CN214897121U - High-position Chinese teaching sample display teaching device - Google Patents

High-position Chinese teaching sample display teaching device Download PDF

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Publication number
CN214897121U
CN214897121U CN202121335563.8U CN202121335563U CN214897121U CN 214897121 U CN214897121 U CN 214897121U CN 202121335563 U CN202121335563 U CN 202121335563U CN 214897121 U CN214897121 U CN 214897121U
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China
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fixed
groove
sample
fan
rod
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Chinese (zh)
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潘梦鹄
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Zhaotong Health Vocational College
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Zhaotong Health Vocational College
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Abstract

The utility model provides a high-position Chinese teaching sample show teaching device, which belongs to the technical field of teaching aids, and comprises a base, a supporting rod sleeve is fixed at the upper end of the base, an inserting rod is movably inserted at the upper end of the supporting rod sleeve, a plurality of clamping holes which are uniformly distributed are arranged at the left end and the right end of the supporting rod sleeve, a set of buckle mechanisms are arranged at the left side and the right side in the supporting rod sleeve, the buckle mechanisms are connected with the inserting rod to fix the inserting rod in the supporting rod sleeve, a round table is fixed at the upper end of the inserting rod, a display platform is arranged at the upper side of the round table, a driving groove is formed in the display platform, the upper end of the round table is rotatably connected with a rotating rod, and the rotating rod penetrates through the upper inner wall of the driving groove and is rotatably connected with the lower inner wall of the driving groove; this device makes the sample be convenient for place on the show stand, and fixed stable, is difficult for rocking, through can the over-rotation and height-adjusting for the display degree of sample is more comprehensive, and the effect is better, thereby makes the teacher effect better in the teaching.

Description

High-position Chinese teaching sample display teaching device
Technical Field
The utility model belongs to the technical field of teaching aid, concretely relates to professorship chinese teaching sample show teaching device.
Background
When carrying out the professorship language literary education, need combine the teaching sample to demonstrate the teaching sometimes, the student can enlarge the student field of vision through the direct observation sample, and the content of mr's teaching is understood to the study and the academic conference of more directly perceived three-dimensional.
At present, when the professorship language and literature teaching, generally put the sample on the lectern, demonstrate, do not have a show stand to place the sample for the student is not comprehensive when observing the sample, and the vision presentation effect is not good enough, thereby makes teaching quality greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a professorship chinese teaching sample show teaching device, aim at solving among the prior art when the professorship language and literature teaching, generally all put the sample on the lectern, demonstrate, do not have a show stand to place the sample for the student is not comprehensive when observing the sample, and the vision presents the effect and is not good enough, thereby makes teaching quality greatly reduced's problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-position Chinese teaching sample display teaching device comprises a base, wherein a supporting rod sleeve is fixed at the upper end of the base, an inserting rod is movably inserted into the upper end of the supporting rod sleeve, a plurality of clamping holes which are uniformly distributed are formed in the left end and the right end of the supporting rod sleeve, a group of buckling mechanisms are arranged on the left side and the right side in the supporting rod sleeve respectively, the buckling mechanisms and the inserting rod are connected to fix the inserting rod in the supporting rod sleeve, a round table is fixed at the upper end of the inserting rod, a display platform is arranged on the upper side of the round table, a driving groove is formed in the display platform, a rotating rod is rotatably connected to the upper end of the round table, penetrates through the upper inner wall of the driving groove and is rotatably connected to the lower inner wall of the driving groove, a display platform is fixed at the upper end of the rotating rod, a driving mechanism is arranged in the driving groove, and is connected with the rotating rod to realize rotation of the rotating rod, the upside of round platform is equipped with stabilizing mean, the standing groove has been seted up to the upper end of show stand, the lower inner wall edge sliding connection of standing groove has four fan-shaped splint, four the outside of fan-shaped splint all is equipped with a set of telescopic machanism, four groups telescopic machanism respectively with four fan-shaped splint between be connected in order to realize that every fan-shaped splint slides to the center of standing groove. Aim at solving among the prior art when the professorship literary education, generally all put the sample on the lectern, demonstrate, do not have a show stand to place the sample for the student is not comprehensive when observing the sample, and the vision presentation effect is not good enough, thereby makes teaching quality greatly reduced's problem. Aim at solving among the prior art when the professorship literary education, generally all put the sample on the lectern, demonstrate, do not have a show stand to place the sample for the student is not comprehensive when observing the sample, and the vision presentation effect is not good enough, thereby makes teaching quality greatly reduced's problem.
As a preferred scheme, every group telescopic machanism all includes fixed slot, first spring and pull rod, the left inner wall of standing groove is seted up to the fixed slot, it is fixed between pull rod and the fan-shaped splint, the pull rod is located the fixed slot, and the left end of pull rod runs through the left end of show stand and outwards extends, the left end of pull rod is fixed with changes the handle, first spring is fixed in the left inner wall of fixed slot, and fixes between the right-hand member of first spring and the fan-shaped splint, the circumferential surface of pull rod is located to first spring housing.
As a preferred scheme, actuating mechanism includes electric motor, action wheel, pivot and follows the driving wheel, electric motor is fixed in the upper end of round platform, the pivot is rotated and is connected between the upper and lower inner wall in drive groove, and the upper end of pivot run through the round platform the upper end and with electric motor's output shaft between fixed, the action wheel is fixed in the circumferential surface that is located the pivot in the drive groove, the action wheel meshes mutually between the follow driving wheel, be fixed in the circumferential surface that is located the bull stick in the drive groove from the driving wheel.
As an optimal scheme of the utility model, stabilizing mean includes cyclic annular T shape slider and cyclic annular T shape spout, cyclic annular T shape slider is fixed in the lower extreme of show stand, the upper end of round platform is seted up to cyclic annular T shape spout, phase-match between cyclic annular T shape slider and the cyclic annular T shape spout, cyclic annular T shape slider sliding connection is in cyclic annular T shape spout.
As a preferred scheme, every group buckle mechanism all includes draw-in groove and fixture block, the draw-in groove is seted up in the left end that is located the inserted bar in the bracing piece cover, the right inner wall of draw-in groove is fixed with the second spring, the left end of second spring is fixed with the slide, slide sliding connection is in the draw-in groove, the fixture block is fixed in the left end of slide, and the fixture block activity is pegged graft in the card is downthehole.
As an optimized scheme, the circumferential surface upper portion of inserted bar is fixed with four diagonal braces, and the upper end of four diagonal braces all is fixed with the lower extreme edge of round platform.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the scheme, the sample can be placed in the placing groove through the placing groove, the sample is not prone to falling, the sample is safer to display, the four fan-shaped clamping plates clamp the sample from four directions through the four sets of telescopic mechanisms and the four fan-shaped clamping plates, the elasticity of the first springs in the telescopic mechanisms enables the four fan-shaped clamping plates to enable the sample not to shake easily during display, the display effect is better, when the sample needs to be taken out, the four pull rods move outwards through pulling the four handles, the four fan-shaped clamping plates are separated from the sample, and the sample is not prone to being damaged when the sample is taken out; through the arranged driving mechanism, when the electric motor is started, the output shaft of the electric motor drives the rotating shaft to rotate, the rotating shaft drives the driving wheel to rotate, the driving wheel drives the driven wheel meshed with the driving wheel to rotate, the driven wheel drives the rotating rod to rotate, and the rotating rod drives the display platform to rotate, so that a sample in the placing groove can rotate, the sample can be displayed in multiple aspects, teachers can conveniently explain the sample when teaching, and the sample displaying effect is better; through the arranged stabilizing mechanism, when the display platform rotates, the annular T-shaped sliding block fixed at the lower end slides in the annular T-shaped sliding groove, so that the display platform is more stable and is not easy to incline when rotating; through the buckle mechanism that is equipped with, make this device be convenient for height-adjusting, through two fixture blocks of inside extrusion, make two slides of two fixture block extrusions be close to the end and remove to mutually, thereby extrude two second springs, make the second spring compressed, stimulate the inserted bar this moment, make two fixture blocks lie in the bracing piece cover and slide from top to bottom, adjust the height of inserted bar according to actual conditions, and make two fixture blocks corresponding with the position of two of them card holes, and through the elasticity of two second springs self, make two fixture block card income two card downtheholes, thereby make the inserted bar be fixed in the bracing piece cover, this device makes the sample be convenient for place on the show stand, and fixed stable, be difficult for rocking, through can the over-rotation and height-adjusting, make the display degree of sample more comprehensive, the effect is better, thereby make the teacher's effect better in the teaching.
2. Through being equipped with four diagonal brace in this scheme for the round platform is fixed in the upper end of inserted bar and follows more stably, is difficult for rocking.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;
fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.
In the figure: 1-a base; 2-clamping blocks; 3-clamping the hole; 4-supporting rod sleeve; 5-inserting a rod; 6-diagonal brace rods; 7-a circular truncated cone; 8-a pull rod; 9-a display stand; 10-sector splint; 11-placing a groove; 12-an annular T-shaped slider; 13-a rotating shaft; 14-a driving wheel; 15-an electric motor; 16-a drive slot; 17-a rotating rod; 18-a driven wheel; 19-annular T-shaped chute; 20-a fixed groove; 21-a first spring; 22-a slide plate; 23-a card slot; 24-second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions:
a high-position Chinese teaching sample display teaching device comprises a base 1, a supporting rod sleeve 4 is fixed at the upper end of the base 1, an inserting rod 5 is movably inserted at the upper end of the supporting rod sleeve 4, a plurality of clamping holes 3 which are uniformly distributed are formed in the left end and the right end of the supporting rod sleeve 4, a group of buckle mechanisms are arranged on the left side and the right side in the supporting rod sleeve 4, the buckle mechanisms are connected with the inserting rod 5 to fix the inserting rod 5 in the supporting rod sleeve 4, a circular table 7 is fixed at the upper end of the inserting rod 5, a display platform 9 is arranged on the upper side of the circular table 7, a driving groove 16 is formed in the display platform 9, a rotating rod 17 is rotatably connected at the upper end of the circular table 7, the rotating rod 17 penetrates through the upper inner wall of the driving groove 16 and is rotatably connected with the lower inner wall of the driving groove 16, the display platform 9 is fixed at the upper end of the rotating rod 17, a driving mechanism is arranged in the driving groove 16, and is connected with the rotating rod 17 to realize the rotation of the rotating rod 17, the upside of round platform 7 is equipped with stabilizing mean, and standing groove 11 has been seted up to the upper end of show stand 9, and the lower inner wall edge sliding connection of standing groove 11 has four fan-shaped splint 10, and the outside of four fan-shaped splint 10 all is equipped with a set of telescopic machanism, and four groups of telescopic machanism respectively with four fan-shaped splint 10 between be connected in order to realize that every fan-shaped splint 10 slides to the center of standing groove 11.
In the specific embodiment of the utility model, the base 1 plays a role of supporting the supporting rod sleeve 4 in the device, through the arrangement groove 11, the sample can be placed in the arrangement groove 11, and is not easy to drop, so that the sample is safer when being displayed, through the four groups of telescoping mechanisms and the four fan-shaped clamping plates 10, through the elasticity of the first spring 21 in the telescoping mechanisms, the four fan-shaped clamping plates 10 clamp the sample from four directions, so that the sample is not easy to shake when being displayed, the display effect is better, when the sample needs to be taken out, the four pull rods 8 are moved outwards by pulling the four handles, so that the four fan-shaped clamping plates 10 are separated from the sample, and the sample is not easy to be damaged when being taken out; through the driving mechanism, when the electric motor 15 is started, the electric motor 15 can select different models according to actual needs, for example, the model is selected to be BMR20-2AD, the electric motor 15 is electrically connected with an external power supply, for those skilled in the art, the electric motor 15 is the prior art, and not described in detail, the output shaft thereof drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the driving wheel 14 to rotate, the driving wheel 14 drives the driven wheel 18 engaged therewith to rotate, the driven wheel 18 drives the rotating rod 17 to rotate, the rotating rod 17 drives the display platform 9 to rotate, so that the sample located in the placing groove 11 can rotate, the sample can be displayed in multiple aspects, a teacher can conveniently explain the sample during teaching, the sample displaying effect is better, through the stabilizing mechanism, when the display platform 9 rotates, the annular T-shaped sliding block 12 fixed at the lower end thereof slides in the annular T-shaped sliding groove 19, the display platform 9 is more stable and not easy to incline when rotating, the height of the device can be conveniently adjusted by the arranged buckle mechanism, the two fixture blocks 2 can extrude the two sliding plates 22 to move towards the close ends by pushing the two fixture blocks 2, so as to extrude the two second springs 24, so as to compress the second springs 24, the inserting rod 5 is pulled, so that the two fixture blocks 2 are positioned in the support rod sleeve 4 to slide, the height of the inserting rod 5 is adjusted according to the actual situation, the two fixture blocks 2 correspond to the positions of the two clamping holes 3, the two fixture blocks 2 are clamped into the two clamping holes 3 by the elasticity of the two second springs 24, so that the inserting rod 5 is fixed in the support rod sleeve 4, the device can conveniently place a sample on the display platform 9, is stable and not easy to shake, and the display degree of the sample is more comprehensive by the over-rotation and height adjustment, the effect is better to make the teacher effect better when teaching, through four handles of pulling, make four 8 outside lateral shifting of pull rods, thereby make four fan-shaped splint 10 break away from the sample, when making the sample take out, be difficult for causing the damage to the sample.
Referring to fig. 3 specifically, each set of telescoping mechanism includes a fixing groove 20, a first spring 21 and a pull rod 8, the fixing groove 20 is opened on the left inner wall of the placement groove 11, the pull rod 8 and the fan-shaped clamping plate 10 are fixed to each other, the pull rod 8 is located in the fixing groove 20, the left end of the pull rod 8 penetrates through the left end of the display stand 9 and extends outwards, the left end of the pull rod 8 is fixed with a rotating handle, the first spring 21 is fixed on the left inner wall of the fixing groove 20, the right end of the first spring 21 is fixed to the fan-shaped clamping plate 10, and the circumferential surface of the pull rod 8 is sleeved with the first spring 21.
In this embodiment: this device is through four sets of telescopic machanisms and four fan-shaped splint 10 that are equipped with, through the elasticity of first spring 21 self among the telescopic machanism for four fan-shaped splint 10 are followed four directions and are held the sample, make the sample difficult for rocking when the show, and the bandwagon effect is better, when the sample need take out.
Specifically referring to fig. 2, the driving mechanism includes an electric motor 15, a driving wheel 14, a rotating shaft 13 and a driven wheel 18, the electric motor 15 is fixed on the upper end of the circular truncated cone 7, the rotating shaft 13 is rotatably connected between the upper and lower inner walls of the driving groove 16, the upper end of the rotating shaft 13 penetrates through the upper end of the circular truncated cone 7 and is fixed with the output shaft of the electric motor 15, the driving wheel 14 is fixed on the circumferential surface of the rotating shaft 13 located in the driving groove 16, the driving wheel 14 is engaged with the driven wheel 18, and the driven wheel 18 is fixed on the circumferential surface of a rotating rod 17 located in the driving groove 16.
In this embodiment: this device is through the actuating mechanism who is equipped with, when electric motor 15 starts, drive pivot 13 through its output shaft and rotate, pivot 13 drives action wheel 14 and rotates, action wheel 14 drives and rotates rather than the driven wheel 18 of meshing, it rotates to drive bull stick 17 from wheel 18, bull stick 17 drives show stand 9 and rotates, thereby make the sample that is located standing groove 11 can rotate, make the sample can carry out the show of a plurality of aspects, make the teacher when teaching, be more convenient for explain the sample, make sample bandwagon effect better.
Specifically, referring to fig. 2, the stabilizing mechanism includes an annular T-shaped sliding block 12 and an annular T-shaped sliding slot 19, the annular T-shaped sliding block 12 is fixed at the lower end of the display stand 9, the annular T-shaped sliding slot 19 is formed at the upper end of the circular table 7, the annular T-shaped sliding block 12 is matched with the annular T-shaped sliding slot 19, and the annular T-shaped sliding block 12 is slidably connected in the annular T-shaped sliding slot 19.
In this embodiment: this device is through the stabilizing mean who is equipped with for when show stand 9 rotates, the fixed cyclic annular T shape slider 12 of its lower extreme slides in cyclic annular T shape spout 19, and it is more stable when making show stand 9 rotate, difficult slope.
Referring to fig. 4, each group of fastening mechanisms includes a fastening groove 23 and a fastening block 2, the fastening groove 23 is disposed at the left end of the inserting rod 5 located in the supporting rod sleeve 4, a second spring 24 is fixed on the right inner wall of the fastening groove 23, a sliding plate 22 is fixed at the left end of the second spring 24, the sliding plate 22 is slidably connected in the fastening groove 23, the fastening block 2 is fixed at the left end of the sliding plate 22, and the fastening block 2 is movably inserted in the fastening hole 3.
In this embodiment: this device is through the buckle mechanism that is equipped with, make this device be convenient for height-adjusting, through promoting two fixture blocks 2, make two slide 22 of two fixture block 2 extrusion move to being close to the end mutually, thereby extrude two second springs 24, make second spring 24 compressed, stimulate inserted bar 5 this moment, make two fixture blocks 2 be located the bracing piece cover 4 and slide, adjust the height of inserted bar 5 according to actual conditions, and make two fixture blocks 2 corresponding with the position of two card holes 3 among them, and elasticity through two second springs 24 self, make two fixture block 2 cards go into in two card holes 3, thereby make inserted bar 5 be fixed in bracing piece cover 4.
Specifically, referring to fig. 1, four diagonal braces 6 are fixed on the upper portion of the circumferential surface of the inserting rod 5, and the upper ends of the four diagonal braces 6 are fixed on the lower edge of the circular truncated cone 7.
In this embodiment: this device is through being equipped with four diagonal brace 6 for the upper end that round platform 7 is fixed in inserted bar 5 is with more stable, is difficult for rocking.
The utility model discloses a theory of operation and use flow: when the device is used, a sample can be placed in the placing groove 11, the four fan-shaped clamping plates 10 can clamp the sample from four directions through the elasticity of the first spring 21 in the telescopic mechanism, at the moment, when the electric motor 15 is started, the output shaft of the electric motor drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the driving wheel 14 to rotate, the driving wheel 14 drives the driven wheel 18 engaged with the driving wheel to rotate, the driven wheel 18 drives the rotating rod 17 to rotate, the rotating rod 17 drives the display platform 9 to rotate, so that the sample in the placing groove 11 can rotate, the two clamping blocks 2 extrude the two sliding plates 22 to move towards the close ends by inwards extruding the two clamping blocks 2, so that the two second springs 24 are extruded, the second springs 24 are compressed, the inserting rod 5 is pulled at the moment, the two clamping blocks 2 are positioned in the supporting rod sleeve 4 to slide up and down, the height of the inserting rod 5 is adjusted according to actual conditions, and make two fixture blocks 2 corresponding with the position of two card holes 3 wherein, and elasticity through two second springs 24 self, make two fixture block 2 card go into in two card holes 3, thereby make in inserted bar 5 is fixed in the bracing piece cover 4, this device makes the sample be convenient for place on show stand 9, and fixed stable, be difficult for rocking, through can the overrotation and height-adjusting, make the display degree of sample more comprehensive, the effect is better, thereby make the teacher's effect better when imparting knowledge to students.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a professorship chinese teaching sample show teaching device, includes base (1), its characterized in that: a supporting rod sleeve (4) is fixed at the upper end of the base (1), an inserting rod (5) is movably inserted into the upper end of the supporting rod sleeve (4), a plurality of clamping holes (3) which are uniformly distributed are formed in the left end and the right end of the supporting rod sleeve (4), a set of buckle mechanisms are arranged on the left side and the right side in the supporting rod sleeve (4), the buckle mechanisms are connected with the inserting rod (5) to fix the inserting rod (5) in the supporting rod sleeve (4), a round table (7) is fixed at the upper end of the inserting rod (5), a display table (9) is arranged on the upper side of the round table (7), a driving groove (16) is formed in the display table (9), a rotating rod (17) is rotatably connected to the upper inner wall of the driving groove (16) in a penetrating manner and is rotatably connected to the lower inner wall of the driving groove (16), and a display table (9) is fixed at the upper end of the rotating rod (17), be equipped with actuating mechanism in drive slot (16), actuating mechanism is connected in order to realize that bull stick (17) rotate with bull stick (17), the upside of round platform (7) is equipped with stabilizing mean, standing groove (11) have been seted up to the upper end of show stand (9), the lower inner wall edge sliding connection of standing groove (11) has four fan-shaped splint (10), four the outside of fan-shaped splint (10) all is equipped with a set of telescopic machanism, four groups telescopic machanism respectively with four fan-shaped splint (10) between be connected in order to realize that every fan-shaped splint (10) slides to the center of standing groove (11).
2. The apparatus of claim 1, wherein the apparatus comprises: every group telescopic machanism all includes fixed slot (20), first spring (21) and pull rod (8), the left inner wall in standing groove (11) is seted up in fixed slot (20), it is fixed between pull rod (8) and fan-shaped splint (10), pull rod (8) are located fixed slot (20), and the left end of pull rod (8) runs through the left end of show stand (9) and outwards extend, the left end of pull rod (8) is fixed with the commentaries on classics handle, first spring (21) are fixed in the left inner wall of fixed slot (20), and are fixed between the right-hand member of first spring (21) and fan-shaped splint (10), the circumference surface of pull rod (8) is located in first spring (21) cover.
3. The apparatus of claim 2, wherein the apparatus comprises: drive mechanism includes electric motor (15), action wheel (14), pivot (13) and follows driving wheel (18), electric motor (15) are fixed in the upper end of round platform (7), pivot (13) rotate to be connected between the upper and lower inner wall of drive slot (16), and the upper end of pivot (13) run through the upper end of round platform (7) and fixed with between the output shaft of electric motor (15), action wheel (14) are fixed in the circumferential surface of pivot (13) that is located drive slot (16), mesh mutually between action wheel (14) and the follow driving wheel (18), follow driving wheel (18) and be fixed in the circumferential surface that is located bull stick (17) in drive slot (16).
4. The apparatus of claim 3, wherein the apparatus comprises: stabilizing mean includes cyclic annular T shape slider (12) and cyclic annular T shape spout (19), the lower extreme of show stand (9) is fixed in cyclic annular T shape slider (12), the upper end of round platform (7) is seted up in cyclic annular T shape spout (19), phase-match between cyclic annular T shape slider (12) and cyclic annular T shape spout (19), cyclic annular T shape slider (12) sliding connection is in cyclic annular T shape spout (19).
5. The apparatus of claim 4, wherein the apparatus comprises: every group buckle mechanism all includes draw-in groove (23) and fixture block (2), draw-in groove (23) are seted up and are located the left end of inserted bar (5) in bracing piece cover (4), the right inner wall of draw-in groove (23) is fixed with second spring (24), the left end of second spring (24) is fixed with slide (22), slide (22) sliding connection is in draw-in groove (23), fixture block (2) are fixed in the left end of slide (22), and fixture block (2) activity is pegged graft in calorie hole (3).
6. The apparatus of claim 5, wherein the apparatus comprises: four inclined supporting rods (6) are fixed to the upper portion of the circumferential surface of the inserting rod (5), and the upper ends of the four inclined supporting rods (6) are fixed to the edge of the lower end of the circular truncated cone (7).
CN202121335563.8U 2021-06-16 2021-06-16 High-position Chinese teaching sample display teaching device Active CN214897121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121335563.8U CN214897121U (en) 2021-06-16 2021-06-16 High-position Chinese teaching sample display teaching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121335563.8U CN214897121U (en) 2021-06-16 2021-06-16 High-position Chinese teaching sample display teaching device

Publications (1)

Publication Number Publication Date
CN214897121U true CN214897121U (en) 2021-11-26

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CN202121335563.8U Active CN214897121U (en) 2021-06-16 2021-06-16 High-position Chinese teaching sample display teaching device

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CN (1) CN214897121U (en)

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