CN215225635U - Eye-protecting posture-correcting seat with adjustable seat back - Google Patents
Eye-protecting posture-correcting seat with adjustable seat back Download PDFInfo
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- CN215225635U CN215225635U CN202120897085.3U CN202120897085U CN215225635U CN 215225635 U CN215225635 U CN 215225635U CN 202120897085 U CN202120897085 U CN 202120897085U CN 215225635 U CN215225635 U CN 215225635U
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Abstract
The utility model discloses an eye-protecting posture-correcting chair capable of adjusting a chair back, which comprises chair legs, a chair surface and a chair back, wherein the chair legs are fixedly connected with the lower part of the chair surface, and the chair back is movably connected with the upper part of the chair surface and can move up and down relative to the chair surface; a shoulder pressing part is arranged at one end of the chair back far away from the chair surface and is used for contacting the upper part of the shoulder; wherein, the left side or the right side of the chair back is provided with a handle for adjusting the height of the chair back, and one side of the chair back opposite to the handle is provided with a handle for adjusting the included angle between the shoulder and the chair surface. The utility model discloses can realize being applicable to the user of different sizes and keep correcting the purpose of user's eyesight, but wide application in seat technical field.
Description
Technical Field
The utility model relates to the field of seats, in particular to a posture correcting seat with an adjustable back.
Background
The functions that can be generally realized for the student's seat in the prior art are the altitude mixture control and the regulation of inclination of seat, but can not realize the position of sitting and the eye correction function to the student in the study, and can not carry out the altitude mixture control of the back of the chair to the student of different heights, and this has certain drawback to the student of class especially is in the student of position of sitting for a long time. In addition, in the specific use process of the chair in the prior art, the improper sitting posture of students cannot be adjusted, and many students can independently draw close to the distance between the chair and school supplies in the learning process, so that the eyesight of the students is deteriorated, and the mental burden is brought to parents.
Therefore, a seat capable of solving the above problems has yet to be proposed.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a back of the chair height-adjustable just can carry out the seat of inclination's maintenance to the back.
The utility model provides a technical scheme does:
an eye-protecting posture-correcting seat capable of adjusting a seat back comprises seat legs, a seat surface and a seat back, wherein the seat legs are fixedly connected to the lower portion of the seat surface, and the seat back is movably connected to the upper portion of the seat surface and can move up and down relative to the seat surface; a shoulder pressing part is arranged at one end of the chair back far away from the chair surface and is used for contacting the upper part of the shoulder; the chair comprises a chair back and a chair seat, wherein the left side or the right side of the chair back is provided with a handle for adjusting the height of the chair back, and one side of the chair back, which is opposite to the handle, is provided with a handle for adjusting an included angle between a pressing shoulder and the chair seat.
Furthermore, a slide way with a clamping groove is arranged on the chair surface, a clamping piece with a clamping strip is arranged on the chair back, and the clamping piece is connected with the handle through an elastic piece;
the handle is fixedly connected with a rotating assembly, and the rotating assembly synchronously rotates under the rotation of the handle so as to drive the shoulder pressing part to rotate;
the rotating assembly is connected with the clamping piece through a transition piece.
Furthermore, the clamping piece comprises a supporting beam movably sleeved on the slideway, and the clamping strip is movably embedded on the supporting beam; one end of the elastic piece is connected with the non-clamping end of the clamping strip, and the elastic piece is driven to be stretched when the handle is pressed, so that the clamping strip is driven to be separated from the clamping groove;
one end of the transition piece is fixedly connected with the support beam, and the other end of the transition piece is provided with a through hole for the rotating assembly to movably pass through;
the rotating assembly comprises two rotating shafts, chain wheels positioned on the rotating shafts and chains connected with the two chain wheels, and the two rotating shafts are respectively positioned at the upper end and the lower end of the supporting beam; the pressing shoulder is connected with the rotating shaft through a connecting piece.
Furthermore, the clamping groove is of a U-shaped groove structure continuously arranged on the slide way, and the clamping strip is of a strip-shaped plate structure;
the two slide ways are fixedly connected to the left side and the right side of the chair surface; the support beam is of a U-shaped section steel structure, and the chair back covers the outside of the support beam; a horizontal beam for connecting the two is arranged between the slideways;
two ends of the rotating shaft movably penetrate out of the back of the chair and are fixedly connected with the handle, the rotating shaft is provided with external threads, and the chain wheel is provided with internal threads matched with the external threads; the press shoulder parts are respectively close to the two ends of the rotating shaft.
Furthermore, the supporting beam is movably clamped on the part, provided with the clamping groove, of the sliding way, a window used for exposing the clamping groove is arranged on the supporting beam, and the clamping strip is positioned in the window; the horizontal beams are fixedly connected to the upper, middle and lower positions of the supporting beam at intervals;
the transition piece is of a plate-shaped structure and is vertically and fixedly connected to the support beam; the two ends of the chain are connected through a spring;
the connecting piece is of an L-shaped structure, the pressing shoulder comprises two arc-shaped plates, the arc-shaped plates are fixedly connected through end parts, and one end of one arc-shaped plate is fixedly connected with the connecting piece; the connecting piece is fixedly connected with the rotating shaft through one end of the connecting piece; the upper end of the chair back is provided with a strip-shaped hole for the transverse movement of the shoulder.
Further, the support beam is fixedly connected to the rear side of the seat through one end of the support beam; a limiting piece is arranged on the rotating shaft and is arranged close to the chain wheel; the transition pieces are symmetrically arranged at the left end and the right end of the supporting beam.
Further, the limiting piece adopts a nut structure with internal threads.
Compared with the prior art, the utility model the advantage lie in:
the adjustable chair back and the handle connected with the adjustable chair back are additionally arranged, so that the function of adjusting the height of the chair back according to users with different heights is realized, and the practicability and the functionality are strong;
through addding the handle that can adjust turned angle and pressing the shoulder, realized carrying out the function that the upper part of the body maintained to the user that is in the position of sitting, played and corrected eyesight and prevented that the user from leaning forward too much effect, had certain benefit to user's physical development.
Drawings
FIG. 1 is a first internal structure diagram of the embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a second internal structure diagram of the embodiment of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is a third internal structure diagram of the embodiment of the present invention;
FIG. 6 is an enlarged view of section C of FIG. 5;
fig. 7 is a fourth internal structure diagram of the embodiment of the present invention;
fig. 8 is an external structural view of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-8.
An eye-protecting posture-correcting seat capable of adjusting a seat back comprises seat legs 1, a seat surface 2 and a seat back 3, wherein the seat legs 1 are fixedly connected to the lower part of the seat surface 2, and the seat back 3 is movably connected to the upper part of the seat surface 2 and can move up and down relative to the seat surface 2; a pressing shoulder part 4 is arranged at one end of the chair back 3 far away from the chair surface 2 and is used for contacting the upper part of the shoulder part; wherein, the left side or the right side of the chair back 3 is provided with a handle 5 for adjusting the height of the chair back, and one side of the chair back 3 opposite to the handle 5 is provided with a handle 6 for adjusting the included angle between the shoulder 4 and the chair surface 2.
Through the utility model provides a device, the function that can realize includes:
for users with different heights, when the back needs to be adjusted for comfort, the handle 5 is held and the chair back 3 is driven to move up and down, and after the chair back 3 moves to a proper position, the handle 5 is loosened, so that the chair back 3 is maintained at a fixed position and keeps a static state, and comfort experience is provided for the users;
in the process of hearing learning under the condition of sitting posture, the handle 6 is rotated to drive the pressing shoulder 4 to rotate, and after the pressing shoulder 4 rotates to be suitable for the body shape of a user, the back of the user is maintained at an inclined angle, so that the effects of correcting eyesight and preventing eyesight decline are achieved; moreover, for users with different shoulder widths, the position of the press shoulder 4 relative to the seat surface 2 can be adjusted by holding the handle 6, so that the comfort in use is improved.
A slide way 8 with a clamping groove 7 is arranged on the chair surface 2, a clamping piece 10 with a clamping strip 9 is arranged on the chair back 3, and the clamping piece 10 is connected with the handle 5 through an elastic piece 11;
the handle 6 is fixedly connected with a rotating component, and the rotating component synchronously rotates under the rotation of the handle 6 so as to drive the pressing shoulder 4 to rotate;
the rotating component is connected with the clamping piece 10 through a transition piece 12.
The clamping strip 9 is used for realizing the purpose of maintaining the fixed position of the chair back 3 by clamping the handle 5 with the clamping groove 7 after the handle is loosened; when the chair back 3 moves, the handle 5 is held and the elastic piece 11 is utilized to drive the clamping strip 9 to separate from the clamping groove 7, so that the relative movement between the clamping piece 11 and the slide rail 8 is realized.
The clamping piece 10 comprises a supporting beam movably sleeved on the slideway 8, and the clamping strip 9 is movably embedded on the supporting beam; one end of the elastic piece 11 is connected with the non-clamping end of the clamping strip 9, and the elastic piece 11 is driven to be stretched when the handle 5 is pressed, so that the clamping strip 9 is driven to be separated from the clamping groove 7;
one end of the transition piece 12 is fixedly connected with the supporting beam, and the other end is provided with a through hole for the rotating assembly to movably pass through;
the rotating assembly comprises two rotating shafts 13, chain wheels 14 positioned on the rotating shafts 13 and chains 15 connected with the two chain wheels 14, and the two rotating shafts 13 are respectively positioned at the upper end and the lower end of the supporting beam; the pressing shoulder 4 is connected to the spindle 13 via a connecting piece 16.
During the process of clamping the clamping strip 9 into the clamping groove 7, a part of the clamping strip is positioned outside the supporting beam; since the shoulder 4 can be driven to rotate synchronously after the shoulder of the chair back 3 relative to the chair seat 2 is changed, a transition piece 12 is used to connect with the supporting beam. When the rotation angle of the shoulder 4 is required to be adjusted so as to be suitable for the shoulder specification of a user, the adjustment can be realized by utilizing the handle 6, and the specific action principle is as follows:
one end of the press shoulder part 4 is connected with the rotating shaft 13 through the connecting piece 16, the handle 6 drives one of the rotating shafts 13 to rotate, the rotating shaft 13 drives the other rotating shaft 13 connected through the chain 15 and the chain wheel 14 to rotate, and the rotating shaft 13 drives the press shoulder part 4 connected through the connecting piece 16 to rotate, so that the press shoulder part 4 rotates to a proper position, and the aim of maintaining the inclination angle of the shoulder part to a certain degree is fulfilled.
The clamping groove 7 is of a U-shaped groove structure continuously arranged on the slideway 8, and the clamping strip 9 is of a strip-shaped plate structure;
two slide ways 8 are arranged and fixedly connected to the left side and the right side of the chair surface 2; the supporting beam is of a U-shaped section steel structure, and the chair back 3 is covered outside the supporting beam;
two ends of the rotating shaft 13 are movably fixed with the handle 6 after penetrating out of the chair back 3, the rotating shaft 13 is provided with external threads, and the chain wheel 14 is provided with internal threads matched with the external threads; the shoulders 4 are respectively close to the two ends of the rotating shaft 13.
The slide way 8 is used for realizing the purpose of mutually clamping with the clamping strip 9 on the chair back 3.
The supporting beam is movably clamped on the part, provided with the clamping groove 7, of the sliding way 8, a window 18 used for exposing the clamping groove 7 is arranged on the supporting beam, and the clamping strip 9 is positioned in the window 18;
the transition piece 12 is of a plate-shaped structure and is vertically and fixedly connected to the support beam; the two ends of the chain 15 are connected by a spring 19;
the connecting piece 16 is of an L-shaped structure, the pressing shoulder 4 comprises two arc-shaped plates which are fixedly connected through end parts, and one end of one arc-shaped plate is fixedly connected with the connecting piece 16; the connecting piece 16 is fixedly connected with the rotating shaft 13 through one end thereof; the upper end of the chair back 3 is provided with a strip-shaped hole for the transverse movement of the pressing shoulder 4.
The purpose of buffering can be achieved by additionally arranging a spring 19 at the two ends of the chain 15; on this basis, when using this device to carry out the inclination of back and maintain the in-process, press shoulder 4 and maintain the front side of upper part of the body through a curved plate that constitutes it, another curved plate is located the upper end of shoulder to play the corrective action to a certain extent to the student.
The supporting beam is fixedly connected with the rear side of the chair seat 2 through one end of the supporting beam; the rotating shaft 13 is provided with a limiting piece 20, and the limiting piece 20 is arranged close to the chain wheel 14; the transition pieces 12 are symmetrically arranged at the left and right ends of the support beam.
The limiting member 20 is a nut structure having an internal thread.
The stopper 20 functions to prevent the sprocket 14 from shifting to both sides during use, thereby affecting the feeling of use. In a particular arrangement position, it is disposed outside the sprocket 14.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. An eye-protecting posture-correcting seat with an adjustable seat back comprises seat legs, a seat surface and a seat back, wherein the seat legs are fixedly connected to the lower part of the seat surface; a shoulder pressing part is arranged at one end of the chair back far away from the chair surface and is used for contacting the upper part of the shoulder; the chair comprises a chair back and a chair seat, wherein the left side or the right side of the chair back is provided with a handle for adjusting the height of the chair back, and one side of the chair back, which is opposite to the handle, is provided with a handle for adjusting an included angle between a pressing shoulder and the chair seat.
2. The eye-protecting posture-correcting seat capable of adjusting the seat back according to claim 1, wherein a slide way with a clamping groove is arranged on the seat surface, a clamping piece with a clamping strip is arranged on the seat back, and the clamping piece is connected with the handle through an elastic piece;
the handle is fixedly connected with a rotating assembly, and the rotating assembly synchronously rotates under the rotation of the handle so as to drive the shoulder pressing part to rotate;
the rotating assembly is connected with the clamping piece through a transition piece.
3. The eye-protecting posture-correcting seat capable of adjusting the seat back according to claim 2, wherein the clamping piece comprises a supporting beam movably sleeved on the slide way, and the clamping strip is movably embedded on the supporting beam; one end of the elastic piece is connected with the non-clamping end of the clamping strip, and the elastic piece is driven to be stretched when the handle is pressed, so that the clamping strip is driven to be separated from the clamping groove;
one end of the transition piece is fixedly connected with the support beam, and the other end of the transition piece is provided with a through hole for the rotating assembly to movably pass through;
the rotating assembly comprises two rotating shafts, chain wheels positioned on the rotating shafts and chains connected with the two chain wheels, and the two rotating shafts are respectively positioned at the upper end and the lower end of the supporting beam; the pressing shoulder is connected with the rotating shaft through a connecting piece.
4. The eye-protecting posture-correcting seat capable of adjusting the seat back according to claim 3, wherein the clamping grooves are in a U-shaped groove structure continuously arranged on the slide way, and the clamping strips are in a strip-shaped plate structure;
the two slide ways are fixedly connected to the left side and the right side of the chair surface; the support beam is of a U-shaped section steel structure, and the chair back covers the outside of the support beam;
two ends of the rotating shaft movably penetrate out of the back of the chair and are fixedly connected with the handle, the rotating shaft is provided with external threads, and the chain wheel is provided with internal threads matched with the external threads; the press shoulder parts are respectively close to the two ends of the rotating shaft.
5. The eye-protecting posture-correcting seat capable of adjusting the seat back according to claim 4, wherein the supporting beam is movably clamped on a part of the slide way, which is provided with a clamping groove, a window for exposing the clamping groove is arranged on the supporting beam, and the clamping strip is positioned in the window;
the transition piece is of a plate-shaped structure and is vertically and fixedly connected to the support beam; the two ends of the chain are connected through a spring;
the connecting piece is of an L-shaped structure, the pressing shoulder comprises two arc-shaped plates, the arc-shaped plates are fixedly connected through end parts, and one end of one arc-shaped plate is fixedly connected with the connecting piece; the connecting piece is fixedly connected with the rotating shaft through one end of the connecting piece; the upper end of the chair back is provided with a strip-shaped hole for the transverse movement of the shoulder.
6. The eye-protecting posture-correcting chair capable of adjusting chair back according to claim 5, wherein the supporting beam is fixedly connected with the rear side of the chair surface through one end; a limiting piece is arranged on the rotating shaft and is arranged close to the chain wheel; the transition pieces are symmetrically arranged at the left end and the right end of the supporting beam.
7. The eye-protecting posture-correcting seat as claimed in claim 6, wherein the limiting member is a nut structure with internal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897085.3U CN215225635U (en) | 2021-04-28 | 2021-04-28 | Eye-protecting posture-correcting seat with adjustable seat back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120897085.3U CN215225635U (en) | 2021-04-28 | 2021-04-28 | Eye-protecting posture-correcting seat with adjustable seat back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215225635U true CN215225635U (en) | 2021-12-21 |
Family
ID=79511774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120897085.3U Active CN215225635U (en) | 2021-04-28 | 2021-04-28 | Eye-protecting posture-correcting seat with adjustable seat back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215225635U (en) |
-
2021
- 2021-04-28 CN CN202120897085.3U patent/CN215225635U/en active Active
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