CN217783846U

CN217783846U - Fan impeller with novel structure

Info

Publication number: CN217783846U
Application number: CN202221343461.5U
Authority: CN
Inventors: 邵乾
Original assignee: Wuxi Shaoshi Technology Co ltd
Current assignee: Wuxi Shaoshi Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-11
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a fan wheel of novel structure belongs to impeller technical field. The first blades are uniformly distributed between the rear cover plate and the first bottom plate, the second blades are uniformly distributed between the front cover plate and the second bottom plate, and the first blades and the second blades are distributed at intervals; the connecting shaft sleeve is provided with a first bottom plate and a second bottom plate, the first bottom plate is provided with a first connecting shaft, the second bottom plate is provided with a second connecting shaft, the first connecting shaft is provided with a first bottom plate, the second connecting shaft is provided with a second bottom plate, the first connecting shaft is provided with a second connecting shaft, the second connecting shaft is provided with a first bottom plate and a second bottom plate, the second connecting shaft is provided with a second bottom plate, the first bottom plate is provided with a first connecting shaft, the second bottom plate is provided with a second connecting shaft, the first connecting shaft is provided with a first connecting shaft, the second connecting shaft is provided with a second connecting shaft, the first connecting shaft and the second connecting shaft are connected through a connecting shaft sleeve, a fixed plate is arranged at the joint of the connecting shaft sleeve and the first bottom plate and the second bottom plate, a limiting part is arranged on the fixed plate, and is sleeved on the connecting shaft sleeve and the connecting shaft and the fixing plate are integrally formed with the fixed plate. The utility model has the advantages that the number and the shape of the first blade on the first wheel disc and the second blade on the second wheel disc are the same, and the blades are distributed at intervals, so that the dispersion of the airflow at the tail part of the blades can be supplemented, and the generation of vortex can be reduced, thereby reducing the generation of noise; meanwhile, the bottom plate is connected with the fixed plate through the bolts, so that the installation and the disassembly of workers are convenient, and parts can be replaced.

Description

Fan impeller with novel structure

Technical Field

The utility model belongs to the technical field of the impeller, concretely relates to fan wheel of novel structure.

Background

A blower is a machine that relies on input mechanical energy to increase gas pressure and discharge the gas. The impeller is the main working part of the fan, generally comprises blades, a wheel disc and a shaft seat, and when the fan works, the output shaft of the motor is connected with the shaft seat to drive the wheel disc and the blades to rotate to generate airflow. The performance of the fan is directly influenced by the quality of the impeller design.

When the existing fan impeller works, airflow is easy to separate at the rear half section of the wheel disc, and due to the separation of the airflow, vortex is easy to generate, and a large number of vortices not only reduce the aerodynamics of the fan impeller, but also increase noise.

Therefore, a fan impeller with a new structure is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a fan wheel of novel structure to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: the utility model provides a fan wheel of novel structure, includes connecting sleeve, and the symmetry sets up and cup joints first rim plate and second rim plate on the connecting sleeve, its characterized in that: the first wheel disc comprises a rear cover plate, a first bottom plate and a plurality of first blades, the second wheel disc comprises a front cover plate, a second bottom plate and a plurality of second blades, the first blades are uniformly distributed between the rear cover plate and the first bottom plate, the second blades are uniformly distributed between the front cover plate and the second bottom plate, and the first blades and the second blades are distributed at intervals;

the connecting shaft sleeve is provided with a fixed plate at the joint of the first bottom plate and the second bottom plate, the fixed plate is provided with a limiting part, and the limiting part is sleeved on the connecting shaft sleeve and integrally formed with the fixed plate.

In a further embodiment, the first bottom plate and the second bottom plate are fixedly connected through screws, so that the first wheel disc and the second wheel disc can synchronously rotate, the collision generated when the first wheel disc and the second wheel disc rotate is reduced, and the noise is reduced.

In a further embodiment, a plurality of through holes are formed in the fixing plate, grooves corresponding to the through holes are formed in the first bottom plate and the second bottom plate, bolts are arranged in the through holes in an interference fit mode, the bottom ends of the bolts are in contact with the upper surfaces of the grooves, a worker can conveniently install and detach the single wheel disc and the fixing plate, and meanwhile stability of the wheel disc during rotation is improved.

In a further embodiment, a gasket is arranged at the joint of the bolt and the fixing plate, so that the contact area of the bolt and the surface of the fixing plate is increased, the pressure is reduced, the bolt is prevented from loosening, and the fixing plate and the bolt are protected.

In a further embodiment, a rear end cover is arranged on one side, away from the second wheel disc, of the first wheel disc, a front end cover is arranged on one side, away from the first wheel disc, of the second wheel disc, and a reinforcing piece is arranged on the front end cover, so that the first wheel disc and the second wheel disc are connected with a frame of a fan, and the stability of the wheel disc during rotation is ensured.

In a further embodiment, a rotating shaft is arranged in the connecting shaft sleeve, the reinforcing piece is sleeved on the rotating shaft and fixedly connected with the edge of the front end cover through a screw, and the rotating shaft can drive the connecting shaft sleeve to rotate so as to drive the wheel disc to rotate.

In a further embodiment, a bearing is provided between the rotating shaft and the reinforcing member, which ensures that the rotating shaft can only rotate in the radial direction of the shaft.

Has the advantages that: the utility model relates to a fan impeller with a novel structure, which is characterized in that a first wheel disc and a second wheel disc are symmetrically arranged on a connecting shaft sleeve, and a first blade on the first wheel disc and a second blade on the second wheel disc are distributed at intervals, so that the phenomenon of air flow separation and the generation of vortex can be reduced when the impeller rotates, thereby reducing noise; through all installing the fixed plate and with fixed plate integrated into one piece's locating part on the looks back at first bottom plate and second bottom plate, this fixed plate passes through a plurality of bolt interference installations on the bottom plate, and the staff of being convenient for installs and dismantles first rim plate and second rim plate, first rim plate and second rim plate can synchronous revolution when can ensure to rotate simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the first wheel disc and the second wheel disc of the present invention.

Fig. 3 is a schematic view of the installation between the middle connecting member and the bottom plate of the present invention.

The figures are numbered: 1. a rear end cap; 2. a first wheel disc; 201. a rear cover plate; 202. a first blade; 203. a first base plate; 3. a second wheel disc; 301. a front cover plate; 302. a second blade; 303. a second base plate; 4. a front end cover; 5. a rotating shaft; 6. a bearing; 7. a reinforcement; 8. a locking key; 9. a stopper; 10. a fixing plate; 11. a bolt; 12. and (4) screws.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

As shown in fig. 1, a fan impeller with a novel structure is hereinafter referred to as "the device". The device comprises a rear end cover 1, a first wheel disc 2, a second wheel disc 3, a front end cover 4, a connecting shaft sleeve, a rotating shaft 5, a bearing 6, a reinforcing piece 7, a locking key 8, a limiting piece 9, a fixing plate 10, a bolt 11 and a screw 12. The rear end cover 1 is arranged on one side of the first wheel disc 2, the other side of the first wheel disc 2 is connected with the second wheel disc 3, and the other side of the second wheel disc 3 is provided with the front end cover 4.

The first disk 2 comprises a back cover plate 201, a plurality of first blades 202 and a first bottom plate 203, and the second disk 3 comprises a front cover plate 301, a plurality of second blades 302 and a second bottom plate 303. One side of the rear cover plate 201 is connected with the rear end cover 1, the other side of the rear cover plate is connected with one end of a first blade 202, the other end of the first blade 202 is fixed on a first bottom plate 203, and the first blades 202 are uniformly distributed between the rear cover plate 201 and the first bottom plate 203; one side of the front cover plate 301 is connected with the front end cover 4, the other side of the front cover plate is connected with one end of a second blade 302, the other end of the second blade 302 is fixed on a second bottom plate 303, and the second blade 302 is uniformly distributed between the front cover plate 301 and the second bottom plate 303; the first blades 202 and the second blades 302 are the same in number and shape and are distributed at intervals, and the first bottom plate 203 and the second bottom plate 303 are connected through screws 12.

All install fixed plate 10 on first bottom plate 203 and the second bottom plate 303 back mutually, be equipped with on the fixed plate 10 with fixed plate 10 integrated into one piece's locating part 9, fixed plate 10 and locating part 9 are all established and are sheathe in at the connecting axle, a plurality of through-holes have been seted up on the fixed plate 10, set up the recess corresponding with the through-hole on first bottom plate 203 and the second bottom plate 303, interference fit has bolt 11 in the through-hole, and the bottom of bolt 11 contacts with the upper surface of recess, and bolt 11 and fixed plate 10 install the gasket in the junction.

The utility model discloses a bearing, including axis of rotation 5, rotation axis 5 through connection axle sleeve and reinforcement 7, be equipped with locking key 8 between axis of rotation 5 and the connection axle sleeve, be equipped with bearing 6 between axis of rotation 5 and the reinforcement 7, reinforcement 7 cover is established on bearing 6, and the edge of reinforcement 7 and front end housing 4 passes through screw 12 fixed connection.

The working principle is as follows: the connecting shaft sleeve and the bearing 6 are sleeved on the rotating shaft 5, the first wheel disc 2 and the second wheel disc 3 are symmetrically arranged, the two bottom plates are connected through the screw 12, the fixing plates 10 and the limiting parts 9 which are integrally formed with the fixing plates 10 are respectively arranged on the back surfaces of the two bottom plates, the fixing plates 10 are sleeved on the connecting shaft sleeve, the first wheel disc 2 and the second wheel disc 3 can rotate along with the rotation of the rotating shaft 5, and the first blades 202 on the first wheel disc 2 and the second blades 302 on the second wheel disc 3 are identical in number and shape and are distributed at intervals, so that the dispersion of airflow at the tail part of each blade can be supplemented, and meanwhile, the generation of vortex can be reduced, and the generation of noise can be reduced; meanwhile, the bottom plate is connected with the fixing plate 10 through the bolt 11, so that the installation and the disassembly of workers are convenient, and parts can be replaced.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a fan wheel of novel structure, includes connecting sleeve, and the symmetry sets up and cup joints first rim plate and second rim plate on the connecting sleeve, its characterized in that: the first wheel disc comprises a rear cover plate, a first bottom plate and a plurality of first blades, the second wheel disc comprises a front cover plate, a second bottom plate and a plurality of second blades, the first blades are uniformly distributed between the rear cover plate and the first bottom plate, the second blades are uniformly distributed between the front cover plate and the second bottom plate, and the first blades and the second blades are distributed at intervals;

2. The fan impeller of the novel structure according to claim 1, characterized in that: the first bottom plate and the second bottom plate are fixedly connected through screws.

3. The fan impeller of the novel structure according to claim 1, characterized in that: the fixing plate is provided with a plurality of through holes, the first bottom plate and the second bottom plate are provided with grooves corresponding to the through holes, bolts are arranged in the through holes in an interference fit mode, and the bottom ends of the bolts are in contact with the upper surfaces of the grooves.

4. The fan impeller of claim 3, wherein: and a gasket is arranged at the joint of the bolt and the fixing plate.

5. The fan impeller of the novel structure according to claim 1, characterized in that: one side of the first wheel disc, which is far away from the second wheel disc, is provided with a rear end cover, one side of the second wheel disc, which is far away from the first wheel disc, is provided with a front end cover, and the front end cover is provided with a reinforcement.

6. The fan impeller of claim 5, characterized in that: the connecting shaft sleeve is internally provided with a rotating shaft, and the reinforcing piece is sleeved on the rotating shaft and is fixedly connected with the edge of the front end cover through a screw.

7. The fan impeller of the novel structure according to claim 6, wherein: and a bearing is arranged between the rotating shaft and the reinforcing piece.