CN212959510U - Ball head assembly - Google Patents
Ball head assembly Download PDFInfo
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- CN212959510U CN212959510U CN202022020827.2U CN202022020827U CN212959510U CN 212959510 U CN212959510 U CN 212959510U CN 202022020827 U CN202022020827 U CN 202022020827U CN 212959510 U CN212959510 U CN 212959510U
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- dust cover
- ball
- ball head
- ring
- bulb
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Abstract
The utility model provides a bulb assembly belongs to auto-parts technical field. It has solved current bulb assembly dust cover insecure scheduling problem. This bulb assembly includes bulb round pin, spherical shell and dust cover, and the bulb portion of bulb round pin is arranged in the spherical shell, and the spherical shell setting is stretched out in the pole portion of bulb round pin, and the top inner wall of spherical shell has the installation cavity that holds the dust cover lower extreme, and the spherical shell has the riveted structure with the dust cover lower extreme, and the upper end of dust cover is cramped in pole portion tightly. The utility model has the advantages of connect the steadiness good, be convenient for the installation arrange.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, a car flying piece is related to, in particular to bulb assembly.
Background
The ball head assembly is one of the most important parts in an automobile suspension system, mainly bears the load transfer and steering action in the driving process of an automobile, and plays a key role in the operation stability, driving smoothness and safety of the automobile.
Chinese patent literature discloses an automotive tie rod ball head assembly [ application number: 201520846415.0, respectively; authorization notice number: CN205186274U ], it includes the back lid, the ball seat, the spherical shell, the dust cover, two rand, single rand, the ball round pin, nylon lock nut, the ball seat dress is in the inside of spherical shell, the lower extreme bulb portion partial shipment of ball round pin is in the ball seat, the lower extreme of back lid dress is in the lower extreme of spherical shell, and form the activity space of ball round pin ball between the concave surface of back lid and ball seat, the ball round pin, the dust cover dress is on the upper portion of spherical shell, and the upper end small circle mouth is installed on the upper portion of ball round pin, two rand are installed to the assembly department of dust cover and spherical shell, single rand is installed in the assembly department of dust cover and ball round pin, nylon lock nut installs the upper end thread.
Foretell car steering linkage bulb assembly can save manufacturing cost to a certain extent, improves production efficiency, but the result of use of dust cover is not good, appears the gap easily between the pressurized back and the pole portion of ball round pin, can not play fine guard action, and the dust cover expands outward moreover and makes the exterior space of bulb assembly big, other connections that hang the part of being not convenient for, the firm in connection nature of dust cover and spherical shell is also not ideal enough in addition.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a connect the steadiness good, be convenient for the installation arrange, the bulb assembly that the leakproofness is good.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a bulb assembly, includes bulb round pin, spherical shell and dust cover, the bulb portion of bulb round pin be located the spherical shell, the pole portion of bulb round pin stretches out the spherical shell setting, its characterized in that, the top inner wall of spherical shell have the installation cavity that holds the dust cover lower extreme, the spherical shell have with dust cover lower extreme riveted structure, the upper end of dust cover tightly hoop in pole portion.
In the above ball head assembly, the dust cover has a pressing portion pressed on an upper end thereof.
In the ball head assembly, the rod part is provided with a section of conical surface section near the ball head part, the end part with the small diameter of the conical surface section is connected with the ball head part, and the upper end of the dust cover is tightly hooped on the conical surface section.
In foretell bulb assembly, riveted structure include a circle of protruding circle of axial evagination that the spherical shell top has, the upper portion of dust cover lower extreme have and be annular clamping ring, the top of protruding circle rivet joint have the riveting limit in the clamping ring inwards.
In the ball head assembly, the inner wall of the pressure ring is in an outward-expanding flaring shape.
In the ball head assembly, the lower end of the dust cover is embedded with an annular metal framework.
In an above-mentioned ball head assembly, the spherical shell in be equipped with the last ball seat of circle form, the inner wall of going up the ball seat laminate in the upper portion of bulb portion, the top of going up the ball seat is contradicted in dust cover lower extreme bottom.
In the ball head assembly, the ball shell is internally provided with the lower ball seat which is in a ring shape and is supported at the bottom of the ball head part, the middle part of the lower ball seat is provided with the oil through hole, and the ball shell is provided with the oil filling hole which is axially communicated with the oil through hole.
Compared with the prior art, the ball head assembly is reasonable in structural design, small in size, convenient to install and arrange, good in connection stability of the lower end of the dust cover, good in sealing performance of the upper end of the dust cover, good in waterproof and dustproof effects, long in service life, small in ball head abrasion, good in lubricating performance and long in service life.
Drawings
Fig. 1 is a structural sectional view of the present ball head assembly.
In the drawings, 1, a ball stud; 11. a ball head portion; 12. a rod portion; 121. a conical surface section; 2. a spherical shell; 21. a convex ring; 211. riveting edges; 22. an oil filler hole; 3. a dust cover; 31. a laminating part; 4. pressing a ring; 5. a metal skeleton; 6. a ball seat is arranged; 7. a ball seat is arranged; 71. an oil through hole.
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 figure 1, the ball head assembly comprises a ball head pin 1, a ball shell 2 and a dust cover 3, wherein a ball head part 11 of the ball head pin 1 is located in the ball shell 2, a rod part 12 of the ball head pin 1 extends out of the ball shell 2, a mounting cavity for accommodating the lower end of the dust cover 3 is arranged on the inner wall of the top of the ball shell 2, the ball shell 2 is provided with a riveting structure for riveting the lower end of the dust cover 3, and the upper end of the dust cover 3 is tightly hooped on the rod part 12.
This bulb assembly designs into embedded riveted mode with the lower extreme of dust cover 3, and the lower extreme of dust cover 3 is good with the steadiness of being connected of spherical shell 2, makes dust cover 3 not expand outward moreover, and difficult tearing and damage are small, the installation of being convenient for arrange.
In more detail, the dust cover 3 is also provided with a laminating part 31 laminated on the upper end of the dust cover, the upper end of the dust cover 3 is tightly hooped on the rod part 12, the laminating part 31 provides elastic support for the upper end of the dust cover 3, the sealing performance between the upper end of the dust cover 3 and the rod part 12 is good, the waterproof and dustproof effects are good, the laminating part 31 has elasticity, the swinging of the rod part 12 cannot be interfered, and the working stability is good; the part of the rod part 12 close to the bulb part 11 is provided with a section of conical surface section 121, the end part of the conical surface section 121 with small diameter is connected to the bulb part 11, the upper end of the dust cover 3 is tightly hooped on the conical surface section 121, the conical surface section 121 avoids the upper end of the dust cover 3 from sliding, and the sealing performance of the upper end of the dust cover 3 is good.
The riveting structure comprises a convex ring 21 which is axially and outwards protruded and is arranged at the top of the spherical shell 2, the upper part of the lower end of the dust cover 3 is provided with an annular pressing ring 4, the top of the convex ring 21 is provided with a riveting edge 211 which is riveted to the pressing ring 4 inwards, the convex ring 21 provides an installation space which is convenient for placing the lower end of the dust cover 3, the pressing ring 4 prevents the riveting edge 211 from directly abutting against the lower end of the dust cover 3, the lower end of the dust cover 3 is prevented from being damaged in the riveting process, the pressing force on the pressing ring 4 is uniform, the pressing effect on the lower end of the dust cover; the inner wall of the compression ring 4 is in an outward-expanded flaring shape, so that the interference of the compression ring 4 is avoided, the swing angle of the rod part 12 is large, the dust cover 3 is prevented from being abraded due to the fact that the dust cover touches the compression ring 4, and the service life is prolonged; the lower extreme of dust cover 3 is embedded to have annular metal framework 5, and the lower extreme rigidity of dust cover 3 is good like this, has improved the connection steadiness of dust cover 3 lower extreme.
