CN106993484A - The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof - Google Patents
The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof Download PDFInfo
- Publication number
- CN106993484A CN106993484A CN201610859188.4A CN201610859188A CN106993484A CN 106993484 A CN106993484 A CN 106993484A CN 201610859188 A CN201610859188 A CN 201610859188A CN 106993484 A CN106993484 A CN 106993484A
- Authority
- CN
- China
- Prior art keywords
- ventilating opening
- magnet
- top pressure
- cover piece
- closed
- 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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Air-Flow Control Members (AREA)
Abstract
The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof, described device are used for greenhouse support body（9）In ventilating opening passage（90）Cover lid is carried out, including located at the greenhouse support body（9）Interior engagement mouthful（88）And it is inserted into the engagement mouth（88）Closed cover piece（8）, thus, when closed cover piece（8）Slide into the engagement mouth（88）When, the ventilating opening passage（90）It is closed, when closed cover piece（8）Slip away the engagement mouth（88）Ventilating opening between when, the ventilating opening passage（90）Allow air into, whole device of the present invention is reliable, drafting efficiency can be effectively improved, it is ensured that the crop in warmhouse booth can be within the optimum temperature range of growth.
Description
Technical field
The present invention relates to agriculture field, the ventilation unit and its operating method of the greenhouse ventilating opening of specially a kind of abrasionproof.
Background technology
Warmhouse booth planting technology, the greenhouse vegetable of particularly current north of china in winter are all being greatly developed in all parts of the country in recent years
Dish greenhouse enters large-scale production and planted gradually, and the ongoing operations of traditional warmhouse booth are relatively more, the daytime in northern winter
At noon, intensity of sunshine is than larger, and temperature-rise ratio is very fast in warmhouse booth, now, in order that the temperature in warmhouse booth is constant,
Need to be aerated ventilation to warmhouse booth and radiate, and when sun whereabouts to the west in afternoon, the temperature in warmhouse booth starts
Decline, need to close to the passage of warmhouse booth ventilation and radiating again, to ensure that the temperature inside warmhouse booth is constant.
Current traditional warmhouse booth various functions, which are substantially, manually to be operated to realize, labor intensity very big, efficiency is non-
It is often low.The keying of the wherein very ventilating opening of crucial warmhouse booth even more manually pulls rope to realize, efficiency is very
It is low, it is impossible to be accurately controlled the temperature in warmhouse booth, it is impossible to timely respond to the change of temperature in warmhouse booth, it is ensured that not temperature
Crop in the greenhouse of room can be within the optimum temperature range of growth.
The content of the invention
It is an object of the invention to provide a kind of ventilation unit of the greenhouse ventilating opening of abrasionproof and its operating method, for gram
Take drawbacks described above of the prior art.
According to the ventilation unit of the greenhouse ventilating opening of the abrasionproof of the present invention, for entering to the ventilating opening passage in greenhouse support body
Row cover lid, including with the greenhouse support body be connected engagement mouth and be inserted into it is described engage mouth closed cover piece, thus,
When closed cover piece slides into the engagement mouth, the ventilating opening passage is closed, when closed cover piece slips away the engagement mouth,
The ventilating opening passage is allowed air into, and supply fan is provided with the ventilating opening passage, the supply fan is to work as
State closed cover piece slip away it is described engagement mouth when improve drafting efficiency；Wherein, the closed cover piece be fixedly installed positioned at left side to
The sliding panel of lower extension, the end of the sliding panel is hinged with roller and is used to can be stretched up and down by bottom top pressure spring
The left tilted surface and right tilted surface of the double inclined plane top pressure drive block of motion engage respectively extremely to beat the closed cover piece top pressure
Open position and closed position, the left surface of the sliding panel are provided with the ventilating opening including being set respectively on fore-and-aft direction and open use
The ventilating opening opening magnet assembly of preceding magnet and rear magnet, the right flank of the sliding panel is provided with including on fore-and-aft direction points
The ventilating opening that does not set is closed with preceding magnet and the ventilating opening closing magnet assembly of rear magnet, in left position in the greenhouse support body
Install and be equipped with including front and rear arrangement, respectively slidably and to open corresponding logical with preceding magnet and rear magnet with the ventilating opening
Air port is opened with preceding magnet coil and the ventilating opening opening electromagnetic coil assembly of rear magnet coil, on the right side in the greenhouse support body
Position is provided with including front and rear arrangement, respectively slidably and to corresponding with preceding magnet and rear magnet with ventilating opening closing
Ventilating opening is closed with preceding magnet coil and the ventilating opening closing electromagnetic coil assembly of rear magnet coil；The ventilating opening, which is opened, to be used
Electromagnetic coil assembly and ventilating opening closing are acted on when lower electric with electromagnetic coil assembly by respective extension spring and in retracting
State is provided with slack adjuster, institute so as to avoid interference with the motion of the closed cover piece, the double inclined plane top pressure drive block
Slack adjuster is stated including the elastic motor being fixedly connected with the double inclined plane top pressure drive block, slide-and-guide cavity and is set
The elastic sliding block in the slide-and-guide cavity is put, the elastic slider bottom is fixedly connected with the top pressure spring, described
Slide-and-guide cavity inside both sides are provided with groove is oriented to, and the elastic sliding block two ends are embedded in the guiding groove and end face is provided with
Roller, the roller is rolled with the guiding groove and is connected, and the roller is sliding for a long time to reduce the elastic sliding block
Move and cause abrasion, improve service life, the elastic slider top is installed with elastic screw rod, and the elastic screw tip is provided with
It is rotatably assorted and is connected with the elastic motor at the top of the screw shell that screw thread is connected, the screw shell, the elastic tune
Regulating device is to adjust the elasticity of the top pressure spring, so as to improve operation stability.
According to the present invention, the operating method of the ventilation unit of the greenhouse ventilating opening of above-mentioned abrasionproof, when needing to perform ventilating opening
During opening operation, electricity on the ventilating opening opening electromagnetic coil assembly is so as to be in stretching state and attract the closed cover piece
Sliding to the left causes the roller to be engaged with the left tilted surface, electric under the ventilating opening opening electromagnetic coil assembly afterwards and locate
In retracted mode, the closed cover piece is locked in opening by top pressure in the presence of the left tilted surface of the double inclined plane top pressure drive block
State；When needing to perform ventilating opening shutoff operation, electricity is so as in stretching on the ventilating opening closing electromagnetic coil assembly
State simultaneously attracts the closed cover piece to slide to the right so that the roller is engaged with the right tilted surface, and the ventilating opening is closed afterwards
It is described close in the presence of the right tilted surface of the double inclined plane top pressure drive block with electricity under electromagnetic coil assembly in retracted mode
Cover piece is closed to be locked in off position by top pressure.
In the device of the present invention, due to by performing the slide function for closed cover piece, thus, it is possible to need not
Ventilating opening passage plugging outside air is entered in greenhouse in the state of ventilation, beaten while being able to ensure that in the state of it need to divulge information
Closed cover piece is opened to be aerated.And present invention employs the Electromagnetically-operating coil of left and right sides distribution and double inclined plane top pressure sliding block
The pattern being engaged, thus, it is possible to which while ensuring closed cover piece remaining positioned in fixed expectation state, electricity can be shortened
The distance of magnetic coil and corresponding magnet is so that it is guaranteed that the validity of Electromagnetically-operating and improve attraction.
Brief description of the drawings
Fig. 1 is the overlooking structural representation of the ventilation unit of the greenhouse ventilating opening of the abrasionproof of the present invention.
Fig. 2 is the B-B cross section structure diagrams of device in Fig. 1, illustrated therein is slip grid and is closed.
Fig. 3 is that the device in Fig. 2 is sliding the view that grid are in opening procedure, and now roller connects with left tilted surface
Close and the opening not yet lower electricity of magnet coil.
Fig. 4 is the schematic cross-sectional view of A-A in Fig. 1.
Embodiment
With reference to Fig. 1-4, the present invention is described in detail.
