CN213298576U - Automobile swing arm ball head assembly - Google Patents

Abstract

The utility model discloses a car swing arm bulb assembly belongs to car technical field, it is dustproof poor to have solved the bulb assembly, bulb assembly seat becomes not hard up problem, the dust cover is close to inside first vertical position circle and the first annular position circle of having inlayed of one end of club, first annular position circle includes interconnect's vertical position circle of second and first horizontal orientation circle, the dust cover is close to the inside second annular position circle that has inlayed of spherical shell one end, second annular position circle includes interconnect's first slant position circle and second horizontal orientation circle, it is dustproof good to have reached the bulb assembly, bulb assembly seat becomes not hard up effect.

Description

Automobile swing arm ball head assembly

Technical Field

The utility model relates to an auto-parts field especially, relates to an automobile swing arm bulb assembly.

Background

The ball head assembly seat is a spatial hinge mechanism, and is particularly suitable for connecting an automobile steering knuckle with a swing arm. The existing ball head assembly seat is poor in dustproof effect at the position of a ball shell assembly, and dust, water, sand and the like can easily enter the ball shell in the driving process of an automobile, so that the sealing performance of a dustproof cover is greatly reduced, and the service life of the dustproof cover is influenced.

The problems that the connection between the ball head assembly seat and the swing arm is loosened and the like easily occur, so that the problems of inflexibility, shaking, abnormal sound and the like of automobile steering are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, solve the technical problem in the correlation technique to a certain extent at least, provide a car swing arm bulb assembly to it is dustproof to reach the spherical shell assembly, and the good purpose of swing arm stability.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an automobile swing arm bulb assembly, includes bulb round pin and spherical shell, the bulb round pin is including bulb, bulb neck, club and the threaded rod that connects gradually, be equipped with the bulb seat with the bulb adaptation in the spherical shell, be equipped with the stifle that is used for fixing a position the bulb in the spherical shell, be equipped with the dust cover on the spherical shell, its characterized in that: the dustproof cover is sleeved outside the ball rod in a sealing manner at one end, the other end of the dustproof cover is fixed outside the ball shell, a bulge is arranged at one end of the dustproof cover close to the ball rod, a first vertical positioning ring and a first annular positioning ring are embedded in one end of the dustproof cover close to the ball rod, the first annular positioning ring comprises a second vertical positioning ring and a first transverse positioning ring which are connected with each other, a second annular positioning ring is embedded in one end of the dustproof cover close to the ball shell, the second annular positioning ring comprises a first oblique positioning ring and a second transverse positioning ring which are connected with each other, an annular step is arranged on the ball shell, one end of the dustproof cover close to the ball shell is sleeved on the annular step, a slotted nut is arranged on the threaded rod, the slotted nut is fixed on the threaded rod through a split pin, a reinforcing cover is sleeved outside the dustproof cover, link inner wall is contradicted with the dust cover outside, the stiff end is embedded to have the vertical position circle of third, the sealed end is embedded to have the third loop type position circle, and third loop type position circle includes interconnect's second slant position circle and third transverse orientation circle, the stiff end is contradicted with the fluting nut, the sealed end is connected with the spherical shell.

Furthermore, a ball joint assembly seat is connected to the ball seat, 3 positioning protrusions are arranged on the ball joint assembly seat, fixing holes are formed in the positioning protrusions, and the centers of the fixing holes are connected to form a triangle.

Further, the reinforcing cover and the dust cover are made of rubber or soft plastics, the direction from the threaded rod to the ball head of the ball rod is gradually enlarged, the inner diameter of the fixed end is smaller than that of the fixed end after assembly when the fixed end is not assembled, the inner diameter of the sealing end is smaller than that of the connecting end after assembly when the sealing end is not assembled, the minimum diameter of the bulge is smaller than that of the bulge after assembly when the bulge is not assembled, and the inner diameter of one end, close to the ball shell, of the dust cover is smaller than that after assembly when the end is not assembled.

Furthermore, a ring groove for positioning the blank cap is arranged in the spherical shell.

Through the setting, the utility model discloses technical effect mainly embodies in following aspect: 1. the one end that the dust cover is close to the club is equipped with the arch, the dust cover is close to the inside first vertical position circle and the first annular position circle of having inlayed of one end of club, first annular position circle includes interconnect's second vertical position circle and first horizontal position circle, the dust cover is close to the inside second annular position circle that has inlayed of spherical shell one end, second annular position circle includes interconnect's first slant position circle and second horizontal position circle, the structural strength that the dust cover is close to 2 one end of club and dust cover and is close to spherical shell one end has been consolidated, the fastening is stronger, make it be difficult for droing and even warp, strengthen the leakproofness of dust cover and club and spherical shell, and then prevent that the dust cover warp and lead to this phenomenon emergence in the appearance gap. The spherical shell is internally provided with a ring groove for positioning the blank cap, and the blank cap is abutted against the ring groove, so that the compactness of the structure is ensured.

2. Be equipped with annular step on the spherical shell 1, the one end fixed connection that the dust cover is close to the spherical shell is on annular step, establish a pot head that the dust cover is close to the spherical shell on annular step, the internal diameter is less than the internal diameter after the assembly when the one end that the dust cover is close to spherical shell 1 is not assembled on the one hand, the one end that makes the dust cover be close to the spherical shell is by the extrusion expansion state, has reached similar metal interference fit's state, has played the effect of similar sealing washer, makes the dust cover be close to the spherical shell of the better laminating of one end of spherical shell 1, further ensures the utility model discloses dustproof and waterproof effect, on the other hand dust.

3. Link inner wall is contradicted outside with the dust cover, the stiff end is embedded to have the vertical position circle of third, the sealed end is embedded to have the third loop type position circle, the third loop type position circle includes interconnect's second slant position circle and third transverse orientation circle, internal diameter when the stiff end is not assembled is less than the internal diameter of post-assembly stiff end, internal diameter when the sealed end is not assembled is less than the internal diameter of post-assembly link, the stiff end, the sealed end is by the extrusion expansion state, sealed effect has been played, make the stiff end respectively, ball pole and spherical shell are laminated more to the sealed end, further guarantee the utility model discloses dustproof and waterproof effect, on the other hand dust cover installation is got up and is made things convenient for more

4. The stiff end is contradicted with the slotted nut, and the seal end is connected with the spherical shell, consolidates the stiff end of strengthening the cover and the structural strength of seal end, makes its non-deformable, strengthens the leakproofness between with bulb round pin and the bulb seat, and then prevents that the dust cover warp and leads to the phenomenon emergence in this department gap to appear, avoids water and dirt to get into 1 inside bulb of destruction of spherical shell to increase the life of product.

5. The threaded rod is provided with a slotted nut, and the slotted nut is fixed on the threaded rod through a cotter pin. The outer lane width of slotted nut is greater than the diameter of stiff end, and slotted nut screws up to contradict with sealed end, plays the double-seal to strengthening the cover upside, and slotted nut is fixed to the split pin, prevents to go the in-process slotted nut pine to take off and drop, further improves the leakproofness to the bulb that turns to the improvement is to turning to bulb life.

6. The ball head assembly seat has the advantages that the fixing holes are formed, a stable triangular structure is formed according to the principle that a plane is determined point by point, so that the ball head assembly seat is stressed more uniformly in the working process, the fixing effect is better, the structure is more stable, and the more stable effect is achieved.

7. Make and strengthen laminating club and the spherical shell that the upper and lower both ends of cover and dust cover are better, reduce and strengthen the gap between cover and dust cover and club and the spherical shell, further ensure the utility model discloses dustproof and waterproof effect makes the car be difficult to make in the in-process of traveling let dust, water and grains of sand wait to get into the spherical shell, makes the sealing performance greatly increased of dust cover, increases its life.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic sectional view of the dust cover of the present invention;

FIG. 3 is a schematic cross-sectional view of the reinforcing cover of the present invention;

FIG. 4 is a schematic structural view of the slotted nut of the present invention;

fig. 5 is a schematic top view of the present invention;

FIG. 6 is a schematic view of the cotter pin structure of the present invention;

FIG. 7 is an enlarged view of part A of the present invention;

reference numerals: 1. a spherical shell; 2. a ball stud; 201. a ball head; 202. a ball neck; 203. a shaft; 204. a threaded rod; 3. a ball cup seat; 4. covering the blank with a cover; 5. a dust cover; 501. a protrusion; 502. a first vertical positioning ring; 503. a second vertical positioning ring; 504. a first transverse positioning ring; 505. a first slash positioning ring; 506. a second transverse positioning ring; 6. an annular step; 7. a slotted nut; 8. a cotter pin; 9. a reinforcing cage; 901. a fixed end; 902. a connecting end; 903. sealing the end; 9011. a third vertical positioning ring; 9012 a second inclined positioning ring; 9013. a third transverse positioning ring; 10. positioning the projection; 11. a fixing hole; 12. a ring groove; 13. a ball head assembly seat; 14. and a cotter pin.

Detailed Description

The embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings, and the embodiments described below by referring to the drawings are exemplary and intended to explain the present invention so that the technical solutions of the present invention can be more easily understood and grasped, and cannot be construed as limiting the present invention.

As shown in fig. 1 and 2: an automobile swing arm ball head assembly comprises a ball head pin 2 and a ball shell 1, wherein the ball head pin 2 comprises a ball head 201, a ball neck 202, a ball rod 203 and a threaded rod 204 which are sequentially connected, a ball head seat 3 matched with the ball head 201 is arranged in the ball shell 1, the ball head 201 is arranged in the ball head seat 3, a blank cap 4 used for positioning the ball head 201 is arranged in the ball shell 1, a dust cover 5 is arranged on the ball shell 1, one end of the dust cover 5 is hermetically sleeved outside the ball rod 203, the other end of the dust cover is fixed outside the ball shell 1, one end of the dust cover 5 close to the ball rod 203 is provided with a bulge 501, a first vertical positioning ring 502 and a first annular positioning ring are embedded in one end of the dust cover close to the ball rod 203, the first annular positioning ring comprises a second vertical positioning ring 503 and a first transverse positioning ring 504 which are mutually connected, a second annular positioning ring is embedded in one end of the dust cover 5 close to the ball shell, the structural strength of one end of the dust cover 5 close to the ball rod 203 and one end of the dust cover 5 close to the ball shell 1 are reinforced, the tightness is stronger, the dust cover 5 is not easy to fall off or even deform, the sealing performance of the dust cover 5 and the ball rod 203 and the ball shell is enhanced, and the phenomenon that the dust cover 5 deforms to cause a gap to appear at the position is prevented. The spherical shell 1 is internally provided with a ring groove for positioning the blank cap 4, and the blank cap 4 is abutted against the ring groove, so that the compactness of the structure is ensured.

As shown in fig. 1 and 3: be equipped with annular step 6 on the spherical shell 1, the one end fixed connection that the dust cover 5 is close to spherical shell 1 is on annular step 6, establish a pot head that the dust cover 5 is close to the spherical shell on annular step 6, internal diameter M2 is less than internal diameter M1 after the assembly when the one end that the dust cover 5 is close to spherical shell 1 is not assembled on the one hand, the one end that makes the dust cover 5 be close to spherical shell 1 is by the extrusion expansion state, similar metal interference fit's state has been reached, the effect of similar sealing washer has been played, make the dust cover 5 be close to spherical shell 1's the better spherical shell 1 of laminating of one end, further guarantee the utility model discloses dustproof and waterproof effect, on the other hand dust cover 5 are. The dust cover 5 is externally sleeved with a reinforced cover 9, the reinforced cover 9 comprises a fixed end 901, a connecting end 902 and a sealing end 903 which are sequentially connected, the inner wall of the connecting end 902 is abutted against the outer side of the dust cover 5, a third vertical locating ring 9011 is embedded in the fixed end 902, a third annular locating ring is embedded in the sealing end 903, the third annular locating ring comprises a second oblique locating ring 9012 and a third transverse locating ring 9013 which are mutually connected, the inner diameter K2 when the fixed end 901 is not assembled is smaller than the inner diameter K1 of the fixed end after assembly, the inner diameter C2 when the sealing end 903 is not assembled is smaller than the inner diameter C1 of the connecting end after assembly, the fixed end 901 and the sealing end 903 are in an extruded and expanded state, the sealing effect is achieved, the fixed end 901 and the sealing end 903 are respectively made to be more attached to the ball rod 203 and the ball shell 1, the waterproof effect of the utility model is further ensured, the fixed end 901 is, reinforce the structural strength who strengthens stiff end 901 and sealed end 903 of cover 9, make its non-deformable, strengthen and bulb round pin 2 and bulb 201 seat between the leakproofness, and then prevent that dust cover 5 from warping and leading to the phenomenon in gap to take place to appear in this department, avoid water and dirt to get into 1 inside bulb 201 of destruction of spherical shell to increase the life of product.

As shown in fig. 1, 4 and 6: the threaded rod 204 is provided with a slotted nut 7, and the slotted nut 7 is fixed on the threaded rod 204 through a cotter pin 14. The outer lane width of slotted nut 7 is greater than the diameter of stiff end 901, and slotted nut 7 screws up to contradict with sealed end 903, plays the double seal to strengthening the cover 5 upside, and slotted nut 7 is fixed to split pin 14, prevents to drive in-process slotted nut 7 pine to take off and drop, further improves the leakproofness to turning to bulb 201 to improve turning to bulb 201 life.

As shown in fig. 1 and 5: the ball joint assembly base 13 is connected to the ball head 201 base, 3 positioning protrusions 10 are arranged on the ball joint assembly base, fixing holes 11 are formed in the positioning protrusions 10, and the center connecting lines of the fixing holes 11 form fixing positions of isosceles triangles. Each fixing hole 11 is provided with a bolt, and when the ball joint assembly base 13 is installed, the ball joint assembly base 13 and the automobile swing arm are fixed together through the bolts; owing to have 3 fixed orificess 11, confirm a planar principle according to 3 points, formed a firm triangular structure for bulb assembly seat 13 is in the course of the work, and 1 assembly seat of spherical shell is atress more even promptly, and fixed effect is better, and the structure is more firm, and then reaches more stable effect.

As shown in fig. 2 and 3; the reinforcing cover 9 and the dust cover 5 are made of rubber or soft plastic, the inner diameter K2 of the club 203 in the non-assembly state is smaller than the inner diameter K1 of the assembled fixed end when the fixed end 901 is gradually enlarged from the threaded rod 204 to the ball head 201, the inner diameter C2 of the sealing end 903 in the non-assembly state is smaller than the inner diameter C1 of the assembled sealing end 903, the minimum diameter L2 of the protrusion 501 in the non-assembly state is smaller than the minimum diameter L1 of the assembled protrusion 501, the inner diameter M2 of the dust cover 5 close to one end of the ball shell 1 in the non-assembly state is smaller than the assembled inner diameter M1, the fixed end 901, the sealing end 903, the protrusion 501 and one end of the dust cover 5 close to the ball shell 1 are all in a squeezed and expanded state, a state similar to metal interference fit is achieved, a function similar to a sealing ring is achieved, the upper end and the lower end of the reinforcing cover 9 and the dust cover 5 are better attached to the club 203 and the ball shell, further ensure the utility model discloses dustproof and waterproof effect makes the car be difficult to make in the driving process and lets dust, water and grains of sand wait to get into spherical shell 1, makes the sealing performance greatly increased of dust cover 9, increases its life.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (4)

1. The utility model provides an automobile swing arm bulb assembly which characterized in that: the ball head pin comprises a ball head, a ball neck, a ball rod and a threaded rod which are sequentially connected, a ball head seat matched with the ball head is arranged in the ball shell, a blank cap used for positioning the ball head is arranged in the ball shell, a dust cover is arranged on the ball shell, one end of the dust cover is sleeved outside the ball rod in a sealing mode, the other end of the dust cover is fixed outside the ball shell, a bulge is arranged at one end, close to the ball rod, of the dust cover, a first vertical positioning ring and a first annular positioning ring are embedded in one end, close to the ball rod, of the dust cover, the first annular positioning ring and a second transverse positioning ring are embedded in one end, close to the ball shell, of the dust cover, a second annular positioning ring is embedded in one end, close to the ball shell, of the dust cover, an annular step is arranged on the ball shell, the first oblique positioning ring and the second transverse positioning ring are, be equipped with the slotted nut on the threaded rod, the slotted nut passes through the split pin to be fixed on the threaded rod, the dust cover overcoat is equipped with and strengthens the cover, strengthen the stiff end, link and the sealed end that covers including connecting gradually, the link inner wall is contradicted in the dust cover outside, the stiff end is embedded to have the vertical position circle of third, the sealed end is embedded to have the third loop type position circle, and the third loop type position circle includes interconnect's second slant position circle and third horizontal position circle, the stiff end is contradicted with the slotted nut, sealed end is connected with the spherical shell.

2. The swing arm ball head assembly of an automobile of claim 1, wherein: the ball joint is characterized in that the ball joint base is connected to the ball head base, 3 positioning protrusions are arranged on the ball joint base, fixing holes are formed in the positioning protrusions, and the centers of the fixing holes are connected to form a triangle.

3. The swing arm ball head assembly of an automobile of claim 1, wherein: the reinforced cover and the dust cover are made of rubber or soft plastic, the direction from the threaded rod to the ball head of the ball rod is gradually enlarged, the inner diameter of the fixed end is smaller than that of the fixed end after assembly when the fixed end is not assembled, the inner diameter of the sealed end is smaller than that of the connecting end after assembly when the sealed end is not assembled, the minimum diameter of the bulge is smaller than that of the bulge after assembly when the bulge is not assembled, and the inner diameter of one end, close to the ball shell, of the dust cover is smaller than that after assembly when the one end is not assembled.

4. The swing arm ball head assembly of an automobile of claim 1, wherein: the spherical shell is internally provided with a ring groove for positioning the blank cap.

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