JP6964245B2 - Socket and socket assembly - Google Patents

Description

The present invention relates to a socket into which a lamp unit having a base is mounted and a socket assembly including the socket.

A lighting device configured by mounting a lamp unit having a base in a socket is known. As a structure for mounting the lamp unit in the socket, for example, a power supply terminal pin (lamp pin) protruding from the base is inserted into a groove provided in the socket, and the lamp unit is rotated while the power supply is used at the end of the groove. By locking the terminal pins, the support of the lamp unit to the socket and the electrical connection are realized at the same time. For example, Patent Document 1 discloses a socket in which a power supply terminal pin is sandwiched between a pair of terminal portions at the end of a groove so that the lamp unit can be supported and electrically connected to the socket at the same time. ..

International Publication No. 2012/005244

However, in the socket described in Patent Document 1, since the terminal portion has conductivity, the lamp pin comes into contact with the terminal portion even before the power supply terminal pin is locked at the terminal portion of the groove. By doing so, the lamp unit lights up. Therefore, the lamp pin may be used in a state where it is not completely locked at the terminal portion. If the lamp unit is used without being locked, the lamp unit may rotate in the direction opposite to the mounting direction due to vibration or the like and fall from the socket.

Therefore, the present invention provides a socket and a socket assembly that can prevent the lamp unit from falling.

In order to achieve the above object, the socket according to one aspect of the present invention is a socket into which a lamp unit including a lamp pin is mounted, and has a first insertion hole into which the lamp pin can be inserted and one end thereof. A socket body having a through hole formed with a groove narrower than the insertion hole, which is connected to the insertion hole and extends from the insertion hole, and a conductive portion having at least a part arranged near the other end of the groove. It includes a member and a first elastic member arranged in the through hole closer to the one end of the groove than the conductive member.

Further, in order to achieve the above object, the socket assembly according to one aspect of the present invention includes the above socket and an instrument main body that supports the socket.

According to the socket and the socket assembly according to one aspect of the present invention, it is possible to prevent the lamp unit from falling.

It is a perspective view which shows the appearance of the lighting apparatus which concerns on Embodiment 1. FIG. It is an exploded perspective view which shows the structure of the lighting apparatus which concerns on Embodiment 1. FIG. It is a perspective view which shows the connection relationship between the socket and the lamp unit which concerns on Embodiment 1. FIG. It is an exploded perspective view which shows the structure of the socket which concerns on Embodiment 1. FIG. It is a top view which shows the structure of the socket which concerns on Embodiment 1. FIG. It is an enlarged plan view which enlarged the broken line area of FIG. 5A. It is sectional drawing which shows the mode that the lamp pin is inserted into the insertion hole of the socket which concerns on Embodiment 1. FIG. It is a top view which shows the structure of the socket which concerns on Embodiment 2. FIG. It is an enlarged plan view which expanded the broken line area of FIG. 7A. It is a top view which shows how the lamp unit is attached and detached to the socket which concerns on Embodiment 2. FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Each of the embodiments described below shows a specific example of the present invention. Therefore, the numerical values, shapes, materials, components, arrangement of components, connection forms of components, and the like shown in the following embodiments are examples and are not intended to limit the present invention. Therefore, among the components in the following embodiments, the components not described in the independent claims indicating the highest level concept of the present invention will be described as arbitrary components.

Further, the description of "abbreviated **" is intended to include not only a perfect cylindrical shape but also a substantially cylindrical shape when the "substantially cylindrical shape" is taken as an example.

Further, each figure is a schematic view and is not necessarily exactly illustrated. Further, in each figure, substantially the same configuration is designated by the same reference numerals, and duplicate description may be omitted or simplified.

In addition, coordinate axes may be shown in the drawings used for explanation in the following embodiments. The negative side of the Z axis represents the floor surface side, and the positive side of the Z axis represents the ceiling side. Further, the X-axis direction and the Y-axis direction are directions orthogonal to each other on a plane perpendicular to the Z-axis direction. The XY plane is a plane parallel to the socket body included in the socket. For example, in the following embodiments, "planar view" means viewing from the Z-axis direction.

(Embodiment 1)
Hereinafter, the present embodiment will be described with reference to FIGS. 1 to 6.

[1. Lighting device]
FIG. 1 is a perspective view showing the appearance of the lighting device 10 according to the present embodiment. FIG. 2 is an exploded perspective view showing the configuration of the lighting device 10 according to the present embodiment. The lighting device 10 is, for example, a lighting device used indoors. The lighting device 10 is used for, for example, a downlight.

As shown in FIGS. 1 and 2, the lighting device 10 according to the present embodiment includes an instrument main body 20, a cover member 30, a socket 40, and a lamp unit 50.

The instrument body 20 is a member to which the socket 40 can be detachably attached. That is, the instrument body 20 supports the socket 40. The instrument body 20 has a housing 21 and a mounting plate 22. The socket 40 is attached to the instrument body 20 to form the socket assembly 60.

The housing 21 is a member having a substantially cylindrical shape, and houses a mounting plate 22, a terminal block (not shown), and the like.

The mounting plate 22 is a plate-shaped member to which the socket 40 is mounted. A screw hole 22a is formed in the mounting plate 22 at a position corresponding to at least two or more cylindrical portions 47 of the socket 40, and the screw is screwed into the screw hole 22a via the tubular portion 47 to obtain a socket. 40 is attached to the instrument body 20.

The instrument body 20 is made of, for example, a resin material or a metal material.

The cover member 30 is a cover that covers the lamp unit 50 and the like. The cover member 30 has a housing 31 and a cover portion 32.

The housing 31 is a member formed in a substantially cylindrical shape. The housing 31 is made of, for example, a resin material.

The cover portion 32 is formed of a translucent member and transmits the light emitted from the lamp unit 50. The cover portion 32 is attached to the opening on one side of the housing 31. The cover portion 32 may have a function of diffusing the light emitted from the lamp unit 50. For example, by adhering a resin containing a light diffusing material (fine particles) such as silica or calcium carbonate or a white pigment to the inner or outer surface of a cover portion 32 made of transparent glass or resin, milky white light is emitted. A diffusion film is formed on the cover portion 32. Further, the cover portion 32 itself may be molded using a resin material or the like in which the light diffusing material is dispersed.

