CN208885812U - Elastic limit torsional square clutch - Google Patents
Elastic limit torsional square clutch Download PDFInfo
- Publication number
- CN208885812U CN208885812U CN201821734272.4U CN201821734272U CN208885812U CN 208885812 U CN208885812 U CN 208885812U CN 201821734272 U CN201821734272 U CN 201821734272U CN 208885812 U CN208885812 U CN 208885812U
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- CN
- China
- Prior art keywords
- spring
- transmission shaft
- terminal pad
- elastic limit
- annular groove
- 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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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses elastic limit torsional square clutches, belong to mechanical transmission fields.The transmission shaft of annular groove is had on excircle including terminal pad and transmitting power, winding can be drivingly connected the spring of disc spins in the annular groove of transmission shaft, the position that spring tip is corresponded in terminal pad is provided with the axial hole that spring tip is inserted into, the ring slot outside of transmission shaft is provided with the step for capableing of support spring, one end end of spring is bent into right angle and sticks on the step of transmission shaft, and the other end end bending of spring is at an acute angle to be inserted into the axial hole of terminal pad.The utility model structure is simple, it can be when driving wheel or the driving wheel being connected by screw to by terminal pad fail because of load excessive, power can also be passed to other transmission mechanisms by transmission shaft, will not because of transmission mechanism at one destruction and influence the operatings of equipment other parts, operator can independently select the maintenance of equipment time, avoid equipment work is discontinuous from causing damages.
Description
Technical field
The utility model belongs to drive apparatus, in particular to a kind of power transmits clutch.
Background technique
In mechanical transmission fields, common transmission mechanism has gear drive, pulley drive, synchronous belt pulley transmission, wherein
Pulley drive, synchronous belt pulley transmission are suitable for center away from bigger longer-distance transmission, and pulley drive is dynamic
It is easy to appear skidding in power transmittance process, causes transmission efficiency low, so the power in the limited high-precision in space, high speed passes
In dynamic, general or selection gear drive can not carry out overload protection, work as load since gear drive is a kind of rigidity transmission
When excessive, the damage of the components such as damage or the bearing of driving equipment will result in, maintenance inconvenience can also seriously affect production
Progress.
Utility model content
The problem of purpose of the utility model is to solve background techniques, and the one kind proposed is protected with overload
The elastic limit torsional square clutch of protective function.
To achieve the above object, the technical scheme adopted by the utility model is
Elastic limit torsional square clutch, the transmission shaft including having annular groove in terminal pad and the excircle of transmitting power, institute
The spring of disc spins can be drivingly connected by stating winding in the annular groove of transmission shaft.
Further improvement of the utility model is: the position that spring tip is corresponded in the terminal pad is provided with spring terminal
The axial hole that head is inserted into, the ring slot outside of the transmission shaft are provided with the step for capableing of support spring, the spring
One end end is bent into right angle and sticks on the step of transmission shaft, the other end end bending company of being inserted at an acute angle of the spring
It connects in the axial hole of disk.
Further improvement of the utility model is: the fan-shaped folder that the spring wrap is formed in the annular groove of transmission shaft
Angle is 270-300 °.
Further improvement of the utility model is: the steel wire diameter of the spring is 8mm.
Further improvement of the utility model is: the annular groove inner side end of the transmission shaft is corresponding lower than terminal pad
End face 0.2mm.
Further improvement of the utility model is: bearing is provided in the centre bore of the terminal pad, the bearing
Centre bore and transmission shaft are interference fitted.
Further improvement of the utility model is: several through-holes are evenly arranged on the end face of the terminal pad, it is described
Screw is worn in through-hole.
Further improvement of the utility model is: the terminal pad is driving wheel, corresponds to spring terminal on the driving wheel
The position of head is provided with the axial hole that spring tip is inserted into, and setting is fixed with transmission shaft between the driving wheel and transmission shaft
The spacer of annular groove is had on the excircle of connection, is provided with the bullet that driving wheel can be driven to rotate in the annular groove of the spacer
Spring, the ring slot outside of the spacer are provided with the step for capableing of support spring, and one end end of the spring is bent into right angle
It sticks on the step of spacer, the bending of other end end is at an acute angle to be inserted into the axial hole of driving wheel.
Further improvement of the utility model is: the inner hole of the spacer is hexagonal hole, and the transmission shaft is six square shafts,
The hexagonal hole of the spacer and six square shaft clearance fits.
Further improvement of the utility model is: the driving wheel is gear.
Further improvement of the utility model is: the acute angle of the other end bending of the spring is 20-70 °.
By adopting the above-described technical solution, the technological progress that the utility model obtains is:
The utility model structure is simple, can driving wheel or other driving members being connected by screw to by terminal pad because
When load excessive fails, power can also be passed to other transmission mechanisms by transmission shaft, will not be because of the destruction of transmission mechanism at one
And the operating of equipment other parts is influenced, equipment user can independently select the maintenance of equipment time, and equipment work is avoided not connect
It passes through and causes damages.
Spring is set in the annular groove of transmission shaft, and spring one end is bent into right angle, sticks on the step of transmission shaft, spring
The bending of other end end it is at an acute angle be inserted into the axial hole of terminal pad, the power of transmission shaft can be passed to terminal pad；
Simultaneous selection spring transmits power can be in load excessive, and spring can be deviate from out of terminal pad axial hole, bending part
Divide on the excircle for the annular groove for being wrapped in transmission shaft and continued to rotate without influencing transmission shaft, power can continue to pass to equipment
Other parts, do not influence other parts and work on.
The fan-shaped angle that spring wrap is formed in the annular groove of transmission shaft is 270-300 °, guarantees the kinetic force of transmission shaft
Enough pass to terminal pad or driving wheel.
Spring wire diameter selects 8mm, it is therefore an objective to corresponding corresponding load.
The annular groove inner side end of transmission shaft is lower than the end face 0.2mm of terminal pad, and when being driven overload, spring is easy multiple
Position, is wrapped in the annular groove of transmission shaft.
Bearing is set in the hole of terminal pad, the inner hole and transmission shaft of bearing are interference fitted, after being overloaded to avoid terminal pad,
Transmission shaft rotates and terminal pad does not turn to cause frictional heat generation serious, destroys whole equipment.
It is evenly arranged with several through-holes on the end face of terminal pad, screw is worn in through-hole, screw is for connecting other transmissions
Part passes the power with overload protection.
Terminal pad itself can be driving wheel, and axial hole is arranged on the end face of driving wheel, for installing the bullet for having bending
One end end of spring, is arranged spacer between driving wheel and transmission shaft, on the excircle of spacer the annular groove of setting installing spring with
And the plane for another bending end of spring that reclines, spacer are fixedly connected with transmission shaft, the power of transmission shaft passes through spacer and bullet
Spring passes to driving wheel, can solve the problem not easy to be processed of annular groove and spring abutment plane in the longer situation of transmission shaft.
The inner hole of spacer is hexagonal hole, six square shaft of transmission shaft, and the two clearance fit transmits power, and six square shafts are easily worked,
Processing cost can be reduced.
Driving wheel is gear, and gear-driven efficiency is high, can bear high speed rotation, saves space, is occupied small in size.
The acute angle of the other end bending of spring is 20-70 °, and when convenient for overload, spring is deviate from from axial hole.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model；
Fig. 2 is sectional view along A-A in Fig. 1；
Fig. 3 is the structural schematic diagram of spring；
Fig. 4 is the structural schematic diagram of transmission shaft；
Fig. 5 is the positive structure schematic of another embodiment of the utility model；
Fig. 6 is sectional view along A-A in Fig. 5；
Fig. 7 is the structural schematic diagram of spacer.
Wherein: 1, terminal pad 2, spring 3, transmission shaft 4, bearing 5, screw 6, driving wheel 7, spacer 8, six square shafts.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings and examples:
Elastic limit torsional square clutch, as shown in Figure 1, Figure 2, Figure 3, Figure 4, including terminal pad 1 and transmission shaft 3, transmission shaft 3 are
Annular groove is arranged on the excircle of transmission shaft 3, spring 2 is arranged in annular groove, spring 2 is for being drivingly connected disk 1 for power input shaft
Rotation.
The position setting axial hole of 2 end of spring is corresponded on the end face of terminal pad 1, axial hole is used to be inserted into one of spring
Bending end, the ring slot outside of transmission shaft 3 are provided with the step of support spring, and one end end of spring 2 is bent into right angle patch
On the step for leaning against transmission shaft 3, in the other end end bending of spring 2 axial hole at an acute angle for being inserted into terminal pad 1, spring 2
The acute angle of other end bending be 20-70 °, it is 270- that spring 2, which is wrapped in the fan-shaped angle formed in the annular groove of transmission shaft 3,
300°。
Bearing 4 is provided in the centre bore of terminal pad 1, the centre bore and transmission shaft 3 of bearing 4 are interference fitted.
The annular groove inner side end of transmission shaft 3 is lower than the corresponding end-faces 0.2mm of terminal pad 1, and the steel wire diameter of spring 2 is
8mm。
It is evenly arranged with several through-holes on the end face of terminal pad 1, screw 5 is worn in through-hole, screw 5 is for connecting other biographies
Moving part, such as gear, synchronous pulley etc..
In Fig. 5, Fig. 6, another embodiment shown in Fig. 7, terminal pad 1 is driving wheel 6, is set on the end face of driving wheel 6
Axial hole is set, the position of corresponding 2 end of spring is arranged in axial hole, and axial hole is used to be inserted into a bending end of spring, passes
Spacer 7 is set between driving wheel 6 and transmission shaft 3, and the inner hole of spacer 7 is hexagonal hole, and transmission shaft 3 is six square shafts 8, six sides of spacer 7
Annular groove is arranged on the excircle of spacer 7, spring 2, spring 2 is arranged in the annular groove of spacer 7 for 8 clearance fit of Kong Yuliu square shaft
For driving driving wheel 6 to rotate, the ring slot outside of spacer 7 is provided with the step for capableing of support spring 2, one end end of spring 2
Head is bent into right angle and sticks on the step of spacer 7, in the other end end bending axial hole at an acute angle for being inserted into driving wheel 6,
The other end end bending of spring 2 angle at an acute angle is 270-300 °.
The axial hole that 2 bending end of spring is installed on the end face of terminal pad 1 and driving wheel 6 is the kidney slot of arc, can be with
More easily it is inserted into the end of spring 2.
Driving wheel 6 is preferably gear.
Claims (11)
1. elastic limit torsional square clutch, which is characterized in that have annular groove on the excircle including terminal pad (1) and transmitting power
Transmission shaft (3), winding can be drivingly connected the spring (2) of disk (1) rotation in the annular groove of the transmission shaft (3).
2. elastic limit torsional square clutch according to claim 1, it is characterised in that: correspond to spring on the terminal pad (1)
(2) position of end is provided with the axial hole that spring tip is inserted into, and the ring slot outside of the transmission shaft (3) is provided with energy
The step of enough support springs, one end end of the spring (2) is bent into right angle and sticks on the step of transmission shaft (3), described
In the other end end bending of spring (2) axial hole at an acute angle for being inserted into terminal pad (1).
3. elastic limit torsional square clutch according to claim 1, it is characterised in that: the spring (2) is wrapped in transmission shaft
(3) the fan-shaped angle formed in annular groove is 270-300 °.
4. elastic limit torsional square clutch according to claim 1, it is characterised in that: the steel wire diameter of the spring (2) is
8mm。
5. elastic limit torsional square clutch according to claim 1, it is characterised in that: in the annular groove of the transmission shaft (3)
Side end face is lower than the corresponding end-faces 0.2mm of terminal pad (1).
6. elastic limit torsional square clutch according to claim 1, it is characterised in that: in the centre bore of the terminal pad (1)
It is provided with bearing (4), the centre bore of the bearing (4) and transmission shaft (3) are interference fitted.
7. elastic limit torsional square clutch according to claim 1, it is characterised in that: on the end face of the terminal pad (1)
It is even to be provided with several through-holes, screw (5) are worn in the through-hole.
8. elastic limit torsional square clutch according to claim 1, it is characterised in that: the terminal pad (1) is driving wheel
(6), the position for spring (2) end being corresponded on the driving wheel (6) is provided with the axial hole that spring tip is inserted into, the biography
The spacer (7) that annular groove is had on the excircle being fixedly connected with transmission shaft (3), institute are set between driving wheel (6) and transmission shaft (3)
The spring (2) for being provided in the annular groove of spacer (7) and driving wheel (6) capable of being driven to rotate is stated, outside the annular groove of the spacer (7)
Side is provided with the step for capableing of support spring (2), and one end end of the spring (2) is bent into right angle and sticks on spacer (7)
On step, in the other end end bending axial hole at an acute angle for being inserted into driving wheel (6).
9. elastic limit torsional square clutch according to claim 8, it is characterised in that: the inner hole of the spacer (7) is six sides
Hole, the transmission shaft (3) are six square shafts (8), the hexagonal hole and six square shafts (8) clearance fit of the spacer (7).
10. elastic limit torsional square clutch according to claim 8, it is characterised in that: the driving wheel (6) is gear.
11. the elastic limit torsional square clutch according to claim 2 or 8, it is characterised in that: the other end of the spring (2)
The acute angle of bending is 20-70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821734272.4U CN208885812U (en) | 2018-10-25 | 2018-10-25 | Elastic limit torsional square clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821734272.4U CN208885812U (en) | 2018-10-25 | 2018-10-25 | Elastic limit torsional square clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885812U true CN208885812U (en) | 2019-05-21 |
Family
ID=66517099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821734272.4U Expired - Fee Related CN208885812U (en) | 2018-10-25 | 2018-10-25 | Elastic limit torsional square clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058322A (en) * | 2018-10-25 | 2018-12-21 | 石家庄辰启科技有限公司 | Elastic limit torsional square clutch |
-
2018
- 2018-10-25 CN CN201821734272.4U patent/CN208885812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058322A (en) * | 2018-10-25 | 2018-12-21 | 石家庄辰启科技有限公司 | Elastic limit torsional square clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20201025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |