CN217532443U

CN217532443U - Automobile suspension aluminum alloy H arm

Info

Publication number: CN217532443U
Application number: CN202221376323.7U
Authority: CN
Inventors: 林日根
Original assignee: Magna New Energy Vehicle Technology Zhenjiang Co ltd
Current assignee: Magna New Energy Vehicle Technology Zhenjiang Co ltd
Priority date: 2022-06-05
Filing date: 2022-06-05
Publication date: 2022-10-04
Anticipated expiration: 2032-06-05

Abstract

The utility model relates to an automobile suspension aluminum alloy H arm, including the H arm body, the H arm body adopts the hollow casting of aluminum alloy to form, both ends are equipped with the protruding connecting portion that stretches to the inboard direction respectively around the H arm body inboard, press the front bushing, back ball round pin in the connecting portion respectively, the protruding H arm connecting rod mounting point and the H arm connecting rod mounting point two of stretching to the outboard direction of the front end outside the H arm body, the protruding knuckle mounting point and the knuckle mounting point two of stretching to the outboard direction of the rear end outside the H arm body, the inboard middle part of the H arm body is located and is equipped with dodging regional one between front bushing and the back ball round pin, the middle part outside the H arm body is located and is equipped with dodging regional two between H arm connecting rod mounting point two and the knuckle mounting point one; compared with the prior art, the utility model, reduced whole weight, reduced the vehicle energy consumption of traveling, improved the ride comfort of vehicle when crossing the obstacle, improved the swing degree of freedom of H arm and the lateral rigidity of suspension when the suspension is beated simultaneously, improved the nature controlled of whole suspension.

Description

Automobile suspension aluminum alloy H arm

[ technical field ]

The utility model belongs to the technical field of automotive suspension, specifically speaking are automotive suspension aluminum alloy H arm.

[ background art ]

The H-arm assembly is an important component of an automobile suspension system, one end of the H-arm assembly is directly connected with a spherical hinge or a bush on a steering knuckle or indirectly connected with the steering knuckle through a screw connection mode or a connecting rod, and the other end of the H-arm assembly is connected with an auxiliary frame through the spherical hinge or the bush. The H-arm assembly has the main functions of transmitting force and moment and simultaneously playing a role in guiding, and can control the movement track of wheels in the driving process of the automobile; the structural design of the elastic element at the connecting point of the elastic element and the auxiliary frame can weaken the vibration transmitted to the auxiliary frame.

The existing H-shaped arm body is generally of a solid cast aluminum structure and is heavy, so that unsprung mass is large, and energy consumption of vehicle running is high; meanwhile, the H-arm body is connected with the auxiliary frame through two rubber bushings, the upward jumping and the lateral rigidity of the suspension are restricted by the rigidity and the torsion characteristics of the bushings, and therefore the influence on the controllability of the suspension is large.

[ contents of utility model ]

The utility model aims at solving foretell not enough and provide an automotive suspension aluminum alloy H arm, reduced whole weight, reduced the vehicle energy consumption of traveling, improved the ride comfort of vehicle when crossing the obstacle, improved the swing degree of freedom of H arm and the lateral rigidity of suspension when the suspension is beated simultaneously, improved the nature controlled of whole suspension.

For realizing above-mentioned purpose design an automotive suspension aluminum alloy H arm, including H arm body 1, H arm body 1 is integrated into one piece's H type hollow structure, H arm body 1 adopts the hollow casting of aluminum alloy to form, both ends are equipped with the protruding connecting portion that stretch to the inboard direction respectively around the H arm body 1 inboard, and press from both sides in the connecting portion respectively and be equipped with front bush 2, back ball round pin 3, the protruding H arm connecting rod mounting point 121 and the two 122 of H arm connecting rod mounting point of stretching to the outboard direction of the front end in the H arm body 1 outside, H arm connecting rod mounting point 121 and the two 122 of H arm connecting rod mounting point arrange along the fore-and-aft direction relatively, the protruding knuckle of the outside rear end in H arm body 1 outside is provided with knuckle one 131 and knuckle two 132, knuckle mounting point one 131 and knuckle mounting point two 132 arrange along the fore-and-aft direction relatively, the inboard middle part of H arm body 1 is located and is equipped with dodges regional mounting point 181 between front bush 2 and the back ball round pin 3, H arm connecting rod mounting point 1 outside middle part 122 is equipped with dodging regional mounting point 182 and dodges regional mounting point.

Further, a spring tray 11 is arranged at the rear part of the H-arm body 1, the spring tray 11 is a circular concave structure formed on the H-arm body 1 through punching, and a weight-reducing liquid leakage hole 111 and a spring seat mounting positioning hole 112 are formed in the spring tray 11.

