CN115574066A

CN115574066A - Supporting seat, gearbox and vehicle

Info

Publication number: CN115574066A
Application number: CN202211216662.3A
Authority: CN
Inventors: 宋廷彬; 马宏刚; 苑衍灵; 高晓光
Original assignee: Shengrui Transmission Co Ltd
Current assignee: Shengrui Transmission Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-06

Abstract

The utility model relates to an automatic transmission technical field especially relates to a supporting seat, gearbox and vehicle. This supporting seat includes: the support device comprises a support cylinder, a connecting flange and a support ring; the supporting cylinder, the connecting flange and the supporting ring are coaxially arranged; the supporting cylinder is in plug fit with the gearbox shell and coaxially sleeved on the intermediate shaft; the connecting flange is detachably connected with the gearbox shell; the support ring is coaxially sleeved on the transmission shaft. The supporting seat can be reliably connected to the gearbox shell in a bolt connection mode and other modes through the arrangement of the connecting flange; through the arrangement of the supporting cylinder and the supporting ring, two acting points are equivalently provided for the intermediate shaft and the transmission shaft, the radial force generated by the intermediate shaft can be counteracted by the gearbox shell and the transmission shaft, and the radial force generated by the transmission shaft can be counteracted by the gearbox shell and the intermediate shaft; effectively reduce the pressure of gearbox casing, reduce the probability of gearbox casing deformation.

Description

Supporting seat, gearbox and vehicle

Technical Field

The utility model relates to an automatic transmission technical field especially relates to a supporting seat, gearbox and vehicle.

Background

The automobile gearbox is a set of speed changing devices used for coordinating the rotating speed of an engine and the actual running speed of wheels, and is used for exerting the best performance of the engine. The gearbox can generate different gear ratios between an engine and wheels in the running process of the automobile, so that the transmission of rotating speeds in different gears is realized.

The manual gearbox mainly comprises gears and a rotating shaft, and the speed changing and torque changing are generated by different gear combinations; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear and a hydraulic control system, and achieves the purposes of speed and torque changing through a hydraulic transmission and gear combination mode.

The automatic gearbox has the advantages of comfortable driving, capability of reducing fatigue of a driver and the like, and becomes a development direction of the configuration of modern cars. The automatic gearbox utilizes a planetary gear mechanism to change speed, can automatically change speed according to the degree of an accelerator pedal and the change of vehicle speed, and a driver only needs to operate the accelerator pedal to control the vehicle speed, so that the driver can watch road traffic with full attention without being confused by gear shifting.

At present many automatic transmission all can set up the supporting seat in the intermediate position, make its main bearing structure who regards as the mid portion of transmission shaft, use the supporting seat at transmission box middle part now also can only play the effect of supporting the jackshaft, simple structure, the function is single, does not make full use of its stability with transmission case casing lug connection.

Disclosure of Invention

In order to solve the technical problem, the present disclosure provides a supporting seat, a transmission case and a vehicle.

In a first aspect, the present disclosure provides a support base, comprising: the support device comprises a support cylinder, a connecting flange and a support ring;

the supporting cylinder, the connecting flange and the supporting ring are coaxially arranged;

the supporting cylinder is in plug fit with the gearbox shell and coaxially sleeved on the intermediate shaft;

the connecting flange is detachably connected with the gearbox shell;

the support ring is coaxially sleeved on the transmission shaft;

in the axial direction, the support cylinder and the support ring are respectively located on two sides of the connecting flange.

Optionally, a first bearing is arranged between the support cylinder and the intermediate shaft, and a second bearing is arranged between the support ring and the transmission shaft.

Optionally, the first bearing is located at the end of the support cylinder away from the connecting flange,

and/or the second bearing is located at the end of the support ring remote from the connection flange.

Optionally, a recessed portion is formed in the inner wall of the support cylinder, the recessed portion is communicated with the main oil path on the intermediate shaft, and a lubricating channel communicated with the recessed portion is formed in the side wall of the support cylinder;

the side wall of the supporting cylinder is provided with a distribution oil way communicated with the main oil way on the intermediate shaft, the side wall of the supporting cylinder is also provided with a plurality of distribution channels, and each distribution channel is communicated with the distribution oil way.

Optionally, the distribution oil path is axially arranged on the support cylinder; a plurality of the distribution channels are arranged axially on the side wall of the support cylinder.

