CN216381892U - Centrifugal fan - Google Patents
Centrifugal fan Download PDFInfo
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- CN216381892U CN216381892U CN202122459499.0U CN202122459499U CN216381892U CN 216381892 U CN216381892 U CN 216381892U CN 202122459499 U CN202122459499 U CN 202122459499U CN 216381892 U CN216381892 U CN 216381892U
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Abstract
The utility model provides a centrifugal fan which comprises a fan base, an arc-shaped slideway, a guide chute, a fan shell, a mounting groove, a supporting rod and a traction motor, wherein the arc-shaped slideway is fixedly mounted at the top end of the fan base, the guide chute is formed in the side edge of the top end of the arc-shaped slideway, the mounting groove is formed in the side surface of the fan shell, and an electric push rod is fixedly arranged at the bottom of the supporting rod. The semicircular installation groove corresponding to the air cavity is formed in the surface of the fan shell, the supporting rod which slides up and down on the limiting rod and the electric push rod for jacking the supporting rod are arranged at the bottom of the installation groove, the fan end cover of the semicircular structure is arranged in the installation groove, and the fan end cover can be jacked to the installation position of the installation groove through the supporting rod during installation, so that the fan end cover does not need to be carried and subjected to bottom supporting operation for a long time, the use is more convenient, meanwhile, the fan shell can slide on the arc-shaped slideway, the fan shell can ascend on the arc-shaped slideway, the integral fan angle is changed, and the air outlet position of the fan shell is adjusted.
Description
Technical Field
The utility model belongs to the technical field of fans, and particularly relates to a centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
Present industrial centrifugal fan, it is great because structure and volume, general fixed installation, fix with screw on the support frame is passed through to its bottom, it is comparatively inconvenient to lead to its removal, its air outlet position is also fixed simultaneously, be provided with the fan end cover usually in air inlet port department, current fan end cover project organization is ring type structure, it just in time blocks with the wind chamber structure, at first need aim at during the installation, volume and weight are great simultaneously, when the installation, need many people to lift, aim at then through threaded fixation, it is comparatively inconvenient to use.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a centrifugal fan which is convenient to install and use.
The purpose of the utility model can be realized by the following technical scheme: a centrifugal fan comprises a fan base, an arc-shaped slideway, a guide chute, a fan shell, a fan end cover, a traction cable, a mounting plate, an electric push rod, a mounting groove, a supporting rod and a traction motor, the top end of the fan base is fixedly provided with an arc-shaped slideway, the side edges of the top end of the arc-shaped slideway are provided with guide sliding grooves, an inner sliding seat is slidably arranged inside the guide sliding chute, the top end of the inner sliding seat is fixedly connected with an installation plate, the inner sliding seat is fixedly provided with a fan shell through a mounting plate, the side surface of the fan shell is provided with a mounting groove, the interior of the mounting groove is fixedly provided with an air cavity, two sides of the inner wall surface of the mounting groove are fixedly provided with limiting rods, the outer parts of the two limiting rods are respectively sleeved with two ends of the supporting rod in a sliding manner, an electric push rod is fixedly arranged at the bottom of the support rod, and the output end of the electric push rod is fixedly connected with the middle part of the bottom end of the support rod through a support rod.
In the centrifugal fan, the fan end cover is fixedly arranged inside the mounting groove, and the air inlet port is formed in the outer surface of the fan end cover.
In foretell centrifugal fan, the air inlet port is the tapered setting, and outer port diameter is greater than the inner port diameter, just the outer port portion fixed mounting of air inlet port has the protection network.
In foretell centrifugal fan, the top fixed mounting of arc slide has the motor case, the inside fixed mounting of motor case has the motor cabinet, the inboard fixed mounting of motor cabinet has traction motor.
In the centrifugal fan, one side of the fan shell is fixedly connected with the hanging rod, the middle of the hanging rod is fixedly connected with the traction rope, the output end of the traction motor is fixedly connected with the traction roller, and one end of the traction rope is wound on the traction roller.
In foretell centrifugal fan, one side of arc slide is fixed and is equipped with motor switch, traction motor passes through motor switch and external power electric connection.
Compared with the prior art, this centrifugal fan sets up the semicircular mounting groove that corresponds with the wind chamber on fan shell surface, and the mounting groove bottom is equipped with the die-pin about sliding on the gag lever post, and the electric putter of jacking die-pin, the inside fan end cover that sets up semi-circular structure of mounting groove, during the installation, can pass through the die-pin jacking to the mounted position of mounting groove with the fan end cover, make fan end cover need not carry and long-time support end operation, it is more convenient to use, fan shell can slide on the arc slide simultaneously, drive the carry over pinch rolls through traction motor and rotate, and then stimulate through the haulage cable, make fan shell rise on the arc slide, thereby change whole fan angle, adjust its air outlet position.
Drawings
Fig. 1 is a perspective view of the centrifugal fan.
Fig. 2 is a schematic structural diagram of the supporting rod in the centrifugal fan.
Fig. 3 is a schematic structural diagram of a traction motor in the centrifugal fan.
In the figure, 1, a fan base; 2. an arc-shaped slideway; 3. a guide chute; 4. a fan housing; 5. a fan end cover; 6. a protective net; 7. a hanging rod; 8. a traction cable; 9. a motor case; 10. mounting a plate; 11. an electric push rod; 12. a wind cavity; 13. mounting grooves; 14. a limiting rod; 15. a support rod; 16. a traction motor; 17. and (4) pulling the rolls.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the centrifugal fan comprises a fan base 1, an arc-shaped slideway 2, a guide chute 3, a fan shell 4, a fan end cover 5, a traction rope 8, a mounting plate 10, an electric push rod 11, a mounting groove 13, a supporting rod 15 and a traction motor 16, wherein the arc-shaped slideway 2 is fixedly mounted at the top end of the fan base 1, the guide chute 3 is respectively arranged at the side edge of the top end of the arc-shaped slideway 2, an inner slide seat is slidably mounted inside the guide chute 3, the mounting plate 10 is fixedly connected at the top end of the inner slide seat, the fan shell 4 is fixedly mounted on the inner slide seat through the mounting plate 10, the mounting groove 13 is arranged on the side surface of the fan shell 4, an air cavity 12 is fixedly arranged inside the mounting groove 13, the limiting rods 14 are respectively fixedly arranged at two sides of the inner wall surface of the mounting groove 13, the outsides of the two limiting rods 14 are respectively slidably sleeved with two ends of the supporting rod 15, the electric push rod 11 is fixedly arranged at the bottom of the supporting rod 15, and the output end of the electric push rod 11 is fixedly connected with the middle part of the bottom end of the support rod 15 through a support rod.
In more detail, the fan end cover 5 is fixedly installed inside the installation groove 13, an air inlet port is formed in the outer surface of the fan end cover 5, the air inlet port is arranged in a conical shape, the diameter of the outer port is larger than that of the inner port, and the outer port of the air inlet port is fixedly provided with the protective net 6; the top fixed mounting of arc slide 2 has motor case 9, the inside fixed mounting of motor case 9 has the motor cabinet, the inboard fixed mounting of motor cabinet has traction motor 16, one side fixedly connected with peg 7 of fan housing 4, the middle part fixedly connected with haulage cable 8 of peg 7, traction motor 16's output fixedly connected with carry over pinch rolls 17, and carry over pinch rolls 17 is twined to carry over pinch rolls 8's one end, the fixed motor switch that is equipped with in one side of arc slide 2, traction motor 16 passes through motor switch and external power supply electric connection.
During the installation, arrange fan end cover 5 in the die-pin 15 earlier on, then start electric putter 11, fan end cover 5 passes through die-pin 15 jacking to the top mounted position of mounting groove 13, make fan end cover 5 need not manual transport and long-time support bottom operation, it is more convenient laborsaving to use, fan shell 4 can slide on arc slide 2 simultaneously, drive carry over pinch rolls 17 through traction motor 16 and rotate, and then stimulate through haulage cable 8, make fan shell 4 rise in arc slide 2, thereby change the angle of whole fan, adjust its air outlet position, 4 mobility enhancements of fan shell simultaneously, the daily maintenance operation of also being convenient for.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (6)
1. A centrifugal fan comprises a fan base (1), an arc-shaped slide way (2), a guide chute (3), a fan shell (4), a fan end cover (5), a traction rope (8), a mounting plate (10), an electric push rod (11), a mounting groove (13), a supporting rod (15) and a traction motor (16), and is characterized in that the arc-shaped slide way (2) is fixedly mounted at the top end of the fan base (1), the guide chute (3) is respectively arranged at the side edge of the top end of the arc-shaped slide way (2), an inner slide seat is slidably mounted inside the guide chute (3), the mounting plate (10) is fixedly connected at the top end of the inner slide seat, the fan shell (4) is fixedly mounted on the inner slide seat through the mounting plate (10), the mounting groove (13) is arranged on the side surface of the fan shell (4), and a wind cavity (12) is fixedly arranged inside the mounting groove (13), the two sides of the inner wall surface of the mounting groove (13) are fixedly provided with limiting rods (14), the outer portions of the limiting rods (14) are respectively in sliding sleeve joint with the two ends of the supporting rod (15), the bottom of the supporting rod (15) is fixedly provided with an electric push rod (11), and the output end of the electric push rod (11) is fixedly connected with the middle of the bottom end of the supporting rod (15) through a supporting rod.
2. The centrifugal fan according to claim 1, wherein: the inside fixed mounting of mounting groove (13) has fan end cover (5), just the air inlet port has been seted up on the external surface of fan end cover (5).
3. A centrifugal fan according to claim 2, wherein: the air inlet port is in a conical arrangement, the diameter of the outer port is larger than that of the inner port, and a protective net (6) is fixedly mounted at the outer end opening of the air inlet port.
4. The centrifugal fan according to claim 1, wherein: the top fixed mounting of arc slide (2) has motor case (9), the inside fixed mounting of motor case (9) has the motor cabinet, the inboard fixed mounting of motor cabinet has traction motor (16).
5. The centrifugal fan according to claim 4, wherein: one side fixedly connected with peg (7) of fan shell (4), the middle part fixedly connected with haulage cable (8) of peg (7), the output fixedly connected with carry over pinch rolls (17) of traction motor (16), just the one end winding of carry over pinch rolls (17) of haulage cable (8).
6. The centrifugal fan according to claim 5, wherein: and a motor switch is fixedly arranged on one side of the arc-shaped slide way (2), and the traction motor (16) is electrically connected with an external power supply through the motor switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459499.0U CN216381892U (en) | 2021-10-13 | 2021-10-13 | Centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459499.0U CN216381892U (en) | 2021-10-13 | 2021-10-13 | Centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381892U true CN216381892U (en) | 2022-04-26 |
Family
ID=81244707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122459499.0U Active CN216381892U (en) | 2021-10-13 | 2021-10-13 | Centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381892U (en) |
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2021
- 2021-10-13 CN CN202122459499.0U patent/CN216381892U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A centrifugal fan Effective date of registration: 20221201 Granted publication date: 20220426 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Dayang fan Co.,Ltd. Registration number: Y2022980024256 |