Brake switch

Abstract

The utility model provides a brake switch which comprises a shell, a button is slidably connected to the shell, a first fixing piece and a second fixing piece are fixedly connected to the shell and extend out of the shell, a trigger plate, an elastic plate and a supporting plate are arranged in the shell, one end of the supporting plate is connected with the first fixing piece through a limiting structure, and the other end of the supporting plate is connected with the second fixing piece through a limiting structure. One end of the elastic plate is connected with the first fixing piece, the other end of the elastic plate abuts against the end, close to the second fixing piece, of the supporting plate, and the end, away from the supporting plate, of the trigger plate is used for abutting against the second fixing piece. After the button exerts acting force on the supporting plate, the trigger plate is separated from the second fixing piece, the elastic plate deforms, and the purposes of facilitating automatic installation and prolonging the service life are achieved.

Description

Technical Field

[0001] The utility model relates to a switch, in particular to a brake switch. Background Art

[0002] At present, a Chinese patent with authorization announcement number CN208225759U discloses a brake switch, including a shell, a contact piece 1 arranged on the shell, and a contact piece 2 arranged on the shell, wherein the contact piece 2 has folded edges integrally formed on both sides, and the contact piece 2 is provided with a rotating part rotatably arranged on two folded edges, a conductive piece abutting against the rotating part, and a reset spring, and a layer of grease is coated on the surface of the rotating part.

[0003] This brake switch uses a reset spring to reset the conductive sheet, which has two disadvantages. First, since there are hooks at both ends of the reset spring, it is impossible to use automated equipment for automatic installation, resulting in high labor costs; second, the elasticity of the reset spring decays rapidly when used for a long time, so the service life is short. Utility Model Content

[0004] In view of this, the utility model aims to provide a brake switch by replacing the return spring with an elastic plate so as to facilitate automatic installation through automated equipment and extend the service life.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a brake switch, comprising a shell, a button is slidably connected to the shell, a first fixing plate and a second fixing plate are connected to the shell, the first fixing plate and the second fixing plate extend out of the shell, a trigger plate, an elastic plate and a support plate are arranged in the shell, one end of the support plate is connected to the first fixing plate, and the other end supports the trigger plate through a supporting structure, one end of the elastic plate is connected to the first fixing plate, and the other end of the elastic plate is in contact with an end of the trigger plate close to the second fixing plate, and an end of the trigger plate away from the support plate is used to contact with the second fixing plate, and after the button applies a force to the support plate, the trigger plate is separated from the second fixing plate and the elastic plate is deformed.

[0006] To implement the above technical solution, when the button does not apply a force to the support plate, the support plate applies a force to the trigger plate, causing the trigger plate to have a tendency to move along its own length direction away from the second fixed plate, and the elastic plate is used to offset this tendency, and the elastic force of the elastic plate applies a supporting force to one end of the trigger plate away from the support plate, so that the trigger plate and the second fixed plate remain in contact; when a force is applied to the button, the button applies a force to the support plate, and causes the support plate to flip along the connection between the support plate and the first fixed plate, and at the same time, the trigger plate moves with the movement of the support plate, so that the trigger plate is separated from the second fixed plate, and the elastic plate is deformed; the setting of the return spring is eliminated, so that automatic assembly can be performed using automatic equipment, and the elastic plate has a longer service life than the return spring.

[0007] As a preferred solution of the utility model, the support structure includes a placement groove, a support groove, and a support protrusion. The placement groove is opened on the surface of the trigger plate and is arranged along the length direction of the trigger plate. After the support plate passes through the placement groove, it extends toward the end of the trigger plate and forms a pressing section. The support groove is opened on the support plate, and the support protrusion is fixed on the inner wall of the placement groove and embedded in the support groove.

[0008] To implement the above technical solution, the supporting protrusion is embedded in the supporting groove, so that the supporting plate and the trigger plate are not easily separated. In addition, through the supporting effect of the supporting plate, the supporting plate has a tendency to move along its own length direction. The setting of the pressing section further makes it difficult for the support plate and the trigger plate to separate.

[0009] As a preferred solution of the utility model, an anti-slip protrusion is fixedly connected to the support plate, the anti-slip protrusion and the pressing section are respectively located on both sides of the trigger plate, and the anti-slip protrusion is used to contact the trigger plate.

[0010] To implement the above technical solution, under the action of the pressing section and the anti-detachment protrusion, a limiting effect is generated between the support plate and the trigger plate. When the button applies a force to the pressing section, the support protrusion can rotate in the support groove, and the end of the trigger plate close to the pressing section is flipped with the connection between the support plate and the first fixed plate as the center of the circle, and the end of the trigger plate away from the pressing section is immediately detached from the second fixed plate, and the elastic plate is bent.

[0011] As a preferred solution of the utility model, an anti-drop hole is provided on the first fixing plate, an anti-drop protrusion is fixedly connected to the supporting plate, and the anti-drop protrusion passes through the anti-drop hole.

[0012] By implementing the above technical solution, the first fixing plate is not easily separated from the support plate. When a force is applied to the support plate, the support plate can be turned over along the connection between the first fixing plate and the support plate, and the structure is stable.

[0013] As a preferred solution of the utility model, the elastic plate is fixedly connected to a limiting protrusion, the trigger plate is fixedly connected to a limiting protrusion, the limiting protrusion is used to abut against the end of the elastic plate, and the limiting protrusion is located between adjacent limiting protrusions.

[0014] By implementing the above technical solution, the elastic plate is not easily separated from the trigger plate, the elastic plate can always apply elastic force to the trigger plate, and the connection between the elastic plate and the trigger plate is more stable.

[0015] As a preferred solution of the utility model, the first fixing plate has an L-shaped bending section, a limiting hole is opened on the L-shaped bending section, the end of the elastic plate is connected to the limiting section, the limiting section passes through the limiting hole, and the elastic plate conflicts with the bending part of the L-shaped bending section.

[0016] To implement the above technical solution, the bending part of the L-shaped bending section has a limiting function. When the trigger plate moves, the elastic plate can rotate at the bending part, and the elastic plate can continuously apply force to the trigger plate with the bending part as a fulcrum, so as to make the connection between the elastic plate and the first fixed plate more stable.

[0017] As a preferred solution of the utility model, a fixing protrusion is fixedly connected to the inner wall of the limiting hole, and the fixing protrusion is used to interfere with the limiting section.

[0018] To implement the above technical solution, the end of the elastic plate is stably placed at the bending part of the L-shaped bending section by the pressure exerted by the fixing protrusion on the limiting section.

[0019] As a preferred solution of the utility model, the elastic plate is provided with a first bending portion and a second bending portion, the first bending portion is close to the fixing protrusion, and the second bending portion is close to the limiting protrusion.

[0020] By implementing the above technical solution, the elastic plate can be more easily deformed through the arrangement of the first bending portion and the second bending portion, thereby improving the elasticity.

[0021] As a preferred solution of the utility model, two sides of the trigger plate are connected to limiting parts, and the pressing section and the elastic plate are both located between the two limiting parts.

[0022] The above technical solution is implemented to make the connection between the support plate and the trigger plate and between the elastic plate and the trigger plate more stable.

[0023] As a preferred solution of the utility model, the end of the trigger plate is fixedly connected to a first guide column, the end of the second fixing plate is fixedly connected to a second guide column, and the first guide column is used to abut against the second guide column.

[0024] The above technical solution is implemented to facilitate passage between the trigger plate and the second fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the external structure of the utility model

[0026] Figure 2 This is a schematic diagram showing the front structure of the shell;

[0027] Figure 3 A schematic diagram showing the three-dimensional structure of the shell;

[0028] Figure 4 A schematic diagram showing the positions of the first guide post and the second guide post;

[0029] Figure 5 A schematic diagram showing the structure of the first fixing plate;

[0030] Figure 6 A schematic diagram showing the structure of the elastic plate;

[0031] Figure 7 A schematic diagram showing the structure of the support plate;

[0032] Figure 8 A schematic diagram showing the structure of the lower surface of the trigger plate;

[0033] Fig. 9 A schematic diagram of the structure of the upper surface of the board that reflects the trigger.

[0034] 1. Shell; 10. Cover plate; 11. Slide groove; 12. Button; 21. First fixing plate; 22. Second fixing plate; 31. Trigger plate; 311. Limiting portion; 32. Elastic plate; 33. Support plate; 41. Anti-slip hole; 42. Anti-slip protrusion; 5. Support structure; 51. Placement groove; 52. Support groove; 53. Support protrusion; 54. Anti-slip protrusion; 61. L-shaped bending section; 62. Limiting hole; 63. Limiting section; 64. Fixing protrusion; 71. Limiting protrusion; 72. Limiting protrusion; 81. First bending section; 82. Second bending section; 91. First guide column; 92. Second guide column; 100. Pressing section. DETAILED DESCRIPTION

[0035] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0036] For ease of description, in this embodiment, the position where the button 12 is located is regarded as the upper side.

[0037] A brake switch includes a housing 1, a slide groove 11 is provided on the upper surface of the housing 1, and a button 12 is slidably connected in the slide groove 11. A first fixing plate 21 and a second fixing plate 22 are fixedly connected to the housing 1; the end of the first fixing plate 21 and the end of the second fixing plate 22 extend from the housing 1 and are arranged in parallel.

[0038] A trigger plate 31, an elastic plate 32, and a support plate 33 are arranged in the housing 1. A square anti-drop hole 41 is opened on the first fixing plate 21, and an anti-drop protrusion 42 is fixedly connected to the end of the support plate 33. The anti-drop protrusion 42 is passed through the anti-drop hole 41, and the end of the support plate 33 is in contact with the surface of the first fixing plate 21.

[0039] When the support plate 33 is subjected to downward pressure, the support plate 33 can be turned over along the connection between the support plate 33 and the first fixing plate 21 .

[0040] The other end of the support plate 33 away from the first fixing plate 21 supports the trigger plate 31 through the support structure 5. When the trigger plate 31 is not subjected to the pressure of the support plate 33, the trigger plate 31 is arranged in an inclined manner.

[0041] The support structure 5 includes a placement groove 51, a support groove 52, and a support protrusion 53. The placement groove 51 is opened on the surface of the trigger plate 31 and is arranged along the length direction of the trigger plate 31. The placement groove 51 connects the upper surface and the lower surface of the trigger plate 31. After passing through the placement groove 51, the support plate 33 extends toward the end of the trigger plate 31 and forms a pressing section 100. The upper surface of the pressing section 100 is used to contact the button 12.

[0042] The support groove 52 is formed at one end of the support plate 33 close to the pressing section 100 , and the length direction of the support groove 52 is arranged along the width direction of the support plate 33 . The support protrusion 53 is fixed on the inner wall of the placement groove 51 and embedded in the support groove 52 .

[0043] A block-shaped anti-slip protrusion 54 is fixedly connected to both sides of the support plate 33. The anti-slip protrusion 54 and the pressing section 100 are respectively located on both sides of the trigger plate 31, and the anti-slip protrusion 54 is used to abut against the lower surface of the trigger plate 31. The anti-slip protrusion 54 and the pressing section 100 make it difficult for the support plate 33 and the trigger plate 31 to be detached.

[0044] When the button 12 does not apply downward pressure to the pressing section 100, under the support of the first fixing plate 21, the support plate 33 applies an upward supporting force to the trigger plate 31; or, the support plate 33 applies a force along the length direction of the trigger plate 31 to the trigger plate 31, that is, the trigger plate 31 has a tendency to move to the upper left.

[0045] One end of the elastic plate 32 is connected to the first fixing plate 21, and the other end of the elastic plate 32 contacts one end of the trigger plate 31 near the second fixing plate 22. The elastic plate 32 is arranged obliquely. An L-shaped bending section 61 is provided on the first fixing plate 21, and a limiting hole 62 is provided on the L-shaped bending section 61. The end of the elastic plate 32 is fixedly connected to the limiting section 63, and the limiting section 63 is passed through the limiting hole 62, and the end of the elastic plate 32 contacts the bending part of the L-shaped bending section 61.

[0046] Since the elastic plate 32 exerts an upward elastic force on the trigger plate 31, the elastic plate 32 is subjected to a downward reaction force. In order to prevent the elastic plate 32 from being easily separated from the bend, a fixing protrusion 64 is fixedly connected to the inner wall of the limiting hole 62, so that the fixing protrusion 64 is used to abut against the upper surface of the limiting section 63.

[0047] A limiting protrusion 71 is fixedly connected to one end of the elastic plate 32 away from the limiting section 63. A limiting protrusion 72 is fixedly connected to the trigger plate 31, and both limiting protrusions 72 are located in the placement groove 51. The limiting protrusion 72 is used to abut against the end of the elastic plate 32. The limiting protrusion 71 is located between the two limiting protrusions 72.

[0048] In order to facilitate the bending of the elastic plate 32 , a first bending portion 81 and a second bending portion 82 are provided on the elastic plate 32 , so that the elastic plate 32 is arched as a whole. The first bending portion 81 is close to the fixing protrusion 64 ; the second bending portion 82 is close to the limiting protrusion 71 .

[0049] The elastic plate 32 always applies elastic force to the trigger plate 31 .

[0050] The two sides of the trigger plate 31 are connected to the limiting portions 311 , and the pressing section 100 and the elastic plate 32 are both located between the two limiting portions 311 .

[0051] One end of the trigger plate 31 away from the support plate 33 is used to contact the second fixing plate 22 .

[0052] The end of the trigger plate 31 is fixedly connected to a first guide post 91 , and the end of the second fixing plate 22 is fixedly connected to a second guide post 92 . The first guide post 91 is used to abut against the second guide post 92 .

[0053] The first fixing plate 21 , the second fixing plate 22 , the trigger plate 31 , the elastic plate 32 , and the support plate 33 are all made of conductive materials, and in this embodiment, they are made of copper.

[0054] When downward pressure is applied to the button 12, the button 12 and the pressing section 100 collide, and the support plate 33 flips along the connection between the support plate 33 and the first fixing plate 21. Under the action of the pressing section 100 and the anti-slip protrusion 54, the trigger plate 31 moves to the lower left, and at the same time, the elastic plate 32 bends along the first bending portion 81 and the second bending portion 82, and the first guide column 91 and the second guide column 92 are separated. After the button 12 is released, the trigger plate 31 moves to the upper right by the elastic force of the elastic plate 32, and the first guide column 91 and the second guide column 92 collide. At the same time, the trigger plate 31 and the pressing section 100 collide and the support plate 33 is reset. The reset spring is eliminated, so that automatic assembly can be performed by automatic equipment, and it has a longer service life than the reset spring.

[0055] In order to prevent the first fixing plate 21 and the second fixing plate 22 from falling out of the housing 1 , a cover plate 10 is fixedly connected to the housing 1 .

[0056] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A brake switch, comprising a housing (1), a button (12) being slidably connected to the housing (1), a first fixing plate (21) and a second fixing plate (22) being connected to the housing (1), the first fixing plate (21) and the second fixing plate (22) extending from the housing (1), wherein: The shell (1) is provided with a trigger plate (31), an elastic plate (32), and a support plate (33); one end of the support plate (33) is connected to the first fixing plate (21), and the other end supports the trigger plate (31) through a support structure (5); one end of the elastic plate (32) is connected to the first fixing plate (21), and the other end of the elastic plate (32) contacts with an end of the trigger plate (31) close to the second fixing plate (22); an end of the trigger plate (31) away from the support plate (33) is used to contact with the second fixing plate (22); and after the button (12) applies a force to the support plate (33), the trigger plate (31) is separated from the second fixing plate (22) and the elastic plate (32) is deformed.

2. The brake switch according to claim 1, characterized in that: The support structure (5) comprises a placement groove (51), a support groove (52), and a support protrusion (53); the placement groove (51) is formed on the surface of the trigger plate (31) and is arranged along the length direction of the trigger plate (31); the support plate (33) passes through the placement groove (51) and extends toward the end of the trigger plate (31) to form a pressing section (100); the support groove (52) is formed on the support plate (33); and the support protrusion (53) is fixed on the inner wall of the placement groove (51) and embedded in the support groove (52).

3. The brake switch according to claim 2, characterized in that: The support plate (33) is fixedly connected with an anti-slip protrusion (54), the anti-slip protrusion (54) and the pressing section (100) are respectively located on both sides of the trigger plate (31), and the anti-slip protrusion (54) is used to contact the trigger plate (31).

4. The brake switch according to claim 1, characterized in that: The first fixing plate (21) is provided with an anti-drop hole (41), and the support plate (33) is fixedly connected with an anti-drop protrusion (42), and the anti-drop protrusion (42) passes through the anti-drop hole (41).

5. The brake switch according to claim 1, characterized in that: The elastic plate (32) is fixedly connected with a limiting protrusion (71), and the trigger plate (31) is fixedly connected with a limiting protrusion (72). The limiting protrusion (72) is used to abut against the end of the elastic plate (32), and the limiting protrusion (71) is located between adjacent limiting protrusions (72).

6. The brake switch according to claim 5, characterized in that: The first fixing plate (21) has an L-shaped bending section (61), a limiting hole (62) is provided on the L-shaped bending section (61), the end of the elastic plate (32) is connected to the limiting section (63), the limiting section (63) passes through the limiting hole (62), and the elastic plate (32) is in contact with the bending portion of the L-shaped bending section (61).

7. The brake switch according to claim 6, characterized in that: A fixing protrusion (64) is fixedly connected to the inner wall of the limiting hole (62), and the fixing protrusion (64) is used to abut against the limiting section (63).

8. The brake switch according to claim 7, characterized in that: The elastic plate (32) is provided with a first bending portion (81) and a second bending portion (82), wherein the first bending portion (81) is close to the fixing protrusion (64), and the second bending portion (82) is close to the limiting protrusion (71).

9. The brake switch according to claim 2, characterized in that: The trigger plate (31) is connected to two limiting portions (311) on both sides, and the pressing section (100) and the elastic plate (32) are both located between the two limiting portions (311).

10. The brake switch according to claim 1, characterized in that: The end of the trigger plate (31) is fixedly connected to a first guide column (91), the end of the second fixing plate (22) is fixedly connected to a second guide column (92), and the first guide column (91) is used to abut against the second guide column (92).

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