CN220850574U - Plastic drag chain - Google Patents

Abstract

The utility model discloses a plastic drag chain, which comprises chain links and joints connected with the chain links; the joint comprises two side plates which are oppositely arranged and a connecting plate connected between the two side plates, the outer end of the connecting plate is detachably provided with a pipeline positioning piece, and the pipeline positioning piece can move along the width direction of the joint. The plastic drag chain has reasonable structural design, can be replaced when the pipeline positioning piece is damaged, and can be adaptively adjusted according to the positions of the wires distributed in the drag chain so as to improve the order of pipeline fixing.

Description

Plastic drag chain

Technical Field

The utility model relates to the field of drag chain structural design, in particular to a plastic drag chain.

Background

The drag chain is suitable for reciprocating occasions, can play a role in traction and protection on pipelines such as built-in cables, oil pipes, water pipes and the like, and is widely applied to occasions such as numerical control machine tools, electronic equipment, stone machinery, glass machinery, door and window machinery, injection molding machines, manipulators, lifting and transporting equipment, automatic warehouses and the like. Drag chains generally include a plurality of links connected end-to-end and joints connected at either end of the drag chain for secure mounting. In patent document CN 202597590U a plastic drag chain is disclosed, comprising a joint, a comb plate is arranged at the end of the joint bottom plate far away from the chain link, the comb plate is used for fastening the pipeline in the drag chain with the comb plate by using a binding belt, thereby fixing the pipeline. In the patent document, the comb plate and the joint bottom plate are connected into a whole, the comb plate (equivalent to a pipeline positioning piece in the application) loses corresponding functions after being broken in actual use, the comb plate is of a fixed structure, the position of the comb plate is not movable, and when the position of the pipeline is not corresponding to the position of the comb plate, the pipeline and the comb plate are tightly tied together by strong action, so that the pipeline arrangement order is influenced.

Disclosure of Invention

The utility model aims to provide a plastic drag chain with reasonable structure, which can realize the replacement of pipeline positioning pieces and the movement along the width direction of a joint so as to adapt to the actual use requirement.

The technical scheme for realizing the aim of the utility model is as follows:

the utility model provides a plastic drag chain, which comprises chain links and joints connected with the chain links;

The connector comprises two side plates which are oppositely arranged and a connecting plate connected between the two side plates, the outer end of the connecting plate is detachably provided with a pipeline positioning piece, and the pipeline positioning piece can move along the width direction of the connector.

In a further technical scheme of the utility model, a buckling groove extending along the width direction of the joint is arranged on the connecting plate near the tail end edge, the pipeline positioning piece comprises a buckling part sleeved with the tail end edge of the connecting plate and matched with the buckling groove, and a positioning part connected with the buckling part, and the positioning part protrudes outwards of the joint.

In a further technical scheme of the utility model, the upper side surface and the lower side surface of the connecting plate are both provided with the buckling grooves, the buckling parts are 匚 -shaped structures, and the upper side wall and the lower side wall are provided with limiting protruding blocks which are correspondingly matched with the buckling grooves.

In a further technical scheme of the utility model, the connecting plate is provided with a fixing hole.

In a further technical scheme of the utility model, the fixing hole is a kidney-shaped hole.

In a further technical scheme of the utility model, the length of the buckling groove is equal to the width of the connecting plate.

The utility model has the positive effects that: (1) According to the plastic drag chain structure, through the optimal design, the pipeline locating piece for fixing the pipeline arranged in the drag chain is arranged at the tail end of the joint, and the pipeline locating piece is arranged to be detachable, so that the pipeline locating piece can be detached and replaced when damaged, and the pipeline locating piece 3 is arranged to be movable along the width direction of the joint so as to adapt to the fixation of pipelines arranged at different positions in the drag chain.

Drawings

These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a partial view of a plastic tow chain of the present utility model;

FIG. 2 is a schematic view of the joint and line locator of the present utility model shown in isolation;

FIG. 3 is a top view of the fitting of the present utility model mated with a line locator;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a pipeline positioner according to the present utility model.

The reference numerals shown in the figures are: 1-chain links; 2-linker; 21-side plates; 22-connecting plates; 23-a buckling groove; 24-fixing holes; 3-a pipeline positioner; 31-a buckling part; 32-positioning part; 33-limit bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.

The plastic drag chain structure in the embodiment is shown in fig. 1 to 5, and comprises a chain link 1 and a joint 2 connected with the chain link 1; the joint 2 comprises two opposite side plates 21 and a connecting plate 22 connected between the two side plates 21, the two side plates 21 are provided with a connecting structure connected with the chain link 1, in order to realize the binding fixation of pipelines, in this embodiment, the joint 2 is provided with a pipeline positioning member 3, the pipeline positioning member 3 is specifically arranged at the outer end of the connecting plate 22 and is provided with the pipeline positioning member 3 to be detachable, thus the joint can be detached and replaced when the pipeline positioning member 3 is damaged, and in order to adapt to the fixation of pipelines distributed at different positions in a drag chain, in this embodiment, the pipeline positioning member 3 is arranged to move along the width direction of the joint 2, and in this embodiment, the pipelines such as a wire, an air pipe, a water pipe and the like are arranged.

Referring to fig. 2, in this embodiment, a fastening groove 23 extending along the width direction of the joint 2 is provided on the connecting plate 22 near the end edge, the pipeline positioning member 3 includes a fastening portion 31 sleeved on the end edge of the connecting plate 22 and matched with the fastening groove 23, and a positioning portion 32 connected with the fastening portion 31, the positioning portion 32 protrudes in the outer direction of the joint 2, and is fastened on the end edge of the connecting plate 22 through the fastening portion 31 and matched with the fastening groove 23, so that the pipeline positioning member 3 is movably connected to the outer end of the connecting plate 22, and can move along the length direction of the fastening groove 23 (i.e. the width direction of the joint 2), and when fixing a pipeline, the pipeline and the positioning portion 32 are bound together by using a tie.

The length of the buckling groove 23 is equal to the width of the connecting plate 22, so that the pipeline positioning piece 3 has a larger movable range in the width direction of the joint 2, and the applicability is enhanced; in this embodiment, a positioning portion 32 is disposed on the pipeline positioning member 3, and in actual operation, two or three positioning portions 32 may be disposed on the pipeline positioning member 3 at intervals; for convenience of production, the line locator 3 in this embodiment is integrally injection molded.

Further, in order to prevent the pipeline positioning member 3 from falling off the connector, and increase the reliability of connection between the pipeline positioning member 3 and the connector 2, as shown in fig. 5, in this embodiment, the fastening grooves 23 are disposed on the upper and lower sides of the connecting plate 22, the fastening portion 31 has a 匚 -shaped structure, and the upper and lower inner side walls thereof are provided with a limit bump 33 correspondingly matched with the fastening grooves 23, and the upper and lower limit bumps 33 respectively correspondingly match with the two fastening grooves 23.

In this embodiment, the connecting plate 22 is provided with a fixing hole 24, and a screw is used to pass through the fixing hole 24 to fix the device; further, for convenience of screw fixation, the fixing hole 24 is a kidney-shaped hole.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims (6)

1. A plastic drag chain, comprising a chain link (1) and a joint (2) connected with the chain link (1);

The connector (2) comprises two opposite side plates (21) and a connecting plate (22) connected between the two side plates (21), and is characterized in that a pipeline positioning piece (3) is detachably arranged at the outer end of the connecting plate (22), and the pipeline positioning piece (3) can move along the width direction of the connector (2).

2. The plastic drag chain according to claim 1, wherein a fastening groove (23) extending along the width direction of the joint (2) is arranged on the connecting plate (22) near the end edge, the pipeline positioning piece (3) comprises a fastening part (31) sleeved with the end edge of the connecting plate (22) and matched with the fastening groove (23) and a positioning part (32) connected with the fastening part (31), and the positioning part (32) protrudes towards the outer direction of the joint (2).

3. The plastic drag chain according to claim 2, wherein the fastening grooves (23) are formed on the upper and lower sides of the connecting plate (22), the fastening portion (31) has a 匚 -shaped structure, and limit protrusions (33) corresponding to the fastening grooves (23) are formed on the upper and lower inner side walls.

4. Plastic drag chain according to claim 1, characterized in that the connecting plate (22) is provided with fixing holes (24).

5. The plastic tow chain according to claim 4, wherein the securing aperture (24) is a kidney-shaped aperture.

6. The plastic drag chain of claim 2, wherein the snap groove (23) is equal in length to the web (22) width.