Simple and replaceable steering pull rod structure

Abstract

The utility model discloses a simple replaceable steering pull rod structure which comprises an inner connecting rod and an outer connecting rod, the inner connecting rod and the outer connecting rod comprise a sleeve, an adjusting rod is movably connected in the sleeve in an inserted mode, pin holes are formed in the adjusting rod and the sleeve, hexagon bolts are installed in the pin holes, and threaded grooves are formed in the sleeve and the adjusting rod. According to the steering pull rod, the operation space for replacing the outer spherical hinge or the inner spherical hinge can be enlarged, the outer spherical hinge or the inner spherical hinge can be conveniently and directly disassembled, the whole steering pull rod does not need to be disassembled, and the steering pull rod can be conveniently disassembled through the structure that the outer spherical hinge, the inner spherical hinge, the inner connecting rod and the outer connecting rod are mutually separated instead of the whole structure in the prior art. Therefore, the outer spherical hinge or the inner spherical hinge can be independently disassembled, assembled and replaced by unscrewing the hexagonal locking nut and the connecting rod, and the pull rod structure can be bent when the outer spherical hinge or the inner spherical hinge is replaced, so that the outer spherical hinge or the inner spherical hinge can be conveniently replaced, the operation is simple and convenient, and the maintenance convenience of the steering pull rod is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a simple replaceable steering drag link structure. BACKGROUND

[0002] The steering drag link is an important part of the steering gear of an automobile, and is composed of an inner drag link and an outer drag link. The inner drag link is connected with the rack of the steering gear, and the outer drag link is connected with the knuckle arm of the whole vehicle. The inner and outer drag links are connected through threads and are fastened by a hexagonal nut. Ball hinges are connected to the inner and outer drag links. The steering drag link has the function of transmitting force and can transmit the torsion from the steering wheel to the tire, so as to realize the steering of the vehicle.

[0003] The outer ball hinge and the inner ball hinge of the existing steering drag link structure form a whole with the inner drag link and the outer drag link, respectively. When one of the outer ball hinge or the inner ball hinge is damaged and needs to be replaced, the drag link and the ball hinge need to be replaced as a whole. Moreover, the length of the existing steering drag link is not adjustable, so when the ball hinge is replaced, the whole steering drag link needs to be removed from the vehicle for replacement, which is very inconvenient to operate, resulting in poor convenience of the steering drag link maintenance. SUMMARY

[0004] The utility model aims at providing a simple replaceable steering drag link structure to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a simple replaceable steering drag link structure, including inner and outer connecting rods, the inner and outer connecting rods include sleeve, the sleeve is movably inserted with adjusting rod, the adjusting rod and sleeve all are equipped with pin hole, and the pin hole is installed with hexagonal bolt, the sleeve and adjusting rod all are equipped with thread groove, two the thread groove all are threadedly connected with connecting rod, two the connecting rod is fixedly connected with outer ball hinge and inner ball hinge respectively, the connecting rod and the connecting place of inner and outer connecting rods are threadedly connected with hexagonal lock nut, the sleeve includes first cylinder and second cylinder, the first cylinder is fixedly connected with rotating plate, the second cylinder is equipped with U type groove, the rotating plate is located in the U type groove, the rotating plate is rotatably connected on the second cylinder through lock dead bolt.

[0007] Preferably, the outer ball hinge includes an outer ball shell fixedly connected to the connecting rod, an outer ball seat rotatably connected in the outer ball shell, an outer ball pin fixedly connected to the outer ball seat, and a sealing cover fixedly connected to the outer ball shell. The bottom of the outer ball shell is provided with a sealing cover.

[0008] Preferably, the inner ball hinge includes an inner ball rod fixedly connected to the connecting rod, and an inner ball shell installed outside the inner ball rod. The inner ball shell is fixedly connected with an inner ball seat.

[0009] Preferably, the second cylinder is fixedly connected with a positioning rod, and the adjusting rod is provided with a positioning hole.

[0010] Preferably, the inner wall of the second cylinder is symmetrically provided with two limiting sliding grooves, and the rod wall of the adjusting rod is symmetrically provided with two limiting clamping strips corresponding to the limiting sliding grooves, and the two limiting clamping strips are located in the two limiting sliding grooves, respectively.

[0011] Preferably, the hexagonal bolt comprises a screw rod movably inserted into the pin hole, one end of the screw rod is fixedly connected with a hexagonal baffle, and a limiting nut is threadedly sleeved on the screw rod, and the sleeve is located between the hexagonal baffle and the limiting nut.

[0012] Preferably, the positioning rod and the positioning hole are both rectangular in shape.

[0013] Preferably, the first cylinder and the adjusting rod are both symmetrically provided with two key grooves.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses an inner and outer connecting rod, a sleeve, an adjusting rod, a hexagonal bolt, a threaded groove, a connecting rod, an outer ball hinge, an inner ball hinge and a hexagonal locking nut are set up, can improve the operating space when replacing the outer ball hinge or the inner ball hinge, directly remove the outer ball hinge or the inner ball hinge directly, do not need to disassemble the whole steering drag link, the structure that the outer ball hinge, the inner ball hinge and the inner and outer connecting rod are separated each other is set up, not the integral structure in prior art, can be individually disassembled and replaced to the outer ball hinge or the inner ball hinge through loosening the hexagonal locking nut and the connecting rod, and through the included angle between the first cylinder and the second cylinder, can make the drag link structure to bend when replacing the outer ball hinge or the inner ball hinge, thereby can conveniently replace the outer ball hinge or the inner ball hinge operation, simple and convenient operation, effectively improve the convenience of steering drag link maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the side view of the utility model;

[0018] Figure 3 It is the front view of the utility model;

[0019] Figure 4 It is Figure 3 The sectional view of A-A direction;

[0020] Figure 5 It is Figure 4 The structure schematic view of B part;

[0021] Figure 6 For Figure 1 Structure diagram of inner and outer ball hinge;

[0022] Figure 7 Structure diagram of inner and outer ball hinge in the figure;

[0023] Figure 8 Structure diagram of prior art steering pull rod.

[0024] In the figure: 1, inner and outer connecting rod; 2, sleeve; 3, adjusting rod; 4, hexagonal bolt; 5, threaded groove; 6, connecting rod; 7, outer ball hinge; 8, inner ball hinge; 9, hexagonal locking nut; 10, outer ball shell; 11, outer ball seat; 12, outer ball pin; 13, sealing cover; 14, sealing cover; 15, inner ball shell; 16, inner ball seat; 17, inner ball rod; 18, positioning rod; 19, positioning hole; 20, limiting sliding groove; 21, limiting clamping strip; 22, screw rod; 23, hexagonal baffle; 24, limiting nut; 25, key groove; 26, first cylinder; 27, second cylinder; 28, rotating plate; 29, U-shaped groove; 30, locking pin. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-8 The present application provides a simple and replaceable steering pull rod structure, which comprises an inner and outer connecting rod 1, the inner and outer connecting rod 1 comprises a sleeve 2, the sleeve 2 movably inserts an adjusting rod 3, the adjusting rod 3 and the sleeve 2 are both provided with a pin hole, and a hexagonal bolt 4 is installed in the pin hole, the sleeve 2 and the adjusting rod 3 are both provided with a threaded groove 5, two connecting rods 6 are threadedly connected in the threaded grooves 5, an outer ball hinge 7 and an inner ball hinge 8 are respectively fixedly connected to the two connecting rods 6, a hexagonal locking nut 9 is threadedly connected at the connection between the connecting rod 6 and the inner and outer connecting rod 1, the sleeve 2 comprises a first cylinder 26 and a second cylinder 27, the first cylinder 26 is fixedly connected with a rotating plate 28, the second cylinder 27 is provided with a U-shaped groove 29, the rotating plate 28 is located in the U-shaped groove 29, and the rotating plate 28 is rotatably connected to the second cylinder 27 through a locking pin 30.

[0027] In the above embodiment, when the steering tie rod needs to be repaired, the hexagonal bolt 4 is loosened, the hexagonal bolt 4 is pulled out of the pin hole, the limiting of the hexagonal bolt 4 on the sleeve 2 and the adjusting rod 3 is released, the inner and outer connecting rods 1 can be retracted by pushing the sleeve 2 or the adjusting rod 3, the overall length of the inner and outer connecting rods 1 is reduced, the operating space when replacing the outer ball hinge 7 or the inner ball hinge 8 is improved, the outer ball hinge 7 or the inner ball hinge 8 can be directly removed without disassembling the entire steering tie rod, the outer ball hinge 7, the inner ball hinge 8 and the inner and outer connecting rods 1 are separated from each other, instead of the overall structure in the prior art, the outer ball hinge 7 or the inner ball hinge 8 can be replaced by loosening the hexagonal locking nut 9 and the connecting rod 6, and the angle between the first cylinder 26 and the second cylinder 27 can be adjusted to bend the tie rod structure when replacing the outer ball hinge 7 or the inner ball hinge 8, so that the outer ball hinge 7 or the inner ball hinge 8 can be replaced, which is simple and convenient, and effectively improves the convenience of repairing the steering tie rod. When the first cylinder 26 and the second cylinder 27 are installed on the car for use, the locking pin 30 is locked and cannot rotate, and when repairing, the locking pin 30 is loosened so that it can rotate, which does not affect the stability of the tie rod in use.

[0028] The outer ball hinge 7 comprises an outer ball shell 10 fixedly connected to the connecting rod 6, the outer ball shell 10 is rotatably connected with an outer ball seat 11, the outer ball seat 11 is fixedly connected with an outer ball pin 12, the outer ball shell 10 is fixedly connected with a sealing cover 13 and a sealing cover 14, and the outer ball pin 12 is connected to the whole vehicle knuckle arm, so as to transmit the torsion of the steering wheel.

[0029] The inner ball hinge 8 comprises an inner ball rod 17 fixedly connected to the connecting rod 6, the inner ball rod 17 is externally provided with an inner ball shell 15, the inner ball shell 15 is fixedly connected with an inner ball seat 16, in use, the inner ball shell 15 is connected with the steering rack of the vehicle, and the inner ball rod 17 can rotate in the inner ball seat 16, so as to smoothly transmit the torsion.

[0030] The second cylinder 27 is fixedly connected with a positioning rod 18, the adjusting rod 3 is provided with a positioning hole 19, and the adjusting rod 3 is movably inserted into the positioning hole 19, the positioning rod 18 and the positioning hole 19 are matched with each other, which can improve the convenience of aligning the adjusting rod 3 with the pin hole on the second cylinder 27, and improve the convenience of using the inner and outer connecting rods 1.

[0031] The inner wall of the second barrel 27 is symmetrically provided with two limiting sliding grooves 20, the rod wall of the adjusting rod 3 is symmetrically provided with two limiting clamping strips 21 corresponding to the limiting sliding grooves 20, and the two limiting clamping strips 21 are located in the two limiting sliding grooves 20 respectively. Through the cooperation of the limiting sliding grooves 20 and the limiting clamping strips 21, the adjusting rod 3 and the second barrel 27 can be limited, the rotation of the inner and outer connecting rods 1 can be avoided, and the structural strength of the inner and outer connecting rods 1 can be improved.

[0032] The hexagonal bolt 4 comprises a screw rod 22 movably inserted into the pin hole, one end of the screw rod 22 is fixedly connected with a hexagonal baffle 23, a limiting nut 24 is threadedly sleeved on the screw rod 22, and the sleeve 2 is located between the hexagonal baffle 23 and the limiting nut 24. Through the cooperation of the hexagonal baffle 23 and the limiting nut 24, the screw rod 22 can be stably inserted into the pin hole, so that the adjusting rod 3 and the sleeve 2 can be stably fixed.

[0033] The shapes of the positioning rod 18 and the positioning hole 19 are both rectangular, which can improve the cooperation effect of the positioning rod 18 and the positioning hole 19, prevent the sleeve 2 from rotating relative to the adjusting rod 3, and improve the structural stability of the inner and outer connecting rods 1.

[0034] The first barrel 26 and the adjusting rod 3 are both symmetrically provided with two key grooves 25, which can facilitate the positioning of the installation of the outer spherical hinge 7 or the inner spherical hinge 8.

[0035] Working principle: when the steering pull rod needs to be repaired, the hexagonal bolt 4 is loosened, the hexagonal bolt 4 is pulled out of the pin hole, the limiting of the sleeve 2 and the adjusting rod 3 by the hexagonal bolt 4 is released, the sleeve 2 or the adjusting rod 3 is pushed, so that the inner and outer connecting rods 1 can be retracted, the overall length of the inner and outer connecting rods 1 can be reduced, the operation space during replacement of the outer spherical hinge 7 or the inner spherical hinge 8 can be improved, the outer spherical hinge 7 or the inner spherical hinge 8 can be directly disassembled, the entire steering pull rod does not need to be disassembled, the outer spherical hinge 7, the inner spherical hinge 8 and the inner and outer connecting rods 1 are separated from each other, instead of the overall structure in the prior art, the hexagonal locking nut 9 and the connecting rod 6 are loosened to individually disassemble, replace and adjust the angle between the first barrel 26 and the second barrel 27, so that the pull rod structure can be bent during replacement of the outer spherical hinge 7 or the inner spherical hinge 8, the replacement operation of the outer spherical hinge 7 or the inner spherical hinge 8 can be facilitated, the operation is simple and convenient, and the convenience of the steering pull rod repair is effectively improved.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A simple replaceable steering tie rod structure, characterized by: The utility model relates to a kind of inner-outer connecting rods, which include sleeve (2), adjusting rod (3) is movably inserted in the sleeve (2), the sleeve (2) and adjusting rod (3) are all provided with pin hole, and hexagonal bolt (4) is installed in the pin hole, the sleeve (2) and adjusting rod (3) are all provided with threaded groove (5), two threaded groove (5) are all threadedly sleeved with connecting rod (6), two connecting rod (6) are respectively fixedly connected with outer spherical hinge (7) and inner spherical hinge (8), hexagonal lock nut (9) is threadedly sleeved at the connecting place of connecting rod (6) and inner-outer connecting rod (1), the sleeve (2) includes first cylinder (26) and second cylinder (27), the first cylinder (26) is fixedly connected with rotating plate (28), the second cylinder (27) is provided with U-shaped groove (29), the rotating plate (28) is located in U-shaped groove (29), and the rotating plate (28) is rotatably connected to the second cylinder (27) by locking pin bolt (30).

2. The simple replaceable steering tie rod structure according to claim 1, characterized in that: The outer spherical hinge (7) includes an outer spherical shell (10) fixedly connected to the connecting rod (6), an outer spherical seat (11) rotatably connected in the outer spherical shell (10), an outer spherical pin (12) fixedly connected to the outer spherical seat (11), and a sealing cover (13) fixedly connected to the outer spherical shell (10).

3. The simple replaceable tie rod structure according to claim 2, characterized in that: The inner spherical hinge (8) includes an inner spherical rod (17) fixedly connected to the connecting rod (6), an inner spherical shell (15) mounted outside the inner spherical rod (17), and an inner spherical seat (16) fixedly connected in the inner spherical shell (15).

4. The simple replaceable tie rod structure according to claim 3, characterized in that: The second cylinder (27) is fixedly connected with a positioning rod (18), and the adjusting rod (3) is provided with a positioning hole (19).

5. The simple replaceable tie rod structure according to claim 4, characterized in that: The inner wall of the second cylinder (27) is symmetrically provided with two limiting sliding grooves (20), and the rod wall of the adjusting rod (3) is symmetrically provided with two limiting clamping strips (21) corresponding to the limiting sliding grooves (20).

6. A simple replaceable tie rod structure according to claim 5, characterized in that: The hexagonal bolt (4) includes a screw rod (22) movably inserted into the pin hole, a hexagonal baffle (23) fixedly connected to one end of the screw rod (22), and a limiting nut (24) threadedly sleeved on the screw rod (22).

7. A simple replaceable tie rod structure according to claim 6, characterized in that: The positioning rod (18) and the positioning hole (19) are both rectangular in shape.

8. The simple replaceable tie rod structure according to claim 7, characterized in that: The first cylinder (26) and the adjusting rod (3) are both symmetrically provided with two key grooves (25).

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