CN207417435U

CN207417435U - For placing the transport box of instruments used for education

Info

Publication number: CN207417435U
Application number: CN201721265006.7U
Authority: CN
Inventors: 耿伊晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2018-05-29
Anticipated expiration: 2027-09-29

Abstract

The utility model provides a kind of transport box for being used to place instruments used for education, belong to teaching aid technical field, including babinet, case lid, case lock, the crane for being slidably disposed in box house, two sliding support plates for being used to fix instruments used for education for driving the driving device of crane lifting and being slidably disposed on crane；Sliding support plate is equipped with to fix the positioning jackscrew of sliding support plate and crane, and the outside of babinet is equipped with attacker's slot；At least two first guide rods are installed in babinet, the first guide rod is slidably matched with crane, and the first sliding sleeve being slidably matched with sliding support plate is set on sliding support plate.Provided by the utility model for placing the transport box of instruments used for education, the in vivo each modular construction of case is compact, volume occupies little space, and the fetching process of instruments used for education is easy, laborsaving, and the consuming time is short, and carrying is laborsaving, greatly improves work efficiency.

Description

For placing the transport box of instruments used for education

Technical field

The invention belongs to teaching aid technical fields, are to be related to a kind of turn for being used to place instruments used for education more specifically Transport case.

Background technology

Indispensable demonstration equipment when instruments used for education are in teaching process, at present instruments used for education generally directly carry, easily send out Life is collided with or is placed in chest, carries arduously, and the fetching process of instruments used for education is cumbersome, and the consuming time is long, influences to give lessons Efficiency.

The content of the invention

It is an object of the invention to provide a kind of for placing the transport box of instruments used for education, it is intended to which solution is taught in the prior art It learns instrument generally directly to carry, easily collides with or place in chest, arduously, and instruments used for education picked and placeed for carrying Journey is cumbersome, and it is long to expend the time, the problem of influencing the efficiency given lessons.

To achieve the above object, the technical solution adopted by the present invention is：A kind of transhipment for being used to place instruments used for education is provided Case including babinet, the case lid being arranged on the babinet, is arranged on babinet top box lock, is slidably disposed in the case The crane in internal portion, for driving the driving device of the crane lifting and be slidably disposed on the crane For fixing two sliding support plates of instruments used for education；The sliding support plate be equipped with for fix the sliding support plate and The positioning jackscrew of the crane, the outside of the babinet are equipped with attacker's slot；

At least two first guide rods are installed in the babinet, first guide rod is matched somebody with somebody with crane slip It closes；The first sliding sleeve being slidably matched with the sliding support plate is set on the sliding support plate, on the sliding support plate The first leading screw for being threadedly coupled with first sliding sleeve is additionally provided with, the end of first leading screw is concentric to be installed with first Worm gear, the first worm screw that the worm gear is driven to rotate is additionally provided on the sliding support plate, and first worm screw is equipped with For driving the first handle that first worm screw rotates；

First sliding sleeve is equipped with to place the fixed plate of instruments used for education, and the fixed plate is equipped with to clamp solid Determine the clamping device of instruments used for education, the clamping device includes the fixed block being fixedly connected with the fixed plate, taught for clamping It the clamping plate for learning instrument, the second guide rod for being installed on the clamping plate and being slidably connected with the fixed block and is sleeved on Second spring on second guide rod is threaded with the first adjusting nut, second bullet on second guide rod The both ends of spring abut respectively with fixed block and first adjusting nut, and the end of second guide rod is equipped with for /V institute State the second adjusting nut of the second guide rod；The clamping plate is equipped with cushion pad；

The driving device includes the second leading screw be connected with the body pivot, for driving second leading screw rotation Telescopic rocker arm and for driving the first handle that the telescopic rocker arm rotates, second leading screw and the crane screw thread Connection；

The quantity of second leading screw is two and is mutually parallel, and the lower end of two second leading screws is respectively equipped with band Wheel, two belt wheels are equipped with the telescopic rocker arm by synchronous band connection, the end of one of them second leading screw；

Be additionally provided with the cover board for fixing first guide rod and second leading screw on the babinet, the cover board with The babinet is connected by screw；

The first handle includes the fixed part being fixedly connected with the sliding bar and the folding hinged with the fixed part Turn of bilge is threadedly coupled on the bending part and is set with to connect the connector sleeve of the fixed part and the bending part；

