CN113007485A - Energy-saving and environment-friendly detection and flow blocking device for water pipe burst - Google Patents
Energy-saving and environment-friendly detection and flow blocking device for water pipe burst Download PDFInfo
- Publication number
- CN113007485A CN113007485A CN202110202178.4A CN202110202178A CN113007485A CN 113007485 A CN113007485 A CN 113007485A CN 202110202178 A CN202110202178 A CN 202110202178A CN 113007485 A CN113007485 A CN 113007485A
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- Prior art keywords
- wall
- energy
- environment
- fixedly connected
- water pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/1022—Fluid cut-off devices automatically actuated
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/03—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with a closure member in the form of an iris-diaphragm
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of energy conservation and environmental protection, and discloses an energy-saving and environment-friendly detection and flow resisting device for water pipe burst. This energy-concerving and environment-protective type is used for detection and choked flow device that water pipe bursts, stretch out gradually in following the carousel through the stopper and mesh mutually with the recess of drive shaft outer wall, drive power gear rotation after drive shaft meshes with the carousel, power gear drives driven gear and rotates, the spoiler removes along the spout of its inner wall and gathers together gradually when the spoiler rotates, when the spoiler is complete when closing, rivers in the pipe wall stop flowing, a large amount of water source loss has been avoided, the loss that the conduit leaked and brought has been reduced.
Description
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to an energy-saving and environmental-protection type detection and flow blocking device for water pipe bursting.
Background
The life source is natural, the health comes from environmental protection, and the energy is not wasted, which is the embodiment of a life attitude, along with the exhaustion of natural resources, the concept of water conservation is gradually deepened into the mind, but a large amount of water pipelines still cause pipeline breakage due to construction or pipeline material aging every year, so that a large amount of fresh water resources are lost, and the energy is not saved and the environment is protected very much.
The principle of the method is that a delay switch is started to close a valve after water flow continuously flows for a period of time, and a main water pipeline needs to continuously supply water, so that the applicability of the delay valves to the water pipeline with large water supply quantity is poor, and the water supply pipeline needs to stop water in time when being broken, so that water resource loss is avoided, loss caused by water leakage of the water pipeline is reduced in time, and an energy-saving and environment-friendly detection and flow blocking device for water pipe burst is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an energy-saving and environment-friendly detection and flow resisting device for water pipe bursting, which has the advantages of energy conservation, environmental protection and strong applicability and solves the problems of small application range, no energy conservation and environmental protection of the traditional water pipe bursting detection device.
(II) technical scheme
In order to achieve the purposes of energy conservation, environmental protection and strong applicability, the invention provides the following technical scheme: an energy-saving and environment-friendly detection and flow blocking device for water pipe burst comprises a pipe wall, wherein the outer wall of the pipe wall is fixedly connected with a fixed base, an adjusting block is movably connected inside the fixed base, a magnetic strip is fixedly connected with the opposite end of the adjusting block, the outer wall of the magnetic strip is fixedly connected with a compression spring, the opposite end of the compression spring is fixedly connected with a fixed magnetic block, the bottom wall of the adjusting block is fixedly connected with a transmission rod, the bottom end of the transmission rod is movably connected with a driving shaft, the outer wall of the driving shaft is fixedly connected with a power gear, the outer wall of the power gear is engaged with a driven gear, the bottom wall of the driven gear is fixedly connected with a driving gear, the outer wall of the driving gear is engaged with a flow blocking disc, the relative end swing joint of drive shaft has the carousel, the inside swing joint of carousel has the stopper, the outer wall fixedly connected with drive turbine of carousel.
Preferably, the adjusting block is connected with the fixed base in a sliding manner, and a waterproof rubber cushion block is arranged at the meshing position of the adjusting block and the pipe wall.
Preferably, the fixed magnetic block is made of an electromagnet, the fixed magnetic block does not show magnetism when not electrified, and the magnetism after the electrification is the same as that of the magnetic strip.
Preferably, the driving shaft is rotatably connected with the transmission rod through a ball bearing, the driving shaft is a telescopic shaft, and the inner shaft is meshed with the outer shaft through a spline.
Preferably, the inner wall of the spoiler is connected with a spoiler in a sliding manner, and the inner wall of the spoiler is provided with a sliding groove engaged with the spoiler.
Preferably, the connection mode of the limiting block and the turntable is sliding connection, and the reverse end of the limiting block is fixedly connected with a return spring.
Preferably, an arc-shaped plate is arranged on the inner wall of the pipe wall above the driving turbine, and the bottom end of the arc-shaped plate is fixedly connected with the pipe wall through a screw plug.
Preferably, the inside of the rotating disc is inserted with a bearing fixedly connected with the driving turbine, and the outer wall of the rotating disc is movably connected with a power generation element.
(III) advantageous effects
Compared with the prior art, the invention provides an energy-saving and environment-friendly detection and flow blocking device for water pipe burst, which has the following beneficial effects:
1. this energy-concerving and environment-protective type is used for detection and choked flow device that water pipe bursts, stretch out gradually and mesh mutually with the recess of drive shaft outer wall in following the carousel through the stopper, drive power gear rotation after drive shaft meshes with the carousel, power gear drives driven gear and rotates, driven gear drives the spoiler and rotates, the spoiler removes along the spout of its inner wall and gathers together gradually when the spoiler rotates, when the spoiler is complete the closure, rivers in the pipe wall stop to flow, a large amount of water source loss has been avoided, the loss that the conduit leaked and brought has been reduced.
2. This energy-concerving and environment-protective type is used for detection and choked flow device that water pipe bursts, the spoiler removes along the spout of its inner wall and gathers together gradually when rotating through the spoiler, along with the reduction of delivery port, the pressure and the velocity of flow of rivers are crescent once more in the pipe wall, the rotational speed increase of drive turbine, the stopper breaks away from with the drive shaft gradually, the resistance that fixed magnetic path and compression spring were overcome to the regulating block contracts in to unable adjustment base, the drive shaft breaks away from with the carousel gradually, drive gear still drives the spoiler and rotates until the spoiler is closed completely under inertial effect, in time carry out the stagnant flow to the water pipe that bursts, the device has been improved the suitability to different water pipes, more energy-concerving and.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the conditioning block assembly of the present invention;
FIG. 3 is a schematic structural diagram of a fixed magnetic block assembly according to the present invention;
FIG. 4 is a schematic view of the drive shaft assembly of the present invention;
FIG. 5 is a side view schematic of the drive turbine assembly of the present invention;
FIG. 6 is a schematic top view of the spoiler in accordance with the present invention;
FIG. 7 is a schematic side view of the turntable according to the present invention;
FIG. 8 is a side view of the drive shaft of the present invention.
In the figure: 1. a tube wall; 2. a fixed base; 3. an adjusting block; 4. a drive gear; 5. a choke plate; 6. a power gear; 7. a driven gear; 8. a fixed magnetic block; 9. a drive turbine; 10. a compression spring; 11. a magnetic strip; 12. a transmission rod; 13. a drive shaft; 14. an arc-shaped plate; 15. a spoiler; 16. a limiting block; 17. a turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an energy-saving and environment-friendly type flow blocking and detecting device for water pipe burst comprises a pipe wall 1, an arc plate 14 is arranged on the inner wall of the pipe wall 1 above a driving turbine 9, the bottom end of the arc plate 14 is fixedly connected with the pipe wall 1 through a screw plug, a fixed base 2 is fixedly connected with the outer wall of the pipe wall 1, an adjusting block 3 is movably connected inside the fixed base 2, the adjusting block 3 is connected with the fixed base 2 in a sliding manner, a waterproof rubber cushion block is arranged at the meshing position of the adjusting block 3 and the pipe wall 1, a magnetic strip 11 is fixedly connected with the opposite end of the adjusting block 3, a compression spring 10 is fixedly connected with the outer wall of the magnetic strip 11, a fixed magnetic block 8 is fixedly connected with the opposite end of the compression spring 10, the fixed magnetic block 8 is made of an electromagnet, and does not show magnetism when the electromagnet is not electrified, the magnetism, the bottom end of the transmission rod 12 is movably connected with a driving shaft 13, the driving shaft 13 is rotatably connected with the transmission rod 12 through a ball bearing, the driving shaft 13 is a telescopic shaft, an inner shaft is meshed with an outer shaft through a spline, the outer wall of the driving shaft 13 is fixedly connected with a power gear 6, the outer wall of the power gear 6 is meshed with a driven gear 7, the bottom wall of the driven gear 7 is fixedly connected with a driving gear 4, the outer wall of the driving gear 4 is meshed with a spoiler 5, the inner wall of the spoiler 5 is slidably connected with a spoiler 15, the inner wall of the spoiler 5 is provided with a chute meshed with the spoiler 15, the opposite end of the driving shaft 13 is movably connected with a rotary table 17, a bearing is inserted into the rotary table 17 and fixedly connected with a driving turbine 9, the outer wall of the rotary table 17 is movably connected with a power generation, the connection mode of stopper 16 and carousel 17 is sliding connection, and stopper 16's the back of the body end fixedly connected with reset spring, carousel 17's outer wall fixedly connected with drive turbine 9.
The working principle is that when the lower end of the pipe wall 1 bursts during use, the pressure of water flow in the pipe wall 1 is reduced, the extrusion force of the water flow in the pipe wall 1 on the opposite side of the adjusting block 3 is reduced, the magnetic strip 11 is driven by the repulsive force of the fixed magnetic block 8 and the elastic force of the compression spring 10 to drive the adjusting block 3 to move in the opposite direction, at the same time, the driving turbine 9 still keeps a large rotating speed under the action of the water flow and the arc plate 14, similarly, the limiting block 16 on the inner wall of the rotary table 17 still keeps a contraction state, the adjusting block 3 drives the driving shaft 13 to be gradually inserted into the rotary table 17 when moving in the opposite direction, when the adjusting block 3 gradually covers the driving turbine 9, the rotating speed of the driving turbine 9 is gradually reduced, at the moment, the limiting block 16 gradually extends out of the rotary table 17 and is meshed with the groove on the outer wall of the driving shaft 13, the, the power gear 6 drives the driven gear 7 to rotate, the driven gear 7 drives the spoiler 5 to rotate, the spoiler 15 gradually gathers together along the sliding groove movement of the inner wall of the spoiler when the spoiler 5 rotates, along with the reduction of the water outlet, the pressure and the flow rate of water flow in the pipe wall 1 gradually increase again, the rotating speed of the driving turbine 9 is increased, the limiting block 16 and the driving shaft 13 gradually break away from each other, the adjusting block 3 overcomes the resistance of the fixed magnetic block 8 and the compression spring 10 and shrinks towards the inside of the fixed base 2, the driving shaft 13 and the turntable 17 gradually break away from each other, the driving gear 4 still drives the spoiler 5 to rotate under the action of inertia, when the spoiler 15 is completely closed, the water flow in the pipe wall 1 stops flowing, a large amount of water sources are prevented from running off, and the loss caused.
To sum up, the energy-saving and environment-friendly device for detecting and blocking the burst of the water pipe gradually extends out of the rotary table 17 through the limiting block 16 and is meshed with the groove on the outer wall of the driving shaft 13, the driving shaft 13 is meshed with the rotary table 17 to drive the power gear 6 to rotate, the power gear 6 drives the driven gear 7 to rotate, the driven gear 7 drives the spoiler 5 to rotate, the spoiler 15 moves along the chute on the inner wall of the spoiler 5 to gradually gather when the spoiler 5 rotates, when the spoiler 15 is completely closed, the water flow in the pipe wall 1 stops flowing, so that a large amount of water source loss is avoided, and the loss caused by water leakage of the water pipe is reduced; when rotating through spoiler 5, spoiler 15 removes along the spout of its inner wall and gathers together gradually, along with the reduction of delivery port, the pressure and the velocity of flow of rivers gradually increase once more in the pipe wall 1, drive turbine 9's rotational speed increase, stopper 16 breaks away from gradually with drive shaft 13, regulating block 3 overcomes the resistance of fixed magnetic path 8 and compression spring 10 and contracts in unable adjustment base 2, drive shaft 13 breaks away from gradually with carousel 17, drive gear 4 still drives spoiler 5 and rotates until spoiler 15 is closed completely under inertial effect, in time carry out the stagnant flow to the water pipe that bursts, the suitability of the device to different water pipes has been improved, more energy-concerving and environment-protective.