Vertical centrifugal water pump

Abstract

The utility model discloses a vertical centrifugal water pump which comprises a main body mechanism, a filtering mechanism and a cleaning mechanism, the filtering mechanism is used for filtering water flow entering a pump machine main body, and impurities and the like are prevented from entering an inner cavity of the pump machine main body; comprising a water inlet pipe installed on one side of a pump machine body, a barrel installed on the water inlet pipe and communicated with the water inlet pipe, a water diversion piece installed on one side of the barrel and communicated with an inner cavity of the barrel, and a flow dividing base fixed to the inner wall of the barrel. One end of the blow-off pipe is fixed to the bottom end of the flow dividing base, the other end of the blow-off pipe extends out of the water inlet pipe, the annular filter screen is installed at the top end of the flow dividing base, one end of the water inlet pipe communicates with the pump machine body, the other end of the water inlet pipe is closed, the barrel is perpendicular to the water inlet pipe and communicates with the water inlet pipe, and the water diversion piece is used for guiding water flow into an inner cavity of the barrel. The device has the advantages of inflow water filtration and automatic filter screen blockage cleaning.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal water pump technical field, concretely is a vertical centrifugal water pump. BACKGROUND

[0002] Centrifugal pump is a kind of water pump that is applied very widely.The working principle is: relying on high-speed rotating impeller, liquid obtains kinetic energy under the action of inertial centrifugal force to improve pressure.Water pump must be filled with water before working, pump body and water inlet pipe.When impeller rotates, blade promotes water to rotate quickly, and rotating water is thrown from impeller under the action of centrifugal force, and the water in pump is thrown out, and the central part of impeller forms vacuum area, and the water of water source is pressed into water inlet pipe under the action of atmospheric pressure under the action of atmospheric pressure.Thus, it can realize continuous water pumping.

[0003] The existing vertical centrifugal water pump mainly has the following disadvantages in the process of using: when the water pump pumps water, if the impurities in the water are not filtered in time, the impurities will enter the inside of the pump body, and the impeller of the pump body will be damaged for a long time, thereby affecting the service life of the device. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme: a vertical centrifugal water pump, comprising: main body mechanism, filtering mechanism and cleaning mechanism, the main body mechanism includes pump machine main body and water outlet pipe installed at one side of pump machine main body.

[0006] The filtering mechanism includes water inlet pipe installed at one side of pump machine main body, cylinder installed on water inlet pipe and communicated with water inlet pipe, water guide piece installed at one side of cylinder and communicated with the inner chamber of cylinder, shunt seat fixed on the inner wall of cylinder, blowdown pipe with one end fixed at the bottom end of shunt seat and the other end extending into water inlet pipe and annular filter screen installed at the top end of shunt seat.

[0007] The cleaning mechanism includes shell installed at the top end of cylinder and communicated with the inner chamber of cylinder, sealing seat movably arranged in the inner chamber of shell, closing piece fixed at the bottom end of sealing seat and penetrating shunt seat, driving piece installed at the top end of shell and extending into sealing seat and connecting pipe with one end communicated with water outlet pipe and the other end communicated with shell.

[0008] In a preferred example, the water guide piece can further be configured to include a water guide pipe installed at one side of the cylinder and communicated with the inner chamber of the cylinder, and a flow sensor installed on the water guide pipe and extending into the inner chamber of the water guide pipe.

[0009] The utility model discloses in a preferable example can be further configured as: the inner wall of the cylinder is fixed with the flow guide seat, the annular filter screen bottom end is fixed with the flow distribution seat, and the top is fixed with the flow guide seat bottom end.

[0010] The utility model discloses in a preferable example can be further configured as: the flow distribution seat includes the mesh plate fixed on the inner wall of the cylinder and the inner convex annular seat fixed on the inboard of the mesh plate, and a plurality of first through holes are formed in the mesh plate in annular array.

