CN217354784U - Built-in impeller locking prevention mechanism of centrifugal pump - Google Patents
Built-in impeller locking prevention mechanism of centrifugal pump Download PDFInfo
- Publication number
- CN217354784U CN217354784U CN202221206741.1U CN202221206741U CN217354784U CN 217354784 U CN217354784 U CN 217354784U CN 202221206741 U CN202221206741 U CN 202221206741U CN 217354784 U CN217354784 U CN 217354784U
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump
- built
- shell
- centrifugal pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a built-in impeller card of preventing of centrifugal pump is died and is constructed, the pump case comprises a pump shell, the pump case divide into preceding shell and backshell, the front surface middle part of preceding shell is equipped with the hole that absorbs water, the front surface threaded connection in hole that absorbs water has the filter screen, the preceding shell of pump case is fixed connection through screw and backshell. According to the built-in impeller clamping prevention mechanism of the centrifugal pump, the filter screen is arranged on the outer surface of the water suction hole of the front shell through the arrangement of the filter screen, the front shell, the water suction hole and the impeller, when the centrifugal pump works, water is sucked through the rotation of the impeller, impurities can be contained in the water, the impurities in the water can be filtered outside through the installation of the filter screen, so that the impurities cannot enter the inside of the impeller, and the condition that the impeller stops rotating due to the winding and blocking of the impurities can be reduced; when the filter screen needs to be disassembled for cleaning, the filter screen can be replaced and cleaned only by screwing the filter screen off from the outer surface of the water suction hole, and the water suction device is convenient and easy to operate.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to centrifugal pump is built-in prevents dead mechanism of impeller card.
Background
Centrifugal pumps are widely used in the mining industry, and generally, higher slurry densities or larger or harder slurry particles will result in higher wear rates and reduced pump life.
Centrifugal pumps are widely used in mineral processing facilities ranging from the first very coarse processing of slurries with high wear rates (such as attrition) to the final processing of slurries that are much finer and have greatly reduced wear rates (such as production of floating tailings). For example, the wearing parts of a centrifugal pump that handles the task of feeding coarser particles may only have a life calculated in weeks or months, in contrast to a pump that is subjected to final treatment having wearing parts that can last for one to two years.
The during operation, the back of auxiliary vane can produce the swirl, when carrying the medium solid content when higher, because solid particle has extremely strong corrosivity, the swirl of formation will aggravate the degree of corrosion of impeller front shroud and back shroud greatly, the medium solid content is higher also can cause the impeller because impurity produces the winding and blocks up the shut down, the front shroud and the back shroud of impeller are difficult to dismantle, the pump case also can not be dismantled, thereby increaseed the degree of difficulty of clearing up and overhauing the impeller inside, thereby shorten the life of impeller.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a centrifugal pump is built-in prevents dead mechanism of impeller card, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a built-in impeller clamping prevention mechanism of a centrifugal pump comprises a pump shell, wherein the pump shell is divided into a front shell and a rear shell, a water suction hole is formed in the middle of the front surface of the front shell, a filter screen is connected to the front surface of the water suction hole in a threaded mode, and the front shell of the pump shell is fixedly connected with the rear shell through screws; the improved pump is characterized in that an impeller is arranged in the middle of the pump shell, a rotating shaft is connected to the inner wall, close to one side of the rear shell, of the impeller through screws, a motor is connected to one side, away from the rear shell, of the rotating shaft, one side of the rotating shaft is fixedly connected with the output end of the motor, the impeller is divided into a front cover plate and a rear cover plate, a first screw is movably connected to the upper surface of the front cover plate, and the first screw penetrates through the front cover plate and the rear cover plate.
In order to make the mesh that reaches the dismantlement impeller, as the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, first screw quantity is a plurality of, a plurality of first screw is annular array between front shroud and back shroud.
In order to make and reach the pivoted purpose, conduct the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, be equipped with the blade between the front shroud of impeller and the back shroud.
In order to make the mesh that reaches even running, conduct the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, the quantity of blade is a plurality of, a plurality of the blade is annular array between front shroud and back shroud.
In order to make the purpose that reduces axial thrust, conduct the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, the back shroud of impeller is equipped with the balancing hole.
In order to make and reach the purpose that liquid is not lost, as the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, one side swing joint that the pump case is close to the backshell has the sealing ring, one side swing joint of sealing ring has the pump cover, the surface swing joint that the pump cover is close to the motor has the second screw, the second screw runs through in the surface of backshell, sealing ring and pump cover.
