CN210566787U

CN210566787U - Annular pressure bonding type pipeline connecting structure

Info

Publication number: CN210566787U
Application number: CN201921450915.7U
Authority: CN
Inventors: 尤胜芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-19
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a ring pressure bonding formula pipeline connection structure relates to pipe connection technical field, has solved the technical problem that prior art well ring pressure formula is connected and the card presses bonding formula to connect the easy gas leakage that leaks. The annular pressure bonding type pipeline connecting structure comprises a connecting piece body, a sealing layer and an adhesive layer, wherein the connecting piece body is provided with a socket section for the connected pipe to stretch into, and the sealing layer is arranged on the inner side wall of the socket section. The adhesive layer is used for tightly bonding the sealing layer and the connected pipe. When the connecting piece body is connected with the connected pipe, the end part of the socket section is recessed and embedded into the connected pipe, in the extrusion process of an external tool, the sealing layer in the inner cavity of the socket section can move until the inner cavity of the whole socket section is filled up due to the bearing pressure, and meanwhile, the adhesive layer is cured to tightly bond the sealing layer and the connected pipe, so that reliable sealing is realized. The utility model is used for avoid the pipe connection department gas leakage.

Description

Annular pressure bonding type pipeline connecting structure

Technical Field

The utility model belongs to the technical field of the pipe connection technique and specifically relates to a ring pressure bonding formula pipe connection structure is related to.

Background

The ring-pressing type connection is a pipeline connection mode that a sealing ring, a connecting piece body and a connected pipe are extruded into a whole by a tool. The cylindrical wide band sealing ring is sleeved on the connected pipe, the opening of the ring pressing type connecting piece body is inserted, a tool is used for applying pressure from the outside along the circumferential direction of the opening, the opening and the connected pipe are sunken and deformed together, and the sealing section of the opening is compressed, so that the connecting way that the connecting piece body and the connected pipe are fastened and sealed is achieved. However, the sealing ring is generally made of rubber, and is easy to age after being used for a period of time, so that the phenomenon of water leakage and air leakage occurs at the joint of the connecting piece body and the connected pipe.

The clamping and bonding type connecting structure mainly comprises a connecting piece body, a glue layer and a connected pipe, and is characterized in that the glue layer is uniformly coated on the outer side of the connected pipe inserted into the flaring section, then the connected pipe is inserted into the connecting piece body, the connecting piece body and the overlapped part of the connected pipe are clamped and pressed through a clamping and pressing tool, the glue layer is solidified, so that the inner wall of the connecting piece body and the outer wall of the connected pipe are tightly attached to form a sealed perfect layer, and a sealing effect is achieved. However, the connected pipes are generally made of stainless steel, and when overheated or overcooled materials are introduced, expansion with heat and contraction with cold can occur, so that gaps occur at the joints of the cured adhesive layer, the connecting piece body and the connected pipes, and water and gas leakage occurs.

Therefore, how to solve the technical problems of water and air leakage in the prior art of medium-pressure connection and press-bonding connection becomes an important technical problem to be solved by those in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ring pressure bonding formula pipeline connection structure has solved the technical problem that prior art zhonghuan pressure formula is connected and the card presses bonding formula to connect the easy gas leakage that leaks. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of ring pressure bonding formula pipeline connection structure for with be connected tubular product and be connected, include: the connecting piece body is provided with a socket section sleeved on the outer side wall of the connected pipe; the sealing layer is arranged on the inner side wall of the socket section; the adhesive layer is used for being adhered with the connected pipe and is overlapped with the sealing layer; when the connecting piece body is connected with the connected pipe, the end part of the socket section is sunken and embedded into the side wall of the connected pipe.

Preferably, the socket section comprises a first connecting section and a second connecting section which are sequentially arranged along the extending direction of the connected pipe, two ends of the first connecting section are recessed and embedded into the side wall of the connected pipe, and the second connecting section and the connected pipe are pressed in a corrugated manner.

Preferably, the first connecting section has an inner diameter greater than an inner diameter of the second connecting section.

Preferably, the anti-dropping device further comprises an anti-dropping section in interference fit with the outer side wall of the connected pipe.

Preferably, the anti-drop section is arranged at one end, far away from the opening of the socket section, of the socket section.

Preferably, the sealing layer is fixedly arranged on the inner side wall of the socket section, and the adhesive layer is fixedly arranged on the outer side wall of the connected pipe.

Preferably, an auxiliary adhesive layer is arranged between the sealing layer and the inner side wall of the socket section.

Preferably, the material of the adhesive layer is anaerobic adhesive.

Preferably, the sealing layer is made of an elastic material.

Preferably, the sealing layer is made of rubber or silicon rubber.

The utility model provides a ring crush bonding formula pipeline connection structure, including connecting piece body, sealing layer and adhesive layer, the connecting piece body is provided with the socket section for supply to be stretched into by connecting tubular product, the tip lateral wall of being connected tubular product is located to the socket cover promptly. The sealing layer is arranged on the inner side wall of the socket section and plays a role in sealing the joint of the connecting piece body and the connected pipe. The adhesive layer is used for tightly bonding the sealing layer and the connected pipe. When the connecting piece body is connected with the connected pipe, the end part of the socket section is sunken and embedded into the connected pipe, namely the end part of the socket section is sunken, the middle part of the socket section is raised, the socket section is meshed with each other and locked strongly like a screw thread, in the extrusion process of an external tool, the sealing layer in the inner cavity of the socket section moves until the inner cavity of the whole socket section is filled up due to the bearing pressure, and meanwhile, the adhesive layer is solidified to tightly bond the sealing layer and the connected pipe so as to realize reliable sealing. Therefore, the later maintenance problem and the safety loss are saved, and the technical problems of water leakage and air leakage in the middle-ring press type connection and the clamping press bonding type connection in the prior art are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a ring pressure bonding type pipe connection structure provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ring-pressing bonded pipe connection structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a ring-pressed bonded pipe connection structure according to an embodiment of the present invention;

fig. 4 is a schematic view of the position of the connecting member body and the connected pipe provided by the embodiment of the present invention.

FIG. 1-connector body; 2-a connected pipe; 3-a socket section; 301-a first connection segment; 302-a second connection segment; 4-a sealing layer; 5-an adhesive layer; 6-anti-drop section.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the utility model is to provide a ring pressure bonding formula pipeline connection structure has solved the technical problem that prior art zhonghuan pressure formula is connected and the card presses bonding formula to connect the easy gas leakage that leaks.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the utility model provides an annular pressure bonding formula pipeline connection structure for with be connected tubular product 2 and be connected, annular pressure bonding formula pipeline connection structure includes connecting piece body 1, sealing layer 4 and adhesive layer 5, and connecting piece body 1 is provided with socket section 3 for supply to be stretched into by connecting tubular product 2, and the tip lateral wall of being connected tubular product 2 is located to 3 covers in socket section promptly. The sealing layer 4 is arranged on the inner side wall of the socket section 3 and plays a role in sealing the joint of the connecting piece body 1 and the connected pipe 2. The adhesive layer 5 is used for tightly bonding the sealing layer 4 and the connected pipe 2. When the connecting piece body 1 is connected with the connected pipe 2, the end part of the bellmouth section 3 is sunken and embedded into the connected pipe 2, namely the end part of the bellmouth section 3 is sunken, the middle part of the bellmouth section 3 is raised upwards and is mutually engaged and strongly locked like screw threads, in the extrusion process of an external tool, the sealing layer 4 in the inner cavity of the bellmouth section 3 moves until the inner cavity of the whole bellmouth section 3 is filled up due to pressure bearing, meanwhile, the adhesive layer 5 is solidified to tightly bond the sealing layer 4 and the connected pipe 2 so as to realize reliable sealing, so that the annular pressure type connection and the clamping pressure bonding type connection are combined, the adhesive layer 5 can play a certain role in slowing down and remedying the easy aging of the sealing layer 4, the sealing layer 4 has certain elasticity and plays a certain role in buffering and sealing the rigid connection between the connecting piece body 1 and the connected pipe 2 so as to ensure that the sealing of the adhesive layer 5 is not easily damaged, the technical problems that in the prior art, water leakage and air leakage are easy to occur in medium-ring pressure type connection and clamping pressure bonding type connection are solved.

The specification of the connector body 1 can be DN15 to DN100, and DN is the nominal diameter of the socket section 3. The connector body 1 may be provided with a plurality of connected socket sections 3 for connecting a plurality of connected pipes 2.

Referring to fig. 2-4, as the embodiment of the utility model provides an optional implementation mode, bellmouth section 3 includes first linkage segment 301 and second linkage segment 302, first linkage segment 301 and second linkage segment 302 set gradually along being connected tubular product 2 and stretching into the direction, first linkage segment 301 is extruded by outside instrument, make the recessed embedding in both ends by connecting tubular product 2 lateral wall, second linkage segment 302 and by being connected carry out the ripple pressfitting by outside instrument between the tubular product 2, first linkage segment 301 uses the pressfitting mode that the ring pressure formula is connected promptly, second linkage segment 302 uses the extrusion mode that card pressure adhesive type connects, both combine to seal, double seal pressfitting is more secure, make the junction be difficult for leaking more. Alternatively, the sealing layer 4 and the adhesive layer 5 are provided only in the first connecting section 301, as shown in fig. 2; optionally, the first connecting section 301 and the second connecting section 302 are both provided with an adhesive layer 5, and only the first connecting section 301 is provided with a sealing layer 4; optionally, a sealing layer 4 and an adhesive layer 5 are disposed in each of the first connecting section 301 and the second connecting section 302, as shown in fig. 1; preferably, a sealing layer 4 and an adhesive layer 5 are arranged in each of the first connecting section 301 and the second connecting section 302.

Further, when the inner diameter of the second connection section 302 or the second connection section 302 is provided with the sealing layer 4, the inner diameter of the sealing layer 4 may be equal to the outer diameter of the connected pipe 2, so that the first connection section 302 and the connected pipe 2 are easy to be connected, or the side walls of the sealing layer 4 and the connected pipe 2 are still tightly attached and sealed after the corrugated pressing. The inner diameter of the first connecting section 301 is larger than that of the second connecting section 302, namely, a gap is arranged between the first connecting section 301 and the connected pipe 2, so that two ends of the first sealing section are easy to be concave, and a sealing inner cavity is formed after the middle of the first sealing section is convex.

Referring to fig. 1, as the embodiment of the utility model provides an optional implementation mode, the utility model discloses still include anticreep section 6, anticreep section 6 with by the lateral wall interference fit of connecting tubular product 2, when being connected tubular product 2 and stretching into socket section 3, anticreep section 6 with by the 2 contact cooperation of connecting tubular product, carry out the chucking location to it.

Further, anticreep section 6 sets up in socket section 3 and keeps away from self open-ended one end, and anticreep section 6 sets up in socket section 3 inboardly promptly, avoids anticreep section 6 to influence the connection of other parts.

As the embodiment of the utility model provides an optional embodiment, sealing layer 4 and the fixed setting of 3 inside walls of bellmouth section, adhesive layer 5 with by the fixed setting of 2 lateral walls of connecting tubular product, sealing layer 4 can the snap-on promptly in the 3 inside walls of bellmouth section to avoid sealing layer 4 to remove at will, influence sealed effect. The adhesive layer 5 can be directly coated on the outer side wall of the connected pipe 2, and the operation and the arrangement are convenient.

Furthermore, an auxiliary adhesive layer is arranged between the sealing layer 4 and the inner side wall of the socket section 3, namely the sealing layer 4 and the inner side wall of the socket section 3 are fixedly bonded, so that the use is convenient.

As the optional implementation mode of the embodiment of the utility model, the material of the adhesive layer 5 is anaerobic adhesive, which can be used for both bonding and sealing. When the glue coating surface is isolated from air and can be rapidly polymerized and cured at room temperature under the catalysis condition, namely, after the end part of the socket section 3 is sunken and embedded into the side wall of the connected pipe 2, a sealing inner cavity is formed, so that the anaerobic glue can be cured, and the sealing effect is good.

As the embodiment of the utility model provides an optional implementation mode, the material of sealing layer 4 is the elasticity material, to connecting piece body 1 with by the rigid connection between the connected tubular product 2 play the buffering sealed effect.

Furthermore, the sealing layer 4 is made of rubber or silicon rubber, has good elasticity, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. The silicone rubber has outstanding heat resistance and can still endure elasticity for a plurality of weeks or more at high temperature.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an annular pressure bonding formula pipeline connection structure for be connected with connected tubular product (2), its characterized in that includes:

the connecting piece body (1) is provided with a socket section (3) sleeved on the outer side wall of the connected pipe (2);

the sealing layer (4) is arranged on the inner side wall of the socket section (3);

the adhesive layer (5) is used for being adhered to the connected pipe (2) and is overlapped with the sealing layer (4);

when the connecting piece body (1) is connected with the connected pipe (2), the end part of the socket section (3) is recessed and embedded into the side wall of the connected pipe (2).

2. The annular pressure bonding type pipeline connecting structure according to claim 1, wherein the socket section (3) comprises a first connecting section (301) and a second connecting section (302) which are sequentially arranged along the extending direction of the connected pipe (2), two ends of the first connecting section (301) are recessed and embedded into the side wall of the connected pipe (2), and the second connecting section (302) and the connected pipe (2) are in corrugated press fit.

3. The pipe connecting structure according to claim 2, wherein the first connecting section (301) has an inner diameter larger than that of the second connecting section (302).

4. The ring crush bonded pipe connection structure according to claim 1, further comprising a disengagement prevention section (6) which is in interference fit with an outer side wall of the connected pipe (2).

5. An annular pressure bonding type pipeline connecting structure according to claim 4, wherein the anti-drop section (6) is arranged at one end of the socket section (3) far away from the opening of the socket section.

6. The ring crush bonded type pipeline connecting structure according to claim 1, wherein the sealing layer (4) is fixedly arranged on the inner side wall of the socket section (3), and the adhesive layer (5) is fixedly arranged on the outer side wall of the connected pipe (2).

7. An annular pressure bonding type pipeline connecting structure according to claim 6, wherein an auxiliary adhesive layer is arranged between the sealing layer (4) and the inner side wall of the socket section (3).

8. The ring crush bonded pipe connection structure according to claim 1, wherein the adhesive layer (5) is made of anaerobic adhesive.

9. An annular pressure bonding type pipeline connecting structure according to claim 1, wherein the sealing layer (4) is made of an elastic material.

10. The ring-pressure bonded pipe connection structure according to claim 9, wherein the sealing layer (4) is made of rubber or silicone rubber.