CN210760143U - Ball hinge and car stabilizer bar connecting rod assembly - Google Patents
Ball hinge and car stabilizer bar connecting rod assembly Download PDFInfo
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- CN210760143U CN210760143U CN201921306080.8U CN201921306080U CN210760143U CN 210760143 U CN210760143 U CN 210760143U CN 201921306080 U CN201921306080 U CN 201921306080U CN 210760143 U CN210760143 U CN 210760143U
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Abstract
The utility model provides a ball hinge and automobile transverse stabilizer bar connecting rod assembly, the ball hinge of the utility model comprises a ball pin seat containing a bush, a ball pin with a ball head, a dustproof sleeve and a gland; a clamping groove in the circumferential direction of the ring, a ball pin convex ring and a clamping shoulder which form the clamping groove are formed on the extending end of the ball pin; the dustproof sleeve is provided with an upper connecting part and a lower connecting part which are respectively connected with the overhanging end and the ball pin base, the upper connecting part is provided with a butting surface which is butted with the clamping shoulder, and an upper groove which is circumferentially arranged on the ring is formed on the butting surface; the middle part of the dustproof cover is provided with a circuitous part which is circumferentially arranged on the ring, the circuitous part is arranged close to the upper connecting part and is in a concave curved shape towards one side of the lower connecting part. The connecting rod assembly of the transverse stabilizer bar of the automobile of the utility model changes the surface contact between the butt surface and the clamping shoulder into the line contact by arranging the upper groove on the butt surface, thereby improving the sealing performance; the arrangement of the roundabout part can increase the swing stroke of the ball pin and meet the swing angle requirement.
Description
Technical Field
The utility model relates to an automobile parts technical field, in particular to ball hinge. Meanwhile, the invention also relates to an automobile transverse stabilizer bar connecting rod assembly with the ball hinge.
Background
During the running of the automobile, if the automobile runs on an uneven road or turns, the wheels on the left side and the right side are at different heights, so that the transverse rolling of the automobile body can be caused. In order to prevent the transverse side inclination of the automobile body and improve the smoothness and comfort of the automobile in the running process, a transverse stabilizer bar is arranged at the bottom of the automobile.
The stabilizer bar is an important part for ensuring the operation performance of the automobile, and is a U-shaped spring torsion bar made of spring steel and transversely arranged at the front end and the rear end of the bottom of the automobile body. The middle part of the transverse stabilizer bar is hinged with the frame through a sleeve, and the two ends of the transverse stabilizer bar are connected with the lower supporting arms or the shock absorber sliding columns along the transverse left side and the transverse right side of the vehicle through a connecting rod assembly with a ball hinge. The connecting rod assembly is connected between the stabilizer bar and the shock absorber support and is responsible for transmitting the bearing force difference generated by the two wheels to the stabilizer bar.
The failure mode of the existing connecting rod assembly of the transverse stabilizer bar of the automobile is generally early abnormal abrasion caused by the fact that silt enters a spherical hinge cavity due to the sealing failure of a dustproof sleeve. In a specific structure, the upper connecting part and the lower connecting part of the dustproof sleeve are radial seals, and the failure mode is generally the seal failure caused by the reduction of elasticity after long-term compression and aging of rubber; the existing dustproof sleeve is generally in a shape of a cone with a small upper part and a large lower part, the swing stroke of the ball pin can be limited, the swing angle requirement of the connecting rod assembly of the automobile transverse stabilizer bar cannot be met, and the ball pin swings and stretches the dustproof sleeve for a long time, so that the service life of the dustproof sleeve is shortened.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a ball hinge to improve the application effect of the dust cover.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a ball hinge, the ball hinge being disposed at an end of a link in an automotive stabilizer bar link assembly, and the ball hinge comprising:
the ball pin seat is fixedly connected with the connecting rod, an accommodating cavity is formed in the ball pin seat, and the accommodating cavity is provided with an upper opening and a lower opening which are respectively arranged at two ends of the accommodating cavity;
the bushing is accommodated in the accommodating cavity of the ball pin seat, and a ball hinge cavity is formed in the bushing;
the ball pin comprises a ball head which is in ball joint with the ball joint cavity, and an extending end which is integrally formed with the ball head and extends out of the accommodating cavity from the upper opening; a clamping groove which is circumferentially arranged on the ring body, a ball pin convex ring and a clamping shoulder which form the clamping groove are formed on the overhanging end, and the ball pin convex ring is arranged close to the upper opening relative to the clamping shoulder;
the dustproof sleeve is sleeved on the extending end and provided with an upper connecting part and a lower connecting part which are respectively arranged at the two ends of the dustproof sleeve, the upper connecting part is clamped in the clamping groove, and the lower connecting part is connected with the ball pin seat to form sealing of the upper opening; the upper connecting part is provided with an abutting surface which is abutted and connected with the clamping shoulder, and an upper groove which is circumferentially arranged on the ring is formed on the abutting surface; a circuitous part which is circumferentially arranged on the ring is formed in the middle of the dustproof sleeve, and the circuitous part is arranged close to the upper connecting part and is in a curved shape which is concave towards one side of the lower connecting part;
and the gland is fixedly arranged at the lower opening.
Further, the abutting surface is conical, and the large-diameter end of the abutting surface is arranged close to the clamping shoulder.
Furthermore, the upper connecting part is provided with an annular surface connected with the abutting surface, the annular surface is attached to the bottom of the clamping groove, and a lower groove circumferentially arranged on the ring is formed in the annular surface.
Further, the lower grooves are a plurality of grooves arranged in series along the axial direction of the annular surface.
Furthermore, an oil groove is formed on the inner wall of the spherical hinge cavity.
Furthermore, the ball hinge is located including the cover last rand of connecting portion and the cover is located the jump ring on the lower connecting portion, go up connecting portion by the rand cramp in the draw-in groove, lower connecting portion by the jump ring cramp in on the ball key seat.
Furthermore, a clamping groove is formed in the position, close to the lower opening, of the accommodating cavity, a convex bushing convex ring protruding outwards is formed on the bushing, the convex bushing convex ring can be clamped in the clamping groove, and the convex bushing convex ring can be clamped between the gland and the ball pin seat due to the clamping of the gland in the clamping groove.
Furthermore, a connecting part which can be connected with an external component and a rotation stopping part which can be matched with the external component to limit the rotation of the ball pin around the axial direction of the ball pin are formed on the extending end.
Further, the connecting portion is a thread formed in the circumferential direction of the overhanging end, and the rotation stopping portion is an overhanging end groove formed in the end portion of the overhanging end.
Compared with the prior art, the utility model discloses following advantage has:
(1) the connecting rod assembly of the transverse stabilizer bar of the automobile of the utility model can change the surface contact between the butt surface and the clamping shoulder into the line contact by arranging the upper groove on the butt surface, thereby improving the sealing performance; the arrangement of the roundabout part can increase the swing stroke of the ball pin, meet the swing angle requirement of the ball pin, prevent the ball pin from excessively stretching the dustproof sleeve in the swing process and prolong the service life.
(2) The butt surface is conical, and can form close fit with the existing clamping shoulder structure, so that the sealing performance of the dustproof sleeve is further improved.
(3) The lower groove is arranged on the annular surface, so that the surface contact between the annular surface and the bottom of the clamping groove is changed into line contact, and the sealing performance of the dustproof sleeve is further improved.
(4) The lower grooves are continuously arranged along the axial direction of the annular surface, so that better sealing performance is achieved.
(5) The oil groove is formed in the inner wall of the spherical hinge cavity, so that smooth and non-blocking rotation of the ball head is facilitated, the friction resistance between the ball head and the bushing can be reduced, and the service life of the spherical hinge is prolonged.
(6) The upper connecting part and the lower connecting part are respectively hooped by the clamping ring and the clamping spring, so that the sealing reliability can be improved.
(7) Set up the bush bulge loop on the bush, can prevent effectively that the bush from rotating along with the ball round pin, the swing of realization ball round pin that can be better satisfies the moment performance of car stabilizer bar connecting rod assembly.
(8) The ball pin is characterized in that the connecting part and the rotation stopping part are arranged on the extending end, the connecting part is favorable for connecting the ball pin and an external component, and the rotation stopping part can limit the ball pin to rotate around the axial direction of the ball pin in the connecting process of the ball pin and the external component, so that the assembly is facilitated.
Another object of the utility model is to provide a car stabilizer bar connecting rod assembly, including the connecting rod, and link firmly in the connecting rod both ends as above the ball hinge, just the tip of connecting rod with the ball pin boss links firmly together.
The utility model discloses a car stabilizer bar connecting rod assembly has the same beneficial effect with aforementioned ball hinge for prior art, no longer gives unnecessary details here.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a ball hinge according to a first embodiment of the present invention in an applied state;
fig. 2 is a schematic structural diagram of a ball hinge according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a dust boot according to a first embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of the portion B of FIG. 3;
description of reference numerals:
1-ball pin seat, 2-bush, 3-ball pin, 4-dustproof sleeve, 5-gland, 6-collar, 7-snap spring and 8-pull rod;
101-an accommodating cavity, 102-an upper opening, 103-a lower opening and 104-a clamping groove;
201-spherical hinge cavity, 202-bushing convex ring;
301-a ball head, 302-an overhanging end, 303-a clamping groove, 304-a clamping shoulder, 305-a ball pin convex ring, 306-a connecting part and 307-a rotation stopping part;
401-upper connecting part, 402-lower connecting part, 403-circuitous part, 404-abutting surface, 405-annular surface, 406-upper groove, 407-lower groove, 408-clamping groove.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The present embodiment relates to a ball hinge, as shown in fig. 1 and 2, which is disposed at an end of a connecting rod in a car stabilizer bar connecting rod assembly, and the ball hinge mainly includes a ball pin seat 1, a bushing 2, a ball pin 3, a dust cover 4 and a gland 5.
The structure of the ball pin seat 1 will be described with reference to fig. 2, the ball pin seat 1 is substantially cylindrical, the outer wall of the ball pin seat 1 is fixedly connected to the connecting rod, and the ball pin seat 1 and the connecting rod can be welded together by welding process or integrally formed by casting process. Be formed with holding chamber 101 in ball round pin seat 1, holding chamber 101 is cylindrical and has the upper shed 102 and the under shed 103 of arranging in self both ends separately, so can form cylindrical surface cooperation with bush 2 to overcome current spherical surface complex not enough, reduce the processing degree of difficulty, practice thrift the processing cost, improve ball hinge performance.
Specifically, an installation groove is formed in a portion of the outer peripheral wall of the ball pin boss 1 near the upper opening 102, so that a dust boot 4 described below can be installed. A clamping groove 104 is formed in the receiving cavity 101 near the lower opening 103 to facilitate installation of the gland 5, and an edge of the gland 5 is inserted into the clamping groove 104 to fix the gland 5.
The bushing 2, whose structure is still shown in fig. 2, is housed in a housing cavity 101 of the ball and socket 1 and is made of plastic material. Be interference fit between bush 2 and ball round pin seat 1, be formed with in bush 2 inside and be hemispherical ball pivot chamber 201, the equal uncovered setting in both ends in ball pivot chamber 201, the overhanging end 302 of following ball round pin 3 stretches out by the uncovered of being close to upper shed 102, and the uncovered by the end cover shutoff of being close to under shed 103, and is equipped with the clearance between the bulb 301 of end cover and ball round pin 3 to form the oil storage chamber, be favorable to realizing the lubrication of bulb 301.
The outer wall of the bushing 2 is provided with a bushing convex ring 202 which protrudes outwards, the bushing convex ring 202 is clamped in the clamping groove 104, the bushing convex ring 202 can be clamped in the clamping groove 104 by the pressing cover 5 and is clamped between the pressing cover 5 and the ball pin base 1, and the pressing cover 5 exerts acting force on the bushing convex ring 202, so that the bushing 2 is effectively prevented from rotating in the accommodating cavity 101 of the ball pin base 1, the swinging of the ball pin 3 can be better realized, and the torque performance of the connecting rod assembly of the transverse stabilizer bar of the automobile is met. An oil groove is formed in the inner wall of the spherical hinge cavity 201, so that lubricating oil can be filled between the ball head 301 and the spherical hinge cavity 201, abrasion to the lining 2 can be reduced, smooth swinging of the ball pin 3 is facilitated, and the specific structure of the oil groove can be referred to the prior art.
The ball pin 3 is also constructed as shown in fig. 3, and is made of alloy steel material, and is primarily formed through a cold heading or cold extrusion process, and then is finally formed through heat treatment and machining. The ball pin 3 specifically includes a ball head 301 that is ball-hinged in the ball-hinge cavity 201, and an extending end 302 that is integrally formed with the ball head 301 and extends from the upper opening 102 to the outside of the accommodating cavity 101. A snap groove 303 circumferentially provided around the ring itself, and a ball pin protruding ring 305 and a snap shoulder 304 forming the snap groove 303 are formed on the protruding end 302, and the ball pin protruding ring 305 is disposed near the upper opening 102 with respect to the snap shoulder 304.
In addition, a connecting portion 306 capable of connecting with an external member and a rotation stop portion 307 capable of cooperating with the external member to limit the rotation of the ball pin 3 around its own axis are formed on the overhanging end 302. In a specific structure, the connecting portion 306 is a thread formed on the circumference of the protruding end 302 for connecting with an external member such as a lock nut not shown in the drawings, and the rotation stopping portion 307 is a protruding end groove formed on the end of the protruding end 302 for connecting with an external member such as a wrench. More specifically, the cross section of the groove of the overhanging end is in a hexagon shape, and the groove is connected with a wrench in the assembling process so as to effectively prevent slipping in the assembling process, avoid the ball pin 3 from rotating along with the lock nut, effectively ensure the tightening torque of the lock nut, and improve the use reliability of the ball hinge.
The dustproof sleeve 4 is connected between the ball pin 3 and the ball pin boss 1, sleeved on the extending end 302 and provided with an upper connecting part 401 and a lower connecting part 402 which are respectively arranged at two ends of the dustproof sleeve, the upper connecting part 401 is clamped in the clamping groove 303, and the lower connecting part 402 is connected with the ball pin boss 1 and clamped in the mounting groove of the ball pin boss 1 to form sealing of the upper opening 102.
Specifically, the upper connecting portion 401 has an abutting surface 404 abutting against the shoulder 304, the abutting surface 404 is tapered, and a large-diameter end of the abutting surface 404 is disposed close to the shoulder 304, so that the upper connecting portion 401 is clamped in the clamping groove 303, and can form a tight fit with the shoulder 304, and the sealing performance is good. An upper groove 406 circumferentially arranged around the ring itself is also formed on the abutting surface 404 to form a line contact with the clip shoulder 304, further improving the sealing performance.
In addition, the upper connecting portion 401 further includes an annular surface 405 connected to the abutting surface 404, the annular surface 405 is in abutting contact with the bottom of the snap groove 303, a lower groove 407 circumferentially provided around the annular surface 405 is formed on the annular surface 405, and the lower groove 407 is specifically a plurality of grooves continuously arranged in the axial direction of the annular surface 405, so that the sealing reliability can be further improved.
The middle part of the dustproof cover 4 is provided with a circuitous part 403 which is circumferentially arranged around the ring, and the circuitous part 403 is arranged close to the upper connecting part 401 and is in a curved shape which is concave towards one side of the lower connecting part 402; the structure can increase the swing stroke of the ball pin, meet the swing angle requirement of the ball pin, prevent the ball pin from excessively stretching the dustproof sleeve in the swing process and prolong the service life. The end of the lower connecting part 402 is also conical, and the large diameter end forms the end of the dust-proof sleeve 5, after the lower connecting part 402 is installed in the installation groove of the ball pin seat 3, the end of the lower connecting part 402 is limited in the installation groove and tightly abuts against the inner wall of the installation groove due to the self-deformation elasticity, so as to improve the sealing performance.
The ball hinge includes a retainer ring 6 sleeved on the upper connection portion 401 and a clamp spring 7 sleeved on the lower connection portion 402, and in order to improve the sealing effect, a clamping groove 408 is formed on the outer wall of the upper connection portion 401 and the outer wall of the lower connection portion 402 respectively to embed the retainer ring 6 and the clamp spring 7 respectively. The clamping ring 6 is in a ring shape, and the upper connecting part 401 is clamped in the clamping groove 303 by the clamping ring 6; the clamp spring 7 is an annular spring which is overlapped together, and the lower connecting part 402 is hooped in the mounting groove of the ball pin base 1 by the clamp spring 7. In this structure, rand 6 and jump ring 7 all have the effect that increases the sealed reliability of dirt proof boot 4.
Finally, it should be noted that the aforementioned pressing cover 5 is a circular steel plate, which can press the ball pin 3 into the ball pin seat 1, and form a seal for the lower opening 103 of the accommodating cavity 101, so as to prevent foreign matters such as silt from entering the ball hinge cavity 201 and affecting the swing of the ball pin 3.
Example two
The embodiment relates to a connecting rod assembly of a transverse stabilizer bar of an automobile, which can still be seen in fig. 1 and comprises a connecting rod and a ball hinge fixedly connected to two ends of the connecting rod as in the first embodiment, wherein the connecting rod is processed and molded by adopting an aluminum alloy material forging process, a weight-reducing groove-shaped structure is formed on the periphery of the connecting rod, and the end part of the connecting rod is fixedly connected with a ball pin seat 1.
The car stabilizer bar connecting rod assembly of this embodiment can effectively prevent 2 wearing and tearing of bush through the ball hinge that adopts embodiment one, prolongs the life of this car stabilizer bar connecting rod assembly to can guarantee the reliability in utilization of this car stabilizer bar connecting rod assembly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A ball hinge, characterized in that: the ball hinge is disposed at an end of a link in an automotive stabilizer bar link assembly, and includes:
the ball pin seat (1) is fixedly connected with the connecting rod, an accommodating cavity (101) is formed in the ball pin seat (1), and the accommodating cavity (101) is provided with an upper opening (102) and a lower opening (103) which are respectively arranged at two ends of the accommodating cavity;
the bushing (2) is accommodated in the accommodating cavity (101) of the ball pin seat (1), and a ball hinge cavity (201) is formed in the bushing (2);
the ball pin (3) comprises a ball head (301) which is in ball joint with the ball joint cavity (201), and an extending end (302) which is integrally formed with the ball head (301) and extends out of the accommodating cavity (101) from the upper opening (102); a clamping groove (303) which is circumferentially arranged on the ring, a ball pin convex ring (305) and a clamping shoulder (304) which form the clamping groove (303) are formed on the overhanging end (302), and the ball pin convex ring (305) is arranged close to the upper opening (102) relative to the clamping shoulder (304);
the dustproof sleeve (4) is sleeved on the overhanging end (302) and is provided with an upper connecting part (401) and a lower connecting part (402) which are respectively arranged at two ends of the dustproof sleeve, the upper connecting part (401) is clamped in the clamping groove (303), and the lower connecting part (402) is connected with the ball pin seat (1) to form sealing of the upper opening (102); the upper connecting part (401) is provided with an abutting surface (404) abutting against the clamping shoulder (304), and an upper groove (406) circumferentially arranged on the abutting surface (404) is formed; a circuitous part (403) circumferentially arranged on the ring is formed in the middle of the dustproof sleeve (4), and the circuitous part (403) is arranged close to the upper connecting part (401) and is in a curved shape concave to one side of the lower connecting part (402);
and the gland (5) is fixedly arranged at the lower opening (103).
2. The ball hinge of claim 1, wherein: the abutment surface (404) is tapered, and a large-diameter end of the abutment surface (404) is arranged close to the clip shoulder (304).
3. The ball hinge of claim 1, wherein: the upper connecting part (401) is provided with an annular surface (405) connected with the abutting surface (404), the annular surface (405) is abutted with the bottom of the clamping groove (303), and a lower groove (407) circumferentially arranged on the annular surface (405) is formed.
4. The ball hinge of claim 3, wherein: the lower grooves (407) are arranged in series in the axial direction of the annular surface (405).
5. The ball hinge of claim 1, wherein: an oil groove is formed on the inner wall of the spherical hinge cavity (201).
6. The ball hinge of claim 1, wherein: the ball hinge comprises a clamping ring (6) sleeved on the upper connecting portion (401) and a clamping spring (7) sleeved on the lower connecting portion (402), the upper connecting portion (401) is clamped in the clamping groove (303) through the clamping ring (6), and the lower connecting portion (402) is clamped in the ball pin seat (1) through the clamping spring (7).
7. The ball hinge of claim 1, wherein: a clamping groove (104) is formed in the position, close to the lower opening (103), of the accommodating cavity (101), a convex bushing convex ring (202) is formed on the bushing (2), the bushing convex ring (202) can be clamped in the clamping groove (104), and the bushing convex ring (202) can be clamped between the gland (5) and the ball pin seat (1) due to the clamping of the gland (5) in the clamping groove (104).
8. The ball hinge according to any one of claims 1-7, wherein: the overhanging end (302) is provided with a connecting part (306) which can be connected with an external component, and a rotation stopping part (307) which can be matched with the external component and can limit the ball pin (3) to rotate around the axial direction of the ball pin.
9. The ball hinge of claim 8, wherein: the connecting part (306) is a thread formed on the periphery of the overhanging end (302), and the rotation stopping part (307) is an overhanging end groove formed at the end part of the overhanging end (302).
10. The utility model provides a car stabilizer bar connecting rod assembly which characterized in that: comprising a connecting rod, and a ball hinge according to any of claims 1-9 attached to both ends of the connecting rod, and the ends of the connecting rod are attached to the ball pin socket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306080.8U CN210760143U (en) | 2019-08-14 | 2019-08-14 | Ball hinge and car stabilizer bar connecting rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306080.8U CN210760143U (en) | 2019-08-14 | 2019-08-14 | Ball hinge and car stabilizer bar connecting rod assembly |
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| Publication Number | Publication Date |
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| CN210760143U true CN210760143U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921306080.8U Active CN210760143U (en) | 2019-08-14 | 2019-08-14 | Ball hinge and car stabilizer bar connecting rod assembly |
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| CN (1) | CN210760143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199917A (en) * | 2021-05-21 | 2021-08-03 | 宁波永信汽车部件制造有限公司 | Stabilizer bar assembly of automobile rear suspension |
-
2019
- 2019-08-14 CN CN201921306080.8U patent/CN210760143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199917A (en) * | 2021-05-21 | 2021-08-03 | 宁波永信汽车部件制造有限公司 | Stabilizer bar assembly of automobile rear suspension |
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