CN201914027U - Rear axle housing for lightweight car - Google Patents
Rear axle housing for lightweight car Download PDFInfo
- Publication number
- CN201914027U CN201914027U CN2011200397982U CN201120039798U CN201914027U CN 201914027 U CN201914027 U CN 201914027U CN 2011200397982 U CN2011200397982 U CN 2011200397982U CN 201120039798 U CN201120039798 U CN 201120039798U CN 201914027 U CN201914027 U CN 201914027U
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- Prior art keywords
- mounting hole
- hole
- axle
- tube assembly
- external part
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- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model discloses an automobile rear axle housing, in particular to a rear axle housing for a lightweight car, and belongs to the technical field of automobile production. The rear axle housing for the lightweight car has a low risk of deformation and a high structural strength, and is not liable to be damaged during the use. The rear axle housing for the lightweight car comprises a half-axle sleeve assembly and a speed reducer housing assembly, wherein the half-axle sleeve assembly and the speed reducer housing assembly are connected through a press mounting structure.
Description
Technical field
The utility model relates to a kind of vehicle rear-axle housing, especially relates to a kind of rear-axle casing of lilliput car, belongs to car production manufacturing technology field.
Background technology
At present, the rear-axle casing of China's lilliput car generally adopts is the welding rear-axle casing, promptly constitutes to adopt between the axle tube assembly of rear-axle casing and the reducing gearbox assembly to be welded to connect.The distortion of the rear-axle casing of this welding fabrication is big especially, and the welding back has the very big thermal stress zone of influence near weld seam, add phenomenons such as also occurring rosin joint, leakage weldering in the welding process easily, thereby cause the axle tube assembly of rear-axle casing and the strength reduction of reducing gearbox assembly weld, and in use, the place of being welded to connect is again the bigger zone of stress, like this, if undercapacity in use just is easy to destroyed in the place of being welded to connect.
The utility model content
Technical problem to be solved in the utility model is: provide that a kind of distortion is little, structural strength good, be not easy ruined lilliput car rear-axle casing in the use.
The technical scheme that adopts for solving the problems of the technologies described above is: a kind of lilliput car rear-axle casing, comprise axle tube assembly and reducing gearbox assembly, and be connected by press mounting structure between axle tube assembly and the reducing gearbox assembly.
Further be, have one on the axle tube assembly external part is installed, the position that the axle tube assembly is installed in the both sides of reducing gearbox assembly is provided with internal diameter and the suitable mounting hole of axle tube assembly installation external part external diameter, described press mounting structure constitutes by external part and mounting hole are installed, and the installation external part of axle tube assembly is fitted in the mounting hole of reducing gearbox assembly.
The optimal way of such scheme is that installing between external part and the mounting hole is the interference mounting structure.
The optimal way of such scheme is that installing between external part and the mounting hole is the transition mounting structure, is provided with the welding fixed sturcture in the mounting hole end with the joint that external part is installed.
Further be that the sidewall that external part is installed is provided with interior knock hole, is provided with the outside fix hole with interior position of positioning hole corresponding position on the sidewall of mounting hole, is provided with locating dowel pin in interior knock hole and outside fix hole.
Further be, the axle tube assembly has an installation end, installation end is provided with the semiaxis mounting hole, the position that the axle tube assembly is installed in reducing gearbox assembly both sides is provided with external diameter and the suitable installation projection of semiaxis mounting hole internal diameter, described press mounting structure is made of semiaxis mounting hole and installation projection, and semiaxis mounting hole gland is being installed on the projection.
The optimal way of such scheme is that installing between projection and the semiaxis mounting hole is the interference mounting structure.
The optimal way of such scheme is that installing between projection and the semiaxis mounting hole is the transition mounting structure, is provided with the welding fixed sturcture in the end of semiaxis mounting hole and the joint of installation projection.
Further be, the sidewall of semiaxis mounting hole is provided with the outside fix hole, is provided with interior knock hole with corresponding position, outside fix hole site on the sidewall that projection is installed, and is provided with locating dowel pin in knock hole and the interior knock hole outside.
The beneficial effects of the utility model are: be connected with the welded structure of reducing gearbox assembly by the axle tube assembly that will constitute the lilliput car rear-axle casing originally and change press mounting structure into and connect, the rear-axle casing of making like this is not owing to need to be welded to connect, institute is not so that there is welding deformation, can not have the rosin joint, the leakage weldering that weaken intensity yet, thereby the intensity of rear-axle casing is effectively improved, and distortion is minimum; Just can can't not assemble in the fitting process because welding deformation is big yet, can be in the use because of having the rosin joint that weakens intensity, leaking weldering and destroyed yet.
