CN110448063B

CN110448063B - Book shelf with book anti-toppling device

Info

Publication number: CN110448063B
Application number: CN201910772380.3A
Authority: CN
Inventors: 周泰冰; 张彩霞; 田野; 韩靖
Original assignee: Shandong University of Traditional Chinese Medicine
Current assignee: Shandong University of Traditional Chinese Medicine
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2021-02-05
Anticipated expiration: 2039-08-21
Also published as: CN110448063A

Abstract

The invention discloses a book shelf with a book anti-toppling device, and relates to the technical field of book carriers. According to the invention, through the matching of the structures, the anti-toppling mechanism is additionally arranged on the book carrying vehicle, so that the phenomenon of toppling in the book carrying process is avoided, and the problem that the book falls to the ground and is damaged due to the fact that the carrying vehicle is easy to topple when too many books are carried due to the simple structure of the traditional book carrying vehicle is solved.

Description

Book shelf with book anti-toppling device

Technical Field

The invention relates to the technical field of book carriers, in particular to a book shelf with a book anti-toppling device.

Background

A large number of books borrowed from the library are returned every day, and when the books are returned, the library staff often place the books on the carrier and then place the books back on the bookshelf according to the classified numbers of the books.

Traditional books carrier structure is comparatively simple to when carrying books too much, the phenomenon that the carrier took place to empty very easily, and then caused books to drop to subaerial emergence and destroy.

Disclosure of Invention

The invention aims to provide a book shelf with a book anti-toppling device, which is provided with an anti-toppling mechanism additionally arranged on a book carrying vehicle, so that the phenomenon of toppling during the book carrying process is avoided, and the problem that the book falls to the ground and is damaged because the carrying vehicle is easy to topple when the books are carried too much due to the simple structure of the traditional book carrying vehicle is solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a book shelf with books anti-overturning device, includes book case and braced frame body, the lower fixed surface of book case is connected with the backup pad, the equal fixedly connected with back shaft in front and back side of backup pad, two the tip of back end of back shaft all rotates through bearing cooperation and connects at braced frame body's medial surface, braced frame body is close to two first gyro wheel mount pads of the equal fixedly connected with of lower surface of its both sides, four the equal fixed mounting of lower extreme of first gyro wheel mount pad has first gyro wheel.

And a rolling mechanism is fixedly arranged on the lower surface of the supporting plate.

Preferably, the rolling mechanism comprises four rectangular cylinders, every two rectangular cylinders are respectively and fixedly connected to the lower surfaces, close to the two sides, of the supporting plate, four compression springs are fixedly connected to the inner walls of the rectangular cylinders, four second roller mounting seats are fixedly connected to the end portions of the lower ends of the compression springs, the upper ends of the second roller mounting seats slide up and down along the inner walls of the rectangular cylinders, and four second rollers are fixedly mounted at the lower ends of the second roller mounting seats.

Preferably, the upper surfaces of the supporting frame body close to the two sides of the supporting frame body are fixedly connected with fixed plates, the upper ends of the two fixed plates are hinged with sleeves, one ends of the two sleeves close to the bookcase are respectively provided with a first ball mounting groove, the two sleeves are respectively and fixedly provided with a first ball through the first ball mounting grooves, the outer side surfaces of the two first balls are respectively abutted against the two sides of the bookcase, the inner walls of the two sleeves are respectively sleeved with a sleeve rod, one end of the two sleeve rods far away from the bookcase is respectively provided with a second ball mounting groove, the two sleeve rods are respectively and fixedly provided with a second ball through the second ball mounting grooves, the two ends of the supporting frame body are hinged with electric push rods, the push rods of the electric push rods are hinged with one ends, away from the bookcase, of the two loop bars respectively, and the lower surface of the supporting plate is fixedly provided with an inclination angle sensor and a controller.

Preferably, the output end of the inclination angle sensor is in signal connection with the input end of the controller, and the output end of the controller is in signal connection with the input ends of the two electric push rods.

Preferably, the upper surface of the supporting frame body is fixedly connected with a handle, and the outer side surface of the handle is provided with anti-skid grains.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the supporting plate can rotate relative to the supporting frame body through the supporting plate, the supporting shaft, the supporting frame body, the first roller mounting seat, the first roller, the rectangular cylinder, the compression spring, the second roller mounting seat and the second roller, so that when the bookcase is toppled to cause the gravity center of the bookcase to deviate leftwards or rightwards, the gravity center of the supporting frame body cannot be directly influenced, and the stability of the bookcase is indirectly improved by utilizing the process that the four first rollers roll along the ground.

According to the invention, the book cabinet is toppled over when the book cabinet is inclined by the aid of the fixing plate, the sleeve, the first ball, the sleeve rod, the second ball, the electric push rod, the inclination angle sensor and the controller, the sleeve rod and the sleeve rotate by taking a hinge point between the sleeve and the fixing plate as a circle center, and then the lateral surface of the first ball is abutted against the lateral surface of the book cabinet and the lateral surface of the second ball to be always abutted against the ground, so that the book cabinet returns to a stable state.

To sum up, possessed and add anti-toppling mechanism to books carrier, avoided taking place the phenomenon of empting in books handling, solved traditional books carrier structure comparatively simple to when carrying books too much, the phenomenon that the carrier took place to topple over very easily, and then caused books to drop to subaerial problem of taking place to destroy.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional rear structural elevation view of the support frame of the present invention;

FIG. 3 is a top view of the structure of the bookcase, support plates, support shafts, support frame and handle of the present invention;

FIG. 4 is a left side view of the support frame and handle structure of the present invention;

FIG. 5 is a front view of a rectangular cylinder with a cross-section of a compression spring, a second roller mount and a second roller configuration of the present invention;

FIG. 6 is a left side view of the loop bar and second roller configuration of the present invention;

FIG. 7 is a front view of the sleeve of the present invention with a cross-section of the rear shank structure.

In the figure: the device comprises a bookcase 1, a supporting plate 2, a supporting shaft 3, a supporting frame 4, a first roller mounting seat 5, a first roller 6, a rolling mechanism 7, a rectangular cylinder 8, a compression spring 9, a second roller mounting seat 10, a second roller 11, a fixing plate 12, a sleeve 13, a first ball 14, a loop bar 15, a second ball 16, an electric push rod 17, an inclination angle sensor 18, a controller 19 and a handle 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: a book shelf with a book anti-toppling device comprises a book cabinet 1 and a supporting frame body 4, wherein an electric push rod 17, an inclination angle sensor 18 and a controller 19 related in the invention do not improve the operation principle, so that excessive expression is not performed, a supporting plate 2 is fixedly connected to the lower surface of the book cabinet 1, supporting shafts 3 are fixedly connected to the front side and the rear side of the supporting plate 2, the end parts of the opposite ends of the two supporting shafts 3 are respectively and rotatably connected to the inner side surface of the supporting frame body 4 through bearings in a matching way, two first roller mounting seats 5 are fixedly connected to the lower surfaces of the supporting frame body 4 close to the two sides of the supporting frame body 4, first rollers 6 are fixedly mounted at the lower ends of the four first roller mounting seats 5, the supporting plate 2 and the supporting frame body 4 for supporting the book cabinet 1 are separated through the supporting shafts 3, so that the supporting plate 2 can rotate relative to the, when the gravity center of the bookcase 1 deviates leftwards or rightwards, the gravity center of the supporting frame body 4 cannot be directly influenced, so that the stability of the bookcase 1 is indirectly improved by utilizing the process that the four first rollers 6 roll along the ground.

The lower surface of the supporting plate 2 is fixedly provided with a rolling mechanism 7.

Further, the rolling mechanism 7 comprises four rectangular cylinders 8, two rectangular cylinders 8 are respectively and fixedly connected to the lower surfaces of the supporting plate 2 close to the two sides of the supporting plate, compression springs 9 are fixedly connected to the inner walls of the four rectangular cylinders 8, the end parts of the lower ends of the four compression springs 9 are respectively and fixedly connected with second roller mounting seats 10, the upper ends of the second roller mounting seats 10 slide up and down along the inner walls of the rectangular cylinders 8, second rollers 11 are fixedly mounted at the lower ends of the four second roller mounting seats 10, when the bookcase 1 is tilted to cause the gravity center of the bookcase 1 to deviate leftwards or rightwards, the two compression springs 9 on one side can be compressed, so that a buffering effect is achieved, the bookcase 1 cannot be tilted together with the supporting frame 4 in a stable state of the supporting frame 4, and therefore when the subsequent loop bars 15 and the sleeves 13 rotate by taking the hinge point between the sleeves 13 and the fixing plate 12, the supporting frame body 4 can be used as a supporting point which is always stable on the ground, so that the outer side surface of the first ball 14 can be pressed against the side surface of the bookcase 1, and the bookcase 1 returns to a stable state.

Further, the upper surfaces of the supporting frame body 4 close to the two sides thereof are fixedly connected with fixing plates 12, the upper ends of the two fixing plates 12 are hinged with sleeves 13, one ends of the two sleeves 13 close to the bookcase 1 are respectively provided with a first ball mounting groove, the two sleeves 13 are respectively fixedly provided with a first ball 14 through the first ball mounting grooves, the outer side surfaces of the two first balls 14 are respectively abutted against the two sides of the bookcase 1, the inner walls of the two sleeves 13 are respectively sleeved with loop bars 15, one ends of the two loop bars 15 far away from the bookcase 1 are respectively provided with a second ball mounting groove, the two loop bars 15 are respectively fixedly provided with a second ball 16 through the second ball mounting grooves, the two ends of the supporting frame body 4 are respectively hinged with electric push rods 17, the push rods of the two electric push rods 17 are respectively hinged with one ends of the two loop bars 15 far away from the bookcase, the output end of the inclination angle sensor 18 is in signal connection with the input end of the controller 19, the output end of the controller 19 is in signal connection with the input ends of the two electric push rods 17, when the bookcase 1 is toppled to cause the gravity center of the bookcase 1 to deviate leftwards or rightwards, the toppling direction of the bookcase 1 can be detected through the inclination angle sensor 18, so that the received toppling direction information is converted into an electric signal to be transmitted to the controller 19, the controller 19 starts the electric push rod 17 at the corresponding position to stretch out according to the transmitted toppling direction (when the toppling direction of the bookcase 1 is leftwards, the electric push rod 17 at the left side is started, and when the toppling direction of the bookcase 1 is rightwards, the electric push rod 17 at the right side is started), through the stretching out of the electric push rod 17, the loop bar 15 and the sleeve 13 rotate by taking the hinge, make book case 1 return to steady state, simultaneously because sleeve 13 cup joints on the lever arm of loop bar 15 to along with the process that electric putter 17 push rod stretches out, make loop bar 15 stretch out sleeve 13 gradually, and then make the lateral surface of second ball 16 all the time with ground butt, indirectly improved braced frame body 4's stability.

Further, the upper surface of the supporting frame body 4 is fixedly connected with a handle 20, the outer side surface of the handle 20 is provided with anti-skid grains, and an operator can push the whole device conveniently through the arranged handle 20.

The working principle is as follows: when the book shelf 1 topples over to cause the gravity center of the book shelf 1 to deviate leftwards or rightwards, the toppling direction of the book shelf 1 can be detected through the inclination angle sensor 18, so that the received toppling direction information is converted into an electric signal to be transmitted to the controller 19, the controller 19 starts the electric push rod 17 at the corresponding position to extend out according to the transmitted toppling direction (when the toppling direction of the book shelf 1 is leftwards, the electric push rod 17 at the left side is started, when the toppling direction of the book shelf 1 is rightwards, the electric push rod 17 at the right side is started), through the extension of the electric push rod 17, the sleeve rod 15 and the sleeve 13 rotate by taking a hinge point between the sleeve 13 and the fixed plate 12 as a circle center, then the outer side surface of the first ball 14 is pressed against the side surface of the book shelf 1, the book shelf 1 returns to a stable state, thereby along with the process that electric putter 17 push rod stretches out, make loop bar 15 stretch out sleeve 13 gradually, and then make the lateral surface of second ball 16 all the time with the ground butt, the indirect stability that has improved braced frame body 4, this in-process is through the back shaft 3 that sets up, make the backup pad 2 that is used for supporting book case 1 can rotate for braced frame body 4, thereby take place to empty at book case 1, when the focus that leads to book case 1 deviates left or right, can not directly influence braced frame body 4's focus, thereby utilize four first gyro wheels 6 along the rolling process in ground, the indirect stability that has improved book case 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a book shelf with books anti-overturning device, includes book case (1) and braced frame body (4), its characterized in that: the lower surface of the bookcase (1) is fixedly connected with a supporting plate (2), the front side and the rear side of the supporting plate (2) are fixedly connected with supporting shafts (3), the end parts of the opposite back ends of the two supporting shafts (3) are matched and rotatably connected to the inner side surface of a supporting frame body (4) through bearings, the lower surface of the supporting frame body (4) close to the two sides of the supporting frame body is fixedly connected with two first roller mounting seats (5), and the lower ends of the four first roller mounting seats (5) are fixedly provided with first rollers (6);

a rolling mechanism (7) is fixedly arranged on the lower surface of the supporting plate (2);

the rolling mechanism (7) comprises four rectangular cylinders (8), every two rectangular cylinders (8) are fixedly connected to the lower surfaces, close to the two sides, of the supporting plate (2) respectively, the inner walls of the four rectangular cylinders (8) are fixedly connected with compression springs (9), the end parts of the lower ends of the four compression springs (9) are fixedly connected with second roller mounting seats (10), the upper ends of the second roller mounting seats (10) slide up and down along the inner walls of the rectangular cylinders (8), and second rollers (11) are fixedly mounted at the lower ends of the four second roller mounting seats (10);

the supporting frame body (4) is close to the upper surface of two sides of the supporting frame body and is fixedly connected with a fixing plate (12) and two, sleeves (13) are hinged to the upper end of the fixing plate (12) and are fixedly connected with one ends of the sleeves (13) close to the bookcase (1), first ball mounting grooves are formed in the two ends of the sleeves (13), sleeves (13) are fixedly provided with first balls (14) and two second ball mounting grooves are formed in one ends of the sleeves (15) far away from the bookcase (1) and are abutted to two sides of the bookcase (1) respectively, sleeve rods (15) are fixedly provided with second balls (16) through the second ball mounting grooves, electric push rods (17) are hinged to two ends of the supporting frame body (4) and are hinged to two push rods of the electric push rods (17) and one ends of the two sleeve rods (15) far away from the bookcase (1) respectively And a tilt angle sensor (18) and a controller (19) are fixedly arranged on the lower surface of the support plate (2).

2. The book shelf with the book toppling prevention device according to claim 1, wherein: the output end of the inclination angle sensor (18) is in signal connection with the input end of the controller (19), and the output end of the controller (19) is in signal connection with the input ends of the two electric push rods (17).

3. The book shelf with the book toppling prevention device according to claim 1, wherein: the upper surface of braced frame body (4) fixed connection has handle (20), the lateral surface of handle (20) is provided with anti-skidding line.