CN2356581Y - Chair back cushion regulator - Google Patents

Abstract

The utility model relates to a kind of Cushion for back of chair to adjust structure, and back cushion is set to below the chair back, and upper and lower two sides have backward and towards the convex extension part that center arcuate is destroyed or force to yield, and convex extension part is in opposite two-by-two and is equipped with long hole, supply

The both ends of type place respectively, type frame bottom end and back cushion are affixed, the bottom end of back cushion upwardly extends a support plate and the accommodation groove on corresponding back cushion top has a spacing, conduit can be fastened to hold above support plate for the protrusion of conductor wire end and be fixed in accommodation groove, conducting wire is controlled by the rotation of adjustment knob enables support plate pull back cushion top through conducting wire, makes back cushion top stress and opposite

Type frame slides the waist that support human body sitting posture is used to form bending.

Description

The Cushion for back of chair adjusting device

The utility model provides a kind of Cushion for back of chair adjusting device.

Seat is to be the most relevant with people's pattern of activity in a daily life product, and the foot and the health that can make us by the action of " seat " obtain the suitable effect of releiving, and reaches the purpose of rest or convenient work.Therefore seat has various form by the difference of application target, occasion and presents, such as office chair, leisure chaise longue, driver's seat or the like, all be seat special with specific use, yet though these seats in structure, ergonomically principle designs and improves its comfortableness in shape.But owing under everyone height, influence that the bodily form can be not identical, just have following deficiency:

Designed though one, at present many seat design, can adapt to the demand of ergonomics, but structure that is presented or shape are made according to the certain standard data, so often cause in the use must be that seat appearance by the user goes to cater to seat configuration, otherwise under the different influence of the bodily form, height condition, can't go to experience the effect of ergonomic designs at all, easily cause the bad problem of user's seat appearance to produce.

Two, owing to can't finishing with normal seat appearance at all, most user make body portion that the back contacts fully with the chair back entirely, so the user lies when leaning against the chair back with its back, its waist all is to become not to be subjected to the vacant state that supports usually, therefore the user in use for some time the most incidental situation be that the phenomenon that waist is ached produces, impact job morale, the low significant problem of the power to think.

The purpose of this utility model is to provide a kind of bodily form, height that can adapt to the people to make the Cushion for back of chair adjusting device of suitably adjusting, and to solve the vacant state that waist that prior art exists is not supported, easily produces waist shortcoming such as ache.

The purpose of this utility model is achieved in that

A kind of Cushion for back of chair adjusting device, mainly by back cushion, _ the type frame, adjust button and lead is formed, it is characterized in that:

Back cushion: be the plate body design of curved arc slightly forward of a pliability and plate face, thereon, both sides have backward and towards the convex extension part that central arc is destroyed or force to yield down, this convex extension part is in twos relatively form and offers slotted hole; And in addition have a connecting portion of offering screw to next in both sides, place, bottom; And then extended upward a gripper shoe at the centre rear, its gripper shoe top is L type design and the slot that offers band post hole, two ends of taking advantage of a situation is formed, the plate body top then be have open-work in succession cell body storage tank with above the post hole corresponding;

_ type frame: by being placed through the two ends that are Jiong type section deckle board and being formed, and on deckle board, have the hole of corresponding screw with _ type bar;

Adjust button: cover the button body relatively by the button lid, and the button body is the rail mounted slip via screwed pipe and central siphon and links to each other with lead, button body central authorities tank inside from top to bottom is the annulus portion hexagon ring of ining succession, the screwed pipe tip exterior then is the constriction ring portion hexagon prism of ining succession, the button body combines with screwed pipe, and has a constriction ring portion in addition in the bottom screw outside, and drive link is the screw-rod structure that is screwed into screw, and the solid block of end of thread cover forms I type screw rod to be restricted in the screw, the both sides of drive link bottom nut head have respectively and protrude out salient point and a plane is connected in the appearance hole of offering at the screw thread place via seam in addition, central siphon then is that the constriction pipe is extended in a hollow tube bottom, and extend via the effective tool sealing of constriction and to be a perforate on the hollow tube, in the perforate both sides and the rear then be that planar portions is for the pipe clamp clamping, hollow tube top inner edge has annulus portion, and the inside pipe wall both sides then are a groove and plane for corresponding drive link, the button body can be corresponding with screwed pipe affixed, and the constriction ring portion of screwed pipe and central siphon annulus portion fit articulate, and the protuberance of lead one end is via sealing, perforate and receive into seam, hold in the hole and fix, and with the pipe clamp clamping;

