CN111011055A - Pressing type opening and closing structure agricultural greenhouse framework mounting and fixing device - Google Patents
Pressing type opening and closing structure agricultural greenhouse framework mounting and fixing device Download PDFInfo
- Publication number
- CN111011055A CN111011055A CN201911354085.2A CN201911354085A CN111011055A CN 111011055 A CN111011055 A CN 111011055A CN 201911354085 A CN201911354085 A CN 201911354085A CN 111011055 A CN111011055 A CN 111011055A
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- China
- Prior art keywords
- mounting
- installation
- greenhouse
- hole
- fixing
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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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 49
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 230000002040 relaxant effect Effects 0.000 claims 2
- 238000007790 scraping Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 241000219094 Vitaceae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000021021 grapes Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 235000021012 strawberries Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- A01G9/14—Greenhouses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses an agricultural greenhouse skeleton mounting and fixing device with a pressing type opening and closing structure, which comprises a greenhouse connecting pipe, wherein a greenhouse connecting piece is movably mounted on the greenhouse connecting pipe, a connecting block is fixedly mounted on the greenhouse connecting piece, a transverse connecting hole and a longitudinal connecting hole are reserved on the greenhouse connecting piece, a mounting through hole is fixedly mounted on the greenhouse connecting piece, a loosening clamping block is movably mounted in the mounting through hole, a mounting positioning block is fixedly mounted on the greenhouse connecting pipe, and a fixing clamping hole is movably mounted on the mounting positioning block. This agricultural greenhouse skeleton installation fixing device of structure is opened and close to push type, whole stable in structure, the work of carrying out fixed mounting that can be convenient to reduced the degree of difficulty of work, let the speed of whole work installation faster, improved the efficiency of work, increased crisscross mounting structure, the different mounted position of adaptation that can be better, the better structure that accords with the installation satisfies the requirement of installation use.
Description
Technical Field
The invention relates to the technical field of agricultural greenhouses, in particular to an agricultural greenhouse framework mounting and fixing device with a push type opening and closing structure.
Background
With the generation of high molecular polymers, namely polyvinyl chloride and polyethylene, plastic films are widely applied to agriculture, greenhouses are originally special equipment for vegetable production, and the greenhouses are more widely applied with the development of production, so that the greenhouses are used for pot flower and cut flower cultivation at present; fruit tree production is used for cultivating grapes, strawberries, watermelons, melons, peaches, oranges and the like; the forestry production is used for forest seedling culture, ornamental tree culture and the like; the shed is made up of bamboo and wood rods, cement rods, light steel tubes or pipes through making frame, making vertical columns, pull rods, arch rods and pressure rods, and covering plastic film.
However, in the process of building the agricultural greenhouse in the existing market, the upper end of the cross section of the agricultural greenhouse is mostly of an arc structure in order to increase the irradiation area of sunlight, so that the framework part of the cross section of the agricultural greenhouse is mostly made of two butted arc galvanized steel pipes, and the two butted support pipes are bundled and fixed through steel wires, but the bundled fixed beam support pipes are easy to rust in the greenhouse environment, so that the contact part between the two support pipes is easy to damage, the service life of the agricultural greenhouse is short, and when the agricultural greenhouse is fixedly installed, the whole installation is difficult to work, the installation work is inconvenient, and the work speed and efficiency are reduced.
Disclosure of Invention
The invention aims to provide an agricultural greenhouse framework mounting and fixing device with a press type opening and closing structure, and aims to solve the problems that in the process of building an agricultural greenhouse on the existing market, the upper end of the cross section of the agricultural greenhouse framework mounting and fixing device is mostly of an arc structure in order to increase the irradiation area of sunlight, so that the framework part of the cross section of the agricultural greenhouse framework mounting and fixing device is mostly made of two butted arc galvanized steel pipes, the two butted support pipes are bundled and fixed through steel wires, but the bundled and fixed beam support pipes are easy to rust in the greenhouse environment, the contact part between the two support pipes is easy to damage, the service life is short, the whole mounting work difficulty is high when the agricultural greenhouse framework mounting and fixing device are fixedly mounted, the mounting work is inconvenient, and the work speed and the work efficiency are reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a push type opens and close green house skeleton installation fixing device of structure, includes the big-arch shelter connecting pipe, movable mounting has the big-arch shelter connecting piece on the big-arch shelter connecting pipe, fixed mounting has the connecting block on the big-arch shelter connecting piece, it has horizontal connecting hole and longitudinal connecting hole to reserve on the big-arch shelter connecting piece, fixed mounting has the installation through-hole on the big-arch shelter connecting piece, movable mounting has the relaxation joint piece in the installation through-hole, fixed mounting has the installation locating piece on the big-arch shelter connecting pipe, movable mounting has the fixing clip hole on the installation locating piece, it has.
Preferably, the greenhouse connecting pipe is symmetrically provided with two mutually symmetrical fixing clamp holes and an installation positioning block, and a limiting plate is fixedly installed in the installation positioning block.
Preferably, the greenhouse connecting pipe is internally and movably provided with an elastic sheet which is designed into a concave structure, and the elastic sheet is movably provided with two return springs.
Preferably, the greenhouse connecting piece is designed to be of a cross-shaped structure, and the transverse connecting holes and the longitudinal connecting holes in the greenhouse connecting piece are arranged vertically.
Preferably, loosen the mutual adaptation of the size of joint piece and installation through-hole, and installation through-hole and loosen the joint piece symmetry and be provided with two.
Preferably, two mutually symmetrical fixing plates are fixedly arranged in the loosening clamping block, and a connecting spring is movably arranged on each fixing plate.
Preferably, the mounting through hole is internally and symmetrically provided with two mounting grooves, and the size of the mounting grooves is matched with the size of the loosening clamping blocks.
Preferably, the diameter of the fixing clamp hole is larger than that of the mounting through hole, and the diameter of the mounting through hole is matched with that of the mounting positioning block.
Preferably, the installation locating blocks and the fixing plates are the same in size, and the installation through holes for installing the fixing plates are symmetrically provided with two groups on the greenhouse connecting piece.
Preferably, the mounting and positioning blocks are mutually matched with the positions of the loosening clamping blocks when the greenhouse connecting pipe and the greenhouse connecting piece are mounted.
Compared with the prior art, the invention has the beneficial effects that:
the agricultural greenhouse framework installation fixing device with the pressing type opening and closing structure is additionally provided with the fixing structure capable of being connected in a pressing mode, and when the device is installed, the fixing fixture block can be fixedly installed by pressing the fixing fixture block;
the agricultural greenhouse framework installation fixing device with the pressing type opening and closing structure is additionally provided with the cross-shaped installation structure, can better adapt to different installation positions, better meets the installation structure, and meets the installation and use requirements;
this agricultural greenhouse skeleton installation fixing device of structure is opened and close to push type, whole stable in structure, the work of carrying out fixed mounting that can be convenient to reduced the degree of difficulty of work, let the speed of whole work installation faster, improve the efficiency of work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connector structure according to the present invention;
FIG. 3 is a schematic view of a connecting tube according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the present invention;
FIG. 5 is a schematic view of the internal structure of the connector of the present invention;
FIG. 6 is a schematic view of the internal structure of the connecting tube of the present invention.
In the figure: 1. a greenhouse connecting pipe; 2. greenhouse connecting pieces; 3. connecting blocks; 4. a transverse connecting hole; 5. a longitudinal connecting hole; 6. loosening the clamping block; 7. mounting a through hole; 8. fixing the clamp hole; 9. installing a positioning block; 10. a material pushing plate; 11. a fixing plate; 12. a connecting spring; 13. mounting grooves; 14. a limiting plate; 15. a spring plate; 16. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a device for installing and fixing an agricultural greenhouse skeleton with a press type opening and closing structure comprises a greenhouse connecting pipe 1, a greenhouse connecting piece 2 is movably installed on the greenhouse connecting pipe 1, a connecting block 3 is fixedly installed on the greenhouse connecting piece 2, a transverse connecting hole 4 and a longitudinal connecting hole 5 are reserved on the greenhouse connecting piece 2, an installing through hole 7 is fixedly installed on the greenhouse connecting piece 2, a loosening clamping block 6 is movably installed in the installing through hole 7, an installing positioning block 9 is fixedly installed on the greenhouse connecting pipe 1, a fixing clamping hole 8 is movably installed on the installing positioning block 9, and a pushing plate 10 is fixedly installed in the loosening clamping block 6;
furthermore, the greenhouse connecting pipe 1 is symmetrically provided with two mutually symmetrical fixing clamp holes 8 and an installation positioning block 9, and a limiting plate 14 is fixedly installed in the installation positioning block 9, so that the greenhouse connecting pipe can be installed better;
furthermore, an elastic sheet 15 is movably mounted in the greenhouse connecting pipe 1, the elastic sheet 15 is designed to be of a concave structure, and two return springs 16 are movably mounted on the elastic sheet 15, so that the rebounding work is facilitated;
furthermore, the greenhouse connecting piece 2 is designed to be in a cross-shaped structure, and the transverse connecting holes 4 and the longitudinal connecting holes 5 on the greenhouse connecting piece 2 are arranged vertically to each other, so that better connection can be realized;
furthermore, the dimensions of the loosening clamping block 6 and the mounting through hole 7 are mutually matched, and the two mounting through holes 7 and the two loosening clamping blocks 6 are symmetrically arranged, so that the connection and the mounting are convenient;
furthermore, two fixing plates 11 which are symmetrical to each other are fixedly arranged in the loosening clamping block 6, and a connecting spring 12 is movably arranged on each fixing plate 11, so that the device can be better used;
furthermore, two mounting grooves 13 are symmetrically arranged in the mounting through hole 7, and the sizes of the mounting grooves 13 are matched with the sizes of the loosening clamping blocks 6, so that the connection stability is ensured;
furthermore, the diameter of the fixing clamp hole 8 is larger than that of the mounting through hole 7, and the diameter of the mounting through hole 7 is matched with that of the mounting positioning block 9, so that better fixing can be realized;
furthermore, the mounting positioning blocks 9 and the fixing plates 11 have the same size, and two groups of mounting through holes 7 mounted on the fixing plates 11 are symmetrically arranged on the greenhouse connecting piece 2, so that the mounting stability is ensured;
further, the mounting and positioning block 9 is matched with the clamping block 6 in a loosened position when the greenhouse connecting pipe 1 and the greenhouse connecting piece 2 are mounted, so that the mounting is more stable.
The working principle is as follows: firstly, selecting a proper position to perform fixed installation work on the whole greenhouse, performing connection work through an installation positioning block 9 on a greenhouse connecting pipe 1 and a greenhouse connecting piece 2, after the installation is completed, performing the construction work of the whole greenhouse according to the use requirement, and when the adjustment work is needed, pressing a loosening clamping block 6 on an installation through hole 7, driving a connecting spring 12 in an internal installation groove 13 by a fixing plate 11, deforming and compressing under the action of force, extruding the installation positioning block 9 through the fixing plate 11, and extruding an internal elastic sheet 15 and a reset spring 16 by the installation positioning block 9, so that the connection between the greenhouse connecting pipe 1 and the greenhouse connecting piece 2 is released, the better work is performed, the whole structure is stable, the fixed installation work can be conveniently performed, and the difficulty of the work is reduced, the speed of the whole work installation is faster, and the work efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a structure's green house skeleton installation fixing device is opened and close to push type, includes the big-arch shelter connecting pipe, its characterized in that: movable mounting has the big-arch shelter connecting piece on the big-arch shelter connecting pipe, fixed mounting has the connecting block on the big-arch shelter connecting piece, it has transverse connection hole and longitudinal connection hole to reserve on the big-arch shelter connecting piece, fixed mounting has the installation through-hole on the big-arch shelter connecting piece, movable mounting has the joint piece of relaxing in the installation through-hole, fixed mounting has the installation locating piece on the big-arch shelter connecting pipe, movable mounting has the fixing clip hole on the installation locating piece, it has the scraping wings to relax fixed mounting in the joint.
2. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the greenhouse connecting pipe is symmetrically provided with two mutually symmetrical fixing clamp holes and an installation positioning block, and a limiting plate is fixedly installed in the installation positioning block.
3. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the greenhouse is characterized in that an elastic sheet is movably mounted in the greenhouse connecting pipe, the elastic sheet is of a concave structural design, and two return springs are movably mounted on the elastic sheet.
4. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the greenhouse connecting piece is in a cross-shaped structural design, and the transverse connecting holes and the longitudinal connecting holes in the greenhouse connecting piece are arranged vertically.
5. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: loosen the mutual adaptation of size of joint piece and installation through-hole, and installation through-hole and loosen the joint piece symmetry and be provided with two.
6. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: two mutually symmetrical fixed plates are fixedly arranged in the loosening clamping block, and a connecting spring is movably arranged on each fixed plate.
7. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the downthehole symmetry of installation through is provided with two mounting grooves, and the size of mounting groove and the mutual adaptation of size of relaxing the joint piece.
8. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the diameter of the fixing clamp hole is larger than that of the mounting through hole, and the diameter of the mounting through hole is matched with that of the mounting positioning block.
9. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the installation locating piece is the same with the fixed plate size, and the installation through-hole of fixed plate installation is provided with two sets ofly on the big-arch shelter connecting piece symmetry.
10. The device for installing and fixing the agricultural greenhouse framework with the pressing type opening and closing structure as claimed in claim 1, wherein: the mounting and positioning block is matched with the position of the loosening clamping block when the greenhouse connecting pipe and the greenhouse connecting piece are mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911354085.2A CN111011055A (en) | 2019-12-25 | 2019-12-25 | Pressing type opening and closing structure agricultural greenhouse framework mounting and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911354085.2A CN111011055A (en) | 2019-12-25 | 2019-12-25 | Pressing type opening and closing structure agricultural greenhouse framework mounting and fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111011055A true CN111011055A (en) | 2020-04-17 |
Family
ID=70214636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911354085.2A Pending CN111011055A (en) | 2019-12-25 | 2019-12-25 | Pressing type opening and closing structure agricultural greenhouse framework mounting and fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111011055A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288727Y (en) * | 2008-09-22 | 2009-08-12 | 林峰 | Device for connecting rods |
| CA2664966A1 (en) * | 2008-05-06 | 2009-11-06 | Halia Accessories Inc. | Strand locking mechanism assembly |
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| CN202958319U (en) * | 2012-12-10 | 2013-06-05 | 王登良 | Quick installation framework for agricultural greenhouse |
| CN203252592U (en) * | 2013-03-29 | 2013-10-30 | 广州侨银环保技术有限公司 | Detachable mop |
| CN207211983U (en) * | 2017-08-20 | 2018-04-10 | 东莞市益鼎五金有限公司 | One kind support button locking structure |
| CN207305533U (en) * | 2017-08-08 | 2018-05-04 | 江苏省农业科学院宿迁农科所 | A kind of Simple detachable nursery Small plastic shed |
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| CN208074754U (en) * | 2017-12-25 | 2018-11-09 | 新昌县寅源医疗器械有限公司 | A kind of easy-to-dismount department of cardiovascular surgery LED light |
| CN109729883A (en) * | 2019-01-02 | 2019-05-10 | 上海建森农业温室工程有限公司 | A kind of fixation kit of horizontal, the vertical skeleton connection of greenhouse |
| CN209462956U (en) * | 2019-01-09 | 2019-10-08 | 石屏县华祥农业科技有限责任公司 | A kind of red bayberry directly plucks bar |
-
2019
- 2019-12-25 CN CN201911354085.2A patent/CN111011055A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2664966A1 (en) * | 2008-05-06 | 2009-11-06 | Halia Accessories Inc. | Strand locking mechanism assembly |
| CN201288727Y (en) * | 2008-09-22 | 2009-08-12 | 林峰 | Device for connecting rods |
| CN201701399U (en) * | 2010-05-26 | 2011-01-12 | 常州中进医疗器材有限公司 | Pipe fitting positioning device for wheel chair |
| CN202958319U (en) * | 2012-12-10 | 2013-06-05 | 王登良 | Quick installation framework for agricultural greenhouse |
| CN203252592U (en) * | 2013-03-29 | 2013-10-30 | 广州侨银环保技术有限公司 | Detachable mop |
| CN207339832U (en) * | 2017-07-17 | 2018-05-08 | 河源市信强峰科技有限公司 | A kind of portable wireless intercom |
| CN207305533U (en) * | 2017-08-08 | 2018-05-04 | 江苏省农业科学院宿迁农科所 | A kind of Simple detachable nursery Small plastic shed |
| CN207211983U (en) * | 2017-08-20 | 2018-04-10 | 东莞市益鼎五金有限公司 | One kind support button locking structure |
| CN208074754U (en) * | 2017-12-25 | 2018-11-09 | 新昌县寅源医疗器械有限公司 | A kind of easy-to-dismount department of cardiovascular surgery LED light |
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| CN209462956U (en) * | 2019-01-09 | 2019-10-08 | 石屏县华祥农业科技有限责任公司 | A kind of red bayberry directly plucks bar |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200417 |
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