CN217588768U

CN217588768U - Keyboard switch connector

Info

Publication number: CN217588768U
Application number: CN202221243528.8U
Authority: CN
Inventors: 李风海
Original assignee: Dongguan Haimu Electronic Technology Co ltd
Current assignee: Dongguan Haimu Electronic Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-14
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the field of mechanical keyboard switches, and discloses a keyboard switch connector, which comprises an electric connection terminal and an insulating shell for accommodating the electric connection terminal, wherein the electric connection terminal comprises a rectangular substrate, a first limit part with a first buckle, a second limit part with a second buckle, a keyboard switch electric connection end and a PCB electric connection end which are integrally formed with the substrate; the insulating housing comprises a body, a mounting groove concavely arranged on one side surface of the body and used for accommodating the power connection terminal, a connecting piece convexly arranged on the other side surface of the body, and a limiting hole arranged at an interval with the mounting groove and used for fixing the second limiting part. The beneficial effects are as follows: the utility model discloses connector simple structure strengthens the firm cohesion of connecting electrical terminal and insulating housing, promotes the electricity connection performance of keyboard switch.

Description

Keyboard switch connector

Technical Field

The utility model relates to a keyboard switch field, concretely relates to keyboard switch connector.

Background

Each key of the mechanical keyboard is provided with an independent switch for controlling the closing, the switch is also called as a keyboard switch, the traditional keyboard switch is that a switch base is directly installed on a PCB and a switch power pin is welded on the PCB, after the keyboard switch is installed, once the keyboard switch is damaged, the keyboard switch cannot be detached and replaced, the maintenance of the mechanical keyboard is not facilitated, although part of the keyboard adopts the design of a connector, the connector is welded on the PCB, an electric pin of the keyboard switch can be freely inserted into the connector in a plugging and unplugging mode, the keyboard switch and the PCB are electrically connected, the keyboard switch is convenient to replace after being damaged so as to save the cost, but because the connector generally comprises an insulating shell and an electric terminal installed on the insulating shell, the electric terminal installed in the insulating shell is not firm, the electric performance of the whole keyboard switch is affected, and the service life of the keyboard switch is also affected.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the background art, the utility model discloses a keyboard switch connector, its concrete technical scheme as follows:

a keyboard switch connector comprises an electric connection terminal and an insulating shell for accommodating the electric connection terminal, wherein the electric connection terminal comprises a rectangular substrate, a first limiting part with a first buckle is formed by vertically bending and extending the edges of two sides of the long edge of the substrate in the same direction, a keyboard switch electric connection end which is arranged at an interval with the first limiting part and is bent and extended in the same direction is formed by vertically extending the edge of one side of the short edge of the substrate close to the keyboard switch electric connection end to form a second limiting part with a second buckle, and a PCB board electric connection end which is arranged on the other side of the short edge of the substrate and is formed by bending and extending the first limiting part is formed by vertically extending the edge of one side of the short edge of the substrate; insulating housing includes the body, the protruding locating body side surface's connecting piece, concave locating body opposite side surface just is used for the holding connect the mounting groove of electric terminal and with the mounting groove interval sets up and is used for fixing the spacing hole of the spacing portion of second, the connecting piece corresponds the mounting groove intercommunication is provided with holds the recess of keyboard switch electricity connection end, the diapire of recess is provided with the opening that is used for inserting keyboard switch electric mortiser foot.

Furthermore, the insulating shell is L-shaped, the two ends of the insulating shell are respectively provided with the mounting grooves, and the electric connection end of the PCB is extended out of the insulating shell.

Furthermore, the inner wall surface of the mounting groove is convexly provided with a first clamping part corresponding to the first buckle.

Furthermore, a second clamping portion is convexly arranged on the inner wall surface of the limiting hole corresponding to the second clamping buckle.

Furthermore, the electric terminals are integrally formed in a punching mode.

Furthermore, the keyboard switch electrical connection end is symmetrically arranged elastic clamping pieces.

Further, the included angle of the elastic clamping piece towards the opening is set to be larger than 0 degree and smaller than 180 degrees.

The utility model has the advantages that: first buckle and the second buckle that sets up through the electrical connection terminal joint respectively in the first joint portion of insulating housing and second joint portion, strengthen electrical connection terminal and insulating housing's firm cohesion, promote keyboard switch's the ability of connecing.

Drawings

Fig. 1 is a top view of the connector of the present invention.

Fig. 2 is a bottom view of the connector of the present invention.

Fig. 3 is an exploded view of the connector of the present invention.

Fig. 4 is a schematic structural view of the electric connection terminal of the present invention.

Fig. 5 is a sectional view of the first buckle connection state of the present invention.

Fig. 6 is a sectional view of a second buckle connection state of the present invention.

Wherein:

10-a connector;

20-electrical connection terminals; 21-a substrate; 22-a first stop; 220-a first buckle; 23-keyboard switch electric connection end; 230-a resilient clip; 24-a second stop; 240-a second buckle, and 25-a PCB board electric connection end; 30-an insulating housing; 31-a body; 32-a connector; 33-mounting grooves; 330-a first clamping part; 34-a limiting hole; 340-second snap-in part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

A keyboard switch connector 10 is configured as shown in FIGS. 1 to 4, and includes an electric terminal 20 and an insulating housing 30 for receiving and fixing the electric terminal 20, wherein the connector 10 is soldered to a PCB (not shown), and an electric pin (not shown) of a keyboard switch (not shown) is freely inserted into and extracted from the connector 10, thereby electrically connecting the keyboard switch and the PCB.

The electric terminal 20 is formed by integrally stamping and forming a conductive metal sheet, and has a structure shown in fig. 4, and comprises a rectangular substrate 21, a first limiting part 22 with a first buckle 220 is formed by vertically bending and extending along the edges of two sides of the long side of the substrate 21 in the same direction, a keyboard switch electric terminal 23 which is arranged at an interval with the first limiting part 22 and is bent and extended in the same direction, a second limiting part 24 with a second buckle 240 is formed by vertically extending along one edge of the short side of the substrate 21 near the keyboard switch electric terminal 23, and a PCB board electric terminal 25 which is positioned on the same plane is formed by bending and extending the first limiting parts 22 on the two sides and is positioned on the other side of the short side of the substrate 21. Preferably, the first catch 220 and the second catch 240 are designed as elastic barbs protruding toward the electric terminals 20; the plane of the PCB electric connection end 25 is parallel to the base plate 21, and the PCB electric connection end 25 is welded with the PCB to realize external power supply; the keyboard switch electrical connection end 23 is two elastic clamping pieces 230 which are arranged in mirror symmetry, and the connection part between the elastic clamping pieces 230 and the base plate 21 forms an included angle for elastically clamping the electrical pins of the keyboard switch to realize the internal electrical connection of the keyboard switch.

The insulating housing 30 is generally L-shaped, and includes a body 31, a connecting member 32 protruding from one side surface of the body 31, a mounting groove 33 recessed from the other side surface of the body 31 and used for receiving the electrical terminal 20, and a limiting hole 34 spaced from the mounting groove 33 and used for fixing the second limiting portion 24. The connecting piece 32 is used for welding the connector 10 to the position of the PCB front insulation shell 30 to ensure that the electric pins of the keyboard switch can be accurately inserted into the connector 10, the connecting piece 32 is provided with a groove 320 corresponding to the position of the mounting groove 33, the mounting groove 33 is communicated with the groove 320 and is used for accommodating the keyboard switch electric connecting terminal 23, and the bottom wall of the groove 320 is provided with an opening 321 for inserting the electric pins of the keyboard switch in a penetrating way. The inner wall surfaces of the two sides of the mounting groove 33 are convexly provided with a first clamping part 330 corresponding to the first buckle 220, and the inner wall surface of the limiting hole 34 is convexly provided with a second clamping part 340 corresponding to the second buckle 240. Preferably, the body 31 is provided in an L-shaped block shape, the mounting grooves 33 are recessed in the thickness direction of the body 31 and located at the free ends of two sides of the body 31, and the two connecting members 32 corresponding to the mounting grooves 33 of two sides are cylindrical.

When the two ends of the insulating shell 30 are installed into the electrical connection terminal 20, the first limiting portions 22 at the two sides of the electrical connection terminal 20 are inserted into the installation groove 33, the first buckles 220 arranged by the elastic barbs are mutually clamped with the first clamping portions 330 convexly arranged on the inner wall surfaces at the two sides of the installation groove 33, the second limiting portions 24 at the one ends of the electrical connection terminal 20 are inserted into the second buckles arranged by the elastic barbs of the limiting holes 34 and are mutually clamped with the second clamping portions 340 convexly arranged on the inner wall surfaces of the limiting holes 34, the first buckles 220 and the second buckles 240 are respectively clamped in the first clamping portions 330 and the second clamping portions 340 of the insulating shell to form 3-point fixed connection, so that the stable binding force between the electrical connection terminal 20 and the insulating shell 30 is enhanced, the electrical connection performance of the keyboard switch is improved, the elastic clamping pieces 230 of the electrical connection terminal 23 of the keyboard switch are arranged in the grooves 320 of the connecting piece 32, the included angle of the elastic clamping pieces 230 faces and is arranged corresponding to the opening 321 of the connecting piece 32, the electrical pins of the keyboard switch are inserted into the two elastic clamping pieces 230 through the opening 321, preferably, the electrical pins are arranged to be conveniently inserted into the electrical connection pins of the electrical connection terminal 30, and the PCB can be conveniently inserted into the electrical connection terminal 30, and the electrical connection terminal can be welded with different angles of the PCB to be externally welded with the PCB 30, and the PCB can be easily.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "horizontal direction", "vertical direction", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A keyboard switch connector comprises an electric connection terminal and an insulating shell for accommodating the electric connection terminal, and is characterized in that the electric connection terminal comprises a rectangular substrate, a first limiting part with a first buckle is formed by vertically bending and extending the edges of two sides of the long edge of the substrate in the same direction, a keyboard switch electric connection end which is arranged at an interval with the first limiting part and is bent and extended in the same direction is provided with a second limiting part with a second buckle, and a PCB electric connection end which is positioned on the other side of the short edge of the substrate and is formed by bending and extending the first limiting part is vertically extended along one edge of the short edge of the substrate; the insulating shell comprises a body, a connecting piece convexly arranged on one side surface of the body, a mounting groove concavely arranged on the other side surface of the body and used for accommodating the electric connection terminal, and a limiting hole which is arranged at an interval with the mounting groove and used for fixing the second limiting part; the connecting piece is provided with a groove corresponding to the mounting groove and used for accommodating the power connection end of the keyboard switch in a communication manner; the bottom wall of the groove is provided with an opening for inserting the electric pins of the keyboard switch.

2. The keyboard switch connector according to claim 1, wherein the insulating housing is L-shaped, the mounting grooves are respectively formed at both ends of the insulating housing, and the PCB board connecting terminal is extended to the outside of the insulating housing.

3. The keyboard switch connector of claim 1, wherein an inner wall surface of the mounting groove is convexly provided with a first clamping portion corresponding to the first clamping buckle.

4. The keyboard switch connector of claim 1, wherein a second clamping portion is convexly provided on an inner wall surface of the limiting hole corresponding to the second clamping buckle.

5. The keyboard switch connector of claim 1, wherein the electrical terminals are integrally stamped and formed.

6. The keyboard switch connector of claim 5, wherein the keyboard switch electrical terminals are symmetrically arranged resilient clips.

7. The keyboard switch connector of claim 6, wherein the spring clip is angled toward the opening by more than 0 ° and less than 180 °.