CN209115374U - A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high - Google Patents
A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high Download PDFInfo
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- CN209115374U CN209115374U CN201822004050.3U CN201822004050U CN209115374U CN 209115374 U CN209115374 U CN 209115374U CN 201822004050 U CN201822004050 U CN 201822004050U CN 209115374 U CN209115374 U CN 209115374U
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Abstract
The utility model relates to centrifugal blower technical fields, and disclose a kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high, including mounting seat, the fixed plate that quantity is two, the mounting rack being fixedly installed between two fixed plates at the top of the mounting seat are fixedly installed at the top of the mounting seat.The air quantity is big, double air inlet box-type centrifugal fans of the high backswept impeller of pressure, driving wheel rotation is driven by setting driving motor, it is driven by the transmission belt of setting, to drive driven wheel to rotate, so that follower lever drives turntable rotation, the air in bellows is compressed by flabellum, air-flow is imported by the air inlet cylinder of setting, gas is compressed rapidly, it is transferred in gas-guide tube by chimney fan, two sidewinds are converged by outlet air part, to form high pressure draught, the centrifugal blower is using double bellows air feeds, it improves volume of air supply and increases pressure, improve working efficiency.
Description
Technical field
The utility model relates to centrifugal blower technical field, specially a kind of air quantity is big, pressure is high backswept impeller
Double air inlet box-type centrifugal fans.
Background technique
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery, centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling, the ventilation of boiler and industrial furnace and air inducing, cooling and ventilation in the apparatus of air conditioning and domestic electric appliance, paddy
It the drying of object and selects and recommends, inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc., centrifugal blower are to be converted to potential energy according to kinetic energy
Principle is accelerated gas using high-speed rotating impeller, is then slowed down and is changed flow direction, kinetic energy is made to be converted into potential energy (pressure),
In one-stage centrifugal blower, from axially into impeller, gas is radially redirected gas when flowing through impeller, subsequently into diffuser,
In diffuser, the gas and changing flow direction and increase of conduit section area makes flow slowing down, this decelerating effect will be moved
It can be converted into pressure energy, pressure, which increases, to be occurred mainly in impeller, secondly occur in diffusion process, in Multi-stage centrifugal fan,
Next impeller is allowed airflow into return channel, generates higher pressure.
So-called centrifugal blower is the principle that potential energy is converted to according to kinetic energy, is added gas using high-speed rotating impeller
Then speed slows down and changes flow direction, be converted to pressure by kinetic energy, achieve the goal through diffusion process, currently there are a variety of
Centrifugal blower equipment, but working efficiency is not high mostly, some structures are single, can only operate in single machine centrifugation aspect, to pressurization
Many deficiencies that aspect still has, so propose the double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high
To solve the above problems.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of the double of the backswept impeller that air quantity is big, pressure is high
Box-type centrifugal fan is entered the wind, has the advantages that air quantity is big, solves that currently there are a variety of centrifugal blower equipment, but it is big
Multiplexing is made inefficient, and some structures are single, can only operate in single machine centrifugation aspect, to pressurization aspect still have it is many not
The problem of foot.
(2) technical solution
To realize the big purpose of above-mentioned air quantity, the utility model provides the following technical solutions: a kind of air quantity is big, pressure is high
Double air inlet box-type centrifugal fans of backswept impeller, including mounting seat are fixedly installed with quantity at the top of the mounting seat
For two fixed plates, the mounting rack being fixedly installed at the top of the mounting seat between two fixed plates, the peace
The top shelved is fixedly installed with driving motor, and the output shaft of the driving motor is fixedly connected with drive rod, and two described solid
The opposite side of fixed board is fixedly installed with positioning seat, is plugged on the left of the fixed plate on the left side and sequentially passes through two positioning
Seat and extend to the right fixed plate on the right of follower lever, the outside of the follower lever is fixedly installed with driving wheel, described driven
The outside of bar is fixedly installed with driven wheel, is sequentially connected between the driving wheel and driven wheel by transmission belt, two described solid
The opposite side of fixed board is fixedly installed with bellows, and the inside of two bellows is fixedly installed with fixed block, described driven
The both ends of bar are fixedly installed with the turntable contacted respectively with two fixed blocks, the fixed peace in the opposite side of two turntables
Equipped with rotating cylinder, the outside of two rotating cylinders is fixedly installed with the flabellum for being located at two inner bellows, two wind
The opposite side of case is fixedly installed with air inlet cylinder, and the top of two bellows is communicated with chimney fan, two outlet air
The opposite side of cylinder is communicated with gas-guide tube, is fixedly installed with outlet air part between two gas-guide tubes.
Preferably, two opposite sides of the fixed plate offer turn hole, the diameter of turn hole and the diameter of follower lever
It is adapted.
Preferably, the size of the drive rod rotation angle is corresponding with the size of driving wheel rotational angle, the transmission
The size for taking turns rotational angle is corresponding with the size of driven wheel rotational angle.
Preferably, the size of the follower lever rotational angle is corresponding with the size of driven wheel rotational angle, the turntable
The size of rotational angle is corresponding with the size of follower lever rotational angle.
Preferably, the size of the drum rotation angle is corresponding with the size of turntable rotational angle, the flabellum rotation
The size of angle is corresponding with the size of drum rotation angle.
Preferably, two bellows are cylindrical, and the top of two bellows offers air outlet.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of double air inlets for the backswept impeller that air quantity is big, pressure is high
Box-type centrifugal fan, have it is following the utility model has the advantages that
The double air inlet box-type centrifugal fans for the backswept impeller that the air quantity is big, pressure is high are driven by setting driving motor
Driving wheel rotation is driven by the transmission belt of setting, so that driven wheel be driven to rotate, so that follower lever drives turntable rotation, is made
It obtains rotating cylinder and drives flabellum rotation, the air in bellows is compressed by flabellum, air-flow is imported by the air inlet cylinder of setting, gas is fast
Ram compression contracting, is transferred in gas-guide tube by chimney fan, and two sidewinds converge by outlet air part, to form high pressure draught, this from
Heart blower is improved volume of air supply and increases pressure, improved working efficiency using double bellows air feeds.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1 mounting seat, 2 fixed plates, 3 mounting racks, 4 driving motors, 5 drive rods, 6 positioning seats, 7 follower levers, 8 pass
Driving wheel, 9 driven wheels, 10 transmission belts, 11 bellows, 12 fixed blocks, 13 turntables, 14 rotating cylinders, 15 flabellums, 16 air inlet cylinders, 17 chimney fans,
18 gas-guide tubes, 19 outlet air parts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high, including installation
Pedestal 1, the top of mounting seat 1 are fixedly installed with the fixed plate 2 that quantity is two, and the top of mounting seat 1 is fixedly installed with
Mounting rack 3 between two fixed plates 2, the top of mounting rack 3 are fixedly installed with driving motor 4, the model of driving motor 4
It can be TCB8014B3, the output shaft of driving motor 4 is fixedly connected with drive rod 5, and the opposite side of two fixed plates 2 is fixed
Positioning seat 6 is installed, the left side of the fixed plate 2 on the left side is plugged with the fixation for sequentially passing through two positioning seats 6 and extending to the right
The follower lever 7 on 2 the right of plate, two opposite sides of fixed plate 2 offer turn hole, the diameter of turn hole and the diameter of follower lever 7
It is adapted, the outside of follower lever 7 is fixedly installed with driving wheel 8, and the outside of follower lever 7 is fixedly installed with driven wheel 9, drive rod 5
The size of rotational angle is corresponding with the size of 8 rotational angle of driving wheel, 9 turns of size and the driven wheel of 8 rotational angle of driving wheel
The size of dynamic angle is corresponding, is sequentially connected between driving wheel 8 and driven wheel 9 by transmission belt 10, and two fixed plates 2 are opposite
Side is fixedly installed with bellows 11, and two bellows 11 are cylindrical, and the top of two bellows 11 offers air outlet, and two
The inside of a bellows 11 is fixedly installed with fixed block 12, the both ends of follower lever 17 be fixedly installed with respectively with two fixed blocks
The turntable 13 of 12 contacts, the size of 7 rotational angle of follower lever is corresponding with the size of 9 rotational angle of driven wheel, and turntable 13 rotates
The size of angle is corresponding with the size of 7 rotational angle of follower lever, and two opposite sides of turntable 13 are fixedly installed with rotating cylinder
14, the outside of two rotating cylinders 14 is fixedly installed with the flabellum 15 being located inside two bellows 11,14 rotational angle of rotating cylinder
Size it is corresponding with the size of 13 rotational angle of turntable, the size of the size of 15 rotational angle of flabellum and 14 rotational angle of rotating cylinder
Corresponding, the opposite side of two bellows 11 is fixedly installed with air inlet cylinder 16, and the top of two bellows 11 is communicated with outlet air
Cylinder 17, the opposite side of two chimney fans 17 is communicated with gas-guide tube 18, is fixedly installed with outlet air part between two gas-guide tubes 18
19, it drives driving wheel 8 to rotate by setting driving motor 4, is driven by the transmission belt 10 of setting, to drive 9 turns of driven wheel
It is dynamic, so that follower lever 7 drives turntable 13 to rotate, so that rotating cylinder 14 drives flabellum 15 to rotate, compressed in bellows 11 by flabellum 15
Air, air-flow is imported by the air inlet cylinder 16 of setting, gas is compressed rapidly, is transferred to gas-guide tube 18 by chimney fan 17
Interior, two sidewinds are converged by outlet air part 19, to form high pressure draught, which is promoted using 11 air feed of double bellows
It volume of air supply and increases pressure, improves working efficiency.
In conclusion the double air inlet box-type centrifugal fans for the backswept impeller that the air quantity is big, pressure is high, are driven by setting
Motor 4 drives driving wheel 8 to rotate, and is driven by the transmission belt 10 of setting, to drive driven wheel 9 to rotate, so that 7 band of follower lever
Turn disk 13 rotates, so that rotating cylinder 14 drives flabellum 15 to rotate, compresses the air in bellows 11 by flabellum 15, passes through setting
It enters the wind cylinder 16 and imports air-flow, gas is compressed rapidly, is transferred in gas-guide tube 18 by chimney fan 17, and two sidewinds pass through outlet air
Part 19 converges, to form high pressure draught, which is improved volume of air supply and increased pressure using 11 air feed of double bellows
Power improves working efficiency.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high, including mounting seat (1), special
Sign is: the fixed plate (2) that quantity is two is fixedly installed at the top of the mounting seat (1), the mounting seat (1)
Top is fixedly installed with the mounting rack (3) between two fixed plates (2), is fixedly installed at the top of the mounting rack (3)
The output shaft of driving motor (4), the driving motor (4) is fixedly connected with drive rod (5), and two fixed plates (2) are opposite
Side be fixedly installed with positioning seat (6), be plugged on the left of the fixed plate (2) on the left side and sequentially pass through two positioning seats
(6) and extend to the right fixed plate (2) on the right of follower lever (7), the outside of the follower lever (7) is fixedly installed with driving wheel
(8), the outside of the follower lever (7) is fixedly installed with driven wheel (9), passes through biography between the driving wheel (8) and driven wheel (9)
Dynamic band (10) is sequentially connected, and two opposite sides of the fixed plate (2) are fixedly installed with bellows (11), two bellows
(11) inside is fixedly installed with fixed block (12), and the both ends of the follower lever (7) are fixedly installed with solid with two respectively
Determine the turntable (13) of block (12) contact, two opposite sides of the turntable (13) are fixedly installed with rotating cylinder (14), two institutes
The outside for stating rotating cylinder (14), which is fixedly installed with, is located at the internal flabellum (15) of two bellows (11), two bellows
(11) opposite side is fixedly installed with air inlet cylinder (16), and the top of two bellows (11) is communicated with chimney fan
(17), two opposite sides of the chimney fan (17) are communicated with gas-guide tube (18), solid between two gas-guide tubes (18)
Dingan County is equipped with outlet air part (19).
The double air inlet box-type centrifugal fans for the backswept impeller that 2. a kind of air quantity according to claim 1 is big, pressure is high,
Be characterized in that: two opposite sides of the fixed plate (2) offer turn hole, the diameter of turn hole and the diameter of follower lever (7)
It is adapted.
The double air inlet box-type centrifugal fans for the backswept impeller that 3. a kind of air quantity according to claim 1 is big, pressure is high,
Be characterized in that: the size of drive rod (5) rotational angle is corresponding with the size of driving wheel (8) rotational angle, the transmission
The size for taking turns (8) rotational angle is corresponding with the size of driven wheel (9) rotational angle.
The double air inlet box-type centrifugal fans for the backswept impeller that 4. a kind of air quantity according to claim 3 is big, pressure is high,
Be characterized in that: the size of follower lever (7) rotational angle is corresponding with the size of driven wheel (9) rotational angle, the turntable
(13) size of rotational angle is corresponding with the size of follower lever (7) rotational angle.
The double air inlet box-type centrifugal fans for the backswept impeller that 5. a kind of air quantity according to claim 4 is big, pressure is high,
Be characterized in that: the size of rotating cylinder (14) rotational angle is corresponding with the size of turntable (13) rotational angle, the flabellum
(15) size of rotational angle is corresponding with the size of rotating cylinder (14) rotational angle.
The double air inlet box-type centrifugal fans for the backswept impeller that 6. a kind of air quantity according to claim 1 is big, pressure is high,
Be characterized in that: two bellows (11) are cylindrical, and the top of two bellows (11) offers air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004050.3U CN209115374U (en) | 2018-12-01 | 2018-12-01 | A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004050.3U CN209115374U (en) | 2018-12-01 | 2018-12-01 | A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115374U true CN209115374U (en) | 2019-07-16 |
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ID=67207234
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822004050.3U Expired - Fee Related CN209115374U (en) | 2018-12-01 | 2018-12-01 | A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268019A (en) * | 2020-10-28 | 2021-01-26 | 李保艳 | Installation process of centrifugal fan |
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2018
- 2018-12-01 CN CN201822004050.3U patent/CN209115374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268019A (en) * | 2020-10-28 | 2021-01-26 | 李保艳 | Installation process of centrifugal fan |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20201201 |