The lower end of the babinet is equipped with support leg, and the support leg is equipped with supporting rack, cunning is installed on support frame as described above Dynamic second sliding sleeve that has being sleeved in the support leg, is installed on the bottom plate of babinet described in screw rod on the upside of support frame as described above and sets The second worm gear connected with the screw flight is useful for, second worm gear is set with the screw coaxial heart, the babinet On be additionally provided with to drive the second worm screw of second worm gear, second worm screw is connected with the body pivot, described The worm screw rocking arm that second worm screw is driven to rotate is connected on two worm screws, the worm screw rocking arm is equipped with the 3rd handle,

3rd handle include the fixed handle portion that is fixedly connected with the worm screw rocking arm and with the fixed handle portion Hinged folding hand shank, the one side in the fixed handle portion are equipped with the avoidance fillet part folded for the folding hand shank, The opposite side in the fixed handle portion is equipped with the positioning region for folding hand shank stretching, extension positioning；

When second worm gear is connected to the upper end of the screw rod, universal wheel projects to the lower face of the support leg, institute When stating the second worm gear and being connected to the lower end of the screw rod, the universal wheel is located on the upside of the lower face of the support leg；

The telescopic rocker arm includes the fixed link being fixedly connected with second leading screw and slides with the fixed link to connect The sliding bar connect, the fixed link are fixed with the sliding bar by clamping mechanism；

The clamping mechanism include along the sliding bar long axis direction be slidably connected drive rod, with along it is vertical with it is described Fixture block that the glide direction of drive rod is slidably arranged on the sliding bar, be arranged in the fixed link be used for and the card Latch that block connects and fixes, the respectively push-pull rod hinged with the fixture block and the drive rod and for being connected the drive rod With the first spring of the sliding bar, the sliding bar is equipped with to accommodate the drive rod and match somebody with somebody with drive rod slip The 3rd sliding slot closed is additionally provided on the sliding bar to accommodate the fixture block and be slided with the fixture block is slidably matched the 4th Slot, the solution lock-switch that the drive rod is driven to slide is additionally provided on the drive rod, and the solution lock-switch protrudes from described The lateral surface of sliding bar；Drive rod one end hinged with the push-pull rod is additionally provided with to abut with the 3rd sliding slot For the drive rod slide /V limiting stand.

Further, it is additionally provided with handle on the case lid.

Further, the sliding support plate is equipped with the chuck being slidably matched with the crane, the lifting Frame is equipped with the card slot being engaged by clamping with the chuck, and the chuck is slidably matched with the card slot.

Further, sealing strip is equipped between the babinet and the case lid.

The advantageous effect of transport box provided by the present invention for placing instruments used for education is：Compared with prior art, originally Invention drives crane to be lifted in babinet for placing the transport box of instruments used for education, by the second leading screw, facilitates teaching appliance Device is put into box house and taking-up, by telescopic rocker arm the second leading screw is driven to rotate, more laborsaving, is being risen by sliding support plate It slides, is slided on the first sliding sleeve sliding support plate, and the glide direction of the first sliding sleeve and sliding support plate is vertical, is convenient on drop frame For the distance of the size adjustment fixing plate of instruments used for education, it is fixedly clamped by clamping plate to instruments used for education, use is more steady It is fixed, the size of clamping force can be adjusted by the position for adjusting the first adjusting nut, clamping row can be adjusted by adjusting the second adjusting nut Journey, the bending part of first handle is foldable, compact-sized, occupies little space, and babinet lower end sets support leg and universal wheel, passes through Second worm screw drives the second worm gear to rotate, and controls the lifting of supporting rack, so as to switch between support leg and universal wheel, support leg More stablize when being fixed during placement, when universal wheel is contacted with ground, carry more laborsaving；By setting buffering on clamping plate Pad will not damage instrument, set two leading screws and by synchronous band connection, ensure that the lifting stress of crane more balances, rise Drop is steady, and the folding hand shank of the 3rd handle is foldable, occupies little space, and does not influence to carry, and fixed link passes through card with sliding bar Tight mechanism is fixed, and pushing and pulling push-pull rod hinged therewith by drive rod can drive fixture block to be slided in the 4th sliding slot, so as to fulfill Fixture block connecting and fixing and separating with the latch in fixed link, and when being locked, drive rod is under the elastic force effect of the first spring Fixture block is pushed out to the outside of sliding bar and latch clamping fixed, by promoting solution lock-switch that drive rod is made to squeeze first during unlock Spring simultaneously pulls push-pull rod simultaneously, and push-pull rod pulling fixture block slides into the inside of sliding bar, realizes the separation solution of fixture block and latch Lock, simple in structure, easy to use, locking effect is good；The in vivo each modular construction of case is compact, volume occupies little space, teaching appliance The fetching process of device is easy, laborsaving, and the consuming time is short, and carrying is laborsaving, saves the time, substantially increases efficiency of giving lessons.

Description of the drawings

Fig. 1 is the structure diagram one for being used to place the transport box of instruments used for education that the embodiment of the present invention 1 provides；

Fig. 2 is the structure diagram two for being used to place the transport box of instruments used for education that the embodiment of the present invention 1 provides；

Fig. 3 is the enlarged structure schematic diagram at A in Fig. 1；

Fig. 4 is the enlarged structure schematic diagram at B in Fig. 1；

Fig. 5 is the mounting structure schematic diagram of telescopic rocker arm and first handle used by the embodiment of the present invention 1；

Fig. 6 is the foldable structure schematic diagram of telescopic rocker arm and first handle used by the embodiment of the present invention 1；

Fig. 7 be the embodiment of the present invention 1 used by telescopic rocker arm released state structure diagram；

Fig. 8 be the embodiment of the present invention 1 used by telescopic rocker arm blocking structure diagram；

Fig. 9 is the structure diagram for being used to place the transport box of instruments used for education that the embodiment of the present invention 2 provides；

Figure 10 is the foldable structure schematic diagram of the 3rd handle used described in the embodiment of the present invention 2；

Figure 11 is the structure diagram of the case lock used described in the embodiment of the present invention 1.

In figure：1st, babinet；101st, attacker's slot；11st, case lid；12nd, cover board；13rd, case is locked；131st, link；132nd, link up with； 1321st, second hanging rod is fixed；133rd, wrench portion 134, shaft；135th, elastic component；136th, first hanging rod is fixed；14th, support leg； 15th, supporting rack；151st, screw rod；152nd, universal wheel；153rd, the second sliding sleeve；16th, the second worm gear；17th, the second worm screw；171st, worm screw shakes Arm；172nd, the 3rd handle；1721st, folding hand shank；1722nd, fixed handle portion；2nd, sliding support plate；21st, the first leading screw；22、 First worm gear；23rd, the first worm screw；24th, second handle；25th, jackscrew is positioned；3rd, the first sliding sleeve；31st, fixed plate；32nd, fixed block； 33rd, second spring；34th, the second guide rod；341st, the first adjusting nut；342nd, the second adjusting nut；35th, clamping plate；351st, delay Punching pad；4th, crane；41st, the first guide rod；42nd, the second leading screw；43rd, telescopic rocker arm；431st, fixed link；4311st, latch；432、 Sliding bar；4321st, the 3rd sliding slot；4322nd, the 4th sliding slot；433rd, the first spring；434th, drive rod；4341st, lock-switch is solved；435、 Push-pull rod；436th, fixture block；437th, limiting stand；44th, first handle；441st, connector sleeve；45th, synchronous belt.

Specific embodiment

In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more, Unless otherwise specifically defined.

Also referring to Fig. 1 to Figure 11, now to being illustrated provided by the present invention for the transport box for placing instruments used for education. The transport box for being used to place instruments used for education, including babinet 1, the case lid being arranged on babinet 1 11, is arranged on 1 top box of babinet Lock 13, the crane 4 that is slidably disposed in babinet 1 inside, for driving the driving device of the lifting of crane 4 and slidably Ground is arranged on two sliding support plates 2 for being used to fix instruments used for education on crane 4；Sliding support plate 2 is equipped with to fix The positioning jackscrew 25 of sliding support plate 2 and crane 4, the outside of babinet 1 are equipped with attacker's slot 101；

At least two first guide rods 41 are installed in babinet 1, the first guide rod 41 is slidably matched with crane 4；It slides The first sliding sleeve 3 being slidably matched with sliding support plate 2 is set in support plate 2, is additionally provided on sliding support plate for first The first leading screw 21 that sliding sleeve 3 is threadedly coupled, the end of the first leading screw 21 is concentric to be installed with the first worm gear 22, on sliding support plate The first worm screw 23 for being additionally provided with to drive worm gear to rotate, the first worm screw 23 be equipped with the first worm screw 23 is driven to rotate the Two handles 24；

First sliding sleeve 3 is equipped with to place the fixed plate 31 of instruments used for education, and fixed plate 31 is equipped with to grip The clamping device of instruments used for education, clamping device include the fixed block 32 being fixedly connected with fixed plate 31, for clamping instruments used for education Clamping plate 35, the second guide rod 34 for being installed on clamping plate 35 and being slidably connected with fixed block 32 and be sleeved on second and lead Second spring 33 on bar 34 is threaded with the first adjusting nut 341, the both ends of second spring 33 on second guide rod 34 It is abutted respectively with 32 and first adjusting nut 341 of fixed block, the end of the second guide rod 34 is equipped with for the second guide rod of /V 34 the second adjusting nut 342；Clamping plate is equipped with cushion pad 351；

Driving device includes the second leading screw 42 being rotatablely connected with babinet 1, stretches for what the second leading screw 42 of driving rotated Rocking arm and the first handle 44 for driving telescopic rocker arm rotation, the second leading screw 42 are threadedly coupled with crane 4；

For the quantity of second leading screw 42 two and to be mutually parallel, the lower ends of two the second leading screws 42 is respectively equipped with belt wheel, and two A belt wheel is connected by synchronous belt 45, and the end of one of them the second leading screw 42 is equipped with telescopic rocker arm；

The cover board 12 for fixing the first guide rod 41 and the second leading screw 42 is additionally provided on babinet 1, cover board 12 is logical with babinet 1 Cross screw connection；

First handle 44 includes the fixed part being fixedly connected with sliding bar and the bending part hinged with fixed part, bending part Upper threaded connecting sleeve 441 is equipped with the connector sleeve 441 for connecting portion and bending part；

The lower end of babinet 1 is equipped with support leg 14, and support leg 14 is equipped with supporting rack 15, sliding sleeve is installed on supporting rack 15 There is the second sliding sleeve 153 in support leg 14, the upside of supporting rack 15 is installed with the bottom plate of 151 babinet 1 of screw rod equipped with use In the second worm gear 16 being threadedly coupled with screw rod 151, the second worm gear 16 and 151 concentric setting of screw rod are additionally provided with use on babinet 1 In the second worm screw 17 for driving the second worm gear 16, the second worm screw 17 is rotatablely connected with babinet 1, is connected with and is used on the second worm screw 17 The worm screw rocking arm 18 that the second worm screw 17 is driven to rotate, worm screw rocking arm 18 are equipped with the 3rd handle 172,

3rd handle 172 include the fixed handle portion 1722 that is fixedly connected with worm screw rocking arm 18 and with fixed handle portion 1722 Hinged folding hand shank 1721, the one side in fixed handle portion 1722 are equipped with the avoidance fillet folded for folding hand shank 1721 Portion, the opposite side in fixed handle portion 1722 are equipped with the positioning region for the stretching, extension positioning of folding hand shank 1721；

When second worm gear 16 is connected to the upper end of screw rod 151, universal wheel 152 projects to the lower face of support leg 14, and second When worm gear 16 is connected to the lower end of screw rod 151, universal wheel 152 is located on the upside of the lower face of support leg 14；

Telescopic rocker arm 43 includes the fixed link 431 being fixedly connected with the second leading screw 42 and is slidably connected with fixed link 431 Sliding bar 432, fixed link 431 fixed with sliding bar 432 by clamping mechanism；

Clamping mechanism include the drive rod 434 being slidably connected along the long axis direction of sliding bar 432, with along vertical and drive rod Fixture block 436 that 434 glide direction is slidably arranged on sliding bar 432, be arranged in fixed link 431 be used for and fixture block 436 The latch 4311 that connects and fixes, the respectively push-pull rod 435 hinged with fixture block 436 and drive rod 434 and for being connected drive rod 434 and the first spring 433 of sliding bar 432, sliding bar 432 is equipped with to accommodate drive rod 434 and slide with drive rod 434 3rd sliding slot 4321 of cooperation is additionally provided with the accommodate fixture block 436 and be slidably matched with fixture block 436 the 4th on sliding bar 432 Sliding slot 4322, the solution lock-switch 4341 that drive rod 434 is driven to slide is additionally provided on drive rod 434, and solution lock-switch 4341 is prominent For the lateral surface of sliding bar 432；Drive rod one end hinged with push-pull rod is additionally provided with the use for that can be abutted with the 3rd sliding slot The limiting stand of /V is slided in drive rod.

