CN201048728Y

CN201048728Y - Armrest regulating structure for office chair

Info

Publication number: CN201048728Y
Application number: CNU2007200959610U
Authority: CN
Inventors: 陈永华
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-30
Filing date: 2007-04-30
Publication date: 2008-04-23
Anticipated expiration: 2017-04-30

Abstract

The utility model discloses an adjustment mechanism for arms of an office chair, comprising a supporter and an arm body. The supporter is arranged longitudinally; the bottom of the supporter is connected to one side of a seat body of the office chair; the front edge of the upper part of the supporter is formed into a suck receiving space; the front wall face is provided with a plurality of recesses arranged serially. A hollow sleeve is sleeved on the outer side of the supporter in a lifting way; the rim of the upper opening of the hollow sleeve is formed into a flange for combination; a perforation is arranged under the rim and faces forward. The upper end of a latch is formed into a pivot and can be arranged inside the hollow sleeve at a position corresponding to the receiving space of the supporter; the lower end of the latch is provided with embeddable convex bodies corresponding to the recesses; a spring is arranged between the front side of the latch and the wall face of the hollow sleeve to apply elastic push force toward the recesses; a fastening and holding part running out of the perforation of the hollow sleeve is extended forward at the position of the pivot of the latch; a fixing plate is lock on the flange of the hollow sleeve and is provided with a positioning seat in the center. The arm body is arranged above the hollow sleeve transversely and is linked with the hollow sleeve to lift.

Description

The handrail of office chair is adjusted structure

Technical field

The utility model relates to office furniture, and the handrail that relates in particular to a kind of height adjustable office chair is adjusted structure.

Background technology

Consult shown in Figure 1ly, be existing a kind of office chair 10 perspective view, its both sides are provided with the armrest system 13 that supporter 11 and armrest body 12 are constituted, and user's both hands can be abutted on the armrest body 12 and feel comfortably cool.But, existing supporter 11 and armrest body 12 mostly are to penetrate one-body molded by plastic cement, or constitute supporter 11 by metal, and then install the armrest body 12 that plastic cement is made thereon, therefore, it can not adjust height for fixed, also also can not adjust angle, die, can't satisfy indivedual users' demand.

Though, US Patent discloses a kind of Adjustable-Hight Armrest (adjustable height handrail) for No.6062646 number, but its locking bolts is provided in a side of the centre position of the armrest carruier, also inconvenient when the user need adjust high and low position, the operation interface of impersonalityization in the use.In addition, US Patent No.6948775 discloses a kind of Office Chair Armrest (office chair handrail), the angle of its adjustable arm and front and back displacement, but it can't adjust high and low position.After handrail was adjusted to suitable height, the user also needs to adjust angle and front and back position just can have actual effect, otherwise the handrail of too high or too low position, and perhaps only hue angle and front and back position all can't really allow the user feel comfortable.

The utility model content

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and the handrail that a kind of office chair is provided is adjusted structure, the holding part of the shank of the key of its adjustment is provided in a side of the handrail root edge, just be that arm is placed in the handrail top, and finger can be anchored to the position of this shank of the key, has the effect of easy to adjust and hommization.

Another purpose of the present utility model is to provide a kind of handrail of office chair to adjust structure, after handrail is adjusted its height, further can adjust it and put angle and front and back position, makes handrail have tridimensional adjustment effect.

The purpose of this utility model is realized by following technical scheme.

The handrail of a kind of office chair of the utility model is adjusted structure, comprising: supporter, armrest body; It is characterized in that described supporter is vertical setting, its bottom is connected office chair pedestal one side, and epimere portion leading edge forms the spatial accommodation of a depression, and front face from top to bottom is provided with several continuously arranged recesses; One hollow sleeve, liftable being nested with in the supporter periphery, its opening periphery up forms the flange in conjunction with usefulness, and below flange forward direction be provided with perforation; One shank of the key, its upper end forms a drive-connecting shaft, can be hubbed on the interior position of hollow sleeve with respect to the supporter spatial accommodation, and its bottom is provided with embeddable convex body with respect to recess, be provided with a spring between the wall of shank of the key leading flank and hollow sleeve, make this shank of the key have elastic thrust towards recess, shank of the key extends one forward and passes the holding part that hollow sleeve is bored a hole at the drive-connecting shaft place; One fixed head is locked on the flange of hollow sleeve, and fixed head central authorities are provided with a positioning seat; Described armrest body is and is horizontally installed on hollow sleeve top, with the lifting of hollow sleeve interlock.

