CN113187745A - Air supply device - Google Patents
Air supply device Download PDFInfo
- Publication number
- CN113187745A CN113187745A CN202010035895.8A CN202010035895A CN113187745A CN 113187745 A CN113187745 A CN 113187745A CN 202010035895 A CN202010035895 A CN 202010035895A CN 113187745 A CN113187745 A CN 113187745A
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- CN
- China
- Prior art keywords
- air supply
- supply part
- supply member
- ball
- guide protrusion
- 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 17
- 238000007664 blowing Methods 0.000 claims description 35
- 230000005484 gravity Effects 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006073 displacement reaction 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
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air supply device, which comprises: a body having a center of rotation; the mounting column is arranged on the body; the air supply part is pivotally arranged on the mounting column and is provided with a withdrawing position and an extending position, the distance between the free end of the air supply part and the rotating center when the air supply part is at the withdrawing position is smaller than the distance between the free end of the air supply part and the rotating center when the air supply part is at the extending position, and the air supply part rotates from the withdrawing position to the extending position under the action of centrifugal force through the rotating action of the body; the air supply member is rotated from the extended position to the retracted position under the action of the self-gravity of the air supply member. From this, through body, erection column and air supply part cooperation, when air supply arrangement did not use, air supply part moved to body rotation center, can reduce air supply arrangement's volume to can reduce the shared space of air supply arrangement, and, also can avoid gathering the dust on the air supply part, thereby can make on the air supply part 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 an unfolded state for a long time, dust is easily accumulated on the fan blades, and the whole volume of the air supply device is large and the indoor space is large due to the fact that the fan blades are unfolded.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide an air supply device that can reduce the volume of the air supply device and also can prevent dust from accumulating on an air supply member.
The invention further provides an air supply device.
The air supply device according to the present invention includes a body having a rotation center; the mounting column is arranged on the body; the air supply part is provided with a retracting position and an extending position, the distance between the free end of the air supply part and the rotating center when the air supply part is positioned at the retracting position is smaller than the distance between the free end of the air supply part and the rotating center when the air supply part is positioned at the extending position, and the air supply part rotates from the retracting position to the extending position under the action of centrifugal force through the rotating action of the body; and the air supply member is rotated from the extension position to the retraction position under the action of the self gravity of the air supply member.
According to the air supply device, the body, the mounting column and the air supply part are matched, when the air supply device is not used, the air supply part moves towards the rotation center of the body, the volume of the air supply device can be reduced, the space occupied by the air supply device can be reduced, dust can be prevented from being accumulated on the air supply part, and the air supply part can be cleaner.
In some examples of the present invention, the air blowing member includes: the fan comprises an air supply part body, a first ball and a blade, wherein the first ball is arranged at one end of the air supply part body, and the blade is fixed on the air supply part body; the mounting post 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 air supply device comprises a body, a first supporting block and an air supply part, wherein the body is provided with a supporting surface, the first supporting block is used for supporting the air supply part and is arranged on the body, and the air supply part 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, a lower surface of the blower body has a second ball that abuts against 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 fixed to the blower body by a support rod, and the support surface of the first support block further has a guide groove in which the third ball is disposed.
In some examples of the present invention, the support surface of the first support block may have a first guide protrusion and a second guide protrusion disposed opposite to each other, and the first guide protrusion and the second guide protrusion may be respectively disposed at edges of an upper-end notch of the guide groove to guide the support rod.
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 invention, one end of the lower surface of the air supply part body, which is far away from the mounting column, is provided with a third guide protrusion, 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 in an arc shape.
In some examples of the present invention, an 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 invention, the outer end of the first supporting block is provided with a second stopping block, and the second stopping block is used for stopping the air supply member body; the second stop block is provided with a first magnet, the air supply member body is provided with a second magnet matched with the first magnet, and the first magnet and the second magnet are the same in magnetism.
The air supply device according to the present invention includes a body having a rotation center; the mounting column is arranged on the body; air supply member, air supply member's one end is located the erection column just can wind the erection column rotates, air supply member has and withdraws position and extension position, air supply member is in when withdrawing the position air supply member's free end distance is less than rotation center's distance air supply member is in when extension position air supply member's free end distance is in rotation center's distance, wherein through the rotating action of body makes air supply member follows under the effect of centrifugal force withdraw the position to extension position rotates.
In some examples of the present invention, the air supply device further includes: 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 part.
In some examples of the present invention, the air supply device further includes: the second supporting block is arranged on the body and supported below the air supply part, the upper surface of the second supporting block is a smooth inclined surface, and the upper surface of the second supporting block inclines upwards along the direction from the withdrawing position to the extending position.
In some examples of the present invention, the air blowing member is movable relative to the connection portion in a height direction of the air blowing member.
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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of an air supply arrangement according to an embodiment of the invention;
FIG. 2 is a schematic view of another angle of the air supply apparatus according to the embodiment of the present invention;
fig. 3 is an assembly schematic view of a body, a mounting column, a blowing member, a first support block, a first stopper block, and a second stopper block of a blowing 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 assembly view of a body, a mounting post, a blowing member, a first support block, a first stopper block, and a second stopper block of a blowing device according to an embodiment of the present invention;
fig. 6 is an assembled cross-sectional view of a body, a mounting post, a blowing member, a first support block, a first stopper block, and a second stopper block of a blowing device according to an embodiment of the present invention;
fig. 7 is a schematic view of a blower member of the blower device according to the embodiment of the present invention;
fig. 8 is a schematic view of another angle of the blowing member of the blowing device according to the embodiment of the present invention;
fig. 9 is a schematic view of another embodiment of an air supply 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; a blower body 31; a first ball 32; the blades 33; a second ball 34; a second guide projection 35; a third ball 36; a support rod 37;
a first support block 4; the first guide projection 41; the third guide projection 42; a guide groove 43;
a first stopper 5; a second stopper 6; a connecting portion 7; a second support block 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present 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 the air supply device 10 of the embodiment of the present invention, the air supply device 10 may be a fan, for example: the fan can be a ceiling fan, and the air supply device 10 comprises a body 1, a mounting column 2 and an air supply part 3. The body 1 has a center of rotation about which the body 1 can rotate. The mounting column 2 is fixedly arranged on the body 1, one end of the air supply member 3 is pivotally arranged on the mounting column 2, and it should be noted that the air supply member 3 can rotate around the mounting column 2. Air supply member 3 has and withdraws position and extension position, it should be noted that, when air supply member 3 is in the withdrawal position, air supply member 3 is in the shrink state, when air supply member 3 is in the extension position, air supply member 3 is in the expansion state, the distance of the free end of air supply member 3 apart from the rotation center when air supply member 3 is in the withdrawal position is less than the distance of the free end of air supply member 3 apart from the rotation center when air supply member 3 is in the extension position, wherein make air supply member 3 rotate from the withdrawal position to the extension position under the effect of centrifugal force through the rotation of body 1.
Wherein, air supply arrangement 10 during operation, air supply arrangement 10's motor drive body 1 rotates round rotation center, can produce centrifugal force at body 1 rotation in-process, and centrifugal force can overcome the effect of air supply 3 self gravity and make air supply 3 rotate to the extension position round the erection column 2 from retrieving the position, realizes the expansion of air supply 3. The air supply member 3 is rotated from the extension position to the retraction position under the action of the self gravity of the air supply member 3, specifically, when the air supply device 10 stops working, the rotation of the body 1 stops or the rotation speed of the body 1 is lower than a certain value, and under the action of the self gravity of the air supply member 3, the air supply member 3 rotates from the extension position to the retraction position, so that the air supply member 3 is retracted. The change of air supply member 3 between the contraction state and the expansion state can be completed by the arrangement, the volume of air supply device 10 can be reduced, the space occupied by air supply device 10 can be reduced, and the dust accumulation on air supply member 3 can be avoided after air supply member 3 is located at the contraction position, so that air supply member 3 can be cleaned more, and the frequency of wiping air supply member 3 by a user can be reduced.
From this, through body 1, erection column 2 and the cooperation of air supply piece 3, when air supply arrangement 10 did not use, air supply piece 3 moved to body 1 rotation center, can reduce air supply arrangement 10's volume to can reduce the shared space of air supply arrangement 10, and, also can avoid gathering the dust on the air supply piece 3, thereby can make air supply piece 3 go up cleaner.
In some embodiments of the present invention, as shown in fig. 5 to 8, the blowing member 3 may include: a blower body 31, a first ball 32, and a blade 33, the first ball 32 being provided at one end of the blower body 31, for example: the first ball 32 may be connected to the blower body 31, and the vane 33 may be fixed to the blower body 31. The mounting post 2 may have a pivot groove 21, and the first ball 32 may be disposed in the pivot groove 21, it should be noted that the first ball 32 may be disposed in the pivot groove 21 in a pivot manner, and the first ball 32 and the pivot groove 21 may be in clearance fit, and the requirement that the first ball 32 rolls in the pivot groove 21 can be met under the action of lubricating oil. When the air supply device 10 works, the air supply part 3 can be ensured to rotate from the retraction position to the extension position in the rotating process of the body 1, so that the working reliability of the air supply device 10 can be ensured.
In some embodiments of the present invention, as shown in fig. 5 and 6, the air supply device 10 may further include: a upper surface structure for supporting air supply member 3 is smooth inclined plane for supporting first supporting block 4 of air supply member 3, first supporting block 4 can be fixed and set up on body 1, first supporting block 4 can set up in one side of erection column 2, first supporting block 4 has the holding surface, air supply member body 31 reciprocating motion on the holding surface, the holding surface can be the upper surface of first supporting block 4, first supporting block 4 supports in the below of air supply member body 31, the upper surface of first supporting block 4. Wherein, when air supply piece 3 moves between withdrawing position and extending position, air supply piece body 31 always with the upper surface contact of first supporting block 4, through the upper surface structure to the supporting block for smooth inclined plane, can reduce the frictional force between air supply piece body 31 and the first supporting block 4, the motion of air supply piece body 31 on the upper surface of first supporting block 4 of can being convenient for, thereby can make things convenient for air supply piece 3 to move between withdrawing position and extending 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 an inclined surface, and in the direction from the retracted position to the extended position, the upper surface of the first supporting block 4 is configured as an inclined 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 supply device 10 does not need to work, and when the rotation speed of the body 1 is less than the predetermined value or the body 1 stops rotating, under the gravity of the air supply member 3, the air supply member 3 can be conveniently moved from the extended position to the retracted position along the upper surface of the first supporting block 4, so that the air supply member body 31 can be conveniently moved from the extended position to the retracted position, and the air supply member 3 can be automatically retracted.
However, the present invention is not limited thereto, and the upper surface of the first support block 4 is configured as a concave arc-shaped surface in the direction from the retracted position to the extended position, and it can be understood that the upper surface of the first support block 4 is recessed toward the inside of the first support block 4, and the arc-shaped surface may be a spherical surface, and the height of the upper surface of the first support block 4 corresponding to the retracted position is lower than the height of the upper surface of the first support block 4 corresponding to the extended position, wherein the air blowing device 10 is not required to operate, and when the rotation speed of the main body 1 is less than a predetermined value or the main 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 support block 4 by the self-gravity of the air blowing member 3, thereby achieving the automatic retraction of the air blowing member 3.
In some embodiments of the present invention, as shown in fig. 6-8, the lower surface of the blower body 31 has a second ball 34, the second ball 34 can rotate with respect to the blower body 31, and after the blower device 10 is assembled, the second ball 34 abuts against the upper surface of the first support block 4. Wherein, through the upper surface clearance fit of second ball 34 and first supporting block 4, air supply piece 3 can further reduce the frictional force between air supply piece body 31 and the first supporting block 4 at the motion in-process, can be convenient for more the motion of air supply piece body 31 on the upper surface of first supporting block 4 to can make things convenient for air supply piece 3 to move between withdrawing the position and extending the 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, air supply member 3 is being retrieved the position and is moving to the extension position, perhaps in extension position to retrieving the position motion in-process, through third ball 36 and guide way 43 cooperation, can lead air supply member 3, can guarantee that air supply member 3 moves between retrieving the position and extending the position reliably to, also, can play limiting displacement to third ball 36, can avoid air supply member 3 to take place the upset.
