CN207370324U - A kind of books fixed structure for desk - Google Patents

Abstract

The utility model belongs to study article technical field, more particularly to a kind of books fixed structure for desk, including desk main body, further include the books fixed cell being arranged in the desk main body, the books fixed cell, which stretches, to be arranged in the desk main body, the books fixed cell includes fixed frame, the geometrical clamp being arranged on the fixed frame and the fixed cell stent for being telescopically connected with the desk main body, and the fixed cell top plate covered when withdrawing the desk body interior for the books fixed cell is equipped with above the fixed frame.The utility model can neatly fix various books, the utility model have it is simple in structure effectively, fixation is flexibly adjustable and the advantages of economical easily popularization.

Description

A kind of books fixed structure for desk

Technical field

The utility model belongs to study article technical field more particularly to a kind of books fixed structure for desk.

Background technology

Desk is one of indispensable learning tool of student and student time of contact longest article pendulum among one day If the usage comfort of desk, functionality and safety and reliability directly affect numerous teachers and students and parent to the comprehensive of desk Close evaluation.Existing desk mainly provides the platform of study rest and storage books stationery etc. to student, there are function it is single, The problem of using effect is poor, the scope of application is small and is not easy to promote.

The Chinese utility model patent that patent publication No. is 204599794 U of CN, publication date is 2015.09.02 discloses A kind of novel desk including desktop, table hole and table leg, sets a U-shaped book end baffle on desktop, the U-shaped book end baffle Base is flushed with the back edge of desktop, and the two sides of the U-shaped book end baffle flush respectively with two sides of desktop；The U Type book end baffle madial wall sets a pen container；Table hole is fixedly connected with table hole baffle by folding, and lock, table hole are set on the baffle of table hole Side fixed hook；Table leg is divided into strut and pedestal, and strut is fixedly connected with pedestal by up and down screw.

But there are the problem of the functional difference of desk and low usage comfort in the utility model.

Utility model content

The purpose of this utility model is to provide a kind of books fixed structure for desk, can neatly fix various books This, the utility model have it is simple in structure effectively, fixation flexibly it is adjustable and it is economical easily popularization the advantages of.

The utility model solve the above problems the technical solution adopted is that：A kind of books fixed structure for desk, bag Desk main body is included, further includes the books fixed cell being arranged in the desk main body, the books fixed cell stretches setting In the desk main body.It is fixed to cause that the desk has the function of that books facilitate in the setting so that the work(of the desk Can the needs of student more be bonded comprehensively, further improve the scope of application of the desk.

Further preferred technical solution is：The books fixed cell includes fixed frame, is arranged on the fixed frame On geometrical clamp and for the desk main body be telescopically connected and the books fixed cell pull-out after with the desk The fixed cell stent that main body connects and fixes, the fixed frame top is equipped with withdraws the desk for the books fixed cell The fixed cell top plate covered during body interior.Fixed frame described in the setting is consolidated from the front cover of books and back cover /V Agreement sheet, the geometrical clamp clamp the books after opening after stretching, fix books from the /V of books inside two sides, ensure that books The validity of fixed function and flexibility.

Further preferred technical solution is：The fixed frame is articulated and connected with the fixed cell stent, described solid Determine frame and be equipped with the fixed frame /V for carrying out rotary stopper for the fixed frame with bulb clamping on the fixed cell stent Portion, the fixed frame limiting section are separately positioned on the fixed frame both ends on two sides of the fixed cell stent. Fixed frame limiting section described in the setting opens rear-inclined to meet student for rotating and fixing the fixed frame for books The different demands of angle, and cause the fixed frame that there is certain support fixing intensity, to meet the books of different weight Fixation.

Further preferred technical solution is：The fixed frame limiting section includes limiting section main body, is arranged on the limit The position portion main body back side adjusts the limiting section bullet that the fixed frame limiting section protrudes distance by withstanding on the fixed frame side Spring, the limiting section main body are equipped with and the corresponding limited block of bulb on the fixed cell stent.Described in the setting Fixed frame limiting section during tilt adjustment by compress the limiting section spring with adjust the limiting section main body with it is described The distance between bulb on fixed cell stent, the limiting section spring is loose after fixed frame lower end Student oriented, which rotates, to rise It opens the fixed frame to be stuck by the limited block, the fixed frame is avoided to be rotated down to influence books fixed effect.

Further preferred technical solution is：The geometrical clamp is to be separately positioned on two side position of fixed frame lower end Two rotatable jags, the geometrical clamp include be used to support the geometrical clamp main shaft of books and for being pressed in from both sides The bookish geometrical clamp collet opened.

Further preferred technical solution is：The fixed frame includes fixed frame mainboard and is arranged on the fixed frame Mainboard both sides are used for the fixed frame connecting plate being connected with the fixed cell stent, and the both sides vertex angle part of the fixed frame mainboard is set It is useful for the spine fixed part of fixed spine.

Further preferred technical solution is：The spine fixed part include for book page turning it is less when Unscrew The first spine fixinig plate concordant with the fixed frame mainboard and for book page turning it is more when the Unscrew and fixation The second concordant spine fixinig plate of frame mainboard.In the setting when book page turning is less, the books of non-page turning together with back cover with Page turning is partially separated that degree is larger near right angle, and the first spine fixinig plate Unscrew is concordant with the fixed frame mainboard And the second spine fixinig plate is not opened, with the first spine fixinig plate formed right angle fixed structure, with page turning it is less when The structure laminating degree of books is high, further improves the fixed effect of the books fixed cell, similar works as book page turning The second spine fixinig plate is opened when more and the first spine fixinig plate is fixed, opening number of pages when books connects When being bordering on books total page number half, described can be opened simultaneously or is closed according to the size of books spine portion thickness One spine fixinig plate and the second spine fixinig plate to meet the fixation of thicker or relatively thin books, further improve The scope of application of the books fixed cell.

Further preferred technical solution is：The fixed cell top plate passes through top plate connecting portion and the fixed frame master Sleeve-board connects, and the top plate connecting portion includes being arranged on master collet inside the fixed frame mainboard, is arranged on the fixed cell Branch sleeve on top plate lower face, the protrusion column being arranged in the sleeve of the fixed frame mainboard and it is arranged on the connection Connecting spring between sleeve and the master collet bottom surface, the branch sleeve outer circumferential surface are equipped with clamping bulb, the main set Cylinder side wall is equipped with buckling groove and /V bulb.In the setting when the books fixed cell needs to open, press described Fixed cell top plate causes the clamping bulb to engage with the buckling groove, the prominent column protrusion fixed cell top plate with The entire books fixed cell opening is carried into convenient for passing through convex section so that the fixed cell stent is in the desk master Sliding groove on body slides into block chalaza, completes fixation；When the books fixed cell need withdraw when manual pull-up institute State fixed cell top plate so that it is described clamping bulb skid off from the buckling groove and fixed by the /V bulb, then The withdrawal action that the books fixed cell can be completed in the fixed cell stent is pressed downwards.

The utility model can neatly fix various books, and the utility model has simple in structure effective, fixation spirit Living adjustable and economic the advantages of easily promoting.

Description of the drawings

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the structure diagram of books fixed cell in the utility model.

Fig. 3 is the structure diagram of fixed frame limiting section in the utility model.

Fig. 4 is the structure diagram of spine fixed part in the utility model.

Fig. 5 is the structure diagram of top plate connecting portion in the utility model.

Fig. 6 is the structure diagram that stationery places unit in the utility model.

Fig. 7 is the use schematic diagram that stationery places unit in the utility model.

Fig. 8 is to use schematic diagram when stationery places unit bottom cleaning and takes out smaller stationery in the utility model.

Fig. 9 is the structure diagram that unit connecting portion is placed in the utility model.

Figure 10 is the structure diagram that unit opening and closing part is placed in the utility model.

Figure 11 is the structure diagram of correcting sitting posture unit in the utility model.

Figure 12 is the scheme of installation that bar is corrected in the utility model.

Figure 13 is the structure diagram of writing case latch portion in the utility model.

Figure 14 is view when each action cell of the utility model opens work completely.

Figure 15 is view when each action cell of the utility model packs up closing.

Specific embodiment

As described below is only the preferred embodiment of the utility model, and not the scope of the utility model is defined.

Embodiment：As shown in attached drawing 1,2,3,4,5,6,7,8,9,10,11,12,13,14 and attached drawing 15, one kind is used for The books fixed structure of desk, including desk main body 1, further include be arranged in the desk main body 1 books fixed cell 2, Stationery places unit 3 and correcting sitting posture unit 4, and the books fixed cell 2 and stationery place that unit 3 is flexible to be arranged on institute It states in desk main body 1, the correcting sitting posture unit 4 is arranged on inside the desk main body 1 so that the desk has book simultaneously This facilitates the function fixed, stationery flexibly places and sitting posture of student effectively corrects, nowadays neater to desk functional requirement It is complete effectively, sitting posture of student is rectified and in the environment of body healthy growth more payes attention to, the function of the desk is more comprehensive And the needs of student are bonded, further improve the scope of application of the desk.

The books fixed cell 2 includes fixed frame 201, the geometrical clamp 202 being arranged on the fixed frame 201 and uses In being telescopically connected with the desk main body 1 and connected and fixed simultaneously with the desk main body 1 after the books fixed cell 2 pull-out Fixed cell stent 203,201 top of the fixed frame is equipped with withdraws the desk master for the books fixed cell 2 The fixed cell top plate 204 covered during 1 inside of body, the fixed frame 201 are fixed from the front cover of books and back cover /V Books, the geometrical clamp 202 clamp the books after opening after stretching, fix books from the /V of books inside two sides so that books The stabilization that can be kept open when opening, ensure that validity and the flexibility of books fixed function.

The fixed frame 201 is articulated and connected with the fixed cell stent 203, the fixed frame 201 be equipped with it is described The clamping of bulb 20301 carries out the fixed frame limiting section 205 of rotary stopper for the fixed frame 201 on fixed cell stent 203, The fixed frame limiting section 205 is separately positioned on 201 both ends of fixed frame close to two sides of the fixed cell stent 203 On face, the fixed frame limiting section 205 opens hypsokinesis to meet student for rotating and fixing the fixed frame 201 for books The different demands of rake angle avoid user and endanger the healthy shape of neck and chest due to the unsuitable angle of inclination of books Condition, and cause the fixed frame 201 that there is certain support fixing intensity, to meet the fixation of the books of different weight. The fixed frame limiting section 205 includes limiting section main body 20501, is arranged on 20501 back side of limiting section main body by withstanding on The limiting section spring that the fixed frame limiting section 205 protrudes distance, the limiting section master are adjusted on 201 side of fixed frame Body 20501 be equipped with the 20301 corresponding limited block 20502 of the bulb on the fixed cell stent 203, it is described solid Determine frame limiting section 205 during tilt adjustment by compressing the limiting section spring to adjust the limiting section main body 20501 With the distance between bulb on the fixed cell stent 203, convenient for the rotation of the fixed frame 201, when the fixed frame 201 The limiting section spring is released the fixed frame 201 and passes through 20502 quilt of limited block after Student oriented rotation in lower end is risen It is stuck, the fixed frame 201 is avoided to be rotated down to influence books fixed effect, the limited block 20502 can be along rotation The fixture block of the inclined right angle trigonometry column of opening direction can also be rectangle fixture block, the quantity and Individual Size of the fixture block and Mutual distance is important one that the fixed frame 201 rotates limit and running accuracy, more total length biggers The limited block 20502 enable the angle of the 201 Unscrew bigger of fixed frame, and the limiting section of identical arc length When more limited blocks 20502 are uniformly distributed in main body 20501, the fixed frame 201 has more accurate rotation minimum Unit more meets the most rational books angle of inclination of optimum of user.

The geometrical clamp 202 is two rotatable protrusions for being separately positioned on 201 lower end of fixed frame, two side position End, the geometrical clamp 202 include being used to support the geometrical clamp main shaft 20201 of books and for being pressed in open books from both sides On geometrical clamp collet 20202, the geometrical clamp main shaft 20201 is fixed from the lower part for the books that open, and under Be fixed in the middle part of end face, thus to the width of books there is no limit, wider or relatively narrow books can be fixed effectively, into One step improves the use scope of the geometrical clamp 202.The fixed frame 201 includes fixed frame mainboard 20101 and is arranged on 20101 both sides of fixed frame mainboard are used for the fixed frame connecting plate 20102 being connected with the fixed cell stent 203, described The both sides vertex angle part of fixed frame mainboard 20101 is equipped with to fix the spine fixed part 206 of spine, the fixed frame mainboard Although the height of 20101 length generally less than books, due to being carried out at the lower face of books and lower part spine Effective fixation is so still can guarantee effective fixation of the books to open.

The spine fixed part 206 include for book page turning it is less when Unscrew and the fixed frame mainboard 20101 Concordant the first spine fixinig plate 20601 and for book page turning it is more when the Unscrew and fixed frame mainboard 20101 The second concordant spine fixinig plate 20602.When book page turning is less, the books of non-page turning are together with back cover and page turning part point It is larger from degree near right angle, 20601 Unscrew of the first spine fixinig plate is concordant with the fixed frame mainboard 20101 And the second spine fixinig plate 20602 is not opened, and right angle fixed structure is formed with the first spine fixinig plate 20601, with The structure laminating degree of books is high when page turning is less, further improves the fixed effect of the books fixed cell 2, similar The second spine fixinig plate 20602 is opened when book page turning is more and the first spine fixinig plate 20601 fix it is not right , the first spine fixinig plate 20601 formed with the 20101 and second spine fixinig plate 20602 of fixed frame mainboard The right angle position that the right-angle structure formed with book page turning when more fastens, when books open number of pages close to books total page number During half, the first spine fixinig plate can be opened simultaneously or is closed according to the size of books spine portion thickness 20601 and the second spine fixinig plate 20602, i.e., opened simultaneously when books are thicker the first spine fixinig plate 20601 with And the second spine fixinig plate 20602, the spine fixed structure of a bigger is provided, when books are relatively thin, is closed at described One spine fixinig plate 20601 and the second spine fixinig plate 20602 form a smaller spine fixing groove, spine are stuck in To ensure fixed effect in the fixing groove, the spine fixed part 206 can meet the fixation of thicker or relatively thin books, Further improve the scope of application of the books fixed cell 2.

The fixed cell top plate 204 is socketed by top plate connecting portion 207 and the fixed frame mainboard 20101, the top Plate connecting portion 207 includes being arranged on master collet 20701 inside the fixed frame mainboard 20101, is arranged on the fixed cell Branch sleeve 20702 on 204 lower face of top plate, the protrusion column 20703 being arranged in the sleeve of the fixed frame mainboard 20101 And it is arranged on the connecting spring 20704 between 20701 bottom surface of the branch sleeve 20701 and the master collet, the connection 20701 outer circumferential surface of sleeve is equipped with clamping bulb 20705, and 20701 side wall of master collet is equipped with buckling groove 20706 and limit Position bulb 20707.When the books fixed cell 2 needs to open, the fixed cell top plate 204 is pressed so that the clamping Bulb 20705 engages with the buckling groove 20706, and the prominent column 20703 protrudes the fixed cell top plate 204 in order to logical It crosses convex section and the entire books fixed cell 2 has been carried into opening without any other opening instrument, improve described The usage comfort of desk, and sliding groove of the fixed cell stent 203 in the desk main body 1 is caused to slide into engaging Point completes fixation；When the books fixed cell 2 need withdraw when fixed cell top plate 204 described in manual pull-up so that The clamping bulb 20705 is skidded off from the buckling groove 20706 and fixed by the /V bulb 20707, then to Under press the fixed cell stent 203 can be completed the books fixed cell 2 withdrawal action, correspondingly, described solid When determining unit rack 203 and opening up, the bracket track in the desk main body 1 is equipped with for the fixed cell stent 203 fix the wedging position of support to ensure the stability of the books fixed cell 2, and the fixed cell top plate 204 is used for The opening between the books fixed cell 2 and the desk main body 1 is filled up, ensure that the globality of the desk, further Improve the complete appearance degree and usage experience of desk.

The stationery, which places unit 3, to be included placing unit base 301, is arranged on and described places putting in unit base 301 Put unit column 302 and the admission extinguisher 303 being arranged on inside the desk main body 1, it is described place unit column 302 with it is described Be equipped with to adjust height between admission extinguisher 303 places unit connecting portion 304.It is placed described in two between unit column 302 Be equipped with successively from the bottom up bottom spacing ring 305, middle part take put ring 306, high portion takes and puts ring 307 and top closure 308, described Top closure 308 is equipped with places unit opening and closing part 309 for what stationery described in pull-up placed unit 3, and the middle part, which is taken, puts ring 306th, high portion take put ring 307 and the bottom spacing ring 305 and place formed between unit base 301 it is convenient from the stationery The stationery such as different length class are placed in the both sides for placing unit 3, further improve the applicable model that the stationery places unit 3 It encloses, the bottom spacing ring 305 avoids a class text for being fixed from the lower part of longer or shorter pen stationery Tool, which slides or even skids off the stationery, places unit 3.The bottom spacing ring 305 and the shape between placing unit base 301 3010 are begun to speak into for being convenient to clean and taking out the unit bottom that places of smaller stationery.In the use of existing pen container class stationery In the process, the plasticine and other smile impurity dirts that pen container bottom is nuzzled up due to open pen core pigment pollution, rubber hold Easily occur accumulation of mud, it is described place unit bottom begin to speak 3010 ensure place stablize in the case of have pen container bottom it is easily clear The advantages of reason, the tiny stationery in another aspect pen container bottom, such as clip, cap for brush etc. are used to be reached with hand in existing pen container Less than, the use difficulty and complexity of existing pen container can only be taken out therefore increase significantly by reversing pen container, it is described to place Unit bottom begin to speak 3010 with the stationery place unit 3 pull out and more than the desk plane when can carry out easily bottom Portion clears up and the taking-up of tiny stationery so that the stationery places the practicability of unit 3 and ease for use greatly improves.

The middle part, which is taken, puts ring 306 and described place forms between unit base 301 to place moderate-length stationery Space is placed, the middle part, which is taken, puts ring 306 to be arranged on the semi-ring placed described in two between unit column 302；The high portion It takes and puts ring 307 and described place forms the space that places for placing the larger stationery of length, the height between unit base 301 Portion takes that put ring 307 be to be arranged on the semi-ring placed between unit column 302, and takes with the middle part and to put ring 306 and distinguish Positioned at the both sides that unit column 302 is placed described in two, the middle part, which is taken, puts ring 306 and high portion takes that put ring 307 be semi-ring, So that the stationery places unit 3 and has the characteristics of simple and compact for structure, to save material, and by the pen stationery of different length It is picked and placeed from two symmetrical different directions, further improve different length pen stationery places space, facilitates a class Stationery picks and places.It is described place unit connecting portion 304 and include being arranged on described place put on 302 lateral surface of unit column with described Put the corresponding first /V bulb 30401 in 301 position of unit base, with 305 position of bottom spacing ring corresponding the Two /V bulbs 30402, for what is be fixed with the first /V bulb 30401 and the second /V bulb 30402 Fixed groove group 30403 and place the fixation concave ring group that is fixed and rotates after unit column 302 pulls out for described 30404.When the stationery places 3 normal use of unit so that the first /V bulb 30401 and the second /V bulb 30402 to engage with having there are two the fixed concave ring group 30404 of corresponding concave ring, at this time the bottom spacing ring 305 Upper surface is concordant with the upper surface of the desk main body 1 and ensures that the stationery places protrusion and the fixation of unit 3, works as institute Stating stationery and placing unit 3 needs to carry out bottom cleaning or such as rubber when small-sized stationery takes out, by first spacing ball First 30401 as the stationery places the pull-out of unit 3, concave ring is fixed at the middle and upper levels with the fixed concave ring group 30404, makes It is described place that unit base 301 is concordant with the desk main body 1, the taking-up or the stationery for completing small-sized stationery place list The cleaning work of member 3, the stationery places unit 3 and remains unchanged vertical with the desk main body 1 and fix during which carries out, It avoids the stationery and places the problem of unit 3 is because of loss after extraction or by breakage.

The unit opening and closing part 309 that places includes the opening and closing part opening 30901 being arranged on the top closure 308, sets Put it is described place between unit column 302 close to the top closure 308 opening and closing part pedestal 30902 and be arranged on described The opening and closing part block 30903 of the switch of opening and closing part opening 30901 is controlled on opening and closing part pedestal 30902 for rotation.The top It is equipped between portion's capping 308 and the opening and closing part pedestal 30902 and rotates and bounce to be closed for the opening and closing part block 30903 The resetting spring 30904 of the opening and closing part opening 30901, the resetting spring 30904 are arranged on described open by spring pocket axis On conjunction portion pedestal 30902, when it is described place unit opening and closing part 309 need open when, push the opening and closing part block 30903 and The stationery is placed unit 3 by rotational slide to open the opening and closing part opening 30901 on 308 lower face of top closure It is triggered with finger, completes the opening action that the stationery places unit 3；When the stationery, which places unit 3, to be needed to be retracted closing, The opening and closing part block 30903 is rotated so that the opening and closing part opening 30901 rotates to correspondence by the opening and closing part block 30903 It bounces to close at interface position, then pushes the entire stationery and place unit 3, on the other hand, also preferably meet The globality requirement of the desk main body 1 avoids the occurrence of perforate fluting etc. to influence the usage comfort of the desk and appearance The engaging that integrity degree and the stationery place unit 3 need not borrow other stage property articles, improve the user of the desk Just property and the manufacture cost of the desk is reduced.

The correcting sitting posture unit 4 includes the correcting unit mounting base being fixed on the 1 inside top face of desk main body 401st, correcting unit stent 402, the correction bar portion 403 that is arranged on the correcting unit stent 402 and it is arranged on described On 1 inside top face of desk main body and close to the correcting unit occlusion part 404 of outer fix.The correction bar portion 403 is in institute It states to slide on correcting unit stent 402 and pull out, the open-top correcting unit occlusion part 404 is described strong to when being completely pulled out, opening Positive bar portion 403 is allowed to correcting sitting posture part and is erected at the edge of the desk main body 1 and positioned at the front of user, completes to sit Appearance correcting.

The correction bar portion 403 includes the bar portion pedestal being slidably connected with the correcting unit stent 402 40301st, correct bar 40302 and bar mounting post 40303, the bar mounting post 40303 are hinged on bar portion bottom One end of seat 40301 is simultaneously connected by reduction torsion spring, and the material of the correction bar 40302 is elastic material, avoids use Person is rested in the correction bar portion 403 due to wrong depending on unduly for sitting posture and the function of correcting sitting posture is reduced very To failure.Bar portion pedestal 40301 includes two sliding blocks that lower face is equipped with sliding groove, is set between two sliding blocks It is useful for placing the writing case 405 of the stationery such as diary, the writing case 405 can also be used to place the valuables such as mobile phone wallet Product further improve the functionality of the desk.

Correction bar 40302 both ends be equipped with the bar fixing groove 40304 in the bar mounting post 40303 and The 40305 corresponding bar end face perforate of bar limited post, the cross sectional shape of the bar limited post 40305 is rectangle or three Angular, the correction bar 40302 is fixed and stuck in the bar mounting post 40303 so that the correction bar 40302 Cannot rotate, avoid the student of the especially teenage user of user due to curiosity to the correction bar 40302 into On the other hand the unnecessary rotation of row is also avoided that the correction bar to influence the service life of learning effect and the desk Since rotary motion is involved in clothing accident occurs for clearance position between 40302 both ends and the bar fixing groove 40304.

The bar mounting post 40303 is equipped with to add the mounting post spiro union portion of correction 40302 height of bar 40306, the correction bar 40302 is as the height of the mounting post spiro union portion 40306 is adjusted and adapts to different height conditions User, further improve the use scope of the desk.

The correcting unit occlusion part 404 includes shutter 40401 and shutter fixed seat 40402, the shutter Fixed seat 40402 is equipped with the torsional spring for rotating simultaneously /V inwards for the shutter 40401 and fixing the correction bar portion 403 40403, the shutter 40401 is used to covering the correcting sitting posture unit 4 to improve the globality of the entire desk and outer Integrity degree is seen, and it is to keep properly to state writing case 405 described in cooperation to complete article.

Bar portion pedestal 40301 is equipped with to be used when the correction bar portion 403 pulls out and at right angles state is opened In the shutter stuck point 40404 being against on the shutter 40401, the shutter stuck point 40404 is installed for the bar Hinged place between column 40303 and bar portion pedestal 40301 ensures the bar mounting post 40303 can be perpendicular to institute Bar portion pedestal 40301 will not surprisingly be drawn because of the reduction torsion spring of hinged place on the premise of stating desk main body 1 Go out so that the correction bar portion 403 can normal upright opening and holding plumbness.

The shutter fixed seat 40402, which is equipped with, to be rotated to control the stationery by shutter described in folding 40401 The writing case latch portion 406 that case 405 pulls out, the writing case latch portion 406 is for user's especially student group to diary Etc. secrets article safekeeping, control the folding of the writing case 405 by opening and closing the shutter 40401.

The writing case latch portion 406 includes being arranged on 40401 installation axle of shutter and the shutter fixed seat Lock catch block 40601 between 40402 and the lock catch block pedestal 40602 equipped with lock catch block spring, the shutter fixed seat It is equipped in 40402 and slides that the shutter 40401 is controlled to rotate the lock catch block sliding slot opened for the lock catch block 40601 40603, the lock catch block 40601, which is equipped with to merge from external card, slides the lock catch block 40601 with the groove 40604 of unlatching. The unlatching when the unlocking key insertion lock catch block sliding slot 40603 for the writing case latch portion 406 in the setting Unlatching stuck point 40605 on the key is avoided being used to prevent the lock catch block 40601 by outside mistake in the lock catch block sliding slot 40603 The /V stuck point 40606 that degree stretches in order to relatively labor-saving is inserted into, and the /V stuck point 40606 can also coordinate the unlocking key It is upper to be used to prevent the unlocking key from accidentally slipping out and losing in an inserted condition.

The cross sectional shape of the lock catch block 40601 is rectangle or triangle.Lock catch block 40601 is used for described in the setting In the case where the writing case latch portion 406 is closed state the shutter 40401 is forbidden to rotate, so the lock catch block 40601 need there are certain corner angle, and 40601 shape of lock catch block should be also arranged in the installation axle of the shutter 40401 Shape is corresponding to be slided and the notch of rotary limited for the lock catch block 40601.

The teenager with desk there is raising learning effect and efficiency and the protection that corrects faulty sitting posture to make in the present embodiment The two major classes effect of user's health status, meets on existing market the personal needs of more desks and parents of student couple also in body The active demand of body healthy development.The teenager is used for the inclination fixation after books are opened mainly to protect user with desk Neck and correcting sitting posture mainly protect chest and back, on the other hand the stationery place unit 3 for provide one compared with For good class use environment to improve learning efficiency, the present embodiment has spy that is simple and effective and being conducive to student's health Point.

The embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model is not limited to Embodiment is stated, in the knowledge possessed in the technical field those of ordinary skill, this practicality can also not departed from Various modification can be adapted on the premise of new objective.These are all without creative modification, as long as in the power of the utility model It is all protected in sharp claimed range be subject to Patent Law.

Claims (7)

1. a kind of books fixed structure for desk, including desk main body（1）, it is characterised in that：It further includes described in being arranged on Desk main body（1）On books fixed cell（2）, the books fixed cell（2）It is flexible to be arranged on the desk main body（1） On, the books fixed cell（2）Including fixed frame（201）, be arranged on the fixed frame（201）On geometrical clamp（202）With And for the desk main body（1）It is telescopically connected and in the books fixed cell（2）After pull-out with the desk main body（1） The fixed cell stent connected and fixed（203）, the fixed frame（201）Top is equipped with for the books fixed cell（2）It receives Return the desk main body（1）The fixed cell top plate covered when internal（204）.

2. a kind of books fixed structure for desk according to claim 1, it is characterised in that：The fixed frame （201）With the fixed cell stent（203）Articulated connection, the fixed frame（201）It is equipped with and the fixed cell stent （203）Upper bulb（20301）Clamping is for the fixed frame（201）Carry out the fixed frame limiting section of rotary stopper（205）, it is described Fixed frame limiting section（205）It is separately positioned on the fixed frame（201）Both ends are close to the fixed cell stent（203）Two On side.

3. a kind of books fixed structure for desk according to claim 2, it is characterised in that：The fixed frame /V Portion（205）Including limiting section main body（20501）, be arranged on the limiting section main body（20501）The back side is by withstanding on the fixation Frame（201）The fixed frame limiting section is adjusted on side（205）The limiting section spring of prominent distance, the limiting section main body （20501）It is equipped with and the fixed cell stent（203）On the bulb（20301）Corresponding limited block（20502）.

4. a kind of books fixed structure for desk according to claim 3, it is characterised in that：The geometrical clamp （202）To be separately positioned on the fixed frame（201）Two rotatable jags of two side position of lower end, the geometrical clamp （202）Geometrical clamp main shaft including being used to support books（20201）And for being pressed in open bookish fixation from both sides Press from both sides collet（20202）.

5. a kind of books fixed structure for desk according to claim 4, it is characterised in that：The fixed frame （201）Including fixed frame mainboard（20101）And it is arranged on the fixed frame mainboard（20101）Both sides are used for and the fixed list First stent（203）The fixed frame connecting plate of connection（20102）, the fixed frame mainboard（20101）Both sides vertex angle part be equipped with use In the spine fixed part of fixed spine（206）.

6. a kind of books fixed structure for desk according to claim 5, it is characterised in that：The spine fixed part （206）Including being used for Unscrew and the fixed frame mainboard（20101）The first concordant spine fixinig plate（20601）And it uses In Unscrew and the fixed frame mainboard（20101）The second concordant spine fixinig plate（20602）.

7. a kind of books fixed structure for desk according to claim 6, it is characterised in that：The fixed cell top Plate（204）Pass through top plate connecting portion（207）With the fixed frame mainboard（20101）Socket, the top plate connecting portion（207）Including It is arranged on the fixed frame mainboard（20101）Internal master collet（20701）, be arranged on the fixed cell top plate（204）Under Branch sleeve on end face（20702）, be arranged on the fixed frame mainboard（20101）Sleeve in protrusion column（20703）With And it is arranged on the branch sleeve（20701）With the master collet（20701）Connecting spring between bottom surface（20704）, it is described Branch sleeve（20701）Outer circumferential surface is equipped with clamping bulb（20705）, the master collet（20701）Side wall is equipped with buckling groove （20706）And /V bulb（20707）.