CN204300116U - A kind of automobile ball head assembly - Google Patents
A kind of automobile ball head assembly Download PDFInfo
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- CN204300116U CN204300116U CN201420732783.8U CN201420732783U CN204300116U CN 204300116 U CN204300116 U CN 204300116U CN 201420732783 U CN201420732783 U CN 201420732783U CN 204300116 U CN204300116 U CN 204300116U
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- pad
- butterfly spring
- head assembly
- ball seat
- ball head
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Abstract
The utility model relates to a kind of automobile ball head assembly, comprise spherical shell, ball seat, be arranged on mandrel on ball seat and shrouding, it is characterized in that: bottom ball seat and between shrouding, be also provided with butterfly spring and pad, under the state that pad is subject to external force frock, pad just in time can compressive strain and butterfly spring close contact, compared with prior art, the utility model adopts the combination of butterfly spring and pad, its advantage is, 1, when produce in each accessory tolerance stack time, the energy of deformation of pad compensates the impact of these tolerances on shaking moment; 2. when gap appears in mandrel because of abrasion, the recovery deformability of butterfly spring is enough to overcome surface friction drag and promotes ball seat, gap between mandrel and ball seat is obtained compensate, pad can prevent after setting up butterfly spring that it is tending towards even because local pressure is excessive, to make butterfly spring requirement larger elastic force can be produced in less deformation space, and less force variation scope can also be maintained simultaneously.
Description
Technical field
The utility model belongs to the technical field of automobile chassis structure, particularly, relates to a kind of automobile ball head assembly being applied to steering linkages.
Background technique
Automobile ball head assembly is arranged in automobile steering system, plays connection, steering-effecting.In automobile using process; bulb usually can owing to there will be loose frame between wearing and tearing and spherical shell, and this situation gently then affects the stability of automobile, travelling comfort; and can be formed the motion of auto parts and interfere; destruction geometry distributes, and as toe-in of front wheel, accelerates damage parts; as tire wear etc.; heavy then automobile ball head is hauled out from spherical shell, cause vehicle operating malfunctioning, cause the car crash accident that serious mechanical accident is even great.In order to alleviate the wearing and tearing of bulb, traditional automobile ball head assembly comprises ball seat, ball stud, spring, ball bowl, dust-proof cover and a sleeve, described ball seat is provided with the bulb hole for placing ball stud, described sleeve connection is in the bottom in bulb hole, ball bowl is provided with in described sleeve, described spring is arranged between sleeve inner bottom part and ball bowl, the bulb part of described ball stud and ball bowl tight contact therewith, in the steering ball end assembly of said structure, the effect of described sleeve is used to fixing spring, thus prevent because ball stud swings and spring is offset, in addition because spring has elasticity, therefore, in use, when ball stud is subject to mild wear, the compensate function that automatically resets of spring extends the working life of steering ball end assembly to a certain extent.But, the very large problem that the steering ball end assembly of said structure exists is to require high to the elastic performance of spring, so the corresponding manufacture cost of this steering ball end assembly is just higher, in addition, due to the restriction by space, bulb hole, spring herein can not make of very thick Spring Steel Wire, therefore, easily phenomenon of rupture is there is in spring in the using process of steering ball end assembly, the situation that fracture especially occurs when the steering ball end assembly of this structure uses on heavy trucks the driver is just more frequent, thus not only substantially reduce the working life of steering ball end assembly, and reduce its safety index used.
For solving the problems of the technologies described above, one patent No. is that the Chinese utility model patent " automobile ball head assembly " of ZL201120167758.6 (notification number is CN202091348U) discloses a kind of like this automobile ball head assembly comprising spherical shell, bulb, supporting element and elastic component, wherein: spherical shell is formed in one structure, is provided with through hole at the top of spherical shell and bottom; Spherical shell bottom through-hole is provided with bottom; Bulb is positioned at spherical shell; Supporting element is positioned at the bottom of spherical shell, and the end face of supporting element is provided with the concave surface matched with bulb profile; Elastic component is between supporting element and bottom.The automobile ball head assembly that this automobile ball head assembly provides, elastic component just can by supporting element jack-up, and make supporting element can keep close contact with bulb, and after wearing and tearing appears in bulb and supporting element, both can be fitted together by elastic component.Compared with prior art, this automobile ball head assembly can be avoided due to bulb and supporting element wearing and tearing and occur the problem that bulb is slack and undisciplined.By the research to technique, although present inventor finds that this elastic component can alleviate the abrasion condition of bulb to a certain extent, but along with the increase of time, the Flexible change of elastic component is large, easy generation torsion changes greatly and the phenomenon of instability, and the scrappage of this automobile ball head assembly is high in production process, and fatigue strength does not reach automobile fitting standard 1,000,000 times, therefore needs to be improved further existing automobile ball head assembly.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of long service life for above-mentioned prior art present situation and torsion changes little automobile ball head assembly.
The utility model solves the problems of the technologies described above adopted technological scheme: this automobile ball head assembly, comprise spherical shell, the ball seat be arranged in described spherical shell, the shrouding that is arranged on the mandrel on described ball seat and is arranged on bottom described spherical shell, it is characterized in that: bottom described ball seat and between shrouding, be also provided with butterfly spring and pad, under the state that described pad is subject to external force frock, described pad just in time can compressive strain and butterfly spring close contact.
Further, the difference of the external diameter of described butterfly spring and pad must not be greater than 0.5mm.The difference of the external diameter of this butterfly spring and pad must not be greater than 0.5mm, and so that ensure just in time can compressive strain and butterfly spring close contact at the state lower levelling plate being subject to external force pressure frock, it has long service life, torsion changes little feature.
Further, the height before described butterfly spring compressive strain must not lower than 0.88mm.
Further, the altitude range after described butterfly spring compressive strain is between 0 ~ 0.06mm or 0 ~ 0.08mm.Under the state that pad is subject to external force frock, altitude range after butterfly spring compressive strain is between 0 ~ 0.06mm or 0 ~ 0.08mm, it is the optimal displacement of butterfly spring, be enough to overcome surface friction drag and promote ball seat, the gap between mandrel and ball seat is made to obtain effective compensation, control at 1-4N.m to reach shaking moment, make fatigue experiment can reach 1,000,000 times simultaneously, finally make automobile ball head assembly still can maintain normal work by predetermined pressure.
Further, described pad comprises the shim body that middle part is provided with through hole, and the periphery wall of described shim body has the edge in upwards extending extension simultaneously.The periphery wall entirety of this shim body is the arc shape of upwards indent, and under the state being subject to external force pressure frock, the compressive strain of shim body energy is to provide stronger pretightening force to butterfly spring.
As preferably, described pad is dish-shaped pad.
Compared with prior art, the utility model has the advantage of the combination adopting butterfly spring and pad, solve existing bulb when turning to that in assembly, ball seat wear extent is excessive, the problem that the axial force that the undue extension of spring makes elastic force decline to cause also correspondingly reduces, in use, when there is gap because of abrasion in mandrel, the recovery deformability of butterfly spring is enough to overcome surface friction drag and promotes ball seat, gap between mandrel and ball seat is obtained compensate, disappear, arrange pad solve when produce in each accessory tolerance stack time, the energy of deformation of pad compensates the impact of these tolerances on shaking moment, pad can also prevent from being tending towards homogenization because local pressure is excessive after setting up butterfly spring, larger elastic force can be produced in less deformation space to make butterfly spring requirement, and less force variation scope can also be maintained simultaneously, in addition, just in time can compressive strain and butterfly spring close contact at the state lower levelling plate being subject to external force pressure frock, it has long service life, torsion changes little feature, can also ensure that automobile can not because of the advanced wear of mandrel within the maintenance period of regulation simultaneously, slack and undisciplined and the frequent replacing caused.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model embodiment before frock;
Fig. 2 is the structural representation in the utility model embodiment in frock;
Fig. 3 is the schematic enlarged-scale view at I place in Fig. 2;
Fig. 4 is the structural representation in the utility model embodiment after frock middle cover upper sealing plate;
Fig. 5 is the structural representation in the utility model embodiment after frock.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1 ~ 5, it is a preferred embodiment of the present utility model.This automobile ball head assembly comprises spherical shell 1, the ball seat 2 be arranged in spherical shell 1, the shrouding 4 that is arranged on the mandrel 3 on ball seat 2 and is arranged on bottom spherical shell 1, butterfly spring 5 and dish-shaped pad 6 is also provided with bottom ball seat 2 and between shrouding 4, this dish-shaped pad 6 comprises the shim body that middle part is provided with through hole, and the periphery wall of dish-shaped pad 6 body has the edge in upwards extending extension simultaneously, the overall arc shape in upwards indent.
During frock, be loaded in spherical shell 1 successively by the order in Fig. 2, the pressure specified by designing requirement is exerted pressure to the frock bottom spherical shell 1, this power is passed to dish-shaped pad 6 successively and completes compressive strain, the frock 7 plate face C of pressure pad sheet contacts with dish-shaped pad 6 and rear butterfly spring 5 to be flattened, but dish pad 6 is subject to external force is not also out of shape, external force continues to add great talent makes dish-shaped pad 6 be out of shape B and face A close contact below, the face that dish pad 6 contacts with face C and face B have certain distance 0.06-0.08mm, but the back stretch of butterfly spring 5 bounces dish-shaped pad 6 after removing external force, but dish-shaped pad 6 lowermost end can not be ejected face B, shrouding 4 (see Fig. 3 and Fig. 4) is loaded onto after frock completes, each parts in automobile ball head assembly form a seal force system, dish pad 6 just in time can compressive strain and butterfly spring 5 close contact, the external diameter of butterfly spring 5 is greater than dish-shaped pad 6 and both differences of external diameter are preferably 0.3mm, height before butterfly spring 5 is out of shape must not lower than 0.88mm, and the altitude range after butterfly spring 5 compressive strain is between 0 ~ 0.06mm or 0 ~ 0.08mm.This distance can make butterfly spring 5 can produce larger elastic force in less deformation space, and maintains less force variation scope, and control at 1-4N.m finally to reach shaking moment, fatigue experiment can reach the object of 1,000,000 times.When butterfly spring 5 produces distortion, automobile ball head assembly normally works, system internal force keeps homeostasis substantially, even if occur that wearing and tearing form a little gap and also automatically can eliminate under the homeostasis pressure effect of dish-shaped pad 6, automobile ball head assembly is made still to maintain normal work.
Claims (6)
1. an automobile ball head assembly, comprise spherical shell (1), the ball seat (2) be arranged in described spherical shell (1), be arranged on the mandrel (3) on described ball seat (2) and be arranged on described spherical shell (1) bottom shrouding (4), it is characterized in that: between described ball seat (2) bottom and shrouding (4), be also provided with butterfly spring (5) and pad, under the state that described pad is subject to external force frock, described pad just in time can compressive strain and butterfly spring (5) close contact.
2. automobile ball head assembly according to claim 1, is characterized in that described butterfly spring (5) must not be greater than 0.5mm with the difference of the external diameter of pad.
3. automobile ball head assembly according to claim 1 and 2, is characterized in that the height before described butterfly spring (5) compressive strain must not lower than 0.88mm.
4. automobile ball head assembly according to claim 1 and 2, is characterized in that the altitude range after described butterfly spring (5) compressive strain is between 0 ~ 0.06mm or 0 ~ 0.08mm.
5. automobile ball head assembly according to claim 1 and 2, it is characterized in that described pad comprises the shim body that middle part is provided with through hole, and the periphery wall of described shim body has the edge in upwards extending extension simultaneously.
6. automobile ball head assembly according to claim 1 and 2, is characterized in that described pad is dish-shaped pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732783.8U CN204300116U (en) | 2014-11-28 | 2014-11-28 | A kind of automobile ball head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732783.8U CN204300116U (en) | 2014-11-28 | 2014-11-28 | A kind of automobile ball head assembly |
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| Publication Number | Publication Date |
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| CN204300116U true CN204300116U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732783.8U Active CN204300116U (en) | 2014-11-28 | 2014-11-28 | A kind of automobile ball head assembly |
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| CN (1) | CN204300116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312776A (en) * | 2016-06-10 | 2019-02-05 | 费德罗-莫格尔汽车配件有限责任公司 | The method of slot component and manufacture slot component |
-
2014
- 2014-11-28 CN CN201420732783.8U patent/CN204300116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312776A (en) * | 2016-06-10 | 2019-02-05 | 费德罗-莫格尔汽车配件有限责任公司 | The method of slot component and manufacture slot component |
| CN109312776B (en) * | 2016-06-10 | 2021-06-04 | 费德罗-莫格尔汽车配件有限责任公司 | Socket assembly and method of manufacturing socket assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |