CN113187745B - Air supply device - Google Patents
Air supply device Download PDFInfo
- Publication number
- CN113187745B CN113187745B CN202010035895.8A CN202010035895A CN113187745B CN 113187745 B CN113187745 B CN 113187745B CN 202010035895 A CN202010035895 A CN 202010035895A CN 113187745 B CN113187745 B CN 113187745B
- Authority
- CN
- China
- Prior art keywords
- air supply
- supply piece
- piece
- retracted position
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims description 25
- 230000005389 magnetism Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/088—Ceiling fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
Abstract
The invention discloses an air supply device, which comprises: the body is provided with a rotation center; the mounting column is arranged on the body; the air supply piece is pivotally arranged on the mounting column and is provided with a retracted position and an extended position, the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the retracted position is smaller than the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the extended position, and the air supply piece is enabled to rotate from the retracted position to the extended position under the action of centrifugal force through the rotation action of the body; the air supply piece rotates from the extended position to the retracted position under the self gravity action of the air supply piece. Therefore, when the air supply device is not used, the air supply piece moves towards the rotation center of the body, the volume of the air supply device can be reduced, the occupied space of the air supply device can be reduced, dust accumulated on the air supply piece can be avoided, and the air supply piece can be cleaner.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an air supply device.
Background
In the related art, when the air supply device is not used, the fan blades of the air supply device are in a unfolding state for a long time, dust is easy to accumulate on the fan blades, and after the fan blades are unfolded, the whole size of the air supply device is larger, and the occupied indoor space is larger.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an air blower that can reduce the volume of the air blower and can also avoid dust accumulation on the air blower.
The invention further provides an air supply device.
The air supply device comprises a body, a fan and a fan, wherein the body is provided with a rotation center; the mounting column is arranged on the body; the air supply piece is provided with a retracted position and an extended position, the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the retracted position is smaller than the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the extended position, and the air supply piece is enabled to rotate from the retracted position to the extended position under the action of centrifugal force through the rotation action of the body; and the air supply piece rotates from the extending position to the retracting position under the self gravity action of the air supply piece.
According to the air supply device, the body, the mounting column and the air supply piece are matched, when the air supply device is not used, the air supply piece moves towards the rotation center of the body, so that the volume of the air supply device can be reduced, the occupied space of the air supply device can be reduced, dust accumulation on the air supply piece can be avoided, and the air supply piece can be cleaner.
In some examples of the present invention, the air supply member includes: the air supply device comprises an air supply piece body, a first ball and a blade, wherein the first ball is arranged at one end of the air supply piece body, and the blade is fixed on the air supply piece body; the mounting column is provided with a pivoting groove, and the first ball is arranged in the pivoting groove.
In some examples of the present invention, the air supply device further includes: the first supporting block is used for supporting the air supply piece, the first supporting block is arranged on the body and is provided with a supporting surface, and the air supply piece body reciprocates on the supporting surface.
In some examples of the invention, the support surface is configured as a ramp to facilitate movement of the blower body from the extended position to the retracted position.
In some examples of the present invention, the lower surface of the blower body has a second ball that abuts the support surface of the first support block.
In some examples of the present invention, the lower surface of the blower body has a third ball, the third ball is fixed to the blower body through a support rod, the support surface of the first support block further has a guide groove, and the third ball is disposed in the guide groove.
In some examples of the present invention, the support surface of the first support block has a first guide protrusion and a second guide protrusion disposed opposite to each other, and the first guide protrusion and the second guide protrusion are disposed at an edge of an upper end slot of the guide slot, respectively, so as to guide the support bar.
In some examples of the present invention, the first guide projection and the second guide projection are each arranged along an extending direction of the guide groove.
In some examples of the present invention, a third guiding protrusion is disposed on an end of the lower surface of the air supply member body away from the mounting post, and the third guiding protrusion is in guiding fit with the first guiding protrusion or the second guiding protrusion; the first guide protrusion, the second guide protrusion and the third guide protrusion are all configured to be arc-shaped.
