A kind of adjustable this rack of didactic worksTechnical field
The present invention relates to realia technical field more particularly to a kind of adjustable this racks of didactic works.
Background technology
Teacher can use a large amount of books, therefore teacher can generally be placed using books in teaching and scientific research workBooks are sorted out and are put neat by frame.But traditional book holding rack is usually fixed placement, function is more singleOne, when books are more, the rack volume used is larger, and floor space is larger, at the same to teacher find needed for books whenBring larger trouble, and traditional book holding rack is provided with multilayer from top to bottom, when teacher need to take bottom orWhen the books of person's top layer, teacher need on tiptoe, bend over even to squat down, inconvenience of taking, flexibility is relatively low, and practicability is weaker,Thus it is proposed that a kind of adjustable this rack of didactic works.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the adjustable teaching of one kind proposed is usedBook holding rack.
To achieve the goals above, present invention employs following technical solutions：
The cross section of a kind of adjustable this rack of didactic works, including horizontally disposed pedestal, the pedestal is circleThe top of shape, pedestal is fixed with vertically disposed fixed seat, and the cross section of fixed seat is annular, is slided on the top inner wall of fixed seatDynamic to be connected with horizontally disposed support plate, the bottom end centre position of support plate is fixed with vertically disposed rotating cylinder, rotating cylinderBottom end is equipped with opening, and the bottom end of rotating cylinder is rotatably connected on pedestal, and the top centre position of pedestal is embedded with cylinder, cylinderOutput shaft is connected with vertically disposed telescopic rod, and the top of telescopic rod extends to the inside of rotating cylinder, and telescopic rod is rotatably connected onOn the inner wall of rotating cylinder, the top centre position of support plate is embedded with driving motor, and the output shaft of driving motor is connected with verticallyThe shaft of setting, the outside of shaft are equipped with the fixed cylinder of bottom end opening, and the cross section of fixed cylinder is rectangle, and the bottom end of fixed cylinder is solidDetermine on the supporting plate, the top of shaft is rotatably connected on the top inner wall of fixed cylinder, and horizontally disposed shifting is socketed in shaftMovable plate, movable plate are located at the inside of fixed cylinder, and movable plate is slidably connected on the inner wall of fixed cylinder, on the both sides side wall of movable plateBe equipped with horizontally disposed movable block, the outside of fixed cylinder is equipped with rack, the vertical tangent plane of rack be it is inverted U-shaped, rackCross section is rectangular-ambulatory-plane, and bottom end and the support plate of rack contact with each other, and the one end of movable block far from movable plate passes through fixed cylinderInner wall be fixed on the inner wall of rack.
Preferably, the top of the telescopic rod is fixed with horizontally disposed fixed block, and the cross section of fixed block is circle, GuThe side wall for determining block is equipped with external screw thread, and the inner wall of rotating cylinder is equipped with internal thread, the inner thread connection of fixed block and rotating cylinder.
Preferably, the side wall of the support plate is equipped with horizontally disposed sliding block, and water is provided on the top inner wall of fixed seatThe cross section of the sliding slot of flat setting, sliding slot and sliding block is annular, and sliding block is rotatably connected in sliding slot.
Preferably, the side wall of the shaft is equipped with external screw thread, and the inner wall of movable plate is equipped with internal thread, shaft and movementPlate is threadedly coupled.
Preferably, it is provided with vertically disposed shifting chute on the both sides side wall of the fixed cylinder, movable block is slidably connected atIn shifting chute.
Preferably, the inner wall four corners of the rack are fixed there are four vertically disposed partition board, and four array of baffles are arrangedCloth, rack form four placed cavities by four partition boards.
Preferably, be equipped with multiple horizontally disposed placement plates in four placed cavities, placement plate be fixed on rack and everyOn the side wall of plate, the surrounding of rack is equipped with glass door close to the side of placed cavity.
Beneficial effects of the present invention：
1, by the setting of pedestal, cylinder, telescopic rod, rotating cylinder, fixed block, fixed seat, support plate, sliding block and sliding slot,It can need to rotate rack according to teacher, need not walk about can seek all over all books, and floor space is small, flexiblyProperty is strong；
It 2, can be according to teacher's by the setting of driving motor, fixed cylinder, shifting chute, movable plate, shaft and movable blockNeed to lift rack, need not on tiptoe, bend over or the required books that can take of squatting down, take conveniently, flexiblyProperty is strong, highly practical；
3, by the setting of placement plate, glass door and partition board, convenient for sorting out books, prevent inhomogeneous books mixedIt is combined, convenient for finding；
The present apparatus can not only need to rotate rack according to teacher, and need not walk about can seek all over all booksThis, floor space is small, and flexibility is strong, additionally it is possible to need to lift rack according to teacher, need not on tiptoe, bend over orPerson squats down the required books that can take, and takes conveniently, highly practical.
Description of the drawings
Fig. 1 is a kind of elevation cross-sectional view of adjustable this rack of didactic works proposed by the present invention；
Fig. 2 is a kind of top plan view of adjustable this rack of didactic works proposed by the present invention.
In figure：1 pedestal, 2 cylinders, 3 telescopic rods, 4 rotating cylinders, 5 fixed blocks, 6 fixed seats, 7 driving motors, 8 support plates, 9Rack, 10 fixed cylinders, 11 shifting chutes, 12 movable plates, 13 shafts, 14 placement plates, 15 glass doors, 16 movable blocks, 17 sliding blocks, 18Sliding slot, 19 partition boards, 20 placed cavities.
Specific implementation mode
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, completeSite preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of adjustable this rack of didactic works, including horizontally disposed pedestal 1, the cross of pedestal 1Section is circle, and the top of pedestal 1 is fixed with vertically disposed fixed seat 6, and the cross section of fixed seat 6 is annular, fixed seat 6Horizontally disposed support plate 8 is slidably connected on the inner wall of top, the bottom end centre position of support plate 8 is fixed with vertically disposed rotationThe bottom end of rotating cylinder 4, rotating cylinder 4 is equipped with opening, and the bottom end of rotating cylinder 4 is rotatably connected on pedestal 1, the top interposition of pedestal 1It sets and is embedded with cylinder 2, the output shaft of cylinder 2 is connected with vertically disposed telescopic rod 3, and the top of telescopic rod 3 extends to rotating cylinder 4Inside, telescopic rod 3 is rotatably connected on the inner wall of rotating cylinder 4, and the top centre position of support plate 8 is embedded with driving motor 7,The output shaft of driving motor 7 is connected with vertically disposed shaft 13, and the outside of shaft 13 is equipped with the fixed cylinder 10 of bottom end opening, GuThe cross section of safety barrel 10 is rectangle, and the bottom end of fixed cylinder 10 is fixed in support plate 8, and the top of shaft 13 is rotatably connected on fixationOn the top inner wall of cylinder 10, horizontally disposed movable plate 12 is socketed in shaft 13, movable plate 12 is located at the inside of fixed cylinder 10,Movable plate 12 is slidably connected on the inner wall of fixed cylinder 10, and horizontally disposed movable block is equipped on the both sides side wall of movable plate 1216, the outside of fixed cylinder 10 is equipped with rack 9, and the vertical tangent plane of rack 9 is inverted U-shaped, and the cross section of rack 9 is rectangular-ambulatory-plane,The bottom end of rack 9 contacts with each other with support plate 8, and the one end of movable block 16 far from movable plate 12 passes through the inner wall of fixed cylinder 10 solidIt is scheduled on the inner wall of rack 9, the top of telescopic rod 3 is fixed with horizontally disposed fixed block 5, and the cross section of fixed block 5 is circleThe side wall of shape, fixed block 5 is equipped with external screw thread, and the inner wall of rotating cylinder 4 is equipped with internal thread, the inner wall of fixed block 5 and rotating cylinder 4It is threadedly coupled, the side wall of support plate 8 is equipped with horizontally disposed sliding block 17, is provided on the top inner wall of fixed seat 6 horizontally disposedSliding slot 18, the cross section of sliding slot 18 and sliding block 17 is annular, and sliding block 17 is rotatably connected in sliding slot 18, the side wall of shaft 13It is equipped with external screw thread, the inner wall of movable plate 12 is equipped with internal thread, and shaft 13 is threadedly coupled with movable plate 12, and the two of fixed cylinder 10Vertically disposed shifting chute 11 is provided on the side wall of side, movable block 16 is slidably connected in shifting chute 11, the inner wall four of rack 9It is fixed at angle there are four vertically disposed partition board 19, four 19 array arrangements of partition board, rack 9 forms four by four partition boards 19A placed cavity 20 is equipped with multiple horizontally disposed placement plates 14 in four placed cavities 20, and placement plate 14 is fixed on 9 He of rackOn the side wall of partition board 19, the surrounding of rack 9 is equipped with glass door 15 close to the side of placed cavity 20.
Operation principle：By the setting of 20 inner plating 14 of multiple placed cavities, inhomogeneous books can be sorted out, glassGlass door 15 convenient for teacher find needed for books, while having the function that dust-proof, looked for not when in the placed cavity 20 of teacher in the presence ofWhen to required books, start cylinder 2, telescopic rod 3 drives fixed block 5 to be moved up in rotating cylinder 4, since rotating cylinder 4 is solidIt is scheduled in support plate 8, support plate 8 is fixed in sliding slot 18 by sliding block 17 and can not be moved upwards, while fixed block 5 and rotating cylinder4 inner thread connection so that rotating cylinder 4 drives support plate 8 and rack 9 to be rotated, and sliding block 17 is in sliding slot 18 at this timeSliding, with the rotation of rack 9, you can find the books in other placed cavities 20, need not walk about can seek all over all booksThis starts driving motor 7 when required books are located at the top layer or bottom of rack 9, and driving motor 7 drives shaft 13It is rotated, since movable plate 12 is threadedly coupled with shaft 13, while movable plate 12 is fixed on shifting chute 11 by movable block 16It is interior to rotate so that movable plate 12 upwardly or downwardly moves in shaft 13, and movable plate 12 passes through 16 band of movable blockDynamic rack 9 upwardly or downwardly moves, at this time the sliding in shifting chute 11 of movable block 16, with the lifting of rack 9, you canRequired books are moved to the height conveniently taken, need not on tiptoe, bend over or the required books that can take of squatting down, thisDevice can not only need to rotate rack 9 according to teacher, and need not walk about can seek all over all books, take up an area faceProduct it is small, flexibility is strong, additionally it is possible to need to lift rack 9 according to teacher, need not on tiptoe, bend over or squat down i.e.Can take required books, take conveniently, highly practical.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and itsInventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.