CN210809776U - Two-section sitting posture eyesight protection device for children - Google Patents
Two-section sitting posture eyesight protection device for children Download PDFInfo
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- CN210809776U CN210809776U CN201921156071.5U CN201921156071U CN210809776U CN 210809776 U CN210809776 U CN 210809776U CN 201921156071 U CN201921156071 U CN 201921156071U CN 210809776 U CN210809776 U CN 210809776U
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Abstract
The utility model provides a two section formula children position of sitting eyesight protection devices, include: two bases arranged at two ends of the table top; the two supporting seats are vertically arranged on the upper end surface of the base; the two supporting pieces are vertically arranged on the upper end surface of the supporting seat, and the lower ends of the supporting pieces are connected with the supporting seat; the two connecting rods respectively comprise a vertical rod and a cross rod, and the lower end of the vertical rod is rotatably connected with the upper end of the supporting piece; the cross rod is telescopically inserted in the connecting pipe; the two connecting sleeves are sleeved at the connecting positions of the connecting pipes and the cross rods; the two connecting rods form an inverted concave frame through the matching of the cross rod and the connecting pipe. The device adjusts the height of the cross rod and the inclination angle of the concave frame through the matching of the double-ball head structures and the synchronous rotation of the vertical rods on the two sides, so that the limitation on the distance between the body of a user and a desk, between the lower jaw of the user and the desktop is formed, and the aims of sitting posture correction and eyesight protection are fulfilled.
Description
Technical Field
The utility model belongs to the technical field of the position of sitting is corrected, specifically, relate to a two section formula children position of sitting eyesight protection devices.
Background
In recent years, the number of children with myopia and spinal curvature caused by improper sitting posture is gradually increasing, and the improper sitting posture is one of the main causes of the visual defects and the spinal dysplasia of the children and is very harmful to the healthy development of the children.
Many children like to lie on a desk to read a book, do not have the right sitting posture awareness, need attention from adults, do not have good writing postures and dining sitting postures, and the like. Many bad habits of adults are developed from young children, and the bad habits of young children are difficult to change, so that people should pay attention to correct some bad habits of children from childhood, and develop correct sitting postures of children, which is a problem that parents should pay attention to early.
To the position of sitting protection, prior art relates to a position of sitting vision protector, including base and lifter, this position of sitting vision protector of its characterized in that comprises lower jaw support, top chest board, vertical lift device and base, and lower jaw support bottom is installed at vertical lift device's top, and top chest board facial features is towards the user, and vertical lift device's bottom is installed on the base. The sitting posture vision protector can effectively prevent the too close distance between eyes and visual objects during learning, promote a user to keep a correct reading and writing mode, and adjust the position of the lower jaw support according to the height and other conditions of the user, thereby achieving the purpose of protecting the vision of the user. However, when the user uses the protector, the chest is pushed by the top chest plate of the protector, which is easy to cause discomfort; secondly, the protector is inconvenient to store and release, if the protector is used for a long time, the protector can only be detached and moved, and the protector needs to be installed again when in use.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a two-section children's position of sitting eyesight protection device to solve current position of sitting protector and use uncomfortable, the inconvenient problem of operation.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the utility model discloses an aspect, a two-section children position of sitting eyesight protection device, the device includes: the two bases are vertically and symmetrically arranged at two ends of the length direction of the tabletop of the table; the two supporting seats are respectively and vertically arranged on the upper end surfaces of the two bases, and each base corresponds to one supporting seat; the two supporting pieces are respectively and vertically arranged on the upper end surfaces of the two supporting seats, each supporting seat corresponds to one supporting piece, and the lower ends of the supporting pieces are connected to the supporting seats; the two connecting rods respectively comprise a vertical rod and a cross rod connected to the upper end of the vertical rod, the two connecting rods are arranged in a mirror symmetry mode, and the lower end of the vertical rod of each connecting rod is rotatably connected with the upper end of the supporting piece; the connecting pipe is horizontally arranged, and one end of the cross rod, which is far away from the vertical rod, is telescopically inserted into two opening ends of the connecting pipe to form telescopic connection between the cross rod and the connecting pipe; the two connecting sleeves are respectively sleeved at the connecting parts of the connecting pipes and the cross rods, the cross rods are connected with the connecting pipes through the connecting sleeves, and the connecting sleeves are used for adjusting the length of the cross rods extending into the connecting pipes; the connecting rods form an inverted concave frame through the matching of the cross rods and the connecting pipes, and the connecting rods are rotatably connected with the supporting pieces through the vertical rods to form the overturning of the concave frame based on the supporting pieces, so that the sitting posture of the children can be corrected.
Furthermore, two base opposite faces are respectively provided with a clamping groove to form the C-shaped cross section structure of the base, and the base is clamped at the two ends of the table top in the length direction through the clamping grooves.
Furthermore, the bottom surface of the base is provided with an insertion hole corresponding to the vertical position of the side wall of the clamping groove, the insertion rod is telescopically inserted into the inner side of the clamping groove through the insertion hole, and the insertion rod is matched with the clamping groove to form fixed connection between the base and the desktop; the inserted bar is spirally inserted into the jack.
Furthermore, a stud is horizontally and convexly arranged at the end part of the cross rod of the connecting rod, which is far away from the end part of the vertical rod, correspondingly, a nut matched with the stud is connected in the position, which is close to the opening end, of the inner side of the connecting pipe, and the stud is in threaded connection with the nut to form telescopic connection between the cross rod and the connecting pipe; the stud is a conical stud, and the nut is an expansion nut.
Furthermore, the supporting seat is a supporting ball head, and the lower end of the supporting ball head is detachably arranged on the upper end surface of the base; the lower end face of the vertical rod is detachably provided with a rotary ball head, and the ball head part of the supporting ball head is opposite to the ball head part of the rotary ball head; the supporting piece is a vertically arranged clamp, an upper rotating groove is formed in the upper end face of the clamp, and a clamping groove is formed in the lower end face of the clamp; the ball head part of the supporting ball head is inserted into the clamping groove to form clamping and detachable connection between the supporting piece and the supporting seat; the ball head part of the rotary ball head is inserted into the upper rotary groove to form the rotary connection between the vertical rod and the supporting piece, so that the concave frame can be turned over on the basis of the supporting piece.
Further, the clamp comprises a left clamp and a right clamp which are vertically arranged, wherein the upper parts of the opposite surfaces of the left clamp and the right clamp are respectively provided with symmetrically arranged upper concave arcs, the lower parts of the opposite surfaces of the left clamp and the right clamp are respectively provided with symmetrically arranged lower concave arcs, the two upper concave arcs are matched to form the upper rotating groove, and the two lower concave arcs are matched to form the clamping groove; connecting holes are respectively formed in the middle parts of the left clamp and the right clamp in the horizontal direction, a screw rod is sequentially and rotatably inserted into the two connecting holes, an adjusting knob is rotatably connected to the outer end of the screw rod, the screw rod is in threaded connection with the adjusting knob, the adjusting knob is rotated to adjust the distance between the left clamp and the right clamp, and the clamping degree between the left clamp and the right clamp is adjusted.
Furthermore, a gasket is sleeved on the screw rod positioned between the adjusting knob and the outer wall of the clamp; the screw rod is an outer hexagonal screw.
The beneficial effects of the utility model reside in that:
the vision protection device is characterized in that bases are installed at two ends of the length direction of the desktop, the supporting piece is installed on the upper surface of the base in a rotating mode, a concave frame which is inverted through the connecting rod and the connecting pipe is formed, the concave frame is connected with the supporting piece in a rotating mode to form overturning, the overturning of the concave frame is achieved, the height of the cross rod and the inclination angle of the concave frame are adjusted through the vertical rods on two sides of the concave frame in a rotating mode, the spacing between the body of a user and the desk, between the lower jaw and the desktop is limited, and therefore the purpose of correcting.
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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of a two-section sitting posture eyesight protection device for children provided by embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic view of a fitting structure of a clamp, a screw rod and an adjusting knob in a two-section sitting posture eyesight protection device for children according to embodiment 1 of the present invention;
fig. 4 is a schematic view of a fitting structure of a stud and a nut in a two-piece sitting posture vision protection device for children according to embodiment 1 of the present invention;
in the figure, 1, a base, 11, a clamping groove, 12, a jack, 13 and an inserted rod;
2. a support seat 21 for supporting the ball head;
3. the clamping device comprises a support member 31, a clamp 311, an upper rotating groove 312, a clamping groove 313, a left clamp 314, a right clamp 315, an upper concave arc 316, a lower concave arc 317 and a connecting hole;
4. a connecting rod 41, a vertical rod 411, a rotary ball head 42, a cross rod 43 and a stud;
5. connecting pipe 51, nut;
6. connecting a sleeve;
7. a screw rod 71 and an adjusting knob;
8. a gasket;
9. a rotating shaft 91 and an adjusting knob;
100. a concave frame.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1 ~ 4, a two section formula children position of sitting eyesight protection devices, the device includes: two bases 1 vertically and symmetrically arranged at two ends of a table top (not shown) of the table in the length direction; the two supporting seats 2 are respectively and vertically arranged on the upper end surfaces of the two bases 1, and each base 1 corresponds to one supporting seat 2; the two supporting pieces 3 are respectively and vertically arranged on the upper end surfaces of the two supporting seats 2, each supporting seat 2 corresponds to one supporting piece 3, and the lower ends of the supporting pieces 3 are connected to the supporting seats 2; the two connecting rods 4 respectively comprise a vertical rod 41 and a cross rod 42 connected to the upper end of the vertical rod 41, the two connecting rods 4 are arranged in a mirror symmetry mode, and the lower end of the vertical rod 41 of each connecting rod 4 is rotatably connected with the upper end of the support piece 3; the connecting pipe 5 is horizontally arranged, and one end of the cross rod 42, which is far away from the vertical rod 41, is telescopically inserted into two opening ends of the connecting pipe 5 to form telescopic connection between the cross rod 42 and the connecting pipe 5; the two connecting sleeves 6 are respectively sleeved at the connecting parts of the connecting pipes 5 and the cross rods 42, the cross rods 42 are connected with the connecting pipes 5 through the connecting sleeves 6, and the connecting sleeves 6 are used for adjusting the length of the cross rods 42 extending into the connecting pipes 5; two the connecting rod 4 forms a concave frame 100 of inversion through the cooperation of horizontal pole 42 with connecting pipe 5, two connecting rod 4 passes through montant 41 and support piece 3 swivelling joint, forms concave frame 100 uses support piece 3 as the upset of basis, realizes the correction to children's position of sitting.
Furthermore, two base 1 opposite faces are respectively provided with a clamping groove 11 to form the C-shaped cross section structure of the base, and the base 1 is clamped at the two ends of the table top of the table in the length direction through the clamping grooves 11.
The design of joint groove 11 can make base 1 joint in desktop both ends, guarantees the stability of base assembly.
Furthermore, a jack 12 is arranged at the bottom surface of the base 1 corresponding to the vertical position of the side wall of the clamping groove 11, an inserting rod 13 is telescopically inserted into the inner side of the clamping groove 11 through the jack 12, and the inserting rod 13 is matched with the clamping groove 11 to form fixed connection between the base 1 and the desktop; the insertion rod 13 is spirally inserted into the insertion hole 12.
The design of the inserted rod 13 can make the base 1 adapt to the table tops with different thicknesses, and can ensure that the base 1 is firmly arranged at two ends of the table top.
Further, a stud 43 is horizontally and convexly arranged at one end part of the cross rod 42 of the connecting rod 4, which is far away from the vertical rod 41, correspondingly, a nut 51 matched with the stud 43 is connected in the position, which is close to the opening end, of the inner side of the connecting pipe 5, and the stud 43 is in threaded connection with the nut 51 to form telescopic connection between the cross rod 42 and the connecting pipe 5; the stud 43 is a tapered stud and the nut 51 is an expansion nut.
The stud 43 is matched with the nut 51, so that the length of the cross rod 42 extending into the connecting pipe 5 can be adjusted, a telescopic structure is formed, the use requirements of tables with different lengths are met, or the horizontal length of the concave frame 100 is adjusted, and the use is more convenient.
The side of the expansion nut is an opening, and when the expansion nut is screwed into the inner side of the conical stud, the expansion nut gradually expands outwards and finally props against the inner wall of the connecting pipe 5, so that the connection between the cross rod 42 and the connecting pipe 5 is firmed.
Furthermore, the support seat 2 is a support ball 21, and the lower end of the support ball 21 is detachably mounted on the upper end surface of the base 1; the lower end surface of the vertical rod 41 is detachably provided with a rotating ball head 411, and the ball head part of the supporting ball head 21 is opposite to the ball head part of the rotating ball head 411; the supporting piece 3 is a vertically arranged clamp 31, the upper end surface of the clamp 31 is provided with an upper rotating groove 311, and the lower end surface is provided with a clamping groove 312; the ball head part of the support ball head 21 is inserted into the clamping groove 312 to form clamping and detachable connection between the support piece 3 and the support seat 2; the head of the rotary ball 411 is inserted into the upper rotary slot 311 to form a rotary connection between the vertical rod 41 and the supporting member 3, so as to turn the concave frame 100 based on the supporting member 3.
Further, the clamp 31 includes a left clamp 313 and a right clamp 314 which are vertically arranged, the upper parts of the opposite surfaces of the left clamp 313 and the right clamp 314 are respectively provided with symmetrically arranged upper concave arcs 315, the lower parts of the opposite surfaces of the right clamp 314 are respectively provided with symmetrically arranged lower concave arcs 316, the two upper concave arcs 315 are matched to form the upper rotating groove 311, and the two lower concave arcs 316 are matched to form the clamping groove 312; the middle parts of the left clamp 313 and the right clamp 314 are respectively provided with a connecting hole 317 along the horizontal direction, a screw 7 is sequentially and rotatably inserted into the two connecting holes 317, the screw 7 is rotatably connected with an adjusting knob 71 at the outer side end of the clamp 31, the screw 7 is in threaded connection with the adjusting knob 71, the adjusting knob 71 is rotated to adjust the distance between the left clamp 313 and the right clamp 314, and the clamping degree between the left clamp 313 and the right clamp 314 is adjusted.
Further, a gasket 8 is sleeved on the screw 7 between the adjusting knob 71 and the outer wall of the clamp 31; the screw 7 is an outer hexagonal screw.
And simultaneously, the utility model provides a two section formula children position of sitting eyesight protection devices's user mode as follows:
in this embodiment, the support ball 21 is used as the support seat 2, and the clamp 31 is used as the support member 3;
when the table is used, the two bases 1 are clamped at the two ends of the table top in the length direction through the clamping grooves 11, and the bases 1 are firmly clamped at the two ends of the table top in the length direction through the rotation of the inserting rods 13;
the vertical rod 41 of the connecting rod 4 is rotatably connected with the upper rotating groove 311 of the clamp 31 through the rotating ball head 411, when the sitting posture needs to be corrected, the adjusting knob 71 can be loosened to turn the concave frame 100 towards the direction of a user, the concave frame 100 is turned over with the upper rotating groove 311 of the clamp 31 through the rotating ball head 411 to adjust the turning angle of the concave frame 100, the cross rod 42 is matched with the connecting pipe 5, the rotating ball head 411 is matched with the supporting ball head 21 to form a double-ball head structure, the height of the cross rod 42 and the inclination angle of the concave frame 100 are adjusted by synchronously rotating the two vertical rods 41, the concave frame 100 is turned in place, the adjusting knob 71 is screwed to form the concave frame 100 to limit the distance between the body of the user and a table, between the lower jaw and a table top, and;
when correction is not needed, the concave frame 100 can be turned over to a direction away from a user, the concave frame is erected, and even the concave frame can be turned over to a position below a desktop, so that an unobstructed and complete desktop use space is reserved for the user;
the clamp 31 clamps the ball head part of the support ball head 21 through the clamping groove 312, so that the support matching between the clamp 31 and the support ball head 21 is realized, the adjusting knob 71 is screwed, the left clamp 313 and the right clamp 314 are tightened, the ball head part of the support ball head 21 is tightened by the clamping groove 312, and the clamp 31 is matched with the support ball head 21 to form a support for the rotation ball head 411 and the vertical rod 41.
The double-ball-head double-node design of the supporting ball head 21 and the rotating ball head 411, under the condition that the position of the base 1 is not changed, a single ball head (for example, the supporting ball head 21 or the rotating ball head 411 can rotate 180 degrees, and the linkage of the double ball heads can rotate 360 degrees) can still make larger adjustment on the height and the inclination angle of the concave frame 100, and the installation position of the base 1 also has more choices, so that the double-ball-head double-node design is suitable for more tables and user requirements.
The matching design of the screw rod 7 and the adjusting knob 71 can adjust the distance between the left clamp 313 and the right clamp 314, thereby adjusting the clamping degree of the clamp 31 and ensuring the convenience of use and the stability of the support piece to the concave frame support.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the scope of the present invention, which is intended to be covered by the appended claims.
Claims (7)
1. A two-piece child sitting posture vision protection device, the device comprising:
the two bases are vertically and symmetrically arranged at two ends of the length direction of the tabletop of the table;
the two supporting seats are respectively and vertically arranged on the upper end surfaces of the two bases, and each base corresponds to one supporting seat;
the two supporting pieces are respectively and vertically arranged on the upper end surfaces of the two supporting seats, each supporting seat corresponds to one supporting piece, and the lower ends of the supporting pieces are connected to the supporting seats;
the two connecting rods respectively comprise a vertical rod and a cross rod connected to the upper end of the vertical rod, the two connecting rods are arranged in a mirror symmetry mode, and the lower end of the vertical rod of each connecting rod is rotatably connected with the upper end of the supporting piece;
the connecting pipe is horizontally arranged, and one end of the cross rod, which is far away from the vertical rod, is telescopically inserted into two opening ends of the connecting pipe to form telescopic connection between the cross rod and the connecting pipe;
the two connecting sleeves are respectively sleeved at the connecting parts of the connecting pipes and the cross rods, the cross rods are connected with the connecting pipes through the connecting sleeves, and the connecting sleeves are used for adjusting the length of the cross rods extending into the connecting pipes;
two the connecting rod passes through the cooperation of horizontal pole and connecting pipe and forms the spill frame of an inversion, two the connecting rod passes through montant and support piece swivelling joint, forms the upset of spill frame with support piece as the basis realizes the correction to children's position of sitting.
2. The two-section sitting posture eyesight protection device for children as claimed in claim 1, wherein the base has a C-shaped cross-section structure with a pair of fastening grooves formed on opposite surfaces thereof, and the base is fastened to two ends of the table top of the table in the length direction via the fastening grooves.
3. The two-section sitting posture eyesight protection device for children as claimed in claim 2, wherein the bottom surface of the base is provided with a jack at a vertical position corresponding to the side wall of the clamping groove, the insertion rod is telescopically inserted into the inner side of the clamping groove through the jack, and the insertion rod and the clamping groove cooperate to form a fixed connection between the base and the desktop;
the inserted bar is spirally inserted into the jack.
4. The two-section sitting posture vision protection device for children as claimed in claim 1, wherein a stud is horizontally and convexly arranged at one end of the cross bar of the connecting rod away from the vertical rod, correspondingly, a nut matched with the stud is internally connected at a position close to the opening end inside the connecting pipe, and the threaded connection of the stud and the nut forms a telescopic connection between the cross bar and the connecting pipe;
the stud is a conical stud, and the nut is an expansion nut.
5. The two-piece sitting posture vision protection apparatus for children as claimed in claim 1, wherein the supporting base is a supporting ball, and the lower end of the supporting ball is detachably mounted on the upper end surface of the base;
the lower end face of the vertical rod is detachably provided with a rotary ball head, and the ball head part of the supporting ball head is opposite to the ball head part of the rotary ball head;
the supporting piece is a vertically arranged clamp, an upper rotating groove is formed in the upper end face of the clamp, and a clamping groove is formed in the lower end face of the clamp;
the ball head part of the supporting ball head is inserted into the clamping groove to form clamping and detachable connection between the supporting piece and the supporting seat;
the ball head part of the rotary ball head is inserted into the upper rotary groove to form the rotary connection between the vertical rod and the supporting piece, so that the concave frame can be turned over on the basis of the supporting piece.
6. The two-section sitting posture vision protection device for children as claimed in claim 5, wherein the clamp comprises a left clamp and a right clamp which are vertically arranged, the upper parts of the opposite surfaces of the left clamp and the right clamp are respectively provided with symmetrically arranged upper concave arcs and the lower parts of the opposite surfaces of the left clamp and the right clamp are respectively provided with symmetrically arranged lower concave arcs, the two upper concave arcs are matched to form the upper rotating groove, and the two lower concave arcs are matched to form the clamping groove;
connecting holes are respectively formed in the middle parts of the left clamp and the right clamp in the horizontal direction, a screw rod is sequentially and rotatably inserted into the two connecting holes, an adjusting knob is rotatably connected to the outer end of the screw rod, the screw rod is in threaded connection with the adjusting knob, the adjusting knob is rotated to adjust the distance between the left clamp and the right clamp, and the clamping degree between the left clamp and the right clamp is adjusted.
7. The two-piece seated vision protection apparatus as claimed in claim 6, wherein a spacer is sleeved on the screw rod between the adjusting knob and the outer wall of the clamp; the screw rod is an outer hexagonal screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156071.5U CN210809776U (en) | 2019-07-23 | 2019-07-23 | Two-section sitting posture eyesight protection device for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156071.5U CN210809776U (en) | 2019-07-23 | 2019-07-23 | Two-section sitting posture eyesight protection device for children |
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| Publication Number | Publication Date |
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| CN210809776U true CN210809776U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921156071.5U Active CN210809776U (en) | 2019-07-23 | 2019-07-23 | Two-section sitting posture eyesight protection device for children |
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| Country | Link |
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| CN (1) | CN210809776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425091A (en) * | 2021-07-30 | 2021-09-24 | 姜雨汐 | Adjustable myopia-preventing support |
-
2019
- 2019-07-23 CN CN201921156071.5U patent/CN210809776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425091A (en) * | 2021-07-30 | 2021-09-24 | 姜雨汐 | Adjustable myopia-preventing support |
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