CN214617231U

CN214617231U - Low-noise large-air-volume axial flow motor

Info

Publication number: CN214617231U
Application number: CN202120791478.6U
Authority: CN
Inventors: 王洪军
Original assignee: Hangzhou Haiwan Fan Co ltd
Current assignee: Hangzhou Haiwan Fan Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-05
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a big amount of wind axial compressor motor of low noise, including the fan body, the bottom fixedly connected with unable adjustment base of fan body, unable adjustment base's bottom fixedly connected with slide bar, the surface sliding connection of slide bar has a slide cartridge, the bottom fixedly connected with PMKD of slide cartridge, PMKD's top fixedly connected with reset spring. The utility model discloses a when fan body function vibrations produce the noise, drive unable adjustment base downstream through the fan body, unable adjustment base drives slide bar and reset spring downstream, make slide bar compression deformation cushion the power of vibrations and reset, thereby also weaken the noise when slowing down vibrations, later weaken the noise that produces when the function of fan body through interior protective housing, reflect the noise through the vacuum plate, isolate the noise, absorb the noise through inhaling sponge and orifice plate, thereby weaken the noise of making an uproar.

Description

Low-noise large-air-volume axial flow motor

Technical Field

The utility model relates to an axial fan technical field specifically is a big amount of wind axial fan of low noise.

Background

The axial flow fan is an air flow in the same direction as the axis of the fan blade, namely the flow direction of the air is parallel to the axis, such as an electric fan, an air conditioner outer fan is an axial flow type running fan, the axial flow fan is also called a local fan, the fan is a fan commonly used by industrial and mining enterprises, and is different from a common fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big amount of wind axial compressor motor of low noise possesses the advantage of making an uproar, has solved current axial fan and has fallen because can not be fine fall the noise when using, leads to axial fan when the outside transmission of noise that the function produced, has polluted ecological environment, also causes the interference to people's life work, and the healthy life of giving other people has brought the problem of very big harm.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big amount of wind axial compressor motor of low noise, includes the fan body, the bottom fixedly connected with unable adjustment base of fan body, unable adjustment base's bottom fixedly connected with slide bar, the surperficial sliding connection of slide bar has a slide cartridge, the bottom fixedly connected with PMKD of slide cartridge, PMKD's top fixedly connected with reset spring, reset spring's top and unable adjustment base fixed connection, the mechanism of making an uproar falls in the inner wall fixedly connected with of fan body.

Preferably, it includes the orifice plate, inhales sound sponge, vacuum plate and inner protective housing to fall the mechanism of making an uproar, one side that fan body inner wall was kept away from to the orifice plate with inhale sound sponge fixed connection, inhale one side and the vacuum plate fixed connection that the orifice plate inner wall was kept away from to the sound sponge, one side and inner protective housing fixed connection that the sound sponge inner wall was kept away from to the vacuum plate.

Preferably, the number of the slide bars is four, and the four slide bars are uniformly arranged around the bottom of the fixed base.

Preferably, the number of the return springs is three, and the three return springs are uniformly arranged at the top of the fixed bottom plate.

Preferably, the front end and the rear end of the inner cavity of the sliding barrel are fixedly connected with limiting blocks, limiting grooves are formed in the front face and the back face of the sliding rod, and one end, far away from the inner wall of the sliding barrel, of each limiting block extends to the inner cavity of each limiting groove and is connected with the inner cavity of each limiting groove in a sliding mode.

Preferably, the front and the back of the fan body are fixedly connected with a fan housing, and a filter screen is arranged in an inner cavity of the fan housing.

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

1. when the utility model vibrates to generate noise through the operation of the fan body, the fan body drives the fixed base to move downwards, the fixed base drives the sliding rod and the reset spring to move downwards, so that the compression deformation of the sliding rod buffers and resets the vibration force, thereby weakening the noise while slowing down the vibration, then weakening the noise generated when the fan body operates through the inner protective shell, reflecting the noise through the vacuum plate, the noise is isolated, the noise is absorbed by the sound absorption sponge and the pore plate, so that the noise is weakened and reduced, the problem that when the noise generated by the operation of the axial flow fan is transmitted outwards due to the fact that the noise cannot be reduced well when the existing axial flow fan is used is solved, the ecological environment is polluted, the interference to the life and work of people is caused, and the problem of great harm to the healthy life of people is brought.

2. The utility model has the advantages that the inner protective shell is arranged, the effect of weakening the noise generated when the fan body operates is realized, the effect of reflecting and isolating the noise is realized by arranging the vacuum plate, the effect of absorbing the noise is realized by arranging the sound absorbing sponge and the pore plate, the noise reduction effect of the fan body is improved, the effect of stably supporting the fixed base is realized by arranging the four slide bars, the shaking condition of the fixed base is avoided, the effect of conveniently and uniformly damping the fan body is realized by arranging the three reset springs, the effect of limiting the slide cylinder is realized by arranging the limit block and the limit groove, the dislocation condition of the slide cylinder during the movement is avoided, the stability of the slide cylinder during the movement is ensured, the effect of protecting the fan body is realized by arranging the fan cover, and the dustproof effect is realized by arranging the filter screen, prevent the dust from entering the inner cavity of the fan body through the fan cover.

Drawings

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

fig. 2 is a schematic view of the local section structure of the fan body of the present invention;

FIG. 3 is a schematic structural view of the fixing base plate of the present invention;

fig. 4 is a schematic side view of the sliding cylinder and the return spring of the present invention.

In the figure: 1. a fan body; 2. a fixed base; 3. a slide bar; 4. a slide cylinder; 5. a return spring; 6. a limiting block; 7. a limiting groove; 8. fixing the bottom plate; 9. a noise reduction mechanism; 901. an orifice plate; 902. sound-absorbing sponge; 903. a vacuum plate; 904. an inner protective shell; 10. a fan cover.

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.

The utility model discloses a fan body 1, unable adjustment base 2, slide bar 3, slide cartridge 4, reset spring 5, stopper 6, spacing groove 7, PMKD 8, fall the mechanism of making an uproar 9, orifice plate 901, inhale sound sponge 902, vacuum plate 903, inner protective housing 904 and fan housing 10 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-4, a low-noise large-air-volume axial flow motor comprises a fan body 1, a fixed base 2 is fixedly connected to the bottom of the fan body 1, a slide bar 3 is fixedly connected to the bottom of the fixed base 2, a slide tube 4 is slidably connected to the surface of the slide bar 3, a fixed base plate 8 is fixedly connected to the bottom of the slide tube 4, a return spring 5 is fixedly connected to the top of the fixed base plate 8, the top of the return spring 5 is fixedly connected to the fixed base 2, a noise reduction mechanism 9 is fixedly connected to the inner wall of the fan body 1, when the fan body 1 operates and vibrates to generate noise, the fixed base 2 is driven by the fan body 1 to move downwards, the fixed base 2 drives the slide bar 3 and the return spring 5 to move downwards, the slide bar 3 is compressed and deformed to buffer and reset the vibrating force, so as to reduce the noise while the vibration is reduced, and then the noise generated when the fan body 1 operates is reduced by an inner protective shell 904, reflect the noise through vacuum plate 903, isolate the noise, absorb the noise through inhaling sound sponge 902 and orifice plate 901 to weaken the noise and fall, solved current axial fan and fallen to make an uproar because can not be fine when using to the noise, lead to axial fan when the outside spread of noise that the function produced, polluted ecological environment, also caused the interference to people's life work, the healthy life of giving people has brought the problem of very big harm.

In this embodiment, it is specific, mechanism 9 of making an uproar falls includes orifice plate 901, inhale sound sponge 902, vacuum plate 903 and interior protective housing 904, one side that fan body 1 inner wall was kept away from to orifice plate 901 and inhale sound sponge 902 fixed connection, inhale one side and vacuum plate 903 fixed connection that sound sponge 902 kept away from the orifice plate 901 inner wall, vacuum plate 903 is kept away from one side and interior protective housing 904 fixed connection of inhaling sound sponge 902 inner wall, through setting up interior protective housing 904, the effect that the noise that produces when having played fan body 1 function weakens, through setting up vacuum plate 903, played and carried out the isolated effect of reflection to the noise, inhale sound sponge 902 and orifice plate 901 through setting up, the effect of noise absorption has been played, thereby the effect of making an uproar falls to fan body 1 has been improved.

In this embodiment, it is concrete, slide bar 3's quantity is four, and four slide bar 3 even range are around unable adjustment base 2 bottoms, through setting up four slide bar 3, have played the effect to unable adjustment base 2 steady support, avoid unable adjustment base 2 the condition that rocks to appear.

In this embodiment, specifically, the number of the return springs 5 is three, and the three return springs 5 are uniformly arranged at the top of the fixing bottom plate 8, and by arranging the three return springs 5, the effect of uniform damping on the fan body 1 is achieved.

In this embodiment, it is concrete, the equal fixedly connected with stopper 6 in front end and the rear end of 4 inner chambers of slide cartridge, spacing groove 7 has all been seted up at slide bar 3's the front and the back, stopper 6 keep away from the one end of 4 inner walls of slide cartridge extend to the inner chamber of spacing groove 7 and with the inner chamber sliding connection of spacing groove 7, through setting up stopper 6 and spacing groove 7, played the spacing effect to slide cartridge 4, avoid the condition that the dislocation appears when the motion in slide cartridge 4, stability when having ensured the motion of slide cartridge 4.

In this embodiment, specifically, the equal fixedly connected with fan housing 10 in the front and the back of fan body 1, the inner chamber of fan housing 10 is provided with the filter screen, through setting up fan housing 10, has played the effect of protecting fan body 1, through setting up the filter screen, has played dirt-proof effect, avoids the dust to pass through fan housing 10 and gets into the inner chamber of fan body 1.

When in use, when the fan body 1 operates and vibrates to generate noise, the fan body 1 drives the fixed base 2 to move downwards, the fixed base 2 drives the sliding rod 3 and the return spring 5 to move downwards, so that the sliding rod 3 is compressed and deformed to buffer and reset the vibration force, thereby attenuating the noise while reducing the vibration, then attenuating the noise generated when the blower body 1 operates through the inner protective casing 904, reflecting the noise through the vacuum plate 903, the noise is isolated, the noise is absorbed through the sound absorption sponge 902 and the pore plate 901, thereby weakening and reducing noise, solving the problems that when the noise generated by the operation of the axial flow fan is transmitted outwards because the noise can not be reduced well when the existing axial flow fan is used, the ecological environment is polluted, the interference to the life and work of people is caused, and the problem of great harm to the healthy life of people is brought.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 a big amount of wind axial compressor motor of low noise, includes fan body (1), its characterized in that: the fan comprises a fan body (1), a fixing base (2) is fixedly connected to the bottom of the fan body (1), a sliding rod (3) is fixedly connected to the bottom of the fixing base (2), a sliding barrel (4) is connected to the surface of the sliding rod (3) in a sliding mode, a fixing bottom plate (8) is fixedly connected to the bottom of the sliding barrel (4), a reset spring (5) is fixedly connected to the top of the fixing bottom plate (8), the top of the reset spring (5) is fixedly connected with the fixing base (2), and a noise reduction mechanism (9) is fixedly connected to the inner wall of the fan body (1).

2. A low noise large air volume axial flow motor according to claim 1, characterized in that: noise reduction mechanism (9) include orifice plate (901), inhale sound sponge (902), vacuum plate (903) and interior protective housing (904), one side that fan body (1) inner wall was kept away from in orifice plate (901) with inhale sound sponge (902) fixed connection, inhale one side and vacuum plate (903) fixed connection that sound sponge (902) kept away from orifice plate (901) inner wall, one side and interior protective housing (904) fixed connection that sound sponge (902) inner wall were kept away from in vacuum plate (903).

3. A low noise large air volume axial flow motor according to claim 1, characterized in that: the number of the sliding rods (3) is four, and the four sliding rods (3) are uniformly arranged on the periphery of the bottom of the fixed base (2).

4. A low noise large air volume axial flow motor according to claim 1, characterized in that: the number of the reset springs (5) is three, and the three reset springs (5) are uniformly arranged at the top of the fixed bottom plate (8).

5. A low noise large air volume axial flow motor according to claim 1, characterized in that: the equal fixedly connected with stopper (6) in front end and the rear end of smooth section of thick bamboo (4) inner chamber, spacing groove (7) have all been seted up at the front and the back of slide bar (3), stopper (6) keep away from the one end of smooth section of thick bamboo (4) inner wall extend to the inner chamber of spacing groove (7) and with the inner chamber sliding connection of spacing groove (7).

6. A low noise large air volume axial flow motor according to claim 1, characterized in that: the fan is characterized in that the front and the back of the fan body (1) are fixedly connected with a fan cover (10), and a filter screen is arranged in an inner cavity of the fan cover (10).