KR101830107B1 - Tie-rod assembly reinforced with strength by insert core - Google Patents

Tie-rod assembly reinforced with strength by insert core Download PDF

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Publication number
KR101830107B1
KR101830107B1 KR1020160057368A KR20160057368A KR101830107B1 KR 101830107 B1 KR101830107 B1 KR 101830107B1 KR 1020160057368 A KR1020160057368 A KR 1020160057368A KR 20160057368 A KR20160057368 A KR 20160057368A KR 101830107 B1 KR101830107 B1 KR 101830107B1
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KR
South Korea
Prior art keywords
insert
core
rod
engaging
insert core
Prior art date
Application number
KR1020160057368A
Other languages
Korean (ko)
Other versions
KR20170127146A (en
Inventor
김용관
Original Assignee
주식회사 티앤지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 티앤지 filed Critical 주식회사 티앤지
Priority to KR1020160057368A priority Critical patent/KR101830107B1/en
Priority to PCT/KR2016/011753 priority patent/WO2017195952A1/en
Publication of KR20170127146A publication Critical patent/KR20170127146A/en
Application granted granted Critical
Publication of KR101830107B1 publication Critical patent/KR101830107B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
    • B62D7/228—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system acting between the steering gear and the road wheels, e.g. on tie-rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/125—Bounded parts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

A tie rod assembly according to the present invention comprises: a ball joint end (10); An insert end (20) detachably coupled to the ball joint end (10); A clamp (30) disposed between the ball joint end (10) and the engagement portion of the insert end (20) to enable binding between the two members (10, 20); An insert core (40) fitted to the insert end (20); And a composite rod (50) disposed to cover the jointed portion of the fitted insert end (20) and the insert core (40), the insert end (20) A clamp engaging portion 21 for engaging with the joint end 10 and a core engaging portion 25 for directly engaging the insert core 40 and a clamp engaging portion 21 for engaging the clamp engaging portion 21 and the core engaging portion 25. [ And a rod engaging portion 23 for connecting the outer circumferential surface of the insert core 40 and the outer circumferential surface of the insert core 40 and connecting the outer circumferential surface of the insert core 40 and the outer circumferential surface of the insert core 40. Further, .

Description

[0001] The present invention relates to a tie-rod assembly reinforced with an insert core,

The present invention relates to a tie-rod assembly reinforced by an insert core, the tie rod assembly comprising a ball joint end, an insert end, a clamp, and a composite rod, wherein in the application of the insert core to reinforce the strength of the composite rod, And the insert core is fitted on the insert core, and the insert core and the insert core are integrally formed on the joint portion of the insert core and the insert core.

The tie rods are connected by the left and right wheels so that the direction of the wheels can be switched according to the direction of operation of the steering wheel. To this end, the tie rod is connected to a gear box, which is connected to a steering column equipped with a steering wheel with a pinion, a rack and a hydraulic line.

In the vehicle steering apparatus, a tie rod is connected to a rack and a ball joint at an end thereof, and a male thread portion at the opposite end is coupled to a tie rod end formed with a hollow female thread portion. The rotational force applied by the driver to the steering wheel is transmitted to the pinion of the steering gear through the steering shaft, the pinion gear reciprocates in the lateral direction of the vehicle, and the force transmitted to the rack is transmitted to the tie- To the tire.

Conventionally, a solid tie rod using a solid pipe and a hollow tie rod using a hollow pipe have been used to form such a tie rod.

Conventionally, in the case of solid tie rods, not only the threaded portion, which is the connecting portion of the tie rod end, but also the spherical portion was produced through rolling or cutting after the rod was forged to fit the shape. Therefore, the weight is heavy, the discontinuity of the sectional structure due to the cutting process is inevitable, and the production cost due to the processing process is also expensive.

Conventional documents that disclose techniques related to tie rods include Korean Patent No. 10-0554545 (Mar. 3, 2006), No. 10-0832866 (May 28, 2008), and Korean Registered Utility Model No. 20-0302288 (Mar. 19). The above documents disclose techniques for reinforcing the rigidity of the tie rods or stabilizing the tie between the parts constituting the tie rods.

(Patent Document 1) KR10-0554545 B

(Patent Document 2) KR10-0832866 B

(Patent Document 2) KR20-0302288 B

SUMMARY OF THE INVENTION [0006] In order to solve the above problems, the present invention provides a tie rod assembly including a ball joint end, an insert end, a clamp, and a composite rod, wherein, in applying the insert core to reinforce the strength of the composite rod, The tie rods having an improved mechanical property and strength due to mutual coupling between the composite rod and the insert core by having a shape that is integrally formed on the joint portion between the insert end and the insert core, It is an object to provide an assembly.

According to an aspect of the present invention, there is provided a tie rod assembly including: a ball joint end; An insert end (20) detachably coupled to the ball joint end (10); A clamp (30) disposed between the ball joint end (10) and the engagement portion of the insert end (20) to enable binding between the two members (10, 20); An insert core (40) fitted to the insert end (20); And a composite rod (50) disposed to cover the jointed portion of the fitted insert end (20) and the insert core (40), the insert end (20) A clamp engaging portion 21 for engaging with the joint end 10 and a core engaging portion 25 for directly engaging the insert core 40 and a clamp engaging portion 21 for engaging the clamp engaging portion 21 and the core engaging portion 25. [ And a rod engaging portion 23 for connecting the outer circumferential surface of the insert core 40 and the outer circumferential surface of the insert core 40 and connecting the outer circumferential surface of the insert core 40 and the outer circumferential surface of the insert core 40. Further, .

The rod engaging portion 23 includes a rod engaging projection 231 and a rod engaging groove 232 along the outer surface thereof and the rod engaging projection 231 and the rod engaging groove 232 are engaged with the rod engaging portion 23 and the rod coupling protrusions 231 are in the shape of protruding ends for increasing the tensile / compression bonding force between the composite rod 50 and the insert end 20, and the rod coupling grooves 232 Is a polygonal shape for increasing the torsional coupling force between the composite rod (50) and the insert end (20).

A knurling portion 251 is formed on the outer circumferential surface of the core engaging portion 25 and the nulling portion 251 increases the frictional force at the time of relative contact when engaging with the inner circumferential surface of the hollow insert core 40, do.

A projecting step 253 is formed on the inner circumferential surface of the core engaging part 25 and the projecting step 253 is arranged in one or more rows in a ring shape inward from the entrance end of the core engaging part 25, When the insert core 40 is engaged with the outer circumferential surface of the insert core 40, the coupling force between the insert core 40 and the inner circumferential surface of the core engaging portion 25 is strengthened.

In the tie rod assembly according to the present invention as described above, in the tie rod assembly composed of the ball joint end, the insert end, the clamp, and the composite rod, in applying the insert core to reinforce the strength of the composite rod, The insert core and the insert core are integrally formed on the joint portion between the insert end and the insert core and are wrapped with the composite rod to improve the mechanical properties and strength due to mutual coupling between the composite rod and the insert core.

In addition, the present invention is a fitting type for increasing tensile force and compressive force between an insert core and an insert end, and it is possible to increase a frictional force or a coupling force by forming a ring on the outer surface of the insert end or by machining a protruding protrusion.

Further, the present invention makes it possible to strengthen the torsional force by forming the outer shape of the insert core so as to have a polygonal shape and an elliptical shape.

1 is a structural view of a tie rod assembly according to an embodiment of the present invention;
2 is a structural view of a tie rod assembly according to another embodiment of the present invention;
3 is a view illustrating a fitting structure between an insert core and an insert end constituting a tie rod assembly according to an embodiment of the present invention;
4 is a view illustrating a fitting structure between an insert core and an insert end constituting a tie rod assembly according to another embodiment of the present invention.
FIG. 5 is a view showing various forms of the insert core when a hollow type insert core is coupled onto the insert end, and FIG.
6 is a view showing various forms of the insert core when a solid type insert core is coupled on the insert end.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but is capable of other various forms of implementation, and that these embodiments are provided so that this disclosure will be thorough and complete, It is provided to let you know completely. Wherein like reference numerals refer to like elements throughout.

It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

Hereinafter, a tie rod assembly having an enhanced strength by an insert core according to the present invention will be described with reference to FIGS. 1 to 6. FIG.

A tie rod assembly according to the present invention includes a pair of ball joint ends 10, a pair of insert ends 20 removably coupled to a pair of ball joint ends 10, a ball joint end 10 and an insert end 20 A clamp 30 that is disposed between the engagement portions of the insert core 20 and the insert core 40 to enable engagement between the two members, an insert core 40 that is fitted to the insert end 20, And a composite rod 50 disposed so as to cover the joint portion of the composite rod 50.

Referring to FIG. 1, the insert core 40 may be a hollow hollow cylindrical member, and the inner ends of a pair of insert ends 20 constituting a tie rod assembly may be inserted into the insert core 40 Respectively. Specifically, the stepped inner end portion of the insert end 20 is forcibly press-fitted into the inside of the insert core 40 of the hollow cylindrical shape.

The insert core 40 may be made of aluminum or plastic.

Referring to Figure 2, the insert core 40 may be a hollow solid cylindrical member, the insert core 40 having forcibly mounted on the interior of a pair of insert ends 20, As shown in Fig.

The insert core 40 may be made of a composite material or a plastic solid bar type.

The composite rod 50 may be in the form of an overall enclosing insert core 40 and a pair of insert ends 20 joined on either side of the insert core 40. The composite rod 50 may be a carbon fiber FRP or a glass fiber FRP.

The present invention provides a method of making an insert core 40 with an insert core 20 and an insert insert 20 in a state where the insert core 40 is fitted on the insert end 20 in applying the insert core 40 to reinforce the strength of the composite rod 50. [ The tie rod assembly 50 having the structure in which the composite rod 50 is wrapped around the joint portion of the core 40 and the composite rod 50 on the outer side is integrally formed to improve the mechanical properties and strength due to the mutual coupling between the composite rod 50 and the insert core 40. [ Lt; / RTI >

Hereinafter, the fitting structure between the insert core and the insert end constituting the tie rod assembly will be described with reference to Figs. 3 and 4. Fig.

The insert end 20 includes a clamp engaging portion 21 engaged with the ball joint end 10 portion by the clamp 30, a core engaging portion 25 directly engaged with the insert core 40, And a rod coupling portion 23 connecting the portion 21 and the core coupling portion 25 and wrapping the outer surface of the composite coupling rod 50 through the composite rod 50.

The clamp engaging portion 21 strengthens the clamping force through the clamp 30 in a state where the ball joint end 10 is connected. To this end, a coupling groove having a predetermined shape is formed on the outer circumferential surface of the clamp engaging portion 21.

The rod engaging portion 23 includes a rod engaging projection 231 and a rod engaging groove 232 along the outer surface thereof. The rod engaging projections 231 and the rod engaging grooves 232 may be alternately formed on the rod engaging portion 23. The rod engaging protrusion 231 forms a protruding end for increasing the tensile / compression bonding force between the composite rod 50 and the insert end 20 and the rod engaging groove 232 is formed between the composite rod 50 and the insert end 20. [ And a hexagonal shape for enhancing the torsional coupling force between the base 20 and the base 20.

It is preferable that the core engaging portions 25 form concave and convex portions on the engaging surfaces in order to strengthen the engaging force with the insert core 40. [

Referring to FIG. 3, a null ring portion 251 is formed on the outer circumferential surface of the core engaging portion 25. The knurling portion 251 forms a knurling to increase frictional force at the time of relative contact when engaging the inner circumferential surface of the hollow insert core 40. The knurling portion 251 enhances the coupling force with the outer circumferential surface of the core engaging portion 25 To be sawed in a horizontal or inclined manner. That is, for example, the outer surface of the cylindrical core-engaging portion 25 is repeatedly formed in a jagged shape.

4, a protrusion 253 is formed on the inner circumferential surface of the core coupling portion 25. As shown in FIG. The protruding jaws 253 are ring-shaped and arranged in one or more rows inwardly from the inlet end of the core engaging portion 25. For example, two or three protruding jaws 253 are arranged at a predetermined distance from the entrance end of the core engaging portion 25 to strengthen the engagement with the outer circumferential surface of the insert core 40 entering. The protruding jaw 253 strengthens the coupling force with the inner circumferential surface of the core engaging portion 25 when engaging with the outer circumferential surface of the insert core 40 having a solid shape.

Hereinafter, various forms of the insert core will be described when the insert core is coupled onto the insert end with reference to Figs. 5 and 6. Fig.

The insert core 40 is formed of a composite material containing carbon fiber and plastic and is in the form of a solid bar by drawing, and shapes including polygonal and elliptical shapes can be applied to strengthen the torsional bonding force.

Referring to FIG. 5, there is shown a hollow type insert core, which in turn is hexagonal, square, and elliptical.

Referring to FIG. 6, there is shown a solid type insert core, which in turn is hexagonal, square, and elliptical.

In the tie rod assembly according to the present invention as described above, in the tie rod assembly composed of the ball joint end, the insert end, the clamp, and the composite rod, in applying the insert core to reinforce the strength of the composite rod, The insert core and the insert core are integrally formed on the joint portion between the insert end and the insert core and are wrapped with the composite rod to improve the mechanical properties and strength due to mutual coupling between the composite rod and the insert core.

It is to be understood that the terms "comprises", "comprising", or "having" as used in the foregoing description mean that the constituent element can be implanted unless specifically stated to the contrary, But should be construed as further including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Claims (4)

Ball joint end 10;
An insert end (20) detachably coupled to the ball joint end (10);
A clamp (30) disposed between the ball joint end (10) and the engagement part of the insert end (20) to enable binding between the two members (10, 20);
An insert core (40) fitted to the insert end (20); And
And a composite rod (50) disposed to cover a joint portion of the fitted insert end (20) and the insert core (40)
The insert end 20 includes a clamp engaging portion 21 engaged with the ball joint end 10 by the clamp 30 and a core engaging portion 25 directly engaged with the insert core 40 And a rod coupling portion 23 connecting between the clamp coupling portion 21 and the core coupling portion 25 and wrapping the outer surface of the coupling coupling portion 21 through the composite rod 50,
A concave and a convex is formed on the surface of the core engaging portion 25 to strengthen the fastening force with the insert core 40,
The composite rod 50 is a carbon fiber FRP or a glass fiber FRP,
The insert core 40 is formed of a composite material containing carbon fiber and plastic, and is formed into a solid bar shape by drawing. A polygonal or elliptical shape is applied to reinforce the torsional strength,
The composite material rod 50 has a structure that entirely surrounds the outside of the rod coupling portion 23 and the core coupling portion 25 and the mutual coupling structure between the composite rod 50 and the insert core 40, To improve strength,
Tie rod assembly.
The method according to claim 1,
The rod engaging portion 23 includes a rod engaging projection 231 and a rod engaging groove 232 along the outer surface thereof and the rod engaging projection 231 and the rod engaging groove 232 are engaged with the rod engaging portion 23,
The rod engaging protrusion 231 is in the shape of a protruding end for increasing the tensile / compression bonding force between the composite rod 50 and the insert end 20. The rod engaging groove 232 is formed in the composite rod 50, (20), wherein the torsional force
Tie rod assembly.
3. The method of claim 2,
A nulling portion 251 is formed on the outer circumferential surface of the core engaging portion 25,
The knurling portion 251 increases the frictional force at the time of the relative contact when engaging with the inner circumferential surface of the hollow insert core 40,
Tie rod assembly.
3. The method of claim 2,
A protrusion 253 is formed on the inner circumferential surface of the core coupling portion 25,
The protruding jaws 253 are ring-shaped and arranged in at least one row inward from the inlet end of the core coupling portion 25, and when engaged with the outer circumferential surface of the insert core 40 in a solid form, Which strengthens the coupling force with the inner circumferential surface of the support member 25,
Tie rod assembly.
KR1020160057368A 2016-05-11 2016-05-11 Tie-rod assembly reinforced with strength by insert core KR101830107B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160057368A KR101830107B1 (en) 2016-05-11 2016-05-11 Tie-rod assembly reinforced with strength by insert core
PCT/KR2016/011753 WO2017195952A1 (en) 2016-05-11 2016-10-19 Tie rod assembly having strength intensified by insert core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160057368A KR101830107B1 (en) 2016-05-11 2016-05-11 Tie-rod assembly reinforced with strength by insert core

Publications (2)

Publication Number Publication Date
KR20170127146A KR20170127146A (en) 2017-11-21
KR101830107B1 true KR101830107B1 (en) 2018-02-21

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KR1020160057368A KR101830107B1 (en) 2016-05-11 2016-05-11 Tie-rod assembly reinforced with strength by insert core

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KR (1) KR101830107B1 (en)
WO (1) WO2017195952A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102508421B1 (en) * 2021-07-20 2023-03-14 대성코리아(주) Tie rod of steering apparatus for vehicle and manufacturing method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011157047A (en) * 2010-02-03 2011-08-18 Jtekt Corp Tie rod structure for steering device
KR20140037352A (en) * 2012-09-17 2014-03-27 주식회사 만도 Tie rod assembly of steering apparatus for vehicle
KR20150024106A (en) * 2013-08-26 2015-03-06 주식회사 티앤지 Tie-rod assembly
KR20150054131A (en) * 2013-11-11 2015-05-20 주식회사 티앤지 Length adjustable tie-rod assembly
KR20150058688A (en) * 2013-11-20 2015-05-29 현대자동차주식회사 Tie Rod Unit having Stiffness Reinforcement Connecter

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KR20170127146A (en) 2017-11-21
WO2017195952A1 (en) 2017-11-16

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