CN203962756U - Transmission shaft - Google Patents
Transmission shaft Download PDFInfo
- Publication number
- CN203962756U CN203962756U CN201420406253.4U CN201420406253U CN203962756U CN 203962756 U CN203962756 U CN 203962756U CN 201420406253 U CN201420406253 U CN 201420406253U CN 203962756 U CN203962756 U CN 203962756U
- Authority
- CN
- China
- Prior art keywords
- coupling shaft
- axle
- shaft
- transmission shaft
- flange yoke
- 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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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a kind of transmission shaft, comprise the first axle, the second axle, intermediate support, the first coupling shaft and the second coupling shaft; One end of described the first coupling shaft is fixedly connected with described the first axle, the other end coordinates with one end free-sliding spline of described the second coupling shaft through the bearing in described intermediate support, the other end of described the second coupling shaft is provided with the first flange yoke, one end of described the second axle is provided with the second flange yoke, and described the first flange yoke is connected by cross axle with described the second flange yoke.The first axle of the utility model transmission shaft is fixedly connected with the first coupling shaft, the first coupling shaft and the second coupling shaft free-sliding spline coordinate, the second coupling shaft and the second axle are realized Universal active by cross axle, this transmission shaft only uses a spline pair to realize transmission of power and length adjustment function, simple in structure, component are few, lightweight, and transmission efficiency is high.
Description
Technical field
The utility model belongs to vehicle transmission gear field, particularly a kind of transmission shaft.
Background technique
The transmission shaft of light truck, as depicted in figs. 1 and 2, comprises the first axle 101, the second axle 102, the first splined shaft 103, intermediate support 104, spacer flanger 105, the first flange yoke 106, cross axle 107, spline housing 108 and the second splined shaft 109.Wherein, one end of the first splined shaft 103 is fixedly connected with the first axle 101, the other end is connected with the first flange yoke 106 by spacer flanger 105 through intermediate support 104, one end of spline housing 108 is provided with the second flange yoke, the first flange yoke 106 is connected by cross axle 107 with the second flange yoke, the other end of spline housing 108 and the second splined shaft 109 spline fitted, the second axle 102 is fixedly connected with the second splined shaft 109.On this transmission shaft, be provided with two spline pairs, component are more, and structure is too complicated, also make the preponderance of transmission shaft, cause transmission efficiency not high.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of simple in structure, lightweight, transmission shaft that transmission efficiency is high.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of transmission shaft, comprises the first axle, the second axle, intermediate support, the first coupling shaft and the second coupling shaft; One end of described the first coupling shaft is fixedly connected with described the first axle, the other end coordinates with one end free-sliding spline of described the second coupling shaft through the bearing in described intermediate support, the other end of described the second coupling shaft is provided with the first flange yoke, one end of described the second axle is provided with the second flange yoke, and described the first flange yoke is connected by cross axle with described the second flange yoke.
Preferably, on described the first coupling shaft, be provided with external splines, on described the second coupling shaft, be provided with internal spline, described external splines and described internal spline are slidably matched.
Preferably, on described the first coupling shaft, be provided with internal spline, on described the second coupling shaft, be provided with external splines, described external splines and described internal spline are slidably matched.
Preferably, be positioned on described first coupling shaft of described intermediate support and be set with stuffing box gland, a side of described stuffing box gland and the side of described bearing fit.
Preferably, the one end coordinating with described the first coupling shaft free-sliding spline on described the second coupling shaft extends in described intermediate support, and the opposite side of described stuffing box gland is provided with seal ring, the outer wall of sealing circle and described the second coupling shaft formation sealing configuration that fits.
Preferably, described stuffing box gland and described the first coupling shaft interference fit.
Preferably, between described stuffing box gland and described the first coupling shaft and described the second coupling shaft, be labyrinth seal structure.
Preferably, described bearing and described the first coupling shaft interference fit.
Preferably, described the second coupling shaft and described the first flange yoke are structure as a whole.
Preferably, described the second axle and described the second flange yoke are fixed connection structure.
The first axle of the utility model transmission shaft is fixedly connected with the first coupling shaft, the first coupling shaft and the second coupling shaft spline fitted, the second coupling shaft and the second axle are realized Universal active by cross axle, this transmission shaft only uses a spline pair to realize transmission of power, simple in structure, component are few, lightweight, and transmission efficiency is high.
Brief description of the drawings
Fig. 1 is the plan view of existing transmission shaft;
Fig. 2 is the partial enlarged drawing of Fig. 1;
The plan view of the transmission shaft that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the partial enlarged drawing of Fig. 3.
In Fig. 1 and Fig. 2, reference character is: 101 first axles, 102 second axles, 103 first splined shafts, 104 intermediate support, 105 spacer flangers, 106 first flange yokes, 107 cross axles, 108 spline housings, 109 second splined shafts.
In Fig. 3 and Fig. 4, reference character is: 1 first axle, 2 second axles, 3 intermediate support, 3a bearing, 4 first coupling shafts, 5 second coupling shafts, 6 first flange yokes, 7 second flange yokes, 8 cross axles, 9 stuffing box glands, 9a seal ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Transmission shaft is the vitals of transferring power in automotive transmission, its effect be together with gearbox, ransaxle by the transmission of power of motor to wheel, make automobile produce driving force.
As shown in Figure 3, a kind of transmission shaft, comprises the first axle 1, the second axle 2, intermediate support 3, the first coupling shaft 4 and the second coupling shaft 5.Wherein, the first coupling shaft 4 is a multidiameter shaft, and its one end (in figure, being the left end of the first coupling shaft 4) is fixedly connected with the first axle 1, and the general mode that adopts welding is fixedly connected with this first coupling shaft 4 with the first axle 1.
As shown in Figure 3 and Figure 4, the other end of the first coupling shaft 4 (being the right-hand member of the first coupling shaft 4 in figure) is through the bearing 3a in intermediate support 3 and one end (being the left end of the second coupling shaft 5 in figure) spline fitted of the second coupling shaft 5.Preferably, interference fit between bearing 3a and the first coupling shaft 4, little to the strength reduction of the first coupling shaft 4 like this, the centering of the first coupling shaft 4 is also better, and bearing capacity is also higher, can also bear larger impulsive load.
A kind of embodiment, preferably, on the first coupling shaft 4, being provided with external splines makes this first coupling shaft 4 become a splined shaft, on the second coupling shaft 5, being provided with internal spline makes this second coupling shaft 5 become a spline housing, so, the first coupling shaft 4 is inserted in the second coupling shaft 5, and splined shaft and spline housing are slidably matched by external splines and internal spline.
Another kind of embodiment, preferably, on the first coupling shaft 4, being provided with internal spline makes this first coupling shaft 4 become a spline housing, on the second coupling shaft 5, being provided with external splines makes this second coupling shaft 5 become a splined shaft, so, the second coupling shaft 5 is inserted in the first coupling shaft 4, and external splines and internal spline are slidably matched.
The free-sliding spline of the first coupling shaft 4 and the second coupling shaft 5 coordinates and has two effects, and the one, be used for connecting the first axle 1 and the second axle 2, transferring power, the 2nd, coordinate the length of the whole transmission shaft of capable of regulating by free-sliding spline.
As shown in Figure 3 and Figure 4, the other end of the second coupling shaft 5 (being the right-hand member of the second coupling shaft 5 in figure) is provided with the first flange yoke 6.Preferably, the second coupling shaft 5 and the first flange yoke 6 are structure as a whole, and so, the second coupling shaft 5 and the first flange yoke 6 can one forge or casting, follow-uply carry out machining again, and integrative-structure has better mechanical property.One end (being the left end of the second axle 2 in figure) of the second axle 2 is provided with the second flange yoke 7, and preferably, the second axle 2 and the second flange yoke 7 are fixed connection structure.The first flange yoke 6 is connected by cross axle 8 with the second flange yoke 7, thereby realizes Universal active.
As shown in Figure 3 and Figure 4, preferably, be positioned on the first coupling shaft 4 of intermediate support 3 and be set with stuffing box gland 9, preferred interference fit between stuffing box gland 9 and the first coupling shaft 4, both the assembling that can guarantee the first coupling shaft 4 and intermediate support 3 is firm, can make again stuffing box gland 9 and the first coupling shaft 4 together rotate, ensure the sealing in rotation process.As shown in Figure 4, the shaft shoulder laminating on the left side of bearing 3a and the first coupling shaft 4, the right side of the left side of stuffing box gland 9 and bearing 3a fits.Further preferably, on the second coupling shaft 5, extend in intermediate support 3 with one end (being the left end of the second coupling shaft 5 in figure) of the first coupling shaft 4 spline fitted, the right side of stuffing box gland 9 is provided with a seal ring 9a, the outer wall of sealing circle 9a and the second coupling shaft 5 formation sealing configuration that fits, thereby the spline pair that the first coupling shaft 4 forms with the second coupling shaft 5 is rotatably assorted in a relative airtight space, contributes to ensure transmission efficiency.
For lift-off seal effect, stuffing box gland 9 and the first coupling shaft 4 and the second coupling shaft form labyrinth seal structure.Because labyrinth seal structure makes to have long and narrow space between seal ring and lubricating grease, without directly contact, and allow thermal expansion, make its better tightness, be applicable to the occasion of high temperature, high pressure, high speed-frequency.
The first axle 1 of this transmission shaft is fixedly connected with the first coupling shaft 4, the first coupling shaft 4 and the second coupling shaft 5 spline fitted, the second coupling shaft 5 and the second axle 2 are realized Universal active by cross axle, this transmission shaft only uses a spline pair to realize transmission of power and length regulation function, simple in structure, component are few, lightweight, and transmission efficiency is high.
In sum, content of the present utility model is not limited in the above-described embodiments, and those skilled in the art can propose other mode of execution easily according to guiding theory of the present utility model, within these mode of executions are all included in scope of the present utility model.
Claims (10)
1. a transmission shaft, comprises the first axle (1), the second axle (2) and intermediate support (3), it is characterized in that, this transmission shaft also comprises: the first coupling shaft (4) and the second coupling shaft (5); One end of described the first coupling shaft (4) is fixedly connected with described the first axle (1), the other end coordinates with one end free-sliding spline of described the second coupling shaft (5) through the bearing (3a) in described intermediate support (3), the other end of described the second coupling shaft (5) is provided with the first flange yoke (6), one end of described the second axle (2) is provided with the second flange yoke (7), and described the first flange yoke (6) is connected by cross axle (8) with described the second flange yoke (7).
2. transmission shaft according to claim 1, is characterized in that: on described the first coupling shaft (4), be provided with external splines, on described the second coupling shaft (5), be provided with internal spline, described external splines and described internal spline are slidably matched.
3. transmission shaft according to claim 1, is characterized in that: on described the first coupling shaft (4), be provided with internal spline, on described the second coupling shaft (5), be provided with external splines, described external splines and described internal spline are slidably matched.
4. transmission shaft according to claim 1, it is characterized in that: be positioned on described first coupling shaft (4) of described intermediate support (3) and be set with stuffing box gland (9), the side of a side of described stuffing box gland (9) and described bearing (3a) fits.
5. transmission shaft according to claim 4, it is characterized in that: the upper one end coordinating with described the first coupling shaft (4) free-sliding spline of described the second coupling shaft (5) extends in described intermediate support (3), the opposite side of described stuffing box gland (9) is provided with seal ring (9a), the outer wall of sealing circle (9a) and described the second coupling shaft (5) the formation sealing configuration that fits.
6. transmission shaft according to claim 5, is characterized in that: described stuffing box gland (9) and described the first coupling shaft (4) interference fit.
7. according to the transmission shaft described in claim 5 or 6, it is characterized in that: between described stuffing box gland (9) and described the first coupling shaft (4) and described the second coupling shaft (5), be labyrinth seal structure.
8. transmission shaft according to claim 1, is characterized in that: described bearing (3a) and described the first coupling shaft (4) interference fit.
9. transmission shaft according to claim 1, is characterized in that: described the second coupling shaft (5) and described the first flange yoke (6) are structure as a whole.
10. transmission shaft according to claim 1, is characterized in that: described the second axle (2) and described the second flange yoke (7) are fixed connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406253.4U CN203962756U (en) | 2014-07-22 | 2014-07-22 | Transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406253.4U CN203962756U (en) | 2014-07-22 | 2014-07-22 | Transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962756U true CN203962756U (en) | 2014-11-26 |
Family
ID=51923343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406253.4U Expired - Fee Related CN203962756U (en) | 2014-07-22 | 2014-07-22 | Transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088921A (en) * | 2014-07-22 | 2014-10-08 | 安徽江淮汽车股份有限公司 | Transmission shaft |
| CN107269727A (en) * | 2017-08-11 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle transmission axle construction |
| CN107795588A (en) * | 2017-10-12 | 2018-03-13 | 安徽江淮汽车集团股份有限公司 | Power transmission shaft intermediate support |
-
2014
- 2014-07-22 CN CN201420406253.4U patent/CN203962756U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088921A (en) * | 2014-07-22 | 2014-10-08 | 安徽江淮汽车股份有限公司 | Transmission shaft |
| CN107269727A (en) * | 2017-08-11 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle transmission axle construction |
| CN107795588A (en) * | 2017-10-12 | 2018-03-13 | 安徽江淮汽车集团股份有限公司 | Power transmission shaft intermediate support |
| CN107795588B (en) * | 2017-10-12 | 2019-03-26 | 安徽江淮汽车集团股份有限公司 | Transmission shaft intermediate support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20190722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |