CN213016904U

CN213016904U - Speed-regulating fan

Info

Publication number: CN213016904U
Application number: CN202021964465.6U
Authority: CN
Inventors: 王清; 胡维瑶
Original assignee: Nanjing Tengshida Technology Co ltd
Current assignee: Nanjing Tengshida Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-20
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a speed governing fan, including speed governing fan body, the bottom fixedly connected with backup pad of speed governing fan body, the bottom of backup pad is provided with the base, be provided with a plurality of damping device between base and the backup pad, the last fixed surface of backup pad is connected with the protection casing, speed governing fan body is located the inside of protection casing, the air-out end and the air inlet end of speed governing fan body all extend to the outside of protection casing, the air inlet end fixedly connected with air inlet section of thick bamboo of speed governing fan body, the inside a plurality of filter pulp that are provided with of air inlet section of thick bamboo, a plurality of louvres have been seted up to one side of protection casing. The utility model discloses a plurality of damping device can carry out the shock attenuation at speed governing fan body during operation and reach the effect of making an uproar that falls, and the protection casing can further fall the noise to speed governing fan body when protecting the fan, avoids influencing the surrounding environment.

Description

Speed-regulating fan

Technical Field

The utility model relates to a speed governing fan technical field especially relates to a speed governing fan.

Background

The power consumption of the fans (including pumps) accounts for about 40% of the total power generation in the country, and the fan type air conditioner is industrial equipment with the largest power consumption in the country. The future is expected, and the supply and demand situation of the electric energy in China is very severe; on the other hand, unreasonable energy use and serious waste phenomena in China are caused, the saving potential is high, especially the running efficiency of fans and pumps with huge power consumption is 10% -30% lower than that of foreign countries, the power saving potential is about 300-400 hundred million degrees through preliminary calculation, so that the implementation of energy saving, power saving and consumption reduction on the fans (and water pumps) is a urgent task, the fan has very practical and profound significance for relieving contradiction between supply and demand of electric energy in China, promoting the modern construction of China and reducing the gap between China and developed countries, a fan capable of changing the rotating speed of an impeller is called as a speed-regulating fan, the speed-regulating fan is one of fan types and is loved by people, but the existing outdoor speed-regulating fan has some defects in the use process, the fan generates larger noise due to vibration of an internal motor when in work, the surrounding environment is seriously influenced, and when raining or snowing, rainwater and snowflake can fall on outdoor fan, seriously influence the result of use of fan, the condition of even probably electrocuteeing appears, the security performance reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a speed regulation fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a speed governing fan, includes speed governing fan body, the bottom fixedly connected with backup pad of speed governing fan body, the bottom of backup pad is provided with the base, be provided with a plurality of damping device between base and the backup pad, the last fixed surface of backup pad is connected with the protection casing, speed governing fan body is located the inside of protection casing, the air-out end and the air inlet end of speed governing fan body all extend to the outside of protection casing, the air inlet end fixedly connected with air inlet section of thick bamboo of speed governing fan body, the inside a plurality of filter pulp that is provided with of air inlet section of thick bamboo, a plurality of louvres have been seted up to one side of protection casing, the inside wall that the protection casing inside wall.

As a further description of the above technical solution:

damping device includes dead lever, spring, sliding sleeve, first dwang and second dwang, two fixed blocks of the equal fixedly connected with of diapire and backup pad in the base, the lateral wall fixed connection of the both ends of dead lever and two fixed blocks, the sliding sleeve cup joints in the surface of dead lever, the middle part position of first dwang and second dwang alternately rotates to be connected, and the both ends of first dwang and second dwang rotate with the sliding sleeve respectively and be connected, the spring cup joints in the surface of dead lever, the both ends of spring respectively with the lateral wall fixed connection of fixed block and sliding sleeve.

As a further description of the above technical solution:

inhale cotton lateral wall of sound and a plurality of louvre intercommunication, it is the wave type setting to inhale the cotton one end that is close to speed governing fan body of sound.

As a further description of the above technical solution:

a switch board is arranged on one side of the air inlet cylinder, and a sealing gasket is arranged between the switch board and the air inlet cylinder.

As a further description of the above technical solution:

the base is provided with a sliding groove in each of two inner side walls, the two side walls of the supporting plate are fixedly connected with sliding blocks respectively, and the sliding grooves are connected with the sliding blocks in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting of spring, first dwang, second dwang, fixed block, dead lever, the vibration that the motor sent when being convenient for to the operation of speed governing fan through damping device's shock-absorbing function plays fine cushioning effect, reduces the sound that the fan during operation sent.

2. The utility model discloses a protection casing, the louvre, an air inlet section of thick bamboo, filter pulp's setting, the protection casing can play the protection to the fan on snowflake falls the fan when with avoiding raining and snowing, cause the potential safety hazard, the protection casing has the sound that the sound-proof function can further reduce the fan during operation and send, filter pulp that sets up in the air inlet section of thick bamboo has the effect of filtering the dust, certain dehumidification effect has when humid weather, avoid blowing off period and dust from the air-out end, filter pulp also has certain suction effect simultaneously, the sound of fan is inhaled in to the air has been reduced, better messenger's fan falls and makes an uproar, and do not influence the heat dissipation in protection and syllable-dividing again.

Drawings

Fig. 1 is a main sectional view of a speed-adjustable fan provided by the present invention;

fig. 2 is a cross-sectional view of a speed-adjustable fan according to the present invention;

fig. 3 is an enlarged view of a of the speed-adjustable fan provided by the present invention.

Illustration of the drawings:

1. a speed-regulating fan body; 2. a support plate; 3. a base; 4. a protective cover; 5. a chute; 6. a slider; 7. a fixed block; 8. fixing the rod; 9. a spring; 10. a sliding sleeve; 11. a first rotating lever; 12. a second rotating lever; 13. heat dissipation holes; 14. sound-absorbing cotton; 15. an air inlet cylinder; 16. filtering cotton; 17. a switch board.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a speed governing fan, including speed governing fan body 1, the bottom fixedly connected with backup pad 2 of speed governing fan body 1, the bottom of backup pad 2 is provided with base 3, be provided with a plurality of damping device between base 3 and the backup pad 2, the last fixed surface of backup pad 2 is connected with protection casing 4, speed governing fan body 1 is located the inside of protection casing 4, the air-out end and the air inlet end of speed governing fan body 1 all extend to the outside of protection casing 4, the air inlet end fixedly connected with air inlet section of thick bamboo 15 of speed governing fan body 1, air inlet section of thick bamboo 15 is inside to be provided with a plurality of filter pulp 16, a plurality of louvres 13 have been seted up to one side of protection casing 4, the inside wall that the.

Damping device includes dead lever 8, spring 9, sliding sleeve 10, first dwang 11 and second dwang 12, two fixed blocks 7 of the equal fixedly connected with of diapire and backup pad 2 in the base 3, the both ends of dead lever 8 and the lateral wall fixed connection of two fixed blocks 7, sliding sleeve 10 cup joints in the surface of dead lever 8, first dwang 11 is connected with the middle part position alternately rotation of second dwang 12, and the both ends of first dwang 11 and second dwang 12 rotate with sliding sleeve 10 respectively and be connected, spring 9 cup joints in the surface of dead lever 8, the both ends of spring 9 respectively with fixed block 7 and sliding sleeve 10's lateral wall fixed connection, play buffering absorbing effect.

Inhale the lateral wall and the 13 intercommunications of a plurality of louvres of sound cotton 14, inhale the one end that sound cotton 14 is close to speed governing fan body 1 and be the wave type setting, improved and inhaled the sound area to do not influence the heat dissipation again when sound-proofing.

A switch board 17 is arranged on one side of the air inlet barrel 15, and a sealing gasket is arranged between the switch board 17 and the air inlet barrel 15, so that the filter cotton 16 can be conveniently replaced, and meanwhile, the air leakage at the position of the switch board 17 is avoided, and the air inlet effect is not influenced.

The two inside walls of the base 3 are respectively provided with a sliding groove 5, the two side walls of the supporting plate 2 are respectively fixedly connected with a sliding block 6, and the sliding grooves 5 are in sliding connection with the sliding blocks 6, so that the stability of the supporting plate 2 is improved.

The working principle is as follows: when the speed regulation fan body 1 operates, the internal motor vibrates and transmits the vibration to the supporting plate 2, the supporting plate 2 slightly moves up and down to slightly change the angles of the first rotating rod 11 and the second rotating rod 12 so as to compress the spring 9 to play a role of shock absorption, meanwhile, the protective cover 4 can play a role of protecting the speed regulation fan body 1 so as to avoid that snowflakes fall onto the speed regulation fan body 1 when raining and snowing to cause potential safety hazards, the protective cover 4 has a sound insulation function and can further reduce the sound generated when the speed regulation fan body 1 works, the filter cotton 16 has a function of filtering dust, has a certain dehumidification function in humid weather so as to avoid that time and dust are blown out from an air outlet end, and meanwhile, the filter cotton 16 also has a certain suction function so as to reduce the sound of air sucked into the speed regulation fan body 1 and better reduce the noise of the speed regulation fan body 1, and the heat dissipation holes 13 do not affect heat dissipation while protecting and insulating sound.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a speed governing fan, includes speed governing fan body (1), its characterized in that: the bottom of the speed regulation fan body (1) is fixedly connected with a supporting plate (2), the bottom of the supporting plate (2) is provided with a base (3), a plurality of shock absorption devices are arranged between the base (3) and the supporting plate (2), the upper surface of the supporting plate (2) is fixedly connected with a protective cover (4), the speed regulation fan body (1) is positioned inside the protective cover (4), the air outlet end and the air inlet end of the speed regulation fan body (1) both extend to the outside of the protective cover (4), an air inlet cylinder (15) is fixedly connected with the air inlet end of the speed regulation fan body (1), a plurality of filter cottons (16) are arranged in the air inlet barrel (15), a plurality of heat dissipation holes (13) are formed in one side of the protective cover (4), the inner side wall of the protective cover (4) close to the plurality of heat dissipation holes (13) is provided with sound absorption cotton (14).

2. The speed governing fan of claim 1, wherein: damping device includes dead lever (8), spring (9), sliding sleeve (10), first dwang (11) and second dwang (12), two fixed blocks (7) of the equal fixedly connected with of diapire and backup pad (2) in base (3), the lateral wall fixed connection of both ends and two fixed blocks (7) of dead lever (8), sliding sleeve (10) are cup jointed in the surface of dead lever (8), the middle part position cross rotation of first dwang (11) and second dwang (12) is connected, and the both ends of first dwang (11) and second dwang (12) rotate with sliding sleeve (10) respectively and be connected, the surface in dead lever (8) is cup jointed in spring (9), the both ends of spring (9) respectively with the lateral wall fixed connection of fixed block (7) and sliding sleeve (10).

3. The speed governing fan of claim 1, wherein: inhale the lateral wall and a plurality of louvre (13) intercommunication of sound cotton (14), inhale the one end that sound cotton (14) are close to speed governing fan body (1) and be the wave type setting.

4. The speed governing fan of claim 1, wherein: a switch plate (17) is arranged on one side of the air inlet cylinder (15), and a sealing gasket is arranged between the switch plate (17) and the air inlet cylinder (15).

5. The speed governing fan of claim 1, wherein: the base is characterized in that sliding grooves (5) are formed in two inner side walls of the base (3) respectively, two side walls of the supporting plate (2) are fixedly connected with sliding blocks (6) respectively, and the sliding grooves (5) are connected with the sliding blocks (6) in a sliding mode.