KR101701284B1 - Quick link for chain connection - Google Patents

Quick link for chain connection Download PDF

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Publication number
KR101701284B1
KR101701284B1 KR1020150080501A KR20150080501A KR101701284B1 KR 101701284 B1 KR101701284 B1 KR 101701284B1 KR 1020150080501 A KR1020150080501 A KR 1020150080501A KR 20150080501 A KR20150080501 A KR 20150080501A KR 101701284 B1 KR101701284 B1 KR 101701284B1
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KR
South Korea
Prior art keywords
cover
restraining
rod
retaining
opening
Prior art date
Application number
KR1020150080501A
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Korean (ko)
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KR20160144132A (en
Inventor
문봉만
박영욱
Original Assignee
(주)렉셀코리아
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 (주)렉셀코리아 filed Critical (주)렉셀코리아
Priority to KR1020150080501A priority Critical patent/KR101701284B1/en
Publication of KR20160144132A publication Critical patent/KR20160144132A/en
Application granted granted Critical
Publication of KR101701284B1 publication Critical patent/KR101701284B1/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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
    • 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
    • F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
    • F16G15/12—Chain links

Abstract

The present invention relates to a quick link for connecting a chain, and it is possible to connect a separate ring of the chain very quickly and stably, thereby reducing the time and cost required for the operation and increasing the working efficiency.
The present invention relates to a c-shaped connecting body having an opening formed at one side thereof so as to be able to connect two links for connecting separate chains; And a rotary ring rotatably installed on the other side of the connection body for rotatably supporting the cover, wherein the rotation ring is further provided on the other side of the connection body, And the opening of the connection body can be opened and closed while the cover rotates without being separated from the connection body.

Description

{QUICK LINK FOR CHAIN CONNECTION}

The present invention relates to a link for connecting a chain, and in particular, it is possible to connect a separate ring of a chain very quickly and stably, thereby reducing the time and cost required for the operation, .

Generally, chains of metal rings are connected in series. They are widely used in industrial, mooring, shipbuilding, shipbuilding, and other industries. do.

Among these chains, vessels for mooring (ships) can be as small as 5 to 6 cm in thickness, 500 to 600 m in length, and small as a necklace used for long-term credit. In the present invention, (Hereinafter referred to as "chain") widely used for power transmission of various machines, for example, for crane, for mooring, for chain block for lifting load, and for other purposes.

The chain is easy to wind around an object due to its flexible nature due to its easy bendability, but the chains used to apply tensile forces, such as cable car or ropeway, Steel ropes are mainly used.

In addition, another characteristic of the chain is that plural rings are connected in a form of a line, so that when a part of the ring is removed, its length can be easily adjusted. In the case where a specific part is worn, It is configured to have the advantage that it can be used.

In addition, the chain can be used by supplying raw material powder in the manufacturing process of the material or by installing it on a pipe conveyor which can easily discharge the waste (polymer) generated in the manufacturing process.

On the other hand, when a chain is used in a pipe conveyor, a certain tension is always applied. In order to precisely fit the sprocket wheel to be driven, a length of the chain is adjusted or a part of the worn chain is replaced.

In this case, since one link (unit link) constituting the chain is disconnected and then a new link is connected and then welding is performed using welding or the like, There is a problem that it takes much time to work. In other words, welding is performed after provisionally fixing the separated surface with a separate jig in a state where a new link is attached to the chain separated to both sides, and cutting the exposed welded portion protruding outward in the welding process As the process takes longer, the working time is slowed down and the working efficiency is lowered.

On the other hand, Korean Patent Laid-Open Publication No. 2005-0087359 (Aug. 31, 2005), for example, discloses a technique for easily linking links of a chain as a means for solving the above-mentioned conventional problems.

However, in the case of such a conventional technique, many improvements can be achieved in that it is possible to connect the separated links conveniently, but there is still a lot of troubles due to the process of separating the bodies and rejoining them in the linking process between the links And there is a problem that the speed is poor.

