CN114701308A

CN114701308A - Swing arm ball head structure, swing arm assembly and vehicle with swing arm ball head structure

Info

Publication number: CN114701308A
Application number: CN202210457307.9A
Authority: CN
Inventors: 牟然律
Original assignee: Yuhuan Xiejia Auto Parts Co ltd
Current assignee: Yuhuan Xiejia Auto Parts Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-07-05

Abstract

The invention provides a swing arm ball head structure, a swing arm assembly and a vehicle with the same, relates to the technical field of automobile accessories, and solves the problem that the existing swing arm body is inconvenient to use because the ball head assembly and the swing arm body are generally fixedly connected or integrally formed. The swing arm ball head structure comprises a ball head component and a conversion connecting structure, wherein the ball head component can be detachably arranged on a swing arm main body through the conversion connecting structure, the end part, far away from a ball pin column, of a shell of the ball head main body is connected with an eccentric part, and a limiting structure is arranged between the eccentric part and the conversion connecting structure; the conversion connection structure comprises a supporting part and a penetrating part, the supporting part is arranged between the swing arm main body and the shell, a limiting groove used for containing the limiting structure is formed in the supporting part, a locking part is arranged on the periphery of the penetrating part penetrating out of the mounting hole of the swing arm main body, an adjusting sliding groove is formed in the limiting groove and penetrates through the penetrating part, and the free end of the eccentric part is fixed through a locking device after penetrating through the adjusting sliding groove.

Description

Swing arm ball head structure, swing arm assembly and vehicle with swing arm ball head structure

Technical Field

The invention relates to the technical field of auto parts, in particular to a swing arm ball head structure, a swing arm assembly and a vehicle with the swing arm assembly.

Background

The automobile swing arm assembly is applied to a suspension system of an automobile chassis, is an important component of automobile suspension, is used for shock absorption in the automobile running process, enables the automobile to run more stably, has the function of a suspension, is used for transmitting force and torque acting between wheels and a frame, and buffering impact force transmitted to the frame or an automobile body from an uneven road surface, and attenuates shock caused by the impact force, so that the automobile can run smoothly, and meanwhile, the shaking of a user taking the automobile is reduced.

When the state of the automobile changes such as steering, braking, bumping and starting, relative motion occurs between certain automobile parts in the chassis system, such as a steering pull rod and a steering knuckle, a control arm and a frame, a stabilizing connecting rod and a stabilizing rod, so that the joints need to be connected by a ball joint, the swing arm comprises a swing arm body and a ball head assembly, and the automobile swing arm ball head assembly is a spatial hinge mechanism, and is particularly suitable for spatial hinge of the automobile steering knuckle and the swing arm.

The applicant has found that the prior art has at least the following technical problems:

the swing arm of current car in-process that uses, be fixed connection or integrated into one piece usually between the bulb assembly on the swing arm body and the swing arm body, its relative position on the swing arm body can not be adjusted after the installation of bulb assembly is accomplished, and is difficult for changing after the bulb wearing and tearing, has a great deal of inconvenience in the use.

Disclosure of Invention

The invention aims to provide a swing arm assembly and a vehicle with the same, and solves the technical problems that in the prior art, a ball head assembly on a swing arm body is usually fixedly connected or integrally formed with the swing arm body, and inconvenience exists in the use process. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to realize the purpose, the invention provides the following technical scheme:

the invention provides a swing arm ball head structure, which comprises a ball head component and a conversion connecting structure, wherein the ball head component can be detachably arranged on a swing arm main body through the conversion connecting structure, wherein:

the ball head assembly comprises a ball head body and an eccentric part, wherein the end part, far away from the ball pin column, of the shell of the ball head body is connected with the eccentric part, the axis of the eccentric part deviates from the axis of the ball head body, and a limiting structure is arranged between the eccentric part of the ball head assembly and the conversion connecting structure;

the conversion connection structure include the support and with the portion of wearing out that the support is connected, the support sets up the swing arm main part with between the shell of bulb body just be provided with on the support and be used for the holding limit structure's spacing groove wears out the mounting hole of swing arm main part the portion of wearing out periphery is provided with locking portion, locking portion with the support set up respectively in the both sides of swing arm main part and both cooperate in order to restrict the conversion connection structure motion, it just to have seted up the regulation sliding tray in the spacing groove adjust the sliding tray and run through the portion of wearing out sets up, the bulb subassembly can adjust the sliding tray in slide just the free end of eccentric portion passes it is fixed through locking device after adjusting the sliding tray.

