CN203892398U - Drive damping device and drive shafts - Google Patents
Drive damping device and drive shafts Download PDFInfo
- Publication number
- CN203892398U CN203892398U CN201420289923.9U CN201420289923U CN203892398U CN 203892398 U CN203892398 U CN 203892398U CN 201420289923 U CN201420289923 U CN 201420289923U CN 203892398 U CN203892398 U CN 203892398U
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- spline tooth
- pedestal
- length
- driving component
- damping device
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Abstract
The utility model discloses a drive damping device. The drive damping device comprises a first spline tooth for being connected with a first drive shaft and a second spline tooth for being connected with a second drive shaft. The end face of the first spline tooth and the end face of the second spline tooth are respectively provided with a plurality of installing grooves corresponding to one another in position, drive pieces and elastic elements are arranged in the multiple installing grooves, the drive pieces are sleeved with the corresponding elastic elements, and the length of the drive pieces is smaller than that of the installing grooves. The first spline tooth and the second spline tooth can coaxially move, the first spline tooth is stressed to be twisted relative to the second spline tooth, and the first spline tooth can transmit twisting force to the second spline tooth through the drive pieces and the elastic elements respectively. The utility model further discloses the drive shafts. By means of the drive damping device and the drive shafts, impact between drive parts can be effectively reduced, comfort is improved, and the service life of the drive parts is prolonged.
Description
Technical field
The utility model relates to transmission shaft technical field, relates in particular to a kind of transmission damping device and transmission shaft.
Background technique
Transmission shaft and live axle are one of important component of automobile.The power of motor relies on the component such as transmission shaft, live axle, spline can be passed to wheel, in order to drive automobile running.In the kind of drive of existing transmission shaft, only use single spline to transmit power, there is following technical problem in it: because transmission shaft is rigidity, therefore by transmission shaft by transmission of power to gear, when the component such as spline, can produce impact, the working life that affects travelling comfort and reduce the component such as gear.
At present, along with the development of engine technology, the power of motor and moment of torsion all significantly promote, and this further strengthens the impact between gear.Therefore, be necessary to design damper mechanism on transmission shaft, to improve working life of riding comfort and component of vehicle.
Model utility content
Technical problem to be solved in the utility model is, a kind of transmission damping device and transmission shaft are provided, and effectively reduces the impact between transmission component, improves the working life of travelling comfort and transmission component.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of transmission damping device, comprise: in order to connect the first spline tooth of the first transmission shaft and the second spline tooth in order to be connected second driving shaft, on the end face of the first spline tooth and the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in multiple mounting grooves, be provided with driving component and elastic element, elastic element is set in the outside of driving component, the length of driving component is less than the length of mounting groove, wherein: the first spline tooth and the second spline tooth can coaxially move, stressed relative the second spline tooth of the first spline tooth reverses, it can reach warping force on the second spline tooth by driving component and elastic element respectively.
Wherein, driving component is straight pin, and elastic element is spring.
Wherein, the length of spring is greater than the length of straight pin.
Wherein, the length of spring is less than the length of mounting groove.
Wherein, the first spline tooth comprises the first pedestal, is convexly equipped with external splines portion and the convex axle in the first pedestal two side ends respectively; The second spline tooth comprises in a side of the second pedestal, the second pedestal and is concaved with the positioning chamber suitable with the convex axle of the first pedestal, and the relative opposite side of the second pedestal is provided with external splines portion.
Wherein, multiple mounting grooves are equidistantly evenly opened in respectively on the end face of the first pedestal and the second pedestal.
Wherein, convex axle is provided with in order to the second spline tooth is carried out to spacing clip on the axial direction with respect to the first spline tooth.
