CN212744486U

CN212744486U - Air intake adjustable fan

Info

Publication number: CN212744486U
Application number: CN202021031790.7U
Authority: CN
Inventors: 林成红; 王成玉; 杨学超; 张振海
Original assignee: Shandong Haorui Intelligent Technology Co ltd; Yantai Haide Special Vehicle Co Ltd
Current assignee: Shandong Haorui Intelligent Technology Co ltd; Yantai Haide Special Vehicle Co Ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-19
Anticipated expiration: 2030-06-08

Abstract

The utility model belongs to the technical field of the fan, a intake adjustable fan is disclosed, including the fan body, the fan body is equipped with the inlet box, be equipped with the baffle in the inlet box and fall into two or more with the air inlet, and have at least an air inlet to be equipped with air regulation mechanism, air regulation mechanism is including setting up the regulating spindle of air inlet department on the inlet box, the regulating plate of being connected with the regulating spindle, the telescopic machanism of being connected with regulating spindle one end, the regulating spindle can rotate under telescopic machanism's effect. The utility model discloses a fan can have different air inlets to the air input of every air inlet can independently be adjusted, thereby realizes a fan suction a plurality of boxes, and can adjust the size of its suction dynamics wantonly.

Description

Air intake adjustable fan

Technical Field

The utility model relates to a fan technical field, concretely relates to intake adjustable fan.

Background

At present, the air inlet form of the existing centrifugal fan is generally the following two types:

1. the structure of one air outlet and one air inlet can reach higher pressure according to different impeller designs. The fan has only one air outlet and cannot pump different independent box bodies.

2. One air outlet and two air inlets. The air inlets are respectively arranged at two sides of the frame and are provided with double-suction impellers. The structure is large in size, and when the air inlet volumes of the two air inlets are unbalanced, the axial force on the impeller is increased, so that the support bearings at two ends are damaged. And two air inlets can not adjust the size of air input.

Therefore, the existing fan has the technical problems that different independent boxes cannot be sucked or the circumferential damage is large and the size of the air inflow cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the background art, the utility model provides a simple structure, the volume is less, many air intakes, independently pump different spaces and can adjust the fan of air input alone. In order to achieve the above object, the following technical solutions are adopted.

The utility model provides an intake adjustable fan, includes fan body and inlet box, be equipped with the baffle in the inlet box and fall into two or more with the air inlet, and have at least one air inlet and be equipped with air regulation mechanism, air regulation mechanism is including setting up the regulating spindle of air inlet department on the inlet box, the regulating plate of being connected with the regulating spindle, the telescopic machanism of being connected with regulating spindle one end, the regulating spindle can rotate under telescopic machanism's effect.

Preferably, the telescopic mechanism comprises a rotating lug connected with the adjusting shaft and an adjusting cylinder hinged with the rotating lug.

Preferably, the adjusting cylinder is an oil cylinder or an air cylinder or an electric push rod.

Preferably, a sealing strip is arranged in the air inlet corresponding to the adjusting plate.

The fan body comprises a rack, a bearing seat connected with the rack, a fan shaft connected with the bearing seat through a bearing, a belt pulley connected with one end of the fan shaft and an impeller connected with the other end of the fan shaft.

Preferably, one side of the air inlet box close to the impeller is provided with a guide ring.

Preferably, the bearing seat is provided with an oil supplementing structure.

Preferably, the oil supply structure includes a grease nipple and an oil cup provided on the bearing housing, which enable grease therein to flow into the bearing play.

Preferably, the impeller is fixed on the fan shaft through a wheel end pressing plate.

Preferably, the pulley is connected to the fan shaft by a pulley clamp.

The inside of the air inlet box is separated by a partition board to form two or more air inlets, and the fan can enter air through any one air inlet. The air inlet is internally provided with an adjusting mechanism, and according to the actual working condition, only one air inlet is provided with the adjusting mechanism, or two, a plurality or all of the air inlets are provided with the adjusting mechanism. The adjusting mechanism comprises an adjusting plate, one side of the adjusting plate is installed on the adjusting shaft, bearing seats are installed at two ends of the adjusting shaft, bearings are installed in the bearing seats, and the adjusting shaft can rotate freely. One end of the adjusting shaft is provided with an oil cylinder, an air cylinder or an electric push rod. When the oil cylinder is installed, the oil cylinder stretches and retracts to drive the adjusting shaft to rotate, so that the adjusting plate is driven to rotate, and the purpose of adjusting the size of each air inlet is achieved. The impeller is arranged in the frame and is arranged at one end of the fan shaft, and the other end of the fan shaft is provided with a belt wheel or a motor which is supported by a bearing. Under the rotation of the belt or the motor, the fan shaft can rotate around the shaft axis of the fan shaft, so that the impeller is driven to rotate. The air inlet box is arranged on one side of the fan frame. The inside of the air inlet box is divided into two or more air inlets by a partition board, and the sizes of the two or more air inlets can be the same or different according to the use requirements. The fan shaft bearing is provided with a function of adjusting the clearance.

The utility model discloses a fan inlet box is one, installs in one side of frame, makes the volume of fan diminish. The air inlet box is divided into two or more air inlets, and can simultaneously meet the use of a plurality of spaces. And the air inlet is internally provided with an adjusting mechanism which can adjust the air inlet amount of any one air inlet so as to achieve the aim of sucking according to requirements. Under the same fan condition, the multifunctional fan has the characteristics of multiple purposes, independent adjustment, small volume and low energy consumption. The air inlet of each air inlet can be independently adjusted, so that one fan can suck a plurality of boxes, and the suction force of the fan can be adjusted at will.

Description of the drawings:

FIG. 1: the utility model discloses the whole structure picture of adjustable fan of intake.

FIG. 2: the utility model discloses adjusting part structure picture in the air inlet box.

FIG. 3: the utility model discloses the drive disk assembly of the adjustable fan of intake constructs.

FIG. 4: the utility model discloses fan shaft connection structure.

Wherein, 1, a frame; 2. an adjusting plate; 3. an adjustment shaft; 41. a cylinder shaft; 42. an adjusting cylinder; 43. connecting a pin shaft; 44. ear turning; 5. a partition plate; 61. a first air inlet; 62. a second air inlet; 7. an exhaust port; 8. an oil cup; 91. an impeller; 92. a flow guide ring; 10. a stop washer; 11. a grease nipple; 12. a belt wheel press plate; 13. a belt pulley; 14. a fan shaft; 15. a round nut; 16. a bearing; 17. a bearing seat; 18. a wheel end pressing plate; 19. oil sealing; 20. an air intake box; 30. the fan body.

Detailed Description

The technical scheme is specifically explained according to the attached drawings.

A fan with adjustable intake is shown in figure 1 and comprises a fan body 30 and an air inlet box 20, wherein the air inlet box 20 is installed on one side of the fan, a partition plate 5 is arranged in the air inlet box 20 and divides the air inlet box into two air inlets, namely a first air inlet 61 and a second air inlet 62, the first air inlet 61 is arranged with an upward opening, the second air inlet 62 is arranged with an upward opening, and the first air inlet 61 and the second air inlet 62 are both communicated with the fan. The fan is also provided with an exhaust port 7. The first air inlet 61 and the second air inlet 62 are each provided with an air volume adjusting mechanism. The air volume adjusting mechanism comprises an adjusting shaft 3 arranged at an air inlet on the air inlet box 20, an adjusting plate 2 connected with the adjusting shaft 3 and a telescopic mechanism connected with one end of the adjusting shaft 3, and the adjusting shaft 3 can rotate under the action of the telescopic mechanism. The adjusting shaft 3 is provided with bearings 16 at both ends of the adjusting shaft 3, and is sealed by an oil seal 19 of the adjusting shaft 3.

As shown in fig. 2, the telescopic mechanism includes a rotary lug 44 connected to the adjusting shaft 3 and an adjusting cylinder 42 hinged to the rotary lug 44, and the adjusting cylinder 42 is an oil cylinder. The rotating lug 44 is connected with one end of the adjusting shaft 3, the oil plug rod of the oil cylinder is connected with the other end of the rotating lug 44 by a connecting pin shaft 43, and the tail end of the oil cylinder is connected with the cylinder shaft 41. When oil enters the rodless cavity of the oil cylinder, the piston rod is pushed to move outwards under the action of oil pressure to drive the rotating lug 44 and the adjusting shaft 3 to rotate, so that the end, which is not connected with the adjusting shaft 3, of the adjusting plate 2 moves upwards, and the air inlet area of the air inlet is reduced. On the contrary, when oil enters the rod cavity of the oil cylinder, the piston rod is pushed to retract under the action of oil pressure, the rotating lug 44 and the adjusting shaft 3 are driven to rotate, and therefore the end, which is not connected with the adjusting shaft 3, of the adjusting plate 2 moves downwards, and the air inlet area of the air inlet is increased.

And a sealing strip is arranged on the inner wall of the air inlet box 20 close to the fan and at the position corresponding to the adjusting plate 2. When oil enters the rodless cavity of the oil cylinder, the piston rod is pushed to move outwards under the action of oil pressure, the rotating lug 44 and the adjusting shaft 3 are driven to rotate, and therefore the end, which is not connected with the adjusting shaft 3, of the adjusting plate 2 moves upwards. When the adjusting plate 2 moves up to the extreme, the edge of the adjusting plate contacts with the sealing strip and compresses the sealing strip to achieve the sealing effect.

As shown in fig. 3, the blower main body 30 includes a chassis 1, a bearing housing 17 connected to the chassis 1, a blower shaft 14 connected to the bearing housing 17 through a bearing 16, a pulley 13 connected to one end of the blower shaft 14, and an impeller 91 connected to the other end of the blower shaft 14. The guide ring 92 is installed on one side of the air inlet box 20 close to the impeller 91, so that the fan efficiency can be effectively improved.

As shown in fig. 4, the bearing housing 17 is mounted on the chassis 1, the bearing 16 is mounted in the bearing housing 17, and the fan shaft 14 is supported by the bearing 16. And fan shaft 14 oil seals 19 are arranged at two ends of the bearing seat 17 to play a role in sealing. The bearing 16 is provided with a round nut 15 which can adjust the bearing clearance of the shaft 3, and the round nut 15 is locked by locking the washer 10 with the round nut 15. The bearing seat 17 is provided with a grease nipple 11 and an oil cup 8, and the grease nipple 11 and the oil cup 8 can enable the grease in the grease nipple to flow into the bearing 16 for play.

One end of the fan shaft 14 is provided with a belt pulley 13 which is pressed tightly by a belt pulley pressing plate 12.

The other end of the fan shaft 14 is connected with an impeller 91, the impeller 91 is connected on the fan shaft 14 through a wheel end pressing plate 18,

and is positioned in the frame 1, when the belt pulley 13 rotates, the fan shaft 14 can rotate around the shaft axis of the fan shaft, so as to drive the impeller 91 to rotate.

The working principle is as follows: when the fan works, because the air inlet box 20 is divided into two air inlets by the partition plate 5 for air inlet, one end of the adjusting plate is driven by the oil cylinder to move up and down, so that different air inlet amounts can be adjusted. Under the same working condition, the volume is smaller, and the air volume adjustment for different purposes is realized.

Although specific embodiments of the present invention have been described above, it should be understood by those skilled in the art that these are merely examples, the present invention is not limited to the above preferred embodiments, and that various other forms of products can be obtained by anyone in the light of the present invention, and any changes in the shape or structure thereof, which are the same or similar to the present invention, fall within the scope of the present invention.

Claims

1. The utility model provides an intake adjustable fan, includes fan body (30) and inlet box (20), its characterized in that, be equipped with baffle (5) in inlet box (20) and fall into two or more with the air inlet, and have at least one air inlet and be equipped with air regulation mechanism, air regulation mechanism is including setting up regulating spindle (3) of air inlet department on inlet box (20), regulating plate (2) of being connected with regulating spindle (3), the telescopic machanism of being connected with regulating spindle (3) one end, regulating spindle (3) can rotate under telescopic machanism's effect.

2. The air intake adjustable fan of claim 1, characterized in that: the telescopic mechanism comprises a rotary lug (44) connected with the adjusting shaft (3) and an adjusting cylinder (42) hinged with the rotary lug (44).

3. The air intake adjustable fan of claim 2, characterized in that: the adjusting cylinder (42) is an oil cylinder or an air cylinder or an electric push rod.

4. The air intake adjustable fan of claim 3, characterized in that: and a sealing strip is arranged in the position corresponding to the adjusting plate (2) in the air inlet.

5. The fan with the adjustable intake of any one of claims 1 to 4, wherein: the fan body (30) comprises a rack (1), a bearing (16) seat connected with the rack (1), a fan shaft (14) connected with the bearing (16) seat through the bearing (16), a belt pulley (13) connected with one end of the fan shaft (14) and an impeller (91) connected with the other end of the fan shaft (14).

6. The air intake adjustable fan of claim 5, characterized in that: and a guide ring (92) is arranged on one side of the air inlet box (20) close to the impeller (91).

7. The air intake adjustable fan of claim 6, characterized in that: an oil supplementing structure is arranged on the bearing (16) seat.

8. The air intake adjustable fan of claim 7, characterized in that: the oil supplementing structure comprises a grease nipple (11) and an oil cup (8) which are arranged on a bearing (16) seat and can enable lubricating grease in the grease to flow into the bearing (16) to play.

9. The air intake adjustable fan of claim 8, characterized in that: the impeller (91) is fixed on the fan shaft (14) through a wheel end pressing plate (18).

10. The air intake adjustable fan of claim 9, characterized in that: the belt pulley (13) is connected to a fan shaft (14) through a belt pulley pressing plate (12).