CN111231542B

CN111231542B - Library is with rotatory newspaper rack

Info

Publication number: CN111231542B
Application number: CN202010199307.4A
Authority: CN
Inventors: 彭学华
Original assignee: Zaozhuang University
Current assignee: Zaozhuang University
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-24
Anticipated expiration: 2040-03-20
Also published as: CN111231542A

Abstract

The invention relates to a rotary newspaper rack for a library, which effectively solves the problems that the existing newspaper rack is inconvenient to move, the newspaper is damaged by a stacking mode, the space utilization rate is low and the newspaper rack cannot rotate; the technical scheme includes that a method for switching use of universal wheels and fixing devices is adopted, fixing and moving are convenient, independent newspaper clamps are adopted, the influence of newspaper stacking on the newspaper is avoided, a fixed supporting disc and a fixing frame are in sliding connection, so that a newspaper rack can be used in a rotating mode, the newspaper clamps can be pulled out in an equal difference mode, people can conveniently select the newspaper, a topic linkage mechanism is adopted, the newspaper clamps can be stretched and contracted along with the newspaper rack when the newspaper rack is lifted, convenience and rapidness are achieved, a newspaper clamp synchronizing device is arranged, the newspaper clamps can be opened synchronously, and the newspaper replacing speed is shortened; the invention has simple structure, improves the newspaper reading experience of people and is convenient and quick to operate.

Description

Library is with rotatory newspaper rack

Technical Field

The invention relates to the field of library newspaper racks, in particular to a rotary newspaper rack for a library.

Background

The library is a mechanism for collecting, arranging and collecting book data for people to read and reference, the library appears 3000 years before the Gongyuan, and has the functions of preserving human cultural heritage, developing information resources, participating in social education and the like; there are often places of reading the newspaper in the library, and the newspaper is usually put on the newspaper rack for people to borrow, but the newspaper rack in the library all has a problem at present:

1. the newspaper racks are all fixed and are inconvenient to move;

2. the existing newspaper rack is generally used for placing newspapers in a stacking manner, so that people are inconvenient to turn over and read, and the newspapers above the newspaper rack need to be lifted for selection, so that the damage to the newspapers is increased;

3. the existing newspaper rack is suspended, so that the space utilization rate of the newspaper rack is very low;

4. the prior newspaper rack is generally not rotatable, and people need to rotate around the newspaper rack to select the newspaper which the people want to read, which is very inconvenient.

Disclosure of Invention

In view of the above situation, the present invention provides a rotary newspaper rack for a library to overcome the defects of the prior art, so as to solve the problems of the prior newspaper rack that the movement is inconvenient, the newspaper is damaged, the space utilization rate of the newspaper rack is low, and the newspaper rack cannot be used in a rotary manner.

In order to achieve the purpose, the invention adopts the following scheme:

the rotary newspaper rack for the library comprises an equipment base and is characterized in that four universal wheels are fixedly connected to the lower end of the equipment base, the upper end of the equipment base is detachably connected with the rotary newspaper rack, the rotary newspaper rack comprises a plurality of newspaper storage areas, the rotary newspaper rack comprises newspaper nameplate areas the same as the newspaper storage areas in number, the newspaper storage areas and the newspaper nameplate areas are alternately arranged, a plurality of newspaper clamping devices are uniformly and fixedly connected to the inside of the newspaper storage areas from top to bottom, each newspaper clamping device comprises newspaper clamp sliding grooves with the same size from left to right, the lower ends of the newspaper clamp sliding grooves are respectively and slidably connected with newspaper clamps with the same size, a button is slidably connected to the front end of each newspaper clamp, and two cylindrical sliding rods are fixedly connected to the rear end of each button from top to bottom, newspaper anchor clamps inside from the front to back two fixed steel sheets of fixedly connected with in proper order, the cylinder slide bar simultaneously with two fixed steel sheet sliding connection, the equal fixedly connected with of fixed steel sheet front end two respectively with two cylinder slide bar coaxial coupling's newspaper clamp compression spring, the equal fixedly connected with of the other end of newspaper clamp compression spring one with cylinder slide bar fixed connection's newspaper clamp initiative slider, newspaper clamp initiative slider about each articulate both ends have a newspaper clamp to rotate the slider, corresponding two from top to bottom newspaper clamp the other end that rotates the slider articulate simultaneously have a sliding connection in newspaper clamp of terminal surface under the newspaper anchor clamps.

Preferably, each newspaper clip sliding groove is provided with a U-shaped sliding groove on the upper end face, and the length of the U-shaped sliding grooves decreases sequentially in an equal difference mode from left to right.

Preferably, the upper end face of the newspaper clamp is fixedly connected with a cylindrical sliding block which is connected in the U-shaped sliding groove in a sliding mode, and every two adjacent cylindrical sliding blocks are connected in a combined mode through a sliding block connecting piece.

Preferably, the slider connection piece combination include a single-layer connection piece and a double-layer connection piece, there is a rectangular spout single-layer connection piece upper end, square slider of fixedly connected with between the double-layer connection piece, square slider sliding connection is in rectangular spout.

Preferably, the rotary newspaper rack is connected with a newspaper clamp telescopic screw rod in the middle in a rotating manner, the newspaper clamp telescopic screw rod is sequentially and uniformly connected with a plurality of cross telescopic nuts through threads from top to bottom, the newspaper clamping device on the same layer surface shares one cross telescopic nut, the cross telescopic nut comprises one cylindrical nut, a plurality of square pipes are uniformly and fixedly connected with the side wall of the cylindrical nut, the ends of the square pipes are respectively and rotatably connected with a grooved roller, a plurality of roller slideways are fixedly connected with the inner side wall of the newspaper storage area, the grooved roller is slidably connected with the roller slideways, a toothed belt is fixedly connected with the side wall of each square pipe, the toothed belt is meshed with a driving gear arranged at the upper end of the cross telescopic nut, and the other end of the toothed belt is fixedly connected with an extension spring fixedly connected with the inner wall of the, the driving gear is coaxially and fixedly connected with a driven gear which is rotatably connected to the inner wall of the rotary newspaper rack, and the driven gear is meshed with a strip-shaped tooth which is fixedly connected to the rear end face of the newspaper clamp on the left side of the newspaper clamping device.

Preferably, newspaper holder telescopic screw lower extreme fixedly connected with one with newspaper holder telescopic screw thread opposite direction's newspaper frame clamping screw, newspaper frame clamping screw upper end fixedly connected with one driven helical gear, driven helical gear perpendicular meshing have a drive helical gear, coaxial fixedly connected with power shaft of drive helical gear, newspaper frame clamping screw threaded connection have a newspaper frame mount, newspaper frame mount include an annular net face, the even fixedly connected with a plurality of fixed support bars of annular net face lower extreme, the fixed support bar lower extreme all rotate and be connected with a cylinder gyro wheel, equipment base lower extreme face is opened has a plurality of circular ports, fixed support bar sliding connection is in circular port.

Preferably, the equipment base under the terminal surface open and to have a small circle annular spout, sliding connection has a plurality of evenly distributed's spring telescopic link in the small circle annular spout, the common fixedly connected with fixed stay disc of spring telescopic link other end, a big circular spout has been seted up to fixed stay disc up end, cylinder gyro wheel sliding connection is in big circular spout.

Preferably, the inner side of the equipment base is provided with a circular clamping table, an annular cylindrical slide rail is arranged below the circular clamping table, and a newspaper clip synchronizing device is connected in the annular cylindrical slide rail in a sliding manner.

Preferably, newspaper holder synchronizer include one with annular cylinder slide rail sliding connection's newspaper holder synchronous rotating disc, newspaper holder synchronous rotating disc and newspaper holder telescopic screw rotate with the axle center and be connected, newspaper holder synchronous rotating disc top with a carousel gear of axle center fixedly connected with, carousel gear engagement have a plurality of and newspaper deposit district inside wall sliding connection's carousel rack, every carousel rack up end all in proper order a plurality of newspaper holder synchronous moving frames of even fixedly connected with.

Preferably, the front end of the newspaper holder synchronous moving frame is fixedly connected with a plurality of newspaper holder synchronous baffles which are uniformly distributed, and the newspaper holder synchronous baffles are respectively contacted with the inner side wall of the newspaper holder close to the outside at the same side behind the newspaper clamping device.

The invention improves the problems that the prior newspaper rack is inconvenient to move, damages the newspaper, has low space utilization rate and cannot be used rotatably;

compared with the prior art, the invention has the advantages that:

1. the adoption of the universal wheel can facilitate the movement of the newspaper rack;

2. the newspaper rack fixing screw and the newspaper rack fixing frame are adopted, and the lifting of the newspaper rack fixing frame is controlled by rotating the screw, so that the newspaper rack is controlled to be fixed and move;

3. the independent newspaper clamps are adopted, one clamp for each newspaper is adopted, and the influence of newspaper stacking on the newspaper is avoided, so that the newspaper is vertically placed, and the space utilization rate of the newspaper rack is increased;

4. the newspaper rack fixing frame is in sliding connection with the fixed supporting disc, and the newspaper rack can be considered to rotate after the newspaper rack is fixed, so that newspaper can be conveniently selected;

5. the U-shaped chutes on the newspaper clip chutes are arranged in an equal difference mode, the newspaper clips can be pulled out in an equal difference mode, and the different distances can just expose the heads of the newspapers, so that people can select the newspaper clips conveniently;

6. the newspaper nameplate area is arranged, so that the general content of the adjacent newspaper can be marked, people can be conveniently guided to quickly find the newspaper which the people want to read, and the selection efficiency is improved;

7. the integrated linkage mechanism is adopted, the newspaper clamp can stretch and retract along with the newspaper rack fixing frame when the newspaper rack fixing frame is lifted, and the operation is convenient and rapid.

