Foot switch

Abstract

The utility model relates to the technical field of switches, in particular to a foot switch, which comprises a bottom shell, a control circuit board, a top shell, an elastic piece and a switch main body, the bottom of the inner wall of the bottom shell extends upwards to be provided with a plurality of supporting tables which are annularly distributed, the control circuit board is provided with a plurality of avoiding holes for the supporting tables to penetrate through in a penetrating mode, the top shell is detachably connected with the bottom shell, a penetrating hole is formed in the middle of the top shell, and the upper end of the switch body protrudes out of the upper end face of the top shell from the penetrating hole. A key switch is arranged in the middle of the control circuit board, the upper end of the elastic piece is connected with the switch body, and the lower end of the elastic piece is connected with the supporting table. According to the utility model, the structure is novel, the design is ingenious, when the switch main body is pressed, the plurality of supporting tables are stressed and act on the bottom shell, so that the bottom shell is stressed, the problem that the control circuit board is easy to deform or damage due to the fact that an elastic piece of a traditional switch acts on the control circuit board is solved, and the structural reliability and the working stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch technical field especially is a foot switch. BACKGROUND

[0002] In the prior art, the foot switch as a common control device is widely used in various mechanical equipment and electronic equipment for realizing on-off control of the circuit. However, the conventional foot switch has some deficiencies in design, which affects its use effect and reliability.

[0003] The connection mode between the switch main body and the elastic member of the conventional foot switch is not reasonable. When the switch main body is stepped on, the elastic member often directly acts on the control circuit board, which not only increases the stress burden of the control circuit board, but also easily causes damage to the circuit board. At the same time, this connection mode also makes the reset effect of the switch main body not ideal, which affects the user's use experience. SUMMARY

[0004] The utility model provides a foot switch for the prior art problem, novel structure, clever design, when pressing the switch main body, through the stress of multiple support tables and the action on the bottom shell, make the bottom shell stress, solve the problem that the elastic member of the conventional switch acts on the control circuit board and then easily causes the deformation or damage of the control circuit board, improve the structure reliability and work stability.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a foot switch, it includes bottom shell, control circuit board, top shell, elastic member and switch main body, the bottom shell inner wall bottom extends and is provided with multiple support tables, multiple support tables are annular distribution, the control circuit board is provided with multiple avoidance hole for the support table passes, the support table with avoidance hole corresponds to set, the top shell with bottom shell is detachable connection, the middle part of top shell is set up and passes through the hole, the switch main body is set up in the hole, the upper end of switch main body protrudes from the hole and the upper end surface of top shell, the middle part of control circuit board is provided with button switch, the switch main body with button switch corresponds to set, button switch is located in the right below of switch main body, the upper end of elastic member is connected with switch main body, the lower end of elastic member is connected with support table.

[0007] Among them, the bottom of the switch main body is recessed and provided with a positioning cavity, a positioning shaft is arranged in the middle of the positioning cavity, and the upper end of the elastic member is movably sleeved on the outer periphery of the positioning shaft.

[0008] Among them, multiple support tables are equidistantly arranged on the inner wall bottom of the bottom shell.

[0009] A limiting slide post is further provided on one side of the support platform, and a plurality of limiting slide grooves are provided at equal intervals on the lower end surface of the switch body, and the limiting slide post slides through the limiting slide grooves.

[0010] The control circuit board is provided with a plurality of positioning holes, and the bottom shell is provided with a plurality of positioning posts, which pass through the positioning holes.

[0011] Wherein, undercut blocks are provided on both sides of the bottom shell, and the undercut blocks are used to buckle the two sides of the outer edge of the control circuit board.

[0012] Wherein, plug-in posts are provided on both sides of the bottom shell, and plug-in holes cooperating with the plug-in posts are provided on the bottom of the top shell.

[0013] Wherein, positioning blocks are provided on both sides of the bottom shell, and positioning slots are provided on the lower ends of both sides of the top shell, and the positioning slots are engaged with the positioning blocks.

[0014] The bottom shell is provided with a plurality of first connection holes, and the top shell is provided with a plurality of second connection holes, and the first connection holes are provided corresponding to the second connection holes.

[0015] Wherein, a plurality of supporting ribs are provided at the bottom of the inner wall of the bottom shell, and the control circuit board is placed on the supporting ribs.

[0016] Wherein, a silicone body is provided between the switch body and the key switch.

[0017] Beneficial effects of the utility model:

[0018] The utility model has a novel structure and ingenious design. The control circuit board of the utility model is installed on the bottom shell, and the initial positioning of the control circuit board is achieved by passing the support platform through the avoidance hole; the switch body is located above the push button switch, and the elastic member is located between the support platform and the switch body. The upper end of the switch body protrudes from the upper end surface of the top shell through the through hole, the upper end of the elastic member is connected to the switch body, and the lower end of the elastic member is connected to the support platform. Under this arrangement, the elastic member facilitates the resetting of the switch body, which is convenient for users to use multiple times; and the lower end of the elastic member is connected to the support platform. When the switch body is pressed, the force is received through multiple support platforms and acts on the bottom shell, so that the bottom shell is subjected to force, which solves the problem that the elastic member of the traditional switch acts on the control circuit board, which easily causes the control circuit board to be deformed or damaged, thereby improving structural reliability and working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a structural diagram of a foot switch of the present utility model.

[0020] Figure 2A structure exploded view of the foot switch.

[0021] Figure 3 A structure schematic view of the switch main body.

[0022] Figure 4 A structure schematic view of the bottom shell.

[0023] Figure 5 A structure schematic view of the top shell.

[0024] In Figures 1 to 5 The reference signs in the drawings comprise:

[0025] 1, bottom shell; 2, control circuit board; 3, top shell; 4, elastic member; 5, switch main body; 6, support table; 7, avoiding hole; 8, through hole; 9, key switch; 10, positioning cavity; 11, positioning central shaft; 12, limiting slide column; 13, limiting slide groove; 14, positioning hole; 15, positioning column; 16, reverse block; 17, plug-in column; 18, plug-in hole; 19, positioning clamping block; 20, positioning clamping groove; 21, first connecting hole; 22, second connecting hole; 23, support rib; 24, silica gel body. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of those skilled in the art, the present application will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the present application. The present application will be described in detail below in conjunction with the drawings.

[0027] A foot switch, such as Figures 1 to 5As shown, it includes bottom shell 1, control circuit board 2, top shell 3, elastic piece 4 and switch body 5;The bottom wall of the inner wall of the bottom shell 1 is provided with a plurality of support tables 6 extending upwards, a plurality of support tables 6 are annularly distributed, the control circuit board 2 is provided with a plurality of avoiding holes 7 for the support table 6 to pass through, the support table 6 is correspondingly arranged with the avoiding hole 7, the top shell 3 is detachably connected with the bottom shell 1, the middle part of the top shell 3 is provided with a through hole 8, the switch body 5 is movably arranged in the through hole 8, the upper end of the switch body 5 protrudes out of the upper end surface of the top shell 3 from the through hole 8, the middle part of the control circuit board 2 is provided with a key switch 9, the switch body 5 is correspondingly arranged with the key switch 9, the key switch 9 is located directly below the switch body 5, the upper end of the elastic piece 4 is connected / abuts with the switch body 5, the lower end of the elastic piece 4 is connected / abuts with the support table 6;Wherein, the elastic piece 4 is a spring. Specifically, the utility model novel structure, clever design, the control circuit board 2 of the utility model is installed on the bottom shell 1, and the initial positioning of the control circuit board 2 is realized by the support table 6 passing through the avoiding hole 7;The switch body 5 is located above the key switch 9, the elastic piece 4 is located between the support table 6 and the switch body 5, the upper end of the switch body 5 protrudes out of the upper end surface of the top shell 3 from the through hole 8, the upper end of the elastic piece 4 is connected with the switch body 5, the lower end of the elastic piece 4 is connected with the support table 6, under the setting, the elastic piece 4 is convenient for the reset of the switch body 5, and it is convenient for the user to use multiple times;And the lower end of the elastic piece 4 is connected with the support table 6, when the switch body 5 is pressed, the plurality of support tables 6 are stressed and act on the bottom shell 1, the plurality of support tables 6 are stressed and act on the bottom shell 1 together, the pressure is effectively dispersed, the bottom shell 1 is stressed, the problem that the elastic piece 4 of the traditional switch acts on the control circuit board 2 and then easily causes the deformation or damage of the control circuit board 2 is solved, and the structural reliability and working stability are improved.

[0028] In the embodiment of the application, the bottom of the switch body 5 is recessed to form a positioning cavity 10, a positioning middle shaft 11 is arranged in the middle of the positioning cavity 10, and the upper end of the elastic piece 4 is movably sleeved on the outer periphery of the positioning middle shaft 11. Specifically, under the above setting, the positioning of the elastic piece 4 is realized, the elastic piece 4 is prevented from deviating, the connection stability is ensured, and the normal use of the switch body 5 is facilitated.

[0029] In the embodiment of the application, the plurality of support tables 6 are equidistantly arranged on the inner wall bottom of the bottom shell 1. Specifically, under the setting, the uniformly distributed support tables 6 can better support the lower end of the elastic piece 4, and the downward pressure can be dispersed from the support tables 6 to the bottom shell 1.

[0030] In the embodiment of the present application, a limit slide 12 is further provided on one side of the support platform 6, and a plurality of limit slots 13 are provided at equal intervals on the lower end surface of the switch body 5. The limit slide 12 slides through the limit slots 13. Specifically, with this arrangement, when the switch body 5 is stepped on or pressed downward, the limit slide 12 and the limit slots 13 cooperate and slide in alignment, ensuring the accuracy and stability of the switch body 5 when moving downward or upward, and providing a reliable structure.

[0031] In the embodiment of the present application, the control circuit board 2 is provided with a plurality of positioning holes 14, and the bottom shell 1 is provided with a plurality of positioning posts 15, which are inserted into the positioning holes 14. Furthermore, undercut blocks 16 are provided on both sides of the bottom shell 1, and the undercut blocks 16 are used to buckle the outer edges of the control circuit board 2. Specifically, under the above arrangement, when the control circuit board 2 is assembled on the bottom shell 1, the positioning holes 14 and the positioning posts 15 cooperate and plug in, thereby locating the installation position of the control circuit board 2, improving the installation accuracy and stability. Furthermore, the undercut blocks 16 buckle the two sides of the control circuit board 2 to prevent the control circuit board 2 from loosening.

[0032] In the embodiment of the present application, plug-in posts 17 are further provided on both sides of the bottom shell 1, and a plug-in hole 18 that cooperates with the plug-in posts 17 is provided on the bottom of the top shell 3. Positioning blocks 19 are provided on both sides of the bottom shell 1, and positioning slots 20 are provided on the lower ends of both sides of the top shell 3. The positioning slots 20 engage with the positioning blocks 19. A plurality of first connection holes 21 are provided throughout the bottom shell 1, and a plurality of second connection holes 22 are provided on the top shell 3. The first connection holes 21 and the second connection holes 22 are provided correspondingly. Specifically, when assembling the bottom shell 1 and the top shell 3, the top shell 3 and the bottom shell 1 are positioned and assembled by engaging the plug-in posts 17 with the plug-in holes 18, and engaging the positioning slots 20 with the positioning slots 20. Furthermore, external screws can be used to connect to the first connection holes 21 and the second connection holes 22, thereby connecting and locking the top shell 3 and the bottom shell 1.

[0033] In the embodiment of the present application, a plurality of supporting ribs 23 are provided on the bottom of the inner wall of the bottom case 1, and the control circuit board 2 is placed on the supporting ribs 23. Specifically, under the above arrangement, a buffer space is formed between the control circuit board 2 and the bottom case 1, which not only facilitates heat dissipation, but also reduces pressure on the control circuit board 2, thereby ensuring the structural reliability of the control circuit board 2.

[0034] In the embodiment of the application, the silicone body 24 is arranged between the switch body 5 and the key switch 9; specifically, the silicone body 24 can bear the force of the user stepping on the embodiment of the application, protect the key switch 9, and avoid the key switch 9 being stepped on and damaged, and the structure is reliable.

[0035] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution belongs to the scope of the present application technical solution.

Claims

1. A foot switch, characterized in that: The switch body comprises a bottom shell, a control circuit board, a top shell, an elastic member and a switch body; a plurality of support platforms are provided on the bottom of the inner wall of the bottom shell, and the plurality of support platforms are distributed in a ring shape; a plurality of avoidance holes are provided through the control circuit board for the support platforms to pass through; the support platforms are provided corresponding to the avoidance holes; the top shell and the bottom shell are detachably connected; a through hole is provided in the middle of the top shell; the switch body is movably provided in the through hole; the upper end of the switch body protrudes from the upper end surface of the top shell through the through hole; a push switch is provided in the middle of the control circuit board; the switch body is provided corresponding to the push switch; the push switch is located directly below the switch body; the upper end of the elastic member is connected to the switch body, and the lower end of the elastic member is connected to the support platform.

2. A foot switch according to claim 1, characterized in that: The bottom of the switch body is recessed to form a positioning cavity, a positioning center axis is provided in the middle of the positioning cavity, and the upper end of the elastic member is movably sleeved on the outer periphery of the positioning center axis.

3. A foot switch according to claim 1, characterized in that: The plurality of support platforms are arranged in a ring at equal intervals on the bottom of the inner wall of the bottom shell.

4. A foot switch according to claim 1, characterized in that: A limiting slide post is further provided on one side of the support platform, and a plurality of limiting slide grooves are evenly spaced on the lower end surface of the switch body, and the limiting slide post is slidably inserted into the limiting slide grooves.

5. The foot switch according to claim 1, characterized in that: The control circuit board is provided with a plurality of positioning holes, and the bottom shell is provided with a plurality of positioning posts, which pass through the positioning holes.

6. The foot switch according to claim 1, characterized in that: The bottom shell is provided with undercut blocks on both sides, and the undercut blocks are used to buckle the two sides of the outer edge of the control circuit board.

7. The foot switch according to claim 1, characterized in that: Insertion posts are provided on both sides of the bottom shell, and insertion holes that match the insertion posts are provided on the bottom of the top shell.

8. The foot switch according to claim 1, characterized in that: Positioning blocks are provided on both sides of the bottom shell, and positioning slots are provided at the lower ends of both sides of the top shell, and the positioning slots are engaged with the positioning blocks.

9. The foot switch according to claim 1, characterized in that: The bottom shell is provided with a plurality of first connection holes, and the top shell is provided with a plurality of second connection holes, wherein the first connection holes are provided corresponding to the second connection holes.

10. The foot switch according to claim 1, characterized in that: A silicone body is provided between the switch body and the key switch.

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