CN114170883B - Ecological model stand for urban and rural intelligent building planning - Google Patents
Ecological model stand for urban and rural intelligent building planning Download PDFInfo
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- CN114170883B CN114170883B CN202111490644.XA CN202111490644A CN114170883B CN 114170883 B CN114170883 B CN 114170883B CN 202111490644 A CN202111490644 A CN 202111490644A CN 114170883 B CN114170883 B CN 114170883B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 71
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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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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- 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
- G09B25/04—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of buildings
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention provides an ecological model exhibition stand for urban and rural intelligent building planning, which belongs to the technical field of building planning and comprises a box body, a supporting part, a transmission part and a driving part, wherein an opening is formed in one side of the box body, the driving part and the transmission part are arranged in the box body, the output end of the driving part is connected with the supporting part through the transmission part, the driving part can drive the transmission part to rotate positively and negatively, and when the transmission part rotates positively, the supporting part can be driven to move in one direction, and the supporting part can move to the outside of the box body from the opening and rotate. Compared with the prior art, when needs show, can realize that ecological model shifts out to the box outside and rotate automatically, realize ecological model's multi-angle show to improve ecological model's viewing experience effect, and can accomodate ecological model in the box inside when not needing the show, realize ecological model's protection, have ecological model bandwagon effect's advantage.
Description
Technical Field
The invention belongs to the technical field of building planning, and particularly relates to an ecological model exhibition stand for urban and rural intelligent building planning.
Background
Urban system planning, urban planning, town planning, rural planning and village planning; comprehensive deployment, concrete arrangement and implementation management of urban and rural society and economic development, land utilization, space layout and various construction in a certain period.
In the prior art, when the ecological model of building is demonstrated, the ecological model is usually placed on the upper part of the exhibition stand, and because the existing exhibition stand is simpler in structure, the ecological model can only be supported, so that people need to walk around the exhibition stand when watching the ecological model, and can watch the ecological model at multiple angles, thereby leading to poor watching experience.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide an ecological model exhibition stand for urban and rural intelligent building planning.
In order to solve the technical problems, the invention provides the following technical scheme:
an ecological model exhibition stand for urban and rural intelligent building planning comprises a box body, a supporting part, a transmission part and a driving part,
an opening is arranged on one side of the box body, the driving part and the transmission part are arranged in the box body,
the output end of the driving part is connected with the supporting part through the transmission part, the driving part can drive the transmission part to rotate positively and negatively,
when the transmission part rotates positively, the supporting part can be driven to move towards one direction, and the supporting part can move from the opening to the outside of the box body and rotate,
when the transmission part rotates reversely, the supporting part can be driven to move from the opening to the inside of the box body.
As a further improvement of the invention: the supporting part comprises a holding table, a column casing and a limiting rod,
one end of the column casing is fixedly connected with the holding table, the other end extends from the opening to the inside of the box body, one end of the limiting rod is connected with the column casing, the other end is in sliding fit with the inner wall of the box body,
the transmission part comprises a transmission rod and a thread section arranged at the middle section of the transmission rod, one end of the transmission rod extends into the column casing and is in threaded fit with the column casing through the thread section,
the driving part comprises a motor, and the output end of the motor is connected with the transmission rod.
As a further improvement of the invention: a connecting rod is fixedly arranged at one end of the transmission rod, which is positioned in the column casing, an eccentric block is fixedly arranged at one end of the connecting rod, which is far away from the transmission rod, a limiting block is fixedly arranged on the inner wall of the column casing,
a ring plate is fixedly arranged outside the column casing, a jack is arranged on one side of the ring plate away from the column casing, a limiting plug-in unit is movably arranged on one end of the limiting rod away from the inner wall of the box body,
the limiting plug-in can be matched with the jack to realize locking between the limiting rod and the annular plate, a push rod is fixedly arranged in the box body and used for driving the limiting plug-in to move so as to release the locking state between the limiting rod and the annular plate.
As a further improvement of the invention: a sliding cavity is arranged at one end of the limiting rod, which is far away from the inner wall of the box body, a sliding groove communicated with the sliding cavity is arranged at one side of the limiting rod,
the limiting plug-in comprises an elastic piece, a wedge-shaped rod and a locking pin, wherein the locking pin is movably arranged in the sliding cavity, one end of the locking pin is connected with the inner wall of the sliding cavity through the elastic piece, one end of the wedge-shaped rod is connected with the locking pin, and the other end of the wedge-shaped rod extends from the sliding groove to the outer side of the limiting rod.
As a still further improvement of the invention: one side of the annular plate, which is far away from the column casing, is also provided with a limiting ring, one end of the limiting rod is lapped on one side of the limiting ring, the other end of the limiting rod is fixedly provided with a sliding block, the inner wall of the box body is fixedly provided with a guide rail, and the sliding block is in sliding fit with the guide rail.
As a still further improvement of the invention: the driving part also comprises a rotating shaft, a driving gear and a transmission gear,
one side of the driving gear is connected with the output end of the motor through the rotating shaft, the transmission gear is fixedly arranged on the outer side of the transmission rod, and the driving gear is meshed with the transmission gear.
As a still further improvement of the invention: the elastic piece is a spring or a metal elastic piece.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the ecological model is arranged on one side of the supporting part, when the ecological model needs to be displayed, the driving part can drive the transmission part to rotate positively, and then the supporting part is driven to move from the opening to the outside of the box body and rotate, so that the ecological model is driven to move to the outside of the box body, the display of the ecological model is realized, and the supporting part can rotate after moving to the outside of the box body, and further the ecological model is driven to rotate, so that the multi-angle display of the ecological model is realized; after the demonstration is finished, drive the drive portion through drive portion and rotate in opposite directions to drive the ecological model of supporting part intercommunication and remove to the box inside from the opening, realize that ecological model accomodates and deposit, compare in prior art, when needs show, can realize that ecological model shifts out to the box outside and rotates automatically, realize ecological model's multi-angle show, with the effect of experience of improving ecological model's looking, and can accomodate ecological model in the box inside when not needing the show, realize ecological model's protection, have the advantage that ecological model bandwagon effect is good.
Drawings
FIG. 1 is a schematic diagram of an ecological model display stand for urban and rural intelligent building planning;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is a schematic view of the structure of a support in an ecological model display stand for urban and rural intelligent building planning;
in the figure: 10-box, 101-guide rail, 102-opening, 20-supporting part, 201-limit rod, 202-column casing, 2021-limit block, 203-containing table, 204-annular plate, 205-jack, 206-slide groove, 207-slide cavity, 208-limit ring, 30-driving part, 301-driving rod, 302-thread section, 303-driving gear, 304-eccentric block, 305-connecting rod, 40-driving part, 401-driving gear, 402-rotating shaft, 403-motor, 50-push rod, 60-limit plug-in unit, 601-elastic piece, 602-wedge rod and 603-lock pin.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the present embodiment provides an ecological model exhibition stand for urban and rural intelligent building planning, which comprises a case 10, a supporting portion 20, a transmission portion 30 and a driving portion 40, wherein an opening 102 is provided on one side of the case 10, the driving portion 40 and the transmission portion 30 are installed inside the case 10, an output end of the driving portion 40 is connected with the supporting portion 20 through the transmission portion 30, the driving portion 40 can drive the transmission portion 30 to rotate positively and negatively, when the transmission portion 30 rotates positively, the supporting portion 20 can be driven to move in one direction, the supporting portion 20 can be driven to move to the outside of the case 10 from the opening 102 and rotate, and when the transmission portion 30 rotates reversely, the supporting portion 20 can be driven to move from the opening 102 to the inside of the case 10.
When the ecological model is required to be displayed, the driving part 40 can drive the transmission part 30 to rotate forward, so that the supporting part 20 is driven to move to the outside of the box body 10 from the opening 102 and rotate, the ecological model is driven to move to the outside of the box body 10, the display of the ecological model is realized, the supporting part 20 can rotate after moving to the outside of the box body 10, and the ecological model is driven to rotate, so that the multi-angle display of the ecological model is realized; after the display is completed, the driving part 40 drives the transmission part 30 to reversely rotate so as to drive the supporting part 20 to communicate with the ecological model to move from the opening 102 to the inside of the box 10, thereby realizing the storage of the ecological model.
Referring to fig. 1, in one embodiment, the supporting portion 20 includes a holding table 203, a post 202, and a stop lever 201, one end of the post 202 is fixedly connected with the holding table 203, the other end extends from the opening 102 to the inside of the case 10, one end of the stop lever 201 is connected with the post 202, the other end is slidably engaged with the inner wall of the case 10, the transmission portion 30 includes a transmission rod 301 and a threaded section 302 disposed in a middle section of the transmission rod 301, one end of the transmission rod 301 extends to the inside of the post 202 and is in threaded engagement with the post 202 through the threaded section 302, the driving portion 40 includes a motor 403, and an output end of the motor 403 is connected with the transmission rod 301.
When the display is needed, the motor 403 drives the transmission rod 301 to rotate forward, and the threaded section 302 is matched with the thread between the column casing 202 and the sliding fit between the limit rod 201 and the inner wall of the box body 10 are utilized, so that the column casing 202 is driven to move towards the outside of the box body 10, the containing plate 203 is driven to move from the opening 102 to the outside of the box body 10, the display of the ecological model is realized, when the display is not needed, the motor 403 drives the transmission rod 301 to rotate reversely, and then the column casing 202 is driven to move towards the inside of the box body 10, so that the containing plate 203 is driven to move from the opening 102 to the inside of the box body 10 together with the ecological model.
Referring to fig. 2 and 3, in one embodiment, a connecting rod 305 is fixedly disposed at one end of the transmission rod 301 located inside the column casing 202, an eccentric block 304 is fixedly disposed at one end of the connecting rod 305 away from the transmission rod 301, a limiting block 2021 is fixedly disposed on an inner wall of the column casing 202, a ring plate 204 is fixedly disposed outside the column casing 202, an insertion hole 205 is disposed on one side of the ring plate 204 away from the column casing 202, a limiting insert 60 is movably disposed at one end of the limiting rod 201 away from an inner wall of the box 10, the limiting insert 60 can cooperate with the insertion hole 205 to achieve locking between the limiting rod 201 and the ring plate 204, a push rod 50 is fixedly disposed inside the box 10, and the push rod 50 is used for driving the limiting insert 60 to move so as to release a locking state between the limiting rod 201 and the ring plate 204.
When the transmission rod 301 rotates, through the cooperation between the limit plug-in 60 and the jack 205, the locking between the limit rod 201 and the annular plate 204 is realized, so that the threaded cooperation between the threaded section 302 and the cylindrical shell 202 is convenient, the cylindrical shell 202 can be guaranteed to move straightly, the containing plate 203 is driven to move straightly to the outside of the box 10, in the process, the eccentric block 304 can move towards the inside direction of the cylindrical shell 202, after the containing plate 203 moves to the outside of the box 10, the eccentric block 304 moves to one side of the limiting block 2021, the threaded section 302 is disengaged from the cylindrical shell 202, the push rod 50 can act on the limit plug-in 60, so as to drive the limit plug-in 60 to move, and then the locking state between the limit rod 201 and the annular plate 204 is released, at this moment, along with the continuous rotation of the transmission rod 301, the eccentric block 304 is driven to rotate through the connecting rod 305, the eccentric block 304 can act on one side of the limiting block 2021, and then the limiting block 2021 is driven to drive the cylindrical shell 202 to rotate synchronously with the transmission rod 301, and the containing plate 203 is driven to rotate outside the box 10 in a communicating manner.
Referring to fig. 2, in one embodiment, a sliding cavity 207 is formed at an end of the stop lever 201 away from the inner wall of the case 10, a sliding slot 206 is formed at one side of the stop lever 201 and is communicated with the sliding cavity 207, the stop insert 60 includes an elastic member 601, a wedge rod 602, and a locking pin 603, the locking pin 603 is movably disposed inside the sliding cavity 207, one end of the locking pin 603 is connected with the inner wall of the sliding cavity 207 through the elastic member 601, one end of the wedge rod 602 is connected with the locking pin 603, and the other end extends from the sliding slot 206 to the outer side of the stop lever 201.
Through the supporting function of the elastic piece 601, one end of the lock pin 603 is driven to extend into the jack 205, locking between the limiting rod 201 and the annular plate 204 is achieved, further, when the transmission rod 301 rotates, the threaded section 302 is matched with the cylindrical shell 202, the cylindrical shell 202 is guaranteed to move straight and straight, so that the containing plate 203 is driven to move to the outside of the box body 10 from the opening 102, after the containing plate 203 moves to the outside of the box body 10, the wedge rod 602 can act on the push rod 50, the wedge rod 602 can be pushed by the push rod 50, so that the lock pin 603 is driven to slide along the sliding cavity 207, one end of the lock pin 603 moves out of the jack 205, at the moment, locking between the limiting rod 201 and the annular plate 204 is released, the rotation of the eccentric rod 304 is utilized to push the limiting block 2021 so that the cylindrical shell 202 is driven to synchronously rotate along with the transmission rod 301, and the annular plate 204 on the outer side is driven to rotate when the cylindrical shell 202 rotates; after the display is finished, the threaded section 302 and the column casing 202 are re-engaged under the action of gravity through the reverse rotation of the transmission rod 301, at this time, the column casing 202 can be driven to move towards the inside of the box 10, the limit rod 201 can also slide towards the inside of the box 10 under the action of gravity, the wedge rod 602 is separated from the push rod 50, the elastic piece 601 pushes the lock pin 603 to enable one end of the lock pin 603 to be re-inserted into the jack 205, the re-locking between the limit rod 201 and the ring plate 204 is achieved, the threaded engagement between the threaded section 302 and the column casing 202 is utilized to drive the column casing 202 to move straight towards the inside of the box 10, and then the containing plate 203 is driven to move from the opening 102 to the inside of the box 10, so that the storage of the ecological model is achieved.
