JPH0619164Y2 - Lamp socket - Google Patents

Description

TECHNICAL FIELD The present invention relates to a lamp socket.

[Background technology]

When the base of the lamp is inserted into the lamp socket and attached to the lamp socket by rotation, the socket body also rotates, so that the socket body 51 must be rotatably supported by the ring 50 as shown in FIG. In this case, the ring 50 holds the socket body 51 rotatably by connecting the two axially divided members 52 and 53 with screws 54.

However, there is a drawback that the assembly becomes complicated.

[Purpose of device]

An object of the present invention is to provide a lamp socket that is easy to assemble.

[Disclosure of device]

The lamp socket of the present invention has a plurality of plug receivers each having an insertion hole for inserting a lamp pin of a lamp base and a contactor inside the insertion hole, and these plug receivers are detachably mounted. Socket body having a plurality of recesses in the circumferential direction and provided with locking projections and elastic projections for positioning on the outer periphery, and the locking projections on the inner periphery of the fitting recess into which the socket body is inserted. A ring having an insertion groove to be inserted therein and a guide groove continuous with the insertion groove for guiding the locking projection in a circumferential direction so as to be movable, and the locking projection formed on the ring. A positioning groove in which the elastic protrusion is elastically locked at a position guided by the guide groove, and the base is inserted into the fitting recess and the locking is formed so that the lamp pin is inserted into the insertion hole formed in the ring. Convex Locking projection of said mouthpiece is that a locking pawl for locking by rotating the mouthpiece within a scope that is guided by the serial guide groove.

According to the structure of the present invention, the socket body can be inserted and rotated by the insertion groove and the guide groove provided in the ring, so that the assembly becomes easy. Moreover, since the elastic projection is elastically locked in the positioning groove, the socket body is less likely to come off the ring and the lamp pin is positioned when the lamp pin is inserted into the insertion hole, so that the lamp can be easily mounted. Further, since the socket body is provided with the recess for detachably mounting the plurality of plug receivers for mounting the lamp pins of the plurality of lamps, the plug receivers can be easily assembled into the socket body.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 9. That is, the lamp socket is
A plurality of plug receivers 7 each having an insertion hole 4 for inserting the lamp pin 1 of the base 2 and having a contactor 5 inside the insertion hole 4, and these plug receivers 7 are detachably mounted. Recess 8
Socket body having a plurality of circumferentially extending projections 22 and elastic projections 24 for positioning, and the locking projections on the inner circumference of the fitting recess 23a into which the socket body 9 is inserted. A ring 23 formed with an insertion groove 33 into which 22 is inserted and a guide groove 34 which is continuous with the insertion groove 33 and which guides the locking projection 22 movably in the circumferential direction. Positioning groove 31 in which the elastic projection 24 elastically locks at a position where the locking projection 22 is guided by the guide groove 34, and the lamp pin 1 and the insertion hole 4 formed in the ring 23.
By inserting the base 2 into the fitting concave portion 23a and rotating the base 2 within a range in which the locking projection 22 is guided by the guide groove 34, the locking projection of the base 2 is inserted. The locking claw 27 for locking 12 is provided.

As the lamp 11, three U-shaped fluorescent lamps that emit red, green and blue colors are made variable, and are held by the base 2.

The plug receiver 7 includes a columnar main body 13, a cap 14,
It is composed of a contactor 5 and a contact pressure spring 6. Body 1
Reference numeral 3 penetrates through the four insertion holes 4, a contact locking step (not shown) is formed on the lamp pin insertion side, and a pair of protrusions 15 is formed on the outer peripheral portion. The contact 5 is soldered to the lead wire 16 and is inserted into the insertion hole 4 from the side opposite to the contact locking step so that the contact 5 contacts the contact locking step. The contact pressure spring 6 is a coil spring, and the lead wire 1
6, one end of which is locked to the contactor 5 and is inserted into the insertion hole 4. The cap 14 has a hole 17 through which the lead wire 16 is inserted, and a protrusion 18 for receiving the other end of the contact pressure spring 6. When the lamp pin 1 is inserted into the insertion hole 4, the tip of the lamp pin 1 contacts the contact 5
Abut and push it. The contactor 5 retracts and the contact pressure spring 6
And the contact pressure is applied.

The recessed portion 8 of the socket body 9 projects cylindrically on the outer bottom surface side, forms a hole 21 through which the lead wire 16 passes, and forms a groove 19 through which the projection 15 passes, on the side portion thereof.
A locking recess 20 is formed continuously with the groove 19 in the rotational direction. The cap 14 of the plug receiver 7 is fitted into the recess 8 and the main body 13
Is inserted and the projection 15 is locked in the locking recess 20 through the groove 19. At this time, the contact pressure spring 6 is compressed and the projection 15 is locked in the locking recess 20.

The elastic convex portion 24 has a hard sphere 24a and a spring 25 as an example, and the accommodating portion 2 formed on the outer peripheral portion of the socket body 9.
The hard sphere 24a is housed in the state of 6 protruding.

Rings 23 are attached to the bottom of the inner circumference at three equal positions.
6 are formed between the mounting portions 26 on the inner peripheral portion, and the locking claws 27 for fixing the base 2 and the guide protrusions 28 to 30 for rotatably holding the socket body 9 are formed.
The insertion groove 33 and the guide groove 34 are the guide protrusions 28 to
The guide protrusions 28 are formed on the insertion side of the socket body 9, and the guide protrusions 29 and 30 are formed on the bottom side at intervals corresponding to the height of the locking projection 22 in the insertion direction. . As shown in FIG. 3, the positioning groove 31 has a large inclination on the side portion 31a on the insertion groove 33 side to prevent the locking projection 22 from rotating toward the insertion groove 33 side, and on the opposite side portion. 31b has a gentle slope to facilitate rotation. Reference numeral 32 is a stopper that restricts the rotation range when the socket body 9 is rotated in the direction opposite to the insertion groove 33.

When the socket body 9 is inserted into the ring 23, the locking projection 22 is passed through the insertion groove 33 on the side of the guide projection 28 as shown in FIG. , 30 in the guide groove 34, and is guided by the guide groove 34 by rotation as shown in FIG.
At this time, the rigid ball 24a is locked in the positioning groove 31 to position the socket body 9 so that the lamp 11 can be inserted and removed. Further, the base 2 is fitted in the ring 23, and the locking projection 12 is locked to the locking claw 27 by rotation.
At this time, the lamp pin 1 enters the insertion hole 4, pushes the contact 5 and rotates the base 2 to rotate the socket body 9
Rotates as shown in FIGS. 3 to 4, and the lamp is mounted. This rotation range is set so that the locking projection 22 is guided by the guide groove 34.

According to this embodiment, the insertion groove 3 provided in the ring 23
Since the socket body 9 can be inserted and rotated by the 3 and the guide groove 34, the assembly becomes easy. Moreover, since the elastic protrusion 24 is elastically locked in the positioning groove 31, the socket body 9 is less likely to come off the ring 23, and the lamp pin 1 is positioned when the insertion hole is inserted into the insertion 4, so that the lamp can be easily mounted.

More specifically, since there is a click feeling when the elastic convex portion 24 engages with the positioning groove 31, the operability is good, and the elastic convex portion 24 makes elastic contact, so that the socket body 9 can be smoothly rotated, and the elastic elasticity can be improved. The ring 23 by the convex portion 24
Since the proper pressure is applied to the lamp, the rotation when the lamp is attached is smooth and the rotation is neither heavy nor light.

Further, since the socket body 9 is provided with the recess 8 for detachably mounting the plurality of plug receivers 7 for mounting the lamp pins 1 of the plurality of lamps 11, the plug receivers 7 can be easily assembled into the socket body 9.

FIG. 10 shows another embodiment, in which the elastic convex portion 24 is formed of a leaf spring, and the bent portion 35 which is engaged with the positioning groove 31 is formed at the tip thereof.

FIG. 11 shows still another embodiment, in which an elastic convex portion is formed of a leaf spring and a hemispherical convex portion 35 'is formed at the tip thereof.

[Effect of device]

According to the lamp socket of the present invention, since the socket body can be inserted and rotated by the insertion groove and the guide groove provided in the ring, the assembly becomes easy. Moreover, since the elastic protrusion is elastically locked in the positioning groove,
The socket body does not easily come off the ring and the lamp pin is positioned when it is inserted into the insertion hole, which facilitates the mounting of the lamp. Further, since the socket body is provided with the recess for detachably mounting the plurality of plug receivers for mounting the lamp pins of the plurality of lamps, there is an effect that the plug receivers can be easily assembled into the socket body.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention, FIG. 2 is a schematic partial plan view of a socket body inserted, FIG. 3 is a schematic plan view of a positioned state, and FIG. 4 is a schematic view when a lamp is mounted. A plan view, FIG. 5 is a bottom view of the ring, FIG. 6 is a developed view of the ring, FIG. 7 is a plan view of the ring, and FIG.
VIII line sectional view, FIG. 9 is a IX-IX line sectional view of FIG. 7, 1
FIG. 0 and FIG. 11 are perspective views of a socket body of another embodiment, and FIG. 12 is a sectional view of the proposed example. 1 ... Lamp pin, 2 ... Base, 4 ... Insertion hole, 5 ...
Contact, 7 ... Plug receiver, 8 ... Recess, 9 ... Socket body, 11 ... Lamp, 12 ... Locking projection, 22 ... Locking projection, 23 ... Ring, 23a ... Fitting Mating recess, 24 ...
… Elastic projections, 27 …… Locking claws, 31 …… Positioning grooves, 3
3 ... Insert groove, 34 ... Guide groove

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 62-53586 (JP, U) Shoko 58-48782 (JP, Y1) Shoko 37-16071 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. A plurality of plug receivers each having an insertion hole for inserting a lamp pin of a lamp base and a contactor inside the insertion hole, and a recess for detachably mounting these plug receivers. A plurality of sockets in the circumferential direction and a locking projection and an elastic projection for positioning on the outer circumference, and the locking projection is inserted into the inner circumference of the fitting recess into which the socket body is inserted. A ring having an insertion groove and a guide groove continuous with the insertion groove for guiding the locking projection in the circumferential direction so as to be movable, and the locking projection formed on the ring has the guide groove. A positioning groove in which the elastic projection is elastically locked at a position guided by the ring, and the base is inserted into the fitting recess so as to insert the lamp pin into the insertion hole formed in the ring and the locking projection. In the guide groove Lampholders engaging protrusion of the mouthpiece and a locking pawl for locking by rotating the mouthpiece in de range.