CN214092967U

CN214092967U - Idler wheel mounting base, transmission and power assembly system

Info

Publication number: CN214092967U
Application number: CN202022588642.1U
Authority: CN
Inventors: 王福军; 李福文; 于晶; 徐飞; 郭佳伦
Original assignee: Suote Transmission Equipment Co Ltd
Current assignee: Suote Transmission Equipment Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-31
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a vehicle engineering technical field, concretely relates to idler mounting base, derailleur, power assembly system. An idler mounting base comprising: the base body is suitable for being arranged on the transmission, and a first mounting part is arranged on the base body; the supporting piece is integrally formed on the base body, and a second mounting part opposite to the first mounting part is arranged on the supporting piece; wherein the first mounting portion and the second mounting portion are adapted to support both ends of the idler shaft. The utility model discloses in through with the direct integrated into one piece of support piece on the base member, saved the step that support piece assembled on the base member, simplified the equipment, the processing of integration simultaneously, the concentricity in the shaft hole of installation idler shaft is higher between first installation department and second installation department, the processing degree of difficulty is lower, can bring saving of cost.

Description

Idler wheel mounting base, transmission and power assembly system

Technical Field

The utility model relates to a vehicle engineering technical field, concretely relates to idler mounting base, derailleur, power assembly system.

Background

The reverse idler assembly is typically mounted to the end housing of the transmission by a support bracket, typically in such a manner that the idler shaft in the idler assembly is supported at each end on the support bracket and the end housing. In order to support the idler shaft, shaft holes need to be machined in the supporting frame and the end shell.

However, the support frame in the prior art is generally assembled on the end casing in a split manner, and in order to ensure concentricity of the support frame and the shaft hole on the end casing, both the assembly precision and the machining precision of the support frame on the end casing are required to be high, so that the machining cost and the assembly efficiency are increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the equipment of split type assembly idler shaft support frame on the gearbox housing is complicated, the processing cost is high among the prior art to an idler mounting base, derailleur, powertrain system are provided.

In order to solve the above problem, the utility model provides an idler mounting base, include: the base body is suitable for being arranged on a transmission, and a first mounting part is arranged on the base body; the supporting piece is integrally formed on the base body, and a second mounting part opposite to the first mounting part is arranged on the supporting piece; wherein the first and second mounting portions are adapted to support both ends of an idler shaft.

Optionally, a boss is provided on an end surface of the base body facing the inside of the transmission, and the first mounting portion is configured as a blind hole structure formed on the boss.

Optionally, the support is arranged on an end face of the base body facing the transmission interior.

Optionally, the support member includes at least one arm disposed on the base and a cantilever connected to the arm, and the second mounting portion is disposed on the cantilever.

Optionally, the two support arms are oppositely arranged at two sides of the first mounting hole, and the cantilever is bridged between the two support arms.

The utility model discloses in still provide a derailleur and include: the idler mounting base of any one of the above; the idler wheel assembly comprises an idler wheel shaft, and two ends of the idler wheel shaft are respectively supported on the first mounting part and the second mounting part; and the limiting structure is arranged on the supporting piece and used for limiting the movement of the idler shaft.

Optionally, the limit structure includes:

one end of the limiting piece is connected to the shaft end, close to the supporting piece, of the idler shaft;

and the fastener is used for fastening the other end of the limiting piece on the support piece.

Optionally, the limiting member is configured as a locking plate structure, a locking groove matched with the locking plate structure is arranged on the circumferential surface of the idler shaft, and the limiting member is inserted into the locking groove.

Optionally, the idler assembly further comprises an idler disposed on the idler shaft, a spacing space is formed between the support and the base, and the idler is disposed in the spacing space.

The utility model discloses in still provide a power assembly system including in the aforesaid derailleur.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an idler mounting base includes: the base body is suitable for being arranged on the transmission, and a first mounting part is arranged on the base body; the supporting piece is integrally formed on the base body, and a second mounting part opposite to the first mounting part is arranged on the supporting piece; wherein the first mounting portion and the second mounting portion are adapted to support both ends of the idler shaft.

The utility model discloses in through with the direct integrated into one piece of support piece on the base member, saved the step that support piece assembled on the base member, simplified the equipment, the processing of integration simultaneously, the concentricity in the shaft hole of installation idler shaft is higher between first installation department and second installation department, the processing degree of difficulty is lower, can bring saving of cost.

2. The utility model provides an idler mounting base on the base member towards the inside terminal surface of derailleur on be provided with the boss, first installation department is constructed for the blind hole structure of shaping on the boss, and the blind hole structure is compared in prior art's through-hole structure, when the idler shaft installation, can prevent effectively that lubricating oil etc. from revealing from the position department of first installation department.

3. The utility model provides an idler mounting base in two support arms set up the both sides at first mounting hole relatively, the cantilever bridging between two support arms, two support arm settings are in order to guarantee the compactedness of structure in the both sides of first mounting hole, simultaneously, the cantilever bridging has guaranteed the stability of cantilever installation on two support arms.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an idler mounting base according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a transmission according to embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of a limiting structure in embodiment 2 provided by the present invention.

Description of reference numerals:

1. a substrate; 11. a first mounting portion;

2. a support member; 21. a second mounting portion; 22. a support arm; 23. a cantilever;

3. an idler assembly; 31. an idler shaft; 32. an idler pulley;

4. a limiting structure; 41. a limiting member; 42. a fastener.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1, an idler assembly base provided for this embodiment includes: the base body 1 is suitable for being arranged on a transmission, and a first mounting part 11 is arranged on the base body 1; at least one supporting piece 2 integrally formed on the base body 1, wherein the supporting piece 2 is provided with a second mounting part 21 opposite to the first mounting part 11; wherein the first mounting portion 11 and the second mounting portion 21 are adapted to support both ends of the idler shaft 31.

The base body 1 in this embodiment is a rear cover housing of the transmission, and is locked to a main body of the transmission by screws. As a variant, the base body 1 in the above can also be another housing part on the transmission.

The end face of the base body 1 facing the inside of the transmission in the present embodiment is integrally formed with a boss, and the first mounting portion 11 is configured as a blind hole structure formed on the boss. Compared with the through hole structure in the prior art, the blind hole structure can effectively prevent lubricating oil and the like from leaking out of the position of the first mounting part 11 when the idler shaft is mounted.

The support 2 in this embodiment is integrally formed on the end face of the base 1 facing the interior of the transmission. With the arrangement, when the base body is installed on the transmission, the support piece 2 is accommodated in the transmission, so that the problem of oil leakage at the shaft end of the idler shaft at the position of the support piece 2 is avoided.

As shown in fig. 1, the support member 2 includes two arms 22 oppositely disposed on both sides of the first mounting portion 11, a cantilever 23 bridging between the two arms 22, and a second mounting portion 21 formed on the cantilever 23. In the present embodiment, two support arms 22 are disposed on two sides of the first mounting portion 11 to ensure the compactness of the structure, and at the same time, the cantilever 23 is bridged on the two support arms 22 to ensure the stability of the installation of the cantilever 23.

As a variant, the number of the support elements 2 can also be only one, the cantilever 23 being connected directly to the end of the arm 22 remote from the base body 1, which is simpler in construction.

The number of the support members 2 in this embodiment is two so as to be suitable for power split of the double reverse idler.

Therefore, in the embodiment, the supporting piece 2 is directly and integrally formed on the base body, the step of assembling the supporting piece on the base body is omitted, the assembling is simplified, meanwhile, the integrated processing is realized, the concentricity of the shaft hole for installing the idler shaft between the first installation part and the second installation part is higher, the processing difficulty is lower, and the cost can be saved.

Example 2

As shown in fig. 2 and 3, a transmission provided for the present embodiment includes: the idler mounting base in embodiment 1 above; the idler wheel assembly 3 comprises an idler wheel shaft 31, and two ends of the idler wheel shaft 31 are respectively supported on the first mounting part 11 and the second mounting part 21; and a limiting structure 4 arranged on the support 2 and used for limiting the movement of the idler shaft 31.

The following specific explanation of the limiting structure is made:

the limit structure 4 in this embodiment includes: a retaining member 41 having one end connected to the end of the idler shaft 31 near the support member 2; and a fastening member 42 for fastening the other end of the retaining member 41 to the support member 2. Specifically, the limiting member 41 is configured as a locking plate structure, when the limiting member 41 is installed in place, a through hole is formed at one end of the limiting member 41 away from the idler shaft, the fastening member 42 is a common bolt structure, a screw hole is formed in the supporting member 2, and the limiting member 41 is attached to the supporting member 2 and locked by the bolt. The circumferential surface of the idler shaft 31 is provided with a lock groove matched with the lock plate structure, and the other end of the limiting member 41 is inserted into the lock groove. Therefore, the limiting structure in the embodiment is simple, convenient and fast to install, the grooves only need to be processed on the circumferential surface of the idler shaft, the processing technology is simple, and the cost is low.

The idler assembly 3 of this embodiment further includes an idler 32 disposed on the idler shaft 31, and a needle bearing sleeved on the idler shaft 31, wherein the idler 32 is sleeved on the needle bearing, wherein a space is formed between the support member 2 and the base 1 for facilitating the installation of the idler, and the idler 32 is accommodated in the space. Further, the idler assembly 3 in this embodiment further includes washers provided at both end faces of the idler 32. The gaskets are annular gaskets and are respectively arranged between one end face of the base body 1 and one end face of the idle wheel and between the support 2 and the other opposite end face of the idle wheel so as to realize axial limiting and fixing of the idle wheel.

Example 3

This embodiment provides a powertrain system including the transmission of embodiment 2 and having all the technical advantages thereof, which are not described herein.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An idler mounting base, comprising:

the transmission comprises a base body (1) and a first mounting portion (11), wherein the base body (1) is suitable for being arranged on a transmission;

at least one supporting piece (2) integrally formed on the base body (1), wherein a second mounting part (21) opposite to the first mounting part (11) is arranged on the supporting piece (2);

wherein the first mounting portion (11) and the second mounting portion (21) are adapted to support both ends of an idler shaft (31).

2. The idler mounting base according to claim 1, wherein a boss is provided on an end face of the base body (1) facing the transmission interior, the first mounting portion (11) being configured as a blind hole structure formed on the boss.

3. The idler mounting base according to claim 1, wherein the support (2) is provided on an end face of the base body (1) facing the transmission interior.

4. The idler mounting base according to any one of claims 1-3, wherein the support member (2) includes at least one arm (22) disposed on the base (1) and a cantilevered arm (23) connected to the arm (22), the second mount portion (21) being disposed on the cantilevered arm (23).

5. The idler mounting base of claim 4 wherein two of the arms (22) are oppositely disposed on opposite sides of the first mounting portion (11), the cantilevered arm (23) bridging between the two arms (22).

6. A transmission, comprising:

the idler mounting base of any one of claims 1-5;

the idler wheel assembly (3) comprises an idler wheel shaft (31), and two ends of the idler wheel shaft (31) are respectively supported on the first mounting portion (11) and the second mounting portion (21);

and the limiting structure (4) is arranged on the support (2) and used for limiting the movement of the idler shaft (31).

7. Transmission according to claim 6, characterized in that said limit structure (4) comprises:

a limiting piece (41), one end of which is connected to the shaft end of the idler shaft (31) close to the support piece (2);

and the fastening piece (42) is used for fastening the other end of the limiting piece (41) on the supporting piece (2).

8. The gearbox according to claim 7, characterized in that the limit stop (41) is configured as a locking plate structure, a locking groove cooperating with the locking plate structure is provided on the circumferential surface of the idler shaft (31), and the limit stop (41) is plugged into the locking groove.

9. The transmission according to claim 8, characterized in that the idler assembly (3) further comprises an idler (32) arranged on the idler shaft (31), a spacing space being formed between the support (2) and the base body (1), the idler (32) being arranged in the spacing space.

10. A powertrain system, comprising:

the transmission of claim 9.