CN215950739U - Connecting structure of low-pressure pipe - Google Patents
Connecting structure of low-pressure pipe Download PDFInfo
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- CN215950739U CN215950739U CN202121269410.8U CN202121269410U CN215950739U CN 215950739 U CN215950739 U CN 215950739U CN 202121269410 U CN202121269410 U CN 202121269410U CN 215950739 U CN215950739 U CN 215950739U
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- tubular socket
- tubulose
- spare
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Abstract
The utility model relates to the technical field of pipeline connection, in particular to a connection structure of low-pressure pipes. The utility model provides a connection structure of low pressure tubular product, including tubulose socket spare and with tubulose socket spare matched with tubulose socket spare, the one end of tubulose socket spare is inserted in the tubulose socket spare, just tubulose socket spare with be equipped with a plurality of first annular grooves on the outer wall of the one end that the tubulose socket spare links to each other, be equipped with first adhesive linkage in the first annular groove, first adhesive linkage with the tubulose socket spare realizes good bonding, with socket spare cohesiveness is relatively poor. One end of the tubular socket piece is inserted into the tubular socket piece, one end of the first bonding layer is bonded with the tubular socket piece, the socket at the other end of the first bonding layer is bonded and is positioned in the first annular groove, relative movement of the tubular socket piece and the tubular socket piece can be limited after the bonding layer is cured, the tubular socket piece is prevented from sliding out of the tubular socket piece, and sealed and firm connection of the socket and the socket is achieved.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a connection structure of low-pressure pipes.
Background
Part of plastic materials in the existing industry are nonpolar materials with extremely low surface energy, and the bonding strength of welding or bonding at normal temperature is low, so when pressure pipelines produced by the materials are connected, heating and high-temperature welding are generally adopted, but the welding method is slow in connection speed and has the problem of high cost. The Chinese patent application, publication number is: CN209430933U discloses a glass steel pipe's conical surface bonding connecting device, its main technical scheme is equipped with first socket conical surface at the end of glass steel pipe socket, be equipped with the second socket conical surface on the left side of first socket conical surface, the end of glass steel pipe socket is equipped with the first bellmouth conical surface, the right side of first bellmouth conical surface is equipped with the second bellmouth conical surface, glass steel pipe socket inserts in glass steel pipe socket, the first socket conical surface inserts and connects in the cooperation of second bellmouth conical surface department, be equipped with thin glue film between first socket conical surface and the second bellmouth conical surface, the second socket conical surface inserts and connects in the cooperation of first bellmouth conical surface department, be equipped with thick glue film between second socket conical surface and the first bellmouth conical surface. The socket end and the socket joint of the disclosed technical scheme are both required to be designed into conical surface structures with different pipe diameters, and the problems of slow connection and high cost still exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting structure of low-pressure pipes, aiming at overcoming the problems of low connecting speed and high cost in the prior art when the low-pressure plastic pipes made of non-polar materials are connected.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a connection structure of low pressure tubular product, including tubulose socket spare and with tubulose socket spare matched with tubulose socket spare, the one end of tubulose socket spare is inserted in the tubulose socket spare, just tubulose socket spare with be equipped with a plurality of first annular grooves on the outer wall of the one end that the tubulose socket spare links to each other, the first adhesive linkage that is equipped with in the first annular groove, first adhesive linkage with tubulose socket spare bonds mutually.
In this technical scheme, insert the one end of tubulose socket spare to tubulose socket spare in, the first adhesive linkage in the first annular groove bonds with the inner wall of tubulose socket spare mutually on this end, the one end and the tubulose socket spare of first adhesive linkage bond mutually, the other end of first adhesive linkage is located first annular groove, the relative movement of injecing tubulose socket spare and tubulose socket spare that can be fine, and then prevent tubulose socket spare roll-off from tubulose socket spare, realize the sealed firm connection of socket and socket. The utility model has simple structure, can quickly connect the low-pressure plastic pipe made of non-polar material with the polar plastic pipe fitting, has lower requirement on construction conditions and saves the cost of materials.
Preferably, a second bonding layer used for being bonded with the inner wall of the tubular socket piece is arranged on the outer wall of the tubular socket piece, and the second bonding layer is connected with the first bonding layer. In this technical scheme, setting up of second adhesive linkage has increased the adhesion of tubulose socket spare and tubulose socket spare, makes tubulose socket spare and the more stable connection of tubulose socket spare, and simultaneously, first adhesive linkage links to each other with the second adhesive linkage and can makes its seal ring that forms an organic whole, can increase sealed effect and adhesive strength between tubulose socket spare and the tubulose socket spare like this.
Preferably, the first adhesive layer and the second adhesive layer each comprise a curable fluid adhesive. It should be noted that the adhesive is in a fluid state just after being disposed on the outer wall of the tubular socket, wherein the first annular groove is filled with the adhesive, and after the tubular socket is inserted into the tubular socket to a predetermined position, the adhesive is cured, the other end of the adhesive is bonded to the inner wall of the tubular socket, and the first adhesive layer and the second adhesive layer form an integrated adhesive layer. In the technical scheme, the bonding layer formed by the first bonding layer and the second bonding layer fills the gap between the tubular socket piece and the tubular socket piece, so that the sealing effect can be well achieved.
Preferably, a third adhesive layer is arranged on the inner wall of the tubular mouthpiece, and the third adhesive layer is used for being adhered to the first adhesive layer or the second adhesive layer. In practice, the bonding of the polar plastic tube to the non-polar plastic tube by the adhesive is tighter than the direct bonding of the polar plastic tube to the adhesive. In the technical scheme, the arrangement of the third bonding layer can enable the tubular socket piece and the tubular socket piece to be connected more tightly.
Preferably, a plurality of second annular grooves are formed in the inner wall of the tubular mouthpiece, and the third bonding layer is arranged in the second annular grooves. It is noted that the third adhesive layer also comprises a curable fluid adhesive, the adhesive in the third adhesive layer being in a fluid state when the tubular socket member is inserted into the tubular socket member. In this technical scheme, solidify when first adhesive linkage, second adhesive linkage and third adhesive linkage and bond and form integratively, be located first adhesive linkage and tubulose socket joint in first annular groove, be located the third adhesive linkage in the second annular groove with tubulose socket joint has further strengthened the stability of being connected between tubulose socket and the tubulose socket like this.
Preferably, when the tubular socket piece is connected with the tubular socket piece, the second annular groove and the first annular groove are arranged in a staggered mode. In this technical solution, the stability of being connected between tubular socket piece and the tubular socket piece can be strengthened to the design like this.
Preferably, the inner wall of the tubular mouthpiece is provided with a locating ring for defining the insertion position of the tubular socket.
Preferably, the height of the positioning ring is less than or equal to the thickness of the tubular socket member. In the technical scheme, the positioning of the tubular socket piece can be completed on the premise of not influencing the flow in the tubular socket piece.
Preferably, the tubular socket member is of a different material to the tubular socket member. In this technical scheme, tubulose socket spare is the plastic tubing of the extremely low non-polar material of surface energy, tubulose socket spare is the polarity plastic tubing, first adhesive linkage has good adhesion with the polarity plastic tubing, the adhesion of first adhesive linkage and non-polar material's plastic tubing is relatively poor simultaneously, the one end and the tubulose socket spare of first adhesive linkage bond mutually, the other end of first adhesive linkage is arranged in first annular groove, the relative movement of limited tubulose socket spare that can be fine and tubulose socket spare, and then prevent tubulose socket spare roll-off from the tubulose socket spare.
Preferably, the tubular socket member has a taper of less than 1 ° and the tubular socket member is an interference fit when in female connection therewith.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, one end of the tubular socket piece is inserted into the tubular socket piece, the first bonding layer in the first annular groove on the end is bonded with the inner wall of the tubular socket piece, one end of the first bonding layer is bonded with the tubular socket piece, the other end of the first bonding layer is positioned in the first annular groove, and after the first bonding layer is cured, the relative movement of the tubular socket piece and the tubular socket piece can be well limited, so that the tubular socket piece is prevented from sliding out of the tubular socket piece, and the sealed and firm connection of the socket and the socket is realized. The utility model has simple structure and can quickly connect the low-pressure plastic pipe made of non-polar material with the polar plastic pipe fitting.
Drawings
FIG. 1 is a partial schematic view showing the structure of the connection structure of the low pressure pipe material of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a partial structural view of the pipe in the connection structure of the low pressure pipe of the present invention.
In the drawings: 1. a tubular socket member; 2. a tubular mouthpiece; 3. a first annular groove; 7. a second annular groove; 8. a positioning ring; 9. and (6) chamfering.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:
examples
As shown in fig. 1 to 3, a connecting structure for low-pressure pipes includes a tubular socket 1 and a tubular socket 2 fitted to the tubular socket 1, one end of the tubular socket 1 is inserted into the tubular socket 2, a plurality of first annular grooves 3 are provided on the outer wall of the end of the tubular socket 1 connected to the tubular socket 2, and a first adhesive layer is provided in the first annular grooves 3 and can be bonded to the tubular socket 2. In this embodiment, one end of the tubular socket 1 is inserted into the tubular socket 2, the first adhesive layer in the first annular groove 3 at the end is adhered to the inner wall of the tubular socket 2, one end of the first adhesive layer is adhered to the tubular socket 2, and the other end of the first adhesive layer is located in the first annular groove 3, so that the first adhesive layer and the relative movement between the tubular socket 2 and the tubular socket can be well limited, the tubular socket 1 is prevented from sliding out of the tubular socket 2, and the sealed and firm connection between the socket and the socket is realized. The utility model has simple structure and can quickly connect the low-pressure plastic pipe made of non-polar material with the polar plastic pipe.
Wherein, the outer wall of the tubular socket piece 1 is provided with a second bonding layer which is used for being bonded with the inner wall of the tubular socket piece 2, and the second bonding layer is connected with the first bonding layer. In this embodiment, the second adhesive layer increases the adhesive force between the tubular socket member 1 and the tubular socket member 2, so that the tubular socket member 1 and the tubular socket member 2 are more stably connected, and the first adhesive layer and the second adhesive layer are connected to form an integrated sealing ring, so that the sealing effect and the adhesive strength between the tubular socket member and the tubular socket member can be increased.
In addition, the first bonding layer and the second bonding layer each include a curable fluid adhesive. It should be noted that the adhesive is in a fluid state just after being disposed on the outer wall of the tubular socket 1, wherein the first annular groove 3 is filled with the adhesive, and after the tubular socket 1 is inserted into the tubular socket 2 to a predetermined position, the adhesive is cured, and the other end of the adhesive is bonded to the inner wall of the tubular socket 2, and at the same time, the first adhesive layer and the second adhesive layer form an integrated adhesive layer. In this embodiment, the adhesive layer formed by the first adhesive layer and the second adhesive layer fills the gap between the tubular socket 1 and the tubular socket 2, so as to achieve a good sealing effect.
Wherein, the inner wall of the tubular mouthpiece 2 is provided with a third adhesive layer which is used for being adhered with the first adhesive layer and the second adhesive layer. In practice, the bonding of the polar plastic tube to the non-polar plastic tube by the adhesive is tighter than the direct bonding of the polar plastic tube to the adhesive. In this embodiment, the provision of the third adhesive layer makes it possible to connect the tubular socket member 1 with the tubular socket member 2 more tightly.
In addition, a plurality of second annular grooves 7 are formed in the inner wall of the tubular mouthpiece 2, and a third bonding layer is arranged in the second annular grooves 7. It should be noted that the third adhesive layer also comprises a curable fluid adhesive, the adhesive in the third adhesive layer being in a fluid state when the tubular socket member 1 is inserted into the tubular socket member 2. In this embodiment, when the first adhesive layer, the second adhesive layer and the third adhesive layer are cured and bonded to form a whole, the first adhesive layer located in the first annular groove 3 is clamped with the tubular socket 1, and the third adhesive layer located in the second annular groove 7 is clamped with the tubular socket 2, so as to further enhance the stability of the connection between the tubular socket 2 and the tubular socket 1.
Wherein, when the tubular socket piece 1 is connected with the tubular socket piece 2, the second annular groove 7 and the first annular groove 3 are arranged in a staggered way. In this embodiment, this design may enhance the stability of the connection between the tubular mouthpiece 2 and the tubular socket 1.
In addition, the inner wall of the tubular socket 2 is provided with a positioning ring 8 for defining the insertion position of the tubular socket 1. In this solution, when the port of the tubular socket 1 abuts against the positioning ring 8, the first annular groove 3 and the second annular groove 7 form a misalignment.
Wherein the height of the positioning ring 8 is less than or equal to the thickness of the pipe wall of the tubular socket piece 1. In this embodiment, this arrangement allows the positioning of the tubular socket member to be accomplished without affecting the flow rate in the tubular socket member.
In addition, the material of the tubular socket member 1 is different from that of the tubular socket member 2. In the embodiment, the tubular socket member 1 is a plastic pipe made of a nonpolar material with extremely low surface energy, the tubular socket member 2 is a polar plastic pipe, the first adhesive layer has good adhesion with the polar plastic pipe, meanwhile, the first adhesive layer has poor adhesion with the plastic pipe made of the nonpolar material, one end of the first adhesive layer is adhered to the tubular socket member 2, and the other end of the first adhesive layer is located in the first annular groove 3, so that relative movement between the tubular socket member 2 and the tubular socket member 1 can be well limited, and the tubular socket member 1 is prevented from sliding out of the tubular socket member 2.
