CN210821703U - Suspension and car - Google Patents

Abstract

The utility model provides a suspension and an automobile, relating to the technical field of automobiles and aiming at solving the technical problems that the steering knuckle is easy to damage and the efficiency is low when the camber angle is adjusted in the prior art, wherein the suspension comprises the steering knuckle, a swing arm and a ball pin component; the knuckle is provided with a first connecting hole, and the axis of the first connecting hole is perpendicular to the end face of a wheel so as to be used for connecting the wheel; the swing arm is used for being connected with the frame; one end of the ball pin assembly is connected with the swing arm, and the other end of the ball pin assembly can move relative to the steering knuckle along the axis direction of the first connecting hole so as to change an included angle between the end face of the wheel and the vertical face. The embodiment of the utility model provides a suspension and car can help staff convenient and fast's regulation camber angle, and can not harm the knuckle.

Description

Suspension and car

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a suspension and car.

Background

A suspension is a connection between the frame and the wheels of an automobile.

Taking the macpherson suspension as an example, the macpherson suspension includes: a knuckle, a swing arm, and a ball pin assembly; the upper end of the steering knuckle is connected with a damping assembly, the damping assembly is connected with the frame through a first fastening bolt, one side of the steering knuckle is connected with a steering pull rod, the other opposite side of the steering knuckle is connected with a brake assembly, the lower end of the steering knuckle, which is far away from the damping assembly, is connected with a ball pin assembly, and the ball pin assembly is connected with the swing arm through a second fastening bolt; the middle part of the steering knuckle is also connected with a wheel, wherein an included angle between the end surface of the wheel and the vertical surface is called an camber angle, and the camber angle is within a preset range, so that the transverse stability of an automobile can be enhanced, and the abrasion of tires is reduced. When the camber angle of wheel is not when predetermineeing the within range, can adjust first fastening bolt and second fastening bolt usually loosely, because be clearance fit between fastening bolt and the bolt hole, maintenance person adopts the mode of knocking the knuckle and being close to damper assembly one end usually to adjust the camber angle of wheel, and the camber angle is adjusted and is screwed up fastening bolt after predetermineeing the within range.

However, the above-mentioned method of adjusting the camber angle is likely to damage the knuckle and has low efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a suspension and car helps staff convenient and fast's regulation camber angle, and can not harm the knuckle.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

a first aspect of the present invention provides a suspension, comprising: a knuckle, a swing arm, and a ball pin assembly; the knuckle is provided with a first connecting hole, and the axis of the first connecting hole is perpendicular to the end face of a wheel so as to be used for connecting the wheel; the swing arm is used for being connected with the frame; one end of the ball pin assembly is connected with the swing arm, and the other end of the ball pin assembly can move relative to the steering knuckle along the axis direction of the first connecting hole so as to change an included angle between the end face of the wheel and the vertical face.

The suspension as described above, wherein the ball pin assembly comprises: a pin boss and a pin rod; the ball head is arranged at one end of the pin rod, the pin seat is provided with an accommodating cavity for accommodating the ball head, and the other end of the pin rod extends out of the pin seat.

The suspension as described above, wherein the knuckle has a second connection hole extending in an axial direction of the first connection hole; the pin boss is arranged in the second connecting hole and can move relative to the steering knuckle along the axial direction of the second connecting hole.

The suspension as described above, wherein the inner wall surface of the second connecting hole has a first internal thread, and the outer wall surface of the pin boss has a first external thread that is engaged with the first internal thread, so that the pin boss can move relative to the knuckle by the mutual engagement of the first internal thread and the first external thread.

The suspension as described above, wherein the suspension further comprises: a first locking member for securing the pin boss to the knuckle.

The suspension bracket as described above, wherein the first locking member is sleeved outside the pin seat and has a second internal thread capable of matching with the first external thread.

The suspension as described above, wherein the swing arm has a third connecting hole for passing the pin rod therethrough.

The suspension as described above, wherein the swing arm has an avoidance region at an end of the third connecting hole, the avoidance region being for avoiding the pin rod.

The suspension as described above, wherein the ball pin assembly further comprises: and the flexible dust cover is sleeved on the outer side of the pin rod.