In some examples of the present invention, the inner end of the first support block is provided with a first stop block for stopping the second ball and the third ball.
In some examples of the present invention, a second stop block is provided at an outer end of the first support block, and the second stop block is used for stopping the blower body; the second stop block is provided with a first magnet, the air supply piece body is provided with a second magnet matched with the first magnet, and the magnetism of the first magnet is the same as that of the second magnet.
The air supply device comprises a body, a fan and a fan, wherein the body is provided with a rotation center; the mounting column is arranged on the body; the air supply piece, the one end of air supply piece is located the erection column and can rotate around the erection column, the air supply piece has a retracted position and an extended position, the air supply piece is in when retrieving the position the free end of air supply piece is less than the air supply piece is in when the extended position the free end of air supply piece is away from the distance of center of rotation, wherein through the rotatory effect of body makes the air supply piece is under centrifugal force effect follow the retracted position to the extended position rotates.
In some examples of the present invention, the air supply device further includes: and one end of the connecting part is connected with the mounting column and can rotate around the mounting column, and the other end of the connecting part is connected with the air supply piece.
In some examples of the present invention, the air supply device further includes: the second supporting block is arranged on the body, the second supporting block is supported below the air supply piece, the upper surface of the second supporting block is constructed into a smooth inclined plane, and the upper surface of the second supporting block is inclined upwards along the direction from the retracted position to the extended position.
In some examples of the invention, the blower is movable relative to the connection in a height direction of the blower.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of an air supply device according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of an air moving device according to an embodiment of the present invention;
FIG. 3 is an assembled schematic view of a body, a mounting post, an air supply member, a first support block, a first stop block, and a second stop block of an air supply device according to an embodiment of the present invention;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is an enlarged view of an assembly of a body, a mounting post, an air moving member, a first support block, a first stop block, and a second stop block of an air moving device according to an embodiment of the present invention;
FIG. 6 is an assembled cross-sectional view of a body, mounting post, plenum member, first support block, first stop block, and second stop block of a plenum device according to an embodiment of the invention;
FIG. 7 is a schematic view of an air supply member of an air supply device according to an embodiment of the present invention;
FIG. 8 is a schematic view of another angle of an air supply member of an air supply device according to an embodiment of the present invention;
fig. 9 is a schematic view of another embodiment of an air blowing device according to an embodiment of the present invention.
Reference numerals:
an air supply device 10;
a body 1;
a mounting post 2; a pivoting groove 21;
an air supply member 3; an air supply member body 31; a first ball 32; a vane 33; a second ball 34; a second guide projection 35; a third ball 36; a support bar 37;
a first support block 4; a first guide projection 41; a third guide projection 42; a guide groove 43;
a first stopper 5; a second stopper 6; a connection part 7; and a second support block 8.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
An air blowing device 10 according to an embodiment of the present invention is described below with reference to fig. 1 to 9.
As shown in fig. 1 to 8, according to an embodiment of the present invention, the air supply device 10 may be a fan, for example: the fan may be a ceiling fan, and the air supply device 10 includes a main body 1, a mounting post 2, and an air supply member 3. The body 1 has a rotation center about which the body 1 can rotate. The mounting post 2 is fixedly disposed on the body 1, and one end of the air supply member 3 is pivotally disposed on the mounting post 2, and it should be noted that the air supply member 3 can rotate around the mounting post 2. The air supply member 3 has a retracted position and an extended position, and when the air supply member 3 is in the retracted position, the air supply member 3 is in a contracted state, and when the air supply member 3 is in the extended position, the air supply member 3 is in an expanded state, and when the air supply member 3 is in the retracted position, the distance from the free end of the air supply member 3 to the rotation center is smaller than the distance from the free end of the air supply member 3 to the rotation center when the air supply member 3 is in the extended position, wherein the air supply member 3 is rotated from the retracted position to the extended position by the rotation of the body 1.
