CN205781584U - A kind of sectional type double spool joint - Google Patents
A kind of sectional type double spool joint Download PDFInfo
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- CN205781584U CN205781584U CN201620512264.XU CN201620512264U CN205781584U CN 205781584 U CN205781584 U CN 205781584U CN 201620512264 U CN201620512264 U CN 201620512264U CN 205781584 U CN205781584 U CN 205781584U
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- joint
- bulge loop
- diaphragm seal
- chamber
- spool
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Abstract
The utility model discloses a kind of sectional type double spool joint, including the first core assembly and the second core assembly；First core assembly includes the first joint, the first spool, the first elastic component and the first sealing ring；Second core assembly includes the second joint, the second spool, the second elastic component and the second sealing ring；First joint and the second joint screw thread connect；First spool and the second valve spool control the break-make of gas circuit, and the first sealing ring and the second sealing ring are effectively ensured air-tightness, and the first elastic component and the second elastic component are respectively used to the first spool and the reset of the second spool.Knockdown structure taked by this sectional type double spool joint, and assembling maintenance inner spool is convenient, and air-tightness is good, and simple in construction is practical.
Description
Technical field
This utility model relates to assembling pipe joint technical field, particularly relates to a kind of sectional type double spool joint.
Background technology
Multiple places such as factory, company, school or family all may need transfer of gas, and to meet different demands, such as, laboratory needs to carry the gases such as air, oxygen, hydrogen or nitrogen for experimentation；Family needs conveying coal gas or natural gas are used for cooking.On transfer of gas pipeline, it is generally required to utilize union joint connecting conveying pipe road and target device.There is various gas union joint on the market, but a lot of gas union joint takes all-in-one-piece structure, dismounting maintenance inner spool inconvenience, and have the shortcoming that air-tightness is bad more.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sectional type double spool joint, and knockdown structure taked by this sectional type double spool joint, and assembling maintenance inner spool is convenient, and air-tightness is good, and simple in construction is practical.
The purpose of this utility model realizes by the following technical solutions:
A kind of sectional type double spool joint, including the first core assembly and the second core assembly；Described first core assembly includes the first joint, the first spool, the first elastic component and the first sealing ring；Described second core assembly includes the second joint, the second spool, the second elastic component and the second sealing ring；
The first open tubular column that described first joint is through before and after being；The inwall of described first open tubular column is provided with the first bulge loop, and described first bulge loop is divided into the first front chamber and the first rear chamber the chamber of described first open tubular column；The second open tubular column that described second joint is through before and after being；The inwall of described second open tubular column is provided with the second bulge loop, and described second bulge loop is divided into the second front chamber and the second rear chamber the chamber of described second open tubular column；Described first joint and described second joint screw thread connect so that described first front chamber, the first rear chamber, the second front chamber and the second rear chamber are sequentially communicated；
Described first spool includes lead and the first diaphragm seal；Described lead is tightly connected with described first diaphragm seal；Described lead is cavity body structure, and its sidewall is provided with at least one steam vent；The external diameter of described lead is less than the internal diameter of described first bulge loop；The diameter of described first diaphragm seal is more than the internal diameter of described first bulge loop；Described lead enters described first front chamber through described first bulge loop, described first diaphragm seal and described first bulge loop against so that described first front chamber and described first rear chamber intercept；Described lead is provided with the first groove with the junction of described first diaphragm seal, and described first sealing ring is arranged in described first groove；One end of described first elastic component is connected with the bottom of described first diaphragm seal, and its other end is connected with the front end face of described second bulge loop；
Described second spool includes round platform post and the second diaphragm seal；The lower surface of described round platform post is connected with described second diaphragm seal；The maximum outside diameter of described round platform post is less than the internal diameter of described second bulge loop；The diameter of described second diaphragm seal is more than the internal diameter of described second bulge loop；Described round platform post enters described second front chamber the bottom with described first diaphragm seal through described second bulge loop and abuts, described second diaphragm seal and described second bulge loop against so that described second front chamber and the obstruct of described second rear chamber；Described round platform post is provided with the second groove with the junction of described second diaphragm seal, and described second sealing ring is arranged in described second groove；One end of described second elastic component is connected with the bottom of described second diaphragm seal, and its other end is connected with the inwall bottom described second rear chamber.
Preferably, the 3rd sealing ring is also included；The inwall of described first rear chamber is provided with female thread；The outer wall of described second front chamber is provided with the first external screw thread mated with described female thread；Described first externally threaded bottom is provided with the 3rd groove, and described 3rd sealing ring is arranged in described 3rd groove.
Preferably, the 4th sealing ring is also included；The inwall of described first front chamber is provided with the 4th groove, and described 4th sealing ring is arranged in described 4th groove.
Preferably, described first elastic component is set to the first spring；Described second elastic component is set to the second spring.
Preferably, the bottom of described first diaphragm seal is provided with the first projection；One end of described first elastic component is protruding with described first to be connected, and its other end is connected with the front end face of described second bulge loop；It is protruding that the bottom of described second diaphragm seal is provided with second；One end of described second elastic component is protruding with described second to be connected, and its other end is connected with the inwall bottom described second rear chamber.
Preferably, the quantity of described steam vent is four, and described four steam vents are uniformly distributed around the sidewall of described lead.
Preferably, also including that jump ring, described jump ring are axially disposed within the bottom within described second rear chamber, the sidewall of described jump ring is connected with the inwall of described second rear chamber；One end of described second elastic component is connected with the bottom of described second diaphragm seal, and its other end is connected with described jump ring.
Preferably, the inwall of described second rear chamber bottom is provided with a circle draw-in groove；The sidewall of described jump ring is installed in described draw-in groove.
Preferably, the front end face of described first bulge loop is coplanar with the roof of described first front chamber；The front end face of described second bulge loop is the diapire of described second front chamber, and end face is the roof of described second rear chamber thereafter.
Preferably, the outer wall of described first front chamber is provided with the second external screw thread；It is provided with the 3rd external screw thread on the outer wall of described second rear chamber.
Compared to existing technology, the beneficial effects of the utility model are:
(1) sectional type double spool joint provided by the utility model, the first joint and the second joint be threaded connection formation and assemble, this sectional type structure is set, facilitate user installation, maintenance and changing to be arranged on the parts such as spool of inside.And first be provided with the first sealing ring in joint, it is provided with the second sealing ring in the second joint, it is ensured that the air-tightness of this double spool joint.
(2) sectional type double spool joint provided by the utility model, owing to taking sectional type structure, can be easy to install and maintain inner body by the separation of the first joint and the second joint.And the joint of integral structure, it is generally required to additionally arrange dismountable component in the two ends of joint, when needs are installed and keep in repair inner body, these components must be unloaded just can operate, structure is complicated, troublesome poeration, and increasing of connection member can increase the probability that gas leaks.This sectional type double spool joint avoids and arranges detachable member in joint two ends, advantageously reduces the volume of finished product, advantageously reduces cost；And avoid detachable member and take gas passage so that the passage of gas is more smooth and easy.
(3) sectional type double spool joint provided by the utility model, the inwall of the first front chamber is provided with the 4th sealing ring so that the connection air-tightness of steam line and the first joint is more preferable, it is to avoid spool occurs, before and after opening, the phenomenon that gas leaks.
(4) sectional type double spool joint provided by the utility model, is additionally provided with the 3rd sealing ring in the junction of the first joint and the second joint, further ensure that air-tightness.
Accompanying drawing explanation
The assembling schematic diagram of the sectional type double spool joint that Fig. 1 is provided by this utility model embodiment；
The exploded perspective view of the sectional type double spool joint that Fig. 2 is provided by this utility model embodiment；
In figure: 10, the first joint；11, the first bulge loop；12, the first front chamber；13, the first rear chamber；14, the 4th groove；15, the 4th sealing ring；20, the first sealing ring；30, the first spool；31, lead；32, the first diaphragm seal；40, the first elastic component；50, the second joint；51, the second bulge loop；52, the second front chamber；53, the second rear chamber；54, draw-in groove；60, the 3rd sealing ring；70, the second sealing ring；80, the second spool；81, round platform post；82, the second diaphragm seal；90, the second elastic component；100, jump ring.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
As shown in Figure 1-2, a kind of sectional type double spool joint, including the first core assembly and the second core assembly；Described first core assembly includes the first joint the 10, first spool the 30, first elastic component 40 and the first sealing ring 20；Described second core assembly includes the second joint the 50, second spool the 80, second elastic component 90 and the second sealing ring 70；First joint 10 is the first the most through open tubular column；The inwall of described first open tubular column is provided with the first bulge loop 11, and the chamber of the first described first open tubular column of bulge loop 11 is divided into the first front chamber 12 and the first rear chamber 13；Second joint 50 is the second the most through open tubular column；The inwall of described second open tubular column is provided with the second bulge loop 51, and the chamber of the second described second open tubular column of bulge loop 51 is divided into the second front chamber 52 and the second rear chamber 53；First joint 10 and described second joint 50 are threaded so that first the 13, second front chamber of the 12, first rear chamber of front chamber 52 and the second rear chamber 53 are sequentially communicated；First spool 30 includes lead 31 and the first diaphragm seal 32；Lead 31 is tightly connected with the first diaphragm seal 32；Lead 31 is cavity body structure, and its sidewall is provided with at least one steam vent；The external diameter of lead 31 is less than the internal diameter of the first bulge loop 11；The diameter of the first diaphragm seal 32 is more than the internal diameter of the first bulge loop 11；Lead 31 through the first bulge loop 11 enter the first front chamber 12, the first diaphragm seal 32 and the first bulge loop 11 against so that the first front chamber 12 and the first rear chamber 13 intercept；The junction of lead 31 and the first diaphragm seal 32 is provided with the first groove, and the first sealing ring 20 is arranged in described first groove；One end of first elastic component 40 is connected with the bottom of the first diaphragm seal 32, and the front end face of its other end and the second bulge loop 51 connects；Second spool 80 includes round platform post 81 and the second diaphragm seal 82；The lower surface of round platform post 81 is connected with the second diaphragm seal 82；The maximum outside diameter of round platform post 81 is less than the internal diameter of the second bulge loop 51；The diameter of the second diaphragm seal 82 is more than the internal diameter of the second bulge loop 51；Round platform post 81 enters the second front chamber 52 through the second bulge loop 51 and the bottom with the first diaphragm seal 32 abuts, the second diaphragm seal 82 and the second bulge loop 51 against so that the second front chamber 52 and the second rear chamber 53 intercept；The junction of round platform post 81 and the second diaphragm seal 82 is provided with the second groove, and the second sealing ring 70 is arranged in described second groove；One end of second elastic component 90 is connected with the bottom of the second diaphragm seal 82, and the inwall bottom its other end and the second rear chamber 53 connects.
Below, the set-up mode of this sectional type double spool joint is further described.
This sectional type double spool joint can also include the 3rd sealing ring 60；The inwall of the first rear chamber 13 is provided with female thread；The outer wall of the second front chamber 52 is provided with the first external screw thread mated with described female thread；Described first externally threaded bottom is provided with the 3rd groove, and the 3rd sealing ring 60 is arranged in described 3rd groove.The junction of the i.e. first joint 10 and the second joint 50 is provided with the 3rd sealing ring 60, further ensure that air-tightness.
This sectional type double spool joint can also include the 4th sealing ring 15；The inwall of the first front chamber 12 is provided with the 4th groove 14, and the 4th sealing ring 15 is arranged in the 4th groove 14.4th sealing ring 15 makes the connection air-tightness of steam line and the first joint 10 more preferable, it is to avoid spool occurs, before and after opening, the phenomenon that gas leaks.And the first elastic component 40 could be arranged to the first spring, the second elastic component 90 could be arranged to the second spring, simple in construction.So that the connection of the first spring and the second spring more fastens, can arrange the first projection in the bottom of the first diaphragm seal 32, one end of the first spring is fixed by described first projection, and the front end face of its other end and the second bulge loop 51 connects；Meanwhile, second can be provided with in the bottom of the second diaphragm seal 82 protruding；One end of second spring is fixed by described second projection, and the inwall bottom its other end and the second rear chamber 53 connects.
Specifically, the connected mode of the second elastic component 90 and the second rear chamber 53 can take following set-up mode.Can arrange jump ring 100 in the bottom within the second rear chamber 53, jump ring 100 takes the sidewall of axially arranged mode, i.e. jump ring 100 and the inwall of the second rear chamber 53 to connect；One end of second elastic component 90 is connected with the bottom of the second diaphragm seal 82, and its other end is connected with jump ring 100.More specifically, can be provided with a circle draw-in groove 54 on the inwall of the second rear chamber 53 bottom, the sidewall of jump ring 100 is installed in draw-in groove 54；Or, jump ring 100 can be replaced with threaded spring pressuring plate, draw-in groove 54 replaces with threaded thread groove, and spring pressuring plate is threadeded with thread groove.
It addition, so that gas circuit is more smooth and easy, can arrange four steam vents, described four steam vents are uniformly distributed around the sidewall of lead 31.But steam vent to arrange quantity indefinite, can be set according to the practical situation of the size of steam vent, supply gas circuit.
Further, the front end face of the first bulge loop 11 and the roof of the first front chamber 12 are coplanar, are equivalent to the internal diameter internal diameter less than the first rear chamber 13 of the first front chamber 12 so that the first front chamber 12 and the first rear chamber 13 form staged moulding.And the diapire that the front end face of the second bulge loop 51 is the second front chamber 52, end face is the roof of the second rear chamber 53 thereafter.
More specifically, be provided with the second external screw thread on the outer wall of the first front chamber 12, for being connected with the pipeline of gas equipment；And it is provided with the 3rd external screw thread on the outer wall of the second rear chamber 53, for the connection with steam line.
Below, the operation principle of the sectional type double spool joint provided by this utility model embodiment:
Correctly assemble this sectional type double spool joint according to predetermined manner, the first joint 10 is connected with the pipeline of gas equipment, and the second joint 50 is connected with steam line.Open the switch of gas equipment, the push rod that gas equipment is provided with can give the first spool 30 thrust backward, first spool 30 drives the second spool 80 to be moved rearwards by, now, first diaphragm seal 32 departs from the first bulge loop 11 and is moved rearwards by, and the second diaphragm seal 82 departs from the second bulge loop 51 and is moved rearwards by, and gas circuit is opened, gas steam vent from the first spool 30 is discharged, and flows through on the gas equipment of inner chamber conveying of the second joint 50.The thrust that push rod is granted is the biggest, and steam vent is opened the most abundant, and the gas flow between the second spool 80 and the second bulge loop 51 internal diameter is the biggest, and gas flow is the biggest；On the contrary, gas flow is the least.While first spool 30 is moved rearwards by, the first elastic component 40 is compressed, and while the second spool 80 is moved rearwards by, the second elastic component 90 is compressed；When closing the switch of gas equipment, push rod is regained, and the first elastic component 40 and the second elastic component 90 are released simultaneously, first elastic component 40 is upspring, and moment promotes the first spool 30 to move forward, and the first diaphragm seal 32 is sealed against with the first bulge loop 11, completing to reset, steam vent is plugged；Second elastic component 90 is upspring, and moment promotes the second spool 80 to move forward, and the second diaphragm seal 82 is sealed against with the second bulge loop 51, completes to reset, and the gas flow between the second spool 80 and the second bulge loop 51 is plugged, it is achieved that the blocking-up of whole gas circuit.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.
Claims (10)
1. a sectional type double spool joint, it is characterised in that include the first core assembly and
Second core assembly；
Described first core assembly includes the first joint, the first spool, the first elastic component and first
Sealing ring；Described second core assembly include the second joint, the second spool, the second elastic component and
Second sealing ring；
The first open tubular column that described first joint is through before and after being；The inwall of described first open tubular column
Being provided with the first bulge loop, described first bulge loop is divided into first the chamber of described first open tubular column
Front chamber and the first rear chamber；The second open tubular column that described second joint is through before and after being；Described
The inwall of the second open tubular column is provided with the second bulge loop, and described second bulge loop is described second open tubular column
Chamber be divided into the second front chamber and the second rear chamber；Described first joint and described second connects
Head thread connects so that described first front chamber, the first rear chamber, the second front chamber and second
Rear chamber is sequentially communicated；
Described first spool includes lead and the first diaphragm seal；Described lead and described first
Diaphragm seal is tightly connected；Described lead is cavity body structure, and its sidewall is provided with at least one
Steam vent；The external diameter of described lead is less than the internal diameter of described first bulge loop；Described first seals
The diameter of sheet is more than the internal diameter of described first bulge loop；Described lead enters through described first bulge loop
Enter described first front chamber, described first diaphragm seal and described first bulge loop against so that described
First front chamber and described first rear chamber intercept；Described lead and described first diaphragm seal
Junction is provided with the first groove, and described first sealing ring is arranged in described first groove；Institute
The bottom of one end and described first diaphragm seal of stating the first elastic component is connected, and its other end is with described
The front end face of the second bulge loop connects；
Described second spool includes round platform post and the second diaphragm seal；The lower surface of described round platform post with
Described second diaphragm seal connects；The maximum outside diameter of described round platform post is interior less than described second bulge loop
Footpath；The diameter of described second diaphragm seal is more than the internal diameter of described second bulge loop；Described round platform post is worn
Cross described second bulge loop described second front chamber of entrance and the bottom with described first diaphragm seal is supported
Connect, described second diaphragm seal and described second bulge loop against so that described second front chamber and institute
State the second rear chamber to intercept；The junction of described round platform post and described second diaphragm seal is provided with the
Two grooves, described second sealing ring is arranged in described second groove；Described second elastic component
One end is connected with the bottom of described second diaphragm seal, bottom its other end and described second rear chamber
Inwall connect.
