CN219570346U - Energy-saving anti-blocking wear-resistant pump - Google Patents

Abstract

The utility model relates to the technical field of pumps and discloses an energy-saving anti-blocking wear-resistant pump, which comprises a base, wherein a pump shell, a middle support and a motor are coaxially fixed on the base in sequence, a water inlet and a water outlet are arranged on the pump shell, a pump cover is arranged on one side of the pump shell, which faces towards the motor, a pump cavity is formed between the pump cover and the pump shell, an output shaft of the motor points to the direction of the pump shell and is fixedly connected with a pump shaft, the pump shaft extends into the pump cavity and is provided with an impeller and a plurality of blades, and the blades are arranged between the impeller and the water inlet.

Description

Energy-saving anti-blocking wear-resistant pump

Technical Field

The utility model relates to the technical field of pumps, in particular to an energy-saving anti-blocking wear-resistant pump.

Background

The overflow part of the wear-resistant pump is cast by adopting the high-chromium wear-resistant alloy with abrasion resistance, has the characteristics of high efficiency, energy conservation, wear resistance, reliable operation and the like, is suitable for conveying mortar, slag and the like with strong abrasion containing solid particles, has the conveyed solid-liquid mixing concentration of 60 percent, and is ideal sand pumping and sand conveying equipment.

At present, when the abrasion-resistant pump in the market is large in sucked particulate matters, the blockage is easy to occur, and meanwhile, solid particles in the conveyed fluid can enter the pump body to cause abrasion of the pump shaft or bond the pump shaft and the inner cavity, so that the service life of the abrasion-resistant pump is shortened, and the use cost is increased.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an energy-saving anti-blocking wear-resistant pump which can crush oversized solid particles and prevent fine particles from entering a pump body.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an energy-conserving anti-blocking wear-resisting pump, includes the base, coaxial pump case, middle support and the motor of being fixed with in proper order on the base, be provided with water inlet and delivery port on the pump case, the pump cover is installed towards one side of motor to the pump case, form the pump chamber between pump cover and the pump case, the direction of the directional pump case of the output shaft of motor to fixedly connected with pump shaft, the pump shaft extends to the pump intracavity to install impeller and a plurality of blade, a plurality of the blade sets up between impeller and water inlet.

The utility model is further provided with: the middle support is installed on the pump shaft, a rotary shaft sleeve is fixedly connected to the pump shaft, threads are arranged on the outer wall of the rotary shaft sleeve, and the rotation direction of the threads is the same as that of the pump shaft.

The utility model is further provided with: the pump shaft is fixedly provided with a positioning sleeve, the end face of the positioning sleeve facing one side of the impeller is attached to one side end face of the rotating shaft sleeve, and the end face of the other side of the rotating shaft sleeve is attached to the impeller.

The utility model is further provided with: the screw thread of the rotary shaft sleeve is rotationally connected with a stationary ring, a gland is fixed on the outer ring of the stationary ring, and the gland is fixedly connected with a pump cover.

The utility model is further provided with: the first moving ring is installed at one end of the rotary shaft sleeve in the pump cavity, the first moving ring is attached to the stationary ring, the second moving ring is installed at one end of the locating sleeve, which faces the rotary shaft sleeve, and the second moving ring is arranged on the outer ring of the rotary shaft sleeve and attached to the stationary ring.

The utility model has the advantages that:

1. the pump shaft is provided with a plurality of blades, the blades are arranged between the impeller and the water inlet, and when the abrasion-resistant pump is started, larger solid particles flow in from the water inlet and are crushed by the blades, so that the blades cannot be blocked in the impeller to form a blockage, and the maintenance frequency is reduced;

2. the gland inner ring of pump chamber is fixed with quiet ring, and quiet ring's both ends have strengthened sealing performance, and quiet ring rotates with rotatory axle sleeve to be connected, and the rotation axis cover is fixed on the pump shaft, and rotatory axle sleeve is provided with the screw thread with quiet ring contact's surface, and the screw thread revolves to the same with the revolve of pump shaft, and when wear-resisting pump started, the screw thread on rotatory axle sleeve surface constantly promotes the fluid of entering junction and tiny granule return pump chamber wherein, prevents rotatory axle sleeve of special fluid adhesion and quiet ring, has alleviateed the load of motor, has reduced the wearing and tearing of junction simultaneously, has prolonged life.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the pump body shown in FIG. 2;

FIG. 4 is an enlarged view of portion B shown in FIG. 3;

in the figure: 1. a base; 2. a motor; 3. a middle bracket; 4. a pump cover; 5. a pump housing; 6. a water inlet; 7. a water outlet; 8. a pump shaft; 9. an impeller; 10. a blade; 11. a gland; 12. a positioning sleeve; 13. rotating the shaft sleeve; 14. a first moving ring; 15. a stationary ring; 16. and a second moving ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions:

the utility model provides an energy-conserving anti-blocking wear-resisting pump, including base 1, be fixed with pump case 5 on the base 1 in proper order coaxial, middle support 3 and motor 2, the output shaft of motor 2 is directional to pump case 5, and fixedly connected with pump shaft 8, be provided with water inlet 6 and delivery port 7 on the pump case 5, pump cover 4 is installed to one side of pump case 5 towards motor 2, pump cover 4 and pump case 5 have jointly formed the pump chamber, pump shaft 8 has run through middle support 3 and pump cover 4, extend to the pump intracavity, impeller 9 and a plurality of blades 10 are installed to the part that pump shaft 8 extends to the pump intracavity, a plurality of blades 10 set up the position between impeller 9 and water inlet 6; when the wear-resistant pump works, the blade 10 is driven by the pump shaft 8 to rotate at a high speed, and larger solid particles are crushed by the blade 10 when entering along with fluid from the water inlet 6, so that the volume of the particles flowing through the impeller 9 is reduced, the flow passage of the impeller 9 is not sufficiently blocked, and the maintenance frequency is reduced.

A positioning sleeve 12 and a rotating shaft sleeve 13 are fixed on the pump shaft 8, one end of the rotating shaft sleeve 13 is attached to the impeller 9, the other end of the rotating shaft sleeve 13 is attached to the positioning sleeve 12, threads are arranged on the outer wall of the rotating shaft sleeve 13, the rotation direction of the threads is the same as that of the pump shaft 8, a gland 11 is installed on the pump cover 4, a static ring 15 is fixedly installed on the gland 11, the static ring 15 is rotationally connected with the threads on the outer side of the rotating shaft sleeve 13, a first movable ring 14 is installed at one end of the rotating shaft sleeve 13 in a pump cavity, a second movable ring 16 is installed at one end of the positioning sleeve 12 facing the rotating shaft sleeve 13, and the first movable ring 14 and the second movable ring 16 are both arranged on the outer ring of the rotating shaft sleeve 13 and are attached to two end faces of the static ring 15 respectively; the two sides of the static ring 15 are provided with double moving rings, so that the sealing performance of the pump cavity is enhanced; the rotation connection between the pump shaft 8 and the gland 11 is set to be the rotation connection of the rotating shaft sleeve 13 and the static ring 15, the service life of the pump body is prolonged, threads are arranged on the outer surface of the rotating shaft sleeve 13, which is in contact with the static ring 15, the rotation direction of the threads is the same as that of the pump shaft 8, when the wear-resistant pump works, the pump shaft 8 rotates, the threads of the rotating shaft sleeve 13 continuously push fluid between connecting surfaces and fine particles therein to return to the pump cavity, the abrasion of the connecting position is reduced, the service life is prolonged, meanwhile, when special fluid is pumped, the leaked fluid can be prevented from adhering the rotating shaft sleeve 13 and the static ring 15, the load of the motor 2 is lightened, and the energy consumption is reduced.

Specifically, a plurality of blades 10 are arranged on the pump shaft 8, the blades 10 are arranged between the impeller 9 and the water inlet 6, and when the abrasion-resistant pump is started, larger solid particles flow in from the water inlet 6 and are crushed by the blades 10, so that the blades 10 cannot be blocked in the impeller 9 to form a blockage, and the maintenance frequency is reduced;

the inner ring of the gland 11 of the pump cavity is fixed with a stationary ring 15, two ends of the stationary ring 15 are respectively provided with a first movable ring 14 and a second movable ring 16, sealing performance is enhanced, the stationary ring 15 is rotationally connected with a rotary shaft sleeve 13, the rotary shaft sleeve 13 is fixed on a pump shaft 8, threads are arranged on the surface of the rotary shaft sleeve 13, which is in contact with the stationary ring 15, the threads are in the same direction as the pump shaft 8, when the abrasion-resistant pump is started, the threads on the surface of the rotary shaft sleeve 13 continuously push fluid entering the joint and tiny particles therein to return to the pump cavity, special fluid is prevented from adhering the rotary shaft sleeve 13 and the stationary ring 15, the load of the motor 2 is reduced, the abrasion of the joint is reduced, and the service life is prolonged.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides an energy-conserving anti-blocking wear-resisting pump, includes base (1), its characterized in that: the novel water pump is characterized in that a pump shell (5), a middle support (3) and a motor (2) are coaxially fixed on the base (1) in sequence, a water inlet (6) and a water outlet (7) are formed in the pump shell (5), a pump cover (4) is installed on one side, facing the motor (2), of the pump shell (5), a pump cavity is formed between the pump cover (4) and the pump shell (5), an output shaft of the motor (2) points to the direction of the pump shell (5) and is fixedly connected with a pump shaft (8), the pump shaft (8) extends into the pump cavity and is provided with an impeller (9) and a plurality of blades (10), and the blades (10) are arranged between the impeller (9) and the water inlet (6).

2. An energy-saving anti-clogging wear pump in accordance with claim 1 wherein: the middle support (3) is installed on the pump shaft (8), a rotary shaft sleeve (13) is fixedly connected to the pump shaft (8), threads are arranged on the outer wall of the rotary shaft sleeve (13), and the rotation direction of the threads is the same as that of the pump shaft (8).

3. An energy-saving anti-clogging wear pump in accordance with claim 2 wherein: the pump is characterized in that a positioning sleeve (12) is fixed on the pump shaft (8), the end face of the positioning sleeve (12) facing one side of the impeller (9) is attached to one side end face of the rotating shaft sleeve (13), and the other side end face of the rotating shaft sleeve (13) is attached to the impeller (9).

4. An energy-saving anti-clogging wear pump in accordance with claim 3, wherein: the rotary pump is characterized in that a static ring (15) is rotationally connected to threads of the rotary shaft sleeve (13), a pressing cover (11) is fixed on the outer ring of the static ring (15), and the pressing cover (11) is fixedly connected with the pump cover (4).

5. The energy-saving anti-clogging wear resistant pump of claim 4 wherein: the one end of swivel sleeve (13) in the pump chamber is installed first rotating ring (14), first rotating ring (14) is laminated with quiet ring (15) mutually, second rotating ring (16) are installed towards one end of swivel sleeve (13) to spacer sleeve (12), second rotating ring (16) set up on the outer circle of swivel sleeve (13) and laminate mutually with quiet ring (15).