CN114623280A - Gas anti-theft ball valve - Google Patents
Gas anti-theft ball valve Download PDFInfo
- Publication number
- CN114623280A CN114623280A CN202210194560.XA CN202210194560A CN114623280A CN 114623280 A CN114623280 A CN 114623280A CN 202210194560 A CN202210194560 A CN 202210194560A CN 114623280 A CN114623280 A CN 114623280A
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- CN
- China
- Prior art keywords
- ball valve
- valve
- gas
- connecting rod
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
Abstract
The invention relates to the technical field of valves, and particularly discloses a gas anti-theft ball valve which comprises a gas ball valve, a ball valve base and a locking bolt. The ball valve fixing device realizes the fixing of the ball valve through the connecting rod structure and the lever principle, ensures that screws for fixing the ball valve cannot be disassembled by non-working personnel to cause the ball valve to be stolen, unlocks the locking structure through the electromagnet principle, enables the locked cylinder to be drawn out through the magnetic attraction mode and the lever principle, further disassembles the ball valve to realize the regular inspection of the ball valve, enables the pipeline connecting structure and the ball valve to form a whole through the three thread structures, enables the non-working personnel not to disassemble the pipeline to steal gas and oil, and improves the applicability of the ball valve.
Description
Technical Field
The invention relates to the technical field of valves, and particularly discloses a gas anti-theft ball valve.
Background
The anti-theft ball valve is a ball valve with anti-theft function, and the phenomena of valve fittings theft and oil, water and defaulting heating and water supply fee are increasingly serious on oil supply, heating and water supply pipelines, and especially on the oil supply pipeline, crude oil theft is close to crazy ground.
Chinese patent with publication number CN105508713B discloses an anti-theft valve, including valve body, valve rod and be located the handle that the valve rod top just can control the valve rod oscilaltion the upper portion of valve body is equipped with a stainless steel theftproof cover, the handle is arranged in the stainless steel theftproof cover completely, is equipped with one on it and opens the lid, stainless steel theftproof cover and open and be equipped with the triangulation chain between the lid the stainless steel theftproof cover inner wall is equipped with an alarm of being connected with the spring bolt electromagnetism of triangulation chain, be equipped with the RFID tag on the alarm, the anti-theft valve still includes the mobile electronic equipment who establishes discernment control software in and that can discern the RFID tag be equipped with electronic chip on the alarm, electronic chip can turn into the signal of telecommunication and control alarm and open and close. The anti-theft valve can open the alarm in time to remind security personnel to stop theft, so that the anti-theft valve has the advantages of better anti-theft effect, simple integral structure, convenient operation, good practicability and high economic benefit.
Disclosure of Invention
In view of this, the present invention provides a gas anti-theft ball valve to solve the technical problems of valve theft and gas theft.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a gas theftproof ball valve, includes gas ball valve, ball valve base station and locking bolt, the gas ball valve can be dismantled with the ball valve base station and be connected, the ball valve base station can be dismantled with locking bolt and be connected.
Preferably, the upper surface and the side of the ball valve base station are provided with a locking screw hole and a bolt hole, a connecting rod structure is arranged in the ball valve base station, the lower half part of the locking screw hole is provided with an opening corresponding to the transverse opening for movement and contraction of the connecting rod, and the tail end of the locking screw hole is also provided with an opening for connection of the bolt.
Preferably, the connecting rod structure includes a bolt connecting rod, a connecting rod and a locking connecting rod, the bolt connecting rod, the connecting rod and the locking connecting rod are all provided with two, wherein every three is a set of, two sets of connecting rods are provided with two sides of a locking screw hole, the bolt connecting rod is connected with a bolt, the locking connecting rod is suitable for locking the locking screw, and a slide rail is arranged at the rear side of the connecting shaft of the bolt connecting rod and the connecting rod, a shaft is connected with the slide rail in a sliding manner, the slide rail is fixed on the inner wall of a ball valve base station, the two sides of the shaft of the connecting rod are also fixed on the inner wall of the ball valve base station, through the downward movement of the bolt connecting rod, through a lever principle, the right side of the connecting rod side moves downwards and the left side moves upwards, so that the locking connecting rod moves upwards, the locking connecting rod is inserted into a transverse opening, the locking of the locking screw is realized, and the locking connecting rod is cylindrical.