In some embodiments of the present invention, as shown in fig. 5 and 6, the upper surface of the first supporting block 4 may have a first guide protrusion 41 and a second guide protrusion 35 which are oppositely arranged, the first guide protrusion 41 and the second guide protrusion 35 are arranged at a distance, the first guide protrusion 41 and the second guide protrusion 35 are respectively arranged at the edge of the upper end notch of the guide groove 43, after the air supply device 10 is installed, the supporting rod 37 is positioned between the first guide projection 41 and the second guide projection 35, and during the movement of the blowing member 3 between the retracted position and the extended position, the first guide protrusion 41 and the second guide protrusion 35 may guide the support bar 37, therefore, the air supply part 3 can be guided to move between the retraction position and the extension position, the first guide protrusion 41 and the second guide protrusion 35 can limit the supporting rod 37, and the air supply part 3 can be further prevented from overturning.
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, and during the movement of the air blowing element 3 between the retracted position and the extended position, the first guide protrusion 41 and the second guide protrusion 35 may always limit and guide the support rod 37, so as to better avoid the air blowing element 3 from turning over, and thus, the arrangement form of the first guide protrusion 41 and the second guide protrusion 35 may 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 air blowing member body 31 away from the mounting post 2 may be provided with a third guiding protrusion 42, and the third guiding protrusion 42 is in guiding fit with the first guiding protrusion 41 or the second guiding protrusion 35, it should be explained that when the first guiding protrusion 41 is located inside the second guiding protrusion 35, the third guiding protrusion 42 is in guiding fit with the second guiding protrusion 35, and when the first guiding protrusion 41 is located outside the second guiding protrusion 35, the third guiding protrusion 42 is in guiding fit with the first guiding protrusion 41, and this application is explained as the first guiding protrusion 41 is located inside the second guiding protrusion 35. The first guide protrusion 41, the second guide protrusion 35, and the third guide protrusion 42 may be configured in an arc type in which, since the air blowing member 3 moves around the mounting post 2, it is so arranged that it can be guided in the moving direction of the air blowing member 3.
In some embodiments of the present invention, as shown in fig. 4 and 5, a first stop block 5 may be disposed at an inner end of the first support block 4, and the first stop block 5 is configured to stop the second ball 34 and the third ball 36, wherein when the air blowing member 3 moves to the retracted position, the first stop block 5 can stop the second ball 34 and the third ball 36, so that the second ball 34 and the third ball 36 can be prevented from separating from the first support block 4, and the third ball 36 can also be prevented 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 supporting block 4 may be provided with a second stopping block 6, and the second stopping block 6 is used for stopping the blower body 31, wherein when the blower 3 moves to the extended position, the second stopping block 6 can stop the blower body 31, which can further prevent the second ball 34 and the third ball 36 from separating from the first supporting block 4, and can also further prevent the third ball 36 from sliding out of the guide groove 43.
And, the second stopper 6 may have a first magnet, and the air blowing member body 31 may have a second magnet that is matched with the first magnet, and the first magnet and the second magnet have the same magnetism, wherein, when the motor of the air blowing device 10 stops working, the air blowing member 3 can be smoothly moved to the retraction position by the repulsive force between the first magnet and the second magnet in combination with the gravity of the air blowing member 3 itself, so that the air blowing member 3 can be automatically retracted. Moreover, after the air supply device 10 is used for a long time, the resistance of the upper surface of the first supporting block 4 is increased, the movement of the air supply part 3 on the first supporting block 4 is influenced, and the air supply part 3 can be ensured to move to the retraction position smoothly through the repulsive force between the magnetism of the first magnet and the magnetism of the second magnet.
Wherein, when the body 1 is rotatory, because erection column 2 and spherical first ball 32 pivot ground are connected, can make air supply piece 3 atress not in the twinkling of an eye, make air supply piece 3 thrown away smoothly, when the motor normally operates, air supply piece 3 keeps the extension position throughout because of inertial action, realizes the automatic function of stretching out.
The specific movement of the blowing member 3 will be described in detail below.
The blowing member 3 rotates from the retracted position to the extended position: when the air supply device 10 works, the motor driving body 1 of the air supply device 10 rotates around the rotating center, centrifugal force can be generated in the rotating process of the body 1, the numerical value of the centrifugal force is increased along with the increase of the rotating speed of the body 1, and when the centrifugal force reaches a preset value, the centrifugal force can overcome the action of the gravity of the air supply piece 3 to enable the air supply piece 3 to rotate around the mounting column 2 along the upper surface of the first supporting block 4 from the withdrawing position to the extending position, so that the air supply piece 3 is unfolded.
The blowing member 3 rotates from the extended position to the retracted position: when the air supply device 10 needs 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 cannot overcome the self gravity of the air supply piece 3, and under the self 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 withdrawing position along the upper surface of the first supporting block 4, so that the air supply piece 3 is automatically withdrawn.
As shown in fig. 9, an air supply device 10 according to another embodiment of the present invention includes a main body 1, a mounting post 2, and an air supply member 3, wherein the main body 1 has a rotation center, the mounting post 2 is disposed on the main body 1, one end of the air supply member 3 is disposed on the mounting post 2 and can rotate around the mounting post 2, the air supply member 3 has a retracted position and an extended position, a distance from a free end of the air supply member 3 to the rotation center when the air supply member 3 is in the retracted position is smaller than a 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, and the air supply member 3 rotates from the retracted position to the extended position by a centrifugal force due to a rotation action of the main body 1.
Wherein, air supply arrangement 10 during operation, air supply arrangement 10's motor drive body 1 rotates round rotation center, can produce centrifugal force at body 1 rotation in-process, and centrifugal force can overcome the effect of air supply 3 self gravity and make air supply 3 rotate to the extension position round the erection column 2 from retrieving the position, realizes the expansion of air supply 3.
In some embodiments of the present invention, as shown in fig. 9, the air supply device 10 may further include: connecting portion 7, the one end and the erection column 2 of connecting portion 7 are connected and can rotate around erection column 2, and the other end and the air supply piece 3 of connecting portion 7 are connected, set up like this and can link together air supply piece 3 and erection column 2, can make air supply piece 3 rotate around erection column 2.
In some embodiments of the present invention, as shown in fig. 9, the air supply device 10 may further include: second supporting block 8, second supporting block 8 sets up in body 1, second supporting block 8 supports in air supply member 3 below, the upper surface structure of second supporting block 8 is smooth inclined plane, along retrieving the direction of position to extended position, the upper surface of second supporting block 8 upwards inclines to arrange, wherein, do not need air supply arrangement 10 work, and when the rotational speed of body 1 was less than the predetermined value or body 1 stopped rotating, under the effect of air supply member 3 self gravity, air supply member 3 can move from extended position to retrieving the position along the upper surface of second supporting block 8, thereby realize that the automation of air supply member 3 is retrieved. The change of air supply member 3 between the contraction state and the expansion state can be completed by the arrangement, the volume of air supply device 10 can be reduced, the space occupied by air supply device 10 can be reduced, and the dust accumulation on air supply member 3 can be avoided after air supply member 3 is located at the contraction position, so that air supply member 3 can be cleaned more, and the frequency of wiping air supply member 3 by a user can be reduced.
In some embodiments of the present invention, the blowing member 3 is movable with respect to the connecting portion 7 in the height direction of the blowing member 3, for example: be provided with the spout on the air supply part 3, connecting portion 7 be provided with spout complex arch, the spout is arranged along the direction of height of air supply part 3, the relative protruding slidable of spout, wherein, because along retrieving the direction of position to extension position, the upper surface of second supporting shoe 8 upwards inclines to arrange, in air supply part 3 by retrieving the position to extension position motion in-process, can make air supply part 3 relative connecting portion 7 upward movement, thereby can guarantee that air supply part 3 moves to extension position smoothly, in air supply part 3 is by extension position to retrieving the position motion in-process, can make air supply part 3 relative connecting portion 7 downstream, thereby can guarantee that air supply part 3 does not separate with the upper surface of second supporting shoe 8, and then can make air supply part 3 move steadily.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. An air supply device, comprising:
a body having a center of rotation;
the mounting column is arranged on the body;
the air supply part is provided with a retracting position and an extending position, the distance between the free end of the air supply part and the rotating center when the air supply part is positioned at the retracting position is smaller than the distance between the free end of the air supply part and the rotating center when the air supply part is positioned at the extending position, and the air supply part rotates from the retracting position to the extending position under the action of centrifugal force through the rotating action of the body;
and the air supply member is rotated from the extension position to the retraction position under the action of the self gravity of the air supply member.
2. The air supply device according to claim 1, wherein the air supply member includes: the fan comprises an air supply part body, a first ball and a blade, wherein the first ball is arranged at one end of the air supply part body, and the blade is fixed on the air supply part body;
the mounting post is provided with a pivoting groove, and the first ball is arranged in the pivoting groove.
3. The air supply apparatus of claim 2, further comprising: the air supply device comprises a body, a first supporting block and an air supply part, wherein the body is provided with a supporting surface, the first supporting block is used for supporting the air supply part and is arranged on the body, and the air supply part body reciprocates on the supporting surface.
4. The air supply arrangement of claim 3, wherein the support surface is configured as a ramp to facilitate movement of the blower body from the extended position to the retracted position.
5. The blower device according to claim 3, wherein a lower surface of the blower body has a second ball that abuts against the support surface of the first support block.
6. The blower device according to claim 3, wherein a third ball is provided on a lower surface of the blower body, the third ball is fixed to the blower body by a support rod, the support surface of the first support block further includes a guide groove, and the third ball is provided in the guide groove.
7. The blowing device according to claim 6, wherein 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 respectively disposed at edges of an upper end notch of the guide groove to guide the support rod.
8. The air supply device according to claim 7, wherein the first guide projection and the second guide projection are each arranged along an extending direction of the guide groove.
9. The air supply device of claim 6, wherein a third guide protrusion is arranged at one end of the lower surface of the air supply member body, which is 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 in an arc shape.
10. The air supply device according to claim 8, wherein a first stop block is provided at an inner end of the first support block, and the first stop block is configured to stop the second ball and the third ball.
11. The air supply device according to claim 8, wherein a second stop block is arranged at an outer end of the first support block, and the second stop block is used for stopping the air supply member body;
the second stop block is provided with a first magnet, the air supply member body is provided with a second magnet matched with the first magnet, and the first magnet and the second magnet are the same in magnetism.
12. An air supply device, comprising:
a body having a center of rotation;
the mounting column is arranged on the body;
air supply member, air supply member's one end is located the erection column just can wind the erection column rotates, air supply member has and withdraws position and extension position, air supply member is in when withdrawing the position air supply member's free end distance is less than rotation center's distance air supply member is in when extension position air supply member's free end distance is in rotation center's distance, wherein through the rotating action of body makes air supply member follows under the effect of centrifugal force withdraw the position to extension position rotates.
13. The air supply apparatus of claim 12, further comprising: 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 part.
14. The air supply apparatus of claim 13, further comprising: the second supporting block is arranged on the body and supported below the air supply part, the upper surface of the second supporting block is a smooth inclined surface,
the upper surface of the second support block is inclined upwardly in the direction from the retracted position to the extended position.
15. The air supply device according to claim 13, wherein the air supply member is movable relative to the connection portion in a height direction of the air supply 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 |
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| CN113187745A true CN113187745A (en) | 2021-07-30 |
| CN113187745B CN113187745B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010035895.8A Active CN113187745B (en) | 2020-01-14 | 2020-01-14 | Air supply device |
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| US20110280711A1 (en) * | 2010-05-13 | 2011-11-17 | Ching-Wen Liu | Fan device having simultaneously foldable blades |
| 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 |
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| CN113187745B (en) | 2024-03-08 |
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