CN109109500A - A kind of file with slide plate - Google Patents

Abstract

The invention discloses a kind of files with slide plate, including workbench, one, which is provided with, in the workbench is put into space, described be put into the upper end wall of space is provided with a translation space, the promotion space for being provided with a right end wall and lower end wall in the storage block and being put into space and being connected to, it is described to be put into left and right in the lower end wall of space uniformly publication is provided with multiple upper end walls and the storage space that is put into space and is connected to, be provided in the workbench upper end wall be connected to multiple storage space lower end walls and right end wall connection free surrounding space taking-up space, a space is provided in the lower end wall of the taking-up space, this device has mechanism simple, it is easy to operate, can automatic identification do not store the place of file and realize preferential storage in order, the effective waste that storage position is avoided using space, it can be automatically positioned and when taking out file same One position is taken out, succinct convenient and high-efficient.

Description

A kind of file with slide plate

Technical field

The present invention relates to the storage art of slide plate file, specially a kind of file with slide plate.

Background technique

Currently, with the development of science and technology the development of society, the storage of file and taking increasingly standardize, mass file Storage device is more and more, but the automation of existing storage device is lower, it is difficult to the automatic storage location for knowing sky and storage, and Off-take point cannot be fixed on a position, and the inefficiency stored and taken is dfficult to apply to large-scale storage, significantly limits It develops.

Summary of the invention

The purpose of the present invention is to provide a kind of files with slide plate, to solve mentioned above in the background art ask Topic.

To achieve the above object, the invention provides the following technical scheme: a kind of file with slide plate, including workbench, It is provided with one in the workbench and is put into space, described be put into the upper end wall of space is provided with a translation space, and the translation is empty Between left end wall be embedded with a driving motor, the driving motor right side has been connected by power right end and translation space right end wall rotates First thread spindle of connection, the first thread spindle right end, which is threadedly engaged, is connected with a threaded block, the first thread spindle right end It is rotatablely connected through threaded block or so section and with translation space right end wall, the threaded block lower end surface is fixedly connected with a support Block, through translation space lower end wall and positioned at being put into space, the supporting block lower end is fixedly connected with for the supporting block lower end One storage block is provided with a right end wall and lower end wall in the storage block and the promotion space that is put into space and is connected to, the promotion End wall is fixedly connected with the first rotating shaft before and after space, and first rotating shaft front end is rotatably connected to the first pivoted lever, described First pivoted lever rear end face is fixedly connected with the first main spring around the first rotating shaft, first main spring rear end with Space aft bulkhead is pushed to be fixedly connected, it is described to be put into left and right in the lower end wall of space uniformly publication is provided with multiple upper end walls and is put into The storage space of space connection, the storage space left hand end wall are fixedly connected with a symmetrical fixed block, the fixation The rotation space that an end wall at storage space left and right directions center is connected to storage space, the rotation are provided in block End wall is rotatably connected to the second rotating shaft before and after space, and second rotating shaft front end is fixedly connected with a cam, described to be located at The second rotating shaft at cam rear end is fixedly connected with the second pivoted lever, and second pivoted lever is close to storage space left and right directions One end at center is through end wall of the rotation space at storage space left and right directions center and is located in storage space, described The second pivoted lever lower end surface in storage space is fixedly connected with a magnetic force magnet, second in rotation space Pivoted lever rear end face is fixedly connected with the second main spring around the second rotating shaft, second main spring rear end and rotation Space aft bulkhead is fixedly connected, and slidably connects a catch bar, the promotion in the rotation space positioned at cam upper end Bar lower end is connect with cam slide, the catch bar upper end just now rotation space upper end wall and be located at storage space in, it is described to push away Lever upper end is fixedly connected with a block, and the rotation space is far from fixed on the downside of the end wall at storage space left and right directions center It is connected with the first electromagnet, a spring groove, end of the spring groove far from magnetic force magnet are provided in the rotation space lower end Wall is fixedly connected with a compressed spring, and the compressed spring is fixedly connected with a spring block close to one end of magnetic force magnet, described Spring block upper surface is fixedly connected with one and blocks block, described to block block upper end through spring groove upper end wall and be located at rotation space Interior, end wall is fixedly connected with symmetrical third rotating shaft before and after the storage space positioned at upper end of fixing block, described Third rotating shaft front end is rotatably connected to third pivoted lever, and the third pivoted lever rear end face is fixedly connected with to turn round around third The third main spring of axis, third main spring rear end are fixedly connected with storage space aft bulkhead, are set in the workbench It is equipped with a upper end wall to be connected to multiple storage space lower end walls and the taking-up space of right end wall connection free surrounding space, taking-ups sky Between be provided with a space in lower end wall, a rotating electric machine, the rotating electric machine are embedded in the wall of the space left end Right side is connected by power the second thread spindle of right end and the rotation connection of space right end wall, and the thread spindle is threadedly engaged company It is connected to the second threaded block, the card that a left hand end wall and lower end wall are connected to space is provided in second threaded block lower end Dead slot, the interior end wall connection movement being provided with centered on the second thread spindle far from the second screw thread axis center of second threaded block The annular groove in space slidably connects a sliding shoe in the taking-up space, a upper end wall and the right side is provided in the sliding shoe The storage groove that end wall is connected to taking-up space, the sliding shoe lower end surface is fixedly connected with a driven rod, the driven rod lower end Through taking out space lower end wall and space upper end wall and being located in annular groove, it is provided in the space lower end wall more A and one-to-one electromagnetic space in storage space, the electromagnetic space upper end wall are connected to space, described to be located at two electricity Space lower end wall between magnetic space is fixedly connected with one stuck piece, and the electromagnetic space lower end wall is fixedly connected with Two electromagnet, second electromagnet upper end are fixedly connected with an electromagnetic spring, and the electromagnetic spring upper end is fixedly connected with one Magnetic block, the magnetic block upper end is through electromagnetic space upper end wall and is located in space.

Preferably, described stuck piece can enter in stuck slot with magnetic block to prevent the second threaded block from turning It is dynamic.

Preferably, the elastic force of the compressed spring is much larger than the elastic force of the second main spring, first electromagnetism Tie Tong The elastic force of compressed spring is much larger than after electricity to the elastic force of magnetic magnet.

Compared with prior art, the beneficial effects of the present invention are: in present invention work, when storing file, driving motor It opens, driving motor drives the rotation of the first thread spindle by being connected by power, so that the first threaded block be made to move right until most right End, so that storage block be driven to move right, when storage block moves to right end, driving motor is closed, so that storage block be made to stop It only moves, pulls the first pivoted lever to the right, the file stored will be needed to be put into and pushed in space, unclamping the first pivoted lever makes it Resetting movement clockwise, the first pivoted lever push file to the left, so that file be made to complete to be located in promotion space, driving motor is opened It opens, driving motor reversion, driving motor drives the reversion of the first thread spindle by being connected by power, so that the first threaded block be made to transport to the left Dynamic, so that storage block be driven to move downward, storage block drives file to move downward, and does not store the storage of file when file moves to When depositing at the upper end of space, rotate clockwise the third pivoted lever in left side under the gravity of file, the third on right side is returned Bull stick rotates counterclockwise, so that file be made to fall in storage space, third pivoted lever resets, and driving motor is closed, and falls The file of storage space falls to the second pivoted lever upper end, so that the second pivoted lever of left side be made to rotate clockwise until by left side card Firmly block blocks, the second pivoted lever of right side is rotated counterclockwise and blocked until blocking block by right side, and the rotation of the second pivoted lever drives second Rotating shaft rotation, the second rotating shaft band moving cam rotate, so that catch bar be made to move upwards, catch bar drives block to transport upwards It is dynamic, do not allow it to rotate under the gravity of file so that third pivoted lever be blocked, file storage is completed, and repeating the above steps can Repeatedly storage file is filled with until all, when taking out file, is needed to take out file and is powered to second electromagnet at place, in magnetic force Move downward this magnetic block under effect, rotating electric machine is opened, and rotating electric machine, which is connected by power, drives the rotation of the second thread spindle, due to The second threaded block block that is stuck is blocked with magnetic block and cannot be rotated, so that the second threaded block is moved right, the second threaded block band Dynamic driven rod moves right, and driven rod drives sliding shoe to move right, and needs to take out the corresponding magnetic block of file until moving to Then place rotates, to make since this magnetic block no longer blocks the second threaded block so that the stopping of the second threaded block be made to move right Sliding shoe stops at the lower end taken out at file, and rotating electric machine is closed, and the first electromagnet is opened, and makes second under magneticaction Pivoted lever is rotated into rotation space, so that file is fallen on the storage groove lower end wall in sliding shoe, rotating electric machine It opens, rotating motor, which is connected by power, drives the rotation of the second thread spindle, and it needs to take out file and the second electromagnet energization at place is closed, Move upwards this magnetic block under the action of elastic force, blocking the second threaded block again no longer rotates it, to make the second screw thread Block moves right, so that file be driven to move right until right end, rotating electric machine is closed, thus make sliding shoe stop motion, File is taken out, rotating electric machine is reversely opened, and rotating electric machine, which is connected by power, drives the reversion of the second thread spindle, to make the second screw thread Block is moved downward until setting back, and file can repeatedly be taken out by repeating aforesaid operations, until whole taking-ups, is repeated above-mentioned entire Operation can complete the taking-up and storage of file, this device has mechanism simple, easy to operate, can automatic identification do not store text The place of part and realize preferential storage in order, the effective waste that storage position is avoided using space, when taking out file Time can be automatically positioned and take out in same position, succinct convenient and high-efficient.

Detailed description of the invention

Fig. 1 is a kind of schematic view of the front view of the file workbench complete section with slide plate of the present invention；

Fig. 2 is a kind of main view enlarged structure schematic diagram of the file storage space complete section with slide plate of the present invention；

Fig. 3 is a kind of left view enlarged structure schematic diagram of the file space complete section with slide plate of the present invention；

Fig. 4 is the vertical view enlarged structure of partial cutaway complete section at a kind of file storage space third pivoted lever with slide plate of the present invention Schematic diagram；

Fig. 5 is a kind of main view enlarged structure schematic diagram of the file rotation space complete section with slide plate of the present invention；

Fig. 6 is the left view enlarged structure schematic diagram that a kind of file with slide plate of the present invention pushes space complete section.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-6 is please referred to, embodiment provided by the invention: a kind of file with slide plate, including workbench 1, the work Make to be provided with one in platform 1 and be put into space 39, described be put into 39 upper end wall of space is provided with a translation space 35, and the translation is empty Between 35 left end walls be embedded with a driving motor 37,37 right side of driving motor has been connected by power right end and translation space 35 is right First thread spindle 36 of end wall rotation connection, 36 right end of the first thread spindle, which is threadedly engaged, is connected with a threaded block 33, described First thread spindle, 36 right end is rotatablely connected through 33 or so section of threaded block and with 35 right end wall of translation space, the threaded block 33 Lower end surface is fixedly connected with a supporting block 34, and 34 lower end of supporting block, which is run through 35 lower end wall of translation space and is located at, is put into space In 39,34 lower end of supporting block is fixedly connected with a storage block 38, is provided with a right end wall and lower end in the storage block 38 Wall is fixedly connected with the first rotating shaft 31 with the promotion space 32 for being put into space 39 and being connected to, the 32 front and back end wall of promotion space, First rotating shaft, 31 front end is rotatably connected to the first pivoted lever 30, and 30 rear end face of the first pivoted lever is fixedly connected with ring Around the first main spring 45 of the first rotating shaft 31,45 rear end of the first main spring and the fixed company of promotion 32 aft bulkhead of space It connects, it is described to be put into left and right in 39 lower end wall of space uniformly publication is provided with multiple upper end walls and the storage sky that is put into space 39 and is connected to Between 26,26 left hand end wall of storage space is fixedly connected with a symmetrical fixed block 20, setting in the fixed block 20 There is the rotation space 17 that an end wall at 26 left and right directions center of storage space is connected to storage space 26, the rotation is empty Between 17 front and back end walls be rotatably connected to the second rotating shaft 18,18 front end of the second rotating shaft is fixedly connected with a cam 19, institute Second rotating shaft 18 of the rheme at 19 rear end of cam is fixedly connected with the second pivoted lever 25, and second pivoted lever 25 is close to storage One end at 26 left and right directions center of space is deposited through end wall of the rotation space 17 at 26 left and right directions center of storage space And be located in storage space 26,25 lower end surface of the second pivoted lever in storage space 26 is fixedly connected with a magnetic force magnetic Iron 15,25 rear end face of the second pivoted lever in rotation space 17 are fixedly connected with second around the second rotating shaft 18 Main spring 44,44 rear end of the second main spring are fixedly connected with 17 aft bulkhead of rotation