CN214377300U - Multi-module liftable demonstration sand table - Google Patents
Multi-module liftable demonstration sand table Download PDFInfo
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- CN214377300U CN214377300U CN202120492424.XU CN202120492424U CN214377300U CN 214377300 U CN214377300 U CN 214377300U CN 202120492424 U CN202120492424 U CN 202120492424U CN 214377300 U CN214377300 U CN 214377300U
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Abstract
The utility model provides a many modules liftable demonstration sand table belongs to sand table technical field. The multi-module liftable demonstration sand table comprises a sand table component, a protective cover component and a connecting component. Rotatory connecting sleeve, connecting sleeve drives the threaded rod, the threaded rod drives and compresses tightly the plate rotation to the mounting panel upside, rotate the threaded rod, the threaded rod drives and compresses tightly the plate downstream, compress tightly the plate downstream in-process, it rotates around the connecting rod through thrust ball bearing to compress tightly the plate, make and compress tightly the plate and be in the mounting panel upside all the time, compress tightly in the mounting panel upside gradually to compressing tightly the plate, compress tightly fixed mounting panel through compressing tightly the plate, reach the purpose of fixed protection casing, the reverse rotation threaded rod, to compressing tightly the plate and break away from the mounting panel gradually, the rotatory plate that compresses tightly that falls, and then can follow sand table body upside with the protection casing and take off, reach the purpose of dismantling the protection casing, effectively improve the problem of the not convenient to dismantle of the protection casing on the present multimode liftable demonstration sand table.
Description
Technical Field
The utility model relates to a sand table field particularly, relates to a multimode liftable demonstration sand table.
Background
A multi-module liftable demonstration sand table internal landscape water system is manufactured by combining simulation water effect with dynamic fiber light, the bottom layer of the water system is manufactured by two layers, the lower layer is inlet water ripple glass (drawing corresponding patterns below the water ripple glass or spraying simulation mosaic paint or blue simulation water paint with different depths), inlet simulation water cement is scattered on the water ripple glass, and the surface layer is inlet smooth glass. Simultaneously, the flickering blue light is added to the two sides of the water side at equal distance with equal specification, and the optical fiber light guide is manufactured at the central position according to the corresponding shape, so that the model is closer to reality to embody the simulation effect of the landscape water system.
The multi-module liftable demonstration sand table is when using, constructor selects the building model module of suitable quantity as required, water model module and mountain model module, then with above-mentioned module setting in the suitable position on the sand table platform, constructor can be through adjusting scissors fork elevating system, thereby adjust the ground height of each building model module, thereby can adjust and construct the ground fall of building, constructor can adjust the height of the building model of each building model module through the flexible of control flexible post, at present, when the multi-module liftable demonstration sand table uses, often need to use the protection casing to protect a plurality of modules on the multi-module liftable demonstration sand table, the protection casing uses bolt or adhesive to be fixed in the multi-module liftable demonstration sand table upside, although can fix the protection casing, it is more complicated to dismantle.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides a multimode liftable demonstration sand table aims at improving the problem that the protection casing on the present multimode liftable demonstration sand table is not convenient for dismantle.
The utility model discloses a realize like this:
a multi-module liftable demonstration sand table comprises a sand table assembly, a protective cover assembly and a connecting assembly.
The sand table component comprises a sand table body and a peripheral positioning groove arranged on the upper side of the sand table body, the protective cover component comprises a protective cover and a mounting plate, the mounting plate is fixedly connected with the periphery of the lower side of the protective cover, the protective cover is inserted into the upper side of the sand table body, the mounting plate is positioned in the positioning groove, the lower side of the mounting plate is pressed against the positioning groove, the periphery of the lower side of the sand table body is provided with a plurality of connecting components, each connecting component comprises a first connecting lug plate, a connecting sleeve part, a connecting rod part, two check rings, two thrust ball bearings, a pressing plate part and a pressing nut, the first connecting lug plate is fixedly connected with the periphery of the lower side of the sand table body, each connecting sleeve part comprises a connecting sleeve and a second connecting lug plate, the second connecting lug plates are fixedly connected with the side walls of the connecting sleeves, and the second connecting lug plates are hinged with the first connecting lug plates, the connecting rod piece comprises a threaded rod and a connecting rod, the connecting rod is fixedly connected to the upper end of the threaded rod, threads of the threaded rod penetrate through the connecting sleeve, the retainer ring is connected with the thrust ball bearing and the compression plate in a sleeved mode, the thrust ball bearing is located on two sides of the compression plate, the retainer ring is located on two sides of the thrust ball bearing and away from one side of the compression plate, the compression nut is connected with the connecting rod in a threaded mode, the compression nut is compressed on the retainer ring, the thrust ball bearing and the compression plate, and the compression plate is compressed on the upper side of the mounting plate.
In an embodiment of the present invention, the sand table body has a supporting leg fixedly connected to a lower side thereof.
In an embodiment of the present invention, a reinforcing rod is fixedly connected between the supporting legs.
The utility model discloses an in one embodiment, mounting panel downside fixedly connected with sealing washer, the mounting panel will the sealing washer compress tightly in the constant head tank.
In an embodiment of the present invention, the protection cover is a transparent acrylic cover.
In an embodiment of the present invention, the threaded rod bottom is fixedly connected with a prism rod, and the prism rod is fixedly sleeved with a hand piece.
The utility model discloses an in one embodiment, the hand piece includes installation sleeve and handheld pole, the inside prism groove that is provided with of installation sleeve, the prism pole inserts the prism groove, the installation sleeve compress tightly in through the bolt the prism pole, handheld pole fixed connection in installation sleeve outer wall.
In an embodiment of the present invention, the pressing plate includes a pressing plate and a cushion pad, the cushion pad is fixedly connected to the lower side of one end of the pressing plate, and the pressing plate compresses the cushion pad to the mounting plate.
In an embodiment of the present invention, the cushion pad underside is evenly provided with an anti-slip strip.
In an embodiment of the present invention, the cushion pad is a rubber pad.
The utility model has the advantages that: the utility model discloses a multimode liftable demonstration sand table obtained through the above design, when in use, the protection cover is inserted into the upper side of the sand table body, the mounting plate is positioned in the positioning groove, the connecting sleeve is rotated to enable the second connecting ear plate to rotate around the first connecting ear plate, the connecting sleeve drives the threaded rod, the threaded rod drives the pressing plate to rotate to the upper side of the mounting plate, the threaded rod is rotated, through the screw transmission principle, the threaded rod drives the pressing plate to move downwards, in the downward moving process of the pressing plate, the pressing plate rotates around the connecting rod through the thrust ball bearing, the pressing plate is always positioned at the upper side of the mounting plate, until the pressing plate gradually presses the upper side of the mounting plate, the purpose of fixing the protection cover is achieved through the pressing plate, the threaded rod is rotated reversely, until the pressing plate gradually breaks away from the mounting plate, the pressing plate is rotated to fall down, and the protection cover can be taken down from the upper side of the sand table body, the purpose of dismantling the protection casing is reached, the problem that the protection casing on the present multimode module liftable demonstration sand table is not convenient for dismantle is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a multi-module liftable demonstration sand table according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sand table assembly according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a protective cover assembly according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic view of a connection sleeve according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a connection rod according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a hold-down plate according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a handpiece according to an embodiment of the present invention.
In the figure: 100-a sand table assembly; 110-a sand table body; 120-positioning grooves; 130-a leg; 140-a stiffener; 200-a shield assembly; 210-a shield; 220-a mounting plate; 230-a sealing ring; 300-a connection assembly; 310-a first connecting ear plate; 320-connecting the sleeve member; 321-a connecting sleeve; 322-a second connecting ear plate; 330-connecting rods; 331-threaded rod; 332-a connecting rod; 333-prism rod; 340-a retainer ring; 350-thrust ball bearing; 360-pressing the plate; 361-a compacting plate; 362-a cushion; 363-cleats; 370-a compression nut; 380-a handpiece; 381-mounting the sleeve; 382-prismatic grooves; 383-a hand-held lever.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Please refer to fig. 1 to 8, the utility model provides a many modules liftable demonstration sand table, including sand table subassembly 100, protection casing subassembly 200 and coupling assembling 300, sand table subassembly 100 selects the building model module of suitable quantity as required, water model module and mountain model module, then will go up the module setting in proper position on the sand table platform, adjustment scissors fork elevating system drives the ground height of each building model module, thereby can adjust and construct the ground fall of building, reach the purpose that many modules go up and down, protection casing subassembly 200 is used for protection sand table subassembly 100, coupling assembling 300 is used for being fixed in protection sand table subassembly 100 with protection casing subassembly 200.
Referring to fig. 2, the sand table assembly 100 includes a sand table body 110 and positioning grooves 120 formed in the periphery of the upper side of the sand table body 110, legs 130 are fixedly connected to the lower side of the sand table body 110, the legs 130 are fixed to the sand table body 110 through bolts, so that the sand table body 110 is supported conveniently, reinforcing rods 140 are fixedly connected between the legs 130, and the reinforcing rods 140 are fixed to the legs 130 through welding, so that the strength of the legs 130 is improved.
Referring to fig. 3, the protective cover assembly 200 includes a protective cover 210 and a mounting plate 220, the mounting plate 220 is fixedly connected to the periphery of the lower side of the protective cover 210, the protective cover 210 and the mounting plate 220 are of an integrated structure, the protective cover 210 is inserted into the upper side of the sand table body 110, the mounting plate 220 is located in the positioning groove 120, the position of the protective cover 210 is located by the positioning groove 120, the lower side of the mounting plate 220 is pressed against the positioning groove 120, a sealing ring 230 is fixedly connected to the lower side of the mounting plate 220, the sealing ring 230 is adhered to the mounting plate 220 by glue, the mounting plate 220 presses the sealing ring 230 against the positioning groove 120, the protective cover 210 is a transparent acrylic cover, which is convenient for sealing the joint between the protective cover 210 and the positioning groove 120, and reduces dust and water vapor from entering the protective cover 210.
Referring to fig. 4, a plurality of connecting assemblies 300 are disposed on the periphery of the lower side of the sand table body 110, each connecting assembly 300 includes a first connecting ear plate 310, a connecting sleeve member 320, a connecting rod member 330, two retainer rings 340, two thrust ball bearings 350, a pressing plate member 360 and a pressing nut 370, the first connecting ear plates 310 are fixedly connected to the periphery of the lower side of the sand table body 110, and the first connecting ear plates 310 and the lower side of the sand table body 110 are of an integrated structure.
Referring to fig. 5, the connecting sleeve member 320 includes a connecting sleeve 321 and a second connecting ear plate 322, the second connecting ear plate 322 is fixedly connected to a side wall of the connecting sleeve 321, the second connecting ear plate 322 and the connecting sleeve 321 are of an integrated structure, the second connecting ear plate 322 is hinged to the first connecting ear plate 310, and the second connecting ear plate 322 is hinged to the first connecting ear plate 310 through a pin.
Referring to fig. 6, the connection rod 330 includes a threaded rod 331 and a connection rod 332, the connection rod 332 is fixedly connected to the upper end of the threaded rod 331, the connection rod 332 and the threaded rod 331 are of an integrated structure, the threaded rod 331 penetrates through the connection sleeve 321 through threads, the retainer ring 340, the thrust ball bearing 350 and the compression plate 360 are all sleeved on the connection rod 332, the two thrust ball bearings 350 are located on two sides of the compression plate 360, the two retainer rings 340 are located on one sides of the two thrust ball bearings 350 away from the compression plate 360, the compression nut 370 is connected to the connection rod 332 through threads, the compression nut 370 is compressed on the retainer rings 340, the thrust ball bearings 350 and the compression plate 360, the compression plate 360 is compressed on the upper side of the mounting plate 220, when in use, the shield 210 is inserted into the upper side of the sand table body 110, the mounting plate 220 is located in the positioning slot 120, the connection sleeve 321 is rotated to rotate the second connection lug 322 around the first connection lug 310, the connection sleeve 321 drives the threaded rod 331, threaded rod 331 drives and compresses tightly 360 rotations of plate to mounting panel 220 upsides, rotation threaded rod 331, through the screw thread transmission principle, threaded rod 331 drives and compresses tightly 360 downstream of plate, compress tightly 360 downstream in-process of plate, compress tightly plate 360 and rotate around connecting rod 332 through thrust ball bearing 350, make and compress tightly plate 360 and be in the mounting panel 220 upside all the time, compress tightly in the mounting panel 220 upside gradually to compressing tightly plate 360, compress tightly fixed mounting panel 220 through compressing tightly plate 360, reach the purpose of fixed protection casing 210, reverse rotation threaded rod 331, to compressing tightly plate 360 and breaking away from mounting panel 220 gradually, the rotation falls and compresses tightly plate 360, and then can take off protection casing 210 from sand table body 110 upside, reach the purpose of dismantling protection casing 210, effectively improve the problem that the protection casing on the present multi-module liftable demonstration sand table is not convenient for dismantling.
Referring to fig. 7, the pressing plate 360 includes a pressing plate 361 and a buffer pad 362, the buffer pad 362 is fixedly connected to a lower side of one end of the pressing plate 361, the buffer pad 362 is adhered to a lower side of one end of the pressing plate 361 by glue, the pressing plate 361 presses the buffer pad 362 against the mounting plate 220, so as to reduce the pressure loss of the pressing plate 361 to the mounting plate 220, the lower side of the buffer pad 362 is uniformly provided with the anti-slip strips 363, so that the pressing plate 361 presses the mounting plate 220 conveniently, and the buffer pad 362 is a rubber pad.
Referring to fig. 8, a prism rod 333 is fixedly connected to the bottom end of a threaded rod 331, the threaded rod 331 and the prism rod 333 are of an integrated structure, a hand-held piece 380 is fixedly sleeved on the prism rod 333, the hand-held piece 380 includes a mounting sleeve 381 and a hand-held rod 383, a prism groove 382 is arranged inside the mounting sleeve 381, the prism rod 333 is inserted into the prism groove 382, the mounting sleeve 381 is tightly pressed on the prism rod 333 through bolts, the hand-held rod 383 is fixedly connected to the outer wall of the mounting sleeve 381, the mounting sleeve 381 is driven to rotate through the hand-held rod 383, the prism rod 333 and the threaded rod 331 are driven to rotate through the mounting sleeve 381, rotation of the threaded rod 331 is facilitated, when the connection assembly 300 needs to be disassembled, the connection bolts of the mounting sleeve 381 and the prism rod 333 are removed, the threaded rod 331 is rotated until the threaded rod 331 leaves the connection sleeve 321, the compression nut 370 is rotated until the compression nut 370 leaves the connection rod 332, and then can take off retaining ring 340, thrust ball bearing 350 and pressure strip 361 from connecting rod 332, and then can carry out the change of retaining ring 340, thrust ball bearing 350, pressure strip 361, connecting rod 330 and hand-held piece 380, after the change is accomplished, install according to opposite order, the change process is simple, the maintenance of the part on the coupling assembling 300 of being convenient for.
Specifically, this many modules liftable demonstrates sand table's theory of operation: when the protective cover is used, the protective cover 210 is inserted into the upper side of the sand table body 110, the mounting plate 220 is positioned in the positioning groove 120, the connecting sleeve 321 is rotated, the second connecting lug plate 322 rotates around the first connecting lug plate 310, the connecting sleeve 321 drives the threaded rod 331, the threaded rod 331 drives the pressing plate 360 to rotate to the upper side of the mounting plate 220, the threaded rod 331 is rotated, through the screw transmission principle, the threaded rod 331 drives the pressing plate 360 to move downwards, the pressing plate 360 rotates around the connecting rod 332 through the thrust ball bearing 350 in the downward moving process of the pressing plate 360, the pressing plate 360 is always positioned at the upper side of the mounting plate 220, the pressing plate 360 is gradually pressed on the upper side of the mounting plate 220 until the pressing plate 360 presses the mounting plate 220 to fix the protective cover 210, the threaded rod 331 is rotated reversely, the pressing plate 360 is gradually separated from the mounting plate 220, the pressing plate 360 is rotated and falls down, and the protective cover 210 can be taken down from the upper side of the sand table body 110, the purpose of disassembling the protective cover 210 is achieved, and the problem that the protective cover on the existing multi-module liftable demonstration sand table is inconvenient to disassemble is effectively solved.
When the connecting assembly 300 needs to be disassembled, the connecting bolts of the mounting sleeve 381 and the prism rod 333 are removed, the mounting sleeve 381 is further disassembled from the prism rod 333, the threaded rod 331 is rotated until the threaded rod 331 leaves the connecting sleeve 321, the compression nut 370 is rotated until the compression nut 370 leaves the connecting rod 332, the check ring 340, the thrust ball bearing 350 and the compression plate 361 can be further taken down from the connecting rod 332, the check ring 340, the thrust ball bearing 350, the compression plate 361, the connecting rod 330 and the hand piece 380 can be replaced, after replacement is completed, installation is carried out according to the reverse sequence, the replacement process is simple, and maintenance of parts on the connecting assembly 300 is facilitated.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-module liftable demonstration sand table is characterized by comprising
The sand table component (100), the sand table component (100) comprises a sand table body (110) and a positioning groove (120) arranged on the periphery of the upper side of the sand table body (110);
the protective cover assembly (200), the protective cover assembly (200) comprises a protective cover (210) and a mounting plate (220), the mounting plate (220) is fixedly connected to the periphery of the lower side of the protective cover (210), the protective cover (210) is inserted into the upper side of the sand table body (110), the mounting plate (220) is positioned in the positioning groove (120), and the lower side of the mounting plate (220) is pressed against the positioning groove (120);
coupling assembling (300), the periphery of sand table body (110) downside is provided with a plurality ofly coupling assembling (300), coupling assembling (300) include first connection otic placode (310), connection sleeve spare (320), connection member (330), two retaining rings (340), two thrust ball bearing (350), compress tightly plate (360) and gland nut (370), first connection otic placode (310) fixed connection in the periphery of sand table body (110) downside, connection sleeve spare (320) are including connecting sleeve (321) and second connection otic placode (322), second connection otic placode (322) fixed connection in connecting sleeve (321) lateral wall, second connection otic placode (322) articulate in first connection otic placode (310), connection member spare (330) are including threaded rod (331) and connecting rod (332), connecting rod (332) fixed connection in threaded rod (331) upper end, threaded rod (331) screw run through in connecting sleeve (321), retaining ring (340) thrust ball bearing (350) with compress tightly plate (360) and all cup joint in connecting rod (332), two thrust ball bearing (350) are located compress tightly plate (360) both sides, two retaining ring (340) are located two thrust ball bearing (350) are kept away from compress tightly plate (360) one side, gland nut (370) threaded connection in connecting rod (332), gland nut (370) compress tightly in retaining ring (340) thrust ball bearing (350) with compress tightly plate (360), compress tightly plate (360) compress tightly in mounting panel (220) upside.
2. A multi-module liftable demonstration sand table according to claim 1, characterized in that legs (130) are fixedly connected to the lower side of the sand table body (110).
3. A multi-module liftable demonstration sand table according to claim 2, characterised in that a reinforcement bar (140) is fixedly connected between the legs (130).
4. A multi-module liftable demonstration sand table according to claim 1, wherein a sealing ring (230) is fixedly connected to the lower side of the mounting plate (220), and the mounting plate (220) presses the sealing ring (230) against the positioning groove (120).
5. A multi-module liftable demonstration sand table according to claim 1, wherein the protective cover (210) is configured as a transparent acrylic cover.
6. A multi-module liftable demonstration sand table according to claim 1, wherein a prism rod (333) is fixedly connected to the bottom end of the threaded rod (331), and a hand piece (380) is fixedly sleeved on the prism rod (333).
7. A multi-module liftable demonstration sand table according to claim 6, characterized in that the hand piece (380) comprises a mounting sleeve (381) and a hand rod (383), a prism groove (382) is arranged inside the mounting sleeve (381), the prism rod (333) is inserted into the prism groove (382), the mounting sleeve (381) is pressed on the prism rod (333) through a bolt, and the hand rod (383) is fixedly connected to the outer wall of the mounting sleeve (381).
8. A multi-module liftable demonstration sand table according to claim 1, wherein the compacting plate member (360) comprises a compacting plate (361) and a cushion (362), the cushion (362) is fixedly connected to the underside of one end of the compacting plate (361), and the compacting plate (361) compresses the cushion (362) against the mounting plate (220).
9. A multi-module liftable demonstration sand table according to claim 8, characterised in that the underside of the buffer pad (362) is provided with anti-slip strips (363) uniformly.
10. A multi-module liftable demonstration sand table according to claim 8, characterised in that the cushion pad (362) is arranged as a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120492424.XU CN214377300U (en) | 2021-03-08 | 2021-03-08 | Multi-module liftable demonstration sand table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120492424.XU CN214377300U (en) | 2021-03-08 | 2021-03-08 | Multi-module liftable demonstration sand table |
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| CN214377300U true CN214377300U (en) | 2021-10-08 |
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| CN202120492424.XU Active CN214377300U (en) | 2021-03-08 | 2021-03-08 | Multi-module liftable demonstration sand table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333534A (en) * | 2021-12-13 | 2022-04-12 | 福建省文华贞观教育科技有限公司 | Innovative entrepreneurship education demonstration sand table |
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2021
- 2021-03-08 CN CN202120492424.XU patent/CN214377300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333534A (en) * | 2021-12-13 | 2022-04-12 | 福建省文华贞观教育科技有限公司 | Innovative entrepreneurship education demonstration sand table |
| CN114333534B (en) * | 2021-12-13 | 2023-10-20 | 福建省文华贞观教育科技有限公司 | Innovative entrepreneur education demonstration sand table |
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