Damping swing avoiding mechanism of all terrain vehicle

Abstract

The damping swing avoiding mechanism comprises a wheel set connecting body, an upper swing arm piece, a lower swing arm piece, a wheel connecting piece and a damping assembly. The left side and the right side of the wheel set connecting body are movably connected with an upper swing arm piece and a lower swing arm piece correspondingly. Wheel connecting pieces are movably connected to the ends, away from the wheel group connecting bodies, of the upper swing arm pieces and the lower swing arm pieces; a damping assembly is movably connected between the wheel set connecting body and the lower swing arm piece. The damping swing avoiding mechanism of the dune buggy adopts a double-swing-arm-piece connecting structure, when wheels are impacted by the road surface, the upper swing arm piece and the lower swing arm piece rotate around the connecting pin shaft, a stable movement track is formed through the synergistic effect of the upper swing arm piece and the lower swing arm piece, dynamic adjustment stability control over the buggy body under the complex road condition is achieved, and the defect that a rigid connecting structure is adopted in the prior art is overcome. The damping assembly is directly connected with the wheel set connecting body and the lower swing arm piece, vertical and inclined impact force is effectively absorbed, the stability of the vehicle body is further improved, and the risk of vehicle body rolling is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of ATV suspension systems, and particularly to a shock-absorbing swing-avoiding mechanism for an ATV. Background Art

[0002] Currently, the conventional ATV suspension systems mainly have the following technical defects: 1. Limitations of the single swing arm structure: The traditional single swing arm design is prone to stress concentration on rough roads, resulting in fatigue fracture of the connecting parts, and causing severe body jolts, making it difficult to maintain stable driving.

[0003] 2. Insufficient shock-absorbing efficiency: Existing shock absorbers mostly adopt a unidirectional force design, with poor absorption effect on inclined impact forces, and the body roll angle often exceeds the safety threshold.

[0004] 3. Inconvenient maintenance: The integral connection structure requires the entire suspension system to be disassembled for replacing the shock-absorbing components, and the average maintenance time reaches 2 - 3 hours.

[0005] Therefore, the technical personnel in this field have proposed a shock-absorbing swing-avoiding mechanism for an ATV. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the present invention provides a shock-absorbing swing-avoiding mechanism for an ATV, which adopts a double swing arm connection structure to form a stable motion trajectory and realizes the dynamic adjustment stability control of the vehicle body under complex road conditions.

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: A shock-absorbing swing-avoiding mechanism for an ATV, comprising a wheel group connection body, an upper swing arm member, a lower swing arm member, a wheel connection member, and a shock-absorbing component; the left and right sides of the wheel group connection body are respectively movably connected with the upper swing arm member and the lower swing arm member; the ends of the upper swing arm member and the lower swing arm member away from the wheel group connection body are movably connected with the wheel connection member; and a shock-absorbing component is movably connected between the wheel group connection body and the lower swing arm member.

[0008] Further, the wheel group connection body is provided with a first mounting groove, and fixing holes are provided on the opposite inner side surfaces of the first mounting groove. A first through hole corresponding to the fixing holes is provided at the first end of the upper swing arm member and the lower swing arm member connected to the wheel group connection body, and a connecting pin shaft is inserted through the fixing holes and the first through hole.

[0009] Further, fixing holes are provided on the upper and lower side surfaces of the wheel connection member. A second through hole corresponding to the fixing holes is provided at the second end of the upper swing arm member and the lower swing arm member connected to the wheel connection member, and a connecting pin shaft is inserted through the second through hole and the fixing holes.

[0010] Further, the shock absorption assembly is a spring shock absorption assembly, including a rod body and a compression spring; both ends of the rod body are provided with connecting parts with through holes three, and the compression spring is sleeved outside the rod body, and its two ends respectively abut against the flanges of the rod body.

[0011] Further, the wheel set connector is provided with a second installation groove, and fixing holes two corresponding to the through holes three are provided on the opposite inner side surfaces of the second installation groove, and connecting pin shafts are passed through the fixing holes two and the through holes three.

[0012] Further, the lower swing arm part is provided with a third installation groove, and fixing holes three corresponding to the through holes three are provided on the opposite inner side surfaces of the third installation groove, and connecting pin shafts are passed through the fixing holes three and the through holes three.

[0013] Compared with the prior art, the following beneficial effects are achieved: A beach vehicle shock absorption and swing avoidance mechanism is provided, including a wheel set connector, an upper swing arm part, a lower swing arm part, a wheel connector, and a shock absorption assembly; the left side and the right side of the wheel set connector are respectively movably connected with an upper swing arm part and a lower swing arm part; the ends of the upper swing arm part and the lower swing arm part far away from the wheel set connector are movably connected with a wheel connector; a shock absorption assembly is movably connected between the wheel set connector and the lower swing arm part. The beach vehicle shock absorption and swing avoidance mechanism of the present invention adopts a double swing arm part connection structure. When the wheel is impacted by the road surface, the upper and lower swing arm parts rotate around the connecting pin shaft, and a stable movement track is formed through the cooperation of the upper swing arm part and the lower swing arm part, realizing the dynamic adjustment stability control of the vehicle body under complex road conditions and overcoming the rigid connection structure of the prior art. The shock absorption assembly is directly connected between the wheel set connector and the lower swing arm part, effectively absorbing the vertical and inclined impact forces, further improving the vehicle body stability and reducing the risk of vehicle body rollover. Description of the Drawings

[0014] Figure 1 Is a three-dimensional structure diagram of the beach vehicle shock absorption and swing avoidance mechanism; Figure 2 Is a rear view structure diagram of the beach vehicle shock absorption and swing avoidance mechanism; Figure 3 Is a structure diagram of the wheel set connector; Figure 4 Is a structure diagram of the upper and lower swing arm parts; Figure 5 Is a structure diagram of the wheel connector; Figure 6 Is a structure diagram of the shock absorption assembly.

[0015] In the figure: 1, wheel assembly connector; 2A, upper swing arm member; 2B, lower swing arm member; 3, wheel connector; 4, shock absorber assembly; 5, connecting shaft; 10, mounting slot 1; 11, mounting slot 2; 20, through hole 1; 21, through hole 2; 22, mounting slot 3; 40, rod body; 41, compression spring; 100, fixing hole 1; 110, fixing hole 2; 220, fixing hole 3; 400, connecting part; 401, through hole 3; 402, flange. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figures 1-6 The present invention provides a technical solution: a beach vehicle shock-absorbing and swing-avoiding mechanism, comprising a wheel group connector 1, an upper swing arm 2A, a lower swing arm 2B, a wheel connector 3, and a shock-absorbing assembly 4; the left and right sides of the wheel group connector 1 are respectively movably connected with the upper swing arm 2A and the lower swing arm 2B; the ends of the upper swing arm 2A and the lower swing arm 2B away from the wheel group connector 1 are movably connected with the wheel connector 3; the shock-absorbing assembly 4 is movably connected between the wheel group connector 1 and the lower swing arm 2B; the wheel is connected to the wheel connector 3 through a connecting shaft 5. The beach vehicle shock-absorbing and swing-avoiding mechanism adopts a double swing arm connection structure, and forms a stable motion trajectory through the synergistic effect of the upper swing arm 2A and the lower swing arm 2B, so as to realize the dynamic adjustment stability control of the vehicle body under complex road conditions, and overcome the rigid connection structure adopted in the prior art. The shock-absorbing assembly 4 is directly connected to the wheel group connector 1 and the lower swing arm 2B, effectively absorbing vertical and tilting impact forces, further improving the stability of the vehicle body and reducing the risk of vehicle body roll.

[0018] See also Figures 3-4 The wheel assembly connector 1 is provided with a mounting groove 10, and a fixing hole 100 is provided on the inner side surface opposite to the mounting groove 10. The first end portions of the upper swing arm 2A and the lower swing arm 2B connected to the wheel assembly connector 1 are provided with a through hole 20 corresponding to the fixing hole 100, and the fixing hole 100 and the through hole 20 are penetrated by connecting pins. Through the coordinated design of the connecting pins, the mounting groove 10 and the fixing hole 100, an active connection point for rotational connection between the upper and lower swing arm members and the wheel assembly connector 1 is formed, and the active connection point disperses stress, reduces the shaking of the vehicle body under bumpy road conditions, and improves the dynamic stability under complex road conditions. It should be noted that after the connecting pin passes through the fixing hole 100 and the through hole 20 in sequence, a nut is provided at the end of the connecting pin to prevent the swing arm member; the same structure in the following content is provided with a nut.

[0019] Please refer to Figures 4-5 As shown in the figure, fixing holes two 30 are provided on the upper and lower side surfaces of the wheel connecting member 3. Through holes two 21 corresponding to the fixing holes two 30 are provided at the second end portions of the upper swing arm member 2A and the lower swing arm member 2B connected to the wheel connecting member 3. A connecting pin shaft is passed through between the through holes two 21 and the fixing holes two 30. Through the cooperative design of the connecting pin shaft, the fixing holes two 30 and the through holes two 21, a movable connection point for the upper and lower swing arm members to be rotatably connected to the wheel connecting member 3 is formed. The movable connection point disperses stress, reduces the shaking of the vehicle body under bumpy road conditions, and improves the dynamic stability under complex road conditions.

[0020] Please refer to Figure 6 As shown in the figure, the shock absorption assembly 4 is a spring shock absorption assembly, including a rod body 40 and a compression spring 41; connection portions 400 with through holes three 401 are provided at both ends of the rod body 40. The compression spring 41 is sleeved outside the rod body, and its two ends respectively abut against the flanges 402 of the rod body. The shock absorption assembly 4 is directly connected to the wheel set connecting body 1 and the lower swing arm member 2B, effectively absorbing vertical and inclined impact forces, further improving the vehicle body stability and reducing the risk of vehicle body roll.

[0021] Please refer to Figures 3-4 and Figure 6 As shown in the figure, the wheel set connecting body 1 is provided with an installation groove two 11. Fixing holes two 110 corresponding to the through holes three 401 are provided on the opposite inner side surfaces of the installation groove two 11. A connecting pin shaft is passed through between the fixing holes two 110 and the through holes three 401. Through the cooperative design of the connecting pin shaft, the fixing holes two 110 and the through holes three 401, a movable connection point for the rod body 40 to be rotatably connected to the wheel set connecting body 1 is formed. The lower swing arm member 2B is provided with an installation groove three 22. Fixing holes three 220 corresponding to the through holes three 401 are provided on the opposite inner side surfaces of the installation groove three 22. A connecting pin shaft is passed through between the fixing holes three 220 and the through holes three 401. Through the design of the connecting pin shaft, the fixing holes three 220 and the through holes three 401, a movable connection point for the rod body 40 to be rotatably connected to the lower swing arm member 2B is formed. Since the rod body 40 forms movable connection points with both the wheel set connecting body 1 and the wheel connecting member 3, synchronous absorption of vertical / inclined impact forces is achieved; and it allows for quick disassembly and assembly of the shock absorption assembly 4 with the lower swing arm member 2B and the wheel set connecting body 1, facilitating maintenance or replacement of components.

[0022] The shock-absorbing swing-avoiding mechanism of this all-terrain vehicle adopts a double swing-arm connection structure. When the wheel is impacted by the road surface, the upper and lower swing-arm components rotate around the connecting pin shaft. Through the coordinated action of the upper swing-arm component 2A and the lower swing-arm component 2B, a stable motion trajectory is formed to achieve the stability control of the vehicle body dynamic adjustment under complex road conditions, overcoming the rigid connection structure adopted in the prior art. The shock-absorbing component 4 is directly connected to the wheel group connecting body 1 and the lower swing-arm component 2B, effectively absorbing vertical and inclined impact forces, further improving the vehicle body stability and reducing the risk of vehicle body roll. The shock-absorbing component 4 is directly connected to the wheel group connecting body 1 and the lower swing-arm component 2B, effectively absorbing vertical and inclined impact forces, further improving the vehicle body stability and reducing the risk of vehicle body roll.

Claims

1. A shock-absorbing and swing-avoiding mechanism for a beach vehicle, characterized in that, It includes a wheel set connector (1), an upper swing arm member (2A), a lower swing arm member (2B), a wheel connector (3), and a shock absorption assembly (4); the left and right sides of the wheel set connector (1) are respectively movably connected to the upper swing arm member (2A) and the lower swing arm member (2B); the ends of the upper swing arm member (2A) and the lower swing arm member (2B) away from the wheel set connector (1) are movably connected to the wheel connector (3); a shock absorption assembly (4) is movably connected between the wheel set connector (1) and the lower swing arm member (2B).

2. The shock-absorbing swing-avoiding mechanism of the ATV according to claim 1, characterized in that, The wheel set connector (1) is provided with a first mounting groove (10), and fixing holes one (100) are provided on the opposite inner side surfaces of the first mounting groove (10). The first ends of the upper swing arm member (2A) and the lower swing arm member (2B) connected to the wheel set connector (1) are provided with through holes one (20) corresponding to the fixing holes one (100), and a connecting pin shaft is passed through the fixing holes one (100) and the through holes one (20).

3. The beach buggy shock absorption and swing avoidance mechanism according to claim 1 or 2, characterized in that, Fixing holes two (30) are provided on the upper and lower side surfaces of the wheel connector (3). The second ends of the upper swing arm member (2A) and the lower swing arm member (2B) connected to the wheel connector (3) are provided with through holes two (21) corresponding to the fixing holes two (30), and a connecting pin shaft is passed through the through holes two (21) and the fixing holes two (30).

4. The shock-absorbing swing-avoiding mechanism of the ATV according to claim 1, characterized in that, The shock absorption assembly (4) is a spring shock absorption assembly, including a rod body (40) and a compression spring (41); connecting portions (400) with through holes three (401) are provided at both ends of the rod body (40), the compression spring (41) is sleeved outside the rod body, and its two ends respectively abut against the flanges (402) of the rod body.

5. The shock absorber swing avoidance mechanism of the ATV according to claim 4, characterized in that, The wheel set connector (1) is provided with a second mounting groove (11), and fixing holes two (110) corresponding to the through holes three (401) are provided on the opposite inner side surfaces of the second mounting groove (11), and a connecting pin shaft is passed through the fixing holes two (110) and the through holes three (401).

6. The shock-absorbing swing-avoiding mechanism of the ATV according to claim 4, characterized in that, The lower swing arm member is provided with a third mounting groove (22), and fixing holes three (220) corresponding to the through holes three (401) are provided on the opposite inner side surfaces of the third mounting groove (22), and a connecting pin shaft is passed through the fixing holes three (220) and the through holes three (401).

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