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CN215172974U - Connecting structure of clamping and pressing type pipe fitting - Google Patents

Connecting structure of clamping and pressing type pipe fitting Download PDF

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Publication number
CN215172974U
CN215172974U CN202022808411.7U CN202022808411U CN215172974U CN 215172974 U CN215172974 U CN 215172974U CN 202022808411 U CN202022808411 U CN 202022808411U CN 215172974 U CN215172974 U CN 215172974U
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China
Prior art keywords
packing ring
gasket
pipe fitting
cylinder
mentioned
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CN202022808411.7U
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Chinese (zh)
Inventor
杨三龙
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ZHEJIANG ZHENGTONG PIPES CO Ltd
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ZHEJIANG ZHENGTONG PIPES CO Ltd
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Abstract

The utility model provides a connection structure of card pressure formula pipe fitting belongs to mechanical technical field. It has solved prior art and has had the poor problem of stability. This connection structure of clamp pressure formula pipe fitting is located between two adjacent bodies, a serial communication port, this connection structure includes a location section of thick bamboo, the end cover, packing ring one, packing ring two and packing ring three, the both ends of above-mentioned location section of thick bamboo are overlapped respectively in the body tip department that corresponds, above-mentioned location section of thick bamboo one end has to its inboard convex fender edge, above-mentioned packing ring one is compressed tightly and is kept off along being connected between along with one of them body, above-mentioned end cover overlaps on another body and end cover threaded connection is at the location section of thick bamboo other end, above-mentioned packing ring three is compressed tightly and is being connected between along with another body at the end cover, above-mentioned packing ring two is compressed tightly between two body tips. This joint construction stability of clamp pressure formula pipe fitting is high.

Description

Connecting structure of clamping and pressing type pipe fitting
Technical Field
The utility model belongs to the technical field of machinery, a connection structure of card pressure formula pipe fitting is related to.
Background
The press-fit pipe fitting includes a tubular pipe body having an annular projecting connecting edge at an end portion thereof. The clamp-press type pipe fitting is sleeved on other metal connecting pipes, the inner side of the connecting edge is connected with the sealing ring, the connecting edge deforms towards the inner side of the pipe fitting under the action of external force, the sealing ring can be tightly pressed on the clamp-press type pipe fitting and other metal connecting pipes through the structure, the structure can not only enable the clamp-press type pipe fitting and other metal connecting pipes to be stably connected, but also can form good sealing at the connecting position.
However, when two adjacent press-fit pipe fittings are connected, an additional metal connecting pipe is needed. The connection mode needs to apply external force to press the two clamping and pressing type pipe fittings, so that the connection is complicated, and the assembly and disassembly are inconvenient.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a connection structure of convenient and the high card pressure formula pipe fitting of stability of loading and unloading.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a connection structure of card pressure formula pipe fitting, card pressure formula pipe fitting is including being pipy body, body tip department has and is the convex connection edge of annular, this connection structure is located between two adjacent bodies, a serial communication port, this connection structure includes a location section of thick bamboo, the end cover, packing ring one, packing ring two and packing ring three, the both ends of above-mentioned location section of thick bamboo are overlapped respectively in the body tip department that corresponds, above-mentioned location section of thick bamboo one end has to its inboard convex fender edge, above-mentioned packing ring one is sticis along being connected with one of them body between along, above-mentioned end cover overlaps on another body and end cover threaded connection is at the location section of thick bamboo other end, above-mentioned packing ring three is sticis between the connection edge of end cover and another body, above-mentioned packing ring two is sticis between two body tip.
The connecting structure of the clamping and pressing type pipe fitting creatively enables one end of the positioning cylinder to be stably connected with one pipe body through the first gasket, enables the other end of the positioning cylinder to be stably connected with the other pipe body through the third gasket and the end cover, and guarantees the sealing performance of the joint of the two pipe bodies through the second gasket.
Specifically, as soon as the gasket is pressed between the blocking edge and the connecting edge of one of the tubular bodies, such a structure ensures a stable connection of the positioning cylinder with one of the tubular bodies.
The gasket III is tightly pressed between the connecting edge of the other pipe body and the end cover, and the structure can ensure that the positioning cylinder is stably connected with the other pipe body.
The connecting edges of the two pipe bodies respectively receive the pushing action of the first gasket and the third gasket, so that the second gasket is tightly pressed between the two pipe bodies, and finally the two adjacent pipe bodies can be stably connected.
In the above connection structure of the press-fit pipe fitting, the blocking edge and the positioning cylinder are of an integrated structure.
In the connection structure of the clamping and pressing type pipe fitting, the first gasket, the second gasket and the third gasket are all made of rubber materials.
In the above connection structure of the press-fit pipe fitting, the end cap includes a cylindrical inner cylinder and an outer cylinder, the same ends of the inner cylinder and the outer cylinder are fixedly connected, the inner cylinder is embedded in the positioning cylinder and the inner cylinder is sleeved on the pipe body, and the outer cylinder is sleeved outside the positioning cylinder.
The inner cylinder is used for pushing the gasket III, and the outer cylinder is used for being stably connected with the positioning cylinder. The outer cylinder is in threaded connection with the positioning cylinder.
In the above connection structure of the press-fit pipe fitting, the inner cylinder and the outer cylinder are of an integrated structure.
In the connecting structure of the clamping and pressing type pipe fitting, a positioning cavity with an annular cavity is formed between the inner cylinder and the outer cylinder, the other end of the positioning cylinder is matched with the positioning cavity, and the other end of the positioning cylinder is embedded in the positioning cavity.
The structure can not only ensure that the end cover is stably connected with the positioning cylinder, but also ensure that the connection is covered, thereby avoiding the connection part from being exposed outside.
In the connecting structure of the clamping and pressing type pipe fitting, a first filling cavity of an annular cavity is formed between the first gasket and the second gasket, and river sand is arranged in the first filling cavity.
In the connecting structure of the clamping and pressing type pipe fitting, a second filling cavity with an annular cavity is formed between the second gasket and the third gasket, and river sand is arranged in the second filling cavity.
The river sand in the first filling cavity and the second filling cavity can properly increase the weight of the pipe fittings, and the strength of the joint of the two adjacent pipe fittings is effectively improved.
Meanwhile, the first gasket, the second gasket and the third gasket can be pushed under the action of river sand, and the connection stability of the gaskets is guaranteed.
Compared with the prior art, the connecting structure of the clamping and pressing type pipe fitting has the advantages that after the positioning cylinder and the end cover are sequentially sleeved on the corresponding pipe body, the end cover and the positioning cylinder are connected to realize stable connection of the two adjacent pipe bodies, and therefore the clamping and pressing type pipe fitting is convenient to assemble and disassemble.
Meanwhile, the connection stability and the sealing performance of the gasket I, the gasket II and the gasket III can be effectively improved, the stability is high, and the practical value is high.
Drawings
Fig. 1 is a schematic structural view of the connection structure of the pipe fitting of the present snap type.
In the figure, 1, a tube body; 1a, a connecting edge; 2. a positioning cylinder; 2a, blocking edges; 3. an end cap; 3a, an inner cylinder; 3b, an outer cylinder; 4. a first gasket; 5. a second gasket; 6. a third gasket; 7. Filling the first cavity; 8. filling a second cavity; 9. river sand.
Detailed Description
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 all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the press-fit pipe fitting includes a tubular pipe body 1, a connecting edge 1a protruding in an annular shape is provided at an end of the pipe body 1, and the connecting structure of the press-fit pipe fitting is located between two adjacent pipe bodies 1.
The connecting structure of the clamping and pressing type pipe fitting comprises a positioning cylinder 2, an end cover 3, a first gasket 4, a second gasket 5 and a third gasket 6, wherein two ends of the positioning cylinder 2 are respectively sleeved at the end parts of corresponding pipe bodies 1, one end of the positioning cylinder 2 is provided with a blocking edge 2a protruding towards the inner side of the positioning cylinder, the first gasket 4 is tightly pressed between the blocking edge 2a and the connecting edge 1a of one of the pipe bodies 1, the end cover 3 is sleeved on the other pipe body 1, the end cover 3 is in threaded connection with the other end of the positioning cylinder 2, the third gasket 6 is tightly pressed between the end cover 3 and the connecting edge 1a of the other pipe body 1, and the second gasket 5 is tightly pressed between the end parts of the two pipe bodies 1.
The blocking edge 2a and the positioning cylinder 2 are of an integrated structure.
The first gasket 4, the second gasket 5 and the third gasket 6 are all made of rubber materials.
The end cover 3 comprises a cylindrical inner cylinder 3a and an outer cylinder 3b, the same ends of the inner cylinder 3a and the outer cylinder 3b are fixedly connected, the inner cylinder 3a is embedded in the positioning cylinder 2, the inner cylinder 3a is sleeved on the pipe body 1, and the outer cylinder 3b is sleeved on the outer side of the positioning cylinder 2.
The inner cylinder 3a and the outer cylinder 3b are of an integrated structure.
A positioning cavity with an annular cavity is formed between the inner cylinder 3a and the outer cylinder 3b, the other end of the positioning cylinder is matched with the positioning cavity, and the other end of the positioning cylinder 2 is embedded in the positioning cavity.
And a first filling cavity 7 of an annular cavity is formed between the first gasket 4 and the second gasket 5, and river sand 9 is arranged in the first filling cavity 7.
And a second filling cavity 8 with an annular cavity is formed between the second gasket 5 and the third gasket 6, and river sand 9 is arranged in the second filling cavity 8.
The connecting structure of the clamping and pressing type pipe fitting creatively enables one end of the positioning cylinder to be stably connected with one pipe body through the first gasket, enables the other end of the positioning cylinder to be stably connected with the other pipe body through the third gasket and the end cover, and guarantees the sealing performance of the joint of the two pipe bodies through the second gasket.
Specifically, as soon as the gasket is pressed between the blocking edge and the connecting edge of one of the tubular bodies, such a structure ensures a stable connection of the positioning cylinder with one of the tubular bodies.
The gasket III is tightly pressed between the connecting edge of the other pipe body and the end cover, and the structure can ensure that the positioning cylinder is stably connected with the other pipe body.
The connecting edges of the two pipe bodies respectively receive the pushing action of the first gasket and the third gasket, so that the second gasket is tightly pressed between the two pipe bodies, and finally the two adjacent pipe bodies can be stably connected.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (8)

1. The utility model provides a connection structure of card pressure formula pipe fitting, card pressure formula pipe fitting is including being pipy body, body tip department has and is the convex connection edge of annular, this connection structure is located between two adjacent bodies, a serial communication port, this connection structure includes a location section of thick bamboo, the end cover, packing ring one, packing ring two and packing ring three, the both ends of above-mentioned location section of thick bamboo are overlapped respectively in the body tip department that corresponds, above-mentioned location section of thick bamboo one end has to its inboard convex fender edge, above-mentioned packing ring one is sticis along being connected with one of them body between along, above-mentioned end cover overlaps on another body and end cover threaded connection is at the location section of thick bamboo other end, above-mentioned packing ring three is sticis between the connection edge of end cover and another body, above-mentioned packing ring two is sticis between two body tip.
2. The connecting structure of snap-fit pipe fittings according to claim 1, wherein the retaining rim and the positioning cylinder are of an integral structure.
3. The connecting structure of a pipe fitting according to claim 2, wherein the first washer, the second washer and the third washer are made of rubber.
4. The connecting structure of a press-fit pipe fitting according to claim 3, wherein the end cap comprises a cylindrical inner cylinder and an outer cylinder, the same end of the inner cylinder and the outer cylinder is fixedly connected, the inner cylinder is embedded in the positioning cylinder and the inner cylinder is sleeved on the pipe body, and the outer cylinder is sleeved outside the positioning cylinder.
5. The connecting structure of pipe fittings according to claim 4, wherein the inner cylinder and the outer cylinder are of an integral structure.
6. The connecting structure of pipe fittings according to claim 5, wherein a positioning cavity having an annular cavity is formed between the inner cylinder and the outer cylinder, and the other end of the positioning cylinder is matched with the positioning cavity and the other end of the positioning cylinder is embedded in the positioning cavity.
7. The connecting structure of pipe fittings according to claim 6, wherein a first filling chamber having an annular chamber is formed between the first gasket and the second gasket, and the first filling chamber has river sand therein.
8. The connecting structure of pipe fittings according to claim 7, wherein a second filling cavity having an annular cavity is formed between the second gasket and the third gasket, and the second filling cavity contains river sand.
CN202022808411.7U 2020-11-27 2020-11-27 Connecting structure of clamping and pressing type pipe fitting Active CN215172974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022808411.7U CN215172974U (en) 2020-11-27 2020-11-27 Connecting structure of clamping and pressing type pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022808411.7U CN215172974U (en) 2020-11-27 2020-11-27 Connecting structure of clamping and pressing type pipe fitting

Publications (1)

Publication Number Publication Date
CN215172974U true CN215172974U (en) 2021-12-14

Family

ID=79350646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022808411.7U Active CN215172974U (en) 2020-11-27 2020-11-27 Connecting structure of clamping and pressing type pipe fitting

Country Status (1)

Country Link
CN (1) CN215172974U (en)

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