For solving the problems of the technologies described above, the utility model also provides a kind of transmission shaft, comprising: the first transmission shaft, the first spline tooth, the second spline tooth and second driving shaft, and the first transmission shaft is connected with the first spline tooth, and the second spline tooth is connected with second driving shaft; On the end face of the first spline tooth and the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in multiple mounting grooves, be provided with driving component and elastic element, elastic element is set in the outside of driving component, the length of driving component is less than the length of mounting groove, wherein: the first spline tooth and the second spline tooth can coaxially move, stressed relative the second spline tooth of the first spline tooth reverses, and it can reach warping force on the second spline tooth by driving component and elastic element respectively.
Wherein, driving component is straight pin, and elastic element is spring, and the length of spring is greater than the length of straight pin and is less than the length of mounting groove.
Wherein, the first spline tooth comprises the first pedestal, is convexly equipped with external splines portion and the convex axle in the first pedestal two side ends respectively; The second spline tooth comprises in a side of the second pedestal, the second pedestal and is concaved with the positioning chamber suitable with the convex axle of the first pedestal, the relative opposite side of the second pedestal is provided with external splines portion, and multiple mounting grooves are equidistantly evenly opened in respectively on the end face of the first pedestal and the second pedestal; Convex axle is provided with in order to the second spline tooth is carried out to spacing clip on the axial direction with respect to the first spline tooth.
Transmission damping device provided by the utility model and transmission shaft, there is following beneficial effect: on the end face due to the first spline tooth and the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in multiple mounting grooves, be provided with driving component and elastic element, elastic element is set in the outside of driving component, wherein, stressed relative the second spline tooth of the first spline tooth reverses, it can change the relative position between multiple mounting grooves on two spline tooths, and can by driving component and elastic element, warping force be reached on the second spline tooth respectively.By the structure of installing driving component and elastic element in two spline tooths and multiple mounting grooves is thereon set, make elastic element in transmittance process, play the effect of buffering, can effectively reduce the impact between transmission component, improve the working life of travelling comfort and transmission component.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the sectional structure schematic diagram after the utility model embodiment transmission damping device the first spline tooth and the assembling of the second spline tooth.
Fig. 2 is the side-looking structural representation of the first spline tooth of the utility model embodiment transmission damping device.
Fig. 3 is the plan structure schematic diagram of the first spline tooth of the utility model embodiment transmission damping device.
Fig. 4 is the side-looking TV structure schematic diagram of the second spline tooth of the utility model embodiment transmission damping device.
Fig. 5 is the plan structure schematic diagram of the second spline tooth of the utility model embodiment transmission damping device.
Fig. 6 is the structural representation of the clip of the utility model embodiment transmission damping device.
Fig. 7 is the structural representation after the straight pin of the utility model embodiment transmission damping device and spring assembling.
Fig. 8 is the structural representation of the utility model embodiment transmission shaft.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1-Fig. 7 is the embodiment one of the utility model transmission damping device.
Referring to Fig. 1, transmission damping device in the present embodiment comprises: in order to connect the first spline tooth 1 of the first transmission shaft and the second spline tooth 2 in order to be connected second driving shaft, on end face 1a, the 2a of the first spline tooth 1 and the second spline tooth 2, offer respectively the corresponding multiple mounting grooves in position 11,21, in multiple mounting grooves 11,21, be provided with driving component 3 and elastic element 4, elastic element 4 is set in the outside of driving component 3, the length of driving component 3 is less than the length of mounting groove 11,21, wherein:
The first spline tooth 1 and the second spline tooth 2 can coaxially move, and stressed relative the second spline tooth 2 of the first spline tooth 1 reverses, and it can reach warping force on the second spline tooth by driving component 3 and elastic element 4 respectively.
When concrete enforcement: as shown in Figure 2, the first spline tooth 1 comprises the first pedestal 10, is convexly equipped with external splines portion 12 and the convex axle 13 in the first pedestal 10 two side ends respectively.Wherein, the first pedestal 10 is cylindric, and external splines portion 12 and convex axle 13 are respectively from the outwardly setting in middle part of the first pedestal 10 both sides.
