CN218287352U

CN218287352U - A swing arm assembly and vehicle for vehicle

Info

Publication number: CN218287352U
Application number: CN202222852649.9U
Authority: CN
Inventors: 王海燕; 牟俊围; 陈宋兵; 罗斌
Original assignee: Chongqing Changan New Energy Automobile Technology Co Ltd
Current assignee: Deep Blue Automotive Technology Co.,Ltd.
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-13
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a swing arm assembly and vehicle for vehicle, swing arm assembly includes: the swing arm comprises a swing arm body, wherein a first mounting point and a second mounting point are arranged on the swing arm body, and the first mounting point and the second mounting point are suitable for being respectively hinged with an auxiliary frame of the vehicle; wherein a spring mounting position and a shock absorber mounting position are arranged on the swing arm body. According to the utility model discloses a swing arm assembly is through setting up first mounting point and second mounting point and spring mounting position and bumper shock absorber installation position on the swing arm body, and the function of original connecting rod has been integrated to the swing arm body, has reduced spare part quantity, has reduced swing arm assembly's quality.

Description

A swing arm assembly and vehicle for vehicle

Technical Field

The utility model belongs to the technical field of the vehicle and specifically relates to a swing arm assembly and vehicle for vehicle is related to.

Background

The rear swing arm structure adopted by the conventional automobile multi-link suspension system has the main functions that enough strength needs to be ensured, a plurality of mounting points can be provided, and the mounting and fixing with other parts are met; meanwhile, the smaller the mass is, the better the mass is, and the smaller the unsprung mass is, so as to achieve better running performance; the smaller the volume, the better, the more favorable the spatial arrangement.

In the related art, the suspension linkage arrangement space is limited, and the suspension system linkage space needs to be compressed to the maximum extent possible. The common structure of the suspension rod is a force rod structure.

The current main technical situation and the existing problems are as follows:

CN202120779224.2 discloses a rear suspension swing arm, a chassis assembly and an automobile, wherein a first plate and a second plate are welded to the auxiliary supporting member, and there are problems that a two-plate tailor-welding mode is adopted, the welding precision is difficult to control, the weight of a steel plate is heavy, and meanwhile, the mounting point for other related parts is limited, and it is required to add other welding structures (such as a liner tube and a mounting bracket) to mount other parts.

CN202023001900.8 discloses an automotive suspension swing arm assembly, which adopts an aluminum alloy sand casting process to form the suspension swing arm assembly in one step, so that the consistency of the product is high, the swing arm has a hollow cavity structure, the weight of the swing arm is reduced to the maximum extent, and meanwhile, the mounting positions of a stabilizer bar and a sensor are added on the swing arm body, so that the assembly of other parts is facilitated; although the weight is reduced by adopting the aluminum alloy hollow casting mode, the mounting position of the stabilizer bar and the sensor is only provided, the problem that other parts cannot be mounted and fixed is also solved, and the cost and the weight are increased by adding other parts for mounting.

Therefore, how to design the swing arm assembly structure to reduce the weight of the suspension and the number of parts becomes a technical problem to be solved in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. To this end, an object of the present invention is to provide a swing arm assembly for a vehicle. According to the utility model discloses a swing arm assembly is through setting up first mounting point and second mounting point and spring mounting position and bumper shock absorber installation position on the swing arm body, and the function of original connecting rod has been integrated to the swing arm body, has reduced spare part quantity, has reduced swing arm assembly's quality.

The utility model also provides a vehicle with swing arm assembly.

According to the utility model discloses a swing arm assembly is used for the vehicle, swing arm assembly includes: the swing arm comprises a swing arm body, wherein a first mounting point and a second mounting point are arranged on the swing arm body, and the first mounting point and the second mounting point are suitable for being respectively hinged with an auxiliary frame of the vehicle; wherein a spring mounting position and a shock absorber mounting position are arranged on the swing arm body.

According to the utility model discloses a swing arm assembly, through set up first mounting point and second mounting point on swing arm assembly, with the sub vehicle frame hinged joint transmission of first mounting point and second mounting point and vehicle by the power between knuckle and the sub vehicle frame, be provided with spring mounting position and bumper shock absorber installation position simultaneously on swing arm assembly, make swing arm assembly can regard as the installation basis of other spare parts, provide the mounting point for other spare parts, the integrated level is high, the spare part quantity of swing arm assembly has been reduced, weight is reduced.

