CN219035074U

CN219035074U - Radiator fan of impeller is conveniently changed

Info

Publication number: CN219035074U
Application number: CN202320045797.1U
Authority: CN
Inventors: 李金�; 陈庭
Original assignee: Shenzhen Dayue Motor Industry Co ltd
Current assignee: Shenzhen Dayue Motor Industry Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-16
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a cooling fan convenient for replacing an impeller, which comprises a shell, a motor and the impeller, wherein the motor is fixed on the shell, a rotating shaft of the impeller is connected with an output shaft of the motor, a mounting groove is concavely formed in the output shaft along the axis of the output shaft, a mounting column corresponding to the mounting groove is arranged at one end, connected with the motor, of the rotating shaft, a containing cavity is arranged in the rotating shaft, one end of the containing cavity penetrates through one side, far away from the motor, of the impeller, a notch penetrating through the side wall of the mounting column is formed at one end, close to the motor, of the containing cavity, a movable buckle is rotationally arranged at the notch, a clamping groove corresponding to the movable buckle is formed in the mounting groove, a jacking block is arranged in the containing cavity, and is used for jacking the movable buckle into the containing cavity; the impeller can be conveniently and quickly disassembled and assembled, and the difficulty and the required time for disassembling and assembling the impeller are reduced.

Description

Radiator fan of impeller is conveniently changed

Technical Field

The utility model relates to the technical field of fans, in particular to a cooling fan with an impeller convenient to replace.

Background

The existing radiator fan is simple in structure and severe in working environment, the impeller is easy to be stained with dust, damaged or corroded, the traditional radiator fan is used for fixing the impeller on a motor rotating shaft, interference fit is used for plugging, disassembly and assembly are inconvenient, once the impeller needs to be cleaned or is damaged, the impeller cannot be independently replaced, so that the use cost is high, some of the radiator fan can be detached, but the disassembly mode is complex, the whole radiator fan needs to be detached, and the impeller needs to be detached for cleaning or replacement, so that the radiator fan is inconvenient and low in efficiency.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary object is to provide a cooling fan with an impeller convenient to replace, which can conveniently and rapidly disassemble and assemble the impeller, and reduce the difficulty and time required for disassembling and assembling the impeller.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a conveniently change radiator fan of impeller, includes casing, motor and impeller, the motor is fixed on the casing, the pivot of impeller and the output shaft of motor, the output shaft is equipped with the mounting groove along its axis is concave, the one end that pivot and motor are connected is equipped with the erection column that corresponds with the mounting groove, be equipped with the appearance chamber in the pivot, one side that the motor was kept away from to the impeller is run through to the one end that holds the chamber, the one end that holds the chamber and be close to the motor is equipped with the breach that runs through the erection column lateral wall, the breach rotates and is provided with movable buckle, be equipped with the draw-in groove that corresponds with movable buckle in the mounting groove, be equipped with the kicking block in the appearance intracavity, the kicking block is used for propping up movable buckle into holding the intracavity.

As a preferable scheme, the top block comprises a pressing part and a collision part, wherein the pressing part is one end far away from the motor, and the collision part is one end close to the motor.

As a preferable mode, a part of the pressing part extends out of the impeller along the containing cavity.

As a preferable scheme, the movable buckle comprises a buckle part and a movable part, wherein the movable part is rotatably arranged in the accommodating cavity, and the buckle part can be driven by the movable part to rotate.

As a preferable scheme, an elastic piece which enables the movable buckle to rotate from the container to the outer container is arranged in the container.

As a preferable scheme, the clamping groove extends outwards from the mounting groove along the radial direction of the output shaft to form a side wall of the output shaft.

As a preferable scheme, the limiting groove extending along the axial direction of the output shaft is concavely arranged on the inner side wall of the clamping groove, and a limiting block corresponding to the limiting groove is arranged on the mounting column.

As a preferable scheme, the impeller is provided with a limiting piece for preventing the top block from sliding out of the container.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme is that the motor output shaft is mainly internally provided with the mounting groove and the rotating shaft of the impeller is provided with the corresponding mounting column, the mounting column is in plug connection with the mounting groove, meanwhile, the mounting column is provided with the movable buckle, the mounting groove is internally provided with the clamping groove corresponding to the movable buckle, the movable buckle and the clamping groove play a fixed role, and the mounting column is internally provided with the jacking block for controlling the rotation of the movable buckle, and the jacking block is used for controlling the clamping state of the movable buckle and the clamping groove, so that the impeller can be conveniently and rapidly disassembled, the difficulty of disassembling the impeller and the required time are reduced, and the efficiency of maintaining the cooling fan is improved.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of an impeller according to an embodiment of the present utility model;

FIG. 3 is another view of an impeller according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an impeller of an embodiment of the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at A in accordance with an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of an output shaft of an embodiment of the present utility model.

Reference numerals illustrate:

10. a housing;

20. a motor; 21. an output shaft; 22. a mounting groove; 23. a clamping groove;

30. an impeller; 31. a rotating shaft; 32. a mounting column; 33. a cavity; 34. a notch; 35. a movable buckle; 351. a fastening part; 352. a movable part; 36. a top block; 361. a pressing part; 362. a collision part; 37. an elastic member; 38. and a limiting block.

Detailed Description

For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Referring to fig. 1 to 6, an embodiment of the utility model provides a cooling fan with an impeller convenient to replace, which comprises a housing 10, a motor 20 and an impeller 30, wherein the motor 20 is fixed on the housing 10, a rotating shaft 31 of the impeller 30 is connected with an output shaft 21 of the motor 20, a cylindrical mounting groove 22 is concavely arranged along the axis of the output shaft 21, a mounting post 32 corresponding to the mounting groove 22 is arranged at one end of the rotating shaft 31 connected with the motor 20, a containing cavity 33 is arranged in the rotating shaft 31, one end of the containing cavity 33 penetrates through one side of the impeller 30 far away from the motor 20, a notch 34 penetrating through the side wall of the mounting post 32 is arranged at one end of the containing cavity 33 close to the motor 20, a movable buckle 35 is rotatably arranged at the notch 34, a clamping groove 23 corresponding to the movable buckle 35 is arranged in the mounting groove 22, a jacking block 36 is arranged in the containing cavity 33, and the jacking block 36 is used for jacking and containing the movable buckle 35 in the containing cavity 33.

In this embodiment, the top block 36 includes a pressing portion 361 and an abutting portion 362, the pressing portion 361 is one end far away from the motor 20, the abutting portion 362 is one end near the motor 20, the abutting portion 362 is used for abutting against the movable buckle 35 and rotating and storing the movable buckle in the accommodating cavity 33, and the pressing portion 361 is used for pressing and moving the top block 36 in the accommodating cavity 33 along a direction near the motor 20. A portion of the pressing portion 361 extends outwardly from the impeller 30 along the cavity 33. The movable buckle 35 comprises a buckle part 351 and a movable part 352, the movable part 352 is rotatably arranged in the accommodating cavity 33, and the movable part 352 can control the rotation angle by moving the top block 36 in the accommodating cavity 33 along the direction close to the motor 20, so as to drive the movable part 352 to rotate and be accommodated in the accommodating cavity 33. An elastic piece 37 which enables the movable buckle 35 to have a tendency of rotating out of the outer cavity from the inner cavity 33 is arranged in the inner cavity 33; the elastic member 37 is a spring, one end of the spring is connected to the inner side wall of the cavity 33 near the motor 20, and the other end is connected to the movable portion 352.

Further, the clamping groove 23 extends from the mounting groove 22 to the side wall of the output shaft 21 along the radial direction of the output shaft 21. Limiting grooves extending along the axial direction of the output shaft 21 are concavely formed in the inner side walls of the clamping grooves 23, and limiting blocks 38 corresponding to the limiting grooves are arranged on the mounting columns 32. The impeller 30 is provided with a limiting member for preventing the top block 36 from sliding out of the accommodating cavity 33.

When the impeller 30 is installed, the installation column 32 is correspondingly inserted along the installation groove 22, the movable buckle 35 is extruded by the inner side wall of the installation groove 22 so as to retract into the containing cavity 33, and when the movable buckle 35 moves to the relative position of the clamping groove 23, the movable buckle is directly ejected and clamped into the clamping groove 23, so that the installation can be completed; when the impeller 30 is detached, the impeller 30 is held by hand, the pressing part 361 of the top block 36 is pressed by a finger to enable the top block 36 to move towards the direction approaching to the motor 20, and the abutting part 362 abuts against the movable part 352 of the movable buckle 35, so that the buckle part 351 is rotatably accommodated in the accommodating cavity 33, and at the moment, the impeller 30 can be separated from the output shaft 21; the installation and the disassembly are convenient and quick.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a conveniently change radiator fan of impeller, includes casing, motor and impeller, its characterized in that: the motor is fixed on the casing, the pivot of impeller and the output shaft of motor, the output shaft is equipped with the mounting groove along its axis indent, the one end that the pivot is connected with the motor is equipped with the erection column that corresponds with the mounting groove, be equipped with in the pivot and hold the chamber, hold one end in chamber and run through one side that the impeller kept away from the motor, hold the one end that the chamber is close to the motor to be equipped with the breach that runs through the erection column lateral wall, the breach rotates and is provided with movable buckle, be equipped with the draw-in groove that corresponds with movable buckle in the mounting groove, hold the intracavity and be equipped with the kicking block, the kicking block is used for propping up movable buckle into holding the intracavity.

2. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: the ejector block comprises a pressing part and a collision part, wherein the pressing part is one end far away from the motor, and the collision part is one end close to the motor.

3. A radiator fan for facilitating replacement of an impeller according to claim 2, wherein: a part of the pressing part extends out of the impeller along the containing cavity.

4. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: the movable buckle comprises a buckle part and a movable part, the movable part is rotatably arranged in the accommodating cavity, and the buckle part can be driven by the movable part to rotate.

5. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: the holding cavity is internally provided with an elastic piece which enables the movable buckle to have a trend of rotating out of the holding cavity from the holding cavity.

6. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: the clamping groove extends outwards from the mounting groove along the radial direction of the output shaft to form a side wall of the output shaft.

7. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: limiting grooves extending along the axial direction of the output shaft are concavely formed in the inner side walls of the clamping grooves, and limiting blocks corresponding to the limiting grooves are arranged on the mounting columns.

8. The radiator fan of claim 1, wherein the impeller is replaced with a new one, and wherein: and the impeller is provided with a limiting piece for preventing the top block from sliding out of the container.