8. The newspaper clip synchronizing device is arranged, when the newspaper needs to be replaced, all the newspaper clips can be opened synchronously only by slightly rotating the newspaper clip synchronizing turntable, the newspaper replacing speed is shortened, and the operation is convenient.

Drawings

Fig. 1 is a perspective view of the final assembly of the present invention in an initial state.

Fig. 2 is a perspective view of the assembly of the present invention in a working state.

FIG. 3 is a perspective view of the assembly of the base and the rotary newspaper rack of the present invention.

FIG. 4 is a schematic cross-sectional perspective view of a rotary newspaper rack of the present invention.

Fig. 5 is a perspective view of the newspaper clamping device in the working state of the present invention.

Fig. 6 is a perspective view of the newspaper clamping device in an initial state of the present invention.

FIG. 7 is a perspective view of the assembled relationship of the slider and the connecting piece according to the present invention.

Fig. 8 is a perspective view of the inside structure of the newspaper holder of the present invention.

FIG. 9 is a perspective view of the interior of the rotary newspaper rack in the library.

FIG. 10 is a partial perspective view of the interior structure of the library rotary newspaper rack of the present invention.

FIG. 11 is a perspective view of the newspaper holder synchronizing device according to the present invention.

FIG. 12 is a perspective view of the newspaper holder synchronous moving frame and the newspaper clamping device according to the present invention.

Fig. 13 is a schematic cross-sectional perspective view of the base of the apparatus of the present invention.

FIG. 14 is a perspective view of the newspaper holder synchronizing turntable according to the present invention.

FIG. 15 is a perspective view of the assembly relationship between the newspaper holder synchronizing turntable and the equipment base according to the present invention.

Fig. 16 is a perspective view of the cross-shaped retractable nut of the present invention.

Fig. 17 is a perspective view of the newspaper rack holder of the present invention.

Fig. 18 is a perspective view of the fixed support disk structure of the present invention.

In the figure: 1 equipment base, 2 universal wheels, 3 rotary newspaper racks, 4 newspaper storage areas, 5 newspaper nameplate areas, 6 newspaper clamping devices, 7 newspaper clamping chutes, 8 newspaper clamps, 9 fixed supporting disks, 10 spring telescopic rods, 11 newspaper rack fixing frames, 12 roller slideways, 13U-shaped chutes, 14 slider connecting sheet combinations, 15 single-layer connecting sheets, 16 long-strip chutes, 17 square sliders, 18 double-layer connecting sheets, 19 buttons, 20 cylindrical sliding rods, 21 extension springs, 22 newspaper clamp driving sliders, 23 newspaper clamps, 24 newspaper clamp rotating sliders, 25 newspaper clamp compression springs, 26 fixed steel plates, 27 cylindrical sliders, 28 power shafts, 29 driving helical gears, 30 driven helical gears, 31 newspaper rack fixing screws, 32 newspaper clamp telescopic screws, 33 cross telescopic nuts, 34 belt teeth, 35 driving gears, 36 driven gears, 37 strip-shaped teeth, 38 circular holes, 39 small circular annular chutes, 40 ring shape ka tai, 41 cylindrical nut, 42 square tube, 43 slotted gyro wheels, 44 annular net face, 45 fixed support rod, 46 cylinder gyro wheels, 47 great circle annular spout, 48 newspaper press from both sides synchronizer, 49 newspaper press from both sides synchronous carousel, 50 carousel gears, 51 carousel rack, 52 newspaper press from both sides synchronous movable rack, 53 annular cylinder slide rail, 54 newspaper press from both sides synchronous baffle, 55 carousel gyro wheel, 56 carousel frame, 57 rotation handle.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 18. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment I of the invention relates to a rotary newspaper rack for a library, which comprises an equipment base 1 and is characterized in that four universal wheels 2 are fixedly connected to the lower end of the equipment base 1, when the newspaper rack needs to be transported to other places or needs to be maintained, the newspaper rack is convenient to move, a rotary newspaper rack 3 is detachably connected to the upper end of the equipment base 1, the rotary newspaper rack 3 comprises a plurality of newspaper storage areas 4 for storing newspapers, the rotary newspaper rack 3 comprises newspaper nameplate areas 5 which are the same as the newspaper storage areas 4 in number, the newspaper nameplate areas 5 are hollow inside and can be set into storage cabinets for storing related articles, the space utilization rate of the equipment is improved, the newspaper nameplate areas 5 can classify contents of newspapers on adjacent sides, a user can conveniently and quickly find the newspapers which the user wants to read, the newspaper storage areas 4 and the nameplate areas 5 are alternately arranged, newspaper deposits district 4 and just corresponds a newspaper data plate district 5, the newspaper classification of being more clear, newspaper deposit 4 inside from the top down a plurality of newspaper clamping device 6 of even fixedly connected with in district, every newspaper clamping device 6 from left to right all include a plurality of unanimous newspaper clamp spout 7 of size, newspaper clamp spout 7 equal sliding connection of lower extreme have a newspaper anchor clamps 8 of unanimous size for press from both sides tight newspaper, newspaper anchor clamps 8 front end sliding connection have a button 19, button 19 can control taking and pressing from both sides tightly of newspaper, button 19's rear end from the top down two cylinder slide bars 20 of fixedly connected with, newspaper anchor clamps 8 inside from the front to the back in proper order two mounting plates 26 of fixedly connected with, cylinder slide bar 20 simultaneously with two mounting plates 26 sliding connection, mounting plates 26 front end equal fixedly connected with two respectively with two cylinder slide bars 20 coaxial coupling's newspaper clamp The newspaper holder compression spring 25 is always in a compressed state, the other end of the newspaper holder compression spring 25 is fixedly connected with a newspaper holder driving sliding block 22 fixedly connected with the cylindrical sliding rod 20, the fixed steel plate 26 and the newspaper holder driving sliding block 22 are used for limiting the newspaper holder compression spring 25, the newspaper holder compression spring 25 can be compressed and rebounded, the left end and the right end of the newspaper holder driving sliding block 22 are respectively hinged with a newspaper holder rotating sliding block 24, the other ends of the two newspaper holder rotating sliding blocks 24 which correspond up and down are simultaneously hinged with a newspaper holder 23 which is slidably connected with the lower end face of the newspaper clamp 8, when the button 19 is pressed, the cylindrical sliding rod 20 moves inwards to drive the newspaper holder driving sliding block 22 to move, so as to drive the newspaper holder rotating sliding block 24 to rotate, the newspaper holder rotating sliding block 24 rotates to drive the newspaper holder 23 to slide reversely, therefore, the newspaper clip 23 is released to take off the newspaper, meanwhile, the newspaper clip compression spring 25 is compressed under the action of the newspaper clip driving slide block 22 and the fixing steel plate 26, after the newspaper is taken off, the newspaper clip 23 is clamped again under the resilience action of the newspaper compression spring 25, after the newspaper is read and played, the button 19 is pressed to open the newspaper clip 23, the newspaper is placed in the middle of the newspaper clip 23, and then the button 19 is released to clamp the newspaper.

In the second embodiment, on the basis of the first embodiment, a U-shaped chute 13 is formed in the upper end surface of each newspaper clip chute 7, and the lengths of the U-shaped chutes 13 decrease sequentially in an equal difference manner from left to right, so that when the newspaper clamp 8 is pulled out, the pulling-out distance decreases sequentially in an equal difference manner from left to right, and the equal difference distance can just expose the front part of the newspaper clip, thereby facilitating a user to quickly select the newspaper to be read.

Third embodiment, on the basis of first embodiment, newspaper anchor clamps 8 up end equal fixedly connected with a sliding connection in cylinder slider 27 in the U type spout 13 connects through slider connection piece combination 14 between every two adjacent cylinder slider 27, slider connection piece combination 14 makes correlation between newspaper anchor clamps 8, and when the leftmost newspaper anchor clamps 8 of pulling, other newspaper anchor clamps 8 also can follow the removal for the newspaper clamp uses more conveniently.

Fourth embodiment, on the basis of third embodiment, the slider connecting piece combination 14 include a single-layer connecting piece 15 and a double-layer connecting piece 18, a rectangular spout 16 is arranged at the upper end of the single-layer connecting piece 15, a square slider 17 is fixedly connected between the double-layer connecting pieces 18, and the square slider 17 is slidably connected in the rectangular spout 16.

Fifth embodiment, on the basis of the first embodiment, the middle of the rotary newspaper rack 3 is rotatably connected with a newspaper clamping retractable screw 32, the newspaper clamping retractable screw 32 is sequentially and uniformly connected with a plurality of cross retractable nuts 33 through threads from top to bottom, the newspaper clamping device 6 on the same layer surface shares one cross retractable nut 33, the cross retractable nut 33 comprises a cylindrical nut 41, the side wall of the cylindrical nut 41 is uniformly and fixedly connected with a plurality of square pipes 42, the end of each square pipe 42 is rotatably connected with a grooved roller 43, the grooved roller 43 can limit the cross retractable nut 33, so that the cross retractable nut 33 can only move up and down when the newspaper clamping retractable screw 32 rotates, the grooved roller 43 can reduce the friction force applied to the cross retractable nut 33 in the moving process, the inner side wall of the storage area 4 is fixedly connected with a plurality of newspaper roller slideways 12, the grooved roller 43 is slidably connected to the roller slideway 12, the side wall of the square tube 42 is fixedly connected with a toothed belt 34, the toothed belt 34 is engaged with a driving gear 35 arranged at the upper end of a cross telescopic nut 33, the other end of the toothed belt 34 is fixedly connected with an extension spring 21 fixedly connected to the inner wall of the rotary newspaper rack 3 through the driving gear 35, the extension spring 21 is always in a stretching state, so that the toothed belt 34 is always in a tight state, the driving gear 35 is coaxially and fixedly connected with a driven gear 36 rotatably connected to the inner wall of the rotary newspaper rack 3, the driven gear 36 is engaged with a strip-shaped tooth 37 fixedly connected to the rear end face of the newspaper clamp 8 on the left side of the newspaper clamping device 6, and when the newspaper clamp telescopic screw 32 rotates, the cross telescopic nut 33 is driven to move up and down, so as to drive the toothed belt 34 fixedly connected, the movement of the toothed belt 34 causes the rotation of the driving gear 35, the rotation of the driving gear 35 causes the rotation of the driven gear 36, and the movement of the driven gear 36 causes the movement of the bar-shaped teeth 37 engaged therewith, so that the newspaper holder 8 can be extended or retracted.

Sixth embodiment, on the basis of the fifth embodiment, the lower end of the newspaper clip telescopic screw 32 is fixedly connected with a newspaper rack fixing screw 31 with opposite thread direction, the thread direction is opposite to that of the newspaper rack fixing screw, so that the newspaper clamp 8 extends out when the newspaper rack is fixed, the newspaper clamp 8 retracts when the newspaper rack moves, the upper end of the newspaper rack fixing screw 31 is fixedly connected with a driven helical gear 30, the driven helical gear 30 is vertically engaged with a driving helical gear 29, the driving helical gear 29 is coaxially and fixedly connected with a power shaft 28, the newspaper rack fixing screw 31 is in threaded connection with a newspaper rack fixing rack 11, the newspaper rack fixing rack 11 comprises an annular net surface 44, the strength of the newspaper rack fixing rack 11 can be increased by adopting the annular net surface 44, the stability of the device is improved, the lower end of the annular net surface 44 is uniformly and fixedly connected with a plurality of fixing support rods 45, fixed support bar 45 lower extreme all rotate and be connected with a cylinder gyro wheel 46, can reduce the frictional force that rotates the in-process and receive for it is lighter to rotate the newspaper frame, the terminal surface is opened under the equipment base 1 has a plurality of circular ports 38, fixed support bar 45 sliding connection is in circular port 38, rotates power shaft 28 through external force during the use, and power shaft 28 can drive fixed connection's initiative helical gear 29 with it and rotate, thereby drives driven helical gear 30 rotation of perpendicular meshing with it, and driven helical gear 30 drives the newspaper frame set screw 31 rotation of fixed connection with it, thereby drives newspaper frame mount 11 and reciprocates.

Seventh embodiment, on the basis of the first embodiment, a small circular chute 39 is formed on the lower end surface of the equipment base 1, a plurality of spring telescopic rods 10 which are uniformly distributed are connected in the small circular sliding groove 39 in a sliding way, the spring telescopic rods 10 are always in a compressed state, the other end of the spring telescopic rod 10 is fixedly connected with a fixed supporting disc 9, the upper end surface of the fixed supporting disc 9 is provided with a large circular sliding groove 47, the cylindrical roller 46 is connected in the large circular sliding groove 47 in a sliding way, when the newspaper rack fixing frame 11 moves up and down, the fixing and supporting disk 9 connected with the newspaper rack fixing frame in a sliding way is driven to move synchronously, the fixing and supporting disk 9 drives the spring telescopic rod 10 fixedly connected with the fixing and supporting disk to stretch or compress, when the newspaper rack is fixed, the rotary newspaper rack 3 is rotated to drive the cylindrical roller 46 on the newspaper rack fixing frame 11 to slide in the large circular chute 47.

Eight embodiment, on the basis of embodiment one, 1 inboard of equipment base be provided with a ring shape ka tai 40, ring shape ka tai 40 can dismantle with rotatory newspaper frame 3 and be connected, ring shape ka tai 40 below be provided with a ring cylinder slide rail 53, sliding connection has a newspaper clamp synchronizer 48 in the ring cylinder slide rail 53, and the newspaper has the real-time, needs periodic change, and newspaper clamp synchronizer 48 can open all newspaper clamps 23 simultaneously through rotating when changing the newspaper, and the newspaper on the newspaper frame falls down simultaneously this moment, has just so saved a trouble of down getting of newspaper one, has improved the efficiency of changing the newspaper.

Ninth embodiment, on the basis of the eighth embodiment, the newspaper holder synchronizing device 48 includes a newspaper holder synchronizing turntable 49 slidably connected to the annular cylindrical slide rail 53, the newspaper holder synchronizing turntable 49 includes a turntable frame 56 coaxially and rotatably connected to the newspaper holder expansion screw 32, a rotating handle 57 slidably connected to the side wall of the equipment base 1 is fixedly connected to the side wall of the turntable frame 56, the rotating handle 57 is embedded in the side wall of the equipment base 1 to prevent the newspaper holder from colliding during use, a counter bore is formed in the end face of the rotating handle 57, when the rotating handle 57 needs to be pulled for replacing the newspaper, the handle can be inserted into the long pipe counter bore for pulling, a plurality of turntable rollers 55 slidably connected to the annular cylindrical slide rail 53 are uniformly and fixedly connected to the side wall of the turntable frame 56, the turntable rollers 55 can be slidably adjusted on the turntable frame 56, easy to assemble and dismantle, newspaper holder synchronous turntable 49 top with a carousel gear 50 of axle center fixedly connected with, carousel gear 50 mesh have a plurality of and newspaper deposit 4 inside wall sliding connection's of district carousel rack 51, every carousel rack 51 up end all in proper order a plurality of newspaper holder synchronous movement frame 52 of even fixedly connected with.

In the tenth embodiment, on the basis of the ninth embodiment, the front end of the newspaper holder synchronous moving frame 52 is fixedly connected with a plurality of newspaper holder synchronous baffles 54 which are uniformly distributed, the newspaper holder synchronous baffles 54 are respectively contacted with the outer inner side wall of the newspaper holder 23 at the same side of the rear of the newspaper clamping device 6, when the rotating handle 57 is pulled, the newspaper holder synchronous rotating disc 49 is driven to rotate along the annular cylindrical sliding rail 53, the newspaper holder synchronous rotating disc 49 rotates to drive the rotating disc gear 50 which is fixedly connected with the newspaper holder synchronous rotating disc to synchronously rotate, the rotating disc gear 50 drives a plurality of rotating disc racks 51 which are meshed with the newspaper holder synchronous rotating disc gear to move along the inner side wall of the newspaper storage area 4, the rotating disc racks 51 move to drive the newspaper holder synchronous moving frame 52 which is fixedly connected with the newspaper holder synchronous moving disc 52 to synchronously move, the newspaper holder synchronous baffles 54 at the front end of the newspaper holder synchronous moving frame 52 also move, so as to drive the newspaper, thereby opening newspaper clips 23 simultaneously.

When the invention is used, in an initial state, a newspaper clamp 8 is flatly placed in a newspaper storage area 4, a fixed supporting disc 9 is higher than the ground, at the moment, a universal wheel 2 is in contact with the ground, a newspaper rack can move back and forth, because the newspaper has real-time performance, the newspaper on the newspaper rack needs to be replaced every day or for a plurality of days, a nameplate in a newspaper nameplate area 5 needs to be replaced along with the newspaper rack, before a library is opened every day, related personnel in the library needs to push the newspaper rack to a specified position, after the specified position is reached, an operator needs to rotate a power shaft 28 through electric power or manpower, the power shaft 28 can drive a driving bevel gear 29 fixedly connected with the power shaft to rotate, the driving bevel gear 29 can drive a driven bevel gear 30 vertically meshed with the driving bevel gear to rotate, the driven bevel gear 30 can drive a newspaper rack fixing screw 31 fixedly connected with the driven bevel gear to rotate, and further drive a newspaper rack fixing frame 11 in, the newspaper rack fixing frame 11 drives the fixed supporting disc 9 which is connected with the newspaper rack fixing frame in a sliding way to move downwards until the fixed supporting disc is contacted with the ground to separate the universal wheel 2 from the ground, meanwhile, the newspaper rack fixing screw 31 rotates and simultaneously drives the newspaper rack telescopic screw 32 which is fixedly connected with the newspaper rack fixing screw to rotate reversely, so as to drive the cross telescopic nut 33 which is in threaded connection with the newspaper rack fixing frame to move upwards, because the extension spring 21 is always in a stretching state, the toothed belt 34 moves towards the direction of the extension spring 21 under the rebounding force of the extension spring 21, so as to drive the driving gear 35 to rotate, the driving gear 35 rotates to drive the driven gear 36 which is fixedly connected with the driving gear, the driven gear 36 drives the strip-shaped teeth 37 which are meshed with the driven gear to move outwards, so as to extend the newspaper clamp 8, and at this time, when a user wants to watch, the newspaper can select a large direction through the content introduction on, the newspaper rack can be rotated to select the newspaper, and the specific newspaper can be selected for reading by looking at the head of the newspaper after the general direction is selected.

When the library is closed, the library manager can reversely rotate the power shaft 28, so that the universal wheel 2 gradually approaches the ground until the fixed support disc 9 is separated from the ground, the universal wheel 2 contacts the ground, meanwhile, the cross telescopic nut 33 is driven to move downwards by the rotation of the newspaper clamp telescopic screw 32, so that the toothed belt 34 is pulled to reversely move, so that the strip-shaped teeth 37 are driven to move inwards, and finally, the newspaper clamp is flatly put into the newspaper storage area 4, then the worker can push the newspaper rack into a newspaper replacement room to replace the newspapers and nameplates on the newspaper rack, the newspaper rack is pushed to a designated place for people to use next day, when the newspapers are replaced, the handle lengthening pipe needs to be inserted into the counter bore of the rotating handle 57, then the rotating handle 57 is pulled to slide on the side wall of the equipment base 1, the rotating handle 57 moves to drive the newspaper clamp synchronous turntable 49 to rotate along the annular cylindrical slide rail 53, the newspaper clip synchronous rotating disc 49 rotates to drive the rotating disc gear 50 fixedly connected with the newspaper clip synchronous rotating disc to synchronously rotate, the rotating disc gear 50 drives a plurality of rotating disc racks 51 meshed with the newspaper clip synchronous rotating disc to move along the inner side wall of the newspaper storage area 4, the rotating disc racks 51 move to drive the newspaper clip synchronous moving frame 52 fixedly connected with the newspaper clip synchronous moving frame to synchronously move, a newspaper clip synchronous baffle 54 at the front end of the newspaper clip synchronous moving frame 52 can also move along with the newspaper clip synchronous baffle 54, the newspaper clip synchronous baffle 54 can drive the newspaper clip 23 contacted with the newspaper clip to move, so that all newspaper clips 23 are opened at the same time, the newspapers fall all over, there is no need to take the newspapers one by one, and at the same time the newspaper clip compression spring 25 is compressed, when the rotary handle 57 is released, all the components are returned to the original state by the resilient force of the newspaper holder compression spring 25, and then a new newspaper can be individually held on the newspaper rack by pressing the button 19.

The invention is an improvement of the prior library newspaper rack, and the newspaper rack can be moved conveniently by adopting the universal wheels; the newspaper rack fixing screw and the newspaper rack fixing frame are adopted, and the lifting of the newspaper rack fixing frame is controlled by rotating the screw, so that the newspaper rack is controlled to be fixed and move; the independent newspaper clamps are adopted, one clamp for each newspaper is adopted, and the influence of newspaper stacking on the newspaper is avoided, so that the newspaper is vertically placed, and the space utilization rate of the newspaper rack is increased; the newspaper rack fixing frame is in sliding connection with the fixed supporting disc, and the newspaper rack can be considered to rotate after the newspaper rack is fixed, so that newspaper can be conveniently selected; the U-shaped chutes on the newspaper clip chutes are arranged in an equal difference mode, the newspaper clips can be pulled out in an equal difference mode, and the different distances can just expose the heads of the newspapers, so that people can select the newspaper clips conveniently; the newspaper nameplate area is arranged, so that the general content of the adjacent newspaper can be marked, people can be conveniently guided to quickly find the newspaper which the people want to read, and the selection efficiency is improved; the integrated linkage mechanism is adopted, the newspaper clamp can stretch along with the newspaper rack fixing frame when the newspaper rack fixing frame is lifted, and the operation is convenient and rapid; the invention has simple structure, obvious effect and strong practicability.

Claims

1. Library uses rotatory newspaper rack, including equipment base (1), its characterized in that, equipment base (1) lower extreme fixedly connected with four universal wheels (2), the upper end of equipment base (1) can be dismantled and be connected with a rotatory newspaper rack (3), rotatory newspaper rack (3) include a plurality of newspapers and deposit district (4), rotatory newspaper rack (3) include with the newspaper deposit district (4) the same newspaper nameplate district (5) of quantity, newspaper deposit district (4) and newspaper nameplate district (5) alternate arrangement, newspaper deposit district (4) inside from the top down even fixedly connected with a plurality of newspaper clamping devices (6), every newspaper clamping device (6) all include newspaper clamp spout (7) that a plurality of sizes are unanimous from left to right, newspaper clamp spout (7) lower extreme all sliding connection have a newspaper anchor clamps (8) that the size is unanimous, newspaper holder (8) front end sliding connection have a button (19), the rear end from the top down two cylinder slide bars (20) of fixedly connected with of button (19), newspaper holder (8) inside from the front to back two fixed steel sheet (26) of fixedly connected with in proper order, cylinder slide bar (20) simultaneously with two fixed steel sheet (26) sliding connection, fixed steel sheet (26) the equal fixedly connected with of front end two respectively with two cylinder slide bar (20) coaxial coupling's newspaper press from both sides compression spring (25), the equal fixedly connected with of the other end of newspaper press from both sides compression spring (25) one with cylinder slide bar (20) fixed connection's newspaper press from both sides initiative slider (22), newspaper press from both sides initiative slider (22) about both ends respectively articulate and have a newspaper to press from both sides and rotate slider (24), two that correspond from top to bottom newspaper press from both sides the other end of rotation slider (24) articulate simultaneously in newspaper holder(s) (3), (19) sliding connection 8) Newspaper clips (23) on the lower end face;

rotatory newspaper rack (3) intermediate rotation be connected with a newspaper and press from both sides telescopic screw (32), newspaper press from both sides telescopic screw (32) from the top down even threaded connection in proper order have a plurality of cross telescopic nuts (33), same aspect newspaper clamping device (6) a cross telescopic nut (33) of sharing, cross telescopic nut (33) include a cylindrical nut (41), a plurality of square pipes (42) of the even fixedly connected with of lateral wall of cylindrical nut (41), the end of square pipe (42) all rotates and is connected with a grooved roller (43), a plurality of gyro wheel slides (12) of newspaper storage area (4) inside wall fixedly connected with, grooved roller (43) sliding connection is in gyro wheel slide (12), the equal fixedly connected with toothed belt (34) of lateral wall of square pipe (42), toothed belt (34) meshing has one to arrange driving gear (35) of cross telescopic nut (33) upper end in The other end of the toothed belt (34) is fixedly connected with an extension spring (21) which is fixedly connected to the inner wall of the rotary newspaper rack (3) through a driving gear (35), the driving gear (35) is coaxially and fixedly connected with a driven gear (36) which is rotatably connected to the inner wall of the rotary newspaper rack (3), and the driven gear (36) is meshed with a bar-shaped tooth (37) which is fixedly connected to the rear end face of a newspaper clamp (8) on the left side of the newspaper clamping device (6).

2. The rotary newspaper rack for libraries as claimed in claim 1, wherein each newspaper clip sliding groove (7) is provided with a U-shaped sliding groove (13) on the upper end surface, and the lengths of the U-shaped sliding grooves (13) decrease sequentially in an equal difference from left to right.

3. The rotary newspaper rack for libraries as claimed in claim 2, wherein each newspaper clamp (8) is fixedly connected with a cylindrical sliding block (27) slidably connected in the U-shaped sliding groove (13) at the upper end surface, and every two adjacent cylindrical sliding blocks (27) are connected through a sliding block connecting piece combination (14).

4. The rotary newspaper rack for the library as claimed in claim 3, wherein the sliding block and connecting piece combination (14) comprises a single-layer connecting piece (15) and a double-layer connecting piece (18), the upper end of the single-layer connecting piece (15) is provided with a long sliding groove (16), a square sliding block (17) is fixedly connected between the double-layer connecting pieces (18), and the square sliding block (17) is slidably connected in the long sliding groove (16).

5. The rotary newspaper rack for the library according to claim 1, wherein a newspaper rack fixing screw (31) opposite to the thread direction of the newspaper rack telescopic screw (32) is fixedly connected to the lower end of the newspaper rack telescopic screw (32), a driven helical gear (30) is fixedly connected to the upper end of the newspaper rack fixing screw (31), a driving helical gear (29) is vertically engaged with the driven helical gear (30), the driving helical gear (29) is coaxially and fixedly connected with a power shaft (28), a newspaper rack fixing frame (11) is in threaded connection with the newspaper rack fixing screw (31), the newspaper rack fixing frame (11) comprises an annular net surface (44), a plurality of fixing support rods (45) are uniformly and fixedly connected to the lower end of the annular net surface (44), and a cylindrical roller (46) is rotatably connected to the lower ends of the fixing support rods (45), a plurality of circular holes (38) are formed in the lower end face of the equipment base (1), and the fixed supporting rod (45) is connected into the circular holes (38) in a sliding mode.

6. The library newspaper rack with a rotary function as claimed in claim 5, wherein the lower end surface of the equipment base (1) is provided with a small circular chute (39), the small circular chute (39) is internally slidably connected with a plurality of spring telescopic rods (10) which are uniformly distributed, the other ends of the spring telescopic rods (10) are jointly and fixedly connected with a fixed supporting disc (9), the upper end surface of the fixed supporting disc (9) is provided with a large circular chute (47), and the cylindrical roller (46) is slidably connected in the large circular chute (47).

7. The library newspaper rack with a rotary function as claimed in claim 1, wherein the device base (1) is provided with a circular ring-shaped clamping table (40) on the inner side, a circular cylinder slide rail (53) is arranged below the circular ring-shaped clamping table (40), and a newspaper clip synchronizing device (48) is slidably connected in the circular cylinder slide rail (53).

8. The rotary newspaper rack as claimed in claim 7 for libraries, wherein the newspaper holder synchronizing device (48) comprises a newspaper holder synchronizing rotary disk (49) slidably connected to the circular cylindrical slide rail (53), the newspaper holder synchronizing rotary disk (49) is coaxially and rotatably connected to the newspaper holder expansion screw (32), a rotary disk gear (50) is coaxially and fixedly connected to the upper side of the newspaper holder synchronizing rotary disk (49), the rotary disk gear (50) is engaged with a plurality of rotary disk racks (51) slidably connected to the inner side wall of the newspaper storage area (4), and the upper end surface of each rotary disk rack (51) is sequentially and uniformly and fixedly connected with a plurality of newspaper holder synchronizing movable racks (52).

9. The rotary newspaper rack for libraries as claimed in claim 8, wherein the newspaper rack moving synchronously rack (52) is fixedly connected with a plurality of newspaper rack synchronizing baffles (54) which are evenly distributed at the front end, and the newspaper rack synchronizing baffles (54) are respectively contacted with the inner side walls of the newspaper racks (23) at the same side behind the newspaper clamping device (6).