The ventilation unit of the greenhouse ventilating opening of abrasionproof according to an embodiment of the invention, for logical in greenhouse support body 9
Air port passage 90 carries out cover lid, including engagement in the greenhouse support body 9 mouthful 88 and is inserted into the engagement mouth
88 closed cover piece 8, thus, when closed cover piece 8 slides into the engagement mouth 88, the ventilating opening passage 90 is closed, when
Closed cover piece 8 slip away it is described engagement mouth 88 when, the ventilating opening passage 90 is allowed air into, and is set in the ventilating opening passage 90
There is supply fan 91, the supply fan 91 when the closed cover piece 8 slips away the engagement mouth 88 to improve drafting efficiency；
Wherein, the closed cover piece 8 is fixedly installed the sliding panel 83 extended downwardly positioned at left side, and the end of the sliding panel 83 is hinged
Have roller 84 be used to by bottom top pressure spring 79 can up and down stretching motion double inclined plane top pressure drive block 7 left tilted surface
72 and right tilted surface 71 engage so as to respectively by the closed top pressure of cover piece 8 to open position and closed position, the slip
The left surface of plate 83 is provided with opens leading to preceding magnet 821 and rear magnet 82 including the ventilating opening that is set respectively on fore-and-aft direction
Air port opening magnet assembly, the right flank of the sliding panel 83 is provided with the ventilating opening including being set respectively on fore-and-aft direction and closed
Close be provided with the ventilating opening closing magnet assembly with preceding magnet and rear magnet 81, the greenhouse support body 9 in left position including
Front and rear arrangement, difference with ventilating opening opening with preceding magnet 821 and the corresponding ventilating opening of rear magnet 82 slidably and to be beaten
Open in the ventilating opening opening electromagnetic coil assembly with preceding magnet coil 621 and rear magnet coil 62, the greenhouse support body 9 on the right side
Position is provided with including front and rear arrangement, respectively slidably and to corresponding with preceding magnet and rear magnet 81 with ventilating opening closing
Ventilating opening close with preceding magnet coil 611 and the ventilating opening closing electromagnetic coil assembly of rear magnet coil 61；The ventilation
Mouthful opening acted on electromagnetic coil assembly and ventilating opening closing with electromagnetic coil assembly by respective extension spring when lower electric and
Elastic adjust is provided with the motion of the closed cover piece 8, the double inclined plane top pressure drive block 7 so as to avoid interference with retracted mode
Regulating device 101, the slack adjuster 101 includes the elastic motor being fixedly connected with the double inclined plane top pressure drive block 7
103rd, slide-and-guide cavity 102 and the elastic sliding block 106 being arranged in the slide-and-guide cavity 102, the elastic sliding block
106 bottoms are fixedly connected with the top pressure spring 79, and the inside both sides of slide-and-guide cavity 102 are provided with guiding groove 107, institute
State the elastic two ends of sliding block 106 be embedded in it is described guiding groove 107 in and end face be provided with roller 108, the roller 108 with it is described be oriented to
Groove 107, which is rolled, to be connected, and the roller 108 causes abrasion to reduce the elastic sliding block 106 to slide for a long time, carries
High service life, the elastic top of sliding block 106 is installed with elastic screw rod 105, and the elastic top of screw rod 105 is matched somebody with somebody provided with screw thread
The screw shell 104 of connection is closed, the top of screw shell 104 is rotatably assorted with the elastic motor 103 to be connected, described elastic
Elasticity of the adjusting means 101 to adjust the top pressure spring 79, so as to improve operation stability.
Reference picture 4, exemplarily or valuably, wherein, the ventilating opening closing magnet assembly and ventilating opening, which are closed, to be used
Being each mounted on respective scaling operation component in electromagnetic coil assembly, before each scaling operation component includes
Rear to the preceding wedge block 511 and rear wedge block 51 being provided separately to respectively with for magnet coil be connected, it is described
The bottom of preceding wedge block 511 and rear wedge block 51 is respectively arranged with preceding sucking coil 52 and rear sucking coil 51 is used to and top
Preceding attraction magnet 311 and rear attraction magnet 31 on the wedge-shaped arm operating parts 3 of pressure are corresponded to respectively, the preceding sucking coil 52 and rear suction
It is electric lead circle 51 is synchronous with corresponding one in ventilating opening closing magnet assembly and ventilating opening closing electromagnetic coil assembly,
So as to which the wedge-shaped arm operating parts 3 of the top pressure is attracted into motion upwards, pass through two wedge-shaped arms of the wedge-shaped arm operating parts 3 of the top pressure
Respectively with the effect of the preceding wedge block 511 and rear wedge block 51 and cause corresponding electromagnetic coil assembly to overcome respective
Extension spring is acted on and stretched out by top pressure.
