CN210484158U - Direction-variable and stepless-variable intelligent fan - Google Patents

Abstract

The utility model relates to the technical field of fans, in particular to a direction-changeable and stepless variable intelligent fan, which solves the defects of manual cleaning, incapability of changing blade angles and high cost in the prior art, and comprises a fan shell, a first bearing, a rear cover, a guide shaft, a gear shaft, a third bearing, a fourth bearing, a positioning steel ball and a locking screw, wherein the fan shell is connected with the rear cover through a bolt, and the fan shell and the rear cover are oppositely arranged to form a cavity, one side of the rear cover is welded with an inner ring retainer, after the power source receives a driving instruction, the driving nut drives the shifting fork to rotate through the actions of the first driving gear, the second driving gear, the first driven gear, the second driven gear, the driving screw and other mechanisms, therefore, the fan can change the angle to control the air quantity or realize reverse blowing, the function of dust removal of the fan is realized, and meanwhile, the angle of the blades can be changed to achieve the effect of energy conservation.

Description

Direction-variable and stepless-variable intelligent fan

Technical Field

The utility model relates to a fan technical field especially relates to a smart fan of diversion and infinitely variable.

Background

There are many forms of water tank radiator fans on the vehicle of the market at present, the traditional fan blade is mainly fixed angle blade, they can't change the angle of their own wind while working, therefore they can only dispel the heat to the engine radiator tank with the invariable wind speed under the situation of the ordinary fan belt pulley rotational speed, can't change the air quantity when the external environment temperature changes and cause the engine to lose the surplus energy (the size of the air quantity is directly proportional to power consumption of the fan), have increased the cost; on the other hand, the fixed blade fan cannot realize reverse blowing, and the water tank radiator can only be stopped and cleaned in a manual mode when dust and sundries are covered on the surface of the water tank radiator; and the vehicle needs to carry out temperature control to the cabin and the driver's cabin, needs to adjust the wind direction and bloies and induced draft conversion regulation to the cabin and the driver's cabin.

In order to solve the problems, variable speed fans using silicone oil clutch and electromagnetic clutch are available in the market at present, and stepless or step variable speed is realized. However, these techniques cannot achieve a wind direction change and have no cleaning function. The variable-wing dust removal fan in the current market mainly has a hydraulic action mode and a mechanical action mode, can realize the cleaning and dust removal functions in function, but cannot change the angle of a blade according to the external environment temperature to realize stepless air volume regulation so as to achieve the energy-saving effect; in addition, the hydraulic mode requires a vehicle to be provided with a hydraulic system, and control mechanisms such as control valves are added, so that the application range of the technology is limited. The mechanical operation mode needs external force, the arrangement and operation of the whole vehicle are difficult, and the development of the technology is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of manual cleaning, incapability of changing the angle of the blade and high cost in the prior art, and providing the intelligent fan with variable direction and stepless variable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a direction-variable and stepless-variable intelligent fan comprises a fan shell, a first bearing, a rear cover, a guide shaft, a gear shaft, a third bearing, a fourth bearing, a positioning steel ball and a locking screw, wherein the fan shell is connected with the rear cover through a bolt, the fan shell and the rear cover are oppositely arranged to form a cavity, a motor fixing seat is fixed in the fan shell through the third bearing, the guide shaft is fixedly arranged in the cavity, a power source is installed on one side of the motor fixing seat through a screw, a rotating shaft is arranged in the power source, a first driving gear is sleeved on the outer side of the rotating shaft, the gear shaft is rotatably installed in the cavity, a first driven gear and a second driving gear are respectively sleeved on the outer side of the gear shaft, the first driven gear is meshed with the first driving gear, and the second driving gear is meshed with a second driven gear, one side of the second driven gear is provided with a driving screw rod of an integrated structure, the driving screw rod is rotatably installed in the cavity, a driving nut is assembled outside the driving screw rod, the driving nut is connected with a driving disc through a first bearing, a shifting fork is installed on one side of the driving disc, the other end of the shifting fork is connected with a blade rotating shaft through a positioning steel ball and a locking screw, the other end of the blade rotating shaft is connected with a blade, and the blade rotating shaft is annularly distributed on the outer side of the fan shell.

Preferably, an inner cavity of the inner ring retainer installed in the rear cover is fixed with a rear cover fixing disc through a fourth bearing, a second bearing is installed on one side of the rear cover fixing disc, and one end of the driving screw rod is sleeved in the second bearing.

Preferably, the motor fixing seat and the rear cover fixing disk are internally distributed with a first rotating hole and a second rotating hole, and two ends of the gear shaft are respectively embedded into the first rotating hole and the second rotating hole.

Preferably, a second bearing is installed on one side of the rear cover fixing disc, and one end of the driving screw rod is sleeved inside the second bearing.

Preferably, the outer side of the fan shell is provided with through holes distributed annularly, and the blade rotating shaft is arranged in the through holes.

Preferably, a circular hole is formed in the driving nut, and the gear shaft penetrates through the inside of the circular hole.

Preferably, the power source is one of a common motor, a stepping motor, a servo motor, a hydraulic motor or a pneumatic motor.

Preferably, the second driven gear and the driving screw have an inner hole formed therein, and the rotating shaft extends to the inner part of the inner hole.

Preferably, the structure of the first driving gear, the second driving gear, the first driven gear and the second driven gear may be replaced by one of a worm gear, a screw transmission or a planetary gear transmission.

Preferably, first magnet steel and second magnet steel are installed respectively to drive nut's both sides, first proximity switch and second proximity switch are installed respectively to one side of motor fixing base and one side of back lid fixed disk, are electric connection between first magnet steel and the first proximity switch, are electric connection between second magnet steel and the second proximity switch.

The utility model has the advantages that:

1. the utility model discloses in through the power supply, first driving gear, the second driving gear, first driven gear, the second driven gear, driving screw, drive nut, the driving-disc, the shift fork, the blade, the guiding axle, the setting of gear shaft isotructure, the power supply receives behind the drive instruction, through first driving gear, the second driving gear, first driven gear, second driven gear and driving screw, mechanism actions such as drive nut, it rotates to make the driving-disc drive the shift fork, thereby make the fan change the angle control amount of wind or realize the reverse blow, the function that the fan removed dust has been realized, can change the blade angle simultaneously and reach energy-conserving effect.

2. The power of the adjusting device in the utility model can adopt various modes such as electric, hydraulic and pneumatic, and can be properly selected according to the vehicle structure, thus greatly enlarging the application range; the propelling structure in the adjusting device adopts a driving screw rod and driving nut mode to change the rotating motion direction into a linear motion direction, so that the structure is more compact, the high cost of a hydraulic structure and the risk of hydraulic leakage are avoided, and the defect that the mechanical structure needs external force to be arranged and is too bulky is also avoided.

3. The utility model discloses well fan body structure divide into stator part and rotor part, has solved the difficult point of being connected of motion part and static part when outside kinetic energy input, has alleviateed the inertia of motion part, has reduced the intensity requirement of fan seat.

4. The utility model discloses in can also increase force amplifier between power and propulsion structure, through configuration gear drive, reduce the transmission velocity ratio and reach the increase and turn round purpose, need when being fit for bigger fan and need overcome bigger axial force.

Drawings

Fig. 1 is a schematic structural diagram of a smart fan with variable direction and stepless variable provided by the present invention;

fig. 2 is a flow chart of the work of the smart fan with variable direction and stepless variable provided by the present invention;

fig. 3 is a schematic structural view of the second driven gear, the driving screw, the driving nut and the driving disc provided by the present invention;

FIG. 4 is a cross-sectional view of the fork and the blade shaft of the present invention;

FIG. 5 is a top view of the fork and the blade shaft according to the present invention;

fig. 6 is a side view of the connection between the shifting fork and the blade rotating shaft of the present invention.

In the figure: the device comprises a shell 1, a first driven gear 2, a first driving gear 3, a power source 4, a motor fixing seat 5, a first bearing 6, a shifting fork 7, blades 8, a rear cover 9, a driving disc 10, a guide shaft 11, a driving nut 12, a rear cover fixing disc 13, a second bearing 14, a second driven gear 15, a driving screw 151, a gear shaft 16, a second driving gear 17, a first proximity switch 18, a first magnetic steel 19, a second proximity switch 20, a second magnetic steel 21, a third bearing 22, a fourth bearing 23, a blade rotating shaft 24, a positioning steel ball 25, a locking screw 26 and an inner ring retainer 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a direction-changeable and stepless variable intelligent fan comprises a fan housing 1, a first bearing 6, a rear cover 9, a guide shaft 11, a gear shaft 16, a third bearing 22, a fourth bearing 23, a positioning steel ball 25 and a locking screw 26, wherein the fan housing 1 is connected with the rear cover 9 through a bolt, the fan housing 1 and the rear cover 9 are oppositely arranged to form a cavity, a motor fixing seat 5 is fixed in the fan housing 1 through the third bearing 22, the guide shaft 11 is fixedly arranged in the cavity, a power source 4 is installed on one side of the motor fixing seat 5 through a screw, a rotating shaft is arranged in the power source 4, a first driving gear 3 is sleeved on the outer side of the rotating shaft, the gear shaft 16 is rotatably installed in the cavity, a first driven gear 2 and a second driving gear 17 are respectively sleeved on the outer side of the gear shaft 16, the first driven gear 2 is in meshed connection with the first driving gear 3, a second driven gear 15 is engaged with the second driving gear 17, a driving screw 151 of an integrated structure is arranged on one side of the second driven gear 15, the driving screw 151 is rotatably installed inside the cavity, a driving nut 12 is assembled outside the driving screw 151, the driving nut 12 is connected with a driving disc 10 through a first bearing 6, a shifting fork 7 is installed on one side of the driving disc 10, the other end of the shifting fork 7 is connected with a blade rotating shaft 24 through a positioning steel ball 25 and a locking screw 26, a blade 8 is fixed on the other end of the blade rotating shaft 24 through a nut bolt, the blade rotating shaft 24 is annularly distributed on the outer side of the fan shell 1, and through the arrangement of structures such as a power source 4, a first driving gear 3, a second driving gear 17, a first driven gear 2, a second driven gear 15, the driving screw 151, the shifting fork 7, the blade 8, the driving nut 12, the driving disc 10, after the power source 4 receives a driving instruction, the driving nut 12 drives the shifting fork 7 to rotate through the actions of the first driving gear 3, the second driving gear 17, the first driven gear 2, the second driven gear 15, the driving screw 151 and other mechanisms, so that the fan changes the angle to control the air volume or realizes reverse blowing, the dust removal function of the fan is realized, meanwhile, the angle of the blade 8 can be changed to achieve the effect of energy conservation, the power of the adjusting device can adopt various modes such as electric, hydraulic and pneumatic, proper selection can be carried out according to the structure of the vehicle, and the application range is greatly expanded; the propulsion structure in the adjusting device adopts the mode of driving the screw rod 151 and the driving nut 12 to change the spiral motion direction into the linear motion direction, so that the structure is more compact, the high cost and the hydraulic leakage risk of a hydraulic structure are avoided, the defect that the mechanical structure needs to be overstaffed due to external force is also avoided, the fan body structure is divided into a stator part and a rotor part, the difficulty in connecting the moving part and the stationary part when external kinetic energy is input is solved, the rotational inertia of the moving part is reduced, the strength requirement of a fan seat is reduced, a force-increasing mechanism can be added between the power and the propulsion structure, the purpose of increasing torque is achieved by reducing the transmission speed ratio through the configuration of gear transmission, the fan is suitable for overcoming the requirement of a larger fan when larger axial force needs to be overcome, a rear cover fixing disc 13 is fixed on one side of the inner wall of a rear cover 9 through a fourth bearing 23, and a second, one end of the driving screw 151 is sleeved inside the second bearing 14, a first rotating hole and a second rotating hole are distributed inside the motor fixing seat 5 and the rear cover fixing disc 13, two ends of the gear shaft 16 are respectively embedded inside the first rotating hole and the second rotating hole, the second bearing 14 is installed on one side of the rear cover fixing disc 13, one end of the driving screw 151 is sleeved inside the second bearing 14, through holes distributed annularly are formed in the outer side of the fan shell 1, and the blade rotating shaft 24 is installed inside the through holes;

the power source 4 is one of a common motor, a stepping motor, a servo motor, a hydraulic motor or a pneumatic motor, inner holes are jointly formed in the second driven gear 15 and the driving screw 151, the rotating shaft extends to the inner part of the inner hole, the structures of the first driving gear 3, the second driving gear 17, the first driven gear 2 and the second driven gear 15 can be replaced by one of a worm wheel, a worm transmission or a planetary gear transmission, first magnetic steel 19 and second magnetic steel 21 are respectively installed on two sides of the driving nut 12, a first proximity switch 18 and a second proximity switch 20 are respectively installed on one side of the motor fixing seat 5 and one side of the rear cover fixing disk 13, the first magnetic steel 19 is electrically connected with the first proximity switch 18, and the second magnetic steel 21 is electrically connected with the second proximity switch 20.

