CN214984012U - Primary school's chinese rice word check frame device - Google Patents

Abstract

The application discloses a Chinese and Chinese character 'mi' lattice picture frame device for primary schools, which comprises a shell, a printing mechanism, a positioning mechanism and an installation mechanism, wherein an installation plate is arranged at the center of an inner cavity of the shell, and a printing plate is fixedly installed on the bottom end face of the installation plate; the printing mechanism comprises a printing plate, a limiting chute, a limiting block, a rotating pin and a torsion spring, wherein the limiting chute is formed in the front end face and the rear end face of the inner cavity of the shell. This application carries out rice word check printing to the paper through pressing the printing plate downstream that the handle drove the mounting panel bottom, stopper and the sliding connection between the spacing spout through mounting panel both sides rigid coupling, the dislocation of having avoided the printing plate to rock when printing downwards, lead to the not good result of printing effect, the elastic potential energy through the torsional spring keeps the level of turning block, and then make under the condition of no external force, the turning block can be with stopper jack-up, thereby make the mounting panel can obtain the support when not using the printing plate.

Description

Primary school's chinese rice word check frame device

Technical Field

The application relates to the technical field of picture frame manufacturing, in particular to a primary school Chinese character 'mi' lattice picture frame device.

Background

The Mi character frame is a grid printed with Mi character-shaped dotted lines in a grid, and consists of horizontal dotted lines, vertical dotted lines and two diagonal dotted lines, the Mi character frame is mainly used for copying and is beneficial to arrangement of positions of a partition frame and strokes, the Mi character frame is also a word-exercising tool for some middle and primary school students, more the Mi character frame is used for exercising a word class, the Mi character frame is used for learning to use, the Mi character frame with eight equidistant line segments can be positioned more accurately, a plurality of pupils use the Mi character frame to exercise the word in order to standardize the word exercise, and the whole layout of the word exercise using the Mi character frame is standard and neat.

Along with people's improvement of learning level, school constantly strengthens the requirement of middle and primary school student to the typeface, standardize middle and primary school student's requirement of practising calligraphy, in order to carry out the training of middle and primary school student fast, consequently need a rice word frame device, some rice word check frame devices are when printing rice word check at present, not only the printing plate misplaces easily, and the paper also misplaces extremely easily, lead to the printing effect relatively poor, and current rice word check frame device work efficiency is low, waste time and energy, the efficiency of practising calligraphy on class is influenced. Therefore, a scholar frame device for primary school Chinese is proposed to solve the above problems.

Disclosure of Invention

A primary school Chinese character mi-shaped lattice picture frame device comprises a shell, a printing mechanism, a positioning mechanism and an installation mechanism, wherein an installation plate is arranged at the center of an inner cavity of the shell, and a printing plate is fixedly installed on the bottom end face of the installation plate;

the printing mechanism comprises a printing plate, limiting chutes, limiting blocks, rotating pins and torsional springs, wherein the limiting chutes are formed in the front side end face and the rear side end face of the inner cavity of the shell, the limiting blocks are fixedly connected to the front side end face and the rear side end face of the mounting plate, the limiting blocks are connected with the limiting chutes in a sliding mode, the rotating blocks are arranged on the two limiting chutes, circular grooves are formed in the two rotating blocks, the rotating pins are arranged in the circular grooves, the two ends of each rotating pin are fixedly connected with the inner walls of the limiting chutes respectively, the rotating blocks are connected with the rotating pins in a rotating mode, and the top end faces of the rotating blocks are attached to the bottom end faces of the limiting blocks;

the positioning mechanism comprises a first magnetic block, a fixing sleeve, a balancing weight, a sliding block, a second magnetic block, a connecting rod and a rotary table, wherein the two sides of the top end surface of the inner cavity of the shell are fixedly connected with the fixing sleeve, the two side end surfaces of the inner cavity of the fixing sleeve are provided with vertical sliding grooves, an annular sliding groove is arranged on the inner wall of the fixing sleeve at the top of the vertical sliding groove and is communicated with a limiting sliding groove, the inner wall of the fixing sleeve is in sliding connection with the balancing weight, the bottom end surface of the balancing weight is fixedly connected with the second magnetic block, the two side end surfaces of the balancing weight are fixedly connected with the sliding blocks, the two sliding blocks are respectively in sliding connection with the two vertical sliding grooves, the connecting rod is fixedly connected to the center of the top end surface of the balancing weight, and the top end of the connecting rod penetrates through the top end surface of the shell and is fixedly connected with the bottom end surface of the rotary table;

installation mechanism includes fixed slot, fixed block, screw rod, second spring, T type pole and third spring, four screws have been seted up to the top terminal surface of mounting panel, the bottom terminal surface of mounting panel is equipped with four fixed slots, four fixed blocks of the top terminal surface fixedly connected with of printing plate, four the fixed block respectively with four fixed slot sliding connection, four the top terminal surface of fixed block all is equipped with the thread groove, the screw rod has four, four the screw rod runs through four screws respectively and extends to four thread grooves in, the bottom of screw rod is equipped with the inner chamber, the top terminal surface fixedly connected with second spring of screw rod inner chamber, the bottom of second spring and the top fixed connection of T type pole, the bottom that the bottom of T type pole runs through the screw rod is laminated mutually with the bottom terminal surface of thread groove.

Furthermore, an opening is formed in the center of the top end face of the shell, and the size of the opening is matched with that of the mounting plate.

Furthermore, a torsion spring is sleeved on the rotating pin, the other end of the torsion spring is fixedly connected with the inner wall of the circular groove, and the circular groove penetrates through the rotating block.

Furthermore, both sides of the end face of the bottom of the inner cavity of the shell are provided with mounting grooves, two mounting grooves are internally and fixedly connected with first magnetic blocks, and the first magnetic blocks are matched with the second magnetic blocks.

Furthermore, the connecting rod is sleeved with a first spring, the bottom end of the first spring is fixedly connected with the top end face of the balancing weight, the top end of the first spring is fixedly connected with the top end of the inner cavity of the fixed sleeve, and the sliding block is matched with the annular sliding groove.

Furthermore, round holes are formed in two sides of the top end face of the shell and are respectively connected with the two connecting rods in a sliding mode, and through holes are formed in the bottom end of the fixing sleeve.

Furthermore, the top end face of the mounting plate is fixedly connected with a handle, and the right side of the bottom end face of the inner cavity of the shell is fixedly connected with a baffle.

Furthermore, there are four screw holes, four the screw hole is the form of rectangle array and distributes on the terminal surface of the top of mounting panel, the bottom of four the screw hole respectively with four fixed slots intercommunication.

Furthermore, the top end of the T-shaped rod is slidably connected with the inner cavity of the screw rod, a third spring is sleeved at the bottom end of the T-shaped rod, the top end of the third spring is fixedly connected with the bottom end of the screw rod, and the bottom end of the third spring is attached to the bottom end face of the thread groove.

Furthermore, the screw hole is matched with the thread groove, and the screw rod is in threaded connection with the screw hole and the thread groove.

The beneficial effect of this application is: the application provides a primary school's chinese rice word check frame device convenient to quick location printing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic overall side view of an embodiment of the present application;

FIG. 4 is a schematic view of the internal structure of a mounting board and a printing board according to an embodiment of the present application;

FIG. 5 is a schematic top view of a fixing sleeve according to an embodiment of the present application

FIG. 6 is a schematic diagram of a partially enlarged structure at A in FIG. 3 according to an embodiment of the present application

Fig. 7 is a schematic diagram of a partial enlarged structure at B in fig. 4 according to an embodiment of the present application.

In the figure: 1. the shell, 2, the mounting panel, 3, the printing plate, 4, spacing spout, 5, the stopper, 6, the turning block, 7, the circular slot, 8, the rotating pin, 9, the torsional spring, 10, the mounting groove, 11, first magnetic path, 12, fixed sleeve, 13, vertical spout, 14, annular spout, 15, the balancing weight, 16, the slider, 17, the second magnetic path, 18, the connecting rod, 19, the carousel, 20, first spring, 21, the round hole, 22, the fixed slot, 23, the screw, 24, the fixed block, 25, the thread groove, 26, the screw rod, 27, the second spring, 28, T type pole, 29, the third spring, 30, the handle, 31, the opening, 32, the baffle, 33, the through-hole.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-7, a primary school Chinese character mi-zi lattice picture frame device comprises a shell 1, a printing mechanism, a positioning mechanism and a mounting mechanism, wherein a mounting plate 2 is arranged at the center of an inner cavity of the shell 1, and a printing plate 3 is fixedly mounted on the bottom end face of the mounting plate 2;

the printing mechanism comprises a printing plate 3, limiting chutes 4, limiting blocks 5, rotating blocks 6, rotating pins 8 and torsion springs 9, the limiting chutes 4 are formed in the front side end face and the rear side end face of the inner cavity of the shell 1, the limiting blocks 5 are fixedly connected to the front side end face and the rear side end face of the mounting plate 2, the limiting blocks 5 are in sliding connection with the limiting chutes 4, the rotating blocks 6 are arranged on the two limiting chutes 4, circular grooves 7 are formed in the two rotating blocks 6, the rotating pins 8 are arranged in the circular grooves 7, two ends of each rotating pin 8 are fixedly connected with the inner walls of the limiting chutes 4 respectively, the rotating blocks 6 are rotatably connected with the rotating pins 8, and the top end faces of the rotating blocks 6 are attached to the bottom end faces of the limiting blocks 5;

the positioning mechanism comprises a first magnetic block 11, a fixed sleeve 12, a balancing weight 15, a sliding block 16, a second magnetic block 17, a connecting rod 18 and a turntable 19, both sides of the top end surface of the inner cavity of the shell 1 are fixedly connected with a fixed sleeve 12, both side end surfaces of the inner cavity of the fixed sleeve 12 are provided with vertical sliding chutes 13, the inner wall of the fixed sleeve 12 at the top of the vertical sliding chutes 13 is provided with an annular sliding chute 14, the annular chute 14 is communicated with the limiting chute 4, the inner wall of the fixed sleeve 12 is connected with the balancing weight 15 in a sliding way, the end surface of the bottom of the balancing weight 15 is fixedly connected with a second magnetic block 17, the end surfaces of the two sides of the balancing weight 15 are both fixedly connected with sliding blocks 16, the two sliding blocks 16 are respectively connected with the two vertical sliding chutes 13 in a sliding way, the center of the top end face of the balancing weight 15 is fixedly connected with a connecting rod 18, and the top end of the connecting rod 18 penetrates through the top end face of the shell 1 and is fixedly connected with the bottom end face of the turntable 19;

the mounting mechanism comprises a fixing groove 22, a fixing block 24, a screw 26, a second spring 27, a T-shaped rod 28 and a third spring 29, the top end surface of the mounting plate 2 is provided with four screw holes 23, the bottom end surface of the mounting plate 2 is provided with four fixing grooves 22, the top end surface of the printing plate 3 is fixedly connected with four fixing blocks 24, the four fixing blocks 24 are respectively connected with four fixing grooves 22 in a sliding manner, the top end surfaces of the four fixing blocks 24 are provided with thread grooves 25, four screw rods 26 are provided, four screw rods 26 respectively penetrate through four screw holes 23 and extend into four screw grooves 25, the bottom of the screw rod 26 is provided with an inner cavity, the top end surface of the inner cavity of the screw rod 26 is fixedly connected with a second spring 27, the bottom end of the second spring 27 is fixedly connected with the top end of the T-shaped rod 28, and the bottom end of the T-shaped rod 28 penetrates through the bottom end of the screw rod 26 and is attached to the bottom end face of the thread groove 25.

An opening 31 is formed in the center of the top end face of the shell 1, and the size of the opening 31 is matched with that of the mounting plate 2, so that the use is convenient; a torsion spring 9 is sleeved on the rotating pin 8, the other end of the torsion spring 9 is fixedly connected with the inner wall of the circular groove 7, and the circular groove 7 penetrates through the rotating block 6 to facilitate rotation; mounting grooves 10 are formed in two sides of the bottom end face of the inner cavity of the shell 1, first magnetic blocks 11 are fixedly connected in the two mounting grooves 10, and the first magnetic blocks 11 are matched with second magnetic blocks 17 so as to fix paper conveniently; the connecting rod 18 is sleeved with a first spring 20, the bottom end of the first spring 20 is fixedly connected with the top end face of the balancing weight 15, the top end of the first spring 20 is fixedly connected with the top end of the inner cavity of the fixed sleeve 12, and the sliding block 16 is matched with the annular sliding groove 14 and is convenient to connect; the two sides of the top end face of the shell 1 are provided with round holes 21, the two round holes 21 are respectively connected with the two connecting rods 18 in a sliding manner, and the bottom end of the fixed sleeve 12 is provided with a through hole 33 for facilitating connection; the handle 30 is fixedly connected to the top end face of the mounting plate 2, and the baffle 32 is fixedly connected to the right side of the bottom end face of the inner cavity of the shell 1, so that paper can be limited conveniently; the number of the screw holes 23 is four, the four screw holes 23 are distributed on the top end face of the mounting plate 2 in a rectangular array mode, and the bottom ends of the four screw holes 23 are respectively communicated with the four fixing grooves 22 so as to be convenient to connect; the top end of the T-shaped rod 28 is slidably connected with the inner cavity of the screw rod 26, the bottom end of the T-shaped rod 28 is sleeved with a third spring 29, the top end of the third spring 29 is fixedly connected with the bottom end of the screw rod 26, and the bottom end of the third spring 29 is attached to the bottom end face of the threaded groove 25, so that the connection is facilitated; the screw hole 23 is matched with the thread groove 25, and the screw rod 26 is in threaded connection with both the screw hole 23 and the thread groove 25, so that connection is facilitated.

When the printing plate is used, the electric elements appearing in the application are externally connected with a power supply and a control switch, the printing plate 3 at the bottom of the mounting plate 2 is driven to move downwards by pressing the handle 30 to print a Chinese character mi grid on paper, the sliding connection between the limiting blocks 5 fixedly connected with the two sides of the mounting plate 2 and the limiting sliding chutes 4 avoids the situation that the printing plate 3 shakes and misplaces when printing downwards, which leads to poor printing effect, the elastic potential energy of the torsional spring 9 keeps the rotating block 6 horizontal, so that the rotating block 6 can jack up the limiting blocks 5 under the condition of no external force, thereby the mounting plate 2 can be supported when the printing plate 3 is not used, the paper entering the shell 1 is limited by the stop block arranged at one side of the inner cavity of the shell 1, the counter weight 15 is pushed downwards to compress and position the paper by the elastic potential energy of the first spring 20, meanwhile, the second magnetic block 17 at the bottom end of the balancing weight 15 and the first magnetic block 11 are attracted and attached, the situation that printing quality is reduced due to dislocation of paper during printing is further avoided, when the counter weight is not used, the balancing weight 15 is driven to move upwards by pulling the rotary disc 19 upwards, the sliding block 16 is further driven to move upwards until the sliding block is adapted to the annular sliding groove 14, the rotary disc 19 is rotated, the sliding block 16 can be fixed after entering the annular sliding groove 14, the balancing weight 15 is further fixed, the use is convenient, the mounting plate 2 is convenient to be initially attached to the printing plate 3 through the sliding connection of the fixing block 24 and the fixing groove 22, the mounting plate 2 enters the screw hole 23 and the thread groove 25 through the screw rod 26, the mounting plate 2 and the printing plate 3 are further fixed, the screw rod 26 is continuously rotated, the first spring 20 and the second spring 27 are compressed, and under the action of elastic potential energy of the first spring 20 and the second spring 27, and then make screw rod 26 and thread groove 25 be connected inseparabler to make mounting panel 2 and printing plate 3 thoroughly install fixedly, be convenient for the staff to the installation of printing plate 3 after printing plate 3 damages and dismantle.

The application has the advantages that:

1. according to the printing plate printing device, the printing plate at the bottom of the mounting plate is driven to move downwards by pressing the handle to print the paper in a grid shape, the limiting blocks fixedly connected to the two sides of the mounting plate are connected with the limiting chutes in a sliding mode, so that the printing plate is prevented from shaking and dislocating during downward printing, and poor printing effect is avoided;

2. according to the paper pressing and fixing device, paper entering the shell is limited through the stop block arranged on one side of the inner cavity of the shell, the counter weight block is pushed downwards to press and position the paper through the elastic potential energy of the first spring, meanwhile, the second magnetic block at the bottom end of the counter weight block is attached to the first magnetic block in an absorption mode, the situation that the printing quality of the paper is reduced due to dislocation during printing is further avoided, when the paper pressing and fixing device is not used, the counter weight block is driven to move upwards by upwards pulling the rotary table until the sliding block is adapted to the annular sliding groove, the rotary table is rotated, the sliding block can be fixed after entering the annular sliding groove, and the counter weight block is fixed and convenient to use;

3. this application passes through the sliding connection of fixed block and fixed slot, be convenient for mounting panel and printing plate preliminary laminating, get into among screw and the thread groove through the screw rod, make mounting panel and printing plate further fixed, continuously rotate the screw rod, make first spring and second spring compression, the effect through the elastic potential energy of first spring and second spring, and then make the screw rod be connected inseparabler with the thread groove, thereby make mounting panel and printing plate thoroughly the erection fixed, the staff of being convenient for is dismantled the installation of printing plate after the printing plate damages.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a primary school's chinese rice word check frame device which characterized in that: the printing device comprises a shell (1), a printing mechanism, a positioning mechanism and an installation mechanism, wherein an installation plate (2) is arranged in the center of an inner cavity of the shell (1), and a printing plate (3) is fixedly installed on the bottom end face of the installation plate (2);

the printing mechanism comprises a printing plate (3), a limiting chute (4), a limiting block (5), a rotating block (6), a rotating pin (8) and a torsion spring (9), the front end face and the rear end face of the inner cavity of the shell (1) are both provided with a limiting sliding chute (4), the front side and the rear side end face of the mounting plate (2) are fixedly connected with limit blocks (5), the limiting blocks (5) are connected with the limiting sliding chutes (4) in a sliding manner, the two limiting sliding chutes (4) are respectively provided with a rotating block (6), the two rotating blocks (6) are respectively provided with a circular groove (7), a rotating pin (8) is arranged in the circular groove (7), two ends of the rotating pin (8) are respectively and fixedly connected with the inner wall of the limiting sliding groove (4), the rotating block (6) is rotatably connected with the rotating pin (8), and the top end face of the rotating block (6) is attached to the bottom end face of the limiting block (5);

the positioning mechanism comprises a first magnetic block (11), a fixing sleeve (12), a balancing weight (15), sliders (16), a second magnetic block (17), a connecting rod (18) and a rotary table (19), wherein the fixing sleeve (12) is fixedly connected to two sides of the end surface of the top of the inner cavity of the shell (1), vertical sliding grooves (13) are formed in the end surfaces of two sides of the inner cavity of the fixing sleeve (12), annular sliding grooves (14) are formed in the inner wall of the fixing sleeve (12) at the tops of the vertical sliding grooves (13), the annular sliding grooves (14) are communicated with the limiting sliding grooves (4), the inner wall of the fixing sleeve (12) is in sliding connection with the balancing weight (15), the second magnetic block (17) is fixedly connected to the end surface of the bottom of the balancing weight (15), the sliders (16) are fixedly connected to the end surfaces of two sides of the balancing weight (15), and the two sliders (16) are respectively in sliding connection with the two vertical sliding grooves (13), the center of the top end face of the balancing weight (15) is fixedly connected with a connecting rod (18), and the top end of the connecting rod (18) penetrates through the top end face of the shell (1) and is fixedly connected with the bottom end face of the turntable (19);

the mounting mechanism comprises fixing grooves (22), fixing blocks (24), screw rods (26), second springs (27), T-shaped rods (28) and third springs (29), four screw holes (23) are formed in the top end face of the mounting plate (2), four fixing grooves (22) are formed in the bottom end face of the mounting plate (2), four fixing blocks (24) are fixedly connected to the top end face of the printing plate (3), the four fixing blocks (24) are respectively in sliding connection with the four fixing grooves (22), thread grooves (25) are formed in the top end faces of the four fixing blocks (24), the screw rods (26) are four, the four screw rods (26) penetrate through the four screw holes (23) respectively and extend into the four thread grooves (25), an inner cavity is formed in the bottom of the screw rods (26), and the second springs (27) are fixedly connected to the top end faces of the inner cavities of the screw rods (26), the bottom end of the second spring (27) is fixedly connected with the top end of the T-shaped rod (28), and the bottom end of the T-shaped rod (28) penetrates through the bottom end of the screw rod (26) to be attached to the bottom end face of the threaded groove (25).

2. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the top end face center of the shell (1) is provided with an opening (31), and the size of the opening (31) is adapted to the size of the mounting plate (2).

3. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the rotating pin (8) is sleeved with a torsion spring (9), the other end of the torsion spring (9) is fixedly connected with the inner wall of the circular groove (7), and the circular groove (7) penetrates through the rotating block (6).

4. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the magnetic field generator is characterized in that mounting grooves (10) are formed in two sides of the end face of the bottom of an inner cavity of the shell (1), first magnetic blocks (11) are fixedly connected into the mounting grooves (10), and the first magnetic blocks (11) are matched with the second magnetic blocks (17).

5. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the connecting rod (18) is sleeved with a first spring (20), the bottom end of the first spring (20) is fixedly connected with the top end face of the balancing weight (15), the top end of the first spring (20) is fixedly connected with the top end of the inner cavity of the fixed sleeve (12), and the sliding block (16) is matched with the annular sliding groove (14).

6. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the top end face of the shell (1) is provided with round holes (21) on two sides, the round holes (21) are connected with the two connecting rods (18) in a sliding mode respectively, and the bottom end of the fixing sleeve (12) is provided with a through hole (33).

7. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the top terminal surface fixedly connected with handle (30) of mounting panel (2), bottom terminal surface right side fixedly connected with baffle (32) of shell (1) inner chamber.

8. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the screw holes (23) are four, the screw holes (23) are distributed on the top end face of the mounting plate (2) in a rectangular array mode, and the bottom ends of the screw holes (23) are communicated with the four fixing grooves (22) respectively.

9. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the top end of the T-shaped rod (28) is connected with the inner cavity of the screw rod (26) in a sliding mode, a third spring (29) is sleeved at the bottom end of the T-shaped rod (28), the top end of the third spring (29) is fixedly connected with the bottom end of the screw rod (26), and the bottom end of the third spring (29) is attached to the end face of the bottom of the threaded groove (25).

10. The primary school chinese mi-character lattice frame device according to claim 1, wherein: the screw hole (23) is matched with the thread groove (25), and the screw rod (26) is in threaded connection with both the screw hole (23) and the thread groove (25).

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