In one embodiment, the elastic member 601 may be a spring, or may be a metal elastic sheet, which is not limited herein.
Referring to fig. 1, 2 and 3, in one embodiment, a stop ring 208 is further disposed on a side of the ring plate 204 away from the cylinder 202, one end of the stop rod 201 is overlapped on one side of the stop ring 208, a slider is fixedly disposed on the other end, and a guide rail 101 is fixedly mounted on an inner wall of the case 10 and is in sliding fit with the guide rail 101.
The limiting rod 201 is supported through the limiting ring 208, so that after the locking pin 603 is separated from the jack 205, the limiting rod 201 is prevented from sliding towards the inside of the box 10 due to the influence of gravity, the relative position between the limiting rod 201 and the annular plate 204 is ensured, and the locking pin 603 can be inserted into the jack 205 again.
Referring to fig. 1, in one embodiment, the driving portion 40 further includes a rotating shaft 402, a driving gear 401, and a transmission gear 303, one side of the driving gear 401 is connected to an output end of the motor 403 through the rotating shaft 402, the transmission gear 303 is fixedly mounted on an outer side of the transmission rod 301, and the driving gear 401 is meshed with the transmission gear 303.
The motor 403 drives the rotating shaft 402 to rotate positively and negatively, and the driving rod 301 is driven to rotate positively and negatively by the meshing action between the driving gear 401 and the driving gear 303.
In the embodiment of the invention, the ecological model is mounted on one side of the supporting part 20, when the ecological model needs to be displayed, the driving part 40 can drive the transmission part 30 to rotate positively, so as to drive the supporting part 20 to move from the opening 102 to the outside of the box 10 and rotate, thereby driving the ecological model to move to the outside of the box 10, realizing the display of the ecological model, and after the supporting part 20 moves to the outside of the box 10, the supporting part can also rotate, so as to drive the ecological model to rotate, and realizing the multi-angle display of the ecological model; after the display is finished, the driving part 30 is driven to reversely rotate through the driving part 40 so as to drive the supporting part 20 to communicate with the ecological model and move from the opening 102 to the inside of the box 10, so that the ecological model is stored.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. An ecological model exhibition stand for urban and rural intelligent building planning is characterized by comprising a box body, a supporting part, a transmission part and a driving part,
an opening is arranged on one side of the box body, the driving part and the transmission part are arranged in the box body,
the output end of the driving part is connected with the supporting part through the transmission part, the driving part can drive the transmission part to rotate positively and negatively,
when the transmission part rotates positively, the supporting part can be driven to move towards one direction, and the supporting part can move from the opening to the outside of the box body and rotate,
when the transmission part rotates reversely, the supporting part can be driven to move from the opening to the inside of the box body,
the supporting part comprises a holding table, a column casing and a limiting rod,
one end of the column casing is fixedly connected with the holding table, the other end extends from the opening to the inside of the box body, one end of the limiting rod is connected with the column casing, the other end is in sliding fit with the inner wall of the box body,
the transmission part comprises a transmission rod and a thread section arranged at the middle section of the transmission rod, one end of the transmission rod extends into the column casing and is in threaded fit with the column casing through the thread section,
the driving part comprises a motor, the output end of the motor is connected with the transmission rod,
a connecting rod is fixedly arranged at one end of the transmission rod, which is positioned in the column casing, an eccentric block is fixedly arranged at one end of the connecting rod, which is far away from the transmission rod, a limiting block is fixedly arranged on the inner wall of the column casing,
a ring plate is fixedly arranged outside the column casing, a jack is arranged on one side of the ring plate away from the column casing, a limiting plug-in unit is movably arranged on one end of the limiting rod away from the inner wall of the box body,
the limit plug-in can be matched with the jack to realize the locking between the limit rod and the annular plate, a push rod is fixedly arranged in the box body and used for driving the limit plug-in to move so as to release the locking state between the limit rod and the annular plate,
when the transmission rod rotates, through the cooperation between spacing plug-in components and the jack, realize the locking between gag lever post and the crown plate, so that through the screw thread cooperation between screw thread section and the column casing, guarantee that the column casing can move straight, in order to drive to hold the board and move to the box outside, this in-process, the eccentric block moves to the inside direction of column casing, after holding the board and moving to the box outside, the eccentric block removes to stopper one side, break away from the cooperation between screw thread section and the column casing, the push rod acts on spacing plug-in components, in order to drive spacing plug-in components and remove, and then release the locking state between gag lever post and the crown plate, at this moment along with the continuation rotation of transmission rod, and then drive the eccentric block through the connecting rod and rotate, the eccentric block acts on stopper one side, and then promote the stopper and drive the column casing and rotate along with the transmission rod is synchronous, and then drive to hold the board and rotate outside the box together with ecological model.
2. The ecological model exhibition stand for urban and rural intelligent building planning according to claim 1, wherein one end of the limiting rod, which is far away from the inner wall of the box body, is provided with a sliding cavity, one side of the limiting rod is provided with a sliding groove communicated with the sliding cavity,
the limiting plug-in comprises an elastic piece, a wedge-shaped rod and a locking pin, wherein the locking pin is movably arranged in the sliding cavity, one end of the locking pin is connected with the inner wall of the sliding cavity through the elastic piece, one end of the wedge-shaped rod is connected with the locking pin, and the other end of the wedge-shaped rod extends from the sliding groove to the outer side of the limiting rod.
3. The ecological model exhibition stand for urban and rural intelligent building planning according to claim 1, wherein a limiting ring is further arranged on one side, far away from the column casing, of the annular plate, one end of the limiting rod is lapped on one side of the limiting ring, a sliding block is fixedly arranged on the other end of the limiting rod, a guide rail is fixedly arranged on the inner wall of the box body, and the sliding block is in sliding fit with the guide rail.
4. The ecological model display stand for urban and rural intelligent building planning according to claim 1, wherein the driving part further comprises a rotating shaft, a driving gear and a transmission gear,
one side of the driving gear is connected with the output end of the motor through the rotating shaft, the transmission gear is fixedly arranged on the outer side of the transmission rod, and the driving gear is meshed with the transmission gear.
5. An ecological model display stand for urban and rural intelligent building planning according to claim 2, wherein the elastic piece is a spring or a metal shrapnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111490644.XA CN114170883B (en) | 2021-12-08 | 2021-12-08 | Ecological model stand for urban and rural intelligent building planning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111490644.XA CN114170883B (en) | 2021-12-08 | 2021-12-08 | Ecological model stand for urban and rural intelligent building planning |
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| Publication Number | Publication Date |
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| CN114170883A CN114170883A (en) | 2022-03-11 |
| CN114170883B true CN114170883B (en) | 2024-01-26 |
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| CN202111490644.XA Active CN114170883B (en) | 2021-12-08 | 2021-12-08 | Ecological model stand for urban and rural intelligent building planning |
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| CN112767816A (en) * | 2021-01-14 | 2021-05-07 | 华北水利水电大学 | Architectural design model multidimension degree teaching display device |
| CN112891142A (en) * | 2021-01-27 | 2021-06-04 | 许昌学院 | Exercise rehabilitation apparatus based on waist exercise |
| JP6967236B1 (en) * | 2021-03-16 | 2021-11-17 | 株式会社ホリ・コン | Lift-up device and buildings equipped with it |
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2021
- 2021-12-08 CN CN202111490644.XA patent/CN114170883B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210077210U (en) * | 2019-03-25 | 2020-02-18 | 深圳市龙正堂展览策划有限公司 | Liftable pivoted intelligence stand |
| CN211669805U (en) * | 2020-03-27 | 2020-10-13 | 广西城市职业大学 | Visual transmission teaching device |
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| CN112767816A (en) * | 2021-01-14 | 2021-05-07 | 华北水利水电大学 | Architectural design model multidimension degree teaching display device |
| CN112891142A (en) * | 2021-01-27 | 2021-06-04 | 许昌学院 | Exercise rehabilitation apparatus based on waist exercise |
| JP6967236B1 (en) * | 2021-03-16 | 2021-11-17 | 株式会社ホリ・コン | Lift-up device and buildings equipped with it |
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| Publication number | Publication date |
|---|---|
| CN114170883A (en) | 2022-03-11 |
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