CN204344730U - A kind of light card driving-shaft assembly - Google Patents
A kind of light card driving-shaft assembly Download PDFInfo
- Publication number
- CN204344730U CN204344730U CN201420830246.7U CN201420830246U CN204344730U CN 204344730 U CN204344730 U CN 204344730U CN 201420830246 U CN201420830246 U CN 201420830246U CN 204344730 U CN204344730 U CN 204344730U
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- CN
- China
- Prior art keywords
- universal joint
- propeller shaft
- rear axle
- double cardan
- axle propeller
- 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)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a kind of light card driving-shaft assembly, includes the first universal joint, central siphon, intermediate support, double cardan universal joint, rear axle propeller shaft spline, rear axle propeller shaft, the second universal joint; One end of described central siphon is connected with described first universal joint, and the other end is connected with one end of described double cardan universal joint; The other end of double cardan universal joint is connected with one end of rear axle propeller shaft; The other end of rear axle propeller shaft is connected with the second universal joint; Intermediate support penetrates in central siphon; Rear axle propeller shaft spline is arranged on rear axle propeller shaft; First universal joint, the second universal joint and double cardan universal joint have included cross assembly; Cross assembly and intermediate support are non-maintaining structure.The application, by the improvement to cross axle structure, makes transmission shaft have high bearing torque, high reliability, non-maintaining, high temperature resistant, good sealability and superior dynamic balance performance.
Description
Technical field
The utility model belongs to car transmissions field, specifically refers to a kind of light card driving-shaft assembly.
Background technique
Transmission shaft is between gearbox and back axle, and the engine power after transforming through gearbox is inputed to back axle.In vehicle traveling process, because the factors such as the vibrations of motor and the impact on road surface cause the vibrations of elastic suspension system, the input shaft relative position of the output shaft of speed changer and ransaxle is often changed, commercial car adopts nonconstant velocity universal joint transmission shaft to connect usually, light card transmission shaft is generally two-section, what be connected with gearbox is intermediate transmission axle assembly, and what be connected with back axle is rear axle drive axle assembly.
Existing transmission shaft as shown in Figures 1 to 5, is generally made up of flange yoke 1, weld yoke 2, central siphon 3, intermediate support assembly 4, cross assembly 5, free-sliding spline and flip sleeve assembly 6.
Conventional maintenance type cross assembly, as shown in Figures 2 and 3, axle sleeve 7 adopts cold extrusion shaped, needle roller 8 is cylinder type, and in cross assembly, needle roller is fragile part, has requirement due to cold extrusion shaped for axle sleeve wall thickness, what cause needle roller 8 not do is too large, wears no resistance, causes bearing capacity poor.
Existing transmission shaft adopts regularly by being arranged at fuel filler neck 9 charging-up lubricant oil of cross assembly, as shown in Figure 2, to axle sleeve and the bearing needle lubrication of cross assembly, simultaneously, intermediate support assembly also needs to be lubricated by fuel filler neck charging-up lubricant oil, the free-sliding spline surface of existing technology without coating layer, and is bolted together with transmission shaft.
Conventional maintenance type cross assembly is with WGC-2 grease (gear grease), and normal serviceability temperature is no more than 90 °.
Conventional maintenance type cross assembly, needs regular charging-up lubricant oil, and vehicle need be equipped with butter filler rifle; Use inconvenience; As shown in Figure 4, traditional transmission shaft also includes intermediate propeller shaft 10 and rear axle propeller shaft 11; Intermediate propeller shaft 10 is connected by bolt 12 with rear axle propeller shaft 11; Intermediate support assembly 4 is provided with fuel filler neck 42, its inner employing plain bearing 41, need charging-up lubricant oil in using process, need periodic maintenance, sealability is poor, the transmission shaft whole dynamic balance poor-performing connected by bolt 12.
Model utility content
The purpose of this utility model is that the transmission shaft prepared by the technical program has high bearing torque, high reliability, non-maintaining, high temperature resistant, good sealability and superior dynamic balance performance by proposing improvement opportunity scheme to existing driving-shaft assembly.
The utility model is achieved through the following technical solutions:
A kind of light card driving-shaft assembly, includes the first universal joint, central siphon, intermediate support, double cardan universal joint, rear axle propeller shaft spline, rear axle propeller shaft, the second universal joint; One end of described central siphon is connected with described first universal joint, and the other end is connected with one end of described double cardan universal joint; The other end of described double cardan universal joint is connected with one end of described rear axle propeller shaft; The other end of described rear axle propeller shaft is connected with described second universal joint; Described intermediate support penetrates in described central siphon; Described rear axle propeller shaft spline is arranged on described rear axle propeller shaft;
Described first universal joint, described second universal joint and described double cardan universal joint have included cross assembly;
Described cross assembly includes cross axle body, axle sleeve, needle roller and wear-resistant gasket;
Described axle sleeve is the cylindrical structure that one end is closed; Described wear-resistant gasket is arranged on the bottom surface of described axle sleeve; Described needle roller is arranged on the sidewall of described axle sleeve; Described needle roller is convexity needle roller.
Described axle sleeve and described cross axle body joint are provided with oil sealing.
Described intermediate support includes housing and spring bearing.
One end that described central siphon is connected with described double cardan universal joint is provided with intermediate propeller shaft spline structure; Described intermediate propeller shaft spline structure is connected with described double cardan universal joint.
One end that described rear axle propeller shaft is connected with described double cardan universal joint is provided with rear axle propeller shaft flange yoke; Institute's rear axle propeller shaft flange yoke is connected by locking nut with described double cardan universal joint.
The outer surface of described rear axle propeller shaft spline is provided with nylon coated layer.
The beneficial effects of the utility model are:
The application, by using non-maintaining structure to the improvement of cross axle structure and intermediate support, makes the transmission shaft after improving have high bearing torque, high reliability, non-maintaining, high temperature resistant, good sealability and superior dynamic balance performance.
By being provided with nylon coated layer at the outer surface of rear axle propeller shaft spline, enhance the wear-resisting property of transmission shaft.
Accompanying drawing explanation
Fig. 1 is existing technology driving-shaft assembly structural representation;
Fig. 2 is existing technology cross assembly structural representation;
Fig. 3 is the axle sleeve structure schematic diagram of existing technology cross axle;
Fig. 4 is existing technology intermediate support assembly and transmission shaft connecting structure schematic diagram;
Fig. 5 is existing technology intermediate support assembly and transmission shaft connection perspective view;
Fig. 6 is the utility model cross axle structure schematic diagram;
Fig. 7 is the axle sleeve structure schematic diagram of the utility model cross axle;
Fig. 8 is the utility model intermediate support and transmission shaft connecting structure schematic diagram;
Fig. 9 is that the utility model intermediate support and transmission shaft connect perspective view;
Figure 10 is the utility model transmission shaft front view.
Description of reference numerals
1 flange yoke, 2 weld yokes, 3 central siphons, 4 intermediate support assemblies, 5 cross assemblys, 6 free-sliding splines and flip sleeve assembly, 7 axle sleeves, 8 needle rollers, 9 oil nozzles, 10 intermediate propeller shafts, 11 rear axle propeller shafts, 12 bolts, 101 double cardan universal joints, 102 axle sleeves, 103 central siphons, 104 spring bearings, 105 intermediate support, 106 intermediate propeller shaft spline structures, 107 locking nuts, 108 rear axle propeller shafts, 109 rear axle propeller shaft splines, 110 first universal joints, 111 second universal joints, 112 cross axle bodies, 1021 needle rollers, 1022 wear plates, 1023 oil sealings.
Embodiment
Describe the technical solution of the utility model in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and the technical solution of the utility model being described, and can not be interpreted as it is restriction to technical solutions of the utility model.
As shown in Fig. 6 to Figure 10, the utility model provides a kind of light card driving-shaft assembly, includes the first universal joint 110, central siphon 103, intermediate support 105, double cardan universal joint 101, rear axle propeller shaft spline 109, rear axle propeller shaft 108, second universal joint 111; One end of described central siphon 103 is connected with described first universal joint 110, and the other end is connected with one end of described double cardan universal joint 101; The other end of described double cardan universal joint 101 is connected with one end of described rear axle propeller shaft 108; The other end of described rear axle propeller shaft 108 is connected with described second universal joint 111.
Described intermediate support 105 penetrates in described central siphon 103, and in the present embodiment, intermediate support 105 is non-maintaining structure; Described intermediate support 105 includes housing and spring bearing 104; Described spring bearing 104 is non-maintaining bearing; Described rear axle propeller shaft spline 109 is arranged on described rear axle propeller shaft 108.
One end that described central siphon 103 is connected with described double cardan universal joint 101 is provided with intermediate propeller shaft spline structure 106; Described intermediate propeller shaft spline structure 106 is connected with described double cardan universal joint 101.
One end that described rear axle propeller shaft 108 is connected with described double cardan universal joint 101 is provided with rear axle propeller shaft flange yoke; Institute's rear axle propeller shaft flange yoke is connected by locking nut 107 with described double cardan universal joint 101.
In the present embodiment, transmission shaft adopts double structure, two of existing technology central siphons are directly improved to a central siphon, the flange yoke being intermediate propeller shaft by the simply connected structure of existing technology is connected with the flange yoke of rear axle propeller shaft by bolt, be improved to rear axle propeller shaft flange yoke to be directly connected with intermediate propeller shaft spline structure by a large locking nut, alleviate weight, reduce cost, and increase dynamic balance performance.
Described first universal joint 110, described second universal joint 111 and described double cardan universal joint 101 have included cross assembly;
Described cross assembly includes cross axle body 112, axle sleeve 102, needle roller 1021 and wear-resistant gasket 1022; The cylindrical structure that described axle sleeve 102 is closed for one end; Described wear-resistant gasket 1022 is arranged on the bottom surface of described axle sleeve 102; Described needle roller 1021 is arranged on the sidewall of described axle sleeve 102; Described needle roller 1021 is convexity needle roller.At described axle sleeve 102, described cross axle body 112 joint is provided with oil sealing 1023.
The axle sleeve of the present embodiment adopts steel plate punched, can effectively reduce axle sleeve wall thickness, increases needle roller diameter, improves needle roller wear resistance and reliability; The common cylinder needle roller that existing technology uses, intermediate stress is little, and two lateral stresses are large, and improve cross assembly and adopt convexity needle roller, mid diameter is large, and both sides diameter is little, removes the part that needle roller upper stress is large, and increases wear-resistant gasket, improves needle roller reliability;
And adopt the more superior oil sealing of performance, oil seal lip quantity by 2 be increased to 3 and more than, increase sealability, the Mobil high temperature-resistant grease that performance of simultaneously annotating is more excellent, improve the usability of serviceability temperature and lubricating grease, to sum up realize the non-maintaining of cross assembly, remove fuel filler neck.
By the optimization to cross assembly, the bearing torque ability of cross assembly improves 20%, and then improves the bearing torque ability of transmission shaft, and the wear-resisting and reliability trial time rises to 80h by 50h, uses maximum temperature to rise to 130 ° by 90 °.
The outer surface of described rear axle propeller shaft spline 109 is provided with nylon coated layer, increases wear-resisting property and reliability.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalency thereof.
Claims (6)
1. a light card driving-shaft assembly, is characterized in that: include the first universal joint, central siphon, intermediate support, double cardan universal joint, rear axle propeller shaft spline, rear axle propeller shaft, the second universal joint; One end of described central siphon is connected with described first universal joint, and the other end is connected with one end of described double cardan universal joint; The other end of described double cardan universal joint is connected with one end of described rear axle propeller shaft; The other end of described rear axle propeller shaft is connected with described second universal joint; Described intermediate support penetrates in described central siphon; Described rear axle propeller shaft spline is arranged on described rear axle propeller shaft;
Described first universal joint, described second universal joint and described double cardan universal joint have included cross assembly;
Described cross assembly includes cross axle body, axle sleeve, needle roller and wear-resistant gasket;
Described axle sleeve is the cylindrical structure that one end is closed; Described wear-resistant gasket is arranged on the bottom surface of described axle sleeve; Described needle roller is arranged on the sidewall of described axle sleeve; Described needle roller is convexity needle roller.
2. light card driving-shaft assembly according to claim 1, is characterized in that: described axle sleeve and described cross axle body joint are provided with oil sealing.
3. light card driving-shaft assembly according to claim 1, is characterized in that: described intermediate support includes housing and spring bearing.
4. light card driving-shaft assembly according to claim 1, is characterized in that: one end that described central siphon is connected with described double cardan universal joint is provided with intermediate propeller shaft spline structure; Described intermediate propeller shaft spline structure is connected with described double cardan universal joint.
5. light card driving-shaft assembly according to claim 1, is characterized in that: one end that described rear axle propeller shaft is connected with described double cardan universal joint is provided with rear axle propeller shaft flange yoke; Institute's rear axle propeller shaft flange yoke is connected by locking nut with described double cardan universal joint.
6. light card driving-shaft assembly according to claim 1, is characterized in that: the outer surface of described rear axle propeller shaft spline is provided with nylon coated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830246.7U CN204344730U (en) | 2014-12-23 | 2014-12-23 | A kind of light card driving-shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830246.7U CN204344730U (en) | 2014-12-23 | 2014-12-23 | A kind of light card driving-shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344730U true CN204344730U (en) | 2015-05-20 |
Family
ID=53228001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420830246.7U Expired - Fee Related CN204344730U (en) | 2014-12-23 | 2014-12-23 | A kind of light card driving-shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110869631A (en) * | 2017-04-25 | 2020-03-06 | 株式会社昭和 | Cross joint and transmission shaft |
-
2014
- 2014-12-23 CN CN201420830246.7U patent/CN204344730U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110869631A (en) * | 2017-04-25 | 2020-03-06 | 株式会社昭和 | Cross joint and transmission shaft |
| CN110869631B (en) * | 2017-04-25 | 2021-09-14 | 株式会社昭和 | Universal joint and transmission shaft |
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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: 20150520 Termination date: 20191223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |