CN200976965Y

CN200976965Y - Chair suitable to computer

Info

Publication number: CN200976965Y
Application number: CN 200620131045
Authority: CN
Inventors: 张国才
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-26
Filing date: 2006-07-26
Publication date: 2007-11-21
Anticipated expiration: 2016-07-26

Abstract

The utility model relates to a chair, in particular to a computer chair, which comprises a supporting leg, a chair seat and an armrest and is characterized in that: two sides of a backrest are positioned with a backrest frame which is internally provided with a slideway; the armrest is respectively positioned at two sides of the backrest through an adjusting mechanism by utilizing the slideway and is provided with an arm splint, a keyboard desktop board, an externally suited connector, a steering mechanism and an adjusting mechanism. The utility model, based on the existing computer chair, provides a computer chair of strong adaptability, better adjustable performance, agility and portability to make users feel more comfortable; in addition, the utility model also provides a computer chair armrest system capable of refitting the existing common chair into a computer chair.

Description

Computer chair

Technical field

The utility model relates to a kind of chair, especially refers to computer chair.

Background technology

Occurred in recent years causing neck, shoulder, elbow, wrist, referring to the computer chair of tired pain because of the long-time operation computer for eliminating the computer operater.Chinese patent notification number 2699746, open day 20050518; Chinese patent publication number 1476800, open day 20040225 disclosed some computer chairs that come to this.But these computer chairs note solving nimble property, applicability problem when solving elimination fatigue, increasing comfort.Mainly contain: 1, main frame, display setting are made man-machine fixed distance on the seat, the people can't selection and the distance of main frame, display, and seat has lost flexibility, and people's activity is restricted, and structure is also brief inadequately.Especially, more apparent inconvenience when computer is connected with the corollary equipment printer, and also the corollary equipment of computer can constantly increase, and such computer chair can't adapt to.2, the main cause of operating computer health susceptible fatigue is the position of height of armrests and keyboard, mouse and health and three's mismate thereof, can adjust though have computer chair now, but still can not meet the demands.3, the supporting plate that is arranged on keyboard on the handrail and mouse need be separated when never using safety and place efficient and convenient problem during use.4, do not provide a kind of and will have the technological means that common seat modification becomes computer chair now to the consumer.

Summary of the invention

Technical problem to be solved in the utility model is, provides a kind of adaptability strong on the basis of existing computer chair, and adjustable can be better, light computer chair flexibly, makes the user more comfortable, more flexible.Simultaneously, provide a kind of computer chair armrest that existing common seat modification can be become computer chair.

For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of computer chair is made up of supporting leg, seat support, backrest, handrail, it is characterized in that being provided with the backrest frame in the both sides of backrest, be provided with slideway in the backrest frame, handrail utilizes slideway to be installed in the both sides of backrest respectively by guiding mechanism; Arm supporting plate, keyboard desktop, jacket-type connector, steering mechanism and guiding mechanism are housed on handrail; The handrail that is installed in the backrest both sides is made of handrail trunk and the expansion link that is sleeved in the handrail trunk; By the jacket-type connector keyboard desktop detachable and that can transfer is housed respectively on the described expansion link; Steering mechanism is equipped with in the junction of described keyboard desktop and jacket-type connector; Described steering mechanism is made up of outer dish, inner disc, overcoat and steering spindle; Have boss on the described outer hole wall that coils hole within it, inner disc has boss in the plane, and when outer dish and inner disc snapped together, the boss of inner disc extend in the endoporus of outer dish, prolonged the hole wall rotation of outer dish endoporus; Described overcoat dimidiation, pore area Baltimore groove in it snaps together described outer dish in the Baltimore groove of packing into inner disc, with screw two halves is fited together, and inner disc and outer dish can rotate in the concave groove of overcoat; Described steering spindle is made up of central shaft and the overcoat that is enclosed within on the axle; The described overcoat that is enclosed within on the central shaft is the two halves of symmetry, respectively leave a boss, wherein, half links to each other with described jacket-type connector, can load and unload on handrail, and second half links to each other with the epitaxial part of described inner disc, connecting key tray-top table panel, when being enclosed within two halves on the central shaft, leave an opening, the steering spindle overcoat can rotate on axle; Described guiding mechanism is that the end at center-pole is equipped with an inside collar that is fixed as one with center-pole, then spring is housed on the center-pole successively, be equipped with chain wheel outside collar, being enclosed within on the center-pole can axially movable top cover, be enclosed within spring that the top puts, be equipped with outside collar on chain wheel interlock chain wheel the handrail trunk, fill up, be screwed in the adjustment nut that the top puts, an end that is screwed in center-pole withstands on the adjustment nut that puts; Unclamp the described adjustment nut that the top puts that is screwed in, can carry out handrail and select at any angle, tighten the selected fixed angle in back; Unclamp the nut that is screwed on the center-pole, handrail can be moved up and down; The convertible arm supporting plate that moves about that can move forward and backward and can overturn and erect is housed on the described handrail; The slideway that described backrest both sides are provided with is independently, with backrest be split; Described handrail is by the handrail trunk and be installed in arm supporting plate on the handrail, be sleeved on the expansion link in the handrail trunk, and the slideway that is installed in keyboard desktop, jacket-type connector, steering mechanism and guiding mechanism and frame structure on the expansion link is formed independent integral structure.

The utility model adopts such structure that following advantage is arranged:

1, handrail, keyboard, the adjustable energy of mouse and the flexibility that the three cooperates have been strengthened, particularly handrail not only can level use, can also be made as vertical angle or angle of declination as required, and can grow again and can lack, this selects only position for keyboard, mouse technical assurance is provided before health, the user can select oneself the lightest comfortable attitude with varying with each individual.

2, keyboard and keyboard desktop are placed on together handrail last arm supporting plate below, not only make its short-term deposit safety, take conveniently, and make external structure brief attractive in appearance, be not only applicable to family, also be applicable to office room.

3, the keyboard desktop can forwards be pushed open, can also erect, and has created convenience for the computer operator frequently leaves the table.

4, armrest is done as a whole can being installed on the common seat, repacks it into computer chair under the prerequisite that keeps original function, for the user has reduced cost, helps promoting popularizing of computer chair.

Description of drawings

Fig. 1 is the front view of computer chair.

Fig. 2 is the vertical view of computer chair.

Fig. 3 is the left view of computer chair.

Fig. 4 is the guiding mechanism cutaway view.

Fig. 5 is the steering spindle schematic diagram of steering mechanism.

Fig. 6 is steering mechanism's schematic diagram, and wherein (a) is the gabarit figure of keyboard desktop back; (b) be steering mechanism's cutaway view; (c) and (d) be outer dish and inner disc boss schematic diagram.

Fig. 7 is the armrest stereogram.

Among the figure: 1, backrest, 2, slideway, 3, the backrest frame, 4, the handrail trunk, 4 ', the handrail trunk, 5, the arm supporting plate, 5 ', the arm supporting plate, 6, support, 7, support, 8, expansion link, 8 ', expansion link, 9, the keyboard desktop, 10, pad, 11, steering mechanism, 12, the jacket-type connector, 13, turning handle, 13 ', turning handle, 14, turning handle, 14 ', turning handle, 15, the back case, 16, the keyboard desktop, 17, the hand pad, 18, steering spindle, 18 ', steering spindle, 19, inside collar, 19 ', inside collar, 20, outside collar, 20 ', outside collar, 21, chain wheel, 22, chain wheel, 23, pad, 24, nut, 25, nut, 26, center-pole, 27, spring, 28, spring, 29, the top cover, 30 inner discs, 31, the spring nest, 32, screw, 33, overcoat, 34, hinge axis, 35, supporting leg, 36, seat support, 37, handrail, 37 ', handrail, 38, guiding mechanism, 38 ', guiding mechanism, 39, outer dish, 40, the steering spindle central shaft, 41, the steering spindle overcoat, 42, the steering spindle overcoat.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.

Embodiment 1

Fig. 1 is a front view of the present utility model, as seen from the figure, this computer chair is made up of supporting leg 35, seat support 36, backrest 1, handrail 37,37 ' institute, it is characterized in that being provided with backrest frame 3 in the both sides of backrest 1, in backrest frame 3, be provided with slideway 2, handrail 37,37 ' by guiding mechanism 38,38 ' utilize slideway (2) to be installed in the both sides of backrest 1 respectively; Handrail 37,37 ' on be equipped with arm supporting plate 5,5 ', keyboard desktop 9, keyboard desktop 16, jacket-type connector 12, steering mechanism 11 and guiding

mechanism

38,38 '.Because except that be installed in handrail 37,37 ' expansion link 8,8 ' on keyboard desktop 9 greater than the keyboard desktop 16, the structure of left and right sides handrail is identical, for easy, is that example describes with the left side handrail below.

From Fig. 1 as seen, the trunk portion 4 of described handrail is installed in the slideway 2 of backrest 1 frame by guiding mechanism 38, and expansion link 8 is sleeved in the handrail trunk 4.Can pull out as required during use, also can push in.Because the length of handrail 37 changes, adapt therewith, on handrail 37, installed and can move forward and backward the also turning convertible arm supporting plate 5 that moves about that erects.It is sleeved on the handrail 37 by support 6,7, can move forward and backward, so that select the only strong point of arm.Front end at the expansion link 8 of handrail trunk 4 is equipped with keyboard desktop 9.In fact keyboard desktop 9 is divided into two zones, and first half is installed keyboard, and latter half supports both hands.Be provided with soft pad 10 in the zone of supporting both hands.Keyboard desktop 9 links to each other with steering mechanism 11, and steering mechanism 11 links to each other with the jacket-type connector 12 of expansion link 8 front ends in being sleeved on the handrail trunk.Owing to connect dismounting, easy for installation with jacket-type, so keyboard desktop 9 can disassemble or install from expansion link 8 at any time.Support 6,7 links to each other with arm supporting plate 5 usefulness hinge axis 34, and arm supporting plate 5 can erect.Usually, keyboard is mounted on the keyboard desktop 9, therefore, the keyboard desktop 9 of keyboard and steering mechanism 11 and jacket-type connector 12 is installed as an integral disassembly, assembly and keeping.The boot 15 of backrest 1 back is that keyboard is taken conveniently, deposited safe storage silo, is particularly suitable for long-term storage.

Fig. 2, Fig. 3 are cooperatively interact general positions when using of described keyboard desktop 9 and keyboard desktop 16.Keyboard desktop 16 is provided with cushion 17.

Fig. 4 is described guiding mechanism cutaway view, can be clear that the internal structure of this mechanism.The main effect of described guiding mechanism is that height of armrests, angle can be adjusted with varying with each individual, and is fixed on selected position reliably.

From Fig. 4 as seen, inside collar 19 is fixed on an end of center-pole 26, is being equipped with successively on the center-pole 26 then: spring 28, be equipped with chain wheel 21 outside collar 20, withstanding on the outside collar 20 can axially movable top cover 29, be enclosed within spring 27 on the top cover 29, be equipped with outside collar 20 on chain wheel 21 interlock chain wheels 22 handrail trunk 4, pad 23, be screwed in the nut 24 that withstands on the top cover 29 on the pad 23, an end that is screwed in center-pole 26 withstands on the nut 25 that overlaps on 29.Nut 24 has peripheral hardware handle 13, and nut 25 has peripheral hardware handle 14.When unclamping nut 25 by handle 14, spring 28 opens, and top cover 29 outwards slides, and inside collar 19 and outside collar 20 spacings strengthen, and handrail 4 can be done and move up and down, to select suitable height.During fastening nut 25, overcoat 29 inwardly slides, and inside collar 19 and outside collar 20 spacings reduce, and tightly are stuck on the frame of slideway 2, and handrail 4 can not move up and down, and selected height is fixed.When chain wheel 21 and chain wheel 22 tightly were interlocked, handrail 4 can not rotate, and when chain wheel 21 and chain wheel 22 separately the time, handrail 4 can rotate arbitrarily around center-pole 26.When turning handle 13 unclamped nut 24, spring 27 opened, and chain wheel 21 separates with chain wheel 22, and handrail 4 rotates unrestricted, can adjust at any angle.During fastening nut 24, pad 23 evenly passes to chain wheel 22 to pressure, and two chain wheels tightly are interlocked, and handrail 4 can not rotate, selected fixed angle.Because the tension force of spring 28 is greater than the tension force of spring 27, so when nut 25 unclamped to a certain degree, chain wheel 21 and chain wheel 22 were still and are interlocked, and at this moment can satisfy the requirement of only doing adjusting up and down of handrail 4 and not making angle adjustment.When nut 25 continues to unclamp, chain wheel 21 and chain wheel 22 also can be separated, and at this moment, the height of handrail 4 and angle can both obtain adjusting.When not adjusting height if only need adjust the angle of handrail 4, only need unclamp nut 24 and get final product.

Need to prove, chain wheel normally two slices be used, therefore, can make two and all be with the mutual interlock of tooth, also can be that a slice band tooth a slice is with holes, with the multiple structure of interlock in the eye cutting hand-hole, be not limited to the illustration scope of specification, as long as its frictional force is enough to support the weight of arm.

Fig. 5 is steering spindle 18 schematic diagrames of described steering mechanism 11, it is installed on the epitaxial part of steering wheel inner disc 30 and links to each other with jacket-type connector 12, from the A-A cutaway view as can be known, described steering spindle 18 is by central shaft 40 and the overcoat 41 that is enclosed within on the axle, 42 form, the described overcoat that is enclosed within on the central shaft is divided into the two halves of symmetry, respectively leave a boss, wherein half links to each other with described jacket-type connector 12, can on handrail, load and unload, second half epitaxial part with described inner disc 30 links to each other, and connecting key tray-top table panel 9 or keyboard desktop 16 are when being sleeved on two halves on the central shaft, leave an opening, overcoat can rotate on axle.The effect of this steering spindle is, gives support force when keyboard desktop horizontal positioned, and limited angular when the keyboard desktop vertically erects makes its overturning laterally.

Fig. 6 is the schematic diagram of described steering mechanism 11, by forming with outer dish 39 keyboard desktop 9 one or split, inner disc 30, overcoat 33 and steering spindle 18.Gabarit schematic diagram when wherein figure (a) is mounted on the described keyboard desktop 9.Figure (b) is the cutaway view of described steering mechanism 11.As can be seen from the figure, the outer dish 39 of steering wheel is arranged on the described keyboard desktop 9, boss is arranged in the endoporus.Figure (c) is the front view and the cutaway view of described outer dish 39, has provided the shape of boss.Figure (d) is front view and the cutaway view that is fastened on the inner disc 30 on the outer dish 39.Boss is also arranged on the plane of described inner disc 30.Boss when inner disc 30 and outer dish 39 snap together on the inner disc 30 extend in the endoporus of outer dish 39, along the inner hole wall rotation of coiling 39 outward.Because the boss of outer dish 39 and the boss of inner disc 30 are to relatively rotate on same circumference, and inside radius equates with outer radius, therefore can bump rotation is stopped, but can past back rotation.Described overcoat 33 dimidiations, pore area Baltimore groove in it snaps together described outer dish 39 and inner disc 30 in the Baltimore groove of packing into, with screw 32 two halves is fited together, and two disks can rotate in Baltimore groove.Among Fig. 8 (b) 31 is spring nests, in spring is housed, the stability when increase rotating.

The effect of described steering mechanism 11 is that keyboard desktop 9 can be lain across before body, can horizontally rotate forward, can vertically erect, can rotate backward be placed on handrail 37 last arm supporting plates 5 below.

Be connected with hinge axis 34 between the visible arm supporting plate 5 of Fig. 2 and the support 6,7, because of hinge axis 34 is that so arm supporting plate 5 can erect to the inside, keyboard desktop 9 can rotate parallel with handrail 37 backward in the inboard near health.At this moment, keyboard and keyboard desktop 9 thereof are to be placed on the carriage that is provided with on the handrail, thereby are reliable and stable.During use, earlier arm supporting plate 5 is erected, keyboard can take out.Because of the structure of keyboard desktop 16 1 side handrails and installing component is identical with the structure and the usage of keyboard desktop 9 one side handrails and installing component, if necessary, keyboard desktop 9 can transposition with keyboard desktop 16.

Embodiment 2

Fig. 7 is described the utility model computer chair armrest stereogram.As can be seen from the figure, the described slideway that is used for installing handrail is a frame structure, by the slideway frame and up and down support form.Described slideway framework and handrail, expansion link, guiding mechanism, arm supporting plate, steering mechanism, keyboard desktop, complete system architecture of the common formation of jacket-type connector, can be installed to by the last lower carriage of slideway framework on the backrest of common seat and use, common seat modification is become computer chair.

Claims

1, a kind of computer chair is made up of supporting leg (35), seat support (36), backrest (1), handrail (37,37 '), it is characterized in that being provided with backrest frame (3) in the both sides of backrest (1), be provided with slideway (2) in backrest frame (3), handrail (37,37 ') utilizes slideway (2) to be installed in the both sides of backrest (1) respectively by guiding mechanism (38,38 '); Arm supporting plate (5,5 '), keyboard desktop (9), keyboard desktop (16), jacket-type connector (12), steering mechanism (11) and guiding mechanism (38,38 ') are housed on handrail (37,37 ').

2, computer chair according to claim 1, the handrail (37,37 ') that it is characterized in that being installed in backrest (1) both sides is made of handrail trunk (4,4 ') and the expansion link (8,8 ') that is sleeved in the handrail trunk (4,4 ').

3, computer chair according to claim 1 and 2 is characterized in that described expansion link (8,8 ') upward is equipped with keyboard desktop (9) and keyboard desktop (16) detachable and that can transfer respectively by jacket-type connector (12).

4, computer chair according to claim 1 and 2 is characterized in that steering mechanism (11) is equipped with in the junction of described keyboard desktop (9) and keyboard desktop (16) and jacket-type connector (12).

5, computer chair according to claim 1 and 2 is characterized in that described steering mechanism (11) is made up of outer dish (39), inner disc (30), overcoat (33) and steering spindle (18); Described outer dish (39) has boss on the hole wall in hole within it, inner disc (30) has boss in the plane, outer dish (39) and inner disc (30) are when snapping together, and the boss of inner disc (30) extend in the endoporus of outer dish (39), and the hole wall that prolongs outer dish (39) endoporus rotates; Described overcoat (33) dimidiation, pore area Baltimore groove in it, described outer dish (39) and inner disc (30) are snapped together in the Baltimore groove of packing into, with screw (32) two halves are fited together, inner disc (30) and outer dish (39) can rotate in the concave groove of overcoat (33); Described steering spindle (18) is made up of central shaft (40) and the overcoat (41), (42) that are enclosed within on the axle; Described overcoat (41), (42) that are enclosed within on the central shaft (40) are the two halves of symmetry, respectively leave a boss, wherein, half links to each other with described jacket-type connector (12), can go up loading and unloading at handrail (37,37 '), and second half epitaxial part with described inner disc (30) links to each other, connecting key tray-top table panel (9) or keyboard desktop (16), when being enclosed within two halves on the central shaft (40), leave an opening, steering spindle overcoat (41,42) can rotate on axle.

6, computer chair according to claim 1 and 2, it is characterized in that: described guiding mechanism (38,38 ') be that a end at center-pole (26) is equipped with an inside collar (19) that is fixed as one with center-pole (26), spring (28) is housed on center-pole (26) then successively, the outside collar (20) of chain wheel (21) is housed, be enclosed within on the center-pole (26) and can overlap (29) in axially movable top, be enclosed within the spring (27) on the top cover (29), be equipped with outside collar (20) on the handrail trunk (4 of chain wheel (21) interlock chain wheel (22), 4 '), pad (23), be screwed in the adjustment nut (24) on the top cover (29), an end that is screwed in center-pole (26) withstands on the adjustment nut (25) on the cover (29); Unclamp the described adjustment nut (24) that is screwed on the top cover (29), can carry out handrail (37,37 ') and select at any angle, tighten the selected fixed angle in back; Unclamp the nut (25) that is screwed on the center-pole (26), handrail (37,37 ') can be moved up and down.

7, computer chair according to claim 1 and 2 is characterized in that: move about convertible arm supporting plate (5), (5 ') that can move forward and backward and can overturn and erect are housed on the described handrail (37,37 ').

8, computer chair according to claim 1 and 2 is characterized in that: the slideway that described backrest (1) both sides are provided with is independently, with backrest (1) be split.

9, computer chair according to claim 1 and 2, it is characterized in that: described handrail (37,37 ') is by handrail trunk (4,4 ') and be installed in arm supporting plate (5,5 ') on the handrail (37,37 '), be sleeved on the expansion link (8,8 ') in the handrail trunk (4,4 '), and the keyboard desktop (9,16), jacket-type connector (12), steering mechanism (11) and the guiding mechanism (38,38 ') that are installed on the expansion link (8,8 ') are formed independent integral structure with the slideway (2) of frame structure.