[0011] The utility model discloses in a preferable example can be further configured as: the sealing seat includes the movable seat movably arranged in the inner chamber of the shell and the threaded sleeve fixed on the top end of the movable seat, and a plurality of second through holes are formed in the movable seat in annular array.

[0012] The utility model discloses in a preferable example can be further configured as: the closure includes the round bar fixed on the bottom end of the movable seat one end and passing through the flow distribution seat and the conical seat fixed on the bottom end of the round bar.

[0013] The utility model discloses in a preferable example can be further configured as: the drive includes the motor installed on the top end of the shell and the threaded rod fixed on the motor shaft and extending into the threaded sleeve, and the threaded rod and the threaded sleeve are mutually engaged.

[0014] The utility model discloses in a preferable example can be further configured as: a plurality of semicircular protrusions are arranged in annular array on the outer side of the movable seat, a plurality of semicircular grooves are formed in annular array on the inner wall of the shell, and the semicircular protrusions are embedded in the semicircular grooves.

[0015] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0016] 1. In the utility model, the cylinder is installed on the water inlet pipe of the pump body, the flow distribution seat is fixed on the inner wall of the cylinder, the annular filter screen is installed on the top end of the flow distribution seat, and the water guide is communicated with the inner chamber of the cylinder. When the pump body pumps water, the water flows into the inner chamber of the cylinder through the water guide, then enters the annular filter screen, and after being filtered by the annular filter screen, the impurities stay on the inboard of the annular filter screen, and the water flows into the water inlet pipe through the flow distribution seat. The utility model can filter when the pump body pumps water, avoids impurities from entering the pump and causing damage to the impeller, and affects the service life of the pump.

[0017] 2. The utility model discloses a sewage pipe is set up in the bottom end of the shunt seat and extends into the water inlet pipe, and a shell is set up at the top end of the cylinder, the shell is communicated with the inner chamber of the cylinder, in addition, a sealing seat is set up in the inner chamber of the shell, and a closure is fixed to the bottom end of the sealing seat, which is used for controlling the communication between the inner chamber of the annular filter screen and the sewage pipe, a connecting pipe is further arranged to communicate the water outlet pipe with the shell, and a flow sensor is installed on the water inlet pipe, when the impurities in the annular filter screen are relatively much, the pumping efficiency is reduced, the flow sensor detects that the water flow in the water inlet pipe is lower than the set value, and it can be judged that the annular filter screen is blocked, at this time, the driving part is started, the sealing seat is driven to move downwards, the connecting pipe is communicated with the inner chamber of the shell, and the sealing seat moves downwards and drives the closure to move downwards, so that the inner chamber of the annular filter screen is communicated with the sewage pipe, at this time, the water flow in the water outlet pipe enters the inner chamber of the shell along the connecting pipe, and then enters the inner chamber of the cylinder, under the action of the water flow, the impurities in the annular filter screen are flushed out through the sewage pipe, the cleaning of the impurities in the annular filter screen is completed, the impurities in the annular filter screen can be automatically cleaned, the situation that the annular filter screen is blocked is avoided, and the practicality is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the sectional view schematic diagram of the utility model;

[0020] Figure 3 It is the sectional view structural schematic diagram of the utility model;

[0021] Figure 4 It is the shunt seat structural schematic diagram of the utility model;

[0022] Figure 5 It is the partial structure schematic diagram of the utility model.

[0023] Reference signs:

[0024] 100, main body mechanism; 110, pump main body; 120, water outlet pipe;

[0025] 200, filtering mechanism; 210, water inlet pipe; 220, cylinder; 221, flow guide seat; 230, water inlet element; 231, water inlet pipe; 232, flow sensor; 240, shunt seat; 241, inner convex annular seat; 242, mesh plate; 2421, first through hole; 250, sewage pipe; 260, annular filter screen;

[0026] 300, cleaning mechanism; 310, shell; 320, sealing seat; 321, movable seat; 3211, second through hole; 322, threaded sleeve; 330, closure; 331, round rod; 332, conical seat; 340, driving part; 341, motor; 342, threaded rod; 350, connecting pipe. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model will be further explained in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0028] Some embodiments of the utility model will be described below in combination with the drawings, Embodiment one

[0029] In combination with Figures 1-5 the drawings, the embodiment provides a vertical centrifugal water pump, which comprises a main body mechanism 100, a filtering mechanism 200 and a cleaning mechanism 300.

[0030] The main body mechanism 100 comprises a pump main body 110 and a water outlet pipe 120 installed on one side of the pump main body 110, wherein the pump main body 110 is used for pumping water and pressurizing and pumping out the water, and the water outlet pipe 120 is used for discharging water.

[0031] The filtering mechanism 200 is used for filtering the water flow entering the pump main body 110, so as to avoid impurities and the like from entering the inner cavity of the pump main body 110, and comprises a water inlet pipe 210 installed on one side of the pump main body 110, a cylinder 220 installed on the water inlet pipe 210 and in communication with the water inlet pipe 210, a water guide 230 installed on one side of the cylinder 220 and in communication with the inner cavity of the cylinder 220, a flow distribution seat 240 fixed on the inner wall of the cylinder 220, a blowdown pipe 250 with one end fixed on the bottom end of the flow distribution seat 240 and the other end extending out of the water inlet pipe 210, and an annular filter screen 260 installed on the top end of the flow distribution seat 240.

[0032] One end of the water inlet pipe 210 is in communication with the pump main body 110, and the other end is closed, the cylinder 220 is vertically arranged with the water inlet pipe 210 and in communication with the water inlet pipe 210, the water guide 230 is used for guiding the water flow into the inner cavity of the cylinder 220, the water guide 230 comprises a water guide pipe 231 installed on one side of the cylinder 220 and in communication with the inner cavity of the cylinder 220, and a flow sensor 232 installed on the water guide pipe 231 and extending into the inner cavity of the water guide pipe 231, the flow sensor 232 is used for monitoring the water flow in the water guide pipe 231 in real time, when the annular filter screen 260 is blocked due to too much impurities, the water flow in the water guide pipe 231 is reduced, so that it can be judged that the annular filter screen 260 is blocked.

[0033] The shunt seat 240 comprises a mesh plate 242 fixed on the inner wall of the cylinder body 220 and an inner convex ring seat 241 fixed on the inner side of the mesh plate 242. A flow guide seat 221 is fixed on the inner wall of the cylinder body 220. The bottom end of the annular filter screen 260 is fixed with the shunt seat 240, and the top end is fixed with the bottom end of the flow guide seat 221, so as to ensure the stability of the annular filter screen 260. At the same time, the flow guide seat 221 can guide the water flow entering the cylinder body 220 into the inner side of the annular filter screen 260, so as to facilitate the filtering of the annular filter screen 260. A plurality of first through holes 2421 are arranged in an annular array on the mesh plate 242. After the water flow is filtered by the annular filter screen 260, it can enter the water inlet pipe 210 through the first through holes 2421, and then enter the inner cavity of the pump body 110.

[0034] The sewage pipe 250 is communicated with the inner convex ring seat 241 at one end and extends out of the water inlet pipe 210 at the other end, and is used for discharging impurities in the annular filter screen 260.

[0035] The cleaning mechanism 300 is used for cleaning the impurities in the annular filter screen 260, and comprises a shell 310 installed at the top end of the cylinder body 220 and communicated with the inner cavity of the cylinder body 220, a sealing seat 320 movably arranged in the inner cavity of the shell 310, a sealing element 330 fixed at the bottom end of the sealing seat 320 and penetrating through the shunt seat 240, a driving element 340 installed at the top end of the shell 310 and extending into the sealing seat 320, and a connecting pipe 350 communicated with the water outlet pipe 120 at one end and communicated with the shell 310 at the other end.

[0036] The shell 310 is communicated with the inner cavity of the cylinder body 220 and is used for installing the sealing seat 320. The sealing seat 320 comprises a movable seat 321 movably arranged in the inner cavity of the shell 310 and a threaded sleeve 322 fixed at the top end of the movable seat 321. The connecting pipe 350 is connected with the water outlet pipe 120 at one end and communicated with the shell 310 at the other end. When the movable seat 321 is located at the initial position, the connecting pipe 350 is closed with the inner cavity of the shell 310. When the movable seat 321 is driven downward by the driving element 340, the connecting pipe 350 is communicated with the inner cavity of the shell 310. At this time, the water flow in the water outlet pipe 120 enters the inner cavity of the shell 310 through the connecting pipe 350. The second through holes 3211 are arranged in an annular array on the movable seat 321, so as to facilitate the water flow to enter the inner cavity of the cylinder body 220 through the second through holes 3211, and the impurities in the annular filter screen 260 are flushed into the sewage pipe 250.

[0037] The closing piece 330 is used to control the opening and closing of the inner convex ring-shaped seat 241, which comprises a round rod 331 fixed at one end of the movable seat 321 and passing through the shunt seat 240 and a conical seat 332 fixed at the bottom end of the round rod 331, the round rod 331 is used to install the conical seat 332 and drive the conical seat 332 to move, when the movable seat 321 is located at the initial position, at this time, the conical seat 332 is close to the inner convex ring-shaped seat 241, which ensures the closure between the inner cavity of the ring-shaped filter screen 260 and the blowdown pipe 250, when the movable seat 321 moves downward, the conical seat 332 moves downward through the round rod 331, so that the inner cavity of the ring-shaped filter screen 260 and the blowdown pipe 250 are communicated.

[0038] The driving piece 340 is used to drive the movable seat 321 to move, which comprises a motor 341 installed at the top end of the shell 310 and a threaded rod 342 fixed on the shaft of the motor 341 and extending into the threaded sleeve 322, the threaded rod 342 and the threaded sleeve 322 are engaged with each other, when the motor 341 is started, the threaded rod 342 is driven to rotate, the threaded rod 342 drives the threaded sleeve 322 to move, and the threaded sleeve 322 drives the movable seat 321 to move.

[0039] In addition, a plurality of semicircular protrusions are arranged in a ring array on the outer side of the movable seat 321, a plurality of semicircular grooves are opened in a ring array on the inner wall of the shell 310, the semicircular protrusions are embedded in the semicircular grooves, which ensures the stability of the movable seat 321 when moving up and down.

[0040] The working principle and use process of the utility model: when using, the pump main body 110 starts, the water flow enters the inner chamber of the cylinder 220 through the water guide pipe 231, then enters the inside of the annular filter screen 260 under the action of the water guide base 221, after filtering through the annular filter screen 260, the impurities accumulate in the inside of the annular filter screen 260, the water flow passes through the annular filter screen 260 and enters the water inlet pipe 210 along the mesh plate 242, enters the pump main body 110 through the water inlet pipe 210, and under the action of the pump main body 110, is sent out through the water outlet pipe 120, when the impurities in the annular filter screen 260 are too much to affect the water inlet efficiency, the flow sensor 232 detects that the water flow in the water guide pipe 231 is lower than the set value, that is, it can be judged that the annular filter screen 260 is blocked, at this time, the motor 341 is started, the motor 341 rotates to drive the threaded rod 342 to rotate, the threaded rod 342 rotates to drive the threaded sleeve 322 to move downwards, the threaded sleeve 322 moves downwards to drive the movable seat 321 to move downwards, the connecting pipe 350 is exposed, at the same time, the movable seat 321 moves downwards to drive the conical seat 332 to move downwards through the round rod 331, the inner convex annular seat 241 is opened, the inner chamber of the annular filter screen 260 and the blow-off pipe 250 are communicated, at this time, the water flow in the water outlet pipe 120 is sent into the inner chamber of the shell 310 through the connecting pipe 350, then the water flow enters the inner chamber of the cylinder 220 through the second through hole 3211 on the movable seat 321, under the action of the water flow, the impurities in the annular filter screen 260 are washed out along the blow-off pipe 250, that is, the cleaning of the impurities in the annular filter screen 260 can be completed.

[0041] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A vertical centrifugal water pump comprising: The utility model relates to a pump, which comprises a main body (100), a filtering mechanism (200) and a cleaning mechanism (300), wherein the main body (100) comprises a pump main body (110) and a water outlet pipe (120) installed on one side of the pump main body (110). The filtering mechanism (200) comprises a water inlet pipe (210) installed on one side of the pump main body (110), a cylinder (220) installed on the water inlet pipe (210) and in communication with the water inlet pipe (210), a water guide (230) installed on one side of the cylinder (220) and in communication with the inner cavity of the cylinder (220), a flow distribution seat (240) fixed on the inner wall of the cylinder (220), a sewage pipe (250) with one end fixed on the bottom end of the flow distribution seat (240) and the other end extending out of the water inlet pipe (210), and an annular filter screen (260) installed on the top end of the flow distribution seat (240). The cleaning mechanism (300) comprises a shell (310) installed on the top end of the cylinder (220) and in communication with the inner cavity of the cylinder (220), a sealing seat (320) movably arranged in the inner cavity of the shell (310), a closure (330) fixed on the bottom end of the sealing seat (320) and penetrating through the flow distribution seat (240), a driving element (340) installed on the top end of the shell (310) and extending into the sealing seat (320), and a connecting pipe (350) with one end in communication with the water outlet pipe (120) and the other end in communication with the shell (310).

2. A vertical centrifugal water pump according to claim 1, characterized in that The water guide (230) comprises a water guide pipe (231) installed on one side of the cylinder (220) and in communication with the inner cavity of the cylinder (220), and a flow sensor (232) installed on the water guide pipe (231) and extending into the inner cavity of the water guide pipe (231).

3. A vertical centrifugal water pump according to claim 1, characterized in that The inner wall of the cylinder (220) is fixed with a flow guide seat (221), the bottom end of the annular filter screen (260) is fixed with the flow distribution seat (240), and the top end is fixed with the bottom end of the flow guide seat (221).

4. A vertical centrifugal water pump according to claim 1, characterized in that The flow distribution seat (240) comprises a mesh plate (242) fixed on the inner wall of the cylinder (220) and an inner convex annular seat (241) fixed on the inner side of the mesh plate (242), and a plurality of first through holes (2421) are arranged in an annular array on the mesh plate (242).

5. A vertical centrifugal water pump according to claim 1, characterized in that The sealing seat (320) comprises a movable seat (321) movably arranged in the inner cavity of the shell (310) and a threaded sleeve (322) fixed on the top end of the movable seat (321), and a plurality of second through holes (3211) are arranged in an annular array on the movable seat (321).

6. A vertical centrifugal water pump according to claim 5, characterized in that The closure (330) comprises a round rod (331) with one end fixed on the bottom end of the movable seat (321) and the other end penetrating through the flow distribution seat (240), and a conical seat (332) fixed on the bottom end of the round rod (331).

7. A vertical centrifugal water pump according to claim 5, characterized in that The driving element (340) comprises a motor (341) installed on the top end of the shell (310) and a threaded rod (342) fixed on the shaft of the motor (341) and extending into the threaded sleeve (322), and the threaded rod (342) and the threaded sleeve (322) are in engagement with each other.

8. A vertical centrifugal water pump according to claim 5, characterized in that The outer side of the movable seat (321) is provided with a plurality of semicircular protrusions in a ring array, and the inner wall of the shell (310) is provided with a plurality of semicircular grooves in a ring array, the semicircular protrusions being embedded in the semicircular grooves.

Images