CN218571818U

CN218571818U - Inclination adjusting seat structure and posture correcting spine protecting chair

Info

Publication number: CN218571818U
Application number: CN202223035727.2U
Authority: CN
Inventors: 侯晨曦; 翟星光; 孟亿丹; 翟飞洪
Original assignee: Beijing Zhuozi Technology Co ltd
Current assignee: Beijing Zhuozi Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-07
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to the field of posture correcting and spine protecting chairs, in particular to an inclination adjusting chair structure and a posture correcting and spine protecting chair; comprises a seat and a backrest which is slidably arranged on the seat; the two sides of the seat are provided with connecting parts; the upper side of the connecting part is an inclined plane; the two sides of the backrest are respectively provided with armrest parts, the lower side of each armrest part is provided with an inclined sliding groove corresponding to the upper side of the connecting part, the connecting part is in sliding fit in the sliding groove, the backrest is provided with a protruding part in the direction towards the seat, and the sliding grooves are used for adjusting the backrest downwards along the inclination of the connecting part to enable the protruding part to be positioned at the lumbar curvature part of the lumbar to support the waist; the contact area of the seat with the buttocks and the legs is reduced, so that a more comfortable sitting posture is ensured; thereby making the device suitable for people of different heights.

Description

Inclination adjusting seat structure and posture correcting spine protecting chair

Technical Field

The utility model relates to a positive appearance seat field, concretely relates to slope is adjusted seat structure and is positive appearance back-bone chair.

Background

The long-term bad sitting posture of the human body can cause lumbar vertebra deformation and myopia diseases; as shown in fig. 1, it is a schematic view showing the structure of the spine when a normal human body is sitting, which is not a straight line but is in an S-shaped structure, wherein the spine at the waist has a curved structure; the straight sitting posture is still for a short period of time, but it is tired to keep the waist for a long period of time, mainly because the lumbar vertebrae bear most of the weight of the upper body.

For example, an authorization notice number CN215126350U is a chair back structure and a supporting portion structure of a posture correcting chair, which includes a seat surface of the chair and a backrest installed on the chair; the backrest is provided with a supporting part towards the direction of the seat, so that when a person sits in a normal sitting state, the supporting part is positioned at the lumbar curvature part of the lumbar to support the lumbar; when sitting upright, the backrest can support the bending part of the lumbar vertebra, thereby sharing the pressure of part of body to the vertebra and reducing the fatigue feeling when sitting upright; meanwhile, as the backrest is convex towards the seat, the discomfort caused by forward leaning of the body is increased; through the two aspects, a person sitting on the seat can naturally select a sitting posture, and the chair has an important restraint effect on correcting the sitting posture of a student.

However, the device cannot effectively adjust the lumbar support position, as shown in fig. 2, the height position of the lumbar is higher relative to the height position of the pupils when the high school students are sitting; meanwhile, the thigh length of the high school students and the thigh length of the primary school students are longer, so that the required lengths of the chair surfaces are different when the high school students and the primary school students keep comfortable sitting postures; based on the technical background, the inventor designs a tilt adjusting chair structure and a posture correcting spine protection chair.

Disclosure of Invention

In order to solve the problem that the length of the supporting part of the lumbar vertebra and the seat surface of the seat can not be adjusted simultaneously in the prior art, the utility model provides a chair structure is adjusted in slope and a spine chair is protected to positive appearance.

The utility model discloses the technical scheme who just uses as follows: a tilt-adjustable seat structure includes a seat and a backrest slidably mounted on the seat; the two sides of the seat are provided with connecting parts; the upper side of the connecting part is an inclined plane; the two sides of the backrest are respectively provided with armrest parts, the lower side of each armrest part is provided with an inclined sliding groove corresponding to the upper side of the connecting part, the connecting part is in sliding fit in the sliding groove, the backrest is provided with a protruding part in the direction towards the seat, and the sliding grooves are used for downwards adjusting the backrest along the inclination of the connecting part to enable the protruding part to be positioned at the lumbar curvature of the lumbar to support the waist.

Further, the connecting part is inclined from one side of the backrest to the lower part of the other side.

Optionally, the connecting portion and the chute are locked by a locking member.

Specifically, the locking piece is an annular buckle, and a clamping bulge is formed on the lower side of the annular buckle; the side part of the armrest part is provided with a handle channel, and the upper side of the armrest part is respectively provided with mounting grooves corresponding to the annular handles; clamping grooves are uniformly formed in the upper side of the connecting part, the annular buckle is arranged in the mounting groove in a sliding mode, and the clamping protrusions extend out of the mounting groove to be matched with the clamping grooves in a clamping mode; the upside of mounting groove is fixed with the handrail lid through the bolt, is equipped with compression spring simultaneously between annular attacker and handrail lid for carry out the return after annular attacker upwards extrudees.

Furthermore, two sides of the annular buckle are straight line sections, and one side of the annular buckle is large and the other side of the annular buckle is small.

Specifically, the locking piece is the locking knob, and fixed passage has evenly been seted up to the upside of connecting portion, is equipped with the screw hole that corresponds with fixed passage in handrail portion, extends in fixed passage behind locking knob and the screw hole screw-thread fit.

Preferably, a back cushion is arranged on one side of the backrest, which faces the seat, the protruding part is arranged on the back cushion, and the back cushion is provided with an arc-shaped concave surface; while the backrest has a rearward slope of 5-15 deg..

Preferably, a seat cushion is arranged on the seat, and an inverted protruding triangle is arranged on the front side of the seat cushion.

The application also provides a posture correcting spine protection chair, which comprises the inclination adjusting chair structure of any one of the above embodiments, wherein the lower side of the chair is connected with a five-claw base through a pneumatic rod, and each claw of the five-claw base is provided with a universal wheel.

The utility model discloses the beneficial effect who reaches does: when the seat is used, the annular handle is buckled upwards by two hands, slides along the side wall of the mounting groove, compresses the compression spring, separates the clamping protrusion from the clamping groove, and enables the backrest to slide downwards along the inclined plane on the upper side of the connecting part in an inclined manner, so that the height position of the protruding part and the length of the seat are adjusted; after the hand is released, the compression spring is restored, the annular handle returns along the side wall of the mounting groove, and the clamping bulge is clamped in the clamping groove to fix the relative position of the seat and the backrest; the sliding groove is used for obliquely and downwards adjusting the backrest along the upper side of the connecting part, so that the protruding part is positioned at the waist curve of the lumbar to support the waist, the contact area of the seat with the hip and the leg is reduced, and a more comfortable sitting posture is ensured; thereby making the device suitable for people of different heights.

Drawings

Figure 1 is a schematic view of a normal human sitting posture lumbar vertebra.

Fig. 2 is a schematic view of the lumbar vertebrae height and the chair for high school students and pupils sitting upright.

Fig. 3 is a schematic view of the overall structure of the present invention.

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

Fig. 5 is a schematic view of the ring-shaped buckle of the present invention.

Fig. 6 is a schematic view of the mounting groove structure of the present invention.

Fig. 7 is a schematic view of the structure of the clamping groove of the present invention.

Fig. 8 is a schematic structural view of the locking knob of the present invention.

Fig. 9 is a schematic view of the buckle passage structure of the present invention.

Fig. 10 is a schematic view of the sliding direction of the seat and the backrest of the present invention.

Fig. 11 is a schematic view of the structure of the back cushion and the seat cushion of the present invention.

Fig. 12 is a schematic structural view of the five-claw base of the present invention.

In the figure, 1, a seat; 2. a backrest; 3. a connecting portion; 4. an armrest portion; 5. a chute; 6. a projection; 7. an annular buckle; 8. clamping the bulges; 9. a handle channel; 10. mounting grooves; 11. clamping the groove; 12. an armrest cover; 13. a compression spring; 14. a locking knob; 15. a fixed channel; 16. back cushion; 17. a cushion; 18. a protruding triangle; 19. a pneumatic rod; 20. a five-claw base; 21. a universal wheel.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, embodiments of the present invention will be described below with reference to the accompanying drawings.

For a clear understanding of the technical solutions of the present application, the seat provided in the present application will be described in detail below with reference to specific embodiments and accompanying drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example one

When a person normally sits on the chair, the spine is in an S-shaped structure, and the backrest 2 is provided with a supporting part towards the direction of the chair 1, so that when the person sits on the chair, the supporting part is positioned at the lumbar curvature of the lumbar to support the waist; the fatigue feeling during sitting can be reduced.

The chair 1 is mainly used for students as main crowds and primary and secondary school students, and the primary and secondary school students develop most quickly and have a correct sitting posture, so that the body of the students can well develop, and the problem of myopia can be solved; meanwhile, the thigh length of the high school students and the thigh length of the primary school students are longer, so that the required lengths of the chair surfaces are different when the high school students and the primary school students keep comfortable sitting postures.

As shown in fig. 3, the present invention provides a tilt adjusting chair 1 structure, which comprises a chair 1 and a backrest 2 slidably mounted on the chair 1; the two sides of the seat 1 are provided with connecting parts 3, the connecting parts 3 can be integrally formed with the seat 1, and can also be of a split structure connected through bolts; the upper side of the connecting part 3 is an inclined slope, and the inclined direction of the inclined slope is inclined from one side of the backrest 2 to the lower side of the other side; the two sides of the backrest 2 are respectively provided with an armrest part 4, and the armrest parts 4 are vertical to the backrest 2 and extend like one side of the seat 1; an inclined sliding groove 5 corresponding to the upper side of the connecting part 3 is arranged at the lower side of the armrest part 4, the connecting part 3 is in sliding fit in the sliding groove 5, and locking is carried out through a locking piece; the backrest 2 is provided with the protruding part 6 towards the direction of the seat 1, so that when a person sits in a normal sitting state, the sliding groove 5 is used for obliquely and downwards adjusting the backrest 2 along the upper side of the connecting part 3, the protruding part 6 is positioned at the lumbar curvature part of the lumbar vertebra to support the waist, the contact area of the seat 1 with the hip and the leg is reduced, and a more comfortable sitting posture is ensured; thereby making the device suitable for people of different heights.

As shown in fig. 5, the locking member is an annular buckle 7, two sides of the annular buckle 7 are straight line segments, one side of the annular buckle is larger, and the other side of the annular buckle is smaller, and a clamping protrusion 8 is formed on the lower side of the annular buckle 7; an oval-shaped handle channel 9 is arranged at the side part of the handle part 4, mounting grooves 10 corresponding to the annular handles 7 are respectively arranged at the upper side of the handle part 4, wherein the mounting grooves 10 are communicated with the handle channel 9, and the two sides of the mounting grooves are vertical to the sliding grooves 5; clamping grooves 11 are uniformly formed in the upper side of the connecting part 3, the annular buckle 7 is arranged in the mounting groove 10 in a sliding mode, and the clamping protrusions 8 extend out of the mounting groove 10 to be matched with the clamping grooves 11 in a clamping mode; an armrest cover 12 is fixed on the upper side of the mounting groove 10 through bolts, and a compression spring 13 is arranged between the annular buckle 7 and the armrest cover 12 and used for returning after the annular buckle 7 is upwards extruded; when the seat is used, the annular buckle 7 is buckled upwards by two hands, the annular buckle 7 slides along the side wall of the mounting groove 10 to extrude the compression spring 13, the clamping protrusion 8 is separated from the clamping groove 11, the backrest 2 slides downwards along the inclined plane on the upper side of the connecting part 3 in an inclined manner, and the height position of the protruding part 6 and the length of the seat 1 are adjusted; after the hand is loosened, the compression spring 13 is restored, the annular buckle 7 returns along the side wall of the mounting groove 10, and the clamping protrusion 8 is clamped in the clamping groove 11 to fix the relative position of the seat 1 and the backrest 2.

As shown in fig. 8, the locking member is a locking knob 14, in this embodiment, the fixing channel 15 is uniformly opened on the upper side of the connecting portion 3, a threaded hole corresponding to the fixing channel 15 is provided on the armrest portion 4, the locking knob 14 is in threaded fit with the threaded hole and then extends into the fixing channel 15, so as to fix the relative position of the seat 1 on the backrest 2.

Example two

As shown in fig. 10, in order to make the backrest 2 more comfortable, a back cushion 16 is arranged on the side of the backrest 2 facing the seat 1, the back cushion 16 is a sponge layer with the thickness of 5cm, a protruding part is arranged on the back cushion 16, the back cushion 16 is provided with an arc-shaped concave surface, and the back of a person is wrapped in the concave surface when sitting down; meanwhile, the backrest 2 has a backward slope of about 5-15 degrees (the difference between the vertical axes of the lower side and the upper side is about 2.5cm, and the inclination angle is optimal), so that the backrest 2 is more consistent with the lumbar of a human body.

EXAMPLE III

As shown in fig. 10, a seat cushion 17 is arranged on the seat 1, the seat cushion 17 is a sponge layer with the thickness of 5cm, an inverted protruding triangle 18 is arranged on the front side of the seat cushion 17, when a user sits, the buttocks are full of the whole seat cushion 17, two legs are respectively positioned on two sides of the protruding triangle 18, and the seat cushion 17 wraps and supports the buttocks; reduce the oppression feeling brought by sedentariness.

Example four

As shown in fig. 11, the present application also proposes a posture correcting spine protection chair, which comprises the tilt adjusting chair 1 structure of any one of the above embodiments, wherein the lower side of the chair 1 is connected with a five-claw base 20 through a pneumatic rod 19, and each claw of the five-claw base 20 is provided with a universal wheel 21.

The above-mentioned fixing methods, if not separately described, all use the means of common technique of those skilled in the art, such as welding, nesting, or screw fixing.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A reclining seat structure, characterized in that: comprises a seat (1) and a backrest (2) which is arranged on the seat (1) in a sliding way; the two sides of the seat (1) are provided with connecting parts (3); the upper side of the connecting part (3) is an inclined plane; the backrest is characterized in that armrest parts (4) are respectively arranged on two sides of the backrest (2), inclined sliding grooves (5) corresponding to the upper sides of the connecting parts (3) are arranged on the lower sides of the armrest parts (4), the connecting parts (3) are in sliding fit in the sliding grooves (5), protruding parts (6) are arranged in the direction, facing the seat (1), of the backrest (2), the sliding grooves (5) are used for adjusting the backrest (2) downwards along the inclination of the connecting parts (3), and the protruding parts (6) are located at the lumbar curvature of the lumbar to support the waist.

2. A reclining seat structure as set forth in claim 1, wherein: the connecting part (3) inclines from one side of the backrest (2) to the lower part of the other side.

3. A reclining seat structure as set forth in claim 1, wherein: the connecting part (3) and the sliding groove (5) are locked through a locking piece.

4. A reclining seat structure as set forth in claim 3, wherein: the locking piece is an annular buckle (7), and a clamping bulge (8) is formed on the lower side of the annular buckle (7); a handle channel (9) is arranged at the side part of the handle part (4), and the upper side of the handle part (4) is respectively provided with an installation groove (10) corresponding to the annular handle (7); clamping grooves (11) are uniformly formed in the upper side of the connecting part (3), the annular buckle handle (7) is arranged in the mounting groove (10) in a sliding mode, and the clamping protrusions (8) extend out of the mounting groove (10) to be matched with the clamping grooves (11) in a clamping mode; an armrest cover (12) is fixed on the upper side of the mounting groove (10) through bolts, and a compression spring (13) is arranged between the annular buckle (7) and the armrest cover (12) and used for returning after the annular buckle (7) is upwards extruded.

5. A reclining seat structure as set forth in claim 4, wherein: the two sides of the annular buckle (7) are straight line sections, and one side of the annular buckle is large and the other side of the annular buckle is small.

6. A reclining seat structure as set forth in claim 3, wherein: the locking piece is locking knob (14), and fixed channel (15) have evenly been seted up to the upside of connecting portion (3), are equipped with the screw hole that corresponds with fixed channel (15) on handrail portion (4), extend in fixed channel (15) behind locking knob (14) and the screw hole screw-thread fit.

7. A reclining seat structure as set forth in claim 1, wherein: a back cushion (16) is arranged on one side of the backrest (2) facing the seat (1), the protruding part is arranged on the back cushion (16), and the back cushion (16) is provided with an arc-shaped concave surface; the backrest (2) has a backward slope of 5-15 degrees.

8. A reclining seat structure as set forth in claim 1, wherein: a seat cushion (17) is arranged on the seat (1), and an inverted protruding triangle (18) is arranged on the front side of the seat cushion (17).

9. A posture-correcting spine-protecting chair is characterized in that: comprises the tilt adjusting seat (1) structure as claimed in claim 1, wherein the lower side of the seat (1) is connected with a five-claw base (20) through a pneumatic rod (19), and each claw of the five-claw base (20) is provided with a universal wheel (21).