CN111223378B - Garden design learns sand table teaching aid - Google Patents
Garden design learns sand table teaching aid Download PDFInfo
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- CN111223378B CN111223378B CN201911231237.XA CN201911231237A CN111223378B CN 111223378 B CN111223378 B CN 111223378B CN 201911231237 A CN201911231237 A CN 201911231237A CN 111223378 B CN111223378 B CN 111223378B
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- sand table
- sliding
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- groove
- teaching aid
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- 239000004576 sand Substances 0.000 title claims abstract description 165
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 230000003139 buffering effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention discloses a garden design science sand table teaching aid, which comprises: the supporting cabinet body is internally provided with a containing frame; the sand table comprises a fixed sand table, wherein the bottom of the fixed sand table is fixed to the top of the supporting cabinet body, two sliding grooves are formed in the fixed sand table, four top limiting grooves are formed in the top of the fixed sand table, a sand table platform and a sliding supporting assembly are arranged at the top of the fixed sand table, and the sliding supporting assembly is arranged in the sliding grooves. This garden design learns sand table teaching aid reduces the selective purchase cost of sand table teaching aid for garden design and the required space that occupies when idle, increases the operable scope and the space of sand table, improves the result of use of sand table, realizes that a disc many people use simultaneously, required great space volume when can satisfying great garden design simultaneously provides sufficient design space for the designer to make things convenient for the teaching and the design of sand table.
Description
Technical Field
The invention relates to the technical field of sand table teaching aids, in particular to a garden design learning sand table teaching aid.
Background
In the course teaching practice in gardens, it still can't reach anticipated effect far away through the teaching personnel explanation alone, the popularization of single knowledge can't provide comparatively ripe design theory and design head end for the learner, therefore, need increase the practice and the design theory training of keeping away from the design scholar with the help of some teaching aids, the gardens design is as the emerging service industry of growth potentiality, in order to cultivate the talent in gardens design field, make it possess stronger practice operation ability and innovation ability, it is necessary to design a gardens design science sand table teaching aid.
In prior art, current gardens teaching sand table teaching aid is mostly single fixed structure, and the space of sand table can't be according to the demand of using, and a sand table can only hold one and operate and train, when many people need use the sand table simultaneously, then need the shopping a plurality of sand tables to deposit to the required space is great is deposited to the multiunit sand table, makes idle sand table occupy a large amount of teaching space.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a garden design learning sand table teaching aid, which solves the problem that a fixed sand table cannot be used for adjusting space.
In order to achieve the purpose, the invention is realized by the following technical scheme: a garden design science sand table teaching aid includes: the supporting cabinet body is internally provided with a containing frame; the bottom of the fixed sand table is fixed to the top of the supporting cabinet body, two sliding grooves are formed in the fixed sand table, four top limiting grooves are formed in the top of the fixed sand table, and a sand table platform is arranged at the top of the fixed sand table; the sliding support assembly is arranged inside the sliding groove and comprises a sliding ring, and a support rod is fixedly connected to one side of the sliding ring; the connecting frame is fixed on the sliding support assembly, a lifting groove is formed in the connecting frame, a connecting hole is formed in the right side of the lifting groove and located in the connecting frame, and an accommodating groove is formed in the right side of the connecting frame; the two limiting support blocks are respectively fixed on two sides of the fixed sand table, and bottom limiting grooves are formed in the limiting support blocks; the extension subassembly, the extension subassembly set up in go up and down the groove with on the connecting hole, the extension subassembly includes the sliding block, two connecting axles of the right side fixedly connected with of sliding block, two be parallel to each other between the connecting axle to sand table is adjusted to fixedly connected with on two connecting axles, the standing groove has been seted up at the top of adjusting the sand table to the mounting groove has been seted up to the inside of adjusting the sand table, the bottom of adjusting the sand table has seted up the support groove.
Through being provided with two regulation sand tables that can two-way regulation, the space that the convenience was put the sand table is adjusted, can provide the space that the sand table was put for many students simultaneously when two regulation sand tables at top expand, reduce the shopping cost of sand table teaching aid for the garden design and the required space that occupies when idle, increase the operable scope and the space of sand table, improve the result of use of sand table, realize that many people use simultaneously, required great space volume when can satisfying great garden design simultaneously, provide sufficient design space for the designer, thereby make things convenient for the teaching and the design of sand table.
