CN101332024A

CN101332024A - Chair for correcting sitting posture

Info

Publication number: CN101332024A
Application number: CNA2008100215224A
Authority: CN
Inventors: 卢主锡
Original assignee: WUXI JIASIBI TECHNOLOGY Co Ltd
Current assignee: WUXI JIASIBI TECHNOLOGY Co Ltd
Priority date: 2008-07-30
Filing date: 2008-07-30
Publication date: 2008-12-31

Abstract

The invention relates to a position correction chair, which is characterized in that a position correction mechanism controls the inclination of a seat board; the position correction chair can not only correct the sitting position of users who sit on inclined seat boards, but also place the seat board horizontally and be used as an ordinary chair. The position correction chair has the effect of providing aided kneel protection for users with the center of gravity of body inclined forward and causing the users to keep the right sitting position.

Description

Chair for correcting sitting posture

Technical field

The present invention invents in order to keep correct sitting posture, and this chair not only can be used as conventional chair and uses, and also can adjust.The gradient of seat board is used as chair for correcting sitting posture.

Background technology

Most people spend on chair more than 20 years all one's life at least, and according to the difference of occupation, the probability that is sitting in study office on the chair for a long time increases, and at this moment incorrect sitting posture can influence healthy.

Sitting posture with mistake is sitting on the chair for a long time, not only causes fatigue easily, and causes the damage of vertebra and muscle.

Occurred the chair of many rectification vertebras recently on the market, this class chair is most of, and the user leans against the back on the backrest backrest in two, makes user's vertebra above-below direction stretching form straight line.

When correcting user's posture by backrest, the user must lean against the back on the backrest otherwise not reach the shortcoming of the effect that corrects faulty sitting posture.

Have the user must be placed on buttocks the inside of seat board again, be placed under the front end state of seat board and lean against on the backrest, user's posture becomes horizontal state, at this moment has been difficult to reach the correcting sitting posture effect.

Summary of the invention

Chair of the present invention not only can be used as conventional chair and use, and in order to keep correct posture optionally to adjust the gradient of seat board.

The present invention includes the correcting posture mechanism of the seat board of support, rack-mount portion and the adjustment seat board gradient between support and seat board.

Correcting posture mechanism is installed between seat board frame and the seat board, say at detailed point and to be installed between seat board frame and the tilting rack, tilting rack is moved power plant module that strength is provided and when the tilting rack predetermined angular done relative rotation and be articulated and connected, be fixed on the hang plate of seat board, and hang plate and seat board frame each be articulated and connected, can comprise the angle board of counterrotating hang plate.

Install to adjust screw between seat board frame and the tilting rack, adjust the side that screw can be installed in seat board frame and tilting rack arbitrarily, make relatedly, be used to guide the moving direction of tilting rack with the opposite side generation.

In power plant module, tilting rack and the seat board frame, with fixing cylinder, do straight line according to the oil pressure of cylinder and move arbitrarily, tilting rack and seat board frame are fixed on the piston that comprises of opposite side.

Here being articulated and connected on the hang plate in the part of tilting rack, is that benchmark is installed in front end with the central shaft of support, and hang plate is articulated and connected in the part of angle board, is that benchmark is installed in the rear end with the central shaft of support.

Angle board can be installed on the carriage center axle.

According to the seat board of correcting posture institutional adjustment angle, be that benchmark is adjusted 5 ° or 45 ° to gradient with the seat board frame, adjustment correcting posture mechanism is moved user's center of gravity toward front end, make the gradient adjustment of seat board.

The knee-pad plate that is installed in support can be folded on the support, has the back cushion of protection knee on the knee-pad plate.

The knee-pad back cushion rotates relatively arm and is provided with, support comprises the height adjusting unit that forms central shaft, and the plural pony sill arranged radial for central shaft, knee-pad is installed on the pony sill extended line, support is benchmark with the central shaft, comprise 3 pony sill 34a with radial arrangement, and two pony sill 34b that tell in each pony sill, knee-pad is installed between the pony sill 34b.

Can the knee-pad plate be installed on seat board, the knee-pad plate is folded on the seat board.

Beneficial effect of the present invention is as follows:

According to correcting posture chair of the present invention, the adjustable tilt degree not only has the sitting posture effect that corrects a mistake, and the words that the seat board horizontal direction is put is used as conventional chair uses.

According to the oil pressure cylinder of the power plant module of correcting posture mechanism, seat board can wing drop, operates very easy.

Toward the user who leaned forward, this chair is equipped with the knee-pad function, makes the user keep correct sitting posture always for center of gravity.

When this chair was used as the conventional chair use, the knee-pad plate can be folded on support or the seat board, and was very convenient to use.

Description of drawings

Fig. 1 is the 1st schematic diagram of the present invention, the front view of correcting posture chair.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the analysis oblique view of the correcting posture mechanism of Fig. 1.

Fig. 4 is the simple and easy schematic diagram of correcting posture chair of Fig. 2.

Fig. 5 is the correcting posture chair detailed maps of Fig. 2.

Fig. 6 is the base plane figure of Fig. 1.

Fig. 7 is the connection layout of the correcting posture mechanism of Fig. 3.

Fig. 8 is the operating process schematic diagram of correcting posture mechanism.

Fig. 9 is the side view during the knee-pad plate development in the present invention's the 2nd schematic diagram.

Figure 10 is the side view when the knee-pad plate is folding in the present invention's the 2nd schematic diagram.

Simple declaration about drawing critical piece title: 10, seat board, 15, the seat board table top, 20, backrest, 30, support, 32, pulley, 34, base, 35, Height Adjustment unit, 40, knee-pad, 42, the first arm, 44, second arm, 46, the knee-pad back cushion, 50, correcting posture mechanism, 52, seat board frame, 54, tilting rack, 55, hang plate, 56, oil pressure cylinder, 58, angle board, 60, adjust screw.

The specific embodiment

With reference to Fig. 1 or 3, be connected with seat board 10 according to this illustrated embodiment correcting posture chair, comprise the backrest 20, the support 30 that is installed in seat board 10 lower support seat boards 10 that support the user back, be installed in the correcting posture mechanism 50 of the gradient of adjusting seat board 10 between support 30 and the seat board 10 and be installed in knee-pad 40 on the support 30.

Seat board 10 is the parts that contact with user's buttocks, for user's facility, at upside back cushion has been installed, and here, seat board 10 comprises the seat board table top 15 that back cushion 12 and back cushion 12 downsides are installed.

Backrest 20 interconnects with seat board 10, and user's back is supported in the rear end that is installed in seat board 10, is connected with seat board table top 15.For the present pallet face 15 of the tension force of adjusting backrest 20 is installed the backrest buffer unit.

Support comprises the base 34 that connects pulley 32 for 30 li, and the Height Adjustment unit 35 of adjusting distance between base 34 and the seat board.

Height Adjustment unit 35 is the builds according to the user, adjusts the distance between base 34 and the seat board 10.Use oil pressure cylinder here, the party that is formed in of Height Adjustment unit 35 is general formation there, so detailed explanation is omitted.

Highly regulate the axle center that unit 35 is installed in base 34, the external force on seat board 10 is dispersed in base 34 uniformly.

Base 34 highly regulate 35 of units in the heart by radial installation, form 6 pony sill 34b in this example.

With reference to figure 1 and Fig. 6, base 34 is equipped with three pony sill 34a according to central shaft C by 120 ° gap, and each pony sill 34a forms institute and decide angle, and past radial direction prolongation comprises the pony sill 34b that pulley 32 is installed.

Here the angle of pony sill 34a is 120 °, and the pulley on the central shaft C is by 60 ° of arrangements, and the angle between each pony sill 34a and the pulley 32 forms 120 °.

So pony sill 34a extends to form toward 3 directions from highly regulating unit 35, forming two their angles of pony sill 34b again for each pony sill 34a is 120 °.

With reference to figure 2 or Fig. 6, knee-pad is rack-mount, the folding or expansion according to user's needs.

Here knee-pad 40 and pony sill 34a connection mutually for the counterrotating the first arm 42 of pony sill 34a, for the first arm 42 counterrotating second arms 44, comprise second arm, 44 counterrotating knee-pad back cushions 46.

The first arm 42 rotates base 34 relatively by the 1st hinged 42a, and the 44 pairs of the first arms of second arm 42 that are installed in the first arm 42 outsides carry out institute to be decided angle and rotate relatively, and knee-pad back cushion 46 is installed in the outside of second arm 44, and second arm 44 is rotated relatively.

When here the first arm 42 shrinks, past base 34 inboard rotary foldings, correlations when particularly the first arm 42 launches, take place with base 34 in 34 outside rotary expansions when opening, and suppress the first arm 42 rotations above decide angle.

When second arm 44 launched then, the first arm 42, second arm 44 were related mutually, and second arm 44 suppresses the first arm 42 rotations above decide angle.

There is knee-pad back cushion 46 also to be related mutually again, suppresses rotation above decide angle with second arm 44.

Based on central shaft C, the first arm 42 that launches toward lateral direction, second arm 44 and knee-pad back cushion 46 are related between them mutually, even user's center of gravity also can support its body weight toward 46 extruding of knee-pad back cushion, and is folding toward central shaft C in the time of obsolete.

In order to consider the position of user's pin, knee-pad 40 is installed in pony sill 34a direction, be pony sill 34a according to the radial installation of central shaft C, the first arm, second arm 4244 are also with pony sill 34a direction laid parallel, knee-pad back cushion 46 is installed between the pony sill 34b that prolongs on the pony sill 34a.

So user's center of gravity is during toward knee-pad back cushion 46 extruding, pony sill 34a and knee-pad 40 up/following direction on same axis, at this moment center of gravity is dispersed on the pulley 32 of each pony sill 34b installation.

Opposite knee-pad 40 with it and pony sill 34b intersect when putting, be squeezed on the knee-pad 40 force direction and, the power that supports the pony sill 34a of knee-pad 40 supports the different moment arms that take place of direction, this phenomenon hinders the security of correcting posture chair.

When user's pin is taken a seat, be placed between the pony sill 34a, user's pin and 30 probabilities that come in contact of support be reduced to minimize.

Correcting posture mechanism 50 can optionally adjust the angle of seat board 10 and constitute.

With reference to Fig. 2 or Fig. 5, correcting posture mechanism 50 comprises: be fixed on seat board frame 52 on the support 30, be installed in being used between seat board frame 52 and the seat board 10 and make support 30 carry out relative motion and the tilting rack 54 that is provided with, being installed in being used between seat board frame 52 and the tilting rack 54 offers the power plant module that tilting rack 54 moves strength, tilting rack 54 rotates relatively, when being articulated and connected, be fixed on tilting rack 55 on the seat board 10, after each is articulated and connected with tilting rack 55 and seat board frame 52, to tilting rack 55 counterrotating angle boards 58.

Seat board frame 52 is installed in the upper end of described adjusting unit 35.

Power plant module uses oil pressure cylinder 56 in this example, and 1 grade of oil pressure cylinder 56 is fixed on the seat board frame 52 multistage being fixed on the hang plate 54.

Above the present grillage 52,1 grade of oil pressure cylinder 56 is fixed on carriage 52a, and the piston 56a of oil pressure cylinder 56 is fixed on the carriage 52a in this signal, and cylinder 56b is fixed on the tilting rack 54.

So oil pressure cylinder 56 applies strength toward tilting rack 54.

After one end 58a tilting rack 54 of angle board 58 punched, be articulated and connected with hang plate 55, other end 58b and seat board frame 52 are articulated and connected.With the other end 58 that is connected seat board frame 52 is the center, angle board 58 1 end 58a in the predetermined angular inward turning then be provided with.

Be installed near seat board 10 centers of gravity suitable rear end that is installed in seat board 10 of other end 58b, both user's center of gravity back the angle board 58 1 end 58a that are articulated and connected at hang plate 55 are suitable.

Can explanation in follow-up about stance adjustment unit 50, when the user was sitting in seat board 10, user's body weight was concentrated 58a at one end, moving of tilting rack 54 and simple declaration for convenience at this moment.

One end 58a of carriage below hang plate 55 and angle board 58 is articulated and connected, and the other end is connected with tilting rack 54 hinged 55a.

Tilting rack 54 comprises, with the waist-shaped hole 54a that seat board frame 52 relatively moves, and the lifting groove 54b of angle board 58 liftings, the carriage that oil pressure cylinder 56 is fixing.

In this illustrated embodiment,, when being installed in seat board frame 52 tops, seat board frame 52 is wrapped in order to relatively move with seat board frame 52.

So waist-shaped hole 54a is beaten in the side of tilting rack 54, lifting groove 54b beats in the above.

On the present grillage 52, allow tilting rack 54 relatively move, adjustment screw 60 is installed after beating waist-shaped hole 54a in present grillage 52 sides.

Adjust screw 60 and be fixed on the seat board frame 52, the side is equipped with waist-shaped hole 54a, forms waist-shaped hole on the opposite present grillage 52 with it, also can be fixed on tilting rack 54 adjusting screw 60, inserts seat board frame 52 adjusting screw 60 then.

Though hang plate 55 is diagram not, also might as well with the seat board table top 15 formation one of seat board 10.

Though do not illustrate, but can install and fix the fixedly lock of tilting rack 54 positions, fixing lock is installed on the seat board frame 52 mutually combine holder grillage 52 with tilting rack 54, also can be installed in fixing lock on the tilting rack 54 and mutually combine constant tilt frame 54 with seat board frame 52.Fixing here lock relatively moves the rotation of limited angular plate 58 according to what the power of oil pressure cylinder 56 suppressed tilting rack 54.

Below describe the operating process of correcting posture chair more in detail.

When being used as conventional chair and using with reference to Fig. 1 or Fig. 4.

When being used as the conventional chair use, seat board 10 is placed with ground level, and hang plate 55, tilting rack 54 and seat board frame 52 also horizontal direction are placed, the angle board 58 horizontal direction placement as far as possible of Connection Block grillage 52 and tilting rack 55.

When placing under seat board 10 levels, the strength of fixing lock is bigger than oil pressure cylinder 56, and seat board frame 52 and tilting rack 55 are tied together.

When seat board 10 is kept level, the state that tilting rack 54 past users' front end moves, be angle board 58 when putting with horizontal direction, the state of end 58a predetermined angular the place ahead direction rotation of angle board 58, tilting rack 54 is also kept the state that moves toward the place ahead direction dictates distance.

When being used as the conventional chair use, knee-pad 40 is folding toward central shaft C directions, prevents that user's pin is stuck.

The operating process of correcting posture such as with reference to figure 2 or Fig. 8.

The user removes fixing lock, when the stationary state of tilting rack 54 and seat board frame 52 is removed, moves for 20 li according to the past backrest of the motion tilting rack of oil pressure cylinder 56.

When in this schematic diagram the fixedly lock of oil pressure cylinder 56 being removed, piston 56a starts distance is dwindled, and is benchmark with central shaft C, and tilting rack 54 moves toward backrest 20 directions.

Along with moving of tilting rack 54, be articulated and connected and also draw close toward backrest 20 directions at hang plate 55 fore-ends of tilting rack 54.

At this moment, the hang plate 56 that past backrest 20 directions are drawn close, move under the state of restraining in the rear end of angle board 58, the front end of hang plate 55 moves toward the rear end, end 58a by the angle board 58 that relatively moves carries out relative rotation toward side rising, and hang plate 55 rises according to an end 58a of angle board 58.

By above process, hang plate 55 is kept identical height with the part that tilting rack 54 is articulated and connected, but the rear end rises, and rising on the rear end of seat board 10, the gradient by this operation handlebar seat board tilts toward front end.

Same as described above seat board 10 during toward top rake, the user's center of gravity that is sitting on the seat board 10 moves toward front end from central shaft C part.

The first arm of the knee-pad under the folded state 40, when second arm 4244 launches, rotation knee-pad back cushion 46, at this moment knee-pad back cushion 46 Fig. 2 show the same as user's one side, the user leans against on the knee-pad back cushion 46 knee is stressed, and at this moment the knee-pad back cushion supports the user's centre of body weight that moves forward.

According to Fig. 5 show the same, under the state that seat board 10 tilts, when the user leaned against knee-pad 40 to knee, the user slided from the seat board 10 that tilts in order to prevent, vertebra and health can be straight and upright, so just reached the effect that really corrects faulty sitting posture.

On seat board 10, be that benchmark tilts 5 ° or 45 ° with seat board frame 52, very favorable to posture correction.

Fig. 9 is the side view of the present invention's the 2nd signal legend knee-pad.

Words with reference to Fig. 9, knee-pad 140 is the same with the 1st illustrated embodiment in this illustrated embodiment, and the 1st, 2 arm 142144 and knee-pad back cushion 146 constitute, unique different be knee-pad 140 be installed on the seat board 10 launch, folding, optionally knee-pad is launched from seat board 10 according to user's demand.

On seat board, leave the accommodating groove that inserts the first arm 142 and second arm 144.

The first arm 142 is mobile a little accommodating groove, and the accommodating groove generation stuck phenomenon in seat board 10 inside prevents the overshoot distance.

144 pairs of the first arms of second arm 142 rotate relatively and are provided with, and when supporting user's knee, prevent the overshoot angle, influence each other with the first arm 142 in predetermined angular, form hinged structures.

Here second arm 144 can be inserted in accommodating groove, and when second arm 144 was taken in, second arm 144 slowly was inserted into accommodating groove after rotating with the first arm 142 equal angular.

The knee-pad back cushion 146 and second arm 144 are articulated and connected, and are that the relative rotation of benchmark is provided with second arm 144, transfer to form the angle that is fit to user's knee in second arm, 144 predetermined angular inward turnings.So knee-pad back cushion 146 forms the body weight that supports the user mutually in second arm 144 and predetermined angular, when taking in toward seat board 10 places, knee-pad back cushion 146 also moves for 10 li toward seat board under rotation status with the first arm 142 and second arm 144.

Below, remaining formation and the 1st illustrated embodiment are similar, describe in detail to omit.

Be described with reference to drawing of the present invention, the invention is not restricted to the illustrated embodiment that this detailed secretary is carried, in protection the technology of the present invention scope, the end user can be by various applied in any combination.

Claims

1, chair for correcting sitting posture comprises the seat board that install on support and support top, it is characterized in that: the correcting posture mechanism that the gradient of adjusting seat board is set between support and seat board.

2, chair for correcting sitting posture as claimed in claim 1, it is characterized in that: seat board frame and tilting rack are set on support, described correcting posture mechanism is fixedly mounted on the seat board frame or between seat frame and the tilting rack, tilting rack is moved power plant module that strength is provided and when the tilting rack predetermined angular done relative rotation and be articulated and connected, be fixed on the hang plate of seat, and hang plate and seat frame each be articulated and connected, comprise the angle board of counterrotating hang plate.

3, chair for correcting sitting posture as claimed in claim 2 is characterized in that: install to adjust screw between seat board frame and the tilting rack, adjust the side that screw is installed in seat board frame and tilting rack arbitrarily, make with opposite side take place related, guide tilting rack moving direction.

4, chair for correcting sitting posture as claimed in claim 2 is characterized in that: in power plant module, tilting rack and the seat board frame, with arbitrary fixing cylinder, do straight line according to the oil pressure of cylinder and move, tilting rack and seat board frame are fixed on the steam-cylinder piston that comprises of opposite side.

5, chair for correcting sitting posture as claimed in claim 2 is characterized in that: angle board is installed on the carriage center axle.

6, chair for correcting sitting posture as claimed in claim 2 is characterized in that: the part that is articulated and connected with tilting rack in hang plate, being installed in the carriage center axle is the front end of benchmark.

7, chair for correcting sitting posture as claimed in claim 2 is characterized in that: the part that is articulated and connected with angle board in hang plate, being installed in the carriage center axle is the rear end of benchmark.

8, chair for correcting sitting posture as claimed in claim 2 is characterized in that: according to the seat board of correcting posture institutional adjustment angle, being benchmark with the seat board frame forms 5 ° of gradient adjustment or 45 °.

9, chair for correcting sitting posture as claimed in claim 1 is characterized in that: correcting posture mechanism moves user's center of gravity toward front end, adjusts the gradient of seat board.

10, as claim 1 or 9 described chair for correcting sitting posture, it is characterized in that: rack-mount, the knee-pad of support user knee.

11, chair for correcting sitting posture as claimed in claim 10 is characterized in that: knee-pad can be folded on the support, comprises the knee-pad back cushion that support is done counterrotating arm and installed on arm.

12, chair for correcting sitting posture as claimed in claim 11 is characterized in that: the knee-pad back cushion rotates relatively arm and installs.

13, chair for correcting sitting posture as claimed in claim 10 is characterized in that: above-mentioned support comprises, the height that forms central shaft is regulated unit, and the plural base that central shaft is carried out radial installation, and its knee-pad is installed on the base extended line.

14, chair for correcting sitting posture as claimed in claim 10 is characterized in that: support is benchmark with the central shaft, comprises 3 bases of radial arrangement and tells and two pony sill knee-pads forming are installed between the pony sill from each base again.

15, as claim 1 or 9 described chair for correcting sitting posture, it is characterized in that: be installed on the seat board, install again and support user's knee knee-pad.

16, chair for correcting sitting posture as claimed in claim 15 is characterized in that: knee-pad can be folded on the seat board.