CN213064403U

CN213064403U - Support plate for brake outer hub

Info

Publication number: CN213064403U
Application number: CN202021208759.6U
Authority: CN
Inventors: 辛国强; 王成立; 张广瀚; 杨震
Original assignee: Shengrui Transmission Co Ltd
Current assignee: Shengrui Transmission Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-27
Anticipated expiration: 2030-06-24

Abstract

The disclosure relates to the technical field of automatic transmissions and provides a supporting plate for an outer hub of a brake. This backup pad includes the backup pad body, and one side of backup pad body is equipped with the installation department, and the one end of input shaft is connected with the input sprocket, is connected through the chain between the oil pump sprocket of input sprocket and oil pump, and the direction extension of input sprocket towards the outer hub of stopper is equipped with the support cover, and the inside of installation department is equipped with the supporting part towards its axis direction extension, and the supporting part supports the one side of keeping away from the outer hub of stopper at the input sprocket, and the supporting part forms the cavity with the inner wall of installation department. This is disclosed prevents through the outer hub of backup pad sealing brake that hydraulic oil from flowing, and the inner wall of installation department is equipped with the supporting part, through supporting part restriction input sprocket position, simple structure, and the chain rotates and sets up in the cavity, prevents that the chain from droing and throws away, increases the security of derailleur, and multiple functions can be realized to the backup pad of this kind of setting mode, and the integrated level is high, effectively utilizes the inner space of derailleur.

Description

Support plate for brake outer hub

Technical Field

The present disclosure relates to automatic transmissions, and more particularly to a support plate for a brake outer hub.

Background

An automotive transmission is a set of transmission devices for coordinating the rotational speed of an engine and the actual driving speed of wheels, and is used for exerting the best performance of the engine. The transmission can generate different gear ratios between an engine and wheels during the running process of the automobile, and the transmission of rotating speeds of different gears is realized.

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

Among them, the automatic transmission has advantages of comfortable driving, reducing fatigue of driver, etc., and has become a development direction of modern car configuration. The automatic transmission 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.

The automatic transmission comprises a shell, a plurality of planetary transmission assemblies and a plurality of shifting elements, wherein the plurality of planetary transmission assemblies and the plurality of shifting elements are arranged in the shell, the shifting elements comprise clutches and brakes, and the transmission relation among the different planetary transmission assemblies is controlled through opening and closing of the clutches and the brakes, so that the transmission ratio of the transmission is changed. The outer hub of the brake at the edge is connected with the inner wall of the shell, an oil supply pipeline is integrated on the outer hub of the brake and used for supplying oil to structures such as an input shaft and a corresponding clutch, an oil pump of the transmission is installed on the outer hub, the flywheel is directly driven by the hydraulic torque converter and provides hydraulic oil with certain pressure for the work of the hydraulic torque converter, the control system and the gear shifting execution mechanism, and a supporting plate is arranged at the end part of the outer hub and used for sealing an oil way. However, the supporting plate in the prior art can only achieve the effect of sealing the oil passage of the outer hub, so that the functions are limited, the integration level is poor, and the internal space of the transmission cannot be well saved.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a support plate for a brake outer hub.

The present disclosure provides a support plate for a brake outer hub, comprising a support plate body for connection with the brake outer hub, a mounting part for inserting an input shaft of the hydraulic torque converter is arranged on one side of the supporting plate body away from the outer hub of the brake, the mounting part is in running fit with the input shaft, one end of the input shaft inserted into the mounting part is connected with an input chain wheel, the input chain wheel is connected with an oil pump chain wheel of an oil pump through a chain, a support sleeve is arranged on the input chain wheel in an extending way towards the direction of the brake outer hub, the support sleeve is matched with the brake outer hub in a rotating way, a support part extends towards the axis direction of the installation part from the inside of the installation part, the supporting part supports one side that input sprocket keeps away from the outer hub of stopper, the supporting part with the inner wall of installation department forms and is used for holding the cavity of chain.

Optionally, the input sprocket includes a sprocket base and a sprocket body, the sprocket base is used for connecting with the input shaft, the sprocket body is disposed on one side of the sprocket base facing the brake outer hub, the support portion is supported on a side surface of the sprocket body, and the support sleeve is formed by extending the sprocket body in a direction facing the brake outer hub.

Optionally, a seal ring is arranged between the sprocket base and the input shaft.

