CN213691098U

CN213691098U - Dedicated teaching demonstration board of english tense

Info

Publication number: CN213691098U
Application number: CN202120029937.7U
Authority: CN
Inventors: 孟姝怡; 杨娜; 孔令丹
Original assignee: Henan Quality Polytechnic
Current assignee: Henan Quality Polytechnic
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-07-13
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a dedicated teaching demonstration board of english tense, the utility model relates to a teaching technical field, including brace table, demonstration board and fixed moving mechanism, the demonstration board sets up in brace table's upper end and is connected with a supporting bench through angle adjusting mechanism, fixed moving mechanism sets up in a brace table's downside, fixed moving mechanism includes universal wheel and supporting shoe, brace table's inside is rotated and is connected with the two-way threaded rod, the right side of two-way threaded rod runs through brace table and fixedly connected with and rotates the handle, bilateral symmetry is provided with the slider rather than threaded connection on the two-way threaded rod, the upside joint of slider is in a brace table and rather than sliding connection. The utility model discloses a fixed moving mechanism who sets up can make things convenient for the user of this device to remove and fix it to can make its in-process stability more that removes.

Description

Dedicated teaching demonstration board of english tense

Technical Field

The utility model relates to a teaching technical field especially relates to a dedicated teaching demonstration board of english tense.

Background

English mr is when carrying out the english teaching, often need use the demonstration board, at some schools that the condition is not good, all be a demonstration board of a plurality of classes sharing usually, and English mr need carry it to next classroom after accomplishing a classroom and use, because the inconvenient removal of demonstration board, all be manual handling usually, use very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a teaching demonstration board special for English tense.

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

a teaching demonstration board special for English tenses comprises a supporting table, a demonstration board and a fixed moving mechanism, wherein the demonstration board is arranged at the upper end of the supporting table and is connected with the supporting table through an angle adjusting mechanism, the fixed moving mechanism is arranged at the lower side of the supporting table and comprises universal wheels and supporting blocks, a bidirectional threaded rod is rotatably connected inside the supporting table, the right side of the bidirectional threaded rod penetrates through the supporting table and is fixedly connected with a rotating handle, sliding blocks in threaded connection with the bidirectional threaded rod are symmetrically arranged on the bidirectional threaded rod in a bilateral mode, the upper side of each sliding block is clamped in the supporting table and is in sliding connection with the supporting table, the lower side of each sliding block extends out of the supporting table and is in sliding connection with the supporting table, a second oscillating rod is arranged on the lower side of each sliding block and is hinged with one end of the corresponding sliding block, and a first supporting, the utility model discloses a damping device, including first bracing piece, second swinging arms, universal wheel, shock attenuation piece, first bracing piece, damping spring, damping block elastic connection, the downside fixedly connected with slide, the upside of slide passes through damping spring and damping block elastic connection, the downside fixedly connected with downside and the articulated slide bar of horizontal pole, the downside bilateral symmetry of brace table is provided with rather than the fixed connection landing leg, first bracing piece is located between the landing leg, the downside and the supporting shoe fixed connection of landing leg.

As a further aspect of the present invention: the anti-slip sleeve is sleeved on the rotating handle.

As a further aspect of the present invention: and the side edges of the supporting legs are fixedly connected with reinforcing ribs.

As a further aspect of the present invention: and the lower side of the supporting block is fixedly connected with an anti-slip pad.

As a further aspect of the present invention: angle adjustment mechanism includes first swinging arms and threaded rod, it is articulated between the downside of demonstration board and the brace table, two blocks of stretching out of the upside fixedly connected with of brace table, the threaded rod with stretch out and rotate between the block and be connected, threaded connection has the second slider on the threaded rod, the upside of second slider is articulated with the one end of first swinging arms, the other end and the demonstration board of first swinging arms are articulated.

The utility model has the advantages that:

through the fixed moving mechanism, the supporting block plays a supporting role when the device is in use, after English teachers finish teaching and need to move the device to other places, firstly, the bidirectional threaded rod is driven to rotate through the rotary rotating handle, the bidirectional threaded rod drives the sliding block to move towards the direction of the rotary handle, the sliding block can drive the first supporting rod to rotate anticlockwise through the second swinging rod, the universal wheel is in contact with the ground, meanwhile, the supporting block is not in contact with the ground, so that the device can move freely, when vibration is generated in the moving process of the device, the universal wheel can drive the transverse rod to rotate, the sliding rod drives the sliding plate to compress the damping spring, the damping effect is achieved, meanwhile, the gravity center of the device is reduced due to the rotation of the transverse rod, the device is more stable, when the device moves, the handle is rotated reversely, through the fixed moving mechanism, a user of the device can move and fix the device conveniently, and the device can be more stable in the moving process.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a teaching demonstration board dedicated for English tenses;

FIG. 2 is a schematic structural view of a supporting and moving mechanism of a teaching demonstration board for English tenses;

FIG. 3 is a left side view of a teaching demonstration board dedicated for English tenses.

In the figure: the device comprises a support table 1, a demonstration plate 2, a bidirectional threaded rod 3, a sliding block 31, a second swinging rod 32, a first supporting rod 33, a damping block 34, a damping spring 35, a sliding rod 36, a universal wheel 37, a cross rod 38, an extension rod 39, a non-slip mat 4, a supporting block 41, a supporting leg 42, a reinforcing rib 43, a rotating handle 5, a non-slip mat 51, a first swinging rod 6, a second sliding block 61, a threaded rod 62 and a second rotating handle 63.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a dedicated teaching demonstration board for english tenses, comprising a supporting table 1, a demonstration board 2 and a fixed moving mechanism, wherein the demonstration board 2 is arranged at the upper end of the supporting table 1 and connected with the supporting table 1 through an angle adjusting mechanism, the fixed moving mechanism is arranged at the lower side of the supporting table 1, the fixed moving mechanism comprises a universal wheel 37 and a supporting block 41, the supporting table 1 is rotatably connected with a bidirectional threaded rod 3, the right side of the bidirectional threaded rod 3 penetrates through the supporting table 1 and is fixedly connected with a rotating handle 5, sliders 31 in threaded connection with the bidirectional threaded rod 3 are symmetrically arranged on the bidirectional threaded rod 3 in the left-right direction, the upper side of each slider 31 is clamped in the supporting table 1 and is in sliding connection with the supporting table 1 to prevent the sliders 31 from rotating due to the rotation of the bidirectional threaded rod 3, and the lower side of each slider 31, a second swing rod 32 is arranged on the lower side of the sliding block 31 and hinged to one end of the sliding block, first support rods 33 hinged to the lower side of the support table 1 are symmetrically arranged on the left and right of the lower side of the support table 1, the second swing rod 32 is located between the first support rods 33, one end, far away from the sliding block 31, of the second swing rod 32 is hinged to the first support rod 33, an extension rod 39 is fixedly connected to the lower side of the first support rod 33, a cross rod 38 is hinged to one side, far away from the second swing rod 32, of the extension rod 39, a universal wheel 37 is located on the lower side of the cross rod 38 and fixedly connected to the cross rod 38, a damping block 34 is hinged to one side, far away from the second swing rod 32, of the first support rod 33, a sliding plate is connected to the damping block 34 in a sliding manner, the upper side of the sliding plate is elastically connected to the damping block 34, the lower side of the support table 1 is symmetrically provided with support legs 42 fixedly connected with the support table, the first support rod 33 is positioned between the support legs 42, and the lower sides of the support legs 42 are fixedly connected with the support blocks 41; the working principle is as follows: when English teachers need to move the device to other places after teaching is finished, firstly, the bidirectional threaded rod 3 is driven to rotate by rotating the rotating handle 5, so that the bidirectional threaded rod 3 drives the sliding block 31 to move towards the direction of the rotating handle 5, the sliding block 31 can drive the first supporting rod 33 to rotate anticlockwise by the movement of the sliding block 31 through the second swinging rod 32, so that the universal wheel 37 is in contact with the ground, meanwhile, the supporting block 41 is not in contact with the ground, therefore, the device can move freely, when vibration is generated in the moving process of the device, the universal wheel 37 can drive the cross rod 38 to rotate, so that the sliding rod 36 drives the sliding plate to compress the damping spring 35, the damping effect is achieved, meanwhile, the gravity center of the device is lowered due to the rotation of the cross rod 38, the device is more stable, when the device moves, the handle 5 is rotated reversely, through the fixed moving mechanism, a user of the device can move and fix the device conveniently, and the device can be more stable in the moving process.

Furthermore, the rotating handle 5 is sleeved with a 51 anti-slip sleeve, so that the friction force between the rotating handle and the palm can be increased during rotation.

Furthermore, the side edge of the leg 42 is fixedly connected with a reinforcing rib 43, so that the leg 42 is more stable.

Preferably, the non-slip mat 4 is fixedly connected to the lower side of the supporting block 41, so as to increase the friction force between the supporting block and the ground.

Example 2

Referring to fig. 3, this embodiment describes in detail the angle adjusting mechanism mentioned in embodiment 1, where the angle adjusting mechanism includes a first swing rod 6 and a threaded rod 62, the lower side of the demonstration board 2 is hinged to the support table 1, the upper side of the support table 1 is fixedly connected with two extending blocks, the threaded rod 62 is rotatably connected to the extending blocks, a second sliding block 61 is connected to the threaded rod 62 in a threaded manner, the upper side of the second sliding block 61 is hinged to one end of the first swing rod 6, and the other end of the first swing rod 6 is hinged to the demonstration board 2; the working principle is as follows: when the demonstration board 2 is required to be adjusted in display angle, the second rotating handle 63 is rotated to drive the threaded rod 62 to rotate, so that the second sliding block 61 can freely move left and right on the threaded rod 62, the first swinging rod 6 drives the demonstration board 2 to rotate, and the angle of the demonstration board 2 can be adjusted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The teaching demonstration board special for English tenses comprises a supporting table (1), a demonstration board (2) and a fixed moving mechanism, and is characterized in that the demonstration board (2) is arranged at the upper end of the supporting table (1) and is connected with the supporting table (1) through an angle adjusting mechanism, the fixed moving mechanism is arranged at the lower side of the supporting table (1), the fixed moving mechanism comprises universal wheels (37) and supporting blocks (41), a bidirectional threaded rod (3) is rotatably connected inside the supporting table (1), the right side of the bidirectional threaded rod (3) penetrates through the supporting table (1) and is fixedly connected with a rotating handle (5), sliders (31) in threaded connection with the bidirectional threaded rod (3) are symmetrically arranged on the bidirectional threaded rod in a left-right mode, the upper sides of the sliders (31) are clamped in the supporting table (1) and are in sliding connection with the supporting table, the lower sides of the sliders (31) extend out of the supporting table (1) and are in sliding connection, the downside of slider (31) is provided with second swinging arms (32) and rather than one end articulated, the downside bilateral symmetry of brace table (1) is provided with rather than articulated first bracing piece (33), second swinging arms (32) are located the position between first bracing piece (33), the one end that slider (31) were kept away from in second swinging arms (32) is articulated with first bracing piece (33), the downside fixedly connected with extension bar (39) of first bracing piece (33), one side that second swinging arms (32) were kept away from in extension bar (39) articulates has horizontal pole (38), universal wheel (37) are located the downside of horizontal pole (38) and rather than fixed connection, one side that second swinging arms (32) were kept away from in first bracing piece (33) articulates has snubber block (34), sliding connection has the slide in snubber block (34), the upside of slide passes through snubber spring (35) and snubber block (34) elastic connection, the lower side of the sliding block is fixedly connected with a sliding rod (36) with the lower side hinged to a cross rod (38), the lower side of the supporting table (1) is provided with supporting legs (42) fixedly connected with the supporting table in a bilateral symmetry mode, the first supporting rod (33) is located between the supporting legs (42), and the lower side of each supporting leg (42) is fixedly connected with the supporting block (41).

2. The English tense dedicated teaching demonstration board according to claim 1, wherein the rotating handle (5) is sleeved with (51) anti-slip sleeve.

3. The English tense dedicated teaching demonstration board according to claim 2, wherein the side of said supporting legs (42) is fixedly connected with a reinforcing rib (43).

4. The English tense dedicated teaching demonstration board according to claim 3, wherein the underside of said supporting block (41) is fixedly connected with a non-slip mat (4).

5. The special teaching demonstration board for English tenses according to claim 1, wherein the angle adjusting mechanism comprises a first swinging rod (6) and a threaded rod (62), the lower side of the demonstration board (2) is hinged to the supporting platform (1), the upper side of the supporting platform (1) is fixedly connected with two extending blocks, the threaded rod (62) is rotatably connected with the extending blocks, a second sliding block (61) is in threaded connection with the threaded rod (62), the upper side of the second sliding block (61) is hinged to one end of the first swinging rod (6), and the other end of the first swinging rod (6) is hinged to the demonstration board (2).