CN211150381U - Instantaneously-acting push-button switch - Google Patents

Instantaneously-acting push-button switch Download PDF

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Publication number
CN211150381U
CN211150381U CN202020005964.6U CN202020005964U CN211150381U CN 211150381 U CN211150381 U CN 211150381U CN 202020005964 U CN202020005964 U CN 202020005964U CN 211150381 U CN211150381 U CN 211150381U
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CN
China
Prior art keywords
group
middle shaft
moving contact
shaft
push
Prior art date
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Active
Application number
CN202020005964.6U
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Chinese (zh)
Inventor
倪圣珑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jiaben Electronics Co ltd
Original Assignee
Zhejiang Jiaben Electronics Co ltd
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.)
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    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • 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
    • H01H13/14—Operating parts, e.g. push-button
    • 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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
    • H01H13/30—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs one end of spring transmitting movement to the contact member when the other end is moved by the operating part
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • H01H2013/525—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch using a return spring acting perpendicular to the actuating direction

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  • Push-Button Switches (AREA)

Abstract

The button switch with instant action provided by the disclosure comprises a base body, an upper cover and a push shaft, wherein one end of the push shaft is arranged in a box body formed by the base body and the upper cover, the other end of the push shaft extends out of the box body, and one end of the push shaft arranged in the box body is provided with a return spring; a moving contact sliding block connected with the push shaft is arranged on one side of the push shaft, cavities are formed in the two sides of the moving contact sliding block, and a moving contact assembly is arranged in each cavity; and a static contact pin group matched with the moving contact component is arranged on the base body. The dustproof button switch disclosed by the disclosure has an instant action structure, so that the contact pressure ratio is larger when the switch is just switched on, and when the switch passes through a large current, the silver contact adhesion of the switch can not be caused, so that the switch can be rapidly switched off.

Description

Instantaneously-acting push-button switch
Technical Field
The present disclosure relates to a push switch, and more particularly, to a push switch with momentary actuation.
Background
The function of the button switch on the market is basically similar, but the button switch has the following functional defects:
1. this type of button switch commonly used generally is the seesaw structure, and the action of switch-on and disconnection is not the motion in the twinkling of an eye, and consequently contact pressure is little when the switch just switches on, if the switch passes through heavy current at this moment, can cause the adhesion of switch silver contact, can cause electric tool can't break off when serious, does not conform to GB15092.1 standard, has great potential safety hazard to human life.
2. This type of button switch commonly used generally is the seesaw structure, realizes switch-on and disconnection through plastics marble and copper moving contact friction, and plastics marble and copper moving contact friction at every turn can produce superfine copper powder, can lead to the inside two poles of the earth short circuit of switch when the inside copper powder of switch reaches a certain amount, can cause electric tool to burn out or even arouse the conflagration when serious, do not conform to GB15092.1 standard equally, exist great potential safety hazard to human life.
Therefore, it is imperative to design a momentary action push button switch.
SUMMERY OF THE UTILITY MODEL
The present disclosure is directed to overcoming the deficiencies of the prior art and providing a momentary action push button switch.
The utility model provides a button switch of action in twinkling of an eye, its technical scheme is:
the automatic lifting device comprises a base body, an upper cover and a push shaft, wherein one end of the push shaft is arranged in a box body formed by the base body and the upper cover, the other end of the push shaft extends out of the box body, and one end of the push shaft arranged in the box body is provided with a return spring;
a moving contact sliding block connected with the push shaft is arranged on one side of the push shaft, cavities are formed in the two sides of the moving contact sliding block, and a moving contact assembly is arranged in each cavity;
and a static contact pin group matched with the moving contact component is arranged on the base body.
The button switch of a kind of instant action that this disclosure provides, also include the following technical scheme:
a middle shaft assembly is arranged between the push shaft and the moving contact sliding block; one end of the middle shaft assembly is clamped on the push shaft, and the other end of the middle shaft assembly is clamped on the moving contact sliding block.
The middle shaft assembly comprises a middle shaft, a middle shaft spring, a first connecting rod and a second connecting rod, wherein the middle shaft spring is installed on the middle shaft;
a middle shaft groove is formed in each of two ends of the middle shaft, a first clamping groove is formed in one side, close to the moving contact sliding block, of the push shaft, and a second clamping groove is formed in one side, close to the push shaft, of the moving contact sliding block;
the first connecting rod is arranged in a groove at one end of the middle shaft, and two ends of the first connecting rod are clamped in the first clamping groove of the push shaft; the second connecting rod is arranged in a groove at the other end of the middle shaft, and two ends of the second connecting rod are clamped in a second clamping groove of the moving contact sliding block.
The middle shaft comprises an inner middle shaft and an outer middle shaft;
the tail part of the inner middle shaft is provided with an inverted hook, the outer middle shaft is provided with a middle shaft through hole, a guide groove is arranged in the middle shaft through hole, and the inverted hook can be hooked in the guide groove, so that the middle shaft spring is fixed between the inner middle shaft and the outer middle shaft.
The moving contact component comprises a moving contact spring group, a moving contact group arranged at the top of the moving contact spring group and a moving contact group arranged at the top of the moving contact group;
the static contact assembly comprises an input static contact group and an output static contact group, and the input static contact group and the output static contact group are both provided with static contact groups matched with the movable contact group.
The bottom of the moving contact spring group is also provided with a gasket group, and the base body is provided with a boss rib group;
when the switch is in an off state, the gasket group is pressed on the boss rib group, and the boss rib group supports the gasket group;
when the switch is switched on, the boss rib position group applies upward auxiliary boosting force to the gasket group, so that the switch is switched on quickly.
A first metal slip sheet is arranged between the moving contact sliding block and the base body, a second metal slip sheet is arranged between the push shaft and the base body, and the first metal slip sheet and the second metal slip sheet are both arranged on the base body;
the moving contact sliding block can slide up and down on the first metal sliding sheet, and the push shaft can slide up and down on the second metal sliding sheet.
The base body is provided with a base body groove group, and the input static contact group and the output static contact group are both arranged on the base body groove group.
The base body is provided with a T-shaped groove group, and a bolt penetrates through a through hole in the input static contact group and then is matched with a nut arranged in the T-shaped groove group.
The dustproof sleeve is arranged at one end, extending out of the box body, of the push shaft, the circular boss is arranged on the upper cover, and the dustproof sleeve is sleeved on the circular boss.
The implementation of the present disclosure includes the following technical effects:
1. the dustproof button switch disclosed by the disclosure has an instant action structure, so that the contact pressure ratio is larger when the switch is just switched on, and when the switch passes through a large current, the silver contact adhesion of the switch can not be caused, so that the switch can be rapidly switched off.
2. The electric tool is novel in structure and simple in process, is suitable for electric tools such as an alternating current angle grinder, an alternating current mold electric grinder and a direct current charging type angle grinder, and meets the national safety standard.
3. According to the technical scheme, the first metal slip sheet is arranged between the moving contact sliding block and the base body, and the high-smoothness degree of the surface of the slip sheet is utilized to convert the friction between the plastic and the plastic between the moving contact sliding block and the plastic base body into the friction between the plastic and the metal between the moving contact sliding block and the metal slip sheet so as to reduce the friction coefficient and increase the up-and-down movement agility of the sliding block; through set up the second metal gleitbretter between push shaft and the base body to the friction between metal between with the push shaft and the plastics base body turns into the friction between plastics and the metal between push shaft and the metal gleitbretter, utilizes the surperficial high smooth degree of gleitbretter in order further to reduce coefficient of friction, increases the agility that the push shaft reciprocated.
Drawings
FIG. 1 is a perspective view of a momentary action push button switch of the present disclosure;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a partial cross-sectional view of FIG. 1;
FIG. 4 is an exploded view of a momentary action push button switch according to the present disclosure;
fig. 5 is a schematic view of an assembly structure of a movable contact slider assembly of a momentary-action push-button switch according to the present disclosure.
Fig. 6 is a schematic view of an assembly structure of a push shaft and a movable contact slider assembly of a momentary-action push button switch according to the present disclosure, which includes a middle shaft assembly.
Fig. 7 is a cross-sectional view of a momentary action push button switch off state of the present disclosure.
Fig. 8 is a cross-sectional view of a momentary action push button switch of the present disclosure in an on state.
In the figure, 1-a base body, 2-an upper cover, 3-a push shaft, 4-a return spring, 5-a movable contact slider group, 6-a movable contact assembly, 7-a fixed contact pin group, 8-a middle shaft assembly, 9-a first metal sliding sheet, 10-a second metal sliding sheet, 11-a bolt, 12-a nut, 13-a dustproof sleeve, 31-a first clamping groove, 51-a cavity, 52-a second clamping groove, 61-a movable contact spring group, 62-a movable contact group, 63-a movable contact group, 64-a gasket group, 65-a positioning column, 71-an input fixed contact pin group, 72-an output fixed contact pin group, 73-a fixed contact group, 81-a middle shaft, 82-a middle shaft spring, 83-a first connecting rod, 84-a second connecting rod, 811-a middle shaft groove, 812-inner central axis, 813-outer central axis, 814-barb, 101-boss rib group, 102-base body groove group, 103-T type groove group and 201-circular boss.
Detailed Description
The present disclosure will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate understanding of the present disclosure, and do not impose any limitation thereon. The orientations described in the present application, such as up, down, left, right, and left, are convenient to use and described with reference to the drawings, and do not limit the scope of protection.
As shown in fig. 1 to 6, the instant button switch provided by the present disclosure includes a base body 1, an upper cover 2, and a push shaft 3, wherein one end of the push shaft 3 is disposed in a box body formed by the base body 1 and the upper cover 2, the other end extends out of the box body, and one end of the push shaft 3 disposed in the box body is provided with a return spring 4;
a moving contact sliding block group 5 connected with the push shaft 3 is arranged on one side of the push shaft 3, cavities 51 are arranged on two sides of the moving contact sliding block group 5, and a moving contact component 6 is arranged in each cavity 51;
and a static contact pin group 7 matched with the movable contact component 6 is arranged on the base body 1.
The dustproof button switch has an instant action structure, so that the contact pressure ratio is larger when the switch is just switched on, and the silver contact of the switch is not adhered when the switch passes through a large current, so that the switch can be rapidly switched off. Moreover, the novel structure and the simple process are suitable for electric tools such as an alternating current angle grinder, an alternating current mold electric grinder and a direct current charging type angle grinder, and the national safety standard is met.
In one embodiment, as shown in fig. 3, 4 and 6, a central shaft assembly 8 is disposed between the push shaft 3 and the movable contact slider group 5; one end of the middle shaft component 8 is clamped on the push shaft 3, and the other end is clamped on the moving contact sliding block set 5.
In one embodiment, as shown in fig. 4 and 6, the bottom bracket assembly 8 includes a bottom bracket 81, a bottom bracket spring 82 mounted on the bottom bracket 81, and a first connecting rod 83 and a second connecting rod 84 disposed at two ends of the bottom bracket 81;
a middle shaft groove 811 is formed at each of two ends of the middle shaft 81, a first clamping groove 31 is formed in one side, close to the moving contact sliding block set 5, of the push shaft 3, and a second clamping groove 52 is formed in one side, close to the push shaft 3, of the moving contact sliding block set 5;
the first connecting rod 83 is disposed in the groove 811 at one end of the middle shaft 81, and two ends of the first connecting rod are clamped in the first clamping groove 31 of the push shaft 3; the second connecting rod 84 is disposed in the groove 811 at the other end of the central shaft 81, and two ends of the second connecting rod are clamped in the second clamping groove 52 of the movable contact sliding block 5.
In one embodiment, as shown in fig. 4 and 6, the central axle 81 includes an inner central axle 812 and an outer central axle 813;
the tail part of the inner middle shaft 812 is provided with a barb 814, the outer middle shaft 813 is provided with a middle shaft through hole, a guide groove is arranged in the middle shaft through hole, and the barb 814 can be hooked in the guide groove, so that the middle shaft spring 82 is fixed between the inner middle shaft 812 and the outer middle shaft 813.
In one embodiment, as shown in fig. 2 to 6, the movable contact assembly 6 includes a movable contact spring set 61, a movable contact set 62 disposed on top of the movable contact spring set 61, and a movable contact set 63 disposed on top of the movable contact set 62;
the static contact assembly 7 comprises an input static contact group 71 and an output static contact group 72, and the input static contact group 71 and the output static contact group 72 are both provided with a static contact group 73 matched with the movable contact group 63.
In one embodiment, as shown in fig. 7 and 8, a shim group 64 is further disposed at the bottom of the movable contact spring group 61, and a boss shim group 101 is disposed on the base body 1;
when the switch is in an off state, the gasket group 64 is pressed on the boss rib group 101, and the boss rib group 101 supports the gasket group 64;
when the switch is turned on, the boss rib group 101 applies an upward auxiliary assist force to the gasket group 64, so that the switch is quickly turned on.
In one embodiment, as shown in fig. 5 and 6, the cavities 51 on both sides of the movable contact slider group 5 are provided with positioning pillars 65, and the shim group 64 and the movable contact spring group 61 are mounted on the positioning pillars 65.
In one embodiment, as shown in fig. 2 and 4, a first metal sliding piece 9 is disposed between the movable contact sliding block set 5 and the base body 1, a second metal sliding piece 10 is disposed between the push shaft 3 and the base body 1, and both the first metal sliding piece 9 and the second metal sliding piece 10 are disposed on the base body 1;
the moving contact sliding block set 5 can slide up and down on the first metal sliding sheet 9, and the push shaft 3 can slide up and down on the second metal sliding sheet 10.
According to the technical scheme, the first metal slip sheet is arranged between the moving contact sliding block and the base body, so that the friction between plastic and the plastic between the moving contact sliding block and the plastic base body is converted into the friction between metal and the metal between the moving contact sliding block and the metal slip sheet, the friction coefficient is reduced by utilizing the high smoothness degree of the surface of the slip sheet, and the up-and-down movement agility of the sliding block is improved; through set up the second metal gleitbretter between push shaft and the base body to the friction between plastics and the plastics that will push shaft and plastics base body converts into the friction between plastics and the metal between push shaft and the metal gleitbretter, utilizes the surperficial high smooth degree of gleitbretter in order further to reduce coefficient of friction, increases the agility that the push shaft reciprocated.
It should be noted that, in this embodiment, both the first metal sliding piece and the second metal sliding piece may be made of stainless steel.
In one embodiment, as shown in fig. 4, the base body 1 is provided with a base body groove set 102, and the input static contact group 71 and the output static contact group 72 are both mounted on the base body groove set 102.
In one embodiment, as shown in fig. 4, a T-shaped groove set 103 is arranged on the base body 1, and the bolt 11 passes through a through hole on the input static contact leg set 71 and then is matched with a nut 12 arranged in the T-shaped groove set 103.
In one embodiment, as shown in fig. 1 and 4, a dustproof sleeve 13 is arranged at one end of the push shaft 3 extending out of the box body, a circular boss 201 is arranged on the upper cover 2, and the dustproof sleeve 13 is sleeved on the circular boss 201.
The utility model provides a pair of button switch of action in twinkling of an eye, its function working process who realizes the break-make function as follows:
when the push shaft 3 is pressed down, as shown in fig. 7, the push shaft 3 moves downward to drive the middle shaft assembly 8 connected with the push shaft 3 to move downward, when the push shaft moves downward to a certain extent, that is, when the first connecting rod 83 and the second connecting rod 84 are at the same horizontal position, the middle shaft 81 is turned upward under the action of the middle shaft spring 82, and then the movable contact slider group 5 connected with the middle shaft assembly 8 is driven to jump upward, and the movable contact slider group 5 drives the movable contact group 62 arranged in the cavity 51 of the movable contact slider group 5 to move upward, and then the movable contact 63 arranged on the movable contact group 62 is driven to be combined with the stationary contact 711 on the stationary contact group 7, so that the switch-on function of the switch is realized.
When the push shaft is released, as shown in fig. 8, the push shaft 3 moves upward after the return of the return spring 4, the central shaft 81 turns downward under the action of the central shaft spring 82, and then the movable contact slider group 5 connected with the central shaft assembly 8 is driven to jump downward, the movable contact slider group 5 drives the movable contact group 62 arranged in the cavity 51 of the movable contact slider group 5 to move downward, and then the movable contact 63 arranged on the movable contact group 62 is driven to disconnect from the stationary contact 711 on the stationary contact group 71, thereby implementing the disconnection function of the switch.
Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present disclosure, and not to limit the scope of the present disclosure, and although the present disclosure has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present disclosure without departing from the spirit and scope of the technical solutions of the present disclosure.

Claims (10)

1. A button switch with instant action comprises a base body, an upper cover and a push shaft, wherein one end of the push shaft is arranged in a box body formed by the base body and the upper cover, the other end of the push shaft extends out of the box body, and one end of the push shaft arranged in the box body is provided with a return spring; it is characterized in that the preparation method is characterized in that,
a moving contact sliding block connected with the push shaft is arranged on one side of the push shaft, cavities are formed in the two sides of the moving contact sliding block, and a moving contact assembly is arranged in each cavity;
and a static contact pin group matched with the moving contact component is arranged on the base body.
2. A momentary action push button switch according to claim 1, wherein: a middle shaft assembly is arranged between the push shaft and the moving contact sliding block; one end of the middle shaft assembly is clamped on the push shaft, and the other end of the middle shaft assembly is clamped on the moving contact sliding block.
3. A momentary action push button switch according to claim 2, wherein: the middle shaft assembly comprises a middle shaft, a middle shaft spring arranged on the middle shaft, and a first connecting rod and a second connecting rod which are arranged at two ends of the middle shaft;
a middle shaft groove is formed in each of two ends of the middle shaft, a first clamping groove is formed in one side, close to the moving contact sliding block, of the push shaft, and a second clamping groove is formed in one side, close to the push shaft, of the moving contact sliding block;
the first connecting rod is arranged in a groove at one end of the middle shaft, and two ends of the first connecting rod are clamped in the first clamping groove of the push shaft; the second connecting rod is arranged in a groove at the other end of the middle shaft, and two ends of the second connecting rod are clamped in a second clamping groove of the moving contact sliding block.
4. A momentary action push button switch according to claim 3, wherein: the middle shaft comprises an inner middle shaft and an outer middle shaft;
the tail part of the inner middle shaft is provided with an inverted hook, the outer middle shaft is provided with a middle shaft through hole, a guide groove is arranged in the middle shaft through hole, and the inverted hook can be hooked in the guide groove, so that the middle shaft spring is fixed between the inner middle shaft and the outer middle shaft.
5. A momentary action push button switch according to any one of claims 1 to 4, wherein: the moving contact component comprises a moving contact spring group, a moving contact group arranged at the top of the moving contact spring group and a moving contact group arranged at the top of the moving contact group;
the static contact assembly comprises an input static contact group and an output static contact group, and the input static contact group and the output static contact group are both provided with static contact groups matched with the movable contact group.
6. A momentary action push button switch according to claim 5, wherein: the bottom of the moving contact spring group is also provided with a gasket group, and a boss rib group is arranged on the base body;
when the switch is in an off state, the gasket group is pressed on the boss rib group, and the boss rib group supports the gasket group;
when the switch is switched on, the boss rib position group applies upward auxiliary boosting force to the gasket group, so that the switch is switched on quickly.
7. A momentary action push button switch according to any one of claims 1 to 4, wherein: a first metal slip sheet is arranged between the moving contact sliding block and the base body, a second metal slip sheet is arranged between the push shaft and the base body, and the first metal slip sheet and the second metal slip sheet are both arranged on the base body;
the moving contact sliding block can slide up and down on the first metal sliding sheet, and the push shaft can slide up and down on the second metal sliding sheet.
8. A momentary action push button switch according to claim 5, wherein: the base body is provided with a base body groove group, and the input static contact group and the output static contact group are both arranged on the base body groove group.
9. A momentary action push button switch according to claim 8, wherein: and a T-shaped groove group is arranged on the base body, and a bolt passes through a through hole on the input static contact group and then is matched with a nut arranged in the T-shaped groove group.
10. A momentary action push button switch according to any one of claims 1 to 4, wherein: the dustproof sleeve is arranged at one end, extending out of the box body, of the push shaft, the circular boss is arranged on the upper cover, and the dustproof sleeve is sleeved on the circular boss.
CN202020005964.6U 2019-12-31 2020-01-03 Instantaneously-acting push-button switch Active CN211150381U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201922473485 2019-12-31
CN2019224734857 2019-12-31

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Publication Number Publication Date
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CN202010003935.0A Pending CN111091990A (en) 2019-12-31 2020-01-03 Instantaneously-acting push-button switch

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Application Number Title Priority Date Filing Date
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114974968A (en) * 2022-06-02 2022-08-30 浙江佳奔电子有限公司 Long stroke trigger switch with instant structure

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Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province

Patentee after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd.

Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province

Patentee before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd.

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