CN214325218U

CN214325218U - Automobile support rod assembly

Info

Publication number: CN214325218U
Application number: CN202120445624.XU
Authority: CN
Inventors: 黄华燕
Original assignee: Taizhou Ouxing Machinery Co ltd
Current assignee: Taizhou Ouxing Machinery Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-01
Anticipated expiration: 2031-03-01

Abstract

The utility model provides an automobile support rod assembly belongs to auto-parts technical field. It has solved the short-lived scheduling problem of current car bracing piece assembly. This automobile support rod assembly includes the body of rod, the equal threaded connection in both ends of the body of rod has the screw rod rather than coaxial setting, the screw thread at body of rod both ends is revolved to the opposite, the outer end that two screw rods stretch out the body of rod has all vulcanized and has linked firmly the rubber sleeve, two rubber sleeves all insert in the connecting seat with the coaxial setting of the body of rod, all install the bulb round pin in two connecting seats have the installation cavity and two installation cavities, the equal cladding of bulb portion of the connecting seat that corresponds and two bulb round pins is located the ball bowl in the installation cavity in the pole portion of two bulb round pins, all be equipped with the elastic component between two ball bowls and the connecting seat that corresponds, the bottom of two ball bowls all has the logical oilhole that link up, two connecting seats all have the oil storage blind hole that communicates in logical oilhole. The utility model has the advantages of good applicability, good vibration damping effect, long service life and the like.

Description

Automobile support rod assembly

Technical Field

The utility model belongs to the technical field of auto-parts, a vehicle chassis spare, in particular to automobile support pole assembly is related to.

Background

The automobile support rod assembly is an automobile chassis part and is used for connecting the automobile frame and the wheel hub and playing a role in auxiliary support. Chinese patent literature discloses a durable automobile tie rod assembly structure [ application number: 201520430491.3, respectively; authorization notice number: CN204821695U ], it includes the tie rod main part, belleville spring, go up the ball bowl, ball bowl and bulb round pin down, tie rod main part one end is equipped with bulb round pin installation cavity, ball bowl and last ball bowl have set gradually from interior to exterior in the bulb round pin installation cavity, the tie rod main part passes through last ball bowl and ball bowl down in the bulb round pin installation cavity and is connected with the ball head cooperation of bulb round pin one end, the bulb round pin other end links to each other with steering joint, the tie rod main part other end is equipped with the screw thread, the tie rod main part passes through the screw thread and links to each other with the steering gear rack axle, lower ball bowl basal plane and the bulb round pin installation cavity of tie rod main part between be equipped with belleville spring.

The structure of vapour car bracing piece assembly with above-mentioned patent is the same basically, and the different place lies in the pole body other end of vapour car bracing piece assembly and also is equipped with the bulb round pin, and the length of the pole body of current vapour car bracing piece assembly is fixed, can only be applicable to a motorcycle type, and application scope is little, and the damping effect is not good moreover, influences the travelling comfort of driving, and the lubricity of bulb round pin department is not good in addition, and the unable compensation wearing and tearing clearance of bulb round pin can loose abnormal sound after using a period, and life is short.

Disclosure of Invention

The utility model aims at providing a car bracing piece assembly that the suitability is good, the damping is effectual, long service life to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automobile support rod assembly, includes the body of rod, its characterized in that, the equal threaded connection in both ends of the body of rod have rather than the screw rod of coaxial setting, the screw thread of body of rod both ends revolve to opposite, the outer end that two screw rods stretched out the body of rod all vulcanizes and has linked firmly the rubber sleeve, two rubber sleeves all insert fixedly with the connecting seat of the coaxial setting of the body of rod in, all install the bulb round pin in two connecting seats all have installation cavity and two installation cavities, the equal cladding of bulb portion of the connecting seat that corresponds and two bulb round pins in the pole portion of two bulb round pins has the ball bowl that is located the installation cavity, all be equipped with the elastic component between two ball bowls and the corresponding connecting seat, the bottom of two ball bowls all has the logical oilhole that link up, two connecting seats all have the oil storage blind hole that feeds through in logical oilhole.

In the automobile support rod assembly, the end part of the screw rod, which is positioned in the connecting seat, is provided with a convex shoulder which protrudes radially, the rubber sleeve is provided with a coating part which coats the convex shoulder, the connecting seat is riveted with a steel sleeve which is positioned between the rubber sleeve and the connecting seat, the steel sleeve is vulcanized and fixedly connected with the rubber sleeve, and the convex shoulder is abutted by the inner end of the steel sleeve when the screw rod axially moves.

In the above automobile support rod assembly, the connecting seat has a step for supporting the elastic member, the top end of the elastic member abuts against the bottom of the ball bowl, and the elastic member is a disc spring or an annular rubber ring.

In foretell automobile support pole assembly, the oil storage blind hole in be equipped with the spring, the lower extreme of spring is contradicted in the hole bottom of oil storage blind hole, the upper end of spring is contradicted in the bottom of ball bowl, the middle part welding of spring have and be the circular shape steel sheet, the external diameter of steel sheet is less than the internal diameter of oil storage blind hole.

In the automobile support rod assembly, the ball bowl comprises a molybdenum disulfide phenolic resin outer layer and a molybdenum disulfide phenolic resin inner layer, and a polyester fiber cloth layer is arranged between the molybdenum disulfide phenolic resin outer layer and the molybdenum disulfide phenolic resin inner layer.

In the automobile support rod assembly, the connecting seat is fixedly connected with a dust cover, and the upper end of the dust cover is sealed on the rod part of the ball pin.

Compared with the prior art, the automobile support rod assembly is adjustable in length, good in applicability, good in buffering and vibration damping performance, good in driving comfort, good in lubricating performance, capable of avoiding loose abnormal sound and long in service life.

Drawings

Fig. 1 is a structural sectional view of the support rod assembly for the vehicle.

FIG. 2 is a cross-sectional view of the structure of the ball stud of the vehicle support rod assembly.

FIG. 3 is a sectional view of the structure of the support rod assembly of the present vehicle at the location of the screw.

Fig. 4 is an enlarged view of a portion a of the circle in fig. 2.

In the figure, 1, a rod body; 2. a screw; 21. a shoulder is formed; 3. a rubber sleeve; 31. a covering part; 4. a connecting seat; 41. oil storage blind holes; 5. a ball stud; 51. a rod portion; 52. a ball head portion; 6. a ball bowl; 61. an outer layer of molybdenum disulfide phenolic resin; 62. an inner layer of molybdenum disulfide phenolic resin; 63. a polyester fiber cloth layer; 64. an oil through hole; 7. a rubber ring; 8. steel jacket; 9. a spring; 10. a steel plate; 11. a dust cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, the automobile support rod assembly includes a rod body 1, two symmetrical planes are arranged in the middle of the rod body 1, the two planes are used for clamping a wrench or a caliper, the rod body 1 is convenient to rotate, two ends of the rod body 1 are in threaded connection with screws 2 coaxially arranged therewith, the thread turning directions of the two ends of the rod body 1 are opposite, the outer ends of the two screws 2 extending out of the rod body 1 are vulcanized and fixedly connected with rubber sleeves 3, the two rubber sleeves 3 are fixedly inserted into connecting seats 4 coaxially arranged with the rod body 1, the two connecting seats 4 are respectively provided with a mounting cavity, ball pins 5 are respectively mounted in the two mounting cavities, rod parts 51 of the two ball pins 5 respectively extend out of the corresponding connecting seats 4, ball heads 52 of the two ball pins 5 are respectively coated with ball bowls 6 located in the mounting cavities, an elastic member is arranged between the two ball bowls 6 and the corresponding connecting seats 4, the bottoms of the two ball bowls 6 are respectively provided with through oil holes 64, the two connecting seats 4 are provided with oil storage blind holes 41 communicated with the oil through holes 64.

The automobile support rod assembly changes the axial length of the automobile support rod assembly by rotating the rod body 1 and driving the two screw rods 2 to mutually approach or separate, thereby being suitable for automobile types with different size requirements and having good applicability; the two rubber sleeves 3 play a role in buffering and damping vibration, reduce the vibration transmitted to the frame from the ground and improve the travelling comfort; the elastic component provides elasticity and makes ball bowl 6 contact with in bulb portion 52 all the time, plays the effect in compensation wearing and tearing clearance, avoids loose abnormal sound, and oil storage blind hole 41 is used for saving lubricating grease, and lubricating grease gets into between ball bowl 6 and the bulb portion 52 through logical oilhole 64, guarantees lubricated effect, reducing wear, long service life.

In more detail, the end part of the screw rod 2, which is positioned in the connecting seat 4, is provided with a convex shoulder 21 which protrudes radially, the rubber sleeve 3 is provided with a coating part 31 which coats the convex shoulder 21, the connecting seat 4 is riveted with a steel sleeve 8 which is positioned between the rubber sleeve 3 and the connecting seat 4, the steel sleeve 8 is vulcanized and fixedly connected with the rubber sleeve 3, when the screw rod 2 moves axially, the inner end of the steel sleeve 8 is abutted by the convex shoulder 21, the screw rod 2 cannot be separated from the connecting seat 4, the connection stability is good, the coating part 31 plays a role in buffering and damping, and abnormal sound is prevented from being generated when the convex shoulder 21 touches the connecting seat 4 or the steel sleeve 8; the connecting seat 4 has a step for supporting an elastic member, the top end of the elastic member abuts against the bottom of the ball bowl 6, the elastic member is an annular rubber ring 7 in this embodiment, and the elastic member may be a disc spring during actual manufacturing.

Be equipped with spring 9 in the oil storage blind hole 41, spring 9's lower extreme is contradicted in the hole bottom of oil storage blind hole 41, and spring 9's upper end is contradicted in the bottom of ball bowl 6, and spring 9's middle part welding has and is circular shape steel sheet 10, and the external diameter of steel sheet 10 is less than the internal diameter of oil storage blind hole 41. The elasticity of spring 9 plays the effect of supporting ball bowl 6, can compensate the wearing and tearing clearance of ball bowl 6, receives the vibration moreover, and steel sheet 10 can shift to push lubricating grease so that lubricating grease gets into oil through hole 64 more easily, guarantee the lubricity between ball bowl 6 and bulb portion 52.

The ball bowl 6 comprises a molybdenum disulfide phenolic resin outer layer 61 and a molybdenum disulfide phenolic resin inner layer 62, wherein a polyester fiber cloth layer 63 is arranged between the molybdenum disulfide phenolic resin outer layer 61 and the molybdenum disulfide phenolic resin inner layer 62. The molybdenum disulfide phenolic resin outer layer 61 and the molybdenum disulfide phenolic resin inner layer 62 have good friction performance and are not easy to wear, and the polyester fiber cloth layer 63 improves the flexibility and the compression resistance of the structure, so that the ball bowl 6 is good in bearing performance and long in service life.

Connecting seat 4 has linked firmly dust cover 11, and the outer wall interference fit ground cover of connecting seat 4 is equipped with the steel loop in this embodiment, and the lower extreme of dust cover 11 is by the steel loop centre gripping, and the upper end lock hoop of dust cover 11 is in order to seal in pole portion 51 of bulb round pin 5. The dust cover 11 plays a role in dust prevention and water prevention, impurities are prevented from entering between the ball head part 52 and the ball bowl 6, abrasion is reduced, corrosion is avoided, and the service life is prolonged.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An automobile support rod assembly comprises a rod body (1) and is characterized in that two ends of the rod body (1) are in threaded connection with screws (2) coaxially arranged with the rod body, the thread turning directions of the two ends of the rod body (1) are opposite, the outer ends of the two screws (2) extending out of the rod body (1) are vulcanized and fixedly connected with rubber sleeves (3), the two rubber sleeves (3) are fixedly inserted into connecting seats (4) coaxially arranged with the rod body (1), the two connecting seats (4) are respectively provided with a mounting cavity, ball pins (5) are respectively arranged in the two mounting cavities, rod parts (51) of the two ball pins (5) extend out of the corresponding connecting seats (4), ball heads (52) of the two ball pins (5) are respectively coated with ball bowls (6) positioned in the mounting cavities, elastic parts are respectively arranged between the two ball bowls (6) and the corresponding connecting seats (4), and the bottoms of the two ball holes (6) are respectively provided with through oil holes (64), the two connecting seats (4) are provided with oil storage blind holes (41) communicated with the oil through holes (64).

2. The automotive support rod assembly according to claim 1, characterized in that the end of the screw (2) in the connecting seat (4) is provided with a radially protruding shoulder (21), the rubber sleeve (3) is provided with a cladding part (31) cladding the shoulder (21), the connecting seat (4) is riveted with a steel sleeve (8) between the rubber sleeve (3) and the connecting seat (4), the steel sleeve (8) is fixedly connected with the rubber sleeve (3) in a vulcanization mode, and the inner end of the steel sleeve (8) is abutted by the shoulder (21) when the screw (2) axially displaces.

3. The automotive support rod assembly of claim 2, wherein the connecting seat (4) has a step for supporting the elastic member, the top end of the elastic member abuts against the bottom of the ball cup (6), and the elastic member is a disc spring or an annular rubber ring (7).

4. The automotive support rod assembly according to claim 3, wherein a spring (9) is arranged in the oil storage blind hole (41), the lower end of the spring (9) abuts against the bottom of the oil storage blind hole (41), the upper end of the spring (9) abuts against the bottom of the ball bowl (6), a circular steel plate (10) is welded in the middle of the spring (9), and the outer diameter of the steel plate (10) is smaller than the inner diameter of the oil storage blind hole (41).

5. The automotive support bar assembly of claim 4, wherein the ball cup (6) comprises an outer layer (61) of molybdenum disulfide phenolic resin and an inner layer (62) of molybdenum disulfide phenolic resin, and a polyester fiber cloth layer (63) is arranged between the outer layer (61) of molybdenum disulfide phenolic resin and the inner layer (62) of molybdenum disulfide phenolic resin.

6. The automotive support rod assembly of claim 5, wherein the connecting seat (4) is fixedly connected with a dust cover (11), and the upper end of the dust cover (11) is sealed on the rod part (51) of the ball stud (5).