Cooling fan with stable cooling function

Abstract

The utility model discloses a heat dissipation fan with stable heat dissipation, which comprises a shell, a support frame fixedly connected with the inner wall of the shell, a sealing block fixedly connected with the side surface of the support frame, an inner cylinder fixedly connected with the side surface of the sealing block, an outer cylinder in threaded connection with the outer side of the inner cylinder, and an air guide block fixedly connected with one end, far away from the sealing block, of the outer cylinder. An air inlet hole is formed in the air guide block, a filter screen is arranged in the air inlet hole, a motor is arranged in the inner cylinder, an exhaust hole is formed in the side surface of the shell, a through groove is formed in the supporting frame, the through groove is communicated with the exhaust hole, and air dispersing holes are formed in the sealing block and the supporting frame and are communicated with the through groove. According to the fan, the surface of the motor in the fan can be conveniently prevented from being full of dust, meanwhile, the motor can be cooled, the problems that heat dissipation cannot be conducted and overheating occurs due to dust accumulation are solved, meanwhile, dust moisture absorption and corrosion to the motor are avoided, and the probability of poor contact caused by much dust is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of heat dissipation fans with stable heat dissipation technical field, in particular to a kind of heat dissipation fans with stable heat dissipation. BACKGROUND

[0002] The existing heat dissipation fan with stable heat dissipation, by the design of structure, to facilitate use, but its in use, motor is exposed, in long time not use, its surface is easy to fall full of dust, to affect the service life of motor and the safe use of motor, such as Chinese patent discloses "a heat dissipation fan with stable heat dissipation structure", its application number is: "CN202220752626.8", it includes heat dissipation fan shell, fan blade and fan motor, the heat dissipation fan shell inner side is connected with fan motor by limiting pin, the fan motor main shaft top end is fixedly connected with hexagonal prism, the hexagonal prism top end is slidably connected with fixed shaft, the fixed shaft top end position and fan blade are fixedly connected together, the fixed shaft middle outer side position is fixedly connected with bearing, the bearing outer side is fixedly connected with fixed plate, by the above structure, to facilitate use, but its in use, motor is exposed, in long time not use, its surface is easy to fall full of dust, to affect the service life of motor and the safe use of motor, with limitation in use. SUMMARY

[0003] The utility model aims at least to solve one of the technical problems existing in prior art, provide a kind of heat dissipation fan with stable heat dissipation, by being provided with shell, support frame, sealing block, inner tube, outer tube, air guide block, air inlet, filter screen, motor, air outlet, through slot, air outlet, it is convenient to prevent motor surface in fan from falling full of dust, it can also be cooled down, avoid the problem that it cannot be cooled down due to dust accumulation, overheat occurs, simultaneously avoid dust absorption moisture, produce corrosion to motor, and reduce the probability that it occurs contact badly due to more dust.

[0004] The utility model discloses still provide with above-mentioned one with stable heat dissipation's heat dissipation fan, include: casing, the casing inner wall fixedly connected with support frame, support frame side surface fixedly connected with sealing block, sealing block side surface fixedly connected with inner tube, the outer side of inner tube is connected with outer tube threadedly, outer tube is fixedly connected with air guide block far from sealing block one end, be provided with air inlet on air guide block, be provided with filter screen in air inlet, be provided with motor in inner tube, casing side surface is provided with exhaust hole, support frame is provided with through -groove in, through -groove with exhaust hole intercommunication, sealing block with support frame all are provided with air outlet, air outlet with through -groove intercommunication, through above -mentioned structure, convenient for preventing the motor surface in fan to be full of dust simultaneously, can also cool down it, avoid the problem that it can not carry out heat dissipation because of dust accumulation, overheat occurs, simultaneously avoid dust moisture absorption, produce corrosion to motor, and reduce its because dust more contact bad probability.

[0005] According to the heat dissipation fan with stable heat dissipation, the support column is fixedly connected to the side surface of the motor at the end away from the inner tube, and the motor is supported through the above structure.

[0006] According to the heat dissipation fan with stable heat dissipation, the bearing is fixedly connected to the end of the support frame away from the casing, the rotating shaft is rotatably connected in the bearing, and the rotating shaft is fixedly connected to the output end of the motor, so that the rotating shaft is driven to rotate through the above structure.

[0007] According to the heat dissipation fan with stable heat dissipation, the clamping ring is arranged on the side of the support frame away from the motor, the clamping groove is arranged on the clamping ring, and the position of the clamping ring is determined through the above structure.

[0008] According to the heat dissipation fan with stable heat dissipation, the clamping block is clamped in the clamping groove, and the clamping block is fixedly connected to the side surface of the rotating shaft, so that the clamping ring is clamped through the above structure.

[0009] According to the heat dissipation fan with stable heat dissipation, the clamping block is fixedly connected to the side surface of the rotating shaft, and the clamping block is clamped in the clamping groove, so that the clamping ring is clamped through the above structure.

[0010] According to the heat dissipation fan with stable heat dissipation, the clamping block is fixedly connected to the side surface of the rotating shaft, and the clamping block is clamped in the clamping groove, so that the clamping ring is clamped through the above structure.

[0011] The utility model relates to a heat dissipation fan with stable heat dissipation, shell side surface fixedly connected with base, the front and rear sides of shell are connected with front guard net and rear guard net through bolt, through above structure, it is convenient to improve its security.

[0012] Beneficial effects:

[0013] Compared with the prior art, the heat dissipation fan with stable heat dissipation, by being provided with shell, support frame, sealing block, inner tube, outer tube, air guide block, air inlet hole, filter screen, motor, air outlet hole, through groove, air outlet hole, can prevent the motor surface in the fan from being full of dust, and also can cool it, avoid the problem that it cannot be cooled due to dust accumulation, overheat occurs, dust absorption is avoided, and the probability of poor contact due to too much dust is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples;

[0015] Figure 1 It is the overall structural drawing of the utility model heat dissipation fan with stable heat dissipation;

[0016] Figure 2 It is the bottom structure drawing of the utility model heat dissipation fan with stable heat dissipation;

[0017] Figure 3 It is the transverse section structure drawing of the utility model heat dissipation fan with stable heat dissipation;

[0018] Figure 4 It is the longitudinal section structure drawing of the utility model heat dissipation fan with stable heat dissipation;

[0019] Figure 5 It is the utility model heat dissipation fan with stable heat dissipation Figure 3 Enlarged structure drawing of C place.

[0020] Legend:

[0021] 1, base;2, shell;3, rear guard net;4, front guard net;5, air outlet hole;6, support frame;7, through groove;8, fan blade;9, air guide block;10, air inlet hole;11, filter screen;12, motor;13, outer tube;14, inner tube;15, support column;16, rotating shaft;17, clamping block;18, clamping groove;19, clamping ring;20, fixed sleeve;21, air outlet hole;22, sealing block;23, bearing. DETAILED DESCRIPTION

[0022] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Referring to Figures 1-5 The utility model discloses a kind of heat dissipation fans with stable heat dissipation, it includes: shell 2, support frame 6 is fixedly connected in shell 2 inner wall, support frame 6 is fixedly connected with bearing 23 away from one end of shell 2, rotating shaft 16 is rotatably connected in bearing 23, rotating shaft 16 is fixedly connected at motor 12 output end, drive rotating shaft 16 rotation, support frame 6 side surface is fixedly connected with sealing block 22, it is convenient to use, sealing block 22 side surface is fixedly connected with inner cylinder 14, support column 15 is fixedly connected on the inner wall of inner cylinder 14, support column 15 is fixedly connected on the side surface of motor 12 away from one end of inner cylinder 14, and motor 12 is supported and fixed, outer cylinder 13 is screw-connected on the outside of inner cylinder 14, it is convenient to take down outer cylinder 13, air guide block 9 is fixedly connected on the end of outer cylinder 13 away from sealing block 22, reduce wind resistance, air inlet hole 10 is provided on air guide block 9, it is convenient for air to enter, filter screen 11 is arranged in air inlet hole 10, dust in air is filtered, motor 12 is arranged in inner cylinder 14, air outlet hole 5 is arranged on the side surface of shell 2, it is convenient for air to discharge, through groove 7 is arranged in support frame 6, through groove 7 is communicated with air outlet hole 5, air outlet hole 21 is arranged on sealing block 22 and support frame 6, air outlet hole 21 is communicated with through groove 7, it is convenient for air to flow, base 1 is fixedly connected on the side surface of shell 2, front protective net 4 and rear protective net 3 are connected by bolt on the front and rear of shell 2, it is convenient to improve its security.

[0024] Support frame 6 side is provided with snap ring 19, and snap ring 19 is located away from motor 12 side, snap ring 19 is provided with clamping groove 18, it is convenient to clamp snap ring 19, clamping groove 18 is clamped with clamping block 17, clamping block 17 is fixedly connected on the side surface of rotating shaft 16, it is convenient to fix clamping block 17, clamping block 17 side surface is fixedly connected with fan blade 8, fan blade 8 is annularly distributed, it is convenient to fix the position of fan blade 8, fixed sleeve 20 is arranged on the end of rotating shaft 16 away from motor 12, fixed sleeve 20 is screw-connected with rotating shaft 16, and the edge determines the position of fan blade 8.

[0025] Working principle: in use, through the control module installed on the base 1, make motor 12 work, drive rotating shaft 16 rotation, so that the fan blade 8 rotation, and air is affected by the fan blade 8, from the rear protective net 3 to the front protective net 4, in flow, part of the air into the air inlet hole 10, after the filtration of filter screen 11, blow to the surface of motor 12, the motor 12 is cooled, then from the air outlet hole 21 into the channel 7, finally from the exhaust hole 5 on the surface of the shell 2, when you need to view the motor 12, because the outer cylinder 13 and the inner cylinder 14 are threadedly connected, the outer cylinder 13 can be rotated, the air guide block 9 can be removed, when you need to replace the fan blade 8, unscrew the fixing sleeve 20, separate the clamping block 17 and the clamping ring 19, and the fan blade 8 can be replaced.

[0026] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A cooling fan with stable heat dissipation, characterized in that, include: The housing (2) has a support frame (6) fixedly connected to its inner wall. A sealing block (22) is fixedly connected to the side surface of the support frame (6). An inner cylinder (14) is fixedly connected to the side surface of the sealing block (22). An outer cylinder (13) is threadedly connected to the outside of the inner cylinder (14). A guide block (9) is fixedly connected to the end of the outer cylinder (13) away from the sealing block (22). An air inlet (10) is provided on the guide block (9). A filter screen (11) is provided inside the air inlet (10). A motor (12) is provided inside the inner cylinder (14). An exhaust hole (5) is provided on the side surface of the housing (2). A through groove (7) is provided inside the support frame (6). The through groove (7) is connected to the exhaust hole (5). Both the sealing block (22) and the support frame (6) have ventilation holes (21). The ventilation holes (21) are connected to the through groove (7).

2. A cooling fan with stable heat dissipation according to claim 1, characterized in that, The inner wall of the inner cylinder (14) is fixedly connected to a support column (15), and the end of the support column (15) away from the inner cylinder (14) is fixedly connected to the side surface of the motor (12).

3. A cooling fan with stable heat dissipation according to claim 1, characterized in that, The support frame (6) is fixedly connected to a bearing (23) at the end away from the housing (2). A rotating shaft (16) is rotatably connected inside the bearing (23). The rotating shaft (16) is fixedly connected to the output end of the motor (12).

4. A cooling fan with stable heat dissipation according to claim 1, characterized in that, A retaining ring (19) is provided on the side of the support frame (6). The retaining ring (19) is located on the side away from the motor (12). A retaining groove (18) is provided on the retaining ring (19).

5. A cooling fan with stable heat dissipation according to claim 4, characterized in that, A locking block (17) is engaged in the slot (18), and the locking block (17) is fixedly connected to the side surface of the rotating shaft (16).

6. A cooling fan with stable heat dissipation according to claim 5, characterized in that, The side surface of the card block (17) is fixedly connected with fan blades (8), which are distributed in a ring.

7. A cooling fan with stable heat dissipation according to claim 3, characterized in that, A fixing sleeve (20) is provided at the end of the rotating shaft (16) away from the motor (12), and the fixing sleeve (20) is threadedly connected to the rotating shaft (16).

8. A cooling fan with stable heat dissipation according to claim 1, characterized in that, The housing (2) is fixedly connected to a base (1) on its side surface, and the front and rear sides of the housing (2) are connected by bolts to a front protective net (4) and a rear protective net (3).

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