JPH0619166Y2 - Socket for single-ended fluorescent lamp - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a single-base fluorescent lamp socket for mounting a U-shaped fluorescent lamp or the like.

[Background technology]

Conventionally, as shown in FIG. 12, a tool body 61 is fixed to a wall surface 60, and a plug receiver 64 is attached to a front surface of a reflection plate 62 of the tool body 61 via a bracket 63.
In FIG. 4, there is a lighting fixture in which a base (not shown) of a U-shaped fluorescent lamp 65 is attached. In such a lighting fixture, the fluorescent lamp 65 is attached / detached in the direction of the arrow along the fixture main body 61, but since the gap between the fluorescent lamp 65 and the reflection plate 62 and the main body plate 66 of the fixture main body 61 is small, the attachment / detachment operation Was difficult.

Therefore, a lighting fixture as disclosed in Japanese Utility Model Publication No. 60-042610 has been devised. This luminaire has a stopper receiver rotatably provided with respect to the main body of the fixture, and when the fluorescent lamp is attached or detached, the stopper receiver is tilted with respect to the reflection plate of the main body of the fixture. The fluorescent lamp can be easily attached and detached without being restricted by the narrow space surrounded by the reflector and the main plate. However, in the luminaire of the present invention, when the fluorescent lamp is attached to the plug receiver, the lamp pin of the fluorescent lamp must be press-fitted into the lamp pin insertion hole of the plug receiver to ensure electrical connection. , It was troublesome to put on the fluorescent lamp. Moreover, it is difficult to determine whether the lamp pins are securely electrically connected, and the connection state of the fluorescent lamp is unstable.

[Purpose of device]

An object of the present invention is to provide a socket for a single-base fluorescent lamp, which has improved operability in attaching and detaching the single-base fluorescent lamp, and which enables reliable electrical connection in the mounted state of the single-base fluorescent lamp.

[Disclosure of device]

A single base fluorescent lamp having a lamp pin on the end face of the base of the present invention and a base protrusion on the side surface of the base is connected. The support is rotatably attached to the support by a shaft. A plug receiver that is axially supported and has a lamp pin insertion hole for inserting the lamp pin on one end surface and a locking protrusion on the rear surface in the rotation direction, and is connected to the plug receiver provided on the support body. An elastic holding mechanism having an elastic engaging element that engages with the base protrusion in a predetermined posture of the single-base fluorescent lamp, and a support body formed by a leaf spring, one end of which faces the locking protrusion. A curved fitting portion at the other end, which is attached to the lamp pin insertion hole side of the surface, extends toward the center of rotation of the plug receiving body and slidably elastically contacts the surface of the locking projection, and From the elastic engaging element And a stopper that elastically locks to the end of the locking projection in the inclined posture of the single-ended fluorescent lamp, the base in the vicinity of the start end when the lamp pin is inserted into the lamp pin insertion hole without load. A guide surface, which is coincident with the rotation locus of the projection and whose rear end side is inclined toward the rotation axis of the plug receiving body from the rotation locus, is provided on the elastic engaging element, and is located at the end of the guide surface. The elastic engagement member is provided with an engaging portion with which the base projection is engaged in a state in which the lamp pin is press-fitted into the lamp pin insertion hole.

According to the configuration of this invention, when the single-ended fluorescent lamp is attached to or detached from the plug receiving body, the plug receiving body is rotated so that the direction of attaching or detaching the lamp in the plug receiving body is a direction orthogonal or inclined to the reflector. Convert to. In this way, at the position not restricted by the narrow space surrounded by the reflector and the main plate,
The single base fluorescent lamp can be easily attached and detached.

