CN210869013U - Sectional rolling type internal heat insulation retracting device for sunlight greenhouse - Google Patents
Sectional rolling type internal heat insulation retracting device for sunlight greenhouse Download PDFInfo
- Publication number
- CN210869013U CN210869013U CN201921286580.XU CN201921286580U CN210869013U CN 210869013 U CN210869013 U CN 210869013U CN 201921286580 U CN201921286580 U CN 201921286580U CN 210869013 U CN210869013 U CN 210869013U
- Authority
- CN
- China
- Prior art keywords
- heat preservation
- motor
- preservation quilt
- winding shaft
- belt wheel
- 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
Links
Images
Classifications
-
- 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
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to a sectional rolling type internal heat preservation winding and unwinding device for a sunlight greenhouse, which comprises a motor I and a motor II, wherein the motor I drives a rope rolling shaft to rotate through a motor main belt I during curtain unfolding, the rope rolling shaft winds a traction rope, the traction rope pulls a heat preservation quilt II and a heat preservation quilt III wound on an upper rolling shaft to be gradually unfolded, and the heat preservation quilt II and the heat preservation quilt III are unfolded to drive the upper rolling shaft to rotate; the rotation of the rope winding shaft and the upper winding shaft is transmitted through a side main belt, so that the side winding shaft I and the side winding shaft II rotate respectively, the heat preservation quilt I and the heat preservation quilt IV wound on the side winding shaft I and the side winding shaft II are gradually unfolded, and when the heat preservation quilt I, the heat preservation quilt II, the heat preservation quilt III and the heat preservation quilt IV are completely unfolded, the curtain unfolding is realized; rolling a curtain: the motor II is opened, and the motor I is the off-state, and the influence of external factors such as reducible environment of this device is divided four bibliographic categories to a monoblock heat preservation and is reduced the load of the driving shaft of heat preservation quilt in the tradition, improves and receive and release efficiency, and power device transmission performance is good, can realize synchronous drive.
Description
Technical Field
The utility model relates to a sunlight greenhouse heat preservation device, specific sunlight greenhouse segmentation roll curtain formula internal heat preservation winding and unwinding devices.
Background
At present, sunlight greenhouse keeps warm generally through external soft covering material, when needs sunshine shines, carry out covering material's book curtain or expansion through rolling up the curtain device, external heat preservation is waterproof nature relatively poor by the biggest shortcoming, it is big to change the degree of difficulty, difficult maintenance, simultaneously when sleet weather, the outside rainwater of outer covering material or snow load can obstruct the heat preservation and be receive and release, increase the resistance, keep warm by unable book curtain, sunshine can't shine like inside the greenhouse, influence the plant growth in the greenhouse. At present, a heat preservation device is arranged in the stage, the heat preservation quilt and the plastic film form an air layer, and the air has the advantages of small heat transfer coefficient, good heat preservation performance, moderate weight, easiness in rolling and unrolling, good windproof performance and waterproofness, long service life and the like. The defects of the traditional external heat-insulation quilt are overcome to a certain extent by the currently developed internal heat-insulation device, but because the space in the greenhouse is limited and manual operation is not easy, a power device with good transmission performance is urgently needed to complete the work of rolling and unfolding the curtain.
Disclosure of Invention
In order to compensate the deficiency of the prior art, the utility model aims at providing a sunlight greenhouse segmentation is rolled up heat preservation winding and unwinding devices in curtain formula, this power device transmission performance is good, can realize synchronous drive, improves and receive and unwind efficiency, and occupation space has reduced sunshine and has sheltered from the area simultaneously down.
The utility model aims at realizing the following technical proposal that the sectional rolling type internal heat preservation retraction device of the sunlight greenhouse comprises a greenhouse, a heat preservation quilt I, a heat preservation quilt II, a heat preservation quilt III and a heat preservation quilt IV; the heat preservation quilt I and the heat preservation quilt IV are symmetrically arranged at two sides of the greenhouse 1, and the heat preservation quilt II and the heat preservation quilt III are symmetrically arranged in the longitudinal direction of the greenhouse; a motor I and a motor II are arranged in the middle of two sides of the greenhouse 1, and a motor main shaft I on the motor I and a motor main shaft II on the motor II are respectively connected to a motor driving belt wheel I and a motor driving belt wheel II through clutches; a rope winding shaft and an upper scroll are respectively arranged below the motor I and the motor II, and a motor driven belt wheel I and a motor driven belt wheel II are respectively arranged between the rope winding shaft and the upper scroll; main belts are arranged between the motor driving belt wheel I and the motor driven belt wheel I and between the motor driving belt wheel II and the motor driven belt wheel II;
a side reel I and a side reel II are respectively arranged below the rope winding shaft and the upper reel, two ends of the side reel I and the side reel II are respectively provided with a side driven belt wheel I and a side driven belt wheel II, two ends of the rope winding shaft 4 and the upper reel are respectively provided with a side main belt wheel I and a side main belt wheel II, and a side main belt I and a side main belt II are respectively arranged between the side driven belt wheel I and the side main belt wheel I and between the side driven belt wheel II and the side main belt wheel II;
one end of a plurality of hauling ropes is fixedly connected to the rope winding shaft, the other end of each hauling rope is fixedly connected with one end of a heat preservation quilt II or a heat preservation quilt III, the other end of the heat preservation quilt II or the heat preservation quilt III is fixedly connected to the upper winding shaft, a plurality of supporting rods are arranged between the rope winding shaft and the upper winding shaft, the supporting rods are arranged below the hauling ropes and the heat preservation quilt II or the heat preservation quilt III, and one ends of the heat preservation quilt I and the heat preservation quilt IV are respectively and fixedly connected to the side winding shaft I and the side winding shaft II;
side supporting cylinders are arranged below the heat preservation quilt I and the heat preservation quilt IV on the two side surfaces, a plurality of groups of guide rods are longitudinally arranged below the side supporting cylinders, and the inclination angles of the guide rods II and the ground are 60 degrees.
The use method of the device comprises the following steps:
curtain unfolding: the motor I is started, the motor II is in a closed state, the motor I drives the rope winding shaft to rotate through the motor main belt I, the rope winding shaft winds the traction rope, the traction rope pulls the heat preservation quilt II and the heat preservation quilt III wound on the upper scroll to be gradually unfolded, and the heat preservation quilt II and the heat preservation quilt III are unfolded to drive the upper scroll to rotate; meanwhile, the rotation of the rope winding shaft and the upper winding shaft is transmitted through a side main belt, so that the side winding shaft I and the side winding shaft II rotate respectively, the heat preservation quilt I and the heat preservation quilt IV wound on the side winding shaft I and the side winding shaft II are gradually unfolded, after the heat preservation quilt I, the heat preservation quilt II, the heat preservation quilt III and the heat preservation quilt IV are completely unfolded, the motor I is closed, and the curtain unfolding is finished;
rolling a curtain: motor II opens, motor I is the closed condition, motor II makes the upper scroll rotate through the transmission of motor owner belt, the direction of rotation of upper scroll is opposite with the rotation direction of exhibition curtain process, make the heat preservation that links on the upper scroll by II with keep warm by III roll up gradually, keep warm by II with keep warm by III roll up pulling haulage rope, and then make the serving rotate, the rotation of serving and upper scroll makes side scroll I and side scroll II rotate respectively through the side owner area simultaneously, and then make the heat preservation that one end was fixed on side scroll I be rolled up by IV by I with the heat preservation on the side scroll II gradually, by I when keeping warm, keep warm by II, keep warm by III and keep warm by IV pack up the back completely, motor II closes, roll up the curtain and end.
The utility model has the advantages that: the influence of external factors such as environment is reduced, the load of a driving shaft of the traditional internal heat preservation quilt is reduced by dividing a whole heat preservation quilt into three parts, the folding and unfolding efficiency is improved, the transmission performance of the power device is good, and synchronous transmission can be realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a partial enlarged view A of the present invention;
FIG. 4 is a partial enlarged view B of the present invention;
fig. 5 is a partial enlarged view C of the present invention;
FIG. 6 is a partial enlarged view D of the present invention;
fig. 7 is a schematic diagram of the clutch structure.
