CN212156245U

CN212156245U - Pipeline blocking structure

Info

Publication number: CN212156245U
Application number: CN202020275034.2U
Authority: CN
Inventors: 暴晓宇
Original assignee: Hebei Huafeng Energy Technology Development Co Ltd
Current assignee: Huafeng Clean Energy Co ltd; Hebei Huafeng Energy Technology Development Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-12-15
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a pipeline blocking structure, which comprises a cone plug and an inner taper sleeve; the inner taper sleeve is provided with a cutting sleeve, the cutting sleeve can be inserted into the pipeline and is in clearance fit with the pipe wall of the pipeline, and the inner end surface of the cutting sleeve is an inner taper surface; the conical plug part can penetrate through the inner taper sleeve, the conical plug is provided with a connecting conical head, the outer end face of the connecting conical head is matched with the inner taper surface, and the conical plug can be locked in the pipeline through the clamping sleeve inserted into the pipeline through the matching between the outer end face of the connecting conical head and the inner taper surface. The utility model discloses utilize the outer conical surface of connecting the conical head on the awl stifled head and cutting ferrule cooperation between the interior conical surface to realize expanding to the crowded of cutting ferrule to utilize the cutting ferrule locking pipeline's that crowded rises pipe wall, with this realization to the jam of pipeline, its leakproofness to pipeline jam is good, and awl stifled head and interior taper sleeve split type structure, so that this pipe blockage structure is for the dismouting of pipeline.

Description

Pipeline blocking structure

Technical Field

The utility model belongs to the technical field of the pipeline blocks up relatively, especially relates to a pipeline blocking structure.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc.

The pipeline can appear the condition of leaking in the in-process of using, need to block up the mouth of pipe of pipeline for this reason to carry out leak testing with corresponding pipeline, confirm the pipeline specific leak source or the pipeline that takes place to leak for which pipeline. At present, the structure that has been used for blockking up the pipeline is the plunger usually, and the plunger is poor to the orificial jam effect of pipeline, and the plunger is complicated from the dismantlement of the orificial position of pipeline, the people's of not being convenient for operation.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a pipe plugging structure for plugging a pipe orifice of a pipe, aiming at the technical problems in the prior art.

The pipeline blocking structure comprises a cone plug and an inner taper sleeve; the inner taper sleeve is provided with a cutting sleeve, the cutting sleeve can be inserted into the pipeline and is in clearance fit with the pipe wall of the pipeline, and the inner end surface of the cutting sleeve is an inner taper surface; the conical plug part can penetrate through the inner taper sleeve, the conical plug is provided with a connecting conical head, the outer end face of the connecting conical head is matched with the inner taper surface, and the conical plug can be locked in the pipeline through the clamping sleeve inserted into the pipeline through the matching between the outer end face of the connecting conical head and the inner taper surface.

As the utility model discloses an optimal scheme, the awl choke plug passes the partial spiro union of interior taper sleeve has the nut, the nut can drive connect on the awl head outer terminal surface with the interior conical surface cooperation of cutting ferrule.

As a preferred scheme of the utility model, the inner taper sleeve is provided with a plurality of threaded holes, wherein each threaded hole is arranged towards the edge of the pipe orifice of the pipeline; the pipeline blocking structure further comprises a long screw corresponding to the threaded hole, and the long screw can drive the inner taper sleeve and the taper plug to be separated from the pipeline.

As the utility model discloses an optimized scheme, seted up a plurality of correspondences on the nut the through-hole of screw hole, the long screw rod can run through the correspondence the through-hole reaches the screw hole supports and leans on the mouth of pipe border of pipeline.

As an optimized scheme of the utility model, the confession has been seted up to interior taper sleeve the centre bore that awl choke plug passed, the cutting ferrule is located the periphery of centre bore, just the center line of cutting ferrule with the centre of a circle line of centre bore is located on the same straight line.

As the preferred scheme of the utility model, connect the conical head with be formed with the step between the awl end cap.

As the preferred scheme of the utility model, the tip of the biggest external diameter on the connecting cone head with the pipe wall clearance fit of pipeline.

As the preferred scheme of the utility model, the cutting ferrule with interior taper sleeve establishes to the integral type structure.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides a pipeline blocking structure utilizes the outer conical surface of connecting the conical head on the awl stifled head and cutting ferrule cooperation between the interior conical surface to realize rising to the crowded of cutting ferrule to utilize the cutting ferrule locking pipeline's that crowded rises pipe wall, with this realization to the jam of pipeline, its leakproofness to pipeline jam is good, and awl stifled head and the split type structure of interior taper sleeve, so that this pipeline blocking structure is for the dismouting of pipeline.

Drawings

Fig. 1 is a schematic structural view of a pipe plugging structure assembled to a pipe according to an embodiment of the present invention.

10, a cone plug; 11. connecting the conical heads; 12. a step; 20. an inner taper sleeve; 21. a card sleeve; 22. a threaded hole; 23. a central bore; 30. a nut; 31. a through hole; 101. an inner conical surface; 200. a pipeline; 201. the edge of the nozzle.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, a pipe blocking structure according to an embodiment of the present invention is used for blocking a pipe orifice of a pipe 200. The pipeline blocking structure comprises a cone plug 10, an inner taper sleeve 20 and a nut 30.

In the present embodiment, the inner taper sleeve 20 is provided with a cutting ferrule 21, the cutting ferrule 21 can be inserted into the pipeline 200 and is in clearance fit with the pipe wall of the pipeline 200, and the inner end surface of the cutting ferrule 21 is an inner taper surface 101; correspondingly, the cone plug 10 can be partially arranged through the inner taper sleeve 20, wherein the cone plug 10 is provided with a connecting cone head 11, the outer end surface of the connecting cone head 11 is matched with the inner taper surface 101, and the cone plug 10 can lock the ferrule 21 inserted into the pipeline 200 to the pipeline 200 through the matching between the outer end surface of the connecting cone head 11 and the inner taper surface 101, and realize the plugging of the pipeline 200. That is, when the pipe plugging structure of the present embodiment is operated, the ferrule 21 is pushed up by the connecting cone 11, and the pipe 200 is plugged by the engagement between the pushed-up ferrule 21 and the cone plug 10.

Wherein, the cutting sleeve 21 and the inner taper sleeve 20 are designed into an integrated structure.

The nut 30 is screwed on the portion of the cone plug 10 penetrating through the inner taper sleeve 20, and the nut 30 can drive the outer end surface of the connecting cone head 11 to be matched with the inner taper surface 101 of the cutting sleeve 21. That is, the nut 30 of the present embodiment is used as a driving member for the engagement between the connecting cone head 11 of the cone head 10 and the ferrule 21 of the inner taper sleeve 20. It should be noted that, of course, the driving element for driving the outer end surface of the connecting cone head 11 to cooperate with the inner conical surface 101 of the ferrule 21 is not limited to the nut 30, and for those skilled in the art, a portion of the cone plug 10 extending out of the inner conical sleeve 20 may be provided with a jaw surface, and an external driving clamp acts on the jaw surface to rotate the cone plug 10, or a through hole is directly provided at a portion of the cone plug 10 extending out of the inner conical sleeve 20, and an external driving rod passes through the through hole and pulls the cone plug 10, which will not be described herein.

Specifically, when the pipe plugging structure of the present embodiment is operated, the nut 30 is screwed until the nut 30 abuts on the inner taper sleeve 20, and then the nut 30 is further screwed, so that the taper plug 10 is driven.

Further, the inner taper sleeve 20 is opened with a plurality of threaded holes 22, wherein each threaded hole 22 is disposed toward the orifice edge 201 of the pipeline 200; and the pipe blocking structure further comprises a long screw (not shown) corresponding to the threaded hole 22, and the long screw can drive the inner taper sleeve 20 and the taper plug 10 to be separated from the pipe 200. That is, the inner taper sleeve 20 and the taper plug 10, which are provided in the pipe 200 and block the pipe 200, are pulled out of the pipe 200. The number of the threaded holes 22 can be two, three, four, or even more according to the use requirement, which is not described herein.

Specifically, when the inner taper sleeve 20 and the taper plug 10 plugged in the pipeline 200 need to be detached from the pipeline 200, the nut 30 may be unscrewed, then the long screw rod correspondingly passes through the corresponding threaded hole 22 of the inner taper sleeve 20, and the end portion passing through the inner taper sleeve 20 abuts against the nozzle edge 201 of the pipeline 200, then the long screw rod is screwed, and by using the thread structure between the long screw rod and the threaded hole 22, an acting force for driving the inner taper sleeve 20 to move away from the pipeline 200 is provided, and detachment of the inner taper sleeve 20 and the taper plug 10 from the pipeline 200 is achieved.

In the present embodiment, the nut 30 is provided with a plurality of through holes 31 corresponding to the threaded holes 22, and the long screw can pass through the corresponding through holes 31 and the threaded holes 22 and abut against the orifice edge 201 of the pipeline 200.

It can be understood that the inner taper sleeve 20 of the present embodiment is provided with a central hole 23 for the taper plug 10 to pass through, and the portion of the taper head 10 having the threaded section extends outward through the central hole 23. The cutting sleeve 21 is located on the periphery of the central hole 23, and a circle center line of the cutting sleeve 21 and a circle center line of the central hole 23 are arranged on the same straight line. So that a gap is left between the connecting part of the cutting sleeve 21 and the inner taper sleeve 20 on the inner taper sleeve 20 and the hole wall of the central hole 23, so that the taper plug 10 can move relative to the inner taper sleeve 20.

In addition, a step 12 is formed between the connecting cone head 11 and the cone plug 10 to further facilitate the movement of the cone plug 10 relative to the inner taper sleeve 20.

It should be noted that the end of the maximum outer diameter of the connecting cone 11 of the present embodiment is in clearance fit with the pipe wall of the pipe 200 so that the connecting cone 11 can move relatively in the pipe 200, but the maximum outer diameter of the connecting cone 11 may be smaller than the diameter of the pipe wall of the pipe 200 according to the use requirement.

To sum up, the utility model provides a pipeline blocking structure utilizes the cooperation between the conical surface on the outer conical surface of connecting the conical head on the awl stifled head and the cutting ferrule to realize the crowded expansion to the cutting ferrule to utilize the cutting ferrule locking pipeline's that crowded rises pipe wall, with this realization to the jam of pipeline, its leakproofness to pipeline jam is good, and awl stifled head and the split type structure of interior taper sleeve, so that this pipeline blocking structure is for the dismouting of pipeline.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above 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.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pipeline blocking structure is used for blocking the orifice of a pipeline; the method is characterized in that: comprises a cone plug and an inner cone sleeve; the inner taper sleeve is provided with a cutting sleeve, the cutting sleeve can be inserted into the pipeline and is in clearance fit with the pipe wall of the pipeline, and the inner end surface of the cutting sleeve is an inner taper surface; the conical plug part can penetrate through the inner taper sleeve, the conical plug is provided with a connecting conical head, the outer end face of the connecting conical head is matched with the inner taper surface, and the conical plug can be locked in the pipeline through the clamping sleeve inserted into the pipeline through the matching between the outer end face of the connecting conical head and the inner taper surface.

2. The pipe plugging structure according to claim 1, wherein: the part of the cone plug penetrating through the inner cone sleeve is connected with a nut in a threaded mode, and the nut can drive the outer end face of the connecting cone head to be matched with the inner cone face of the clamping sleeve.

3. The pipe plugging structure according to claim 2, wherein: the inner taper sleeve is provided with a plurality of threaded holes, wherein each threaded hole is arranged towards the edge of the pipe orifice of the pipeline; the pipeline blocking structure further comprises a long screw corresponding to the threaded hole, and the long screw can drive the inner taper sleeve and the taper plug to be separated from the pipeline.

4. The pipe plugging structure according to claim 3, wherein: the nut is provided with a plurality of through holes corresponding to the threaded holes, and the long screw can penetrate through the corresponding through holes and the threaded holes to abut against the edge of the pipe orifice of the pipeline.

5. The pipe plugging structure according to claim 2, wherein: the inner taper sleeve is provided with a center hole for the taper plug to pass through, the cutting sleeve is positioned on the periphery of the center hole, and the circle center line of the cutting sleeve and the circle center line of the center hole are arranged on the same straight line.

6. The pipe plugging structure according to claim 1, wherein: and a step is formed between the connecting cone head and the cone plug.

7. The pipe plugging structure according to claim 1, wherein: the end part of the maximum outer diameter on the connecting conical head is in clearance fit with the pipe wall of the pipeline.

8. The pipe plugging structure according to claim 1, wherein: the cutting sleeve and the inner taper sleeve are of an integrated structure.