CN210869016U - Central rolling type internal heat preservation device - Google Patents
Central rolling type internal heat preservation device Download PDFInfo
- Publication number
- CN210869016U CN210869016U CN201921331027.3U CN201921331027U CN210869016U CN 210869016 U CN210869016 U CN 210869016U CN 201921331027 U CN201921331027 U CN 201921331027U CN 210869016 U CN210869016 U CN 210869016U
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- Prior art keywords
- heat preservation
- greenhouse
- rope
- pulley
- curtain
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- 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.)
- Withdrawn - After Issue
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- 238000005096 rolling process Methods 0.000 title claims abstract description 92
- 238000004321 preservation Methods 0.000 title claims abstract description 68
- 238000004804 winding Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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Classifications
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- 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
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- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The utility model relates to a central rolling curtain type internal heat preservation device, which comprises a greenhouse main body, wherein mounting frames are arranged above two ends of the greenhouse, two heat preservation quilts are arranged in the greenhouse, a rolling curtain shaft driving device is arranged above the middle inside the greenhouse, a plurality of groups of heat preservation quilt traction devices are arranged above the heat preservation quilts, and a plurality of longitudinal support rollers are arranged on two sides of the greenhouse; the haulage rope and the heat preservation quilt form a closed loop through the rope rolling shaft, the guide pulley, the supporting cylinder, the driven cylinder and the roller shutter shaft, and the haulage rope is taut heat preservation quilt all the time in the roller shutter process, and the heat preservation quilt is favorable for the stability and compactness of the heat preservation quilt roller shutter process. The utility model discloses well haulage rope and heat preservation are formed a closed loop system, at roll up the curtain and the exhibition curtain in-process, possess the function that drags down of pulling all the time, can realize high-efficient completion exhibition curtain fast and roll up the curtain, and the difficulty is packed up to the heat preservation when solving simultaneously and rolling up the curtain, and curtain face unevenness scheduling problem during the exhibition curtain.
Description
Technical Field
The utility model belongs to the greenhouse roller shutter device field, in particular to heat preservation device in center roller shutter formula.
Background
At present, in modern agricultural production, greenhouse facility planting is widely adopted, in order to improve the temperature inside a greenhouse in winter or spring, a thick straw curtain needs to be covered outside the greenhouse, or an arched inner greenhouse is built inside the greenhouse, and the outer surface of the inner greenhouse is covered with heat insulation materials, so that the heat insulation effect is achieved. The outer surface of the greenhouse is covered with the heat insulation material, and when rain and snow weather occurs, the moisture of the heat insulation material can increase the folding and unfolding difficulty of the roller shutter and reduce the heat insulation effect. When adopting interior arch heat preservation, have better heat preservation effect, but the construction cost of the greenhouse that can increase reduces the utilization space in greenhouse, rolls up the curtain in-process and extremely easily appears keeping warm by piling up, and the curtain in-process keeps warm and is moved downwards only by relying on gravity, and the curtain unevenness that opens up reduces heat preservation effect. At present, the labor cost is continuously improved, the land resources are in shortage day by day, and the design of the novel greenhouse internal heat preservation device with high efficiency and stable unfolding curtain has important significance.
Disclosure of Invention
In order to compensate the not enough of above-mentioned prior art, the utility model aims at providing a heat preservation device in curtain formula is rolled up at center, haulage rope and heat preservation are formed a closed loop system in the device, at roll up curtain and exhibition curtain in-process, possess the function that pulls down all the time to the pull-up, can realize high-efficient completion exhibition curtain fast and roll up the curtain, and the difficulty is packed up to heat preservation when solving simultaneously and rolling up the curtain, curtain face unevenness problem during the exhibition curtain.
The utility model discloses a realize through following technical scheme, a heat preservation device in curtain formula is rolled up at center, including the greenhouse main part, the greenhouse main part is the rack structure of vertical bilateral symmetry, and greenhouse both ends top is equipped with the mounting bracket, is equipped with the heat preservation of two symmetries in the greenhouse by I and heat preservation by II, and its technical essential is: a roller shutter shaft driving device is arranged above the middle inside the greenhouse, a plurality of groups of heat preservation quilt traction devices are arranged above the heat preservation quilt, and a plurality of symmetrical longitudinal supporting rollers I and supporting rollers II are arranged on two sides of the greenhouse;
the rolling curtain shaft driving device comprises a motor, the motor is arranged in the middle position, close to the top, of the interior of a greenhouse main body, an output shaft is arranged on the motor, a rope rolling shaft I and a rope rolling shaft II which are parallel to each other are longitudinally arranged below the motor and in the middle of the greenhouse, a driven belt wheel I and a driven belt wheel II are fixedly arranged in the middle of the rope rolling shaft I and the rope rolling shaft II respectively, and two ends of the rope rolling shaft I and two ends of the rope rolling shaft II are fixedly connected with a side belt wheel I and a side belt wheel II; a rolling shaft I and a rolling shaft II are respectively arranged below the rope rolling shaft I and the rope rolling shaft II, two ends of the rolling shaft I and the rolling shaft II are fixedly connected with a side driven wheel I and a side driven wheel II, a heat preservation quilt I and a heat preservation quilt II are respectively fixedly connected to the rolling shaft I and the rolling shaft II, and two ends of the rope rolling shaft I and the rope rolling shaft II, the rolling shaft I and the rolling shaft II are movably connected to the mounting frame;
a main gear is mounted at one end of an output shaft of the motor, a driven gear is rotatably mounted on the motor, the main gear is meshed with the driven gear, a main belt wheel I is fixedly mounted at one end of the driven gear, a main belt wheel II is mounted at the other end of the output shaft of the motor, and the main belt wheel I and the driven belt wheel I, the main belt wheel II and the driven belt wheel II, a side belt wheel I and a side driven wheel I, and a side belt wheel II and a side driven wheel II are respectively connected through synchronous belts;
the heat-preservation quilt traction device comprises a plurality of groups of traction ropes I and II, a plurality of reversing pulleys I and II, a plurality of guide pulleys I and II, and a plurality of groups of traction ropes I and II, wherein the traction ropes I and II are respectively wound on a rope winding shaft I and a rope winding shaft II; the reversing pulley I and the reversing pulley II are respectively arranged below the left side and the right side of the shed frame, and the guide pulley I and the guide pulley II are respectively arranged in the middle of the left side and the right side of the shed frame;
one end of a traction rope I is wound on a rope rolling shaft I, and the main body of the traction rope I passes through a guide pulley I, a reversing pulley I and the outer side of a sliding connection supporting roller I, and one end of the traction rope I is fixedly connected to one end, far away from the rolling shaft I, of a heat preservation quilt I; one end of the traction rope II is wound on the rope rolling shaft II, the main body of the traction rope II is in sliding connection with the outer side of the supporting roller II through the guide pulley II and the reversing pulley II, and one end of the traction rope II is fixedly connected with one end of the heat preservation quilt II, which is far away from the rolling shaft II.
The utility model has the advantages that:
(1) adopt this kind of big-arch shelter to roll up curtain device, haulage rope and heat preservation are formed a closed loop system, at roll up curtain and exhibition curtain in-process, possess the function that drags down of pulling all the time, can realize high-efficient completion exhibition curtain fast and roll up the curtain, and the difficulty is packed up in the heat preservation when solving simultaneously and rolling up the curtain, and the curtain face unevenness scheduling problem during the exhibition curtain.
(2) The automatic rolling and unfolding device is high in efficiency, low in cost, good in safety, suitable for greenhouses of different scales and capable of achieving synchronous rolling and unfolding of curtains on two sides.
Drawings
Fig. 1 is a view showing the curtain-unfolding completion state of the present invention;
FIG. 2 is a view showing the end state of the roller blind of the present invention;
FIG. 3 is a roller blind shaft mapping diagram of the present invention;
FIG. 4 is a partial enlarged view of the driving portion of the present invention;
FIG. 5 is an enlarged view of the driving portion of the present invention;
fig. 6 is a partial enlarged view of the driving roller shutter shaft of the present invention.
