CN111802840A

CN111802840A - Myopia prevention device

Info

Publication number: CN111802840A
Application number: CN202010802616.6A
Authority: CN
Inventors: 姬金星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-10-23

Abstract

The invention provides a myopia prevention device, and relates to the technical field of articles for daily use. The utility model provides an anti-myopia device, includes pin and the support that is used for supporting the pin, and the support is located to the pin level. By adopting the desk, the situation that the user is too close to the desktop when reading or writing can be prevented, the risk of the user suffering from myopia is reduced, and a good scheme is particularly provided for the improvement of student desks.

Description

Myopia prevention device

Technical Field

The invention relates to the technical field of articles for daily use, in particular to a myopia prevention device.

Background

In recent years, the incidence rate of myopia in China is on a remarkable rising trend, and myopia has become a great public health problem affecting the eye health of the national people, particularly teenagers. The most common ophthalmic diseases are listed as one of three diseases in the world, and the incidence rate of myopia of the population in China is about 33 percent and is 1.5 times of the average level in the world. Myopia is one of the refractive errors. When the eye is in a relaxed state of accommodation, parallel rays of light enter the eye, which focus in front of the retina, resulting in the inability to form a sharp image on the retina, known as a myopic eye.

At present, the incidence of myopia of teenagers in China is increasing year by year, and according to the survey of the myopia proportion of the teenagers in China, the myopia proportion of eyes in primary school period is 34%, the myopia proportion of eyes in junior and middle school periods is 60%, the myopia proportion of eyes in high and middle school periods is 76%, and the myopia proportion of eyes in college period is 83%.

Especially, teenagers in primary schools pay low attention to myopia, and are prone to lie on a table or be close to a homework book during writing and working, and the visual distance is too small, so that the teenagers in the primary schools suffer from myopia more and more.

Disclosure of Invention

The invention aims to provide a myopia prevention device which can prevent a user from being too close to a desktop when the user reads or writes and reduce the risk of myopia of the user.

The embodiment of the invention is realized by the following steps:

the embodiment of the application provides an anti-myopia device, including pin and the support that is used for supporting above-mentioned pin, above-mentioned support is located to above-mentioned pin level.

Further, in some embodiments of the present invention, the support includes a sleeve and a support pillar, the sleeve has a blind hole, and the support pillar is slidably disposed in the blind hole; the stop lever is arranged on the support column.

Further, in some embodiments of the present invention, the support column further includes a first bolt, the sleeve is provided with a second screw hole engaged with the first bolt, the support column is provided with a plurality of first screw holes engaged with the first bolt along a length direction, and the first bolt sequentially passes through the second screw hole and the first screw hole.

Further, in some embodiments of the present invention, the fixing device further includes a fixing block, the fixing block is provided with a sliding groove along a length direction, and the sleeve is slidably disposed in the sliding groove.

Further, in some embodiments of the present invention, the fixing base further includes a fixing base and a second bolt, and the fixing base is provided with a third screw hole matched with the second bolt; the sleeve is arranged on the fixed seat.

Further, in some embodiments of the present invention, the sleeve is provided with a first internal thread, and the support post is provided with an external thread matching the first internal thread; the stop lever is detachably connected with the support column.

Further, in some embodiments of the present invention, the support column further includes a third bolt, the stop rod is provided with a fifth screw hole engaged with the third bolt, the upper sidewall of the support column is provided with a fourth screw hole engaged with the third bolt, and the third bolt sequentially passes through the fifth screw hole and the fourth screw hole.

Further, in some embodiments of the present invention, the support includes a fixing plate, a side wall of the fixing plate is provided with a plurality of fixing holes, and one end of the blocking rod is detachably disposed in the fixing hole.

Further, in some embodiments of the present invention, the fixing hole further includes a fourth bolt, and the fixing hole is provided with a second internal thread engaged with the fourth bolt; and a sixth screw hole matched with the fourth bolt is formed in the side wall of the stop lever, and the fourth bolt sequentially penetrates through the fixing hole and the sixth screw hole.

Compared with the prior art, the embodiment of the invention at least has the following advantages or beneficial effects:

the embodiment of the invention provides a myopia prevention device, which comprises a stop lever and a support for supporting the stop lever, wherein the stop lever is horizontally arranged on the support.

During the in-service use, install the support in the place that users need read books or write such as desktop, the pin level is located between user's eyes and the desktop, and the pin has certain distance apart from the desktop, and so when the user is reading books or writing, the pin shelters from spacingly to user's head, prevents that user's head from the desktop too closely, so with the risk that reduces the user and suffer from myopia. And through pin horizontal setting, can satisfy many people simultaneously and use this device, a pin can shelter from spacingly to many people's head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an anti-myopia device with a chute according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an anti-myopia apparatus with a fixing base according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an anti-myopia apparatus with a fixing base according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an anti-myopia device with a fixing plate according to an embodiment of the present invention.

Icon: 1-a stop lever; 2-a sleeve; 3-a support column; 4-a first screw hole; 5-a first bolt; 6-a chute; 7-fixing blocks; 8, a fixed seat; 9-a third screw hole; 10-a second bolt; 11-a third bolt; 12-a fourth screw hole; 13-fixing the plate; 14-a fixation hole; 15-fourth bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "vertical", "horizontal", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the present invention is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or vertical, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 4, fig. 1 is a schematic structural view of an anti-myopia device with a chute 6 according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of an anti-myopia device with a fixing base 8 according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of an anti-myopia device with a fixing base 8 according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of an anti-myopia device with a fixing plate 13 according to an embodiment of the present invention.

The embodiment provides an anti-myopia device, which comprises a stop lever 1 and a support for supporting the stop lever 1, wherein the stop lever 1 is horizontally arranged on the support.

During the in-service use, install the support in the place that users need read books or write such as desktop, the pin 1 level is located between user's eyes and the desktop, and pin 1 has certain distance apart from the desktop, and so when the user is reading books or writing, pin 1 shelters from spacingly to user's head, prevents that user's head from the desktop too closely, so in order to reduce the risk that the user suffers from myopia. And through the setting of pin 1 level, can satisfy many people simultaneously and use this device, a pin 1 can shelter from spacingly to many people's head.

As shown in fig. 1 to 3, in some embodiments of the present invention, the support comprises a sleeve 2 and a support pillar 3, the sleeve 2 is provided with a blind hole, and the support pillar 3 is slidably disposed in the blind hole; the stop lever 1 is arranged on the support column 3.

According to the myopia prevention device, the sleeve 2 and the support column 3 are arranged, the sleeve 2 is provided with the blind hole, the support column 3 is arranged in the blind hole in a sliding mode, the support column 3 can slide along the blind hole, the relative position of the sleeve 2 and the support column 3 is adjusted, the height of the support is adjusted, the height of the stop lever 1 is further changed, the height of the stop lever 1 can be adjusted to a position suitable for a user under different heights or different installation environments, and the application range of the myopia prevention device is enlarged.

Optionally, the sleeve 2 and the support column 3 of this embodiment are vertically arranged, the sleeve 2 is arranged at the bottom of the support column 3, and the stop lever 1 is arranged at the top of the support column 3. And the support quantity of this embodiment is two to locate pin 1 both sides respectively, pin 1 one end is connected with a support column 3, and the pin 1 other end is connected with another support column 3.

As shown in fig. 1 and 2, in some embodiments of the present invention, the support column further includes a first bolt 5, the sleeve 2 is provided with a second screw hole engaged with the first bolt 5, the support column 3 is provided with a plurality of first screw holes 4 engaged with the first bolt 5 along a length direction, and the first bolt 5 sequentially passes through the second screw hole and the first screw holes 4.

According to the invention, the first bolt 5 is arranged, the sleeve 2 is provided with the second screw hole matched with the first bolt 5, the support column 3 is provided with the first screw hole 4 matched with the first bolt 5, and the first bolt 5 sequentially penetrates through the second screw hole and the first screw hole 4. So at support column 3 along blind hole slip to the relative position of adjustment sleeve 2 and support column 3, so after the height with the adjustment support, fix together sleeve 2 and support column 3 through first bolt 5, prevent that support column 3 from continuing to slide along the blind hole because of reasons such as gravity, increased the stability behind the altitude mixture control of pin 1 to suitable position. According to the invention, the plurality of first screw holes 4 are arranged along the length direction of the support column 3, so that the stop lever 1 can be matched with the corresponding first screw holes 4 and second screw holes after being adjusted to different heights.

As shown in fig. 1, in some embodiments of the present invention, the fixing block 7 further includes a sliding groove 6 formed along the length direction of the fixing block 7, and the sleeve 2 is slidably disposed on the sliding groove 6.

According to the invention, the fixed block 7 is arranged, the sliding groove 6 is formed in the fixed block 7 along the length direction, and the sleeve 2 is arranged in the sliding groove 6 in a sliding manner, so that when the device is installed, the fixed block 7 can be installed on a desktop, and then the sleeve 2 is convenient to slide along the sliding groove 6, so that the distance between the sleeve 2 and a user is adjusted, and further the distance between the stop lever 1 and the user is adjusted. The position of the stop lever 1 can be adjusted to a position suitable for a user under different heights or different installation environments, and the application range of the myopia prevention device is widened.

As shown in fig. 2, in some embodiments of the present invention, the fixing base 8 and the second bolt 10 are further included, the fixing base 8 is provided with a third screw hole 9 matched with the second bolt 10; the sleeve 2 is arranged on the fixed seat 8.

According to the invention, the fixing seat 8 and the second bolt 10 are arranged, and the fixing seat 8 is provided with the third screw hole 9 matched with the second bolt 10; the sleeve 2 is arranged on the fixed seat 8. So when myopia prevention device installs, can install fixing base 8 in the desktop, then pass third screw 9 through second bolt 10, screw up second bolt 10 on the desk again, so be fixed in the fixing base 8 on the desk, be convenient for fix the support.

In some embodiments of the invention, as shown in fig. 3, the sleeve 2 is provided with a first internal thread, and the support column 3 is provided with an external thread matching the first internal thread; the stop lever 1 is detachably connected with the support column 3.

According to the invention, the sleeve 2 is provided with the first internal thread, the support column 3 is provided with the external thread matched with the first internal thread, so that the support column 3 can be rotated when the height of the support is adjusted, and the support column 3 can move up or down along the sleeve 2 when the support column 3 is rotated under the matching of the threads, so that the height of the support is conveniently adjusted.

According to the invention, the stop lever 1 is detachably connected with the support column 3, and the stop lever 1 can be separated from the support column 3 before the height of the support is adjusted, so that the support column 3 can be conveniently rotated; after the height of the support is adjusted, the stop lever 1 is installed on the support column 3.

As shown in fig. 3, in some embodiments of the present invention, the stop lever further includes a third bolt 11, the stop lever 1 is provided with a fifth screw hole engaged with the third bolt 11, the support post 3 is provided with a fourth screw hole 12 engaged with the third bolt 11 on an upper side wall thereof, and the third bolt 11 sequentially passes through the fifth screw hole and the fourth screw hole 12.

According to the invention, a third bolt 11 is arranged, the stop lever 1 is provided with a fifth screw hole matched with the third bolt 11, the upper side wall of the support column 3 is provided with a fourth screw hole 12 matched with the third bolt 11, and the third bolt 11 sequentially passes through the fifth screw hole and the fourth screw hole 12. Therefore, the stop lever 1 and the support column 3 are fixed together by the third bolt 11, and the stop lever 1 and the support column 3 are separated by rotating the third bolt 11.

As shown in fig. 3, in some embodiments of the present invention, the fixing base 8 and the second bolt 10 are further included, the fixing base 8 is provided with a third screw hole 9 matched with the second bolt 10; the sleeve 2 is arranged on the fixed seat 8.

As shown in fig. 4, in some embodiments of the present invention, the support includes a fixing plate 13, a plurality of fixing holes 14 are formed in a side wall of the fixing plate 13, and one end of the blocking rod 1 is detachably disposed in the fixing hole 14.

According to the invention, the fixing plate 13 is arranged, so that the fixing plate 13 can be installed on a desktop during actual installation, a plurality of fixing holes 14 are formed in the side wall of the fixing plate 13, and one end of the stop lever 1 is detachably arranged in the fixing hole 14. So be convenient for pin 1 through the position of adjusting the fixed orifices 14 of its installation with the position of adjustment pin 1, make under different heights or different installation environment, the position of pin 1 can be adjusted to the position that the user suits, increase this myopia prevention device's application scope. Alternatively, the fixing plate 13 of the present embodiment is provided with a plurality of fixing holes 14 in both the length direction and the width direction. Optionally, the number of the fixing plates 13 in this embodiment is two and the fixing plates 13 are arranged oppositely, the blocking rod 1 is arranged between the two fixing plates 13, one end of the blocking rod 1 is arranged on one fixing plate 13, and the other end of the blocking rod 1 is arranged on the other fixing plate 13.

As shown in fig. 4, in some embodiments of the present invention, the fixing hole 14 further includes a fourth bolt 15, and the fixing hole is provided with a second internal thread engaged with the fourth bolt 15; the sidewall of the stop lever 1 is provided with a sixth screw hole engaged with the fourth bolt 15, and the fourth bolt 15 passes through the fixing hole 14 and the sixth screw hole in sequence.

The invention sets a fourth bolt 15, the fixing hole 14 is set with a second internal thread matching with the fourth bolt 15; the sidewall of the stop lever 1 is provided with a sixth screw hole engaged with the fourth bolt 15, and the fourth bolt 15 passes through the fixing hole 14 and the sixth screw hole in sequence. After one end of the stop lever 1 is arranged in the fixing hole 14, the fourth bolt 15 can sequentially penetrate through the fixing hole 14 and the sixth screw hole to fix the stop lever 1 in the fixing hole 14, so that the stability of the stop lever 1 after being installed is improved.

In summary, embodiments of the present invention provide an anti-myopia device, which includes a blocking rod 1 and a support for supporting the blocking rod 1, wherein the blocking rod 1 is horizontally disposed on the support.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-myopia device, which is characterized in that: the support comprises a stop lever and a support used for supporting the stop lever, wherein the stop lever is horizontally arranged on the support.

2. The anti-myopia device of claim 1, wherein: the support comprises a sleeve and a support pillar, the sleeve is provided with a blind hole, and the support pillar is slidably arranged in the blind hole; the stop lever is arranged on the support column.

3. An anti-myopia apparatus according to claim 2, wherein: still include first bolt, the sleeve be equipped with first bolt complex second screw, the support column along length direction be equipped with a plurality ofly with first bolt complex first screw, first bolt passes in proper order the second screw with first screw.

4. An anti-myopia apparatus according to claim 2, wherein: still include the fixed block, the fixed block is equipped with the spout along length direction, the sleeve slides and locates the spout.

5. An anti-myopia apparatus according to claim 2, wherein: the fixing seat is provided with a third screw hole matched with the second bolt; the sleeve is arranged on the fixed seat.

6. An anti-myopia apparatus according to claim 2, wherein: the sleeve is provided with a first internal thread, and the support column is provided with an external thread matched with the first internal thread; the stop lever is detachably connected with the support column.

7. An anti-myopia device according to claim 6, wherein: the stop lever is provided with a fifth screw hole matched with the third bolt, a fourth screw hole matched with the third bolt is arranged on the side wall of the supporting column, and the third bolt sequentially penetrates through the fifth screw hole and the fourth screw hole.

8. An anti-myopia device according to claim 6, wherein: the fixing seat is provided with a third screw hole matched with the second bolt; the sleeve is arranged on the fixed seat.

9. The anti-myopia device of claim 1, wherein: the support includes the fixed plate, the fixed plate lateral wall is equipped with a plurality of fixed orificess, the one end of pin can be dismantled and locate the fixed orifices.

10. An anti-myopia device according to claim 9, wherein: the fixing hole is provided with a second internal thread matched with the fourth bolt; the side wall of the stop lever is provided with a sixth screw hole matched with the fourth bolt, and the fourth bolt sequentially penetrates through the fixing hole and the sixth screw hole.