Also, when the lamp pin of the single-ended fluorescent lamp is inserted into the lamp-pin insertion hole of the plug receiver with no load, and the single-ended fluorescent lamp is turned to the predetermined position for lighting, the protrusion of the single-ended fluorescent lamp has the elastic engaging element. The lamp pin slides along the guide surface and engages with the engaging portion, and the lamp pin is press-fitted into the lamp pin insertion hole. In this way, the operator only has to insert the lamp pin into the lamp pin insertion hole with no load, so that the mounting operation does not take time. Moreover, since the lamp pin is press-fitted into the lamp pin insertion hole when the lamp pin is rotated to the predetermined posture, the electrical connection can be surely obtained. Further, when the single-ended fluorescent lamp of the plug receiver is attached or detached, the stopper fitting portion is locked to the end of the locking projection and the rotation of the plug receiver is held in a state regulated by the stopper. The attachment / detachment of the single-base fluorescent lamp can be further facilitated. Further, when the mouthpiece projection is engaged with the elastic engaging element, the fitting portion of the stopper approaches the rotation center side of the plug receiving element, so that the moment applied to the plug receiving element is small and the influence of the detachment from the elastic engaging element is reduced. rare. On the other hand, when rotating the single-base fluorescent lamp to remove the base protrusion from the elastic engaging element, the elastic action of the stopper pushes the fitting part while sliding the locking protrusion, so that the plug receiving body can be attached or detached. It becomes easy to rotate.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 11. That is, as shown in FIG. 1, the socket for a single-base fluorescent lamp of this embodiment is connected to the single-base fluorescent lamp 10 having a lamp pin 34 on the end surface of the base 32 and a projection 33 on the side surface of the base 32. The thing
The support body 12 and side portions are rotatably supported by the support body 12 by the shaft body 28, have a lamp pin insertion hole 30 for inserting the lamp pin 34 in one end surface, and have a locking projection on the rear surface in the rotation direction. An elastic engagement element 1 provided on the support 12 and having a plug receiving body 11 having 31 and engaging with the projection 33 of the single base fluorescent lamp 10 connected to the plug receiving body 11 in a predetermined posture.
9 is an elastic holding mechanism 13 and a leaf spring, one end of which is attached to the lamp pin insertion hole 30 side on the facing surface of the support 12 that faces the locking projection 31 and the other end is bent. The joint portion 25 extends toward the center of rotation of the plug receiver 11 and slidably elastically contacts the surface of the locking protrusion 31.
Further, the base projection 33 is provided with the stopper 8 elastically locked to the end of the locking projection 31 in the inclined posture of the single-base fluorescent lamp 10 separated from the elastic engaging element 19, and the lamp pin 3 is provided near the start end.
4 is aligned with the rotation locus of the cap projection 33 in the state in which 4 is inserted into the lamp pin insertion hole 30 with no load, and the rear end side has a guide surface 19 'inclined toward the rotation axis center of the plug receiver 11 from the rotation locus. The elastic engaging member 19 is provided with an engaging portion 20 which is located at the end of the guide surface 19 'and engages with the cap projection 33 while the lamp pin 34 is pressed into the lamp pin insertion hole 30. It is characterized by.

FIG. 2 shows a perspective view of the support 12. Support 1
The reference numeral 2 includes a mounting plate portion 15 having screw insertion holes 16 and 17 at four corners, and a pair of side wall portions 18. Each side wall portion 18 has an elastic engaging member 19 having a guide surface 19 ′ and an engaging portion 20, a support plate portion 22 having a shaft hole 21 and recessed inward, and an attachment having a screw insertion hole 23. The piece 24 is formed. Further, a stopper 8 made of a leaf spring is fixed to the inner surface of the mounting plate portion 15, and a fitting portion 25 bent in a mountain shape is formed at the tip of the stopper 8.

FIG. 3 shows a perspective view of the plug receiver 11. The plug receiving body 11 includes a main body 29 having shafts 28 projecting from both side surfaces,
The main body 29 is composed of base pieces 26 and 27 projecting from the lamp pin insertion hole 30 side. A locking projection 31 is formed on the outer surface of the base receiving piece 27 across the body 29. The end of the locking projection 31 extends to the center line of the shaft 28 as shown in FIG.

FIG. 4 shows an internal structure of the plug receiver 11 and an external view of the single-base fluorescent lamp 10. First, single-ended fluorescent lamp 10
Comprises a U-shaped lamp 9 and its base 32, base projections 33 project from both sides of the base 32, and the base 32 is provided with lamp pins 34. The base protrusion 33 and the elastic engagement element 19 constitute the elastic holding mechanism 13.

Further, inside the main body portion 29 of the plug receiver 11, a cross rib 35 that forms a storage space 36 for each lamp pin 34 is provided, and a contact plate 37 is inserted into each storage space 36 (fifth).
See figure). A push-up spring 38 is in contact with the back surface of the contact plate 37, and the other end is supported by a back plate 39 that closes the storage space 36. The back plate 39 has a driving tack 40 and a hole 41 in the back plate 39.
It is attached by driving into the driving hole of the main body portion 29 through. Reference numeral 43 is a lead wire insertion hole, and 44 is a notch for avoiding the mounting hole 45 of the main body 29.

6 and 7 show a state in which the plug receiver 11 is attached to the support 12. The plug receiver 11 is rotatably attached by inserting the shaft 28 into the shaft hole 21 of the support 12. Then, the support 12 is screwed to the reflector plate 46 of the fixture body of the lighting fixture mounted on the wall or the like. Figure 6 shows
The screw 47 is inserted into the screw insertion hole 17 and fastened to the reflection plate 46, and in FIG. 7, the tapping screw 47 ′ is inserted into the reflection plate 46 and screwed into the screw insertion hole 16 while being tapped. It may be attached by either method.

FIG. 1 shows a plug receiver 1 rotatably attached to a support pair 12.
In the lamp pin insertion hole 30 of No. 1, the single base fluorescent lamp 10
The lamp pin 34 is inserted without load. The guide surface 19 ′ of the elastic engaging element 19 is formed so that the vicinity of the start end coincides with the rotation locus Q of the tip 33 ′ of the protrusion 33 of the mouthpiece 32, and the rear end side of the guide surface 19 ′ is closer to the rotation locus Q than the rotation locus Q. Is inclined toward the rotation axis P of the. The start end 19 ″ of the guide surface 19 ′ is spread outward so that the projection 33 can easily enter the guide surface 19 ′. The tip 33 ′ of the projection 33 has a small force applied to the single-base fluorescent lamp 10. In order to be able to rotate, it is separated from the center of the shaft body 28 as much as possible.Furthermore, the engagement portion 20 formed at the rear end of the guide surface 19 is formed in a shape with which the projection 33 can be engaged,
Moreover, the engaging portion 20 is configured to press the protrusion 33 in a state in which the lamp pin 34 is press-fitted into the lamp pin insertion hole 30.

FIG. 8 shows the attachment / detachment posture of the single base fluorescent lamp 10 formed by rotating the plug receiving body 11 in an inclined posture with respect to the supporting body 12. In this state, the fitting portion 25 of the stopper 8 is formed by the end surface of the locking projection 31 and the outer surface of the main body 29.
It fits in the groove. Therefore, the end surface of the locking projection 31 comes into contact with the stopper 8, the plug receiver 11 does not rotate in the direction of arrow A, and the stopper 8 presses the main body 29, so that the direction of arrow B is reached. Also does not rotate. In this way, the lamp pin 34 is inserted into the lamp pin insertion hole 30 of the plug receiver 11 held in the attached / detached posture without load, and the single-base fluorescent lamp 10 is connected.

After connecting the single base fluorescent lamp 10, as shown in FIG. 9, the plug receiver 11 is rotated in the arrow direction. Then, the fitting portion 25 of the stopper 8 rides over the end of the locking ridge 31 and moves along the outer surface of the locking ridge 31, and the base 3
The second protrusion 33 moves along the guide surface 19 ′ of the elastic engagement element 19.

When further rotated, finally, as shown in FIG. 10, the protrusion 33 engages with the engaging portion 20 of the elastic connector 19, the lamp pin 34 is press-fitted into the lamp pin insertion hole 30, and the lamp pin 34 moves to the fourth position. The contact plate 3 is pressed by pressing the push-up spring 38 in the figure.
7 electrically contacts. The single-base fluorescent lamp 10 is in a predetermined posture to be turned on, and the elastic holding mechanism 13 including the elastic engaging elements 19 and the protrusions 33 elastically holds the single-base fluorescent lamp 10. In this predetermined posture, the spring force is set so that the stopper 8 does not press the plug receiving body 11 to rotate in the attaching / detaching posture, and the tip of the stopper 8 and the center of the shaft body 28 are set. The distance between them is set to be short so that the moment is also small.

The single-base fluorescent lamp 10 is removed in the reverse order.

Further, when an excessive force acts on the single-base fluorescent lamp 10 and the plug receiver 11 in the direction opposite to the predetermined posture, the fitting portion 25 of the stopper 8 is released from being fitted in the V groove portion, and the fitting portion 25 is released. Slides along the outer surface of the main body 29, and the attachment / detachment posture of the plug receiver 11 is released. According to the socket for a single-base fluorescent lamp configured as described above, when the single-base fluorescent lamp 10 is attached and detached, the plug receiver 11 is rotated in an inclined posture with respect to the support body 12, so that It can be easily attached and detached without being restricted by the narrow space surrounded by the reflector plate 46 and the main body plate.

Further, when the lamp pin 34 of the single-base fluorescent lamp 10 is inserted into the lamp-pin insertion hole 30 of the plug receiving body 11 with no load, and the single-base fluorescent lamp 10 is rotated to a predetermined posture to be lit, the single-base fluorescent lamp 10 is The protrusion 33 is the elastic engaging element 1.
9 slides along the guide surface 19 ′ of 9 to engage with the engaging portion 20, and the lamp pin 34 is press-fitted into the lamp pin insertion hole 30. In this way, the operator only has to insert the lamp pin 34 into the lamp pin insertion hole 30 without a load, so that the mounting operation does not take time. Moreover, since the lamp pin 34 is press-fitted into the lamp pin insertion hole 30 when the lamp pin 34 is rotated to the predetermined posture, the electric connection can be surely made.

Further, after mounting the single-base fluorescent lamp 10 on the plug receiving body 11, the plug receiving body 11 is rotated together with the single-base fluorescent lamp 10 into a predetermined posture to be turned on. In this predetermined posture, the elastic holding mechanism 13 causes the single base fluorescent lamp 10 to operate.
Is elastically held, the attitude of the single-base fluorescent lamp 10 is highly stable. Further, the posture of the plug receiving body 11 which is rotatable with respect to the support body 12 is also stabilized.

[Effect of device]

According to the socket for a single base fluorescent lamp of the present invention, the following effects can be obtained.

When the single base fluorescent lamp is attached to or detached from the plug receiving body, the plug receiving body is rotated to convert the lamp attaching / detaching direction of the plug receiving body into a direction orthogonal or inclined to the reflector. By doing so, the single-base fluorescent lamp can be easily attached and detached at a position where it is not constrained by the narrow space surrounded by the reflector and the body plate.

Also, when the lamp pin of the single-ended fluorescent lamp is inserted into the lamp-pin insertion hole of the plug receiver with no load, and the single-ended fluorescent lamp is rotated to a predetermined position to turn on, the projection of the single-ended fluorescent lamp becomes the elastic engagement element. The lamp pin slides along the guide surface and engages with the engaging portion, and the lamp pin is press-fitted into the lamp pin insertion hole. In this way, the operator only has to insert the lamp pin into the lamp pin insertion hole with no load, so that the mounting operation does not take time. Moreover, since the lamp pin is press-fitted into the lamp pin insertion hole when the lamp pin is rotated to the predetermined posture, the electrical connection can be surely obtained. Further, when the single-ended fluorescent lamp of the plug receiver is attached or detached, the stopper fitting portion is locked to the end of the locking projection and the rotation of the plug receiver is held in a state regulated by the stopper. The attachment / detachment of the single-base fluorescent lamp can be further facilitated. Further, when the mouthpiece projection is engaged with the elastic engaging element, the fitting portion of the stopper approaches the rotation center side of the plug receiving element, so that the moment applied to the plug receiving element is small and the influence of the detachment from the elastic engaging element is reduced. rare. On the other hand, when rotating the single-base fluorescent lamp to remove the base protrusion from the elastic engaging element, the elastic action of the stopper pushes the fitting part while sliding the locking protrusion, so that the plug receiving body can be attached or detached. It becomes easy to rotate.

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a perspective view of its support, FIG. 3 is a perspective view of its plug receiver, and FIG. 4 is a back view of the plug receiver. FIG. 5 is an exploded perspective view, FIG. 5 is a front view of the plug receiving body as viewed from the back side, FIGS. 6 and 7 are perspective views showing a mounting state of the supporting body, and FIG. FIG. 9 is a side view showing the operation, FIG. 10 is a side view of the predetermined posture, FIG. 11 is a perspective view of a modified example of the mounting state of the support body, and FIG. 12 is a side view of a conventional example. . 8 …… Stopper, 10 …… One-sided fluorescent lamp, 11 ……
Plug receiving body, 12 ... Supporting body, 13 ... Elastic holding mechanism, 1
9 ... Elastic engaging element, 19 '... Guide surface, 20 ... Engaging portion, 25 ... Fitting portion, 30 ... Lamp pin insertion hole, 31
...... Locking ridges, 32 …… Mouthpieces, 33 …… Mouthpiece projections, 3
4 ... Lamp pin

Claims (1)

[Scope of utility model registration request] 1. A single base fluorescent lamp having a lamp pin on an end face of a base and a base protrusion on a side surface of the base, the support being rotatable with respect to the support by a shaft. A plug receiver that is rotatably supported, has a lamp pin insertion hole for inserting the lamp pin on one end surface, and has a locking projection on the rear surface in the rotation direction, and the plug receiver provided on the support body. An elastic holding mechanism having an elastic engaging element that engages with the base protrusion in a predetermined posture of a single-base fluorescent lamp connected to the base, and the support body formed by a leaf spring, one end of which faces the locking protrusion. Attached to the lamp pin insertion hole side of the opposing surface of the other end, the bent fitting portion at the other end extends to the rotation center side of the plug receiving body, and slidably elastically contacts the surface of the locking protrusion. And whether the protrusion of the base is the elastic engaging element A stopper that elastically locks to the end of the locking protrusion when the single-base fluorescent lamp is in a tilted position, the base in the vicinity of the start end when the lamp pin is inserted into the lamp pin insertion hole without load. A guide surface, which is coincident with the rotation locus of the projection and whose rear end side is inclined toward the rotation axis of the plug receiving body from the rotation locus, is provided on the elastic engaging element, and is located at the end of the guide surface. A socket for a single-base fluorescent lamp, wherein the elastic engaging member is provided with an engaging portion for engaging the base projection in a state where the lamp pin is press-fitted into the lamp pin insertion hole.