CN209558646U - Sweep wind mechanism and air conditioner - Google Patents

Sweep wind mechanism and air conditioner Download PDF

Info

Publication number
CN209558646U
CN209558646U CN201821961753.9U CN201821961753U CN209558646U CN 209558646 U CN209558646 U CN 209558646U CN 201821961753 U CN201821961753 U CN 201821961753U CN 209558646 U CN209558646 U CN 209558646U
Authority
CN
China
Prior art keywords
blade
swing flap
hole
connecting rod
flap mechanism
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.)
Active
Application number
CN201821961753.9U
Other languages
Chinese (zh)
Inventor
余杰彬
刘汉
吴俊鸿
高旭
王现林
程诗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201821961753.9U priority Critical patent/CN209558646U/en
Application granted granted Critical
Publication of CN209558646U publication Critical patent/CN209558646U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Air-Flow Control Members (AREA)

Abstract

The utility model relates to a wind sweeping mechanism and an air conditioner; the wind sweeping mechanism comprises a blade fixing plate, blades, a connecting rod and a driving assembly; the blades are respectively connected with the blade fixing plate and the connecting rod, and one end of the connecting rod is connected with the driving assembly; the blades are connected with the connecting rods through flexible parts. The blades are connected with the connecting rod through a flexible piece, the driving assembly drives the connecting rod to reciprocate, and the connecting rod drives the blades connected with the connecting rod to swing through the flexible piece, so that wind sweeping is realized; because the connection between the connecting rod and the blade is not rigid, the stress can be uniformly dispersed in the process of transferring the force between the connecting rod and the blade, the excessive concentration is avoided, the stress concentration is avoided, the damage or potential damage to the blade is further avoided, and the service life of the blade is greatly prolonged; and the quality of the wind sweeping is improved.

