CN201675443U

CN201675443U - Quick release device of adjustable armrest on chair

Info

Publication number: CN201675443U
Application number: CN2010201854586U
Authority: CN
Inventors: 康鸣翔
Original assignee: Russell International Corp
Current assignee: Russell International Corp
Priority date: 2010-05-04
Filing date: 2010-05-04
Publication date: 2010-12-22
Anticipated expiration: 2020-05-04

Abstract

The utility model provides a quick release device of an adjustable armrest on a chair. The device is characterized in that armrest is assembled on a seat of a chair and can be adjusted in displacement correspondingly via the quick release device; a bolting component is correspondingly arranged between a wrench seat and a limit seat in a penetrating manner; a first end surface and a second end surface which are different in height are arranged in the wrench seat; a slanting projection of the limit seat corresponds to the first end surface and the second end surface; therefore, the turning position of the wrench can be changed; by utilizing the height difference of the first end surface and the second end surface, the slanting projection of the limit seat is changed in height corresponding to the wobbling positions of the first end surface, the second end surface and a slanting end surface, so that the bolting component, the armrest and the seat are tightly arranged, the state of the adjustable armrest is fixed or loosened, and the effect of quick release adjustment is achieved.

Description

The device for quickly disassembling that Chair armrest is adjusted

Technical field

The utility model relates to the device for quickly disassembling that a kind of Chair armrest is adjusted, and refers to the device for quickly disassembling of the adjustable arm that assembles on a kind of seat support about the chair tool especially, and it utilizes the design of the corresponding embedding group of the handrail body of rod in chute, reaches the effect of adjustable arm distance.

Background technology

The general chair tool handrail of chair tool basically all is fixed can not the adjustment, and because of modern of long duration in office, and the fat or thin difference of everyone height, so that the chair tool of same specification also is not suitable for everyone, therefore on the chair tool, have a lot of adjustment designs, as the handrail adjustable bridge structure, the seat height, tilt adjustments, or the handrail width adjustment or the like, and general adjust spacing fixing all is to be used as locking with device for quickly disassembling, it as shown in figure 11, this device for quickly disassembling 5 is provided with a spanner 51, form cam part 511 in spanner 51 1 ends, be provided with a screw rod 512 in cam part 511 central authorities again, and screw rod 512 correspondences are passed a clamping block 52 with groove 521, one bearing 7 for handrail 6 displacements slip, handrail 6, and lock with nut 53; When in stationary state, be spanner 51 cam part 511 corresponding supporting are pulled at the groove 521 of clamping block 52, make its fastening location handrail 6, and when adjusting, pull spanner 51 and make its cam part 511 change the position, and do not support the groove 521 of pulling, allow handrail 6 present relaxed state and do the displacement adjustment.

And said structure has a little disappearance, is described below: it is not easy to operate that spanner is positioned at handrail below, is difficult for that when user's bearing chair tool hand is stretched over the below and operates, and has the phenomenon of being in the way, and need stand up down to bend to operate adjustment.

Therefore, in view of this designer adheres to for many years the abundant of these relevant industries and designs and develops and the actual fabrication experience, is studied improvement again at existing structure and disappearance, the device for quickly disassembling that provides a kind of Chair armrest to adjust is in the hope of reaching the purpose of better practical value.

The utility model content

The purpose of this utility model is the device for quickly disassembling that is to provide a kind of Chair armrest adjustment, to overcome the defective of existing structure, realizes the handrail of rapid adjustment chair tool.

For this reason, the utility model proposes the device for quickly disassembling that a kind of Chair armrest is adjusted, it is that group is provided with handrail on the seat support of chair tool, the handrail of this handrail for adjusting at the seat support top offset by device for quickly disassembling energy correspondence, and device for quickly disassembling includes:

The solid assembly of spiral shell is worn screw tightening and the spiral shell reservation organized in handrail and seat support by correspondence and is formed;

Wear spacing engagement piece for screw tightening, be provided with the convex clip piece in the ring week of end;

The spanner seat, establish a groove by the inboard, be provided with a corresponding engagement piece and the block-shaped perforation of convex clip in groove central authorities, and inside grooves is formed with first end face, be connected an angled end-face by first end face, angled end-face connects again establishes second end face, makes first, second end face be formed with the limit of pulling of supporting of high low head, continues and extends the chute that is provided with a suitable length by the groove periphery;

Limit base, can correspondingly embed in the groove of spanner seat, be provided with corresponding perforation and the clip hole slot established in limit base central authorities, for the stop collar component, the groove of corresponding spanner seat is provided with oblique projection in the limit base end again, and the other end is provided with outstanding seat, and outstanding seat is corresponding to embed and allow handrail slidably in the adjustment sliding tray of displacement, continues in the corresponding chute of limit base periphery place then to be provided with position limiting slide block.

The device for quickly disassembling that aforesaid Chair armrest is adjusted, wherein the adjustment sliding tray for the handrail slide displacement is arranged at the handrail bottom, and this handrail is then corresponding to embed in the set conduit of seat bottom.

The device for quickly disassembling that aforesaid Chair armrest is adjusted, wherein this seat bottom is provided with for the ccontaining and spacing bearing of handrail, allows the slidably adjustment sliding tray of displacement of handrail and be provided with in the bearing bottom.

The characteristics and the advantage of the device for quickly disassembling of the utility model Chair armrest adjustment are:

It is organized on the seat support of chair tool and is provided with handrail, this handrail can corresponding be adjusted at the seat support top offset by a device for quickly disassembling, wherein be provided with the solid assembly correspondence of spiral shell and wear spanner seat and limit base, and in the spanner seat, be provided with first end face and second end face of tool vertical parallax, and make the oblique projection of limit base corresponding with it it; In view of the above, to change the turn position of spanner seat, effect with first end face and the second end face vertical parallax, corresponding first, second of oblique projection of limit base changed with the vacillating the position of angled end-face highly, reach and allow the solid assembly of spiral shell and handrail and seat support be tightly to establish state fixing or the absent-mindedness adjustable arm, reach the effect of quick detach adjustment.

Description of drawings

Fig. 1 is a whole decomposing schematic representation of the present utility model;

Fig. 2 is a partial exploded view of the present utility model;

Fig. 3 is a schematic appearance of the present utility model;

Fig. 4 is a schematic top plan view of the present utility model;

Fig. 5 is a cross-sectional schematic of the present utility model;

Fig. 6 is an action schematic top plan view of the present utility model;

Fig. 7 is an action cross-sectional schematic of the present utility model;

Fig. 8 is an adjustment action schematic diagram of the present utility model;

Fig. 9 is another embodiment decomposing schematic representation of the present utility model;

Figure 10 is another embodiment cross-sectional schematic of the present utility model;

Figure 11 is the prior art decomposing schematic representation.

The main element label declaration:

(the utility model)

1 seat support, 11 conduits

12 bearings 121 are adjusted sliding tray

2 handrails 21 are adjusted sliding tray

The solid assembly of 3 device for quickly disassembling, 31 spiral shells

The 312 spiral shell reservation of 311 screw tightenings

32 engagement pieces, 321 convex clip pieces

33 spanner seats, 331 grooves

332 perforations, 333 first end faces

334 angled end-faces, 335 second end faces

336 support limit 337 chutes of pulling

338 handle positions, 34 limit bases

341 clip hole slots, 342 oblique projections

343 outstanding seat 344 position limiting slide blocks

(prior art)

5 device for quickly disassembling, 51 spanners

511 cam part, 512 screw rods

52 clamping blocks, 521 grooves

53 nuts, 6 handrails

7 bearings

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model:

See also Fig. 1～shown in Figure 3, the solid of the device for quickly disassembling of adjusting for Chair armrest of the present utility model is decomposed, schematic appearance, it is that group is provided with handrail 2 on the seat support 1 of chair tool, and this handrail 2 can be corresponding to seat support 1 top offset adjustment by a device for quickly disassembling 3, and its device for quickly disassembling 3 includes:

The solid assembly 31 of one spiral shell, the correspondence of serving as reasons are worn to organize in the handrail 2 and the screw tightening 311 of seat support 1 and are formed with spiral shell reservation 312;

One engagement piece 32 wears spacing member for supplying screw tightening 311, and in being provided with convex clip piece 321 the ring week of end;

One spanner seat 33, establish a groove 331 by inboard correspondence, be provided with the perforation 332 of a corresponding engagement piece 32 and convex clip piece 321 shapes in groove 331 central authorities, and groove 331 inside are formed with first end face 333, be connected an angled end-face 334 by first end face 333, connect again and establish second end face 335, make first, second end face 333,335 be formed with the limit 336 of pulling of supporting of high low head, continue and extend the chute 337 that is provided with a suitable length by groove 331 peripheries;

One limit base 34, can correspondingly embed in the groove 331 of spanner seat 33, be provided with a corresponding perforation 332 and the clip hole slot 341 established in limit base 34 central authorities, so as to supplying stop collar component 32, be provided with oblique projection 342 in the groove 331 corresponding ends of limit base 34 and spanner seat 33 again, and the other end is provided with corresponding embedding of an outstanding seat 343 and allows handrail 2 slidably in the adjustment sliding tray 21 of displacement, continues in limit base 34 peripheral corresponding chutes 337 places then to be provided with a position limiting slide block 344.

Please join Fig. 1～shown in Figure 8 in the lump, when assembling is implemented, this is the first embodiment state, seat support 1 bottom of this chair tool is provided with a conduit 11 for handrail 2 embeddings, allow the slidably adjustment sliding tray 21 of displacement of handrail 2 and be provided with in handrail 2 bottoms, the solid assembly 31 of the spiral shell of this device for quickly disassembling 3 is worn group engagement piece 32, spanner seat 33, limit base 34 and handrail 2 and seat support 1 with screw tightening 311 correspondences, and lock with spiral shell reservation 312, allow outstanding seat 343 correspondences of limit base 34 embed in the adjustment sliding tray 21 of handrails 2 simultaneously; When locking condition, oblique projection 342 correspondences of the limit base 34 of this device for quickly disassembling 3 are positioned at first end face, 333 places of spanner seat 33 grooves 331, make 34 of its spanner seat 33 and limit bases have one and support the space of pulling, supporting the space of pulling with this simultaneously allows limit base 34 support the adjustment sliding tray 21 of the handrail 2 of pulling, make it support the distance that screw tightening 311 and spiral shell reservation 312 are positioned at 1 of handrail 2 and seat support, and reach handrail 2 is supported locking location, and spanner seat 33 handle position 338 was sticked and was positioned at handrail 2 limits this moment; Continue, when desire is adjusted handrail 2 width, the handle position 338 of handrail 2 limit spanner seats 33 is pulled outward, allow spanner seat 33 swing offsets, at this moment, be positioned at the limit base 34 oblique projections 342 at first end face, 333 places of spanner seat 33 grooves 331, produce relative displacement thereupon, allow oblique projection 342 by first end face 333 through angled end-face 334 and second end face 335 that arrives, and be subjected to pulling limit 336 and spacing, and the position limiting slide block 344 of limit base 34 is also simultaneously in spanner seat 33 chutes 337 intrinsic displacements, so, design with first end face 333 and second end face, 335 vertical parallaxs, allow limit base 34 be fitted in the groove 331 of spanner seat 33, make it remove the restriction that screw tightening 311 and spiral shell reservation 312

support handrail

2 and 1 of seat support, the handrail 2 of this moment is the relaxed state that is not subjected to pulling, and carries out the displacement adjustment and can allow the adjustment sliding tray 21 of handrail 2 be as the criterion with outstanding 343 of limit base 34.

Whereby, to change the turn position of spanner seat 33, allow chute 337 be as the criterion and displacement with position limiting slide block 344, the effect that cooperates first end face 333 and second end face, 335 vertical parallaxs, make corresponding first, second of oblique projection 342 of limit base 34 change height with the vacillating the position of angled end-face, reach and allow the solid assembly 31 of spiral shell be tightly to establish the state of fixing or relaxing adjustable arm with handrail 2 and seat support 1.

Please join Fig. 9～shown in Figure 10 in the lump, this is the second embodiment state, seat support 1 bottom of this chair tool is provided with one for the ccontaining and spacing bearing 12 of handrail 2, allow the slidably adjustment sliding tray 121 of displacement of handrail 2 and be provided with in bearing 12 bottoms, the solid assembly 31 of the spiral shell of this device for quickly disassembling 3 is worn group engagement piece 32, spanner seat 33, limit base 34 and handrail 2 and seat support 1 with screw tightening 311 correspondences, and lock with spiral shell reservation 312, allow outstanding seat 343 correspondences of limit base 34 embed in the adjustment sliding tray 121 of bearings 12 simultaneously; When locking condition, oblique projection 342 correspondences of the limit base 34 of this device for quickly disassembling 3 are positioned at first end face, 333 places of spanner seat 33 grooves 331, make 34 of its spanner seat 33 and limit bases have one and support the space of pulling, supporting the space of pulling with this simultaneously allows limit base 34 support the adjustment sliding tray 121 of the bearing 12 of pulling, make it support the distance that screw tightening 311 and spiral shell reservation 312 are positioned at 1 of handrail 2 and seat support, and reach handrail 2 is supported locking location, and spanner seat 33 handle position 338 was sticked and was positioned at handrail 2 limits this moment; Continue, when desire is adjusted handrail 2 width, the handle position 338 of handrail 2 limit spanner seats 33 is pulled outward, allow spanner seat 33 swing offsets, at this moment, be positioned at the limit base 34 oblique projections 342 at first end face, 333 places of spanner seat 33 grooves 331, produce relative displacement thereupon, allow oblique projection 342 by first end face 333 through angled end-face 334 and second end face 335 that arrives, and be subjected to pulling limit 336 and spacing, and the position limiting slide block 344 of limit base 34 is also simultaneously in spanner seat 33 chutes 337 intrinsic displacements, so, design with first end face 333 and second end face, 335 vertical parallaxs, allow limit base 34 be fitted in the groove 331 of spanner seat 33, make it remove the restriction that screw tightening 311 and spiral shell reservation 312

support handrail

2 and 1 of seat support, the handrail 2 of this moment is the relaxed state that is not subjected to pulling, and carries out the displacement adjustment and can allow the adjustment sliding tray 121 of bearing 12 be as the criterion with outstanding 343 of limit base 34.

The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims

1. the device for quickly disassembling adjusted of a Chair armrest, it is characterized in that, the device for quickly disassembling of described Chair armrest adjustment is that group is provided with handrail on the seat support of chair tool, and described handrail can correspondingly be adjusted at described seat support top offset by a device for quickly disassembling, and described device for quickly disassembling includes:

The solid assembly of spiral shell is worn screw tightening and the spiral shell reservation organized in described handrail and described seat support by correspondence and is formed;

Wear spacing engagement piece for described screw tightening, be provided with the convex clip piece in the ring week of end;

The spanner seat, establish a groove by the inboard, described groove central authorities are provided with a corresponding described engagement piece and the block-shaped perforation of described convex clip, and described inside grooves is formed with first end face, described first end face is connected an angled end-face, described angled end-face connects establishes second end face, and described first, second end face is formed with the limit of pulling of supporting of high low head, and the extension of described groove periphery is provided with a chute;

Limit base, can correspondingly embed in the groove of spanner seat, described limit base central authorities are provided with the clip hole slot for spacing described engagement piece, the corresponding described perforation of described clip hole slot and establishing, the corresponding end of the groove of described limit base and described spanner seat is provided with oblique projection, described limit base other end is provided with outstanding seat, described outstanding seat is corresponding embed allow described handrail can the adjustment sliding tray of slide displacement in, the corresponding described chute of described limit base periphery place then is provided with position limiting slide block.

2. the device for quickly disassembling that Chair armrest as claimed in claim 1 is adjusted is characterized in that, supplies the described adjustment sliding tray of described handrail slide displacement to be arranged at described handrail bottom, and described handrail is then corresponding to embed in the set conduit of described seat bottom.

3. the device for quickly disassembling that Chair armrest as claimed in claim 1 is adjusted is characterized in that, described seat bottom is provided with for the ccontaining and spacing bearing of described handrail, and described bearing bottom is provided with and allows the described adjustment sliding tray that described handrail can slide displacement.