Wind wheel of rear pressure motor structure

Abstract

The utility model discloses a wind wheel with a rear pressure motor structure, which comprises fan blades and a connecting ring, the connecting ring is arranged in the wind wheel and is connected with the fan blades into an integral structure, the connecting ring convexly extends towards the center of the wind wheel, and a circle of support ring is arranged along the inner side of the connecting ring; a fixing ring is fixed on the supporting ring through in-mold forming, the fixing ring is of a cylindrical structure with two open ends, the motor shell is embedded and fixed in the fixing ring through extrusion of the motor, and the fixing ring is tightly combined with the outer wall of the motor shell. The fixing ring is arranged in the wind wheel, and after the wind wheel is manufactured, the motor is directly pressed into the fixing ring through a jig to achieve assembling and fixing. Compared with a traditional plastic coating structure, the rear pressing motor structure can enable the pressing depth of the motor to be adjusted according to needs, and the adaptability is higher. Meanwhile, the height of the motor shell is not limited by a mold, a motor with a high motor shell or a low motor shell can be selected according to the power of the fan, and flexible adjustment and assembly are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan fan spare parts technical field especially relates to a kind of wind wheels mainly applied to automobile air conditioner, new energy industry, industrial control, server, game machine equipment, air conditioner cabinet, intelligent household appliance etc. BACKGROUND

[0002] The impeller of the cross-flow fan is multi-leaf, long cylindrical, and has forward multi-wing blades. When the impeller rotates, airflow enters the blade row from the open part of the impeller, passes through the inside of the impeller, and is discharged into the shell from the other blade row, forming working airflow. The cross-flow fan has the advantages of low noise, uniform air outlet, and unrestricted axial length. Therefore, the cross-flow fan is used in many products, such as automobile air conditioner, power supply, industrial control, server, industrial equipment, air conditioner cabinet, etc. The current cross-flow fan usually has the following shortcomings: the motor and the wind wheel are molded by in-mold encapsulation, forming a package injection motor shell structure. After the mold is designed, the size of the motor shell is fixed. To adjust the size of the motor, the mold must be changed, which is time-consuming and costly, and the product cannot be flexibly assembled according to needs. SUMMARY

[0003] The utility model provides a kind of wind wheel of the structure design more reasonable, motor is assembled by rear pressure mode, can replace different size motor, the wind wheel of better adaptability of rear pressure motor structure to the shortcomings of prior art.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of wind wheel of rear pressure motor structure, including wind blade and connecting ring, connecting ring is connected as an integral structure in the inside of wind wheel each wind blade, characterized by: connecting ring protrudes towards the center of wind wheel, and a circle of support ring is arranged along the inner side of connecting ring;A fixed ring is fixed on the support ring by in-mold forming, the fixed ring is the structure of the barrel with two open ends, the motor shell is embedded in the fixed ring by extrusion, and the fixed ring is tightly combined with the outer wall of the motor shell.

[0005] Further, the support ring is a structure that protrudes towards one end of the wind wheel relative to the connecting ring, and a plurality of support ribs are arranged along the inner wall of the support ring to form a reinforcing structure for the support ring and a reinforcing support structure for the fixed ring.

[0006] Further, the wind blade, the connecting ring, the support ring and the support rib are integrally formed by injection molding using a plastic material, and the fixed ring is fixed on the support ring by mold injection molding.

[0007] Further, a ring of outwardly protruding folded ring is arranged at the tail end of the fixed ring, and the fixed ring is fixed with the support ring through the folded ring thereof.

[0008] Preferably, the fixing ring is made of metal, such as an iron ring or a copper ring, which is in a straight cylindrical shape.

[0009] Further, the wind wheel is installed in a housing, both ends of the housing are provided with guide rings, the stator of the motor is fixed with the guide ring at one end of the housing through a motor support after the motor is installed in the fixing ring, and the shaft core of the motor is fixed with the guide ring at the other end of the housing through a bearing.

[0010] Further, at least one reinforcing ring is arranged at the periphery of each blade of the wind wheel, and the reinforcing ring is connected with the outer side of each blade in an integrated structure to form a reinforcing structure of the wind wheel.

[0011] The utility model discloses a fixing ring is arranged in the wind wheel, and the motor is directly pressed into the fixing ring to realize assembly and fixation through a jig after the wind wheel is finished. Compared with the traditional plastic package structure, the rear motor pressing structure can adjust the pressing depth of the motor according to the need, and the adaptability is stronger. At the same time, the height of the motor shell is not limited by the mold, and the motor with a high motor shell or a low motor shell can be selected according to the power of the fan, so that flexible adjustment and assembly are realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the utility model;

[0013] Figure 2 It is the utility model's elevation schematic view;

[0014] Figure 3 It is the utility model's section schematic view;

[0015] Figure 4 It is the section schematic view of the utility model when installing the low shell motor;

[0016] Figure 5 It is the section schematic view of the utility model when installing the high shell motor.