Preferably, the dead bolt includes bolt shell and inserted bar, shell and inserted bar swing joint, shell and inserted bar are cylindricly, and the right flank of shell is equipped with the trompil, and the trompil is used for twitching of inserted bar, and the left half of shell is equipped with the connection trompil, it is equipped with two to connect the trompil, the inner wall of shell is equipped with the checkpost, the checkpost is fixed in the inner wall of shell, the orientation is trapezoidal in the checkpost, the checkpost is circular-arc with being connected the face of being fixed in the shell, the checkpost is equipped with the switch with the junction of shell, the inner wall of shell still is equipped with the battery.
Preferably, the inserted link is further provided with a baffle, a guide block, a limiting block, a connecting structure and two lock cylinders, the two lock cylinders are provided with grooves and shafts on opposite surfaces, the left side of the inserted link is provided with a through groove, the through groove is internally provided with a shaft, the connecting structure comprises a first connecting rod and two lock cylinder connecting rods, the two lock cylinder connecting rods are provided with two left ends respectively connected to the shafts on the two lock cylinders, the right side of the first connecting rod is movably connected with the shaft in the through groove, the left side of the first connecting rod is coaxially connected with the lock cylinder connecting rods, the left side of a circuit of the battery is wound on the side surface of the lock cylinder connecting rods, and the right circuit is connected to the switch, so that after the switch is opened, the coil is electrified, and the lock cylinders are magnetized.
Preferably, the gas ball valve comprises a valve core, a valve body base, sealing filler, a valve rod guide pin and a valve cover, the valve rod guide pin is horizontally inserted on the valve rod, the valve rod guide pin is provided with a spiral groove, the spiral groove is matched with the valve rod guide pin, the valve core can move up and down and horizontally rotate, the valve core is spherical, a horizontal channel is arranged in the middle of the valve core, when the valve is opened, gas circulates from the middle, when the valve is closed, the side wall of the valve core is matched with the valve body base to play a sealing role, the valve body base is arranged on one side of the valve core, when the valve is closed, the valve core can move towards the valve core under the pressure of the gas and is tightly combined with the valve core to prevent the gas leakage, when the valve core is closed, the valve core is pressed on the valve seat by the mechanical pressure of the valve rod, when the valve rod moves reversely, the valve core is separated from the valve seat and is continuously lifted, under the influence of the guide pin in the spiral groove of the valve rod, the valve core begins to rise and rotate until the valve core is fully opened, at the moment, the valve is opened, gas circulates, and the valve core is closed and reversely operated.
Preferably, the gas ball valve downside still is equipped with the ball valve base, be equipped with the screw on the ball valve base, the cover is equipped with the locking screw on the screw, the locking screw downside is equipped with horizontal trompil, and the ball valve base is squarely, and screw and locking screw all are equipped with four, and the locking screw is applicable to locking lever locking, and after the screw is screwed up, the locking lever penetrates in the locking screw for the locking screw can not be twisted out, has guaranteed that the ball valve can always be fixed on the ball valve base station, has avoided the stolen possibility of ball valve.
Preferably, the gas ball valve is further connected with a pipeline connecting structure, threads are arranged on the inner wall and the outer wall of the pipeline connecting structure, a connecting plate is arranged on the right side of the pipeline connecting structure, a screw hole is formed in the connecting plate and used for being connected with a valve, the threads on the outer wall of the pipeline connecting structure are used for being connected with a valve interface, the threads on the inner wall of the pipeline connecting structure are used for being connected with a pipeline, the tail end of the pipeline in the design is also required to be provided with threads for being connected with the threads on the inner wall of the pipeline connecting structure, and after the threads of the three parts are completely installed and connected, the pipeline connecting structure is integrated, and if a thief wants to change the pipeline privately, the pipeline and the pipeline connecting structure need to be respectively screwed if the thief needs to dismantle the pipeline.
The working principle and the beneficial effects of the scheme are as follows:
the ball valve fixing device realizes the fixing of the ball valve through the connecting rod structure and the lever principle, ensures that screws for fixing the ball valve cannot be disassembled by non-working personnel to cause the ball valve to be stolen, unlocks the locking structure through the electromagnet principle, enables the locked cylinder to be drawn out through the magnetic attraction mode and the lever principle, further disassembles the ball valve to realize the regular inspection of the ball valve, enables the pipeline connecting structure and the ball valve to form a whole through the three thread structures, enables the non-working personnel not to disassemble the pipeline to steal gas and oil, and improves the applicability of the ball valve.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a gas anti-theft ball valve according to the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1B;
FIG. 3 is a top view of an embodiment of a gas anti-theft ball valve of the present invention;
FIG. 4 is a cross-sectional view taken at line A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of FIG. 4C;
FIG. 6 is a side view of an embodiment of a gas ball valve according to the present invention;
FIG. 7 is a cross-sectional view of FIG. 6D-D;
FIG. 8 is a side view of the locking bolt in an embodiment of a gas anti-theft ball valve of the present invention;
FIG. 9 is a cross-sectional view of FIGS. 8E-E;
FIG. 10 is a schematic structural view of an insertion rod in an embodiment of a gas anti-theft ball valve according to the present invention;
the drawings are numbered as follows: the gas ball valve comprises a gas ball valve 1, a valve core 101, a valve body base 102, a sealing filler 103, a valve rod 104, a valve rod guide pin 105, a valve cover 106, a spiral groove 107, a horizontal channel 108, a ball valve base 109, a screw hole 1091, a locking screw 1092, a transverse opening 1093, a ball valve base 2, a locking screw hole 201, a bolt hole 202, a link structure 203, a bolt link 2031, a connecting link 2032, a locking link 2033, a locking bolt 3, a bolt housing 301, a connecting opening 3011, a clamp 3012, a switch 3013, a battery 3014, a plug rod 302, a baffle 3021, a guide block 3022, a limiting block 3023, a connecting structure 3024, a lock column 3025, a through groove 3026, a first link 3027, a lock column link 3028, a pipeline connecting structure 4 and a connecting plate 401.
Detailed Description
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
The following is further detailed by way of specific embodiments:
examples
As shown in fig. 1-10, a gas anti-theft ball valve comprises a gas ball valve 1, a ball valve base 2 and a locking bolt 3, wherein the gas ball valve 1 is detachably connected with the ball valve base 2, and the ball valve base 2 is detachably connected with the locking bolt 3.
The ball valve base 2 is provided with a locking screw hole 201 and a latch hole 202 on the upper surface and the side surface, and a link structure 203 is provided in the ball valve base 2, further, the lower half portion of the locking screw hole 201 is provided with an opening corresponding to the transverse opening 1093 for movement and contraction of the link, and an opening for connection of the latch is also provided at the end of the locking screw hole 201.
The connecting rod structure 203 includes a bolt connecting rod 2031, a connecting rod 2032 and a locking connecting rod 2033, further described, two bolt connecting rods 2031, two connecting rods 2032 and two locking connecting rods 2033 are provided, wherein each three are in one group, two groups of connecting rods are provided with two sides of the locking screw hole 201, the bolt connecting rod 2031 is connected with a bolt, the locking connecting rod 2033 is suitable for locking the locking screw 1092, and a slide rail is provided at the rear side of the connecting shaft of the bolt connecting rod 2031 and the connecting rod 2032, the shaft is connected with the slide rail in a sliding manner, the slide rail is fixed on the inner wall of the ball valve base 2, two sides of the shaft of the connecting rod 2032 are also fixed on the inner wall of the ball valve base 2, the bolt connecting rod 2031 moves downwards, the right side of the connecting rod 2032 moves downwards and the left side moves upwards by the lever principle, and then the locking connecting rod 2033 moves upwards, so that the locking connecting rod 2033 is inserted into the transverse hole 1093, thereby realizing the locking of the locking screw 1092, the lock link 2033 has a cylindrical shape.
Locking bolt 3 includes bolt shell 301 and inserted bar 302, shell 301 and inserted bar 302 swing joint, shell 301 and inserted bar 302 are cylindricly, it is further explained, the right flank of shell 301 is equipped with the trompil, the trompil is used for twitching of inserted bar 302, the left half of shell 301 is equipped with connects trompil 3011, it is equipped with two to connect the trompil, the inner wall of shell 301 is equipped with checkpost 3012, the checkpost is fixed in the inner wall of shell 301, the orientation is trapezoidal in checkpost 3012, checkpost 3012 and the face of being connected who is fixed in shell 301 are circular-arc, checkpost 3012 and the junction of shell 301 are equipped with switch 3013, the inner wall of shell 301 still is equipped with battery 3014.
The inserted link 302 is further provided with a baffle 3021, a guide block 3022, a limiting block 3023, a connecting structure 3024, and a lock post 3025, further described, two lock posts 3025 are provided, facing surfaces of the two lock posts 3025 are provided with a slot and a shaft, a through slot 3026 is provided on the left side of the inserted link 302, a shaft is provided in the through slot 3026, the connecting structure 3024 includes a first connecting rod 3027 and a lock post connecting rod 3028, two lock post connecting rods 3028 are provided, left ends of the two lock post connecting rods 3028 are respectively connected to the shafts on the two lock posts 3025, the right side of the first connecting rod 3027 is movably connected to the shaft in the through slot 3026, the left side of the first connecting rod 3027 is coaxially connected to the lock post connecting rod 3028, the left side of a circuit of the battery 3014 is wound on the side of the lock post connecting rod 3028, and the right side of the circuit is connected to the switch 3013, so that after the switch is turned on, the coil is electrified, and the lock posts 3025 are magnetic.
The gas ball valve 1 comprises a valve core 101, a valve body base 102, a sealing filler 103, a valve rod 104, a valve rod guide pin 105 and a valve cover 106, and further, the valve rod guide pin 105 is horizontally inserted on the valve rod 104, a spiral groove 107 is arranged on the valve rod 104, the spiral groove 107 is matched with the valve rod guide pin 105, so that the valve core 101 can move up and down and horizontally rotate, the valve core 101 is spherical, a horizontal channel 108 is arranged in the middle of the valve core 101, when the valve is opened, gas flows from the middle, when the valve is closed, the side wall of the valve core 101 is matched with the valve body base 102 to play a sealing role, the valve body base 102 is arranged on one side of the valve core 101, when the valve is closed, the valve core 101 can move towards the valve core 101 under the pressure of the gas to be tightly combined with the valve core 101 to prevent the gas from leaking, when the valve core 101 is closed, the valve core 101 is pressed on a valve seat by the mechanical pressing effect of the valve rod 104, when the valve rod moves reversely, the valve core 101 is separated from the valve seat 104 and continuously lifted, under the influence of the inner guide pin of the spiral groove of the valve rod 104, the valve core begins to rise and rotate until the valve core is fully opened, at the moment, the valve is opened, gas circulates, and the valve core is closed and reversely operated.
The gas ball valve 1 downside still is equipped with ball valve base 109, be equipped with screw 1091 on the ball valve base 109, the cover is equipped with locking screw 1092 on the screw 1091, locking screw 1092 downside is equipped with horizontal trompil 1093, further explain, ball valve base 109 is square, screw 1091 and locking screw 1092 all are equipped with four, locking screw 1092 is applicable to the locking lever locking, after the screw is screwed up, the locking lever penetrates in the locking screw 1092 for locking screw 1092 can not be twisted out, guaranteed that the ball valve can always be fixed on ball valve base station 2, avoided the stolen possibility of ball valve.
The gas ball valve 1 is further connected with a pipeline connecting structure 4, the inner wall and the outer wall of the pipeline connecting structure 4 are both provided with threads, the right side of the pipeline connecting structure 4 is provided with a connecting plate 401, further, a screw hole is formed in the connecting plate 401 and used for being connected with a valve, the threads of the outer wall of the pipeline connecting structure 4 are used for being connected with a valve interface, the threads of the inner wall of the pipeline connecting structure 4 are used for being connected with a pipeline, the tail end of the pipeline in the design is also provided with threads and used for being connected with the threads of the inner wall of the pipeline connecting structure 4, after the threads of the three parts are all installed and connected, the three parts are integrated, a thief can twist the pipeline without moving if wanting to change the pipeline privately, and the pipeline connecting structure 4 need to be twisted respectively if the thief needs to disassemble.
The use method of the gas anti-theft ball valve comprises the following steps:
s1, before installation, building a base, installing the ball valve base 2 on the base, installing the pipeline on the pipeline connecting structure 4, and connecting the pipeline connecting structure 4 and the pipeline to the ball valve;
s2, the ball valve is fixed on a ball valve base 2 by the four locking screws 1092 passing through the four screw holes 1091 and entering the four locking screw holes 201, then the locking bolt 3 is inserted into the bolt hole 202 and pushes the inserted rod 302 after insertion, the two lock posts 3025 are moved outwards by the connecting structure 3024, the lock posts 3025 push the bolt connecting rod 2031, the bolt connecting rod 2031 is expanded to two sides, the two sides of the connecting rod 2032 are rotated around the central axis thereof by the lever principle, and the locking connecting rod 2033 is moved inwards, so that the locking connecting rod 2033 is inserted into the transverse opening 1093 to lock the locking screw 1092, the lock posts 3025 are retracted by pulling the inserted rod 302, and finally the locking bolt 3 is taken out to lock the ball valve;
s3, when the worker needs to detach, the locking bolt 3 is inserted again, and the switch 3013 is pressed, the coil is dotted through the battery 3014, and then the two lock posts 3025 are magnetized, the two bolt links 2031 are attracted to move inward through the magnetic attraction effect, and the locking links 2033 are expanded to move outward through the connecting links 2032, so that the locking links 2033 are separated from the transverse hole 1093, at this time, the locking screw 1092 can be screwed out, and the ball valve can be detached.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (8)
1. The utility model provides a gas theftproof ball valve which characterized in that: including gas ball valve, ball valve base station and locking bolt, the gas ball valve can be dismantled with the ball valve base station and be connected, the ball valve base station can be dismantled with locking bolt and be connected.
2. A gas anti-theft ball valve according to claim 1, characterized in that: the ball valve is characterized in that locking screw holes and bolt holes are formed in the upper surface and the side face of the ball valve base station, and a connecting rod structure is arranged in the ball valve base station.
3. A gas anti-theft ball valve according to claim 2, characterized in that: the connecting rod structure comprises a bolt connecting rod, a connecting rod and a locking connecting rod, wherein the bolt connecting rod is connected with the connecting rod through a shaft, and the connecting rod is connected with the locking connecting rod through a shaft.
4. A gas anti-theft ball valve according to claim 1, characterized in that: the locking bolt comprises a bolt shell and an inserted bar, the shell is movably connected with the inserted bar, and the shell and the inserted bar are cylindrical.
5. A gas anti-theft ball valve according to claim 4, characterized in that: still be equipped with baffle, guide block, stopper, connection structure and lock post on the inserted bar, the right half of inserted bar is located to the baffle, the inserted bar is located to guide block and stopper cover, guide block and stopper and inserted bar fixed connection, inserted bar left side and connection structure swing joint, connection structure and lock post swing joint.
6. A gas anti-theft ball valve according to claim 1, characterized in that: the gas ball valve comprises a valve core, a valve body base, sealing filler, a valve rod guide pin and a valve cover, wherein the upper side of the valve core is fixedly connected with the lower side of the sealing filler, the valve core is in sealing connection with the valve body base, the upper side of the sealing filler is detachably connected with the lower side of the valve rod, the valve rod guide pin is detachably connected with the valve rod, and the valve cover is arranged on the outer side of the sealing filler.
7. A gas anti-theft ball valve according to claim 1, characterized in that: the gas ball valve downside still is equipped with the ball valve base, be equipped with the screw on the ball valve base, the cover is equipped with the locking screw on the screw, the locking screw downside is equipped with horizontal trompil.
8. A gas anti-theft ball valve according to claim 1, characterized in that: the gas ball valve is further connected with a pipeline connecting structure, threads are arranged on the inner wall and the outer wall of the pipeline connecting structure, and a connecting plate is arranged on the right side of the pipeline connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194560.XA CN114623280A (en) | 2022-03-01 | 2022-03-01 | Gas anti-theft ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194560.XA CN114623280A (en) | 2022-03-01 | 2022-03-01 | Gas anti-theft ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114623280A true CN114623280A (en) | 2022-06-14 |
Family
ID=81900338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210194560.XA Withdrawn CN114623280A (en) | 2022-03-01 | 2022-03-01 | Gas anti-theft ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623280A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307857A (en) * | 2023-11-30 | 2023-12-29 | 四川岷河管道建设工程有限公司 | Connector assembly for preventing gas theft |
-
2022
- 2022-03-01 CN CN202210194560.XA patent/CN114623280A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307857A (en) * | 2023-11-30 | 2023-12-29 | 四川岷河管道建设工程有限公司 | Connector assembly for preventing gas theft |
| CN117307857B (en) * | 2023-11-30 | 2024-02-09 | 四川岷河管道建设工程有限公司 | Connector assembly for preventing gas theft |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220614 |
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| WW01 | Invention patent application withdrawn after publication |