CN213711416U

CN213711416U - Centrifugal pump impeller structure

Info

Publication number: CN213711416U
Application number: CN202021437383.6U
Authority: CN
Inventors: 黄川�
Original assignee: Ningxia Yuntai Technology Co ltd
Current assignee: Ningxia Yuntai Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-07-16
Anticipated expiration: 2030-07-20

Abstract

The utility model belongs to the technical field of centrifugal pumps, especially, centrifugal pump impeller structure, including fixed disk and a plurality of blade, fixedly connected with annular plate on the outer wall of fixed disk, be equipped with the ring channel on the outer wall of annular plate, the circumference equidistance sliding connection has elastic sliding block on the inner wall of ring channel, and a plurality of elastic sliding block's one end all fixedly connected with blade, elastic sliding block's the other end is equipped with the recess, and the inside of recess is provided with elastic mechanism, elastic mechanism's bottom is provided with the post of inserting, and the outer wall both sides of inserting the post all are fixed with elasticity and press the post, and the one end of elasticity and press the post is connected; the utility model discloses be convenient for install the blade, can be appropriate increase or reduce the quantity of blade, adjust the clearance between the blade, reasonable in design, angle of adjusting a plurality of blades that can be nimble, it is with low costs, be fit for promoting.

Description

Centrifugal pump impeller structure

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a centrifugal pump impeller structure.

Background

The impeller is the core component of the pump, and can make water obtain kinetic energy to generate flow. The impeller is composed of blades, a cover plate and a hub, and when the impeller material is selected, the mechanical strength under the action of centrifugal force is considered, and the wear resistance and the corrosion resistance of the material are also considered. Most impellers are currently made of cast iron, cast steel and bronze.

The impeller on the present centrifugal pump can not adjust the inclination angle of the blades, therefore, when the flow direction of the inclination angle of the impeller is adjusted to adjust the whole impeller, the existing impeller can not be satisfied, the existing impeller is mostly of a fixed structure, the blades and the fixed disk are welded together, the gap between the blades can not be adjusted, the flexibility is poor, and the requirement of a user can not be satisfied.

In order to solve the problems, the application provides a centrifugal pump impeller structure.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a centrifugal pump impeller structure has and is convenient for install the blade, and the quantity that can suitable increase or reduce the blade adjusts the clearance between the blade, reasonable in design, the angle of a plurality of blades of regulation that can be nimble, with low costs, the characteristics that are fit for promoting.

(II) technical scheme

In order to solve the problem, the utility model provides a centrifugal pump impeller structure, including fixed disk and a plurality of blade, fixedly connected with annular slab on the outer wall of fixed disk, be equipped with the ring channel on the outer wall of annular slab, circumference equidistance sliding connection has elastic sliding block, a plurality of on the inner wall of ring channel the equal fixedly connected with blade of one end of elastic sliding block, elastic sliding block's the other end is equipped with the recess, and the inside of recess is provided with elastic mechanism, elastic mechanism's bottom is provided with inserts the post, and the outer wall both sides of inserting the post all are fixed with elasticity and press the post, and the one end that elasticity pressed the post is connected with inserts a section of thick.

Preferably, the front of fixed disk is equipped with circumference equidistance and is equipped with a plurality of installing ports, and the welding has on the inner wall of a plurality of installing ports to insert a section of thick bamboo, the lower extreme activity of inserting the post sets up in the inside of inserting a section of thick bamboo, and the quantity of a plurality of installing ports equals with a plurality of quantity of inserting a section of thick bamboo.

Preferably, insert on the inner wall of a section of thick bamboo circumference equidistance and be equipped with spacing hole, the one end of two elasticity pressing posts all runs through spacing hole and extends to the outside of inserting a section of thick bamboo, elastic mechanism includes spring and movable block, and the top of spring is fixed with the roof case of recess, and the bottom fixedly connected with movable block of spring, the top of elasticity pressing post welds with the bottom of movable block mutually.

Preferably, a plurality of mounting holes are formed in the fixed disc at equal intervals in the circumferential direction, the fixed disc is connected with an end plate through the mounting holes and the locking bolts, and the front end of the end plate is movably arranged on the rear wall of the fixed disc.

Preferably, the centers of the fixed disc and the end plate are provided with through holes, and bearings are arranged in the through holes.

Preferably, a channel is formed between adjacent blades, and a plurality of channels form a vortex structure.

Preferably, the number of the plurality of limiting holes is four to twenty, and the diameter of the limiting holes is matched with that of the elastic pressing columns.

The above technical scheme of the utility model has following profitable technological effect:

through being provided with elastic sliding block, the ring channel, insert the post, a spring, insert a section of thick bamboo, spring pressing post and spacing hole, be convenient for install the blade, elastic sliding block can slide in the inside of ring channel, can be appropriate increase or reduce the quantity of blade, adjust the clearance between the blade, it is convenient to adjust, the flexibility is strong, elastic sliding block can rotate in the inside of inserting a section of thick bamboo with inserting the post, conveniently change the angle of a plurality of blades, through the angle modulation to the blade, increase the impulsive force of fluid flow direction, can improve the rotatory effect of blade, through being provided with end plate and a plurality of locking bolt, can take off fixed disk and a plurality of blade simultaneously, conveniently change a plurality of blades simultaneously, it is convenient to change, stability when rotatory has been increased, and reasonable design, the angle of a plurality of blades of regulation that can be nimble, and is low in cost, and is suitable.

Drawings

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

FIG. 2 is a schematic structural view of the present invention with reduced middle blades;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is a schematic view of the connection between the insertion tube and the insertion post of the present invention.

In the figure: 1. fixing the disc; 2. an annular plate; 3. an annular groove; 4. a blade; 5. inserting a cylinder; 6. inserting a column; 7. A resilient press post; 8. a movable block; 9. a groove; 10. an elastic slider; 11. a spring; 12. a limiting hole; 13. mounting holes; 14. and an end plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a centrifugal pump impeller structure, including fixed disk 1 and a plurality of blade 4, fixedly connected with annular slab 2 on the outer wall of fixed disk 1, be equipped with ring channel 3 on the outer wall of annular slab 2, circumference equidistance sliding connection has elastic sliding block 10, and is a plurality of on the inner wall of ring channel 3 the equal fixedly connected with blade 4 of one end of elastic sliding block 10, elastic sliding block 10's the other end is equipped with recess 9, and the inside of recess 9 is provided with elastic mechanism, elastic mechanism's bottom is provided with inserts post 6, and the outer wall both sides of inserting post 6 all are fixed with elasticity and press post 7, and the one end that elasticity pressed post 7 is connected with inserts a section of thick bamboo 5.

In this embodiment, it should be explained that the front of fixed disk 1 is equipped with circumference equidistance and is equipped with a plurality of installing ports, and the welding has on the inner wall of a plurality of installing ports to insert a section of thick bamboo 5, the lower extreme activity of inserting post 6 sets up in the inside of inserting a section of thick bamboo 5, and the quantity of a plurality of installing ports equals with a plurality of quantity of inserting a section of thick bamboo 5, circumference equidistance is equipped with spacing hole 12 on the inner wall of inserting a section of thick bamboo 5, and spacing hole 12 is all run through to the one end of two elasticity pressing post 7 and extends to the outside of inserting a section of thick bamboo 5, elastic mechanism includes spring 11 and movable block 8, and the top of spring 11 is fixed with the roof case of recess 9, and the bottom fixedly connected with movable block 8 of spring 11, elasticity is pressed post 7.

It should be further explained that, can press elasticity through the installing port and press post 7 for elasticity is pressed post 7 and is entered into the inside of inserting a section of thick bamboo 5, has further realized inserting the rotation of post 6, and when blade 4 rotated different angles, elasticity was pressed post 7 and is entered into the inside of different spacing holes 12, has realized adjusting the angle of blade 4.

In this embodiment, it should be noted that a plurality of mounting holes 13 are equidistantly arranged in the circumferential direction on the fixed disk 1, the fixed disk 1 is connected to an end plate 14 through the plurality of mounting holes 13 and the locking bolts, and the front end of the end plate 14 is movably arranged with the rear wall of the fixed disk 1.

It should be further explained that, through loosening a plurality of locking bolts between fixed disk 1 and the end plate 4, can take off fixed disk 1 and a plurality of blade 4 simultaneously, conveniently change a plurality of blade 4 simultaneously, it is convenient to change, fixes through a plurality of locking bolts between fixed disk 1 and the end plate 4, has increased the stability when rotatory.

In this embodiment, it should be noted that through holes are formed in the centers of the fixed disk 1 and the end plate 14, bearings are disposed in the through holes, channels are formed between adjacent blades 4, and the plurality of channels form a vortex structure.

It should be further explained that the rotating shaft on the centrifugal pump is connected with the inner wall of the through hole through a bearing, and the rotating shaft drives the fixed disc 1 and the plurality of blades 4 to rotate through the bearing when rotating.

In this embodiment, it should be noted that the number of the plurality of limiting holes 12 is four to twenty, and the diameter of the limiting hole 12 matches with the diameter of the elastic pressing column 7.

It should be further noted that when the spring pressing column 7 rotates to any position, the spring pressing column 7 can enter the limiting hole 12 on the insertion tube 5.

The working principle is as follows: when the device is used, firstly, the elastic sliding block 10 is inserted into the annular groove 3, the inserting column 6 enters the inserting barrel 5 under the elastic action of the spring 11, the inserting column 6 drives the spring pressing column 7 to enter the limiting hole 12 when moving, so that the blades 4 are convenient to mount, the elastic sliding block 10 can slide in the annular groove 3, the number of the blades 4 can be properly increased or decreased, so that the gap between the blades 4 can be adjusted, the adjustment is convenient, the flexibility is strong, meanwhile, the spring pressing column 7 enters the inserting barrel 5 by extruding the spring pressing column 7, the blades 4 are rotated to drive the elastic sliding block 4 and the inserting column 6 to rotate, so that the spring pressing column 7 enters the limiting holes 12 at different positions, the angles of a plurality of the blades 4 are convenient to change, the impact force of the flow direction of fluid is increased by adjusting the angles of the blades 4, can improve the rotatory effect of blade, through loosening a plurality of locking bolts between fixed disk 1 and the end plate 4, can take off fixed disk 1 and a plurality of blade 4 simultaneously, conveniently change a plurality of blade 4 simultaneously, it is convenient to change, fix through a plurality of locking bolts between fixed disk 1 and the end plate 4, stability when having increased the rotation, reasonable in design, the angle of a plurality of blades 4 of regulation that can be nimble, it is with low costs, be fit for promoting.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a centrifugal pump impeller structure, includes fixed disk (1) and a plurality of blade (4), its characterized in that, fixedly connected with annular slab (2) on the outer wall of fixed disk (1), be equipped with ring channel (3) on the outer wall of annular slab (2), circumference equidistance sliding connection has elastic sliding block (10), and is a plurality of on the inner wall of ring channel (3) the equal fixedly connected with blade (4) of one end of elastic sliding block (10), the other end of elastic sliding block (10) is equipped with recess (9), and the inside of recess (9) is provided with elastic mechanism, elastic mechanism's bottom is provided with inserts post (6), and the outer wall both sides of inserting post (6) all are fixed with elasticity and press post (7), and the one end that elasticity pressed post (7) is connected with inserts a section of thick bamboo (5).

2. A centrifugal pump impeller structure according to claim 1, characterized in that the front face of the fixed disk (1) is provided with a plurality of mounting ports at equal intervals in the circumferential direction, the inner walls of the plurality of mounting ports are welded with the inserting cylinders (5), the lower ends of the inserting columns (6) are movably arranged in the inserting cylinders (5), and the number of the plurality of mounting ports is equal to the number of the plurality of inserting cylinders (5).

3. The centrifugal pump impeller structure according to claim 1, wherein the inner wall of the insertion barrel (5) is provided with limit holes (12) at equal intervals in the circumferential direction, one ends of the two elastic pressing columns (7) extend to the outside of the insertion barrel (5) through the limit holes (12), the elastic mechanism comprises a spring (11) and a movable block (8), the top end of the spring (11) is fixed with the top wall box of the groove (9), the bottom end of the spring (11) is fixedly connected with the movable block (8), and the top end of the elastic pressing column (7) is welded with the bottom of the movable block (8).

4. A centrifugal pump impeller structure according to claim 1, characterized in that the fixed disk (1) is provided with a plurality of mounting holes (13) at equal intervals in the circumferential direction, the fixed disk (1) is connected with an end plate (14) through the plurality of mounting holes (13) and locking bolts, and the front end of the end plate (14) is movably arranged with the rear wall of the fixed disk (1).

5. A centrifugal pump impeller structure according to claim 1, characterized in that the centers of the fixed disk (1) and the end plate (14) are provided with through holes in which bearings are provided.

6. A centrifugal pump impeller structure according to claim 1, characterized in that channels are formed between adjacent vanes (4), and a plurality of the channels constitute a vortex structure.

7. A centrifugal pump impeller structure according to claim 3, characterized in that the number of the plural limiting holes (12) is four to twenty, and the diameter of the limiting holes (12) matches the diameter of the elastic pressing column (7).