Further, the connector for connecting the link is usually used at a high place such as a port or the like. In the case of the prior art, since the body is separated, an accident that the connector is dropped down during the operation of separating and connecting them has frequently occurred. Such an accident caused a catastrophic human casualty, or added to the unloading of iron ore, causing additional problems.

Korean Patent Publication No. 2005-0087359 (Aug. 31, 2005)

The present invention has been made in order to solve the problems of the related art as described above, and it is an object of the present invention to reduce the time and cost required for the operation by connecting the separated rings of the chain very quickly and stably. And to provide a quick link for a chain connection so as to increase efficiency.

In order to achieve the above object, according to the technical idea of the present invention, there is provided a quick link for chain connection, comprising: a C-shaped connecting body having an opening formed at one side thereof so as to connect and connect two links for connecting a separate chain; And a rotary ring rotatably installed on the other side of the connection body for rotatably supporting the cover, wherein the rotation ring is further provided on the other side of the connection body, And the opening of the connection body can be opened and closed while the cover is rotated without being separated from the connection body.

Here, a restricting hole is formed in a direction facing the opening portion of the other side of the connection body, and the cover is inserted into the restricting hole so that the cover does not rotate in a state closed by filling the opening portion of the connection body And a restraining rod for restraining the restraint is provided.

In addition, the restraining rod tends to retreat due to the elastic force of a spring provided on the cover, and a hooking protrusion is formed on the engaging member provided on the cover so as not to retract due to the elastic force of the spring when the restraining rod is advanced .

In addition, a hexagonal groove for a hexagonal wrench is provided at the rear end of the restraining rod so that the restraining rod can be advanced and rotated by using a wrench, and the restraining rope of the restraining rod is selectively rotated In the case of the present invention.

In addition, a seating groove is seated on the distal end of the retaining member when the retaining rope is laid. When the retaining rods of the retaining rods are in contact with the retaining rods, So that rotation can be performed.

In addition, the connection body may be provided with recesses on both sides of the opening, and an anchoring protrusion may be formed on the cover to be inserted into the recess of the connection body.

In addition, a magnet may be embedded in the anchoring projecting portion so that the anchoring projecting portion is engaged by the magnetic force when the anchoring projecting portion is inserted into the concave portion of the connection body.

INDUSTRIAL APPLICABILITY The quick link for chain connection according to the present invention makes it possible to connect the separated rings of the chain very quickly and stably, thereby reducing the time and cost required for the work and improving the working efficiency.

In addition, the present invention is configured such that the connecting body and the cover are not separated from each other, so that there is no problem such as a human injury that can occur when a part of the chain connecting operation falls from a high place such as a port or the like.

In addition, the present invention can stably maintain the closed state of the open portion of the connection body by the structure including the restraining rod elastically supported by the spring.

In addition, according to the present invention, it is possible to effectively prevent the cover from rotating during the restraining operation between the cover and the connecting body by the restraining rod by the constitution in which the magnet is incorporated in the cover.

1 is a perspective view of a quick link for chain connection according to an embodiment of the present invention;
FIG. 2 is a perspective view showing a state in which a connecting body is opened in a quick link for chain connection according to an embodiment of the present invention. FIG.
3 is an exploded perspective view for explaining a configuration of a quick link for chain connection according to an embodiment of the present invention;
4 is a longitudinal sectional view of a quick link for chain connection according to an embodiment of the present invention
5A to 5C are a series of reference drawings for explaining the operation and operation of the quick link for chain connection according to the embodiment of the present invention

BEST MODE FOR CARRYING OUT THE INVENTION A quick link for chain connection according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention, and are actually shown in a smaller scale than the actual dimensions in order to understand the schematic structure.

Also, the terms first and second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. On the other hand, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

FIG. 1 is a perspective view of a quick link for chain connection according to an embodiment of the present invention, FIG. 2 is a perspective perspective view showing a state in which a connecting body is opened in a quick link for chain connection according to an embodiment of the present invention, 4 is an exploded perspective view illustrating a structure of a quick link for chain connection according to an embodiment of the present invention, and FIG. 4 is a longitudinal sectional view of a quick link for chain connection according to an embodiment of the present invention.

As shown, the quick link according to the embodiment of the present invention includes a C-shaped connecting body 110, a rotating ring 120, a cover 130, and a restraining rod 140, The cover 130 for opening and closing the opening portion 110a of the connection body 110 is not made of a detachable type requiring separation and coupling processes but can be opened and closed by a simple rotation operation So that it is possible to shorten the time required for the operation without the hassle of separation and connection unlike the prior art.

Hereinafter, a quick link according to an embodiment of the present invention will be described in more detail with reference to the respective components.

The connection body 110 serves to connect two links C for connection of the separated chains. To this end, the connecting body 110 is formed of a C-shaped body having an opening 110a at one side so as to be able to connect and connect two links. A groove 111 is formed in the other side of the connecting body 110 opposite to the one side where the opening 110a is formed so that the rotary ring 120 is seated and rotated so as to be rotatable . A restricting hole 115 is formed in the other side of the connecting body 110 so that the distal end of the restricting bar 140 can be inserted in a direction facing the opening 110a. The connection body 110 is formed with concave portions 112 on both sides of the opening 110a. The concave portion 112 is formed such that an anchoring protrusion 131d formed on the cover 130 is inserted. A magnet 150 is embedded in the anchoring protrusion 131d and inserted into the concave portion 112 of the coupling body 110 so that the magnet 150 is directly coupled to the concave portion. When the magnet 150 is provided to help the coupling between the connecting body 110 and the cover 130 by the magnetic force, the cover 130 is unnecessarily removed during the restraining operation by the restraining rod 140 The problem of rotating can be effectively suppressed.

The cover 130 selectively closes or opens the opening 110a of the connection body 110. [ The cover 130 includes a first cover 130a connected to an end of the rotary ring 120 and a second cover 130a coupled to the opening 130a of the connection body 110 And a second cover part 130b to be positioned on the first cover part 110a. The second cover part 130b is provided with a filling part 131e for filling the opening part 110a of the connecting body 110 in a wide protruding form and the filling part 131e, And an anchoring protruding portion 131d inserted in correspondence with the recess 112 formed in the body 110. [ In the case of the anchoring protruding portion 131d, the connecting body 110 functions to suppress the load when the chain is connected by the chain.

The first cover part 130a and the second cover part 130b are formed in a manner that the first through hole 131a and the second through hole 131b are communicated with each other so that the restraining rod 140 can move forward and backward . The first cover part 130a and the second cover part 130b are connected by a cylindrical engaging member 132 having a center hole 132b so that a part of the restricting bar 140 passes therethrough, 132 are fitted over the first through hole 131a and the second through hole 131b of the first cover part 130a and the second cover part 130b. A restricting ring 133 is fitted in the first through hole 131a of the first cover part 130a so as to prevent the restricting bar 140 from moving in the advancing direction.

The rotation ring 120 is rotatably installed in a groove 111 formed in the other side of the connection body 110 to rotatably support the cover 130. As shown in the figure, the rotary ring 120 has a C-shaped body having a partially open portion, and a through hole 121a is formed at both ends 121 of the rotation ring 120 to be engaged with the first cover portion 130a by bolts and nuts. . It should be noted that the first cover part 130a is coupled to the open part of the rotation ring 120 to be positioned. This is to allow the leading end of the restraining rod 140 advancing from the first cover part 130a to be inserted into the restraining hole 115 formed in the connecting body 110. [

It should be noted that the cover 130 having the above configuration is configured such that the cover 130 is rotated about the connection body 110 along a predetermined orbit by the rotation ring 120. The cover 130 may be separated from the connecting body 110 to connect the link of the chain to the connecting body 110 or the cover 130 may be connected to the connecting body 110 after the chain is connected by the connecting body 110, And there is no waste of time and work.

The restraining rod 140 restrains the cover 130 from rotating in a state where the cover 130 is closed by filling the opening 110a of the connection body 110. [ For this, the restraint rod 140 is installed on the cover 130 so as to be able to advance and retreat, and its distal end is inserted into the restraining hole 115 of the connecting body 110. When the restraining rod 140 is retracted, So that it is separated from the hole 115.

