CN106593944A - A retractable invisible blade fan wheel and fan - Google Patents

Abstract

The invention discloses a telescopic invisible fan blade wind wheel and a fan, which comprise: telescopic fan blades arranged on the hub; the telescopic fan blades are composed of a plurality of sections of tube bodies and can be formed into plates, the self gravity or the counter weight force of the plurality of sections of telescopic fan blades is utilized to make centrifugal force extend out of the plurality of sections of fan blades, a curling spring or a curling tension spring, a linear tension spring and a tension rubber band are used for automatically curling the plurality of sections of telescopic fan blades, or an inertia rotating force of a wind wheel is utilized to wind a pull rope to automatically contract the plurality of sections of telescopic fan blades, or an electric unit is utilized to roll the pull rope to contract the plurality of sections of telescopic fan blades, or a nut driven by the electric unit is utilized to push a screw rod to contract or push out the plurality of sections of telescopic fan blades, then the multi.

Description

A retractable invisible blade fan wheel and fan

【Technical field】

The invention relates to a wind wheel, and is aimed at an electric fan wind wheel and an aircraft wind wheel, especially a ceiling fan and a seat fan.

【Background technique】

With the upgrading of air conditioners and the reduction of electricity prices, enjoying air-conditioned life will become cheaper and cheaper. Electric fans may not be considered for high-end decoration, but air circulation is also indispensable for top-level decoration, so electric fans are still needed, but fans When considering the choice between high-end decoration and high-end decoration, the probability of being discarded is quite high. Fortunately, there is a need for lighting to retain the electric fan and become a companion. However, top-level villa decoration also has air dust, just like bungalows and factories. Long-term movement The fan blades will be covered with a thick layer of black ash, even if it is a bungalow or factory, it is also unsightly and unwelcome.

【Content of invention】

The purpose of the invention is to realize the automatic invisible and automatic cleaning of the fan blades, and improve the living space of the electric fan in the air-conditioning era.

The present invention utilizes the self-gravity or counterweight force of the multi-section telescopic fan blades to create centrifugal force to extend the multi-section fan blades and automatically curls the multi-section telescopic fan blades with a curling spring or a retractable extension spring, a linear extension spring, and a tension rubber band, or Use the inertial rotation force of the wind wheel to wind the cable to automatically shrink the multi-section telescopic fan blade, or use the motor unit to roll the cable to shrink the multi-section telescopic fan blade, or use the motor unit to drive the nut to push the screw to shrink or push out the multi-section telescopic fan blade , or use the piston cylinder air pressure to hydraulically shrink or push out the multi-section telescopic fan blades to complete the automatic cleaning and hiding of the fan blades.

The present invention adopts following technical scheme:

A telescopic invisible fan blade wind wheel, which includes: a hub, a telescopic fan blade, and a shrinking device; the telescopic fan blades are annularly arrayed on the hub; the telescopic fan blades are coaxially slidable and telescopic It is composed of socket joints, or it is composed of multi-section plate buckle sliding telescopic connections, and it is set along the radial direction of the hub with the expansion and contraction direction, or it is set with the expansion and contraction direction parallel to the radial direction of the hub, or it is approximately parallel to the radial direction of the hub with the expansion and contraction direction It is fixed on the hub with the beginning section or the end section and moves and expands around the circumference of the hub in an annular array; it uses its own gravity to make the centrifugal force stretch out or connects the counterweight at the telescopic end section to make the centrifugal force stretch out; the shrinking device One end is fixedly connected to the hub or the start section of the telescopic fan blade, and the other end is connected to the end section of the telescopic fan blade for flexible expansion and contraction.

In the above-mentioned design scheme of the telescopic invisible blade fan wheel, the multi-section sleeves of the telescopic blade are circular straight pipes or flat straight pipes, square straight pipes, prismatic straight pipes, oval straight pipes, etc. pipe, arc-shaped straight pipe, and set limit stop buckles at both ends of the nozzle; or the multi-section casing is a circular tapered pipe, a flat tapered pipe, a square tapered pipe, a prismatic tapered pipe, an ellipse Shaped tapered tube, arc-shaped tapered tube.

In the above-mentioned design scheme of the telescopic invisible fan blade, the multi-section plate of the telescopic fan blade is a flat plate or a curved plate, a bent plate, or a corner plate, and it is equipped with snap slides on both sides to expand and contract. And limit snap hasps are set at both ends.

In the above-mentioned design scheme of the telescopic invisible fan blade, the telescopic direction of the telescopic fan blade is approximately parallel to the radial direction of the hub and the angle between the central axis of the hub is less than 90 degrees and slightly inclined, so that the wind rotor stops In the state, rely on the self-gravity of the fan blade to automatically slide and shrink.

In the above-mentioned design scheme of a retractable invisible blade fan wheel, the retraction device is a linear extension spring or a retraction extension spring, a retraction spring, and a tension rubber band; the retraction extension spring is a A kind of extension spring rolls and expands in the spiral slideway.

In the above-mentioned design scheme of a telescopic invisible fan blade wind wheel, the retracting device is a cable, which rolls and contracts the fan blade; Connect the sliding sleeve; the sliding sleeve is set on the central axis of the hub and a clutch is arranged on the sliding sleeve. The clutch is to control the clutch relationship between the hub and the stator or the rotor and the stator, that is, the sliding sleeve is combined with the hub or the rotor when the power is turned on. When the power is turned off, the sliding sleeve combined with the stator does not rotate. After the power is turned off, the inertial rotation force of the rotor and hub is used to wind up the cable and shrink the fan blade.

In the above-mentioned design scheme of a telescopic invisible fan blade wind wheel, the retracting device is a cable, which rolls and contracts the fan blade; Connect the motor reel; at least one of the motors is coaxial with the central axis of the hub and connected with a time-delayed power-off device.

In the above-mentioned design scheme of the telescopic invisible fan blade, the retracting device is a piston cylinder, which is connected to a pressure pump to drive the telescopic fan blade to expand and contract by air pressure or hydraulic pressure, and one end of it is fixedly connected to the beginning node of the telescopic fan blade. Or the hub, connect the end joints of the telescopic fan blades with the other end to flexibly expand and contract.

In the above-mentioned design scheme of a retractable invisible blade fan wheel, the retracting device is a screw assembly that drives the blade to expand and contract; the screw assembly includes: a screw, a nut, and a power unit; the power unit drives The nut is positioned and rotated at one end of each segment of the telescopic fan blade; the screw rod is provided with a linear chute or sliding surface along the axial direction and slides linearly through the nut of each segment of the telescopic fan blade to push the fan blade to telescopically move.

A telescopic invisible blade fan, which includes: a set of telescopic invisible blade wind wheel, a power unit and a frame according to claims 1 to 9; the telescopic invisible blade wind wheel is connected to the shaft or rotor of the power unit ; The power unit is fixed on the frame, or the power unit is connected to the frame with a stator.

The working principle of the present invention is: Utilize the self-gravity or counterweight force of multi-section telescopic fan blades to create centrifugal force to stretch out multi-section fan blades and automatically shrink multi-sections with curling springs or curling extension springs, linear extension springs, and tension rubber bands Telescopic fan blades, or use the inertial rotation force of the wind wheel to wind the cable to automatically shrink the multi-section telescopic fan blades, or use the motor unit to roll the cable to shrink the multi-section telescopic fan blades, or use the motor unit to drive the nut to push the screw to shrink or push out Multi-section telescopic fan blades, or use piston cylinder air pressure to hydraulically shrink or push out multi-section telescopic fan blades to complete the automatic cleaning and hiding of fan blades.

The invention has the beneficial effects of realizing the automatic invisible and automatic cleaning of the fan blades, and improving the living space of the electric fan in the air-conditioning era.

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

【Description of drawings】

Fig. 1 is a three-dimensional appearance structure diagram of a ceiling fan with telescopic fan blades in an extended state;

Fig. 2 is a lateral structural view of the telescopic fan blade of the ceiling fan in the extended state, illustrating claim 4 that the angle between the telescopic direction of the fan blade and the central axis of the hub is less than 90 degrees and slightly inclined;

Fig. 3 is a three-dimensional cut-away structure diagram of the telescopic fan blade of a ceiling fan after contraction;

Fig. 4 is a three-dimensional view showing that the telescopic fan blade is fixed on the hub with a starting end section and protrudes;

Fig. 5 is a top view of the contracted state where the telescopic fan blade is fixed on the circumference of the bottom hub;

Fig. 6 is a perspective view of a contracted state in which the telescopic fan blade is fixed on the circumference of both hubs;

Fig. 7 is a three-dimensional view of the top hub;

Fig. 8 is a three-dimensional view of the bottom hub;

Fig. 9 is a perspective view of the contracted state of the telescopic fan blade;

Fig. 10 is a diagram showing the front side of the telescopic fan blade with the retraction device being a linear tension spring;

Fig. 11 is a side view of the extended state of the telescopic fan blade;

Figure 12 is an enlarged view of point A in Figure 11, focusing on the position-limiting locking buckles provided at both ends of the fan blade of the bushing in claim 2, or the two ends of the fan blade or the two ends of the buckle slideway in claim 3 Schematic diagram of the limit locking buckle;

Fig. 13 is a schematic diagram showing the state in which the front side of the telescopic fan blade is extended;

Fig. 14 is a schematic diagram of the state in which the front side of the telescopic fan blade is extended;

Fig. 15 is an axial front view of multi-section flat straight tube telescopic fan blade;

Fig. 16 is a perspective view of the extended state of multi-section flat straight pipe telescopic fan blades;

Fig. 17 is a cross-sectional view of a single-section curved panel telescopic fan blade, which is provided with buckle slides on both sides;

Fig. 18 is a perspective view of a telescopic fan blade of a single-section planar plate, which is provided with buckle slideways on both sides.

