Sitting posture correcting seat

Abstract

The utility model relates to the technical field of correction seats, in particular to a sitting posture correction seat which comprises a seat body, a backrest is installed on one side of the seat body, a side opening is formed in the bottom end of the backrest, and first rotating arms are rotationally installed at the top ends of the inner walls of the two sides of the side opening. Extending shafts are fixed to the adjacent side walls of the bottom ends of the two first rotating arms, angle plates and second rotating arms are rotationally installed on the two extending shafts, waist supports are fixed to one sides of the two angle plates, elastic connecting pieces are fixed between the top ends of the waist supports and the first rotating arms, sliding sleeves are hinged to the ends, away from the extending shafts, of the second rotating arms, and the sliding sleeves are hinged to the ends, away from the extending shafts, of the second rotating arms. According to the sitting posture correcting device, the waist support can be attached to the waist of a user in a self-adaptive mode, inclined upward lifting force is generated on the waist of the user, and the sitting posture is more comfortable to sit after the sitting posture is corrected through the sitting posture correcting device.

Description

Technical Field

[0001] The utility model relates to the technical field of correction seats, in particular to a sitting posture correction seat. Background Art

[0002] Students will listen to lectures in different sitting postures during class, and a bad sitting posture can easily cause hunchback or damage to the spine. It is best to correct the sitting posture from an early age so that students can develop good habits and have a good sitting posture. Therefore, a sitting posture correction chair for students has been developed.

[0003] The utility model with Chinese patent announcement number CN219270433U discloses a new type of sitting posture correction chair. Through the rubber block, the waist of the student can be supported. The height of the sliding block can be adjusted to adjust the height of the moving block, so that the waist of students of different heights can be supported upward. The moving block slides on one side of the sliding block, and then drives the rubber block to move, so that the rubber block fits the waist of the student, thereby solving the problem that the existing student sitting posture correction chair only has a waist correction device and a neck correction device. Since the degree of development of each student is different, there will be a height difference, and the existing student sitting posture correction chair cannot perform sitting posture correction for students of different heights. The device adjusts the height of the rubber block during use to achieve the correction of the waist. After the height adjustment of the rubber block is completed, the user is relatively stiff when leaning on the rubber block. The rubber block can only perform adaptive adjustment in the horizontal direction, and cannot be fully adaptively fitted to the waist in height. The user has a poor experience after the sitting posture correction, which affects the long-term use effect of the user. Utility Model Content

[0004] The purpose of the utility model is to provide a sitting posture correction chair to solve the problems raised in the above background technology.

[0005] The technical solution of the utility model is: a sitting posture correction chair, comprising a seat body, a backrest is installed on one side of the seat body, and the bottom of the backrest is provided with a side opening, and the first swing arm is rotatably installed at the top of the inner wall of both sides of the side opening, and the two first swing arms are rotatably installed, and the two first swing arms are fixed on the adjacent side walls at the bottom ends of the two extension shafts, and the two extension shafts are rotatably installed with angle plates and second swing arms, and a lumbar support is fixed on one side of the two angle plates, an elastic connecting piece is fixed between the top of the lumbar support and the first swing arm, and the second swing arm is hinged with a sliding sleeve at one end away from the extension shaft. A vertical positioning adjustment component is fixed on the inner wall of the bottom of the side opening, and the vertical positioning adjustment component includes a guide column fixed on the inner wall of the bottom of the side opening, the guide column is slidably inserted in the sliding sleeve, and the top of the guide column is provided with an external thread, and the top of the guide column is connected with a rotating sleeve through the external thread, and a tightening spring located between the rotating sleeve and the sliding sleeve is sleeved on the guide column.

[0006] The effect achieved by the above-mentioned components is: by rotating the rotary sleeve to adjust its height position on the guide column, the initial height of the sliding sleeve can be adjusted in cooperation with the clamping spring. When the user sits on the seat body, he leans on the backrest and contacts the lumbar support, and the lumbar support flips downward along the top of the first rotary arm under the squeezing action of the user's waist. In cooperation with the clamping action of the sliding sleeve at the top of the second rotary arm and the clamping spring, the lumbar support can adaptively fit the user's waist, generating an oblique upward lifting force for the user's waist. In addition, the elastic connecting piece can facilitate the lumbar support to adaptively flip along the extension axis and further fit the user's waist, making the device more comfortable to sit on after the sitting posture is corrected.

[0007] Preferably, the elastic connecting member includes a first pin fixed on the waist support and a second pin fixed on the first swing arm, and a connecting spring is fixed between the first pin and the second pin.

[0008] The effect achieved by the above components is: the waist support can be elastically connected to the first swing arm in cooperation with the first pin and the second pin through the connecting spring, and the connecting spring can be used to provide auxiliary support for the user's waist.

[0009] Preferably, an extension piece is fixed to the back side of the seat body, and a connector inserted into the extension piece is fixed to the bottom end of the backrest.

[0010] The effect achieved by the above components is that the backrest can be easily fixed and assembled on the connector through the extension piece, which is convenient for subsequent disassembly and assembly.

[0011] Preferably, the seat body comprises a seat plate, and a lifting seat which can be raised and lowered and adjusted is fixed to the bottom of the seat plate.

[0012] The effect achieved by the above components is that the height of the seat plate can be adjusted through the lifting seat.

[0013] Preferably, reversible armrests are fixed on both sides of the seat plate.

[0014] The utility model provides a posture correction chair through improvement, which has the following improvements and advantages compared with the prior art:

[0015] The utility model adjusts the height position of the rotary sleeve on the guide column by rotating the rotary sleeve, and cooperates with the clamping spring to adjust the initial height of the sliding sleeve. When the user sits on the seat body, he leans on the backrest and contacts the lumbar support, and the lumbar support flips downward along the top end of the first rotary arm under the squeezing action of the user's waist. The cooperation of the sliding sleeve at the top end of the second rotary arm and the clamping spring enables the lumbar support to adaptively fit the user's waist, generating an oblique upward lifting force for the user's waist. In addition, the elastic connecting piece can facilitate the lumbar support to adaptively flip along the extension axis to further fit the user's waist, making the device more comfortable to sit on after the sitting posture is corrected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model from a first viewing angle;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the waist support in the utility model;

[0020] Figure 4 It is a schematic diagram of the installation side structure of the waist support in the utility model.

[0021] Description of reference numerals:

[0022] 1. Seat body; 2. Backrest; 3. Lumbar support; 4. Side port; 5. Connector; 6. Extension piece; 7. Angle plate; 8. First swing arm; 9. Extension shaft; 10. Second swing arm; 11. Sliding sleeve; 12. Elastic connector; 121. First pin; 122. Connecting spring; 123. Second pin; 13. Vertical positioning adjustment assembly; 131. Guide column; 132. External thread; 133. Rotary sleeve; 134. Clamping spring. DETAILED DESCRIPTION

[0023] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides a posture correction chair through improvement. The technical solution of the utility model is:

[0025] In the embodiments of the present invention, Figure 1-Figure 4 As shown, a posture correction chair comprises a seat body 1, a backrest 2 is installed on one side of the seat body 1, a side opening 4 is opened at the bottom end of the backrest 2, first swing arms 8 are rotatably installed at the top ends of the inner walls of both sides of the side opening 4, extension shafts 9 are fixed on the adjacent side walls at the bottom ends of the two first swing arms 8, angle plates 7 and second swing arms 10 are rotatably installed on the two extension shafts 9, a lumbar support 3 is fixed on one side of the two angle plates 7, an elastic connecting piece 12 is fixed between the top end of the lumbar support 3 and the first swing arm 8, a sliding sleeve 11 is hinged at one end of the second swing arm 10 away from the extension shaft 9, a vertical positioning adjustment component 13 slidably inserted in the sliding sleeve 11 is fixed on the bottom inner wall of the side opening 4, the vertical positioning adjustment component 13 comprises a guide column 131 fixed on the bottom inner wall of the side opening 4, the guide column 131 is slidably inserted in the sliding sleeve 11, the top end of the guide column 131 is provided with an external thread 132, and the top end of the guide column 131 is passed through A rotary sleeve 133 is connected through the external thread 132, and a clamping spring 134 is provided on the guide column 131 and is located between the rotary sleeve 133 and the sliding sleeve 11. The height position of the rotary sleeve 133 on the guide column 131 is adjusted by rotating the rotary sleeve 133, and the initial height of the sliding sleeve 11 can be adjusted in cooperation with the clamping spring 134. When the user sits on the seat body 1, he leans on the backrest 2 and contacts the lumbar support 3, wherein the lumbar support 3 is flipped downward along the top of the first rotary arm 8 under the squeezing action of the user's waist, wherein the clamping action of the sliding sleeve 11 at the top of the second rotary arm 10 and the clamping spring 134 enables the lumbar support 3 to adaptively fit the user's waist, generating an oblique upward lifting force for the user's waist, and in addition, the elastic connecting piece 12 can facilitate the lumbar support 3 to adaptively flip along the extension axis 9, further fitting the user's waist, making the device more comfortable to sit on after the sitting posture is corrected.

[0026] In an embodiment of the utility model, the elastic connecting member 12 includes a first pin 121 fixed on the lumbar support 3 and a second pin 123 fixed on the first swing arm 8, and a connecting spring 122 is fixed between the first pin 121 and the second pin 123. The connecting spring 122 can cooperate with the first pin 121 and the second pin 123 to elastically connect the lumbar support 3 to the first swing arm 8, and cooperate with the connecting spring 122 to achieve an auxiliary supporting effect on the user's waist.

[0027] In an embodiment of the utility model, an extension piece 6 is fixed to the back side of the seat body 1, and a connector 5 inserted into the extension piece 6 is fixed to the bottom end of the backrest 2. The extension piece 6 can facilitate the backrest 2 to be fixedly assembled on the connector 5, which is convenient for subsequent disassembly and assembly. The seat body 1 includes a seat plate, and a lifting seat that can be adjusted by lifting the seat is fixed to the bottom of the seat plate. The height of the seat plate can be adjusted by the lifting seat, and flip armrests are fixed on both sides of the seat plate.

[0028] The working principle of a sitting posture correction chair provided by the utility model is as follows: by rotating the rotating sleeve 133 to adjust its height position on the guide column 131, the initial height of the sliding sleeve 11 can be adjusted in cooperation with the tightening spring 134. When the user sits on the chair body 1, he leans on the backrest 2 and contacts the lumbar support 3, wherein the lumbar support 3 flips downward along the top of the first rotary arm 8 under the squeezing action of the user's waist, wherein the tightening action of the sliding sleeve 11 at the top of the second rotary arm 10 and the tightening spring 134 enables the lumbar support 3 to adaptively fit the user's waist, generating an oblique upward lifting force for the user's waist, and the connecting spring 122 can cooperate with the first pin 121 and the second pin 123 to elastically connect the lumbar support 3 with the first rotary arm 8, and cooperate with the connecting spring 122 to start an auxiliary support working effect for the user's waist, further fitting the user's waist, making the device more comfortable to sit on after the sitting posture is corrected.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A posture correction chair, comprising a chair body (1), a backrest (2) being mounted on one side of the chair body (1), characterized in that: The backrest (2) is provided with a side opening (4) at the bottom end, and first rotary arms (8) are rotatably mounted at the top ends of the inner walls on both sides of the side opening (4). An extension shaft (9) is fixed on the adjacent side walls at the bottom ends of the two first rotary arms (8). An angle plate (7) and a second rotary arm (10) are rotatably mounted on the two extension shafts (9). A lumbar support (3) is fixed on one side of the two angle plates (7). An elastic connecting piece (12) is fixed between the top end of the lumbar support (3) and the first rotary arm (8). A sliding sleeve (11) is hinged at one end of the second rotary arm (10) away from the extension shaft (9). The bottom of the side opening (4) is provided with a lumbar support (3). A vertical positioning adjustment component (13) is fixed on the inner wall and is slidably inserted into the sliding sleeve (11). The vertical positioning adjustment component (13) includes a guide column (131) fixed on the inner wall at the bottom of the side opening (4). The guide column (131) is slidably inserted into the sliding sleeve (11). An external thread (132) is provided at the top of the guide column (131). A rotary sleeve (133) is connected to the top of the guide column (131) via the external thread (132). A tightening spring (134) is sleeved on the guide column (131) and is located between the rotary sleeve (133) and the sliding sleeve (11).

2. A sitting posture correction chair according to claim 1, characterized in that: The elastic connecting member (12) comprises a first pin (121) fixed on the waist support (3) and a second pin (123) fixed on the first swing arm (8), and a connecting spring (122) is fixed between the first pin (121) and the second pin (123).

3. The sitting posture correction chair according to claim 1, characterized in that: An extension piece (6) is fixed to the back side of the seat body (1), and a connector (5) inserted into the extension piece (6) is fixed to the bottom end of the backrest (2).

4. The sitting posture correction chair according to claim 1, characterized in that: The seat body (1) comprises a seat plate, and a lifting seat which can be raised and lowered and adjusted is fixed at the bottom of the seat plate.

5. The sitting posture correction chair according to claim 4, characterized in that: Flippable armrests are fixed on both sides of the seat plate.

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