CN210372529U

CN210372529U - Auxiliary anti-falling device for half joint

Info

Publication number: CN210372529U
Application number: CN201921188087.4U
Authority: CN
Inventors: 焦祥静
Original assignee: ANHUI TONGFA EQUIPMENT CO LTD
Current assignee: ANHUI TONGFA EQUIPMENT CO LTD
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-21
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a ha fu festival supplementary anticreep device, including ha fu ring half, two ha fu ring halves are connected into the ring socket by the connecting piece, are provided with on the intrados of ha fu ring half and wait to restore the anti-skidding complex dogtooth of body adaptation, ha fu ring half constitutes restriction axial separation's cooperation with ha fu festival. When the pipe joint is used, the sealing elements are embedded in straight grooves and arc grooves which are circumferentially arranged on the side edge of the half pipe body in the pipe length direction and the pipe end part, the two half pipes and the sealing ring are enclosed on a pipe to be repaired, the deformation of the sealing ring is realized in a reliable sealing state through the connection of the nut and the bolt, and therefore the sealing of the broken part of the pipe joint or the pipe body is ensured to eliminate leakage points.

Description

Auxiliary anti-falling device for half joint

Technical Field

The utility model relates to a half formula quick-operation joint that pipeline was used, especially plastic conduit's half formula quick-operation joint.

Background

The pipeline in the urban water supply and drainage system is damaged and leaked due to various reasons in the using process, so that the pipeline needs to be repaired in time. The half-pipe-shaped half-pipe 1 is adopted during emergency repair, a damaged part of a pipeline is contained in a pipe cavity of the half-pipe-shaped half-pipe, and a semi-circular joint surface on the half-pipe-shaped half-pipe is tightened by using a bolt (not shown in the figure) to enable a rubber sealing element 2 to seal the damaged part. The method is widely used because of less labor for emergency repair, short installation time, high speed, simplicity and easy use, and particularly, the method does not need to excavate earth in a large range and replace pipe fittings.

Polyethylene (PE) pipes are widely used for building water supply, building drainage, buried drainage pipes, building heating and gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes and the like due to their unique advantages. The plastic pipes such as PE pipes are mostly connected with each other in a welding mode, welding defects are inevitably formed at the welding seam joints, the detection cannot be carried out in time due to the lack of detection means or the difficulty of detection in a construction site, and the plastic pipes can be damaged or the original defects can be intensively exposed due to the change of underground geological environment or construction excavation of pipe fittings buried underground. When the half joint in the prior art is adopted for repair, due to the smooth characteristic of the pipe wall of the plastic pipe, the change of the supporting and restraining environment of the plastic pipe and the bearing pressure of the pipe body, the pipe A, B and the sealing element 2 on the half joint have the condition of mutual displacement in the pipe length direction, the length of a coating section between the half joint and the pipe body to be repaired is limited, the relative separated displacement of the two parts occurs occasionally, and the repair failure is caused when the two parts are completely separated. That is, the hough section in the prior art can satisfy the requirement of realizing repair in a short time or on the surface, but cannot ensure reliable service life.

In addition, a common cast iron pipe and the like are also common pipe fittings, and because the sealing ring on the half joint is only contacted with the pipe body to be repaired and the half joint is not contacted with the pipe body to be repaired, the pipe body to be repaired and the half joint can be separated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hafu joint guarantees hafu joint and treats the reliability of repairing the body and being connected and break away from in order to avoid both to take place the displacement of tube length direction.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a half a husband's festival supplementary anticreep device, includes half a husband's ring half, and two half a husband's ring halves are connected into the ring socket by the connecting piece, are provided with the protruding tooth of anti-skidding complex with waiting to restore body adaptation on the intrados of half a husband's ring half, half a husband's ring half and half a husband's festival constitute the cooperation of restriction axial separation.

When the pipe joint is used, the sealing element is embedded in straight grooves and arc grooves which are circumferentially arranged on the side edge of the half pipe body in the pipe length direction and the pipe end part, the two half bodies and the sealing ring are enclosed on a pipe to be repaired, the deformation of the sealing ring is in a reliable sealing state through nut and bolt connection, so that the pipe joint or the broken part of the pipe body is ensured to be enclosed to eliminate leakage points, in addition, two accessories are auxiliarily connected to the two ends of the half joint, namely the two half pipe ring bodies are enclosed to form a half ring socket, the half ring sockets at the two ends are fixedly connected with the pipe body to be repaired to eliminate relative displacement, and then the half ring sockets at the two ends are connected or respectively connected with the half joint, so that constraint matching is formed to ensure that the pipe body to be repaired can not axially displace and be separated from the half joint.

Drawings

FIG. 1 is a schematic structural view of the prior art, and FIG. 2 is a cross-sectional view taken along line K-K in FIG. 1;

fig. 3, 4 and 5 are schematic perspective views of three embodiments of half-half huff rings according to the present invention;

fig. 6, 7, 8, and 9 are schematic structural diagrams of four tooth profiles according to the present invention.

Detailed Description

The utility model provides a ha fujie assists anticreep device which characterized in that: the pipe comprises half rings 10, wherein the two half rings 10 are connected into a ring socket by a connecting piece, convex teeth 11 which are matched with a pipe body to be repaired in an anti-slip mode are arranged on the inner arc surfaces of the half rings 10, and the half rings 10 and the half sockets 20 form the matching of limiting axial separation. The pipe end face of the half-half-half 10 is provided with an arc-shaped plate 13 extending towards the side where the half-half 20 close to the side is located, the arc-shaped plate 13 and the half-half. As shown in fig. 3.

The half 10 has an external convex edge or bump 12 at its side end, and the convex edge or bump 12 is provided with a connecting hole or notch 121.

The core of the present invention is to provide an attachment, i.e. the original half-rings are continuously used to ensure the leak points are blocked, and the additional arrangement of the half-rings 10 ensures the prevention of the axial displacement.

The utility model discloses there are following two kinds of preferred ha fu ring's arrangement scheme, concrete scheme is as follows:

one is as follows: the half-half-half-half 10 and the outer shell of the half-half joint 20 are connected by a bolt 30, and the bolt 30 is consistent with the tube core direction of the half-.

The end part of the outer wall of the half-half ring 20 is provided with a U-shaped seat 21, the opening of the U-shaped seat is directed to the radial direction far away from the outer wall, a connecting hole or a U notch 121 is arranged on the half-half-half ring 10, and the connecting hole or the U notch 121 is consistent with the inertial direction of the U-shaped seat 21 and is parallel to the direction of the tube core.

The scheme needs to be designed by locally changing the original half joint so as to meet the connection requirement of the bolt 30. This can be supplied to the market as a new product. The expansion scheme of the scheme is that the U-shaped seat 21 can be arranged into an external flange shape along the end part of the half joint, and the axial limiting connection of the half joint and the half ring can also be realized.

The second is that: the outer wall of the half.

As shown in fig. 7, in this scheme, it is also unnecessary to change the design of the existing half joint, but the half rings at the two ends are fixed, and the axial directions of the half rings and the pipe body to be repaired are fixed, so the pipe body cannot be displaced relative to the half joint in the middle naturally.

In order to ensure the reliable axial fixation of the half ring and the pipe body to be repaired, the convex teeth 11 on the half ring have the following preferred schemes:

one is as follows: the convex teeth 11 are wedge-shaped teeth 11a with crest lines arranged crosswise to the tube core direction or integrally arranged in a vertical crossing mode, and the wedge-shaped teeth 11a are uniformly arranged in the range of the arc-shaped inner wall.

As shown in fig. 6, the shape of the wedge-shaped teeth 11a is selected mainly in consideration of ensuring that the wedge-shaped teeth can be embedded and engraved on the outer pipe wall of the pipe body to be repaired, and the scheme is not only suitable for the occasions of plastic pipes, but also can meet the requirements when the pressure of a medium conveyed in the pipe is high.

The second step is as follows: the convex teeth 11 are corrugated teeth 11b whose crest lines are arranged in parallel to the tube core direction.

The scheme is mainly suitable for repairing pipe fittings with relatively rough outer walls, such as cast iron pipes or cement pipes.

And thirdly: the convex teeth 11 are angular teeth 11c which are circumferentially continuously or discontinuously arranged.

The scheme is suitable for various pipe fittings such as plastic pipes, galvanized pipes and the like.

Fourthly, the method comprises the following steps: the convex teeth 11 are rough surfaces 11d formed by crisscrossed reticulations or scores.

Above-mentioned 11 tooth-shaped selections of dogtooth provide the guarantee for the fixed when the smooth characteristic of body material of multiform and outer wall to select reasonable simple structure to realize reliable spacing fixedly in the axial.

Claims

1. The utility model provides a ha fujie assists anticreep device which characterized in that: the pipe body repairing device comprises half bodies (10), wherein the two half bodies (10) are connected into a ring socket joint through a connecting piece, convex teeth (11) matched with a pipe body to be repaired in an anti-slip mode are arranged on the inner arc surfaces of the half ring half bodies (10), and the half ring half bodies (10) and the.

2. The huff section auxiliary anti-drop device of claim 1, wherein: the half.

3. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the half shell is connected with the shell of the half (20) through bolts (30).

4. The huff section auxiliary anti-drop device of claim 3, wherein: the half-half-half.

5. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the outer wall of the half.

6. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the convex teeth (11) are wedge-shaped teeth (11a) with tooth tops arranged in a crossed manner with the tube core direction or integrally arranged in a vertical crossed manner, and the wedge-shaped teeth (11a) are uniformly arranged in the range of the arc-shaped inner wall.

7. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the convex teeth (11) are corrugated teeth (11b) with the crest lines arranged in parallel with the tube core direction.

8. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the convex teeth (11) are angular teeth (11c) which are circumferentially continuously or discontinuously arranged.

9. The huff section auxiliary anti-drop device according to claim 1 or 2, characterized in that: the convex teeth (11) are rough surfaces (11d) formed by crisscrossed reticulate patterns or scores.