Provided by the present invention for placing the transport box of instruments used for education, compared with prior art, pass through 42 band of the second leading screw The lifting in babinet 1 of dynamic crane 4 facilitates and instruments used for education is put into 1 inside of babinet and are taken out, and the is driven by telescopic rocker arm 43 Two leading screws 42 rotate, more laborsaving, are slided by sliding support plate 2 on crane, sliding on 3 sliding support plate 2 of the first sliding sleeve It is dynamic, and the first sliding sleeve 3 is vertical with the glide direction of sliding support plate 2, convenient for being directed to the size adjustment fixing plate 31 of instruments used for education Distance, be fixedly clamped by clamping plate 35 to instruments used for education, use more stablize, pass through adjust the first adjusting nut 341 Position can adjust the size of clamping force, adjusting the second adjusting nut 342 can adjust clamping stroke, the bending part of first handle 44 It is foldable, it is compact-sized, it occupies little space, by the second worm screw 17 the second worm gear 16 is driven to rotate, control the liter of supporting rack 15 Drop so as to switching between support leg 14 and universal wheel 152, is more stablized when support leg 14 is fixed when placing, universal wheel 152 with When ground contacts, carry more laborsaving；By setting cushion pad 351 on clamping plate 35, instrument will not be damaged, set two the Two leading screws 42 simultaneously pass through synchronous belt 45 and connect, and ensure that the lifting stress of crane 4 more balances, lifting is steady, the 3rd handle 172 Folding hand shank 1721 it is foldable, occupy little space, do not influence to carry, fixed link 431 and sliding bar 432 pass through clamping mechanism Fixed, pushing and pulling push-pull rod 435 hinged therewith by drive rod 434 can drive fixture block 436 to be slided in the 4th sliding slot 4322, from And realize connecting and fixing and separating for fixture block 436 and the latch 4311 in fixed link 431, when being locked, drive rod 434 is Fixture block 436 is pushed out to the outside of sliding bar 432 and 4311 clamping fixed of latch under the elastic force effect of one spring 433, during unlock By promoting solution lock-switch 4341 that drive rod 434 is made to squeeze the first spring 433 and pulling push-pull rod 435 simultaneously, push-pull rod 435 is drawn Dynamic fixture block 436 slides into the inside of sliding bar 432, realizes that fixture block 436 and the separation of latch 4311 unlock, simple in structure, uses Convenient, locking effect is good；Each modular construction in babinet 1 is compact, volume occupies little space, the fetching process letter of instruments used for education Just, laborsaving, the consuming time is short, saves the time, substantially increases efficiency of giving lessons.

Further, a kind of specific embodiment as the transport box provided by the present invention for placing instruments used for education, Handle is additionally provided on case lid 11.Convenient for palm top

Further, a kind of specific embodiment as the transport box provided by the present invention for placing instruments used for education, Sliding support plate 2 is equipped with the chuck being slidably matched with crane 4, and crane 4 is equipped with the card being engaged by clamping with chuck Slot, chuck are slidably matched with card slot.

Further, a kind of specific embodiment as the transport box provided by the present invention for placing instruments used for education, Sealing strip is equipped between babinet 1 and case lid 11.

Further, a kind of specific embodiment as the transport box provided by the present invention for placing instruments used for education, Case lock 13 include be installed on case lid 11 link 131, be hingedly arranged on babinet 11 be used for and the link 131 mounting Hook 132 and the elastic component 135 for connecting the babinet 1 and the hook 132, the babinet are equipped with the first fixation and hang Bar 136, the hook are equipped with second and fix hanging rod 1321, and hanging rod is fixed in the both ends of the elastic component with described first respectively 136 are connected with the described second fixation hanging rod 1321, and the babinet is equipped with for the shaft 134 hinged with hook middle part, The hook portion of the hook 132 is located at the same side of the shaft 134, the end of the hook 132 with the second fixation hanging rod 1321 Portion is additionally provided with wrench portion 133, and the wrench portion 133 is located at the opposite side of the shaft 134.Elastic component 135 is spring, and spring is The hook of link 131 and hook 132 provides elastic pulling force.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims

1. for placing the transport box of instruments used for education, it is characterised in that：Including babinet, the case lid being arranged on the babinet, set Put in babinet top box lock, be slidably disposed in the crane of the box house, for the crane to be driven to lift Driving device and be slidably disposed on the crane for fixing two sliding support plates of instruments used for education；Institute It states sliding support plate to be equipped with to fix the positioning jackscrew of the sliding support plate and the crane, be set on the outside of the babinet There is attacker's slot；

At least two first guide rods are installed in the babinet, first guide rod is slidably matched with the crane；Institute The first sliding sleeve for being set on sliding support plate and being slidably matched with the sliding support plate is stated, is additionally provided on the sliding support plate For the first leading screw being threadedly coupled with first sliding sleeve, the end of first leading screw is concentric to be installed with the first worm gear, The first worm screw that the worm gear is driven to rotate is additionally provided on the sliding support plate, first worm screw is equipped with to drive The first handle that dynamic first worm screw rotates；

First sliding sleeve is equipped with to place the fixed plate of instruments used for education, and the fixed plate is equipped with to grip religion The clamping device of instrument is learned, the clamping device includes the fixed block being fixedly connected with the fixed plate, for clamping teaching appliance It the clamping plate of device, the second guide rod for being installed on the clamping plate and being slidably connected with the fixed block and is sleeved on described Second spring on second guide rod is threaded with the first adjusting nut on second guide rod, the second spring Both ends abut respectively with fixed block and first adjusting nut, and the end of second guide rod is equipped with for described in /V the Second adjusting nut of two guide rods；The clamping plate is equipped with cushion pad；

The driving device includes the second leading screw be connected with the body pivot, for driving stretching for second leading screw rotation Contracting rocking arm and the first handle for driving the telescopic rocker arm rotation, second leading screw connect with the crane screw thread It connects；

For the quantity of second leading screw two and to be mutually parallel, the lower ends of two second leading screws is respectively equipped with belt wheel, and two A belt wheel is equipped with the telescopic rocker arm by synchronous band connection, the end of one of them second leading screw；

Be additionally provided with the cover board for fixing first guide rod and second leading screw on the babinet, the cover board with it is described Babinet is connected by screw；

The first handle includes the fixed part being fixedly connected with the sliding bar and the bending part hinged with the fixed part, It is threadedly coupled on the bending part and is set with to connect the connector sleeve of the fixed part and the bending part；

The lower end of the babinet is equipped with support leg, and the support leg is equipped with supporting rack, sliding sleeve is installed on support frame as described above There is the second sliding sleeve in the support leg, the bottom plate that babinet described in screw rod is installed on the upside of support frame as described above is equipped with use In the second worm gear connected with the screw flight, second worm gear is set with the screw coaxial heart, on the babinet also Equipped with for driving the second worm screw of second worm gear, second worm screw is connected with the body pivot, second snail The worm screw rocking arm that second worm screw is driven to rotate is connected on bar, the worm screw rocking arm is equipped with the 3rd handle；

3rd handle includes the fixed handle portion being fixedly connected with the worm screw rocking arm and is hinged with the fixed handle portion Folding hand shank, the one side in the fixed handle portion is equipped with the avoidance fillet part folded for the folding hand shank, described The opposite side in fixed handle portion is equipped with the positioning region for folding hand shank stretching, extension positioning；

When second worm gear is connected to the upper end of the screw rod, universal wheel projects to the lower face of the support leg, and described When two worm gears are connected to the lower end of the screw rod, the universal wheel is located on the upside of the lower face of the support leg；

The telescopic rocker arm includes the fixed link that is fixedly connected with second leading screw and is slidably connected with the fixed link Sliding bar, the fixed link are fixed with the sliding bar by clamping mechanism；

The clamping mechanism include the drive rod being slidably connected along the long axis direction of the sliding bar, with along the vertical and driving Fixture block that the glide direction of bar is slidably arranged on the sliding bar, be arranged in the fixed link be used for and the fixture block card Connect fixed latch, the respectively push-pull rod hinged with the fixture block and the drive rod and for being connected the drive rod and institute The first spring of sliding bar is stated, the sliding bar is equipped with what is accommodated the drive rod and be slidably matched with the drive rod 3rd sliding slot is additionally provided with the 4th sliding slot for accommodating the fixture block and being slidably matched with the fixture block, institute on the sliding bar The solution lock-switch for being additionally provided with that the drive rod is driven to slide on drive rod is stated, the solution lock-switch protrudes from the sliding bar Lateral surface；Drive rod one end hinged with the push-pull rod is additionally provided with to be used for what the 3rd sliding slot abutted The drive rod slides the limiting stand of /V.

2. the transport box as described in claim 1 for being used to place instruments used for education, it is characterised in that：It is additionally provided with and carries on the case lid Hand.

3. the transport box as described in claim 1 for being used to place instruments used for education, it is characterised in that：It is set on the sliding support plate The chuck being slidably matched with the crane is useful for, the crane is equipped with the card slot being engaged by clamping with the chuck, institute Chuck is stated to be slidably matched with the card slot.

4. the transport box as described in claim 1 for being used to place instruments used for education, it is characterised in that：The babinet and the case lid Between be equipped with sealing strip.