CN216256292U

CN216256292U - Office chair capable of maintaining natural physiological posture of spine

Info

Publication number: CN216256292U
Application number: CN202123140432.7U
Authority: CN
Inventors: 戴长志; 房德正; 宋明清; 孙兵
Original assignee: Weifang University
Current assignee: Weifang University
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-12
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an office chair capable of maintaining the natural physiological posture of the spine, which comprises a supporting structure and a panel arranged on the supporting structure, wherein a hinge structure capable of enabling the panel to incline forwards is arranged between the panel and the supporting structure, and hinge shafts in the hinge structure are horizontally arranged from left to right. The hinge joint of the panel enables a user to adjust the forward tilting angle of the panel according to the requirement of the user. The thigh naturally inclines after the panel leans forward, and the human body naturally forms the posture of contracting the abdomen and straightening the chest, thereby improving the phenomenon of bending the waist and back; the shank of the human body is not limited, the comfortable posture can be freely switched, and the sedentary fatigue is effectively reduced, so the utility model is suitable for people who use computers for a long time and work at desk.

Description

Office chair capable of maintaining natural physiological posture of spine

Technical Field

The utility model relates to an office chair, in particular to an office chair beneficial to keeping the natural physiological posture of spine.

Background

At present, more and more people can sit on the chair stool for a long time and work by using a computer or bending over a table, and the long-time sitting state becomes a normal state. The common stools for computer or desk-bending workers are mostly horizontal panels, the thighs are nearly parallel to the ground after the human body leans on, and the natural bending of the spine is difficult to keep in the state, so that when many people work with computers or desk-bending workers, the back of the waist bow is bent more, and spine and lumbar muscle diseases are caused as long as time passes. Aiming at the situations, kneeling position office chairs are also available in the market. The chair adopts an inclined panel, a knee support plate is arranged in front of the inclined panel, and inclined thighs can naturally form the posture of contracting abdomen and raising chest by utilizing the knee support, so that the phenomenon of bending waist and back is improved. However, in the kneeling position office chair, the lower legs are pressed on the knee supporting plate, the legs are kept in one position, fatigue is easy to cause after a long time, and the lower legs continuously bear part of the weight of a human body, and fatigue damage is easy to cause after long-term use, so that the kneeling position office chair can be used only for a short time and cannot meet the use requirements of computer users and over-the-desk workers. Therefore, a chair capable of improving the phenomenon of bending waist and back during sedentary sitting and reducing fatigue during sedentary sitting needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an office chair capable of maintaining the natural physiological posture of the spine, improving the phenomenon of bending waist and back during sedentary sitting and reducing the fatigue during sedentary sitting, and the office chair is suitable for people using computers and working over a desk for a long time.

In order to solve the technical problems, the technical scheme of the utility model is as follows: an office chair beneficial to keeping the natural physiological posture of the spine comprises a supporting structure and a panel arranged on the supporting structure, wherein a hinge structure capable of enabling the panel to incline forwards is arranged between the panel and the supporting structure, and a hinge shaft in the hinge structure is horizontally arranged left and right.

As a preferable technical scheme, a resistance-increasing structure is further arranged between the panel and the supporting structure.

As a preferred technical scheme, the resistance-increasing structure comprises a hinged shaft fixedly arranged at the bottom of the panel, and a hinged shaft sleeve sleeved with the hinged shaft is arranged on the supporting structure; each hinged shaft sleeve comprises a fixed half shaft sleeve arranged on the supporting structure, one end of each fixed half shaft sleeve is hinged with a movable half shaft sleeve, and a fixed holding adjusting structure for holding the inclination angle of the panel is arranged between the free end of each movable half shaft sleeve and the corresponding fixed half shaft sleeve. The hinge shaft and the hinge shaft sleeve are used as the hinge structure.

As a preferred technical scheme, a fixed holding resistance-increasing sheet is fixedly arranged on the articulated shaft, two resistance-increasing clamping blocks capable of clamping the fixed holding resistance-increasing sheet are movably arranged on the supporting structure, and resistance-increasing force application structures are respectively arranged between the two resistance-increasing clamping blocks and the supporting structure; the resistance-increasing force application structure comprises a resistance-increasing pressure-applying bolt which is installed on the supporting structure in a threaded mode, and the end portion of the resistance-increasing pressure-applying bolt is pressed against the resistance-increasing clamping block.

As the preferred technical scheme, still install between the panel and the bearing structure and decide and hold the auxiliary rod, decide to hold the auxiliary rod and be pneumatic rod or hydraulic stem, decide the bottom of holding the auxiliary rod with bearing structure articulates and connects the setting, articulated on the panel install with decide the auxiliary rod connecting seat of holding the top fixed connection of auxiliary rod, decide hold the valve of auxiliary rod with be equipped with adjustment handle between the auxiliary rod connecting seat.

As a preferred technical scheme, an anti-skid structure is arranged on the upper surface of the panel; the anti-skidding structure is for setting up anti-skidding stripe on the upper surface of panel, perhaps the anti-skidding structure is for setting up the anti-skidding rubber layer of the upper surface department of panel, perhaps the anti-skidding structure is for setting up anti-skidding silica gel on the upper surface of panel, just anti-skidding silica gel is punctiform and arranges or the latticed arrangement.

As a preferred technical scheme, the office chair further comprises a resistance belt, wherein two ends of the resistance belt are respectively connected with two sides of the office chair, and two sides of the office chair are two sides of the panel or two sides of the supporting structure.

As a preferable technical scheme, the device also comprises a resistance belt; the resistance belt comprises resistance sub-belts respectively connected with two sides of the office chair, and the end parts of the two resistance sub-belts are connected through a connecting device.

As a preferable technical scheme, the device also comprises a resistance belt; one end of the resistance belt is connected with one side of the office chair through the self-winding device, and the other end of the resistance belt is connected with the other side of the office chair through the connecting device.

As a preferred technical scheme, the connecting device is a snap connection, a thread gluing connection or a magnetic buckle connection.

Due to the adoption of the technical scheme, the front inclination angle of the panel can be adjusted by a user according to the requirement due to the hinge joint of the panel. The thigh naturally inclines after the panel leans forward, and the human body naturally forms the posture of contracting the abdomen and straightening the chest, thereby improving the phenomenon of bending the waist and back; the shank of the human body is not limited, the comfortable posture can be freely switched, and the sedentary fatigue is effectively reduced, so the utility model is suitable for people who use computers for a long time and work at desk.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic top view of a first anti-slip structure of a panel according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a third panel with non-slip silica gel arranged in dots according to an embodiment of the present invention;

FIG. 4 is a schematic top view of a third embodiment of the present invention, wherein the third grid-shaped anti-slip silica gel panel is arranged in a grid pattern;

FIG. 5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a schematic view of the A-A structure of FIG. 5;

fig. 7 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: 1-a support structure; 11-a pillar; 12-a leg; 2-a panel; 21-a hinged axis; 3-hinging the shaft sleeve; 31-fixing the half shaft sleeve; 32-movable half shaft sleeve; 33-a holding adjustment structure; 4-an anti-slip structure; 41-skid resistant stripes; 42-non-slip silica gel; 5-a resistance band; 6-chair back; 7-fixing the holding resistance increasing sheet; 71-resistance-increasing clamping blocks; 72-resistance-increasing force-applying structure; 8-holding the auxiliary rod; 81-auxiliary rod connection seat; 82-adjusting the handle.

Detailed Description

The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, exemplary embodiments of the utility model are described by way of illustration only, wherein references to "up," "down," "left," "right," "front," and "back" are defined as orientations at the time of normal use. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

The first embodiment is as follows: as shown in fig. 1 to 4 together, an office chair for facilitating the maintenance of the natural physiological posture of the spine comprises a support structure 1, and a panel 2 mounted on the support structure 1. Conventionally, the support structure 1 comprises a column 11, and a plurality of legs 12 fixed at the lower end of the column 11, the lower end of each leg 12 being supported on the ground by means of a foot pin or a universal wheel. The support 11 may be a rigid metal rod structure, or may be a pneumatic rod structure. The panel 2 should at least comprise a skeleton and may also comprise a textile or leather cushion or the like laid on the skeleton.

A hinge structure capable of enabling the panel 2 to incline forwards is arranged between the panel 2 and the supporting structure 1, and a hinge shaft 21 in the hinge structure is horizontally arranged left and right. Through the structure, a user can adjust the forward inclination angle of the panel 2 according to the requirement of the user so as to realize comfortable abdomen-drawing and chest-lifting postures and free actions of the lower legs.

Preferably, a resistance increasing structure is further arranged between the panel 2 and the supporting structure 1, and the resistance increasing structure is used for fixing the angle of the panel 2 with the forward tilting angle adjusted well so as to ensure the stability of the user in riding. The resistance-increasing structure comprises an articulated shaft 21 fixedly arranged at the bottom of the panel 2, the supporting structure 1 is provided with two articulated shaft sleeves 3 sleeved with the articulated shaft 21, and the two articulated shaft sleeves 3 are shown in the embodiment, so that the articulated shaft 21 can stably rotate through two-point support. Each hinged shaft sleeve 3 comprises a fixed half shaft sleeve 31 arranged on the supporting structure 1, one end of each fixed half shaft sleeve 31 is hinged with a movable half shaft sleeve 32, and a fixed holding adjusting structure 33 for holding the inclination angle of the panel 2 is arranged between the free end of each movable half shaft sleeve 32 and the corresponding fixed half shaft sleeve 31. Conventionally, the holding adjustment structure 33 is realized by using a bolt.

When the holding adjustment structure 33 is loosened, the panel 2 can be rotatably adjusted about the hinge shaft 21 until the tilt angle suitable for the user is adjusted. Based on this function, the hinge shaft 21 and the hinge bush 3 are provided as the hinge structure. The holding adjustment structure 33 is then tightened, the hinge sleeve 3 exerts a greater locking effect on the hinge shaft 21, and the panel 2 can be held securely at the desired angle of inclination for use. The inclination angle suitable for the user is preferably 5 ° to 36 °, and the most suitable angle is 12 ° to 30 °. Wherein, the upper surface of panel 2 is not necessarily the complete plane, if the upper surface of panel 2 is the smooth concave surface setting corresponding with human buttock and shank surface, consequently the inclination of panel 2 should regard as the human body to sit in whole slope impression on panel 2 defines, specifically as follows: when a human body sits on the panel 2, if the human body has the same gliding effect as the other panel 2 whose upper surface is completely planar, the inclined angle of the panel 2 whose upper surface is completely planar is the inclined angle of the panel 2 in this embodiment.

Through the structure principle, the user can realize ideal thigh inclination in a sitting posture under a proper panel 2 inclination angle, and the human body naturally forms a abdomen-drawing and chest-pushing posture, so that the phenomenon of bending waist and back is improved. The shank of the human body is not limited, the comfortable posture can be freely switched, and the sedentary fatigue is effectively reduced. Of course, the above-mentioned structure, in which the hinge shaft 21 is provided on the supporting structure 1 and the hinge sleeve 3 is provided at the bottom of the panel 2, is a variation of equivalent technical means and shall also fall within the scope of protection of the present invention.

Preferably, the upper surface of the panel 2 is provided with an anti-slip structure 4, and the anti-slip structure 4 can provide larger friction resistance, reduce the human body from sliding downwards, and improve the sense of stability and weight of the human body sitting on the inclined panel 2. The anti-slip structure 4 may have various designs: first, as shown in fig. 2, the anti-slip structure 4 is an anti-slip stripe 41 disposed on the upper surface of the panel 2, and the rough surface of the anti-slip stripe 41 is used to increase the frictional resistance; secondly, the anti-skid structure 4 is an anti-skid rubber layer arranged on the upper surface of the panel 2, and the larger friction coefficient and the self flexible deformation capacity of the surface of the anti-skid rubber layer are utilized to improve the friction resistance; the third kind, as shown in fig. 3 and 4, anti-skidding structure 4 is for setting up anti-skidding silica gel 42 on the upper surface of panel 2, just anti-skidding silica gel 42 is punctiform and arranges or latticed arranging, and this design utilizes the better coefficient of friction and the flexible deformability of anti-skidding silica gel 42 to distributed structure, when improving frictional resistance, increases pleasing to the eye degree, and does not influence panel 2 raw materials comfort level.

Preferably, the present embodiment further comprises a resistance band 5, wherein the resistance band 5 is wound around the abdomen of the human body, so as to further reduce the gliding and improve the weight-stabilizing feeling of the human body sitting on the inclined panel 2. The resistance band 5 can be realized in various structural forms as follows. Firstly, two ends of the resistance belt 5 are respectively connected with two sides of an office chair, the two sides of the office chair are two sides of the panel 2 or two sides of the supporting structure 1, when the panel 2 is provided with armrests and a chair back 6, the two sides of the office chair can also be the armrests on the two sides or two sides of the chair back 6; in practical use, the resistance belt 5 can be connected by using the connecting device at both ends, or can be fixedly connected at one end and connected at the other end by using the connecting device. Secondly, the resistance belts 5 comprise resistance sub-belts respectively connected with two sides of the office chair, and the end parts of the two resistance sub-belts are connected through a connecting device; the definition of the two sides of the office chair is the same as the first type; the structure is beneficial to the operation of users before the users, and the use is more convenient. Thirdly, one end of the resistance belt 5 is connected with one side of the office chair through a self-winding device, and the other end of the resistance belt 5 is connected with the other side of the office chair through a connecting device; here, the definition of both sides of the office chair is the same as the first one; this structure makes resistance area 5 form similar safety belt structure, and elastic shrinkage can reduce the belly oppression when providing anti-skidding effect, also makes resistance area 5 rollback when not using simultaneously in can the self-winding ware, reduces resistance area 5 winding and the scheduling problem of colliding with, uses more reliably. In the above structure, the connecting device is a snap connection, a thread gluing connection or a magnetic snap connection, which are all the existing structures that are convenient to connect or disconnect at any time, and are not described herein again. The resistance belt 5 can be additionally provided with a length adjusting structure at the connecting device, so that the device is suitable for different people to use, and the length adjusting structure can be realized by referring to an airplane safety belt length adjusting structure (also called a tightness adjusting structure), and is not described again. The self-winding device is usually a structure that a winding shaft wound with a resistance belt 5 is driven by a volute spiral spring to wind, which is easily obtained by those skilled in the art with reference to structures such as a vehicle safety belt retractor and the like, and is not described herein again.

Preferably, a chair back 6 is fixedly arranged on the panel 2. Based on the large-scale adjustability of the inclination angle of the panel 2 in the embodiment, a user can level the panel or slightly tilt the panel backwards outside the work of using a computer or bending over a desk, so that the user can conveniently realize a good leisure effect. The chair back 6 can be matched with the panel 2 to be leveled or slightly inclined backwards, so that the amateur rest effect is enhanced in an auxiliary manner.

The back bending device can improve the phenomenon of bending the waist and the back, effectively reduces the fatigue of sedentary people, has simple integral structure, low manufacturing cost and strong use flexibility, and is particularly suitable for people who use computers and work at desk for a long time to use.

Example two: as shown in fig. 5 and 6, the present embodiment is different from the first embodiment in that: the hinge shaft 21 is fixedly provided with a fixed resistance-increasing sheet 7, the support structure 1 is movably provided with two resistance-increasing clamping blocks 71 capable of clamping the fixed resistance-increasing sheet 7, and resistance-increasing force application structures 72 are respectively arranged between the two resistance-increasing clamping blocks 71 and the support structure 1. The embodiment shows that the supporting column 11 of the supporting structure 1 is integrally arranged in a Y shape, and two upper ends of the supporting column 11 are respectively provided with one hinge shaft sleeve 3. The middle part of the hinged shaft 21 is fixedly provided with the fixed resistance-increasing sheet 7, two sides of the fixed resistance-increasing sheet 7 on the supporting structure 1 are respectively and fixedly provided with a sliding cylinder, one resistance-increasing clamping block 71 is respectively and slidably mounted in each sliding cylinder, and the resistance-increasing clamping block 71 realizes high friction fixed holding of the fixed resistance-increasing sheet 7 by using the pressure provided by the resistance-increasing force application structure 72, so that the hinged shaft sleeve 3 is assisted to further stabilize the inclination angle of the panel 2. The resistance-increasing force application structure 72 of the present embodiment includes a resistance-increasing pressure-applying bolt threadedly mounted on the support structure 1, and an end of the resistance-increasing pressure-applying bolt is pressed against the resistance-increasing clamping block 71.

Example three: as shown in fig. 7, the present embodiment is different from the first embodiment in that: still install between panel 2 and bearing structure 1 and decide and hold auxiliary rod 8, decide to hold auxiliary rod 8 and be pneumatic rod or hydraulic stem, pneumatic rod and hydraulic stem are known technology, do not describe herein again. The bottom end of the fixed auxiliary rod 8 is hinged with the supporting structure 1, and the hinging can be realized by additionally welding a hinged pin shaft on the bottom end of the fixed auxiliary rod 8 or fixedly hinging a hinged connecting seat on the bottom end of the fixed auxiliary rod 8; and when the support post 11 in the supporting structure 1 is also a pneumatic rod, the bottom end of the auxiliary holding rod 8 is hinged with the piston rod of the support post 11. An auxiliary rod connecting seat 81 fixedly connected with the top end of the fixed holding auxiliary rod 8 is hinged to the panel 2, and an adjusting handle 82 is arranged between the valve of the fixed holding auxiliary rod 8 and the auxiliary rod connecting seat 81.

Holding auxiliary rod 8 surely, panel 2 with bearing structure 1 constitutes the triangle-shaped structure, when pulling adjustment handle 82 (with conventional pneumatic chair is the same), holding auxiliary rod 8 and stretching out, panel 2 can realize the reduction of forward rake angle, when pulling adjustment handle 82, and to the front end of panel 2 applys gravity or pressure (with conventional pneumatic chair regulation the same), can overcome holding auxiliary rod 8's power, will the forward rake angle grow of panel 2, with this realization the regulation of the inclination of panel 2. After the inclination angle is adjusted to a proper value, the adjusting handle 82 is loosened, the rigid supporting rod formed by the auxiliary holding rod 8 is fixed, and the inclination angle of the panel 2 is stably fixed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An office chair beneficial to keeping the natural physiological posture of the spine, comprising a supporting structure and a panel mounted on the supporting structure, characterized in that: the panel with be equipped with between the bearing structure and can make the panel forward the hinge structure of slope, level setting about the articulated shaft among the hinge structure.

2. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: and a resistance increasing structure is also arranged between the panel and the supporting structure.

3. An office chair according to claim 2, wherein said means for maintaining the natural physiological position of the spine comprises: the resistance-increasing structure comprises a hinged shaft fixedly arranged at the bottom of the panel, and a hinged shaft sleeve sleeved with the hinged shaft is arranged on the supporting structure; each hinged shaft sleeve comprises a fixed half shaft sleeve arranged on the supporting structure, one end of each fixed half shaft sleeve is hinged with a movable half shaft sleeve, and a fixing and adjusting structure for fixing and adjusting the inclination angle of the panel is arranged between the free end of each movable half shaft sleeve and the corresponding fixed half shaft sleeve; the hinge shaft and the hinge shaft sleeve are used as the hinge structure.

4. An office chair according to claim 3, wherein said means for maintaining the natural physiological position of the spine comprises: the hinge shaft is fixedly provided with a fixed resistance-increasing sheet, the supporting structure is movably provided with two resistance-increasing clamping blocks capable of clamping the fixed resistance-increasing sheet, and resistance-increasing force application structures are respectively arranged between the two resistance-increasing clamping blocks and the supporting structure; the resistance-increasing force application structure comprises a resistance-increasing pressure-applying bolt which is installed on the supporting structure in a threaded mode, and the end portion of the resistance-increasing pressure-applying bolt is pressed against the resistance-increasing clamping block.

5. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: the panel with still install between the bearing structure and decide and hold the auxiliary rod, decide to hold the auxiliary rod and be pneumatic rod or hydraulic stem, decide the bottom of holding the auxiliary rod with the bearing structure is articulated to be connected and is set up, articulated install on the panel with decide the auxiliary rod connecting seat of holding the top fixed connection of auxiliary rod, decide the valve of holding the auxiliary rod with be equipped with adjustment handle between the auxiliary rod connecting seat.

6. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: an anti-skid structure is arranged on the upper surface of the panel; the anti-skidding structure is for setting up anti-skidding stripe on the upper surface of panel, perhaps the anti-skidding structure is for setting up the anti-skidding rubber layer of the upper surface department of panel, perhaps the anti-skidding structure is for setting up anti-skidding silica gel on the upper surface of panel, just anti-skidding silica gel is punctiform and arranges or the latticed arrangement.

7. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: the two ends of the resistance belt are respectively connected with the two sides of the office chair, and the two sides of the office chair are the two sides of the panel or the two sides of the supporting structure.

8. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: also comprises a resistance belt; the resistance belt comprises resistance sub-belts respectively connected with two sides of the office chair, and the end parts of the two resistance sub-belts are connected through a connecting device.

9. An office chair according to claim 1, wherein said means for maintaining the natural physiological position of the spine comprises: also comprises a resistance belt; one end of the resistance belt is connected with one side of the office chair through the self-winding device, and the other end of the resistance belt is connected with the other side of the office chair through the connecting device.

10. An office chair for facilitating the maintenance of the natural physiological position of the spine as claimed in claim 8 or 9, wherein: the connecting device is in a buckle connection mode, a thread gluing connection mode or a magnetic buckle connection mode.