CN201963758U - Elastic coupling for motor - Google Patents
Elastic coupling for motor Download PDFInfo
- Publication number
- CN201963758U CN201963758U CN 201020681200 CN201020681200U CN201963758U CN 201963758 U CN201963758 U CN 201963758U CN 201020681200 CN201020681200 CN 201020681200 CN 201020681200 U CN201020681200 U CN 201020681200U CN 201963758 U CN201963758 U CN 201963758U
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- power transmission
- resislient gear
- housing
- transmission tooth
- gear
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Abstract
The utility model belongs to the field of mechanical transmission devices and particularly relates to an elastic coupling for a motor. The elastic coupling comprises a shell body A, a shell body B and an elastic gear, wherein the shell body A and the shell body B are ring-shaped and are coaxial; the shell body A is sheathed and connected with a motor shaft and fixed on the motor shaft through a baffle arranged at the end part of the motor shaft; the shell body B is arranged between the shell body A and the baffle; and the shell body A and the shell body B are connected with each other in a transmission manner through the elastic gear arranged between the shell body A and the shell body B; gaps are arranged in the axial direction of the shell body B and between the shell body A and the baffle; and a screw hole used for fixing a flange disc of a load shaft is arranged on the shell body B. Compared with the prior art, the elastic coupling has a compact structure and more reliable transmission performance; meanwhile, the vibration produced by the motor can be effectively isolated; the noise can be reduced; and a vulnerable component is convenient to replace.
Description
Technical field
The utility model belongs to the mechanical transmission field, particularly relates to a kind of elastic coupling flexible coupling that is used for motor.
Background technique
In some technical fields, the speed adjustable range of motor is very wide, and the torque pulsation that motor is exported during low speed is bigger, and the vibration of generation and noise are quite big.Such as, when the vibration of motor and noise are excessive on the electric vehicle, not only can make driver and passenger can feel very uncomfortable, and the impact of countershaft is also bigger, can cause the rotating shaft permanent damage when serious.
In order to reduce vibration and the noise that motor causes, a kind of simple and effective solution is, will change elastic coupling flexible coupling into the rigid coupling that the motor load between centers adopts and connect, by the elastomer absorption or emit potential energy, reduces the torque pulsation on the bearing axle.Elastic coupling flexible coupling has various ways and structure at present, but excessive, the preponderance of volume of existing elastic coupling flexible coupling is installed and used extremely inconvenience, especially is difficult to satisfy fully many requirements of electric vehicle.
Because the defective that the above-mentioned existing elastic coupling flexible coupling that is used for motor exists, the design people in the hope of founding a kind of elastic coupling flexible coupling that is used for motor of new structure, is made it have more practicability through actively studying innovation.
The model utility content
Main purpose of the present utility model is, overcome the defective that the existing elastic coupling flexible coupling that is used for motor exists, and provide a kind of elastic coupling flexible coupling that is used for motor of new structure, technical problem to be solved is to make the elastic coupling flexible coupling compact structure, transmission performance is more reliable, can isolate simultaneously vibration and reduction noise that motor produces effectively, and be convenient to change easily worn part.Thereby be suitable for practicality more, and have the value on the industry.
For achieving the above object, the technological scheme that adopted of the utility model technical solution problem is:
A kind of elastic coupling flexible coupling that is used for motor comprises being shaped as ring-type, and has coaxial crust body, second housing and resislient gear, and described crust body is socketed on the motor shaft, and the baffle plate of the end by being arranged on described motor shaft is fixed on the motor shaft; Described second housing is located between crust body and the described baffle plate, and crust body and second housing link by the resislient gear transmission type that is arranged on therebetween, described second housing is equipped with the gap in the axial direction and between described crust body and the described baffle plate, and described second housing is provided with the screw that is used for fixing the bearing axle flange plate.
Footpath in the inside and outside cylndrical surface of described resislient gear upwards is equipped with radially power transmission tooth of resislient gear, be respectively equipped with radially power transmission tooth of first, second housing on the surface of contact of first, the second housing that contacts with the inside and outside cylndrical surface of described resislient gear, the resislient gear on the inside and outside cylndrical surface of described resislient gear is power transmission tooth and the radially power transmission tooth interlock mutually of described first, second housing radially.
The inner cylindrical surface of described resislient gear and the resislient gear on the external cylindrical surface radially the power transmission tooth number of teeth equate, and half tooth pitch that staggers on the orientation.
On cylinder end face on the described resislient gear and following cylinder end face axial, be provided with the axial power transmission tooth of resislient gear, be respectively equipped with first, second housing shaft to the power transmission tooth on the surface of contact of first, the second housing that contacts with the upper and lower cylinder end face of described resislient gear, the axial power transmission tooth of resislient gear on the upper and lower cylinder end face of described resislient gear and described first, second housing shaft are to the interlock mutually of power transmission tooth.
The number of teeth of the axial power transmission tooth of resislient gear on the last cylinder end face of described resislient gear and the following cylinder end face equates, and half tooth pitch that staggers on the orientation.
Described resislient gear is rubber elasticity gear or elastic polyurethane gear.
Be provided with elastic wire in the power transmission tooth of described resislient gear.
Be equipped with elastic wire in the power transmission tooth of described resislient gear, and the steel wire in each power transmission tooth joins end to end the annular resilient steel wire ring of a sealing of formation successively.
Described crust body is connected on the motor shaft by the spline inner hole sleeve that is arranged on its axle center.
Described baffle plate is fixed on the axle head of motor shaft by bolt or nut, and 5 on described bolt or nut and baffle plate are provided with spring washer, and described baffle plate is locked on the end face of crust body by positioning screwn or taper pin.
Compared with prior art, the utlity model has following tangible advantage and beneficial effect:
1, simple in structure, compact, volume is little, and is in light weight;
2, transmission performance is more reliable, especially behind the mid-flexible steel wire ring of resislient gear, effectively increases the ability of resislient gear transmitting torque;
3, separating vibration or reduce noise effectively;
4, convenient disassembly is convenient to change easily damaged parts, has satisfied motor usage requirement in the electric vehicle.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1: the structural representation of coupling when resislient gear inside and outside circle cylinder is provided with the power transmission tooth;
Fig. 2: the structural representation of coupling when the resislient gear upper and lower end face is provided with the power transmission tooth;
Fig. 3: the axis projection figure of resislient gear when the inside and outside circle cylinder is provided with 12 power transmission teeth;
A-A ' sectional drawing of Fig. 4: Fig. 3;
Fig. 5: the end-face structure schematic representation of resislient gear when the upper and lower end face is provided with 12 power transmission teeth;
B-O-B ' the sectional drawing of Fig. 6: Fig. 5;
Fig. 7: the axis projection figure that is used for the circle elastic wire ring of resislient gear shown in Figure 3;
Fig. 8: the axis projection figure that is used for the circle elastic wire ring of resislient gear shown in Figure 5;
Among the figure, 1-crust body; 2-second housing; The 3-resislient gear; The 4-motor shaft; The 5-baffle plate; The 6-resislient gear is the power transmission tooth radially; 7-elastic wire ring; 8-spline endoporus; The 91-fixing bolt; The 92-set screw nut; 10-crust body is the power transmission tooth radially; 11-second housing is the power transmission tooth radially; The 12-inner cylindrical surface; The 13-external cylindrical surface; The axial power transmission tooth of 14-resislient gear; 15-crust axon is to the power transmission tooth; 16-second housing shaft is to the power transmission tooth; The 17-screw; The 18-fixing threaded hole.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined model utility purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to embodiment of the present utility model describe in detail as after.
As Fig. 1, Fig. 3 and shown in Figure 4, the elastic coupling flexible coupling that is used for motor comprises and is shaped as ring-type, and has coaxial crust body 1, second housing 2 and resislient gear 3, and place, crust body 1 axle center is provided with spline endoporus 8.Crust body 1 is socketed on the motor shaft 4 by spline endoporus 8, and the baffle plate 5 of the end by being arranged on motor shaft 4 is fixed on the motor shaft 4.Place, axle center in the end of motor shaft 4 is provided with fixed hole 18, and baffle plate 5 is fixed on the axle head of motor shaft 4 by fixing bolt 91.Second housing 2 is located between crust body 1 and the baffle plate 5, and crust body 1 links by resislient gear 3 transmission types that are arranged on therebetween with second housing 2, concrete, upwards be equipped with radially power transmission tooth 6 of resislient gear at the inner cylindrical surface 12 of resislient gear 3 and the footpath of external cylindrical surface 13, be respectively equipped with radially power transmission tooth 10 and second housing power transmission tooth 11 radially of crust body on the crust body 1 that contacts with external cylindrical surface 13 with the inner cylindrical surface 12 of resislient gear 3 and the surface of contact of second housing 2, resislient gear on the inner cylindrical surface 12 of resislient gear 3 and the external cylindrical surface 13 is power transmission tooth 6 and radially power transmission tooth 10 and radially power transmission tooth 11 interlock mutually of second housing of crust body radially, the inner cylindrical surface 12 of resislient gear 3 and the resislient gear on the external cylindrical surface 13 radially power transmission tooth 6 numbers of teeth equate, the preferred number of teeth is 12, and half tooth pitch that staggers on the orientation.Second housing 2 is equipped with the gap in the axial direction and between crust body 1 and the baffle plate 5, this gap makes second housing 2 axially both not touch crust body 1, do not touch baffle plate 5 yet, make baffle plate 5 stop the disengaging of second housing 2 and resislient gear 3, but the axial clearance between them is little, under any circumstance, can both reach the required enough stress surfaces of power transmission tooth transmission.Second housing 2 tops are provided with several screws 17, are used for fixing the flange plate on the bearing axle.
Preferably, the material of resislient gear 3 is rubber or polyurethane and other similar elastic materials.In the power transmission tooth of resislient gear 3, be equipped with elastic wire, and the steel wire in each power transmission tooth joins end to end successively, form the annular resilient steel wire ring 7 of a sealing, 3 one inner headed faces of the number of teeth and resislient gear that are provided with on the elastic wire ring 7 or the number of teeth on the periphery equate, when inserting resislient gear, each power transmission tooth all has one section steel wire to embed in the power transmission tooth, the inner cylindrical surface 12 of resislient gear 3 and external cylindrical surface 13 all are like this, behind the resislient gear 3 mid-flexible steel wire rings 7, can increase the ability of resislient gear 3 transmitting torques.The number of annular resilient steel wire ring 7 can adopt two or more annular resilient steel wire rings 7 according to the demand of power transmission tooth power transmission intensity size.
Preferably, place, axle center in the end of motor shaft 4 is provided with fixed hole 18, fixing bolt 91 is fixed on baffle plate 5 axle head of motor shaft 4, by positioning screwn or taper pin baffle plate 5 and crust body are pressed on the motor shaft, baffle plate 5 has blocked the disengaging of second housing 2 and resislient gear 3, but second housing 2 and resislient gear 3 axially are not subjected to power, and their axial clearance is little simultaneously, in order to prevent that said fixing bolt 91 from unclamping, 5 on fixing bolt 91 and baffle plate are provided with spring washer.In addition as need fixing bolt 91 not fluff, can on baffle plate, install positioning screwn or taper pin additional, make it be locked in the aperture or groove on crust body 1 end face, not allow baffle plate 5 rotate with respect to crust body 1 because of baffle plate 5 rotates.
As shown in Figure 7, Fig. 7 is the axis projection figure that is applicable to the elastic wire ring 7 of resislient gear shown in Figure 3.Its axis projection is the annular of sealing, and one section Spring Steel Wire that tooth carries out the transition to adjacent teeth is in respectively on the inner cylindrical surface 12 and external cylindrical surface 13 of resislient gear 3, and its axis projection is to be respectively one section not straight line by the center of circle.
The described elastic coupling flexible coupling of present embodiment, the fixed hole 18 that will utilize the axle center place of the end of motor shaft 4 to be provided with during assembling, insert crust body 1 successively to motor shaft 4, behind resislient gear 3 and second housing 2 and the baffle plate 5, insert the fixed hole 18 at the place, axle center that is located at motor shaft 4 ends by fixing bolt 91, baffle plate 5 and crust body 1 are pressed on the motor shaft 4, second housing 2 had not axially both touched crust body 1, do not touch baffle plate 5 yet, baffle plate 5 has blocked the disengaging of second housing 2 and resislient gear 3, but the axial clearance between them is little, and under any circumstance the power transmission tooth all has enough stress surfaces.Preferably, place, axle center in the end of motor shaft 4 is provided with fixed hole 18, fixing bolt 91 is fixed on baffle plate 5 axle head of motor shaft 4, by positioning screwn or taper pin baffle plate 5 and crust body are pressed on the motor shaft, baffle plate 5 has blocked the disengaging of second housing 2 and resislient gear 3, but second housing 2 and resislient gear 3 axially are not subjected to power, and their axial clearance is little simultaneously, in order to prevent that said fixing bolt 91 from unclamping, 5 on fixing bolt 91 and baffle plate are provided with spring washer.
A kind of elastic coupling flexible coupling that is used for motor of the utility model, compact structure, reliable operation, volume and weight is little, and separating vibration and reduce noise effectively, and be convenient to change easily damaged parts is fit to that motor uses in the electric vehicle.
As Fig. 2, Fig. 5, shown in Figure 6, present embodiment and embodiment's 1 difference is, resislient gear 3 in the present embodiment and the transmission between first, the second housing, be the end face by being arranged on resislient gear 3 and realize with the power transmission tooth on the surface of contact of contacted first and second housings of resislient gear 3 end faces.Concrete, be equipped with the axial power transmission tooth 14 of resislient gear on the last cylinder end face 19 of resislient gear 3 and following cylinder end face 20 axial; Correspondingly, with the last cylinder end face 19 of resislient gear 3, down be respectively equipped with on the surface of contact of the crust body 1 that contacts of cylinder end face 20 and second housing 2 the crust axon to power transmission tooth 15 and second housing shaft to power transmission tooth 16, the axial power transmission tooth 14 of resislient gear on the last cylinder end face 19 of resislient gear 3 and the following cylinder end face 20 respectively with the crust axon to power transmission tooth 15 and second housing shaft to power transmission tooth 16 interlock mutually, the last cylinder end face 19 of resislient gear 3 and the number of teeth of the axial power transmission tooth 14 of resislient gear on the following cylinder end face 20 equate, and half tooth pitch that staggers on the orientation.In order not influence the interlock of power transmission tooth, the screw that is used for fixing the bearing axle flange plate on the present embodiment second housing is not got through, so the second housing shaft is to thickening.
As shown in Figure 8, Fig. 8 is the axis projection figure that is applicable to the elastic wire ring 7 of resislient gear shown in Figure 5.Present embodiment and embodiment's 1 difference is, one section Spring Steel Wire that tooth carries out the transition to identical tooth is in respectively on the last cylinder end face 19 and following cylinder end face 20 of resislient gear 3, so its axis projection is respectively one section by the big or small two sections circular arcs in the center of circle.
The described elastic coupling flexible coupling of present embodiment, during assembling after motor shaft 4 inserts crust body 1, resislient gear 3, second housing 2 and baffle plate 5 successively, with set screw nut 92 baffle plate 5 and crust body 1 are pressed on the motor shaft 4, second housing 2 had not axially both touched crust body 1, do not touch baffle plate 5 yet, baffle plate 5 has blocked the disengaging of second housing 2 and resislient gear 3, but the axial clearance between them is little, and under any circumstance the power transmission tooth all has enough stress surfaces.In order to prevent that said fixing nut 92 from unclamping, 5 on set screw nut 92 and baffle plate are provided with spring washer.
A kind of elastic coupling flexible coupling that is used for motor of the utility model, compact structure, reliable operation, volume and weight is little, and separating vibration and reduce noise effectively, and be convenient to change easily damaged parts is fit to that motor uses in the electric vehicle.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. elastic coupling flexible coupling that is used for motor, it is characterized in that, comprise being shaped as ring-type, and have coaxial crust body, second housing and resislient gear, described crust body is socketed on the motor shaft, and the baffle plate of the end by being arranged on described motor shaft is fixed on the motor shaft; Described second housing is located between crust body and the described baffle plate, and crust body and second housing link by the resislient gear transmission type that is arranged on therebetween, described second housing is equipped with the gap in the axial direction and between described crust body and the described baffle plate, and described second housing is provided with the screw that is used for fixing the bearing axle flange plate.
2. a kind of elastic coupling flexible coupling that is used for motor according to claim 1, it is characterized in that, footpath in the inside and outside cylndrical surface of described resislient gear upwards is equipped with radially power transmission tooth of resislient gear, be respectively equipped with radially power transmission tooth of first, second housing on the surface of contact of first, the second housing that contacts with the inside and outside cylndrical surface of described resislient gear, the resislient gear on the inside and outside cylndrical surface of described resislient gear is power transmission tooth and the radially power transmission tooth interlock mutually of described first, second housing radially.
3. a kind of elastic coupling flexible coupling that is used for motor according to claim 2 is characterized in that, the inner cylindrical surface of described resislient gear and the resislient gear on the external cylindrical surface radially the power transmission tooth number of teeth equate, and half tooth pitch that staggers on the orientation.
4. a kind of elastic coupling flexible coupling that is used for motor according to claim 1, it is characterized in that, on cylinder end face on the described resislient gear and following cylinder end face axial, be provided with the axial power transmission tooth of resislient gear, be respectively equipped with first, second housing shaft to the power transmission tooth on the surface of contact of first, the second housing that contacts with the upper and lower cylinder end face of described resislient gear, the axial power transmission tooth of resislient gear on the upper and lower cylinder end face of described resislient gear and described first, second housing shaft are to the interlock mutually of power transmission tooth.
5. a kind of elastic coupling flexible coupling that is used for motor according to claim 4 is characterized in that, the number of teeth of the axial power transmission tooth of resislient gear on the last cylinder end face of described resislient gear and the following cylinder end face equates, and half tooth pitch that staggers on the orientation.
6. according to each described a kind of elastic coupling flexible coupling that is used for motor of claim 1-5, it is characterized in that described resislient gear is rubber elasticity gear or elastic polyurethane gear.
7. according to each described a kind of elastic coupling flexible coupling that is used for motor of claim 2-5, it is characterized in that, be provided with elastic wire in the power transmission tooth of described resislient gear.
8. a kind of elastic coupling flexible coupling that is used for motor according to claim 7 is characterized in that, is equipped with elastic wire in the power transmission tooth of described resislient gear, and the steel wire in each power transmission tooth joins end to end the annular resilient steel wire ring of a sealing of formation successively.
9. a kind of elastic coupling flexible coupling that is used for motor according to claim 1 is characterized in that described crust body is connected on the motor shaft by the spline inner hole sleeve that is arranged on its axle center.
10. a kind of elastic coupling flexible coupling that is used for motor according to claim 1, it is characterized in that, described baffle plate is fixed on the axle head of motor shaft by bolt or nut, described bolt or nut and baffle plate are provided with spring washer between (5), and described baffle plate is locked on the end face of crust body by positioning screwn or taper pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020681200 CN201963758U (en) | 2010-12-24 | 2010-12-24 | Elastic coupling for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020681200 CN201963758U (en) | 2010-12-24 | 2010-12-24 | Elastic coupling for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963758U true CN201963758U (en) | 2011-09-07 |
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ID=44526294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020681200 Expired - Lifetime CN201963758U (en) | 2010-12-24 | 2010-12-24 | Elastic coupling for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963758U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537107A (en) * | 2010-12-24 | 2012-07-04 | 北京中纺锐力机电有限公司 | Elastic coupling for motor |
| CN106224507A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of power takeoff of compact conformation |
| CN106438752A (en) * | 2016-10-20 | 2017-02-22 | 无锡市神力齿轮冷挤有限公司 | Rubber friction type one-way clutch |
| CN106609842A (en) * | 2017-01-12 | 2017-05-03 | 西南大学 | Gearshift mechanism, gearbox and electric vehicle |
| CN109895119A (en) * | 2019-04-25 | 2019-06-18 | 哈尔滨玄智科技有限公司 | A kind of qualifying bucket robot, high speed rotary drum mechanism |
-
2010
- 2010-12-24 CN CN 201020681200 patent/CN201963758U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537107A (en) * | 2010-12-24 | 2012-07-04 | 北京中纺锐力机电有限公司 | Elastic coupling for motor |
| CN102537107B (en) * | 2010-12-24 | 2014-04-09 | 北京中纺锐力机电有限公司 | Elastic coupling for motor |
| CN106224507A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of power takeoff of compact conformation |
| CN106438752A (en) * | 2016-10-20 | 2017-02-22 | 无锡市神力齿轮冷挤有限公司 | Rubber friction type one-way clutch |
| CN106609842A (en) * | 2017-01-12 | 2017-05-03 | 西南大学 | Gearshift mechanism, gearbox and electric vehicle |
| CN109895119A (en) * | 2019-04-25 | 2019-06-18 | 哈尔滨玄智科技有限公司 | A kind of qualifying bucket robot, high speed rotary drum mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20140409 |
|
| RGAV | Abandon patent right to avoid regrant |