By above-mentioned member, order _ type frame _ the type bar places respectively on the back cushion both sides, the slotted hole of below, and impel back cushion affixed via screw and deckle board with its linking part, and then advance and fix in storage tank along slot after the protuberance of end penetrates via the post hole below the gripper shoe in addition with lead again, and make the conduit outside the lead fasten in last square column hole, the protuberance that impels conduit and storage tank is relative status linearly, connect to establish behind the sleeve pipe and outwards bend in the both ends of general _ type bar this moment again, and the deckle board of back cushion, place, below, Chair back inside is fixed at _ type bar place, combine with seat via pipe clamp and will adjust button, and then pull by the turn of adjusting button, loosen lead, make the back cushion top changed by wire tension and relatively _ the type bar slides, bending.

The purpose of this utility model can also further be realized by following technological means:

Aforesaid Cushion for back of chair adjusting device, the plate body of back cushion is provided with air-vent.

Advantage of the present utility model and the effect that obtains:

One, owing to back cushion is to have through adjusting the adjustment that button control produces different bending degrees, so still can be after manufacturing is finished and adapted to via adjustment process according to the different bodily form of user, height, therefore the ergonomic efficiency that produces can meet each user's demand, no longer makes the user must change an appearance and the seat of condescending to take this post.

Two, design of the present utility model is to take shape in chair back below, so when back cushion bends via the adjustment of adjusting button when protruding out, can replace the human body waist really and provide support power, prevent that the user from causing the situation of aching because waist is unsettled, provide the user to reach good comfortable effect.

Below in conjunction with Figure of description and embodiment the utility model is elaborated.

Description of drawings:

Fig. 1 is a structure chart of the present utility model;

Fig. 2 adjusts the structure chart of button for the utility model;

Fig. 3 is composition state diagram of the present utility model;

Fig. 4 is an enforcement schematic diagram of the present utility model;

Fig. 5 is that of the present utility model another implemented schematic diagram.

The figure number explanation:

1 ... back cushion 11 ... the convex extension part

12 ... slotted hole 13 ... gripper shoe

14 ... slot 15 ... the post hole

16 ... storage tank 17 ... connecting portion

18 ... screw 19 ... the hole

2 ... _ type frame 21 ... _ type bar

22 ... deckle board 23 ... the hole

3 ... adjust button 31 ... the button lid

32 ... button body 321 ... tank

322 ... annulus portion 323 ... hexagon ring

33 ... screwed pipe 331 ... the constriction ring portion

332 ... hexagon prism 333 ... screw 334 ... constriction ring portion 34 ... drive link

341 ... nut head 342 ... salient point

343 ... hold hole 344 ... seam

35 ... central siphon 351 ... hollow tube

352 ... constriction pipe 353 ... sealing

354 ... perforate 356 ... planar portions

36 ... pipe clamp 4 ... lead

41 ... protuberance 42 ... conduit

5 ... sleeve pipe 6 ... seat

61 ... the chair back 62 ... seat cushion

As shown in Figure 1, be a kind of Cushion for back of chair adjusting device of the present utility model, mainly by back cushion 1, _ type frame 2, adjust button 3, lead 4 is formed, wherein:

Back cushion 1: be the plate body design of curved arc slightly forward of a pliability and plate face, thereon, both sides have backward and towards the convex extension part 11 that central arc is destroyed or force to yield down, this convex extension part 11 is in twos relatively form and offers slotted hole 12,17; And in addition have a connecting portion of offering screw 18 to next in both sides, place, bottom; And then extended upward a gripper shoe 13 at the centre rear, its gripper shoe 13 tops are L type design and the slot 14 that offers band post hole, two ends 15 of taking advantage of a situation is formed, the plate body top then be have open-work in succession cell body storage tank 16 with above post hole 15 corresponding;

_ type frame 2: by being placed through the two ends that are Jiong type section deckle board 22 and being formed, and on deckle board 22, have hole 23 (see figure 3)s of corresponding screw 18 with _ type bar 21.

Adjust button 3: as shown in Figure 1, 2, cover button body 32 relatively for covering 31, and button body 32 links to each other with central siphon 35 via screwed pipe 33 by button; Drive link 34 in the screwed pipe 33 then is to be rail mounted with central siphon 35 to slide to pull lead 4 as regulating back cushion usefulness.Button body 32 central tanks 321 inside from top to bottom are annulus portion 322 hexagon ring 323 of ining succession, screwed pipe 33 tip exterior then are constriction ring portion 331 hexagon prism 332 of ining succession, for button body 32, screwed pipe 33 combinations, and has a constriction ring portion 334 in addition in bottom screw 333 outsides, and drive link 34 is for being screwed into the screw-rod structure of screw 333, and the solid block of end of thread cover forms I type screw rod to be restricted in the screw 333, the both sides of drive link 34 bottom nut heads 341 have the salient point of protruding out 342 and a plane respectively and are connected in the screw thread place via seam 344 and offer and hold 343 places, hole, central siphon 35 then is that constriction pipe 352 is extended in a hollow tube 351 bottoms, and open sealing 353 and extend via constriction pipe 352 and be a perforate 354 on the hollow tube 351, in perforate 354 both sides and the rear then be that planar portions 356 is for pipe clamp 36 clampings, and these hollow tube 351 top inner edges have annulus portion 355, and the inside pipe wall both sides then are the design on a groove and plane for corresponding drive link 34, to impel the button body 32 can be corresponding affixed with screwed pipe 33, and the constriction ring 334 of screwed pipe 33 must articulate with central siphon 35 annulus portions 355 fits, and the protuberance 41 of lead 4 one ends is able to via sealing 353, perforate 354 and receive into the seam 344, hold in the hole 343 fixing, and clamping with pipe clamp 36, thereby can be when relative central siphon 35 turns of button body 32, because of drive link 34 is done in central siphon 35, lower slider is track type movement to pull lead 4.

As shown in Figure 3, by above-mentioned member, order _ type frame 2 _ type bar 21 places respectively on back cushion 1 both sides, the slotted hole 12 of below, and impel back cushion 1 affixed via screw and deckle board 22 with its linking part 17, and then again Dou lead 4 in addition the protuberance 41 of end penetrate the back via the post hole 15 of gripper shoe 13 belows and advance and fix storage tank 16 in (an end protuberance 41 of lead 4 has been connected with in adjustment button 3) along slot 14, and make lead 4 outer conduits 42 fasten in last square column hole 15, the protuberance 41 that impels conduit 42 and storage tank 16 is relative status linearly, the both ends of general _ type bar 21 connect and establish the outwards bending of sleeve pipe 5 backs more at this moment, and back cushion 1 is utilized deckle board 22, _ type bar 21 ends are fixed in the below, the chair back 61 inside of seat 6 and partly (can partly insert admittedly between the chair back 61 and seat cushion 62 deckle board 22 of back cushion 1 bottom or directly locking, and make _ type bar 21 and the chair back 61 solid weldings, the lock because of or hook all can admittedly, because the technology that back cushion 1 is fixed on the chair back 61 is that existing general known technology can be implemented, institute is so that repeat no more), and and will adjust button 3 and consolidate via pipe clamp 36 spiral shells and get final product in the appropriate location of seat 6.

As shown in Figure 4, when the utility model was done concrete enforcement, because back cushion 1 is the plate face flexible gonosome of curved arc slightly forward, and the upper end kept slidably state via slotted hole 12 with _ type bar 21, so when the user draws location lead 4 via the rotation of adjustment button 3; Because gripper shoe 13 fastens conduit 42, and back cushion 1 top is subjected to a downward pulling force stopper, the action that so back cushion 1 will present downwards, bend forward (otherwise: will adjust button 3 backward rotation again, can make back cushion 1 reply more upright state), the radian that makes back cushion 1 present is changed, therefore the user just can adjust because of the difference of individual's the bodily form, height and back radian in the use voluntarily, makes back cushion 1 can support the limb portion of human body, reaches the comfortable effect of ergonomics.

Moreover, as shown in Figure 3, can be provided with hole 19 on the plate body of this back cushion 1, use the enhancement gas permeability.And on the scope of application, can be applicable to various seats 6 with the chair back 61 designs, as office chair or driver's seat etc., have sizable scope of application.

Claims (2)

1, a kind of Cushion for back of chair adjusting device, mainly by back cushion, _ the type frame, adjust button and lead is formed, it is characterized in that:

Back cushion: be the plate body design of curved arc slightly forward of a pliability and plate face, thereon, both sides have backward and towards the convex extension part that central arc is destroyed or force to yield down, this convex extension part is in twos relatively form and offers slotted hole; And in addition have a connecting portion of offering screw to next in both sides, place, bottom; And then extended upward a gripper shoe at the centre rear, its gripper shoe top is L type design and the slot that offers band post hole, two ends of taking advantage of a situation is formed, the plate body top then be have open-work in succession cell body storage tank with above the post hole corresponding;

_ type frame: by being placed through the two ends that are Jiong type section deckle board and being formed, and on deckle board, have the hole of corresponding screw with _ type bar;

Adjust button: cover the button body relatively by the button lid, and the button body is the rail mounted slip via screwed pipe and central siphon and links to each other with lead, button body central authorities tank inside from top to bottom is the annulus portion hexagon ring of ining succession, the screwed pipe tip exterior then is the constriction ring portion hexagon prism of ining succession, the button body combines with screwed pipe, and has a constriction ring portion in addition in the bottom screw outside, and drive link is the screw-rod structure that is screwed into screw, and the solid block of end of thread cover forms I type screw rod to be restricted in the screw, the both sides of drive link bottom nut head have respectively and protrude out salient point and a plane is connected in the appearance hole of offering at the screw thread place via seam in addition, central siphon then is that the constriction pipe is extended in a hollow tube bottom, and extend via the effective tool sealing of constriction and to be a perforate on the hollow tube, in the perforate both sides and the rear then be that planar portions is for the pipe clamp clamping, hollow tube top inner edge has annulus portion, and the inside pipe wall both sides then are a groove and plane for corresponding drive link, the button body can be corresponding with screwed pipe affixed, and the constriction ring portion of screwed pipe and central siphon annulus portion fit articulate, and the protuberance of lead one end is via sealing, perforate and receive into seam, hold in the hole and fix, and with the pipe clamp clamping;

By above-mentioned member, order _ type frame _ the type bar places respectively on the back cushion both sides, the slotted hole of below, and impel back cushion affixed via screw and deckle board with its linking part, and then advance and fix in storage tank along slot after the protuberance of end penetrates via the post hole below the gripper shoe in addition with lead again, and make the conduit outside the lead fasten in last square column hole, the protuberance that impels conduit and storage tank is relative status linearly, connect to establish behind the sleeve pipe and outwards bend in the both ends of general _ type bar this moment again, and the deckle board of back cushion, place, below, Chair back inside is fixed at _ type bar place, combine with seat via pipe clamp and will adjust button, and then pull by the turn of adjusting button, loosen lead, make the back cushion top changed by wire tension and relatively _ the type bar slides, bending.

2, Cushion for back of chair adjusting device as claimed in claim 1, it is characterized in that: the plate body of back cushion is provided with air-vent.

Images