CN202612575U - Car transmission box - Google Patents
Car transmission box Download PDFInfo
- Publication number
- CN202612575U CN202612575U CN 201220239550 CN201220239550U CN202612575U CN 202612575 U CN202612575 U CN 202612575U CN 201220239550 CN201220239550 CN 201220239550 CN 201220239550 U CN201220239550 U CN 201220239550U CN 202612575 U CN202612575 U CN 202612575U
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- CN
- China
- Prior art keywords
- shaft
- gear
- differential mechanism
- input shaft
- right shell
- 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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Abstract
The utility model relates to a car transmission box which comprises a differential mechanism, a right housing, a left housing, an input shaft and an intermediate shaft, wherein two ends of the input shaft are respectively fixed to the right housing and the left housing through input shaft bearings; the inside of the input shaft is connected with an external spline of an output shaft of a motor through a spline; a bidirectional oil returning line oil seal is arranged in a clearance between the input shaft and the left housing; an output shaft gear is arranged on the input shaft and close to the right housing; an output shaft gear is engaged with a driven gear sleeved on the intermediate shaft; an intermediate shaft gear is arranged between a left end intermediate shaft bearing on the intermediate shaft and the driven gear of the intermediate shaft; two ends of the differential mechanism are respectively fixed to the right housing and the left housing through differential mechanism bearings; differential mechanism oil seals are arranged in the clearances between one end of the differential mechanism and the left housing as well as between the other end of the differential mechanism and the right housing; and a main reduction gear engaged with the intermediate shaft is arranged at the left end of the differential mechanism. The car transmission box has the benefits that the differential and reduction are integrally designed; the structure is compact; and the high working efficiency is achieved.
Description
Technical field
The utility model relates to the vehicle transmission field, particularly a kind of vehicle transmission case.
Background technique
The vehicle transmission case passes to Running System to the power of motor with suitable moment of torsion and rotating speed through gear transmission, to adapt to automobile requirement to traction and travelling speed under different road conditions.All there is certain difficulty in the high rotating speed low noise of the transmission case aspect that existing automobile adopts because layout is unreasonable, gear modification, processing technology guarantees that ability is not enough, thereby and axle be the transmission accuracy that poor rigidity influences gear engagement; Make driving, power character and the economic index of automobile all be difficult to improve, make it be difficult to satisfy of the requirement of electric powered motor coupling the power train transmission case.
The model utility content
The purpose of the utility model provides a kind of vehicle transmission case, to overcome the above-mentioned deficiency that existing technology exists.The utility model utilizes the road test of the various road conditions of special-purpose Gear Transmission Design software, three-dimensional simulation emulation technology and a large amount of stand and entrucking; Designed a kind of two-axis transmission case; With its compact structure, the little in light weight and higher reliability of volume; Can satisfy the requirement of high rotating speed low noise, promote driving, power character and the Economy of institute's coupling car load greatly.
The purpose of the utility model is to realize through following technological scheme:
A kind of vehicle transmission case comprises differential mechanism, right shell body, left shell, input shaft and jack shaft, and right shell body and left shell pass through bolt; The input shaft two ends are fixed on right shell body and the left shell through bearing of input shaft respectively; The input shaft left end fastens has stifle; Input shaft is inner to be connected with the external splines of motor output shaft through spline; Be provided with two-way oil drive back thread oil sealing in the gap that input shaft and left shell form, be provided with output shaft gear near the right shell body place on the input shaft, output shaft gear and the jack shaft driven gear engagement that is sleeved on the jack shaft; The jack shaft two ends are fixed on right shell body and the left shell through midship shaft bearing respectively, between left end midship shaft bearing and jack shaft driven gear, are provided with countershaft-gear on the jack shaft.
Said differential mechanism two ends are fixed on right shell body and the left shell through differential bearing respectively, are provided with the differential mechanism oil sealing between the gap that differential mechanism two ends and right shell body and left shell form, and the differential mechanism left end is provided with the master who meshes with said countershaft-gear and subtracts gear.
Said two-way oil drive back thread oil sealing comprises rubber body and skeleton, and skeleton is inlaid in rubber body inside, and rubber body one side is connected with spring, the rubber body surface is provided with two-way oil drive back thread.
The beneficial effect of the utility model is: with differential, deceleration integrated design, compact structure; Maximum input torque 185N.m can satisfy the vehicle coupling of motor speed up to 6000rpm; High speed clockwise and anticlockwise sealability is satisfied in two-way oil drive back thread oil sealing design; The assembly turbidity test are restricted to 80mg, and the quiet intensity reserve coefficient of turning round of assembly is not less than 2.5, and the average transmission efficiency of assembly is not less than 95%.
Description of drawings
Fig. 1 is the real sectional view of the utility model;
Fig. 2 is the structural representation of two-way oil drive back thread oil sealing among Fig. 1.
Indicate in conjunction with accompanying drawing: 1, right shell body; 2, bearing of input shaft; 3, input shaft; 4, stifle; 5, output shaft gear; 6, midship shaft bearing; 7, countershaft-gear; 8, jack shaft; 9, jack shaft driven gear; 10, differential mechanism; 11, differential bearing; 12, differential mechanism oil sealing; 13, the main gear that subtracts; 14, bolt; 15, left shell; 16, spline; 17, two-way oil drive back thread oil sealing; 18, rubber body; 19, skeleton; 20, spring; 21, two-way oil drive back thread.
Embodiment
Embodiment 1
Shown in Fig. 1-2, the described a kind of vehicle transmission case of the utility model embodiment comprises differential mechanism 10, right shell body 1, left shell 15, input shaft 3 and jack shaft 8, and right shell body 1 is fixing through bolt 14 with left shell 15; Input shaft 3 two ends are fixed on right shell body 1 and the left shell 15 through bearing of input shaft 2 respectively; Input shaft 3 left ends fasten has stifle 4; The input shaft 3 inner splines 16 that pass through are connected with the external splines of motor output shaft; Be provided with two-way oil drive back thread oil sealing 17 in the gap that input shaft 3 and left shell 15 form, be provided with output shaft gear 5 near right shell body 1 place on the input shaft 3, output shaft gear 5 and jack shaft driven gear 9 engagements that are sleeved on the jack shaft 8; Jack shaft 8 two ends are fixed on right shell body 1 and the left shell 15 through midship shaft bearing 6 respectively, between left end midship shaft bearing 6 and jack shaft driven gear 9, are provided with countershaft-gear 7 on the jack shaft 8.
Said differential mechanism 10 two ends are fixed on right shell body 1 and the left shell 15 through differential bearing 11 respectively; Be provided with differential mechanism oil sealing 12 between the gap that differential mechanism 10 two ends and right shell body 1 and left shell 15 form, differential mechanism 10 left ends are provided with the master who meshes with said countershaft-gear 7 and subtract gear 13.
Said two-way oil drive back thread oil sealing 17 comprises rubber body 18 and skeleton 19, and skeleton 19 is inlaid in rubber body 18 inside, and rubber body 18 1 sides are connected with spring 20, rubber body 18 surfaces are provided with two-way oil drive back thread 21.
When concrete the use, the motion principle of transmission case is following:
Motor → spline 16 → input shaft gear 5 → jack shaft driven gear 9 → jack shaft 8 → countershaft-gear 7 → differential gear 13 → live axle.
The utility model is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technological scheme, all drops within the protection domain of the utility model.
Claims (2)
1. vehicle transmission case; Comprise differential mechanism (10), right shell body (1), left shell (15), input shaft (3) and jack shaft (8); Right shell body (1) and left shell (15) are fixing through bolt (14); Input shaft (3) two ends are fixed on right shell body (1) and the left shell (15) through bearing of input shaft (2) respectively; Input shaft (3) left end fastens has stifle (4); Input shaft (3) is inner to be connected with the external splines of motor output shaft through spline (16); It is characterized in that: be provided with two-way oil drive back thread oil sealing (17) in the gap that input shaft (3) and left shell (15) form, input shaft (3) is gone up and is located to be provided with output shaft gear (5) near right shell body (1), output shaft gear (5) and jack shaft driven gear (9) engagement that is sleeved on the jack shaft (8); Jack shaft (8) two ends are fixed on right shell body (1) and the left shell (15) through midship shaft bearing (6) respectively, are positioned on the jack shaft (8) between left end midship shaft bearing (6) and the jack shaft driven gear (9) to be provided with countershaft-gear (7); Said differential mechanism (10) two ends are fixed on right shell body (1) and the left shell (15) through differential bearing (11) respectively; Be provided with differential mechanism oil sealing (12) between the gap that differential mechanism (10) two ends and right shell body (1) and left shell (15) form, differential mechanism (10) left end is provided with the master who meshes with said countershaft-gear (7) and subtracts gear (13).
2. vehicle transmission case according to claim 1; It is characterized in that: said two-way oil drive back thread oil sealing (17) comprises rubber body (18) and skeleton (19); Skeleton (19) is inlaid in rubber body (18) inside, and rubber body (18) one sides are connected with spring (20), rubber body (18) surface is provided with two-way oil drive back thread (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220239550 CN202612575U (en) | 2012-05-25 | 2012-05-25 | Car transmission box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220239550 CN202612575U (en) | 2012-05-25 | 2012-05-25 | Car transmission box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612575U true CN202612575U (en) | 2012-12-19 |
Family
ID=47346277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220239550 Expired - Fee Related CN202612575U (en) | 2012-05-25 | 2012-05-25 | Car transmission box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612575U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240497A (en) * | 2015-10-21 | 2016-01-13 | 安徽星瑞齿轮传动有限公司 | Automobile transmission |
| CN106402324A (en) * | 2016-12-07 | 2017-02-15 | 天津天海同步集团有限公司 | Electromagnetic clutch type electric automobile transmission |
| CN109774463A (en) * | 2019-03-15 | 2019-05-21 | 重庆青山工业有限责任公司 | A kind of integrated electric drive assembly |
| CN113669433A (en) * | 2021-08-11 | 2021-11-19 | 安徽星瑞齿轮传动有限公司 | Large-torque speed reducer assembly of pure electric passenger car |
-
2012
- 2012-05-25 CN CN 201220239550 patent/CN202612575U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240497A (en) * | 2015-10-21 | 2016-01-13 | 安徽星瑞齿轮传动有限公司 | Automobile transmission |
| CN106402324A (en) * | 2016-12-07 | 2017-02-15 | 天津天海同步集团有限公司 | Electromagnetic clutch type electric automobile transmission |
| CN109774463A (en) * | 2019-03-15 | 2019-05-21 | 重庆青山工业有限责任公司 | A kind of integrated electric drive assembly |
| CN109774463B (en) * | 2019-03-15 | 2024-05-07 | 重庆青山工业有限责任公司 | Integrated electric drive assembly |
| CN113669433A (en) * | 2021-08-11 | 2021-11-19 | 安徽星瑞齿轮传动有限公司 | Large-torque speed reducer assembly of pure electric passenger car |
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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 |
Granted publication date: 20121219 Termination date: 20200525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |