CN212659207U - Display device for teaching - Google Patents

Abstract

The utility model discloses a display device is used in teaching, include: the display board comprises a back board and a rubber board, wherein the rubber board is attached to the front surface of the back board, and the front surface of the rubber board is provided with a plurality of clamping holes; the display strip is made of transparent materials and provided with an open slot into which the paper supply strip is inserted, and the back of the display strip is provided with a clamping column matched with the clamping hole; the rear wall of the open slot is provided with a threaded hole which extends backwards to the back of the display strip; the clamping screw is used for clamping the paper strips in the open slot; and the clamping holes are arranged in a matrix manner so as to be used for the display bars to be pasted at multiple positions. The utility model realizes the sticking of the display strip through the matching of the clamping column and the clamping hole, the sticking installation of the display strip is simple and convenient, no adhesive residue exists, and the display strip does not need to be cleaned; when the content needs to be replaced, only the new paper slip needs to be replaced and corresponding characters need to be written, the trouble of re-manufacturing the paper board is not needed, the display slip can be repeatedly used, and the resource waste is reduced.

Description

Display device for teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a display device is used in teaching.

Background

In teaching, in order to deepen the impression of students and improve the teaching quality. Outside conventional teaching, can carry out some special course settings through some show strips, give birth to through changing and combination show strip, can raise the efficiency than the hand writing, and can deepen the impression more through unique mode. However, the display strip is usually attached by some adhesive tape, so that the replacement is troublesome, and the display strip needs to be cleaned due to the existence of residual adhesive.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a display device is used in teaching can make things convenient for the show strip to paste to establish and take off.

According to the utility model discloses a display device is used in teaching of first aspect embodiment, include: the display board comprises a back board and a rubber board, wherein the rubber board is attached to the front surface of the back board, and the front surface of the rubber board is provided with a plurality of clamping holes; the display strip is made of transparent materials and provided with an open slot into which the paper supply strip is inserted, the back of the display strip is provided with a clamping column matched with the clamping hole, and the display strip is clamped in the clamping hole through the clamping column and is attached to the rubber plate; the rear wall of the open slot is provided with a threaded hole which extends backwards to the back of the display strip; the clamping screw is in threaded connection with the threaded hole, can extend into the open slot and is used for clamping the paper strips in the open slot; and the clamping holes are arranged in a matrix manner so as to be used for the display bars to be pasted at multiple positions.

According to the utility model discloses display device is used in teaching has following technological effect at least: the display strip is attached through the matching of the clamping columns and the clamping holes, the attachment and installation of the display strip are simple and convenient, no residual glue exists, and the display strip does not need to be cleaned; the card mounting holes are arranged in a matrix for the display strips to be attached at multiple positions and can be reasonably arranged according to teaching contents; compare in addition with hard board preparation show strip, the utility model discloses a show strip and paper combination form carry out the content and present, and the paper strip makes things convenient for the preparation, only needs to write corresponding content characters at the plain paper and can use, and the paper strip inserts in the open slot and presss from both sides tightly by the clamp screw, when needs change content, only need more renew the paper strip and write corresponding characters can, need not be as troublesome as the cardboard is makeed again, and show strip reuse, reduce the wasting of resources.

According to some embodiments of the utility model, the backplate front surface is equipped with the locating hole, the rubber slab back is equipped with the reference column, the reference column realizes with the locating hole cooperation that the rubber slab is connected with the location of backplate.

According to some embodiments of the present invention, the back plate is provided with a plurality of pieces and is spliced into a rectangular plate-like structure.

According to some embodiments of the utility model, adjacent backplate concatenation department forms through the concatenation of tenon fourth of the twelve earthly branches structure.

According to some embodiments of the utility model, the card post with clamp hole interference fit.

According to the utility model discloses a some embodiments, the show strip back corresponds the screw hole position is equipped with sunken heavy groove inwards, press from both sides tight screw rod rear end and be equipped with a radial extension's wrong pole, just when pressing from both sides tight screw rod and press from both sides tight note, press from both sides tight screw rod and twist the pole and bury heavy groove.

According to the utility model discloses a some embodiments, the show strip back is equipped with and supplies card post male jack, and two show strips can be through the grafting cooperation of card post and jack and amalgamate in opposite directions.

According to the utility model discloses a few embodiments, the show strip left and right sides is equipped with the mosaic structure that can mutually support to make a plurality of show strips can follow and control the direction concatenation.

According to the utility model discloses a some embodiments, mosaic structure is protruding and set up the splice groove at the opposite side including the concatenation that sets up in show strip one side, and the concatenation on the adjacent show strip is protruding to link to each other with the splice groove can cooperate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention;

fig. 2 is an exploded view of the embodiment of the present invention in an installed state;

fig. 3 is a back structural view of the rubber sheet.

FIG. 4 is a schematic view showing a structure of a combination of a bar and a clamping screw;

FIG. 5 is a schematic view showing the structure of the bar and the clamping screw in an exploded state;

FIG. 6 is a cross-sectional view showing a state where the strip and the clamping screw clamp the paper strip;

fig. 7 is a structural diagram showing the splicing state of the strips.

Reference numerals:

the display strip 100, an open slot 110, a threaded hole 120, a sunken slot 121, a clamping column 130, a splicing slot 140, a splicing bulge 150 and a jack 160;

a clamping screw 200, a screw 210;

a paper strip 300;

the display board 400, the back board 410, the positioning hole 411, the connecting insert 412, the slot 413, the rubber plate 420, the clamping hole 421 and the positioning column 422;

a guide wire 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a display device for teaching according to an embodiment of the present invention includes a display strip 100, a clamping screw 200 and a display board 400.

The display board 400 comprises a back board 410 and a rubber board 420, the rubber board 420 is attached to the front surface of the back board 410, and the front surface of the rubber board 420 is provided with a plurality of clamping holes 421; the display strip 100 is made of a transparent material so that the characters on the paper strip 300 clamped therein can be displayed. The display strip 100 is provided with an open slot 110 for inserting the paper strip 300, the back of the display strip 100 is provided with a clamping column 130 matched with the clamping hole 421, and the display strip 100 is clamped in the clamping hole 421 through the clamping column 130 and is attached to the rubber plate 420; the rear wall of the slot 110 has a threaded hole 120 extending rearwardly to the rear of the display band 100; the clamping screw 200 is in threaded connection with the threaded hole 120 and can extend into the open slot 110, and is used for clamping the paper strip 300 in the open slot 110; and the card-mounting holes 421 are arranged in a matrix for the display strip 100 to be attached at multiple positions. When the blackboard is used, the display board is supported by the support or is attached to the blackboard through other structures such as magnetic attraction and the like.

The display strip 100 is attached through the matching of the clamping column 130 and the clamping hole 421, the attachment and installation of the display strip 100 are simple and convenient, no adhesive residue exists, and the display strip does not need to be cleaned; the card-mounting holes 421 are arranged in a matrix for attaching the display strip 100 at multiple positions, and the positions of the display strip 100 can be reasonably arranged according to teaching contents.

Adopt note 300 as the carrier of characters, note 300 is convenient for making and carrying, it can use only to need to cut into the note with the plain paper and write corresponding content characters, note 300 inserts in open slot 110 and presss from both sides tightly by clamp screw 200, when needs change the content, only need to change new note 300 and write corresponding characters can, do not need to be as troublesome as making the cardboard again, and show 100 reuse, only need a plurality of show 100 just enough to satisfy different teaching content uses, do not need a teaching content just to make one set of hardboard, reduce the wasting of resources.

In addition, most of the traditional display strips are made of thick paper boards integrally, and corresponding characters are written or printed on the thick paper boards for teaching. Therefore, when different contents need to be taught, the display strip needs to be manufactured again, the display strip used before cannot be recycled, time is needed for manufacturing the thick paperboard, and efficiency is low. As shown in fig. 6, the utility model discloses a form that show strip 100 and paper strip 300 make up carries out the content and presents, paper strip 300 makes things convenient for the preparation, only need to write corresponding content characters on ordinary printing paper and can use, paper strip 300 inserts in open slot 110 and presss from both sides tightly by tight screw rod 200, when needs change content, only need to change new paper strip 300 and write corresponding characters can, do not need like make the cardboard so troublesome again, and show strip 100 reuse, only need a plurality of show strip 100 just enough satisfy different teaching content uses, do not need one teaching content just to make one set of hardboard, reduce the wasting of resources. In addition, the display strip 100 also plays a certain protection role in clamping the paper strip 300, ordinary paper is easily torn when being taken or used, and the possibility of damage can be reduced due to the protection of the display strip 100.

In some embodiments of the present invention, the front surface of the back plate 410 is provided with a positioning hole 411, the back surface of the rubber plate 420 is provided with a positioning column 422, and the positioning column 422 cooperates with the positioning hole 411 to realize the positioning connection between the rubber plate 420 and the back plate 410. Because the rubber plate 420 is made of rubber, the positioning column 422 and the positioning hole 411 are in interference fit, so that the rubber plate and the positioning hole can be well positioned, connected and fixed. Of course, an adhesive may be added between the rubber plate 420 and the back plate 410 to improve the connection.

For ease of transportation and handling, the display board 400 is comprised of a number of back panels 410. The back plates 410 are spliced into a rectangular plate-shaped structure. Correspondingly, a plurality of rubber plates 420 are also arranged and correspond to the back plate 410 one by one. The space that occupies when the structure of pin-connected panel can reduce show board 400 transportation can stack together, reduces overall dimension, convenient transportation.

The utility model discloses a further embodiment, adjacent backplate 410 concatenation department forms through the concatenation of tenon fourth of the twelve earthly branches structure. Specifically, as shown in fig. 2, at the splicing position of two adjacent back plates 410, one back plate 410 is provided with a connecting slip 412, and the corresponding position of the other back plate 410 is provided with a slot 413, so that splicing is realized by connecting the slip 412 and the slot 413.

The utility model discloses an in some embodiments, card post 130 with clamp hole 421 interference fit, because rubber slab 420 adopts the rubber material to make, card post 130 can realize better fixed subsides with the interference fit that clamps hole 421 and establish.

In some embodiments of the present invention, the back surface of the display strip 100 is provided with an inwardly concave sinking groove 121 corresponding to the position of the threaded hole 120, the rear end of the clamping screw 200 is provided with a radially extending screw rod 210, and when the clamping screw 200 clamps the paper strip 300, the clamping screw 200 and the screw rod 210 are embedded in the sinking groove 121. The tightening rod 210 is convenient to screw the clamping screw 200, and the sinking groove 121 can hide the tightening rod 210 and the clamping screw 200 to prevent the tightening rod 210 and the clamping screw 200 from protruding out of the back of the display strip 100 and prevent the tightening rod from interfering with the display strip 100 and being stuck to the rubber plate 420.

It will be appreciated that, for the purpose of securing the slip 300, a display strip 100 is provided with a plurality of threaded holes 120 and a plurality of clamping screws 200 correspondingly mounted thereon. As shown in fig. 4 and 5, two corresponding screw holes 120 and two corresponding clamping screws 200 are provided and are located on the left and right sides of the back surface of the display strip 100 to clamp two ends of the paper strip.

In a further embodiment of the present invention, the back of the display strip 100 is provided with a jack 160 for inserting the clip column 130, and the two display strips 100 can be assembled in opposite directions by the insertion fit of the clip column 130 and the jack 160. The display strips 100 are typically stacked when not in use, but the display strips 100 interfere with and are not stacked due to the jamming of the posts 130. The corresponding mating of the posts 130 and receptacles 160 allows the two display strips 100 to be easily assembled together for stacking. As shown in fig. 4 and 5, two fastening columns 130 and two insertion holes 160 are provided on the same display strip 100, and the positions of the insertion holes 160 and the fastening columns 130 are symmetrical, so that the fastening columns 130 and the insertion holes 160 on the two display strips 100 can be correspondingly inserted. As shown in fig. 1, the fastening holes 421 on the display board 400 are disposed corresponding to the fastening posts 130 of the two display strips 100, and in practical teaching, some guide lines 500 may be used, which are attached to the rubber plate 420 for teaching by using guide lines 500 with adhesive, or magnetic materials are doped in the guide lines 500, the back plate 410 or the rubber plate 420 is embedded into a corresponding magnetic structure, and the guide lines 500 are attached to the rubber plate 420 by magnetism.

In some embodiments of the present invention, the upper side and the left and right sides of the open slot 110 are both open, so that the slip 300 can be inserted into the open slot 110 from above and then clamped after being supported by the bottom of the open slot 110; the left and right openings allow a long strip of paper 300 to be inserted into both display strips 100. Of course, the paper strips 300 may be cut and placed in the corresponding display strips 100.

As shown in fig. 4 and 7, in some embodiments of the present invention, the left and right sides of the display strip 100 are provided with splicing structures capable of being matched with each other, so that the display strips 100 can be spliced along the left and right directions, and thus, a longer display strip can be spliced to be placed in the insertion of a corresponding long paper strip. Specifically, the splicing structure includes a splicing protrusion 150 disposed on one side (left side in fig. 4) of the display strip 100 and a splicing groove 140 disposed on the other side (right side in fig. 4), and the splicing protrusion 150 is connected to the splicing groove 140 in a matching manner, so as to splice the display strip 100.

The utility model discloses a further embodiment, the cross-section of concatenation arch 150 and splice groove 140 is the dovetail type, and the spacing connection of realization that the dovetail type groove can be better for two adjacent show strips 100 concatenations are more firm.

In a further embodiment of the present invention, the splicing groove 140 extends downward from the upper end surface of the display strip 100, and the bottom of the splicing groove 140 is spaced from the bottom of the display strip 100; correspondingly, the splicing protrusion 150 also extends downward from the upper end of the display strip 100, and the bottom of the splicing protrusion is spaced from the bottom of the display strip 100 by the same distance as the bottom of the splicing groove 140 is spaced from the bottom of the display strip 100. The splicing groove 140 is not an opening, after the splicing protrusion 150 is inserted into the splicing groove 140, the inserting stroke of the splicing protrusion 150 can be limited by the bottom of the splicing protrusion 150, certain support can be carried out on the splicing protrusion 150, the display strip 100 can be spliced more conveniently, the splicing protrusion 150 is inserted to abut against the bottom of the splicing groove 140, and the splicing is in place without human eye judgment and alignment.

In a further embodiment of the present invention, the display strip 100 is made of transparent plastic, such as transparent PVC or transparent PC.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like 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 invention. 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A display device for teaching, characterized by comprising:

the display board (400) comprises a back board (410) and a rubber board (420), wherein the rubber board (420) is attached to the front surface of the back board (410), and the front surface of the rubber board (420) is provided with a plurality of clamping holes (421);

the display strip (100) is made of transparent materials, is provided with an open slot (110) for inserting the paper strip (300), the back surface of the display strip is provided with a clamping column (130) matched with the clamping hole (421), and the display strip is clamped in the clamping hole (421) through the clamping column (130) and is attached to the rubber plate (420); the rear wall of the open slot (110) is provided with a threaded hole (120) extending backwards to the back of the display strip (100);

the clamping screw rod (200) is in threaded connection with the threaded hole (120), can extend into the open slot (110), and is used for clamping the paper strips (300) in the open slot (110);

and the clamping holes (421) are arranged in a matrix for the display bar (100) to be attached at multiple positions.

2. A display device for teaching as claimed in claim 1, wherein: the front surface of the back plate (410) is provided with a positioning hole (411), the back surface of the rubber plate (420) is provided with a positioning column (422), and the positioning column (422) is matched with the positioning hole (411) to realize the positioning connection of the rubber plate (420) and the back plate (410).

3. A display device for teaching as claimed in claim 1, wherein: the back plate (410) is provided with a plurality of back plates which are spliced into a rectangular plate-shaped structure.

4. A display device for teaching as claimed in claim 3, wherein: the splicing parts of the adjacent back plates (410) are spliced by tenon-and-mortise structures.

5. A display device for teaching as claimed in claim 1, wherein: the clamping column (130) is in interference fit with the clamping hole (421).

6. A display device for teaching as claimed in claim 1, wherein: show strip (100) back corresponds screw hole (120) position is equipped with sunken heavy groove (121) of undercut, press from both sides tight screw rod (200) rear end and be equipped with one and radially extend wrong pole (210), just when pressing from both sides tight screw rod (200) and press from both sides tight note (300), press from both sides tight screw rod (200) and twist pole (210) and bury heavy groove (121).

7. A display device for teaching as claimed in claim 1, wherein: the back of the display strip (100) is provided with an insertion hole (160) into which the clamping column (130) can be inserted, and the two display strips (100) can be oppositely spliced through the insertion fit of the clamping column (130) and the insertion hole (160).

8. A display device for teaching as claimed in claim 1, wherein: the left side and the right side of the display strip (100) are provided with splicing structures which can be matched with each other, so that the display strips (100) can be spliced in the left and right directions.

9. A display device for teaching as claimed in claim 8, wherein: the splicing structure comprises splicing protrusions (150) arranged on one side of the display strip (100) and splicing grooves (140) arranged on the other side, and the splicing protrusions (150) on the adjacent display strips (100) can be connected with the splicing grooves (140) in a matched mode.

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