CN113898719A

CN113898719A - Connecting assembly of stator shaft and brake outer hub and stator shaft

Info

Publication number: CN113898719A
Application number: CN202111157493.6A
Authority: CN
Inventors: 杜鑫; 万全喜; 宋廷彬; 魏文书
Original assignee: Shengrui Transmission Co Ltd
Current assignee: Shengrui Transmission Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-07
Anticipated expiration: 2041-09-30
Also published as: CN113898719B

Abstract

The utility model relates to a stopper technical field especially relates to a stator axle and brake outer hub and stator shaft's connection assembly. Wherein the stator shaft includes the stator shaft main part, and the oil groove is seted up to the outer wall of stator shaft main part, sets up first through-hole on the oil groove, and the oil groove is used for contacting with the outer hub of stopper, and the outer hub of stopper covers on the surface of oil groove, makes the first oilhole in oil groove and the outer hub of stopper communicate with each other, and the oil groove is arranged in changing the oil in the first oilhole to first through-hole, can make oil flow direction oil groove through first oilhole promptly, then flow direction first through-hole, enters into the inside of stator shaft main part at last. Therefore, a sealing sleeve does not need to be arranged separately to cover the surface of the oil groove, the structure is simplified, and the cost is reduced.

Description

Connecting assembly of stator shaft and brake outer hub and stator shaft

Technical Field

The utility model relates to a stopper technical field especially relates to a stator axle and brake outer hub and stator shaft's connection assembly.

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. Automatic transmissions, which are the most commonly used ones, have the advantages of driving comfort, reducing driver fatigue, etc., and have been the direction of development in modern car configurations, typically include several parts, including a housing, a torque converter, a gear transmission, an oil pump, a control system, a manual link mechanism, and a cooling system. The torque converter is located at an end portion of the automatic transmission, is mounted on a flywheel of the engine, and transmits power of the engine to an input shaft of the automatic transmission by using a hydraulic principle. The oil pump is usually installed behind the torque converter, and is directly driven by the flywheel through the torque converter, so as to provide hydraulic oil with certain pressure for the work of the torque converter, the control system and the gear shifting execution mechanism.

The side of the hydraulic torque converter facing to the output shaft of the transmission is provided with a stator shaft, the stator shaft is positioned between the output shaft of the hydraulic torque converter and the input shaft of the transmission, the stator shaft and the output shaft of the hydraulic torque converter rotate relatively, the stator shaft is fixedly connected with an outer hub of the brake, and the outer hub of the brake is fixed on the inner wall of the transmission shell. In the prior art, the inner wall of the stator shaft is provided with an oil groove, but when the stator shaft and the outer hub are fixed, the inner wall of the stator shaft needs to be provided with a sealing sleeve to seal the oil groove, so that the structure is complex.

Disclosure of Invention

To solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a stator shaft and a connection assembly of a brake outer hub and the stator shaft.

The present disclosure provides a stator shaft for connection with a brake outer hub, comprising: the stator shaft comprises a stator shaft main body, wherein an oil groove is formed in the outer wall of the stator shaft main body, and a first through hole is formed in the oil groove;

the oil groove is used for contacting with the brake outer hub, the brake outer hub covers the surface of the oil groove, the oil groove is communicated with a first oil hole in the brake outer hub, the first through hole is arranged in a staggered mode with the first oil hole, and the oil groove is used for converting oil in the first oil hole to the first through hole.

Optionally, the stator shaft main body is further provided with a plurality of second through holes, the brake outer hub is further provided with a plurality of second oil holes, and the second through holes are communicated with the second oil holes.

Optionally, the oil groove is a rectangular groove.

Optionally, one end of the stator shaft main body has a boss.

The present disclosure also provides a connection assembly of a brake outer hub and a stator shaft, including: the brake outer hub, the intermediate shaft and the stator shaft;

the stator shaft is sleeved outside the middle shaft, and the middle shaft is rotationally connected with the stator shaft; the outer hub of stopper is established to the outside cover of stator axle, just the stator axle with the outer hub fixed connection of stopper.