Optionally, the supporting cylinder is provided with a plurality of sealing portions, the sealing portions are axially arranged on the supporting cylinder, and the diameter of the sealing portion close to the insertion end is smaller than that of the sealing portion far from the insertion end.

Optionally, the sealing part and the transmission housing are in interference fit through a sealing protrusion.

Optionally, the number of the sealing portions is two, the sealing protrusion close to the insertion end is located on the transmission housing, and the sealing protrusion far from the insertion end is located on the support cylinder.

In a second aspect, the present disclosure provides a gearbox comprising a support seat as described above.

In a second aspect, the present disclosure provides a vehicle comprising a gearbox as described above.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the supporting seat, the supporting seat can be reliably connected to the gearbox shell in a bolt connection mode and other modes through the arrangement of the connecting flange; through the arrangement of the supporting cylinder and the supporting ring, two acting points are equivalently provided for the intermediate shaft and the transmission shaft, the radial force generated by the intermediate shaft can be counteracted by the gearbox shell and the transmission shaft, and the radial force generated by the transmission shaft can be counteracted by the gearbox shell and the intermediate shaft; the pressure of the shell of the gearbox is effectively reduced, and the probability of deformation of the shell of the gearbox is reduced; meanwhile, the seesaw effect can be formed by utilizing the characteristic that the supporting cylinder and the supporting ring are respectively positioned at the two sides of the connecting flange, so that the structure of the supporting seat is better protected, and the probability of deformation of the supporting seat due to unbalanced stress is effectively reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic structural view of a support base installed in a transmission according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a support seat according to an embodiment of the disclosure;

fig. 3 is a schematic structural view of a distribution oil passage in the support seat according to the embodiment of the disclosure;

fig. 4 is a schematic structural view of a lubrication oil path in the support seat according to the embodiment of the disclosure.

Wherein, 1, supporting the cylinder; 11. a recessed portion; 12. a lubrication channel; 13. distributing oil ways; 14. a distribution channel; 15. a sealing part; 2. a connecting flange; 3. a support ring; 4. a transmission housing; 5. an intermediate shaft; 6. a drive shaft; 71. a first bearing; 72. a second bearing.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

The automobile gearbox is a set of speed changing devices used for coordinating the rotating speed of an engine and the actual running speed of wheels, and is used for exerting the optimal performance of the engine. The gearbox can generate different gear ratios between an engine and wheels in the running process of the automobile, so that the transmission of different gear rotating speeds is realized.

The automatic gearbox has the advantages of comfortable driving, capability of reducing fatigue of a driver and the like, and becomes a development direction of the configuration of modern cars. The automatic gearbox utilizes a planetary gear mechanism to change speed, can automatically change speed according to the degree of an accelerator pedal and the change of vehicle speed, and a driver only needs to operate the accelerator pedal to control the vehicle speed, so that the driver can watch road traffic in a full concentration without being confused by gear shifting.

Based on this, the embodiment provides a supporting seat, a gearbox and a vehicle, and through the arrangement of the connecting flange, the supporting seat can be reliably connected to the gearbox shell in a bolt connection mode and other modes; through the arrangement of the supporting cylinder and the supporting ring, two acting points are equivalently provided for the intermediate shaft and the transmission shaft, the radial force generated by the intermediate shaft can be counteracted by the gearbox shell and the transmission shaft, and the radial force generated by the transmission shaft can be counteracted by the gearbox shell and the intermediate shaft; the pressure of the shell of the gearbox is effectively reduced, and the probability of deformation of the shell of the gearbox is reduced; meanwhile, the seesaw effect can be formed by utilizing the characteristic that the supporting cylinder and the supporting ring are respectively positioned at the two sides of the connecting flange, so that the structure of the supporting seat is better protected, and the probability of deformation of the supporting seat due to unbalanced stress is effectively reduced. This is illustrated in detail by the following specific examples:

referring to fig. 1 to 4, the supporting seat of the present embodiment includes: the support device comprises a support cylinder 1, a connecting flange 2 and a support ring 3; the supporting cylinder 1, the connecting flange 2 and the supporting ring 3 are coaxially arranged; the supporting cylinder 1 is in inserting fit with the gearbox shell 4 and coaxially sleeved on the intermediate shaft 5; the connecting flange 2 is detachably connected with the gearbox shell 4; the support ring 3 is coaxially sleeved on the transmission shaft 6; in the axial direction, the support cylinder 1 and the support ring 3 are located on both sides of the connecting flange 2.

