CN113107909A - Anti-blocking centrifugal pump with impeller protecting function and method - Google Patents
Anti-blocking centrifugal pump with impeller protecting function and method Download PDFInfo
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- CN113107909A CN113107909A CN202110547757.2A CN202110547757A CN113107909A CN 113107909 A CN113107909 A CN 113107909A CN 202110547757 A CN202110547757 A CN 202110547757A CN 113107909 A CN113107909 A CN 113107909A
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- fixedly connected
- centrifugal pump
- fixing plate
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/60—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 belongs to the technical field of centrifugal pumps, in particular to an anti-clogging centrifugal pump with an impeller protecting function and a method thereof, aiming at the problem that the impeller of the centrifugal pump is damaged due to the impact of impurities, the invention provides a scheme that the anti-clogging centrifugal pump comprises a centrifugal pump, wherein the input end of the centrifugal pump is fixedly connected with a first conduit, the left side of the first conduit is fixedly communicated with a cleaning box, the left side of the cleaning box is fixedly communicated with a second conduit, and the centrifugal pump, the first conduit, the cleaning box, the second conduit, a filter screen, a closing mechanism, a power box, a transmission mechanism, a shaking mechanism, an inclined ring, a third sealing ring, a bearing, a fixed rod, a second fixed block and a tension spring are matched for use, so that the problems that a large amount of impurities are easy to be sucked in the use process of the existing centrifugal pump, and the impeller is damaged and, thereby causing a problem that the centrifugal pump cannot be used.
Description
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to an anti-blocking centrifugal pump with an impeller protecting function and a method.
Background
The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates, the centrifugal pump works by utilizing the rotation of the impeller to enable water to generate centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.
The centrifugal pump needs to be used in the water flow conveying, but the existing centrifugal pump easily inhales a large amount of impurities in the use process, and when the impurities impact the surface of the impeller, the impeller is damaged, the conveying of water flow is influenced, so that the problem that the centrifugal pump cannot be used is caused, and the market demand cannot be met.
Disclosure of Invention
The invention aims to solve the defect that impurities impact a centrifugal machine impeller to cause damage in the prior art, and provides an anti-blocking centrifugal pump with an impeller protecting function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a blockage-preventing centrifugal pump with an impeller protecting function comprises a centrifugal pump, wherein an input end of the centrifugal pump is fixedly connected with a first guide pipe, a cleaning box is fixedly communicated with the left side of the first guide pipe, a second guide pipe is fixedly communicated with the left side of the cleaning box, a filter screen is fixedly connected with the left side of the interior of the cleaning box, a closing mechanism is arranged on the rear side of the second guide pipe, the surface of the filter screen is matched with the closing mechanism for use, the front side of the closing mechanism is matched with the rear side of the second guide pipe for use, the front side of the cleaning box is fixedly connected with a power box, a transmission mechanism is arranged in the power box, the rear side of the transmission mechanism penetrates through the power box and extends to the interior of the cleaning box, the right side of the transmission mechanism penetrates through the power box and extends to the surface of the power box, a shaking mechanism is movably connected with the interior of the cleaning box, and the surface of the shaking, the front side of the shaking mechanism is fixedly connected with the rear side of the transmission mechanism.
Preferably, the closing mechanism includes the closing plate, the closing plate is located the inside rear side of second pipe, the first sealing washer of fixed surface connection of closing plate, the inside swing joint of the surface of first sealing washer and second pipe, the surface swing joint of hinge and second pipe is passed through to the bottom of closing plate rear side, the first fixed block of top fixedly connected with of closing plate rear side, U type opening has been seted up on the first fixed block, U type opening in-connection has the bolt, the front side of bolt and the fixed surface connection of second pipe, the surface swing joint of bolt has the nut, the surface and the first fixed block cooperation of nut are used.
