CN210637256U

CN210637256U - Special centrifugal fan for built-in cooling tower

Info

Publication number: CN210637256U
Application number: CN201921475038.9U
Authority: CN
Inventors: 方建发; 胡谷庆; 章晶晶; 徐鑫祥; 姚振雨
Original assignee: Zhejiang Shangfeng Cooling Tower Co ltd
Current assignee: Zhejiang Shangfeng Cooling Tower Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-29
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a special centrifugal fan for a built-in cooling tower, which comprises a bracket, a volute, an upper sliding cover, a fixing frame and an impeller, wherein the bottom end of the bracket is fixedly connected on a base, the volute is fixedly connected on the bracket, the volute consists of an upper volute and a lower volute, one side of the upper volute is provided with a wind port, the upper volute is provided with a through hole at one side deviating from the wind port, the outer side of the upper sliding cover is fixedly connected with a pull ring, the upper sliding cover is fixedly connected with a pulley at one side deviating from the pull ring, the impeller is fixedly connected inside the volute through a rotating shaft, one end of the rotating shaft penetrates through the volute and extends to the outside of the volute to be fixedly connected with a baffle, an output shaft of a driving motor is mutually connected with the rotating shaft through a driving belt, the special centrifugal fan for the built-in cooling tower can clean, the problem of current centrifugal fan dismantle the difficulty, take time, lead to the impeller clean inconvenient is solved.

Description

Special centrifugal fan for built-in cooling tower

Technical Field

The utility model relates to a fan equipment technical field specifically is a special centrifugal fan of built-in cooling tower.

Background

The cooling tower is a device which uses water as a circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature, and the device is an evaporation heat dissipation device which utilizes the principles that the water flows and contacts with air to perform heat exchange to generate steam, the steam volatilizes and takes away the heat to achieve evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like so as to dissipate the waste heat generated in the industry or in a refrigeration air conditioner to reduce the water temperature, so as to ensure the normal operation of the system. Centrifugal fan impeller gets into the dust easily when using, and the dust accumulation can influence case centrifugal fan's result of use, but current centrifugal fan dismantles the difficulty, takes time, leads to the impeller clearance inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special centrifugal fan of built-in cooling tower 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: a centrifugal fan special for a built-in cooling tower comprises a support, a volute, an upper sliding cover, a fixing frame and an impeller, wherein the bottom end of the support is fixedly connected to a base, the volute is fixedly connected to the support and consists of an upper volute and a lower volute, an air opening is formed in one side of the upper volute, a through hole is formed in one side of the upper volute, which is deviated from the air opening, sliding grooves are formed in the upper volute, the number of the sliding grooves is two, and the two sliding grooves are located on two sides of the through hole respectively.

Go up fixedly connected with pull ring on the sliding closure outside, go up the sliding closure fixedly connected with pulley on one side of skew pull ring, go up the sliding closure and pass through pulley sliding connection in the spout of last spiral case, the impeller passes through pivot fixed connection inside the spiral case, pivot one end runs through the spiral case and extends to the spiral case outside and baffle fixed connection, the spiral case passes through hinge fixedly connected with end cover in one side of skew baffle, mount fixed connection is on the base, fixed mounting has driving motor on the mount, the driving motor output shaft passes through driving belt and pivot interconnect.

Preferably, the bottom of the base is provided with anti-skid grains.

Preferably, the number of the pulleys is two, and the two pulleys are respectively positioned on one side of the upper sliding cover.

Preferably, the end cap is located at the center of one side of the volute.

Preferably, the driving motor is located beside the rotating shaft.

Preferably, the width of the through hole is smaller than that of the upper sliding cover.

Compared with the prior art, the beneficial effects of the utility model are that: this special centrifugal fan of built-in cooling tower through setting up sliding closure and through-hole, utilizes to go up the sliding closure and pass through the gyro wheel and slide on the spout, can clear up the impeller through the through-hole, has reached the clearance effect of being convenient for, has solved current centrifugal fan and has dismantled the difficulty, takes time, leads to the clean inconvenient problem of impeller.

The side face of the volute can be opened by arranging the end cover, the impeller can be cleaned conveniently, the effect of cleaning the impeller quickly is achieved, the pull ring is utilized to facilitate the sliding of the upper sliding cover on the upper volute, and the problem that the impeller is inconvenient to clean is solved.

Drawings

Fig. 1 is a schematic side view of the structure of the present invention.

Fig. 2 is a schematic view of the front side of the structure of the present invention.

Fig. 3 is a schematic view of the back of the volute of the present invention.

In the figure: the device comprises a support 1, a lower volute 2, a volute 3, an upper volute 4, an end cover 5, an upper sliding cover 6, a pull ring 7, a through hole 8, a transmission belt 9, a driving motor 10, a fixing frame 11, a base 12, a pulley 13, a sliding chute 14, an air opening 15, a baffle 16, a rotating shaft 17 and an impeller 18.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a special centrifugal fan of built-in cooling tower, includes support 1, spiral case 3, goes up sliding closure 6, mount 11 and impeller 18, its characterized in that: the bottom end of the support 1 is fixedly connected to the base 12, the bottom of the base 12 is provided with anti-skid lines, so that the stability of the centrifugal fan is improved, the volute 3 is fixedly connected to the support 1, the volute 3 consists of an upper volute 4 and a lower volute 2, one side of the upper volute 4 is provided with an air port 15, the upper volute 4 is provided with a through hole 8 at one side deviating from the air port 15, the impeller 18 is cleaned by arranging the through hole 8, the volute 3 is prevented from being detached when the impeller 18 is cleaned, time and labor are saved, the width of the through hole 8 is smaller than that of the upper sliding cover 6, the upper volute 4 is provided with the sliding grooves 14, the number of the sliding grooves 14 is two, and the two sliding grooves 14;

the outer side of the upper sliding cover 6 is fixedly connected with a pull ring 7, the upper sliding cover 6 is convenient to pull to slide by arranging the pull ring 7, time and labor are saved, the upper sliding cover 6 is fixedly connected with two pulleys 13 on one side deviated from the pull ring 7, the two pulleys 13 are respectively positioned on one side of the upper sliding cover 6, the upper sliding cover 6 is slidably connected in a chute 14 of the upper volute 4 by the pulleys 13, the upper sliding cover 6 can slide on the upper volute 4 by arranging the chute to realize the rapid cleaning of an impeller 18, the impeller 18 is fixedly connected in the volute 3 by a rotating shaft 17, one end of the rotating shaft 17 penetrates through the volute 3 and extends to the outside of the volute 3 to be fixedly connected with a baffle 16, the baffle 16 can prevent a transmission belt 9 from falling off during transmission, thereby influencing the normal use of the centrifugal fan, the volute 3 is fixedly connected with an end cover 5 on one side deviated from the baffle 16 by a hinge, can open the side of spiral case 3 through setting up end cover 5, be favorable to clearing up impeller 18, mount 11 fixed connection is on base 12, cross setting up mount 11 and be convenient for support fixed driving motor 10, fixed mounting has driving motor 10 on the mount 11, driving motor 10 is located pivot 17 on one side, driving motor 10 output shaft passes through driving belt 9 and pivot 17 interconnect, realize driving motor 10 at the during operation through setting up driving belt 9, drive pivot 17 and rotate.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: need clear up the messenger at impeller 18, make through pulling pull ring 7 go up sliding closure 6 and slide on spout 14 through pulley 13, make through-hole 8 be open type, can clear up impeller 18 through-hole 8, still need dismantle spiral case 3 when having avoided clearing up impeller 18, time saving and labor saving, pulling pull ring 7 makes go up sliding closure 6 and get back to the normal position after the cleanness, realize through-hole 8's closure, be favorable to centrifugal fan normal use, simultaneously can be through opening end cover 5, be convenient for clean impeller 18 from spiral case 3 side, be favorable to clearing up impeller 18 fast.

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 special centrifugal fan of built-in cooling tower, includes support (1), spiral case (3), goes up slide cover (6), mount (11) and impeller (18), its characterized in that: the bottom end of the support (1) is fixedly connected to the base (12), the volute (3) is fixedly connected to the support (1), the volute (3) is composed of an upper volute (4) and a lower volute (2), an air port (15) is formed in one side of the upper volute (4), a through hole (8) is formed in one side, deviating from the air port (15), of the upper volute (4), sliding grooves (14) are formed in the upper volute (4), the number of the sliding grooves (14) is two, and the two sliding grooves (14) are located on two sides of the through hole (8) respectively;

a pull ring (7) is fixedly connected on the outer side of the upper sliding cover (6), a pulley (13) is fixedly connected on one side of the upper sliding cover (6) deviating from the pull ring (7), the upper sliding cover (6) is connected in a sliding groove (14) of the upper volute (4) in a sliding way through a pulley (13), the impeller (18) is fixedly connected inside the volute (3) through a rotating shaft (17), one end of the rotating shaft (17) penetrates through the volute (3) and extends to the outside of the volute (3) to be fixedly connected with the baffle (16), an end cover (5) is fixedly connected with one side of the volute (3) deviating from the baffle (16) through a hinge, the fixed frame (11) is fixedly connected on the base (12), the fixed frame (11) is fixedly provided with a driving motor (10), the output shaft of the driving motor (10) is connected with the rotating shaft (17) through a transmission belt (9).

2. The special centrifugal fan for the built-in cooling tower according to claim 1, wherein: the bottom of the base (12) is provided with anti-skid lines.

3. The special centrifugal fan for the built-in cooling tower according to claim 1, wherein: the number of the pulleys (13) is two, and the two pulleys (13) are respectively positioned on one side of the upper sliding cover (6).

4. The special centrifugal fan for the built-in cooling tower according to claim 1, wherein: the end cover (5) is positioned in the center of one side of the volute (3).

5. The special centrifugal fan for the built-in cooling tower according to claim 1, wherein: the drive motor (10) is located beside the rotating shaft (17).

6. The special centrifugal fan for the built-in cooling tower according to claim 1, wherein: the width of the through hole (8) is smaller than that of the upper sliding cover (6).