Ball stud assembly, suspension system and vehicle

Abstract

The utility model provides a ball stud assembly, a suspension system and a vehicle, and relates to the technical field of vehicles. The ball pin assembly comprises a ball pin, a ball seat assembly and a nut, the ball pin comprises a ball and a connecting rod, the connecting rod comprises a connecting section and a threaded section, the connecting section is connected with the ball and the threaded section, the nut is connected to the threaded section in a sleeving mode, the ball is partially inserted into the ball seat assembly and rotationally connected with the ball seat assembly, and the end, away from the connecting section, of the threaded section is provided with a matching part. The matching part is provided with at least one limiting part, the matching part is used for being matched with a fixing part of the wrench device, and the limiting part is used for being connected with the fixing part of the wrench device so as to limit rotation of the matching part relative to the fixing part of the wrench device. According to the ball pin assembly, the nut cannot drive the ball head to rotate when rotating along the threaded section, and therefore the nut can be screwed easily and conveniently.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a ball stud assembly, a suspension system and a vehicle. Background Art

[0002] The ball joint assembly is used in the vehicle's independent suspension system. The ball joint assembly is usually used to achieve the required freedom of wheel bounce and steering, while transmitting various forces and torques from the road, playing a key role in the vehicle's driving stability and safety.

[0003] In the prior art, the ball joint assembly includes a ball seat and a ball pin, one end of the ball pin is a ball head, the ball seat has a spherical groove matching the ball head, the ball head is inserted into the spherical groove and can rotate relative to the spherical groove, the steering knuckle of the suspension system is sleeved on the ball pin, the self-locking nut is connected to the ball pin, and the steering knuckle is located between the ball head and the self-locking nut, so that the steering knuckle of the suspension system can be limited by the self-locking nut.

[0004] However, when the self-locking nut is tightened on the ball pin, the ball pin will rotate along with the self-locking nut, making it difficult to tighten the self-locking nut. Utility Model Content

[0005] The present application provides a ball stud assembly, a suspension system and a vehicle, which are used to solve the problem that it is difficult to tighten the self-locking nut in the prior art.

[0006] In the first aspect, the present application provides a ball pin assembly for a suspension system, wherein the ball pin assembly comprises: a ball pin, a ball socket assembly and a nut, wherein the ball pin comprises a ball head and a connecting rod, wherein the connecting rod comprises a connecting section and a threaded section, wherein the connecting section connects the ball head and the threaded section, the nut is sleeved on the threaded section, the ball head portion is inserted into the ball socket assembly and is rotatably connected to the ball socket assembly, the threaded section has a mating portion at one end facing away from the connecting section, and the mating portion has at least one limiting portion, wherein the mating portion is used to mating with a fixed portion of a wrench device, and the limiting portion is used to connect with the fixed portion of the wrench device to limit the rotation of the mating portion relative to the fixed portion of the wrench device.

[0007] In some technical solutions of the above ball stud assembly, the mating portion has at least one inclined surface, and the inclined surface is inclined relative to the axis of the threaded section to form the limiting portion.

[0008] In some technical solutions of the above ball stud pin assembly, the end surface of the mating portion facing away from the connecting section is at least partially inclined toward the ball stud to form the inclined surface.

[0009] In some technical solutions of the above-mentioned ball stud assembly, the inclined surface includes a first inclined surface and a second inclined surface which are arranged opposite to each other.

[0010] In some technical solutions of the above-mentioned ball stud assembly, the first inclined plane and the second inclined plane are symmetrically arranged relative to the symmetry plane, and the angle between the first inclined plane and the symmetry plane and the angle between the second inclined plane and the symmetry plane are both 40°-70°.

[0011] In some technical solutions of the above-mentioned ball stud assembly, the connecting section is coaxially connected to the threaded section, the connecting section is at least partially conical, the small diameter end of the connecting section is connected to the threaded section, and the diameter of the small diameter end of the connecting section is greater than or equal to the diameter of the threaded section.

[0012] In some technical solutions of the above-mentioned ball stud assembly, a dust cover is also included, which is inserted into the connecting section and connected to the ball seat assembly.

[0013] In some technical solutions of the above ball stud assembly, a connecting piece is further included, wherein the connecting piece has at least one first clamping portion and at least one second clamping portion;

[0014] The ball seat assembly includes a ball seat, and the ball seat has at least one third clamping portion, and each of the third clamping portions is respectively clamped with each of the first clamping portions; the dust cover has at least one fourth clamping portion, and each of the fourth clamping portions is respectively clamped with each of the second clamping portions.

[0015] In a second aspect, the present application provides a suspension system, comprising a steering knuckle and any of the above-mentioned ball stud assemblies connected to the steering knuckle.

[0016] In a third aspect, the present application provides a vehicle, comprising a vehicle body and the above-mentioned suspension system connected to the vehicle body.

[0017] The present application proposes a ball pin assembly, a suspension system and a vehicle, wherein the ball pin assembly includes a ball pin, a ball seat assembly and a nut, wherein the ball pin includes a ball head, a connecting section and a threaded section, wherein the connecting section connects the ball head and the threaded section, and the nut is sleeved on the threaded section, wherein the end face of the threaded section away from the connecting section is at least partially inclined toward the ball head, and an end of the threaded section away from the connecting section is provided with a mating portion, wherein the mating portion is mated with a fixed portion of a wrench device, and a limiting portion is provided on the mating portion, wherein when the mating portion is mated with the fixed portion of the wrench device, the limiting portion is connected to the fixed portion of the wrench device to limit the mating portion from rotating relative to the fixed portion, thereby preventing the threaded section from rotating relative to the fixed portion, thereby preventing the nut from driving the threaded section to rotate when the nut rotates relative to the threaded section, thereby making it simpler and more convenient to tighten the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0019] Figure 1 is a schematic structural diagram of a ball stud assembly provided in an embodiment of the present application;

[0020] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle ball stud;

[0021] Figure 3 yes Figure 1 Structural schematic diagram of the middle ball seat assembly;

[0022] Figure 4 yes Figure 1 An exploded schematic diagram of the center ball seat assembly, the connector, the dust cover, the first clamp and the second clamp;

[0023] Figure 5 It is a cross-sectional view of a partial structure of a suspension system provided in an embodiment of the present application.

[0024] The above drawings have shown the clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments.

[0025] Description of reference numerals:

[0026] 100-ball pin; 110-ball head; 120-connecting section; 130-threaded section; 140-matching portion; 150-limiting portion; 151-first inclined surface; 152-second inclined surface; 133-symmetric surface;

[0027] 200-ball seat assembly; 210-ball seat; 211-spherical groove; 212-third clamping portion; 220-connecting plate; 221-installation portion;

[0028] 300 - dust cover; 310 - fourth clamping portion; 320 - first groove; 330 - second groove;

[0029] 400-connecting member; 410-first clamping portion; 420-second clamping portion;

[0030] 500-first clamp; 600-second clamp;

[0031] 700-Nut; 800-Steering knuckle. DETAILED DESCRIPTION

[0032] The exemplary embodiments will be described in detail below, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims.

[0033] The terms "first", "second", etc. in the specification and claims of the embodiments of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present application described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0034] In the embodiments of the present application, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have specific orientations, or to be constructed and operated in specific orientations. Moreover, in addition to being used to indicate orientations or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present application can be understood according to the specific circumstances.

[0035] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0036] Unless otherwise stated, the term "plurality" means two or more.

[0037] In the prior art, the ball joint assembly includes a ball seat and a ball pin, one end of the ball pin is a ball head, the ball seat has a spherical groove matching the ball head, the ball head is inserted into the spherical groove and can rotate relative to the spherical groove, the steering knuckle of the suspension system is sleeved on the ball pin, the self-locking nut is connected to the ball pin, and the steering knuckle is located between the ball head and the self-locking nut, so as to limit the steering knuckle of the suspension system through the self-locking nut. However, when a torque is applied to the self-locking nut to tighten the self-locking nut, the self-locking nut rotates relative to the ball pin. At this time, the ball pin will follow the self-locking nut to rotate relative to the ball seat, making it difficult to tighten the self-locking nut on the ball pin.

[0038] Based on this, an embodiment of the present application provides a ball pin assembly, including a ball pin, a ball seat assembly and a nut. The ball pin includes a ball head, a connecting section and a threaded section. The connecting section connects the ball head and the threaded section. The end face of the threaded section away from the connecting section is at least partially inclined toward the ball head. The end of the threaded section away from the connecting section has a mating portion, and the mating portion is mated with the fixed portion of the wrench device. The mating portion has a limiting portion. When the mating portion is mated with the fixed portion of the wrench device, the limiting portion is connected to the fixed portion of the wrench device to limit the rotation of the mating portion relative to the fixed portion, thereby preventing the threaded section from rotating relative to the fixed portion, thereby preventing the nut from driving the threaded section to rotate when the nut rotates relative to the threaded section, thereby making tightening the nut simpler and more convenient.

[0039] The following describes the embodiments of the present utility model in conjunction with the accompanying drawings.

[0040] Reference Figure 1 and Figure 5 The present embodiment provides a ball pin assembly for a suspension system, the ball pin assembly comprising: a ball pin 100, a ball socket assembly 200 and a nut 700, the ball pin 100 comprising a ball head 110 and a connecting rod, the connecting rod comprising a connecting section 120 and a threaded section 130, the connecting section 120 connecting the ball head 110 and the threaded section 130, the nut 700 is sleeved on the threaded section 130, the ball head 110 is partially inserted in the ball socket assembly 200 and is rotatably connected to the ball socket assembly 200, the threaded section 130 has a mating portion 140 at one end away from the connecting section 120, the mating portion 140 has at least one limiting portion 150, the mating portion 140 is used to cooperate with the fixed portion of the wrench device, and the limiting portion 150 limits the rotation of the mating portion 140 relative to the fixed portion of the wrench device.

[0041] The ball head 110 can rotate relative to the ball socket assembly 200 , that is, the ball stud 100 can rotate relative to the ball socket assembly 200 .

[0042] One end of the connecting section 120 is connected to the ball head 110, and the other end of the connecting section 120 is connected to the threaded section 130. It can be understood that the ball head pin 100 is integrally formed, with fewer production processes and higher strength. The threaded section 130 has an external thread, which matches the internal thread of the nut 700. The nut 700 rotates along the external thread on the threaded section 130 to complete the tightening of the nut 700.

[0043] It should be noted that the ball stud 100 can be connected to a lower swing arm of a suspension system, an upper swing arm of a suspension system, a lateral stabilizer bar or a steering knuckle.

[0044] Exemplarily, the connecting section 120 of the ball stud 100 is used for plugging with the steering knuckle 800 of the suspension system, and the nut 700 is a self-locking nut, which prevents the nut 700 from moving relative to the threaded section 130 through the self-locking property of the nut 700, thereby preventing the steering knuckle 800 of the suspension system from moving along the direction of the axis of the ball stud 100, so that the connection between the steering knuckle 800 of the suspension system and the ball stud 100 is relatively stable. Among them, whether the connection between the steering knuckle 800 of the suspension system and the ball stud 100 is stable is an important factor for the smooth driving of the vehicle.

[0045] In a specific implementation, the ball head 110 is first partially inserted into the ball socket assembly 200 to connect the ball head pin 100 with the ball socket assembly 200, and then the steering knuckle 800 of the suspension system is inserted into the connecting section 120, and then the nut 700 is sleeved on the threaded section 130, and the nut 700 is moved along the threaded section 130 until the nut 700 abuts against the steering knuckle 800 of the suspension system, so that the steering knuckle 800 of the suspension system is limited on the connecting section 120 by the nut 700.

[0046] Specifically, the wrench device includes a fixing portion and a driving portion. When the nut 700 is sleeved on the threaded segment 130, the matching portion 140 is first matched with the fixing portion of the wrench device, and the limiting portion 150 is connected to the fixing portion of the wrench device, so that the matching portion 140 is restricted by the limiting portion 150 from rotating relative to the fixing portion of the wrench device, thereby preventing the threaded segment 130 from rotating relative to the fixing portion. At this time, the driving portion of the wrench device provides torque to the nut 700 to drive the nut 700 to rotate relative to the fixing portion, thereby causing the nut 700 to rotate relative to the threaded segment 130.

[0047] It is understandable that the connection between the limiting portion 150 and the fixing portion of the wrench device may be abutment, snap connection or magnetic connection, etc., so that the limiting portion 150 can be connected and disconnected from the fixing portion of the wrench device more conveniently.

[0048] The embodiment of the present application provides a ball stud assembly, including a ball stud 100, a ball socket assembly 200 and a nut 700. The ball stud 100 includes a ball head 110, a connecting section 120 and a threaded section 130. The connecting section 120 connects the ball head 110 and the threaded section 130. The connecting section 120 is used to be plugged with a steering knuckle 800 of a suspension system. The nut 700 is sleeved on the threaded section 130. The nut 700 abuts against the steering knuckle 800 to limit the steering knuckle 800 of the suspension system. The ball head 110 is partially inserted into the ball socket assembly 200 and is rotatably connected to the ball socket assembly 200 so that the ball head 110 can rotate relative to the ball socket assembly 200. The end of the threaded section 130 away from the connecting section 120 has a matching portion 140, and the matching portion 140 is used to match with the fixed portion of the wrench device. The matching portion 140 has a limiting portion 150. When the matching portion 140 matches with the fixed portion of the wrench device, the limiting portion 150 is connected to the fixed portion of the wrench device to limit the limiting portion 150 from rotating relative to the fixed portion of the wrench device, thereby preventing the matching portion 140 from rotating relative to the fixed portion of the wrench device, thereby preventing the threaded section 130 from rotating relative to the fixed portion. At this time, the nut 700 can be driven to rotate relative to the threaded section 130 to tighten the nut 700. In this way, it can be avoided that the nut 700 drives the threaded section 130 to rotate when rotating relative to the threaded section 130, thereby making it simpler and more convenient to tighten the nut 700, and at the same time, the time required to tighten the nut 700 is shorter, and the work efficiency is higher.

[0049] In some embodiments, the matching portion 140 has at least one inclined surface, and the inclined surface is inclined relative to the axis of the threaded segment 130 to form a limiting portion 150 .

[0050] The fixing portion of the wrench device is groove-shaped, the matching portion 140 matches the fixing portion, and the matching portion 140 is inserted into the fixing portion.

[0051] The specific shape of the matching portion 140 can be set according to actual needs, and this embodiment does not limit this. For example, the matching portion 140 can be a pyramid or a prism.

[0052] Specifically, the fixed part of the wrench device has at least one abutting surface, and the inclined surface is used to abut against the abutting surface to limit the inclined surface from rotating relative to the abutting surface, thereby preventing the matching part 140 from rotating relative to the fixed part, thereby preventing the threaded section 130 from rotating relative to the fixed part.

[0053] In a specific implementation, the end surface of the matching portion 140 facing away from the connecting section 120 is at least partially inclined toward the ball head 110 to form an inclined surface.

