CN114183622A - Pressure fluid pipeline prevents leaking safe plugging device - Google Patents

Pressure fluid pipeline prevents leaking safe plugging device Download PDF

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Publication number
CN114183622A
CN114183622A CN202111568173.XA CN202111568173A CN114183622A CN 114183622 A CN114183622 A CN 114183622A CN 202111568173 A CN202111568173 A CN 202111568173A CN 114183622 A CN114183622 A CN 114183622A
Authority
CN
China
Prior art keywords
pipeline
fixing
annular
cover
pressure fluid
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.)
Pending
Application number
CN202111568173.XA
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Chinese (zh)
Inventor
杨楚周
李永华
祁文虎
卢承键
毕晓飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Golden Hair New Materials Co ltd
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Ningbo Golden Hair New Materials Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Golden Hair New Materials Co ltd filed Critical Ningbo Golden Hair New Materials Co ltd
Priority to CN202111568173.XA priority Critical patent/CN114183622A/en
Publication of CN114183622A publication Critical patent/CN114183622A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10Means for stopping flow from or in pipes or hoses
    • F16L55/115Caps
    • F16L55/1152Caps fixed by screwing or by means of a screw-threaded ring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04Devices damping pulsations or vibrations in fluids
    • F16L55/045Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05Buffers therefor
    • F16L55/052Pneumatic reservoirs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

The invention relates to the technical field of pipeline plugging equipment, in particular to a pressure fluid pipeline leakage-proof safety plugging device; including the pipeline, the annular fixed plate, spacing subassembly, fixed lid and shutoff mechanism, the annular fixed plate is located the outside of pipeline, and the side of annular fixed plate has a plurality of mounting holes, spacing subassembly is located the inside of pipeline, fixed lid is located the side of spacing subassembly, shutoff mechanism is located the side of fixed lid, establish the outside at the pipeline through the annular fixed plate cover, spacing subassembly sets up in the inside of pipeline, fixed lid covers the pipeline, the shutoff mechanism of fixed lid side setting carries out the shutoff with the pipeline, thereby just can strengthen the shutoff effect, the life of extension pipeline.

Description

Pressure fluid pipeline prevents leaking safe plugging device
Technical Field
The invention relates to the technical field of pipeline plugging equipment, in particular to a pressure fluid pipeline leakage-proof safety plugging device.
Background
A pipe is a device for conveying a gas, a liquid or a fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, and generally, the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high pressure position to a low pressure position of the pipe, and can also be conveyed by using the pressure or gravity of the fluid. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.
In the installation process of a pipeline, the pipeline is often required to be plugged, the existing pipeline plugging usually adopts an air bag for plugging, the pipeline plugging air bag is expanded by an inflation method by using a pipeline plugging air bag made of high-quality rubber, water leakage is plugged by using the friction force generated by the wall of the pipeline plugging air bag and the pipeline, and the purpose of no water leakage is achieved.
Disclosure of Invention
The invention aims to provide a pressure fluid pipeline leakage-proof safety plugging device, and aims to solve the technical problems that the existing pressure fluid pipeline leakage-proof safety plugging device in the prior art is plugged by an air bag, the maintenance time of the plugging effect is limited, the plugging effect is poor, and the use of the pipeline is influenced.
In order to achieve the above object, the present invention provides a pressure fluid pipeline leakage-proof safety plugging device, which comprises a pipeline, an annular fixing plate, a limiting assembly, a fixing cover and a plugging mechanism, wherein the annular fixing plate is movably connected to the pipeline and is located outside the pipeline, a plurality of mounting holes are formed in the side edge of the annular fixing plate, the limiting assembly is fixedly connected to the pipeline and is located inside the pipeline, the fixing cover is movably connected to the pipeline and is located at an opening at the end of the pipeline, and the plugging mechanism is fixedly connected to the fixing cover and is located on the side edge of the fixing cover;
plugging mechanism includes annular support plate, double-screw bolt, nut, gasbag, trachea and fixed stopper, the inside lateral wall of fixed lid has the internal thread, fixed lid with pipeline threaded connection, annular support plate with fixed lid fixed connection, and be located the side of fixed lid, the quantity of double-screw bolt is many, many the double-screw bolt all encircles and sets up in the periphery of annular support plate, and run through respectively the mounting hole, every the both ends of double-screw bolt all are provided with the nut, the gasbag set up in the inside of fixed lid, tracheal one end with gasbag fixed connection, the tracheal other end runs through fixed lid, and with fixed stopper swing joint, fixed stopper set up in the side of fixed lid.
The annular fixing plate sleeve is established the outside of pipeline, spacing subassembly set up in the inside of pipeline, fixed lid will the pipeline covers, through the fixed lid side sets up the shutoff mechanism will the pipeline carries out the shutoff to just can strengthen the shutoff effect, the extension the life of pipeline.
The plugging mechanism further comprises an annular rubber pad, and the annular rubber pad is fixedly connected with the fixed cover and is positioned inside the fixed cover.
The annular rubber pad is arranged in the fixed cover to strengthen the plugging effect of the fixed cover on the pipeline.
The plugging mechanism further comprises a fixing ring, the fixing ring is fixedly connected with the fixing cover and is positioned on the side edge of the fixing cover, and the fixing ring is sleeved outside the air pipe.
The retainer plate set up in the side of fixed lid can with the trachea supports, thereby is convenient for right trachea's use.
The limiting assembly comprises a round fixing block and two supporting rods, the number of the supporting rods is at least two, the supporting rods are respectively arranged in the pipeline in a cross mode, and the round fixing block is fixedly connected with the supporting rods and located on the side edges of the supporting rods.
The supporting rods are respectively arranged inside the pipeline in a cross mode, the round fixing blocks are arranged at the staggered positions of the supporting rods, so that the protection of the air bags on the side edges is enhanced, and the service life is prolonged.
The limiting assembly further comprises an annular spongy cushion, and the annular spongy cushion is fixedly connected with the round fixing block and is located on the side edge of the round fixing block.
The annular spongy cushion is arranged on the side edge of the round fixing block and can assist the air bag to protect the air bag.
The pressure fluid pipeline leakage-proof safety plugging device also comprises an annular sealing element, wherein the annular sealing element is fixedly connected with the pipeline and is positioned on the side edge of the fixed cover.
The annular sealing piece is arranged on the side edge of the fixed cover and can assist the fixed cover to enhance the sealing effect.
The invention relates to a pressure fluid pipeline leakage-proof safety plugging device, which is sleeved outside a pipeline through an annular fixing plate, a limiting component is arranged inside the pipeline, a fixing cover is arranged on the side edge of the pipeline, a plugging mechanism is arranged on the side edge of the fixing cover, when the pipeline needs to be plugged, the limiting component is rotationally fixed on the side edge of the pipeline through threads arranged inside the fixing cover, when the fixing cover is fixed on the side edge of the pipeline, an annular supporting plate arranged on the side edge of the fixing cover is driven to the annular fixing plate arranged on the side edge of the pipeline, then, a plurality of studs are arranged on the side edge of the annular supporting plate, the annular fixing plate arranged on the side edge of the pipeline is moved to the fixing cover, and the plurality of studs surround the annular supporting plate, the screw caps are arranged at two ends of the screw studs after the screw studs penetrate through the mounting holes on the side edge of the annular fixing plate, each screw stud can be fixed, then the fixing plugs on the side edge of the fixing covers are opened, the air pipes arranged on the side edges of the fixing plugs are inflated, air flow of the air pipes is injected into the air bags connected with the inside of the pipeline, the air bags are blown to be large, the inside of the pipeline is blocked, the limiting assemblies are arranged in the pipeline and located on the side edges of the air bags, the air bags can be assisted to protect the air bags, the limiting assemblies are arranged on the side edges of the air bags, when water flow is injected into the air bags, the limiting assemblies can shield the water flow injected into the air bags, and therefore the service lives of the air bags can be prolonged, the water flow in the pipeline can be buffered, so that the plugging effect is enhanced, and the service life of the pipeline is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pressure fluid pipeline leakage-proof safety plugging device of the invention.
Fig. 2 is a rear view of the pressure fluid pipeline leakage-proof safety plugging device of the invention.
Fig. 3 is a side view of a pressure fluid pipeline leakage-proof safety plugging device of the invention.
Fig. 4 is a cross-sectional view of the a-a line structure of fig. 3 of the present invention.
Fig. 5 is a partial enlarged view of the present invention at B of fig. 4.
The device comprises a pipeline 1, an annular fixing plate 2, a limiting assembly 3, a circular fixing block 31, a supporting rod 32, an annular sponge cushion 33, a fixing cover 4, a blocking mechanism 5, an annular supporting plate 51, a stud 52, a nut 53, an air bag 54, an air pipe 55, a fixing plug 56, an annular rubber pad 57, a fixing ring 58, an annular sealing element 6, an auxiliary pipe 7, a buffer assembly 8, a spring 81, a buffer plate 82 and a mounting hole 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a pressure fluid pipeline leakage-proof safety plugging device, which comprises a pipeline 1, an annular fixing plate 2, a limiting component 3, a fixing cover 4 and a plugging mechanism 5, wherein the annular fixing plate 2 is movably connected with the pipeline 1 and is located outside the pipeline 1, the side of the annular fixing plate 2 is provided with a plurality of mounting holes 9, the limiting component 3 is fixedly connected with the pipeline 1 and is located inside the pipeline 1, the fixing cover 4 is movably connected with the pipeline 1 and is located at an opening at the tail end of the pipeline 1, and the plugging mechanism 5 is fixedly connected with the fixing cover 4 and is located at the side of the fixing cover 4;
the blocking mechanism 5 comprises an annular supporting plate 51, studs 52, nuts 53, air bags 54, air pipes 55 and fixing plugs 56, the inner side wall of the fixing cover 4 is provided with internal threads, the fixing cover 4 is in threaded connection with the pipeline 1, the annular supporting plate 51 is fixedly connected with the fixing cover 4 and is located on the side edge of the fixing cover 4, the studs 52 are multiple in number, the studs 52 are arranged on the periphery of the annular supporting plate 51 in a surrounding mode and penetrate through the mounting holes 9 respectively, the nuts 53 are arranged at two ends of each stud 52, the air bags 54 are arranged inside the fixing cover 4, one end of each air pipe 55 is fixedly connected with the air bags 54, the other end of each air pipe 55 penetrates through the fixing cover 4 and is movably connected with the fixing plugs 56, and the fixing plugs 56 are arranged on the side edge of the fixing cover 4.
In this embodiment, the annular fixing plate 2 is sleeved outside the pipeline 1, the limiting component 3 is disposed inside the pipeline 1, the fixing cover 4 is disposed at a side edge of the pipeline 1, the plugging mechanism 5 is disposed at a side edge of the fixing cover 4, when the pipeline 1 needs to be plugged, the limiting component is rotatably fixed at the side edge of the pipeline 1 through a thread disposed inside the fixing cover 4, when the fixing cover 4 is fixed at the side edge of the pipeline 1, the annular supporting plate 51 disposed at the side edge of the fixing cover 4 is driven to the annular fixing plate 2 disposed at the side edge of the pipeline 1, then, a plurality of studs 52 are disposed at the side edge of the annular supporting plate 51, the annular fixing plate 2 at the side edge of the pipeline 1 is moved to the fixing cover 4, the plurality of studs 52 penetrate through the mounting holes 9 at the side edge of the annular fixing plate 2, after the studs 52 penetrate through, nuts 53 are disposed at two ends of the studs 52, and each stud 52 can be fixed, subsequently, just open the fixed stopper 56 of fixed lid 4 side, just inflate through the trachea 55 that fixed stopper 56 side set up, pour into its air current to the inside of the gasbag 54 of pipeline 1 internal connection, blow big gasbag 54, thereby seal up pipeline 1 is inside, spacing subassembly 3 sets up in the inside of pipeline 1, and be located the side of gasbag 54, can assist gasbag 54, protect gasbag 54, can cushion the inside rivers of pipeline 1, thereby strengthen the shutoff effect, prolong the life of pipeline 1.
Further, the blocking mechanism 5 further includes an annular rubber pad 57, and the annular rubber pad 57 is fixedly connected with the fixed cover 4 and is located inside the fixed cover 4.
In the present embodiment, the ring-shaped rubber pad 57 is provided inside the fixing cover 4, and when the fixing cover 4 is covered on the side of the duct 1, the ring-shaped rubber pad 57 can assist the air bag 54 to enhance the sealing of the duct 1, thereby prolonging the service life.
Further, the plugging mechanism 5 further comprises a fixing ring 58, the fixing ring 58 is fixedly connected with the fixing cover 4 and is located on a side edge of the fixing cover 4, and the fixing ring 58 is sleeved outside the air pipe 55.
In this embodiment, the fixing ring 58 is sleeved on the outside of the air pipe 55, and can support the air pipe 55 at the side of the fixing cover 4, and can assist the fixing cover 4 to enhance the plugging effect.
Further, the limiting assembly 3 comprises a circular fixing block 31 and at least two support rods 32, the number of the support rods 32 is at least two, the support rods 32 are respectively arranged inside the pipeline 1 in a cross manner, and the circular fixing block 31 is fixedly connected with the support rods 32 and is positioned on the side edges of the support rods 32.
In the present embodiment, the support rods 32 are respectively disposed inside the pipeline 1 in a staggered manner, and the circular fixing blocks 31 are disposed at the staggered positions of the support rods 32, so that the air bags 54 disposed at the sides can be supported, the air bags 54 can be protected, and a part of water pressure can be blocked, thereby assisting the plugging mechanism 5 and enhancing the plugging effect.
Further, the limiting assembly 3 further comprises an annular sponge cushion 33, and the annular sponge cushion 33 is fixedly connected with the round fixing block 31 and is positioned on the side edge of the round fixing block 31.
In the embodiment, the annular foam-rubber cushion 33 is arranged on the side edge of the round fixing block 31, when the air bag 54 is inflated and coated on the side edge of the round fixing block 31, the annular foam-rubber cushion 33 can assist the round fixing block 31 to strengthen the protection of the air bag 54, so that the service life of the air bag 54 is prolonged.
Furthermore, the pressure fluid pipeline leakage-proof safety plugging device also comprises an annular sealing element 6, wherein the annular sealing element 6 is fixedly connected with the pipeline 1 and is positioned on the side edge of the fixed cover 4.
In the present embodiment, the annular sealing member 6 is disposed at the side of the fixing cover 4, and when the fixing cover 4 covers the pipeline 1, the annular sealing member 6 can assist the fixing cover 4 to enhance the sealing effect, thereby prolonging the service life.
Furthermore, the pressure fluid pipeline leakage-proof safety plugging device also comprises an auxiliary pipe 7, wherein the auxiliary pipe 7 is fixedly connected with the pipeline 1, is positioned in the pipeline 1 and is positioned on the side edge of the limiting component 3.
In the present embodiment, the auxiliary tube 7 is disposed at the side of the position limiting component 3, the auxiliary tube 7 can assist the pipeline 1 to enhance the protection of the airbag 54, and the auxiliary tube 7 can enhance the protection of the pipeline 1 to prolong the service life of the pipeline 1.
Furthermore, the pressure fluid pipeline leakage-proof safety plugging device also comprises a buffer component 8, wherein the buffer component 8 is fixedly connected with the circular fixing block 31 and is positioned at the side edge of the circular fixing block 31.
In this embodiment, the buffer assembly 8 is arranged on the side of the fixed block, when pressure fluid is introduced into the pipeline 1, the buffer assembly 8 arranged in the pipeline 1 can buffer the pressure fluid, so that the buffer assembly 8 can assist the limit assembly 3 on the side to enhance the buffer effect, and the sealing effect of the plugging mechanism 5 can be enhanced.
Further, the buffer assembly 8 comprises a spring 81 and a buffer plate 82, wherein one end of the spring 81 is fixedly connected with the circular fixing block 31, and the other end of the spring 81 is fixedly connected with the buffer plate 82 and is located inside the pipeline 1.
In this embodiment, when pressure fluid is injected into the water pipe, the pressure fluid pushes the buffer plate 82 of the buffer assembly 8, the buffer plate 82 compresses the fixedly connected spring 81, the spring 81 has the effect of stretching and resetting, and then, after the spring 81 is compressed by pressure, the spring is stretched under the support of the round fixing block 31 on the side, so that the fixedly connected buffer plate 82 is stretched and reset, so that the limit assembly 3 on the side is protected and is prevented from being impacted greatly, and the plugging effect can be enhanced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A pressure fluid pipeline anti-leakage safety plugging device, which is characterized in that,
the pipeline plugging device comprises a pipeline (1), an annular fixing plate (2), a limiting component (3), a fixing cover (4) and a plugging mechanism (5), wherein the annular fixing plate (2) is movably connected with the pipeline (1) and is positioned outside the pipeline (1), the side edge of the annular fixing plate (2) is provided with a plurality of mounting holes (9), the limiting component (3) is fixedly connected with the pipeline (1) and is positioned inside the pipeline (1), the fixing cover (4) is movably connected with the pipeline (1) and is positioned at an opening at the tail end of the pipeline (1), and the plugging mechanism (5) is fixedly connected with the fixing cover (4) and is positioned at the side edge of the fixing cover (4);
the plugging mechanism (5) comprises an annular supporting plate (51), studs (52), screw caps (53), an air bag (54), an air pipe (55) and a fixing plug (56), wherein the inner side wall of the fixing cover (4) is provided with internal threads, the fixing cover (4) is in threaded connection with the pipeline (1), the annular supporting plate (51) is fixedly connected with the fixing cover (4) and is positioned on the side edge of the fixing cover (4), the number of the studs (52) is multiple, the studs (52) are arranged on the periphery of the annular supporting plate (51) in a surrounding mode and penetrate through the mounting holes (9) respectively, the screw caps (53) are arranged at two ends of each stud (52), the air bag (54) is arranged inside the fixing cover (4), one end of the air pipe (55) is fixedly connected with the air bag (54), and the other end of the air pipe (55) penetrates through the fixing cover (4), and is movably connected with the fixed plug (56), and the fixed plug (56) is arranged on the side edge of the fixed cover (4).
2. A leakage preventing safety shut-off device for pressure fluid pipelines according to claim 1,
the plugging mechanism (5) further comprises an annular rubber pad (57), and the annular rubber pad (57) is fixedly connected with the fixed cover (4) and is positioned inside the fixed cover (4).
3. A leakage preventing safety shut-off device for pressure fluid pipelines according to claim 2,
the plugging mechanism (5) further comprises a fixing ring (58), the fixing ring (58) is fixedly connected with the fixing cover (4) and is located on the side edge of the fixing cover (4), and the fixing ring (58) is sleeved outside the air pipe (55).
4. A leakage preventing safety shut-off device for pressure fluid pipelines according to claim 3,
spacing subassembly (3) are including circular fixed block (31) and bracing piece (32), the quantity of bracing piece (32) is two at least, bracing piece (32) respectively the cross set up in the inside of pipeline (1), circular fixed block (31) with bracing piece (32) fixed connection, and be located the side of bracing piece (32).
5. A leakage preventing safety shut-off device for pressure fluid pipelines according to claim 4,
the limiting assembly (3) further comprises an annular spongy cushion (33), and the annular spongy cushion (33) is fixedly connected with the round fixing block (31) and is positioned on the side edge of the round fixing block (31).
6. A leakage preventing safety shut-off device for pressure fluid pipelines according to any of the claims 1-5,
the pressure fluid pipeline leakage-proof safety plugging device also comprises an annular sealing element (6), wherein the annular sealing element (6) is fixedly connected with the pipeline (1) and is positioned on the side edge of the fixed cover (4).
CN202111568173.XA 2021-12-21 2021-12-21 Pressure fluid pipeline prevents leaking safe plugging device Pending CN114183622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111568173.XA CN114183622A (en) 2021-12-21 2021-12-21 Pressure fluid pipeline prevents leaking safe plugging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111568173.XA CN114183622A (en) 2021-12-21 2021-12-21 Pressure fluid pipeline prevents leaking safe plugging device

Publications (1)

Publication Number Publication Date
CN114183622A true CN114183622A (en) 2022-03-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115077692A (en) * 2022-08-22 2022-09-20 山东一唯自动化有限公司 Fluid vibration detection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000066241A (en) * 1999-04-14 2000-11-15 윤은중 water hammer arrester and manufacturing method and apparatus thereof
CN110748722A (en) * 2019-11-15 2020-02-04 镇江联创机械配件有限公司 Elastic sealing element for pipeline connection
CN210830997U (en) * 2019-11-22 2020-06-23 辽河石油勘探局有限公司 Anti-leakage safety plugging device for pressure fluid pipeline
CN112303274A (en) * 2020-10-26 2021-02-02 江苏明通福路流体控制设备有限公司 High-pressure-resistant valve device and manufacturing method
CN113483187A (en) * 2021-08-17 2021-10-08 温州三菱阀门锻造有限公司 Double-ball double-seal ball valve with protective device
CN214467005U (en) * 2021-03-19 2021-10-22 争一阀门科技有限公司 Self-protection water hammer eliminator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000066241A (en) * 1999-04-14 2000-11-15 윤은중 water hammer arrester and manufacturing method and apparatus thereof
CN110748722A (en) * 2019-11-15 2020-02-04 镇江联创机械配件有限公司 Elastic sealing element for pipeline connection
CN210830997U (en) * 2019-11-22 2020-06-23 辽河石油勘探局有限公司 Anti-leakage safety plugging device for pressure fluid pipeline
CN112303274A (en) * 2020-10-26 2021-02-02 江苏明通福路流体控制设备有限公司 High-pressure-resistant valve device and manufacturing method
CN214467005U (en) * 2021-03-19 2021-10-22 争一阀门科技有限公司 Self-protection water hammer eliminator
CN113483187A (en) * 2021-08-17 2021-10-08 温州三菱阀门锻造有限公司 Double-ball double-seal ball valve with protective device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115077692A (en) * 2022-08-22 2022-09-20 山东一唯自动化有限公司 Fluid vibration detection device
CN115077692B (en) * 2022-08-22 2022-12-06 山东一唯自动化有限公司 Fluid vibration detection device

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Application publication date: 20220315