In order to make and reach the absorbing purpose, as the utility model relates to a centrifugal pump is built-in prevents dead mechanism of impeller card, one side fixedly connected with damping ring that the motor is close to the pump cover.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, the filter screen is arranged on the outer surface of the water suction hole of the front shell through the arrangement of the filter screen, the front shell, the water suction hole and the impeller, when the centrifugal pump works, water is sucked through the rotation of the impeller, impurities can be contained in the water, the impurities in the water can be filtered outside by arranging the filter screen, so that the impurities can not enter the impeller, and the condition that the impeller stops rotating due to the winding and the blockage of the impurities can be reduced; when the filter screen needs to be disassembled for cleaning, the filter screen can be replaced and cleaned only by screwing off the outer surface of the water suction hole, and the water suction hole is convenient and easy to operate.
2. In the utility model, through the arrangement of the front cover plate, the rear cover plate, the first screw, the pump cover, the sealing ring and the second screw, when the interior of the impeller needs to be cleaned and maintained, the first screw is unscrewed and taken down, so that the front cover plate and the rear cover plate of the impeller can be separated, and then the interior of the impeller can be cleaned, thereby facilitating the maintenance; when pump cover and sealing ring need be dismantled and change, twist the nut not hard up, then take out the second screw to demolish sealing ring and pump cover, it is more convenient to dismantle through setting up of second screw.
Drawings
Fig. 1 is a schematic view of the internal structure of a pump casing of a built-in impeller locking prevention mechanism of a centrifugal pump in embodiment 1 of the present invention;
fig. 2 is a schematic front view structure diagram of an impeller locking prevention mechanism built in a centrifugal pump in embodiment 1 of the present invention;
fig. 3 is a schematic view of an impeller structure of an impeller locking prevention mechanism built in a centrifugal pump according to embodiment 1 of the present invention;
fig. 4 is a schematic view of a balance hole structure of an impeller locking prevention mechanism built in a centrifugal pump in embodiment 1 of the present invention;
fig. 5 is an installation schematic diagram of a shock-absorbing ring structure according to embodiment 2 of the present invention.
In the figure: 1. a pump housing; 101. a front housing; 102. a rear housing; 2. a water suction hole; 3. a filter screen; 4. an impeller; 401. a front cover plate; 402. a rear cover plate; 5. a rotating shaft; 6. a motor; 7. a first screw; 8. a blade; 9. a balance hole; 10. a seal ring; 11. a pump cover; 12. a second screw; 13. a shock absorbing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a built-in impeller locking prevention mechanism of a centrifugal pump comprises a pump shell 1, wherein the pump shell 1 is divided into a front shell 101 and a rear shell 102, a water suction hole 2 is formed in the middle of the front surface of the front shell 101, a filter screen 3 is connected to the front surface of the water suction hole 2 in a threaded manner, and the front shell 101 of the pump shell 1 is fixedly connected with the rear shell 102 through screws;
in this embodiment, the middle part of pump case 1 is equipped with impeller 4, and there is pivot 5 impeller 4 is close to the inner wall of backshell 102 one side through screwed connection, and one side that backshell 102 was kept away from to pivot 5 is connected with motor 6, and one side of pivot 5 is fixed connection with the output of motor 6, and impeller 4 divide into front shroud 401 and back shroud 402, and the upper surface swing joint of front shroud 401 has first screw 7, and first screw 7 runs through in front shroud 401 and back shroud 402.
When the centrifugal pump is used, the filter screen 3 is arranged on the outer surface of the water suction hole 2 of the front shell 101, when the centrifugal pump works, water is sucked through the rotation of the impeller 4, impurities can be contained in the water, the filter screen 3 can be arranged to filter the impurities in the water outside, so that the impurities cannot enter the impeller 4, and the condition that the impeller 4 stops rotating due to the winding and blocking of the impurities can be reduced; when the filter screen 3 needs to be disassembled for cleaning, the filter screen 3 can be replaced and cleaned only by screwing off the outer surface of the water suction hole 2, so that the operation is convenient and easy; when needing to wash and overhaul inside the impeller 4, unscrew first screw 7 and take off, can separate front shroud 401 and back shroud 402 of impeller 4, then can go on washing impeller 4 is inside, conveniently overhauls and maintains.
In the present embodiment, the number of the first screws 7 is several, and several first screws 7 are arranged in a circular array between the front cover plate 401 and the rear cover plate 402.
During the specific use, install first screw 7, when needing to dismantle impeller 4 and overhaul, twist the nut and become flexible, then take off first screw 7, can dismantle impeller 4.
In the present embodiment, the blades 8 are provided between the front shroud 401 and the rear shroud 402 of the impeller 4.
During the specific use, install blade 8 inside impeller 4, impeller 4 rotates and inhales water between the blade 8, and through the setting of blade 8, blade 8 radially throws away the inside water of impeller 4.
In the present embodiment, the number of the blades 8 is several, and several blades 8 are arranged in an annular array between the front shroud 401 and the rear shroud 402.
During the specific use, install blade 8 between front shroud 401 and back shroud 402, blade 8 is the annular array setting and can remain stable, more balanced.
In this embodiment, the back cover plate 402 of the impeller 4 is provided with balancing holes 9.
When the rear cover plate is used specifically, the balance holes 9 are formed in the rear cover plate 402, so that the purpose of reducing axial thrust can be achieved, and constant low pressure can be kept.
In this embodiment, one side of the pump casing 1 close to the back casing 102 is movably connected with a sealing ring 10, one side of the sealing ring 10 is movably connected with a pump cover 11, the surface of the pump cover 11 close to the motor 6 is movably connected with a second screw 12, and the second screw 12 penetrates through the surfaces of the back casing 102, the sealing ring 10 and the pump cover 11.
During specific use, when pump cover 11 and sealing ring 10 need to be dismantled and change, twist the nut not hard up, then take out second screw 12 to demolish sealing ring 10 and pump cover 11, it is more convenient to dismantle through setting up of second screw 12.
Working principle; the filter screen 3 is arranged on the outer surface of the water suction hole 2 of the front shell 101, when the centrifugal pump works, water is sucked through the rotation of the impeller 4, impurities can be contained in the water, the filter screen 3 is arranged to filter the impurities in the water outside, so that the impurities cannot enter the impeller 4, and the condition that the impeller 4 stops rotating due to the winding and blocking of the impurities can be reduced; when the filter screen 3 needs to be disassembled for cleaning, the filter screen 3 can be replaced and cleaned only by screwing off the outer surface of the water suction hole 2, so that the operation is convenient and easy; when the interior of the impeller 4 needs to be cleaned and maintained, the first screw 7 is unscrewed and taken down, so that the front cover plate 401 and the rear cover plate 402 of the impeller 4 can be separated, and then the interior of the impeller 4 can be cleaned, so that the maintenance is convenient; installing the blades 8 inside the impeller 4, starting the motor 6, driving the rotating shaft 5 to rotate by the motor 6, driving the impeller 4 to rotate by the rotating shaft 5, sucking water between the blades 8 by the rotation of the impeller 4, and radially throwing the water inside the impeller 4 out by the blades 8 through the arrangement of the blades 8; when pump cover 11 and sealing ring 10 need be dismantled and change, twist the nut not hard up, then take out second screw 12 to demolish sealing ring 10 and pump cover 11, it is more convenient to dismantle through setting up of second screw 12.
Example 2
As shown in fig. 5, the distinguishing features of this embodiment that distinguish embodiment 1 are: a shock absorption ring 13 is fixedly connected to one side of the motor 6 close to the pump cover 11.
During the specific use, install the dampening ring 13 in one side of motor 6, motor 6 during operation can produce vibrations to lead to the unstable condition of pivot 5 rotation, set up the vibrations that dampening ring 13 can reduce motor 6, thereby reach the purpose of steady operation.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, but only by the description of the above embodiments and the description, without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a built-in impeller of preventing of centrifugal pump card is died to mechanism, includes pump case (1), its characterized in that: the pump shell (1) is divided into a front shell (101) and a rear shell (102), a water suction hole (2) is formed in the middle of the front surface of the front shell (101), a filter screen (3) is connected to the front surface of the water suction hole (2) in a threaded mode, and the front shell (101) of the pump shell (1) is fixedly connected with the rear shell (102) through screws;
the middle part of pump case (1) is equipped with impeller (4), there is pivot (5) inner wall that impeller (4) are close to backshell (102) one side through screwed connection, one side that backshell (102) were kept away from in pivot (5) is connected with motor (6), one side of pivot (5) is fixed connection with the output of motor (6), impeller (4) divide into front shroud (401) and back shroud (402), the upper surface swing joint of front shroud (401) has first screw (7), first screw (7) run through in front shroud (401) and back shroud (402).
2. The built-in impeller anti-jamming mechanism of the centrifugal pump according to claim 1, characterized in that: the number of the first screws (7) is several, and the several first screws (7) are arranged between the front cover plate (401) and the rear cover plate (402) in an annular array.
3. The built-in impeller anti-jamming mechanism of the centrifugal pump according to claim 1, characterized in that: and blades (8) are arranged between the front cover plate (401) and the rear cover plate (402) of the impeller (4).
4. The built-in impeller anti-jamming mechanism of the centrifugal pump according to claim 3, characterized in that: the number of the blades (8) is several, and the several blades (8) are arranged between the front cover plate (401) and the rear cover plate (402) in an annular array.
5. The built-in impeller anti-seizing mechanism of the centrifugal pump according to claim 1, characterized in that: and a rear cover plate (402) of the impeller (4) is provided with a balance hole (9).
6. The built-in impeller anti-jamming mechanism of the centrifugal pump according to claim 1, characterized in that: one side swing joint that pump case (1) is close to backshell (102) has sealing ring (10), one side swing joint of sealing ring (10) has pump cover (11), the surperficial swing joint that pump cover (11) are close to motor (6) has second screw (12), second screw (12) run through in the surface of backshell (102), sealing ring (10) and pump cover (11).
7. The built-in impeller anti-jamming mechanism of the centrifugal pump according to claim 6, characterized in that: and one side of the motor (6) close to the pump cover (11) is fixedly connected with a damping ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206741.1U CN217354784U (en) | 2022-05-18 | 2022-05-18 | Built-in impeller locking prevention mechanism of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206741.1U CN217354784U (en) | 2022-05-18 | 2022-05-18 | Built-in impeller locking prevention mechanism of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354784U true CN217354784U (en) | 2022-09-02 |
Family
ID=83013029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221206741.1U Active CN217354784U (en) | 2022-05-18 | 2022-05-18 | Built-in impeller locking prevention mechanism of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354784U (en) |
-
2022
- 2022-05-18 CN CN202221206741.1U patent/CN217354784U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108302063A (en) | A kind of impeller for marine centrifugal pump | |
| CN206681996U (en) | One kind filtering stirred type Sand pump | |
| CN217354784U (en) | Built-in impeller locking prevention mechanism of centrifugal pump | |
| CN111827959B (en) | Underground efficient wear-resistant sand-proof oil-gas separator and method | |
| CN219242217U (en) | Slurry pump with slurry dredging function | |
| CN210531251U (en) | Dust keeper for centrifugal fan | |
| CN208364494U (en) | A kind of engine centrifugal water pump with intake tunnel strainer | |
| CN204283901U (en) | A kind of centrifugal sludge pump | |
| CN214837337U (en) | Novel wear-resisting slurry pump for mineral separation | |
| CN208804050U (en) | A kind of small compact radial discharging centrifugal pump device of band filtering | |
| CN212803768U (en) | Novel sewage pump | |
| CN208348146U (en) | A kind of impeller for marine centrifugal pump | |
| CN208669615U (en) | A kind of intelligent cold-hot water self priming vortex pump | |
| CN216241531U (en) | Millstone type sand prevention device for submersible electric pump | |
| CN111706515A (en) | Immersible pump for hydraulic engineering with cutting grinds foreign matter | |
| CN214145911U (en) | High-lift single-stage centrifugal pump and impeller structure | |
| CN216894922U (en) | Multifunctional axial-flow pump for sewage treatment | |
| CN218644479U (en) | Submersible sewage pump with spiral impeller capable of achieving efficient cutting | |
| CN110500284B (en) | Mining high-flow high-pressure pump and method | |
| CN209800281U (en) | Cutting type stainless steel pump head | |
| CN219176662U (en) | Centrifugal pump with filtering capability | |
| CN211715392U (en) | Anti-blocking chemical centrifugal pump | |
| CN212717207U (en) | Water pump capable of avoiding impurity invasion | |
| CN216129547U (en) | Anti-blocking feeding device of high-pressure coal slurry pump | |
| CN219911318U (en) | Filter device for preventing slurry pump from being blocked |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |