CN202502914U - Travel switch capable of indicating motion state of device - Google Patents
Travel switch capable of indicating motion state of device Download PDFInfo
- Publication number
- CN202502914U CN202502914U CN201220119385XU CN201220119385U CN202502914U CN 202502914 U CN202502914 U CN 202502914U CN 201220119385X U CN201220119385X U CN 201220119385XU CN 201220119385 U CN201220119385 U CN 201220119385U CN 202502914 U CN202502914 U CN 202502914U
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- CN
- China
- Prior art keywords
- travel switch
- switch
- fan
- pinch roller
- rotating shaft
- 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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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Switches With Compound Operations (AREA)
Abstract
Disclosed is a travel switch capable of indicating the motion state of a device. The travel switch comprises a scroll wheel, a rotating arm and a rotating shaft, wherein the scroll wheel is connected with the rotating shaft through the rotating arm, a first fan-shaped pinch roller and a second fan-shaped pinch roller are fixed on the rotating shaft, and a first button switch and a second button switch respectively corresponding to the first fan-shaped pinch roller and first second fan-shaped pinch roller are arranged at the lower side of the rotating shaft. In the utility model, the triggering principle of the travel switch is changed, after mechanical contact between a position block and the travel switch occurs, mechanical movement capable of distinguishing the motion direction of the device is delivered to a moving contact of an internal switch of the travel switch to enable a switch associated with the motion direction of the device to be opened or closed so that electrical signals can be transmitted out. When the block triggers the travel switch from one direction, one button switch in the travel switch is triggered, and the switching value signal is transmitted to a control system, and when the block triggers the travel switch from the other direction, the other button switch in the travel switch is triggered, and the switching value signal is transmitted to the control system, thus achieving the purpose of distinguishing the motion directions of the block.
Description
Technical field
But the utility model relates to a kind of travel switch of the indicating equipment direction of motion, can transmit the signal of equipment moving direction to control system, belongs to the Electrical Control Technology field.
Background technology
Travel switch is mainly used in the position of inspected object, the more mobile devices such as hoisting machinery, lathe etc. that are applied to.Its principle is: after position link stopper and travel switch generation Mechanical Contact, through machine driving, location variation is delivered on the moving contact of travel switch internal switch, switch is broken off or closure, thereby electric signal is passed.
The travel switch that generally uses at present can only detect the direction of motion that whether arrives the target location and can not inspected object, and mostly the angle that triggers and the path increment of triggering be fixed, and the use of travel switch is caused restriction.If the direction of motion that travel switch can inspected object, and can regulate the angle and the path increment of triggering easily, then can let it be applied to more easily in electrical interlocks protection, the position control system.But yet the present travel switch that does not also have this indicating equipment motion state.
The utility model content
The purpose of the utility model is: to the problem of above-mentioned prior art existence, but the travel switch of a kind of indicating equipment motion state of proposition.
In order to reach above purpose; But the travel switch of a kind of indicating equipment motion state of the utility model; It is characterized in that: form and comprise that roller, turning arm, rotating shaft, said roller are connected with rotating shaft through turning arm; Be fixed with first, second fan-shaped pinch roller in the said rotating shaft, rotating shaft below is provided with respectively and first, second corresponding push-button switch of said first, second fan-shaped pinch roller, when travel switch is not triggered; The first fan-shaped pinch roller is positioned at the left side of the button of first push-button switch, and the second fan-shaped pinch roller is positioned at the right side of the button of second push-button switch.
The trigger theory of the utility model change travel switch; After position link stopper and travel switch generation Mechanical Contact; Pass through machine driving; The mechanical type amount of movement that can distinguish the equipment moving direction is delivered on the moving contact of travel switch internal switch, the switch of the associate device direction of motion is broken off or closure, thereby electric signal is passed.When link stopper when direction triggers travel switch, a push-button switch in the travel switch is touched, and sends this switching value signal to control system; When link stopper when another direction triggers travel switch; Another push-button switch in the travel switch is touched; Send this switching value signal to control system, thereby realized distinguishing the purpose of the link stopper direction of motion, through this principle can indicating equipment motion state.
Trigger angle and triggering stroke for the ease of the adjustment stroke switch; The utility model further improves and is: the composition of first, second fan-shaped pinch roller comprises the interior ring that has internal gear, be fixed in some detachable compressing tablet on the ring cylindrical, said rotating shaft perisporium has the external gear that is meshed with the internal gear of interior ring.
Pinch roller and rotating shaft install and fix through the internal gear of interior ring, external gear engagement in the rotating shaft, and the angle of puck activated can change through the position of engagement of adjustment internal gear, external gear, and the precision of adjustment depends on the number of teeth of internal gear, external gear.And, therefore can trigger angle be set for single switch owing to be the corresponding one group of inside and outside gear of a switch.And the pinch roller mode that sheet installs of adopt loosing is installed on the external gear of rotating shaft, can confirm that needs install the quantity of detachable compressing tablet according to triggering length.
Further, but the travel switch of the utility model indicating equipment motion state also includes the binding post that is electrically connected with first, second push-button switch.
Further again, but in the travel switch of the utility model indicating equipment motion state, said rotating shaft, the first fan-shaped pinch roller, the second fan-shaped pinch roller, first push-button switch, second push-button switch, binding post are arranged in the switch housing.
The utility model is compared with existing travel switch, advantage be can target device the direction of motion, regulate trigger angle and path increment easily as required, make its range of application with wide, convenient Application and Development of participating in multiple electric control system.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
But Fig. 1 is the structural representation of the travel switch of this indicating equipment motion state.
Fig. 2 is the first fan-shaped pressure roller structure sketch map of this stroke switch.
Embodiment
As shown in Figure 1; But the travel switch of the indicating equipment motion state of present embodiment; Form and comprise that switch housing 3, roller 1, turning arm 2, rotating shaft 10, roller 1 are connected with rotating shaft 3 through turning arm 2; Be fixed with first fan-shaped pinch roller 5, the second fan-shaped pinch roller 4 in the rotating shaft 3, rotating shaft 3 belows are provided with respectively corresponding with the fan-shaped pinch roller of the said first fan-shaped pinch roller 5, second 4 first push-button switch 7, second push-button switch 6, when travel switch is not triggered; The first fan-shaped pinch roller 5 is positioned at the left side of the button 71 of first push-button switch 7, and the second fan-shaped pinch roller 4 is positioned at the right side of the button 61 of second push-button switch 6.The fan-shaped pinch roller of the fan-shaped pinch roller of rotating shaft as shown in Figure 1 10, first 5, second 4, first push-button switch 7, second push-button switch 6, be arranged in the switch housing 3, also be provided with the binding post 8 that is electrically connected with first push-button switch 7, second push-button switch 6 in the switch housing 3.Among Fig. 1,9 is block.
Two fan-shaped pinch rollers are installed in the other end of turning arm along the rotating shaft symmetry of turning arm, and the complimentary surface of two fan-shaped pinch rollers contacts with two shift knobs respectively.Every switch all is with secondary normal a battle and a secondary normally closed point, to satisfy the different needs of electric control system.
Being example with the first fan-shaped pinch roller below describes (the second fan-shaped pinch roller is identical with the structure of the first fan-shaped pinch roller) to the structure of fan-shaped pinch roller; As shown in Figure 2; Some detachable compressing tablet 52 in the first fan-shaped pinch roller is formed and comprised the interior ring 51 that has internal gear, is fixed on ring 51 cylindricals, rotating shaft 10 perisporiums have the external gear that is meshed with the internal gear of interior ring.The internal gear of interior ring and the external gear of rotating shaft are meshing with each other, and can pull down the interior ring that is meshed with the rotating shaft external gear along rotor shaft direction, thereby can adjust trigger angle along ring in the rotation of rotating shaft diameter of axle direction.On the ring cylindrical, can change through increase and decrease compressing tablet number as required and trigger length in detachable compressing tablet is installed in.
When the target link stopper triggers travel switch along a direction; Roller is moved; Through turning arm mechanical displacement is passed to fan-shaped pinch roller, the covering of the fan of two pinch rollers produces the rotation around the rotating shaft center of circle, wherein the covering of the fan of a pinch roller be pressed onto to the button on the inductive switch; On off state changes, thereby electric signal is passed; When the target link stopper when another direction triggers travel switch; Roller is moved; Through turning arm mechanical displacement is passed to fan-shaped pinch roller, the covering of the fan of two pinch rollers produces the rotation around the rotating shaft center of circle, the covering of the fan of another pinch roller be pressed onto to the button on the inductive switch; On off state changes, thereby electric signal is passed.Link stopper through the different motion direction triggers different switches, thereby can electric signal that represent the different motion direction be distinguished, and carries out electrical control.
Also can be through changing trigger angle and the mode that triggers stroke, the said travel switch of present embodiment is transformed to have opens one two battles, one and close or the general function travel switch of two close points.
Except that the foregoing description, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (4)
1. but the travel switch of an indicating equipment motion state; It is characterized in that: form and comprise that roller, turning arm, rotating shaft, said roller are connected with rotating shaft through turning arm; Be fixed with first, second fan-shaped pinch roller in the said rotating shaft; Rotating shaft below is provided with respectively and first, second corresponding push-button switch of said first, second fan-shaped pinch roller; When travel switch was not triggered, the first fan-shaped pinch roller was positioned at the left side of the button of first push-button switch, and the second fan-shaped pinch roller is positioned at the right side of the button of second push-button switch.
2. but according to the travel switch of the said indicating equipment motion state of claim 1; It is characterized in that: the composition of said first, second fan-shaped pinch roller comprises the interior ring that has internal gear, be fixed in some detachable compressing tablet on the ring cylindrical, said rotating shaft perisporium has the external gear that is meshed with the internal gear of interior ring.
3. but according to the travel switch of the said indicating equipment motion state of claim 2, it is characterized in that: also include the binding post that is electrically connected with first, second push-button switch.
4. but according to the travel switch of the said indicating equipment motion state of claim 3, it is characterized in that: said rotating shaft, the first fan-shaped pinch roller, the second fan-shaped pinch roller, first push-button switch, second push-button switch, binding post are arranged in the switch housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220119385XU CN202502914U (en) | 2012-03-27 | 2012-03-27 | Travel switch capable of indicating motion state of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220119385XU CN202502914U (en) | 2012-03-27 | 2012-03-27 | Travel switch capable of indicating motion state of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502914U true CN202502914U (en) | 2012-10-24 |
Family
ID=47039522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220119385XU Expired - Fee Related CN202502914U (en) | 2012-03-27 | 2012-03-27 | Travel switch capable of indicating motion state of device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202502914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076276A (en) * | 2014-06-30 | 2014-10-01 | 苏州固基电子科技有限公司 | Device for detecting rolling wheel type microswitch |
| CN105478029A (en) * | 2016-01-06 | 2016-04-13 | 成都三可实业有限公司 | Detection switch for stirrer |
| CN106449238A (en) * | 2016-11-16 | 2017-02-22 | 国家电网公司 | Permanent magnet mechanism running-in device |
| CN111562765A (en) * | 2020-06-18 | 2020-08-21 | 广东电网有限责任公司 | Remote control gear shifting device for voltage regulating switch of transformer |
-
2012
- 2012-03-27 CN CN201220119385XU patent/CN202502914U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076276A (en) * | 2014-06-30 | 2014-10-01 | 苏州固基电子科技有限公司 | Device for detecting rolling wheel type microswitch |
| CN104076276B (en) * | 2014-06-30 | 2016-08-24 | 苏州固基电子科技有限公司 | A kind of device detecting roller type microswitch |
| CN105478029A (en) * | 2016-01-06 | 2016-04-13 | 成都三可实业有限公司 | Detection switch for stirrer |
| CN106449238A (en) * | 2016-11-16 | 2017-02-22 | 国家电网公司 | Permanent magnet mechanism running-in device |
| CN111562765A (en) * | 2020-06-18 | 2020-08-21 | 广东电网有限责任公司 | Remote control gear shifting device for voltage regulating switch of transformer |
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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: 20121024 Termination date: 20200327 |