CN201232631Y - Oil pump for gear box - Google Patents
Oil pump for gear box Download PDFInfo
- Publication number
- CN201232631Y CN201232631Y CNU2008201210628U CN200820121062U CN201232631Y CN 201232631 Y CN201232631 Y CN 201232631Y CN U2008201210628 U CNU2008201210628 U CN U2008201210628U CN 200820121062 U CN200820121062 U CN 200820121062U CN 201232631 Y CN201232631 Y CN 201232631Y
- Authority
- CN
- China
- Prior art keywords
- gear box
- power input
- input shaft
- hollow
- bearing
- 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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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model discloses an oil pump of a gear box, comprising a hollow power input shaft (7), a pump cover (2) which is connected with a pump body (1), an inner rotor (3) which is connected with the outer wall of the hollow power input shaft (7), an outer rotor (4) which is fitted with the pump body (1), a hollow power output shaft (5) which is connected with the hollow power input shaft (7) and a support shaft (6) which crosses the pump body (1), the pump cover (2) and the inner rotor (3) and is connected with the pump cover (2); the inner wall of the hollow power output shaft (5) is connected with the support shaft (6) by a bearing I (8); and the end surface of the right end of the hollow power output shaft (5) is connected with the step surface of the support shaft (6) by a bearing II (9). The utility model not only can lead the size of the automobile gear box system to become small, the weight to become light, the structure to become compact, the reliability to be strengthened and the production cost to be reduced, but also can lead the installation and the operation of the automotive gear box system to become convenient and easy.
Description
Technical field:
The utility model belongs to automobile gearbox lubrication system technical field, specifically is a kind of gear box oil pump.
Background technique:
At present, the gear box oil pump that prior art is used for the automobile gearbox lubrication system is that drive is not exported, and this power output normally is set at the outside, front portion, rear portion, sidepiece or the top of gearbox, also dynamic output is on the independent clutch that is set at after motor is exported, these structures not only make the volume and weight of whole automobile gearbox system seem bigger, complex structure, not compact, poor reliability, cost of production height, but also it is inconvenient to make the automobile gearbox lubrication system install, troublesome poeration.
The model utility content:
The technical problems to be solved in the utility model is, a kind of smaller volume that not only can make the automobile gearbox system is provided, weight lightens, it is compact that structure becomes, reliability strengthens, cost of production reduces, but also can make the installation of automobile gearbox system and operation become convenient, be easy to gear box oil pump.
Technical solution of the present utility model is, a kind of gear box oil pump with following structure is provided, and it comprises the pump housing, transmission shaft, be connected pump cover on the pump housing, be arranged in the pump housing and intermeshing internal rotor and external rotor, hollow pto and the back shaft that is transverse in the pump housing, pump cover and internal rotor center; Described external rotor and pump housing Spielpassung; Described back shaft is connected on the pump cover; Described transmission shaft is hollow power input shaft; The outer wall of described hollow power input shaft is connected with internal rotor; The inwall of described hollow power input shaft is connected with the outer wall of hollow pto; Described hollow pto inwall is connected with back shaft by bearing I; Described hollow pto right-hand member end face is connected with the step surface of back shaft by bearing I I.
After adopting above structure, compared with prior art, the utlity model has following advantage: unlike the prior art, the utility model promptly is provided with hollow power input shaft and hollow pto in integrated power output on the gear box oil pump in the pump housing, and drive the rotation of internal rotor and hollow pto by the rotation of hollow power input shaft, thereby in the gearbox fuel feeding, realizing power output, because the utility model outputs power and has been integrated on the gear box oil pump, therefore, the utility model not only can make the smaller volume of automobile gearbox system, weight lightens, it is compact that structure becomes, reliability strengthens, and cost of production reduces, but also can make the installation of automobile gearbox system and operation become convenient, easily.
As a kind of improvement of the present utility model, can establish oil sealing between the outer wall of described hollow power input shaft and the pump housing.Being provided with of oil sealing can strengthen sealability of the present utility model.
As another kind of improvement the of the present utility model, can establish friction pads between described hollow pto and the pump cover.When being provided with of friction pads can prevent hollow pto axial float and the pump cover friction.
Also have a kind of improvement as of the present utility model, described bearing I can be needle bearing.Adopt needle bearing to play better radial support effect to hollow pto.
Also have a kind of improvement as of the present utility model, described bearing I I can be thrust bearing.Adopt thrust bearing to play better axial limiting effect to hollow pto.
Description of drawings:
Accompanying drawing is the structural representation of the utility model gear box oil pump.
Shown in the figure: 1, the pump housing, 2, pump cover, 3, internal rotor, 4, external rotor, 5, hollow pto, 5.1, groove, 6, back shaft, 7, hollow power input shaft, 8, bearing I, 9, bearing I I, 10, external splines, 11, oil sealing, 12, internal spline, 13, friction pads.
Specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in drawings, in this specific embodiment, the utility model gear box oil pump comprises the pump housing 1, is connected pump cover 2, internal rotor 3, external rotor 4, hollow pto 5, hollow power input shaft 7 and back shaft 6 on the pump housing 1.Described internal rotor 3 and external rotor 4 are arranged in the pump housing 1 and are meshing with each other; Described external rotor 4 and the pump housing 1 Spielpassung; Described back shaft 6 is transverse in the center of the pump housing 1, pump cover 2 and internal rotor 3; Described back shaft 6 is connected on the pump cover 2; The outer wall of described hollow power input shaft 7 is connected with internal rotor 3 by external splines 10; The inwall of described hollow power input shaft 7 is connected with the outer wall of hollow pto 5 by internal spline 12; Described hollow pto 5 inwalls are connected with back shaft 6 by bearing I 8; Described hollow pto 5 right-hand member end faces are provided with groove 5.1; Described groove 5.1 is provided with bearing I I9, and described hollow pto 5 right-hand members are connected with the step surface of back shaft 6 by bearing I I9; Described bearing I 8 can play the radial support effect to hollow pto 5, and described bearing I I9 can play the axial limiting effect to hollow pto 5; In this specific embodiment, described bearing I 8 is a needle bearing, and described bearing I I9 is a thrust bearing.In this specific embodiment, also be provided with friction pads 13 between described hollow pto 5 and the pump cover 2; Be provided with oil sealing 11 between the outer wall of described hollow power input shaft 7 and the pump housing 1.
In this specific embodiment, the function that described hollow power input shaft 7 not only has transmission shaft in the prior art gear box oil pump promptly can drive external rotor 4 rotations by driving internal rotor 3 rotations, thereby realize fuel feeding to gearbox, and hollow power input shaft 7 can also drive hollow pto 5 when rotating and rotate, thereby realizes power output function of the present utility model.
Claims (7)
1, a kind of gear box oil pump comprises the pump housing (1), transmission shaft, is connected the pump cover (2) on the pump housing (1) and is arranged in the pump housing (1) and intermeshing internal rotor (3) and external rotor (4); Described external rotor (4) and the pump housing (1) Spielpassung, it is characterized in that: it also comprises hollow pto (5) and is transverse in the back shaft (6) at the pump housing (1), pump cover (2) and internal rotor (3) center; Described back shaft (6) is connected on the pump cover (2); Described transmission shaft is hollow power input shaft (7); The outer wall of described hollow power input shaft (7) is connected with internal rotor (3); The inwall of described hollow power input shaft (7) is connected with the outer wall of hollow pto (5); Described hollow pto (5) inwall is connected with back shaft (6) by bearing I (8); Described hollow pto (5) right-hand member end face is connected with the step surface of back shaft (6) by bearing I I (9).
2, gear box oil pump according to claim 1 is characterized in that: the outer wall of described hollow power input shaft (7) is connected with internal rotor (3) and refers to, is connected for external splines (10) between the outer wall of described hollow power input shaft (7) and the internal rotor (3).
3, gear box oil pump according to claim 1 and 2 is characterized in that: be provided with oil sealing (11) between the outer wall of described hollow power input shaft (7) and the pump housing (1).
4, gear box oil pump according to claim 1, it is characterized in that: the inwall of described hollow power input shaft (7) is connected with the outer wall of hollow pto (5) and refers to, is connected for internal spline (12) between the inwall of described hollow power input shaft (7) and the hollow pto (5).
5, according to claim 1 or 4 described gear box oil pumps, it is characterized in that: be provided with friction pads (13) between described hollow pto (5) and the pump cover (2).
6, gear box oil pump according to claim 1 is characterized in that: described bearing I (8) is a needle bearing.
7, gear box oil pump according to claim 1 is characterized in that: described bearing I I (9) is a thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201210628U CN201232631Y (en) | 2008-07-10 | 2008-07-10 | Oil pump for gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201210628U CN201232631Y (en) | 2008-07-10 | 2008-07-10 | Oil pump for gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201232631Y true CN201232631Y (en) | 2009-05-06 |
Family
ID=40619009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201210628U Expired - Fee Related CN201232631Y (en) | 2008-07-10 | 2008-07-10 | Oil pump for gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201232631Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339099A (en) * | 2021-04-29 | 2021-09-03 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
-
2008
- 2008-07-10 CN CNU2008201210628U patent/CN201232631Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339099A (en) * | 2021-04-29 | 2021-09-03 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
| CN113339099B (en) * | 2021-04-29 | 2022-06-28 | 东风商用车有限公司 | Power take-off system of integrated oil pump and gearbox |
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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 |
Owner name: NINGBO SHENGLONG AUTOMOBILE POWER SYSTEM CO., LTD. Free format text: FORMER NAME: NINGBO SHENGLONG AUTOMOBILE PARTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315104 Zhejiang city of Ningbo province Yinzhou investment center JINDA Road No. 788 Patentee after: Ningbo Shenglong Automobile Power System Co., Ltd. Address before: 315104 Zhejiang city of Ningbo province Yinzhou investment center JINDA Road No. 788 Patentee before: Ningbo Shenglong Automobile Parts Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |