CN115487563A - Detachable filter screen for water supply pump and installation method thereof - Google Patents

Detachable filter screen for water supply pump and installation method thereof Download PDF

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Publication number
CN115487563A
CN115487563A CN202211300709.4A CN202211300709A CN115487563A CN 115487563 A CN115487563 A CN 115487563A CN 202211300709 A CN202211300709 A CN 202211300709A CN 115487563 A CN115487563 A CN 115487563A
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China
Prior art keywords
filter screen
plate
mounting
rod
inlet pipe
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Granted
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CN202211300709.4A
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Chinese (zh)
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CN115487563B (en
Inventor
杨荣霞
王康
李开兵
胡显有
向锐
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Sanlianpump Industry Co ltd
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Sanlianpump Industry Co ltd
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Priority to CN202211300709.4A priority Critical patent/CN115487563B/en
Publication of CN115487563A publication Critical patent/CN115487563A/en
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Publication of CN115487563B publication Critical patent/CN115487563B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The invention discloses a detachable filter screen for a water supply pump and an installation method thereof, and relates to the technical field of water supply pump filter screens, the detachable filter screen comprises a water inlet pipe, wherein one end of the water inlet pipe is fixedly provided with an installation plate, one end of the installation plate, which is far away from the water inlet pipe, is provided with a protection component, the interior of the water inlet pipe is provided with a cleaning component, the installation plate is provided with an installation groove, and a limiting component is arranged in the installation groove; the cleaning assembly comprises a first filter screen, the first filter screen is slidably mounted in the mounting plate, and a rotating wheel is rotatably mounted on one side, away from the water inlet pipe, of the first filter screen; the invention has the beneficial effects that: the cleaning assembly drives the rotating wheel to rotate through the impact of water flow, the cleaning brush is driven to prevent the first filter screen from being blocked and cleaned, the cleaning is carried out while the water feeding pump works, the filter screen is prevented from being frequently detached and cleaned as far as possible, and the improvement on the working efficiency of the maintenance of the device is facilitated.

Description

Detachable filter screen for water supply pump and installation method thereof
Technical Field
The invention relates to the technical field of water supply pump filter screens, in particular to a detachable filter screen for a water supply pump and an installation method thereof.
Background
The filter screen at the inlet of the feed pump is also called as the filter screen at the inlet of the condensate pump of the condensate tower of the thermal power steam boiler, and is used for eliminating impurities in a medium so as to protect equipment and valves from normal use. When fluid enters the filter cartridge with a certain size of filter screen, impurities are blocked, and clean filtrate is discharged from the filter outlet.
The invention discloses a Chinese patent with patent publication number CN114458591A, which is named as a detachable anti-deformation filter screen for a water pump and an installation method thereof, wherein a first storage pipe and a second storage pipe are arranged at the lower end of a housing, meanwhile, a coarse filter screen and a fine filter screen are respectively installed at the rear ends above the first storage pipe and the second storage pipe, the two filter screens are connected through three anti-deformation connecting rods, and a plurality of reinforcing ribs are welded between the anti-deformation connecting rods.
Still there are some weak points during the use of above-mentioned device, block up impurity after the filtration that is not convenient for when water-feeding pump limit during operation on the filter screen in the above-mentioned device, lead to the condition of filter screen jam easily, influence the work efficiency of the maintenance of device, consequently provided a detachable filter screen for water-feeding pump and mounting method thereof that can solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a detachable filter screen for a water supply pump and an installation method thereof, and the detachable filter screen solves the following technical problems:
the filter screen blockage device is not convenient for cleaning impurities after filtration on the filter screen when the water feeding pump works, easily causes the situation of filter screen blockage, and influences the work efficiency of the maintenance of the device.
The purpose of the invention can be realized by the following technical scheme:
a detachable filter screen for a water supply pump comprises a water inlet pipe, wherein a mounting plate is fixedly mounted at one end of the water inlet pipe, a protective assembly is arranged at one end, away from the water inlet pipe, of the mounting plate, a cleaning assembly is arranged inside the water inlet pipe, a mounting groove is formed in the mounting plate, and a limiting assembly is arranged in the mounting groove; clean the subassembly and include first filter screen, first filter screen slidable mounting is in the mounting panel, one side that the inlet tube was kept away from to first filter screen is rotated and is installed the swiveling wheel, one side fixed mounting that the blade of swiveling wheel is close to first filter screen has the brush cleaner, one side that the swiveling wheel was kept away from to first filter screen is provided with the second filter screen.
As a further scheme of the invention: one side fixed mounting that the second filter screen is close to first filter screen has the slide bar, one side fixed mounting that the brush cleaner was kept away from to first filter screen has the sleeve, slide bar slidable mounting is in the sleeve, the sleeve is close to one end screw thread of second filter screen and installs the screw, the screw thread runs through the sleeve, fixed mounting has the sealing washer on the second filter screen.
As a further scheme of the invention: the limiting assembly comprises a limiting rod, the limiting rod is installed on the inner wall, close to the first filter screen, of the installation groove in a sliding penetrating mode, an operation plate is fixedly installed at one end, far away from the first filter screen, of the limiting rod, an operation rod is fixedly installed on one side, far away from the limiting rod, of the operation plate, and special-shaped elastic pieces are arranged on the operation rod.
As a further scheme of the invention: the special-shaped elastic piece is provided with a round hole, the operating rod is installed in the round hole in a sliding penetrating mode, the special-shaped elastic piece is installed on the outer surface of the operating rod in a nested mode, and one end, far away from the operating plate, of the operating rod penetrates through the inner wall of the installation groove in a sliding mode.
As a further scheme of the invention: the operating plate is provided with a balance rod in a sliding penetrating mode, and two ends of the balance rod are fixedly installed on the inner wall of the installation groove.
As a further scheme of the invention: the protection assembly comprises a protection cover, wherein a clamping plate is fixedly mounted on the protection cover at a position corresponding to the mounting groove, a clamping groove is formed in the inner wall of the mounting groove, the clamping plate is clamped and mounted in the clamping groove, and a pressing unit is arranged on the mounting plate.
As a further scheme of the invention: the pressing unit comprises a pressing plate, a connecting rod and a spring are fixedly mounted on one side, close to the mounting plate, of the pressing plate, the connecting rod penetrates through the inner wall of the mounting groove in a sliding mode, a limiting plate is fixedly mounted at one end, far away from the pressing plate, of the connecting rod, and the bottom face of the limiting plate slides on the balancing rod.
As a further scheme of the invention: the pressing plate is fixedly provided with an extrusion block at a position corresponding to the clamping groove, one end of the spring far away from the pressing plate is fixedly arranged on the mounting plate, and the spring is nested and arranged on the outer surface of the connecting rod.
A method for installing a detachable filter screen for a water supply pump comprises the following steps:
s1, firstly loosening screws, then taking the second filter screen to drive the slide bar to be inserted into the sleeve, then adjusting the distance between the first filter screen and the second filter screen, and finally tightening the screws to enable the screws to extrude the slide bar in the sleeve, so that the position of the slide bar is convenient to fix;
s2, pulling the operating rod to enable the operating rod to drive the operating plate to extrude the special-shaped elastic sheet to enable the special-shaped elastic sheet to be in a compressed state, enabling the operating plate to slide on the balancing rod, enabling the limiting rod to contract into the mounting groove, then taking the rotating wheel to enable the rotating wheel to drive the first filter screen and the second filter screen to be inserted into the water inlet pipe, then loosening the operating rod to enable the operating plate to drive the limiting rod to reset under the elastic acting force of the special-shaped elastic sheet, and enabling the limiting rod to be clamped with the first filter screen in a limiting mode;
s3, the protective cover is taken to drive the clamping plate to be inserted into the mounting groove, and meanwhile the clamping plate is clamped and mounted into the clamping groove and is located above the connecting rod.
The invention has the beneficial effects that:
(1) The cleaning assembly drives the rotating wheel to rotate through the impact of water flow and drives the cleaning brush to perform anti-blocking cleaning on the first filter screen, the cleaning is performed while the water feeding pump works, the condition that the water pump is damaged due to blocking of the water inlet pipe is avoided as much as possible, the filter screen is prevented from being frequently disassembled and cleaned as much as possible, and the working efficiency of maintenance of the device is improved;
(2) The limiting assembly drives the operating plate to extrude the special-shaped elastic sheet by pulling the operating rod, meanwhile, the operating plate slides on the balancing rod, the limiting rod is contracted into the mounting groove, then the rotating wheel is taken, the rotating wheel drives the first filter screen and the second filter screen to be taken out of the water inlet pipe, then the operating rod is loosened, the special-shaped elastic sheet drives the limiting rod to elastically reset, the mounting and dismounting are convenient, and the mounting and dismounting work efficiency of the device is improved;
(3) The protection component enables the pressing plate to extrude the connecting rod and the spring by extruding the pressing plate, the connecting rod drives the limiting plate to slide on the balancing rod, the pressing plate drives the extruding block to extrude the clamping plate, the clamping plate is extruded from the clamping groove, then the protection cover is taken down from the mounting plate, the protection cover is convenient to mount and dismount, the safety of the device is improved, and the service life of the device is prolonged.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a detachable strainer for a water pump according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view showing the internal structure of a detachable strainer for a water pump according to the present invention;
FIG. 4 is a schematic front view of a removable strainer for a water pump according to the present invention;
FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;
FIG. 6 is a schematic view of an exploded structure of a removable strainer for a water pump according to the present invention;
fig. 7 is an enlarged schematic view of the structure at C in fig. 6.
In the figure: 1. a water inlet pipe; 2. mounting a plate; 3. a guard assembly; 31. a protective cover; 32. a clamping plate; 33. a clamping groove; 34. pressing the movable plate; 35. a connecting rod; 36. a spring; 37. extruding the block; 38. a limiting plate; 4. a sweeping assembly; 41. a first filter screen; 42. a second filter screen; 43. a sleeve; 44. a slide bar; 45. a screw; 46. a rotating wheel; 47. cleaning with a brush; 48. a seal ring; 5. a limiting component; 51. a limiting rod; 52. an operation panel; 53. a special-shaped elastic sheet; 54. a balancing bar; 55. an operating lever; 6. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the invention is a detachable filter screen for a water supply pump, which includes a water inlet pipe 1, wherein one end of the water inlet pipe 1 is fixedly provided with a mounting plate 2, one end of the water inlet pipe 1 far away from the mounting plate 2 is fixedly arranged on the water supply pump, one end of the mounting plate 2 far away from the water inlet pipe 1 is provided with a protection component 3, the interior of the water inlet pipe 1 is provided with a cleaning component 4, the mounting plate 2 is provided with a mounting groove 6, and the mounting groove 6 is internally provided with a limit component 5; clean subassembly 4 including first filter screen 41, first filter screen 41 slidable mounting is in mounting panel 2, one side that inlet tube 1 was kept away from to first filter screen 41 is rotated and is installed swiveling wheel 46, it rotates to drive swiveling wheel 46 through rivers, one side fixed mounting that swiveling wheel 46's blade is close to first filter screen 41 has cleaning brush 47, cleaning brush 47 clears up the impurity of jam on first filter screen 41 under the drive of swiveling wheel 46 blade, clear up while the during operation on water pump limit, the condition of the water pump damage that inlet tube 1 blockked up and lead to has been avoided as far as possible, frequent dismantlement clearance has been avoided as far as possible, be favorable to the work efficiency of the maintenance of improving the device, one side that swiveling wheel 46 was kept away from to first filter screen 41 is provided with second filter screen 42, the filtration pore diameter of second filter screen 42 will be less than first filter screen 41 filtration pore, the effect of a lot of filtration has been played.
One side fixed mounting that second filter screen 42 is close to first filter screen 41 has slide bar 44, one side fixed mounting that first filter screen 41 kept away from brush cleaner 47 has sleeve 43, slide bar 44 slidable mounting is in sleeve 43, the effect of slide adjusting has been played, sleeve 43 is close to the one end screw thread of second filter screen 42 and has been installed screw 45, screw 45 screw thread runs through sleeve 43, make screw 45 extrude slide bar 44 in the sleeve 43, the effect of fixed slide bar 44 has been played, be favorable to improving the stability of device, fixed mounting has sealing washer 48 on second filter screen 42, sealing washer 48 has played the effect of sealed stable second filter screen 42, be convenient for improve the cleaning ability of device, be favorable to reducing the frequency that the device cleaned, it dismantles to facilitate the installation, be favorable to improving the work efficiency of the installation dismantlement of device.
Spacing subassembly 5 includes gag lever post 51, gag lever post 51 slides to run through and installs on the inner wall that mounting groove 6 is close to first filter screen 41, gag lever post 51 block spacing first filter screen 41 is at mounting panel 2 internal position, be favorable to improving the spacing stability of device, the one end fixed mounting that first filter screen 41 was kept away from to gag lever post 51 has operation panel 52, one side fixed mounting that gag lever post 51 was kept away from to operation panel 52 has action bars 55, be provided with special-shaped shell fragment 53 on the action bars 55, special-shaped shell fragment 53 has played the effect that drives action bars 52 elasticity and reset, be convenient for drive the first filter screen 41 of gag lever post 51 elasticity block.
The round hole has been seted up on dysmorphism shell fragment 53, the operating rod 55 slides and runs through and installs in the round hole, dysmorphism shell fragment 53 nestification is installed on the surface of operating rod 55, the both ends of dysmorphism shell fragment 53 all are not connected with one side of operating panel 52 and the inner wall of mounting groove 6, the operating rod 55 is kept away from the one end of operating panel 52 and is slided and run through the inner wall of mounting groove 6, sliding run through installs balancing pole 54 on the operating panel 52, the both ends fixed mounting of balancing pole 54 is on the inner wall of mounting groove 6, balancing pole 54 has played the effect of balanced stable operating panel 52, be favorable to improving the safety and stability of device, first filter screen 41 is dismantled in easy to assemble, be convenient for spacing first filter screen 41 of stability, be favorable to improving the work efficiency of the installation and the dismantlement of device.
The protection assembly 3 comprises a protection cover 31, a clamping plate 32 is fixedly mounted on the protection cover 31 at a position corresponding to the mounting groove 6, a clamping groove 33 is formed in the inner wall of the mounting groove 6, the clamping plate 32 is clamped and mounted in the clamping groove 33, the protection cover 31 protects the rotating wheel 46, damage to the rotating wheel 46 caused by a large number of objects is avoided as much as possible, and a pressing unit is arranged on the mounting plate 2.
The pressing unit comprises a pressing plate 34, a connecting rod 35 and a spring 36 are fixedly mounted on one side, close to the mounting plate 2, of the pressing plate 34, the spring 36 plays a role in driving the pressing plate 34 to reset, the connecting rod 35 penetrates through the inner wall of the mounting groove 6 in a sliding mode, a limiting plate 38 is fixedly mounted at one end, far away from the pressing plate 34, of the connecting rod 35, the connecting rod 35 plays a role in stabilizing the pressing plate 34, the bottom surface of the limiting plate 38 slides on a balancing rod 54 to play a role in limiting and stabilizing the pressing plate 34, a squeezing block 37 is fixedly mounted at a position, corresponding to the clamping groove 33, of the pressing plate 34, the clamping plate 32 is pushed out of the clamping groove 33 through the squeezing block 37, the protective cover 31 can be conveniently taken out of the mounting plate 2, one end, far away from the pressing plate 34, of the spring 36 is fixedly mounted on the mounting plate 2, the spring 36 is mounted on the outer surface of the connecting rod 35 in a nested mode, the protective cover 31 is convenient to mount and dismount, and the safety of the device is improved.
A method for installing a detachable filter screen for a water supply pump comprises the following steps:
s1, firstly loosening a screw 45, then taking a second filter screen 42 to drive a sliding rod 44 to be inserted into a sleeve 43, then adjusting the distance between a first filter screen 41 and the second filter screen 42, and finally screwing the screw 45, so that the screw 45 extrudes the sliding rod 44 in the sleeve 43, and the position of the sliding rod 44 is fixed conveniently;
s2, pulling the operating rod 55 to enable the operating rod 55 to drive the operating plate 52 to extrude the special-shaped elastic sheet 53, enabling the special-shaped elastic sheet 53 to be in a compressed state, enabling the operating plate 52 to slide on the balancing rod 54, enabling the limiting rod 51 to shrink into the mounting groove 6, then taking the rotating wheel 46 to enable the rotating wheel 46 to drive the first filter screen 41 and the second filter screen 42 to be inserted into the water inlet pipe 1, then loosening the operating rod 55 to enable the operating plate 52 to drive the limiting rod 51 to reset under the elastic acting force of the special-shaped elastic sheet 53, and enabling the limiting rod 51 to be clamped and limited on the first filter screen 41;
and S3, the protective cover 31 is held to drive the clamping plate 32 to be inserted into the mounting groove 6, and meanwhile, the clamping plate 32 is clamped and mounted into the clamping groove 33, and the clamping plate 32 is located above the connecting rod 35.
The working principle of the invention is as follows: when the device is disassembled, firstly, the pressing plate 34 is pressed, meanwhile, the pressing plate 34 presses the connecting rod 35 and the spring 36, the spring 36 is in a compressed state, the connecting rod 35 slides on the inner wall of the mounting groove 6, meanwhile, the connecting rod 35 drives the limiting plate 38 to slide on the balance rod 54, meanwhile, the pressing plate 34 drives the pressing block 37 to press the clamping plate 32, the clamping plate 32 is extruded from the clamping groove 33, then, the protective cover 31 is taken down from the mounting plate 2, then, the operating rod 55 is pulled, the operating rod 55 drives the operating plate 52 to press the special-shaped elastic sheet 53, the special-shaped elastic sheet 53 is in a compressed state, meanwhile, the operating plate 52 slides on the balance rod 54, the limiting rod 51 is contracted into the mounting groove 6, then, the rotating wheel 46 is taken, the rotating wheel 46 drives the first filter screen 41 and the second filter screen 42 to be taken out from the water inlet pipe 1, then, the screw 45 is unscrewed, the first filter screen 41 is pulled, the first filter screen 41 drives the sliding rod 44 to be pulled from the sleeve 43, and impurities filtered on the second filter screen 42 can be cleaned conveniently.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (9)

1. The utility model provides a detachable filter screen for feed pump, includes inlet tube (1), its characterized in that: a mounting plate (2) is fixedly mounted at one end of the water inlet pipe (1), a protective component (3) is arranged at one end, far away from the water inlet pipe (1), of the mounting plate (2), a cleaning component (4) is arranged inside the water inlet pipe (1), a mounting groove (6) is formed in the mounting plate (2), and a limiting component (5) is arranged in the mounting groove (6); clean subassembly (4) including first filter screen (41), first filter screen (41) slidable mounting is in mounting panel (2), one side that inlet tube (1) was kept away from in first filter screen (41) is rotated and is installed swiveling wheel (46), one side fixed mounting that the blade of swiveling wheel (46) is close to first filter screen (41) has cleaning brush (47), one side that swiveling wheel (46) were kept away from in first filter screen (41) is provided with second filter screen (42).
2. A removable sieve for a feed pump according to claim (1), characterized in that: one side fixed mounting that second filter screen (42) are close to first filter screen (41) has slide bar (44), one side fixed mounting that sweeper brush (47) was kept away from in first filter screen (41) has sleeve (43), slide bar (44) slidable mounting is in sleeve (43), screw (45) are installed to one end screw thread that sleeve (43) are close to second filter screen (42), screw (45) screw thread runs through sleeve (43), fixed mounting has sealing washer (48) on second filter screen (42).
3. The removable screen for a water pump of claim 2, wherein: spacing subassembly (5) include gag lever post (51), gag lever post (51) slide to run through and install on mounting groove (6) are close to the inner wall of first filter screen (41), the one end fixed mounting that first filter screen (41) were kept away from in gag lever post (51) has operation panel (52), one side fixed mounting that gag lever post (51) were kept away from in operation panel (52) has action bars (55), be provided with special-shaped shell fragment (53) on action bars (55).
4. The removable screen for a water pump of claim 3, wherein: the special-shaped elastic sheet (53) is provided with a round hole, the operating rod (55) is installed in the round hole in a sliding penetrating mode, the special-shaped elastic sheet (53) is installed on the outer surface of the operating rod (55) in a nested mode, and one end, far away from the operating plate (52), of the operating rod (55) penetrates through the inner wall of the installation groove (6) in a sliding mode.
5. The removable screen for a water pump of claim 4, wherein: a balance bar (54) is arranged on the operating plate (52) in a sliding and penetrating mode, and two ends of the balance bar (54) are fixedly arranged on the inner wall of the mounting groove (6).
6. The removable screen for a water pump of claim 1, wherein: the protection component (3) comprises a protection cover (31), a clamping plate (32) is fixedly mounted on the protection cover (31) at a position corresponding to the mounting groove (6), a clamping groove (33) is formed in the inner wall of the mounting groove (6), the clamping plate (32) is clamped and mounted in the clamping groove (33), and a pressing unit is arranged on the mounting plate (2).
7. The removable screen for a water pump of claim 6, wherein: the pressing unit comprises a pressing plate (34), a connecting rod (35) and a spring (36) are fixedly mounted on one side, close to the mounting plate (2), of the pressing plate (34), the connecting rod (35) penetrates through the inner wall of the mounting groove (6) in a sliding mode, a limiting plate (38) is fixedly mounted at one end, far away from the pressing plate (34), of the connecting rod (35), and the bottom surface of the limiting plate (38) slides on the balance rod (54).
8. The removable screen for a water pump of claim 7, wherein: the pressing plate (34) is fixedly provided with an extrusion block (37) at a position corresponding to the clamping groove (33), one end of the spring (36) far away from the pressing plate (34) is fixedly arranged on the mounting plate (2), and the spring (36) is nested on the outer surface of the connecting rod (35).
9. A mounting method of a detachable filter screen for a water supply pump is characterized in that: the method comprises the following steps:
s1, firstly loosening a screw (45), then taking a second filter screen (42) to drive a sliding rod (44) to be inserted into a sleeve (43), then adjusting the distance between a first filter screen (41) and the second filter screen (42), and finally tightening the screw (45), so that the screw (45) extrudes the sliding rod (44) in the sleeve (43), and the position of the sliding rod (44) is fixed conveniently;
s2, pulling the operating rod (55), enabling the operating rod (55) to drive the operating plate (52) to extrude the special-shaped elastic sheet (53), enabling the special-shaped elastic sheet (53) to be in a compressed state, enabling the operating plate (52) to slide on the balancing rod (54), enabling the limiting rod (51) to shrink into the mounting groove (6), then taking the rotating wheel (46), enabling the rotating wheel (46) to drive the first filter screen (41) and the second filter screen (42) to be inserted into the water inlet pipe (1), then loosening the operating rod (55), enabling the operating plate (52) to drive the limiting rod (51) to reset under the elastic acting force of the special-shaped elastic sheet (53), and enabling the limiting rod (51) to be clamped with the first limiting filter screen (41);
s3, the protective cover (31) is held to drive the clamping plate (32) to be inserted into the mounting groove (6), the clamping plate (32) is clamped and mounted into the clamping groove (33), and the clamping plate (32) is located above the connecting rod (35).
CN202211300709.4A 2022-10-24 2022-10-24 Detachable filter screen for water supply pump and installation method thereof Active CN115487563B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116428149A (en) * 2023-04-04 2023-07-14 华能淮阴第二发电有限公司 Condensate pump and condensate pump frequency converter operation method

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