CN213838950U

CN213838950U - Prevent axial fan of abnormal sound

Info

Publication number: CN213838950U
Application number: CN202022767454.5U
Authority: CN
Inventors: 丁书宏; 夏正强
Original assignee: Taizhou Surk Electromechanical Equipment Co ltd
Current assignee: Taizhou Surk Electromechanical Equipment Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-30
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an axial flow fan for preventing abnormal sound, which comprises an axial flow fan body, wherein a shell is arranged on the axial flow fan body, a groove is arranged at the upper end of the shell, a moving rod is movably arranged in the groove, a push rod is arranged at the outer side of the moving rod close to the shell, a sliding groove is arranged at one side of the shell close to the push rod, a first spring is arranged at the top of the sliding groove, and a sealing block is arranged at one end of the first spring; has the advantages that: the device has a buffering effect under the matching of the second spring and the third spring, so that the noise of the axial flow fan body is favorably reduced, and the axial flow fan runs more stably; simultaneously through promoting the push rod for brush on the carriage release lever carries out the deashing to the pivot of axial fan body when rotating and handles, and the machine oil that spills in the oil pipe through the shower nozzle on the carriage release lever this moment adds the lubricating oil treatment to the pivot of axial fan body, has reduced the step that needs dismouting axial fan body, prevents to produce the emergence of abnormal sound.

Description

Prevent axial fan of abnormal sound

Technical Field

The utility model relates to an axial fan's technical field specifically is an axial fan who prevents abnormal sound.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

The current axial fan does not have the structure of making an uproar of falling, can produce the vibration when the impeller is rotated in the motor drive, consequently can produce a large amount of noise pollution, has reduced the stability of the use of equipment, and has the dust to get into and make the fan produce the abnormal sound when moving in the casing usually, also can produce the abnormal sound when moving under the long term if not operating oil, for this the utility model provides an axial fan who prevents the abnormal sound is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent axial fan of abnormal sound to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial fan for preventing abnormal sound, includes the axial fan body, be provided with the casing on the axial fan body, the casing upper end is seted up flutedly, the recess internalization is provided with the carriage release lever, the outside that the carriage release lever is close to the casing is provided with the push rod, the casing is close to one side of push rod and has seted up the sliding tray, the top of sliding tray is provided with first spring, the one end of first spring is provided with sealed piece, the bottom of sealed piece is provided with the lantern ring, the lower extreme of casing is provided with the guide plate, the upper and lower both sides of casing all are provided with the fixed plate, the spacing groove has been seted up on the fixed plate, be provided with the second spring on the spacing groove, second spring fixedly connected with movable block.

Preferably, an oil pipe is arranged inside the moving rod, a branch pipe is arranged at the bottom of the oil pipe, a spray head is arranged on the branch pipe, and a brush is arranged at the bottom of the moving rod.

Preferably, a first telescopic rod is arranged at the top of the moving rod, a through groove is formed in the first telescopic rod, and the through groove is communicated with the oil pipe.

Preferably, the push rod is inserted in the lantern ring, a second telescopic rod is arranged at the bottom of the lantern ring, a moving groove is formed in the surface, close to the push rod, of the shell, and the push rod is connected with the moving groove in a sliding mode.

Preferably, the lower end of the shell is provided with an engine oil channel, and a valve is arranged on the engine oil channel and close to the outer side of the shell.

Preferably, the moving block is of an i-shaped structure, penetrates through the limiting groove and extends to the outer side of the fixing plate, a third spring is arranged between the moving block and the fixing plate, and a buffer gasket is arranged on the surface of the moving block and is of a rubber layer structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device can generate vibration when the motor drives the impeller to rotate, so that the axial flow fan body can be in contact with the moving block, and a buffering effect is achieved under the matching of the second spring and the third spring, so that the noise of the axial flow fan body is favorably reduced, and the axial flow fan can run more stably; simultaneously through promoting the push rod for brush on the carriage release lever carries out the deashing to the pivot of axial fan body when rotating and handles, and the machine oil that spills in the oil pipe through the shower nozzle on the carriage release lever this moment adds the lubricating oil treatment to the pivot of axial fan body, has reduced the step that needs dismouting axial fan body, prevents to produce the emergence of abnormal sound.

