CN203847650U - Damping transmission device - Google Patents
Damping transmission device Download PDFInfo
- Publication number
- CN203847650U CN203847650U CN201420210545.0U CN201420210545U CN203847650U CN 203847650 U CN203847650 U CN 203847650U CN 201420210545 U CN201420210545 U CN 201420210545U CN 203847650 U CN203847650 U CN 203847650U
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- ring
- driving shaft
- shaft
- driven
- transmission device
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Abstract
The utility model relates to a damping transmission device and belongs to the technical field of mechanical power transmission devices. To solve the technical problems, a mechanical transmission device which is good in damping effect, long in service life and capable of avoiding gear collisions is provided. By the adoption of the technical scheme, the damping transmission device comprises a driving shaft and a driven shaft. The driving shaft is a threaded shaft, the upper portion of the driving shaft is provided with a first check ring, and the lower portion of the driving shaft is provided with a second check ring; the part, located between the first check ring and the second check ring, of the driving shaft is provided with external threads; the driving shaft is in threaded connection with a drive gear; a spring is installed between the drive gear and the first check ring in a pressed mode, and a spring is also installed between the drive gear and the second check ring in a pressed mode. The driven shaft is connected with a driven gear which is meshed with the drive gear, and the driven shaft is driven by the driving shaft to rotate. The damping transmission device is a transmission system in a flexible connection, has a transmission damping effect and will not consume power capacity.
Description
Technical field
A kind of damping transmission device of the utility model, belongs to mechanical power transfer unit technical field.
Background technique
The transmission system technical background being adopted taking existing the most general mechanical transmission automobile is as example: taking motor as power source, arrive gearbox through clutch, arrive speed reducer through transmission shaft, forming whole transmission system and driving automobile running to tire by semiaxis, in its transmission system, main transmission part comprises clutch driven plate, axle, bearing, gear, transmission shaft and semiaxis, in power transmission process, except clutch driven plate plays certain cushioning effect, again without any transmission damping device, and the damping performance of clutch driven plate is due to its present position and the factor such as operating temperature is unstable, cannot meet again make whole transmission system can held stationary under various operating conditions the demand of operation, due to clutch driven plate in transmission system foremost, the cushioning effect playing in running cannot extend in the transmission system of gearbox with rear section and go, cannot avoid in the course of the work again the phenomenon of excess Temperature due to it, tend to make the cushioning effect of damping spring significantly to reduce.Therefore; various reasons is in operation transmission system; often there will be the phenomenons such as the impact stalk tooth that is subject to bringing from some undesirable elements that produce under various operating conditions, the phenomenon that makes transmission system cannot avoid gear to beat the badly damaged transmission component such as tooth, shaft distortion are affectedly shy, tyre slip occurs.Particularly existing automobile always emphasizes that its engine performance is how strong and powerful, how swift and violent explosive force have, bring how severe operating conditions and ignored this to transmission part therebetween, more made the component in transmission system all can be therefore and wearing and tearing aggravation shortens life cycle.
Model utility content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved, for a kind of good damping effect is provided, avoids beating tooth, the mechanical transmission of long service life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of damping transmission device, , comprise driving shaft and driven shaft, described driving shaft is thread spindle, the top of described driving shaft is provided with the first back-up ring, the bottom of driving shaft is provided with the second back-up ring, the part of described driving shaft between the first back-up ring and the second back-up ring is provided with outside thread, actuation gear has been threaded on driving shaft, between described actuation gear and the first back-up ring, be pressed with spring, between actuation gear and the second back-up ring, be also pressed with spring, on described driven shaft, be connected with driven gear, described driven gear engages with actuation gear, described driven shaft rotates under the drive of driving shaft.In the time that live axle drives actuation gear to rotate, owing to being threaded between actuation gear and live axle, actuation gear can rotate with respect to live axle, driving wheel compresses the spring in direction of advance, and in the time that the elastic force of spring is enough to overcome the rotating force of actuation gear, actuation gear drives driven gear to rotate, so just can avoid the positive drive of drive unit, this transmission system being flexible coupling, existing transmission cushioning effect, again can consumption of power energy.And spring also can make actuation gear reset, without other structures, simple in structure, very practical.
Further, on described driven shaft, be arranged with many alligator grooves in parallel, described many alligator grooves are along the length direction setting of driven shaft, in the axis hole of described driven gear, be provided with multiple key teeth, described driven gear is sleeved on driven shaft by multiple key teeth, in the time that driving gear drives driven gear to rotate, driven gear can be on driven shaft play, dissolve the power of driven gear at driven shaft axial direction, avoid beating tooth.
Further, the top of described driven shaft is provided with the 3rd back-up ring, bottom is provided with the 4th back-up ring, described driven gear is arranged between the 3rd back-up ring and the 4th back-up ring, the 3rd back-up ring and the 4th back-up ring are set at the two ends of driven gear, avoid driven gear in the time of driven shaft axial motion, clash into the two ends of driven shaft, increase the service life.
Further, between described driven gear and the 3rd back-up ring, be pressed with spring, between driven gear and the 4th back-up ring, be also pressed with spring, like this, driven gear and the double buffering of driving gear composition, reach damping effect better.
Further, between described the first back-up ring and driving shaft, be threaded, between the second back-up ring and driving shaft, be threaded, the spring on driving gear and both sides is all replaceable, very convenient.
Further, described the first back-up ring is fixedly installed on driving shaft, and the second back-up ring is also fixedly installed on driving shaft, structural stability, and matching performance is strong.
Further, described the first back-up ring is fixedly installed on driving shaft, and the second back-up ring is threaded on driving shaft, and the spring on driving gear and both sides is all replaceable, very convenient.
Further, between described the 3rd back-up ring and driven shaft, be threaded, between the 4th back-up ring and driven shaft, be threaded.
Further, described the 3rd back-up ring is fixedly installed on driven shaft, and the 4th back-up ring is fixedly installed on driven shaft.
Further, described the 3rd back-up ring is fixedly installed on driven shaft, between the 4th back-up ring screw thread and driven shaft, is threaded.
The utility model compared with prior art has following beneficial effect: between live axle of the present utility model and actuation gear, be threaded, and the two ends of actuation gear are all pressed with spring, in the time that live axle drives actuation gear to rotate, owing to being threaded between actuation gear and live axle, actuation gear can rotate with respect to live axle, driving wheel compresses the spring in direction of advance, in the time that the elastic force of spring is enough to overcome the rotating force of actuation gear, actuation gear drives driven gear to rotate, so just can avoid the positive drive of drive unit, this transmission system being flexible coupling, existing transmission cushioning effect, again can consumption of power energy.The utility model has not only improved people's comfort level by bus, can also effectively eliminate the adverse effect that motor causes to transmission system under various irregular operation conditions, and accumulation of energy gearing that makes transmission system originally more can produce secondary buffer in the situation of resistance cataclysm, timely and effectively by the differentiation of disposable impact force, thereby improve the Stability and dependability of all kinds of dynamic power machine motion states.The type of belt drive that the utility model utilizes the drive characteristic of spiral helical teeth key and the reaction force of spring to combine carries out transmission, realizes the object of damping transmission.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of a kind of damping transmission device of the utility model, is also embodiment one structural representation.
Fig. 2 is the structural representation of a kind of damping transmission device of the utility model, is also embodiment two structural representation.
Fig. 3 is the structural representation of driven gear inner ring in Fig. 1 or Fig. 2.
In figure: 1 is driving shaft, 2 is driven shaft, and 3 is actuation gear, and 4 is driven gear, and 5 is the first back-up ring, and 6 is the second back-up ring, and 7 is the 3rd back-up ring, and 8 is the 4th back-up ring, and 21 is alligator groove, and 41 is key tooth.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplifying, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Embodiment one
As shown in figures 1 and 3, a kind of damping transmission device, comprise driving shaft 1 and driven shaft 2, driving shaft 1 is thread spindle, the top of described driving shaft 1 is provided with the first back-up ring 5, the bottom of driving shaft 1 is provided with the second back-up ring 6, the part of driving shaft 1 between the first back-up ring 5 and the second back-up ring 6 is provided with outside thread, actuation gear 3 has been threaded on driving shaft 1, between actuation gear 3 and the first back-up ring 5, be pressed with spring, between actuation gear 3 and the second back-up ring 6, be also pressed with spring, on driven shaft 2, be connected with driven gear 4, driven gear 4 engages with actuation gear 3, driven shaft 2 rotates under the drive of driving shaft 1, on driven shaft 2, be arranged with many alligator grooves 21 in parallel, many alligator grooves 21 are along the length direction setting of driven shaft 2, in the axis hole of described driven gear 4, be provided with multiple key teeth 41, described driven gear 4 is sleeved on driven shaft 2 by multiple key teeth 41, between described the first back-up ring 5 and driving shaft 1, be threaded, between the second back-up ring 6 and driving shaft 1, be threaded.
In transmission process, drive actuation gear 3 to rotate by driving shaft 1, owing to being threaded between driving shaft 1 and the inner ring of actuation gear 3, actuation gear 3 can first compress the spring of a side, in the time that the rebound effect of spring is enough to overcome rotating force, actuation gear 3 drives driven gear 4 to rotate, and driving force of the present utility model sends out from driven shaft 2.Actuation gear 3 of the present utility model is in the time of Compress Spring, spring can produce the time period that can alleviate impact torsion, rotary torsion is not directly impact forces to be passed to connected transmission part, but by the reaction force of spring, actuation gear 3 is further done work, transmission again after the torsion of a secondary buffer of formation, effectively decompose impact force, realized damping transmission.
Embodiment two
As shown in Figures 2 and 3, a kind of damping transmission device, comprise driving shaft 1 and driven shaft 2, driving shaft 1 is thread spindle, the top of described driving shaft 1 is provided with the first back-up ring 5, the bottom of driving shaft 1 is provided with the second back-up ring 6, the part of driving shaft 1 between the first back-up ring 5 and the second back-up ring 6 is provided with outside thread, actuation gear 3 has been threaded on driving shaft 1, between actuation gear 3 and the first back-up ring 5, be pressed with spring, between actuation gear 3 and the second back-up ring 6, be also pressed with spring, on driven shaft 2, be connected with driven gear 4, driven gear 4 engages with actuation gear 3, driven shaft 2 rotates under the drive of driving shaft 1, on driven shaft 2, be arranged with many alligator grooves 21 in parallel, many alligator grooves 21 are along the length direction setting of driven shaft 2, in the axis hole of described driven gear 4, be provided with multiple key teeth 41, described driven gear 4 is sleeved on driven shaft 2 by multiple key teeth 41.Between described driven gear 4 and the 3rd back-up ring 7, be pressed with spring, between driven gear 4 and the 4th back-up ring 8, be also pressed with spring, between described the first back-up ring 5 and driving shaft 1, be threaded, between the second back-up ring 6 and driving shaft 1, be threaded, between the 3rd back-up ring 7 and driven shaft 2, be threaded, between the 4th back-up ring 8 and driven shaft 2, be threaded, described the first back-up ring 5 is fixedly installed on driving shaft 1, and the second back-up ring 6 is also fixedly installed on driving shaft 1.Described the 3rd back-up ring 7 is fixedly installed on driven shaft 2, and the 4th back-up ring 8 is fixedly installed on driven shaft 2.。
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Claims (10)
1. a damping transmission device, it is characterized in that, comprise driving shaft (1) and driven shaft (2), described driving shaft (1) is thread spindle, the top of described driving shaft (1) is provided with the first back-up ring (5), the bottom of driving shaft (1) is provided with the second back-up ring (6), the part that described driving shaft (1) is positioned between the first back-up ring (5) and the second back-up ring (6) is provided with outside thread, actuation gear (3) has been threaded on driving shaft (1), between described actuation gear (3) and the first back-up ring (5), be pressed with spring, between actuation gear (3) and the second back-up ring (6), be also pressed with spring, on described driven shaft (2), be provided with driven gear (4), described driven gear (4) engages with actuation gear (3), described driven shaft (2) rotates under the drive of driving shaft (1).
2. a kind of damping transmission device according to claim 1, it is characterized in that, on described driven shaft (2), be arranged with many alligator grooves (21) in parallel, described many alligator grooves (21) are along the length direction setting of driven shaft (2), in the axis hole of described driven gear (4), be provided with multiple key teeth (41), described driven gear (4) is sleeved on driven shaft (2) by multiple key teeth (41).
3. a kind of damping transmission device according to claim 2, it is characterized in that, the top of described driven shaft (2) is provided with the 3rd back-up ring (7), and bottom is provided with the 4th back-up ring (8), and described driven gear (4) is arranged between the 3rd back-up ring (7) and the 4th back-up ring (8).
4. a kind of damping transmission device according to claim 3, is characterized in that, between described driven gear (4) and the 3rd back-up ring (7), is pressed with spring, between driven gear (4) and the 4th back-up ring (8), is also pressed with spring.
5. a kind of damping transmission device according to claim 1, is characterized in that, between described the first back-up ring (5) and driving shaft (1), is threaded, and between the second back-up ring (6) and driving shaft (1), is threaded.
6. a kind of damping transmission device according to claim 1, is characterized in that, it is upper that described the first back-up ring (5) is fixedly installed on driving shaft (1), and the second back-up ring (6) is also fixedly installed on driving shaft (1).
7. a kind of damping transmission device according to claim 1, is characterized in that, it is upper that described the first back-up ring (5) is fixedly installed on driving shaft (1), and the second back-up ring (6) is threaded on driving shaft (1).
8. a kind of damping transmission device according to claim 3, is characterized in that, between described the 3rd back-up ring (7) and driven shaft (2), is threaded, and between the 4th back-up ring (8) and driven shaft (2), is threaded.
9. a kind of damping transmission device according to claim 3, is characterized in that, it is upper that described the 3rd back-up ring (7) is fixedly installed on driven shaft (2), and the 4th back-up ring (8) is fixedly installed on driven shaft (2).
10. a kind of damping transmission device according to claim 3, is characterized in that, it is upper that described the 3rd back-up ring (7) is fixedly installed on driven shaft (2), between the 4th back-up ring (8) screw thread and driven shaft (2), is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210545.0U CN203847650U (en) | 2014-04-28 | 2014-04-28 | Damping transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210545.0U CN203847650U (en) | 2014-04-28 | 2014-04-28 | Damping transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847650U true CN203847650U (en) | 2014-09-24 |
Family
ID=51560672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210545.0U Expired - Fee Related CN203847650U (en) | 2014-04-28 | 2014-04-28 | Damping transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847650U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482071A (en) * | 2015-01-01 | 2015-04-01 | 魏伯卿 | Screw spring synchronizer |
| CN104534043A (en) * | 2015-01-15 | 2015-04-22 | 魏伯卿 | Screw variable-diameter spring synchronizer |
| CN104613098A (en) * | 2015-02-03 | 2015-05-13 | 魏伯卿 | Screw magnetic repulsion synchronizer |
| CN104696382A (en) * | 2015-03-26 | 2015-06-10 | 魏伯卿 | Screw push-pull spring synchronizer |
| CN104776170A (en) * | 2015-04-02 | 2015-07-15 | 魏伯卿 | Threaded-sleeve-wheel magnetic control clutch speed changer |
| CN110464888A (en) * | 2019-08-26 | 2019-11-19 | 青岛市第三人民医院 | A kind of impermeable drainage device of portable Internal Medicine-Oncology clinic |
-
2014
- 2014-04-28 CN CN201420210545.0U patent/CN203847650U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482071A (en) * | 2015-01-01 | 2015-04-01 | 魏伯卿 | Screw spring synchronizer |
| CN104534043A (en) * | 2015-01-15 | 2015-04-22 | 魏伯卿 | Screw variable-diameter spring synchronizer |
| CN104613098A (en) * | 2015-02-03 | 2015-05-13 | 魏伯卿 | Screw magnetic repulsion synchronizer |
| CN104696382A (en) * | 2015-03-26 | 2015-06-10 | 魏伯卿 | Screw push-pull spring synchronizer |
| CN104776170A (en) * | 2015-04-02 | 2015-07-15 | 魏伯卿 | Threaded-sleeve-wheel magnetic control clutch speed changer |
| CN104776170B (en) * | 2015-04-02 | 2016-11-02 | 魏伯卿 | Screw thread wheel magnetic control clutch speed changer |
| CN110464888A (en) * | 2019-08-26 | 2019-11-19 | 青岛市第三人民医院 | A kind of impermeable drainage device of portable Internal Medicine-Oncology clinic |
| CN110464888B (en) * | 2019-08-26 | 2021-11-05 | 青岛市第三人民医院 | Portable anti-seepage drainage device for clinical medical oncology |
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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 |
Granted publication date: 20140924 Termination date: 20160428 |