CN212014904U

CN212014904U - Sitting posture corrector for preventing myopia

Info

Publication number: CN212014904U
Application number: CN201921644486.7U
Authority: CN
Inventors: 缪晓宾
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-11-27
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a sitting posture corrector for preventing myopia, which relates to the field of devices for preventing myopia, and in order to achieve the purpose, the technical proposal of the utility model is that a vertical rod comprises an inner rod, a lower cylinder rod and an upper cylinder rod; the inner rod is positioned inside the lower barrel rod and comprises a positioning section and a matching section, the lower end of the matching section is fixed on the upper end face of the positioning section, the upper end of the matching section is provided with a magnet, and the positioning section is fixed with the lower barrel rod; the lower end of the upper barrel rod is in sliding fit between the matching section and the inner wall of the lower barrel rod, a spiral coil is arranged on the side wall of the magnet corresponding to the upper barrel rod, and two ends of the spiral coil are electrically connected with the electric warning element; in the process that the upper cylinder rod moves relative to the lower cylinder rod, the magnetic flux in the spiral coil changes. Can effectively make user and desktop keep certain distance, when the user's health is to the horizontal pole power, can also send the warning to the user, do not need extra power, the energy saving more, the scheme is whole simple and convenient.

Description

Sitting posture corrector for preventing myopia

Technical Field

The utility model relates to a myopia prevention position of sitting corrector mainly relates to the device field of prevention myopia.

Background

The primary reason is that when learning, students in middle and primary schools are buried for a long time to study and do homework on a desk, so that the students in middle and primary schools are unconsciously and gradually close to the desk surface, and the myopia rate reaches about 70% in the high and middle school period of China according to incomplete statistics, and the myopia phenomenon gradually shows the trend of the development towards low age in recent years.

Patent document No. CN103126305A discloses a patent of a support for preventing myopia, which provides a support, and further forms a barrier between a user and a desktop, but this scheme is very likely to cause the whole body of the user to lie prone on the support in the time, which leads to further irregular sitting posture of the user, and once there is no support, the user will lie prone on the desktop, and therefore a scheme capable of avoiding the user lying prone on the support is needed, and the sitting posture of the user is thoroughly corrected.

SUMMERY OF THE UTILITY MODEL

The not enough to above prior art, the utility model provides a ware is corrected to myopia prevention position of sitting can effectively make user and desktop keep certain distance, when the user health is to the horizontal pole power, can also send the warning to the user, does not need extra power, the energy saving more, the whole simple and convenient of scheme.

In order to achieve the above purpose, the technical scheme of the utility model is that: comprises a cross bar, two upright posts and two bases; two ends of the cross rod are respectively fixed with the upper ends of the two upright posts; the lower ends of the two upright posts are respectively fixed with the two bases; the two bases are fixed on the side edges of the two sides of the desktop, and the upright rod comprises an inner rod, a lower barrel rod and an upper barrel rod; the inner rod is positioned inside the lower barrel rod and comprises a positioning section and a matching section, the lower end of the matching section is fixed on the upper end face of the positioning section, the upper end of the matching section is provided with a magnet, and the positioning section is fixed with the lower barrel rod; the lower end of the upper cylinder rod is in sliding fit between the matching section and the inner wall of the lower cylinder rod, the side wall of the magnet corresponding to the upper cylinder rod is provided with a spiral coil, and two ends of the spiral coil are electrically connected with the electric warning element; and in the process that the upper cylinder rod moves relative to the lower cylinder rod, the magnetic flux in the spiral coil is changed.

The technical principle and the beneficial effects of the utility model are as follows:

the cross rods are supported above the table top through the two upright rods, and can form a barrier, so that the user is prevented from being too close to the table top, and myopia is prevented;

the matching section is provided with a magnet, the matching section is in a locking state relative to the lower barrel rod through the positioning section, the spiral coil is arranged on the upper barrel rod, and the spiral coil and the magnet form an electromagnetic assembly;

the upper barrel rod and the lower barrel rod can slide relatively, namely when a user uses the magnetic iron, the body leans against the cross rod, the upper barrel rod slides relative to the lower barrel rod under the action of pressure, the upper barrel rod drives the spiral coil to move relative to the magnet, the magnetic flux in the spiral coil changes, the change of the magnetic flux enables the two ends of the spiral coil to form a potential difference, and then the electric warning element is started and gives out a warning to prompt the user to pay attention.

Can effectively make user and desktop keep certain distance through above scheme, when the user health is to the horizontal pole power, can also send the warning to the user, this scheme electricity warning component does not need extra power simultaneously, and the power that its starts comes from the user to the pressure of horizontal pole, and the energy saving is more, and the scheme is whole simple and convenient, can be close to desktop warning effect very obvious to the user health.

Preferably, the lower extreme of pole setting with articulated cooperation between the base, be equipped with the spout along the desktop border on the base, sliding fit has the slider in the spout, be equipped with first fastening bolt on the slider, first fastening bolt's tip supports and leans on extremely the tank bottom of spout, the base is articulated with the lower extreme of a branch, the upper end of branch with the middle part of pole setting is articulated, through the position of sliding block in the spout, can change the support of branch to the pole setting, and then the height and the position of adjustment horizontal pole, can use the user of different statures.

Preferably, the location section is equipped with the spring catch that outwards supports and lean on, the lateral wall of lower section of thick bamboo pole corresponds spring catch axial distribution has a plurality of pinholes, the spring catch card is gone into during the pinhole, the location section is relative lower section of thick bamboo pole locking works as the spring catch with the pinhole separation, the location section is relative lower section of thick bamboo pole sliding fit through the cooperation of spring catch and pinhole, can change the position of location section in lower section of thick bamboo pole, and the location section will wholly drive the position of section of thick bamboo pole and the relative lower section of thick bamboo pole of horizontal pole and change together at lower section of thick bamboo pole position change.

Preferably, the lower extreme both sides lateral wall of going up section of thick bamboo pole is equipped with the bar window, the cooperation section radially corresponds the bar window is equipped with the spacer pin, the tip of spacer pin extends to in the bar window, it is relative to go up the section of thick bamboo pole when lower section of thick bamboo pole motion, the tip of spacer pin is in the bar window internal motion is injectd through bar window and spacer pin with alright gliding interval stroke in section of thick bamboo pole under to last section of thick bamboo pole, and on the other hand can prevent to go up section of thick bamboo pole and lower section of thick bamboo pole slippage, improves holistic wholeness.

Preferably, the side wall of the base is provided with a jaw corresponding to the side edge of the desktop, a lower lip of the jaw is provided with a second fastening bolt upwards, the second fastening bolt upwards extends into the jaw, and the base is more conveniently fixed on the desktop through the jaw.

Preferably, the electric warning element is a warning lamp and/or a buzzer, and the warning lamp or the buzzer is arranged, so that a richer acousto-optic warning effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments will be briefly described below, it is obvious that the drawings in the following description are only two of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of a base according to an embodiment of the present invention.

The device comprises an upper barrel rod 1, a lower barrel rod 2, a support rod 3, a base 4, a sliding block 5, a first fastening bolt 6, a positioning section 7, a second fastening bolt 8, a jaw 9, a spiral coil 10, a magnet 11, a limiting pin 12, a matching section 13, a strip-shaped window 14, a spring 15, a spring pin 16 and a pin hole 17.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, the embodiment of the present invention includes a cross bar, two vertical rods, and two bases 4.

The two ends of the cross rod are respectively fixed with the upper ends of the two vertical rods, and the lower ends of the two vertical rods are respectively fixed with the two bases 4. The cross bar and the two upright bars form the structure of the door frame.

It is shown in combination with fig. 3 that two base 4 is fixed in the both sides side edge of desktop, the lateral wall of base 4 corresponds desktop side edge and is equipped with jaw 9, the lower lip of jaw 9 upwards is equipped with second fastening bolt 8, second fastening bolt 8 upwards extends to in jaw 9, through jaw 9 more conveniently fix base 4 on the desktop. The cross rods are supported above the table top through the two vertical rods and can form a barrier, so that the user is prevented from being too close to the table top, and myopia is prevented.

As shown in fig. 2, the vertical rod comprises an inner rod, a lower barrel rod 2 and an upper barrel rod 1, the inner rod is located inside the lower barrel rod 2, the inner rod comprises a positioning section 7 and a matching section 13, the lower end of the matching section 13 is fixed on the upper end face of the positioning section 7, a magnet 11 is arranged at the upper end of the matching section 13, and the positioning section 7 is fixed with the lower barrel rod 2.

The lower end of the upper barrel rod 1 is in sliding fit with the matching section 13 and the inner wall of the lower barrel rod 2, the side wall of the magnet 11 corresponding to the upper barrel rod 1 is provided with a spiral coil 10, and two ends of the spiral coil 10 are electrically connected with an electric warning element. The electric warning element is a warning lamp and a buzzer, and the warning effect with richer acousto-optic is achieved by arranging the warning lamp or the buzzer.

During the movement of the upper cylinder rod 1 relative to the lower cylinder rod 2, the magnetic flux in the spiral coil 10 will change. Cooperation section 13 is equipped with magnet 11, and cooperation section 13 is locking state through section 7 relative lower section of thick bamboo pole 2 of location, and spiral coil 10 sets up at last section of thick bamboo pole 1, and spiral coil 10 and magnet 11 constitute electromagnetic component.

Wherein upper barrel pole 1 and lower barrel pole 2 can slide relatively, when the user used, the health leaned on the horizontal pole, upper barrel pole 1 received pressure will slide relatively lower barrel pole 2, upper barrel pole 1 drives spiral coil 10 and moves relative magnet 11, the magnetic flux in spiral coil 10 will change, the change of magnetic flux will make spiral coil 10's both ends form the potential difference, and then start electric warning component, electric warning component sends out the warning through sound, light or other modes, the suggestion user notices.

The lower extreme of pole setting with articulated cooperation between the base 4, be equipped with the spout along the desktop border on the base 4, sliding fit has slider 5 in the spout, be equipped with first fastening bolt 6 on the slider 5, the tip of first fastening bolt 6 supports and leans on extremely the tank bottom of spout, base 4 is articulated with the lower extreme of branch 3, the upper end of branch 3 with the middle part of pole setting is articulated, the upper end of specific branch 3 with the upper end of lower bobbin stock 2 is articulated, through the position of sliding block 5 in the spout, can change the support of branch 3 to the pole setting, and then the height and the position of adjustment horizontal pole, can use the user of different statures. In this embodiment, the lower end of the vertical rod is hinged at one end of the principle user, so that the interference to the elbow of the user when the elbow of the user is placed on the table top can be avoided.

The location section 7 is equipped with the spring catch that outwards supports and lean on, the lateral wall of lower section of thick bamboo pole 2 corresponds spring catch axial distribution has a plurality of pinholes 17, the spring catch card is gone into during the pinhole 17, location section 7 is relative lower section of thick bamboo pole 2 locks, works as the spring catch with the separation of pinhole 17, location section 7 is relative lower section of thick bamboo pole 2 sliding fit through the cooperation of spring catch and pinhole 17, can change the position of location section 7 in lower section of thick bamboo pole 2, and location section 7 changes the position that section of thick bamboo pole 1 and the relative lower section of thick bamboo pole 2 of horizontal pole in that the position change will wholly be driven to lower section of thick bamboo pole 2 under the location section of thick bamboo.

Go up section of thick bamboo pole 1's lower extreme both sides lateral wall and be equipped with bar window 14, cooperation section 13 radially corresponds bar window 14 is equipped with spacer pin 12, the tip of spacer pin 12 extends to in the bar window 14, it is relative to go up the section of thick bamboo pole 2 when moving down, the tip of spacer pin 12 is in bar window 14 internalization through bar window 14 and spacer pin 12 with the interval stroke of gliding in section of thick bamboo pole 2 under with can be injectd last section of thick bamboo pole 1, on the other hand can prevent to go up section of thick bamboo pole 1 and lower section of thick bamboo pole 2 slippage, improves holistic wholeness.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The myopia-preventing sitting posture corrector comprises a cross bar, two upright posts and two bases (4); two ends of the cross rod are respectively fixed with the upper ends of the two upright posts; the lower ends of the two upright posts are respectively fixed with the two bases (4); two base (4) are fixed in the both sides side edge of desktop, its characterized in that:

the upright rod comprises an inner rod, a lower barrel rod (2) and an upper barrel rod (1);

the inner rod is positioned in the lower barrel rod (2), the inner rod comprises a positioning section (7) and a matching section (13), the lower end of the matching section (13) is fixed on the upper end face of the positioning section (7), the upper end of the matching section (13) is provided with a magnet (11), and the positioning section (7) is fixed with the lower barrel rod (2);

the lower end of the upper cylinder rod (1) is in sliding fit between the matching section (13) and the inner wall of the lower cylinder rod (2), the side wall of the magnet (11) corresponding to the upper cylinder rod (1) is provided with a spiral coil (10), and two ends of the spiral coil (10) are electrically connected with an electric warning element;

in the process that the upper cylinder rod (1) moves relative to the lower cylinder rod (2), the magnetic flux in the spiral coil (10) changes;

the lower extreme of pole setting with articulated cooperation between base (4), be equipped with the spout along the desktop border on base (4), sliding fit has slider (5) in the spout, be equipped with first fastening bolt (6) on slider (5), the tip of first fastening bolt (6) supports and leans on extremely the tank bottom of spout, base (4) are articulated with the lower extreme of a branch (3), the upper end of branch (3) with the middle part of pole setting is articulated.

2. The anti-myopia sitting posture corrector according to claim 1, wherein: location section (7) are equipped with the spring catch that outwards supports and lean on, the lateral wall of lower section of thick bamboo pole (2) corresponds spring catch axial distribution has a plurality of pinholes (17), the spring catch card is gone into when pinhole (17), location section (7) are relative lower section of thick bamboo pole (2) locking works as spring (15) round pin with pinhole (17) separation, location section (7) are relative lower section of thick bamboo pole (2) sliding fit.

3. The anti-myopia sitting posture corrector according to claim 1, wherein: go up the lower extreme both sides lateral wall of section of thick bamboo pole (1) and be equipped with bar window (14), cooperation section (13) radially correspond bar window (14) are equipped with spacer pin (12), the tip of spacer pin (12) extends to in bar window (14), it is relative to go up the section of thick bamboo pole down in section of thick bamboo pole (2) motion, the tip of spacer pin (12) is in bar window (14) internal motion.

4. The anti-myopia sitting posture corrector according to claim 1, wherein: the side wall of the base (4) is provided with a jaw (9) corresponding to the side edge of the table surface, a second fastening bolt (8) is arranged on the lower lip of the jaw (9), and the second fastening bolt (8) extends upwards into the jaw (9).

5. The anti-myopia sitting posture corrector according to claim 1, wherein: the electric warning element is a warning lamp and/or a buzzer.