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an energy-concerving and environment-protective type is used for detection and choked flow device that water pipe bursts, includes pipe wall (1), its characterized in that: the outer wall of the pipe wall (1) is fixedly connected with a fixed base (2), the inner movable connection of the fixed base (2) is provided with an adjusting block (3), the back end of the adjusting block (3) is fixedly connected with a magnetic strip (11), the outer wall of the magnetic strip (11) is fixedly connected with a compression spring (10), the back end of the compression spring (10) is fixedly connected with a fixed magnetic block (8), the bottom wall of the adjusting block (3) is fixedly connected with a transmission rod (12), the bottom end of the transmission rod (12) is movably connected with a driving shaft (13), the outer wall of the driving shaft (13) is fixedly connected with a power gear (6), the outer wall of the power gear (6) is meshed with a driven gear (7), the bottom wall of the driven gear (7) is fixedly connected with a driving gear (4), the outer wall of the driving gear, the opposite end swing joint of drive shaft (13) has carousel (17), the inside swing joint of carousel (17) has stopper (16), the outer wall fixedly connected with drive turbine (9) of carousel (17).
2. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the adjusting block (3) is connected with the fixed base (2) in a sliding mode, and a waterproof rubber cushion block is arranged at the meshing position of the adjusting block (3) and the pipe wall (1).
3. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the fixed magnetic block (8) is made of an electromagnet, does not show magnetism when not electrified, and the magnetism after being electrified is the same as that of the magnetic strip (11).
4. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the driving shaft (13) is rotationally connected with the transmission rod (12) through a ball bearing, the driving shaft (13) is a telescopic shaft, and the inner shaft is meshed with the outer shaft through a spline.
5. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the inner wall of the flow blocking disc (5) is connected with a flow blocking plate (15) in a sliding mode, and a sliding groove meshed with the flow blocking plate (15) is formed in the inner wall of the flow blocking disc (5).
6. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the limiting block (16) is connected with the turntable (17) in a sliding mode, and the reverse end of the limiting block (16) is fixedly connected with a return spring.
7. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: an arc-shaped plate (14) is arranged on the inner wall of the pipe wall (1) above the driving turbine (9), and the bottom end of the arc-shaped plate (14) is fixedly connected with the pipe wall (1) through a screw plug.
8. The energy-saving and environment-friendly water pipe burst detection and flow blocking device as claimed in claim 1, wherein: the inside of carousel (17) is pegged graft and is had bearing and drive turbine (9) fixed connection, and the outer wall swing joint of carousel (17) has the power generation component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202178.4A CN113007485A (en) | 2021-02-23 | 2021-02-23 | Energy-saving and environment-friendly detection and flow blocking device for water pipe burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202178.4A CN113007485A (en) | 2021-02-23 | 2021-02-23 | Energy-saving and environment-friendly detection and flow blocking device for water pipe burst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007485A true CN113007485A (en) | 2021-06-22 |
Family
ID=76407904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110202178.4A Withdrawn CN113007485A (en) | 2021-02-23 | 2021-02-23 | Energy-saving and environment-friendly detection and flow blocking device for water pipe burst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007485A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669898A (en) * | 2021-08-11 | 2021-11-19 | 楼秋晓 | Energy-saving environment-friendly gas boiler heat exchange device |
| CN113847460A (en) * | 2021-10-18 | 2021-12-28 | 江苏美霖铜业有限公司 | Copper valve pass through flow control device |
-
2021
- 2021-02-23 CN CN202110202178.4A patent/CN113007485A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669898A (en) * | 2021-08-11 | 2021-11-19 | 楼秋晓 | Energy-saving environment-friendly gas boiler heat exchange device |
| CN113847460A (en) * | 2021-10-18 | 2021-12-28 | 江苏美霖铜业有限公司 | Copper valve pass through flow control device |
| CN113847460B (en) * | 2021-10-18 | 2023-11-21 | 江苏美霖铜业有限公司 | Through flow regulating device of copper valve |
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Application publication date: 20210622 |