CN204614711U - Sensitive switch open in usual - Google Patents
Sensitive switch open in usual Download PDFInfo
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- CN204614711U CN204614711U CN201520330528.5U CN201520330528U CN204614711U CN 204614711 U CN204614711 U CN 204614711U CN 201520330528 U CN201520330528 U CN 201520330528U CN 204614711 U CN204614711 U CN 204614711U
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- containing cavity
- movable contact
- contact spring
- housing
- sensitive switch
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- 239000012634 fragment Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a kind of sensitive switch open in usual, comprise housing, metallic support, movable contact spring and of normal beginning etc., housing is provided with containing cavity, metallic support is arranged on the side of housing, movable contact spring is arranged on the metallic support in containing cavity, movable contact spring is provided with moving contact, on housing, the opposite side of opposing metallic backing positions is provided with Chang Kaiduan, Chang Kaiduan enters containing cavity side by housing bottom, and extend towards containing cavity centerline direction, the sub-bottom surface of Chang Kaiduan in containing cavity also offsets with containing cavity diapire, and Chang Kaiduan in containing cavity is provided with fixed contact, moving contact in containing cavity and the shortest spacing between fixed contact are between 2mm to 3.5mm, this kind of sensitive switch open in usual, has simple and reasonable for structure, and without the need to changing housing size, between moving contact and fixed contact, shortest spacing can reach between 2mm to 3.5mm, is conducive to the sensitive switch open in usual promoted the use of.
Description
Technical field
The utility model relates to sensitive switch technical field, especially a kind of sensitive switch open in usual.
Background technology
Sensitive switch is a kind of high-speed switch of actuating of exerting pressure, be sensitive switch again, its operation principle is: outer mechanical force by actuated element (as: button) by masterpiece for movable contact spring, and by after energy accumulation to critical point, produce instantaneous operation, make moving contact on movable contact spring and (on another terminal) fixed contact quick-make or disconnection, for electrical equipment, machine etc. provide control system of switching on or off electricity, be widely used in mouse, household electrical appliance, the place such as industrial machinery and various power consumption equipments, though sensitive switch volume is little, plays irreplaceable effect.
At present, style and the kind of sensitive switch are more, with the length of housing between 20mm to 21mm, the open in usual sensitive switch of height between 10mm to 11.5mm is example, and because overall volume is less, therefore moving contact in containing cavity and the contact spacing (as: shortest spacing) between fixed contact cannot reach more than 2mm, cause the electric equipment products that ask for something contact spacing is larger, cannot use, this, in a quiet degree, limits promoting the use of of sensitive switch.
For this reason, part producer is had by increasing the body height of sensitive switch, to meet the requirement larger to contact spacing; But, this way, owing to changing housing size, electric equipment products internal structure (being especially the installation site of sensitive switch) is caused also to need to change, to overcome the change because of sensitive switch housing size, and cause installation and connect the difference coordinated, this, concerning general electrical equipment manufacturer, is to accept, for this reason, the sensitive switch open in usual of the above-mentioned type, it is promoted the use of exists larger restriction all the time.
Utility model content
The purpose of this utility model is the deficiency overcoming above-mentioned prior art existence, and provide a kind of simple and reasonable for structure, without the need to changing housing size, between moving contact and fixed contact, shortest spacing can reach between 2mm to 3.5mm, is conducive to the sensitive switch open in usual promoted the use of.
The purpose of this utility model is achieved in that
Sensitive switch open in usual, comprise housing, button, metallic support, shell fragment, movable contact spring and of normal beginning, housing is provided with containing cavity, metallic support is arranged on the side of housing, wherein, the lower end of metallic support stretches and stretches out the bottom of housing, the top of metallic support is arranged in containing cavity, movable contact spring is arranged on the metallic support in containing cavity, movable contact spring is provided with moving contact, it is characterized in that, on described housing, the opposite side of opposing metallic backing positions is provided with Chang Kaiduan, Chang Kaiduan enters containing cavity side by housing bottom, and extend towards containing cavity centerline direction, the sub-bottom surface of Chang Kaiduan in containing cavity also offsets with containing cavity diapire, and Chang Kaiduan in containing cavity is provided with fixed contact, moving contact in containing cavity and the shortest spacing between fixed contact are between 2mm to 3.5mm, this kind of sensitive switch open in usual, by Chang Kaiduan being arranged on a side position of housing, distance in the containing cavity of housing between metallic support and Chang Kaiduan is widened, avoid in the containing cavity that space is less, metallic support and Chang Kaiduan are because of apart from close, cause the contact spacing between moving contact and fixed contact less, and the technical solution of the utility model, without the need to changing housing size, the shortest spacing of moving contact and fixed contact in containing cavity (as: contact spacing) can be made to reach between 2mm to 3.5mm, to meet the use needs to the larger electric equipment products of contact spacing, be conducive to promoting the use of of this sensitive switch open in usual, and, its structure is simple, rationally.
The utility model can also adopt following technical measures to solve:
As scheme more specifically, side, edge near housing side is provided with the sub-straight hole of Chang Kaiduan, approximate " 7 " font of described Chang Kaiduan, it comprises vertical section and traversing section, vertical section is through the sub-straight hole of Chang Kaiduan, traversing section extends from containing cavity side toward containing cavity centerline direction in containing cavity, and the bottom surface of traversing section and containing cavity diapire offset; This had both widened the distance of the sub-traversing section of Chang Kaiduan and metallic support in containing cavity, in turn increased the contact spacing between moving contact and fixed contact, made product structure more rational.
As scheme more specifically, described fixed contact is arranged on the traversing section of Chang Kaiduan on the surface, and fixed contact is positioned at the below of moving contact, that is: moving contact and fixed contact keep upper and lower relation, the Rapid contact being conducive to both be separated.
As scheme more specifically, approximate " h " shape of described metallic support, it comprises the vertical section of support and support U section, the vertical section of support is arranged on the opposite side of the shell position at the sub-place of Chang Kaiduan, support U section is positioned at vacant chamber, it comprises horizontal base section, and be arranged on the vertical back segment of horizontal base section both sides and vertical leading portion, vertical back segment is near containing cavity side, horizontal base section and containing cavity diapire offset, vertical leading portion is positioned near containing cavity position of center line, movable contact spring rear end is connected to vertical back segment, containing cavity top above its front propagation to fixed contact, the junction of movable contact spring rear end and vertical back segment is as fulcrum, monoblock movable contact spring is made to be rich in obvious elasticity, especially the front and back end span being movable contact spring is larger, be conducive to the height improving movable contact spring front end, thus the beeline widened between moving contact and fixed contact, as: widen contact spacing, with satisfied use needs.
As scheme more specifically, described button is arranged on case top, button lower end to stretch in containing cavity and and vertically back segment and the movable contact spring vertically between leading portion offset or close; Button, by External Force Acting, can push movable contact spring, thus the moving contact on movable contact spring is contacted with fixed contact, if cancel button external force, movable contact spring resets, and makes moving contact leave fixed contact.
As further improvement, described movable contact spring is curved, and movable contact spring is by rear end extreme direction forward, and its height is from low toward high gradual change; The movable contact spring of this arc, its front height is the highest, obviously can increase the contact spacing of moving contact and fixed contact.
As further improvement, the vertical front-end position of the corresponding metallic support of described movable contact spring has pilot hole, and the vertical leading portion of metallic support passes the pilot hole of movable contact spring; By button active force, movable contact spring utilizes pilot hole and the guide effect vertically between leading portion, makes the lifting moving of maidenliness.
As the scheme of the best, described moving contact is arranged on the front end of movable contact spring, and the front end of movable contact spring and containing cavity roof offset, and ensures that the contact spacing between moving contact and fixed contact reaches maximum in containing cavity.
Movable contact spring between described moving contact and pilot hole is provided with shell fragment, shell fragment is convex, shell fragment one end holding of convex is at the vertical leading portion of metallic support, and other end card is quiet on movable contact spring, offsets or close between the shell fragment top of convex and the corresponding roof of containing cavity; Here shell fragment, both can improve the elastic force of movable contact spring, to make button force reach a quiet degree, could promote movable contact spring and produce instantaneous operation, make the moving contact on movable contact spring and the fixed contact quick-make on Chang Kaiduan or disconnection, its sensitivity and accuracy higher.