The restraining rod 140 tends to retreat due to the elastic force of the spring 134 installed in the second through hole 131b of the second cover part 130b of the cover 130. [ A locking projection 141 is formed on the end of the engaging member 132 provided on the cover 130 so as not to retract due to the elastic force of the spring 134 when the retaining rod 140 is advanced.

The rear end of the restraining rod 140 is formed with a member 140a having a hexagonal recess 142 for a hexagonal wrench to be engaged with the rear end of the restraint rod 140. The rear end of the restraint rod 140 can advance and rotate the restraint rod 140 using a hexagonal wrench . The locking protrusion 141 of the restraining rod 140 is formed in a flat shape having a width varying in a direction and selectively extended to the distal end of the retaining member 132 according to the rotation angle of the restraining rod 140 do. Here, a seating groove 132a is formed at the distal end of the latching member 132 to be seated when the latching protrusion 141 is extended. When the restricting rods 140 of the restricting rods 140 are extended over the retaining rods 132 using the wrenches only when the restricting rods 140 are slightly advanced, This is possible.

According to the configuration of the restraint rod 140, the restraint rod 140 is advanced and rotated by using a hexagonal wrench in a state in which the cover 130 closes the opening 110a of the connection body 110 The cover 130 can be easily restrained from rotating.

The operation and operation of the quick link according to the embodiment of the present invention will now be described in detail with reference to FIGS. 5A to 5C and other drawings. 5A to 5C are a series of reference views for explaining the operation and operation of the quick link for chain connection according to the embodiment of the present invention.

5A is a state in which the cover 130 is freely rotatable with respect to the connection body 110. FIG. In this state, the opening 130a of the connecting body 110 can be selectively opened and closed while the cover 130 is rotated around the other side of the connecting body 110, and the opening 110a is opened The chain of the chain is connected to the connection body 110 through the connection.

5B, when the cover 130 is closed with the opening 110a of the connection body 110 closed, the restraining rod 140 having the hexagonal groove 142 formed using the hexagonal wrench R, . Then, the distal end of the restricting rod 140 is inserted into the restricting hole 115 of the connecting body 110 while being moved forward. It is possible to rotate the restraining rods 140 by using the hexagonal wrenches R in a state where the restraint rods 140 are advanced deeply into the restraining holes 115. As a result, Is rotated together to be stretched over the distal end of the engaging member 132. [ Since the cover 130 and the coupling body 110 are engaged by the magnetic force of the magnet 150 built in the cover 130 during the restraining operation of the restraint rod 140, Can be prevented.

5c, when the load of the hexagonal wrench R is removed from the restraint rod 140, the restraint rod 140 tends to retreat due to the elastic force of the spring 134, The locking protrusion 141 is seated in the front end seating groove 132a of the locking member 132 so that the locking protrusion 141 is advanced into the locking hole 115 and remains inserted. Accordingly, the state in which the cover 130 is closed by closing the opening portion 110a of the connecting member can be stably maintained in a state where the linking member is connected to the link of the separated chain.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the present invention, which is defined by the limitations of the following claims.

110: connecting body 110a:
115: constraint hole 120: rotating ring
130: cover 132: engaging member
140: restraint rods 150: magnets

Claims (8)

A C-shaped connecting body having an opening formed at one side thereof so as to be able to connect two links for connecting the separated chains;
And a cover provided to selectively close or open the opening portion of the connection body,
And a rotary ring rotatably installed on the other side of the connection body for rotatably supporting the cover, wherein the cover rotates in a state not separated from the connection body to open and close the opening of the connection body However,
A restraining hole is formed in a direction of facing the opening portion of the other side portion of the connecting body, and the cover is advanced into the restraining hole to restrain the cover from rotating in a state of closing the opening portion of the connecting body A restraining rod is installed,
Wherein the restricting rod is inclined to retreat due to an elastic force of a spring provided on the cover and a locking protrusion is formed on the retaining rod so as to extend over the retaining member provided on the cover so as not to retract due to the elastic force of the spring. Quick link for chain connection. delete delete The method according to claim 1,
And a hexagonal groove for a hexagonal wrench is provided at the rear end of the restraining rod so that the restraining rod can be advanced and rotated by using a wrench and the restraining rope of the restraining rod selectively spans the retaining member according to the rotation angle of the restraining rod Wherein said fastening means comprises: 5. The method of claim 4,
Wherein a restricting groove is formed at the distal end of the retaining member when the retaining rope is extended, and when the retaining rods of the retaining rods are extended over the retaining rods, only when the retaining rods are slightly advanced by using a wrench, Wherein said fastening means comprises: The method according to claim 1,
Wherein the connecting body is formed with recesses on both sides thereof with respect to the opening, and the cover is provided with an anchoring protruding portion inserted in correspondence with the recess of the connecting body. The method according to claim 6,
Wherein a magnet is embedded in the anchoring protrusion so that the anchoring protrusion is engaged by a magnetic force in a state where the anchoring protrusion is inserted into the recess of the connection body. A C-shaped connecting body having an opening formed at one side thereof so as to be able to connect two links for connecting the separated chains; And a cover provided to selectively close or open the opening portion of the connection body,
And a rotary ring rotatably installed on the other side of the connection body for rotatably supporting the cover, wherein the cover rotates in a state not separated from the connection body to open and close the opening of the connection body However,
A restraining hole is formed in a direction of facing the opening portion of the other side portion of the connecting body, and the cover is advanced into the restraining hole to restrain the cover from rotating in a state of closing the opening portion of the connecting body And the restricting rod is provided with a restricting rod which tends to retract due to the elastic force of a spring provided on the cover and which prevents the retaining rod from retracting due to the elastic force of the spring when the restricting rod is advanced, Lt; / RTI >
And a hexagonal groove for a hexagonal wrench is provided at the rear end of the restraining rod so that the restraining rod can be advanced and rotated by using a wrench and the restraining rope of the restraining rod is selectively wound on the retaining member according to the rotation angle of the restraining rods Wherein a restricting groove is formed at the distal end of the retaining member so as to be seated when the retaining protrusion is extended, and in a state in which the retaining protrusion of the retaining rod is extended over the retaining member, Allowing rotation,
Wherein the connecting body is formed with recesses on both sides thereof with respect to the opening, and the cover is provided with an anchoring protruding portion inserted in correspondence with the recess of the connecting body.
KR1020150080501A 2015-06-08 2015-06-08 Quick link for chain connection KR101701284B1 (en)

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KR1020150080501A KR101701284B1 (en) 2015-06-08 2015-06-08 Quick link for chain connection

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KR101701284B1 true KR101701284B1 (en) 2017-02-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021228965A1 (en) 2020-05-15 2021-11-18 Flintstone Technology Ltd Improvements in or relating to chain connection

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220106019A1 (en) 2019-02-25 2022-04-07 Seasystems As Releasable mooring chain link
NO346446B1 (en) * 2019-02-25 2022-08-22 Seasystems As A releasable mooring chain link and a method for operating the mooring chain link
WO2024074742A1 (en) * 2022-10-03 2024-04-11 Vicinay Mooring Connectors, S.A. Detachable mooring chain link, connection system and method for disconnecting two mooring chains underwater

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Publication number Priority date Publication date Assignee Title
JP2005172072A (en) * 2003-12-09 2005-06-30 Ebe Takashi Connection ring

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JPH0140364Y2 (en) * 1985-07-05 1989-12-04
JPH0658949U (en) * 1993-02-01 1994-08-16 世津子 矢野 Drug Pocket (14th)
NL1004866C2 (en) * 1996-12-20 1998-06-29 Nemag Nv Lockable chain link.
KR100619604B1 (en) 2004-02-26 2006-09-01 주식회사 동아이엔씨 Link chain connection tool

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Publication number Priority date Publication date Assignee Title
JP2005172072A (en) * 2003-12-09 2005-06-30 Ebe Takashi Connection ring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021228965A1 (en) 2020-05-15 2021-11-18 Flintstone Technology Ltd Improvements in or relating to chain connection

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