CN215911026U

CN215911026U - College english grammar is compiled display device

Info

Publication number: CN215911026U
Application number: CN202122225138.XU
Authority: CN
Inventors: 孙玲琪
Original assignee: Changchun Guanghua University
Current assignee: Changchun Guanghua University
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-25
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of display devices and discloses a college English grammar assembly display device which comprises a support frame, a first winding drum and a second winding drum, wherein the first winding drum and the second winding drum are arranged inside the support frame, right-end rotating shafts of the first winding drum and the second winding drum are respectively provided with a first U-shaped groove, two clamping mechanisms are respectively arranged inside the two first U-shaped grooves, the two clamping mechanisms are in transmission connection through a transmission device, and left-end rotating shafts of the first winding drum and the second winding drum are in clamping connection with a driving mechanism. The utility model is convenient for users to change grammar knowledge of different chapters and can be repeatedly used.

Description

College english grammar is compiled display device

Technical Field

The utility model relates to the technical field of display devices, in particular to a college English grammar assembly display device.

Background

The English grammar is a series of language rules systematically summarized and induced after being researched for English language, the grammar is a rule for word composition and sentence making, and is a language rule for putting proper words into proper positions, and the grammar can be divided into two parts: the syntax and the lexical method are respectively, the lexical method comprises forms and changes of various words, the syntax mainly explains types and types of sentences, sentence components and rules of word sending and sentence making.

The existing display device is large in size and complex in operation, and is used for writing on a blackboard or a display board during traditional grammar display, so that the occupied space is large, the display device is inconvenient to carry, and the display device cannot be used repeatedly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a user is inconvenient to carry and reuse due to the fact that the display size is too large in the prior art, and provides a college English grammar compiling display device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a display device is compiled to college english grammar, includes support frame, first reel and second reel set up inside the support frame, first U-shaped groove has been seted up respectively in the right-hand member pivot of first reel and second reel, two the inside in first U-shaped groove is provided with two chucking mechanisms respectively, two connect through the transmission between the chucking mechanism, the left end pivot joint of first reel and second reel is provided with actuating mechanism.

Preferably, the clamping mechanism comprises a first rotating rod, a sliding block, a vertical plate, a screw rod and a first bevel gear, the vertical plate is fixedly connected with the inner lower surface of the support frame, rod walls at two ends of the screw rod are rotatably connected with the vertical plate and the right side plate of the support frame through first bearings, the sliding block is movably sleeved with the rod wall of the screw rod, the rod wall at the right end of the first rotating rod is rotatably connected with the left side wall of the sliding block through a second bearing, the left end of the first rotating rod is rotatably arranged in a first U-shaped groove through a first shaft pin, and the first bevel gear is fixedly sleeved on the rod wall of the first screw rod.

Preferably, the transmission device comprises a second rotating rod, two second bevel gears and a transverse plate, the transverse plate is fixedly connected with the inner wall of the right side of the support frame, the rod wall of the second rotating rod is rotatably connected with the transverse plate through a third bearing, the two second bevel gears are respectively and fixedly sleeved on the rod walls at two ends of the second rotating rod, and the two second bevel gears are respectively in meshing connection with the corresponding first bevel gears.

Preferably, actuating mechanism includes two third bull sticks, two belt pulleys and belt, two the pole wall of third bull stick rotates through the left side board of fourth bearing and support frame respectively and is connected, two the belt pulley cup joints with the pole wall of two third bull sticks is fixed respectively, two connect through belt transmission between the belt pulley, two the right-hand member pole wall of third bull stick runs through the left side board of support frame respectively and inwards extends, two the second U-shaped groove has been seted up respectively to the right-hand member of third bull stick, the left end of first reel and second reel rotates through the second axis pin respectively and sets up in the inside in second U-shaped groove.

Preferably, a crank is fixedly connected to the left end of the third rotating rod.

Preferably, the right end of the screw rod at the lower end penetrates through the right side plate of the support frame, extends outwards and is fixedly connected with a knob.

Compared with the prior art, the utility model provides a college English grammar compilation display device, which has the following beneficial effects:

1. this kind of display device is compiled to college english grammar through the actuating mechanism and first reel and the second reel that set up, will compile good grammar paper crimping to one of them reel in, then roll the demonstration through two reels to convenient to use person can used repeatedly.

2. This kind of display device is compiled to college english grammar, through chucking mechanism and the transmission that sets up, can convenient to use person change first reel and second reel to can explain more grammatical knowledge.

The parts which are not involved in the device are the same as the prior art or can be realized by the prior art, and the grammar reading device is convenient for a user to replace grammar knowledge of different chapters and can be repeatedly used.

Drawings

FIG. 1 is a schematic structural diagram of a college English grammar compilation display device according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a support frame 1, a first winding drum 2, a lead screw 3, a knob 4, a second rotating rod 5, a transverse plate 6, a second bevel gear 7, a third rotating rod 8, a belt pulley 9, a belt 10, a crank 11, a vertical plate 12, a first bevel gear 13, a sliding block 14, a first rotating rod 15 and a second winding drum 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

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

Referring to fig. 1-2, a display device is compiled to college english grammar, including support frame 1, first reel 2 and second reel 16 set up inside support frame 1, first U-shaped groove has been seted up respectively to the right-hand member pivot of first reel 2 and second reel 16, the inside in two first U-shaped grooves is provided with two chucking mechanisms respectively, connect through the transmission between two chucking mechanisms, the left end pivot joint of first reel 2 and second reel 16 is provided with actuating mechanism.

Chucking mechanism includes first bull stick 15, slider 14, riser 12, lead screw 3 and first bevel gear 13, riser 12 and the inside fixed surface connection of lower surface of support frame 1, the both ends pole wall of lead screw 3 rotates through first bearing and riser 12 and the 1 right side board of support frame to be connected, slider 14 cup joints with the pole wall activity of lead screw 3, the right-hand member pole wall of first bull stick 15 rotates through second bearing and slider 14 left side wall to be connected, the left end of first bull stick 15 rotates through first pivot and sets up in the inside in first U-shaped groove, first bevel gear 13 is fixed cup joints in the pole wall of first lead screw 3, be convenient for fix first reel 2 and second reel 16.

The transmission device comprises a second rotating rod 5, two second bevel gears 7 and a transverse plate 6, the transverse plate 6 is fixedly connected with the inner wall of the right side of the support frame 1, the rod wall of the second rotating rod 5 is rotatably connected with the transverse plate 6 through a third bearing, the two second bevel gears 7 are respectively fixedly sleeved on the rod walls at two ends of the second rotating rod 5, and the two second bevel gears 7 are respectively in meshed connection with the corresponding first bevel gears 13, so that the screw rod 3 can be driven to rotate conveniently.

Actuating mechanism includes two third bull sticks 8, two belt pulleys 9 and belt 10, the pole wall of two third bull sticks 8 rotates through the left side board of fourth bearing and support frame 1 respectively and is connected, two belt pulleys 9 cup joint with the pole wall of two third bull sticks 8 is fixed respectively, connect through the belt 10 transmission between two belt pulleys 9, the right-hand member pole wall of two third bull sticks 8 runs through the left side board of support frame 1 respectively and inwards extends, the second U-shaped groove has been seted up respectively to the right-hand member of two third bull sticks 8, the left end of first reel 2 and second reel 16 rotates through the second axis pin respectively and sets up in the inside in second U-shaped groove, the person of facilitating the use drives first reel 1 and second reel 16 and rotates, and then show the grammar.

The left end of the third rotating rod 8 is fixedly connected with a crank 11, so that a user can rotate the third rotating rod 8 conveniently.

The right-hand member of lead screw 3 of lower extreme runs through the right side board of support frame 1 and outwards extends and fixedly connected with knob 4, the rotatory lead screw 3 of being convenient for.

In the utility model, when in use, the knob 4 is rotated anticlockwise to drive the screw rod 3 to rotate, so as to drive the slide block 14 and the first rotating rod 15 at the lower end to move outwards, the second rotating rod 5 is driven to rotate through the meshing rotation between the first bevel gear 13 and the second bevel gear 7 at the lower end, the screw rod 4 at the upper end is driven to rotate through the meshing rotation between the first bevel gear 13 and the second bevel gear 7 at the upper end, so as to drive the slide block 14 and the first rotating rod 15 to move outwards, the left end rotating shafts of the first winding drum 2 and the second winding drum 16 are respectively inserted into the third rotating rod 8, the first winding drum 2 and the second winding drum 16 are kept in a horizontal state, the knob 4 is rotated clockwise to drive the screw rod 3 to rotate, so as to drive the slide block 14 and the first rotating rod 15 at the lower end to move inwards, the second bevel gear 13 and the second bevel gear 7 at the lower end are meshed rotation to drive the second rotating rod 5 to rotate, and the screw rod 4 at the upper end is driven to rotate through the meshing rotation between the first bevel gear 13 and the second bevel gear 7 at the upper end, and then drive slider 14 and first reel 15 inward movement, and then make first reel 15 insert first U-shaped inslot portion to fix first reel 2 and second reel 16, fixed completion back rotates crank 11, drives third bull stick 8 and rotates, drives the third bull stick 8 rotation of upper end through the transmission of belt pulley 9 and belt 10, and then drives first reel 2 and second reel 16 and rotate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a display device is compiled to college english grammar, includes support frame (1), first reel (2) and second reel (16), its characterized in that, first reel (2) and second reel (16) set up inside support frame (1), first U-shaped groove, two have been seted up respectively in the right-hand member pivot of first reel (2) and second reel (16) the inside in first U-shaped groove is provided with two chucking mechanisms respectively, two connect through the transmission between the chucking mechanism, the left end pivot joint of first reel (2) and second reel (16) is provided with actuating mechanism.

2. The college English grammar assembly display device according to claim 1, wherein the clamping mechanism comprises a first rotating rod (15), a sliding block (14), a vertical plate (12), a screw rod (3) and a first bevel gear (13), the vertical plate (12) is fixedly connected with the inner lower surface of the support frame (1), rod walls at two ends of the screw rod (3) are rotatably connected with the vertical plate (12) and a right side plate of the support frame (1) through first bearings, the sliding block (14) is movably sleeved with the rod wall of the screw rod (3), the rod wall at the right end of the first rotating rod (15) is rotatably connected with the left side wall of the sliding block (14) through a second bearing, the left end of the first rotating rod (15) is rotatably arranged inside the first U-shaped groove through a first shaft pin, and the first bevel gear (13) is fixedly sleeved on the rod wall of the first screw rod (3).

3. The device for demonstrating college English grammar assembly according to claim 1, wherein the transmission device includes a second rotating rod (5), two second bevel gears (7) and a transverse plate (6), the transverse plate (6) is fixedly connected with the inner wall of the right side of the supporting frame (1), the rod wall of the second rotating rod (5) is rotatably connected with the transverse plate (6) through a third bearing, the two second bevel gears (7) are respectively fixedly sleeved on the rod walls of two ends of the second rotating rod (5), and the two second bevel gears (7) are respectively in meshing connection with the corresponding first bevel gears (13).

4. The college English grammar compilation presentation device of claim 1, the driving mechanism comprises two third rotating rods (8), two belt pulleys (9) and a belt (10), the rod walls of the two third rotating rods (8) are respectively rotatably connected with the left side plate of the support frame (1) through fourth bearings, the two belt pulleys (9) are respectively fixedly sleeved with the rod walls of the two third rotating rods (8), the two belt pulleys (9) are in transmission connection through the belt (10), the rod walls of the right ends of the two third rotating rods (8) respectively penetrate through the left side plate of the support frame (1) and extend inwards, the right ends of the two third rotating rods (8) are respectively provided with a second U-shaped groove, the left ends of the first winding drum (2) and the second winding drum (16) are rotatably arranged in the second U-shaped groove through second shaft pins respectively.

5. A college English grammar compilation display device according to claim 4, characterized in that a crank (11) is fixedly connected to the left end of the third rotating rod (8).

6. A college english grammar compilation display device according to claim 2, characterized in that the right end of the lower end of the screw rod (3) penetrates through the right side plate of the support frame (1), extends outwards and is fixedly connected with the knob (4).