CN2722738Y - Basic disc regulating structure of chair - Google Patents

Abstract

The utility model discloses the basic disc regulating structure of chair, and the basic disc comprises a base and a supporting seat. Wherein the base side edge is fixed to a sleeve barrel of which the frame seat is provided for the pivots of the throw bar corresponding to the combination of the air pressure bar. A lock plate is arranged at back of the base to correspondingly lock and stand against to a lock groove on the back of the supporting seat. The parallel seats are arranged on both sides of the supporting seat top surface. A pivot between the front part of the supporting seat and the middle part of the base, a pivot between the back part of the base and the front part of a chair rack bar, and a pivot between the back part of the supporting seat and the back part of the chair rack bar are formed to movable statement, and then penetrated through an elastic adjusting group and connected at the front part of the supporting seat and the base. After interlock controlling of the toggle bar, the lock plate, and the sliding seat by guide line, the basic disc has the adjustment of rise and fall, front to back, and pitch-moving functions.

Description

Structure is adjusted on the chassis of chair tool

Technical field

The utility model is that structure is adjusted on a kind of chassis of chair tool, main this chassis is by base, bearing is formed, wherein chassis side is that an affixed skeleton frame is pivoted with the sleeve of corresponding atmospheric pressure pole combination for throw rod, and be provided with the clip plate fastens the bearing rear end with correspondence clamping groove at rear side, but and be provided with sliding seat abutment pad combination arranged side by side in bearing end face both sides, make the bearing front end, the middle-end of base is pivoted, base rear end territory chair hack lever front end is pivoted, bearing rear end and chair hack lever rear end are pivoted, constitute bearing, after being movable state between base and chair hack lever, run through via elasticity adjustment group with the base front end in bearing and to be combined, make throw rod again, the clip plate, sliding seat can make the chassis have the control atmospheric pressure pole and lifting after giving interlock control via each lead, seat cushion is chassis front and back displacement relatively via sliding seat, and the chair back can be obtained the pooling feature of elasticity adjusting lever by the application of force of the relative base of bearing.

Background technology

In order to pursue the comfortableness of chair tool, multi-functional design is very important, also be indispensable in response to ergonomics, for this reason except seat portion must be designed at the arc curvature of human body, the chassis that combines between foot rest and the seat is important especially for providing, because the chassis is for the aggregate of functions such as lifting, front and back, reclining is set, the installing of air feed depression bar, sliding seat, elasticity adjusting lever and reach the purpose of multi-functional adjustment.Only, each member all is independently to form design and occupy certain volume, but the space that is installed with on chassis but is extremely limited, therefore in the middle of known formation, multi-functional chassis structure often has great volume, weight, and the control lever of various adjustment functions all is that evagination extends the outside, not only the carrying on labor intensive, and the appearance design of whole chair tool also is affected easily and reduces aesthetic feeling, also is difficult for allowing user's direct control, is the expectation that can't meet the user in fact.

The utility model content

The purpose of this utility model is to provide a kind of chassis of chair tool to adjust structure, and this chassis mainly cooperates the chair hack lever to be formed by base, bearing, wherein:

Base: the pedestal that is tool one sleeve air feed depression bar combination, in, the rear end side is provided with the pivot hole, the front end end face then is to establish perforation to adjust seat with corresponding elasticity, an affixed skeleton frame is pivoted and correspondence for throw rod in the sleeve side in addition, and the throw rod outer end links a lead, and solid and the ccontaining formation rail of the clip plate of inverted T shape is connect in the pedestal rear side via the spiral shell of pedestal and frame lid, make a screw rod that places spring place via the pivot hole of clip plate vertical plane after behind the sheathed again retainer spring, the wire head swivel nut that is spirally connected to connect a lead;

Bearing: joint base is for the panel seat of seat cushion incorporates, be provided with open-work in its front end end face, and be provided with pivot hole, slotted hole in the side of front and back ends, then be the solid braking seat of spiral shell in addition in the bottom surface, rear end, fix but be provided with sliding seat abutment pad arranged side by side in the end face both sides in addition, and this sliding seat is fixed by the elasticity fixture block of lead traction;

By above-mentioned member, after bearing is supported for the clip integrated circuit board so that a clamping groove is corresponding, with solid bearing front end pivot hole of axostylus axostyle pivot and base middle-end pivot hole, adjust seat to constitute elasticity adjustment group and lock elasticity via open-work, perforation with screw rod, multiple at this moment order supplies the chair hack lever front end pivot hole of chair back combination and the pivot joint of base rear end pivot hole, pivot hole, chair hack lever rear end then are and the slotted hole pivot joint of board rear end, can be controlled the adjustment function that the chassis provides the chair tool to carry out lifting, front and back, reclining by pullling of each lead.

Structure is adjusted on the chassis of described chair tool, and wherein each lead is controlled via the binding of adjuster.

Structure is adjusted on the chassis of described chair tool, and wherein can be covered with shell attractive in appearance to promote in the outside on chassis.

