CN220956111U

CN220956111U - Fan

Info

Publication number: CN220956111U
Application number: CN202322350086.8U
Authority: CN
Inventors: 谢绍保; 洪尧玲; 朱振豫
Original assignee: Dayang Electric Wuhan Research Institute Co ltd
Current assignee: Dayang Electric Wuhan Research Institute Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-05-14
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a fan, which comprises a motor and a wind wheel, wherein the motor comprises a rotating shaft, one end of the rotating shaft extends out of the motor to form a shaft extending end, a clamping groove is formed in the shaft extending end, an opening check ring is arranged in the clamping groove, the wind wheel is arranged on the shaft extending end, the bottom end of the wind wheel is propped against the opening check ring, and a nut is arranged at the top end of the wind wheel and is in threaded connection and locking with the end part of the shaft extending end, and the fan is characterized in that: a ring retainer ring body is arranged between the split retainer ring and the bottom end of the wind wheel, the ring retainer ring body is formed by combining two layers of materials, one layer is made of wear-resistant materials, the other layer is made of elastic materials, the elastic materials are utilized to change the direct rigid contact between the wind wheel and the split retainer ring, and then part of high-frequency noise is weakened, so that the resonance noise is offset, the noise is also improved, and the wear-resistant materials can improve the reliability of products.

Description

Fan

Technical Field

The utility model relates to a fan.

Background

The existing fan comprises a motor and a wind wheel, wherein the motor comprises a rotating shaft, one end of the rotating shaft extends out of the motor to form a shaft extending end, a clamping groove is formed in the shaft extending end, an opening check ring is arranged in the clamping groove, the wind wheel is arranged on the shaft extending end, the bottom end of the wind wheel is propped against the opening check ring, a nut is arranged at the top end of the wind wheel and is in threaded connection with the end of the shaft extending end for locking, the opening check ring is in direct contact with the wind wheel to play a limiting role, and as the opening check ring is made of metal, the opening check ring is in rigid contact with the wind wheel, and noise problems such as resonance and the like are easy to generate between the wind wheel and the opening check ring.

Disclosure of utility model

The utility model aims to provide a fan, which solves the technical problems that in the prior art, the split ring is in direct contact with a wind wheel to play a limiting role, and because the split ring is made of metal, the split ring and the wind wheel are in rigid contact, so that noise such as resonance is easy to generate between the wind wheel and the split ring.

The technical scheme of the utility model is realized as follows:

The utility model provides a fan, which comprises a motor and a wind wheel, wherein the motor comprises a rotating shaft, one end of the rotating shaft extends out of the motor to form a shaft extending end, a clamping groove is formed in the shaft extending end, an opening check ring is arranged in the clamping groove, the wind wheel is arranged on the shaft extending end, the bottom end of the wind wheel is propped against the opening check ring, and a nut is arranged at the top end of the wind wheel and is in threaded connection and locking with the end part of the shaft extending end, and the fan is characterized in that: a circular ring retainer ring body is arranged between the split retainer ring and the bottom end of the wind wheel, and is formed by combining two layers of materials, wherein one layer is made of wear-resistant materials, and the other layer is made of elastic materials.

The wear-resistant material of the circular ring retainer ring body is positioned on one side of the wind wheel, and the elastic material of the retainer ring body is positioned on one side of the opening retainer ring.

The wear-resistant material is a wear-resistant high-temperature insulating material; the elastic material is nitrile rubber or silicone rubber.

The motor further comprises a plastic package stator, a rotor assembly and an end cover, wherein the plastic package stator is sleeved outside the rotor assembly, the rotor assembly is sleeved outside the rotating shaft, the plastic package stator comprises a plastic package body, a stator core, end insulation and a coil winding, the plastic package body is used for plastic package of the stator core, the end insulation and the coil winding into a whole, the end covers are arranged at two ends of the plastic package body, and the shaft extension end of the rotating shaft extends out of the plastic package body.

Compared with the prior art, the utility model has the following advantages:

1. The utility model provides a fan, includes motor and wind wheel, and the motor includes the pivot, and the one end of pivot stretches out the motor and forms the axle and stretch the end outward, is equipped with the draw-in groove on the axle stretch, installs split washer in the draw-in groove, and the wind wheel is installed on the axle stretch, and the bottom of wind wheel supports on the split washer, and the top of wind wheel is equipped with nut and the tip threaded connection locking of axle stretch, its characterized in that: a ring retainer ring body is arranged between the split retainer ring and the bottom end of the wind wheel, the ring retainer ring body is formed by combining two layers of materials, one layer is made of wear-resistant materials, the other layer is made of elastic materials, the elastic materials are utilized to change the direct rigid contact between the wind wheel and the split retainer ring, and then part of high-frequency noise is weakened, so that the resonance noise is offset, the noise is also improved, and the wear-resistant materials can improve the reliability of products.

