CN211459268U

CN211459268U - Sitting posture correction device for preventing myopia of teenagers

Info

Publication number: CN211459268U
Application number: CN201921708632.8U
Authority: CN
Inventors: 冉一君
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-13
Filing date: 2019-10-13
Publication date: 2020-09-11
Anticipated expiration: 2029-10-13

Abstract

The utility model provides a sitting posture correction device for preventing myopia of teenagers, which comprises a seat backrest, a supporting plate, a seat plate, a front positioning shaft, a rear positioning shaft, a rotating shaft, a top rest plate, a positioning inserted bar, a top rod, a positioning gear, an installation hanging frame, a connecting rod and a rack plate; the whole seat backrest is arranged in a rectangular bent mode, and the seat backrest 1 is fixedly arranged on two leaning rods at the upper part of the supporting plate 2; the whole rectangle setting that is of bedplate, both ends position symmetry respectively have the preceding location axle of two and the location axle behind two around its bottom, and the location axle all is square setting behind two, and its bottom section corresponds the later half section of sliding insertion through two installation hoisting frame bottom vaulting poles, and under the top of the epaxial spring of location behind location axle and two in two, the bedplate under by the seat can kick-back and rise automatically, and the rack board of two places of area resets and makes two places of top lean on the board automatic rotation and arrange initial vertical support state in, makes things convenient for the student to stand up and leaves.

Description

Sitting posture correction device for preventing myopia of teenagers

Technical Field

The utility model belongs to the technical field of the position of sitting is corrected, more specifically says, in particular to is used for teenagers' prevention position of sitting orthotic devices for myopia.

Background

The chair is a daily tool in study and leisure life. The sitting posture of students, children and other properly-developed groups is particularly important, and the existing chairs are not provided with devices for binding the waist and the neck of a human body, so that the sitting posture of the students and children is easy to deform after sitting for a long time, the healthy development of the students and children is influenced, the students are easy to look at east and expect in class, the attention is not focused, and serious people can cause humpback or vision reduction caused by sitting posture distortion; for adults who sit in offices for a long time, the adults are also very easy to suffer from cervical spondylosis after sitting on an unbounded chair for a long time, and in order to thoroughly avoid the problems, a novel chair capable of correcting sitting postures is provided.

For example, a sitting posture correction chair disclosed in patent No. CN201220188624.7 comprises a seat, a back and legs, wherein the front of the back is provided with shoulder restraint belts. When a student sits, the upper half body of the student is restrained by the shoulder restraint belts, so that the sitting posture of the student is controlled, the upper body of the student is straight, the deformation of the spine is effectively prevented, and the myopia can be prevented.

At present, when the sitting posture correction device used in the prior art is used by being seated, the restraining belt needs to be fastened manually or other correction devices (such as a stop lever, a baffle and the like) need to be operated and adjusted, when the sitting posture correction device is erected, the correcting stop lever or the restraining belt needs to be loosened or moved, and the operation and the use process are complicated and inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a be used for teenagers' prevention position of sitting orthotic devices for myopia to when solving position of sitting orthotic devices and putting the use at every turn, all need other orthotic devices of manual straining constraint area or operation adjustment (like shelves pole, baffle etc.), when standing up, need again to correct shelves pole or constraint area pine and take off or move, the complicated inconvenience of operation use flow.

The utility model is used for teenagers 'prevention myopia reaches with position of sitting orthotic devices' purpose and efficiency by following specific technological means:

2. a sitting posture correction device for preventing myopia of teenagers comprises a seat backrest, a supporting plate, a seat plate, a front positioning shaft, a rear positioning shaft, a rotating shaft, a top rest plate, a positioning inserted bar, a top rod, a positioning gear, a mounting hanging frame, a connecting rod and a rack plate; the seat backrest is integrally and rectangularly bent and fixedly arranged on two leaning rods at the upper part of the supporting plate; the whole supporting plate is in rectangular four-corner arc transition arrangement, a rectangular placing groove is formed in the middle position of the supporting plate, and a plurality of air holes are uniformly distributed on a bottom plate of the placing groove; the lower ends of the left side and the right side of the bottom of the supporting plate are fixedly connected with two symmetrical mounting hanging frames, and a cross brace connecting plate is welded at the front side position between the two mounting hanging frames; the whole rectangular setting that is of bedplate, both ends position symmetry respectively have two preceding location axle and two back location axle of department downwards welded around its bottom, two back location axle all is square setting, and the corresponding slip of the bottom of two back location axles passes the second half section of two installation hanger frame bottom fagging.

Furthermore, the seat board is respectively inserted on the mounting hanging frame through the two front positioning shafts and the two rear positioning shafts through springs, and the bottoms of the two front positioning shafts slide through the two mounting hanging frame front side cross support connecting plates.

Furthermore, the middle sections of the two rear positioning shafts are respectively and rotatably connected with a connecting rod, and the tail ends of the two connecting rods are respectively and rotatably connected with a rack plate; two T-shaped sliding grooves are formed in the bottom support rods of the mounting hanging frames, and the two rack plates are correspondingly inserted into the two T-shaped sliding grooves in a sliding mode.

Furthermore, the intermediate position of the layer board left and right sides all wears to be equipped with a department axis of rotation, and the bottom of two department axes of rotation rotates through the bearing and connects on the location otic placode in two installation hanging frame bottom vaulting poles outsides, and two department axis of rotation bottom upper portions all overlap and establish the welding and have a department gear, and two department gears correspond and two rack plate meshing transmission.

Furthermore, the top ends of the two rotating shafts are respectively supported and welded with a top leaning plate, and the front end and the rear end of the bottom of the two top leaning plates are respectively rotatably connected with two supporting connecting rods; the other end of the two supporting connecting rods is rotatably connected with a cylindrical mandril, and the tail end of one supporting connecting rod is welded with a positioning gear.

Further, the bottom intermediate position of top backup plate is equipped with two fixed blocks, runs through sliding connection on the two fixed blocks and has a location inserted bar, the cover is equipped with the spring on the inserted bar of location, the one end of spring and the fixed block fixed connection who is close to the positioning gear, and the other end of spring and the middle part fixed connection of location inserted bar, the head end of location inserted bar is equipped with the jack catch, the jack catch can correspond the top and insert on the positioning gear.

The utility model discloses at least, include following beneficial effect:

the two rear positioning shafts, the two rack plates and the two connecting rods jointly form a down-sliding pushing front-back sliding mechanism, the seat plate can downwards press and slide the two rear positioning shafts and push the two rack plates to slide forwards only by sitting on the seat plate through the mechanism, so that the two top leaning plates automatically rotate and are positioned in a horizontal blocking leaning and correcting state, the trouble of manual operation and positioning is avoided, the use is convenient and fast, the ejector rod and the two supporting connecting rods at the left end and the right end of the ejector rod jointly form a parallelogram rotation adjusting structure, the distance of the ejector rod from a rear top support can be changed through the front-back rotation of the two supporting connecting rods, the two ejector rods can be suitable for supporting and blocking students leaning on different body lattices, and the use is flexible and wide in application.

Drawings

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

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 3 is a bottom three-dimensional schematic view of the present invention.

Fig. 4 is a schematic view of the structure of the supporting board of the present invention.

Fig. 5 is a schematic view of the bottom structure of the top backup plate of the present invention.

Fig. 6 is a schematic diagram of the rack plate structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a seat back; 2. a support plate; 3. a seat plate; 301. a front positioning shaft; 302. a rear positioning shaft; 4. a rotating shaft; 401. a top backup plate; 402. positioning the inserted rod; 5. a top rod; 501. positioning a gear; 6. installing a hanging frame; 7. a connecting rod; 8. a rack plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

3. the utility model provides a sitting posture correction device for preventing myopia of teenagers, which comprises a seat backrest 1, a supporting plate 2, a seat plate 3, a front positioning shaft 301, a rear positioning shaft 302, a rotating shaft 4, a top leaning plate 401, a positioning inserted link 402, an ejector rod 5, a positioning gear 501, an installation hanging frame 6, a connecting rod 7 and a rack plate 8; the seat backrest 1 is integrally and rectangularly bent, and the seat backrest 1 is fixedly arranged on two leaning rods at the upper part of the supporting plate 2; the supporting plate 2 is integrally arranged in a rectangular four-corner arc transition mode, a rectangular placing groove is formed in the middle position of the supporting plate, and a plurality of air holes are uniformly distributed in the bottom plate of the placing groove; the lower ends of the left side and the right side of the bottom of the supporting plate 2 are fixedly connected with two symmetrical installation hanging frames 6, and a cross brace connecting plate is welded at the front side position between the two installation hanging frames 6; the whole rectangular setting that is of bedplate 3, the welding of both ends position lower extreme has preceding location axle 301 and two back location axle 302 of two symmetries around bedplate 3 bottom, and wherein two back location axle 302 all are square setting, and two back location axle 302's bottom corresponds the back half section of sliding insertion through 6 bottom fagging of two installation hoisting frames.

Wherein, bedplate 3 runs through the spring through inserting on installing hanging frame 6 through two preceding location axle 301 and two back location axle 302, and the bottom of two preceding location axle 301 slides and runs through on two installation hanging frame 6 front side stull link plates, and on two preceding location axle 301 and two back location axle 302 spring-loaded down, bedplate 3 under the seat can kick-back the rise automatically, and the rack plate 8 of the parallel connection strip two resets and makes two automatic rotations of top board 401 place initial vertical support state in, makes things convenient for the student to stand up and leaves.

Wherein, the middle sections of the two rear positioning shafts 302 are hinged with a connecting rod 7, and the tail ends of the two connecting rods 7 are hinged with a rack plate 8; the two installation hanger frames 6 have one T-shaped sliding groove on the bottom supporting plate, and two rack plates 8 are inserted into the two T-shaped sliding grooves correspondingly, two rear positioning shafts 302, two rack plates 8 and two connecting rods 7 jointly form a sliding mechanism for sliding and pushing front and rear, through which the seat plate 3 can be seated on the seat plate 3 downwards, the seat plate 3 can be pressed downwards against the two rear positioning shafts 302 and push the two rack plates 8 to slide forwards, so that the two top leaning plates 401 can be automatically rotated and positioned in a state of horizontal leaning and leaning against for correction, the trouble of manual positioning is avoided, and the use is simple and convenient.

Wherein, the intermediate position of the 2 left and right sides of layer board all wears to be equipped with a axis of rotation 4, and the bottom of these two axis of rotation 4 is rotated through the bearing and is connected on the location otic placode in the 6 bottom fagging outsides of two installations hanging frame, and the welding has a gear in two places of 4 bottom upper portions of axis of rotation all overlap, and these two places of gear is connected with two rack plate 8 meshing transmission that correspond, can accomplish the rotation control to two place axis of rotation 4 through two gears and two rack plate 8 meshing transmission that correspond.

Wherein, the top of two axis of rotation 4 all supports the welding and has a rectangular rectangle top backup plate 401 that both ends are the circular arc transition setting, the bottom front and back end of this two top backup plate 401 all rotates and is connected with two and props the connecting rod, the other end that this two propped the connecting rod rotates and is connected with a cylindrical ejector pin 5, and the tail end welding of one of them propping the connecting rod is provided with a location gear 501, ejector pin 5 props the connecting rod with two of its left and right sides both ends and has constituteed a parallelogram regulation structure jointly, the distance that can change ejector pin 5 and prop backward through the rotation around the connecting rod of two punishments makes two ejector pins 5 can be suitable for the propping to keep off by the different students of different physique health thickness, flexible use, use extensively.

Wherein, the bottom intermediate position that leans on board 401 in the top is equipped with two fixed blocks, run through sliding connection and have a location inserted bar 402 on two fixed blocks, the cover is equipped with the spring on the inserted bar 402 of location, the one end of spring and the fixed block fixed connection who is close to positioning gear 501, the other end of spring and the middle part fixed connection of location inserted bar 402, the head end of location inserted bar 402 is equipped with the jack catch, the jack catch can correspond the top and insert on positioning gear 501, can conveniently rotate location ejector pin 5 through location inserted bar 402 and positioning gear 501's the corresponding plug-in card, adjust location ejector pin 5 and the distance that leans on board 401 in the top.

The specific use mode and function of the embodiment are as follows:

the student sits on bedplate 3 according to normal position of sitting, bedplate 3 moves down and drives back location axle 302 and moves down, and then drive 8 horizontal migration of rack plate through connecting rod 7, 8 horizontal migration of rack plate and then drive the gear revolve on the axis of rotation 4, top backup plate 401 rotates along with the gear, just can accomplish to two places top backup plate 401 rotation control make it rotate and arrange student's chest in, carry out the correction of position of sitting and use, the distance that can change ejector pin 5 and prop the connecting rod backward through operation and top backup plate 401 rotation simultaneously makes two ejector pins 5 can be suitable for the top to prop the fender and lean on the different students of different physique health thickness, and flexible use is used, and wide application.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A sitting posture correction device for preventing myopia of teenagers is characterized in that: the seat comprises a seat backrest (1), a supporting plate (2), a seat plate (3), a front positioning shaft (301), a rear positioning shaft (302), a rotating shaft (4), a top backup plate (401), a positioning inserted bar (402), a top bar (5), a positioning gear (501), a mounting hanging frame (6), a connecting rod (7) and a rack plate (8); the seat backrest (1) is integrally and rectangularly bent, and the seat backrest (1) is fixedly arranged on two leaning rods at the upper part of the supporting plate (2); the supporting plate (2) is integrally arranged in a rectangular four-corner arc transition mode, a rectangular placing groove is formed in the middle position of the supporting plate, and a plurality of air holes are uniformly distributed in the bottom plate of the placing groove; the lower ends of the left side and the right side of the bottom of the supporting plate (2) are fixedly connected with two symmetrical installation hanging frames (6), and a cross-brace connecting plate is welded at the front side position between the two installation hanging frames (6); the whole seat board (3) is arranged in a rectangular shape, two front positioning shafts (301) and two rear positioning shafts (302) are symmetrically welded downwards at the front end and the rear end of the bottom of the seat board respectively, the rear positioning shafts (302) are arranged in a square shape, and the bottoms of the two rear positioning shafts (302) are correspondingly inserted into the rear half sections of bottom supporting plates of the hanging frames (6) in two mounting positions in a sliding mode.

2. The apparatus of claim 1, wherein the apparatus is adapted to prevent myopia in a juvenile subject by: the seat board (3) is respectively inserted on the mounting hanging frame (6) through the two front positioning shafts (301) and the two rear positioning shafts (302) through springs, and the bottoms of the two front positioning shafts (301) slide through the two mounting hanging frame (6) front side cross-brace connecting plates.

3. The apparatus of claim 1, wherein the apparatus is adapted to prevent myopia in a juvenile subject by: the middle sections of the two rear positioning shafts (302) are respectively and rotatably connected with a connecting rod (7), and the tail ends of the two connecting rods (7) are respectively and rotatably connected with a rack plate (8); two T-shaped sliding grooves are formed in the supporting rods at the bottoms of the two mounting hanging frames (6), and the two rack plates (8) are correspondingly inserted into the two T-shaped sliding grooves in a sliding mode.

4. The apparatus of claim 1, wherein the apparatus is adapted to prevent myopia in a juvenile subject by: the middle position of the left side and the right side of the supporting plate (2) is provided with a rotating shaft (4) in a penetrating mode, the bottom ends of the two rotating shafts (4) are connected to the positioning lug plates on the outer sides of the bottom support rods of the two installation hanging frames (6) through bearings in a rotating mode, the upper portions of the bottom ends of the two rotating shafts (4) are sleeved with gears in a sleeved mode, and the gears in the two positions correspond to the rack plates (8) in the two positions in a meshing mode.

5. The apparatus of claim 1, wherein the apparatus is adapted to prevent myopia in a juvenile subject by: the top ends of the two rotating shafts (4) are respectively supported and welded with a top backup plate (401), and the front end and the rear end of the bottom of the two top backup plates (401) are respectively rotatably connected with two supporting connecting rods; the other ends of the two supporting connecting rods are rotatably connected with a cylindrical mandril (5), and the tail end of one supporting connecting rod is welded with a positioning gear (501).

6. The apparatus of claim 1, wherein the apparatus is adapted to prevent myopia in a juvenile subject by: the bottom intermediate position of top backup plate (401) is equipped with two fixed blocks, runs through sliding connection on the fixed block and has a location inserted bar (402) two places, the cover is equipped with the spring on location inserted bar (402), the one end of spring and the fixed block fixed connection who is close to positioning gear (501), and the other end of spring and the middle part fixed connection of location inserted bar (402), the head end of location inserted bar (402) is equipped with the jack catch, the jack catch can correspond the top and insert on positioning gear (501).