Adjust the sand table and all adopt the magnetic plate sand table that has the magnetic attraction effect with fixed sand table, can be applicable to the sand table teaching mould for the garden design who has the magnetite, improve the stability that the magnetic mold settled on the sand table, compare directly not placing on the sand table with the mould of any restriction effect, be connected between magnetic plate and the magnetic mold have adsorption affinity and adhesive force more, make things convenient for putting of mould, reduce the possibility that the mould emptys.
Further, hold the frame and be the grid structure, the outside of the supporting cabinet body is provided with two hinge windows.
The person of facilitating the use deposits different kinds of moulds for sand table to in the storage of carrying out classification, convenient classification takes when conveniently storing.
Further, the surface of the sliding ring is connected with the inner surface of the sliding groove in a sliding mode, one end, far away from the sliding ring, of the supporting rod passes through the inside of the sliding groove and extends to the outside of the fixed sand table, and a connecting block is fixedly connected to one end, extending to the outside of the fixed sand table, of the supporting rod.
Furthermore, the cross section of the supporting groove is of a semicircular structure, the semicircular structure of the supporting groove is one half of the circular cross section of the supporting rod, and the bottom of the adjusting sand table is fixedly connected with two limiting assemblies.
Further, spacing subassembly includes spacing axle, the top of spacing axle with the bottom fixed connection of adjusting the sand table to the buffering lantern ring has been cup jointed to the bottom on spacing axle surface, the buffering lantern ring is the rubber materials preparation.
Furthermore, a magnetic plate is arranged inside the mounting groove, the magnetic plate structure identical to that of the adjusting sand table is arranged inside the fixing sand table, and a push-pull handrail is fixedly connected to the top of the adjusting sand table.
Furthermore, the sliding support assemblies are provided with two groups, the two groups of sliding support assemblies are respectively arranged on the inner sides of the two sliding grooves, and the two groups of sliding support assemblies are connected in the same structure.
Furthermore, the connecting frames are provided with two groups, the two groups of connecting frames are symmetrically distributed on the two sliding support assemblies, and the two connecting frames are provided with one adjusting sand table and a corresponding connecting structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) this garden design science sand table teaching aid, but through being provided with two regulation sand tables of two-way regulation, the space that the sand table was put is conveniently adjusted, can provide the space that the sand table was put for many students simultaneously when two regulation sand tables at top expand, reduce the shopping cost of sand table teaching aid for the garden design and the required space that occupies when idle, increase operable scope and space of sand table, improve the benefit of using of sand table, realize that a many people use simultaneously, required great space volume when can satisfying great garden design simultaneously, provide sufficient design space for the designer, thereby make things convenient for the teaching and the design of sand table.
(2) This garden design learns sand table teaching aid, all adopt the magnetic plate sand table that has the magnetic attraction effect through adjusting the sand table with fixed sand table, can be applicable to the sand table teaching mould for garden design who has the magnetite, improve the stability that the magnetic mold settled on the sand table, compare directly not placing on the sand table of any restriction effect with the mould, be connected between magnetic plate and the magnetic mold have adsorption affinity and adhesive force more, make things convenient for putting of mould, reduce the possibility that the mould emptys.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is an enlarged view of the point B shown in FIG. 1;
FIG. 4 is a schematic structural view of the sand table adjusting portion shown in FIG. 1;
FIG. 5 is a top view of the fixed sand table shown in FIG. 1;
fig. 6 is a schematic structural diagram of adjusting the opening state of the sand table according to the present invention.
In the figure: 1-supporting cabinet body, 11-containing frame, 2-fixed sand table, 21-sliding groove, 22-top limiting groove, 23-sand table platform, 3-sliding supporting component, 31-sliding ring, 32-supporting rod, 33-connecting block, 4-connecting frame, 41-lifting groove, 42-connecting hole, 43-containing groove, 5-limiting supporting block, 51-bottom limiting groove, 6-expanding component, 61-sliding block, 62-connecting shaft, 63-adjusting sand table, 631-placing groove, 632-installing groove, 633-supporting groove, 7-limiting component, 71-limiting shaft, 72-buffer lantern ring, 8-magnetic plate and 9-push-pull handrail.
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 garden design science sand table teaching aid includes: the cabinet body 1 is supported, and a containing frame 11 is arranged inside the supporting cabinet body 1; the bottom of the fixed sand table 2 is fixed to the top of the supporting cabinet body 1, two sliding grooves 21 are formed in the fixed sand table 2, four top limiting grooves 22 are formed in the top of the fixed sand table 2, and a sand table platform 23 is arranged at the top of the fixed sand table 2; the sliding support assembly 3 is arranged inside the sliding groove 21, the sliding support assembly 3 comprises a sliding ring 31, and a support rod 32 is fixedly connected to one side of the sliding ring 31; the connecting frame 4 is fixed on the sliding support assembly 3, a lifting groove 41 is formed in the connecting frame 4, a connecting hole 42 is formed in the right side of the lifting groove 41 and located in the connecting frame 4, and an accommodating groove 43 is formed in the right side of the connecting frame 4; the two limit supporting blocks 5 are respectively fixed on two sides of the fixed sand table 2, and bottom limit grooves 51 are formed in the limit supporting blocks 5; and the expansion assembly 6 is arranged on the lifting groove 41 and the connecting hole 42.
Through being provided with two regulation sand tables 63 that can two-way regulation, the space that the sand table was put is conveniently adjusted, can provide the space that the sand table was put for many students simultaneously when two regulation sand tables 63 at top expand, reduce the shopping cost of sand table teaching aid for the garden design and the required space that occupies when idle, increase the operable scope and the space of sand table, improve the result of use of sand table, realize many people and use simultaneously, required great space volume when the while can satisfy great garden design, provide sufficient design space for the designer, thereby make things convenient for the teaching and the design of sand table.
Adjust sand table 63 and all adopt the 8 sand tables of magnetic plate that have the magnetic attraction effect with fixed sand table 2, can be applicable to the sand table teaching aid utensil for the garden design who has the magnetite, improve the stability that the magnetic mold settled on the sand table, compare and directly do not have placing of any restriction effect with the mould on the sand table, be connected between magnetic plate 8 and the magnetic mold have adsorption affinity and adhesive force more, make things convenient for putting of mould, reduce the possibility that the mould emptys.
The containing frame 11 is of a grid structure, and a double-hinge window is arranged on the outer side of the supporting cabinet body 1.
The holding frame 11 of the grid structure provides a plurality of storage spaces for a user, so that the user can conveniently store different types of sand table molds, classified storage is facilitated, and classified taking is facilitated while storage is facilitated.
The surface of the sliding ring 31 is connected with the inner surface of the sliding groove 21 in a sliding manner, one end of the supporting rod 32 far away from the sliding ring 31 passes through the inside of the sliding groove 21 and extends to the outside of the fixed sand table 2, and one end of the supporting rod 32 extending to the outside of the fixed sand table 2 is fixedly connected with a connecting block 33.
The sliding ring 31 and the supporting rod 32 provide a supporting function for the left-right sliding of the adjusting sand table 63, the sliding ring 31 can only slide left and right in the sliding groove 21, when the sliding ring 31 slides to the outermost side, the adjusting sand table 63 is in a fully unfolded state, the adjusting sand table 63 is adjusted downwards at the moment, the inner surfaces of the two supporting grooves 633 are in contact with the top of the supporting rod 32, and the supporting rod 32 plays a limiting and supporting role in the opened adjusting sand table 63.
The extension assembly 6 comprises a sliding block 61, two connecting shafts 62 are fixedly connected to the right side of the sliding block 61, the two connecting shafts 62 are parallel to each other, and an adjusting sand table 63 is fixedly connected to the two connecting shafts 62.
The extension assembly 6 provides an adjustable space for the sand table, and the sand table 63 can be adjusted through the two connecting shafts 62 and the sliding block 61 to be freely adjusted in the lifting groove 41 in a vertical sliding mode, so that the height of the sand table 63 can be adjusted conveniently.
The top of the adjusting sand table 63 is provided with a placing groove 631, the inside of the adjusting sand table 63 is provided with a mounting groove 632, and the bottom of the adjusting sand table 63 is provided with a supporting groove 633.
The placing groove 631 provides a space for a user to place the sand table mold, the mounting groove 632 is located at a position right below the placing groove 631, and the inner surface of the supporting groove 633 is matched with the supporting rod 32.
The cross section of the supporting groove 633 is of a semicircular structure, the semicircular structure of the supporting groove 633 is half of the circular cross section of the supporting rod 32, and the bottom of the adjusting sand table 63 is fixedly connected with two limiting assemblies 7.
The semicircular supporting groove 633 is matched with the circular supporting rod 32, so that the supporting groove 633 is conveniently supported and fixed.
The limiting assembly 7 comprises a limiting shaft 71, the top of the limiting shaft 71 is fixedly connected with the bottom of the adjusting sand table 63, a buffering sleeve ring 72 is sleeved at the bottom of the surface of the limiting shaft 71, and the buffering sleeve ring 72 is made of rubber materials.