Further, threads and threads are formed on the outer surface of the housing 31 on the side where the cover portion 32 is not attached, and the inner surface of the instrument body 20 corresponds to the shape of the screws of the housing 31. A screw thread or a screw thread is formed, and the cover member 30 is attached to the instrument main body 20 by screwing both the screw thread and the screw thread. With the cover member 30 attached to the fixture body 20, the housing 31 houses the socket 40 and the lamp unit 50.

The socket 40 is a member that fixes the lamp unit 50 and supplies electric power for the lamp unit 50 to emit light. The socket 40 has a socket body 41 in which a through hole 46 is formed. Other components of the socket 40 will be described later.

FIG. 3 is a perspective view showing the connection relationship between the socket 40 and the lamp unit 50 according to the present embodiment. In FIG. 3, the socket 40 shows only the socket main body 41 among the constituent elements of the socket 40. Further, the socket 40 according to the present embodiment is characterized in that an elastic member 42 is formed in the through hole 46 of the socket body 41. The elastic member 42 will be described later.

As shown in FIG. 3, the lamp unit 50 has a base 53 and a lamp pin 54 on the Z-axis plus side surface of the housing 51.

The lamp pin 54 is a pin for supplying power, which is provided so as to project from the base 53 and receives electric power for causing a light emitting module (not shown) included in the lamp unit 50 to emit light from the outside of the lamp unit 50. The lamp pin 54 receives power from the socket 40 with the lamp unit 50 attached to the socket 40. The lamp pin 54 has a small-diameter portion 54a formed so as to project from the base 53, and a large-diameter portion 54b arranged at the tip of the small-diameter portion 54a and having a diameter larger than that of the small-diameter portion 54a. The lamp pin 54 is a pin whose tip is thicker than the portion between the tip and the base 53. The lamp unit 50 has a GX53 type base structure. In other words, the socket 40 according to the present embodiment is a socket dedicated to the GX53 base.

The lamp unit 50 is fixed to the socket 40 by inserting the large diameter portion 54b of the lamp pin 54 through the through hole 46 and rotating the lamp unit 50 by a predetermined angle. The fixing of the lamp unit 50 will be described later. Further, in the present specification, rotating the lamp unit 50 is intended to rotate the lamp unit 50 in a direction in which the lamp unit 50 is attached to the socket 40, unless otherwise specified.

Further, at least two or more cylindrical portions 47 are formed on the Z-axis plus side surface of the main body portion 45. The tubular portion 47 has a bottom portion in which a screw hole 47b is formed at an end portion on the positive side of the Z axis.

Here, the socket 40 will be described with reference to FIGS. 4 to 5B.

FIG. 4 is an exploded perspective view showing the configuration of the socket 40 according to the present embodiment.

As shown in FIG. 4, the socket 40 is composed of a socket body 41, a conductive member 43, and a housing 44.

The socket body 41 is a flat plate-like member on which each component is arranged. In the present embodiment, the socket body 41 is formed in a substantially disk shape. The socket body 41 is made of an insulating material. The socket body 41 is made of, for example, an insulating resin material. The socket body 41 is formed of, for example, a resin material such as polycarbonate. The socket main body 41 has a main body portion 45 and a cylindrical portion 47.

The main body 45 is a substantially disk-shaped member having a through hole 46 and a through hole 47a to which the tubular portion 47 is connected. In the present embodiment, the conductive member 43 and the housing 44 are arranged on the Z-axis plus side surface of the main body 45. The lamp pin 54 is inserted from the Z-axis minus side of the main body 45.

The tubular portion 47 is formed on the Z-axis plus side surface of the main body portion 45, and is a bottomed tubular member for attaching the socket 40 to the mounting plate 22 of the instrument main body 20. The tubular portion 47 has a bottom portion at the end on the plus side of the Z axis, and a screw hole 47b (see FIG. 3), which is a through hole smaller than the through hole 47a, is formed at the bottom portion. For example, the socket 40 is attached to the instrument body 20 by screwing the mounting plate 22 and the tubular portion 47 with screws penetrating the screw holes 22a and 47b. As a result, the socket assembly 60 (see FIG. 2) in which the mounting plate 22 and the main body 45 are fixed at a predetermined interval is formed. The tubular portion 47 and the main body portion 45 are integrally formed, for example.

The conductive member 43 is a plate-shaped member used for supplying power to the lamp unit 50 and fixing the lamp unit 50. Specifically, when the conductive member 43 and the lamp pin 54 come into contact with each other, electric power for lighting the light emitting module is supplied from the conductive member 43 to the lamp unit 50. Further, the conductive member 43 is a member having an urging force for urging the lamp pin 54. The conductive member 43 fixes the lamp unit 50 to the socket 40 by urging the lamp pin 54 with the urging force. In the present embodiment, the conductive member 43 has a structure having an urging force that pushes the lamp pin 54 located at the other end of the groove 46b against the other end side of the groove 46b.

The conductive member 43 is electrically connected to, for example, a commercial power source (not shown). The conductive member 43 is electrically connected to a commercial power source by being electrically connected to, for example, a terminal block included in the appliance main body 20.

The conductive member 43 is a leaf spring provided upright in a direction substantially orthogonal to the Z-axis plus side surface of the main body 45. Specifically, the conductive member 43 has a mountain-shaped portion 43a in which the vicinity of the substantially center of the flat plate-shaped leaf spring is bent in a mountain shape, and both ends thereof are bent substantially orthogonally, and then a part of the conductive member 43 is further folded back. It has a folded-back portion 43b. For example, when the folded-back portion 43b comes into contact with the inner surface of the housing 44, the movement of the conductive member 43 is restricted.

The conductive member 43 is formed of a conductive material. The conductive member 43 is formed containing, for example, at least one of a copper alloy (for example, phosphor bronze) and a Con Son alloy. As the copper alloy, phosphor bronze specified by C5191 of JIS H 3110, phosphor bronze for springs specified by C5210 of JIS H 3110, and the like are used. The volume resistivity of the conductive member 43 is, for example, 150 nΩ · m or less. More preferably, the volume resistivity of the conductive member 43 is 50 nΩ · m or less. The tensile strength of the conductive member 43 is, for example, about 300 to 900 MPa.

The housing 44 is a bottomed frame-shaped member for regulating the position of the conductive member 43. The housing 44 houses the conductive member 43 in a state of being attached to the socket body 41. The housing 44 restricts the movement of the conductive member 43 by contacting the end portion of the conductive member 43 with the inner surface of the housing 44. Further, the housing 44 covers the through hole 46 in a state of being attached to the socket body 41.