Further, the weight-reduction weep hole 111 is provided at the lowest position of the H-arm body 1, and the spring seat mounting positioning hole 112 is provided at the bottom of the spring tray 11.

Further, a first damper mounting point 141 is arranged at a position between the first knuckle mounting point 131 and the spring tray 11 on the H-arm body 1, a second damper mounting point 142 is arranged at a position between the second knuckle mounting point 132 and the spring tray 11 on the H-arm body 1, and the first damper mounting point 141 and the second damper mounting point 142 are oppositely arranged in the front-rear direction.

Further, a stabilizer link mounting point 15 is cast at the rear side of the H-arm body 1 on the outer side of the spring tray 11, and the stabilizer link mounting point 15 is provided on the rear side of the second damper mounting point 142.

Further, a height sensor support mounting point 16 is arranged on the rear side face of the H-arm body 1, and a first shakeout process hole 171, a second shakeout process hole 172, a third shakeout process hole 173, a fourth shakeout process hole 174 and a fifth shakeout process hole 175 are sequentially arranged on the outer side face of the H-arm body 1 along the counterclockwise direction.

Further, the first shakeout process hole 171 is provided at a position between the height sensor bracket mounting point 16 and the rear ball pin 3, the second shakeout process hole 172 is provided at a position between the rear ball pin 3 and the front bushing 2, the third shakeout process hole 173 is provided at a position between the front bushing 2 and the first H-arm link mounting point 121, the fourth shakeout process hole 174 is provided at a position between the first H-arm link mounting point 121 and the second H-arm link mounting point 122, and the fifth shakeout process hole 175 is provided at a position between the second H-arm link mounting point 122 and the first knuckle mounting point 131.

Further, the rear ball pin 3 includes a ball pin sleeve 311 located in the middle, dust covers 312 located at both ends, and a nylon sleeve 313 located outside, the nylon sleeve 313 is installed in cooperation with the H-arm body 1, and grease is filled between the ball pin sleeve 311 and the dust covers 312, 313.

Compared with the prior art, the utility model, a lightweight aluminum alloy H arm assembly is provided, this aluminum alloy H arm assembly comprises an aluminum alloy hollow casting H arm body, a rubber bush and a ball round pin, rubber bush and ball round pin pressure equipment are on aluminum alloy H arm body, optimize the connection structure with the sub vehicle frame simultaneously, increase the controllability of suspension, this aluminum alloy H arm is under the same design condition, owing to adopted hollow casting forming process, H arm body whole weight can reduce about 25-35%, reached the purpose of reducing unsprung mass, the energy consumption of vehicle going has been reduced, the ride comfort of vehicle when having improved the obstacle crossing; meanwhile, the aluminum alloy H arm adopts a connection mode of the rear ball pin and the auxiliary frame, so that the swinging freedom degree of the H arm and the lateral rigidity of the suspension are improved when the suspension jumps, and the controllability of the whole suspension is improved.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a solid H-arm before the improvement of the present invention;

fig. 2 is a schematic structural view of a hollow H-arm of the present invention;

fig. 3 is a schematic structural view of a hollow H-arm of the present invention;

fig. 4 is a schematic structural view three of the hollow H-arm of the present invention;

FIG. 5 is a schematic structural view of the rear ball pin of the present invention;

in the figure: 1. the anti-collision device comprises an H-arm body 11, a spring tray 111, a weight-reducing leakage hole 112, a spring seat mounting positioning hole 121, an H-arm link mounting point I122, an H-arm link mounting point II 131, a knuckle mounting point I132, a knuckle mounting point II 141, a damper mounting point I142, a damper mounting point II 15, a stabilizer link mounting point 16, a height sensor support mounting point 171, a shakeout process hole I172, a shakeout process hole II 173, a shakeout process hole III 174, a shakeout process hole IV 175, a shakeout process hole V181, an avoidance area I182, an avoidance area II 2, a front bushing 3, a rear ball pin 311, a ball pin sleeve 312, a dust cover 313 and a nylon sleeve.

