CN219183079U

CN219183079U - Foldable reading rack

Info

Publication number: CN219183079U
Application number: CN202223445915.2U
Authority: CN
Inventors: 张龙辉; 袁海霞
Original assignee: Xiamen Hospital Zhongshan Hospital Fudan University
Current assignee: Xiamen Hospital Zhongshan Hospital Fudan University
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-16
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a foldable reading frame, which comprises a base, and a support connecting rod, a first connecting rod, a second connecting rod and a third connecting rod which are sequentially connected, wherein the bottom of the support connecting rod is fixed on the base, the first connecting rod is connected with the support connecting rod, the second connecting rod is connected with the first connecting rod and the third connecting rod is connected with the second connecting rod through a first rotating shaft, a second rotating shaft and a third rotating shaft respectively, a fourth rotating shaft is further arranged at the top of the third connecting rod, the side surfaces of the third rotating shaft and the fourth rotating shaft are respectively connected with an objective lens and an eyepiece through universal joints in a rotating way, the objective lens and the eyepiece are plane mirrors with back covering coatings, and the front surfaces of the objective lens and the eyepiece are opposite. The reading frame is not limited by the material of a reading object, and has adjustable height and angle, good flexibility and convenient storage.

Description

Foldable reading rack

Technical Field

The utility model relates to the technical field of reading frames, in particular to a foldable reading frame.

Background

Along with the rapid popularization of electronic products, the learning and working modes of people are greatly changed, and besides the knowledge obtained through the traditional paper books, people can also quickly obtain new information through the electronic products. For people who need to sit down for a long time to read a mobile phone, read books or write, the problems of shoulder and neck pain, dizziness, myopia, humpback and the like are easy to cause, and the physical health and posture are seriously affected. In order to improve the adverse effects of low head reading, many reading holders are now available on the market for holding and supporting books or electronic products, thereby helping people to free up both hands and adjust reading posture. However, the existing reading rack is suitable for electronic reading such as tablet personal computers and mobile phones, or is suitable for traditional reading of paper books, and generally has the defects of poor flexibility and limitation of materials of reading media.

The patent number CN202021103323.0 discloses a foldable reading frame which consists of a back plate and a supporting piece, wherein the supporting piece is positioned at the back of the back plate, when the foldable reading frame is used, the reading frame is placed on a desktop, books are placed on the back plate, the angle of the back plate can be adjusted through the supporting piece, the foldable reading frame is simple in structure, but only a certain angle of adjustment can be carried out on the back plate, the height of the back plate cannot be adjusted, and the flexibility is poor.

The patent number CN201420220069.0 discloses a portable folding reading rack which can be fixed on a seat and consists of a base, a big arm, a folding arm and a reading rack, when the portable folding reading rack is used, a tablet personal computer is placed on the reading rack, the height of the reading rack can be adjusted through the big arm and the folding arm, but the portable folding reading rack is only suitable for the tablet personal computer or a mobile phone with a certain range of sizes due to the limited size of the reading rack, and the reading rack is suspended on a desktop.

Disclosure of Invention

In order to solve the problems, the utility model provides a foldable reading frame.

The utility model adopts the following technical scheme:

the utility model provides a collapsible reading frame, includes base and the support connecting rod, first connecting rod, second connecting rod and the third connecting rod that connect gradually, the bottom of support connecting rod is fixed on the base, between first connecting rod and the support connecting rod between second connecting rod and the first connecting rod and between third connecting rod and the second connecting rod respectively through first pivot, second pivot and third pivot rotation connection the top of third connecting rod still is equipped with the fourth pivot the side of third pivot and fourth pivot is connected with objective and eyepiece through universal joint rotation respectively, objective and eyepiece are the plane mirror of back coverage coating, just objective and eyepiece are openly relative.

Further, the base is an X-shaped or C-shaped clamping seat.

Further, the universal joint is composed of a rotating ball, a tubular joint with external threads and a nut, one end of the rotating ball is fixed on the side face of the third rotating shaft or the side face of the fourth rotating shaft, the other end of the rotating ball is movably embedded into the tubular joint, and the nut is locked and connected to the outside of the tubular joint.

Further, the side wall of the tubular connector facing one end of the rotating ball is provided with a plurality of strip-shaped yielding notches.

Further, the tail end of the universal joint is further provided with a U-shaped fixing frame, the bottom of the U-shaped fixing frame is fixedly connected with the tail end of the tubular joint, and the opening of the U-shaped fixing frame is used for fixing the objective lens or the ocular lens.

Further, the objective lens or the ocular lens is inserted into the opening of the U-shaped fixing frame and is fixed by screws.

Further, the first, second and third links are equal in length.

Further, the included angle between the objective lens and the eyepiece and the vertical direction is 10-45 degrees.

Further, the base, the supporting connecting rod, the first connecting rod, the second connecting rod and the third connecting rod are all made of aluminum alloy materials.

Furthermore, the universal joint and the U-shaped fixing frame are both made of plastic materials.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

the reading frame is not limited by the material of a reading object, can be used for reading electronic products such as mobile phones, tablet computers and the like, and can also be used for reading paper books and single-page files, when the reading frame is used, the reading frame is only required to be directly placed on a tabletop, the height of the reading frame is adjusted, an objective lens is aligned to the reading material of the tabletop, the objective lens is opposite to an eyepiece, the objective lens and the eyepiece are adjusted to a proper angle, and a user can see the content of the reading material through the eyepiece, so that the user can read the material without lowering the head or reducing the angle of the head;

the reading frame can adjust the reading height through the first connecting rod, the second connecting rod and the third connecting rod, can adjust the reading angle through the objective lens and the ocular lens, realizes double adjustment of the height and the angle, has good flexibility, and does not need to additionally arrange a fixing mechanism for fixing the reading material because the reading material is directly placed on a tabletop, and does not need to worry about the condition that the reading material, particularly a paper material, is easy to deform or fall;

the reading frame provided by the utility model is foldable, the objective lens and the ocular lens are detachable, the storage is convenient, and the occupied space is small.

Drawings

FIG. 1 is a schematic diagram of the structure of a reading frame of the present utility model;

FIG. 2 is an exploded view of the universal joint and the U-shaped fixing frame of the present utility model;

FIG. 3 is a view showing the usage of the reading frame of the present utility model;

fig. 4 is a light path diagram of the reading frame of the present utility model.

Reference numerals illustrate:

100. a base; 200. a support link; 300. a first link; 400. a second link; 500. a third link; 600. a universal joint; 610. a rotating ball; 620. a tubular joint; 621. a relief notch; 630. a screw cap; 700. a U-shaped fixing frame; 800. an objective lens; 900. an eyepiece.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1, a foldable reading stand includes a base 100, and a support link 200, a first link 300, a second link 400, and a third link 500 that are sequentially connected, where the base 100 is an X-shaped holder, and when in use, the foldable reading stand can be clamped at the edge of a desk, so that the reading stand can be erected at one side of the desk. The bottom of the support link 200 is fixed on the base 100, the first link 300 is rotatably connected with the support link 200, the second link 400 is rotatably connected with the first link 300, the third link 500 is rotatably connected with the second link 400 through a first rotating shaft, a second rotating shaft and a third rotating shaft, a fourth rotating shaft is further arranged at the top of the third link 500, the side surfaces of the third rotating shaft and the fourth rotating shaft are rotatably connected with an objective 800 and an eyepiece 900 through universal joints 600, the objective 800 and the eyepiece 900 are plane mirrors with back covering coatings, and the front surfaces of the objective 800 and the eyepiece 900 are opposite.

As shown in fig. 2, the universal joint 600 is composed of a rotating ball 610, a tubular joint 620 with external threads, and a nut 630, wherein one end of the rotating ball 610 is fixed on the side surface of the third rotating shaft or the fourth rotating shaft, the other end of the rotating ball 610 is movably embedded into the tubular joint 620, and the nut 630 is locked on the outside of the tubular joint 620. The tubular connector 620 has a plurality of strip-shaped relief notches 621 formed on a side wall of one end facing the rotating ball 610. The tail end of the universal joint 600 is further provided with a U-shaped fixing frame 700, the bottom of the U-shaped fixing frame 700 is fixedly connected with the tail end of the tubular joint 620, and an opening of the U-shaped fixing frame 700 is used for fixing the objective 800 or the eyepiece 900. The objective 800 or the eyepiece 900 is inserted into the opening of the U-shaped fixing frame 700 and fixed by screws. The objective 800, the eyepiece 900 and the U-shaped fixing frame 700 are fixedly connected, and are not required to be assembled again before use. In actual use, as long as the nut 630 passes through the rotating ball 610, the tubular connector 620 on the U-shaped fixing frame 700 is sleeved on the rotating ball 610, and then the nut 630 is used for locking the tubular connector 620, thus completing the assembly of the reading frame.

