CN216554930U

CN216554930U - Ball pin structure and vehicle

Info

Publication number: CN216554930U
Application number: CN202122446382.9U
Authority: CN
Inventors: 王凤仙; 杨炎; 王大娃; 丁良奇
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-17
Anticipated expiration: 2031-10-11

Abstract

The application discloses ball round pin structure belongs to vehicle technical field. The ball pin structure comprises a ball rod, a ball seat and a bottom plate, wherein the ball rod is connected with the ball seat, and the ball seat is connected with the bottom plate and matched with the bottom plate to form a first accommodating cavity; the ball rod comprises a ball head and a connecting rod, the ball head and the connecting rod are fixedly connected or integrally formed, and the ball head is positioned in the first accommodating cavity; one of the ball seat and the bottom plate is provided with a groove, the other one of the ball seat and the bottom plate is provided with a bulge, the groove is matched with the bulge, and the groove is matched with the bulge and then used for reducing the oil seepage speed. The embodiment of the application has the beneficial effect of reducing the grease extravasation speed.

Description

Ball pin structure and vehicle

Technical Field

The application belongs to the technical field of vehicles, concretely relates to ball round pin structure and vehicle.

Background

Ball and pin arrangements are widely used in independent suspension systems, with the control arm or thrust rod often being connected to other components by a ball and pin arrangement at the end. The main function of the ball pin structure is to realize up-and-down jumping and steering movement of the wheels.

In the prior art, the ball pin structure mainly comprises an end cover, a ball pin, a ball seat and a dust cover, wherein a bottom plate of the ball pin structure is usually in press-riveting fit with a shell of the ball pin structure.

However, due to manufacturing tolerance, a certain gap still exists after riveting, and slight oil leakage occurs in the movement process of parts.

SUMMERY OF THE UTILITY MODEL

The purpose of the embodiment of the application is to provide a ball pin structure and vehicle, can solve the problem that the grease of ball pin structure oozes a little among the prior art.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, the present application provides a ball pin structure, which includes a ball rod, a ball seat and a bottom plate, wherein the ball rod is connected with the ball seat, and the ball seat is connected with the bottom plate and forms a first accommodating cavity in a matching manner;

the ball rod comprises a ball head and a connecting rod, the ball head and the connecting rod are fixedly connected or integrally formed, and the ball head is located in the first accommodating cavity;

one of the ball seat and the bottom plate is provided with a groove, the other one of the ball seat and the bottom plate is provided with a bulge, the groove is matched with the bulge, and the groove is matched with the bulge and then used for reducing the oil seepage speed.

In a second aspect, embodiments of the present application provide a vehicle including a ball and pin structure as described above.

In an embodiment of the present application, the sole plate cooperates with the ball seat to form a first receiving cavity for receiving an end of a club. The club comprises bulb and connecting rod, and the bulb is at least partly in first holding the intracavity, and the club drives the bulb and does limited motion in first holding the intracavity. The bottom of the ball seat connected with the bottom plate is provided with a groove, the connecting surface of the bottom plate connected with the ball seat is provided with a bulge, and the groove and the bulge are used for connecting the ball seat with the bottom plate in a matching way; or the bottom of the ball seat connected with the bottom plate is provided with a protrusion, the connection surface of the bottom plate connected with the ball seat is provided with a groove, the protrusion and the groove are used for connecting the ball seat with the bottom plate in a matched manner, and the groove is matched with the protrusion. After the grooves and the protrusions are matched in a staggered mode, the oil seepage stroke can be increased, and the oil seepage speed is reduced; and can improve the leakproofness of bottom plate and ball seat connection through recess and protruding mutual extrusion, further reduce grease infiltration speed. The embodiment of the application has the beneficial effect of reducing the grease extravasation speed.

Drawings

FIG. 1 is a schematic diagram of an exploded view of a ball pin structure in an embodiment of the present application;

FIG. 2 is a general schematic view of a ball pin structure in an embodiment of the present application;

FIG. 3 is a schematic view of a ball seat of a ball pin structure in an embodiment of the present application;

FIG. 4 is a schematic bottom plate of the ball pin structure in an embodiment of the present application;

fig. 5 is a mating cross-sectional view of the ball pin structure in an embodiment of the present application.

Description of reference numerals:

10. a ball bar; 11. a ball head; 12. a connecting rod; 20. a ball seat; 30. a base plate; 40. a first accommodating chamber; 50. a groove; 60. a protrusion; 70. a through hole; 80. a fat storage tank; 90. a spherical shell; 91. mounting grooves; 92. a shoulder is formed; 100. a second receiving chamber.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The ball pin structure and the vehicle provided by the embodiments of the present application will be described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present application provides a ball pin structure including a club 10, a ball seat 20 and a base plate 30, the club 10 being connected to the ball seat 20, the ball seat 20 being connected to the base plate 30 and cooperating to form a first receiving cavity 40;

the club 10 comprises a ball head 11 and a connecting rod 12, the ball head 11 and the connecting rod 12 are fixedly connected or integrally formed, and the ball head 11 is positioned in the first accommodating cavity 40;

one of the ball seat 20 and the bottom plate 30 is provided with a groove 50, the other is provided with a protrusion 60, the groove 50 is matched with the protrusion 60, and the groove 50 is matched with the protrusion 60 to reduce the grease infiltration speed.

In the present embodiment, the base plate 30 and the ball seat 20 cooperate to form a first receiving cavity 40, and the first receiving cavity 40 is used for receiving one end of the club 10. The cue 10 is composed of a ball head 11 and a connecting rod 12, the ball head 11 is at least partially positioned in the first accommodating cavity 40, and the cue 10 drives the ball head 11 to make limited movement in the first accommodating cavity 40. The bottom of the ball seat 20 connected with the bottom plate 30 is provided with a groove 50, the connection surface of the bottom plate 30 connected with the ball seat 20 is provided with a bulge 60, and the groove 50 and the bulge 60 are used for matching and connecting the ball seat 20 with the bottom plate 30; or, the bottom of the ball seat 20 connected with the bottom plate 30 is provided with a protrusion 60, the connection surface of the bottom plate 30 connected with the ball seat 20 is provided with a groove 50, the protrusion 60 and the groove 50 are used for connecting the ball seat 20 with the bottom plate 30 in a matching way, and the groove 50 is matched with the protrusion 60. After the grooves 50 and the protrusions 60 are matched in a staggered manner, the oil seepage stroke can be increased, so that the oil seepage speed is reduced; and the grooves 50 and the protrusions 60 can be pressed against each other, so that the sealing performance of the connection between the base plate 30 and the ball seat 20 is improved, and the grease infiltration speed is further reduced. The embodiment of the application has the beneficial effect of reducing the grease extravasation speed.

The ball seat 20 is hollow and has two open ends, the ball seat 20 is fitted over one end of the club 10, and the sole 30 is provided at one open end of the ball seat 20. The first accommodating cavity 40 is internally provided with ball pin grease which plays a role in lubricating during the movement of the ball rod 10, so that abnormal sound caused by dry friction is avoided when the ball head 11 moves in the first accommodating cavity 40.

Optionally, in the embodiment of the present application, the junction of the ball seat 20 with respect to the bottom plate 30 is provided with at least one groove 50, and the junction of the bottom plate 30 with respect to the ball seat 20 is provided with at least one protrusion 60; alternatively, the first and second electrodes may be,

the junction of the ball seat 20 with respect to the base plate 30 is provided with at least one protrusion 60, and the junction of the base plate 30 with respect to the ball seat 20 is provided with at least one groove 50;

the grooves 50 and the protrusions 60 are the same in number and correspond to each other one by one.

In the embodiment of the present application, a groove 50 is formed at a connection position of the ball seat 20 relative to the bottom plate 30, and a protrusion 60 is formed on the bottom plate 30 connected to the ball seat 20, in practical application, when the groove 50 and the protrusion 60 are matched, the protrusion 60 fills the groove 50, and an interference fit can be formed between the groove 50 and the protrusion 60; or, the joint of the ball seat 20 relative to the base plate 30 is provided with a protrusion 60, and the base plate 30 connected with the ball seat 20 is provided with a groove 50, in practical application, when the groove 50 is matched with the protrusion 60, the protrusion 60 fills the groove 50, and the groove 50 and the protrusion 60 can also be in interference fit; or, the ball seat 20 and the bottom plate 30 are both provided with the protrusion 60 and the groove 50, and the ball seat 20 and the bottom plate 30 can be connected by the protrusion 60 and the groove 50 in a matching manner, for example, the groove 50 and the protrusion 60 are provided on the ball seat 20 at intervals, the protrusion 60 and the groove 50 are provided on the bottom plate 30 connected with the ball seat 20 at intervals, the groove 50 and the protrusion 60 on the ball seat 20 are respectively matched with the protrusion 60 and the groove 50 on the bottom plate 30, in practical application, when the groove 50 and the protrusion 60 are matched, the groove 50 is filled by the protrusion 60, and the groove 50 and the protrusion 60 can also be in an interference fit, which is not limited in this embodiment. The mating connection of the at least one groove 50 and the projection 60 has the beneficial effect of blocking the seepage of ball pin grease from the first receiving cavity 40.

It should be noted that, the number of the grooves 50 and the protrusions 60 is determined according to the circumstances, and this embodiment is not limited in any way, the number of the grooves 50 and the protrusions 60 is the same, and the grooves 50 and the protrusions 60 are matched to achieve a tight fit between the ball seat 20 and the bottom plate 30.

Optionally, in the embodiment of the present application, the groove 50 and the protrusion 60 are both annular structures, and a through hole 70 is provided on a side of the ball seat 20 facing away from the connecting rod 12, and the annular structure surrounds the through hole 70.

In the embodiment of the present application, the groove 50 and the protrusion 60 are used to realize the matching of the ball seat 20 and the bottom plate 30, and the groove 50 and the protrusion 60 of the annular structure are centered on the through hole 70 and surround the outside of the through hole 70, so that grease in the first container can be prevented from continuously seeping in the first time, and the beneficial effect of reducing the grease seepage speed is achieved.

Optionally, in the present embodiment, a grease storage groove 80 is formed at the periphery of the portion where the bottom plate 30 is engaged with the ball seat 20.

In this application embodiment, hold fat groove 80 for setting up the peripheral annular cell body of closed of bottom plate 30 and ball seat 20 cooperation department, hold fat groove 80 and be used for the ball round pin grease of surviving from ball seat 20 and bottom plate 30 junction, have the beneficial effect that reduces grease exosmosis speed.

It should be noted that at least one grease storage groove 80 is provided, and at least one grease storage groove 80 is sequentially sleeved outside the protrusion 60 or the groove 50 with the through hole 70 as the center.

It should be noted that the greater the number of grease reservoir grooves 80, the greater the amount of grease that can be retained by the oozed ball pin grease, and the better the effect of reducing the grease oozing speed.

Optionally, in this embodiment of the present application, the ball pin structure includes a ball housing 90, the ball housing 90 is connected to the bottom plate 30 in a matching manner to form a second accommodating cavity 100, and the ball seat 20 is disposed in the second accommodating cavity 100.

In this application embodiment, the second holds chamber 100 and is connected and form through spherical shell 90 and bottom plate 30 cooperation, and the second holds chamber 100 and is used for holding ball seat 20, and the second holds the inner peripheral surface of chamber 100 and the surface smooth transition of ball seat 20, avoids producing the clearance between ball seat 20 and the spherical shell 90, and spherical shell 90 and ball seat 20 area of contact are abundant for ball round pin structure moment conduction is stable, reliable, has the beneficial effect that improves ball round pin structural stability.

Optionally, in the embodiment of the present application, a mounting groove 91 is provided at the fitting position of the spherical shell 90 and the bottom plate 30, and the bottom plate 30 is at least partially located in the mounting groove 91;

the periphery of the bottom plate 30 is provided with a sealing ring, and the sealing ring is located in the mounting groove 91.

In this application embodiment, the one end accessible of spherical shell 90 near bulb 11 is encapsulated by any suitable mode, preferably, the one end that spherical shell 90 is close to bulb 11 adopts bottom plate 30 to be connected through the cooperation of mounting groove 91 with spherical shell 90, and the bottom plate 30 of part setting in mounting groove 91 can avoid bulb 11 to receive external disturbance in the motion process, can also avoid ball round pin grease to flow out from bottom plate 30, has the beneficial effect that reduces grease infiltration speed.

The bottom plate 30 and the sealing ring may be integrally provided, or may be fixedly connected by bonding, welding, riveting, or the like, which is not limited in this embodiment.

Optionally, in the embodiment of the present application, a shoulder 92 is provided at the connection between the ball housing 90 and the ball seat 20, and the shoulder 92 is used for preventing the ball seat 20 from sliding out of the second receiving cavity 100.

In the embodiment of the present application, a shoulder 92 is provided on the ball housing 90, the shoulder 92 and the ball seat 20 abut against each other, the shoulder 92 is used for preventing the ball seat 20 from sliding out of the second receiving cavity 100 during the movement of the club 10, and the presence of the shoulder 92 plays a role of fixing the position of the ball seat 20, and the embodiment of the present application has a beneficial effect of preventing the ball housing 90 from sliding out of the ball housing 90.

Optionally, in the embodiment of the present application, the sealing ring is integrally provided with the bottom plate 30.

In the embodiment of the present application, the sealing ring and the bottom plate 30 are integrally formed by vulcanization, and the integrally formed sealing ring and the bottom plate 30 have the beneficial effect of preventing grease leakage of the ball pin.

The seal ring may be fixedly connected to the bottom plate 30 by means of bonding, riveting, bolting, or the like, which is not limited in this embodiment.

Optionally, in an embodiment of the present application, the sealing ring is any one of nitrile rubber, silicone rubber, or natural rubber.

In this application embodiment, the sealing washer has certain elasticity, will take place certain deformation when receiving external force, produce certain deformation volume, as shown in fig. 5, when bottom plate 30 is connected with the cooperation of spherical shell 90, the sealing washer with bottom plate 30 contact receives the external force that comes from spherical shell 90, the sealing washer produces certain deformation volume for the cooperation between bottom plate 30 and the spherical shell 90 is inseparabler, play the effect that prevents ball round pin grease and ooze, has the beneficial effect that reduces grease exosmosis speed.

It should be noted that the sealing ring may be made of other materials with certain elasticity, and the main purpose of the sealing ring is to automatically improve the sealing performance between the bottom plate 30 and the ball housing 90 along with the increase of the pressure so as to prevent grease leakage from the ball pin.

Optionally, in an embodiment of the present application, there is provided a vehicle including the ball and pin structure as described above.

In the embodiment of the present application, the vehicle includes the ball pin structure described in the above embodiment, and the advantageous effects of the vehicle are consistent with the advantageous effects of the ball pin structure described above. The vehicle with the ball pin structure comprises a ball seat 20, wherein the ball seat is hollow and has two open ends, the ball seat 20 is sleeved at one end of the ball rod 10, a bottom plate 30 is arranged at one open end of the ball seat 20, the bottom plate 30 is matched with the ball seat 20 to form a first accommodating cavity 40, and the first accommodating cavity 40 is used for accommodating one end of the ball rod 10. The ball rod 10 comprises ball head 11 and connecting rod 12, and ball head 11 is at least partly in first holding chamber 40, and ball rod 10 drives ball head 11 and makes limited motion in first holding chamber 40, still has the ball pin grease in first holding chamber 40, and the ball pin grease plays lubricated effect in ball rod 10 motion process, makes ball head 11 avoid producing the abnormal sound because dry friction when first holding chamber 40 internal motion. The bottom of the ball seat 20 connected with the bottom plate 30 is provided with a groove 50, the connection surface of the bottom plate 30 connected with the ball seat 20 is provided with a bulge 60, and the groove 50 and the bulge 60 are used for matching and connecting the ball seat 20 with the bottom plate 30; or, the bottom of the ball seat 20 connected with the bottom plate 30 is provided with a protrusion 60, the connection surface of the bottom plate 30 connected with the ball seat 20 is provided with a groove 50, the protrusion 60 and the groove 50 are used for connecting the ball seat 20 with the bottom plate 30 in a matching way, and the groove 50 is matched with the protrusion 60. The embodiment of the application has the beneficial effect of reducing the grease extravasation speed.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The ball pin structure is characterized by comprising a ball rod, a ball seat and a bottom plate, wherein the ball rod is connected with the ball seat, and the ball seat is connected with the bottom plate and matched with the bottom plate to form a first accommodating cavity;

2. A ball and socket arrangement as claimed in claim 1, wherein the junction of the ball seat with respect to the base plate is provided with at least one recess and the junction of the base plate with respect to the ball seat is provided with at least one projection; alternatively, the first and second electrodes may be,

the joint of the ball seat relative to the bottom plate is provided with at least one bulge, and the joint of the bottom plate relative to the ball seat is provided with at least one groove;

the grooves and the protrusions are the same in number and correspond to each other one by one.

3. A ball and socket arrangement as claimed in claim 2, wherein the recess and the projection are each of annular configuration, and wherein a through hole is provided in a side of the ball seat facing away from the connecting rod, the annular configuration surrounding the through hole.

4. The ball and socket arrangement of claim 3, wherein a grease reservoir is provided around the periphery of the base plate where it engages the ball seat.

5. The ball and socket arrangement of claim 4, wherein said ball and socket arrangement includes a ball housing, said ball housing being cooperatively engaged with said base plate, said ball housing cooperating with said base plate to form a second receiving cavity, said ball seat being disposed within said second receiving cavity.

6. The ball and socket arrangement of claim 5, wherein the mating of said ball housing and said bottom plate is provided with a mounting groove, said bottom plate being at least partially within said mounting groove;

the periphery of the bottom plate is provided with a sealing ring, and the sealing ring is located in the mounting groove.

7. The ball and socket arrangement of claim 6, wherein the junction of the ball housing and the ball seat is provided with a shoulder for preventing the ball seat from sliding out of the second receiving cavity.

8. The ball and socket arrangement of claim 7, wherein said seal ring is integral with said bottom plate.

9. The ball pin structure of claim 8, wherein the seal ring is any one of nitrile rubber, silicone rubber, or natural rubber.

10. A vehicle characterized by comprising a ball and socket arrangement according to any one of claims 1 to 9.