CN211154374U

CN211154374U - Expansion bookshelf

Info

Publication number: CN211154374U
Application number: CN201922105216.5U
Authority: CN
Inventors: 徐欣宜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-04
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses an extended bookshelf, which comprises a clamping unit, a rotary lifting unit and an extended unit; the clamping unit comprises a lower clamping plate, an upper clamping plate and a fastening bolt, and a horizontal plane and a vertical plane are respectively arranged on the inner side of the upper clamping plate; the rotary lifting unit comprises a sleeve and a limiting rod, and a plurality of limiting grooves are formed in the limiting rod; the extension unit includes angle modulation nose and information board, the angle modulation nose slides and sets up on the gag lever post, the pressboard chamber has been seted up in the angle modulation nose, the shaft hole intercommunication of wearing out according to board chamber and gag lever post, be provided with the elastic component according to the board intracavity, be provided with according to the board on the elastic component, be provided with the locking sand grip according to the board, the locking sand grip penetrates the spacing inslot, the information board sets up on the angle modulation nose, embedded touch panel on the face of information board. The multifunctional desk can expand the application range of the desk, standardizes the reading posture of students and is suitable for information-based teaching and book teaching.

Description

Expansion bookshelf

Technical Field

The utility model relates to a bookshelf, concretely relates to extension bookshelf.

Background

China is a big population country, and the contradiction between education resources and the growing number of students is increasingly prominent. The number of students in a class is more and more, and the learning space owned by each student is smaller and smaller. Particularly, the desks are usually full of various books in the main learning place. In addition, students often bend over and lie on a desk to read books when learning, and the problems of myopia, humpback and the like are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an extension bookshelf, its application range that can extend the desk, standardizes student's reading posture, can be suitable for to information-based teaching and books teaching homoenergetic.

In order to solve the technical problem, the utility model provides an extended bookshelf, which comprises a clamping unit, a rotary lifting unit and an extension unit; the clamping unit comprises a lower clamping plate, an upper clamping plate and a fastening bolt, the fastening bolt penetrates through the lower clamping plate and the upper clamping plate, and a horizontal plane and a vertical plane are respectively arranged on the inner side of the upper clamping plate; the rotary lifting unit comprises a sleeve and a limiting rod, the sleeve is hinged to the inner side of the upper clamping plate, the limiting rod is horizontally arranged at the free end of the sleeve, and a plurality of limiting grooves are formed in the peripheral surface of the limiting rod along the axis direction of the limiting rod; the extension unit includes angle modulation nose and information board, the angle modulation nose slides and sets up on the gag lever post, the pressboard chamber has been seted up in the angle modulation nose, the shaft hole intercommunication that pressboard chamber and gag lever post wore out, be provided with the elastic component according to the inboard, be provided with according to the board on the elastic component, be provided with the locking sand grip according to the board, the locking sand grip penetrates the spacing inslot, the information board sets up on the angle modulation nose, the bottom of information board is provided with the bearing board, embedded touch panel on the face of information board.

Preferably, a ring sleeve is arranged on the back of the information board, a first sliding rod is arranged in the ring sleeve in a sliding mode, and a paging board is arranged at the top of the first sliding rod.

Preferably, the cross section of the paging plate is in a shape that two crescent moon mirrors are spliced together.

Preferably, a second sliding rod penetrates through the top of the first sliding rod closely, and the paging plate is arranged at the front end of the second sliding rod.

Preferably, the limiting rod is positioned on one side of the sleeve, and the free end of the limiting rod is not shielded.

Preferably, the sleeve comprises an outer pipe and an inner pipe, the bottom end of the outer pipe is hinged to the inner side face of the upper clamping plate, the outer pipe is sleeved on the inner pipe, pin holes are formed in the top of the outer pipe and the inner pipe respectively, the pin holes in the inner pipe are provided with a plurality of pin holes and distributed in the axial direction of the pin holes, and the limiting rod is arranged at the top of the inner pipe.

Preferably, the side surfaces of the lower splint and the upper splint are respectively provided with a convex nose, the fastening bolt is arranged in the two convex noses in a penetrating manner, the two sides of the convex nose of the lower splint are respectively provided with a limiting column, and the limiting columns are clamped on the two sides of the convex nose of the upper splint.

Preferably, a handle is provided at the tip of the fastening bolt.

Preferably, both ends of the pressing plate extend out of the pressing plate cavity.

Preferably, the flat surface is horizontal, and the angle between the standing surface and the flat surface is 120 °.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the centre gripping unit, can expand the application range of desk under the condition that does not occupy the desk space.

2. The utility model discloses a set up rotatory lift unit and extension unit, can adjust the height, position and the angle of information board, make the position of sight under the information board can reach standard posture, avoid the student to appear myopia, bow-backed problem.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of an extension unit.

The device comprises a lower splint 10, an upper splint 11, a fastening bolt 12, a handle 13, a limiting column 14, a flat placing surface 15, a vertical placing surface 16, a sleeve 20, a limiting rod 21, a limiting groove 22, an angle adjusting nose 30, an elastic piece 31, a pressing plate 32, a locking convex strip 33, a pressing plate cavity 34, an information plate 40, a bearing plate 41, a touch panel 42, a ring sleeve 50, a first sliding rod 51, a second sliding rod 52 and a paging plate 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 3, the utility model discloses an expansion bookshelf, which comprises a clamping unit, a rotary lifting unit and an expansion unit.

The clamping unit includes a lower plate 10, an upper plate 11, and a fastening bolt 12. The fastening bolt 12 is inserted into the lower clamp plate 10 and the upper clamp plate 11. The upper plate 11 is provided with a horizontal surface 15 and a vertical surface 16 on the inner side thereof. The rotary lifting unit comprises a sleeve 20 and a stop rod 21. The sleeve 20 is hinged inside the upper jaw 11. The stop lever 21 is horizontally disposed at the free end of the sleeve 20. The circumferential surface of the limiting rod 21 is provided with a plurality of limiting grooves 22 along the axis direction. The expansion unit includes an angle adjustment nose 30 and an information board 40. The angle adjusting nose 30 is slidably disposed on the stopper rod 21. A pressing plate cavity 34 is arranged in the angle adjusting nose 30. The pressing plate cavity 34 is communicated with a shaft hole penetrating through the limiting rod 21. The pressing cavity 34 is provided with an elastic member 31 therein. The elastic member 31 is provided with a pressing plate 32. The pressing plate 32 is provided with a locking rib 33. The locking projection 33 extends into the stopper groove 22. The message board 40 is provided on the angle adjusting nose 30. The bottom of the information board 40 is provided with a support plate 41. A touch panel 42 is embedded in the surface of the information board 40. The clamping unit can clamp the bookshelf on one side of the desktop; the flat surface 15 and the upright surface 16 can respectively lay and erect the sleeve 20 to make room for a desktop or turn the information board 40 to the front of a user; the sleeve 20 can adjust the height of the information plate 40, and the limiting rod 21 can adjust the position of the information plate 40; pressing the pressing plate 32 to make the locking convex strip 33 extend into or pull out of the limiting groove 22, so as to fix or adjust the angle of the information plate 40; the touch panel 42 is capable of displaying information; the information board 40 and the supporting board 41 can support books, and reading is facilitated. The optimized structure can expand the use range of the desk and does not occupy the space of the desk; the height, position and angle of the information board 40 are adjustable, the use is convenient, and the myopia and humpback of children caused by irregular reading posture can be avoided.

The information plate 40 is provided at the rear surface thereof with a collar 50. A sliding rod I51 is arranged in the ring sleeve 50 in a sliding mode. The top of the first sliding rod 51 is provided with a paging plate 53. The page separation plate 53 can block the joint of the opened book, so that the opened book is kept in an open state, and a hinge is avoided; meanwhile, the book can be fixed on the information board 40 and is prevented from falling off.

As a further improvement of the present invention, the cross section of the above-mentioned louver 53 is in the shape of two crescent-shaped pieces which are mirror images and are spliced together. It can be fit between two pages of paper of books, and it is effectual to pave.

As a further improvement of the present invention, a second sliding rod 52 is closely inserted into the top of the first sliding rod 51. The second sliding rod 52 is provided with a second hinge plate 53. The second sliding rod 52 can finely adjust the distance between the paging plate 53 and the information plate 40, so that the book with different thicknesses can be suitable.

As a further improvement of the present invention, the limiting rod 21 is located on one side of the sleeve 20. The free end of the stop lever 21 is free of shielding. The information board 40 can slide down from the stopper rod 21, and the information board 40 can be used alone.

