CN209750255U - But page clamping device of angle modulation and fixed reading frame - Google Patents

Abstract

The utility model belongs to the technical field of the reading device, especially, relate to a but page clamping device of angular adjustment and fixed reading frame, arm pivot radial connection is in around its rotatory tight arm of clamp, press from both sides tight arm and include the xarm, the one end of xarm is connected in the arm pivot, and its other end is connected in the one end of founding the arm, the other end of founding the arm is connected in adjusting and is pointed the ball, the xarm articulates the rubber circle, the utility model provides a prior art exist because the spring clamp force descends to lead to the visual angle of characters inconsistent on the different positions of page, eyes are tired easily, influence the travelling comfort of reading and the problem of efficiency, have travelling comfort and efficient, the clamping force ratio is even, can press from both sides tight thickness range wide, simple structure's beneficial technological effect.

Description

but page clamping device of angle modulation and fixed reading frame

Technical Field

The utility model belongs to the technical field of the reading device, especially, relate to a but page clamping device of angular adjustment and fixed reading frame.

Background

Since ancient times, readers have silently suffered from the inconvenience of reading, people cannot find a light and practical auxiliary tool, and only need to hold a book for reading, and until now, people are still exploring how to use the auxiliary tool, a book pressing plate which is elastic and easy to operate, a book can not be hinged by itself, and the book can not be pressed by hands any more, a method and a device, in the traditional reading frame design, the page is clamped by utilizing the deformation force of the spring, the thicker the book is, the larger the deformation of the spring is, the larger the elastic clamping force is, due to the long-term use, the spring is prone to permanent deformation or failure, the elastic clamping force is reduced, and when the clamping force is less than the expansion force of the book pages, the fixation of the page is unreliable, the page is automatically turned into a column shape, the prior art has the defects that the clamping force of a spring is reduced, therefore, the visual angles of the characters at different positions of the page are inconsistent, the eyes are easy to fatigue, and the comfort and the efficiency of reading are influenced.

Disclosure of Invention

The utility model provides a but page clamping device of angular adjustment and fixed reading frame to it descends because the spring clamp force to have proposed prior art in solving above-mentioned background art, thereby leads to the visual angle of characters inconsistent on the different positions of page, and eyes are tired easily, influence the travelling comfort of reading and the problem of efficiency.

The utility model provides a technical problem adopt following technical scheme to realize: the utility model provides a but page clamping device of angularly adjustment and fixed reading frame, includes the bookshelf plate, a bookshelf plate surface sets up clamping device, clamping device is including setting up in the vertical arm pivot of bookshelf plate, the arm pivot is radial to be connected in the tight arm of clamp around its rotation, it includes the xarm to press from both sides tight arm, the one end of xarm is connected in the arm pivot, and its other end is connected in the one end of standing the arm, the other end of standing the arm is connected in the regulation and is pointed the ball, the xarm articulates the rubber circle.

Further, the rubber ring is a high damping rubber ring.

Furthermore, the rubber ring is in adhesive contact with the table top supported on the bookshelf plate.

Further, the adjustment means that the ball grips and fixes the pages of the bookshelf plate by viscoelastic resistance and frictional resistance.

Furthermore, the adjusting finger ball positions the thickness of the book through the gap distance between the adjusting finger ball and the front face of the bookshelf.

further, the range of the gap distance is 0mm ~ 62 mm.

The beneficial technical effects are as follows:

1. The utility model adopts a surface of the bookshelf plate to be provided with a clamping device, the clamping device comprises a vertical arm rotating shaft arranged on the bookshelf plate, the arm rotating shaft is radially connected with a clamping arm rotating around the arm, the clamping arm comprises a cross arm, one end of the cross arm is connected with the arm rotating shaft, the other end of the cross arm is connected with one end of the vertical arm, the other end of the vertical arm is connected with a regulating finger ball, the cross arm is connected with a rubber ring in a ring way, the reading frame adopts a high damping rubber ring to contact with the surface of the bookshelf, the viscoelastic resistance is utilized to clamp and fix pages, the clamping arm rotates around the rotating shaft, the books are put into a gap between the finger ball and the front surface of the reading frame, the rotating arm and the rotating finger ball extrude the books, the pages are adjusted to a proper visual angle, the arms clamp and fix the books, the periphery of the, books are easy to clamp, and the comfort and the efficiency of reading are improved.

2. This patent adopts the rubber circle is high damping rubber circle, rubber circle viscous contact is in the mesa that supports in the bookshelf board, the rubber circle adopts high damping elastic material, the rubber circle cross section is the rectangle, the width is 5mm, tight arm is pressed from both sides to the rubber circle internal circumference, the bottom and the bookshelf mesa in close contact with of rubber circle periphery, the rubber circle warp and produces elastic force extrusion bookshelf mesa, because the rubber circle has higher viscoelastic damping and frictional damping, produce stable viscoelastic and frictional resistance, stable resistance realizes that the page reliably presss from both sides tightly and keeps, high damping rubber circle shock-absorbing capacity is strong simultaneously, good dynamic property has, viscoelastic resistance and frictional resistance that the rubber circle produced do not change along with this thickness of book, the clamping force ratio of the tight arm is even in arbitrary angle of arm location and position.

3. this patent adopts the regulation indicates that the ball presss from both sides tight and the page of fixed bookshelf board through viscoelastic resistance and frictional resistance, the regulation indicates that the ball fixes a position books thickness through its and the positive space distance of bookshelf, the scope of space distance is 0mm ~ 62mm, because the regulation indicates the ball and the positive space distance of bookshelf, confirms that this is exactly to turn over a page or turn over a page and fix a position back books thickness, and the control range in space is 0 ~ 65mm, can press from both sides the paper of 65mm thickness at the biggest.

4. This device arm clamp force of this patent is moderate, and the page presss from both sides tightly and fixed knot constructs simply, reliably.

Drawings

Fig. 1 is a schematic structural view of a page clamping device of a reading rack with adjustable and fixed angle according to the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

In the figure:

1-bookshelf plate, 2-clamping device, 3-arm rotating shaft, 4-clamping arm, 5-cross arm, 6-vertical arm, 7-adjusting finger ball and 8-rubber ring;

Example 1:

In this embodiment: as shown in fig. 1, the page clamping device of the reading frame capable of being angularly adjusted and fixed comprises a bookshelf plate 1, wherein a clamping device 2 is arranged on one surface of the bookshelf plate 1, the clamping device 2 comprises a vertical arm rotating shaft 3 arranged on the bookshelf plate 1, the arm rotating shaft 3 is radially connected with a clamping arm 4 rotating around the clamping device, the clamping arm 4 comprises a cross arm 5, one end of the cross arm 5 is connected with the arm rotating shaft 3, the other end of the cross arm is connected with one end of a vertical arm 6, the other end of the vertical arm 6 is connected with an adjusting finger ball 7, and the cross arm 5 is connected with a rubber ring 8 in an encircling mode.

The rubber ring 8 is a high damping rubber ring 8.

the rubber ring 8 is in adhesive contact with the table top supported on the bookshelf plate 1.

The adjusting finger ball 7 clamps and fixes the page of the bookshelf plate 1 through viscoelastic resistance and frictional resistance.

The adjusting finger ball 7 positions the thickness of the book through the gap distance between the adjusting finger ball and the front face of the bookshelf.

the range of the gap distance is 0mm ~ 62 mm.

The working principle is as follows:

The utility model discloses a through a bookshelf plate surface sets up clamping device, clamping device is including setting up in the vertical arm pivot of bookshelf plate, the arm pivot is radially connected in the tight arm of clamp around its rotation, press from both sides tight arm and include the xarm, the one end of xarm is connected in the arm pivot, and its other end is connected in the one end of grudging post, the other end of grudging post is connected in adjusting and indicates the ball, the xarm articulates the rubber circle, because this reading frame adopts high damping rubber circle and the contact of bookshelf mesa, utilizes viscoelastic resistance to press from both sides tight and fixed page, presss from both sides tight arm and revolves the rotation of axes, puts into the books and indicates ball and bookshelf positive clearance, and rotatory arm, rotatory finger ball extrude books, after adjusting the page to suitable visual angle, the arm presss from both sides tight fixed books, presss from both sides tight arm periphery and embolias the rubber circle that the internal diameter, therefore, the visual angles of the characters on different positions of the page are inconsistent, eyes are easy to fatigue, the comfort and the efficiency of reading are affected, and the novel page clamping device has the beneficial technical effects of high comfort and efficiency, uniform clamping force ratio, wide clamping thickness range and simple structure.

Utilize the technical scheme of the utility model, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (6)

1. the page clamping device of the reading frame capable of being adjusted in angle and fixed is characterized by comprising a bookshelf plate, wherein a clamping device is arranged on one surface of the bookshelf plate, the clamping device comprises a vertical arm rotating shaft arranged on the bookshelf plate, the arm rotating shaft is radially connected with a clamping arm rotating around the arm rotating shaft, the clamping arm comprises a cross arm, one end of the cross arm is connected with the arm rotating shaft, the other end of the cross arm is connected with one end of a vertical arm, the other end of the vertical arm is connected with an adjusting finger ball, and the cross arm is connected with a rubber ring in an encircling mode.

2. The device as claimed in claim 1, wherein the rubber ring is a high damping rubber ring.

3. The device as claimed in claim 2, wherein the rubber ring is in adhesive contact with a top surface of the bookshelf plate.

4. the device as claimed in claim 1, wherein the adjustment means comprises balls for clamping and fixing the pages of the reading frame plate by means of viscoelastic resistance and frictional resistance.

5. The device as claimed in claim 4, wherein the adjusting finger ball positions the thickness of the book by its clearance distance from the front surface of the bookshelf.

6. the page clamping device of an angularly adjustable and fixable reading stand according ~ claim 5, wherein said clearance distance is in the range of 0mm ~ 62 mm.