Description of drawings
Fig. 1 is the front view of a kind of lilliput car rear-axle casing of the utility model;
Fig. 2 is the birds-eye view of a kind of lilliput car rear-axle casing of the utility model;
Fig. 3 is the birds-eye view of another structure of a kind of lilliput car rear-axle casing of the utility model.
Be labeled as among the figure: axle tube assembly 1, installation external part 11, interior knock hole 12, installation end 13, semiaxis mounting hole 14, reducing gearbox assembly 2, mounting hole 21, outside fix hole 22, installation projection 23, locating dowel pin 3.
The specific embodiment
Be that a kind of distortion of providing of the utility model is little, structural strength good as shown in Figure 1 and Figure 2, be not easy ruined lilliput car rear-axle casing in the use.Described lilliput car rear-axle casing comprises axle tube assembly 1 and reducing gearbox assembly 2, is connected by press mounting structure between axle tube assembly 1 and the reducing gearbox assembly 2.The rear-axle casing of making like this is not owing to need to be welded to connect, and institute also can not have the rosin joint, the leakage weldering that weaken intensity, thereby the intensity of rear-axle casing is effectively improved, and distortion is minimum so that there is not welding deformation; Just can can't not assemble in the fitting process because welding deformation is big yet, can be in the use because of having the rosin joint that weakens intensity, leaking weldering and destroyed yet.
It can be following two kinds of structures that press mounting structure in the above-mentioned embodiment connects: a kind of is as shown in Figure 2 structure, have one on the axle tube assembly 1 external part 11 is installed, the position that axle tube assembly 1 is installed in the both sides of reducing gearbox assembly 2 is provided with internal diameter and the suitable mounting hole 21 of axle tube assembly 1 installation external part 11 external diameters, described press mounting structure constitutes by external part 11 and mounting hole 21 are installed, and the installation external part 11 of axle tube assembly 1 is fitted in the mounting hole 21 of reducing gearbox assembly 2.At this moment, installing between external part 11 and the mounting hole 21 can be the interference mounting structure, also can be the transition mounting structure.When adopting the transition mounting structure, be provided with the welding fixed sturcture in mounting hole 21 ends with the joint that external part 11 is installed, thereby guaranteed the compactness and the reliability of assembling between axle tube assembly 1 and the reducing gearbox assembly 2.
Another kind is a structure as shown in Figure 3, axle tube assembly 1 has an installation end 13, installation end 13 is provided with semiaxis mounting hole 14, the position that axle tube assembly 1 is installed in reducing gearbox assembly 2 both sides is provided with external diameter and the suitable installation projection 23 of semiaxis mounting hole 14 internal diameters, described press mounting structure is made of semiaxis mounting hole 14 and installation projection 23, and semiaxis mounting hole 14 glands are being installed on the projection 23.At this moment, installing between projection 23 and the semiaxis mounting hole 14 can be the interference mounting structure, it also can be the transition mounting structure, when adopting the transition mounting structure, end at semiaxis mounting hole 14 is provided with the welding fixed sturcture with the joint that projection 23 is installed, thereby has guaranteed the compactness and the reliability of assembling between axle tube assembly 1 and the reducing gearbox assembly 2.
Adopt above-mentioned which kind of structure no matter be, all fix between installation external part 11 and the mounting hole 21 or between semiaxis mounting hole 14 and the installation projection 23 by interference friction or welding fixed sturcture, this fixing in use can be lost efficacy because of the inefficacy of wearing and tearing or weld seam, for guarantee between axle tube assembly 1 and the reducing gearbox assembly 2 be connected can be steady in a long-term reliable, the sidewall that external part 11 is installed is provided with interior knock hole 12, on the sidewall of mounting hole 21, be provided with outside fix hole 22 with corresponding position, interior knock hole 12 position, in interior knock hole 12 and outside fix hole 22, be provided with locating dowel pin 3, perhaps the sidewall of semiaxis mounting hole 14 is provided with outside fix hole 22, knock hole 12 in being provided with corresponding position, 22 position, outside fix hole on the sidewall that projection 23 is installed is provided with locating dowel pin 3 in knock hole 22 and the interior knock hole 12 outside.Like this, even interference fit lost efficacy or attachment weld is destroyed, also can actv. guarantee between axle tube assembly 1 and the reducing gearbox assembly 2 be connected reliable and stable.
Claims (9)
1. a lilliput car rear-axle casing comprises axle tube assembly (1) and reducing gearbox assembly (2), it is characterized in that: be connected by press mounting structure between axle tube assembly (1) and the reducing gearbox assembly (2).
2. a kind of lilliput car rear-axle casing according to claim 1, it is characterized in that: have one on the axle tube assembly (1) external part (11) is installed, the position that axle tube assembly (1) is installed in the both sides of reducing gearbox assembly (2) is provided with internal diameter and the suitable mounting hole (21) of axle tube assembly (1) installation external part (11) external diameter, described press mounting structure constitutes by external part (11) and mounting hole (21) are installed, and the installation external part (11) of axle tube assembly (1) is fitted in the mounting hole (21) of reducing gearbox assembly (2).
3. a kind of lilliput car rear-axle casing according to claim 2 is characterized in that: installing between external part (11) and the mounting hole (21) is the interference mounting structure.
4. a kind of lilliput car rear-axle casing according to claim 2, it is characterized in that: installing between external part (11) and the mounting hole (21) is the transition mounting structure, is provided with welding connection structure in mounting hole (21) end with the joint that external part (11) is installed.
5. according to each described a kind of lilliput car rear-axle casing in the claim 2～4, it is characterized in that: the sidewall that external part (11) is installed is provided with interior knock hole (12), on the sidewall of mounting hole (21), be provided with outside fix hole (22), in interior knock hole (12) and outside fix hole (22), be provided with locating dowel pin (3) with interior knock hole (12) corresponding position, position.
6. a kind of lilliput car rear-axle casing according to claim 1, it is characterized in that: axle tube assembly (1) has an installation end (13), installation end (13) is provided with semiaxis mounting hole (14), the position that axle tube assembly (1) is installed in reducing gearbox assembly (2) both sides is provided with external diameter and the suitable installation projection (23) of semiaxis mounting hole (14) internal diameter, described press mounting structure is by semiaxis mounting hole (14) and projection (23) formation is installed, and semiaxis mounting hole (14) gland is being installed on the projection (23).
7. a kind of lilliput car rear-axle casing according to claim 6 is characterized in that: installing between projection (23) and the semiaxis mounting hole (14) is the interference mounting structure.
8. a kind of lilliput car rear-axle casing according to claim 7, it is characterized in that: installing between projection (23) and the semiaxis mounting hole (14) is the transition mounting structure, is provided with welding connection structure in the end of semiaxis mounting hole (14) and the joint of installation projection (23).
9. according to each described a kind of lilliput car rear-axle casing in the claim 6～8, it is characterized in that: the sidewall of semiaxis mounting hole (14) is provided with outside fix hole (22), on the sidewall that projection (23) is installed, be provided with interior knock hole (12), be provided with locating dowel pin (3) in knock hole (22) and the interior knock hole (12) outside with corresponding position, position, outside fix hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200397982U CN201914027U (en) | 2011-02-16 | 2011-02-16 | Rear axle housing for lightweight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200397982U CN201914027U (en) | 2011-02-16 | 2011-02-16 | Rear axle housing for lightweight car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914027U true CN201914027U (en) | 2011-08-03 |
Family
ID=44413841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200397982U Expired - Lifetime CN201914027U (en) | 2011-02-16 | 2011-02-16 | Rear axle housing for lightweight car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201914027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081870A (en) * | 2017-11-30 | 2018-05-29 | 范兆军 | Rear axle of scooter for old people |
-
2011
- 2011-02-16 CN CN2011200397982U patent/CN201914027U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081870A (en) * | 2017-11-30 | 2018-05-29 | 范兆军 | Rear axle of scooter for old people |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jianan Industry Co., Ltd., Sichuan Prov. Assignor: Jian'an Rear Axle Automobile Co., Ltd. China Chang'an Sichuan Branch Contract record no.: 2012510000091 Denomination of utility model: Rear axle housing for lightweight car Granted publication date: 20110803 License type: Exclusive License Record date: 20120920 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jianan Industry Co., Ltd., Sichuan Prov. Assignor: Jian'an Rear Axle Automobile Co., Ltd. China Chang'an Sichuan Branch Contract record no.: 2012510000091 Date of cancellation: 20121130 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jianan Industry Co., Ltd., Sichuan Prov. Assignor: Jian'an Rear Axle Automobile Co., Ltd. China Chang'an Sichuan Branch Contract record no.: 2012510000177 Denomination of utility model: Rear axle housing for lightweight car Granted publication date: 20110803 License type: Exclusive License Record date: 20121224 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANAN INDUSTRY CO., LTD., SICHUAN PROV. Free format text: FORMER OWNER: JIAN'AN REAR AXLE AUTOMOBILE CO., LTD. CHINA CHANG'AN SICHUAN BRANCH Effective date: 20150703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150703 Address after: 625000 Ya'an City, Zhejiang Province, the city of Tibet Road No. 139 Patentee after: Jianan Industry Co., Ltd., Sichuan Prov. Address before: 625000 No. 139 Xikang Road, Sichuan, Ya'an Patentee before: Jian'an Rear Axle Automobile Co., Ltd. China Chang'an Sichuan Branch |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
|
| CX01 | Expiry of patent term |