CN111387723A - Borrow book case of returning - Google Patents

Borrow book case of returning Download PDF

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Publication number
CN111387723A
CN111387723A CN202010235819.1A CN202010235819A CN111387723A CN 111387723 A CN111387723 A CN 111387723A CN 202010235819 A CN202010235819 A CN 202010235819A CN 111387723 A CN111387723 A CN 111387723A
Authority
CN
China
Prior art keywords
book
cabinet door
borrowing
cabinet
card
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010235819.1A
Other languages
Chinese (zh)
Other versions
CN111387723B (en
Inventor
李兴超
张雯尧
王雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renfeng Town Central Primary School Jiyang District Jinan City
Original Assignee
Renfeng Town Central Primary School Jiyang District Jinan City
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renfeng Town Central Primary School Jiyang District Jinan City filed Critical Renfeng Town Central Primary School Jiyang District Jinan City
Priority to CN202010235819.1A priority Critical patent/CN111387723B/en
Publication of CN111387723A publication Critical patent/CN111387723A/en
Application granted granted Critical
Publication of CN111387723B publication Critical patent/CN111387723B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/201—Edge features
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/10—Bolts of locks or night latches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/007—Locks for use with special keys or a plurality of keys ; keys therefor the key being a card, e.g. perforated, or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/44—Locks or fastenings for special use for furniture
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/38—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening
    • E06B3/385—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening specially adapted for furniture
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B2003/7046—Door leaves with provisions for locks, hinges or other fittings

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)

Abstract

The invention discloses a borrow book cabinet, which comprises a cabinet body with an opening at one side, wherein the cabinet body comprises a plurality of book storage lattices, the side openings of the book storage lattices are respectively provided with a cabinet door, the cabinet door comprises a cabinet door body, the top end of the cabinet door body is rotatably connected with the cabinet body, the outer side surface of the cabinet door body is provided with a first bulge, the first bulge is provided with a through groove, the lower end surface of the cabinet door body is provided with a second bulge, the book storage lattices are internally provided with labor-saving levers and book placing plates, the one end that the board was placed to books and the bottom of storing up the book check are rotated and are connected, and the other end that the board was placed to books presses on the resistance arm of laborsaving lever, and the power arm of laborsaving lever is equipped with the third arch, and logical inslot interpolation has the card of borrowing books, and the part that the power arm is located between the third arch and the power arm terminal surface is the atress portion, and the atress portion is located the below of the card of borrowing books, borrows the card and the cooperation of atress portion, the protruding cooperation of third arch and second. The invention solves the problem that the existing borrowing and returning bookcase is inconvenient for the registration of registered personnel.

Description

Borrow book case of returning
Technical Field
The invention relates to the field of book borrowing and returning, in particular to a book borrowing and returning cabinet.
Background
In order to facilitate daily study of students, a plurality of classes place book borrowing and returning cabinets in classrooms to facilitate book borrowing of students, and students can go to the book cabinets to borrow and return books every time the students uniformly borrow and return books.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a book borrowing and returning cabinet, when the books need to be borrowed, the books which need to be borrowed are found firstly, and the book borrowing card with the name of the user is inserted into the through groove of the book storage grid where the target book is located, the book borrowing card is pressed downwards, the force-saving lever is driven to rotate anticlockwise by the contact of the bottom end of the book borrowing card and the stress part until the third bulge integrally rotates to the position below the second bulge, at the moment, stopping pressing the book borrowing card, maintaining the state of the labor-saving lever by using the friction force between the book borrowing card and the through groove, opening the cabinet door, taking out the book, because the preset friction force exists between the book borrowing card and the through groove, the book borrowing card of a book borrower who takes out the book is left in the through groove after the book is taken out, therefore, which classmates are not clear at a glance to return the book, the probability of error registration is reduced, and the workload of the registered personnel is reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a book borrowing and returning cabinet comprises a cabinet body with an opening at one side, wherein the cabinet body comprises a plurality of book storage lattices which are arranged along the length direction of the cabinet body, the side opening parts of the book storage lattices are respectively provided with a cabinet door which can only be opened outwards, the top ends of the book storage lattices are all opened, the cabinet door comprises a cabinet door body, the top end of the cabinet door body is rotatably connected with the top end of the cabinet body, the outer side surface of the cabinet door body is provided with a first bulge, the first bulge is provided with a through groove which is communicated up and down, one end of the lower end surface of the cabinet door body, which is far away from the first bulge, is provided with a second bulge, a plurality of book storage lattices are internally provided with labor-saving levers and book placing plates, the fulcrum of the labor-saving levers is positioned at the bottoms of the book storage lattices, one ends of the book placing plates are rotatably connected with one ends, which are far away, the upper portion of the power arm of laborsaving lever is equipped with the third arch, it borrows the book card to lead to the inslot to have inserted, it has the name of the person of borrowing to mark on the book card to borrow, it predetermines frictional force to borrow to exist between book card and the logical groove, the part that the power arm is located between the third arch and the power arm terminal surface is the atress portion, the atress portion is located the below of borrowing the book card, it cooperates the anticlockwise rotation in order to open the cabinet door with the laborsaving lever of atress portion cooperation drive to borrow the book card, the third is protruding to cooperate in order to pin the cabinet door with the second arch.
Preferably, the first protrusion is located at the bottom of the outer side face of the cabinet door body, the bottom of the first protrusion is exposed from the lower portion of the cabinet door body, the through groove is located at the joint of the cabinet door body and the first protrusion, and the side opening of the book storage lattice is sealed by the cabinet door.
Preferably, a fourth protrusion is arranged at the bottom of the inner side face of the cabinet door body, and the second protrusion is located at the lower end face of the fourth protrusion and is far away from one end of the first protrusion.
Preferably, the cabinet door is made of transparent materials.
Preferably, the top openings of the plurality of book storage grids are provided with blocking plates.
Preferably, the top of the side opening of the cabinet body is provided with a cross beam, and the outer side face of the top end of the cabinet door and the outer side face of the cross beam are connected in a rotating mode through hinges.
The invention has the beneficial effects that:
1) when books need to be borrowed, the books needing to be borrowed are found firstly, the book borrowing card with the name of the user is inserted into the through groove of the book storage lattice where the target books are located, the book borrowing card is pressed downwards, the bottom end of the book borrowing card is contacted with the stress part to drive the labor-saving lever to rotate anticlockwise until the third protrusion integrally rotates to the position below the second protrusion, at the moment, the book borrowing card is stopped being pressed, the state is maintained by the aid of friction force between the book borrowing card and the through groove, the cabinet door is opened, the books are taken out, due to the fact that preset friction force exists between the book borrowing card and the through groove, the book borrowing card of a book borrower taking out the books can be left in the through groove after the books are taken out, therefore, which classmates do not return the books clearly, the probability of error in registration is reduced, and workload of the registration personnel is reduced.
2) First arch is located the lateral surface bottom of cabinet door body, and first bellied bottom exposes from the below of cabinet door body, leads to the groove and is located cabinet door body and first bellied combination department for laborsaving lever can be at the space internal rotation that stores up book check and cabinet door and form, and because the side opening that the cabinet door will store up the book check seals, makes unable direct to operate the laborsaving lever and open the cabinet door, can only open the cabinet door through borrowing the book card.