Optionally, the stator shaft is provided with a bearing, the bearing is located between the intermediate shaft and the stator shaft, and the bearing is located at the tail end of the stator shaft.

Optionally, the outer wall of the intermediate shaft is provided with a first groove, the inner wall of the stator shaft is provided with a first sealing portion, and the first sealing portion extends into the first groove.

Optionally, the tail end of the stator shaft has a protruding portion, and the protruding portion abuts against the tail end of the brake outer hub.

Optionally, the brake further comprises an input chain wheel, the input chain wheel is located at one end, far away from the protruding portion, of the brake outer hub, and the input chain wheel is sleeved outside the stator shaft.

Optionally, the inner wall of the input sprocket is provided with a second sealing portion, the outer wall of the stator shaft is provided with a second groove, and the second sealing portion extends into the second groove.

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

the stator shaft that this disclosed embodiment provided includes the stator shaft main part, the oil groove is seted up to the outer wall of stator shaft main part, set up first through-hole on the oil groove, the oil groove is used for contacting with the outer hub of stopper, and the outer hub of stopper covers the surface at the oil groove, make the first oilhole in oil groove and the outer hub of stopper communicate with each other, first through-hole and first oilhole dislocation set, the oil groove is arranged in converting the oil in the first oilhole to first through-hole, can make oil flow to the oil groove through first oilhole promptly, then flow to first through-hole again through the recess, enter into the inside of stator shaft main part at last. Therefore, a sealing sleeve does not need to be arranged separately to cover the surface of the oil groove, the structure is simplified, and the cost is 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 view of a prior art stator shaft configuration;

FIG. 2 is a schematic structural view of a prior art connection assembly of a brake outer hub and a stator shaft;

FIG. 3 is a partial enlarged view based on FIG. 2;

FIG. 4 is a schematic structural view of a stator shaft according to the present embodiment;

FIG. 5 is a schematic structural view of a connecting assembly of the brake outer hub and the stator shaft according to the present embodiment;

fig. 6 is a partially enlarged view of a portion a based on fig. 5;

fig. 7 is a partially enlarged view of a portion B in fig. 5.

Wherein the content of the first and second substances,

1. a stator shaft body; 11. an oil sump; 111. a first through hole; 112. a first side wall; 113. a second side wall; 12. a second through hole; 13. a first seal portion; 14. a boss portion; 15. a second groove; 2. a brake outer hub; 3. an intermediate shaft; 31. a first groove; 4. a bearing; 5. an input sprocket; 51. a second seal portion.

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.

As shown in fig. 1-3, the oil groove 3a in the prior art is provided on the inner wall of the stator shaft 1a, connected to the brake outer hub 2a, and sleeved outside the intermediate shaft 5a, and then a sealing sleeve 4a needs to be provided on the inner wall of the stator shaft 1a for partially sealing the oil groove 3a, so that the process for providing the oil groove 3a on the inner wall during processing is complex, and the structure during installation is complex.

In order to solve the above technical problem, the embodiments of the present disclosure provide a novel stator shaft.

Referring to fig. 4, the present disclosure provides a stator shaft including a stator shaft main body 1, an oil groove 11 is formed in an outer wall of the stator shaft main body 1, a first through hole 111 is formed in the oil groove 11, the oil groove 11 is configured to contact with a brake outer hub 2, and the brake outer hub 2 covers a surface of the oil groove 11, so that the oil groove 11 communicates with a first oil hole in the brake outer hub 2, the first through hole 111 and the first oil hole are arranged in a staggered manner, and the oil groove 11 is configured to convert oil in the first oil hole to the first through hole 111, that is, oil can flow to the oil groove 11 through the first oil hole, then flow to the first through hole 111 through the oil groove 11, and finally enter the inside of the stator shaft main body 1. Therefore, a sealing sleeve does not need to be separately arranged to cover the surface of the oil groove 11, the structure is simplified, and the cost is reduced.

Because the oil groove 11 is opened at the outer wall of the stator shaft main body 1, the processing is easier, and simultaneously, the punching on the oil groove 11 is more convenient, thereby achieving multiple purposes.

Wherein, first through-hole 111 and first oilhole dislocation set, consequently need oil groove 11 to change, stopper outer hub 2 covers the surface at oil groove 11 during the use, makes oil groove 11 and stopper outer hub 2 form the cavity, then the oil in the first oilhole on the stopper outer hub 2 flows into oil groove 11, makes oil flow to inside stator shaft main part 1 through first oilhole through the conversion of oil groove 11.

In addition, the oil groove 11 may be a rectangular groove, the first oil hole may be located at one end of the oil groove 11, and the first through hole may be located at the other end of the oil groove 11.

The stator shaft main body has a boss at one end thereof, and the boss abuts against the brake outer hub.

In some embodiments, the first through-hole 111 is located at the first sidewall 112 and/or the second sidewall 113 of the oil sump 11. The positions of the first through holes 111 are different due to the different positions of the openings. Particularly according to the use requirement.

In some embodiments, the stator shaft main body 1 further defines a plurality of second through holes 12, the brake outer hub 2 further defines a plurality of second oil holes, the second through holes 12 communicate with the second oil holes, and oil in the second oil holes flows to the interior of the stator shaft main body 1 through the second through holes 12.

In conclusion, the stator shaft that this disclosed embodiment provided is through offering oil groove 11 at the outer wall of stator shaft main part 1, stopper outer hub 2 covers on the surface of oil groove 11 during the use, make oil groove 11 and stopper outer hub 2 form the cavity, then the oil in the first oilhole on the stopper outer hub 2 flows into oil groove 11, conversion through oil groove 11 makes oil flow to stator shaft main part 1 inside through first oil hole, do not need to set up the seal cover alone and cover on the surface of oil groove 11, not only simplified the structure, and the cost is still reduced, and the simultaneous processing is also more convenient.

Referring to fig. 5 to 7, an embodiment of the present disclosure further provides a connection assembly of a brake outer hub 2 and a stator shaft, including: a brake outer hub 2, an intermediate shaft 3 and a stator shaft; a stator shaft is sleeved outside the intermediate shaft 3, and the intermediate shaft 3 is rotatably connected with the stator shaft; the outer hub 2 of stopper is established to the outside cover of stator axle, and stator axle and the outer hub 2 fixed connection of stopper. When the brake is used, oil in the first oil hole in the brake outer hub 2 flows into the oil groove 11, the oil flows into the stator shaft main body 1 through the first oil hole by conversion of the oil groove 11, namely, the oil flows between the stator shaft and the intermediate shaft 3, then the oil flows into the intermediate shaft 3 through the hole in the intermediate shaft 3, and flows into the clutch through the intermediate shaft 3.

The connecting assembly of the brake outer hub 2 and the stator shaft further comprises a bearing 4, the bearing 4 is located between the intermediate shaft 3 and the stator shaft, and the bearing 4 is located at the tail end of the stator shaft. Because the bearing 4 in the prior art needs to be matched with a sealing sleeve and needs to realize rectangular sealing, the bearing 4 in the prior art is a special-shaped bearing 4 and needs to be separately processed, which is relatively troublesome. The bearing 4 of the present disclosure does not need to be matched with a sealing sleeve, and the rectangular sealing is realized between the stator shaft and the intermediate shaft 3, so that the bearing 4 at the position can be a universal bearing 4, and the processing cost can also be reduced.

In addition, the outer wall of the intermediate shaft 3 is provided with a first groove 31, the inner wall of the stator shaft is provided with a first sealing part 13, and the first sealing part 13 extends into the first groove 31, so that the sealing of the position is realized.

In some embodiments, the tail end of the stator shaft has a boss 14, and the boss 14 abuts against the tail end of the brake outer hub 2, so that the two are connected more firmly.

The connecting assembly of the brake outer hub 2 and the stator shaft further comprises an input chain wheel 5, the input chain wheel 5 is located at one end, far away from the protruding portion 14, of the brake outer hub 2, the input chain wheel 5 is sleeved outside the stator shaft, and the input chain wheel 5 and the protruding portion 14 are equivalent to two ends, abutted to the controller outer hub, of the input chain wheel 5 and the protruding portion 14.

In addition, the inner wall of the input chain wheel 5 is provided with a second sealing part 51, the outer wall of the stator shaft is provided with a second groove 15, and the second sealing part 51 extends into the second groove 15, so that the sealing of the position is realized.

The above-mentioned stator shaft is externally covered with the brake outer hub 2, and in order to increase the covering area of the stator shaft outer wall, the length of the brake outer hub 2 needs to be lengthened, thereby shortening the input sprocket 5. The brake outer hub 2 is partially lengthened compared to the conventional brake outer hub 2, and the input sprocket 5 is partially shortened compared to the conventional input sprocket 5.

It should be noted that the important protection here is the stator shaft and the portion of the stator shaft connected to the brake outer hub, as mentioned in the above embodiments. The specific structure of the intermediate shaft 3, the connection relationship between the input sprocket and the brake outer hub 2, and the like are conventional technologies and are not specifically described herein.

In conclusion, the brake outer hub 2 and stator shaft connection assembly provided by the embodiment of the disclosure does not need to separately set a sealing sleeve to cover the surface of the oil groove 11, and the bearing 4 can also adopt a universal bearing 4, so that the structure is simplified, the cost is reduced, and the processing is more convenient.

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. A stator shaft for connection with a brake outer hub (2), comprising: the stator shaft comprises a stator shaft main body (1), wherein an oil groove (11) is formed in the outer wall of the stator shaft main body (1), and a first through hole (111) is formed in the oil groove (11);

the oil groove (11) is used for contacting with the brake outer hub (2), the brake outer hub (2) covers the surface of the oil groove (11), the oil groove (11) is communicated with a first oil hole in the brake outer hub (2), the first through hole (111) is arranged in a staggered mode, and the oil groove (11) is used for converting oil in the first oil hole into the first through hole (111).

2. The stator shaft according to claim 1, wherein the stator shaft main body (1) is further provided with a plurality of second through holes (12), the brake outer hub (2) is further provided with a plurality of second oil holes, and the second through holes (12) are communicated with the second oil holes.

3. A stator shaft according to claim 1, characterized in that the oil groove (11) is a rectangular groove.

4. A stator shaft according to claim 1, characterized in that one end of the stator shaft body (1) has a boss.

5. A connection assembly of a brake outer hub (2) and a stator shaft, characterized by comprising: a brake outer hub (2), an intermediate shaft (3) and a stator shaft according to any one of claims 1 to 4;

the stator shaft is sleeved outside the middle shaft (3), and the middle shaft (3) is rotatably connected with the stator shaft; the outer hub (2) of stopper is established to the outside cover of stator axle, just the stator axle with outer hub (2) fixed connection of stopper.

6. The connection assembly of the brake outer hub (2) and the stator shaft according to claim 5, characterized in that it further comprises a bearing (4), said bearing (4) being located between the intermediate shaft (3) and the stator shaft, and said bearing (4) being located at the tail end of the stator shaft.

7. The connection assembly of the brake outer hub (2) and the stator shaft according to claim 5, characterized in that the outer wall of the intermediate shaft (3) is provided with a first groove (31), the inner wall of the stator shaft is provided with a first sealing portion (13), and the first sealing portion (13) extends into the first groove (31).

8. The connection assembly of the brake outer hub (2) and the stator shaft according to claim 5, characterized in that the tail end of the stator shaft has a boss (14), and the boss (14) abuts against the tail end of the brake outer hub (2).

9. The connecting assembly of the brake outer hub (2) and the stator shaft according to claim 8, further comprising an input chain wheel (5), wherein the input chain wheel (5) is located at one end of the brake outer hub (2) far away from the protruding portion (14), and the input chain wheel (5) is sleeved outside the stator shaft.

10. The connection assembly of the brake outer hub (2) and the stator shaft according to claim 9, characterized in that the inner wall of the input sprocket (5) is provided with a second sealing portion (51), the outer wall of the stator shaft is provided with a second groove (15), and the second sealing portion (51) extends into the second groove (15).