As scheme more specifically, the length of described housing is between 20mm to 21mm, and height is between 10mm to 11.5mm; Like this, the utility model, in limited length and altitude range, realizes maximum contact spacing.
The beneficial effects of the utility model are as follows:
(1) this kind of sensitive switch open in usual, by Chang Kaiduan being arranged on a side position of housing, distance in the containing cavity of housing between metallic support and Chang Kaiduan is widened, avoid in the containing cavity that space is less, metallic support and Chang Kaiduan are because of apart from close, cause the contact spacing between moving contact and fixed contact less, and the technical solution of the utility model, without the need to changing housing size, the shortest spacing of moving contact and fixed contact in containing cavity (as: contact spacing) can be made to reach between 2mm to 3.5mm, to meet the use needs to the larger electric equipment products of contact spacing, be conducive to promoting the use of of this sensitive switch open in usual, and, its structure is simple, rationally.
(2) further, movable contact spring is curved, the extreme direction forward along rear end, its height is from low toward high gradual change; The movable contact spring of this arc, makes the movable contact spring front end in containing cavity, can be arranged on highest order place, obviously increases the contact spacing between moving contact and fixed contact.
(3) another, by arranging pilot hole on movable contact spring, the vertical leading portion of metallic support passes the pilot hole of movable contact spring; When being subject to button active force to make movable contact spring, movable contact spring utilizes pilot hole and the guide effect vertically between leading portion, makes the lifting moving of maidenliness; More have plenty of, shell fragment is designed to convex, both can improve the elastic force of movable contact spring, a quiet degree is reached to make button force, movable contact spring could be promoted and produce instantaneous operation, make the moving contact on movable contact spring and the fixed contact quick-make on Chang Kaiduan or disconnection, its sensitivity and accuracy higher.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model sensitive switch open in usual.
Fig. 2 is the internal structure schematic diagram of the sensitive switch open in usual of Fig. 1.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.
Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Below with reference to Fig. 1 to Fig. 2, embodiment of the present utility model is described in detail as follows.
A kind of sensitive switch open in usual, comprise housing 1, button 2, metallic support 3, shell fragment 4, movable contact spring 5 and normal beginning 6, the length L of housing 1 is between 20mm to 21mm, height K is between 10mm to 11.5mm, housing 1 is provided with containing cavity 7, metallic support 3 is arranged on the side of housing 1, wherein, the lower end of metallic support 3 stretches and stretches out the bottom of housing 1, the top of metallic support 3 is arranged in containing cavity 7, movable contact spring 5 is arranged on the metallic support 3 in containing cavity 7, movable contact spring 5 is provided with moving contact 8, it is characterized in that, on described housing 1, the opposite side of opposing metallic support 3 position is provided with Chang Kaiduan 6, Chang Kaiduan 6 is by entering containing cavity 7 side bottom housing 1, and extend towards containing cavity 7 centerline direction, Chang Kaiduan 6 bottom surfaces in containing cavity 7 also offset with containing cavity 7 diapire, and Chang Kaiduan 6 in containing cavity 7 is provided with fixed contact 9, moving contact 8 in containing cavity 7 and the shortest spacing A between fixed contact 9 are between 2mm to 3.5mm.
As shown in Figure 2, side, edge near housing 1 side is provided with the sub-straight hole 10 of Chang Kaiduan, approximate " 7 " font of described Chang Kaiduan 6, it comprises vertical section 61 and traversing section 62, vertical section 61 is through the sub-straight hole 10 of Chang Kaiduan, traversing section 62 is extended from containing cavity 7 side toward containing cavity centerline direction in containing cavity 7, and the bottom surface of traversing section 62 and containing cavity 7 diapire offset; Described fixed contact 9 is arranged on the traversing section 62 of Chang Kaiduan on the surface, and fixed contact 9 is positioned at the below of moving contact 8.
Wherein, approximate " h " shape of above-mentioned metallic support 3, it comprises the vertical section 31 of support and support U section 32, the vertical section 31 of support is arranged on the opposite side of housing 1 position at Chang Kaiduan 6 places, support U section 32 is positioned at vacant chamber 7, it comprises horizontal base section 321, and be arranged on vertical back segment 322 and the vertical leading portion 323 of horizontal base section 321 both sides, vertical back segment 322 is near containing cavity 7 side, horizontal base section 311 and containing cavity 7 diapire offset, vertical leading portion 323 is positioned near containing cavity position of center line, movable contact spring 5 rear end is connected to vertical back segment 322, containing cavity 7 top above its front propagation to fixed contact 9.
Described button 2 is arranged on housing 1 top, and button 2 lower end stretches in containing cavity 7 and and vertically back segment 322 and the movable contact spring 5 vertically between leading portion 323 offset or close.
Described movable contact spring 5 is curved, and movable contact spring 5 is by rear end extreme direction forward, and its height is from low toward high gradual change.
Vertical leading portion 323 position of the corresponding metallic support of described movable contact spring 53 has pilot hole 51, and the vertical leading portion 323 of metallic support passes the pilot hole 51 of movable contact spring.
Described moving contact 8 is arranged on the front end of movable contact spring 5, and the front end of movable contact spring 5 and containing cavity 7 roof offset.
Movable contact spring 5 between described moving contact 8 and pilot hole 51 is provided with shell fragment 4, shell fragment 4 is convex, shell fragment 4 one end holding of convex is at the vertical leading portion 323 of metallic support, other end card is quiet on movable contact spring 5, offsets or close between shell fragment 4 top of convex and the corresponding roof of containing cavity 7; Here shell fragment 4, both can improve the elastic force of movable contact spring 5, and to make button 2 power reach a quiet degree, movable contact spring 5 could have been promoted and produce instantaneous operation, make moving contact on movable contact spring 58 and fixed contact 9 quick-make on Chang Kaiduan or disconnection, its sensitivity and accuracy higher.
Operation principle: External Force Acting is in button 2, masterpiece is used for movable contact spring 5 by button 2, and by after energy accumulation to critical point (overcoming the effect of shell fragment 4 power), produce instantaneous operation, make the moving contact 8 on movable contact spring 5 and fixed contact 9 quick-make or disconnection, for electrical equipment, machine etc. provide control system of switching on or off electricity accurately.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., within the protection range that all should be included in.
Claims (10)
1. sensitive switch open in usual, comprise housing (1), button (2), metallic support (3), shell fragment (4), movable contact spring (5) and normal beginning (6), housing (1) is provided with containing cavity (7), metallic support (3) is arranged on the side of housing (1), wherein, the lower end of metallic support (3) stretches and stretches out the bottom of housing (1), the top of metallic support (3) is arranged in containing cavity (7), movable contact spring (5) is arranged on the metallic support (3) in containing cavity (7), movable contact spring (5) is provided with moving contact (8), it is characterized in that, the opposite side of upper opposing metallic support (3) position of described housing (1) is provided with Chang Kaiduan (6), Chang Kaiduan (6) enters containing cavity (7) side by housing (1) bottom, and extend towards containing cavity (7) centerline direction, Chang Kaiduan (6) bottom surface in containing cavity (7) also offsets with containing cavity (7) diapire, and Chang Kaiduan (6) in containing cavity (7) is provided with fixed contact (9), moving contact (8) in containing cavity (7) and the shortest spacing (A) between fixed contact (9) are between 2mm to 3.5mm.
2. sensitive switch open in usual according to claim 1, it is characterized in that, side, edge near housing (1) side is provided with the sub-straight hole of Chang Kaiduan (10), described Chang Kaiduan (6) is similar to " 7 " font, it comprises vertical section (61) and traversing section (62), vertical section (61) is through the sub-straight hole of Chang Kaiduan (10), traversing section (62) is extended from containing cavity (7) side toward containing cavity centerline direction in containing cavity (7), and the bottom surface of traversing section (62) and containing cavity (7) diapire offset.
3. sensitive switch open in usual according to claim 2, it is characterized in that, described fixed contact (9) is arranged on the traversing section (62) of Chang Kaiduan on the surface, and fixed contact (9) is positioned at the below of moving contact (8).
4. sensitive switch open in usual according to claim 2, it is characterized in that, approximate " h " shape of described metallic support (3), it comprises the vertical section of support (31) and support U section (32), the vertical section of support (31) is arranged on the opposite side of housing (1) position at Chang Kaiduan (6) place, support U section (32) is positioned at vacant chamber (7), it comprises horizontal base section (321), and be arranged on vertical back segment (322) and the vertical leading portion (323) of horizontal base section (321) both sides, vertical back segment (322) is near containing cavity (7) side, horizontal base section (311) and containing cavity (7) diapire offset, vertical leading portion (323) is positioned near containing cavity position of center line, movable contact spring (5) rear end is connected to vertical back segment (322), its front propagation is to containing cavity (7) top of fixed contact (9) top.
