Integral type double-airbag drive axle and suspension assembly

Abstract

The utility model discloses an integral type double air bag drive axle and suspension assembly, including axle housing body, first axle shaft sleeve and brake flange, the first axle shaft sleeve is fixedly connected to the end portion of axle housing body, the brake flange is fixedly sleeved on the outer wall of the first axle shaft sleeve, the first guide arm is fixedly connected to the outer wall of axle housing body, and the second guide arm is fixedly connected to the outer wall of axle housing body. The axle housing body, the first axle shaft sleeve, the brake flange and the first guide arm are integrally manufactured, the frame is arranged at the top of the axle housing body, the connecting assembly is arranged between the frame and the first guide arm, and the supporting assembly is integrally cast on one side of the axle housing body to support the air bag. The matching use mode of the axle housing body, the connecting assembly and the supporting assembly is utilized, the fixed connecting parts are all integrally cast, and the integrally cast axle housing has the advantages that the process is simple, production is convenient, stress distribution of the axle housing is uniform through local thickening, uniform transition and other structures, and the service life of the axle housing is prolonged under the condition that the strength and the service life are guaranteed. And the weight is lighter.

Description

Technical Field

[0001] The utility model relates to the field of drive axles, in particular to an integral double-airbag drive axle and a suspension component. Background Art

[0002] The bridge housing is one of the components of a car. It is the basic part for installing the main reducer, differential, half shaft, wheel hub and suspension. The bridge housing is usually cast from steel.

[0003] The traditional bridge shell is a welded and assembled structure. The welds of the bridge shell with a welded and assembled structure are prone to cracking after long-term use. The wall thickness of the assembly connection between the bridge shell and the support arm is too large, which adds a lot of weight, and the weight of the bolts themselves, etc. All of the above weights added together will cause the bridge shell to be very heavy. In addition, the welded and assembled bridge shell requires the various components to be welded together, and the support arm and the bridge shell need to be assembled, which increases a lot of processing hours. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated dual-airbag drive axle and suspension assembly to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an integrated dual-airbag drive axle, comprising:

[0006] A bridge housing body, a first half-axle sleeve and a brake flange, wherein the first half-axle sleeve is fixedly connected to the end of the bridge housing body, and the brake flange is fixedly sleeved on the outer wall of the first half-axle sleeve;

[0007] A first guide arm, wherein the first guide arm is fixedly connected to the outer wall of the bridge housing body, and the bridge housing body, the first half-axle sleeve, the brake flange and the first guide arm are manufactured in one piece;

[0008] A vehicle frame, the vehicle frame being arranged on the top of the bridge housing body;

[0009] A connecting assembly, the connecting assembly being arranged between the vehicle frame and the first guide arm;

[0010] An airbag and a connecting piece, wherein the airbag is fixedly connected to the bottom of the vehicle frame through the connecting piece;

[0011] A support assembly is integrally cast on one side of the bridge housing body to support the airbag.

[0012] Preferably, the connection assembly comprises:

[0013] A support plate, the support plate being fixedly connected to a side of the frame;

[0014] A first fixed pin shaft, the support plate is rotatably connected to the first guide arm through the first fixed pin shaft.

[0015] Preferably, the connection assembly comprises:

[0016] A support seat, the support seat is fixedly connected to the bottom of the frame;

[0017] A second fixed pin shaft, the support seat is rotatably connected to the first guide arm through the second fixed pin shaft.

[0018] Preferably, the connection assembly comprises:

[0019] A support frame, the support frame is fixedly connected to the side of the frame;

[0020] a third fixed pin shaft, the outer wall of which is rotatably connected to the first guide arm;

[0021] A fixed block and a connecting shaft, wherein the connecting shaft is fixedly connected to the end of the third fixed pin shaft through the fixed block, and the connecting shaft and the third fixed pin shaft are arranged perpendicular to each other;

[0022] A fixing member is fixedly connected to the bottom of the supporting frame, and the outer wall of the connecting shaft is rotatably connected to the fixing member.

[0023] Preferably, a thrust bracket is fixedly connected to the top of the bridge housing body, a thrust rod is fixedly connected to the inner side of the frame, a connecting head is fixedly connected to the end of the thrust rod, and the connecting head is rotatably connected to the top of the thrust bracket.

[0024] Preferably, the support assembly comprises:

[0025] A second guide arm, the second guide arm is integrally cast on a side of the bridge housing body away from the first guide arm;

[0026] The first fixing seat is fixedly connected to the bottom of the airbag, and the bottom of the first fixing seat is fixedly connected to the second guide arm.

[0027] Preferably, the support assembly comprises:

[0028] A third guide arm, the third guide arm is integrally cast on a side of the bridge housing body away from the first guide arm;

[0029] A load-bearing rod, the end of which is fixedly connected to the third guide arm, and the top of which is symmetrically fixedly connected with a connecting block;

[0030] A second fixing seat, the top of which is fixedly connected to the airbag, and the bottom of which is fixedly connected to the connecting block and the third guide arm.

[0031] Another object of the utility model is to provide a suspension assembly, wherein the suspension assembly includes the above-mentioned integral dual-airbag drive axle.

[0032] Technical effects and advantages of the utility model:

[0033] The utility model utilizes the coordinated use of a bridge shell body, a connecting assembly and a supporting assembly, and its fixed connecting parts are all cast in one piece. The advantage of one-piece casting is that the process is simple and the production is convenient. Through local thickening, unequal wall thickness, uniform transition and other structures, the stress distribution of the bridge shell is uniform, and it has a lighter weight while ensuring strength and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0035] Figure 2 It is a schematic diagram of the side structure of the utility model.

[0036] Figure 3 It is a schematic diagram of the overall structure of the connection of the third guide arm of the utility model.

[0037] Figure 4 It is a schematic diagram of the overall structure of the connection between the third guide arm and the bridge housing body of the utility model.

[0038] Figure 5 It is a schematic diagram of the overall structure of the connection between the support frame and the bridge housing body of the utility model.

[0039] Figure 6 It is a schematic diagram of the overall structure of the connection between the support seat and the bridge housing body of the utility model.

[0040] Figure 7 It is a schematic diagram of the overall structure of two second half-axle sleeves of the utility model.

[0041] Figure 8 This is a schematic diagram of the internal structure of the second half-axle sleeve at the front side of the utility model.

[0042] Fig. 9 It is a schematic diagram of the internal structure of the shaft tube of the utility model from the front.

[0043] In the figure: 1, bridge housing body; 2, first half-axle sleeve; 3, brake flange; 4, first guide arm; 5, frame; 6, connecting assembly; 61, support plate; 62, first fixed pin; 63, support seat; 64, second fixed pin; 65, support frame; 66, fixing piece; 67, third fixed pin; 68, fixing block; 69, connecting shaft; 7, airbag; 8, supporting assembly; 81, second guide arm; 82, first fixed seat; 83, third guide arm; 84, bearing rod; 85, connecting block; 86, second fixed seat; 9, connecting piece; 10, thrust bracket; 11, thrust rod; 12, connector; 101, motor assembly; 102, second half-axle sleeve; 1021, axle tube; 1022, bridge body; 103, flange; 104, front guide arm; 105, rear guide arm; 106, bridge housing body. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] Example 1

