CN218863278U - Modular gas self-closing valve - Google Patents
Modular gas self-closing valve Download PDFInfo
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- CN218863278U CN218863278U CN202222853905.6U CN202222853905U CN218863278U CN 218863278 U CN218863278 U CN 218863278U CN 202222853905 U CN202222853905 U CN 202222853905U CN 218863278 U CN218863278 U CN 218863278U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
A modular gas self-closing valve comprises a valve body, a gas inlet joint arranged on the left side of the valve body and a gas outlet joint arranged on the right side of the valve body, wherein a ventilation cavity is arranged in the middle of the valve body and is in a circular hole shape; the upper surface of the middle part of the valve body is provided with a boss which is coaxial with the vent cavity; the center of the upper surface of the boss is provided with an assembly port communicated with the ventilation cavity; the diameter of the assembling opening is equal to or larger than the diameter of the vent cavity; the upper surface of the boss is provided with an upper cover for covering the assembly port; the outer edge of the lower end of the upper cover extends outwards to form a fixing part which is attached to the upper surface of the boss; and positioning columns which are symmetrical to each other are arranged on the front side and the rear side of the ventilation cavity. The utility model discloses an installation of gas self-closing valve inner part not only can be accomplished fast to modular gas self-closing valve, and can guarantee the assembly position between each part, avoids assembly position deviation to take place to influence the condition that the opening and closing piece opened and close the effect, effectively stops the potential safety hazard.
Description
Technical Field
The utility model relates to a gas self-closing valve, especially a modular gas self-closing valve.
Background
The gas self-closing valve is a valve installed on a low-pressure gas system pipeline, when the gas supply pressure of the pipeline is under-pressure or over-pressure, the valve can be automatically closed and manually opened without using electricity or other external power, so that the safety of the gas system in operation is effectively ensured.
The left side and the right side of a traditional gas self-closing valve are respectively provided with an air inlet joint and an air outlet joint, a ventilation cavity is arranged in the middle of the gas self-closing valve, the air inlet joints are communicated with the ventilation cavity through an opening and closing hole, when the gas self-closing valve is closed, an opening and closing piece is blocked in the opening and closing hole, so that gas cannot enter the ventilation cavity through the air inlet joints, the gas is blocked, when the gas self-closing valve needs to be opened, a pull rod can be pulled upwards, the pull rod can stir a stirring piece by utilizing the magnetic attraction principle at the moment, the opening and closing piece is driven to move through a hinge piece, so that the opening and closing piece is separated from the opening and closing hole, the opening and closing hole is opened, natural transportation of the gas is realized, therefore, the situation that a large number of components are involved in the ventilation cavity of the gas self-closing valve, the space in the ventilation cavity is extremely limited, if each component is moved into the ventilation cavity and then installed, the installation process becomes extremely difficult, the installation efficiency of the components is seriously influenced, the assembly work between the components is carried out in a narrow space, the situation that the deviation of the opening and the safety hazard of the components is easily caused.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a modular gas self-closing valve, it not only can accomplish the installation of gas self-closing valve inner member fast, and can guarantee the assembly position between each part, avoids the assembly position to take place the deviation and influences the condition that the opening and closing piece opened and close the effect, effectively stops the potential safety hazard.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a modular gas self-closing valve, including the valve body, locate the left air inlet joint of valve body and locate the joint of giving vent to anger on valve body right side, be equipped with the chamber of ventilating in the valve body middle part, its characterized in that: the ventilation cavity is in a circular hole shape; the upper surface of the middle part of the valve body is provided with a boss which is coaxial with the ventilation cavity; the center of the upper surface of the boss is provided with an assembly port communicated with the ventilation cavity; the diameter of the assembling opening is equal to or larger than the diameter of the vent cavity; the upper surface of the boss is provided with an upper cover for covering the assembly port; the outer edge of the lower end of the upper cover extends outwards to form a fixing part which is attached to the upper surface of the boss; positioning columns which are mutually symmetrical are arranged on the front side and the rear side of the ventilation cavity; a positioning screw hole is formed in the center of the upper end face of the positioning column; the middle part of the bottom of the ventilation cavity is provided with an accommodating groove; the accommodating groove is internally provided with a module seat matched with the accommodating groove; the front side and the rear side of the upper end of the module seat are provided with fixed wings corresponding to the positioning columns in position; the fixed wing is positioned right above the positioning column; the upper surface of the fixed wing is provided with a positioning through hole which is coaxial with the positioning screw hole; the module seat is provided with an opening and closing structure; the upper cover is provided with a magnetic attraction structure matched with the opening and closing structure; the front side cavity wall of the ventilation cavity is provided with an opening and closing hole communicated with the air inlet joint, and the rear side cavity wall of the ventilation cavity is provided with a ventilation hole communicated with the air outlet joint; the opening and closing structure comprises an opening and closing rod which penetrates through the opening and closing hole leftwards and is provided with an opening and closing piece; the opening and closing piece is connected with the left end of the opening and closing rod through a quick assembly and disassembly structure.
The opening and closing structure comprises a lifting hole arranged in the center of the upper surface of the rear end of the opening and closing piece; a lifting rod matched with the lifting hole is arranged in the lifting hole; the upper end of the lifting rod is provided with a lower magnetic suction head which is attached to the upper surface of the module seat; the upper surface of the lower magnetic suction head is provided with a lower magnetic suction groove; a lower magnet block matched with the lower magnetic attraction groove is arranged in the lower magnetic attraction groove; the lower part of the lifting rod is provided with a toggle hole; the diameter of the toggle hole is gradually decreased from the orifices at the left end and the right end to the middle part; hinged wings which are symmetrical to each other are arranged on the front side and the rear side of the lower surface of the left end of the module seat; a hinged shaft is arranged between the hinged wings; the hinged shaft is hinged with an arc-shaped poking rod, the right end of the poking rod penetrates through the poking hole rightwards, and the poking rod is contacted with the inner wall of the middle part of the poking hole; the left side wall of the module seat is provided with a movable hole; the movable hole is positioned above the hinged wing; the movable hole is communicated with the gaps between the hinged wings at the front side and the rear side through a strip-shaped swinging opening; the upper surface of the left end of the poke rod is provided with a swinging rod; a movable piston matched with the movable hole is arranged in the movable hole; the lower surface of the movable piston is provided with a driving groove; the upper end of the swinging rod penetrates upwards into the driving groove and is provided with a ball head matched with the driving groove; the opening and closing rod is arranged on the side wall of the front side of the movable piston.
The magnetic attraction structure comprises an installation step arranged on the upper surface of the boss, the installation step is annular, and the installation step is positioned below the fixed part; the mounting step is provided with a diaphragm matched with the mounting step, and the diaphragm shields and seals the assembly port; the center of the upper surface of the upper cover is provided with a pulling hole communicated with the inner space of the upper cover; a pulling rod matched with the pulling hole is arranged in the pulling hole; the upper end of the pulling rod penetrates out of the pulling hole upwards and is provided with a handle; the diameter of the handle is larger than that of the pulling hole; the lower end of the pulling rod penetrates into the upper cover downwards and is adjacent to the membrane; the lower end of the pulling rod is provided with an upper magnetic suction head; the lower surface of the upper magnetic suction head is provided with an upper magnetic suction groove which is coaxial with the lower magnetic suction groove; an upper magnet block matched with the upper magnetic attraction groove is arranged in the upper magnetic attraction groove, and a magnetic pole at the lower end of the upper magnet block is attracted with a magnetic pole at the upper end of the lower magnet block.
An annular clamping groove is formed in the mounting step; the outer edge of the diaphragm extends downwards to form a clamping part matched with the clamping groove.
The quick disassembly and assembly structure comprises a fixed cavity arranged in the opening and closing piece; the center of the right side wall of the opening and closing piece is provided with an extrusion hole matched with the fixed cavity; the inner wall of the orifice at the left end of the extrusion hole is provided with a guide conical surface which is narrow at the left and wide at the right; the left end of the opening and closing rod penetrates through the extrusion hole leftwards and is provided with an extrusion head matched with the fixed cavity; the extrusion head and the fixed cavity are hemispherical; the opening and closing piece is made of rubber; the diameter of the opening and closing piece is smaller than the inner diameter of the air inlet joint, and the diameter of the opening and closing piece is larger than that of the opening and closing hole; the opening and closing piece is attached to the bottom in the air inlet joint and shields and seals the left end orifice of the opening and closing hole.
The horizontal distance between the left end of the squeezing head and the right end of the poking rod is smaller than the diameter of the ventilation cavity; the horizontal distance between the left end of the squeezing head and the right end of the poking rod is smaller than the length of the accommodating groove.
The horizontal distance between the front end of the fixed wing positioned on the front side and the rear end of the fixed wing positioned on the rear side is smaller than the diameter of the ventilation cavity.
And a bolt connection pipe which is bolt connected outside the lug boss is downwards extended from the outer edge of the fixing part.
The upper surface of the module seat is provided with an anti-abrasion gasket matched with the module seat; auxiliary through holes coaxial with the positioning through holes are formed in the left side and the right side of the abrasion-proof gasket; the lower surface of the lower magnetic suction head is attached to the upper surface of the anti-abrasion gasket.
The beneficial effects of the utility model are that:
compared with the prior art, adopt the utility model discloses modular gas self-closing valve of structure is because the assembly opening diameter equals or is greater than ventilate the chamber diameter, consequently, the assembly opening can form a big open-ended effect, do benefit to putting into of module seat, and both sides are equipped with the stationary vane around the module seat, be equipped with on the stationary vane with the coaxial location perforation of location screw, consequently only need to pass the screw location perforation and spiro union in the screw, make the head of screw sticis on the module seat upper surface simultaneously, just can accomplish the location of module seat and fix, and the part of the intracavity of ventilating all has the assembly relation with the module seat, consequently only need to put into the module seat to the intracavity of ventilating before, install other parts to the module seat earlier, except that need pack into to the closure from the admission joint, other parts then can form an integral module, effectively avoid ventilating the chamber inner space too little condition that leads to the assembly work between part and the part is very difficult, and under the location of the location screw on the reference column, can effectively guarantee the accurate nature of assembly seat assembly position, thereby guarantee the gas leakage of the gas of the assembly position of other parts to the accurate seat of assembling, the open and close the potential safety hazard of valve is not avoided, the condition of opening and closing the valve is avoided because the removal of opening and closing the effective closed.
Drawings
FIG. 1 is a cross-sectional view of the modular gas self-closing valve of the present invention;
FIG. 2 is a schematic structural view of the modular gas self-closing valve of the present invention with the upper cover removed;
FIG. 3 is a schematic view of the valve body;
FIG. 4 is a schematic view of an angle at which other components are mounted to the module holder to form an integral module;
FIG. 5 is a schematic view of another angle of the other components as they are mounted to the module holder to form an integral module;
fig. 6 is a perspective view of the modular gas self-closing valve of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 6, the present invention provides a modular gas self-closing valve, which includes a valve body 1, a gas inlet connector 2 disposed on the left side of the valve body 1, and a gas outlet connector 3 disposed on the right side of the valve body 1, wherein a ventilation cavity 4 is disposed in the middle of the valve body 1, and the ventilation cavity 4 is in a circular hole shape; the upper surface of the middle part of the valve body 1 is provided with a boss 5 which is coaxial with the vent cavity 4; the center of the upper surface of the boss 5 is provided with an assembly port 6 communicated with the ventilation cavity 4; the diameter of the assembling opening 6 is equal to or larger than that of the vent cavity 4; the upper surface of the boss 5 is provided with an upper cover 7 for covering the assembly opening 6; a fixing part 8 which is attached to the upper surface of the boss 5 extends outwards from the outer edge of the lower end of the upper cover 7; the front side and the rear side of the ventilation cavity 4 are provided with positioning columns 9 which are mutually symmetrical; a positioning screw hole 10 is formed in the center of the upper end face of the positioning column 9; the middle part of the bottom of the ventilation cavity 4 is provided with an accommodating groove 11; the accommodating groove 11 accommodates a module seat 12 matched with the accommodating groove; the front side and the rear side of the upper end of the module seat 12 are provided with fixed wings 13 corresponding to the positions of the positioning columns 9; the fixed wing 13 is positioned right above the positioning column 9; the upper surface of the fixed wing 13 is provided with a positioning through hole 14 which is coaxial with the positioning screw hole 10; the module seat 12 is provided with an opening and closing structure; the upper cover 7 is provided with a magnetic attraction structure matched with the opening and closing structure; the front side cavity wall of the ventilation cavity 4 is provided with an opening and closing hole 15 communicated with the air inlet connector 2, and the rear side cavity wall of the ventilation cavity 4 is provided with a ventilation hole 16 communicated with the air outlet connector 3; the opening and closing structure comprises an opening and closing rod 17, and the opening and closing rod 17 penetrates through the opening and closing hole 15 leftwards and is provided with an opening and closing piece 18; the opening and closing member 18 is connected to the left end of the opening and closing rod 17 by a quick-release structure.
The opening and closing structure comprises a lifting hole 19 which is arranged in the center of the upper surface of the rear end of the opening and closing piece 18; a lifting rod 20 matched with the lifting hole 19 is arranged in the lifting hole; the upper end of the lifting rod 20 is provided with a lower magnetic suction head 21 which is attached to the upper surface of the module seat 12; the upper surface of the lower magnetic suction head 21 is provided with a lower magnetic suction groove 22; a lower magnet block 23 matched with the lower magnetic suction groove 22 is arranged in the lower magnetic suction groove 22; a toggle hole 24 is arranged at the lower part of the lifting rod 20; the diameter of the toggle hole 24 is gradually reduced from the orifices at the left end and the right end to the middle part; hinged wings 25 which are mutually symmetrical are arranged on the front side and the rear side of the lower surface at the left end of the module seat 12; a hinge shaft 26 is arranged between the hinge wings 25; the hinged shaft 26 is hinged with an arc-shaped poking rod 27, the right end of the poking rod 27 penetrates through the poking hole 24 rightwards, and the poking rod 27 is contacted with the inner wall of the middle part of the poking hole 24; the left side wall of the module seat 12 is provided with a movable hole 28; the movable hole 28 is located above the hinge wing 25; the movable hole 28 is communicated with the gaps between the hinged wings 25 at the front side and the rear side through a strip-shaped swinging opening 29; the upper surface of the left end of the poke rod 27 is provided with a swinging rod 30; a movable piston 31 matched with the movable hole 28 is arranged in the movable hole; the lower surface of the movable piston 31 is provided with a driving groove 32; the upper end of the swing rod 30 upwards penetrates into the driving groove 32 and is provided with a ball head 33 matched with the driving groove 32; the opening and closing rod 17 is arranged on the front side wall of the movable piston 31.
The magnetic attraction structure comprises an installation step 34 arranged on the upper surface of the boss 5, the installation step 34 is annular, and the installation step 34 is positioned below the fixing part 8; the mounting step 34 is provided with a diaphragm 35 matched with the mounting step, and the diaphragm 35 shields and seals the assembling port 6; a pulling hole 36 communicated with the inner space of the upper cover 7 is formed in the center of the upper surface of the upper cover 7; a pulling rod 37 matched with the pulling hole 36 is arranged in the pulling hole; the upper end of the pulling rod 37 penetrates out of the pulling hole 36 and is provided with a handle 38; the handle 38 diameter is larger than the pulling hole 36 diameter; the lower end of the pulling rod 37 penetrates downwards into the upper cover 7 and is adjacent to the membrane 35; the lower end of the pulling rod 37 is provided with an upper magnetic suction head 39; the lower surface of the upper magnetic suction head 39 is provided with an upper magnetic suction groove 40 which is coaxial with the lower magnetic suction groove 22; an upper magnet block 41 matched with the upper magnetic absorption groove 40 is arranged in the upper magnetic absorption groove 40, and the magnetic pole at the lower end of the upper magnet block 41 is attracted with the magnetic pole at the upper end of the lower magnet block 23.
An annular clamping groove 42 is formed in the mounting step 34; the outer edge of the diaphragm 35 extends downward to form a locking portion 43 matching with the locking groove 42.
The quick-release structure comprises a fixed cavity 44 arranged inside the shutter 18; the center of the right side wall of the opening and closing piece 18 is provided with an extrusion hole 45 matched with the fixed cavity 44; a guide conical surface 46 which is narrow at the left and wide at the right is arranged on the inner wall of the orifice at the left end of the squeezing hole 45; the left end of the opening and closing rod 17 penetrates through the extrusion hole 45 leftwards and is provided with an extrusion head 47 matched with the fixed cavity 44; the squeezing head 47 and the fixing cavity 44 are hemispherical; the opening and closing piece 18 is made of rubber; the diameter of the opening and closing piece 18 is smaller than the inner diameter of the air inlet connector 2, and the diameter of the opening and closing piece 18 is larger than that of the opening and closing hole 15; the opening and closing piece 18 is attached to the bottom in the air inlet joint 2 and shields and seals the left end orifice of the opening and closing hole 15.
The horizontal distance between the left end of the squeezing head 47 and the right end of the poke rod 27 is smaller than the diameter of the vent cavity 4; the horizontal distance between the left end of the squeezing head 47 and the right end of the poke rod 27 is smaller than the length of the accommodating groove 11.
The horizontal distance between the front end of the fixed wing 13 at the front side and the rear end of the fixed wing 13 at the rear side is smaller than the diameter of the ventilation cavity 4.
A screw connection pipe 48 screwed outside the boss 5 extends downwards from the outer edge of the fixing part 8.
The upper surface of the module seat 12 is provided with an anti-wear gasket 49 matched with the module seat; auxiliary through holes 50 coaxial with the positioning through holes are formed in the left side and the right side of the abrasion-proof gasket 49; the lower surface of the lower magnetic suction head 21 is attached to the upper surface of the anti-abrasion gasket 49.
The utility model discloses a use method as follows:
because the diameter of the assembly opening 6 is equal to or larger than the diameter of the vent cavity 4, the assembly opening 6 can form a large opening effect, which is beneficial to the placement of the module seat 12, the front and back sides of the module seat 12 are provided with the fixing wings 13, the fixing wings 13 are provided with the positioning through holes 14 which are coaxial with the positioning screw holes 10, therefore, only screws need to pass through the positioning through holes 14 and are screwed in the positioning screw holes 10, meanwhile, the heads of the screws are tightly pressed on the upper surface of the module seat 12, the positioning and the fixation of the module seat 12 can be completed, the components in the vent cavity 4 are all in the assembly relation with the module seat 12, therefore, only before the module seat 12 is placed in the vent cavity 4, install other parts to module seat 12 earlier, except that need pack into to opening and closing piece 18 from air inlet joint 2, other parts then can form a whole module, effectively avoid ventilating 4 inner space too little condition that lead to the assembly work between part and the part very difficult, and under the location of location screw 10 on reference column 9, can effectively guarantee module seat 12 assembly position's accurate nature, thereby guarantee other assembly to the assembly position's of the part on module seat 12 accurate nature, the accurate nature when opening and closing piece 18 of gas opening and closing valve opens and close is effectively guaranteed, avoid because opening and closing piece 18 moves the condition that the position leads to gas leakage, effectively stop the potential safety hazard.
