CN110123062A - A kind of band air-supply regulatory function theatre chair - Google Patents
A kind of band air-supply regulatory function theatre chair Download PDFInfo
- Publication number
- CN110123062A CN110123062A CN201910334693.0A CN201910334693A CN110123062A CN 110123062 A CN110123062 A CN 110123062A CN 201910334693 A CN201910334693 A CN 201910334693A CN 110123062 A CN110123062 A CN 110123062A
- Authority
- CN
- China
- Prior art keywords
- regulatory function
- wind deflector
- rotating bar
- lantern ring
- shell
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
- A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
- A47C7/742—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling for ventilating or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/222—Shaping of the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The present invention provides a kind of band air-supply regulatory function theatre chair, it is related to stage equipment technical field, including seat, seat foot, the functional device being set on seat foot and the plenum chamber for being set to seat underfooting side, functional device includes shell, setting and the intracorporal rotating bar of shell, the lantern ring connecting with rotating bar and the connecting rod connecting with lantern ring, connecting rod is connected with wind deflector far from one end of lantern ring, wind deflector is fixed on housing bottom far from one end of connecting rod, and case top is provided with the motor for driving rotating bar to rotate.A kind of band air-supply regulatory function theatre chair structure of the present invention is simple, easy to adjust, and adjusting air quantity effect is good, and using motorized adjustment mode, adjustable range is big, highly-safe.
Description
Technical field
The present invention relates to stage equipment technical field,
Especially, the present invention relates to a kind of band air-supply regulatory function theatre chairs.
Background technique
With becoming increasingly abundant for culture life, requirement of the people to stage effect in performing active and viewing comfort level is more next
It is higher.
As rapid growth is presented in the construction of large-scale theater in the whole country, in large scale and the big space of the density of population
Interior, due to the characteristic of air itself, the difference of specific gravity of hot and cold air easily occurs in that the biggish temperature difference is generated in vertical height is existing
As.In order to build a comfortable viewing environment, at present both at home and abroad the arenas of mainstream substantially all by the way of replacement aeration,
Specific implementation is a ventilation opening to be arranged under each seat bottom, connected is the plenum chamber of arenas bottom.Newly
Fresh air is sent into seat bottom by plenum chamber after a series of processing such as filtering, refrigeration or heating.Seat foot is to blow
The characteristics of mouth has indoor air quality good, and energy-saving effect is obvious, low noise, but there is also disadvantages: current most of band outlet air
Mouth seat is all without volume adjusting apparatus, therefore the air quantity of its air outlet is determined by the pressure of novel air in plenum chamber completely, nothing
Method meets the adjusting of the temperature in different zones.Also there is fraction seat air outlet with volume adjusting apparatus, but be all to grasp manually
Make and be to have grade adjusting, spectators adjust to require to pierce and be adjusted under seat and adjustable range is restricted, practical
It is poor to experience comfort.
Therefore to solve the above-mentioned problems, designing one kind, reasonably band air-supply regulatory function theatre chair is for us
It is necessary to.
Summary of the invention
Easy to adjust the purpose of the present invention is to provide a kind of structure is simple, it is good to adjust air quantity effect, using motorized adjustment
Mode, adjustable range is big, highly-safe band air-supply regulatory function theatre chair.
In order to achieve the above objectives, the present invention, which adopts the following technical scheme that, is achieved:
A kind of band is blown regulatory function theatre chair, including seat, seat foot, the functional device being set on the seat foot and
Be set to the plenum chamber of the seat underfooting side, the functional device include shell, setting and the intracorporal rotating bar of the shell, with
The lantern ring of the rotating bar connection and the connecting rod connecting with the lantern ring, the connecting rod connect far from one end of the lantern ring
It is connected to wind deflector, the wind deflector is fixed on the housing bottom, the case top setting far from one end of the connecting rod
There is the motor for driving the rotating bar rotation.
As a preference of the present invention, being provided with air pushing hole on the shell.
As a preference of the present invention, being provided with the control button being electrically connected with the motor on the seat.
It is located in the lantern ring as a preference of the present invention, the rotating bar is at least a part of.
As a preference of the present invention, being provided with external screw thread outside the rotating bar, and internal screw thread is provided on the inside of the lantern ring.
As a preference of the present invention, it is arc that the wind deflector is at least a part of.
As a preference of the present invention, the quantity of the wind deflector is at least one.
As a preference of the present invention, the quantity of the connecting rod is at least one.
As a preference of the present invention, the rotation boom end is provided with the limited block for limiting the set ring position.
As a preference of the present invention, the wind deflector is fixed to the housing bottom by fixing bearing, and described keep out the wind
Plate is rotated around fixing bearing.
A kind of band air-supply regulatory function theatre chair beneficial effect of the present invention is: structure is simple, easy to adjust, adjusts wind
Dose-effect fruit is good, and using motorized adjustment mode, adjustable range is big, highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of functional device in one embodiment of the invention；
Fig. 3 is the structural schematic diagram of functional device in another embodiment of the present invention；
In figure: 1, seat, 11, control button, 2, seat foot, 3, functional device, 31, shell, 311, air pushing hole, 32, rotating bar,
33, lantern ring, 34, connecting rod, 35, wind deflector, 351, fixing bearing, 36, motor, 4, plenum chamber.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
With becoming increasingly abundant for culture life, rapid growth is presented in the construction of large-scale theater in the whole country, in large scale and
In the big space of the density of population, due to the characteristic of air itself, the difference of specific gravity of hot and cold air is easily occurred in vertical height
Generate biggish temperature difference phenomenon.In order to build a comfortable viewing environment, the arenas of mainstream is all adopted substantially both at home and abroad at present
With the mode of replacement aeration, specific implementation is that a ventilation opening is arranged under each seat bottom, and connected is acute
The plenum chamber of field bottom.Fresh air is sent into seat bottom by plenum chamber after a series of processing such as filtering, refrigeration or heating
Portion.The characteristics of seat foot is air outlet, has indoor air quality good, and energy-saving effect is obvious, low noise, but there is also lack
Point: current most of air port seats of taking out of are all without volume adjusting apparatus, therefore the air quantity of its air outlet is completely by new in plenum chamber
The pressure of type air determines that the temperature being unable to satisfy in different zones is adjusted.Also there is fraction seat air outlet with air quantity tune
Regulating device, but be all manual operation and be to have grade adjusting, spectators adjust to require to pierce and are adjusted and adjust under seat
Adjusting range is restricted, and real experiences comfort is poor.
Embodiment one: as shown in Figures 1 to 3, a kind of only embodiment of one of them of the invention, band air-supply adjusts function
Energy theatre chair, including seat 1, seat foot 2, the functional device 3 being set on the seat foot 2 and is set to the seat foot
The plenum chamber 4 of 2 lower sections, the functional device 3 include shell 31, setting and the rotating bar 32 in the shell 31 and described turn
The lantern ring 33 and the connecting rod 34 connecting with the lantern ring 33 that lever 32 connects, the connecting rod 34 is far from the lantern ring 33
One end is connected with wind deflector 35, and the wind deflector 35 is fixed on 31 bottom end of shell, institute far from one end of the connecting rod 34
State the motor 36 being provided at the top of shell 31 for driving the rotating bar 32 to rotate.
In the present invention, fresh air is sent into seat by plenum chamber 4 after a series of processing such as filtering, refrigeration or heating
1 bottom of chair is aerated by the output of functional device 3 at seat foot 2, replaces to arenas inner air.
Followed by ventilation speed, that is, air quantity is adjusted in functional device 3, plenum chamber 4 is set to 3 lower section of functional device, institute
Stating functional device 3 includes shell 31, and air pushing hole 311 is provided on the shell 31, then the air that plenum chamber 4 exports is under
In square entered function device 3, then from the output of each air pushing hole 311 on shell 31 to Theater Space.
In addition, the functional device 3 further includes rotating bar 32 and the rotating bar 32 company in setting and the shell 31
The lantern ring 33 connect and the connecting rod 34 connecting with the lantern ring 33, the connecting rod 34 are connected far from one end of the lantern ring 33
There is wind deflector 35, the wind deflector 35 is fixed on 31 bottom end of shell, the shell 31 far from one end of the connecting rod 34
Top is provided with the motor 36 for driving the rotating bar 32 to rotate.
And the rotating bar 32 is at least a part of is located in the lantern ring 33, is provided with outer spiral shell outside the rotating bar 32
Line, and be provided with internal screw thread on the inside of the lantern ring 33 in fact, lantern ring 33 is set in 32 outside of rotating bar, and lantern ring 33 and turns
Lever 32 is connected by mutually matched internal screw thread with external screw thread, then lantern ring 33 can be in rotating bar 32 when rotating bar 32 rotates
On be displaced along the axially extending direction of rotating bar 32.
That is, lantern ring 33 will do it displacement when the rotation of motor 36 drives rotating bar 32 to rotate, drive connecting rod 34 into
Line position is moved, and 35 one end of wind deflector is fixed to 31 bottom end of shell and rotates around the junction of wind deflector 35 and shell 31, wind deflector 35
Promotion of the other end by connecting rod 34, once then connecting rod 34 pushes wind deflector 35 to rotate, wind deflector 35 can and
31 bottom end of shell forms angle and can also change, and because the air that exports of plenum chamber 4 from the shell 31 of lower section entered function device 3
It is interior, then also can the air duct size of 4 delivery air of plenum chamber be influenced and be changed, so that air quantity be adjusted.
It is finally the control for facilitating user to adjust air-supply, is provided on the seat 1 and is electrically connected with the motor 36
Control button 11.
A kind of band air-supply regulatory function theatre chair structure of the present invention is simple, easy to adjust, and adjusting air quantity effect is good, uses
Motorized adjustment mode, adjustable range is big, and spectators sit on the seat without bending over without stretching out one's hand to functional device, Ji Kesui
When complete adjusting to ventilation, it is highly-safe.
Embodiment two, still as shown in Figures 1 to 3, one of embodiment only of the invention, essence of the invention is to use
Control wind deflector 35 below functional device 3 to stopping, the air entered function device 3 for preventing plenum chamber 4 from exporting, in order to allow
This blocking effect is more preferable, then the needs of wind deflector 35 are designed:
Firstly, the wind deflector 35 is fixed to 31 bottom end of shell by fixing bearing 351, and the wind deflector 35 is around fixation
Bearing 351 rotates, and fixing bearing 351 has preferable connectivity, and wind deflector 35 is facilitated to rotate, and such wind deflector 35 uses the longevity
Life length.
Moreover, it is arc that the wind deflector 35 is at least a part of.It is arc actually on the outside of wind deflector 35, it in this way can be with
It is convenient to be bonded closely with 31 edge of shell when wind deflector 35 is opened, it is also prevented from wind deflector 35 and 31 inner wall of shell generates scraping.
Certainly, the quantity of the wind deflector 35 is at least one.The quantity of actually wind deflector 35 can be 2 or 3
It is a, such as when wind deflector 35 is 2, two wind deflectors 35 form butterfly valves, preferably stop to 31 bottom end of shell, and
Adjustable range is big, and preferably air quantity is adjusted.
Embodiment three, still as shown in Figures 1 to 3, one of embodiment only of the invention, in order to enable the present invention is a kind of
Regulating effect with air-supply regulatory function theatre chair is more preferable, and degree of stability is higher, also has following design in the present invention:
The motor 36 is the DC micro-motor with one of slowing down, can be with acceleration and deceleration, can also be with positive and negative rotation, to drive gear
Aerofoil 35, which opens, closes, so that defeated wind be adjusted.
And control button 11 includes rotating forward button and reversion button, controls motor 36 respectively and rotates and reverse, rotating forward is then opened
It opens wind deflector 35 and reduces air quantity, reversion then withdraws wind deflector 35 and increases air quantity.
And the quantity of the connecting rod 34 is at least one.The quantity of connecting rod 34 is identical with the quantity of wind deflector 35,
One connecting rod 34 has and only a wind deflector 35 is pushed to rotate.
Finally, 32 end of rotating bar is provided with the limited block for limiting 33 position of lantern ring.Prevent rotating bar
32 rotate too long in one direction, the phenomenon that causing lantern ring 33 and rotating bar 32 to be detached from, and 32 both ends of rotating bar should all
When being provided with limited block, such air quantity adjusting control effect is more preferable, and use is more stable.
A kind of band air-supply regulatory function theatre chair structure of the present invention is simple, easy to adjust, and adjusting air quantity effect is good, uses
Motorized adjustment mode, adjustable range is big, highly-safe.
The present invention is not limited to above-mentioned specific embodiment, and the invention may be variously modified and varied.All foundations
Technical spirit of the invention should be included in the present invention to embodiment of above any modification, equivalent replacement, improvement and so on
Protection scope.
Claims (10)
- The regulatory function theatre chair 1. a kind of band is blown, it is characterised in that: including seat (1), seat foot (2), be set to it is described Functional device (3) on seat foot (2) and the plenum chamber (4) being set to below the seat foot (2), the functional device (3) Including shell (31), setting and the rotating bar (32) in the shell (31), the lantern ring (33) that is connect with the rotating bar (32) And the connecting rod (34) connecting with the lantern ring (33), the connecting rod (34) are connected with far from the one end of the lantern ring (33) Wind deflector (35), the wind deflector (35) is fixed on the shell (31) bottom end far from the one end of the connecting rod (34), described The motor (36) for driving the rotating bar (32) to rotate is provided at the top of shell (31).
- The regulatory function theatre chair 2. a kind of band according to claim 1 is blown, it is characterised in that: on the shell (31) It is provided with air pushing hole (311).
- The regulatory function theatre chair 3. a kind of band according to claim 1 is blown, it is characterised in that: on the seat (1) It is provided with the control button (11) being electrically connected with the motor (36).
- The regulatory function theatre chair 4. a kind of band according to claim 1 is blown, it is characterised in that: the rotating bar (32) It is at least a part of to be located in the lantern ring (33).
- The regulatory function theatre chair 5. a kind of band according to claim 4 is blown, it is characterised in that: the rotating bar (32) It is provided with external screw thread outside, and is provided with internal screw thread on the inside of the lantern ring (33).
- The regulatory function theatre chair 6. a kind of band according to claim 1 is blown, it is characterised in that: the wind deflector (35) At least a part of is arc.
- The regulatory function theatre chair 7. a kind of band according to claim 1 is blown, it is characterised in that: the wind deflector (35) Quantity be at least one.
- The regulatory function theatre chair 8. a kind of band according to claim 1 is blown, it is characterised in that: the connecting rod (34) Quantity be at least one.
- The regulatory function theatre chair 9. a kind of band according to claim 1 is blown, it is characterised in that: the rotating bar (32) End is provided with the limited block for limiting the lantern ring (33) position.
- The regulatory function theatre chair 10. a kind of band according to claim 1 is blown, it is characterised in that: the wind deflector (35) it is fixed to the shell (31) bottom end by fixing bearing (351), and the wind deflector (35) turns around fixing bearing (351) It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334693.0A CN110123062A (en) | 2019-04-24 | 2019-04-24 | A kind of band air-supply regulatory function theatre chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334693.0A CN110123062A (en) | 2019-04-24 | 2019-04-24 | A kind of band air-supply regulatory function theatre chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110123062A true CN110123062A (en) | 2019-08-16 |
Family
ID=67570946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910334693.0A Pending CN110123062A (en) | 2019-04-24 | 2019-04-24 | A kind of band air-supply regulatory function theatre chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110123062A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190049A (en) * | 2020-09-27 | 2021-01-08 | 亦和映展设计工程(湖北)有限公司 | Adjustable auditorium type exhibition theater with good immersion atmosphere |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205018611U (en) * | 2015-10-12 | 2016-02-10 | 浙江大丰实业股份有限公司 | Seat with air supply governing system |
| CN106979342A (en) * | 2017-04-25 | 2017-07-25 | 广东环葆嘉节能科技有限公司 | Manual air volume control valve |
| CN206608202U (en) * | 2017-04-01 | 2017-11-03 | 中国石油大学(华东) | A kind of ventilation parameters structure |
| CN207093789U (en) * | 2017-08-10 | 2018-03-13 | 中国汽车工业工程有限公司 | A kind of circular regulating valve of trench air draft |
| CN208458225U (en) * | 2018-06-15 | 2019-02-01 | 河北绿拓建筑科技有限公司 | A kind of dedicated volume adjusting apparatus of air outlet |
| CN210227509U (en) * | 2019-04-24 | 2020-04-03 | 杭州友邦演艺设备有限公司 | Theatre seat with air supply adjusting function |
-
2019
- 2019-04-24 CN CN201910334693.0A patent/CN110123062A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205018611U (en) * | 2015-10-12 | 2016-02-10 | 浙江大丰实业股份有限公司 | Seat with air supply governing system |
| CN206608202U (en) * | 2017-04-01 | 2017-11-03 | 中国石油大学(华东) | A kind of ventilation parameters structure |
| CN106979342A (en) * | 2017-04-25 | 2017-07-25 | 广东环葆嘉节能科技有限公司 | Manual air volume control valve |
| CN207093789U (en) * | 2017-08-10 | 2018-03-13 | 中国汽车工业工程有限公司 | A kind of circular regulating valve of trench air draft |
| CN208458225U (en) * | 2018-06-15 | 2019-02-01 | 河北绿拓建筑科技有限公司 | A kind of dedicated volume adjusting apparatus of air outlet |
| CN210227509U (en) * | 2019-04-24 | 2020-04-03 | 杭州友邦演艺设备有限公司 | Theatre seat with air supply adjusting function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190049A (en) * | 2020-09-27 | 2021-01-08 | 亦和映展设计工程(湖北)有限公司 | Adjustable auditorium type exhibition theater with good immersion atmosphere |
| CN112190049B (en) * | 2020-09-27 | 2024-04-02 | 合肥思科智展文化科技有限公司 | Adjustable audience-mat type exhibition theatre with good immersion atmosphere |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205579920U (en) | Air conditioner indoor unit and air guide structure thereof | |
| CN203100002U (en) | Vertical air conditioner | |
| CN106440221B (en) | Air conditioner control method and air conditioner | |
| CN208920217U (en) | Wall-hanging air conditioner indoor unit | |
| CN208920220U (en) | Wall-hanging air conditioner indoor unit | |
| CN110123062A (en) | A kind of band air-supply regulatory function theatre chair | |
| CN108758822A (en) | Wall-hanging air conditioner indoor unit | |
| CN108758827A (en) | Wall-hanging air conditioner indoor unit | |
| CN107202025A (en) | A kind of electric fan for automatically adjusting rotating speed | |
| CN206626777U (en) | Air outlet structure and air conditioner | |
| CN108758831A (en) | Wall-hanging air conditioner indoor unit | |
| CN208920218U (en) | Wall-hanging air conditioner indoor unit | |
| CN108758832A (en) | Wall-hanging air conditioner indoor unit | |
| CN208222679U (en) | Air conditioner | |
| CN208920303U (en) | Wall-hanging air conditioner indoor unit | |
| CN208920224U (en) | Wall-hanging air conditioner indoor unit | |
| CN208779562U (en) | Cabinet air-conditioner and air conditioner | |
| CN205315313U (en) | Tower fan that air-out angle can be adjusted | |
| CN109855216A (en) | A kind of refrigeration equipment of the high safety and reliability with purification function | |
| CN106152461A (en) | The air-out control method of cabinet air-conditioner and cabinet air-conditioner | |
| CN108758825A (en) | Wall-hanging air conditioner indoor unit | |
| CN208920304U (en) | Wall-hanging air conditioner indoor unit | |
| CN208920225U (en) | Wall-hanging air conditioner indoor unit | |
| CN210227509U (en) | Theatre seat with air supply adjusting function | |
| CN104566900B (en) | Jet flow adjustment device for rectangular air opening of central air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |