Pedal pedal switch

Abstract

The utility model discloses a pedal pedal switch, which comprises a base and a pedal, the base is provided with a seat body, the top surface of the seat body is provided with a rectangular frame body, the pedal side wall of the pedal is rotatably arranged on the frame body side wall of the rectangular frame body through a rotating shaft, the rectangular frame body is internally provided with a micro switch and a reset spring, and the micro switch is connected with the reset spring. A rotating shaft is arranged on the base, an annular groove is formed in the rotating shaft, a supporting column is arranged in the rectangular frame body of the base, an adjusting screw is arranged on the supporting column, and the adjusting screw is inserted into the annular groove. According to the utility model, the end part of the adjusting screw is inserted into the annular groove, so that the rotating shaft is limited leftwards and rightwards, the rotating shaft is prevented from moving leftwards and rightwards, the position of the rotating shaft is kept unchanged after long-time use, the rotating shaft is prevented from falling off and losing efficacy, the reliability is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of foot switches, in particular to a pedal foot switch. Background Art

[0002] Foot switches are used to replace the operator's hands and are widely used in medical equipment, stamping equipment, engineering machinery and other equipment.

[0003] In order to protect internal components, improve reliability and extend service life, Chinese utility model patent CN215007972U provides an integrated foot switch, including a base, both sides of the top of the base are fixedly connected to a fixed seat, and the inner cavity of the fixed seat is rotatably connected to a rotating shaft through a bearing. After stepping on the top cover, the top cover triggers the micro switch unit body to switch. This solution has the following defects:

[0004] The rotating shaft is rotatably arranged on the two side walls of the base. After long-term use, wear occurs between the two, and the matching clearance increases, so that the rotating shaft is easy to come off from the side walls of the base, causing the switch to fail.

[0005] In view of this, it is necessary to improve the existing pedal foot switch to limit the left and right movement of the rotating shaft, improve reliability and extend service life. Utility Model Content

[0006] In view of the above defects, the technical problem to be solved by the utility model is to provide a pedal foot switch to solve the existing

[0007] To this end, the pedal foot switch provided by the utility model includes a base and a pedal, the base has a seat body, a rectangular frame body is provided on the top surface of the seat body, the pedal side wall of the pedal is rotatably arranged on the frame side wall of the rectangular frame body through a rotating shaft, a micro switch and a reset spring are provided in the rectangular frame body, an annular groove is provided on the rotating shaft, a support column is provided in the rectangular frame body of the base, an adjustment screw is provided on the support column, and the adjustment screw is inserted into the annular groove.

[0008] In the above technical solution, preferably, the seat body is in the shape of a triangular wedge.

[0009] In the above technical solution, preferably, the micro switch is fixed on the inner wall of the side wall of the frame.

[0010] In the above technical solution, preferably, the return spring adopts a conical spring structure.

[0011] In the above technical solution, preferably, a through hole cooperating with the rotating shaft is provided on the side wall of the frame, and a vertically arranged thickened portion is provided at a position on the side wall of the frame corresponding to the through hole.

[0012] In the above technical solution, preferably, the micro switch is a waterproof micro switch, and the wire outlet interface on the seat body is sealed by epoxy resin.

[0013] It can be seen from the above technical solution that the pedal switch provided by the utility model solves the problem that the rotating shaft of the prior art is easy to fall off from the side wall of the base, causing the switch to fail. Compared with the prior art, the utility model has the following beneficial effects:

[0014] An annular groove is provided on the rotating shaft, and a supporting column is provided in the rectangular frame of the base. An adjusting screw is provided on the supporting column. The end of the adjusting screw is inserted into the annular groove, which can limit the rotating shaft to the left and right to prevent the rotating shaft from moving left and right. The position of the rotating shaft remains unchanged during long-term use and will not fall off and fail, thereby improving reliability and extending service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce and illustrate the drawings required for use in the embodiments of the utility model or the description of the prior art. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 A schematic diagram of a pedal foot switch provided by the utility model;

[0017] Figure 2 for Figure 1 The internal structure of the pedal foot switch and the assembly diagram of the rotating shaft are shown;

[0018] Figure 3 for Figure 1 Schematic diagram of the pedal assembly of the pedal foot switch shown.

[0019] Figure 1-Figure 3 middle,

[0020] Base 10, pedal 20, rotating shaft 30, waterproof micro switch 40, return spring 50;

[0021] Base body 11, rectangular frame body 12, adjustment screw 13, thickened portion 14;

[0022] Annular groove 31. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the embodiments of the utility model to clearly and completely describe the technical solutions of the embodiments of the utility model. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In order to more clearly explain and illustrate the technical solution and implementation of the present utility model, several preferred specific embodiments for implementing the technical solution of the present utility model are introduced below.

[0025] It should be noted that the directional words such as "inside, outside", "front, back" and "left, right" in this article are expressed based on the product usage status. Obviously, the use of the corresponding directional words does not constitute a limitation on the protection scope of this scheme.

[0026] See also Figure 1 , Figure 2 and Figure 3 , Figure 1 A schematic diagram of a pedal foot switch provided by the utility model, Figure 2 for Figure 1 The internal structure of the pedal foot switch and the assembly diagram of the rotating shaft are shown in FIG. Figure 3 for Figure 1 Schematic diagram of the pedal assembly of the pedal foot switch shown.

[0027] like Figure 1 , Figure 2 , Figure 3 As shown, the utility model provides a pedal foot switch, which includes a base 10 and a pedal 20.

[0028] The base 10 has a triangular wedge-shaped seat body 11 , a rectangular frame body 12 is provided on the sloped top surface of the seat body 11 , and the pedal side wall of the pedal 20 is rotatably disposed on the frame side wall of the rectangular frame body 12 via a rotating shaft 30 .

[0029] A waterproof micro switch 40 and a return spring 50 are provided in the rectangular frame 12. The waterproof micro switch 40 is fixed on the inner wall of the frame side wall, which is more convenient to install and fix than being arranged in the middle. In this embodiment, the return spring 50 can adopt a conical spring structure, with a smaller diameter at the upper end and a more sensitive response.

[0030] In the utility model, the outlet interface on the seat body 11 is sealed by epoxy resin, and the waterproof grade can reach IPX8.

[0031] An annular groove 31 is provided on the rotating shaft 30, and a supporting column is provided in the rectangular frame 12 of the base 10. The supporting column is provided with an adjusting screw 13. The adjusting screw 13 is inserted into the annular groove 31 to limit the rotating shaft 30 to the left and right to prevent the rotating shaft 30 from moving left and right.

[0032] See also Figure 2 A through hole matching the rotating shaft 30 is provided on the side wall of the frame, and a vertically arranged thickened portion 14 is provided at a position corresponding to the through hole on the side wall of the frame, thereby improving the supporting strength of the rotating shaft 30, improving the wear resistance, and extending the service life.

[0033] Based on the description of the above specific embodiments, the pedal switch provided by the utility model has the following advantages compared with the prior art:

[0034] First, an annular groove is provided on the rotating shaft, and a supporting column is provided in the rectangular frame of the base. An adjusting screw is provided on the supporting column. The end of the adjusting screw is inserted into the annular groove, which can limit the rotating shaft to the left and right to prevent the rotating shaft from moving left and right. The position of the rotating shaft remains unchanged during long-term use and will not fall off and fail, thereby improving reliability and extending service life.

[0035] Second, the return spring adopts a conical spring structure with a smaller diameter at the upper end, making it more responsive.

[0036] Thirdly, a through hole cooperating with the rotating shaft is provided on the side wall of the frame, and a vertically arranged thickened portion is provided at a position corresponding to the through hole on the side wall of the frame, thereby improving the supporting strength of the rotating shaft, improving the wear resistance and extending the service life.

[0037] Finally, it should be noted that the terms "comprises", "includes" or any other variants thereof as used herein are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0038] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone should be aware of the structural changes made under the inspiration of the present invention. All technical solutions that are the same or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A pedal foot switch, comprising a base and a pedal, wherein the base has a seat body, a rectangular frame body is provided on the top surface of the seat body, the pedal side wall of the pedal is rotatably arranged on the frame side wall of the rectangular frame body through a rotating shaft, a micro switch and a reset spring are provided in the rectangular frame body, characterized in that: An annular groove is arranged on the rotating shaft, a supporting column is arranged in the rectangular frame of the base, an adjusting screw is arranged on the supporting column, and the adjusting screw is inserted into the annular groove.

2. The pedal foot switch according to claim 1, characterized in that: The seat body is in the shape of a triangular wedge.

3. The pedal switch according to claim 1, characterized in that: The micro switch is fixed on the inner wall of the side wall of the frame.

4. The pedal switch according to claim 1, characterized in that: The return spring adopts a cone spring structure.

5. The pedal foot switch according to claim 1, characterized in that: The side wall of the frame is provided with a through hole matched with the rotating shaft, and a vertically arranged thickened portion is provided at a position on the side wall of the frame corresponding to the through hole.

6. The pedal foot switch according to claim 1, characterized in that: The micro switch is a waterproof micro switch, and the wire outlet interface on the seat body is sealed by epoxy resin.

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