CN210851292U

CN210851292U - Electrician's return bend unscrambler

Info

Publication number: CN210851292U
Application number: CN201921944692.XU
Authority: CN
Inventors: 范一鸣; 尹学英; 杨闪闪; 李玉虎
Original assignee: Bozhou Vocational and Technical College
Current assignee: Bozhou Vocational and Technical College
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-26
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to an electrician's return bend unscrambler, its characterized in that: including sleeve pipe (1) and spring (3) that the cooperation was used, the external diameter of spring (3) is less than the pipe diameter of sleeve pipe (1), when bending pipeline (6), and spring (3) set up in pipeline (6), and sleeve pipe (1) cup joints on pipeline (6), is equipped with depression bar (2) in one side of sleeve pipe (1). The utility model has the advantages that: this device uses through sleeve pipe and spring cooperation, corrects the pipeline, and it is applicable to the pipeline correction of various sizes, and the commonality is good, convenient operation, and intensity of labour is little during the operation.

Description

Electrician's return bend unscrambler

Technical Field

The utility model relates to an electrician's instrument technical field specifically is an electrician's return bend unscrambler.

Background

The existing decoration electric wire is laid in a wall through a pipeline, the pipeline is generally made of a PVC pipe or a galvanized steel pipe, the position of the pipeline embedded in the pipeline after concrete pouring is not accurate enough in the construction process, and the PVC pipe or the galvanized steel pipe is bent by a certain angle according to requirements so as to meet the requirements of construction environments. In the prior art, when a pipeline is bent, a hand plate pipe bender is generally adopted to bend the pipeline 6, and the mode has the following defects: the labor intensity is high, the space is narrow, the operation is not flexible and convenient enough, inconvenience is brought to work sometimes, and the working time is long.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electrician's return bend unscrambler.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrician's elbow straightener which characterized in that: including sleeve pipe and the spring that the cooperation was used, the external diameter of spring is less than sheathed tube pipe diameter, when bending the pipeline, and the spring setting is in the pipeline, and the sleeve pipe cup joints on the pipeline, is equipped with the depression bar in sheathed tube one side.

Preferably, one end of the spring is connected with a fixing ring, and a fixing rope is connected to the fixing ring.

Preferably, the outer diameter of the spring is 0.7-1mm smaller than the inner diameter of the pipe.

Preferably, the pipe is bent by less than 90 degrees, the bending radius R of the pipe is more than 50mm when the pipe diameter of the pipe is 20mm, and the bending radius R of the pipe is more than 62.5mm when the pipe diameter of the pipe is 25 mm.

The utility model has the advantages that: this device uses through sleeve pipe and spring cooperation, corrects the pipeline, and it is applicable to the pipeline correction of various sizes, and the commonality is good, convenient operation, and intensity of labour is little during the operation.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1, the utility model relates to an electrician's elbow pipe unscrambler, including sleeve pipe 1 and the spring 3 that cooperate and use, when bending to pipeline 6, spring 3 sets up in pipeline 6, and sleeve pipe 1 cup joints on pipeline 6, and the 3 external diameters of spring are less than pipeline 6 internal diameter 0.7-1mm, and this scheme is preferred 0.8 mm. The bending of the pipeline 6 is less than 90 degrees, when the pipe diameter of the pipeline 6 is 20mm, the bending radius R of the pipeline 6 is more than 50mm, and when the pipe diameter of the pipeline 6 is 25mm, the bending radius R of the pipeline 6 is more than 62.5 mm.

The pressure rod 2 is arranged on one side of the sleeve 1, the length of the pressure rod 2 is 10 times of that of the sleeve 1, when the pipeline 6 is long, the fixing ring 4 is connected to one end of the spring 3, the fixing rope 5 is connected to the fixing ring 4, and when the pipeline 6 is bent, the fixing rope 5 is fastened so that the spring 3 can be pulled out.

The device adopts the following modes when in use:

1. cold bending:

when bending a pipe 6 having an outer diameter of 25mm or less, the bending is performed by inserting the spring 3 into the pipe 6 at a desired length and angle, wherein the bending and the spring should be noted:

A. the springs used must not be twisted too much and not allowed to deform, and an unqualified spring may distort and damage the pipe 6 and cause the spring 3 to get stuck inside the pipe, and when bending a long pipe, one end of the spring should be tied with a rope to pull it out.

B. Because the pipe 6 has resilience, the spring 3 is slowly bent after being inserted into the pipe, the hand bending angle is slightly smaller than the required angle, in cold weather, the pipe is held in the hand by cloth, the bent part is repeatedly rubbed to heat the pipe, and then the pipe 6 and the spring 3 are bent, if the bending speed is too fast, the pipe and the spring are easily damaged.

C. If the pipe is mounted in a surface mounting mode, the bent pipeline 6 is fixed well by a pipe clamp. After the pipe 6 is bent, when the spring 3 is pulled out, the spring 3 cannot be pulled out forcibly, and the spring 3 should be rotated counterclockwise and slowly pulled out so as not to be jammed or damaged. If the bending angle of the pipe 6 is not satisfactory, the pipe 6 cannot be forcibly pulled to be restored, so that the spring 3 and the pipe 6 are not damaged.

2. Bending by heating

In the pipe 6 having a bending radius of more than 25mm, the spring 3 is inserted into the pipe 6, and the pipe 6 is bent by spraying hot water, hot air, or the like. When the pipe 6 is completely cooled, the spring 3 is slowly rotated counterclockwise and slowly withdrawn. The pipe 6 is bent at less than 90 degrees, care is taken to prevent wrinkling of the pipe wall when the pipe 6 is bent, and the pipe 6 is stretched as much as possible when bent and cooled with a wet cloth.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electrician's elbow straightener which characterized in that: including sleeve pipe (1) and spring (3) that the cooperation was used, the external diameter of spring (3) is less than the pipe diameter of sleeve pipe (1), when bending pipeline (6), and spring (3) set up in pipeline (6), and sleeve pipe (1) cup joints on pipeline (6), is equipped with depression bar (2) in one side of sleeve pipe (1).

2. An electrical bend straightener as claimed in claim 1, wherein: one end of the spring (3) is connected with a fixing ring (4), and a fixing rope (5) is connected to the fixing ring (4).

3. An electrical bend straightener as claimed in claim 1, wherein: the outer diameter of the spring (3) is 0.7-1mm smaller than the inner diameter of the pipeline (6).

4. An electrical bend straightener as claimed in claim 1, wherein: the bending of the pipeline (6) is less than 90 degrees, when the pipe diameter of the pipeline (6) is 20mm, the bending radius R of the pipeline (6) is more than 50mm, and when the pipe diameter of the pipeline (6) is 25mm, the bending radius R of the pipeline (6) is more than 62.5 mm.