CN201805312U - Locked rotation preventive clutch device of motor - Google Patents
Locked rotation preventive clutch device of motor Download PDFInfo
- Publication number
- CN201805312U CN201805312U CN2010205155203U CN201020515520U CN201805312U CN 201805312 U CN201805312 U CN 201805312U CN 2010205155203 U CN2010205155203 U CN 2010205155203U CN 201020515520 U CN201020515520 U CN 201020515520U CN 201805312 U CN201805312 U CN 201805312U
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- CN
- China
- Prior art keywords
- motor
- driving gear
- groove
- boss
- axle
- 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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- Transmission Devices (AREA)
Abstract
The utility model discloses a locked rotation preventive clutch device of a motor, which comprises a motor extension shaft mounted on an output shaft of the motor. A shaft shoulder is arranged at one end of the motor extension shaft, a driving gear is sleeved on the motor extension shaft in an idling manner, a groove is disposed on a shaft shoulder, the driving gear is provided with a boss matching with the groove, both the boss and the groove are provided with chamfers, a pressing nut is fixed to the other end of the motor extension shaft, a spring is disposed between the pressing nut and the driving gear, and the driving gear and a driven gear form a gear transmission pair. When in normal operation, the boss on the driving gear is embedded in the groove of the motor extension shaft by the aid of elasticity of the spring, the driving gear rotates along with the motor, when load is increased, the driving gear cannot rotate along with the motor, and the boss slips out from the groove and slips on the motor extension shaft, so that the motor is effectively protected against being damaged due to locked rotation. The locked rotation preventive clutch device of the motor not only can guarantee fixed transmission ratio when in normal operation of the motor, but also can guarantee the motor against being damaged when in fault.
Description
Technical field
The utility model relates to a kind of arrangement of clutch, and especially a kind of low cruise motor block-proof leaves to attach together to be put.
Background technology
Under the changeless situation of gearratio, gear drive has the advantage of himself, and is low etc. as transmission efficiency height, noise.But when the motor slow-speed of revolution moved, the moment of torsion of output was bigger, in case load becomes big suddenly or stall takes place, motor also can be followed stall, and motor is damaged easily.If being installed between motor and load, automatic clutch just can effectively avoid such accident to take place.
Summary of the invention
Goal of the invention: for solving the problems of the technologies described above, the utility model provides a kind of motor block-proof to leave to attach together and puts, and is particularly useful for slowspeed machine gear drive occasion, when load during excessive or load generation stall, arrangement of clutch is worked automatically, can prevent that motor from damaging because of stall.
Technical scheme: in order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of motor block-proof leaves to attach together and puts, it comprises that the motor that is installed on the motor output shaft prolongs axle, the end that motor prolongs axle is provided with the shaft shoulder, driving gear is placed in motor and prolongs on the axle, and on the shaft shoulder, be provided with groove, driving gear is provided with the boss adaptive with groove, and described boss and groove are equipped with chamfering; The other end that prolongs axle at motor is fixed with clamp nut, is provided with spring between clamp nut and driving gear; Driving gear and driven gear are formed gear driving pair.
In the utility model, preferred, the height of described boss is 1-2mm, and the degree of depth of groove is 1.5-3mm.
In the utility model, preferred, boss and groove fall miter angle.
Beneficial effect: the utility model provides a kind of simple and effective motor block-proof to leave to attach together and has put, and during operate as normal, spring force makes the boss on the driving gear embed motor to prolong in the groove on the axle, and driving gear is followed motor and rotated together; When load became big, driving gear just can not be followed motor and be rotated together, and boss skids off from groove, skidded on the shaft shoulder of motor prolongation axle, effectively protected motor not by stall.Gearratio is fixed in the time of can guaranteeing operate as normal like this, and motor does not damage in the time of guaranteeing fault again.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 prolongs the structural representation of axle for motor.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the structural representation of driving gear.
Fig. 5 is the left view of Fig. 4.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
Shown in Fig. 1,2,3,4 and 5, motor block-proof of the present utility model leaves to attach together to put and comprises that motor prolongs axle 1, and motor prolongs axle 1 and is installed on the motor output shaft by screw.Prolong on the axle 1 at motor and to be provided with driving gear 2, the perforate internal diameter of driving gear 2 is slightly larger than the external diameter that motor prolongs axle 1, driving gear 2 can be prolonged on the axle 1 at motor freely rotate.On prolonging on the axle 1 junction with motor output shaft, motor is provided with the shaft shoulder 11, on the shaft shoulder 11 circumference, be evenly equipped with four grooves 12 that 1.5-3mm is dark, be provided with the boss 21 of two 1-2mm height on driving gear 2, boss 21 and groove 12 are suitable, and boss 21 is placed in the groove 12; And boss 21 and groove 12 are equipped with the 45 degree chamferings that cooperatively interact.The other end screw thread that prolongs axle 1 at motor is fixed with clamp nut 4, prolongs on the axle 1 at the motor between driving gear 2 and the clamp nut 4 to be provided with spring 5.Driving gear 2 is formed gear driving pair with driven gear 3, and driven gear 3 is fixed on the driven shaft 31.The described shaft shoulder 11 also can be arranged on motor and prolong on the axle 1 a end away from motor.
When this arrangement of clutch was installed, earlier driving gear 2 being installed in motor, to prolong axle last 1, and boss 21 cooperates with groove 12; Again clamp nut 4 and spring 5 are installed; At last motor is prolonged axle last 1 and be installed on the motor output shaft, use screw that motor output shaft and motor prolongation axle 1 are fixed.
During operate as normal, because spring 4 prolongs axle 1 groove with the driving gear 2 boss motor of compressing into tightly, driving gear 2 is followed motor shaft and is rotated together.
When driven gear 3 stalls or load become big, the strength deficiency of spring 5 prolongs axle 1 rotation together so that driving gear 2 is followed motor, the boss 21 of driving gear 2 is crawled out for 12 li from the groove that motor prolongs axle 1, driving gear 2 prolongs axle 1 along motor and slides, and glide direction is opposite with the motor direction of rotation; The boss 21 of this rear drive gear 2 prolongs the surface slip of axle 1 up to entering next groove 12 at motor always, if at this moment fault is eliminated, driving gear 2 can be followed motor again and be rotated together, if fault is not eliminated, driving gear 2 just skids on motor prolongation axle 1 always.Even driven gear 3 complete stalls, the acrotorque that motor bears are to overcome spring 2 to compress boss 21 not from 12 li strength of crawling out of groove, thereby can not damage motor.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a motor block-proof leaves to attach together and puts, it is characterized in that: it comprises that the motor that is installed on the motor output shaft prolongs axle (1), the end that motor prolongs axle (1) is provided with the shaft shoulder (11), driving gear (2) is placed in motor and prolongs on the axle (1), and on the shaft shoulder (11), be provided with groove (12), driving gear (2) is provided with and the adaptive boss (21) of groove (12), and described boss (21) and groove (12) are equipped with chamfering; The other end that prolongs axle (1) at motor is fixed with clamp nut (4), is provided with spring (5) between clamp nut (4) and driving gear (2); Driving gear (2) is formed gear driving pair with driven gear (3).
2. a kind of motor block-proof according to claim 1 leaves to attach together to be put, and it is characterized in that: the height of described boss (21) is 1-2mm, and the degree of depth of groove (12) is 1.5-3mm.
3. a kind of motor block-proof according to claim 1 and 2 leaves to attach together to be put, and it is characterized in that: boss (21) and groove (12) be miter angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205155203U CN201805312U (en) | 2010-09-02 | 2010-09-02 | Locked rotation preventive clutch device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205155203U CN201805312U (en) | 2010-09-02 | 2010-09-02 | Locked rotation preventive clutch device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201805312U true CN201805312U (en) | 2011-04-20 |
Family
ID=43874813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205155203U Expired - Fee Related CN201805312U (en) | 2010-09-02 | 2010-09-02 | Locked rotation preventive clutch device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201805312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966679A (en) * | 2012-11-05 | 2013-03-13 | 无锡新大力电机有限公司 | Output shaft of motor |
| CN108183579A (en) * | 2018-02-07 | 2018-06-19 | 遵义市聚源建材有限公司 | A kind of anti-blocking rotary device for elevator |
-
2010
- 2010-09-02 CN CN2010205155203U patent/CN201805312U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966679A (en) * | 2012-11-05 | 2013-03-13 | 无锡新大力电机有限公司 | Output shaft of motor |
| CN102966679B (en) * | 2012-11-05 | 2015-08-12 | 无锡新大力电机有限公司 | A kind of motor output shaft |
| CN108183579A (en) * | 2018-02-07 | 2018-06-19 | 遵义市聚源建材有限公司 | A kind of anti-blocking rotary device for elevator |
| CN108183579B (en) * | 2018-02-07 | 2023-11-21 | 遵义市聚源建材有限公司 | Anti-blocking device for elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20120902 |