Preferably, drive mechanism includes the motor, the output fixedly connected with activity post of motor, the left side of activity post runs through the headstock and extends to the inside of headstock, the fixed surface of activity post is connected with the cam, the rear side of cam is provided with first fixed plate, the rear side fixedly connected with second fixed plate of first fixed plate, the rear side of second fixed plate runs through the headstock and extends to the inside of cleaning box, the rear side of second fixed plate and the front side fixed connection who rocks the mechanism.
Preferably, the rocking mechanism includes the third fixed plate, the third fixed plate is located the inside of clean box, the equal fixedly connected with fourth fixed plate of front side and rear side of third fixed plate, the surface of fourth fixed plate and the inner wall swing joint of clean box, the front side of fourth fixed plate and the rear side fixed connection of second fixed plate, the opening has been seted up to the inside of third fixed plate, the front side fixedly connected with swash plate of opening inner wall, the surface cover of fourth fixed plate is equipped with the second sealing washer.
Preferably, the front side of the first sealing ring is provided with a bevel ring, and the surface of the bevel ring is fixedly connected with the inside of the second conduit.
Preferably, the surface cover of activity post is equipped with the third sealing washer, the inside fixed connection of the surface of third sealing washer and headstock, the left side fixedly connected with bearing on activity post surface, the left side fixed connection of the left side of bearing and headstock inner wall.
Preferably, the front side of first fixed plate uses with the rear side cooperation of cam, the inside left top of first fixed plate and bottom all are provided with the dead lever, the rear side of dead lever run through first fixed plate and with the inner wall fixed connection of headstock, the front side fixedly connected with second fixed block of dead lever, the left side of second fixed block and the left side fixed connection of headstock inner wall, the front side cover on fixed rod surface is equipped with the extension spring, the front side of extension spring and the rear side fixed connection of second fixed block, the rear side of extension spring and the front side fixed connection of first fixed plate.
Preferably, the number of the second sealing rings is three, the second sealing rings are uniformly distributed on the surface of the fourth fixing plate, and the surface of the second sealing ring is in close contact with the inner wall of the cleaning tank.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the centrifugal pump, the first guide pipe, the cleaning box, the second guide pipe, the filter screen, the closing mechanism, the power box, the transmission mechanism, the shaking mechanism, the inclined ring, the third sealing ring, the bearing, the fixing rod, the second fixing block and the tension spring are arranged in a matched mode, and the problem that the existing centrifugal pump is prone to sucking a large amount of impurities in the use process, when the impurities impact the surface of an impeller, the impeller is damaged, conveying of water flow is affected, and therefore the centrifugal pump cannot be used is solved.
2. According to the invention, by arranging the closing mechanism, the nut can be separated from the surface of the first fixing block by screwing the nut, the closing plate is rotated, the closing plate drives the first fixing block to move, and when the first fixing block and the closing plate are separated from the rear side of the second guide pipe, a baffle user cleans impurities filtered by the filter screen.
3. According to the invention, the transmission mechanism is arranged, the movable column can be driven to rotate through the rotation of the motor, the movable column drives the cam to rotate, the cam pushes the first fixing plate to move backwards, the first fixing plate drives the second fixing plate to move backwards, and the second fixing plate drives the fourth fixing plate and the third fixing plate to move backwards, so that the power source output of the whole structure is realized, and the swinging mechanism is driven to move.
4. According to the invention, the shaking mechanism is arranged, the fourth fixing plate and the third fixing plate can be driven to move backwards through the second fixing plate, the filter screen is pushed by squeezing water through shaking the inner space of the cleaning box through the fourth fixing plate, so that the front section of the filter screen is prevented from being blocked, the sloping plate can be used as water passing through the filter screen, the water squeezes the sloping plate, the sloping plate drives the third fixing plate to move forwards, and the third fixing plate and the fourth fixing plate are moved.
5. According to the invention, by arranging the inclined ring, the sealing performance between the closing plate and the first and second guide pipes can be effectively improved, so that the inclined ring is contacted with the first sealing ring from the inside, and the internal water pressure is prevented from leaking out through a gap between the first sealing ring and the second guide pipe.
