CN218216031U

CN218216031U - Screw lamp holder

Info

Publication number: CN218216031U
Application number: CN202222053853.4U
Authority: CN
Inventors: 吴立煌
Original assignee: Xiamen Walklong Electrical Co ltd
Current assignee: Xiamen Walklong Electrical Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-03
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a screw lamp holder, which comprises an insulating shell, a live wire conductive component and a zero line conductive component; the insulating shell is provided with a lamp holder connecting groove and a wiring groove; the inner wall of the lamp holder connecting groove is integrally formed with an internal thread; live wire conducting part and zero line conducting part are the interval assembly in lamp holder connecting groove bottom, and all include the elastic contact piece that extends to in the lamp holder connecting groove and expose the wiring portion in the wiring groove, the elastic contact piece of live wire conducting part is to the middle part position bending extension of lamp holder connecting groove, zero line conducting part's elastic contact piece is close to the lateral wall of lamp holder connecting groove. Therefore, the structure of the screw lamp holder is greatly simplified; the assembly process is reduced, unnecessary connecting pieces are reduced, and the cost is reduced.

Description

Screw lamp holder

Technical Field

The utility model relates to the field of lighting fixtures, concretely relates to screw socket.

Background

The existing screw socket has the following defects: 1. the spiral structure used for connecting the lamp holder is directly prepared by adopting a conductive metal part, namely the spiral structure is used as a zero line conductive part and a spiral fixing structure at the same time; therefore, a metal stretching process is required for forming, the process is complex, and the cost is high; the zero line and live wire conductive parts are formed by connecting and fixing a plurality of metal parts, the parts are generally fixed by locking screws, the parts are various, the combination process is relatively complex, the efficiency is low, and the connection effect is not ideal; 2. and an insulating area for assembling the live wire conductive part is also isolated at the bottom of the zero wire conductive part, so that the structural design is complicated.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses, a screw lamp stand adopts a new layout structure to fine the problem of avoiding the aforesaid to appear.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a screw lamp holder comprises an insulating shell, a live wire conductive part and a zero wire conductive part; the insulating shell is provided with a lamp cap connecting groove and a wiring groove; the inner wall of the lamp holder connecting groove is integrally formed with an internal thread; the live wire conductive part and the zero wire conductive part are assembled at the bottom of the lamp holder connecting groove at intervals and respectively comprise an elastic contact piece extending into the lamp holder connecting groove and a wiring part exposed out of the wiring groove, the elastic contact piece of the live wire conductive part bends and extends towards the middle position of the lamp holder connecting groove, and the elastic contact piece of the zero wire conductive part is close to the side wall of the lamp holder connecting groove.

Furthermore, the bottom of the lamp holder connecting groove is also convexly extended with a butt boss corresponding to the elastic contact piece of the live wire conductive part.

Furthermore, a yielding concave part is formed in the side wall of the lamp holder connecting groove, and the elastic contact piece of the zero line conductive part corresponds to the yielding concave part on the side wall of the lamp holder connecting groove.

Furthermore, the wiring part is of a square structure and is provided with a screw.

Further, two mounting grooves have been seted up to the bottom of lamp holder spread groove, the boss that corresponds the mounting groove still protrudes in the wiring groove, the opening that link up the mounting groove is all seted up to the top and the lateral wall of boss, wiring portion assemble in the mounting groove, the screw penetrates through the open-top of boss and connects wiring portion.

Further, be provided with the elasticity barb on two lateral walls of wiring portion, wiring portion realizes fixed mounting through elasticity barb elasticity butt on the lateral wall of mounting groove.

Furthermore, the opening position of mounting groove still is provided with the spacing step that is used for blockking that the elasticity barb deviates from.

Further, a cylindrical boss is further arranged on the side wall of the bottom of the wiring portion, an internal thread is arranged on the cylindrical boss, and the screw is assembled in the cylindrical boss.

Furthermore, the live wire conductive part and the zero wire conductive part are formed by integrally bending metal sheets.

Furthermore, the metal sheet is provided with a first section and a second section which are connected, the first section is used as an elastic contact piece, and the second section is bent to form a square wiring part; and two sides of the tail end of the second section are folded to further fixedly hold the first section.

Through the utility model provides a technical scheme has following beneficial effect:

an internal thread is integrally formed by the insulating shell so as to be fixedly connected with the lamp holder; the contact part of the zero line and the live line is directly realized by adopting the live line conductive part and the zero line conductive part which are arranged at the bottom, and the scheme provided by the application abandons the existing complex structural layout and greatly simplifies the structure of the screw lamp holder; the assembly process is reduced, unnecessary connecting pieces are reduced, and the cost is reduced. The defects in the existing structure (namely the defects in the background art) are effectively avoided.

Drawings

FIG. 1 is a schematic perspective view of a screw base in an embodiment;

FIG. 2 is an exploded view of the screw base of the embodiment;

FIG. 3 is a cross-sectional view of a screw base in an embodiment;

FIG. 4 is a schematic structural diagram of an insulating housing according to an embodiment;

FIG. 5 is a schematic structural diagram of the insulating housing of the embodiment at another angle;

FIG. 6 is a schematic view of the configuration of the neutral conductive member of the embodiment;

FIG. 7 is a schematic diagram of the structure of the live wire conductive member in the embodiment.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 7, the present embodiment provides a screw lamp socket including an insulating housing 10 and a conductive member 20; specifically, the insulating housing 10 is a plastic housing formed by injection molding, and is easy and convenient to manufacture. The insulating case 10 has a cap connecting groove 11 and a wiring groove 12; the inner wall of the base connecting groove 11 is integrally formed with an internal thread. The number of the conductive parts 20 is two, namely a live conductive part 21 and a neutral conductive part 22; the live wire conductive part 21 and the neutral wire conductive part 22 are arranged at the bottom of the lamp holder connecting groove 11 at intervals, and both comprise an elastic contact piece 201 extending into the lamp holder connecting groove 11 and a wiring part 202 exposed out of the wiring groove 12, and specifically, the elastic contact piece 201 and the wiring part 202 defining the live wire conductive part 21 are a live wire contact piece 211 and a live wire wiring part 212 respectively; the resilient contact 201 and the wire connecting portion 202 of the neutral conductive member 22 are a neutral contact 221 and a neutral wire connecting portion 222, respectively.

The elastic contact 201 (i.e. the live wire contact 211) of the live wire conductive part 21 is bent and extended towards the middle of the lamp holder connecting slot 11, and the elastic contact 201 (i.e. the neutral wire contact 221) of the neutral wire conductive part 22 is close to the side wall of the lamp holder connecting slot 11.

When the device is installed, the live wire and the neutral wire are respectively connected with the live wire connection part 212 and the neutral wire connection part 222 through the connection slot 12 of the insulating shell 10; and then fixing the insulating shell 10 to complete the assembly of the screw lamp holder.

When in use, the lamp cap of the bulb is screwed into the internal thread of the lamp cap connecting groove 11 of the screw lamp holder and is directly fixed with the insulating shell 10; after the screwing connection is completed, the live wire contact piece 211 positioned in the middle of the bottom is directly abutted against the positive contact point in the center of the lamp holder, and the zero wire contact piece 221 positioned on the side is abutted against the negative contact point of the lamp holder, so that the mechanical connection and the electrical connection between the screw lamp holder and the lamp are realized.

According to the scheme provided by the application, the existing complex structural layout is abandoned, and the structure of the screw lamp holder is greatly simplified; the assembly process is reduced, unnecessary connecting pieces are reduced, and the cost is reduced.

Further, in the present embodiment, the bottom of the base connecting groove 11 is further protruded with an abutting boss 113 corresponding to the elastic contact 201 (i.e. the live contact 211) of the live conductive member 21. So set up, after the lamp holder screw in, the anodal contact of lamp holder can the butt on live wire contact piece 211 and drive live wire contact piece 211 deformation of buckling downwards, until support on butt boss 113, so, realize the stationary contact of the anodal contact of live wire contact piece 211 and lamp holder, prevent that live wire contact piece 211 from producing elastic fatigue and causing the contact unstability.

Further, in this embodiment, the side wall of the base connecting groove 11 is provided with a recess 112, and the resilient contact 201 (i.e., the neutral contact 221) of the neutral conductive part 22 corresponds to the recess 112 on the side wall of the base connecting groove 11. With such an arrangement, the yielding concave portion 112 can yield the deformation of the zero line contact piece 221, so as to achieve better contact.

Further, in the present embodiment, the wire connection portion 202 has a "square" shape and is fitted with the screw 30. During wiring, the live wire or the zero wire is inserted through the lateral opening of the wiring part 202, and then the screw 30 is rotated to clamp and fix the inserted live wire or the zero wire.

In order to realize stable assembly of the screw 30, in the present embodiment, a cylindrical boss 203 is further provided on a bottom side wall of the wire connecting portion 202, the cylindrical boss 203 is also provided with an internal thread, and the screw 30 is assembled in the cylindrical boss 203; thus, stable assembly of the screw 30 can be well achieved; and the structure is simple.

Further, in this embodiment, the live wire conductive part 21 and the neutral wire conductive part 22 are formed by integrally bending a metal sheet, that is, the metal sheet is divided into two sections, a first section is used as the elastic contact piece 201, and a second section is bent to form a "square" shaped wire connection part 202; two sides of the tail end of the second section are folded in half so as to fixedly hold the first section; the preparation is simple.

Specifically, the cylindrical boss 203 is a hollow cylinder formed by deforming, drawing, and flanging a metal sheet.

Preferably, in the present embodiment, the assembly structure of the conductive member 20 is: two mounting grooves 13 have been seted up to the bottom of lamp holder connecting groove 11, still protruding boss 121 that has corresponding mounting groove 13 in the wiring groove 12, the opening that link up mounting groove 13 is all seted up to the top and the lateral wall of boss 121, wiring portion 202 assemble in mounting groove 13, screw 30 penetrates through the open-top 122 of boss 121 and connects wiring portion 202, during the wiring, live wire or zero line insert to wiring portion 202 in through the side direction opening 123 of boss 121, later realize fixing through rotatory screw 30.

Further, in order to better fix the wire connecting portion 202 in the mounting groove 13, in this embodiment, elastic barbs 204 are disposed on two sidewalls of the wire connecting portion 202, and the wire connecting portion 202 is elastically abutted against the sidewalls of the mounting groove 13 through the elastic barbs 204 to achieve fixed assembly. The assembly is simple, convenient and stable, other fixed connecting pieces are not needed, and the cost is low.

More specifically, in order to make the assembly more stable, in this embodiment, the opening position of the mounting groove 13 is further provided with a limiting step 131 for blocking the elastic barb 204 from coming off.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A screw lamp holder is characterized in that: the device comprises an insulating shell, a live wire conductive part and a zero line conductive part; the insulating shell is provided with a lamp cap connecting groove and a wiring groove; the inner wall of the lamp holder connecting groove is integrally formed with an internal thread; live wire conducting part and zero line conducting part are the interval assembly in lamp holder connecting groove bottom, and all include the elastic contact piece that extends to in the lamp holder connecting groove and expose the wiring portion in the wiring groove, the elastic contact piece of live wire conducting part is to the middle part position bending extension of lamp holder connecting groove, zero line conducting part's elastic contact piece is close to the lateral wall of lamp holder connecting groove.

2. The screw base of claim 1, wherein: the bottom of the lamp holder connecting groove is also convexly extended with an abutting lug boss corresponding to the elastic contact piece of the live wire conductive part.

3. The screw base according to claim 1, wherein: the side wall of the lamp holder connecting groove is provided with a yielding concave part, and the elastic contact piece of the zero line conductive part corresponds to the yielding concave part on the side wall of the lamp holder connecting groove.

4. The screw base of claim 1, wherein: the wiring portion is of a square-shaped structure and is provided with screws.

5. The screw base according to claim 4, wherein: two mounting grooves have been seted up to the bottom of lamp holder spread groove, the boss that corresponds the mounting groove still has to be protruding in the wiring groove, the opening that link up the mounting groove is all seted up to the top and the lateral wall of boss, wiring portion assemble in the mounting groove, the screw penetrates and connects through the open-top of boss wiring portion.

6. A screw base according to claim 5, wherein: be provided with the elasticity barb on two lateral walls of wiring portion, wiring portion realizes fixed mounting through elasticity barb elasticity butt on the lateral wall of mounting groove.

7. The screw base of claim 6, wherein: the opening position of mounting groove still is provided with the spacing step that is used for blockking that the elasticity barb deviates from.

8. The screw base according to claim 4, wherein: the bottom side wall of the wiring portion is further provided with a cylindrical boss, the cylindrical boss is provided with internal threads, and the screw is assembled in the cylindrical boss.

9. A screw lamp holder according to claim 1 or 4, wherein: the live wire conductive part and the zero wire conductive part are formed by integrally bending metal sheets.

10. The screw base of claim 9, wherein: the metal sheet is provided with a first section and a second section which are connected, the first section is used as an elastic contact sheet, and the second section is bent to form a square wiring part; and two sides of the tail end of the second section are folded to further fixedly hold the first section.