In fig. 1-6, the names of the structures are: the greenhouse comprises a greenhouse 1, a mounting frame 2, a heat preservation quilt I3-1, a heat preservation quilt II 3-2, a rolling shaft driving device 4, a heat preservation quilt traction device 5, a support roller I6-1, a support roller II 6-2, a motor 7, a rolling shaft I8-1, a rolling shaft II 8-2, a secondary pulley I9-1, a secondary pulley II 9-2, a side pulley I10-1, a side pulley II 10-2, a rolling shaft I11-1, a rolling shaft II 11-2, a side driven wheel I12-1, a side driven wheel II 12-2, a secondary gear 13, a primary pulley I14-1, a primary pulley II 14-2, a synchronous belt I15-1, a synchronous belt II 15-2, a synchronous belt III 15-3, a synchronous belt IV 15-4, a traction rope I16-1, a traction rope II 16-2, the device comprises a reversing pulley I17-1, a reversing pulley II 17-2, a guide pulley I18-1, a guide pulley II 18-2, a shed frame 19, a support rod 20, an output shaft 21 and a main gear 22.
Detailed Description
Referring to fig. 1 to 6, the specific structure of the present embodiment is: a central roller shutter type internal heat insulation device comprises a greenhouse 1 main body, wherein the greenhouse 1 main body is provided with a bilateral symmetrical shed frame 19 structure, mounting frames 2 are arranged above two ends of the greenhouse, two symmetrical heat insulation quilts I3-1 and II 3-2 are arranged in the greenhouse, a roller shutter shaft driving device 4 is arranged above the middle inside the greenhouse 1, a plurality of groups of heat insulation quilt traction devices 5 are arranged above the heat insulation quilts, and a plurality of symmetrical longitudinal supporting rollers I6-1 and a plurality of symmetrical longitudinal supporting rollers II 6-2 are arranged on two sides of the greenhouse; the supporting roller I6-1 or the supporting roller II 6-2 positioned at the bottommost of the two sides of the greenhouse is arranged on a supporting rod 20, the lower part of the supporting rod 20 is fixedly connected to the ground, and the other supporting rollers I6-1 or the other supporting rollers II 6-2 are rotatably arranged on the side walls or the shed frames 19 at the two ends of the greenhouse;
the rolling shaft driving device 4 comprises a motor 7, the motor 7 is arranged in the middle position, close to the top, of the greenhouse main body, an output shaft 21 is arranged on the motor, a rope rolling shaft I8-1 and a rope rolling shaft II 8-2 which are parallel to each other are longitudinally arranged below the motor 7 and in the middle of the greenhouse 1, a driven belt wheel I9-1 and a driven belt wheel II 9-2 are fixedly arranged in the middle of the rope rolling shaft I8-1 and the rope rolling shaft II 8-2 respectively, and two ends of the rope rolling shaft I8-1 and two ends of the rope rolling shaft II 8-2 are fixedly connected with a side belt wheel I10-1 and a side belt wheel II 10-2 respectively; a rolling shaft I11-1 and a rolling shaft II 11-2 are respectively arranged below the rope rolling shaft I8-1 and the rope rolling shaft II 8-2, both ends of the rolling shaft I11-1 and the rolling shaft II 11-2 are fixedly connected with a side driven wheel I12-1 and a side driven wheel II 12-2, and the rolling shaft I11-1 and the rolling shaft II 11-2 are respectively fixedly connected with one end of a heat preservation quilt I3-1 and one end of a heat preservation quilt II 3-2; two ends of the rope rolling shaft I8-1, the rope rolling shaft II 8-2, the rolling shaft I11-1 and the rolling shaft II 11-2 are movably connected to the mounting frame 2;
