CN209385374U - A blower DC cooling fan - Google Patents

Abstract

The utility model discloses an air blower direct current radiator fan, which comprises a frame, wherein the middle parts of four sides of the inner wall of the frame are all provided with a groove, one side of each of four groove inner walls is fixedly provided with a buffer seat, one end of each of four buffer seats is fixedly provided with a damping spring, one end of each of four damping springs is respectively fixedly connected with one end of each of four support frames, and the other end of each of four support frames is respectively fixedly connected with four side walls of a fixing seat; through the fixed damping spring that is equipped with in the one end of four support frames, damping spring's the fixed cushion seat that is equipped with in one end, consequently can increase the shock resistance of fan, increase the life of fan.

Description

A blower DC cooling fan

technical field

The utility model relates to a cooling fan, in particular to a blower DC cooling fan, which belongs to the technical field of blowers.

Background technique

The blower is mainly composed of the following six parts: motor, air filter, blower body, air chamber, base (and fuel tank), and drip nozzle. The blower operates eccentrically by the biased rotor in the cylinder, and makes the volume change between the vanes in the rotor slot suck, compress and spit out air.

In the prior art, the decibels of noise will be increased when the motor drives the fan blades to rotate, and the fan blades will generate relatively large vibrations during the rotation process, which will cause damage to the fan and reduce the service life of the fan.

Utility model content

The purpose of this utility model is to provide a blower DC cooling fan to solve the problems of poor shock resistance and noise generation of the cooling fan proposed in the background art.

In order to achieve the above object, the utility model provides the following technical solutions: a blower DC cooling fan, including a frame, the middle part of the four sides of the inner wall of the frame is provided with a groove, and one side of the inner wall of the four grooves is fixed A buffer seat is provided, and one end of the four buffer seats is fixed with a damping spring, and one end of the four damping springs is respectively fixedly connected with one end of the four support frames, and the other ends of the four support frames They are respectively fixedly connected with the four side walls of the fixed seat, the middle part of one side of the fixed seat is fixed with a motor, one side of the fixed seat is provided with an annular circular groove, and one side of the inner wall of the annular circular groove is fixed with a The first ring magnet, the first ring magnet is magnetically connected to the second ring magnet, and the second ring magnet is fixedly arranged at the bottom end of the protective cover, and a sound insulation layer is fixedly provided on one side of the inner wall of the protective cover, so that The output end of the motor passes through the fixed seat and is fixedly connected to the bottom end of the connecting sleeve, the side wall of the connecting sleeve is fixedly provided with a number of fan blades, one side of the frame is fixedly provided with a motor switch, and the motor switches through the motor switch. It is electrically connected with an external power supply.

As a preferred technical solution of the utility model, the sound insulation layer is made of glass fiber cotton.

As a preferred technical solution of the present utility model, a number of cooling holes are opened on the bottom of the side wall of the protective cover.

As a preferred technical solution of the present invention, the size of the protective cover is larger than that of the motor.

As a preferred technical solution of the present invention, the tops of the four grooves are fixed with limiting plates.

Compared with the prior art, the beneficial effects of the utility model are: the utility model is a blower DC cooling fan, through the protective cover provided on the outside of the motor, and fixed inside the protective cover The sound insulation layer made of glass fiber cotton can reduce the noise generated by the motor, thereby reducing the noise of the entire blower; by fixing the damping spring at one end of the four support frames, one end of the damping spring The cushion seat is fixedly provided, so the anti-seismic ability of the fan can be increased, and the service life of the fan can be increased.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic view of the side structure of the utility model.

In the figure: 1. frame; 2. groove; 3. buffer seat; 4. connecting sleeve; 5. damping spring; 6. support frame; 7. fixed seat; 1. Motor; 11. Sound insulation layer; 12. Protective cover; 13. First ring magnet; 14. Second ring magnet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-2, the utility model provides a blower DC cooling fan, including a frame 1, the middle part of the four sides of the inner wall of the frame 1 is provided with a groove 2, and one side of the inner wall of the four grooves 2 is fixed. There are buffer seats 3, and one end of the four buffer seats 3 is fixedly provided with shock absorbing springs 5, and one end of the four shock absorbing springs 5 is respectively fixedly connected with one end of the four support frames 6, and the other ends of the four support frames 6 are respectively Fixedly connected with the four side walls of the fixed seat 7, the middle part of one side of the fixed seat 7 is fixedly provided with a motor 10, one side of the fixed seat 7 is provided with an annular circular groove 9, and one side of the inner wall of the annular circular groove 9 is fixedly provided with a second A ring magnet 13, the first ring magnet 13 is magnetically connected with the second ring magnet 14, and the second ring magnet 14 is fixedly arranged on the bottom end of the protective cover 12, and one side of the protective cover 12 inner wall is fixedly provided with a sound insulation layer 11, and the motor The output end of 10 passes through the fixed seat 7 and is fixedly connected to the bottom end of the connecting sleeve 4. The side wall of the connecting sleeve 4 is fixedly provided with several fan blades 8, and one side of the frame 1 is fixedly provided with a motor switch. External power supply electrical connection.

