CN212980342U - U-shaped control arm capable of adjusting wheel inclination angle - Google Patents
U-shaped control arm capable of adjusting wheel inclination angle Download PDFInfo
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- CN212980342U CN212980342U CN202020956337.0U CN202020956337U CN212980342U CN 212980342 U CN212980342 U CN 212980342U CN 202020956337 U CN202020956337 U CN 202020956337U CN 212980342 U CN212980342 U CN 212980342U
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Abstract
A U-shaped control arm capable of adjusting the wheel inclination angle comprises a bent connecting piece, a ball pin rod, a locking bolt, a sleeve handle screw rod, a first locking nut, an inner and outer screw joint, a second locking nut, a wave-shaped elastic washer, a rubber bushing and an accessory connecting plate; the contour of the bent connecting piece is in a letter U shape, the bent connecting piece is formed by welding and connecting a joint shell in the middle and bent pipes on two sides of the joint shell, a spherical universal joint is installed in the joint shell, an inner ring bushing is arranged between the spherical universal joint and the joint shell, a through hole is formed in the center of the spherical universal joint, one end of a ball head pin rod is inserted into the through hole, a threaded hole is formed in the bottom of one end of the ball head pin rod inserted into the through hole, a locking bolt is arranged in the threaded hole, and the ball head pin rod is locked on the spherical universal joint; the ball pin rod is connected with the bent connecting piece in a detachable structure, so that the ball pin rod can be replaced by a new one conveniently after being worn without replacing the whole support arm, and the cost is greatly saved.
Description
The technical field is as follows:
the utility model relates to a wheel control arm especially relates to a U type control arm for adjusting wheel inclination.
Background art:
the prior automobile modification or original automobile assembly needs to fix the wheels, namely four-wheel positioning; the four-wheel positioning must be detected by special detecting instrument to determine the difference between the various angles of the four wheels and the original design and factory adjustment values, and then the adjustment and correction are carried out by special parts or tools to make the four-wheel positioning the same as the original design and factory adjustment values or in the whole process of tolerance range.
The four-wheel positioning needs to design various angles of the four wheels of the automobile, and also aims to ensure the running stability, safety and comfort of the automobile. The four-wheel positioning can ensure that the automobile does not have the phenomena of deviation, floating, sideslip, unstable steering, tire eccentric wear, aggravated wear of parts of a suspension system and the like.
The control arm structure used by the existing original factory vehicle is formed by pressing or integrally forging a whole steel plate by a forge piece, and the support arms are fixed and unadjustable structures and lack universality and adjustability; when the wheel angle has a problem, the wheel angle cannot return to a normal value even if a new control arm is replaced.
Meanwhile, the ball pin rod and the bent connecting piece are connected into a common integrated structure, so that the ball pin rod is inconvenient to replace after the pin rod is abraded, the whole support arm needs to be replaced, and the cost is high.
For the above reasons, the existing control arm structure cannot satisfy the various adjustment requirements.
The utility model has the following contents:
in order to overcome not enough among the background art, the utility model provides a U type control arm at adjustable wheel inclination adopts removable bulb pin pole, great reduction cost of maintenance, reduce the waste volume, shorten maintenance duration, can solve the trouble that arouses because of vehicle chassis changes effectively, and then improve the security performance of car.
The utility model provides a technical scheme that its technical problem adopted:
a U-shaped control arm capable of adjusting the wheel inclination angle comprises a bent connecting piece, a ball pin rod, a locking bolt, a sleeve handle screw rod, a first locking nut, an inner and outer screw joint, a second locking nut, a wave-shaped elastic washer, a rubber bushing and an accessory connecting plate; the contour of the bent connecting piece is in a letter U shape, the bent connecting piece is formed by welding and connecting a joint shell in the middle and bent pipes on two sides of the joint shell, a spherical universal joint is installed in the joint shell, an inner ring bushing is arranged between the spherical universal joint and the joint shell, a through hole is formed in the center of the spherical universal joint, one end of a ball head pin rod is inserted into the through hole, a threaded hole is formed in the bottom of one end of the ball head pin rod inserted into the through hole, a locking bolt is arranged in the threaded hole, and the ball head pin rod is locked on the spherical universal joint;
the lower end faces of two bent pipes of the bent connecting piece are provided with internal thread holes, external threads of the internal and external thread joints penetrate through the second locking nut and then are connected with positive threads of the internal thread holes on the lower end face of the bent connecting piece, and screw rod reverse threads arranged on the sleeve handle screw rod penetrate through the first locking nut and then are connected with internal hole reverse threads of the internal and external thread joints.
The diameter D of the ball head pin rod and the diameter D of the straight diameter D1 and the diameter D of the straight diameter D2 of the contact part of the locking bolt and the two ends of the ball-shaped universal joint are larger than the diameter D of the central hole of the ball-shaped universal joint.
The elbow is provided with an accessory connecting plate.
The external thread of the internal and external thread joint is set to be a positive thread, the internal thread is set to be a negative thread, the screw rod of the sleeve handle screw rod is set to be a negative thread, the second locking nut is a positive thread, and the first locking nut is a negative thread.
Due to the adoption of the technical scheme, the utility model discloses have following superiority:
the utility model provides a pair of U type control arm at adjustable wheel inclination, bulb pin rod are detachable construction with being connected of curved connecting piece, make things convenient for the new bulb pin rod of change after the pin rod wearing and tearing, and need not change whole root support arm, have practiced thrift the cost greatly. Reasonable in design, adaptable multiple motorcycle type, compact structure easily installs and old car repacking on new car.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the ball head assembly of the present invention
In the figure: 1. a curved connector; 2. a ball stud; 3. Locking the bolt; 4. a shank screw; 5. a first lock nut; 6. an inner and outer wire joint; 7. a second lock nut; 8. a wave-shaped elastic washer; 9. a rubber bushing; 10. an accessory connecting plate; 11. a ball-type universal joint; 12. an inner ring bushing; 13. a joint housing; 14. and (5) bending the pipe.
The specific implementation mode is as follows:
the present invention will be explained in more detail by the following examples, which are intended to protect all the changes and improvements within the scope of the present invention, and are not limited to the following examples;
the U-shaped control arm capable of adjusting the wheel inclination angle comprises a bent connecting piece 1, a ball head pin rod 2, a locking bolt 3, a sleeve handle screw rod 4, a first locking nut 5, an inner and outer screw joint 6, a second locking nut 7, a wave-shaped elastic washer 8, a rubber bushing 9 and an accessory connecting plate 10; the profile of the bent connecting piece 1 is in a letter U shape, the profile of the bent connecting piece 1 is in the letter U shape, the bent connecting piece 1 is formed by welding and connecting a joint shell 13 in the middle and bent pipes 14 at two sides of the joint shell 13, a ball-type universal joint 11 is installed in the joint shell 13, an inner ring lining 12 is arranged between the ball-type universal joint 11 and the joint shell 13, a through hole is formed in the center of the ball-type universal joint 11, one end of a ball pin rod 2 is inserted into the through hole in the middle of the ball-type universal joint 11, a threaded hole is formed in the bottom of one end, inserted into the through hole, of the ball pin rod 2, a locking bolt 3 is arranged in the threaded hole, the ball pin rod is locked on the ball-type universal joint, and the locking bolt 3 and the ball;
the end face is equipped with the internal thread hole under two bent pipes of curved connection 1, the outer silk of interior external screw joint 6 passes behind second lock nut 7 and just connects with the internal thread hole positive silk of curved connecting piece 1 lower part end face, the silk turn-ups of the lead screw that sets up on the shank screw rod 4 passes behind first lock nut 5 and connects with the interior hole negative silk of interior external screw joint 6.
Specifically, the external thread of the internal and external thread joint 6 is set as a positive thread, the internal thread is set as a negative thread, the lead screw of the sleeve handle screw rod 4 is set as a negative thread, the second locking nut 7 is a positive thread, and the first locking nut 5 is a negative thread.
The screwing body arranged at one end of the inner and outer screw joints 6 is a screwing structure body at least provided with two corresponding screwing planes; the first lock nut 5 and the second lock nut 7 are screw structures having at least two corresponding screw planes.
Referring to fig. 2, the ball-and-socket joint 11 can swing freely in the inner race bushing 12, and the diameters D1 and D2 of the ball stud 2 and the contact portion of the locking bolt 3 and the two ends of the ball-and-socket joint 11 are both greater than the diameter D of the central hole of the ball-and-socket joint 11. The bottom of the ball head pin rod 2 is provided with a threaded hole for being in threaded connection with the locking bolt 3. The lower end face of the ball pin rod 2 cannot protrude out of the lower end face of the universal joint 11 after installation. The ball stud 2 is installed and replaced, the lower portion of the ball stud 2 is inserted into a center hole of the universal joint 11, and then the locking bolt 3 is screwed into a threaded hole in the bottom of the ball stud 2 to be locked.
The utility model discloses an effect is the wrong wheel camber angle of correction to reduce the wearing and tearing of tire and steering parts during the vehicle traveles. Firstly, the rubber bush 9 on the sleeve handle screw rod 4 of the utility model is connected with a vehicle chassis suspension, then the ball head pin rod 2 is connected with a connecting hole corresponding to a vehicle wheel cleat, then the inner and outer screw joints 6 are rotated, the center distance between the rubber bush 9 and the ball head assembly 2 is increased or reduced, the second locking nut 7 is screwed towards the direction of the U-shaped bent connecting piece 1 after adjustment, the internal thread of the U-shaped bent connecting piece 1 and the external thread of the inner and outer screw joints 6 are forced to form a pulling force, the purpose of locking the inner and outer screw joints 6 is achieved, then the first locking nut 5 is screwed towards the direction of the screwing body of the inner and outer screw joints 6, the screw rod of the sleeve handle screw rod 4 and the internal thread of the inner and outer screw joints 6 are forced to form a; in order to ensure the locking reliability, wave-shaped elastic washers 8 are arranged between the first locking nut 5 and the inner and outer screw joints 6 and between the U-shaped bent connecting piece 1 and the second locking nut 7; the original vehicle wiring harness is fixed on the accessory connecting plate 10. Through the adjustment of the center distance, the purpose of adjusting the wheel angle is realized, and the installation work of the upper control arm which can be used for adjusting the wheel angle is declared to be finished.
The details of the above are not described in detail since they are prior art.
Claims (4)
1. The utility model provides a U type control arm at adjustable wheel inclination which characterized in that: the connecting device comprises a bent connecting piece, a ball pin rod, a locking bolt, a sleeve handle screw rod, a first locking nut, an internal and external thread joint, a second locking nut, a wave-shaped elastic washer, a rubber bushing and an accessory connecting plate;
the contour of the bent connecting piece is in a letter U shape, the bent connecting piece is formed by welding and connecting a joint shell in the middle and bent pipes on two sides of the joint shell, a spherical universal joint is installed in the joint shell, an inner ring bushing is arranged between the spherical universal joint and the joint shell, a through hole is formed in the center of the spherical universal joint, one end of a ball head pin rod is inserted into the through hole, a threaded hole is formed in the bottom of one end of the ball head pin rod inserted into the through hole, a locking bolt is arranged in the threaded hole, and the ball head pin rod is locked on the spherical universal joint;
the lower end faces of two bent pipes of the bent connecting piece are provided with internal thread holes, external threads of the internal and external thread joints penetrate through the second locking nut and then are connected with positive threads of the internal thread holes on the lower end face of the bent connecting piece, and screw rod reverse threads arranged on the sleeve handle screw rod penetrate through the first locking nut and then are connected with internal hole reverse threads of the internal and external thread joints.
2. The U-shaped control arm for adjusting wheel inclination of claim 1, wherein: the diameter D of the ball head pin rod and the diameter D of the straight diameter D1 and the diameter D of the straight diameter D2 of the contact part of the locking bolt and the two ends of the ball-shaped universal joint are larger than the diameter D of the central hole of the ball-shaped universal joint.
3. The U-shaped control arm for adjusting wheel inclination of claim 1, wherein: and the elbow is provided with an accessory connecting plate.
4. The U-shaped control arm for adjusting wheel inclination of claim 1, wherein: the external thread of the internal and external thread joint is set to be a positive thread, the internal thread is set to be a negative thread, the screw rod of the sleeve handle screw rod is set to be a negative thread, the second locking nut is a positive thread, and the first locking nut is a negative thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956337.0U CN212980342U (en) | 2020-05-31 | 2020-05-31 | U-shaped control arm capable of adjusting wheel inclination angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956337.0U CN212980342U (en) | 2020-05-31 | 2020-05-31 | U-shaped control arm capable of adjusting wheel inclination angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212980342U true CN212980342U (en) | 2021-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020956337.0U Active CN212980342U (en) | 2020-05-31 | 2020-05-31 | U-shaped control arm capable of adjusting wheel inclination angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212980342U (en) |
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2020
- 2020-05-31 CN CN202020956337.0U patent/CN212980342U/en active Active
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