CN218207450U

CN218207450U - Ball seat and ball head assembly with metal structure

Info

Publication number: CN218207450U
Application number: CN202222593459.XU
Authority: CN
Inventors: 施世峰; 许声兴; 汪立东; 罗小刚
Original assignee: Zhejiang Lizhong Automobile Chassis Parts Co ltd
Current assignee: Zhejiang Lizhong Automobile Chassis Parts Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-03
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a metal construction ball seat bulb assembly belongs to auto-parts technical field. The ball head assembly solves the problems that the existing ball head assembly is poor in supporting effect and the like. This metallic structure ball seat bulb assembly includes the casing, the ball round pin has the bulb portion that is located the casing, the bottom riveting of casing has the bottom, the upper portion riveting of casing has the last ball seat that supports in the bulb portion, the lower part of casing is equipped with the lower ball seat that supports in the bulb portion, the casing has the ring channel that supplies the embedding of ball seat outer wall, the inner wall of going up the ball seat is the ring form for supporting in the arc face one of bulb portion and the axial projection of arc face one, the middle part of lower ball seat has through-hole and bottom that the axial runs through and is connected with the glib talker, the inner wall of lower ball seat is the elliptical ring form for supporting in the arc face two of bulb portion and the axial projection of arc face two, the arc face is the equipartition all around has the lubrication groove that communicates to the through-hole. The utility model has the advantages of good supporting effect, good lubricating effect and the like.

Description

Ball seat and ball head assembly with metal structure

Technical Field

The utility model belongs to the technical field of auto-parts, a bulb assembly is related to, in particular to metallic structure ball seat bulb assembly.

Background

The ball head assembly mainly bears the load transfer and steering action of a vehicle in the running process, and plays a key role in the operation stability, running smoothness and safety of the vehicle. For example, chinese patent literature discloses a steel ball joint assembly [ application number: 200920280280.0; authorization notice number: CN201568442U ], wherein a slotted nut is arranged on the upper portion of the ball pin, the slotted nut is fixed through a split pin, the lower end of the ball pin is connected with the joint, the upper portion of the joint is an upper ball seat, a dust cover is arranged on the outer edge wall of the upper portion of the joint, a dust cover clamping ring is arranged at the bottom of the dust cover, the lower portion of the joint is a lower ball seat, a spring is arranged at the bottom of the lower ball seat, and the spring is fixed by a bottom plate arranged on the joint.

Foretell steel ball seat joint assembly passes through the setting of spring, can avoid the ball seat pine spacious, but goes up the extrusion shape variable of ball seat wayward, and inconsistent to the conflict effect of ball round pin, the ball seat is made for the steel sheet down moreover, and is not good to the supporting effect of ball round pin, and lubricated effect is also not ideal enough.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a metallic structure ball seat bulb assembly that the supporting is effectual, lubricated effectual.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a metallic structure ball seat bulb assembly, includes casing, ball round pin, the ball round pin have the bulb portion that is located the casing, the bottom riveting of casing have the bottom, the upper portion riveting of casing have the last ball seat that supports in the bulb portion, the lower part of casing is equipped with the lower ball seat that supports in the bulb portion, its characterized in that, the casing have the ring channel that supplies the embedding of ball seat outer wall, the inner wall of going up the ball seat is the ring form for supporting in the axial projection of the arcwall face one and the arcwall face one of bulb portion, the middle part of lower ball seat has through-hole and bottom that the axial runs through and is connected with the glib talker, the inner wall of lower ball seat is the elliptical ring form for supporting in the axial projection of the arcwall face two and the arcwall face two of bulb portion, the two circumferential equipartitions of arcwall have the lubrication groove that communicates to the through-hole.

In the above ball seat and ball head assembly with a metal structure, the top of the upper ball seat is provided with a circle of convex shoulder protruding axially outwards, and the outer diameter of the convex shoulder is smaller than that of the upper ball seat.

In the above-mentioned ball seat and ball head assembly with a metal structure, the middle part of the outer wall of the upper ball seat is provided with a circle of annular groove I.

In the above-mentioned ball seat bulb assembly of metal structure, the outer wall middle part of lower ball seat have a round annular groove two, the outer wall of lower ball seat still has the annular groove three that is located annular groove two both sides, the groove width and the groove depth of annular groove three all are less than the groove width and the groove depth of annular groove two.

In the above-mentioned ball seat bulb assembly of metallic structure, the outer wall circumference equipartition of lower ball seat have the vertical groove that the axial is link up.

In the above metal structure ball seat and ball head assembly, the lower ball seat is provided with a circle of step groove, and the step groove is communicated with the top of the through hole.

In the above-mentioned ball seat bulb assembly of metal construction, lower ball seat and bottom between be equipped with the butterfly gasket that provides the elastic support for lower ball seat.

In foretell metal construction ball seat bulb assembly, the outer wall middle part of casing have the tooth of round circumference equipartition, the outer wall of casing has the fender shoulder that is located tooth below and radial evagination, the outer wall of casing has the draw-in groove that is located tooth top.

In foretell metal construction ball seat bulb assembly, the top of casing link firmly the dust cover through the clamp, the ball round pin stretches out the dust cover setting, the inside of dust cover upper end is equipped with the upper end inner wall cladding that is annular metal skeleton and dust cover has the metal covering, the ball round pin has the sealed conical surface section of confession metal covering, the outer wall of conical surface section is the external diameter that the external diameter of conical surface and conical surface section bottom is greater than its top.

Compared with the prior art, the metal structure ball seat and ball head assembly has the advantages of good supporting effect, good adaptability, good lubricating effect, good working stability and long service life.

Drawings

Fig. 1 is a structural sectional view of a ball seat and ball head assembly with the metal structure.

FIG. 2 is a top view of the lower ball seat of the ball seat assembly of the present metal structure.

FIG. 3 is a front view of the lower ball seat of the ball seat assembly.

Fig. 4 is a front view of the upper ball seat in the ball seat assembly of the metal structure.

Fig. 5 is a structural bottom view of an upper ball seat in the ball seat and ball head assembly of the metal structure.

In the figure, 1, a housing; 2. a ball pin; 3. a ball head portion; 4. a bottom cover; 5. an upper ball seat; 6. a ball seat is arranged; 7. a first arc-shaped surface; 8. a through hole; 9. a nozzle tip; 10. a second arc-shaped surface; 11. a lubrication groove; 12. shouldering; 13. a first annular groove; 14. a second annular groove; 15. a third annular groove; 16. a vertical slot; 17. a step groove; 18. butterfly gaskets; 19. teeth; 20. a card slot; 21. clamping a hoop; 22. a dust cover; 23. a metal skeleton; 24. a metal sleeve; 25. a conical surface section; 26. a shoulder block.

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, fig. 2, fig. 3, fig. 4 and fig. 5, the ball seat and ball head assembly of the metal structure includes a housing 1 and a ball pin 2, the ball pin 2 has a ball head portion 3 located in the housing 1, a bottom cover 4 is riveted to the bottom of the housing 1, an upper ball seat 5 supported on the ball head portion 3 is riveted to the upper portion of the housing 1, a lower ball seat 6 supported on the ball head portion 3 is provided at the lower portion of the housing 1, the housing 1 has an annular groove for embedding the outer wall of the upper ball seat 5, the inner wall of the upper ball seat 5 is in an annular shape for supporting an arc surface one 7 and an arc surface one 7 of the ball head portion 3, a through hole 8 axially penetrating is provided at the middle portion of the lower ball seat 6, the bottom cover 4 is connected with an oil nipple 9, the inner wall of the lower ball seat 6 is in an elliptical shape for supporting an arc surface two 10 of the ball head portion 3 and the axial projection of the arc surface two 10, and lubrication grooves 11 communicating with the through hole 8 are circumferentially and uniformly distributed on the arc surface two 10.

The metal structure ball seat and ball head assembly limits the upper ball seat 5 through the annular groove, so that the acting force applied to the upper ball seat 5 when the upper part of the shell 1 is riveted is consistent, the supporting effect of the upper ball seat 5 on the ball head part 3 is consistent, the product consistency is good, the swing angle of the ball pin 2 is large, the swing direction is uniform due to the second arc surface 10, the adaptability is improved, and the first arc surface 7 is always attached to the ball head part 3 in the swing or axial displacement process of the ball pin 2, so that the supporting effect is good; when the lubricating device is used, lubricating grease is added between the lower ball seat 6 and the bottom cover 4 through the oil nozzle 9, the lubricating grease entering the lubricating groove 11 lubricates the ball head part 3, the lubricating effect between the ball head part 3 and the lower ball seat 6 is guaranteed, abrasion is reduced, and the service life is prolonged.

In a further detail, the top of the upper ball seat 5 is provided with a circle of convex shoulder 12 protruding axially, the outer diameter of the convex shoulder 12 is smaller than that of the upper ball seat 5, and a gap is reserved between the outer wall of the convex shoulder 12 and the groove wall of the annular groove, so that when the upper part of the shell 1 is riveted, the convex shoulder 12 is stressed to enable the upper ball seat 5 to be pressed down integrally, the convex shoulder 12 is stressed to deform, the integral deformation of the upper ball seat 5 cannot be caused, and the supporting effect of the upper ball seat 5 on the ball head part 3 is ensured. Go up the outer wall middle part of ball seat 5 and have a round annular groove 13, when going up ball seat 5 and bearing the packing force, go up 5 outer walls of ball seat and at first in annular groove 13 department deformation, the deformation power is restrainted form upwards, when going up 5 resumeetings of ball seat, the deformation power is restrainted form downwards, goes up 5 outer walls of ball seat deformation regular like this, can not cause too much interference to the radial load of going up ball seat 5, the supporting of going up ball seat 5 is effectual.

The outer wall middle part of lower ball seat 6 has round annular groove two 14, the outer wall of lower ball seat 6 still has the annular groove three 15 that is located annular groove two 14 both sides, the groove width and the groove depth of annular groove three 15 all are less than the groove width and the groove depth of annular groove two 14, in the use, the bearing atress of lower ball seat 6 will be greater than last ball seat 5, when lower ball seat 6 bears the packing force, lower ball seat 6 outer wall is first in advance annular groove two 14 department deformation, deformation in annular groove three 15 department after that, each deformation power is restraint form and adds and downward effect, when lower ball seat 6 resumes, the deformation power is restraint form upwards, lower ball seat 6 outer wall deformation is regular like this, can not cause too much interference to the radial load of lower ball seat 6, the supporting effect of lower ball seat 6 is good. The outer wall circumference equipartition of lower ball seat 6 has the perpendicular groove 16 that the axial link up, respectively erects the deformation volume of 6 outer walls departments of ball seat under 16 increases, and in the ball seat 6 casing 1 of impressing under being convenient for, simple to operate made down ball seat 6 moreover and 1 inner wall effective area of contact many of casing, and 6 atress of lower ball seat also can not deflect, and job stabilization nature is good. The lower ball seat 6 is provided with a circle of step grooves 17, the step grooves 17 are communicated with the top of the through hole 8, the inner diameter of the step grooves 17 is larger than that of the through hole 8, the step grooves 17 provide a yielding space, lubricating grease can conveniently circulate, and the lubricating effect is guaranteed.

Be equipped with the butterfly gasket 18 that provides the elastic support for lower ball seat 6 between lower ball seat 6 and the bottom 4, butterfly gasket 18 provides the support for lower ball seat 6, can compensate the wearing and tearing clearance of lower ball seat 6, avoids the emergence of loose spacious abnormal sound. The outer wall middle part of casing 1 has the tooth 19 of round circumference equipartition, and the outer wall of casing 1 has the fender shoulder 26 that is located tooth 19 below and radial evagination, and the outer wall of casing 1 has the draw-in groove 20 that is located tooth 19 top, and during the installation, casing 1 inserts in the mounting hole of cantilever, keeps off shoulder 26 and supports in the cantilever lower part, and draw-in groove 20 supplies the snap ring card to go into, simple to operate like this, and tooth 19 has increased frictional force for casing 1 and cantilever firm in connection.

The top of casing 1 has linked firmly dust cover 22 through clamp 21, and ball round pin 2 stretches out dust cover 22 and sets up, and the inside of dust cover 22 upper end is equipped with to be annular metal skeleton 23 and the upper end inner wall cladding of dust cover 22 has metal covering 24, and ball round pin 2 has the sealed conical surface section 25 of confession metal covering 24, and the outer wall of conical surface section 25 is the external diameter that the external diameter of conical surface and conical surface section 25 bottom is greater than its top for the conical surface. Through the setting of metal framework 23, metal covering 24 and conical surface section 25 for dust cover 22's upper end is effectively sealed all the time, and dustproof and waterproof effect is good, and dust cover 22's lower extreme embedding casing 1's top outer wall and lock hoop have clamp 21, and dust cover 22 lower extreme and casing 1 firm in connection, dustproof and waterproof effect is good.

Those not described in detail in this specification are well 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 may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a metallic structure ball seat bulb assembly, includes casing (1), ball round pin (2) have bulb portion (3) that are located casing (1), the bottom riveting of casing (1) have bottom (4), the upper portion riveting of casing (1) have last ball seat (5) of supporting in bulb portion (3), the lower part of casing (1) is equipped with lower ball seat (6) of supporting in bulb portion (3), a serial communication port, casing (1) have the ring channel that supplies ball seat (5) outer wall embedding, the inner wall of going up ball seat (5) is the ring form for supporting in the axial projection of arc face (7) and arc face (7) of bulb portion (3), the middle part of lower ball seat (6) has axial through-hole (8) and bottom (4) and is connected with glib talker (9), the inner wall of lower ball seat (6) is for supporting in the arc face two (10) and the axial projection of arc face (10) of bulb portion (3) and the arc face is the annular, the axial projection of equipartition face (10) communicates to the through-hole (11) has lubricated annulars, the circumference through-hole (8) has two through-hole (11).

2. A metallic construction ball seat and head assembly according to claim 1, wherein the top of the upper seat (5) has a convex shoulder (12) protruding axially outward, the outer diameter of the shoulder (12) being smaller than the outer diameter of the upper seat (5).

3. A metallic construction ball cup and head assembly as claimed in claim 2, characterised in that the upper cup (5) has a circular groove (13) in the middle of its outer wall.

4. The metal structure ball seat and ball head assembly as claimed in claim 1, 2 or 3, wherein the lower ball seat (6) has a second annular groove (14) in the middle of the outer wall, the lower ball seat (6) also has a third annular groove (15) on both sides of the second annular groove (14), and the width and depth of the third annular groove (15) are smaller than those of the second annular groove (14).

5. The metal structure round ball seat and ball head assembly according to claim 4, wherein the outer wall of the lower ball seat (6) is uniformly provided with vertical grooves (16) which axially penetrate through the outer wall.

6. A metal structure ball seat and head assembly as claimed in claim 5, wherein the lower seat (6) has a stepped groove (17), and the stepped groove (17) is connected to the top of the through hole (8).

7. A metal construction round ball seat and ball head assembly as claimed in claim 6, wherein a butterfly washer (18) is provided between the lower ball seat (6) and the bottom cover (4) to provide resilient support for the lower ball seat (6).

8. The spherical ball seat and ball head assembly with the metal structure as claimed in claim 7, wherein a circle of teeth (19) are circumferentially and uniformly distributed in the middle of the outer wall of the shell (1), a retaining shoulder (26) which is located below the teeth (19) and protrudes radially outwards is arranged on the outer wall of the shell (1), and a clamping groove (20) which is located above the teeth (19) is arranged on the outer wall of the shell (1).

9. The round ball seat and ball head assembly with the metal structure according to claim 8, wherein a dust cover (22) is fixedly connected to the top of the housing (1) through a hoop (21), the ball pin (2) extends out of the dust cover (22), an annular metal framework (23) is arranged inside the upper end of the dust cover (22), a metal sleeve (24) is wrapped on the inner wall of the upper end of the dust cover (22), the ball pin (2) is provided with a conical surface section (25) for sealing the metal sleeve (24), the outer wall of the conical surface section (25) is a conical surface, and the outer diameter of the bottom of the conical surface section (25) is larger than that of the top of the conical surface section (25).