WO2023011402A1

WO2023011402A1 - Switch that is easy to plug in and pull out

Info

Publication number: WO2023011402A1
Application number: PCT/CN2022/109399
Authority: WO
Inventors: 吴福喜; 杨铭
Original assignee: 东莞市凯华电子有限公司
Priority date: 2021-08-05
Filing date: 2022-08-01
Publication date: 2023-02-09
Also published as: CN115705964A

Abstract

Disclosed is a switch that is easy to plug in and pull out, comprising a connection base body and a microswitch inserted on the connection base body. A PCB is provided in the connection base body. The microswitch is electrically connected to a circuit on the PCB. In the switch that is easy to plug in and pull out, a PCB is arranged in the connection base body, and the microswitch is inserted into the connection base body and is electrically connected to the circuit on the PCB. When the microswitch is damaged or different functions need to be achieved, only the microswitch needs to be replaced. The maintenance and replacement are convenient, different functional requirements can be met, the structure is simple, and the use is convenient.

Description

A switch that is easy to plug in and out

technical field

The invention relates to a switch, in particular to a switch which is convenient to plug in and out.

Background technique

The current keyboard switch is mainly fixedly connected to the PCB board by welding. In actual operation, there are often problems such as welding errors or micro switch failure that need to be repaired or replaced. When the switch is used, due to different users Different requirements for the feel or sound effect of the switch lead to a wide variety of switch specifications, that is, the existing keyboard switch has the following defects: complex structure, extremely inconvenient switch disassembly, maintenance and replacement, single function, and lack of a convenient replacement on the market. A switch that can meet multiple functional requirements at the same time.

Contents of the invention

In view of the above deficiencies, the purpose of the present invention is to provide a switch that is easy to plug and unplug. convenient.

The technical solution adopted by the present invention to achieve the above purpose is: a switch that is convenient to plug in and out, including a connecting base body and a micro switch inserted on the connecting base body, and a A PCB board, the micro switch is electrically connected with the circuit on the PCB board.

As a further improvement of the present invention, at least two inner pins are provided at the bottom of the micro switch, at least two sets of fixed sockets corresponding to the inner pins are provided on the PCB, and there are two sets of fixed sockets corresponding to the inner pins on the PCB. The fixed socket is electrically connected to at least one pin group, and the inner pins are inserted into the fixed socket.

As a further improvement of the present invention, the fixed socket includes a socket formed on the PCB board, and a fixed block provided on the bottom surface of the PCB board and connected to the socket, and a horizontal through hole is formed inside the fixed block. A slot, an upper opening communicating with the slot is formed on the upper end surface of the slot, the upper end surface of the fixed block is connected with the lower surface of the PCB board, wherein the fixed block is opposite to the two side walls The positions below the insertion holes respectively extend upwards and are inserted into the insertion holes to form an insertion portion, and the upper ends of the insertion portions are respectively bent inward to form a clip arm.

As a further improvement of the present invention, the number of the inner pins is three, including a first inner pin, a second inner pin, and a third inner pin arranged at the bottom of the micro switch from left to right, so The fixed socket includes a first fixed socket corresponding to the first inner pin, a second fixed socket corresponding to the second inner pin, and a third fixed socket corresponding to the third inner pin. The pin group includes a first pin electrically connected to the first fixed socket, and a second pin electrically connected to the second fixed socket.

As a further improvement of the present invention, the fixed block is made of elastic metal material, and a first conductive circuit connecting the first pin and the first fixed socket, and a first conductive line connecting the first fixed socket are respectively provided on the lower surface of the PCB board. Two pins and a second conductive circuit of the second fixed socket, wherein, the first conductive circuit is electrically connected with the fixed block on the first fixed socket, and the second conductive circuit is connected with the fixed block on the second fixed socket electrical connection.

As a further improvement of the present invention, the connecting seat body includes a base and an upper cover arranged above the base, a mounting groove is formed on the base, and the PCB board is set in the mounting groove, On the upper cover and at the position above the socket, a through groove for inserting the micro switch is provided, and on the upper cover and at the position above the pin group, a pin slot is concavely formed, and the first pin and The second pins are respectively inserted into the pin slots.

As a further improvement of the present invention, on the two opposite side walls of the PCB board and between the jack and the pin group, a locking position is formed inwardly, wherein the jacks are located at the two locking positions The same side of the connection line forms a jack area, and the pin group is located on the other side of the card connection line to form a pin area; on the PCB board and on the three side walls of the outer periphery of the jack area, At least one limiting groove is formed; a card arm matching the card position is respectively provided in the installation groove and below the card position, and a card arm is respectively provided on the three side walls of the outer periphery of the installation groove located below the socket area. There is at least one limit block matched with the limit slot.

As a further improvement of the present invention, a first positioning hole is provided on the PCB board and located on the center line of the opposite side walls of the pin area, and the first positioning hole is located between the pin group and the card position; on the PCB board The end far away from the pin area is provided with a second positioning hole, the second positioning hole is located on one side of the midline of the opposite side walls of the socket area; in the installation groove and below the first positioning hole is provided A first positioning column matched with the first positioning hole, a second positioning column matched with the second positioning hole is provided in the installation groove and below the second positioning hole; in the installation groove There are also several fixing slots corresponding to the fixing blocks one by one.

As a further improvement of the present invention, at least one outer lower convex part and at least one inner lower convex part are respectively formed on the lower surface of the upper cover and on the two opposite side walls of the through groove. The convex part is close to the outer surface of the side wall of the upper cover, the inner lower convex part is close to the inner surface of the side wall of the upper cover, and the other two opposite side walls of the upper cover respectively extend downward to form a connecting plate. At least one clamping hole is formed on the connecting plate; at least one relief groove matched with the outer lower convex part is respectively provided on the side wall of the base, and the outer lower convex part is inserted into the relief groove. The inner lower convex part is inserted into the installation groove along the side wall of the installation groove, and at least one buckle matched with the clamping hole is provided on the outer surface of the base, and the buckle is clamped on the clamping hole; A concave curved surface is respectively formed on the upper surface of the upper cover and on the opposite side walls of the through groove.

As a further improvement of the present invention, at least one outer pin and at least one limiting pin are respectively provided on the outer bottom surface of the connecting base body, wherein the height of the limiting pin is smaller than the height of the outer pin.

The beneficial effect of the present invention is: by setting a PCB board in the connecting seat body, the micro switch is inserted into the connecting seat body and electrically connected with the circuit on the PCB board to form a switch that is easy to plug and unplug, and the micro switch is damaged. Or when different functions need to be realized, only the micro switch needs to be replaced, which is convenient for maintenance and replacement, can meet different functional requirements at the same time, has a simple structure and is convenient to use.

The foregoing is an overview of the technical solution of the invention, and the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the exploded view of the switch that is convenient to plug in and out of the present invention;

Fig. 2 is the structural schematic diagram of the microswitch in the convenient plug-in switch of the present invention;

Fig. 3 is the structure schematic diagram of PCB board in the switch of the present invention that is convenient to plug in;

Fig. 4 is a schematic structural view of the fixing member in the switch convenient for plugging and unplugging of the present invention;

Fig. 5 is a schematic structural view of the bottom of the PCB board in the switch that is convenient to plug and unplug according to the present invention;

Fig. 6 is a structural schematic diagram of a base in a switch convenient for plugging and unplugging according to the present invention;

Fig. 7 is a schematic diagram of the mechanism of the upper cover in the switch that is convenient for plugging and unplugging according to the present invention;

Fig. 8 is a schematic structural view of the bottom of the upper cover in the switch that is convenient to plug and unplug according to the present invention;

Fig. 9 is a schematic diagram of the overall structure of the convenient plug-in switch of the present invention;

Detailed ways

In order to further illustrate the technical means and functions adopted by the present invention to achieve the intended purpose, the specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Please refer to FIG. 1 , the embodiment of the present invention provides a switch that is convenient to plug in and out, including a connecting base body 1 and a micro switch 2 inserted on the connecting base body 1 . There is a PCB board 3, and the micro switch 2 is electrically connected with the circuit on the PCB board 3, thus, when the micro switch 2 is inserted into the connection socket 1, it is electrically connected with the circuit on the PCB board 3, forming a convenient plug-in Therefore, when the micro switch 2 is damaged or needs to realize different functions, it is only necessary to replace the micro switch 2, which is convenient for maintenance and replacement. The easy-to-plug switch can meet different functional requirements at the same time. Simple and easy to use.

Specifically, as shown in Fig. 2 and Fig. 3, the specific connection mode between the micro switch 2 and the PCB board 3 is: at least two inner pins 21 are provided at the bottom of the micro switch 2, and on the PCB board 3 There are at least two sets of fixed sockets corresponding to the inner pins 21 (the fixed socket is mainly composed of the following middle jack 32 and the fixed block 4, i.e. 32+4), and the PCB board 3 is provided with the fixed socket. At least one pin group 31 electrically connected to the socket (32+4), the inner pin 21 is inserted into the fixed socket (32+4), thus, the micro switch 2 is electrically connected to the pin group 31 of the PCB board 3, In this way, the micro switch 2 is plugged into the connector body 1 in a plug-in manner, and is electrically connected to the pin group 31 on the PCB 3 , and is electrically connected to an external circuit through the pin group 31 .

As shown in Fig. 3 and Fig. 4, the fixed socket (32+4) includes a jack 32 (321, 322, 323) formed on the PCB board 3, and is located on the bottom surface of the PCB board 3 and is connected to the A fixed block 4 (4a, 4b, 4c) connected to the socket 32 (321, 322, 323), the inside of the fixed block 4 (4a, 4b, 4c) is formed with a slot 41 transversely through. The upper end surface of the groove 41 is formed with an upper opening 42 communicating with the slot 41, and the upper end surface of the fixed block 4 (4a, 4b, 4c) is connected with the lower surface of the PCB board 3, wherein the fixed block 4 is opposite The positions on the two side walls and below the insertion holes 32 (321, 322, 323) respectively extend upwards and are inserted into the insertion holes 32 (321, 322, 323) to form an insertion part 43, and the upper ends of the insertion parts 43 are respectively Inwardly bent to form a clip arm 431 . Specifically, when the inner pin 21 is inserted into the connector body 1, the inner pin 21 is inserted into the slot 41 between the two clamp arms 431 located in the jack 32 (321, 322, 323), thereby, the micro switch The inner pin 21 of 2 is fixed in the fixed socket and is electrically connected with the pin group 31.

As shown in Fig. 2 and Fig. 3, in the present embodiment, the number of the inner pins 21 is three, including a first inner pin 211, a second inner pin 211 and a second inner pin 211 which are sequentially arranged at the bottom of the micro switch 2 from left to right. Inner pin 212, and a third inner pin 213, the fixed socket (32+4) includes a first fixed socket (321+4a) corresponding to the first inner pin 211, corresponding to the second inner pin 212 A second fixed socket (322+4b), and a third fixed socket (323+4c) corresponding to the third inner pin 213, the pin group 31 includes the first fixed socket (321+4a ) a first pin 311 electrically connected to, and a second pin 312 electrically connected to the second fixed socket (322+4b). That is, after the micro switch 2 is inserted into the connector body 1, the inner pin 21 of the micro switch 2 is inserted into the fixed socket (32+4) of the PCB board 3, and communicates with the external circuit through the pin group 31 of the PCB board 3, forming A switch that is convenient to plug in and out can replace the micro switch 2 at any time, has a simple structure and can meet different functional requirements at the same time.

In order to insert the inner pin 21 into the slot 41 smoothly, and at the same time ensure that the microswitch 2 and the pin group 31 on the PCB 3 have good conductivity, the fixed block 4 (4a, 4b, 4c) is made of elastic Metal material is made, and as shown in Figure 5, on the lower surface of described PCB board 3, be respectively provided with a first conductive circuit 33 that connects first pin 311 and first fixed socket (321+4a), and connect The second pin 312 is connected to a second conductive circuit 34 of the second fixed socket (322+4b), wherein the first conductive circuit 33 is electrically connected to the fixed block 4a on the first fixed socket (321+4a), The second conductive circuit 34 is electrically connected to the fixing block 4b on the second fixing socket (322+4b). Specifically, when the inner pin 21 of the micro switch 2 is inserted into the fixed socket (32+4), the two clamping arms 431 located in the jack 32 (321, 322, 323) are pushed down by the inner pin 21. Elastic deformation and offset to both sides respectively, the clamp arm 431 is opened, the inner pin 21 is smoothly inserted into the slot 41, when the inner pin 21 is inserted in place, the two clamp arms 431 are clamped inward under the action of the elastic restoring force The clamping force is produced on the inner pin 21, so that the inner pin 21 is firmly fixed on the fixed socket (32+4), and the stability of the connection between the micro switch 2 and the PCB board 3 is improved, and, because the fixed block 4 has Conductivity, so as to realize the electrical connection between the micro switch 2 and the pin group 31 on the PCB board 3 .

As shown in Figures 1 and 7, in this embodiment, the connecting seat body 1 includes a base 11 and an upper cover 12 arranged above the base 11, and a mounting groove is formed on the base 11 , the PCB board 3 is set in the installation groove, and a through groove 121 for inserting the micro switch 2 is provided on the upper cover 12 and above the fixed socket (32+4), and on the upper cover 12 And the position above the pin group 31 is recessed to form a pin slot 122 , and the first pin 311 and the second pin 312 are respectively inserted into the pin slot 122 . The structure of the above-mentioned connection base body 1 can make the micro switch 2 conveniently inserted into the connection base body 1 and form a stable connection with the PCB board 3. At the same time, it is convenient to connect the pin group 31 of the PCB board 3 with the external circuit, and the structure is simple and compact. Easy to operate.

As shown in Fig. 3, Fig. 5 and Fig. 6, in this embodiment, in order to securely install the PCB board 3 in the mounting groove, on the two opposite side walls of the PCB board 3 and located at the socket 32 (321, 322 , 323) and the position between the pin group 31 are respectively recessed to form a card position 35, wherein, the jacks 32 (321, 322, 323) are all located on the same side of the line connecting the two card positions 35 and form A socket area 5, the pin group 31 is located on the other side of the connection line of the two card positions 35 and forms a pin area 6; on the PCB board 3 and located on the three sides of the outer periphery of the socket area 5 At least one limiting groove 36 is formed on the wall; a card arm 111 matching the card position 35 is respectively provided in the installation groove and below the card position 35, and a card arm 111 is located on the base 11. At least one limiting block 112 matching the limiting groove 36 is provided on the three side walls of the outer periphery below the hole area 5 . When assembling, first insert the card position 35 of the PCB 3 into the card arm 111 and move down along the card arm 111, so that the limiting block 112 is snapped into the limiting groove 36, and continues to move down until the limiting block 112 is in the limit position. When the position slot 36 is clipped in place, the PCB board 3 can be firmly installed in the installation slot, and the assembly is convenient and quick.

In order to further improve assembly efficiency, a first positioning hole 37 is provided on the PCB board 3 and on the center line of the two opposite side walls of the pin area 6, and the first positioning hole 37 is located between the pin group 31 and the locking position 35. Between; one end away from the pin area 6 on the PCB board 3 is provided with a second positioning hole 38, the second positioning hole 38 is located on one side of the midline of the opposite side walls of the jack area 5; in the installation groove and located A first positioning post 113 matching the first positioning hole 37 is provided below the first positioning hole 37 , and the second positioning hole is provided in the mounting groove and below the second positioning hole 38 38 matched with a second positioning column 114, through the cooperation of the positioning hole and the positioning column, the PCB board 3 is quickly put into the installation groove, and the assembly is convenient.