In this embodiment, the power source 4 is installed on the motor fixing seat 5, the power source 4 may be a motor, a hydraulic motor, or a pneumatic motor, and any power device in a rotational motion direction may be adopted, the power source 4 is electrically connected to the PLC control host, and the PLC control host is further electrically connected to a temperature sensor, when the temperature changes, the temperature sensor may transmit a signal to the PLC control host, so that the PLC control host adjusts and controls the rotation angle of the power source 4, (both the PLC control host and the temperature sensor belong to the prior art, and are not shown in the figure), when the power source 4 receives a driver instruction, the rotating shaft starts to rotate, so as to drive the first driving gear 3 to rotate, thereby driving the first driven gear 2 and the gear shaft 16 to rotate simultaneously, and the gear shaft 16 drives the second driving gear 17 to rotate, so as to drive the second driven gear 15 and the driving, the driving screw 151 rotates, the driving nut 12 is connected with the driving disc 10 through the first bearing 6, the driving nut 12 drives the driving disc 10 to move axially along the driving screw 151, so that the shifting fork 7 is driven to rotate around the axis of the blade 8, the angle of the fan is changed to control the air discharge amount or realize reverse blowing, a signal is sent out to determine the front angle position of the fan when the first proximity switch 18 is close to the first magnetic steel 19, a signal is sent out to determine the rear angle position of the fan blade when the second proximity switch 20 is close to the second magnetic steel 21, the dust removal purpose is achieved, and the angle of the blade 8 can be changed according to the external temperature to realize the;

furthermore, the novel vehicle intelligent control fan with two functions can not only meet the requirements of cleaning and dust removal and temperature regulation of a cabin, but also achieve the purposes of saving energy and reducing consumption by stepless regulation of air quantity, and through a reasonable mechanical structure, the torsional angle of the blade wing of the fan can work at any angle, so that the forward and reverse conversion of the wind direction is realized, and dust or grass scraps accumulated on a radiator can be cleaned; temperature regulation is carried out on some vehicle cabins and driving buildings close to the cabins, for example, the cabin and the driving buildings are heated up rapidly when working in winter; the torsion angle of the blade wing is timely and continuously adjusted under the action of the controller according to the external temperature induction, and the air quantity is continuously adjusted; because the air volume and the power consumption of the fan are in a direct proportional relation, the purposes of energy saving and consumption reduction can be achieved, the rotating angle of the power source 4 is calculated and given by the controller according to an external sensing signal, the driving screw 151 and the driving nut 12 form a power vector conversion unit, the rotating motion vector of the power unit is converted into a linear motion vector, and the linear motion vector is transmitted to the shifting fork 7 through the driving disc 10; the stroke and the direction of the motion vector are determined by the rotation angle of the power unit, the shifting fork 7 and the blade 8 form an execution unit, the linear motion vector transmitted by the power vector conversion unit is converted into a rotary motion vector again, so that the blade 8 forms different torsion angles to adjust the air quantity and form the conversion of air blowing and sucking, the first driven gear 2, the first driving gear 3, the second driven gear 15 and the second driving gear 17 form a boosting unit, a gear speed ratio is designed to establish a speed reduction mechanism, and the purpose of torque increasing is achieved by speed reduction; on the premise that a power unit and other related components are shaped, if the air volume needs to be increased and the diameter of a fan is increased or the width of blades generates larger axial thrust, the force increasing unit can well overcome the larger axial thrust, the force increasing unit does not influence the overall structure of the scheme, adaptive increasing and decreasing configuration is only carried out according to the size of the fan, flexibility and convenience are realized, the process is simple, the cost is low, and a power source 4, a motor fixing seat 5, a power vector conversion unit (a driving screw 151 and a driving nut 12), a force increasing mechanism (a first driven gear 2, a first driving gear 3, a second driven gear 15 and a second driving gear 17), a guide shaft 11 and a rear cover fixing disc 13 form a stator component; the fan comprises a fan shell 1, a rear cover 9, blades 8, a shifting fork 7 and a driving disc 10, wherein a rotor part is formed by the fan shell 1, the rear cover 9, the blades 8, the shifting fork 7 and the driving disc 10; but also greatly reduces the inertia of the rotor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A direction-variable and stepless-variable intelligent fan comprises a fan shell (1), a first bearing (6), a rear cover (9), a guide shaft (11), a gear shaft (16), a third bearing (22), a fourth bearing (23), a positioning steel ball (25) and a locking screw (26), and is characterized in that the fan shell (1) is connected with the rear cover (9) through a bolt, the fan shell (1) and the rear cover (9) are oppositely arranged to form a cavity, a motor fixing seat (5) is fixed in the fan shell (1) through the third bearing (22), the guide shaft (11) is fixedly arranged in the cavity, a power source (4) is installed on one side of the motor fixing seat (5) through a screw, a rotating shaft is arranged in the power source (4), and a first driving gear (3) is sleeved on the outer side of the rotating shaft, the gear shaft (16) is rotatably arranged in the cavity, a first driven gear (2) and a second driving gear (17) are respectively sleeved outside the gear shaft (16), the first driven gear (2) is meshed with the first driving gear (3), the second driving gear (17) is meshed with the second driven gear (15), a driving screw (151) of an integrated structure is arranged on one side of the second driven gear (15), the driving screw (151) is rotatably arranged in the cavity, a driving nut (12) is assembled outside the driving screw (151), the driving nut (12) is connected with a driving disc (10) through a first bearing (6), a shifting fork (7) is arranged on one side of the driving disc (10), and the other end of the shifting fork (7) is connected with a blade rotating shaft (24) through a positioning steel ball (25) and a locking screw (26), the other end of the blade rotating shaft (24) is fixedly connected with a blade (8), and the blade rotating shaft (24) is annularly distributed on the outer side of the fan shell (1).

2. The smart fan with variable direction and variable quantity according to claim 1, wherein an inner ring retainer (27) is installed at one inner side of the rear cover (9), a rear cover fixing disc (13) is fixed in an inner cavity of the inner ring retainer (27) through a fourth bearing (23), a second bearing (14) is installed at one side of the rear cover fixing disc (13), and one end of the driving screw (151) is sleeved inside the second bearing (14).

3. The smart fan with variable direction and variable quantity according to claim 1, wherein the motor fixing base (5) and the rear cover fixing plate (13) are provided with a first rotating hole and a second rotating hole, and two ends of the gear shaft (16) are respectively embedded into the first rotating hole and the second rotating hole.

4. A direction-changeable and stepless-changeable intelligent fan according to claim 2, wherein a second bearing (14) is installed on one side of the rear cover fixing disc (13), and one end of the driving screw rod (151) is sleeved inside the second bearing (14).

5. A direction-changeable and stepless-changeable intelligent fan according to claim 1, wherein the fan housing (1) is provided with through holes distributed annularly on the outer side, and the blade rotating shaft (24) is installed inside the through holes.

6. A smart fan as claimed in claim 1, wherein the drive nut (12) has a circular hole formed therein, and the gear shaft (16) passes through the circular hole.

7. A smart fan with direction and stepless variable according to claim 1, characterized in that the power source (4) is one of a common motor, a stepping motor, a servo motor, a hydraulic motor or a pneumatic motor.

8. A direction-changeable and stepless variable intelligent fan according to claim 1, wherein the second driven gear (15) and the driving screw (151) have an inner hole opened on their inner portions, and the rotating shaft extends to the inner portion of the inner hole.

9. A smart fan with direction and stepless variable according to claim 1, wherein the structure of the first driving gear (3), the second driving gear (17), the first driven gear (2) and the second driven gear (15) can be replaced by one of worm gear, screw drive or planetary gear drive.

10. The smart fan with variable direction and variable quantity according to claim 1, wherein a first magnetic steel (19) and a second magnetic steel (21) are respectively installed on two sides of the driving nut (12), a first proximity switch (18) and a second proximity switch (20) are respectively installed on one side of the motor fixing seat (5) and one side of the rear cover fixing disk (13), the first magnetic steel (19) is electrically connected with the first proximity switch (18), and the second magnetic steel (21) is electrically connected with the second proximity switch (20).

Images