The spherical shell 2 is internally provided with a ring-shaped upper ball seat 6, the inner wall of the upper ball seat 6 is attached to the upper part of the ball head part 11, the top of the upper ball seat 6 is abutted against the bottom of the lower end of the dust cover 3, the upper ball seat 6 reduces the abrasion of the ball head part 11, and the lower end of the dust cover 3 provides pressing force for the upper ball seat 6, so that the installation and the arrangement are convenient; be equipped with in the spherical shell 2 and be the circle and support in the lower ball seat 7 of bulb portion 11 bottom, lower ball seat 7 middle part has oil through hole 71, spherical shell 2 has the axial and link up and communicate to oil filler point 22 of oil through hole 71, lower ball seat 7 plays the buffering damping effect, it is good to the support effect of bulb portion 11, make bulb portion 11 job stabilization, oil filler point 22 passes through lubricating grease and gets into, oil through hole 71 makes lubricating grease get into down between ball seat 7 and the bulb portion 11, make the lubricity of bulb portion 11 good, reducing wear, service life has been prolonged, in the time of the actual manufacturing, current glib talker is connected in the drill way of oil filler point 22, be convenient for add lubricating grease.
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 (8)
1. The utility model provides a bulb assembly, includes bulb round pin (1), spherical shell (2) and dust cover (3), bulb portion (11) of bulb round pin (1) be located spherical shell (2), ball shell (2) setting is stretched out in pole portion (12) of bulb round pin (1), its characterized in that, the top inner wall of spherical shell (2) have the installation cavity that holds dust cover (3) lower extreme, spherical shell (2) have with dust cover (3) lower extreme riveted structure, the upper end lock ring of dust cover (3) in pole portion (12).
2. A ball head assembly according to claim 1, wherein the dust cover (3) has a lamination portion (31) laminated on an upper end thereof.
3. A ball head assembly according to claim 2, wherein the shaft portion (12) has a tapered section (121) near the ball head portion (11), the end portion of the tapered section (121) with a smaller diameter is connected to the ball head portion (11), and the upper end of the dust cover (3) is tightly clamped to the tapered section (121).
4. A ball head assembly according to claim 3, wherein said riveting structure comprises a ring of axially outwardly convex ring (21) on the top of the ball housing (2), the upper part of the lower end of the dust cover (3) is provided with a ring-shaped pressing ring (4), and the top of the convex ring (21) is provided with a riveting edge (211) riveted to the pressing ring (4) inwards.
5. The ball head assembly according to claim 4, wherein the inner wall of the pressing ring (4) is flared.
6. A ball head assembly according to claim 5, wherein the dust cover (3) has a ring-shaped metal skeleton (5) embedded in its lower end.
7. A ball head assembly according to claim 6, wherein the ball shell (2) is provided with a ring-shaped upper ball seat (6), the inner wall of the upper ball seat (6) is attached to the upper part of the ball head (11), and the top of the upper ball seat (6) abuts against the bottom of the lower end of the dust cover (3).
8. A ball head assembly according to claim 7, characterized in that the ball shell (2) is provided with a lower ball seat (7) which is ring-shaped and supported at the bottom of the ball head part (11), the lower ball seat (7) is provided with an oil through hole (71) in the middle, and the ball shell (2) is provided with an oil filling hole (22) which axially penetrates through and is communicated with the oil through hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022020827.2U CN212959510U (en) | 2020-09-15 | 2020-09-15 | Ball head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022020827.2U CN212959510U (en) | 2020-09-15 | 2020-09-15 | Ball head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959510U true CN212959510U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022020827.2U Active CN212959510U (en) | 2020-09-15 | 2020-09-15 | Ball head assembly |
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| Country | Link |
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| CN (1) | CN212959510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087276A (en) * | 2021-11-27 | 2022-02-25 | 闫红卫 | Wear-resistant front ball head balance pull rod on automobile |
-
2020
- 2020-09-15 CN CN202022020827.2U patent/CN212959510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087276A (en) * | 2021-11-27 | 2022-02-25 | 闫红卫 | Wear-resistant front ball head balance pull rod on automobile |
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