Rotatable and foldable limiting part of sitting posture corrector

Abstract

The utility model discloses a sitting posture corrector limiting part capable of being rotatably folded, which comprises a connecting rod and a chest blocking piece, the chest blocking piece is arranged on the connecting rod, a rotating assembly is arranged between the connecting rod and the chest blocking piece, and the chest blocking piece can rotate in a human body sitting posture surface relative to the connecting rod; the rotating assembly comprises a fixing part and a rotating part which are in rotating fit, the fixing part is arranged on the connecting rod, the rotating part is arranged on the chest blocking part, and the chest blocking part and the rotating part rotate in the sitting posture face of the human body relative to the fixing part. The chest blocking piece can be rotated and folded relative to the connecting rod, the occupied space of the limiting part of the sitting posture corrector is reduced, and free movement of hands and feet of a user is not affected.

Description

Technical Field

[0001] The utility model relates to the field of learning stationery, in particular to a rotatable and foldable sitting posture corrector limiting part. Background Art

[0002] In the process of learning, modern students often bend over, bend their necks or lie on the table to read. Their writing posture does not conform to the standard habits. If things go on like this for a long time, it is easy to cause problems such as hunchback or myopia. Therefore, it is particularly important to ensure that students have a correct sitting posture during their learning process. Although there are related sitting posture correction devices on the market, most of them are composed of a table clamp, a connecting rod that can be extended in the length direction of the upper torso when sitting upright, and a chest stopper that forms a limit reminder or blockage in front of the user's chest. The chest stopper is fixed to the upper end of the connecting rod and is perpendicular to the length direction of the connecting rod in the sitting plane of the human body. The connecting rod and the table clamp are rotatably hinged. When the sitting posture corrector is not in use, the connecting rod can be rotated 180 degrees relative to the table clamp to store the connecting rod and the chest stopper under the table, or the connecting rod can be rotated 90 degrees relative to the table clamp to store the connecting rod at the edge of the table. However, since the chest stopper is always perpendicular to the length direction of the connecting rod and cannot be folded, it occupies a large space and hinders the free movement of the user's hands and feet. Utility Model Content

[0003] In order to overcome the deficiencies in the background technology, the utility model discloses a rotatable and foldable limiting portion of a sitting posture corrector.

[0004] The embodiment of the utility model provides a rotatable and foldable sitting posture corrector limit part, including a connecting rod and a chest stopper, wherein the chest stopper is arranged on the connecting rod, a rotating assembly is provided between the connecting rod and the chest stopper, and the chest stopper can rotate relative to the connecting rod within the sitting posture plane of the human body.

[0005] As a further solution of the utility model, the rotating assembly includes a rotating member and a fixed member that are rotatably matched. The fixed member is arranged on the connecting rod, and the rotating member is arranged on the chest stop. The chest stop together with the rotating member rotates relative to the fixed member within the sitting plane of the human body.

[0006] When the sitting posture needs to be corrected, the chest stopper can be rotated by the rotating assembly to the sitting plane of the human body and perpendicular to the length direction of the connecting rod to form a limit for the sitting posture of the human body; when the sitting posture does not need to be corrected, the chest stopper can be rotated by the rotating assembly to the sitting plane of the human body and parallel to the length direction of the connecting rod, thereby reducing the space occupied by the chest stopper and not affecting the free movement of the user's hands and feet.

[0007] As a further solution of the utility model, a transition fit is adopted between the contact surfaces of the fixed part and the rotating part, or a positioning part is arranged between the fixed part and the rotating part, which can not only realize the rotation of the limiting part within the sitting surface of the human body, but also enable the chest stopper to be clamped on the connecting rod.

[0008] The fixing member is provided with a rotating shaft, the rotating member is provided with an axial hole, the rotating shaft is slidably sleeved in the axial hole, and a tension spring is provided between the rotating shaft and the axial hole; the fixing member is provided with a positioning protrusion, and the rotating member is provided with a positioning groove that is clamped with the positioning protrusion.

[0009] As a further solution of the utility model, the fixed part is symmetrically provided with two positioning protrusions in the vertical direction or the horizontal direction on one side close to the rotating part, and the rotating part is symmetrically provided with four positioning grooves in the vertical direction and the horizontal direction on one side close to the fixed part. The positioning protrusion is composed of a sleeve and a ball, a part of the ball is rollably embedded in the sleeve, and the other part of the ball is exposed outside the opening of the sleeve and can be detachably placed in the positioning groove. The ball on the fixed part is clamped and matched with the positioning groove on the rotating part, so that the chest stopper can realize the clamping function.

[0010] When in use, you can gently pull the rotating part and rotate it, then the ball can slide out of the positioning groove, when it is rotated 90 degrees to the left or right, release the rotating part, the tension spring will reset the rotating part, this operation makes the ball leave the initial positioning groove and then lock with another adjacent positioning groove, so that the chest stopper can be rotated to the human body sitting surface and perpendicular to the length direction of the connecting rod to form a limit for the human body sitting posture, when not in use, continue to rotate 90 degrees to the left or right with the same operation, so that the chest stopper can be rotated to the human body sitting surface and parallel to the length direction of the connecting rod, thereby reducing the space occupied by the chest stopper and realizing the locking function at the same time.

[0011] As a further solution of the utility model, an annular limiting groove is provided on a side of the fixed part close to the rotating part, and the rotating part is rotatably placed in the annular limiting groove, so as to further improve the stability of the cooperation between the fixed part and the rotating part.

[0012] The beneficial effect of the utility model is that the chest stopper can be rotated and folded relative to the connecting rod, thereby reducing the occupied space of the limiting part of the sitting posture corrector and not affecting the free movement of the user's hands and feet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments and implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of another angle of a preferred embodiment of the utility model.

[0016] Figure 3 This is a schematic diagram of the structural separation of a preferred embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of another angle of a preferred embodiment of the utility model.

[0018] Figure 5 for Figure 1 Sectional view of AA.

[0019] Figure 6 This is a state reference diagram when the sitting posture corrector is used in the preferred embodiment of the utility model.

[0020] Figure 7 This is a reference diagram of the state when the sitting posture corrector is not used in the preferred embodiment of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Connecting rod; 2. Chest stopper; 3. Rotating assembly; 31. Fixed member; 32. Rotating member; 33. Tension spring; 311. Rotating shaft; 321. Shaft hole; 312. Positioning protrusion; 322. Positioning groove; 3121. Sleeve; 3122. Ball bearing; 313. Annular limiting groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] It should be noted that, in the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] Furthermore, the terms “first,” “second,” “third,” etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0026] At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1-Figure 7 As shown, the rotatable and foldable sitting posture corrector limiting part in the preferred embodiment of the utility model comprises a connecting rod 1 and a chest stopper 2, the chest stopper 2 is arranged on the connecting rod 1, and a rotating assembly 3 is arranged between the connecting rod 1 and the chest stopper 2, and the chest stopper 2 can rotate relative to the connecting rod 1 in the sitting posture plane of the human body; the rotating assembly 3 comprises a rotatably matched fixing member 31 and a rotating member 32, the fixing member 31 is arranged on the connecting rod 1, and the rotating member 32 is arranged on the chest stopper 2, and the chest stopper 2 together with the rotating member 32 rotates relative to the fixing member 31 in the sitting posture plane of the human body to realize that when the sitting posture needs to be corrected, the chest stopper 2 is rotated to the sitting posture plane of the human body and is perpendicular to the length direction of the connecting rod 1 through the rotating assembly 3 to form a limit for the sitting posture of the human body; and when the sitting posture does not need to be corrected, the chest stopper 2 can be rotated to the sitting posture plane of the human body and is parallel to the length direction of the connecting rod 1 through the rotating assembly 3, thereby reducing the space occupied by the chest stopper 2 and not affecting the free movement of the user's hands and feet.

[0028] In the preferred embodiment of the present application, it can be understood that the sitting direction of the human body refers to the direction of the length of the upper torso of the person when standing or sitting normally, which is usually the vertical direction or plumb direction perpendicular to the ground or the horizontal plane; the sitting plane of the human body refers to the plane perpendicular to the horizontal plane or the ground where the front of the upper torso of the person is located when standing or sitting normally, usually refers to the plane roughly formed by the shoulders and chest in the human torso when the person is standing or sitting normally; the length direction of the connecting rod 1 is also the length direction of the upper torso when sitting; the rotating part 32 arranged on the chest stopper 2 can be an independent component or can be integrally formed with the chest stopper 2.

[0029] A positioning member is provided between the fixed member 31 and the rotating member 32, which not only enables the limiting part to rotate within the sitting plane of the human body, but also enables the chest stopper 2 to be clamped on the connecting rod 1. The positioning member is one or more structures such as a buckle, a positioning pin, a spring block, etc.; in some embodiments, other transition matching methods can be adopted between the contact surfaces of the fixed member 31 and the rotating member 32.

[0030] In a preferred embodiment of the present application, a rotating shaft 311 is provided on the fixing member 31, and an axial hole 321 is provided on the rotating member 32. The rotating shaft 311 can be slidably sleeved in the axial hole 321, and a tension spring 33 is provided between the rotating shaft 311 and the axial hole 321; a positioning protrusion 312 is provided on the fixing member 31, and a positioning groove 322 is provided on the rotating member 32 to be fixed with the positioning protrusion 312.

[0031] Preferably, two positioning protrusions 312 are symmetrically provided in the vertical or horizontal direction on one side of the fixed member 31 close to the rotating member 32, and four positioning grooves 322 are symmetrically provided in the vertical and horizontal directions on one side of the rotating member 32 close to the fixed member 31. The positioning protrusion 312 is composed of a sleeve 3121 and a ball 3122. A part of the ball 3122 is rollably embedded in the sleeve 3121, and another part of the ball 3122 is exposed outside the opening of the sleeve 3121 and can be detachably placed in the positioning groove 322. The ball 3122 on the fixed member 31 is clamped and matched with the positioning groove 322 on the rotating member 32, so that the chest stopper 2 can realize the clamping function. In some embodiments, four positioning protrusions 312 are symmetrically provided in the vertical and horizontal directions on a side of the fixed member 31 close to the rotating member 32, and two positioning grooves 322 are symmetrically provided in the vertical or horizontal directions on a side of the rotating member 32 close to the fixed member 31; in some embodiments, four positioning protrusions 312 are symmetrically provided in the vertical and horizontal directions on a side of the fixed member 31 close to the rotating member 32, and four positioning grooves 322 corresponding to the positions of the positioning protrusions 312 are provided on a side of the rotating member 32 close to the fixed member 31.

[0032] When in use, the rotating member 32 can be gently pulled and rotated, and the ball 3122 can slide out of the positioning groove 322. When it is rotated 90 degrees to the left or right, the rotating member 32 is released, and the tension spring 33 resets the rotating member 32. This operation causes the ball 3122 to leave the initial positioning groove 322 and then be locked with another adjacent positioning groove 322, so that the chest stopper 2 can be rotated to the human body sitting plane and perpendicular to the length direction of the connecting rod 1 to form a limit for the human body sitting posture. When not in use, the same operation is continued to rotate 90 degrees to the left or right, so that the chest stopper 2 can be rotated to the human body sitting plane and parallel to the length direction of the connecting rod 1, thereby reducing the space occupied by the chest stopper 2 and realizing the locking function at the same time.

[0033] Preferably, an annular limiting groove 313 is provided on one side of the fixing member 31 close to the rotating member 32 , and the rotating member 32 is rotatably placed in the annular limiting groove 313 , so as to further improve the stability of the cooperation between the fixing member 31 and the rotating member 32 .

[0034] 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 rotatable and foldable sitting posture corrector limiter, comprising a connecting rod and a chest stopper, wherein the chest stopper is arranged on the connecting rod, and is characterized in that: A rotating assembly is provided between the connecting rod and the chest stop, and the chest stop can rotate relative to the connecting rod in the sitting plane of the human body; the rotating assembly includes a rotating fixed part and a rotating part that are rotatably matched, the fixed part is arranged on the connecting rod, and the rotating part is arranged on the chest stop, and the chest stop together with the rotating part rotates relative to the fixed part in the sitting plane of the human body; a transition fit is adopted between the contact surfaces of the fixed part and the rotating part, or a positioning part is provided between the fixed part and the rotating part; a rotating shaft is provided on the fixed part, an axial hole is provided on the rotating part, the rotating shaft can be slidably sleeved in the axial hole, and a tension spring is provided between the rotating shaft and the axial hole; a positioning protrusion is provided on the fixed part, and a positioning groove that is clamped with the positioning protrusion is provided on the rotating part.

2. The rotatable and foldable sitting posture corrector limiting part according to claim 1, characterized in that: The fixed part is provided with two positioning protrusions symmetrically in the vertical direction or the horizontal direction on one side close to the rotating part, and the rotating part is provided with four positioning grooves symmetrically in the vertical direction and the horizontal direction on one side close to the fixed part. The positioning protrusion is composed of a sleeve and a ball, a part of the ball is rotatably embedded in the sleeve, and the other part of the ball is exposed outside the opening of the sleeve and can be detachably placed in the positioning groove, and the ball on the fixed part is clamped and matched with the positioning groove on the rotating part.

3. The rotatable and foldable sitting posture corrector limiting part according to claim 2, characterized in that: A side of the fixed member close to the rotating member is provided with an annular limiting groove, and the rotating member is rotatably placed in the annular limiting groove.

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