In fig. 1-7, the names of the structures are: the greenhouse comprises a greenhouse 1, a motor I2-1, a motor II 2-2, a heat preservation quilt I3-1, a heat preservation quilt II 3-2, a heat preservation quilt III 3-3, a heat preservation quilt IV 3-4, a rope winding shaft 4, a support rod 5, a traction rope 6, an upper winding shaft 7, a side winding shaft I8-1, a side winding shaft II 8-2, a motor driving pulley I10-1, a motor driving pulley II 10-2, a motor main belt I11-1, a motor main belt II 11-2, a motor driven pulley I12-1, a motor driven pulley II 12-2, a motor main shaft I14-1, a motor main shaft II 14-2, a clutch 15, a side main pulley I17-1, a side main pulley II 17-2, a side main belt I18-1, a side main belt II 18-2, a side driven pulley I19-1, a side driven pulley II 19-2, a yoke assembly 20; a baffle plate assembly 21; armature assembly 22, bearing 23.
Detailed Description
Referring to fig. 1 to 7, the specific structure of the present embodiment is: a sectional rolling type internal heat insulation retracting device of a sunlight greenhouse comprises a greenhouse 1, a heat insulation quilt I3-1, a heat insulation quilt II 3-2, a heat insulation quilt III 3-3 and a heat insulation quilt IV 3-4; the heat preservation quilt I3-1 and the heat preservation quilt IV 3-4 are symmetrically arranged at two sides of the greenhouse 1, and the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 are symmetrically arranged in the longitudinal direction of the greenhouse 1; a motor I2-1 and a motor II 2-2 are arranged on a framework in the middle of two sides of a greenhouse 1, the motor I2-1 and the motor II 2-2 are arranged at the same height, a motor main shaft I14-1 on the motor I2-1 is connected to a motor driving belt pulley I10-1 through a clutch 15, and a motor main shaft II 14-2 on the motor II 2-2 is connected to a motor driving belt pulley II 10-2 through the clutch 15; a rope winding shaft 4 and an upper winding shaft 7 are respectively arranged below the motor I2-1 and the motor II 2-2, and a motor driven belt wheel I12-1 and a motor driven belt wheel II 12-2 are respectively arranged between the rope winding shaft 4 and the upper winding shaft 7; a motor main belt I11-1 is arranged between the motor driving belt wheel I10-1 and the motor driven belt wheel I12-1, a motor main belt II 11-2 is arranged between the motor driving belt wheel II 10-2 and the motor driven belt wheel II 12-2, namely the motor I2-1 and the rope winding shaft 4 are driven by the motor main belt I11-1, and the motor II 2-2 and the upper winding shaft 7 are driven by the motor main belt II 11-2;
a side reel I8-1 and a side reel II 8-2 are respectively arranged below the rope winding shaft 4 and the upper reel 7, two ends of the side reel I8-1 and the side reel II 8-2 are respectively provided with a side driven belt wheel I19-1 and a side driven belt wheel II 19-2, two ends of the rope winding shaft 4 and the upper reel 7 are respectively provided with a side main belt wheel I17-1 and a side main belt wheel II 17-2, a side main belt I18-1 is arranged between the side driven belt wheel I19-1 and the side main belt wheel I17-1, and a side main belt II 18-2 is arranged between the side driven belt wheel II 19-2 and the side main belt wheel II 17-2; namely, the rope winding shaft 4 and the side winding shaft I8-1 are driven by a side main belt I18-1, and the upper winding shaft 7 and the side winding shaft II 8-2 are driven by a side main belt II 18-2;
one end of a plurality of hauling ropes 6 is fixedly connected to the rope winding shaft 4, the other end of each hauling rope 6 is fixedly connected with one end of a heat preservation quilt II 3-2 or a heat preservation quilt III 3-3, the other end of the heat preservation quilt II 3-2 or the heat preservation quilt III 3-3 is fixedly connected to the upper winding shaft 7, a plurality of longitudinal supporting rods 5 are arranged between the rope winding shaft 4 and the upper winding shaft 7, the supporting rods 5 are arranged below the hauling ropes 6 and the heat preservation quilt II 3-2 or the heat preservation quilt III 3-3, two ends of each supporting rod 5 are fixedly installed at two longitudinal ends of the greenhouse 1 respectively, and one end of the heat preservation quilt I3-1 and one end of the heat preservation quilt IV 3-4 are fixedly connected to the side winding shaft I8-1 and the side winding shaft II 8.
The motor driving pulley I10-1 and the motor driving pulley II 10-2 are respectively connected with a motor I2-1 and a motor II 2-2 through a clutch 15, the clutch 15 realizes that a motor spindle I14-1 and the motor driving pulley I10-1 and a spindle II 14-2 are separated from and closed with the driving pulley II 10-2, the clutch 15 is an electromagnetic clutch (model ZM-E of Toguan Ming mechanical fittings Co., Ltd.), the clutch 15 comprises a magnet yoke component 20, a baffle component 21 and an armature component 22, the magnet yoke component 20 is fixedly connected to the motor spindle II 10-2 through a flat key, the armature component 22 is fixedly connected to the driving pulley I10-1 or the driving pulley II 10-2, and the driving pulley I10-1 and the driving pulley II 10-2 are respectively installed on the motor spindle I14-1 and the motor spindle II 14-2 through a bearing 23 When the clutch 15 is electrified, the magnetic yoke component 20 generates magnetic force to attract the armature component 22 to be closed through the baffle component 21, so that the motor main shaft I14-1 and the motor driving pulley I10-1 as well as the main shaft II 14-2 and the driving pulley II 10-2 rotate coaxially; similarly, when the power is off, the motor main shaft I14-1 and the motor driving pulley I10-1, and the main shaft II 14-2 and the driving pulley II 10-2 cannot rotate coaxially.
When the motor I2-1 is in an open state and the motor II 2-2 is in a closed state, the motor main shaft I14-1 rotates, the clutch 15 at the position of the motor main shaft I14-1 realizes that the motor main shaft I14-1 is connected with the motor driving pulley I10-1, the motor main belt I11-1 can be driven to drive the rope winding shaft 4 to rotate, the rope winding shaft 4 is driven by the upper winding shaft 7 to rotate through the traction rope 6 and the heat preservation layer II 3-2 or the heat preservation layer III 3-3, the upper winding shaft 7 drives the motor driving pulley II 10-2 to rotate through the motor main belt II 11-2, the clutch 15 at the position of the motor main shaft II 14-2 realizes that the motor main shaft II 14-2 is separated from the motor main shaft II 14-2, the motor driving pulley II 10-2 cannot drive the motor main shaft II 14-2 to rotate, and similarly when the motor I2-1 is in a, when the motor II 2-2 is in an open state, the motor driving belt wheel I10-1 cannot drive the motor spindle I14-1 to rotate; that is, when one motor works, the rotation of the main shaft of the motor cannot drive the main shaft of the other motor to overturn, so that the damage of the motor is caused.
Longitudinal side supporting cylinders I20-1 and II 20-2 are respectively arranged below the heat preservation quilt I3-1 and the heat preservation quilt IV 3-4 on two side surfaces, a plurality of groups of guide rods I21-1 are longitudinally arranged on the side supporting cylinders I20-1, one end of each guide rod I21-1 is fixed on the side supporting cylinder I20-1, the other end of each guide rod I21-1 is fixed on the ground, and the included angle between each guide rod I21-1 and the ground is 60 degrees; a plurality of groups of guide rods II 21-2 are longitudinally arranged on the side supporting cylinder II 20-2, one end of each guide rod II 21-2 is fixed on the side supporting cylinder II 20-2, the other end of each guide rod II 21-2 is fixed on the ground, and the included angle between each guide rod II 21-2 and the ground is 60 degrees; so that the bottom of the heat preservation quilt can move downwards or upwards along the path formed by the guide rod I21-1 or the guide rod II 21-2.
The use method of the device comprises the following steps:
curtain unfolding: the motor I2-1 is started, the motor II 2-2 is in a closed state, the motor I2-1 drives the rope winding shaft 4 to rotate through the motor main belt I11-1, the rope winding shaft 4 winds the traction rope 6, the traction rope 6 pulls the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 wound on the upper winding shaft 7 to be gradually unfolded, and the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 are unfolded to drive the upper winding shaft 7 to rotate; meanwhile, the rotation of the rope winding shaft 4 and the upper winding shaft 7 is transmitted through the side main belt I18-1 and the side main belt II 18-2, so that the side winding shaft I8-1 and the side winding shaft II 8-2 rotate respectively, the heat preservation quilt I3-1 and the heat preservation quilt IV 3-4 wound on the side winding shaft I8-1 and the side winding shaft II 8-2 are gradually unfolded, in the process, the supporting rod 5 mainly plays a role in sharing the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3, and the heat preservation quilt I3-1 and the heat preservation quilt IV 3-4 are unfolded downwards along the guide rod by means of gravity; when the heat preservation quilt I3-1, the heat preservation quilt II 3-2, the heat preservation quilt III 3-3 and the heat preservation quilt IV 3-4 are completely unfolded, the motor I2-1 is closed, and the curtain unfolding is finished;
rolling a curtain: the motor II 2-2 is started, the motor I2-1 is in a closed state, the motor II 2-2 drives the upper winding shaft 7 to rotate through the motor main belt II 11-2, the rotating direction of the upper winding shaft 7 is opposite to the rotating direction in the curtain unfolding process, so that the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 connected to the upper winding shaft 7 are gradually wound up, the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 are wound up to pull the traction rope 6, the rope winding shaft 4 is further rotated, meanwhile, the rope winding shaft 4 and the upper winding shaft 7 rotate to respectively drive the side winding shaft I8-1 and the side winding shaft II 8-2 to rotate through the side main belt I18-1 and the side main belt II 18-2, and further, the heat preservation quilt I3-1 and the heat preservation quilt IV 3-4 with one end fixed on the side winding shaft I8-1 are gradually wound up through the side main belt I3-1 and the side winding shaft II 8, in the process, the support rod 5 is mainly used for keeping the position of the traction rope 6, excessive deviation of the position of the traction rope 6 in the rolling process is avoided, meanwhile, the traction rope 6 can play a dragging effect, the flatness of the heat preservation quilt II 3-2 and the heat preservation quilt III 3-3 rolling curtains is achieved, when the heat preservation quilt I3-1, the heat preservation quilt II 3-2, the heat preservation quilt III 3-3 and the heat preservation quilt IV 3-4 are completely retracted, the motor II 2-2 is closed, and the rolling is finished.
Claims (2)
1. The utility model provides a sunlight greenhouse segmentation roll curtain formula internal insulation winding and unwinding devices, includes the greenhouse, keeps warm by I, keeps warm by II, keeps warm by III, keeps warm by IV, characterized by: the heat preservation quilt I and the heat preservation quilt IV are symmetrically arranged at two sides of the greenhouse, and the heat preservation quilt II and the heat preservation quilt III are symmetrically arranged in the longitudinal direction of the greenhouse; a motor I and a motor II are arranged in the middle of two sides of the greenhouse, and a motor main shaft I on the motor I and a motor main shaft II on the motor II are respectively connected to a motor driving belt wheel I and a motor driving belt wheel II through clutches;
a rope winding shaft and an upper scroll are respectively arranged below the motor I and the motor II, and a motor driven belt wheel I and a motor driven belt wheel II are respectively arranged between the rope winding shaft and the upper scroll; main belts are arranged between the motor driving belt wheel I and the motor driven belt wheel I and between the motor driving belt wheel II and the motor driven belt wheel II;
a side reel I and a side reel II are respectively arranged below the rope winding shaft and the upper reel, two ends of the side reel I and the side reel II are respectively provided with a side driven belt wheel I and a side driven belt wheel II, two ends of the rope winding shaft and the upper reel are respectively provided with a side main belt wheel I and a side main belt wheel II, and a side main belt I and a side main belt II are respectively arranged between the side driven belt wheel I and the side main belt wheel I and between the side driven belt wheel II and the side main belt wheel II;
one end of a plurality of hauling ropes is fixedly connected to the rope winding shaft, the other end of each hauling rope is fixedly connected with one end of a heat preservation quilt II or a heat preservation quilt III, the other end of the heat preservation quilt II or the heat preservation quilt III is fixedly connected to the upper winding shaft, a plurality of supporting rods are arranged between the rope winding shaft and the upper winding shaft, the supporting rods are arranged below the hauling ropes and the heat preservation quilt II or the heat preservation quilt III, and one ends of the heat preservation quilt I and the heat preservation quilt IV are respectively and fixedly connected to the side winding shaft I and the side winding shaft II;
side supporting cylinders are arranged below the heat preservation quilt I and the heat preservation quilt IV on two side surfaces, a plurality of groups of guide rods I (21-1) or II (21-2) are longitudinally arranged below the side supporting cylinders, and the inclination angles of the guide rods I (21-1) or II (21-2) and the ground are 60 degrees.
2. The sectional rolling type internal heat insulation retracting device of the sunlight greenhouse as claimed in claim 1, which is characterized in that: the clutch is an electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286580.XU CN210869013U (en) | 2019-08-09 | 2019-08-09 | Sectional rolling type internal heat insulation retracting device for sunlight greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286580.XU CN210869013U (en) | 2019-08-09 | 2019-08-09 | Sectional rolling type internal heat insulation retracting device for sunlight greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210869013U true CN210869013U (en) | 2020-06-30 |
Family
ID=71329693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286580.XU Active CN210869013U (en) | 2019-08-09 | 2019-08-09 | Sectional rolling type internal heat insulation retracting device for sunlight greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210869013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463479A (en) * | 2019-08-09 | 2019-11-19 | 沈阳农业大学 | A kind of heliogreenhouse sectional rolling formula inside holding draw off gear |
-
2019
- 2019-08-09 CN CN201921286580.XU patent/CN210869013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463479A (en) * | 2019-08-09 | 2019-11-19 | 沈阳农业大学 | A kind of heliogreenhouse sectional rolling formula inside holding draw off gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110463479A (en) | A kind of heliogreenhouse sectional rolling formula inside holding draw off gear | |
| CN210869013U (en) | Sectional rolling type internal heat insulation retracting device for sunlight greenhouse | |
| CN111527945A (en) | Novel greenhouse curtain system | |
| CN202617832U (en) | Movable-type sunlight greenhouse two-layer curtain system | |
| CN205884187U (en) | A greenhouse that is used for interior heat preservation solar shading system of multistage formula in greenhouse and contains this system | |
| WO2019223708A1 (en) | Roller blind that freely opens/closes up and down | |
| CN212911005U (en) | Dual-motor-driven heat preservation quilt horizontal winding and unwinding device | |
| CN202242912U (en) | Telescopic rolling blind sun-shading device for automobile | |
| CN201563440U (en) | Insulated device in greenhouse | |
| CN210869016U (en) | Central rolling type internal heat preservation device | |
| CN110463482B (en) | Three-section folding internal heat preservation device of sunlight greenhouse | |
| CN210869018U (en) | Three-section folding type internal heat insulation device for sunlight greenhouse | |
| CN2475275Y (en) | Slip-way type foldable canopy | |
| CN105620246B (en) | Covering umbrella | |
| CN210869015U (en) | Symmetrical lower folding type greenhouse internal heat insulation device | |
| CN209686736U (en) | Air space curtain can be rolled up and more air space thermal technologies can be rolled up and go along with sb. to guard him curtain structure | |
| CN210869014U (en) | Novel folding plug-type solar greenhouse internal heat preservation device | |
| CN106741620A (en) | A kind of water recreation vehicle foldable lifting sunshade device | |
| CN201439384U (en) | Expansion mechanism of totally closed rain tent for mobile aircraft landing stair | |
| CN201802096U (en) | Invisible garage | |
| CN1136376C (en) | Making process of rotation shaft regulated venetian blinds | |
| CN220308159U (en) | Earthworm moisturizing breeding pond based on breeding waste | |
| CN211370220U (en) | Electric roller shutter awning and built-in electric roller shutter awning hollow glass | |
| CN109707121A (en) | Air space curtain can be rolled up and more air space thermal technologies can be rolled up and go along with sb. to guard him curtain structure | |
| CN2426910Y (en) | Revolving-axis regulating venetian blinds |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |