CN111188958A

CN111188958A - Reverse pressure type connector for non-metal pipeline

Info

Publication number: CN111188958A
Application number: CN202010017347.2A
Authority: CN
Inventors: 何礼君
Original assignee: Individual
Current assignee: Xia Ting
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-05-22
Anticipated expiration: 2040-01-08
Also published as: CN111188958B

Abstract

The invention relates to the technical field of connecting equipment of non-metal pipelines and discloses a reverse pressure type connector for the non-metal pipelines, which comprises the non-metal pipelines, an inner ring mechanism and an outer ring mechanism, wherein the inner wall of one end of each non-metal pipeline is clamped with the inner ring mechanism, the outer surface of one end of each non-metal pipeline is fixedly sleeved with the outer ring mechanism, and the non-metal pipelines and the outer ring mechanisms are clamped through locking screws with round heads at one ends. This a reverse pressure formula connector for non-metallic pipeline, through the setting of inner ring mechanism and outer loop mechanism, can form a stable support ring and come it to strut when connecting two sets of non-metallic pipeline on its inner wall for the leakproofness of outer loop mechanism when the non-metallic pipeline of installation joint is better, can not take place anomalous deformation because of its pipe wall receives the extrusion and cause the phenomenon that fluid wherein takes place to leak, and then the effectual security and the steadiness that have improved this connector when connecting two sets of non-metallic pipeline.

Description

Reverse pressure type connector for non-metal pipeline

Technical Field

The invention relates to the technical field of connecting equipment of non-metal pipelines, in particular to a reverse pressure type connector for a non-metal pipeline.

Background

At present, in order to control the manufacturing quality of pipelines and the convenience of the pipelines in transportation, the lengths of all large-caliber pipelines are standardized when the pipelines leave a factory, so that the same type of pipelines need to be clamped together when the pipelines are used for long-distance transportation, and the proper distance length is achieved.

But current pipe connection is usually all realized through pressing from both sides tight clamp or pipe clamp, this kind of connected mode has better connection effect when connecting metal pipeline, but when connecting non-metallic pipe, because non-metallic pipe has certain elasticity, at the in-process that utilizes to press from both sides tight clamp or pipe clamp to connect and lock, because the extrusion can lead to the pipe wall of pipeline to take place anomalous deformation because of the atress is inhomogeneous, and then fine gap appears when connecting non-metallic pipe, sealed effect and steadiness to pipe connection are relatively poor, the phenomenon of leaking appears under the pressure effect of fluid, stability and reliability are lower, there is great potential safety hazard to the pipe-line transportation of some hazardous materials.

Disclosure of Invention

Technical problem to be solved

The invention provides a reverse pressure type connector for non-metal pipelines, which has the advantages of better sealing property, higher stability and firmness and better safety when two groups of pipelines are connected, solves the problem that the existing pipeline connection is usually realized by clamping a hoop or a pipe hoop, the connection mode has better connection effect when connecting the metal pipelines, but when connecting the nonmetal pipelines, because the nonmetal pipelines have certain elasticity, in the process of connecting and locking by using a clamping hoop or a pipe hoop, the pipe wall of the pipeline is irregularly deformed due to uneven stress caused by extrusion, so that fine gaps are formed when the nonmetal pipeline is connected, the sealing effect and the stability of the pipeline connection are poor, the leakage phenomenon occurs under the pressure action of the fluid, and the stability and the reliability are low.

(II) technical scheme

The invention provides the following technical scheme: a reverse pressure type connector for a non-metal pipeline comprises the non-metal pipeline, an inner ring mechanism and an outer ring mechanism, wherein the inner wall of one end of the non-metal pipeline is clamped with the inner ring mechanism, the outer surface of one end of the non-metal pipeline is fixedly sleeved with the outer ring mechanism, and the non-metal pipeline and the outer ring mechanism are clamped through a locking screw with a round head at one end;

the inner ring mechanism comprises annular clamping sleeves I, countersunk bolts and annular clamping sleeves II, the number of the annular clamping sleeves I and the number of the annular clamping sleeves II are respectively four, the positions of the four groups of annular clamping sleeves I and the four groups of annular clamping sleeves II are mutually staggered and are fixedly connected into an annular shape through the countersunk bolts, and the outer surfaces of the annular clamping sleeves I and the annular clamping sleeves II are clamped with the inner wall of the nonmetal pipeline;

the outer loop mechanism includes the outer loop flange, one side of outer loop flange inner chamber is equipped with the inscription rand, and the even fixed logical groove that is equipped with three groups and runs through of opposite side of outer loop flange inner chamber, the inner wall joint of outer loop flange and non-metal pipeline's surface.

Preferably, annular cutting ferrule I is including fixed fixture block I, the top of fixed fixture block I is equipped with two sets of trapezoidal retaining rings I, and the same limited card line I of radian rather than seted up in the front of trapezoidal retaining ring I.

Preferably, the annular clamping sleeve II comprises a fixed clamping block II, a limiting wing plate is fixedly mounted at the top of the front face of the fixed clamping block II, two groups of trapezoidal retaining rings II are arranged at the top end of the fixed clamping block II, a limiting clamping line II with the same radian as the fixed clamping block II is arranged on the front face of the fixed clamping block II, and the four groups of fixed clamping blocks I211 and the four groups of fixed clamping blocks II 231 are staggered and fixedly connected into an annular shape through countersunk bolts 22.

Preferably, the top ends of the fixed clamping block I and the fixed clamping block II are both provided with an inclined plane structure, and the inclined planes of the inclined planes extend outwards.

(III) advantageous effects

The invention has the following beneficial effects:

1. this a reverse pressure formula connector for non-metallic pipeline, through the setting of inner ring mechanism and outer loop mechanism, can form a stable support ring and come it to strut when connecting two sets of non-metallic pipeline on its inner wall for the leakproofness of outer loop mechanism when the non-metallic pipeline of installation joint is better, can not take place anomalous deformation because of its pipe wall receives the extrusion and cause the phenomenon that fluid wherein takes place to leak, and then the effectual security and the steadiness that have improved this connector when connecting two sets of non-metallic pipeline.

2. This a reverse pressure formula connector for non-metallic pipeline to the setting of trapezoidal retaining ring II in trapezoidal retaining ring I for inner ring mechanism joint can effectually extrude non-metallic pipeline's inner wall and make it take place elastic deformation when on non-metallic pipeline's inner wall, makes inner ring mechanism can not take place relative slip under the fluidic impact in non-metallic pipeline inner chamber, and then the effectual fastness and the stability that improves inner ring mechanism when the joint supports.

3. This a reverse pressure formula connector for non-metallic pipeline to the setting of fixed fixture block I and II top inclined plane structures of fixed fixture block for certain pulling force can be born to inner ring mechanism when the extrusion supports non-metallic pipeline's inner wall, makes two sets of non-metallic pipeline after the connection difficult emergence of dragging, change the in-process of orbit become flexible, take off the phenomenon of leaking.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic structural diagram of the inner ring mechanism of the present invention;

FIG. 4 is a schematic structural view of the annular ferrule I of the present invention;

FIG. 5 is a schematic structural view of an annular cutting ferrule II of the present invention;

FIG. 6 is a schematic structural diagram of an outer ring mechanism of the present invention;

fig. 7 is a cross-sectional view of the outer ring mechanism of the structure of the present invention.

In the figure: 1. a non-metallic conduit; 2. an inner ring mechanism; 21. an annular clamping sleeve I; 211. fixing the fixture block I; 212. a trapezoidal retainer ring I; 213. limiting a clamping line I; 22. a countersunk bolt; 23. an annular cutting sleeve II; 231. fixing a fixture block II; 232. defining a wing panel; 233. a trapezoidal retainer ring II; 234. limiting a clamping line II; 3. an outer ring mechanism; 31. an outer ring flange; 32. an inner connecting clamping ring; 33. and fixing the through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a reverse pressure type connector for a non-metal pipeline includes a non-metal pipeline 1, an inner ring mechanism 2 and an outer ring mechanism 3, wherein the inner wall of one end of the non-metal pipeline 1 is clamped with the inner ring mechanism 2, the outer surface of one end of the non-metal pipeline 1 is fixedly sleeved with the outer ring mechanism 3, and the non-metal pipeline 1 and the outer ring mechanism 3 are clamped with each other through a locking screw with a round head at one end;

the inner ring mechanism 2 comprises annular clamping sleeves I21, countersunk head bolts 22 and annular clamping sleeves II 23, the number of the annular clamping sleeves I21 and the number of the annular clamping sleeves II 23 are four, the positions of the four groups of annular clamping sleeves I21 and the positions of the four groups of annular clamping sleeves II 23 are mutually staggered and fixedly connected into an annular shape through the countersunk head bolts 22, and the outer surfaces of the annular clamping sleeves I21 and the annular clamping sleeves II 23 are clamped with the inner wall of the nonmetal pipeline 1;

the outer ring mechanism 3 comprises an outer ring flange 31, an inner connecting clamping ring 32 is arranged on one side of the inner cavity of the outer ring flange 31, three groups of penetrating fixing through grooves 33 are uniformly arranged on the other side of the inner cavity of the outer ring flange 31, and the inner wall of the outer ring flange 31 is clamped with the outer surface of the nonmetal pipeline 1.

Wherein, to the setting of inner ring mechanism 2 and outer loop mechanism 3, can form a stable support ring and come it to strut on its inner wall when connecting two sets of non-metallic pipe 1 for outer loop mechanism 3 can not take place anomalous deformation because of the extrusion and cause the phenomenon that fluid wherein takes place to leak when the non-metallic pipe 1 of installation joint, and then the effectual steadiness and the reliability that have improved this connector when connecting two sets of non-metallic pipe 1.

In this technical scheme, annular cutting ferrule I21 is equipped with two sets of trapezoidal retaining rings I212 including fixed fixture block I211, the top of fixed fixture block I211, and the front of trapezoidal retaining ring I212 is seted up the same limited card line I213 rather than the radian.

Wherein, to the setting of trapezoidal retaining ring I212 in the fixed fixture block I211 for annular cutting ferrule I21 joint can extrude non-metallic pipeline 1's inner wall and make it take place elastic deformation when on non-metallic pipeline 1's inner wall, makes inner ring mechanism 2 can not take place relative slip under the fluidic impact in non-metallic pipeline 1 inner chamber, and then effectual fastness and the stability of improving inner ring mechanism 2 when the joint supports.

In this technical scheme, annular cutting ferrule II 23 is including fixed fixture block II 231, and the positive top fixed mounting of fixed fixture block II 231 has injectd pterygoid lamina 232, and the top of fixed fixture block II 231 is equipped with two sets of trapezoidal retaining rings II 233, and the same injectd card line II 234 of radian is seted up rather than the front of fixed fixture block II 231, and the position between four fixed fixture blocks of group I211 and four fixed fixture blocks of group II 231 staggers each other and connects into an annular through countersunk bolt 22 fixed connection.

Wherein, to the setting of injecing pterygoid lamina 232, can effectual injecing nonmetal pipeline 1's extension length for two sets of nonmetal pipelines 1 can not take place mutual extrusion, conflict when connecting, and then improve the compactness of two sets of nonmetal pipelines 1 when connecting.

Wherein, to the setting of the restriction card line II 234 on the fixed fixture block II 231, the circularity of inner ring mechanism 2 when strutting can be effectively controlled to cooperation restriction card line I213 on the fixed fixture block I211 to ensure that inner ring mechanism 2 is a complete ring structure when strutting, make its atress on every side comparatively even, further improvement this pipe connection's stability and reliability.

In this technical scheme, the top of fixed fixture block I211 and fixed fixture block II 231 all is equipped with the inclined plane structure and the direction on its inclined plane extends to the outside.

Wherein, to the setting of fixed fixture block I211 and fixed fixture block II 231 top inclined plane structure for inner ring mechanism 2 can bear certain pulling force when the extrusion supports non-metallic pipe 1's inner wall, makes two sets of non-metallic pipe 1 after the connection difficult emergence not hard up, the phenomenon of taking off the hourglass at the in-process of dragging, change orbit.

The use method and the working principle of the embodiment are as follows:

firstly, grinding one end of the non-metal pipeline 1 to be connected, then clamping an annular clamping sleeve I21 and an annular clamping sleeve II 23 which are not locked on the inner wall of one end of the non-metal pipeline, then clamping an outer ring flange 31 on the outer surface of the same end of the non-metal pipeline 1, simultaneously ensuring that the surface of one end of the non-metal pipeline 1 supports against the inner wall of a limited wing plate 232, fixing the non-metal pipeline 1 on the outer surface of one end of the non-metal pipeline 1 by using a round head locking screw with one end being a round head, then screwing a countersunk head bolt 22 to drive the annular clamping sleeve I21 to extrude the annular clamping sleeve II 23 outwards so that a trapezoidal check ring I212 and a trapezoidal check ring II 233 on the annular clamping sleeve I21 are opened outwards and extend into the non-metal pipeline 1 until a limited check line II 234 on the annular clamping sleeve II 23 and a limited check line I213 on the annular clamping sleeve I21 are positioned to form a complete circle, and, and then repeating the steps at one end of the other group of non-metal pipelines 1, installing the other group of connectors, and finally fixing the two groups of connectors by using bolts to complete the communication and fixation of the two groups of non-metal pipelines 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reverse pressure formula connector for non-metallic pipeline, includes non-metallic pipeline (1), inner ring mechanism (2) and outer loop mechanism (3), the inner wall joint of non-metallic pipeline (1) one end has inner ring mechanism (2), the fixed cover of surface of non-metallic pipeline (1) one end has connect outer loop mechanism (3) and non-metallic pipeline (1) and outer loop mechanism (3) between be the locking screw joint of button head through one end, its characterized in that:

the inner ring mechanism (2) comprises annular clamping sleeves I (21), countersunk head bolts (22) and annular clamping sleeves II (23), the number of the annular clamping sleeves I (21) and the number of the annular clamping sleeves II (23) are four, the positions of the four groups of annular clamping sleeves I (21) and the four groups of annular clamping sleeves II (23) are staggered with each other and fixedly connected into an annular shape through the countersunk head bolts (22), and the outer surfaces of the annular clamping sleeves I (21) and the annular clamping sleeves II (23) are clamped with the inner walls of the nonmetal pipelines (1);

outer loop mechanism (3) are including outer loop flange (31), one side of outer loop flange (31) inner chamber is equipped with inscription rand (32), and the even fixed logical groove (33) that are equipped with three groups and run through of opposite side in outer loop flange (31) inner chamber, the inner wall of outer loop flange (31) is connected with the surface joint of non-metal pipeline (1).

2. A back pressure type connector for non-metallic conduit as claimed in claim 1, wherein: annular cutting ferrule I (21) is including fixed fixture block I (211), the top of fixed fixture block I (211) is equipped with two sets of trapezoidal retaining rings I (212), and the front of trapezoidal retaining ring I (212) is seted up and is blocked line I (213) rather than the same limited of radian.

3. A back pressure type connector for non-metallic conduit as claimed in claim 1, wherein: the annular clamping sleeve II (23) comprises a fixed clamping block II (231), a limiting wing plate (232) is fixedly mounted at the top of the front face of the fixed clamping block II (231), two groups of trapezoidal retaining rings II (233) are arranged at the top end of the fixed clamping block II (231), a limiting clamping line II (234) with the same radian as the fixed clamping block II is arranged on the front face of the fixed clamping block II (231), and the positions of the four groups of fixed clamping blocks I (211) and the four groups of fixed clamping blocks II (231) are mutually staggered and fixedly connected into an annular shape through countersunk bolts (22).

4. A back pressure type connector for non-metallic conduit as claimed in claim 3, wherein: the top of fixed fixture block I (211) and fixed fixture block II (231) all is equipped with the inclined plane structure and the direction on its inclined plane extends to the outside.