CN113090533A

CN113090533A - Centrifugal pump

Info

Publication number: CN113090533A
Application number: CN202110385216.4A
Authority: CN
Inventors: 毛永乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-07-09

Abstract

The invention discloses a centrifugal pump, and relates to the technical field of centrifugal pumps. The centrifugal pump comprises a base, wherein a pump body and a driving motor are fixed at the top of the base, a water inlet port is fixed on the front side of the pump body, the interior of the water inlet port is communicated with the interior of the pump body, a water outlet port is fixed at the top of the left side of the pump body, and the interior of the water outlet port is communicated with the interior of the pump body. This centrifugal pump, because impeller and arc blade drive the inside water of pump body when rotating, the centrifugal force that the gravel and sand of aquatic received can make gravel and sand approach pump body inner wall, collect the baffle through setting up in the cleaning device left side and can utilize its inside water pressure of pump body working process to collect the gravel and sand of aquatic, this gravel and sand can stop under the cooperation of filter plate and arc barrier plate and store inside the collection device, and can not exert an influence to the pressurization effect of centrifugal pump, thereby can realize carrying out accurate screening to the gravel and sand of aquatic, prevent gravel and sand fast movement and exert an influence to the raceway inner wall.

Description

Centrifugal pump

Technical Field

The invention relates to the technical field of centrifugal pumps, in particular to a centrifugal pump.

Background

Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. 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 rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

The existing centrifugal pump is in the process of conveying liquid, partial sand and stones may exist in the liquid, and the sand and stones can rapidly move in the water conveying pipe after being pressurized at a high speed by the centrifugal pump, so that a large number of scratches are generated on the inner wall of the water conveying pipe, and the service life of the water conveying pipe is further shortened.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a centrifugal pump that solves the problems set forth in the background art above.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a centrifugal pump, includes the base, the base top is fixed with the pump body and driving motor, pump body front side is fixed with the port of intaking, the inside and the inside intercommunication of the pump body of the port of intaking, pump body left side top is fixed with the port of giving vent to anger, the inside and the inside intercommunication of the pump body of the port of giving vent to anger, the inside impeller that is provided with of the pump body, the impeller rear side is fixed with the driving motor output shaft, and the front side is fixed with a plurality of arc blades, pump body inner wall right side is fixed with collection device, collection device is triangle-shaped form and both sides are the arcwall face, and the bottom is equipped with the opening.

Preferably, in order to make the sand and stone enter the collecting device by utilizing the water pressure inside the pump body, a hollowed part is arranged on the left side of the collecting device, the hollowed part on the left side of the collecting device is rotatably connected with the collecting guide plate, the top, the bottom, the front side and the rear side of the collecting guide plate are attached to the hollowed part on the left side of the collecting device, the length of the collecting guide plate below the joint of the collecting device and the collecting guide plate is greater than the length of the collecting guide plate above the joint of the collecting device and the collecting guide plate, and the right side of the bottom of the collecting guide plate is connected with the inner wall of the collecting.

Preferably, in order to store the gravel and sand inside the collection device, it is fixed with cowl one to collect baffle bottom right side, the left side of cowl bottom is laminated with collection device inner wall left side, the laminating of cowl bottom and filter plate top, the filter plate left side is articulated with the collection device, and elastic component and collection device inner wall connection are passed through to the bottom, filter plate right side top is provided with the arc barrier plate, the arc barrier plate is towards the upper left corner protrusion and keep away from the one end of filter plate fixed with collection device inner wall right side.

Preferably, for stopping and collecting the left gravel and sand of collection device, it is fixed with cowl two to collect baffle top left side, the laminating of two top right sides of cowl and collection device outer wall left side, one side that cowl two are close to collection device is sunken side, two sunken sides of cowl are fixed with the cooperation location axle.

Preferably, in order to improve the guide effect of the cooperation location axle to gravel and sand, run through between the both sides around the cooperation location axle and seted up the cooperation recess, the cooperation recess is located cooperation location axle right side, the one end top that cowl two was kept away from to the cooperation location axle is articulated with supplementary slurcam center department.

Preferably, in order to improve the sand and stone collecting effect of the matching positioning shaft, the right side of the part of the collecting guide plate above the joint of the collecting device and the collecting guide plate is fixed with a bending auxiliary thin strip.

(III) advantageous effects

The invention provides a centrifugal pump. The method has the following beneficial effects:

(1) this centrifugal pump, because impeller and arc blade drive the inside water of pump body when rotating, the centrifugal force that the gravel and sand of aquatic received can make gravel and sand approach pump body inner wall, collect the baffle through setting up in the cleaning device left side and can utilize its inside water pressure of pump body working process to collect the gravel and sand of aquatic, this gravel and sand can stop under the cooperation of filter plate and arc stop plate and store inside the collection device, and can not exert an influence to the pressurization effect of centrifugal pump, thereby can realize carrying out accurate screening to the gravel and sand of aquatic, prevent gravel and sand fast movement and exert an influence to the raceway inner wall.

(2) This centrifugal pump, when the pump body shut down, the pressure of the inside water of the pump body to collecting the baffle disappears, it resets to collect the baffle, and the gravel and sand that filter plate and arc blockked that the board can break away from collection device automatically under the inclined plane effect of filter plate and arc blockking board, and gravel and sand can be in this centrifugal pump next time operation initial stage exhaust water, and because the centrifugal pump initial stage exhaust water pressure is less, the water velocity is slower, so the influence of exhaust gravel and sand to raceway inner wall is less.

(3) This centrifugal pump, through setting up the rotation that cooperation location axle and cooperation recess can utilize the collection baffle and form certain clearance between the collection device, make the volume less, little granule gravel and sand that influences the raceway life-span break away from collection device, the volume is great, get into collection device to the great large granule gravel and sand of raceway life-span influence and store, can improve collection device's storage capacity, correspondingly, when using this centrifugal pump for a long time, more storage large granule gravel and sand can reduce the wearing and tearing to the raceway inner wall.

(4) This centrifugal pump not only can break up the conglobate gravel and sand that adheres to each other in order to improve collection device collection volume through setting up crooked supplementary thin strip, can also utilize the collision between the supplementary thin strip of gravel and sand and crooked to make the vibration of cooperation location axle, and this vibration can be so that the gravel and sand that cooperation location axle blockked produces the removal, improves gravel and sand entering collection device's speed.

(5) This centrifugal pump can utilize rivers to play reverse promotion effect to keeping away from the gravel and sand of collecting the baffle through setting up supplementary slurcam, ensures that gravel and sand can get into inside the collection device, has improved the direction effect of cooperation location axle to gravel and sand.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is an overall multi-angle three-dimensional semi-sectional view of the present invention;

FIG. 3 is a perspective cross-sectional view of the collection device of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the front plan view of the positioning shaft of the present invention.

In the figure: the device comprises a base 1, a pump body 2, a water inlet port 21, a water outlet port 22, an impeller 23, arc-shaped blades 231, a driving motor 3, a collecting device 4, a collecting guide plate 41, an arc-shaped baffle I411, an arc-shaped baffle II 412, a matching positioning shaft 413, a 4131 matching groove, an auxiliary pushing plate 414, a bending auxiliary thin strip 415, a filter plate 42 and an arc-shaped blocking plate 43.

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. 1-5, the present invention provides a technical solution: the utility model provides a centrifugal pump, the on-line screen storage device comprises a base 1, 1 top of base is fixed with the pump body 2 and driving

motor

3, 2 front sides of the pump body are fixed with intake port 21, intake port 21 inside and 2 inside intercommunications of the pump body, 2 left side tops of the pump body are fixed with outlet port 22, outlet port 22 inside and 2 inside intercommunications of the pump body, 2 inside impeller 23 that are provided with of the pump body, impeller 23 rear side is fixed with driving motor 3 output shafts, the front side is fixed with a plurality of

arc blade

231, 2 inner wall right sides of the pump body are fixed with collection device 4, collection device 4 is triangle-shaped and both sides are the arcwall face, the bottom is equipped with the opening, collection.

Preferably, in this embodiment, in order to make sand and stone enter the collecting device 4 by using the water pressure inside the pump body 2, the left side of the collecting device 4 is provided with a hollowed portion, the hollowed portion on the left side of the collecting device 4 is rotatably connected with the collecting guide plate 41, the top, the bottom, the front side and the rear side of the collecting guide plate 41 are all attached to the hollowed portion on the left side of the collecting device 4, the length of the collecting guide plate 41 at the joint of the collecting device 4 and the collecting guide plate 41 is greater than the length of the collecting guide plate 41 at the joint of the collecting device 4 and the collecting guide plate 41, and the right side of the bottom of the collecting guide plate 41 is connected with.

Preferably, in this embodiment, in order to store the gravel and sand inside the collection device 4, the first arc baffle 411 is fixed on the right side of the bottom of the collection guide plate 41, the left side of the bottom of the first arc baffle 411 is attached to the left side of the inner wall of the collection device 4, the bottom of the first arc baffle 411 is attached to the top of the filter plate 42, the left side of the filter plate 42 is hinged to the collection device 4, the bottom of the filter plate 42 is connected to the inner wall of the collection device 4 through an elastic member, the top of the right side of the filter plate 42 is provided with an arc-shaped blocking plate 43, and one end, protruding towards the upper.

Preferably, in this embodiment, in order to block and collect the gravel and sand on the left side of the collecting device 4, the second arc-shaped baffle 412 is fixed on the left side of the top of the collecting guide plate 41, the right side of the top end of the second arc-shaped baffle 412 is attached to the left side of the outer wall of the collecting device 4, one side of the second arc-shaped baffle 412, which is close to the collecting device 4, is a concave side, and the concave side of the second arc-shaped baffle 412 is fixed with the matching positioning shaft.

Preferably, in order to improve the guiding effect of the matching positioning shaft 413 on the gravel and sand, in this embodiment, a matching groove 4131 is formed between the front side and the rear side of the matching positioning shaft 413 in a penetrating manner, the matching groove 4131 is located on the right side of the matching positioning shaft 413, and the top of one end of the matching positioning shaft 413, which is far away from the second arc-shaped baffle 412, is hinged to the center of the auxiliary pushing plate 414.

Preferably, in the present embodiment, in order to improve the effect of the engagement positioning shaft 413 on the collection of the sand and the stone, a bending auxiliary thin strip 415 is fixed to the right side of the portion of the collection guide 41 located above the connection point of the collection device 4 and the collection guide 41.

The working principle is as follows: the water inlet pipe is connected with the water inlet port 21, the water delivery pipe is connected with the water outlet port 22, the switch of the driving motor 3 is turned on, the output shaft of the driving motor 3 drives the impeller 23 to rotate clockwise, the arc-shaped blades 231 on the impeller 23 can push water flow to rotate, when the water flow rotates rapidly in the pump body 2, the sand and stone in the water have larger mass and the centrifugal force is larger, so the sand and stone can approach the inner wall of the pump body 2 and slide along the inner wall of the pump body 2, and the water flow can generate larger pressure to the inner wall of the pump body 2 when rotating in the pump body 2, the pressure can enable the collecting guide plate 41 to rotate, and due to the special arrangement of the length of the collecting guide plate 41, the parts of the collecting guide plate 41, which are positioned at the two ends of the connection part of the collecting device 4 and the collecting guide plate 41, are stressed unevenly, the collecting guide plate 41 rotates anticlockwise, the first arc-shaped, the water flow passing through the inner wall of the water pump 2 enters the inside of the collection device 4 under the guiding action of the left side of the collection device 4 and the right side of the top of the collection guide plate 41, and when the water flow passes through the filter plate 42, sand and stones stay at the tops of the filter plate 42 and the arc-shaped blocking plate 43, when the collection guide plate 41 rotates, the matching positioning shaft 413 rotates along with the water flow, and a certain gap is formed between the matching groove 4131 and the solid part at the left side of the collection device 4, so that small sand and stones slide down along the left side of the collection device 4, large sand and stones stop, when the water flow and the sand and stones move inside the collection device 4, the bent auxiliary thin strips 415 are collided, the massive sand and stones are scattered by the bent auxiliary thin strips 415, and the bent auxiliary thin strips 415 vibrate during the collision, the vibration is transmitted to the matching positioning shaft 413 through the collection guide plate 41, and the large sand and stones can move on, when the sand and stones on the matching positioning shaft 413 move to the auxiliary pushing plate 414, the auxiliary pushing plate 414 is pushed to rotate to an inclined state, and under the action of water flow, the auxiliary pushing plate 414 is rapidly pushed to reset, and the thrust generated by the reset pushes the sand and stones to the left hollowed part of the collecting device 4 and enter the collecting device 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centrifugal pump, comprising a base (1), characterized in that: the utility model discloses a pump body, including base (1), pump body (2), water inlet port (21) inside and the inside intercommunication of pump body (2), pump body (2) left side top is fixed with water outlet port (22), water outlet port (22) inside and the inside intercommunication of pump body (2), the inside impeller (23) that is provided with of pump body (2), impeller (23) rear side is fixed with driving motor (3) output shaft, and the front side is fixed with a plurality of arc blade (231), pump body (2) inner wall right side is fixed with collection device (4), collection device (4) are the triangle-shaped and both sides are the arcwall face, and the bottom is equipped with the opening, collection device (4) left side is interior concavity.

2. A centrifugal pump according to claim 1, characterized in that: the collecting device is characterized in that a hollowed-out part is arranged on the left side of the collecting device (4), the left hollowed-out part of the collecting device (4) is rotatably connected with the collecting guide plate (41), the top, the bottom, the front side and the rear side of the collecting guide plate (41) are attached to the left hollowed-out part of the collecting device (4), the length of the collecting guide plate (41) below the joint of the collecting device (4) and the collecting guide plate (41) is larger than the length of the collecting guide plate (41) above the joint of the collecting device (4), and the right side of the bottom of the collecting guide plate (41) is connected with the inner wall of the collecting device (4) through an elastic piece.

3. A centrifugal pump according to claim 2, characterized in that: collect baffle (41) bottom right side and be fixed with cowl (411), cowl (411) bottom left side and collection device (4) inner wall left side laminating, cowl (411) bottom and filter plate (42) top laminating, filter plate (42) left side is articulated with collection device (4), and the bottom is passed through elastic component and collection device (4) inner wall connection, filter plate (42) right side top is provided with the arc and blocks board (43), the arc blocks board (43) and fixes towards the upper left corner protrusion and keep away from the one end of filter plate (42) and collection device (4) inner wall right side.

4. A centrifugal pump according to claim 2, characterized in that: collect baffle (41) top left side and be fixed with cowl two (412), the laminating on one side of cowl two (412) top right side and collection device (4) outer wall left side, one side that cowl two (412) are close to collection device (4) is sunken side, cowl two (412) sunken side is fixed with cooperation location axle (413).

5. A centrifugal pump according to claim 4, characterized in that: a matching groove (4131) penetrates through the front side and the rear side of the matching positioning shaft (413), the matching groove (4131) is located on the right side of the matching positioning shaft (413), and the top of one end, far away from the arc-shaped baffle plate II (412), of the matching positioning shaft (413) is hinged to the center of the auxiliary pushing plate (414).

6. A centrifugal pump according to claim 2, characterized in that: the right side of the part of the collecting guide plate (41) positioned at the joint of the collecting device (4) and the collecting guide plate (41) is fixed with a bent auxiliary thin strip (415).