CN208966658U - Blower - Google Patents

Abstract

The utility model discloses a kind of blowers, including for driving the driving motor of impeller；Driving motor includes columnar motor casing, the stator that motor casing inner wall is arranged in, the rotor being rotatably arranged in stator, is plugged in the motor shaft rotated together in rotor with rotor；The front-end and back-end of motor casing are equipped with the bearing for being used to support motor shaft；Motor shaft pass through bearing and relative axle forward it is dynamic；Driving motor is fixedly installed to mounting rack；Mounting rack includes the fixed frame for fixing driving motor and multiple linking arms for driving motor to be fixed to fixed frame；One end of linking arm is fixed to fixed frame；The other end of linking arm is fixed to motor casing；Impeller is fixedly attached to motor shaft；Impeller includes circular interconnecting piece and multiple blades；Blade one end is connected to interconnecting piece；Blade extends outwardly along the radial direction of wheel rotation axis；Motor casing radius is less than or equal to the radius of interconnecting piece.It is beneficial in that the ventilation effect of blower is good, and mounting structure is stablized.

Description

Blower

Technical field

The utility model relates to a kind of blowers.

Background technique

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 stream Body is mechanical.But traditional blower, under the premise of same mechanical energy consumption, drafting efficiency is lower.And traditional blower fan structure is stablized Property it is poor, in the long-term use, since the vibration of the rotation bring of impeller and driving motor leads to each part of blower Between mounting structure be easy to loosen or be damaged, need periodically to repair.

Utility model content

To solve the deficiencies in the prior art, the utility model provides the wind that a kind of ventilation effect is good and mounting structure is stable Machine.

In order to achieve the above objectives, the utility model adopts the following technical solutions:

A kind of blower, including for driving the driving motor of impeller；Driving motor include columnar motor casing, setting exist The stator of motor casing inner wall, is plugged in the motor shaft rotated together in rotor with rotor at the rotor being rotatably arranged in stator；Electricity The front-end and back-end of casing are equipped with the bearing for being used to support motor shaft；Motor shaft pass through bearing and relative axle forward it is dynamic；Driving electricity Machine is fixedly installed to mounting rack；Mounting rack includes fixed frame for fixing driving motor and for driving motor to be fixed to Multiple linking arms of fixed frame；One end of linking arm is fixed to fixed frame；The other end of linking arm is fixed to motor casing；Leaf Wheel is fixedly attached to motor shaft；Impeller includes circular interconnecting piece and multiple blades；Interconnecting piece is fixedly attached to motor shaft；Blade One end is connected to interconnecting piece；Blade extends outwardly along the radial direction of wheel rotation axis；Motor casing radius is less than or equal to connection The radius in portion.

Further, the ratio range of the radius of motor casing radius and interconnecting piece is to be less than or equal to 1 more than or equal to 0.5.

Further, the one end of the radius of interconnecting piece and blade far from pivot center to pivot center distance ratio model It encloses to be less than or equal to 0.25 more than or equal to 0.1.

Further, fixed frame is formed with ventilation hole；Ventilation hole is on the plane perpendicular to the central axis of motor shaft Be projected as circle；Central axis passes through the center of circle of ventilation hole.

Further, the one end of blade far from pivot center is less than or equal to the radius of ventilation hole to the distance of pivot center.

Further, projection of the fixed frame in the plane perpendicular to central axis is square；Ventilation hole and fixation It is tangent in frame.

Further, reinforcement arm is additionally provided on linking arm；Reinforcement arm have be fixed to fixed frame the first fixed part and It is fixed to the second fixed part of linking arm.

Further, reinforcement arm also has the third fixed part for being fixed to motor casing；Second fixed position is fixed in first Between portion and third fixed part.

Further, the number of linking arm is 4；The number of reinforcement arm is 2.

Further, fixed frame is equipped with mounting flange far from one end of impeller；Plane and fixed frame where mounting flange Frame is crossed to form angle perpendicular to the section inclination of motor shaft rotation center；The value range of angle be more than or equal to 3 ° be less than etc. In 10 °.

The utility model is beneficial in that the radius of the motor casing of the blower of offer is less than or equal to the radius of interconnecting piece, Blower be ensure that in rotation, the ventilation before and after blower is unaffected, improves the drafting efficiency of blower.

The utility model is beneficial in that the blower of offer is fixed driving motor using multiple linking arms, protects The stability of blower fan structure is demonstrate,proved.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of blower of the utility model；

Fig. 2 is the schematic diagram at another visual angle of the blower in Fig. 1；

Fig. 3 is the schematic diagram of the blower fixed frame in Fig. 1；

Fig. 4 is the schematic diagram of the motor casing of the fan driving motor in Fig. 1；

Blower 100, driving motor 10, motor casing 11, mounting rack 20, fixed frame 21, ventilation hole 211, linking arm 22 add Strong arm 23, the first fixed part 231, the second fixed part 232, third fixed part 233, impeller 30, interconnecting piece 31, blade 32, rotation Axis 33, mounting flange 40.

Specific embodiment

Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.

As shown in Figures 1 to 4, a kind of blower 100, including impeller 30 and driving motor 10, driving motor 10 is for driving Impeller 30.Driving motor 10 includes columnar motor casing 11, stator, rotor and motor shaft.

Specifically, the inner wall of motor casing 11 is arranged in stator, rotor is rotatably arranged in stator, motor shaft is plugged in and turns It is rotated together in sub and with rotor.The front-end and back-end of motor casing 11 are equipped with the bearing 12 for being used to support motor shaft.Motor shaft is worn It crosses bearing 12 and is rotated relative to bearing 12.

As a preferred embodiment, driving motor 10 is fixedly installed to mounting rack 20.Mounting rack 20 includes fixing Frame 21 and multiple linking arms 22.

Specifically, driving motor 10 is fixed to fixed frame 21 by multiple linking arms 22.As a kind of specific reality Mode is applied, one end of linking arm 22 is fixed to fixed frame 21.The other end of linking arm 22 is fixed to motor casing 11.Using multiple Linking arm 22 driving motor 10 is fixed the stability that can be improved 10 mounting structure of driving motor, to guarantee blower The stability of 100 structures.

As a preferred embodiment, impeller 30 is fixedly installed in motor shaft.Impeller 30 includes circular interconnecting piece 31 and multiple blades 32.Interconnecting piece 31 is fixedly attached to motor shaft.One end of blade 32 is fixedly attached to interconnecting piece 31.Blade 32 Radial direction along 30 pivot center 33 of impeller extends outwardly.11 radius of motor casing is less than or equal to the radius of interconnecting piece 31.

Specifically, the radius of motor casing 11 is set smaller than the radius equal to interconnecting piece 31, can guarantee in impeller When 30 rotation, the air flowing of 30 front and back of impeller is not influenced by blocking for motor casing 11, to guarantee the ventilation effect of blower 100 Rate.

As a preferred embodiment, the ratio range of the radius of 11 radius of motor casing and interconnecting piece 31 be greater than etc. It is less than or equal to 1 in 0.5.In the present embodiment, 11 radius of motor casing is 120mm, and the radius of interconnecting piece 31 is 175mm, motor casing The ratio of the radius of 11 radiuses and interconnecting piece 31 is about 0.685.

Specifically, in this ratio range, the size of motor casing 11 and being of moderate size for interconnecting piece 31 avoid electricity Casing 11 is too small or the stability that is excessive and influencing 100 structure of blower of interconnecting piece 31.

As a preferred embodiment, the one end of radius and blade 32 far from pivot center 33 of interconnecting piece 31 to turn The ratio range of the distance of shaft line 33 is to be less than or equal to 0.25 more than or equal to 0.1.In the present embodiment, the radius of interconnecting piece 31 For 175mm, the distance of the one end of blade 32 far from pivot center 33 to pivot center 33 is 1075mm, the radius of interconnecting piece 31 The ratio of distance of one end with blade 32 far from pivot center 33 to pivot center 33 is about 0.163.

Specifically, in this ratio range, the length of blade 32 and being of moderate size for interconnecting piece 31 ensure that connection The stability that the installation of portion 31 and driving blade 32 rotate.Meanwhile avoiding blade 32 is too short from causing blade 32 cannot be efficient when rotating Ventilating air influences drafting efficiency.

As a preferred embodiment, fixed frame 21 is formed with ventilation hole 211.Ventilation hole 211 is perpendicular to electricity Circle is projected as in the plane of the central axis of arbor.Central axis passes through the center of circle of ventilation hole 211.

As a kind of specific embodiment, the pivot center 33 of impeller 30, the shaft axis of interconnecting piece 31 and motor shaft Central axis is overlapped.

As a preferred embodiment, the distance of blade 32 one end far from pivot center 33 to pivot center 33 is small In the radius for being equal to ventilation hole 211.

Specifically, limiting the one end of blade 32 far from pivot center 33 to the distance of pivot center 33, blade 32 is avoided The too long radius for extremely exceeding ventilation hole 211 causes the air of 32 side of blade when blade 32 rotates by the screening of fixed frame 21 It keeps off and can not circulate, to influence drafting efficiency.

As a preferred embodiment, fixed frame 21 is projected as pros in the plane perpendicular to central axis Shape.Ventilation hole 211 with it is tangent in fixed frame 21.

Specifically, ventilation hole 211 with it is tangent in fixed frame 21 so that in the range of fixed frame 21 utmostly Realize ventilation.While guaranteeing ventilation quantity, the manufacture material of fixed frame 21 is saved, reduces manufacturing cost.

As a preferred embodiment, being additionally provided with reinforcement arm 23 on linking arm 22.Reinforcement arm 23, which has, to be fixed to The first fixed part 231 for determining frame 21 and the second fixed part 232 for being fixed to linking arm 22.

As a preferred embodiment, reinforcement arm 23 also has the third fixed part 233 for being fixed to motor casing 11.The Two fixed parts 232 are between the first fixed part 231 and third fixed part 233.

Specifically, 23 mating connection arm 22 of reinforcement arm is together fixed driving motor 10, drive is further improved The stability of the fixed structure of dynamic motor 10, that is, improve the structural stability of blower 100.

As a kind of specific embodiment, the number of linking arm 22 is 4, and the number of reinforcement arm 23 is 2.

As a preferred embodiment, linking arm 22 is fixed to the motor of driving motor 10 by two fixing screws On 11 side wall of shell, the line between the fixed point of two fixing screws is parallel with pivot center 33.The fixation of two fixing screws The ratio of the distance between the distance between point 11 front and back end of motor casing is to be less than or equal to 0.5 more than or equal to 0.2.

Specifically, the fixing intensity of the setting relationship driving motor 10 of the distance between fixed point of fixing screws, Gu It is too small to determine the distance between fixed point of screw, driving motor 10 is easy to produce shaking, and between the fixed point of fixing screws Excessive apart from being also not easy to be arranged, the distance between fixed point of fixing screws is directly related to linking arm 22 in 33 side of pivot center Upward width dimensions, the distance between fixed point is excessive, then linking arm 22 needs to match accordingly on 33 direction of pivot center Width, cause main screw lift excessive, and large-sized linking arm 22 can reduce drafting efficiency.In the present embodiment, consolidate for two Determining the distance between fixed point of screw is 110mm, and the distance between 11 front and back end of motor casing is 362mm.

As a preferred embodiment, the center of gravity of driving motor 10 is located between the fixed point of two fixing screws. Center of gravity is arranged between the fixed point of two fixing screws, the stability of support can be improved.Further, driving motor 10 Center of gravity be located on pivot center 33.

As an alternative embodiment, driving motor 10 and impeller 30 are considered as an entirety, the center of gravity of the two is located at Between the fixed point of two fixing screws, further, the center of gravity of the two is located on pivot center 33.

As a preferred embodiment, fixed frame 21 is equipped with mounting flange 40 far from one end of impeller 30.It is fixed 40 place plane of flange and fixed frame 21 are tilted perpendicular to the section of motor shaft rotation center is crossed to form angle.Angle Value range is to be less than or equal to 10 ° more than or equal to 3 °, and in the present embodiment, which is set as 5 °.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation Technical solution obtained, all falls in the protection scope of the utility model.

Claims (10)

1. a kind of blower, including for driving the driving motor of impeller, it is characterised in that: the driving motor includes columnar Motor casing, the rotor being rotatably arranged in the stator, is plugged in the rotor stator that the motor casing inner wall is arranged in The motor shaft rotated together with rotor；The front-end and back-end of the motor casing are equipped with the bearing for being used to support the motor shaft；Institute Motor shaft is stated to rotate across the bearing and relative to the bearing；The driving motor is fixedly installed to mounting rack；The installation Frame includes fixed frame for fixing the driving motor and for the driving motor to be fixed to the fixed frame Multiple linking arms；One end of the linking arm is fixed to the fixed frame；The other end of the linking arm is fixed to the electricity Casing；The impeller is fixedly attached to the motor shaft；The impeller includes circular interconnecting piece and multiple blades；The connection Portion is fixedly attached to the motor shaft；Described blade one end is connected to the interconnecting piece；The blade is along the wheel rotation axis The radial direction of line extends outwardly；The motor casing radius is less than or equal to the radius of the interconnecting piece.

2. blower according to claim 1, it is characterised in that:

The ratio range of the radius of the motor casing radius and the interconnecting piece is to be less than or equal to 1 more than or equal to 0.5.

3. blower according to claim 1, it is characterised in that:

The one end of the radius of the interconnecting piece and the blade far from the pivot center to the pivot center distance ratio Being worth range is to be less than or equal to 0.25 more than or equal to 0.1.

4. blower according to claim 1, it is characterised in that:

The fixed frame is formed with ventilation hole；The ventilation hole is in the plane of the central axis perpendicular to the motor shaft It is projected as circle；The central axis passes through the center of circle of the ventilation hole.

5. blower according to claim 4, it is characterised in that:

The one end of the blade far from pivot center is less than or equal to the radius of the ventilation hole to the distance of pivot center.

6. blower according to claim 4, it is characterised in that:

Projection of the fixed frame on the plane perpendicular to the central axis is square；The ventilation hole with it is described solid Determine tangent in frame.

7. blower according to claim 1, it is characterised in that:

Reinforcement arm is additionally provided on the linking arm；The reinforcement arm is with the first fixed part for being fixed to the fixed frame and admittedly Fixed the second fixed part to the linking arm.

8. blower according to claim 7, it is characterised in that:

The reinforcement arm also has the third fixed part for being fixed to the motor casing；Second fixed position is solid in described first Determine between portion and the third fixed part.

9. blower according to claim 8, it is characterised in that:

The number of the linking arm is 4；The number of the reinforcement arm is 2.

10. blower according to claim 1, it is characterised in that:

The fixed frame is equipped with mounting flange far from one end of the impeller；Plane and the fixation where the mounting flange Frame is crossed to form angle perpendicular to the section inclination of the motor shaft rotation center；The value range of the angle be greater than etc. It is less than or equal to 10 ° in 3 °.