CN219143649U

CN219143649U - Sand table

Info

Publication number: CN219143649U
Application number: CN202223514318.0U
Authority: CN
Inventors: 杨书
Original assignee: Sichuan Railway Vocational College
Current assignee: Sichuan Railway Vocational College
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a sand table, and belongs to the technical field of sand tables. The utility model provides a sand table aiming at the problems that the sand table in the prior art is large in occupied area and inconvenient to store, and comprises a table body, wherein the table body comprises a fixing part and a telescopic part, a telescopic mechanism for driving the telescopic part to stretch in the fixing part is arranged between the fixing part and the telescopic part, a curtain is paved on the table surface of the table body, two ends of the curtain are respectively arranged in the fixing part and the telescopic part, a winding mechanism for automatically winding the curtain is arranged in the fixing part or the telescopic part, a fixing frame is arranged on the fixing part, a projector matched with the curtain is arranged on the fixing frame, a magnetic attraction area is arranged on the table surface of the table body, and a sand table component is connected to the magnetic attraction area. According to the utility model, only the telescopic mechanism is required to be started, so that the telescopic part is retracted into the fixed part, the occupied area of the table body is reduced, and the storage is convenient.

Description

Sand table

Technical Field

The utility model belongs to the technical field of sand tables, and particularly relates to a sand table.

Background

At present, innovative teaching has evolved into a brand new mode of education and teaching worldwide, and sand tables are widely applied to various classrooms as teaching auxiliary tools.

The existing teaching sand table is large in general volume, large in occupied area and inconvenient to store, the accommodating space of a classroom is very limited, when other activities are needed in the classroom, the movable space of the classroom can be greatly reduced by the sand table placed in the classroom, and the existing teaching sand table is also inconvenient to move due to large volume and heavy mass, even if universal wheels convenient to move are also arranged on the existing sand table, the moving is also very laborious, and therefore the teaching sand table convenient to store is necessary.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a sand table.

The technical scheme adopted by the utility model is as follows:

the utility model provides a sand table, includes the table body, the table body includes fixed part and telescopic part, be provided with between fixed part and the telescopic part and be used for driving telescopic part telescopic mechanism in the fixed part, the desktop upper berth of the table body has laid the curtain, the both ends of curtain set up respectively in fixed part and telescopic part, and be provided with the winding mechanism that is used for automatic winding curtain in fixed part or the telescopic part, be provided with the mount on the fixed part, be provided with on the mount with curtain complex projecting apparatus, set up the magnetism on the desktop of the table body and inhale the district, the magnetism is inhaled the district and is connected with the sand table subassembly.

After the technical scheme is adopted, when the sand table is not needed, the telescopic mechanism is only required to be started, the telescopic part is retracted into the fixed part, the occupied area of the table body is reduced, the storage is convenient, when the sand table is used, the telescopic part is extended out through the telescopic mechanism, meanwhile, the curtain is unfolded, the projector projects a scene picture to the curtain, a student can place a sand table assembly on the scene picture on the curtain, the sand table assembly is adsorbed on the tabletop through the magnetic force of the magnetic attraction area, the movement is convenient, the student carries out activities such as simulation operation, the operation ability of the student is improved, and the telescopic part is retracted into the fixed part after the use is finished.

Preferably, the fixing part is provided with a groove matched with the telescopic part on one side close to the telescopic part, the telescopic mechanism comprises a gear fixedly arranged in the groove, the telescopic part is provided with a rack meshed with the gear, the gear is connected with a driving motor, and the driving motor is connected with a power supply and a control button.

After the technical scheme is adopted, the driving motor is started through the control button to drive the gear to rotate, so that the rack meshed with the gear is driven to move, and the telescopic part is driven to shrink or stretch out of the groove.

Preferably, the winding mechanism comprises a containing cavity arranged at the fixing part or the telescopic part, a cloth winding rod is arranged in the containing cavity, a torsion spring is arranged on the cloth winding rod, the containing cavity is provided with an extending opening communicated with the tabletop of the table body, one end of the curtain extends into the containing cavity from the extending opening to be connected with the cloth winding rod, and the other end of the curtain is fixedly connected with the fixing part or the telescopic part.

After the technical scheme is adopted, when the telescopic part is contracted, the torsion spring on the cloth rolling rod drives the curtain to roll on the cloth rolling rod, and when the telescopic part is stretched out, the curtain is driven to stretch out from the cloth rolling rod, so that the curtain is stretched out.

Preferably, the fixing frame is rotatably connected with the fixing part.

After the technical scheme is adopted, the fixing frame is rotated again when the projector needs to be used, so that the fixing frame is erected, the projector is aligned to the curtain, and the projector is rotated down to be stored when the projector does not need to be used.

Preferably, the fixed box with the top open is fixedly arranged at two ends of the fixed part, a side opening is formed in one side of the fixed box, a baffle is slidably connected to the side opening of the fixed box, two ends of the fixed frame are respectively connected with the two fixed boxes in a rotating mode, and the maximum rotating angle of the fixed frame is 90 degrees.

