CN214312346U

CN214312346U - Sand table for agricultural teaching

Info

Publication number: CN214312346U
Application number: CN202022083886.4U
Authority: CN
Inventors: 孔翰博; 蔡肯; 林钦永; 铁风莲; 王克强
Original assignee: Zhongkai University of Agriculture and Engineering
Current assignee: Zhongkai University of Agriculture and Engineering
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-09-28
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a sand table for agricultural teaching belongs to agro-education equipment technical field, including the sand table support, horizontal channel, the spacing groove, card wheel device and sand table case, wherein horizontal channel sets up the top at the sand table support, the end-to-end connection of horizontal channel has the spacing groove, card wheel device sets up the below at horizontal channel, card wheel device includes the baffle, a pressing plate, the connecting rod, dwang and branch, wherein the baffle sets up in card wheel device upper end, the baffle end is equipped with the baffle channel, baffle slidable mounting is inside the baffle channel, the baffle below is equipped with branch, branch below movable mounting has the dwang, the dwang end is equipped with the connecting rod, connecting rod slidable mounting is at card wheel device middle part, connecting rod top fixedly connected with clamp plate. The utility model discloses an at the inside movable mounting of sand table support there is multiunit sand table case, can carry out the replacement of sand table case fast according to the demand and use, when not using the sand table, can also seal the sand table and preserve simultaneously, the dust that reduces the sand table is piled up.

Description

Sand table for agricultural teaching

Technical Field

The utility model relates to an agricultural teaching equipment technical field specifically is a sand table for agricultural teaching is related to.

Background

Along with the rapid development of agricultural modernization, in order to adapt to the demand of agricultural teaching, visual teaching sand table has become indispensable appurtenance in the agricultural teaching, and agricultural teaching sand table on the market all adopts vertical desktop basically at present to put and install of sand table carries out on the desktop, and this kind of sand table not only area is great, and the article on the sand table is changed very trouble moreover, still piles up the dust easily.

Therefore, it is desirable to provide a sand table for agricultural teaching, which aims to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides a sand table for agricultural teaching to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sand table for agricultural teaching, including the sand table support, the horizontal channel, the spacing groove, card wheel device and sand table case, wherein the horizontal channel sets up the top at the sand table support, the end-to-end connection of horizontal channel has the spacing groove, card wheel device sets up the below at the horizontal channel, card wheel device includes the baffle, a pressing plate, the connecting rod, dwang and branch, wherein the baffle setting is at card wheel device upper end, the baffle end is provided with the baffle channel, baffle slidable mounting is inside the baffle channel, the baffle below is equipped with branch, branch and baffle swing joint, branch below movable mounting has the dwang, the dwang end is equipped with the connecting rod, connecting rod slidable mounting takes turns the device middle part at the card, connecting rod top fixedly connected with clamp plate.

As a further scheme of the utility model, horizontal channel below is equipped with three card and takes turns the device, and the equidistance is arranged between the card takes turns the device.

As a further scheme of the utility model, the inside reset spring that is equipped with of card wheel device, reset spring install between clamp plate and card wheel device, and the connecting rod passes reset spring and is connected with the clamp plate, installs the fixed axle on the dwang, and the dwang passes through the fixed axle to be connected with horizontal channel rotation, all through hinge swing joint between baffle, connecting rod, dwang and the branch.

As a further aspect of the present invention, the sand table box comprises a left box, a right box, a connecting shaft, a roller and a handle, wherein the left box and the right box are connected by the connecting shaft, the handle is fixedly mounted at both ends of the left box and the right box, the roller and the handle are arranged between the handle and the left box and the right box.

As a further aspect of the present invention, the sand table box is in rolling fit with the horizontal channel through the roller.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses an at the inside movable mounting of sand table support there is multiunit sand table case, can carry out the replacement of sand table case fast according to the demand and use, when not using the sand table, can also seal the sand table and preserve simultaneously, the dust that reduces the sand table is piled up.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is a detailed schematic view of the wheel locking device in the embodiment of the present invention.

Fig. 4 is a schematic perspective view of a sand table bracket according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a sand table box in an embodiment of the present invention.

Fig. 6 is a schematic structural view of embodiment 2 of the present invention.