The utility model can reach following usefulness after implementing:

One, because the utility model is directly to be provided with sliding seat arranged side by side in bearing end face both sides, the adjustment function of displacement before and after combination has thereon separately by sliding seat abutment pad, in it adjusts stroke, not only can not cause departing from of chair tool center of gravity, and not have too big change yet for the volume of whole chassis.

Two, throw rod of the present utility model, clip plate, sliding seat all are that lead via each adjuster gives interlock control, the problem that ruins esthetic sensibility so do not have the extension of control lever evagination in appearance, and by the binding design type of lead, can make adjuster be arranged on the optimum position and operate, solve the problem that known design must bend over to grope control lever for the user.

Description of drawings

Fig. 1: understructure figure of the present utility model.

Fig. 2: the structure action diagram of clip plate.

Fig. 3: holder structure figure of the present utility model.

Fig. 4: chassis structure figure of the present utility model.

Fig. 5: composition diagram of the present utility model.

Fig. 6: the structure reference diagram of reciprocating type adjuster.

Fig. 7: the structure reference diagram of reciprocal locate mode adjuster.

Fig. 8: chassis of the present utility model is provided with the structural representation of shell.

Fig. 9: another serial verb construction composition diagram of the utility model clip plate.

The specific embodiment

Be the function and benefit that can understand really that structure of the present utility model is formed and can be reached, following conjunction with figs. is enumerated embodiment and is described explanation in detail:

The utility model is that structure is adjusted on a kind of chassis of chair tool, and this chassis 10 mainly is made up of base 1, bearing 2, wherein:

Base 1: the pedestal (as shown in Figure 1) of tool one sleeve 11 air feed depression bar combinations, in, the rear end side is provided with pivot hole 101,102, the front end end face then is to establish perforation 103 to adjust seat 191 with corresponding elasticity, an affixed skeleton frame 12 is pivoted and correspondence for throw rod 13 in sleeve 11 sides in addition, and it is solid and the clip plate 15 ccontaining formation rails of inverted T shape are connect via the spiral shell of pedestal 14 and frame lid 16 in rear side, sheathed again retainer spring 172 after making a screw rod 17 that places spring 171 place via the pivot hole 151 of clip plate 15 vertical planes, be spirally connected wire head swivel nut 18 backs to connect lead 181 (as shown in Figure 2, in the extension path after this lead 181 places via the line hole 161 of frame lid 16, guide wheel 162 can be set) for turning to transmission.

Bearing 2: joint base 1 is provided with open-work 21 for the panel seat (as shown in Figure 3) of seat cushion incorporates in its front end end face, and preceding, the side of rear end is provided with pivot hole 22, slotted hole 23, then be the solid braking seat 24 of spiral shell in addition in the bottom surface, rear end, (composition of sliding seat 25 is provided with long open-work 26 arranged side by side in bearing 2 both sides to be provided with sliding seat arranged side by side 25 in the end face both sides in addition, and the both sides of long open-work 26 are to be provided with the concave arc 253 of plural number with ccontaining ball 254, track plate 251 can become the rail mounted combination for penetrate the back with ㄩXing Zuo 252 interlockings, be locked on the track plate 251 with the enclosing cover 255 that side is provided with plural draw-in groove 256 this moment again), and it (is to penetrate fixture block groove 533 with lead 52 ends that this sliding seat 25 is fixed by the elasticity fixture block 53 of lead 52 tractions, spring 531 and link fixture block 532 and constitute, therefore when lead 52 is pullled, can often protect fixture block 532 evaginations and clip draw-in groove 256), and the vertical conduit 28 of establishing is located in corresponding throw rod 13 outer ends on the plate face.

By above-mentioned member, make one of the bearing 2 clamping groove 241 corresponding clip plates 15 that supply fasten the back (as Fig. 4, shown in 5), with solid bearing 2 front ends of axostylus axostyle 4 pivots, pivot hole 22 and base 1 middle-end pivot hole 101, and with screw rod 41 via open-work 21, perforation 103 is locked elasticity and is adjusted seat 191 to constitute elasticity adjustment group 19, multiple order this moment articulates with pivot hole, base 1 rear end 102 for the chair hack lever 3 front end pivot holes 31 of chair back combination, 32 in pivot hole, chair hack lever 3 rear end is that the slotted hole 23 with the board rear end articulates, place out the lead 51 of throw rod 13 and reciprocating type adjuster 5 and link (as Fig. 6 this moment via conduit 28, shown in 7, the pattern design of adjuster is numerous, mainly be to link with the front end of a turning cylinder 55 for lead, around, pull and when rotating, lead formed, unclasp, the pattern of tool locate mode then normally device have shell fragment 56 can relatively rotate the correspondence design that the retaining surface 57 set up of axle is fastened), and clip plate 15, the lead 181 of elasticity fixture block 53,52 is linked by a reciprocal locate mode adjuster 54 to get final product.

By forming of the utility model chassis 10, the lead 51 that throw rod 13 can be subjected to reciprocating type adjuster 5 is pullled to compress atmospheric pressure pole that sleeve 11 fixed and is carried out the control of lifting, and after seat cushion is fixed in sliding seat arranged side by side 25, because its elasticity fixture block 53 is to be subjected to 54 interlocks of reciprocal locate mode adjuster, so after its reciprocal locate mode adjuster 54 is pullled elasticity fixture block 53, before seat cushion gets final product 10 formation of relative chassis, the adjustment of back displacement, otherwise, after reciprocal locate mode adjuster 54 unclasps lead 52, the fixture block 532 of elasticity fixture block 53 just can be by the elastic returning of spring 531 evagination with clip draw-in groove 256, make seat cushion obtain locating effect, moreover, when the user pulls and breaks away from braking seat 24 at the reciprocal locate mode adjuster 54 of pulling clip plate 15 (clip plate 15 will be subjected to the pulling of its lead 181 and keep the state of compression set spring 172), can make that bearing 2 is the buffering effect that the center obtains elasticity adjustment group 19 with the axostylus axostyle 4 of base 1, and the lie strength of the arm-chair back of the body of user can change the angle of 1 of bearing 2 and base via chair hack lever 3, to obtain the function that the chair back carries out reclining, and after the user unclasps its reciprocal locate mode adjuster 54 once again, the restoring force of its retainer spring 172 can make clip plate 15 snap in once again in the clamping groove 241 of a correspondence, allow the chair back can obtain locating effect after the reclining angle, the multi-functional control purpose of real tool, and via lead 51,52,181 its reciprocating type adjusters 5 that cooperate out of the ordinary, the back and forth composition of locate mode adjuster 54 design, just can be installed on optimal position (for example installs at handrail in order to operation, positions such as seat cushion is other), the outward appearance that more can beautify the chair tool.

In addition again, can more beautify in appearance for making chassis 10, can be provided with shell 6 and be covered the design of putting, in the cited structure of present embodiment, its shell 6 is by last, lower house 61,62 form (as shown in Figure 8), this upper shell 61 is distances of 25 of corresponding bearing 2 both sides sliding seats and combine joggle with lower house 62, and the ear frame 613 that a perforate 612 and a lead wire 51 pull out is established in corresponding conduit 28 positions, and (design of this perforate 612 and ear frame 613 is to constitute for corresponding lead 51 pulls out via conduit 28, and directly stretch out at lead 51 and can't help bearing 2 when placing out with known manner, 613 on its perforate 612 and ear frame need not be provided with), and on, lower house 61,62 are provided with screw 611,621 with on the solid screw 27 around bearing 2 of spiral shell, and elasticity fixture block 53 also can lock bearing with corresponding sliding seat 25 via lower house 61.

Continuous person, can be provided with corresponding pin-and-hole 182,173 in the place of screwing togather of above-mentioned wire head swivel nut 18, screw rod 17, carry out pin admittedly (as shown in Figure 9 for latch 7, perhaps based on known technology, also can the lead clamping groove directly be set for wire-bonds in the screw rod end, only this technology belongs to known technology, therefore repeats no more), prevent that wire head swivel nut 18 from getting loose phenomenon with combining of screw rod 17.

Claims (3)

1. structure is adjusted on the chassis of a chair tool, and this mainly cooperates the chair hack lever to be formed by base, bearing, it is characterized in that:

Base: the pedestal that is tool one sleeve air feed depression bar combination, in, the rear end side is provided with the pivot hole, the front end end face then is to establish perforation to adjust seat with corresponding elasticity, an affixed skeleton frame is pivoted and correspondence for throw rod in the sleeve side in addition, and the throw rod outer end links a lead, and solid and the ccontaining formation rail of the clip plate of inverted T shape is connect in the pedestal rear side via the spiral shell of pedestal and frame lid, make a screw rod that places spring place via the pivot hole of clip plate vertical plane after behind the sheathed again retainer spring, the wire head swivel nut that is spirally connected to connect a lead;

Bearing: joint base is for the panel seat of seat cushion incorporates, be provided with open-work in its front end end face, and be provided with pivot hole, slotted hole in the side of front and back ends, then be the solid braking seat of spiral shell in addition in the bottom surface, rear end, fix but be provided with sliding seat abutment pad arranged side by side in the end face both sides in addition, and this sliding seat is fixed by the elasticity fixture block of lead traction;

By above-mentioned member, after bearing is supported for the clip integrated circuit board so that a clamping groove is corresponding, with solid bearing front end pivot hole of axostylus axostyle pivot and base middle-end pivot hole, adjust seat constituting elasticity adjustment group and lock elasticity via open-work, perforation with screw rod, multiple order this moment for the chair hack lever front end pivot hole of chair back combination articulate with base rear end pivot hole, pivot hole, chair hack lever rear end then is the slotted hole pivot joint with the board rear end.

2. structure is adjusted on the chassis of chair tool according to claim 1, it is characterized in that each lead links via adjuster.

3. structure is adjusted on the chassis of chair tool according to claim 1, it is characterized in that the outside on chassis is covered with shell.

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