【detailed description】

As shown in Figures 4, 5, and 6, a telescopic invisible fan blade wind wheel includes: a hub 0, a telescopic fan blade 2, and a shrinking device 8; the telescopic fan blades 2 are in an annular array on the hub 0; The telescopic fan blade 2 is composed of multi-section large and small casing coaxial sliding telescopic sockets, or is composed of multi-section plate buckle sliding telescopic connections, and it is arranged radially along the hub 0 with the telescopic direction, or it is parallel with the telescopic direction It is arranged radially on the hub 0, or it is installed approximately parallel to the radial direction of the hub 0 with the expansion and contraction direction. It is fixed on the hub 0 by the start section or the end section and moves and expands around the hub 0 in a circular array; it uses its own gravity to create centrifugal force Stretch out or connect the counterweight at the telescopic end section to cause the centrifugal force to protrude; one end of the shrinking device 8 is fixedly connected to the hub 0 or fixedly connected to the beginning section of the telescopic fan blade 2, and the other end is connected to the end section of the telescopic fan blade 2 for flexible expansion and contraction. .

As shown in Figures 10, 11, 13, 14, 15, and 16, the multi-section casings of the telescopic fan blade 2 are circular straight pipes or flat straight pipes, square straight pipes, prismatic straight pipes, oval straight pipes, etc. pipe, arc-shaped straight pipe, and set limit stop buckles at both ends of the nozzle; or the multi-section casing is a circular tapered pipe, a flat tapered pipe, a square tapered pipe, a prismatic tapered pipe, an ellipse Shaped tapered tube, arc-shaped tapered tube.

As shown in Figures 17 and 18, the multi-section plate of the telescopic fan blade 2 is a flat plate or a curved plate, a bent plate, or an angled plate. It is provided with buckle slides on both sides for expansion and contraction, and limit cards are provided at both ends. Stop the buckle.

As shown in Figure 2, the expansion and contraction direction of the telescopic fan blade 2 is approximately parallel to the radial direction of the hub 0 and the angle between the central axis of the hub 0 is less than 90 degrees, slightly inclined, so that the wind wheel automatically relies on the self-gravity of the fan blade when it is stopped. Slope contraction.

As shown in Figures 10, 11, 12, 13, and 14, the retraction device 8 is a linear extension spring 80 or a curling extension spring 88, a curling mainspring 86, and a tension rubber band 81; 88 is a kind of extension spring rolling telescopic in the spiral slideway.

The shrinking device 8 is a cable, which rolls and shrinks the fan blade; one end of the cable is connected to the end joint of the telescopic fan blade 2 for flexible expansion, and the other end is connected to a sliding sleeve; the sliding sleeve is sleeved on the central axis of the hub 0 and set a clutch on the sliding sleeve, the clutch is to control the clutch relationship between the hub O and the stator or the rotor and the stator, that is, the sliding sleeve is combined with the hub or the rotor to rotate when the power is turned on, and the sliding sleeve is combined with the stator to not rotate when the power is off. After the power is cut off, the inertial rotation force of the rotor and hub 0 winds the cable and shrinks the fan blade.

The shrinking device 8 is a cable, which rolls and shrinks the fan blade; one end of the cable is connected to the end of the telescopic fan blade 2 for flexible expansion and contraction, and the other end is connected to the motor reel; at least one of the motors is coaxial with the hub 0 The central shaft is connected with a time-delayed power-off device.

The shrinking device 8 is a piston cylinder, which is connected to a pressure pump to drive the telescopic fan blade 2 to expand and contract with air pressure or hydraulic pressure. One end of it is fixedly connected to the beginning node or hub 0 of the telescopic fan blade 2, and the other end is connected to the end of the telescopic fan blade 2. Festival activities expand and contract.

The shrinking device 8 is a screw assembly that drives the fan blades to expand and contract; the screw assembly includes: a screw, a nut, and a power unit; the drive nut of the power unit is positioned and rotated at one end of each telescopic fan blade 2; the described The screw rod is provided with a linear chute or a sliding surface along the axial direction, and slides in a straight line to pass through the nuts of each telescopic fan blade 2 in turn to push the fan blade to telescopically move.

As shown in Figures 1, 2, and 3, a telescopic invisible fan includes: a set of telescopic invisible fan wheels, a power unit and a frame according to claims 1 to 9; the telescopic invisible fan The blade wind wheel is connected to the rotating shaft or the rotor of the power unit; the power unit is fixed on the frame, or the power unit is connected to the frame by a stator.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and the above technology can also be used The content is combined to form other technical solutions, and these improvements and modifications, as well as other technical solutions formed, should also be regarded as the protection scope of the present invention.

Claims (10)

1. a kind of expansion invisible flabellum wind wheel, it includes：Wheel hub (0), flexible flabellum (2) and constriction device (8)；Described stretches Contracting flabellum (2) annular array is on wheel hub (0)；Described flexible flabellum (2) is by the coaxial sliding extension set of more piece big and small sheath Composition is connect, or is connected and composed by more piece plate buckle sliding extension, it is radially arranged with telescopic direction along wheel hub (0), or It is radially arranged person with telescopic direction parallel to wheel hub (0), or it is approximately parallel to wheel hub (0) and radially sets with telescopic direction Put, it is fixed on wheel hub (0) and around wheel hub (0) peripheral annular array movable telescopic with top section or end segment；It is utilized Self gravitation condition brings up centrifugal force and stretches out or bring up centrifugal force in telescoping end section connection counterweight stretches out；Described contraction Device (8) one end is fixedly connected wheel hub (0) or is fixedly connected the top section of flexible flabellum (2), the flexible flabellum (2) of other end connection End segment movable telescopic.

2. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：The flexible flabellum (2) it is many Section big and small sheath is circular straighttube or flat straight tube, square straight tube, central thread, oval straight tube, arc straight tube and in the mouth of pipe Two ends arrange spacing locking hasp；Or more piece big and small sheath is that circle is pulled out Taper Pipe, flat and pulls out Taper Pipe, square pulls out Taper Pipe, prismatic Pull out Taper Pipe, ellipse and pull out Taper Pipe, arc and pull out Taper Pipe.

3. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：The flexible flabellum (2) it is many Section plate is surface plate or curved slab, bending plate, knuckle plate, and it arranges buckle slideway and stretches on both sides, and arranges limit at two ends Position locking hasp.

4. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Flexible flabellum (2) stretch Contracting direction is approximately parallel to wheel hub (0) and radially shows slightly inclination less than 90 degree with the angle of wheel hub (0) central shaft, is stopping wind wheel Slide from gravity automatic inclined by flabellum during state and shrink.

5. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Described constriction device (8) is Straight line extension spring (80) or extension spring of crispaturaing (88), clockwork spring of crispaturaing (86), pulling force rubber band (81)；Described extension spring of crispaturaing (88) is one Plant extension spring scrolling to stretch in spiral slide.

6. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Described constriction device (8) is Drag-line, its scrolling shrinks flabellum；Described flexible flabellum (2) the end segment movable telescopic of drag-line one end connection, other end connection is slided Set；Described sliding sleeve is set on wheel hub (0) central shaft and arranges on sliding sleeve clutch, and described clutch is control wheel hub (0) with stator or the separation and reunion of rotor and stator, that is, sliding sleeve combines wheel hub or rotor is rotated when being switched on, sliding sleeve knot during power-off Close stator not rotate, using the inertia rotatory force winding drag-line of rotor after power-off and wheel hub (0) flabellum is shunk.

7. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Described constriction device (8) is Drag-line, its scrolling shrinks flabellum；Described flexible flabellum (2) the end segment movable telescopic of drag-line one end connection, other end connection electricity Motivation spool；Described motor minimum of one is coaxial in wheel hub (0) central shaft and to connect Delayed power failure device.

8. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Described constriction device (8) is Piston cylinder, it is connected compression pump and is stretched with air pressure or the flexible flabellum (2) of hydraulic-driven, and its one end is fixedly connected flexible flabellum (2) Top section or wheel hub (0), with the end segment movable telescopic of the flexible flabellum (2) of other end connection.

9. a kind of expansion invisible flabellum wind wheel according to claim 1, it is characterised in that：Described constriction device (8) is Screw arbor assembly drives flabellum to stretch；Described screw arbor assembly includes：Screw rod, nut and powerplant module；Described powerplant module Drive nut locating rotation is in one end of the flexible flabellum (2) of every section；The axially disposed straight of described screw rod or sliding surface are simultaneously Linear slide is passed through successively the nut of the flexible flabellum (2) of every section and promotes flabellum expanding-contracting action.

10. a kind of expansion invisible fan-leaf fan, it includes：A kind of expansion invisible flabellum wind wheel of claim 1 to 9 is a set of, dynamic Power unit and frame；The rotating shaft of described expansion invisible flabellum wind wheel connection powerplant module or rotor；Described powerplant module It is fixed in frame, or described powerplant module stator is connected in frame.