CN1114266A

CN1114266A - Book holder

Info

Publication number: CN1114266A
Application number: CN 93121057
Authority: CN
Inventors: 任临正
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-18
Filing date: 1993-12-18
Publication date: 1996-01-03

Abstract

The book holder for making book stand up on desk comprises two supporting plates for holding book, two manipulators for pressing opened pages, and standing legs. With the holder, a book may have its front-back inclination between 20 and 75 deg. and its page opening angle between 90 and 180 deg. It is suitable for books with different sizes and thicknesses.

Description

Bookshelf

The invention belongs to people's a kind of organization plan of firstly appearing that uses stationery when reading.

Since ancient times, hold book with hand always when people read or with hand with books by being attached on the console table, make people's two hands and books divide too busy to get away, reading person usually position differs, attitude is different, reading time is permanent, and promptly fatigue can not be controlled the suitable distance of distinct vision again, influences the fitness of people's vision health and health.

The stationery that will use when purpose of the present invention will provide a kind of people to read.It is easy, compact, a flexible adjustable bookshelf, the page face is established on the console table before the reader independently, its both sides have two manipulators, when controlling it and using, only need a finger one moving under, just can allow it withdraws from, page turning or drop into to carry out and use, because it has freed reader's both hands, extremely make things convenient for and take notes, so for it is named as bookshelf while reading, for people facilitate and benefit when reading, for the cultural undertakings progress is made one's effort.

In addition, bookshelf should possess other complete function, as: it can conveniently solve book page back rake angle a in front, spends to 20 degree by 75 and freely selects for use arbitrarily; Solve the angle of spread b of page, between 180 degree, select for use arbitrarily by 90 degree; To the reader is very convenient useful.For the pupil, it can help to rectify position, keeps the suitable distance of distinct vision, is of value to its health and vision health; For the university student, its convenient reading is convenient to again make a copy of or the literal arrangement simultaneously, makes things convenient for contrast on other data, retrieval and contrast again.One Daepori almanac holder, it can be convenient to by 32 formats to 16 formats, various different-thickness books generally are suitable for, thereby it is the good equipment in reading room, also be the cultural worker. the assistant that the clerical workforce increases work efficiency.

The objective of the invention is to realize by following organization plan:

On the one hand, utilize the formed many friction plates of structural approach of friction plate application technology to interleave superimposed folding body, be used for increasing the quantity of rubbing surface.Such folding body can make between two pages of folding body and no longer can rotate under the small preload pressure of its axle adjusted nut, firmly as one, is necessary to stability in use.Such folding body has utilized in general structure twice: the connection of left and right sides supporting plate, with supporting leg to being connected of supporting plate, finish the task of regulating b angle and the two kinds of functions of use in a angle.On the other hand, also utilized single-sided friction face method to do two plane rocking kinematic pair joints of manipulator, such joint is under small preload pressure on its axle, frictional force is very slight, can just limit it is free to slide, but the moment of flexure ability that can overcome all directions on rubbing surface is big, realize keeping robot manipulator structure light, flexibly, the practical purpose that the stable operation function is arranged again, its architectural feature is only to be contact friction face on the external toroidal ring of single rubbing surface, secondly, manipulator totally be to adopt the organization plan of three armlocks techniques to form, pay joint and the pitching swinging joint on the joint of moving about with the parallel plane isoplanar pendular motion of supporting plate for two, each joint has only one degree of freedom, three armlocks techniques like this make the finger (tip of arm) of manipulator occupy the quantity that point is used in abundant selection on the two dimensional surface of page face, hide literal and character and be unlikely, utilized simultaneously the swing arm and the arm of manipulator again, finished the needs that hold up the versatility suitable with holding different sizes of each reference book width of cloth size and different-thickness books.

Concrete structure of the present invention is provided by following examples and accompanying drawing

Fig. 1 is a general structure of the present invention front shaft side figure; Fig. 2 is the side view of left supporting plate; Fig. 3 is the concrete structure figure of manipulator on the left supporting plate.

The details of the concrete structure that proposes below in conjunction with description of drawings the present invention and function (see figure 1) left side supporting plate (1) thereof and right supporting plate (2) are two Zhang Ping's panels that books lean against, its preceding bottom respectively has a holder bar (3) to be structure as a whole with supporting plate, the books backrest is held up, two manipulators by both sides are attached to the page pressure of launching on the supporting plate, cooperate by supporting leg again, finish it and make the books page establish function on console table independently.

Middle part at left and right sides supporting plate, by up and down two groups each be that the multi-disc friction sheet of one interleaves the superimposed folding body of forming (4) in order to increase the quantity of rubbing surface with supporting plate, left and right sides supporting plate is bonded together, and can relatively rotate around the axostylus axostyle (5) of its axis, open the use exhibition angle b of page face when reading to solve, spend to selecting arbitrarily 180 degree by 90 and to use, make two supporting plates fold, draw in, carry when perhaps using up.Shaft portion between two groups of folding bodies is with sleeve pipe (6) and supports two groups of folding bodies, when the adjusting nut (7) of axostylus axostyle upper end twists, make two groups of folding bodies pressurization locking simultaneously or get loose, during locking about supporting plate firmly as one, stable in keeping using.

The back back side at left and right sides supporting plate, a supporting leg (8) is respectively arranged, and it is two fulcrums that move about that support supporting plate, it and following inboard two angle points of supporting plate form four fulcrums, stand on the table, its structural approach (cooperation Fig. 2) also is to adopt folding body (9) that the multi-disc friction sheet interleaves superimposed composition to increase rubbing surface quantity, and the one page and the supporting plate of its folding body are structure as a whole.Another page or leaf is supporting leg (8) by adjusting nut (11) locking positioning on its spindle shaft (10), regulates the different turned positions of supporting leg controlled imperial decree page front and back inclination angle a, spends to 20 degree by 75 and selects use angle, and supporting leg can rely on the supporting plate plane when carrying.

In two sides of left and right sides supporting plate, respectively adorn its concrete structure (see figure 3) of a manipulator (12): swing arm seat (13) is fixed as one at the rear side and the supporting plate of supporting plate, central hole at the swing arm seat, it is in place with swing arm (15) to do mandrel (14) with Universal screw rod, with general spring washer (16), nut (17), with the single rubbing surface between swing arm seat and the swing arm, regulate an amount of preload pressure after, form a fixed point swinging joint of manipulator.In the central hole of the swing arm other end, it is in place with arm seat (19) to do mandrel (18) with Universal screw rod.With general spring washer (20) nut (21),, regulate another the plane rocking joint of moving about that forms manipulator behind an amount of preload pressure with the single rubbing surface between swing arm and the arm seat.The upper part of arm seat is a U-shaped double grip-pieces bearing block, and by string axle (22), locate arm (23) at parallel with supporting plate thereon axis hole place.Arm is to the pitching pivot angle r on supporting plate plane ₁Form the 3rd of manipulator, pitching swinging joint on the joint of moving about.

Three armlocks techniques that form by this spline structure, the fixed point joint, it with the parallel plane plane of supporting plate in swing 170 degree angles, the arm plane of suitable pendulum arm length, swing arm can be born and be held up and hold all kinds of general functions of book width of cloth size that vary in size.Second is moved about its kinematic pair of swinging joint and fixed point joint in same plane, and the pivot angle scope is 360 degree, and it is to cooperate the 3rd freedom of movement that the joint is indispensable.The 3rd the pitching swinging joint on the joint of moving about, it is to supporting plate planar elevation r ₁Spend in 70 degree scopes by 0, in an amount of arm length, it conveniently holds the general of various different-thickness books.Again with drawing spring (24) to connect, arm is pulled to the supporting plate plane between arm and arm seat, the finger made from rubber in the tip of arm (25) improves frictional force, in order to by attached paper, page is steadily launched.Three armlocks techniques like this, the normal maintenance of its finger position contacts with paper is vertical, exempts slip component, and the various cooperations at random in three joints, has the character of the quantity of three dimensions point, makes finger that a lot of selections use location be arranged on paper, does not hide literal.

Claims

1. use when people read stationery firstly appear structure, it comprises the folding body (4) between left supporting plate (1) that books are leaned against and hold up and right supporting plate (2), two supporting plates, the supporting leg of two support plates (8), and two manipulators that form by three armlocks techniques (12) form, it is characterized in that folding body (4) between two supporting plates can select the page use angle of spread (b) arbitrarily; The supporting leg of supporting plate (8) can be regulated inclination angle, written front and back (a) arbitrarily; Manipulator adapts to the location of adhering to of each reference book width of cloth size and different-thickness books; So that page can independently be established on console table.

2. its architectural feature of folding body (4) between two supporting plates according to claim 1 is that the multi-disc friction sheet interleaves the folding body that is built up, and the scope of application of being controlled the page angle of spread (b) by adjusting nut (7) is 90 °---180 °.

3. by the described folding face of claim 2 body (4), it is characterized in that: the supporting sleeve (6) between two groups of folding bodies when twisting adjusting nut (7), the folding body (4) of locking simultaneously or get loose.

4. the supporting leg of two support plates according to claim 1 (8), its architectural feature also is that many friction plates interleave the folding body (9) that is built up, one page of its folding body and supporting plate are one, another page or leaf is supporting leg (8), and the scope of application of being controlled page front and back side angles (a) by its adjusting nut (11) is 20 degree-75 degree.

5. the manipulator that forms by three armlocks techniques according to claim 1 (12), it is characterized in that by a fixed point oscillating motion subjoint, the organization plan of formed three armlocks techniques of elevating movement subjoint on move about kinematic pair joint and joint of moving about of deciding on the joint, the finger of its arm (25) has the character of occupying the quantity of using point between three-dimensional.

6. by the described fixed point of claim 5 joint and the joint of moving about, it is characterized in that being formed two coplanar kinematic pair joints, and on the external toroidal ring of single rubbing surface, be contact friction face by two garden contacted single rubbing surfaces of plane of a loop.

7. by described three joints of claim 5, the pivot angle scope in the joint that it is characterized in that fixing a point is 170 degree; The pivot angle scope in joint of moving about is that the move about pivot angle scopes in the pitching joint on the joint of 360 degree are 0 degree-70 degree.

8. according to the manipulator of claim 1, it is characterized in that the moderate length of manipulator swing arm (15), the arm plane of swing arm can hold up and hold the general of all kinds of different size book width of cloth.

9. by the described manipulator of claim 1, it is characterized in that manipulator, the moderate length of arm (23), the finger of arm (25) can adapt to the general of various different-thickness books.

10. according to the described tangerine structure of claim 1.2.3.4.5.6.7.8.9, it is characterized in that to make page independently to establish on console table.