Layered sand table base

Abstract

The utility model discloses a layered sand table base which comprises a protection box, threaded rods are rotatably connected to the two sides of the interior of the protection box respectively, a sand table is arranged on the upper surface of a supporting plate, and a rotating mechanism used for rotatably adjusting the supporting plate is arranged between one threaded sleeve and one end of the supporting plate. A limiting mechanism used for limiting the supporting plate after rotation adjustment of the supporting plate is completed is arranged between the other threaded sleeve and the other end of the supporting plate. According to the utility model, the supporting plate can be rotated and adjusted through the rotating mechanism, and then the supporting plate is limited through the limiting mechanism after the supporting plate is rotated and adjusted, so that the angle position of the sand table can be conveniently adjusted, and the problem that the angle position of the sand table cannot be adjusted in the prior art is solved. The display range of the sand table is reduced, the sand table is not fully and comprehensively displayed, people cannot conveniently watch the sand table, and the display effect of the sand table is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand table related technical field, concretely is a layered arrangement's sand table base. BACKGROUND

[0002] Sand table is the model that mud and other materials make, has topographic sand table, construction sand table and electronic sand table etc. kind. Adopt LED lamps and lanterns, timber, pigment, mud, simulation water etc. material according to proportion to make. This model is the product of the real entity of reduction, can simulate to the matter of real world;Usually sand table is fixedly installed on sand table base.

[0003] For example, the existing publication number CN215643345U specifically discloses a civil defense shaft side layered sand table, aiming at the problem that the sand table cannot be retracted when not in use in the prior art, the following scheme is proposed, which comprises a protective box, two rotating columns are installed on the bottom inner wall of the protective box, two fixed plates are installed on the outer parts of the two rotating columns, two air cylinders are installed on the top parts of the two fixed plates, the two rotating columns are driven by a transmission mechanism installed on one side outer wall of the protective box, and the layered sand table comprises a plurality of sand table mechanisms.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned has the following problems: when the above-mentioned sand table needs to use multiple sand table mechanisms, multiple sand table mechanisms need to be lifted and adjusted out of the protective box, but the sand table in each sand table mechanism is at a horizontal angle position, and the angle position of the sand table cannot be adjusted, thereby reducing the display range of the sand table, causing insufficient and comprehensive display of the sand table, being inconvenient for people to watch, and reducing the display effect of the sand table. UTILITY MODEL CONTENTS

[0005] To solve the defects that the angle position of the sand table cannot be adjusted, the display range of the sand table is reduced, the sand table display is not sufficient and comprehensive, it is inconvenient for people to watch, and the display effect of the sand table is reduced in the prior art, the utility model provides a layered arrangement's sand table base.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model discloses a sand table base of layered arrangement, including the protection box, the protection box inside both sides are rotatably connected with the threaded rod, and a plurality of threaded sleeves are respectively screwed on two threaded rods, and the opposite two threaded sleeves are provided with the support plate respectively, the sand table is provided on the support plate upper surface, and the both ends of support plate are rotatably connected between the opposite two threaded sleeves through the pivot, and the threaded sleeve is provided with the rotating mechanism for the rotation adjustment of support plate between one end of support plate and the threaded sleeve, and the threaded sleeve is provided with the limiting mechanism for the location of support plate after the rotation adjustment of support plate between the other end of support plate and the threaded sleeve.

[0008] As a preferred technical scheme of the utility model, the rotating mechanism includes first connecting frame and first gear, the first connecting frame is fixedly connected on the outer side wall of one of the threaded sleeves, and one of the pivots is rotatably connected on the first connecting frame, the first gear is fixedly sleeved on the pivot, one side of the first connecting frame is rotatably connected with the second gear, and the second gear is engaged with the first gear, the other side of the first connecting frame is rotatably connected with the rotary disc, and the rotary disc is fixedly connected with the second gear.

[0009] As a preferred technical scheme of the utility model, the first connecting frame inner wall is threadedly connected with the fastening bolt.

[0010] As a preferred technical scheme of the utility model, the limiting mechanism includes second connecting frame and fixed plate, the second connecting frame is fixedly connected on the outer side wall of the other threaded sleeve, and the other pivot is rotatably connected on the second connecting frame, the fixed plate is fixedly connected on one side of the support plate lower surface, a plurality of clamping grooves are evenly arranged on the fixed plate in the form of circular arc, and the second connecting frame side is provided with the clamping piece for clamping into one of the clamping grooves.

[0011] As a preferred technical scheme of the utility model, the clamping piece includes the sleeve, the sleeve is fixedly connected on one side of the second connecting frame, the spring is fixedly connected on the bottom of the sleeve, one end of the spring is fixedly connected with the limiting block, one end of the limiting block is fixedly connected with the clamping block, and one end of the clamping block extends to the outside of the sleeve and is clamped into one of the clamping grooves.

[0012] As a preferred technical scheme of the utility model, the clamping groove is of circular structure, one end of the clamping block is of arc structure, and the clamping block is matched with the clamping groove.

[0013] As a preferred technical scheme of the utility model, the second connecting frame lower end is fixedly connected with the baffle, and the baffle is located directly below the fixed plate.

[0014] The sand table base has the advantages that:

[0015] The layered sand table base can conveniently adjust the angle position of the sand table, ensure the stability of the sand table after the angle adjustment, increase the display range of the sand table, make the sand table display more fully and comprehensively, facilitate people to watch, improve the display effect of the sand table, and solve the defects of the prior art that the angle position of the sand table cannot be adjusted, the display range of the sand table is reduced, the sand table display is not fully and comprehensively, people are inconvenient to watch, and the display effect of the sand table is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0017] Figure 1 is a schematic view of the overall structure of the layered sand table base of the present application;

[0018] Figure 2 is a schematic view of the structure of one of the support plates and the sand table of the layered sand table base of the present application;

[0019] Figure 3 is a schematic view of the structure of the rotating mechanism of the layered sand table base of the present application;

[0020] Figure 4 is a schematic view of the structure of the limiting mechanism of the layered sand table base of the present application;

[0021] Figure 5 is a schematic view of the structure of the limiting mechanism of the layered sand table base of the present application.

[0022] Figure 6 is a schematic view of the structure of the limiting mechanism of the layered sand table base of the present application.

[0023] Figure 7 is a schematic view of the structure of the limiting mechanism of the layered sand table base of the present application.

[0024] In the figure: 1, protective box; 2, threaded rod; 3, threaded sleeve; 4, support plate; 5, sand table; 6, rotating mechanism; 61, first connecting frame; 62, first gear; 63, second gear; 64, rotating disc; 65, fastening bolt; 7, limiting mechanism; 71, second connecting frame; 72, fixed plate; 73, clamping groove; 74, clamping piece; 741, sleeve; 742, spring; 743, limiting block; 744, clamping block; 75, baffle; 8, rotating shaft. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0026] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the present application is a layered sand table base, comprising a protective box 1, the inside of the protective box 1 is rotatably connected with threaded rods 2 on both sides, a plurality of threaded sleeves 3 are threadedly connected to the two threaded rods 2, respectively, support plates 4 are arranged between the opposite two threaded sleeves 3, respectively, a sand table 5 is arranged on the upper surface of the support plate 4, the two ends of the support plate 4 are rotatably connected between the opposite two threaded sleeves 3 through rotating shafts 8, and a rotating mechanism 6 for rotating and adjusting the support plate 4 is arranged between one threaded sleeve 3 and one end of the support plate 4, and a limiting mechanism 7 for limiting the support plate 4 after the rotating adjustment is completed is arranged between the other threaded sleeve 3 and the other end of the support plate 4.

