CN2245971Y

CN2245971Y - Chair

Info

Publication number: CN2245971Y
Application number: CN 95225819
Authority: CN
Inventors: 北见健治
Original assignee: SANYEI Corp TAIWAN Ltd
Current assignee: SANYEI Corp TAIWAN Ltd
Priority date: 1995-10-23
Filing date: 1995-10-23
Publication date: 1997-01-29
Anticipated expiration: 2005-10-23

Abstract

The utility model relates to a chair. The utility model provides auxiliary force for foot-driven debilitating aged people or people who have deformity on feet or waists to cause people to stand conveniently from the chair. The utility model has the structure that the chair is plugged with a spring which can act between a lower plate and a seat plate; the chair is provided with a seat part which is formed by the lower plate and the seat plate, and the lower plate is fixedly arranged on a body. The seat plate can be swung freely and stopped from the lower plate by the spring which is plugged with the end part of the seat plate, and a bent part of the spring is forwards projected out of the external side of the seat plate and the lower plate; meanwhile, a fixed seat face is accommodated in the seat part.

Description

Chair

This utility model is about the employed chair of common people, particularly about the employed chair of a class people of strength of one's legs such as old people decline.

Have movable seat portion at employed special chairs such as theater hall or proud Che Chenei and known the convenience when such chair has been considered to fold by common people.Distinguish that employed general chair then is a kind of fixed seat face that has in public chamber or the family, even for temporary transient movable chair or in order to relax the impact when taking one's seat, or in order to ensure the comfortable sense of taking one's seat, the seat body only has the structure that moves up and down a little under level when taking one's seat, or backrest constitutes the structure with identical front and back with seat face body.

But, generally speaking, when using the occasion of chair, when people stand from the state of taking one's seat, by the help of handrail,, to stand then on the one hand on the one hand successively with center of gravity migration front, this is the general order of standing.At this moment, bear the position of body wt and all drop on foot's integral body, especially the knee endoprosthesis part is more born bigger active force.

For healthy person, unlikelyly when the state of taking one's seat of chair is stood feel any discomfort, but for the people who recuperates in the people of strength of one's legs such as old man decline or the disease, then suffering from stands well imagines.In hospital, advanced age, the person waited when wheelchair is stood, and often can see that having the people to draw from patient's side holds up, the situation that help is stood from chair.

Because present aging society, particularly advanced age the person in daily life, for example, very easily ignore their inconvenience, the discomfort when chair is stood, or the pain that is manifested for the vigorous healthy person of muscle power.

See in the disease of plastic surgery's sufferer, with lumbago side by side more be problem about knee endoprosthesis, particularly in maximum in the high age be because the aging knee endoprosthesis symptom that causes.Generally speaking, when walking on the level land, need bear knee endoprosthesis the load of 4 times of about body weight, when stair activity, then need bear load (crooked approximately 50 degree of knee when going upstairs of 7 times of about body weight, then crooked about 65 degree when going downstairs), increase along with the age, cover soft of the cartilage of muscles or ossa articularia or joint bag etc. and organize the phenomenon that also has along with aging, this is the position that symptom worsens easily.Therapeutic Method will be avoided the action of overbending knee except that by regularly going the examination in hospital, and utilizes chair or the rectifications of moving in family life such as bed, sofa, makes knee can bear overcharge.

Chair is general daily living article, have can accommodate the seat cushion bottom than simple structure, will be more convenient if possess the state of taking one's seat and have the chair of the auxiliary force device that easy acquisition stands.And chair in nature, and when utilizing the isokinetic occasion of spring, for the body weight that can load about 30 kilograms to 80 kilograms, except that chair integral body, spring also must have enough intensity and persistency.For example, when using U font spring,, when promptly the stress of sweep is in the elasticity field, solve this problem, also must consider to be contained in structure, size medicated cushion under simultaneously, reach the restriction of intensity though can increase bending radius as far as possible in order to control U font part.And more the chair overall weight that contains spring must be limited in the degree that moves easily in the daily use.

In view of above-mentioned thing, this utility model provides this chair of a kind of chair must not use electric power such as battery under the state of taking one's seat, only need by manually the locking lever pull-up being untied from hook with one hand, utilize the effect of springback power, the chair of the auxiliary force that acquisition is stood from chair just can address the above problem.

For addressing the above problem, a kind of chair provided by the utility model adopts as following structure.It has seat support, backrest, chair foot and handrail, seat support is device effect spring between lower plate and seat plate two plates, can shake from lower plate by the spring that is inserted into the seat plate end and to give tying freely, make spring bending portion protrude in the seat plate and the lower plate outside forward, the seat face with set is contained in the portion simultaneously.

This utility model is exposed to the outside of seat plate and lower plate by the bending section with the U-shaped spring, and except that guarantee to increase its bending radius as far as possible, the Stress Control that sweep can be produced can promote its persistency simultaneously in the elasticity field simultaneously.

The chair that this utility model constitutes is untied the hook of seat plate bottom with singlehanded pull-up locking lever, because the elastic acting force of U-shaped spring can be circular-arc from face inboard, seat with the seat face of level and upspring towards the front side.About 45 degree when seat (empty) of the seat plate maximum inclination of upspringing.If when this state is taken one's seat, can relax the impact in the time of taking one's seat by the bounce of spring, make seat face maintenance level once again.By using the U-shaped spring, can not must use hinge can link lower plate and seat plate, and obtain simply and the chair with persistency structure of cracky not.

Illustrate that with reference to drawing an embodiment is as follows.

Fig. 1 is a chair overall perspective of the present utility model.

Fig. 2 is the upspring side view of state of seat.

Fig. 3 wants portion's expanded view for the upspring back side of back, seat.

Fig. 4 protrudes in lower plate and the seat plate outside forward for explanation spring bending portion and in the expanded view of the lateral major part of set state.

Chair of the present utility model shown in Figure 1, it comprise body foot 1, altitude mixture control with foot 2, handrail 3, backrest 4, seat plate 5, lower plate 6, U-shaped spring 7, bending section 8, distance piece 9, stop rod 10, hook 11, handle portion 12, table material 13.

As shown in Figure 1, four body feet 1 that constitute frameworks of chair body configuration, setting height(from bottom) is regulated with foot 2 in the body outside, and inserts from the outside and to wear bolt and make it overlapping with body foot 1.Altitude mixture control with foot 2 in corresponding to body foot 1 a plurality of screws of giving a farfetched interpretation, height that can the person of being used is done for example adjusting of four-stage.Install respectively with body foot 1 in four bights of lower plate 6, and an end limit portion that utilizes bolt and nut will be plugged in the U-shaped spring 7 between

seat plate

5 and 6 liang of plates of lower plate is simultaneously fixed.Utilize bolt and nut that the end limit portion of the opposite side of U-shaped spring 7 is fixed on the seat plate 5, install with locking lever 10 the side appropriate position of seat portion, and locking lever 10 can fasten with a hook 11, and under the state of untiing hook 11, utilize U-shaped spring 7 to support, make it and to fluctuate.If when using U-shaped spring 7, just needn't use coil spring and hinge, has chair simple in structure and that can use lastingly thereby form.

Obtain correct springback power for the person's of being used body weight, when using chair, need distinguish to some extent.In Fig. 3, the people that body weight is about 30 kilograms to 50 kilograms can use the example with 2 U-shaped spring 7 chairs as shown in Figure 3, and the people that body weight is about 50 kilograms to 80 kilograms then can use the chair with 3 U-shaped springs 7.

The selection of U-shaped spring 7 quantity has people's particular importance of obstacle for the light people of body weight or shank, waist.For example, when shank, waist have the people of obstacle to use,, then when chair is stood, can upspring and disequilibrium, increase the burden of shank, waist on the contrary, make severity of symptoms towards the place ahead if use the stronger spring of bounce.Therefore, when having the disabled to use, need process doctor's diagnosis and permission in advance.

Again as shown in Figure 4, when being plugged in U-shaped spring 7 bending sections 8 between seat plate 5 and the lower plate 6 usually, be the outside that its bending section 8 is exposed to seat plate 5 and lower plate 6.When not exposing the outside between seat plate 5 and the lower plate 6, must dwindle its bending radius as U-shaped spring 7 is inserted fully, so, because the strong pulling force that bending section 8 is produced causes the result who reduces persistency and bounce on the contrary.But according to this utility model, if during plug-in mounting U-shaped spring 7, because of the bending radius of two plate thickness of can extend seat plate 5 and lower plate 6, therefore with the situation of inserting U-shaped spring 7 fully relatively, can disperse the pulling force of bending section 8, and lifting endurance and bounce.

If during the material stainless steel of spring,, also can not destroy its aesthetic property though must not apply paint.

In order to make above the seat plate 5 seat cushion from the bending section 8 of U-shaped spring 7 to preceding outstanding part, can freely show from the seat plate 5 and take off, available table material 13 coverings of making as the propylene cloth of nylon fastener belt, and the medicated cushion between seat plate 5 and the table material 13 can be made as the buffering material with polyamine fat vacuole foam.Convenient for bale packing, backrest 4 can arbitrarily rotate and temporary transient fixing front and back before combination, and when chair uses, utilizes the bolting bottom to make itself and two body feet 1 of rear side roughly be the state of vertical inscribe.The backing cushion of backrest 4 also can be made with the medicated cushion same material on the seat plate, and makes on this backing cushion and can show the nylon fastener belt that takes off freely, and covers with propylene cloth table material 13.

According to shown in Figure 3, be provided with hook 11 below the seat plate 5, clavally stop rod 10 corresponding to be above the lower plate 6 of closing on the position with stopping rod 10, to be provided with two pedestal 14 rotatably supports on lower plate 6 in hook 11.Stop the both ends or the right part of rod 10, form and the handle portion 12 that stops excellent 10 interlocks.And stop rod 10 form near lower plate 6 substantial middle can with hook 11 below the seat plate 5 be the part of closing its be shaped as inverted " recessed " font, simultaneously, expose lower plate 6 and seat plate 5 left and right sides portion or right sides for handle portion 12 can being operated, being made under the people takes one's seat state.

Seat plate 5 links up with 11 and stop under rod 10 the tying state when the people takes one's seat, promptly under lock-out state, with the lower plate 6 the same approximate horizontal that keep, but handle from the state of operation front of taking one's seat, untied hook at 11 o'clock from stopping rod 10, as shown in Figure 2, seat plate 5 is that standard shaft is spent (during empty seat) with circular arc maximum inclination about 45 with the bending section 8 of U-shaped spring 7, and upsprings to chair the place ahead.Be sitting in people on the chair if both hands are placed correct status on the handrail 3, load can bear in foot particularly knee, and can be by bounce the standing from chair of U-shaped spring 7.

When user is stopping excellent 10 tyings and is taking one's seat under hook 11 state, seat plate 5 is the level of state, but when hook 11 from stopping rod 10 when untiing, if will be when seat plate 5 states of upspringing are taken one's seat, can utilize the bounce of U-shaped spring 7 to relax the impact when taking one's seat and take one's seat.In order to make seat plate 5 maintenance levels, be provided with the distance piece 9 that vulcanie is made above the lower plate 6, once seat plate 5 descends, can with distance piece 9 apical graftings, seat plate 5 stably can be remained on the horizontal level.

As mentioned above, this utility model also can be used in for example automobile chair etc. except the chair of daily general use, also can bring into play effect of sufficient.

This utility model is according to above formation, can be by the U-shaped spring bending portion that is exposed to seat plate and lower plate outside, and when guaranteeing its maximum bending radius, the Stress Control that sweep is produced is in the elasticity field, to promote its persistency.

For the weak old man of general strength of one's legs, use chair to take one's seat and stand in order to make it easily at daily life, the decline of strength of one's legs in the time of can helping to increase along with the age.For the knee disabled, if obtain doctor's permission for its symptom, it becomes easily in taking one's seat and standing of chair, also can expect it keeps utensil as health effectiveness.

More than describe this utility model in detail, in addition to the implementation, as long as under the purport that does not break away from claim scope of the present utility model, can do various changes and application textural.

Claims

1. chair, it is characterized by and have by lower plate that is bonded to body and seat portion that seat plate forms, interleave shock mount in lower plate and seat plate two plates, but by the spring tying seat plate that is contained in the seat plate end and can make it to shake freely from lower plate, the bending section of spring protrudes in the outside of seat plate and lower plate forward, and the seat face of set is contained in seat portion.