CN220168191U

CN220168191U - Cooling fan

Info

Publication number: CN220168191U
Application number: CN202321139246.8U
Authority: CN
Inventors: 吕成旭; 臧飞; 王炳武
Original assignee: Zibo Best Building Energy Technology Co ltd
Current assignee: Zibo Best Building Energy Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-12-12
Anticipated expiration: 2033-05-10

Abstract

The utility model relates to a cooling fan, which comprises a shell, wherein square frames are fixedly arranged at the front end and the rear end of the shell, sliding grooves are formed in the inner wall of the square frames and are positioned at the two sides of the square frames, protection plates are fixedly arranged in the sliding grooves, protection nets are fixedly arranged in the middle of the protection plates, cylinder bodies are fixedly arranged at the two side surfaces of the square frames and are positioned at the upper end and the lower end of the square frames, bolts are fixedly arranged in the cylinder bodies, insertion holes are correspondingly formed in the outer walls of the protection plates, one ends of the bolts penetrate through the square frames and are positioned in the insertion holes, springs are fixedly arranged at the other ends of the cylinder bodies, the other ends of the bolts penetrate through the cylinder bodies and are provided with pull blocks, one ends of the springs are fixedly connected with the inner walls of the pull blocks, and a user can easily slide out the protection plates to clean the protection nets at the upper ends of the protection plates by pulling the pull blocks outwards.

Description

Cooling fan

Technical Field

The utility model relates to the technical field of fans, in particular to a cooling fan.

Background

The cooling fan is mainly used for cooling and capacity increasing of dry transformers, cooling and cooling of products such as electronic equipment, a power distribution cabinet, a high-low voltage switch cabinet and the like, the cooling fan can also be applied to cooling requirements in an industrial production process, for an industrial system, the cooling fan is mainly used for providing cooling air for heating electric devices, is generally configured and installed in the interior or the periphery of a heating electric device and is used for cooling heating electric devices so as to prolong the service life of the cooling fan and prevent the cooling fan from being damaged, the air inlet end and the air outlet end of the cooling fan are both provided with protective screens, the protective screens are mainly used for preventing external foreign matters from entering the fan to damage internal parts of the fan, staff can be prevented from accidentally extending into the fan to damage the fan during working, therefore, the space between the protective screens is generally designed to be small, a large amount of dust impurities are adhered to the protective screen covers during long-term running of the fan, the dust impurities are accumulated and excessively influence the air outlet quantity of the cooling fan, so that the cooling effect is influenced; most of motors arranged on the cooling fans are exposed outdoors and are easily influenced by dust, so that the service life of the motors is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a cooling fan to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cooling fan, includes the casing, both ends are all fixed around the casing are equipped with square frame, the spout has all been seted up on the inner wall of square frame and be located the both sides, the inside of spout all slides and is equipped with the guard plate, the fixed protection network that is equipped with in intermediate position of guard plate, the both sides face of square frame and be located the both ends and all fix and be equipped with the barrel about, the inside of barrel all slides and is equipped with the bolt, the jack has been seted up to the correspondence on the outer wall of guard plate, square frame and the inside that is located the jack are all passed to the one end of bolt, the other end of barrel all is fixed and is equipped with the spring, the other end of bolt all passes the barrel and is equipped with the pull block, be equipped with the mounting panel on the outer wall of square frame, the mounting panel adopts the bolt installation with square frame, be equipped with the motor on the outer wall of mounting panel.

Preferably, the outer end of motor is equipped with the protecting crust, the both sides face of protecting crust is all fixed and is equipped with the otic placode, all seted up the connecting hole on the otic placode, all correspond the mounting hole of having seted up on the mounting panel, the inside of connecting hole and mounting hole is equipped with set screw, is convenient for protect and prevent dust to the motor.

In a further preferred mode, the output end of the motor passes through the mounting plate and the protective net and is fixedly provided with a rotating shaft, one end of the rotating shaft is provided with a mounting sleeve inside the shell, the outer wall of the mounting sleeve is provided with mounting blocks, the mounting blocks are provided with a plurality of circumferentially arranged mounting blocks, the mounting blocks are provided with plugging grooves, the plugging grooves are formed in the plugging grooves, the other ends of the plugging blocks are provided with fan blades, and the fan blades are convenient to rotate.

In a further preferred aspect, the plug blocks are fixedly mounted on the inner wall of the plug groove by bolts, so that the individual fan blades can be conveniently detached.

In a further preferred embodiment, the lower end face of the housing is fixedly provided with external connection plates at two sides, and the external connection plates are provided with external connection holes for facilitating the installation of the device and the ground.

In a further preferred embodiment, the outer wall of the protecting shell is provided with a plurality of heat dissipation holes on two sides, and the heat dissipation holes are uniformly formed, so that the motor is convenient to dissipate heat, and the service life is prolonged.

In a further preferred embodiment, the upper ends of the heat dissipation holes are fixedly provided with arc-shaped stoppers on the outer wall of the protective shell, so as to be convenient for blocking most of dust outside.

(III) beneficial effects

Compared with the prior art, the utility model provides a cooling fan, which has the following beneficial effects:

1. according to the utility model, the square frame, the sliding groove, the protection plate, the protection net, the cylinder body, the plug pins, the jacks, the springs and the pull blocks are arranged, so that when a user needs to detach or clean the protection net, the plug pins can slide in the cylinder body by pulling the pull blocks outwards until one end of the plug pins is separated from the jacks, and at the moment, the protection plate can be easily slid out to clean the protection net at the upper end of the protection plate, so that the protection net is prevented from being blocked by dust, and then the wind power of the device is influenced;

2. according to the utility model, the motor, the protective shell, the ear plate, the connecting hole, the mounting hole and the fixing screw are arranged, so that a user can fixedly mount the protective shell and the mounting plate through the fixing screw to protect the motor and prevent dust from entering, and the heat dissipation hole and the arc-shaped stop block are arranged, so that the motor can dissipate heat when in operation, and can block external dust, thereby being convenient to use;

3. according to the utility model, the mounting sleeve, the mounting block, the inserting groove, the inserting block and the fan blade are arranged, so that when a user needs to replace a broken single fan blade, the user can split the inserting block and the inserting groove through bolts, and the broken fan blade can be taken out at the moment without replacing the whole mounting sleeve and the fan blade, and the maintenance cost is saved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a cooling fan according to the present utility model;

FIG. 2 is an exploded view of the installation of square frames, shields and pins in the present utility model;

FIG. 3 is an exploded view of the mounting plate, protective housing and set screw of the present utility model;

FIG. 4 is a schematic view of the installation of the mounting sleeve, mounting block, plug block and fan blade of the present utility model;

FIG. 5 is a schematic view of the mounting locations of the mounting plate, protective housing and set screw of the present utility model.

In the figure: 1. a housing; 2. a square frame; 3. a chute; 4. a protection plate; 5. a protective net; 6. a cylinder; 7. a plug pin; 8. a jack; 9. a spring; 10. pulling blocks; 11. a mounting plate; 12. a motor; 13. a protective shell; 14. ear plates; 15. a connection hole; 16. a mounting hole; 17. a fixing screw; 18. a rotating shaft; 19. a mounting sleeve; 20. a mounting block; 21. a plug-in groove; 22. a plug block; 23. a fan blade; 24. an outer connecting plate; 25. an external hole; 26. a heat radiation hole; 27. an arc-shaped stop block.

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.

Example 1:

referring to fig. 1-5, a cooling fan comprises a housing 1, square frames 2 are fixedly arranged at the front end and the rear end of the housing 1, sliding grooves 3 are formed in the inner wall of each square frame 2 and located at the two sides of each square frame 2, a protection plate 4 is slidably arranged in each sliding groove 3, a protection net 5 is fixedly arranged in the middle of each protection plate 4, a barrel 6 is fixedly arranged at the two side surfaces of each square frame 2 and located at the upper end and the lower end of each square frame 2, bolts 7 are slidably arranged in each barrel 6, jacks 8 are correspondingly formed in the outer walls of the protection plates 4, one ends of the bolts 7 penetrate through each square frame 2 and are located in the jacks 8, springs 9 are fixedly arranged at the other ends of the barrels 6, the other ends of the bolts 7 penetrate through the barrels 6 and are provided with pull blocks 10, one ends of the springs 9 are fixedly connected with the inner walls of the pull blocks 10, a mounting plate 11 is arranged on the outer walls of each square frame 2, the mounting plate 11 and the square frame 2 are fixedly provided with a motor 12.

In this embodiment, the outer end of the motor 12 is provided with a protecting shell 13, two sides of the protecting shell 13 are respectively and fixedly provided with an ear plate 14, each ear plate 14 is provided with a connecting hole 15, each mounting plate 11 is correspondingly provided with a mounting hole 16, the interiors of the connecting holes 15 and the mounting holes 16 are provided with fixing screws 17, and a user can mount and dismount the protecting shell 13 through the fixing screws 17.

In this embodiment, the output end of the motor 12 passes through the mounting plate 11 and the protection net 5 and is fixedly provided with a rotation shaft 18, one end of the rotation shaft 18 is provided with a mounting sleeve 19 inside the housing 1, the outer wall of the mounting sleeve 19 is provided with a plurality of mounting blocks 20, the mounting blocks 20 are arranged in a circumferential shape, each mounting block 20 is provided with a plugging slot 21, the inside of each plugging slot 21 is provided with a plugging block 22, the other end of each plugging block 22 is provided with a fan blade 23, and a user can rotate the fan blade 23 by opening the motor 12.

In this embodiment, the plugging blocks 22 are fixedly mounted on the inner wall of the plugging slot 21 by bolts, and a user can detach the single fan blade 23 by bolts.

In this embodiment, the lower end surface of the housing 1 is fixedly provided with external connection plates 24 on both sides, and external connection holes 25 are formed on the external connection plates 24, so that a user can connect the device with the ground through the external connection holes 25.

In this embodiment, the outer wall of the protecting shell 13 is provided with heat dissipation holes 26 on both sides, and the heat dissipation holes 26 are uniformly provided with a plurality of heat dissipation holes, so that the heat emitted by the motor 12 during operation can be rapidly dissipated.

In this embodiment, the upper ends of the heat dissipation holes 26 are fixedly provided with arc-shaped stoppers 27 on the outer wall of the protecting shell 13, so that external dust can be blocked, and the service life of the motor 12 is prolonged.

Example 2:

in sum, when the user need dismantle or wash protection network 5, when the user can make bolt 7 slide in barrel 6 through pulling pull block 10 outwards, until its one end breaks away from jack 8, alright at this moment with the guard plate 4 slip take out, so as to wash protection network 5 of its upper end, prevent that the dust from causing the jam to protection network 5, then influence the wind-force of the device, and still set up protecting shell 13 at the outer end of motor 12, thereby the user can be through fixing screw 17 with protecting shell 13 and mounting panel 11, so that it protects motor 12, prevent that the dust from getting into, and through setting up louvre 26 and arc dog 27, not only can make motor 12 dispel the heat when the during operation, but also can block external dust, convenient to use, when single flabellum 23 breaks down, the user can split plug block 22 and jack 21 through the bolt, alright take out the flabellum 23 that breaks away at this moment, need not change whole installation cover 19 and 23, maintenance cost is saved.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Cooling fan, including casing (1), its characterized in that: the utility model discloses a motor, including casing (1), square frame (2) are all fixed in both ends around casing (1), spout (3) have all been seted up on the inner wall of square frame (2) and be located both sides, the inside of spout (3) all slides and is equipped with guard plate (4), the intermediate position of guard plate (4) is fixed and is equipped with protection network (5), both sides face and the upper and lower both ends that are located of square frame (2) are all fixed and are equipped with barrel (6), the inside of barrel (6) all slides and is equipped with bolt (7), jack (8) have been seted up to correspondence on the outer wall of guard plate (4), square frame (2) are all passed to the one end of bolt (7) and are located the inside of jack (8), the other end of barrel (6) all is fixed and is equipped with spring (9), the one end of spring (9) all with the inner wall fixed connection of pulling piece (10), be equipped with mounting panel (11) on the outer wall of square frame (2), mounting panel (11) and motor (2) adopt the outer wall of bolt (11) to be equipped with.

2. A cooling fan according to claim 1, wherein: the outer end of motor (12) is equipped with protecting crust (13), the both sides face of protecting crust (13) is all fixed and is equipped with otic placode (14), connecting hole (15) have all been seted up on otic placode (14), mounting hole (16) have all been seted up to correspondence on mounting panel (11), the inside of connecting hole (15) and mounting hole (16) is equipped with set screw (17).

3. A cooling fan according to claim 1, wherein: the output of motor (12) passes mounting panel (11) and protection network (5) and is fixed to be equipped with axis of rotation (18), the one end of axis of rotation (18) just is located the inside of casing (1) and is equipped with installation cover (19), be equipped with installation piece (20) on the outer wall of installation cover (19), installation piece (20) are provided with a plurality of and become the circumference and arrange, grafting groove (21) have all been seted up on installation piece (20), the inside of grafting groove (21) is equipped with grafting piece (22), the other end of grafting piece (22) all is equipped with flabellum (23).

4. A cooling fan according to claim 3, wherein: the plug-in blocks (22) are fixedly arranged on the inner wall of the plug-in groove (21) through bolts.

5. A cooling fan according to claim 1, wherein: the lower end face of the shell (1) is fixedly provided with external connection plates (24) on two sides, and the external connection plates (24) are provided with external connection holes (25).

6. A cooling fan according to claim 2, wherein: the outer wall of the protective shell (13) is provided with radiating holes (26) on two sides, and the radiating holes (26) are uniformly formed in a plurality of parts.

7. A cooling fan as claimed in claim 6, wherein: the upper ends of the radiating holes (26) are fixedly provided with arc-shaped stop blocks (27) on the outer wall of the protective shell (13).