2. The top of the sliding groove of the device is provided with a first spring, one end of the first spring is provided with a sealing block, the bottom of the sealing block is provided with a lantern ring, and in the process of moving the push rod, the sealing block and the second telescopic rod are pulled to move under the elastic force of the first spring, so that the moving groove is always kept sealed, and abnormal sound is generated when the axial flow fan body is operated due to the fact that dust is prevented from entering the moving groove.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the utility model at B;

fig. 4 is an enlarged schematic structural view at the position C of the present invention;

fig. 5 is a side view of the moving chute of the present invention.

In the figure: an axial flow fan body 1; a housing 2; a groove 3; a travel bar 31; an oil pipe 32; a branch pipe 33; a spray head 34; a brush 35; a first telescopic rod 36; a push rod 4; a slide groove 41; a first spring 42; a sealing block 43; a collar 44; a second telescopic rod 45; a moving slot 46; a deflector 5; an oil passage 51; a fixed plate 6; a limit groove 61; a second spring 62; a moving block 63; a third spring 64; a buffer shim 65.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an axial fan for preventing abnormal sound, including axial fan body 1, fixed mounting has casing 2 on the

axial fan body

1, 2 upper ends of casing have seted up recess 3, the recess 3 internalization is provided with carriage release lever 31, it has oil pipe 32 to peg graft in carriage release lever 31's inside, oil pipe 32's bottom intercommunication has bleeder 33, fixed mounting has shower nozzle 34 on the bleeder 33, carriage release lever 31's bottom bonds and has brush 35, carriage release lever 31's top welding has first telescopic link 36, logical groove has been seted up to first telescopic link 36's inside, conveniently add lubricating oil at first telescopic link 36, logical groove communicates with oil pipe 32 each other, lubricating oil flows in oil pipe 32 through leading to the groove.

The outside welding that the carriage release lever 31 is close to casing 2 has push rod 4, sliding tray 41 has been seted up to one side that casing 2 is close to push rod 4, the first spring 42 of top fixedly connected with of sliding tray 41, the sealed piece 43 of one end fixedly connected with of first spring 42, the bottom of sealed piece 43 is provided with lantern ring 44, push rod 4 is pegged graft on lantern ring 44, the bottom welding of lantern ring 44 has second telescopic link 45, casing 2 has been close to the surface of push rod 4 and has been seted up moving groove 46, sliding connection between push rod 4 and the moving groove 46, at the in-process that removes push rod 4, make moving groove 46 remain sealed all the time, the lower extreme welding of casing 2 has guide plate 5, machine oil passageway 51 has been seted up to the lower extreme of casing 2, the outside fixed mounting that is close to casing 2 on machine oil passageway 51 has too much valves, thereby lubricating oil flows into machine oil passageway 51 centralized processing through guide plate 5.

The upper side and the lower side of the shell 2 are welded with the fixing plates 6, the fixing plates 6 are provided with the limiting grooves 61, the limiting grooves 61 are fixedly connected with the second springs 62 on the limiting grooves 61, the second springs 62 are fixedly connected with the moving blocks 63, the moving blocks 63 are of an I-shaped structure and extend to the outer sides of the fixing plates 6 after penetrating through the limiting grooves 61, the third springs 64 are fixedly connected between the moving blocks 63 and the fixing plates 6, the buffer gaskets 65 are bonded on the surfaces of the moving blocks 63, and the buffer gaskets 65 are of rubber layer structures.

The working principle is as follows: during actual use, the device is characterized in that the fixed plates 6 are welded on the upper side and the lower side of the shell 2, the fixed plates 6 are provided with limiting grooves 61, the limiting grooves 61 are fixedly connected with second springs 62, the second springs 62 are fixedly connected with moving blocks 63, and third springs 64 are fixedly connected between the moving blocks 63 and the fixed plates 6, so that when the motor drives the impeller to rotate, vibration can be generated, the axial flow fan body 1 can be in contact with the moving blocks 63, a buffering effect is realized under the matching of the second springs 62 and the third springs 64, the noise of the axial flow fan body 1 is favorably reduced, and the axial flow fan body 1 can run more stably; meanwhile, a groove 3 is formed at the upper end of the shell 2, a moving rod 31 is movably arranged in the groove 3, an oil pipe 32 is inserted into the moving rod 31, a branch pipe 33 is communicated with the bottom of the oil pipe 32, a spray head 34 is fixedly arranged on the branch pipe 33, a brush 35 is bonded at the bottom of the moving rod 31, a first telescopic rod 36 is welded at the top of the moving rod 31, a push rod 4 is welded at the outer side of the moving rod 31, which is close to the shell 2, by pushing the push rod 4, the brush 34 on the moving rod 31 is used for cleaning ash of the rotating shaft of the axial flow fan body 1 during rotation, and at the moment, engine oil in the oil pipe 32 on the moving rod 31 is sprayed to the rotating shaft of the axial flow fan body 1 through the spray head 34 for lubricating oil adding treatment, so that the steps of disassembling and assembling the axial flow fan body 1 are reduced, abnormal sound is prevented from occurring, and excessive lubricating oil flows into the engine oil channel 51 through the guide plate 5 for centralized treatment; through the first spring 42 of top fixedly connected with of sliding tray 41, the sealed piece 43 of one end fixedly connected with of first spring 42, the bottom of sealed piece 43 is provided with the lantern ring 44, the welding of the bottom of lantern ring 44 has second telescopic link 45, at the in-process of removal push rod, under first spring 42's elasticity, the pulling is sealed piece 43 and second telescopic link 45 moving for moving groove 46 remains sealed all the time, the entering that prevents the dust makes axial fan body 1 produce the abnormal sound when moving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an prevent axial fan of abnormal sound, includes axial fan body (1), its characterized in that: the axial flow fan is characterized in that a shell (2) is arranged on the axial flow fan body (1), a groove (3) is formed in the upper end of the shell (2), a moving rod (31) is movably arranged in the groove (3), a push rod (4) is arranged on the outer side, close to the shell (2), of the moving rod (31), a sliding groove (41) is formed in one side, close to the push rod (4), of the shell (2), a first spring (42) is arranged at the top of the sliding groove (41), a sealing block (43) is arranged at one end of the first spring (42), a sleeve ring (44) is arranged at the bottom of the sealing block (43), a guide plate (5) is arranged at the lower end of the shell (2), fixing plates (6) are arranged on the upper side and the lower side of the shell (2), a limiting groove (61) is formed in the fixing plate (6), and a second spring (62) is arranged in the limiting groove (61), the second spring (62) is fixedly connected with a moving block (63).

2. The axial flow fan for preventing abnormal noise according to claim 1, wherein: an oil pipe (32) is arranged inside the moving rod (31), a branch pipe (33) is arranged at the bottom of the oil pipe (32), a spray head (34) is arranged on the branch pipe (33), and a brush (35) is arranged at the bottom of the moving rod (31).

3. The axial flow fan for preventing abnormal noise according to claim 1, wherein: the top of carriage release lever (31) is provided with first telescopic link (36), the inside of first telescopic link (36) is provided with logical groove, logical groove and oil pipe (32) intercommunication each other.

4. The axial flow fan for preventing abnormal noise according to claim 1, wherein: the push rod (4) is inserted into the sleeve ring (44), a second telescopic rod (45) is arranged at the bottom of the sleeve ring (44), a moving groove (46) is formed in the surface, close to the push rod (4), of the shell (2), and the push rod (4) is connected with the moving groove (46) in a sliding mode.

5. The axial flow fan for preventing abnormal noise according to claim 1, wherein: an engine oil channel (51) is formed in the lower end of the shell (2), and a valve is arranged on the engine oil channel (51) and close to the outer side of the shell (2).

6. The axial flow fan for preventing abnormal noise according to claim 1, wherein: the moving block (63) is of an I-shaped structure, penetrates through the limiting groove (61) and extends to the outer side of the fixing plate (6), a third spring (64) is arranged between the moving block (63) and the fixing plate (6), a buffer gasket (65) is arranged on the surface of the moving block (63), and the buffer gasket (65) is of a rubber layer structure.