According to the utility model discloses a some embodiments, the swing arm body includes: the spring mounting seat is provided with the spring mounting position; one end of the first connecting rod is connected with the spring mounting seat, and the other end of the first connecting rod extends towards the position far away from the spring mounting seat, and the other end of the first connecting rod is provided with the first mounting point; the one end of second connecting rod with the other end orientation is connected to the spring mount pad and is kept away from the spring mount pad extends, the other end of second connecting rod is provided with the second mounting point.

According to some embodiments of the present invention, the other end of the first connecting rod is provided with a first suspension mounting hole penetrating in the first direction, and the other end of the second connecting rod is provided with a second suspension mounting hole penetrating in the first direction; the swing arm assembly further includes: first and second suspensions disposed within the first and second suspension mounting holes, respectively, and configured as the first and second mounting points.

According to some embodiments of the utility model, still be provided with the third connecting rod on the swing arm body, the one end of third connecting rod with the second connecting rod is connected, the other end of third connecting rod with the other end orientation of second connecting rod deviates from direction each other and extends, be provided with the third mounting point on the other end of third connecting rod.

According to the utility model discloses a some embodiments, the second connecting rod deviates from one side of second mounting point is formed with bumper shock absorber installation stabilizer blade.

According to some embodiments of the invention, the spring mount is formed with a brake mounting leg that projects towards keeping away from the first mounting point.

According to some embodiments of the present invention, the spring mount is formed with a stabilizer bar mounting leg.

According to some embodiments of the invention, the swing arm body is constructed as an integral part and the swing arm body is formed with a weight reduction cavity therein.

According to some embodiments of the utility model, be formed with on the swing arm body towards the inside sunken husky mouth that shakes.

The vehicle according to the present invention is briefly described below.

According to the utility model discloses a vehicle includes the swing arm assembly in any one above-mentioned embodiment. Because according to the utility model discloses a vehicle includes the swing arm assembly in the above-mentioned arbitrary embodiment, consequently according to the utility model discloses a vehicle suspension's integrated level is high, and spare part is few, the low in manufacturing cost of vehicle, and economic nature is good.

Additional aspects and advantages of 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 the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a swing arm assembly structure view according to an embodiment of the present invention.

Reference numerals are as follows:

a swing arm assembly 1;

a swing arm body 11; a first mounting point 111; a second mounting point 112; a spring mounting location 113; a damper mounting location 114; a shock absorber mounting foot 1141;

a spring mount 115; brake mounting feet 1151; stabilizer bar mounting feet 1152;

a first connecting rod 116; a second connecting rod 117; a third connecting rod 118; a third mounting point 119; shake sand mouth 1101.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

A swing arm assembly 1 for a vehicle according to an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, the swing arm assembly 1 according to the present invention is used for a vehicle, the swing arm assembly 1 includes a swing arm body 11, the swing arm body 11 is provided with a first mounting point 111 and a second mounting point 112, and the first mounting point 111 and the second mounting point 112 are adapted to be respectively hinged to a sub-frame of the vehicle; wherein, the swing arm body 11 is provided with a spring mounting position 113 and a damper mounting position 114.

In the prior art, a suspension system of a vehicle generally comprises a plurality of connecting rod structures, and the plurality of connecting rods realize the transmission of force and moment between a steering knuckle and a subframe, but because the multi-connecting rod structure is responsible for connecting the connecting rods with other parts, more parts and large occupied space are caused. In addition, traditional suspension system lacks spare part installation site, needs to increase other structures (for example welding bushing pipe and installing support) just can realize the installation of spare part, and the installation is loaded down with trivial details, the spare part that needs to use is many, has increased the quality of swing arm assembly, is unfavorable for installing spare part.

Therefore, the swing arm body 11 can be used as a force transmission part between a steering knuckle and an auxiliary frame in the application, the first mounting point 111 and the second mounting point 112 which are arranged on the swing arm body 11 are respectively connected with the auxiliary frame hinge of a vehicle to transmit force and torque, the swing arm body 11 in the application integrates the force transmission function of a plurality of connecting rods, the number of parts is reduced, and the space occupation is reduced.

In addition, the swing arm body 11 is provided with the spring mounting position 113 and the shock absorber mounting position 114, which can be used as a mounting base for a spring and a shock absorber, so that the use of redundant parts is reduced, and the volume and the mass of a suspension system using the swing arm assembly 1 are reduced.

Consequently, swing arm assembly 1 of this application has integrated the biography power function of a plurality of connecting rods on the one hand, and on the other hand can regard as the installation basis of installation spring and bumper shock absorber, and the integrated level is high, and volume and quality are little for it needs few to build the spare part that the suspension used with swing arm assembly 1 of this application, thereby reduces the weight of suspension.

According to the utility model discloses a some embodiments, as shown in fig. 1, the swing arm body 11 includes spring mount 115, head rod 116 and second connecting rod 117, be provided with spring mount position 113 on the spring mount 115, the spring mount 115 extension is kept away from to the other end orientation that is connected with spring mount 115 to the one end of head rod 116, the other end of head rod 116 is provided with first mounting point 111, the spring mount 115 extension is kept away from to the other end orientation that is connected with spring mount 115 to the one end of second connecting rod 117, the other end of second connecting rod 117 is provided with second mounting point 112. It can be understood that, in the present application, the swing arm body 11 is connected to the sub-frame through the first connecting rod 116 and the second connecting rod 117, and a plurality of force transmission channels are established, so as to strengthen the limitation of the sub-frame on the motion of the swing arm body 11, and to facilitate the stable connection between the swing arm body 11 and the sub-frame.

According to the utility model discloses a some embodiments, spring mounting position 113 can set up to form on spring mounting seat 115 and with the recess that the spring shape size matches, dispose the connecting piece that can be connected with spring one end in the recess to the realization is with spring mounting on swing arm assembly 1. Configuring the spring mounting locations 113 as recesses formed in the spring mounting seat can facilitate positioning and mounting of the spring while reducing the volume and mass of the swing arm body 11.

According to some embodiments of the present invention, as shown in fig. 1, the other end of the first connecting rod 116 is provided with a first suspension mounting hole penetrating in the first direction, and the other end of the second connecting rod 117 is provided with a second suspension mounting hole penetrating in the first direction; swing arm assembly 1 still includes: first and second suspensions that are respectively disposed in the first and second suspension mounting holes and configured as first and

second mounting points

111 and 112. Can be provided with the flexible piece in first suspension and the second suspension, the flexible power that transmits between knuckle and the sub vehicle frame reduces wearing and tearing, absorbs the vibration that produces when swing arm body 11 swings, improves the NVH performance of vehicle.

According to some embodiments of the present invention, as shown in fig. 1, a third connecting rod 118 is further disposed on the swing arm body 11, one end of the third connecting rod 118 is connected to the second connecting rod 117, the other end of the third connecting rod 118 and the other end of the second connecting rod 117 extend in a direction away from each other, and a third mounting point 119 is disposed at the other end of the third connecting rod 118. When the suspension is built with the swing arm assembly 1 of this embodiment, connect the third tie point with the one end of connecting rod, automobile body or knuckle is connected to the other end for the connecting rod can retrain swing arm body 11's motion range, thereby lets swing arm body 11's swing more stable, and reduced suspension spring compression and elongated range, prevention deformation.

According to the utility model discloses a some embodiments, third mounting point 119 adopts the ball pivot structure of impressing to be connected for providing mounting structure with the connecting rod, and the ball pivot structure can make the connecting rod play the constraint effect to the motion of swing arm body 11 to improve swing arm body 11 wobbling stability, promote suspension system motion flexibility.

According to some embodiments of the present invention, as shown in fig. 1, one side of the second connecting rod 117 facing away from the second mounting point 112 is formed with a shock absorber mounting foot 1141. In the prior art, the shock absorber is large in size, and occupies a large space in the suspension, so that the arrangement space of the shock absorber in the suspension needs to be ensured. The second connecting rod 117 has a sufficient space in the direction of the side facing away from the second mounting point 112, and is suitable as a space for disposing a shock absorber in the suspension. Specifically, the length, degree of bending, and degree of thickness of the second connecting rod 117 may be controlled to secure the disposition space of the shock absorber. In some embodiments, the shock absorber mounting leg 1141 has bolt holes for fixing the shock absorber, so as to ensure the stability of the connection of the shock absorber mounting leg 1141 with the shock absorber.

According to some embodiments of the present invention, as shown in fig. 1, the spring mount 115 is formed with a brake mounting leg 1151 that protrudes away from the first mounting point 111. The setting of stopper installation stabilizer blade 1151 makes can install the stopper on the swing arm body 11 to make the stopper can direct mount in swing arm body 11, unnecessary spare part's use quantity when reducing the installation stopper improves the integrated level of suspension, thereby reduces the quality that sets up the quantity that the suspension needs spare part and reduce the suspension.

According to some embodiments of the present invention, as shown in fig. 1, a stabilizer bar mounting leg 1152 is formed on the spring mount 115. The setting of the brake mounting leg 1151 provides the mounting point of the stabilizer bar to the swing arm body 11, reducing the number of parts used for mounting the stabilizer bar, thereby reducing the mass and improving the integration of the suspension.

According to the utility model discloses a some embodiments, swing arm body 11 structure is formed with the chamber that subtracts weight for integrated into one piece spare and swing arm body 11. The swing arm body 11 is an integrally formed part, so that the strength of the swing arm body 11 is improved, and the consistency of products is higher; the weight of the swing arm body 11 can be reduced due to the weight reduction cavity, so that the light weight is realized, and the running performance of the whole vehicle is improved. Specifically, in some embodiments, in order to ensure the strength of the swing arm body 11, a weight-reducing cavity internal reinforcement mode is adopted, the internal reinforcement mode may be a vertical splayed reinforcement rib, a horizontal reinforcement rib for more uniform stress, or an upper-profile cross-shaped reinforcement rib for reducing the weight and ensuring the strength of the swing arm assembly, or a combination of multiple reinforcement modes, and the like.

According to some embodiments of the present invention, the swing arm body 11 is formed with a sand shaking port 1101 recessed towards the inside. The sand shaking port 1101 is used for supporting the sand core during casting and removing sand after casting.

According to the utility model discloses a some embodiments, swing arm body 11 adopts the mode realization of hollow aluminum alloy die-casting, cost and weight are reduced.

According to the utility model discloses a some embodiments, be formed with the diplopore structure of two positions on the spring mount 115 side in order to be used for installing pencil and sensor support to further improve the integration level with the suspension that swing arm assembly 1 built in this embodiment.

The vehicle according to the present invention is briefly described below.

The vehicle according to the present invention comprises the swing arm assembly 1 described in any of the above embodiments. Because according to the utility model discloses a vehicle includes swing arm assembly 1 in the above-mentioned arbitrary embodiment, consequently according to the utility model discloses a vehicle suspension's integrated level is high, and spare part is few, the low in manufacturing cost of vehicle, and economic nature is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 of the present 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A swing arm assembly for a vehicle, comprising:

the swing arm comprises a swing arm body (11), wherein a first mounting point (111) and a second mounting point (112) are arranged on the swing arm body (11), and the first mounting point (111) and the second mounting point (112) are suitable for being hinged with a sub-frame of the vehicle respectively; wherein

The swing arm body (11) is provided with a spring mounting position (113) and a shock absorber mounting position (114).

2. The swing arm assembly for a vehicle according to claim 1, wherein the swing arm body (11) comprises:

the spring mounting seat (115) is provided with the spring mounting position (113);

one end of the first connecting rod (116) is connected with the spring mounting seat (115), and the other end of the first connecting rod (116) extends away from the spring mounting seat (115), and the other end of the first connecting rod (116) is provided with the first mounting point (111);

second connecting rod (117), the one end of second connecting rod (117) with spring mount pad (115) is connected the other end orientation and is kept away from spring mount pad (115) extends, the other end of second connecting rod (117) is provided with second mounting point (112).

3. The swing arm assembly for a vehicle according to claim 2, wherein the other end of the first connecting rod (116) is provided with a first suspension mounting hole penetrating in a first direction, and the other end of the second connecting rod (117) is provided with a second suspension mounting hole penetrating in the first direction; the swing arm assembly (1) further comprises:

first and second suspensions disposed within the first and second suspension mounting holes, respectively, and configured as the first and second mounting points (111, 112).

4. The swing arm assembly for a vehicle according to claim 3, wherein a third connecting rod (118) is further disposed on the swing arm body (11), one end of the third connecting rod (118) is connected with the second connecting rod (117), the other end of the third connecting rod (118) and the other end of the second connecting rod (117) extend in directions away from each other, and a third mounting point (119) is disposed on the other end of the third connecting rod (118).

5. A swing arm assembly for a vehicle according to claim 2, wherein a side of the second connecting rod (117) facing away from the second mounting point (112) is formed with a shock absorber mounting foot (1141).

6. A swing arm assembly for a vehicle according to claim 2, wherein the spring mount (115) has formed thereon a brake mounting leg (1151) projecting away from the first mounting point (111).

7. The swing arm assembly for a vehicle according to claim 2, wherein the spring mount (115) has a stabilizer bar mounting leg (1152) formed thereon.

8. The swing arm assembly for a vehicle according to any one of claims 1 to 7, wherein the swing arm body (11) is configured as an integrally formed piece and a weight-reducing cavity is formed in the swing arm body (11).

9. The swing arm assembly for a vehicle according to claim 8, wherein the swing arm body (11) is formed with a sand shaking port (1101) depressed toward the inside.

10. A vehicle comprising a swing arm assembly according to any one of claims 1 to 9.