CN203721591U - High-stability button switch - Google Patents
High-stability button switch Download PDFInfo
- Publication number
- CN203721591U CN203721591U CN201420060817.3U CN201420060817U CN203721591U CN 203721591 U CN203721591 U CN 203721591U CN 201420060817 U CN201420060817 U CN 201420060817U CN 203721591 U CN203721591 U CN 203721591U
- Authority
- CN
- China
- Prior art keywords
- spring
- movable contact
- cover plate
- button switch
- block
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a high-stability button switch and aims to provide a button switch which is high in stability. The high-stability button switch comprises a shell, a rocker arm assembly arranged on the shell, and a control assembly for controlling swinging of the rocker arm assembly. The shell comprises a base and a cover plate. The base is internally provided with a wiring position, a static contact position and a movable contact position. A wiring terminal, a static contact block and a movable contact piece are respectively and correspondingly arranged in the wiring position, the static contact position and the movable contact position. The rocker arm assembly comprises a swing rod, a spring, and a swing block arranged on the cover plate. The movable contact piece consists of an abutting part and a connecting part. An abutting block is arranged on the connecting part. A spring cavity is built in the swing rod. One end of the spring is disposed in the spring cavity, and the other end of the spring is disposed on the abutting block. The cover plate is provided with a limiting part for limiting movement of the swing block. The other side of the cover plate relative to the limiting part is provided with a first limiting block for limiting movement of the static contact block and a second limiting block for limiting movement of the wiring terminal.
Description
Technical field
The utility model relates to switching technique field, more particularly: it relates to a kind of push-button switch of high stability.
Background technology
Push-button switch refers to and utilizes button to promote transmission mechanism, makes moving contact and fixed contact drive and realize the switch of circuit changing-over by on-off.Push-button switch is a kind of simple in structure, application master control electrical apparatus very widely.In electric automatic control circuit, for manually sending control signal with control contactor, relay, electromagnetic starter etc.
Push-button switch includes housing and is placed in the control assembly on housing, housing is provided with the rocker arm assembly of controlling movable contact spring conflict stationary contact piece, the connection of waving and then realize push-button switch or the disconnection of control assembly control rocker arm assembly, housing comprise pedestal and and be engaged in the cover plate on pedestal, in described pedestal, be provided with wiring position, stationary contact position and movable contact position, described wiring position, stationary contact position and movable contact position correspondence are provided with binding post, stationary contact piece and movable contact spring, the poor problem of push-button switch existence and stability in the market, imbody is as follows, one: the rocker arm assembly in push-button switch exists unsettled situation to the control of movable contact spring, the normal problem that produces loose contact, two: on cover plate without any position limiting structure, in the environment acutely rocking, easily make binding post, stationary contact piece, movable contact spring easily be offset the damage of even wiring dropout position, stationary contact position and movable contact position and then the loose contact causing or push-button switch, poor stability, in sum, need to improve.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of push-button switch of high stability.
For achieving the above object, the utility model provides following technical scheme: a kind of push-button switch of high stability, comprise housing, be located at the rocker arm assembly on housing and control the control assembly that rocker arm assembly swings, described housing includes base and cover plate, in described pedestal, be provided with wiring position, stationary contact position and movable contact position, described wiring position, stationary contact position and movable contact position respectively correspondence are provided with binding post, stationary contact piece and movable contact spring, described rocker arm assembly comprises fork is set, spring and setting swinging block on the cover board, described movable contact spring includes contact part and connecting portion, described connecting portion is provided with conflict piece, described fork is built-in with spring cavity volume, described spring one end is placed in described spring cavity volume, the other end is placed on described conflict piece, described cover plate is provided with the limiting section that restriction swinging block moves, the opposite side of described cover plate relative limit portion is provided with the second confinement block that the first confinement block that restriction stationary contact piece moves and restriction binding post move.
By adopting technique scheme, this push-button switch is by having done further improvement to rocker arm assembly, rocker arm assembly is by fork, swinging block composition on spring and cover plate, because spring one end is placed in spring cavity volume, the other end is placed in and is arranged so that spring is all the time in compressive state on the conflict piece of movable contact spring, spring provides pre-police strength to movable contact spring all the time so, guarantee that any movement can not occur movable contact spring, when the active force on swinging block is during toward the right, movable contact spring can conflict the left side stationary contact piece realize be communicated with, when the active force on swinging block is during toward the left side, movable contact spring can conflict the right stationary contact piece realize disconnect, in this process because spring is all the time in compressive state, the conflict of movable contact spring and stationary contact piece is just highly stable so, cover plate upper limit portion arranges the movement of effectively having avoided swinging block, opposite side first confinement block of cover plate relative limit portion and the setting of the second confinement block, after cover plate and pedestal assembling, effectively limit moving or coming off of stationary contact piece and binding post, guarantee the stable of contact, this push-button switch good stability, effectively avoid the generation of loose contact.
This practicality is further set to: between described binding post and described movable contact spring, be provided with lug plate, described the second confinement block one side is connected with the guide vane end stop of conflict lug plate.
By adopting technique scheme, owing to being connected with lug plate between binding post and movable contact spring, lug plate must conflict respectively binding post and movable contact spring, cause so on movable contact position and must have the access of a breach for lug plate, the second confinement block one side connects the setting of guide vane end stop, guarantee the lug plate of conflicting, when avoiding the moving influence conducting of lug plate, can also fill the breach on movable contact position, effectively prevent the movement of movable contact spring.
This practicality is further set to: on described stationary contact piece, be fixedly connected with static contact, described static contact is provided with fixed contact, described movable contact spring be provided with for fixed contact conflict moving contact.
By adopting technique scheme, fixed contact and moving contact have advantages of good electric conductivity and are not easy to cause electric spark, avoid the direct conflict of static contact and movable contact spring to cause heating, affect useful life.
This practicality is further set to: the both sides of described pedestal are equipped with guide pad, described cover plate is provided with the gathering sill suitable with described guide pad, described guide pad is slidably fitted in gathering sill, between two guide pads, be provided with spacing block set, on described cover plate, be also provided with the stopper slot suitable with spacing block set.
By adopting technique scheme, the setting of guide pad and gathering sill, for being coupled to pedestal, cover plate provides guiding, further improve the facility of assembling, the setting of spacing block set and stopper slot is when after cover plate and pedestal assembling, effectively avoid that cover plate is unartificial to come off, play a position-limiting action, improve the stability of assembling.
Brief description of the drawings
Fig. 1 is the structural representation of the push-button switch of a kind of high stability of the utility model;
Fig. 2 is the push-button switch structure schematic diagram that the utility model is removed control assembly;
Fig. 3 is the push-button switch structure schematic diagram that the utility model is removed control assembly and pedestal;
Fig. 4 is the internal structure schematic diagram of the utility model pedestal;
Fig. 5 is the structural representation of the utility model movable contact spring;
Fig. 6 is the upward view of the utility model cover plate.
In figure 1, housing; 11, pedestal; 111, wiring position; 112, stationary contact position; 113, movable contact position; 114, binding post; 115, stationary contact piece; 116, movable contact spring; 1161, contact part; 1162, connecting portion; 1163, conflict piece; 1164, moving contact; 117, lug plate; 118, static contact; 1181, fixed contact; 12, cover plate; 121, limiting section; 122, the first confinement block; 123, the second confinement block; 124, guide vane end stop; 13, guide pad; 14, gathering sill; 15, spacing block set; 16, stopper slot; 2, rocker arm assembly; 21, swinging block; 22, fork; 23, spring; 24, spring cavity volume; 3, control assembly.
Embodiment
Embodiment referring to figs. 1 through the push-button switch of a kind of high stability of Fig. 6 the utility model is described further.
A kind of push-button switch of high stability, comprise housing 1, be located at the rocker arm assembly 2 on housing 1 and control the control assembly 3 that rocker arm assembly 2 swings, described housing 1 includes pedestal 11 and cover plate 12, in described pedestal 11, be provided with wiring position 111, stationary contact position 112 and movable contact position 113, described wiring position 111, stationary contact position 112 and movable contact position 113 respectively correspondence are provided with binding post 114, stationary contact piece 115 and movable contact spring 116, described rocker arm assembly 2 comprises fork 22, spring 23 and be arranged on the swinging block 21 on cover plate 12, described movable contact spring 116 includes contact part 1161 and connecting portion 1162, described connecting portion 1162 is provided with conflict piece 1163, described fork 22 is built-in with spring cavity volume 24, described spring 23 one end are placed in described spring cavity volume 24, the other end is placed on described conflict piece 1163, described cover plate 12 is provided with the limiting section 121 that restriction swinging block 21 moves, the opposite side of described cover plate 12 relative limit portions 121 is provided with the second confinement block 123 that the first confinement block 122 that restriction stationary contact piece 115 moves and restriction binding post 114 move.
This push-button switch is by having done further improvement to rocker arm assembly 2, rocker arm assembly 2 forks 22, swinging block 21 on spring 23 and cover plate 12 forms, because spring 23 one end are placed in spring cavity volume 24, the other end is placed in and is arranged so that spring 23 is all the time in compressive state on the conflict piece 1163 of movable contact spring 116, spring 23 provides pre-police strength to movable contact spring 116 all the time so, guarantee that any movement can not occur movable contact spring 116, when the active force on swinging block 21 is during toward the right, the stationary contact piece 115 on the movable contact spring 116 meeting conflict left sides is realized and being communicated with, when the active force on swinging block 21 is during toward the left side, the stationary contact piece 115 on movable contact spring 116 meeting conflict the right is realized and being disconnected, in this process because spring 23 is all the time in compressive state, the conflict of movable contact spring 116 and stationary contact piece 115 is just highly stable so, cover plate 12 upper limit portions 121 arrange the movement of effectively having avoided swinging block 21, the first confinement block 122 of the opposite side of cover plate 12 relative limit portions 121 and the setting of the second confinement block 123, after cover plate 12 and pedestal 11 assemblings, effectively limit moving or coming off of stationary contact piece 115 and binding post 114, guarantee the stable of contact, this push-button switch good stability, effectively avoid the generation of loose contact.