The housing 44 is made of an insulating material. The housing 44 is formed of, for example, an insulating resin material.

With reference to FIGS. 2 and 3 again, the lamp unit 50 is, for example, a light source that emits illumination light. The lamp unit 50 is attached to the socket 40 to receive electric power through the socket 40. The lamp unit 50 is detachably attached to the fixture body 20 via the socket 40.

Although not shown, the lamp unit 50 lights a substrate, a light emitting module having a plurality of semiconductor light emitting elements (for example, an LED element, an EL element, etc.) mounted on the substrate, and the plurality of semiconductor light emitting elements. It is equipped with a drive circuit that generates power for the purpose. When the semiconductor light emitting element is an LED element, the SMD type semiconductor light emitting element may be mounted on the substrate, or the COB type semiconductor light emitting element may be mounted on the substrate. The drive circuit is connected to the lamp pin 54 by a lead wire or the like, and converts the AC power supplied from the socket 40 via the lamp pin 54 into a predetermined DC power for the semiconductor light emitting element to emit light to form a light emitting module. Supply.

The light from the light emitting module passes through the translucent cover portion 52 and is emitted from the lamp unit 50.

Subsequently, the elastic member 42 arranged in the socket main body 41 will be described with reference to FIGS. 5A and 5B.

FIG. 5A is a plan view showing the socket 40 according to the present embodiment. In FIG. 5A, only the socket body 41, the elastic member 42, and the conductive member 43 are shown among the constituent elements constituting the socket 40. Note that FIG. 5A is a plan view of the socket 40 when viewed from the instrument main body 20 side.

As shown in FIG. 5A, the through hole 46 formed in the main body 45 of the socket main body 41 is formed from the insertion hole 46a and the groove 46b. The insertion hole 46a is a hole into which the lamp pin 54 is inserted. That is, the insertion hole 46a is a hole having a size such that the large diameter portion 54b can be inserted in a plan view. The shape of the insertion hole 46a is substantially circular in a plan view. The insertion hole 46a is an example of the first insertion hole.

The groove 46b is a through groove in which the lamp pin 54 moves when the lamp unit 50 is rotated with respect to the socket 40. The groove 46b is a band-shaped through groove having one end connected to the insertion hole 46a and having a width narrower than that of the insertion hole 46a. Specifically, the width of the groove 46b is smaller than the diameter of the insertion hole 46a. More specifically, the width of the groove 46b is larger than the diameter of the small diameter portion 54a of the lamp pin 54 and smaller than the diameter of the large diameter portion 54b. When the lamp pin 54 is located in the groove 46b, the large diameter portion 54b is caught by the edge portion of the groove 46b (in other words, the large diameter portion 54b is supported by the edge portion of the groove 46b), so that the lamp unit 50 Is held in the socket 40. The groove 46b is formed, for example, extending along the arc of the main body 45. The groove 46b may be formed in a straight line, and when the main body 45 has a shape other than a substantially disk shape (for example, a substantially rectangular plate shape), the groove 46b is formed along the outer shape of the main body 45. You may.

Of the two grooves 46b shown in FIG. 5A, the groove 46b shown on the minus side of the X axis will be described as an example. One end of the groove 46b is the end on the plus side of the Y axis, and the other of the grooves 46b. The end is the end on the minus side of the Y-axis.

In this embodiment, two through holes 46 are provided in the main body 45, but the present invention is not limited to this. The main body 45 is formed with the same number of through holes 46 as the number of lamp pins 54 formed in the lamp unit 50.

The elastic member 42 is a member that prevents the lamp pin 54 inserted through the insertion hole 46a from coming off the through hole 46, that is, the lamp unit 50 from falling from the socket 40. The elastic member 42 is arranged on one end side of the groove 46b from the conductive member 43 in the through hole 46, and is said to be said when the lamp pin 54 is inserted into the insertion hole 46a or when the lamp pin 54 is moved along the groove 46b. It has a function of hindering the movement of the lamp pin 54. The elastic member 42 is formed so that the width of the through hole 46 is smaller than that of the large diameter portion 54b, for example, to prevent the lamp pin 54 from coming off the through hole 46.

In the present embodiment, the elastic member 42 is formed so that at least a part thereof protrudes into the insertion hole 46a in a plan view. That is, at least a part of the elastic member 42 is arranged so as to overlap the insertion hole 46a in the plan view of the socket body 41.

Here, the elastic member 42 will be described with reference to FIG. 5B.

FIG. 5B is an enlarged plan view of the broken line region of FIG. 5A. In FIG. 5B, the lamp pin 54 inserted into the insertion hole 46a is also shown. Note that FIG. 5B is a plan view of the socket 40 when viewed from the lamp unit 50 side in order to show how the lamp pin 54 is supported by the elastic member 42.

As shown in FIG. 5B, the elastic member 42 is formed so as to extend to a position where it comes into contact with the large diameter portion 54b of the lamp pin 54. That is, the elastic member 42 covers a part of the insertion hole 46a. The elastic member 42 may be formed so as to extend to a position where it comes into contact with the large-diameter portion 54b of the lamp pin 54 and does not come into contact with the small-diameter portion 54a. The elastic member 42 narrows the width (for example, diameter) of the insertion hole 46a. As a result, when the lamp pin 54 is inserted into the insertion hole 46a, the large diameter portion 54b comes into contact with the elastic member 42. In other words, the elastic member 42 is arranged so as to come into contact with the large diameter portion 54b when the lamp pin 54 is inserted into the insertion hole 46a. Then, the elastic member 42 comes into contact with the large-diameter portion 54b and is pushed by the large-diameter portion 54b in a direction parallel to the insertion direction of the lamp pin 54 (in FIG. 5B, it is the axial direction of the insertion hole 46a and Z. Elastically deforms in the direction parallel to the axis). In other words, the elastic member 42 has a structure that can be elastically deformed in a direction parallel to the insertion direction when the lamp pin 54 is inserted into the insertion hole 46a.

In the present embodiment, the elastic member 42 is integrally formed with the main body 45 of the socket main body 41. Specifically, the main body 45 of the socket main body 41 is formed with a pair of slits 48 communicating with the insertion hole 46a when the socket main body 41 is viewed in a plan view. That is, one end of the slit 48 (in FIG. 5B, the end on the minus side of the X-axis) is connected to the insertion hole 46a. The elastic member 42 is formed including a portion of the main body portion 45 of the socket main body 41 sandwiched between a pair of slits 48. FIG. 5B shows an example in which two slits 48 formed substantially parallel to each other are formed in a plan view. The slits 48 are not limited to being formed substantially parallel to each other. The two slits 48 may be formed, for example, with one slit 48 tilted at a predetermined angle with respect to the other slit 48.

