CN213039520U

CN213039520U - Floating impeller assembly and water pump thereof

Info

Publication number: CN213039520U
Application number: CN202021142719.6U
Authority: CN
Inventors: 赵海兵
Original assignee: Helanfus Pump Industry Co ltd
Current assignee: Helanfus Pump Industry Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-23
Anticipated expiration: 2030-06-18

Abstract

The utility model relates to a floating impeller subassembly and water pump is refered in particular to in water pump accessory technical field, including fixing diversion disc and impeller in the pump body, the impeller passes through the main shaft and realizes and the assembly between the diversion disc, water outlet port department of diversion disc upper end is provided with the wear pad, the impeller rotates and sets up in the diversion disc upper end, and the inlet channel is become with the impeller cylindricality to the diversion ring that sets up on the impeller, and the activity is provided with the floating ring on the outer wall of inlet channel, and the terminal surface of floating ring and the movable butt of wear pad terminal surface, the radial setting of the relative main shaft of wear pad is in water outlet port department. The utility model discloses can solve between the two because of the impurity card between the two for take place wearing and tearing between the two, cause the wearing and tearing or the damage of the water outlet port of impeller post and flow guide disc, influence impeller and flow guide disc, and the concentricity between the main shaft, cause the shake of impeller, shortened impeller assembly's life simultaneously owing to block the impeller, make it can not rotate, the problem of the motor damage that causes.

Description

Floating impeller assembly and water pump thereof

Technical Field

The utility model relates to a water pump accessory technical field refers in particular to a floating impeller subassembly and water pump thereof.

Background

Water pumps are machines that deliver or pressurize a liquid. The impeller pump mainly comprises an impeller assembly, a pump shell, a pump shaft, a bearing, a packing sealing device and other parts.

The impeller assembly of the existing water pump generally comprises a flow guiding disc and an impeller, and the design structure of the existing flow guiding disc is generally shown in Chinese patent 2014103296248, which discloses a flow guiding disc of a multi-stage impeller centrifugal pump, the disk seat is divided into an upper chamber and a lower chamber by a middle partition plate, water passing through holes penetrating the upper chamber and the lower chamber are uniformly distributed around the periphery of the middle partition plate, each water passing through hole is correspondingly provided with a flow baffle plate, the flow baffle plates are positioned on the bottom surface of the lower chamber, one end of the baffle plate extends to the inner side wall of the lower chamber, a water inlet opening is formed between the other end of the baffle plate and the adjacent baffle plate, the baffle plates jointly enclose an impeller accommodating chamber, the bottom surface of the upper cavity is uniformly and circularly distributed with flow guide ribs, a water passing through hole is correspondingly arranged between every two adjacent flow guide ribs, and the cover disc is connected with the opening edge of the upper cavity in a sealing way.

The existing impeller component is often doped with silt or small stones and the like in the actual use process, the silt or the small stones can enter the impeller component, and in the relation of an assembly structure between the impeller components, the silt or the small stones are clamped between the flow guide disc and the impeller, so that the abrasion or the damage of the water outlet ports of the impeller column and the flow guide disc is caused, the impeller and the flow guide disc are influenced, the concentricity between the impeller column and the main shaft is caused, the impeller is shaken, the service life of the impeller component is shortened, even the impeller is clamped, the impeller cannot rotate, the motor is clamped, and the motor is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a floating impeller subassembly and water pump thereof, through the improvement to mounting structure between the impeller subassembly, increase the floating ring, floating ring cooperation wear pad, realize the installation between impeller and the flow guide disc, solve between the two because of the impurity card between the two, make wearing and tearing take place between the two, cause the wearing and tearing or the damage of the water outlet port of impeller post and flow guide disc, influence impeller and flow guide disc, and the concentricity between the main shaft, cause the shake of impeller, shortened the life of impeller subassembly simultaneously owing to block the impeller, make it can not rotate, the problem of the motor damage that causes.

The purpose of the utility model is realized like this:

the utility model provides a floating impeller subassembly, is including fixing guiding disk and impeller in the pump body, the impeller pass through the main shaft realize with the guiding disk between the assembly, the outlet port department of guiding disk upper end is provided with wear pad, the impeller rotates and sets up in the guiding disk upper end, and the inlet channel is become with the impeller cylindricality to the water conservancy diversion ring that sets up on the impeller, and the activity is provided with the floating ring on inlet channel's the outer wall, and the terminal surface and the wear pad terminal surface activity butt of floating ring.

Preferably, the wear plate is arranged at the water outlet port in a radial direction of the main shaft.

Preferably, the floating ring is made of soft materials.

Preferably, the edge of the water outlet port of the diversion disc is arranged in a concave manner, and forms a mounting groove for mounting the floating ring with the wear-resistant sheet.

Preferably, the lower end of the floating ring is provided with an annular boss, and the annular boss is in movable contact with the side face of the wear-resistant plate.

Preferably, an installation cavity for installing an impeller is formed at the lower end of the flow guide disc, and a first gap for passing liquid and moving the impeller is formed between the impeller in the installation cavity and the installation cavity.

Preferably, the edge of the through hole of the flow guiding disc is recessed inwards and is arranged obliquely.

Preferably, the edge of the through hole is smoothly transited with the deflector.

Preferably, the wear-resistant plate is made of metal.

A water pump with a floating type impeller assembly comprises a pump body, a driving part and the floating type impeller assembly, wherein the driving part is arranged in the pump body, the floating type impeller assembly is arranged in the pump body, the driving part drives a main shaft to rotate, and the main shaft drives the floating type impeller assembly to work to absorb water.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a redesign impeller subassembly, increase the floating ring, set up the wear pad simultaneously in the delivery port department of flow guide plate, set up the floating ring on the flow guide ring of impeller during the installation, assembly back floating ring and wear pad swing joint. During operation floating ring can float from top to bottom between wear-resisting piece and impeller, with radial friction, changes into the friction of floating from top to bottom between floating ring and the flow guide disc, can effectually reduce the friction damage between impurity and impeller and the flow guide disc, guarantees the concentricity of impeller and flow guide disc, prevents the condition of shake, guarantees the life of impeller subassembly.

2. The utility model discloses a floating ring's setting can replace the impeller, follows the wear pad friction, can guarantee the integrality of impeller and the leakproofness between the impeller subassembly, guarantees the effect of absorbing water of impeller subassembly, and then guarantees the lift and the flow of water pump.

3. The utility model discloses a wear pad level sets up in water outlet port department, and the floating ring that sets up on the water conservancy diversion ring of cooperation impeller realizes the friction of fluctuation, can adjust the clearance between, makes things convenient for passing through of impurity, alleviates and the impeller subassembly between the friction, delays the wearing and tearing speed of impeller subassembly, guarantees life.

4. The utility model discloses an impeller subassembly wearing and tearing back, only need change the floating ring can, can not change new impeller and guiding disc, can save the cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the structure of the present invention.

Fig. 3 is an enlarged view of the area a of fig. 2.

Fig. 4 is one of the explosion diagrams of the present invention.

Fig. 5 is a second explosion diagram of the present invention.

Reference numerals: 1-a flow guiding disc; 2-an impeller; 3-a water outlet port; 4-wear resistant sheet; 5-a flow guide ring; 6-a floating ring; 7-mounting grooves; 8-an annular boss; 9-a through hole; 10-mounting a cavity; 11-a groove; 12-an impeller column; 13-a main shaft; 14-gap.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a floating impeller assembly includes a flow guiding disc 1 and an impeller 2, the flow guiding disc 1 is hollow and provided with blades, a flow guiding groove is formed between the blades and the flow guiding disc 1, the upper end surface of the flow guiding disc 1 is recessed downward to form a groove 11 for mounting the impeller 2, the upper end surface of the flow guiding disc 1 is provided with a water outlet 3, the edge of the water outlet 3 is recessed inward, the edge of the water outlet 3 is provided with a wear-resistant sheet 4, the wear-resistant sheet 4 is designed as a sheet-shaped ring, and the wear-resistant sheet 4 is radially arranged relative to a main shaft;

the edge of the water outlet port 3 and the wear-resistant sheet 4 form a mounting groove 7, the lower end of the impeller 2 is provided with a flow guide ring 5, the middle part of the impeller is provided with an impeller column 12, a liquid inlet channel is formed between the impeller column 12 and the flow guide ring 5 and used for guiding liquid into the impeller, and the outer wall of the flow guide ring 5 is movably sleeved with a floating ring 6;

when the impeller is installed, the floating ring 6 is installed in the installation groove 7, then the guide ring 5 penetrates through the floating ring 6 in the process that the impeller 2 is assembled in the groove 11, and then the impeller is installed.

In the current design, impurity is along with rivers entering impeller 2's in-process, and impurity can enter into between water outlet 3 and the water conservancy diversion ring 5, along with impeller 2's rotation, causes wearing and tearing to water conservancy diversion ring 5, still can cause wearing and tearing to impeller 2's impeller column 12 simultaneously, can lead to being connected unstably between impeller 2 and the main shaft 13 under the serious condition, produces easily during the rotation and rocks, influences the axiality, causes the damage of impeller 2 subassembly easily.

And this application is in the course of the work, when the normal during operation of impeller 2 subassembly, rivers pass through after the flow guide disc 1 collects, flow out from water outlet port 3, enter into impeller 2 along guide ring 5, because wear pad 4 is the level setting, it is very little with the contact of guide ring 5, can not produce serious wearing and tearing, when impurity enters into impeller 2 and flow guide disc 1's water outlet port 3 department, the regulation of floating ring 6 can fluctuate, let impurity not of uniform size pass through fast, with this wearing and tearing that alleviate impeller 2, thereby guarantee impeller 2's life and avoid the emergence because of the condition of rocking that wearing and tearing produced.

As shown in fig. 5, an annular boss 8 is provided at the lower end of the floating ring 6, the side surface of the annular boss 8 is in movable contact with the inner ring of the wear-resistant plate 4, and the annular boss 8 is designed to facilitate the installation of the impeller 2 and the installation and positioning of the floating ring 6 and the water outlet 3 of the diversion plate 1; on one hand, the concentricity between the impeller column 12 of the impeller 2 and the flow guide disc 1 is restrained by the annular boss 8 and the wear-resistant sheet 4, so that the mounting precision is ensured.

