Flexible overturning suspension assembly

Abstract

The utility model discloses a flexible turnover suspension assembly, which relates to the technical field of automobile parts, and comprises a sleeve assembly, a torsion bar is arranged in the sleeve assembly, lower support welding assemblies are respectively arranged at two ends of the sleeve assembly, each lower support welding assembly comprises a supporting seat, a bottom plate is arranged at the lower end of the supporting seat, and the torsion bar is arranged on the bottom plate. A sleeve matched with the casing pipe assembly is arranged at the upper end of the supporting seat, and a lining is arranged in the sleeve. Structural adjustment is conducted on the lower support, structural parts are adjusted through castings, and the lower support can be changed at will and can be suitable for turning heights and frame widths of different vehicle types.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a flexible rollover suspension assembly. Background Art

[0002] In the existing flip suspension assembly, the lower support is generally made of castings. Due to the different flip heights, the casting base mold needs to be constantly changed and the development cycle is long, which affects the timeliness of the product. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a flexible flip suspension assembly, which can adjust the structure of the lower support and adjust the structural parts by casting, and can be changed at will to adapt to the flip height and frame width of different vehicle models.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a flexible flip suspension assembly, including a sleeve assembly, a torsion bar is arranged inside the sleeve assembly, and lower support welding assemblies are respectively arranged at both ends of the sleeve assembly, and the lower support welding assembly includes a support seat, a bottom plate is arranged at the lower end of the support seat, and a sleeve matched with the sleeve assembly is arranged at the upper end of the support seat, and a bushing is arranged in the sleeve.

[0005] A further improvement is that the bushing is cylindrical, a through hole is provided at the center of the bushing, and a flange portion is provided on the inner side surface of the bushing.

[0006] A further improvement is that upper brackets are respectively provided at both ends of the sleeve assembly, and the upper bracket includes a bracket body fixedly mounted on the sleeve assembly, and the rear end of the bracket body is warped upward to form a warped portion, and a reinforced limit baffle adapted to the lower support welding assembly is provided on the outer side of at least one bracket body.

[0007] A further improvement is that: a first reinforcing plate is arranged between the base plate and the support seat, a second reinforcing plate is arranged between the bracket body and the sleeve assembly; and a pad is arranged on the bottom surface of the base plate.

[0008] A further improvement is that a mounting frame is also provided on the sleeve assembly.

[0009] A further improvement is that both ends of the torsion bar are respectively provided with spline teeth.

[0010] A further improvement is that the sleeve assembly includes a sleeve body, and a spline sleeve is insert-welded at one end of the sleeve assembly, and a first spline groove matched with the spline teeth is arranged in the spline sleeve.

[0011] A further improvement is that a swing arm mechanism is provided at the other end of the sleeve assembly, and the swing arm mechanism includes a connecting sleeve and a small swing arm, and a second spline groove adapted to the spline teeth is provided in the connecting sleeve; the upper end of the small swing arm is fixedly connected to the connecting sleeve, and an arc-shaped limit groove is provided at the lower end of the small swing arm, and a fixing bolt is inserted in the arc-shaped limit groove.

[0012] Further improvements are: it also includes a push rod mechanism, which includes a mounting plate and a push rod bolt, the mounting plate is fixedly connected to the support seat, and the mounting plate is provided with a fixing screw hole that is compatible with the fixing bolt; a connecting plate is provided on one side of the mounting plate, and a push rod screw hole is provided on the connecting plate, and the screw end of the push rod bolt passes through the push rod screw hole and is supported against the small swing arm.

[0013] A further improvement is that: a first stopper is provided at the outer end of the spline sleeve, and a second stopper is provided at the outer end of the connecting sleeve; and a third reinforcing rib is provided between the small swing arm and the connecting sleeve.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model solves the problem of too long mold development cycle and too many varieties in enterprises, thus reducing manufacturing costs.

[0016] 2. In the utility model, the flexible adaptability of mechanical flipping to different vehicle models is solved by welding structural parts.

[0017] 3. In the utility model, the right inner limit reduces the welding process, improves production efficiency, and also reduces manufacturing costs.

[0018] 4. In the utility model, the insert welding ensures the coaxiality of the spline teeth and the sleeve, thus ensuring the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the flexible flip suspension assembly in the first embodiment of the utility model;

[0020] Figure 2 It is an exploded view of the flexible flip suspension assembly in the first embodiment of the utility model;

[0021] Figure 3 An exploded view of the flexible flip suspension assembly from another side in the first embodiment of the present utility model;

[0022] Figure 4 This is a front view of the flexible flip suspension assembly in the first embodiment of the utility model;

[0023] Figure 5 It is a side view of the flexible flip suspension assembly in the first embodiment of the utility model;

[0024] Figure 6 It is a top view of the flexible flip suspension assembly in the first embodiment of the utility model;

[0025] Figure 7 This is a structural schematic diagram of the sleeve assembly in the first embodiment of the utility model;

[0026] Figure 8 This is a schematic diagram of the structure of the torsion bar in the first embodiment of the utility model;

[0027] Fig. 9 This is a structural schematic diagram of the lower support welding assembly and the ejector mechanism in the first embodiment of the utility model;

[0028] Fig.10 This is a schematic diagram of the structure of the bushing in the first embodiment of the utility model;

[0029] Fig.11 It is a structural schematic diagram of the swing arm mechanism in the first embodiment of the utility model.

[0030] Fig.12 It is a three-dimensional diagram of the flexible flip suspension assembly in the second embodiment of the present utility model.

[0031] Reference numerals:

[0032] 1-sleeve assembly; 11-sleeve body; 12-second reinforcement plate; 13-mounting frame; 14-spline sleeve; 15-first spline groove; 16-first stopper;

[0033] 2-torsion bar; 21-spline teeth;

[0034] 3-lower support welding assembly; 31-sleeve; 32-support seat; 33-bottom plate; 34-first reinforcement plate; 35-backing plate;

[0035] 4- bushing; 41- through hole; 42- flange portion;

[0036] 5-upper bracket; 51-lifting part; 52-reinforced limit baffle;

[0037] 6-swing arm mechanism; 61-connecting sleeve; 62-second spline groove; 63-second stopper; 64-small swing arm; 65-arc limit groove; 66-fixing bolt; 67-third reinforcing rib;

[0038] 7-rod mechanism; 71-mounting plate; 72-fixing screw hole; 73-connecting plate; 74-rod screw hole; 75-rod bolt. DETAILED DESCRIPTION

[0039] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0040] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0042] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model.

[0043] Embodiment 1

[0044] See also Figure 1 to Figure 6 As shown, the embodiment of the utility model provides a flexible flip suspension assembly, specifically a mechanical flip suspension assembly, including a sleeve assembly 1, a torsion bar 2 is arranged in the sleeve assembly 1, and lower support welding assemblies 3 are respectively arranged at both ends of the sleeve assembly 1, see Figure 8 As shown, the lower support welding assembly 3 includes a support seat 32, a bottom plate 33 is provided at the lower end of the support seat 32, a sleeve 31 adapted to the sleeve assembly 1 is provided at the upper end of the support seat 32, and a bushing 4 is provided in the sleeve 31. The left and right lower support welding assemblies 3 are welded by structural parts, and can be adjusted at will according to the flip height of different vehicle models. At the same time, the front and rear offset distances of the left and right lower support welding assemblies 3 can be flexibly adjusted with different cabs, solving the problem of inconsistent clearances between the two sides of the cab and the front bumper. A pad 35 is provided on the bottom surface of the bottom plate 33, which is used to level the first longitudinal beam of the frame and the frame.

[0045] See also Fig.10 As shown, the bushing 4 is cylindrical, and a through hole 41 is provided at the center of the bushing 4 , and a flange portion 42 is provided on the inner side surface of the bushing 4 .

[0046] See also Figure 7 As shown, upper brackets 5 are respectively provided at both ends of the sleeve assembly 1, and the upper bracket 5 includes a bracket body fixedly sleeved on the sleeve assembly 1, and the rear end of the bracket body is tilted upward to form a tilting portion 51, and a reinforcing limit baffle 52 adapted to the lower support welding assembly 3 is provided on the outer side of the bracket body located on the right side. Specifically, a first reinforcing plate 34 is provided between the bottom plate 33 and the support seat 32, and a second reinforcing plate 12 is provided between the bracket body and the sleeve assembly 1. A mounting frame 13 is also provided on the sleeve assembly 1.

[0047] See also Figure 8 As shown, both ends of the torsion bar 2 are respectively provided with spline teeth 21 .

[0048] See also Figure 7 As shown, the sleeve assembly 1 includes a sleeve body 11 , and a spline sleeve 14 is insert-welded at one end of the sleeve assembly 1 , and a first spline groove 15 matching the spline teeth 21 is arranged in the spline sleeve 14 .

[0049] See also Fig.11 As shown, the other end of the sleeve assembly 1 is provided with a swing arm mechanism 6, which includes a connecting sleeve 61 and a small swing arm 64. The connecting sleeve 61 is provided with a second spline groove 62 adapted to the spline tooth 21; the upper end of the small swing arm 64 is fixedly connected to the connecting sleeve 61, and the lower end of the small swing arm 64 is provided with an arc-shaped limit groove 65, and a fixing bolt 66 is inserted in the arc-shaped limit groove 65.

[0050] See also Fig. 9 As shown, it also includes a push rod mechanism 7, which includes a mounting plate 71 and a push rod bolt 75. The mounting plate 71 is fixedly connected to the support seat 32, and the mounting plate 71 is provided with a fixing screw hole 72 adapted to the fixing bolt 66; a connecting plate 73 is provided on one side of the mounting plate 71, and a push rod screw hole 74 is provided on the connecting plate 73. The screw end of the push rod bolt 75 passes through the push rod screw hole 74 and abuts against the small swing arm 64. Specifically, the outer end of the spline sleeve 14 is provided with a first stopper 16, and the outer end of the connecting sleeve 61 is provided with a second stopper 63; a third reinforcing rib 67 is provided between the small swing arm 64 and the connecting sleeve 61.

[0051] Embodiment 2

[0052] See also Fig.12 As shown, the structure of the embodiment of the utility model is basically the same as that of the first embodiment, except that the present embodiment is a hydraulic lifting and flipping suspension assembly, and the spline teeth 21, the spline sleeve 14, the push rod mechanism 7 and the swing arm mechanism 6 are eliminated.

[0053] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0054] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A flexible rollover suspension assembly, comprising a sleeve assembly (1), characterized in that: The sleeve assembly (1) is provided with a torsion bar (2), and lower support welding assemblies (3) are provided at both ends of the sleeve assembly (1), respectively. The lower support welding assembly (3) comprises a support seat (32), a bottom plate (33) is provided at the lower end of the support seat (32), a sleeve (31) matched with the sleeve assembly (1) is provided at the upper end of the support seat (32), and a bushing (4) is provided in the sleeve (31).

2. The flexible rollover suspension assembly according to claim 1, characterized in that: The bushing (4) is cylindrical, a through hole (41) is provided at the center of the bushing (4), and a flange portion (42) is provided on the inner side surface of the bushing (4).

3. The flexible rollover suspension assembly according to claim 1, characterized in that: An upper bracket (5) is respectively provided at both ends of the sleeve assembly (1), and the upper bracket (5) comprises a bracket body fixedly sleeved on the sleeve assembly (1), and the rear end of the bracket body is tilted upward to form a tilted portion (51), and a reinforced limit baffle (52) adapted to the lower support welding assembly (3) is provided on the outer side of at least one bracket body.

4. The flexible rollover suspension assembly according to claim 3 is characterized in that: A first reinforcing plate (34) is arranged between the bottom plate (33) and the support seat (32), and a second reinforcing plate (12) is arranged between the bracket body and the sleeve assembly (1); a pad (35) is arranged on the bottom surface of the bottom plate (33).

5. The flexible rollover suspension assembly according to claim 1, characterized in that: The sleeve assembly (1) is also provided with a mounting frame (13).

6. The flexible rollover suspension assembly according to claim 1, characterized in that: Both ends of the torsion bar (2) are respectively provided with spline teeth (21).

7. The flexible rollover suspension assembly according to claim 6, characterized in that: The sleeve assembly (1) comprises a sleeve body (11), and a spline sleeve (14) is insert-welded at one end of the sleeve assembly (1), wherein a first spline groove (15) matching with the spline teeth (21) is arranged in the spline sleeve (14).

8. The flexible rollover suspension assembly according to claim 7, characterized in that: The other end of the sleeve assembly (1) is provided with a swing arm mechanism (6), the swing arm mechanism (6) comprising a connecting sleeve (61) and a small swing arm (64), the connecting sleeve (61) being provided with a second spline groove (62) adapted to the spline teeth (21); the upper end of the small swing arm (64) is fixedly connected to the connecting sleeve (61), the lower end of the small swing arm (64) is provided with an arc-shaped limiting groove (65), and a fixing bolt (66) is inserted into the arc-shaped limiting groove (65).

9. The flexible rollover suspension assembly according to claim 8, characterized in that: The invention also comprises a push rod mechanism (7), wherein the push rod mechanism (7) comprises a mounting plate (71) and a push rod bolt (75), wherein the mounting plate (71) is fixedly connected to the support seat (32), and a fixing screw hole (72) matching with the fixing bolt (66) is arranged on the mounting plate (71); a connecting plate (73) is arranged on one side of the mounting plate (71), and a push rod screw hole (74) is arranged on the connecting plate (73), and the screw end of the push rod bolt (75) passes through the push rod screw hole (74) and abuts against the small swing arm (64).

10. The flexible rollover suspension assembly according to claim 8, characterized in that: The outer end of the spline sleeve (14) is provided with a first stopper (16), and the outer end of the connecting sleeve (61) is provided with a second stopper (63); a third reinforcing rib (67) is provided between the small swing arm (64) and the connecting sleeve (61).

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