The limiting assembly 7 is used for conveniently supporting and limiting the adjusting sand table 63, and the buffer lantern ring 72 is used for increasing the stability of connection with the top limiting groove 22.
The inside of mounting groove 632 is provided with magnetic plate 8, the inside of fixed sand table 2 is provided with the same structure of magnetic plate 8 with adjust sand table 63, the top fixedly connected with push-and-pull handrail 9 of adjusting sand table 63.
The sliding support assemblies 3 are provided with two groups, the two groups of sliding support assemblies 3 are respectively arranged on the inner sides of the two sliding grooves 21, and the two groups of sliding support assemblies 3 are connected in the same structure.
The connecting frames 4 are provided with two groups, the two groups of connecting frames 4 are symmetrically distributed on the two sliding support assemblies 3, and the two connecting frames 4 are provided with one adjusting sand table 63 and corresponding connecting structures.
When in work, when the adjusting sand tables 63 at two sides need to be unfolded, the adjusting sand tables 63 at two sides are lifted upwards by preferentially pushing and pulling the handrails 9, when the adjusting sand table 63 moves to the top, the limiting shaft 71 and the buffering sleeve ring 72 are separated from the inside of the top limiting groove 22, at this time, the adjusting sand table 63 is horizontally pushed to one side far away from the fixed sand table 2, the adjusting sand table 63 moves to two sides, when the sand table is moved to the farthest distance, the adjusting sand table 63 is pushed downwards, when the supporting groove 633 at the bottom of the adjusting sand table 63 is contacted with the top of the supporting rod 32, the limiting shaft 71 is clamped and fixed with the inner surface of the bottom limiting groove 51, the adjusting sand tables 63 at two sides are sequentially opened for use, a plate can be used by a plurality of people at the same time, required great space volume in the time of can satisfying great garden design simultaneously provides sufficient design space for the designer to make things convenient for the teaching and the design of sand table.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a garden design science sand table teaching aid which characterized in that includes:
the supporting cabinet body is internally provided with a containing frame;
the bottom of the fixed sand table is fixed to the top of the supporting cabinet body, two sliding grooves are formed in the fixed sand table, four top limiting grooves are formed in the top of the fixed sand table, and a sand table platform is arranged at the top of the fixed sand table;
the sliding support assembly is arranged inside the sliding groove and comprises a sliding ring, and a support rod is fixedly connected to one side of the sliding ring;
the connecting frame is fixed on the sliding support assembly, a lifting groove is formed in the connecting frame, a connecting hole is formed in the right side of the lifting groove and located in the connecting frame, and an accommodating groove is formed in the right side of the connecting frame;
the two limiting support blocks are respectively fixed on two sides of the fixed sand table, and bottom limiting grooves are formed in the limiting support blocks;
the extension subassembly, the extension subassembly set up in go up and down the groove with on the connecting hole, the extension subassembly includes the sliding block, two connecting axles of the right side fixedly connected with of sliding block, two be parallel to each other between the connecting axle to sand table is adjusted to fixedly connected with on two connecting axles, the standing groove has been seted up at the top of adjusting the sand table to the mounting groove has been seted up to the inside of adjusting the sand table, the bottom of adjusting the sand table has seted up the support groove.
2. A garden design science sand table teaching aid according to claim 1, characterized in that: the containing frame is of a grid structure, and a double-hinge window is arranged on the outer side of the supporting cabinet body.
3. A garden design science sand table teaching aid according to claim 1, characterized in that: the surface of the sliding ring is connected with the inner surface of the sliding groove in a sliding mode, one end, far away from the sliding ring, of the supporting rod passes through the inside of the sliding groove and extends to the outside of the fixed sand table, and the supporting rod extends to one end, located outside the fixed sand table, of the connecting block.
4. A garden design science sand table teaching aid according to claim 1, characterized in that: the cross section of the supporting groove is of a semicircular structure, the semicircular structure of the supporting groove is half of the circular cross section of the supporting rod, and the bottom of the adjusting sand table is fixedly connected with two limiting assemblies.
5. A garden design science sand table teaching aid of claim 4, characterized in that: the limiting assembly comprises a limiting shaft, the top of the limiting shaft is fixedly connected with the bottom of the adjusting sand table, the bottom of the surface of the limiting shaft is sleeved with a buffering lantern ring, and the buffering lantern ring is made of rubber materials.
6. A garden design science sand table teaching aid of claim 5 which characterized in that: the sand table comprises a mounting groove and is characterized in that a magnetic plate is arranged inside the mounting groove, a structure of the magnetic plate, which is the same as that of the adjusting sand table, is arranged inside the fixing sand table, and a push-pull handrail is fixedly connected to the top of the adjusting sand table.
7. A garden design science sand table teaching aid of claim 6, characterized in that: the sliding support assemblies are arranged in two groups, the two groups of sliding support assemblies are respectively arranged on the inner sides of the two sliding grooves, and the two groups of sliding support assemblies are connected in the same structure.
8. A garden design science sand table teaching aid of claim 7, characterized in that: the connecting frames are provided with two groups, the two groups of connecting frames are symmetrically distributed on the two sliding supporting assemblies, and the two connecting frames are provided with one adjusting sand table and a corresponding connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231237.XA CN111223378B (en) | 2019-12-05 | 2019-12-05 | Garden design learns sand table teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231237.XA CN111223378B (en) | 2019-12-05 | 2019-12-05 | Garden design learns sand table teaching aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111223378A CN111223378A (en) | 2020-06-02 |
| CN111223378B true CN111223378B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911231237.XA Expired - Fee Related CN111223378B (en) | 2019-12-05 | 2019-12-05 | Garden design learns sand table teaching aid |
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| Country | Link |
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| CN (1) | CN111223378B (en) |
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| JPH0767726A (en) * | 1993-06-29 | 1995-03-14 | Ayano Seisakusho:Kk | Elevating storage device |
| CN202341235U (en) * | 2011-12-02 | 2012-07-25 | 安吉万昌家具有限公司 | Draw-type movable table |
| CN204423792U (en) * | 2015-01-22 | 2015-06-24 | 方梦翌 | A kind of collapsible city planning model |
| CN207704736U (en) * | 2017-10-26 | 2018-08-07 | 北京博远江山科技发展有限责任公司 | A kind of rail mounted multilayer movement sand table |
| WO2019033763A1 (en) * | 2017-08-18 | 2019-02-21 | 成都慕课科技有限公司 | Public management method based on simulated sand table, and training platform |
| CN208524054U (en) * | 2018-01-03 | 2019-02-22 | 广州市欧曼迪里家具有限公司 | A kind of desk |
| CN208805984U (en) * | 2018-04-16 | 2019-04-30 | 江西工业工程职业技术学院 | A kind of marketing teaching sand table |
| CN109717614A (en) * | 2018-12-28 | 2019-05-07 | 北海华源电子有限公司 | Computer desk with desktop extension function |
| CN208873377U (en) * | 2018-06-05 | 2019-05-17 | 上海牧言室内装饰工程有限公司 | A kind of Multifunctional demonstration sand table |
| CN209674678U (en) * | 2018-10-26 | 2019-11-22 | 彭维鹏 | A kind of assembly type petroleum detection simulation sand table |
-
2019
- 2019-12-05 CN CN201911231237.XA patent/CN111223378B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767726A (en) * | 1993-06-29 | 1995-03-14 | Ayano Seisakusho:Kk | Elevating storage device |
| CN202341235U (en) * | 2011-12-02 | 2012-07-25 | 安吉万昌家具有限公司 | Draw-type movable table |
| CN204423792U (en) * | 2015-01-22 | 2015-06-24 | 方梦翌 | A kind of collapsible city planning model |
| WO2019033763A1 (en) * | 2017-08-18 | 2019-02-21 | 成都慕课科技有限公司 | Public management method based on simulated sand table, and training platform |
| CN207704736U (en) * | 2017-10-26 | 2018-08-07 | 北京博远江山科技发展有限责任公司 | A kind of rail mounted multilayer movement sand table |
| CN208524054U (en) * | 2018-01-03 | 2019-02-22 | 广州市欧曼迪里家具有限公司 | A kind of desk |
| CN208805984U (en) * | 2018-04-16 | 2019-04-30 | 江西工业工程职业技术学院 | A kind of marketing teaching sand table |
| CN208873377U (en) * | 2018-06-05 | 2019-05-17 | 上海牧言室内装饰工程有限公司 | A kind of Multifunctional demonstration sand table |
| CN209674678U (en) * | 2018-10-26 | 2019-11-22 | 彭维鹏 | A kind of assembly type petroleum detection simulation sand table |
| CN109717614A (en) * | 2018-12-28 | 2019-05-07 | 北海华源电子有限公司 | Computer desk with desktop extension function |
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| Publication number | Publication date |
|---|---|
| CN111223378A (en) | 2020-06-02 |
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Granted publication date: 20210921 |