Land space planning sand table

Abstract

The utility model discloses a territorial space planning sand table, which comprises a base, and a plurality of module boards are arranged at the top of the base. According to the utility model, through the design of the plurality of module plates, the locking blocks, the movable rings, the connecting sleeves, the connecting columns and the jacking springs, an integrated template of a traditional installation model is split into the plurality of module plates, the connecting sleeves at the bottoms of the module plates are sleeved on the connecting columns, and the jacking springs apply elastic extrusion action on the locking blocks, so that the locking blocks are clamped in the side ends of the connecting columns; when the module board is quickly fixed and disassembled, the module board only needs to be pressed downwards again, the connecting sleeve moves downwards on the connecting column, the surface of the locking block and the surface of the movable ring extrude, slide and avoid to ensure that the locking block can move to the bottom of the movable ring, then the module board is taken upwards, and at the moment, the movable ring moves upwards along with the locking block at the same time; and the locking block is sent to the end part of the connecting column for unlocking, and the module board is quickly detached from the sand table for replacement, so that the model is convenient and quick to replace.

Description

Technical Field

[0001] The utility model belongs to the technical field of land space planning sand tables, and specifically relates to a land space planning sand table. Background Art

[0002] The national land space planning sand table is a model made of mud and sand based on the topographic map. Models of various national land spaces are installed and placed inside it for display purposes. It is mainly used for studying terrain and rehearsing plans.

[0003] When the existing land space planning sand table is used, the models in the land space are placed on the surface of the sand table for display and research. However, there are the following defects: (1) The existing land space planning sand table is installed on the surface of the sand table in an integrated manner. When a part of the model is replaced, the entire sand table needs to be disassembled, and then the local model needs to be removed and reinstalled on the sand table, which makes the model replacement cumbersome and inconvenient. For this reason, we propose a land space planning sand table. Utility Model Content

[0004] The purpose of the present utility model is to provide a national land space planning sand table to solve the problem of cumbersome and inconvenient model replacement of the national land space planning sand table proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a land space planning sand table, comprising a base, a plurality of module plates are arranged on the top of the base, a connecting sleeve is fixed on the bottom of the module plate, a sand table model is arranged on the top of the module plate, an assembly groove is opened on the inner wall of the connecting sleeve, a locking block is connected to the interior of the assembly groove by sliding, a top spring is provided at one end of the locking block, a connecting column is fixed on the top surface of the base, one end of the connecting column is inserted into the interior of the connecting sleeve, and the other end of the locking block is placed on the inner side of the side of the connecting column, and the outer wall of the connecting column is provided with a movable ring.

[0006] Preferably, a retaining groove is formed on the side wall of the locking block, a retaining block is provided on the inner side of the retaining groove, and the retaining block is fixed to the inner wall of the assembly groove.

[0007] Preferably, the longitudinal section of the connecting column is an I-shaped structure.

[0008] Preferably, a spherical groove is formed on the end surface of the stopper, and a ball is embedded in the spherical groove.

[0009] Preferably, a spring is provided on the top of the connecting column, and the spring is installed inside the connecting sleeve.

[0010] Preferably, a guide rod is provided on the inner side of the top spring, a guide sleeve is provided on the outer wall of the guide rod, the guide sleeve is fixed on the inner wall of the assembly groove, and the guide rod is fixed on the end face of the locking block.

[0011] Preferably, the bottom four corners of the module plate are fixed with supporting tubes, the inside of the supporting tube is inserted with a supporting rod, and the supporting rod is fixed on the surface of the base.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) the traditional installation model is split into multiple module plates by the multiple module plates, lock blocks, movable rings, connecting sleeves, connecting columns and top springs, the connecting sleeve at the bottom of the module plate is sleeved on the connecting column, the top spring exerts a spring pressure on the lock block, the lock block is clamped inside the side end of the connecting column, the module plate is quickly fixed, when disassembling, the module plate is pressed downward again, the connecting sleeve moves up and down on the connecting column, the surface of the lock block and the surface of the movable ring are extruded and slipped to avoid each other, so that the lock block can move to the bottom of the movable ring, the module plate is taken off, the movable ring moves up with the lock block at the same time, the lock block is sent to the end of the connecting column, is unlocked, and the module plate is quickly disassembled from the sand table and is replaced, so that the model is convenient and fast to replace, the lock block is limited by the designed blocking groove and blocking block, the lock block is prevented from separating from the assembly groove, the designed ball bearings play a lubricating role, the frictional resistance of the lock block end face is reduced when the lock block end face is extruded and moved, the connecting sleeve is elastically lifted by the designed spring sheet, the lock block is prevented from being unlocked due to excessive lowering of the connecting sleeve, the top spring is supported by the designed guide sleeve and guide rod, the top spring is prevented from losing elasticity due to shape change, the supporting tube is sleeved on the supporting rod, the module plate is righted, and is prevented from being inclined. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is an enlarged view of A in the utility model; Figure 1

[0016] Figure 3 It is a partial structure sectional view of B in the utility model; Figure 1

[0017] Figure 4 It is an assembly bottom view of the module plate, the connecting sleeve and the supporting tube of the utility model;

[0018] Figure 5 It is an assembly perspective view of the connecting column and the movable ring of the utility model;

[0019] ​​In the figure: 1, base; 2, support cylinder; 3, module plate; 4, sand table model; 5, support rod; 6, reed; 7, connecting sleeve; 8, assembly groove; 9, guide sleeve; 10, top spring; 11, ball; 12, connecting column; 13, movable ring; 14, lock block; 15, guide rod; 16, stop block; 17, stop groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] EMBODIMENT

[0022] Please refer to Figures 1 to 5 The utility model provides a kind of land space planning sand table, including base 1, the top of base 1 is provided with multiple module plates 3, the bottom of module plate 3 is fixed with connecting sleeve 7, the top of module plate 3 is provided with sand table model 4, connecting sleeve 7 inner wall is opened with assembly groove 8, the inside of assembly groove 8 is connected with lock block 14 by sliding, one end of lock block 14 is provided with top spring 10, the top surface of base 1 is fixed with connecting column 12, one end of connecting column 12 is inserted in the inside of connecting sleeve 7, and the other end of lock block 14 is placed in the inside of side of connecting column 12, the outer wall of connecting column 12 is sleeved with movable ring 13, by the design of multiple module plates 3, lock block 14, movable ring 13, connecting sleeve 7, connecting column 12 and top spring 10, the integrated template of traditional installation model is split into multiple module plates 3, connecting sleeve 7 of module plate 3 bottom is sleeved on connecting column 12, and top spring 10 exerts elastic pressure on lock block 14, so that lock block 14 is clamped in the inside of side end of connecting column 12, realize the quick fixing of module plate 3, when disassembling, only need to press downward again on module plate 3, make connecting sleeve 7 move up and down on connecting column 12, make the surface of lock block 14 and the surface of movable ring 13 extrude and slide to avoid, to ensure that lock block 14 can be moved to the bottom of movable ring 13, then take module plate 3, movable ring 13 is moved up simultaneously with lock block 14 at this time, lock block 14 is sent to the end of connecting column 12, is unlocked, and module plate 3 is quickly disassembled from sand table and is replaced, so that the utility model is convenient and fast to replace model, the side wall of lock block 14 is opened with stop groove 17, the inside of stop groove 17 is provided with stop block 16, stop block 16 is fixed on the inner wall of assembly groove 8, by the design of stop groove 17 and stop block 16, lock block 14 is limited, to avoid that lock block 14 is separated from assembly groove 8, the longitudinal section of connecting column 12 is the structure of I-shaped section.

[0023] In the embodiment, preferably, the end face of the block 16 is provided with a spherical groove, and a ball 11 is embedded in the spherical groove. The ball 11 is designed to play a lubricating role, so as to reduce the influence of frictional resistance when the end face of the block 14 is extruded and moved. The top of the connecting column 12 is provided with a spring leaf 6. The spring leaf 6 is designed to exert an elastic lifting effect on the connecting sleeve 7, so as to avoid the phenomenon that the block 14 is unlocked due to excessive lowering of the connecting sleeve 7. In addition, the spring leaf 6 is installed in the inside of the connecting sleeve 7.

[0024] In the embodiment, preferably, the inside of the top spring 10 is provided with a guide rod 15, and the outer wall of the guide rod 15 is sleeved with a guide sleeve 9. The guide sleeve 9 is fixed on the inner wall of the assembling groove 8. The guide sleeve 9 and the guide rod 15 are designed to support the top spring 10, so as to avoid the phenomenon that the top spring 10 loses elasticity due to shape change. The guide rod 15 is fixed on the end face of the block 14. The bottom of the module plate 3 is fixed with four supporting barrels 2 at four corners. The supporting barrels 2 are inserted with supporting rods 5. The supporting barrels 2 are sleeved on the supporting rods 5. The supporting barrels 2 are designed to support the module plate 3, so as to prevent the module plate 3 from being inclined. The supporting rods 5 are fixed on the surface of the base 1.

[0025] The working principle and use process of the utility model are as follows: the utility model splits the traditional integrated template into a plurality of module plates 3. The connecting sleeve 7 at the bottom of the module plate 3 is sleeved on the connecting column 12. The top spring 10 exerts a spring extrusion effect on the block 14, so that the block 14 is clamped in the inside of the side end of the connecting column 12. The module plate 3 is quickly fixed. Meanwhile, the supporting barrels 2 are sleeved on the supporting rods 5, so as to support the module plate 3 and prevent the module plate 3 from being inclined. When disassembling, the module plate 3 is pressed downward again, so that the connecting sleeve 7 moves up and down on the connecting column 12. The surface of the block 14 is extruded and slid away from the surface of the movable ring 13, so as to ensure that the block 14 can move to the bottom of the movable ring 13. Then, the module plate 3 is taken out. At this time, the movable ring 13 moves upward together with the block 14, so that the block 14 is sent to the end of the connecting column 12. The block 14 is unlocked. The module plate 3 is quickly disassembled from the sand table and replaced, so that the utility model is convenient and fast to replace the model.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A land space planning sand table comprising a base (1), characterized in that: The top of the base (1) is provided with a plurality of module plates (3), the bottom of the module plate (3) is fixedly provided with a connecting sleeve (7), the top of the module plate (3) is provided with a sand table model (4), the inner wall of the connecting sleeve (7) is provided with an assembly groove (8), the inside of the assembly groove (8) is slidably connected with a lock block (14), one end of the lock block (14) is provided with a top spring (10), the top surface of the base (1) is fixedly provided with a connecting column (12), one end of the connecting column (12) is inserted into the inside of the connecting sleeve (7), and the other end of the lock block (14) is arranged on the inner side of the side of the connecting column (12), and the outer wall of the connecting column (12) is sleeved with a movable ring (13).

2. The territorial space planning sand table according to claim 1, characterized in that: The side wall of the lock block (14) is provided with a blocking groove (17), and the inner side of the blocking groove (17) is provided with a blocking block (16), and the blocking block (16) is fixedly arranged on the inner wall of the assembly groove (8).

3. The territorial space planning sand table of claim 1, wherein: The longitudinal section of the connecting column (12) is in an I-shaped structure.

4. The territorial space planning sand table of claim 2, wherein: The end surface of the blocking block (16) is provided with a spherical groove, and the spherical groove is inlaid with a ball (11).

5. The territorial space planning sand table of claim 1, wherein: The top of the connecting column (12) is provided with a reed (6), and the reed (6) is arranged in the inside of the connecting sleeve (7).

6. The territorial space planning sand table of claim 1, wherein: The inner side of the top spring (10) is provided with a guide rod (15), the outer wall of the guide rod (15) is sleeved with a guide sleeve (9), the guide sleeve (9) is fixedly arranged on the inner wall of the assembly groove (8), and the guide rod (15) is fixedly arranged on the end surface of the lock block (14).

7. The territorial space planning sand table of claim 1, wherein: The bottom of the module plate (3) is fixedly provided with a supporting cylinder (2) at four corners, the inside of the supporting cylinder (2) is inserted with a supporting rod (5), and the supporting rod (5) is fixedly arranged on the surface of the base (1).

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