Optionally, the supporting part includes by the inner wall orientation of installation department one side of the outer hub of stopper extends the changeover portion that sets up, the tip orientation of changeover portion the axial direction of input shaft extends and is equipped with the support section, the support section supports input sprocket keeps away from one side of the outer hub of stopper, the changeover portion with the inner wall of installation department forms the cavity.

Optionally, the mounting portion is provided with a through hole through which the chain can pass.

Optionally, the mounting portion is connected to the input shaft through a bearing.

Optionally, a dodging opening is formed in the position, corresponding to the oil pump, of the supporting plate body.

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

this is disclosed prevents through the outer hub of backup pad sealing brake that hydraulic oil from flowing, and the inner wall of installation department is equipped with the supporting part, through supporting part restriction input sprocket position, simple structure, and the chain rotates and sets up in the cavity, prevents that the chain from droing and throws away, increases the security of derailleur, and multiple functions can be realized to the backup pad of this kind of setting mode, and the integrated level is high, effectively utilizes the inner space of derailleur.

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 view of a support plate mounted on a brake outer hub according to an embodiment of the present disclosure;

FIG. 2 is a top view of the support plate mounted to the brake outer hub according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of the support plate mounted to the brake outer hub according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic view of a support portion according to an embodiment of the disclosure.

Wherein, 1, brake outer hub; 2. a support plate body; 21. avoiding the mouth; 3. an installation part; 4. An input shaft; 41. a seal ring; 42. a bearing; 5. an input sprocket; 51. a sprocket base; 52. A sprocket body; 6. an oil pump sprocket; 7. a chain; 8. a support sleeve; 9. a support portion; 91. a transition section; 92. a support section.

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.

Referring to fig. 1, 2 and 3, the support plate for the brake outer hub provided in the embodiment of the present application includes a support plate body 2 for being connected with the brake outer hub 1, wherein the support plate body 2 is disposed at one end of the brake outer hub 1 and is used for sealing an oil passage, and the support plate body 2 and the brake outer hub 1 are connected by a bolt, so as to be conveniently disassembled and assembled. Referring to fig. 1, 3 and 4, a mounting portion 3 into which an input shaft 4 of the torque converter can be inserted is disposed on a side of the support plate body 2 away from the brake outer hub 1, that is, a mounting hole is disposed at an end portion of the mounting portion 3, the input shaft 4 is inserted into the mounting hole, the mounting portion 3 is rotationally matched with the input shaft 4, and further, preferably, the mounting portion 3 is connected with the input shaft 4 through a bearing 42.

Combine fig. 3, fig. 4 and fig. 5 to show, the one end that input shaft 4 inserted installation department 3 is connected with input sprocket 5, is connected through chain 7 between input sprocket 5 and the oil pump sprocket 6 of oil pump, and the oil pump setting is on the outer hub 1 of stopper, sets up the oil pump casing on the outer hub 1 of stopper promptly, and the oil pump setting drives oil pump sprocket 6 through the rotation of input shaft 4 and rotates in the oil pump casing, and then drives oil pump work. Further optimally, the mounting part 3 is provided with a through hole for the chain 7 to pass through, so that the chain 7 can be conveniently arranged.

Referring to fig. 4 and 5, the input sprocket 5 is located inside the mounting portion 3, and the input sprocket 5 is provided with a support sleeve 8 extending toward the brake outer hub 1, the support sleeve 8 is supported at the end of the brake outer hub 1, and the support sleeve 8 is rotatably engaged with the brake outer hub 1. Further optimally, a thrust washer may be provided at the connection of the support sleeve 8 and the brake outer hub 1. The inside of installation portion 3 is extended towards its axial direction and is equipped with supporting part 9, and supporting part 9 supports in the side that input sprocket 5 keeps away from outer hub 1 of stopper, and supporting part 9 forms the cavity that is used for holding chain 7 with the inner wall of installation portion 3.

This is disclosed seals stopper outer hub 1 through the backup pad, prevent that hydraulic oil from flowing, the inner wall of installation department 3 is equipped with supporting part 9, through the position of supporting part 9 and stopper outer hub 1 restriction input sprocket 5, and then the position of restriction input shaft 4, moreover, the steam generator is simple in structure, and chain 7 rotates and sets up in the cavity, prevent that chain 7 from droing and throw away, increase the security of derailleur, multiple functions can be realized to this kind of backup pad that sets up the mode, the integrated level is high, effectively utilize the inner space of derailleur.

