CN210446165U

CN210446165U - Myopia-preventing sitting posture correcting device

Info

Publication number: CN210446165U
Application number: CN201920683841.5U
Authority: CN
Inventors: 张勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-05-05
Anticipated expiration: 2029-05-14

Abstract

The utility model belongs to the technical field of the device of prevention myopia, a myopia prevention position of sitting corrector is provided. The utility model comprises a swing rod, a cross rod and a clamp seat; two ends of the cross rod are respectively fixed with the upper end of the swing rod, and the lower end of the swing rod is fixed with the clamp seat; the clamp seat is provided with a jaw matched with the table edge, a fastening bolt is matched with the side wall of the clamp seat in a threaded mode, the inner end portion of the fastening bolt abuts against the inside of the jaw, the structure is simple, the disassembly and assembly are convenient, and the technical effect of preventing myopia effectively can be achieved.

Description

Myopia-preventing sitting posture correcting device

Technical Field

The utility model relates to a technical field of prevention myopia, concretely relates to myopia prevention position of sitting corrector.

Background

Correct sitting posture is of great importance to eyesight, students in schools easily develop bad sitting posture when unsupervised, glasses are too close to a table top, and eyesight is rapidly deteriorated after long time.

The existing myopia prevention devices are provided with clamps which prevent students from being too close to the desk top, so that the bodies of the students are separated from the desk top and the relative distance is kept, but the existing similar scheme has complex structure and is very inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a myopia prevention position of sitting corrector, simple structure, convenient dismantlement installation can prevent myopia effectively.

In order to achieve the purpose, the utility model provides a sitting posture corrector for preventing myopia, which comprises a swing rod, a cross rod and a pincer seat; two ends of the cross rod are respectively fixed with the upper end of the swing rod, and the lower end of the swing rod is fixed with the clamp seat; the clamp seat is provided with a jaw matched with the table edge, a fastening bolt is in threaded fit with the side wall of the clamp seat, and the inner end part of the fastening bolt abuts against the inside of the jaw.

The technical principle of the scheme is as follows:

the cross bar is blocked in front of the desk to block the user, so that the user is prevented from sitting forward too far and leaning forward wrongly. Two ends of the cross rod are respectively fixed on the clamp seats through the swing rods, and the clamp seats are respectively locked on two sides of the table. The jaw is matched with the table edge, the clamp seat is locked on the table edge through the fastening bolt, and the swing rod upwards supports the cross rod.

The technical effect of the scheme is as follows:

through set up the horizontal pole before the table, will keep off outside the certain limit, make user and desktop keep certain relative distance, effectively avoid the user to be close to the desktop too closely and form wrong position of sitting, make the user support the custom, keep away from myopia, this scheme simple structure can be very convenient dismantlement installation through fastening bolt.

Further, the horizontal pole includes middle section and limit section, the outer wall in middle section is equipped with the sponge layer, the both ends in middle section are equipped with respectively and turn to opposite screw hole, the inner screw thread of limit section dock in the screw hole, the outer end of limit section with the upper end of pendulum rod is fixed, and the middle section is connected with the limit section through the opposite screw hole of both ends vanning, can extend or shorten the length of horizontal pole when rotating the middle section, and then adapts to different desktop widths, improves the suitability of this scheme.

Furthermore, a rotating shaft is fixed on the outer side wall of the clamp seat, a swing seat in rotating fit with the rotating shaft is arranged on the rotating shaft, a nut is matched with the outer end portion of the rotating shaft to lock the swing seat, the lower end of the swing rod is fixed with the swing seat, the swing rod can swing relative to the clamp seat through the rotating shaft, namely, the angle of the swing rod relative to the desktop is adjusted, so that the distance between the cross rod and the desktop is adjusted according to actual requirements.

Further, the outer end of the clamp seat is provided with a pin hole, the side wall of the pin hole is provided with a side window, a lock pin is arranged in the pin hole, the inner end of the lock pin is provided with a spring, the side wall of the lock pin is provided with a poking block, the poking block extends to the outside through the side window, the swing seat is provided with a lock hole corresponding to the lock pin, the spring enables the lock pin to be abutted against the lock hole, when the swing rod is erected, the lock pin is inserted into the lock hole, the swing seat and the clamp seat are locked relatively, the swing seat is prevented from swinging continuously, when the cross rod and the swing rod need to be put down, the lock pin is pulled out of the lock hole through the poking block, relative restriction between the clamp seat and the swing seat is lost, relative rotation can be.

Further, the pendulum seat be equipped with pendulum rod complex presss from both sides the hole, the lateral wall that presss from both sides the hole is equipped with the mouth that presss from both sides with outside intercommunication, still be equipped with the connecting hole that runs through simultaneously and press from both sides mouthful both sides lateral wall on the pendulum seat, the pivot is passed the connecting hole, the existence that presss from both sides the mouth can change the inseparable degree of complex between pressing from both sides hole and the pendulum rod, then draws close the both sides that press from both sides the mouth through pivot and nut, and then with the pendulum rod locking in pressing from both sides the hole, when the pendulum rod presss from both sides the hole cooperation in advance more pine, can adjust the length that the pendulum rod.

Furthermore, the contact surfaces of the swing seat and the pliers seat are respectively provided with a friction layer for improving the friction coefficient, and the matching firmness between the swing seat and the pliers seat can be obviously improved through the friction layers.

Furthermore, the friction layer is a plurality of strip-shaped grooves distributed in a radial mode on the axis of the rotating shaft, the strip-shaped grooves can limit the swinging seat to rotate relative to the clamp seat, and locking strength is further improved.

Further, still including bee calling organ and battery, bee calling organ with the battery electricity is even, the middle part of horizontal pole is equipped with control bee calling organ starts proximity switch through setting up proximity switch, can start bee calling organ when the user is close to the horizontal pole, and then avoids the psychology that the user nourishes the dependence in the use, directly lies prone on the horizontal pole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

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

fig. 3 is a schematic view of the cooperation of the forceps holder and the swing seat in embodiment 1 of the present invention;

fig. 4 is a schematic view of a pendulum seat according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of embodiment 2 of the present invention;

fig. 6 is a schematic structural view of embodiment 3 of the present invention.

Reference numerals:

the device comprises a cross rod 1, a swing rod 2, a middle section 3, a side section 4, a swing seat 5, a clamping opening 6, a clamp seat 7, a jaw 8, a fastening bolt 9, a clamping hole 10, a nut 11, a rotating shaft 12, a connecting hole 13, a friction layer 14, a vertical rod 15, a pin hole 16, a lock pin 17, a side window 18, a toggle block 19 and a lock hole 20.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1:

the embodiment of the utility model provides a including pendulum rod 2, horizontal pole 1 and pincers seat 7.

The two ends of the cross rod 1 are respectively fixed with the upper end of the swing rod 2, and the lower end of the cross rod 1 is fixed with the clamp seat 7. In order to adapt to the desks with different widths, the cross rod 1 is set to a scheme capable of adjusting the width of the cross rod, the cross rod 1 comprises a middle section 3 and a side section 4, the outer wall of the middle section 3 is provided with a sponge layer, a friction system can be improved by the sponge layer, and meanwhile, the comfort degree of contact with a human body can be improved when a proximity switch is not used. The both ends of middle section 3 are equipped with respectively and turn to opposite screw hole, the inner screw thread of limit section 4 dock in the screw hole, the outer end of limit section 4 with the upper end of pendulum rod 2 is fixed, and middle section 3 turns to opposite screw hole through both ends and is connected with limit section 4. When in use, the width of the cross rod 1 can be changed by rotating the middle section 3.

The clamp seat 7 is provided with a jaw 8 matched with the table edge, a fastening bolt 9 is in threaded fit with the side wall of the clamp seat 7, and the inner end part of the fastening bolt 9 abuts against the jaw 8.

The outer side wall of the pliers seat 7 is fixed with a rotating shaft 12, the rotating shaft 12 is provided with a swing seat 5 which is in running fit with the rotating shaft 12, the outer end part of the rotating shaft 12 is matched with a nut 11 to lock the swing seat 5, the lower end of the swing rod 2 is fixed with the swing seat 5, the swing rod 2 can swing relative to the pliers seat 7 through the rotating shaft 12, the swing rod is locked through the nut 11 after the angle is adjusted, in order to improve the friction force, the contact surface of the swing seat 5 and the pliers seat 7 is respectively provided with a friction layer 14 for improving the friction coefficient, the friction layer 14 is a plurality of strip-shaped grooves distributed in the axis radiation of the rotating shaft 12, and the strip-shaped grooves can limit the rotation of the swing seat 5 relative to the pliers seat.

The cross bar 1 is blocked in front of the desk to block the user, and the user is prevented from sitting forward too far and leaning forward wrongly. Two ends of the cross rod 1 are respectively fixed on the clamp seats 7 through the swing rods 2, and the clamp seats 7 are respectively locked on two sides of the desk. The jaw 8 is matched with the table edge, the clamp seat 7 is locked on the table edge through the fastening bolt 9, and the swing rod 2 upwards supports the cross rod 1.

Namely, the angle of the swing rod 2 relative to the table top is adjusted, so that the distance of the cross rod 1 relative to the table top is adjusted according to actual requirements.

The pendulum seat 5 be equipped with pendulum rod 2 complex presss from both sides hole 10, the lateral wall that presss from both sides hole 10 is equipped with the mouth 6 that presss from both sides with outside intercommunication, presss from both sides mouth 6 and makes the size of pressing from both sides hole 10 to change, and then adjusts the inseparability of cooperation between pressing from both sides hole 10 and the pendulum rod 2, still be equipped with the connecting hole 13 that runs through simultaneously the both sides lateral wall that presss from both sides mouth 6 on the pendulum seat 5, pivot 12 passes connecting hole 13 makes the both sides wall of pressing from both sides mouth 6 draw close or principle through pivot 12 and nut 11, and then adjusts the elasticity of pendulum rod 2 in pressing from both sides hole 10, when the cooperation of pendulum rod 2 pre-clamp hole 10 is loose, can adjust the length that pendulum rod 2 upwards stretched out, and then adjust the height of horizontal pole 1, rotate fastening nut 11 after the adjustment and lock pendulum rod.

In order to give timely pretension suggestion of user, still including bee calling organ and battery, bee calling organ with the battery electricity is even, the middle part of horizontal pole 1 is equipped with control proximity switch that bee calling organ started through setting up proximity switch, can start bee calling organ when the user is close to horizontal pole 1, lies prone on horizontal pole 1 or when being close to horizontal pole 1 in the user use, and bee calling organ can directly send the early warning.

Above scheme can realize all around not equidirectional multidimension adjustment horizontal pole 1's position, through the angle that can also adjust 2 relative desktops of pendulum rod to provide abundanter use experience for the user. When a user approaches the desktop, the user can send out early warning in time to stop.

Example 2:

as shown in fig. 5, compared with embodiment 1, embodiment 2 includes a cross rod 1 and a vertical rod 15, two ends of the cross rod 1 are respectively fixed to the upper ends of the vertical rods 15, through holes for the lower ends of the vertical rods 15 to pass through are respectively formed in two sides of the tabletop, a threaded section is formed in the lower end of the vertical rod 15, and locking nuts 16 are arranged on the threaded sections on the upper surface and the lower surface of the tabletop in a matched mode, so that the vertical rods are locked to the vertical rods 15 through the upper locking nuts 16 and the lower locking nuts 16.

In addition, in order to better keep the user and the desktop at a sufficient distance, the upper end of the vertical rod 15 is bent towards the user side, specifically, 90 degrees.

Example 3:

as shown in fig. 6, in embodiment 1, the outer end of the clamp base 7 in embodiment 2 is provided with a pin hole 16, the side wall of the pin hole 16 is provided with a side window 18, a lock pin 17 is arranged in the pin hole 16, the inner end of the lock pin 17 is provided with a spring, the side wall of the lock pin 17 is provided with a shifting block 19, the shifting block 19 extends to the outside through the side window 18, the swing seat 5 is provided with a lock hole 20 corresponding to the lock pin 17, the lock pin 17 is abutted against the lock hole 20 by the spring, when the swing rod 2 is erected, by inserting the lock pin 17 into the lock hole 20, further relatively locking the swing seat 5 and the plier seat 7 to avoid the swinging of the plier seat, when the cross bar 1 and the swing rod 2 need to be put down, the lock pin 17 is drawn out from the lock hole 20 through the shifting block 19, relative restriction between the clamp seat 7 and the swing seat 5 is lost, relative rotation can be realized, and the swing rod 2 can smoothly swing.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A sitting posture corrector for preventing myopia is characterized by comprising a swing rod (2), a cross rod (1) and a pincer seat (7);

two ends of the cross rod (1) are respectively fixed with the upper end of the swing rod (2), and the lower end of the swing rod (2) is fixed with the clamp seat (7);

the clamp seat (7) is provided with a jaw (8) matched with the table edge, a fastening bolt (9) is in threaded fit with the side wall of the clamp seat (7), and the inner end part of the fastening bolt (9) abuts against the jaw (8);

the outer side wall of the clamp seat (7) is fixed with a rotating shaft (12), the rotating shaft (12) is provided with a swing seat (5) which is in running fit with the rotating shaft (12), the outer end part of the rotating shaft (12) is matched with a nut (11) to lock the swing seat (5), and the lower end of the swing rod (2) is fixed with the swing seat (5).

2. The myopia-preventing sitting posture corrector according to claim 1, wherein the cross bar (1) comprises a middle section (3) and side sections (4), a sponge layer is arranged on the outer wall of the middle section (3), threaded holes with opposite rotation directions are respectively formed in two ends of the middle section (3), the inner end of each side section (4) is in threaded butt joint with the corresponding threaded hole, and the outer end of each side section (4) is fixed with the upper end of the swing rod (2).

3. The myopia-preventing sitting posture corrector according to claim 1, wherein a pin hole (16) is formed in the outer end of the clamp seat (7), a side window (18) is formed in the side wall of the pin hole (16), a lock pin (17) is arranged in the pin hole (16), a spring is arranged at the inner end of the lock pin (17), a toggle block (19) is arranged on the side wall of the lock pin (17), the toggle block (19) extends to the outside through the side window (18), a lock hole (20) is formed in the swing seat (5) corresponding to the lock pin (17), and the lock pin (17) is abutted against the lock hole (20) by the spring.

4. The myopia-preventing sitting posture corrector according to claim 1, wherein the swing seat (5) is provided with a clamping hole (10) matched with the swing rod (2), the side wall of the clamping hole (10) is provided with a clamping opening (6) communicated with the outside, the swing seat (5) is further provided with a connecting hole (13) simultaneously penetrating through the side walls of two sides of the clamping opening (6), and the rotating shaft (12) penetrates through the connecting hole (13).

5. A sitting posture corrector for preventing myopia according to claim 1 or 4, characterized in that the contact surfaces of the swing seat (5) and the pincer seat (7) are respectively provided with a friction layer (14) for improving the friction coefficient.

6. A sitting posture corrector for preventing myopia according to claim 5, wherein said friction layer (14) is a plurality of strip-shaped grooves radially distributed around the axis of said rotating shaft (12).

7. The myopia-preventing sitting posture correcting device according to claim 5, further comprising a buzzer and a battery, wherein the buzzer is electrically connected with the battery, and a proximity switch for controlling the buzzer to start is arranged in the middle of the cross rod (1).