CN214465159U - Fan silencer of vortex-shaped air duct - Google Patents

Abstract

The utility model discloses a fan muffler in vortex shape wind channel, including the vortex wind channel, the intercommunication has the air-supply line, goes out the tuber pipe on the vortex wind channel, fixed mounting has a plurality of deep beads on the inner wall in vortex wind channel, and mutually supports between a plurality of deep beads, fixed mounting has a plurality of ventilative boards in the passageway in vortex wind channel, and has all seted up a plurality of ventilation holes on every ventilative board, the diaphragm is all installed through two moving mechanism in the last lower part in vortex wind channel, and equal fixed mounting has the snubber block on every diaphragm, it installs the wind-up roll through micro motor rotation on the tuber pipe, the intraductal flexible door of slide mechanism installation that passes through of air-out, and fixed connection haulage rope between flexible door and the wind-up roll. Has the advantages that: the vortex-shaped air duct can be well silenced and well damped, so that the vortex-shaped air duct cannot generate large vibration due to too high air speed during air outlet, and the practicability is high.

Description

Fan silencer of vortex-shaped air duct

Technical Field

The utility model relates to a technical field who exists especially relates to a fan muffler in vortex-shaped wind channel.

Background

The fan is a machine which can suck gas through rotating mechanical energy, then improve gas pressure and discharge the gas, and a silencer is usually arranged on an air outlet pipe in the fan so as to reduce noise during air outlet;

the silencer that has now generally is that direct cover establishes carries out the amortization on going out the tuber pipe, this kind of amortization mode only is fit for the straight tube usually, and the play tuber pipe on having partial fan sets up for the spiral for current silencer can't be better carry out the amortization to it, and current silencer does not possess the absorbing function, makes out the tuber pipe can take place great vibrations when the air-out, has certain limitation, consequently needs urgent need to design the fan silencer in a vortex shape wind channel to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a fan silencer in a vortex-shaped air channel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fan muffler in vortex shape wind channel, includes the vortex wind channel, the intercommunication has the air-supply line, goes out the tuber pipe on the vortex wind channel, fixed mounting has a plurality of deep beads on the inner wall in vortex wind channel, and mutually supports between a plurality of deep beads, fixed mounting has a plurality of boards of ventilating in the passageway in vortex wind channel, and all seted up a plurality of ventilation holes on every board of ventilating, the diaphragm is all installed through two moving mechanism to the last lower part in vortex wind channel, and all fixed mounting has the snubber block on every diaphragm, it installs the wind-up roll through micro motor rotation on the tuber pipe, install flexible door through slide mechanism in the air-out pipe, and fixed connection haulage rope between flexible door and the wind-up roll, a plurality of through-holes have been seted up on the flexible door, every deep bead, board of ventilating are made by sound absorbing material.

In the above fan silencer with the vortex-shaped air channel, the moving mechanism comprises a straight plate fixedly mounted on the transverse plate, a rotating rod is rotatably mounted on the straight plate, a fixed seat is fixedly mounted on the vortex air channel, a threaded rod is fixedly mounted at the lower part of the rotating rod, and a threaded groove matched with the threaded rod is formed in the fixed seat.

In the above fan silencer of the spiral duct, a rotating handle is fixedly mounted on the upper portion of each rotating rod.

In the above fan silencer with the vortex-shaped air duct, the sliding mechanism includes a trapezoidal sliding block fixedly mounted on the elastic retractable door, and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the air outlet pipe.

In the above fan silencer of the spiral air duct, the end surface of each of the vent holes and the through holes is spiral.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through setting up the deep bead and ventilative board, wind-force air current can make a round trip when transmission in the vortex wind channel contact the collision with deep bead, ventilative board, and because deep bead, ventilative board are made by sound absorbing material for the air current all can be by the amortization when colliding at every turn, and all can the energy of noise consumption when striking at every turn, the noise cancelling effect preferred.

2: through setting up moving mechanism and snubber block, when vortex wind channel during operation, the bull stick among the rotatable moving mechanism drives the threaded rod and gets into the thread groove, can drive diaphragm and snubber block decline and laminate mutually with vortex wind channel, and two snubber blocks that are in vortex wind channel upper and lower part mutually support and can carry out better shock attenuation to vortex wind channel promptly, and the snubber block itself also has certain amortization nature, can further increase the noise cancelling effect.

3: through setting up flexible door and micro motor, thereby micro motor rotates and can drive the wind-up roll promptly and rotate the rolling haulage rope, can stimulate the flexible door of elasticity during the haulage rope rolling promptly and contract, can control the air-out area of tuber pipe, noise when both steerable air-out speed can be reduced the air-out again.

To sum up, the utility model discloses can enough carry out better amortization to the wind channel of vortex shape, can carry out good shock attenuation to it again, make the wind channel of vortex shape can not take place great vibrations because the wind speed is too fast when the air-out, the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a fan silencer of a vortex air duct according to the present invention;

FIG. 2 is a side view of the vortex duct of FIG. 1 in connection with an upper portion thereof;

FIG. 3 is a detailed view of the ventilation board and the structure thereof in FIG. 1;

FIG. 4 is an enlarged view of a node at the point A in FIG. 2;

fig. 5 is an enlarged view of a node at a portion B in fig. 2.

In the figure: 1 vortex wind channel, 2 air-supply lines, 3 play tuber pipes, 4 deep bead, 5 ventilative boards, 6 diaphragm, 7 snubber blocks, 8 straight boards, 9 bull sticks, 10 fixing bases, 11 thread groove, 12 threaded rods, 13 twist grips, 14 ventilation holes, 15 micro motor, 16 wind-up rolls, 17 elastic expansion door, 18 haulage ropes.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a fan silencer of a vortex air duct comprises a vortex air duct 1, an air inlet pipe 2 and an air outlet pipe 3 are communicated with the vortex air duct 1, a plurality of wind shields 4 are fixedly arranged on the inner wall of the vortex air duct 1, a plurality of wind shields 4 are matched with each other, a plurality of ventilating plates 5 are fixedly arranged in the channel of the vortex air duct 1, and each ventilating plate 5 is provided with a plurality of ventilating holes 14, the upper and lower parts of the vortex air duct 1 are provided with transverse plates 6 through two moving mechanisms, and each transverse plate 6 is fixedly provided with a damping block 7, the air outlet pipe 3 is rotatably provided with a wind-up roll 16 through a micro motor 15, an elastic telescopic door 17 is arranged in the air outlet pipe 3 through a sliding mechanism, a hauling rope 18 is fixedly connected between the elastic telescopic door 17 and the wind-up roll 16, a plurality of through holes are formed in the elastic telescopic door 17, and each wind shield 4 and each ventilation plate 5 are made of sound-absorbing materials;

the following points are notable:

1. the deep bead 4 sets up on the inner wall in vortex wind channel 1, and when the air current got into vortex wind channel 1 in from air-supply line 2, the air current can cooperate with a plurality of deep beads 4 in proper order, and because deep bead 4 makes for sound absorbing material for all can be amortized when colliding at every turn, and all can the energy of noise consumption when striking at every turn, can carry out better amortization to vortex wind channel 1.

2. The ventilating plate 5 is arranged in the channel of the vortex air duct 1, and air flow can flow out through the vent holes 14 in the ventilating plate 5 when contacting with the ventilating plate, so that the flow speed of the air flow can be reduced, and the noise is reduced.

3. Moving mechanism includes straight board 8 of fixed mounting on diaphragm 6, it installs bull stick 9 to rotate on straight board 8, fixed mounting has fixing base 10 on vortex wind channel 1, the lower part fixed mounting of bull stick 9 has threaded rod 12, and set up threaded groove 11 with threaded rod 12 matched with on the fixing base 10, when vortex wind channel 1 during operation, rotatable bull stick 9 drives threaded rod 12 and rotates and make it get into threaded groove 11 in, can drive diaphragm 6 and snubber block 7 descend and laminate mutually with vortex wind channel 1, two snubber blocks 7 of being in vortex wind channel 1 upper and lower part mutually support and can carry out better shock attenuation to vortex wind channel 1 promptly, make it can not produce vibration noise.

4. The damping block 7 is made of sound-absorbing sponge material, has certain noise reduction performance, and can further increase the noise reduction effect when the damping block 7 is attached to the vortex air duct 1.

5. The upper portion of every bull stick 9 all fixed mounting have one to change 13, and rotatable commentaries on classics 13 drives bull stick 9 and rotates, and is comparatively convenient.

6. The sliding mechanism comprises a trapezoidal sliding block fixedly installed on the elastic telescopic door 17, a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the air outlet pipe 3, and the sliding mechanism is used for enabling the elastic telescopic door 17 to horizontally slide only in the air outlet pipe 3 without deviation and separation.

7. Thereby micro motor 15 rotates and can drive wind-up roll 16 to rotate rolling haulage rope 18 promptly, can stimulate the flexible door 17 when haulage rope 18 rolling to contract, can control the air-out area of tuber pipe 3, the noise when both steerable air-out speed can be reduced again and air-out.

8. The end surface of each vent hole 14 and each through hole is spirally shaped, and the spiral shape can increase the contact time of noise and the hole wall, so that the energy of the noise can be weakened, and the purpose of silencing is further achieved.

9. The model of the micro motor 15 is preferably ZYT46S-10 type micro motor.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a fan muffler in vortex shape wind channel, includes vortex wind channel (1), its characterized in that, the intercommunication has air-supply line (2), goes out tuber pipe (3) on vortex wind channel (1), fixed mounting has a plurality of deep bead (4) on the inner wall in vortex wind channel (1), and mutually supports between a plurality of deep bead (4), fixed mounting has a plurality of ventilative board (5) in the passageway in vortex wind channel (1), and all seted up a plurality of ventilation hole (14) on every ventilative board (5), diaphragm (6) are all installed through two moving mechanism to the upper and lower part in vortex wind channel (1), and all fixed mounting has snubber block (7) on every diaphragm (6), wind-out pipe (3) are gone up and are installed wind-up roller (16) through micro motor (15) rotation, go out and install flexible door (17) through slide mechanism in tuber pipe (3), and a hauling rope (18) is fixedly connected between the elastic telescopic door (17) and the winding roller (16), a plurality of through holes are formed in the elastic telescopic door (17), and each wind shield (4) and each ventilating plate (5) are made of sound-absorbing materials.

2. The fan silencer of the vortex air duct according to claim 1, wherein the moving mechanism comprises a straight plate (8) fixedly mounted on a transverse plate (6), a rotating rod (9) is rotatably mounted on the straight plate (8), a fixed seat (10) is fixedly mounted on the vortex air duct (1), a threaded rod (12) is fixedly mounted on the lower portion of the rotating rod (9), and a threaded groove (11) matched with the threaded rod (12) is formed in the fixed seat (10).

3. A fan silencer for a scroll type air duct according to claim 2, wherein a rotating handle (13) is fixedly installed at an upper portion of each of the rotating rods (9).

4. The fan silencer of the vortex air duct according to claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the elastic retractable door (17), and the air outlet pipe (3) is provided with a trapezoidal sliding groove matched with the trapezoidal sliding block.

5. The fan silencer of a vortex air duct according to claim 1, wherein the end surface of each of the vent holes (14) and the through holes is spiral in shape.

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