CN220500809U

CN220500809U - Steering pull rod assembly

Info

Publication number: CN220500809U
Application number: CN202322246906.9U
Authority: CN
Inventors: 郑鼎
Original assignee: Yuhuan Zhengshi Machinery Co ltd
Current assignee: Yuhuan Zhengshi Machinery Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-02-20
Anticipated expiration: 2033-08-21

Abstract

The utility model provides a steering pull rod assembly, and belongs to the technical field of vehicle accessories. The length of the existing steering pull rod assembly is not adjustable. The steering pull rod assembly comprises a rod body and a connecting seat, wherein both ends of the rod body are respectively provided with an axially extending threaded hole, the connecting seat is provided with a radially extending connecting column, the connecting column is in threaded connection with the threaded holes on one side of the rod body, the connecting column is in threaded connection with a lock nut which is abutted against the end part of the rod body, a straight rod-shaped axially hollow connecting rod is arranged in the connecting seat, the middle part of the connecting rod is provided with a circle of balls which are protruded outwards and coaxially arranged with the connecting rod, the connecting seat is provided with an anti-falling structure for preventing the connecting rod from falling off, and the connecting seat is provided with a sealing structure for sealing the upper end and the lower end of the connecting rod. The utility model has the advantages of adjustable length, good adaptability, long service life and the like.

Description

Steering pull rod assembly

Technical Field

The utility model belongs to the technical field of vehicle accessories, relates to a vehicle steering accessory, and particularly relates to a steering pull rod assembly.

Background

Steering linkage assemblies are important accessories in automotive steering mechanisms that directly affect the stability of the vehicle's handling, the safety of operation, and the service life of the tires.

For example, chinese patent literature discloses a novel tie rod connection device [ application number: 202121164285.4; authorized bulletin number: CN214648544U ], it includes steering linkage, first connecting seat, second connecting seat and buffer gear, first connecting seat fixed mounting is in the left end of steering linkage, second connecting seat fixed mounting is in the right-hand member of steering linkage, buffer gear sets up in the inside of first connecting seat, buffer gear includes the buffer seat, first spring groove has been seted up to the upper surface of buffer seat, the inside fixed mounting in first spring groove has buffer spring, first air vent has been seted up at the bottom middle part of buffer seat, buffer spring's upper end fixed mounting has the headstock, the right side fixedly connected with slider of headstock.

The novel steering rod connecting device can relieve the pressure release of the top impact force of the ball seat through the buffer spring, and release the internal air pressure through the first vent hole, so that the service life is prolonged, but the steering rod is fixedly connected with the first connecting seat and the second connecting seat, the axial length of the steering rod assembly cannot be adjusted, the requirement on the machining precision is high, the suitability is single, and the arrangement of the first vent hole and the second vent hole can enable external impurities and water to enter the buffer seat, so that the abrasion is increased, and the service life is shortened.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a steering pull rod assembly which is adjustable in length, good in applicability and long in service life.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a steering tie rod assembly, includes pole body, connecting seat, its characterized in that, the both ends of pole body all have the screw hole that the axial was extended, the connecting seat have radial extension's spliced pole, the threaded hole threaded connection of spliced pole and pole body one side, spliced pole threaded connection have the lock nut who contradicts in pole body tip, the connecting seat in be equipped with and be straight-bar-shaped and axial hollow connecting rod, the middle part department of connecting rod has the round evagination and with the spheroid of the coaxial setting of connecting rod, the connecting seat is equipped with the anti-drop structure that prevents the connecting rod and drops, the connecting seat is equipped with the seal structure that seals connecting rod upper end and lower extreme.

In the steering rod assembly, the ball body is sleeved with the annular ball seat.

In the steering pull rod assembly, the anti-falling structure comprises an inwards riveting port formed in the upper end of the connecting seat, a bottom plate is riveted at the lower end of the connecting seat, and the bottom plate is provided with a step supported at the bottom of the ball seat.

In the steering pull rod assembly, the inner wall of the riveting port is provided with a flaring first which is outwards expanded, and the inner edge of the bottom plate is provided with a flaring second which is outwards expanded.

As another condition, in the steering pull rod assembly, the anti-falling structure comprises an upper clamping ring embedded in the upper end of the connecting seat and a lower clamping ring embedded in the lower end of the connecting seat, the inner wall of the upper clamping ring is an arc-shaped surface for the collision of the ball body, and the inner wall of the lower clamping ring is an arc-shaped surface for the collision of the ball body. The upper clamping ring and the lower clamping ring play a blocking role, so that the ball body is prevented from falling off, the upper clamping ring and the lower clamping ring are detachable, the connecting rod is convenient to maintain and replace, and the use cost is reduced.

In the steering linkage assembly, the sealing structure comprises an upper dust cover fixedly connected with the upper end of the connecting seat, the upper end of the connecting rod penetrates out of the upper dust cover, the lower end of the connecting seat is fixedly connected with a lower dust cover, and the lower end of the connecting rod penetrates out of the lower dust cover.

In the steering linkage assembly, the lower end of the upper dust cover is coated with the upper framework, the lower end of the upper dust cover is tightly clamped in the step groove formed in the outer wall of the upper end of the connecting seat, the upper end of the upper dust cover is annular and embedded in the annular groove formed in the upper end of the connecting rod, the upper end of the lower dust cover is coated with the lower framework, the upper end of the lower dust cover is tightly clamped on the outer wall of the bottom plate, and the lower end of the lower dust cover is annular and embedded in the annular groove formed in the lower end of the connecting rod.

In the steering pull rod assembly, the rod body is hollow in the axial direction, and annular grooves are formed in the outer walls of the two threaded holes of the rod body.

Compared with the prior art, the steering pull rod assembly has adjustable length, good adaptability, good use stability, good sealing performance and long service life.

Drawings

FIG. 1 is a cross-sectional view of the steering linkage assembly.

FIG. 2 is a partial structural cross-sectional view of the present steering linkage assembly.

In the figure, 1, a shaft; 2. a connecting seat; 21. riveting the mouth; 211. flaring one; 3. a threaded hole; 4. a connecting column; 5. a lock nut; 6. a connecting rod; 7. a sphere; 8. a ball seat; 9. a bottom plate; 91. flaring II; 10. an upper dust cover; 11. a lower dust cover; 12. an upper framework; 13. a lower skeleton; 14. an annular groove.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, this steering tie rod assembly includes shaft 1, connecting seat 2, the both ends of shaft 1 all have axial extension's screw hole 3, connecting seat 2 has radial extension's spliced pole 4, spliced pole 4 and the screw hole 3 threaded connection of shaft 1 one side, spliced pole 4 threaded connection has the lock nut 5 of contradicting in shaft 1 tip, be equipped with in the connecting seat 2 and be straight-bar-like and axial hollow connecting rod 6, the middle part department of connecting rod 6 has the round evagination and with the spheroid 7 of the coaxial setting of connecting rod 6, connecting seat 2 is equipped with the anti-drop structure that prevents connecting rod 6 from droing, connecting seat 2 is equipped with the seal structure that seals connecting rod 6 upper end and lower extreme.

The steering rod assembly can adjust the threaded connection length of the connecting column 4 and the rod body 1 by rotating the connecting column 4 or the rod body 1, namely, the aim of adjusting the whole length is fulfilled, after the length is adjusted, the locking nut 5 is rotated, so that the locking nut 5 is abutted against the end part of the rod body 1, the locking effect is realized, the length change caused by loosening of the connecting column 4 and the rod body 1 in the use process is avoided, the whole length of the steering rod assembly is adjustable, and the steering rod assembly is suitable for vehicles with different sizes and has good adaptability; hollow connecting rod 6 is convenient for connect, spheroid 7 and connecting seat 2 cooperation, and connecting rod 6 swing is smooth and easy, and seal structure seals connecting rod 6 upper end and lower extreme all, stops external impurity, water to enter into spheroid 7 departments, avoid wearing and tearing, prolonged life.

Further, the ball 7 is sleeved with an annular ball seat 8. The ball seat 8 is located between the ball 7 and the connecting seat 2, and the ball seat 8 is used for the ball 7 to rotate and rub, so that the ball 7 is prevented from being directly worn and abraded with the inside of the connecting seat 2, and the service life is prolonged.

The anti-falling structure comprises a riveting opening 21 which is arranged at the upper end of the connecting seat 2 and is used for inwards riveting, a bottom plate 9 is arranged at the lower end of the connecting seat 2 in a riveting mode, the bottom plate 9 is provided with a step which is supported at the bottom of the ball seat 8, the ball seat 8 is convenient to position, the riveting opening 21 is used for preventing the ball 7 from falling off from the upper end of the connecting seat 2, and the bottom plate 9 is used for preventing the ball 7 from falling off from the lower end of the connecting column 4. The inner wall of the riveting port 21 is provided with a flaring first 211 which expands outwards, the inner edge of the bottom plate 9 is provided with a flaring second 91 which expands outwards, the flaring first 211 and the flaring second 91 increase the inner space, more lubricating grease can be stored, the lubrication of the sphere 7 is ensured, and the service life is long.

The sealing structure comprises an upper dust cover 10 fixedly connected with the upper end of a connecting seat 2, the upper end of a connecting rod 6 penetrates out of the upper dust cover 10, the lower end of the connecting seat 2 is fixedly connected with a lower dust cover 11, and the lower end of the connecting rod 6 penetrates out of the lower dust cover 11. The upper dust cover 10 and the lower dust cover 11 seal the upper end and the lower end of the connecting rod 6, so that external impurities and water are prevented from entering the sphere 7, abrasion is avoided, and the service life is prolonged.

The lower extreme cladding of going up dust cover 10 has skeleton 12 and goes up dust cover 10's lower extreme lock in the step groove that the connecting seat 2 upper end outer wall had, goes up dust cover 10's upper end and is cyclic annular and inlay and locate in the ring channel that connecting rod 6 upper end had, and the upper end cladding of lower dust cover 11 has skeleton 13 and lower dust cover 11's upper end lock in the outer wall of bottom plate 9, and lower dust cover 11's lower extreme is cyclic annular and inlay and locate in the ring channel that connecting rod 6 lower extreme had. Therefore, the connection firmness of the upper dust cover 10 and the lower dust cover 11 is good, the connecting rod 6 can not loosen or separate the upper dust cover 10 and the lower dust cover 11, and the service life is long.

The shaft 1 is hollow in the axial direction, and the shaft 1 is provided with annular grooves 14 at the outer walls of the two threaded holes 3. Under the prerequisite that satisfies structural strength, hollow shaft 1 self light in weight satisfies lightweight design requirement, and annular groove 14 is convenient for support hoop location, and the support is convenient for be connected with shaft 1, and in the use, the hoop force that annular groove 14 department formed also makes spliced pole 4 and screw hole 3 be connected firmly moreover, avoids spliced pole 4 not hard up, and stability in use is good.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a steering linkage assembly, includes shaft (1), connecting seat (2), its characterized in that, the both ends of shaft (1) all have screw hole (3) that the axial was extended, connecting seat (2) have spliced pole (4) that radially extend, spliced pole (4) screw thread connection with screw hole (3) of shaft (1) one side, spliced pole (4) screw thread connection have conflict in lock nut (5) of shaft (1) tip, connecting seat (2) in be equipped with in be straight-bar-shaped and axial hollow connecting rod (6), the middle part department of connecting rod (6) have round evagination and with connecting rod (6) coaxial sphere (7) that set up, connecting seat (2) are equipped with the anti-drop structure that prevents connecting rod (6) and drop, connecting seat (2) are equipped with the seal structure that seals connecting rod (6) upper end and lower extreme.

2. A steering tie rod assembly according to claim 1, wherein the ball (7) is sleeved with an annular ball seat (8).

3. A steering tie rod assembly according to claim 1 or 2, wherein the anti-falling structure comprises an inwardly riveted rivet hole (21) formed in the upper end of the connecting seat (2), a bottom plate (9) is riveted at the lower end of the connecting seat (2), and the bottom plate (9) is provided with a step supported at the bottom of the ball seat (8).

4. A steering tie rod assembly according to claim 3, wherein the inner wall of the rivet opening (21) has an outwardly flared first portion (211) and the inner edge of the base plate (9) has an outwardly flared second portion (91).

5. The steering tie rod assembly according to claim 1 or 2, wherein the anti-falling structure comprises an upper clamping ring embedded in the upper end of the connecting seat (2) and a lower clamping ring embedded in the lower end of the connecting seat (2), the inner wall of the upper clamping ring is an arc-shaped surface for the ball (7) to collide, and the inner wall of the lower clamping ring is an arc-shaped surface for the ball (7) to collide.

6. A steering linkage assembly according to claim 3, wherein the sealing structure comprises an upper dust cover (10) fixedly connected to the upper end of the connecting seat (2), the upper end of the connecting rod (6) penetrates out of the upper dust cover (10), the lower end of the connecting seat (2) is fixedly connected with a lower dust cover (11), and the lower end of the connecting rod (6) penetrates out of the lower dust cover (11).

7. The steering linkage assembly according to claim 6, wherein the lower end of the upper dust cover (10) is coated with an upper framework (12), the lower end of the upper dust cover (10) is tightly clamped in a step groove formed in the outer wall of the upper end of the connecting seat (2), the upper end of the upper dust cover (10) is annular and is embedded in an annular groove formed in the upper end of the connecting rod (6), the upper end of the lower dust cover (11) is coated with a lower framework (13), the upper end of the lower dust cover (11) is tightly clamped on the outer wall of the bottom plate (9), and the lower end of the lower dust cover (11) is annular and is embedded in an annular groove formed in the lower end of the connecting rod (6).

8. A steering tie rod assembly according to claim 1 or 2, wherein the rod body (1) is axially hollow, and the rod body (1) has annular grooves (14) at the outer walls of the two threaded holes (3).