CN221176025U

CN221176025U - High-reliability switch-on switch

Info

Publication number: CN221176025U
Application number: CN202322736394.4U
Authority: CN
Inventors: 郭琦; 宋伦华; 郑志成; 石健伟; 王众
Original assignee: Wenzhou Gangyuan Electronics Co ltd
Current assignee: Wenzhou Gangyuan Electronics Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-06-18
Anticipated expiration: 2033-10-11

Abstract

The application relates to a high-reliability switch-on, which relates to the technical field of micro switches and comprises a shell, a contact piece and a conducting plate, wherein a push rod and a pressure spring sleeved on the peripheral surface of the push rod are arranged in the shell; the end part of the shell, which is far away from the conducting strip, is provided with a protective cap, and the protective cap comprises a fixed part fixed on the shell and a flexible part for supporting one end of the push rod; due to the installation of the protective cap, the vehicle door can drive the push rod to act by extruding the flexible part of the protective cap when being closed, so that the push rod and the shell are protected and shielded, the possibility that rainwater or dust permeates into the shell through the installation gap between the shell and the push rod is reduced, and the service life of the switch is prolonged.

Description

High-reliability switch-on switch

Technical Field

The application relates to the technical field of micro-switches, in particular to a high-reliability on-switch.

Background

The automobile door signal switch is used for detecting the opening and closing operation of an automobile door, and transmitting related signals to a related control system of the automobile through the switch to display or remind a driver of the closing or opening state of the automobile door, so that accidents caused by the accidents of passengers are prevented.

In the related art, an automobile door signal switch comprises a shell, a contact piece, an elastic piece and a conducting piece, wherein a button is arranged on the shell, when a car door is opened, the elastic piece presses the contact piece to enable the contact piece to be abutted with the conducting piece, and at the moment, a circuit is switched on to remind a driver that the car door is not closed; when the vehicle door is in a closed state, the vehicle door presses the button, so that the elastic piece is pressed by the button, and then the contact piece and the conductive piece are disconnected, and the circuit is not connected.

In rainy or windy weather, especially in the case of ageing or damaging of the door sealing strip, more easily cause rainwater and dust infiltration inside the door, if the time is longer, can lead to entering into the inside rainwater of door or dust infiltration to switch on inside through the installation clearance of casing and button, if serious, can lead to this switch on invalid, the unable condition of transmitting of signal, exists the improvement room.

Disclosure of utility model

The application aims to provide a high-reliability switch-on switch, which solves the problems that in the related art, in rainy or windy weather, particularly in the case of aging or damage of a door sealing strip, rainwater and dust are easier to infiltrate into the interior of a door, if the time is long, the rainwater or the dust entering the interior of the door possibly infiltrates into the interior of the switch-on switch through an installation gap between a shell and a button, and if the time is serious, the switch-on switch is invalid and a signal cannot be transmitted.

The high-reliability on switch provided by the application adopts the following technical scheme:

The high-reliability switch comprises a shell, a contact piece and a conducting plate, wherein a push rod and a pressure spring sleeved on the outer peripheral surface of the push rod are arranged in the shell, a limiting piece for limiting the pressure spring is arranged in the shell, one side of the contact piece is fixed on the inner wall of the shell, one side of the conducting plate is fixed with one end of the push rod, and a positioning piece capable of being disconnected with the contact piece under the action of the pressure spring is arranged on the conducting plate; the end of the shell far away from the conducting strip is provided with a protective cap, and the protective cap comprises a fixing part fixed on the shell and a flexible part for supporting one end of the push rod.

Through adopting above-mentioned technical scheme, because the installation setting of helmet, the door can drive the action of push rod through the flexible portion of extrusion helmet when closing to this protects the shielding to push rod and casing, reduces rainwater or dust and penetrates the inside possibility of casing through casing and push rod installation clearance, with this realization is to the protection of casing, improves the performance of this switch-on switch, prolongs the life of this switch-on switch.

Optionally, a positioning rod is arranged on the flexible portion, and a positioning groove for embedding the positioning rod is formed in the end portion, away from the conductive sheet, of the push rod.

Through adopting above-mentioned technical scheme, because the cooperation setting of locating lever and constant head tank, at the equipment in-process of helmet, the locating lever on the flexible portion imbeds the constant head tank inside of push rod tip to this stability of equipment that improves push rod and helmet.

Optionally, the end border that the casing kept away from the conducting strip is equipped with the turn-ups, offer on the inner wall of fixed part and supply the turn-ups to insert annular draw-in groove.

Through adopting above-mentioned technical scheme, because the cooperation setting of turn-ups and annular draw-in groove, in the equipment in-process of fixed part and casing, make the turn-ups on the casing insert the annular draw-in groove inside on the fixed part to this equipment fixed of realization fixed part and casing.

Optionally, the fixing portion and the flexible portion are integrally formed.

By adopting the technical scheme, the fixing part and the flexible part are integrally processed and formed, so that the time required by connecting and fixing the fixing part and the flexible part is reduced.

Optionally, the contact piece is provided with a reinforcing protrusion, and the reinforcing protrusion is formed by stamping by a stamping device.

Through adopting above-mentioned technical scheme, owing to be equipped with on the contact piece and strengthen the arch, and strengthen protruding by stamping equipment stamping forming to this setting, both be convenient for strengthen bellied machine-shaping, also improve the structural strength of contact piece through strengthening the arch simultaneously, reduce the possibility that deformation appears in this contact piece after long-time use.

Optionally, the end of the push rod far away from the protective cap is provided with a caulking groove for embedding one side of the conducting strip.

By adopting the technical scheme, one side of the conductive sheet is embedded into the caulking groove at the end part of the push rod due to the caulking groove, so that the conductive sheet and the push rod are assembled and fixed.

Optionally, the conducting strip is provided with a bending piece, and the inner wall of the caulking groove is provided with a positioning through hole for the bending piece to be inserted.

Through adopting above-mentioned technical scheme, owing to the cooperation setting of bending portion and location through-hole, say the conducting strip and imbed the inside in-process of caulking groove, the conducting strip inserts inside the location through-hole that corresponds to this further improves the stability of assembling of conducting strip and push rod.

Optionally, the locating part is fixed at the spacing bulge loop of shells inner wall, the ladder groove has been seted up to the outer peripheral face of push rod, the one end of pressure spring supports tightly with the inner wall in ladder groove, the other end of pressure spring supports tightly with spacing bulge loop.

Through adopting above-mentioned technical scheme, because the cooperation setting of step groove on spacing bulge loop and the push rod, when the pressure spring installation, the one end of pressure spring supports tightly with the inner wall in step groove, and the other end of pressure spring supports tightly with spacing bulge loop to this realizes the installation spacing to the pressure spring, and the pressure spring is in compression state after the installation finishes, and the pressure spring makes the medial surface of push rod tip extrusion flexible portion through the step groove of backward extrusion push rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Because the installation setting of helmet, the action of push rod can be driven through the flexible portion of extrusion helmet when the door is closed to this protects the shielding to push rod and casing, reduces rainwater or dust and permeates the inside possibility of casing through casing and push rod installation clearance, realizes the protection to the casing, prolongs the life of this switch-on switch.

2. Because be equipped with on the contact piece and strengthen the arch, and strengthen protruding by stamping equipment stamping forming to this setting, both be convenient for strengthen bellied machine-shaping, also improve the structural strength of contact piece through strengthening the arch simultaneously, reduce the possibility that deformation appears in this contact piece after long-time use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application showing the installation and mating of a pushrod with a housing;

FIG. 3 is a schematic diagram of an exploded construction of an embodiment of the present application;

Fig. 4 is a schematic cross-sectional view of an embodiment of the present application showing the mounting engagement of the protective cap with the housing.

In the figure, 1, a shell; 11. a limiting piece; 111. a limit convex ring; 12. flanging; 13. a mounting part; 131. a first through hole; 14. a mounting groove; 2. a contact piece; 21. reinforcing the protrusion; 3. a conductive sheet; 31. a positioning sheet; 32. bending the sheet; 4. a push rod; 41. a positioning groove; 42. a stepped groove; 43. a caulking groove; 431. positioning the through hole; 5. a pressure spring; 6. a protective cap; 61. a fixing part; 611. an annular clamping groove; 612. a second through hole; 6121. a ring groove; 62. a flexible portion; 621. and a positioning rod.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

Examples:

Referring to fig. 1 and 2, a high reliability switch-on comprises a housing 1, a contact plate 2 and a conductive plate 3, wherein a push rod 4 and a pressure spring 5 sleeved on the outer peripheral surface of the push rod 4 are arranged in the housing 1, a limiting piece 11 limiting the pressure spring 5 is arranged in the housing 1, one side of the contact plate 2 is fixed on the inner wall of the housing 1, one side of the conductive plate 3 is fixed with one end of the push rod 4, a positioning plate 31 which can be disconnected with the contact plate 2 under the action of the pressure spring 5 is arranged on the conductive plate 3, and the disconnection of the positioning plate 31 on the contact plate 2 and the conductive plate 3 is controlled by pressing the push rod 4 and then extruding the pressure spring 5.

Referring to fig. 2 and 3, the contact piece 2 and the conductive piece 3 are made of conductive metal, the whole contact piece 2 is formed by bending three sections integrally, and meanwhile, a mounting groove 14 for embedding the middle section of the contact piece 2 is formed in the shell 1, so that the contact piece 2 and the shell 1 are assembled and fixed, and the contact piece is of a conventional structure and is not described in detail herein; and be equipped with on contact piece 2 and strengthen protruding 21, strengthen protruding 21 by stamping equipment stamping forming to this setting improves the structural strength of contact piece 2, reduces the possibility that this contact piece 2 appears deformation after long-time the use. The locating pieces 31 and the contact pieces 2 are integrally formed, the number of the locating pieces 31 is two, the two locating pieces 31 are oppositely arranged on the side faces of the conductive pieces 3, and the two locating pieces 31 can be simultaneously abutted to the contact pieces 2, so that the stability of the contact between the conductive pieces 3 and the contact pieces 2 is improved.

Referring to fig. 2, the end of the housing 1 far from the conductive sheet 3 is provided with a protective cap 6, wherein the protective cap 6 comprises a fixing part 61 fixed on the housing 1 and a flexible part 62 for abutting against one end of the push rod 4, thereby realizing the protection of the housing 1 and reducing the possibility of rainwater or dust penetrating into the housing 1; the fixing part 61 and the flexible part 62 are made of silicone rubber, the fixing part 61 and the flexible part 62 are integrally injection molded, the surface of the silicone rubber has good weather resistance, can resist the corrosion of severe environments such as sun, rain, high humidity and the like, has longer service life and stable performance, can not harden, become brittle or cohere and the like due to long-term use, has good durability and reliability,

Referring to fig. 2, a flange 12 is disposed at an edge of an end portion of the housing 1 far away from the conductive sheet 3, the flange 12 and the housing 1 are made of plastic, the flange 12 and the housing 1 are integrally injection molded, and an annular clamping groove 611 is formed in an inner wall of the fixing portion 61 for inserting the flange 12 into the annular clamping groove 611, so that the fixing portion 61 and the housing 1 are assembled and fixed, and the protective cap 6 and the housing 1 are assembled. The flexible portion 62 is provided with a positioning rod 621, wherein the end portion, far away from the conductive sheet 3, of the push rod 4 is provided with a positioning groove 41 for embedding the positioning rod 621, so that the push rod 4 is limited through the flexible portion 62, and a worker can drive the push rod 4 to move by pressing the flexible portion 62.

Referring to fig. 4, the limiting member 11 is a limiting convex ring 111 fixed on the inner wall of the casing 1, wherein a stepped groove 42 is formed on the outer circumferential surface of the push rod 4, when the compression spring 5 is installed, one end of the compression spring 5 abuts against the inner wall of the stepped groove 42, the other end of the compression spring 5 abuts against the limiting convex ring 111, so that the installation limit of the compression spring 5 is realized, and after the installation is completed, the compression spring 5 is in a compressed state, and the end of the push rod 4 is extruded by the compression spring 5 to the inner side surface of the flexible portion 62 through backward extrusion of the stepped groove 42 of the push rod 4.

Referring to fig. 4, the housing 1 is provided with a mounting portion 13, a first through hole 131 is formed in the mounting portion 13, a second through hole 612 coaxial with the first through hole 131 is formed in the fixing portion 61, and a ring groove 6121 for the housing 1 to be placed in is formed in the inner wall of the second through hole 612, so that the edge of the mounting portion 13 is covered, the waterproof or dustproof performance of the mounting portion 13 is ensured, the housing 1 is fixed in the vehicle after penetrating through the first through hole 131 and the second through hole 612 through a screw, and accordingly the mounting and fixing of the housing 1 are achieved.

Referring to fig. 3 and 4, an insertion groove 43 for inserting one side of the conductive sheet 3 is formed at the end of the push rod 4 far away from the protective cap 6, a bending sheet 32 is arranged at the part of the conductive sheet 3 inserted into the insertion groove 43, and a positioning through hole 431 for inserting the bending sheet 32 is formed on the inner wall of the insertion groove 43, so that the push rod 4 and the conductive sheet 3 are assembled and fixed.

The implementation principle of the embodiment of the application is as follows:

In the application process of the switch, when the vehicle door is closed, the protective cap 6 is pressed, the push rod 4 is further pressed, and meanwhile, the pressure spring 5 in the shell 1 is also pressed, so that the contact piece 2 and the conductive piece 3 are disconnected; when the vehicle door is opened, under the action of resilience force of the pressure spring 5, the pressure spring 5 enables the end part of the push rod 4 to extrude the inner side surface of the flexible part 62 through backward extrusion of the stepped groove 42 of the push rod 4, and meanwhile, the conducting strip 3 fixedly connected with the push rod 4 is abutted against the contact piece 2, and at the moment, a circuit connected with the on switch is communicated, so that a driver is reminded that the vehicle door is not closed at the moment.

Unless defined otherwise, terms or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like, as used in this specification, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a high reliability switch-on, includes casing (1), contact piece (2) and conducting strip (3), the inside of casing (1) is equipped with push rod (4), cover and establishes pressure spring (5) at push rod (4) outer peripheral face, be equipped with in casing (1) to pressure spring (5) spacing locating piece (11), one side of contact piece (2) is fixed at casing (1) inner wall, one side of conducting strip (3) is fixed with the one end of push rod (4), be equipped with on conducting strip (3) under pressure spring (5) effect can with contact piece (2) disconnected spacer (31);

The protective cap is characterized in that the end part, far away from the conducting strip (3), of the shell (1) is provided with the protective cap (6), and the protective cap (6) comprises a fixing part (61) fixed on the shell (1) and a flexible part (62) for propping one end of the push rod (4).

2. The high-reliability on switch according to claim 1, wherein the flexible portion (62) is provided with a positioning rod (621), and the end portion of the push rod (4) away from the conductive sheet (3) is provided with a positioning groove (41) into which the positioning rod (621) is inserted.

3. The high-reliability on switch according to claim 1, wherein a flange (12) is provided at an edge of the end portion of the housing (1) far from the conductive sheet (3), and an annular clamping groove (611) is provided on an inner wall of the fixing portion (61) for inserting the flange (12).

4. A high reliability on-switch according to claim 1, characterized in that the fixing portion (61) and the flexible portion (62) are integrally formed.

5. A high reliability on-switch according to claim 1, characterized in that the contact piece (2) is provided with a reinforcing protrusion (21), which reinforcing protrusion (21) is stamped and formed by a stamping device.

6. A high reliability on-switch according to claim 1, characterized in that the end of the push rod (4) remote from the protective cap (6) is provided with a caulking groove (43) for embedding one side of the conductive sheet (3).

7. The high-reliability on-switch according to claim 6, wherein the conductive sheet (3) is provided with a bending sheet (32), and the inner wall of the caulking groove (43) is provided with a positioning through hole (431) for inserting the bending sheet (32).

8. The high-reliability on switch according to claim 1, wherein the limiting piece (11) is a limiting convex ring (111) fixed on the inner wall of the shell (1), the outer circumferential surface of the push rod (4) is provided with a stepped groove (42), one end of the pressure spring (5) is abutted against the inner wall of the stepped groove (42), and the other end of the pressure spring (5) is abutted against the limiting convex ring (111).