CN217502989U - High-pressure quick-change connector - Google Patents

High-pressure quick-change connector Download PDF

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Publication number
CN217502989U
CN217502989U CN202221673120.4U CN202221673120U CN217502989U CN 217502989 U CN217502989 U CN 217502989U CN 202221673120 U CN202221673120 U CN 202221673120U CN 217502989 U CN217502989 U CN 217502989U
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China
Prior art keywords
valve body
cap
valve
screwing
transmission mechanism
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Active
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CN202221673120.4U
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Chinese (zh)
Inventor
顾俊杰
周衡翔
周士钧
阮若冰
李建军
季明刚
张英
刘海挺
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Suzhou Ganghua Gas Co ltd
SHANGHAI FIORENTINI GAS EQUIPMENT CO Ltd
Original Assignee
Suzhou Ganghua Gas Co ltd
SHANGHAI FIORENTINI GAS EQUIPMENT CO Ltd
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Application filed by Suzhou Ganghua Gas Co ltd, SHANGHAI FIORENTINI GAS EQUIPMENT CO Ltd filed Critical Suzhou Ganghua Gas Co ltd
Priority to CN202221673120.4U priority Critical patent/CN217502989U/en
Application granted granted Critical
Publication of CN217502989U publication Critical patent/CN217502989U/en
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Abstract

The utility model discloses a high pressure quick change coupler, include: the valve body is internally provided with a main valve body valve core; the valve body back cap is fixed on one side of the valve body, an air inlet pipe is arranged on the valve body back cap and is communicated with an inner cavity of the valve body, and a first spring is arranged between the valve body back cap and the valve core of the main valve body; the cap screwing transmission mechanism is arranged on the other side of the valve body, and an air outlet pipe is arranged on the cap screwing transmission mechanism; when the valve is in a working state, the screwing cap transmission mechanism is locked with the valve body, and gas in the gas inlet pipe can flow out of the gas outlet pipe through the valve core of the main valve body; when the valve body is in a disconnecting state, the screwing cap transmission mechanism rotates and moves left relative to the valve body, so that the air inlet pipe and the air outlet pipe are cut off. The utility model discloses can realize the interim change of gas circuit and press high-speed joint with the area of other equipment to when changing functions such as gas circuit, can realize being close to the function of zero release, its saving that not only satisfies the energy, green's demand, compact structure moreover, required installation space is little.