Wherein the tubular socket piece 1 has a taper of less than 1 ° and the tubular socket piece 2 is in interference fit with its socket connection.
In addition, in the present embodiment, the depth of the first annular groove 3 is between 0.2mm and 0.5 mm. The tubular socket piece 1 can be well connected with the tubular socket piece 2 by fully coating the adhesive in the first annular groove 3 from 0.2mm to 0.5mm, so that the first annular groove 3 is easy to cut, the amount of the adhesive added into the first annular groove 3 is small, and the cost required by the device is reduced.
Meanwhile, the port of the tubular socket member 1 at the end provided with the first annular groove 3 is provided with a chamfer 9. In this embodiment, the chamfer 9 makes it easier to insert the tubular socket 1 into the tubular socket 2, while, during insertion of the tubular socket 1, the chamfer 9 is also provided with a curable fluid adhesive which, after insertion of the tubular socket 1 into the tubular socket 2, cures and bonds with the tubular socket 2, further ensuring the tightness of the connection of the tubular socket 1 to the tubular socket 2.
The working principle is as follows:
according to the utility model, one end of the tubular socket piece 1 is inserted into the tubular socket piece 2, a first bonding layer in the first annular groove 3 on the end is bonded with the inner wall of the tubular socket piece 2, one end of the first bonding layer is bonded with the tubular socket piece 2, the other end of the first bonding layer is positioned in the first annular groove 3, and after the bonding layer is cured, the relative movement of the tubular socket piece 2 and the tubular socket piece 1 can be well limited, so that the tubular socket piece 1 is prevented from sliding out of the tubular socket piece 2, and the sealed and firm connection of the socket and the socket is realized. The utility model has simple structure and can quickly connect the low-pressure plastic pipe made of non-polar material with the polar plastic pipe.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A connection structure of low pressure tubular product which characterized in that: including tubulose socket spare (1) and with tubulose socket spare (1) matched with tubulose socket spare (2), the one end of tubulose socket spare (1) is inserted in tubulose socket spare (2), tubulose socket spare (1) with be equipped with a plurality of first annular grooves (3) on the outer wall of the one end that tubulose socket spare (2) link to each other, be equipped with first adhesive linkage in first annular groove (3), first adhesive linkage with tubulose socket spare (2) bond mutually.
2. The connection structure of low pressure pipes according to claim 1, wherein: the outer wall of the tubular socket piece (1) is provided with a second bonding layer used for being bonded with the inner wall of the tubular socket piece (2), and the second bonding layer is connected with the first bonding layer.
3. The connection structure of low pressure pipes according to claim 2, wherein: the first bonding layer and the second bonding layer each comprise a curable fluid adhesive.
4. The connection structure of low pressure pipes according to claim 2, wherein: and a third bonding layer for fixing the tubular socket piece (2) is arranged on the inner wall of the tubular socket piece (2), and the third bonding layer is used for being bonded with the first bonding layer or the second bonding layer.
5. The connection structure of low pressure pipes according to claim 4, wherein: the inner wall of the tubular socket piece (2) is provided with a plurality of second annular grooves (7), and the third bonding layer is arranged in the second annular grooves (7).
6. The connection structure of low pressure pipes according to claim 5, wherein: when the tubular socket piece (1) is connected with the tubular socket piece (2), the second annular groove (7) and the first annular groove (3) are arranged in a staggered mode.
7. The connection structure of low pressure pipes according to claim 6, wherein: the inner wall of the tubular socket piece (2) is provided with a positioning ring (8) used for limiting the insertion position of the tubular socket piece (1).
8. The connection structure of low pressure pipes according to claim 7, wherein: the height of the positioning ring (8) is less than or equal to the thickness of the pipe wall of the tubular socket piece (1).
9. The connection structure of low pressure pipes according to claim 1, wherein: the tubular socket piece (1) and the tubular socket piece (2) are made of different materials.
10. The connection structure of low pressure pipes according to claim 1, wherein: the tubular socket piece (1) has a taper of less than 1 degree, and the tubular socket piece (2) is in interference fit with the socket connection of the tubular socket piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269410.8U CN215950739U (en) | 2021-06-07 | 2021-06-07 | Connecting structure of low-pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269410.8U CN215950739U (en) | 2021-06-07 | 2021-06-07 | Connecting structure of low-pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950739U true CN215950739U (en) | 2022-03-04 |
Family
ID=80565400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121269410.8U Active CN215950739U (en) | 2021-06-07 | 2021-06-07 | Connecting structure of low-pressure pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215950739U (en) |
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2021
- 2021-06-07 CN CN202121269410.8U patent/CN215950739U/en active Active
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