CN211918193U - A display device for english teaching - Google Patents

Abstract

The utility model discloses a display device for English teaching, which comprises a bottom plate, a support rod and a fixed writing board; a rotating plate is rotatably connected above the bottom plate, side plates are fixedly connected to the left end and the right end of the rotating plate, a movable block is movably connected to each side plate, one end of each movable block is rotatably connected with a movable plate, and the movable plates are connected to the side plates through locking pieces; the lower end of the supporting rod is fixedly connected to the movable plate, the upper end of the supporting rod is detachably connected with a connecting block, a rotating block is rotatably connected to the connecting block, and a connecting rod is fixedly connected to the rotating block; the tip at the connecting rod is connected to fixed board dismantlement formula, the utility model discloses be convenient for realize the installation and the dismantlement of fixed board, the relative position that can adjust fixed board and remove the board simultaneously is convenient for write the teaching show, has brought the facility for the user.

Description

A display device for English teaching

technical field

The utility model relates to the technical field of English teaching equipment, in particular to a display device for English teaching.

Background technique

English teaching refers to the process of teaching English to people whose first language is English or not. English teaching involves a variety of professional theoretical knowledge, including linguistics, second language acquisition, lexicology, syntax, stylistics, corpus theory, cognitive psychology, etc. It is generally necessary to use a clipboard for English teaching presentations. Repeated writing is used for English teaching display. However, the existing display devices for English teaching are generally integrated, so installation and disassembly cannot be achieved, so it is inconvenient to move the English teaching display device. The display device for English teaching is generally only provided with a writing board, so when the writing board is full, it needs to be cleaned up, which makes it inconvenient to compare the writing content, which brings inconvenience to the user's teaching.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a display device for English teaching and a method of using the same, so as to solve the problem that the existing display devices for English teaching proposed in the above background technology are generally integrally formed, so the installation cannot be realized. With disassembly, at the same time, the existing display devices for English teaching are generally only provided with a writing board.

To achieve the above object, the utility model provides the following technical solutions:

A display device for English teaching, comprising a base plate, a support rod and a fixed writing board;

The top of the bottom plate is rotatably connected with a rotating plate, the left and right ends of the rotating plate are fixedly connected with side plates, the side plates are movably connected with a movable block, and one end of the movable block is rotatably connected with a movable plate, so the The movable plate is connected to the side plate through a locking piece;

The lower end of the support rod is fixedly connected to the movable plate, the upper end of the support rod is detachably connected with a connecting block, the connecting block is rotatably connected with a rotating block, and the rotating block is fixedly connected with a connecting rod;

The fixed writing board is detachably connected to the end of the connecting rod, the left and right ends of the fixed writing board are provided with accommodating grooves, and a sliding plate is movably connected in the accommodating groove, and the side wall of the sliding board is A mobile writing board is rotatably connected to the upper part, a groove is opened on the outer side wall of the rotating block, a push plate is elastically connected in the groove, and an insertion rod is fixedly connected to the push plate, and one end of the insertion rod passes through The side wall of the groove is inserted into the mobile writing board.

As a further scheme of the present invention: the rotating plate is connected to the upper surface of the base plate through the rotating shaft, and the rotating shaft is convenient to realize the rotating connection of the rotating plate above the base plate;

The side plate is provided with a chute for sliding connection of the movable block, and the arrangement of the chute is convenient to adjust the position of the movable block on the side plate;

The movable plate is rotatably connected to the end of the movable block through a rotating shaft, and the arrangement of the rotating shaft facilitates the rotation of the movable plate relative to the movable block;

The locking member is a locking bolt, the movable plate is locked in the chute by the locking bolt, and the chute and the movable block are provided with bolt holes for the threaded connection of the locking bolt. When the rod is in the position, since the lower end of the support rod is fixedly connected to the movable plate, the user manually rotates the locking bolt. When one end of the locking bolt is separated from the chute and the movable block, the user can manually move the support rod to adjust the support. After the user manually turns the locking bolt, the movable plate is locked on the side plate through the locking bolt, that is, the locking of the support rod is realized.

As a further solution of the present invention: a bearing plate is fixedly connected to the side plate, the upper surface of the bearing plate is provided with a bearing groove which is matched with the support rod, and the upper part of the bearing groove is threadedly connected with limit bolts When the device does not need to be used, the user places the support rod horizontally with one end of the support rod in the bearing groove of the bearing plate, and then manually rotates the limit bolt. Since the limit bolt is located above the support rod, the limit The position bolt realizes the limiting effect on the support rod.

As a further solution of the present utility model: the connecting block is connected to the upper end of the support rod through connecting bolts; the rotating block is rotatably connected to the connecting block through a rotating column, and the arrangement of the connecting bolts facilitates the realization of the connection block on the upper end of the support rod. During installation and disassembly, it is convenient to realize the rotation of the rotating block on the connecting block due to the function of the rotating column.

As a further scheme of the present invention: a limit slot is set on the outer side wall of the fixed writing board, a limit block is movably connected in the limit slot, a clamping rod is fixedly connected to the limit block, and the connecting rod A fixing block is fixedly connected to the end of the fixing block, a socket for the clamping rod is opened on the fixing block, and a locking mechanism for locking the clamping rod is arranged on the fixing block.

As a further solution of the present invention: the locking mechanism includes a threaded rod, a circular plate is provided on one side of the fixing block, and a locking rod is fixedly connected to the side wall of the circular plate, and the locking One end of the rod passes through the fixing block and is inserted on the clamping rod, the threaded rod is fixedly connected to the circular plate, and one end of the threaded rod passes through the fixing block and is threadedly connected with a nut. When between the fixed blocks, the user manually pushes the limit block and inserts one end of the clamping rod into the socket of the fixed block, and then passes one end of the locking rod through the fixed block and inserts it on the clamping rod. At the same time, one end of the threaded rod passes through the fixing block and extends to the other side. The user manually rotates the nut so that the nut is threaded on the nut, so as to realize the locking of the locking rod on the clamping rod, that is, the fixed writing is realized. The plate is installed between the fixed blocks.

As a further scheme of the present utility model: the mobile writing board is connected to the side wall of the sliding board through a hinge rotation;

The push plate and the groove are fixedly connected by a spring, and the arrangement of the spring facilitates the elastic arrangement of the push plate in the groove.

As a further solution of the present utility model: the end of the mobile writing board is provided with a slot for inserting a rod, and the mobile writing board is connected in the accommodating slot by two clamping bolts, which is convenient when the mobile writing board does not need to be realized. It is locked in the accommodating slot by two clamping bolts.

As a further solution of the present utility model: the connecting rods are arranged in two pieces, and the middle parts of the two connecting rods are connected to the rotating block through clamping bolts, and the clamping bolts are used to facilitate the realization of the connection between the two connecting rods. It is easy to install and remove the connecting rod on the rotating block at the same time.

A method of using a display device for English teaching, the specific steps of the using method include:

Manually rotate the locking bolt. When one end of the locking bolt is released from the chute and the movable block, manually rotate the support rod to make the support rod and the bottom plate appear vertical, and then the position of the support rod can be adjusted, and then manually turn the locking bolt, The movable plate is locked on the side plate through the locking bolt, that is, the locking of the support rod is realized;

When the fixed writing board is placed between the fixed blocks, manually push the limit block and insert one end of the clamping rod into the hole of the fixed block, and then pass one end of the locking rod through the fixed block and insert it in the hole. At the same time, one end of the threaded rod passes through the fixing block and extends to the other side, and manually rotate the nut to make the nut screw on the nut, so as to realize the locking of the locking rod on the clamping rod, that is, to realize the The fixed writing board is installed between the fixed blocks;

Manually pull the mobile tablet, manually push the push plate, and realize the movement of the insertion rod through the push plate, then the mobile tablet is located on the outside of the fixed tablet, and the mobile tablet is rotated to make one end of the mobile tablet fit on the rotating block. Manually push the push plate, the push plate moves due to the action of the spring, and the push plate drives the movement of the insertion rod. When one end of the insertion rod is inserted into the mobile writing board, the mobile writing board is locked on the rotating block. , so you can write on the fixed writing board for English teaching. When the fixed writing board is full, you can turn the rotating block to write on another fixed writing board for English teaching. Writing is taught in English.

Compared with the prior art, the beneficial effects of the present utility model are:

By rotating and connecting the rotating plate above the bottom plate, it is convenient to adjust the position of the rotating plate relative to the bottom plate, that is, the relative position of the fixed writing board and the moving writing board can be adjusted. Teaching English by writing on a mobile tablet.

The fixed writing board is detachably connected to the end of the connecting rod, the left and right ends of the fixed writing board are provided with accommodating grooves, the sliding plates are movably connected in the accommodating grooves, and the side walls of the sliding board are rotatably connected with mobile writing It is easy to adjust the position between the fixed writing board and the mobile writing board, manually pull the mobile writing board, manually push the push board, and realize the movement of the insertion rod through the push board, and then the mobile writing board is located on the outside of the fixed writing board and rotates to move. The writing board makes one end of the mobile writing board fit on the rotating block, push the push plate manually, the push plate moves due to the action of the spring, and the push plate drives the movement of the insertion rod. When it is on the board, the mobile writing board can be locked on the rotating block, so it is possible to write on the fixed writing board for English teaching. When the fixed writing board is full, the rotating block can be rotated to write on another fixed writing board. For English teaching, the rotating board can be rotated at the same time, and English teaching can be carried out by writing on the mobile writing board.

By locking the movable plate in the chute by the locking bolt, it is convenient to realize the movable plate in the chute by the locking bolt. When the position of the support rod needs to be adjusted, since the lower end of the support rod is fixedly connected to the movable plate, The user manually rotates the locking bolt. When one end of the locking bolt is separated from the chute and the movable block, the user manually moves the support rod to adjust the position of the support rod. The movable plate is locked on the side plate, that is, the locking of the support rod is realized.

By detachably connecting the fixed writing board to the end of the connecting rod, it is convenient to realize the installation and removal of the fixed writing board at the end of the connecting rod. When the fixed writing board needs to be installed between the fixed blocks at the end of the connecting rod, use The operator manually pushes the limit block, and inserts one end of the clamping rod into the socket of the fixing block, and then inserts one end of the locking rod through the fixing block and inserts it on the clamping rod, and at the same time, one end of the threaded rod passes through the fixing block. The block extends to the other side of the block, and the user manually rotates the nut to screw the nut on the nut, so as to lock the locking rod on the clamping rod, that is, to install the fixed writing board between the fixed blocks.

The display device for English teaching is convenient for the installation and disassembly of the fixed writing board, and at the same time, the relative positions of the fixed writing board and the mobile writing board can be adjusted to facilitate the display of writing teaching, which brings convenience to users.

Description of drawings

Fig. 1 is a kind of schematic diagram after unfolding of mobile writing board in a display device for English teaching;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

Fig. 3 is a partial enlarged view at B in Fig. 1;

4 is a schematic diagram of the connection between the bottom plate and the rotating plate in a display device for English teaching;

5 is a schematic diagram of the connection between the bottom plate and the connecting rod in a display device for English teaching;

Fig. 6 is the partial enlarged view of A place in Fig. 5;

Fig. 7 is a kind of schematic diagram when the mobile tablet shrinks in a display device for English teaching;

8 is an internal schematic diagram between a fixed block and a locking rod in a display device for English teaching;

9 is a schematic diagram between a circular plate and a locking rod in a display device for English teaching;

10 is an internal schematic diagram of a rotating block in a display device for English teaching;

11 is an internal schematic diagram of a fixed writing board in a display device for English teaching;

12 is an external schematic diagram of a fixed tablet in a display device for English teaching;

In the figure: 1. Bottom plate; 2. Support rod; 3. Fixed writing board; 4. Rotating plate; 5. Side plate; 6. Active block; 7. Active plate; 8. Connection block; 9. Rotating block; 10. Connecting rod; 11, accommodating slot; 12, sliding plate; 13, mobile writing board; 14, clamping bolt 1; 15, groove; 16, push plate; 17, insert rod; 18, shaft; 19, chute ;20, rotating shaft; 21, fixing block; 22, bolt hole; 23, bearing plate; 24, bearing slot; 25, limit bolt; 26, connecting bolt; 27, rotating column; 28, limit slot; 29, Limit block; 30, clamping rod; 31, jack; 32, threaded rod; 33, circular plate; 34, locking rod; 35, nut; 36, hinge; 37, spring; 38, clamping bolt II; 39. Locking parts; 40. Slots.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-12. In an embodiment of the present utility model, a display device for English teaching includes a base plate 1, a support rod 2 and a fixed writing board 3;

The top of the bottom plate 1 is rotatably connected with a rotating plate 4, the left and right ends of the rotating plate 4 are fixedly connected with side plates 5, the side plate 5 is movably connected with a movable block 6, and one end of the movable block 6 is rotatably connected with a movable plate 7, which is movable. The plate 7 is connected to the side plate 5 through the locking member 39;

The lower end of the support rod 2 is fixedly connected to the movable plate 7, the upper end of the support rod 2 is detachably connected with a connecting block 8, the connecting block 8 is rotatably connected with a rotating block 9, and the rotating block 9 is fixedly connected with a connecting rod 10;

The fixed writing board 3 is detachably connected to the end of the connecting rod 10. The left and right ends of the fixed writing board 3 are provided with accommodating grooves 11. A sliding plate 12 is movably connected in the accommodating groove 11. A mobile writing board 13 is rotatably connected, a groove 15 is opened on the outer side wall of the rotating block 9, and a push plate 16 is elastically connected in the groove 15, and an insertion rod 17 is fixedly connected to the push plate 16, and one end of the insertion rod 17 passes through the groove. The side wall of the slot 15 is inserted on the mobile tablet 13 .

The rotating plate 4 is rotatably connected to the upper surface of the base plate 1 through the rotating shaft 18, and the rotating shaft 18 facilitates the rotating connection of the rotating plate 4 to the upper surface of the base plate 1;

The side plate 5 is provided with a chute 19 for sliding connection of the movable block 6, and the arrangement of the chute 19 is convenient for adjusting the position of the movable block 6 on the side plate 5;

The movable plate 7 is rotatably connected to the end of the movable block 6 through the rotating shaft 20, and the rotation of the movable plate 7 relative to the movable block 6 is facilitated by the arrangement of the rotating shaft 20;

The locking member 39 is a locking bolt. The movable plate 7 is locked in the chute 19 by the locking bolt. The chute 19 and the movable block 6 are provided with bolt holes 22 for threaded connection of the locking bolt. When the position of the rod 2, since the lower end of the support rod 2 is fixedly connected to the movable plate 7, the user manually rotates the locking bolt. When one end of the locking bolt is separated from the chute 19 and the movable block 6, the user manually moves the support rod. 2, the position of the support rod 2 can be adjusted, and then the user manually rotates the locking bolt, and the movable plate 7 is locked on the side plate 5 through the locking bolt, that is, the locking of the support rod is realized.

The side plate 5 is fixedly connected with a bearing plate 23. The upper surface of the bearing plate 23 is provided with a bearing slot 24 that is matched with the support rod 2. The upper part of the bearing slot 24 is threadedly connected with a limit bolt 25. When this device is not required At this time, the user places the support rod 2 horizontally with one end of the support rod 2 in the bearing groove 24 of the bearing plate 23, and then manually rotates the limit bolt 25. Since the limit bolt 25 is located above the support rod 2, the limit The positioning bolt 25 realizes the limiting effect on the support rod 2 .

The connecting block 8 is connected to the upper end of the support rod 2 through the connecting bolt 26; the rotating block 9 is rotatably connected to the connecting block 8 through the rotating column 27, and the installation and disassembly of the connecting block 8 on the upper end of the support rod 2 are facilitated by the setting of the connecting bolt 26 , due to the function of the rotating column 27, it is convenient to realize the rotation of the rotating block 9 on the connecting block 8.

A limit slot 28 is provided on the outer side wall of the fixed writing board 3, a limit block 29 is movably connected in the limit slot 28, a clamping rod 30 is fixedly connected to the limit block 29, and a fixed block 21 is fixedly connected to the end of the connecting rod 10. , the fixing block 21 is provided with a socket 31 for the clamping rod 30 , and the fixing block 21 is provided with a locking mechanism for locking the clamping rod 30 .

The locking mechanism includes a threaded rod 32, a circular plate 33 is provided on one side of the fixing block 21, a locking rod 34 is fixedly connected to the side wall of the circular plate 33, and one end of the locking rod 34 passes through the fixing block 21 and is inserted On the clamping rod 30, the threaded rod 32 is fixedly connected to the circular plate 33, and one end of the threaded rod 32 passes through the fixing block 21 and is threadedly connected with a nut 35. When the fixed writing board 3 needs to be installed between the fixing blocks 21 When the user manually pushes the limiting block 29 and inserts one end of the clamping rod 30 into the insertion hole 31 of the fixing block 21, then one end of the locking rod 34 passes through the fixing block 21 and is inserted into the clamping rod 30 At the same time, one end of the threaded rod 32 passes through the fixing block 21 and extends to the other side. The user manually rotates the nut 35 so that the nut 35 is threadedly connected to the nut 35, thereby realizing the locking of the locking rod 34 on the clamping rod. 30 , the fixed tablet 3 is installed between the fixed blocks 21 .

The mobile writing board 13 is rotatably connected to the side wall of the sliding board 12 through the hinge 36, and the hinge 36 facilitates the rotation of the mobile writing board 13 relative to the sliding board 12;

The push plate 16 and the groove 15 are fixedly connected by a spring 37 , and the arrangement of the spring 37 facilitates the elastic arrangement of the push plate 16 in the groove 15 .

The end of the mobile writing board 13 is provided with a slot 40 for inserting the rod 17, and the mobile writing board 13 is connected in the accommodating slot 11 through the clamping bolt 2 38, which is convenient to pass the clamping bolt 2 when the mobile writing board 13 does not need to be realized. 38 is locked in the receiving groove 11 .

There are two connecting rods 10, and the middle parts of the two connecting rods 10 are connected to the rotating block 9 through a clamping bolt 1 14, and the installation and disassembly between the two connecting rods 10 are facilitated through the clamping bolt 1 14. The installation and removal of the connecting rod 10 on the rotating block 9 is realized.

A method of using a display device for English teaching, the specific steps of the using method include:

Manually rotate the locking bolt. When one end of the locking bolt is separated from the chute 19 and the movable block 6, manually rotate the support rod 2 to make the support rod 2 and the bottom plate 1 appear vertical, and then the position of the support rod 2 can be adjusted. Manually rotate the locking bolt, and the movable plate 7 is locked on the side plate 5 through the locking bolt, that is, the locking of the support rod is realized;

When placing the fixed tablet 3 between the fixed blocks 21, manually push the limit block 29, and insert one end of the clamping rod 30 into the insertion hole 31 of the fixed block 21, and then pass one end of the locking rod 34 through. The threaded rod 32 passes through the fixing block 21 and is inserted into the clamping rod 30. At the same time, one end of the threaded rod 32 passes through the fixing block 21 and extends to the other side. Manually rotate the nut 35 so that the nut 35 is threaded on the nut 35, thereby realizing the The locking rod 34 is locked on the clamping rod 30, that is, the fixed writing board 3 is installed between the fixed blocks 21;

Manually pull the mobile tablet 13, manually push the push plate 16, and realize the movement of the insertion rod 17 through the push plate 16, and then the mobile tablet 13 is located outside the fixed tablet 3, and the mobile tablet 13 is rotated to make the moving tablet 13 move. One end is attached to the rotating block 9, and the push plate 16 is manually pushed. Due to the action of the spring 37, the push plate 16 is moved. The push plate 16 drives the movement of the insertion rod 17. When one end of the insertion rod 17 is inserted into the mobile writing board 13, the movable tablet 13 is locked on the rotating block 9, so that English teaching can be performed by writing on the fixed tablet 3. When the writing on the fixed tablet 3 is full, the rotating block 9 can be rotated on another block. English teaching is performed by writing on the fixed tablet 3, while the rotating plate 4 can be rotated, and English teaching can be performed by writing on the mobile tablet 13.

When the utility model is in use, the user manually rotates the locking bolt, when one end of the locking bolt is separated from the chute 19 and the movable block 6, the user manually rotates the support rod 2 so that the space between the support rod 2 and the bottom plate 1 is in a vertical state , the position of the support rod 2 can be adjusted, and then the user manually rotates the locking bolt, and the movable plate 7 is locked on the side plate 5 through the locking bolt, that is, the locking of the support rod is realized; When the tablet 3 is placed between the fixed blocks 21, manually push the limit block 29 and insert one end of the clamping rod 30 into the insertion hole 31 of the fixed block 21, and then pass one end of the locking rod 34 through the fixed block 21. The block 21 is inserted on the clamping rod 30, and one end of the threaded rod 32 passes through the fixed block 21 and extends to the other side. The locking rod 34 is locked on the clamping rod 30, that is, the fixed tablet 3 is installed between the fixed blocks 21; the user manually pulls the mobile tablet 13, and the user manually pushes the push plate 16, which is realized by the push plate 16. The movement of the insertion rod 17, then the mobile tablet 13 is located on the outside of the fixed tablet 3, and the mobile tablet 13 is rotated to make one end of the movable tablet 13 fit on the rotating block 9, and the push plate 16 is manually pushed. Due to the spring 37 The function of the push plate 16 is realized, and the movement of the insertion rod 17 is driven by the push plate 16. When one end of the insertion rod 17 is inserted on the mobile tablet 13, the movable tablet 13 is locked on the rotating block 9. , so the user can write on the fixed writing board 3 for English teaching, when the writing on the fixed writing board 3 is full, the rotating block 9 can write on another fixed writing board 3 for English teaching, and the rotating board 4 can be rotated at the same time. , so that the mobile tablet 13 is facing the students, and the user can write on the mobile tablet 13 for English teaching.

The "fixed connection" described in this utility model means that the two parts connected to each other are fixed together, generally by welding, screwing or gluing, etc.; "rotational connection" means that the two parts are connected in together and can move relative to each other.

Although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution. This description in the specification is only for the sake of clarity. Those skilled in the art should take the specification as a whole. The technical solutions can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Therefore, the above is only a preferred embodiment of the present application, and is not intended to limit the scope of implementation of the present application; that is, all equivalent transformations made according to the scope of the claims of the present application are the protection scope of the claims of the present application. .

Claims (9)

1. A display device for English teaching is characterized by comprising a bottom plate (1), a support rod (2) and a fixed writing board (3);

a rotating plate (4) is rotatably connected above the bottom plate (1), side plates (5) are fixedly connected to the left end and the right end of the rotating plate (4), a movable block (6) is movably connected to the side plates (5), one end of the movable block (6) is rotatably connected with a movable plate (7), and the movable plate (7) is connected to the side plates (5) through locking pieces (39);

the lower end of the supporting rod (2) is fixedly connected to the movable plate (7), the upper end of the supporting rod (2) is detachably connected with a connecting block (8), the connecting block (8) is rotatably connected with a rotating block (9), and the rotating block (9) is fixedly connected with a connecting rod (10);

fixed board (3) dismantlement formula is connected at the tip of connecting rod (10), holding tank (11) have all been seted up at both ends about fixed board (3), swing joint has slide plate (12) in holding tank (11), it is connected with removal board (13) to rotate on the lateral wall of slide plate (12), set up on the lateral wall of turning block (9) fluted (15), elastic connection has push pedal (16) in recess (15), fixedly connected with inserted bar (17) on push pedal (16), inserted bar (17) one end is passed the lateral wall of recess (15) and is inserted and establish on removal board (13).

2. A display device for english teaching according to claim 1, characterized in that, the rotating plate (4) is rotatably connected to the upper surface of the bottom plate (1) through a rotating shaft (18);

the side plate (5) is provided with a sliding groove (19) for the sliding connection of the movable block (6);

the movable plate (7) is rotatably connected to the end part of the movable block (6) through a rotating shaft (20);

retaining member (39) are locking bolt, fly leaf (7) are through locking bolt locking in spout (19), all offer bolt hole (22) that are used for locking bolt threaded connection on spout (19) and movable block (6).

3. The display device for English teaching of claim 1, wherein the side plate (5) is fixedly connected with a bearing plate (23), the upper surface of the bearing plate (23) is provided with a bearing groove (24) which is matched with the support rod (2) downwards, and a limit bolt (25) is connected to the upper portion of the bearing groove (24) in a threaded manner.

4. Display device for english teaching according to claim 1, characterized in that said connecting block (8) is connected to the upper end of the supporting rod (2) by means of a connecting bolt (26); the rotating block (9) is rotatably connected to the connecting block (8) through a rotating column (27).

5. The display device for English teaching of claim 1, wherein a limiting groove (28) is formed in the outer side wall of the fixed writing board (3), a limiting block (29) is movably connected in the limiting groove (28), a clamping rod (30) is fixedly connected to the limiting block (29), a fixed block (21) is fixedly connected to the end of the connecting rod (10), a jack (31) for the clamping rod (30) is formed in the fixed block (21), and a locking mechanism for locking the clamping rod (30) is arranged on the fixed block (21).

6. Display device for english teaching according to claim 5, characterized in that the locking mechanism comprises a threaded rod (32), a circular plate (33) is arranged on one side of the fixed block (21), a locking rod (34) is fixedly connected to the side wall of the circular plate (33), one end of the locking rod (34) passes through the fixed block (21) and is inserted on the clamping rod (30), the threaded rod (32) is fixedly connected to the circular plate (33), and one end of the threaded rod (32) passes through the fixed block (21) and is connected with a nut (35) in a threaded manner.

7. A display device for english teaching according to claim 1, characterized in that the mobile tablet (13) is pivotally connected to the side wall of the slide board (12) by a hinge (36);

the push plate (16) and the groove (15) are fixedly connected through a spring (37).

8. The display device for English teaching of claim 1, wherein the end of the movable tablet (13) is provided with a slot (40) for inserting the rod (17), and the movable tablet (13) is connected in the accommodating groove (11) through a clamping bolt II (38).

9. Display device for english teaching according to claim 1, characterized in that the connecting rods (10) are two, the middle of the two connecting rods (10) being connected to the turning block (9) by a clamping bolt (14).

Images