The supporting seat can be reliably connected to the gearbox shell 4 in a bolt connection mode and other modes through the arrangement of the connecting flange 2; through the arrangement of the support cylinder 1 and the support ring 3, two force points are equivalently provided for the intermediate shaft 5 and the transmission shaft 6, the radial force generated by the intermediate shaft 5 can be counteracted by the gearbox shell 4 and the transmission shaft 6, and the radial force generated by the transmission shaft 6 can be counteracted by the gearbox shell 4 and the intermediate shaft 5; the pressure of the gearbox shell 4 is effectively reduced, and the probability of deformation of the gearbox shell 4 is reduced; meanwhile, the seesaw effect can be formed by utilizing the characteristic that the support barrel 1 and the support ring 3 are respectively positioned at two sides of the connecting flange 2, so that the structure of the support seat is better protected, and the probability of deformation of the support seat due to unbalanced stress is effectively reduced.

In some embodiments, a first bearing 71 is provided between the support cylinder 1 and the intermediate shaft 5, and a second bearing 72 is provided between the support ring 3 and the drive shaft 6.

In a further embodiment, the first bearing 71 is located at the end of the support cylinder 1 remote from the connection flange 2, and/or the second bearing 72 is located at the end of the support ring 3 remote from the connection flange 2; the positions of the two ends of the connecting flange 2 are far away through the two bearing settings, so that the stability and the reliability of the whole supporting seat can be further improved, and the influence of shaking of the intermediate shaft 5 and the transmission shaft 6 can be reduced by better utilizing the axial length of the supporting seat and the strength of the supporting seat.

Continuing to refer to fig. 4, the inner wall of the support cylinder 1 is provided with a concave part 11, the concave part 11 is communicated with the main oil path on the intermediate shaft 5, and the side wall of the support cylinder 1 is provided with a lubricating channel 12 communicated with the concave part 11; a distribution oil way 13 communicated with a main oil way on the intermediate shaft 5 is formed in the side wall of the support cylinder 1, a plurality of distribution channels 14 are further formed in the side wall of the support cylinder 1, and each distribution channel 14 is communicated with the distribution oil way 13; the concave part 11 and the lubricating channel 12 are matched to form a lubricating oil path, so that lubricating oil is provided for the position connected with the lubricating channel 12 for lubrication, a lubricating space can be formed at the supporting cylinder 1 and the intermediate shaft 5, the flow distribution of a main oil path can be carried out by utilizing a supporting seat through the arrangement of the distribution oil path 13 and the distribution channel 14, and the actions such as oil pressure and the like can be established for the position connected with the distribution channel 14; the supporting seat can be utilized to form a part of an oil way by the aid of the structure of the supporting seat, the oil way does not need to be arranged around the supporting seat, and overall cost of the gearbox is greatly reduced.

With continued reference to fig. 3, the distribution oil path 13 is axially opened on the support cylinder 1; a plurality of distribution channels 14 are arranged axially on the side wall of the support cartridge 1; the axial space of the supporting cylinder 1 can be fully utilized, and each distribution channel 14 can be arranged in a staggered mode more conveniently and connected to different oil ways in the gearbox, wherein the distribution channels 14 can be arranged in a radial mode or in an inclined mode, and the distribution channels can be connected to set oil ways and can be machined conveniently.

In some embodiments, the supporting cylinder 1 is provided with a plurality of sealing portions 15, the plurality of sealing portions 15 are arranged on the supporting cylinder 1 along the axial direction, and the diameter of the sealing portion 15 close to the insertion end is smaller than that of the sealing portion 15 far away from the insertion end, that is, the diameter of the plurality of sealing portions 15 gradually decreases along the insertion direction of the supporting cylinder 1; the insertion end refers to the end of the support cylinder 1 along the movement direction of inserting the support cylinder to the gearbox shell 4; through a plurality of sealing 15 of arranging along the axial, and a plurality of sealing 15's diameter change design, make the sealing 15 diameter that is close to the end of inserting littleer, so when inserting the supporting cylinder 1 of supporting seat, can both guarantee the smooth hole through on the gearbox housing 4 of preceding sealing 15 always, can realize at the supporting cylinder 1 of supporting seat in the in-process of pegging graft gearbox housing 4, the grafting action is accomplished more smoothly, the efficient.

In a further embodiment, the seal portion 15 is interference-fitted with the transmission case 4 by a seal projection; it should be understood that when the sealing projection is provided on the sealing portion 15, the diameter of the sealing portion 15 is the maximum diameter of the sealing projection; the tight connection between the supporting cylinder 1 and the gearbox shell 4 is realized through interference fit, so that the fixing action is finished, and the sealing effect can be realized.

In some embodiments, the number of the sealing portions 15 is two, the sealing projection close to the insertion end is positioned on the transmission case 4, and the sealing projection far from the insertion end is positioned on the support cylinder 1; that is, the two sealing portions 15 realize the effect that the diameter of the sealing portion 15 close to the insertion end is smaller by the different arrangement positions of the sealing protrusions, thereby facilitating the insertion action of the support cylinder 1 of the support seat; it can be understood that, because the sealing portion 15 diameter near the insertion end is smaller, so in the whole insertion process of the support cylinder 1, the sealing portion 15 near the insertion end does not generate excessive friction with the gearbox housing 4, that is, almost no burr is generated due to the friction, the two sealing portions 15 arranged in this way only start to extrude with the gearbox housing 4 within a small distance before the support cylinder 1 moves to the final position, so as to realize interference fit, that is, the arrangement mode can generate less burrs when the support seat is installed, and after the burrs are generated, the support seat can only move for a small distance, the burrs can not be dragged for too long distance on the gearbox housing 4, and therefore, the probability that the burrs enter the oil circuit at the gearbox housing 4 is effectively reduced.

In a second aspect, the present disclosure provides a gearbox comprising a support shoe as described above.

The specific implementation manner and implementation principle are the same as those of the above embodiments, and the same or similar technical effects can be brought, which are not described herein any more, and reference may be made to the description of the above supporting seat embodiment.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A support base, comprising: the support device comprises a support cylinder (1), a connecting flange (2) and a support ring (3);

the supporting cylinder (1), the connecting flange (2) and the supporting ring (3) are coaxially arranged;

the supporting cylinder (1) is in plug fit with the gearbox shell (4) and coaxially sleeved on the intermediate shaft (5);

the connecting flange (2) is detachably connected with the gearbox shell (4);

the support ring (3) is coaxially sleeved on the transmission shaft (6);

in the axial direction, the support cylinder (1) and the support ring (3) are respectively located on both sides of the connecting flange (2).

2. A support seat according to claim 1, characterised in that a first bearing (71) is provided between the support cylinder (1) and the intermediate shaft (5), and a second bearing (72) is provided between the support ring (3) and the transmission shaft (6).

3. A support base according to claim 2, characterised in that the first bearing (71) is located at the end of the support cylinder (1) remote from the connection flange (2),

and/or the second bearing (72) is located at the end of the support ring (3) remote from the connection flange (2).

4. The supporting seat according to claim 1, wherein the inner wall of the supporting cylinder (1) is provided with a recess (11), the recess (11) is communicated with the main oil path on the intermediate shaft (5), and the side wall of the supporting cylinder (1) is provided with a lubricating channel (12) communicated with the recess (11);

the side wall of the supporting cylinder (1) is provided with a distribution oil way (13) communicated with the main oil way on the intermediate shaft (5), the side wall of the supporting cylinder (1) is further provided with a plurality of distribution channels (14), and each distribution channel (14) is communicated with the distribution oil way (13).

5. A support seat according to claim 4, wherein the distribution oil circuit (13) is axially provided on the support cylinder (1); a plurality of the distribution channels (14) are arranged in the axial direction on the side wall of the support cylinder (1).

6. A support base according to claim 1, wherein a plurality of sealing portions (15) are provided on the support sleeve (1), the plurality of sealing portions (15) are axially arranged on the support sleeve (1), and the diameter of the sealing portion (15) near the insertion end is smaller than the diameter of the sealing portion (15) far from the insertion end.

7. A support base according to claim 6, characterised in that the sealing portion (15) is in interference fit with the gearbox housing (4) by means of a sealing projection.

8. A support shoe according to claim 7, in which the number of sealing portions (15) is two, the sealing projection near the insertion end being located on the gearbox housing (4) and the sealing projection remote from the insertion end being located on the support cylinder (1).

9. A gearbox comprising a support base as claimed in any one of claims 1 to 8.

10. A vehicle comprising a gearbox according to claim 9.