CN217762642U - Pipeline repairing device - Google Patents

Abstract

The utility model provides a pipeline repairing device, locate including last casing, lower casing and branch go up the casing with shells inner wall's sealing member down, it is equipped with the connecting piece for whole casing with both docks to go up casing and lower casing both sides, the connecting piece includes a plurality of square taper hole, the nut and with square taper hole complex square neck bolt. The utility model discloses a square neck bolt cooperation square taper hole is connected and is gone up casing and casing down, has overcome the hexagonal hole that prior art used and has been difficult to make, sand washing easily, succulent, can warp the shortcoming of skidding, the characteristics of difficult skidding inefficacy when can realizing bolted connection through simple square taper hole.

Description

Pipeline repairing device

Technical Field

The utility model relates to a pipeline repair equipment technical field, more specifically relates to a pipeline repairing device.

Background

The pipeline as the urban blood vessel occupies a very important position in the rapid development of urban construction, and various pipelines are increasingly applied to the infrastructures such as water supply, drainage, heat supply and the like. Due to aging, environment, human factors and other factors, the pipeline may leak or be damaged, and at this time, the pipeline needs to be repaired. The pipeline repairing device can be quickly clamped at a damaged pipeline part under the condition of not stopping water, so that quick leakage stoppage is realized, and the pipeline repairing device is convenient and quick. The pipeline repairing device commonly used in the market is a half-type pipeline repairing joint which generally comprises a body consisting of two semi-cylindrical shells, two rubber sealing gaskets and a plurality of fasteners. During the use, only need to install rubber seal inside the body, with two casing to closing the hoop at pipeline seepage or damaged department again to it can to utilize the fastener to fix.

The connecting piece of present pipeline patching device uses the mode that hexagon bolt and hexagonal hole cooperation are connected usually, the manufacturing degree of difficulty of hexagonal hole when small-size preparation is great, and produces manufacturing defects such as sand washing, psammitolite subsides, fleshiness in small-size hexagonal hole position easily when manufacturing production, causes the hexagonal hole to warp to make the anti-rotation of hexagon bolt head become invalid, skid easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcomes the hexagonal hole and the hex bolts of current pipeline repair device prevent changeing the not enough of function easy inefficacy, provide a pipeline repair device, can solve the problem that the small-size hole in the casing casting process warp. The utility model discloses can conveniently surround the fastening to seepage or damaged pipeline, realize quick leaking stoppage, optimize preventing of bolt and changeing the function, improve the manufacturing quality of pipeline repair ware.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a pipeline repairing device, including last casing, casing and branch are located down go up the casing with shells inner wall's sealing member down, it is equipped with the connecting piece for whole casing with both docks to go up casing and casing both sides down, the connecting piece includes a plurality of square taper hole, the nut and with square taper hole complex square neck bolt.

The working principle of the utility model is as follows: the upper shell and the lower shell are of semicircular cylindrical structures, and the upper shell and the lower shell are combined to form a complete circular cylinder body which can cover the damaged part of the pipeline. When the damaged pipeline needs to be salvageed, the sealing piece is firstly installed in the installation groove in the inner wall of the upper shell and the lower shell, then the upper shell and the lower shell are buckled at the damaged position of the pipeline, and the sealing piece seals a gap between the two shells and a gap between the shell and the outer wall of the pipeline. After the two shells are closed, the two shells are connected and fixed through the connecting pieces at the two axial sides of the shells. The number of the nuts and the square neck bolts is determined according to the length of the utility model, and the number of the nuts and the square neck bolts is 4-10; each square neck bolt corresponds to 2 square taper holes, so the number of the square taper holes is 8-20, and each 2 square neck bolts is 1 group, namely 4-10 groups. The hexagon bolt who mentions with the publication is different, the utility model discloses a square taper hole the degree of difficulty is lower when the small dimension preparation, and is difficult to produce casting defects such as sand washing, psammitolite subsides, succulent during production, is difficult for causing square taper hole warp to make with it complex square neck bolt difficult slipping failure when connecting. Meanwhile, the design of the square taper hole reduces the resistance of the shell in demolding, and can ensure that a workpiece is not deformed in demolding, so that the production quality of the workpiece is ensured.

Furthermore, the square-neck bolt comprises a hemispherical nut, a square neck connected with the nut plane, and a screw connected with one side of the square neck far away from the nut. When one end of the square cone Kong Xiaotou penetrates through the Fang Zhuikong, the square neck can be embedded in the square cone hole, and the plane of the nut is abutted with the square cone hole to play a limiting role. When the square neck bolt passes through the square taper hole, the square neck is clamped in the square taper hole to form an anti-rotation structure, and the square neck bolt does not need to be additionally fixed when the nut is screwed in a rotating mode. Connect during the upper and lower casing, will the square neck bolt passes the square taper hole of upper and lower casing axial both sides in proper order, the nut of square neck bolt is in square taper hole one side, the screw rod extends to square taper hole opposite side and screws up the cooperation with the nut, plays the effect of fixing upper and lower casing.

Furthermore, the upper shell and the inner wall of the lower shell are provided with sealing grooves for mounting the sealing elements. The sealing groove is used for fixing the sealing element, and the sealing element is prevented from moving outwards or even falling off due to extrusion of internal pressure to a certain extent.

Further, the seal includes a radial seal and an axial seal, the seal groove including a radial seal groove and an axial seal groove. The radial sealing element is arranged on the radial surface of the shell and is semicircular in shape; the axial sealing pieces are arranged on two axial sides of the shell and are in a strip shape; the sealing groove is arranged on the inner walls of the upper shell and the lower shell and matched with the sealing piece in shape. When the pipeline is connected, the axial sealing piece positioned on the upper shell is in interference fit with the axial sealing piece positioned on the lower shell, the two ends of the radial sealing piece positioned on the upper shell are in interference fit with the two ends of the radial sealing piece positioned on the lower shell, and the arc-shaped surface of the radial sealing piece is in interference fit with the pipeline.

Further, the radial sealing elements are of a double-body arc-shaped structure, and the contact surfaces of the radial sealing elements and the pipeline are sawtooth-shaped contact surfaces. Most radial seal spare on the market all is monomer structure, and the condition that the radial seal spare of sealing member was extruded the casing seal groove takes place easily when the ware tightening force of repairing is too big, influences sealed effect. The utility model discloses use binary radial seal spare, establish one radial seal spare more on the basis of common single sealing member structure promptly, can effectively strengthen the frictional force and the steadiness of sealing member like this, reduce because of the too big probability that causes the sealing member to be extruded the mounting groove of pressure, make the utility model discloses possess better leakproofness and practicality. Meanwhile, the contact surface of the radial sealing element and the pipeline is a sawtooth-shaped contact surface. The contact surface of a common sealing element and a pipeline on the market is mostly a smooth cambered surface or a smooth plane, so that the repairing device is easy to slide on the pipeline, and the pipeline water leakage is caused in serious cases. And the utility model discloses the sealing member and the pipeline contact surface that use are the cockscomb structure, have increased its coefficient of surface friction, and rubber spare cockscomb structure pastes flat pipeline when repairing the ware and tighten up on, can not influence the leakproofness of repairing the ware, can effectually prevent to repair the slip of ware on damaged pipeline simultaneously.

Further, the radial sealing element positioned in the upper shell and the radial sealing element positioned in the lower shell are provided with arc-shaped guide structures at the contact positions when the upper shell and the lower shell are assembled. When the pipeline is connected, two ends of the radial sealing element arranged on the upper shell and the lower shell are tightly attached to each other. The utility model discloses be equipped with arc guide structure on the contact surface at radial seal spare both ends, arc guide structure is close to axle center one side and is good at and keeps away from axle center one side, consequently when receiving the extrusion, arc guide structure reduces the internal pressure who keeps away from the axle center with the partial pressure guide pipeline center of radial seal spare, can effectively optimize the problem that the sealing member drops.

Furthermore, a sealing skirt is arranged on one side, close to the axis, of the contact surface of the axial sealing element and the shell. When the repairing device is tightened through the bolt, the axial sealing element is easily separated from the shell due to pressure, and water leakage is caused. The utility model discloses be equipped with sealed shirt rim in the inboard of axial sealing member and casing contact surface, can increase the area of contact of axial sealing member inboard and casing. When the repairing device is stressed and tightened, the sealing effect of the axial sealing element can be improved by means of the elasticity of the rubber sealing skirt edge, and the skirt edge can also play a role in clamping and fixing, so that the stability of the axial sealing element is better.

Further, the radial sealing element and the axial sealing element are of an integrated structure, and the radial sealing groove is communicated with the axial sealing groove. The integral type structure can strengthen the sealed effect of sealing member, avoids causing because of connecting improperly and produces the gap between radial seal spare and the axial seal spare, causes two kinds of sealing members to break off for the sealed effect of pipeline repair ware is not good.

Furthermore, a conical convex column is arranged at the joint of the radial sealing element and the axial sealing element, a conical hole is formed in the position, corresponding to the conical convex column, of the shell, and the conical convex column penetrates through the conical hole. In the prior art, a protection arm is usually arranged outside an axial sealing groove, the cost of a shell can be increased due to the arrangement, and meanwhile, the thinner protection arm is easy to break in production, transportation or use and loses the fixing and protecting effects on a sealing element. The utility model discloses a toper projection can prevent to be extruded the seal groove because of radial or the axial sealing member that internal pressure too big caused, avoids the sealing member to break away from to warp and causes the leakage, is showing and has promoted the compressive capacity and the reliability of sealing member.

Further, the conical convex column and the sealing element are of an integrated structure. Similarly, in order to eliminate the gap between the sealing element and the conical convex column and avoid the conical convex column from breaking and separating from the sealing element under the condition of high pressure, the sealing element and the conical convex column are designed into an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the square neck bolt to match with the square taper hole, overcomes the defects that the hexagonal hole used in the prior art is difficult to manufacture, is easy to wash sand, is fleshy and can deform and slip, and can realize easy demoulding of the shell and difficult slipping and failure during bolt connection through the simple square taper hole;

2. the utility model discloses a reinforced structure such as toper projection, arc guide structure, cockscomb structure contact surface and sealed shirt rim makes the sealing member difficult for being extruded the mounting groove and influence sealed effect under great pressure, avoids the sealing member to break away from and causes the leakage, is showing and has promoted the compressive capacity and the reliability of sealing member.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the internal structure of the upper housing of the present invention;

FIG. 5 is a schematic structural diagram of the sealing member of the present invention;

fig. 6 is a schematic structural view of the square neck bolt of the present invention.

The graphic symbols are as follows: 1-an upper shell; 2-a lower shell; 3-a seal; 31-a radial seal; 32-axial seals; 4-sealing groove; 41-radial seal groove; 42-axial seal groove; 5-square taper hole; 6-square neck bolt; 61-screw cap; 62-square neck; 63-screw rod; 7-a screw cap; 8-serrated contact surfaces; 9-arc guide structure; 10-skirt edge; 11-tapered convex column; 12-a tapered hole; 13-pipeline.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "front", "back", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplified description, but it is not intended or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to specific situations.

The first embodiment is as follows:

as shown in fig. 1, the present embodiment provides a pipeline repairing device, including upper housing 1, lower housing 2 and divide and locate upper housing 1 with sealing member 3 of 2 inner walls of lower housing, upper housing 1 and 2 both sides of lower housing are equipped with and dock both into the connecting piece of whole casing, the connecting piece includes a plurality of square taper hole 5, nut 7 and with square neck bolt 6 of square taper hole 5 complex. The number of the square neck bolts 6 is 6, and correspondingly, the number of the nuts 7 is 6; correspondingly, the number of the square taper holes 5 is 6 groups, namely 12, and the square taper holes are respectively arranged on two axial sides of the upper shell and the lower shell, and each side is 3.

When the embodiment is used for rush repair of a damaged pipeline, the upper shell 1 and the lower shell 2 are firstly clamped at the damaged position of the pipeline 13, and at the moment, the shell can form a sealed cavity by the sealing element 3 arranged in the shell. After the two shells are closed, the two shells are fixed through the connecting pieces arranged on the two sides of the shells, in the specific embodiment, the square-neck bolt 6 sequentially penetrates through the square taper holes 5 arranged on the two sides of the lower shell 2 and the upper shell 1 from bottom to top, the neck of the square-neck bolt 6 is clamped in the square taper hole 5 arranged on the lower shell 2, and the other end of the bolt penetrates out of the other square taper hole 5 and is matched and fixed with the nut 7. When the neck portion is clamped in the square taper hole 5, an anti-rotation structure is formed, and the square neck bolt 6 does not need to be additionally fixed when the nut 7 is screwed in a rotating mode. The square taper hole 5 is stable in structure and not easy to deform and slip, so that the connecting piece can be installed and fixed by only one person by using one wrench, and convenience and rapidness are realized. The upper casing 1 and the lower casing 2 are fixed by the connecting piece through screwing the nut 7.

Example two:

as shown in fig. 1 or fig. 5, the present embodiment provides a pipeline repairing device, which includes an upper casing 1, a lower casing 2, and a sealing member 3 separately disposed on the inner wall of the upper casing 1 and the lower casing 2, wherein two sides of the upper casing 1 and the lower casing 2 are provided with a connecting member for connecting the upper casing and the lower casing to form a whole casing, and the connecting member includes a plurality of square taper holes 5, a nut 7, and a square neck bolt 6 engaged with the square taper holes 5. And a sealing groove 4 for installing the sealing element 3 is arranged on the inner walls of the upper shell 1 and the lower shell 2. The sealing element 3 is made of rubber and comprises a radial sealing element 31 and an axial sealing element 32, the radial sealing element 31 is arranged on the radial surface of the shell and is semicircular in shape, and the axial sealing element 32 is arranged on two axial sides of the shell and is long-strip-shaped. The radial seal member 31 and the axial seal member 32 are respectively disposed in the radial mounting groove 41 and the axial mounting groove 42 of the inner wall of the housing. When this embodiment connecting tube 13, be located casing 1 axial seal 32 and the axial seal 32 interference fit who is located casing 2 down, be located casing 1's radial seal 31 both ends and be located casing 1's radial seal 31 both ends interference fit down, radial seal 31's arcwall face and pipeline 13 outer wall interference fit, above-mentioned interference fit forms a sealed chamber, disposes pipeline 13's damage in sealed intracavity, realizes leaking stoppage.

Example three:

in the present embodiment, as shown in fig. 3 or fig. 6, the radial seal is changed to a two-piece structure based on the second embodiment, and the contact surface between the radial seal 31 and the outer wall of the pipe 13 is a serrated contact surface 8. Most sealing elements on the market are of a single structure, and when the tightening force of the repairing device is too large, the situation that the radial sealing element 31 of the sealing element is extruded out of the shell sealing groove 4 easily occurs, so that the sealing effect is influenced. The double-body radial sealing element 31 used in the embodiment is provided with one radial sealing element on the basis of a common single sealing element structure, so that the friction force and the stability of the sealing element 3 can be effectively enhanced, the probability that the sealing element 3 is extruded out of the mounting groove 4 due to overlarge pressure is reduced, and the embodiment has better sealing performance. Meanwhile, the contact surface of the radial sealing element and the pipeline is a sawtooth-shaped contact surface 8. Common sealing member and pipeline contact surface are mostly glossy cambered surface or plane on the market, lead to easily repairing the ware and slide on the pipeline, arouse the pipeline to leak when serious, pipeline 13 can be hugged closely when repairing the ware and tighten up to cockscomb structure contact surface 8, can not influence the leakproofness of repairing the ware, can effectually prevent to repair the slip of ware on damaged pipeline 13 simultaneously.

Example four:

as shown in fig. 6, in this embodiment, based on the second embodiment, a radial seal 31 and an axial seal 32 of an integrated structure are used, a conical boss 11 of an integrated structure is provided at a connection position of the radial seal 31 and the axial seal 32, a conical hole 12 is provided at a position of the housing corresponding to the conical boss 11, and the conical boss 11 passes through the conical hole 12. The integral type structure can strengthen sealing member 3's sealed effect, avoids producing the gap because of connecting between improper radial seal 31, axial seal 32 and the toper projection 11, causes sealing member 3 fracture, makes sealed effect not good. The conical convex column 11 can prevent the radial sealing element 31 or the axial sealing element 32 from being extruded out of the sealing groove 4 due to overlarge internal pressure, so that the sealing element 3 is prevented from being separated from deformation to cause leakage, and the pressure resistance and the reliability of the sealing element 3 are remarkably improved.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a pipeline repairing device, includes casing (1), casing (2) and branch locate go up casing (1) with sealing member (3) of casing (2) inner wall down, its characterized in that, it is equipped with the connecting piece that docks both for whole casing to go up casing (1) and casing (2) both sides down, the connecting piece includes a plurality of square taper hole (5), nut (7) and with Fang Zhuikong (5) complex square neck bolt (6).

2. Pipe patcher according to claim 1, wherein said square-neck bolt (6) comprises a hemispherical nut (61), a square neck (62) connected to the plane of said nut, a screw (63) connected to the end of said square neck remote from the nut (61).

3. The pipeline patcher of claim 1, wherein the inner walls of the upper and lower shells (1, 2) are provided with sealing grooves (4) for mounting the seals (3).

4. The pipe patcher of claim 3, wherein the seal (3) comprises a radial seal (31) and an axial seal (32), and the seal groove (4) comprises a radial seal groove (41) and an axial seal groove (42).

5. The pipeline patcher of claim 4, wherein the radial seal (31) is of a two-piece arcuate configuration having a serrated contact surface (8) with the pipeline (13).

6. The pipeline prosthesis according to claim 5, characterized in that the radial seal (31) located in the upper casing (1) and the radial seal (31) located in the lower casing (2) are provided with arc-shaped guiding structures (9) at the positions where they contact when the upper casing (1) and the lower casing (2) are assembled.

7. The pipeline patching device of claim 4, wherein a sealing skirt (10) is arranged on the side, close to the axial center, of the contact surface of the axial sealing element (32) and the shell.

8. The pipe patcher of claim 4, wherein the radial seal (31) and the axial seal (32) are of a unitary construction, the radial seal groove (41) and the axial seal groove (42) communicating.

9. The pipe patcher according to claim 8, wherein the junction of the radial seal (31) and the axial seal (32) is provided with a tapered stud (11), and the tapered stud (11) is provided with a tapered hole (12) at a corresponding housing position, and the tapered stud (11) passes through the tapered hole (12).

10. The pipeline prosthesis according to claim 9, characterized in that the conical stud (11) is of one-piece construction with the seal (3).

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