CN220220888U

CN220220888U - Automobile transverse pull rod assembly

Info

Publication number: CN220220888U
Application number: CN202321715470.7U
Authority: CN
Inventors: 许文杰; 叶明辉
Original assignee: Zhejiang Jiesheng Auto Parts Co ltd
Current assignee: Zhejiang Jiesheng Auto Parts Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-22
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to an automobile transverse pull rod assembly, which comprises an inner pull rod and an outer ball head rod body, wherein one end of the inner pull rod is connected with an inner ball head connecting piece, one end of an outer ball head rod body is connected with an outer ball head connecting piece, one end of the inner pull rod, which is far away from the inner ball head connecting piece, is provided with a threaded section, one end of the outer ball head rod body, which is far away from the outer ball head connecting piece, is provided with a connecting sleeve, a threaded hole is formed in the connecting sleeve, the threaded section is in threaded connection with the threaded hole, the connecting sleeve is connected with a fastening sleeve, at least two deformation grooves axially penetrate through the fastening sleeve, the threaded section is in threaded connection with a fastening nut, and a pressing sleeve facing the connecting sleeve is fixedly connected with the fastening nut and is applied to the outside of the fastening sleeve so as to tightly press the fastening sleeve on the threaded section.

Description

Automobile transverse pull rod assembly

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to an automobile transverse pull rod assembly.

Background

The automotive tie rod assembly is an important part of the steering system of an automobile, and generally comprises a tie rod body and connecting ball head parts at two ends, wherein the tie rod body is generally composed of an inner tie rod and an outer ball head body, and the inner tie rod and the outer ball head body are generally connected together through a threaded structure, so that the total length of the tie rod body can be changed through rotation adjustment, as disclosed in patent publication No.: an automobile tie rod assembly of CN208007060U consists of two parts connected by screw threads. However, after the inner pull rod and the outer ball rod which are connected through the screw thread are used for a long time, the screw thread connection part between the inner pull rod and the outer ball rod is easy to loosen, so that the friction noise of a steering system is increased, steering wheel shake and vehicle swing are easy to be caused, and normal driving is influenced.

Disclosure of Invention

The utility model provides an automobile tie rod assembly, which has high strength of a connecting structure between an inner tie rod and an outer ball head rod body, is firm and stable, is not easy to loosen and solves the problems in the using process in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides an automobile tie rod assembly, includes interior pull rod and outer bulb body of rod, the one end of interior pull rod is connected with interior bulb connecting piece, be connected with outer bulb connecting piece on the one end of outer bulb body of rod, be equipped with the screw thread section on the one end of keeping away from interior bulb connecting piece in the pull rod, outer bulb body of rod is equipped with the adapter sleeve on the one end of keeping away from outer bulb connecting piece, set up threaded hole in the adapter sleeve, screw thread section threaded connection is at threaded hole, be connected with the adapter sleeve on the adapter sleeve, be the deformation groove of at least twice has been run through to the axial on the adapter sleeve, screw thread section is last threaded connection has fastening nut, fixedly connected with towards the pressure cover of adapter sleeve on the fastening nut, the pressure cover is used for laminating outside the adapter sleeve and makes the adapter sleeve compress tightly on the screw thread section.

Preferably, the length of the pressing sleeve is equal to or greater than that of the fastening sleeve, the hole diameter of the inner side wall of the pressing sleeve gradually expands from the fastening nut towards the direction of the connecting sleeve, and when the fastening sleeve is completely positioned in the pressing sleeve, one end, far away from the fastening sleeve, of the fastening sleeve is in interference fit in the pressing sleeve.

Preferably, the outer side wall of the fastening sleeve is provided with first protrusions, at least six first protrusions are arranged on the outer side wall of the fastening sleeve and are uniformly distributed on the circumference, and the first protrusions are used for abutting against the inner side wall of the pressing sleeve.

Preferably, the outer side wall of the fastening sleeve is further provided with second protrusions, the number of the second protrusions is the same as that of the first protrusions, the second protrusions are uniformly distributed on the outer side wall of the fastening sleeve in circumference, the second protrusions are closer to the connecting sleeve than the first protrusions, the height of the second protrusions is larger than that of the first protrusions, and the second protrusions are also used for abutting against the inner side wall of the pressing sleeve.

Preferably, the connecting sleeve is provided with a propping surface for propping one end of the pressing sleeve away from the fastening nut, and when the pressing sleeve is propped on the propping surface, the fastening nut is just propped on one end of the fastening sleeve away from the connecting sleeve.

Preferably, the connecting sleeve is fixedly connected with a locking sleeve, the locking sleeve is used for being sleeved on the outer side of one end, far away from the fastening nut, of the pressing sleeve, an inner locking twill is arranged on the inner side of the locking sleeve, and an outer locking twill is arranged on the outer side wall of one end, far away from the fastening nut, of the pressing sleeve.

Preferably, the inner pull rod is provided with a prismatic easy-to-rotate section, and the outer side wall of the connecting sleeve is integrally formed with a prismatic easy-to-rotate outer wall.

In summary, the beneficial effects of the utility model are as follows:

1. the inner pull rod is connected to the connecting sleeve of the outer ball head rod body through the thread section in a threaded manner, and then the fastening nut is connected to the thread section in a threaded manner, so that the fastening nut is close to the fastening sleeve on the connecting sleeve until the pressing sleeve on the fastening nut is completely sleeved outside the fastening sleeve, and the pressing sleeve is attached to the fastening sleeve and tightly presses the fastening sleeve on the thread section, thereby preventing the thread section from loosening from the connecting sleeve, improving the strength of the connecting structure between the inner pull rod and the outer ball head rod body, and being firm and stable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the inner tie rod portion of the present utility model;

FIG. 3 is a schematic view of the structure of the outer ball stud portion of the present utility model;

FIG. 4 is an enlarged partial schematic view of FIG. 3A;

FIG. 5 is a schematic view of the structure of the fastening nut portion of the present utility model;

FIG. 6 is a front view of the present utility model;

FIG. 7 is a schematic view of the cross-sectional structure of FIG. 6 in the direction A-A;

fig. 8 is a partially enlarged schematic view at B in fig. 7.

In the figure: 1. an inner tie rod; 11. a threaded section; 12. prismatic easy-to-rotate section; 2. an outer ball head rod body; 21. connecting sleeves; 211. a threaded hole; 212. a holding surface; 213. a prismatic easy-to-rotate outer wall; 22. a fastening sleeve; 221. a deformation groove; 222. a first protrusion; 223. a second protrusion; 23. a locking sleeve; 231. inner anti-loose twill; 3. an inner ball joint connector; 4. an outer ball head connector; 5. a fastening nut; 51. pressing the sleeve; 511. and (5) outer anti-loose twills.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 8 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

as shown in fig. 1 to 8, the present utility model discloses an automobile tie rod assembly, which comprises an inner tie rod 1 and an outer ball rod body 2, wherein one end of the inner tie rod 1 is connected with an inner ball connecting piece 3, one end of the outer ball rod body 2 is connected with an outer ball connecting piece 4, the inner ball connecting piece 3 and the outer ball connecting piece 4 are all of the prior art, therefore, the details will not be repeated herein, the end of the inner tie rod 1 far away from the inner ball connecting piece 3 is provided with a threaded section 11, one end of the outer ball rod body 2 far away from the outer ball connecting piece 4 is provided with a connecting sleeve 21, a threaded hole 211 is formed in the connecting sleeve 21, the threaded section 11 is in threaded connection with the threaded hole 211, in addition, a fastening sleeve 22 is connected with the connecting sleeve 21, the fastening sleeve 22 is sleeved outside the threaded section 11, the fastening sleeve 22 is provided with at least two deformation grooves 221 which axially penetrate, in addition, the threaded section 11 is also in threaded connection with a fastening nut 5, the fastening nut 5 is fixedly connected with a pressing sleeve 51 facing the connecting sleeve 21, and the pressing sleeve 51 is used for pressing the fastening sleeve 22 tightly pressing the external section 22 on the threaded section 11.

When the inner pull rod 1 and the outer ball head rod body 2 are connected, the inner pull rod 1 is connected to the connecting sleeve 21 of the outer ball head rod body 2 through the thread section 11 in a threaded mode, then the fastening nut 5 connected to the thread section 11 in a threaded mode is rotated, the fastening nut 5 is close to the fastening sleeve 22 on the connecting sleeve 21 until the pressing sleeve 51 on the fastening nut 5 is completely sleeved outside the fastening sleeve 22, the pressing sleeve 51 is attached to the fastening sleeve 22, the fastening sleeve 22 is tightly pressed on the thread section 11, and therefore the loosening of the thread section 11 from the connecting sleeve 21 can be prevented, the connection structure strength between the inner pull rod 1 and the outer ball head rod body 2 is improved, and the inner pull rod is firm and stable.

Wherein the length of the pressing sleeve 51 is equal to or greater than the length of the fastening sleeve 22, in this embodiment, the length of the pressing sleeve 51 is preferably equal to the length of the fastening sleeve 22, and in addition, the inner wall hole diameter of the pressing sleeve 51 is gradually widened from the fastening nut 5 towards the connecting sleeve 21, so that the fastening sleeve 22 can conveniently enter the pressing sleeve 51, and when the fastening sleeve 22 is completely positioned in the pressing sleeve 51, one end of the fastening sleeve 22 away from the fastening sleeve 22 is in interference fit in the pressing sleeve 51, so that the pressing sleeve 51 presses the fastening sleeve 22, and the fastening sleeve 22 is deformed inwards by a certain amount so as to be pressed on the threaded section 11.

As shown in fig. 4 and 8, the outer side wall of the fastening sleeve 22 is provided with first protrusions 222, the first protrusions 222 are at least six and uniformly distributed on the outer side wall of the fastening sleeve 22 in circumference, the first protrusions 222 are used for abutting against the inner side wall of the pressing sleeve 51, in addition, the outer side wall of the fastening sleeve 22 is also provided with second protrusions 223, the number of the second protrusions 223 is the same as that of the first protrusions 222, and uniformly distributed on the outer side wall of the fastening sleeve 22 in circumference, compared with the first protrusions 222, the second protrusions 223 are closer to the connecting sleeve 21, the protrusion height of the second protrusions 223 is larger than that of the first protrusions 222, the second protrusions 223 are also used for abutting against the inner side wall of the pressing sleeve 51, and when the pressing sleeve 51 is pressed against the first protrusions 222 and the second protrusions 223, the fastening sleeve 22 is also enabled to deform inwards to a certain extent, so that the fastening sleeve 22 can be tightly pressed against the thread section 11.

In the present embodiment, the connecting sleeve 21 is provided with the abutting surface 212 for abutting against the end of the pressing sleeve 51 away from the fastening nut 5, and because the length of the pressing sleeve 51 is the same as the length of the fastening sleeve 22, when the pressing sleeve 51 abuts against the abutting surface 212, the fastening nut 5 abuts against the end of the fastening sleeve 22 away from the connecting sleeve 21, and the structure can make a user feel that the fastening nut 5 has been screwed after the pressing sleeve 51 is completely sleeved on the fastening sleeve 22.

Further, a locking sleeve 23 is fixedly connected to the connecting sleeve 21, the locking sleeve 23 is used for being sleeved on the outer side of one end, far away from the fastening nut 5, of the pressing sleeve 51, an inner locking diagonal 231 is arranged on the inner side of the locking sleeve 23, an outer locking diagonal 511 is arranged on the outer side wall of one end, far away from the fastening nut 5, of the pressing sleeve 51, after the fastening nut 5 is screwed, the pressing sleeve 51 is completely sleeved on the fastening sleeve 22, at the moment, one end, far away from the fastening nut 5, of the pressing sleeve 51 is also located in the locking sleeve 23, and the outer locking diagonal 511 on the pressing sleeve 51 is matched with the inner locking diagonal 231 on the inner side of the locking sleeve 23, so that the effect of preventing the fastening nut 5 from loosening can be achieved, and the structural firmness of the locking sleeve is further improved.

In the utility model, in order to facilitate the rotation of the threaded section 11 and the connecting sleeve 21, the inner pull rod 1 is provided with a prismatic easy-rotation section 12, and the outer side wall of the connecting sleeve 21 is integrally formed with a prismatic easy-rotation outer wall 213.

Also, the terms pointed out by the present utility model are as follows: the directional or positional relationships indicated by the terms "front", "rear", "vertical", "horizontal", etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience in describing the utility model and to simplify the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the scope of the utility model.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an automobile tie rod assembly, including interior pull rod and outer bulb body of rod, the one end of interior pull rod is connected with interior bulb connecting piece, be connected with outer bulb connecting piece on the one end of outer bulb body of rod, its characterized in that: the inner pull rod is provided with a thread section at one end far away from the inner ball joint connecting piece, the outer ball joint rod body is provided with a connecting sleeve at one end far away from the outer ball joint connecting piece, a threaded hole is formed in the connecting sleeve, the thread section is in threaded connection with the threaded hole, a fastening sleeve is connected to the connecting sleeve, at least two deformation grooves are formed in the fastening sleeve in an axial penetrating mode, a fastening nut is connected to the thread section in a threaded mode, a pressing sleeve facing the connecting sleeve is fixedly connected to the fastening nut, and the pressing sleeve is used for being attached to the outside of the fastening sleeve and enabling the fastening sleeve to be pressed on the thread section.

2. The automotive track rod assembly of claim 1, wherein: the length of the pressing sleeve is equal to or greater than that of the fastening sleeve, the hole diameter of the inner side wall of the pressing sleeve is gradually widened from the fastening nut towards the connecting sleeve, and when the fastening sleeve is completely positioned in the pressing sleeve, one end of the fastening sleeve, which is far away from the fastening sleeve, is in interference fit in the pressing sleeve.

3. The automotive tie rod assembly of claim 2, wherein: the outer side wall of the fastening sleeve is provided with first bulges which are at least six and are uniformly distributed on the outer side wall of the fastening sleeve in circumference, and the first bulges are used for abutting against the inner side wall of the pressing sleeve.

4. A tie rod assembly for an automobile as claimed in claim 3, wherein: the outer side wall of the fastening sleeve is also provided with second bulges, the number of the second bulges is the same as that of the first bulges, the second bulges are uniformly distributed on the outer side wall of the fastening sleeve in circumference, the second bulges are closer to the connecting sleeve than the first bulges, the height of the second bulges is larger than that of the first bulges, and the second bulges are also used for abutting against the inner side wall of the pressing sleeve.

5. The automotive track rod assembly of claim 1, wherein: the connecting sleeve is provided with a propping surface for propping one end of the pressing sleeve away from the fastening nut, and when the pressing sleeve is propped on the propping surface, the fastening nut is just propped on one end of the fastening sleeve away from the connecting sleeve.

6. The automotive track rod assembly of claim 1, wherein: the anti-loosening sleeve is fixedly connected to the connecting sleeve and is used for being sleeved on the outer side of one end, far away from the fastening nut, of the pressing sleeve, inner anti-loosening twills are arranged on the inner side of the anti-loosening sleeve, and outer anti-loosening twills are arranged on the outer side wall of one end, far away from the fastening nut, of the pressing sleeve.

7. The automotive track rod assembly of claim 1, wherein: the inner pull rod is provided with a prismatic easy-to-rotate section, and the outer side wall of the connecting sleeve is integrally formed with a prismatic easy-to-rotate outer wall.