CN104675848A - Ball pin joint assembly - Google Patents
Ball pin joint assembly Download PDFInfo
- Publication number
- CN104675848A CN104675848A CN201510095049.4A CN201510095049A CN104675848A CN 104675848 A CN104675848 A CN 104675848A CN 201510095049 A CN201510095049 A CN 201510095049A CN 104675848 A CN104675848 A CN 104675848A
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- ball
- ball pin
- sphere
- ball base
- pin joint
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Abstract
The invention discloses a ball pin joint assembly and belongs to the technical field of automobile parts. The ball pin joint assembly comprises a ball pin joint and a joint body, wherein the ball pin joint comprises a ball and a connector, the ball comprises an upper ball body and a lower ball body which are concentrically arranged, the diameter of the upper ball body is larger than that of the lower ball body, and the connector is matched with an automobile steering knuckle arm; an upper ball seat and a lower ball seat which are mutually matched are arranged in an inner cavity of the joint body, the upper ball body is movably mounted in the upper ball seat, the lower ball body is movably mounted in the lower ball seat, and a cavity between the bottom of the lower ball body and the arc-shaped inner wall of the lower ball seat forms a lubricating grease retaining cavity. The ball pin joint assembly is small in rotation resisting moment, prone to steering returnability and high in operation reliability.
Description
Technical field
The present invention relates to technical field of automobile, particularly a kind of ball pin connector assembly.
Background technique
Ball pin joint, as the key components and parts in automobile steering system, between commutator and steering knuckle arm, moves up and down with tire, by rotation and the swing of ball pin, the steering force of steering wheel is transferred to tire, realizes turning to.When ball pin joint breaks down, gently then affect the stability of automobile, heavy then vehicle operating can be caused malfunctioning, cause security incident occurs.Therefore, the reliability of ball pin joint is extremely important to car load safety.
As shown in Figure 1, be the structural representation of ball pin joint of the prior art.This ball pin joint 1 comprises: bulb 2 and connecting body 3, wherein, bulb 2 is in spherical shape structure, be arranged between the upper ball base of fittings body and lower ball base, because the area of contact between bulb 2 and upper ball base, lower ball base is larger, rotational resistance square in rotary course is larger, especially for the vehicle that cargo vehicle equivalent-load is heavier, because the load of steering shaft is larger, when turning to, tire resistance is comparatively large, and the rotational resistance square of ball pin joint is also comparatively large in addition, in rotary course, easily produce the problems such as steering reversal difference, be not easy to driver's operation, easily cause driving fatigue.
Prior art reference character:
1-ball pin joint; 2-bulb; 3-connecting body;
Embodiment of the present invention reference character:
4-ball pin joint; 5-fittings body; 6-bulb; 7-connecting body; 8-upper sphere;
9-lower sphere; 10-upper ball base; 11-lower ball base; 12-first positive stop lug boss;
13-second positive stop lug boss; 14-holddown spring; 15-the 3rd positive stop lug boss;
16-straight-through type grease nipple; 17-lubricating channels; 18-resilient dust boot;
19-ball stud; 20-bolt assembly department; 21-slotted nut; 22-pin-and-hole;
23-plug screw; The resident chamber of 24-lubricating grease; 25-snap ring; 26-through hole.
Summary of the invention
The invention provides a kind of ball pin connector assembly, rotational resistance square is little, is easy to steering reversal, and operational reliability is high.
The technological scheme that the embodiment of the present invention provides is as follows:
A kind of ball pin connector assembly, comprising: ball pin joint and fittings body; Described ball pin joint comprises bulb and connecting body, and described bulb comprises the upper sphere and lower sphere that arrange with one heart, and the diameter of described upper sphere is greater than the diameter of described lower sphere, and described connecting body coordinates with Steering Knuckle Arm; The upper ball base cooperatively interacted and lower ball base is provided with in the inner chamber of described fittings body, it is inner that described upper sphere is movably installed in described upper ball base, it is inner that described lower sphere is movably installed in described lower ball base, and the cavity bottom described lower sphere and between the circular arc inwall of described lower ball base forms the resident chamber of lubricating grease.
Preferably, described upper ball base is provided with multiple first positive stop lug boss, the chamber wall of the inner chamber of described fittings body is provided with first groove the same number of with described first positive stop lug boss, each described first positive stop lug boss is fastened in described first groove.
Preferably, the lateral margin of described lower ball base is provided with multiple second positive stop lug boss, the sidewall of the inner chamber of described fittings body is provided with second groove the same number of with described second positive stop lug boss, each described second positive stop lug boss is fastened in described second groove.
Preferably, also comprise: be arranged on the holddown spring between the bottom wall of inner cavity of described fittings body and described lower ball base.
Preferably, the bottom of described lower ball base is also provided with columniform 3rd positive stop lug boss, and described 3rd positive stop lug boss is inserted solid at the center of described holddown spring.
Preferably, the lateral margin of described upper sphere is provided with straight-through type grease nipple and many lubricating channels, described straight-through type grease nipple and described lubricating channels respectively with the inner space of described ball pin joint.
Preferably, also comprise: the resilient dust boot outside the joint being arranged on described ball pin joint and described fittings body, one end of described resilient dust boot fixes on the outer wall of described ball pin joint, and the other end of described resilient dust boot is fixed in the annular groove of described fittings body by snap ring.
Preferably, described connecting body comprises: ball stud and bolt assembly department, and one end of described ball stud is connected with described bulb, and the other end is connected with described bolt assembly department, and described bolt assembly department is provided with slotted nut.
Preferably, described bolt assembly department is provided with the pin-and-hole with the groove fit on described slotted nut.
Preferably, the diapire of the inner chamber of described fittings body is provided with plug screw, the sidewall of the inner chamber of described fittings body is provided with the pin-and-hole of the described plug screw that locks.
The ball pin connector assembly that the embodiment of the present invention provides, by the bulb in ball pin joint is set to concentric upper sphere and lower sphere, and the diameter of upper sphere is set to the diameter being greater than lower sphere, respectively upper sphere is movably installed in the upper ball base of fittings body, lower sphere is movably installed in the lower ball base of fittings body, ball pin joint is in rotary course, due to upper sphere and upper ball base, lower sphere is better with coordinating of lower ball base, and the cavity bottom lower sphere and between the circular arc inwall of lower ball base forms the resident chamber of lubricating grease, reduce area of contact on the one hand, be conducive to lubricating grease on the other hand resident, lubrication, thus effectively reduce rotational resistance square, be easy to steering reversal, there is higher operational reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of ball pin joint of the prior art;
Fig. 2 is the structural representation of the ball pin connector assembly that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the ball pin joint in Fig. 2;
Fig. 4 is the A direction view of Fig. 2;
Fig. 5 is the plan view of the upper ball base in Fig. 2;
Fig. 6 is that the B-O-B of Fig. 5 is to revolved sectional view;
Fig. 7 is the plan view of the lower ball base in Fig. 2;
Fig. 8 is that the C-O-C of Fig. 7 is to sectional view.
Embodiment
In order to the scheme making those skilled in the art person understand the embodiment of the present invention better, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.
Embodiments provide a kind of ball pin connector assembly, as shown in Fig. 2 to Fig. 8, comprising: ball pin joint 4 and fittings body 5; Wherein, ball pin joint 4 comprises bulb 6 and connecting body 7, and bulb 6 comprises the upper sphere 8 and lower sphere 9 that arrange with one heart, and the diameter of upper sphere 8 is greater than the diameter of lower sphere 9, and connecting body 7 coordinates with Steering Knuckle Arm; The upper ball base 10 and lower ball base 11 that cooperatively interact is provided with in the inner chamber of fittings body 5, it is inner that upper sphere 8 is movably installed in upper ball base 10, it is inner that lower sphere 9 is movably installed in lower ball base 11, and the cavity between the bottom of lower sphere 9 and the circular arc inwall of lower ball base 11 forms the resident chamber 24 of lubricating grease.By the bulb 6 in ball pin joint 4 is set to concentric upper sphere 8 and lower sphere 9, and the diameter of upper sphere 8 is set to the diameter being greater than lower sphere 9, respectively upper sphere 8 is movably installed in the upper ball base 10 of fittings body 5, lower sphere 9 is movably installed in the lower ball base 11 of fittings body 5, ball pin joint 4 is in rotary course, due to upper sphere 8 and upper ball base 10, lower sphere 9 is better with coordinating of lower ball base 11, and the cavity between the circular arc inwall of the bottom of lower sphere 9 and lower ball base 11 forms the resident chamber 24 of lubricating grease, reduce area of contact on the one hand, be conducive to lubricating grease on the other hand resident, lubrication, thus effectively reduce rotational resistance square, be easy to steering reversal, there is higher operational reliability.
In embodiments of the present invention, preferably the bottom ream of lower sphere 9 is put down, the bottom of lower sphere 9 is made to form plane structure, inwall due to lower ball base 11 is arc structure, cavity is formed between plane structure and arc structure, thus effectively reduce the area of contact of lower sphere 9 and lower ball base 11, friction can be reduced; In addition, be filled with lubricating grease in inner chamber due to ball pin joint 4, lubricating grease flows in this cavity, makes this cavity become the resident chamber 24 of lubricating grease, to lower sphere 9 and lower ball base 11 sufficient lubrication, thus rotational resistance square can be reduced further by the resident chamber 24 of lubricating grease.
Wherein, can according to the size of upper ball base 10 and lower ball base 11, the size of upper sphere 8 and lower sphere 9 is specifically set, preferably the diameter of upper sphere 8 is set to the diameter being slightly less than upper ball base 10, and the diameter of lower sphere 9 is set to the diameter being slightly less than lower ball base 11, thus upper sphere 8 and upper ball base 10, lower sphere 9 and lower ball base 11 are coordinated better, reduce the generation of rotational wobble.More preferably, the diameter of upper sphere 8 is set to 2 times of the diameter of lower sphere 9, to ensure bulk strength, rotational resistance is in preferable states.Prove through test, the ball pin joint 4 of this kind of structure is compared with ball pin joint 1 of the prior art, and rotational resistance square about reduces by 70%, and steering reversal significantly improves, and the life-span of upper ball base 10, lower ball base 11 is also effectively extended.
In order to prevent in ball pin joint 4 rotary course, shake between fittings body 5 and upper ball base 10, upper ball base 10 is provided with multiple first positive stop lug boss 12, and be provided with on the chamber wall of the inner chamber of fittings body 5 and the same number of first groove (not shown) of the first positive stop lug boss 12, each first positive stop lug boss 12 is fastened in first groove, effectively can prevent the rotational wobble between fittings body 5 and upper ball base 10, and then prevent upper ball base 10 premature abrasion.
In embodiments of the present invention, on the top that the first positive stop lug boss 12 can be arranged on upper ball base 10 and sidewall, wherein, preferably arrange at the top perimeter of upper ball base 10 rectangle first positive stop lug boss 12 that 4 height are 2mm, the relevant position of the corresponding inner cavity top at fittings body 5 also arranges rectangle first groove that 4 degree of depth are 2mm; And rectangle first positive stop lug boss 12 that 6 height are 2mm is set on the sidewall of upper ball base 10, the relevant position of the corresponding intracavity sidewall at fittings body 5 also arranges rectangle first groove that 6 degree of depth are 2mm, thus each first positive stop lug boss 12 is snapped in the first groove of a rectangle, thus effectively prevent from shaking in rotary course.
In like manner, in order to prevent in ball pin joint 4 rotary course, shake between ball pin joint 4 and lower ball base 11, the lateral margin of lower ball base 11 arranges multiple second positive stop lug boss 13, wherein, the sidewall of the inner chamber of fittings body 5 is provided with and the same number of second groove (not shown) of the second positive stop lug boss 13, each second positive stop lug boss 13 is fastened in second groove.Wherein, the number of the second positive stop lug boss 13 is preferably set to 6, shape is rectangular configuration, correspondingly, the number of the second groove is also set to 6, and shape is also set to rectangular configuration, by the cooperation of the second positive stop lug boss 13 and the second groove, effectively can prevent the rotational wobble between fittings body 5 and lower ball base 11, and then prevent lower ball base 11 premature abrasion.
Above-mentioned ball pin connector assembly also comprises: be arranged on the holddown spring 14 between the bottom wall of inner cavity of fittings body 5 and lower ball base 11, easily upper sphere 8 can be arranged in upper ball base 10, by lower sphere 9 by holddown spring 14 and be arranged in lower ball base 11, and make between spheroid with ball seat coordinate tightr.
The bottom of above-mentioned lower ball base 11 is also provided with columniform 3rd positive stop lug boss 15, during installation, inserts the 3rd positive stop lug boss 15 admittedly at the center of holddown spring 14, can carry out axial limiting to holddown spring 14, prevent it from axial motion occurring.
Lubricating grease is injected for the ease of the inner chamber to ball pin joint 4, straight-through type grease nipple 16 can be set on ball pin joint 4, wherein, preferably straight-through type grease nipple 16 is arranged on the lateral margin of upper sphere 8, in addition, many lubricating channels 17 can also be set on the lateral margin of upper sphere 8, and straight-through type grease nipple 16 and lubricating channels 17 are all set to the inner space with ball pin joint 4, thus can be convenient to after lubricating grease injects inner chamber from straight-through type grease nipple 16, the resident chamber 24 of lubricating grease is flowed into by lubricating channels 17, upper ball base 10, lower ball base 11, thus carry out sufficient lubrication between ball pin joint 4 and ball seat, further reduction surface friction drag.In addition, consider the sufficient lubrication of component, as shown in Figure 8, can also the through hole 26 from top to bottom run through be set on the axis of lower ball base 11, thus make lubricating grease by flowing between the ball pin of through hole 26 on lower ball base 11 top and the holddown spring 14 of lower ball base 11 bottom, thus sufficient lubrication can be carried out to component such as ball pin, holddown springs 14.
Enter to seal, prevent dust to ball pin joint 4, above-mentioned ball pin connector assembly, further comprise: the resilient dust boot 18 outside the joint being arranged on ball pin joint 4 and fittings body 5, wherein, one end of resilient dust boot 18 fixes on the outer wall of ball pin joint 4, and the other end of resilient dust boot 18 is fixed in the annular groove of fittings body 5 by snap ring 25.Wherein, resilient dust boot 18 preferably adopts polyurethane to make, and has certain intensity and elasticity, can effectively prevent dust from entering, and then extend the working life of ball pin joint 4.
Above-mentioned connecting body 7 comprises: ball stud 19 and bolt assembly department 20, wherein, one end of ball stud 19 is connected with bulb 6, the other end is connected with bolt assembly department 20, bolt assembly department 20 is provided with slotted nut 21, ball pin joint 4 firmly can be connected with Steering Knuckle Arm by slotted nut 21.Consider that Steering Knuckle Arm comprises pitman arm, steering straight arm and turns to the component such as curved boom, ball stud 19 can be set to cone structure, and arrange groove structure by the joint of ball stud 19 and bulb 6, ball stud 19 and the joint of bolt assembly department 20, thus ensure to coordinate better between component.
In order to cross-notching nut 21 carries out axial restraint, bolt assembly department 20 is provided with the pin-and-hole 22 with the groove fit on slotted nut 21, wherein, the axis of pin-and-hole 22 through bolt assembly department 20 and with this axis perpendicular, thus in the groove of pin-and-hole 22 and slotted nut 21 after insertion opening pin, slotted nut 21 and bolt assembly department 20 can be fixedly secured, prevent from coming off in using process.
In the embodiment of the present invention, the diapire of the inner chamber of fittings body 5 is provided with plug screw 23, in order to plug screw 23 and fittings body 5 are locked, the sidewall of the inner chamber of fittings body 5 arranges pin-and-hole 22, by insertion opening pin in pin-and-hole 22, the fastening of plug screw 23 and fittings body 5 can be realized, prevent from coming off in plug screw 23 using process.
The ball pin connector assembly that the embodiment of the present invention provides, by the bulb in ball pin joint is set to concentric upper sphere and lower sphere, and the diameter of upper sphere is set to the diameter being greater than lower sphere, respectively upper sphere is movably installed in the upper ball base of fittings body, lower sphere is movably installed in the lower ball base of fittings body, ball pin joint is in rotary course, due to upper sphere and upper ball base, lower sphere is better with coordinating of lower ball base, and the cavity bottom lower sphere and between the circular arc inwall of lower ball base forms the resident chamber of lubricating grease, reduce area of contact on the one hand, be conducive to lubricating grease on the other hand resident, lubrication, thus effectively reduce rotational resistance square, be easy to steering reversal, there is higher operational reliability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a ball pin connector assembly, is characterized in that, comprising: ball pin joint and fittings body; Described ball pin joint comprises bulb and connecting body, and described bulb comprises the upper sphere and lower sphere that arrange with one heart, and the diameter of described upper sphere is greater than the diameter of described lower sphere, and described connecting body coordinates with Steering Knuckle Arm; The upper ball base cooperatively interacted and lower ball base is provided with in the inner chamber of described fittings body, it is inner that described upper sphere is movably installed in described upper ball base, it is inner that described lower sphere is movably installed in described lower ball base, and the cavity bottom described lower sphere and between the circular arc inwall of described lower ball base forms the resident chamber of lubricating grease.
2. ball pin connector assembly according to claim 1, it is characterized in that: described upper ball base is provided with multiple first positive stop lug boss, the chamber wall of the inner chamber of described fittings body is provided with first groove the same number of with described first positive stop lug boss, each described first positive stop lug boss is fastened in described first groove.
3. ball pin connector assembly according to claim 2, it is characterized in that: the lateral margin of described lower ball base is provided with multiple second positive stop lug boss, the sidewall of the inner chamber of described fittings body is provided with second groove the same number of with described second positive stop lug boss, each described second positive stop lug boss is fastened in described second groove.
4. ball pin connector assembly according to claim 3, is characterized in that, also comprise: be arranged on the holddown spring between the bottom wall of inner cavity of described fittings body and described lower ball base.
5. ball pin connector assembly according to claim 4, is characterized in that: the bottom of described lower ball base is also provided with columniform 3rd positive stop lug boss, and described 3rd positive stop lug boss is inserted solid at the center of described holddown spring.
6. ball pin connector assembly according to claim 5, is characterized in that: the lateral margin of described upper sphere is provided with straight-through type grease nipple and many lubricating channels, described straight-through type grease nipple and described lubricating channels respectively with the inner space of described ball pin joint.
7. ball pin connector assembly according to claim 6, it is characterized in that, also comprise: the resilient dust boot outside the joint being arranged on described ball pin joint and described fittings body, one end of described resilient dust boot fixes on the outer wall of described ball pin joint, and the other end of described resilient dust boot is fixed in the annular groove of described fittings body by snap ring.
8. ball pin connector assembly according to claim 7, it is characterized in that, described connecting body comprises: ball stud and bolt assembly department, and one end of described ball stud is connected with described bulb, the other end is connected with described bolt assembly department, and described bolt assembly department is provided with slotted nut.
9. ball pin connector assembly according to claim 8, is characterized in that: described bolt assembly department is provided with the pin-and-hole with the groove fit on described slotted nut.
10. ball pin connector assembly according to claim 9, is characterized in that: the diapire of the inner chamber of described fittings body is provided with plug screw, the sidewall of the inner chamber of described fittings body is provided with the pin-and-hole of the described plug screw that locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095049.4A CN104675848A (en) | 2015-03-03 | 2015-03-03 | Ball pin joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510095049.4A CN104675848A (en) | 2015-03-03 | 2015-03-03 | Ball pin joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675848A true CN104675848A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510095049.4A Pending CN104675848A (en) | 2015-03-03 | 2015-03-03 | Ball pin joint assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN104675848A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895912A (en) * | 2015-06-26 | 2015-09-09 | 芜湖创智机械技术有限公司 | Suspension ball joint pressed into automobile |
| CN106080765A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of non-maintaining drag-link joint |
| CN113174693A (en) * | 2020-01-24 | 2021-07-27 | 卡尔迈耶斯托尔研发有限公司 | Ball pin assembly |
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| US2855665A (en) * | 1953-06-25 | 1958-10-14 | Thompson Prod Inc | Ball joint |
| FR1535971A (en) * | 1967-09-04 | 1968-08-09 | Trw Inc | Ball joint |
| US3890052A (en) * | 1973-04-16 | 1975-06-17 | Trw Inc | Wear indicating joint assembly |
| CN2284310Y (en) * | 1996-06-21 | 1998-06-17 | 林长春 | Steering ball joint |
| CN101520069A (en) * | 2009-04-02 | 2009-09-02 | 郑建峰 | Steering ball end |
| CN204493434U (en) * | 2015-03-03 | 2015-07-22 | 安徽江淮汽车股份有限公司 | A kind of ball pin connector assembly |
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2015
- 2015-03-03 CN CN201510095049.4A patent/CN104675848A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2855665A (en) * | 1953-06-25 | 1958-10-14 | Thompson Prod Inc | Ball joint |
| FR1535971A (en) * | 1967-09-04 | 1968-08-09 | Trw Inc | Ball joint |
| US3890052A (en) * | 1973-04-16 | 1975-06-17 | Trw Inc | Wear indicating joint assembly |
| CN2284310Y (en) * | 1996-06-21 | 1998-06-17 | 林长春 | Steering ball joint |
| CN101520069A (en) * | 2009-04-02 | 2009-09-02 | 郑建峰 | Steering ball end |
| CN204493434U (en) * | 2015-03-03 | 2015-07-22 | 安徽江淮汽车股份有限公司 | A kind of ball pin connector assembly |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895912A (en) * | 2015-06-26 | 2015-09-09 | 芜湖创智机械技术有限公司 | Suspension ball joint pressed into automobile |
| CN104895912B (en) * | 2015-06-26 | 2018-01-26 | 安徽东立汽车部件有限公司 | One kind press-in assembly type vehicle suspension ball head |
| CN106080765A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of non-maintaining drag-link joint |
| CN106080765B (en) * | 2016-08-18 | 2018-03-20 | 安徽江淮汽车集团股份有限公司 | A kind of non-maintaining drag-link joint |
| CN113174693A (en) * | 2020-01-24 | 2021-07-27 | 卡尔迈耶斯托尔研发有限公司 | Ball pin assembly |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |