Extensible sand table structure

Abstract

The utility model relates to the technical field of sand tables, and discloses an extensible sand table structure which comprises a trough plate and a side trough plate, the trough plate and the side trough plate are arranged in parallel, supporting mechanisms are fixed on two sides of the bottom of the trough plate and two sides of the bottom of the side trough plate, and a plurality of U-shaped plates are arranged between the trough plate and the side trough plate at intervals. Inserting grooves are formed in the two sides of the side groove plate and the two sides of the U-shaped plates, inserting plates are fixed to the two sides of the groove plate and the two sides of the U-shaped plates, the inserting plates are inserted into the inserting grooves, lower plates are fixed to the bottoms of the groove plate and the bottoms of the U-shaped plates, and limiting mechanisms are arranged on the two sides of the lower plates and the bottoms of the side groove plate and the bottoms of the U-shaped plates. According to the utility model, the plurality of U-shaped plates can be horizontally limited through the insertion mechanisms, then the plurality of U-shaped plates can be installed between the groove plates and the side groove plates through the limiting mechanisms, and the size of the sand table can be increased by increasing the number of the U-shaped plates, so that the size of the sand table can be expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand table technical field more specifically, the utility model relates to a kind of expandable sand table structure. BACKGROUND

[0002] Sand table is widely used in intuitive display topography, building layout, military strategy etc., but some sand table of existing size is fixed, and its size cannot be adjusted expansion according to need, it is difficult to meet the diversified display needs in different scenarios.For example, in building planning display, with the project advancement and planning, it can be necessary to show larger area or increase more details etc., the non-expandability of traditional sand table limits its application flexibility and adaptability, and making multiple sand tables of different sizes will increase cost, for this reason, we design a kind of expandable sand table structure. SUMMARY

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an expandable sand table structure to solve the problems raised in the background.

[0004] To achieve the above object, the utility model provides the following technical scheme: an expandable sand table structure, including groove plate and side groove plate, the groove plate and side groove plate are arranged in parallel, and the groove plate and side groove plate bottom both sides are fixed with support mechanism, the groove plate and side groove plate are placed with multiple U-shaped plates between intervals, the side groove plate and multiple U-shaped plates both sides are provided with slot, the groove plate and multiple U-shaped plates both sides are fixed with plugboard, and plugboard is inserted in slot, the groove plate and multiple U-shaped plates bottom are fixed with lower plate, and the lower plate both sides are provided with limiting mechanism with side groove plate and U-shaped plate bottom.

[0005] As a preferred technical scheme of the utility model, the support mechanism includes support plate and sleeve, the support plate is fixed at the bottom of the groove plate and the side groove plate, the sleeve is sleeved outside the support plate, multiple limiting holes are arranged on the support plate, a screw cap is fixed on the upper side wall of the sleeve, a threaded rod is connected in the screw cap, one end of the threaded rod is inserted into one of the limiting holes, and the other end of the threaded rod extends outward and is fixed with a rotating handle.

[0006] As a preferred technical scheme of the utility model, the two sleeves are fixed with a horizontal rod.

[0007] As a preferred technical scheme of the utility model, the sleeve bottom is fixed with a non-slip mat.

[0008] As a preferred technical scheme of the utility model, the side wall of the slot is fixed with a rubber pad.

[0009] As a preferred technical scheme of the utility model, the limiting mechanism comprises a limiting groove, a jack, and a side sleeve, the limiting groove is arranged on the side groove plate and the bottom of the U-shaped plate, the jack is arranged on the lower plate, the side sleeve is fixed to the bottom of the lower plate below the jack, a limiting rod is arranged in the side sleeve, one end of the limiting rod passes through the jack and is inserted into the limiting groove, the other end of the limiting rod passes through the side sleeve and extends downward, a spring is sleeved on one side of the limiting rod, one end of the spring is fixed to the limiting rod, and the other end of the spring is fixed to the inner wall of the side sleeve.

[0010] As a preferred technical scheme of the utility model, the limiting mechanism comprises a limiting groove, a jack, and a side sleeve, the limiting groove is arranged on the side groove plate and the bottom of the U-shaped plate, the jack is arranged on the lower plate, the side sleeve is fixed to the bottom of the lower plate below the jack, a limiting rod is arranged in the side sleeve, one end of the limiting rod passes through the jack and is inserted into the limiting groove, the other end of the limiting rod passes through the side sleeve and extends downward, a spring is sleeved on one side of the limiting rod, one end of the spring is fixed to the limiting rod, and the other end of the spring is fixed to the inner wall of the side sleeve.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、The utility model discloses a plurality of U-shaped plates can be horizontally positioned through the inserting mechanism, and then the plurality of U-shaped plates can be installed between the groove plate and the side groove plate through the limiting mechanism, the size of the sand table can be increased by increasing the number of U-shaped plates, and the size of the sand table can be expanded.

[0013] 2、The utility model discloses a plurality of U-shaped plates can be horizontally positioned through the inserting mechanism, and then the plurality of U-shaped plates can be installed between the groove plate and the side groove plate through the limiting mechanism, the size of the sand table can be increased by increasing the number of U-shaped plates, and the size of the sand table can be expanded. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model discloses a kind of expandable sand table structure;

[0015] Figure 2 It is a three-dimensional structure schematic view of the bottom of the utility model discloses a kind of expandable sand table structure;

[0016] Figure 3 It is a main view structure schematic view of the utility model discloses a kind of expandable sand table structure;

[0017] Figure 4 It is a top view structure schematic view of the utility model discloses a kind of expandable sand table structure;

[0018] Figure 5 It is a limiting mechanism structure schematic view of the utility model discloses a kind of expandable sand table structure.

[0019] In the drawing: 1, groove plate;2, side groove plate;3, U-shaped plate;4, insertion slot;5, insertion plate;6, lower plate;7, limiting mechanism;71, limiting groove;72, jack;73, side sleeve;74, limiting rod;75, spring;8, pull rod;9, support plate;10, sleeve;11, horizontal rod;12, limiting hole;13, threaded rod;14, rotating handle. DETAILED DESCRIPTION

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 5 As shown, this utility model provides an expandable sand table structure, including a slotted plate 1 and a side slotted plate 2. The slotted plate 1 and the side slotted plate 2 are arranged in parallel, and support mechanisms are fixed on both sides of the bottom of the slotted plate 1 and the side slotted plate 2. The support mechanisms can support the sand table. Multiple U-shaped plates 3 are placed between the slotted plate 1 and the side slotted plate 2 at intervals. Slots 4 are opened on both sides of the side slotted plate 2 and the multiple U-shaped plates 3. Insert plates 5 are fixed on both sides of the slotted plate 1 and the multiple U-shaped plates 3, and the insert plates 5 are inserted into the slots 4. A lower plate 6 is fixed at the bottom of the slotted plate 1 and the multiple U-shaped plates 3. Limiting mechanisms 7 are provided on both sides of the lower plate 6 and the bottom of the side slotted plate 2 and the U-shaped plates 3. The insertion mechanism can horizontally limit the multiple U-shaped plates 3. The limiting mechanism 7 can install the U-shaped plates 3 between the slotted plate 1 and the side slotted plate 2. By increasing the number of U-shaped plates 3, the size of the sand table can be increased.

[0022] The support mechanism includes a support plate 9 and a sleeve 10. The support plate 9 is fixed to the bottom sides of the groove plate 1 and the side groove plate 2. The sleeve 10 is sleeved on the outside of the support plate 9. A crossbar 11 is fixed between two sleeves 10. Multiple limiting holes 12 are spaced apart on the support plate 9. A nut is fixed on the upper side wall of the sleeve 10. A threaded rod 13 is connected inside the nut. One end of the threaded rod 13 is inserted into one of the limiting holes 12. The other end of the threaded rod 13 extends outward and is fixed with a handle 14. When it is necessary to adjust the height of the sand table, simply rotate the handle 14 to disengage the threaded rod 13 from the limiting hole 12, then move the support plate 9 up and down and insert the threaded rod 13 into the appropriate limiting hole 12.

[0023] The bottom of the sleeve 10 is fixed with an anti-slip pad, which can prevent the sleeve 10 from sliding on the ground.

[0024] The side wall of the slot 4 is fixed with a rubber pad, which makes the insertion plate 5 more stable when inserted into the slot 4.

[0025] The limiting mechanism 7 includes a limiting groove 71, a jack 72, a side sleeve 73, the limiting groove 71 is arranged at the bottom of the side groove plate 2 and the U-shaped plate 3, the jack 72 is arranged on the lower plate 6, the side sleeve 73 is fixed to the bottom of the lower plate 6 below the jack 72, a limiting rod 74 is arranged in the side sleeve 73, one end of the limiting rod 74 passes through the jack 72 and is inserted into the limiting groove 71, the U-shaped plate 3 can be limited by inserting one end of the limiting rod 74 into the limiting groove 71, the other end of the limiting rod 74 passes through the side sleeve 73 and extends downward, a pull rod 8 is fixed between the two limiting rods 74, a spring 75 is sleeved on one side of the limiting rod 74, one end of the spring 75 is fixed on the limiting rod 74, and the other end of the spring 75 is fixed on the inner wall of the side sleeve 73, the pull rod 8 can drive the two limiting rods 74 to move simultaneously, when the U-shaped plate 3 needs to be disassembled, one end of the limiting rod 74 needs to be pulled out of the limiting groove 71.

[0026] The working principle and use process of the utility model: the sand table is composed of groove plate 1, side groove plate 2, a plurality of U-shaped plates 3, through limiting mechanism 7, one U-shaped plate 3 can be installed between the groove plate 1 and the side groove plate 2, the size of the sand table can be increased by increasing the number of U-shaped plates 3, when the U-shaped plate 3 needs to be expanded, only the one end of the two limiting rods 74 needs to be pulled out of the limiting groove 71 by pulling the pull rod 8, then the plug-in plate on both sides of the U-shaped plate 3 is pulled out of the plug-in groove, and then the new U-shaped plate 3 is installed between the two U-shaped plates 3, so that the expansion of the size of the sand table is completed.

[0027] It should be noted that, in this document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An expandable sand table structure comprising a channel plate (1) and a side channel plate (2), characterized in that: The groove plate (1) and the side groove plate (2) are arranged in parallel, and the groove plate (1) and the side groove plate (2) are fixed with supporting mechanisms on both sides of the bottom, a plurality of U-shaped plates (3) are arranged between the groove plate (1) and the side groove plate (2), the side groove plate (2) and the plurality of U-shaped plates (3) are provided with insertion grooves (4) on both sides, the groove plate (1) and the plurality of U-shaped plates (3) are fixed with insertion plates (5) on both sides, and the insertion plates (5) are inserted into the insertion grooves (4), and the groove plate (1) and the plurality of U-shaped plates (3) are fixed with lower plates (6) on the bottom, and the lower plates (6) are provided with limiting mechanisms (7) on both sides and the bottom of the side groove plate (2) and the U-shaped plate (3).

2. An expandable sand table structure as claimed in claim 1, wherein: The supporting mechanism comprises a supporting plate (9) and a sleeve (10), the supporting plate (9) is fixed on both sides of the bottom of the groove plate (1) and the side groove plate (2), the sleeve (10) is sleeved outside the supporting plate (9), a plurality of limiting holes (12) are arranged on the supporting plate (9), a screw cap is fixed on the sidewall above the sleeve (10), a threaded rod (13) is connected in the screw cap, one end of the threaded rod (13) is inserted into one of the limiting holes (12), and the other end of the threaded rod (13) extends outward and is fixed with a rotating handle (14).

3. An expandable sand table structure as claimed in claim 2, wherein: The horizontal rods (11) are fixed between the two sleeves (10).

4. An expandable sand table structure as claimed in claim 2, wherein: The sleeve (10) is fixed with a non-slip pad on the bottom.

5. The expandable sand table structure of claim 1, wherein: The sidewall of the insertion groove (4) is fixed with a rubber pad.

6. An expandable sand table structure as claimed in claim 1, wherein: The limiting mechanism (7) comprises a limiting groove (71), a insertion hole (72) and a side sleeve (73), the limiting groove (71) is arranged on the bottom of the side groove plate (2) and the U-shaped plate (3), the insertion hole (72) is arranged on the lower plate (6), the side sleeve (73) is fixed on the bottom of the lower plate (6) below the insertion hole (72), the side sleeve (73) is provided with a limiting rod (74), one end of the limiting rod (74) penetrates through the insertion hole (72) and is inserted into the limiting groove (71), the other end of the limiting rod (74) penetrates through the side sleeve (73) and extends downward, a spring (75) is sleeved on one side of the limiting rod (74), one end of the spring (75) is fixed on the limiting rod (74), and the other end of the spring (75) is fixed on the inner wall of the side sleeve (73).

7. An expandable sand table structure according to claim 6, wherein: The pull rod (8) is fixed between the two limiting rods (74).

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