The elastic member 42 formed in this way has a fixed end 42a in which a portion corresponding to the other end of the slit 48 (the end on the plus side of the X axis in FIG. 5B) is connected to the socket body 41, and the other end. Is a flat plate-like member having a free end 42b that can be elastically deformed in contact with the lamp pin 54. The elastic member 42 has, for example, a substantially rectangular shape in a plan view. The free end 42b has an arc shape protruding toward the insertion hole 46a.

The width (length on the Y-axis direction side in FIG. 5B) and length (length on the X-axis direction side in FIG. 5B) of the slit 48 are not particularly limited. The width of the slit 48 is, for example, narrower than the width of the groove 46b (the length in the X-axis direction in FIG. 5B).

The elastic member 42 is made of a resin material such as polycarbonate.

The position where the elastic member 42 is arranged is not limited to the position shown in FIG. 5B. The elastic member 42 may be formed around the insertion hole 46a. In other words, the pair of slits 48 may be formed so as to communicate with the insertion hole 46a. Further, the elastic member 42 is not limited to being integrally formed with the socket body 41. The elastic member 42 is a plate-shaped member formed separately from the socket main body 41, and the elastic member 42 is formed by fixing the member to the socket main body 41 so as to be elastically deformable in the insertion direction of the lamp pin 54. May be done. In that case, the elastic member 42 may be made of a resin material or a metal material. When the elastic member 42 is made of a metal material, the elastic member 42 is not used for supplying electric power to the lamp unit 50. In other words, the elastic member 42 is not electrically connected to the commercial power source.

With reference to FIGS. 5A and 5B, the conductive member 43 is arranged at a position where at least a part of the conductive member 43 overlaps the groove 46b in a plan view. The conductive member 43 is arranged so as to be retractable so as to narrow the width of the groove 46b in a plan view, for example. In the present embodiment, a part of the mountain-shaped portion 43a is arranged so as to overlap the groove 46b. The mountain-shaped portion 43a overlaps the groove 46b between one end and the other end of the groove 46b. Further, in the plan view of the conductive member 43, the portion of the mountain-shaped portion 43a that overlaps the groove 46b is arranged on the other end side of the groove 46b from the elastic member 42.

In the conductive member 43, with the lamp pin 54 inserted into the insertion hole 46a, the lamp unit 50 is rotated with respect to the socket 40 to move the lamp pin 54 to the other end of the groove 46b, and the lamp pin 54 is moved to the other end side of the groove 46b. Push each other. The conductive member 43 fixes the lamp unit 50 to the socket 40 by pressing the lamp pin 54 against the other end side of the groove 46b, and supplies electric power to the lamp unit 50 by coming into contact with the lamp pin 54.

In the state where the conductive member 43 is arranged in the socket body 41, the mountain-shaped portion 43a is bent from one of the width directions of the groove 46b (in FIG. 5A, a direction substantially parallel to the X axis) toward the other. Has a shape. That is, the mountain-shaped portion 43a has a shape in which the lamp pin 54 is bent in a direction substantially orthogonal to the direction in which the ramp pin 54 moves in the groove 46b. Explaining the conductive member 43 arranged on the minus side of the X axis as an example of the two conductive members 43 shown in FIG. 5A, the mountain-shaped portion 43a is bent in the direction from the minus side of the X axis toward the plus side of the X axis. ing. The top of the mountain-shaped portion 43a has a curved shape.

[2. Installation]
Subsequently, a state in which the lamp pin 54 is inserted into the insertion hole 46a in the attachment of the lamp unit 50 to the socket 40 will be described with reference to FIG.

FIG. 6 is a cross-sectional view showing how the lamp pin 54 is inserted into the insertion hole 46a of the socket 40 according to the present embodiment. Note that FIG. 6 is a cross-sectional view of the socket 40 according to the present embodiment in the VI-VI line shown in FIG. 5B.

FIG. 6A is a plan view showing a state before the lamp pin 54 is inserted into the insertion hole 46a of the socket 40 according to the present embodiment.

As shown in FIG. 6A, the elastic member 42 is formed so that the width of the insertion hole 46a (the length between the main body 45 and the elastic member 42 shown in FIG. 6A). Is smaller than the diameter of the large diameter portion 54b and larger than the diameter of the small diameter portion 54a. Further, in the present embodiment, the main body portion 45 and the elastic member 42 are formed on the same plane.

FIG. 6B is a diagram showing how the lamp pin 54 is inserted into the insertion hole 46a.

As shown in FIG. 6B, since the width of the insertion hole 46a is smaller than the width of the large diameter portion 54b, at least a part of the large diameter portion 54b is inserted while being in contact with the elastic member 42. As a result, the elastic member 42 is pushed up by the lamp pin 54, so that the elastic member 42 is elastically deformed along the insertion direction of the lamp pin 54 as shown in FIG. 6B.

The main body 45 does not substantially elastically deform even when pushed up by the lamp pin 54. For example, the edge of the insertion hole 46a is not elastically deformed.

FIG. 6C is a diagram showing a state in which the lamp pin 54 is further inserted into the insertion hole 46a from the state shown in FIG. 6B. Specifically, it is a figure which shows the state in which the lamp pin 54 was inserted into the insertion hole 46a until the large diameter part 54b became a position higher than the main body part 45.

As shown in FIG. 6C, the amount of deformation of the elastic member 42 is increased by further inserting the lamp pin 54. Further, as the lamp pin 54 is inserted into the insertion hole 46a, the lamp pin 54 gradually comes into contact with the tip end portion of the elastic member 42. Then, when the contact with the lamp pin 54 is released, the elastic member 42 returns to the initial state shown in FIG. 6A due to the elastic force.

FIG. 6D is a diagram showing a state in which the lamp pin 54 is inserted into the insertion hole 46a and supported by the elastic member 42.

As shown in FIG. 6D, the lamp unit 50 is supported by at least one of the main body 45 and the elastic member 42 in a state where the lamp pin 54 is inserted into the insertion hole 46a. FIG. 6D shows an example in which the lamp unit 50 is supported by the main body 45 and the elastic member 42. Specifically, the lamp unit 50 is supported by the socket 40 by hooking the large diameter portion 54b on the edges of the main body portion 45 and the elastic member 42. As a result, when the lamp pin 54 is located in the insertion hole 46a, it is possible to prevent the lamp unit 50 from being disengaged from the socket 40 due to the weight of the lamp unit 50 itself. In other words, the elastic member 42 can prevent the lamp unit 50 from falling due to its own weight by locking the lamp pin 54 in the insertion hole 46a. The elastic force of the elastic member 42 is stronger than the own weight of the lamp unit 50, for example.

After the lamp pin 54 is inserted into the insertion hole 46a, the lamp pin 54 moves the groove 46b toward the other end of the groove 46b by rotating the lamp unit 50 with respect to the socket 40. Then, the lamp unit 50 is fixed and fed by the conductive member 43 at the other end of the groove 46b.

Further, since the width of the insertion hole 46a is wider than the width of the small diameter portion 54a even when the elastic member 42 is formed, the elastic member 42 has the elastic member 42 after the lamp pin 54 is inserted into the insertion hole 46a. It does not affect the movement of the ramp pin 54.

Here, the case where the lamp unit 50 is not completely fixed to the elastic member 42 (for example, the lamp unit 50 is not rotated with respect to the socket 40 until the lamp pin 54 is located at the other end of the groove 46b). ,explain. In this case, the lamp unit 50 may rotate in the direction in which the lamp unit 50 is removed due to vibration or the like.

In the case of a conventional socket not provided with the elastic member 42, there is a risk that the lamp unit 50 will come off the socket 40 and fall because the lamp pin 54 is rotated until it is located in the insertion hole 46a. On the other hand, in the socket 40 according to the present embodiment, even when the lamp pin 54 is rotated until it is located at the insertion hole 46a, the lamp pin 54 is supported by the main body 45 and the elastic member 42, so that the lamp unit It is possible to prevent the 50 from falling due to its own weight.

When removing the lamp unit 50 from the socket 40, after moving the lamp pin 54 to the position of the insertion hole 46a, the lamp unit 50 is moved in the opposite direction (for example, the Z-axis minus direction) when the lamp pin 54 is inserted. It can be removed from the socket 40 by pulling. At this time, the elastic member 42 is elastically deformed along the direction opposite to that when the lamp pin 54 is inserted, and after the lamp unit 50 is removed, the elastic member 42 returns to the initial state shown in FIG. 6A.

[3. Effect etc.]
As described above, the socket 40 according to one aspect of the present embodiment is the socket 40 in which the lamp unit 50 including the lamp pin 54 is mounted, and has an insertion hole 46a into which the lamp pin 54 can be inserted and an insertion hole at one end. A socket body 41 having a through hole 46 formed with a groove 46b connected to 46a and extending from the insertion hole 46a and having a width narrower than the insertion hole 46a, and at least a part thereof are arranged near the other end of the groove 46b. The conductive member 43 and the elastic member 42 arranged in the through hole 46 closer to one end of the groove 46b than the conductive member 43 are provided.

As a result, when the lamp pin 54 that has been in contact with the conductive member 43 moves to the insertion hole 46a side due to vibration or the like, the elastic member 42 comes into contact with the lamp pin 54, so that the movement can be suppressed. For example, when the elastic member 42 is formed in the groove 46b, it is possible to prevent the lamp pin 54 from moving toward the insertion hole 46a. Therefore, the socket 40 according to the present embodiment can prevent the lamp unit 50 from falling.

Further, the elastic member 42 is deformed in the axial direction of the insertion hole 46a and covers a part of the insertion hole 46a.

As a result, when the lamp pin 54 is inserted into the insertion hole 46a, the large diameter portion 54b is caught by the elastic member 42, so that the lamp unit 50 falls by its own weight when the lamp pin 54 is located in the insertion hole 46a due to vibration or the like. Can be suppressed. Therefore, by forming the elastic member 42 in the insertion hole 46a, it is possible to prevent the lamp unit 50 from falling. Since the elastic member 42 elastically deforms in the insertion direction of the lamp pin 54, the user pushes the lamp unit 50 toward the insertion hole 46a or pulls the lamp unit 50 to attach and detach the lamp unit 50. be able to.

Further, the socket body 41 has a flat plate shape and has a pair of slits 48 communicating with the insertion hole 46a when the socket body 41 is viewed in a plan view, and the elastic member 42 has a pair of slits 48 in the socket body 41. Includes the part sandwiched between.

As a result, it is possible to realize an elastic member 42 capable of suppressing the fall of the lamp unit 50 with a simple structure such as forming a slit 48 in the socket body 41. Further, since the elastic member 42 and the socket body 41 can be integrally formed, the manufacturing time can be shortened and the number of parts can be reduced.

Further, the shape of the socket body 41 is substantially a disk shape, and the groove 46b extends along the arc of the socket body 41.

Thereby, even when the lamp unit 50 is rotated and attached to the socket, the socket 40 according to the present embodiment can be applied. That is, in the socket 40 to which the lamp unit 50 is rotated and attached, the lamp unit 50 can be suppressed from falling.

Further, as described above, the socket assembly 60 according to one aspect of the present embodiment includes a socket 40 and an instrument main body 20 that supports the socket 40.

Thereby, the socket assembly 60 in which the lamp unit 50 is suppressed from falling can be realized.

(Embodiment 2)
When removing the lamp unit 50 attached to the socket assembly 60 fixed to a construction material such as a ceiling, the lamp unit 50 may not be grasped. For example, there is a case where a reflector (not shown) or the like is arranged around the lamp unit 50, and the gap between the reflector and the lamp unit 50 is narrow. In this case, when the lamp unit 50 is removed from the socket, the lamp unit 50 is difficult to pull, so that it may be difficult to remove the lamp unit 50. Therefore, in the present embodiment, even if the lighting device 10 has a structure in which the lamp unit 50 cannot be grasped, the lamp unit 50 is prevented from falling and the lamp unit 50 can be easily removed from the socket 40. Will be described.

Hereinafter, the present embodiment will be described with reference to FIGS. 7A to 8. Since the structure of the elastic member of the socket according to the present embodiment is mainly different from that of the first embodiment, the differences will be mainly described, and the description of substantially the same configuration will be omitted or simplified. May be done.

FIG. 7A is a plan view showing the configuration of the socket according to the present embodiment. Note that FIG. 7A is a plan view of the socket body 141 as viewed from the Z-axis minus side.

As shown in FIG. 7A, the socket body 141 according to the present embodiment includes two elastic members 142 and 149 and a conductive member 143. Further, a through hole 146 is formed in the main body portion 145 of the socket main body 141. The conductive member 143 is the same as the conductive member 43 according to the first embodiment, and the description thereof will be omitted.

First, the through hole 146 will be described. The through hole 146 is a through hole formed by extending along an arc of a substantially disk-shaped socket body 141. The through hole 146 is formed from the insertion hole 146a, the groove portion 146b, the insertion hole 146c, and the groove portion 146d. Grooves are formed by the grooves 146b and 146d. Although an example in which the insertion hole 146c is formed will be described below, the insertion hole 146c may not be formed. That is, the groove portions 146b and 146d may be continuously formed. In other words, the through hole 146 may be formed of the insertion hole 146a and the groove having the groove portions 146b and 146d.

The insertion hole 146a is a hole having a size into which the large diameter portion 54b can be inserted. In the present embodiment, no elastic member is formed in the insertion hole 146a. The insertion hole 146a is an example of the first insertion hole.

One end of the groove portion 146b is connected to the insertion hole 146a, and the other end is connected to the insertion hole 146c. The groove portion 146b is a through groove extending along an arc from the insertion hole 146a to the insertion hole 146c. The width of the groove portion 146b is the same as that of the groove 46b of the first embodiment.

The insertion hole 146c is a hole connected to the other end of the groove portion 146b and into which a large diameter portion 54b can be inserted. The insertion hole 146c is formed in the groove (groove portions 146b and 146d) between the elastic member 149 and the conductive member 143, which will be described later. The insertion hole 146c is, for example, a hole having a size substantially equal to that of the insertion hole 146a. The insertion hole 146c is an example of the second insertion hole.

The groove portion 146d is a through groove having one end connected to the insertion hole 146c and extending along the arc of the socket body 141. The groove portion 146d is formed, for example, with a width substantially equal to that of the groove portion 146b.

Next, the elastic member 149 will be described with reference to FIG. 7B.

FIG. 7B is an enlarged plan view of the broken line region of FIG. 7A.

The elastic member 149 is a member that prevents the lamp pin 54 inserted from the insertion hole 146a or 146c from coming off the through hole 146, that is, the lamp unit 50 from falling from the socket. The elastic member 149 has a function of hindering the movement of the lamp pin 54 inserted into the insertion hole 146a when the lamp pin 54 moves along the groove (for example, the groove portion 146b). The elastic member 149 is formed so that the width of the groove portion 146b is smaller than that of the small diameter portion 54a, for example, to prevent the lamp pin 54 from coming off the through hole 146. In the present embodiment, the elastic member 149 is formed so that at least a part thereof protrudes into the groove portion 146b in a plan view. That is, at least a part of the elastic member 149 is arranged so as to overlap the groove portion 146b in a plan view. The elastic member 149 is an example of the first elastic member.

The elastic member 149 is formed so as to project in a direction crossing the groove portion 146b in a plan view. The elastic member 149 is formed, for example, extending to a position where the lamp pin 54 comes into contact with the small diameter portion 54a or the large diameter portion 54b. In the present embodiment, the elastic member 149 is formed so as to extend to a position where it comes into contact with the small diameter portion 54a. That is, the elastic member 149 covers a part of the groove portion 146b. As a result, when the lamp pin 54 moves through the groove portion 146b, the small diameter portion 54a comes into contact with the elastic member 149. In other words, the elastic member 149 is formed so as to come into contact with the small diameter portion 54a when the lamp pin 54 moves along the groove portion 146b. Then, the elastic member 149 comes into contact with the small diameter portion 54a and is pushed by the small diameter portion 54a to elastically deform in a direction parallel to the moving direction of the lamp pin 54 (in FIG. 7A, a direction along an arc). The elastic member 149 has a structure that can be elastically deformed in a direction parallel to the moving direction when the lamp pin 54 moves in the groove. The moving direction of the lamp pin 54 is the direction in which the groove extends.

In the present embodiment, the elastic member 149 is integrally formed with the main body portion 145 of the socket main body 141. Specifically, the main body 145 of the socket main body 141 is formed with a pair of slits 150 communicating with the groove portion 146b when the socket main body 141 is viewed in a plan view. That is, one end of the slit 150 (in FIG. 7B, the end on the plus side of the X-axis) is connected to the groove portion 146b. The elastic member 149 is formed including a portion of the main body portion 145 of the socket main body 141 sandwiched between the pair of slits 150. The elastic member 149 and the main body 145 are formed on the same plane.

The interval at which the pair of slits 150 are formed (that is, the width of the elastic member 149) is smaller than the interval at which the pair of slits 148 are formed, for example. In other words, the width of the elastic member 149 is smaller than the width of the elastic member 142. The slits 150 are not limited to being formed substantially parallel to each other in a plan view. Further, the thickness of the elastic member 149 (that is, the length in the Z-axis direction) is longer than the width of the elastic member 149.

The elastic member 149 formed in this way has a fixed end 149a in which a portion corresponding to the other end of the slit 150 (the end on the minus side of the X axis in FIG. 7B) is connected to the socket body 141, and the other end. Is a flat plate-like member having a free end 149b that can be elastically deformed in contact with the lamp pin 54. The elastic member 149 has, for example, a substantially rectangular shape in a plan view, and a part of the elastic member 149 on the free end 149b side protrudes into the groove portion 146b in a plan view. The end of the elastic member 149 on the free end 149b side may have a substantially arcuate shape in a plan view. The length of the elastic member 149 (the length on the X-axis direction side) is, for example, longer than the width of the groove portion 146b. The length of the elastic member 149 may be longer than the diameter of the insertion hole 146a, for example.

The elastic member 149 is made of a resin material such as polycarbonate.

The position where the elastic member 149 is arranged is not limited to the position shown in FIGS. 7A and 7B. The elastic member 149 may be arranged in the through hole 146 on one end side (for example, the insertion hole 146a side) of the groove from the conductive member 143. Further, the elastic member 149 is not limited to being integrally formed with the socket body 141. The elastic member 149 is a plate-shaped or rod-shaped member formed separately from the socket main body 141, and is elastic by fixing the member to the socket main body 141 so that the member can be elastically deformed in the moving direction of the lamp pin 54 in the groove. Member 149 may be formed. In that case, the elastic member 149 may be made of a resin material or a metal material. When the elastic member 149 is made of a metal material, the elastic member 149 is not used for supplying electric power to the lamp unit 50. In other words, the elastic member 149 is not electrically connected to the commercial power source.

The elastic member 149 is elastically deformed when a force sufficient to intentionally rotate the lamp unit 50 by the user is applied, and the elastic member 149 is substantially subjected to rotation of the lamp unit 50 that is not intended by the user, such as rotation due to vibration or the like. It has an elastic force that does not elastically deform. The term "substantially not elastically deformed" includes that the lamp pin 54 is deformed to such an extent that it does not move toward the insertion hole 146a from the elastic member 149.

The elastic member 142 has a structure in which the width of the insertion hole 146c is narrowed by being formed so as to extend to a position in contact with the large diameter portion 54b in the insertion hole 146c, and the elastic member 142 can be elastically deformed in the insertion direction of the lamp pin 54. The elastic member 142 has the same configuration as the elastic member 42 of the first embodiment, and the description thereof will be simplified. The elastic member 142 is an example of the second elastic member.

The elastic member 142 is integrally formed with the main body portion 145 of the socket main body 141. Specifically, the main body 145 of the socket main body 141 is formed with a pair of slits 148 communicating with the insertion hole 146c when the socket main body 141 is viewed in a plan view. That is, one end of the slit 148 is connected to the insertion hole 146c. The elastic member 142 is formed including a portion of the main body portion 145 of the socket main body 141 sandwiched between a pair of slits 148. The elastic member 142 and the main body 145 are formed on the same plane.

The elastic member 142 configured in this way has a function of hindering the movement of the lamp pin 54 when the lamp pin 54 is inserted through the insertion hole 146c. Specifically, when the lamp pin 54 is inserted through the insertion hole 146c, the elastic member 142 comes into contact with the large diameter portion 54b and is pushed by the large diameter portion 54b, so that the elastic member 142 is parallel to the insertion direction of the lamp pin 54. It elastically deforms in the direction (in FIG. 7B, the direction parallel to the Z axis). In other words, the elastic member 142 has a structure that can be elastically deformed in a direction parallel to the insertion direction when the lamp pin 54 is inserted into the insertion hole 146c.

Further, FIG. 7B also shows a lamp pin 54 in contact with the elastic member 149. The lamp unit 50 attached to the socket moves in the direction of removing the lamp unit 50 due to vibration or the like, so that the lamp pin 54 is in contact with the elastic member 149. In addition, it is assumed that the lamp unit 50 is used in a state where it is not completely fixed to the socket when it moves by vibration.

When the lamp unit 50 rotates in the removing direction, the lamp pin 54 comes into contact with the elastic member 149 as shown in FIG. 7B. The elastic member 149 comes into contact with the lamp pin 54 to prevent the lamp pin 54 from moving toward the insertion hole 146a. In the present embodiment, the elastic member 149 comes into contact with the small diameter portion 54a to suppress the movement of the lamp pin 54. Therefore, the socket according to the present embodiment can prevent the lamp pin 54 from moving toward the insertion hole 146a from the position where the lamp pin 54 comes into contact with the elastic member 149 due to vibration or the like. In other words, the elastic member 149 can prevent the lamp unit 50 from falling by locking the lamp pin 54 in the groove portion 146b.

Subsequently, the state of attachment / detachment of the lamp unit 50 to the socket will be described with reference to FIG.

FIG. 8 is a plan view showing how the lamp unit 50 is attached to and detached from the socket according to the present embodiment. Specifically, FIG. 8 shows the positional relationship between the socket and the lamp pin 54. Note that FIG. 8 is a plan view showing an enlarged broken line region shown in FIG. 7A.

FIG. 8A is a plan view showing how the lamp pin 54 is inserted into the insertion hole 146c.

As shown in FIG. 8A, the width of the insertion hole 146c is smaller than the small diameter portion 54a and larger than the large diameter portion 54b. The surface on the minus side of the Z axis is hooked on at least one of the main body portion 145 and the edge portion of the elastic member 142. As a result, the lamp unit 50 is supported by the socket. Therefore, when the lamp pin 54 is located in the insertion hole 146c, it is possible to prevent the lamp unit 50 from coming off the socket due to the weight of the lamp unit 50 itself. If the insertion hole 146c is not formed, the lamp pin 54 is inserted through the insertion hole 146a.

FIG. 8B is a plan view showing a state in which the lamp pin 54 is fixed by the conductive member 143 at the other end of the groove portion 146d.

As shown in FIG. 8B, the distance from the insertion hole 146c to the other end of the groove portion 146d is shorter than the distance between the insertion hole 146a and the other end of the groove portion 146d. Further, an elastic member 149 that hinders the movement of the lamp pin 54 is not formed between the insertion hole 146c and the other end of the groove portion 146d. Therefore, the lamp unit 50 can be easily attached to the socket by inserting the lamp pin 54 through the insertion hole 146c. That is, the lamp unit 50 can be easily fixed to the socket and can be turned on by receiving power supply. This completes the installation of the lamp unit 50.

Subsequently, the removal of the lamp unit 50 will be described.

FIG. 8C is a plan view showing a state in which the lamp unit 50 is rotated in the direction opposite to that when the lamp unit 50 is attached for removal. Specifically, it is a figure which shows the time when the lamp unit 50 is rotated in the opposite direction, and the lamp pin 54 is located at the elastic member 142.

As shown in FIG. 8C, the lamp pin 54 is caught by, for example, the elastic member 142 at the position of the insertion hole 146c, so that the lamp unit 50 does not fall by its own weight. In other words, the elastic member 142 can prevent the lamp unit 50 from falling due to its own weight by locking the lamp pin 54 in the insertion hole 146c. If the lamp unit 50 cannot be grasped, it is difficult to pull the lamp unit 50 to elastically deform the elastic member 142 and remove it. Therefore, the lamp unit 50 is further rotated toward the insertion hole 146a. When the lamp unit 50 cannot be grasped, it is easier to rotate the lamp unit 50 than to pull the lamp unit 50.

FIG. 8D is a plan view showing a state in which the elastic member 149 is elastically deformed along the groove portion 146b when the lamp pin 54 pushes the elastic member 149.

As shown in FIG. 8D, the elastic member 149 is elastically deformed when the user rotates the lamp unit 50 in the direction of removing the lamp unit 50.

FIG. 8 (e) is a diagram showing a state in which the lamp unit 50 is further rotated in the removing direction and the lamp pin 54 reaches the insertion hole 146a.

As shown in FIG. 8 (e), since no elastic member is formed in the insertion hole 146a, the lamp unit 50 can be removed from the socket by its own weight when the lamp pin 54 reaches the position of the insertion hole 146a. That is, the insertion hole 146a also functions as an removal hole for removing the lamp unit 50 from the socket.

As described above, the insertion hole 146c is used when the lamp unit 50 is attached to the socket, and the insertion hole 146a is used when the lamp unit 50 is removed from the socket, so that the lamp unit 50 cannot be grasped even if the lamp unit 50 cannot be grasped. The lamp unit 50 can be easily attached and detached.

As described above, the elastic member 149 of the socket according to one aspect of the present embodiment has a structure in which the groove portion 146b protrudes in the direction across the groove portion 146b and is elastically deformable in the direction in which the groove portion 146b extends.

As a result, when the lamp unit 50 attached to the socket moves in the direction of removing the lamp unit 50 due to vibration or the like, the lamp pin 54 comes into contact with the elastic member 149 formed in the groove portion 146b, so that the movement is suppressed. Will be done. Further, since the elastic member 149 is elastically deformed in the direction in which the groove portion 146b extends (that is, the direction in which the lamp pin 54 moves in the groove portion 146b), the user inserts the lamp unit 50 into the insertion hole 146a and then moves the lamp unit 50 (that is, the lamp unit 50 is moved. For example, the lamp unit 50 can be attached and detached by rotating the lamp unit 50.

Further, the socket body 141 has a flat plate shape and has a pair of slits 150 communicating with the groove portion 146b when the socket body 141 is viewed in a plan view, and the elastic member 149 is a pair of slits 150 of the socket body 141. Including the sandwiched part.

As a result, it is possible to form the elastic member 149 capable of suppressing the drop of the lamp unit 50 with a simple structure such as forming the slit 150 in the socket body 141. Further, since the elastic member 149 and the socket body 141 can be integrally formed, the manufacturing time can be shortened and the number of parts can be reduced.

Further, in the grooves (grooves 146b and 146d), the insertion hole 146c, which is arranged between the elastic member 149 and the conductive member 143 and into which the large diameter portion 54b of the lamp pin 54 can be inserted, and the lamp pin 54 in the insertion hole 146c. The width of the insertion hole 146c is narrowed by being formed so as to extend to a position where it comes into contact with the large diameter portion 54b, and an elastic member 142 that can be elastically deformed in the insertion direction of the lamp pin 54 is provided.

As a result, when the lamp unit 50 is attached to the socket, the lamp pin 54 is inserted through the insertion hole 146c, so that the distance that the lamp pin 54 moves through the groove becomes smaller than when the lamp pin 54 is inserted through the insertion hole 146a. Further, when the lamp pin 54 is inserted through the insertion hole 146a, the elastic member 149 needs to be elastically deformed, but when the lamp pin 54 is inserted through the insertion hole 146c, the lamp pin 54 is inserted into the other end of the groove portion 146d without contacting the elastic member 149. Can be moved. Therefore, in the socket according to the present embodiment, the lamp unit 50 can be easily attached, and the lamp unit 50 can be prevented from falling.

(Other embodiments)
Although the socket and the socket assembly have been described above based on the embodiment, the present invention is not limited to this embodiment. As long as it does not deviate from the gist of the present invention, a form in which various modifications conceived by those skilled in the art are applied to the present embodiment and a form constructed by combining components in different embodiments are also included in the scope of the present invention.

For example, in the above embodiment, the lighting device including the socket has been described as an example of a lighting device used indoors, but the present invention is not limited thereto.

Further, in the above embodiment, the case where the lamp unit is rotated and attached to the socket has been described, but the present invention is not limited to this. For example, the socket according to the above embodiment can be applied even when the lamp unit is slid with respect to the socket in a predetermined direction and attached. In that case, the groove formed in the socket is formed linearly in a predetermined direction. Further, the shape of the socket body may be substantially rectangular rather than substantially disk-shaped.

Further, in the above embodiment, the example in which the lamp pin has a shape having a large diameter portion and a small diameter portion has been described, but the shape is not limited to the shape of the lamp pin. The shape of the lamp pin may be substantially L-shaped or may be any other shape.

Further, in the above embodiment, an example in which one elastic member is formed in the insertion hole or the groove has been described, but the present invention is not limited to this. A plurality of elastic members may be formed in the insertion hole or the groove. Explaining the first embodiment as an example, two pairs of slits communicating with the insertion hole may be formed.

20 Instrument body 40 Socket 41, 141 Socket body 42, 149 Elastic member (first elastic member)
43, 143 Conductive member 46, 146 Through hole 46a, 146a Insert hole (first insertion hole)
46b Groove 48, 148, 150 Slit 50 Lamp unit 54 Lamp pin 60 Socket assembly 142 Elastic member (second elastic member)
146c insertion hole (second insertion hole)

Claims (8)

A socket in which a lamp unit equipped with a lamp pin is mounted.
A through hole having a first insertion hole into which the lamp pin can be inserted and a groove having one end connected to the first insertion hole and extending from the insertion hole and narrower than the insertion hole was formed. With the socket body
With a conductive member whose at least part is arranged near the other end of the groove,
A socket including a first elastic member arranged in the through hole closer to the one end of the groove than the conductive member. The socket according to claim 1, wherein the first elastic member is deformed in the axial direction of the first insertion hole and covers a part of the first insertion hole. The socket body has a flat plate shape, and has a pair of slits communicating with the first insertion hole when the socket body is viewed in a plan view.
The socket according to claim 2, wherein the first elastic member includes a portion of the socket body sandwiched between the pair of slits. The socket according to claim 1, wherein the first elastic member has a structure in which the groove projects in a direction crossing the groove and is elastically deformable in a direction in which the groove extends. The socket body has a flat plate shape, and has a pair of slits communicating with the groove when the socket body is viewed in a plan view.
The socket according to claim 4, wherein the first elastic member includes a portion of the socket body sandwiched between the pair of slits. Further, in the groove, a second insertion hole arranged between the first elastic member and the conductive member and into which the lamp pin can be inserted,
The socket according to claim 4 or 5, further comprising a second elastic member formed in the second insertion hole so as to extend to a position in contact with the lamp pin and elastically deformable in the insertion direction of the lamp pin. The shape of the socket body is substantially a disk shape,
The socket according to any one of claims 1 to 6, wherein the groove extends along an arc of the socket body. The socket according to any one of claims 1 to 7.
A socket assembly with an instrument body that supports the socket.

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