CN216044601U

CN216044601U - Centrifugal blower impeller with anti-surge capacity

Info

Publication number: CN216044601U
Application number: CN202121916006.5U
Authority: CN
Inventors: 郝德华; 刘艳华; 吴玲; 林立庆
Original assignee: Jinan Fan Factory Co ltd
Current assignee: Jinan Fan Factory Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-15
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a centrifugal blower impeller with anti-surge capacity, which comprises a rotary disc fixedly connected with a motor driving end, wherein the top end of the rotary disc is provided with a plurality of fixed grooves, one side of each fixed groove is provided with a mounting groove, the inner wall of each mounting groove is fixedly connected with a fixing mechanism, one side of each fixing mechanism, which is close to the corresponding fixed groove, is attached with a fixed block, and one end, which is far away from the corresponding fixed mechanism, of each fixed block is fixedly connected with a blade.

Description

Centrifugal blower impeller with anti-surge capacity

Technical Field

The utility model relates to the field of blowers, in particular to a centrifugal blower impeller with anti-surge capacity.

Background

The working principle of the centrifugal blower is mainly that a plurality of rotating impellers are utilized to do work on gas, the kinetic energy of the gas is increased, and then the pressure of the gas is improved through the centrifugal action and the diffusion process, so that certain air volume and air pressure are achieved, and the technical effect of large-flow high-pressure air supply is achieved. The centrifugal blower mainly comprises a rotating main shaft in transmission connection with a rotating driving unit, an air inlet shell integrally installed with the rotating main shaft, an impeller installed in a middle shell, an air outlet shell and other structures, wherein the shape and the number of blades on the impeller and the shape of a blade disc are core factors determining the pneumatic efficiency of the centrifugal blower.

The blades in the existing blower are difficult to take out and replace, and only the impeller can be replaced under the condition that the blades are damaged, so that the centrifugal blower impeller with anti-surge capacity is designed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is; the blades in the blower are difficult to take out and replace, and only the impeller can be replaced when the blades are damaged.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a centrifugal blower impeller with anti surge ability, include with motor drive end fixed connection's carousel, a plurality of fixed slots have been seted up on the carousel top, the mounting groove has been seted up to fixed slot one side, mounting groove inner wall fixedly connected with fixed establishment, one side laminating that fixed establishment is close to the fixed slot has the fixed block, fixed establishment's one end fixedly connected with blade is kept away from to the fixed block.

Preferably, fixed establishment include with mounting groove fixed connection's a spacing section of thick bamboo, a spacing section of thick bamboo inner wall is equipped with the movable rod, the movable rod week side has inlayed a plurality of spacing pearls, the movable rod is close to the one end fixedly connected with movable block of fixed block, be equipped with the spring between movable block and the mounting groove, the movable block is kept away from the one end of spring and is inlayed fixed pearl.

Preferably, the spring bonds with the movable block, the movable block is stainless steel, the movable block outer wall and the laminating of mounting groove inner wall, laminating of spacing pearl outer wall and spacing section of thick bamboo inner wall, the movable rod and the welding of movable block.

Preferably, the number of the fixing grooves and the number of the blades are twelve, and the blades can be replaced better and better by the aid of the fixing grooves and the blades.

Preferably, the blades and the fixing blocks are made of stainless steel materials, and the blades and the fixing blocks are integrally cast and formed.

Preferably, the fixed block is close to one side of mounting groove and has seted up the recess, recess and fixed pearl laminating, the better fixed blade of being convenient for of setting up of recess.

Preferably, the section of carousel is circular, the carousel is the nylon material.

The utility model has the following beneficial effects:

1. according to the utility model, the fixing mechanism is arranged, so that the blades can be fixed better and better used, the fixing beads in the fixing mechanism are arranged to fix the blades better, the limiting cylinder and the movable rod are arranged to limit the movable block better and fix the blades better, and the mounting groove is arranged to fix the fixing mechanism better;

2. according to the utility model, the turntable is arranged, so that the blades can be fixed better and replaced more conveniently.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of a securing mechanism according to the present invention;

FIG. 4 is a schematic view of the limiting cylinder and the movable rod of the present invention.

In the figure: 1. a turntable; 2. a fixing mechanism; 3. a blade; 4. mounting grooves; 5. a fixed block; 6. fixing grooves; 201. a limiting cylinder; 202. a spring; 203. a movable block; 204. fixing the beads; 205. a movable rod; 206. and (4) limiting beads.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-4, an impeller of a centrifugal blower with anti-surge capability includes a turntable 1 fixedly connected to a driving end of a motor, a plurality of fixing grooves 6 are formed at a top end of the turntable 1, a mounting groove 4 is formed at one side of each fixing groove 6, a fixing mechanism 2 is fixedly connected to an inner wall of each mounting groove 4, a fixing block 5 is attached to one side of each fixing mechanism 2 close to the corresponding fixing groove 6, and a blade 3 is fixedly connected to one end of each fixing block 5 far away from the corresponding fixing mechanism 2. The number of the fixing grooves 6 and the number of the blades 3 are twelve. The blades 3 and the fixing blocks 5 are made of stainless steel materials, and the blades 3 and the fixing blocks 5 are integrally cast. One side of the fixing block 5 close to the mounting groove 4 is provided with a groove, and the groove is attached to the fixing bead 204. The section of carousel 1 is circular, and carousel 1 is the nylon material, and the recess is convenient for better fixing blade 3 with the setting of fixed pearl 204, is convenient for better use.

As shown in fig. 1-4, the fixing mechanism 2 includes a limiting cylinder 201 fixedly connected to the mounting groove 4, a movable rod 205 is disposed on an inner wall of the limiting cylinder 201, a plurality of limiting beads 206 are embedded on a peripheral side of the movable rod 205, a movable block 203 is fixedly connected to an end of the movable rod 205 close to the fixed block 5, a spring 202 is disposed between the movable block 203 and the mounting groove 4, and a fixed bead 204 is embedded on an end of the movable block 203 far from the spring 202. Spring 202 bonds with movable block 203, movable block 203 is stainless steel, movable block 203 outer wall and the laminating of the 4 inner walls of mounting groove, the laminating of spacing pearl 206 outer wall and spacing section of thick bamboo 201 inner wall, movable rod 205 and movable block 203 welding, movable rod 205 is convenient for better fixing blade 3 with setting up of movable block 203, be convenient for better use, the setting of fixed pearl 204 is convenient for better fixing fixed block 5, be convenient for better change blade 3.

When the blade fixing device is used, the blade 3 and the fixing block 5 are inserted into the fixing groove 6, the fixing block 5 and the blade 3 are fixed under the limiting action of the fixing mechanism 2, and the operation is performed reversely when the blade 3 needs to be detached.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a centrifugal blower impeller with anti-surge ability, includes carousel (1) with motor drive end fixed connection, its characterized in that: a plurality of fixed slots (6) have been seted up on carousel (1) top, mounting groove (4) have been seted up to fixed slot (6) one side, mounting groove (4) inner wall fixedly connected with fixed establishment (2), one side laminating that fixed establishment (2) are close to fixed slot (6) has fixed block (5), the one end fixedly connected with blade (3) of fixed establishment (2) are kept away from in fixed block (5).

2. The centrifugal blower wheel having antisurge capability according to claim 1, wherein: fixed establishment (2) include with mounting groove (4) fixed connection's a spacing section of thick bamboo (201), a spacing section of thick bamboo (201) inner wall is equipped with movable rod (205), movable rod (205) week side has inlayed a plurality of spacing pearls (206), movable rod (205) are close to one end fixedly connected with movable block (203) of fixed block (5), be equipped with spring (202) between movable block (203) and mounting groove (4), fixed pearl (204) have been inlayed to the one end that spring (202) were kept away from in movable block (203).

3. The centrifugal blower wheel having antisurge capability according to claim 2, wherein: spring (202) and movable block (203) bond, movable block (203) are stainless steel material, movable block (203) outer wall and mounting groove (4) inner wall laminating, spacing pearl (206) outer wall and the laminating of spacing section of thick bamboo (201) inner wall, movable rod (205) and movable block (203) welding.

4. The centrifugal blower wheel having antisurge capability according to claim 1, wherein: the number of the fixing grooves (6) and the number of the blades (3) are twelve.

5. The centrifugal blower wheel having antisurge capability according to claim 1, wherein: the blade (3) and the fixing block (5) are made of stainless steel materials, and the blade (3) and the fixing block (5) are integrally cast and formed.

6. The centrifugal blower wheel having antisurge capability according to claim 1, wherein: one side of the fixing block (5) close to the mounting groove (4) is provided with a groove, and the groove is attached to the fixing bead (204).

7. The centrifugal blower wheel having antisurge capability according to claim 1, wherein: the section of carousel (1) is circular, carousel (1) is the nylon material.