CN212709661U - Rocker arm support assembly, rocker arm assembly and vehicle - Google Patents

Abstract

The utility model provides a rocking arm bracket component, rocking arm subassembly and vehicle, wherein, rocking arm bracket component includes: the rocker arm bracket is used for being connected with the mounting surface; the supporting shaft is connected with the rocker arm support and used for being connected with the rocker arm, and the supporting shaft and the rocker arm support are of a split structure. Through the technical scheme of the utility model, simplified the structure of rocking arm subassembly effectively, reduced the degree of difficulty of rocking arm subassembly's blank manufacturing and processing, reduced rocking arm subassembly's weight, still promoted the convenience of rocking arm subassembly equipment and maintenance.

Description

Rocker arm support assembly, rocker arm assembly and vehicle

Technical Field

The utility model relates to vehicle equipment technical field particularly, relates to a rocker arm bracket component, a rocker arm subassembly and a vehicle.

Background

At present, a steering rocker arm support and a support shaft commonly used for a truck are of an integrated structure, the forging difficulty is high, the blank manufacturing and machining process is complex, the weight is high, and the bearing structure is arranged between a rocker arm and the shaft, so that the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Embodiments according to the present invention aim to at least ameliorate one of the technical problems of the prior art or the related art.

In view of the above, it is an object of embodiments of the present invention to provide a rocker arm support assembly.

It is another object according to an embodiment of the present invention to provide a rocker arm assembly.

It is yet another object according to an embodiment of the present invention to provide a vehicle.

In order to achieve the above object, according to the present invention, an embodiment of a first aspect provides a rocker arm bracket assembly, including: the rocker arm bracket is used for being connected with the mounting surface; the supporting shaft is connected with the rocker arm support and used for being connected with the rocker arm, and the supporting shaft and the rocker arm support are of a split structure.

In this technical scheme, rocker arm support and back shaft set up to split type structure, and split a big whole for two little parts, are favorable to simplifying the structure, reduce the degree of difficulty that the blank forged and processed, reduce the complexity of technology, and two widgets can design in a flexible way separately, simple to operate, and the basis weight of every widget is lighter, is convenient for carry and save. The mounting surface may be a surface of a cross member, a side member, or other component on the vehicle.

In the above technical solution, the rocker arm stand includes: the connecting part is used for connecting the rocker arm bracket with the mounting surface; the cantilever is fixedly connected with the connecting part and is sleeved on the supporting shaft.

In this technical scheme, the cantilever directly cup joints on the back shaft, rather than the mode that adopts the bearing to connect, simple structure, easily installation, and because parts such as bearings have been reduced, the structure has been simplified, still makes the holistic weight of rocking arm bracket component alleviate, has realized the lightweight design of rocking arm bracket component. The rocker arm support comprises a connecting part and a cantilever, and is simple in structure and easy to produce and forge. The rocker arm support can be connected with the mounting surface through the connecting part and can be connected with the supporting shaft through the cantilever, the fixing function of the rocker arm support and the function of connecting the rocker arm are realized, the use is convenient, the sleeving mode of the cantilever and the supporting shaft is easy to assemble and disassemble, and the later maintenance is convenient.

In the technical scheme, the cantilever and the support shaft are in interference fit.

In this technical scheme, adopt interference fit's mode to connect, make cantilever and back shaft can both be under the effect of frictional force and spacing in axial, circumference, that is to say, cantilever and back shaft link together closely under the effect of frictional force, need not set up the locating part, have further simplified the structure, have still alleviateed the holistic weight of rocking arm bracket component, have realized the lightweight design of rocking arm bracket component.

In any one of the above technical solutions, the rocker arm stand further includes: the reinforcing rib is fixedly connected with the connecting part and the cantilever respectively; the reinforcing rib extends to the connecting portion from the peripheral face of cantilever to with connecting portion fixed connection.

In the technical scheme, the reinforcing ribs are arranged, so that the integral rigidity of the rocker arm support assembly can be improved, namely, the method for increasing the rigidity of the components by thickening and lengthening is replaced by structural improvement, so that the thickness of the connecting part or the cantilever can be relatively reduced, the weight of the rocker arm support is lightened to a certain extent, and the aim of light weight design is further fulfilled.

The strengthening rib extends to connecting portion from the global of cantilever to with connecting portion fixed connection, both can form certain support to the cantilever, share the partial moment that the cantilever received, still be favorable to promoting stability and the reliability of being connected between connecting portion and the cantilever.

According to the utility model discloses embodiment of second aspect provides a rocking arm subassembly, include: a rocker arm; the rocker arm bracket assembly of any one of the above aspects of the first aspect, coupled to a rocker arm.

In this technical scheme, through adopting the rocking arm bracket assembly of any one above-mentioned technical scheme to have above-mentioned technical scheme's whole beneficial effect, no longer repeated here.

In the above technical solution, the rocker arm assembly further includes: the wear-resisting bush is located the one end of rocking arm bracket component's cantilever, and wear-resisting bush cup joints on the back shaft of rocking arm bracket component, and the rocking arm cup joints on wear-resisting bush.

In the technical scheme, the rocker arm is sleeved on the wear-resistant bushing, and the wear-resistant bushing is sleeved on the supporting shaft, so that the rocker arm is connected with the rocker arm bracket; through the setting of wear-resisting bush, avoided the rocking arm directly to cup joint on the back shaft, long-term wearing and tearing back, can only change wear-resisting bush, promoted the convenience of later maintenance, and low cost. In addition, the wear-resistant bushing also has better wear resistance, thereby being beneficial to prolonging the service life of the rocker arm component.

In the technical scheme, the wear-resistant bushing is in interference fit with the rocker arm.

In the technical scheme, the wear-resistant bushing and the rocker arm have larger friction force due to interference fit, and the wear-resistant bushing and the rocker arm are limited by the friction force in the axial direction and the circumferential direction of the wear-resistant bushing, so that a connecting piece or a limiting piece is not required to be additionally arranged, the number of parts is reduced, the structure is simplified, and the overall weight of the rocker arm assembly is reduced; it can be understood that the wear-resistant bush is in interference fit with the rocker arm, the support shaft is in interference fit with the cantilever, and the wear-resistant bush is sleeved on the support shaft, so that the rocker arm can rotate under the action of the steering pull rod and the power cylinder, and the wear-resistant bush is driven to rotate around the support shaft.

In any one of the above solutions, the rocker arm includes: the sleeve joint part is sleeved on the wear-resistant bushing; a bent portion, one end of which is connected with the second connecting portion; the other end of the bending part is connected with the body.

In this technical scheme, connect portion and body of cup jointing through setting up the kink, make to have certain dislocation between portion and the body of cup jointing, be favorable to making the center of body to the distance of rocker arm support, be greater than the center of portion of cup jointing to the distance of rocker arm support, thereby both can shorten the axial length of the cantilever on the rocker arm support, reduce the moment that the cantilever received, promote rocker arm support's bulk stiffness, and compact structure, reduce the material quantity, the weight of rocker arm support has further been alleviateed again, the body that can guarantee the rocking arm simultaneously again can keep in original position, ensure the connection precision.

In the technical scheme, a plurality of connecting holes are formed in the body; among the connecting holes, at least the end part of the connecting hole close to one side of the bending part is provided with a lug boss.

In this technical scheme, through setting up a plurality of connecting holes, be convenient for and other parts on the vehicle are connected, the setting of boss, the processing position of having set aside the connecting hole in advance on the rocking arm promptly, end at forging technology, when punching, can no longer carry on processes such as preprocessing, but can directly punch the operation on the boss, both can reduce the processingquantity, can save process time again, promote production efficiency, reduce cost. In addition, the boss is arranged, related hole position space is reserved in advance, so that a blank produced by one set of rocker arm die can be processed into rocker arms with different taper hole position sizes, the number of the dies is reduced, the standard operation level of production is improved, the management is facilitated, and the development cost of the dies is also reduced.

According to the utility model discloses embodiment of second aspect provides a vehicle, include: a vehicle body; the rocker arm assembly according to any one of the first aspect above is provided on a vehicle body.

In this technical scheme, through adopting the rocking arm subassembly of any one above-mentioned technical scheme to have had above-mentioned technical scheme's whole beneficial effect, no longer repeated here, the rocking arm subassembly sets up on the automobile body, is convenient for and other part connections, and realizes turning to the function.

Additional aspects and advantages of embodiments in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the invention.

Drawings

FIG. 1 is a cross-sectional structural schematic view of a rocker arm bracket assembly according to one embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a rocker arm stand according to an embodiment of the present invention;

fig. 3 is a front view schematic diagram of a rocker arm stand according to an embodiment of the present disclosure;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic top view of a rocker arm stand according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a rocker arm stand according to another embodiment of the present disclosure;

fig. 7 is a front view schematic diagram of a rocker arm stand according to another embodiment provided by the present disclosure;

FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;

fig. 9 is a schematic top view of a rocker arm stand according to another embodiment provided by the present disclosure;

fig. 10 is a perspective view of a rocker arm assembly according to one embodiment of the present disclosure;

fig. 11 is a front view schematic illustration of a rocker arm assembly according to an embodiment of the present disclosure;

FIG. 12 is a schematic cross-sectional view taken along the line C-C of FIG. 11;

fig. 13 is a perspective view of a rocker arm assembly according to another embodiment provided by the present disclosure;

fig. 14 is a front view schematic illustration of a rocker arm assembly according to another embodiment provided by the present disclosure;

FIG. 15 is a schematic cross-sectional view in the direction D-D of FIG. 14;

fig. 16 is a block diagram schematically illustrating a structure of a vehicle according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 16 is:

the rocker arm assembly comprises a rocker arm assembly 1, a rocker arm support assembly 10, a rocker arm support 100, a connecting part 102, a cantilever 104, a reinforcing rib 106, a supporting shaft 108, a mounting hole 109, a rocker arm 14, a sleeving part 140, a bending part 142, a body 144, a connecting hole 146, a boss 148, a wear-resistant bushing 16, a check ring 180, a slotted nut 182, a split pin 184, a vehicle 2 and a vehicle body 20.

Detailed Description

In order that the above objects, features and advantages of embodiments according to the present invention may be more clearly understood, embodiments according to the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that, without conflict, features according to embodiments of the present invention may be combined with each other.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments according to the invention, however, embodiments according to the invention may be practiced in other ways than those described herein, and therefore the scope of protection afforded by embodiments according to the invention is not limited by the specific embodiments disclosed below.

Some embodiments according to the present invention are described below with reference to fig. 1 to 16.

As shown in fig. 1, a rocker arm bracket assembly 10 according to an embodiment of the first aspect of the present invention includes: rocker arm stand 100 and support shaft 108.

The rocker arm stand 100 is adapted for connection to a mounting surface. A support shaft 108 is connected to the rocker arm stand 100, and the support shaft 108 is used to connect the rocker arm 14. Wherein, the supporting shaft 108 and the rocker arm bracket 100 are of a split structure.

In this embodiment, the rocker arm bracket 100 and the support shaft 108 are provided as a split structure, and a large whole is split into two small parts, which is beneficial to simplifying the structure, reducing the difficulty of forging and processing the blank, and reducing the complexity of the process. The rocker arm bracket assembly 10 is changed from a large forged part in the prior art into two split parts, the two split parts, namely the rocker arm bracket 100 and the support shaft 108, can be flexibly designed respectively, the installation is convenient, and the single weight of each small part is light, so that the carrying and the storage are convenient.

Further, as shown in fig. 4 and 8, the rocker arm stand 100 includes a connecting portion 102 and a cantilever 104. The connecting portion 102 is used for connecting the rocker arm stand 100 with a mounting surface. Cantilever 104 and connecting portion 102 fixed connection, and cantilever 104 cup joints on back shaft 108, has saved parts such as bearing, simple structure, easily installation, and because parts such as the bearing has been reduced, has simplified the structure, has still alleviateed the holistic weight of rocker arm bracket assembly 10, has realized the lightweight design of rocker arm bracket assembly 10.

Further, the cantilever arm 104 and the support shaft 108 are interference fit. Due to the interference fit mode, the cantilever 104 and the support shaft 108 can be limited under the action of friction force in the axial direction and the circumferential direction, a limiting part is not required to be arranged, the structure is further simplified, the overall weight of the rocker arm support assembly 10 is reduced, and the lightweight design of the rocker arm support assembly 10 is realized.

In any of the above embodiments, as shown in fig. 2 and 6, the rocker arm stand 100 further includes a reinforcing rib 106, and the reinforcing rib 106 is fixedly connected to the connecting portion 102 and the suspension arm 104, respectively. The arrangement of the reinforcing rib 106 improves the overall rigidity of the rocker arm bracket assembly 10, and through structural improvement, the mode of thickening the wall thickness of the component can be replaced, so that the thickness of the connecting part 102 or the cantilever 104 can be relatively reduced, and the purpose of light weight design is achieved.

As shown in fig. 3 and 7, the number of the reinforcing ribs 106 is further plural, and each reinforcing rib 106 extends from the circumferential surface of the cantilever 104 toward the connecting portion 102 and is fixedly connected to the connecting portion 102. The plurality of reinforcing ribs 106 can provide a certain support for the cantilever 104 and share a part of the moment applied to the cantilever 104, and also contribute to improving the stability and reliability of the connection between the connecting portion 102 and the cantilever 104.

As shown in fig. 3 and 7, one of the plurality of reinforcing ribs 106 is coplanar with the center line of the cantilever 104 and the center line of the connecting portion 102, and the remaining reinforcing ribs 106 are symmetrically arranged with the reinforcing rib 106 as the center.

As shown in fig. 5 and 9, in some embodiments, the connecting portion 102 is disposed at one end of the cantilever 104, and the connecting portion 102 extends from the circumferential surface of the cantilever 104 in the radial direction of the cantilever 104 to provide a certain supporting effect for the cantilever 104, and share a part of the moment applied to the cantilever 104, thereby improving the overall rigidity of the rocker arm bracket 100.

In some embodiments, the connecting portion 102 is provided with a plurality of mounting holes 109, and the connecting portion 102 is bolted to the mounting surface through the mounting holes 109 and the fasteners.

The connecting portion 102 is provided with a different number of mounting holes 109 depending on the position at which the rocker arm stand 100 is arranged on the vehicle.

As shown in fig. 2 and 3, in some embodiments, the connecting portion 102 is provided with 4 mounting holes 109.

In other embodiments, as shown in fig. 6 and 7, the connecting portion 102 is provided with 6 mounting holes 109.

As shown in fig. 10 and 13, an embodiment according to a second aspect of the present invention provides a rocker arm assembly 1, including: a rocker arm 14; the rocker arm stand assembly 10 of any one of the embodiments of the first aspect described above is coupled to a rocker arm 14.

In this embodiment, by using the rocker arm bracket assembly 10 of any one of the above embodiments, the whole beneficial effects of the above embodiments are achieved, and the details are not repeated herein.

As shown in fig. 12 and 15, in the above embodiment, the rocker arm assembly 1 further includes a wear-resistant bushing 16. The wear bushing 16 is disposed at one end of the cantilever arm 104 of the rocker arm stand assembly 10. The wear bushing 16 is sleeved on the support shaft 108 of the rocker arm bracket assembly 10. The rocker 14 is sleeved on the wear-resistant bushing 16, so that the rocker 14 is connected with the rocker bracket 100, the connection mode is simple, no bearing is required, the number of parts is small, the weight is light, and the installation is convenient.

Further, the wear-resistant bushing 16 is in interference fit with the rocker arm 14, so that the rocker arm 14 and the wear-resistant bushing 16 are tightly combined under the action of friction force, and when the rocker arm 14 rotates under the action of external force, the wear-resistant bushing 16 can be driven to rotate around the supporting shaft 108. Wear-resisting bush 16 is after long-term use is worn and torn, can change, has promoted the convenience of later maintenance, and low cost.

In addition, the wear-resistant bushing 16 has good wear resistance, thereby being beneficial to prolonging the service life of the rocker arm assembly 1.

As shown in fig. 12 and 15, in any of the above embodiments, the rocker arm 14 includes: a socket 140, a bending part 142 and a body 144. The sleeve portion 140 is sleeved on the wear-resistant lining 16, the sleeve portion 140 is connected to one end of the bending portion 142, and the other end of the bending portion 142 is connected to the body 144, so that a certain dislocation or a certain fall is formed between the sleeve portion 140 and the body 144.

As shown in fig. 15, the offset or fall is beneficial to make the distance S2 from the center of the body 144 to the rocker arm stand 100 greater than the distance S1 from the center of the socket 140 to the rocker arm stand 100, so that the axial length of the suspension arm 104 on the rocker arm stand 100 can be shortened, the moment applied to the socket 140 can be reduced, the overall rigidity of the rocker arm stand 100 can be improved, the structure is compact, and the body 144 of the rocker arm 14 can be kept at the original position to ensure the connection precision. At the same time, the axial length of the cantilever 104 is shortened, which correspondingly reduces the amount of material used and further reduces the weight of the rocker arm stand 100.

As shown in fig. 11 and 14, in the above embodiment, the body 144 is provided with a plurality of connection holes 146. The coupling hole 146 is a tapered hole. Of the plurality of connection holes 146, at least an end portion of the connection hole 146 near the bent portion 142 side is provided with a boss 148.

As shown in FIG. 11, in some embodiments, the number of connecting apertures 146 is two, with two connecting apertures 146 being disposed along the length of the rocker arm 14. The end portions of the two connecting holes 146 are provided with bosses 148, further, the two ends of each connecting hole 146 are provided with bosses 148, and the bosses 148 on the same side of the two connecting holes 146 are connected together to form a long kidney shape.

As shown in fig. 14, in other embodiments, the number of the connection holes 146 is three, and the three connection holes 146 are distributed in a triangular shape, wherein two ends of the connection hole 146 near the bending portion 142 are respectively provided with a boss 148.

As shown in fig. 16, an embodiment according to a second aspect of the present invention provides a vehicle 2 including: a vehicle body 20; the rocker arm assembly 1 according to any one of the first to fourth embodiments described above is provided on a vehicle body 20.

In this embodiment, by using the rocker arm assembly 1 of any one of the above embodiments, the whole beneficial effects of the above embodiments are achieved, and the rocker arm assembly 1 is disposed on the vehicle body 20, is convenient to connect with other components, and achieves a steering function.

According to the utility model provides a rocking arm subassembly 1 of a specific embodiment can improve following problem:

1) the steering rocker arm component 1 has a complex structure;

2) the steering rocker 14 has the problems of high production difficulty and high cost.

The technical scheme of the specific embodiment is as follows:

the combined structure of the split type casting rocker arm bracket 100, the support shaft 108 and the forged rocker arm 14 is adopted, the structural design is optimized, the strength is high, the weight is light, the production and manufacturing process is simple, the cost is low, and the appearance is attractive.

The rocker arm 14 is structurally connected with the support shaft 108 through the wear-resistant bushing 16, so that the rocker arm is simple in structure, low in cost and convenient to maintain.

The rocker arm bracket 100 and the support shaft 108, the wear-resistant bushing 16 and the rocker arm 14 are in interference fit, and the structure is simple.

By adopting the drop type rocker arm structure, the cantilever 104 is short, the structure is compact, and the occupied space is small.

The planes of the two ends of the connecting hole 146 of the rocker arm 14 are designed in a boss 148 mode, the hard point design space of the rocker arm component 1 is reserved, and one set of rocker arm die can meet the requirements of adapting to rocker arms 14 with different wheelbases and different hard points of a front axle.

The specific implementation mode is as follows:

as shown in fig. 11 and 14, the rocker arm assembly 1 includes a rocker arm stand 100, a support shaft 108, a rocker arm 14, a wear bushing 16, a retaining ring 180, a slotted nut 182, and a split pin 184.

As shown in fig. 2, 3, 6 and 7, the rocker arm stand 100 is made of a cast component, and three reinforcing ribs 106 are distributed and supported below the central hole of the rocker arm 14.

The rocker arm 14 and the support shaft 108 adopt a wear-resistant bushing 16 structure, and the rocker arm bracket 100 and the support shaft 108, and the rocker arm 14 and the wear-resistant bushing 16 are in interference fit without arranging a positioning mechanism or a limiting piece in the axial direction and the circumferential direction.

As shown in fig. 15, the rocker arm 14 is of forged structure, the upper and lower center planes have a certain fall, that is, a certain distance is provided between the center plane of the sleeve part 140 and the center plane of the body 144, and the distance S2 from the center plane of the body 144 to the connecting part 102 is greater than the distance S1 from the center plane of the sleeve part 140 to the connecting part 102, so that the length of the suspension arm 104 can be reduced, the overall strength of the rocker arm support 100 can be improved, and the occupied space is small.

The connecting hole 146 on the rocker 14 is a taper hole, the planes at the two ends of the taper hole are designed in a long waist type boss 148 mode, a hard point design space of the steering rocker 14 is reserved, and one set of rocker 14 die can meet the requirements of adapting to rockers 14 with different wheelbases and different hard points of a front axle.

The advantages of this embodiment are as follows:

1) the split rocker arm bracket and the support shaft are adopted, the production and manufacturing process is simple, and the cost is low.

2) The rocker arm support is designed in a light weight mode, three reinforcing ribs are distributed and supported below the center hole, and the strength is high.

3) And a wear-resistant bushing is adopted between the rocker arm and the supporting shaft, so that the structure is simple and the cost is low.

4) The rocking arm is the drop height formula structure, and the cantilever of rocking arm subassembly, that is the axial length of cantilever is short, and intensity is high, compact structure promptly.

5) The two end faces of the connecting hole in the rocker arm are designed in a long waist boss mode, a design space for hard points of the steering rocker arm is reserved, one set of rocker arm die can meet the requirements of adapting to rocker arms with different wheelbases and different hard points of a front axle, and the rocker arm die is high in universality and low in cost.

Above combine the figure in detail to describe according to the utility model provides an embodiment, through above-mentioned embodiment, simplified the structure of rocking arm subassembly effectively, reduce the degree of difficulty of rocking arm subassembly's blank manufacturing and processing, reduced the weight of rocking arm subassembly, still promoted the convenience of rocking arm subassembly equipment and maintenance.

In embodiments according to the present invention, the term "plurality" then refers to two or more, unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment according to the present invention, and is not intended to limit the embodiment according to the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the embodiment according to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments according to the present invention should be included in the protection scope of the embodiments according to the present invention.

Claims (10)

1. A rocker arm stand assembly, comprising:

the rocker arm bracket (100), the rocker arm bracket (100) is used for connecting with a mounting surface;

a support shaft (108) connected with the rocker arm bracket (100), the support shaft (108) is used for connecting the rocker arm (14),

the supporting shaft (108) and the rocker arm bracket (100) are of a split structure.

2. The rocker arm stand assembly of claim 1,

the rocker arm stand (100) comprises: a connection portion (102), the connection portion (102) being used for connecting the rocker arm bracket (100) with the mounting surface;

the cantilever (104) is fixedly connected with the connecting part (102), and the cantilever (104) is sleeved on the supporting shaft (108).

3. The rocker arm stand assembly of claim 2,

the cantilever (104) and the support shaft (108) are in an interference fit.

4. The rocker arm stand assembly of claim 2 or 3,

the rocker arm stand (100) further comprises:

and the reinforcing rib (106) is fixedly connected with the connecting part (102) and the cantilever (104) respectively.

5. A rocker arm assembly, comprising:

a rocker arm (14);

the rocker arm stand assembly (10) of any one of claims 1 to 4, being connected with the rocker arm (14).

6. The rocker arm assembly of claim 5, further comprising:

the wear-resistant bushing (16) is arranged at one end of a cantilever (104) of the rocker arm support assembly (10), the wear-resistant bushing (16) is sleeved on a support shaft (108) of the rocker arm support assembly (10), and the rocker arm (14) is sleeved on the wear-resistant bushing (16).

7. The rocker arm assembly of claim 6,

the wear-resistant bushing (16) is in interference fit with the rocker arm (14).

8. The rocker arm assembly of claim 6 or 7,

the rocker arm (14) comprises: a sleeve joint part (140) sleeved on the wear-resistant lining (16);

a bent portion (142), one end of the bent portion (142) being connected to the fitting portion (140);

a body (144), the other end of the bending part (142) is connected with the body (144).

9. The rocker arm assembly of claim 8,

the body (144) is provided with a plurality of connecting holes (146);

among the plurality of connecting holes (146), at least the end part of the connecting hole (146) close to one side of the bending part (142) is provided with a lug boss (148).

10. A vehicle, characterized by comprising:

a vehicle body (20);

rocker arm assembly (1) according to any of claims 5 to 9, provided on the vehicle body (20).

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