[0017] In the drawing, 1 is a wind wheel, 11 is a wind blade, 12 is a connecting ring, 13 is a supporting ring, 14 is a supporting rib, 15 is a reinforcing ring, 2 is a housing, 2 is a impeller, 31 is a motor shell, 32 is a stator, 33 is a shaft core, 4 is a fixing ring, 5 is a motor support, and 6 is a guide ring. DETAILED DESCRIPTION

[0018] In the embodiment, refer to Figures 1-5The rear motor structure wind wheel 1 comprises the wind blade 11 and the connecting ring 12, the connecting ring 12 is connected with each wind blade 11 in the interior of the wind wheel 1 as an integral structure, and is used for improving the structural strength of the wind wheel 1 and providing the support force for the motor; the connecting ring 12 protrudes towards the center of the wind wheel 1, and a supporting ring 13 is arranged on the inner side of the connecting ring 12; a fixed ring 4 is fixed on the supporting ring 13 through in-mold forming, the fixed ring 4 is a cylindrical structure with two open ends, the motor shell 31 is embedded and fixed in the fixed ring 4 through the pressing of a jig, the fixed ring 4 is tightly combined with the outer wall of the motor shell 31, the installation and fixation of the motor are realized, and the height of the fixed ring 4 is less than the height of the motor shell 31.

[0019] The supporting ring 13 is a structure which is protruded towards one end of the wind wheel 1 relative to the connecting ring 12, a plurality of supporting ribs 14 are arranged on the inner wall of the supporting ring 13, the supporting ribs 14 form the reinforcing structure of the supporting ring 13 and the reinforcing and supporting structure of the fixed ring 4, and the motor is more stable after being installed.

[0020] The wind blade 11, the connecting ring 12, the supporting ring 13 and the supporting rib 14 are integrally formed by injection molding of a plastic material, and the fixed ring 4 is fixed on the supporting ring 13 through mold injection forming.

[0021] A folded ring which is protruded outward is arranged at the tail end of the fixed ring 4, the fixed ring 4 is combined and fixed with the supporting ring 13 through the folded ring, so that the combined area with the supporting ring 13 can be increased, and the stability of the fixed ring 4 can be improved.

[0022] The fixed ring 4 is made of metal, such as an iron ring or a copper ring, and has a straight cylindrical shape.

[0023] The wind wheel 1 is installed in an outer shell 2, the outer shell 2 is provided with a wind guide ring 6 at each end, the stator 32 of the motor is assembled and fixed with the wind guide ring 6 at one end of the outer shell 2 through a motor support 5 after the motor is embedded in the fixed ring 4, the shaft core 33 of the motor is assembled and fixed with the wind guide ring 6 at the other end of the outer shell 2 through a bearing, and the motor is located at the middle position of the entire wind wheel 1.

[0024] At least one reinforcing ring 15 is arranged at the periphery of each blade 11 of the wind wheel 1, and the reinforcing ring 15 is connected with the outer side of each blade 11 as an integral structure to form the reinforcing structure of the wind wheel 1.

[0025] The fixed ring 4 can also cover the motor shell, so that the core can be interchangeable, and the structure is practical.

[0026] The above has described the utility model in detail, the above description is only a preferred embodiment of the utility model, and cannot limit the utility model implementation range, that is, all equivalent changes and modifications made according to the application range should still belong to the utility model coverage.

Claims

1. A wind turbine with a rear-pressure motor structure, comprising blades and a connecting ring, wherein the connecting ring is internally connected to the blades of the wind turbine to form an integral structure, characterized in that: The connecting ring protrudes towards the center of the wind turbine, and a support ring is provided along the inner side of the connecting ring; a fixing ring is fixed on the support ring by in-mold forming. The fixing ring is a cylindrical structure with open ends. The motor housing is embedded and fixed in the fixing ring by extrusion, and the fixing ring is tightly connected to the outer wall of the motor housing.

2. The impeller with the rear-pressure motor structure according to claim 1, characterized in that: The support ring has a convex structure at the end facing the wind turbine relative to the connecting ring. Several support ribs are provided along the inner wall of the support ring, which form a reinforcing structure for the support ring and a reinforcing support structure for the fixing ring.

3. The impeller with the rear-pressure motor structure according to claim 2, characterized in that: The fan blades, connecting ring, support ring, and support ribs are made of plastic material and are integrally molded by injection molding. The fixing ring is fixed to the support ring by injection molding.

4. The impeller with the rear-pressure motor structure according to claim 1, characterized in that: A convex folded ring is provided at the tail end of the fixing ring, and the fixing ring is fixed to the support ring through the folded ring.

5. The impeller with the rear-pressure motor structure according to claim 1, characterized in that: The retaining ring is made of metal and is cylindrical in shape.

6. The impeller with the rear-pressure motor structure according to claim 1, characterized in that: The wind turbine is installed in a housing with air guide rings at both ends. After the motor is installed in the fixing ring, its stator is fixed to the air guide ring at one end of the housing through a motor bracket. The motor shaft is fixed to the air guide ring at the other end of the housing through bearings. The motor is located in the middle of the entire wind turbine.

7. The impeller with the rear-pressure motor structure according to claim 1, characterized in that: At least one reinforcing ring is provided around each blade of the wind turbine, and the reinforcing ring is connected to the outer side of each blade to form an integral structure to reinforce the wind turbine.

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