JP4797762B2 - Socket cover mounting structure for fluorescent lamp unit - Google Patents

Description

  The present invention relates to a socket cover mounting structure in a fluorescent lamp unit which is a lighting fixture using a fluorescent lamp.

  Conventionally, a cover is attached to the socket of the fluorescent lamp, and the cover of the socket moves to a covering position where the socket and a part of the fluorescent lamp are covered, and an exposed position where the entire fluorescent lamp is exposed and a part of the socket appears. There are some (for example, described in Patent Document 1). Among these, in order to facilitate the assembly process of the entire fluorescent lamp unit, a plurality of rails are provided on the frame of the fluorescent lamp unit, a socket support base that is mounted and fixed along the rails, and a socket In some cases, the cover moves along the rail and moves to a covering position that covers the socket and a part of the fluorescent lamp, and an exposed position that exposes the entire fluorescent lamp and a part of the socket appears. (For example, described in Patent Document 2).

  With these structures, the fluorescent lamp can be protected and prevented from falling, and the fluorescent lamp can be easily attached and detached. In addition, the degree of freedom in design and functional beauty will also be improved, and it is used for indirect lighting as well as direct lighting in vehicle lighting and store lighting.

Japanese Utility Model Publication No. 4-116308 (FIGS. 3 to 5) JP 2006-49042 A (FIG. 2)

However, the socket cover mounting structure in the conventional fluorescent lamp unit has the following problems.
In a conventional socket cover mounting structure, a locked state and a non-locked state are configured by fitting plastic or metal unevenness. FIG. 6A shows a locked state of the socket cover 120 of Patent Document 1. FIG. In order to release the locked state and move the socket cover 120, it is necessary to move the socket cover 120 after loosening the locked state by spreading the claw portion 108 in the direction of the arrow. Further, after the movement, the release after the claw portion 108 is fitted and locked in the hole 109 needs to widen the claw portion 108 to release the locked state.

  FIG. 6B shows a locked state of the socket cover 120 of Patent Document 2. In order to release the locked state and move the socket cover 120, the socket cover 120 is pushed from both sides in the direction of the arrow to loosen the locked state between the locking recess 122 and the locking projection 125 and then moved. Is required.

  As described above, when the socket cover is moved between the cover position and the exposure position, it is necessary to release the locked state, and most of the fluorescent lamp units are installed at high places. When it is difficult and the locking state is firmly made, the workability of the fluorescent lamp replacement work is further inconvenient.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a socket cover mounting structure in a fluorescent lamp unit that does not need to be released when the socket cover is moved.

In order to solve the above-mentioned problems, a mounting structure for a socket cover in a fluorescent lamp unit according to claim 1 comprises a main body case, a socket mounting portion for mounting a fluorescent lamp socket on the main body case, and a coating for covering the socket. And a socket cover mounting structure in a fluorescent lamp unit including a socket cover that is slidably movable between two positions, i.e., an exposed position where the socket is exposed, wherein the socket mounting portion is a circular shape for mounting the socket. A socket mounting body; a support body that supports the socket mounting body in the main body case; and a locking unit that mounts the support body to the main body case, and the socket cover covers the socket along these. A cover body that can be attached to the slide body and a slide portion that is provided so as to sandwich the support body A sliding support portion that slidably supports the slide portion with respect to the main body case, and is configured to be in a locked state when the socket cover is located at the covering position. And a locking mechanism provided on a support body of a socket mounting portion for mounting and fixing the socket to the main body case and engaging with the locking hole to be locked. is characterized by comprising a spherical sphere rotated by the movement of the socket cover, the elastic force return means having an elastic force to push against the spherical body with the locking hole.
In addition to the configuration of the socket cover mounting structure in the fluorescent lamp unit according to claim 1, the elastic force return means includes a coil spring. It is characterized by that.
In addition to the structure of the socket cover mounting structure in the fluorescent lamp unit according to claim 1 or 2, the attachment means for the socket cover in the fluorescent lamp unit according to claim 3 includes a main body case. It is provided with a fixing means that is slidably guided by the guide means provided on the, and can be fixed at an arbitrary position.
The socket cover mounting structure in the fluorescent lamp unit according to claim 4, in addition to the configuration of the socket cover mounting structure in the fluorescent lamp unit according to any one of claims 1 to 3, the slide portion. The pair of surfaces of the support that face each other are provided in parallel to each other, and the pair of surfaces that face the pair of slide portions are also provided in parallel to each other.
In addition to the structure of the socket cover mounting structure in the fluorescent lamp unit according to any one of claims 1 to 4, the lock cover mounting structure in the fluorescent lamp unit according to claim 5, The mechanism is provided only on one side of the support.

The mounting structure of the socket cover in the fluorescent lamp unit according to claim 1 is slidable between two positions: a covering position that covers the socket of the fluorescent lamp attached to the main body case and an exposed position that exposes the socket. In the mounting structure of the socket cover in the fluorescent lamp unit in which the socket cover is attached to the main body case, a locking hole that forms a locking state when the socket cover is located at the covering position, A locking mechanism that is provided in a socket mounting portion for mounting and fixing the socket and that engages with the locking hole to form a locked state, and the locking mechanism is driven by the movement of the socket cover. Since the rotating spherical sphere and the elastic force return means having the elastic force that pushes the sphere toward the locking hole are provided, the socket cover is moved. Operation engagement of the socket cover and the socket mounting portion in only is released without requiring a force, can easily move the socket cover to. Further, a stable locking strength is maintained by the elastic force of the locking mechanism, and the locking state between the socket cover and the socket mounting portion is stably maintained.
With the above configuration, workability is improved, and the fluorescent lamp is easily removed.

The present embodiment will be described below based on FIGS. 1 to 4.
Fig.1 (a) is a front view which shows the fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in a covering position. FIG.1 (b) is a top view which shows the fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in a covering position. Fig.2 (a) is a left view which shows the socket cover 20 of this embodiment. FIG. 2B is a front view showing the socket cover 20 of the present embodiment. Fig.3 (a) is a left view which shows the socket attachment part 30 of this embodiment. FIG.3 (b) is a front view which shows the socket attachment part 30 of this embodiment. FIG. 4 is a right side view of the fluorescent lamp unit 100 shown in FIG.

As shown in FIGS. 1A and 1B, the fluorescent lamp unit 100 is configured by assembling a fluorescent lamp 1, a transformer unit 70, and a socket cover body 10 in a main body case 50.
The fluorescent lamp 1 includes a long-axis tubular fluorescent glass tube 2 from which fluorescent paint emits light and a cylindrical lamp base 3 connected to a socket 5, and sockets provided on both sides of the fluorescent lamp unit 100. The cover body 10 is mounted.

The main body case 50 will be described in detail with reference to FIG. 1 or FIG.
The main body case 50 has a unit fixing piece 55 so that the entire fluorescent lamp unit 100 can be mounted on the inner wall / outer wall of a store, the wall surface of a railway, a vehicle, or a ceiling wall surface, and the unit fixing piece 55 is fixed with a screw. A unit fixing hole 56 is provided so as to be able to. A ceiling decoration portion 53 is provided with a step difference from the unit fixing piece 55 to form a decoration portion as a ceiling surface. In the upper right part of the ceiling decoration portion 53, in order to reflect the light of the fluorescent lamp 1 in the vertical direction, the upper reflector 51 and the lower reflector 51 are arranged along the longitudinal direction of the fluorescent lamp unit 100 so as to cover the fluorescent lamp 1. A reflection plate 52 is provided.

Further, between the upper reflecting plate 51 and the lower reflecting plate 52, grooves having a circular cross-section with a part cut out along the longitudinal direction of the fluorescent lamp unit 100 are provided in the center and the upper and lower sides, respectively, and the center rail 58 is provided. The upper and lower rails 57 are formed. In order to make the socket mounting portion 30 movable along the groove, the central rail 58 is structured to be fitted to the socket rail foot 33 of the socket mounting portion 30. Similarly, the upper and lower rails 57 are configured to fit with the two socket cover rail feet 21 of the socket cover 20 so that the socket mounting portion 30 can be moved along the upper and lower grooves. In the vicinity of the socket cover 20 of the upper and lower rails 57, a rod-like stopper 59 stands up and is embedded in the groove so that the socket cover 20 does not move further from the covering position to the center of the fluorescent lamp unit 100 or separate from the upper and lower rails 57. It is.
Further, inside the upper and lower rails 57, grooves are formed along the longitudinal direction of the fluorescent lamp unit 100, and a space in which the fluorescent lamp harness 79 can be stored is provided.

The transformer unit 70 will be described in detail with reference to FIG. 1 or FIG.
The transformer unit 70 includes a box-shaped transformer case 77 that houses a transformer 71, a harness 73 that extends from the transformer 71, and a connector 75 that is connected to another fluorescent lamp unit 100 or a power source.

The transformer case 77 is fixed to the main body case 50 with screws by a metal L-shaped transformer fixing plate 76 at the approximate center of the fluorescent lamp unit 100. The harness 73 is covered with a harness cover 72 between the transformer 71 and the connector 75.
The connector 75 is fixed to the main body case 50 with a screw by a metal L-shaped connector mounting plate 74.

Further, not only the harness 73 but also a fluorescent lamp harness 79 connected to the socket 5 is extended from the transformer 71.
A heat insulating material 60 is attached to the outer periphery of the main body case 50 and the transformer unit 70 so that a temperature difference occurs between the outside and the inside and no condensation occurs.

The socket cover body 10 as a mounting structure will be described in detail with reference to FIGS.
The ket cover body 10 includes a socket 5, a socket cover 20, and a socket mounting portion 30.
The socket 5 connected to the lamp base 3 is formed in a cylindrical shape and fixed to a socket mounting portion 30 described later with a screw. By connecting the fluorescent lamp harness 79 inside the socket 5, the socket 5 is connected via the fluorescent lamp harness 79. Electric power is supplied from the transformer 71 to the fluorescent lamp 1.

  The socket cover 20 is provided with a cylindrical cover body 23 having a circular cross section so as to cover the socket 5 and the fluorescent lamp 1 as shown in FIG. Is formed. Two socket cover rail legs 21 are provided on both upper sides of the cutout, and are configured to be fitted to the upper and lower rails 57 of the main body case 50. A locking hole 22 for forming a locking state is formed in an intermediate portion between one socket cover rail foot 21 and the cover body 23.

  As shown in FIG. 3 or FIG. 4, the socket mounting portion 30 is provided with a cylindrical socket mounting body 31 having a circular cross section in accordance with the shape of the socket 5. A support 34 for supporting the attachment portion 30 is provided. A socket fixing piece 38 for mounting the socket 5 is formed on the inner periphery of the socket attachment body 31 in the thickness direction, and the socket 5 and the socket are connected by screws or bolts along the socket fixing piece 38. A socket fixing groove 32 for fixing the lid 39 together is formed.

  Two socket rail feet 33 are provided in the upper center of the support 34 and are shaped to fit into the central rail 58 of the main body case 50. The socket rail foot 33 is formed with a fixing hole 37 so that it can be fixed on the central rail 58 with a screw. In addition, a lock structure 40 is provided at an intermediate portion of the support 34 to configure a locked state.

The lock structure 40 as a locking mechanism includes a lock ball 41 and a spring 42. The locking ball 41 is configured by a spherical metal sphere, and the spring 42 is configured by a metal spring.
The locking ball 41 is always pushed outward from the inside of the support body 34 by the elastic force of the spring 42, and a part of the locking ball 41 protrudes from the outer wall of the support body 34. Further, the locking ball 41 is held by the outer wall of the support 34 so as not to be exposed to the outside of the support 34 beyond the position shown in FIG.
The inside of the lock structure 40 is a cylindrical space that is slightly larger than the circumference of the lock ball 41 so that the lock ball 41 can enter inside against the elastic force of the spring 42. Yes.

(Operation and effect of this embodiment)
Hereinafter, the operation and effect of the present embodiment will be described with reference to FIG.
FIG. 5A shows a front view showing a part of the fluorescent lamp unit 100 in which the socket cover 20 of the present embodiment is in the covering position, and FIG. 5B shows the socket cover 20 of the present embodiment. Is a plan view showing a part of the fluorescent lamp unit 100 in the covering position, and FIG. 5C shows the lock structure 40 of the socket mounting portion 30 in which the socket cover 20 of the present embodiment is in the covering position. An enlarged action diagram is shown.
At the covering position, the entire socket 5 and a part of the fluorescent glass 2 are covered.

FIGS. 5A to 5C show a locked state in which the socket cover 20 is in the covering position, and the locking structure in the socket mounting portion 30 is inserted into the locking hole 22 provided in the socket cover 20. The locking ball 41 of the body 40 is engaged. Since the locking ball 41 is always pushed in the direction of the locking hole 22 by the elastic force of the spring 42, the socket cover 20 is locked by the lock structure 40 in the socket mounting portion 30. With such a structure, the elastic force is resisted to such an extent that the locking ball 41 and the locking hole 22 are disengaged, so long as the locking ball does not exert a force that sinks to the outer wall of the socket mounting portion 30. The socket cover 20 is locked without moving.
Further, since the spring 42 is always pushed in the direction of the locking hole 22 by the elastic force of the spring 42, the locked state is not released even if there is some vibration, and a stable locked state is maintained. become.

5D is a front view showing a part of the fluorescent lamp unit 100 in which the socket cover 20 of the present embodiment is in the exposed position, and FIG. 5E is a socket of the present embodiment. A plan view showing a part of the fluorescent lamp unit 100 with the cover 20 in the exposed position is shown, and FIG. 5 (f) shows a lock structure of the socket mounting body 30 with the socket cover 20 of the present embodiment in the exposed position. Forty enlarged views are shown.
At the exposed position, a part of the socket cover 20 and the entire fluorescent lamp 1 are exposed.

  5 (d) to 5 (f) show the unlocked state in which the socket cover 20 is in the exposed position, and the locking hole 22 provided in the socket cover 20 and the lock in the socket mounting portion 30 are shown. The lock ball 41 of the structure 40 is in a separated state.

  The locking state is released before the change from the covering position to the exposed position, but when the socket cover 20 is slid along the upper and lower rails 57 from the covering position, the sphere 41 is moved along with the sliding movement. At the same time as it is rotated and guided to release the lock, the sphere 41 sinks against the elastic force of the spring and is released from the lock hole 22. Then, the sphere 41 rotates along the inner surface of the socket cover 20 and guides the socket cover 20.

At this time, since the sphere 41 is spherical, the frictional resistance when the socket cover 20 moves is low because the contact is not a surface but a point, and the sphere 41 can rotate freely. In addition, the resistance is further reduced. Therefore, the locked state of the socket cover 20 can be released with a small force.
From the above, since the locked state at the covering position can be released only by the operation of moving the socket cover 20, the replacement work of the fluorescent lamp 1 is facilitated.

  Further, in this moving operation, even if the cover position passes, the socket cover 20 is blocked by the stopper 59 and does not move further from the cover position to the center of the fluorescent lamp unit 100. On the contrary, even if the exposure position passes, the socket cover 20 is blocked by the stopper 59 and is not further detached from the outside of the fluorescent lamp unit 100, that is, from the fluorescent lamp unit 100.

(1) From the above, since the locked state at the covering position can be released only by the operation of moving the socket cover 20, the movement of the socket cover 20 is easy even without performing the operation of releasing the locked state. This makes it easy to replace the fluorescent lamp 1.

(2) When releasing the locked state of the socket cover 20, the spherical shape of the sphere 41 reduces the contact surface with the inner surface of the socket cover 20 and reduces the frictional resistance, so that the locked state can be released even with a small force.

(3) When the locked state of the socket cover 20 is released, the spherical body 41 is rotated by following the socket cover 20, so that the frictional resistance with the inner surface of the socket cover 20 is reduced and the locked state can be released even with a small force. it can.

(4) Even after the locked state of the socket cover 20 is released, the spherical body 41 is rotated by being driven by the socket cover 20, so that the frictional resistance with the inner surface of the socket cover 20 is reduced and the socket cover 20 is exposed smoothly. It can be guided to the position and can be moved with less force.

(5) In addition to the effect of (4) above, the socket cover 20 moves along the upper and lower rails 57, so that it is not difficult to move in a biased manner, and the socket cover 20 can be easily moved.

(6) Since the spring 42 is always pressed in the direction of the locking hole 22 by the elastic force, the locking state of the socket cover 20 and the lock structure 40 can be easily released even if there is some vibration. Absent. In particular, the above-described effects can be further exerted when used for vehicles represented by railway vehicles, automobiles, large automobiles, and airplanes.

(7) Unlike the case of providing the locking claw 108 with the same member on the socket cover 120 as in the conventional example of FIG. 6, the lock structure 40 is configured with a member different from the socket cover 20 and the socket mounting portion 30. Therefore, the strength of the locked state can be adjusted. For example, the strength of the locked state can be changed by changing the strength of the spring 42.

(Examples of changes to other embodiments)
The example which changed embodiment described above into other embodiment is shown below.
In the above embodiment, the elastic force return means is constituted by the spring 42 by a spring. However, if an elastic force such as a leaf spring, elastic resin, or hydraulic pressure is generated, it is not necessary to limit the material or the shape. Absent.

In the above embodiment, an example in which the lock structure 40 (locking mechanism) is provided in the socket mounting portion 30 has been described. However, the lock structure 40 (locking mechanism) is provided in the socket cover 20 and a lock hole is provided. The structure which provides 22 in the socket attachment part 30 or the main body case 50 may be sufficient, and the effect similar to said (1) thru | or (7) is acquired.

In the above embodiment, the structure in which the lock structure 40 (locking mechanism) is incorporated in the socket mounting portion 30 is shown. However, the lock structure 40 can be replaced by repair or the lock strength can be adjusted. The body itself may be desorbed.

-As mentioned above, the attachment structure of the socket cover 20 in the fluorescent lamp unit 100 of this embodiment can be used for the fluorescent lamp 1 used for a railway vehicle, a motor vehicle, a vehicle, the inside of a building, a street, etc.

(A) It is a front view which shows the fluorescent lamp unit 100 which has the socket cover 20 of this embodiment in a covering position. (B) It is a top view which shows the fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in a covering position. (A) It is a left view which shows the socket cover 20 of this embodiment. (B) It is a front view which shows the socket cover 20 of this embodiment. (A) It is a left view which shows the socket attachment part 30 of this embodiment. (B) It is a front view which shows the socket attachment part 30 of this embodiment. 3 is a right side view of the fluorescent lamp unit 100. FIG. (A) The front view which shows a part of fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in a covering position. (B) The top view which shows a part of fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in a covering position. (C) It is an expansion effect | action figure of the lock structure 40 of the socket attaching part 30 in which the socket cover 20 of this embodiment exists in a covering position. (D) The front view which shows a part of fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in an exposure position. (E) The top view which shows a part of fluorescent lamp unit 100 in which the socket cover 20 of this embodiment exists in an exposure position. (F) It is an expansion operation | movement figure of the lock structure 40 of the socket attachment part 30 in which the socket cover 20 of this embodiment exists in an exposure position. (A) (B) The action figure for canceling the locked state of the conventional socket cover 120.

Explanation of symbols

1. ... Fluorescent lamps, 2 ... Fluorescent glass tubes, 3 ... Lamp caps, 4 ... Lamp pins, 5 ... Sockets,
10: Socket cover body (mounting structure),
20 ... Socket cover, 21 ... Socket cover rail foot, 22 ... Locking hole,
23 ... Cover body, 24 ... Fixed screw,
30 ... Socket mounting part, 31 ... Socket mounting body,
32 ... Socket fixing groove, 33 ... Mounting part rail foot, 34 ... Support,
37 ... fixing hole, 38 ... socket fixing piece, 39 ... socket lid 40 ... lock structure (locking mechanism), 41 ... ball for lock (sphere),
42... Spring (elastic force return means),
50 ... Main body case, 51 ... Upper reflective part, 52 ... Lower reflective part,
53 ... ceiling decoration part, 54 ... hook part, 55 ... unit fixing piece,
56 ... unit fixing hole, 57 ... upper and lower rails, 58 ... middle rail,
59 ... stopper,
60 ... heat insulating material,
70: Transformer unit, 71: Transformer, 72: Harness cover,
73 ... Harness, 74 ... Connector mounting plate, 75 ... Connector,
76 ... Transformer fixing plate, 77 ... Transformer case, 79 ... Harness for fluorescent lamp,
100: Fluorescent lamp unit.

Claims (5)

A main body case, a socket mounting portion for attaching a socket of a fluorescent lamp to the main body case, a socket cover that is slidable between two positions of a covering position that covers the socket and an exposed position that exposes the socket In the mounting structure of the socket cover in the fluorescent lamp unit,
The socket mounting portion comprises a circular socket mounting body for mounting the socket, a support body for supporting the socket mounting body in the main body case, and a locking means for mounting the support body to the main body case,
The socket cover includes a cover main body that can cover the socket along the socket, a slide portion that is provided so as to sandwich the support body, and the slide portion is slidable with respect to the main body case. And a sliding support part for supporting the
Provided on the support of the locking hole for mounting and fixing the socket to the main body case, and the locking hole that is provided on the slide portion and forms a locking state when the socket cover is located at the covering position. A locking mechanism that fits into the locking hole and is locked;
The locking mechanism includes a spherical sphere that rotates following the movement of the socket cover, and an elastic force return means having an elastic force that pushes the sphere toward the locking hole. Mounting structure for socket cover in fluorescent lamp unit. 2. The socket cover mounting structure in a fluorescent lamp unit according to claim 1, wherein the elastic force return means comprises a coil spring. The said latching means is provided with the fixing means which can be fixed to arbitrary positions while being guided to the guide means provided in the main body case so that sliding is possible. Mounting structure for socket cover in fluorescent lamp unit. 2. The pair of surfaces of the support body facing the slide portion are provided in parallel with each other, and the pair of surfaces facing the pair of slide portions are also provided in parallel with each other. A mounting structure for a socket cover in a fluorescent lamp unit according to any one of claims 1 to 3. The mounting structure for a socket cover in a fluorescent lamp unit according to any one of claims 1 to 4, wherein the locking mechanism is provided only on one side of the support.