According to embodiment, the operating method of the ventilation unit of the greenhouse ventilating opening of above-mentioned abrasionproof, when needing to perform ventilating opening
During opening operation, electricity on the ventilating opening opening electromagnetic coil assembly is so as to be in stretching state and attract the closed cover piece
8 slide so that the roller 84 is engaged with the left tilted surface 72, afterwards under the ventilating opening opening electromagnetic coil assembly to the left
Electricity and in retracted mode, the closed cover piece 8 is by top pressure in the presence of the left tilted surface 72 of the double inclined plane top pressure drive block 7
It is locked in open mode；When needing to perform ventilating opening shutoff operation, on the ventilating opening closing electromagnetic coil assembly electricity from
And in stretching state and attract the closed cover piece 8 to slide to the right so that the roller 84 is engaged with the right tilted surface 71, it
Afterwards under the ventilating opening closing electromagnetic coil assembly electricity and in retracted mode, on the right side of the double inclined plane top pressure drive block 7
The closed cover piece 8 is locked in off position by top pressure in the presence of inclined-plane 71.
Due to by performing the slide function for closed cover piece, thus, it is possible to lead in the state of without ventilation
Air port passage plugging outside air enters in greenhouse, is led to while being able to ensure that in the state of it need to divulge information and opening closed cover piece
Wind.And present invention employs the pattern that is engaged with double inclined plane top pressure sliding block of Electromagnetically-operating coil of left and right sides distribution, by
This can shorten magnet coil and corresponding magnetic while ensuring closed cover piece remaining positioned in fixed expectation state
The distance of body is so that it is guaranteed that the validity and raising attraction of Electromagnetically-operating.Whole device is reliable, can effectively improve logical
Wind efficiency, it is ensured that the crop in warmhouse booth can be within the optimum temperature range of growth.
Those skilled in the art can be clear and definite, can in the case of the overall spirit of the present invention and design is not departed from
To make the various modifications for above example.It is each fallen within protection scope of the present invention.The protection scheme of the present invention
It is defined by claims appended hereto.
Claims (3)
1. the ventilation unit of the greenhouse ventilating opening of a kind of abrasionproof, for greenhouse support body（9）In ventilating opening passage（90）Carry out
Cover lid, including located at the greenhouse support body（9）Interior engagement mouthful（88）And it is inserted into the engagement mouth（88）It is closed
Cover piece（8）, thus, when closed cover piece（8）Slide into the engagement mouth（88）When, the ventilating opening passage（90）It is closed, when
Closed cover piece（8）Slip away the engagement mouth（88）When, the ventilating opening passage（90）Allow air into, the ventilating opening passage
（90）It is interior to be provided with supply fan（91）, the supply fan（91）To when the closed cover piece（8）Slip away the engagement mouth
（88）Shi Tigao drafting efficiencies；Wherein, the closed cover piece（8）It is fixedly installed the sliding panel extended downwardly positioned at left side
（83）, the sliding panel（83）End be hinged with roller（84）To with by bottom top pressure spring（79）And can stretch up and down
Contract the double inclined plane top pressure drive block moved（7）Left tilted surface（72）And right tilted surface（71）Engagement is so as to respectively will be described closed
Cover piece（8）Top pressure is to open position and closed position, the sliding panel（83）Left surface be provided with including on fore-and-aft direction point
The ventilating opening not set is opened and uses preceding magnet（821）With rear magnet（82）Ventilating opening opening magnet assembly, the sliding panel
（83）Right flank be provided with and closed including the ventilating opening that is set respectively on fore-and-aft direction with preceding magnet and rear magnet（81）It is logical
Air port closing magnet assembly, the greenhouse support body（9）In be provided with left position including it is front and rear arrangement, respectively slidably and use
Preceding magnet is used to be opened with the ventilating opening（821）With rear magnet（82）Corresponding ventilating opening is opened and uses preceding magnet coil（621）
With rear magnet coil（62）Ventilating opening opening electromagnetic coil assembly, the greenhouse support body（9）In right position is provided with bag
