CN110821897A - Self-dredging type water pump - Google Patents
Self-dredging type water pump Download PDFInfo
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- CN110821897A CN110821897A CN201911124768.9A CN201911124768A CN110821897A CN 110821897 A CN110821897 A CN 110821897A CN 201911124768 A CN201911124768 A CN 201911124768A CN 110821897 A CN110821897 A CN 110821897A
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- water pump
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- dredging
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a self-dredging type water pump, which belongs to the field of water pumps, and comprises two water pump bodies, wherein the two water pump bodies are fixedly combined through bolts, the front end and the rear end of each water pump body are fixedly connected with a water outlet pipe and a water inlet pipe, compared with the water pump in the prior art, the self-dredging type water pump has the advantages that the water pipes are additionally arranged in the water pump bodies, when the water pump is blocked, on one hand, a second path can be temporarily provided for the blocked water pump through the connection effect of the water pipes to meet the emergency use of the water pump, on the other hand, the blocked water pump can be cleaned in time through the external water pipes, compared with the operation of dredging after the water pump is disassembled in the prior art, the dredging step can be simplified, the blocked water pump is dredged without disassembling the water pump, and the maintenance operation of a worker on the water pump in time is convenient, the overall influence on the medium conveying efficiency due to water pump blockage is greatly reduced.
Description
Technical Field
The invention relates to the field of water pumps, in particular to a self-dredging type water pump.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.
Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps use the interaction of rotating vanes with water to transfer energy.
When the existing impeller pump is used in a using process, particularly in media containing more impurities such as sewage, a water pump is easy to block, and after the water pump is blocked, the water pump generally needs to be returned to a factory for maintenance and dredging, so that the conveying efficiency of the water pump to the media is influenced, and further the process of the whole process is influenced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-dredging type water pump, compared with the water pump in the prior art, the water pipe is additionally arranged in the self-dredging type water pump, when the water pump is blocked, on one hand, a second path can be temporarily provided for the blocked water pump through the connection effect of the water pipe to meet the emergency use of the water pump, on the other hand, the blocked water pump can be timely cleaned through an external water pipe, compared with the operation of dredging after the water pump needs to be disassembled in the prior art, the self-dredging type water pump can simplify the dredging step, the blocked water pump is dredged under the state that the water pump is not disassembled, the timely maintenance operation of the water pump by workers is convenient, and the overall influence of the water pump blockage on the medium conveying efficiency is greatly reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-dredging type water pump comprises two water pump bodies, wherein the two water pump bodies are fixed through bolt combination, a water outlet pipe and a water inlet pipe are fixedly connected to the front end and the rear end of each water pump body, filter screens are fixedly connected to the inside of each water outlet pipe and the inside of each water inlet pipe, a bearing is chiseled in each water pump body, a transmission rod is rotationally connected to the inside of each water pump body, a motor is electrically connected to the transmission rod, an impeller is fixedly connected to the outer end of the transmission rod, the bearing is matched with the transmission rod, spare inlet and outlet pipes are fixedly connected to the left end and the right end of each water pump body, pipe grooves are chiseled in the spare inlet and outlet pipes, a water pipe plug is connected to the left end of each spare inlet and outlet pipe through threads, an external pipe is slidably connected to the right end of each spare inlet, the fastening ring is in threaded connection with the standby inlet and outlet pipe, the lower end of the pump body of the water pump is fixedly connected with a dredging pipe, compared with the water pump in the prior art, the invention has the advantages that the water pipe is additionally arranged in the water pump, when the water pump is blocked, on one hand, a second path can be temporarily provided for the blocked water pump through the connection effect of the water pipe to meet the emergency use of the water pump, on the other hand, the water pump can be externally connected with the water pipe, compared with the prior art that the blocked water pump is cleaned in time, the invention can simplify the dredging step, and under the condition of not disassembling the water pump, dredge the water pump after blocking, the staff of being convenient for is to the timely maintenance operation of water pump, and greatly reduced is because of the water pump blocks the whole influence to medium conveying efficiency.
Further, the sealing plug is cut near the one end of dredging the pipe and is had the thread groove, the thread groove matches each other with dredging the pipe, the draw-in groove has all been cut at both ends about the sealing plug, dredge the equal fixedly connected with hasp in both ends about the pipe.
Furthermore, the both ends of the lock catch are provided with sliding grooves, sliding blocks are connected in the sliding grooves in a sliding mode, compression springs are fixedly connected to the inner end walls of the sliding grooves, and the compression springs are mutually fixed with the sliding blocks.
Furthermore, a positioning fixture block is rotatably connected between the two sliding blocks, one end of the positioning fixture block close to the sealing plug is matched with the clamping groove,
furthermore, the inner end wall of the clamping groove is coated with an anti-corrosion wear-resistant coating, the anti-corrosion wear-resistant coating contains ceramic particles, and the ratio of the maximum diameter of the ceramic particles to the thickness of the anti-corrosion wear-resistant coating is in the range: 0.8-2.
Further, the location fixture block includes lotus root formula fixture block and lotus root formula connecting band, both ends are fixed each other with location fixture block and lotus root formula fixture block respectively about the lotus root formula connecting band, the thread groove has all been dug with lotus root formula fixture block outer end wall to the inner end wall of location fixture block, location fixture block and lotus root formula fixture block match each other respectively, lotus root formula connecting band is elastic plastic material.
Further, the self-dredging method of the water pump body comprises the following operation steps:
firstly, stopping a water pump body by a worker, respectively plugging a water outlet pipe and a water inlet pipe, and simultaneously opening a dredging pipe;
secondly, a worker unscrews the water pipe plug at the outer end of the standby inlet and outlet pipe, inserts the external pipe into the standby inlet and outlet pipe, and then rotationally fixes the fastening ring at the outer end of the rubber sealing pad;
injecting high-pressure clean water into the standby inlet and outlet pipe by a worker, washing the impurities at the outer end of the impeller, and enabling the washed impurities to flow out of the dredging pipe;
step four, the staff closes the dredging pipe, opens the water outlet pipe and the water inlet pipe respectively, adjusts the rotation direction of the motor, and drives the impeller to adjust the rotation direction;
and fifthly, injecting high-pressure clear water into the cavity through the standby inlet and outlet pipe again by the staff, and further cleaning impurities blocking the filter screen by the water outlet pipe and the water inlet pipe.
Through the steps, the blocked impurities in the water pump body can be cleaned under the condition that the water pump body is not detached, a standby emergency channel can be provided for the water pump body under the condition that the water outlet of the water pump body is blocked, the relative normal operation of the water pump body can be kept to a certain extent, and the overall influence on the process caused by the blockage of the water pump body is further reduced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) compared with the water pump in the prior art, the water pipe is additionally arranged in the water pump, when the water pump is blocked, on one hand, a second path is temporarily provided for the blocked water pump through the connection effect of the water pipe to meet the emergency use of the water pump, on the other hand, the blocked water pump can be cleaned in time through the external water pipe, and compared with the operation of dredging after the water pump needs to be disassembled in the prior art, the water pump dredging device can simplify the dredging step, dredge the blocked water pump in the state that the water pump is not disassembled, facilitate the timely maintenance operation of a worker on the water pump, and greatly reduce the overall influence on the medium conveying efficiency due to the blocking of the water pump.
(2) The sealing plug is near dredging the one end of siphunculus and is dug the thread groove, and the thread groove matches each other with dredging the siphunculus, and both ends are all dug the draw-in groove about the sealing plug, and the equal fixedly connected with hasp in both ends about dredging the siphunculus.
(3) The spout has been dug at the hasp both ends, and sliding connection has the slider in the spout, and end wall fixedly connected with compression spring in the spout, compression spring and slider reciprocal anchorage can prescribe a limit to the position of slider under compression spring's effect, can be fixed more firmly with the location fixture block in the draw-in groove simultaneously.
(4) And a positioning fixture block is rotatably connected between the two sliding blocks, and one end of the positioning fixture block, which is close to the sealing plug, is matched with the clamping groove.
(5) The end wall scribbles in the draw-in groove and is equipped with anticorrosive wear-resistant coating, contains ceramic particle in the anticorrosive wear-resistant coating, and the maximum diameter of ceramic particle and anticorrosive wear-resistant coating's thickness ratio scope is: and 0.8-2, coating an anti-corrosion and wear-resistant coating in the clamping groove to reduce the abrasion caused by the mutual back-and-forth contact between the positioning clamping block and the clamping groove.
(6) The location fixture block includes lotus root formula fixture block and lotus root formula connecting band, both ends are fixed each other with location fixture block and lotus root formula fixture block respectively about the lotus root formula connecting band, the thread groove has all been dug with outer end wall of lotus root formula fixture block to the inner wall of location fixture block, location fixture block and lotus root formula fixture block match each other respectively, the lotus root formula connecting band is the elasticity plastic material, effect through the lotus root formula connecting band, can be with location fixture block and lotus root formula fixture block interconnect on the one hand, on the other hand location fixture block can realize two kinds of using-way.
(7) According to the steps of the self-dredging method of the water pump body, the self-dredging method can clean up the blocked impurities in the water pump body under the condition that the water pump body is not detached, can provide a standby emergency channel for the water pump body under the condition that the water outlet of the water pump body is blocked, can keep the relatively normal operation of the water pump body to a certain extent, and further reduces the overall influence on the process caused by the blockage of the water pump body.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the water pump body after being blocked according to the present invention;
FIG. 3 is a schematic top sectional view of a pump body portion of the water pump of the present invention;
FIG. 4 is a schematic structural diagram illustrating a process of installing a spare inlet/outlet pipe and an external pipe according to the present invention;
FIG. 5 is a schematic structural view of the spare inlet/outlet pipe and the external pipe of the present invention after the installation;
FIG. 6 is a schematic cross-sectional view of a portion of the pull through of the present invention;
FIG. 7 is a schematic view of the internal structure of the locking portion of the present invention;
FIG. 8 is a schematic view of an internal structure of the positioning clip of the present invention;
fig. 9 is a flow diagram of the internal media after occlusion according to the present invention.
The reference numbers in the figures illustrate:
1 water pump body, 101 transfer line, 102 impeller, 103 outlet pipe, 104 inlet tube, 2 bolts, 3 cavities, 301 bearing, 4 spare business turn over pipes, 401 pipe groove, 402 glue sealing pad, 403 water pipe stopper, 5 external pipes, 501 tighrening ring, 502 waterproof strip, 6 dredging pipe, 601 sealing plug, 602 thread groove, 603 draw-in groove, 7 hasp, 701 spout, 702 slider, 703 compression spring, 704 positioning fixture block, 705 lotus root type fixture block, 706 lotus root type connecting band.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
a self-dredging type water pump comprises two water pump bodies 1, the two water pump bodies 1 are combined and fixed through bolts 2, please refer to fig. 3, a water outlet pipe 103 and a water inlet pipe 104 are fixedly connected to the front end and the rear end of each water pump body 1, filter screens are fixedly connected to the insides of the water outlet pipe 103 and the water inlet pipe 104, a bearing 301 is arranged in each water pump body 1 in a chiseled mode, a transmission rod 101 is rotatably connected to the inside of each water pump body 1, the transmission rod 101 is electrically connected with a motor, an impeller 102 is fixedly connected to the outer end of the transmission rod 101, the bearing 301 is matched with the transmission rod 101, spare inlet and outlet pipes 4 are fixedly connected to the left end and the right end of each water pump body 1, a pipe groove 401 is arranged in each spare inlet and outlet pipe 4, a water pipe plug 403 is in threaded connection with the left end of each, the outer end of the external pipe 5 is rotatably connected with a fastening ring 501, the fastening ring 501 is in threaded connection with the standby access pipe 4, the lower end of the water pump body 1 is fixedly connected with an dredging pipe 6, the dredging pipe 6 is communicated with the cavity 3, the outer end of the dredging pipe 6 is provided with a sealing plug 601, please refer to fig. 6, one end, close to the dredging pipe 6, of the sealing plug 601 is provided with a thread groove 602, the thread groove 602 is mutually matched with the dredging pipe 6, the upper end and the lower end of the sealing plug 601 are both provided with clamping grooves 603, and the upper end and the lower end of the dredging.
Referring to fig. 7, sliding grooves 701 are chiseled at two ends of a lock catch 7, sliding blocks 702 are slidably connected in the sliding grooves 701, compression springs 703 are fixedly connected to end walls in the sliding grooves 701, the compression springs 703 and the sliding blocks 702 are fixed to each other, positions of the sliding blocks 702 can be limited under the action of the compression springs 703, and meanwhile, the positioning fixture blocks 704 can be more firmly fixed in the clamping grooves 603, the positioning fixture blocks 704 are rotatably connected between the two sliding blocks 702, one ends of the positioning fixture blocks 704, which are close to the sealing plugs 601, are matched with the clamping grooves 603, the end walls in the clamping grooves 603 are coated with anti-corrosion wear-resistant coatings, the anti-corrosion wear-resistant coatings contain ceramic particles, and the ratio of the maximum diameter of: 0.8, the anti-corrosion wear-resistant coating is coated in the clamping groove 603, so that the abrasion caused by the fact that the positioning clamping block 704 and the clamping groove 603 are in back-and-forth contact with each other is reduced.
Firstly, a worker opens the water pipe plug 403 at the outer end of the standby inlet and outlet pipe 4, then the water pump body 1 is opened and works, if the medium acted on the water pump body 1 does not flow out of the standby inlet and outlet pipe 4, the situation that the impeller 102 in the water pump body 1 is blocked or the water inlet pipe 104 is blocked is described, if the medium acted on the water pump body 1 flows out of the standby inlet and outlet pipe 4, the situation that the water outlet pipe 103 in the water pump body 1 is blocked is described, and the worker can adopt a corresponding self-dredging mode for the water pump body 1 according to the preliminary judgment of the blocking situation of the water pump body 1.
The self-dredging method of the water pump body 1 comprises the following operation steps:
firstly, stopping the water pump body 1 by a worker, respectively plugging a water outlet pipe 103 and a water inlet pipe 104, and simultaneously opening a dredging pipe 6;
secondly, the worker unscrews the water pipe plug 403 at the outer end of the standby access pipe 4, connects the external connection pipe 5 into the standby access pipe 4, and then rotationally fixes the fastening ring 501 at the outer end of the rubber sealing pad 402;
thirdly, injecting high-pressure clean water into the standby inlet and outlet pipe 4 by a worker, washing the impurities at the outer end of the impeller 102, and enabling the washed impurities to flow out of the dredging pipe 6;
step four, the staff closes the dredging pipe 6, opens the water outlet pipe 103 and the water inlet pipe 104 respectively, adjusts the rotation direction of the motor, and drives the impeller 102 to adjust the rotation direction;
and step five, injecting high-pressure clear water into the cavity 3 through the standby inlet and outlet pipe 4 again by the staff, and further cleaning impurities blocking the filter screen by the water outlet pipe 103 and the water inlet pipe 104.
Through the steps, the invention can clean up the impurities blocked in the water pump body 1 under the condition that the water pump body 1 is not detached, and can provide a standby emergency channel for the water pump body 1 under the condition that the water outlet of the water pump body 1 is blocked, so that the relative normal operation of the water pump body 1 can be kept to a certain extent, and the influence on the whole process caused by the blockage of the water pump body 1 is further reduced.
Example 2: referring to fig. 8, the positioning fixture 704 includes a lotus-root type fixture 705 and a lotus-root type connection band 706, the left and right ends of the lotus-root type connection band 706 are respectively fixed to the positioning fixture 704 and the lotus-root type fixture 705, the inner end wall of the positioning fixture 704 and the outer end wall of the lotus-root type fixture 705 are both provided with screw grooves, the positioning fixture 704 and the lotus-root type fixture 705 are respectively matched with each other, the lotus-root type connection band 706 is made of elastic plastic material, through the action of the lotus-root type connection band 706, on one hand, the positioning fixture 704 and the lotus-root type fixture 705 can be connected with each other, on the other hand, the positioning fixture 704 can be used in two ways, when a worker needs to clamp the positioning fixture 704 and the clamp groove 603 with each other, the worker first unscrews and separates the positioning fixture 704 from the lotus-root type fixture, connects the fixture 706 with the lotus-root type connection band 706, then stretches the, again with lotus root formula fixture block 705 and location fixture block 704 threaded connection fixed, this embodiment compares in embodiment 1, can reduce this structure of spring, and the water pump is in moist state for a long time, uses the spring structure if the improper easy emergence corrosion of protection, and this embodiment adopts the lotus root formula connecting band 706 of formula of accomodating, can fasten sealing plug 601 on dredging pipe 6 through location fixture block 704 on the one hand, and on the other hand has avoided the influence to sealing plug 601 seal degree because of the metal corrosion among embodiment 1.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a from mediation formula water pump, includes two water pump bodies (1), two it is fixed through bolt (2) combination between the water pump body (1), the equal fixedly connected with outlet pipe (103) in both ends and inlet tube (104) around the water pump body (1), equal fixedly connected with filter screen, its characterized in that in outlet pipe (103) and inlet tube (104): the water pump is characterized in that a bearing (301) is arranged in the water pump body (1), a transmission rod (101) is connected in the water pump body (1) in a rotating mode, the transmission rod (101) is electrically connected with a motor, an impeller (102) is fixedly connected to the outer end of the transmission rod (101), the bearing (301) is matched with the transmission rod (101), spare inlet and outlet pipes (4) are fixedly connected to the left end and the right end of the water pump body (1), a pipe groove (401) is formed in the spare inlet and outlet pipes (4), a water pipe plug (403) is connected to the left end of the spare inlet and outlet pipe (4), an outer pipe (5) is connected to the right end of the spare inlet and outlet pipe (4) in a sliding mode, a waterproof strip (502) is fixed to the outer end wall of the outer pipe (5), the waterproof strip (502) is matched with the pipe groove (, the utility model discloses a pump, including the water pump body, tighrening ring (501) and reserve discrepancy pipe (4) threaded connection, the water pump body (1) lower extreme fixedly connected with dredge pipe (6), dredge pipe (6) and cavity (3) intercommunication each other, dredge pipe (6) outer end is equipped with sealing plug (601).
2. The self-unblocking water pump according to claim 1, wherein: the one end that sealing plug (601) is close to dredging pipe (6) is opened chisel and is had thread groove (602), thread groove (602) and dredging pipe (6) match each other, draw-in groove (603) have all been opened at both ends about sealing plug (601), both ends equal fixedly connected with hasp (7) about dredging pipe (6).
3. The self-unblocking water pump according to claim 2, wherein: the utility model discloses a hasp (7) is fixed on the slide block (702), the spout (701) is dug at hasp (7) both ends, sliding connection has slider (702) in spout (701), end wall fixedly connected with compression spring (703) in spout (701), compression spring (703) and slider (702) are fixed each other.
4. The self-unblocking water pump according to claim 3, wherein: a positioning fixture block (704) is rotatably connected between the two sliding blocks (702), and one end of the positioning fixture block (704) close to the sealing plug (601) is matched with the clamping groove (603).
5. The self-unblocking water pump according to claim 4, wherein: the inner end wall of the clamping groove (603) is coated with an anticorrosive wear-resistant coating, and the anticorrosive wear-resistant coating contains ceramic particles.
6. The self-unblocking water pump according to claim 5, wherein: the ratio range of the maximum diameter of the ceramic particles to the thickness of the anti-corrosion wear-resistant coating is as follows: 0.8-2.
7. The self-unblocking water pump according to claim 4, wherein: the positioning fixture block (704) comprises a lotus root type fixture block (705) and a lotus root type connecting band (706), and the left end and the right end of the lotus root type connecting band (706) are fixed with the positioning fixture block (704) and the lotus root type fixture block (705) respectively.
8. The self-unclogging water pump of claim 7, wherein: the inner end wall of the positioning fixture block (704) and the outer end wall of the lotus-root-type fixture block (705) are both provided with threaded grooves, and the positioning fixture block (704) and the lotus-root-type fixture block (705) are matched with each other respectively.
9. The self-unclogging water pump of claim 7, wherein: the lotus root type connecting belt (706) is made of elastic plastic materials.
10. The self-unblocking water pump according to claim 1, wherein: the self-dredging method of the water pump body (1) comprises the following operation steps:
firstly, stopping the water pump body (1) by a worker, respectively plugging a water outlet pipe (103) and a water inlet pipe (104), and simultaneously opening a dredging pipe (6);
secondly, a worker unscrews the water pipe plug (403) at the outer end of the standby access pipe (4), inserts the external connection pipe (5) into the standby access pipe (4), and then rotationally fixes the fastening ring (501) at the outer end of the rubber sealing pad (402);
thirdly, injecting high-pressure clean water into the standby inlet and outlet pipe (4) by a worker, washing impurities at the outer end of the impeller (102), and enabling the washed impurities to flow out of the dredging pipe (6);
fourthly, the dredging pipe (6) is closed by the staff, the water outlet pipe (103) and the water inlet pipe (104) are opened respectively, the rotation direction of the motor is adjusted, and meanwhile, the impeller (102) is driven to adjust the rotation direction of the motor;
and fifthly, injecting high-pressure clear water into the cavity (3) through the standby inlet and outlet pipe (4) again by the staff, and further cleaning the impurities blocking the filter screen by the water outlet pipe (103) and the water inlet pipe (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124768.9A CN110821897A (en) | 2019-11-18 | 2019-11-18 | Self-dredging type water pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124768.9A CN110821897A (en) | 2019-11-18 | 2019-11-18 | Self-dredging type water pump |
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| CN110821897A true CN110821897A (en) | 2020-02-21 |
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| CN201911124768.9A Pending CN110821897A (en) | 2019-11-18 | 2019-11-18 | Self-dredging type water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365247A (en) * | 2020-03-26 | 2020-07-03 | 河北澳金机械设备有限公司 | Slurry pump with cleaning device and use method thereof |
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| CN109386482A (en) * | 2017-08-03 | 2019-02-26 | 宁波方太厨具有限公司 | Automatically cleaning blower and application have the range hood of the blower and the self cleaning method of the blower |
| CN209430500U (en) * | 2018-12-29 | 2019-09-24 | 中环水务(成都)有限公司 | Water pump automatic flushing device |
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| CN111365247A (en) * | 2020-03-26 | 2020-07-03 | 河北澳金机械设备有限公司 | Slurry pump with cleaning device and use method thereof |
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Application publication date: 20200221 |