a main gear 22 is mounted at one end of an output shaft 21 of the motor 7, a driven gear 13 is rotatably mounted on the motor, the main gear 22 is meshed with the driven gear 13, a main belt pulley I14-1 is fixedly mounted at one end of the driven gear 13, a main belt pulley II 14-2 is mounted at the other end of the output shaft 21 of the motor 7, the main belt pulley I14-1 is connected with a driven belt pulley I9-1 through a synchronous belt I15-1, the main belt pulley II 14-2 is connected with a driven belt pulley II 9-2 through a synchronous belt II 15-2, a side belt pulley I10-1 is connected with a side driven wheel I12-1 through a synchronous belt III 15-3, and a side belt pulley II 10-2 is connected with a side driven wheel II 12-2 through a synchronous belt IV 15;
the heat-preservation traction device 4 comprises a plurality of groups of traction ropes I16-1 and II 16-2 which are respectively wound on a rope winding shaft I8-1 and a rope winding shaft II 8-2, a plurality of reversing pulleys I17-1 and II 17-2, a plurality of guide pulleys I18-1 and II 18-2 which are symmetrically distributed along the longitudinal central line of the greenhouse; the reversing pulley I17-1 and the reversing pulley II 17-2 are respectively arranged below the left side and the right side of the shed frame, and the guide pulley I18-1 and the guide pulley II 18-2 are respectively arranged in the middle of the left side and the right side of the shed frame;
one end of a traction rope I16-1 is fixed and wound on a rope rolling shaft I8-1, the main body of the traction rope I16-1 passes through a guide pulley I18-1, a reversing pulley I17-1 and the outer side of a sliding connection supporting roller I6-1, and the other end of the traction rope I16-1 is fixedly connected to one end, far away from a rolling shaft I11-1, of a heat preservation quilt I3-1; one end of a traction rope II 16-2 is fixed and wound on the rope rolling shaft II 8-2, the main body of the traction rope II 16-2 is connected with the outer side of the supporting roller II 6-2 in a sliding way through a guide pulley II 18-2 and a reversing pulley II 17-2, and the other end of the traction rope II 16-2 is fixedly connected with one end of the heat preservation quilt II 3-2, which is far away from the roller shutter shaft II 11-2.
A plurality of rope grooves can be arranged on the rope winding shaft I8-1 and the rope winding shaft II 8-2, and the traction rope I16-1 and the traction rope II 16-2 can be arranged on the rope grooves.
The utility model discloses a working process:
curtain unfolding: the motor 7 is started, the motor 7 is located in the middle of the interior of the shed frame, the motor 7 transmits power to two ends of an output shaft 21, a main gear 22 is installed at one end of the output shaft 21, a driven gear 13 is rotatably installed on the motor 7, a main belt wheel I14-1 is fixedly installed on the driven gear 13, the main gear 22 and the driven gear 13 are meshed to rotate, and a main belt wheel II 14-2 is installed at the other end of the motor. When the motor 7 rotates anticlockwise, the output shaft of the motor 7 drives the main belt pulley II 14-2 to rotate anticlockwise, the main belt pulley I14-1 rotates clockwise through gear transmission, the main belt pulley I14-1 drives the driven belt pulley I9-1 to rotate clockwise through the synchronous belt I15-1, the driven belt pulley I9-1 is fixedly installed on the rope winding shaft I8-1, the rope winding shaft I8-1 is rotatably installed on the side walls of two sides of the shed frame 10 or the shed frame 19, and the driven belt pulley I9-1 drives the rope winding shaft I8-1 to rotate clockwise. The main belt wheel II 14-2 drives the secondary belt wheel II 9-2 to rotate anticlockwise through the synchronous belt II 15-2, the secondary belt wheel II 9-2 is fixedly installed on the rope winding shaft II 8-2, the rope winding shaft II 8-2 is rotatably installed on the side walls 19 on two sides of the shed frame 10, and the secondary belt wheel II 9-2 drives the rope winding shaft II 8-2 to rotate anticlockwise.
The rope winding shaft I8-1 drives the side belt wheel I10-1 to rotate clockwise, the side driven wheel I12-1 is fixedly mounted on the roller shutter shaft I11-1, the side driven wheel I12-1 is connected with the side belt wheel I10-1 through a synchronous belt III 15-3, the side belt wheel I10-1 drives the side driven wheel I12-1 to rotate clockwise, and the side driven wheel I12-1 drives the roller shutter shaft I11-1 to rotate clockwise. The side belt wheel II 10-2 is fixedly arranged on the rope rolling shaft II 8-2, the rope rolling shaft II 8-2 drives the side belt wheel II 10-2 to rotate anticlockwise, the side driven wheel II 12-2 is fixedly arranged on the curtain rolling shaft II 11-2, the side driven wheel II 12-2 is connected with the side belt wheel II 10-2 through a synchronous belt IV 15-4, the side belt wheel II 10-2 drives the side driven wheel II 12-2 to rotate anticlockwise, and the side driven wheel II 12-2 drives the curtain rolling shaft II 11-2 to rotate anticlockwise.
A plurality of groups of traction ropes I16-1 and II 16-2 are arranged in parallel, one end of each traction rope I16-1 is spirally wound and fixed on a rope winding shaft I8-1, then a main body of each traction rope I16-1 penetrates through a guide pulley I18-1, a reversing pulley I17-1 and a sliding connection supporting roller I6-1, and the other end of each traction rope I16-1 is fixedly arranged on a heat preservation quilt 3; similarly, one end of a traction rope II 16-2 is spirally wound and fixed on a rope winding shaft II 8-2, the main body of the traction rope II 16-2 is connected with the outer side of a supporting roller II 6-2 in a sliding manner through a guide pulley II 18-2 and a reversing pulley II 17-2, and one end of the traction rope II 16-2 is fixedly connected with one end of a heat preservation quilt II 3-2 far away from a rolling shaft II 11-2;
the two sides of the shed frame 19 are fixedly installed on the multiple groups of guide pulleys I18-1 and II 18-2 to guide the hauling ropes, the rope winding shaft I8-1 rotates clockwise to achieve winding of the hauling ropes I16-1, the hauling ropes I16-1 are wound to pull the heat preservation quilt I3-1 to move downwards, the rolling shaft I11-1 rotates clockwise, and the heat preservation quilt I3-1 releases. The rope rolling shaft II 8-2 rotates anticlockwise to achieve winding of the traction rope II 16-2, the traction rope II 16-2 winds to pull the heat preservation quilt II 3-2 to move downwards, the rolling shaft II 11-2 rotates anticlockwise, and the heat preservation quilt II 3-2 releases. The supporting roller I6-1 or the supporting roller II 6-2 can support the heat preservation quilt 3 at the same time. Namely, the motor 7 rotates anticlockwise, the heat preservation quilt I3-1 and the heat preservation quilt II 3-2 both move downwards, and curtain unfolding action is completed. The hauling cable and the heat preservation quilt form a closed loop through the rope rolling shaft, the guide pulley, the supporting cylinder, the driven cylinder and the rolling shaft, and the leveling of the heat preservation quilt unfolding process is facilitated.
Rolling a curtain: when the motor 7 rotates clockwise, the output shaft of the motor 7 drives the main belt pulley II 14-2 to rotate clockwise, the main belt pulley I14-1 rotates anticlockwise through gear transmission, the main belt pulley I14-1 drives the auxiliary belt pulley I9-1 to rotate anticlockwise through a synchronous belt I15-1, the auxiliary belt pulley I9-1 drives the rope winding shaft I8-1 to rotate anticlockwise, and the rope winding shaft I8-1 drives the side belt pulley I10-1 to rotate anticlockwise, so that the rolling shutter shaft I11-1 is driven to rotate anticlockwise; the main belt wheel II 14-2 rotates clockwise to drive the rope rolling shaft II 8-2 to rotate clockwise, the rope rolling shaft II 8-2 drives the side belt wheel II 10-2 to rotate clockwise, so as to drive the roller shutter shaft II 11-2 to rotate clockwise,
the rope rolling shaft I8-1 rotates anticlockwise to release the traction rope I16-1, the rolling shaft I11-1 rotates anticlockwise, and the rolling shaft I11-1 rolls up the heat preservation quilt I3-1. The rope rolling shaft II 8-2 rotates clockwise to release the traction rope II 16-2, the roller shutter shaft II 11-2 rotates clockwise, and the roller shutter shaft II 11-2 rolls up the heat preservation quilt II 3-2. The haulage rope and the heat preservation quilt form a closed loop through the rope rolling shaft, the guide pulley, the supporting cylinder, the driven cylinder and the roller shutter shaft, and the haulage rope is taut heat preservation quilt all the time in the roller shutter process, and the heat preservation quilt is favorable for the stability and compactness of the heat preservation quilt roller shutter process.
Claims (2)
1. The utility model provides a heat preservation device in curtain formula is rolled up at center, includes the greenhouse main part, and greenhouse both ends top is equipped with the mounting bracket, is equipped with two heat preservation quilt, characterized by in the greenhouse: a roller shutter shaft driving device is arranged above the middle inside the greenhouse, a plurality of groups of heat preservation quilt traction devices are arranged above the heat preservation quilt, and a plurality of longitudinal supporting rollers are arranged on two sides of the greenhouse;
the rolling shaft driving device comprises a motor, the motor is arranged in the middle position, close to the top, in the greenhouse main body, an output shaft is arranged on the motor, two parallel rope rolling shafts are longitudinally arranged below the motor and in the middle of the greenhouse, a secondary belt wheel is fixedly arranged between the two rope rolling shafts respectively, and two ends of the two rope rolling shafts are fixedly connected with side belt wheels; two parallel rolling shafts are respectively arranged below the two rope rolling shafts, two ends of each rolling shaft are fixedly connected with side driven wheels, two heat preservation quilts are respectively and fixedly connected to the two rolling shafts, and two ends of each rope rolling shaft and two ends of each rolling shaft are movably connected to the mounting frame;
the output shaft of the motor is provided with a master gear, the motor is rotatably provided with a slave gear, the master gear is meshed with the slave gear, one end of the slave gear is fixedly provided with a master pulley I, the output shaft of the motor is provided with a master pulley II, and the master pulley I and the master pulley II are respectively connected with two slave pulleys, a side pulley and a side slave pulley through synchronous belts;
the heat-preservation traction device comprises a plurality of groups of traction ropes, a plurality of reversing pulleys and a plurality of guide pulleys, wherein the traction ropes are respectively wound on two rope winding shafts; the reversing pulleys are arranged below the left side and the right side of the shed frame, and the guide pulleys are arranged in the middle of the left side and the right side of the shed frame;
one end of the traction rope on each side is wound on the rope rolling shaft, and the traction rope main body is fixedly connected with one end of the heat preservation quilt far away from the rolling shaft through the guide pulley, the reversing pulley, the outer side of the sliding connection supporting roller and one end of the other end.
2. The central rolling type internal thermal insulation device according to claim 1, characterized in that: the heat preservation device is longitudinally symmetrical along the center of the greenhouse and comprises a shed frame structure, two heat preservation quilts, a reversing pulley, a guide pulley, a roller and a heat preservation quilt traction device, wherein the shed frame structure is symmetrical at two longitudinal sides, the reversing pulley, the guide pulley, the roller and the heat preservation quilt traction device are symmetrically distributed along the longitudinal center line of the greenhouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331027.3U CN210869016U (en) | 2019-08-16 | 2019-08-16 | Central rolling type internal heat preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331027.3U CN210869016U (en) | 2019-08-16 | 2019-08-16 | Central rolling type internal heat preservation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210869016U true CN210869016U (en) | 2020-06-30 |
Family
ID=71331702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921331027.3U Withdrawn - After Issue CN210869016U (en) | 2019-08-16 | 2019-08-16 | Central rolling type internal heat preservation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210869016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463484A (en) * | 2019-08-16 | 2019-11-19 | 沈阳农业大学 | A kind of center roller shutter type inner thermal insulation device |
-
2019
- 2019-08-16 CN CN201921331027.3U patent/CN210869016U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110463484A (en) * | 2019-08-16 | 2019-11-19 | 沈阳农业大学 | A kind of center roller shutter type inner thermal insulation device |
| CN110463484B (en) * | 2019-08-16 | 2024-01-26 | 沈阳农业大学 | Center rolling type inner heat preservation device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200630 Effective date of abandoning: 20240126 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200630 Effective date of abandoning: 20240126 |