Between described binding post 114 and described movable contact spring 116, be provided with lug plate 117, described the second confinement block 123 1 sides are connected with the guide vane end stop 124 of conflict lug plate 117.
Owing to being connected with lug plate 117 between binding post 114 and movable contact spring 116, lug plate 117 must conflict respectively binding post 114 and movable contact spring 116, cause so on movable contact position 113 and must have the access of a breach for lug plate 117, the second confinement block 123 1 sides connect the setting of guide vane end stop 124, the lug plate 117 of guaranteeing to conflict, avoid the movement of lug plate 117, when affecting conducting, can also fill the breach on movable contact position 113, effectively prevent the movement of movable contact spring 116.
On described stationary contact piece 115, be fixedly connected with static contact 118, described static contact 118 is provided with fixed contact 1181, and described movable contact spring 116 is provided with the moving contact 1164 for conflicting with fixed contact 1181.
Fixed contact 1181 and moving contact 1164 have advantages of good electric conductivity and are not easy to cause electric spark, avoid the direct conflict of static contact 118 and movable contact spring 116 to cause heating, affect useful life.
The both sides of described pedestal 11 are provided with guide pad 13, described cover plate 12 is provided with the gathering sill 14 suitable with described guide pad 13, described guide pad 13 is slidably fitted in gathering sill 14, between two guide pads 13, be provided with spacing block set 15, on described cover plate 12, be also provided with the stopper slot 14 suitable with spacing block set 15.
The setting of guide pad 13 and gathering sill 14, for being coupled to pedestal 11, cover plate 12 provides guiding, further improve the facility of assembling, the setting of spacing block set 15 and stopper slot 16 is when after cover plate 12 and pedestal 11 assemblings, effectively avoid that cover plate 12 is unartificial to come off, play a position-limiting action, improve the stability of assembling.
Above the utility model embodiment is described in detail, for one of ordinary skill in the art, according to the thought of the utility model embodiment, all will change in specific embodiments and applications.In sum; this description should not be construed as restriction of the present utility model; other any any variation and modification of doing according to the constructed thought of the utility model and scope of patent protection or be equal to enforcement, is scope of patent protection of the present utility model and contains.
Claims (4)
1. the push-button switch of a high stability, comprise housing, be located at the rocker arm assembly on housing and control the control assembly that rocker arm assembly swings, described housing includes base and cover plate, in described pedestal, be provided with wiring position, stationary contact position and movable contact position, described wiring position, stationary contact position and movable contact position respectively correspondence are provided with binding post, stationary contact piece and movable contact spring, it is characterized in that: described rocker arm assembly comprises fork is set, spring and setting swinging block on the cover board, described movable contact spring includes contact part and connecting portion, described connecting portion is provided with conflict piece, described fork is built-in with spring cavity volume, described spring one end is placed in described spring cavity volume, the other end is placed on described conflict piece, described cover plate is provided with the limiting section that restriction swinging block moves, the opposite side of described cover plate relative limit portion is provided with the second confinement block that the first confinement block that restriction stationary contact piece moves and restriction binding post move.
2. the push-button switch of a kind of high stability according to claim 1, is characterized in that: between described binding post and described movable contact spring, be provided with lug plate, described the second confinement block one side is connected with the guide vane end stop of conflict lug plate.
3. the push-button switch of a kind of high stability according to claim 1 and 2, is characterized in that: on described stationary contact piece, be fixedly connected with static contact, described static contact is provided with fixed contact, described movable contact spring be provided with for fixed contact conflict moving contact.
4. the push-button switch of a kind of high stability according to claim 1 and 2, it is characterized in that: the both sides of described pedestal are equipped with guide pad, described cover plate is provided with the gathering sill suitable with described guide pad, guide pad is slidably fitted in gathering sill, between two guide pads, be provided with spacing block set, on described cover plate, be also provided with the stopper slot suitable with spacing block set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060817.3U CN203721591U (en) | 2014-02-10 | 2014-02-10 | High-stability button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060817.3U CN203721591U (en) | 2014-02-10 | 2014-02-10 | High-stability button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721591U true CN203721591U (en) | 2014-07-16 |
Family
ID=51160728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420060817.3U Expired - Fee Related CN203721591U (en) | 2014-02-10 | 2014-02-10 | High-stability button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010786A (en) * | 2017-12-14 | 2018-05-08 | 贵派电器股份有限公司 | A kind of novel swing chip architecture switch |
| CN108565165A (en) * | 2018-04-25 | 2018-09-21 | 广东福田电器有限公司 | A kind of universal switch |
-
2014
- 2014-02-10 CN CN201420060817.3U patent/CN203721591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010786A (en) * | 2017-12-14 | 2018-05-08 | 贵派电器股份有限公司 | A kind of novel swing chip architecture switch |
| CN108565165A (en) * | 2018-04-25 | 2018-09-21 | 广东福田电器有限公司 | A kind of universal switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200210 |