CN216438866U

CN216438866U - Sitting posture corrector

Info

Publication number: CN216438866U
Application number: CN202122478893.9U
Authority: CN
Inventors: 葛之贞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-06
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a sitting posture corrector, which comprises a support frame and a chin rest, wherein the chin rest is detachably connected with the support frame; the connecting rod is used for connecting the upper supporting rod and the lower supporting rod, a plurality of first grooves which are arranged in parallel up and down are arranged on the upper supporting rod, and a prismatic protrusion is formed between every two adjacent first grooves; the connecting rod cavity goes up the bracing piece and can insert inside the connecting rod and slide on the connecting rod, and articulated on the connecting rod have the adjustment spanner, is equipped with the protruding piece with first recess or the protruding size complex of arris form in the nearly connecting rod side of adjustment spanner, is equipped with the through-hole on the connecting rod, and the protruding piece is rotatory and then the screw in or screw out the through-hole along with the adjustment spanner. The sitting posture corrector is simple to install and use, convenient and fast to adjust the height of the chin rest and reliable to fix.

Description

Sitting posture corrector

Technical Field

The utility model relates to the technical field of school supplies, in particular to a sitting posture corrector convenient to adjust.

Background

At present, the number of myopia population in China increases year by year, wherein myopia of teenagers accounts for a large proportion, myopia has great influence on the teenagers and the development later, and researches find that incorrect sitting posture has great influence on the myopia of the teenagers, so that in order to correct the sitting posture, many manufacturers produce sitting posture correctors which are installed on desks when in use. However, most sitting posture correctors adopt a mode of tightly pushing the table top by a screw rod to realize fixed adjustment, the installation and adjustment are not convenient, and although the mode can be adapted to the table tops with different thicknesses, the screw rod of the mode occupies a large space to influence the lower space of the table top, and the part tightly pushing the table top is only the screw rod part, the contact area with the table top is not large, and the fixation is relatively not firm enough. More importantly, for students with younger ages, the operation of clamping the common sitting posture correction device on a desk and adjusting the height of the chin rest to adapt to crowds with different heights and different requirements is complex and cannot be independently completed; meanwhile, although the common mode of tightly jacking the desk top can be adapted to the desk tops with different thicknesses, the common mode of tightly jacking the desk top can only be adapted to the desk with the edge of the desk top flush with the desk top, and the edge of some desk tops is higher than the desk top, so that the common sitting posture correcting device cannot be clamped on the desk in the mode, or the edge of the desk can be extruded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sitting posture corrector, which is simple to install and use, convenient and fast to adjust the height of a chin rest and reliable to fix.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a sitting posture corrector comprises a support frame and a chin rest, wherein the chin rest is detachably connected with the support frame, a lower support rod and a first clamp plate are arranged on the support frame, a second clamp plate capable of sliding along the lower support rod is arranged on the lower support rod, and the chin rest is fixed on the upper support rod; the connecting rod is used for connecting the upper supporting rod and the lower supporting rod, a plurality of first grooves which are arranged in parallel up and down are arranged on the upper supporting rod, and a prismatic protrusion is formed between every two adjacent first grooves; the connecting rod is hollow, the upper supporting rod can be inserted into the connecting rod and can slide on the connecting rod, an adjusting wrench is hinged to the connecting rod, a convex block matched with the first groove or the prismatic bulge in size is arranged on the side, close to the connecting rod, of the adjusting wrench, a through hole is formed in the connecting rod, and the convex block rotates along with the adjusting wrench to be screwed into or out of the through hole; when the convex block is screwed into the through hole along with the adjusting wrench, the convex block is matched with the first groove or the prismatic bulge so as to support the upper supporting rod.

Preferably, the adjusting wrench is arc-shaped and matched with the connecting rod in shape, a lock catch is arranged on the adjusting wrench, a buckle matched with the lock catch is arranged on the connecting rod, and the lock catch rotates along with the adjusting wrench to enable the lock catch to be buckled on the buckle.

Preferably, the first clamping plate and the second clamping plate are both provided with through second grooves, and the two second grooves are arranged oppositely up and down.

Preferably, the lower support rod is in the shape of a round rod, two first planes which are arranged in parallel are processed on the lower support rod, and a plurality of convex ribs which are arranged in parallel are arranged on two cambered surfaces of the lower support rod; the lower part of the connecting rod is provided with two second planes which are arranged in parallel, the second planes are provided with a plurality of supporting holes matched with the convex edges, the lower supporting rod can be inserted into the lower part of the connecting rod, and when the connecting rod rotates around the lower supporting rod to the convex edges to be inserted into the supporting holes, the lower supporting rod supports the connecting rod.

Preferably, the connecting device also comprises a connecting sleeve, wherein threads are machined in the connecting sleeve, and the connecting sleeve is in threaded connection with the connecting rod.

Preferably, a third groove matched with the prismatic protrusion in size is arranged on the bump.

Further preferably, the first clamping plate and the second clamping plate are both provided with anti-slip pads.

In the technical scheme, the plurality of first grooves which are arranged in parallel up and down are arranged on the upper supporting rod, and the adjusting wrench is hinged on the connecting rod, so that when the adjusting wrench is pulled, the convex block can be screwed in or out of the through hole along with the rotation of the adjusting wrench; when the lug is screwed into the through hole along with the adjusting wrench, the lug is matched with the first groove or the prismatic bulge so as to support the upper supporting rod, and the upper supporting rod and the chin rest are fixed in position; when the convex block is screwed out of the through hole along with the adjusting wrench, the convex block is separated from the first groove or the prismatic protrusion, and the upper supporting rod can slide on the connecting rod, so that the quick adjustment of the upper supporting rod and the chin rest is realized. The hasp on the adjustment spanner is along with the rotatory lock of adjustment spanner on the buckle, strengthens the fixed reliability of bracing piece, avoids the mistake to bump the adjustment spanner and causes the bracing piece to slide. The lower support rod can be inserted into the lower part of the connecting rod by arranging the convex edges on the two cambered surfaces of the lower support rod and arranging the two second planes which are arranged in parallel on the lower part of the connecting rod, and the plurality of support holes matched with the convex edges are arranged on the second planes, so that the connecting rod is supported by the lower support rod when the connecting rod rotates around the lower support rod until the convex edges are inserted into the support holes, and the connecting rod is connected with and fixed with the lower support rod; meanwhile, the connecting rod limits the second clamping plate, the contact area between the first clamping plate and the desktop and the contact area between the second clamping plate and the desktop are large, so that the desktops with different thicknesses can be conveniently and stably clamped between the first clamping plate and the second clamping plate, and the fixing reliability of the first clamping plate and the desktop and the fixing reliability of the second clamping plate and the desktop are further improved through the non-slip mat; the through second grooves are formed in the first clamping plate and the second clamping plate, so that the condition that the edge of the desk is higher than the edge of the desktop is adapted, the edge higher than the desktop can be accommodated in the second groove, and the sitting posture corrector is prevented from being unstably fixed with the desktop and extruding the edge of the desk.

Drawings

FIG. 1 is an exploded view of the present seating posture corrector;

FIG. 2 is an exploded view of the sitting posture corrector from another perspective;

fig. 3 is a schematic view of the sitting posture corrector in use.

Detailed Description

The utility model will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 3, the sitting posture corrector includes a support frame 10, an arc-shaped chin rest 20 and a connecting rod 30, wherein the chin rest 20 is detachably connected to the support frame 10 so as to block the head and chest of a user, a lower support bar 11 and a first clamp 12 are provided on the support frame 10, a second clamp 13 capable of sliding along the lower support bar 11 is provided on the lower support bar 11, and the chin rest 20 is fixed on an upper support bar 21; the connecting rod 30 is used to connect the upper support rod 21 and the lower support rod 11. In this embodiment, a plurality of first grooves 22 are arranged in parallel up and down on the upper support bar 21, and a prismatic protrusion 23 is formed between two adjacent first grooves 22; the connecting rod 30 is hollow structure to go up the bracing piece 21 and insert inside the connecting rod 30 and slide on the connecting rod 30, realize chin rest 20's height control, adapt to the crowd of different heights, different demands. An adjusting wrench 40 is hinged on the connecting rod 30, a convex block 41 matched with the first groove 22 or the prismatic bulge 23 in size is arranged on the adjusting wrench 40 close to the connecting rod 30, and a through hole 31 is arranged on the connecting rod 30. When the protrusion 41 is screwed into the through hole 31 along with the adjustment wrench 40, the protrusion 41 is engaged with the first groove 22 or the rib-shaped protrusion 23 to support the upper support rod 21, so as to fix the position of the upper support rod 21 and the chin rest 20. When the protrusion 41 is screwed out of the through hole 31 along with the adjustment wrench 40, the protrusion 41 is separated from the first groove 22 or the prismatic protrusion 23, and the upper support rod 21 can slide on the connecting rod 30, so that the upper support rod 21 and the chin rest 20 can be quickly adjusted. In this embodiment, a third recess 42 is provided in the projection 41, which recess is dimensioned to fit the prismatic projection 23.

In a preferred embodiment, in order to enhance the fixing reliability of the upper supporting rod 21 and prevent the upper supporting rod 21 from sliding due to the mistaken touch of the adjusting wrench 40, the adjusting wrench 40 is arc-shaped and is matched with the connecting rod 30 in shape, a latch 43 with an arc-shaped cross section is arranged on the adjusting wrench 40, and a buckle 44 matched with the latch 43 is arranged on the connecting rod 30, so that the latch 44 can also rotate along with the adjusting wrench 40 to enable the latch 43 to be buckled on the buckle 44, and the supporting rod 21 is fixed more reliably.

In a preferred embodiment, the lower support rod 11 is a round rod, two first planes 14 arranged in parallel are processed on the lower support rod 11, and a plurality of convex ribs 15 arranged in parallel are arranged on two cambered surfaces of the lower support rod 11; two second planes 32 which are arranged in parallel are arranged at the lower part of the connecting rod 30, and a plurality of supporting holes 33 which are matched with the convex edges 15 are arranged on the second planes 32, so that when the first plane 14 of the lower supporting rod 11 is parallel to the second planes 32 of the connecting rod 30, the lower supporting rod 11 can be quickly inserted into the lower part of the connecting rod 30, the connecting rod 30 is rotated, and when the connecting rod 30 rotates around the lower supporting rod 11 until the convex edges 15 are inserted into the supporting holes 33, the connecting rod 30 is supported by the lower supporting rod 11, thereby realizing the connection and fixation of the connecting rod 30 and the lower supporting rod 11; meanwhile, the connecting rod 30 naturally limits the second clamping plate 13, the contact area of the first clamping plate 12 and the second clamping plate 13 with the table top is increased compared with the traditional screw rod fixing contact area, so that the table tops with different thicknesses can be conveniently and stably clamped between the first clamping plate 12 and the second clamping plate 13, and the space of the lower portion of the table top is small. The anti-slip pads 120 arranged on the first clamping plate 12 and the second clamping plate 13 further improve the reliability of fixing the first clamping plate 12 and the second clamping plate 13 with the table top. In a preferred embodiment, a second groove 16 is formed in each of the first clamping plate 12 and the second clamping plate 13, and the second grooves 16 are arranged opposite to each other in the vertical direction to accommodate the situation that the edge of the desk is higher than the desktop, so that the edge higher than the desktop can be accommodated in the second groove 16, and the sitting posture corrector is prevented from being unstably fixed to the desktop and being squeezed against the edge of the desk.

In another preferred embodiment, the sitting posture corrector further comprises a connecting sleeve 50, threads are machined in the connecting sleeve 50, the connecting sleeve 50 is in threaded connection with the connecting rod 30, the second clamping plate 13 is naturally limited through the connecting sleeve 50, the contact area with the connecting rod 30 is increased, meanwhile, the matching surfaces of the supporting holes 33 and the convex ribs 15 can be shielded, so that the sitting posture corrector is attractive in appearance, and the matching operation of the supporting holes 33 and the convex ribs 15 is not influenced.

In the above technical solution, the connecting sleeve 50 is fixed on the connecting rod 30 through threaded connection, the connecting sleeve 50 slightly rotates around the lower support rod 11, the connecting rod 30 rotates together with the support hole 33, and when the first plane 14 is parallel to the second plane 32 of the connecting rod 30, the connecting sleeve 50 slides on the lower support rod 11 together with the connecting rod 30 and the support hole 33, so as to quickly change the distance between the first clamping plate 12 and the second clamping plate 13, and adapt to tabletops of different thicknesses; the edge parts of the table top are clamped by the first clamping plate 12 and the second clamping plate 13, and the connecting sleeve 50 naturally limits the second clamping plate 13, so that the table tops with different thicknesses can be conveniently and stably clamped between the first clamping plate 12 and the second clamping plate 13, and the space of the lower part of the table top is small. The adjusting wrench 40 is wrenched, the through hole 31 is screwed out by the convex block 41 along with the adjusting wrench 40, the convex block 41 is separated from the prismatic protrusion 23, the upper support rod 21 can slide on the connecting rod 30, and the quick adjustment of the upper support rod 21 and the chin rest 20 is realized; the adjusting wrench 40 is pulled again, the protruding block 41 is screwed into the through hole 31 along with the adjusting wrench 40, the protruding block 41 is matched with the prismatic protrusion 23 so as to support the upper supporting rod 21, the upper supporting rod 21 and the chin rest 20 are fixed in position, and the adjusting wrench is simple to install and use and convenient to adjust.

The embodiment is only for explaining the conception and the implementation of the utility model, and does not limit the same, and the technical solution without substantial change is still in the protection scope under the conception of the utility model.

Claims

1. A sitting posture corrector comprises a support frame and a chin rest, wherein the chin rest is detachably connected with the support frame, a lower support rod and a first clamp plate are arranged on the support frame, a second clamp plate capable of sliding along the lower support rod is arranged on the lower support rod, and the chin rest is fixed on the upper support rod; the device is characterized by further comprising a connecting rod, wherein the connecting rod is used for connecting an upper supporting rod and a lower supporting rod, a plurality of first grooves which are arranged in parallel up and down are arranged on the upper supporting rod, and a prismatic protrusion is formed between every two adjacent first grooves; the connecting rod is hollow, the upper supporting rod can be inserted into the connecting rod and can slide on the connecting rod, an adjusting wrench is hinged to the connecting rod, a convex block matched with the first groove or the prismatic bulge in size is arranged on the side, close to the connecting rod, of the adjusting wrench, a through hole is formed in the connecting rod, and the convex block rotates along with the adjusting wrench to be screwed into or out of the through hole; when the convex block is screwed into the through hole along with the adjusting wrench, the convex block is matched with the first groove or the prismatic bulge so as to support the upper supporting rod.

2. The sitting posture corrector of claim 1, wherein the adjustment wrench has a circular arc shape fitted to the connecting rod, the adjustment wrench is provided with a catch, the connecting rod is provided with a catch fitted to the catch, and the catch rotates with the adjustment wrench to catch the catch on the catch.

3. A sitting posture corrector as claimed in claim 1 or 2, wherein the first and second clamping plates are provided with second through grooves respectively, the second through grooves being disposed oppositely to each other.

4. A sitting posture corrector as claimed in claim 1 or 2, wherein the lower support rod is in the shape of a round rod, two first planes arranged in parallel are processed on the lower support rod, and a plurality of convex ribs arranged in parallel are arranged on both arc surfaces of the lower support rod; the lower part of the connecting rod is provided with two second planes which are arranged in parallel, the second planes are provided with a plurality of supporting holes matched with the convex edges, the lower supporting rod can be inserted into the lower part of the connecting rod, and when the connecting rod rotates around the lower supporting rod to the convex edges to be inserted into the supporting holes, the lower supporting rod supports the connecting rod.

5. The sitting posture corrector of claim 4, further comprising a connecting sleeve having threads formed therein, the connecting sleeve being threadedly connected to the connecting rod.

6. A sitting posture orthosis according to claim 1 or 2, wherein a third recess is provided in the projection dimensioned to fit the prismatic projection.

7. The sitting posture corrector of claim 1 or 2, wherein non-slip pads are provided on both the first and second clamping plates.