CN2643747Y - Chair with fore-and-aft gradient controlled structure - Google Patents
Chair with fore-and-aft gradient controlled structure Download PDFInfo
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- CN2643747Y CN2643747Y CN 03274496 CN03274496U CN2643747Y CN 2643747 Y CN2643747 Y CN 2643747Y CN 03274496 CN03274496 CN 03274496 CN 03274496 U CN03274496 U CN 03274496U CN 2643747 Y CN2643747 Y CN 2643747Y
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- seat board
- chair
- support
- frame
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Abstract
The utility model discloses a chair with an obliquity adjustable sitting plate. The utility model mainly consists of chair feet and a sitting plate. The utility model is characterized in that the upper part of the chair feet is provided with a bracket which is connected with the sitting plate; the bracket is provided with a horizontal surface or nearly a horizontal surface frame; moreover the utility model is added with a sitting plate turning device and a sitting plate swing device to limit the obliquity of the sitting plate; the sitting plate turning device is respectively connected with the frame of the sitting plate and the bracket to make the sitting plate ream connect with the frame of the bracket; and the sitting plate swing structure is positioned between the sitting plate and the bracket. The utility model has the advantages as follows:(1) The utility model can well meet the demands of the natural pitch of the body when people works at a table and people is not easily tired;(2) The utility model can realize the pitch working or leaning back rest posture when the gravity center of the chair moves forward or backward; and the utility model is very convenient and safe and steady;(3) The utility model can avoid the damage to the chair and floor when people change the pitch and leaning back posture;(4) The utility model has a simple structure and is economic.
Description
Technical field
The present invention relates to a kind of chair, relate to particularly and a kind ofly adapt to human body sitting posture custom, make that the people is tireless regulates the chair that seat board tilts forward and back angle.
Background technology
In the prior art, the seat board of conventional chair generally is a level and fixing.Yet through discovering of ergonomics, the people is sitting in when bending over one's desk working on the chair, and health tends to nature and leans forward, and this posture is easy to make the people to concentrate on, and health is accustomed to hypsokinesis and is relied on the chair back during rest, to loosen health.Therefore, chair seat board fixed angle, the needs that health leans forward naturally in the time of can not satisfying the people well and bend over one's desk working lean forward as need, just need firmly chair to be tilted, with the front chair leg is support, and back chair pin lifts, and can have following problem like this: (1) makes people's fatigue easily, because the people is in the process that makes chair two back chair pin perks, except front chair leg supported, people's both legs need cooperate with front chair leg made the chair balance, and people's whole body can be in a kind of state of anxiety virtually.(2) damage chair easily,, make the stressed position that concentrates on front chair leg and be connected of chair, therefore, also make the above-mentioned position of chair be easy to loosening falling apart with seat board because have only the situation of front chair leg support.(3) dangerous, because chair bipod single line supports,, have very big destabilizing factor by total balance of the body, as not noting, be easy to the people and face upward chair and turn over.(4) easily damage is caused on ground, under the situation that modern life environment improves day by day, a lot of indoor laying timber floors, the timber floor quality is softer, and the chair pin of being concentrated by this gravity extrudes pit easily, thereby damages the floor.In addition, not all chair can both be realized above-mentioned inclination, the chair of collapsible chair pin, and the outer bigger chair of gradient of chair pin, the big inadequately chair of chair pin spacing, perhaps unipods chair etc. all is difficult to tilt.
At present, having has the custom of leaning forward and the stool of breaking original chair notion of design when bending over one's desk working at the people, the seat board that wide-angle leans forward and the knee bolsters of corresponding knee constitute complicated stool structure, its defective is (1) complex structure, there is higher requirement in size, orientation between stool and the knee bolsters, make the manufacturing cost of stool higher; (2) work of going into to bend over the desk generally can not only be kept a kind of posture, and people always work, have a rest and hocket, and the conversion of posture is also just inevitable, and therefore, this suitable stool of keeping forward lean just can not satisfy people's the common state of bending over one's desk working.
The utility model content
The purpose of this utility model is to provide a kind of and adapts to human body sitting posture custom, makes that the people is tireless regulates the chair that seat board tilts forward and back angle.
The purpose of this utility model is achieved by the following technical programs: it mainly is made of chair pin, seat board, it is characterized in that: be provided with the support that is connected with seat board on chair pin top, have a horizontal plane on the support or near the frame-saw of horizontal plane; In addition, also set up the seat board amplitude of oscillation structure that a seat board tumbler and restriction seat board angle tilt, the seat board tumbler is connected with frame-saw on the support with seat board respectively, and seat board is hinged on the frame-saw of support, and seat board amplitude of oscillation structure then is arranged between seat board and the support.
Seat board tumbler described in the utility model adopts linkwork, and described linkwork can have multiple mode, is exemplified below (but being not limited to for example):
One of described linkwork scheme: linkwork is made of jointed shaft, 2 hinged seats with hinged axis hole at least, wherein, at least one hinged seat is fixed on the seat board bottom surface, another hinged seat is positioned on the support, pass the axis hole of above-mentioned hinged seat by jointed shaft, seat board is hinged on the support.
Two of described linkwork scheme: linkwork is made of jointed shaft, hinged seat with hinged axis hole, wherein, jointed shaft is fixed on the seat board bottom surface, and at least one hinged seat that is enclosed within on the jointed shaft correspondingly is connected with support, and seat board is hinged on the support.Perhaps jointed shaft is fixed on the support, and at least one hinged seat that is enclosed within on the jointed shaft correspondingly is connected with the seat board bottom surface, and seat board is hinged on the support.
Three of described linkwork scheme: linkwork is made of with the nextpage sheet jointed shaft, the page or leaf sheet of going up that connects as one by jointed shaft, and is used for fixing that the page or leaf sheet is " U " font of common point formation traverse with the jointed shaft with the nextpage sheet that is used for fixing on support on the seat board bottom surface.
Seat board tumbler described in the utility model and seat board amplitude of oscillation structure can also adopt following structure: described seat board tumbler and seat board amplitude of oscillation structure are integrated, promptly constitute by semi-annular shape articulated body and the swivel pin that is fixed on the support, articulated body upper edge annulus has at least two arc chutes, the end face of articulated body is fixed on the seat board bottom surface, arc chute on it is enclosed within on the swivel pin, the arc chute of articulated body can be under the effect of external force, making articulated body drive seat board sliding on the swivel pin rotates on support limitedly, realizes that the seat board adjusting tilts forward and back the purpose of angle.
Described seat board tumbler and seat board amplitude of oscillation structure can also adopt following structure: seat board tumbler and seat board amplitude of oscillation structure are integrated, promptly by its end face be fixed on seat board bottom articulated body, open arc chute, open at least two on the articulated body parallel connected arc chutes and the swivel pin that is fixed on the support and constitute at least two on the articulated body parallel connected band knuckle-tooth, described arc chute is enclosed within respectively on the swivel pin, regulates the purpose that tilts forward and back angle and height to realize seat board.
Seat board amplitude of oscillation structure described in the utility model is to cooperate the concrete structure of seat board size and seat board tumbler thereof and set: because seat board tilts forward and back angle and generally is advisable between 3～30 °, angle is too little, acts on not obvious; Angle is too big, is difficult to when leaning forward occupy stably, and therefore seat board amplitude of oscillation structure need be set, and seat board is tilted forward and back angle be limited in the suitable angular range:
1. can cover on the frame-saw of support when seat board, then seat board amplitude of oscillation structure and frame-saw zoarium, promptly seat board amplitude of oscillation structure is exactly a frame-saw, and frame-saw plays the position-limiting action of seat board simultaneously, stops that seat board does the more rotation of wide-angle.
2. can not cover on the frame-saw of support when seat board, described seat board amplitude of oscillation structure can be that blend stop laterally is installed on the front and rear of frame-saw, makes can be subjected to blend stop when seat board is forward and backward to incline and stop; Or block, be separately positioned on the front and rear both sides of seat board bottom surface, make when seat board is forward and backward to incline, ride on the frame-saw by block, the restriction seat board is rotated further.
The described chair pin of this practical portion type can be respectively be made of the chair foot rest of two " door " fonts, the support that its top has is a quadra, the frame-saw that has on the support, open at least two perforation successively on the same position of four vertical frames of frame-saw, two chair foot rests are fixed on the both sides of frame-saw by being through screw bolt and nut in the perforation; A seat board frame that has at least two perforation respectively is installed in the frame-saw both sides, described seat board tumbler adopts linkwork, it is made of jointed shaft, hinged seat with hinged axis hole, wherein, in the present grillage perforation of the two ends crosswise fixed of jointed shaft, two hinged seats that are enclosed within on the jointed shaft correspondingly are connected with the seat board bottom surface, so that seat board can also can regulated the angle that tilts forward and back in the height up and down; Support is fixed on the both sides of frame-saw by being through screw bolt and nut in the perforation, described seat board amplitude of oscillation structure and support zoarium, and promptly seat board amplitude of oscillation structure is exactly a support.
Described chair pin can also be " X " shape folding, lobed block on the chair pin, between the chair pin of front and back the dentation chute that is complementary with block is installed, the frame-saw bottom has and the corresponding locating slot that brings to few two deep-slotted chip breakers of chair pin, by the angle between chair pin before and after regulating, with regard to the height of adjustable chair, seat board amplitude of oscillation structure is that block laterally is installed on the front and rear both sides of seat board bottom surface.
A kind of chair of the present utility model compared with prior art has the following advantages: (1) can regulate seat board tumbler and the seat board amplitude of oscillation structure that seat board tilts forward and back angle owing to having increased on common chair, the needs that health leans forward naturally in the time of satisfying the people well and bend over one's desk working, health need not be controlled the balance of chair, so indefatigability; (2) need only center of gravity and move with regard to realizing the work of leaning forward, back by resting guard to front or rear, very convenient; (3) avoid the leaning forward of people's seat period of the day from 11 p.m. to 1 a.m, after the posture conversion of leaning on cause the damage of chair; The destabilizing factor that the bipod single line supports when (4) having solved original chair and lean forward, chair of the present utility model leans forward and is only limited to the rotation of seat board, and the chair pin is motionless, so safety and firmness; (5) can not cause damage to ground; (6) can make multiple chair realize that seat board tilts forward and back the adjustable purpose of angle, comprise chair that faldstool, chair, chair pin spacing that the outer gradient of chair pin is bigger are big inadequately and unipods chair etc.; (7) simple in structure, economical and practical.
Description of drawings
Fig. 1 is the main pseudosection of the utility model embodiment 1 seat board hypsokinesis;
Fig. 2 is the main pseudosection that the utility model embodiment 1 seat board leans forward
Fig. 3 is Fig. 1,2 upward view;
Fig. 4 is the main pseudosection of the utility model embodiment 2;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the main pseudosection of the utility model embodiment 3;
Fig. 7 is the main pseudosection of the utility model embodiment 4;
Fig. 8 is the main pseudosection of the utility model embodiment 5;
Fig. 9 is the upward view of Fig. 8;
Figure 10 is the main pseudosection of the utility model embodiment 6;
Figure 11 is the upward view of Figure 10;
Figure 12 is the main pseudosection of the utility model embodiment 7;
Figure 13 is the upward view of Figure 12;
Figure 14 is the main pseudosection of the utility model embodiment 8;
Figure 15 is the upward view of Figure 14.
The specific embodiment
The utility model will be further described below in conjunction with drawings and the specific embodiments.
The chair that Fig. 1, Fig. 2, the seat board regulated shown in Figure 3 tilt forward and back angle is embodiment 1 of the present utility model, it by chair pin 1, seat board 2, the chair back 4, be located at the seat board amplitude of oscillation structure that chair pin 1 top and the support 3 that is connected with seat board, seat board tumbler 5 and restriction seat board angle tilt and constitute, wherein, seat board 2 is conjuncted with the chair back 4, support 3 comprises the rectangle frame-saw 3a of two accumbency " day " font bogie side frame 3b and level, both ends by frame-saw 3a dual side-edge frame are fixed as one by connector and bogie side frame 3b, make two bogie side frame 3b be positioned at the both sides of frame-saw 3a; Article four, the chair foot rest of two " door " fonts of the conjuncted formation in two ends, bogie side frame 3b bottom surface in 1 fen left and right sides of chair pin and the support 3, on the seat board frame 3b ' that is had in the middle part of the bogie side frame 3b of support 3, have three hinged axis hole 3b that are used for the seat board installation of differing heights up and down "; correspondingly on the frame of bogie side frame 3b both sides, also have three fixedly connected hole 3a that are used for frame-saw 3a installation of differing heights up and down ", can regulate the height up and down of seat board 2, with the requirement of people's seat of adapting to differing heights; Described seat board tumbler 5 adopts linkwork, it is made of jointed shaft 5a, hinged seat 5b with hinged axis hole, wherein, the hinged axis hole 3b of the present grillage 3b ' of the two ends crosswise fixed of jointed shaft 5a " in; two hinged seat 5b that are enclosed within on the jointed shaft 5a are connected with seat board 2 bottom surfaces; seat board 2 is hinged on the support 3, so that seat board can be regulated the angle that tilts forward and back.
Because seat board 2 can cover on the support 3, so seat board amplitude of oscillation structure and support 3 zoariums, promptly seat board amplitude of oscillation structure is exactly a support 3, and the frame-saw 3a front and back frame of support 3 plays the position-limiting action of seat board 2 simultaneously, stops that seat board 2 does the more rotation of wide-angle.
When the people is sitting in when bending over one's desk working on the chair, forward lean, center of gravity moves to the front portion of seat board 2, driving seat board 2 is that benchmark rotates forward with the jointed shaft, when seat board 2 goes to about 10 °, can be blocked by the front bezel of support 3 and stop operating, at this moment, seat board 2 leans forward with the human body natural, and making bends over one's desk working is not easy fatigue; When the needs rest, the human body hypsokinesis, the moving seat board 2 of shipper pole is that back frame that benchmark rotates back to support 3 blocks and stops operating with jointed shaft 5a after the center of gravity, about 8 ° of seat board 2 hypsokinesis at this moment, the people just can cosily lean against on the chair back and have a rest.
Fig. 4, the chair that the seat board regulated shown in Figure 5 tilts forward and back angle is embodiment 2 of the present utility model, it is by chair pin 1, the chair back 4, support 3, seat board tumbler 5 and seat board amplitude of oscillation structure constitute, its chair pin 1, the chair back 4, support 3 disjunctors become " S " chair frame, this moment, support 3 was reduced to the rectangle frame-saw 3a of basic horizontal, two disjunctor chair framves are by the plane frame-saw 3a of support, the chair foot bottom connecting rod (figure does not have demonstration) and the chair back are connected to integral body, seat board tumbler 5 is a linkwork, by jointed shaft 5a, the upward page or leaf sheet 5b and the nextpage sheet 5c that connect as one by jointed shaft 5a constitute, jointed shaft 5a crosswise fixed is the level frame part at two chair frame middle parts at the side frame of frame-saw 3a, nextpage sheet 5c one end is hinged on the jointed shaft 5a, the other end is fixed on the front bezel of frame-saw 3a, two are used for fixing on seat board 2 bottom surfaces page or leaf sheet 5b is " U " font of common point formation traverse with jointed shaft 5a with a nextpage sheet 5c who is used for fixing on support 3, its seat board amplitude of oscillation structure also with support 3 zoariums, blend stop 6a and 6b be respectively frame-saw 3a before, back frame is the part of frame-saw 3a.When the people is sitting in when bending over one's desk working on the chair, forward lean, center of gravity moves to the front portion of seat board 2, page or leaf sheet 5b and seat board 2 rotate forward along jointed shaft 5a in the drive, when seat board 2 goes to a page or leaf sheet 5b when being blocked by blend stop 6a, last page of sheet 5b stops operating, and seat board 2 leans forward with the human body natural, making bends over one's desk working is not easy fatigue, when the needs rest, the human body hypsokinesis is when page or leaf sheet 5b and seat board 2 rotates back to and blocked by blend stop 6b in the drive, seat board 2 suitable hypsokinesis, the people just can cosily lean against on the chair back 4 and have a rest.
The chair that the regulated seat board of Fig. 6 shown in being tilts forward and back angle is embodiment 3 of the present utility model, it is to adopt identical seat board tumbler with the something in common of embodiment 2, difference is, its chair pin 1 is herringbone chair frame with the chair back 4 disjunctors, support 3 is traverse " V " font and fixedly is set on chair pin 1 top, one of them limit 3a ' is horizontal, this limit and horizontal blend stop 6a constitute the horizontal frame-saw 3a on the support, frame-saw 3a is connected two chair framves as a whole with chair pin connecting rod (figure does not have demonstration), last page or leaf sheet 5b is fixed on the seat board bottom, and nextpage sheet 5c is fixed on the frame-saw 3a.
Structure shown in Figure 7 is embodiment 4 of the present utility model, it and embodiment 2,3 something in common is to adopt identical seat board tumbler, difference is: its chair pin 1 is unipods, top has screw thread, support 3 is " V " font structure, the half of structure that is support 3 " V " font is that outline is cylindrical Nut column, from the protruding oblique arm in cylindrical nut bottom, the top of Nut column and oblique arm all is in the frame-saw that forms support 3 on the same horizontal plane, nextpage sheet 5c is fixed on the end face of Nut column, 2 times corresponding oblique arms of seat board are established a block, cooperate the rotational angle that limits seat board 2 with oblique arm; Support 3 becomes feed screw nut's formula lowering or hoisting gear by nut with being threaded of chair pin 1 top, can regulate the height of seat board 2.
Fig. 8, structure shown in Figure 9 is embodiment 5 of the present utility model, the difference of it and the foregoing description is: its seat board tumbler 5 be by link together by jointed shaft 5a go up page or leaf sheet 5b and nextpage sheet 5c constitutes, this jointed shaft is positioned at the middle part of two pages of sheets, last page or leaf sheet 5b is fixed on the seat board bottom, nextpage sheet 5c is fixed on the framework 3a, both sides, front and back in the bottom of last page or leaf sheet 5b are respectively equipped with a blend stop 6a and a 6b, the chair back 4 fuses with frame-saw 3a, chair pin 1 is " X " shape folding, lobed block 8b on the chair pin, between the chair pin of front and back the dentation chute 8a that is complementary with block is installed, frame-saw 3a bottom has and the corresponding locating slot 9 with a plurality of deep-slotted chip breakers of chair pin, by the angle between chair pin before and after regulating, with regard to the height of adjustable chair, seat board amplitude of oscillation structure is that block laterally is installed on the front and rear both sides of seat board bottom surface.
Figure 10, structure shown in Figure 11 are embodiment 6 of the present utility model, the blend stop that its seat board amplitude of oscillation structure 6 is " people " font for the top is installed in the left and right sides of frame-saw 3a, when the people is sitting in when bending over one's desk working on the chair, forward lean, center of gravity moves to the front portion of seat board 2, driving seat board 2 simultaneously rotates forward along jointed shaft, when seat board 2 goes to 10 °, can be installed in blend stop front portion that top on the frame-saw 3a is " people " font blocks and stops operating, at this moment, seat board 2 leans forward with the human body natural, and making bends over one's desk working is not easy fatigue; When the needs rest, the human body hypsokinesis drives seat board 2 and rotates back to it along jointed shaft and be installed in rear portion that top on the frame-saw is the blend stop of " people " font and block and stop operating, 8 ° of seat board 2 hypsokinesis at this moment, and the people just can cosily lean against on the chair back and have a rest.
Figure 12, structure shown in Figure 13 is embodiment 7 of the present utility model, seat board tumbler wherein and seat board amplitude of oscillation structure are integrated, promptly constitute by semi-annular shape articulated body 5d and the swivel pin 5e that is fixed on the support, have three arc chute 5f on the articulated body 5d, the end face of articulated body 5d is fixed on seat board 2 bottom surfaces, arc chute 5f on it is enclosed within on the swivel pin 5e, the arc chute 5f of articulated body 5d can be under the effect of external force, on swivel pin 5e, slide and make articulated body 5d drive seat board 2 and on support 3, rotate limitedly, but realize that seat board 2 flexible modulation tilt forward and back the purpose of angle.
Figure 14, structure shown in Figure 15 is embodiment 8 of the present utility model, seat board tumbler wherein and seat board amplitude of oscillation structure are integrated, promptly be fixed on the articulated body 5d of seat board bottom by its end face, open the arc chute 5g of two parallel connected band knuckle-tooth on articulated body, open at two on the articulated body parallel connected arc chute 5f and the swivel pin 5e that is fixed on the support and constitute, described arc chute is enclosed within respectively on the swivel pin 5e, when need change the angle of inclination of seat board, as long as swivel pin 5e is slided on the arc chute 5g of band knuckle-tooth,, articulated body 5d drive seat board 2 gets final product and correspondingly being rotated on support 3 with hand; When need changed the height of seat board, only with hand moved to another arc chute with swivel pin 5e from the arc chute position that was positioned at originally and gets final product.
The scope of application of the present utility model is not limited to the above several situation, and it can be applied in a flexible way in the chair of various different structure forms.
Claims (10)
1, a kind ofly regulate the chair that seat board tilts forward and back angle, it mainly is made of chair pin, seat board, it is characterized in that: be provided with the support that is connected with seat board on chair pin top, have a horizontal plane on the support or near the frame-saw of horizontal plane; In addition, also set up the seat board amplitude of oscillation structure that a seat board tumbler and restriction seat board angle tilt, the seat board tumbler is connected with frame-saw on the support with seat board respectively, and seat board is hinged on the frame-saw on the support, and seat board amplitude of oscillation structure then is arranged between seat board and the support.
2, a kind of chair that seat board tilts forward and back angle of regulating according to claim 1, it is characterized in that: the seat board tumbler is a linkwork, constitute by jointed shaft, at least 2 hinged seats with hinged axis hole, wherein, at least one hinged seat is fixed on the seat board bottom surface, and at least one hinged seat is positioned on the support, pass above-mentioned hinged seat by jointed shaft, seat board is hinged on the support, and hinged seat can be " Ω " shape, also can be " ∪ ".
3, a kind of chair that seat board tilts forward and back angle of regulating according to claim 1, it is characterized in that: the seat board tumbler is a linkwork, constitute by jointed shaft, hinged seat with hinged axis hole, wherein, jointed shaft is fixed on seat board bottom surface or the support, at least one hinged seat that is enclosed within on the jointed shaft correspondingly is connected with support or seat board bottom surface, and seat board is hinged on the support.
4, a kind of chair that seat board tilts forward and back angle of regulating according to claim 1, it is characterized in that: described seat board tumbler is made of semi-annular shape articulated body and the swivel pin that is fixed on the support, have at least two arc chutes on the articulated body, the end face of articulated body is fixed on the seat board bottom surface, arc chute on it is enclosed within on the swivel pin, the arc chute of articulated body can make articulated body drive seat board sliding on the swivel pin and rotate on support limitedly under the effect of external force.
5, according to claim 1 or 2 or 3 or 4 described a kind of chairs that seat board tilts forward and back angle of regulating, it is characterized in that: described seat board amplitude of oscillation structure qualification seat board tilts forward and back angle in 3～30 ° of scopes.
6, a kind of chair that seat board tilts forward and back angle of regulating according to claim 5, it is characterized in that: described seat board amplitude of oscillation structure is that blend stop laterally is installed on the front and rear of frame-saw, makes can be subjected to blend stop when seat board is forward and backward to incline and stop.
7, a kind of chair that seat board tilts forward and back angle of regulating according to claim 5, it is characterized in that: described seat board amplitude of oscillation structure is a block, be separately positioned on the front and rear both sides of seat board bottom surface, make when seat board is forward and backward to incline, ride on the frame-saw by block, the restriction seat board is rotated further.
8, according to claim 1 or 2 or 3 described a kind of chairs that seat board tilts forward and back angle of regulating, it is characterized in that: described seat board tumbler and seat board amplitude of oscillation structure are integrated, promptly by its end face be fixed on seat board bottom articulated body, open arc chute, open at least two on the articulated body parallel connected arc chutes and the swivel pin that is fixed on the support and constitute at least two on the articulated body parallel connected band knuckle-tooth, described arc chute is enclosed within on the swivel pin respectively.
9, according to claim 1 or 2 or 3 described a kind of chairs that seat board tilts forward and back angle of regulating, it is characterized in that: described chair pin is made of the chair foot rest of two " door " fonts respectively, the support that its top has is a quadra, the frame-saw that has on the support, open at least two perforation successively on the same position of four vertical frames of frame-saw, two chair foot rests are fixed on the both sides of frame-saw by being through screw bolt and nut in the perforation; A seat board frame that has at least two perforation respectively is installed in the frame-saw both sides, described seat board tumbler adopts linkwork, it is made of jointed shaft, hinged seat with hinged axis hole, wherein, in the present grillage perforation of the two ends crosswise fixed of jointed shaft, two hinged seats that are enclosed within on the jointed shaft correspondingly are connected with the seat board bottom surface, so that seat board can also can regulated the angle that tilts forward and back in the height up and down; Support is fixed on the both sides of frame-saw by being through screw bolt and nut in the perforation, described seat board amplitude of oscillation structure and support zoarium, and promptly seat board amplitude of oscillation structure is exactly a support.
10, according to claim 1 or 2 or 3 described a kind of chairs that seat board tilts forward and back angle of regulating, it is characterized in that: described chair pin is " X " shape folding, lobed block on the chair pin, between the chair pin of front and back the dentation chute that is complementary with block is installed, the frame-saw bottom has and the corresponding locating slot that brings to few two deep-slotted chip breakers of chair pin, by the angle between chair pin before and after regulating, with regard to the height of adjustable chair, seat board amplitude of oscillation structure is that block laterally is installed on the front and rear both sides of seat board bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03274496 CN2643747Y (en) | 2003-09-15 | 2003-09-15 | Chair with fore-and-aft gradient controlled structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03274496 CN2643747Y (en) | 2003-09-15 | 2003-09-15 | Chair with fore-and-aft gradient controlled structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2643747Y true CN2643747Y (en) | 2004-09-29 |
Family
ID=34301981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03274496 Expired - Lifetime CN2643747Y (en) | 2003-09-15 | 2003-09-15 | Chair with fore-and-aft gradient controlled structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2643747Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105124965A (en) * | 2015-10-20 | 2015-12-09 | 浙江安吉祥泰家具有限公司 | Leisure chair with novel back cushion connecting piece |
| CN105595655A (en) * | 2014-11-14 | 2016-05-25 | 国誉株式会社 | Chair |
| CN106724266A (en) * | 2016-12-27 | 2017-05-31 | 许庆哲 | A kind of classroom correcting sitting posture nursing chair |
-
2003
- 2003-09-15 CN CN 03274496 patent/CN2643747Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595655A (en) * | 2014-11-14 | 2016-05-25 | 国誉株式会社 | Chair |
| CN105124965A (en) * | 2015-10-20 | 2015-12-09 | 浙江安吉祥泰家具有限公司 | Leisure chair with novel back cushion connecting piece |
| CN105124965B (en) * | 2015-10-20 | 2017-11-24 | 浙江安吉祥泰家具有限公司 | A kind of leisure chaise longue with rest pillow connector |
| CN106724266A (en) * | 2016-12-27 | 2017-05-31 | 许庆哲 | A kind of classroom correcting sitting posture nursing chair |
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