Include front and rear arrangement, respectively slidably and to be closed with the ventilating opening with preceding magnet and rear magnet（81）Corresponding ventilating opening is closed
Close and use preceding magnet coil（611）With rear magnet coil（61）Ventilating opening closing electromagnetic coil assembly；The ventilating opening is opened
Acted on electromagnetic coil assembly and ventilating opening closing with electromagnetic coil assembly by respective extension spring and in contracting when lower electric
The state of returning is so as to avoid interference with the closed cover piece（8）Motion, the double inclined plane top pressure drive block（7）It is interior to be provided with elastic regulation
Device（101）, the slack adjuster（101）Including with the double inclined plane top pressure drive block（7）The elastic electricity being fixedly connected
Machine（103）, slide-and-guide cavity（102）And it is arranged on the slide-and-guide cavity（102）Interior elastic sliding block（106）, institute
State elastic sliding block（106）Bottom and the top pressure spring（79）It is fixedly connected, the slide-and-guide cavity（102）Internal both sides are set
There is guiding groove（107）, the elastic sliding block（106）Two ends are embedded in the guiding groove（107）Interior and end face is provided with roller
（108）, the roller（108）With the guiding groove（107）Roll and be connected, the roller（108）It is described to reduce
Elastic sliding block（106）Slide for a long time and cause abrasion, improve service life, the elastic sliding block（106）Top is installed with pine
Tight screw rod（105）, the elastic screw rod（105）Top is provided with the screw shell that screw thread is connected（104）, the screw shell
（104）Top and the elastic motor（103）Be rotatably assorted connection, the slack adjuster（101）To adjust the top
Pressing spring（79）Elasticity, so as to improve operation stability.
2. a kind of ventilation unit of the greenhouse ventilating opening of abrasionproof as claimed in claim 1, wherein, the ventilating opening closing magnetic
Body component and ventilating opening closing are each described with being each mounted on respective scaling operation component in electromagnetic coil assembly
Scaling operation component includes the preceding wedge block that fore-and-aft direction is provided separately（511）With rear wedge block（51）To respectively with
For magnet coil be connected, the preceding wedge block（511）With rear wedge block（51）Bottom be respectively arranged with preceding attraction
Coil（52）With rear sucking coil（51）To with the wedge-shaped arm operating parts of top pressure（3）On preceding attraction magnet（311）Attract with rear
Magnet（31）Correspond to respectively, the preceding sucking coil（52）With rear sucking coil（51）With ventilating opening closing magnet assembly and logical
It is electric in a corresponding synchronization in air port closing electromagnetic coil assembly, so that by the wedge-shaped arm operating parts of the top pressure（3）Attract
Motion upwards, passes through the wedge-shaped arm operating parts of the top pressure（3）Two wedge-shaped arms respectively with the preceding wedge block（511）With it is rear
Wedge block（51）Effect and cause corresponding electromagnetic coil assembly to overcome respective extension spring to act on and stretched out by top pressure.
3. a kind of operating method of the ventilation unit of the greenhouse ventilating opening of abrasionproof as claimed in claim 1 or 2, when needing to perform
During ventilating opening opening operation, electricity on the ventilating opening opening electromagnetic coil assembly is so as to be in stretching state and attract described close
Close cover piece（8）Slide to the left and cause the roller（84）With the left tilted surface（72）Engagement, afterwards the ventilating opening opening electricity consumption
Electricity under magnetic coil assemblies and in retracted mode, in the double inclined plane top pressure drive block（7）Left tilted surface（72）In the presence of institute
State closed cover piece（8）Open mode is locked in by top pressure；When needing to perform ventilating opening shutoff operation, the ventilating opening, which is closed, to be used
Electricity on electromagnetic coil assembly is so as to be in stretching state and attract the closed cover piece（8）Slide to the right and cause the roller（84）
With the right tilted surface（71）Engagement, afterwards under the ventilating opening closing electromagnetic coil assembly electricity and in retracted mode, in institute
State double inclined plane top pressure drive block（7）Right tilted surface（71）In the presence of the closed cover piece（8）By top pressure locking in off position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859188.4A CN106993484A (en) | 2016-09-29 | 2016-09-29 | The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859188.4A CN106993484A (en) | 2016-09-29 | 2016-09-29 | The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106993484A true CN106993484A (en) | 2017-08-01 |
Family
ID=59431345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610859188.4A Pending CN106993484A (en) | 2016-09-29 | 2016-09-29 | The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106993484A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203943339U (en) * | 2014-05-19 | 2014-11-19 | 合肥永威机械设备有限责任公司 | Dual-purpose universal wheel |
| CN104863438A (en) * | 2014-03-25 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle door handle covering device and vehicle comprising same |
| CN104916983A (en) * | 2015-05-11 | 2015-09-16 | 方星 | Power supply device with dehumidifying function and use method thereof |
| CN204742044U (en) * | 2015-07-24 | 2015-11-11 | 重庆留辉农业有限公司 | Warmhouse booth ventilating fan |
| CN204960556U (en) * | 2015-08-13 | 2016-01-13 | 苏州汇久自动化设备有限公司 | Interconnected lock of explosion -proof pneumatics |
| CN205281884U (en) * | 2015-12-17 | 2016-06-01 | 武汉东湖学院 | Teaching classroom over -and -under type teaching aid clamping device |
-
2016
- 2016-09-29 CN CN201610859188.4A patent/CN106993484A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863438A (en) * | 2014-03-25 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle door handle covering device and vehicle comprising same |
| CN203943339U (en) * | 2014-05-19 | 2014-11-19 | 合肥永威机械设备有限责任公司 | Dual-purpose universal wheel |
| CN104916983A (en) * | 2015-05-11 | 2015-09-16 | 方星 | Power supply device with dehumidifying function and use method thereof |
| CN204742044U (en) * | 2015-07-24 | 2015-11-11 | 重庆留辉农业有限公司 | Warmhouse booth ventilating fan |
| CN204960556U (en) * | 2015-08-13 | 2016-01-13 | 苏州汇久自动化设备有限公司 | Interconnected lock of explosion -proof pneumatics |
| CN205281884U (en) * | 2015-12-17 | 2016-06-01 | 武汉东湖学院 | Teaching classroom over -and -under type teaching aid clamping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106993482A (en) | The ventilation unit and its operating method of a kind of firm greenhouse ventilating opening | |
| CN106993481A (en) | The ventilation unit and its operating method of a kind of convenient greenhouse ventilating opening | |
| CN106764775B (en) | The solar LED street lamp that a kind of orientation is adjustable and protective is high | |
| CN106993484A (en) | The ventilation unit and its operating method of a kind of greenhouse ventilating opening of abrasionproof | |
| CN106993487A (en) | The ventilation unit and its operating method of a kind of easily greenhouse ventilating opening | |
| CN106993488A (en) | A kind of agricultural booth ventilating opening automatic ventilation equipment and its operating method | |
| CN106993490A (en) | A kind of agricultural booth ventilation unit and its operating method for being easy to ventilation | |
| CN106993491A (en) | The ventilation unit and its operating method of a kind of warmhouse booth | |
| CN106993483A (en) | A kind of dust-proof greenhouse ventilation unit and its operating method | |
| CN106993486A (en) | The ventilation unit and its operating method of a kind of greenhouse ventilating opening | |
| CN106993492A (en) | A kind of greenhouse ventilation unit for being easy to divulge information and its operating method | |
| CN106993489A (en) | A kind of plastic greenhouse ventilation unit and its operating method | |
| CN106993485A (en) | The ventilation unit and its operating method of a kind of stable greenhouse ventilating opening | |
| CN106838791B (en) | A kind of solar LED street lamp device of energy-conserving and environment-protective | |
| CN106996170B (en) | A kind of adjustable shade shed device and its operating method for balcony | |
| CN106996177B (en) | A kind of the sunshading shed device and its operating method of balcony | |
| CN106996168B (en) | A kind of scalable awning device and its operating method of balcony | |
| CN207914961U (en) | Automatic dress seal ring assembly | |
| CN207004275U (en) | A kind of window opener based on glass curtain wall | |
| CN106996176B (en) | A kind of the adjustable shade shed device and its operating method of balcony | |
| CN208956530U (en) | A kind of cottage breeding case | |
| CN106996174B (en) | A kind of telescopic balcony awning device and its operating method | |
| CN215816928U (en) | Hidden intelligent low-voltage distribution cabinet | |
| CN108361639A (en) | A kind of intelligent automatic regulated solar energy illuminating light | |
| CN208676082U (en) | A kind of green ecological poultry sunshade |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170801 |
|
| RJ01 | Rejection of invention patent application after publication |