CN109595416B - Socket and plug for gas pipeline and connecting device - Google Patents
Socket and plug for gas pipeline and connecting device Download PDFInfo
- Publication number
- CN109595416B CN109595416B CN201910056127.8A CN201910056127A CN109595416B CN 109595416 B CN109595416 B CN 109595416B CN 201910056127 A CN201910056127 A CN 201910056127A CN 109595416 B CN109595416 B CN 109595416B
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- Prior art keywords
- ring
- valve core
- plug
- valve seat
- seat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/44—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with one lift valve being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The application relates to a socket, a plug and a connecting device for a gas pipeline, which belong to the technical field of gas pipeline connection and comprise a conversion seat and a valve seat; an air inlet interface and an air outlet interface which are communicated with each other are arranged in the conversion seat; the air outlet interface is fixedly connected with the valve seat, and a valve core is arranged in the valve seat in a sliding and sealing manner; the valve core is provided with a gas channel communicated with the valve seat, and the gas channel is communicated with or closed by the axial movement of the valve core and the air inlet interface; a first sealing ring is arranged at one end of the valve core, which is far away from the air outlet interface; a unlocking ring for blocking the first sealing ring from sliding out is arranged in the valve seat; the valve seat is connected with a locking component. The beneficial effects of the application are as follows: when a user installs, the plug is only required to be inserted into the valve seat, and the locking component locks the plug, so that the installation is completed, the installation is simple and convenient, and the installation efficiency is obviously improved; when the plug is disassembled, only the plug is required to be unlocked and pulled out, the valve core can be automatically closed, the operation is very convenient, and the popularization and the application are facilitated.
Description
Technical Field
The application relates to the technical field of gas pipeline connection, in particular to a socket, a plug and a connecting device for a gas pipeline.
Background
The existing indoor gas pipelines are in two forms of open installation and hidden installation, and the conversion between a fixed pipeline and a movable pipeline of a combustion apparatus exists. During open installation, a valve with an adapter or a special adapter is arranged on the pipeline to realize the connection of the fixed pipeline and the gas appliance hose. When in hidden installation, the stainless steel corrugated pipe or the aluminum plastic composite pipe is buried in the wall, then the pipe is bent to directly extend out of the wall, and then the pipe end is provided with a valve and an adapter, so that the connection between the fixed pipeline and the gas appliance hose is realized. When installing the valve and converting, professional installation tools are needed, and the valve is installed by professional constructors, so that the valve is complex to install, the installation efficiency is low, and users are inconvenient. The present application proposes a solution to the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the application adopts a technical scheme that: the utility model provides a socket and plug and connecting device for gas pipeline solves the technical problem that installation effectiveness is low.
The aim of the application is realized by the following technical scheme: the utility model provides a socket for gas pipeline which characterized in that: comprises a conversion seat and a valve seat; an air inlet interface and an air outlet interface which are mutually communicated are arranged in the conversion seat; the air outlet interface is fixedly connected with a valve seat, and a valve core is arranged in the valve seat in a sliding sealing manner; the valve core is provided with a gas channel communicated with the valve seat, and the gas channel is communicated with or closed by the axial movement of the valve core and the air inlet interface; a first sealing ring is arranged at one end of the valve core, which is far away from the air outlet interface; a unlocking ring for blocking the first sealing ring from sliding out is arranged in the valve seat; and the valve seat is connected with a locking assembly.
Preferably, a first spring is arranged between one end of the valve core, which is close to the air outlet interface, and the conversion seat.
Preferably, a second sealing ring and a third sealing ring are arranged between the outer circle of the valve core and the valve seat; and the gas passage is located between the second seal ring and the third seal ring.
Preferably, the locking assembly comprises a slip ring and a plurality of steel balls; the slip ring is sleeved on the outer circle of the valve seat in a sliding way; the valve seat is provided with a plurality of clamping through holes matched with the steel balls along the outer circle, and the outer circle of the plug is provided with a plurality of concave rings matched with the steel balls; the steel ball is arranged in the clamping through hole; an annular positioning ring is arranged on the inner wall of the slip ring; the inner wall of the positioning ring is abutted against the steel ball; a second spring is arranged in the slip ring and is abutted between the positioning ring and the valve seat; the valve seat is provided with a limiting elastic opening ring limiting the slip ring.
Preferably, an unlocking button is arranged on one side of the slip ring, and the unlocking button is arranged in a sliding manner along the axial direction of the slip ring; the conversion seat is fixedly provided with a first supporting seat, the unlocking button is arranged in the first supporting seat in a sliding mode, a third spring is arranged between the unlocking button and the bottom of the first supporting seat, one side of the sliding ring is provided with an unlocking linkage body, and the unlocking button is pressed on the unlocking linkage body.
Preferably, the wall body is provided with a switch seat, a valve seat and a locking component, wherein the switch seat, the valve seat and the locking component are arranged in the wall body; the hidden box body is detachably fixed with a box cover; the unlocking button protrudes out of the box cover.
Preferably, the valve core comprises an upper valve core and a lower valve core; the upper valve core and the lower valve core are of a split structure or an integrated structure.
Preferably, the upper valve core and the lower valve core are of split structures; one end of the upper valve core is detachably fixed at the end part of the lower valve core; a mandrel is arranged in the gas channel in a sliding manner; the mandrel comprises a transmission part, a sealing part and a guiding part which are sequentially arranged; gas channels are formed in the upper valve core and the lower valve core; the inner wall of the gas channel is provided with a third limiting ring, and a through hole matched with the guide part is formed in the third limiting ring; the inner wall of the gas channel is provided with a sealing port which is in sealing connection with the mandrel sealing part; and a fifth spring for driving the mandrel to reset is arranged in the gas channel.
A plug, characterized in that: the valve seat comprises a plug, wherein one end of the plug is inserted into the valve seat; the end face of the plug is abutted against the first sealing ring; the outer circle of the plug is provided with a second limiting ring for limiting the unlocking ring; the outer circle of the plug is provided with a concave ring matched with the steel ball.
A connection device, characterized in that: comprising the socket and the plug.
The beneficial effects of the application are as follows:
when the plug is inserted into the valve seat, the valve core is driven to slide, and the gas channel is communicated with the gas inlet interface, so that the plug is communicated with the gas inlet interface to finish installation; when the plug is required to be disassembled, the plug is only required to be unlocked and pulled out, and the gas channel is cut off from the gas inlet interface to finish the disassembly; when a user installs, the plug is only required to be inserted into the valve seat, and the locking component locks the plug, so that the installation is completed, the installation is simple and convenient, and the installation efficiency is obviously improved; when the plug is disassembled, only the plug is required to be unlocked and pulled out, the valve core can be automatically closed, the operation is very convenient, and the popularization and the application are facilitated.
Drawings
Fig. 1 is a schematic structural view of a socket (first embodiment);
FIG. 2 is a schematic view of the structure with the plug inserted and the first spring uncompressed (first embodiment);
fig. 3 is a schematic view of a plug-in and locking structure (first embodiment);
FIG. 4 is a partial detail view of FIG. 3 (first embodiment);
fig. 5 is a side view of fig. 3 (first embodiment);
fig. 6 is a schematic structural view of the fire prevention mechanism (first embodiment);
fig. 7 is a schematic structural view of the axes of the air inlet interface and the air outlet interface parallel to each other (first embodiment);
fig. 8 is a schematic view of a three-way structure (first embodiment);
fig. 9 is a schematic structural view of a socket (second embodiment);
FIG. 10 is a schematic view of the structure when the fifth spring is compressed and the first spring is not compressed (second embodiment);
fig. 11 is a schematic view of a structure in which a plug is inserted and locked (second embodiment);
FIG. 12 is a cross-sectional view of a third stop collar (second embodiment);
in the figure: 1-switching seat, 2-valve seat, 3-valve core, 4-plug, 5-first spring, 6-second sealing ring, 7-third sealing ring, 8-gas channel, 9-lock nut, 10-fifth sealing ring, 11-two-half snap ring, 12-buried box, 13-lid, 14-slip ring, 15-steel ball, 16-positioning ring, 17-second spring, 18-first sealing ring, 19-unlocking ring, 20-unlocking button, 21-first supporting seat, 22-third spring, 23-unlocking linkage, 24-second supporting seat, 25-linkage interface, 26-fourth spring, 27-temperature-sensing glass ball, 28-first movable support, 29-intake pipe, 30-outlet pipe, 31-wall, 32-fourth sealing ring, 33-concave ring, 34-first limiting ring, 35-second limiting ring, 36-sixth sealing ring, 37-limiting elastic opening ring, 38-second movable support,
39-upper valve core, 40-lower valve core, 41-transmission part, 42-sealing part, 43-guiding part, 44-third limiting ring, 45-fifth spring, 46-seventh sealing ring, 47-eighth sealing ring and 48-vent.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
First embodiment:
as shown in fig. 1 to 8, a socket, plug and connection device for a gas pipeline is characterized in that: comprises a conversion seat 1 and a valve seat 2; an air inlet interface and an air outlet interface which are mutually communicated are formed in the conversion seat 1; the air outlet interface is fixedly connected with the valve seat 2, and a valve core 3 is arranged in the valve seat 2 in a sliding sealing manner; the valve core 3 is provided with a gas channel 8 communicated with the valve seat 2, and the gas channel 8 is communicated with the air inlet interface or closed by the axial movement of the valve core 3; a first sealing ring 18 is arranged at one end of the valve core 3 away from the air outlet interface; an unlocking ring 19 for blocking the first sealing ring 18 from sliding out is arranged in the valve seat 2; the valve seat 2 is connected with a locking component.
As shown in fig. 2, after the plug 4 is inserted into the valve seat 2, the valve core 3 is driven to slide, the gas channel 8 is communicated with the air inlet interface, so that the plug 4 is communicated with the air inlet interface, and the installation is completed; as shown in fig. 3, when the plug 4 needs to be disassembled, only the plug 4 needs to be unlocked and pulled out, and the gas channel 8 is disconnected with the gas inlet interface to complete the disassembly; when a user installs, the plug 4 is only required to be inserted into the valve seat 2, the locking component locks the plug 4, the installation is completed, the installation is simple and convenient, and the installation efficiency is obviously improved; when the plug is disassembled, only the plug 4 is required to be unlocked and pulled out, the valve core 3 can be automatically closed, the operation is very convenient, and the popularization and the application are facilitated.
A first spring 5 is arranged between one end of the valve core 3, which is close to the air outlet interface, and the conversion seat 1, and the first spring 5 is a compression spring and plays a resetting role to drive the valve core 3 to move so as to realize automatic sealing of the valve core 3.
A second sealing ring 6 and a third sealing ring 7 are arranged between the outer circle of the valve core 3 and the valve seat 2; and a gas channel 8 is located between the second sealing ring 6 and the third sealing ring 7. When the plug 4 is inserted into the valve seat 2, the valve core 3 is driven to slide, the first spring 5 arranged between the valve core 3 and the conversion seat 1 is compressed, the second sealing ring 6 is always in contact with the conversion seat 1 and plays a sealing role, the third sealing ring 7 is separated from the conversion seat 1, the gas channel 8 is communicated with the gas inlet interface, so that the plug 4 is communicated with the gas inlet interface, and the installation is completed; when the plug 4 needs to be disassembled, only the plug 4 needs to be unlocked and pulled out, the valve core 3 is driven to slide under the action of the reset elastic force of the first spring 5, the third sealing ring 7 is in contact with the conversion seat 1 and plays a sealing role, and the gas channel 8 is cut off from the gas inlet interface, so that the disassembly is completed.
In this embodiment, two second seal rings 6 are provided, and are uniformly disposed along the axial direction of the valve element 3. The third sealing ring 7 is provided with one, which functions as a seal after venting of the socket. The valve seat 2 is fixed on the air outlet interface of the conversion seat 1 through threads, and a sixth sealing ring 36 with sealing function is arranged between the valve seat 2 and the conversion seat 1.
The air inlet pipe 29 is a corrugated pipe, the air inlet pipe 29 is inserted into the air inlet interface, and the air inlet pipe 29 is sleeved with the locking nut 9; the outer circle of the lock nut 9 is provided with an external thread, and the inner wall of the recent interface is provided with a matched internal thread; and the inner wall of the air inlet interface is provided with a second step, and a fifth sealing ring 10 sleeved on the air inlet pipe 29 is arranged between the locking nut 9 and the second step. By tightening the lock nut 9, the fifth sealing ring 10 is pressed to perform a sealing function, preventing the fuel gas from escaping from between the intake pipe 29 and the conversion seat 1.
The end face of the fifth sealing ring 10 has an end face sealing portion 42 extending towards the center, and two ends of the end face sealing portion 42 respectively lean against the end face of the air inlet pipe 29 and the step face of the second step, so that the fifth sealing ring 10 has a double sealing function, an end face sealing function and a circumferential sealing function, and the sealing is more reliable. In order to prevent the end face seal 42 from being deformed into the interior of the adapter 1 by pressing, a stop ring extending axially toward the adapter 1 is provided at the edge of the second step. In order to protect the fifth sealing ring 10, a two-half type clamping ring 11 is arranged between the locking nut 9 and the fifth sealing ring 10, the two-half type clamping ring 11 is composed of two semicircular rings, the corrugated pipe is clamped, the fifth sealing ring 10 is pushed inwards, and axial stopping and sealing of the corrugated pipe are achieved.
The number of the air inlet interfaces and the number of the air outlet interfaces are plural, two air inlet interfaces and one air outlet interface are provided, so that a three-way socket is formed, as shown in fig. 8, and in the embodiment, one air inlet interface and one air outlet interface are respectively provided.
The axis of the air inlet interface and the axis of the air outlet interface are parallel or perpendicular to each other. When the gas pipeline is in open installation, the two axes are parallel to each other, as shown in fig. 7; when the gas pipeline is in hidden installation, the two axes are perpendicular to each other, as shown in fig. 2. Of course, when the steering installation is needed, the two axes can be mutually perpendicular to be used as an elbow when the gas pipeline is installed clearly.
When the gas pipeline is installed, the axis of the gas inlet interface is mutually perpendicular to the axis of the gas outlet interface, the socket further comprises a buried box body 12, the conversion seat 1, the valve seat 2 and the locking assembly are all arranged in the buried box body 12, and the buried box body 12 is fixed in the wall 31; the hidden box body 12 is detachably fixed with a box cover 13; the plug 4 passes through the box cover 13 and is connected with an air outlet pipe 30, an air inlet port is connected with an air inlet pipe 29, and the air inlet pipe 29 passes through the buried box body 12 and is buried in the wall body 31. The unlocking button 20 protrudes from the box cover 13, and is convenient to press. The socket body is arranged in the wall 31 through the buried box body 12, the wall surface is smooth, the installation is convenient, the house space is attractive, and the requirements of modern assembled buildings and fine decoration houses are met.
The locking assembly comprises a slip ring 14 and a plurality of steel balls 15; the slip ring 14 is sleeved on the outer circle of the valve seat 2 in a sliding way; the valve seat 2 is provided with a plurality of clamping through holes matched with the steel balls 15 along the outer circle, and the outer circle of the plug 4 is provided with a plurality of concave rings 33 matched with the steel balls 15; the steel ball 15 is arranged in the clamping through hole; an annular positioning ring 16 is arranged on the inner wall of the slip ring 14; the inner wall of the positioning ring 16 is abutted against the steel ball 15; the slip ring 14 is internally provided with a second spring 17, the second spring 17 is abutted between the positioning ring 16 and the valve seat 2, and one end of the positioning ring 16, which is far away from the second spring 17, is an inclined surface. When the plug 4 is installed, the slip ring 14 is pressed while the plug 4 is inserted, the steel ball 15 moves towards the outer side of the valve seat 2 under the extrusion of the plug 4, after the plug 4 is inserted in place, the slip ring 14 is loosened, the inclined surface on the positioning ring 16 extrudes the steel ball 15 under the action of the reset spring force of the second spring 17, the steel ball 15 is extruded and clamped in the concave ring 33 of the plug 4, the inner wall of the positioning ring 16 is abutted against the steel ball 15, and the steel ball 15 is prevented from sliding out, so that the plug 4 can be fixed; when the plug 4 is disassembled, the plug 4 is pulled out only by pressing the sliding ring 14, and the steel ball 15 moves outwards under the extrusion force of the plug 4, so that the plug 4 can be pulled out smoothly; the installation and the dismantlement are convenient, easy operation is favorable to improving dismouting efficiency to the user can divide the completion installation personally, need not to have improved the convenience greatly with the help of professional instrument.
The valve seat 2 is provided with a limiting elastic split ring 37 for limiting the slip ring 14, in this embodiment, a groove is formed in the outer circle of the valve seat 2, and the limiting elastic split ring 37 is disposed in the groove and above the positioning ring 16 and the steel ball 15, so as to prevent the slip ring 14 and the steel ball 15 from being ejected.
A gap smaller than the diameter of the steel ball 15 is reserved between the inner wall of the slip ring 14 and the outer circle of the valve seat 2, so that the steel ball 15 can smoothly slide into the concave ring 33 of the plug 4.
As shown in fig. 5, in order to facilitate the pressing of the slip ring 14, an unlocking button 20 is provided on one side of the slip ring 14, the unlocking button 20 is slidably provided along the axial direction of the slip ring 14, and the unlocking button 20 abuts against one side of the slip ring 14, and the pressing of the unlocking button 20 can drive the slip ring 14 to slide together; specifically, a first supporting seat 21 is fixed on the conversion seat 1, an unlocking button 20 is arranged in the first supporting seat 21 in a sliding way, a third spring 22 is arranged between the unlocking button 20 and the bottom of the first supporting seat 21,
the third spring 22 plays a role of automatic return. An unlocking linkage 23 is provided on one side of the slip ring 14, and the unlocking button 20 is pressed against the unlocking linkage 23 by a second movable support 38.
The first spring 5, the second spring 17 and the third spring 22 are compression springs.
The socket is provided with a fireproof mechanism; the fireproof mechanism comprises a valve seat 2 and a slip ring 14, and the slip ring 14 is arranged in a sliding way along the axial direction; the valve seat 2 is opened or closed by the axial movement of the slip ring 14; the method is characterized in that: also included is a first movable support 28; a fourth spring 26 and a temperature-sensing glass ball 27 are arranged on one side of the slip ring 14; one end of the fourth spring 26 is fixedly arranged, the other end is a free end, and the free end of the fourth spring 26 is fixedly connected with the first movable support 28; one end of the temperature sensing glass ball 27 is fixedly arranged, and the other end of the temperature sensing glass ball is fixedly arranged and supports a first movable support 28; the fourth spring 26 is stretched; the first movable support 28 is pressed against the slip ring 14.
The fourth spring 26 is a tension spring, and in a tension state, the temperature-sensitive glass ball 27 plays a supporting role in a normal state, and balances the tension of the fourth spring 26. When the socket is in fire, the temperature rises and reaches the burst temperature of the temperature-sensing glass ball 27, the temperature-sensing glass ball 27 can burst, the supporting function is lost, the first movable support 28 drives the slip ring 14 to move downwards under the tensile force of the fourth spring 26, the socket opens and pops up the plug 4, the gas channel is blocked, the gas channel is self-closed, the automatic fire-proof function is achieved, the reaction is sensitive, the reliability is strong, and the fire-proof performance and the safety performance of equipment are greatly improved. And simple structure does benefit to popularization and use, after the fire prevention is relieved, can use professional instrument to open the socket, and installation new temperature sensing glass ball 27 can used repeatedly, has improved the life of socket, has showing and has reduced maintenance cost.
The socket also comprises a second supporting seat 24 which is fixedly arranged, and the second supporting seat 24 is fixed on the socket; the fixed ends of the fourth spring 26 and the temperature-sensitive glass ball 27 are fixed on the second supporting seat 24.
The slip ring 14 has a lateral surface with a coupling interface 25, and the first movable support 28 is pressed against the coupling interface 25. The linkage interface 25 is a protrusion or a groove; in this embodiment, the linkage interface 25 is a protrusion extending to the outside of the slip ring 14, and the linkage interface 25 and the slip ring 14 are in an integral structure, which is beneficial to processing and molding.
The fourth springs 26 are provided in plurality to ensure sufficient resilience, in this embodiment, two of the fourth springs 26 are provided, and the temperature-sensitive glass ball 27 is provided in the middle of the two fourth springs 26.
The valve core 3 is provided with a first step at one end close to the first spring 5, and a fourth sealing ring 32 is arranged between the first step and the end face of the valve seat 2; the fourth sealing ring 32 is made of asbestos material, expands when heat occurs, and has a fireproof function.
The temperature sensing glass ball 27 is internally provided with a certain amount of heat sensitive color expansion liquid, belongs to the prior art, and when the liquid is heated to expand to a preset value when a fire disaster occurs, the temperature sensing glass ball 27 bursts, and in the embodiment, the bursting temperature of the temperature sensing glass ball 27 is 60 ℃. Once a fire disaster occurs, after the temperature exceeds 60 ℃, the temperature-sensing glass ball 27 bursts and loses the supporting function, the first movable support 28 moves under the action of the fourth spring 26 and drives the slip ring 14 to move through the linkage interface 25, the plug 4 automatically pops up under the action of the reset elastic force of the first spring 5, the valve core 3 resets and seals, and the gas channel 8 is automatically cut off; when the temperature exceeds 200 ℃, the fourth sealing ring 32 expands and enters a sealing state, and even if the second sealing ring 6 and the third sealing ring 7 are damaged, the sealing can be continued, the fireproof function is good, and the safety performance is remarkably improved.
The valve core 3 comprises an upper valve core 39 and a lower valve core 40; the upper valve core 39 and the lower valve core 40 are of an integral structure.
A plug, characterized in that: the valve seat comprises a plug 4, wherein one end of the plug 4 is inserted into the valve seat 2; the end face of the plug 4 abuts against the first sealing ring 18; the outer circle of the plug 4 is provided with a second limit ring 35 for limiting the unlocking ring 19; the outer circle of the plug 4 is provided with a concave ring 33 matched with the steel ball 15.
The plug 4 tightly presses the first sealing ring 18 against the valve core 3, and the starting end face is sealed to prevent fuel gas from overflowing from a gap between the plug 4 and the valve core 3; an unlocking ring 19 for blocking the first sealing ring 18 from sliding out is arranged in the valve seat 2, a first limiting ring 34 is arranged on the inner wall of the valve seat 2, and a second limiting ring 35 positioned below the concave ring 33 is arranged in the middle of the plug 4; one end of the unlocking ring 19 is abutted against the first sealing ring 18, and the other end is abutted against the second limiting ring 35; and the first limiting ring 34 abuts against the middle part of the unlocking ring 19 to prevent the unlocking ring 19 from sliding out. When the plug 4 is removed, the unlocking ring 19 prevents the first sealing ring 18 from sliding out.
The end face of the plug 4 is arranged beyond the end face of the unlocking ring 19. In the process of inserting the plug 4, the first sealing ring 18 is extruded through the end face of the plug 4, and after the sealing effect is achieved, the end face of the unlocking ring 19 begins to compress the first sealing ring 18, so that the sealing reliability is guaranteed.
A connection device, characterized in that: comprising said socket and said plug 4. The socket and the plug 4 are convenient to be produced and sold as a whole, which is beneficial to standardized production and popularization and application.
Second embodiment:
as shown in fig. 9 to 12, the other structures are the same as those of the first embodiment except for the structure of the spool 3. In the present embodiment, the valve core 3 includes an upper valve core 39 and a lower valve core 40, and the upper valve core 39 and the lower valve core 40 are of a split structure; one end of the upper valve core 39 is detachably fixed at the end of the lower valve core 40; a mandrel is arranged in the gas channel 8 in a sliding manner; the mandrel comprises a transmission part 41, a sealing part 42 and a guiding part 43 which are sequentially arranged; the upper valve core 39 and the lower valve core 40 are internally provided with a gas channel 8; the inner wall of the gas channel 8 is provided with a third limiting ring 44, and the third limiting ring 44 is provided with a through hole matched with the guide part 43; the inner wall of the gas channel 8 is provided with a sealing port which is in sealing connection with the mandrel sealing part 42; a fifth spring 45 for driving the mandrel to reset is arranged in the gas channel 8.
When the plug 4 is inserted, the mandrel is driven to move, the mandrel sealing part 42 is separated from the sealing opening, the gas channel 8 is communicated, and the socket can be communicated; when the plug 4 is pulled out, the mandrel is reset, the mandrel sealing part 42 is propped against the inner wall of the sealing port to play a sealing role, the gas channel 8 is blocked, and the socket is closed; besides the sealing of the outer wall of the valve core 3, the mandrel arranged in the gas channel 8 has an automatic sealing function, so that one seal is added, the seal is more reliable, and the safety performance of the socket is improved. And the guide part 43 slides along the through hole of the third limiting ring 44 to play a role in guiding, so that the core shaft can slide smoothly, and the stability of the socket is higher.
The head of the mandrel transmission part 41 extends out of the gas channel 8, and when the plug 4 is inserted, the transmission part 41 is propped up to drive the mandrel to move downwards, so that the gas channel 8 is opened.
The upper valve core 39 and the lower valve core 40 are fixedly connected through threads, so that the disassembly and assembly are convenient. And an eighth sealing ring 47 is arranged between the end surface of the upper valve core 39 and the end surface of the lower valve core 40 to play a sealing role.
The gas channel 8 comprises a transverse portion and a longitudinal portion; the transverse portion is provided in the lower spool 40 and the longitudinal portion is provided in the upper spool 39, and the spindle is provided in the longitudinal portion of the gas channel 8. The diameter of the transmission part 41, and the diameter of the sealing part 42 is larger than the diameter of the transmission part 41. The fifth spring 45 is disposed between the spindle sealing portion 42 and the third limiting ring 44, and the fifth spring 45 is a compression spring, and plays a role in resetting. And in the process of inserting the plug 4, the fifth spring 45 is compressed first, as shown in fig. 10, the plug 4 is communicated with the air inlet channel, then the first spring 5 is compressed, and the plug 4 is communicated with the air inlet interface of the conversion seat 1, as shown in fig. 11.
The third stop collar 44 is provided with a plurality of ventilation holes 48, as shown in fig. 12, in this embodiment, the ventilation holes 48 are uniformly arranged along the circumferential direction of the third stop collar 44, and three ventilation holes are specifically formed, so as to ensure that the fuel gas smoothly passes through.
The inner wall of the sealing port is conical, the outer wall of the mandrel sealing part 42 is matched with the inner wall of the sealing port, a seventh sealing ring 46 is arranged between the outer wall of the mandrel sealing part 42 and the inner wall of the sealing port, the conical surface is favorable for improving the sealing effect, the sealing effect is double-sealing, the conical surface is sealed hard, the seventh sealing ring 46 is sealed soft, and the sealing is more reliable.
The transmission part 41, the sealing part 42 and the guiding part 43 of the mandrel are of a split structure or an integrated structure, when the mandrel is of a split structure, the mandrel can be fixedly connected through threads, and when the mandrel is of an integrated structure, the mandrel can be connected through welding or integrally formed.
The first seal ring 18, the second seal ring 6, the third seal ring 7, the fifth seal ring 10, the sixth seal ring 36, the seventh seal ring 46, and the eighth seal ring 47 are all made of rubber.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and changes may be made by those skilled in the art within the spirit and principles of the present application, and such equivalent modifications and substitutions are intended to be included in the scope of the present application.
Claims (8)
1. The utility model provides a socket for gas pipeline which characterized in that: comprises a conversion seat and a valve seat; an air inlet interface and an air outlet interface which are mutually communicated are arranged in the conversion seat; the air outlet interface is fixedly connected with a valve seat, and a valve core is arranged in the valve seat in a sliding sealing manner; the valve core is provided with a gas channel communicated with the valve seat, and the gas channel is communicated with or closed by the axial movement of the valve core and the air inlet interface; a first sealing ring is arranged at one end of the valve core, which is far away from the air outlet interface; a unlocking ring for blocking the first sealing ring from sliding out is arranged in the valve seat; the valve seat is connected with a locking component; the locking component comprises a slip ring and a plurality of steel balls; the slip ring is sleeved on the outer circle of the valve seat in a sliding way; the valve seat is provided with a plurality of clamping through holes matched with the steel balls along the outer circle, and the outer circle of the plug is provided with a plurality of concave rings matched with the steel balls; the steel ball is arranged in the clamping through hole; an annular positioning ring is arranged on the inner wall of the slip ring; the inner wall of the positioning ring is abutted against the steel ball; a second spring is arranged in the slip ring and is abutted between the positioning ring and the valve seat; the valve seat is provided with a limiting elastic opening ring for limiting the slip ring; an unlocking button is arranged on one side of the slip ring and is arranged in a sliding manner along the axial direction of the slip ring; the conversion seat is fixedly provided with a first supporting seat, the unlocking button is arranged in the first supporting seat in a sliding manner, a third spring is arranged between the unlocking button and the bottom of the first supporting seat, one side of the slip ring is provided with an unlocking linkage body, and the unlocking button is pressed on the unlocking linkage body; the socket is provided with a fireproof mechanism, and the fireproof mechanism comprises a first movable support; a fourth spring and a temperature-sensing glass ball are arranged on one side of the slip ring; one end of the fourth spring is fixedly arranged, the other end of the fourth spring is a free end, and the free end of the fourth spring is fixedly connected with the first movable support; one end of the temperature sensing glass ball is fixedly arranged, and the other end of the temperature sensing glass ball is fixed and supports a first movable support; the fourth spring is arranged in a stretching way; the first movable support is pressed against the slip ring.
2. The outlet for a gas pipeline according to claim 1, wherein: a first spring is arranged between one end of the valve core, which is close to the air outlet interface, and the conversion seat.
3. The outlet for a gas pipeline according to claim 1, wherein: a second sealing ring and a third sealing ring are arranged between the outer circle of the valve core and the valve seat; and the gas passage is located between the second seal ring and the third seal ring.
4. The outlet for a gas pipeline according to claim 1, wherein: the embedded type wall body is characterized by further comprising an embedded box body, wherein the conversion seat, the valve seat and the locking assembly are arranged in the embedded box body, and the embedded box body is fixed in the wall body; the hidden box body is detachably fixed with a box cover; the unlocking button protrudes out of the box cover.
5. The outlet for a gas pipeline according to claim 1 or 4, wherein: the valve core comprises an upper valve core and a lower valve core; the upper valve core and the lower valve core are of a split structure or an integrated structure.
6. The outlet for a gas pipeline according to claim 5, wherein: the upper valve core and the lower valve core are of split structures; one end of the upper valve core is detachably fixed at the end part of the lower valve core; a mandrel is arranged in the gas channel in a sliding manner; the mandrel comprises a transmission part, a sealing part and a guiding part which are sequentially arranged; gas channels are formed in the upper valve core and the lower valve core; the inner wall of the gas channel is provided with a third limiting ring, and a through hole matched with the guide part is formed in the third limiting ring; the inner wall of the gas channel is provided with a sealing port which is in sealing connection with the mandrel sealing part; and a fifth spring for driving the mandrel to reset is arranged in the gas channel.
7. A plug, characterized in that: comprising a plug, one end of which is inserted into the valve seat of claim 1; the end face of the plug is abutted against the first sealing ring; the outer circle of the plug is provided with a second limiting ring for limiting the unlocking ring; the outer circle of the plug is provided with a concave ring matched with the steel ball.
8. A connection device, characterized in that: comprising the socket of claim 1 and the plug of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056127.8A CN109595416B (en) | 2019-01-21 | 2019-01-21 | Socket and plug for gas pipeline and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056127.8A CN109595416B (en) | 2019-01-21 | 2019-01-21 | Socket and plug for gas pipeline and connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595416A CN109595416A (en) | 2019-04-09 |
| CN109595416B true CN109595416B (en) | 2023-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910056127.8A Active CN109595416B (en) | 2019-01-21 | 2019-01-21 | Socket and plug for gas pipeline and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595416B (en) |
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| US8356794B1 (en) * | 2011-08-12 | 2013-01-22 | Liu Hsiu-Hsiung | Quick release connector |
| CN203009953U (en) * | 2012-12-21 | 2013-06-19 | 重庆世豪机车制造有限公司 | Column safety valve for gas joint |
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| CN203769532U (en) * | 2014-04-14 | 2014-08-13 | 常州市宝盾门业有限公司 | Automatic closing device for fireproof door |
| CN204942847U (en) * | 2015-07-16 | 2016-01-06 | 慈溪市宗汉中正快速接头厂（普通合伙） | One can automatically rebounding open female joint |
| CN107061901A (en) * | 2017-06-07 | 2017-08-18 | 玉环县豪立信铜业有限公司 | A kind of quick water fetching device |
| CN209587441U (en) * | 2019-01-21 | 2019-11-05 | 叶秋晨 | A kind of gas pipeline socket and plug and attachment device |
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2019
- 2019-01-21 CN CN201910056127.8A patent/CN109595416B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0031676D0 (en) * | 2000-12-22 | 2001-02-07 | Jeory James | Improvements in or relating to connectors and valves |
| US8356794B1 (en) * | 2011-08-12 | 2013-01-22 | Liu Hsiu-Hsiung | Quick release connector |
| CN102865396A (en) * | 2012-10-18 | 2013-01-09 | 丽水中德石化设备有限公司 | Fireproof hydraulic control device |
| CN203009953U (en) * | 2012-12-21 | 2013-06-19 | 重庆世豪机车制造有限公司 | Column safety valve for gas joint |
| CN103244773A (en) * | 2013-05-17 | 2013-08-14 | 林仁国 | Quick connector for gas conveying bellows |
| CN203769532U (en) * | 2014-04-14 | 2014-08-13 | 常州市宝盾门业有限公司 | Automatic closing device for fireproof door |
| CN204942847U (en) * | 2015-07-16 | 2016-01-06 | 慈溪市宗汉中正快速接头厂（普通合伙） | One can automatically rebounding open female joint |
| CN107061901A (en) * | 2017-06-07 | 2017-08-18 | 玉环县豪立信铜业有限公司 | A kind of quick water fetching device |
| CN209587441U (en) * | 2019-01-21 | 2019-11-05 | 叶秋晨 | A kind of gas pipeline socket and plug and attachment device |
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| Publication number | Publication date |
|---|---|
| CN109595416A (en) | 2019-04-09 |
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Effective date of registration: 20230918 Address after: 610000 building 3, No. 210, Long'an Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Province Applicant after: Chengdu Zhongyuan Pipe Co.,Ltd. Address before: Meinian Square, No. 1388 Tianfu Avenue, High tech Zone, Chengdu, Sichuan, 610041 Applicant before: Ye Qiuchen |
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