3) The cabinet door body is characterized in that a fourth bulge is arranged at the bottom of the inner side face of the cabinet door body, the second bulge is located on the lower end face of the fourth bulge and is far away from one end of the first bulge, on one hand, enough clearance is reserved between the second bulge and the first bulge to allow the third bulge to rotate, on the other hand, a thicker cabinet door body is not needed, the overall cost of a bookcase is reduced, and the cabinet door is convenient to open.
4) The cabinet door is made of transparent materials, so that the name of books in the book storage lattice can be seen clearly by a borrower.
5) The top end opening part of a plurality of book storage lattices all is provided with a baffle plate, so that the top end opening of the book storage lattices becomes smaller, and borrowing personnel is prevented from taking out a book from the top end opening part of the book storage lattices to a certain extent.
6) All rotate through the hinge between the top lateral surface of a plurality of cabinet doors and the lateral surface of crossbeam and be connected, can make the cabinet door outwards open only.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a borrowing and returning bookcase of the invention;
FIG. 2 is a schematic structural view of a cabinet door in the borrowing and returning bookcase of the invention;
FIG. 3 is a schematic structural view of a book case in the borrowing and returning bookcase of the invention when the book case is in a closed state;
FIG. 4 is a schematic structural view of a book storage grid in the book borrowing and returning bookcase when a book borrowing card is inserted into the through groove;
FIG. 5 is a schematic structural view of a book case in the borrowing and returning bookcase of the invention when the book case is in an open state;
FIG. 6 is a schematic structural view of a book storage case in the borrowing and returning bookcase after a book is taken out, wherein the book storage case comprises:
fig. 7 is a schematic structural diagram of the book borrowing card in the book borrowing and returning cabinet of the invention when being popped up.
In the figure: 1. a cabinet body; 2. a partition plate; 3. a blocking plate; 4. returning the book mouth; 5. a cross beam; 6. a hinge; 7. a cabinet door; 71. a cabinet door body; 72. a first protrusion; 73. a through groove; 74. a fourth protrusion; 75. a second protrusion; 8. a book; 9. a book placement board; 10. a labor-saving lever; 101. a third protrusion; 102. a fulcrum; 11. a book borrowing card.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7, 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.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The invention provides a borrowing and returning bookcase.
A borrowing and returning bookcase comprises a cabinet body 1 with an opening at one side, the cabinet body 1 comprises a plurality of book storage lattices (not marked) which are arranged along the length direction of the cabinet body 1, the side openings of the book storage lattices are respectively provided with a cabinet door 7 which can only be opened outwards, the top ends of the book storage lattices are all opened, the cabinet door 7 comprises a cabinet door body 71, the top end of the cabinet door body 71 is rotatably connected with the top end of the cabinet body 1, the outer side surface of the cabinet door body 71 is provided with a first bulge 72, the first bulge 72 is provided with a through groove 73 which is communicated up and down, one end of the lower end surface of the cabinet door body 71, which is far away from the first bulge 72, is provided with a second bulge 75, the insides of the book storage lattices are respectively provided with a labor-saving lever 10 and a book placing plate 9, a fulcrum 102 of the labor-saving lever 10 is positioned at the bottom of the book storage lattice, one end of the book placing plate, the upper portion of laborsaving lever 10's power arm is equipped with the third arch 101, it has book card 11 to lead to the interpolation of groove 73, book card 11 is last to be marked with the name of the person of borrowing, book card 11 and lead to the existence between the groove 73 and predetermine frictional force, the part that the power arm is located between the protruding 101 of third and the power arm terminal surface is atress portion (not marking), atress portion is located book card 11's below, book card 11 cooperates the laborsaving lever 10 anticlockwise rotation of drive with atress portion in order to open cabinet door 7, the protruding 101 of third cooperates in order to pin cabinet door 7 with the protruding 75 of second. In a specific embodiment, a plurality of partition boards 2 are arranged in the cabinet body 1, and the inside of the cabinet body 1 is divided into a plurality of book storage grids arranged along the length direction of the cabinet body 1 by the plurality of partition boards 2.
In the technical scheme provided by the application, when the book 8 needs to be borrowed, the book 8 to be borrowed is found firstly, the book card 11 with the name of the book card is inserted into the through groove 73 of the book storage lattice of the target book 8, the book card 11 is pressed downwards, the labor-saving lever 10 is driven to rotate anticlockwise by the contact of the bottom end of the book card 11 and the stress part until the third protrusion 101 integrally rotates to the lower part of the second protrusion 75, at the moment, the book card 11 is stopped to be pressed, the labor-saving lever 10 is kept in the state by utilizing the friction force between the book card 11 and the through groove 73, the cabinet door 7 is opened, the book 8 is taken out, and the book card 11 of the book person who takes out the book 8 is left in the through groove 73 after the book 8 is taken out, so that the book 8 is not returned to the book 8 at all, and the probability of error registration is reduced, the workload of the registered personnel is reduced.
Preferably, the first protrusion 72 is located at the bottom of the outer side surface of the cabinet door body 71, the bottom of the first protrusion 72 is exposed from the lower side of the cabinet door body 71, the through slot 73 is located at the joint of the cabinet door body 71 and the first protrusion 72, and the side opening of the book storage grid is closed by the cabinet door 7. First arch 72 is located the lateral surface bottom of cabinet door body 71, and the below of cabinet door body 71 is exposed to the bottom of first arch 72, and logical groove 73 is located cabinet door body 71 and the combination department of first arch 72 for laborsaving lever 10 can be at the space internal rotation that stores up book check and cabinet door 7 and form, and because the side opening that cabinet door 7 will store up the book check seals, make and can't directly operate laborsaving lever 10 and open cabinet door 7, can only open cabinet door 7 through borrowing book card 11.
Preferably, the bottom of the inner side surface of the cabinet door body 71 is provided with a fourth protrusion 74, the lower end surface of the fourth protrusion 74 is flush with the lower end surface of the cabinet door body 71, and the second protrusion 75 is located at one end of the lower end surface of the fourth protrusion 74, which is far away from the first protrusion 72. The bottom of the inner side face of the cabinet door body 71 is provided with the fourth protrusion 74, the second protrusion 75 is located at one end, far away from the first protrusion 72, of the lower end face of the fourth protrusion 74, on one hand, enough clearance is reserved between the second protrusion 75 and the first protrusion 72 to allow the third protrusion 101 to rotate, on the other hand, the thicker cabinet door body 71 is not needed, the overall cost of the bookcase is reduced, and the cabinet door 7 is convenient to open.
Preferably, the cabinet door 7 is made of transparent material. The cabinet door 7 is made of transparent materials, so that the name of books in the book storage lattice can be conveniently seen clearly by a borrower.
Preferably, the top openings of the plurality of book storage grids are provided with the blocking plates 3. In the specific embodiment, the opposite ends of the top openings of the plurality of book storage grids are provided with the strip-shaped blocking plates 3, the opening between the two strip-shaped blocking plates 3 is the book returning opening 4, and the width of the book returning opening 4 is slightly larger than the thickness of the book 8. The top end opening part of a plurality of book storage lattices all is provided with the baffle plate 3, so that the book return opening 4 of the book storage lattices becomes small, the borrowing personnel is prevented from taking out books from the book return opening, and the books 8 can only be taken out by opening the cabinet door 7 through the book borrowing card 11.
Preferably, the top end of the side opening of the cabinet body 1 is provided with a beam 5, and the outer side surfaces of the top ends of the plurality of cabinet doors 7 are rotatably connected with the outer side surfaces of the beam 5 through hinges 6. All rotate through hinge 6 between the top lateral surface of a plurality of cabinet doors 7 and the lateral surface of crossbeam 5 and be connected, can make cabinet door 7 can only outwards open.
The working principle of the invention is as follows:
1) books 8 are placed on the book placing plates 9 of the book storage lattices, at the moment, under the action of gravity of the books 8, the power arm of the labor-saving lever 10 tilts upwards, and the third protrusion 101 is in contact with the inner side surface of the second protrusion 75 to lock the cabinet door 7;
2) when the books 8 need to be borrowed, the books 8 which are wanted to be borrowed are found through the transparent cabinet door 7, and the borrowing card 11 with the name of the user is inserted into the through groove 73 of the book storage grid of the target book 8, the side marked with the name of the borrowing card 11 faces outwards, the borrowing card 11 is pressed downwards, the labor-saving lever 10 is driven to rotate anticlockwise by the contact of the bottom end of the book borrowing card 11 and the stress part until the third bulge 101 integrally rotates to the lower part of the second bulge 75, at the moment, the pressing of the borrowing card 11 is stopped, and by using the friction force between the borrowing card 11 and the through groove 73, so that the labor-saving lever 10 maintains the state, the cabinet door 7 is opened, the book 8 is taken out, the book borrowing card 11 is left in the through groove 73, since the book borrowing card 11 is left in the through groove 73 after the book 8 is taken out, which classmates are not clear at a glance to return the book 8, the probability of registration errors is reduced, and the workload of registered personnel is reduced;
3) after taking out books 8, under the effect of third arch 101, laborsaving lever 10 places the free end of board 9 with unloaded books and sticks up, loosens cabinet door 7, and cabinet door 7 will store up the side opening closure of book check again, and at this moment, borrow book card 11 and be located the top of atress portion, and third arch 101 is located the protruding below of 75 of second.
4) When the books 8 need to be returned, the names of the books are found, the books 8 are placed on the book placing plate 9 of the corresponding book storage grid from the corresponding book returning opening 4, the power arm of the labor-saving lever 10 rapidly tilts upwards under the action of the gravity of the books 8 until the third protrusion 101 contacts with the side face of the second protrusion 75, the cabinet door 7 is locked, the power arm of the labor-saving lever 10 can pop up the book borrowing card 11 in the process of rapidly tilting upwards, and the popped book borrowing card 11 is continuously used in the next book borrowing process.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims (6)

1. A book borrowing and returning cabinet comprises a cabinet body with an opening at one side, wherein the cabinet body comprises a plurality of book storage lattices which are arranged along the length direction of the cabinet body, the side opening parts of the book storage lattices are respectively provided with a cabinet door which can only be opened outwards, the book borrowing and returning cabinet is characterized in that the top ends of the book storage lattices are all opened, the cabinet door comprises a cabinet door body, the top end of the cabinet door body is rotatably connected with the top end of the cabinet body, the outer side surface of the cabinet door body is provided with a first bulge, the first bulge is provided with a through groove which is communicated up and down, one end of the lower end surface of the cabinet door body, which is far away from the first bulge, is provided with a second bulge, a labor-saving lever and a book placing plate are arranged inside the book storage lattices, the fulcrum of the labor-saving lever is positioned at the bottom of the book storage lattices, one end of the book placing plate is rotatably connected with one, the upper portion of the power arm of laborsaving lever is equipped with the third arch, it borrows the book card to lead to the inslot to have inserted, it has the name of the person of borrowing to mark on the book card to borrow, it predetermines frictional force to borrow to exist between book card and the logical groove, the part that the power arm is located between the third arch and the power arm terminal surface is the atress portion, the atress portion is located the below of borrowing the book card, it cooperates the anticlockwise rotation in order to open the cabinet door with the laborsaving lever of atress portion cooperation drive to borrow the book card, the third is protruding to cooperate in order to pin the cabinet door with the second arch.
2. A borrowing and returning bookcase according to claim 1, wherein the first protrusion is located at the bottom of the outer side face of the cabinet door body, the bottom of the first protrusion is exposed from the lower side of the cabinet door body, the through groove is located at the joint of the cabinet door body and the first protrusion, and the cabinet door closes the side opening of the book storage grid.
3. A borrowing and returning bookcase according to claim 2, wherein a fourth protrusion is arranged at the bottom of the inner side surface of the cabinet door body, and the second protrusion is located at one end of the lower end surface of the fourth protrusion, which is far away from the first protrusion.
4. A borrowing and returning bookcase according to claim 3, wherein the cabinet door is made of transparent material.
5. A borrowing and returning bookcase according to claim 1, wherein the top openings of the plurality of book storage compartments are all provided with a blocking plate.
6. A borrowing and returning bookcase according to any one of claims 1 to 5, wherein a cross beam is arranged at the top end of the side opening of the case body, and the outer side surfaces of the top ends of the case doors and the outer side surfaces of the cross beam are rotatably connected through hinges.
CN202010235819.1A 2020-03-30 2020-03-30 Borrow book case of returning Active CN111387723B (en)

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CN111387723B CN111387723B (en) 2022-03-25

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