CN215600947U

CN215600947U - Shock attenuation bellows

Info

Publication number: CN215600947U
Application number: CN202121310543.5U
Authority: CN
Inventors: 岳小芳; 李现有; 常玉平; 郭彬彬; 廖家福; 岳瑞琳; 田科科; 刘超
Original assignee: Jiaozuo Wanrui Industry And Trade Co ltd
Current assignee: Jiaozuo Wanrui Industry And Trade Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-21
Anticipated expiration: 2031-06-11

Abstract

The utility model provides a damping corrugated pipe and relates to the technical field of corrugated pipes. The device includes the trunk line, and the trunk line includes that buffer tube, cover locate the flexible pipe in the flexible pipe outside of the hard pipe outside of the buffer tube, cover, and the flexible pipe in the flexible pipe outside of hard pipe outside is located to the hard, and the both ends of body all are provided with the universal joint, and the universal joint rather than adjacent body is connected respectively at the both ends of telescopic shaft to can relative movement between the messenger adjacent body. The device has good buffering and protecting effects and strong sealing performance.

Description

Shock attenuation bellows

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a damping corrugated pipe.

Background

The corrugated pipe is a cylindrical thin-wall corrugated shell with a plurality of transverse corrugations, and the corrugated pipe has elasticity and can generate displacement under the action of pressure, axial force, transverse force or bending moment. According to the characteristics of the corrugated pipe, the electric wire can be embedded into the corrugated pipe and is used for protecting the electric wire, so that the electric wire is not easy to damage or break in a use state of being bent for many times.

However, the conventional bellows has problems of poor cushioning effect and loose connection.

Disclosure of Invention

The utility model aims to provide a damping corrugated pipe to solve the technical problems of poor protection effect and unobvious damping in the prior art. The technical effects (simple structure, low cost and convenient use) generated by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

The utility model provides a shock-absorbing corrugated pipe which comprises a main pipe line, wherein the main pipe line comprises a buffer pipe, a hard telescopic pipe sleeved outside the buffer pipe and a flexible telescopic pipe sleeved outside the hard telescopic pipe, the hard telescopic pipe comprises a telescopic shaft and a plurality of pipe bodies, universal joints are arranged at two ends of each pipe body, and two ends of each telescopic shaft are respectively connected with the universal joints of the adjacent pipe bodies so as to enable the adjacent pipe bodies to move relatively.

Preferably, the buffer tubes are provided as a tubular structure surrounded by a knitted mesh.

Preferably, the flexible bellows is provided as a nylon bellows.

Preferably, still include coupling assembling, coupling assembling is including the (holding) chuck female member and the public piece of (holding) chuck that are fixed in the trunk line both ends respectively, the (holding) chuck female member is including being pipy first main part, the one end terminal surface of first main part is equipped with the annular groove that matches the trunk line terminal surface and sets up to the indent, the other end terminal surface of first main part has the connection rampart towards the outside protrusion, the public piece of (holding) chuck is including being pipy second main part, the one end terminal surface of second main part is equipped with the annular groove that matches the trunk line terminal surface and set up to the indent, the annular cavity that matches the connection rampart and set up is established to the indent of the other end terminal surface of second main part, first main part inserts the internal back of second main part and passes through the bolt fastening, so that two adjacent trunk lines are connected, the (holding) chuck female member and the public piece of (holding) are all with trunk line bolted connection.

The utility model provides a shock-absorbing corrugated pipe which is different from the prior art in that a main pipeline comprises a buffer pipe, a hard telescopic pipe sleeved outside the buffer pipe and a flexible telescopic pipe sleeved outside the hard telescopic pipe, wherein the hard telescopic pipe comprises a telescopic shaft and a plurality of pipe bodies, universal joints are arranged at two ends of each pipe body, and two ends of each telescopic shaft are respectively connected with the universal joints of the adjacent pipe bodies so as to enable the adjacent pipe bodies to move relatively. The hard telescopic pipe is matched with the buffer pipe to inhibit vibration, and meanwhile, the hard telescopic pipe can play a compression-resistant role to protect circuits in the pipeline.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a shock absorbing bellows;

FIG. 2 is an overall structure view of a hard telescopic tube;

FIG. 3 is a schematic view of the structure of the two ends of the chuck master;

FIG. 4 is a schematic view of the structure of the two ends of the male part of the chuck;

FIG. 5 is a diagram showing the relationship between the telescopic shaft and the universal joint.

In the figure: 1. a buffer tube; 2. a hard telescopic pipe; 21. a telescopic shaft; 22. a pipe body; 23. a universal joint; 3. a flexible extension tube; 4. a chuck master; 5. and (4) a chuck male piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Example one

The embodiment provides a shock-absorbing corrugated pipe, which is used for protecting circuits, the shock-absorbing corrugated pipe comprises a main pipe, the main pipe comprises a buffer pipe 1, a hard telescopic pipe 2 sleeved outside the buffer pipe 1, and a flexible telescopic pipe 3 sleeved outside the hard telescopic pipe 2, the buffer pipe 1 is a tubular structure formed by enclosing a knitting net, the flexible telescopic pipe 3 is a nylon corrugated pipe, the hard telescopic pipe 2 comprises a telescopic shaft 21 and a plurality of pipe bodies 22, at least one universal joint 23 is arranged at each of two ends of each pipe body 22, two universal joints 23 are arranged at any end of each pipe body 22, the two universal joints 23 are symmetrically arranged at two sides of the same end of each pipe body 22 by taking the axis of each pipe body 22 as a symmetric axis,

the universal joint 23 of a body 22 and the universal joint 23 of another adjacent body 22 are connected in the cooperation respectively to the both ends of telescopic shaft 21, so that end to end connection between the body 22, telescopic shaft 21 can be in universal joint 23 internalization, with the relative angle of adjustment telescopic shaft 21 and body 22, and the telescopic shaft 21 is received in the tensile receipts of accessible is with the length of adjustment stereoplasm extension pipe 2, the pipeline receives external pressure to vibrate can accomplish the suppression of vibration through the multisection telescopic shaft 21 and rather than swinging between the body 22 connected, body 22 is the tubular metal resonator simultaneously, pressurized non-deformable, in order to protect the interior circuit of trunk line.

The shock attenuation bellows still includes coupling assembling, coupling assembling is including the (holding) chuck female member 4 and the public piece 5 of (holding) chuck that are fixed in the trunk line both ends respectively, the (holding) chuck female member 4 is including being pipy first main part, the one end terminal surface of first main part is equipped with the annular groove that matches the trunk line terminal surface and sets up to the indent, the other end terminal surface of first main part has the connecting ring wall to the outside protrusion, set up the screw of intercommunication annular groove on the lateral wall of trunk line, the (holding) chuck female member 4 overlaps on the trunk line, the trunk line passes the screw through the bolt after inserting in the annular groove of (holding) chuck female member 4, be fixed in the trunk line on the (holding) chuck female member 4. The public piece 5 of (holding) chuck is including being pipy second main part, the one end terminal surface of second main part is equipped with the annular groove that matches the trunk line terminal surface and sets up to the indent, the annular cavity that matches the connection rampart and set up is established to the other end terminal surface indent of second main part, set up the bolt hole of seting up along its radial direction on the annular cavity, the public piece 5 of (holding) chuck overlaps on the trunk line, the trunk line passes the screw through the bolt after inserting the annular groove of the public piece 5 of (holding) chuck, the connection rampart of (holding) chuck female part 4 passes through the bolt fastening after inserting the annular cavity of the public piece 5 of (holding) chuck, so that two adjacent trunk lines are connected.

The telescopic shaft 21 comprises an inner shaft and a pipe sleeve sleeved on the outer side of the inner shaft, the pipe sleeve can move along the length direction of the inner shaft to adjust the length of the telescopic shaft 21, a limiting groove is concavely arranged on the inner shaft, a limiting block matched with the limiting groove is protruded on the inner wall of the pipe sleeve, the pipe sleeve is sleeved on the inner shaft, and the limiting block and the limiting groove are matched to limit the telescopic length of the telescopic shaft 21.

Universal joint 23 includes the bulb, joint and casing, the bulb is the sphere form, the joint sets up in the casing, the casing is fixed in on the terminal surface of the flexible pipe 2 of stereoplasm, set up the external spherical cavity of intercommunication in the joint, the spherical cavity shape and the bulb shape phase-match of joint, the bulb is fixed with telescopic shaft 21, outside the bulb was located to the joint cover, the opening size of joint is less than the footpath face size of bulb, in order to prevent that the bulb from droing in the joint, the opening size of joint is greater than telescopic shaft 21's size, so that telescopic shaft 21 can be in the swing of joint department with angle of adjustment.

The present invention is not limited to the above embodiments, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a shock attenuation bellows, its characterized in that, includes the trunk line, and the trunk line includes that buffer tube, cover locate the flexible pipe in the flexible pipe outside of the hard pipe outside of buffer tube outside, the flexible pipe outside of the hard pipe is located to the cover, and the flexible pipe that the hard is flexible including telescopic shaft and a plurality of body, the both ends of body all are provided with the universal joint, and the universal joint rather than adjacent body is connected respectively at the both ends of telescopic shaft to make between the adjacent body can relative movement.

2. A shock absorbing bellows as claimed in claim 1 wherein the buffer tube is provided as a tubular structure bounded by a knitted mesh.

3. A shock absorbing bellows as claimed in claim 2 wherein the flexible bellows is provided as a nylon bellows.

4. A shock-absorbing corrugated pipe according to claim 3, further comprising a connecting assembly, wherein the connecting assembly comprises a female chuck member and a male chuck member fixed to two ends of the main pipe, the female chuck member comprises a tubular first main body, an annular groove is formed in one end surface of the first main body and is recessed inwards, the annular groove is matched with the end surface of the main pipe, a connecting annular wall protrudes outwards from the other end surface of the first main body, the male chuck member comprises a tubular second main body, an annular groove is formed in one end surface of the second main body and is recessed inwards, the annular groove is matched with the end surface of the main pipe, an annular concave cavity is formed in the other end surface of the second main body and is recessed inwards, the first main body is inserted into the second main body and then is fixed by bolts, so that two adjacent main pipes are connected, and the female chuck member and the male chuck member are both connected with the bolts.