As shown in fig. 3 and 4, the input sprocket 5 includes a sprocket base 51 and a sprocket body 52, the sprocket base 51 is used for connecting with the input shaft 4, wherein a sealing ring 41 is provided between the sprocket base 51 and the input shaft 4 to prevent hydraulic oil from flowing away through a gap between the sprocket base 51 and the input shaft 4. The sprocket body 52 is arranged on the side of the sprocket base 51 facing the brake outer hub 1, the sprocket body 52 is arranged in the mounting part 3, the supporting part 9 is supported on the side surface of the sprocket body 52, particularly on the side of the sprocket body 52 far away from the brake outer hub 1, and the supporting sleeve 8 is formed by extending the sprocket body 52 towards the brake outer hub 1.

As shown in fig. 4 and 5, the supporting portion 9 includes a transition section 91 extending from the inner wall of the mounting portion 3 toward one side of the brake outer hub 1, a supporting section 92 extending from an end of the transition section 91 toward the axial direction of the input shaft 4, the supporting section 92 being supported on one side of the input sprocket 5 away from the brake outer hub 1, and the transition section 91 and the inner wall of the mounting portion 3 forming a cavity. The supporting portion 9 is simple in structure and small in occupied space, can play a role in limiting the position of the input sprocket 5, and meanwhile prevents the chain 7 from being separated.

Referring to fig. 1 and 2, an avoiding opening 21 is provided at a position of the support plate body 2 corresponding to the oil pump. Keep away mouthful 21 through the setting and make the oil pump can dismantle the setting on the outer hub 1 of stopper for the oil pump need not to dismantle backup pad body 2 at the dismantlement in-process, increases the convenience of oil pump dismouting.

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 an … …" does not exclude the presence of other identical elements 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. The supporting plate for the outer hub of the brake is characterized by comprising a supporting plate body (2) connected with the outer hub (1) of the brake, wherein an installation part (3) which can be inserted by an input shaft (4) of a hydraulic torque converter is arranged on one side of the outer hub (1) of the brake, the installation part (3) is in running fit with the input shaft (4), one end of the input shaft (4) which is inserted into the installation part (3) is connected with an input chain wheel (5), the input chain wheel (5) is connected with an oil pump chain wheel (6) of an oil pump through a chain (7), the input chain wheel (5) extends towards the outer hub (1) of the brake to be provided with a supporting sleeve (8), the supporting sleeve (8) is in running fit with the outer hub (1) of the brake, and a supporting part (9) extends towards the axis direction of the installation part (3), the supporting part (9) is supported on one side of the input chain wheel (5) far away from the brake outer hub (1), and the supporting part (9) and the inner wall of the mounting part (3) form a cavity for accommodating the chain (7).

2. The support plate for a brake outer hub according to claim 1, wherein the input sprocket (5) comprises a sprocket base (51) and a sprocket body (52), the sprocket base (51) being adapted to be connected to the input shaft (4), the sprocket body (52) being disposed on a side of the sprocket base (51) facing the brake outer hub (1), the support portion (9) being supported on a side of the sprocket body (52), the support sleeve (8) being formed by the sprocket body (52) extending in a direction toward the brake outer hub (1).

3. Support plate for a brake outer hub according to claim 2, characterized in that a sealing ring (41) is provided between the sprocket base (51) and the input shaft (4).

4. The support plate for the brake outer hub according to claim 1, wherein the support portion (9) includes a transition section (91) extending from the inner wall of the mounting portion (3) toward one side of the brake outer hub (1), an end portion of the transition section (91) extends toward the axial direction of the input shaft (4) to form a support section (92), the support section (92) is supported on a side of the input sprocket (5) away from the brake outer hub (1), and the transition section (91) and the inner wall of the mounting portion (3) form the cavity.

5. Support plate for a brake outer hub according to claim 1, characterized in that the mounting portion (3) is provided with a through hole through which the chain (7) can pass.

6. Support plate for a brake outer hub according to claim 1, characterized in that the connection between the mounting portion (3) and the input shaft (4) is by means of a bearing (42).

7. The support plate for a brake outer hub according to claim 1, characterized in that an escape opening (21) is provided on the support plate body (2) at a position corresponding to the oil pump.