Adjustable display board

Abstract

The utility model relates to the technical field of primary school education equipment, in particular to an adjustable display board which comprises a lower shell, a double-shaft motor is fixedly connected to the right end face of the lower shell, a threaded rod is fixedly connected to the output end of the double-shaft motor, a first moving block is spirally connected to the outer side of the threaded rod, and an inner threaded hole is formed in the first moving block. A connecting rod is fixedly connected to the top of the first moving block, a first display board and a second display board are fixedly connected to the end, away from the first moving block, of the connecting rod, and the top ends of the first display board and the second display board are fixedly connected with the bottom end of the connecting rod; through design cooperation, the device can adjust the positions of the first display board and the second display board, students on the left side and the right side can observe the content of the display boards at the opposite positions, and meanwhile the situation that the students stare at the same position for a long time, and consequently certain problems occur to the eyes of the students is avoided to a certain degree; and the feeling of students watching the display board is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of primary school educational equipment, in particular to an adjustable display board. Background Art

[0002] Display boards are exhibition equipment used in primary schools to paste students' drawings and texts. Information is also pasted on the display boards for students to see;

[0003] After checking, the public (announcement) number: CN219661345U discloses an adjustable display board. This technology discloses "an adjustable display board, including a display board shell, a display board body is arranged inside the display board shell, a support frame is fixedly connected to the surface of the display board body, a first spring is fixedly connected to the inside of the support frame, one end of the first spring is fixedly connected to a slider, the surface of the support frame is provided with a first slide groove and a second slide groove, one end of the slide rod is fixedly connected to an insert block, and the surface of the slide rod is provided with a slot. The utility model provides an adjustable display board, first slide the slide rod to the right, drive the slider to slide along the slide groove, the insert block enters the inside of the fixed block, the insert rod is plugged into the slot under the action of the second spring, and then the student's work is placed on the surface of the support frame. After the placement is completed, pull the insert rod, and the slider fixes the student's work under the action of the first spring. This design allows the teacher to quickly adjust the student's work for display when placing it, which provides convenience for the teacher";

[0004] When the existing display board is used, paper is pasted on the display board, but the display board is generally set in the center of the classroom. Students sitting under the display board in the middle position can look directly at the display board, while students sitting on the left and right sides of the display board generally look at the display board from the side, which not only affects the students' viewing experience of the display board, but also makes it easy for students to squint when staring at one position for a long time, affecting their eyesight.

[0005] In order to solve the above problems, an adjustable display board is proposed in the present application. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides an adjustable display board, which can automatically adjust the position of the display board and increase the display area of ​​the display board.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable display board comprises a lower shell, the right end face of the lower shell is fixedly connected to a double-axis motor, the output end of the double-axis motor is fixedly connected to a threaded rod, the outer side of the threaded rod is spirally connected to a first moving block, an internal threaded hole is opened inside the first moving block, the top of the first moving block is fixedly connected to a connecting rod, one end of the connecting rod away from the first moving block is fixedly connected to a first display plate and a second display plate, the top ends of the first display plate and the second display plate are fixedly connected to the bottom end of the connecting rod, the end of the connecting rod away from the first display plate and the second display plate is fixedly connected to the second moving block, a sliding hole is opened in the middle of the second moving block, and a limiting rod is slidably connected in the middle of the second moving block, the top ends of the left and right sides of the limiting rod are fixedly connected to the upper shell, and the left and right ends of the upper shell are fixedly connected to connecting plates.

[0008] As a preferred adjustable display board of the utility model, the left top end of the threaded rod is rotatably connected to the left top end inside the lower shell body, the bottom of the first movable block is in contact with the lower inside of the lower shell body, the outer side of the connecting rod at the top of the first movable block is slidably connected to the upper inside of the lower shell body, the top of the second movable block is in contact with the upper inside of the upper shell body, and the outer side of the connecting rod at the bottom of the second movable block is slidably connected to the lower inside of the upper shell body. The position of the first display board and the second display board can be adjusted to allow students on the left and right sides to observe the contents of the display boards in opposite positions.

[0009] As a preferred adjustable display board of the utility model, the number of the threaded rods and the limit rods are both two, the threaded rods are distributed on the front and rear sides inside the lower shell, and the limit rods are distributed on the front and rear sides inside the upper shell, the threaded rods and the limit rods are parallel to each other, and a dual-axis motor can be used to drive the first display board and the second display board to slide left and right, thereby reducing the use of structures to a certain extent and reducing production costs.

[0010] As a preferred adjustable display board of the utility model, the inner wall of the internal threaded hole inside the first moving block is provided with an internal thread, and the internal thread pitch inside the first moving block matches the thread pitch outside the threaded rod, and the caliber of the sliding hole inside the second moving block matches the cross-sectional diameter of the limiting rod, so that the first moving blocks of the first display board and the second display board can move following the rotation of the threaded rod, and the limiting rod limits the second moving block at the top of the first display board and the second display board.

[0011] As a preferred adjustable display board of the utility model, through grooves are provided on the top of the lower shell and the bottom of the upper shell, and the width of the through grooves provided on the top of the lower shell and the bottom of the upper shell matches the front-rear length of the connecting rod. There are four connecting rods at the edges of the first display board and the second display board, and the bottom ends of the connecting rods are fixed to the first moving block, and the top ends are fixed to the second moving block. The first display board is distributed on the rear side above the lower shell and below the upper shell, and the second display board is distributed on the front side above the lower shell and below the upper shell, so that the dual-axis motor drives the first display board and the second display board to slide left and right through the rotating threaded rod, and the first display board and the second display board do not interfere with each other when sliding.

[0012] As a preferred adjustable display board of the utility model, a slide groove is opened on the right side below the rear end surface of the second display board, an extension plate is slidably connected to the right side of the rear end surface of the second display board, and a clamping plate is fixedly connected to the left end surface of the extension plate.

[0013] As a preferred adjustable display board of the utility model, a sliding groove identical to that of the second display board is provided on the left side below the rear end surface of the first display board, and the extension board is slidably connected to the left side of the rear end surface of the first display board. The cross-sectional shape of the card board plus the extension board is "T"-shaped, and a magnetic strip is provided on the outer end surface of the card board, which can increase the display area of ​​a part of the first display board and the second display board, and prevent the papers pasted on the first display board and the second display board from being easily disturbed by the outside world and shaking, thereby affecting students' viewing.

[0014] The utility model has the following beneficial effects:

[0015] The adjustable display board designed by the utility model can adjust the position of the first display board and the second display board through design coordination. The dual-axis motor drives the two threaded rods at the output end to rotate, so that the first display board above the lower shell and the second display board below the upper shell can slide left and right, which can not only allow students on the left and right sides to observe the contents of the display boards at opposite positions, but also to a certain extent avoid students' eyesight problems caused by staring at the same position for a long time, and improve students' experience of viewing the display boards to a certain extent.

[0016] The adjustable display board designed by the utility model can increase the display area of ​​a part of the first display board and the second display board through design coordination, so as to prevent too many pictures from being displayed on the first display board and the second display board, and the remaining pictures are pasted on the edges of the first display board and the second display board, which not only avoids shaking due to external interference and affects students' viewing, but also prevents the pictures from falling off the first display board and the second display board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the second display board of the utility model;

[0020] Figure 3 This is a schematic diagram of the top cross-sectional structure of the lower shell of the utility model;

[0021] Figure 4 This is a schematic diagram of the top cross-sectional structure of the upper shell of the utility model;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the second display board of the utility model flipped 180 degrees horizontally;

[0023] Figure 6 It is a schematic diagram of the bottom structure of the extension plate of the utility model.

[0024] Legend:

[0025] 1. Lower housing; 2. Dual-axis motor; 3. First display board; 4. Second display board; 5. Upper housing; 6. Connecting plate; 7. Connecting rod; 8. First moving block; 9. Internal threaded hole; 10. Second moving block; 11. Sliding hole; 12. Extension plate; 13. Threaded rod; 14. Limit rod; 15. Sliding groove; 16. Card plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1-Figure 6 As shown;

[0029] An adjustable display board comprises a lower shell 1.

[0030] According to the above content, in order to be able to automatically adjust the position of the display board, it also includes a lower shell 1, the right end face of the lower shell 1 is fixed with a dual-axis motor 2 by bolts, the output shaft of the output end of the dual-axis motor 2 passes through the threaded rod 13 and is welded and fixed to the threaded rod 13, an internal threaded hole 9 is provided inside the first moving block 8, the outer side of the threaded rod 13 passes through the internal threaded hole 9 inside the first moving block 8, and is spirally connected with the internal thread inside the first moving block 8, a connecting rod 7 is welded on the top of the first moving block 8, and the first display board 3 and the second display board 4 are welded at one end of the connecting rod 7 away from the first moving block 8, the top of the first display board 3 and the second display board 4 are fixedly connected to the bottom end of the connecting rod 7, and the connecting rod 7 is away from the first display board 3 and the second A second moving block 10 is welded to one end of the display board 4, and a sliding hole 11 is opened in the middle of the second moving block 10. A limiting rod 14 penetrates the sliding hole 11 in the middle of the second moving block 10 and slides in the sliding hole 11. The upper shell 5 is welded to the top ends on both sides of the limiting rod 14. Connecting plates 6 are welded to the rear of the left and right ends of the upper shell 5. The top end on the left side of the threaded rod 13 is rotatably connected to the top end on the left side of the lower shell 1. The bottom of the first moving block 8 contacts the lower part of the lower shell 1. The outer side of the connecting rod 7 at the top of the first moving block 8 is slidably connected to the upper part of the lower shell 1. The top of the second moving block 10 contacts the upper part of the upper shell 5. The outer side of the connecting rod 7 at the bottom of the second moving block 10 is slidably connected to the lower part of the upper shell 5.

[0031] In this embodiment, the positions of the first display board 3 and the second display board 4 can be adjusted so that students on the left and right sides can observe the contents of the display boards at opposite positions.

[0032] In an optional embodiment: the number of threaded rods 13 and limiting rods 14 are both two, the threaded rods 13 are distributed on the front and rear sides inside the lower shell 1, and the limiting rods 14 are distributed on the front and rear sides inside the upper shell 5, and the threaded rods 13 and the limiting rods 14 are parallel to each other.

[0033] In this embodiment, a dual-axis motor 2 can be used to drive the first display board 3 and the second display board 4 to slide left and right, which reduces the use of structures to a certain extent and reduces production costs.

[0034] In an optional embodiment: the inner wall of the internal threaded hole 9 inside the first moving block 8 is provided with an internal thread, and the internal thread spacing inside the first moving block 8 matches the thread spacing outside the threaded rod 13, and the diameter of the sliding hole 11 inside the second moving block 10 matches the cross-sectional diameter of the limiting rod 14.

[0035] In this embodiment, the first moving block 8 of the first display board 3 and the second display board 4 can move along with the rotation of the threaded rod 13 , and the limiting rod 14 limits the second moving block 10 at the top of the first display board 3 and the second display board 4 .

[0036] In an optional embodiment: through grooves are provided at the top of the lower shell 1 and the bottom of the upper shell 5, and the width of the through grooves provided at the top of the lower shell 1 and the bottom of the upper shell 5 matches the front-to-rear length of the connecting rod 7, the number of connecting rods 7 at the edges of the first display board 3 and the second display board 4 is four, and the bottom end of the connecting rod 7 is fixed to the first moving block 8 and the top end is fixed to the second moving block 10, the first display board 3 is distributed on the rear side above the lower shell 1 and below the upper shell 5, and the second display board 4 is distributed on the front side above the lower shell 1 and below the upper shell 5.

[0037] In this embodiment, the purpose of the dual-axis motor 2 driving the first display board 3 and the second display board 4 to slide left and right is achieved through the rotating threaded rod 13, and the first display board 3 and the second display board 4 do not interfere with each other when sliding.

[0038] According to the above content, in order to increase the display area of ​​the display board, it also includes a second display board 4 installed above the lower shell 1 and below the upper shell 5. A slide groove 15 is opened on the right side below the rear end surface of the second display board 4. The right side of the rear end surface of the second display board 4 is slid by the extension plate 12 in the slide groove 15, and the left end surface of the extension plate 12 is welded with a clamping plate 16.

[0039] In this embodiment, the display area of ​​the first display board 3 and the second display board 4 can be increased to prevent the papers pasted on the first display board 3 and the second display board 4 from shaking due to external interference, thereby affecting students' viewing.

[0040] In an optional embodiment: a slide groove 15 identical to that of the second display board 4 is opened on the left side below the rear end surface of the first display board 3, and the extension board 12 is slidably connected to the left side of the rear end surface of the first display board 3, the cross-section of the card board 16 plus the extension board 12 is in a "T" shape, and a magnetic strip is provided on the outer end surface of the card board 16.

[0041] In this embodiment, the extension plate 12 can slide behind the first display plate 3 and the second display plate 4, and retract into the inner side of the first display plate 3 and the second display plate 4 when not in use. When in use, the extension plate 12 is directly pulled outward from the rear of the first display plate 3 and the second display plate 4, and a magnetic strip is provided on the outer end surface of the card plate 16, so that the card plate 16 can be fixed at the outer rear edge of the first display plate 3 and the second display plate 4 by magnetic attraction.