6. According to the invention, through the arrangement of the third sealing ring and the bearing, the friction between the movable column and the power box can be effectively reduced, impurities are prevented from entering the power box through a gap between the movable column and the power box, the bearing can increase the stability between the movable columns, the shaking of the movable columns is reduced, and the service life of the movable columns is prolonged.
7. According to the invention, by arranging the fixing rod, the second fixing block and the tension spring, the first fixing plate can slide on the surface of the fixing rod, so that the purpose of limiting the first fixing plate is realized, the shaking of the first fixing plate is reduced, the tension spring can facilitate the resetting of the first fixing plate, and the first fixing plate is prevented from being blocked.
8. According to the invention, by arranging the second sealing rings, the multi-section sealing effect can be realized by arranging the plurality of second sealing rings on the surface of the fourth fixing plate, and the problem that the gap between the fourth fixing plate and the inner wall of the cleaning box leaks is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an anti-clogging centrifugal pump with a function of protecting an impeller according to the present invention;
FIG. 2 is a top cross-sectional view of a block-resistant centrifugal pump cleaning tank with impeller protection provided in accordance with the present invention;
FIG. 3 is a perspective view of an anti-clogging centrifugal pump sloshing mechanism with impeller protecting function according to the present invention;
FIG. 4 is a schematic structural diagram of an anti-clogging centrifugal pump transmission mechanism with the function of protecting an impeller, which is provided by the invention;
FIG. 5 is a schematic view of the cam of the anti-clogging centrifugal pump with impeller protecting function and the first fixing plate according to the present invention;
FIG. 6 is a left side cross-sectional view of an anti-clogging centrifugal pump closure mechanism with impeller protection provided in accordance with the present invention;
FIG. 7 is an enlarged view of a portion of the anti-clogging centrifugal pump with impeller protecting function in FIG. 2;
fig. 8 is a partial enlarged view of the anti-clogging centrifugal pump with the function of protecting the impeller in fig. 2 at B.
In the figure: 1. a centrifugal pump; 2. a first conduit; 3. a cleaning tank; 4. a second conduit; 5. a filter screen; 6. a closing mechanism; 601. a closing plate; 602. a first seal ring; 603. a first fixed block; 604. a bolt; 605. a nut; 7. a power box; 8. a transmission mechanism; 801. a motor; 802. a movable post; 803. a cam; 804. a first fixing plate; 805. a second fixing plate; 9. a shaking mechanism; 901. a third fixing plate; 902. a fourth fixing plate; 903. an opening; 904. a sloping plate; 905. a second seal ring; 10. an inclined ring; 11. a third seal ring; 12. a bearing; 13. fixing the rod; 14. a second fixed block; 15. a tension spring.
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.
Example one
Referring to fig. 1-8, an anti-clogging centrifugal pump with a function of protecting an impeller comprises a centrifugal pump 1, a first conduit 2 is fixedly connected to an input end of the centrifugal pump 1, a cleaning box 3 is fixedly communicated with a left side of the first conduit 2, a second conduit 4 is fixedly communicated with a left side of the cleaning box 3, a filter screen 5 is fixedly connected to a left side inside the cleaning box 3, a closing mechanism 6 is arranged at a rear side of the second conduit 4, a surface of the filter screen 5 is matched with the closing mechanism 6, a front side of the closing mechanism 6 is matched with a rear side of the second conduit 4, a power box 7 is fixedly connected to a front side of the cleaning box 3, a transmission mechanism 8 is arranged inside the power box 7, a rear side of the transmission mechanism 8 penetrates through the power box 7 and extends into the cleaning box 3, a right side of the transmission mechanism 8 penetrates through the power box 7 and extends to a surface of the power box 7, a shaking mechanism 9 is movably connected to, the surface of the shaking mechanism 9 is movably connected with the inner wall of the cleaning box 3, and the front side of the shaking mechanism 9 is fixedly connected with the rear side of the transmission mechanism 8.
According to the invention, the closing mechanism 6 comprises a closing plate 601, the closing plate 601 is positioned at the rear side inside the second conduit 4, a first sealing ring 602 is fixedly connected to the surface of the closing plate 601, the surface of the first sealing ring 602 is movably connected with the inside of the second conduit 4, the bottom of the rear side of the closing plate 601 is movably connected with the surface of the second conduit 4 through a hinge, a first fixing block 603 is fixedly connected to the top of the rear side of the closing plate 601, a U-shaped opening is formed in the first fixing block 603, a bolt 604 is connected in the U-shaped opening, the front side of the bolt 604 is fixedly connected with the surface of the second conduit 4, a nut 605 is movably connected to the surface of the bolt 604, and the surface of the nut 605 is matched with the first fixing block 603.
In the invention, the transmission mechanism 8 comprises a motor 801, an output end of the motor 801 is fixedly connected with a movable column 802, the left side of the movable column 802 penetrates through the power box 7 and extends into the power box 7, the surface of the movable column 802 is fixedly connected with a cam 803, the rear side of the cam 803 is provided with a first fixing plate 804, the rear side of the first fixing plate 804 is fixedly connected with a second fixing plate 805, the rear side of the second fixing plate 805 penetrates through the power box 7 and extends into the cleaning box 3, and the rear side of the second fixing plate 805 is fixedly connected with the front side of the shaking mechanism 9.
In the invention, the shaking mechanism 9 comprises a third fixing plate 901, the third fixing plate 901 is positioned inside the cleaning box 3, the front side and the rear side of the third fixing plate 901 are both fixedly connected with a fourth fixing plate 902, the surface of the fourth fixing plate 902 is movably connected with the inner wall of the cleaning box 3, the front side of the front side fourth fixing plate 902 is fixedly connected with the rear side of a second fixing plate 805, an opening 903 is formed inside the third fixing plate 901, an inclined plate 904 is fixedly connected with the front side of the inner wall of the opening 903, and a second sealing ring 905 is sleeved on the surface of the fourth fixing plate 902.
In the present invention, the inclined ring 10 is disposed at the front side of the first sealing ring 602, and the surface of the inclined ring 10 is fixedly connected with the inside of the second guide pipe 4.
In the invention, the surface of the movable column 802 is sleeved with a third sealing ring 11, the surface of the third sealing ring 11 is fixedly connected with the inside of the power box 7, the left side of the surface of the movable column 802 is fixedly connected with a bearing 12, and the left side of the bearing 12 is fixedly connected with the left side of the inner wall of the power box 7.
In the invention, the front side of a first fixing plate 804 is matched with the rear side of a cam 803 for use, the top and the bottom of the left side inside the first fixing plate 804 are both provided with a fixing rod 13, the rear side of the fixing rod 13 penetrates through the first fixing plate 804 and is fixedly connected with the inner wall of a power box 7, the front side of the fixing rod 13 is fixedly connected with a second fixing block 14, the left side of the second fixing block 14 is fixedly connected with the left side of the inner wall of the power box 7, the front side of the surface of the fixing rod 13 is sleeved with a tension spring 15, the front side of the tension spring 15 is fixedly connected with the rear side of the second fixing block 14, and the rear side of the tension spring 15 is.
In the present invention, the number of the second sealing rings 905 is three, and the second sealing rings are uniformly distributed on the surface of the fourth fixing plate 902, and the surface of the second sealing ring 905 is in close contact with the inner wall of the cleaning tank 3.
The working principle is as follows: when a user needs to use the centrifugal pump 1, a water pipe is connected with the second conduit 4, the centrifugal pump 1 is started, water enters the cleaning box 3 through the second conduit 4, the water enters the first conduit 2 through the filter screen 5, then enters the centrifugal pump 1 from the first conduit 2 for output, when impurities in the water pass through the left side of the filter screen 5, the impurities are filtered on the left side of the filter screen 5, the motor 801 is started, the motor 801 drives the movable column 802 to rotate, the movable column 802 drives the cam 803 to rotate, the cam 803 supports the first fixing plate 804, the first fixing plate 804 drives the second fixing plate 805 to move backwards, the second fixing plate 805 drives the fourth fixing plate 902 and the third fixing plate 901 to move backwards, water between the two fourth fixing plates 902 drives the filter screen 5 to impact, the purpose of dredging the filter screen 5 is achieved, and the filter screen 5 is prevented from being blocked, meanwhile, water impacts the inclined plate 904 through the filter screen 5, so that the inclined plate 904 drives the third fixing plate 901 to move forwards, the inclined plate 904 can facilitate the resetting of the third fixing plate 901, when the impurities on the left side of the filter screen 5 are excessive, the centrifugal pump 1 is closed, the screw cap 605 is screwed, the screw cap 605 is separated from the surface of the first fixing block 603, the closing plate 601 is rotated, the closing plate 601 drives the first fixing block 603 to rotate, thereby the impurities in the second conduit 4 are cleaned, when the cleaning is completed, the closing plate 601 is rotated, the closing plate 601 drives the first sealing ring 602 to rotate, the closing plate 601 and the first sealing ring 602 are better contacted with the second conduit 4 and the inclined ring 10, the sealing of the second conduit 4 is realized, the screw cap 605 is screwed, the screw cap is extruded to the first fixing block 603, the fixing of the first fixing block 603 and the closing plate 601 is completed, the sealing of the second conduit 4 is more stable, and the leakage is avoided, to meet the market demand.
However, as is well known to those skilled in the art, the working principle and wiring method of the centrifugal pump device and the motor device are common and are conventional means or common knowledge, and thus, they will not be described in detail herein, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The anti-blocking centrifugal pump with the function of protecting the impeller comprises a centrifugal pump (1) and is characterized in that an input end of the centrifugal pump (1) is fixedly connected with a first guide pipe (2), the left side of the first guide pipe (2) is fixedly communicated with a cleaning box (3), the left side of the cleaning box (3) is fixedly communicated with a second guide pipe (4), a filter screen (5) is fixedly connected to the left side of the interior of the cleaning box (3), a closing mechanism (6) is arranged on the second guide pipe (4), the filter screen (5) is matched with the closing mechanism (6) for use, a power box (7) is fixedly connected to the front side of the cleaning box (3), a transmission mechanism (8) is arranged inside the power box (7), the rear side of the transmission mechanism (8) penetrates through the power box (7) and extends to the interior of the cleaning box (3), the right side of the transmission mechanism (8) penetrates through the power box (7) and extends to the surface of the power box (7), the inside swing joint of clean case (3) has rocking mechanism (9), rocking mechanism (9) and the inner wall swing joint of clean case (3), rocking mechanism's (9) front side and drive mechanism's (8) rear side fixed connection.
2. The anti-clogging centrifugal pump with the function of protecting the impeller according to claim 1, wherein the closing mechanism (6) comprises a closing plate (601), the closing plate (601) is located at the rear side inside the second conduit (4), a first sealing ring (602) is fixedly connected to the surface of the closing plate (601), the surface of the first sealing ring (602) is movably connected to the inside of the second conduit (4), the bottom of the rear side of the closing plate (601) is movably connected to the surface of the second conduit (4) through a hinge, a first fixing block (603) is fixedly connected to the top of the rear side of the closing plate (601), a U-shaped opening is formed in the first fixing block (603), a bolt (604) is connected to the inside of the U-shaped opening, the front side of the bolt (604) is fixedly connected to the surface of the second conduit (4), and a nut (605) is movably connected to the surface of the bolt (604), the surface of the nut (605) is matched with the first fixing block (603).
3. The anti-clogging centrifugal pump with the function of protecting the impeller according to claim 2, the transmission mechanism (8) comprises a motor (801), the motor (801) is arranged on the right side surface of the power box (7), the output end of the motor (801) is fixedly connected with a movable column (802), the left side of the movable column (802) penetrates through the power box (7) and extends to the interior of the power box (7), a cam (803) is fixedly connected to the surface of the movable column (802), a first fixing plate (804) is arranged at the rear side of the cam (803), a second fixing plate (805) is fixedly connected with the rear side of the first fixing plate (804), the rear side of the second fixing plate (805) penetrates through the power box (7) and extends to the inside of the cleaning box (3), the rear side of the second fixing plate (805) is fixedly connected with the front side of the shaking mechanism (9).
4. The anti-clogging centrifugal pump with the function of protecting the impeller according to claim 3, wherein the shaking mechanism (9) comprises a third fixing plate (901), the third fixing plate (901) is located inside the cleaning tank (3), a fourth fixing plate (902) is fixedly connected to both the front side and the rear side of the third fixing plate (901), the surface of the fourth fixing plate (902) is movably connected to the inner wall of the cleaning tank (3), the front side of the fourth fixing plate (902) on one side is fixedly connected to the rear side of the second fixing plate (805), an opening (903) is formed in the third fixing plate (901), an inclined plate (904) is fixedly connected to the front side of the inner wall of the opening (903), and second sealing rings (905) are sleeved on the surfaces of the fourth fixing plates (902) on both sides.
5. Anti-clogging centrifugal pump with impeller protection function according to claim 2, characterized in that the front side of the first sealing ring (602) is provided with a bevel ring (10), the surface of the bevel ring (10) is fixedly connected with the inside of the second conduit (4).
6. The anti-clogging centrifugal pump with the function of protecting the impeller as claimed in claim 3, characterized in that the surface of the movable column (802) is sleeved with a third sealing ring (11), the surface of the third sealing ring (11) is fixedly connected with the inside of the power box (7), the left side of the surface of the movable column (802) is fixedly connected with a bearing (12), and the left side of the bearing (12) is fixedly connected with the left side of the inner wall of the power box (7).
7. The anti-blocking centrifugal pump with the function of protecting the impeller according to claim 3, wherein the front side of the first fixing plate (804) is used in cooperation with the rear side of the cam (803), the top and the bottom of the left side inside the first fixing plate (804) are both provided with fixing rods (13), the rear side of each fixing rod (13) penetrates through the first fixing plate (804) and is fixedly connected with the inner wall of the power box (7), the front side of each fixing rod (13) is fixedly connected with a second fixing block (14), the second fixing block (14) is fixedly connected with the inner wall of the power box (7), the fixing rods (13) are sleeved with tension springs (15), and the tension springs (15) are located between the first fixing plate (804) and the second fixing blocks (14).
8. The centrifugal pump with function of impeller protection against blockage of the stated claim 4, characterized by that, the number of the stated second seal ring (905) is three, and distribute evenly on the surface of the fourth dead plate (902), the surface of the stated second seal ring (905) is in close contact with inner wall of the clean box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547757.2A CN113107909B (en) | 2021-05-19 | 2021-05-19 | Anti-blocking centrifugal pump with impeller protecting function and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547757.2A CN113107909B (en) | 2021-05-19 | 2021-05-19 | Anti-blocking centrifugal pump with impeller protecting function and method |
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| CN113107909A true CN113107909A (en) | 2021-07-13 |
| CN113107909B CN113107909B (en) | 2022-11-18 |
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| CN202110547757.2A Active CN113107909B (en) | 2021-05-19 | 2021-05-19 | Anti-blocking centrifugal pump with impeller protecting function and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673693A (en) * | 2022-02-23 | 2022-06-28 | 江苏德尔嘉机械制造有限公司 | No-leakage chemical process pump with anti-blocking structure |
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| CN114673693A (en) * | 2022-02-23 | 2022-06-28 | 江苏德尔嘉机械制造有限公司 | No-leakage chemical process pump with anti-blocking structure |
| CN114673693B (en) * | 2022-02-23 | 2024-05-14 | 江苏德尔嘉机械制造有限公司 | Leakage-free chemical process pump with anti-blocking structure |
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| CN113107909B (en) | 2022-11-18 |
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