Sectional type double spool joint the most according to claim 1, it is characterised in that also
Including the 3rd sealing ring；The inwall of described first rear chamber is provided with female thread；Before described second
The outer wall of chamber is provided with the first external screw thread mated with described female thread；Described first external screw thread
Bottom be provided with the 3rd groove, described 3rd sealing ring is arranged in described 3rd groove.
Sectional type double spool joint the most according to claim 1, it is characterised in that also
Including the 4th sealing ring；The inwall of described first front chamber is provided with the 4th groove, and the described 4th
Sealing ring is arranged in described 4th groove.
Sectional type double spool joint the most according to claim 1, it is characterised in that institute
State the first elastic component and be set to the first spring；Described second elastic component is set to the second spring.
Sectional type double spool joint the most according to claim 1, it is characterised in that institute
The bottom stating the first diaphragm seal is provided with the first projection；One end of described first elastic component is with described
First protruding connection, its other end is connected with the front end face of described second bulge loop；
It is protruding that the bottom of described second diaphragm seal is provided with second；One end of described second elastic component
Being connected with described second projection, its other end is connected with the inwall bottom described second rear chamber.
Sectional type double spool joint the most according to claim 1, it is characterised in that institute
The quantity stating steam vent is four, and described four steam vents are uniform around the sidewall of described lead
Distribution.
Sectional type double spool joint the most according to claim 1, it is characterised in that also
Including jump ring, described jump ring is axially disposed within the bottom within described second rear chamber, described card
The sidewall of spring is connected with the inwall of described second rear chamber；One end of described second elastic component and institute
The bottom stating the second diaphragm seal connects, and its other end is connected with described jump ring.
Sectional type double spool joint the most according to claim 7, it is characterised in that institute
State and on the inwall of the second rear chamber bottom, be provided with a circle draw-in groove；The sidewall of described jump ring is installed on
In described draw-in groove.
Sectional type double spool joint the most according to claim 1, it is characterised in that institute
The front end face stating the first bulge loop is coplanar with the roof of described first front chamber；Described second bulge loop
Front end face is the diapire of described second front chamber, and end face is the top of described second rear chamber thereafter
Wall.
Sectional type double spool joint the most according to claim 1, it is characterised in that institute
State and on the outer wall of the first front chamber, be provided with the second external screw thread；On the outer wall of described second rear chamber
It is provided with the 3rd external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512264.XU CN205781584U (en) | 2016-05-27 | 2016-05-27 | A kind of sectional type double spool joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512264.XU CN205781584U (en) | 2016-05-27 | 2016-05-27 | A kind of sectional type double spool joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781584U true CN205781584U (en) | 2016-12-07 |
Family
ID=58139386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620512264.XU Active CN205781584U (en) | 2016-05-27 | 2016-05-27 | A kind of sectional type double spool joint |
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| Country | Link |
|---|---|
| CN (1) | CN205781584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022142502A1 (en) * | 2021-01-04 | 2022-07-07 | 伟鑫(广州)工业科技有限公司 | Anti-collision self-closing valve |
| CN117231829A (en) * | 2023-11-15 | 2023-12-15 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
-
2016
- 2016-05-27 CN CN201620512264.XU patent/CN205781584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022142502A1 (en) * | 2021-01-04 | 2022-07-07 | 伟鑫(广州)工业科技有限公司 | Anti-collision self-closing valve |
| CN117231829A (en) * | 2023-11-15 | 2023-12-15 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
| CN117231829B (en) * | 2023-11-15 | 2024-01-30 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |