CN215770186U

CN215770186U - English teaching demonstration board device

Info

Publication number: CN215770186U
Application number: CN202122278540.4U
Authority: CN
Inventors: 皮瑞
Original assignee: Yunnan Normal University
Current assignee: Yunnan Normal University
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-08
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the teaching field, in particular to an English teaching demonstration board device, which comprises a demonstration board main body and a storage rack, wherein the demonstration board main body is arranged in the storage rack; adjusting components are arranged on two sides of the containing frame and comprise sliding rods, torsional springs and limiting discs, the torsional springs are horizontally arranged on the inner wall of the containing frame, and the demonstration board main body is rotatably arranged on the sliding rods; a torsion spring is arranged between the demonstration board main body and the containing frame and surrounds the sliding rod; the demonstration board comprises a demonstration board body, a storage rack and a nut ring, wherein concave notches are formed in two sides of the demonstration board body, inner grooves are formed in two sides of the interior of the storage rack, the nut ring is vertically installed in each inner groove, and a threaded rotating rod is installed on the inner wall of each nut ring through threads; through showing the board main part upset to accomodating the frame inside to carry the demonstration board, can adjust the angle of demonstration board main part simultaneously, guaranteed the convenience of teaching personnel operation.

Description

English teaching demonstration board device

Technical Field

The utility model relates to the field of teaching, in particular to an English teaching demonstration board device.

Background

The teaching board is a device required for writing or demonstrating knowledge points of people engaged in the education industry, and contents are written on the demonstration board through chalk or a water pen so as to be convenient for students to understand teaching contents.

In the english teaching, can arrange the show with various parts of speech more directly perceivedly through the demonstration board to improve student's learning speed.

The existing English teaching demonstration board can only write knowledge points, has single function, cannot adjust the angle in teaching, is inconvenient for teachers to carry due to large volume and has poor practicability; therefore, an English teaching demonstration board device is provided for the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that the angle of the prior demonstration board cannot be adjusted in the teaching process, the utility model provides an English teaching demonstration board device.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the English teaching demonstration board device comprises a demonstration board main body and a storage rack, wherein the demonstration board main body is arranged in the storage rack;

adjusting components are arranged on two sides of the containing frame and comprise sliding rods, torsional springs and limiting discs, the torsional springs are horizontally arranged on the inner wall of the containing frame, and the demonstration board main body is rotatably arranged on the sliding rods; a torsion spring is arranged between the demonstration board main body and the containing frame and surrounds the sliding rod; the demonstration board comprises a demonstration board body, a storage rack and a nut ring, wherein concave notches are formed in two sides of the demonstration board body, inner grooves are formed in two sides of the interior of the storage rack, the nut ring is vertically installed in each inner groove, and a threaded rotating rod is installed on the inner wall of each nut ring through threads; one side of the threaded rotating rod is provided with a limiting disc, and the other side of the threaded rotating rod is provided with a T-shaped rod; spacing dish joint is inside indent notch, can adjust the angle of demonstration board main part to ensure the convenience that the student in the english teaching watched.

Preferably, T type pole externally mounted has the spacing ring, be provided with buffer spring between T type pole and the spacing ring, it is spacing to T type pole and screw bull stick, and then cushions the extrusion force that receives.

Preferably, the inner surface of the limiting disc is glued with a plurality of groups of rubber bumps, and one ends of the rubber bumps, which are deviated from the limiting disc, are attached to the concave notches, so that the fixing effect on the loop bar is further improved.

Preferably, the rear end fixed mounting who accomodates frame upper surface draws the handle, and draws and be provided with anti-skidding line on the handle, has ensured the convenience of device in operation process.

Preferably, accomodate the inside bottom of frame and be provided with supporting component, supporting component includes adjusting threaded rod, loop bar and extension plate, accomodate the inside bottom both sides of frame and all symmetrical and have seted up and accomodate the groove, accomodate inslot wall and all have adjusting threaded rod through bearing movable mounting, adjusting threaded rod installs the loop bar through the screw thread in the outside, loop bar outside rigid coupling has the backup pad, and sliding connection has the extension plate in the backup pad, can support the demonstration board main part, has further improved the stability of demonstration board main part in the use.

Preferably, the outer wall of the extension plate is glued with a non-slip mat, and the non-slip mat is made of rubber, so that the stability effect of the extension plate during supporting is further improved.

The utility model has the advantages that:

1. by rotating the T-shaped rod, the threaded rotating rod is installed inside the nut ring in a threaded mode, the limiting disc, the T-shaped rod and the T-shaped rod move towards one end far away from the demonstration board main body, the limiting disc is separated from a clamping state between the limiting disc and the concave notch at the moment, then the demonstration board main body is turned forwards, the demonstration board main body is driven to move axially along the sliding rod, the torsion spring is extruded, when the sliding rod is in a vertical state, the demonstration board main body is turned into the containing frame so as to be convenient to carry the demonstration board, meanwhile, the angle of the demonstration board main body can be adjusted, and convenience in operation of teaching personnel is guaranteed;

2. make it be vertical state with accomodating the frame through rotating adjusting threaded rod, because adjusting threaded rod passes through bearing movable mounting, upwards upset adjusting threaded rod again this moment, make it be vertical state after, hold the loop bar this moment and rotate, because the loop bar passes through the threaded sleeve and establishes at adjusting threaded rod outside, drive the loop bar and reciprocate along adjusting threaded rod's outer wall, move to the one end that is close to the demonstration board main part at adjusting threaded rod, simultaneously because extension plate sliding connection is inside the backup pad, through outside pulling extension plate, make the extension plate outside the backup pad is inside to the outside activity, and then increased the area of contact between backup pad and the demonstration board main part, when extension plate and demonstration board main part bottom contacted, can support the demonstration board main part, the stability of demonstration board main part in the use has further been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to an embodiment;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2 according to an embodiment;

fig. 5 is a schematic partial cross-sectional structure diagram of the second embodiment.

In the figure: 1. a storage rack; 101. a slide bar; 102. a torsion spring; 103. pulling a handle; 104. a receiving groove; 105. adjusting the threaded rod; 2. a demonstration board main body; 201. an inner concave notch; 3. a loop bar; 301. a support plate; 303. an extension plate; 304. a non-slip mat; 305. a protective sleeve; 4. a limiting disc; 401. an inner tank; 402. a nut ring; 403. a threaded rotating rod; 404. a T-shaped rod; 405. a rubber bump; 406. a limiting ring; 407. a buffer spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, an english teaching demonstration board device includes a demonstration board main body 2 and a storage rack 1, wherein the demonstration board main body 2 is arranged inside the storage rack 1;

adjusting components are arranged on two sides of the containing frame 1 and comprise a sliding rod 101, a torsion spring 102 and a limiting disc 4, the torsion spring 102 is horizontally arranged on the inner wall of the containing frame 1, and the demonstration board main body 2 is rotatably arranged on the sliding rod 101; a torsion spring 102 is arranged between the demonstration board main body 2 and the storage rack 1, and the torsion spring 102 is surrounded on the sliding rod 101; the demonstration board main body 2 is provided with concave notches 201 on two sides, inner grooves 401 are formed in two sides of the storage rack 1, a nut ring 402 is vertically arranged in each inner groove 401, and a threaded rotating rod 403 is arranged on the inner wall of each nut ring 402 through threads; one side of the threaded rotating rod 403 is provided with a limiting disc 4, and the other side of the threaded rotating rod 403 is provided with a T-shaped rod 404; the limiting disc 4 is clamped in the inner concave notch 201; during operation, by rotating the T-shaped rod 404, because the threaded rotating rod 403 is installed inside the nut ring 402 in a threaded manner, under the action of a force, the threaded rotating rod 403 is driven to move inside the nut ring 402 towards the end far away from the demonstration board main body 2, because the threaded rotating rod 403 and the T-shaped rod 404 are fixedly installed, in the process of rotating the threaded rotating rod 403, the T-shaped rod 404 is driven to continue to be screwed outwards at the same time, and because of the integrated structure design, the limiting disc 4 is driven to move in the same direction as the T-shaped rod 404 and the T-shaped rod 404, so that the limiting disc 4 is separated from the clamping state with the concave notch 201, at the moment, the demonstration board main body 2 can be in a movable state, by turning the demonstration board main body 2 forwards, because the demonstration board main body 2 is rotationally connected to the sliding rod 101, under the action of a force, the demonstration board main body 2 is driven to move axially along the sliding rod 101 to extrude the torsion spring 102, and when the sliding rod 101 is in a vertical state, demonstration board main part 2 sets up inside storage rack 1 this moment, and the effort stops to when piling up demonstration board main part 2, guaranteed the convenience of teaching personnel at the in-process of taking simultaneously, when demonstration board main part 2 is in the user state, can adjust the angle of demonstration board main part 2 this moment, after adjusting, support demonstration board main part 2 through spacing dish 4, in order to ensure the steadiness of demonstration board main part 2 in the use.

A limiting ring 406 is arranged outside the T-shaped rod 404, and a buffer spring 407 is arranged between the T-shaped rod 404 and the limiting ring 406; the during operation carries out the pivoted in-process at screw bull stick 403, it moves to continue to twist to the outside simultaneously to drive T type pole 404, because integral type structural design, and then drive spacing dish 4 and T type pole 404 and carry out the syntropy motion, when spacing dish 4 breaks away from the joint state between the indent notch 201, make

spacing ring

406 and 401 groove collision each other of inside groove this moment, extrude buffer spring 407, make buffer spring 407 take place elastic deformation reconversion, and then cushion the extrusion force that receives, simultaneously through the design of spacing ring 406, it is spacing to T type pole 404 and screw bull stick 403.

A plurality of groups of rubber bumps 405 are glued on the inner surface of the limiting disc 4, and one end of each rubber bump 405, which is far away from the limiting disc 4, is attached to the corresponding concave notch 201; during operation, through with inside spacing 4 joints of dish to indent notch 201, can fix demonstration board main part 2 after adjusting this moment, rubber bumps 405 laminates with indent notch 201 inner wall each other simultaneously, and then has improved the frictional force of contact surface, has further improved the fixed effect to loop bar 3.

A pull handle 103 is fixedly arranged at the rear end of the upper surface of the storage rack 1, and anti-skid grains are arranged on the pull handle 103; during operation, through overturning demonstration board main body 2 to the inside back of storage rack 1, can pull handle 103 through the hand-held at this moment, remove storage rack 1 and demonstration board main body 2 are whole, ensured the convenience of device in operation process.

The bottom end in the storage frame 1 is provided with a supporting component, the supporting component comprises an adjusting threaded rod 105, a loop bar 3 and an extension plate 303, two sides of the bottom end in the storage frame 1 are symmetrically provided with storage grooves 104, the inner walls of the storage grooves 104 are movably provided with the adjusting threaded rod 105 through bearings, the loop bar 3 is arranged outside the adjusting threaded rod 105 through threads, the outer side of the loop bar 3 is fixedly connected with a supporting plate 301, and the extension plate 303 is connected to the supporting plate 301 in a sliding manner; when the demonstration board is in operation, the adjusting threaded rod 105 is rotated to be in a vertical state with the containing frame 1, the adjusting threaded rod 105 is movably installed through a bearing, the adjusting threaded rod 105 is then upwards overturned to be in a vertical state, the sleeve rod 3 is held to rotate, the sleeve rod 3 is sleeved outside the adjusting threaded rod 105 through a thread and is driven to move up and down along the outer wall of the adjusting threaded rod 105 under the action of force, the adjusting threaded rod 105 moves towards one end close to the demonstration board main body 2, meanwhile, the extension board 303 is connected inside the supporting board 301 in a sliding mode and moves towards the outside inside of the supporting board 301 by pulling the extension board 303 towards the outside, so that the contact area between the supporting board 301 and the demonstration board main body 2 is increased, when the extension board 303 is in contact with the bottom end of the demonstration board main body 2, the demonstration board main body 2 can be supported, the stability of the demonstration board main body 2 in the using process is further improved.

The outer wall of the extension plate 303 is glued with an anti-skid pad 304, and the anti-skid pad 304 is made of rubber; the during operation, when extension plate 303 contacted with demonstration board main part 2 bottom, slipmat 304 laminated with demonstration board main part 2 outer wall each other this moment, because slipmat 304 is the rubber design, increased the frictional force after the contact, and then improved the firm effect of extension plate 303 when supporting.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a protective sleeve 305 is sleeved outside the loop bar 3, and the protective sleeve 305 is made of rubber; the during operation makes it be vertical state through rotating adjusting threaded rod 105, holds lag 305 again this moment and rotates, because lag 305 cover is established in loop bar 3 outsidely, in lag 305 pivoted, drives loop bar 3 and rotates, has ensured the travelling comfort of operating personnel operation, simultaneously because lag 305 is the rubber material, at the pivoted in-process, avoids the phenomenon that the hand takes place to skid, has ensured the result of use of device.

The working principle is that by rotating the T-shaped rod 404, because the threaded rotating rod 403 is installed inside the nut ring 402 in a threaded manner, under the action of an acting force, the threaded rotating rod 403 is driven to move inside the nut ring 402 towards one end far away from the demonstration board main body 2, because the threaded rotating rod 403 and the T-shaped rod 404 are fixedly installed, in the process of rotating the threaded rotating rod 403, the T-shaped rod 404 is driven to continue to be screwed outwards at the same time, because of the integrated structure design, the limiting disc 4 is driven to move in the same direction with the T-shaped rod 404 and the T-shaped rod 404, so that the limiting disc 4 is separated from the clamping state with the concave notch 201, at the moment, the demonstration board main body 2 can be in a movable state, by turning the demonstration board main body 2 forwards, because the demonstration board main body 2 is rotationally connected to the sliding rod 101, under the action of the force, the demonstration board main body 2 is driven to move axially along the sliding rod 101 to extrude the torsion spring 102, when the sliding rod 101 is in a vertical state, the demonstration board main body 2 is arranged in the containing frame 1, acting force is stopped, so that convenience and convenience of teaching personnel in the taking process are guaranteed while the demonstration board main body 2 is stacked, when the demonstration board main body 2 is in a use state, the angle of the demonstration board main body 2 can be adjusted, and after adjustment, the demonstration board main body 2 is supported through the limiting disc 4, so that stability of the demonstration board main body 2 in the use process is guaranteed;

the adjusting threaded rod 105 is rotated to be vertical to the containing frame 1, the adjusting threaded rod 105 is movably installed through a bearing, the adjusting threaded rod 105 is turned upwards at the moment and is vertical, then the sleeve rod 3 is held by hands to rotate, the sleeve rod 3 is sleeved outside the adjusting threaded rod 105 through threads, under the action of force, the sleeve rod 3 is driven to move up and down along the outer wall of the adjusting threaded rod 105, the adjusting threaded rod 105 moves towards one end close to the demonstration plate main body 2, meanwhile, the extension plate 303 is connected inside the supporting plate 301 in a sliding mode and moves outwards inside the supporting plate 301 by pulling the extension plate 303 outwards, the contact area between the supporting plate 301 and the demonstration plate main body 2 is increased, when the extension plate 303 is contacted with the bottom end of the demonstration plate main body 2, the demonstration plate main body 2 can be supported, the stability of the demonstration board main body 2 in the using process is further improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides an english teaching demonstration board device which characterized in that: the demonstration board comprises a demonstration board main body (2) and a storage rack (1), wherein the demonstration board main body (2) is arranged inside the storage rack (1);

adjusting components are arranged on two sides of the storage rack (1), each adjusting component comprises a sliding rod (101), a torsion spring (102) and a limiting disc (4), the torsion springs (102) are horizontally mounted on the inner wall of the storage rack (1), and the demonstration board main body (2) is rotatably mounted on the sliding rods (101); a torsion spring (102) is arranged between the demonstration board main body (2) and the storage rack (1), and the torsion spring (102) surrounds the sliding rod (101); the demonstration board comprises a demonstration board main body (2), wherein concave notches (201) are formed in two sides of the demonstration board main body (2), inner grooves (401) are formed in two sides of the inner portion of a containing frame (1), a nut ring (402) is vertically arranged in each inner groove (401), and a threaded rotating rod (403) is arranged on the inner wall of each nut ring (402) through threads; a limiting disc (4) is installed on one side of the threaded rotating rod (403), and a T-shaped rod (404) is installed on the other side of the threaded rotating rod (403); the limiting disc (4) is clamped inside the concave notch (201).

2. The english teaching demonstration board device of claim 1, wherein: a limiting ring (406) is mounted on the outer portion of the T-shaped rod (404), and a buffer spring (407) is arranged between the T-shaped rod (404) and the limiting ring (406).

3. The english teaching demonstration board device of claim 2, wherein: a plurality of groups of rubber bumps (405) are glued on the inner surface of the limiting disc (4), and one ends, departing from the limiting disc (4), of the rubber bumps (405) are attached to the concave notches (201) mutually.

4. The English teaching demonstration board device of claim 3, wherein: the rear end of the upper surface of the storage frame (1) is fixedly provided with a pull handle (103), and the pull handle (103) is provided with anti-skid grains.

5. The English teaching demonstration board device of claim 4, wherein: accomodate the inside bottom of frame (1) and be provided with supporting component, supporting component includes adjusting threaded rod (105), loop bar (3) and extension plate (303), accomodate all the symmetry in the inside bottom both sides of frame (1) and seted up and accomodate groove (104), it all has adjusting threaded rod (105) through bearing movable mounting to accomodate groove (104) inner wall, adjusting threaded rod (105) outside is installed loop bar (3) through the screw thread, loop bar (3) outside rigid coupling has backup pad (301), and sliding connection has extension plate (303) on backup pad (301).

6. The English teaching demonstration board device of claim 5, wherein: the outer wall of the extension plate (303) is glued with a non-slip mat (304), and the non-slip mat (304) is made of rubber.