CN219101604U

CN219101604U - Horizontal centrifugal pump

Info

Publication number: CN219101604U
Application number: CN202223561678.6U
Authority: CN
Inventors: 赵周天
Original assignee: Suzhou Jiana Fluid Technology Co ltd
Current assignee: Suzhou Jiana Fluid Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a horizontal centrifugal pump, which relates to the technical field of horizontal centrifuges and comprises a base, wherein a centrifugal pump is arranged at the top end of the base, a water outlet is formed in one side of the centrifugal pump, a water inlet is formed in the top end of the centrifugal pump, a water draining component is arranged at the top end of the water inlet, the water draining component comprises a first draining cylinder which is fixed on the end face of the water inlet and is communicated with the water inlet, a second draining cylinder is arranged above the first draining cylinder, a telescopic rod is arranged on the end face of the top end of the water inlet, a transverse plate is arranged at the top end of the telescopic rod, a filter screen is fixedly connected to the outer wall of the transverse plate, and an arc plate is fixedly arranged on the outer wall of the filter screen. According to the utility model, the filter screen is arranged, so that water flow entering the centrifugal pump can be further filtered, and therefore, residual impurities in the water are filtered, so that damage of the impurities to impeller blades is prevented, the service life of the centrifugal pump is effectively prolonged, and the maintenance cost is reduced.

Description

Horizontal centrifugal pump

Technical Field

The utility model relates to the technical field of horizontal centrifugal pumps, in particular to a horizontal centrifugal pump.

Background

The centrifugal pump is designed according to the centrifugal force principle, and the impeller blades rotating at high speed drive water to rotate so as to throw out the water, thereby achieving the purpose of conveying; centrifugal pumps are various, and can be divided into civil and industrial pumps from the use aspect; the conveying medium can be divided into a clean water pump, an impurity pump, a corrosion-resistant pump and the like.

For a horizontal centrifugal pump used for conveying impurities on the market, although impurities in impurity water flow are removed before conveying, part of impurities are still mixed in the water flow, when impeller blades inside the centrifugal pump are in a high-speed rotating state, hard impurities can damage the impeller blades when contacting with the impeller blades, so that the impeller blades are damaged, the whole centrifugal pump is damaged, the service life of the horizontal centrifugal machine is shortened, and meanwhile, the maintenance cost is increased.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a horizontal centrifugal pump to solve the technical problems mentioned in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a horizontal centrifugal pump, includes the base, the centrifugal pump is installed on the top of base, and the delivery port has been seted up to one side of centrifugal pump, the water inlet has been seted up on the top of centrifugal pump, and the top of water inlet is installed down the water subassembly, the water subassembly is including fixing a water drum down in water inlet terminal surface and with water inlet intercommunication, and the top of a water drum is provided with No. two water drums down, be connected with reset spring between the outer wall of a water drum down and No. two water drums down, the top terminal surface of water inlet is provided with the telescopic link, and the diaphragm is installed on the top of telescopic link, the outer wall fixedly connected with filter screen of diaphragm, and the outer wall of filter screen is fixed with the circular arc board, the block has all been fixed with on the top and the bottom of circular arc board, and has all seted up the block chamber in the inner wall of a water drum down, no. two water drums down.

Through adopting above-mentioned technical scheme, realize the further filter effect to rivers to prevent that impurity from getting into in the centrifugal pump and causing the destruction to impeller blade, promoted the life of centrifugal pump and reduced maintenance cost.

The utility model further provides that nuts are fixed on the outer walls of the first water draining cylinder and the second water draining cylinder, and fastening bolts which are matched with the two groups of nuts are arranged in the nuts on the outer wall of the second water draining cylinder.

By adopting the technical scheme, the fastening and sealing effects on the joint of the filter screen are achieved.

The utility model is further arranged that the inner wall of the second water outlet barrel is fixedly provided with a water baffle which extends downwards, and the end face of the bottom end of the water baffle is attached to the end face of the filter screen.

Through adopting above-mentioned technical scheme, play the water-proof effects to filter screen junction.

The utility model is further arranged that the inner diameter and the width of the arc plate are the same as the inner diameter and the wall thickness of the first water draining cylinder and the second water draining cylinder, and the outer wall of the clamping block is matched with the inner wall of the clamping cavity.

Through adopting above-mentioned technical scheme, play the block connection effect of auxiliary filter screen.

The telescopic rod is further arranged in the utility model, the telescopic rod is composed of a fixed end and a telescopic end, the fixed end is fixedly connected to the end face of the water inlet, and the telescopic end is rotatably connected with the transverse plate through a bearing.

Through adopting above-mentioned technical scheme, play the effect that supplementary filter screen rotated and block is connected.

In summary, the utility model has the following advantages:

1. according to the utility model, the filter screen is arranged, so that water flow entering the centrifugal pump can be further filtered, and impurities remained in the water are filtered, so that damage of the impurities to impeller blades is prevented, the service life of the centrifugal pump is effectively prolonged, and the maintenance cost is reduced;

2. according to the utility model, the telescopic rod, the transverse plate, the circular arc plate, the clamping block, the clamping cavity, the water baffle and the fastening bolt are arranged, when the filter screen is replaced and cleaned, the fastening bolt is rotated, so that the fastening connection state of the first water draining cylinder and the second water draining cylinder is relieved, the second water draining cylinder can pop up one end distance under the action of the reset spring, at the moment, the filter screen loses the extrusion effect of the second water draining cylinder, the circular arc plate on the outer wall of the second water draining cylinder can move upwards under the reset action of the telescopic rod, namely, the filter screen can also move upwards, and then the second filter screen is rotated to the position of the first filter screen, so that the replacement of the first filter screen can be completed, the filter screen is convenient and quick, the replaced filter screen can be cleaned in the use process of the centrifugal pump, the work of the centrifugal pump can not be delayed, and the work efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a filter structure according to the present utility model;

FIG. 3 is a schematic view of a filter screen according to the present utility model;

FIG. 4 is a schematic view of a water leakage preventing structure according to the present utility model.

In the figure: 1. a base; 2. a centrifugal pump; 3. a water outlet; 4. a water inlet; 5. a launch assembly; 501. a first water draining cylinder; 502. a second water draining cylinder; 6. a telescopic rod; 7. a cross plate; 8. a filter screen; 9. an arc plate; 10. a clamping block; 11. a clamping cavity; 12. a fastening bolt; 13. and a water baffle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-4, including a base 1, a centrifugal pump 2 is installed at the top end of the base 1, a water outlet 3 is provided at one side of the centrifugal pump 2, a water inlet 4 is provided at the top end of the centrifugal pump 2, a water outlet component 5 is installed at the top end of the water inlet 4, the water outlet component 5 includes a first water outlet cylinder 501 fixed at the end face of the water inlet 4 and communicated with the water inlet 4, a second water outlet cylinder 502 is arranged above the first water outlet cylinder 501, a reset spring is connected between the first water outlet cylinder 501 and the outer wall of the second water outlet cylinder 502, nuts are fixed on the outer walls of the first water outlet cylinder 501 and the second water outlet cylinder 502, fastening bolts 12 which are matched with the two groups of nuts are arranged in the nuts on the outer wall of the second water outlet cylinder 502, through the fastening effect of the fastening bolts 12 and the nuts, realize the effect of the fastening connection of a lower water drum 501, a lower water drum 502, promote the leakproofness after a lower water drum 501, a lower water drum 502 connect, the top terminal surface of water inlet 4 is provided with telescopic link 6, and diaphragm 7 is installed on the top of telescopic link 6, the outer wall fixedly connected with filter screen 8 of diaphragm 7, and the outer wall of filter screen 8 is fixed with circular arc board 9, the top and the bottom of circular arc board 9 all are fixed with block 10, and a lower water drum 501, a lower water drum 502's inner wall has all offered block chamber 11, the internal diameter, the width of circular arc board 9 are the same with a lower water drum 501, a lower water drum 502's internal diameter, the wall thickness is all the same, the outer wall of block 10 and the inner wall of block chamber 11 agree with, realize auxiliary filter screen 8 and lower water drum's block connection effect.

Referring to fig. 2 and 4, a water baffle 13 extending downward is fixed on the inner wall of the second water draining cylinder 502, and the end face of the bottom end of the water baffle 13 is attached to the end face of the filter screen 8, so that the water baffle 13 can play a role in guiding water flow, and further achieve a waterproof effect on the junction of the first water draining cylinder 501, the second water draining cylinder 502 and the filter screen 8.

Referring to fig. 2, the telescopic rod 6 is composed of a fixed end and a telescopic end, the fixed end is fixedly connected to the end face of the water inlet 4, the telescopic end is rotatably connected with the transverse plate 7 through a bearing, and the telescopic rod 6 can drive the filter screen 8 to move up and down, so that the function of installing the auxiliary filter screen 8 is realized.

The working principle of the utility model is as follows: firstly, a water outlet 3 of a centrifugal pump 2 and a second water outlet cylinder 502 are connected with water pipes, and the pumping effect on water flow can be realized by starting the centrifugal pump 2;

furthermore, before the water flow enters the centrifugal pump 2, the water flow firstly enters the second water outlet cylinder 502, and under the action of the filter screen 8 on the inner wall of the second water outlet cylinder 502, the water flow entering the centrifugal pump 2 can be further filtered, residual impurities in the water are filtered, the damage of the impurities to impeller blades is prevented, the service life of the centrifugal pump 2 is effectively prolonged, and the maintenance cost is reduced;

in addition, when the filter screen 8 needs to be replaced and cleaned, the fastening bolt 12 is rotated, so that the fastening connection state of the first water draining cylinder 501 and the second water draining cylinder 502 is released, the second water draining cylinder 502 can be upwards ejected out for a distance under the action of the reset spring, at the moment, the arc plate 9 loses the extrusion effect of the second water draining cylinder 502, the arc plate 9 on the outer wall of the filter screen 8 can upwards move under the reset action of the telescopic rod 6, namely the filter screen 8 can also upwards move, and then the second filter screen 8 is rotated to the position of the first filter screen 8, so that the replacement of the filter screen 8 can be completed, the replacement of the filter screen 8 is convenient and quick, the replacement filter screen 8 can be cleaned again in the use process of the centrifugal pump 2, the work of the centrifugal pump 2 can not be delayed, and the work efficiency of the centrifugal pump 2 is improved;

notably, after the first water draining cylinder 501 and the second water draining cylinder 502 are clamped and connected with the circular arc plate 9, the first water draining cylinder 501 and the second water draining cylinder 502 can be fastened through the fastening bolts 12, so that the sealing performance of the joint of the first water draining cylinder 501, the second water draining cylinder 502 and the circular arc plate 9 is guaranteed, in addition, the water baffle 13 can play a guiding effect on water flow when water is fed, the sealing performance of the joint of the first water draining cylinder 501, the second water draining cylinder 502 and the circular arc plate 9 is further improved, and the water leakage preventing effect is achieved.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. A horizontal centrifugal pump comprising a base (1), characterized in that: the utility model discloses a centrifugal pump, including base (1), centrifugal pump (2) are installed on the top of base (1), and delivery port (3) have been seted up on one side of centrifugal pump (2), water inlet (4) have been seted up on the top of centrifugal pump (2), and water inlet (4) install lower subassembly (5) on the top, lower subassembly (5) including fixing in water inlet (4) terminal surface and with a water inlet (4) intercommunication's a lower water drum (501), and the top of a lower water drum (501) is provided with No. two lower water drum (502), be connected with reset spring between the outer wall of a lower water drum (501) and No. two lower water drum (502), the terminal surface of the top of water inlet (4) is provided with telescopic link (6), and diaphragm (7) are installed on the top of telescopic link (6), the outer wall fixedly connected with filter screen (8) of diaphragm (7), and the outer wall of filter screen (8) are fixed with circular arc board (9), top and bottom all are fixed with block (10), and a lower water drum (501) and No. two lower water drum (502) open in the inner wall of a lower water drum (502) and all open.

2. A horizontal centrifugal pump according to claim 1, wherein: the outer walls of the first water draining cylinder (501) and the second water draining cylinder (502) are respectively fixed with nuts, and fastening bolts (12) which are matched with the two groups of nuts are arranged in the nuts on the outer wall of the second water draining cylinder (502).

3. A horizontal centrifugal pump according to claim 1, wherein: the inner wall of the second water outlet barrel (502) is fixedly provided with a water baffle (13) which extends downwards, and the end face of the bottom end of the water baffle (13) is attached to the end face of the filter screen (8).

4. A horizontal centrifugal pump according to claim 1, wherein: the inner diameter and the width of the arc plate (9) are the same as the inner diameter and the wall thickness of the first water draining cylinder (501) and the second water draining cylinder (502).

5. A horizontal centrifugal pump according to claim 1, wherein: the outer wall of the clamping block (10) is matched with the inner wall of the clamping cavity (11).

6. A horizontal centrifugal pump according to claim 1, wherein: the telescopic rod (6) is composed of a fixed end and a telescopic end, the fixed end is fixedly connected to the end face of the water inlet (4), and the telescopic end is rotatably connected with the transverse plate (7) through a bearing.