When the air supply device 10 works, the motor of the air supply device 10 drives the body 1 to rotate around the rotation center, centrifugal force can be generated in the rotation process of the body 1, the centrifugal force can overcome the gravity of the air supply piece 3 to enable the air supply piece 3 to rotate around the mounting column 2 from the retracted position to the extended position, and the air supply piece 3 is unfolded. The air supply member 3 is rotated from the extended position to the retracted position by the gravity of the air supply member 3, specifically, when the air supply device 10 stops working, the body 1 stops rotating or the rotation speed of the body 1 is lower than a certain value, and the air supply member 3 rotates from the extended position to the retracted position by the gravity of the air supply member 3, thereby realizing the shrinkage of the air supply member 3. The setting can accomplish the transition of air supply piece 3 between shrink state and expansion state like this, can reduce the volume of air supply arrangement 10 to can reduce the space that air supply arrangement 10 occupy, and after air supply piece 3 is located the retracted position, can avoid air supply piece 3 to go up the accumulation dust, can make air supply piece 3 go up cleaner, thereby can reduce the number of times that the user cleaned air supply piece 3.
Therefore, when the air supply device 10 is not used, the air supply piece 3 moves towards the rotation center of the body 1 through the matching of the body 1, the mounting column 2 and the air supply piece 3, the volume of the air supply device 10 can be reduced, the occupied space of the air supply device 10 can be reduced, dust accumulation on the air supply piece 3 can be avoided, and the air supply piece 3 can be cleaner.
In some embodiments of the present invention, as shown in fig. 5 to 8, the blower 3 may include: the air-blowing member body 31, the first ball 32, and the blade 33, the first ball 32 is provided at one end of the air-blowing member body 31, for example: the first ball 32 may be connected to the blower body 31, and the blade 33 may be fixed to the blower body 31. The mounting post 2 may have a pivot slot 21, and the first ball 32 may be disposed in the pivot slot 21, where it is noted that the first ball 32 may be pivotally disposed in the pivot slot 21, and the first ball 32 and the pivot slot 21 may be in clearance fit, so as to satisfy the rolling requirement of the first ball 32 in the pivot slot 21 under the action of lubricating oil. When the air supply device 10 works, the air supply member 3 can be guaranteed to rotate from the retracted position to the extended position in the rotating process of the body 1, so that the working reliability of the air supply device 10 can be guaranteed.
In some embodiments of the present invention, as shown in fig. 5 and 6, the air supply device 10 may further include: a first supporting shoe 4 for supporting air supply piece 3, first supporting shoe 4 can be fixed to be set up on body 1, and first supporting shoe 4 can set up in one side of erection column 2, and first supporting shoe 4 has the holding surface, and air supply piece body 31 reciprocating motion on the holding surface, and the holding surface can be the upper surface of first supporting shoe 4, and first supporting shoe 4 supports in the below of air supply piece body 31, and the upper surface of first supporting shoe 4 is constructed as smooth inclined plane. Wherein, when air supply piece 3 moves between the retracted position and the extension position, air supply piece body 31 always contacts with the upper surface of first supporting shoe 4, through the upper surface structure of supporting shoe for smooth inclined plane, can reduce the frictional force between air supply piece body 31 and the first supporting shoe 4, can be convenient for the motion of air supply piece body 31 on the upper surface of first supporting shoe 4 to can make things convenient for air supply piece 3 to move between the retracted position and the extension position, and then can guarantee that air supply piece 3 can extend.
In some embodiments of the present invention, the supporting surface (i.e., the upper surface of the first supporting block 4) is configured as a slope, and the upper surface of the first supporting block 4 is configured as a slope in the direction from the retracted position to the extended position, and the height of the upper surface of the first supporting block 4 corresponding to the retracted position is lower than the height of the upper surface of the first supporting block 4 corresponding to the extended position, wherein the operation of the blower 10 is not required, and the movement of the blower 3 from the extended position to the retracted position along the upper surface of the first supporting block 4 can be facilitated by the gravity of the blower 3 when the rotational speed of the body 1 is less than a predetermined value or when the body 1 stops rotating, so that the movement of the blower body 31 from the extended position to the retracted position can be facilitated, thereby achieving the automatic retraction of the blower 3.
However, the present invention is not limited thereto, and the upper surface of the first supporting block 4 is configured as an arc surface which is concave inward in the direction from the retracted position to the extended position, and it is also understood that the upper surface of the first supporting block 4 is concave toward the inside of the first supporting block 4, and the arc surface may be a spherical surface, and the height of the upper surface of the first supporting block 4 corresponding to the retracted position is lower than the height of the upper surface of the first supporting block 4 corresponding to the extended position, wherein the air blowing device 10 is not required to operate, and when the rotational speed of the body 1 is less than a predetermined value or the body 1 stops rotating, the air blowing member 3 can move from the extended position to the retracted position along the upper surface of the first supporting block 4 under the self gravity of the air blowing member 3, thereby achieving automatic retraction of the air blowing member 3.
In some embodiments of the present invention, as shown in fig. 6 to 8, the lower surface of the blower body 31 has the second balls 34, and the second balls 34 can rotate relative to the blower body 31, and after the blower device 10 is assembled, the second balls 34 are abutted against the upper surface of the first supporting block 4. Wherein, through the upper surface clearance fit of second ball 34 and first supporting shoe 4, air supply piece 3 can further reduce the frictional force between air supply piece body 31 and the first supporting shoe 4 in the motion process, can be convenient for the motion of air supply piece body 31 on the upper surface of first supporting shoe 4 more to can make things convenient for air supply piece 3 to move between the retracted position and the extension position more, and then can further guarantee that air supply piece 3 can extend.
In some embodiments of the present invention, as shown in fig. 6 to 8, the lower surface of the blower body 31 may have a third ball 36, the third ball 36 may be fixed to the blower body 31 by a support rod 37, the upper surface of the first support block 4 may further have a guide groove 43, and the third ball 36 is disposed in the guide groove 43. Wherein, the air supply piece 3 moves to the extension position in the retraction position, or in the process of moving to the retraction position in the extension position, through the cooperation of the third ball 36 and the guide groove 43, the air supply piece 3 can be guided, the air supply piece 3 can be ensured to reliably move between the retraction position and the extension position, and the third ball 36 can be limited, and the air supply piece 3 can be prevented from overturning.
In some embodiments of the present invention, as shown in fig. 5 and 6, the upper surface of the first support block 4 may have a first guide protrusion 41 and a second guide protrusion 35 disposed opposite to each other, the first guide protrusion 41 and the second guide protrusion 35 are disposed at a spaced apart position, the first guide protrusion 41 and the second guide protrusion 35 are disposed at an upper end slot edge of the guide slot 43, respectively, the support bar 37 is disposed between the first guide protrusion 41 and the second guide protrusion 35 after the air blower 10 is installed, and the first guide protrusion 41 and the second guide protrusion 35 guide the support bar 37 during the movement of the air blower 3 between the retracted position and the extended position, so that the air blower 3 can be guided between the retracted position and the extended position, and the first guide protrusion 41 and the second guide protrusion 35 can limit the support bar 37, so that the air blower 3 can be further prevented from being turned over.
In some embodiments of the present invention, the first guide protrusion 41 and the second guide protrusion 35 may be disposed along the extending direction of the guide groove 43, so that the first guide protrusion 41 and the second guide protrusion 35 can always limit and guide the support rod 37 during the movement of the air supply member 3 between the retracted position and the extended position, so that the air supply member 3 can be better prevented from overturning, and the arrangement form of the first guide protrusion 41 and the second guide protrusion 35 can be more reasonable.
In some embodiments of the present invention, as shown in fig. 6 to 8, an end of the lower surface of the blower body 31, which is far from the mounting post 2, may be provided with a third guide protrusion 42, and the third guide protrusion 42 is in guide engagement with the first guide protrusion 41 or the second guide protrusion 35, and it should be explained that the third guide protrusion 42 is in guide engagement with the second guide protrusion 35 when the first guide protrusion 41 is located inside the second guide protrusion 35, and the third guide protrusion 42 is in guide engagement with the first guide protrusion 41 when the first guide protrusion 41 is located outside the second guide protrusion 35, which is described herein as the first guide protrusion 41 being located inside the second guide protrusion 35. The first guide projection 41, the second guide projection 35, and the third guide projection 42 may each be configured as an arc, wherein the arrangement is such that guiding in the moving direction of the blower 3 is possible due to the movement of the blower 3 around the mounting post 2.
In some embodiments of the present invention, as shown in fig. 4 and 5, the inner end of the first supporting block 4 may be provided with a first stopper 5, and the first stopper 5 may serve to stop the second and third balls 34 and 36, wherein the first stopper 5 may block the second and third balls 34 and 36 when the blower 3 moves to the retracted position, may prevent the second and third balls 34 and 36 from being separated from the first supporting block 4, and may prevent the third ball 36 from sliding out of the guide groove 43.
In some embodiments of the present invention, as shown in fig. 4-6, the outer end of the first support block 4 may be provided with a second stop block 6, where the second stop block 6 is used to stop the blower body 31, and when the blower 3 moves to the extended position, the second stop block 6 can stop the blower body 31, so as to further prevent the second ball 34 and the third ball 36 from being separated from the first support block 4, and further prevent the third ball 36 from sliding out of the guide groove 43.
The second stopper 6 may have a first magnet, and the blower body 31 may have a second magnet that cooperates with the first magnet, and the first magnet and the second magnet have the same magnetic properties, wherein when the motor of the blower 10 stops operating, the blower 3 can be smoothly moved to the retracted position by repulsive force between the magnetic properties of the first magnet and the second magnet, and by combining the gravity of the blower 3 itself, so that the blower 3 can be automatically retracted. After the blower 10 is used for a long period of time, the upper surface resistance of the first support block 4 increases, the movement of the blower 3 on the first support block 4 is affected, and the blower 3 can be ensured to move smoothly to the retracted position by the repulsive force between the magnetism of the first magnet and the magnetism of the second magnet.
When the body 1 rotates, the mounting column 2 and the spherical first ball 32 are pivotally connected, so that the air supply piece 3 is free from being stressed instantly, the air supply piece 3 is thrown out smoothly, and when the motor normally operates, the air supply piece 3 always keeps an extending position due to inertia, and an automatic extending function is realized.
The specific movement process of the blower 3 will be described in detail below.
The blower 3 rotates from the retracted position to the extended position: when the air supply device 10 works, the motor of the air supply device 10 drives the body 1 to rotate around the rotation center, centrifugal force can be generated in the rotation process of the body 1, the numerical value of the centrifugal force is increased along with the increase of the rotation speed of the body 1, when the centrifugal force reaches a preset value, the centrifugal force can overcome the gravity effect of the air supply piece 3, so that the air supply piece 3 can rotate around the mounting column 2 along the upper surface of the first supporting block 4 from the retracted position to the extended position, and the air supply piece 3 is unfolded.
The blower 3 rotates from the extended position to the retracted position: when the air supply device 10 is required to stop working, the motor stops working, the rotating speed of the body 1 is reduced, when the rotating speed of the body 1 is reduced to a preset value, the centrifugal force can not overcome the gravity of the air supply piece 3, and under the action of the gravity of the air supply piece 3 and the repulsive force between the magnetism of the first magnet and the magnetism of the second magnet, the air supply piece 3 is driven to rotate from the extending position to the retracting position along the upper surface of the first supporting block 4, so that the automatic retraction of the air supply piece 3 is realized.
As shown in fig. 9, an air blowing device 10 according to another embodiment of the present invention includes a body 1, a mounting post 2, and an air blowing member 3, the body 1 having a rotation center, the mounting post 2 being provided to the body 1, one end of the air blowing member 3 being provided to the mounting post 2 and rotatable around the mounting post 2, the air blowing member 3 having a retracted position and an extended position, a distance from a free end of the air blowing member 3 to the rotation center when the air blowing member 3 is in the retracted position being smaller than a distance from the free end of the air blowing member 3 to the rotation center when the air blowing member 3 is in the extended position, wherein the air blowing member 3 is rotated from the retracted position to the extended position by a centrifugal force by a rotation action of the body 1.
When the air supply device 10 works, the motor of the air supply device 10 drives the body 1 to rotate around the rotation center, centrifugal force can be generated in the rotation process of the body 1, the centrifugal force can overcome the gravity of the air supply piece 3 to enable the air supply piece 3 to rotate around the mounting column 2 from the retracted position to the extended position, and the air supply piece 3 is unfolded.
In some embodiments of the present invention, as shown in fig. 9, the air supply device 10 may further include: and the connecting part 7, one end of the connecting part 7 is connected with the mounting column 2 and can rotate around the mounting column 2, and the other end of the connecting part 7 is connected with the air supply piece 3, so that the air supply piece 3 and the mounting column 2 can be connected together, and the air supply piece 3 can rotate around the mounting column 2.
In some embodiments of the present invention, as shown in fig. 9, the air supply device 10 may further include: the second supporting shoe 8, second supporting shoe 8 sets up in body 1, second supporting shoe 8 supports in air supply piece 3 below, and the upper surface of second supporting shoe 8 is constructed to smooth inclined plane, along the direction of retrieving position to extending position, and the upper surface of second supporting shoe 8 is upwards inclined to be arranged, wherein, need not air supply arrangement 10 work, and when the rotational speed of body 1 is less than the predetermined value or when body 1 stops rotating, under air supply piece 3 self gravity effect, air supply piece 3 can follow the upper surface of second supporting shoe 8 and extend position to retrieving position to realize the automatic of air supply piece 3 and withdraw. The setting can accomplish the transition of air supply piece 3 between shrink state and expansion state like this, can reduce the volume of air supply arrangement 10 to can reduce the space that air supply arrangement 10 occupy, and after air supply piece 3 is located the retracted position, can avoid air supply piece 3 to go up the accumulation dust, can make air supply piece 3 go up cleaner, thereby can reduce the number of times that the user cleaned air supply piece 3.
In some embodiments of the present invention, in the height direction of the air feeding member 3, the air feeding member 3 is movable with respect to the connection portion 7, for example: the air supply piece 3 is provided with a chute, the connecting part 7 is provided with a protrusion matched with the chute, the chute is arranged along the height direction of the air supply piece 3, the chute is relatively protruded and slidable, wherein, because the upper surface of the second supporting block 8 is obliquely arranged upwards along the direction from the retracted position to the extended position, the air supply piece 3 can move upwards relative to the connecting part 7 in the process of moving the air supply piece 3 from the retracted position to the extended position, thereby ensuring that the air supply piece 3 smoothly moves to the extended position, and the air supply piece 3 can move downwards relative to the connecting part 7 in the process of moving the air supply piece 3 from the extended position to the retracted position, thereby ensuring that the air supply piece 3 is not separated from the upper surface of the second supporting block 8, and further ensuring that the air supply piece 3 moves stably.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An air blowing device, comprising:
a body having a center of rotation;
the mounting column is arranged on the body;
the air supply piece is provided with a retracted position and an extended position, the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the retracted position is smaller than the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the extended position, and the air supply piece is enabled to rotate from the retracted position to the extended position under the action of centrifugal force through the rotation action of the body;
rotating the air supply piece from the extended position to the retracted position under the self gravity action of the air supply piece;
the air supply piece includes: the air supply device comprises an air supply piece body, a first ball and a blade, wherein the first ball is arranged at one end of the air supply piece body, and the blade is fixed on the air supply piece body;
the mounting column is provided with a pivoting groove, and the first ball is arranged in the pivoting groove;
the first supporting block is used for supporting the air supply piece and is arranged on the body, the first supporting block is provided with a supporting surface, and the air supply piece body reciprocates on the supporting surface;
the support surface is configured as a ramp to facilitate movement of the blower body from the extended position to the retracted position;
the lower surface of air supply spare body has the third ball, the third ball is fixed in through the bracing piece the air supply spare body, the first supporting shoe the holding surface still has the guide way, the third ball is located in the guide way.
2. The air blowing device according to claim 1, wherein a lower surface of the air blowing member body has a second ball, and the second ball is stopped against the support surface of the first support block.
3. The air supply device according to claim 1, wherein the supporting surface of the first supporting block is provided with a first guiding protrusion and a second guiding protrusion which are oppositely arranged, and the first guiding protrusion and the second guiding protrusion are respectively arranged at the edge of the upper end slot opening of the guiding slot so as to guide the supporting rod.
4. A blowing device according to claim 3, wherein the first guide projection and the second guide projection are each arranged along an extending direction of the guide groove.
5. The air supply device according to claim 3, wherein a third guide protrusion is arranged at one end of the lower surface of the air supply piece body far away from the mounting column, and the third guide protrusion is in guide fit with the first guide protrusion or the second guide protrusion;
the first guide protrusion, the second guide protrusion and the third guide protrusion are all configured to be arc-shaped.
6. The air supply device according to claim 2, wherein the inner end of the first supporting block is provided with a first stop block for stopping the second ball and the third ball.
7. The air supply device according to claim 4, wherein a second stop block is arranged at the outer end of the first support block, and the second stop block is used for stopping the air supply piece body;
the second stop block is provided with a first magnet, the air supply piece body is provided with a second magnet matched with the first magnet, and the magnetism of the first magnet is the same as that of the second magnet.
8. An air blowing device, comprising:
a body having a center of rotation;
the mounting column is arranged on the body;
the air supply piece is arranged at one end of the mounting column and can rotate around the mounting column, the air supply piece is provided with a retracted position and an extended position, the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the retracted position is smaller than the distance from the free end of the air supply piece to the rotation center when the air supply piece is in the extended position, and the air supply piece is enabled to rotate from the retracted position to the extended position under the action of centrifugal force through the rotation action of the body;
one end of the connecting part is connected with the mounting column and can rotate around the mounting column, and the other end of the connecting part is connected with the air supply piece;
the second supporting block is arranged on the body, is supported below the air supply piece, and has a smooth inclined surface on the upper surface, and is arranged along the direction from the retracted position to the extended position;
the upper surface of the second supporting block is inclined upwards.
9. The air blowing device according to claim 8, wherein the air blowing member is movable with respect to the connecting portion in a height direction of the air blowing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035895.8A CN113187745B (en) | 2020-01-14 | 2020-01-14 | Air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035895.8A CN113187745B (en) | 2020-01-14 | 2020-01-14 | Air supply device |
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| Publication Number | Publication Date |
|---|---|
| CN113187745A CN113187745A (en) | 2021-07-30 |
| CN113187745B true CN113187745B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010035895.8A Active CN113187745B (en) | 2020-01-14 | 2020-01-14 | Air supply device |
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| CN (1) | CN113187745B (en) |
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| CN109826812A (en) * | 2019-04-01 | 2019-05-31 | 中山市扇王电器有限公司 | One kind is spread the wings fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8292585B2 (en) * | 2010-05-13 | 2012-10-23 | Pan Air Electric Co., Ltd. | Fan device having simultaneously foldable blades |
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| CN201884312U (en) * | 2011-01-06 | 2011-06-29 | 中山市科特电器工业有限公司 | Flying fan |
| CN205478542U (en) * | 2016-01-11 | 2016-08-17 | 广州世居照明科技有限公司 | Hinge formula ceiling fan lamp |
| CN106593944A (en) * | 2016-12-31 | 2017-04-26 | 毛永波 | Telescopic invisible fan blade wind wheel and fan |
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|---|---|
| CN113187745A (en) | 2021-07-30 |
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