CN201319144Y - Electric pusher stroke limiting device - Google Patents
Electric pusher stroke limiting device Download PDFInfo
- Publication number
- CN201319144Y CN201319144Y CNU2008201806227U CN200820180622U CN201319144Y CN 201319144 Y CN201319144 Y CN 201319144Y CN U2008201806227 U CNU2008201806227 U CN U2008201806227U CN 200820180622 U CN200820180622 U CN 200820180622U CN 201319144 Y CN201319144 Y CN 201319144Y
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- fixed
- stroke
- control
- electric pushrod
- screw mandrel
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Abstract
The utility model relates to an electric pusher stroke limiting device, which belongs to the technical field of device for changing rotary motion into straight reciprocating motion. The electric pusher stroke limiting device is provided with a control box and a circuit board which is fixed on the control box through a mounting plate, wherein the two ends of a stroke control lead screw are arranged inside the control box through bearings, a synchronous pulley is connected with the stroke control lead screw through a pin in a driving way, and the synchronous belt of the synchronous pulley is connected with a power source in a driving way; a limiting nut is respectively arranged on the two end sides of the stroke control lead screw, two follow-up nuts are arranged between the two limiting nuts, a fixed ring is fixed on each follow-up nuts, and a connecting shift lever is fixed on the fixed ring; two microswitches are installed on the mounting plate of the control box in the opposite direction, one of the two elastic shift pieces is fixed on the mounting plate, the other end thereof is propped against a microswitch contact, and the shift levers on the two fixed rings are positioned between the two elastic shift pieces. The electric pusher stroke limiting device is used for the rapid control stroke switch inside the electric pusher, and has high working reliability and long service life.
Description
Technical field
The utility model relates to a kind of will rotatablely moving and changes into the device of straight reciprocating motion, particularly a kind of electric pushrod travel control device.
Background technology
Electric pushrod is widely used in every field, generally is that rotation by motor drives gear train and drives execution unit and do straight reciprocating motion, has simple in structure, compact, advantages such as transmission efficiency is high, reliable in action.According to the needs that push rod is executed the task, set push rod impulse stroke length, the control of its impulse stroke length is to adopt travel switch, the time relay or stepper motor accurately to locate usually.At present; the range controlling mechanism of electric pushrod has inside and outside two kinds of mechanisms; internal mechanism to be to use two travel switches to carry out terminal spacing; general travel switch control gear position can not be regulated; the minority control gear is under situation about can regulate, because the actuation element movement velocity is very slow, circuit is disconnected; transfer bar mechanism causes travel switch sparking and damages, so that can't normally be moved.
The utility model content
In order to solve the technological deficiency that prior art exists, the purpose of this utility model is to provide a kind of electric pushrod distance caging device, it can moment disconnecting circuit, the reliability height, long service life, working stability can be controlled the stroke of the big distance of push rod with the displacement of control element small distance.
To achieve these goals, the technical solution of the utility model is:
A kind of electric pushrod distance caging device, has a control enclosure, circuit board is fixed on the control enclosure by installing plate, wherein: Stroke Control screw mandrel two ends are installed in the control enclosure by bearing, synchronous pulley is by the pin Stroke Control screw mandrel that is in transmission connection, and the synchronous band and the power source of synchronous pulley are in transmission connection; Stroke Control screw mandrel both end sides respectively has a stop nut, and two following nuts are set between two stop nuts, fixes a set collar on each following nut, and driving lever is fixed on the set collar; Oppositely install two microswitches on the installing plate of control enclosure, oppositely two elastic plectrums, one end of installing is fixed on the installing plate, and other end pushing tow is in a microswitch contact, and the driving lever on two set collars is between two elastic plectrums.
Driving lever is fixed on the set collar by the screw on the set collar.
Set collar has the screw of a plurality of fixedly driving levers.
The water joint that lead passes on the control enclosure is electrically connected with circuit board.
Stop nut is fixed on the Stroke Control screw mandrel by holding screw.
Because after adopting such scheme, the utility model in use, control gear is installed in the electric pushrod internal body, control element is controlled the stroke of the big distance of push rod with the displacement of small distance.When arriving the precalculated position, touch travel switch fast, avoid the travel switch sparking, protected travel switch to be unlikely to damage, increase the service life, electric pushrod reliable operation performance is improved.
Description of drawings
Fig. 1 is the utility model electric pushrod distance caging device vertical view;
Fig. 2 is the A-A cut-open view of the utility model electric pushrod distance caging device Fig. 1.
Label in the accompanying drawing:
1. control enclosure, 2. synchronous pulley, 3. pin, 4. band, 5. Stroke Control screw mandrel, 6. bearing synchronously, 7. installing plate, 8. microswitch, 9. circuit board, 10. water joint, 11. driving levers, 12. stop nut, 13. following nuts, 14. set collars, 15. holding screws, 16. elastic plectrums.
Embodiment
Be further described below in conjunction with the embodiment of Figure of description the utility model electric pushrod distance caging device.
See Fig. 1, shown in Figure 2, a kind of electric pushrod distance caging device of the utility model, has a control enclosure 1, circuit board 9 is fixed on the control enclosure 1 by installing plate 7, the water joint 10 that lead passes on the control enclosure 1 is electrically connected with circuit board 9, be electric pushrod distance caging device input and output electric control signal, with the motor operation of control electric pushrod or stop.Stroke Control screw mandrel 5 two ends are installed in the control enclosure 1 by bearing 6, Stroke Control screw mandrel 5 is rotated flexibly, promote the measure of precision of electric pushrod distance caging device operation, one end of Stroke Control screw mandrel 5 is fixed a pin 3, be with a synchronous belt wheel 2 in this position, synchronous pulley 2 is by the pin 3 Stroke Control screw mandrel 5 that is in transmission connection, be with 4 synchronous pulley 2 and power source be in transmission connection synchronously, the torque that the power source transmission is come is transferred to Stroke Control screw mandrel 5 accurately, can accurately carry out the Stroke Control action.
The working portion of Stroke Control screw mandrel 5 respectively has a stop nut 12 by both end sides, stop nut 12 is fixed on the Stroke Control screw mandrel 5 by holding screw 15, as the exercise end of following nut in the range controlling mechanism 13, also play just in case the safety effect of action element when out of control.Two following nuts 13 are set between two stop nuts 12, following nut 13 can move on Stroke Control screw mandrel 5 by the screw thread of its endoporus, fix a set collar 14 on each following nut 13, driving lever 11 is fixed on the set collar 14, driving lever 11 can be fixed on by the screw on the set collar 14 on the set collar 14, also can fix by other mechanical connection manners, need only fixation and be convenient to and adjust, set collar 14 can have the screw of a plurality of fixedly driving levers 11.Oppositely respectively install a microswitch 8 in Stroke Control screw mandrel 5 both end sides on the installing plate 7 of control enclosure 1, corresponding microswitch 8 oppositely two elastic plectrums, 16 1 ends of installing is fixed on the installing plate 7, other end pushing tow is in a microswitch 8 contacts, and the driving lever 11 on two set collars 14 is between two elastic plectrums 16.
In use, be with 4 to drive synchronous pulley 2 rotations synchronously, rotate by pin 3 and then drive Stroke Control screw mandrel 5, because driving lever 11 is between two elastic plectrums 16, driving lever 11 is again and set collar 14, following nut 13 fixes, restriction following nut 13 can not rotate with Stroke Control screw mandrel 5, when Stroke Control screw mandrel 5 rotates, following nut 13 can only follow process control screw mandrel 5 and move, 11 of driving levers on it are attached to corresponding elastic plectrum 16 in company with moving, when moving to predeterminated position, driving lever 16 is stirred elastic plectrum 16, make the contact of the end disengagement microswitch 8 of elastic plectrum 16, make microswitch 8 disconnecting circuits, the motor of control push rod stops, same when the motor antiport, the driving lever 11 of opposite side moves to other direction, the driving lever 11 of opposite side carries out same action, make another microswitch disconnecting circuit, motor is shut down, so just make motor in the interval Be Controlled operation of following nut 13 movings range, push rod can and be stopped in default interval motion, finish Stroke Control to push rod, elastic plectrum 16 can moment disconnecting circuit, do not make microswitch 8 sparkings, prolong the serviceable life of microswitch 8, make stroke limit mechanism reliability height, working stability.Because stop nut 12 can be adjusted at position on the Stroke Control screw mandrel 5 by holding screw 15, and have a plurality of screws on the set collar on the following nut 13 14, can finely tune the position of driving lever 11 on set collar 14, can Stroke Control be required to adjust flexibly according to the needs of push rod traffic coverage, can control the stroke of the big distance of push rod with the displacement of control element small distance.The utility model electric pushrod distance caging device can overcome the technological deficiency that prior art exists, the good goal of the invention of finishing the application by its unique design.
Claims (5)
1, a kind of electric pushrod distance caging device has a control enclosure, and circuit board is fixed on the control enclosure by installing plate, it is characterized in that:
Stroke Control screw mandrel two ends are installed in the control enclosure by bearing, and synchronous pulley is by the pin Stroke Control screw mandrel that is in transmission connection, and the synchronous band and the power source of synchronous pulley are in transmission connection;
Stroke Control screw mandrel both end sides respectively has a stop nut, and two following nuts are set between two stop nuts, fixes a set collar on each following nut, and driving lever is fixed on the set collar;
Oppositely install two microswitches on the installing plate of control enclosure, oppositely two elastic plectrums, one end of installing is fixed on the installing plate, and other end pushing tow is in a microswitch contact, and the driving lever on two set collars is between two elastic plectrums.
2, electric pushrod distance caging device according to claim 1, it is characterized in that: driving lever is fixed on the set collar by the screw on the set collar.
3, electric pushrod distance caging device according to claim 2, it is characterized in that: set collar has the screw of a plurality of fixedly driving levers.
4, electric pushrod distance caging device according to claim 1 is characterized in that: the water joint that lead passes on the control enclosure is electrically connected with circuit board.
5, electric pushrod distance caging device according to claim 1, it is characterized in that: stop nut is fixed on the Stroke Control screw mandrel by holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201806227U CN201319144Y (en) | 2008-12-04 | 2008-12-04 | Electric pusher stroke limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201806227U CN201319144Y (en) | 2008-12-04 | 2008-12-04 | Electric pusher stroke limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319144Y true CN201319144Y (en) | 2009-09-30 |
Family
ID=41197906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201806227U Expired - Fee Related CN201319144Y (en) | 2008-12-04 | 2008-12-04 | Electric pusher stroke limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319144Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740245A (en) * | 2017-03-23 | 2017-05-31 | 北京畅的科技开发有限公司 | A kind of automobile charging pile for being easy to regulation, method and application |
-
2008
- 2008-12-04 CN CNU2008201806227U patent/CN201319144Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740245A (en) * | 2017-03-23 | 2017-05-31 | 北京畅的科技开发有限公司 | A kind of automobile charging pile for being easy to regulation, method and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING FENGLONG GREENHOUSE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING FENGLONG TECHNOLOGY CO., LTD. Effective date: 20100506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100081 WEST SECTION, 2/F, TECHNOLOGY BUILDING, ZHONGZUO INSTITUTE, THE CHINESE ACADEMY OF AGRICULTURAL SCIENCES, NO.12,ZHONGGUANCUN SOUTH STREET, HAIDIAN DISTRICT, BEIJING CITY TO: 100081 MAILBOX 127, NO.12,ZHONGGUANCUN SOUTH STREET, HAIDIAN DISTRICT, BEIJING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100506 Address after: 100081 box 12, 127 South Street, Beijing, Haidian District, Zhongguancun Patentee after: Beijing Fenglong Greenhouse Technology Co., Ltd. Address before: 100081 west section of the 2 floor of the science and technology building, Chinese Academy of Agricultural Sciences, 12 South Avenue, Beijing, Zhongguancun, Haidian District Patentee before: Beijing Fenglong Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING DONGDUXINGYE GARDENING FACILITY CO., LTD. Free format text: FORMER OWNER: BEIJING FENGLONG GREENHOUSE TECHNOLOGY CO., LTD. Effective date: 20111124 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111124 Address after: 100081 Beijing, Zhongguancun, South Street, No. 12, No. Patentee after: Beijing Dongduxingye Gardening Facility Co., Ltd. Address before: 100081 box 12, 127 South Street, Beijing, Haidian District, Zhongguancun Patentee before: Beijing Fenglong Greenhouse Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20171204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |