Suspension control arm structure, suspension structure and all-terrain vehicle

Abstract

The utility model provides a suspension control arm structure, a suspension structure and an all-terrain vehicle, the suspension control arm structure comprises a ball pin mounting seat, a first control arm, a second control arm and a shock absorber mounting frame, and the first control arm is connected with the ball pin mounting seat; the second control arm is connected with the ball pin mounting seat; the shock absorber mounting frame is arranged on the ball pin mounting base and used for being connected with a shock absorber. Wherein the shock absorber mounting frame and the ball pin mounting seat are integrally formed parts. According to the suspension control arm structure, the technical problem that an existing control arm structure is low in production cost and production efficiency can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to all terrain vehicle technical field, concretely relates to a suspension control arm structure, suspension structure and all terrain vehicle. BACKGROUND

[0002] In the field of vehicle engineering, especially in the chassis system design of all terrain vehicle, the design of suspension system is a crucial link. Suspension system directly affects the driving stability, comfort and safety of the vehicle. When the front suspension of the vehicle adopts double wishbone independent suspension structure, the control arm and the steering knuckle of the suspension are usually connected through a ball pin component. At the same time, the control arm also needs to be connected with the lower mounting point of the shock absorber, so as to transmit force and torque to the vehicle body through the shock absorber.

[0003] In the prior art, the lower mounting point of the shock absorber is usually fixed on the control arm by welding sheet metal parts to realize the connection of the control arm and the shock absorber. Since the forming of sheet metal parts needs to add additional stamping die and forming die, it leads to higher product development cost in the early stage, and the welding connection of sheet metal parts and control arm also increases the additional assembly process cost, which further leads to the reduction of production cost and production efficiency of control arm. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model provides a suspension control arm structure, a suspension structure and an all terrain vehicle to improve the technical problem of low production cost and production efficiency of the existing suspension control arm structure.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a suspension control arm structure in the first aspect, which comprises: a ball pin mounting seat, a first connecting arm, a second connecting arm and a shock absorber mounting rack, the first connecting arm is connected with the ball pin mounting seat; the second connecting arm is connected with the ball pin mounting seat; the shock absorber mounting rack is arranged on the ball pin mounting seat and used for connecting the shock absorber; wherein the shock absorber mounting rack and the ball pin mounting seat are an integral forming part.

[0006] In an embodiment of the utility model, the shock absorber mounting rack is provided with a first pin hole matched with the pin shaft of the shock absorber, the ball pin mounting seat is provided with a second pin hole matched with the ball pin, and the first pin hole and the second pin hole are arranged vertically.

[0007] In an embodiment of the utility model, the shock absorber mounting rack comprises a first mounting rack and a second mounting rack, and the lower mounting part of the shock absorber is rotatably arranged between the first mounting rack and the second mounting rack.

[0008] In an embodiment of the utility model, the shock absorber mounting rack is arranged on the side of the ball pin mounting seat facing the shock absorber.

[0009] In an embodiment of the utility model, the side of the ball pin mounting seat away from the shock absorber is provided with reinforcing ribs.

[0010] In an embodiment of the utility model, the side of the ball pin mounting seat toward the shock absorber comprises a recess, the shock absorber mounting rack comprises a first mounting rack and a second mounting rack, and the first mounting rack and the second mounting rack are respectively arranged on the opposite two side walls of the recess.

[0011] In an embodiment of the utility model, the bottom wall of the recess is provided with weight reduction holes.

[0012] In an embodiment of the utility model, the ball pin mounting seat is positioned and connected with the first connecting arm and the second connecting arm through positioning structures.

[0013] In an embodiment of the utility model, the positioning structures comprise a first protrusion and a second protrusion arranged on the ball pin mounting seat, and a first positioning slot arranged on the first connecting arm and a second positioning slot arranged on the second connecting arm, the first protrusion is inserted and positioned in the first positioning slot, and the second protrusion is inserted and positioned in the second positioning slot.

[0014] The utility model also provides a suspension structure in the second aspect, the suspension structure comprises a suspension control arm structure and a shock absorber, the shock absorber is connected with the suspension control arm structure, the suspension control arm structure comprises: a ball pin mounting seat, a first connecting arm, a second connecting arm and a shock absorber mounting rack, the first connecting arm is connected with the ball pin mounting seat;The second connecting arm is connected with the ball pin mounting seat;The shock absorber mounting rack is arranged on the ball pin mounting seat and is used for connecting the shock absorber;Wherein, the shock absorber mounting rack and the ball pin mounting seat are integrally formed.

[0015] The utility model also provides an all terrain vehicle in the third aspect, the all terrain vehicle comprises: a vehicle body and a suspension structure installed on the vehicle body;The suspension structure comprises a suspension control arm structure and a shock absorber, the shock absorber is connected with the suspension control arm structure, the suspension control arm structure comprises: a ball pin mounting seat, a first connecting arm, a second connecting arm and a shock absorber mounting rack, the first connecting arm is connected with the ball pin mounting seat;The second connecting arm is connected with the ball pin mounting seat;The shock absorber mounting rack is arranged on the ball pin mounting seat and is used for connecting the shock absorber;Wherein, the shock absorber mounting rack and the ball pin mounting seat are integrally formed.

[0016] The suspension control arm structure of the utility model, through setting up first connecting arm and second connecting arm, can connect the suspension control arm structure to the vehicle body. The shock absorber mounting rack and the ball pin mounting seat are set as an integral molding piece, so that the integral molding of the shock absorber mounting rack and the ball pin mounting seat can be realized, thereby the number of molding molds can be reduced, and the manufacturing cost is saved; and the welding process between the shock absorber mounting rack and the ball pin mounting seat can also be saved, so that the production efficiency can be improved. At the same time, compared with the welding piece, the structural strength and rigidity of the integral molding piece are also relatively high, so that the overall structural strength and rigidity of the suspension control arm structure can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other embodiments can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is an overall three-dimensional structure schematic view of an embodiment of the utility model all terrain vehicle;

[0019] Figure 2 It is a partial structure schematic view of the frame in an embodiment of the utility model all terrain vehicle;

[0020] Figure 3 It is a partial installation position schematic view of the frame and the suspension structure in an embodiment of the utility model all terrain vehicle;

[0021] Figure 4 It is Figure 2 The local enlarged view of area A;

[0022] Figure 5 It is a three-dimensional structure schematic view of an embodiment of the utility model suspension control arm structure;

[0023] Figure 6 It is a structure schematic view of the ball pin mounting seat in an embodiment of the utility model suspension control arm structure;

[0024] Figure 7 It is a three-dimensional structure schematic view of the ball pin mounting seat in another angle in an embodiment of the utility model suspension control arm structure;

[0025] Figure 8 It is a structure schematic view of the ball pin mounting seat provided with reinforcing ribs in an embodiment of the utility model suspension control arm structure;

[0026] Figure 9This is a schematic diagram showing a positioning structure provided on the ball pin mounting seat in one embodiment of the suspension control arm structure of this utility model.

[0027] Figure 10 This is a schematic diagram of a suspension control arm structure of the present invention, showing that the first control arm and the second control arm are provided with positioning grooves.

[0028] Component designation explanation:

[0029] 10. All-terrain vehicle; 1. Vehicle body; 11. Frame; 2. Steering wheel; 3. Suspension structure; 310. Suspension control arm structure; 311. Ball joint mount; 3111. Second pin hole; 3112. Reinforcing rib; 3113. Recess; 312. First connecting arm; 3121. First joint; 313. Second connecting arm; 3131. Second joint; 314. Shock absorber mounting bracket; 3141. First pin hole; 3142. First mounting bracket; 3143. Second... Mounting bracket; 315, positioning structure; 3151, first protrusion; 3152, second protrusion; 3153, first positioning groove; 3154, second positioning groove; 316, cross arm; 317, ball pin; 318, mounting space; 319, weight reduction hole; 31, first steering knuckle; 32, second steering knuckle; 33, first control arm; 34, second control arm; 38, third control arm; 39, fourth control arm; 7, shock absorber; 71, lower mounting part; 72, pin. Detailed Implementation

[0030] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0031] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0032] It should be noted that the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model that can be implemented, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of technical content.

[0033] Please refer to Figures 1 to 10 The suspension control arm structure 310 of the utility model provides a kind of suspension structure 3 and all terrain vehicle 10, the suspension control arm structure 310 by being set as integrated molding piece with damper mounting bracket 314 and ball pin mounting seat 311, the integrated molding of damper mounting bracket 314 and ball pin mounting seat 311 can be realized, so as to reduce the number of forming die, save manufacturing cost;And damper mounting bracket 314 and ball pin mounting seat 311 between assembly connection process can also be saved, so as to improve the production efficiency of suspension control arm structure 310.

[0034] Please refer to Figure 1 And Figure 2 The all terrain vehicle 10 provided by the utility model includes vehicle body 1 and suspension structure 3 installed on vehicle body 1.Suspension structure 3 is used to absorb the impact and vibration caused by road unevenness, reduce the impact force transmitted to the vehicle body, it should be noted that the all terrain vehicle 10 can also include components other than the suspension structure 3 of the utility model, such as steering system, power system, electrical system and vehicle body and shell and other conventional components of existing all terrain vehicle 10, the conventional components can be designed according to the existing technical scheme, so here is not repeated.

[0035] Please refer to Figures 2 to 4The suspension structure 3 at least comprises a suspension control arm structure 310 and a shock absorber 7, and the shock absorber 7 is connected with the suspension control arm structure 310. The suspension structure 3 can be a single wishbone type independent suspension structure or a double wishbone type independent suspension structure. In order to reduce the adverse effects of wheel hopping and make the all-terrain vehicle 10 have better maneuverability, the double wishbone type independent suspension structure is adopted in the embodiment. The suspension control arm structure 310 can be an upper control arm of the suspension structure or a lower control arm of the suspension structure 3. Alternatively, in the embodiment, the suspension control arm structure 310 is an upper control arm of the suspension structure 3. Specifically, the suspension structure 3 comprises a first control arm 33, a second control arm 34, a third control arm 38, a fourth control arm 39, a first steering knuckle 31 and a second steering knuckle 32. The third control arm 38 and the first control arm 33 are arranged on one side of the vehicle frame 11 in the width direction, and the third control arm 38 is arranged above the first control arm 33. The first steering knuckle 31 is connected with one side of the vehicle frame 11 in the width direction through the third control arm 38 and the first control arm 33, and the first steering knuckle 31 is connected with the steering wheel 2 on one side of the vehicle frame. The fourth control arm 39 and the second control arm 34 are arranged on the other side of the vehicle frame 11 in the width direction, and the fourth control arm 39 is arranged above the second control arm 34. The second steering knuckle 32 is connected with the other side of the vehicle frame 11 in the width direction through the fourth control arm 39 and the second control arm 34, and the second steering knuckle 32 is connected with the steering wheel 2 on the other side of the vehicle frame. It should be noted that in the embodiment, according to the upper and lower installation positions of the control arms, the first control arm 33 and the second control arm 34 are defined as lower control arms, and the third control arm 38 and the fourth control arm 39 are defined as upper control arms.

[0036] The shock absorber 7 is provided in plurality, and one shock absorber 7 corresponds to one suspension control arm structure 310. One end of the shock absorber 7 is connected with the suspension control arm structure 310, and the other end is connected with the vehicle frame 11. It should be noted that the specific connection structure between the shock absorber 7 and the vehicle frame 11, the connection structure between each control arm and the vehicle frame 11, and the connection structure between the steering wheel 2 and the vehicle frame 11 are conventional components and conventional connection modes in the existing vehicle suspension system, and are well known structures in the field of automotive engineering, which will not be described here. The specific structure of the suspension control arm structure 310 in the embodiment will be described below.

[0037] Please refer to Figure 4 and Figure 5 The suspension control arm structure 310 comprises a ball pin mounting seat 311, a first connecting arm 312, a second connecting arm 313 and a shock absorber mounting bracket 314.

