CN213655600U

CN213655600U - Drag chain link structure and drag chain

Info

Publication number: CN213655600U
Application number: CN202022084762.8U
Authority: CN
Inventors: 王正伍
Original assignee: Wuxi Desp Energy Chain Technology Ltd
Current assignee: Wuxi Desp Energy Chain Technology Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-09
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a tow chain festival structure and tow chain, this tow chain festival structure includes first link joint, the second link joint, two apron, first link joint and second link joint interval set up, the one end of at least one articulates on first link joint in two apron, other end joint is on the second link joint, the hinge groove has been seted up on the first link joint, the correspondence of hinge inslot is provided with the articulated shaft, the one end of apron is provided with the hinge joint, be provided with on the hinge joint with articulated shaft complex draw-in groove, the joint groove has been seted up on the second link joint, the inboard in joint groove is provided with the joint hook, the joint hole has been seted up to the cooperation joint hook in the other end of apron, and the correspondence of joint inslot has seted up two spacing grooves, the cooperation spacing groove outwards extends in the tip both sides of apron has the spacing piece. The drag chain link structure is simple in structure, ingenious in design and convenient to machine and form, and the manufacturing cost is reduced; and the whole structure is more stable and reliable and is not easy to be separated.

Description

Drag chain link structure and drag chain

Technical Field

The utility model belongs to the technical field of mechanical equipment annex, especially, relate to a tow chain festival structure and tow chain.

Background

The drag chain is suitable for being used in reciprocating occasions, and can play a role in traction and protection of built-in cables, oil pipes, air pipes, water pipes and the like. Generally, the chain is flat and comprises a plurality of unit chain links, the chain links can freely rotate, and the unit chain links comprise two chain plates, an upper cover plate and a lower cover plate. At present, the drag chain is widely applied to the fields of numerical control machines, electronic equipment, stone machinery, glass machinery, door and window machinery, injection molding machines, mechanical arms, hoisting and transporting equipment, automatic warehouses and the like.

The drag chain can be divided into a steel drag chain, a steel-aluminum drag chain, a plastic drag chain, a stainless steel drag chain, a nylon drag chain and the like according to the material, wherein the plastic drag chain is one of the most common drag chains, and the plastic drag chain is buckled and connected into a whole by a plurality of drag chains in an energy-saving bending way at a certain angle. The tow chain section of current plastics tow chain includes two curb plates and two apron, and the both ends of at least one carry out the joint with two curb plates respectively in two apron, and following shortcoming of this kind of structure ubiquitous:

1) when a cable or a pipeline in the drag chain is stressed to swing to a large extent, the cover plate is easy to fall off completely, and the reliability is low;

2) the clamping structure is complex, the manufacture is not convenient, and the processing cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned problem, provide a tow chain festival structure to the apron of tow chain festival easily drops and the high problem of manufacturing cost among the solution prior art.

Another object of the present invention is to provide a drag chain for solving the problems of low reliability and high manufacturing cost of the drag chain in the prior art.

The utility model aims at realizing through the following technical scheme:

a drag chain joint structure comprises a first chain plate, a second chain plate and two cover plates, wherein the first chain plate and the second chain plate are arranged at intervals, the two cover plates are arranged between the first chain plate and the second chain plate at intervals along the height direction to form a channel, one end of at least one of the two cover plates is hinged on the first chain plate, the other end is clamped on the second chain plate, wherein the first chain plate is provided with a hinge groove, a hinge shaft is correspondingly arranged in the hinge groove, one end of the cover plate is provided with a hinged joint, the hinged joint is provided with a clamping groove matched with the hinged shaft, the second chain plate is provided with a clamping groove, the inner side of the clamping groove is provided with a clamping hook, the other end of the cover plate matched with the clamping hook is provided with a clamping hole, and two limiting grooves are correspondingly formed in the clamping grooves, and limiting blocks are matched with the limiting grooves and extend outwards from two sides of the end part of the cover plate.

As a preferred scheme of the utility model, the width of articulated joint is less than the width in hinge groove, the correspondence of hinge inslot is provided with two columniform articulated minor axes, the both sides of articulated joint are seted up and are corresponded complex draw-in groove with articulated minor axis.

As a preferred scheme of the utility model, the tip of articulated joint is provided with the spacing face of circular arc, and it is spacing to carry on in the face of the opening angle of apron through the circular arc is spacing.

As a preferred scheme of the utility model, the apron assembles back on two link joints, and its one end of seting up the joint hole flushes with the lateral surface of second link joint.

As an optimized scheme of the utility model, have the clearance that is favorable to the joint hook to produce deformation between the root of joint hook and the body of second link joint.

As an optimized scheme of the utility model, the spacing groove is square groove, corresponds the stopper also is square structure.

As a preferred scheme of the utility model, two apron are upper cover plate and lower apron respectively, down the apron with first link joint and second link joint structure as an organic whole, the one end of upper cover plate articulates on first link joint, and other end joint is on the second link joint.

As a preferred scheme of the utility model, two apron are upper cover plate and lower apron respectively, the upper cover plate all articulates on first link joint with the one end of lower apron, and the equal joint of the other end is on the second link joint.

The drag chain comprises a plurality of drag chain link structures, and two adjacent drag chain links are connected into a whole through a buckling assembly.

The beneficial effects of the utility model are that, tow chain link structure has following advantage:

1) the structure is simple, the design is ingenious, the processing and the forming are convenient, and the manufacturing cost is reduced;

2) the one end of apron articulates on the second link joint, and the other end joint is on first link joint, and the joint structure is more reliable and more stable, is difficult for throwing away, even if the one end of apron joint takes place to throw away moreover, and the other end also can not follow the second link joint and drop.

