CN201594476U - Novel cam switch - Google Patents
Novel cam switch Download PDFInfo
- Publication number
- CN201594476U CN201594476U CN2009203139631U CN200920313963U CN201594476U CN 201594476 U CN201594476 U CN 201594476U CN 2009203139631 U CN2009203139631 U CN 2009203139631U CN 200920313963 U CN200920313963 U CN 200920313963U CN 201594476 U CN201594476 U CN 201594476U
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- Prior art keywords
- cam
- contact
- slide bar
- switch
- switch base
- Prior art date
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- Expired - Fee Related
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- 230000007704 transition Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to a cam switch. The switch comprises a switch base, a cam, slide bars and contact springs. The utility model is characterized in that the cam is arranged on the switch base by a cam shaft; the cam consists of an upper cam and a lower cam, and the eccentric angle difference of the upper and the lower cams is from 15 degrees to 45 degrees; the slide bars are arranged at the two sides of the cam, the slide bars are in slide connection with the switch base, the two side slide bars are staggered up and down, and the top ends of the slide bars respectively come into contact with the upper and the lower cams; the contact springs are divided into movable contact springs and static contact springs, the movable contact springs are arranged on the two side slide bars, the static contact springs are arranged on the switch base in positions corresponding to the movable contact springs, and a return mechanism is arranged between the slide bars and the switch base. The utility model realizes a novel cam switch of which the two slide bar motion process is flexible and the structure is simple.
Description
Technical field
The utility model relates to a kind of switch, especially relates to a kind of cam switch.
Background technology
Cam switch is meant the electrical equipment of adjusting and control the contact operating state by camming movement.It has reliable, the stable advantage of control, is used widely in some important current control systems.Traditional cam switch shape on the support of flank of cam is furnished with a double-contact contact, and the compression spring is housed between the sidewall of contact and contact pedestal.When cam rotation, support along with camming movement driving moving of contact, thereby realize the disconnection and the connection of contact.Switch is in on-state when support is positioned at the concave point of cam, and switch is in off-state when support is positioned at the salient point of cam.Application number is the self-clean cam switch that 200510111659.5 Chinese patent discloses a kind of quick break-make, it, comprise contact pedestal, be arranged on cam and moving contact mechanism on the contact pedestal, in described moving contact mechanism, the support that is positioned at flank of cam is connected with an end of metal carrier, the both sides of metal carrier are provided with the wedge shape notch, the bottom that is separately positioned on two contacts in the wedge shape notch is an edge of a knife shape, be provided with a spring between two contacts, be provided with the compression spring between the other end of metal carrier and the contact pedestal inwall.
This technical scheme is the same with traditional structure, two slide bars are all by a cam contour control, therefore the motor pattern of their slide bar all is to begin to do after the direction motion away from cam at a slide bar, and etc. the cam rotation half-turn, the direction that another slide bar begins to do to away from cam is moved; Otherwise do after the direction motion near cam at a slide bar, etc. the cam rotation half-turn, the direction that another slide bar begins to do near cam is moved.And this single motion control process cannot meet the demands in the process of a lot of switch controls.
Summary of the invention
The utility model mainly is that the control model that solves the existing in prior technology cam switch can only be a kind of beginning of motion state of a slide bar this technical problem than this inflexible control during the cam rotation half-turn after another slide bar begins this motion state, provide a kind of motion process of two slide bars flexible, and new type of cam switch simple in structure.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of new type of cam switch, comprise switch base, cam, slide bar and electric contact point, it is characterized in that described cam is located on the switch base by camshaft, described cam is made of overhead cam and following cam, on, the eccentric angle difference of following cam is the 15-45 degree, the both sides of cam are provided with slide bar, slide bar and switch base are slidingly connected, the slide bar of both sides staggers up and down, and contact with cam up and down respectively by the top, described electric contact point is divided into movable contact spring and static contact, movable contact spring is located on the slide bar of both sides, static contact is located on the switch base with the movable contact spring corresponding position, is provided with response agency between slide bar and the switch base.Respectively corresponding slide bar of cam up and down, therefore two slide bars are controlled respectively by cam up and down, so control procedure by cam decision itself, relatively more flexible, the motion process of two slide bars does not have necessary relation.Therefore comparatively flexible on to the control procedure of slide bar, and can be by the design of cam is up and down finished.Described eccentric angle difference is the angle away from the line of the structure centre of the face of cam center and cam center separately of cam up and down.This angle has determined the alternation procedure of two bar motions.
As preferably, described overhead cam is identical with the shape of following cam, all partly is made of the heart part far away and the nearly heart, and the heart part far away and the nearly heart are partly by one section cambered surface transition.The shape of overhead cam and following cam is identical to make that the motion process of slide bar is identical up and down, just determines because of the eccentric angle difference on the run duration.The mode of cambered surface transition can be so that there be a buffer stage on the top when the different piece transition of cam face, the useful life of help reducing noise, improving product.
As preferably, described static contact all is made of left contact and right contact, and movable contact spring is provided with a conducting sheet, and is arranged with left contact and right contact, and two contacts are corresponding with left and right contact respectively.This scheme can avoid lead owing to the possibility that comes off with the movable contact spring motion so that movable contact spring need not directly link to each other with lead.
As preferably, described response agency is made of a compression spring, and this compression spring is located between slide bar end and the switch base.Cam push rod to away from the motion of the direction of cam the time, spring is compressed; When the top from cam from the heart far away part to the nearly heart part transition time, push rod under the effect of the restoring force of spring to the direction motion of cam.This simple in structure, stable, cost is low.
As preferred, described heart part far away and nearly heart part are made of a face of cylinder respectively.The face of cylinder makes the contact when contacting and separate, and the rotational angle of cam all has a bigger territory degree, makes that contact contact or the process of separating are comparatively stable.
The beneficial effect that brings of the present utility model is, the control model that has solved the existing in prior technology cam switch can only be this technical problem than this inflexible control of beginning when another slide bar begins cam rotation half-turn after this motion state of a kind of motion state of a slide bar, the motion process of having realized a kind of two slide bars is flexible, and new type of cam switch simple in structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is a kind of structural representations of cam of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, the utility model is a kind of new type of cam switch, comprise switch base 6, cam 1, slide bar 2 and electric contact point, described cam is located on the switch base by camshaft, described cam constitutes (as shown in Figure 2) by overhead cam 11 and following cam 12, and overhead cam is identical with the shape of following cam, all partly is made of the heart part far away and the nearly heart, heart part far away and nearly heart part are made of a face of cylinder respectively, and by one section cambered surface transition.The eccentric angle difference of cam is 18 degree up and down, the both sides of cam are provided with slide bar, slide bar and switch base are slidingly connected, the slide bar of both sides staggers up and down, and contact with cam up and down respectively by the top, described electric contact point is divided into movable contact spring 3 and static contact, and the slide bar of both sides is provided with movable contact spring, and with the switch base of movable contact spring corresponding position on be provided with static contact.Static contact all is made of left contact 42 and right contact 41, and movable contact spring is provided with a conducting sheet, and set up left contact 31 separately, 32, two contacts, right contact are corresponding with left and right contact respectively.Be provided with a compression spring 5 between slide bar end and the switch base.
The respectively corresponding slide bar of up and down cam of the present utility model, therefore two slide bars are controlled respectively by cam up and down, so control procedure by cam decision itself, relatively more flexible, the motion process of two slide bars does not have necessary relation.Therefore comparatively flexible on to the control procedure of slide bar, and can be by the design of cam is up and down finished.Described eccentric angle difference is the angle away from the line of the structure centre of the face of cam center and cam center separately of cam up and down.This angle has determined the alternation procedure of two bar motions.The shape of overhead cam and following cam is identical to make that the motion process of slide bar is identical, and just run duration is determined by the eccentric angle difference.The mode of cambered surface transition can be so that push rod has a buffer stage when the different piece transition of cam face, the useful life of help reducing noise, improving product.
So the utlity model has features such as structure is flexible, easy to operate, noise is little, the life-span is long.
Claims (7)
1. new type of cam switch, comprise switch base, cam, slide bar and electric contact point, it is characterized in that described cam (1) is located on the switch base (6) by camshaft, described cam is made of overhead cam (11) and following cam (12), on, the eccentric angle difference of following cam is 1545 degree, the both sides of cam are provided with slide bar (2), slide bar and switch base (6) are slidingly connected, the slide bar of both sides staggers up and down, and contact with cam up and down respectively by the top, described electric contact point is divided into movable contact spring (3) and static contact, and movable contact spring is located on the slide bar of both sides, static contact is located on the switch base with the movable contact spring corresponding position, is provided with response agency between slide bar and the switch base.
2. a kind of new type of cam switch according to claim 1 is characterized in that described overhead cam is identical with the shape of following cam, all partly is made of the heart part far away and the nearly heart, and the heart part far away and the nearly heart are partly by one section cambered surface transition.
3. a kind of new type of cam switch according to claim 1 and 2, it is characterized in that described static contact all is made of left contact (42) and right contact (41), movable contact spring (3) is provided with a conducting sheet, and being arranged with left contact (32) and right contact (31), two contacts are corresponding with left and right contact respectively.
4. a kind of new type of cam switch according to claim 2 is characterized in that described response agency is made of a compression spring (5), and this compression spring is located between slide bar end and the switch base.
5. a kind of new type of cam switch according to claim 1 and 2 is characterized in that described heart part far away and nearly heart part are made of a face of cylinder respectively.
6. a kind of new type of cam switch according to claim 3 is characterized in that described heart part far away and nearly heart part are made of a face of cylinder respectively.
7. a kind of new type of cam switch according to claim 4 is characterized in that described heart part far away and nearly heart part are made of a face of cylinder respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203139631U CN201594476U (en) | 2009-11-03 | 2009-11-03 | Novel cam switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203139631U CN201594476U (en) | 2009-11-03 | 2009-11-03 | Novel cam switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594476U true CN201594476U (en) | 2010-09-29 |
Family
ID=42776544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203139631U Expired - Fee Related CN201594476U (en) | 2009-11-03 | 2009-11-03 | Novel cam switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201594476U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734529A (en) * | 2012-07-13 | 2012-10-17 | 深圳市理邦精密仪器股份有限公司 | Linkage control device and blood gas analyzer adopting same |
| CN110993462A (en) * | 2019-12-19 | 2020-04-10 | 南京亚派科技股份有限公司 | Contact device of low-voltage circuit breaker |
| CN114273141A (en) * | 2021-12-30 | 2022-04-05 | 蓝山县鸿坤金属制品有限公司 | Metal product production surface protective paint coating equipment |
| CN117301602A (en) * | 2023-12-01 | 2023-12-29 | 济南二机床新光机电有限公司 | Mechanical rotary cam controller |
-
2009
- 2009-11-03 CN CN2009203139631U patent/CN201594476U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734529A (en) * | 2012-07-13 | 2012-10-17 | 深圳市理邦精密仪器股份有限公司 | Linkage control device and blood gas analyzer adopting same |
| WO2014008688A1 (en) | 2012-07-13 | 2014-01-16 | 深圳市理邦精密仪器股份有限公司 | Linkage control device and blood gas analyzer adopting same |
| US9625480B2 (en) | 2012-07-13 | 2017-04-18 | Edan Instruments Inc | Linkage control device and blood gas analyzer adopting same |
| CN110993462A (en) * | 2019-12-19 | 2020-04-10 | 南京亚派科技股份有限公司 | Contact device of low-voltage circuit breaker |
| CN110993462B (en) * | 2019-12-19 | 2021-11-19 | 南京亚派科技股份有限公司 | Contact device of low-voltage circuit breaker |
| CN114273141A (en) * | 2021-12-30 | 2022-04-05 | 蓝山县鸿坤金属制品有限公司 | Metal product production surface protective paint coating equipment |
| CN117301602A (en) * | 2023-12-01 | 2023-12-29 | 济南二机床新光机电有限公司 | Mechanical rotary cam controller |
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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 |
Granted publication date: 20100929 Termination date: 20151103 |
|
| EXPY | Termination of patent right or utility model |