CN221196553U - PVC drain pipe prosthetic devices - Google Patents

Abstract

The utility model provides a PVC drain pipe repairing device, and belongs to the technical field of drain pipes; including last body, impeller and lower body, go up the body and include socket joint section, external screw thread section and first linkage segment, the impeller includes internal screw thread section and second linkage segment, and spacing muscle is installed to lower body inside, internal screw thread section and external screw thread section threaded connection, first linkage segment, second linkage segment outer wall respectively with lower body inner wall laminating, internal screw thread section lateral wall is higher than second linkage segment outer wall and forms first contact surface, lower body tip and first contact surface laminating. The internal thread section and the external thread section which are connected through the threads are used for connecting the pushing piece with the upper pipe body, so that the length of the whole device can be changed at will, different repairing lengths can be met, after the upper pipe body is stuck, the lower pipe body is pushed to the inside of the pipe to be repaired stably under the pushing of the pushing piece, the lower pipe body is bonded with the pipe to be repaired, the stress in the pushing process is uniform, and the bonding is prevented from being in place.

Description

PVC drain pipe prosthetic devices

Technical Field

The utility model relates to the technical field of drainage pipelines, in particular to a PVC drainage pipe repairing device.

Background

The PVC-U drainage pipe is widely applied to a building drainage system, has the characteristics of light weight, convenient installation and low cost, but the PVC drainage material has poor toughness, is easy to crack or break under the impact of external force in the installation or use process, and seriously affects the use, in particular to a sewage pipeline.

The repairing method mainly replaces a damaged pipeline, but as the two ends of the pipe section to be repaired are fixed and can not move at will, the problem that the repaired pipe fitting is put into a space is solved, the problem that the two ends cannot be connected and sealed movably is solved, and the current common practice is as follows: after the three-piece type combined structure is adopted and the pipeline is damaged, broken parts are cut along the section of the pipeline, glue is smeared on the outer surface of the pipeline to be repaired at the two ends and the inner surface of the main joint, the main joint is arranged on the pipeline, the arc-shaped check rings on the main joint are positioned in cutting vacancies, the glue is smeared on the inner surfaces of the two tap joints, the two tap joints are respectively arranged on the two sides of the pipeline, and the pipe joints are knocked by a tool and spliced in the arc-shaped check rings to realize sealing connection.

However, in the mode, as the glue is adopted for bonding, the primary contact part of the two taps and the pipe is not the final bonding part, the glue is extremely easy to be consumed in advance or the glue at partial positions is scraped due to uneven stress in the process that the two taps strike the inserted arc-shaped check ring by using a tool, and the bonding part cannot meet the bonding requirement, so that water leakage occurs.

Chinese patent CN202022546296.0 discloses a PVC viscose water leakage repair pipe fitting, including first body, second body, the one end of first body with the one end of second body is articulated, the other end of first body with the other end of second body is buckle connection, first body the second body all be equipped with respectively with drain pipe the first connecting portion of drain pipe fitting sealing connection, second connecting portion, the device is closed through first body, second body and is encircleed pipe connection, but this structure needs the device according to the length production different specifications in damaged position, is unfavorable for the use, adopts the position of lock joint to produce easily and leaks moreover.

Therefore, an apparatus is needed to solve the above-mentioned problems.

Disclosure of utility model

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a PVC drain pipe prosthetic devices, includes body, impeller and lower body, it includes socket joint section, external screw thread section and first linkage segment to go up the body, the impeller includes internal screw thread section and second linkage segment, lower body internally mounted has spacing muscle, internal screw thread section and external screw thread section threaded connection, first linkage segment, second linkage segment outer wall laminate with lower body inner wall respectively, the internal screw thread section lateral wall is higher than second linkage segment outer wall and forms first contact surface, lower body tip and first contact surface laminating.

The structure of the utility model comprises an upper pipe body, a pushing piece and a lower pipe body which are connected, wherein the upper pipe body comprises a socket joint section used for being connected with a pipe to be repaired, an external thread section used for being connected with an internal thread section in the pushing piece, a first connecting section used for being in fit connection with the inner wall of the lower pipe body, the inner wall of the lower pipe body is in fit connection with the outer wall of the first connecting section to play a role in sealing, the pushing piece also comprises a second connecting section used for being connected with the outer wall of the lower pipe body to play a role in sealing, the inner wall of one end of the lower pipe body is connected with the first connecting section and the second connecting section, and the side wall of the internal thread section is higher than the outer wall of the second connecting section, so that the lower pipe body is connected with the second connecting section, and the end part of the lower pipe body is in fit connection with a first contact surface to play a role in sealing; the upper pipe body, the pushing piece and the lower pipe body are connected and sealed mutually, the other end of the lower pipe body is connected with the pipe to be repaired, the limiting ribs are used for limiting the position of the pipe to be repaired, which is inserted into the lower pipe body, the position of the pipe to be repaired, which is blocked after the pipe to be repaired is installed in place, can be known in the installation process, and the pushing of the lower pipe body is stopped to continue to move forwards.

Preferably, a plurality of guide grooves are formed in the outer portion of the first connecting section, a plurality of guide ribs matched with the guide grooves are arranged on the inner wall of the lower pipe body, and the guide ribs are located on one side, close to the upper pipe body, of the limiting ribs.

Under the cooperation of guide bar and guide way, go up between body and the lower body and be connected more stably, when the pushing piece promotes down that the body is kept away from the body, the guide bar removes along the guide way moreover to guarantee that the body is relative smooth movement down.

Preferably, the guide groove is formed along the length direction of the upper pipe body, and the guide ribs are arranged along the length direction of the lower pipe body.

Preferably, the end part of the guide rib is connected with the side wall of the limit rib.

Preferably, the cross section of the guide groove is one of square, trapezoid and circular arc.

Preferably, the guide grooves are 4-6 and are uniformly distributed along the circumference.

Preferably, the limiting ribs are annular.

Preferably, a plurality of reinforcing ribs are circumferentially arranged on the outer wall of the internal thread section.

Preferably, the outer wall of the lower pipe body is provided with a water flow direction mark.

Preferably, the first contact surface is provided with an annular groove, a rubber ring is arranged in the annular groove, and the rubber ring is positioned between the annular groove and the end part of the pushing piece.

Preferably, the cross section of the rubber ring is one of O-shaped, square-shaped and L-shaped.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

The utility model provides a PVC drain pipe repairing device, which adopts an internal thread section and an external thread section which are in threaded connection to connect a pushing piece with an upper pipe body, so that the length of the whole device can be changed at will, different repairing lengths can be met, after the upper pipe body is stuck, a lower pipe body is pushed to the inside of a pipe to be repaired smoothly under the pushing of the pushing piece, so that the lower pipe body is stuck to the pipe to be repaired, the stress in the pushing process is uniform, and the sticking is prevented from being in place; the guiding structure is arranged to prevent the lower pipe body from displacement or rotation in the moving process, so that the glue is uniformly smeared and better filled in the gap; the rubber ring is arranged at the key position of connection of the upper pipe body, the pushing piece and the lower pipe body, and in the pushing process, the gap is continuously filled by forced extrusion, so that the sealing effect is good, and the pushing piece can be extruded to prevent loosening.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of the upper tube structure of the present utility model;

FIG. 4 is a schematic view of a pusher member according to the present utility model;

FIG. 5 is a schematic view of the lower pipe structure of the present utility model;

FIG. 6 is a schematic view of a pipe structure to be repaired according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a process for repairing a pipe to be repaired according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a second process for repairing a pipe to be repaired according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a three-dimensional structure of a repair completion of a pipe to be repaired in an embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view of a repair completion of a pipe to be repaired according to an embodiment of the present utility model; ;

FIG. 11 is an enlarged schematic view of a cross-sectional structure of a repair completion of a pipe to be repaired according to an embodiment of the present utility model; ;

Wherein: 100. a tube to be repaired; 200. a breakage; 300. cutting the section; 400. a first docking section; 500. a second docking section;

1. An upper tube body; 2. a pushing member; 3. a lower pipe body; 4. an annular groove; 5. a rubber ring;

101. a socket segment; 102. an external thread section; 103. a first connection section; 1031. a guide groove;

201. An internal thread segment; 202. a second connection section; 2011. a first contact surface; 203. reinforcing ribs;

301. a limit rib; 302. a guide rib; 303. and (5) water flow direction identification.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and that "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features being referred to; nor does it represent the importance of the components and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present utility model.

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1:

Referring to fig. 1 to 11, a PVC drain repair apparatus includes an upper pipe body 1, a pushing member 2 and a lower pipe body 3,

The upper pipe body 1 comprises a socket joint section 101, an external thread section 102 and a first connecting section 103, the pushing piece 2 comprises an internal thread section 201 and a second connecting section 202, a limit rib 301 is arranged in the lower pipe body 3,

The inner thread section 201 is in threaded connection with the outer thread section 102, the outer walls of the first connecting section 103 and the second connecting section 202 are respectively attached to the inner wall of the lower pipe body 3,

The side wall of the internal thread section 201 is higher than the outer wall of the second connecting section 202 to form a first contact surface 2011,

The end of the lower pipe body 3 is attached to the first contact surface 2011.

The structure of the utility model comprises an upper pipe body 1, a pushing piece 2 and a lower pipe body 3 which are connected, wherein the upper pipe body 1 comprises a socket joint section 101 which is used for being connected with a pipe 100 to be repaired, an external thread section 102 which is used for being connected with an internal thread section 201 in the pushing piece 2, a first connecting section 103 which is used for being jointed with the inner wall of the lower pipe body 3, the inner wall of the lower pipe body 3 is jointed with the outer wall of the first connecting section 103 to play a role in sealing, the pushing piece 2 also comprises a second connecting section 202 which is used for being connected with the outer wall of the lower pipe body 3, the inner wall of one end of the lower pipe body 3 is connected with the first connecting section 103 and the second connecting section 202, and the side wall of the internal thread section 201 is higher than the outer wall of the second connecting section 202, so that the end of the lower pipe body 3 is jointed with a first contact surface 2011 to play a role in sealing; the upper pipe body 1, the pushing piece 2 and the lower pipe body 3 are connected and sealed mutually, the other end of the lower pipe body 3 is used for being connected with the pipe to be repaired 100, the limiting rib 301 is used for limiting the position of the pipe to be repaired 100 inserted into the lower pipe body 3, the position of the pipe to be repaired 100 can be known to be blocked after the pipe to be repaired 100 is installed in place in the installation process, and pushing of the lower pipe body 3 to continue forwards is stopped.

Referring to fig. 6-11, when a pipe 100 to be repaired with a broken portion 200 is repaired, as shown in fig. 6, when the broken portion 200 of the pipe 100 to be repaired occurs, the pipe at the broken portion is cut perpendicular to the axial direction of the pipe 100 to be repaired, and the length of the cutting section 300 is slightly longer than that of the device of the utility model, so that the device is convenient to be installed;

As shown in fig. 7, the pushing member 2 is screwed on the upper pipe body 1, the upper pipe body 1 is inserted into the lower pipe body 3 to form a whole, the pushing member 2 is rotated to one end of the external thread section 102 close to the socket section 101, so that the whole device is of the minimum size in the length direction, and is placed in a cutting gap between the first butt joint section 400 and the second butt joint section 500.

As shown in fig. 8, firstly, the interface of the upper pipe body 1 is installed, glue is uniformly smeared on the outer surface of the spigot-and-socket section 101 and the inner surface of the first butt-joint section 400, and the spigot-and-socket section 101 of the upper pipe body 1 is inserted into the first butt-joint section 400 of the pipe 100 to be repaired, so that bonding is realized; meanwhile, the external thread section 102 plays a role in limiting the end part of the first butt joint section 400;

As shown in fig. 9, after the upper pipe body 1 completes the bonding and positioning, the inner surface of the lower pipe body 3 and the outer surface of the second butt joint section 500 are coated with uniform glue, the second butt joint section 500 is aligned with the lower pipe body 3, the rotating pushing member 2 rotates around the external thread section 102 to move towards the lower pipe body 3, then the first contact surface 2011 pushes the lower pipe body 3 to move towards the second butt joint section 500 until the end surface of the second butt joint section 500 abuts against the limit rib 301 of the lower pipe body 3, the bonding is completed, the glue is filled between the lower pipe body 3 and the second butt joint section 500, and in the slow moving process of the lower pipe body 3, the glue is fully filled in the gap between the lower pipe body 3, so as to realize the sealing bonding; as shown in fig. 10-11, in the process of pushing the lower pipe body 3 by the pushing piece 2 to move and bond, the inner wall at one end of the lower pipe body 3 is always attached to the first connecting section 103 and the second connecting section 202, so that leakage caused by displacement is avoided.

In a further embodiment, referring to fig. 5, the limiting rib 301 is annular. The ring-shaped ring is arranged around the inner wall of the lower pipe body 3, so that the end part of the pipe 100 to be repaired can be fully blocked, and the ring-shaped ring can be intermittently arranged or a plurality of short ribs or protrusions can be arranged for limiting.

In a further embodiment, referring to fig. 4, a plurality of reinforcing ribs 203 are circumferentially arranged on the outer wall of the internal thread section 201, and the reinforcing ribs 201 are beneficial to the engagement of the pushing member 2 with a wrench and the like, so as to apply force to the screwing of the pushing member 2.

In a further embodiment, referring to fig. 5, the outer wall of the lower tube body 3 is provided with a water flow direction indicator 303, and the arrow direction is the water flow direction, so that the direction of the lower tube body 3 can be determined conveniently during use, and reverse installation is prevented.

Example 2:

Referring to fig. 1-11, a plurality of guiding grooves 1031 are formed on the outer portion of the first connecting section 103, a plurality of guiding ribs 302 adapted to the guiding grooves 1031 are mounted on the inner wall of the lower pipe body 3, and the guiding ribs 302 are located on one side, close to the upper pipe body 1, of the limiting rib 301.

Referring to fig. 10, under the cooperation of the guide rib 302 and the guide groove 1031, the connection between the upper tube body 1 and the lower tube body 3 is more stable, and when the pushing member 2 pushes the lower tube body 3 to be away from the upper tube body 1, the guide rib 302 moves along the guide groove 1031, so as to ensure that the lower tube body 3 moves smoothly relative to the upper tube body 1, when the upper tube body 1 is stuck and fixed in the position, the lower tube body 3 is prevented from moving to be misplaced when the upper tube body 1 is stuck and fixed in the to-be-repaired tube 100, so that glue is consumed or part of the glue is scraped off, thereby being beneficial to uniformly filling the glue and realizing adhesion between the lower tube body 3 and the to-be-repaired tube 100. .

In a further embodiment, referring to fig. 3, the guiding grooves 1031 are formed along the length direction of the upper tube body 1, the guiding ribs 302 are arranged along the length direction of the lower tube body 3, and the arrangement along the length direction is consistent with the movement direction, so that the movement is smoother, and the guiding effect is better.

In a further embodiment, referring to fig. 5, the end of the guiding rib 302 is connected to the side wall of the limiting rib 301, so as to meet the requirement of the guiding path length.

In a further embodiment, the cross section of the guiding groove 1031 is one of square, trapezoid, and circular arc.

In still further embodiments, the guiding grooves 1031 are 4-6 and are uniformly distributed along the circumference of the outer surface of the first connecting section 103.

Example 3:

Referring to fig. 1-11, the first contact surface 2011 is provided with an annular groove 4, a rubber ring 5 is arranged in the annular groove 4, and the rubber ring 5 is located between the annular groove 4 and the end part of the pushing piece 2.

The annular groove 4 is formed, the rubber ring 5 is arranged in the annular groove, the rubber ring 5 is continuously extruded between the first contact surface 2011 and the end part of the lower pipe body 3 in the moving process of pushing the lower pipe body 3 by the pushing piece 2, the rubber ring 5 fills the position between the first contact surface 2011 and the lower pipe body 3 under the elastic action, a good sealing effect is achieved, and the pushing piece 2 can be pressed downwards after the rubber ring 5 is deformed, so that the anti-loosening effect is achieved.

In a further embodiment, the cross-section of the rubber ring 5 is one of O-shape, square shape and L-shape.

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. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. PVC drain pipe prosthetic devices, its characterized in that: including last body (1), impeller (2) and lower body (3), go up body (1) including spigot-and-socket joint section (101), external screw thread section (102) and first linkage segment (103), impeller (2) are including internal screw thread section (201) and second linkage segment (202), body (3) internally mounted has spacing muscle (301) down, internal screw thread section (201) and external screw thread section (102) threaded connection, first linkage segment (103), second linkage segment (202) outer wall respectively with lower body (3) inner wall laminating, internal screw thread section (201) lateral wall is higher than second linkage segment (202) outer wall and forms first contact surface (2011), lower body (3) tip and first contact surface (2011) laminating.

2. A PVC drain repair device according to claim 1, wherein: a plurality of guide grooves (1031) are formed in the outer portion of the first connecting section (103), a plurality of guide ribs (302) matched with the guide grooves (1031) are mounted on the inner wall of the lower pipe body (3), and the guide ribs (302) are located on one side, close to the upper pipe body (1), of the limiting ribs (301).

3. A PVC drain repair device according to claim 2, wherein: the guide grooves (1031) are formed in the length direction of the upper pipe body (1), and the guide ribs (302) are arranged in the length direction of the lower pipe body (3).

4. A PVC drain repair device according to claim 2, wherein: the end part of the guide rib (302) is connected with the side wall of the limit rib (301).

5. A PVC drain repair device according to claim 2, wherein: the cross section of the guide groove (1031) is one of square, trapezoid and circular arc.

6. A PVC drain repair device according to claim 1, wherein: the limiting ribs (301) are annular.

7. A PVC drain repair device according to claim 1, wherein: the outer wall of the internal thread section (201) is circumferentially provided with a plurality of reinforcing ribs (203).

8. A PVC drain repair device according to claim 1, wherein: the outer wall of the lower pipe body (3) is provided with a water flow direction mark (303).

9. A PVC drain repair device according to any one of claims 1 to 8, wherein: an annular groove (4) is formed in the first contact surface (2011), a rubber ring (5) is arranged in the annular groove (4), and the rubber ring (5) is located between the annular groove (4) and the end portion of the pushing piece (2).

10. A PVC drain repair device according to claim 9, wherein: the cross section of the rubber ring (5) is one of O-shaped, square and L-shaped.