CN216923528U - Connecting structure of quick connector - Google Patents
Connecting structure of quick connector Download PDFInfo
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- CN216923528U CN216923528U CN202122927625.0U CN202122927625U CN216923528U CN 216923528 U CN216923528 U CN 216923528U CN 202122927625 U CN202122927625 U CN 202122927625U CN 216923528 U CN216923528 U CN 216923528U
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- sealing ring
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Abstract
The utility model discloses a connecting structure of a quick connector, which comprises a first connecting pipe, a second connecting pipe and a main connecting pipe, wherein fixing grooves are formed in two ends of the main connecting pipe, an outer sealing ring is installed inside each fixing groove, and a perforated gland is installed on the outer side of each fixing groove; the outer walls of the first connecting pipe and the second connecting pipe are in clearance fit with the inner wall of the main connecting pipe, a connecting ring is arranged in the main connecting pipe, and an inner sealing ring is arranged on the inner wall of the connecting ring; the beneficial effects are that: utilize go-between and interior seal ring to seal up the inner of first connecting pipe and second connecting pipe, can compress tightly the outer seal ring through the trompil gland, make the outer seal ring realize after the bending with the sealed of first connecting pipe and second connecting pipe outer wall, easy operation is convenient, can realize fast that the connection to first connecting pipe and second connecting pipe is fixed.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a connecting structure of a quick connector.
Background
The connector can be divided into according to the structure: two-end open-close type, two-end open type, one-way open-close type. The pipeline connecting device is widely applied to pipelines for conveying materials such as gas and liquid, and is used when the pipelines are required to be temporarily connected when the problems such as damage and the like occur.
When temporarily communicating a transfer pipe, the transfer pipe is often connected by a pipe clamp, but when connecting a pipe without a threaded joint, leakage and poor sealing are likely to occur during connection.
Disclosure of Invention
The present invention is directed to a connecting structure of a quick connector to solve the above problems, and a preferred embodiment of the present invention is described in detail below.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a connecting structure of a quick connector, which comprises a first connecting pipe, a second connecting pipe and a main connecting pipe, wherein fixing grooves are formed in two ends of the main connecting pipe, an outer sealing ring is installed inside each fixing groove, the section of each outer sealing ring is arc-shaped, the middle of each arc-shaped outer sealing ring is far away from the outer wall of the corresponding main connecting pipe, and a hole-opening gland used for compressing the fixing grooves is installed on the outer side of each fixing groove;
the outer walls of the first connecting pipe and the second connecting pipe are in clearance fit with the inner wall of the main connecting pipe, a connecting ring is arranged in the main connecting pipe, and an inner sealing ring used for limiting the first connecting pipe and the second connecting pipe is arranged on the inner wall of the connecting ring.
By adopting the connection structure of the quick connector, when the first connecting pipe and the second connecting pipe are connected, the fixed groove and the outer sealing ring are sleeved on the outer walls of the first connecting pipe and the second connecting pipe, the main connecting pipe is placed between the first connecting pipe and the second connecting pipe, the first connecting pipe and the second connecting pipe correspond to two ends of the connecting ring, the first connecting pipe and the second connecting pipe are inserted into the main connecting pipe, the inner ends of the first connecting pipe and the second connecting pipe are in contact with two sides of the connecting ring, the outer sealing ring is pushed into the fixed groove, the perforated gland is arranged on the outer side of the main connecting pipe by screw thread matching when the first connecting pipe is arranged, the outer sealing ring is compressed by the perforated gland, and the outer sealing ring can be bent in the compression process, its inner wall with the inner wall in close contact with of first company pipe realizes right the sealing connection of first company pipe is realized right with the reason the connection of second company pipe, easy operation is convenient, can realize fast right first company pipe with the connection of second company pipe is fixed.
As a further optimized scheme, the inner sealing ring and the connecting ring are both made of rubber, and the inner sealing ring and the connecting ring are integrally formed.
As a further optimized scheme, a convex ring is installed on the inner wall of the main connecting pipe, an annular groove is formed in the outer circular surface of the connecting ring, and the convex ring is in clearance fit with the annular groove.
As a further optimized solution, the convex ring and the main connecting pipe are integrally formed.
As a further optimized scheme, the inner wall of the inner sealing ring is arc-shaped, and the middle part of the arc extends towards the axis of the main connecting pipe.
As a further optimized scheme, the outer side of the perforated gland is provided with anti-skid lines.
As a further optimized scheme, the main connecting pipe is made of PVC, and a metal layer is arranged on the inner wall of the main connecting pipe.
Has the advantages that: utilize go-between and interior seal ring to seal up the inner of first connecting pipe and second connecting pipe, can compress tightly the outer seal ring through the trompil gland, make the outer seal ring realize after the bending with the sealed of first connecting pipe and second connecting pipe outer wall, easy operation is convenient, can realize fast that the connection to first connecting pipe and second connecting pipe is fixed.
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 the drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the inner seal ring of the present invention;
fig. 3 is a structural schematic diagram of the outer sealing ring of the present invention.
The reference numerals are explained below:
1. a first connecting pipe; 2. a second connecting pipe; 3. a main connection pipe; 301. fixing grooves; 302. opening a gland bush; 303. a convex ring; 304. a metal layer; 4. an outer seal ring; 5. an inner seal ring; 501. a connecting ring; 502. an annular groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The utility model will be further explained with reference to the drawings.
The first embodiment:
referring to fig. 1 to 3, the utility model provides a connection structure of a quick connector, which includes a first connection pipe 1, a second connection pipe 2 and a main connection pipe 3, wherein the main connection pipe 3 is made of PVC, a metal layer 304 is arranged on an inner wall of the main connection pipe 3, the strength of the main connection pipe 3 can be improved through the metal layer 304, the metal layer 304 is preferably an aluminum foil layer, fixing grooves 301 are arranged at two ends of the main connection pipe 3, an outer sealing ring 4 is arranged inside the fixing grooves 301, the section of the outer sealing ring 4 is arc-shaped, the arc-shaped middle part is far away from the outer wall of the main connection pipe 3, and a hole-opening gland 302 for compressing the fixing grooves 301 is arranged outside the fixing grooves 301;
the outer walls of the first connecting pipe 1 and the second connecting pipe 2 are in clearance fit with the inner wall of the main connecting pipe 3, a connecting ring 501 is arranged inside the main connecting pipe 3, and an inner sealing ring 5 used for limiting the first connecting pipe 1 and the second connecting pipe 2 is arranged on the inner wall of the connecting ring 501.
The working principle of the utility model is as follows: when the first connecting pipe 1 and the second connecting pipe 2 are connected, a fixing groove 301 and an outer sealing ring 4 are sleeved on the outer walls of the first connecting pipe 1 and the second connecting pipe 2, a main connecting pipe 3 is placed between the first connecting pipe 1 and the second connecting pipe 2, the first connecting pipe 1 and the second connecting pipe 2 correspond to two ends of a connecting ring 501, the first connecting pipe 1 and the second connecting pipe 2 are inserted into the main connecting pipe 3, the inner ends of the first connecting pipe 1 and the second connecting pipe 2 are contacted with two sides of the connecting ring 501, the outer sealing ring 4 is pushed into the fixing groove 301, when the first connecting pipe 1 is installed, an opening gland 302 is installed on the outer side of the main connecting pipe 3 by utilizing thread fit, the opening gland 302 is utilized to compress the outer sealing ring 4, the outer sealing ring 4 can be bent during compression, the inner wall of the outer sealing ring 4 is in close contact with the inner wall of the first connecting pipe 1, and sealing connection of the first connecting pipe 1 is realized, the connection of realizing to second connecting pipe 2 in the same way, easy operation is convenient, can realize fast that the connection to first connecting pipe 1 and second connecting pipe 2 is fixed.
Second embodiment:
a convex ring 303 is arranged on the inner wall of the main connecting pipe 3, an annular groove 502 is arranged on the outer circular surface of the connecting ring 501, and the convex ring 303 is in clearance fit with the annular groove 502; utilize the clearance fit of bulge loop 303 and ring channel 502, be convenient for realize the installation and the dismantlement to go-between 501 and interior sealing ring 5, be convenient for install and change interior sealing ring 5 and go-between 501, it is more convenient to use.
The third embodiment:
the inner wall of the inner sealing ring 5 is arc-shaped, and the middle part of the arc-shaped extends towards the axis of the main connecting pipe 3; the circular arc-shaped inner wall of the inner sealing ring 5 can be utilized to guide the medium which is guided between the first connecting pipe 1 and the second connecting pipe 2, so that the resistance is reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a connection structure of high-speed joint head which characterized in that: the connecting pipe comprises a first connecting pipe (1), a second connecting pipe (2) and a main connecting pipe (3), wherein fixing grooves (301) are formed in two ends of the main connecting pipe (3), an outer sealing ring (4) is installed inside each fixing groove (301), the cross section of each outer sealing ring (4) is arc-shaped, the middle of each arc-shaped fixing groove is far away from the outer wall of the corresponding main connecting pipe (3), and a hole-opening gland (302) used for compressing the fixing grooves (301) is installed on the outer side of each fixing groove (301);
the outer wall of the first connecting pipe (1) and the second connecting pipe (2) is in clearance fit with the inner wall of the main connecting pipe (3), a connecting ring (501) is arranged inside the main connecting pipe (3), and an inner sealing ring (5) used for limiting the first connecting pipe (1) and the second connecting pipe (2) is arranged on the inner wall of the connecting ring (501).
2. The connecting structure of a quick connector according to claim 1, wherein: the inner sealing ring (5) and the connecting ring (501) are both made of rubber, and the inner sealing ring (5) and the connecting ring (501) are integrally formed.
3. The connecting structure of a quick connector according to claim 2, wherein: the inner wall of the main connecting pipe (3) is provided with a convex ring (303), the outer circular surface of the connecting ring (501) is provided with an annular groove (502), and the convex ring (303) is in clearance fit with the annular groove (502).
4. A coupling structure of a quick coupling head according to claim 3, wherein: the convex ring (303) and the main connecting pipe (3) are integrally formed.
5. The connecting structure of a quick connector according to claim 2, wherein: the inner wall of the inner sealing ring (5) is arc-shaped, and the middle part of the arc-shaped extends towards the axis of the main connecting pipe (3).
6. The connecting structure of a quick connector according to claim 1, wherein: and anti-skid grains are arranged on the outer side of the opening gland (302).
7. The connecting structure of a quick connector according to claim 1, wherein: the material of main connecting pipe (3) is PVC, main connecting pipe (3) inner wall is provided with metal level (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927625.0U CN216923528U (en) | 2021-11-26 | 2021-11-26 | Connecting structure of quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927625.0U CN216923528U (en) | 2021-11-26 | 2021-11-26 | Connecting structure of quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923528U true CN216923528U (en) | 2022-07-08 |
Family
ID=82250565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122927625.0U Active CN216923528U (en) | 2021-11-26 | 2021-11-26 | Connecting structure of quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923528U (en) |
-
2021
- 2021-11-26 CN CN202122927625.0U patent/CN216923528U/en active Active
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