Reference numerals: 1-sand table bracket, 2-horizontal channel, 3-limit groove, 4-wheel clamping device, 401-baffle, 402-baffle channel, 403-pressing plate, 404-connecting rod, 405-reset spring, 406-rotating rod, 407-fixed shaft, 408-supporting rod, 5-sand table box, 501-left box, 502-right box, 503-connecting shaft, 504-roller, 505-handle, 506-connecting plate and 507-rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

Referring to fig. 1 to 5, a sand table for agricultural teaching comprises a sand table bracket 1, a horizontal channel 2, a limit groove 3, a wheel clamping device 4 and a sand table box 5, wherein the horizontal channel 2 is arranged at the top of the sand table bracket 1, the tail end of the horizontal channel 2 is connected with a limiting groove 3, the wheel clamping device 4 is arranged below the horizontal channel 2, the wheel clamping device 4 comprises a baffle 401, a pressing plate 403, a connecting rod 404, a rotating rod 406 and a supporting rod 408, wherein baffle 401 sets up in 4 upper ends of calorie wheel device, and baffle 401 end is provided with baffle channel 402, and baffle 401 slidable mounting is equipped with branch 408 in baffle channel 402 inside baffle 401 below, branch 408 and baffle 401 swing joint, and branch 408 below movable mounting has dwang 406, and the dwang 406 end is equipped with connecting rod 404, and connecting rod 404 slidable mounting is in 4 middle parts of calorie wheel device, and fixedly connected with clamp plate 403 above connecting rod 404.

Three clamping wheel devices 4 are arranged below the horizontal channel 2 at equal intervals, a return spring 405 is arranged inside each clamping wheel device 4, the return spring 405 is arranged between the pressing plate 403 and the clamping wheel device 4, the connecting rod 404 penetrates through the return spring 405 to be connected with the pressing plate 403, a fixed shaft 407 is arranged on the rotating rod 406, the rotating rod 406 is rotatably connected with the horizontal channel 2 through the fixed shaft 407, the baffle 401, the connecting rod 404, the rotating rod 406 and the supporting rod 408 are movably connected through hinges, the sand table box 5 comprises a left box 501, a right box 502, a connecting shaft 503, a roller 504 and a handle 505, wherein the left box 501 and the right box 502 are movably connected through a connecting shaft 503, both ends of the left box 501 and the right box 502 are fixedly provided with a grip 505, a roller 504 is arranged between the grip 505 and the left box 501 as well as between the grip 505 and the right box 502, the roller 504 is movably connected with the grip 505, and the sand table box 5 is in rolling fit with the horizontal channel 2 through the roller 504.

The utility model discloses a theory of operation is: if the teaching sand table is used, three sand table boxes 5 are arranged in the sand table, different sand table maps are respectively arranged in the three sand table boxes 5, when one of the sand tables needs to be used, a user holds the handle 505 to lift the sand table boxes 5 upwards and then pulls the sand table boxes towards the left side and the right side of the sand table bracket 1, when the sand table boxes 5 are pulled by the left side and the right side, the left box 501 and the right box 502 which are connected through the connecting shaft 503 are rotated and opened, meanwhile, the sand table folded in the sand table boxes 5 is turned outwards, the roller 504 on the sand table boxes 5 slides along the horizontal channel 2, when the sand table boxes 5 are completely unfolded, the user clamps the roller 504 into the limiting groove 3 at the tail end of the horizontal channel 2, so that the front of the sand table can be upwards fixed on the sand table bracket 1 for study use, when another sand table needs to be used, the roller 504 of the sand table boxes 5 is taken out of the limiting groove 3, the sand table box 5 is folded towards the center, then the roller 504 of the sand table box 5 is placed into the corresponding wheel clamping device 4, after the roller 504 is placed into the wheel clamping device 4, the roller 504 presses the pressing plate 403 downwards under the action of gravity, the rotating rod 406 movably connected with the pressing plate 403 starts to rotate around the fixed shaft 407, the return spring 405 below the pressing plate 403 is compressed, when the rotating rod 406 rotates around the fixed shaft 407, the supporting rod 408 movably connected with the rotating rod 406 starts to move, and the supporting rod 408 pushes the baffle 401 outwards from the baffle channel 402 in the moving process, so that the baffles 401 above are clamped with each other, finally the roller 504 is placed in the interior of the wheel clamping device 4, at the moment, other sand table boxes 5 are taken, the roller 504 connected with the sand table boxes can roll over the baffle 401 and finally be fixed in the limiting groove 3, and the installation of other sand tables is completed, when grip 505 is lifted upward, return spring 405 lifts pressure plate 403 upward, thereby drawing baffle 401 back into baffle channel 402.

The advantage of this embodiment lies in, has multiunit sand table case 5 through at 1 inside movable mounting of sand table support, can carry out the replacement of sand table case 5 fast as required and use, when not using the sand table, can also seal the save with the sand table simultaneously, reduces the dust of sand table and piles up.

Example 2

Referring to fig. 6, a sand table for agricultural teaching has a main structure similar to that of embodiment 1, and a sand table box 5 is improved, wherein a connecting plate 506 is disposed on the right side of a left box 501, a connecting plate 506 is connected to the left side of a right box 502, and the left box 501, the right box 502 and the connecting plate 506 are connected by a rotating shaft 507.

The utility model discloses a theory of operation is: when the sand table box 5 needs to be folded and stored in the sand table support 1, the left box 501 rotates around the rotating shaft 507 to rotate along the pointer, and the right box 502 rotates around the rotating shaft 507 counterclockwise, so that the sand table box 5 can be folded and stored in the sand table support 1.

The advantage of this embodiment is that the left box 501 and the right box 502 connected by the connecting plate 506 have a flat bottom when unfolded, which facilitates the placement of the sand table, and does not affect the internal structure of the sand table when folded.

In the description of the present invention, it is to be understood that the terms "left side", "bottom", "right side", "top", "upper", "one side", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; the term "connected" refers to a connection between two elements or an interaction between two elements, and unless otherwise specifically defined, the term is used in the present invention to refer to the specific meaning of the term in the present invention.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sand table for agricultural teaching comprises a sand table support (1), a horizontal channel (2), a limiting groove (3), a clamping wheel device (4) and a sand table box (5), and is characterized in that the horizontal channel (2) is arranged at the top of the sand table support (1), the tail end of the horizontal channel (2) is connected with the limiting groove (3), the clamping wheel device (4) is arranged below the horizontal channel (2), the clamping wheel device (4) comprises a baffle (401), a pressing plate (403), a connecting rod (404), a rotating rod (406) and a support rod (408), wherein the baffle (401) is arranged at the upper end of the clamping wheel device (4), the tail end of the baffle (401) is provided with the baffle channel (402), the baffle (401) is slidably arranged inside the baffle channel (402), the support rod (408) is arranged below the baffle (401), the support rod (408) is movably connected with the baffle (401), and the support rod (406) is movably arranged below the support rod (408), the tail end of the rotating rod (406) is provided with a connecting rod (404), the connecting rod (404) is slidably mounted in the middle of the clamping wheel device (4), and a pressing plate (403) is fixedly connected above the connecting rod (404).

2. The sand table for agricultural teaching according to claim 1, wherein three clamping wheel devices (4) are arranged below the horizontal channel (2), and the clamping wheel devices (4) are arranged at equal intervals.

3. The sand table for agricultural teaching according to claim 2, wherein a return spring (405) is arranged inside the wheel clamping device (4), the return spring (405) is installed between the pressing plate (403) and the wheel clamping device (4), the connecting rod (404) penetrates through the return spring (405) to be connected with the pressing plate (403), a fixing shaft (407) is installed on the rotating rod (406), the rotating rod (406) is rotatably connected with the horizontal channel (2) through the fixing shaft (407), and the baffle plate (401), the connecting rod (404), the rotating rod (406) and the supporting rod (408) are movably connected through hinges.

4. The sand table for agricultural teaching of claim 1, wherein the sand table box (5) comprises a left box (501), a right box (502), a connecting shaft (503), rollers (504) and a handle (505), wherein the left box (501) and the right box (502) are movably connected through the connecting shaft (503), handles (505) are fixedly mounted at both ends of the left box (501) and the right box (502), the rollers (504) are arranged between the handles (505) and the left box (501) as well as between the right box (502), and the rollers (504) are movably connected with the handles (505).

5. Sand table for agricultural teaching according to claim 4, characterized in that the sand table box (5) is in rolling engagement with the horizontal channel (2) by means of rollers (504).