The above-mentioned sleeve 20 includes an outer tube and an inner tube. The bottom end of the outer tube is hinged on the inner side surface of the upper clamping plate 11. The outer pipe is sleeved on the inner pipe. The top of the outer pipe and the inner pipe are both provided with pin holes. The pin holes on the inner pipe are distributed along the axial direction. The stop lever 21 is arranged at the top of the inner tube. The height of the information board can be adjusted by pinning different pin holes on the inner pipe on the pin holes of the outer pipe.

The side surfaces of the lower splint 10 and the upper splint 11 are respectively provided with a nose. The fastening bolts 12 are arranged in the two convex nose cavities in a penetrating way. The lower splint 10 is provided with a stopper post 14 at both sides of its nose, respectively. The spacing posts 14 are clamped on both sides of the nose of the upper splint 11. The limiting columns 14 can limit the relative rotation of the lower clamping plate 10 and the upper clamping plate 11 and avoid falling.

As a further improvement of the present invention, a handle 13 is provided on the top end of the fastening bolt 12. The handle 13 can facilitate the screwing of the fastening bolt 12.

As a further improvement of the present invention, both ends of the pressing plate 32 extend out of the pressing plate cavity 34. When pressing, the index finger and the middle finger respectively press the two ends of the pressing plate 32, the thumb is pinched on the information board 40, the ergonomics is met, discomfort cannot be caused, the two ends exert force simultaneously, the locking convex strip 33 is more stable when being pulled out, and the unlocking is accurate.

As a further improvement of the utility model, the flat surface is 15 horizontal. The angle between the standing surface 16 and the flat laying surface 15 is 120 degrees.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An expansion bookshelf is characterized by comprising a clamping unit, a rotary lifting unit and an expansion unit;

the clamping unit comprises a lower clamping plate, an upper clamping plate and a fastening bolt, the fastening bolt penetrates through the lower clamping plate and the upper clamping plate, and a horizontal plane and a vertical plane are respectively arranged on the inner side of the upper clamping plate;

the rotary lifting unit comprises a sleeve and a limiting rod, the sleeve is hinged to the inner side of the upper clamping plate, the limiting rod is horizontally arranged at the free end of the sleeve, and a plurality of limiting grooves are formed in the peripheral surface of the limiting rod along the axis direction of the limiting rod;

the extension unit includes angle modulation nose and information board, the angle modulation nose slides and sets up on the gag lever post, the pressboard chamber has been seted up in the angle modulation nose, the shaft hole intercommunication that pressboard chamber and gag lever post wore out, be provided with the elastic component according to the inboard, be provided with according to the board on the elastic component, be provided with the locking sand grip according to the board, the locking sand grip penetrates the spacing inslot, the information board sets up on the angle modulation nose, the bottom of information board is provided with the bearing board, embedded touch panel on the face of information board.

2. The expanding bookshelf according to claim 1, wherein a loop is arranged on the back of the information board, a first slide bar is arranged in the loop in a sliding mode, and a paging board is arranged on the top of the first slide bar.

3. The expanded bookshelf according to claim 2, wherein the cross section of the page separating plate is in a shape that two crescent moon mirrors each other are spliced together.

4. The expanding bookshelf according to claim 2, wherein a second sliding rod is closely penetrated through the top of the first sliding rod, and the paging plate is arranged at the front end of the second sliding rod.

5. The expanded bookshelf according to claim 1, wherein the limiting rod is positioned on one side of the sleeve, and the free end of the limiting rod is free from shielding.

6. The expandable bookshelf according to claim 1, wherein the sleeve comprises an outer tube and an inner tube, the bottom end of the outer tube is hinged to the inner side surface of the upper clamping plate, the outer tube is sleeved on the inner tube, pin holes are formed in the top of the outer tube and the inner tube, the pin holes in the inner tube are distributed along the axial direction of the inner tube, and the limiting rod is arranged at the top of the inner tube.

7. The expandable bookshelf according to claim 6, wherein the lower clamping plate and the upper clamping plate are respectively provided with a protruding nose on the side surface, the fastening bolt is arranged in the two protruding noses in a penetrating manner, the lower clamping plate is respectively provided with a limiting column on the two sides of the protruding nose of the lower clamping plate, and the limiting columns are clamped on the two sides of the protruding nose of the upper clamping plate.

8. The expanded bookshelf according to claim 7, wherein a handle is provided at the top end of the fastening bolt.

9. The expanded bookshelf according to claim 1, wherein both ends of the pressing plate extend out of the pressing plate cavity.

10. An expanded bookshelf according to claim 1, wherein the flat surface is horizontal, and the vertical surface forms an angle of 120 ° with the flat surface.