External splines portion 12 is located at left side as shown in Figure 2, and its external diameter is less than the external diameter of the first pedestal 10, and external splines portion 12 is for connecting shown in first transmission shaft 8(Fig. 8).When enforcement, on the first transmission shaft 8, there is the spline suitable with external splines portion 12 sizes.After assembling, the first transmission shaft 8 can with the first spline tooth 1 coaxial rotation.Like this, in the time of the stressed rotation of the first transmission shaft 8, the first spline tooth 1 can link with the first transmission shaft 8.In the present embodiment, on a side end face 1a of the first pedestal 10, equidistantly offer four mounting grooves 11, this mounting groove 11 is cubic, as shown in Figure 3.
Convex axle 13 is located at right side as shown in Figure 2, and its external diameter is less than the external diameter of external splines portion 12, and convex axle 13, for connecting the second spline tooth 2, specifically assembles the following explanation of mode.
Further, as shown in Figure 4, the second spline tooth 2 comprises that the relative opposite side that is concaved with positioning chamber 22, the second pedestals 20 suitable with the convex axle 13 of the first pedestal 10 in a side of the second pedestal 20, the second pedestal 20 is provided with external splines portion 23.Wherein, the second pedestal 20 is cylindric, and external splines portion 23 is from the outwardly setting in middle part on right side as shown in Figure 4 of the second pedestal 20, and positioning chamber 22 indents are located at the second pedestal 20 middle part in left side as shown in Figure 4.
External splines portion 23 is in order to connect second driving shaft 9(as shown in Figure 8).When concrete enforcement, on second driving shaft 9, there is the spline suitable with external splines portion 23 sizes.After assembling, second driving shaft 9 can with second driving shaft 9 coaxial rotation.Like this, in the time that the first spline tooth 1 and the first transmission shaft 8 link, because the first spline tooth 1 is connected with the second spline tooth 2, just warping force can be reached on second driving shaft 9.
The first spline tooth 1 assembles by following structure with the second spline tooth 2: on a side end face 2a of the second pedestal 20, offer shape and structure and four four mounting grooves 21 that mounting groove 11 structure shapes are identical on the first spline tooth 1, as shown in Figure 5.When the end face 2a of the second spline tooth 2 is during towards the end face 1a of the first spline tooth 1 assembling, convex axle 13 adaptations are plugged in positioning chamber 22.Now, four of the first spline tooth 1 mounting grooves 11 can dock with four mounting grooves 21 of the second spline tooth 2 respectively and form one in order to place the cavity (mounting groove 11,21) of driving component 3.
Preferably, driving component 3 is a straight pin.
Preferably, convex axle 13 is provided with in order to the second spline tooth 2 is carried out to spacing clip 5 on the axial direction with respect to the first spline tooth 1.Referring to Fig. 6, clip 5, for having the ring that holds of an opening, while specifically enforcement, can be offered a line of rabbet joint (not shown) on the end face of convex axle 13, after convex axle 13 adaptations are plugged in positioning chamber 22, just clip 5 can be contained in this line of rabbet joint.Like this, clip 5 just can stop two spline tooths 1,2 to separate at axial direction, realizes can coaxially moving of two spline tooths 1,2.
The first spline tooth 1 is in transmission connection by following structure with the second spline tooth 2: owing to being placed with respectively driving component 3 in the corresponding mounting groove 11,21 in above-mentioned position.Like this, when just can warping force being reached on the second spline tooth 2 by driving component 3 after the stressed torsion several angle of the first spline tooth 1.
Be understandable that, shape and position that the upper correspondence of side end face 2a of the side end face 1a of the first spline tooth 1 and the second spline tooth 2 is offered mounting groove 11,21 are not limited to above-mentioned mode of execution, it can be adjusted according to actual needs, for example cylindrical mounting groove 11,21 after equidistant three docking of arranging.The end face 1a, the 2a that mounting groove 11,21 are equidistantly opened in to the first spline tooth 1 and the second spline tooth 2 are upper, are that the transmission for ensureing power between two spline tooths is more even, the assembling of being also more convenient for.
Preferred embodiment, the driving component 3(straight pin being provided with in multiple mounting grooves 11,21) length be less than the length of mounting groove.Further, can also be at the outside of straight pin sheathed elastic element 4(spring), the length of elastic element 4 is greater than the length of straight pin.Further, the length setting of elastic element 4 can also be less than to the length of mounting groove 11,21, specifically refer to Fig. 7.
The following embodiment according to transmission damping device in the present embodiment illustrates the concrete effect that above-mentioned length arranges: engine power passes to the first spline tooth 1, the first spline tooth 1 through the first transmission shaft 8 will synchronize with the first transmission shaft 8 rotation.Further, the rotation of the first spline tooth 1 changes the relative position that makes mounting groove 11,21 between the first spline tooth 1 and the second spline tooth 2, and the length between it reduces, but the length of mounting groove 11,21 is still greater than the length of spring.Because the length of the Length Ratio straight pin of spring is long, in the time that the rotation angle of the first spline tooth 1 strengthens, spring is and then compressed, and the elastic force of spring makes the stressed rotation of the second spline tooth 2.
Along with the increase of amount of spring compression, the spring force that the second spline tooth 2 is received is also larger.In the time that the reduction length of spring is the same with the length of straight pin, namely the length of the mounting groove 11,21 between the first spline tooth 1 and the second spline tooth 2 equals driving component 3(straight pin) length time, due to the position-limiting action of straight pin, spring is no longer compressed, the first spline tooth 1 and the second spline tooth 2 are rigidly connected, and the first spline tooth 1 and the second spline tooth 2 synchronously rotate under the effect of straight pin.The second spline tooth 2 is connected with second driving shaft 9 by spline, and power is passed to second driving shaft 9 from the second spline tooth 2.
Hence one can see that, by the length of the mounting groove connecting 11,21, driving component 3 and elastic element 4 is made as to difference, can bring into play the buffer function of each component in the power of transmission process.
Referring to Fig. 8, the invention also discloses a kind of transmission shaft, this transmission shaft comprises: the first transmission shaft 8, the first spline tooth 1, the second spline tooth 2 and second driving shaft 9, the first transmission shafts 8 are connected with the first spline tooth 1, and the second spline tooth 2 is connected with second driving shaft 9.Wherein, the first spline tooth 1 is identical with the assembling mode of above-mentioned two spline tooths with the assembling mode of the second spline tooth 2, and its embodiment is identical with the mode of execution of above-mentioned transmission damping device, repeats no more.Meanwhile, above-mentioned transmission shaft of the present utility model is also adapted in other dirivig members such as live axle.
Transmission damping device of the present utility model and transmission shaft, there is following beneficial effect: on the end face due to the first spline tooth and the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in multiple mounting grooves, be provided with driving component and elastic element, elastic element is set in the outside of driving component, wherein, stressed relative the second spline tooth of the first spline tooth reverses, it can change the relative position between multiple mounting grooves on two spline tooths, and can by driving component and elastic element, warping force be reached on the second spline tooth respectively.By the structure of installing driving component and elastic element in two spline tooths and multiple mounting grooves is thereon set, make elastic element in transmittance process, play the effect of buffering, can effectively reduce the impact between transmission component, improve the working life of travelling comfort and transmission component.
Claims (10)
1. a transmission damping device, is characterized in that, comprising:
In order to connect the first spline tooth of the first transmission shaft and the second spline tooth in order to be connected second driving shaft, on the end face of described the first spline tooth and described the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in described multiple mounting grooves, be provided with driving component and elastic element, described elastic element is set in the outside of described driving component, the length of described driving component is less than the length of described mounting groove, wherein:
Described the first spline tooth and described the second spline tooth can coaxially move, and stressed relatively described the second spline tooth of described the first spline tooth reverses, and it can reach warping force on described the second spline tooth by described driving component and described elastic element respectively.
2. transmission damping device as claimed in claim 1, is characterized in that, described driving component is straight pin, and described elastic element is spring.
3. transmission damping device as claimed in claim 2, is characterized in that, the length of described spring is greater than the length of described straight pin.
4. transmission damping device as claimed in claim 3, is characterized in that, the length of described spring is less than the length of described mounting groove.
5. the transmission damping device as described in claim 2-4 any one, is characterized in that, described the first spline tooth comprises the first pedestal, is convexly equipped with external splines portion and the convex axle in described the first pedestal two side ends respectively; Described the second spline tooth comprises in a side of the second pedestal, described the second pedestal and is concaved with the positioning chamber suitable with the described convex axle of described the first pedestal, and the relative opposite side of described the second pedestal is provided with external splines portion.
6. transmission damping device as claimed in claim 5, is characterized in that, described multiple mounting grooves are equidistantly evenly opened in respectively on the end face of described the first pedestal and described the second pedestal.
7. transmission damping device as claimed in claim 5, is characterized in that, described convex axle is provided with in order to described the second spline tooth is carried out to spacing clip on the axial direction with respect to described the first spline tooth.
8. a transmission shaft, is characterized in that, comprising: the first transmission shaft, the first spline tooth, the second spline tooth and second driving shaft, and described the first transmission shaft is connected with the first spline tooth, and described the second spline tooth is connected with described second driving shaft;
On the end face of described the first spline tooth and described the second spline tooth, offer respectively the corresponding multiple mounting grooves in position, in described multiple mounting grooves, be provided with driving component and elastic element, described elastic element is set in the outside of described driving component, the length of described driving component is less than the length of described mounting groove, wherein:
Described the first spline tooth and described the second spline tooth can coaxially move, and stressed relatively described the second spline tooth of described the first spline tooth reverses, and it can reach warping force on described the second spline tooth by described driving component and described elastic element respectively.
9. transmission shaft as claimed in claim 8, is characterized in that, described driving component is straight pin, and described elastic element is spring, and the length of described spring is greater than the length of described straight pin and is less than the length of described mounting groove.
10. transmission shaft as claimed in claim 8 or 9, is characterized in that, described the first spline tooth comprises the first pedestal, is convexly equipped with external splines portion and the convex axle in described the first pedestal two side ends respectively; Described the second spline tooth comprises in a side of the second pedestal, described the second pedestal and is concaved with the positioning chamber suitable with the described convex axle of described the first pedestal, the relative opposite side of described the second pedestal is provided with external splines portion, and described multiple mounting grooves are equidistantly evenly opened in respectively on the end face of described the first pedestal and described the second pedestal;
Described convex axle is provided with in order to described the second spline tooth is carried out to spacing clip on the axial direction with respect to described the first spline tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289923.9U CN203892398U (en) | 2014-06-03 | 2014-06-03 | Drive damping device and drive shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289923.9U CN203892398U (en) | 2014-06-03 | 2014-06-03 | Drive damping device and drive shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892398U true CN203892398U (en) | 2014-10-22 |
Family
ID=51718806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420289923.9U Expired - Fee Related CN203892398U (en) | 2014-06-03 | 2014-06-03 | Drive damping device and drive shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681538A (en) * | 2019-01-22 | 2019-04-26 | 浙江正泰新能源开发有限公司 | Tracker transmission shaft connecting structure |
| CN112313428A (en) * | 2018-06-12 | 2021-02-02 | 宝马股份公司 | Output shaft of vehicle |
-
2014
- 2014-06-03 CN CN201420289923.9U patent/CN203892398U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112313428A (en) * | 2018-06-12 | 2021-02-02 | 宝马股份公司 | Output shaft of vehicle |
| US11959528B2 (en) | 2018-06-12 | 2024-04-16 | Bayerische Motoren Werke Aktiengesellschaft | Output shaft of a vehicle |
| CN109681538A (en) * | 2019-01-22 | 2019-04-26 | 浙江正泰新能源开发有限公司 | Tracker transmission shaft connecting structure |
| CN109681538B (en) * | 2019-01-22 | 2024-04-19 | 浙江正泰新能源开发有限公司 | Tracker transmission shaft connection structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20210603 |