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CN-224232565-U - Soft touch switch with good stability

CN224232565UCN 224232565 UCN224232565 UCN 224232565UCN-224232565-U

Abstract

The utility model belongs to the field of tact switches, in particular to a tact switch with good stability, which comprises a base component, a shell component, a pressing component, a sealing sleeve, a static contact point and a sliding block, wherein the base component is provided with a metal elastic sheet and symmetrically distributed sliding rails, the shell component is detachably connected with a threaded lug of a base through a threaded groove at the bottom, the pressing component consists of a pressing head, a connecting rod and a dynamic contact point, vertical pressing is realized through a first connecting rod penetrating through the sealing sleeve, the dynamic contact point is hemispherical and is matched with an annular structure of the static contact point, the sliding block is in sliding fit with the sliding rail to limit offset, and a spiral spring is sleeved on a second connecting rod, and two ends of the spiral spring are respectively abutted against the butt joint block and the connecting rod to provide uniform reset elastic force.

Inventors

  • ZHAO GAOJIE
  • ZHONG CHUNFANG
  • ZHU HUIPENG
  • ZHAO YANBIN

Assignees

  • 浙江键富电子有限公司

Dates

Publication Date
20260512
Application Date
20250605

Claims (8)

  1. 1. A light touch switch with good stability, characterized by comprising the following steps: The base assembly (1), the base assembly (1) comprises a base (101), a butt joint block (103) is fixedly connected to the center of the base (101), a sliding rail (104) is fixedly connected to the top end surface of the base (101), and a metal elastic sheet (105) is fixedly connected to the outer surface of the base (101); the shell assembly (2), the shell assembly (2) comprises a shell (201), and a through hole (202) is formed in the top of the shell (201); The pressing assembly (3), the pressing assembly (3) comprises a pressing head (301), a first connecting rod (302) is fixedly connected to the bottom end of the pressing head (301), and a second connecting rod (303) is fixedly connected to the bottom end of the first connecting rod (302); The sealing sleeve (4) is embedded in the through hole (202), and the first connecting rod (302) penetrates through the sealing sleeve (4); The static contact point (5), the static contact point (5) is fixedly connected to the top of the butt joint block (103), and four pins (6) are fixedly connected to the outer surface of the static contact point (5); the sliding block (7), sliding block (7) and slide rail (104) sliding fit, sliding block (7) fixed connection is on the surface of head rod (302), the bottom fixedly connected with dynamic contact point (8) of second connecting rod (303), the cover is equipped with coil spring (9) on second connecting rod (303).
  2. 2. The tact switch with good stability according to claim 1, wherein the number of the sliding blocks (7) and the number of the sliding rails (104) are two, and the two sliding blocks (7) and the two sliding rails (104) are horizontally and symmetrically distributed about the first connecting rod (302).
  3. 3. The tact switch with good stability according to claim 1, wherein the bottom of the housing (201) is provided with a thread groove (203), and the top of the base (101) is fixedly connected with a thread bump (102).
  4. 4. A stable tact switch according to claim 3, wherein the threaded projection (102) is threadedly engaged with the threaded groove (203).
  5. 5. A stable tact switch according to claim 1, characterized in that the dynamic contact point (8) is hemispherical and matches the specification of the static contact point (5).
  6. 6. A stable tact switch according to claim 1, characterized in that four pins (6) extend through the base (101) and are equiangularly distributed.
  7. 7. The tact switch with good stability according to claim 1, wherein the butt joint block (103) is provided with a through groove, and the pin (6) penetrates through the through groove of the butt joint block (103).
  8. 8. The tact switch with good stability according to claim 1, wherein the bottom end of the coil spring (9) is lapped on the top end surface of the butt joint block (103), and the top end of the coil spring (9) is lapped on the bottom end surface of the first connecting rod (302).

Description

Soft touch switch with good stability Technical Field The utility model relates to the field of tact switches, in particular to a tact switch with good stability. Background The touch switch is an electronic switch, belongs to electronic components, and is generally arranged on a switch panel, and is embedded and fixed, and the embedded switch is generally arranged in a corresponding mounting groove of the switch panel. However, the existing tact switch with good stability has the following defects: The traditional switch is fixed by the bolts, and cannot be adapted to panels with different thicknesses, so that the installation efficiency is low. The reset stability is poor, the single spring design is easy to cause pressing deflection, and the dynamic contact point and the static contact point are misplaced, so that the tact switch with good stability is provided for the problems. Disclosure of utility model In order to overcome the defects of poor installation compatibility and poor reset stability in the prior art, the utility model provides a tact switch with good stability. The technical scheme adopted by the utility model for solving the technical problems is that the tact switch with good stability comprises a base assembly, a shell assembly, a pressing assembly, a sealing sleeve, a static contact point and a sliding block. The base assembly comprises a base, a butt joint block is fixedly connected to the center of the base, a sliding rail is fixedly connected to the top end face of the base, and a metal elastic sheet is fixedly connected to the outer surface of the base. The shell assembly comprises a shell, and a through hole is formed in the top of the shell. The pressing assembly comprises a pressing head, a first connecting rod is fixedly connected to the bottom end of the pressing head, and a second connecting rod is fixedly connected to the bottom end of the first connecting rod. The sealing sleeve is embedded and installed in the through hole, and the first connecting rod penetrates through the sealing sleeve. The static contact point is fixedly connected to the top of the butt joint block, and four pins are fixedly connected to the outer surface of the static contact point. The sliding block is in sliding fit with the sliding rail, the sliding block is fixedly connected to the outer surface of the first connecting rod, the bottom end of the second connecting rod is fixedly connected with a dynamic contact point, and a spiral spring is sleeved on the second connecting rod. Preferably, the number of the sliding blocks and the sliding rails is two, and the two sliding blocks and the two sliding rails are horizontally and symmetrically distributed about the first connecting rod. Preferably, a thread groove is formed in the bottom of the shell, and a thread lug is fixedly connected to the top of the base. Preferably, the thread protrusion is in threaded engagement with the thread groove. Preferably, the dynamic contact point is hemispherical and matches the specification of the static contact point. Preferably, four pins penetrate through the base and are distributed at equal angles. Preferably, the butt joint block is provided with a through groove, and the pins penetrate through the through groove of the butt joint block. Preferably, the bottom end of the coil spring is lapped on the top end face of the butt joint block, and the top end of the coil spring is lapped on the bottom end face of the first connecting rod. The utility model has the advantages that: 1. According to the utility model, through the elastic bending structural design of the metal elastic sheet, the self-adaptive clamping function of the switch and the mounting panel with different thickness is realized, the problems of low mounting efficiency and poor compatibility caused by the fact that the traditional switch is fixed by the bolts are solved, and the suitability and the operation convenience of embedded mounting are improved. 2. According to the utility model, through the design of the horizontal symmetrical distribution structure of the double slide rails and the slide blocks, the vertical accurate guiding function of the pressing component is realized, the problem of contact dislocation caused by easy deflection of the single-rail spring switch is solved, the contact stability of the dynamic contact point and the static contact point is improved, and the service life of the switch is prolonged. 3. The utility model realizes the point-surface low-resistance conduction function through the design of the hemispherical shape of the dynamic contact point and the annular matching structure of the static contact point, solves the problems of large friction loss and high contact resistance of the planar contact point, and improves the conduction efficiency. Drawings In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodime