CN211196168U - Gearbox system and car - Google Patents
Gearbox system and car Download PDFInfo
- Publication number
- CN211196168U CN211196168U CN201922070629.4U CN201922070629U CN211196168U CN 211196168 U CN211196168 U CN 211196168U CN 201922070629 U CN201922070629 U CN 201922070629U CN 211196168 U CN211196168 U CN 211196168U
- Authority
- CN
- China
- Prior art keywords
- shaft
- vacuum pump
- intermediate shaft
- key
- keyway
- 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.)
- Active
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The application relates to the technical field of vehicles, in particular to a gearbox system and an automobile. The gearbox system comprises a gearbox, wherein the gearbox comprises a shell and an intermediate shaft; the vacuum pump is arranged on the shell and is provided with a driving shaft, and the driving shaft is used for driving the vacuum pump to operate; wherein the intermediate shaft drives the drive shaft to rotate. The vacuum pump is arranged on the shell of the gearbox, a driving motor of the vacuum pump in the prior art is omitted, and a middle shaft on the gearbox provides driving force for the vacuum pump, so that the vacuum pump provides a power assisting source for automobile braking, and the use and maintenance cost is reduced.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a gearbox system and an automobile.
Background
Along with new energy automobile popularization, new energy electric motor car service braking safety is especially important, and current new energy automobile service braking booster unit mainly has two kinds: an electric vacuum pump power-assisted system and an electric power-assisted system. Electric vacuum pump helping hand system: the electric vacuum pump provides a boosting source in the process of service braking, has short service life, high efficiency, high noise and high use and maintenance cost, and influences the development of new energy automobiles; electric power-assisted system: in the process of service braking, the motor provides assistance, the linear braking control is controlled by software, the electric booster is complex in structure, the linear braking control software is immature, the safety level of software and hardware is difficult to meet the requirement of the E/E safety level of braking, the cost is high, and the popularization of new energy automobiles are also influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a gearbox system and car aims at having cancelled the driving motor of vacuum pump, provides drive power for it through the jackshaft on the gearbox, reduces and uses, cost of maintenance.
An embodiment of the present application provides a transmission system, the transmission system includes:
a gearbox including a housing and an intermediate shaft;
a vacuum pump mounted to the housing and having a drive shaft for driving the vacuum pump in operation;
wherein the intermediate shaft drives the drive shaft to rotate.
Optionally, the drive shaft is fixedly connected with the intermediate shaft.
Optionally, the intermediate shaft is provided with a first keyway, the drive shaft is provided with a second keyway, and the first keyway is communicated with the second keyway;
the gearbox system further comprises a connecting key clamped in the first key groove and the second key groove.
Optionally, the first keyway and the second keyway are arranged perpendicular to the connecting surface of the intermediate shaft and the drive shaft.
Preferably, the connecting key is in interference fit with the first key groove, and the connecting key is in interference fit with the second key groove.
Preferably, the inner side wall of the second key groove is arc-shaped;
and one end of the connecting key, which is connected with the driving shaft, is of an arc structure.
Preferably, an end of the connection key connected with the first key groove is provided with an inclined surface.
Preferably, a plurality of the connecting keys are provided along the circumferential direction of the intermediate shaft and the drive shaft.
Preferably, the drive shaft and the intermediate shaft are connected by a coupling.
An automobile comprising the transmission system.
The technical scheme provided by the application can achieve the following beneficial effects:
the vacuum pump is arranged on the shell of the gearbox, a driving motor of the vacuum pump in the prior art is omitted, and a middle shaft on the gearbox provides driving force for the vacuum pump, so that the vacuum pump provides a power assisting source for automobile braking, and the use and maintenance cost is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a schematic structural diagram of a transmission system provided in an embodiment of the present application in one embodiment;
FIG. 2 is a schematic cross-sectional view of the transmission of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the first keyway and the second keyway of FIG. 3;
fig. 5 is a schematic view of the internal structure of the transmission case of fig. 1.
Reference numerals:
1-a gearbox;
11-a housing;
12-an intermediate shaft;
121-a first keyway;
13-an input shaft;
14-an output shaft;
2-a vacuum pump;
21-a drive shaft;
211-a second keyway;
3-a connecting bond.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to 5, an embodiment of the present application provides a transmission system of an automobile, including:
the gearbox 1 comprises a shell 11 and an intermediate shaft 12;
a vacuum pump 2, wherein the vacuum pump 2 is arranged in the shell 11, and the vacuum pump 2 is provided with a driving shaft 21, and the driving shaft 21 is used for driving the vacuum pump 2 to run;
wherein, the intermediate shaft 12 drives the driving shaft 21 to rotate; the vacuum pump 2 is mounted on a housing 11 of the gearbox 1 and provides its driving force via an intermediate shaft 12 on the gearbox 1.
In the transmission 1, the intermediate shaft 12 is used for transmitting power between the input shaft 13 and the output shaft 14, and the input shaft 13 can be connected with an external motor or engine so as to drive the intermediate shaft 12 to rotate, so that the intermediate shaft 12 is in a rotating state during the operation of the transmission 1.
In this embodiment, the driving shaft 21 of the vacuum pump 2 can be driven by the intermediate shaft 12 of the transmission case 1, that is, during the operation of the transmission case 1, the driving shaft 21 can rotate along with the intermediate shaft 12, and during the rotation of the driving shaft 21, the vacuum pump 2 can pump air in the inner cavity of the vacuum tank, which is a vacuum booster, of the automobile braking system, so that a boosting source is provided for the automobile braking through the vacuum pump 2.
Therefore, in the embodiment, the intermediate shaft 12 of the gearbox 1 drives the vacuum pump 2 to operate, and compared with the prior art that the vacuum pump 2 is driven by a motor, the driving motor of the vacuum pump 2 is omitted, the intermediate shaft 12 is used for providing driving force, and the use cost and the maintenance cost are reduced.
Specifically, as shown in fig. 5, gears are mounted on the input shaft 13, the intermediate shaft 12 and the output shaft 14, the input shaft 13 drives the intermediate shaft 12 to rotate through gear engagement transmission on the input shaft 13 and the intermediate shaft 12, and the input shaft 13 and the intermediate shaft 12 rotate at the same speed and in opposite directions; the intermediate shaft 12 drives the output shaft 14 to rotate through gear meshing transmission on the intermediate shaft 12 and the output shaft 14, the output shaft 14 transmits the obtained power to the differential, the differential drives the transmission shaft to rotate, and the automobile runs.
In a possible design, the driving shaft 21 is fixedly connected with the intermediate shaft 12, the driving shaft 21 is driven to rotate by the intermediate shaft 12, so that the driving shaft 21 controls the operation of the vacuum pump 2, and the driving shaft 21 and the intermediate shaft 12 do not need to be driven by other components, but the intermediate shaft 12 directly drives the driving shaft 21 to rotate, so that the transmission efficiency is improved, and the synchronous rotation of the driving shaft 21 and the intermediate shaft 12 is ensured.
The vacuum pump 2 extracts air in the inner cavities of the vacuum booster and the vacuum tank of the automobile brake system, provides a power assisting source for the vacuum pump 2 to brake the automobile, and makes full use of the high reliability of the traditional vacuum pump power assisting system.
Specifically, as shown in fig. 4, the intermediate shaft 12 is provided with a first key groove 121, the driving shaft 21 is provided with a second key groove 211, opposite ends of the first key groove 121 and the second key groove 211 are open structures, and the first key groove 121 is communicated with the second key groove 211, which are connected to form a complete key groove.
Correspondingly, the gearbox system can further comprise a connecting key 3, the connecting key 3 is clamped in the first key groove 121 and the second key groove 211, the connecting key 3 is sequentially installed on the first key groove 121 and the second key groove 211, the middle shaft 12 and the driving shaft 21 are positioned, and torque connection is established, so that the middle shaft 12 and the driving shaft 21 can synchronously rotate.
In this embodiment, as shown in fig. 3, the intermediate shaft 12 is connected with the drive shaft 21 in a mode of the connecting key 3, and the intermediate shaft 12 is circumferentially fixed with the drive shaft 21 through the connecting key 3 to transmit motion and torque, so that the vacuum pump is simple in structure and convenient to install, and the vacuum pump 2 does not need to be disassembled and then installed, thereby facilitating the fixation of the vacuum pump 2 and the intermediate shaft 12.
Wherein, the connecting key 3 can adopt a transmission flat key, a semicircular key and the like.
Further, as shown in fig. 4, the first key groove 121 and the second key groove 211 are arranged perpendicular to the connecting surface of the intermediate shaft 12 and the driving shaft 21, the intermediate shaft 12 transmits force to the connecting key 3 in the rotating process, and the connecting key 3 transmits force to the intermediate shaft 12, so that the intermediate shaft 12 rotates, and is arranged obliquely relative to the connecting key 3, the intermediate shaft 12 and the driving shaft 21, the connecting key 3, the intermediate shaft 12 and the driving shaft 21 are arranged in parallel, so that the synchronism of the intermediate shaft 12 and the driving shaft 21 can be better ensured, and the risk of deviation of the intermediate shaft 12 and the driving shaft 21 is reduced; meanwhile, the first key groove 121 and the second key groove 211 are perpendicular to the connecting surface of the intermediate shaft 12 and the driving shaft 21, so that the processing is convenient.
Further, connect key 3 and first keyway 121 interference fit, connect key 3 and second keyway 211 interference fit, adopt interference fit, can improve the coaxial performance between jackshaft 12 and the drive shaft 21, improve the two pivoted synchronism, simultaneously, jackshaft 12 can also bear great circumference power, moment of torsion and dynamic load through the structure after connecting key 3 interference connection with drive shaft 21, improves and connects the reliability.
The magnitude of interference between the connecting key 3 and the first key groove 121 and between the connecting key 3 and the second key groove 211 can be set arbitrarily according to actual working conditions, so long as the connecting key 3 can be installed in the key grooves, and meanwhile, the synchronous rotation of the intermediate shaft 12 and the driving shaft 21 can be realized.
In a specific embodiment, the connection key 3 and the first key slot 121 and the second key slot 211 can also adopt other connection methods, such as screw connection, etc., as long as the connection between the intermediate shaft 12 and the driving shaft 21 can be realized.
Further, as shown in fig. 4, the inner side wall of the second key groove 211 is arc-shaped, and the risk of stress concentration of the second key groove 211 of the arc-shaped structure is low, so that the strength of the second key groove 211 is improved, when the second key groove 211 is in interference fit with the connecting key 3, the risk of damage under the action of the connecting key 3 is low, and meanwhile, the inner side wall of the second key groove 211 is right-angled, so that the processing is convenient.
Accordingly, as shown in fig. 3, the end of the connecting key 3 connected to the driving shaft 21 is in a circular arc structure, the connecting key 3 in the circular arc structure can be matched with the circular arc second key groove 211, and the connection reliability between the two is high.
Further, the one end that connecting key 2 and first keyway 121 are connected is provided with the inclined plane, and connecting key 3 is installed in first keyway 121 earlier, and the inclined plane on the connecting key 3 is the chamfer angle, plays the guide effect on connecting key 3 installation first keyway 121, the installation of being convenient for.
Further, establish a plurality of connecting key 3 along the circumference of jackshaft 12 and drive shaft 21, design 1 or a plurality of connecting key 3 according to on-the-spot actual demand, and when including a plurality of connecting key 3, the reliability of being connected between jackshaft 12 and the drive shaft 21 is higher to further improve the synchronism of the two.
In another possible design, the driving shaft 21 and the intermediate shaft 12 may also be connected through a coupling, specifically, the intermediate shaft 12 is connected with one end of the coupling, the other end of the coupling is connected with the driving shaft 21, the intermediate shaft 12 drives the driving shaft 21 to rotate through the coupling, so as to realize the operation of the vacuum pump 2, and the coupling rotates together in the process of transmitting motion and power.
In addition, the drive shaft 21 and the intermediate shaft 12 may be connected by a flange, a connecting pin, or the like.
The embodiment of the application also provides an automobile, which is used for providing a vacuum boosting source for automobile service braking by the upper gearbox system.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A transmission system, comprising:
a gearbox including a housing and an intermediate shaft;
a vacuum pump mounted to the housing and having a drive shaft for driving the vacuum pump in operation;
wherein the intermediate shaft drives the drive shaft to rotate.
2. A transmission system according to claim 1, wherein the drive shaft is fixedly connected to the intermediate shaft.
3. A transmission system according to claim 2, wherein said intermediate shaft is provided with a first keyway and said drive shaft is provided with a second keyway, said first keyway being in communication with said second keyway;
the connecting key is clamped in the first key groove and the second key groove.
4. A transmission system according to claim 3 wherein said first and second keyways are arranged perpendicular to the connecting face of the intermediate shaft and the drive shaft.
5. A transmission system according to claim 3, wherein said coupling key is an interference fit with said first keyway and said coupling key is an interference fit with said second keyway.
6. A transmission system according to claim 3 wherein said second keyway inner side wall is arcuate;
and one end of the connecting key, which is connected with the driving shaft, is of an arc structure.
7. A transmission system according to claim 3 wherein the end of the connecting key which connects with the first keyway is provided with a chamfer.
8. A transmission system according to claim 3, wherein a plurality of said connecting keys are provided along the circumferential direction of said intermediate shaft and said drive shaft.
9. A transmission system according to claim 2, wherein the drive shaft is coupled to the intermediate shaft by a coupling.
10. An automobile comprising a transmission system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070629.4U CN211196168U (en) | 2019-11-26 | 2019-11-26 | Gearbox system and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070629.4U CN211196168U (en) | 2019-11-26 | 2019-11-26 | Gearbox system and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211196168U true CN211196168U (en) | 2020-08-07 |
Family
ID=71887695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922070629.4U Active CN211196168U (en) | 2019-11-26 | 2019-11-26 | Gearbox system and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211196168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147732A (en) * | 2021-03-23 | 2021-07-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Engine starting control method and device, storage medium and computer equipment |
-
2019
- 2019-11-26 CN CN201922070629.4U patent/CN211196168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147732A (en) * | 2021-03-23 | 2021-07-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Engine starting control method and device, storage medium and computer equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108674179A (en) | A kind of integration electric drive power assembly | |
| WO2022116787A3 (en) | Dual-motor hybrid power drive apparatus and vehicle having same | |
| CN201761533U (en) | Motor driving system for electromobile power-assisted steering device and air condition compressor | |
| CN211196168U (en) | Gearbox system and car | |
| CN101359852A (en) | Motor construction direct driving sewing machine | |
| CN213981173U (en) | Detachable electronic control oil pump | |
| CN216268643U (en) | Power transmission system of electric loader | |
| CN214112258U (en) | Dual-motor power system | |
| CN210505173U (en) | Forced driving permanent magnet synchronous motor for small household elevator | |
| CN101062657A (en) | Walking vehicle axle employing hydraulic motor transmission | |
| CN210047314U (en) | Double-motor driving steering drive axle structure | |
| CN103895494A (en) | Rocker arm integration type electric wheel and electric vehicle | |
| CN202271840U (en) | Driving device of permanent magnetic synchronous contra-rotating double-rotor motor | |
| CN102189926A (en) | Double-drive speed reducer for electric automobile | |
| CN102221075A (en) | Hydraulic transmission and use method thereof | |
| CN113982911B (en) | Redundancy electric pump and engine | |
| CN215934652U (en) | Three-compound speed reducing brake motor | |
| CN205970819U (en) | Vehicle air mixing power economizer system based on rear axle drive | |
| CN108005768B (en) | Active air extraction type exhaust system and automobile | |
| CN219236735U (en) | Distributed power unit, electric vehicle and aircraft | |
| CN206012327U (en) | A kind of mixed power automobile driving system | |
| CN219856776U (en) | Split type driving unit, electric vehicle and aircraft | |
| CN201703240U (en) | Pure power-driven and combination-driving coaxial output coupling case with clutch and parking functions | |
| CN216580093U (en) | Dual-motor hybrid power system and vehicle | |
| CN214189784U (en) | Electric power steering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |