JP3046867B2 - Socket for single base lamp - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a socket for a one-base lamp.

[0002]

2. Description of the Related Art In a single-cap lamp, since the cap is located on one side of a glass tube, it is general to rotate the lamp when attaching and detaching the lamp to improve operability. For this reason, it is necessary that the single-cap lamp socket has a rotatable cap accommodating section, and that the cap accommodating section is held at an easy-to-insert angle when the lamp is removed, so that the lamp can be easily inserted. is there.

In a conventional example, for example, Japanese Utility Model Application Laid-Open No. 2-49089, a spring is housed in a socket for a single base lamp, and a base is urged so as to maintain an angle at which the lamp can be easily inserted.

[0004]

However, this one-base lamp socket has disadvantages in that the number of parts is increased due to the use of a spring, and that it is not suitable for automation because it is entangled. In addition, there is a drawback in that the cap housing is inclined and difficult to align when packing, and there is no feeling of operation of the cap housing when attaching / detaching the lamp.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a single-cap lamp socket which can hold a cap accommodating portion in a lamp mounting / removing posture without requiring a spring, can be easily aligned in a package or the like, and has a feeling of lamp mounting / removal. To provide.

[0006]

According to the present invention, there is provided a one-base lamp socket for mounting a one-base lamp having a base provided with protrusions at both ends in a longitudinal direction and a base pin protruding from a bottom surface. A base accommodating part having a container for accommodating the base, forming a recess for inserting the projection on a peripheral wall of the container, and providing a rotational connection part in the container; A connection receiving portion for rotatably connecting the base housing portion, and a mounting posture support wall for restricting the base housing portion to a mounting posture by contacting the peripheral wall portion by one-way rotation of the base housing portion, The protrusion of the base accommodated in the base accommodating portion is retained and locked in the mounting posture of the base accommodating portion, and the projection is releasable in the lamp attaching / detaching posture rotated in the other direction of the base accommodating portion. A mounting portion having a stopper, wherein the mounting state of the base housing portion is provided. In a one-base lamp socket provided on one of the base housing portion and the mounting portion, a contact piece with which the base pin of the base base lamp comes into contact protrudes in the axial direction of the rotation connection portion of the base housing portion. A locking piece is provided on the base accommodating portion, and a first convex rib for locking the locking piece so as to be able to climb over and restricting the base accommodating portion from rotating from the mounting position to the lamp attaching / detaching position is provided. A second convex rib having the mounting portion, the locking piece being locked so as to be able to climb over the second convex rib for restricting the base housing from rotating from the lamp attaching / detaching position to the opposite side to the mounting position. It is characterized by being arranged in parallel with the first convex rib.

[0007]

According to the structure of the present invention, the one-base lamp is inserted while the base is held in the lamp mounting / removing posture in which the locking piece is located between the first convex rib and the second convex rib. You.
At this time, the base is inserted while the projection of the base of the single base lamp is inserted into the recess, and when the base is rotated around the rotation connecting part, the locking piece rides over the first convex rib, and the base is received. The mounting posture is changed from the lamp mounting / removing posture to the mounting posture, the locking piece engages with the projection and is prevented from being pulled out, and the base pin contacts the contact piece. In addition, when attaching and detaching the one-base lamp, when the base is rotated from the mounting position and the locking piece exceeds the first convex rib, the lamp is set in the mounting / removing position, and the projection is not locked to the retaining piece. Can be easily done. At this time, if the force is too large, the cap receiving portion may rotate so that the locking piece passes over the second convex rib. Conversely, the cap receiving portion may be rotated to return to the lamp attaching / detaching posture. it can.

As described above, since the locking piece is locked so as to be able to climb over the second convex rib so as to hold the base accommodating portion in the lamp attaching / detaching position, the base accommodating portion can be mounted in the lamp attaching / detaching position without using a conventional spring. So that it can be
The number of parts can be reduced, assembling is easy, and automation is easy. Further, when the mouthpiece accommodating portion is rotated to the mounting posture, the locking piece gets over the first convex rib, so that the operation force is changed and the operation feeling is good. Further, even if an excessive force is applied when rotating the base accommodating portion to remove the single base lamp, the locking piece rides over the second convex rib, so that there is no danger of the single base lamp being damaged. Further, by holding the base housing portion in the mounting posture at the time of packing, it is easy to align without having an unstable shape.

[0009]

An embodiment of the present invention will be described with reference to FIGS. In other words, this one-base lamp socket is
A single base lamp 5 having a base 4 provided with projections 1 at both ends in a longitudinal direction and a base pin 3 protruding from a bottom surface 2 is mounted, and has a base accommodation section 6 and a mounting section 7. 16
Is a glass tube of the one-base lamp 5, and 35 is a recess for preventing misuse.

[0010] The base housing section 6 has a container section 8 for housing the base 4.
And the recess 8 into which the projection 1 is inserted
In addition, a rotation connecting portion 10 is provided in the container portion 8, and a locking piece 11 that protrudes in the axial direction of the rotation connecting portion 10 of the base housing portion 6 is provided in the base housing portion 6. The container portion 8 of the cap housing portion 6 of the embodiment has an insertion hole 12 through which the cap pins 3 are inserted at the center of a bottom plate 13 made of a flexible, substantially rectangular flat plate, and stands upright on the peripheral edge of the bottom plate 13. Recess 9 of peripheral wall portion 14
A notch 29 reaching the bottom plate 13 is formed in an opposing portion intersecting with the bottom plate 13, and a pair of misuse prevention protrusions 15 engaging with the misuse prevention recesses 35 of the base 4 are formed on the inner surface of the peripheral wall portion 14. .

Further, a pair of rotary connecting portions 10 having a bracket having a shaft hole on one side of the outer bottom surface of the bottom plate 13 as an embodiment.
And a guide groove 17 is formed in the bracket. Further, a columnar locking piece 11 is formed on the other side of the outer bottom surface of the bottom plate 13. The height H of the peripheral wall portion 14 is higher than the height h of the base pin 3 (FIG. 4). For this reason, when the base 4 of the single base lamp 5 is inserted into the container 8, the base 4 is higher than the height of the base pin 3, so the base 4 is inserted into the soums while being guided by the peripheral wall 14, and the base pin 3 is inserted. The bottom surface 2 passes through the insertion hole 12 and hits the bottom plate 13.

The mounting portion 7 has a connection receiving portion 18 for rotatably connecting the rotary connecting portion 10, and the peripheral wall portion 14 comes into contact with the rotation of the base housing portion 6 so that the base housing portion 6 is mounted. The protrusions 1 of the base 4 housed in the base housing 6 are retained and locked in the mounting posture of the base housing 6 and rotated in the other direction of the base housing 6. The projection 1 has a retaining piece 19 that can be released in the lamp attaching / detaching posture. In addition, the mounting portion 7 has a first convex rib 21 that locks the locking piece 11 so as to be able to get over and restricts the base housing portion 6 from rotating from the mounting position to the lamp mounting / removing position. A second convex rib 22 is provided in parallel with the first convex rib 21 for locking the base housing 6 from overriding the lamp mounting / removing posture to the opposite side to the mounting posture.

The mounting portion 7 of the embodiment forms a socket body,
The appliance body 3 to be a surface to be mounted on the outer surface of the mounting posture support wall 23
0 (FIG. 4), and has a bottom 24 which vertically hangs down from the mounting posture support wall 23, and a slit-shaped pin on the upper surface of the bottom 24 for absorbing the rotation of the base pin 3. An insertion hole 25 is formed, and a contact piece 26 is provided inside the bottom 24 thereof. The lead wire connection terminal (not shown) of the contact piece 26 is provided on the outer surface side of the mounting posture support wall 23. Also, the mounting hole 32 of the mounting portion 7 is
4 is formed on the opposite side. Further, connection receiving portions 18 each having a shaft as an example are protruded on both sides of the distal end portion of the bottom portion 24, and the inclined surface 2 is provided at the distal end to facilitate connection with the rotary connecting portion 10.
7 are formed. Further, a pair of side walls 20 connected to the mounting posture support wall 23 and the bottom 24 are hung down, and a notch 28 is formed on the front edge side of each side wall 20, so that the bottom 24 is formed at an end opposite to the bottom 24. A retaining piece 19 protruding in the same direction as the tip side is formed. The protruding rib 21 extends parallel to the mounting posture support wall 23 from one end of the side wall 20 to a position continuous with the bottom 24. The projecting rib 22 has a larger protrusion amount than the projecting rib 21 and is formed on the inner surface side of the retaining piece 19. Here, assuming that the interval A between the convex ribs 21 is an interval between the convex ribs 22, the interval between the convex ribs 22 is the interval B, and the interval C between the tips of the locking pieces 11, C>A> B. Reference numeral 33 denotes a concealing portion formed along the rotation locus of the locking piece 11, and reference numeral 36 denotes a mounting hole used when the mounting posture of the one-base lamp 5 is desired to be perpendicular to the mounting surface.

When the base housing 6 is mounted, the locking piece 11 is attached to the inner surface of the mounting posture support wall 23 of the mounting section 7 and the first convex rib 21.
When inserted along the first convex rib 21 and the mounting posture support wall 23 between the first and second ribs, the guide groove 17 of the bracket of the rotary connecting portion 10 is fitted while engaging with the inclined surface 27 of the connection receiving portion 18. When the mouthpiece housing 6 is pushed in, the bottom plate 13 of the mouthpiece housing 6 is elastically deformed, so that the interval between the brackets of the rotary connecting portion 10 is increased and the rotary connecting portion 10 is fitted into the connection receiving portion 18. In this fitted state, the mouthpiece housing 6 is in the mounting posture. In addition, the outer surface of the bottom plate 13 and the surface of the tip of the bottom portion 24 gradually approach each other in a rotation range in which the projection 1 is released from the retaining piece 19, that is, in a range in which the lamp of the base accommodating portion 6 can be detached. 90 degrees), so that the bottom plate 13 is not deformed by the bottom 2
The rotation connection portion 10 is restricted by the support member 4 so as not to easily come off the connection receiving portion 18. The maximum rotation range of the base housing 6 is regulated by the front edge protruding portion 37 of the bottom plate 13 being locked to the bottom 24. As shown in FIG. 4, the mounting portion 7 is mounted by connecting a lead wire to a lead wire connecting terminal on the outer surface of the mounting posture support wall 23, the convex portion 31 abuts on the instrument body 30, and the base housing portion 6. A screw (not shown) is passed through the notch 29 into the mounting hole 32, and is fastened by a driver or the like to be mounted.

The attachment / detachment operation of the one-base lamp 5 will be described with reference to FIGS. That is, FIG. 4 shows a state in which the mounting portion 7 is mounted on the instrument main body 30. At this time, the bottom portion 24 and the side wall 20 are in a vertical posture with respect to the mounting surface. The base housing 6 is in the lamp mounting / removing posture, the locking piece 11 is held by the second convex rib 22, and the projection 1 is
Is out of range. In this state, the one-base lamp 5 can be inserted into and removed from the base accommodating portion 6 as shown by arrows P and Q. However, the single-base lamp 5 is not parallel to the device main body 30 but is inclined so that it can be easily inserted and removed.

FIGS. 5 and 6 show a state in which the one-base lamp 5 has been inserted into the base accommodating portion 6 and has been turned around the rotary connecting portion 10 toward the mounting posture support wall 23 of the mounting portion 7.
This is because, when the one-base lamp 5 is inserted in the direction of arrow P in the state of FIG. 4, the bottom surface 2 of the base 4 hits the bottom plate 13 and at the same time, the bottom plate 13 is pushed by the insertion force, so that the base housing portion 6 is rotated. Rotating around the center 10, the locking piece 11 rides on the first convex rib 21. FIG. 5 shows that the locking piece 11 is the first convex rib 2.
1 and then the bottom plate 13 of the mouthpiece housing 6
Is elastically deformed so that the locking piece 11 is
At the same time, the projection 1 begins to engage with the retaining piece 19, and the tip of the base pin 3 enters the pin insertion hole 25 and further comes into contact with the contact piece. And the first convex rib 2
A change in the rotational power when the vehicle goes over 1 gives a feeling of wearing, that is, a feeling of clicking.

FIG. 6 shows a state in which the locking piece 11 has climbed over the first convex rib 21. At this time, the base accommodating portion 6 is locked in the mounting posture supporting wall 23 to be held in the mounting posture, and the single base lamp is provided. 5 is parallel to the instrument body 30. Further, the projection 1 is engaged with the retaining piece 19 to be in the retaining state, so that the one-base lamp 5 does not come off from the base accommodating portion 6. Further, when the base pin 3 completely contacts the contact piece and power is supplied to the lead wire connection terminal from the lead wire, the lighting becomes possible.

On the other hand, when the one-sided lamp 5 is to be removed, if the one-sided lamp 5 is pulled in a direction in which the tip side of the one-sided lamp 5 is separated from the instrument body 30, the operation moves in the opposite direction to the state shown in FIG. The gold lamp 5 can be pulled out in the direction of arrow Q in FIG. FIG. 7 shows a state in which when the one-base lamp 5 is rotated from the state shown in FIG. 6 to the state shown in FIG. At this time, since the height of the second convex rib 22 is increased, the locking piece 1
Excessive force is absorbed when 1 gets over the second convex rib 22, and no excessive force is applied to the single base lamp 5 so that there is no problem such as breakage. By rotating the cap housing 6 in the opposite direction from this state, the locking piece 11 is
2 can be returned to the lamp attaching / detaching posture of FIG.

According to this embodiment, the single base lamp is held in a state in which the base 6 is held in the lamp attaching / detaching posture in which the locking piece 11 is located between the first convex rib 21 and the second convex rib 22. 5 is inserted. At this time, the base 4 is inserted while the projection 1 of the base 4 of the single base lamp 5 is inserted into the recess 9, and the base 11 is turned around the rotation connecting part 10 so that the locking piece 11 becomes the first projection. After the rib 21 is passed over, the cap housing 6 is changed from the lamp attaching / detaching posture to the mounting posture, the locking piece 11 is engaged with the projection 1 and is prevented from being pulled out, and the cap pin 3 comes into contact with the contact piece. When the one-base lamp 6 is detached, the base 1 is rotated from the mounting position and the locking piece 1 is
When it exceeds, the lamp will be in the mounting / removing posture, and the protrusion 1 will be
The lamp can be easily replaced because it no longer locks the lamp. At this time, if the force is too large, the locking piece 11 is
The mouthpiece housing 6 may rotate so as to exceed
Conversely, by rotating the base accommodating portion 6, it is possible to return to the lamp attaching / detaching posture.

As described above, since the locking piece 11 is locked so as to be able to get over the second convex rib 22 so as to hold the base accommodating section 6 in the lamp attaching / detaching posture, the base accommodating section 6 can be used without using a conventional spring. Can be rotated and held in the lamp attaching / detaching posture, so that the number of components can be reduced, and assembling is easy and automation is easy. Further, when the base housing 6 is rotated to the mounting posture, the locking piece 11 rides over the first convex rib 21, so that the operation force is changed and the operation feeling is good. Further, even if an excessive force is applied when rotating the base housing 6 to remove the base lamp 5, the locking piece 11 rides over the second convex rib 22 so that the risk of damage to the base lamp 5 is prevented. can do. Further, by holding the mouthpiece accommodating portion 6 in the mounting posture at the time of packing, it becomes easy to align without having an unstable shape.

Further, in this embodiment, the first convex rib 21 can be used as a guide for the locking piece 11 when assembling the base housing portion 6 to the mounting portion 7, so that it is easy to assemble. Note that, in the present invention, the contact piece may be provided in the base housing 6.

[0022]

The socket for a one-sided lamp according to the present invention comprises:
Since the locking piece is locked so as to be able to get over the second convex rib so as to hold the base accommodating portion in the lamp attaching / detaching position, the base accommodating portion can be pivotally held in the lamp attaching / detaching position without using a conventional spring. As a result, the number of parts can be reduced, and assembling is easy and automation is easy. Further, when the mouthpiece accommodating portion is rotated to the mounting posture, the locking piece gets over the first convex rib, so that the operation force is changed and the operation feeling is good. Further, even if an excessive force is applied when rotating the base accommodating portion to remove the single base lamp, the locking piece rides over the second convex rib, so that there is no danger of the single base lamp being damaged. Further, by holding the base housing portion in the mounting posture during packing, there is an effect that the shape is easily aligned without being unstable.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a perspective view of an assembled state.

FIG. 3 is an enlarged plan view thereof.

FIG. 4 is an explanatory diagram of a lamp attaching / detaching posture.

FIG. 5 is an explanatory view in the course of rotating the base housing to the mounting posture.

FIG. 6 is an explanatory diagram of a mounting posture.

FIG. 7 is a view showing that an excessive force is applied to the base accommodating portion and the locking piece is in the second position.
FIG. 4 is an explanatory view of a state in which the convex rib has been exceeded.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Projection 2 Bottom surface 3 Cap pin 4 Cap 5 Single cap lamp 6 Cap accommodating part 7 Attachment part 8 Container part 9 Recess 10 Rotation connection part 11 Locking piece 14 Peripheral wall part 18 Connection receiving part 19 Detachment piece 20 Side wall 21 First Convex rib 22 of the second convex rib 23 mounting support wall

Continued on the front page (56) References JP-A 1-1132080 (JP, U) JP-A 63-101479 (JP, U) JP-A 62-89710 (JP, U) JP-A 53-10589 (JP) , U) Real opening 58-135806 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 33/08 F21V 19/00 350

Claims (1)

(57) [Claims] 1. A one-sided lamp having a base provided with projections at both ends in a longitudinal direction and a base provided with a base pin protruding therefrom, comprising a container for accommodating the base, wherein the protrusion is provided. A recessed part to be inserted is formed in the peripheral wall of the container, and a cap housing part provided with a rotation connection part in the container, and a connection receiving part that rotatably connects the rotation connection part, The peripheral wall portion abuts upon rotation of the base housing portion in one direction, and has a mounting posture support wall that regulates the base housing portion to a mounting posture, and the protrusion of the base housed in the base housing portion includes A mounting portion having a retaining piece that is retained and locked in the mounting posture of the base housing portion in the mounting / removing posture of the lamp rotated in the other direction of the base housing portion and that can release the protrusion. A contact piece with which the base pin of the single base lamp contacts in the mounting posture of In a one-base lamp socket provided on one of the base receiving portion and the mounting portion, a locking piece projecting in the axial direction of a rotation connecting portion of the base receiving portion is provided in the base receiving portion, The mounting portion has a first convex rib that locks a piece so as to be able to get over and restricts the base housing from rotating from the mounting position to the lamp attaching / detaching position. And a second convex rib for locking the base housing from rotating from the lamp attaching / detaching position to the opposite side to the mounting position is provided in parallel with the first convex rib. Socket for single base lamp.