[0046] The utility model provides Figure 1-3 The shown one kind of integral dual airbag drive axle comprises a bridge housing body 1, a first half-axle sleeve 2 and a brake flange 3, a first guide arm 4, a frame 5, a connecting assembly 6, an airbag 7, a support assembly 8 and a connecting piece 9, and the number of the first half-axle sleeve 2 and the brake flange 3, the first guide arm 4, the frame 5, the connecting assembly 6, the airbag 7, the support assembly 8 and the connecting piece 9 are two, and they are symmetrically arranged, the first half-axle sleeve 2 is fixedly connected to the end of the bridge housing body 1, and the brake flange 3 is fixedly sleeved on the first half-axle sleeve 2 The outer wall of the bridge housing body 1, the first guide arm 4 is fixedly connected to the outer wall of the bridge housing body 1, the bridge housing body 1, the first half-axle sleeve 2, the brake flange 3 and the first guide arm 4 are manufactured as one piece, the frame 5 is arranged on the top of the bridge housing body 1, the connecting assembly 6 is arranged between the frame 5 and the first guide arm 4, the airbag 7 is fixedly connected to the bottom of the frame 5 through the connecting piece 9, the supporting assembly 8 is integrally cast on one side of the bridge housing body 1 to support the airbag 7, and under the action of the airbag 7, the connection between the frame 5 and the bridge housing body 1 can be buffered.

[0047] Furthermore, the connecting assembly 6 includes a support plate 61 and a first fixed pin 62. The support plate 61 is fixedly connected to the side of the frame 5. The support plate 61 is rotatably connected to the first guide arm 4 through the first fixed pin 62, and the front view of the support plate 61 is L-shaped. Under the action of the support plate 61 and the first fixed pin 62, the bridge housing body 1 can be rotated relative to the frame 5 through the first guide arm 4, so that the airbag 7 is compressed to reduce the shock of the frame 5.

[0048] Example 2

[0049] The utility model provides Figure 6 The shown one kind of integral dual airbag drive axle comprises a bridge housing body 1, a first half-axle sleeve 2 and a brake flange 3, a first guide arm 4, a frame 5, a connecting assembly 6, an airbag 7, a support assembly 8 and a connecting piece 9, and the number of the first half-axle sleeve 2 and the brake flange 3, the first guide arm 4, the frame 5, the connecting assembly 6, the airbag 7, the support assembly 8 and the connecting piece 9 are two, and they are symmetrically arranged, the first half-axle sleeve 2 is fixedly connected to the end of the bridge housing body 1, and the brake flange 3 is fixedly sleeved on the first half-axle sleeve 2 The outer wall of the bridge housing body 1, the first guide arm 4 is fixedly connected to the outer wall of the bridge housing body 1, the bridge housing body 1, the first half-axle sleeve 2, the brake flange 3 and the first guide arm 4 are manufactured as one piece, the frame 5 is arranged on the top of the bridge housing body 1, the connecting assembly 6 is arranged between the frame 5 and the first guide arm 4, the airbag 7 is fixedly connected to the bottom of the frame 5 through the connecting piece 9, the supporting assembly 8 is integrally cast on one side of the bridge housing body 1 to support the airbag 7, and under the action of the airbag 7, the connection between the frame 5 and the bridge housing body 1 can be buffered.

[0050] Furthermore, the connecting assembly 6 includes a support seat 63 and a second fixed pin 64, the support seat 63 is fixedly connected to the bottom of the frame 5, the support seat 63 is rotatably connected to the first guide arm 4 through the second fixed pin 64, and the front view of the support seat 63 is rectangular. Under the action of the support seat 63 and the second fixed pin 64, the bridge housing body 1 can be rotated relative to the frame 5 through the first guide arm 4, so that the airbag 7 is compressed to reduce the shock of the frame 5.

[0051] Example 3

[0052] The utility model provides Figure 5The shown one kind of integral dual airbag drive axle comprises a bridge housing body 1, a first half-axle sleeve 2 and a brake flange 3, a first guide arm 4, a frame 5, a connecting assembly 6, an airbag 7, a support assembly 8 and a connecting piece 9, and the number of the first half-axle sleeve 2 and the brake flange 3, the first guide arm 4, the frame 5, the connecting assembly 6, the airbag 7, the support assembly 8 and the connecting piece 9 are two, and they are symmetrically arranged, the first half-axle sleeve 2 is fixedly connected to the end of the bridge housing body 1, and the brake flange 3 is fixedly sleeved on the first half-axle sleeve 2 The outer wall of the bridge housing body 1, the first guide arm 4 is fixedly connected to the outer wall of the bridge housing body 1, the bridge housing body 1, the first half-axle sleeve 2, the brake flange 3 and the first guide arm 4 are manufactured as one piece, the frame 5 is arranged on the top of the bridge housing body 1, the connecting assembly 6 is arranged between the frame 5 and the first guide arm 4, the airbag 7 is fixedly connected to the bottom of the frame 5 through the connecting piece 9, the supporting assembly 8 is integrally cast on one side of the bridge housing body 1 to support the airbag 7, and under the action of the airbag 7, the connection between the frame 5 and the bridge housing body 1 can be buffered.

[0053] Furthermore, the connecting assembly 6 includes a support frame 65, a fixing member 66, a third fixed pin 67, a fixing block 68 and a connecting shaft 69. The support frame 65 is fixedly connected to the side of the frame 5. The outer wall of the third fixed pin 67 is rotatably connected to the first guide arm 4. The side view of the support frame 65 is in the shape of a Y bracket. The connecting shaft 69 is fixedly connected to the end of the third fixed pin 67 through the fixing block 68, and the connecting shaft 69 and the third fixed pin 67 are arranged perpendicular to each other. The fixing member 66 is fixedly connected to the bottom of the support frame 65, and the outer wall of the connecting shaft 69 is rotatably connected to the fixing member 66, so that the support frame 65 can be rotated in two vertical directions through the third fixed pin 67 and the connecting shaft 69, so that the frame 5 can be rotated relative to the bridge housing body 1.

[0054] Furthermore, a thrust bracket 10 is fixedly connected to the top of the bridge housing body 1, a thrust rod 11 is fixedly connected to the inner side of the frame 5, a connecting head 12 is fixedly connected to the end of the thrust rod 11, and the connecting head 12 is rotatably connected to the top of the thrust bracket 10. The thrust bracket 10, the thrust rod 11 and the connecting head 12 are used to enhance the lateral stability of the entire bridge, and the thrust bracket 10, the thrust rod 11 and the connecting head 12 are unidirectionally arranged. Since the support frame 65 can be rotated in two vertical directions through the third fixed pin shaft 67 and the connecting shaft 69, the stress at the connection between the thrust rod 11 and the thrust bracket 10 can also be eliminated.

[0055] Example 4

[0056] The utility model provides Figure 1-2The shown one kind of integral dual airbag drive axle comprises a bridge housing body 1, a first half-axle sleeve 2 and a brake flange 3, a first guide arm 4, a frame 5, a connecting assembly 6, an airbag 7, a support assembly 8 and a connecting piece 9, and the number of the first half-axle sleeve 2 and the brake flange 3, the first guide arm 4, the frame 5, the connecting assembly 6, the airbag 7, the support assembly 8 and the connecting piece 9 are two, and they are symmetrically arranged, the first half-axle sleeve 2 is fixedly connected to the end of the bridge housing body 1, and the brake flange 3 is fixedly sleeved on the first half-axle sleeve 2 The outer wall of the bridge housing body 1, the first guide arm 4 is fixedly connected to the outer wall of the bridge housing body 1, the bridge housing body 1, the first half-axle sleeve 2, the brake flange 3 and the first guide arm 4 are manufactured as one piece, the frame 5 is arranged on the top of the bridge housing body 1, the connecting assembly 6 is arranged between the frame 5 and the first guide arm 4, the airbag 7 is fixedly connected to the bottom of the frame 5 through the connecting piece 9, the supporting assembly 8 is integrally cast on one side of the bridge housing body 1 to support the airbag 7, and under the action of the airbag 7, the connection between the frame 5 and the bridge housing body 1 can be buffered.

[0057] Furthermore, the support assembly 8 includes a second guide arm 81 and a first fixed seat 82. The second guide arm 81 is integrally cast on the side of the bridge housing body 1 away from the first guide arm 4. The first fixed seat 82 is fixedly connected to the bottom of the airbag 7. The bottom of the first fixed seat 82 is fixedly connected to the second guide arm 81. The second guide arm 81 can support the airbag 7 through the first fixed seat 82. There are two second guide arms 81 on the bridge housing body 1, and the bridge housing body 1 and the second guide arm 81 are integrally cast. The advantage of integral casting is that the process is simple and the production is convenient. Through local thickening, unequal wall thickness, uniform transition and other structures, the stress distribution of the bridge housing is uniform, and it has a lighter weight while ensuring strength and service life.

[0058] Example 5

[0059] The utility model provides Figure 3-6The shown one kind of integral dual airbag drive axle comprises a bridge housing body 1, a first half-axle sleeve 2 and a brake flange 3, a first guide arm 4, a frame 5, a connecting assembly 6, an airbag 7, a support assembly 8 and a connecting piece 9, and the number of the first half-axle sleeve 2 and the brake flange 3, the first guide arm 4, the frame 5, the connecting assembly 6, the airbag 7, the support assembly 8 and the connecting piece 9 are two, and they are symmetrically arranged, the first half-axle sleeve 2 is fixedly connected to the end of the bridge housing body 1, and the brake flange 3 is fixedly sleeved on the first half-axle sleeve 2 The outer wall of the bridge housing body 1, the first guide arm 4 is fixedly connected to the outer wall of the bridge housing body 1, the bridge housing body 1, the first half-axle sleeve 2, the brake flange 3 and the first guide arm 4 are manufactured as one piece, the frame 5 is arranged on the top of the bridge housing body 1, the connecting assembly 6 is arranged between the frame 5 and the first guide arm 4, the airbag 7 is fixedly connected to the bottom of the frame 5 through the connecting piece 9, the supporting assembly 8 is integrally cast on one side of the bridge housing body 1 to support the airbag 7, and under the action of the airbag 7, the connection between the frame 5 and the bridge housing body 1 can be buffered.

[0060] Furthermore, the support assembly 8 includes a third guide arm 83, a load-bearing rod 84 and a second fixed seat 86. The third guide arm 83 is integrally cast on the side of the bridge housing body 1 away from the first guide arm 4, and the number of the third guide arms 83 is two. The load-bearing rod 84 is fixedly connected between the two third guide arms 83. The end of the load-bearing rod 84 is fixedly connected to the third guide arm 83. The top of the load-bearing rod 84 is symmetrically fixedly connected with a connecting block 85. The top of the second fixed seat 86 is fixedly connected to the airbag 7, and the bottom of the second fixed seat 86 is fixedly connected to the connecting block 85 and the third guide arm 83. Under the action of the load-bearing rod 84, the stability of the second fixed seat 86 in supporting the airbag 7 can be improved, and the second fixed seat 86 is fixedly connected to the connecting block 85 and the third guide arm 83 by welding.

[0061] Example 6

[0062] The utility model provides Figure 6-9 An integral dual-airbag drive axle shown is a split dual-airbag drive axle, including a motor assembly 101, with a bridge housing body 106 provided on both sides of the motor assembly 101, a flange 103 is fixedly connected to the side of the bridge housing body 106 close to the motor assembly 101, the bridge housing body 106 is fixedly connected to the motor assembly 101 through the flange 103, a second half-axle sleeve 102 is fixedly connected to the side of the bridge housing body 106 away from the motor assembly, and the second half-axle sleeve 102 can be assembled from an axle tube 1021 and a bridge body 1022, and a front guide arm 104 and a rear guide arm 105 are fixedly connected to both sides of the bridge housing body 106.

[0063] This embodiment provides a suspension assembly, which includes the above-mentioned integrated dual-airbag drive axle.

[0064] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated dual-airbag drive axle, characterized in that: include: A bridge housing body (1), a first half-axle sleeve (2) and a brake flange (3), wherein the first half-axle sleeve (2) is fixedly connected to the end of the bridge housing body (1), and the brake flange (3) is fixedly sleeved on the outer wall of the first half-axle sleeve (2); A first guide arm (4), wherein the first guide arm (4) is fixedly connected to the outer wall of the bridge housing body (1), and the bridge housing body (1), the first half-axle sleeve (2), the brake flange (3) and the first guide arm (4) are manufactured in one piece; A vehicle frame (5), wherein the vehicle frame (5) is arranged on the top of the bridge housing body (1); A connecting assembly (6), wherein the connecting assembly (6) is arranged between the vehicle frame (5) and the first guide arm (4); An airbag (7) and a connecting member (9), wherein the airbag (7) is fixedly connected to the bottom of the vehicle frame (5) via the connecting member (9); A support assembly (8) is integrally cast on one side of the bridge housing body (1) to support the airbag (7).

2. The integrated dual-airbag drive axle according to claim 1, characterized in that: The connecting component (6) comprises: A support plate (61), wherein the support plate (61) is fixedly connected to a side of the vehicle frame (5); A first fixed pin shaft (62), the support plate (61) is rotatably connected to the first guide arm (4) via the first fixed pin shaft (62).

3. The integrated dual-airbag drive axle according to claim 1, characterized in that: The connecting component (6) comprises: A support seat (63), wherein the support seat (63) is fixedly connected to the bottom of the vehicle frame (5); A second fixed pin shaft (64), the support seat (63) is rotatably connected to the first guide arm (4) via the second fixed pin shaft (64).

4. The integrated dual-airbag drive axle according to claim 1, characterized in that: The connecting component (6) comprises: A support frame (65), wherein the support frame (65) is fixedly connected to a side of the vehicle frame (5); a third fixed pin shaft (67), the outer wall of the third fixed pin shaft (67) being rotatably connected to the first guide arm (4); A fixed block (68) and a connecting shaft (69), wherein the connecting shaft (69) is fixedly connected to the end of the third fixed pin shaft (67) through the fixed block (68), and the connecting shaft (69) and the third fixed pin shaft (67) are arranged perpendicular to each other; A fixing member (66), wherein the fixing member (66) is fixedly connected to the bottom of the support frame (65), and the outer wall of the connecting shaft (69) is rotatably connected to the fixing member (66).

5. The integrated dual-airbag drive axle according to claim 4, characterized in that: The top of the bridge housing body (1) is fixedly connected to a thrust bracket (10), the inner side of the vehicle frame (5) is fixedly connected to a thrust rod (11), the end of the thrust rod (11) is fixedly connected to a connecting head (12), and the connecting head (12) is rotatably connected to the top of the thrust bracket (10).

6. The integrated dual-airbag drive axle according to claim 1, characterized in that: The support assembly (8) comprises: A second guide arm (81), the second guide arm (81) being integrally cast on a side of the bridge housing body (1) facing away from the first guide arm (4); A first fixing seat (82), wherein the first fixing seat (82) is fixedly connected to the bottom of the airbag (7), and the bottom of the first fixing seat (82) is fixedly connected to the second guide arm (81).

7. The integrated dual-airbag drive axle according to claim 1, characterized in that: The support assembly (8) comprises: A third guide arm (83), wherein the third guide arm (83) is integrally cast on a side of the bridge housing body (1) facing away from the first guide arm (4); A bearing rod (84), the end of which is fixedly connected to the third guide arm (83), and the top of which is symmetrically fixedly connected to a connecting block (85); A second fixing seat (86), the top of the second fixing seat (86) is fixedly connected to the airbag (7), and the bottom of the second fixing seat (86) is fixedly connected to the connecting block (85) and the third guide arm (83).

8. A suspension assembly, characterized in that: The suspension assembly comprises an integral dual-airbag drive axle as described in any one of claims 1-7.

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