CN213684644U

CN213684644U - Draught fan with adjustable quiet leaf based on oxygen source electrical heating technique

Info

Publication number: CN213684644U
Application number: CN202022604019.0U
Authority: CN
Inventors: 邵乾
Original assignee: Wuxi Shaoshi Technology Co ltd
Current assignee: Wuxi Shaoshi Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-13
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a draught fan with adjustable quiet leaf based on oxygen source electrical heating technique, includes fixed chamber, fixed intracavity cavity is connected with the fixed plate, the fixed plate bottom is run through and is provided with two bull sticks, just the fixed motor that is provided with in fixed plate top, motor output shaft tip is connected, two with one of them bull stick transmission bull stick top and bottom are all fixed and are provided with belt pulley and driving gear. The utility model discloses a motor corotation drives four sleeve pipes, diaphragm, rotor plate and draught fan body while rebound, realizes adjusting the draught fan body to co-altitude, is convenient for adapt to the installation of co-altitude, and it is rotatory that the rotor plate drives the draught fan body to rotate, and two friction pads realize the rotor plate relatively fixed after will rotating, avoid the rotor plate to rotate relatively to realize draught fan body angle modulation, and then be convenient for install the draught fan body in the assigned position conveniently.

Description

Draught fan with adjustable quiet leaf based on oxygen source electrical heating technique

Technical Field

The utility model relates to a draught fan technical field, concretely relates to draught fan with adjustable quiet leaf based on oxygen source electrical heating technique.

Background

The induced draft fan is a device which generates negative pressure through rotation of an impeller and further extracts air from a system (device), and the induced draft fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced draft of boilers and industrial kilns, cooling and ventilation in 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 prior art has the following defects: most of the existing draught fans are fixed, and height adjustment cannot be achieved, so that the draught fans cannot be conveniently installed at different heights, the existing draught fans cannot achieve angle adjustment, the draught fans cannot be conveniently installed at specified positions, and the overall practicability is poor.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a draught fan with adjustable quiet leaf based on oxygen source electrical heating technique, drive four sleeve pipes through motor corotation, the diaphragm, rotor plate and draught fan body rebound simultaneously, realize adjusting the draught fan body to the co-altitude, be convenient for adapt to the installation of co-altitude, it is rotatory to rotate the rotor plate and drive the draught fan body, rotor plate relatively fixed after two friction pads realize rotating, avoid the rotor plate to rotate relatively, thereby realize draught fan body angle modulation, and then be convenient for install the draught fan body at the assigned position conveniently, with the problem in solving above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: a fixed blade adjustable draught fan based on an oxygen source electric heating technology comprises a fixed cavity, wherein an inner cavity of the fixed cavity is connected with a fixed plate, two rotating rods are arranged at the bottom of the fixed plate in a penetrating manner, a motor is fixedly arranged at the top of the fixed plate, the end part of an output shaft of the motor is in transmission connection with one of the rotating rods, belt pulleys and driving gears are fixedly arranged at the top and the bottom of the two rotating rods, a transmission belt is connected between the two belt pulleys, rotating shafts are arranged at four corners of the inner cavity of the fixed cavity, driven gears are fixedly arranged at the bottoms of the four rotating shafts, chains are connected between the two driving gears and the two driven gears at corresponding positions, a transverse plate is arranged at the top of the fixed cavity, sleeves are connected at four corners of the bottom of the transverse plate, the, the improved induced draft fan comprises a transverse plate and is characterized in that a rotating plate is arranged at the top of the transverse plate, an induced draft fan body is fixedly arranged at the top of the rotating plate, a round rod is connected to the bottom of the rotating plate, friction pads are fixedly arranged on two sides of the top of the transverse plate, and the friction pads are attached to the rotating plate.

Preferably, four the pivot top all fixedly is provided with the external screw thread, four the intraductal wall of cover all fixedly is provided with the internal thread, four the pivot is threaded connection respectively in the cover of corresponding position.

Preferably, a first bearing is arranged at the joint of the round rod and the transverse plate, and the round rod is rotatably connected with the transverse plate through the first bearing.

Preferably, four the pivot all is provided with the second bearing with fixed chamber junction and the bull stick and the fixed plate junction of keeping away from the motor, four the pivot all rotates through second bearing and fixed chamber to be connected, keeps away from the bull stick of motor rotates through second bearing fixed plate to be connected.

Preferably, the bottoms of the peripheral surfaces of the four rotating shafts are fixedly provided with check rings.

Preferably, supporting legs are fixedly arranged at the four corners of the bottom of the fixing cavity, and anti-skid gaskets are fixedly arranged at the bottoms of the four supporting legs.

Preferably, a plurality of arc-shaped grooves are fixedly formed in the top of the transverse plate, steel balls are arranged in the arc-shaped grooves in a rolling mode, and the steel balls are attached to the rotating plate.

In the technical scheme, the utility model provides a technological effect and advantage:

drive two bull sticks through motor corotation and rotate, and then drive four pivots and rotate simultaneously, because four pivots are threaded connection respectively in the sleeve pipe that corresponds the position, four sleeve pipes are driven when four pivots rotate, the diaphragm, rotor plate and draught fan body rebound simultaneously, thereby drive draught fan body rebound through motor corotation, the realization is adjusted the draught fan body to co-altitude, be convenient for adapt to the installation of co-altitude, it drives the draught fan body rotation to rotate the rotor plate, rotor plate relatively fixed after two friction pads realize will rotating, avoid the rotor plate to rotate relatively, thereby realize draught fan body angle modulation, and then be convenient for install the draught fan body at the assigned position conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a view of the usage scenario of fig. 1 according to the present invention.

Fig. 4 is a schematic view illustrating the connection of the driving gear, the driven gear and the chain according to the present invention.

Description of reference numerals:

1. a fixed cavity; 2. a fixing plate; 3. a rotating rod; 4. a motor; 5. a belt pulley; 6. a driving gear; 7. a drive belt; 8. a rotating shaft; 9. a driven gear; 10. a chain; 11. a transverse plate; 12. a sleeve; 13. a rotating plate; 14. a draught fan body; 15. a round bar; 16. a friction pad; 17. and (5) steel balls.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a static blade adjustable draught fan based on oxygen source electrical heating technology, as shown in figures 1-4, comprising a fixed cavity 1, the inner cavity of the fixed cavity 1 is connected with a fixed plate 2, the bottom of the fixed plate 2 is provided with two rotating rods 3 in a penetrating way, the top of the fixed plate 2 is fixedly provided with a motor 4, the end part of the output shaft of the motor 4 is in transmission connection with one of the rotating rods 3, the top and the bottom of the two rotating rods 3 are fixedly provided with belt pulleys 5 and driving gears 6, a transmission belt 7 is connected between the two belt pulleys 5, four corners of the inner cavity of the fixed cavity 1 are respectively provided with a rotating shaft 8, the bottom of the four rotating shafts 8 is respectively fixedly provided with driven gears 9, chains 10 are respectively connected between the two driving gears 6 and the two driven gears 9 at corresponding positions, the top of the fixed, diaphragm 11 bottom four corners position department all is connected with sleeve pipe 12, four pivot 8 is inserted respectively in the sleeve pipe 12 of corresponding position, diaphragm 11 top is provided with rotor plate 13, the fixed draught fan body 14 that is provided with in rotor plate 13 top, just rotor plate 13 bottom is connected with round bar 15, diaphragm 11 top both sides are all fixed friction pad 16 that is provided with, two friction pad 16 all laminates mutually with rotor plate 13.

Further, in the above technical scheme, four tops of the rotating shafts 8 are all fixedly provided with external threads, four inner walls of the sleeves 12 are all fixedly provided with internal threads, and the four rotating shafts 8 are respectively in threaded connection with the corresponding positions in the sleeves 12 to realize threaded transmission.

Further, in the above technical solution, a first bearing is arranged at a connection position of the round rod 15 and the transverse plate 11, and the round rod 15 is rotatably connected with the transverse plate 11 through the first bearing, so that the round rod 15 is rotatably connected with the transverse plate 11.

Further, in above-mentioned technical scheme, four the pivot 8 all is provided with the second bearing with fixed 1 junction in chamber and the bull stick 3 of keeping away from motor 4 and fixed plate 2 junction, four the pivot 8 all rotates with fixed chamber 1 through the second bearing and is connected, keeps away from the bull stick 3 of motor 4 rotates through second bearing fixed plate 2 and is connected, realizes that four pivots 8 rotate with fixed chamber 1 and is connected, realizes keeping away from motor 4's bull stick 3 and fixed plate 2 and rotates and be connected.

Further, in the above technical scheme, the bottoms of the peripheral surfaces of the four rotating shafts 8 are all fixedly provided with check rings to limit the four sleeves 12.

Furthermore, in the above technical scheme, four supporting legs are fixedly arranged at four corners of the bottom of the fixed cavity 1, and anti-slip gaskets are fixedly arranged at the bottoms of the supporting legs, so that the fixed cavity 1 is supported and prevented from slipping.

Further, in the above technical scheme, a plurality of arc-shaped grooves are fixedly formed in the top of the transverse plate 11, a plurality of steel balls 17 are arranged in the arc-shaped grooves in a rolling manner, and the plurality of steel balls 17 are attached to the rotating plate 13, so that the rotating plate 13 is supported, and the rotating plate 13 is convenient to rotate.

The implementation mode is specifically as follows: when in actual use, the fixed cavity 1 is moved to a designated position, the induced draft fan body 14 and the motor 4 are both connected with an external power supply through leads, the motor 4 is connected for positive rotation, under the action of the two belt pulleys 5 and the transmission belt 7, the motor 4 drives the two rotating rods 3 to rotate simultaneously, the two rotating rods 3 drive the driving gear 6 at the corresponding position to rotate, under the action of the two chains 10, the two driving gears 6 drive the four driven gears 9 and the rotating shafts 8 at the corresponding positions to rotate simultaneously, because the four rotating shafts 8 are respectively in threaded connection with the sleeves 12 at the corresponding positions, the four rotating shafts 8 drive the four sleeves 12, the transverse plate 11, the rotating plate 13 and the induced draft fan body 14 to move upwards simultaneously, thereby the induced draft fan body 14 is driven to move upwards through positive rotation of the motor 4, the induced draft fan body 14 is adjusted to different heights, and the induced draft fan body, rotate rotor plate 13 and drive draught fan body 14 rotatory, rotor plate 13 relatively fixed after two friction pads 16 realize will rotating, avoid rotor plate 13 to rotate relatively, thereby realize draught fan body 14 angle modulation, and then be convenient for install draught fan body 14 at the assigned position conveniently, this embodiment has specifically solved the current draught fan that exists among the prior art and is mostly fixed, can not realize height control, thereby can not install the draught fan at different heights conveniently, and current draught fan can not realize angle modulation, thereby can not install the draught fan at the assigned position conveniently, thereby the relatively poor problem of whole practicality.

This practical theory of operation: four sleeve pipes 12 are driven through the positive rotation of motor 4, diaphragm 11, rotor plate 13 and draught fan body 14 rebound simultaneously, the realization is adjusted draught fan body 14 to the co-altitude not, be convenient for adapt to the installation of co-altitude not, it drives draught fan body 14 rotation to rotate rotor plate 13, two friction pads 16 realize rotor plate 13 relatively fixed after will rotating, avoid rotor plate 13 to rotate relatively, thereby realize draught fan body 14 angle modulation, and then be convenient for install draught fan body 14 at the assigned position conveniently.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an draught fan with adjustable quiet leaf based on oxygen source electrical heating technique, includes fixed chamber (1), its characterized in that: the inner cavity of the fixed cavity (1) is connected with a fixed plate (2), two rotating rods (3) are arranged at the bottom of the fixed plate (2) in a penetrating manner, a motor (4) is fixedly arranged at the top of the fixed plate (2), the end part of an output shaft of the motor (4) is in transmission connection with one rotating rod (3), belt pulleys (5) and driving gears (6) are fixedly arranged at the top and the bottom of the two rotating rods (3), a transmission belt (7) is connected between the two belt pulleys (5), rotating shafts (8) are arranged at four corners of the inner cavity of the fixed cavity (1), driven gears (9) are fixedly arranged at the bottoms of the four rotating shafts (8), chains (10) are connected between the two driving gears (6) and the two driven gears (9) at corresponding positions, a transverse plate (11) is arranged at the top of the fixed cavity, diaphragm (11) bottom four corners position department all is connected with sleeve pipe (12), four pivot (8) are inserted respectively in sleeve pipe (12) of corresponding the position, diaphragm (11) top is provided with rotor plate (13), fixed draught fan body (14) that are provided with in rotor plate (13) top, just rotor plate (13) bottom is connected with round bar (15), diaphragm (11) top both sides are all fixed and are provided with friction pad (16), two friction pad (16) all laminate mutually with rotor plate (13).

2. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: four the top of pivot (8) is all fixed and is provided with the external screw thread, four the sleeve pipe (12) inner wall is all fixed and is provided with the internal thread, four pivot (8) threaded connection respectively is in sleeve pipe (12) of corresponding position.

3. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: the round bar is characterized in that a first bearing is arranged at the joint of the round bar (15) and the transverse plate (11), and the round bar (15) is rotatably connected with the transverse plate (11) through the first bearing.

4. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: four pivot (8) and fixed chamber (1) junction and bull stick (3) and fixed plate (2) junction of keeping away from motor (4) all are provided with the second bearing, four pivot (8) all rotate with fixed chamber (1) through the second bearing and are connected, keep away from bull stick (3) of motor (4) rotate through second bearing fixed plate (2) and are connected.

5. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: and the bottoms of the peripheral surfaces of the four rotating shafts (8) are fixedly provided with check rings.

6. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: the four corners of the bottom of the fixed cavity (1) are fixedly provided with support legs, and the bottoms of the support legs are fixedly provided with anti-skid gaskets.

7. The stationary blade adjustable induced draft fan based on the oxygen source electric heating technology of claim 1, wherein: the steel ball rolling device is characterized in that a plurality of arc-shaped grooves are fixedly formed in the top of the transverse plate (11), steel balls (17) are arranged in the arc-shaped grooves in a rolling mode, and the steel balls (17) are attached to the rotating plate (13).