When the self-closing valve needs to be opened, the pulling rod 37 can be pulled upwards through the handle, when the pulling rod 37 moves upwards, the upper magnet block 41 on the upper magnetic head 39 moves upwards along with the pulling rod, the magnetic pole at the lower end of the upper magnet block 41 is attracted with the magnetic pole at the upper end of the lower magnet block 23, when the upper magnet block 41 moves upwards, the lower magnetic head 21 moves upwards under the action of the magnetic attraction force between the magnetic pole at the lower end of the upper magnet block 41 and the magnetic pole at the upper end of the lower magnetic pole block 0, when the lower magnetic head 21 moves upwards, the lifting rod 20 moves upwards along with the pulling rod, the poking rod 27 passes through the poking hole 24 and is attached to the inner wall of the middle part of the poking hole 24, when the lifting rod 20 moves upwards, the poking rod 27 rotates upwards under the pressure of the inner wall of the middle part of the poking hole 24 by taking the hinge shaft 26 as the axis, when the right end of the poking rod 27 rotates upwards, the swinging rod 30 arranged on the upper surface at the front end of the poking rod 27 rotates leftwards by taking the hinge shaft 26 as the center, at the moment, the ball head pushes the left side groove wall of the driving groove 32 leftwards under the driving of the swing rod 30, so that the movable piston 31 moves leftwards along the track of the movable hole 28, when the movable piston 31 moves leftwards, the opening and closing rod 17 drives the opening and closing piece 18 to move leftwards, at the moment, the opening and closing piece 18 is not attached to the bottom in the air inlet joint 2 any more, the opening and closing piece 18 does not shield and seal the left end hole of the opening and closing hole 15, under the condition that the diameter of the opening and closing piece 18 is smaller than that of the air inlet joint 2, the fuel gas entering the air inlet joint 2 flows into the opening and closing hole 15 through the gap between the outer peripheral surface of the opening and closing piece 18 and the inner wall of the air inlet joint 2, then flows into the air outlet joint 3 through the ventilation cavity 4 and the ventilation hole 16 in sequence, and finally flows out of the air outlet joint 3 for use.
Be equipped with one on installation step 34 and be annular draw-in groove 42, the diaphragm 35 outer fringe downwardly extending one with draw-in groove 42 assorted screens portion 43, the steadiness of diaphragm 35 not only can effectively be improved to the existence of screens portion 43, and can effectively improve the leakproofness of diaphragm 35, effectively avoid taking place the condition of gas leakage.
The quick dismounting structure comprises a fixed cavity 44 arranged inside the opening and closing part 18, a squeezing hole 45 matched with the fixed cavity 44 is arranged in the center of the right side wall of the opening and closing part 18, a guiding conical surface 46 with a narrow left end and a wide right end is arranged on the inner wall of the hole at the left end of the squeezing hole 45, a squeezing head 47 matched with the fixed cavity 44 is arranged on the left end of the opening and closing rod 17, the squeezing head 47 and the fixed cavity 44 are hemispherical, the opening and closing part 18 is made of rubber, the diameter of the opening and closing part 18 is smaller than the inner diameter of the air inlet connector 2, the diameter of the opening and closing part 18 is larger than the diameter of the opening and closing hole 15, the opening and closing part 18 is attached to the inner bottom of the air inlet connector 2 and shields and seals the hole at the left end of the opening and closing hole 15, under the condition that the squeezing head 47 is hemispherical, the opening and closing part 18 in the air inlet connector 2 only needs to be pressed rightwards, the squeezing head 47 can be quickly squeezed into the fixed in the fixed cavity 44 of the opening and closing part 18 along the track of the guiding conical surface 46, and the opening and closing part 17 and closing part 18 can be quickly connected and fixed, and the connection between the opening and closing part 18 is convenient for replacing the fixing way.
The horizontal distance between the left end of the extrusion head 47 and the right end of the poke rod 27 is smaller than the diameter of the ventilation cavity 4, the horizontal distance between the left end of the extrusion head 47 and the right end of the poke rod 27 is smaller than the length of the accommodating groove 11, the space inside the accommodating groove 11 can be effectively increased, the module seat 12 can be placed more easily, meanwhile, the module seat 12 can be placed into the accommodating groove 11, the opening and closing rod 17 is pushed leftwards, the opening and closing rod 17 stably penetrates through the opening and closing hole 15 leftwards, and the whole module formed after other components are installed on the module seat 12 is convenient to quickly complete positioning and fix.
The horizontal distance between the front end of the fixed wing 13 at the front side and the rear end of the fixed wing 13 at the rear side is smaller than the diameter of the ventilation cavity 4, so that the positioning and fixing efficiency of the whole module formed after other components are installed on the module seat 12 is further improved.
The outer edge of the fixing part 8 extends downwards to form a bolt connection pipe 48 which is in bolt connection with the outer side of the boss 5, and when the stability between the upper cover 7 and the valve body 1 is guaranteed, the tightness between the upper cover 7 and the valve body 1 can be effectively guaranteed through thread sealing.
The upper surface of the module seat 12 is provided with an anti-abrasion gasket 49 matched with the upper surface of the module seat 12, the left side and the right side of the anti-abrasion gasket 49 are provided with auxiliary through holes 50 coaxial with the positioning through holes 14, the lower surface of the lower magnetic suction head 21 is attached to the upper surface of the anti-abrasion gasket 49, the anti-abrasion gasket 49 can effectively reduce the abrasion of the lower surface of the lower magnetic suction head 21 and the upper surface of the module seat 12, and the condition that the lower magnetic suction head 21 is frequently contacted with the upper surface of the module seat 12 for a long time to cause the abrasion of the upper surface of the module seat 12 and the lower magnetic suction head 21 is avoided.
Claims (9)
1. The utility model provides a modular gas self-closing valve, includes the valve body, locates the left air inlet connection of valve body and locates the joint of giving vent to anger on valve body right side, is equipped with the chamber of ventilating in the valve body middle part, its characterized in that: the ventilation cavity is in a circular hole shape; the upper surface of the middle part of the valve body is provided with a boss which is coaxial with the vent cavity; the center of the upper surface of the boss is provided with an assembly port communicated with the ventilation cavity; the diameter of the assembling opening is equal to or larger than the diameter of the vent cavity; the upper surface of the boss is provided with an upper cover for covering the assembly port; a fixing part which is attached to the upper surface of the boss extends outwards from the outer edge of the lower end of the upper cover; positioning columns which are symmetrical to each other are arranged on the front side and the rear side of the ventilation cavity; a positioning screw hole is formed in the center of the upper end face of the positioning column; the middle part of the bottom of the ventilation cavity is provided with an accommodating groove; the accommodating groove is internally provided with a module seat matched with the accommodating groove; the front side and the rear side of the upper end of the module seat are provided with fixed wings corresponding to the positioning columns in position; the fixed wing is positioned right above the positioning column; the upper surface of the fixed wing is provided with a positioning through hole which is coaxial with the positioning screw hole; the module seat is provided with an opening and closing structure; the upper cover is provided with a magnetic attraction structure matched with the opening and closing structure; the front side cavity wall of the ventilation cavity is provided with an opening and closing hole communicated with the air inlet joint, and the rear side cavity wall of the ventilation cavity is provided with a ventilation hole communicated with the air outlet joint; the opening and closing structure comprises an opening and closing rod, and the opening and closing rod penetrates through the opening and closing hole leftwards and is provided with an opening and closing piece; the opening and closing piece is connected with the left end of the opening and closing rod through a quick assembly and disassembly structure.
2. The modular gas self-closing valve according to claim 1, characterized in that: the opening and closing structure comprises a lifting hole arranged in the center of the upper surface of the rear end of the opening and closing piece; a lifting rod matched with the lifting hole is arranged in the lifting hole; the upper end of the lifting rod is provided with a lower magnetic suction head which is attached to the upper surface of the module seat; a lower magnetic suction groove is formed in the upper surface of the lower magnetic suction head; a lower magnet block matched with the lower magnetic attraction groove is arranged in the lower magnetic attraction groove; the lower part of the lifting rod is provided with a toggle hole; the diameter of the toggle hole is gradually reduced from the orifices at the left end and the right end to the middle part; hinged wings which are symmetrical to each other are arranged on the front side and the rear side of the lower surface of the left end of the module seat; a hinged shaft is arranged between the hinged wings; the hinged shaft is hinged with an arc-shaped poking rod, the right end of the poking rod penetrates through the poking hole rightwards, and the poking rod is contacted with the inner wall of the middle part of the poking hole;
the left side wall of the module seat is provided with a movable hole; the movable hole is positioned above the hinged wing; the movable hole is communicated with the gaps between the hinged wings at the front side and the rear side through a strip-shaped swinging opening; the upper surface of the left end of the poke rod is provided with a swinging rod; a movable piston matched with the movable hole is arranged in the movable hole; the lower surface of the movable piston is provided with a driving groove; the upper end of the swinging rod penetrates upwards into the driving groove and is provided with a ball head matched with the driving groove; the opening and closing rod is arranged on the side wall of the front side of the movable piston.
3. The modular gas self-closing valve according to claim 2, characterized in that: the magnetic attraction structure comprises an installation step arranged on the upper surface of the boss, the installation step is annular and is positioned below the fixed part; the mounting step is provided with a diaphragm matched with the mounting step, and the diaphragm shields and seals the assembly port; the center of the upper surface of the upper cover is provided with a pulling hole communicated with the inner space of the upper cover; a pulling rod matched with the pulling hole is arranged in the pulling hole; the upper end of the pulling rod penetrates out of the pulling hole upwards and is provided with a handle; the diameter of the handle is larger than that of the pulling hole; the lower end of the pulling rod penetrates into the upper cover downwards and is adjacent to the membrane; the lower end of the pulling rod is provided with an upper magnetic suction head; the lower surface of the upper magnetic suction head is provided with an upper magnetic suction groove which is coaxial with the lower magnetic suction groove; an upper magnet block matched with the upper magnetic attraction groove is arranged in the upper magnetic attraction groove, and a magnetic pole at the lower end of the upper magnet block is attracted with a magnetic pole at the upper end of the lower magnet block.
4. A modular gas self-closing valve according to claim 3, characterized in that: an annular clamping groove is formed in the mounting step; the outer edge of the diaphragm extends downwards to form a clamping part matched with the clamping groove.
5. The modular gas self-closing valve according to claim 1, characterized in that: the quick disassembly and assembly structure comprises a fixed cavity arranged in the opening and closing piece; the center of the side wall of the right side of the opening and closing piece is provided with an extrusion hole matched with the fixed cavity; the inner wall of the orifice at the left end of the squeezing hole is provided with a guide conical surface which is narrow at the left and wide at the right; the left end of the opening and closing rod penetrates through the extrusion hole leftwards and is provided with an extrusion head matched with the fixed cavity; the extrusion head and the fixed cavity are hemispherical; the opening and closing piece is made of rubber; the diameter of the opening and closing piece is smaller than the inner diameter of the air inlet joint, and the diameter of the opening and closing piece is larger than that of the opening and closing hole; the opening and closing piece is attached to the bottom in the air inlet joint and shields and seals the left end orifice of the opening and closing hole.
6. The modular gas self-closing valve according to claim 5, characterized in that: the horizontal distance between the left end of the squeezing head and the right end of the poking rod is smaller than the diameter of the ventilation cavity; the horizontal distance between the left end of the squeezing head and the right end of the poking rod is smaller than the length of the accommodating groove.
7. The modular gas self-closing valve according to claim 1, characterized in that: the horizontal distance between the front end of the fixed wing at the front side and the rear end of the fixed wing at the rear side is smaller than the diameter of the ventilation cavity.
8. The modular gas self-closing valve according to claim 1, characterized in that: and a bolt joint pipe which is bolt jointed outside the lug boss is downwards extended from the outer edge of the fixing part.
9. The modular gas self-closing valve according to claim 2, characterized in that: the upper surface of the module seat is provided with an anti-abrasion gasket matched with the module seat; auxiliary through holes coaxial with the positioning through holes are formed in the left side and the right side of the anti-abrasion gasket; the lower surface of the lower magnetic suction head is attached to the upper surface of the anti-abrasion gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853905.6U CN218863278U (en) | 2022-10-27 | 2022-10-27 | Modular gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853905.6U CN218863278U (en) | 2022-10-27 | 2022-10-27 | Modular gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218863278U true CN218863278U (en) | 2023-04-14 |
Family
ID=87367270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222853905.6U Active CN218863278U (en) | 2022-10-27 | 2022-10-27 | Modular gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218863278U (en) |
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2022
- 2022-10-27 CN CN202222853905.6U patent/CN218863278U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A modular gas self closing valve Effective date of registration: 20230625 Granted publication date: 20230414 Pledgee: Taizhou Yuhuan sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: Taizhou Zhonghe metal products Co.,Ltd. Registration number: Y2023980045357 |