CN203394994U - Spin-riveting-free spherical hinge for vehicle - Google Patents
Spin-riveting-free spherical hinge for vehicle Download PDFInfo
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- CN203394994U CN203394994U CN201320382481.8U CN201320382481U CN203394994U CN 203394994 U CN203394994 U CN 203394994U CN 201320382481 U CN201320382481 U CN 201320382481U CN 203394994 U CN203394994 U CN 203394994U
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- ball pin
- cover
- ball
- dust
- kayser
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Abstract
The utility model provides a spin-riveting-free spherical hinge for a vehicle. The spin-riveting-free spherical hinge mainly comprises a ball pin (1), a ball pin bush (3) and a ball pin seat (4), wherein a spherical end of the ball pin (1) is movably connected to a spherical inner cavity of the ball pin seat (4); the bottom of the ball pin bush (3) is integrally formed and closed, and the middle part of the ball pin bush (3) is provided with a cylinder which partially extends towards the top of the ball pin bush (3) and shrinks gradually to form a round sealing opening; the external surface of the ball pin seat (4) is matched with a spherical hollow cavity of the ball pin bush (3); a round opening is formed in the top of the ball pin seat (4), is located below the round sealing opening in the top of the ball pin bush (3) and is parallel with the round sealing opening; the diameter of the round sealing opening in the top of the ball pin bush (3) is smaller than the external diameter of the ball pin seat (4). When the spherical hinge is subjected to set assembling, a spin riveting assembling manner in conventional spherical hinge assembly is not needed, so that the total assembling time is shortened and subparts are saved.
Description
Technical field
The utility model relates to a kind of automobile ball pivot, especially relates to be applied to motor turning pull bar and connecting rod a kind of and exempts to revolve riveting formula automobile ball pivot.
Background technique
In the prior art, the conventional automobile ball pivot that is applied to motor turning pull bar and connecting rod is mainly comprised of sub-parts such as ball pin, ball pin cover, dust-proof cover, bottom, ball pin seats, in general assembly process, the assembling of ball pin, ball pin seat and ball pin cover adopts revolves riveting mode Assembly, and its riveted joint time is longer; Dust-proof cover wherein press-fits rear recycling collar to be fixed with ball pin, ball pin cover locking respectively, and bottom is positioned at ball pin cover bottom, and forms dismountable being flexibly connected with ball pin cover.
The sub-number of spare parts of above-mentioned automobile ball pivot is more, cause the overall process-cycle of required sub-part longer, and cause stock utilization low because of loss in processing, when ball pivot product carries out general assembly, also factor number of spare parts more and cause whole manufacture cycle extend, the low inferior problem of critical process manufacturing efficiency.
Model utility content
The technical problems to be solved in the utility model is: the problem existing for prior art, a kind of riveting formula automobile ball pivot of exempting to revolve is provided, and reduce the sub-number of spare parts of ball pivot, improve the efficiency of assembling of ball pivot assembly.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind ofly exempt to revolve riveting formula automobile ball pivot, mainly comprise ball pin, ball pin cover and ball pin seat, the spheric end of described ball pin is movably connected in the spherical inner chamber of ball pin seat, the bottom of described ball pin cover is integrated molding sealing, middle part is cylindrical body, described barrel portion extends to top and shrinks gradually formation circle and close up, the central axes that the described circular central axis closing up and ball pin are overlapped; Described ball pin seat is arranged in ball pin and overlaps inner spherical hollow space, and its outer surface mates identical with the spherical hollow space of ball pin cover mutually; At described ball pin seat top, be provided with circular open, the circle that described circular open is positioned at ball pin cover top closes up below and closes up parallel with circle; The diameter that the circle at described ball pin cover top closes up is less than the external diameter of ball pin seat.
Preferably, above-mentioned exempting from revolved riveting formula automobile ball pivot and also comprised dust-proof cover, and the opening end of described dust-proof cover forms interference fit with the cylindrical body at ball pin, ball pin cover middle part respectively.
Preferably, the cylindrical body arranged outside at described ball pin cover middle part has annular boss, the top end of described boss and the laminating of dust-proof cover bottom opening end face.
Preferably, two opening ends of described dust-proof cover are embedded with kayser, lower kayser, and the cross section of upper kayser is wherein L-shaped, and the cross section of lower kayser is V-shaped.
Preferably, the quantity of described upper kayser and lower kayser is one.
Preferably, in described ball pin, be provided with restraining groove, the opening end of the dust-proof cover at upper kayser place and restraining groove form interference fit.
Preferably, an opening end inside of described dust-proof cover is provided with circular groove, and another opening end inside is embedded with lower kayser, and the cross section of lower kayser is wherein V-shaped.
Preferably, in described ball pin, be provided with the spacing shaft shoulder, the top end of the opening end of the dust-proof cover at circular groove place and the laminating of the lower end surface of the spacing shaft shoulder.
Compared with prior art, the beneficial effects of the utility model are: because ball pin Tao top is provided with circular closing in, and the diameter that this circle closes up is less than the external diameter of ball pin seat, after the spheric end of ball pin is flexibly connected with ball pin seat, can close up ball pin and ball pin seat integral body are directly press-fited in the spherical hollow space of goal guide inside by this circle, and coordinate closely, that has avoided traditional ball pivot product completely revolves riveting formula general assembly, has improved general assembly efficiency; Meanwhile, the bottom of ball pin cover is that integrated molding directly seals, middle part is cylindrical body, therefore, has reduced traditional necessary bottom of automobile ball pivot, and the sub-number of spare parts of ball pivot is reduced, and has shortened the overall process-cycle of sub-part; In addition, the periphery of ball pin cover also helps the interference fit of opening end and the ball pin cover of dust-proof cover, strengthens sealing effect.
Accompanying drawing explanation
To be that the utility model is a kind of exempt to revolve riveting formula automobile ball pivot (the first embodiment) structural representation to Fig. 1.
Fig. 2 is the partial enlarged drawing of A portion in Fig. 1.
To be that the utility model is a kind of exempt to revolve riveting formula automobile ball pivot (the second embodiment) structural representation to Fig. 3.
Fig. 4 is the partial enlarged drawing of B portion in Fig. 3.
Fig. 5 is the partial enlarged drawing of C portion in Fig. 3.
Figure middle part product token name claims: 1-ball pin, the upper kayser of 2-, 3-ball pin cover, 4-ball pin seat, 5-boss, 6-dust-proof cover, 7-restraining groove, kayser under 8-, the spacing shaft shoulder of 9-, 10-circular groove.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind ofly exempt to revolve riveting formula automobile ball pivot, mainly comprise ball pin 1, ball pin cover 3 and ball pin seat 4, the spheric end of described ball pin 1 is movably connected in the spherical inner chamber of ball pin seat 4, it is integrated molding sealings that described ball pin is overlapped 3 bottoms, middle part is cylindrical body, described barrel portion extends to top and shrinks gradually formation circle and close up, and the described circular central axis closing up and ball pin are overlapped 3 central axes; Described ball pin seat 4 is arranged in the spherical hollow space that ball pin is overlapped 3 inside, and its outer surface mates identical with the spherical hollow space of ball pin cover 3 mutually; At described ball pin seat 4 tops, be provided with circular open, described circular open is positioned at ball pin and overlaps below the circle closing at 3 tops and close up parallel with circle; Described ball pin is overlapped the external diameter that diameter that the circle at 3 tops closes up is less than ball pin seat 4.
As shown in Figure 1 and Figure 2, above-mentioned exempt to revolve riveting formula automobile ball pivot and also comprise a dust-proof cover 6, the opening end of described dust-proof cover 6 overlaps respectively the cylindrical body formation interference fit at 3 middle parts with ball pin 1, ball pin, the cylindrical body outside of overlapping 3 middle parts in ball pin is also provided with annular boss 5, the top end of described boss 5 and dust-proof cover 6 bottom opening end face laminatings, adopt this structure can increase the area of contact of dust-proof cover 6 and boss 5, being conducive to increases the stability after dust-proof cover 6 assemblings, strengthens dust-proof effect.In order further to strengthen reliability and the sealing after dust-proof cover 6 assemblings, on the ball pin body of the close spheric end of ball pin 1, be provided with a restraining groove 7, the width of restraining groove 7 is slightly larger than the height of dust-proof cover 6 open top end, two opening ends at dust-proof cover 6 are embedded with respectively kayser 2 and a lower kayser 8 on one, the cross section of upper kayser 2 is wherein L-shaped, when the open top end of dust-proof cover 6 fits in restraining groove 7 completely, upper kayser 2 is also arranged in restraining groove 7 completely, the lifting surface area when top that is conducive to like this to increase dust-proof cover 6 coordinates with restraining groove 7, the cross section of lower kayser 8 is V-shaped, its outermost surface is parallel with the cylindrical body outer surface of ball pin cover 3, be conducive to strengthen the engaging elasticity of lower kayser 8, , the opening end at upper kayser 2 places of dust-proof cover 6 and restraining groove 7 form interference fit.
As another mode of execution, as shown in Figure 3-Figure 5, described exempt to revolve riveting formula automobile ball pivot and also comprise a dust-proof cover 6, upper opening end inside at dust-proof cover 6 is provided with circular groove 10, in ball pin 1, be provided with a spacing shaft shoulder 9, the external diameter of the spacing shaft shoulder 9 is greater than the external diameter of place ball pin body, after dust-proof cover 6 is in place, the top end of the opening end of the dust-proof cover 6 at circular groove 10 places and the laminating of the lower end surface of the spacing shaft shoulder 9, the opening end of dust-proof cover 6 overlaps respectively the cylindrical body formation interference fit at 3 middle parts with ball pin 1, ball pin; Especially, circular groove 10 also makes the upper opening end of dust-proof cover 6 be split into two relative parts and all form interference fit with ball pin 1, form a kind of double sealing structure, effectively prevent that the impurity of dust-proof cover 6 outsides from entering ball pivot inside and affecting overall performance; The lower opening end inside of dust-proof cover 6 is embedded with the lower kayser 8 identical with above-mentioned the first mode of execution completely, and its effect is also identical.
The general assembly process of the utility model ball pivot is as follows: first rubber and plastic class ball pin seat 4 is pressed fit in the spherical inner chamber of ball pin cover 3, then ball pin 1 assembling is pressed in ball pin cover 3, finally again dust-proof cover 6 is directly pressed into ball pin and overlaps 3 opening portions in the circular sealing bayonet socket closing up.Because the utility model merges as a whole by the ball pin cover in existing ball pivot product structure with bottom, whole inner chamber adopts the extrusion modling of metal cold processing mode, thereby the interior outside dimension of ball pin cover is settled at one go, the stability that has not only effectively promoted ball pin cover, has also shortened processing and assembling flow process simultaneously; Owing to directly having adopted extruding metal closing at ball pin cover opening portion, thereby form circular a closing in, when general assembly, the riveting assembly mode of revolving that can not need traditional ball pivot assembling to use completely, has shortened the general assembly time; In addition, on the installation way of dust-proof cover, what this ball pivot assembly adopted is directly to press-fit, utilize rubber and plastic class material dust-proof cover (its interface end inside is embedded with upper and lower kayser) plastic expansion characteristic freely, directly locking after interference fit, do not need to press-fit the special collar locking of rear use completely, the periphery of ball pin cover also helps the interference fit of opening end and the ball pin cover of dust-proof cover, strengthens sealing effect.Therefore, structure of the present utility model has not only reduced assemble flow, has shortened the general assembly time, and has saved the quantity of assembling required sub-part, has shortened the overall process-cycle of sub-part; When general assembly, the manufacturing efficiency in the time of can improving general assembly, reduces workman's working strength, saves production cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. exempt to revolve riveting formula automobile ball pivot for one kind, mainly comprise ball pin (1), ball pin cover (3) and ball pin seat (4), the spheric end of described ball pin (1) is movably connected in the spherical inner chamber of ball pin seat (4), it is characterized in that: described ball pin cover (3) bottom is integrated molding sealing, middle part is cylindrical body, described barrel portion extends to top and shrinks gradually formation circle and close up, the described circular central axis closing up and the central axes of ball pin cover (3); Described ball pin seat (4) is arranged in the inner spherical hollow space of ball pin cover (3), and its outer surface mates identical with the spherical hollow space of ball pin cover (3) mutually; At described ball pin seat (4) top, be provided with circular open, the circle that described circular open is positioned at ball pin cover (3) top closes up below and closes up parallel with circle; The diameter that the circle at described ball pin cover (3) top closes up is less than the external diameter of ball pin seat (4).
2. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 1, it is characterized in that: also comprise dust-proof cover (6), the opening end of described dust-proof cover (6) forms interference fit with the cylindrical body at ball pin (1), ball pin cover (3) middle part respectively.
3. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 2, it is characterized in that: the cylindrical body arranged outside at described ball pin cover (3) middle part has annular boss (5) top end of described boss (5) and the laminating of dust-proof cover (6) bottom opening end face.
4. according to a kind of described in claim 2 or 3, exempt to revolve riveting formula automobile ball pivot, it is characterized in that: two opening ends of described dust-proof cover (6) are embedded with kayser (2), lower kayser (8), the cross section of upper kayser (2) is wherein L-shaped, and the cross section of lower kayser (8) is V-shaped.
5. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 4, is characterized in that: described upper kayser (2) and the quantity of lower kayser (8) are one.
6. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 4, it is characterized in that: in described ball pin (1), be provided with restraining groove (7), the opening end of the dust-proof cover (6) at upper kayser (2) place and restraining groove (7) form interference fit.
7. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 2, it is characterized in that: an opening end inside of described dust-proof cover (6) is provided with circular groove (10), another opening end inside is embedded with lower kayser (8), and the cross section of lower kayser (8) is wherein V-shaped.
8. a kind of riveting formula automobile ball pivot of exempting to revolve according to claim 7, it is characterized in that: in described ball pin (1), be provided with the spacing shaft shoulder (9), the top end of the opening end of the dust-proof cover (6) at circular groove (10) place and the laminating of the lower end surface of the spacing shaft shoulder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320382481.8U CN203394994U (en) | 2013-06-28 | 2013-06-28 | Spin-riveting-free spherical hinge for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320382481.8U CN203394994U (en) | 2013-06-28 | 2013-06-28 | Spin-riveting-free spherical hinge for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394994U true CN203394994U (en) | 2014-01-15 |
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ID=49906529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320382481.8U Expired - Lifetime CN203394994U (en) | 2013-06-28 | 2013-06-28 | Spin-riveting-free spherical hinge for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791495A (en) * | 2015-03-19 | 2015-07-22 | 芜湖禾田汽车工业有限公司 | Dust cover for spherical hinge of automobile |
-
2013
- 2013-06-28 CN CN201320382481.8U patent/CN203394994U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791495A (en) * | 2015-03-19 | 2015-07-22 | 芜湖禾田汽车工业有限公司 | Dust cover for spherical hinge of automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |