CN209149625U - A kind of displaying device of phonetic transcriptions of Chinese characters teaching - Google Patents

Abstract

The utility model provides a kind of displaying device of phonetic transcriptions of Chinese characters teaching, it is caught in connecting rod by the U-shaped opening of clamping portion, the installation positioning of phonetic alphabet display card is realized with this, and it is quick and easy for installation, can phonetic alphabet display card arbitrarily be picked and placed and be carried out the adjustment of position, to realize the independent assortment to phonetic alphabet；It is additionally provided with phonetic alphabet etc. in plate face by phonetic alphabet display card, can be used for being identified the word of multilayer lateral on the magnetic white board on display board panel；The realias such as display board can be placed by the inside of display box, convenient for storing and managing display board, is convenient for carrying and searches display board, substantially increase the teaching efficiency of teacher；The clamping to display board is realized on mounting part by grips, it is easy to operate, it is time saving and energy saving, convenient for picking and placing；By elevating mechanism and mobile mechanism, so that display box is height-adjustable, and mobile and fixation is more convenient.

Description

A kind of displaying device of phonetic transcriptions of Chinese characters teaching

Technical field

The utility model relates to teaching aid equipment technical fields, and in particular to a kind of displaying dress of phonetic transcriptions of Chinese characters teaching It sets.

Background technique

During the Language education of primary school period, mainly to become literate, know based on word；Especially for some classic poetries Teaching occupies very big specific gravity in primary school period；But these words are for the pupil for just receiving regular education, it is past It is past hard to understand, learn to get up more uninteresting, needs reinforcement repeatedly to remember, be likely to be received by it.Teacher is to attract student Attention, reduce the use of the dust and projection device of chalk-writing, often to make the teaching aids such as some teaching cards, Increase classroom interaction, improves the learning interest and learning efficiency of student, but existing teaching card is in use, card Quantity is more, it has not been convenient to and it carries and searches, it is time-consuming and laborious, influence the teaching efficiency of teacher；Wherein especially to the phonetic of Chinese character The combination of teaching display card, which is composed and laid out, to have much room for improvement.

Utility model content

The purpose of the utility model is to provide a kind of displaying device of phonetic transcriptions of Chinese characters teaching, it can be achieved that the transverse direction of phonetic alphabet Independent assortment；And convenient for storage and management display board, it is convenient for carrying and searches display board, and the clamping of display board is convenient and efficient, Convenient for picking and placing.

In order to achieve the above object, the utility model is achieved by the following technical programs:

A kind of displaying device of phonetic transcriptions of Chinese characters teaching, including show mechanism, display board, elevating mechanism and mobile mechanism；Institute State the display box retractable support frame for showing that mechanism includes upper opening；The intermediate casing of the retractable support frame is convex by front end Interconnecting piece is played to be fixedly connected with the inner sidewall of the display box；The retractable support frame is outside in the transverse sides of the display box It stretches out or to contract；The display board is located on the mounting part of the retractable support frame by Universal hook；It is additionally provided with phonetic Alphabetical display card；The phonetic alphabet display card is fastened on strut；The strut is located on the intermediate casing；It is described The side of strut is also connected in transverse support portion, to realize that the phonetic alphabet display card is located at the upper cross of the display board It is arranged to arrangement；The lifting seat of the elevating mechanism is fixedly connected with the display box bottom；The elevating mechanism is located at described In mobile mechanism.

Further, the phonetic alphabet display card includes clamping portion and link block；The clamping portion is U-board shape knot Structure；The link block is equipped with phonetic alphabet；Support arm one end of the clamping portion is connect with the link block.

Further, the strut includes transverse support portion and longitudinal bracing portion；The transverse support portion is U-board strip Structure；The fixed outer end for being located at the transverse support portion in the longitudinal bracing portion, and the longitudinal bracing portion is located at the displaying A side of case；The longitudinal bracing portion is equipped with multiple mounting holes along its length.

Further, it is additionally provided with connecting rod, the sectional dimension of the connecting rod is matched with the mounting hole；The clamping portion Matched with the connecting rod size, and be caught in connecting rod by the U-shaped opening of clamping portion.

Further, the retractable support frame includes big casing, intermediate casing and small casing；The big casing is set in institute It states on intermediate casing；The intermediate casing is set on the small casing；The big casing and small casing are respectively along in described Between the length direction of casing be moved forward and backward, realize that the transverse sides in the display box are protruding or to contract with this；Institute It states big casing, intermediate casing and small casing and is coaxially socketed setting；The big casing, intermediate casing and small casing are square tube knot Structure.

Further, the mounting knot that the circular hole and a strip aperture that the mounting part is arranged by multiple permutations are constituted Structure.

Further, the Universal hook includes collet, rotary shaft and link；One end of the rotary shaft and the collet Retaining clip upper end be fixedly connected；The link set is set in the rotary shaft by the sleeve part of lower part；It is realized with this The link can rotate in a circumferential direction respectively around rotary shaft；The top of the display board is additionally provided with and the matched through-hole of the link； It can be achieved to realize the clamping to display board on the mounting part by grips.

Further, the collet includes retaining clip, rotation clamp, pin shaft and tension spring；The pin shaft is axially across institute It states retaining clip and rotates the upper end of clamp, realize that the rotation clamp is connect with rotating coaxially for retaining clip upper end with this； One end of the tension spring is fixedly connected with the inner sidewall of the retaining clip, and the inner sidewall of the other end and the rotation clamp is fixed Connection, realizes the rotation clamp using retaining clip as spring base using this.

Further, the elevating mechanism includes lifting seat, screw rod, sliding block, lifting arm, rotary electric machine, synchronous belt, big band Wheel, small pulley, litter, rack；One end of the screw rod is connect with the big belt wheel, and the other end passes through sliding block and upward extension It stretches, and is threadedly coupled with the sliding block；One end of the lifting arm is fixedly connected with the sliding block, the other end and the lifting seat Connection；The rotary electric machine fixation is located in the rack；The output rotation axis of the rotary electric machine is fixed with the small pulley Connection, and be rotatablely connected by synchronous belt and the big belt wheel；There are two the litter, wears on the slide block respectively, and Triangle position relationship is formed with the screw rod.

Further, the mobile mechanism includes universal wheel and adjusts support base, and the universal wheel sets and adjust support base In the bottom of the rack；The adjusting support base is that screw rod and pedestal form, and the screw rod is threadedly coupled with the rack；Institute The bottom that pedestal is located at the screw rod is stated, by the bearing height up and down for adjusting the screw rod.

Compared with prior art, the utility model has the following beneficial effects:

1, the utility model is caught in connecting rod by the U-shaped opening of clamping portion, realizes phonetic alphabet display card with this Installation positioning, and it is quick and easy for installation, can phonetic alphabet display card arbitrarily be picked and placed and be carried out the adjustment of position, to realize pair The independent assortment of phonetic alphabet；It is additionally provided with phonetic alphabet etc. in plate face by phonetic alphabet display card, can be used for display board The word of lateral multilayer is identified on magnetic white board on panel.

2, the utility model can place the realias such as display board by the inside of display box, show convenient for storage and management Plate is convenient for carrying and searches display board, substantially increases the teaching efficiency of teacher.

3, the utility model realizes the clamping to display board by grips on mounting part, easy to operate, time saving It is laborsaving, convenient for picking and placing.

4, the utility model is by elevating mechanism and mobile mechanism, so that display box is height-adjustable, and mobile and solid It is fixed more convenient.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it is therefore apparent that the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the configuration schematic diagram of the utility model；

Fig. 2 is the opening state stereoscopic mechanism schematic diagram of the utility model；

Fig. 3 is the front view of the utility model；

Fig. 4 is the sectional view of the utility model；

Fig. 5 is the retractable support frame structural schematic diagram of the utility model；

Fig. 6 is the big cannula structure schematic diagram of the utility model；

Fig. 7 is the big casing cross-sectional view of the utility model；

Fig. 8 is the intermediate casing structural schematic diagram of the utility model；

Fig. 9 is the small casing structural schematic diagram of the utility model；

Figure 10 is the small casing cross-sectional view of the utility model；

Figure 11 is the display board mounting structure schematic diagram of the utility model；

Figure 12 is the Universal hook structural schematic diagram of the utility model；

Figure 13 is the Universal hook front view of the utility model；

Figure 14 is the Universal hook cross-sectional view of the utility model；

Figure 15 is the receiving state structural schematic diagram of the utility model；

Figure 16 is the receiving state top view of the utility model；

Figure 17 is the A-A cross-sectional view of Figure 16 of the utility model；

Figure 18 is the structural schematic diagram of the phonetic alphabet display card of the utility model；

Figure 19 is the structural schematic diagram of another embodiment of the utility model；

Figure 20 is the structural schematic diagram of the intermediate casing in another embodiment of the utility model；

Figure label explanation:

1, mechanism is shown；11, display box；111, accommodating case；12, retractable support frame；121, big casing；1211, mounting part； 122, intermediate casing；1221, raised interconnecting piece；123, small casing；2, display board；3, elevating mechanism；30, lifting seat；31, spiral shell Bar；32, sliding block；33, lifting arm；34, rotary electric machine；35, synchronous belt；36, big belt wheel；37, small pulley；38, litter；39, machine Frame；4, mobile mechanism；41, universal wheel；42, support base is adjusted；5, phonetic alphabet display card；51, clamping portion；52, link block；6, Strut；61, transverse support portion；62, longitudinal bracing portion；621, mounting hole；7, Universal hook；71, collet；711, retaining clip； 712, clamp is rotated；713, pin shaft；714, tension spring；72, rotary shaft；73, link；8, connecting rod.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to the utility model The range of protection.

In conjunction with attached drawing 1 to Figure 20, the utility model is further described:

In conjunction with attached drawing 1, Fig. 2, Fig. 3 and Fig. 4, a kind of displaying device of phonetic transcriptions of Chinese characters teaching, including show mechanism 1, show Plate 2, elevating mechanism 3 and mobile mechanism 4；It is described to show that mechanism 1 includes the display box 11 and retractable support frame 12 of upper opening；Institute Stating retractable support frame 12 includes big casing 121, intermediate casing 122 and small casing 123；The big casing 121 is set in described Between on casing 122；The intermediate casing 122 is set on the small casing 123；The intermediate casing 122 is convex by front end Interconnecting piece 1221 is played to be fixedly connected with the inner sidewall of the display box 11；The big casing 121 and small casing 123 are respectively along institute The length direction for stating intermediate casing 122 is moved forward and backward, with this realize the transverse sides in the display box 11 it is protruding or to Contract；The display board 2 is located on the mounting part 1211 of the big casing 121 and small casing 123 by Universal hook 7；Institute The lifting seat 30 for stating elevating mechanism 3 is fixedly connected with 11 bottom of display box；The elevating mechanism 3 is located at the mobile mechanism On 4.

The forward and backward plate face of the display box 11 is magnetic white board；Easy to use, it is clear to write, and magnetic grain magnetic can be used The text " ordering " of needs is placed on magnetic white board by item；The front of the display box 11 is additionally provided with accommodating case 111.For to powder The placement of pen, blackboard eraser and free ink pen etc. easily facilitates academics and students' use；And the inside of the display box 11 can place The realias such as display board 2, economical and practical, more convenient teaching are convenient for carrying and search exhibition convenient for storing and managing display board Show plate, substantially increases the teaching efficiency of teacher.

It is additionally provided with phonetic alphabet display card 5；The phonetic alphabet display card 5 is fastened on strut 6；The strut 6 is fixed It is located on the intermediate casing 122, to realize that the phonetic alphabet display card 5 is fastened on the display board 2；The phonetic word Phonetic alphabet etc. are additionally provided in the plate face of female display card 5, can be used for marking the word of the magnetic white board on 2 panel of display board Know.

The section of the strut 6 is cube structure.

There are two the retractable support frame 12 is set, and it is separately positioned on the front and rear portions of the display box 11.

Preferably, the mounting knot that the circular hole and a strip aperture that the mounting part 1211 is arranged by multiple permutations are constituted Structure.

Preferably, the bottom of 11 inside of display box is additionally provided with grid；The display board 2 is plugged in grid, successively The orderly placement of display board 2 is realized, convenient for the lookup and placement of display board 2.

In conjunction with attached drawing 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 15, Figure 16 and Figure 17；The front end of the big casing 121 is also It is matched equipped with opening with the size of the strut 6, realizes that the big casing 121 is received on the intermediate casing 122 with this；Institute State the right part tube body internal projection portion of the length direction of big casing 121 and the left part exterior protrusion phase of the intermediate casing 122 To setting, movement is limited before and after realizing big casing 121 on the intermediate casing 122 with this；The length of the small casing 123 The right part pipe exterior protrusion and the right part exterior protrusion of the intermediate casing 122 in direction are oppositely arranged, and the small casing 123 left part pipe exterior protrusion is oppositely arranged with the right part internal projection portion of the intermediate casing 122, is realized with this described small Back-and-forth motion limit of the casing 123 on the intermediate casing 122.

The coaxially socket setting of the big casing 121, intermediate casing 122 and small casing 123；The big casing 121, intermediate sleeve Pipe 122 and small casing 123 are rhs-structure.

In conjunction with attached drawing 11, Figure 12, Figure 13 and Figure 14, the Universal hook 7 includes collet 71, rotary shaft 72 and link 73； One end of the rotary shaft 72 is fixedly connected with 711 upper end of retaining clip of the collet 71；73 sets of the link passes through lower part Sleeve part be set in the rotary shaft 72；Realize that the link 73 can rotate in a circumferential direction respectively around rotary shaft 72 with this；

The collet 71 includes retaining clip 711, rotation clamp 712, pin shaft 713 and tension spring 714；713 axis of pin shaft To the upper end for passing through the retaining clip 711 and rotation clamp 712, the rotation clamp 712 and retaining clip 711 are realized with this Upper end rotates coaxially connection；One end of the tension spring 714 is fixedly connected with the inner sidewall of the retaining clip 711, the other end It is fixedly connected with the inner sidewall of the rotation clamp 712, realizes the rotation clamp 712 with retaining clip 711 for spring with this Seat；And tension spring 714 under natural conditions, the lower end size matching of the retaining clip 711 and rotation clamp 712 makes place In the state of closure；Operator, which only needs to move rotation clamp 712 with hand, can be realized the relatively fixed clamp of rotation clamp 712 711 opening and closing；By the way that the rotary chuck 71 of Universal hook 7 is pressed and is rotated to 711 side of retaining clip with finger It opens, and the eave tile at 711 top of retaining clip is passed through into the circular hole on 1211 top of mounting part, while unclamping finger, rotary chuck 71 abut from the eave tile that the strip aperture of 1211 lower part of mounting part is sprung back in 711 top of retaining clip, realize described ten thousand with this It is hung on the mounting part 1211 to hook 7.

The top of the display board 2 is additionally provided with and the matched through-hole of the link 73；It can be achieved to be clamped in by collet 71 The clamping to display board 2 is realized on the mounting part 1211, it is easy to operate, it is time saving and energy saving, convenient for picking and placing, the clamping of this programme Effect is more preferable.

Preferably, the Universal hook 7 is the fixed Universal hook 7 of push type, can be removed, it can be achieved that 360 degree rotation, uses Stainless steel or copper material, of length no more than 60mm；Inner hole aperture is not less than φ 10mm；The display board 2 is cube plate knot Structure, and the front-back of the display board 2 is equipped with the content of language teaching, such as ancient poetry.

The elevating mechanism 3 include lifting seat 30, screw rod 31, sliding block 32, lifting arm 33, rotary electric machine 34, synchronous belt 35, Big belt wheel 36, small pulley 37, litter 38, rack 39；One end of the screw rod 31 is connect with the big belt wheel 36, and the other end is worn Sliding block 32 and upwards outer extension are crossed, and is threadedly coupled with the sliding block 32；One end of the lifting arm 33 and the sliding block 32 are solid Fixed connection, the other end are connect with the lifting seat 30；The fixation of rotary electric machine 34 is located in the rack 39；The rotation electricity The output rotation axis of machine 34 is fixedly connected with the small pulley 37, and is rotatablely connected by synchronous belt 35 and the big belt wheel 36； There are two the litter 38, is threaded through on the sliding block 32 respectively, and forms triangle position relationship, knot with the screw rod 31 Structure is firm, drives the sliding block 32 lower movement in the height direction so that realizing when screw rod 31 rotates；Pass through when use It is powered to rotary electric machine 34, to drive big belt wheel 36 to rotate after realizing that the rotation of rotary electric machine 34 drives small pulley 37, realize spiral shell The rotation of bar 31 drives 33 axis of lifting arm and 30 oscilaltion of lifting seat so that 32 axis of sliding block is moved up and down along litter 38, It is driven, can accurately be fed by the screw rod 31 of this structure, feed speed is uniform, when directly abutting, to be supported The impact force at position is small, and support effect is more preferable；

The mobile mechanism 4 includes universal wheel 41 and adjusts support base 42, and the universal wheel 41 sets and adjust support base 42 In the bottom of the rack 39；The adjusting support base 42 is that screw rod and pedestal form, the screw rod and 39 screw thread of rack Connection；The pedestal is located at the bottom of the screw rod, by the bearing height up and down for adjusting the screw rod；By adjusting support base 42 height is adjustable, when the height for adjusting support base 42 is lower than 41 height of universal wheel, it can be achieved that the movement of universal wheel 41；Work as tune , it can be achieved that the fixation of device, easy to adjust when saving the height of support base 42 higher than 41 height of universal wheel, so that moving and fixing more It is convenient to add.

In another embodiment, unlike the embodiments above:

In conjunction with attached drawing 18, Figure 19 and Figure 20, the phonetic alphabet display card 5 is fastened on strut 6；The strut 6 is located at It is located on the intermediate casing 122；The side of the strut 6 is also connected in transverse support portion 61, to realize the phonetic word Female display card 5 is located at the upper lateral arrangement setting of the display board 2；

The phonetic alphabet display card 5 includes clamping portion 51 and link block 52；The clamping portion 51 is U-shaped plate structure； The link block 52 is equipped with phonetic alphabet；Support arm one end of the clamping portion 51 is connect with the link block 52.

The strut 6 includes transverse support portion 61 and longitudinal bracing portion 62；The transverse support portion 61 is U-board strip knot Structure；The fixed outer end for being located at the transverse support portion 61 in the longitudinal bracing portion 62, and the longitudinal bracing portion 62 be located at it is described A side of display box 11；The longitudinal bracing portion 62 is equipped with multiple mounting holes 621 along its length.

It is additionally provided with connecting rod 8, the sectional dimension of the connecting rod 8 is matched with the mounting hole 621；The clamping portion 51 Matched with 8 size of connecting rod, and be caught in connecting rod 8 by the U-shaped opening of clamping portion 51, phonetic alphabet realized with this The installation of display card positions, and quick and easy for installation, can phonetic alphabet display card arbitrarily be picked and placed and be carried out the adjustment of position, To realize the independent assortment to phonetic alphabet；It is additionally provided with phonetic alphabet etc. in plate face by phonetic alphabet display card, can be used for The word of multilayer lateral on magnetic white board on display board panel is identified.

When the utility model is used, by the way that special phonetic alphabet display card is arranged, it can allow by way of interaction From birth for the Chinese character on display box, student is allowed to select suitable phonetic alphabet display board and block to be set on strut, is mentioned significantly Interest that high student imparts knowledge to students to phonetic transcriptions of Chinese characters, convenient for preferably carrying out language teaching；It is moved by mobile mechanism's movement Whole device, then movement and fixation by adjusting support base realization device；Screw rod is realized by being powered to rotary electric machine again Rotation, and realize the lifting of lifting platform, and display box is driven to move up and down, it is convenient to operate, time saving and energy saving；Present apparatus structure letter Single, installation operation is convenient, reusable, economical and practical, and easy to carry, management, using flexible, design is rationally, compact-sized, It is suitble to be widely popularized.

It should be noted that wherein the specific configuration of rotary electric machine, magnetic white board and universal wheel is the prior art, it can be straight It connects buying from the market to obtain, those skilled in the art do not need to make the creative labor and can be obtained, and the company of rotary electric machine It connects and rotates to control to have in the daily life of this field and extremely be widely applied, and will not be described here in detail.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of displaying device of phonetic transcriptions of Chinese characters teaching, it is characterised in that: including showing mechanism (1), display board (2), elevator Structure (3) and mobile mechanism (4)；It is described to show that mechanism (1) includes display box (11) retractable support frame (12) of upper opening；It is described The intermediate casing (122) of retractable support frame (12) passes through the raised interconnecting piece (1221) of front end and the inside of the display box (11) Wall is fixedly connected；The retractable support frame (12) is protruding or to contract in the transverse sides of the display box (11)；Institute Display board (2) are stated to be located on the mounting part (1211) of the retractable support frame (12) by Universal hook (7)；It is additionally provided with phonetic word Female display card (5)；The phonetic alphabet display card (5) is fastened on strut (6)；The strut (6) is located at the centre On casing (122)；The side of the strut (6) is also connected on transverse support portion (61), to realize that the phonetic alphabet are shown Board (5) is located at the upper lateral arrangement setting of the display board (2)；The lifting seat (30) of the elevating mechanism (3) and the exhibition Show that case (11) bottom is fixedly connected；The elevating mechanism (3) is located on the mobile mechanism (4).

2. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 1, it is characterised in that: the phonetic alphabet display card It (5) include clamping portion (51) and link block (52)；The clamping portion (51) is U-shaped plate structure；It is set on the link block (52) There are phonetic alphabet；Support arm one end of the clamping portion (51) is connect with the link block (52).

3. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 2, it is characterised in that: the strut (6) includes cross To support portion (61) and longitudinal bracing portion (62)；The transverse support portion (61) is U-board strip structure；The longitudinal bracing portion (62) the fixed outer end for being located at the transverse support portion (61), and the longitudinal bracing portion (62) is located at the display box (11) A side；The longitudinal bracing portion (62) is equipped with multiple mounting holes (621) along its length.

4. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 3, it is characterised in that: be additionally provided with connecting rod (8), institute The sectional dimension for stating connecting rod (8) is matched with the mounting hole (621)；The clamping portion (51) with the connecting rod (8) ruler Very little matching, and be caught on connecting rod (8) by the U-shaped opening of clamping portion (51).

5. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 1, it is characterised in that: the retractable support frame (12) Including big casing (121), intermediate casing (122) and small casing (123)；The big casing (121) is set in the intermediate casing (122) on；The intermediate casing (122) is set on the small casing (123)；The big casing (121) and small casing (123) It is moved forward and backward respectively along the length direction of the intermediate casing (122), the cross side in the display box (11) is realized with this Side is protruding or to contract；The coaxially socket setting of the big casing (121), intermediate casing (122) and small casing (123)； The big casing (121), intermediate casing (122) and small casing (123) are rhs-structure.

6. the displaying device of phonetic transcriptions of Chinese characters according to claim 1 teaching, it is characterised in that: the mounting part (1211) by The hanging structure that the circular hole of multiple permutation arrangements and a strip aperture are constituted.

7. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 1, it is characterised in that: Universal hook (7) packet Include collet (71), rotary shaft (72) and link (73)；One end of the rotary shaft (72) and the retaining clip of the collet (71) (711) upper end is fixedly connected；Link (73) set is set on the rotary shaft (72) by the sleeve part of lower part；With this reality The existing link (73) can rotate in a circumferential direction respectively around rotary shaft (72)；The top of the display board (2) is additionally provided with and the extension Ring (73) matched through-hole；It can be achieved to be clamped on the mounting part (1211) by collet (71) to realize to display board (2) Clamping.

8. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 7, it is characterised in that: the collet (71) includes solid Clamp body (711), rotation clamp (712), pin shaft (713) and tension spring (714)；The pin shaft (713) is axially across the fixation Rotation clamp (712) and retaining clip (711) upper end are realized with this in clamp (711) and the upper end for rotating clamp (712) Rotate coaxially connection；One end of the tension spring (714) is fixedly connected with the inner sidewall of the retaining clip (711), the other end with The inner sidewall of rotation clamp (712) is fixedly connected, and realizes that the rotation clamp (712) is with retaining clip (711) with this Spring base.

9. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 1, it is characterised in that: elevating mechanism (3) packet Include lifting seat (30), screw rod (31), sliding block (32), lifting arm (33), rotary electric machine (34), synchronous belt (35), big belt wheel (36), Small pulley (37), litter (38), rack (39)；One end of the screw rod (31) is connect with the big belt wheel (36), and the other end is worn Sliding block (32) and upwards outer extension are crossed, and is threadedly coupled with the sliding block (32)；One end of the lifting arm (33) and the cunning Block (32) is fixedly connected, and the other end is connect with the lifting seat (30)；Rotary electric machine (34) fixation is located at the rack (39) in；The output rotation axis of the rotary electric machine (34) is fixedly connected with the small pulley (37), and passes through synchronous belt (35) It is rotatablely connected with the big belt wheel (36)；There are two the litter (38), is threaded through on the sliding block (32) respectively, and with it is described Screw rod (31) forms triangle position relationship.

10. the displaying device of phonetic transcriptions of Chinese characters teaching according to claim 9, it is characterised in that: mobile mechanism (4) packet It includes universal wheel (41) and adjusts support base (42), the universal wheel (41) sets and adjust support base (42) in the rack (39) Bottom；The adjusting support base (42) is that screw rod and pedestal form, and the screw rod is threadedly coupled with the rack (39)；The bottom Seat is located at the bottom of the screw rod, by the bearing height up and down for adjusting the screw rod.