CN109330076B

CN109330076B - Myopia-proof cap

Info

Publication number: CN109330076B
Application number: CN201811208409.7A
Authority: CN
Inventors: 朱富贵
Original assignee: Xiangshan Jingwei Steel Fork Manufacturing Co ltd
Current assignee: Xiangshan Jingwei Steel Fork Manufacturing Co ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2021-04-13
Anticipated expiration: 2038-10-17
Also published as: CN109330076A

Abstract

The invention relates to the technical field of caps, in particular to a myopia-preventing cap which comprises a cap body, a visor, a connecting rod and a balancing weight, wherein the visor is positioned on the front side of the cap body and is in running fit with the left side and the right side of the cap body through a hinged piece, the connecting rod is connected to the rear side of the visor, the balancing weight is connected to the connecting rod, and a lever structure is formed between the connecting rod and the balancing weight and the visor through the hinged piece. When a child wears the myopia prevention cap, if the sitting posture of the child is correct, the visor is tilted under the action of the connecting rod and the balancing weight, so that the sight of the child is not influenced; if the sitting posture of the cap is inclined forward or the head of the cap is low, the integral gravity center of the connecting rod, the balancing weight and the cap peak moves forward, and the cap peak can tilt the connecting rod and the balancing weight, so that the sight of the child is blocked, the child is forced to recover the correct sitting posture, and the myopia prevention effect is achieved.

Description

Myopia-proof cap

Technical Field

The invention relates to the technical field of caps, in particular to a myopia-preventing cap.

Background

Myopia is also called short-sighted and can only be seen near but not far; when the eye is at rest, parallel light from infinity is refracted by the dioptric system of the eye and then focused in front of the retina, thus forming an unclear image on the retina.

At present, myopia of children in primary school stage in China is common, and the reason is often related to incorrect posture of the children when reading and writing, and the proper distance between eyes and a desk top cannot be kept, namely, the lower the head is, the closer the distance between the eyes and the book is, and the myopia is formed in the long term. Therefore, the myopia prevention cap is provided, so that a distance between a child and a book can be automatically kept when the child reads and writes the book, and the myopia prevention effect is achieved.

Disclosure of Invention

The invention mainly aims to provide a myopia-preventing cap to solve the problem that the children in the background technology cannot keep a proper distance between eyes and a book when reading and writing, so that the myopia is easily caused.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti-myopia cap, includes the cap body, visor, connecting rod and balancing weight, the visor be located the front side of the cap body and with the left and right sides of the cap body realizes normal running fit through the articulated elements, the connecting rod connect in the rear side of visor, the balancing weight connect in on the connecting rod, connecting rod and balancing weight pass through and form lever structure between articulated elements and the visor.

The invention has the beneficial effects that: the invention has simple structure and reasonable layout; because the connecting rod and the balancing weight form a lever structure between the articulated element and the visor, when the child wears the myopia-preventing cap: if the sitting posture of the child is correct, the visor is tilted under the action of the connecting rod and the balancing weight, and the visor can turn upwards around the hinged part, so that the sight of the child is not influenced; if the sitting posture of the child leans forward or the head of the child is low, the integral gravity center of the connecting rod, the balancing weight and the visor moves forward, the connecting rod and the balancing weight are tilted by the visor, and the visor can turn downwards around the hinged part, so that the sight of the child is blocked, the child is forced to recover the correct sitting posture, and the myopia prevention effect is achieved.

Preferably, the balancing weight is connected to the connecting rod in a sliding manner, and a locking member used for limiting the sliding of the balancing weight is arranged between the balancing weight and the connecting rod. Its advantage is, through loosening the retaining member, the balancing weight can be along the connecting rod slides, can be according to children's actual conditions, sliding adjustment the position of balancing weight changes the whole focus of connecting rod, balancing weight and visor after the locking the retaining member to guarantee under the positive condition of children's position of sitting, the visor can by the balancing weight perk does not influence children's sight, and guarantees that the position of sitting at children leans forward or the head is low after, the visor can perk the balancing weight, thereby blocks children's sight.

Preferably, the tip of the connecting rod is provided with an anti-falling cap for preventing the balancing weight from falling off. The anti-falling cap has the advantages that when the locking piece is loosened for sliding adjustment of the balancing weight, if the balancing weight is separated from the connecting rod due to misoperation, the balancing weight needs to be assembled on the connecting rod again, so that the adjusting efficiency is reduced, and the balancing weight can be prevented from being separated from the connecting rod due to the anti-falling cap.

Preferably, the upper part of the front end of the cap body is provided with a notch for accommodating the visor. The novel children sitting posture correcting cap has the advantages that under the condition that the sitting posture of children is correct, the cap peak needs to be tilted by the balancing weight, and the cap peak is prevented from blocking the sight of the children; if the gap is not formed, the upper edge of the front side of the visor collides with the cap body, the lower edge of the visor may be positioned below the lower edge of the cap body so as to block the view of the child, and the turning angle of the visor is small, so that the visor may be turned downwards so as to block the view of the child when the child sits at a slightly forward angle; and under the accommodation of the notch, the visor can be continuously turned upwards, so that the lower edge of the visor is flush with or above the lower edge of the cap body until the upper edge of the front side of the visor collides with the cap body again, the maximum angle of upward turning of the visor can be controlled by controlling the size of the notch, and the sensitivity of the lever action is controlled (the larger the maximum angle is, the lower the sensitivity of the lever action is).

Preferably, the upper portion of the rear end of the cap body is provided with a limiting member for limiting the connecting rod to turn upwards. The sitting posture of the child is inclined forward, the cap peak can tilt up the balancing weight and turn downwards to block the view of the child; if the limiting part is not used, the downward turning angle of the visor is too large, a gap is generated between the visor and the cap body, and therefore the effect of blocking the sight of the child cannot be achieved.

Preferably, the cap body is provided with a cap adjusting buckle for adjusting the size of the cap body. The novel cap has the advantages that the size of the cap body is more suitable through the cap adjusting buckle according to the actual situation of children.

Preferably, the top of the cap body is provided with a light blocking member. Its advantage is that it can prevent the strong light on the top of head from irradiating the eyes of child, so improving the function of preventing myopia.

Preferably, a hanging piece used for prompting the deflection of the cap body is hung in the left front or the right front of the light blocking piece. The myopia-preventing hat has the advantages that the hanging piece can improve the attractiveness of the myopia-preventing hat on the one hand, and on the other hand, after the sitting posture of the child is inclined, the hanging piece can be observed out, so that the prompting effect is achieved, the sitting posture of the child can be adjusted according to the prompting effect, and the myopia-preventing effect is further improved.

Drawings

FIG. 1 is a perspective view showing the construction of a myopia prevention cap according to a preferred embodiment of the present invention (a state in which the visor is tilted);

fig. 2 is a perspective view of a myopia prevention cap according to a preferred embodiment of the present invention (in a state where a weight block is tilted);

FIG. 3 is a schematic diagram of the working principle of the myopia prevention cap according to a preferred embodiment of the invention (state one);

FIG. 4 is a schematic view of the working principle of the myopia-preventing cap according to a preferred embodiment of the invention (state two);

FIG. 5 is a schematic diagram of the working principle of the myopia prevention cap according to a preferred embodiment of the invention (state three);

FIGS. 6 and 7 are schematic views illustrating the operation of the notch according to a preferred embodiment of the present invention;

fig. 8 is a perspective view illustrating another state of the myopia prevention cap in accordance with a preferred embodiment of the present invention.

Detailed Description

The following further describes a specific implementation of the embodiment of the present invention with reference to the drawings of the embodiment of the present invention. The following examples are only used to illustrate the technical solutions of the present embodiments more clearly, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 8, in an embodiment of the present invention, a myopia prevention cap includes a cap body 1, a visor 2, a connecting rod 3, a weight block 4, and a locking member, where the visor 2 is located at a front side (front and rear refer to right and left sides of a drawing in the drawing, respectively, and same below) of the cap body 1, and is rotatably engaged with left and right sides (left and right refer to directions from outside to inside and from inside to outside of the drawing in the drawing, respectively) of the cap body 1 via a hinge 8 (the hinge 8 is preferably a hinge, which is simple in structure and convenient to install, but not limited thereto, and may be a bolt and a nut or a structure in which two blocking pieces are fixedly connected to two ends of a rotating shaft, and the visor 2 may be turned over or turned over downward around the hinge 8 (upper and lower refer to upper and lower sides of the drawing in the drawing, respectively); the connecting rod 3 is connected to the rear side of the visor 2, the connecting rod 3 is preferably of a U-shaped structure made of materials with high strength and light weight, such as wood, rigid plastic, aluminum alloy or stainless steel, and the like, and because the connecting rod 3 of the U-shaped structure consists of two straight sections and one arc-shaped section, the upper edge of the visor 2 can be sewn on the arc-shaped section of the connecting rod 3, so that the two straight sections of the connecting rod 3 just present a state of being connected to the rear side of the visor 2, and the connecting rod 3 is of the U-shaped structure, so that the connection between the visor 2 and the connecting rod 3 is simpler and more convenient, and the connection stability between the visor 2 and the connecting rod 3 can be ensured no matter whether the visor 2 is rigid or soft; the two balancing weights 4 are respectively sleeved on two straight sections of the connecting rod 3, and the balancing weights 4 can slide on the straight section area of the connecting rod 3; the counterweight block 4 and the connecting rod 3 are locked and fixed through the locking piece, the locking piece is preferably a locking bolt 5 (but not limited to the counterweight block 4, the locking bolt can also be a locking clamp, a locking pin and the like), the structure is simple, the installation is convenient, only a threaded hole needs to be formed in the counterweight block 4 along the sliding direction perpendicular to the counterweight block 4, after the locking bolt 5 is screwed with the threaded hole, the threaded end part of the locking bolt 5 can be abutted against the connecting rod 3 when the locking bolt 5 is screwed, so that the counterweight block 4 is limited to slide, and when the locking bolt is unscrewed, the threaded end part of the locking bolt 5 is separated from the connecting rod 3, and the counterweight block 4 can slide; wherein, the two straight sections of the two balancing weights 4 and the connecting rod 3 form a lever structure through the articulated elements 8 and the arc sections of the visor 2 and the connecting rod 3.

In an embodiment, an anti-falling cap 6 for preventing the counterweight block 4 from falling off is sleeved at the tip of the connecting rod 3, when the locking bolt 5 is loosened to slidably adjust the counterweight block 4, if the counterweight block 4 slides away from the connecting rod 3 due to improper operation, the counterweight block 4 needs to be sleeved on the connecting rod 3 again, so that the adjusting efficiency is reduced, and the counterweight block 4 can be prevented from sliding away from the connecting rod 3 under the limitation of the anti-falling cap 6; the material of anti-drop cap 6 is soft material of texture such as soft rubber or soft silica gel preferably, through interference fit be in the tip of connecting rod 3, its quality is soft can avoid fish tail children's skin, and the cost is lower.

In the embodiment, the upper part of the front end of the cap body 1 is provided with a notch 11 for accommodating the visor 2. If the gap 11 is not provided, when the visor 2 is tilted, the upper front edge of the visor 2 abuts against the outer wall of the front side of the cap body 1, so as to limit the visor 2 to the state shown in fig. 6, at this time, the angle at which the visor 2 can be turned upwards around the hinge 8 is small, so that the sensitivity of the lever structure is high, after a child sits at a slightly forward angle, the visor 2 is turned downwards to block the view of the child, and the lower edge of the visor 2 may be positioned below the lower edge of the cap body 1, so as to block the view of the child; and under the action of the notch 11, the visor 2 can be continuously turned upwards until the upper edge of the front side of the visor 2 abuts against the vertical edge 9 of the cap body 1 forming the notch 11, namely, the state shown in fig. 6 is changed into the state shown in fig. 7, the notch 11 plays a role of accommodating the visor 2 on one hand, and on the other hand, the maximum angle of the upward turning of the visor 2 can be controlled by controlling the size of the notch 11, so that the sensitivity of the lever structure action is controlled (the larger the value of the maximum angle is, the lower the sensitivity of the lever structure action is).

In the embodiment, the cap body 1 is provided with a cap adjusting buckle 12 for adjusting the size of the cap body 1, and the size of the cap body 1 is adjusted through the cap adjusting buckle 12 according to the actual situation of a child, so that the cap is convenient to wear.

In the embodiment, the light blocking member 13 is arranged at the top of the cap body 1, the light blocking member 13 is preferably a square thin plastic plate (but not limited to the square thin plastic plate, and the light blocking member can be round, polygonal and the like), is wrapped by cloth, and is sewn at the top of the cap body 1, so that on one hand, the irradiation of strong light on the top of the head to eyes can be reduced, the myopia prevention effect is improved, and on the other hand, the square shape is favorable for reminding children, and people can be squarely done and upright writing can be realized.

In the embodiment, a hanging piece 7 for prompting the deflection of the cap body 1 is hung in the left front of the light blocking piece 13; the hanging piece 7 can be selected from a beautiful hanging ornament, on one hand, the beauty of the myopia-preventing hat can be improved, on the other hand, the inclination condition of the sitting posture of the child can be observed through the inclination condition of the hanging piece 7 (by utilizing the principle of a plumb line), so that the function of prompting is achieved, and the sitting posture of the child can be adjusted according to the prompting, so that the function of preventing myopia is improved.

