CN109527858A - A kind of air-pump type aeration seat - Google Patents
A kind of air-pump type aeration seat Download PDFInfo
- Publication number
- CN109527858A CN109527858A CN201811631319.9A CN201811631319A CN109527858A CN 109527858 A CN109527858 A CN 109527858A CN 201811631319 A CN201811631319 A CN 201811631319A CN 109527858 A CN109527858 A CN 109527858A
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- Prior art keywords
- air
- seat
- air pump
- supply pipe
- cavity
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Classifications
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- 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
- A47C7/744—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 with active means, e.g. by using air blowers or liquid pumps
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- Chairs Characterized By Structure (AREA)
Abstract
The present invention relates to chair technology fields, specially a kind of air-pump type aeration seat, including seat and the chair back, the seat is provided with portions cavity, the portions cavity is equipped with portions ventilation part, the chair back is provided with back cavity, the back cavity is equipped with structure backventing part identical with the portions ventilation part, the seat bottom is equipped with air pump, the air pump is detachably connected with by air supply pipe one and the portions ventilation part, the air pump is detachably connected with by air supply pipe two and the backventing part, the air supply pipe one is connect with the air supply opening of the air pump by solenoid valve one.The application provides wind regime using air pump, the outlet pressure of air pump is big, the distinguished and admirable intensity generated is big, so that distinguished and admirable more easily pass seat and chair back sponge, and distinguished and admirable outlet is arranged inside seat and the chair back by air supply pipe and portions ventilation part or backventing part for air pump, seat and the chair back further are passed through conducive to distinguished and admirable, improves the heat dissipation ventilation effect of seat and the chair back.
Description
Technical field
The present invention relates to chair technology field, specially a kind of air-pump type aeration seat.
Background technique
Chair is the essential furniture of people's life office, when weather is warmmer, sitting be easy it is awfully hot, due to human body with
Seat has biggish contact area, and the temperature at this will be not easy discharge and human body is caused to have feeling of oppression and heat, or even perspire, and reduce
The comfort of seat.Currently, have being aerated in such a way that seat bottom installs fan to seat, but the wind of fan
Stream is difficult the foam-rubber cushion by seat, and therefore, aeration-cooling the effect is unsatisfactory.
Summary of the invention
In view of the problems of the existing technology the present invention, proposes a kind of air-pump type aeration seat.
The technical solution adopted by the present invention to solve the technical problems is: a kind of air-pump type aeration seat, including seat and
The chair back, the seat are provided with portions cavity, and the portions cavity is equipped with portions ventilation part, and the chair back is provided with back cavity,
The back cavity is equipped with structure backventing part identical with the portions ventilation part, and the seat bottom is equipped with air pump,
The air pump is detachably connected with by air supply pipe one and the portions ventilation part, and the air pump passes through air supply pipe two and the back
Ventilation part is detachably connected with, and the air supply pipe one is connect with the air supply opening of the air pump by solenoid valve one, the air supply pipe two
It is connect with the air supply opening of the air pump by solenoid valve two, the portions ventilation part includes support plate, is fixed on the support plate
Plurality of rows of support frame that is upper, allowing gas supply pipe to pass through, the air supply header being connected to the gas supply pipe, the air supply header are set
There is the gas supply end with one grafting of air supply pipe, the gas supply pipe is equipped with venthole backwards to the support plate side.
Preferably, the seat and buttocks contact side are equipped with mesh air-permeable layer one, the chair back is set with back contact side
There is mesh air-permeable layer two.
Preferably, connecting pin of the venthole of each gas supply pipe by the gas supply pipe and the air supply header
It is gradually increased to the free end of the gas supply pipe.
Preferably, the portions cavity is equipped with support box body, the support box body is provided with box chamber, the support box body
One side is provided with support plate inlet and outlet, and the support plate inlet and outlet are connected to the box chamber, and the intracavitary bottom surface of box is equipped with guiding
Slot, the supporting case body are located at the box top of chamber and are provided with venthole, the support box body the support plate entrance end also
Equipped with limited mouth, the support plate bottom is equipped with the guide protrusions being used cooperatively with the guide groove, one side of support plate
It is additionally provided with the limit inserted block being used cooperatively with the limited mouth, is equipped with magnetic adsorption layer inside the limited mouth, the limit inserted block has
The magnetic being used cooperatively with the magnetic adsorption layer docks layer.
Preferably, the solenoid valve one is identical as two structure of solenoid valve；The solenoid valve one includes solenoid valve sheet
Body, the solenoid valve body are equipped with cavity, and the air intake being connected to the cavity and gas outlet, are equipped with and slide in the cavity
Dynamic plug, installs the mobile bar of the sliding plug, described mobile bar one end is connect with magnetic block, is additionally provided with magnetic in the cavity
Plate is equipped with connecting spring between the magnetic plate and the magnetic block.
Preferably, being equipped with semiconductor system between the air supply opening of the air pump and the solenoid valve one and the solenoid valve two
Cold part, the semiconductor refrigerating part includes ring body, set on the refrigeration end of ring body inner ring side and set on the ring
The heating end of shape ontology outer rim side, and the radiating fin set on the ring body outer rim side.
Preferably, the air pump is connect with the seat by shockproof frame, the shockproof frame and the seat it
Between be equipped with elastic buffering pad, the shockproof frame is equipped with the shockproof chamber for allowing the air pump to pass through, and the shockproof base of frame is set
There is limit opening, the air pump includes air pump shell, and the air pump shell bottom is equipped with the limited block across the limit opening,
The limited block is connected by stop screw and the shockproof frame limit, and the shockproof frame roof passes through attachment screw and institute
It states elastic buffering pad and seat connection, the shockproof intracavitary portion is equipped with the elastic buffer cooperated with the air pump shell shape
Body.
Preferably, the length of the air pump is greater than the length of the shockproof frame, the shockproof frame is described shockproof
Chamber both ends are equipped with elastic buffer body limit plate.
Preferably, the seat bottom is embedded with the nut body being used cooperatively with the attachment screw.
Preferably, the air pump is equipped with muffler.
The invention has the advantages that the application provides wind regime using air pump, the outlet pressure of air pump is big, the wind of generation
Intensity of flow is big, so that distinguished and admirable more easily pass seat and chair back sponge, and air pump passes through air supply pipe and portions ventilation part or back
Distinguished and admirable outlet is arranged inside seat and the chair back ventilation part, further passes through seat and the chair back conducive to distinguished and admirable, improves chair
The heat dissipation ventilation effect of seat and the chair back, improves the usage comfort of chair.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of air-pump type aeration seat of the present invention；
Fig. 2 is the structural schematic diagram of portions ventilation part；
Fig. 3 is the structural schematic diagram for supporting box body；
Fig. 4 is the structural schematic diagram of support plate bottom；
Fig. 5 is the structural schematic diagram of solenoid valve one；
Fig. 6 is the attachment structure schematic diagram of air pump and semiconductor refrigerating part；
Fig. 7 is the structural schematic diagram of semiconductor refrigerating part；
Fig. 8 is the attachment structure schematic diagram of shockproof frame and air pump；
Fig. 9 is another attachment structure schematic diagram of shockproof frame and air pump；
Wherein, 1, seat, 2, the chair back, 3, air pump, 41, support plate, 42, gas supply pipe, 43, support frame, 44, air supply header, 45,
Gas supply end, 46, venthole, 51, air intake, 52, gas outlet, 54, sliding plug, 55, mobile bar, 56, magnetic block, 57, magnetic plate,
58, connecting spring, 6, support box body, 61, guide groove, 62, venthole, 63, limited mouth, 64, guide protrusions, 65, limit inserted block,
71, ring body, 72, radiating fin, 81, shockproof frame, 82, elastic buffering pad, 83, limited block, 84, stop screw, 85, company
Connect screw, 86, elastic buffer body.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 4, a kind of air-pump type aeration seat, including seat 1 and the chair back 2, the seat 1 are provided with portions
Cavity, the portions cavity are equipped with portions ventilation part, and the chair back 2 is provided with back cavity, and the back cavity is equipped with knot
Structure backventing part identical with the portions ventilation part, 1 bottom of seat are equipped with air pump 3, and the air pump 3 passes through air supply pipe
One is detachably connected with the portions ventilation part, and the air pump 3 is detachably connected with by air supply pipe two and the backventing part,
The air supply pipe one is connect with the air supply opening of the air pump 3 by solenoid valve one, the gas supply of the air supply pipe two and the air pump 3
Mouth is connected by solenoid valve two.By remote controler or switch the optional ventilation of seat 1 or the ventilation of the chair back 2 or all ventilations.
The portions ventilation part includes support plate 41, is fixed in the support plate 41, gas supply pipe 42 is allowed to pass through
Plurality of rows of support frame 43, the air supply header 44 being connected to the gas supply pipe 42, the air supply header 44 are equipped with and the gas supply
The gas supply end 45 of one grafting of pipe, the gas supply pipe 42 are equipped with venthole 46 backwards to 41 side of support plate.
The portions cavity is equipped with support box body 6, and the support box body 6 is provided with box chamber, 6 one side of support box body
Support plate inlet and outlet are provided with, the support plate inlet and outlet are connected to the box chamber, and the intracavitary bottom surface of box is equipped with guide groove 61, institute
It states support box body 6 to be located at the box top of chamber and be provided with venthole 62, the support box body 6 is also set in the support plate entrance end
There is limited mouth 63,41 bottom of support plate is equipped with the guide protrusions 64 being used cooperatively with the guide groove 61, the support plate
41 1 sides are additionally provided with the limit inserted block 65 being used cooperatively with the limited mouth 63, are equipped with magnetic adsorption layer inside the limited mouth 63,
The limit inserted block 65 is equipped with the magnetic being used cooperatively with the magnetic adsorption layer and docks layer.
When specifically used, first the chamber door of portions cavity is opened, by the guide protrusions 64 of support plate 41 along support box body 6
Guide groove 61 insertion until support plate 41 limit inserted block 65 insertion support box body 6 limited mouth 63 in, at this time support plate 41 with
It supports box body 6 fixed, is then switched off the chamber door of portions cavity, the chamber door of portions cavity is equipped with a jack, by air supply pipe one
One end is inserted into along jack and is connect with the gas supply end 45 of air supply header 44, the switch of portions ventilation is then opened, at this point, air pump 3
And solenoid valve one is opened, air pump 3 generates distinguished and admirable total into air supply header 44, then by supplying by solenoid valve one and air supply pipe one
Pipe 44 is divided into gas supply pipe 42, is then entered inside support box body 6 by the venthole 46 of gas supply pipe 42, finally by supporting
The venthole 62 of box body 6 penetrates seat 1, to play to the effect of 1 heat dissipation ventilation of seat.The knot of the backventing part of the chair back 2
Structure and application method are identical as seat 1.
The seat 1 is equipped with mesh air-permeable layer 1 with buttocks contact side, and the chair back 2 is equipped with mesh with back contact side
Air-permeable layer 2 21.Mesh air-permeable layer 1 and mesh air-permeable layer 2 21 are further conducive to distinguished and admirable circulation, facilitate chair and dissipate
Heat.
The venthole 46 of each gas supply pipe 42 by the gas supply pipe 42 and the air supply header 44 connecting pin
It is gradually increased to the free end of the gas supply pipe 42, so that distribution of air flow is uniform, avoids the distinguished and admirable side for concentrating on chair.
As shown in figure 5, the solenoid valve one is identical as two structure of solenoid valve.The solenoid valve one includes solenoid valve sheet
Body, the solenoid valve body are equipped with cavity, and the air intake 51 being connected to the cavity and gas outlet 52, set in the cavity
There is sliding plug 54, the mobile bar 55 of the sliding plug 54 is installed, described 55 one end of mobile bar is connect with magnetic block 56, the cavity
It is inside additionally provided with magnetic plate 57, connecting spring 58 is equipped between the magnetic plate 57 and the magnetic block 56.
Air intake 51 is connect with air pump, and gas outlet 52 is connect with air supply pipe one, when solenoid valve is opened, that is, when being powered, and magnetic
Since the effect of coil and iron core generates magnetic force, magnetic block 56 is connect after compressing connecting spring 58 with magnetic plate 57 plate 57, thus
Make mobile bar 55 that sliding plug 54 be driven to move up, air intake 51 is connected to gas outlet 52, at this point, the generation of air pump 3 is distinguished and admirable
Cavity is entered by air intake 51, then air supply pipe one is entered by gas outlet 52.When solenoid valve closing, i.e. no power, magnetic plate 57
Magnetic force disappears, and magnetic block 56 drives connecting spring 58 to reset by gravity, makes mobile bar 55 that sliding plug 54 be driven to move down,
It will be blocked between air intake 51 and gas outlet 52.
As shown in Figure 6 and Figure 7, it is equipped between the air supply opening and the solenoid valve one and the solenoid valve two of the air pump 3
Semiconductor refrigerating part 7, the semiconductor refrigerating part 7 include ring body 71, the refrigeration set on the 71 inner ring side of ring body
End and heating end set on 71 outer rim side of ring body, and the radiating fin set on 71 outer rim side of ring body
72.When needing distinguished and admirable refrigeration, semiconductor refrigerating part 7 can be opened, the distinguished and admirable refrigeration end for flowing through 71 inner ring side of ring body
Shi Bianleng further improves the radiating and cooling effect of chair.The radiating end of 71 outer rim side of ring body passes through radiating fin 72
Heat is removed.
As shown in Figure 7 and Figure 8, the air pump 3 is connect with the seat 1 by shockproof frame 81, the shockproof frame 81
Elastic buffering pad 82 is equipped between the seat 1, the shockproof frame 81 is equipped with the shockproof chamber for allowing the air pump 3 to pass through,
81 bottom of shockproof frame be equipped with limit opening, the air pump 3 include air pump shell, the air pump shell bottom be equipped with across
The limited block 83 of the limit opening, the limited block 83 are connected by stop screw 84 and the shockproof limit of frame 81, institute
It states and is connect by attachment screw 85 with the elastic buffering pad 82 and the seat 1 at the top of shockproof frame 81, it is described shockproof intracavitary
Portion is equipped with the elastic buffer body 86 cooperated with the air pump shell shape.
The length of the air pump 3 is greater than the length of the shockproof frame 81, and the shockproof frame 81 is in the shockproof chamber two
End is equipped with elastic buffer body limit plate.1 bottom of seat is embedded with the nut body being used cooperatively with the attachment screw 85.
When specific installation, elastic buffering pad 82 is first placed in shockproof 81 top of frame, then will be prevented by attachment screw 85
Shake frame 81 is connect with the nut body of seat 1, and the length of nut body is not less than 3 centimetres, so that attachment screw 85 and nut body
Screw thread sufficiently connects, so that shockproof frame 81 and 1 stable connection of seat are secured.Then, air pump 3 is penetrated in shockproof chamber, and made
The limited block 83 of air pump shell bottom is directed at the limit opening of shockproof 81 bottom of frame, and limited block 83 is inserted into limit opening
In, play the role of Horizontal limiting to air pump 3.Then, stop screw 84 is mounted on limited block 83, height is played to air pump 3
Position-limiting action.Followed by, by elastic buffer body 86 be placed in it is shockproof intracavitary and by elastic buffer body limit plate by elastic buffer body
86 limits are fixed.Shockproof frame 81 with this configuration can weaken generated vibration when air pump 3 works significantly.
Air pump 3 uses small silent air pump, and air pump 3 is also equipped with muffler, further reduced and make an uproar caused by air pump 3
Sound.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to design of the invention
It is defined with range.Without departing from the design concept of the invention, ordinary people in the field is to technical side of the invention
The all variations and modifications that case is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
Through being all described in the claims.
Claims (10)
1. a kind of air-pump type aeration seat, it is characterised in that: including seat (1) and the chair back (2), the seat (1) is provided with portions
Cavity, the portions cavity are equipped with portions ventilation part, and the chair back (2) is provided with back cavity, and the back cavity is equipped with
Structure backventing part identical with the portions ventilation part, seat (1) bottom are equipped with air pump (3), and the air pump (3) is logical
It crosses air supply pipe one to be detachably connected with the portions ventilation part, the air pump (3) passes through air supply pipe two and the backventing part
It is detachably connected with, the air supply pipe one is connect with the air supply opening of the air pump (3) by solenoid valve one, the air supply pipe two and institute
The air supply opening for stating air pump (3) is connected by solenoid valve two, and the portions ventilation part includes support plate (41), is fixed on the support
On plate (41), allow gas supply pipe (42) plurality of rows of support frame (43) for passing through, the gas supply being connected to the gas supply pipe (42)
General pipeline (44), the air supply header (44) are equipped with the gas supply end (45) with one grafting of air supply pipe, the gas supply pipe (42)
Venthole (46) are equipped with backwards to the support plate (41) side.
2. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the seat (1) contacts with buttocks
Side is equipped with mesh air-permeable layer one (11), and the chair back (2) and back contact side are equipped with mesh air-permeable layer two (21).
3. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: each gas supply pipe (42)
Venthole (46) from the connecting pins of the gas supply pipe (42) and the air supply header (44) to the gas supply pipe (42) from
It is gradually increased by end.
4. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the portions cavity is equipped with support
Box body (6), the support box body (6) are provided with box chamber, and support box body (6) one side is provided with support plate inlet and outlet, the branch
Fagging inlet and outlet are connected to the box chamber, and the intracavitary bottom surface of box is equipped with guide groove (61), and the support box body (6) is located at described
Box top of chamber is provided with venthole (62), and the support box body (6) is additionally provided with limited mouth (63), institute in the support plate entrance end
It states support plate (41) bottom and is equipped with the guide protrusions (64) being used cooperatively with the guide groove (61), support plate (41) side
End is additionally provided with the limit inserted block (65) being used cooperatively with the limited mouth (63), is equipped with magnetic adsorption layer inside the limited mouth (63),
Limit inserted block (65) is equipped with the magnetic being used cooperatively with the magnetic adsorption layer and docks layer.
5. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the solenoid valve one and the electromagnetism
Two structure of valve is identical；The solenoid valve one include solenoid valve body, the solenoid valve body be equipped with cavity, and with the cavity
The air intake (51) of connection and gas outlet (52), the cavity is interior to be equipped with sliding plug (54), installs the shifting of the sliding plug (54)
Lever (55), described mobile bar (55) one end are connect with magnetic block (56), and magnetic plate (57), the magnetic are additionally provided in the cavity
Connecting spring (58) are equipped between suction disc (57) and the magnetic block (56).
6. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the air supply opening of the air pump (3) with
Semiconductor refrigerating part (7) are equipped between the solenoid valve one and the solenoid valve two, the semiconductor refrigerating part (7) includes annular
Ontology (71) is set to the refrigeration end of the ring body (71) inner ring side and is set to the heating of the ring body (71) outer rim side
End, and it is set to the radiating fin (72) of the ring body (71) outer rim side.
7. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the air pump (3) and the seat
(1) it is connected by shockproof frame (81), is equipped with elastic buffering pad (82) between the shockproof frame (81) and the seat (1),
The shockproof frame (81) is equipped with the shockproof chamber for allowing the air pump (3) to pass through, and shockproof frame (81) bottom is equipped with limit
Opening, the air pump (3) includes air pump shell, and the air pump shell bottom is equipped with the limited block across the limit opening
(83), the limited block (83) is connected by stop screw (84) and shockproof frame (81) limit, the shockproof frame
(81) top is connect by attachment screw (85) with the elastic buffering pad (82) and the seat (1), the shockproof intracavitary portion
Equipped with the elastic buffer body (86) cooperated with the air pump shell shape.
8. a kind of air-pump type aeration seat according to claim 7, it is characterised in that: the length of the air pump (3) is greater than
The length of the shockproof frame (81), the shockproof frame (81) are equipped with elastic buffer body limit plate at the shockproof chamber both ends.
9. a kind of air-pump type aeration seat according to claim 7, it is characterised in that: seat (1) bottom is embedded with
The nut body being used cooperatively with the attachment screw (85).
10. a kind of air-pump type aeration seat according to claim 1, it is characterised in that: the air pump (3) is equipped with noise reduction
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631319.9A CN109527858A (en) | 2018-12-29 | 2018-12-29 | A kind of air-pump type aeration seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631319.9A CN109527858A (en) | 2018-12-29 | 2018-12-29 | A kind of air-pump type aeration seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109527858A true CN109527858A (en) | 2019-03-29 |
Family
ID=65830992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811631319.9A Pending CN109527858A (en) | 2018-12-29 | 2018-12-29 | A kind of air-pump type aeration seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109527858A (en) |
Citations (7)
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|---|---|---|---|---|
| CN2589262Y (en) * | 2002-11-14 | 2003-12-03 | 龚辉 | Automobile cooling air cushion |
| CN101332784A (en) * | 2007-05-29 | 2008-12-31 | W.E.T.汽车系统股份公司 | Methods and systems for providing comfort to an occupant of a vehicle seat |
| CN202528874U (en) * | 2012-05-07 | 2012-11-14 | 党庆风 | Automotive pneumatic ventilating and massaging seat chair used for alleviating fatigue |
| CN205524011U (en) * | 2016-01-27 | 2016-08-31 | 浙江农业商贸职业学院 | Multifunctional automobile chair |
| CN105946639A (en) * | 2016-05-27 | 2016-09-21 | 江苏法中航空安全技术有限公司 | Child safety seat with automatic temperature control device |
| CN107035652A (en) * | 2016-12-02 | 2017-08-11 | 青岛海尔股份有限公司 | It is evacuated pump group part and refrigerating device |
| CN209883559U (en) * | 2018-12-29 | 2020-01-03 | 安吉新芯科技有限公司 | Air pump type ventilation seat |
-
2018
- 2018-12-29 CN CN201811631319.9A patent/CN109527858A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589262Y (en) * | 2002-11-14 | 2003-12-03 | 龚辉 | Automobile cooling air cushion |
| CN101332784A (en) * | 2007-05-29 | 2008-12-31 | W.E.T.汽车系统股份公司 | Methods and systems for providing comfort to an occupant of a vehicle seat |
| CN202528874U (en) * | 2012-05-07 | 2012-11-14 | 党庆风 | Automotive pneumatic ventilating and massaging seat chair used for alleviating fatigue |
| CN205524011U (en) * | 2016-01-27 | 2016-08-31 | 浙江农业商贸职业学院 | Multifunctional automobile chair |
| CN105946639A (en) * | 2016-05-27 | 2016-09-21 | 江苏法中航空安全技术有限公司 | Child safety seat with automatic temperature control device |
| CN107035652A (en) * | 2016-12-02 | 2017-08-11 | 青岛海尔股份有限公司 | It is evacuated pump group part and refrigerating device |
| CN209883559U (en) * | 2018-12-29 | 2020-01-03 | 安吉新芯科技有限公司 | Air pump type ventilation seat |
Non-Patent Citations (1)
| Title |
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| 曾郴林，刘情生主编: "《工业废水处理工程设计实例》", 中国环境出版社, pages: 639 * |
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