[ detailed description of the invention ]

The invention is further described below with reference to the accompanying drawings:

as shown in the accompanying drawings 2 to 4, the utility model provides an automobile suspension aluminum alloy H arm, including H arm body 1,H arm body 1 for integrated into one piece's H type hollow structure, H arm body 1 adopts the hollow casting of aluminum alloy to form, and this H arm body 1 can reduce whole weight for the solid H arm that fig. 1 shows, has reached the purpose that reduces unsprung mass, has reduced the energy consumption that the vehicle went, has improved the ride comfort of vehicle when crossing obstacles; the front end and the rear end of the inner side of the H-arm body 1 are respectively provided with a connecting part protruding inwards, the connecting part is internally provided with a front bushing 2 in a pressing mode, a rear ball pin 3,H and a front end of the outer side of the H-arm body 1 is provided with a first H-arm connecting rod mounting point 121 and a second H-arm connecting rod mounting point 122 in a protruding mode towards the outer side, the first H-arm connecting rod mounting point 121 and the second H-arm connecting rod mounting point 122 are oppositely arranged along the front and rear direction, a first knuckle mounting point 131 and a second knuckle mounting point 132 are convexly arranged towards the outer side of the rear end of the H-arm body 1, the first knuckle mounting point 131 and the second knuckle mounting point 132 are oppositely arranged along the front and rear direction, an avoidance area 181 is arranged between the front bushing 2 and the rear ball pin 3 in the middle of the inner side of the H-arm body 1, a second avoidance area 182 is arranged between the second H-arm connecting rod mounting point 122 and the knuckle mounting point 131 in the middle of the outer side of the H-arm body 1, and the first avoidance area 181 and the avoidance area 182 can be used for avoiding a shock absorber, a dust cover and the like.

The rear part of the H-arm body 1 is provided with a spring tray 11, the spring tray 11 is a circular ring-shaped concave structure formed on the H-arm body 1 through stamping, and the spring tray 11 is provided with a weight-reducing liquid leakage hole 111 and a spring seat mounting positioning hole 112; the weight-reducing weeping holes 111 are arranged at the lowest position of the H-shaped arm body 1, so that accumulated water and silt can be discharged in time; the spring seat mounting positioning hole 112 is formed in the bottom of the spring tray 11, so that the damping spring can be sleeved on the spring tray 11 to achieve vibration isolation and noise reduction effects. A first shock absorber mounting point 141 is arranged at a position between the first steering knuckle mounting point 131 on the H-arm body 1 and the spring tray 11, a second shock absorber mounting point 142 is arranged at a position between the second steering knuckle mounting point 132 on the H-arm body 1 and the spring tray 11, and the first shock absorber mounting point 141 and the second shock absorber mounting point 142 are oppositely arranged in the front-back direction. The rear side of the H-arm body 1 is positioned at the outer side of the spring tray 11 and cast with a stabilizer link mounting point 15, and the stabilizer link mounting point 15 is arranged at the rear side of the second shock absorber mounting point 142.

A height sensor support mounting point 16 is arranged on the rear side surface of the H arm body 1, and a first shakeout process hole 171, a second shakeout process hole 172, a third shakeout process hole 173, a fourth shakeout process hole 174 and a fifth shakeout process hole 175 are sequentially arranged on the outer side surface of the H arm body 1 along the anticlockwise direction; the first shakeout technical hole 171 is arranged between the height sensor support mounting point 16 and the rear ball pin 3, the second shakeout technical hole 172 is arranged between the rear ball pin 3 and the front bushing 2, the third shakeout technical hole 173 is arranged between the front bushing 2 and the first H-arm connecting rod mounting point 121, the fourth shakeout technical hole 174 is arranged between the first H-arm connecting rod mounting point 121 and the second H-arm connecting rod mounting point 122, and the fifth shakeout technical hole 175 is arranged between the second H-arm connecting rod mounting point 122 and the first knuckle mounting point 131.

As shown in fig. 5, the rear ball pin 3 includes a ball pin sleeve 311 located in the middle, dust covers 312 located at both ends, and a nylon sleeve 313 located outside, the nylon sleeve 313 is installed in cooperation with the H-arm body 1, and grease is filled between the ball pin sleeve 311 and the dust covers 312, the nylon sleeve 313.

Aluminum alloy H arm, including H arm body, preceding bush, back ball round pin, preceding bush (rubber bush) and back ball round pin pressure equipment are on the H arm body. The H-arm body is formed by adopting an aluminum alloy hollow casting process, and comprises a spring tray, a steering knuckle mounting point and a shock absorber mounting point which are connected with a steering knuckle and a shock absorber, a height sensor support mounting point and a stabilizer bar connecting rod mounting point which are connected with a height sensor support and a stabilizer bar connecting rod, and five shakeout process holes. In addition, the spring tray comprises a weight-reduction leakage hole and a spring seat mounting positioning hole. The rear ball pin comprises a middle ball pin sleeve, dust covers at two ends and an outer nylon sleeve which is installed in a matched mode with the H-shaped arm body, and lubricating grease is filled among the ball pin sleeve, the dust covers and the nylon sleeve.