There are also several fixing grooves 115 (115a, 115b, 115c) corresponding to the fixing blocks 4 (4a, 4b, 4c) in the installation groove, so as to further improve the stability of the PCB board in the installation groove.

As shown in Figures 6, 8 and 9, on the upper cover 12 and on the lower surfaces of the two opposite side walls of the through groove 121, at least one outer lower convex portion 123 and at least one inner lower convex portion 123 are respectively protruded downwards. The lower convex part 124, the outer lower convex part 123 is close to the outer surface of the side wall of the upper cover 12, the inner lower convex part 124 is close to the inner surface of the upper cover 12 side wall, and the other two opposite sides of the upper cover 12 The side walls respectively extend downwards to form a connecting plate 125, on which at least one clamping hole 126 is formed; A relief groove 116, the outer lower convex portion 123 is inserted into the relief groove 116, the inner lower convex portion 124 is inserted into the installation groove along the side wall of the installation groove, and the outer surface of the base 11 is provided with The locking hole 126 is matched with at least one buckle 117 , and the buckle 117 is locked on the locking hole 126 . The upper cover 12 is firmly combined with the base 11 through the mutual cooperation of the outer lower convex portion 123 , the inner lower convex portion 124 , and the locking hole 126 , which is convenient for assembly.

As shown in FIG. 7 and FIG. 9 , a concave curved surface 127 is formed on the upper surface of the upper cover 12 and on the opposite side walls of the through groove 121 , so as to facilitate the insertion and removal of the micro switch 2 .

As shown in Figures 1 and 9, at least one outer pin 118 is provided on the outer bottom surface of the connecting base body 1, so that the connecting base body 1 can be fixed on the external circuit board by plugging and unplugging, which is convenient for the entire switch The assembly and maintenance of the switch can meet the different functional requirements of the switch at the same time.

Also be provided with at least one limit pin 119 on the outer bottom surface of described connector body 1, wherein, the height of described limit pin 119 is less than the height of outer pin 118, can adjust the depth that connector body 1 inserts circuit board Limit, improve the accuracy of installation.

In summary, the convenient plug-in switch of the present invention is formed by setting a PCB board 3 in the connection base body 1, inserting the micro switch 2 into the connection base body 1 and electrically connecting with the circuit on the PCB board 3. The switch is easy to plug and unplug. When the micro switch 2 is damaged or needs to realize different functions, only the micro switch 2 needs to be replaced, which is convenient for maintenance and replacement, and can meet different functional requirements at the same time. The structure is simple and easy to use.

The above are only preferred embodiments of the present invention, and are not intended to limit the technical scope of the present invention. Therefore, other structures obtained by adopting the same or similar technical features as the above-mentioned embodiments of the present invention are included in the present invention. within the scope of protection.

Claims

A switch that is convenient to plug in and out is characterized in that it includes a connecting base body and a micro switch inserted on the connecting base body, a PCB board is arranged in the connecting base body, and the micro switch is connected to the connecting base body. The circuits on the PCB are electrically connected.
The convenient plug-in switch according to claim 1, characterized in that at least two inner pins are provided on the bottom of the micro switch, and at least two groups corresponding to the inner pins are provided on the PCB board. The fixed socket is provided with at least one pin group electrically connected with the fixed socket on the PCB, and the inner pins are inserted into the fixed socket.
The convenient plug-in switch according to claim 2, wherein the fixed socket includes a jack formed on the PCB board, and a fixed block arranged on the bottom surface of the PCB board and connected to the jack , the inside of the fixed block is formed with a slot through which it runs transversely, and an upper opening communicating with the slot is formed on the upper end surface of the slot, and the upper end surface of the fixed block is connected with the lower surface of the PCB board, wherein The fixing block is opposite to the two side walls and the position below the insertion hole extends upwards and is inserted into the insertion hole to form an insertion portion, and the upper ends of the insertion portion are respectively bent inward to form a clip arm.
The convenient plug-in switch according to claim 3, wherein the number of said inner pins is three, including a first inner pin and a second inner pin arranged at the bottom of the micro switch from left to right. Pins, and a third inner pin, the fixed socket includes a first fixed socket corresponding to the first inner pin, a second fixed socket corresponding to the second inner pin, and a second fixed socket corresponding to the third inner pin A third fixed socket, the pin group includes a first pin electrically connected to the first fixed socket, and a second pin electrically connected to the second fixed socket.
The convenient plug-in switch according to claim 4, wherein the fixed block is made of elastic metal material, and the lower surface of the PCB board is respectively provided with the first pin and the first fixed socket A first conductive circuit and a second conductive circuit connecting the second pin and the second fixed socket, wherein the first conductive circuit is electrically connected to the fixed block on the first fixed socket, and the second conductive circuit The circuit is electrically connected with the fixed block on the second fixed socket.
The convenient plug-in switch according to claim 3, wherein the connecting base body includes a base and an upper cover arranged above the base, and a mounting groove is formed on the base, the The PCB board is arranged in the installation groove, and a through groove for inserting the micro switch is provided on the upper cover and above the socket, and a pin is concavely formed on the upper cover and above the pin group. A slot, the first pin and the second pin are respectively inserted into the pin slot.
The convenient plug-in switch according to claim 6, characterized in that, on the two opposite side walls of the PCB board and between the socket and the pin group, a locking position is formed inwardly, wherein, The jacks are all located on the same side of the two card connection lines to form a jack area, and the pin group is located on the other side of the card position connection to form a pin area; At least one limiting groove is formed on the three side walls of the outer periphery of the hole area; a card arm matching the card position is respectively provided in the installation groove and below the card position, and the installation groove is located in the insertion hole area. At least one limiting block matching the limiting groove is respectively provided on the three side walls of the lower outer periphery.
The convenient plug-in switch according to claim 7, characterized in that, a first positioning hole is provided on the PCB board and located on the center line of the two opposite side walls of the lead area, and the first positioning hole is located at the center line of the lead area. Between the foot group and the card position; a second positioning hole is provided on the end of the PCB board away from the pin area, and the second positioning hole is located on the side of the midline of the opposite side walls of the jack area; in the installation groove and located A first positioning column matching the first positioning hole is provided below the first positioning hole, and a first positioning column matching the second positioning hole is provided in the installation groove and below the second positioning hole. Two positioning columns; several fixing grooves corresponding to the fixing blocks are also provided in the installation groove.
The convenient plug-in switch according to claim 6, characterized in that, on the upper cover and on the lower surface of the two side walls opposite to the through groove, the lower surfaces protrude downward to form at least one outer lower convex part, and at least An inner lower convex part, the outer lower convex part is close to the outer surface of the side wall of the upper cover, the inner lower convex part is closer to the inner surface of the upper cover side wall, and the other two opposite side walls of the upper cover respectively face Extending downward to form a connecting plate, on which at least one clamping hole is formed; on the side walls of the base, at least one relief groove matched with the outer lower convex part is respectively provided, and the outer lower The convex part is inserted into the relief groove, the inner lower convex part is inserted into the installation groove along the side wall of the installation groove, and at least one buckle matched with the locking hole is provided on the outer surface of the base. The buckle is clamped on the clamping hole; a concave curved surface is respectively formed on the upper surface of the upper cover and on the opposite side walls of the through groove.
The convenient plug-in switch according to claim 1, characterized in that at least one outer pin and at least one limiting pin are respectively provided on the outer bottom surface of the connecting base body, wherein the height of the limiting pin is less than the height of the outer pins.