Drawings

Fig. 1 is a schematic perspective view of a drag chain link structure according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an upper cover plate of a drag link structure according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of the drag chain link structure according to the embodiment of the present invention after the upper cover plate is removed.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in the present embodiment, a drag chain includes a plurality of the above drag chain link structures, two adjacent drag chain link structures are connected into a whole by a fastening assembly, the drag chain link structure includes a first chain plate 1, a second chain plate 2, an upper cover plate 3 and a lower cover plate 4, the first chain plate 1 and the second chain plate 2 are identical in structure and are arranged in parallel at intervals, and the upper cover plate 3 and the lower cover plate 4 are arranged in parallel at intervals along a height direction between the first chain plate 1 and the second chain plate 2 to form a channel for passing through cables, oil pipes, air pipes, water pipes, and the like.

Lower apron 4 in this embodiment, first link joint 1 and second link joint 2 structure as an organic whole, the one end of upper cover plate 3 articulates on first link joint 1, the other end joint is on second link joint 2, articulated groove 10 has been seted up on first link joint 1, it has a columniform articulated minor axis 11 to correspond to extend inwards on the both sides wall of articulated groove 10, the one end of upper cover plate 3 is provided with articulated joint 30, the width of articulated joint 30 is less than the width of articulated groove 10, the draw-in groove 31 that corresponds the complex with articulated minor axis 11 is seted up to the both sides of articulated joint 30, articulated joint 30 passes through draw-in groove 31 and assembles on articulated minor axis 11, the end of upper cover plate 3 can rotate certain angle around articulated minor axis 11, the tip of articulated joint 30 is provided with circular arc spacing face 32, it is spacing to carry out the opening angle of upper cover plate 3 through circular arc spacing face 32. Seted up joint groove 20 on second link joint 2, the inboard in joint groove 20 is provided with joint hook 21, joint hole 33 has been seted up to cooperation joint hook 21 in the other end of upper cover plate 3, and correspond on two lateral walls in joint groove 20 and seted up a square spacing groove 22, cooperation spacing groove 22 has square stopper 34 in the outside extension in the tip both sides of upper cover plate 3, upper cover plate 3 assembles back on two link joints, its one end of seting up joint hole 33 flushes with the lateral surface of second link joint 2, it is favorable to joint hook 21 to produce the clearance of deformation to have between the root of joint hook 21 and the body of second link joint 2.

During specific installation, assemble the hinge 30 of upper cover plate 3 in articulated groove 10 earlier, make two articulated minor axis 11 card go into two draw-in grooves 31 that correspond, then rotate upper cover plate 3 and impress upper cover plate 3 in the joint groove 20, joint hook 21 card is gone into in the joint hole 33 that corresponds and is fixed in joint groove 20 with the this end of upper cover plate 3, stopper 34 on the upper cover plate 3 gets into corresponding spacing groove 22 simultaneously to improve the reliability of the 3 joint ends of upper cover plate.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a drag chain link structure, its includes first link joint, second link joint, two apron, first link joint and second link joint interval set up, two apron set up along the direction of height interval and form the passageway between first link joint and second link joint, just in two apron at least one end articulate on first link joint, other end joint on the second link joint, its characterized in that: the hinge groove has been seted up on the first link joint, the hinge inslot correspondence is provided with the articulated shaft, the one end of apron is provided with the hinge head, be provided with on the hinge head with articulated shaft complex draw-in groove, the joint groove has been seted up on the second link joint, the inboard in joint groove is provided with the joint hook, the cooperation joint hook in the joint hole has been seted up to the other end of apron, just two spacing grooves have been seted up to the joint inslot correspondence, the cooperation spacing groove in the tip both sides of apron outwards extend the spacing piece.

2. The towline link structure of claim 1, wherein: the width of articulated joint is less than the width in hinge groove, the hinge inslot corresponds and is provided with two columniform articulated minor axes, the draw-in groove that corresponds the complex with articulated minor axis is seted up to the both sides of articulated joint.

3. The towline link structure of claim 1, wherein: the end of the hinge joint is provided with an arc limiting surface, and the opening angle of the cover plate is limited through the arc limiting surface.

4. The towline link structure of claim 1, wherein: and after the cover plate is assembled on the two chain plates, one end of the cover plate, which is provided with the clamping hole, is flush with the outer side surface of the second chain plate.

5. The towline link structure of claim 1, wherein: a gap which is favorable for deformation of the clamping hook is formed between the root of the clamping hook and the body of the second chain plate.

6. The towline link structure of claim 1, wherein: the limiting groove is a square groove, and the limiting block is of a square structure correspondingly.

7. The towline link structure of claim 1, wherein: the two cover plates are respectively an upper cover plate and a lower cover plate, the lower cover plate and the first chain plate and the second chain plate are of an integrated structure, one end of the upper cover plate is hinged to the first chain plate, and the other end of the upper cover plate is clamped on the second chain plate.

8. The towline link structure of claim 1, wherein: the two cover plates are respectively an upper cover plate and a lower cover plate, one ends of the upper cover plate and the lower cover plate are hinged to the first chain plate, and the other ends of the upper cover plate and the lower cover plate are clamped on the second chain plate.

9. A drag chain, characterized in that: the drag chain comprises a plurality of drag chain link structures as claimed in any one of the preceding claims 1 to 8, and two adjacent drag chain links are connected into a whole through a buckling assembly.