A through-hole 9 is seted up at the middle part of the lower terminal surface of guiding disc 1, the edge of through-hole 9 is sunken and the slope sets up to the inside of guiding disc 1, the setting of through-hole 9 is mainly for the passing of convenient main shaft 13, the edge slope sets up mainly for the area in the clearance between reduction and the impeller post 12, alleviate the wearing and tearing of impurity to guiding disc 1 main part and impeller post 12 of through-hole 9 department, thereby guarantee the integrality of impeller post 12, guarantee that impeller 2 can not take place fixed unstability because of the wearing and tearing of impeller post 12, the problem of the shake during rotation, and then guarantee the life of impeller 2 subassembly.

The lower end face of the flow guide disc 1 is provided with a mounting cavity 10 in a forming mode, the mounting cavity 10 can be used for mounting other impellers 2, a first gap 14 exists between the impellers 2 and the end portion of the mounting cavity, the first gap 14 is used for passing liquid and sand, and when the impellers rotate, small-amplitude shaking can exist, so that the first gap 14 can provide shaking space for the impellers 2, and normal work of the impellers is guaranteed. The floating type impeller 2 component can be applied to a multi-stage water pump, so that the service life of the multi-stage water pump is guaranteed.

Meanwhile, the through hole 9 and the flow guide disc are in smooth transition, namely arc-shaped arrangement, so that the design is mainly used for ensuring the smoothness and the flatness in the gap, unnecessary kinetic energy loss is reduced when liquid flows, and the kinetic energy of the liquid of the impeller assembly is ensured.

The floating ring 6 is made of soft materials, such as rubber, TPE and the like, the contact between impurities and the floating piece is balanced by using the characteristics of the materials, the abrasion of the impurities to the floating piece is reduced by using the elasticity and the deformation of the soft materials, and the service life of the floating piece is ensured.

The wear-resistant plate 4 is made of metal, such as iron, aluminum or other alloys, and the purpose of the metal is to ensure the service life, because the wear-resistant plate 4 is fixed at the water outlet 3 of the deflector 1 and cannot be detached, the wear-resistant plate 4 is made of metal to ensure the service life, and the wear-resistant property of the metal is utilized.

The utility model provides a water pump with floating impeller subassembly, includes the pump body, is provided with driving piece and foretell floating impeller subassembly in the pump body, and the driving piece can adopt the motor, and main shaft 13 is connected to the driving piece, and the driving piece drives impeller subassembly work through the main shaft, combines the pump body to carry out the operation of absorbing water.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a floating impeller subassembly, is including fixing in the pump body guiding plate (1) and impeller (2), and impeller (2) are realized and guiding plate (1) between the assembly through main shaft (13), its characterized in that:

a wear-resistant sheet (4) is arranged at the water outlet port (3) at the upper end of the flow guide disc (1),

the impeller (2) is rotatably arranged at the upper end of the guide disc (1), a guide ring (5) arranged on the impeller (2) and an impeller column (12) form a liquid inlet channel, a floating ring (6) is movably arranged on the outer wall of the liquid inlet channel, and the end face of the floating ring (6) is movably abutted to the end face of the wear-resistant piece.

2. A floating impeller assembly as claimed in claim 1, wherein: the wear-resistant plate (4) is radially arranged at the water outlet port (3).

3. A floating impeller assembly as claimed in claim 1, wherein: the floating ring (6) is made of soft materials.

4. A floating impeller assembly as claimed in claim 1 or 2, characterized in that: the edge of the water outlet port (3) of the flow guide disc (1) is arranged in a concave manner, and an installation groove (7) for installing the floating ring (6) is formed by the flow guide disc and the wear-resistant sheet (4).

5. A floating impeller assembly as claimed in claim 1 or 3, characterized in that: the lower end of the floating ring (6) is provided with an annular boss (8), and the annular boss (8) is movably contacted with the side surface of the wear-resistant sheet (4).

6. A floating impeller assembly as claimed in claim 1, wherein: the lower end of the flow guide disc (1) is provided with a mounting cavity (10) for mounting the impeller (2), and a first gap (14) for passing liquid and moving the impeller is arranged between the impeller in the mounting cavity and the mounting cavity.

7. A floating impeller assembly as claimed in claim 6, wherein: the edge of the through hole (9) of the flow guide disc (1) is inwards sunken and is obliquely arranged.

8. A floating impeller assembly as claimed in claim 7, wherein: and the edge of the through hole is in smooth transition with the flow guide disc.

9. A floating impeller assembly as claimed in claim 1, wherein: the wear-resistant sheet (4) is made of metal.

10. A water pump having a floating impeller assembly, characterized by: comprising a pump body, a driving member in the pump body and a floating impeller assembly as claimed in any one of claims 1 to 9, wherein the driving member drives a main shaft to rotate, and the main shaft drives the floating impeller assembly to work for water absorption.