CN212296992U - Centrifugal pump with protection device - Google Patents

Abstract

The utility model belongs to the centrifugal pump field, especially, take protection device's centrifugal pump is not convenient for carry out the dismouting to current protection device, is not convenient for overhaul the problem to the motor on the centrifugal pump, proposes following scheme now, and it includes the base, the top fixedly connected with pump body and the motor of base are connected with same even pipe between the pump body and the motor, and the top contact of base has the bottom to set up the open-ended safety cover, and the bottom welding of safety cover has four locating plates, and four constant head tanks have been seted up at the top of base, and the locating plate clamps with the constant head tank, and the top welding of base has the board of putting, has seted up even hole on putting the board, even manages fixed mounting in even hole, and one side of safety cover has been seted up the bottom and has set up open-ended adaptation groove. The utility model discloses the practicality is good, is convenient for protect the motor, improves the life of motor to be convenient for carry out the dismouting to the safety cover, the convenience is overhauld the motor.

Description

Centrifugal pump with protection device

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a take protection device's centrifugal pump.

Background

Centrifugal pumps rely on the action of rotating impellers on the fluid to transfer the mechanical energy of the prime mover to the fluid. Because the speed energy and the pressure energy of the liquid are increased in the process that the liquid flows from the inlet to the outlet of the impeller under the action of the centrifugal pump, most of the speed energy of the liquid discharged by the impeller passes through the extrusion chamber and is converted into the pressure energy, and then the liquid is conveyed out along the discharge pipeline, at the moment, the inlet of the impeller forms vacuum or low pressure due to the discharge of the liquid, the liquid in the water suction pool is pressed into the inlet of the impeller under the action of the liquid level pressure (atmospheric pressure), and then the rotating impeller continuously sucks and discharges the liquid, thereby achieving the purpose of increasing and conveying the liquid; the motor of centrifugal pump on need protecting through protection device to the centrifugal pump after the installation, improves the life of motor, but present protection device is not convenient for carry out the dismouting, is not convenient for overhaul the motor on the centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing protection device in the prior art is not convenient to disassemble and assemble, is not convenient to overhaul the motor on the centrifugal pump, and provides a centrifugal pump with the protection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a centrifugal pump with a protection device comprises a base, wherein a pump body and a motor are fixedly connected to the top of the base, a connecting pipe is connected between the pump body and the motor, the top of the base is contacted with a protective cover with an opening at the bottom, four positioning plates are welded at the bottom of the protective cover, four positioning grooves are formed in the top of the base, the positioning plates are clamped with the positioning grooves, a placing plate is welded at the top of the base, a connecting hole is formed in the placing plate, the connecting pipe is fixedly arranged in the connecting hole, an adaptive groove with an opening at the bottom is formed in one side of the protective cover, the placing plate is clamped with the adaptive groove, a U-shaped plate is welded at the top of the protective cover, an operating plate is slidably installed in the U-shaped plate, a plurality of first springs are welded at the top of the operating plate, the top ends of the first springs are welded on the inner wall, sliding mounting has the slide in the spout, and the other end and the slide fixed connection of guide rope have same second spring in the welding between one side inner wall of slide and spout, and the welding of the top of slide has the restriction board, and the welding of top one side of base has the vertical plate, and the restriction groove has been seted up to one side of vertical plate, and the restriction board clamps with the restriction groove mutually.

Preferably, the inner walls of the two sides of the U-shaped plate are welded with baffle plates, the bottom of the operating plate is in contact with the top of the baffle plates, and the operating plate is limited.

Preferably, a winding wheel is fixedly connected to the inner wall of one side of the U-shaped plate, and the guide rope is in contact with the outer side of the winding wheel.

Preferably, one side of the U-shaped plate is provided with a rope hole, and the other end of the guide rope penetrates through the rope hole.

Preferably, the number of the first springs is three, and the three first springs are arranged at equal intervals, so that the operation plate can be restored to the original position.

Preferably, be provided with the sealing washer on the lateral wall of constant head tank, the inboard sliding seal contact of locating plate and sealing washer improves the stability that the locating plate card was gone into in the constant head tank.

Has the advantages that: the utility model provides a take protection device's centrifugal pump, can effectually protect the motor through setting up the safety cover, improve the life of motor, when needs overhaul the motor, the pulling operation panel, the first spring of operation panel extrusion, the operation panel drives the rope guide and removes, the rope guide drives the slide and removes, slide extrusion second spring, make the limiting plate shift out the restriction groove, remove the fixed to the safety cover, directly take out the safety cover this moment, make the locating plate shift out the constant head tank, the convenience is overhauld the motor this moment.

The utility model discloses the practicality is good, is convenient for protect the motor, improves the life of motor to be convenient for carry out the dismouting to the safety cover, the convenience is overhauld the motor.

Drawings

Fig. 1 is a schematic structural view of a centrifugal pump with a protection device according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a centrifugal pump with a protector according to the present invention;

fig. 3 is a schematic side view of the connection portion between the protection cover and the placing plate of the centrifugal pump with the protection device of the present invention.

In the figure: 1. a base; 2. a pump body; 3. a motor; 4. connecting pipes; 5. a protective cover; 6. positioning a plate; 7. placing a plate; 8. a U-shaped plate; 9. an operation panel; 10. a first spring; 11. guiding a rope; 12. a slide plate; 13. a second spring; 14. a limiting plate; 15. a vertical plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a centrifugal pump with a protection device comprises a base 1, a pump body 2 and a motor 3 are fixedly connected to the top of the base 1, a same connecting pipe 4 is connected between the pump body 2 and the motor 3, a protective cover 5 with an opening at the bottom is contacted with the top of the base 1, four positioning plates 6 are welded at the bottom of the protective cover 5, four positioning grooves are arranged at the top of the base 1, the positioning plates 6 are clamped with the positioning grooves, a placing plate is welded at the top of the base 1 and provided with connecting holes, the connecting pipe 4 is fixedly arranged in the connecting holes, an adapting groove with an opening at the bottom is arranged at one side of the protective cover 5, the placing plate is clamped with the adapting groove, a U-shaped plate 8 is welded at the top of the protective cover 5, an operating plate 9 is slidably arranged in the U-shaped plate 8, a plurality of first springs 10 are welded at the top of the operating plate 9, the bottom fixedly connected with of operation panel 9 leads the one end of rope 11, the spout has been seted up at the top of safety cover 5, slidable mounting has slide 12 in the spout, lead the other end and slide 12 fixed connection of rope 11, the welding has same second spring 13 between one side inner wall of slide 12 and spout, the welding of slide 12's top has limiting plate 14, the welding of base 1's top one side has vertical plate 15, the restriction groove has been seted up to one side of vertical plate 15, limiting plate 14 clamps with the restriction groove mutually.

In this embodiment, all weld on the both sides inner wall of U template 8 has the baffle, and the bottom of operation panel 9 contacts with the top of baffle, carries out spacing processing to operation panel 9.

In this embodiment, a reel is fixedly connected to the inner wall of one side of the U-shaped plate 8, and the guide rope 11 contacts with the outer side of the reel.

In this embodiment, a rope hole is opened to one side of U-shaped plate 8, and the other end of guide rope 11 runs through the rope hole.

In this embodiment, the number of the first springs 10 is three, and the three first springs 10 are disposed at equal intervals, so that the operation plate 9 can be restored to the original position.

In this embodiment, be provided with the sealing washer on the lateral wall of constant head tank, the inboard sliding seal contact of locating plate 6 and sealing washer improves the stability that 6 cards of locating plate go into in the constant head tank.

The utility model discloses in, during the use, can effectually protect motor 3 through setting up safety cover 5, improve motor 3's life, when needs overhaul motor 3, pulling operation panel 9, operation panel 9 extrudees first spring 10, operation panel 9 drives guide rope 11 and removes, guide rope 11 drives slide 12 and removes, slide 12 extrudes second spring 13, slide 12 drives limiting plate 14 and removes, make limiting plate 14 shift out the restriction groove, remove the fixed to safety cover 5, directly take out safety cover 5 this moment, make locating plate 6 shift out the constant head tank, the convenience overhauls motor 3 this moment.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a take protection device's centrifugal pump, includes base (1), the top fixedly connected with pump body (2) and motor (3) of base (1), be connected with same connecting pipe (4), its characterized in that between the pump body (2) and motor (3): the top of the base (1) is contacted with a protective cover (5) with an opening arranged at the bottom, four positioning plates (6) are welded at the bottom of the protective cover (5), four positioning grooves are arranged at the top of the base (1), the positioning plates (6) are clamped with the positioning grooves, a placing plate is welded at the top of the base (1), a connecting hole is arranged on the placing plate, a connecting pipe (4) is fixedly arranged in the connecting hole, an adaptive groove with an opening arranged at the bottom is arranged at one side of the protective cover (5), the placing plate is clamped with the adaptive groove, a U-shaped plate (8) is welded at the top of the protective cover (5), an operating plate (9) is arranged in the U-shaped plate (8) in a sliding manner, a plurality of first springs (10) are welded at the top of the operating plate (9), the top ends of the first springs (10) are welded on the inner wall of the top of the U-shaped plate (8, the spout has been seted up at the top of safety cover (5), slidable mounting has slide (12) in the spout, the other end and slide (12) fixed connection of guide rope (11), the welding has same second spring (13) between one side inner wall of slide (12) and spout, the welding of the top of slide (12) has limiting plate (14), the welding of top one side of base (1) has vertical plate (15), the restriction groove has been seted up to one side of vertical plate (15), limiting plate (14) clamp with the restriction groove mutually.

2. The centrifugal pump with the protecting device according to the claim 1, characterized in that the inner wall of the two sides of the U-shaped plate (8) is welded with a baffle plate, and the bottom of the operating plate (9) is contacted with the top of the baffle plate.

3. The centrifugal pump with protector as claimed in any one of claims 1 or 2, characterized in that a reel is fixedly connected to one side of the inner wall of the U-shaped plate (8), and the guide rope (11) is in contact with the outer side of the reel.

4. The centrifugal pump with the protection device according to claim 1, wherein one side of the U-shaped plate (8) is provided with a rope hole, and the other end of the guide rope (11) penetrates through the rope hole.

5. Centrifugal pump with protection according to claim 1, characterized in that the number of said first springs (10) is three and three first springs (10) are arranged at equal intervals.

6. Centrifugal pump with protection according to claim 1, characterized in that the side walls of the positioning groove are provided with sealing rings, the positioning plate (6) being in sliding sealing contact with the inner sides of the sealing rings.

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