Teaching display device facilitating content comparison

Abstract

The teaching display device facilitating content comparison comprises a blackboard body, a movable groove is formed in the blackboard body, a containing assembly is arranged in the movable groove, and a locking assembly is arranged on the front side of the blackboard body; the storage assembly comprises two guide rods, two sliding blocks, a contrast plate, a buffer spring, a first fixing plate and a second fixing plate, by arranging the storage assembly and the locking assembly, after a teacher pulls out a handle outwards, the contrast plate can be pulled out from the bottom of the blackboard body through the pull rod, and in the downward moving process of the contrast plate, the contrast plate can be pulled out from the bottom of the blackboard body through the pull rod; after the locking rod enters the locking groove through the slope, the contrast plate is locked by the locking rod at the moment, and after the contrast plate is used, the contrast plate can be quickly pushed to the position above the movable groove through the buffer spring and the sliding block, so that storage is easier and simpler, content contrast is more distinct and prominent in the teaching process, and the teaching efficiency is improved. And teachers can use and students can watch conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching display device technical field, especially is involved in a kind of teaching display device of convenient comparison content. BACKGROUND

[0002] Teaching aid is the general term of various appliances used for students to understand teaching content visually and vividly and appliances used by teachers during teaching. In the existing teaching process, teachers explain content by writing on blackboard or using pictures.

[0003] When the existing teachers compare and write the content on blackboard or projector, it is very inconvenient to compare and write the content on blackboard or projector due to the limited space of blackboard, and the comparison content cannot be displayed clearly. Therefore, the utility model provides a kind of teaching display device of convenient comparison content to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0004] This part aims to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims to provide a kind of teaching display device of convenient comparison content, which can solve the problem that the existing teachers are very inconvenient to compare and write the content on blackboard or projector due to the limited space of blackboard, and the comparison content cannot be displayed clearly.

[0006] To solve the above technical problems, the utility model provides a kind of teaching display device of convenient comparison content, adopts the following technical scheme: including blackboard body, the blackboard body is internally provided with movable slot, the movable slot is internally provided with storage assembly, the blackboard body front side is provided with locking assembly;

[0007] The storage assembly comprises two guide rods, two sliding blocks, a contrast plate, a buffer spring, a first fixed plate and a second fixed plate, the two guide rods are sequentially fixedly installed between the upper and lower inner walls of the movable groove from left to right, a contrast plate is arranged between the two guide rods, sliding blocks are fixedly installed on the two sides of the contrast plate, the two sliding blocks are slidingly arranged outside the corresponding guide rods respectively, two first fixed plates are fixedly installed at the bottom of the movable groove, the two first fixed plates are sleeved outside the corresponding guide rods respectively, buffer springs are fixedly installed at the top of the two first fixed plates, a second fixed plate is fixedly installed at the top of the two buffer springs, the buffer springs and the second fixed plate are sleeved outside the corresponding guide rods, the contrast plate extends to the outside of the blackboard body at the bottom, and a pull rod is fixedly installed at the bottom of the contrast plate.

[0008] The locking assembly comprises a shell, a locking rod, a telescopic spring and a limiting plate.

[0009] Optionally, the shell is fixedly installed on the front side of the blackboard body, a locking rod is inserted into the shell, a limiting plate is fixedly installed outside the locking rod, the rear side of the limiting plate is attached to the rear side inner wall of the shell, a telescopic spring is sleeved outside the locking rod, and the telescopic spring is located between the rear side inner wall and the front side inner wall of the shell.

[0010] Optionally, a slope and a lock groove are formed in the front side of the contrast plate, a cutout matched with the slope is formed in the rear end of the locking rod, the locking rod is matched with the lock groove, the front end of the locking rod extends to the front side of the shell, and a handle is fixedly installed at the front end of the locking rod.

[0011] Optionally, a placing rack is fixedly installed on the front side of the blackboard body, a baffle is fixedly installed at the top of the placing rack, a movable plate is inserted into the placing rack, a wiping plate is fixedly installed at the rear side of the movable plate, and the horizontal length of the wiping plate is matched with the horizontal length of the writing area of the contrast plate.

[0012] Optionally, a fixing rack is fixedly installed on the rear side of the blackboard body, a movable rod is rotatably connected to the top of the fixing rack through a damping bearing, a telescopic rod is inserted into the front side of the movable rod, and a bolt is fixedly connected between the telescopic rod and the movable rod.

[0013] Optionally, a connecting seat is rotatably connected to the bottom front end of the telescopic rod through a damping bearing, a connecting rod is rotatably connected to the bottom of the connecting seat through a damping bearing, a projector body is fixedly installed at the bottom of the connecting rod, and a telescopic adjusting support is fixedly installed at the bottom of the blackboard body.

[0014] In summary, the utility model discloses at least one beneficial effect including following: 1, through setting up storage subassembly and locking assembly, the handle is extracted to the outside by teacher, then can be extracted from the bottom of blackboard body to the contrast board through the drawbar, in the process of moving down contrast board, with locking rod enters the lock slot after the slope, when contrast board is locked by locking rod, when the use of contrast board is completed, contrast board is pushed to the movable groove above by buffer spring and sliding block, make storage more easy and simple, when the content contrast in the teaching process is more prominent, convenient for teacher use and student watch.

[0015] 2, through setting up wiping board, when needing to erase the content of contrast board, teacher can push the wiping board forward, make the content on the surface of contrast board can be quickly erased, save wiping time, through setting up rack, convenient for teacher to place teaching aid on the rack, convenient to take and take, through setting up fixing frame, movable rod, telescopic rod and projector body, when using projector body, teacher can flexibly adjust the position of projector body, convenient for projecting on the surface of blackboard body and comparing the content of contrast board, convenient for teacher use. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure three-dimensional schematic diagram of the utility model;

[0019] Figure 3 It is the whole structure left side sectional view schematic diagram of the utility model;

[0020] Figure 4 It is the whole structure left side sectional view schematic diagram of the utility model; Figure 2 Enlarged schematic diagram in A of the utility model;

[0021] Figure 5 It is the inside sectional view schematic diagram of the blackboard body of the utility model;

[0022] Figure 6 It is the inside sectional view schematic diagram of the blackboard body of the utility model; Figure 4 Enlarged schematic diagram in B of the utility model.

[0023] Explanation of reference signs: 1, blackboard body; 2, movable groove; 3, guide rod; 4, sliding block; 5, contrast plate; 6, buffer spring; 7, first fixed plate; 8, second fixed plate; 9, pull rod; 10, shell; 11, locking rod; 12, telescopic spring; 13, limiting plate; 14, slope; 15, locking groove; 16, handle; 17, placing rack; 18, baffle; 19, movable plate; 20, wiping plate; 21, fixed frame; 22, movable rod; 23, telescopic rod; 24, connecting seat; 25, connecting rod; 26, projector body; 27, telescopic adjusting support. DETAILED DESCRIPTION

[0024] The accompanying drawings are referred to in the following description of the Figures 1-6 The utility model is further described in detail.

[0025] Embodiment one, refer to Figures 1-6 In order to solve the problem that the existing teachers are very inconvenient when writing the content of the blackboard or the projector and cannot clearly display the contrast content when contrasting the teaching content due to the limited space of the blackboard in the prior art, the utility model discloses a teaching display device facilitating contrasting content,

[0026] It comprises a blackboard body 1, the blackboard body 1 is internally provided with a movable groove 2, the movable groove 2 is internally provided with a storage assembly, and the blackboard body 1 is provided with a locking assembly on the front side.

[0027] The storage assembly comprises two guide rods 3, two sliding blocks 4, a contrast plate 5, a buffer spring 6, a first fixed plate 7 and a second fixed plate 8, the two guide rods 3 are sequentially fixedly installed between the inner walls on the upper and lower sides of the movable groove 2 from left to right, the contrast plate 5 is arranged between the two guide rods 3, the sliding blocks 4 are fixedly installed on the two sides of the contrast plate 5, the two sliding blocks 4 are slidingly arranged outside the corresponding guide rods 3, the first fixed plates 7 are fixedly installed at the bottom of the movable groove 2, the first fixed plates 7 are sleeved outside the corresponding guide rods 3, the buffer springs 6 are fixedly installed on the top of the two first fixed plates 7, the second fixed plate 8 is fixedly installed on the top of the two buffer springs 6, the buffer springs 6 and the second fixed plate 8 are sleeved outside the corresponding guide rods 3, and the contrast plate 5 extends to the outside of the blackboard body 1 at the bottom and is fixedly installed with the pull rod 9.

[0028] The locking assembly comprises a shell 10, a locking rod 11, a telescopic spring 12 and a limiting plate 13.

[0029] The shell 10 is fixedly installed on the front side of the blackboard body 1, the locking rod 11 is inserted into the shell 10, the limiting plate 13 is fixedly installed outside the locking rod 11, the limiting plate 13 is attached to the rear inner wall of the shell 10, the telescopic spring 12 is sleeved outside the locking rod 11, and the telescopic spring 12 is located between the rear inner wall and the front inner wall of the shell 10.

[0030] When the slider 4 moves downward, the buffer spring 6 is compressed by the second fixed plate 8, and when the contrast plate 5 is not limited, the slider 4 is bounced up by the buffer spring 6, and the contrast plate 5 can be moved above the movable groove 2, so that the teacher can quickly store the contrast plate 5.

[0031] The front side of the contrast plate 5 is provided with two slopes 14 and a locking groove 15 from top to bottom, the rear end of the locking rod 11 is provided with a cutout matched with the slope 14, and the locking rod 11 is matched with the locking groove 15, the front end of the locking rod 11 extends to the front side of the shell 10, and the handle 16 is fixedly installed at the front end of the locking rod 11.

[0032] During the up-down movement of the contrast plate 5, the locking rod 11 enters the corresponding locking groove 15 to quickly lock the contrast plate 5.

[0033] The specific working principle is: first, before using the contrast plate 5, the teacher first uses the handle 16, the locking rod 11 and the limiting plate 13 to pull out the limiting rod rear end from the corresponding locking groove 15, then uses the pull rod 9 to pull out the contrast plate 5, and the contrast plate 5 can be stably moved downward to be pulled out by the two sliders 4 and the guide rod 3, after being pulled out, the limiting rod enters the locking groove 15 at the upper end of the contrast plate 5, when the contrast plate 5 is used, the handle 16 is pulled, at this time, the contrast plate 5 is not locked, and the two buffer springs 6 at the bottom are quickly moved upward to above the movable groove 2, so that the teacher can quickly store the contrast plate 5 in the blackboard body 1, at this time, the locking rod 11 enters the locking groove 15 below the front side of the contrast plate 5 to lock the contrast plate 5, and the operation is completed.

[0034] Embodiment two, refer to Figures 1-6 In order to solve the problem of time-consuming and laborious in wiping the content of the existing teaching contrast plate, based on the same idea as the above embodiment one, the teaching device for conveniently displaying the content of the contrast plate further comprises:

[0035] The front side of the blackboard body 1 is fixedly provided with a placing rack 17, the top of the placing rack 17 is fixedly provided with a baffle 18, the inside of the placing rack 17 is inserted with a movable plate 19, the rear side of the movable plate 19 is fixedly provided with a wiping plate 20, and the horizontal length of the wiping plate 20 is matched with the horizontal length of the writing area of the contrast plate 5.

[0036] The rear side of the blackboard body 1 is fixedly provided with a fixed rack 21, the top of the fixed rack 21 is rotatably connected with a movable rod 22 through a damping bearing, the front side of the movable rod 22 is inserted with a telescopic rod 23, and the telescopic rod 23 and the movable rod 22 are fixedly connected with a bolt;

[0037] The projection distance of the projector body 26 can be adjusted by arranging the movable rod 22 and the telescopic rod 23.

[0038] The bottom of the front end of the telescopic rod 23 is rotatably connected with a connecting seat 24 through a damping bearing, the bottom of the connecting seat 24 is rotatably connected with a connecting rod 25 through a damping bearing, the bottom of the connecting rod 25 is fixedly installed with a projector body 26, and the bottom of the blackboard body 1 is fixedly installed with a telescopic adjusting support 27.

[0039] The projector body 26 can be adjusted in front and back angles at the bottom of the connecting seat 24 through the connecting rod 25.

[0040] Specific working principle is: when the inside of the contrast board 5 is no longer needed, the teacher can push the wiping board 20 forward, so that the surface content of the contrast board 5 can be quickly erased, and the wiping time is saved, through the setting of the placing rack 17, the teacher can place the teaching aids on the placing rack 17, and the teaching aids are convenient to take and place, through the setting of the fixed frame 21, the movable rod 22, the telescopic rod 23 and the projector body 26, the teacher can flexibly adjust the position of the projector body 26 when using the projector body 26, and the content of the contrast board 5 is compared with the surface of the blackboard body 1.

[0041] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A teaching display device for convenient comparison of content, comprising a blackboard body (1), characterized in that: The blackboard body (1) has an open movable slot (2) inside, the movable slot (2) has a storage component inside, and the blackboard body (1) has a locking component on the front side; The storage assembly includes two guide rods (3), two sliders (4), a reference plate (5), a buffer spring (6), a first fixing plate (7), and a second fixing plate (8). The two guide rods (3) are fixedly installed between the upper and lower inner walls of the movable groove (2) from left to right. A reference plate (5) is provided between the two guide rods (3). Sliders (4) are fixedly installed on both sides of the reference plate (5). The two sliders (4) are slidably arranged outside the corresponding guide rods (3). Two first fixing plates (7) are fixedly installed at the bottom of the movable groove (2). The two first fixing plates (7) are respectively sleeved outside the corresponding guide rods (3). A buffer spring (6) is fixedly installed on the top of the two first fixing plates (7). A second fixing plate (8) is fixedly installed on the top of the two buffer springs (6). The buffer springs (6) and the second fixing plate (8) are both sleeved outside the corresponding guide rods (3). The bottom of the reference plate (5) extends to the outside of the blackboard body (1). A pull rod (9) is fixedly installed on the bottom of the reference plate (5). The locking assembly includes a housing (10), a locking lever (11), a telescopic spring (12), and a limiting plate (13).

2. The teaching display device for convenient comparison of content according to claim 1, characterized in that: The housing (10) is fixedly installed on the front side of the blackboard body (1), and a locking rod (11) is inserted inside the housing (10). A limiting plate (13) is fixedly installed on the outside of the locking rod (11). The rear side of the limiting plate (13) is attached to the rear inner wall of the housing (10). A telescopic spring (12) is sleeved on the outside of the locking rod (11). The telescopic spring (12) is located between the rear inner wall and the front inner wall of the housing (10).

3. The teaching display device for convenient comparison of content according to claim 1, characterized in that: The front side of the reference plate (5) has two ramps (14) and a locking groove (15) from top to bottom. The rear end of the locking rod (11) has a cut that matches the ramp (14), and the locking rod (11) matches the locking groove (15). The front end of the locking rod (11) extends to the front side of the housing (10), and a handle (16) is fixedly installed on the front end of the locking rod (11).

4. The teaching display device for convenient comparison of content according to claim 1, characterized in that: A placement rack (17) is fixedly installed on the front side of the blackboard body (1), a baffle (18) is fixedly installed on the top of the placement rack (17), a movable plate (19) is inserted inside the placement rack (17), and a wiping plate (20) is fixedly installed on the rear side of the movable plate (19). The horizontal length of the wiping plate (20) is adapted to the horizontal length of the writing area of ​​the reference board (5).

5. The teaching display device for convenient comparison of content according to claim 1, characterized in that: A fixing frame (21) is fixedly installed on the rear side of the blackboard body (1). A movable rod (22) is rotatably connected to the top of the fixing frame (21) through a damping bearing. A telescopic rod (23) is inserted into the front side of the movable rod (22). Bolts are fixedly connected between the telescopic rod (23) and the movable rod (22).

6. The teaching display device for convenient comparison of content according to claim 5, characterized in that: The telescopic rod (23) is rotatably connected to a connecting seat (24) via a damping bearing at its bottom front end. The connecting seat (24) is rotatably connected to a connecting rod (25) via a damping bearing at its bottom. The projector body (26) is fixedly installed at the bottom of the connecting rod (25). The telescopic adjustment bracket (27) is fixedly installed at the bottom of the blackboard body (1).

Images