Plate spring suspension mechanism for vehicle bearing

Abstract

The utility model discloses a plate spring suspension mechanism for vehicle bearing, which comprises a connecting device, and a supporting device is arranged at the top of the connecting device. The supporting device comprises a front support, and two first flanges are symmetrically arranged on the two sides of the front support. According to the plate spring suspension mechanism for vehicle bearing, the first turnup edge, the second turnup edge and the third turnup edge are arranged on the side edge of the front support, the side edge of the middle support and the side edge of the rear support respectively, by arranging the turnup edges with the three faces continuously surrounded, the supporting strength is improved under the condition that the material cost is not increased, and the bearing capacity of the suspension mechanism is higher; a first round corner, a second round corner and a third round corner are respectively arranged at the bottoms of the first flange, the second flange and the third flange, so that sharp corners at the bottom of the supporting device can be eliminated, the bottom of a vehicle is prevented from hooking foreign matters, and the driving safety of the vehicle is conveniently improved; the middle support and the rear support are both of a symmetrical structure, the structure is easy to produce, and meanwhile the convenience of mounting and dismounting of the device can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of the design of vehicle leaf spring suspension mechanisms, and particularly relates to a leaf spring suspension mechanism for vehicle load bearing. Background Art

[0002] The vehicle leaf spring suspension mechanism is an important part of the vehicle suspension system. Its main function is to support the vehicle body weight, buffer the impact caused by road unevenness, and ensure the smoothness and comfort of vehicle driving. In addition, the leaf spring suspension mechanism also has a certain guiding function. It can help the vehicle maintain the correct driving trajectory and ensure the stability of the vehicle when turning. The structure of the leaf spring is simple, the manufacturing cost is relatively low, and it has good load-bearing capacity. Therefore, it is widely used in trucks, pickups and some economy cars. Due to its reliability and economy, the leaf spring suspension mechanism is still a practical and effective choice in many application scenarios.

[0003] The existing bracket connecting the top of the leaf spring load-bearing system to the chassis requires high strength. Therefore, it is necessary to strengthen the structure without increasing the cost as much as possible. At the same time, the bottom of the existing bracket is mostly a sharp corner, which is easy to hook foreign objects and affect the use safety. The existing brackets are mostly irregular in shape and lack a symmetrical structure for production, installation and maintenance. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a leaf spring suspension mechanism for vehicle load bearing to solve the problems in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A leaf spring suspension mechanism for vehicle load bearing includes a connecting device, and a supporting device is arranged at the top of the connecting device; the supporting device includes a front bracket, two first flanges are symmetrically arranged on both sides of the front bracket, a first fillet is arranged at the bottom of the first flange, two middle brackets are arranged behind the front bracket, two second flanges are symmetrically arranged on both sides of the middle bracket, two second fillets are symmetrically arranged at the bottom of the second flange, a rear bracket is arranged behind the middle bracket, and two third flanges are symmetrically arranged on both sides of the rear bracket, and a third fillet is arranged at the bottom of the third flange.

[0007] Further: The connecting device includes three horizontally arranged leaf spring groups, a connecting frame is fixedly arranged in the middle of the leaf spring groups, a connecting shaft frame is fixedly arranged at the bottom of the connecting frame, and a pull arm is rotatably arranged in front of the connecting frame.

[0008] Further: The front bracket, the middle bracket and the rear bracket are respectively hinged to the leaf spring groups.

[0009] Furthermore, the first flanging is a right trapezoid, the second flanging is square, and the bottom of the third flanging is an isosceles triangle.

[0010] Furthermore, the pulling arm is hinge-connected to the supporting device.

[0011] Furthermore, the connecting frame is bolt-connected to the leaf spring group.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The first flanging, the second flanging, and the third flanging are respectively arranged on the sides of the front bracket, the middle bracket, and the rear bracket. By setting these three continuously surrounding flangings, the supporting strength is improved without increasing the material cost, making the suspension mechanism have a stronger load-bearing capacity.

[0014] 2. The first fillet, the second fillet, and the third fillet are respectively arranged at the bottoms of the first flanging, the second flanging, and the third flanging. This setting can eliminate the sharp corners at the bottom of the supporting device, avoid hooking foreign objects at the bottom of the vehicle, and facilitate improving the driving safety of the vehicle.

[0015] 3. Both the middle bracket and the rear bracket are symmetric structures. This structure is easy to manufacture and can improve the convenience of installing and disassembling the device at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic structural diagram of a leaf spring suspension mechanism for vehicle load bearing according to the present utility model;

[0018] Figure 2 It is a right view of a leaf spring suspension mechanism for vehicle load bearing according to the present utility model;

[0019] Figure 3 It is a top view of a leaf spring suspension mechanism for vehicle load bearing according to the present utility model;

[0020] Figure 4 It is an enlarged view of part A of a leaf spring suspension mechanism for vehicle load bearing according to the present utility model;

[0021] Figure 5 It is an enlarged view of part B of a leaf spring suspension mechanism for vehicle load bearing according to the present utility model;

[0022] Figure 6 It is an enlarged view of the C position of a leaf spring suspension mechanism for vehicle load bearing described in the present utility model.

[0023] In the attached drawings: 1. Connecting device; 101. Leaf spring group; 102. Connecting frame; 103. Coupling bracket; 104. Pulling arm; 2. Supporting device; 201. Front bracket; 202. First flanging; 203. First fillet; 204. Middle bracket; 205. Second flanging; 206. Second fillet; 207. Rear bracket; 208. Third flanging; 209. Third fillet. Detailed implementation manners

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-6, a leaf spring suspension mechanism for vehicle load bearing, including a connecting device 1, and a supporting device 2 is arranged at the top of the connecting device 1.

[0028] In this embodiment: The connecting device 1 includes three horizontally arranged leaf spring groups 101. A connecting frame 102 is fixedly arranged in the middle of the leaf spring groups 101. A connecting shaft frame 103 is fixedly arranged at the bottom of the connecting frame 102. A pulling arm 104 is rotatably arranged in front of the connecting frame 102. The pulling arm 104 is hinged to the supporting device 2. The connecting frame 102 is bolted to the leaf spring groups 101. During installation, the vehicle axle is installed in the connecting shaft frame 103. When the tire bumps during vehicle driving, the vibration is transmitted along the axle to the connecting shaft frame 103, and then reaches the leaf spring groups 101 through the connecting frame 102. The leaf spring groups 101 and the pulling arm 104 cooperate to reduce vibration and prevent the vehicle body connected to the supporting device 2 from shaking up and down;

[0029] In this embodiment: The supporting device 2 includes a front bracket 201. Two first flanges 202 are symmetrically arranged on both sides of the front bracket 201. A first rounded corner 203 is arranged at the bottom of the first flange 202. Two middle brackets 204 are arranged behind the front bracket 201. Two second flanges 205 are symmetrically arranged on both sides of the middle brackets 204. Two second rounded corners 206 are symmetrically arranged at the bottom of the second flanges 205. A rear bracket 207 is arranged behind the middle brackets 204. Two third flanges 208 are symmetrically arranged on both sides of the rear bracket 207. A third rounded corner 209 is arranged at the bottom of the third flange 208. The front bracket 201, the middle brackets 204 and the rear bracket 207 are respectively hinged to the leaf spring groups 101. The first flange 202 is a right trapezoid, the second flange 205 is a square, and the bottom of the third flange 208 is an isosceles triangle. The vehicle chassis is installed on the tops of the front bracket 201, the middle brackets 204 and the rear bracket 207. The first flange 202, the second flange 205 and the third flange 208 are respectively arranged on the sides of the front bracket 201, the middle brackets 204 and the rear bracket 207. By setting these continuously surrounded flanges on three sides, the supporting strength is improved without increasing the material cost, making the suspension mechanism have a stronger load-bearing capacity. The first rounded corner 203, the second rounded corner 206 and the third rounded corner 209 are respectively arranged at the bottoms of the first flange 202, the second flange 205 and the third flange 208. This setting can eliminate the sharp corners at the bottom of the supporting device 2, avoid hooking foreign objects at the bottom of the vehicle, and facilitate improving the driving safety of the vehicle. The middle brackets 204 and the rear bracket 207 are both symmetric structures. This structure is easy to manufacture and can improve the convenience of device installation and disassembly at the same time.

[0030] Working principle: During installation, the vehicle axle is installed within the coupling frame 103, and the vehicle chassis is installed on the tops of the front support 201, the middle support 204, and the rear support 207. When the tires jolt during vehicle travel, vibrations are transmitted along the axle to the coupling frame 103, and then reach the leaf spring group 101 through the connecting frame 102. The leaf spring group 101 and the pull arm 104 cooperate to reduce vibrations and prevent the vehicle body connected to the support device 2 from jolting up and down. First flanges 202, second flanges 205, and third flanges 208 are respectively provided on the sides of the front support 201, the middle support 204, and the rear support 207. By setting these continuously surrounding flanges on three sides, the support strength is increased without increasing the material cost, making the suspension mechanism have a stronger load-bearing capacity. First rounded corners 203, second rounded corners 206, and third rounded corners 209 are respectively provided at the bottoms of the first flanges 202, the second flanges 205, and the third flanges 208. This setting can eliminate the sharp corners at the bottom of the support device 2, avoid the vehicle bottom from snagging foreign objects, and facilitate improving the driving safety of the vehicle. Both the middle support 204 and the rear support 207 are symmetric structures, which are easy to manufacture and can improve the convenience during installation and disassembly of the device at the same time.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leaf spring suspension mechanism for vehicle load bearing, comprising a connecting device (1), characterized in that: A supporting device (2) is provided on the top of the connecting device (1); The support device (2) comprises a front bracket (201), two first flanges (202) are symmetrically arranged on both sides of the front bracket (201), and a first rounded corner (203) is arranged at the bottom of the first flange (202); two middle brackets (204) are arranged behind the front bracket (201), two second flanges (205) are symmetrically arranged on both sides of the middle bracket (204), and two second rounded corners (206) are symmetrically arranged at the bottom of the second flange (205); a rear bracket (207) is arranged behind the middle bracket (204), two third flanges (208) are symmetrically arranged on both sides of the rear bracket (207), and a third rounded corner (209) is arranged at the bottom of the third flange (208).

2. A vehicle load-bearing leaf spring suspension mechanism according to claim 1, characterized in that: The connecting device (1) comprises three horizontally arranged leaf spring groups (101), a connecting frame (102) is fixedly arranged in the middle of the leaf spring group (101), a coupling frame (103) is fixedly arranged at the bottom of the connecting frame (102), and a pulling arm (104) is rotatably arranged in front of the connecting frame (102).

3. A vehicle load-bearing leaf spring suspension mechanism according to claim 2, characterized in that: The front bracket (201), the middle bracket (204) and the rear bracket (207) are respectively hingedly connected to the leaf spring group (101).

4. A vehicle load-bearing leaf spring suspension mechanism according to claim 1, characterized in that: The first flange (202) is a right-angled trapezoid, the second flange (205) is a square, and the bottom of the third flange (208) is an isosceles triangle.

5. A vehicle load-bearing leaf spring suspension mechanism according to claim 2, characterized in that: The pulling arm (104) is hingedly connected to the supporting device (2).

6. A vehicle load-bearing leaf spring suspension mechanism according to claim 2, characterized in that: The connection frame (102) is bolted to the leaf spring assembly (101).

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