CN112277501A

CN112277501A - Foldable english teaching frame

Info

Publication number: CN112277501A
Application number: CN202011231765.8A
Authority: CN
Inventors: 姚燕飞; 郜芬; 卢宏亮; 贾慧敏
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-01-29

Abstract

The invention relates to the technical field of English teaching tools, and discloses a folding English teaching frame, which comprises: polylith clipboard and two sets of extensible member, the rear end face of polylith clipboard has the slide rail along the horizontal direction, the intercommunication groove that runs through its interior lateral wall along the horizontal direction has on the slide rail, the upper and lower end of the preceding terminal surface of clipboard has the slide that matches suitably with the slide rail, the slide has the gliding draw runner along the intercommunication groove, the polylith clipboard can expand in proper order and through the chucking of chucking spare each other along the horizontal direction, two sets of extensible members are connected respectively in the outside end of the clipboard of both sides, extensible member includes two upper end articulated telescopic links, the telescopic link includes that sleeve and slip cup joint the loop bar in the sleeve, two telescopic upper ends are articulated through the pivot, the relative length of sleeve and loop bar can lock. The foldable English teaching frame can display teaching contents such as grammatical sentences and roots with high repeatability at fixed positions on the foldable English teaching frame and can be carried to different classes for repeated use.

Description

Foldable english teaching frame

Technical Field

The invention relates to the technical field of English teaching tools, in particular to a folding type English teaching frame.

Background

English is one of the world languages, and has become an important subject in existing teaching, throughout the obligatory and non-obligatory phases of education.

In daily english teaching, an english teacher often needs to write grammar sentences, roots, and the like on a blackboard to allow students to learn, the grammar sentences and the roots are common in the same level, even in multiple levels within one age group, but the teacher needs to repeatedly write a plurality of identical grammar sentences and contents with high repetition frequency in the roots in different levels.

Therefore, English teachers actually do a lot of repetitive work every day, blackboard-writing written in different classes has a lot of repetitive contents, and the time of the teachers in class is greatly wasted.

Disclosure of Invention

The invention provides a folding English teaching rack which can display teaching contents such as grammatical sentences and roots with high repeatability at fixed positions on the folding English teaching rack and can be carried to different classes for repeated use.

The invention provides a folding English teaching rack, comprising:

the upper end and the lower end of the rear end surface of the writing board are provided with sliding rails along the horizontal direction, the sliding rails are provided with communicating grooves penetrating through the inner side walls of the sliding rails along the horizontal direction, the communicating grooves do not penetrate through the left side wall and the right side wall of the sliding rails, the upper end and the lower end of the front end surface of the writing board are provided with sliding plates matched with the sliding rails, the upper side end and the lower side end of each sliding plate are provided with sliding strips sliding along the communicating grooves, and the writing boards can be sequentially unfolded from left to right along the horizontal direction and are clamped;

two sets of extensible member connect respectively in the outside end of the clipboard of expansion back both sides end, and every group extensible member includes two upper end articulated telescopic links, and the telescopic link includes that sleeve and slip cup joint the loop bar in the sleeve, and two telescopic upper ends of every group extensible member are articulated through the pivot, and the relative length of sleeve and loop bar can lock.

Optionally, the clamping member includes a through hole penetrating through upper and lower side ends of the slide rail on the same writing board in a vertical direction, and a bolt capable of penetrating the through hole, and the through hole is close to a right side end of the communicating groove.

Optionally, the sleeve has continuous sawtooth along its length direction, and the loop bar has the intercommunication chamber that runs through its lateral wall near one side of upper end, and the interior diapire in intercommunication chamber is connected with the spring, and spring end-to-end connection has the fixture block, and the fixture block can pop out the intercommunication intracavity and block in certain sawtooth under the effect of spring part.

It is optional, the upper end of leftmost clipboard articulates through the hinge has the apron, the inside cavity that has of apron, the lateral wall of apron has the jack, jack and cavity intercommunication, the level is pegged graft in the jack has the dwang, coaxial coupling has the gear of locating in the cavity on the dwang, gear engagement has the rack that sets up along vertical direction, the rack locate in the cavity and with the inner wall sliding connection of cavity, the lower extreme of leftmost clipboard has the baffle that extends the front end face of clipboard, the draw-in groove has on the baffle, the draw-in groove is located under the rack, and the lower extreme of rack can block into in the draw-in groove.

Optionally, the left and right sides of the leftmost writing board and the rightmost writing board are respectively hinged with a limiting plate through bearings with 90-degree corners, the tail end of the limiting plate is connected with a clamping block, and the left and right sides of the middle writing board are respectively provided with a limiting groove matched with the clamping block.

Optionally, a handle is fixedly connected to the upper end face of one writing board.

Optionally, a receiving groove is formed in the rear end surface of the writing board located at the rearmost end after the writing board is unfolded.

Compared with the prior art, the invention has the beneficial effects that: the English teacher with the folding English teaching frame provided by the invention only needs to paste or write English classroom teaching contents with high repeatability such as grammatical sentences, roots and the like on a certain writing board in advance, and can write different contents on other writing boards in a classroom in real time, then a plurality of writing boards can be sequentially overlapped together through the sliding rail arranged on the rear end surface of each writing board and the sliding plate arranged on the front end surface of the writing board, so that a small whole can be formed, another class needing to be attended can be carried, a plurality of writing boards can be unfolded one by one from left to right through the sliding rail arranged on the rear end surface of each writing board and the sliding plate arranged on the front end surface of the writing board, all writing boards are displayed in a classroom, the sliding distance of the writing boards is limited by sliding the sliding bars to the extreme ends of the communicating grooves, and the plurality of writing boards are clamped through the clamping pieces to lock the sliding distances of the writing boards, through pulling out the loop bar in the sleeve again, adjust the relative telescopic extension length of loop bar and lock and then adjust the height of clipboard, make the student can both see the content on the clipboard, the teacher just can regard the teaching frame as the blackboard usefulness, owing to conveniently fold and carry the expansion, very big saving the time of english teaching in-process repeated clipboard book, make the english teacher have more time in the classroom can with student interdynamic, promote english teaching quality.

Drawings

Fig. 1 is a front view of a folded english teaching stand according to an embodiment of the present invention after being unfolded;

fig. 2 is a left side view of the unfolded foldable english teaching stand according to the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the structure at G in FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure at H in FIG. 1;

FIG. 5 is an enlarged view of a portion of the structure at J in FIG. 2;

fig. 6 is a schematic structural diagram of a folded english teaching frame according to an embodiment of the present invention;

fig. 7 is a front view of a folded english teaching stand according to an embodiment of the present invention.

Description of reference numerals:

1-writing board, 2-sliding rail, 3-sliding board, 4-telescopic rod, 5-communicating groove, 6-sliding strip, 7-clamping piece, 8-cover board, 9-cavity, 10-jack, 11-rotating rod, 12-gear, 13-rack, 14-baffle, 15-clamping groove, 16-limiting board, 17-clamping block, 18-limiting groove, 19-handle, 20-accommodating groove and 21-locking piece.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a foldable english teaching rack, including: polylith clipboard 1 and two sets of extensible member, the upper and lower end of polylith clipboard 1's rear end face has along horizontal direction's slide rail 2, have on the slide rail 2 along the horizontal direction intercommunication groove 5 that its inner wall runs through, intercommunication groove 5 does not run through slide rail 2 about the lateral wall, the upper and lower end of the preceding terminal surface of clipboard 1 has the slide 3 that matches with slide rail 2 and fit, slide 3's upper and lower side has along the gliding draw runner 6 of intercommunication groove 5, polylith clipboard 1 can follow the horizontal direction from left right side to left side in proper order expand and through chucking spare 7 mutual chucking, two sets of extensible member are connected respectively in the outside end of the clipboard 1 who expandes the rear both sides end, every group extensible member includes two upper end articulated telescopic link 4, telescopic link 4 includes sleeve 410 and slides the loop bar 420 of cup jointing in sleeve 410, the upper end of two sleeve 410 of every group extensible member is articulated through the pivot, sleeve 410 and loop.

The use method and the working principle are as follows: in this embodiment, the writing boards 1 are set to be three, english teachers can write the contents on the first unfolded writing board 1 in advance or print the contents and then paste the contents on the first unfolded writing board 1 when summarizing the daily teaching work, or the first writing board 1 can be set to be a magnetic board, the printed contents are pasted on the first writing board 1 through magnets, the contents are convenient to change in the later period, when the classroom is reached, the three writing boards 1 are sequentially slid open, the sliding board 3 is sequentially slid along the sliding rail 2, all the writing boards 1 are displayed one by one until the sliding bar 6 slides to the rightmost end of the communicating groove 5, the sliding position of the writing board 1 is locked through the clamping piece 7, and then the 4 loop bars 420 are gradually pulled out of the sleeve 410 until the height of the writing board 1 is enough for students to see the lowest end of the writing board 1, locking loop bar 420 and sleeve 410's relative length can, form the chevron shape between two articulated loop bars 420 mutually, carry out the angle locking through retaining member 21, retaining member 21 can be the hasp, can supply the english teacher to write the blackboard writing that the classroom needs immediately in the classroom on remaining two clipboards 1, after having gone up class, relieve chucking spare 7, two clipboards 1 on right side slide into the rear of left first clipboard 1 one by one, can accomodate it folding in the sleeve 410 with loop bar 420 income, it can to carry other classrooms.

The English teacher with the folding English teaching frame provided by the invention only needs to paste or write English classroom teaching contents with high repeatability such as grammatical sentences, roots and the like on a certain writing board in advance, and can write different contents on other writing boards in a classroom in real time, then a plurality of writing boards can be sequentially overlapped together through the sliding rail arranged on the rear end surface of each writing board and the sliding plate arranged on the front end surface of the writing board, so that a small whole can be formed, another class needing to be attended can be carried, a plurality of writing boards can be unfolded one by one from left to right through the sliding rail arranged on the rear end surface of each writing board and the sliding plate arranged on the front end surface of the writing board, all writing boards are displayed in a classroom, the sliding distance of the writing boards is limited by sliding the sliding bars to the extreme ends of the communicating grooves, and the plurality of writing boards are clamped through the clamping pieces to lock the sliding distances of the writing boards, through pulling out the loop bar in the sleeve again, adjust the relative telescopic extension length of loop bar and lock and then adjust the height of clipboard, make the student can both see the content on the clipboard, the teacher just can regard the teaching frame as the blackboard usefulness, owing to conveniently fold and carry the expansion, very big saving the time of english teaching in-process repeated clipboard book, make the english teacher have more time in the classroom can with student interdynamic, promote english teaching quality.

As shown in fig. 4, the fastening member 7 includes a through hole 710 penetrating through the upper and lower sides of the slide rail 2 on the same writing board 1 in the vertical direction, and a bolt 720 capable of passing through the through hole 710, the through hole 710 is close to the right side end of the communicating groove 5, after all the writing boards 1 are slid one by one, the bolts 720 are inserted one by one into the through hole 710 to clamp the slide bar 6 on the right side of the bolt 720, so that the positions of two adjacent writing boards 1 are locked.

As shown in fig. 5, the sleeve 410 has continuous serrations 411 along the length direction thereof, one side of the sleeve rod 420 near the upper end has a communication chamber 421 penetrating through the side wall thereof, the inner bottom wall of the communication chamber 421 is connected with a spring 422, the end of the spring 422 is connected with a latch 423, the latch 423 can be partially ejected out of the communication chamber 421 and latched into a serration 411 under the action of the spring 422, the sleeve rod 420 is pulled out of the sleeve 410, and after the pull-out distance of the sleeve rod 420 is fixed, the latch 423 is partially ejected out of the communication chamber 421 and latched into a serration 411 corresponding thereto under the elastic force of the spring 422, so that the positions of the sleeve 410 and the sleeve rod 420 are locked.

Combine fig. 6 and fig. 7, the upper end of leftmost clipboard 1 articulates through the hinge has apron 8 that can 360 rotations, apron 8 inside has cavity 9, the lateral wall of apron 8 has jack 10, jack 10 and cavity 9 intercommunication, the level is pegged graft in the jack 10 has dwang 11, coaxial coupling has the gear 12 of locating in cavity 9 on the dwang 11, gear 12 meshes has the rack 13 of following vertical direction setting, rack 13 locate in cavity 9 and with the inner wall sliding connection of cavity 9, the lower extreme of leftmost clipboard 1 has the baffle 14 that extends clipboard 1 preceding terminal surface, draw-in groove 15 has on the baffle 14, draw-in groove 15 is located under rack 13, and the lower extreme of rack 13 can be blocked in draw-in groove 15.

The use method and the working principle are as follows: because the leftmost writing board 1 is exposed outside, in order to avoid the situation that the content fixed on the leftmost writing board 1 in advance is worn in the carrying process, the cover plate 8 is arranged on the leftmost writing board 1, the dustproof effect can also be achieved, when a teaching rack needs to be carried to other classrooms after classroom teaching is completed, the cover plate 8 is rotationally covered to the front end surface of the writing board 1, the lower end surface of the cover plate 8 is positioned above the baffle plate 14 at the moment, the rotating rod 11 is rotated to drive the gear 12 to rotate, the gear 12 drives the rack 13 to move downwards until the lower end of the rack 13 is clamped into the clamping groove 15, the cover plate 8 is locked with the writing board 1, the situation that the cover plate 8 beats the front end surface of the leftmost writing board 1 in the moving process is avoided, when another classroom is reached, three writing boards 1 are unfolded and the telescopic piece is adjusted, the rack 13 is reversely rotated to be separated from the rotating rod 15, the cover plate 8 is turned upwards to display the first writing board 1.

Optionally, the left and right side ends of the leftmost writing board 1 and the rightmost writing board 1 are respectively hinged to a limiting plate 16 through bearings with a 90-degree corner, the tail end of the limiting plate 16 is connected with a clamping block 17, and the left and right side ends of the middle writing board 1 are respectively provided with a limiting groove 18 matched with the clamping block 17.

The use method and the working principle are as follows: after the three writing boards 1 are folded, in order to fix the three writing boards 1 into a whole, the limiting plate 16 can be rotated until the clamping blocks 17 are clamped into the clamping grooves 18, so that the three writing boards 1 can be mutually locked.

Optionally, a handle 19 is fixedly connected to the upper end surface of one writing board 1.

Optionally, the rear end face of the writing board 1 located at the rearmost end after the writing board is unfolded is provided with the accommodating groove 20, so that other articles in the teaching process such as books can be conveniently placed in the accommodating groove 20, and the writing board is convenient to carry.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a foldable english teaching frame which characterized in that includes:

the writing board comprises a plurality of writing boards (1), wherein the upper end and the lower end of the rear end face of each writing board (1) are provided with sliding rails (2) along the horizontal direction, the sliding rails (2) are provided with communicating grooves (5) penetrating through the inner side walls of the sliding rails in the horizontal direction, the communicating grooves (5) do not penetrate through the left side wall and the right side wall of the sliding rails (2), the upper end and the lower end of the front end face of each writing board (1) are provided with sliding plates (3) matched with the sliding rails (2), the upper side end and the lower side end of each sliding plate (3) are provided with sliding strips (6) sliding along the communicating grooves (5), and the writing boards (1) can be sequentially unfolded from left to right along the horizontal direction and are mutually;

two sets of extensible member, connect respectively in the outside end of clipboard (1) of expansion back both sides end, every group the extensible member includes two upper end articulated telescopic link (4), telescopic link (4) including sleeve (410) with slide cup joint in loop bar (420) in sleeve (410), two of every group extensible member the upper end of sleeve (410) is articulated through the pivot, the relative length of sleeve (410) and loop bar (420) can lock.

2. The folding english teaching stand according to claim 1, characterized in that said clamping member (7) comprises a through hole (710) passing through the upper and lower ends of the slide rail (2) on the same said writing board (1) in the vertical direction, and a bolt (720) capable of passing through said through hole (710), said through hole (710) being close to the right side end of said communication groove (5).

3. The folding English teaching stand according to claim 1 or 2, wherein the sleeve (410) has continuous saw teeth (411) along the length direction thereof, one side of the sleeve rod (420) near the upper end is provided with a communication cavity (421) penetrating through the side wall thereof, the inner bottom wall of the communication cavity (421) is connected with a spring (422), the end of the spring (422) is connected with a latch (4232), and the latch (423) can be partially ejected out of the communication cavity (421) and latched into a certain saw tooth (411) under the action of the spring (422).

4. The folding English teaching stand according to claim 1, wherein the upper end of the leftmost writing board (1) is hinged to a cover plate (8) through a hinge, the cover plate (8) has a cavity (9) therein, the side wall of the cover plate (8) has a jack (10), the jack (10) is communicated with the cavity (9), a rotating rod (11) is horizontally inserted into the jack (10), a gear (12) disposed in the cavity (9) is coaxially connected to the rotating rod (11), the gear (12) is engaged with a rack (13) disposed in a vertical direction, the rack (13) is disposed in the cavity (9) and slidably connected to the inner wall of the cavity (9), the lower end of the leftmost writing board (1) has a baffle plate (14) extending out of the front end face of the writing board (1), and the baffle plate (14) has a clamping groove (15), the clamping groove (15) is located under the rack (13), and the lower end of the rack (13) can be clamped into the clamping groove (15).

5. The folding English teaching stand according to claim 1 or 4, wherein the left and right side ends of the leftmost writing board (1) and the rightmost writing board (1) are respectively hinged with a limiting plate (16) through bearings with 90 ° rotation angles, the end of the limiting plate (16) is connected with a clamping block (17), and the left and right side ends of the middle writing board (1) are respectively provided with a limiting groove (18) matched with the clamping block (17).

6. The folding English teaching stand according to claim 5, wherein a handle (19) is attached to the upper end face of one of the writing boards (1).

7. The folding english teaching stand according to claim 1, characterized in that the rear end face of the writing board (1) located at the rearmost end after the unfolding is provided with a receiving groove (20).