The handrail of aforesaid office chair is adjusted structure, and wherein the supporter outer peripheral edges are provided with above together C font cushion rubber.

The handrail of aforesaid office chair is adjusted structure, and wherein the holding part of shank of the key is arranged with a button handle.

The handrail of aforesaid office chair is adjusted structure, it is characterized in that, described armrest body includes: a shell, its top forms a dented space, base plate central authorities are provided with a horizontal slotted eye, the transverse groove borehole jack is put on the fixed head positioning seat, and the shell inner bottom plating is provided with the parallel intermediate plate of twice, and the inboard opposite face of two intermediate plates is provided with the vertical fin of multiple tracks; One pedestal is located between shell twice intermediate plate, and its top forms a groove and a through hole, and the groove upper surface is provided with the horizontal fin of multiple tracks, and its two lateral surface is provided with a convex arc with respect to the fin place of two intermediate plates; One pressing block is arranged in the base recess, and its central authorities form a connecting support, and this connecting support passes the pedestal through hole, is nested with on the positioning seat of fixed head, and fixes by a screw, and be arranged with a fastening convex side in the shrinkage pool of bottom surface, pressing block front and back end; One loam cake, locking is above shell; One handrail top layer is fixed on cap surface.

The beneficial effect that the handrail of the utility model office chair is adjusted structure is to comprise: a supporter, its bottom are to be connected office chair pedestal one side, and epimere portion leading edge forms the spatial accommodation of a depression, and front face is provided with several continuously arranged recesses; One hollow sleeve is nested with in supporter periphery, lifting thereon; One shank of the key, its upper end forms a drive-connecting shaft, and its bottom is provided with embeddable convex body with respect to this recess; Again, be provided with a spring between the wall of this shank of the key leading flank and hollow sleeve, shank of the key had towards recess have elastic thrust; Moreover this shank of the key extends one forward and passes the holding part that hollow sleeve is bored a hole at this drive-connecting shaft place; One armrest body is and is horizontally installed on hollow sleeve top, and along with this hollow sleeve interlock lifting; Because the shank of the key holding part is located at the handrail root edge, just arm is placed in the handrail top, and finger can be anchored to the shank of the key position, easy to adjust, handrail further can be adjusted it and put angle and front and back position after adjusting its height, makes handrail have tridimensional adjustment effect.

Description of drawings:

Fig. 1 is existing a kind of office chair structural representation.

Fig. 2 is the utility model stereochemical structure outside drawing.

Fig. 3 is the utility model stereochemical structure decomposing schematic representation.

Fig. 4 is the utility model structure cut-away view.

Fig. 5 is the schematic diagram that armrest body shown in Figure 4 upwards rises.

Fig. 6 is the utility model user mode schematic diagram.

Fig. 7 is the utility model armrest body plan structure partial cutaway diagrammatic sketch.

Fig. 8 is another user mode schematic diagram of the utility model.

Major label description in figure: 10 office chairs, 11 supporters, 12 armrest bodies, 13 armrest systems, 20 handrails, 21 supporters, 211 spatial accommodations, 212 recesses, 213 is C font cushion rubber, 22 hollow sleeves, 221 flanges, 222 perforation, 23 shank of the keys, 231 drive-connecting shafts, 232 convex bodys, 233 holding parts, 234 button handles, 235 springs, 24 fixed heads, 241 positioning seats, 25 shells, 251 base plates, 252 horizontal slotted eyes, 253 intermediate plates, 254 vertical fins, 26 pedestals, 261 grooves, 262 through holes, 263 convex arcs, 264 fins, 27 pressing blocks, 271 screws, 272 connecting supports, 273 shrinkage pools, 274 fastening convex sides, 28 loam cakes, 29 handrail top layers, 20 armrest bodies, 40 pedestals.

The specific embodiment

Consult Fig. 2, Fig. 3, shown in Figure 4, handrail 20 structures that the utility model disclosed comprise: a supporter 21, be to be vertical setting, its bottom is connected office chair pedestal 40 1 sides, its epimere portion leading edge forms the spatial accommodation 211 of a depression, and its front face from top to bottom is provided with several continuously arranged recesses 212; One hollow sleeve 22 is to be nested with in supporter 21 peripheries, and can carry out lifting thereon, and its opening periphery up forms the flange 221 in conjunction with usefulness, and below flange 221 forward direction be provided with perforation 222; One shank of the key 23, its upper end forms a drive-connecting shaft 231, and can be hubbed in the hollow sleeve 22 position with respect to the spatial accommodation 211 of supporter 21, and its bottom is provided with embeddable convex body 232 with respect to recess 212, again, be provided with a spring 235 between these shank of the key 23 leading flanks and this hollow sleeve 22 walls, make this shank of the key 23 have elastic thrust towards recess 212, moreover this shank of the key 23 extends a holding part 233 that passes the perforation 222 of hollow sleeve 22 forward at drive-connecting shaft 231 places; One fixed head 24 is to be locked on the flange 221 of hollow sleeve 22, and these fixed head 24 central authorities are provided with a positioning seat 241; One armrest body 30 is and is horizontally installed on this hollow sleeve 22 tops, and along with hollow sleeve 22 interlock liftings.

Again, the chase of aforesaid supporter 21 outer peripheral edges is provided with together above C font cushion rubber 213, so as to increasing the adaptation of itself and hollow sleeve 22 internal faces.

Moreover the holding part 233 of shank of the key 23 comprises that also being arranged with one detains 234, thus, and the pinning (LOCK) or the unlatching (UNLOCK) of convenient this shank of the key 23 of finger control.

Consult Fig. 5, shown in Figure 6, when the user need adjust armrest body 30 liftings, use finger to trigger button 234, this moment, shank of the key 23 was the axle center with drive-connecting shaft 231, the bottom is offset forward, and then make convex body 232 outwards break away from recesses 212, make that hollow sleeve 22 can lifting on this supporter 21, arrive predetermined altitude after, finger is decontroled button 234, make shank of the key 23 and inwardly, and convex body 232 is fastened in the recess 212 again, make hollow sleeve 22 fixing by spring 235.

About the height adjustment of the utility model armrest body 30, be to utilize the shank of the keys 23 in the hollow sleeve 22 to control, and utilize its holding part 233 and button 234 positions that just are located at armrest body 30 root edges, reach the convenient effect just of adjusting.

Based on this adjustable bridge structure, the utility model further is set as armrest body 30 structure of rotatable angle and front and back displacement, the feasible embodiment of one includes: a shell 25, its top forms a dented space, and be provided with a horizontal slotted eye 252 in base plate 251 central authorities, and this horizontal slotted eye 252 is nested with on the positioning seat 241 of fixed head 24, again, shell 25 inner bottom platings 251 are provided with the parallel intermediate plate of twice 253, and these two intermediate plates, 253 inboard opposite faces are provided with the vertical fin 254 of multiple tracks; One pedestal 26 is located at 253 of the twice intermediate plates of shell 25, and its top forms a groove 261 and a through hole 262, and groove 261 upper surfaces are provided with the horizontal fin 264 of multiple tracks, and its two lateral surface is provided with a convex arc 263 with respect to fin 254 places of two intermediate plates 253 in addition; One pressing block 27, be arranged in the groove 261 of pedestal 26, its central authorities form a connecting support 272, this connecting support 272 passes the through hole 262 of pedestal 26, and be nested with on the positioning seat 241 of this fixed head 24, and give fixed bit, and be arranged with a fastening convex side 274 (as shown in Figure 7) in the shrinkage pool 273 of this bottom surface, pressing block 27 front and back end by a screw 271; One loam cake 28, locking is above shell 25; One handrail top layer 29 is fixed on loam cake 28 surfaces.

Formation by this handrail 20, make armrest body 30 except that have aforementioned can be along with the hollow sleeve 22 interlock elevating functions, also can be as Fig. 6, shown in Figure 7, making this shell 25 is the center with pressing block 27, presenting can be left, the adjustment of right rotation one angle, promptly this pressing block 27 is to be fixed on this fixed head 24 tops, but there is not locked this pedestal 26, also promptly this pedestal 26 can carry out the adjustment of left and right sides angle with shell 25, certainly the loam cake 28 and the handrail top layer 29 of shell 25 are with shell 25 interlocks, this shell 25 is positioned at 274 conducts of front and back two pressures fastening convex side of pressing block 27 root edge shrinkage pools 273 and the usefulness of the fin 264 mutual location on groove 261 surfaces when carrying out angle adjustment.Fastening convex side 274 herein can be an elasticity blocking element, and for example root edge has the steel ball head and inner top with spring element of pulling, and this is existing element, so repeat no more.

By aforementioned structure as can be known, pressing block 27 is fixed, but pedestal 26 left-right rotation one angle, but displacement before and after not understanding, have only shell 25 except can rotate also can before and after displacement, it utilizes the horizontal slotted eye 252 on the base plate 251, make its can be on the positioning seat 241 of fixed head 24 before and after slippage (consulting shown in Figure 5), and when the slippage of front and back, as shown in Figure 7, the usefulness that can be before and after reaching with the mutual cutting ferrule relation of the convex arc 263 in pedestal 26 outsides locate during the precalculated position of the fin 254 that utilizes two intermediate plates, 253 medial surfaces.

So the utility model can further as shown in Figure 8, be adjusted it and put angle and front and back position after armrest body 30 be adjusted height, has tridimensional adjustment effect.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. the handrail of an office chair is adjusted structure, comprising: supporter, armrest body; It is characterized in that described supporter is vertical setting, its bottom is connected office chair pedestal one side, and epimere portion leading edge forms the spatial accommodation of a depression, and front face from top to bottom is provided with several continuously arranged recesses; One hollow sleeve, liftable being nested with in the supporter periphery, its opening periphery up forms the flange in conjunction with usefulness, and below flange forward direction be provided with perforation; One shank of the key, its upper end forms a drive-connecting shaft, can be hubbed on the interior position of hollow sleeve with respect to the supporter spatial accommodation, and its bottom is provided with embeddable convex body with respect to recess, be provided with a spring between the wall of shank of the key leading flank and hollow sleeve, make this shank of the key have elastic thrust towards recess, shank of the key extends one forward and passes the holding part that hollow sleeve is bored a hole at the drive-connecting shaft place; One fixed head is locked on the flange of hollow sleeve, and fixed head central authorities are provided with a positioning seat; Described armrest body is and is horizontally installed on hollow sleeve top, with the lifting of hollow sleeve interlock.

2. the handrail of office chair according to claim 1 is adjusted structure, it is characterized in that, described supporter outer peripheral edges are provided with above together C font cushion rubber.

3. the handrail of office chair according to claim 1 is adjusted structure, it is characterized in that, the holding part of described shank of the key is arranged with a button handle.

4. the handrail of office chair according to claim 1 is adjusted structure, it is characterized in that, described armrest body includes: a shell, its top forms a dented space, base plate central authorities are provided with a horizontal slotted eye, the transverse groove borehole jack is put on the fixed head positioning seat, and the shell inner bottom plating is provided with the parallel intermediate plate of twice, and the inboard opposite face of two intermediate plates is provided with the vertical fin of multiple tracks; One pedestal is located between shell twice intermediate plate, and its top forms a groove and a through hole, and the groove upper surface is provided with the horizontal fin of multiple tracks, and its two lateral surface is provided with a convex arc with respect to the fin place of two intermediate plates; One pressing block is arranged in the base recess, and its central authorities form a connecting support, and this connecting support passes the pedestal through hole, is nested with on the positioning seat of fixed head, and fixes by a screw, and be arranged with a fastening convex side in the shrinkage pool of bottom surface, pressing block front and back end; One loam cake, locking is above shell; One handrail top layer is fixed on cap surface.