CN210566856U

CN210566856U - Sealed self-locking integrated socket structure

Info

Publication number: CN210566856U
Application number: CN201921393507.2U
Authority: CN
Inventors: 刘汉元; 陶鹏
Original assignee: Guangdong Zhuohong Construction Engineering Co Ltd
Current assignee: Guangdong Zhuohong Construction Engineering Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-19
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a sealed auto-lock integral type bell and spigot structure, including real wall nozzle stub, the annular sealed self-locking ring of circle, the outer wall of the first end of real wall nozzle stub forms the bellmouth body along real wall nozzle stub axial extension, and the inner wall of real wall nozzle stub second forms the socket body along real wall nozzle stub axial extension, the space has between the medial surface of bellmouth body and the lateral surface of socket body, the middle part processing of the medial surface of bellmouth body forms round annular mounting groove, the middle part processing of the lateral surface of socket body forms round annular draw-in groove, when the socket body assembles with the bellmouth body, the outer lane layer of sealed self-locking ring is installed in the mounting groove, the inner lane layer card of sealed self-locking ring forms sealed and auto-locking structure in the draw-in groove. The utility model has the advantages that: the bell and spigot structure of this patent, simple structure, the underground construction installation of being convenient for, firm in connection.

Description

Sealed self-locking integrated socket structure

Technical Field

The utility model relates to a pipeline interface connection technical field especially relates to a sealed auto-lock integral type bell and spigot structure.

Background

In municipal drainage pipe network construction, in order to reduce traffic influence, non-excavation construction is generally adopted in areas close to buildings and the like, and in water supply and drainage pipeline engineering, common non-excavation construction modes comprise large-caliber pipe jacking construction, small-caliber spiral secondary pipe jacking, horizontal directional drilling and other processes.

The comprehensive small-caliber pipe jacking construction process is characterized in that a large-caliber pipe jacking method, a horizontal directional drilling method and other processes are combined, an extrusion type flexible plug-in connector composite solid-wall short pipe is matched, traditional pipeline back dragging is changed into a top pulling process, a pipe joint is installed underground at the tail end, a drill rod penetrates through the center of a pipeline, the pipeline is pulled at the tail end of the pipeline, a tunneling head is responsible for tunneling torque and head-on resistance, and residual force of equipment is transmitted to the tail end of the pipeline through a head rear powder driving device and a force transmission rod, so that the purpose of jacking is achieved.

In the existing socket joint connection mode, two adjacent pipelines are fixedly connected, so that the requirement of bending cannot be met; socket joint connection structure is complicated, the underground construction operation of being not convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a sealed auto-lock integral type bell and spigot structure.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the outer wall of the first end of the solid-wall short pipe extends axially along the solid-wall short pipe to form a socket body, the inner wall of the second end of the solid-wall short pipe extends axially along the solid-wall short pipe to form a socket body, a gap is formed between the inner side surface of the socket body and the outer side surface of the socket body, the middle of the inner side surface of the socket body is machined to form a circle of annular mounting groove, the middle of the outer side surface of the socket body is machined to form a circle of annular clamping groove, when the socket body is assembled with the socket body, the outer ring layer of the sealing self-locking ring is mounted in the mounting groove, and the inner ring layer of the sealing self-locking ring is clamped into the clamping groove to form a sealing and self-locking structure.

Furthermore, the tail end of the inner ring layer of the sealing self-locking ring is abutted against the supporting surface of the clamping groove.

Furthermore, a convex part with an arched cross section is arranged on the supporting surface of the clamping groove.

Further, the sealing self-locking ring comprises a metal framework with a V-shaped cross section and a rubber layer wrapped outside the metal framework.

Furthermore, the inner ring of the metal framework is flexibly connected with the outer ring of the metal framework, and a plurality of openings with uniform intervals are formed in the inner ring of the metal framework.

Furthermore, the cross section of the mounting groove is in a right trapezoid shape, and the cross section of the clamping groove is in an obtuse triangle shape.

Furthermore, the inner side surface of the socket pipe body and the outer side surface of the socket pipe body are conical surfaces.

Furthermore, a first sealing gasket is clamped between the tail end of the socket pipe body and the second end of the solid-wall short pipe, and a second sealing gasket is clamped between the tail end of the socket pipe body and the first end of the solid-wall short pipe.

The utility model has the advantages that: the middle part of the inner side surface of the socket pipe body is processed to form a circle of annular mounting groove, the middle part of the outer side surface of the socket pipe body is processed to form a circle of annular clamping groove, when the socket pipe body is assembled with the socket pipe body, an outer ring layer of the sealing self-locking ring is mounted in the mounting groove, and an inner ring layer of the sealing self-locking ring is clamped into the clamping groove to form a sealing and self-locking structure; a gap is arranged between the inner side surface of the socket pipe body and the outer side surface of the socket pipe body, so that two adjacent solid-wall short pipes can be bent at the socket; the bell and spigot structure of this patent, simple structure, the underground construction installation of being convenient for, firm in connection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic structural view of a middle solid-wall nozzle stub of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic structural diagram of the middle socket structure of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is a schematic structural view of the metal frame of the present invention;

fig. 7 is a cross-sectional view of the metal skeleton of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 7, a sealed self-locking integrated socket structure comprises a solid-wall short tube 1 and a circular sealed self-locking ring 4, wherein the outer wall of the first end of the solid-wall short tube 1 extends axially along the solid-wall short tube 1 to form a socket tube body 2, the inner wall of the second end of the solid-wall short tube 1 extends axially along the solid-wall short tube 1 to form a socket tube body 3, the inner side of the socket tube body 2 and the outer side of the socket tube body 3 are both conical surfaces, a gap is formed between the inner side of the socket tube body 2 and the outer side of the socket tube body 3, a circle of annular mounting groove 21 is formed in the middle of the inner side of the socket tube body 2, a circle of annular clamping groove 31 is formed in the middle of the outer side of the socket tube body 3, when the socket tube body 3 is assembled with the socket tube body 2, the outer ring layer of the sealed self-locking ring 4 is mounted, specifically, the end of the inner ring layer of the seal self-locking ring 4 abuts against the support surface 311 of the card slot 31.

The supporting surface 311 of the locking groove 31 is provided with a convex part 312 with an arched cross section, and the convex part 312 prevents the tail end of the inner ring layer of the sealing self-locking ring 4 from slipping off the supporting surface 311 of the locking groove 31.

The sealing self-locking ring 4 comprises a metal framework 41 with a V-shaped cross section and a rubber layer 42 wrapped outside the metal framework 41. The inner ring 412 of the metal frame 41 is flexibly connected to the outer ring 411 of the metal frame 41, and the inner ring 412 of the metal frame 41 is provided with a plurality of openings 4120 with uniform intervals.

The cross section of the mounting groove 21 is in a right trapezoid shape, and the cross section of the clamping groove 31 is in an obtuse triangle shape.

A first sealing gasket 5 is clamped between the tail end of the socket pipe body 2 and the second end of the solid-wall short pipe 1, and a second sealing gasket 6 is clamped between the tail end of the socket pipe body 3 and the first end of the solid-wall short pipe 1, so that an inner and outer additional sealing structure is formed at the socket, and sundries are prevented from entering a gap reserved between the inner side surface of the socket pipe body 2 and the outer side surface of the socket pipe body 3, and the socket pipe body 2 and the socket pipe body 3 cannot be bent.

The beneficial effects are that: the middle part of the inner side surface of the socket pipe body is processed to form a circle of annular mounting groove, the middle part of the outer side surface of the socket pipe body is processed to form a circle of annular clamping groove, when the socket pipe body is assembled with the socket pipe body, an outer ring layer of the sealing self-locking ring is mounted in the mounting groove, and an inner ring layer of the sealing self-locking ring is clamped into the clamping groove to form a sealing and self-locking structure; a gap is arranged between the inner side surface of the socket pipe body and the outer side surface of the socket pipe body, so that two adjacent solid-wall short pipes can be bent at the socket; the bell and spigot structure of this patent, simple structure, the underground construction installation of being convenient for, firm in connection.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a sealed auto-lock integral type bell and spigot structure which characterized in that: the self-locking socket comprises a solid-wall short pipe and an annular sealing self-locking ring, wherein the outer wall of the first end of the solid-wall short pipe extends axially along the solid-wall short pipe to form a socket pipe body, the inner wall of the second end of the solid-wall short pipe extends axially along the solid-wall short pipe to form a socket pipe body, a gap is formed between the inner side surface of the socket pipe body and the outer side surface of the socket pipe body, the middle of the inner side surface of the socket pipe body is machined to form a circle of annular mounting groove, a circle of annular clamping groove is machined in the middle of the outer side surface of the socket pipe body, when the socket pipe body is assembled with the socket pipe body, the outer ring layer of the sealing self-locking ring is mounted in the mounting groove.

2. The sealed self-locking integrated socket structure according to claim 1, wherein: the tail end of the inner ring layer of the sealing self-locking ring is abutted to the supporting surface of the clamping groove.

3. The sealed self-locking integrated socket structure according to claim 2, wherein: and a bulge part with an arched cross section is arranged on the supporting surface of the clamping groove.

4. The sealed self-locking integrated socket structure according to claim 1, wherein: the sealing self-locking ring comprises a metal framework with a V-shaped cross section and a rubber layer wrapped outside the metal framework.

5. The sealed self-locking integrated socket structure according to claim 4, wherein: the inner ring of the metal framework is flexibly connected with the outer ring of the metal framework, and a plurality of openings with uniform intervals are formed in the inner ring of the metal framework.

6. The sealed self-locking integrated socket structure according to claim 1, wherein: the cross section of the mounting groove is in a right trapezoid shape, and the cross section of the clamping groove is in an obtuse triangle shape.

7. The sealed self-locking integrated socket structure according to claim 1, wherein: the inner side surface of the socket pipe body and the outer side surface of the socket pipe body are conical surfaces.

8. The sealed self-locking integrated socket structure according to claim 1, wherein: a first sealing gasket is clamped between the tail end of the socket pipe body and the second end of the solid-wall short pipe, and a second sealing gasket is clamped between the tail end of the socket pipe body and the first end of the solid-wall short pipe.