CN220337095U - Antidetonation low noise radiator fan - Google Patents

Abstract

The utility model provides an anti-vibration low-noise cooling fan which comprises a shell, a motor, fan blades and a fixing plate, wherein through holes are formed in the middle of the shell and the fixing plate, one end of the shell, which is positioned at the through holes, is an air inlet, a supporting plate is arranged on one side of the inner part of the air inlet of the cooling hole, the supporting plate is fixedly connected with the bottom of the motor through a mounting seat, the motor is fixedly connected with the fan blades through a rotating shaft, the upper end and the lower end of the shell are connected with dust-proof plates through a plurality of buckles, a plurality of ventilation openings are formed in the dust-proof plates, filter pads are arranged at the bottoms of the dust-proof plates at the plurality of ventilation openings of the cooling hole, connecting screw holes are formed in four corners of the shell, the connecting screw holes are connected with four corners of the fixing plate in a matched mode through bolts and nuts, the nuts are positioned below the fixing plate, and compression springs are arranged between the connecting screw holes and the fixing plate.

Description

Antidetonation low noise radiator fan

Technical Field

The utility model belongs to the technical field of cooling fans for computers, and particularly relates to an anti-vibration low-noise cooling fan.

Background

The computer is commonly called as a computer, is an electronic computing machine for high-speed computation, can perform numerical computation and logic computation, and has a storage and memory function. The application of the computer has been expanded to various fields of society, the computer industry with huge scale has been formed, the global technical progress is driven, the national living standard is improved, the material demand is correspondingly improved, and the computer enters into the ordinary family, so that the computer becomes an indispensable tool in the information society.

When the computer runs, the internal hardware of the computer runs to generate heat, and the heat is generally dissipated through the heat dissipation fan arranged in the computer, so that the internal hardware is prevented from being damaged due to overhigh temperature. In the running process of the existing cooling fan, the rotating speed of the fan is high under the drive of the motor, so that vibration occurs between the fan and air, certain noise can be generated, and when the noise is too large, the use experience can be influenced; in addition, the existing radiator fan does not have an anti-vibration effect, when the radiator fan is in operation, certain vibration can occur due to the fact that the motor drives the fan to rotate, the fan connection portion vibrates, the integral structure of the radiator fan can be continuously loosened, noise is generated, and meanwhile the radiator fan is more prone to damage.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides an anti-vibration low-noise cooling fan.

The utility model provides an anti-vibration low-noise cooling fan, which comprises a shell, a motor, fan blades and a fixed plate, and is characterized in that: the utility model discloses a motor, including casing, fixed plate, connecting screw and fixing plate, the centre of casing and fixing plate all is provided with the through-hole, the one end that the casing is located the through-hole is the air intake, inside one side of air intake is provided with the backup pad, through mount pad and motor bottom fixed connection in the backup pad, the motor is through pivot and flabellum fixed connection, the upper and lower both ends of casing are connected with the dust guard through a plurality of buckles, be provided with a plurality of vents on the dust guard, the bottom of dust guard is located a plurality of vents department and is provided with the filter pad, the four corners of casing is provided with the connecting screw, the connecting screw passes through the four corners cooperation of bolt and nut and fixing plate and is connected, wherein the nut is located the below of fixing plate, be provided with compression spring between connecting screw and the fixing plate.

Further, a plurality of heat dissipation openings are formed in the side face of the mounting seat, and a first sound absorption cotton sleeve is filled between the mounting seat and the motor.

Further, the fan blade wraps 4/5 of the mounting seat from the upper side, and a second sound-absorbing cotton sleeve is arranged on the inner side of the fan blade.

Further, corresponding clamping grooves are formed in the positions, located at the plurality of buckles, of the shell.

Further, the filter pad is matched with the shape of the through hole, the edge of the filter pad is adhered to the bottom of the dust-proof plate through a sealing sound-absorbing strip, and the middle of the sealing sound-absorbing strip is positioned at the boundary of the through hole.

Further, the inside of connecting the screw is provided with the separate piece, the nut on the bolt is located the top of separate piece, and is provided with first sound cotton pad of inhaling between bolt and the separate piece, the below of separate piece offsets with compression spring.

Further, the two ends of the compression spring and the connecting positions of the connecting screw holes and the fixing plate are respectively provided with a second sound-absorbing cotton pad.

The utility model has the beneficial effects that:

1. according to the radiating fan, the dustproof nets are arranged on the two sides of the radiating fan, and the noise generated by the dustproof nets is adsorbed by the sound-absorbing cotton sleeves at the edges of the dustproof nets, so that the noise of the radiating fan can be absorbed while the dust in the radiating fan is reduced, and the noise of the radiating fan is further reduced;

2. this radiator fan is through setting up the cotton cover of inhaling sound or inhale the cotton pad of inhaling in the junction of each part, can carry out certain absorption to the vibrations that take place of junction when absorbing the noise, reduce the vibrations that take place in the motor operation in-process to form between casing and the fixed plate and regard bolt and nut as the axis, casing and fixed plate are as the spring damper of friction shock attenuation board, thereby can reduce the vibrations that take place at the use of radiator fan, thereby make this radiator fan possess the shock-resistant function.

Drawings

Fig. 1 is a block diagram 1 of an anti-vibration low-noise cooling fan according to the present utility model.

Fig. 2 is a structural diagram 2 of an anti-vibration low-noise heat radiation fan according to the present utility model.

Fig. 3 is a cross-sectional view of a vibration-resistant low-noise radiator fan according to the present utility model.

Fig. 4 is an enlarged view of the a-position structure of the vibration-resistant low-noise radiator fan according to the present utility model.

Fig. 5 is a sectional view of a connecting screw hole of the anti-vibration low-noise heat radiation fan according to the present utility model.

Fig. 6 is a diagram showing an explosion structure of a motor and blades of the anti-vibration low-noise cooling fan according to the present utility model.

( 1. A housing; 2. a motor; 3. a fan blade; 4. a fixing plate; 5. a through hole; 6. a support plate; 7. a mounting base; 8. a rotating shaft; 9. a plurality of buckles; 10. a dust-proof plate; 11. a plurality of ventilation openings; 12. a filter pad; 13. a connecting screw hole; 14. a bolt; 15. a nut; 16. a compression spring; 17. a plurality of heat dissipation ports; 18. a first sound absorbing cotton sleeve; 19. a second sound absorbing cotton sleeve; 20. a clamping groove; 21. sealing the sound-absorbing strip; 22. a separation block; 23. a first sound absorbing cotton pad; 24. second sound-absorbing cotton pad )

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-6, the anti-vibration low-noise cooling fan provided by the utility model comprises a shell 1, a motor 2, fan blades 3 and a fixing plate 4, wherein through holes 5 are formed in the middle of the shell 1 and the fixing plate 4, one end of the shell 1, which is positioned at the through holes 5, is an air inlet, one side of the inside of the air inlet is provided with a supporting plate 6, the supporting plate 6 is fixedly connected with the bottom of the motor 2 through a mounting seat 7, the motor 2 is fixedly connected with the fan blades 3 through a rotating shaft 8, the upper end and the lower end of the shell 1 are connected with a dust-proof plate 10 through a plurality of buckles 9, a plurality of ventilation holes 11 are formed in the dust-proof plate 10, filter pads 12 are arranged at the positions of the bottom of the dust-proof plate 10 at the plurality of ventilation holes 11, connecting screw holes 13 are connected with four corners of the fixing plate 4 through bolts 14 and nuts 15 in a matched mode, the nuts 15 are positioned below the fixing plate 4, and compression springs 16 are arranged between the connecting screw holes 13 and the fixing plate 4.

Example 1:

the motor 2 and the fan blades 3 connected through the rotating shaft 8 are fixed on the supporting plate 6 through the mounting seat 7, the filter pad 12 is adhered below the dustproof plate 10 through the sealing sound absorbing strip 21, the dustproof plate 10 is buckled and connected with the clamping grooves 20 on the shell 1 through the plurality of buckles 9 on the outer side, the dustproof plate 10 can be fixed, after the compression springs 16 are inserted into the connecting screw holes 13 through the bolts 14, the compression springs 16 are placed between the connecting screw holes 13 and the fixed plate 4 and fixedly connected with the nuts 15 at the bottom of the fixed plate 4, and therefore the assembly of the heat dissipation fan is completed, and the heat dissipation fan is installed through the fixed plate 4.

Example 2:

in the process that the motor 2 drives the fan blade 3 to rotate through the rotating shaft 8, the vibration generated by the motor 2 can be buffered through the first sound-absorbing cotton sleeve 18 between the outer side of the motor 2 and the mounting seat 7, the sound generated by the motor 2 is reduced, the sound generated by the motor 2 can be further absorbed through the second sound-absorbing sleeve on the inner side of the fan blade 3, when the sound is transmitted to the outer side of the shell 1, the sound of the motor 2 and the fan blade 3 in the shell 1 can be reduced through the filter pad 12 and the sealing sound-absorbing strip 21 with the edge being used for fixing, when the motor 2 drives the shell 1 to vibrate wholly, the compression spring 16 between the shell 1 and the fixing plate 4 is driven through the vibration of the shell 1, the damping structure of the damper is formed among the bolts 14, the shell 1 and the fixing plate 4, and the noise generated in the motion process of the damper due to collision can be effectively reduced through the first sound-absorbing cotton pad 23 and the second sound-absorbing cotton pad 24 arranged at the connecting position.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model and its embodiments have been described above with no limitation, and the specific embodiments are shown as only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. The utility model provides an antidetonation low noise radiator fan, includes casing, motor, flabellum and fixed plate, its characterized in that: the utility model discloses a motor, including casing, fixed plate, connecting screw and fixing plate, the centre of casing and fixing plate all is provided with the through-hole, the one end that the casing is located the through-hole is the air intake, inside one side of air intake is provided with the backup pad, through mount pad and motor bottom fixed connection in the backup pad, the motor is through pivot and flabellum fixed connection, the upper and lower both ends of casing are connected with the dust guard through a plurality of buckles, be provided with a plurality of vents on the dust guard, the bottom of dust guard is located a plurality of vents department and is provided with the filter pad, the four corners of casing is provided with the connecting screw, the connecting screw passes through the four corners cooperation of bolt and nut and fixing plate and is connected, wherein the nut is located the below of fixing plate, be provided with compression spring between connecting screw and the fixing plate.

2. The vibration-resistant low-noise radiator fan according to claim 1, wherein: the side of mount pad is provided with a plurality of thermovent, it has first sound cotton cover of inhaling to fill between mount pad and the motor.

3. The vibration-resistant low-noise radiator fan according to claim 1, wherein: the fan blade wraps 4/5 of the mounting seat from the upper side, and a second sound-absorbing cotton sleeve is arranged on the inner side of the fan blade.

4. The vibration-resistant low-noise radiator fan according to claim 1, wherein: the shell is provided with corresponding clamping grooves at the positions of the plurality of buckles.

5. The vibration-resistant low-noise radiator fan according to claim 1, wherein: the shape of filter pad and through-hole matches, and filter pad's edge is through sealed sound absorbing strip and dust guard's bottom bonding, sealed sound absorbing strip's centre is located the boundary department of through-hole.

6. The vibration-resistant low-noise radiator fan according to claim 1, wherein: the inside of connecting the screw is provided with the separate piece, the nut on the bolt is located the top of separate piece, and is provided with first sound cotton pad of inhaling between bolt and the separate piece, the below of separate piece offsets with compression spring.

7. The vibration-resistant low-noise radiator fan according to claim 1, wherein: and the joints of the two ends of the compression spring and the connecting screw holes and the fixing plate are respectively provided with a second sound-absorbing cotton pad.