KR20170040925A - Device for adjusting length - Google Patents

Device for adjusting length Download PDF

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Publication number
KR20170040925A
KR20170040925A KR1020150140194A KR20150140194A KR20170040925A KR 20170040925 A KR20170040925 A KR 20170040925A KR 1020150140194 A KR1020150140194 A KR 1020150140194A KR 20150140194 A KR20150140194 A KR 20150140194A KR 20170040925 A KR20170040925 A KR 20170040925A
Authority
KR
South Korea
Prior art keywords
length
thread
adjusting
screw thread
length member
Prior art date
Application number
KR1020150140194A
Other languages
Korean (ko)
Inventor
김태주
Original Assignee
한국항공우주연구원
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.)
Filing date
Publication date
Application filed by 한국항공우주연구원 filed Critical 한국항공우주연구원
Priority to KR1020150140194A priority Critical patent/KR20170040925A/en
Publication of KR20170040925A publication Critical patent/KR20170040925A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/06—Turnbuckles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/12—Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

A length adjusting device according to an embodiment includes: a first elongated member having a first threaded portion at an end thereof; A second elongated member having a second thread on its end and spaced apart from the first elongate member; And a third threaded and a fourth threaded adjustment member engaged with the first threaded portion and the second threaded portion, wherein the first thread of the first length member and the second thread of the second length member are identical Direction.

Description

DEVICE FOR ADJUSTING LENGTH < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a length adjusting device, and more particularly, to a length adjusting device capable of adjusting a fine length by having a length member moving in the same direction at both ends of the adjusting member.

In general, a turnbuckle can be utilized to adjust the length of the structure.

The turnbuckle is a kind of beam that supports structures at both ends, and can be adjusted in length by rotation of the central body without rotation of both end fixing parts.

Specifically, the turnbuckle is fastened with a right screw around one of the center length adjusting components, and the other is fastened with a left screw so that when the length adjusting component is rotated, both sides are simultaneously released or locked, When it goes, it can be reduced in length.

This type of turnbuckle can be difficult to fine-adjust the length even if the thread is finely applied since both sides of the turnbuckle are stretched at the same time or shrink at the same time.

In order to improve the function of the turnbuckles, various types of turnbuckles have been developed.

For example, KR 2011-0050260, filed May 26, 2011, discloses a "turnbuckle with improved structure ".

An object according to an exemplary embodiment is to provide an apparatus and a method in which a first thread formed on a first elongated member and a second thread formed on a second elongated member are formed in the same direction so that the first elongated member and the second elongated member are rotated in the same direction The length of which is adjusted by the length adjusting device.

An object according to an embodiment is to provide a length adjusting device in which the first screw thread and the second screw thread have different pitches so that the fine length can be adjusted by a combination of the pitch of the first screw thread and the pitch of the second screw thread.

An object of an embodiment is to provide a length adjusting device capable of realizing a more variable range of length adjustment by having a structure in which a first length member, a second length member and a part of the adjusting member are detachable.

An object of the present invention is to provide a length adjusting device having a relatively simple structure, which can improve a function in a cost-effective manner and can be used for various purposes in a portion where length adjustment is required.

According to an aspect of the present invention, there is provided a length adjusting device including: a first length member having a first screw thread at an end thereof; A second elongated member having a second thread on its end and spaced apart from the first elongate member; And a third threaded and a fourth threaded adjustment member engaged with the first threaded portion and the second threaded portion, wherein the first thread of the first length member and the second thread of the second length member are identical Direction.

According to one aspect, the first screw thread and the second screw thread have different pitches, and the distance by which the first length member and the second length member are moved by the adjusting member may be different from each other.

According to one aspect, the moving distance of the first and second length members can be adjusted by a combination of the pitch of the first screw thread and the pitch of the second screw thread.

According to one aspect of the present invention, the adjusting member is provided with an inner space for receiving a portion of the first length member and the second length member, and the third thread and the fourth thread are formed on the side of the inner space have.

According to one aspect, by rotation of the regulating member, the first and second elongated members are moved in the same direction, and the first elongated member and the second elongated member are inserted through both ends of the regulating member Can be moved.

According to an aspect of the present invention, there is provided a length adjusting device including: a first length member having a first screw thread at an end thereof; A second elongated member having a second thread on its end and spaced apart from the first elongate member; And an adjustment member disposed outside the ends of the first and second elongated members for moving the first elongate member and the second elongate member, The movement distance of the first length member and the length of the second length member can be adjusted by a combination of the pitches of the first and second length members.

According to one aspect, the first thread of the first elongated member and the second thread of the second elongated member are formed in the same direction with each other, and the rotation of the regulating member causes the first elongated member and the second elongated member, Can be moved in the same direction.

According to one aspect, the first screw thread and the second screw thread have different pitches, and the distance by which the first length member and the second length member are moved by the adjusting member may be different from each other.

According to one aspect of the present invention, the adjusting member includes: a first adjusting member having the first length member inserted therein and having a third thread corresponding to the first thread; And a second adjusting member into which the second length member is inserted and in which a fourth screw thread corresponding to the second screw thread is formed; Wherein the first adjusting member and the second adjusting member are detachable from each other.

According to one aspect of the present invention, the first length or the second length may be detachably attached to the first length or the second length so that the pitch of the threads provided at the end of the first length or the second length is variable.

According to the length adjusting device according to the embodiment, the first thread formed on the first elongated member and the second thread formed on the second elongated member are formed in the same direction, and the first elongated member and the second elongated member The member can be moved in the same direction.

According to the length adjusting device according to the embodiment, the first screw thread and the second screw thread have different pitches, and the fine length adjustment is possible by a combination of the pitch of the first screw thread and the pitch of the second screw thread.

According to the length adjusting device according to the embodiment, the first length member, the second length member, and a part of the adjusting member are removably attachable, thereby realizing a variety of length adjusting ranges.

According to the length adjusting device according to the embodiment, it is possible to improve the function in a cost-effective manner by providing a relatively simple structure, and can be utilized for various purposes in a portion where length adjustment is required.

1 is a perspective view of a length adjusting device according to one embodiment.
2 is a cross-sectional view of a length adjusting device according to one embodiment.
Fig. 3 shows a structure in which the adjustment member is detachable in the length adjustment device according to one embodiment.
Fig. 4 shows a structure in which the ends of the first and second elongate members in the length adjusting device according to the embodiment are detachable.

Hereinafter, embodiments will be described in detail with reference to exemplary drawings. 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 numerals whenever possible, even if they are shown in different drawings. In the following description of the embodiments, detailed description of known functions and configurations incorporated herein will be omitted when it may make the best of an understanding clear.

In describing the components of the embodiment, 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;

FIG. 1 is a perspective view of a length adjusting device according to an embodiment, FIG. 2 is a cross-sectional view of a length adjusting device according to an embodiment, and FIG. 3 is a perspective view of a length adjusting device according to an embodiment, And Figure 4 illustrates a structure in which the ends of the first and second length members of the length adjustment device according to one embodiment are removable.

Referring to FIG. 1, a length adjusting device 10 according to one embodiment may include a first length 100, a second length 200, and an adjusting member 300.

The first and second elongated members 100 and 200 may be formed in a rod shape having a predetermined length.

At this time, the first and second longitudinal members 100 and 200 may be spaced apart from each other in the regulating member 300 so as to face each other.

Specifically, one end of the first elongated member 100 and one end of the second elongated member 200 may be spaced apart from each other so as to face each other.

The adjusting member 300 may be provided with an inner space to receive the first and second elongated members 100 and 200. The first elongated member 100 and the second elongated member 200 may be formed of a material, As shown in FIG.

For example, the adjustment member 300 may be provided in a cylindrical shape having a hollow therein.

At this time, the first and second longitudinal members 100 and 200 can be moved with respect to the adjusting member 300 by the rotation of the adjusting member 300. Specifically, the first and second longitudinal members 100 and 200 may be moved toward one end of the adjustment member 300 or may be moved toward the other end of the adjustment member 300.

This is described in more detail below with reference to FIG.

Referring to FIG. 2, a first thread 102 may be formed at one end of the first length member 100, for example, at one end. The first threads 102 may have a predetermined number of threads, lengths, and pitches.

Likewise, the second thread 202 may be formed at an end of the second elongate member 200, for example, at one end. The second threads 202 may have a predetermined number of threads, lengths, and pitches.

At this time, the first screw thread 102 and the second screw thread 202 may be formed in the same direction. For example, when the first thread 102 is formed by a right-hand thread, the second thread 202 is also formed as a right-hand thread, and when the first thread 102 is formed as a left-hand thread, .

The adjusting member 300 may further include a third thread 302 corresponding to the first thread 102 and a fourth thread 402 corresponding to the second thread 202. [

For example, a third thread 302 is formed on the inside of the inner space at one end where the first length 100 is inserted in the adjusting member 300, and the second length 200 is formed at the adjusting member 300 And a fourth thread 304 may be formed inside the inner space of the other end.

In this case, since the first screw thread 102 and the second screw thread 202 are formed in the same direction, the third thread 302 and the fourth thread 304 formed on the inner side of the adjusting member 300 are also formed in the same direction .

Accordingly, when the regulating member 300 rotates in a predetermined direction, the first and second elongated members 100 and 200 can move in the same direction.

For example, when the adjusting member 300 rotates in a predetermined direction, for example, in a clockwise direction, the first longitudinal member 100 is moved in a direction of being exposed to the outside from one end of the adjusting member 300, The length member 200 can be moved in a direction to be inserted into the other end of the adjustment member 300. [

On the other hand, when the adjusting member 300 rotates in the opposite direction, for example, counterclockwise, the first longitudinal member 100 is moved in the direction to be inserted into one end of the adjusting member 300, (200) can be moved in a direction to be exposed to the outside from the other end of the adjustment member (300).

The first thread 102 and the second thread 202 may have the same or different pitches and may be formed by a combination of the pitch of the first thread 102 and the pitch of the second thread 202, The moving distance of the long member 100 and the second long member 200 can be adjusted.

The pitches of the first and second threads 102 and 202 may vary depending on the inclination of the first and second threads 102 and 202.

For example, when the first screw thread 102 is a thread that is moved by L in one rotation of the adjustment member 300, the second screw thread 202 is moved by L / 2 during one rotation of the adjustment member 300 May be threaded.

In this case, when the adjusting member 300 makes one rotation in the clockwise direction, the first length member 100 is moved away from the one end of the adjusting member 300 by L, and the second length member 200 is moved away from the one end of the adjusting member 300, The length of the first longitudinal member 100 exposed to the adjustment member 300 is increased by L and the length of the second longitudinal member 200 is increased by L / 300 may be shortened by L / 2.

As a result, when the adjusting member 300 makes one rotation in the clockwise direction, the total length of the length adjusting device 10 according to an embodiment can be increased by L / 2.

When the adjusting member 300 makes one rotation in the counterclockwise direction, the first length member 100 is moved to be inserted into the one end of the adjusting member 300 by L, and the second length member 200 is inserted into the one end of the adjusting member 300, The length of the first longitudinal member 100 exposed to the adjustment member 300 is shortened by L and the length of the second longitudinal member 200 is reduced by L / 300 may be as long as L / 2.

As a result, when the adjusting member 300 makes one rotation in the counterclockwise direction, the total length of the length adjusting device 10 according to an embodiment may be shortened by L / 2.

In addition, when the first thread 102 is a thread that is moved by 3L / 4 in one rotation of the adjusting member 300 by reducing the pitch of the first thread 102, / RTI > in one revolution of the < / RTI >

In this case, when the adjusting member 300 makes one rotation in the clockwise direction, the first length member 100 is moved away from the one end of the adjusting member 300 by 3L / 4, and the second length member 200 is moved The length of the first length member 100 exposed to the adjusting member 300 is increased by 3L / 4 and the length of the second length member 200 is increased by L / The length of the exposed portion with respect to the adjusting member 300 may be shortened by L / 2.

As a result, when the adjusting member 300 makes one rotation in the clockwise direction, the total length of the length adjusting device 10 according to an embodiment can be shortened by L / 4.

On the other hand, when the adjusting member 300 makes one rotation in the counterclockwise direction, the first length member 100 is moved to be inserted by 3L / 4 into one end of the adjusting member 300, and the second length member 200 The length of the first longitudinal member 100 exposed to the adjustment member 300 is reduced by 3L / 4 and the length of the second longitudinal member 200 is increased by L / 2 from the other end of the adjustment member 300, May be as long as L / 2.

As a result, when the adjusting member 300 makes one rotation in the counterclockwise direction, the total length of the length adjusting device 10 according to an embodiment may be increased by L / 4.

The length adjusting device 10 according to one embodiment is formed by combining the pitch of the first screw thread 102 and the pitch of the second screw thread 202 so that the first and second length members 100, Can be implemented in various ways. In particular, fine length adjustment such as L / 2 or L / 4 is possible.

However, it should be understood that the range in which the length adjusting device 10 according to one embodiment is adjustable in length is not limited to this, and can be various lengths.

In order to realize the moving distance of the first length member 100 and the second length member 200 more variously by the combination of the pitch of the first threads 102 and the pitch of the second threads 202, The member 100, the second elongated member 200, and the regulating member 300 may be detachably attached.

Referring to FIG. 3, the adjustment member 300 may include a first adjustment member 310 and a second adjustment member 320.

The first adjusting member 310 may be provided with a third thread 312 corresponding to the first thread 102 so as to engage with the first thread 102. The second adjusting member 320 may include a second thread 312, A fourth thread 322 corresponding to the second thread 202 may be formed so as to engage with the second thread 202.

The first adjusting member 310 and the second adjusting member 320 may be detachably attached to each other so that the first adjusting member 310 having the third thread 312 corresponding to the first thread 102 A second adjustment member having a second screw thread or a fourth screw thread having a pitch may be mounted or a second adjustment member 320 having a fourth screw thread 322 corresponding to the second screw thread 320 may be provided with a different pitch A first adjusting member provided with a first screw thread or a third screw thread screw having a first screw thread.

4, a first replacement part 110 may be mounted on the first longitudinal member 100, and a second replacement part 210 may be mounted on the second longitudinal member 200. Referring to FIG.

A first thread 112 may be formed on the first replacement portion 110 and a third thread 212 may be formed on the second replacement portion 210. [

The first replacement part 110 and the second replacement part 210 are detachably attached to the first and second longitudinal members 100 and 200 so that the first longitudinal part 100 and the second longitudinal part 200 have different pitches A second replacement part 210 having a first thread part 112 having a first pitch and a second thread part 212 having a different pitch are formed on the second length part 200, Can be mounted.

By combining threads having various pitches as described above, it is possible to variously adjust the length of the length adjusting device 10 according to the embodiment.

Further, although not specifically shown, it is of course possible to control the moving distance of the first and second elongated members 100 and 200 by adjusting the rotation angle of the regulating member 300. For example, it is possible to maintain the 1/2 rotation state of the adjustment member 300 or to maintain the 1/4 rotation state.

In addition, the length adjusting device 10 according to one embodiment may have an end at which the first thread 102 is not formed in the first longitudinal member 100, for example, the other end of the first longitudinal member 100, A first stationary element 104 and a second stationary element 204 may be provided at the end of the member 200 where no second screw thread 202 is formed, have.

The first stationary element 104 and the second stationary element 204 may be used to secure the first and second elongate members 100 and 200 to other structures.

Although the first fixing element 104 and the second fixing element 204 are illustrated as being provided in a ring shape in the drawing, the shapes of the first ring element 102 and the second fixing element 204 are not limited thereto, It is possible to fix any one of the long member 100 and the second long member 200 to another structure.

Although the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And various modifications and changes may be made thereto without departing from the scope of the present invention. Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

10: Length adjusting device
100: a first length member
102: First thread
104: first fixing element
200: second length member
202: Second thread
204: second fixing element
300: adjustable member
302: Third thread
304: fourth thread

Claims (10)

A first elongated member having a first thread formed at an end thereof;
A second elongated member having a second thread on its end and spaced apart from the first elongate member; And
A third threaded and fourth threaded adjustment member engaging the first threaded portion and the second threaded portion;
Lt; / RTI >
Wherein the first thread of the first length member and the second thread of the second length member are formed in the same direction.
The method according to claim 1,
Wherein the first thread and the second thread have different pitches,
Wherein the distance by which the first length member and the second length member are moved by the adjusting member is different.
3. The method of claim 2,
And the movement distance of the first and second length members is adjusted by a combination of the pitch of the first screw thread and the pitch of the second screw thread.
The method according to claim 1,
Wherein the adjusting member is provided with an inner space to receive a portion of the first length member and the second length member,
And the third screw thread and the fourth screw thread are formed on a side surface of the inner space.
5. The method of claim 4,
Wherein the first length member and the second length member are moved in the same direction by rotation of the regulating member and the first length member and the second length member are moved through both ends of the regulating member, .
A first elongated member having a first thread formed at an end thereof;
A second elongated member having a second thread on its end and spaced apart from the first elongate member; And
An adjusting member disposed outside the ends of the first length member and the second length member to move the first length member and the second length member;
Lt; / RTI >
And the movement distance of the first and second length members is adjusted by a combination of the pitch of the first screw thread and the pitch of the second screw thread.
The method according to claim 6,
Wherein the first thread of the first length member and the second thread of the second length member are formed in the same direction so that the first length member and the second length member rotate in the same direction A length adjusting device to be moved.
8. The method of claim 7,
Wherein the first thread and the second thread have different pitches,
Wherein the distance by which the first length member and the second length member are moved by the adjusting member is different.
The method according to claim 6,
Wherein the adjustment member comprises:
A first adjusting member into which the first length member is inserted and in which a third screw thread corresponding to the first screw thread is formed; And
A second adjusting member into which the second length member is inserted and in which a fourth screw thread corresponding to the second screw thread is formed;
Lt; / RTI >
Wherein the first adjustment member and the second adjustment member are detachable from each other.
The method according to claim 6,
Wherein the end of the first length member or the length of the second length member is detachably provided so that the pitch of the thread provided at the end of the first length member or the second length member can be changed.
KR1020150140194A 2015-10-06 2015-10-06 Device for adjusting length KR20170040925A (en)

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KR1020150140194A KR20170040925A (en) 2015-10-06 2015-10-06 Device for adjusting length

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KR1020150140194A KR20170040925A (en) 2015-10-06 2015-10-06 Device for adjusting length

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980178A (en) * 2017-11-07 2018-12-11 深圳市心版图科技有限公司 A kind of bolt of adjustable-length
CN110848330A (en) * 2019-11-25 2020-02-28 徐州道亨钢绳索具有限公司 Adjustable bolt locker
KR102207593B1 (en) * 2020-07-09 2021-01-25 한전케이피에스 주식회사 Apparatus for remove of Boiler Tube Clinker
KR102232955B1 (en) * 2020-10-12 2021-03-25 이상정 Heteromorphic coupler

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980178A (en) * 2017-11-07 2018-12-11 深圳市心版图科技有限公司 A kind of bolt of adjustable-length
CN110848330A (en) * 2019-11-25 2020-02-28 徐州道亨钢绳索具有限公司 Adjustable bolt locker
KR102207593B1 (en) * 2020-07-09 2021-01-25 한전케이피에스 주식회사 Apparatus for remove of Boiler Tube Clinker
KR102232955B1 (en) * 2020-10-12 2021-03-25 이상정 Heteromorphic coupler

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