Macpherson front suspension structure

Abstract

The utility model discloses a Macpherson front suspension structure, which belongs to the technical field of automobile chassis platforms and comprises a steering gear assembly, a shock absorber assembly, a tire assembly, a lower swing arm assembly, a front axle adapter welding component and a drum brake assembly. By means of the mode, the shock absorber assembly and the drum brake assembly are compact in structure in the width direction, small in occupied space and capable of being suitable for a front McPherson suspension of a width-limited vehicle, the shock absorber assembly and a ball pin of the lower swing arm assembly are located on the same line, the center line of a suspension main pin coincides with the rotation center line of the shock absorber assembly, and therefore the shock absorber assembly and the drum brake assembly are not prone to deformation. The resistance moment received by the shock absorber assembly in the rotating process is reduced, the service life of the shock absorber assembly is prolonged, the outer diameter of the drum brake assembly is smaller than that of a disc brake, and the drum brake assembly can be more suitable for small vehicles.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile chassis platforms, in particular to a MacPherson front suspension structure. Background Art

[0002] McPherson suspension is a common automobile suspension system. This suspension system includes shock absorbers, springs and lateral stabilizer bars, which can effectively reduce the bumps and vibrations of the vehicle during driving and improve driving stability and comfort. McPherson suspension is widely used in various car brands and models and is a mature and reliable suspension system.

[0003] The existing McPherson suspensions are all shock absorbers with disc brake corner unit assemblies. Due to the requirements of the kingpin inclination angle, the ball head of the lower control arm must be far away from the upper support assembly of the shock absorber, resulting in a large space occupied in the width direction and cannot be used for tires with smaller rim diameters.

[0004] Based on this, the utility model designs a MacPherson front suspension structure to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a MacPherson front suspension structure.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A MacPherson front suspension structure;

[0008] The vehicle comprises a steering gear assembly, a shock absorber assembly, a tire assembly, a lower swing arm assembly, a front axle adapter welding assembly and a drum brake assembly. The steering gear assembly is used to control the steering direction of the vehicle, the lower swing arm assembly is used to support and position the tire assembly, the front axle adapter welding assembly is used to connect the steering gear assembly, the shock absorber assembly, the lower swing arm assembly and the drum brake assembly, the steering gear assembly is connected to the steering column of the vehicle body, the upper ends of the shock absorber assemblies at the left and right ends are detachably connected to the lower vehicle body through bushings, the lower end of the shock absorber assembly is connected to the front axle adapter welding assembly, the outer end of the front axle adapter welding assembly is connected to the drum brake assembly, the tire assembly is assembled to the drum brake assembly, and the lower end of the front axle adapter welding assembly is connected to the lower swing arm assembly.

[0009] Furthermore, the axis center line of the shock absorber assembly is on the same line as the axis center line of the ball pin of the lower swing arm assembly.

[0010] Furthermore, the front axle adapter welding assembly includes a steering knuckle arm, a connecting bolt ear, an adapter sleeve, a wheel hub connecting plate, a circular stopper, a first bolt, a second bolt, a connecting hole and a ball head connector.

[0011] Furthermore, the upper end of the adapter sleeve is fixedly connected to the steering knuckle arm, the front end of the steering knuckle arm is provided with a connecting hole, the lower end of the ball head connector is embedded in the connecting hole and fixedly connected to the connecting hole, the left and right ball head connectors are respectively fixedly connected to the left and right ends of the steering gear assembly, the inner end of the adapter sleeve is fixedly connected to a connecting bolt ear, the outer end of the adapter sleeve is fixedly connected to a wheel hub connecting plate, and the outer end of the wheel hub connecting plate is fixedly connected to a circular stop.

[0012] Furthermore, the shock absorber assembly and the adapter sleeve are locked and connected by the cooperation of the second bolt and the connecting bolt ear.

[0013] Furthermore, the ball pin at the outer end of the lower swing arm assembly is embedded in the lower end opening of the adapter sleeve and is locked by two locking nuts.

[0014] Furthermore, the wheel hub connecting plate is fixedly connected to the drum brake assembly.

[0015] Furthermore, the circular stop is embedded in the clevis groove of the drum brake assembly, and the wheel hub connecting plate is fixedly connected to the drum brake assembly by a plurality of first bolts.

[0016] The utility model has the following technical effects:

[0017] When the utility model is connected, the ball pin at the outer end of the lower swing arm assembly is inserted into the opening at the lower end of the adapter sleeve, and the locking connection between the lower swing arm assembly and the adapter sleeve is realized by two locking nuts, the lower end of the shock absorber assembly is inserted into the opening at the upper end of the adapter sleeve, the second bolt is inserted into the round hole on the connecting bolt ear, and the nuts are locked to realize the fixation of the shock absorber assembly and the adapter sleeve, and then the circular stopper at the outer end of the wheel hub connecting plate is embedded in the horn groove of the drum brake assembly, and then the adapter sleeve and the drum brake assembly are fixed by multiple first bolts, and the tire assembly is transferred to the drum brake assembly to complete the connection;

[0018] The shock absorber assembly and the drum brake assembly of the utility model have a compact structure in the width direction and occupy a small space, and can be applied to the front McPherson suspension of vehicles with limited width. The ball pins of the shock absorber assembly and the lower swing arm assembly are on the same line, and the center line of the suspension kingpin coincides with the rotation center line of the shock absorber assembly, which reduces the resistance torque received by the shock absorber assembly during rotation, and is beneficial to prolonging the life of the shock absorber assembly. The drum brake assembly has a smaller outer diameter than the disc brake and is more suitable for small vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A three-dimensional MacPherson front suspension structure of the utility model Figure 1 ;

[0021] Figure 2 It is a front view of a MacPherson front suspension structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the assembly structure of a shock absorber assembly, a lower swing arm assembly and a front axle adapter welding component of a MacPherson front suspension structure of the utility model;

[0023] Figure 4 A three-dimensional welding assembly of a front axle adapter of a MacPherson front suspension structure according to the utility model Figure 1 ;

[0024] Figure 5 It is a schematic diagram of the assembly structure of a front axle adapter welding component and a drum brake assembly of a MacPherson front suspension structure of the utility model;

[0025] Figure 6 for Figure 5 A cross-sectional view of

[0026] The numbers in the figure represent:

[0027] 1. Steering gear assembly; 2. Shock absorber assembly; 3. Tire assembly; 4. Lower arm assembly; 5. Front axle adapter welding assembly; 51. Steering knuckle arm; 52. Connecting bolt ear; 53. Adapter sleeve; 54. Wheel hub connecting plate; 55. Round stopper; 56. First bolt; 57. Second bolt; 58. Connecting hole; 59. Ball head connector; 6. Drum brake assembly. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0029] The utility model is further described below in conjunction with embodiments.

[0030] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0031] In some embodiments, please refer to the attached instructions. Figure 1-6 , a MacPherson front suspension structure;

[0032] The steering gear assembly 1 includes a shock absorber assembly 2, a tire assembly 3, a lower swing arm assembly 4, a front axle adapter welding assembly 5 and a drum brake assembly 6. The steering gear assembly 1 is used to control the steering direction of the vehicle, the lower swing arm assembly 4 is used to support and position the tire assembly 3, and the front axle adapter welding assembly 5 is used to connect the steering gear assembly 1, the shock absorber assembly 2, the lower swing arm assembly 4 and the drum brake assembly 6. The steering gear assembly 1 is connected to a steering column (not shown) of a vehicle body, the upper ends of the shock absorber assemblies 2 at the left and right ends are detachably connected to the lower vehicle body through bushings, the lower ends of the shock absorber assembly 2 are connected to the front axle adapter welding assembly 5, the outer end of the front axle adapter welding assembly 5 is connected to the drum brake assembly 6, the tire assembly 3 is assembled to the drum brake assembly 6, and the lower end of the front axle adapter welding assembly 5 is connected to the lower swing arm assembly 4.

[0033] The axis center line of the shock absorber assembly 2 is on the same line as the axis center line of the ball pin of the lower swing arm assembly 4.

[0034] The front axle adapter welding assembly 5 includes a steering knuckle arm 51 , a connecting bolt ear 52 , an adapter sleeve 53 , a hub connecting plate 54 , a circular stop 55 , a first bolt 56 , a second bolt 57 , a connecting hole 58 and a ball head connector 59 .

[0035] The upper end of the adapter sleeve 53 is fixedly connected to the steering knuckle arm 51, and a connecting hole 58 is opened at the front end of the steering knuckle arm 51. The lower end of the ball head connector 59 is embedded in the connecting hole 58 and fixedly connected to the connecting hole 58. The ball head connectors 59 on the left and right sides are respectively fixedly connected to the left and right ends of the steering gear assembly 1. The inner end of the adapter sleeve 53 is fixedly connected to the connecting bolt ear 52, and the outer end of the adapter sleeve 53 is fixedly connected to the wheel hub connecting plate 54, and the outer end of the wheel hub connecting plate 54 is fixedly connected to the circular stop 55.

[0036] The shock absorber assembly 2 and the adapter sleeve 53 are locked and connected by the cooperation of the second bolt 57 and the connecting bolt ear 52 .

[0037] The ball pin at the outer end of the lower swing arm assembly 4 is embedded in the lower end opening of the adapter sleeve 53 and is locked by two locking nuts.

[0038] The wheel hub connecting plate 54 is fixedly connected to the drum brake assembly 6 .

[0039] The circular stop 55 is embedded in the clevis groove of the drum brake assembly 6 , and the wheel hub connecting plate 54 is fixedly connected to the drum brake assembly 6 by a plurality of first bolts 56 .

[0040] When connecting, insert the ball pin at the outer end of the lower swing arm assembly 4 into the lower end opening of the adapter sleeve 53, and realize the locking connection between the lower swing arm assembly 4 and the adapter sleeve 53 through two locking nuts, insert the lower end of the shock absorber assembly 2 into the opening at the upper end of the adapter sleeve 53, insert the second bolt 57 into the circular hole on the connecting bolt ear 52, and lock it with the nut to realize the fixation of the shock absorber assembly 2 and the adapter sleeve 53, then embed the circular stop 55 at the outer end of the wheel hub connecting plate 54 into the horn groove of the drum brake assembly 6, and then realize the fixation of the adapter sleeve 53 and the drum brake assembly 6 through multiple first bolts 56, and transfer the tire assembly 3 to the drum brake assembly 6 to complete the connection;

[0041] The shock absorber assembly 2 and the drum brake assembly 6 of the utility model have a compact structure in the width direction and occupy a small space, and can be applied to the front McPherson suspension of vehicles with limited width. The ball pins of the shock absorber assembly 2 and the lower swing arm assembly 4 are on the same line, and the center line of the suspension kingpin coincides with the rotation center line of the shock absorber assembly 2, which reduces the resistance torque received by the shock absorber assembly 2 during rotation, which is beneficial to prolonging the life of the shock absorber assembly 2. The drum brake assembly 6 has a smaller outer diameter than the disc brake and is more suitable for small vehicles.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A MacPherson front suspension structure, characterized in that: The invention comprises a steering gear assembly (1), a shock absorber assembly (2), a tire assembly (3), a lower swing arm assembly (4), a front axle adapter welding assembly (5) and a drum brake assembly (6), wherein the steering gear assembly (1) is used to control the steering direction of the vehicle, the lower swing arm assembly (4) is used to support and position the tire assembly (3), and the front axle adapter welding assembly (5) is used to connect the steering gear assembly (1), the shock absorber assembly (2), the lower swing arm assembly (4) and the drum brake assembly The steering gear assembly (1) is connected to the steering column of the vehicle body, the upper ends of the shock absorber assemblies (2) at the left and right ends are detachably connected to the lower vehicle body through bushings, the lower ends of the shock absorber assemblies (2) are connected to the front axle adapter welding assembly (5), the outer end of the front axle adapter welding assembly (5) is connected to the drum brake assembly (6), the tire assembly (3) is assembled to the drum brake assembly (6), and the lower end of the front axle adapter welding assembly (5) is connected to the lower swing arm assembly (4); The axis center line of the shock absorber assembly (2) and the axis center line of the ball pin of the lower swing arm assembly (4) are on the same line; The front axle adapter welding assembly (5) comprises a steering knuckle arm (51), a connecting bolt ear (52), an adapter sleeve (53), a wheel hub connecting plate (54), a circular stopper (55), a first bolt (56), a second bolt (57), a connecting hole (58) and a ball head connecting piece (59); The upper end of the adapter sleeve (53) is fixedly connected to the steering knuckle arm (51), the front end of the steering knuckle arm (51) is provided with a connecting hole (58), the lower end of the ball head connecting piece (59) is embedded in the connecting hole (58) and fixedly connected to the connecting hole (58), the left and right ball head connecting pieces (59) are respectively fixedly connected to the left and right ends of the steering gear assembly (1), the inner end of the adapter sleeve (53) is fixedly connected to a connecting bolt ear (52), the outer end of the adapter sleeve (53) is fixedly connected to a wheel hub connecting plate (54), and the outer end of the wheel hub connecting plate (54) is fixedly connected to a circular stopper (55); The shock absorber assembly (2) and the adapter sleeve (53) are locked and connected by means of a second bolt (57) and a connecting bolt ear (52).

2. The McPherson front suspension structure according to claim 1, characterized in that: The ball pin at the outer end of the lower swing arm assembly (4) is embedded in the lower end opening of the adapter sleeve (53) and is locked by two locking nuts.

3. The McPherson front suspension structure according to claim 2, characterized in that: The wheel hub connecting plate (54) is fixedly connected to the drum brake assembly (6).

4. The McPherson front suspension structure according to claim 3, characterized in that: The circular stop (55) is embedded in the clevis groove of the drum brake assembly (6), and the wheel hub connecting plate (54) and the drum brake assembly (6) are fixedly connected via a plurality of first bolts (56).

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