The present invention is not limited by the above embodiments, and any other changes, modifications, replacements, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all the modifications, replacements, combinations, and simplifications are included in the protection scope of the present invention.

Claims

1. The utility model provides an automotive suspension aluminum alloy H arm which characterized in that: including H arm body (1), H arm body (1) is integrated into one piece's H type hollow structure, H arm body (1) adopts the hollow casting of aluminum alloy to form, both ends are equipped with the protruding connecting portion that stretch to the inboard direction respectively around H arm body (1) inboard, and in the connecting portion respectively the pressure equipment have preceding bush (2), back ball round pin (3), H arm body (1) outside front end is to protruding stretching to the outboard direction and is provided with H arm connecting rod mounting point (121) and H arm connecting rod mounting point two (122), H arm connecting rod mounting point (121) and H arm connecting rod mounting point two (122) are along fore-and-aft direction relative arrangement, H arm body (1) outside rear end is to protruding stretching to the outboard direction and is provided with knuckle one (131) and knuckle mounting point two (132), knuckle mounting point (131) and knuckle mounting point two (132) are arranged along the fore-and-aft direction relative arrangement, H arm body (1) inboard middle part is located and is equipped with regional one (181) between preceding bush (2) and back ball round pin (3), H arm body (1) outside middle part mounting point (1) is located and two mounting point (122) are equipped with the regional mounting point (182).

2. The aluminum alloy H-arm for automobile suspensions as claimed in claim 1, wherein: the H-shaped arm is characterized in that a spring tray (11) is arranged at the rear part of the H-shaped arm body (1), the spring tray (11) is of a circular ring-shaped concave structure formed on the H-shaped arm body (1) through stamping, and a weight-reducing liquid leakage hole (111) and a spring seat mounting positioning hole (112) are formed in the spring tray (11).

3. The aluminum alloy H-arm for automobile suspensions as claimed in claim 2, wherein: the weight-reducing leakage hole (111) is arranged at the lowest position of the H-shaped arm body (1), and the spring seat mounting positioning hole (112) is arranged at the bottom of the spring tray (11).

4. The aluminum alloy H-arm for automobile suspensions as claimed in claim 1, wherein: a first shock absorber mounting point (141) is arranged at a position between a first steering knuckle mounting point (131) and the spring tray (11) on the H-arm body (1), a second shock absorber mounting point (142) is arranged at a position between a second steering knuckle mounting point (132) and the spring tray (11) on the H-arm body (1), and the first shock absorber mounting point (141) and the second shock absorber mounting point (142) are oppositely arranged in the front-back direction.

5. The aluminum alloy H-arm for automobile suspension as claimed in claim 4, wherein: a stabilizer link mounting point (15) is cast at the outer side of the spring tray (11) at the rear side of the H-arm body (1), and the second shock absorber mounting point (142) is arranged at the rear side of the stabilizer link mounting point (15).

6. The aluminum alloy H-arm for automobile suspension as claimed in claim 1, wherein: the H-arm mounting structure is characterized in that a height sensor support mounting point (16) is arranged on the rear side face of the H-arm body (1), and a first shakeout process hole (171), a second shakeout process hole (172), a third shakeout process hole (173), a fourth shakeout process hole (174) and a fifth shakeout process hole (175) are sequentially arranged on the outer side face of the H-arm body (1) along the counterclockwise direction.

7. The aluminum alloy H-arm for automobile suspension as claimed in claim 6, wherein: the first shakeout process hole (171) is arranged at a position between the height sensor support mounting point (16) and the rear ball pin (3), the second shakeout process hole (172) is arranged at a position between the rear ball pin (3) and the front bushing (2), the third shakeout process hole (173) is arranged at a position between the front bushing (2) and the first H-arm connecting rod mounting point (121), the fourth shakeout process hole (174) is arranged at a position between the first H-arm connecting rod mounting point (121) and the second H-arm connecting rod mounting point (122), and the fifth shakeout process hole (175) is arranged at a position between the second H-arm connecting rod mounting point (122) and the first knuckle mounting point (131).

8. The aluminum alloy H-arm for automobile suspensions as claimed in claim 1, wherein: the rear ball pin (3) comprises a ball pin sleeve (311) located in the middle, dust covers (312) located at two ends and a nylon sleeve (313) located outside, the nylon sleeve (313) is installed in a matched mode with the H-arm body (1), and lubricating grease is filled between the ball pin sleeve (311) and the dust covers (312) and between the ball pin sleeve (313).