[0027] In use, after a plurality of sand tables 5 are adjusted and raised out of the protective box 1, when the angle position of the sand table 5 needs to be adjusted, the support plate 4 can be rotated and adjusted through the rotating mechanism 6, the support plate 4 will drive the sand table 5 to rotate, and the angle position of the sand table 5 will change accordingly, when the sand table 5 is rotated and adjusted to the appropriate angle position, the limiting mechanism 7 is used to limit the support plate 4 after the rotating adjustment is completed, and the angle position of the sand table 5 at this time can be limited, so that the angle position of the sand table 5 can be conveniently adjusted, and the stability of the sand table 5 after the angle adjustment is completed can be ensured, the display range of the sand table 5 is increased, the sand table 5 can be more fully displayed, and the display effect of the sand table 5 is improved, which solves the defects of the prior art that the angle position of the sand table 5 cannot be adjusted, the display range of the sand table 5 is reduced, the sand table 5 is not fully displayed, people cannot watch conveniently, and the display effect of the sand table 5 is reduced.

[0028] The rotating mechanism 6 comprises a first connecting frame 61 and a first gear 62, the first connecting frame 61 is fixedly connected to the outer sidewall of one of the threaded sleeves 3, and one of the rotating shafts 8 is rotatably connected to the first connecting frame 61, the first gear 62 is fixedly sleeved on the rotating shaft 8, one side of the first connecting frame 61 is rotatably connected with a second gear 63, and the second gear 63 is engaged with the first gear 62, and the other side of the first connecting frame 61 is rotatably connected with a rotating disc 64, and the rotating disc 64 is fixedly connected with the second gear 63.

[0029] The first connecting frame 61 is provided with a fastening bolt 65 on the inner wall in a threaded manner.

[0030] When it is necessary to adjust the angle position of the sand table 5, the fastening bolt 65 is loosened first, then the rotating disc 64 is manually rotated by the staff, the rotating disc 64 drives the second gear 63 to rotate, the second gear 63 drives the first gear 62 to rotate, the first gear 62 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the support plate 4 to rotate; after the angle position of the sand table 5 is adjusted, the fastening bolt 65 is tightened, and the angle position of the sand table 5 at this time can be fastened.

[0031] The limiting mechanism 7 comprises a second connecting frame 71 and a fixed plate 72, the second connecting frame 71 is fixedly connected to the outer sidewall of the other threaded sleeve 3, and the other rotating shaft 8 is rotatably connected to the second connecting frame 71, the fixed plate 72 is fixedly connected to one side of the lower surface of the support plate 4, a plurality of clamping grooves 73 are arranged on the fixed plate 72 in a circular arc shape and at equal intervals, and the second connecting frame 71 is provided with a clamping piece 74 for clamping into one of the clamping grooves 73.

[0032] The clamping piece 74 comprises a sleeve 741, the sleeve 741 is fixedly connected to one side of the second connecting frame 71, a spring 742 is fixedly connected to the inner bottom of the sleeve 741, one end of the spring 742 is fixedly connected with a limiting block 743, one end of the limiting block 743 is fixedly connected with a clamping block 744, and one end of the clamping block 744 extends to the outside of the sleeve 741 and is clamped into one of the clamping grooves 73, the clamping groove 73 is a circular structure, one end of the clamping block 744 is a circular arc structure, and the clamping block 744 is matched with the clamping groove 73.

[0033] The second connecting frame 71 is fixedly connected with a baffle 75 at the lower end, and the baffle 75 is located directly below the fixed plate 72, and the baffle 75 can protect the fixed plate 72 from being damaged by extrusion when the plurality of sand tables 5 are stored in the protection box 1.

[0034] When the sand table 5 is adjusted to a certain angular position, the fixed plate 72 will rotate with the plurality of clamping grooves 73, one of the clamping grooves 73 will be opposite to the clamping block 744, the clamping block 744 will be automatically clamped into the clamping groove 73 under the elastic force of the spring 742, so as to limit the support plate 4 after the rotation adjustment is completed; when the support plate 4 is rotated again, the rotation process of the support plate 4 with the fixed plate 72 will squeeze the clamping block 744 out of the clamping groove 73.

[0035] In work, after a plurality of sand tables 5 are lifted and adjusted out of the protection box 1, when the angular position of the sand table 5 needs to be adjusted, the fastening bolt 65 is loosened first, then the staff rotates the rotating disc 64 manually, the rotating disc 64 drives the second gear 63 to rotate, the second gear 63 drives the first gear 62 to rotate, the first gear 62 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the support plate 4 to rotate, the support plate 4 drives the sand table 5 to rotate, and the angular position of the sand table 5 changes accordingly; when the sand table 5 is adjusted to a suitable angular position, the fixed plate 72 will rotate with the plurality of clamping grooves 73, one of the clamping grooves 73 will be opposite to the clamping block 744, the clamping block 744 will be automatically clamped into the clamping groove 73 under the elastic force of the spring 742, so as to limit the support plate 4 after the rotation adjustment is completed; the fastening bolt 65 is tightened, the angular position of the sand table 5 at this time is fastened, so as to not only conveniently adjust the angular position of the sand table 5, but also ensure the stability of the sand table 5 after the angular adjustment is completed, increase the display range of the sand table 5, make the sand table 5 display more fully and comprehensively, facilitate people to watch, and improve the display effect of the sand table 5; when the angular position of the sand table 5 needs to be adjusted again, the fastening bolt 65 is loosened again, and the rotation process of the support plate 4 with the fixed plate 72 will squeeze the clamping block 744 out of the clamping groove 73; when the sand table 5 needs to be stored in the protection box 1, the sand table 5 needs to be adjusted to a horizontal angle first.

[0036] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A layered sand table base, comprising a protective box (1), wherein threaded rods (2) are rotatably connected to both sides inside the protective box (1), and a plurality of threaded sleeves (3) are threadedly sleeved on each of the two threaded rods (2), and a support plate (4) is respectively provided between two opposing threaded sleeves (3), and a sand table (5) is provided on the upper surface of the support plate (4), characterized in that, The two ends of the support plate (4) are rotatably connected between two opposing threaded sleeves (3) via rotating shafts (8). One of the threaded sleeves (3) is provided with a rotating mechanism (6) for adjusting the rotation of the support plate (4) at one end, and a limiting mechanism (7) is provided with the other threaded sleeve (3) for limiting the support plate (4) after the rotation adjustment is completed.

2. The layered sand table base according to claim 1, characterized in that, The rotating mechanism (6) includes a first connecting frame (61) and a first gear (62). The first connecting frame (61) is fixedly connected to the outer wall of one of the threaded sleeves (3), and one of the rotating shafts (8) is rotatably connected to the first connecting frame (61). The first gear (62) is fixedly sleeved on the rotating shaft (8). A second gear (63) is rotatably connected to one side of the first connecting frame (61), and the second gear (63) meshes with the first gear (62). A turntable (64) is rotatably connected to the other side of the first connecting frame (61), and the turntable (64) is fixedly connected to the second gear (63).

3. The layered sand table base according to claim 2, characterized in that, The inner wall of the first connecting frame (61) is threaded with fastening bolts (65).

4. The layered sand table base according to claim 1, characterized in that, The limiting mechanism (7) includes a second connecting frame (71) and a fixing plate (72). The second connecting frame (71) is fixedly connected to the outer wall of another threaded sleeve (3), and another rotating shaft (8) is rotatably connected to the second connecting frame (71). The fixing plate (72) is fixedly connected to one side of the lower surface of the support plate (4). The fixing plate (72) has several slots (73) evenly spaced in an arc shape. The second connecting frame (71) has a clip (74) on one side for engaging with one of the slots (73).

5. A layered sand table base according to claim 4, characterized in that, The clip (74) includes a sleeve (741) which is fixedly connected to one side of the second connecting frame (71). A spring (742) is fixedly connected to the bottom of the sleeve (741). A limit block (743) is fixedly connected to one end of the spring (742). A locking block (744) is fixedly connected to one end of the limit block (743). One end of the locking block (744) extends to the outside of the sleeve (741) and is locked in one of the slots (73).

6. A layered sand table base according to claim 5, characterized in that, The slot (73) has a circular structure, and one end of the card block (744) has an arc-shaped structure, and the card block (744) is adapted to the slot (73).

7. A layered sand table base according to claim 5, characterized in that, The lower end of the second connecting frame (71) is fixedly connected to a baffle (75), and the baffle (75) is located directly below the fixed plate (72).

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