WO2022142161A1 - 一种单触点信号开关 - Google Patents

一种单触点信号开关 Download PDF

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Publication number
WO2022142161A1
WO2022142161A1 PCT/CN2021/099978 CN2021099978W WO2022142161A1 WO 2022142161 A1 WO2022142161 A1 WO 2022142161A1 CN 2021099978 W CN2021099978 W CN 2021099978W WO 2022142161 A1 WO2022142161 A1 WO 2022142161A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
movable contact
contact terminal
static contact
terminal
Prior art date
Application number
PCT/CN2021/099978
Other languages
English (en)
French (fr)
Inventor
韩垂华
Original Assignee
温州市三峻轿车配件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 温州市三峻轿车配件有限公司 filed Critical 温州市三峻轿车配件有限公司
Publication of WO2022142161A1 publication Critical patent/WO2022142161A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/10—Bases; Stationary contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon

Definitions

  • the invention relates to a single-contact signal switch.
  • the existing structure is a bridge structure.
  • the two silver contacts and the silver contact on the stationary contact seat form an electrical circuit, and the contact resistance is large;
  • the moving contact will also shift in the circumferential position relative to the static contact. Due to the large load of the reverse switch of the automobile gearbox , It is easy to produce arcing carbon deposits and arcing phenomena. The carbon deposits will scatter around and accumulate around the contact point of the silver contact. If the position of the moving contact shifts, it will come into contact with the carbon deposit, causing the switch to light up when it is on. not bright.
  • the purpose of the present invention is to propose a single-contact signal switch in order to solve the shortcomings in the prior art.
  • a single-contact signal switch including a casing, a socket, a movable contact and a static contact
  • the casing is provided with a through cavity, and two ends of the through cavity are respectively provided with a
  • the upper section of the through-cavity is the socket piece installation cavity, the socket piece is installed in the socket piece installation cavity through an opening, the socket piece is provided with an installation cavity, and the installation cavity is separated by the upper cover;
  • the socket piece installation cavity is larger than the ejector rod assembly installation cavity,
  • a first stepped surface is arranged between the two, and a sealing sheet covering the upper end of the mounting cavity of the ejector rod assembly is arranged between the lower end of the socket piece and the first stepped surface;
  • a contact mounting cavity is formed between the sealing sheet and the lower end of the mounting cavity;
  • a movable contact terminal and a static contact terminal are arranged in the installation cavity, a movable contact arm is arranged on one end of the movable contact terminal,
  • one end of the movable contact terminal and one end of the static contact terminal extend into the contact installation cavity, and one end of the movable contact terminal is provided with a movable contact arm, and the movable contact arm is provided with a movable contact;
  • the movable contact is located above the driving point, the movable contact arm located outside the movable contact is provided with a reset spring installation groove, the lower end of the upper cover is provided with a protrusion, one end of the reset spring is pressed against the reset spring installation groove, and the other end is sleeved on the protrusion The outer side is pressed against the lower end of the upper cover, and the return spring is sleeved on the outer side of the movable contact and the static contact;
  • one end of the static contact terminal extending into the contact installation cavity passes through the through hole, and the return spring is also sleeved outside one end of the static contact terminal passing through the protrusion.
  • the other end of the terminal is provided with a reduced section of the static contact terminal, a third step surface is formed between the reduced section of the static contact terminal and the static contact terminal, and the reduced section of the static contact terminal is exposed on the upper cover;
  • the movable contact arm is vortex-shaped, and the other end of the movable contact terminal is provided with a reduced section of the movable contact terminal.
  • a second step surface is formed between the reduced section of the movable contact terminal and the movable contact terminal, and the movable contact is wired.
  • the reduced section of the column passes through the first through hole on the upper cover and is exposed on the upper cover.
  • the size of the first through hole matches the reduced section of the movable contact terminal;
  • the other end of the movable contact arm is the installation slot for the return spring, and the return spring
  • the middle of the installation slot is the moving contact, and the underside of the other end of the moving contact arm is the driving point;
  • the outer side of the mounting cavity of the ejector rod assembly of the casing is stud-shaped and has threads.
  • the ejector rod assembly includes a main body, a ejector rod spring and a ejector rod.
  • the upper end of the main body is provided with an upper groove, and the lower end of the ejector rod is inserted into the upper groove.
  • the lower end of the main body is provided with a lower concave, the balls are arranged in the lower inner concave, and the inner side wall opening of the lower inner concave is inclined inward to limit the balls to disengage downwards;
  • the inner side of the ejector rod assembly installation cavity is provided with
  • the fourth step surface that limits the falling off of the main body is provided, and the outer side of the main body is provided with a limit ring corresponding to the third step surface.
  • the outer side of the socket piece is cylindrical and is installed in the socket piece installation cavity, the outer edge of the sealing sheet is pressed against the bottom surface of the socket piece installation cavity, and the outer edge of the sealing sheet is also provided with a sealing ring on the upper and lower surfaces to seal against the outer edge of the socket piece. piece.
  • the upper end of the side wall of the socket piece installation cavity is inclined inward to limit the socket piece, and the outer side of the socket piece is provided with an annular protrusion corresponding to the inclination of the side wall of the socket piece installation cavity.
  • the sealing sheet is provided with an insulating top corresponding to the upper end of the ejector rod assembly; a return spring is provided between the insulating top and the upper cover, and a movable contact terminal and a static contact terminal are also provided on the upper cover.
  • One end of the contact terminal and one end of the static contact terminal extend into the contact installation cavity, and one end of the movable contact terminal is provided with a movable contact arm, and the movable contact arm is provided with a moving contact;
  • the static contact wiring A static contact seat is arranged on one end of the column, and a static contact is arranged on the static contact seat; the moving contact and the static contact are located on the same vertical axis, and the moving contact arm is fixedly connected with the insulating top;
  • the movable contact arm includes a horizontal segment and an arc surface segment.
  • the center of the horizontal segment is provided with a snap groove, and the center of the upper end of the insulating top is provided with a protrusion.
  • the lower end of the return spring abuts on the movable contact arm, one end of the horizontal section is provided with a movable contact vertically above the stationary contact, the other end of the horizontal section is connected to a section of the arc section, and the other end of the arc section is connected to the movable contact
  • the other end of the movable contact terminal is provided with a reduced section of the movable contact terminal, a second step surface is formed between the reduced section of the movable contact terminal and the movable contact terminal, and the reduced section of the movable contact terminal Passing through the first through hole on the upper cover and exposed on the upper cover, the size of the first through hole is matched with the reduced section of the movable contact terminal;
  • One end of the static contact terminal is set on the sealing sheet to maintain a gap between the sealing sheet, the static contact seat is an arc force arm, one end of the static contact seat is connected to the static contact terminal, and the other end of the static contact seat is provided with a static contact.
  • the static contact and the sealing sheet maintain a gap, the static contact seat is lower than the movable contact arm, the other end of the static contact terminal is provided with a reduced section of the static contact terminal, the reduced section of the static contact terminal and the static contact terminal
  • a third step surface is formed therebetween, and the reduced section of the static contact terminal passes through the second through hole on the upper cover and is exposed on the upper cover, and the size of the second through hole matches the reduced section of the static contact terminal.
  • the outer side of the ejector rod assembly mounting cavity of the housing is stud-shaped with threads, the lower end of the ejector rod assembly mounting cavity is provided with a limiting ring, and the limiting balls are disengaged downward; the outer side of the socket piece mounting cavity of the housing is nut-shaped.
  • the outer side of the socket piece is cylindrical and installed in the socket piece installation cavity, the outer edge of the sealing sheet is pressed against the bottom surface of the socket piece installation cavity, and the outer edge of the sealing sheet is also provided with sealing rings on the upper and lower surfaces.
  • the lower end of the insulating top is a spherical protrusion.
  • a partition is provided between the reduced section of the stationary contact terminal and the reduced section of the movable contact terminal located on the upper side of the upper cover.
  • the corners of the first step surface are rounded.
  • FIG. 1 is a cross-sectional view of Embodiment 2.
  • FIG. 1 is a cross-sectional view of Embodiment 2.
  • FIG. 2 is a schematic structural diagram of Embodiment 2.
  • FIG. 2 is a schematic structural diagram of Embodiment 2.
  • FIG. 3 is a schematic diagram of the structure of the socket member in Embodiment 2.
  • FIG. 3 is a schematic diagram of the structure of the socket member in Embodiment 2.
  • FIG. 4 is a schematic diagram of the structure of the ejector rod assembly and the movable contact in Embodiment 2.
  • FIG. 4 is a schematic diagram of the structure of the ejector rod assembly and the movable contact in Embodiment 2.
  • FIG. 5 is a schematic structural diagram of the movable contact and the sealing sheet in Embodiment 2.
  • FIG. 5 is a schematic structural diagram of the movable contact and the sealing sheet in Embodiment 2.
  • FIG. 6 is a cross-sectional view of Example 3.
  • FIG. 7 is a schematic structural diagram of Embodiment 3.
  • FIG. 7 is a schematic structural diagram of Embodiment 3.
  • FIG. 8 is a schematic diagram of the structure of the socket member in Embodiment 3.
  • FIG. 8 is a schematic diagram of the structure of the socket member in Embodiment 3.
  • FIG. 9 is a schematic diagram of the structure of the ejector rod assembly and the movable contact in Embodiment 3.
  • FIG. 9 is a schematic diagram of the structure of the ejector rod assembly and the movable contact in Embodiment 3.
  • FIG. 10 is a schematic structural diagram of the movable contact and the sealing sheet in Embodiment 3.
  • FIG. 10 is a schematic structural diagram of the movable contact and the sealing sheet in Embodiment 3.
  • 1 is the shell, 2 is the socket, 3 is the moving contact, 4 is the static contact, 5 is the upper cover, 6 is the sealing sheet, 7 is the ball, 8 is the first step surface, 9 is the ejector rod assembly, 10 is the Insulation top, 11 is the movable contact terminal, 12 is the static contact terminal, 13 is the return spring, 14 is the reduced section of the movable contact terminal, 15 is the reduced section of the static contact terminal, and 16 is the static contact Seat, 17 is the movable contact arm, 18 is the sealing ring, 19 is the horizontal section, 20 is the arc section, 21 is the protrusion, 22 is the limit ring, 23 is the main body, 24 is the ejector spring, 25 is the ejector, 26 is the driving point, 27 is the return spring installation groove, 28 is the partition plate, 29 is the semicircular protrusion, 30 is the corner of the first step surface, 31 is the upper groove, and 32 is the lower concave.
  • a single-contact signal switch includes a casing, a socket, a movable contact and a static contact.
  • the casing is provided with a through cavity, and two ends of the through cavity are respectively provided with an opening.
  • the upper section is the socket piece installation cavity, the socket piece is installed in the socket piece installation cavity through an opening, the socket piece is provided with an installation cavity, and the installation cavity is separated by the upper cover;
  • the socket piece installation cavity is larger than the ejector rod assembly installation cavity, between A first stepped surface is provided, and a sealing sheet covering the upper end of the mounting cavity of the ejector rod assembly is arranged between the lower end of the socket piece and the first stepped surface;
  • a contact mounting cavity is formed between the sealing sheet and the lower end of the mounting cavity;
  • There are a movable contact terminal and a static contact terminal one end of the movable contact terminal is provided with a movable contact arm, the movable contact arm is provided with a moving contact, and the static contact terminal is provided with a static contact point, the ejector rod assembly is driven by force to close or disconnect the movable contact and the stationary contact;
  • a return spring is arranged between the movable contact arm and the upper cover to drive the movable contact to
  • a single-contact signal switch comprising a casing 1, a socket piece 2, a movable contact 3 and a static contact 4, the casing 1 is provided with a through cavity, the two ends of the through cavity are respectively provided with an opening, and the upper section of the through cavity is a socket piece
  • the installation cavity, the socket piece 2 is installed in the socket piece installation cavity through an opening, the socket piece is provided with an installation cavity, and the installation cavity is separated by the upper cover 5;
  • the other end of the through cavity is the ejector rod assembly installation cavity, and the ejector rod assembly 9 passes through another
  • One opening is installed in the installation cavity of the ejector rod assembly, and the other opening is provided with a ball 7 that drives the ejector rod assembly 9 to be pushed up.
  • the installation cavity of the socket piece is larger than the installation cavity of the ejector rod assembly, and there is a first step surface 8 between the two.
  • a sealing sheet 6 covering the upper end of the mounting cavity of the ejector rod assembly is provided between the lower end of the socket part and the first step surface;
  • a contact mounting cavity is formed between the sealing sheet 6 and the lower end of the mounting cavity;
  • a moving contact is also provided on the upper cover 5
  • the point terminal 11 and the static contact terminal 12, one end of the movable contact terminal and one end of the static contact terminal extend into the contact installation cavity, and one end of the movable contact terminal is provided with a movable contact arm 17, and the movable contact terminal is provided with a movable contact arm 17.
  • a movable contact 3 is provided on the contact arm 17; a stationary contact 4 is provided on one end of the stationary contact terminal 12; the movable contact 3 and the stationary contact 4 are located on the same vertical axis, and the movable contact arm is located on the top rod
  • a driving point 26 is provided at the upper end of the assembly, and a return spring 13 is provided between the movable contact arm 17 and the upper cover 5 .
  • a single-contact signal switch the movable contact 3 is located above the driving point, the movable contact arm located outside the movable contact is provided with a reset spring installation groove 27, the lower end of the upper cover 5 is provided with a protrusion 21, and one end of the reset spring 13 is provided. Abutting on the return spring installation groove 27, the other end is sleeved on the outside of the protrusion 21 and abuts on the lower end of the upper cover, and the return spring is sleeved on the outside of the movable contact 3 and the stationary contact 4.
  • a single-contact signal switch the center of the protrusion 21 is provided with a through hole, one end of the static contact terminal 12 extending into the contact installation cavity passes through the through hole, and the return spring 13 is also sleeved on the through hole passing through the protrusion.
  • the other end of the static contact terminal 12 is provided with a reduced section 15 of the static contact terminal, and a third step surface is formed between the reduced section of the static contact terminal and the static contact terminal. The reduced section of the contact terminal is exposed on the upper cover 5 .
  • a single-contact signal switch the movable contact arm 17 is in a spiral shape, one end of the movable contact arm is connected to the movable contact terminal, and the other end of the movable contact terminal is provided with a reduced section 14 of the movable contact terminal.
  • a second step surface is formed between the reduced section of the contact terminal and the movable contact terminal. The reduced section of the movable contact terminal passes through the first through hole on the upper cover and is exposed on the upper cover. The size of the first through hole is the same as that of the upper cover.
  • the movable contact terminal is matched with the reduced section; the other end of the movable contact arm is the reset spring installation slot, the middle of the reset spring installation slot is the movable contact, and the bottom of the other end of the movable contact arm is the driving point 26 .
  • a single-contact signal switch, the static contact 4, the movable contact 3, the driving point 26 and the center of the ball 7 are on the same straight line.
  • a single-contact signal switch The outer side of the mounting cavity of the ejector rod assembly of the housing 1 is stud-shaped with threads.
  • the ejector rod assembly includes a main body 23, a ejector rod spring 24 and a ejector rod 25.
  • the upper end of the main body is provided with an upper groove, and the top rod
  • the lower end of the rod is inserted into the upper groove, and the ejector spring is pressed between the outer side of the ejector and the bottom of the upper groove
  • the lower end of the main body is provided with a lower concave, the ball is arranged in the lower inner concave, and the opening of the inner side wall of the lower inner concave is inclined inward to limit the position
  • the balls are disengaged downward
  • the inner side of the mounting cavity of the ejector rod assembly is provided with a fourth stepped surface for limiting the falling off of the main body
  • the outer side of the main body is provided with a limiting ring corresponding to the third stepped surface.
  • a single-contact signal switch the outer side of the socket piece is cylindrical and installed in the socket piece installation cavity, the outer edge of the sealing sheet is pressed against the bottom surface of the socket piece installation cavity, and the upper and lower surfaces of the outer edge of the sealing piece are further provided with With sealing ring.
  • a single-contact signal switch the upper end of the side wall of the socket piece mounting cavity is inclined inward to limit the socket piece, and the outer side of the socket piece is provided with an annular protrusion corresponding to the inclined side wall of the socket piece mounting cavity.
  • the utility model relates to a single-contact signal switch.
  • a partition is provided between the reduced section of the stationary contact terminal and the reduced section of the movable contact terminal located on the upper side of the upper cover.
  • a single-contact signal switch the corner of the first step surface is rounded.
  • a single-contact signal switch is provided with a semicircular protrusion between the center and the edge of the sealing sheet. Stretching for sealing sheets.
  • a single-contact signal switch, the movable contact arm has elasticity.
  • a single-contact signal switch has one moving contact and one static contact. Compared with the existing structure, one is that the structure is simple and the cost is reduced by 5.5%; the other is that the original bridge structure has two contact points, The utility model is a contact point, and the contact resistance is reduced by 50%; thirdly, the movable contact piece is fixed to limit the circumferential displacement of the movable contact. The contact resistance at the next contact is stable, and the moving contact will not contact the carbon deposits scattered around because of the circumferential displacement of the moving contact.
  • the durability has increased by 180%, and the voltage drop after the test has dropped by 42.8%.
  • the market defect rate has increased from 800 parts per million to 50 parts per million.
  • one end is fixed by riveting, so as to realize the structure that the movable contact can only move in the axial direction and cannot move in the circumferential direction.
  • a single-contact signal switch the implementation column 2 is a normally open signal switch.
  • a single-contact signal switch comprising a casing 1, a socket piece 2, a movable contact 3 and a static contact 4, the casing 1 is provided with a through cavity, the two ends of the through cavity are respectively provided with an opening, and the upper section of the through cavity is a socket piece
  • the installation cavity, the socket piece 2 is installed in the socket piece installation cavity through an opening, the socket piece 2 is provided with an installation cavity, and the installation cavity is separated by the upper cover 5;
  • the other end of the through cavity is the ejector rod assembly installation cavity, and the ejector rod assembly 9 passes through
  • the other opening is installed in the installation cavity of the ejector rod assembly, and the other opening is provided with a ball 7 for driving the top of the ejector rod assembly.
  • the installation cavity of the socket piece is larger than the installation cavity of the ejector rod assembly, and there is a first step surface 8 between the two.
  • a sealing sheet 6 covering the upper end of the mounting cavity of the ejector rod assembly is provided between the lower end of the socket part and the first step surface;
  • a contact mounting cavity is formed between the sealing sheet 6 and the lower end of the mounting cavity;
  • the sealing sheet 6 is provided with a corresponding ejector rod assembly
  • a reset spring 13 is provided between the insulating top 10 and the upper cover 5, and the upper cover 5 is also provided with a movable contact terminal 11 and a static contact terminal 12, and the movable contact terminal
  • One end of 11 and one end of the stationary contact terminal 12 extend into the contact installation cavity, and one end of the movable contact terminal 11 is provided with a movable contact arm 17, and the movable contact arm 17 is provided with a movable contact 3;
  • One end of the point terminal 12 is provided
  • the movable contact arm includes a horizontal segment 19 and an arc surface segment 20, a snap groove is provided in the center of the horizontal segment, and a protrusion 21 is provided in the center of the upper end of the insulating top.
  • the engaging groove is engaged and is covered by a reset spring, the lower end of the reset spring is against the movable contact arm, one end of the horizontal section is provided with a movable contact vertically above the static contact, and the other end of the horizontal section is connected to the arc surface section A section, the other end of the arc section is connected to the movable contact terminal, the other end of the movable contact terminal is provided with a reduced section 14 of the movable contact terminal, and the reduced section of the movable contact terminal and the movable contact terminal are formed On the second step surface, the reduced section of the movable contact terminal passes through the first through hole on the upper cover and is exposed on the upper cover, and the size of the first through hole matches the reduced section of the movable contact terminal.
  • a single-contact signal switch one end of the static contact terminal is arranged on a sealing sheet to maintain a gap between the sealing sheet, the static contact seat is an arc force arm, one end of the static contact seat is connected to the static contact terminal, and the static contact seat The other end is provided with a static contact, the static contact and the sealing sheet maintain a gap, the static contact seat is lower than the movable contact arm, and the other end of the static contact terminal is provided with a reduced section 15 of the static contact terminal, and the static contact is wired
  • a third step surface is formed between the column reduction section and the static contact terminal.
  • the static contact terminal reduction section passes through the second through hole on the upper cover and is exposed on the upper cover. The size of the second through hole is the same as that of the static contact. Terminals reduce segment fit.
  • a single-contact signal switch the outer side of the mounting cavity of the ejector rod assembly of the housing 1 is stud-shaped with threads, the lower end of the mounting cavity of the ejector rod assembly is provided with a limit ring 22, and the limit ball is disengaged downward; the socket part of the shell is installed The outside of the cavity is in the shape of a nut.
  • a single-contact signal switch the outer side of the socket piece is cylindrical and installed in the socket piece installation cavity, the outer edge of the sealing sheet is pressed against the bottom surface of the socket piece installation cavity, and the upper and lower surfaces of the outer edge of the sealing piece are further provided with There is a sealing ring 18.
  • a single-contact signal switch is provided with a semicircular protrusion between the center and the edge of the sealing sheet. Stretching for sealing sheets.
  • the utility model relates to a single-contact signal switch, and the lower end of the insulating top is spherically convex.
  • the utility model relates to a single-contact signal switch.
  • a partition is provided between the reduced section of the stationary contact terminal and the reduced section of the movable contact terminal located on the upper side of the upper cover.
  • the corners of the first step face are rounded.
  • a single-contact signal switch has one moving contact and one static contact. Compared with the existing structure, one is that the structure is simple and the cost is reduced by 5.5%; the other is that the original bridge structure has two contact points, The utility model is a contact point, and the contact resistance is reduced by 50%; thirdly, the movable contact piece is fixed to limit the circumferential displacement of the movable contact. The contact resistance at the next contact is stable, and the moving contact will not contact the carbon deposits scattered around because of the circumferential displacement of the moving contact.
  • the durability has increased by 180%, and the voltage drop after the test has dropped by 42.8%.
  • the market defect rate has increased from 800 parts per million to 50 parts per million.
  • one end is fixed by riveting, so as to realize the structure that the movable contact can only move in the axial direction and cannot move in the circumferential direction.
  • the reduced section 15 of the stationary contact terminal and the reduced section 14 of the movable contact terminal are used for riveting the upper cover.
  • a single-contact signal switch the embodiment of which is a normally closed signal switch.
  • a single-contact signal switch which pushes the ejector rod assembly, the sealing sheet and the plastic ejector, and pushes the movable contact arm to separate the contact points and the switch is disconnected;
  • the static contacts are in contact and the switch is turned on.

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  • Push-Button Switches (AREA)
  • Tumbler Switches (AREA)

Abstract

本发明涉及一种单触点信号开关，触点安装腔内设有动触点接线柱和静触点接线柱，动触点接线柱一端上设有动触点臂，动触点臂上设有动触点，静触点接线柱上设有静触点，顶杆组件受力驱动动触点与静触点闭合或断开；动触点臂与上盖之间设有复位弹簧，驱动动触点复位。其优点在于：一是减少接触点，动触点和静触点均为一个，减小接触电阻；二是将动触点臂固定，让动触点除能轴向上下动作外，不会发生周向位移，始终在同一位置接触。

Description

一种单触点信号开关 技术领域
本发明涉及一种单触点信号开关。
 背景技术
现有的结构为桥式结构，动触点臂上左右各一银触点，两个银触点与静触点座上银触点形成一个电气回路，接触电阻大；且动触点臂在插件座内除能轴向上下运动工作外，随着汽车发动机振动及行驶时地面颠簸，动触点相对于静触点还会在周向位置发生偏移，由于汽车变速箱倒档开关负载较大，容易产生拉弧积碳，拉弧的现象，积碳会向周围散射，堆积在银触点接触点的周围，动触点位置发生偏移，会接触到积碳上，导致开关时亮时不亮。
 技术解决方案
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种单触点信号开关。
为了实现上述目的，本发明采用了如下技术方案：一种单触点信号开关，包括外壳、插座件、动触点和静触点，外壳上设有通腔，通腔两端分别设有一个开口，通腔上段为插座件安装腔，插座件通过一个开口安装在插座件安装腔内，插座件内设有安装腔，安装腔由上盖分隔；插座件安装腔大于顶杆组件安装腔，两者之间设有第一台阶面，插座件下端和第一台阶面之间设有覆盖顶杆组件安装腔上端的密封片；密封片和安装腔下端之间形成触点安装腔；触点安装腔内设有动触点接线柱和静触点接线柱，动触点接线柱一端上设有动触点臂，动触点臂上设有一个动触点，静触点接线柱上设有一个静触点，顶杆组件受力驱动动触点与静触点闭合或断开；动触点臂与上盖之间设有复位弹簧，驱动动触点复位。
进一步的，动触点接线柱一端和静触点接线柱一端伸入触点安装腔中，且动触点接线柱一端上设有动触点臂，动触点臂上设有动触点；静触点接线柱一端上设有静触点；动触点和静触点位于同一竖向轴上，动触点臂位于顶杆组件上端处设有驱动点，动触点臂和上盖之间设有复位弹簧；  
动触点位于驱动点上方，位于动触点外侧的动触点臂上设有复位弹簧安装槽，上盖下端设有凸起，复位弹簧一端抵在复位弹簧安装槽上，另一端套在凸起外侧抵在上盖下端上，且复位弹簧套在动触点和静触点外侧；
凸起中央设有通孔，伸入触点安装腔中的静触点接线柱一端穿过通孔，所述复位弹簧还套在穿过凸起的静触点接线柱一端外，静触点接线柱另一端设有静触点接线柱缩小段，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段裸露在上盖上；
动触点臂为旋涡状，动触点接线柱另一端设有动触点接线柱缩小段，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合；动触点臂另一端上面为复位弹簧安装槽，复位弹簧安装槽中间为动触点，动触点臂另一端下面为驱动点； 
静触点、动触点、驱动点和滚珠的中心在同一直线上；
外壳的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件包括主体、顶杆弹簧和顶杆，主体上端设有上凹槽，顶杆下端插入上凹槽中，顶杆弹簧抵在顶杆外侧和上凹槽底部之间；主体下端设有下内凹，滚珠设在下内凹中，下内凹内侧壁开口朝内倾斜限位滚珠朝下脱离；顶杆组件安装腔内侧设有限位主体脱落的第四台阶面，主体外侧设有对应第三台阶面的限位圈。
进一步的，插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈，密封片。
进一步的，插座件安装腔的侧壁上端朝内倾斜限位插座件，插座件外侧对应插座件安装腔侧壁倾斜处设有环形凸起。
进一步的，密封片上设有对应顶杆组件上端的绝缘顶子；绝缘顶子和上盖之间设有复位弹簧，上盖上还设有一个动触点接线柱和静触点接线柱，动触点接线柱一端和静触点接线柱一端伸入触点安装腔中，且动触点接线柱一端上设有动触点臂，动触点臂上设有动触点；静触点接线柱一端上设有静触点座，静触点座上设有静触点；动触点和静触点位于同一竖向轴上，动触点臂与绝缘顶子固定连接；
动触点臂包括水平段和弧面段，水平段中央设有卡合槽，绝缘顶子上端中央设有凸起，凸起穿过卡合槽与卡合槽卡合，并由复位弹簧套在外部，复位弹簧下端抵在动触点臂上，水平段一端设有位于静触点竖直上方的动触点，水平段另一端连接弧面段一段，弧面段另一端连接在动触点接线柱上，动触点接线柱另一端设有动触点接线柱缩小段，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合；
静触点接线柱一端设在密封片上于密封片保持间隙，静触点座为弧面力臂，静触点座一端连接静触点接线柱，静触点座另一端设有静触点，静触点与密封片保持间隙，静触点座低于动触点臂，静触点接线柱另一端设有静触点接线柱缩小段，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段穿过上盖上的第二通孔，裸露在上盖上，第二通孔大小与静触点接线柱缩小段配合。
进一步的，外壳的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件安装腔的下端设有限位圈，限位滚珠朝下脱离；外壳的插座件安装腔外侧为螺母状。
进一步的，插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈。
进一步的，绝缘顶子下端为球面凸起。
进一步的，位于上盖上侧的静触点接线柱缩小段和动触点接线柱缩小段之间设有隔板。
进一步的，第一台阶面的拐角处为圆角。
 有益效果
一是减少接触点，动触点和静触点均为一个，减小接触电阻；二是将动触点臂固定，让动触点除能轴向上下动作外，不会发生周向位移，始终在同一位置接触。
 附图说明
图1是实施例2截面图。
图2是实施例2结构示意图。
图3是实施例2插座件结构示意图。
图4是实施例2顶杆组件和动触点结构示意图。
图5是实施例2动触点和密封片结构示意图。
图6是实施例3截面图。
图7是实施例3结构示意图。
图8是实施例3插座件结构示意图。
图9是实施例3顶杆组件和动触点结构示意图。
图10是实施例3动触点和密封片结构示意图。
1为外壳、2为插座件、3为动触点、4为静触点、5为上盖、6为密封片、7为滚珠、8为第一台阶面、9为顶杆组件、10为绝缘顶子、11为动触点接线柱、12为静触点接线柱、13为复位弹簧、14为动触点接线柱缩小段、15为静触点接线柱缩小段、16为静触点座、17为动触点臂、18为密封圈、19为水平段、20为弧面段、21为凸起、22为限位圈、23为主体、24顶杆弹簧、25顶杆、26为驱动点、27为复位弹簧安装槽，28为隔板、29为半圆凸起、30为第一台阶面的拐角处、31为上凹槽、32为下内凹。
 本发明的实施方式
下面将结合本发明实施例中的附图1-5，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
实施例1参照图1-10，一种单触点信号开关，包括外壳、插座件、动触点和静触点，外壳上设有通腔，通腔两端分别设有一个开口，通腔上段为插座件安装腔，插座件通过一个开口安装在插座件安装腔内，插座件内设有安装腔，安装腔由上盖分隔；插座件安装腔大于顶杆组件安装腔，两者之间设有第一台阶面，插座件下端和第一台阶面之间设有覆盖顶杆组件安装腔上端的密封片；密封片和安装腔下端之间形成触点安装腔；触点安装腔内设有动触点接线柱和静触点接线柱，动触点接线柱一端上设有动触点臂，动触点臂上设有一个动触点，静触点接线柱上设有一个静触点，顶杆组件受力驱动动触点与静触点闭合或断开；动触点臂与上盖之间设有复位弹簧，驱动动触点复位。动触点接线柱和静触点接线柱固定。
实施例2参照图1-5。一种单触点信号开关，包括外壳1、插座件2、动触点3和静触点4，外壳1上设有通腔，通腔两端分别设有一个开口，通腔上段为插座件安装腔，插座件2通过一个开口安装在插座件安装腔内，插座件内设有安装腔，安装腔由上盖5分隔；通腔另一端为顶杆组件安装腔，顶杆组件9通过另一个开口安装在顶杆组件安装腔内，另一个开口内设有驱动顶杆组件9上顶的滚珠7，插座件安装腔大于顶杆组件安装腔，两者之间设有第一台阶面8，插座件下端和第一台阶面之间设有覆盖顶杆组件安装腔上端的密封片6；密封片6和安装腔下端之间形成触点安装腔；上盖5上还设有一个动触点接线柱11和静触点接线柱12，动触点接线柱一端和静触点接线柱一端伸入触点安装腔中，且动触点接线柱一端上设有动触点臂17，动触点臂17上设有动触点3；静触点接线柱12一端上设有静触点4；动触点3和静触点4位于同一竖向轴上，动触点臂位于顶杆组件上端处设有驱动点26，动触点臂17和上盖5之间设有复位弹簧13。
一种单触点信号开关，动触点3位于驱动点上方，位于动触点外侧的动触点臂上设有复位弹簧安装槽27，上盖5下端设有凸起21，复位弹簧13一端抵在复位弹簧安装槽27上，另一端套在凸起21外侧抵在上盖下端上，且复位弹簧套在动触点3和静触点4外侧。
一种单触点信号开关，凸起21中央设有通孔，伸入触点安装腔中的静触点接线柱12一端穿过通孔，所述复位弹簧13还套在穿过凸起的静触点接线柱12一端外，静触点接线柱12另一端设有静触点接线柱缩小段15，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段裸露在上盖5上。
一种单触点信号开关，动触点臂17为旋涡状，动触点臂一端连接在动触点接线柱上，动触点接线柱另一端设有动触点接线柱缩小段14，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合；动触点臂另一端上面为复位弹簧安装槽，复位弹簧安装槽中间为动触点，动触点臂另一端下面为驱动点26。
一种单触点信号开关，静触点4、动触点3、驱动点26和滚珠7的中心在同一直线上。
一种单触点信号开关，外壳1的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件包括主体23、顶杆弹簧24和顶杆25，主体上端设有上凹槽，顶杆下端插入上凹槽中，顶杆弹簧抵在顶杆外侧和上凹槽底部之间；主体下端设有下内凹，滚珠设在下内凹中，下内凹内侧壁开口朝内倾斜限位滚珠朝下脱离；顶杆组件安装腔内侧设有限位主体脱落的第四台阶面，主体外侧设有对应第三台阶面的限位圈。
一种单触点信号开关，插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈。
一种单触点信号开关，插座件安装腔的侧壁上端朝内倾斜限位插座件，插座件外侧对应插座件安装腔侧壁倾斜处设有环形凸起。
一种单触点信号开关，位于上盖上侧的静触点接线柱缩小段和动触点接线柱缩小段之间设有隔板。
一种单触点信号开关，第一台阶面的拐角处为圆角。
一种单触点信号开关，密封片中央和边沿之间设有一圈半圆凸起。用于密封片的拉伸。
一种单触点信号开关，动触点臂具有弹性。
一种单触点信号开关，动触点、静触点各一颗，相对于现有的结构，一是结构上简单了，成本下降5.5%；二是原桥式结构是两个接触点，本实用新型为一个接触点，接触电阻下降了50%；三是固定了动接触片，限制动触点的周向位移，每次接触，始终在同一点上，拉弧产生的清洁效果，保证了下次接触时的接触电阻稳定，不会因为动触点的周向位移，动触点接触在散射在周围的积碳上。
通过试验验证，耐久性提高了180%，试验后电压降下降了42.8%，通过市场验证，市场不良率由百万分之八百提升到百万分之五十。
利用动触点臂的弹性，铆接固定住一端，实现动触点只能轴向动作，不能周向位移的结构。
一种单触点信号开关，实施列2为常开型信号开关。
顶压顶杆组件，推动密封片及动触点臂，使动、静触点接触，开关导通；反之松开顶杆组件，复位弹簧推动动触点臂、密封片、顶杆组件复位，动触点与静触点分离，开关断开。静触点接线柱缩小段15和动触点接线柱缩小段14用于铆接上盖。
实施例3参照图6-10。一种单触点信号开关，包括外壳1、插座件2、动触点3和静触点4，外壳1上设有通腔，通腔两端分别设有一个开口，通腔上段为插座件安装腔，插座件2通过一个开口安装在插座件安装腔内，插座件2内设有安装腔，安装腔由上盖5分隔；通腔另一端为顶杆组件安装腔，顶杆组件9通过另一个开口安装在顶杆组件安装腔内，另一个开口内设有驱动顶杆组件上顶的滚珠7，插座件安装腔大于顶杆组件安装腔，两者之间设有第一台阶面8，插座件下端和第一台阶面之间设有覆盖顶杆组件安装腔上端的密封片6；密封片6和安装腔下端之间形成触点安装腔；密封片6上设有对应顶杆组件上端的绝缘顶子10；绝缘顶子10和上盖5之间设有复位弹簧13，上盖5上还设有一个动触点接线柱11和静触点接线柱12，动触点接线柱11一端和静触点接线柱12一端伸入触点安装腔中，且动触点接线柱11一端上设有动触点臂17，动触点臂17上设有动触点3；静触点接线柱12一端上设有静触点座16，静触点座16上设有静触点4；动触点3和静触点4位于同一竖向轴上，动触点臂17与绝缘顶子10固定连接。绝缘顶子为塑料绝缘顶子。
一种单触点信号开关，动触点臂包括水平段19和弧面段20，水平段中央设有卡合槽，绝缘顶子上端中央设有凸起21，凸起穿过卡合槽与卡合槽卡合，并由复位弹簧套在外部，复位弹簧下端抵在动触点臂上，水平段一端设有位于静触点竖直上方的动触点，水平段另一端连接弧面段一段，弧面段另一端连接在动触点接线柱上，动触点接线柱另一端设有动触点接线柱缩小段14，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合。动触点臂具有弹性。通过水平段、弧面段和动触点接线柱限位动触点臂只能上下弹性移动。
一种单触点信号开关，静触点接线柱一端设在密封片上于密封片保持间隙，静触点座为弧面力臂，静触点座一端连接静触点接线柱，静触点座另一端设有静触点，静触点与密封片保持间隙，静触点座低于动触点臂，静触点接线柱另一端设有静触点接线柱缩小段15，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段穿过上盖上的第二通孔，裸露在上盖上，第二通孔大小与静触点接线柱缩小段配合。
一种单触点信号开关，外壳1的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件安装腔的下端设有限位圈22，限位滚珠朝下脱离；外壳的插座件安装腔外侧为螺母状。
一种单触点信号开关，插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈18。
一种单触点信号开关，密封片中央和边沿之间设有一圈半圆凸起。用于密封片的拉伸。
一种单触点信号开关，绝缘顶子下端为球面凸起。
一种单触点信号开关，位于上盖上侧的静触点接线柱缩小段和动触点接线柱缩小段之间设有隔板。第一台阶面的拐角处为圆角。
一种单触点信号开关，动触点、静触点各一颗，相对于现有的结构，一是结构上简单了，成本下降5.5%；二是原桥式结构是两个接触点，本实用新型为一个接触点，接触电阻下降了50%；三是固定了动接触片，限制动触点的周向位移，每次接触，始终在同一点上，拉弧产生的清洁效果，保证了下次接触时的接触电阻稳定，不会因为动触点的周向位移，动触点接触在散射在周围的积碳上。
通过试验验证，耐久性提高了180%，试验后电压降下降了42.8%，通过市场验证，市场不良率由百万分之八百提升到百万分之五十。
利用动触点臂的弹性，铆接固定住一端，实现动触点只能轴向动作，不能周向位移的结构。
静触点接线柱缩小段15和动触点接线柱缩小段14用于铆接上盖。
一种单触点信号开关，实施例为常闭型信号开关。
一种单触点信号开关，推动顶杆组件、密封片、塑料顶子，推动动触点臂使接触点分离，开关断开；反之释放滚珠，复位弹簧将动触点臂顶回，动、静触点接触，开关导通。
以上，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (10)

  1. 一种单触点信号开关，包括外壳、插座件、动触点和静触点，外壳上设有通腔，通腔两端分别设有一个开口，通腔上段为插座件安装腔，插座件通过一个开口安装在插座件安装腔内，插座件内设有安装腔，安装腔由上盖分隔；通腔另一端为顶杆组件安装腔，插座件安装腔大于顶杆组件安装腔，两者之间设有第一台阶面，插座件下端和第一台阶面之间设有覆盖顶杆组件安装腔上端的密封片；密封片和安装腔下端之间形成触点安装腔；其特征在于：触点安装腔内设有动触点接线柱和静触点接线柱，动触点接线柱一端上设有动触点臂，动触点臂上设有一个动触点，静触点接线柱上设有一个静触点，顶杆组件受力驱动动触点与静触点闭合或断开；动触点臂与上盖之间设有复位弹簧，驱动动触点复位。
  2. 根据权利要求1所述的一种单触点信号开关，其特征在于：动触点接线柱一端和静触点接线柱一端伸入触点安装腔中，且动触点接线柱一端上设有动触点臂，动触点臂上设有动触点；静触点接线柱一端上设有静触点；动触点和静触点位于同一竖向轴上，动触点臂位于顶杆组件上端处设有驱动点，动触点臂和上盖之间设有复位弹簧； 
    动触点位于驱动点上方，位于动触点外侧的动触点臂上设有复位弹簧安装槽，上盖下端设有凸起，复位弹簧一端抵在复位弹簧安装槽上，另一端套在凸起外侧抵在上盖下端上，且复位弹簧套在动触点和静触点外侧；
    凸起中央设有通孔，伸入触点安装腔中的静触点接线柱一端穿过通孔，所述复位弹簧还套在穿过凸起的静触点接线柱一端外，静触点接线柱另一端设有静触点接线柱缩小段，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段裸露在上盖上；
    动触点臂为旋涡状，动触点接线柱另一端设有动触点接线柱缩小段，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合；动触点臂另一端上面为复位弹簧安装槽，复位弹簧安装槽中间为动触点，动触点臂另一端下面为驱动点；  
    静触点、动触点、驱动点和滚珠的中心在同一直线上；
    外壳的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件包括主体、顶杆弹簧和顶杆，主体上端设有上凹槽，顶杆下端插入上凹槽中，顶杆弹簧抵在顶杆外侧和上凹槽底部之间；主体下端设有下内凹，滚珠设在下内凹中，下内凹内侧壁开口朝内倾斜限位滚珠朝下脱离；顶杆组件安装腔内侧设有限位主体脱落的第四台阶面，主体外侧设有对应第三台阶面的限位圈。
  3. 根据权利要求2所述的一种单触点信号开关，其特征在于：插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈，密封片。
  4. 根据权利要求3所述的一种单触点信号开关，其特征在于：插座件安装腔的侧壁上端朝内倾斜限位插座件，插座件外侧对应插座件安装腔侧壁倾斜处设有环形凸起。
  5. 根据权利要求1所述的一种单触点信号开关，其特征在于：密封片上设有对应顶杆组件上端的绝缘顶子；绝缘顶子和上盖之间设有复位弹簧，上盖上还设有一个动触点接线柱和静触点接线柱，动触点接线柱一端和静触点接线柱一端伸入触点安装腔中，且动触点接线柱一端上设有动触点臂，动触点臂上设有动触点；静触点接线柱一端上设有静触点座，静触点座上设有静触点；动触点和静触点位于同一竖向轴上，动触点臂与绝缘顶子固定连接；
    动触点臂包括水平段和弧面段，水平段中央设有卡合槽，绝缘顶子上端中央设有凸起，凸起穿过卡合槽与卡合槽卡合，并由复位弹簧套在外部，复位弹簧下端抵在动触点臂上，水平段一端设有位于静触点竖直上方的动触点，水平段另一端连接弧面段一段，弧面段另一端连接在动触点接线柱上，动触点接线柱另一端设有动触点接线柱缩小段，动触点接线柱缩小段与动触点接线柱之间形成第二台阶面，动触点接线柱缩小段穿过上盖上的第一通孔，裸露在上盖上，第一通孔大小与动触点接线柱缩小段配合；
    静触点接线柱一端设在密封片上于密封片保持间隙，静触点座为弧面力臂，静触点座一端连接静触点接线柱，静触点座另一端设有静触点，静触点与密封片保持间隙，静触点座低于动触点臂，静触点接线柱另一端设有静触点接线柱缩小段，静触点接线柱缩小段与静触点接线柱之间形成第三台阶面，静触点接线柱缩小段穿过上盖上的第二通孔，裸露在上盖上，第二通孔大小与静触点接线柱缩小段配合。
  6. 根据权利要求5所述的一种单触点信号开关，其特征在于：外壳的顶杆组件安装腔外侧为螺柱状，带有螺纹，顶杆组件安装腔的下端设有限位圈，限位滚珠朝下脱离；外壳的插座件安装腔外侧为螺母状。
  7. 根据权利要求6所述的一种单触点信号开关，其特征在于：插座件外侧为筒状，安装在插座件安装腔内，将密封片的外沿抵在插座件安装腔的底面上，且密封片的外沿上下面上还设有密封圈。
  8. 根据权利要求7所述的一种单触点信号开关，其特征在于：绝缘顶子下端为球面凸起。
  9. 根据权利要求2和5所述的一种单触点信号开关，其特征在于：位于上盖上侧的静触点接线柱缩小段和动触点接线柱缩小段之间设有隔板。
  10. 根据权利要求2和5所述的一种单触点信号开关，其特征在于：第一台阶面的拐角处为圆角。
PCT/CN2021/099978 2020-12-30 2021-06-15 一种单触点信号开关 WO2022142161A1 (zh)

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