A vocabulary display device

Abstract

The utility model belongs to the field of teaching tools, in particular to a vocabulary display device, comprising a base frame, the top of the base frame is fixedly connected with an outer frame, and the inner wall of the outer frame is provided with a card slot near both sides; by pulling a pull ring, two blackboard bodies are slid in the card slot, and the horizontal heights are exchanged; because the two blackboard bodies are connected through the two ends of a sling and the sling is closely attached to the surface of a pulley, the weights on both sides of the pulley are similar, which is convenient for a user to adjust the position of the blackboard body, align the positions of the mounting holes with the positioning holes, and fix the two blackboard bodies through a latch, which is convenient for a user to write, improves the user's work efficiency, and improves the adaptability of the device; secondly, by disassembling the bolts in the collar, sliding the card column to the inside in the slide slot, and rotating the cross plate to a suitable angle, the bolts are passed through the bolt threads and installed on the surface of the cross plate, which is convenient for storing the device, and further improves the adaptability of the device.

Description

Technical Field

[0001] The utility model relates to the field of teaching tools, in particular to a vocabulary display device. Background Art

[0002] When conducting language teaching, it is usually necessary to analyze and explain vocabulary. Usually, a vocabulary display device is needed to assist teaching in the teaching process in order to improve the teaching quality.

[0003] It is not easy for the existing vocabulary display device to adjust and switch the position of the display blackboard, which may be inconvenient for the user to write, resulting in reduced adaptability of the device. It is not easy for the existing vocabulary display device to achieve a convenient storage effect, which may result in low adaptability of the device.

[0004] Therefore, a vocabulary display device is proposed to address the above problems. Utility Model Content

[0005] In order to remedy the problems in the prior art, the utility model provides a vocabulary display device.

[0006] The technical solution adopted by the utility model to solve its technical problem is: a vocabulary display device described in the utility model includes a base frame, the top of the base frame is fixedly connected to an outer frame, the inner wall of the outer frame is provided with card slots near both sides, the inside of the card slot is slidably installed with a card block, the inner side of the card block is fixedly connected to a blackboard body, the top of the outer frame is fixedly connected to a top plate, the inner side of the top plate is rotatably connected to a pulley, the surface of the base frame is provided with a slide groove, the inside of the slide groove is slidably connected with a card column, the bottom of the card column is fixedly connected to a cross plate, and the bottom surface of the cross plate near the two ends is fixedly connected to the top of the universal wheel.

[0007] Preferably, there are two blackboard bodies, the top ends of which are respectively connected to two ends of a sling, and the surface of the sling fits tightly with the surface of the pulley.

[0008] Preferably, positioning holes are provided on both sides of the card slot, and latches are slidably installed inside the positioning holes. Mounting holes are provided on both sides of the card block near the upper and lower ends, and latches are slidably connected inside the mounting holes.

[0009] Preferably, a collar is fixedly connected to the side of the base frame, the internal thread of the collar is matched with a bolt, and the bottom thread of the bolt is installed on the surface of the cross plate.

[0010] Preferably, a through hole is provided on the surface of the base frame, and the opening position of the through hole corresponds to the bolt installation position on the surface of the cross plate.

[0011] Preferably, pull rings are fixedly connected to the outer sides of the two blackboard bodies near the bottom ends, and the clamping column is rotatably connected to the inside of the slide groove.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model enables two blackboard bodies to slide in the card slots and exchange their horizontal heights by pulling the pull ring. Since the two blackboard bodies are connected by the two ends of the sling and the sling is closely fitted to the pulley surface, the weights on both sides of the pulley are similar, which is convenient for users to adjust the position of the blackboard body. By aligning the positions of the mounting holes and the positioning holes, the two blackboard bodies are fixed by the latch, which is convenient for users to write, improves the work efficiency of users, and improves the adaptability of the device.

[0014] 2. The utility model has a structural design by removing the bolts in the collar, sliding the clamping column to the inside in the slide groove, and rotating the cross plate to a suitable angle, so that the bolts pass through the bolt threads and are installed on the surface of the cross plate, which is convenient for storing the device and further improves the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the top plate structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the blackboard of the utility model;

[0018] Figure 3 This is a schematic diagram of the chassis structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the outer frame structure of the utility model.

[0020] In the figure: 1, base frame; 2, outer frame; 3, slot; 4, blackboard body; 5, block; 6, top plate; 7, pulley; 8, sling; 9, mounting hole; 10, latch; 11, positioning hole; 12, pull ring; 13, slide groove; 14, through hole; 15, clamping column; 16, cross plate; 17, universal wheel; 18, ring; 19, bolt. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4 As shown, a vocabulary display device comprises a base frame 1, an outer frame 2 is fixedly connected to the top of the base frame 1, a card slot 3 is provided on the inner wall of the outer frame 2 near both sides, a card block 5 is slidably installed inside the card slot 3, the inner side of the card block 5 is fixedly connected to a blackboard body 4, a top plate 6 is fixedly connected to the top of the outer frame 2, a pulley 7 is rotatably connected to the inner side of the top plate 6, a slide groove 13 is provided on the surface of the base frame 1, a card column 15 is slidably connected inside the slide groove 13, a cross plate 16 is fixedly connected to the bottom of the card column 15, and the bottom surface of the cross plate 16 near both ends is fixedly connected to the top of a universal wheel 17;

[0023] Furthermore, there are two blackboard bodies 4, the top ends of which are connected to the two ends of the sling 8, respectively, and the surface of the sling 8 is closely fitted to the surface of the pulley 7;

[0024] During operation, the two blackboard bodies 4 are connected by the sling 8 , and the surface of the sling 8 is closely fitted with the surface of the pulley 7 , so that the weights on both sides of the pulley 7 are similar, which facilitates the adjustment of the blackboard body 4 .

[0025] Furthermore, positioning holes 11 are provided on both sides of the card slot 3, and latches 10 are slidably installed inside the positioning holes 11. Mounting holes 9 are provided on both sides of the card block 5 near the upper and lower ends, and latches 10 are slidably connected inside the mounting holes 9.

[0026] During operation, the latch 10 is slidably installed in the positioning hole 11 and the installation hole 9, so as to fix the blackboard body 4 after the position is adjusted.

[0027] Furthermore, a collar 18 is fixedly connected to the side of the base frame 1, and the internal thread of the collar 18 is matched with a bolt 19, and the bottom thread of the bolt 19 is installed on the surface of the horizontal plate 16;

[0028] During operation, the internal thread of the collar 18 is matched with the bolt 19, and the bottom thread of the bolt 19 is installed on the surface of the horizontal plate 16. The structural design makes it possible to fix the horizontal plate 16 during operation, thereby improving the stability of the device.

[0029] Furthermore, a through hole 14 is provided on the surface of the base frame 1, and the opening position of the through hole 14 corresponds to the installation position of the bolt 19 on the surface of the horizontal plate 16;

[0030] During operation, the opening position of the through hole 14 is designed to correspond to the installation position of the bolt 19 on the surface of the horizontal plate 16 , and when the horizontal plate 16 is rotated and stored, it is fixed through the through hole 14 and the bolt 19 .

[0031] Furthermore, the outer sides of the two blackboard bodies 4 are fixedly connected with pull rings 12 near the bottom ends, and the clamping column 15 is rotatably connected to the inside of the slide groove 13;

[0032] During operation, the blackboard body 4 is pulled up and down by the pull ring 12, and the horizontal plate 16 is conveniently stored by rotating the clamping column 15 connected to the inner side of the slide groove 13.

[0033] Working principle: firstly, the device is moved to a suitable working place by the universal wheel 17, and words are written on the surface of the blackboard body 4. When the surface of one of the blackboard bodies 4 is used up, the latches 10 engaged on both sides of the outer frame 2 are pulled out, and the two blackboard bodies 4 are slid in the slots 3 by pulling the pull ring 12, and the horizontal heights are exchanged. Since the two blackboard bodies 4 are connected by the two ends of the sling 8 and the sling 8 is tightly attached to the surface of the pulley 7, the weights on both sides of the pulley 7 are similar, which is convenient for the user to adjust the blackboard body 4. After the height adjustment is completed, it is convenient for the user to write, and the user's work efficiency is improved. At the same time, the blackboard body 4 on the back of the device can also be used for writing and display. The installation hole 9 is aligned with the position of the positioning hole 11, and the two blackboard bodies 4 are fixed by the latch 10;

[0034] When the device is not needed, the bolt 19 in the collar 18 is removed, the clamping column 15 is slid inward in the slide groove 13, and the cross plate 16 is rotated to a suitable angle so that the bolt 19 passes through the through hole 14 and is threadedly installed on the surface of the cross plate 16.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A vocabulary display device, comprising a base frame (1), characterized in that: The top of the base frame (1) is fixedly connected to an outer frame (2), and the inner wall of the outer frame (2) is provided with a card slot (3) near both sides, and a card block (5) is slidably installed inside the card slot (3), and the inner side of the card block (5) is fixedly connected to the blackboard body (4), and the top of the outer frame (2) is fixedly connected to a top plate (6), and the inner side of the top plate (6) is rotatably connected to a pulley (7), and the surface of the base frame (1) is provided with a slide groove (13), and the inside of the slide groove (13) is slidably connected to a card column (15), and the bottom of the card column (15) is fixedly connected to a cross plate (16), and the bottom surface of the cross plate (16) near the two ends is fixedly connected to the top of the universal wheel (17).

2. A vocabulary display device according to claim 1, characterized in that: The number of the blackboard main bodies (4) is two, and the top ends of the two blackboard main bodies (4) are respectively connected to the two ends of the sling (8), and the surface of the sling (8) is tightly fitted with the surface of the pulley (7).

3. A vocabulary display device according to claim 1, characterized in that: Positioning holes (11) are provided on both sides of the card slot (3), and latch pins (10) are slidably installed inside the positioning holes (11). Mounting holes (9) are provided on both sides of the card block (5) near the upper and lower ends, and latch pins (10) are slidably connected inside the mounting holes (9).

4. A vocabulary display device according to claim 1, characterized in that: A collar (18) is fixedly connected to the side of the base frame (1), the internal thread of the collar (18) is matched with a bolt (19), and the bottom thread of the bolt (19) is installed on the surface of the transverse plate (16).

5. A vocabulary display device according to claim 1, characterized in that: The surface of the base frame (1) is provided with a through hole (14), and the opening position of the through hole (14) corresponds to the installation position of the bolt (19) on the surface of the transverse plate (16).

6. A vocabulary display device according to claim 1, characterized in that: Pull rings (12) are fixedly connected to the outer sides of the two blackboard bodies (4) near the bottom ends, and the clamping column (15) is rotatably connected to the inside of the sliding groove (13).

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