In the embodiment, the upper part of the rear end of the cap body 1 is provided with a limiting part for limiting the connecting rod 3 to turn upwards, when a child sits forwards or sits low, the visor 2 can tilt up the counter weight block 4 so as to turn downwards around the hinged part 8, and thus the sight of the child can be blocked, if the limiting part is not provided, the visor 2 can turn downwards until the visor 2 butts against the chest of the child, a gap can be generated between the visor 2 and the cap body 1, so that the sight of the child cannot be blocked, and when the child recovers a correct sitting posture, the visor 2 cannot be tilted, so that the visor 2 needs to be manually lifted; in this embodiment, due to the function of the light blocking member 13, the function of limiting the connecting rod 3 from turning upwards is achieved (as shown in fig. 8), so that an additional limiting member is not required; however, if the light blocking member 13 cannot play a role of limiting the upward turning of the connecting rod 3, it is necessary to additionally provide a limiting member, which is preferably made of hard plastic, and is sewn to the top end of the cap body 1 and integrally extends to both sides, so as to limit the upward turning of the connecting rod 3.

The working principle is as follows: firstly, according to the actual situation of a child, the size of the cap body 1 is adjusted through the cap adjusting buckle 12, the cap body 1 is worn on the head, and the sitting posture is kept correct; then the two locking bolts 5 are respectively unscrewed, the two balancing weights 4 are respectively slid, because a lever structure is formed between the whole formed by the two balancing weights 4 and the two straight sections of the connecting rod 3 and the whole formed by the visor 2 and the arc-shaped section of the connecting rod 3 by taking the hinged part 8 as a fulcrum, after the balancing weights 4 are slid backwards, the whole gravity center of the lever structure moves backwards, otherwise, the visor 2 is turned backwards, the visor 2 is tilted through the adjusting mode until the upper edge of the front side of the visor 2 is abutted to the vertical edge 9 of the cap body 1 forming the gap 11 (as shown in figure 7), and the lower edge of the visor cap 2 is ensured to be flush with the lower edge of the cap body 1 (or the lower edge of the visor 2 is positioned above the lower edge of the cap body 1), and then the two locking bolts 5 are respectively screwed to complete the fixation of the balancing weights 4, as shown in fig. 3. When the sitting posture of the child leans forward or the head is low, the cap body 1 leans forward (as shown in fig. 4), at the moment, the whole gravity center of the connecting rod 3, the balancing weight 4 and the cap peak 2 moves forward, namely the gravity center of the lever moves forward, the cap peak 2 can tilt the balancing weight 4, the cap peak 2 rotates downwards around the hinged part 8 until the anti-falling cap 6 abuts against the light blocking part 13 to limit the cap peak 2 to continuously rotate downwards (as shown in fig. 5), at the moment, the cap peak 2 blocks the sight of the child, so that after the child recovers the correct sitting posture, the gravity center of the lever moves backwards, the cap peak 2 is tilted again by the balancing weight 4, and the state as shown in fig. 3 is automatically recovered, so that the function of preventing myopia is achieved. In addition, the hanging piece 7 reflects the deflection condition of the cap body 1 by observing the deflection condition of the hanging piece 7 by utilizing the principle of a plumb line, so that the deflection condition of the sitting posture of a child is prompted, and the sitting posture of the child can be adjusted according to the prompt.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A myopia-preventing cap comprises a cap body (1) and a visor (2), and is characterized by further comprising a connecting rod (3) and a balancing weight (4), wherein the visor (2) is located on the front side of the cap body (1) and is in running fit with the left side and the right side of the cap body (1) through a hinge piece (8); the connecting rod (3) is of a U-shaped structure consisting of two straight sections and an arc-shaped section, the arc-shaped section of the connecting rod (3) is connected to the rear side of the visor (2), and the balancing weight (4) is connected to the straight sections of the connecting rod (3); the two straight sections of the balancing weight (4) and the connecting rod (3) form a lever structure through the hinged part (8) and the arc sections of the visor (2) and the connecting rod (3).

2. The myopia prevention cap according to claim 1, wherein the weight block is slidably connected to the connecting rod (3), and a locking member for limiting the sliding of the weight block is provided between the weight block and the connecting rod (3).

3. Myopia prevention cap according to claim 2, characterized in that the tip of the connecting rod (3) is provided with an anti-drop cap (6) for preventing the weight block from dropping off.

4. Myopia-preventing cap according to claim 1, characterized in that the upper part of the front end of the cap body (1) is provided with a notch (11) for receiving the visor (2).

5. The myopia-preventing cap according to claim 1, wherein a limiting member for limiting the upward turning of the connecting rod (3) is provided at an upper portion of the rear end of the cap body (1).

6. The myopia-preventing cap according to claim 1, wherein the cap body (1) is provided with a cap adjusting buckle (12) for adjusting the size of the cap body (1).

7. An anti-myopia cap according to any one of claims 1 to 6, wherein a light barrier (13) is provided at the top of the cap body (1).

8. Myopia-preventing cap according to claim 7, characterized in that a hanging piece (7) for indicating the deflection of the cap body (1) is hung on the left front or right front of the light barrier (13).