CN201205106Y

CN201205106Y - Improved assembly structure of chair chassis

Info

Publication number: CN201205106Y
Application number: CNU2008201152069U
Authority: CN
Inventors: 吴耀全
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-12
Filing date: 2008-05-12
Publication date: 2009-03-11
Anticipated expiration: 2018-05-12

Abstract

The utility model relates to an assembly structure improvement of a chair chassis. Mainly, the chassis is designed to be pivoted with a chair back frame and be fixedly connected with a pneumatic nozzle link of a foot pedestal; wherein, a sliding pivoted arm is arranged in the chassis, which is pulled and pushed by a spring and is extruded in a sliding groove under a pivoted hole at the both sides, thereby, the pivoted connection between the chair back frame and the pivoted hole is controlled by the sliding arm, the chair back frame swings relative to the chassis under the pushing and pulling of the spring and the elasticity of the spring is controlled by an adjusting wheel; in addition, the front end of the chassis can be pivoted with a chair seat frame the rear end of which is pivoted with a shaking plate screwed by the screw bolt of the chair back frame, thus changing the inclined angle of the chair seat frame; and the chair seat frame is connected by tracks with a sliding seat which can slide and stop for fixing a chair cushion, thus the chair has the adjusting functions that the chair back can swing back and forth, the chair cushion can incline, can be lifted and move back and forth.

Description

The assembly structure improvement on chair tool chassis

Technical field

The utility model is the assembly structure improvement on a kind of chair tool chassis, main this chassis is to control for chair back rack articulates, the runners atmospheric pressure pole is affixed to adjust the design of lifting, below the pivot hole of chassis, be to offer sliding tray wherein for the chair back rack pivot joint, this sliding tray articulates with chair back rack after placing for the slip hinged arm again, formation is the space of pivot hole turn relatively, and be to pull the slip hinged arm and elastic force is provided with the top in the chassis with the spring that can be adjusted the rotation joint, in addition, chassis front end is to articulate for chair seat frame, this chair seat frame rear end is pivoted a rocker and is spirally connected by the screw rod on the chair back rack, can change the angle of inclination of chair seat frame, and rail is connected to slidably on chair seat frame, the sliding seat of clip is fixed for chair cushion, impels whole chair tool can reach chair back swing, chair cushion tilts, the adjustment function of lifting and front and back displacement.

Background technology

In the design concept of being particular about people's sexual demand, the chair tool must have the expectation that polyfunctional operating structure just can meet comfortableness, therefore in the design that provides displacement before and after lifting, chair back swing and the chair cushion in the use of chair tool now usually, with can be for meeting ergonomics as various adjustment.

And in the design of existing chair tool, main all is the setting of carrying out various adjustment structures in the part on chassis, only, owing to each member all is independently to form design to 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.

This creator in view of the above-mentioned problems, the chassis structure of dark feel chair tool is to concern very important factor in the whole functional operation in fact, therefore then be engaged in the experience of chair structure Specialty Design, manufacturing for many years with it, actively carry out the research and development creation that structure is integrated, discretion in each side's condition is considered it, finally start out the composition of this structure, can solve existing every shortcoming fully.

The utility model content

The purpose of this utility model is, the assembly structure improvement on a kind of chair tool chassis is provided, and has that function is many, volume is little, lightweight advantage, and be convenient to carry, appearance design has aesthetic feeling and the function being convenient to operate.

The utility model provides the assembly structure improvement on a kind of chair tool chassis, and mainly this chassis is to be fixed in runners atmospheric pressure pole top, can supply chair back rack, chair seat frame to articulate the design of combination, it is characterized in that, wherein:

The runners atmospheric pressure pole: the atmospheric pressure pole of the affixed runners in bottom convexes with in the atmospheric pressure pole end face and to control button;

Chair back rack: front end has the framework of two supports with corresponding chassis width, offers pivoted hole and coupling hole on the support, and the rear end of framework then offers the notch for chair back combination;

Chair seat frame: front end has connecting rod and is incorporated into chassis front end, and the rear end is linked on the chair back rack, for the fixing support body of chair cushion;

The chassis: the affixed runners atmospheric pressure pole of interior tool sleeve reaches the ware type pedestal of controlling button with the solid pulling piece control of the pivot of line traffic control, be provided with the sliding tray that pivot hole and corresponding pivot hole are offered in pedestal middle-end both sides, the slip hinged arm is placed through in the sliding tray and pushed up by the spring of rest against pressure plate and pulls, and transmission engagement adjustment wheel and to adjust the wheel axle center pressing plate that is spirally connected then is provided with combined hole in addition in pedestal front end both sides;

Pivoted hole on the chair back rack support and coupling hole pivot respectively are fixed in the pivot hole and the slip hinged arm on chassis.

Wherein rail is connected to for the fixing sliding seat of chair cushion on the framework both sides end face of chair seat frame, and its sliding seat has elasticity clip plate and is connected in the teeth groove plate with correspondence.

The hinged arm that wherein slides radially is pivoted with a flank of tooth bar and is set in door type frame inside, and this door type frame is convexly equipped with dummy slider and fastens the teeth groove of flank of tooth bar with correspondence, and the elastic component that distinctly is provided with the little push rod of elasticity and is connected with lead in flank of tooth bar upper and lower is pushed up the contact of pulling.

Wherein the chair back rack rear end rocker that can swing that is pivoted downwards is spirally connected for the screw rod correspondence that chair back rack upwards articulates.

The beneficial effects of the utility model are:

Because chassis of the present utility model is after articulating with pivot hole and chair back rack, make a slip hinged arm that is positioned at sliding tray articulate with chair back rack once more again, form the chair back rack design of chassis swing relatively, and should the slip hinged arm be that the be adjusted spring of wheel control pushes up and pulls, therefore the elastic force of chair back rack relative chassis swing is adjustable (also can dispose the angle of inclination after location structure is swung with maintenance again), and rail is connected to slidably on the chair seat frame, the sliding seat of clip is fixed for chair cushion, be spirally connected after the adjustment of the degree of depth changes by the relative rocker of screw rod again, can reach the adjustment function that makes chair cushion front and back displacement and angle of inclination, so the utility model not only can be with the assembly of various adjustment member in the chassis, and can have the little advantage of multi-functional volume.

Description of drawings

For making the auditor can understand the function and benefit that structure of the present utility model is formed and can be reached really, below, conjunction with figs. is enumerated embodiment, introduce in detail explanation as after, wherein:

Fig. 1 is a structure outside drawing of the present utility model.

Fig. 2 is the bonding state figure of the utility model chair back rack and chair seat frame.

Fig. 3 is chassis structure figure of the present utility model.

Fig. 4 is the composition diagram on the utility model chassis.

Fig. 5 is the composition state diagram on the utility model chair back rack and chassis.

Fig. 6 is the structure reference diagram that the utility model is adjusted button and elastic component.

Fig. 7 is the mode of operation reference diagram on the utility model chair back rack and chassis.

The specific embodiment

The utility model is the assembly structure improvement on a kind of chair tool chassis, and mainly this chassis 10 is to be fixed in runners atmospheric pressure pole 1 top, can supply the design (as shown in Figure 1) of chair back rack 2, chair seat frame 3 pivot joint combinations, wherein:

Runners atmospheric pressure pole 1: be the atmospheric pressure pole 11 of the affixed runners in bottom, convex with in atmospheric pressure pole 11 end faces and control button 12 (seeing also Fig. 4).

Chair back rack 2: be that front end has the framework of two supports 21 with corresponding chassis 10 width, offer pivoted hole 22 and coupling hole 23 on the support 21, the rear end of framework then is the notch 24 that offers for chair back combination, and one the screw rod 26 that upwards articulates (as shown in Figure 2, framework can extend handrail extension bar 25 in both sides, and is fixing for the handrail combination).

Chair seat frame 3: be that front end has connecting rod 31 and is incorporated into chassis 10 front ends, and the rear end rocker that can swing 32 that is pivoted downwards is spirally connected for screw rod 26 correspondences, and rail is connected to for the fixing sliding seat 35 of chair cushion on the end face of framework both sides, and have elasticity clip plate 36 in framework and be connected to correspondence that (clip plate 36 is to utilize elastic force to have the design that corresponding teeth frid 37 normalities keep the engagement clip in the teeth groove plate 37 that sliding seat 35 extends, because many known technologies all can be reached this usefulness, so repeat no more).

Chassis 10: be that the solid pulling piece 102 of pivot of interior tool sleeve 101 and line traffic control is 1 affixed for the runners atmospheric pressure pole, the ware type pedestal (as shown in Figure 3) of control, be provided with the sliding tray 103 that pivot hole 100 and corresponding pivot hole 100 are offered in pedestal middle-end both sides, make that slip hinged arm 104 is to be placed through in the sliding tray 103 and pushed up by the spring 105 of rest against pressure plate 106 to pull, and pressing plate 106 can be adjusted the screw thread of wheel on 107 axle center and is spirally connected and drives, and adjust that wheel 107 is subjected to the engagement of transmission handle 108 and transmission then is to be provided with combined hole 109 in pedestal front end both sides in addition.

By above-mentioned member, make sleeve 101 air feed depression bars 11 fits affixed (as shown in Figure 4) on chassis 10, that impels runners atmospheric pressure pole 1 controls button 12 corresponding to pulling piece 102 places, and with the pivoted hole 22 on chair back rack 2 supports 21 and coupling hole 23 respectively pivot be fixed in the pivot hole 100 and the slip hinged arm 104 (as shown in Figure 5) on chassis 10, again with the connecting rod 31 of chair seat frame 3 via the combined hole 109 on chassis 10 give pivot solid after, make the screw rod 26 correspondences rocker 32 that is spirally connected, can finish composition of the present utility model.

So via after the combination on above-mentioned chassis 10 as can be known, because pulling piece 102 is the objects pulled via the line traffic control operation, so can give transmission (seeing also Fig. 6) by the lead 41 of adjusting button 4 drives, impel the pulling piece 102 can be under the drive of adjusting button 4 and control button 12 relatively and exert pressure, impel atmospheric pressure pole 11 can produce flexible adjustment, to change the adjustable height of chassis 10 with respect to ground, can then can be when the chair back be subjected to lying by power for the chair back rack 2 of chair back combination, produce the pressure of relative chassis 10 swings, because being pivots, the pivoted hole 22 of chair back rack 2 is fixed in pivot hole 100, and the solid slip hinged arm 104 of 23 pivots of coupling hole is to be arranged in the space that sliding tray 103 has slip, so the chair back is subjected to when lying by power greater than the elastic force of spring 105, then can produce the function of chair back rack 2 relative chassis 10 swings, urge to make the chair back have the characteristic of swing.And the elastic force of spring 105 also can be via the operation of transmission handle 108, makes the adjustment wheel 107 of its engaged transmission change and the degree of depth that is spirally connected of 106 of pressing plates, impel be subjected to pressing plate 106 against spring 105 can produce different elastic force.In addition, the screw rod 26 that the rocker 32 of chair seat frame 3 rear ends is articulated by chair back rack 2 is spirally connected, so after turn screw rod 26 is adjusted, can change the relative distance (variation) of chair seat frame 3 and chair back rack 2 rear ends, to reach different comfort levels in response to user individual's demand with chair seat frame 3 and chair back rack 2 angles of inclination.

And the user more can be when spurring elasticity clip plate 36 with separating tooth frid 37 clips, pulling seat cushion and after making that sliding seat 35 relative chair seat frame 3 anteroposterior position transposition are put in order, allow elasticity clip plate 36 reply clip teeth groove plate 37 again, reach the adjustment function of chair cushion front and back displacement.Real and design of the present utility model as can be known has polyfunctional operation, can satisfy user's comfort requirement.

Moreover, slip hinged arm 104 of the present utility model is radially to be pivoted with a flank of tooth bar 5 to be set in door type frame 53 inside (as Fig. 5, shown in Figure 7), and flank of tooth bar 5 belows are that elastic component 52 that normality is subjected to a lead 61 traction make progress to push up and pulls (as shown in Figure 6), and being subjected to the little push rod 55 of an elasticity on the flank of tooth bar 5 suppresses a little, urge to make the teeth groove 51 on the flank of tooth bar 5 be fastened by the dummy slider 54 of door type frame 53, so when adjusting button 6 and not drawing elastic component 52 and contract downwards, because flank of tooth bar 5 is to be by dummy slider 54 to fasten and fixing state, so slip hinged arm 104 will be fixed in the position of 103 of sliding trays, in order to do to keep the chair back can't swing, and adjusting that button 6 drives leads 61 when pullling elastic component 52 and contracting downwards, the press power of the little push rod 55 of elasticity can impel flank of tooth bar 5 to break away from fastening of dummy slider 54 to lower swing, so the chair back can be stressed once again and produce swing, after being adjusted to required chair back angle, the user can reply and adjust button 6 and make elastic component 52 upwards pull on the top, make plural teeth groove 51 on the flank of tooth bar 5 one can with dummy slider 54 constitute once again fasten fixing.

Claims

1, the assembly structure on a kind of chair tool chassis improvement, mainly this chassis is to be fixed in runners atmospheric pressure pole top, can supply the design of chair back rack, chair seat frame pivot joint combination, it is characterized in that, wherein:

2, the assembly structure on chair tool chassis improvement according to claim 1 is characterized in that, wherein rail is connected to for the fixing sliding seat of chair cushion on the framework both sides end face of chair seat frame, and its sliding seat has elasticity clip plate and is connected in the teeth groove plate with correspondence.

3, the assembly structure on chair tool chassis improvement according to claim 1, it is characterized in that, the hinged arm that wherein slides radially is pivoted with a flank of tooth bar and is set in door type frame inside, this door type frame is convexly equipped with dummy slider and fastens the teeth groove of flank of tooth bar with correspondence, and the elastic component that distinctly is provided with the little push rod of elasticity and is connected with lead in flank of tooth bar upper and lower is pushed up the contact of pulling.

4, the assembly structure on chair tool chassis improvement according to claim 1 is characterized in that, wherein the chair back rack rear end rocker that can swing that is pivoted downwards is spirally connected for the screw rod correspondence that chair back rack upwards articulates.