[0038] The first connecting arm 312 and the second connecting arm 313 can be a tubular bent structure, or a bent structure of sheet metal, or any other structure meeting the requirement of supporting strength. One end of the first connecting arm 312 is connected with the ball pin mounting seat 311, and the other end extends towards one side of the frame 11; one end of the second connecting arm 313 is connected with the ball pin mounting seat 311, and the other end also extends towards one side of the frame 11. From the ball pin mounting seat 311 to the frame 11, the transverse distance between the first connecting arm 312 and the second connecting arm 313 gradually increases to form an approximately triangular supporting structure. Under the premise of meeting the requirement of connecting strength, the connecting mode between the first connecting arm 312 and the second connecting arm 313 and the ball pin mounting seat 311 can be various, such as welding connection, bolt fixing connection, etc. Preferably, in the embodiment, the first connecting arm 312 and the second connecting arm 313 are both welded with the ball pin mounting seat 311. In this way, not only the connecting mode is simple, but also better connecting strength can be obtained.

[0039] It should be noted that other connecting arms can also be arranged between the first connecting arm 312 and the second connecting arm 313, for example, a cross arm 316 is arranged at the end of the first connecting arm 312 and the second connecting arm 313 close to the frame 11 to form an approximately A-shaped structure, as shown in Figure 5 It should be noted that other connecting arms can also be arranged between the first connecting arm 312 and the second connecting arm 313, for example, a cross arm 316 is arranged at the end of the first connecting arm 312 and the second connecting arm 313 close to the frame 11 to form an approximately A-shaped structure, as shown in

[0040] Please refer to Figures 4 to 6The shock absorber mounting bracket 314 is arranged on the ball pin mounting seat 311, the shock absorber 7 in the suspension structure 3 has a lower mounting portion 71, the lower mounting portion 71 is connected to the suspension control arm structure 310 through the shock absorber mounting bracket 314. The shock absorber mounting bracket 314 and the ball pin mounting seat 311 are integrally formed. The shock absorber mounting bracket 314 and the ball pin mounting seat 311 can be integrally cast, integrally forged or the like, and preferably, in the embodiment, the shock absorber mounting bracket 314 and the ball pin mounting seat 311 are integrally forged, so that the ball pin mounting seat 311 and the shock absorber mounting bracket 314 have better mechanical properties and higher fatigue life. The shock absorber mounting bracket 314 can be integrally formed on the upper wall of the ball pin mounting seat 311, or on the lower wall or the side wall, etc., according to the installation position requirements of the shock absorber 7. The shock absorber mounting bracket 314 can be any structure that can be matched with the lower mounting portion 71 of the shock absorber 7, for example, the shock absorber mounting bracket 314 can be a groove structure, the lower mounting portion 71 of the shock absorber 7 can be a protruding block structure, the protruding block structure is clamped in the groove structure, and then the rotation connection between the two is realized through the pin shaft 72; or the shock absorber mounting bracket 314 is a protruding block structure, the lower mounting portion 71 of the shock absorber 7 is a groove structure, the protruding block structure is clamped in the groove structure, and then the rotation connection between the two is realized through the pin shaft 72, etc., which is not limited in the embodiment.

[0041] Since the shock absorber mounting bracket 314 and the ball pin mounting seat 311 are arranged as an integrally formed part, the integrally formed shock absorber mounting bracket 314 and the ball pin mounting seat 311 can be formed only by using one set of forming mold, so that the number of forming molds can be reduced, and the manufacturing cost generated in the early development process of the product can be saved. At the same time, the integrally formed structure can also save the connection and assembly process between the shock absorber mounting bracket 314 and the ball pin mounting seat 311, such as the welding process, so that the production and processing efficiency can be improved. In addition, compared with the welded part, the structural strength and rigidity of the integrally formed part are relatively high, so that the mechanical properties between the shock absorber mounting bracket 314 and the ball pin mounting seat 311 are also good, and the overall structural strength and rigidity of the suspension control arm structure 310 can be improved.

[0042] Please refer to Figure 4 and Figure 5In an embodiment of the utility model, the lower mounting portion 71 of damper 7 is provided with pin shaft 72, pin shaft 72 is rotatably connected with lower mounting portion 71. Damper mounting frame 314 is provided with the first pin hole 3141 matched with pin shaft 72, pin shaft 72 is inserted in the first pin hole 3141, pin shaft 72 can be rotatably connected with the first pin hole 3141, can also be fixedly connected. Optionally, in the embodiment, pin shaft 72 is rotatably connected with the lower mounting portion 71 of damper 7 through bearing, pin shaft 72 is fixedly connected with the first pin hole 3141, and damper 7 is rotatably connected with suspension control arm structure 310 by being rotatably connected with pin shaft 72. Ball pin mounting seat 311 is provided with the second pin hole 3111, the second pin hole 3111 is matched with ball pin 317, the ball head of ball pin 317 is blocked at one end of second pin hole 3111, and the rod body of ball pin 317 is connected with corresponding steering knuckle after penetrating through second pin hole 3111 to realize the hinged connection between suspension control arm structure 310 and steering knuckle. Wherein, the first pin hole 3141 and the second pin hole 3111 are vertically arranged, that is, the center line of the first pin hole 3141 is perpendicular to the center line of the second pin hole 3111. In this way, the first pin hole 3141 and the second pin hole 3111 are conveniently formed on ball pin mounting seat 311, which is beneficial to guarantee the relative position accuracy between them, and further can improve the installation accuracy between suspension control arm structure 310 and frame 11.

[0043] Although the structure of damper mounting frame 314 can be various, preferably, please refer to Figures 4 to 6 In an embodiment of the utility model, damper mounting frame 314 includes first mounting frame 3142 and second mounting frame 3143, and first mounting frame 3142 and second mounting frame 3143 are arranged on both sides of the width direction (such as Figure 6 Y axis shown in the middle) of damper mounting frame 314 respectively, and the lower mounting portion 71 of damper 7 is rotatably arranged between first mounting frame 3142 and second mounting frame 3143. First mounting frame 3142 and second mounting frame 3143 can be arranged in the height direction (such as Figure 6The first mounting frame 3142 and the second mounting frame 3143 can be symmetrical structural members or asymmetrical structural members. In the embodiment, the first mounting frame 3142 and the second mounting frame 3143 are arranged on the same side of the ball pin mounting seat 311 in the height direction, and the first mounting frame 3142 and the second mounting frame 3143 are symmetrical structural members. In this way, the first mounting frame 3142 and the second mounting frame 3143 are conveniently positioned and formed on the ball pin mounting seat 311. The first mounting frame 3142 and the second mounting frame 3143 are arranged at intervals and form a mounting space 318 therebetween, the lower mounting portion 71 of the shock absorber 7 is arranged in the mounting space 318, the first pin hole 3141 penetrates the first mounting frame 3142 and the second mounting frame 3143 at the same time, and the two ends of the pin shaft 72 are inserted into the pin hole sections arranged on the first mounting frame 3142 and the second mounting frame 3143, so as to realize the connection between the lower mounting portion 71 of the shock absorber 7 and the shock absorber mounting frame 314. In this way, symmetrical support and connection strength can be obtained on both sides of the lower mounting portion 71 of the shock absorber 7, and the connection stability between the lower mounting portion 71 of the shock absorber 7 and the ball pin mounting seat 311 can be improved. At the same time, the first mounting frame 3142 and the second mounting frame 3143 arranged on both sides can form a local frame structure with the ball pin mounting seat 311, and higher support strength and rigidity can be obtained at this position, so that the connection strength between the shock absorber 7 and the suspension control arm structure 310 can be further improved.

[0044] Under the condition of meeting the connection requirements between the shock absorber 7 and the suspension control arm structure 310, the specific arrangement position of the shock absorber mounting frame 314 on the ball pin mounting seat 311 is not limited, but preferably, Figure 4 and Figure 5 In an embodiment of the utility model, the shock absorber mounting frame 314 is arranged on the side of the ball pin mounting seat 311 facing the shock absorber 7. On the side wall of the ball pin mounting seat 311 facing the shock absorber 7, the shock absorber mounting frame 314 can be arranged on the left and right positions of the second pin hole 3111, or on the front and rear positions of the second pin hole 3111, etc. In the embodiment, the shock absorber mounting frame 314 is located on the side of the second pin hole 3111 close to the vehicle frame 11. In this way, the connection point between the shock absorber mounting frame 314 and the lower mounting portion 71 of the shock absorber 7 is located above the suspension control arm structure 310, and the operation space above is larger, so that the disassembly and assembly connection between the shock absorber 7 and the suspension control arm structure 310 can be conveniently realized.

[0045] In order to further improve the structural strength of the ball pin mounting seat 311, in an embodiment of the utility model, please refer to Figures 6 to 8The side of the ball pin mounting seat 311 away from the damper 7 is provided with a reinforcing rib 3112. The reinforcing rib 3112 can be arranged at the center of the ball pin mounting seat 311 or at the peripheral position, and the reinforcing rib 3112 can be one or more, and the reinforcing rib 3112 can be triangular, rectangular or ring-shaped structure or any structure capable of strengthening the support strength of the ball pin mounting seat 311. Preferably, in the embodiment, as shown in Figure 8 the reinforcing rib 3112 is arranged around the outer periphery of the ball pin mounting seat 311, and a semi-enclosed groove structure is formed with the bottom wall of the ball pin mounting seat 311. In this way, the reinforcing rib 3112 is arranged around the outer periphery of the damper mounting bracket 314, and the support strength of the outer periphery can be specifically enhanced, so that higher support strength can be obtained at the position of the damper mounting bracket 314.

[0046] In an embodiment of the utility model, please refer to Figure 6 and Figure 7 The side of the ball pin mounting seat 311 towards the damper 7 includes a recess 3113. The recess 3113 is recessed towards the side away from the damper 7, and the shape of the recess 3113 can be approximately cuboid, square or other shapes, and the recess 3113 can be integrally cast with the ball pin mounting seat 311 or machined after the ball pin mounting seat 311 is formed. The first mounting bracket 3142 and the second mounting bracket 3143 are arranged on the opposite two side walls of the recess 3113 respectively, and the first mounting bracket 3142 and the second mounting bracket 3143 can be symmetrically arranged on the two side walls of the recess 3113 or asymmetrically arranged, preferably, in the embodiment, the first mounting bracket 3142 and the second mounting bracket 3143 are symmetrically arranged on the two side walls of the recess 3113. In this way, as shown in Figure 4 when the lower mounting portion 71 of the damper 7 is accommodated in the mounting space 318 between the first mounting bracket 3142 and the second mounting bracket 3143, the recess 3113 can further increase the gap between the upper surface of the ball pin mounting seat 311 and the lower mounting portion 71 of the damper 7 in the height direction, so as to reduce the probability of running interference between the upper surface of the ball pin mounting seat 311 and the lower mounting portion 71 of the damper 7. At the same time, the recess 3113 can also play a role in weight reduction, which is conducive to the lightweight design of the suspension control arm structure 310.

[0047] Further, please refer to Figure 5 and Figure 6In an embodiment of the present application, the bottom wall of the recess 3113 is provided with a weight-reducing hole 319. The bottom wall of the recess 3113 refers to the wall area between the first mounting bracket 3142 and the second mounting bracket 3143 where the ball pin mounting seat 311 is located. The weight-reducing hole 319 can be one or multiple, and can be a round hole, a square hole, a long hole, or any other shape. Optionally, in this embodiment, the bottom wall of the recess 3113 is provided with two circular weight-reducing holes 319. By providing the weight-reducing hole 319 on the bottom wall of the recess 3113, not only can the overall weight of the ball pin mounting seat 311 be further reduced, but also the degree of weakening of the support strength of the ball pin mounting seat 311 can be reduced.

[0048] The connection size precision between the first connecting arm 312 and the second connecting arm 313 and the ball pin mounting seat 311 directly affects the overall machining precision of the suspension control arm structure 310, therefore, when the first connecting arm 312 and the second connecting arm 313 are connected with the ball pin mounting seat 311, a certain connection positioning precision needs to be met. In view of this, in an embodiment of the present application, please refer to Figure 5 、 Figure 9 and Figure 10 , the suspension control arm structure 310 is further provided with a positioning structure 315, and the ball pin mounting seat 311 is positioned and connected with the first connecting arm 312 and the second connecting arm 313 through the positioning structure 315. The positioning structure 315 can be any structure that can realize the positioning connection between the ball pin mounting seat 311 and the first connecting arm 312 and the second connecting arm 313, for example, the positioning structure 315 can be a groove and a protrusion structure, the groove is provided on the ball pin mounting seat 311, and the protrusions are respectively provided on the first connecting arm 312 and the second connecting arm 313, the protrusions are inserted into the groove to form a clamping fit, thereby realizing the positioning connection between the ball pin mounting seat 311 and the first connecting arm 312 and the second connecting arm 313. The positioning structure 315 can also be a positioning key and a keyway structure, the keyway is partially provided on the first connecting arm 312 and partially on the second connecting arm 313, when the keyway parts on the first connecting arm 312 and the second connecting arm 313 are aligned, the positioning key is inserted into the keyway, thereby realizing the positioning connection between the ball pin mounting seat 311 and the first connecting arm 312 and the second connecting arm 313, etc. The ball pin mounting seat 311 is positioned and connected with the first connecting arm 312 and the second connecting arm 313 through the positioning structure 315, which can realize the positioning connection between the first connecting arm 312 and the second connecting arm 313 and the ball pin mounting seat 311, improve the connection size precision between the first connecting arm 312 and the second connecting arm 313 and the ball pin mounting seat 311, and further ensure the machining precision of the overall structure of the suspension control arm structure 310.

[0049] Further, please refer to Figure 9 and Figure 10In an embodiment of the utility model, the positioning structure 315 includes first bump 3151, second bump 3152 set up in ball pin mounting seat 311 and first positioning slot 3153 set up in first connecting arm 312 and second positioning slot 3154 set up in second connecting arm 313, first bump 3151 is inserted with first positioning slot 3153 and is positioned, second bump 3152 is inserted with second positioning slot 3154 and is positioned. The specific shape of first bump 3151, second bump 3152, first positioning slot 3153 and second positioning slot 3154 is not limited, in the embodiment, first bump 3151 and second bump 3152 can be cylindrical structure, first positioning slot 3153 and second positioning slot 3154 correspond to cylindrical hole structure, first bump 3151 is inserted with first positioning slot 3153 and forms approximate cylindrical surface cooperation, second bump 3152 is inserted with second positioning slot 3154 and also forms approximate cylindrical surface cooperation. In other embodiments, first bump 3151 and second bump 3152 can also be frustum structure, first positioning slot 3153 and second positioning slot 3154 correspond to frustum surface structure, first bump 3151 is inserted with first positioning slot 3153 and forms frustum surface cooperation, second bump 3152 is inserted with second positioning slot 3154 and also forms frustum surface cooperation. By making first bump 3151 be inserted with first positioning slot 3153 and be positioned, second bump 3152 is inserted with second positioning slot 3154 and is positioned, this can form larger support area between first connecting arm 312 and ball pin mounting seat 311 and between second connecting arm 313 and ball pin mounting seat 311, and further form relatively stable positioning connection relation, and it is favorable to keep the stability of the positioning connection between first connecting arm 312 and second connecting arm 313 and ball pin mounting seat 311 during use.

[0050] The suspension control arm structure provided by the utility model has the advantages that the damper mounting rack and the ball pin mounting seat are set as an integral forming piece, so that the integral forming of the damper mounting rack and the ball pin mounting seat can be realized, thereby the number of forming molds can be reduced, and the manufacturing cost is saved; and the welding process between the damper mounting rack and the ball pin mounting seat can be omitted, so that the production and manufacturing efficiency can be improved.

[0051] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A suspension control arm structure characterized by, The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber.

2. The suspension control arm structure according to claim 1, characterized by The application relates to a suspension control arm structure and a shock absorber.

3. The suspension control arm structure of claim 1 wherein, The application relates to a suspension control arm structure and a shock absorber.

4. The suspension control arm structure of claim 1 wherein, The application relates to a suspension control arm structure and a shock absorber.

5. The suspension control arm structure according to claim 4, characterized by The application relates to a suspension control arm structure and a shock absorber.

6. The suspension control arm structure of claim 4 wherein, The application relates to a suspension control arm structure and a shock absorber.

7. The suspension control arm structure of claim 1 wherein, The application relates to a suspension control arm structure and a shock absorber.

8. The suspension control arm structure according to claim 7, characterized by The application relates to a suspension control arm structure and a shock absorber.

9. A suspension structure characterized by, The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber.

10. An all-terrain vehicle characterized by, The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. 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The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. 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The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm structure and a shock absorber. The application relates to a suspension control arm

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