5. sensitive switch open in usual according to claim 4, it is characterized in that, described button (2) is arranged on housing (1) top, button (2) lower end to stretch in containing cavity (7) and and movable contact spring (5) between vertical back segment (322) and vertical leading portion (323) to offset or close.
6. sensitive switch open in usual according to claim 5, it is characterized in that, described movable contact spring (5) is curved, and movable contact spring (5) is by rear end extreme direction forward, and its height is from low toward high gradual change.
7. sensitive switch open in usual according to claim 5 or 6, it is characterized in that, vertical leading portion (323) position of described movable contact spring (5) corresponding metallic support (3) has pilot hole (51), and the vertical leading portion (323) of metallic support is through the pilot hole (51) of movable contact spring.
8. sensitive switch open in usual according to claim 7, it is characterized in that, described moving contact (8) is arranged on the front end of movable contact spring (5), and the front end of movable contact spring (5) and containing cavity (7) roof offset.
9. sensitive switch open in usual according to claim 8, it is characterized in that, movable contact spring (5) between described moving contact (8) and pilot hole (51) is provided with shell fragment (4), shell fragment (4) is convex, shell fragment (4) one end holding of convex is at the vertical leading portion (323) of metallic support, other end card is quiet on movable contact spring (5), offsets or close between shell fragment (4) top of convex and the corresponding roof of containing cavity (7).
10. sensitive switch open in usual according to claim 1, it is characterized in that, the length (L) of described housing (1) is between 20mm to 21mm, and highly (K) is between 10mm to 11.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330528.5U CN204614711U (en) | 2015-05-21 | 2015-05-21 | Sensitive switch open in usual |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330528.5U CN204614711U (en) | 2015-05-21 | 2015-05-21 | Sensitive switch open in usual |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204614711U true CN204614711U (en) | 2015-09-02 |
Family
ID=53967246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330528.5U Active CN204614711U (en) | 2015-05-21 | 2015-05-21 | Sensitive switch open in usual |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204614711U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337600A (en) * | 2015-11-17 | 2016-02-17 | 东莞市名键电子科技有限公司 | Inching switch |
| CN107017107A (en) * | 2017-06-05 | 2017-08-04 | 漳州聚安美电气科技有限公司 | The double spacing universal switches of the fine motion of dual spring |
| CN107342180A (en) * | 2017-08-10 | 2017-11-10 | 东莞市金倍利电器科技有限公司 | A kind of new-type microswitch structure |
| CN108987160A (en) * | 2018-08-10 | 2018-12-11 | 李东轩 | Spring plate microswitch |
-
2015
- 2015-05-21 CN CN201520330528.5U patent/CN204614711U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337600A (en) * | 2015-11-17 | 2016-02-17 | 东莞市名键电子科技有限公司 | Inching switch |
| CN105337600B (en) * | 2015-11-17 | 2018-12-07 | 东莞市名键电子科技有限公司 | Microswitch |
| CN107017107A (en) * | 2017-06-05 | 2017-08-04 | 漳州聚安美电气科技有限公司 | The double spacing universal switches of the fine motion of dual spring |
| CN107017107B (en) * | 2017-06-05 | 2018-12-25 | 漳州聚安美电气科技有限公司 | The double limit universal switches of the fine motion of dual spring |
| CN107342180A (en) * | 2017-08-10 | 2017-11-10 | 东莞市金倍利电器科技有限公司 | A kind of new-type microswitch structure |
| CN108987160A (en) * | 2018-08-10 | 2018-12-11 | 李东轩 | Spring plate microswitch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528300 No. 42 Zhongcheng Road, Xincheng Community, Leliu Street, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: GUANGDONG YU SHUN ELECTRICAL Co.,Ltd. Country or region after: China Address before: 528300 Leliu Jiangyi Industrial Zone, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG YU SHUN ELECTRICAL Co.,Ltd. Country or region before: China |