CN203207522U

CN203207522U - Electric lifting bookshelf

Info

Publication number: CN203207522U
Application number: CN 201320209875
Authority: CN
Inventors: 刘保朝; 董海东; 宁煜
Original assignee: Shaanxi Polytechnic Institute
Current assignee: Shaanxi Polytechnic Institute
Priority date: 2013-04-23
Filing date: 2013-04-23
Publication date: 2013-09-25
Anticipated expiration: 2023-04-23

Abstract

The utility model provides an electric lifting bookshelf which is characterized in that the bookshelf comprises two parts of a lifting bookshelf and a fixed bookshelf, rollers are arranged at the bottom of the lifting bookshelf at a certain inclined angle, the bottom of the lifting bookshelf is contacted with an inclined surface, having the same inclined angle, of the top of the fixed bookshelf through the rollers, and the upper part of the lifting bookshelf is stably hung at the upper part of the electric lifting bookshelf through a steel wire rope. According to the electric lifting bookshelf, a high-rise bookshelf can be slowly moved out and descended to an appropriate height, so that books can be conveniently looked up, the practical problem that books on the upper layer are inconvenient to look up in a conventional bookshelf is solved, and the electric lifting bookshelf is labor-saving, safe, reliable, high in degree of automation and simple and convenient to operate.

Description

The electric up-down bookshelf

Technical field

The utility model relates to a kind of electric up-down bookshelf, can make high-rise bookshelf steady decrease height, facilitates consultation and picks and places books.

Background technology

Some are as the place that library, archive office, records room, reference room etc. need be deposited a large amount of books or data, must need to use bookshelf to place books or data with classification, and in order to save the space, it is very high that bookshelf is generally done, the taking of inconvenient books.For the elderly or child, the upper strata books of taking step down on ladder or the stool very dangerous, cause personal injury easily.And existing upper strata liftable bookshelf needs to adopt two Motor Drive, and complex structure, and cost is very high, is not easy to promote the use of.Development along with the national economy room, public cultural undertakings and individual spirit civilization demand, the publication of books, to sell and borrow market increasing, and in the process of selling and borrowing, the personal accident that causes is more and more because step on that height is got book, has caused the significant wastage of enterprises and institutions' manpower and financial resources.

The utility model content

The purpose of this utility model provides a kind of electric up-down bookshelf, and it is too high to solve existing bookshelf upper level, the practical problem of being inconvenient to consult or pick and place books, and motor-driven is saved manpower, and perfect performance is safe and reliable, the automaticity height.

The technical solution of the utility model is: a kind of electric up-down bookshelf, it is characterized in that bookshelf is divided into the lifting bookshelf on top and fixedly bookshelf two parts of bottom, and its joint portion is the inclined plane, and the faying face place is provided with roller; Fixedly the backboard of bookshelf back is through to the top, and fixedly connected two are parallel to each other and the last guide post identical with lifting bookshelf lower beveled gradient, last guide post by the support bar of bookshelf two sides and fixedly bookshelf be fixed with one; On the last guide post positioning wedged block is housed, is dynamically connected with moving sets with last guide post; The middle part is provided with the locating groove of no top box type on the lifting bookshelf, and the contacts side surfaces all around of medial surface and positioning wedged block forms moving sets around the locating groove.

Wherein the lifting bookshelf is fixedlyed connected with guide pad, and the guide pad middle part is provided with leading identical to shank diameter, and the bottom becomes to be inverted flaring vertically-guided hole; When the lifting bookshelf skids off and fixedly the outer surface of each two preceding guide post that are provided with forms the moving sets of guiding up and down about the bookshelf front portion.

Wherein fixedly bookshelf bottom three course top rakes design down, the rear portion forms cavity, drive motors, irreversible worm decelerator and cable drum are installed in the back middle part of cavity, steel wire rope by fixed pulley and movable pulley after, be divided into four strands of less suspension wire ropes of diameter and be separately fixed at four jiaos of lifting bookshelf top, and length is identical, to guarantee that each layer of lifting bookshelf in the process of motion, remains the horizontal direction parallel motion.

The utility model efficiently solves a large amount of displaying placements of books or data, make high-rise bookshelf steady decrease height, conveniently consult, pick and place books, avoid personal accident, and can utilize sheaf space on the bookshelf more fully, deposit more books or data.Motor Drive is adopted in its elevating movement, saves manpower, and perfect performance is safe and reliable, easy and simple to handle, and extremely strong practicality is arranged.

Description of drawings

The complete machine structure sketch that Fig. 1 is to use the situation bottom right to look.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.

As shown in Figure 1, fixedly bookshelf 21 integral body are about 1.6 meters of height, and slightly wideer than books width, length can be according to usage space size specific design.Its bottom is which floor design that turns forward down, books side title is slightly placed obliquely, make the consultant need not to bend over or squat down and check title, and bookshelf and ground contact portion are broadened, guarantee that lifting bookshelf 7 causes the stability of center of gravity reach back bookshelf integral body when skidding off forward, make the rear portion form cavity simultaneously.

Drive motors 1, shaft coupling 2, irreversible worm decelerator 3 are contacted successively, and cable drum 4 and irreversible worm decelerator 3 are coaxial, and are fixed by bolts to the width medium position of rear cavity with fixing bookshelf base plate.Preceding guide post 18 is integrally welded with ring flange 19, is screwed and is connected fixedly face appropriate location, bookshelf 21 left and right sides; Lower stroke switch 20 and upper stroke switch 11 are fixed on appropriate position, the shift position of restriction bookshelf; Fixedly the side cabinet of the left and right sides, bookshelf 21 top is made the inclined-plane of constant slope, the rear portion plate body directly extends to the bookshelf extreme higher position, fixedly connected two are parallel to each other and the last guide post 13 identical with lifting bookshelf 7 lower beveled gradients, last guide post 13 from two sides with support bar and fixedly bookshelf 21 be fixed with one; On the last guide post 13 positioning wedged block 14 is housed, is dynamically connected with moving sets with last guide post 13; The middle part is provided with the locating groove 10 of no top box type on the lifting bookshelf 7, and the contacts side surfaces all around of medial surface and positioning wedged block 14 forms moving sets around the locating groove 10.

Design has identical with two last guide post 13 diameters on the positioning wedged block 14, and the position is corresponding and parallel through hole, with two go up guide posts 13 and form moving sets, positioning wedged block 14 bottoms are put into and are positioned at the rectangle that is fixed on the lifting bookshelf 7 under it and do not have top locating groove 10.Guide pad 9 is fixedlyed connected with lifting bookshelf 7, and guide pad 9 middle parts are provided with identical bottom with preceding guide post 18 diameters and become to be inverted flaring vertically-guided hole 8.Wherein preceding guide post 18 and guide pad 9 two sides respectively have one, symmetric design.

Several rollers 6 are equipped with in lifting bookshelf 7 bottoms, and its setting height(from bottom) raises from front to back gradually, and the line of centres is with fixedly bookshelf 21 upper side panel inclined-planes are parallel.

As shown in Figure 1, steel wire rope 5 is after twining sufficient length in advance on the cable drum 4, middle part vertical drawing behind the bookshelf, after fixed pulley 12 turns to, after walk around the movable pulley 15 that is installed in positioning wedged block 14 front upper parts, be divided into four strands of suspension wire ropes 16 that diameter is less again, be separately fixed at four jiaos of lifting bookshelf 7 tops, and length is identical, guarantees that lifting bookshelf 7 each layers in the process of doing exercises, remain horizontal translation.

What double dot dash line was partly explained among Fig. 1 is that lifting bookshelf 7 skids off along tip chute just, and guide pad 9 and vertical preceding guide post 18 are about to enter and cooperate guiding, the key position the when motion when lifting bookshelf 7 is prepared to descend turns to; What heavy line was explained is the initial position that bookshelf static placement is at ordinary times used.

The utility model can singlely use, and back is placed by wall, also can two one group, use back-to-back, use the 220V AC power, connect control circuit after, two normal open switch that rise, descend are arranged in the correct position of handled easily.During books in the people need take high-rise lifting bookshelf 7 each layers, hand is pinned the decline normal open switch and is not loosed one's grip, drive motors 1 energising is just changeed, be decelerated to suitable rotational speed through irreversible worm decelerator 3, cable drum 4 is pivoted, the steel wire rope 5 that twines is thereon at the uniform velocity launched, lifting bookshelf 7 is the fixing inclined-plane at bookshelf 21 tops in the effect lower edge of gravity, under the effect of roller 6, move to the front lower place smoothly, meanwhile, top positioning wedged block 14 moves along last guide post 13, and it is upwards mobile gradually in locating groove 10, when the front end face of positioning wedged block 14 when being welded on baffle plate 17 contacts of two parallel last guide post 13 front ends, positioning wedged block 14 stops.At this moment, lifting bookshelf 7 is positioned at illustrated double dot dash line position, guide post 18 axis overlapped just before the pilot hole 8 at guide pad 9 middle parts was vertically arranged with two that are positioned at the bookshelf left and right sides, were about to contact, and positioning wedged block 14 does not also break away from fully with locating groove 10.When steel wire rope 5 continuation launch from cable drum 4, lifting bookshelf 7 is under the acting in conjunction of the moving sets of gravity and positioning wedged block 14 and locating groove 10 compositions, be close to fixedly bookshelf 21 positive vertical declines, preceding guide post 18 progresses in the pilot hole 8, form moving sets, when positioning wedged block 14 and locating groove 10 break away from fully, take over the positioning action up and down of being formed moving sets by positioning wedged block 14 and locating groove 10, make lifting bookshelf 7 continue to fall, when reaching proper height, unclamp the decline normal open switch, drive motors 1 stops operating, under the effect of irreversible worm decelerator 3 self-lockings, stable stopping to proper height needs height thereby make high-rise bookshelf reach and be reduced to.

The lower stroke switch 20 of control lifting bookshelf 7 minimum altitudes and the upper stroke switch 11 of its extreme higher position of control, drive motors 1 when moving to minimum altitude or extreme higher position, lifting bookshelf 7 is stopped automatically, guarantee steel wire rope 5 tensions in the whole landing process, avoid it to throw off from pulley or drum grooves because of relaxing and exist, and guarantee the security reliability that bookshelf uses.

When having picked and placeed postscript, press the rising normal open switch, the whole drive system counter-rotating, lifting bookshelf 7 is returned to initial position just under the effect of upper stroke switch 11, and bookshelf can recover former state.

Claims

1. an electric up-down bookshelf is characterized in that bookshelf is divided into the lifting bookshelf (7) on top and fixedly bookshelf (21) two parts of bottom, and its joint portion is the inclined plane, and the faying face place is provided with roller (6); Fixedly the backboard of bookshelf back is through to the top, and fixedly connected two are parallel to each other and the last guide post (13) identical with lifting bookshelf (7) lower beveled gradient, last guide post (13) by the support bar of bookshelf two sides and fixedly bookshelf be fixed with one; Positioning wedged block (14) is housed on the last guide post (13) to be dynamically connected with moving sets with last guide post (13); Lifting bookshelf (7) is gone up the locating groove (10) that the middle part is provided with no top box type, and locating groove (10) is the formation of the contacts side surfaces all around moving sets of medial surface and positioning wedged block (14) all around.

2. electric up-down bookshelf as claimed in claim 1 is characterized in that lifting bookshelf (7) fixedlys connected with guide pad (9), and guide pad (9) middle part is provided with identical with preceding guide post (18) diameter and the bottom becomes to be inverted flaring vertically-guided hole (8); Lifting bookshelf (7) when skidding off and fixedly about bookshelf (21) front portion the outer surface of each two preceding guide post (18) that are provided with form the moving sets of guiding up and down.

3. electric up-down bookshelf as claimed in claim 1, it is characterized in that fixedly bookshelf (21) bottom three course top rakes design down, the rear portion forms cavity, drive motors (1), irreversible worm decelerator (3) and cable drum (4) are installed in the back middle part of cavity, after steel wire rope (5) passes through fixed pulley (12) and movable pulley (15), be divided into four strands of less suspension wire ropes (16) of diameter and be separately fixed at four jiaos of lifting bookshelf (7) top, and length is identical, to guarantee each layer of lifting bookshelf (7) in the process of motion, remain the horizontal direction parallel motion.