Compared with the prior art, the embodiment of the utility model provides a suspension has following advantage: the suspension comprises a steering knuckle, a swing arm and a ball pin assembly; the steering knuckle is provided with a first connecting hole which can be connected with the wheel of the automobile and is used for connecting the wheel of the automobile to the steering knuckle; the swing arm is used for being connected with the frame, and the ball pin assembly is used for connecting the steering knuckle and the swing arm; wherein, the knuckle can also be connected with the steering linkage and the damper of car, because the one end of ball round pin subassembly can remove along the axis direction of first connecting hole for the knuckle, can at first transfer the fastening bolt between knuckle and the damper, then through adjusting the hookup location of ball round pin subassembly between for the knuckle, just can realize adjusting the camber angle of auto wheel, adjust the fastening bolt of accomplishing back tightening damper, accomplish the process of adjusting the camber angle, and convenient operation is swift, need not strike the spare part in knuckle or other suspensions, can not damage the knuckle.

A second aspect of the present invention provides an automobile, comprising: wheels and suspensions as described above;

the suspension is connected with the wheel, and the suspension can change the included angle between the end face of the wheel and a vertical face perpendicular to the axis of the wheel.

In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, embodiments of the present invention provide other technical problems that can be solved by a suspension and an automobile, other technical features included in the technical solutions, and advantageous effects brought by the technical features, which will be described in further detail in the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a suspension according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a suspension according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;

fig. 4 is a schematic structural view of a portion B in fig. 3.

Reference numerals:

10: a knuckle;

11: a first connection hole;

12: a second connection hole;

13: a fourth connection hole;

14: a fifth connecting hole;

15: a sixth connection hole;

20: swinging arms;

21: a third connection hole;

22: an avoidance area;

30: a ball pin assembly;

31: a pin boss;

311: an accommodating chamber;

32: a pin rod;

321: a ball head;

33: a first locking member;

34: a flexible dust cover;

35: a slotted nut;

36: and (4) locking pins.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The suspension comprises a steering knuckle, a swing arm and a ball pin assembly; the swing arm is provided with first bolt holes which correspond to the three first fastening bolts and are in clearance fit with the three first fastening bolts, and the three first fastening bolts can be arranged in a triangular shape; the opposite side of knuckle and swing arm is equipped with the second bolt hole to can be connected with damper through second fastening bolt, damper passes through third fastening bolt and frame connection, wherein, between second fastening bolt and the second bolt hole. And the third fastening bolt is in clearance fit with the third bolt hole.

The wheel passes through connecting pieces such as bearing and connects in the first connecting hole of knuckle, and the wheel installation accomplishes the back, and the wheel terminal surface can be to car one side or deviate from car one side slope, and the contained angle between wheel terminal surface and the vertical face is the camber angle of wheel promptly.

Before the car leaves the factory or after the car operation a period all need adjust the camber angle of wheel, among the prior art, can transfer first fastening bolt and second fastening bolt, perhaps transfer pine second fastening bolt and third fastening bolt, make the knuckle only connect on the frame through the steering linkage, at this moment, the staff is according to predetermineeing camber angle scope, it is close to first bolt department to strike the knuckle, perhaps the knuckle is close to second bolt department, adjust the angle of camber angle, however the knuckle is damaged easily to above-mentioned adjustment mode regulating efficiency hang down.

Example one

To solve the above problem, fig. 1 is a schematic structural diagram of a suspension according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a suspension according to an embodiment of the present invention; referring to fig. 1 and 2, the present embodiment provides a suspension, including: a knuckle 10, a swing arm 20, and a ball pin assembly 30; the knuckle 10 has a first connection hole 11, an axis of the first connection hole 11 being perpendicular to a wheel end surface for connecting a wheel; the swing arm 20 is used for being connected with the frame; one end of the ball pin assembly 30 is connected with the swing arm 20, and the other end of the ball pin assembly 30 can move along the axial direction of the first connection hole 11 relative to the knuckle 10 to change the included angle between the end surface of the wheel and the vertical surface.

Specifically, the suspension is used to elastically connect the wheels of the automobile to the frame, and includes a knuckle 10, a swing arm 20, and a ball pin assembly 30, and the ball pin assembly 30 is used to connect the knuckle 10 and the swing arm 20.

Wherein, the knuckle 10 has a first connection hole 11 for connecting with a wheel, and a bearing for supporting the wheel axle can be arranged between the first connection hole 11 and the wheel axle, so that the wheel can rotate around the self axis; a fourth connecting hole 13 for connecting with a damping component is formed in one side of the steering knuckle 10, which is far away from the swing arm 20, the damping component can be connected with the damping component through a second fastening bolt, and understandably, one end of the damping component, which is far away from the steering knuckle 10, can be connected with a frame through a third fastening bolt; the steering knuckle 10 is further provided with a fifth connecting hole 14 for connecting with a steering rod, and the steering rod is connected with a steering control assembly and used for controlling the steering of wheels according to the use requirement of a driver; the side of the knuckle 10 facing away from the steering linkage is provided with a sixth attachment hole 15 for attachment to a brake assembly.

The swing arm 20 is used to connect the wheel to the frame, and the swing arm 20 may be forked or triangular, one end being used to connect with the knuckle 10, and the other two ends being used to connect with the frame.

Ball pin assembly 30 may include a pin housing 31 and a pin shaft 32; one end of the pin rod 32 is provided with a ball 321, the pin seat 31 is provided with a containing cavity 311 for containing the ball 321, and the other end of the pin rod 32 extends out of the pin seat 31. In the running process of the automobile, wheels can rotate under the action of a steering pull rod, so that the ball head 321 and the pin seat 31 can rotate relatively to realize the steering action of the wheels; when the automobile passes through a pit or an obstacle protruding out of the ground, the wheels can jump relative to the frame, and the swing arm 20 is rotationally connected with the frame, so that the swing arm 20 can drive the wheels to rotate relative to the frame, and the vibration of the automobile body is reduced.

Further, in order not to damage components such as the knuckle 10 when adjusting the camber angle, the present embodiment adjusts the camber angle by adjusting the position of the ball pin assembly 30 with respect to the knuckle 10. Exemplarily, the pin seat 31 may be connected to the swing arm 20, an axial direction of the pin rod 32 is parallel to a direction of the first connection hole 11, an insertion hole connected to the pin rod 32 is provided on the knuckle 10, a fastener may be further provided between the insertion hole and the pin rod 32 for fixing the pin rod 32 in the insertion hole, wherein the fastener may be a first insertion pin, a plurality of first locking pin holes matched with the first insertion pin are provided on the pin rod 32 and the insertion hole, and the plurality of first locking pin holes may be spaced apart from each other along the axial direction of the first connection hole 11.

Before the automobile leaves a factory or after the automobile runs for a period of time, the camber angle of the wheels needs to be adjusted, so that the automobile is in a stable running state. Specifically, the staff can transfer the bolt between knuckle 10 and the damper or transfer the bolt between damper and the frame loosely, make knuckle 10 only through tie rod and frame fastening connection, the staff can take off first grafting round pin this moment, adjust the degree of depth that pin rod 32 stretched into in the grafting hole, the wheel camber angle can change along with the depth of insertion of pin rod 32, when the wheel camber angle was in predetermined within range, can screw up the bolt and peg graft first grafting round pin in first locking pinhole simultaneously, accomplish the adjustment of wheel camber angle, convenient operation is swift, high efficiency, and suspension assemblies such as knuckle 10 have been avoided knocking.

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2; fig. 4 is a schematic structural view of a portion B in fig. 3, and referring to fig. 3 and 4, the ball pin assembly 30 may include: a pin boss 31 and a pin rod 32; one end of the pin rod 32 is provided with a ball 321, the pin seat 31 is provided with a containing cavity 311 for containing the ball 321, and the other end of the pin rod 32 extends out of the pin seat 31. When the wheel of the automobile is turned, the ball 321 and the pin seat 31 can rotate relatively, and in one possible embodiment, the steering knuckle 10 is provided with a second connecting hole 12, and the second connecting hole 12 extends along the axial direction of the first connecting hole 11; the pin boss 31 is disposed in the second coupling hole 12 and is movable relative to the knuckle 10 in the axial direction of the second coupling hole 12.

Specifically, the cross-sectional shape of the second connection hole 12 may be the same as that of the pin holder 31, and the cross-sectional shape thereof may be circular, rectangular, hexagonal, or the like. The cross-sectional shape of the pin holder 31 may be different from the cross-sectional shape of the second connection hole 12, and for example, the cross-sectional shape of the second connection hole 12 may be a circle, and the cross-sectional shape of the pin holder 31 may be a closed curve having two arcs capable of contacting the second connection hole 12, and the two arcs may enable the pin holder 31 to be supported in the second connection hole 12.

Can set up the fastener between key seat 31 and the second connecting hole 12, be used for being fixed in second connecting hole 12 with key seat 31 in, wherein, the fastener can be second plug pin, all have on key seat 31 and the second connecting hole 12 simultaneously with second plug pin complex a plurality of second locking pinhole, a plurality of second locking pinhole can be followed the axis direction interval setting of first connecting hole 11, the degree of depth that stretches into second connecting hole 12 through second plug pin control key seat 31, that is to say this embodiment realizes the position control between key seat 31 for knuckle 10 through the slip between key seat 31 and the second connecting hole 12, further realize adjusting wheel camber angle, and convenient for operation.

Alternatively, in order to adjust the depth of the pin holder 31 extending into the second connection hole 12, the inner wall surface of the second connection hole 12 has a first internal thread, and the outer wall surface of the pin holder 31 has a first external thread matching the first internal thread, so that the pin holder 31 can move relative to the knuckle 10 by screwing the first internal thread and the first external thread. The staff can twist the pin boss 31 to extend into or screw out of the second connecting hole 12, the operation is convenient, and the labor intensity is low.

After the pin boss 31 is connected in the second connecting hole 12, in order to prevent the pin boss 31 from vibrating and deviating relative to the knuckle 10 during the running of the automobile, which results in the change of the camber angle, the suspension may further include: a first locking member 33 for fixing the pin boss 31 to the knuckle 10. To facilitate repeated wheel camber adjustment by the operator, the first locking member 33 may be removably attached to the ball and pin assembly 30. Illustratively, the first locking member 33 may be an elastic hoop, an elastic cushion may be disposed inside the elastic hoop, the elastic hoop is disposed at a junction between the pin seat 31 and the second connecting hole 12 and can simultaneously hold the pin seat 31 and the second connecting hole 12, optionally, the elastic hoop may have an opening, the opening may be connected by a connecting member such as a bolt, and the holding force thereof is adjusted by the bolt, so that the connection is reliable and the operation is convenient.

When the pin boss 31 is connected to the second connecting hole 12 of the knuckle 10 by a screw connection, the first locking element 33 may also be a screw locking element, for example, referring to fig. 3 and 4, the first locking element 33 may be sleeved outside the pin boss 31 and has a second internal thread capable of matching with the first external thread. The outer wall surface of the first locking member 33 may be a hexagonal prism surface, which is convenient for a worker to clamp with a tool such as a wrench. When adjusting the camber angle, can adjust the first locking piece 33 of pine, screw up first locking piece 33 after the adjustment of camber angle is accomplished, avoided the staff to dismantle first locking piece 33 repeatedly, convenient operation, low in labor strength.

After the pin seat 31 is connected to the knuckle 10, the swing arm 20 is correspondingly connected to the pin rod 32, and it can be understood that, referring to fig. 1, 3 and 4, the swing arm 20 has a third connecting hole 21 for the pin rod 32 to pass through.

Specifically, the axis of the third connecting hole 21 is parallel to the axis of the first connecting hole 11, and it can be understood that the ball pin assembly 30 further includes a fixing member for fixing the pin rod 32 to the swing arm 20, for example, the free end of the pin rod 32 may be provided with a second external thread, the outer side of the pin rod 32 is sleeved with a slotted nut 35 matched with the second external thread, and a lock pin 36 is arranged between the slotted nut 35 and the pin rod 32, the lock pin 36 fixes the slotted nut 35 to the pin rod 32, so as to realize the stable connection of the knuckle 10 to the swing arm 20.

In order to prevent the swing arm 20 from having a gap from the ground within a preset range after the knuckle 10 is connected to the frame through the suspension, the swing arm 20 and the knuckle 10 have a potential risk of colliding with a ground obstacle, and the second connecting hole 12 may be located on a side of the swing arm 20 away from the ground. In order to save space, the second connection hole 12 or the pin 32 is only required to be not lower than the lowest point of the swing arm 20, please refer to fig. 1, in this embodiment, the pin 32 may intersect with the swing arm 20, in order to facilitate dismounting the slotted nut 35 and the lock pin 36, one end of the swing arm 20 located at the third connection hole 21 may have an avoidance region 22, and the avoidance region 22 is used to avoid the pin 32. The avoiding region 22 may be a blind hole, and the gap between the pin rod 32 and the avoiding region 22 is preferably larger than the thickness of one side of the slotted nut 35; the escape area 22 may be a through hole penetrating the swing arm 20, and the through hole needs to be shaped to cover the length of the pin 32 extending out of the third connecting hole 21, the slotted nut 35, and the like, and provide an operating space for a worker to mount and dismount the slotted nut 35, the lock pin 36, and the like.

Further, referring to fig. 4, the ball pin assembly 30 further includes: and the flexible dust cover 34 is sleeved outside the pin rod 32, and the flexible dust cover 34 is sleeved outside the pin rod 32.

The flexible dust cover 34 may be made of an elastic material such as rubber, and the cross-sectional shape of the flexible dust cover 34 may be wavy, so as to improve the elastic deformation capability of the flexible dust cover 34.

The flexible dust cover 34 can be abutted between the pin seat 31 and the swing arm 20 and enclosed into a closed accommodating cavity, and lubricating oil or lubricating grease and other lubricating agents can be accommodated in the accommodating cavity, so that the ball head 321 of the pin rod 32 and the pin seat 31 can smoothly rotate, the wear of the pin rod is prevented, and the service life of the pin rod is shortened.

Example two

The present embodiment provides an automobile, which includes: a wheel and the suspension; the suspension is connected with the wheel and can change the included angle between the end face of the wheel and a vertical face perpendicular to the axis of the wheel. The embodiment provides an automobile comprising a wheel and a suspension, wherein the wheel is connected to a frame through the suspension.

Before the automobile leaves the factory or after the automobile runs for a period of time, a worker can loosen the bolt between the steering knuckle 10 and the damping component or the bolt between the damping component and the frame, so that the steering knuckle 10 is only tightly connected with the frame through the steering pull rod, then the depth of the ball pin component extending into the second connecting hole 12 in the steering knuckle 10 is adjusted, the camber angle of the wheel is adjusted, the operation is convenient and fast, the parts such as the steering knuckle 10 cannot be damaged, and the labor intensity of the worker is low. The specific structure, function and operation principle of the suspension are described in detail in the first embodiment, and are not described herein again.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A suspension, comprising: a knuckle, a swing arm, and a ball pin assembly;

the knuckle is provided with a first connecting hole, and the axis of the first connecting hole is perpendicular to the end face of a wheel so as to be used for connecting the wheel; the swing arm is used for being connected with the frame;

one end of the ball pin assembly is connected with the swing arm, and the other end of the ball pin assembly can move relative to the steering knuckle along the axis direction of the first connecting hole so as to change an included angle between the end face of the wheel and the vertical face.

2. The suspension of claim 1,

the ball pin assembly includes: a pin boss and a pin rod; the ball head is arranged at one end of the pin rod, the pin seat is provided with an accommodating cavity for accommodating the ball head, and the other end of the pin rod extends out of the pin seat.

3. The suspension according to claim 2, wherein the knuckle has a second connection hole extending in an axial direction of the first connection hole; the pin boss is arranged in the second connecting hole and can move relative to the steering knuckle along the axial direction of the second connecting hole.

4. The suspension according to claim 3, wherein the inner wall surface of the second connecting hole has a first internal thread, and the outer wall surface of the pin boss has a first external thread engaged with the first internal thread, so that the pin boss can move relative to the knuckle by the mutual screwing of the first internal thread and the first external thread.

5. The suspension of claim 4, further comprising: a first locking member for securing the pin boss to the knuckle.

6. The suspension of claim 5, wherein the first locking member is disposed about the pin boss and has a second internal thread engageable with the first external thread.

7. The suspension according to any one of claims 3-6, wherein the swing arm has a third connecting hole for the pin rod to pass through.

8. The suspension of claim 7, wherein the swing arm has an avoidance region at an end of the third attachment hole, the avoidance region being configured to avoid the pin.

9. The suspension of claim 2, wherein the ball pin assembly further comprises: and the flexible dust cover is sleeved on the outer side of the pin rod.

10. An automobile, comprising: a wheel and the suspension of any one of claims 1-9;

the suspension is connected with the wheel, and the suspension can change the included angle between the end face of the wheel and a vertical face perpendicular to the axis of the wheel.

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