Preferably, the sound insulation layer 11 is made of glass fiber cotton, which has good sound insulation effect and long service life.

Preferably, the bottom of the side wall of the protective cover 12 is provided with a number of cooling holes, which can dissipate heat from the motor 10 .

Preferably, the size of the protective cover 12 is larger than that of the motor 10 , which is convenient for installing and fixing the protective cover 12 .

Preferably, the tops of the four grooves 2 are fixed with limit plates to prevent the support frame 6 from falling off.

During specific use, a blower DC cooling fan of the utility model is provided with a support frame 6 on four sides of the fixed seat 7, and a shock absorbing spring 5 is fixed at one end of the four support frames 6, and then the shock absorbing spring 5 is fixedly connected with the buffer seat 3, so it can reduce the up, down, left, and right vibrations generated when the fan rotates, avoid damage to the fan, increase the service life of the fan, turn on the motor switch, and move the fan blades on the connecting sleeve 4 to rotate when the motor 10 moves, Motor 10 can produce noise in the process of rotating, and the protective cover 12 that is set with the outside of motor 10, and the bottom end of protective cover 12 is fixedly provided with sound insulation layer 11, can reduce the noise that motor 10 produces, because protective cover The first ring magnet 13 fixedly provided at one end of 12 is magnetically connected with the second ring magnet 14 on one side of the fixing base 7 , this structure is convenient for disassembling the protective cover 12 and maintaining the motor 10 .

In the description of the utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In the present utility model, unless otherwise specified and limited, for example, it may be a fixed connection, or a detachable connection, or integrated; it may be a mechanical connection, or it may be an electrical connection; it may be a direct connection, or It can be indirectly connected through an intermediary, or it can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in this document according to the specific situation. Concrete meaning in utility model.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A blower DC cooling fan, comprising a frame (1), characterized in that grooves (2) are opened in the middle of the four sides of the inner wall of the frame (1), and the inner walls of the four grooves (2) One side of each of the four buffer seats (3) is fixed with a buffer seat (3), and one end of the four buffer seats (3) is fixed with a shock absorber spring (5). One end of each support frame (6) is fixedly connected, and the other ends of the four support frames (6) are respectively fixedly connected with the four side walls of the fixing seat (7), and the middle part of one side of the fixing seat (7) is fixed A motor (10) is provided, an annular circular groove (9) is provided on one side of the fixed seat (7), and a first annular magnet (13) is fixed on one side of the inner wall of the annular circular groove (9). The first ring magnet (13) is magnetically connected to the second ring magnet (14), and the second ring magnet (14) is fixedly arranged at the bottom end of the protective cover (12), and the inner wall of the protective cover (12) One side is fixed with a sound insulation layer (11), and the output end of the motor (10) is fixedly connected to the bottom end of the connecting sleeve (4) through the fixing seat (7), and the side wall of the connecting sleeve (4) is fixed Several fan blades (8) are provided, and a motor switch is fixed on one side of the frame (1), and the motor (10) is electrically connected to an external power supply through the motor switch. 2. A blower DC cooling fan according to claim 1, characterized in that: the sound insulation layer (11) is made of glass fiber cotton. 3. The blower DC cooling fan according to claim 1, characterized in that: the bottom of the side wall of the protective cover (12) is provided with a number of cooling holes. 4. The blower DC cooling fan according to claim 1, characterized in that: the size of the protective cover (12) is larger than the size of the motor (10). 5 . The blower DC cooling fan according to claim 1 , characterized in that: the tops of the four grooves ( 2 ) are all fixedly provided with limiting plates. 6 .