2. Other advantages of the present utility model are described in detail in the description of the embodiments.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a cross-sectional view of A-A of FIG. 3;

fig. 5 is a partial enlarged view of B in fig. 4.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

As shown in fig. 1 to 5, the present embodiment provides a fan, including a motor 1 and a wind wheel 2, the motor 1 includes a rotating shaft 11, one end of the rotating shaft 11 extends out of the motor 1 to form a shaft extending end 111, a clamping groove 112 is provided on the shaft extending end 111, a split washer 113 is installed in the clamping groove 112, the wind wheel 2 is installed on the shaft extending end 111, the bottom end of the wind wheel 2 abuts against the split washer 113, and a nut is provided on the top end of the wind wheel 2 to be locked with the end threaded connection of the shaft extending end 111, and the fan is characterized in that: the annular retainer ring body 3 is arranged between the split retainer ring 113 and the bottom end of the wind wheel 2, the annular retainer ring body 3 is formed by combining two layers of materials, one layer is made of a wear-resistant material 31, the other layer is made of an elastic material 32, the elastic material is utilized to change the direct rigid contact between the wind wheel and the split retainer ring, and then part of high-frequency noise is weakened, so that the resonance noise is offset, the noise is also improved, and the wear-resistant material can improve the reliability of a product.

The wear-resistant material 31 of the circular ring retainer ring body 3 is positioned on one side of the wind wheel 2, the elastic material 32 of the retainer ring body 3 is positioned on one side of the split retainer ring 113, and the structural arrangement is reasonable.

The wear-resistant material 31 is a wear-resistant high-temperature insulating material; the elastic material 32 is nitrile rubber or silicone rubber.

The motor further comprises a plastic package stator, a rotor assembly and an end cover, wherein the plastic package stator is sleeved outside the rotor assembly, the rotor assembly is sleeved outside the rotating shaft, the plastic package stator comprises a plastic package body 321, a stator core, end insulation and a coil winding, the plastic package body 321 is used for plastic package of the stator core, the end insulation and the coil winding into a whole, the end covers are arranged at two ends of the plastic package body, and the shaft extension end 111 of the rotating shaft 11 extends out of the plastic package body 321.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.

Claims

1. The utility model provides a fan, including motor (1) and wind wheel (2), motor (1) include pivot (11), the one end of pivot (11) is stretched out motor (1) and is formed into axle and is stretched end (111), be equipped with draw-in groove (112) on axle and stretch end (111), install split washer (113) in draw-in groove (112), wind wheel (2) are installed on axle and stretch end (111), the bottom of wind wheel (2) supports on split washer (113), the top of wind wheel (2) is equipped with nut and the tip threaded connection locking of axle stretch end (111), its characterized in that: a circular ring retainer ring body (3) is arranged between the split retainer ring (113) and the bottom end of the wind wheel (2), the circular ring retainer ring body (3) is formed by combining two layers of materials, one layer is made of wear-resistant materials (31), and the other layer is made of elastic materials (32).

2. A fan as claimed in claim 1, wherein: the wear-resistant material (31) of the annular retainer ring body (3) is positioned on one side of the wind wheel (2), and the elastic material (32) of the retainer ring body (3) is positioned on one side of the split retainer ring (113).

3. A fan according to claim 1 or 2, characterized in that: the wear-resistant material (31) is a wear-resistant high-temperature insulating material; the elastic material (32) is nitrile rubber or silicone rubber.

4. A fan as claimed in claim 3, wherein: the motor further comprises a plastic package stator, a rotor assembly and an end cover, wherein the plastic package stator is sleeved outside the rotor assembly, the rotor assembly is sleeved outside the rotating shaft, the plastic package stator comprises a plastic package body (321), a stator core, end insulation and a coil winding, the plastic package body (321) is used for plastic package of the stator core, the end insulation and the coil winding into a whole, the end covers are arranged at the two ends of the plastic package body, and a shaft extension end (111) of the rotating shaft (11) extends out of the plastic package body (321).