JPH10270137A - Lamp socket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lamp socket capable of reducing cost and improving assembling workability by enabling installation of a socket main body on a panel. SOLUTION: A connector is provided in the back portion of a socket main body 1 which is inserted into a panel 2 and which is attached fixedly thereto. The socket main body 1 is formed with a flange 4 abutting on the back face of the panel 2, and a boss part 6 is formed at the front of the flange 4. A retaining nail 7 engaged with the front of the panel 2 is provided in a protruding manner at several positions of an outer peripheral part in the boss part 6. A cut-away portion with the retaining nail 7 passed therethrough is formed at the inner edge of a socket mounting hole 3, and the boss part 6 and the retaining nail 7 are inserted into the socket mounting hole 3. With this state, the socket main body 1 is angularly moved to support the panel 2 by pinching it between the flange 4 and the retaining nail 7 so that the socket main body 1 is fixedly engaged to the panel 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a socket used for mounting a lamp such as a pachinko machine or a game machine.

[0002]

2. Description of the Related Art In a conventional socket structure used for mounting the lamp, as shown in FIG. 13, a printed circuit board 22 is fixed to a back surface of a panel 21 by a screw or the like via a spacer 23, and a flange 24 and a lock are provided. The socket body 26 having the pawl 25 is inserted into the printed circuit board 22, rotated and locked and fixed, and the lamp 28 is inserted into the socket body 26 through the lamp mounting hole 27 of the panel 21, and the socket body 2
The electrode terminal of the lamp 28 is brought into contact with the connection terminal provided in the connector 6. Reference numeral 29 denotes a light-transmitting cover attached to the front surface of the panel 21.

[0003] Here, on the front surface of the flange 24 of the socket body 26, contact pieces 30 connected from respective connection terminals in the socket body 26 are provided, and the socket body 26 is locked to the printed circuit board 22 as described above. In a fixed state,
The tip projection of each contact piece 30 is elastically pressed against the circuit pattern formed on the printed circuit board 22 to form a lamp energizing circuit, and the socket body 26 is pressed by the contacting action between both contact pieces 30 and the printed circuit board 22. Are maintained in a fixed state.

[0004]

In the above-mentioned conventional structure, it is necessary to attach the printed board 22 to the back of the panel 21 by screws or the like, and to connect the wiring derived from the lamp driving circuit unit to the printed board 22. In addition, the number of parts is increased, and the assembling is troublesome.

The present invention has been made in view of such a point, and enables the socket body to be directly attached to the panel without requiring a printed circuit board, thereby reducing costs and assembling work. A main object is to obtain a lamp socket capable of improving the performance.

[0006]

In order to achieve the above object, the present invention has the following arrangement.

According to a first aspect of the present invention, a lamp mounting hole is formed on the front surface of a socket body made of an insulating resin material, and a pair of connections corresponding to a pair of terminals provided on the lamp are provided inside the lamp mounting hole. A lamp socket incorporating a terminal, wherein the socket body is configured to be able to engage with a socket mounting hole of the panel, and a lead terminal extending from the connection terminal is provided on a socket body protruding from the back of the panel. And a connector provided with the connector.

According to a second aspect of the present invention, in the first aspect of the invention, a flange is formed on the socket body so as to be in contact with the back surface of the panel, and a boss portion is provided on the front surface of the flange so as to be inserted into the socket mounting hole of the panel. Together with
Engagement claws for engaging the front surface of the panel are protruded at a plurality of locations on the outer peripheral portion of the boss portion, and cutouts for passage of the engagement claws are formed on the inner edge of the socket mounting hole. In addition, the socket body is rotated while the locking claw is inserted, so that the panel is sandwiched and locked between the flange and the locking claw.

According to a third aspect of the present invention, in the second aspect of the present invention, a plurality of raised portions which are pressed against the rear surface of the panel are integrally formed at a plurality of positions on the front surface of the flange.

[0010] The invention according to claim 4 is the invention according to claims 1 to 3.
In the invention described in any one of the above, a projection for receiving a tip of an insertion end of the lamp is provided on a bottom surface of the lamp mounting hole formed in the socket body.

The invention according to claim 5 is characterized in that, in the invention according to claim 4, the projection is also used as a positioning pin at the end on the insertion side of the connection terminal.

[0012]

According to the structure of the first aspect, the socket main body can be directly mounted on the panel without the intervention of the printed circuit board, and the connection between the socket main body and the lamp driving unit or the like is performed via the connector.

According to the second aspect of the present invention, when the socket body is directly mounted on the panel, first, the boss portion of the socket body and the locking claw are inserted into the socket mounting holes of the panel.
Then, simply by rotating the socket body, the panel can be clamped between the flange of the socket body and the locking claw, and the socket body can be attached to the panel with one touch. The same applies to removal.

According to the third aspect of the present invention, when the socket main body is mounted on the panel as described above, the raised portion provided on the front surface of the flange is pressed against the rear surface of the panel, and the socket main body has no play. Further, it is fixed and held in a state where it does not rotate freely.

According to the fourth aspect of the present invention, when the lamp is inserted into the lamp mounting hole of the socket main body, the tip of the insertion end abuts on a projection provided on the bottom surface of the lamp mounting hole to restrict the insertion. The relative position between the electrode terminal provided in the portion and the connection terminal provided in the lamp mounting hole is ensured.

According to the fifth aspect of the present invention, the projection for positioning the lamp also functions as a pin for positioning the connection terminal, thereby preventing the connection terminal from being unduly deformed or displaced in the lamp mounting hole. .

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which the present invention is used for mounting a lamp on a pachinko machine or a game machine panel will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view of a lamp mounting portion, FIGS. 2 and 3 are a vertical side view and a cross-sectional plan view of a mounted state, and FIGS. 4 and 5 are a vertical side view and a cross-sectional plan view of a socket body. 6 and 7 are a front view and a rear view of the socket body.

The socket body 1 used here is formed of an insulating resin material, and is provided with a flange 4 having a larger diameter than the socket mounting hole 3 formed in the panel 2, and a front face of the flange 4. A boss 6 is formed to engage the base of the light bulb in the lamp 5. A diagonal portion of the boss 6 is notched and opened, and a pair of hook-shaped locking claws 7 protrude from the outer periphery of the boss.

As shown in FIG. 1, a pair of notches 3a through which both locking claws 7 pass are formed in the diagonal portion of the inner edge of the socket mounting hole 3 formed in the panel 2. With the front surface of the flange 4 contacting the rear surface of the panel 2 with the boss 6 and the locking claw 7 passing through the hole 3 and the notch 3a,
By rotating the whole, as shown in FIG. 2, the panel 2 is sandwiched between the front and back by the flange 4 and the pair of locking claws 7, and the socket body 1 is locked and fixed to the panel 2. .

Here, a circular low protruding portion 8 is formed at an appropriate position on the front surface of the flange 4, and the protruding portion 8 is strongly pressed against the back surface of the panel 2, so that the socket body 1 is firmly without any backlash. The panel 2 is locked and fixed to the panel 2.

The portion pressed into contact with the panel 2 in this manner is
It is made of an insulating resin material including the raised portions 8 and can be insulated from the conductive lines of the panel 2.

An insertion end portion 9 provided at the base of the light bulb portion of the lamp 5 is formed substantially flat, and a small-diameter cylindrical center guide portion 9a is formed at the center thereof, and flat portions 9b on both sides thereof are formed. Are extended so that the pair of electrode terminals 10 are located on mutually opposite surfaces. In addition, each flat portion 9b
Are formed on both sides. A rectangular lamp mounting hole 12 for receiving the insertion end 9 is formed in the front surface of the socket body 1 so as to be opened, and a center portion thereof is provided with an insertion end as shown in FIG. 5 or FIG. A pair of guide portions 13 for engaging and guiding the center guide portion 9a of the portion 9
Are provided so as to face each other.

At both ends of the lamp mounting hole 12,
As shown in FIG. 8, a pair of connection terminals 14 corresponding to a pair of electrode terminals 10 exposed at the insertion end 9 of the lamp 5 are press-fitted and secured. Each connection terminal 14 is formed by stamping and pressing a highly conductive metal plate material. The connection terminal 14 is inserted from the support portion 14 a press-fit along the inner end of the lamp mounting hole 12 to the insertion end of the lamp 5. And a pair of curved contact pieces 14 for elastically holding the two flat portions 9b.
2 is bent and extended in a cantilever manner. As shown in FIG. 2, one of a pair of opposed curved contact pieces 14b is inserted into contact with the electrode terminal 10 of the lamp 5 and the other curved contact piece 1
4b engages with the concave portion 11 to elastically prevent the lamp 5 from coming out.

From each curved contact piece 14b, an abutting end portion 14c that contacts the bottom surface of the lamp mounting hole 12 is extended, and one of the curved contact pieces 14b of both connection terminals 14 is connected to a lead terminal 14d. Has been extended.

On the bottom surface of the lamp mounting hole 12, there is formed a projection 15 for receiving and supporting the tip of the flat portion 9b of the insertion end 9 of the inserted lamp 5, thereby restricting the insertion limit of the lamp 5. The projection 15 is connected to the connection terminal 1.
4 is inserted between the opposing abutting ends 14c, and functions as a positioning pin for preventing the abutting end 14c and the curved contact piece 14b from being deformed closer than necessary.

On the back of the socket body 1, a male connector 16 is integrally formed, and the lead terminal 14
2, a female connector 17 wired and connected to a lamp driving circuit unit (not shown) is connected to the male connector 16 as shown in FIG.

Note that, as shown in FIG.
Are connected in parallel and mounted on the panel 2, the connectors 16 of the respective socket bodies 1 are sequentially connected via wires and connectors 17.

[Other Embodiments] The present invention can be modified and implemented in the following forms.

As shown in FIGS. 10 and 11, a front-side bridge portion 18 in which only both ends are connected to the flange 4 is formed on the flange 4 of the socket body 1, and this bridge portion 18 is placed on the front side of the flange. It is raised slightly to form a small projection 19 on the top. According to this configuration, when the panel 2 is sandwiched between the flange 4 and the locking claw 7, the bridge portion 18 is elastically deformed toward the flange rear side, and
The small projections 19 are strongly pressed against the back surface of the panel 2 to exert a sufficient clamping and fixing action.

As shown in FIG. 12, the connector 16 is formed on the peripheral surface of the socket body 1 by projecting the lead terminals 12 d extending from the connection terminals 12 to the side.

The structure for locking and fixing the socket main body 1 to the panel 2 includes, as described above, a means for inserting and rotating and locking the socket body 1 into the socket mounting hole 3 from the front side of the panel 2. Means for locking and fixing using a locking claw that can be elastically deformed can also be used.

[0033]

According to the first aspect of the present invention, since the socket body is directly mounted on the panel, the printed circuit board and components for mounting the same on the panel and the work of mounting the same are unnecessary, and the cost for mounting the lamp is reduced. Now you can do it. Further, since the wiring connection structure using the connector is employed, the wiring processing for soldering to the printed circuit board becomes unnecessary, and the workability at the time of assembly and disassembly can be improved.

According to the second aspect of the present invention, the socket body can be easily and quickly attached to the panel with one touch, which is effective when a large number of lamps are mounted, and promotes the above-mentioned effect of the first aspect of the present invention. I do.

According to the third aspect of the present invention, while the socket body can be mounted with a single touch as described above, it is possible to securely fix the socket body and to prevent mounting mistakes.

According to the fourth aspect of the present invention, even if the lamp is inserted into the socket body casually, it is possible to reliably mount the lamp in the predetermined positioning state, which is effective for improving workability.

According to the fifth aspect of the present invention, the positioning of the connection terminal is also performed by effectively utilizing the projection for positioning the lamp, so that the mounted lamp and the connection terminal can be accurately connected to each other with a simple structure which also serves as a member. , Which is effective for improving reliability.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lamp mounting portion.

FIG. 2 is a vertical sectional side view of a lamp mounting portion.

FIG. 3 is a cross-sectional plan view of a lamp mounting portion.

FIG. 4 is a longitudinal sectional side view of a socket body.

FIG. 5 is a cross-sectional plan view of the socket body.

FIG. 6 is a front view of the socket body.

FIG. 7 is a rear view of the socket body.

FIG. 8 is an exploded perspective view of a socket body and connection terminals.

FIG. 9 is a side view showing a wiring structure when a plurality of lamps are mounted.

FIG. 10 is a perspective view showing a socket body according to another embodiment.

FIG. 11 is a side view showing a socket body according to another embodiment.

FIG. 12 is a longitudinal sectional side view showing a socket body of still another embodiment.

FIG. 13 is a partially cutaway side view showing a conventional lamp mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Socket main body 2 Panel 3 Socket mounting hole 3a Notch 4 Flange 5 Lamp 6 Boss part 7 Locking claw 8 Raised part 9 Insertion end part 10 Electrode terminal 12 Lamp mounting hole 14 Connection terminal 14d Lead terminal 16 Connector

Claims (5)

[Claims] 1. A lamp mounting hole is formed on the front surface of a socket body made of an insulating resin material.
A lamp socket incorporating a pair of connection terminals corresponding to a pair of terminals provided in a lamp, wherein the socket body is configured to be engageable with a socket mounting hole of a panel and protruded from the back of the panel. A lamp socket, wherein a connector having a lead terminal extending from the connection terminal is provided on the socket body. 2. A socket body is provided with a flange which is in contact with the back surface of the panel, and a boss portion which is inserted into a socket mounting hole of the panel is formed on a front surface of the flange. Is provided with a notch for engaging with the front surface of the panel, a notch for passing the locking claw is formed at an inner edge of the socket mounting hole, and a boss portion and a locking claw are inserted into the socket mounting hole. The lamp socket according to claim 1, wherein the panel is held and locked between the flange and the locking claw by rotating the socket body. 3. The lamp socket according to claim 2, wherein ridges pressed against the rear surface of the panel are integrally formed at a plurality of positions on the front surface of the flange. 4. The lamp according to claim 1, wherein a projection for receiving a tip of an insertion end of the lamp is provided on a bottom surface of the lamp mounting hole formed in the socket body. socket. 5. The lamp socket according to claim 4, wherein said projection is also used as a positioning pin at an insertion-side end of said connection terminal.