After the technical scheme is adopted, when the fixed frame needs to be erected, the fixed frame is rotated by hands to erect the fixed frame, then the baffle plate is pushed to block the side opening of the fixed box, the fixed frame is abutted and fixed in the fixed box through the baffle plate, so that the fixed frame is kept in a vertical erecting state, when the fixed frame needs to be stored, the push plate is pulled out, then the fixed frame is rotated, the fixed frame is rotated by 90 degrees to enable the fixed frame to be parallel to a horizontal plane when being stored, and the fixed frame is perpendicular to the horizontal plane when being erected.

Preferably, the projector is detachably connected with the fixing frame, a placement box is fixedly arranged in the middle of the fixing frame, an exposure opening for exposing a projection opening of the projector is arranged at the bottom of the placement box, the placement box comprises a jacking cover for fixing the projector in the placement box, and the placement box is hinged to the jacking cover.

After the technical scheme is adopted, when the sand table is needed to be used, the projector is installed in the placement box, and when the sand table is not needed to be used, the projector can be taken out to other places for use.

Preferably, the legs of the telescopic part are provided with universal wheels.

After the technical scheme is adopted, when the telescopic part is required to be telescopic, the brake mechanism of the universal wheel is opened, and the telescopic part is convenient to move.

Preferably, a drawer for accommodating the sand table assembly is arranged at the lower part of the fixing part.

After the technical scheme is adopted, the sand table assembly is convenient to store.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. when need not use the sand table, only need start telescopic machanism, make the telescopic machanism retract into in the fixed part, reduce the area of the table body, be convenient for accomodate, when using the sand table, stretch out the telescopic machanism, simultaneously with the curtain expansion, project the sight picture to the curtain through the projecting apparatus, make the student can place the sand table subassembly on the sight picture on the curtain, adsorb the sand table subassembly on the desktop through the magnetic force of magnetism suction zone, be convenient for remove, make the student carry out activities such as simulation operation, improve student's hand ability, after the use, with the telescopic machanism shrink into the fixed part can.

2. When the fixing frame is required to be erected, the fixing frame is rotated by hands to erect the fixing frame, then the baffle plate is pushed to block the side opening of the fixing box, the fixing frame is abutted and fixed in the fixing box through the baffle plate, so that the fixing frame is kept in a vertical erecting state, when the fixing frame is required to be stored, the push plate is pulled out, then the fixing frame is rotated, the maximum rotation angle of the fixing frame is 90 degrees, so that the fixing frame is parallel to the horizontal plane when being stored, and the fixing frame is vertical to the horizontal plane when being erected.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the telescoping portion of FIG. 1 in a contracted configuration;

FIG. 3 is an enlarged view of a portion at A of FIG. 1;

FIG. 4 is a schematic structural view of the fixing frame of the present utility model;

wherein: the device comprises a telescopic part, a fixed part, a 3-placing box, a 4-fixing frame, a 5-drawer, a 6-control button, 7-universal wheels, an 8-template, a 9-fixing box, a 10-baffle and an 11-propping cover.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of description and simplicity of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The present utility model is described in detail below with reference to fig. 1-4.

The utility model provides a sand table, includes the table body, the table body includes fixed part 2 and telescopic part 1, be provided with between fixed part 2 and the telescopic part 1 and be used for driving telescopic part 1 telescopic machanism in fixed part 2, the desktop upper berth of the table body has laid curtain 8, the both ends of curtain 8 set up respectively in fixed part 2 and telescopic part 1, and be provided with the winding mechanism that is used for automatic winding curtain 8 in fixed part 2 or telescopic part 1, be provided with mount 4 on the fixed part 2, be provided with on the mount 4 with curtain 8 complex projecting apparatus, set up the magnetism on the desktop of the table body and inhale the district, the magnetism is inhaled the district and is connected with the sand table subassembly.

In this embodiment, the fixed part 2 is close to the one side of telescopic part 1 and has seted up with telescopic part 1 complex recess, telescopic machanism is including the fixed gear that sets up in the recess, be provided with on the telescopic part 1 with gear engagement's rack, gear connection has driving motor, driving motor is connected with power and control button 6.

In this embodiment, winding mechanism is including setting up the chamber that holds at fixed part 2 or telescopic part 1, hold the intracavity and be provided with the batching pole, be provided with the torsional spring on the batching pole, hold the chamber be provided with the extension mouth of the desktop intercommunication of the table body, the one end of curtain 8 is followed the extension mouth stretches into hold the intracavity with the batching pole links to each other, the other end and the fixed part 2 of curtain 8 or telescopic part 1 fixed connection.

In this embodiment, the fixing frame 4 is rotatably connected to the fixing portion 2.

In this embodiment, the fixed box 9 that is provided with the top open-ended is fixed at the both ends of fixed part 2, the side opening has been seted up to one side of fixed box 9, the side opening part sliding connection of fixed box 9 has baffle 10, the both ends of mount 4 are connected with two fixed boxes 9 rotation respectively, the biggest rotation angle of mount 4 is 90 degrees.

In this embodiment, the baffle 10 is provided with a protrusion for facilitating push-pull.

In this embodiment, the projector can be dismantled with mount 4 and be connected, the fixed box 3 that is provided with in middle part of mount 4, the bottom of placing box 3 is provided with the exposure mouth that is used for exposing the projection mouth of projector, place box 3 including being used for fixing the projector in the tight lid 11 in top of placing box 3, place box 3 and tight lid 11 in top hinge.

In this embodiment, the projector is a rechargeable wireless connection projector.

In this embodiment, the legs of the telescopic part 1 are provided with universal wheels 7.

In this embodiment, a drawer 5 for accommodating a sand table assembly is provided at the lower part of the fixing part 2.

The specific use method of the utility model is as follows:

referring to fig. 1-4, when using the sand table, the top cover 11 is opened, the projector is placed in the placement box 3, the driving motor is started through the control button 6 to drive the gear to rotate, so as to drive the rack meshed with the gear to move, the telescopic part 1 is driven to extend out of the groove, when the telescopic part extends out, the curtain 8 is driven to extend out of the cloth rolling rod, so as to be unfolded, the fixing frame 4 is rotated by hand to stand up, then the baffle 10 is pushed to block the side opening of the fixing box 9, the fixing frame 4 is abutted and fixed in the fixing box 9 through the baffle 10, so that the fixing frame 4 is kept in a vertical standing state, a scene picture is projected to the curtain 8 through the projector, a student can place the sand table component on the scene picture on the curtain 8, the sand table component is adsorbed on the tabletop through the magnetic force of the magnetic attraction area, the movement is facilitated, the student can perform activities such as analog operation, and the manual operation capability of the student is improved;

when need not use the sand table, start driving motor through control button 6 and drive gear rotation to drive the rack with gear engagement and remove, drive the shrink of telescopic part 1 and advance the recess, make the shrink of telescopic part 1 retract into fixed part 2 in, the torsional spring on the batching pole drives curtain 8 and rolls up on the batching pole when the shrink of telescopic part 1, then pull out baffle 10, then rotate mount 4 make mount 4 with the horizontal plane level can, then open tight lid 11 in top, take out the projecting apparatus, reduce the area of the table body, be convenient for accomodate.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

Claims

1. The utility model provides a sand table, includes the table body, its characterized in that: the utility model provides a table body includes fixed part (2) and telescopic part (1), be provided with between fixed part (2) and telescopic part (1) and be used for driving telescopic part (1) telescopic mechanism in fixed part (2), the desktop of the table body is laid curtain (8), the both ends of curtain (8) set up respectively in fixed part (2) and telescopic part (1), and be provided with the winding mechanism that is used for automatic winding curtain (8) in fixed part (2) or telescopic part (1), be provided with mount (4) on fixed part (2), be provided with on mount (4) with curtain (8) complex projecting apparatus, set up the magnetism on the desktop of the table body and inhale the district, the magnetism is inhaled the district and is connected with sand table subassembly.

2. A sand table according to claim 1, characterized in that: one side of the fixed part (2) close to the telescopic part (1) is provided with a groove matched with the telescopic part (1), the telescopic mechanism comprises a gear fixedly arranged in the groove, the telescopic part (1) is provided with a rack meshed with the gear, the gear is connected with a driving motor, and the driving motor is connected with a power supply and a control button (6).

3. A sand table according to claim 1, characterized in that: the winding mechanism comprises a containing cavity arranged on the fixing portion (2) or the telescopic portion (1), a cloth winding rod is arranged in the containing cavity, a torsion spring is arranged on the cloth winding rod, the containing cavity is provided with an extending opening communicated with a tabletop of the table body, one end of the curtain (8) extends into the containing cavity from the extending opening to be connected with the cloth winding rod, and the other end of the curtain (8) is fixedly connected with the fixing portion (2) or the telescopic portion (1).

4. A sand table according to claim 1, characterized in that: the fixing frame (4) is rotationally connected with the fixing part (2).

5. A sand table as claimed in claim 4, wherein: the fixing box is characterized in that fixing boxes (9) with top openings are fixedly arranged at two ends of the fixing portion (2), side openings are formed in one sides of the fixing boxes (9), baffle plates (10) are slidably connected to the side openings of the fixing boxes (9), two ends of the fixing frame (4) are respectively connected with the two fixing boxes (9) in a rotating mode, and the maximum rotating angle of the fixing frame (4) is 90 degrees.

6. A sand table as claimed in claim 4, wherein: the projector is detachably connected with the fixing frame (4), the middle part of the fixing frame (4) is fixedly provided with a placement box (3), the bottom of the placement box (3) is provided with an exposure opening for exposing a projection opening of the projector, the placement box (3) comprises a jacking cover (11) for fixing the projector in the placement box (3), and the placement box (3) is hinged with the jacking cover (11).

7. A sand table according to claim 1, characterized in that: the table legs of the telescopic parts (1) are provided with universal wheels (7).

8. A sand table according to claim 1, characterized in that: the lower part of the fixing part (2) is provided with a drawer (5) for accommodating the sand table assembly.