CN207795836U - A kind of automobile ball head assembly that can generate steady torque - Google Patents
A kind of automobile ball head assembly that can generate steady torque Download PDFInfo
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- CN207795836U CN207795836U CN201721686630.4U CN201721686630U CN207795836U CN 207795836 U CN207795836 U CN 207795836U CN 201721686630 U CN201721686630 U CN 201721686630U CN 207795836 U CN207795836 U CN 207795836U
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- ball
- head assembly
- steady torque
- ball head
- installation cavity
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Abstract
The utility model provides a kind of automobile ball head assembly that can generate steady torque, including spherical shell, ball seat, ball stud and waveform compensation washer, installation cavity is formed on spherical shell, ball seat is mounted on installation cavity upper end, spherical cavity is formed between ball seat and the installation cavity, ball stud includes sphere and pin rod；The upper surface of ball seat is equipped with disk spring, the upper end of disk spring is equipped with waveform compensation washer, the inner wall upper end of installation cavity offers annular groove, the sealing plate contacted with waveform compensation washer upper surface is equipped in annular groove, radially-inwardly bending forms the flanging contacted with the sealing plate upper surface for the open end of spherical shell.The utility model kind can generate the automobile ball head assembly of steady torque, add shim, the accumulated error of other accessories generation is compensated by the deformation of shim, ensure that the decrement of disk spring is consistent, realize the stability of product torque, product quality reliability and use reliability are substantially increased, and improves safety in utilization.
Description
Technical field
The utility model is related to a kind of automobile ball head, more particularly to a kind of automobile ball head assembly that can generate steady torque.
Background technology
Bulb assembly is widely adopted in independent suspension system, and control arm or distance rod often pass through the bulb positioned at end
Pin is connected with other components.The major function of bulb assembly is to realize that wheel moves up and down and divertical motion.Its mainly by end cap,
The compositions such as ball pin, ball seat and dust cover, end cap mostly use steel stamping part, and for material based on carbon steel, some also uses aluminium
Alloy or spheroidal graphite cast-iron.It is higher to the requirement on machining accuracy in ball pin face, the good steel alloy of quenching degree is mostly used, is done with metal ball
The ball pin surface of cooperation need to use the Surface hardening treatments such as high-frequency quenching, to improve wearability.Mostly use ball pin and non-gold now
Belong to ball seat cooperation, therefore need to only take modifier treatment to ball pin.It should be according to tensile strength, durability etc. to the selection of ball pin diameter
Combined factors consider.The material of ball seat uses case-hardened steel, powder metallurgy, nylon, polyacetal resin, polyurethane and polyester bullet
Property body.Since the material and shape of ball seat have a larger impact to abrasion and fatigue life, thus immerse in the material molybdenum disulfide or
Oil, to improve wearability.Also reinforcing rib can be added on ball seat or uses composite material.
In traditional handicraft, it is directly press-fitted disk spring using sealing plate, so that ball pin is generated torque by the elastic force of disk spring,
However in the actual production process, since the relative dimensions of ball seat, spherical shell and ball pin are with the presence of mismachining tolerance, 3 accessories
Accumulated error is easy to make the torque of product very unstable, to reduce product quality reliability and use reliability, is using
There is some potential safety problems in the process.
Utility model content
(1) technical problems to be solved
Cumulative errors are eliminated by shim the technical problem to be solved by the present invention is to provide one kind and make product
The automobile ball head assembly that can generate steady torque that torque is stablized.
(2) technical solution
In order to solve the above technical problems, the utility model provides a kind of automobile ball head assembly that can generate steady torque, packet
Spherical shell 1, ball seat 3, ball stud and waveform compensation washer 5 are included, the installation cavity of open top, the ball seat are formed on the spherical shell
Mounted on the installation cavity upper end, spherical cavity is formed between the ball seat and the installation cavity, the ball stud includes rotation
The sphere 21 and be fixed on the sphere side wall and prolong after the through-hole on the ball seat that ground is mounted in the spherical cavity
Extend to the pin rod 22 outside the spherical cavity；The upper surface of the ball seat is equipped with disk spring 4, and the upper end of the disk spring is set
There are waveform compensation washer 5, the inner wall upper end of the installation cavity to offer annular groove, be equipped with and the wave in the annular groove
The sealing plate 6 of shape shim upper surface contact, radially-inwardly bending is formed and the sealing plate upper surface for the open end of the spherical shell
The flanging 101 of contact.
Further, the waveform compensation washer includes the washer body of generally circular ring shape, and the washer body is reciprocal
Bending forms waveform.
Further, the waveform compensation washer includes the Flexible element for being sequentially connected and being formed annular, and the elasticity is single
Member includes upward convex upper arc surface 51, downwardly convex lower arc surface 53 and the connection upper arc surface and the lower arc surface
Inclined-plane 52.
Further, the inclined-plane is tangent with the upper arc surface and the lower arc surface.
Further, the angle between the inclined-plane and horizontal plane is more than or equal to 50 degree and is less than or equal to 70 degree.
Further, the angle between the inclined-plane and horizontal plane is 60 degree.
Further, the upper arc surface is identical with the lower arc surface structure, includes the first segmental arc 501 and second
Segmental arc 502 is connected between first segmental arc and second segmental arc by a straightway 503.
(3) advantageous effect
The utility model kind can generate the automobile ball head assembly of steady torque, add shim, pass through shim
It deforms to compensate the accumulated error of other accessories generation, ensures that the decrement of disk spring is consistent, realize the stabilization of product torque
Property, product quality reliability and use reliability are substantially increased, and improve safety in utilization.
Description of the drawings
Fig. 1 is the structural schematic diagram for the automobile ball head assembly that the utility model can generate steady torque；
Fig. 2 is the portions A enlarged drawing in Fig. 1；
Fig. 3 is the automobile ball head general assembly schematic diagram that the utility model can generate steady torque；
Fig. 4 is the structural representation of the waveform compensation washer for the automobile ball head assembly that the utility model can generate steady torque
Figure；
Fig. 5 is that another angled arrangement of the shim for the automobile ball head assembly that the utility model can generate steady torque shows
It is intended to；
Fig. 6 is the partial enlarged view of the shim for the automobile ball head assembly that the utility model can generate steady torque.
Specific implementation mode
Refering to fig. 1 to Fig. 6, the utility model provides a kind of automobile ball head assembly that can generate steady torque comprising ball
Shell 1, ball seat 3, ball stud and waveform compensation washer 5；The installation cavity of open top is formed on spherical shell；Ball seat 3 is mounted on peace
It behave affectedly upper end, forms spherical cavity between ball seat and installation cavity；Ball stud includes the ball being rotatably mounted in spherical cavity
Body 21 is fixed on the sphere side wall and extends to the pin rod 22 outside the spherical cavity after the through-hole on the ball seat；
In the present embodiment, radially-inwardly bending forms flanging 101, the shape between flanging bottom surface and ball seat upper surface for the open end of spherical shell
At mounting portion, it is from top to bottom equipped with sealing plate 6, waveform compensation washer 5 and disk spring 4, wherein sealing plate successively in the mounting portion
(limit) is positioned for upper end, waveform compensation washer is protected for making sealing plate lower face form prepsetting gap with ball seat upper surface
The unification for having demonstrate,proved amount of spring compression, to make raising torque consistency, disk spring make ball seat have downward movement tendency and make
Sphere generates rotary damping (forming torque)；In order to improve precision, it is equipped with annular groove in the open end inner wall of spherical shell, is had
First terrace 702, sealing plate are fitted on First terrace to realize positioning, and radially-inwardly bending forms energy for the open end of spherical shell
It pushes down sealing plate and makes its fixed flanging；In the present embodiment, waveform compensation washer is by that can generate the metal being plastically deformed after punching press
It is made；Waveform compensation washer includes the washer body of generally circular ring shape, and the reciprocal bending of washer body forms waveform, specifically
, which includes the Flexible element for being sequentially connected and being formed annular, and Flexible element includes upward convex upper arc
Face 51, downwardly convex lower arc surface 53 and connect upper arc surface and lower arc surface inclined-plane 52, wherein inclined-plane with upper arc
Face and lower arc surface are tangent, and the angle between inclined-plane and horizontal plane is more than or equal to 50 degree and is less than or equal to 70 degree, the present embodiment
In, the angle between inclined-plane and horizontal plane is 60 degree；Upper arc surface and lower arc surface structure (symmetrical) therein is identical, includes
First segmental arc 501 and the second segmental arc 502 are connected between first segmental arc and second segmental arc by a straightway 503
It connects；For the ease of assembling and improving its stability, the annular groove that cross section is rectangle, the ring are offered in the upper end outer rim of ball seat
Shape slot extends radially outwardly to ball seat side wall, and elastomeric element and shim are mounted in the annular groove.
When assembling, spherical shell is fixed in frock clamp, ball stud is positioned in the installation cavity of spherical shell, and ball seat is put
Being placed in installation cavity open end makes its inner surface be contacted with sphere；Disk spring and waveform compensation washer are inserted in annular groove successively
Interior, the disk spring conical surface downward, makes the pin rod of ball stud be in state vertically upward, and be inserted in generally columnar tooling pressure
First 7, at this point, pin rod is located in the centre bore of tooling pressure head, it is equipped in the lower face of pressure head ontology for being connect with First terrace
Touch and realize the second step face 701 of limit and for contacting and making it to generate plastic deformation with waveform compensation washer upper surface
Third step surface；It drives tooling pressure head to push by press, third step surface and the upper surface of waveform compensation washer is made to contact,
And continue to move down make its boss generate plastic deformation, until First terrace contacted with second step face arrival lower dead center, press
It resets and tooling pressure head is made to move up, disk spring resets and shim is made to move up at this time；In shim upper ends sealing plate,
It is set to move down and be contacted with First terrace by tooling, and so that spherical shell open end radially-inwardly bending and is pushed down envelope by revolving riveting
To realize fixation, tooling and mold reset plate, at this point, disk spring springs back and generate decrement, which is equal to tooling pressure
Vertical range on head between second step face and third step surface；At this point, shim integrally moves up, make end face and the thereon
One step surface is concordant, and the amount that it is moved up is supplied to disk spring to deform, it is made to compress the ball seat of lower end, and ball seat is made to compress ball
Body is used to form even twisting moment to generate rotary damping；
The utility model kind can generate the automobile ball head assembly of steady torque, add shim, pass through shim
It deforms to compensate the accumulated error of other accessories generation, ensures that the decrement of disk spring is consistent, realize the stabilization of product torque
Property, product quality reliability and use reliability are substantially increased, and improve safety in utilization.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (7)
1. a kind of automobile ball head assembly that can generate steady torque, it is characterised in that：Including spherical shell, ball seat, ball stud and waveform
Shim, the installation cavity of open top is formed on the spherical shell, and the ball seat is mounted on the installation cavity upper end, the ball
Spherical cavity is formed between seat and the installation cavity, the ball stud includes the ball being rotatably mounted in the spherical cavity
Body and the pin rod outside the spherical cavity is extended to after being fixed on the sphere side wall and through-hole on the ball seat；Institute
The upper surface for stating ball seat is equipped with disk spring, and the upper end of the disk spring is equipped with waveform compensation washer, the installation cavity it is interior
Wall upper end offers annular groove, and the sealing plate contacted with waveform compensation washer upper surface, institute are equipped in the annular groove
State the open end flanging that radially-inwardly bending formation is contacted with the sealing plate upper surface of spherical shell.
2. the automobile ball head assembly of steady torque can be generated as described in claim 1, it is characterised in that：The waveform compensation pad
Circle includes the washer body of generally circular ring shape, and the reciprocal bending of washer body forms waveform.
3. the automobile ball head assembly of steady torque can be generated as described in claim 1, it is characterised in that：The waveform compensation pad
Circle includes the Flexible element for being sequentially connected and being formed annular, and the Flexible element includes upward convex upper arc surface, downwardly convex
The inclined-plane of lower arc surface and the connection upper arc surface and the lower arc surface.
4. the automobile ball head assembly of steady torque can be generated as claimed in claim 3, it is characterised in that：The inclined-plane is and institute
It states upper arc surface and the lower arc surface is tangent.
5. the automobile ball head assembly of steady torque can be generated as claimed in claim 3, it is characterised in that：The inclined-plane and level
Angle between face is more than or equal to 50 degree and is less than or equal to 70 degree.
6. the automobile ball head assembly of steady torque can be generated as claimed in claim 5, it is characterised in that：The inclined-plane and level
Angle between face is 60 degree.
7. the automobile ball head assembly of steady torque can be generated as claimed in claim 3, it is characterised in that：The upper arc surface and
The lower arc surface structure is identical, includes the first segmental arc and the second segmental arc, first segmental arc and second arc
It is connected by a straightway between shape section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721686630.4U CN207795836U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile ball head assembly that can generate steady torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721686630.4U CN207795836U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile ball head assembly that can generate steady torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795836U true CN207795836U (en) | 2018-08-31 |
Family
ID=63283193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721686630.4U Active CN207795836U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile ball head assembly that can generate steady torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795836U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630540A (en) * | 2019-01-03 | 2019-04-16 | 广西鸣新底盘部件有限公司 | A kind of bulb pin assembly of automatic compensation gap |
| CN113400874A (en) * | 2021-06-15 | 2021-09-17 | 东风柳州汽车有限公司 | Thrust rod and car |
| CN109630540B (en) * | 2019-01-03 | 2024-05-14 | 广西鸣新底盘部件有限公司 | Ball pin assembly capable of automatically compensating clearance |
-
2017
- 2017-12-06 CN CN201721686630.4U patent/CN207795836U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630540A (en) * | 2019-01-03 | 2019-04-16 | 广西鸣新底盘部件有限公司 | A kind of bulb pin assembly of automatic compensation gap |
| CN109630540B (en) * | 2019-01-03 | 2024-05-14 | 广西鸣新底盘部件有限公司 | Ball pin assembly capable of automatically compensating clearance |
| CN113400874A (en) * | 2021-06-15 | 2021-09-17 | 东风柳州汽车有限公司 | Thrust rod and car |
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