The first, second and

third links

300, 400 and 500 have equal lengths. The base 100, the support link 200, the first link 300, the second link 400, and the third link 500 are all made of aluminum alloy materials. The universal joint 600 and the U-shaped fixing frame 700 are both made of plastic materials.

As shown in fig. 3, when reading, the reading frame is fixed, the reading material is flatly placed on the tabletop in front of the reading frame, the height of the reading frame is adjusted, the objective 800 is aligned to the reading material on the tabletop, the objective 800 is opposite to the eyepiece 900, the objective 800 and the eyepiece 900 are adjusted to a proper angle, for example, the objective 800 and the eyepiece 900 form an included angle of 10-45 degrees with the vertical direction, a user can see the content of the reading material through the eyepiece 900, thus the user can read the material without lowering the head or reducing the angle of lowering the head, the light path diagram of the embodiment is shown in fig. 4, the light reflected from the reading material is reflected to the eyepiece 900 through the objective 800, and then enters human eyes after being reflected by the eyepiece 900, so that the user can see the content of the reading material from the eyepiece 900.

The reading frame of this embodiment can carry out the regulation of height and angle simultaneously, uses more nimble, and the reflecting means includes objective 800 and eyepiece 900 adoption demountable installation, conveniently accomodates, occupation space is little.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A foldable reading stand, characterized in that: the device comprises a base and a supporting connecting rod, a first connecting rod, a second connecting rod and a third connecting rod which are sequentially connected, wherein the bottom of the supporting connecting rod is fixed on the base, the first connecting rod and the supporting connecting rod, the second connecting rod and the first connecting rod and the third connecting rod and the second connecting rod are respectively connected through a first rotating shaft, a second rotating shaft and a third rotating shaft in a rotating mode, the top of the third connecting rod is further provided with a fourth rotating shaft, the side faces of the third rotating shaft and the fourth rotating shaft are respectively connected with an objective lens and an eyepiece through universal joints in a rotating mode, the objective lens and the eyepiece are plane mirrors of a back covering coating, and the front faces of the objective lens and the eyepiece are opposite.

2. A foldable reading stand as claimed in claim 1, wherein: the base is an X-shaped or C-shaped clamping seat.

3. A foldable reading stand as claimed in claim 2, wherein: the universal joint consists of a rotating ball, a tubular joint with external threads and a screw cap, one end of the rotating ball is fixed on the side face of the third rotating shaft or the fourth rotating shaft, the other end of the rotating ball is movably embedded into the tubular joint, and the screw cap is locked and connected with the outside of the tubular joint.

4. A foldable reading stand as claimed in claim 3, wherein: the side wall of the tubular joint facing one end of the rotating ball is provided with a plurality of strip-shaped yielding notches.

5. A foldable reading stand as claimed in claim 4, wherein: the end of the universal joint is also provided with a U-shaped fixing frame, the bottom of the U-shaped fixing frame is fixedly connected with the end of the tubular joint, and the opening of the U-shaped fixing frame is used for fixing the objective lens or the ocular lens.

6. A foldable reading stand as claimed in claim 5, wherein: the objective lens or the ocular lens is inserted into the opening of the U-shaped fixing frame and is fixed by screws.

7. A foldable reading stand as claimed in claim 1, wherein: the lengths of the first connecting rod, the second connecting rod and the third connecting rod are equal.

8. A foldable reading stand as claimed in claim 1, wherein: the included angle between the objective lens and the eyepiece and the vertical direction is 10-45 degrees.

9. A foldable reading stand according to any one of claims 1 to 8, wherein: the base, the supporting connecting rod, the first connecting rod, the second connecting rod and the third connecting rod are all made of aluminum alloy materials.

10. A foldable reading stand as claimed in claim 9, wherein: the universal joint and the U-shaped fixing frame are both made of plastic materials.