CN213211978U

CN213211978U - Welding-free microswitch

Info

Publication number: CN213211978U
Application number: CN202022667956.0U
Authority: CN
Inventors: 朱明花
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-14
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a welding-free microswitch, including upper cover, base and PCB board, the base top is provided with the upper cover, the base below is provided with the PCB board, be provided with the mounting groove on the PCB board, be provided with the hot plug seat below the PCB board, be provided with the fixed block on the hot plug seat, the fixed block with the mounting groove phase-match, be provided with the constant head tank on the PCB board, the base below is provided with the locating piece, the constant head tank sets up around the mounting groove, the locating piece with the constant head tank phase-match, this welding-free microswitch, the discharge of switch terminal mould is compact, saves terminal cost; the pin insertion mode is adopted, so that the cost is low; the switch is directly connected with the hot plug seat, so that the welding cost is saved; after the switch breaks down, the switch is directly pulled out for replacement, and the maintenance is convenient.

Description

Welding-free microswitch

Technical Field

The utility model relates to a hot plug micro-gap switch technical field specifically is for exempting from to weld micro-gap switch.

Background

As is well known, the existing hot swap microswitch is an auxiliary device for a control component, and is widely used in the field of hot swap microswitches.

For example, the patent publication "CN 204991506U" is named as: the patent of 'structure of pluggable micro-switch for mouse' discloses the structure of pluggable micro-switch for mouse, and two connecting terminals, a metal bracket and a connecting circuit board are arranged between the main PCB board of mouse and the micro-switch; the connecting circuit board and the microswitch are mutually fixed together to form a movable assembly; the formed movable assembly can be inserted into the clamping groove of the metal bracket in a sliding manner, so that two conductive contacts below the connecting circuit board are just in contact with the two connecting terminals respectively, and the micro switch is connected with the main mouse PCB through the connecting circuit board and the two connecting terminals; after the micro switch is damaged, the micro switch can be quickly replaced by a new micro switch movable assembly, and the structure of the technical scheme has accurate positioning in the directions of six degrees of freedom, namely front, back, left, right, upper and lower, so that the best use state of the mouse is realized, the reliability of the mouse is enhanced on one hand, and the service life of the mouse on the other hand is prolonged.

The structure of the pluggable microswitch for the existing mouse is found in use, the device is complex in structure and difficult to manufacture, the connection part of components needs to be welded when the device is assembled, the device is difficult to maintain and check, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a welding-free, convenient assembling's plug-in components hot plug micro-gap switch.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: exempt from to weld micro-gap switch, including upper cover, base and PCB board, the base top is provided with the upper cover, the base below is provided with the PCB board, be provided with the mounting groove on the PCB board, PCB board below is provided with the hot plug seat, be provided with the fixed block on the hot plug seat, the fixed block with the mounting groove phase-match, be provided with the constant head tank on the PCB board, the base below is provided with the locating piece, the constant head tank sets up mounting groove week side, the locating piece with the constant head tank phase-match, the base both sides are provided with first stopper, the upper cover both sides are provided with first spacing groove, first stopper with first spacing groove phase-match, the upper cover both ends are provided with the second stopper, be provided with the second spacing groove on the base, the second stopper with second spacing groove phase-match, be equipped with contact terminal, the PCB board on the base, The supporting terminal penetrates through the middle of the base, the contact terminal and the common terminal penetrate through the two sides of the supporting terminal, an elastic sheet is arranged above the base, one end of the elastic sheet is connected with the common terminal, the other end of the elastic sheet is connected with the contact terminal, a through hole is formed in the upper cover, and a button is fixed in the through hole.

The utility model discloses the improvement has, one end is provided with first mounting hole on the base, first mounting hole internal fixation has contact terminal, the other end is provided with the second mounting hole on the base, the second mounting hole internal fixation has common terminal, base central authorities are provided with the third mounting hole, third mounting hole internal fixation has the support terminal.

The utility model discloses the improvement has, and contact terminal, common terminal and support terminal mould plastics as an organic wholely with the base.

For the convenience be connected with the hot plug seat, the utility model discloses the improvement has, the fixed block with the mounting groove sets up to two sets of.

In order to fix the base and the PCB firmly, the utility model discloses the improvement has, the constant head tank with the locating piece sets up to the multiunit.

For the convenience supports the lug, the utility model discloses the improvement has, the shell fragment below is provided with the lug, the lug with the support terminal is connected.

In order to facilitate the contact of the button with the tab, and further to allow the tab to contact the support terminal, the improvement wherein the button is disposed above the tab.

In order to make the terminal stable with the contact of hot plug seat, the utility model discloses the improvement has, be provided with the spread groove in the fixed block.

(III) advantageous effects

Compared with the prior art, the utility model provides a exempt from to weld micro-gap switch possesses following beneficial effect:

according to the welding-free microswitch, the switch terminal die is compact in material discharge, and the terminal cost is saved; the pin insertion mode is adopted, so that the cost is low; the switch is not welded on the PCB, so that the welding cost is saved; after the switch breaks down, the switch is directly pulled out for replacement, and the maintenance is convenient.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: 1. an upper cover; 2. a base; 3. a PCB board; 4. mounting grooves; 5. a hot plug seat; 6. a fixed block; 7. positioning a groove; 8. positioning blocks; 9. a first stopper; 10. a first limit groove; 11. a second limiting block; 12. a second limit groove; 13. a first mounting hole; 14. a contact terminal; 15. a second mounting hole; 16. a common terminal; 17. a third mounting hole; 18. a support terminal; 19. a spring plate; 20. a through hole; 21. a button; 22. a tab; 23. and connecting the grooves.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a welding-free micro switch includes an upper cover 1, a base 2 and a PCB 3, the upper cover 1 is disposed above the base 2, the PCB 3 is disposed below the base 2, a mounting groove 4 is disposed on the PCB 3, a hot plug base 5 is disposed below the PCB 3, a fixing block 6 is disposed on the hot plug base 5, the fixing block 6 is matched with the mounting groove 4, a positioning groove 7 is disposed on the PCB 3, a positioning block 8 is disposed below the base 2, the positioning groove 7 is disposed around the mounting groove 4, the positioning block 8 is matched with the positioning groove 7, first limiting blocks 9 are disposed on two sides of the base 2, first limiting grooves 10 are disposed on two sides of the upper cover 1, the first limiting blocks 9 are matched with the first limiting grooves 10, and second limiting blocks 11 are disposed on two ends of the upper cover 1, the base 2 is provided with a second limiting groove 12, the second limiting block 11 is matched with the second limiting groove 12, one end of the base 2 is provided with a first mounting hole 13, a contact terminal 14 is fixed in the first mounting hole 13, the other end of the base 2 is provided with a second mounting hole 15, a common terminal 16 is fixed in the second mounting hole 15, the center of the base 2 is provided with a third mounting hole 17, a support terminal 18 is fixed in the third mounting hole 17, an elastic sheet 19 is arranged above the base 2, one end of the elastic sheet 19 is connected with the common terminal 16, the other end of the elastic sheet 19 is connected with the contact terminal 14, a through hole 20 is formed in the upper cover 1, and a button 21 is fixed in the through hole 20.

Referring to fig. 1-3, in a manner of inserting the mounting holes, in another embodiment, the contact terminals 14, the common terminals 16 and the support terminals 18 are integrally molded with the base, such as fig. 4.

The fixed blocks 6 and the mounting grooves 4 are arranged into two groups and are connected with the hot plug seat 5 conveniently.

The positioning grooves 7 and the positioning blocks 8 are arranged into a plurality of groups, so that the base 2 and the PCB 3 are fixed and stable conveniently.

A protruding piece 22 is arranged below the elastic piece 19, and the protruding piece 22 is connected with the supporting terminal 18 to support the protruding piece 22 conveniently.

The button 21 is disposed above the tab 22, and in order to facilitate the button 21 to contact the tab 22, the tab 22 is further brought into contact with the support terminal 18.

The fixed block 6 is provided with a connecting groove 23 for stabilizing the contact of the terminal and the hot plug seat 5.

In conclusion, when the soldering-free microswitch is used, the hot plug seat 5 is aligned with the mounting groove 4 on the PCB 3 through the fixing block 6, the positioning block 8 on the base 2 is accurately mounted with the positioning groove 7 on the PCB 3, the base 2 is sequentially provided with a first mounting hole 13, a second mounting hole 15 and a third mounting hole 17, which are respectively fixed with a contact terminal 14, a support terminal 18 and a common terminal 16, if the plastic injection molding is adopted, the plug-in connection is not needed, the contact terminal 14 and the common terminal 16 are contacted with the elastic sheet 19, the two sides of the base 2 are provided with first limit blocks 9 which are matched with first limit grooves 10 on the upper cover 1, the second limit block 11 on the upper cover 1 is matched with the second limit block 11 on the base 2, so that the upper cover 1 and the base 2 are tightly installed, meanwhile, a button 21 is arranged in a through hole 20 on the upper cover 1, and the button 21 is pressed to separate the contact on the elastic sheet 19 from the contact terminal 14 to realize control switch.

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. The utility model provides a exempt from to weld micro-gap switch, includes upper cover (1), base (2) and PCB board (3), its characterized in that: the upper cover (1) is arranged above the base (2), the PCB (3) is arranged below the base (2), the PCB (3) is provided with a mounting groove (4), the hot plug seat (5) is arranged below the PCB (3), the hot plug seat (5) is provided with a fixed block (6), the fixed block (6) is matched with the mounting groove (4), the PCB (3) is provided with a positioning groove (7), the base (2) is provided with a positioning block (8) below, the positioning groove (7) is arranged on the periphery of the mounting groove (4), the positioning block (8) is matched with the positioning groove (7), the two sides of the base (2) are provided with first limit blocks (9), the two sides of the upper cover (1) are provided with first limit grooves (10), and the first limit blocks (9) are matched with the first limit grooves (10), the improved structure of the automobile seat is characterized in that second limiting blocks (11) are arranged at two ends of the upper cover (1), a second limiting groove (12) is formed in the base (2), the second limiting blocks (11) are matched with the second limiting grooves (12), contact terminals (14), common terminals (18) and supporting terminals (16) are arranged on the base (2), the supporting terminals (16) are inserted into the middle of the base in a penetrating mode, the contact terminals (14) and the common terminals (18) are inserted into two sides of the supporting terminals (16) in a penetrating mode, an elastic sheet (19) is arranged above the base (2), one end of the elastic sheet (19) is connected with the common terminals (18), the other end of the elastic sheet (19) is connected with the contact terminals (14), through holes (20) are formed in the upper cover (1), and buttons (21) are fixed in the through holes (20).

2. The weld-free microswitch of claim 1, wherein: one end is provided with first mounting hole (13) on base (2), first mounting hole (13) internal fixation has contact terminal (14), the other end is provided with second mounting hole (17) on base (2), second mounting hole (17) internal fixation has common terminal (18), base (2) central authorities are provided with third mounting hole (15), third mounting hole (15) internal fixation has support terminal (16).

3. The weld-free microswitch of claim 1, wherein: the contact terminal (14), the common terminal (18) and the support terminal (16) are integrally injection-molded with the base.

4. The weld-free microswitch of claim 1, wherein: the fixing blocks (6) and the mounting grooves (4) are arranged into two groups.

5. The weld-free microswitch of claim 1, wherein: the positioning grooves (7) and the positioning blocks (8) are arranged into a plurality of groups.

6. The weld-free microswitch of claim 1, wherein: and a connecting groove (23) is arranged in the fixing block (6).