Lightweight rear-mounted lower suspension of full-floating suspension system

Abstract

The utility model discloses a light-weight rear-mounted lower suspension of a full-floating suspension system, and relates to the technical field of suspension systems. The swing arm comprises two swing arms, two lower supports and a stabilizer bar, each lower support comprises a top plate part, side plate parts are integrally arranged on the two sides of the top plate part, an inverted-U-shaped body is formed between the two side plate parts and the top plate part, a reinforcing rib plate is arranged in the middle between the two side plate parts and the top plate part, and a weight reducing opening and a plurality of mounting openings are formed in the reinforcing rib plate. And a U-shaped seat is fixed on the top surface of the top plate part through a plurality of fasteners. Through the design of the swing arm and the lower support, the cross sections of most positions of the swing arm and the lower support are I-shaped, the strength is ensured, the weight of the swing arm and the lower support is reduced, the width of the position far away from the connecting point is reduced as much as possible, the light weight is further improved, and meanwhile the swing arm is connected with the lower support through the U-shaped seat. The structure is simple, light weight is achieved, connection is convenient, the strength is integrally ensured, and meanwhile the light weight effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of suspension system, especially relates to a lightweight rear lower suspension of full floating suspension system. BACKGROUND

[0002] At present, most of the electric heavy trucks on the market adopt fixed or semi-floating cab suspension systems due to space limitations, and their comfort is not ideal, and the use of full-floating cab suspension can better solve the smoothness problem of pure electric heavy trucks.

[0003] Similarly, due to the large weight of the cab, the required strength is high, and the installation space is limited, so the existing suspension has the problems of relatively large weight or complex structure, which causes the suspension system to have a relatively large weight, thereby affecting the endurance and energy consumption of new energy vehicles.

[0004] Therefore, it is a problem to be solved by those skilled in the art to design a suspension with sufficient strength and lightweight for application in a suspension system. SUMMARY

[0005] The utility model discloses a lightweight rear lower suspension of full floating suspension system, through the design of swing arm and lower support, the cross section of most positions of the two is I-shaped, which ensures the strength while reducing the weight of each, and the width of the position away from the connecting point is reduced as much as possible, further improving the lightweight, and the swing arm is connected with the lower support through the U-shaped seat, which is simple in structure, easy to connect, and ensures the strength while improving the lightweight effect.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a lightweight rear lower suspension of full floating suspension system, which comprises two swing arms, two lower supports and a stabilizer bar.

[0008] The lower support comprises a top plate part, and side plate parts are integrally arranged on both sides of the top plate part; a reverse U-shaped main body is formed between the two side plate parts and the top plate part; a reinforcing rib plate is arranged in the middle part between the two side plate parts and the top plate part; and a weight-reducing opening and a plurality of mounting openings are arranged on the reinforcing rib plate.

[0009] A U-shaped seat is fixed to the top surface of the top plate part by a plurality of fasteners.

[0010] The swing arm comprises a frame-shaped main body, a connecting plate is integrally arranged in the frame-shaped main body, the cross section between the frame-shaped main body and the connecting plate forms an I-shaped structure, and a height valve connecting position is integrally arranged between the outer side of the middle part of the connecting plate and the bottom edge of the frame-shaped main body.

[0011] One end of the frame-shaped body is integrally connected with a sleeve, the sleeve is located in the U-shaped seat and is rotatably connected with the U-shaped seat through bolts and soft pads, a stabilizer rod assembly opening is arranged at the end of the connecting plate away from the sleeve, a limiting lug is arranged on the bottom surface of the end of the frame-shaped body away from the sleeve, and weight reduction notches are arranged on the both sides of the limiting lug;

[0012] An enhancement sleeve is integrally arranged between the inner side of the connecting plate and the inner side of the frame-shaped body, and the enhancement sleeve is connected with the stabilizer rod assembly opening.

[0013] An arc-shaped reinforcing rib is arranged between the both sides of the cab support connecting lug and the top surface of the frame-shaped body.

[0014] The end of the stabilizer rod is fixed in the stabilizer rod assembly opening of the swing arm.

[0015] Further, height valve mounting positions are arranged on the outer sides of the both side plate portions of the lower support, and the height valve mounting positions are located at the outer side positions of the weight reduction notches.

[0016] Further, the width of the side plate portion gradually decreases at the position below the height valve mounting position, and chamfers or round corners are arranged on the both sides of the bottom edge of the side plate portion.

[0017] Further, outer folding edges are arranged on the top edges of the both side edges of the U-shaped seat, and the two outer folding edges are distributed in an inverted eight-character shape.

[0018] Further, an adjusting rod is connected to the outer side of the height valve mounting position, and a height valve support is fixed at the position opposite to the adjusting rod and close to the outer side of the height valve mounting position of the stabilizer rod.

[0019] Further, the stabilizer rod assembly opening is a curved triangular hole body, and an end head is arranged on the end of the stabilizer rod and matched with the stabilizer rod assembly opening.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model discloses a swing arm and a lower support, and the cross sections of most positions of the swing arm and the lower support are all I-shaped, which ensures the strength while reducing the weight of the swing arm and the lower support, and the width of the position away from the connecting point is reduced as much as possible, thereby further improving the lightweight effect, the swing arm is connected with the lower support through the U-shaped seat, the structure is simple, the lightweight effect is realized, the connection is facilitated, the strength is ensured, the lightweight effect is improved, the energy consumption of the new energy vehicle is reduced, and the endurance is improved.

[0022] 2. The swing arm and the lower support of the utility model do not participate in the installation and connection of the shock absorber, the swing arm is directly connected with the cab support, and the shock absorber can be installed between the cab support and another frame support, so that the connection stability between the cab and the frame is improved, and the service life of the suspension is improved.

[0023] Of course, implementing any product of the present application does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Fig. 1 Figure 1 is a structural schematic diagram of a lightweight rear-mounted lower suspension of a full-floating suspension system of the present application;

[0026] Fig. 2 Figure 2 is a structural schematic diagram of the outer side view angle of the swing arm and the lower support of the present application;

[0027] Fig. 3 Figure 3 is a structural schematic diagram of the inner side view angle of the swing arm and the lower support of the present application;

[0028] In the drawings, the component list represented by each reference numeral is as follows:

[0029] 1-swing arm, 2-lower support, 3-stabilizer bar, 4-U-shaped seat, 5-adjusting rod, 101-frame body, 102-connection plate, 103-height valve connection position, 104-sleeve, 105-stabilizer bar assembly opening, 106-limiting lug plate, 107-reinforcing sleeve, 108-cab support connecting lug, 109-arc-shaped reinforcing rib, 201-top plate part, 202-side plate part, 203-reinforcing rib plate, 204-weight-reducing opening, 205-mounting opening, 206-height valve mounting position, 207-height valve support, 301-end, 401-outer flange. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Please refer to Figs. 1-3 Figure 1, the present application is a lightweight rear-mounted lower suspension of a full-floating suspension system, which comprises two swing arms 1, two lower supports 2 and a stabilizer bar 3;

[0032] The lower support 2 comprises a top plate part 201, both sides of the top plate part 201 are integrally provided with a side plate part 202, a reverse U-shaped main body is formed between the two side plate parts 202 and the top plate part 201, a reinforcing rib plate 203 is arranged at the middle part between the two side plate parts 202 and the top plate part 201, the reinforcing rib plate 203 is provided with a weight-reducing opening 204 and a plurality of mounting openings 205;

[0033] The top surface of the top plate part 201 is fixed with a U-shaped seat 4 through a plurality of fasteners;

[0034] The swing arm 1 comprises a frame-shaped main body 101, the frame-shaped main body 101 is integrally provided with a connecting plate 102, the cross section between the frame-shaped main body 101 and the connecting plate 102 forms an I-shaped structure, a height valve connecting position 103 is integrally arranged between the outer side of the middle part of the connecting plate 102 and the bottom edge of the frame-shaped main body 101;

[0035] One end of the frame-shaped main body 101 is integrally connected with a sleeve pipe 104, the sleeve pipe 104 is located in the U-shaped seat 4 and is rotationally connected with the U-shaped seat 4 through bolts and soft pads, the end of the connecting plate 102 away from the sleeve pipe 104 is provided with a stabilizing rod assembly opening 105, the bottom surface of the end of the frame-shaped main body 101 away from the sleeve pipe 104 is provided with a limiting protruding plate 106, the both sides of the limiting protruding plate 106 are provided with weight-reducing notches;

[0036] The inner side of the connecting plate 102 and the inner side of the frame-shaped main body 101 are integrally provided with a reinforcing sleeve 107, the reinforcing sleeve 107 is connected with the stabilizing rod assembly opening 105;

[0037] The top surface of the end of the frame-shaped main body 101 away from the sleeve pipe 104 is provided with a cab support connecting lug 108, the both sides of the cab support connecting lug 108 and the top surface of the frame-shaped main body 101 are both provided with arc-shaped reinforcing ribs 109;

[0038] The end of the stabilizing rod 3 is fixed in the stabilizing rod assembly opening 105 of the swing arm 1.

[0039] As shown in the drawings, Figs. 1-3 The outer sides of the two side plate parts 202 of the lower support 2 are both provided with a height valve mounting position 206, the height valve mounting position 206 is located at the outer side of the weight-reducing opening 204.

[0040] As shown in the drawings, Figs. 1-3 The width of the side plate part 202 at the position below the height valve mounting position 206 decreases in turn, the both sides of the bottom edge of the side plate part 202 are both provided with a chamfer or a round corner.

[0041] As shown in the drawings, Figs. 1-3 The top edges of the two side edges of the U-shaped seat 4 are both provided with outer folded edges 401, the two outer folded edges 401 are distributed in a reverse eight-character shape.

[0042] As shown in the drawings, Figs. 1-3As shown, the height valve connecting position 103 is connected with the adjusting rod 5 outside, and the height valve support 207 is fixed outside the height valve mounting position 206 close to the stabilizing rod 3 and opposite to the adjusting rod 5.

[0043] wherein as Figs. 1-3 As shown, the stabilizing rod assembly opening 105 is a curved triangular hole body, and the end of the stabilizing rod 3 is provided with an end head 301 matched with the stabilizing rod assembly opening 105.

[0044] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A lightweight rear-mounted under-suspension system of a full-floated suspension system, characterized by: It comprises two swing arms (1), two lower supports (2) and a stabilizer bar (3); The lower support (2) comprises a top plate part (201), both sides of the top plate part (201) are integrally provided with a side plate part (202), a reverse U-shaped main body is formed between the two side plate parts (202) and the top plate part (201), a reinforcing rib plate (203) is arranged at the middle part between the two side plate parts (202) and the top plate part (201), and the reinforcing rib plate (203) is provided with a weight-reducing opening (204) and a plurality of mounting openings (205). The top surface of the top plate part (201) is fixed with a U-shaped seat (4) through a plurality of fasteners. The swing arm (1) comprises a frame-shaped main body (101), the frame-shaped main body (101) is integrally provided with a connecting plate (102) inside, the cross section between the frame-shaped main body (101) and the connecting plate (102) forms an I-shaped structure, and a height valve connecting position (103) is integrally arranged between the outer side of the middle part of the connecting plate (102) and the bottom edge of the frame-shaped main body (101). One end of the frame-shaped main body (101) is integrally connected with a sleeve (104), the sleeve (104) is located in the U-shaped seat (4) and is rotationally connected with the U-shaped seat (4) through bolts and soft pads, the connecting plate (102) is provided with a stabilizer bar assembly opening (105) at the end away from the sleeve (104), the bottom surface of the end of the frame-shaped main body (101) away from the sleeve (104) is provided with a limiting protruding plate (106), and the limiting protruding plate (106) is provided with a weight-reducing notch on both sides. The inner side of the connecting plate (102) and the inner side of the frame-shaped main body (101) are integrally provided with a reinforcing sleeve (107), and the reinforcing sleeve (107) is connected with the stabilizer bar assembly opening (105). The top surface of the end of the frame-shaped main body (101) away from the sleeve (104) is provided with a cab support connecting lug (108), and the cab support connecting lug (108) is provided with an arc-shaped reinforcing rib (109) between both sides and the top surface of the frame-shaped main body (101). The stabilizer bar (3) is fixed at the end of the stabilizer bar assembly opening (105) of the swing arm (1).

2. The lightweight rear-mounted under-suspension system of claim 1, wherein, The outer sides of the two side plate parts (202) of the lower support (2) are provided with height valve mounting positions (206), and the height valve mounting positions (206) are located at the outer side of the weight-reducing opening (204).

3. The lightweight rear-mounted under-suspension of a full-floating suspension system according to claim 2, characterized in that, The width of the side plate part (202) at the position below the height valve mounting position (206) gradually decreases, and the bottom edges of the side plate part (202) are provided with chamfers or round corners on both sides.

4. The lightweight rear-mounted under-suspension system of claim 1, wherein, The top edges of the two side edges of the U-shaped seat (4) are provided with outer folded edges (401), and the two outer folded edges (401) are distributed in a reverse V shape.

5. The lightweight rear-mounted under-suspension system of claim 1, wherein, The height valve connecting position (103) is connected with an adjusting rod (5) on the outer side, and a height valve support (207) opposite to the position of the adjusting rod (5) is fixed on the outer side of the height valve mounting position (206) close to the stabilizer bar (3).

6. The lightweight rear-mounted under-suspension system of claim 1, wherein, The stabilizer bar assembly opening (105) is a curved triangular hole body, and the end of the stabilizer bar (3) is provided with an end head (301) matched with the stabilizer bar assembly opening (105).

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