CN203979574U - A kind of microswitch component for electric actuator - Google Patents
A kind of microswitch component for electric actuator Download PDFInfo
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- CN203979574U CN203979574U CN201420405548.XU CN201420405548U CN203979574U CN 203979574 U CN203979574 U CN 203979574U CN 201420405548 U CN201420405548 U CN 201420405548U CN 203979574 U CN203979574 U CN 203979574U
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- sensitive switch
- electric actuator
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000009351 contact transmission Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of microswitch component for electric actuator, aim to provide a kind of pressure release mechanism of setting up on microswitch component, guarantee microswitch component energy active homing resilience in limit convex wheels rotation process, guarantee the microswitch component of the electric actuator that body function is stable, its technological scheme main points are a kind of microswitch components for electric actuator, comprise sensitive switch and limit cam, sensitive switch is connected with limit cam Contact Transmission and is arranged in the shell of electric actuator, the exterior arc surface of limit cam is conflicted and is connected with the driving handle of sensitive switch, on sensitive switch, be provided with pressure release mechanism, force release mechanism to comprise button pressure rebounding mechanism and contact pressure release mechanism, by above architecture advances, realization is in the gradual rotary course of cam, the sensitive switch resilience that also can reset smoothly, contact does not occur to be clung, guaranteed the function-stable of microswitch component, work effectively.
Description
Technical field
The utility model relates to electric actuator technical field, and more particularly, it relates to a kind of microswitch component for electric actuator.
Background technique
Electric actuator, it is electric actuator, it is a kind of drive unit that straight line can be provided or rotatablely move, it utilizes certain driving source and works under certain control signal effect, actuator is used liquid, gas, electric power or other energy also pass through motor, cylinder or other device convert it into driving effect, for valve being urged to the position of standard-sized sheet or complete shut-down, but also the actuator that is useful on control valve can make valve go to any position accurately, although most of actuator is all for switch valve, but the design of actuator of today is far beyond simple switching function, they have comprised position induction device, moment induction installation, electrode protecting device, logic control device, digital communication module and pid control module etc., and these devices are all arranged in a compact shell, electric actuator is generally comprised of power unit and position locator two large divisions.Wherein power unit is mainly comprised of motor, retarder, moment stroke limiting stop, switch control box, handwheel and mechanical stop limiter and electric pneumatic converter etc.
Wherein, moment stroke limiting stop is a standard block being arranged in retarder, by crossing moment protection mechanism, range controlling mechanism, the composition such as position transducer and tenminal block, and range controlling mechanism is comprised of cam set and sensitive switch, this cam set fills Yin by gear reduction, be connected with retarder transmission shaft, by adjusting, just acting on respectively, opposite direction sensitive switch, namely the position of the lobe plate of lead limit switch can limit the stroke of actuator, but because being controls sensitive switch by cam set to move, can be due to the rotation of cam characteristic partially gradually, making sensitive switch is slowly resilience gradually, easily cause the switch point of contact of sensitive switch to cling, cannot disconnect, there is disabler.
At present, application number on market is the stroke detection assembly that 201220399736.7 Chinese patent discloses a kind of electric actuator, comprise full stroke switch, full stroke feedback switch, idle stroke switch, idle stroke feedback switch and limit convex wheels, it is characterized in that: all cams of limit convex wheels are slidingly connected at the projecting end of worm-wheel shaft, the projecting end of worm-wheel shaft is provided with outside thread and is connected with and tightens up nut, under the effect that screws that tightens up nut, all cams of limit convex wheels are fixed on worm-wheel shaft.
Although the utlity model has simple in structure, advantage easy to adjust, but between limit convex wheels and position limit switch group, be that direct Contact Transmission regulates, easily because the rotation of cam is the characteristic being offset gradually along curve, make the slowly resilience gradually of stroke sensitive switch, cause the switch contact head of sensitive switch to cling in energising situation, cannot disconnect, occur the problem that body function lost efficacy.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of pressure release mechanism that arranges on sensitive switch, guarantee the validity of stroke sensitive switch reset resilience, and then guarantee the microswitch component for electric actuator of electric actuator function-stable.
For achieving the above object, the utility model provides following technological scheme: a kind of microswitch component for electric actuator, comprise sensitive switch and limit cam, described sensitive switch is connected with described limit cam and is all arranged in the shell of electric actuator, described sensitive switch comprises housing, button, driving handle, pin, described button is arranged on described housing and with described driving handle and is connected, wherein, the exterior arc surface of described limit cam is connected with described driving handle, on described sensitive switch, be provided with pressure release mechanism, described pressure release mechanism comprises button pressure resilient structures and contact pressure disrupted configuration.
Compared with prior art, the utility model has the advantage of: the microswitch component by electric actuator is set to sensitive switch and limit cam, and sensitive switch is connected with limit cam and is all arranged in the shell of electric actuator, realization can be stablized and effectively be controlled sensitive switch by the curvilinear motion of limit cam, and limit cam also has compact structure, reliability is high, can realize high-speed automated, improve mechanism's advantage in working life, sensitive switch is realized and is controlled function by button and driving handle, increased command range, the installation needs of microswitch component have been met, facilitated and limit cam between connection for transmission, and the exterior arc surface of limit cam is connected with driving handle, make the regulatory function between sensitive switch and limit cam more stable effectively, button is set on sensitive switch forces resilient structures and contact to force disrupted configuration, can guarantee the validity of sensitive switch reset resilience, accomplish can because of the rotation of limit cam, not to be the characteristic being offset gradually along curve, make the slowly resilience gradually of stroke sensitive switch, cause the switch contact head of sensitive switch to cling in energising situation, cannot disconnect, there is the problem that body function lost efficacy.
The utility model is further set to: described button forces resilient structures be set to offer groove and offer groove on described driving handle on the push-piece stem of described button, the size of described groove and described groove is adaptive, and described button and described driving handle are by described groove and described groove clamping.
Compared with prior art, the utility model has the advantage of: by offering groove and offer groove on driving handle on the push-piece stem of button, the size of groove and groove is adaptive, the button that button and driving handle form by groove and groove clamping is forced resilient structures, can guarantee that sensitive switch is in course of action, realize button along with driving handle moves up and down and moves, can not cling and be stuck on sensitive switch because of sensitive switch inside contact, affect the adjusting control function of sensitive switch, cause the disabler of whole sensitive switch.
The utility model is further set to: in described housing, be also provided with moving contact, one end of described moving contact is connected with one end that described pin is arranged in housing, described contact forces disrupted configuration to be set to lever crochet hook, one end of described lever crochet hook is fixed on the underpart that described button is arranged in described housing, and the other end clasp joint of described lever crochet hook is on described moving contact.
Compared with prior art, the utility model has the advantage of: by moving contact being set in the housing of sensitive switch, one end of moving contact is connected with one end that pin is arranged in housing, realize the function needs that connect or disconnect of sensitive switch, and contact forces disrupted configuration to be set to lever crochet hook, one end of lever crochet hook is fixed on the underpart that button is arranged in housing, the other end clasp joint of lever crochet hook is on described moving contact, realization is when sensitive switch resets, if being arranged in one end of housing, generation moving contact and pin cling, while affecting mechanism's usability, can be at button along with driving handle moves up in process, utilize lever crochet hook along with button is done upper mobile work together, drive and move up with the moving contact of lever crochet hook phase clasp joint, realize with pin and force to disconnect, thereby guarantee the stable validity that sensitive switch uses.
The utility model is further set to: the exterior arc surface of described limit cam is provided with magnetic switch contact, conflicts and be connected away from the end of described housing with described driving handle in described magnetic switch contact.
Compared with prior art, the utility model has the advantage of: by the exterior arc surface at limit cam, be provided with magnetic switch contact, conflict and be connected away from the end of housing with driving handle in magnetic switch contact, realizing limit cam can effectively contact with sensitive switch in rotation process, simultaneously in detach procedure, drive driving handle moves, and makes driving handle drive on button and move smoothly, guarantees that the function-stable of sensitive switch is effective.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the partial schematic sectional view of the microswitch component of electric actuator;
Fig. 2 is that the utility model is for the microswitch component embodiment sensitive switch of electric actuator and the structural representation of limit cam separated state;
Fig. 3 is that the utility model is for the microswitch component embodiment sensitive switch of electric actuator and the structural representation of limit cam coupled condition;
Fig. 4 is that the utility model is for the structural representation of the microswitch component embodiment sensitive switch of electric actuator.
Reference character: 1, sensitive switch; 1.1, housing; 1.2, button; 1.21, groove; 1.3, driving handle; 1.31, groove; 1.4, pin; 1.5, moving contact; 1.6, lever crochet hook; 2, limit cam; 2.1, exterior arc surface; 2.11, magnetic switch contact; 3, the shell of electric actuator.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 4, the embodiment of a kind of microswitch component for electric actuator of the utility model is described further.
A kind of microswitch component for electric actuator, comprise at least one sensitive switch 1 and at least one limit cam 2, sensitive switch 1 is connected with limit cam 2 and is all arranged in the shell 3 of electric actuator, sensitive switch 1 comprises housing 1.1, button 1.2, driving handle 1.3, pin 1.4, button 1.4 is arranged on housing 1.1 and with driving handle 1.3 and is connected, wherein when sensitive switch and limit cam separated state, exterior arc surface 2.1 and driving handle 1.3 virtual connections of limit cam 2, on sensitive switch 1, be provided with pressure release mechanism, force release mechanism to comprise button pressure resilient structures and contact pressure disrupted configuration, button forces resilient structures be set to offer groove 1.31 and on the push-piece stem of button 1.2, offer groove 1.21 on driving handle 1.3, groove 1.31 is adaptive with the size of groove 1.21, button 1.2 and driving handle 1.3 are by groove 1.31 and groove 1.21 clampings, in housing 1.1, be also provided with moving contact 1.5, one end of moving contact 1.5 and pin 1.4 are arranged in one end virtual connections of housing 1.1, contact forces disrupted configuration to be set to lever crochet hook 1.6, one end of lever crochet hook 1.6 is fixed on the underpart that button 1.2 is arranged in housing 1.1, the other end clasp joint of lever crochet hook 1.6 is on moving contact 1.5.
With reference to Fig. 1, Fig. 3 and Fig. 4, another embodiment of a kind of microswitch component for electric actuator of the utility model is described further.
Wherein when sensitive switch and limit cam coupled condition, the exterior arc surface 2.1 of limit cam 2 is connected with driving handle 1.3, on sensitive switch 1, be provided with pressure release mechanism, force release mechanism to comprise button pressure resilient structures and contact pressure disrupted configuration, button forces resilient structures be set to offer groove 1.31 and on the push-piece stem of button 1.2, offer groove 1.21 on driving handle 1.3, groove 1.31 is adaptive with the size of groove 1.21, button 1.2 and driving handle 1.3 are by groove 1.31 and groove 1.21 clampings, in housing 1.1, be also provided with moving contact 1.5, one end of moving contact 1.5 is connected with one end that pin 1.4 is arranged in housing 1.1, contact forces disrupted configuration to be set to lever crochet hook 1.6, one end of lever crochet hook 1.6 is fixed on the underpart that button 1.2 is arranged in housing 1.1, the other end clasp joint of lever crochet hook 1.6 is on moving contact 1.5, on the exterior arc surface 2.1 of limit cam 2, be provided with magnetic switch contact 2.11, conflict and be connected away from the end of housing 1.1 with driving handle 1.3 in magnetic switch contact 2.11.
Utilize and force release mechanism, make the process of stroke sensitive switch active homing resilience be: when sensitive switch 1 and the rotation of limit cam 2 along with limit cam 2, while becoming separated state from coupled condition, on the exterior arc surface 2.1 of limit cam 2, be provided with magnetic switch contact 2.11 from departing from the end conflict coupled condition of driving handle 1.3 away from housing 1.1, drive on driving handle 1.3 and move, because driving handle 1.3 is mutual clampings with button 1.2, button 1.2 moves on understanding along with moving on driving handle 1.3, and then move on the lever crochet hook 1.6 that is fixedly connected with button 1.2 of drive, lever crochet hook 1.6 clasp joints are on moving contact 1.5, on lever crochet hook 1.6, move past in journey, can realize the contact pressure of state of one end that moving contact 1.5 and pin 1.4 be arranged in housing 1.1 disconnects, can not be stuck because of contact, cannot separate, and affect the usability of sensitive switch, by forcing release mechanism, guarantee that sensitive switch is when contact is stuck or be not stuck, all can active homing resilience, can not have influence on the functional stabilization of sensitive switch, thereby guarantee electric actuator function-stable, lastingly.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the microswitch component for electric actuator, comprise sensitive switch and limit cam, described sensitive switch is connected with described limit cam and is all arranged in the shell of electric actuator, described sensitive switch comprises housing, button, driving handle, pin, described button is arranged on described housing and with described driving handle and is connected, it is characterized in that: the exterior arc surface of described limit cam is connected with described driving handle, on described sensitive switch, be provided with pressure release mechanism, described pressure release mechanism comprises button pressure resilient structures and contact pressure disrupted configuration.
2. the microswitch component for electric actuator according to claim 1, it is characterized in that: described button forces resilient structures be set to offer groove and offer groove on described driving handle on the push-piece stem of described button, the size of described groove and described groove is adaptive.
3. the microswitch component for electric actuator according to claim 2, is characterized in that: described button and described driving handle are by described groove and described groove clamping.
4. according to the microswitch component for electric actuator described in claim 1 or 3, it is characterized in that: in described housing, be also provided with moving contact, one end of described moving contact is connected with one end that described pin is arranged in housing, described contact forces disrupted configuration to be set to lever crochet hook, one end of described lever crochet hook is fixed on the underpart that described button is arranged in described housing, and the other end clasp joint of described lever crochet hook is on described moving contact.
5. the microswitch component for electric actuator according to claim 4, it is characterized in that: on the exterior arc surface of described limit cam, being provided with magnetic switch contact, conflicts and be connected away from the end of described housing with described driving handle in described magnetic switch contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405548.XU CN203979574U (en) | 2014-07-22 | 2014-07-22 | A kind of microswitch component for electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405548.XU CN203979574U (en) | 2014-07-22 | 2014-07-22 | A kind of microswitch component for electric actuator |
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| Publication Number | Publication Date |
|---|---|
| CN203979574U true CN203979574U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405548.XU Expired - Fee Related CN203979574U (en) | 2014-07-22 | 2014-07-22 | A kind of microswitch component for electric actuator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433028A (en) * | 2017-04-11 | 2017-12-05 | 广州佶兔工业设计有限公司 | One kind is used for equipment of climbing rocks |
| CN107433027A (en) * | 2017-04-11 | 2017-12-05 | 广州佶兔工业设计有限公司 | A kind of safe rock-climbing equipment |
| CN109296808A (en) * | 2018-10-31 | 2019-02-01 | 超达阀门集团股份有限公司 | A kind of adjustable two-part atmospheric control of any opening degree |
| CN109411252A (en) * | 2017-08-15 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Switch block, retarder and clothes treatment device with the switch block |
-
2014
- 2014-07-22 CN CN201420405548.XU patent/CN203979574U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433028A (en) * | 2017-04-11 | 2017-12-05 | 广州佶兔工业设计有限公司 | One kind is used for equipment of climbing rocks |
| CN107433027A (en) * | 2017-04-11 | 2017-12-05 | 广州佶兔工业设计有限公司 | A kind of safe rock-climbing equipment |
| CN109411252A (en) * | 2017-08-15 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Switch block, retarder and clothes treatment device with the switch block |
| CN109411252B (en) * | 2017-08-15 | 2022-06-24 | 青岛海尔洗涤电器有限公司 | Switch assembly, decelerator with switch assembly and clothes treatment equipment |
| CN109296808A (en) * | 2018-10-31 | 2019-02-01 | 超达阀门集团股份有限公司 | A kind of adjustable two-part atmospheric control of any opening degree |
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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: 20141203 |