Description

High-pressure quick-change connector
Technical Field
The utility model relates to a gas transmission and distribution equipment technical field especially relates to a high pressure quick change coupler.
Background
Current gas connection is when the gas circuit switches and extra equipment docks temporarily, need the interior medium of evacuation whole pipeline, so it is single to lead to current gas connection use occasion, does not discharge then to have the potential safety hazard if the pipeline internal pressure during the change, and medium discharges to be the waste of the energy in the pipeline, also violates mutually with green, and gas connection dismouting is many times easy to destroy original sealed, produces extra dew point. And cannot be quickly docked with other devices.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a high-pressure quick-change connector in order to solve the above technical problems.
A high pressure quick-change coupler, comprising:
the valve body is internally provided with a main valve body valve core;
the valve body back cap is fixed on one side of the valve body, an air inlet pipe is arranged on the valve body back cap, the air inlet pipe is communicated with an inner cavity of the valve body, and a first spring is further arranged between the valve body back cap and the valve core of the main valve body;
the cap screwing transmission mechanism is arranged on the other side of the valve body, and an air outlet pipe is arranged on the cap screwing transmission mechanism;
when the valve body is in a working state, the screwing cap transmission mechanism is locked with the valve body, and the gas in the gas inlet pipe can flow out of the gas outlet pipe through the valve core of the main valve body;
when the valve body is in a disconnecting state, the screwing cap transmission mechanism rotates leftwards relative to the valve body, so that the air inlet pipe and the air outlet pipe are cut off.
In one embodiment, the nut screwing transmission mechanism comprises:
the auxiliary valve body valve core is arranged inside the other side of the valve body in a penetrating manner;
the screwing cap is sleeved on the outer side face of the other side of the valve body in a threaded manner;
the middle part of the valve body connecting joint is fixedly arranged in the screwing cap in a penetrating way, the air outlet pipe is arranged on the valve body connecting joint, and the front part of the valve body connecting joint is fixedly arranged in the auxiliary valve body valve core in a penetrating way;
one end of the inner valve core is contacted with the valve core of the main valve body, and the other end of the inner valve core penetrates through the valve core of the auxiliary valve body and then extends into an inner cavity of the valve body connecting joint;
and one end of the second spring is connected with the inner valve core, the other end of the second spring is connected with a spring pre-tightening nut, and the spring pre-tightening nut is fixed in an inner cavity of the valve body connecting joint.
In one embodiment, a first O-ring is arranged between the valve body back cap and the valve body and fixed on the valve body back cap.
In one embodiment, a second O-ring is arranged between the valve body and the valve core of the auxiliary valve body, and the second O-ring is fixed on the valve core of the auxiliary valve body.
In one embodiment, a third O-ring is disposed between the valve body connector and the secondary valve body spool, and the third O-ring is secured to the valve body connector.
Above-mentioned high pressure quick change coupler through the area that can realize the interim change of gas circuit and with other equipment quick-operation joint to when functions such as change gas circuit, can realize being close the function of zero release, it not only satisfies the saving of the energy, green's demand, compact structure moreover, required installation space is little.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the working state of the high-pressure quick-change connector of the present invention;
fig. 2 is a schematic diagram of the high-pressure quick-change connector according to the present invention in a disengaged state.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1-2, an embodiment of the present invention provides a high-pressure quick-change connector, including:
the valve body 3 is internally provided with a main valve body valve core 5;
the valve body back cap 2 is fixed on one side of the valve body 3, an air inlet pipe 1 is arranged on the valve body back cap 2, the air inlet pipe 1 is communicated with the inner cavity of the valve body 3, and a first spring 4 is also arranged between the valve body back cap 2 and the main valve body valve core 5;
the cap screwing transmission mechanism is arranged on the other side of the valve body 3, and an air outlet pipe 9 is arranged on the cap screwing transmission mechanism;
when the valve is in a working state, the screwing cap transmission mechanism is locked with the valve body 3, and the gas in the gas inlet pipe 1 can flow out of the gas outlet pipe 9 through the valve core 5 of the main valve body;
when the valve body is in a disconnecting state, the screwing cap transmission mechanism rotates and moves left relative to the valve body 3, so that the air inlet pipe 1 and the air outlet pipe 9 are cut off.
In an embodiment of the present invention, the cap screwing transmission mechanism includes:
the auxiliary valve body valve core 6 is arranged inside the other side of the valve body 3 in a penetrating way;
the screwing cap 7 is sleeved on the outer side face of the other side of the valve body 3 in a threaded manner;
the middle part of the valve body connecting joint 10 is fixedly arranged in the screwing cap 7 in a penetrating way, the air outlet pipe 9 is arranged on the valve body connecting joint 10, and the front part of the valve body connecting joint 10 is fixedly arranged in the auxiliary valve body valve core 6 in a penetrating way;
one end of the inner valve core 12 is contacted with the main valve body valve core 5, and the other end of the inner valve core 12 penetrates through the auxiliary valve body valve core 6 and then extends into the inner cavity of the valve body connecting joint 10;
one end of the second spring 8 is connected with the inner valve core 12, the other end of the second spring 8 is connected with a spring pre-tightening nut 11, and the spring pre-tightening nut 11 is fixed in the inner cavity of the valve body connecting joint 10.
In this embodiment, the working process of the high-pressure quick-change connector is as follows:
the fuel gas enters the valve body 3 from the gas inlet pipe 1, passes through the main valve body valve core 5, enters the auxiliary valve body valve core 6, passes through the inner valve core 12, enters the gas outlet pipe 9 and flows out, and the joint normally works.
The disengagement process of the high-pressure quick-change connector comprises the following steps:
and the screwing cap 7 is screwed anticlockwise to drive the valve body connecting joint 10 and the auxiliary valve body valve core 6 to move towards the left side, at the moment, the main valve body valve core 5 forms sealing with the inner cavity of the valve body 3 under the pushing of the first spring 4, and the high-pressure gas at the inlet is cut off from flowing towards the outlet. And continuously screwing the screwing cap 7 anticlockwise to drive the valve body connecting joint 10 and the auxiliary valve body valve core 6 to move towards the left side, the inner valve core 12 forms sealing with the inner cavity of the valve body connecting joint 10 under the pushing of the second spring 8, and the connection between the outlet gas and the middle cavity 15 is cut off. And continuously twisting the twisting cap 7 anticlockwise to drive the valve body connecting joint 10 and the auxiliary valve body valve core 6 to move towards the left side, so that the auxiliary valve body valve core 6 is separated from the valve body, a small amount of gas in the middle cavity 15 is discharged to the atmosphere, and continuously twisting the twisting cap 7 anticlockwise until the small amount of gas is completely separated. The connection process is opposite to the disconnection process, so that the gas circuit change under the pressure state and the butt joint with other equipment can be realized.
Optionally, in order to increase the sealing performance, in an embodiment of the present invention, a first O-ring 16 is disposed between the valve body back cap 2 and the valve body 3, and the first O-ring 16 is fixed on the valve body back cap 2. In an embodiment of the present invention, a second O-ring 14 is disposed between the valve body 3 and the sub-valve body valve core 6, and the second O-ring 14 is fixed on the sub-valve body valve core 6. In an embodiment of the present invention, a third O-ring 13 is disposed between the valve body connection joint 10 and the auxiliary valve body valve core 6, and the third O-ring 13 is fixed on the valve body connection joint 10.
To sum up, the utility model discloses can realize the interim change of gas circuit and press high-speed joint with other equipment to when functions such as change gas circuit, can realize being close the function of zero release, its saving that not only satisfies the energy, green's demand, compact structure moreover, required installation space is little.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, but should not be interpreted as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A high-pressure quick-change coupler, comprising:
the valve body (3) is internally provided with a main valve body valve core (5); the valve body back cap (2) is fixed on one side of the valve body (3), an air inlet pipe (1) is arranged on the valve body back cap (2), the air inlet pipe (1) is communicated with the inner cavity of the valve body (3), and a first spring (4) is arranged between the valve body back cap (2) and the main valve body valve core (5);
the cap screwing transmission mechanism is arranged on the other side of the valve body (3), and an air outlet pipe (9) is arranged on the cap screwing transmission mechanism;
when the valve is in a working state, the screwing cap transmission mechanism is locked with the valve body (3), and the gas in the gas inlet pipe (1) can flow out of the gas outlet pipe (9) through the valve core (5) of the main valve body;
when the valve body is in a disconnecting state, the screwing cap transmission mechanism rotates and moves left relative to the valve body (3), so that the air inlet pipe (1) and the air outlet pipe (9) are cut off.
2. The high pressure quick change coupler according to claim 1, wherein the nut-turning transmission mechanism comprises:
the auxiliary valve body valve core (6) is arranged inside the other side of the valve body (3) in a penetrating manner;
the screwing cap (7) is sleeved on the outer side face of the other side of the valve body (3) in a threaded manner;
the middle part of the valve body connecting joint (10) is fixedly arranged in the screwing cap (7) in a penetrating way, the air outlet pipe (9) is arranged on the valve body connecting joint (10), and the front part of the valve body connecting joint (10) is fixedly arranged in the auxiliary valve body valve core (6) in a penetrating way;
one end of the inner valve core (12) is contacted with the main valve body valve core (5), and the other end of the inner valve core (12) penetrates through the auxiliary valve body valve core (6) and then extends into an inner cavity of the valve body connecting joint (10);
one end of the second spring (8) is connected with the inner valve core (12), the other end of the second spring (8) is connected with a spring pre-tightening nut (11), and the spring pre-tightening nut (11) is fixed in an inner cavity of the valve body connecting joint (10).
3. The high-pressure quick-change coupling according to claim 2, characterized in that a first O-ring (16) is arranged between the valve body back cap (2) and the valve body (3), the first O-ring (16) being fixed to the valve body back cap (2).
4. A high-pressure quick-change coupling according to claim 3, characterized in that a second O-ring (14) is arranged between the valve body (3) and the secondary valve body spool (6), the second O-ring (14) being fixed to the secondary valve body spool (6).
5. The high-pressure quick-change coupling according to claim 4, characterized in that a third O-ring (13) is arranged between the valve body coupling (10) and the secondary valve body spool (6), the third O-ring (13) being fixed to the valve body coupling (10).
CN202221673120.4U 2022-07-01 2022-07-01 High-pressure quick-change connector Active CN217502989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221673120.4U CN217502989U (en) 2022-07-01 2022-07-01 High-pressure quick-change connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221673120.4U CN217502989U (en) 2022-07-01 2022-07-01 High-pressure quick-change connector

Publications (1)

Publication Number Publication Date
CN217502989U true CN217502989U (en) 2022-09-27

Family

ID=83341433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221673120.4U Active CN217502989U (en) 2022-07-01 2022-07-01 High-pressure quick-change connector

Country Status (1)

Country Link
CN (1) CN217502989U (en)

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