CN211092412U - Multi-functional chinese teaching auxiliary device of giving lessons - Google Patents

Abstract

The utility model provides a multi-functional chinese teaching auxiliary device of giving lessons, including pull ring, push rod, remove the base, take the brake block universal wheel, hang and detain, garbage bin, fixing base, bung, clearance door, fastening bolt supports the lining seat, and the auxiliary projection is received the draw cloth structure, and the board writing presss from both sides the dress and can write the plate structure, enlargies and writes fixed rear plate structure, but the high regulation lifter structure presss from both sides the dress electronic product frame with adjustable adaptability, the pull ring welding in the upper end of push rod. The utility model discloses projection granny rag, granny rag storage wheel, center pin, vertical liner, the setting of counter weight U type pull ring and disc spring is favorable to increasing projection auxiliary teaching function, is convenient for accomodate projection granny rag simultaneously, is convenient for operate; write the setting of back plate and hemisphere magnet piece, be favorable to increasing to write the teaching function, still increase the test paper fixed function simultaneously to make the teaching function abundanter.

Description

Multi-functional chinese teaching auxiliary device of giving lessons

Technical Field

The utility model belongs to the technical field of teaching auxiliary tool, especially, relate to a multi-functional chinese teaching auxiliary device of giving lessons.

Background

At present, in the Chinese teaching process, a Chinese teacher needs to hold a Chinese textbook for a long time to explain and read aloud, so that the working difficulty of the teacher is increased, muscle soreness is easily caused, and unnecessary influences are brought to the physical and mental health of the teacher. In addition, in the existing Chinese teaching process, especially in the low-grade Chinese teaching process, in order to write standard Chinese characters and demonstrate the standard Chinese characters for students to study, a Chinese teacher usually draws a large number of field character lattices on a blackboard so as to write the Chinese characters in the field character lattices, but the drawing of the field character lattices takes a large amount of time of the Chinese teacher, and the classroom teaching efficiency is seriously influenced.

The Chinese patent publication No. CN107951173A discloses a mobile teaching device for Chinese teaching, which comprises a hollow rectangular box body, wherein a first hydraulic pump, a second hydraulic pump, a hydraulic oil tank and a lithium battery pack are arranged in the hollow rectangular box body, a support plate is arranged at the upper part of the rear side surface of the hollow rectangular box body, a locking universal wheel is arranged on the lower surface of the hollow rectangular box body, a lifting cabin is arranged on the front side surface of the hollow rectangular box body, a second hydraulic telescopic rod is arranged on the upper surface of the inner part of the lifting cabin, the lower end surface of the second hydraulic telescopic rod penetrates through the lower surface of the lifting cabin and is connected with a circular support plate, a first hydraulic telescopic rod is arranged on the lower surface of the inner part of the lifting cabin, the upper end surface of the first hydraulic telescopic rod penetrates through the upper surface of the lifting cabin and is connected with a lifting platform, the number of the first hydraulic telescopic rods and the second hydraulic telescopic rods is two, and the, the outer side surface middle part of first telescopic link is equipped with first positioning bolt, the outer side surface lower part of first telescopic link links to each other with the upper surface of backup pad through the second support floor, the up end of first telescopic link is equipped with the layer board, the upper surface of layer board is equipped with anti-skidding frame, the upper surface left side of layer board is connected with the slope through the hinge rotation and places the board, the front flank left end that the board was placed in the slope is equipped with the book end, the slope is placed and is equipped with the second telescopic link between the rear side of board and the upper surface of layer board, the outer side surface middle part of second telescopic link is equipped with second positioning bolt, the up end of second telescopic link is placed the rear side rotation of board through hinge and slope and is connected, the lower terminal surface of second telescopic link is connected with the upper surface rotation of layer board through the hinge, the upper surface right side of layer board is equipped with control switch group and storage tank, the input of control switch group is connected with the output electricity.

The Chinese patent publication No. CN203538788U is entitled auxiliary device for Chinese teaching, which comprises a movable base, a support rod, a supporting plate and a teaching plate, wherein the support rod is vertically arranged on the movable base with universal wheels at the bottom, a positioning block is arranged on the support rod, the support rod passes through the positioning block and is in sliding connection with the positioning block, a height positioning button is arranged on the positioning block, a support frame is arranged on the left side of the positioning block, the upper end of the support frame is provided with the supporting plate, the middle position of the back of the supporting plate is hinged with the support frame, an angle positioning button is arranged at the hinged position of the supporting plate and the support frame, a protrusion is arranged on the left side of the supporting plate, two elastic fixing bands; still be provided with rotatory ring on the bracing piece, rotatory ring is located locating piece upper portion, and rotatory ring rotates through round pin axle I and is connected with the connecting rod, and the connecting rod other end rotates through round pin axle II and is connected with the teaching board, the teaching board includes sheet frame, laser lamp and shift knob, is provided with the laser lamp that a plurality of interval equals at the left side top-down of sheet frame, also is provided with the laser lamp that a plurality of interval equals from left and right at the upside of sheet frame, the interval of the laser lamp that top-down arranged equals with the interval of the laser lamp of arranging from left and right, the sheet frame lower right corner still is provided with a shift knob that control laser lamp opened and shut, the bracing piece top is provided with the telescopic link.

But current chinese teaching auxiliary device of giving lessons still exists because the teacher is holding books for a long time and is tired easily, can't carry out height adjusting device's position according to the teacher of different heights, can't press from both sides dress intelligent electronic product and teach, does not possess projection auxiliary function and lacks the problem of enlargeing the clipboard structure.

Therefore, it is necessary to provide a multifunctional auxiliary device for teaching and teaching Chinese language.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a multi-functional chinese teaching auxiliary device of giving lessons to solve current chinese teaching auxiliary device of giving lessons and having because the teacher is holding books for a long time and tired easily, can't carry out height adjusting device's position according to the teacher of different heights, can't press from both sides dress intelligent electronic product and impart knowledge to students, do not possess projection auxiliary function and lack the problem of enlargeing the clipboard structure. A multifunctional Chinese teaching auxiliary device comprises a pull ring, a push rod, a movable base, a universal wheel with a brake pad, a hanging buckle, a garbage can, a fixed seat, a can cover, a cleaning door, a fastening bolt, a supporting lining seat, an auxiliary projection cloth collecting and pulling structure, a writing board clamping and writing board structure, an amplifying writing fixed rear board structure, a height adjustable lifting rod structure and an adjustable adaptive clamping and electronic product frame, wherein the pull ring is welded at the upper end of the push rod; the longitudinal lower end of the push rod is mounted on the right upper side of the movable base through a bolt; the universal wheels with the brake pads are respectively installed at the four corners of the bottom of the movable base through bolts; the hanging buckle transverse screw is connected to the middle position of the front surface of the movable base; the longitudinal bottom of the garbage can is mounted in the middle of the front part of the upper right side of the movable base through a bolt; the fixing seat is longitudinally screwed on the right upper side of the garbage can; the right end of the barrel cover is coupled to the middle position of the upper part of the inner side of the fixed seat in a shaft manner; the cleaning door is longitudinally arranged at a cleaning opening in the middle of the left side of the garbage can through a fastening bolt; the auxiliary projection cloth folding and spreading structure is arranged on the upper part of the front surface of the writing board structure of the blackboard writing clip; the writing board structure of the blackboard writing clip is arranged in the middle position of the rear part of the enlarged writing fixed rear board structure; the supporting lining seat is transversely arranged at the bottom of the writing board structure of the blackboard writing clip; one longitudinal end of the height-adjustable lifting rod structure is arranged in the middle of the lower part of the support lining seat, and the other longitudinal end of the height-adjustable lifting rod structure is arranged in the middle of the upper part of the movable base; the adjustable adaptive clamping electronic product frame is arranged in the middle position of the lower right side of the height adjustable lifting rod structure; the auxiliary projection cloth-receiving structure comprises projection cloth-pulling, a cloth-pulling receiving wheel, a central shaft, a longitudinal lining seat, a counterweight U-shaped pull ring and a belleville spring, wherein the projection cloth-pulling is wound in the middle of the outer wall of the cloth-pulling receiving wheel; the central shaft is transversely inserted in the middle of the inner side of the cloth spreading and receiving wheel and is connected to the upper part between the longitudinal lining seats; the counterweight U-shaped pull ring is connected with the middle position of the lower surface of the projection pull cloth through a screw; the butterfly springs are respectively sleeved on the left side and the right side of the outer wall of the central shaft.

Preferably, the projection granny rag and the granny rag take-in wheel are connected through screws.

Preferably, the rag receiving wheel and the central shaft are in key connection.

Preferably, the central shaft and the longitudinal lining seat are in bearing connection.

Preferably, one end of the belleville spring is in screw connection with the longitudinal lining seat, and the other end of the belleville spring is in screw connection with the outer end of the granny rag accommodating wheel.

Preferably, the projection pull cloth is white projection cloth.

Preferably, the counterweight U-shaped pull ring and the hanging buckle are hung and connected, and the hanging buckle is an I-shaped plastic buckle.

Preferably, the barrel cover and the garbage can are buckled and arranged.

Preferably, the garbage can is a cylindrical PVC hard plastic transparent can.

Preferably, the amplifying writing fixed rear plate structure comprises a linear slide rail, a writing rear plate, a hemispherical magnet block, a clip-shaped slide block, a fixed frame and an amplifying sheet, wherein the linear slide rail is respectively installed at the middle positions of the upper side and the lower side of the rear surface of the writing rear plate through transverse bolts; the hemispherical magnet blocks are sequentially adsorbed on the right side of the rear surface of the writing rear plate from top to bottom; the clip-shaped sliding blocks are respectively sleeved on the left side of the outer wall of the linear sliding rail in a sliding manner; the clip-shaped sliding block is respectively connected with the upper part and the lower part of the left side of the fixing frame through screws; the amplifying plate is embedded in the middle of the inner side of the fixing frame.

Preferably, the magnifying piece is a square convex lens.

Preferably, the writing back board body is made of a writable white PVC plastic board with an iron sheet inside.

Preferably, the structure of the writing board of the blackboard writing clip comprises a groove, a U-shaped clamping seat, a supporting plate, a writing board, an alligator clip and a U-shaped handle, wherein the groove is longitudinally formed in the middle of the inner side of the supporting plate; the U-shaped clamping seat is transversely screwed at the middle position of the lower part of the front surface of the supporting plate; the crocodile clips are respectively connected to the middle positions of the left side and the right side of the upper part of the front surface of the supporting plate through screws; the U-shaped handle screw is connected to the middle position of the upper part of the supporting plate; the writable boards are respectively connected with the middle positions of the front surfaces of the supporting boards through screws.

Preferably, the number of the writable boards is two, and the writable board body is made of a writable white PVC plastic board.

Preferably, the longitudinal lining seats are respectively installed at the left side and the right side of the upper part of the front surface of the supporting plate by longitudinal lower hexagon socket bolts.

Preferably, the writing back plate and the supporting plate are connected through bolts and nuts.

Preferably, the supporting plate and the supporting lining seat are connected through bolts.

Preferably, the height-adjustable lifting rod structure comprises a connecting pipe, an adjusting rod, an inner hexagonal socket bolt, a jack, a supporting pipe and an iron pin, wherein the connecting pipe is sleeved on the upper part of the outer wall of the adjusting rod; the inner hexagonal socket bolt is in threaded connection with the connecting part of the connecting pipe and the adjusting rod; the jacks are sequentially arranged at the middle lower part of the inner side of the adjusting rod from top to bottom; the supporting tube is sleeved at the lower part of the adjusting rod; the iron pin transversely penetrates through the upper part of the inner side of the supporting tube and penetrates through the inner part of the insertion hole.

Preferably, the connecting pipe is longitudinally welded at the middle position of the lower surface of the support lining seat.

Preferably, the lower longitudinal end of the supporting tube is mounted at the middle position of the upper surface of the movable base through a bolt.

Preferably, the adjustable and adaptive clamping electronic product frame comprises a movable L type clamping seat, a movable plate, a rectangular sleeve, an adjusting square-head bolt, a fixed L type clamping seat, a rubber pad, an installation seat, a connection seat and a telescopic rod, wherein the right end of a horizontal section of the movable L type clamping seat is in bolt connection with the left upper side of the movable plate, the movable plate is longitudinally inserted into the lower portion of the inner side of the rectangular sleeve, the adjusting square-head bolt is in threaded connection with the connection position of the movable plate and the rectangular sleeve, the right end of a horizontal section of the fixed L type clamping seat is in bolt connection with the left lower side of the rectangular sleeve, the rubber pad is respectively in glue connection with the middle position of the inner side of the horizontal section of the movable L type clamping seat and the middle position of the inner side of the horizontal section of the fixed L type clamping seat, the installation seat is welded at the middle position of the right upper side of the rectangular sleeve, the horizontal left end of the connection seat is in shaft connection with the right lower side of the rectangular sleeve.

Preferably, the movable L-type clamp seat and the fixed L-type clamp seat are oppositely arranged.

Preferably, the telescopic rod is a three-level stainless steel telescopic rod.

Preferably, the horizontal right-hand member welding of connecting seat stay tube left side intermediate position.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, projection granny rag, the wheel is accomodate to the granny rag, the center pin, vertical seat of backing, counter weight U type pull ring and disc spring's setting is favorable to increasing the supplementary teaching function of projection, is convenient for accomodate projection granny rag simultaneously, the operation of being convenient for.

2. The utility model discloses in, the setting of writing back plate and hemisphere magnet piece, be favorable to increasing to write the teaching function, still increase the test paper fixed function simultaneously to make the teaching function abundanter.

3. The utility model discloses in, linear slide rail, the type slider returns, the setting of fixed frame and amplification piece is favorable to the position of the fixed frame of sliding adjustment and amplification piece, is convenient for enlarge the content of observing on writing the back plate, the student of being convenient for looks over.

4. The utility model discloses in, recess, U type cassette, backup pad, the setting of alligator clip and U type handle are favorable to putting books, can avoid the teacher to hold the problem that books are tired easily for a long time.

5. The utility model discloses in, but the setting of clipboard, be favorable to increasing and write the teaching function.

6. The utility model discloses in, the connecting pipe, adjust the pole, hexagon socket bolt, the jack, the setting of stay tube and iron round pin is favorable to adjusting the device's height according to teaching demand and the teacher of different heights, can be convenient for operate, increase regulatory function.

7. The utility model discloses in, activity L type holder, the fly leaf, the rectangle sleeve pipe, the setting of adjusting square head bolt and fixed L type holder is favorable to pressing from both sides the intelligent electronic product of adorning different models, increases intelligent teaching auxiliary function to realize information-based teaching.

8. The utility model discloses in, the mount pad, but the setting of connecting seat and telescopic link is favorable to adjusting the position of rectangle sheathed tube according to the teaching visual angle, the smooth development of the teaching work of being convenient for.

9. The utility model discloses in, the setting of rubber pad, be favorable to playing anti-skidding and anti-injury effect to intelligent electronic product, play good guard action.

10. The utility model discloses in, garbage bin, fixing base, bung, clearance door and fastening bolt's setting, be favorable to in time putting the rubbish that produces in the teaching, can avoid indiscriminate throwing away rubbish and influence the teaching environment.

11. The utility model discloses in, pull ring, push rod, remove the base, take the brake block universal wheel and hang the setting of detaining, be favorable to removing the device, the operation of can being convenient for alleviates and removes manipulation strength.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the auxiliary projection retracting and spreading structure of the present invention.

Fig. 3 is a schematic structural view of the enlarged writing fixing back plate structure of the present invention.

Fig. 4 is a schematic structural view of the structure of the writing board of the blackboard writing clip of the present invention.

Fig. 5 is a schematic structural view of the height adjustable lifting rod structure of the present invention.

Fig. 6 is a schematic structural view of the adjustable adaptive clamping electronic product rack of the present invention.

In the figure:

1. the multifunctional garbage can comprises a pull ring, 2, a push rod, 3, a movable base, 4, a universal wheel with a brake pad, 5, a hanging buckle, 6, a garbage can, 7, a fixed seat, 8, a can cover, 9, a cleaning door, 10, a fastening bolt, 11, a supporting lining seat, 12, an auxiliary projection cloth collecting and pulling structure, 121, projection cloth, 122, cloth collecting and storing wheels, 123, a central shaft, 124, a longitudinal lining seat, 125, a counterweight U-shaped pull ring, 126, a butterfly spring, 13, a plate book clamping and writing structure, 131, a groove, 132, a U-shaped clamping seat, 133, a supporting plate, 134, a writable plate, 135, an alligator clip, 136, a U-shaped handle, 14, an amplifying and writing fixing rear plate structure, 141, a linear sliding rail, 142, a writing rear plate structure, 143, a hemispherical block, 144, a returning slide block, 145, a fixing frame, 146, an amplifying plate, 15, a height adjustable lifting rod structure, 151, a connecting pipe, 152, an adjusting rod, 153, an inner screw bolt, a jack, a socket, a jack, 155, a supporting pipe 156, a pin, a movable clamping seat, a movable plate, a magnet holder, a telescopic clamping seat, a telescopic.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a multifunctional Chinese teaching auxiliary device comprises a pull ring 1, a push rod 2, a movable base 3, a universal wheel 4 with a brake pad, a hanging buckle 5, a garbage can 6, a fixed base 7, a can cover 8, a cleaning door 9, a fastening bolt 10, a supporting lining seat 11, an auxiliary projection cloth-collecting structure 12, a writing board structure 13 of a blackboard-writing clamp, a fixed rear board structure 14 of an amplifying writing, a height-adjustable lifting rod structure 15 and an adjustable adaptive clamping electronic product frame 16, wherein the pull ring 1 is welded on the upper end of the push rod 2; the lower end of the push rod 2 in the longitudinal direction is arranged on the upper right side of the movable base 3 through a bolt; the universal wheels 4 with the brake pads are respectively installed at the four corners of the bottom of the movable base 3 through bolts; the hanging buckle 5 is transversely screwed in the middle of the front surface of the movable base 3; the longitudinal bottom of the garbage can 6 is mounted in the middle of the front part of the upper right side of the movable base 3 through a bolt; the fixed seat 7 is longitudinally screwed on the right upper side of the garbage can 6; the right end of the barrel cover 8 is coupled to the middle position of the upper part of the inner side of the fixed seat 7 in a shaft manner; the cleaning door 9 is longitudinally arranged at a cleaning opening at the middle position of the left side of the garbage can 6 through a fastening bolt 10; the auxiliary projection cloth folding and spreading structure 12 is arranged on the upper part of the front surface of the writing board installing structure 13 of the blackboard-writing clip; the writing board structure 13 of the blackboard writing clip is arranged at the middle position of the rear part of the enlarged writing fixed rear board structure 14; the supporting lining seat 11 is transversely arranged at the bottom of a writing board structure 13 of the blackboard writing clip; one longitudinal end of the height-adjustable lifting rod structure 15 is arranged at the middle position of the lower part of the support lining seat 11, and the other longitudinal end is arranged at the middle position of the upper part of the movable base 3; the adjustable adaptive clamping electronic product frame 16 is arranged at the middle position of the lower right side of the height adjustable lifting rod structure 15; the auxiliary projection cloth-receiving structure 12 comprises a projection cloth-pulling 121, a cloth-pulling receiving wheel 122, a central shaft 123, a longitudinal lining seat 124, a counterweight U-shaped pull ring 125 and a belleville spring 126, wherein the projection cloth-pulling 121 is wound in the middle of the outer wall of the cloth-pulling receiving wheel 122; the central shaft 123 is transversely inserted in the middle of the inner side of the cloth pulling and receiving wheel 122 and is connected to the upper part between the longitudinal lining seats 124; the counterweight U-shaped pull ring 125 is in screw connection with the middle position of the lower surface of the projection pull cloth 121; the butterfly springs 126 are respectively sleeved on the left side and the right side of the outer wall of the central shaft 123, the push rod 2 is pushed by holding the pull ring 1, so that the movable base 3 can be fixed or the device can be moved through the universal wheel 4 with the brake pad, the operation is convenient, the teaching garbage is placed in the garbage can 6 by opening the can cover 8, the fastening bolt 10 is detached, and the cleaning door 9 is taken down, so that the garbage in the garbage can 6 can be cleaned; through pulling down projection granny rag 121, hang counter weight U type pull ring 125 and put and hang knot 5, can carry out the projection with the help of external projecting apparatus, realize chinese projection teaching function, take off counter weight U type pull ring 125 to make belleville spring 126 release and to enable the center pin 123 rotatory, so that granny rag storage wheel 122 is rotatory to be accomodate projection granny rag 121, convenient operation increases service function.

In this embodiment, referring to fig. 3, the enlarged writing fixed back plate structure 14 includes a linear slide rail 141, a writing back plate 142, a hemispherical magnet block 143, a clip-shaped slider 144, a fixed frame 145 and an enlarged plate 146, wherein the linear slide rail 141 is installed at the middle position of the upper and lower sides of the back surface of the writing back plate 142 by a transverse bolt; the hemispherical magnet blocks 143 are sequentially attached to the right side of the rear surface of the writing back plate 142 from top to bottom; the clip-shaped sliding blocks 144 are respectively sleeved on the left side of the outer wall of the linear sliding rail 141 in a sliding manner; the clip-shaped sliding block 144 is respectively connected with the upper part and the lower part of the left side of the fixing frame 145 through screws; amplifying piece 146 inlay the inboard intermediate position at fixed frame 145, during the language and literature teaching, can write the chinese characters on writing backplate 142, handheld fixed frame 145 moves on linear slide rail 141 through returning type slider 144, can enlarge the characters on writing backplate 142 through amplifying piece 146, can be convenient for enlarge observation work, the promptness and the clarity that the student looked over have been guaranteed, can fix the paper on writing backplate 142 through hemisphere magnet piece 143, the teaching class of being convenient for uses, increase service function.

In this embodiment, referring to fig. 4, the sheet-writing clip-on writable board structure 13 includes a groove 131, a U-shaped clip seat 132, a supporting plate 133, a writable board 134, an alligator clip 135 and a U-shaped handle 136, wherein the groove 131 is longitudinally opened at the middle position of the inner side of the supporting plate 133; the U-shaped clamping seat 132 is transversely screwed at the middle position of the lower part of the front surface of the supporting plate 133; the crocodile clips 135 are respectively screwed at the middle positions of the left side and the right side of the upper part of the front surface of the supporting plate 133; the U-shaped handle 136 is connected to the middle position of the upper part of the supporting plate 133 through a screw; but clipboard 134 difference screw connection at the positive surperficial intermediate position of backup pad 133, during the teaching blackboard-writing, arrange the intermediate position of textbook in inside recess 131, arrange the lower part in inside U type cassette 132, the left and right sides upper portion of textbook is held to rethread alligator clip 135, can avoid the long-time handheld textbook of mr to lead to tired problem, still can write the chinese characters through clipboard 134, increase the teaching function.

In this embodiment, referring to fig. 5, the height adjustable lifting rod structure 15 includes a connecting pipe 151, an adjusting rod 152, an inner hexagon socket bolt 153, a socket 154, a supporting pipe 155 and an iron pin 156, wherein the connecting pipe 151 is sleeved on the upper portion of the outer wall of the adjusting rod 152; the socket screw 153 is connected with the joint of the connecting pipe 151 and the adjusting rod 152 by screw thread; the insertion holes 154 are sequentially arranged at the middle lower part of the inner side of the adjusting rod 152 from top to bottom; the supporting tube 155 is sleeved on the lower part of the adjusting rod 152; the iron pin 156 transversely penetrates through the upper part of the inner side of the supporting tube 155 and penetrates through the inner part of the insertion hole 154, when the teaching device is used for teaching, the iron pin 156 can be pulled out according to the height of a teacher, the position of the adjusting rod 152 on the supporting tube 155 is adjusted, the proper insertion hole 154 is selected, the iron pin 156 penetrates through the supporting tube 155 and is inserted into the insertion hole 154, the specific position of the device can be determined, the operation is convenient, and the teaching device is suitable for different teachers.

In this embodiment, as shown in fig. 6, the adjustable adaptive clamping electronic product rack 16 includes a movable L type clamping seat 161, a movable plate 162, a rectangular sleeve 163, an adjustable square head bolt 164, a fixed L type clamping seat 165, a rubber pad 166, a mounting seat 167, a connecting seat 168 and a telescopic rod 169, wherein the right end of the horizontal section of the movable L type clamping seat 161 is bolted to the upper left side of the movable plate 162, the movable plate 162 is longitudinally inserted into the lower inner side of the rectangular sleeve 163, the adjustable square head bolt 164 is screwed into the connecting position between the movable plate 162 and the rectangular sleeve 163, the right end of the horizontal section of the fixed L type clamping seat 165 is bolted to the lower left side of the rectangular sleeve 163, the rubber pad 166 is respectively glued to the middle position of the inner side of the horizontal section of the movable L type clamping seat 161 and the middle position of the horizontal section of the fixed L type clamping seat 165, the mounting seat 167 is welded to the middle position of the upper right side of the rectangular sleeve 163, the left end of the connecting seat 168 is connected to the right side of the rectangular sleeve 163, the middle position of the mounting seat 167 is connected to the intelligent clamping seat 163, the adjustable square head bolt is fastened to the adjustable square head bolt 164, the adjustable square head clamp 162, the adjustable square head clamp is fastened to the adjustable square head clamp 162, the adjustable square sleeve 162, the adjustable square head clamp 162, the adjustable square sleeve 162 and the adjustable square head clamp 162, the adjustable square sleeve 162 is fastened to the adjustable square sleeve 162.

Principle of operation

The utility model discloses a teaching aid, a student, a teaching aid, a student, a teaching aid, a student, a teaching aid, a student, a teaching aid, a student, a teaching aid, a.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The multifunctional Chinese teaching auxiliary device is characterized by comprising a pull ring (1), a push rod (2), a movable base (3), a universal wheel (4) with a brake pad, a hanging buckle (5), a garbage can (6), a fixed seat (7), a can cover (8), a cleaning door (9), a fastening bolt (10), a supporting lining seat (11), an auxiliary projection cloth-collecting structure (12), a writing board clamping and writing board structure (13), an amplification writing and fixing rear board structure (14), a height-adjustable lifting rod structure (15) and an adjustable and adaptive clamping electronic product frame (16), wherein the pull ring (1) is welded at the upper end of the push rod (2); the longitudinal lower end of the push rod (2) is arranged on the right upper side of the movable base (3) through a bolt; the universal wheels (4) with the brake pads are respectively installed at the four corners of the bottom of the movable base (3) through bolts; the hanging buckle (5) is transversely screwed in the middle of the front surface of the movable base (3); the longitudinal bottom of the garbage can (6) is mounted in the middle of the front part of the upper right side of the movable base (3) through a bolt; the fixed seat (7) is longitudinally screwed on the right upper side of the garbage can (6); the right end of the barrel cover (8) is coupled to the middle position of the upper part of the inner side of the fixed seat (7) in a shaft manner; the cleaning door (9) is longitudinally arranged at a cleaning opening at the middle position of the left side of the garbage can (6) through a fastening bolt (10); the auxiliary projection cloth retracting and spreading structure (12) is arranged on the upper part of the front surface of the writing board structure (13) of the blackboard writing clip; the writing board structure (13) of the blackboard writing clip is arranged at the middle position of the rear part of the enlarged writing fixed rear board structure (14); the supporting lining seat (11) is transversely arranged at the bottom of a writing board structure (13) of the blackboard writing clip; one longitudinal end of the height-adjustable lifting rod structure (15) is arranged at the middle position of the lower part of the support lining seat (11), and the other end of the height-adjustable lifting rod structure is arranged at the middle position of the upper part of the movable base (3); the adjustable adaptive clamping electronic product frame (16) is arranged in the middle position of the lower right side of the height adjustable lifting rod structure (15); the auxiliary projection cloth-receiving and spreading structure (12) comprises a projection cloth-spreading (121), a cloth-spreading storage wheel (122), a central shaft (123), a longitudinal lining seat (124), a counterweight U-shaped pull ring (125) and a belleville spring (126), wherein the projection cloth-spreading (121) is wound in the middle of the outer wall of the cloth-spreading storage wheel (122); the central shaft (123) is transversely inserted in the middle of the inner side of the cloth pulling and receiving wheel (122) and is connected to the upper part between the longitudinal lining seats (124); the counterweight U-shaped pull ring (125) is connected to the middle position of the lower surface of the projection pull cloth (121) through a screw; the belleville springs (126) are respectively sleeved on the left side and the right side of the outer wall of the central shaft (123).

2. The multifunctional auxiliary device for teaching and teaching chinese according to claim 1, wherein said enlarged writing fixed back plate structure (14) comprises linear slide rails (141), a writing back plate (142), a hemispherical magnet block (143), a clip-shaped slider (144), a fixed frame (145) and an enlarging plate (146), said linear slide rails (141) are installed at the middle positions of the upper and lower sides of the back surface of the writing back plate (142) by means of transverse bolts, respectively; the hemispherical magnet blocks (143) are sequentially adsorbed on the right side of the rear surface of the writing back plate (142) from top to bottom; the clip-shaped sliding blocks (144) are respectively sleeved on the left side of the outer wall of the linear sliding rail (141) in a sliding manner; the clip-shaped sliding block (144) is respectively in screw connection with the upper part and the lower part of the left side of the fixed frame (145); the amplifying sheet (146) is embedded in the middle position of the inner side of the fixing frame (145).

3. The multifunctional teaching and teaching aid device according to claim 2, wherein the writing board structure (13) comprises a groove (131), a U-shaped clamping seat (132), a supporting board (133), a writable board (134), an alligator clip (135) and a U-shaped handle (136), the groove (131) is longitudinally arranged at the middle position of the inner side of the supporting board (133); the U-shaped clamping seat (132) is transversely screwed at the middle position of the lower part of the front surface of the supporting plate (133); the crocodile clips (135) are respectively connected to the middle positions of the left side and the right side of the upper part of the front surface of the supporting plate (133) through screws; the U-shaped handle (136) is connected to the middle position of the upper part of the supporting plate (133) through screws; the writable boards (134) are respectively screwed at the middle position of the front surface of the supporting board (133).

4. The multifunctional auxiliary device for teaching and teaching chinese language according to claim 1, wherein said height adjustable lifting rod structure (15) comprises a connecting tube (151), an adjusting rod (152), a socket bolt (153), a socket (154), a supporting tube (155) and a iron pin (156), said connecting tube (151) is sleeved on the upper portion of the outer wall of the adjusting rod (152); the inner hexagonal socket bolt (153) is in threaded connection with the connecting part of the connecting pipe (151) and the adjusting rod (152); the insertion holes (154) are sequentially arranged at the middle lower part of the inner side of the adjusting rod (152) from top to bottom; the supporting tube (155) is sleeved at the lower part of the adjusting rod (152); the iron pin (156) transversely penetrates through the upper part of the inner side of the supporting pipe (155) and penetrates through the inner part of the insertion hole (154).

5. The multifunctional auxiliary device for teaching lessons in Chinese language and literature according to claim 1, wherein said adjustable adaptive clamping electronic product holder (16) comprises a movable L type clamping seat (161), a movable plate (162), a rectangular sleeve (163), an adjustable square head bolt (164), a fixed L type clamping seat (165), a rubber pad (166), a mounting seat (167), a connecting seat (168) and a telescopic rod (169), wherein the right end of the horizontal section of said movable L type clamping seat (161) is bolted to the left upper side of said movable plate (162), said movable plate (162) is longitudinally inserted into the lower portion of the inner side of said rectangular sleeve (163), said adjustable square head bolt (164) is screwed into the connecting position between said movable plate (162) and said rectangular sleeve (163), the right end of the horizontal section of said fixed L type clamping seat (165) is bolted to the left lower side of said rectangular sleeve (163), said rubber pad (166) is respectively glued to the middle position of the inner side of the horizontal section of L type clamping seat (161) and the middle position of the horizontal section of said fixed L type clamping seat (165), and the right end of the middle position of said telescopic sleeve (168) is welded to the right connecting seat (163) of the connecting seat (168).

6. The multifunctional auxiliary device for teaching and teaching chinese language according to claim 1, wherein said belleville spring (126) has one end screwed to the longitudinal lining seat (124) and the other end screwed to the outer end of the rag receiving wheel (122).

7. The multifunctional auxiliary device for teaching and teaching Chinese as claimed in claim 2, wherein said writing back plate (142) is a writable white PVC plastic plate with an iron sheet inside.

8. The multifunctional auxiliary device for teaching and teaching Chinese according to claim 3, wherein said writable board (134) comprises two, and said writable board (134) is made of writable white PVC plastic board.

9. The multifunctional auxiliary device for teaching and teaching chinese language according to claim 4, wherein said supporting tube (155) is bolted to the middle of the upper surface of the movable base (3) at its lower longitudinal end.

10. The multifunctional auxiliary device for teaching chinese language as claimed in claim 5, wherein said movable L-type holder (161) and fixed L-type holder (165) are disposed opposite to each other.

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