As a further improvement of the invention, the limiting structure comprises a positioning gasket and a positioning installation part which is matched and positioned with the positioning gasket, the positioning installation part is arranged on the periphery of the end part of the eccentric part close to the ball head body, and the positioning gasket is placed in the limiting groove.

As a further improvement of the present invention, the conversion connection structure is integrally T-shaped, the support part and the penetrating part are integrally formed, the outer diameter of the support part is larger than the inner diameter of the mounting hole on the swing arm main body, and the penetrating part can be mounted in the mounting hole.

As a further improvement of the present invention, the piercing part includes a first step part and a second step part, wherein: first step portion connect set up in the support with between the second step portion, the external diameter of first step portion is less than the external diameter of support and is greater than the external diameter of second step portion, first step portion install in the mounting hole of swing arm main part, locking portion cover is located the periphery of second step portion.

As a further improvement of the present invention, the locking device includes a lock nut and a lock washer, an end portion of the eccentric portion far from the ball head body sequentially passes through the positioning washer and the adjustment sliding groove and then is locked by the lock washer and the lock nut, the lock washer and the lock nut are installed on a periphery of the eccentric portion, and the lock washer abuts against an end portion of the penetrating portion far from the supporting portion.

As a further improvement of the present invention, the eccentric portion includes an eccentric housing, the eccentric housing is fixedly connected with the outer shell of the ball head body, the periphery of the eccentric housing is fixedly provided with the positioning and mounting portion, the eccentric housing is internally provided with an oil injection passage communicated with the ball head body, an end portion of the eccentric housing, which is far away from the ball head body, is provided with a mounting hole communicated with the oil injection passage, and an oil injection nozzle is arranged inside the mounting hole.

As a further improvement of the invention, the positioning installation part is an outer hexagonal operation piece fixed on the eccentric part, and the positioning gasket is an inner dodecagonal sleeve piece.

The invention also provides a swing arm assembly, which comprises a swing arm main body and the swing arm ball head structure, wherein: the swing arm main part is "U" type, including first connecting portion, second connecting portion and third connecting portion, first connecting portion with the second connecting portion set up two free ends of swing arm main part, the third connecting portion set up the middle part of swing arm main part, first connecting portion the second connecting portion and the position relation of third connecting portion is triangular distribution, first connecting portion with all be provided with the bush on the second connecting portion, be provided with the mounting hole on the third connecting portion, the ball head subassembly can pass through conversion connection structure detachable install in mounting hole department.

As a further improvement of the invention, a first reinforcing rib and a second reinforcing rib are fixedly arranged on the swing arm main body, and the shapes of the first reinforcing rib and the second reinforcing rib correspond to the shape of the swing arm main body and are both U-shaped.

In addition, the invention also provides a vehicle which comprises the swing arm assembly.

The invention provides a swing arm ball head structure, which comprises a ball head component and a conversion connection structure, wherein the ball head component can be detachably arranged on a swing arm main body through the conversion connection structure, the ball head component is convenient to replace after being worn, an eccentric part is arranged at the end part, far away from a ball pin column, of a shell of a ball head body, the axis of the eccentric part deviates from the axis of the ball head body, the eccentric steering of a ball pin is driven by utilizing the rotation principle of an eccentric shaft, and a limit structure is arranged between the eccentric part of the ball head component and the conversion connection structure; in addition, through the arrangement of the conversion connection structure, the existing swing arm can be converted into an adjustable swing arm, so that the modification cost can be reduced for a user, and the resource waste is avoided. The conversion connection structure comprises a supporting part and a penetrating part connected with the supporting part, the supporting part is arranged between the shell of the swing arm main body and the shell of the ball head body, a limiting groove used for containing the limiting structure is formed in the supporting part, a locking part is arranged on the periphery of the penetrating part penetrating out of the mounting hole of the swing arm main body, the locking part and the supporting part are respectively arranged on two sides of the swing arm main body, the locking part and the supporting part are matched with each other to limit the movement of the conversion connection structure, an adjusting sliding groove is formed in the limiting groove, the adjusting sliding groove penetrates through the penetrating part to be arranged, the ball head assembly can slide in the adjusting sliding groove to adjust the mounting position of the ball head assembly, the ball head assembly is locked and mounted through a locking device after the position of the ball head assembly is adjusted, the position of the ball head assembly can be adjusted according to different requirements, and the use is convenient.

Drawings

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

FIG. 1 is a schematic view of a swing arm ball head structure provided by the present invention;

FIG. 2 is a schematic structural diagram of a swing arm main body provided by the present invention;

FIG. 3 is a schematic diagram of a transition junction configuration provided by the present invention;

FIG. 4 is a top view of a transition junction provided by the present invention;

FIG. 5 is a schematic structural view of a locking portion provided in the present invention;

FIG. 6 is a partial schematic view of an eccentric portion provided in the present invention.

Reference numerals: 1. a swing arm main body; 100. mounting holes; 2. converting the connection structure; 21. a support portion; 22. A piercing-out part; 221. a first step portion; 222. a second step section; 3. a ball head assembly; 31. a housing; 32. A ball stud; 321. a ball head; 322. a ball stud; 33. a ball cup seat; 34. a dust cover; 35. an eccentric portion; 4. a limiting groove; 5. a locking portion; 6. adjusting the sliding groove; 7. a lock washer; 8. locking the nut; 9. positioning the gasket; 10. positioning the mounting part; 11. an oil injection channel; 12. an oil injection nozzle; 13. a first reinforcing rib; 14. And a second reinforcing rib.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a swing arm ball 321 structure, which includes a ball assembly 3 and a conversion connection structure 2, wherein the ball assembly 3 can be detachably mounted on a swing arm main body 1 through the conversion connection structure 2.

Ball head subassembly 3 in this embodiment includes bulb body and eccentric portion 35, wherein, the bulb body includes shell 31, bulb round pin 32 and bulb seat 33, bulb round pin 32 includes ball round pin post 322 and is located the bulb 321 of ball round pin post 322 one end, the inside fixed mounting of shell 31 has bulb seat 33, the installation cavity has been seted up on the bulb seat 33, the inside of installation cavity is provided with bulb 321, the surface integration of bulb 321 is connected with outside ball round pin post 322 and the ball round pin post 322 stretches out shell 31, keep away from the tip of ball round pin post 322 and the axis setting of eccentric portion 35 fixed connection and eccentric portion 35's the skew bulb body of axis on the shell 31 of bulb body, utilize the eccentric shaft rotation principle, drive bulb round pin 32 off-centre turns to.

A limiting structure is arranged between the eccentric part 35 of the ball head component 3 and the conversion connecting structure 2, the limiting structure comprises a positioning gasket 9 and a positioning installation part 10 which is matched and positioned with the positioning gasket 9, and the positioning installation part 10 is arranged on the eccentric part 35 and close to the periphery of the end part of the ball head body; the eccentric portion 35 in this embodiment includes eccentric casing, eccentric casing and the shell 31 fixed connection of bulb body, the fixed location installation department 10 that is provided with in the periphery of eccentric casing, be equipped with the oiling passageway 11 that communicates with the bulb body in the eccentric casing, oiling passageway 11 is linked together with the installation cavity, the hole that is linked together with oiling passageway 11 is seted up to the tip of keeping away from the bulb body on the eccentric casing, the inside of mounting hole 100 is provided with nozzle 12, wherein nozzle 12 can set up in mounting hole 100 through threaded mode detachable. Lubricating oil is injected into the mounting cavity through the oil injection nozzle 12, so that the friction force between the ball head 321 and the ball head seat 33 can be reduced, the wear resistance of the ball head 321 is improved, and the service life of the ball head 321 is prolonged.

The existing swing arm main body 1 is provided with a mounting hole 100 which is generally in a circular arrangement, and when an automobile is refitted, the existing original factory swing arm can be converted into an adjustable swing arm by using the conversion connecting structure 2, so that the refitting cost can be reduced for a user, the resource waste is avoided, and the social value is created. Specifically, the conversion connection structure 2 includes a support portion 21 and a penetrating portion 22 connected to the support portion 21, the support portion 21 is disposed between the swing arm main body 1 and the housing 31 of the ball head body, a limiting groove 4 for accommodating the positioning pad 9 in the limiting structure is disposed on the support portion 21, and a locking portion 5 is disposed on the periphery of the penetrating portion 22 penetrating through the mounting hole 100 of the swing arm main body 1, wherein the locking portion 5 used in this embodiment is a hexagon socket head-mounted locking screw in the prior art. Locking portion 5 and support 21 set up respectively in the both sides of swing arm main part 1 and both cooperate in order to restrict the motion of transition connection structure 2, it sets up to have seted up in spacing groove 4 and adjusts sliding tray 6 and adjust sliding tray 6 and run through out portion 22, bulb subassembly 3 can slide in adjusting sliding tray 6, location installation department 10 on the eccentric portion 35 can cooperate in order to restrict eccentric portion 35 position with the locating washer 9 of installing on spacing groove 4, the free end of eccentric portion 35 passes through behind the regulation sliding tray 6 and fixes through locking device.

As an optional implementation manner of the present embodiment, the conversion connection structure 2 is integrally "T" shaped, the support portion 21 and the penetrating portion 22 are integrally formed, the outer diameter of the support portion 21 is greater than the inner diameter of the mounting hole 100 on the swing arm main body 1, while the penetrating portion 22 in the present embodiment includes a first step portion 221 and a second step portion 222, the first step portion 221 is connected and disposed between the support portion 21 and the second step portion 222, the outer diameter of the first step portion 221 is smaller than the outer diameter of the support portion 21 and greater than the outer diameter of the second step portion 222, the outer diameter of the first step portion 221 is slightly greater than the inner diameter of the mounting hole 100, and the outer diameter of the first step portion 221 in the present embodiment is greater than the inner diameter of the mounting hole 100 by 0.1mm, so as to implement the press mounting. The first step portion 221 is tightly fitted in the mounting hole 100 of the swing arm main body 1, and the locking portion 5 is fitted around the second step portion 222, so that the rotation of the conversion connection structure 2 is limited by the cooperation of the support portion 21 and the locking portion 5.

In the present embodiment, it is preferable that the positioning and mounting portion 10 is an outer hexagonal working member fixed to the eccentric housing, and the positioning washer 9 is an inner dodecagonal socket member. When the outer hexagonal operation piece is sleeved on the corresponding inner angle on the inner dodecagonal sleeve joint part on the limiting groove 4, the rotation of the ball head body can be limited; when the nesting relation between the external hexagonal working piece and the internal dodecagonal sleeving part on the limiting groove 4 is released, the ball head body can move and rotate. In the use process of the swing arm assembly, the orientation of the ball head assembly 3 can be adjusted according to different requirements, the applicability is wider, and the use is more convenient.

In this embodiment, an adjusting sliding groove 6 is formed in the limiting groove 4 of the positioning pad 9, so that the eccentric housing can pass through the adjusting sliding groove 6, and the positioning pad 9 can slide on the limiting groove 4 (as shown in fig. 4, the limiting groove 4 can slide up and down), so that the ball head assembly 3 can be driven to slide in the adjusting sliding groove 6, and the position of the ball head assembly 3 can be adjusted. The adjusting sliding groove 6 in this embodiment includes a rectangular groove and two semicircular grooves, and the two ends of the rectangular groove along the length direction are respectively communicated with the semicircular grooves. The end of the eccentric shell passes through the adjusting sliding groove 6 and then is locked and fixed by a locking device. The locking device comprises a locking nut 8 and a locking washer 7, the end part of the eccentric part 35 far away from the ball head body sequentially penetrates through a positioning washer 9 and an adjusting sliding groove 6 and then is locked through the locking washer 7 and the locking nut 8, the locking washer 7 and the locking nut 8 are installed on the periphery of the eccentric shell, and the locking washer 7 is abutted to the end part of the penetrating part 22 far away from the supporting part 21.

The invention also provides a swing arm assembly which comprises a swing arm main body 1 and the swing arm ball head 321 structure. In this embodiment, the swing arm main body 1 is "U" type to make the wholeness ability and the use of swing arm main body 1 more convenient. Swing arm main part 1 includes first connecting portion, second connecting portion and third connecting portion, first connecting portion and second connecting portion set up the both ends at swing arm main part 1, the third connecting portion set up the middle part at swing arm main part 1, first connecting portion, the position relation of second connecting portion and third connecting portion is triangular distribution, all be provided with the bush on first connecting portion and the second connecting portion, be provided with mounting hole 100 on the third connecting portion, bulb subassembly 3 can be installed in mounting hole 100 department through conversion connection structure 2 detachable. It should be noted that the first connecting portion and the second connecting portion are disposed at two free ends of the swing arm main body 1.

In addition, the swing arm body in this embodiment adopts the aluminum material for alleviate the weight of swing arm main part 1, improve the toughness of swing arm main part 1, practice thrift the consumptive material. Further, in the present embodiment, the swing arm main body 1 is fixedly provided with the first reinforcing rib 13 and the second reinforcing rib 14, and the shapes of the first reinforcing rib 13 and the second reinforcing rib 14 correspond to the shape of the swing arm main body 1, and both are U-shaped. Through the setting of first strengthening rib 13 and second strengthening rib 14, strengthened swing arm main part 1's tensile strength, improved the stability that swing arm main part 1 used, increased the firm nature of swing arm main part 1 structure.

Referring to fig. 1, the ball head body further includes a dust cover 34, and the dust cover 34 can effectively isolate dust from the housing, so as to prevent the dust from blocking the ball head pin 32. Specifically, a groove is formed in the housing 31 of the ball head body, one end of the dust cover 34 is fixed in the groove through a clamp, and the other end of the dust cover 34 is connected with the ball stud 322.

In addition, the invention also provides a vehicle which comprises the swing arm assembly, so that the vehicle also has corresponding technical effects.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a swing arm bulb structure, its characterized in that, includes bulb subassembly and conversion connection structure, the bulb subassembly can pass through conversion connection structure detachable installs in the swing arm main part, wherein:

2. The swing arm ball head structure of claim 1, wherein the limiting structure comprises a positioning gasket and a positioning installation part matched and positioned with the positioning gasket, the positioning installation part is arranged on the periphery of the end part of the eccentric part close to the ball head body, and the positioning gasket is placed in the limiting groove.

3. The swing arm ball head structure of claim 1, wherein the conversion connection structure is integrally T-shaped, the support part and the penetrating part are integrally formed, the outer diameter of the support part is larger than the inner diameter of the mounting hole in the swing arm main body, and the penetrating part can be mounted in the mounting hole.

4. The swing arm ball head structure of claim 3, wherein the piercing portion comprises a first step portion and a second step portion, wherein:

first step portion connect set up in the support with between the second step portion, the external diameter of first step portion is less than the external diameter of support and is greater than the external diameter of second step portion, first step portion install in the mounting hole of swing arm main part, locking portion cover is located the periphery of second step portion.

5. The swing arm ball head structure of claim 2, wherein the locking device comprises a locking nut and a locking washer, the end of the eccentric portion far from the ball head body sequentially passes through the positioning washer and the adjusting sliding groove and then is locked by the locking washer and the locking nut, the locking washer and the locking nut are mounted on the periphery of the eccentric portion, and the locking washer abuts against the end of the penetrating portion far from the supporting portion.

6. The swing arm ball head structure of claim 2, wherein the eccentric portion comprises an eccentric housing, the eccentric housing is fixedly connected with a housing of the ball head body, the positioning and mounting portion is fixedly arranged on the periphery of the eccentric housing, an oil injection channel communicated with the ball head body is arranged in the eccentric housing, a mounting hole communicated with the oil injection channel is formed in the end portion, far away from the ball head body, of the eccentric housing, and an oil injection nozzle is arranged inside the mounting hole.

7. The swing arm ball head structure of claim 2 or 6, wherein the positioning installation part is an outer hexagonal operation piece fixed on the eccentric part, and the positioning gasket is an inner dodecagonal socket piece.

8. A swing arm assembly, comprising a swing arm main body and a swing arm ball head structure of any one of claims 1 to 7, wherein:

the swing arm main part is "U" type, including first connecting portion, second connecting portion and third connecting portion, first connecting portion with the second connecting portion set up two free ends of swing arm main part, the third connecting portion set up the middle part of swing arm main part, first connecting portion the second connecting portion and the position relation of third connecting portion is triangular distribution, first connecting portion with all be provided with the bush on the second connecting portion, be provided with the mounting hole on the third connecting portion, the ball head subassembly can pass through conversion connection structure detachable install in mounting hole department.

9. The swing arm assembly of claim 8, wherein the swing arm main body is fixedly provided with a first reinforcing rib and a second reinforcing rib, and the shapes of the first reinforcing rib and the second reinforcing rib correspond to the shape of the swing arm main body and are both U-shaped.

10. A vehicle comprising the swing arm assembly of claim 8 or 9.