CN213016907U

CN213016907U - Centrifugal fan with double-channel air supply function

Info

Publication number: CN213016907U
Application number: CN202022024903.7U
Authority: CN
Inventors: 闫绍会
Original assignee: Tianjin Kaiweida Ventilation Equipment Co ltd
Current assignee: Tianjin Kaiweida Ventilation Equipment Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-20
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a centrifugal fan with double-channel air supply function, which belongs to the technical field of centrifugal fans and comprises a base, wherein one side of the top of the base is provided with a fan, the other side of the top of the base is provided with a motor, the air exhaust end of the fan is fixedly connected with an exhaust pipe and two exhaust pipes, one end of the exhaust pipe, which is far away from the fan, is fixedly connected with a regulating pipe, the outer wall of the regulating pipe is fixedly connected with a splint and two splint, the two exhaust pipes can discharge the wind power generated by the fan in the using process, the opening and closing of the exhaust pipes can be controlled by controlling the insertion and extraction of a baffle plate, when double-channel air supply is needed, the two baffle plates are extracted, the two exhaust pipes can be exhausted, and the fan can only supply air in a single air channel by inserting a certain baffle plate, the regulation is flexible, the functionality of the fan is improved, and the use cost of the fan is reduced.

Description

Centrifugal fan with double-channel air supply function

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan of binary channels air supply function.

Background

The centrifugal fan is a driven fluid machine which can increase the pressure of gas and discharge the gas by means of the 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 of air conditioning equipment and household electrical equipment, drying and sorting of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like.

The patent number is CN 209687802U's the centrifugal fan that has announced, through the gap between closed casing and the air inlet ware, improve centrifugal fan's work efficiency.

The centrifugal fan has the following disadvantages that the centrifugal fan has a single air outlet and can only perform single-channel air supply function in the use process, and the fan is additionally arranged when the centrifugal fan is used in an occasion needing double-channel air supply, so that the use cost is increased; 2. above-mentioned centrifugal fan's exhaust pipe and fan formula fixed knot as an organic whole construct, and its angle can't be adjusted, consequently the angle of airing exhaust is fixed single with the direction, can not adjust according to the user demand of difference, for this reason, we provide a centrifugal fan of binary channels air supply function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifugal fan of binary channels air supply function aims at adopting the binary channels to supply air, promotes fan air supply efficiency, can adjust air supply angle in a flexible way simultaneously, has improved centrifugal fan's use flexibility.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of binary channels air supply function's centrifugal fan, the on-line screen storage device comprises a base, the fan is installed to base top one side, the motor is installed to base top opposite side, fan air exhaust end fixedly connected with exhaust pipe and exhaust pipe are two, fan one end fixedly connected with control tube is kept away from to the exhaust pipe, control tube outer wall fixedly connected with splint and splint are two, the grafting chamber has been seted up to the control tube bottom, grafting intracavity portion pegs graft there is the baffle, the connecting pipe can be dismantled at the control tube top and be connected with, connecting pipe one end fixedly connected with go-between, can dismantle between go-between and the splint and be connected with the bolt, the cooperation of bolt surface is.

Optionally, a motor switch is installed on one side of the surface of the motor, and the current input end of the motor is electrically connected with an external power supply through the motor switch.

Optionally, the power output end of the motor is connected with a belt in a matching manner, and the motor is connected with the power input end of the fan through the belt.

Optionally, the outer side wall of the baffle is bonded with a rubber pad a, and the rubber pad a is located at the joint of the baffle and the inner wall of the insertion cavity.

Optionally, the bottom of the connecting pipe is fixedly connected with a rubber pad B, and the bottom of the rubber pad B is inserted into the regulating pipe and tightly attached to the inner wall of the regulating pipe.

The utility model has the advantages as follows:

1. fan and motor are installed at the base top, drive the fan operation and then produce wind-force when the motor moves, the top of fan is fixed with two exhaust pipes, two exhaust pipes all can be discharged the wind-force that the fan produced in the use, the grafting chamber has been seted up to the bottom of regulating tube and its inside grafting has the baffle, it can control the closed of opening of exhaust pipe to extract through inserting of control baffle, when needing the binary channels air supply, all extract two baffles, can make two equal air-outs of exhaust pipe, insert the air-out end that a certain baffle can plug up the exhaust pipe, make the fan can only single wind channel air supply, adjust in a flexible way, high durability and convenient use, compare in the fan of traditional single wind channel air supply, the functionality of fan has been improved, reduce fan use cost.

2. The go-between is installed to connecting pipe one end and is connected with the governing pipe through the go-between, the connecting pipe is used for being connected with external pipeline, when the air-out angle of needs adjustment connecting pipe, only need loosen the nut along the bolt surface, make splint loosen the centre gripping to the go-between, can rotate the angle of connecting pipe adjustment connecting pipe, and then the angle of airing exhaust of adjustment fan, screw up the nut after reaching suitable angle, make splint centre gripping the position of go-between, can fix the angle of connecting pipe and the angle of airing exhaust of fan, compare in traditional fixed angle air exhaust fan, the use flexibility of fan has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a centrifugal fan with a dual-channel air supply function according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an adjusting pipe of the centrifugal fan with a dual-channel air supply function according to the embodiment of the present invention;

fig. 3 is the embodiment of the present invention discloses a schematic structural diagram of the junction between the adjusting pipe and the connecting pipe of the centrifugal fan with dual-channel air supply function.

In the figure: 1. a base; 2. a fan; 3. a motor; 301. a motor switch; 302. a belt; 4. an exhaust duct; 5. an adjusting tube; 501. a splint; 6. an insertion cavity; 601. a baffle plate; 602. a rubber pad A; 7. a connecting pipe; 701. a connecting ring; 8. a bolt; 801. a nut; 9. and (4) a rubber cushion B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

The centrifugal fan with dual-channel air supply function according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, a centrifugal fan with dual channel blowing function according to an embodiment of the present invention includes a base 1, a fan 2 is arranged on one side of the top of the base 1, a motor 3 is arranged on the other side of the top of the base 1, an exhaust pipe 4 is fixedly connected with the exhaust end of the fan 2, the number of the exhaust pipes 4 is two, an adjusting pipe 5 is fixedly connected with one end of each exhaust pipe 4 far away from the fan 2, the outer wall of the adjusting pipe 5 is fixedly connected with two clamping plates 501, the bottom of the adjusting pipe 5 is provided with an inserting cavity 6, the inner part of the inserting cavity 6 is inserted with a baffle 601, the top of the adjusting pipe 5 is detachably connected with a connecting pipe 7, one end of the connecting pipe 7 is fixedly connected with a connecting ring 701, a bolt 8 is detachably connected between the connecting ring 701 and the clamping plate 501, and a nut 801 is connected on the surface of the bolt 8 in a matching manner.

In the process of use, the two exhaust pipes 4 can exhaust the wind power generated by the fan 2, the opening and closing of the exhaust pipes 4 can be controlled by controlling the insertion and the extraction of the baffle plates 601, when double-channel wind supply is needed, both the baffle plates 601 are extracted, the two exhaust pipes 4 can be exhausted uniformly, the fan 2 can only supply air in a single air channel by inserting one baffle 601, the adjustment is flexible, the use is convenient, compared with the traditional fan 2 supplying air in a single air channel, the functionality of the fan 2 is improved, the use cost of the fan 2 is reduced, the nut 801 is unscrewed along the surface of the bolt 8, the clamping plate 501 is used for loosening the clamping of the connecting ring 701, can rotate the angle of connecting pipe 7 adjustment connecting pipe 7, and then adjust fan 2's the angle of airing exhaust, screw up nut 801 after reaching suitable angle and can fix the angle of airing exhaust, improved fan 2's use flexibility.

Referring to fig. 1, a motor switch 301 is installed on one side of the surface of the motor 3, and a current input end of the motor 3 is electrically connected with an external power supply through the motor switch 301.

Illustratively, the connection between the motor 3 and the external power source can be controlled by the motor switch 301, so as to control the start and stop of the motor 3.

Referring to fig. 1, a belt 302 is connected to a power output end of the motor 3 in a matching manner, and the motor 3 is connected to a power input end of the fan 2 through the belt 302.

Illustratively, when the motor 3 is operated, the belt pulley at the output end thereof drives the belt 302 to rotate, and then the belt 302 drives the fan 2 to operate.

Referring to fig. 1 and 2, a rubber pad a602 is adhered to an outer side wall of the baffle 601, and the rubber pad a602 is located at a connection position of the baffle 601 and an inner wall of the plugging chamber 6.

In an example, when the baffle 601 is closed, the rubber pad a602 is located at the joint of the baffle 601 and the insertion cavity 6, so that the joint can be sealed, and air leakage is avoided.

Referring to fig. 1 and 2, a rubber pad B9 is fixedly connected to the bottom of the connecting tube 7, and the bottom of the rubber pad B9 is inserted into the interior of the adjusting tube 5 and tightly attached to the inner wall of the adjusting tube 5.

For example, after the angle of the connecting pipe 7 is adjusted, one end of the connecting pipe away from the connecting ring 701 drives the rubber pad B9 to move, which does not affect the angle adjustment of the connecting pipe 7, and the rubber pad B9 can seal the angle transition.

When in use, the top of the base 1 is provided with the fan 2 and the motor 3, the motor 3 is started through the motor switch 301, the motor 3 drives the fan 2 to operate to generate wind power when in use, the top of the fan 2 is fixed with two exhaust pipes 4, the two exhaust pipes 4 can discharge the wind power generated by the fan 2 when in use, the bottom of the adjusting pipe 5 is provided with the splicing cavity 6, and the baffle 601 is spliced in the cavity, the opening and closing of the exhaust pipes 4 can be controlled by controlling the insertion and extraction of the baffle 601, when double-channel wind supply is needed, the two baffles 601 are both extracted, so that the two exhaust pipes 4 can be exhausted, the air outlet end of the exhaust pipe 4 can be blocked by inserting one baffle 601, the fan 2 can only supply air through a single air channel, the adjustment is flexible, the use is convenient, compared with the traditional fan 2 supplying air through a single air channel, the functionality of the fan 2 is improved, and, when the motor 3 operates, the belt pulley at the output end of the motor drives the belt 302 to rotate, and then the belt 302 drives the fan 2 to operate, when the baffle 601 is closed, the rubber gasket A602 is positioned at the joint of the baffle 601 and the splicing cavity 6, which can seal the joint and avoid air leakage, one end of the connecting pipe 7 is provided with the connecting ring 701 and is connected with the adjusting pipe 5 through the connecting ring 701, the connecting pipe 7 is used for being connected with an external pipeline, when the air outlet angle of the connecting pipe 7 needs to be adjusted, the nut 801 is only required to be unscrewed along the surface of the bolt 8, so that the clamping plate 501 loosens the clamping of the connecting ring 701, the angle of the connecting pipe 7 can be adjusted by rotating the connecting pipe 7, and then the air outlet angle of the fan 2 is adjusted, the nut 801 is screwed after the proper angle is reached, so that the position of the connecting ring 701, compared with the traditional fixed-angle air exhaust fan 2, the use flexibility of the fan 2 is improved, after the angle of the connecting pipe 7 is adjusted, one end of the connecting pipe 701 is far away from the connecting ring 701, the rubber mat B9 is driven to move, the angle adjustment of the connecting pipe 7 is not affected, and meanwhile, the rubber mat B9 can play a role in sealing the angle change position.

It should be noted that, the utility model relates to a centrifugal fan of binary channels air supply function, including base 1, fan 2, motor 3, motor switch 301, belt 302, exhaust pipe 4, regulating duct 5, splint 501, grafting chamber 6, baffle 601, cushion A602, connecting pipe 7, go-between 701, bolt 8, nut 801, cushion B9, the part is general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The motor 3 and the motor switch 301 are conventional products in the prior art, the model of the motor 3 is Y180L, the model of the motor switch 301 is NS2-25, and the internal structure is not described.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The centrifugal fan with the double-channel air supply function comprises a base (1) and is characterized in that a fan (2) is installed on one side of the top of the base (1), a motor (3) is installed on the other side of the top of the base (1), an exhaust pipe (4) is fixedly connected with the exhaust pipe (2) and the exhaust pipe (4) is two, one end, far away from the fan (2), of the exhaust pipe (4) is fixedly connected with an adjusting pipe (5), the outer wall of the adjusting pipe (5) is fixedly connected with a clamping plate (501) and the clamping plate (501) is two, an inserting cavity (6) is formed in the bottom of the adjusting pipe (5), a baffle (601) is inserted into the inserting cavity (6), a connecting pipe (7) is detachably connected to the top of the adjusting pipe (5), a connecting ring (701) is fixedly connected with one end of the connecting pipe (7), and a bolt (8) is detachably, the surface of the bolt (8) is connected with a nut (801) in a matching way.

2. The centrifugal fan with the dual-channel air supply function is characterized in that a motor switch (301) is installed on one side of the surface of the motor (3), and the current input end of the motor (3) is electrically connected with an external power supply through the motor switch (301).

3. The centrifugal fan with the dual-channel air supply function is characterized in that a belt (302) is connected to the power output end of the motor (3) in a matched mode, and the motor (3) is connected with the power input end of the fan (2) through the belt (302).

4. The centrifugal fan with the dual-channel air supply function as claimed in claim 1, wherein a rubber cushion A (602) is bonded to an outer side wall of the baffle (601), and the rubber cushion A (602) is located at a joint of the baffle (601) and an inner wall of the plug cavity (6).

5. The centrifugal fan with the dual-channel air supply function according to claim 1, wherein a rubber pad B (9) is fixedly connected to the bottom of the connecting pipe (7), and the bottom of the rubber pad B (9) is inserted into the adjusting pipe (5) and tightly attached to the inner wall of the adjusting pipe (5).