[0042] The working principle and use process of the utility model are as follows: when installing, the upper shell 5 and the lower shell 1 are pressed tightly against the wall, and then bolts are inserted into the connecting plate 6, and the bolts are drilled into the wall to fix the upper shell 5 and the lower shell 1 to the wall. When using, the paper to be displayed is pasted on the first display board 3 and the second display board 4 above the lower shell 1 and below the upper shell 5 for students to watch. When the students on the left have finished reading the content of the first display board 3 and the students on the right have finished reading the content of the second display board 4, the teacher can turn on the dual-axis motor 2, and the dual-axis motor 2 drives the threaded rod 13 at the output end to rotate inside the lower shell 1, and the first moving block 8 on the outer side of the threaded rod 13 drives the top connecting rod 7 and the first display board 3 and the second display board 4 to slide due to the internal thread in the internal thread hole 9. At this time, the first display The second moving block 10 on the top of the board 3 and the second display board 4 slides along the outer side of the limit rod 14 until the first display board 3 moves to the right and the second display board 4 moves to the left, and the dual-axis motor 2 stops; when there are too many papers pasted on the first display board 3 and the second display board 4, but they need to be pasted again, the extension plate 12 on the outer side of the rear end surface of the first display board 3 and the second display board 4 can be pulled outward, and the extension plate 12 slides along the slide groove 15 at the lower rear of the first display board 3 and the second display board 4 until the card plate 16 at the top inner side of the extension plate 12 is stuck on the outer side of the rear of the first display board 3 and the second display board 4, and stops after being fixed by the magnetic strip. At this time, the extension plate 12 is completely extended out of the first display board 3 and the second display board 4, and the teacher can paste the paper on the front side of the extension plate 12.

[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable display board, comprising a lower housing (1), characterized in that: The right end surface of the lower shell (1) is fixedly connected to a double-axis motor (2); the output end of the double-axis motor (2) is fixedly connected to a threaded rod (13); the outer side of the threaded rod (13) is spirally connected to a first moving block (8); an internal threaded hole (9) is provided inside the first moving block (8); a connecting rod (7) is fixedly connected to the top of the first moving block (8); an end of the connecting rod (7) away from the first moving block (8) is fixedly connected to a first display board (3) and a second display board (4); the first display board (3) The top end of the second display board (4) is fixedly connected to the bottom end of the connecting rod (7); one end of the connecting rod (7) away from the first display board (3) and the second display board (4) is fixedly connected to a second moving block (10); a sliding hole (11) is provided in the middle of the second moving block (10); a limiting rod (14) is slidably connected in the middle of the second moving block (10); the top ends of the left and right sides of the limiting rod (14) are fixedly connected to an upper shell (5); and the rear ends of the left and right ends of the upper shell (5) are fixedly connected to connecting plates (6).

2. An adjustable display board according to claim 1, characterized in that: The left top end of the threaded rod (13) is rotatably connected to the left top end inside the lower shell (1); the bottom of the first movable block (8) is in contact with the lower inside of the lower shell (1); the outer side of the connecting rod (7) at the top of the first movable block (8) is slidably connected to the upper inside of the lower shell (1); the top of the second movable block (10) is in contact with the upper inside of the upper shell (5); the outer side of the connecting rod (7) at the bottom of the second movable block (10) is slidably connected to the lower inside of the upper shell (5).

3. The adjustable display board according to claim 1, characterized in that: The number of the threaded rod (13) and the limiting rod (14) is two each. The threaded rod (13) is distributed on the front and rear sides of the lower shell (1), and the limiting rod (14) is distributed on the front and rear sides of the upper shell (5). The threaded rod (13) and the limiting rod (14) are parallel to each other.

4. The adjustable display board according to claim 1, characterized in that: The inner wall of the internal threaded hole (9) inside the first moving block (8) is provided with internal threads, and the pitch of the internal threads inside the first moving block (8) matches the pitch of the threads outside the threaded rod (13), and the diameter of the sliding hole (11) inside the second moving block (10) matches the cross-sectional diameter of the limiting rod (14).

5. The adjustable display board according to claim 1, characterized in that: The top of the lower shell (1) and the bottom of the upper shell (5) are both provided with through slots, and the width of the through slots provided at the top of the lower shell (1) and the bottom of the upper shell (5) matches the front-to-rear length of the connecting rod (7). There are four connecting rods (7) at the edges of the first display board (3) and the second display board (4), and the bottom end of the connecting rod (7) is fixed to the first moving block (8) and the top end is fixed to the second moving block (10). The first display board (3) is distributed on the rear side above the lower shell (1) and below the upper shell (5), and the second display board (4) is distributed on the front side above the lower shell (1) and below the upper shell (5).

6. The adjustable display board according to claim 1, characterized in that: A sliding groove (15) is provided on the right side below the rear end surface of the second display board (4); an extension board (12) is slidably connected to the right side of the rear end surface of the second display board (4); and a clamping board (16) is fixedly connected to the left end surface of the extension board (12).

7. The adjustable display board according to claim 6, characterized in that: A sliding groove (15) identical to that of the second display board (4) is provided on the left side below the rear end surface of the first display board (3), and the extension board (12) is slidably connected to the left side of the rear end surface of the first display board (3); the cross-section of the card board (16) plus the extension board (12) is in a "T" shape, and a magnetic strip is provided on the outer end surface of the card board (16).

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