Description

A kind of swing flap mechanism and air-conditioning
Technical field
The utility model relates to air-conditioning swing flap mechanism technology field more particularly to a kind of swing flap mechanism and air-conditionings.
Background technique
With the continuous improvement of quality of life, requirement of the people to environment is higher and higher.People pay attention in outdoor environment again While safety, the comfort of indoor environment is also paid attention to further.Indoor environment is adjusted, most common not mistake In air-conditioning, indoor temperature, humidity etc. can be adjusted in air-conditioning, make people at all seasons and can enjoy health, easypro Suitable temperature and humidity environment.Air-conditioning in use, has a function to influence comfort quite big, this function is exactly swing flap Function.Air-conditioning swing flap is divided into vertical swing flap and left and right swing flap;The principle and structure of vertical swing flap are similar;But left and right swing flap mesh Preceding swing flap angle is also not fully up to expectations, and existing swing flap mechanism is as depicted in figs. 1 and 2, including blade fixed plate 1, connecting rod 2, Blade 3 and driving assembly 4;Leaf is realized in the cooperation of axis hole 6 that set rotation axis 5 and the connecting rod 2 are equipped on the blade 3 The rigid connection of piece and connecting rod 2, therefore when swing flap angle is larger, the frequent stress of swing flap mechanism concentrates, excessive damage, leads Its service life is caused to decline;And existing swing flap mechanism is made of multiple parts, under assembly or disassembly efficiency is very low.
Accordingly, it is desirable to provide a kind of swing flap mechanism and air-conditioning solve the deficiencies in the prior art.
Utility model content
Technical problem to be solved by the utility model is: when the swing flap angle of air-conditioning or so swing flap is larger, swing flap mechanism warp Normal stress concentrates, it is excessive damage, cause its service life to decline.
In order to solve the above-mentioned technical problem, the utility model provides a kind of swing flap mechanism and air-conditioning.
A kind of swing flap mechanism, in air-conditioning;The swing flap mechanism includes blade fixed plate, blade, connecting rod and driving group Part;The blade is connect with the blade fixed plate and the connecting rod respectively, and described connecting rod one end is connect with the driving component;
The blade is connect with the connecting rod by flexible piece.
Further, the blade, the connecting rod and the flexible piece are integrally formed.
Further, the blade include first while, second while, third while and when the 4th, first side and described the Two sides are opposite, and the third is opposite while with the described 4th;
4th side is equipped with the rigid ear coplanar with the blade;The connecting rod is equipped with rigid projections, described soft Property part both ends connect respectively with the rigid ear and the rigid projections.
Further, the blade is equipped with flex region;The flex region is in rectangle, and the flex region includes at least two points Rigidity not parallel with the flex region length direction is mutated item;The distance on the flex region to the third side is less than described soft Distance of the property area to the 4th side.
Further, at least one through-hole for running through the blade is equipped in each rigidity mutation item.
Further, number, the shape of through-hole set in multiple rigidity mutation items are identical with position.
Further, the through-hole is oval or rectangle.
Further, be medially equipped with a through-hole in rigidity mutation item, the long axis of the oval through-hole or The long side length direction of the through-hole of rectangle is parallel with the length direction of the flex region respectively.
Further, the length of the through-hole of the long axis length or rectangle of the oval through-hole is prominent for the rigidity Become 0.25-0.75 times of length of the item on the direction parallel with the flex region length direction;Ellipse the through-hole or The area of the through-hole of rectangle is 0.2-0.6 times that the rigidity is mutated an area.
Further, it is evenly provided in the rigidity mutation item along the direction parallel with the flex region length direction more A through-hole.
Further, on the direction parallel with the flex region length direction, the total length of multiple through-holes is institute 0.2-0.7 times for stating rigidity mutation length;The gross area of multiple through-holes is the 0.15- that the rigidity is mutated an area 0.55 times.
Further, the blade is equipped with groove;The bottom of the groove forms the flex region.
Further, the thickness of the flex region includes 0.2-1.0mm.
Further, the first of the blade while close to the third while one end be equipped with it is coplanar with the blade Card ear, the card ear are fixedly connected with the blade fixed plate;The blade fixed plate, the card ear and the blade one at Type.
Based on same invention thinking, the utility model additionally provides a kind of air-conditioning, and the air-conditioning includes the swing flap machine Structure.
The technical solution of the utility model has the advantages that compared with the immediate prior art
The swing flap mechanism that technical solution provided by the utility model provides, the blade and the connecting rod are connected by flexible piece It connects, the driving component drives the connecting rod to move back and forth, and the connecting rod then drives the multiple leaves being attached thereto by flexible piece Piece is swung, to realize swing flap;Since the connection of the connecting rod and the blade is non-rigid, the transmittance process of power between the two In, stress can be made relatively evenly to disperse, be unlikely to concentrations, avoid stress concentration, and then avoid to the blade Damage or potential damage, substantially increase the service life of blade;And improve the quality of swing flap.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of swing flap mechanism in the prior art;
Fig. 2 is the attachment structure schematic diagram of blade and connecting rod in the prior art;
Fig. 3 is the structural schematic diagram of swing flap mechanism provided by the utility model;
Fig. 4 is the attachment structure schematic diagram of blade provided by the utility model Yu blade fixed plate and connecting rod;
Fig. 5 is the structural schematic diagram of blade provided by the utility model;
Fig. 6 is the cross-sectional view in the direction A-A in Fig. 5;
Fig. 7 is the cross-sectional view in the direction B-B in Fig. 5.
Wherein, 1- blade fixed plate;2- connecting rod;3- blade;4- driving assembly;5- rotation axis;6- axis hole;The flex region 7-; 8- card ear;9- rigidity ear;10- rigid projections;11- flexible piece;12- rigidity is mutated item;13- through-hole;The first side 14-;15- Two sides;16- third side;The 4th side 17-.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all Belong to the range of the utility model protection.
As shown in Figures 1 to 7, the utility model provides a kind of swing flap mechanism, in air-conditioning;Swing flap mechanism packet Include blade fixed plate 1, blade 3, connecting rod 2 and driving assembly 4;The blade 3 respectively with the blade fixed plate 1 and the connecting rod 2 connections, described 2 one end of connecting rod is connect with the driving component 4;
The blade 3 is connect with the connecting rod 2 by flexible piece 11.
The blade 3 is connect with the connecting rod 2 by flexible piece 11, and the driving component 4 drives the connecting rod 2 back and forth fortune Dynamic, the connecting rod 2 then drives the multiple blades 3 being attached thereto to swing by flexible piece 11, to realize swing flap;Due to the company Bar 2 and the connection of the blade 3 are non-rigid, therefore between the two in the transmittance process of power, stress can be made relatively evenly to disperse, no As for concentrations, stress concentration is avoided, and then avoids the damage or potential damage to the blade 3, is substantially increased The service life of blade 3;And improve the quality of swing flap.
In some embodiments of the utility model, the blade 3, the connecting rod 2 and the flexible piece 11 are integrally formed.
The flexible piece 11 has flexibility, can bend from various angles, this just can be in connecting rod 2 and blade Connection angle between 3 changes, and can more disperse the stress in motion process, due to flexible piece 11 and the blade 3 and The connecting rod 2 is integrally formed, therefore the material of the flexible piece 11 preferably selects the material as the blade 3, such as all Plastic material is selected, only the thinner thickness of the flexible piece 11, therefore it has flexibility;Also it can be selected different from blade 3 Material, such as select some ropes flexible, chain etc..
In some embodiments of the utility model, the blade 3 is with first at 14, second 15,16 and of third side 4th side 17, described first while 14 with described second while it is 15 opposite, the third while 16 with the described 4th while it is 17 opposite;
4th side 17 is equipped with the rigid ear 9 coplanar with the blade 3;Rigidity is evenly provided on the connecting rod 2 Protrusion 10, the both ends of the flexible piece 11 are connect with the rigid ear 9 and the rigid projections 10 respectively.
The connecting rod 2, the rigid projections 10, the flexible piece 11, the rigid ear 9 and the blade 3 are integrally formed Design production process can be made to become simply, it is time saving and energy saving, and the assembling process of swing flap mechanism assembling process and air-conditioning is same Sample becomes simple and convenient, reduces the complexity of swing flap mechanism assembling process, saves manpower and material resources cost.
In some embodiments of the utility model, the blade 3 is equipped with flex region 7;The flex region 7 is in rectangle, institute Stating flex region 7 includes at least two parallel with 7 length direction of flex region rigidity mutation items 12 respectively;The flex region 7 To the third while 16 distance be less than the flex region 7 arrive the described 4th while 17 distance.
By the way that flex region 7 is arranged on the blade 3, and flex region 7 is made of at least two rigidity mutation item 12;It is described It is the strip region parallel with 7 length direction of flex region on the blade 3 that rigidity, which is mutated item 12, the rigidity mutation The rigidity of item 12 is less than other regions of the blade 3, i.e., the flexibility of the described rigidity mutation item 12 is greater than its of the blade 3 His region.
Rigidity mutation item 12 makes region and the flexibility difference further expansion of flex region 7, and the flexibility of the flex region 7 can The bending of certain angle is brought it about, the angle that increase flexible can be bent increases, and greatly expands sweeping for blade 3 Wind angle;And during 3 swing flap of blade, when angle is larger, increases since the region of flex region 7 expands with flexible, make its stress It can be uniformly dispersed, be unlikely to concentrations, the blade to improve the quality of swing flap, and when avoiding wide-angle swing flap 3 damages, substantially increase the service life of blade 3.
In some embodiments of the utility model, at least one is equipped with through institute in each rigidity mutation item 12 State the through-hole 13 of blade 3;The setting of through-hole 13 can make flex region 7 have flexibility, and through-hole 13 compared with other regions of blade 3 The size of the area ratio of shared rigidity mutation item 12 determines the flexible size of the flex region 7.
In some embodiments of the utility model, the number of set through-hole 13 in multiple rigidity mutation items 12, Shape is identical with position;
I.e. all rigidity mutation items 12 are designed with a through-hole 13, and different-stiffness is mutated the through-hole 13 on item 12 Shapes and sizes are identical, and the position on rigidity mutation item 12 is also identical, that is to say, that different rigidity is mutated item Both ends difference of the through-hole 13 on the direction parallel with 7 length direction of flex region on 12 is concordant, and the length of width direction Degree is also identical, and neat, specification, beauty can not only relatively evenly disperse stress in biggish swing flap angle, and produce Also simple and convenient, time saving and energy saving in the process;
Alternatively, all rigidity mutation items 12 are designed at least two through-holes 13, then each rigidity is mutated the through-hole of item 12 13 all include that first through hole, the second through-hole, third are logical along direction one end to the other end parallel with 7 length direction of flex region Hole etc.;The shapes and sizes of first through hole on different rigidity mutation items 12 are identical, and on rigidity mutation item 12 Position it is also identical, that is to say, that the first through hole on different rigidity mutation items 12 is flat with 7 length direction of flex region Both ends difference on capable direction is concordant, and the length of width direction is also identical;Different-stiffness be mutated item 12 on the second through-hole, Third through-hole etc. also described above first through hole the case where it is consistent.
In some embodiments of the utility model, the through-hole 13 is oval or rectangle.It is oval or rectangle logical Hole 13 is beautiful, neat, and above two shape is easily processed into type, plays raising for the production efficiency of the swing flap mechanism Effect, certainly in addition to ellipse and rectangle, the through-hole 13 can also be processed into other shapes, such as square, round, more Side shape.
In some embodiments of the utility model, it is medially equipped with a through-hole 13 in the rigidity mutation item 12, it is ellipse The length direction of the through-hole 13 of the long axis or rectangle of the circular through-hole 13 is flat with 7 length direction of flex region Row.The through-hole 13 being centrally located can be such that flexible increase of rigidity mutation item 12 maximizes, and be centrally located and with it is described soft Property area 7 length direction it is parallel be designed beautifully it is neat, it is convenient for production.
In some embodiments of the utility model, through-hole 13 described in the long axis length or rectangle of the ellipse through-hole 13 Length be 0.25-0.75 that the rigidity is mutated length of the item 12 on the direction parallel with 7 length direction of flex region Times;The area of the through-hole 13 of the through-hole 13 or rectangle of ellipse is the 0.2-0.6 that the rigidity is mutated 12 area of item Times.When the rigidity is mutated 12 only one through-hole 13 of item, it is arranged according to above-mentioned length range and areal extent, it can be most The stress generated during the dispersion swing flap of big degree makes the blade 3 be unlikely to stress and concentrates and damage.
In some embodiments of the utility model, edge and 7 length direction of flex region in the rigidity mutation item 12 Parallel direction is evenly provided with multiple through-holes 13.
In some embodiments of the utility model, on the direction parallel with 7 length direction of flex region, Duo Gesuo 0.2-0.7 times for stating the length of through-hole 13 and being mutated 12 length of item for the rigidity;The area of multiple through-holes 13 and be institute 0.15-0.55 times for stating rigidity mutation 12 area of item.When rigidity mutation item 12 is equipped with multiple through-holes 13, according to above-mentioned Length range and areal extent setting, the stress generated during swing flap can be dispersed to the greatest extent, make the blade 3 not It concentrates and damages as stress.
In some embodiments of the utility model, the blade 3 is equipped with groove;The bottom of the groove forms described soft Property area 7.The thickness of the flex region 7 is less than the thickness in 3 other regions of blade.The reduction of thickness can increase flex region 7 Flexibility, facilitate the evenly dispersed of stress when wide-angle swing flap, avoid the damage or potential of blade 3 caused by stress is concentrated Damage.
In some embodiments of the utility model, the thickness of the flex region 7 includes 0.2-1.0mm.This thickness range Be conducive to increase flexible in flex region 7 and when wide-angle swing flap stress it is evenly dispersed, avoid caused by stress concentrates The damage or potential damage of blade 3.
In some embodiments of the utility model, the one end on the first side 14 of the blade 3 is equipped with same with the blade 3 The card ear 8 of plane, the card ear 8 are fixedly connected with the blade fixed plate 1;The blade fixed plate 1, the card ear 8 and institute State the integrated molding of blade 3.The blade fixed plate 1, the card ear 8 and the blade 3, which are integrally formed design, can make to produce Journey becomes simply, time saving and energy saving, and the assembling process of swing flap mechanism assembling process and air-conditioning equally becomes simple and convenient, reduces The complexity of swing flap mechanism assembling process, saves manpower and material resources cost.
Based on the same inventive concept, the utility model additionally provides a kind of air-conditioning, and the air-conditioning includes the swing flap machine Structure.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (15)

1. a kind of swing flap mechanism, in air-conditioning;It is characterized in that, the swing flap mechanism includes blade fixed plate (1), blade (3), connecting rod (2) and driving assembly (4);The blade (3) connect with the blade fixed plate (1) and the connecting rod (2) respectively, Described connecting rod (2) one end is connect with the driving component (4);
The blade (3) is connect with the connecting rod (2) by flexible piece (11).
2. a kind of swing flap mechanism according to claim 1, which is characterized in that the blade (3), the connecting rod (2) and institute State flexible piece (11) integrated molding.
3. a kind of swing flap mechanism according to claim 2, which is characterized in that the blade (3) includes the first side (14), the Two at (15), third (16) and the 4th side (17), described first when (14) are with described second (15) relatively, the third side (16) opposite with the 4th side (17);
4th side (17) is equipped with the rigid ear (9) coplanar with the blade (3);The connecting rod (2) is equipped with rigid convex It rises (10), the both ends of the flexible piece (11) are connect with the rigid ear (9) and the rigid projections (10) respectively.
4. a kind of swing flap mechanism according to claim 3, which is characterized in that the blade (3) is equipped with flex region (7);Institute Flex region (7) are stated in rectangle, the flex region (7) includes at least two parallel with the flex region (7) length direction respectively Rigidity is mutated item (12);The distance of the flex region (7) to the third side (16) is less than the flex region (7) and arrives the described 4th The distance on side (17).
5. a kind of swing flap mechanism according to claim 4, which is characterized in that be all provided in each rigidity mutation item (12) There is at least one to run through the through-hole (13) of the blade (3).
6. a kind of swing flap mechanism according to claim 5, which is characterized in that set in multiple rigidity mutation item (12) Through-hole (13) number, shape it is identical with position.
7. a kind of swing flap mechanism according to claim 5, which is characterized in that the through-hole (13) is oval or rectangle.
8. a kind of swing flap mechanism according to claim 7, which is characterized in that medially set in rigidity mutation item (12) Have a through-hole (13), the length direction of the through-hole (13) of the long axis or rectangle of the oval through-hole (13) respectively with The length direction of the flex region (7) is parallel.
9. a kind of swing flap mechanism according to claim 8, which is characterized in that the long axial length of the oval through-hole (13) Degree or rectangle the through-hole (13) long side length be the rigidity be mutated item (12) with the flex region (7) length direction 0.25-0.75 times of length on parallel direction;The face of the through-hole (13) of the through-hole (13) or rectangle of ellipse Product is 0.2-0.6 times that the rigidity is mutated item (12) area.
10. a kind of swing flap mechanism according to claim 7, which is characterized in that edge and institute in rigidity mutation item (12) It states the parallel direction of flex region (7) length direction and is evenly provided with multiple through-holes (13).
11. a kind of swing flap mechanism according to claim 10, which is characterized in that with the flex region (7) length direction On parallel direction, the total length of multiple through-holes (13) is 0.2-0.7 times that the rigidity is mutated item (12) length;It is multiple The gross area of the through-hole (13) is 0.15-0.55 times that the rigidity is mutated item (12) area.
12. a kind of swing flap mechanism according to claim 4, which is characterized in that the blade (3) is equipped with groove;It is described The bottom of groove forms the flex region (7).
13. a kind of swing flap mechanism according to claim 12, which is characterized in that the thickness of the flex region (7) includes 0.2-1.0mm。
14. a kind of swing flap mechanism according to claim 4, which is characterized in that the first side (14) of the blade (3) are leaned on One end of the nearly third side (16) is equipped with the card ear (8) coplanar with the blade (3), the card ear (8) and the blade Fixed plate (1) is fixedly connected;The blade fixed plate (1), the card ear (8) and the blade (3) are integrally formed.
15. a kind of air-conditioning, which is characterized in that the air-conditioning includes the described in any item swing flap mechanisms of claim 1 to 14.
CN201821961753.9U 2018-11-26 2018-11-26 Sweep wind mechanism and air conditioner Active CN209558646U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821961753.9U CN209558646U (en) 2018-11-26 2018-11-26 Sweep wind mechanism and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821961753.9U CN209558646U (en) 2018-11-26 2018-11-26 Sweep wind mechanism and air conditioner

Publications (1)

Publication Number Publication Date
CN209558646U true CN209558646U (en) 2019-10-29

Family

ID=68299679

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821961753.9U Active CN209558646U (en) 2018-11-26 2018-11-26 Sweep wind mechanism and air conditioner

Country Status (1)

Country Link
CN (1) CN209558646U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109373559A (en) * 2018-11-26 2019-02-22 珠海格力电器股份有限公司 Sweep wind mechanism and air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109373559A (en) * 2018-11-26 2019-02-22 珠海格力电器股份有限公司 Sweep wind mechanism and air conditioner

Similar Documents

Publication Publication Date Title
CN106255609B (en) Active air-inlet grille for curved surface
CN102878660B (en) Air guide mechanism of air conditioner, air conditioner and air supply method of air conditioner
CN103363645B (en) Air conditioner
CN202547042U (en) Air conditioner
CN202018109U (en) Air outlet structure
CN104697146B (en) The wind guiding component of air conditioner and air conditioner
CN209558646U (en) Sweep wind mechanism and air conditioner
CN201436497U (en) Air supply blade drive mechanism of an air conditioner
CN109373559A (en) Sweep wind mechanism and air conditioner
EP3957917A1 (en) Air guide mechanism for indoor unit of air conditioner and air conditioner
WO2020215900A1 (en) Swing leaf and air conditioner
CN205536449U (en) A air conditioner that is used for air guide component of air conditioner and has it
CN208536306U (en) Wall-hanging air conditioner indoor unit
CN205579900U (en) Wind guide strip, wind guide strip subassembly and cabinet air conditioner
CN207146856U (en) A kind of fan blade assembling structure of air conditioner
CN209470336U (en) Sweep wind blade and air conditioner
CN204828031U (en) Perfusion formula fan blade
CN210851969U (en) Air outlet structure of automobile air conditioner
CN208671292U (en) Ceiling air conditioning outlet air decorating structure
CN209326044U (en) The wind deflector of air conditioner and air conditioner with it
CN208253756U (en) Air conditioner indoor unit and air conditioner
CN209371385U (en) A kind of indoor unit air-flow guide and its air conditioner
CN207688257U (en) Ceiling machine
CN202813691U (en) Air-conditioner and pendulum blades thereof
CN206929955U (en) A kind of air outlet for cylindricality cabinet air-conditioner puts leaf motion

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant