CN219081901U

CN219081901U - Centrifugal pump with energy-saving effect

Info

Publication number: CN219081901U
Application number: CN202223226021.4U
Authority: CN
Inventors: 徐兆连
Original assignee: Suzhou Jiana Fluid Technology Co ltd
Current assignee: Suzhou Jiana Fluid Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-26
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an energy-saving effect, which comprises a base, a driving motor, a suspension body and a pump body, wherein the driving motor, the suspension body and the pump body are fixedly arranged on the base; the positioning mechanism is used for fixing the knife handle on the corresponding blade. According to the utility model, the cutting mechanisms are arranged on the blades of the impeller, rotate along with the rotation of the impeller, and act relatively with water in the pump body, so that impurities in the water are chopped, and therefore, the phenomenon that the rotation of the impeller is blocked due to the fact that the impurities are wound on the pump shaft is avoided.

Description

Centrifugal pump with energy-saving effect

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an energy-saving effect.

Background

Centrifugal pumps, as their name implies, refer to pumps that utilize rotation of an impeller to cause centrifugal movement of water. Before the centrifugal 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 do high-speed rotation, the water is centrifugally moved and thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the flow channel of the volute pump shell.

In the prior art, centrifugal pumps are of various types, and can be classified into clean water pumps, impurity pumps and corrosion-resistant pumps from conveying media, and when the medium containing impurities needs to be conveyed, the impurity pumps are usually selected. In the use process of the impurity pump, flexible slender objects in the medium are easy to wind on the impeller or the pump shaft, so that the rotation of the impeller is blocked, and the energy consumption of the centrifugal pump is increased. In order to solve the problem, in the prior art, an utility model patent with publication number of CN202266481U proposes a radial double-cutting centrifugal pump, which specifically comprises a pump body, a pump shaft, an impeller, a cutting disc and a cutting knife. Wherein, cutting dish fixed connection is in the pump body, and inside impurity got into the pump body, blade and cutting groove and the cutting knife on the cutting dish cut garrulous in the twinkling of an eye through the impurity of impeller like the scissors to play the mesh of cutting impurity.

In order to achieve the impurity cutting effect, the problem that the rotation of the impeller is blocked due to the fact that the slender impurities in the medium are wound on the pump shaft is avoided, and therefore the energy consumption of the centrifugal pump is increased is solved, and based on the problem, the centrifugal pump with the energy-saving effect is provided to well solve the defects.

Disclosure of Invention

The utility model aims to provide a centrifugal pump with an energy-saving effect, which is used for solving the problems in the background technology.

The utility model is realized by the following technical scheme:

the utility model provides a centrifugal pump with energy-conserving effect, includes base and fixed mounting driving motor, suspension body and the pump body on the base, the inside of the pump body is equipped with the impeller, the impeller includes wheel piece and a plurality of blade that is the arc lamellar structure, a plurality of the blade is radial evenly distributed at the surface of rim plate piece, still includes:

the cutting mechanisms are in a plurality of numbers and correspond to the blades one by one, each cutting mechanism comprises a cutter handle and a blade, and the cutting edge of each blade points to the rotation direction of the impeller;

and the positioning mechanism is used for fixing the knife handle on the corresponding blade.

Optionally, a strip-shaped opening is formed in the blade in a penetrating manner, and the blade penetrates through the corresponding strip-shaped opening.

Optionally, the handle of a knife is arc sheet structure, the handle of a knife with blade integrated into one piece, just the handle of a knife with corresponding the blade laminating.

Optionally, the strip-shaped openings are distributed along the length direction of the corresponding blade, and the height of the strip-shaped openings is consistent with the thickness of the blade.

Optionally, the positioning mechanism includes locating piece, spacer and double-screw bolt, the locating piece with the one side laminating of handle of a knife back to the blade, the spacer runs through the blade, the one end of double-screw bolt with locating piece fixed connection, the other end of double-screw bolt run through the blade and with spacer bolted connection is fixed.

Optionally, the blade is penetrated and provided with a fastening opening, and the positioning sheet penetrates through the fastening opening and is attached to the blade.

Optionally, the handle is provided with a first through hole corresponding to the stud in a penetrating manner, the blade is provided with a second through hole corresponding to the stud in a penetrating manner, the locating piece is provided with a third through hole corresponding to the stud in a penetrating manner, and one end of the stud, far away from the locating block, sequentially penetrates through the first through hole, the second through hole and the third through hole and is screwed with a fastening nut.

Compared with the prior art, the utility model provides the centrifugal pump with the energy-saving effect, which has the following beneficial effects:

1. according to the utility model, the cutting mechanisms are arranged on the blades of the impeller, rotate along with the rotation of the impeller and act relatively with water in the pump body, so that impurities in the water are chopped, and therefore, the phenomenon that the rotation of the impeller is blocked due to the fact that the impurities are wound on the pump shaft is avoided;

2. according to the utility model, the cutter handle of the cutting mechanism is attached to the blade, the positioning piece in the positioning mechanism is attached to the blade, and the cutter handle and the positioning piece are fixedly connected with the blade, so that the stability of blade installation is improved.

Drawings

FIG. 1 is a side view of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is a schematic view of the impeller structure of the present utility model;

FIG. 4 is a schematic view of the assembly of the cutting mechanism and blade of the present utility model;

FIG. 5 is a schematic view of the assembly of the cutting mechanism and positioning mechanism of the present utility model.

In the figure: 10. a base; 20. a driving motor; 30. a suspension body; 40. a pump body; 50. an impeller; 501. a wheel disc; 502. a blade; 5021. a strip-shaped opening; 5022. a second through hole; 60. a cutting mechanism; 601. a knife handle; 6011. a first through hole; 602. a blade; 6021. a fastening opening; 70. a positioning mechanism; 701. a positioning block; 702. a positioning sheet; 7021. a third through hole; 703. a stud.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-5, a centrifugal pump with energy-saving effect includes a base 10, a driving motor 20 fixedly mounted on the base 10, a suspension body 30 and a pump body 40, wherein an impeller 50 is arranged in the pump body 40, the impeller 50 includes a disk 501 and a plurality of blades 502 having an arc-shaped sheet structure, the plurality of blades 502 are uniformly distributed on the surface of the disk 501 in a radial manner, as shown in fig. 3, and the disk 501 and the blades 502 are in an integrated structure.

The embodiment also comprises a plurality of cutting mechanisms 60, wherein the cutting mechanisms 60 are in one-to-one correspondence with the blades 502, the cutting mechanisms 60 comprise knife handles 601 and blades 602, and the cutting edges of the blades 602 point to the rotation direction of the impeller 50; specifically, the blade 502 is provided with a strip-shaped opening 5021 in a penetrating manner, the blade 602 passes through the corresponding strip-shaped opening 5021, the strip-shaped openings 5021 are distributed along the length direction of the corresponding blade 502, and the height of the strip-shaped opening 5021 is consistent with the thickness of the blade 602, namely when the blade 602 is inserted into the strip-shaped opening 5021, the front surface and the back surface of the blade 602 are attached to the inner wall of the strip-shaped opening 5021; in addition, the cutter handle 601 is of an arc-shaped sheet structure, the cutter handle 601 and the blade 602 are integrally formed, and the cutter handle 601 is attached to the corresponding blade 502; because handle of a knife 601 and blade 502 laminating each other, when consequently blade 602 receives the foreign matter impact, handle of a knife 601 can improve blade 602's stability, avoids blade 602 to shake violently.

In addition, the present embodiment further includes a positioning mechanism 70, the positioning mechanism 70 being used to fix the tool shanks 601 to the respective blades 502; specifically, the positioning mechanism 70 includes two positioning blocks 701, positioning pieces 702 and studs 703, wherein the number of the positioning blocks 701 is two, the positioning blocks 701 are attached to one surface of the knife handle 601 opposite to the blade 602, the positioning pieces 702 penetrate the blade 602, one end of each stud 703 is fixedly connected with the positioning block 701, and the other end of each stud 703 penetrates the blade 502 and is fixedly connected with the positioning piece 702 through bolts; as shown in fig. 5, each positioning block 701 is provided with two studs 703, a first through hole 6011 corresponding to the studs 703 is formed in the tool shank 601, a second through hole 5022 corresponding to the studs 703 is formed in the blade 502, a third through hole 7021 corresponding to the studs 703 is formed in the positioning plate 702 in a penetrating manner, one end, away from the positioning block 701, of the studs 703 sequentially penetrates through the first through hole 6011, the second through hole 5022 and the third through hole 7021, and fastening nuts are screwed on the studs 7021, so that the cutting mechanism 60 is fixed on the blade 502, and the stability of installation of the cutting mechanism 60 is improved.

It should be noted that, in the present embodiment, the blade 602 is provided with a fastening hole 6021, the positioning piece 702 penetrates the fastening hole 6021 and is attached to the blade 502, that is, the knife handle 601 and the positioning piece 702 are attached to two sides of the blade 502 respectively, so that the stability of the blade 602 can be improved while the blade 602 is fixed, and when the blade 602 is impacted by a foreign object, the blade 602 is not caused to shake violently.

In summary, in the embodiment, the plurality of cutting mechanisms 60 rotate along with the rotation of the impeller 50, and when the foreign matters enter the pump body 40, the strip or strip foreign matters can be cut off due to the action of the cutting mechanisms 60, so that the rotation of the impeller 40 is prevented due to the foreign matters winding on the pump shaft, thereby being beneficial to reducing the energy consumption of the centrifugal pump.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

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

Claims

1. The utility model provides a centrifugal pump with energy-conserving effect, includes base (10) and fixed mounting driving motor (20) on base (10), suspension body (30) and pump body (40), the inside of pump body (40) is equipped with impeller (50), impeller (50) are including wheel disc (501) and a plurality of blade (502) that are arc sheet structure, a plurality of blade (502) are radial evenly distributed at the surface of rim plate (501), its characterized in that still includes:

the cutting mechanisms (60) are in a number of and are in one-to-one correspondence with the blades (502), the cutting mechanisms (60) comprise cutter handles (601) and blades (602), and the cutting edges of the blades (602) point to the rotation direction of the impeller (50);

and the positioning mechanism (70) is used for fixing the cutter handle (601) on the corresponding blade (502).

2. A centrifugal pump with energy saving effect according to claim 1, characterized in that: strip-shaped openings (5021) are formed in the blades (502) in a penetrating mode, and the blades (602) penetrate through the corresponding strip-shaped openings (5021).

3. A centrifugal pump with energy saving effect according to claim 1, characterized in that: the cutter handle (601) is of an arc-shaped sheet structure, the cutter handle (601) and the blade (602) are integrally formed, and the cutter handle (601) is attached to the corresponding blade (502).

4. A centrifugal pump with energy saving effect according to claim 2, characterized in that: the strip-shaped openings (5021) are distributed along the length direction of the corresponding blade (502), and the height of the strip-shaped openings (5021) is consistent with the thickness of the blade (602).

5. A centrifugal pump with energy saving effect according to claim 1, characterized in that: positioning mechanism (70) include locating piece (701), spacer (702) and double-screw bolt (703), locating piece (701) with one side laminating that handle of a knife (601) was facing away from blade (602), spacer (702) run through blade (602), one end of double-screw bolt (703) with locating piece (701) fixed connection, the other end of double-screw bolt (703) run through blade (502) and with spacer (702) bolted connection is fixed.

6. A centrifugal pump with energy saving effect according to claim 5, characterized in that: the blade (602) is provided with a fastening opening (6021) in a penetrating mode, and the positioning piece (702) penetrates through the fastening opening (6021) and is attached to the blade (502).

7. A centrifugal pump with energy saving effect according to claim 6, characterized in that: the utility model discloses a handle of a knife, handle of a knife (601) is gone up and is run through with first through-hole (6011) corresponding to double-screw bolt (703), run through on blade (502) and be seted up with second through-hole (5022) corresponding to double-screw bolt (703), run through on spacer (702) and be seted up with third through-hole (7021) corresponding to double-screw bolt (703), the one end that locating piece (701) was kept away from to double-screw bolt (703) is passed first through-hole (6011), second through-hole (5022) and third through-hole (7021) in proper order and is screwed and has fastening nut.