[0054] The end surface of the matching portion 140 facing away from the connecting section 120 includes at least one inclined surface, and an angle is formed between the inclined surface and the axis of the threaded section 130, and the angle is an acute angle. By providing the inclined surface on the end surface of the matching portion 140 facing away from the connecting section 120, the matching portion 140 is inserted into the fixed portion of the wrench device, and the abutting surface of the fixed portion is located at the bottom, so that the inclined surface and the abutting surface are opposite, and then the matching portion 140 can be inserted into the fixed portion so that the inclined surface and the abutting surface can abut, and the abutting of the inclined surface and the abutting surface is more convenient.

[0055] Reference Figure 2 In some embodiments, the inclined surface includes a first inclined surface 151 and a second inclined surface 152 that are oppositely disposed.

[0056] The first inclined surface 151 and the second inclined surface 152 are arranged opposite to each other. The first inclined surface 151 and the second inclined surface 152 abut against the fixing portion, so that the first inclined surface 151 and the second inclined surface 152 cannot rotate relative to the fixing portion, thereby preventing the matching portion from rotating relative to the fixing portion.

[0057] The structure where the first inclined surface 151 and the second inclined surface 152 are arranged opposite to each other is relatively simple and is easy to manufacture.

[0058] Specifically, the ball head 110 can be integrally cast, which has fewer manufacturing steps and higher strength.

[0059] Exemplarily, the height of the first inclined surface 151 and the second inclined surface 152 is 4 mm to 6 mm. For example, the height of the first inclined surface 151 and the second inclined surface 152 are both 5 mm.

[0060] In some embodiments, the end surface of the threaded segment 130 facing away from the connecting segment 120 is an inclined surface, and the inclined surface is inclined relative to the axis of the threaded segment 130 .

[0061] In some embodiments, the end surface of the threaded segment 130 facing away from the connecting segment 120 includes at least three inclined surfaces, and the inclined surfaces are sequentially arranged around the axis of the threaded segment 130 .

[0062] In a specific implementation, the first inclined surface 151 and the second inclined surface 152 are symmetrically arranged relative to the symmetry plane 133 , and the axis of the thread segment 130 is located on the symmetry plane 133 between the first inclined surface 151 and the second inclined surface 152 .

[0063] in, Figure 2 The surface shown in the dotted box is the symmetry surface 133. The first inclined surface 151 and the second inclined surface 152 are symmetrically arranged relative to the symmetry surface 133, that is, symmetrically arranged relative to the axis of the threaded segment 130, so that the end surface of the threaded segment 130 away from the connecting segment 120 is more beautiful.

[0064] In some embodiments, the angle between the first inclined surface 151 and the symmetry plane 133 and the angle between the second inclined surface 152 and the symmetry plane 133 are both 40°-70°.

[0065] The angle between the first inclined surface 151 and the symmetric surface 133 is equal to the angle between the second inclined surface 152 and the symmetric surface 133 , so that the first inclined surface 151 and the second inclined surface 152 are symmetrical with respect to the symmetric surface 133 .

[0066] Exemplarily, the angle between the first inclined surface 151 and the symmetric plane 133 and the angle between the second inclined surface 152 and the symmetric plane 133 are both 60°.

[0067] Reference Figure 2 and Figure 5 In a specific implementation, the connecting section 120 is coaxially connected to the threaded section 130 , the connecting section 120 is at least partially conical, the small diameter end of the connecting section 120 is connected to the threaded section 130 , and the diameter of the small diameter end of the connecting section 120 is greater than or equal to the diameter of the threaded section 130 .

[0068] The portion where the connecting section 120 is plugged into the steering knuckle 800 of the suspension system is conical, and the diameter of the connecting section 120 is larger than the diameter of the threaded section 130 , so that the steering knuckle 800 of the suspension system can be plugged into the connecting section 120 via the threaded section 130 .

[0069] It can be understood that the size and taper of the connecting section 120 can be set according to the size of the steering knuckle 800 of the suspension system and actual needs, and the size of the threaded section 130 can be set according to the diameter of the small diameter end of the connecting section 120 and actual needs, which is not limited in this embodiment.

[0070] Reference Figure 3 and Figure 5 In a specific implementation, the ball seat assembly 200 includes a ball seat 210 , and the ball seat 210 has a spherical groove 211 . The spherical groove 211 matches the ball head 110 , and a part of the ball head 110 is inserted in the spherical groove 211 .

[0071] Part of the ball head 110 is inserted into the spherical groove 211 , so that the ball head 110 can rotate relative to the spherical groove 211 , and further the ball stud 100 can rotate relative to the ball seat 210 .

[0072] Reference Figure 3 In some embodiments, the ball seat assembly 200 further includes at least one connecting plate 220, which is connected to the ball seat 210. The connecting plate 220 has at least one mounting portion 221, which is used for detachably connecting to a control arm of a suspension system.

[0073] One end of the connecting plate 220 is connected to the ball seat 210 , and the mounting portion 221 is a mounting hole.

[0074] Exemplarily, the number of the connecting plates 220 is two, and the two connecting plates 220 are connected at one side close to the ball seat 210 to increase the strength of the connecting plates 220. The number of the mounting holes on one connecting plate 220 is two.

[0075] In some embodiments, the suspension system includes bolts and connecting nuts matched with the bolts, and the suspension system includes at least one control arm, and the control arm has at least one bolt hole, and the bolts are connected to the connecting nuts through the mounting holes and the bolt holes in sequence, so that the connecting plate 220 is connected to the control arm. It can be understood that the bolts and connecting nuts can be selected according to the universal parts standard, and the sizes of the mounting holes and the bolt holes can be set according to the size of the bolts and actual needs, and this embodiment does not limit this.

[0076] The ball stud assembly provided in the embodiment of the present application is detachably connected to the control arm of the suspension system via the connecting plate 220, so that the ball seat assembly 200 and the control arm of the suspension system are separated. Compared with the integrated design of the ball seat assembly 200 and the control arm of the suspension system, it is more convenient to repair the ball seat assembly 200 or the control arm of the suspension system, thereby reducing the repair cost.

[0077] Reference Figure 4 and Figure 5 In a specific implementation, the ball stud assembly provided in the embodiment of the present application further includes a dust cover 300 , which is plugged into the connecting section 120 and connected to the ball seat assembly 200 .

[0078] The nut 700 is used to abut against one side of the steering knuckle 800 of the suspension system, and the dust cover 300 is used to abut against the other side of the steering knuckle 800 of the suspension system, so as to limit the movement of the steering knuckle 800 of the suspension system along the axis of the ball stud 100 through the dust cover 300 and the nut 700.

[0079] Specifically, the ball seat assembly 200 includes a ball seat 210, a dust cover 300 is inserted into the connecting section 120 via the threaded section 130, and the end of the dust cover 300 close to the ball seat 210 is connected to the ball seat 210, and the end of the dust cover 300 away from the ball seat 210 is tightly abutted against the connecting section 120 to shield the connection between the ball seat 210 and the ball stud 100, thereby making the ball head 110 in a sealed state to prevent dust or foreign matter from entering the connection between the ball seat 210 and the ball stud 100. Among them, the sealing performance of the dust cover 300 has a great influence on the wear and fatigue life of the ball stud 100.

[0080] Exemplarily, the connecting section 120 has a protrusion, which is arranged around the circumference of the connecting section 120. When the dust cover 300 is inserted into the connecting section 120, the protrusion is located inside the dust cover 300, and the protrusion abuts against the dust cover 300 to limit the dust cover 300 from having a large displacement relative to the connecting section 120.

[0081] It is understood that the dust cover 300 is an elastic member, so that when the ball stud 100 rotates relative to the ball seat assembly 200, the dust cover 300 can be partially stretched or compressed with the rotation of the ball stud 100, and the dust cover 300 is always connected to the connecting section 120 and the ball seat assembly 200, so that the ball head 110 is always in a sealed state. The dust cover 300 can be made of polyurethane or chloroprene rubber, which are resistant to high temperature, oil and aging.

[0082] In some embodiments, at least one oil storage tank is provided on the side wall of the spherical groove 211, and the oil storage tank is used to place lubricating oil. The lubricating oil reduces the friction between the ball stud 100 and the groove surface of the spherical groove 211, thereby facilitating the rotation of the ball stud 100 relative to the ball socket 210, and the noise generated when the ball stud 100 rotates relative to the ball socket 210 is relatively small. At the same time, the lubricating oil can absorb the heat generated by the relative rotation of the ball stud 100 and the ball socket 210, thereby reducing the temperature of the ball stud 100 and the ball socket 210.

[0083] It can be understood that there is an oil storage cavity between the inner wall of the protective cover 300 and the connecting section 120, and the oil storage cavity is used to store lubricating oil. The oil storage cavity is connected to each oil storage tank to provide lubricating oil to the oil storage tank.

[0084] Reference Figure 4 and Figure 5 In some embodiments, the ball stud assembly provided in the embodiment of the present application also includes a connecting member 400, the connecting member 400 has at least one first clamping portion 410 and at least one second clamping portion 420; the ball seat assembly 200 includes a ball seat 210, the ball seat 210 has at least one third clamping portion 212, each third clamping portion 212 is respectively clamped with each first clamping portion 410, and the dust cover 300 has at least one fourth clamping portion 310, each fourth clamping portion 310 is respectively clamped with each second clamping portion 420.

[0085] The first clamping portion 410 is clamped with the third clamping portion 212 to clamp the connector 400 with the ball seat 210, and the second clamping portion 420 is clamped with the fourth clamping portion 310 to clamp the connector 400 with the dust cover 300, thereby connecting the ball seat 210 with the dust cover 300.

[0086] Exemplarily, the number of the first clamping portion 410 is one, and the number of the second clamping portion 420 is one.

[0087] Specifically, the first clamping part 410 is an annular member, the third clamping part 212 is a first annular groove matching the annular member, and the first annular groove is located on the groove surface close to the groove opening of the spherical groove 211. The second clamping part 420 is a second annular groove, and part of the dust cover 300 is sleeved on the second annular groove.

[0088] In some embodiments, the ball stud assembly provided in the embodiment of the present application also includes at least one clamp, and the dust cover 300 has at least one groove, and each clamp is clamped with each groove one by one to make the connection between the dust cover 300 and the ball stud 100 or the ball seat assembly 200 more stable.

[0089] Specifically, the clamp includes a first clamp 500 and a second clamp 600, and the groove includes a first groove 320 and a second groove 330. The first groove 320 is opposite to the connecting section 120, and the first clamp 500 is clamped with the first groove 320 to press and fix the dust cover 300 on the connecting section 120. The second groove 330 is opposite to the second clamping portion 420 of the connecting piece 400, and the second clamp 600 is clamped with the second groove 330 to press and fix the dust cover 300 on the connecting piece 400.

[0090] It can be understood that the first groove 320 and the second groove 330 are both arranged around the circumference of the dust cover 300, and the first clamp 500 and the second clamp 600 are both circular rings.

[0091] On the basis of the above embodiment, this embodiment provides a suspension system, including a steering knuckle 800 and a ball stud assembly connected to the steering knuckle 800 .

[0092] Among them, the structure of the ball stud assembly has been described in detail in the above embodiment and will not be repeated here.

[0093] The suspension system is used for vehicles. The vehicle includes a body and at least three wheels. The suspension system is a transmission connection device between the body and the wheels. A suspension system is connected to a wheel, and the suspension system is connected to the body. The suspension system is used to transfer the force and torque between the body and a pair of wheels, and to buffer the impact force transmitted to the body by the uneven road surface, so as to reduce the vibration caused by the uneven road surface, thereby ensuring the smooth driving of the car.

[0094] The suspension system also includes control arms, which are the guiding and force-transmitting elements of the suspension system. The control arms are used to transmit various forces acting on the wheels to the vehicle body, while ensuring that the wheels move along a certain trajectory.

[0095] In the suspension system provided by the embodiment of the present application, the ball pin assembly is plugged with the steering knuckle 800 through the connecting section 120, so that the steering knuckle 800 can transmit force and torque to the ball pin 100, and the nut 700 is sleeved on the threaded section 130, and the nut 700 abuts against the steering knuckle 800 to limit the steering knuckle 800 and ensure that the connection between the steering knuckle 800 and the ball pin 100 is relatively stable. The end face of the threaded section 130 facing away from the connecting section 120 abuts against the fixed part of the wrench device to prevent the nut 700 from driving the threaded section 130 to rotate when tightening the nut 700, thereby making it relatively simple and convenient to tighten the nut 700.

[0096] On the basis of the above embodiments, this embodiment provides a vehicle, including a vehicle body and a suspension system connected to the vehicle body.

[0097] In the vehicle provided in the embodiment of the present application, the connection between the nut 700 of the suspension system and the threaded section 130 is relatively stable, so that the nut 700 can limit the steering knuckle 800 more reliably, thereby making the vehicle run more smoothly.

[0098] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the scope of the present application is limited only by the appended claims.

Claims

1. A ball stud assembly for a suspension system, the ball stud assembly include: A ball pin, a ball socket assembly and a nut, the ball pin including a ball head and a connecting rod, the connecting rod including a connecting section and a threaded section, the connecting section connecting the ball head and the threaded section, the nut being sleeved on the threaded section, the ball head portion being inserted into the ball socket assembly and being rotatably connected to the ball socket assembly, characterized in that the threaded section has a mating portion at one end facing away from the connecting section, the mating portion has at least one limiting portion, the mating portion is used to mating with a fixed portion of a wrench device, the limiting portion is used to connect with the fixed portion of the wrench device to limit the rotation of the mating portion relative to the fixed portion of the wrench device.

2. The ball stud assembly according to claim 1, It is characterized in that The matching portion has at least one inclined surface, and the inclined surface is inclined relative to the axis of the threaded section to form the limiting portion.

3. The ball stud assembly according to claim 2, It is characterized in that An end surface of the matching portion facing away from the connecting section is at least partially inclined toward the ball head to form the inclined surface.

4. The ball stud assembly according to claim 3, It is characterized in that The inclined surface includes a first inclined surface and a second inclined surface which are arranged opposite to each other.

5. The ball stud assembly according to claim 4, It is characterized in that The first inclined plane and the second inclined plane are symmetrically arranged relative to the symmetry plane, and an angle between the first inclined plane and the symmetry plane and an angle between the second inclined plane and the symmetry plane are both 40°-70°.

6. The ball stud assembly according to any one of claims 1 to 5, It is characterized in that The connecting section is coaxially connected to the threaded section, the connecting section is at least partially conical, the small diameter end of the connecting section is connected to the threaded section, and the diameter of the small diameter end of the connecting section is greater than or equal to the diameter of the threaded section.

7. The ball stud assembly according to any one of claims 1 to 5, It is characterized in that It also includes a dust cover, which is plugged into the connecting section and connected to the ball seat assembly.

8. The ball stud assembly according to claim 7, It is characterized in that Also included is a connecting piece, the connecting piece having at least one first clamping portion and at least one second clamping portion; The ball seat assembly includes a ball seat, and the ball seat has at least one third clamping portion, and each of the third clamping portions is respectively clamped with each of the first clamping portions; the dust cover has at least one fourth clamping portion, and each of the fourth clamping portions is respectively clamped with each of the second clamping portions.

9. A suspension system, It is characterized in that The invention comprises a steering knuckle and a ball stud assembly according to any one of claims 1 to 8 connected to the steering knuckle.

10. A vehicle, It is characterized in that The invention comprises a vehicle body and the suspension system according to claim 9 connected to the vehicle body.

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