CN113530838A - Water pump with self-suction device - Google Patents
Water pump with self-suction device Download PDFInfo
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- CN113530838A CN113530838A CN202110932131.3A CN202110932131A CN113530838A CN 113530838 A CN113530838 A CN 113530838A CN 202110932131 A CN202110932131 A CN 202110932131A CN 113530838 A CN113530838 A CN 113530838A
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- Prior art keywords
- water
- pump
- self
- pipe
- pump body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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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
- F16K31/001—Actuating devices; Operating means; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a 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
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating means
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a water pump with a self-suction device, which comprises a pump body and the self-suction device, wherein the self-suction device is used for sucking air in an inner cavity of the pump body, a one-way air inlet valve is arranged at an air inlet of the self-suction device, an air inlet of the one-way air inlet valve is communicated with the inner cavity of the pump body, and an inductive switch is arranged on the self-suction device and communicated with the inner cavity of the pump body. When the water pump needs to be used, air in the pump body is pumped away through the self-suction device, so that the interior of the pump body is gradually changed into a vacuum state, and the pump body can directly pump water into the pump cavity when in operation. The self-suction device automatically pumps air out of the pump body to replace the water filling into the pump body, so that the operation is more time-saving and labor-saving, and the use of the water pump is more convenient. Moreover, all controls of the water pump are mechanically controlled, all mechanical actions are automatically completed, and the water pump has the advantages of high reliability and difficulty in failure, and is particularly suitable for special environments such as fire fighting, ships, mines and environmental protection.
Description
Technical Field
The present invention relates to water pumps, and more particularly, to a water pump having a self-priming device.
Background
The water pump is a machine for delivering or pressurizing a liquid, and is capable of transferring mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid.
Water pumps typically require that the air inside the pump chamber be evacuated prior to use. If the air in the pump cavity cannot be emptied, the impeller in the pump cavity can only drive the air in the pump cavity to rotate after the water pump is started, a certain vacuum cannot be formed in the pump cavity, and water cannot be drawn into the pump cavity. At present, the mode of generally adopting the watering is with the inside air evacuation of pump chamber, has the problem that the operation is comparatively wasted time and energy.
Disclosure of Invention
In view of the above, the present invention is to provide a water pump with a self-priming device, which has the advantages of saving time and labor for operation without filling water into the pump cavity before use.
In order to solve the technical problems, the technical scheme of the invention is as follows: the water pump with the self-suction device comprises a pump body and the self-suction device, wherein the self-suction device is used for pumping air in an inner cavity of the pump body, a one-way air inlet valve is arranged at an air inlet of the self-suction device, an air inlet of the one-way air inlet valve is communicated with the inner cavity of the pump body, an inductive switch is arranged on the self-suction device and communicated with the inner cavity of the pump body, and when a water outlet of the pump body begins to drain, the inductive switch can control the self-suction device to be closed.
Through above-mentioned technical scheme, when needs use this water pump, through from inhaling the device and taking out the air of pump body inside for the pump body is inside to turn into vacuum state gradually, so the pump body can be with water direct suction to the pump chamber when the operation. The self-suction device automatically pumps air out of the pump body to replace the water filling into the pump body, so that the operation is more time-saving and labor-saving, and the use of the water pump is more convenient. The one-way air inlet valve is arranged at the air suction port of the self-suction device and can prevent air from flowing back to the pump body from the self-suction device, so that the air suction efficiency of the self-suction device can be improved to a certain extent, and the interior of the pump body can be switched into a vacuum state more quickly. In addition, all controls of the water pump are mechanically controlled, all mechanical actions are automatically completed, and the water pump has the advantage of high reliability and is particularly suitable for special environments such as fire fighting, ships, mines and environmental protection.
Preferably, the one-way air inlet valve is characterized by further comprising a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe is communicated with the water inlet of the pump body, the other end of the first connecting pipe is communicated with the air inlet of the one-way air inlet valve, one end of the second connecting pipe is communicated with the pump cavity of the pump body, and the other end of the second connecting pipe is communicated with the air inlet of the one-way air inlet valve.
Through the technical scheme, when the self-suction device works, air at the water inlet of the pump body can be pumped out through the first connecting pipe, and air in the pump cavity of the pump body can be pumped out through the second connecting pipe. So set up for can shift into vacuum state more fast in the pump body inside.
Preferably, from inhaling device includes that driving motor, vacuum pump head and transmission are vice, the driving motor accessible the transmission is vice to be ordered about the operation of vacuum pump head, the transmission is vice including setting up driving wheel on the driving motor output shaft, setting are in friction pulley on the vacuum pump head input shaft, the driving wheel with the friction pulley supports tightly each other.
Through above-mentioned technical scheme, during the use, driving motor drive action wheel rotates, and the action wheel drives the friction pulley and rotates, and the friction pulley drives the input shaft rotation of vacuum pump head for the operation of vacuum pump head is taken out the air in the pump body and is left.
Preferably, the friction wheel is connected with an input shaft of the vacuum pump head in a sliding manner, and the friction wheel can slide back and forth along the axial direction of the input shaft of the vacuum pump head;
the induction switch comprises a connecting frame, a swinging rod and a hydraulic component, the connecting frame is arranged on the vacuum pump head, the middle part of the swinging rod is hinged to the connecting frame, one end of the swinging rod is movably connected to the friction wheel, the other end of the swinging rod is movably connected to the response end of the hydraulic component, and the trigger end of the hydraulic component is communicated with the water outlet of the pump body;
when the water outlet of the pump body begins to drain, the hydraulic component drives the swinging rod to rotate around the connecting frame, so that the friction wheel is separated from the driving wheel.
Through above-mentioned technical scheme, when the delivery port of the pump body began the drainage, the water of pump body delivery port department can exert with the effort to the trigger end of hydraulic pressure part, and the response end of later hydraulic pressure part can promote the swinging arms, makes the swinging arms rotate around the link, and meanwhile, the swinging arms can drive the axial slip of friction pulley along vacuum pump head input shaft for the friction pulley separates with the action wheel, makes from inhaling the device and be in the closed condition.
Preferably, the first connecting pipe and the second connecting pipe are both provided with a water blocking mechanism, the water blocking mechanism comprises a water blocking pipe and a water blocking ball arranged in the water blocking pipe, and when the water blocking ball is in contact with water, the water blocking ball absorbs water to expand and separates the water blocking pipe.
Through the technical scheme, when the pump body is filled with water, the water can enter the first connecting pipe and the second connecting pipe. When water enters the water blocking pipe and submerges the water blocking ball, the water blocking ball absorbs water to expand and separates the water blocking pipe, so that the water is not easy to enter the self-sucking device.
Preferably, the water blocking ball is installed on an inner pipe wall of the water blocking pipe, a groove is formed in the inner pipe wall of the water blocking pipe, and the groove is opposite to the water blocking ball in the left-right direction.
Through above-mentioned technical scheme, the ball that blocks water is installed in the interior pipe wall department that blocks water the pipe, so the ball that blocks water is difficult for rocking in the pipe that blocks water for the process of bleeding is difficult for receiving the influence. The pipe wall in the water blocking pipe is provided with a groove which is opposite to the water blocking ball in the left-right direction. The water blocking pipe arranged in this way can be provided with a larger inner hole, air can smoothly pass through, and the air exhaust efficiency of the self-suction device is ensured.
Preferably, a placing groove is formed in the inner pipe wall of the water blocking pipe, the placing groove is opposite to the groove in the left-right direction, the water blocking ball is arranged in the placing groove, and one side of the water blocking ball protrudes out of a notch of the placing groove.
Through above-mentioned technical scheme, the standing groove can carry on spacingly to the ball that blocks water for it is difficult for the ball that blocks water to remove in the pipe that blocks water, makes from inhaling the difficult influence that receives of the process of bleeding of device.
Preferably, the groove is connected with a water-blocking plate in a sliding manner, and the water-blocking plate is provided with a push plate;
when the water blocking ball absorbs water and expands, the water blocking ball can push the push plate, so that the water blocking plate is abutted against the inner pipe wall on the opposite side in the water blocking pipe.
Through the technical scheme, when the water blocking ball absorbs water to expand, the water blocking ball can push the water blocking plate through the push plate, so that the water blocking plate slides out of the groove and abuts against the inner pipe wall of the water blocking pipe on the opposite side, the water blocking pipe is separated, and water is not easy to enter the self-suction device.
Preferably, the water blocking ball is rotatably connected in the placing groove, the rotating direction of the water blocking ball is the same as the sliding direction of the water blocking plate, a plurality of stirring plates are arranged on the surface of the water blocking ball and are uniformly distributed along the rotating direction of the water blocking ball, and a rotating groove for the stirring plates to enter is formed in the inner groove wall of the placing groove.
Through the technical scheme, when the self-suction device is used for pumping air out of the pump body, air flowing in the water blocking pipe can drive the water blocking ball to rotate through the poking plate. In the process that the water blocking ball absorbs water and expands, the poking plate gradually approaches the push plate. When the poking plate can be contacted with the push plate, the water blocking ball can push the push plate through the poking plate, so that the water blocking plate slides out of the groove to separate the water blocking pipe.
Preferably, the electric heating plate is arranged in the water blocking pipe and arranged along the circumferential direction of the water blocking pipe, the micro power supply is arranged in the water blocking pipe and electrically connected to the water blocking pipe, and the remote control switch is arranged between the electric heating plate and the micro power supply and used for controlling the electric heating plate and the micro power supply to be switched on or off.
Through the technical scheme, after the water pump is controlled to be turned off, the micro power supply can be controlled to be conducted with the electric heating plate through the remote control switch, and at the moment, the electric heating plate can convert electric energy into heat energy to heat the water resistance ball, so that water loss in the water resistance ball is reduced. Thus, when the water pump is used again, the self-sucking device can still be used for pumping air out of the pump body.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic structural view of a self-priming device;
fig. 3 is a schematic structural view of the water blocking mechanism.
Reference numerals: 1. a pump body; 2. a self-priming device; 21. a drive motor; 22. a vacuum pump head; 23. a transmission pair; 231. a driving wheel; 232. a friction wheel; 3. a one-way intake valve; 4. an inductive switch; 41. a connecting frame; 42. a swing lever; 43. a hydraulic component; 5. a first connecting pipe; 6. a second connecting pipe; 7. a water blocking mechanism; 71. a water blocking pipe; 72. a water-blocking ball; 8. a groove; 9. a placement groove; 10. a water-blocking plate; 11. a poking plate; 12. a rotating groove; 13. an electric hot plate; 14. a micro power supply; 15. a remote switch.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
A water pump with a self-priming device, as shown in fig. 1, includes a pump body 1 and a self-priming device 2. The self-suction device 2 is used for sucking air from the interior of the pump body 1, so that water can smoothly enter the pump body 1 when the pump body 1 is in normal use.
The pump body 1 is internally provided with a pump cavity, and an impeller is rotatably arranged in the pump cavity. One side of the pump body 1 is provided with a water inlet which is communicated with the pump cavity. The other side of the pump body 1 is provided with a water outlet which is communicated with the pump cavity. When the pump body 1 is used normally, the impeller rotates in the pump cavity, water enters the pump cavity from the water inlet, and the water in the pump cavity is discharged from the water outlet under the action of the impeller.
As shown in fig. 1 and 2, the self-priming device 2 includes a driving motor 21, a transmission pair 23, and a vacuum pump head 22. In use, the driving motor 21 drives the vacuum pump head 22 to operate through the transmission pair 23, so as to pump air out of the pump body 1.
The transmission pair 23 includes a driving wheel 231 and a friction wheel 232. The driving wheel 231 is coaxially arranged on the output shaft of the driving motor 21, and when in use, the driving wheel 231 can rotate around the axis thereof under the driving of the driving motor 21. The friction wheel 232 is coaxially sleeved on the input shaft of the vacuum pump head 22, and the friction wheel 232 can slide back and forth along the axial direction of the input shaft of the vacuum pump head 22 under the action of external force. When the friction wheel 232 and the driving wheel 231 are pressed against each other, the vacuum pump head 22 is in an open state. When the friction wheel 232 is disengaged from the drive wheel 231, the vacuum pump head 22 is in a closed state.
The air inlet of the vacuum pump head 22 is provided with a one-way air inlet valve 3, the air inlet of the one-way air inlet valve 3 is provided with a three-way joint, and the remaining two joints of the three-way joint are respectively provided with a first connecting pipe 5 and a second connecting pipe 6. The end part of the first connecting pipe 5, far away from the three-way joint, penetrates through the pump body 1 and is communicated with the water inlet of the pump body 1. The end part of the second connecting pipe 6 far away from the three-way joint penetrates through the pump body 1 and is communicated with the pump cavity of the pump body 1.
As shown in fig. 1, 2 and 3, each of the first connecting tube 5 and the second connecting tube 6 is provided with a water blocking mechanism 7, and when the water blocking mechanism 7 is used, the corresponding first connecting tube 5 or the corresponding second connecting tube 6 can be blocked, so that water is not easy to enter the self-priming device 2. The water blocking mechanism 7 includes a water blocking tube 71 and a water blocking ball 72. The electric heating plate 13 is arranged in the water blocking pipe 71, the electric heating plate 13 is arranged along the circumferential direction of the water blocking pipe 71, the micro power supply 14 is arranged in the water blocking pipe 71, the micro power supply 14 is electrically connected to the water blocking pipe 71, the remote control switch 15 is arranged between the electric heating plate 13 and the micro power supply 14, and the remote control switch 15 is used for controlling the electric heating plate 13 and the micro power supply 14 to be connected or disconnected. The inner pipe wall of the water blocking pipe 71 is symmetrically provided with a groove 8 and a placing groove 9, and the groove 8 is opposite to the placing groove 9 in the left and right direction. The inside of recess 8 slides and is connected with water-blocking plate 10, and water-blocking plate 10 is provided with the push pedal on the terminal surface towards standing groove 9. When the water blocking pipe is used, the water blocking plate 10 can be pushed by the push plate, so that the water blocking plate 10 is abutted against the inner pipe wall on the opposite side of the water blocking pipe 71. The inner groove wall of the placing groove 9 is provided with a rotating groove 12, and the rotating groove 12 is arranged along the circumferential direction of the placing groove 9. The water-blocking ball 72 is made of water-absorbent resin, which can absorb water to swell. The water blocking ball 72 is rotatably coupled inside the placing groove 9, and one side of the water blocking ball 72 protrudes from the notch of the placing groove 9. The side wall of the water-blocking ball 72 is provided with a plurality of poking plates 11, and the plurality of poking plates 11 are uniformly distributed along the circumferential direction of the water-blocking ball 72. When the water stop ball 72 rotates, the striking plate 11 can enter from one side of the rotating groove 12 and leave from the other side of the rotating groove 12.
As shown in fig. 1 and 2, the self-priming device 2 is provided with an inductive switch 4, the inductive switch 4 is communicated with an inner cavity of the pump body 1, and when the water outlet of the pump body 1 starts to discharge water, the inductive switch 4 can control the self-priming device 2 to be closed. The inductive switch 4 includes a link frame 41, a swing lever 42, and a hydraulic component 43. The connecting frame 41 is fixedly arranged on the side wall of the vacuum pump head 22 and is positioned between the friction wheel 232 and the hydraulic part 43. The middle part of the swing rod 42 is hinged to the connecting frame 41, one end of the swing rod 42 is movably connected to the friction wheel 232, and the other end of the swing rod 42 is movably connected to the response end of the hydraulic component 43. The triggering end of the hydraulic component 43 is communicated with the water outlet of the pump body 1, and when the water outlet of the pump body 1 starts to drain, the hydraulic component 43 drives the swinging rod 42 to rotate around the connecting frame 41, so that the friction wheel 232 is separated from the driving wheel 231.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (10)
1. A water pump with a self-priming device (2) is characterized in that: including the pump body (1) and from inhaling device (2), from inhaling device (2) and being used for taking out air in the pump body (1) inner chamber, from inhaling the suction opening department of device (2) and being provided with one-way admission valve (3), just the air inlet of one-way admission valve (3) with the inner chamber of the pump body (1) is linked together, from being provided with inductive switch (4) on inhaling device (2), inductive switch (4) with the inner chamber of the pump body (1) is linked together, works as when the delivery port of the pump body (1) begins the drainage, inductive switch (4) are steerable from inhaling device (2) and closing.
2. A water pump with a self-priming device (2) according to claim 1, characterized in that: still include connecting pipe one (5) and connecting pipe two (6), the one end of connecting pipe one (5) with the water inlet intercommunication of the pump body (1), the other end of connecting pipe one (5) with the air inlet of one-way admission valve (3) is linked together, the one end of connecting pipe two (6) with the pump chamber of the pump body (1) is linked together, the other end of connecting pipe two (6) with the air inlet of one-way admission valve (3) is linked together.
3. A water pump with a self-priming device (2) according to claim 1, characterized in that: self-priming device (2) are including driving motor (21), vacuum pump head (22) and transmission pair (23), driving motor (21) accessible the transmission is vice (23) to be driven vacuum pump head (22) operation, transmission pair (23) is including setting up driving wheel (231) on driving motor (21) output shaft, setting are in on the vacuum pump head (22) input shaft friction pulley (232), driving wheel (231) with friction pulley (232) support tightly each other.
4. A water pump with a self-priming device (2) according to claim 3, characterized in that: the friction wheel (232) is connected with an input shaft of the vacuum pump head (22) in a sliding mode, and the friction wheel (232) can slide back and forth along the axial direction of the input shaft of the vacuum pump head (22);
the inductive switch (4) comprises a connecting frame (41), a swinging rod (42) and a hydraulic component (43), the connecting frame (41) is arranged on the vacuum pump head (22), the middle part of the swinging rod (42) is hinged to the connecting frame (41), one end of the swinging rod (42) is movably connected to the friction wheel (232), the other end of the swinging rod (42) is movably connected to the response end of the hydraulic component (43), and the triggering end of the hydraulic component (43) is communicated with the water outlet of the pump body (1);
when the water outlet of the pump body (1) starts to drain, the hydraulic component (43) drives the swinging rod (42) to rotate around the connecting frame (41), so that the friction wheel (232) is separated from the driving wheel (231).
5. A water pump with a self-priming device (2) according to claim 2, characterized in that: all be provided with water blocking mechanism (7) in connecting pipe (5) and connecting pipe two (6), water blocking mechanism (7) are including hindering water pipe (71) and setting and are in hinder the inside ball (72) that blocks water of water pipe (71), work as when hinder ball (72) and water contact, hinder ball (72) water absorption expansion and will hinder water pipe (71) and cut off.
6. A water pump with a self-priming device (2) according to claim 5, characterized in that: the water blocking ball (72) is arranged on the inner pipe wall of the water blocking pipe (71), a groove (8) is formed in the inner pipe wall of the water blocking pipe (71), and the groove (8) is opposite to the water blocking ball (72) in the left-right direction.
7. A water pump with a self-priming device (2) according to claim 6, characterized in that: a placing groove (9) is formed in the inner wall of the water blocking pipe (71), the placing groove (9) is opposite to the groove (8) in the left-right direction, the water blocking ball (72) is arranged in the placing groove (9), and one side of the water blocking ball (72) protrudes out of the notch of the placing groove (9).
8. A water pump with a self-priming device (2) according to claim 7, characterized in that: a water-blocking plate (10) is connected in the groove (8) in a sliding manner, and a push plate is arranged on the water-blocking plate (10);
when the water-blocking ball (72) absorbs water and expands, the water-blocking ball (72) can push the push plate, so that the water-blocking plate (10) is pressed against the inner pipe wall of the water-blocking pipe (71) on the opposite side.
9. A water pump with a self-priming device (2) according to claim 8, characterized in that: the water blocking ball (72) is rotatably connected in the placing groove (9), the rotating direction of the water blocking ball (72) is the same as the sliding direction of the water blocking plate (10), a plurality of stirring plates (11) are arranged on the surface of the water blocking ball (72), the stirring plates (11) are uniformly distributed along the rotating direction of the water blocking ball (72), and a rotating groove (12) for the stirring plates (11) to enter is formed in the inner groove wall of the placing groove (9).
10. A water pump with a self-priming device (2) according to claim 5, characterized in that: the water-blocking pipe (71) is internally provided with an electric heating plate (13), the electric heating plate (13) is arranged along the circumferential direction of the water-blocking pipe (71), a micro power supply (14) is arranged in the water-blocking pipe (71), the micro power supply (14) is electrically connected to the water-blocking pipe (71), a remote control switch (15) is arranged between the electric heating plate (13) and the micro power supply (14), and the remote control switch (15) is used for controlling the electric heating plate (13) and the micro power supply (14) to be connected or disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110932131.3A CN113530838B (en) | 2021-08-13 | 2021-08-13 | Water pump with self-priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110932131.3A CN113530838B (en) | 2021-08-13 | 2021-08-13 | Water pump with self-priming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113530838A true CN113530838A (en) | 2021-10-22 |
| CN113530838B CN113530838B (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110932131.3A Active CN113530838B (en) | 2021-08-13 | 2021-08-13 | Water pump with self-priming device |
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| CN107939693A (en) * | 2017-11-14 | 2018-04-20 | 浙江群石工业设计有限公司 | A kind of automatic intelligent self priming pump |
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| CN212297808U (en) * | 2020-05-11 | 2021-01-05 | 金科伟业（中国）有限公司 | Water-blocking core and water leakage protection switch thereof |
| CN112594196A (en) * | 2020-12-09 | 2021-04-02 | 湖南精工特泵有限公司 | Vacuum self-suction device for pump |
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| CN113530838B (en) | 2023-07-14 |
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