space, described to be located on cam 19 A catch bar 21 is slidably connected in rotation space 17 at end, 21 lower end of catch bar is slidably connected with cam 19, described 21 upper end of catch bar just now 17 upper end wall of rotation space and be located at storage space 26 in, 21 upper end of catch bar is fixedly connected with One block 22, the rotation space 17 are electric far from being fixedly connected with first on the downside of the end wall at 26 left and right directions center of storage space Magnet 16 is provided with a spring groove 14, the end wall of the spring groove 14 far from magnetic force magnet 15 in 17 lower end of rotation space It is fixedly connected with a compressed spring 27, the compressed spring 27 is fixedly connected with a spring block close to one end of magnetic force magnet 15 28,28 upper surface of spring block is fixedly connected with one and blocks block 29, and 29 upper end of block of blocking is through 14 upper end wall of spring groove And be located in rotation space 17, the 26 front and back end wall of storage space at 20 upper end of fixed block is fixedly connected with left and right pair The third rotating shaft 23 of title, 23 front end of third rotating shaft are rotatably connected to third pivoted lever 24, the third pivoted lever 24 Rear end face is fixedly connected with the third main spring 43 around third rotating shaft 23,43 rear end of third main spring and storage 26 aft bulkhead of space is fixedly connected, be provided in the workbench 1 upper end wall be connected to multiple 26 lower end walls of storage space and Right end wall is connected to the taking-up space 42 of free surrounding space, is provided with a space 13 in 42 lower end wall of taking-up space, described A rotating electric machine 3 is embedded in 13 left end wall of space, 3 right side of rotating electric machine has been connected by power right end and movement is empty Between right end wall be rotatablely connected the second thread spindle 12, the thread spindle 12, which is threadedly engaged, is connected with the second threaded block 6, described second The stuck slot 5 that a left hand end wall and lower end wall are connected to space 13, second threaded block are provided in 6 lower end of threaded block The annular groove of the end wall connection space 13 far from 12 center of the second thread spindle is provided in 6 centered on the second thread spindle 12 4, slidably connect a sliding shoe 41 in the taking-up space 42, be provided in the sliding shoe 41 upper end wall and right end wall with The storage groove 40 that space 42 is connected to is taken out, 41 lower end surface of sliding shoe is fixedly connected with a driven rod 2, under the driven rod 2 End is through taking-up 42 lower end wall of space and 13 upper end wall of space and is located in annular groove 4,13 lower end wall of space It is inside provided with the multiple and one-to-one electromagnetic space 8 in storage space 26,8 upper end wall of electromagnetic space and space 13 connect Logical, 12 lower end wall of space being located between two electromagnetic space 8 is fixedly connected with one stuck piece 7, and the electromagnetism is empty Between 8 lower end walls be fixedly connected with the second electromagnet 9,9 upper end of the second electromagnet is fixedly connected with an electromagnetic spring 10, described 10 upper end of electromagnetic spring is fixedly connected with a magnetic block 11, and 11 upper end of magnetic block is through 8 upper end wall of electromagnetic space and is located at In space 13.

Valuably, described stuck piece 7 with magnetic block 11 can enter in stuck slot 5 to prevent the second threaded block 6 from Rotation, effect is to allow to be automatically positioned when taking file.

Valuably, the elastic force of the compressed spring 27 is much larger than the elastic force of the second main spring 44, first electromagnet The elastic force of compressed spring 27 is much larger than after 16 energizations to the elastic force of magnetic magnet 15, effect is to guarantee that file normally takes out.

Specifically used method: in present invention work, when storing file, driving motor 37 is opened, and driving motor 37 passes through It is connected by power and drives the rotation of the first thread spindle 36, so that the first threaded block 33 be made to move right until right end, deposited to drive It puts block 38 to move right, when storage block 38 moves to right end, driving motor 37 is closed, to make to store the stopping fortune of block 38 It is dynamic, the first pivoted lever 30 is pulled to the right, and the file stored will be needed to be put into and pushed in space 32, unclamping the first pivoted lever 30 makes Its resetting movement clockwise, the first pivoted lever 30 push file to the left, so that file is made to complete to be located in promotion space 32, driving Motor 37 is opened, and driving motor 37 inverts, and driving motor 37 drives the reversion of the first thread spindle 36 by being connected by power, to make the One threaded block 33 moves downward, so that storage block 38 be driven to move downward, storage block 38 drives file to move downward, when file is transported When moving at 26 upper end of storage space of no storage file, the third pivoted lever 24 in left side is made under the gravity of file Rotate clockwise, the third pivoted lever 24 on right side rotates counterclockwise, so that file be made to fall in storage space 26, third revolution Bar 24 resets, and driving motor 37 is closed, and falls the file in storage space 26 and falls to 25 upper end of the second pivoted lever, to make a left side The second pivoted lever of side 25 rotate clockwise until by left side block block 29 block, the second pivoted lever of right side 25 rotate counterclockwise until It blocks block 29 by right side to block, the rotation of the second pivoted lever 25 drives the rotation of the second rotating shaft 18, and the second rotating shaft 18 is with moving cam 19 rotations, so that catch bar 21 be made to move upwards, catch bar 21 drives block 22 to move upwards, so that third pivoted lever 24 be blocked Firmly it is not allowed to rotate under the gravity of file, file storage is completed, and file can repeatedly be stored until whole by repeating the above steps It is filled with, when taking out file, needs to take out file and be powered to second electromagnet 9 at place, make this magnetic block 11 under the magnetic force It moves downward, rotating electric machine 3 is opened, and rotating electric machine 3, which is connected by power, drives the rotation of the second thread spindle 12, due to the second threaded block 6 The block 7 that is stuck is blocked with magnetic block 11 cannot rotate 3, so that the second threaded block 6 be made to move right, the second threaded block 6 drives band Lever 2 moves right, and driven rod 2 drives sliding shoe 41 to move right, and needs to take out the corresponding magnetic block of file until moving to At 11, since this magnetic block 11 no longer blocks the second threaded block 6, then rotated so that the stopping of the second threaded block 6 be made to move right, At the lower end taken out at file to make sliding shoe 41 stop at, rotating electric machine is closed, and the first electromagnet 16 is opened, and is made in magnetic force It is rotated into the second pivoted lever 25 in rotation space 17, so that file falls to the storage groove 40 in sliding shoe 41 On lower end wall, rotating electric machine 3 is opened, and rotating motor 3, which is connected by power, drives the rotation of the second thread spindle 12, needs to take out file to place Second electromagnet 9, which is powered, closes, and moves upwards this magnetic block 11 under the action of elastic force, blocking the second threaded block 6 again makes It is no longer rotated, to make the second threaded block 6 move right, so that file be driven to move right until right end, rotating electric machine 3 It closes, to make 41 stop motion of sliding shoe, file is taken out, rotating electric machine 3 is reversely opened, and rotating electric machine 3 is connected by power band Dynamic second thread spindle 12 reversion, so that the second threaded block 6 be made to move downward until setting back, repeating aforesaid operations can be multiple File is taken out, until whole taking-ups, the taking-up and storage of file can be completed by repeating above-mentioned whole operation, this device has mechanism Simply, easy to operate, can automatic identification do not store the place of file and realize preferential storage in order, it is effective to utilize Space avoids the waste of storage position, can be automatically positioned when taking out file and take out in same position, succinct convenient and efficiency It is high.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (3)

1. a kind of file with slide plate, including workbench, it is characterised in that: one, which is provided with, in the workbench is put into space, Described be put into the upper end wall of space is provided with a translation space, and translation space left end wall is embedded with a driving motor, described Driving motor right side is connected by power the first thread spindle of right end and the rotation connection of translation space right end wall, first screw thread Axis right end, which is threadedly engaged, is connected with a threaded block, and the first thread spindle right end is through threaded block or so section and and translation space The rotation connection of right end wall, the threaded block lower end surface are fixedly connected with a supporting block, and translation space is run through in the supporting block lower end Lower end wall and be located at be put into space, the supporting block lower end is fixedly connected with a storage block, is provided with one in the storage block Right end wall and lower end wall and the promotion space for being put into space and being connected to, end wall is fixedly connected with the first revolution before and after the promotion space Axis, first rotating shaft front end are rotatably connected to the first pivoted lever, and the first pivoted lever rear end face is fixedly connected with circular First main spring of the first rotating shaft, first main spring rear end is fixedly connected with space aft bulkhead is pushed, described to put Entering left and right in the lower end wall of space, uniformly publication is provided with multiple upper end walls and the storage space that is put into space and is connected to, the storage sky Between left hand end wall be fixedly connected with a symmetrical fixed block, one is provided in the fixed block close to storage space right and left The rotation space being connected to the end wall at center with storage space, rotation space front and back end wall are rotatably connected to the second revolution Axis, second rotating shaft front end are fixedly connected with a cam, and second rotating shaft at cam rear end is fixedly connected There is the second pivoted lever, the one end of second pivoted lever at storage space left and right directions center is through rotation space close to storage It deposits the end wall at the left and right directions center of space and is located in storage space, the second pivoted lever lower end in storage space Face is fixedly connected with a magnetic force magnet, and the second pivoted lever rear end face in rotation space is fixedly connected with around second Second main spring of rotating shaft, second main spring rear end are fixedly connected with rotation space aft bulkhead, described positioned at convex A catch bar is slidably connected in rotation space at wheel upper end, the catch bar lower end is connect with cam slide, the promotion Bar upper end just now rotation space upper end wall and be located at storage space in, the catch bar upper end is fixedly connected with a block, described Rotation space is fixedly connected with the first electromagnet, the rotation space far from the end wall downside at storage space left and right directions center A spring groove is provided in lower end, the spring groove is fixedly connected with a compressed spring, the pressure far from the end wall of magnetic force magnet Contracting spring is fixedly connected with a spring block close to one end of magnetic force magnet, and the spring block upper surface is fixedly connected with one and blocks Block, described to block block upper end through spring groove upper end wall and be located in rotation space, the storage at upper end of fixing block End wall is fixedly connected with symmetrical third rotating shaft before and after space, and third rotating shaft front end is rotatably connected to third and returns Bull stick, the third pivoted lever rear end face are fixedly connected with the third main spring around third rotating shaft, the third revolution Spring rear end is fixedly connected with storage space aft bulkhead, and a upper end wall and multiple storage space lower ends are provided in the workbench Wall connection and right end wall are connected to the taking-up space of free surrounding space, are provided with a space, institute in the lower end wall of the taking-up space It states and is embedded with a rotating electric machine in the wall of space left end, the rotating electric machine right side has been connected by power right end and space Second thread spindle of right end wall rotation connection, the thread spindle, which is threadedly engaged, is connected with the second threaded block, second threaded block The stuck slot that a left hand end wall and lower end wall are connected to space is provided in lower end, second threaded block is interior with the second spiral shell It is provided with the annular groove of the end wall connection space far from the second screw thread axis center centered on line axis, is slided in the taking-up space It is dynamic to be connected with a sliding shoe, the storage groove that a upper end wall and right end wall are connected to taking-up space, institute are provided in the sliding shoe It states sliding shoe lower end surface and is fixedly connected with a driven rod, the driven rod lower end is on taking-up space lower end wall and space End wall and it is located in annular groove, it is empty that multiple electromagnetism one-to-one with storage space is provided in the space lower end wall Between, the electromagnetic space upper end wall is connected to space, the space lower end wall being located between two electromagnetic space It is fixedly connected with one stuck piece, the electromagnetic space lower end wall is fixedly connected with the second electromagnet, second electromagnet upper end It is fixedly connected with an electromagnetic spring, the electromagnetic spring upper end is fixedly connected with a magnetic block, and the magnetic block upper end is through electricity Magnetic space upper end wall and be located at space in.

2. a kind of file with slide plate according to claim 1, it is characterised in that: described stuck piece all may be used with magnetic block To enter in stuck slot to make the second threaded block not be able to rotate.

3. a kind of file with slide plate according to claim 1, it is characterised in that: the elastic force of the compressed spring is long-range In the elastic force of the second main spring, first electromagnet is much larger than the bullet of compressed spring to the elastic force of magnetic magnet after being powered Power.