CN218440199U - Ball head pin assembly - Google Patents
Ball head pin assembly Download PDFInfo
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- CN218440199U CN218440199U CN202223037518.1U CN202223037518U CN218440199U CN 218440199 U CN218440199 U CN 218440199U CN 202223037518 U CN202223037518 U CN 202223037518U CN 218440199 U CN218440199 U CN 218440199U
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- ball
- ball head
- seat
- pin
- dustproof piece
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Abstract
The application discloses ball head round pin subassembly includes: the ball head seat is internally provided with an accommodating cavity; the bottom of the ball pin is a ball head which is arranged in the accommodating cavity; the dustproof piece is arranged between the ball head seat and the ball head pin, the dustproof piece is sleeved on the ball head pin, the upper end of the dustproof piece is fixedly connected with the ball head pin, the lower end of the dustproof piece is clamped and embedded in the accommodating cavity, and the ball head seat is fixedly connected with the lower end of the dustproof piece. Through the clamping and embedding tight fit of the dustproof piece and the ball head seat and the fixing and reinforcing treatment of the ball head seat and the dustproof piece, the dustproof piece and the ball head seat play double fixing roles, and the dustproof piece is prevented from falling off and further influencing the service life of the ball head pin; the connection between the reinforced dustproof piece and the ball head seat enhances the safe use reliability of the ball head pin assembly.
Description
Technical Field
The application relates to the technical field of auto parts, in particular to a ball head pin assembly.
Background
The ball pin assembly is a key part in various automobile parts and is widely adopted in an independent suspension system, a control arm or a thrust rod is usually connected with other parts through a ball pin positioned at the end part, and the main function of the ball pin is to realize the up-and-down jumping and steering movement of a wheel. It is mainly by the bulb seat of bulb round pin subassembly, bulb round pin and dust cover are constituteed, the dust cover of use is mostly including steel skeleton individual layer or bilayer structure in flexible glue and the glue, adopt usually upper and lower jump ring to carry out the chucking fixed, because the bulb of bulb round pin is under the condition of frequent atress and swing limit, can lead to the bulb to have the risk of axial extraction, and then can stimulate the dust cover, consequently under using for a long time, the dust cover breaks away from mutually with the bulb seat easily, lead to the dust cover to lose the guard action, influence the life of bulb round pin.
Therefore, how to provide a ball head pin assembly to make the dust cover connection more firm is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bulb round pin subassembly avoids dustproof subassembly to drop, influences the life of bulb round pin.
To achieve the above object, the present invention provides a ball pin assembly, including:
a ball head seat, which is internally provided with an accommodating cavity;
the bottom of the ball pin is a ball head which is arranged in the accommodating cavity;
the dustproof piece is arranged between the ball head seat and the ball head pin, the dustproof piece is sleeved on the ball head pin, the upper end of the dustproof piece is fixedly connected with the ball head pin, the lower end of the dustproof piece is clamped and embedded in the accommodating cavity, and the ball head seat is fixedly connected with the lower end of the dustproof piece.
The utility model provides a ball head round pin subassembly, dust keeper include dust cover and installation cover, and the upper end of installation cover is the step round platform, and dust cover fixed connection is on the step round platform.
The inner wall of a containing cavity is a stepped hole, an installation sleeve is clamped in the stepped hole, and the side wall of a ball head seat is fixed on the upper surface of a step round platform of the installation sleeve in a spinning mode.
A fixed connection of a dustproof sleeve and an installation sleeve is vulcanized and bonded.
A ball head pin assembly, the dust cover is a pot-shaped dust cover.
A ball head pin assembly is characterized in that a ball seat is embedded at the lower end of a ball head in a clamping mode, and the ball seat is embedded in an opening at the lower end of an installation sleeve in a clamping mode, so that the ball head is not in hard contact with the installation sleeve and the ball head seat.
A lower end opening of an installation sleeve is provided with a chamfer.
A ball head pin component is characterized in that the top of a ball head pin is a stud body, and the middle of the ball head pin is a cone.
The utility model provides a middle part outer wall that ball round pin subassembly, the upper end outer wall of dust cover are equipped with the draw-in groove, are equipped with the snap ring in the draw-in groove, the snap ring so that the upper end of dust cover and the middle part fastening connection of ball round pin, the upper end inner wall of dust cover is equipped with the spacer strip, spacer strip laminating ball round pin.
A ball head pin assembly is provided, the number of the baffle bars is not less than three.
To the above-mentioned background art, the utility model provides a pair of ball head round pin subassembly, include: the ball head seat is fixedly connected with the ball head pin in a spinning mode;
because the utility model discloses dust keeper and ball cup inlay card close fit, and the fixed reinforcement processing of ball cup and dust keeper spinning, be equivalent to the utility model dust keeper plays dual fixed action with the ball cup, avoids the dust cover subassembly to drop, influences the life of bulb round pin.
The utility model discloses a consolidate being connected of dustproof spare and bulb seat, strengthened the safe handling reliability of bulb round pin subassembly.
Drawings
FIG. 1 is a front view of a ball pin assembly according to an embodiment of the present disclosure;
fig. 2 is a schematic axial-side structural view of a dust guard provided in an embodiment of the present application;
fig. 3 is a schematic front view of a dust-proof component according to an embodiment of the present disclosure;
fig. 4 is a schematic front view structure diagram of the installation sleeve provided in the embodiment of the present application.
Wherein: 1-a ball head seat, 1.1-an accommodating cavity, 2-a dustproof piece, 2.1-a dustproof cover, 2.11-a clamping groove, 2.12-a separation barrier strip, 2.13-a clamping ring, 2.2-an installation sleeve, 2.21-a step round table, 2.22-a chamfer angle, 3-a ball head pin, 3.1-a ball head and 4-a ball seat.
Detailed Description
The core of this application provides a bulb round pin subassembly, avoids the dustproof piece to drop, influences the life of bulb round pin.
In order to make the technical field of the present invention better understand, the present application will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, the present application provides a ball pin assembly including:
the ball head seat 1 is provided with an accommodating cavity 1.1 inside the ball head seat 1, an opening of the accommodating cavity 1.1 extends to the upper end edge of the ball head seat 1, and the bottom of the accommodating cavity 1.1 can be V-shaped or arc-shaped;
the bottom of the ball pin 3 is a ball head 3.1, the ball head 3.1 is placed in the accommodating cavity 1.1, and the bottom of the accommodating cavity 1.1 is arranged in a V shape or an arc shape, so that the ball head 3.1 is attached to the bottom of the accommodating cavity 1.1 conveniently;
the dustproof piece 2 penetrates through the ball stud 3, so that the dustproof piece 2 is sleeved on the ball stud 3, the dustproof piece 2 is further installed between the ball head seat 1 and the ball stud 3, and through the arrangement of the dustproof piece 2, dust, muddy water and other spills can be prevented from entering the accommodating cavity 1.1 to abrade the ball head 3.1 of the ball stud 3, and the service life of the ball stud 3 is further shortened; the upper end of the dustproof piece 2 is tightly connected with the ball pin 3, the lower end of the dustproof piece 2 is embedded in the containing cavity 1.1 in a clamping mode, and finally the ball seat 1 is fixedly connected with the lower end of the dustproof piece 2, so that the dustproof piece 2 is fixed.
Because this application dustproof member 2 and 1 inlay card of bulb seat close fit to and the fixed reinforcement of bulb seat 1 and dustproof member 2 is handled, play dual fixed action in other words with bulb seat 1 in this application dustproof member 2, avoid droing and then influence the life of bulb round pin 3 of dustproof member 2.
In some embodiments, the dust-proof part 2 includes a dust-proof cover 2.1 and a mounting sleeve 2.2, the dust-proof cover 2.1 and the mounting sleeve 2.2 are respectively provided with a through hole communicated with each other for the ball stud 3 to pass through, so that the dust-proof part 2 is sleeved on the ball stud 3, the upper end of the mounting sleeve 2.2 is a step round platform 2.21, and the dust-proof cover 2.1 is fixedly connected to the step round platform 2.21.
That is to say, the mounting sleeve 2.2 of the present application is a stepped cylinder, the diameter of the cylinder at the upper end is greater than that of the cylinder at the lower end, and then the upper end forming the mounting sleeve 2.2 is a stepped circular truncated cone 2.21, the cylinders at the upper end and the lower end are both provided with connected through holes, and the diameter of the through hole formed by the cylinder at the upper end is smaller than that of the through hole formed by the cylinder at the lower end, and then the ball head 3.1 located in the mounting sleeve 2.2 is limited not to be separated, i.e. the ball head 3.1 is guaranteed to be always located in the mounting sleeve 2.2, because the mounting sleeve 2.2 is fixedly connected with the ball head seat 1, i.e. the ball head 1.1 is guaranteed not to be separated from the ball head seat 1, the joint of the cylinder at the upper end and the cylinder at the lower end is a smooth circular arc, and the dust cover 2.1 is fixed on the stepped circular truncated cone 2.21, i.e. the dust cover 2.1 is fixed on the upper surface and the side wall of the stepped circular truncated cone 2.21.
In some embodiments, the inner wall of the accommodating cavity 1.1 is a stepped hole, the mounting sleeve 2.2 is embedded in the stepped hole, and the side wall of the ball cup seat 1 is fixed on the upper surface of the stepped circular truncated cone 2.21 in a spinning manner.
That is to say, the shape of the stepped hole is matched with the stepped cylinder, the mounting sleeve 2.2 is embedded in the stepped hole in a clamping manner, namely, the connecting part of the mounting sleeve 2.2, the dust cover 2.1 and the mounting sleeve 2.2 is embedded in the stepped hole in a clamping manner, because the outer diameter of the mounting sleeve 2.2 is larger than the inner diameter of the stepped hole, namely the mounting sleeve 2.2 is pressed into the stepped hole in an interference fit manner, and through the matching of the stepped circular truncated cone 2.21 and the stepped hole, the mounting sleeve 2.2 is ensured to be pressed into the ball head seat 1 and cannot be pressed, so that the limiting effect is achieved; the upper surface at step round platform 2.21 is fixed in lateral wall spinning of bulb seat 1, refer to and use the spinning wheel or catch up with the stick and pressurize in the lateral wall of bulb seat 1, make it produce local plastic deformation, and then wrap up the junction of dust cover 2.1 and installation cover 2.2, make dust cover 2.1 and installation cover 2.2 all fix in bulb seat 1, consequently, dust cover 2.1 receives the vertical decurrent effort of bulb seat 1, prevent that dust cover 2.1 breaks away from bulb seat 1, and this application dust cover 2.1 and installation cover 2.2 fixed connection, installation cover 2.2 carries out interference fit with the ladder hole of bulb seat 1, consequently, bulb seat 1 also gives the vertical decurrent effort of dust cover 2.1, because this application bulb seat 1 and dust cover 2.1 dual fixed action, and then avoid the dust cover 2.1 to drop and then influence the life of bulb round pin 3.
In some embodiments, the dust cover 2.1 is fixedly connected with the mounting sleeve 2.2 by vulcanization adhesion, that is, the dust cover 2.1 is made of rubber, the mounting sleeve 2.2 is made of iron, the step round table 2.21 of the mounting sleeve 2.2 is subjected to surface shot blasting decontamination treatment, so that the outer surface of the step round table 2.21 reaches a certain roughness, and a better adhesion effect is achieved, then the outer surface of the step round table 2.21 is subjected to surface phosphating protection treatment, then an adhesive is coated on a phosphating layer, then the bottom of the dust cover 2.1 is coated with neoprene and placed on the step round table 2.21, so that the dust cover 2.1 is combined into a whole by vulcanization adhesion, the stability and consistency of temperature are ensured in the vulcanization process, and further the mounting sleeve 2.2 is more firmly connected with the dust cover 2.1.
In some embodiments, the dust cap 2.1 is a can-shaped dust cap, that is, the side wall of the dust cap 2.1 is an arc-shaped convex structure, which facilitates the movement of the middle portion of the ball stud 1 in the inner cavity.
In some embodiments, a ball seat 4 is disposed at a lower end of the ball head 3.1, the ball seat 4 is embedded in the lower opening of the mounting sleeve 2.2, and the ball seat 4 is located between the mounting sleeve 2.2 of the ball head 3.1 and the ball head seat 1, so as to ensure that the ball head 3.1 does not make hard contact with the mounting sleeve 2.2 and the ball head seat 1.
That is to say, this application provides a ball seat 4, the material of ball seat 4 is plastics, the shape of ball seat 4 is the same with holding chamber 1.1's bottom shape, guarantee ball seat 4 and holding chamber 1.1's bottom phase-match, lubricating oil or grease are paintd to the inner wall of ball seat 4, put bulb 3.1's lower extreme in ball seat 4, because the external diameter of ball seat 4 is less than the lower extreme cylinder opening external diameter of installation cover 2.2, the ball seat 4 inlay card is in the lower extreme cylinder through-hole of installation cover 2.2, and then guarantee bulb 3.1 through the use of ball seat 4 and not with ball seat 1 with installation cover 2.2 hard contact, and the ball seat is paintd lubricating oil or inside interpolation grease, realize the lubrication action on the one hand, on the other hand absorbs partial vibration energy, has improved the lubrication effect to bulb 3.1, has reduced bulb 3.1's wearing and tearing, has improved the life of bulb round pin 3.
In some embodiments, the lower end opening of the mounting sleeve 2.2 is provided with a chamfer 2.22; that is to say, the opening of the lower end column of the mounting sleeve 2.2 is provided with the chamfer 2.22, and the ball seat 4 and the ball head 3.1 are more easily pressed into the mounting sleeve 2.2 through the chamfer 2.22, so that the guiding function is further realized.
In some embodiments, the top of the ball stud 3 is a stud, and the middle is a cone; the upper end outer wall of dust cover 2.1 is equipped with draw-in groove 2.11, is equipped with snap ring 2.13 in the draw-in groove 2.11, snap ring 2.13 so that the upper end of dust protector 2 is connected with the middle part fastening of bulb round pin 3, and the upper end inner wall of dust cover 2.1 is equipped with division blend stop 2.12, and division blend stop 2.12 laminating bulb round pin 3's middle part outer wall.
That is to say, snap ring 2.13 has elasticity, when snap ring 2.13 is located draw-in groove 2.11, can guarantee the upper end of dust keeper 2 and the middle part fastening connection of bulb round pin 3, because the inner wall of dust cover 2.1 is equipped with spacer 2.12, and spacer 2.12 laminating bulb round pin 3's middle part outer wall, and then prevent that foreign matter such as dust, muddy water from entering into bulb seat 1 through the clearance between the middle part of dust cover 2.1 and bulb round pin 3, increase the wearing and tearing of bulb 3.1, reduce bulb 3.1's life, and then spacer 2.12 plays sealed effect.
In some embodiments, the number of the barrier strips 2.12 is not less than three, so that the ball stud 3 is ensured to play a role in preventing foreign matters such as dust, muddy water and the like from permeating under the conditions of maximum swing angle and frequent swing limit use, and a sealing effect is achieved.
The installation process of this application ball round pin subassembly does: firstly, pack into ball seat 4 with bulb 3.1 of bulb round pin 3, ball seat 4 is impressed in the through-hole of mounting sleeve 2.2 with bulb 3.1 interference fit next, also establish dust proof 2 cover on bulb round pin 3, again impress dust proof 2 interference fit in the holding chamber 1.1 of bulb seat 1, make dust proof 2 carry out spinning fixed connection with bulb seat 1, through dust proof 2 and 1 inlay card close fit of bulb seat, and spinning bulb seat 1 and 2 reinforcement processing of dust proof, play dual fixed action with bulb seat 1 in other words, avoid droing of dust proof 2 and then influence the life of bulb round pin 3.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The ball head pin assembly provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A ball head pin assembly, comprising:
the ball head seat (1) is internally provided with an accommodating cavity (1.1);
the bottom of the ball pin (3) is a ball head (3.1), and the ball head (3.1) is arranged in the accommodating cavity (1.1);
the dustproof piece (2) is arranged between the ball head seat (1) and the ball head pin (3), the dustproof piece (2) is sleeved on the ball head pin (3), the upper end of the dustproof piece (2) is tightly connected with the ball head pin (3), the lower end of the dustproof piece (2) is embedded in the accommodating cavity (1.1) in a clamping mode, and the ball head seat (1) is fixedly connected with the lower end of the dustproof piece (2).
2. A ball stud assembly according to claim 1, characterized in that the dust proof member (2) comprises a dust proof cover (2.1) and a mounting sleeve (2.2), the upper end of the mounting sleeve (2.2) is a stepped circular truncated cone (2.21), and the dust proof cover (2.1) is fixedly connected to the stepped circular truncated cone (2.21).
3. A ball pin assembly according to claim 2, characterized in that the inner wall of the receiving cavity (1.1) is a stepped hole, the mounting sleeve (2.2) is embedded in the stepped hole, and the side wall of the ball seat (1) is fixed on the upper surface of the stepped circular truncated cone (2.21) in a spinning manner.
4. A ball pin assembly according to claim 2, characterized in that the fixed connection of the dust boot (2.1) to the mounting sleeve (2.2) is a vulcanised adhesive.
5. A ball stud assembly according to claim 2, characterized in that the dust boot (2.1) is a pot-shaped dust boot.
6. A ball pin assembly according to claim 2, characterized in that the lower end of the ball head (3.1) is provided with a ball seat (4), the ball seat (4) is snap-fitted in the lower end opening of the mounting sleeve (2.2) so that the ball head (3.1) is not in hard contact with the mounting sleeve (2.2) and the ball head seat (1).
7. A ball pin assembly according to claim 6, characterized in that the lower end opening of the mounting sleeve (2.2) is provided with a chamfer (2.22).
8. A ball stud assembly according to claim 2, characterized in that the top of the ball stud (3) is a threaded cylinder and the middle is a cone.
9. The ball pin assembly according to claim 8, characterized in that a clamping groove (2.11) is formed in the outer wall of the upper end of the dust cover (2.1), a clamping ring (2.13) is arranged in the clamping groove (2.11), the clamping ring (2.13) is used for enabling the upper end of the dust cover (2) to be tightly connected with the middle of the ball pin (3), a blocking strip (2.12) is arranged on the inner wall of the upper end of the dust cover (2.1), and the blocking strip (2.12) is attached to the outer wall of the middle of the ball pin (3).
10. A ball pin assembly according to claim 9, characterized in that the number of the bars (2.12) is not less than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037518.1U CN218440199U (en) | 2022-11-14 | 2022-11-14 | Ball head pin assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223037518.1U CN218440199U (en) | 2022-11-14 | 2022-11-14 | Ball head pin assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218440199U true CN218440199U (en) | 2023-02-03 |
Family
ID=85073633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223037518.1U Active CN218440199U (en) | 2022-11-14 | 2022-11-14 | Ball head pin assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218440199U (en) |
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2022
- 2022-11-14 CN CN202223037518.1U patent/CN218440199U/en active Active
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