CN220856390U

CN220856390U - Improved micro switch

Info

Publication number: CN220856390U
Application number: CN202322705831.6U
Authority: CN
Inventors: 李学林; 周庆生; 卢德锋
Original assignee: Zhejiang Yibao Technology Co ltd
Current assignee: Zhejiang Yibao Technology Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-26
Anticipated expiration: 2033-10-07

Abstract

The utility model discloses an improved micro switch, which comprises a shell, a first pin piece, a second pin piece and a third pin piece, wherein the first pin piece, the second pin piece and the third pin piece are arranged on the shell, a first static contact is arranged on the second pin piece, a second static contact is arranged at the position, opposite to the first static contact, of the third pin piece, a button and a pressing rod for driving the button to press down are also included, the first pin piece is provided with a bending section, the bending section comprises a first bending angle and a second bending angle which are sequentially arranged, the first bending angle is provided with a first slot, the second bending angle is provided with a second slot, a conducting piece, a transfer plate and a reset spring piece are also included, one end of the conducting piece is inserted into the first slot, and the other end of the conducting piece is in butt joint with the button. The utility model has reasonable structural design, more stable electric contact, good resetting effect and reasonable layout.

Description

Improved micro switch

Technical Field

The utility model relates to the technical field of micro-switches, in particular to an improved micro-switch.

Background

In the prior art, micro-gap switch is including shell, the button, the pin, moving contact and stationary contact, be equipped with the installation cavity on the shell, moving contact and stationary contact set up at the installation intracavity, pin one end sets up at the installation intracavity, the other end extends to outside the casing, the pin is including pin a and pin b, pin a and stationary contact are connected, pin b and moving contact are connected, button drive moving contact and stationary contact are closed to realize the electricity and are connected, the moving contact is usually installed on an electrically conductive shell fragment, shell fragment one end is fixed on pin b, the moving contact sets up on the shell fragment and keep away from pin b's one end, button and moving contact reset through the elasticity of shell fragment, so the shell fragment can be shorter for a long time use easy deformation life, can influence the reset of moving contact after the shell fragment is out of shape for moving contact and stationary contact separation are insufficient.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and provides the improved micro switch which has the advantages of reasonable structural design, more stable electric contact, good resetting effect and reasonable layout.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an improved micro-gap switch, including the shell, locate first pin piece on the shell, second pin piece and third pin piece, be equipped with first stationary contact on the second pin piece, the position that the third pin piece is relative with first stationary contact is equipped with the second stationary contact, still include button and the depression bar that drive button pushed down, have the bending section on the first pin piece, the bending section is including the first bending angle and the second bending angle that set gradually, be equipped with first fluting on the first bending angle, be equipped with the second fluting on the second bending angle, still include the conducting part, the transfer plate and reset shell fragment, the one end of conducting part is inserted and is established in first fluting, the other end and the button butt of conducting part are close to being equipped with the embedded groove on the one section of button, be equipped with the movable contact on the transfer plate, be located the one end that the trompil is close to the movable contact on the transfer plate and be equipped with first butt portion, be equipped with the second butt portion on the second fluting, the one end and the bending section and the butt that reset is equipped with on the second fluting, the other end and the transfer plate butt that reset shell fragment and two both ends butt are pressed respectively.

Preferably, the bending section is provided with a pressing fulcrum, and the pressing fulcrum is abutted with the conducting piece.

Preferably, the periphery cover of button is equipped with first waterproof cover and the waterproof cover of second that mutually support, and two waterproof covers butt joint setting from top to bottom.

Preferably, the housing is internally provided with a mounting seat, and the first pin sheet, the second pin sheet and the third pin sheet penetrate through the mounting seat.

The utility model has the beneficial effects that:

the utility model has reasonable structural design, more stable electric contact, good resetting effect and reasonable layout.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a housing according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing the structure of a button, a conductive member and a transfer plate according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a structure of a transfer plate and a reset spring according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a second pin sheet and a third pin sheet according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a first pin slice according to an embodiment of the present utility model;

FIG. 7 is a schematic view showing the structure of a conductive member according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram showing the structure of a transfer plate according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram showing a second structure of a transfer plate according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a reset spring according to an embodiment of the present utility model;

FIG. 11 is a schematic view showing the structure of a mounting base according to an embodiment of the present utility model.

In the figure: 1. a housing; 11. a mounting base; 2. a first pin sheet; 21. a curved section; 22. a first bend angle; 23. a second bend angle; 24. a first slot; 25. a second slot; 26. a second pressing part; 27. pressing the supporting point; 3. a second pin piece; 31. a first stationary contact; 4. a third pin piece; 41. a second stationary contact; 5. a button; 51. a first waterproof jacket; 52. a second waterproof jacket; 6. a compression bar; 7. a conductive member; 71. an embedding groove; 8. a transfer plate; 81. a moving contact; 82. opening holes; 83. an embedding part; 84. a first pressing part; 9. and resetting the spring plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-11, an improved micro switch comprises a housing 1, a first pin piece 2, a second pin piece 3 and a third pin piece 4 which are arranged on the housing 1, wherein a first stationary contact 31 is arranged on the second pin piece 3, a second stationary contact 41 is arranged at the position, opposite to the first stationary contact 31, of the third pin piece 4, a button 5 and a pressing rod 6 for driving the button 5 to press down are also included, a bending section 21 is arranged on the first pin piece 2, the bending section 21 comprises a first bending angle 22 and a second bending angle 23 which are sequentially arranged, a first slot 24 is arranged on the first bending angle 22, a second slot 25 is arranged on the second bending angle 23, a conducting piece 7, a transfer plate 8 and a reset spring plate 9 are also included, one end of the conducting piece 7 is inserted into the first slot 24, the other end of the conducting piece 7 is abutted against the button 5, an embedded groove 71 is formed in a section of the conducting piece 7, which is close to the button 5, a moving contact 81 is arranged on the transfer plate 8, an opening 82 is formed in the transfer plate 8, an embedded part 83 which is inserted into the embedded groove 71 is formed in one end, which is close to the button 5, of the opening 82, an abutting part 84 is formed in one end, which is close to the moving contact 81, of the transfer plate 8, a second abutting part 26 is formed in the second slot 25, one end of the reset spring piece 9 abuts against the bending section 21, the other end abuts against the transfer plate 8, and two ends of the reset spring piece 9 are abutted against by the two abutting parts respectively; the bending section 21 is provided with a pressing supporting point 27, and the pressing supporting point 27 is in abutting connection with the conducting piece 7; the periphery of the button 5 is sleeved with a first waterproof sleeve 51 and a second waterproof sleeve 52 which are matched with each other, and the two waterproof sleeves are arranged in a vertically butted mode; the housing 1 is internally provided with a mounting seat 11, and the first pin sheet 2, the second pin sheet 3 and the third pin sheet 4 are arranged on the mounting seat 11 in a penetrating way.

By adopting the technical scheme, in the utility model, the push rod 6 drives the push button 5 to move downwards, the push button 5 presses the conducting piece 7 to move downwards, and the transfer plate 8 is driven to move by the downward movement of the conducting piece 7 because the transfer plate 8 is embedded in the embedded groove 71 of the conducting piece 7, so that the contact position of the movable contact is changed. And specifically, one end of the conductive member 7 is inserted in the first slot 24, and a pressing fulcrum 27 may be provided on the bent section 21, and when the push button 5 is pushed down, the other end of the conductive member 7 may move in the first slot 24 without affecting the electrical connection of the conductive member 7 and the first pin piece 2. The reset spring 9 can provide reset force for the transfer plate 8 after the transfer plate is moved down.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An improved micro switch comprises a shell (1), a first pin sheet (2), a second pin sheet (3) and a third pin sheet (4) which are arranged on the shell (1), wherein a first fixed contact (31) is arranged on the second pin sheet (3), a second fixed contact (41) is arranged at the position, opposite to the first fixed contact (31), of the third pin sheet (4), a button (5) and a pressing rod (6) for driving the button (5) to press down are further arranged, the micro switch is characterized in that the first pin sheet (2) is provided with a bending section (21), the bending section (21) comprises a first bending angle (22) and a second bending angle (23) which are sequentially arranged, a first slot (24) is arranged on the first bending angle (22), a second slot (25) is arranged on the second bending angle (23), a conducting piece (7), a transmission plate (8) and a reset spring piece (9) are further arranged at one end of the conducting piece (7) in an inserting mode in the first slot (24), the other end of the conducting piece (7) is in contact with the button (5), an opening (81) is arranged on the conducting piece (7) in a mode, one end, close to the transmission plate (8) is arranged on the transmission plate (8) in a position, which is close to the transmission plate (8) and is provided with an opening (81), one end of the transmission plate (8) which is positioned on the opening (82) and close to the button (5) is provided with an embedded part (83) which is inserted into the embedded groove (71), one end of the transmission plate (8) which is positioned on the opening (82) and close to the moving contact (81) is provided with a first pressing part (84), a second pressing part (26) is arranged on the second slot (25), one end of the reset spring piece (9) is connected with the bending section (21) in an abutting mode, the other end of the reset spring piece is connected with the transmission plate (8) in an abutting mode, and two ends of the reset spring piece (9) are respectively pressed by the two pressing parts.

2. An improved microswitch according to claim 1, characterised in that the curved section (21) is provided with a pressing fulcrum (27), the pressing fulcrum (27) being in abutment with the conducting element (7).

3. An improved microswitch according to claim 1 or 2, characterised in that the outer periphery of the button (5) is provided with a first waterproof sleeve (51) and a second waterproof sleeve (52) which are mutually matched, the two waterproof sleeves being arranged in a butt joint.

4. An improved microswitch according to claim 3, wherein the housing (1) is provided with a mounting seat (11), and the first pin (2), the second pin (3) and the third pin (4) are arranged through the mounting seat (11).