CN2335466Y

CN2335466Y - Flexible chair back frame device

Info

Publication number: CN2335466Y
Application number: CN 98241239
Authority: CN
Inventors: 蔡庆涛
Original assignee: FUGU Co Ltd
Current assignee: FUGU Co Ltd
Priority date: 1998-10-12
Filing date: 1998-10-12
Publication date: 1999-09-01
Anticipated expiration: 2008-10-12

Abstract

The utility model relates to a flexible chair back frame device. A vertical frame of a chair back is composed of an upper rod and a lower rod that are mutually pivoted, and the frame is sheathed with a sliding sleeve which is provided with flexible suite for decoration, so that the sliding sleeve stays in a natural state and is situated at the pin joint part of the upper and the lower rods that are then fixed to be vertical by the sliding sleeve. When the sliding sleeve is moved upward to disengage from the pin joint part, the frame can be turned over, so that the chair back and the seat cushion that are fixed on the frame can relatively approach and the chair can be folded and placed below a table.

Description

Bent chair back frame device

The utility model provides a kind of bent chair back skeleton structure, and You Zhiqi can be applicable to any chair with backrest, makes the chair back to transfer and is close to chair cushion relatively, is accommodated in the desk below and the usability person of expansion space so that chair passed.

On known, the chair with chair back is of a great variety, for example office chair, dining chair, even the general chair of usefulness at home ... Deng all having this type of design; Yet; tradition has the chair of the chair back; its chair back all is solid form; that is this chair back is after manufacturing is finished and is fixed on certain height, thereby, it need be pushed when not using chair below the desk in order to avoid when occupying too much space; owing to be subjected to the influence of chair back height; usually can make the chair back brush up against the desk edge and chair can't be accommodated in fully below the desk, thus to the size of I haven't seen you for ages outstanding chair back thickness outside desk, form sorry that the space can't further expand.Be to be at the existing disappearance of above-mentioned conventional fixed formula chair back ameliorator in addition with, the utility model.

Main purpose of the present utility model is providing a kind of bent chair back frame device, be the chair back to be located at one can transfer and fixing skeleton, make the chair back can select turnover to reduce and highly be beneficial to be accommodated in the desk below, or the chair back is transferred into erectility also fix and normal user.

A time purpose of the present utility model is providing a kind of bent chair back frame device, and it is to move by a sliding sleeve of being located at skeleton to control that this balladeur train can be transferred or the person that is fixed on the erectility.

A purpose more of the present utility model is providing a kind of bent chair back frame device, and it is provided with flexible external member at sliding sleeve, makes this flexible external member be coated on this skeleton and sliding sleeve, with as the person of using of the decoration.

Based on this, bent chair back frame device provided by the utility model, be to articulate the vertical skeleton of forming a chair back with following rod member with a upper lever, be arranged with a sliding sleeve in this skeleton, this sliding sleeve also is provided with flexible external member with the usefulness as decoration, making this slide over nature is positioned at the articulated section of this upper and lower rod member by its deadweight and upper and lower rod member is fixed into plumbness, and will move on this sliding sleeve when breaking away from this articulated section, then skeleton can be transferred, so make the chair back that is fixed in skeleton relative with seat cushion near and be convenient to chair is accommodated in desk below; Wherein, be coated with flexible external member between the upper and lower rod member of this skeleton, and make this flexible external member cover and be fixed in above-mentioned sliding sleeve, make this flexible external member to move with the work sliding sleeve; Wherein, the sidewall of this flexible external member is provided with hole, and this sliding sleeve outside is provided with the prodger that can pass this hole, is to pass this hole and sliding sleeve and flexible external member are fixed by this prodger; Wherein, this upper lever is provided with a protruded stigma, and the sidewall of this sliding sleeve is provided with a slotted eye, and this protruded stigma in same season that makes this sliding sleeve be matched with this skeleton passes this slotted eye, uses the displacement that limits this sliding sleeve; Wherein, this sliding sleeve includes one first sub-assembly and one second sub-assembly, is that this first and second sub-assembly is sleeved on behind the skeleton more relatively is fixed to one another and form a sliding sleeve with it, makes sliding sleeve to slide at skeleton; Wherein, this first sub-assembly is provided with slide rail, and this second sub-assembly is provided with the chute of corresponding slide rail, make this first, second sub-assembly by this slide rail with give punching press again after chute cooperates and fix; Wherein, the lower end of this upper lever is provided with a protuberance, and upper lever lower end one side of these protuberance two sides is formed with the inclined-plane, the upper end of this time rod member is provided with the recess corresponding to this protuberance, the sidewall of this protuberance and recess is respectively equipped with corresponding pivot hole, be it to be articulated each other, after this upper and lower rod member is transferred relatively, can limit the angle of its turnover by the set inclined-plane of this upper lever resists with the limit, upper end of following rod member by a pivot passes the pivot hole of this upper and lower rod member simultaneously.

Other purposes of the present utility model and function mat close and can make after following graphic being described further expensive kind to look into committee member and be easier to understand.

Brief description of drawings

Embodiment stereogram when Fig. 1 assembles chair for demonstration skeleton of the present utility model;

Fig. 2 is for showing the stereogram of each element membership credentials of skeleton of the present utility model;

Fig. 3 is for showing skeleton combining structure of the present utility model, and its section plan when being fixed on erectility;

Fig. 4 up moves the planar gesture figure when breaking away from upper and lower rod member articulated section for showing sliding sleeve with Fig. 3;

Planar gesture figure when Fig. 5 transfers with respect to following rod member for the upper lever that shows Fig. 4;

Fig. 6 articulates the partial plan view of combining structure for showing upper and lower rod member of the present utility model.

As shown in Figures 1 and 2, bent chair back frame device provided by the utility model is to include a skeleton 1, one a flexible external member 2 and a sliding sleeve 3; Wherein, this skeleton 1 is the upper lever 12 of straight shape and a L-shaped following rod member 11 by one and articulates and forms, and this upper and

lower rod member

12,11 can be transferred relatively, and this upper lever 12 is in order to the fixing chair back, and the L shaped horizontal part of time rod member 11 is in order to fixing seat cushion person.The lower end of this upper lever 12 is provided with a protuberance 123, and upper lever 12 lower ends one side of these protuberance 123 2 sides is formed with inclined-plane 122, the upper end of this time rod member 11 is provided with the recess 111 corresponding to this protuberance 123, this protuberance 123 is respectively equipped with corresponding pivot hole with the sidewall of recess 111, be it to be articulated each other by a pivot 13 passes the pivot hole of this upper and

lower rod member

12,11 simultaneously, after this upper and

lower rod member

12,11 is transferred relatively, can limit the angle (as shown in Figure 6) of its turnover by these upper lever 12 set inclined-planes 122 resist with the limit, upper end of following rod member 11; Again, the sidewall appropriate location of this upper lever 12 is provided with a protruded stigma 121 (as shown in Figure 3).

This sliding sleeve 3 is in order to being set in above-mentioned skeleton 1, makes them can be 12,11 slippage persons of upper and lower rod member of this skeleton 1; The preferred embodiment of this sliding sleeve 3 is to include first sub-assembly 31 and one second sub-assembly 32, and relative two sides of these first sub-assembly, 31 1 sides are respectively equipped with slide rail 311, and are provided with a prodger 312 in its sidewall; Relative two sides of these second sub-assembly, 32 1 sides are provided with chute 321 that should slide rail 311, and be provided with a slotted eye that runs through 322 in its sidewall, make this first sub-assembly 31 and second sub-assembly 32 can be respectively relative two side positions of skeleton 1 its slide rail 311 and chute 321 are slipped into mutually cooperate after, to fix between the contact-making surface of first sub-assembly 31 and second sub-assembly 32 with punching press distortion or welding manner again to form a sliding sleeve 3, and make this sliding sleeve 3 be sleeved on skeleton 1 according to this, and this sliding sleeve 3 is when being sleeved on skeleton 1, be to make the protruded stigma 121 of being located at upper lever 12 pass the slotted eye 322 of sliding sleeve 3, in order to limit the displacement of this sliding sleeve 3 at skeleton 11.

This flexible external member 2 be with have suitable elasticity and flexible material (for example rubber, plastic cement ... Deng) make form with wrinkle shape, and be axially arranged with a through hole 21 that can supply above-mentioned upper and

lower rod member

12,11 to pass at it, then be provided with a hole 22 that can supply the above-mentioned prodger 312 of being located at first sub-assembly 31 to pass at its sidewall; Make the through hole 21 of this engagement piece 2 after the horizontal part of rod member 11 lower ends passes down, directly be moved to vertical component effect, and its through hole 21 strutted and allow this prodger 312 pass this hole 22, make flexible external member 2 be coated on this sliding sleeve 3 and part first rod member 12 and second rod member 11, and this flexible external member 2 can be moved at skeleton 1 with sliding sleeve 3; The main purpose of this flexible external member 2 is in order to decoration framework 1, and protection user's hand avoids being subjected to sliding sleeve 3 and upper and

lower rod member

12,11 is moving, pressing from both sides when transferring the wounded.

By this structure, do not bestowing under the nature of any strength, this sliding sleeve 3 is to be displaced downwardly to the articulated section of upper lever 12 and play rod member 11 naturally and to be sleeved on this upper lever 12 and following rod member 11 simultaneously by itself weight, at this moment, because be subjected to the supporting role of sliding sleeve 3, this upper and

lower rod member

12,11 will be fixed on erectility (as shown in Figure 3); And simultaneously saddle 3 is moved up to hold flexible external member 2, when making the lower end of sliding sleeve 3 break away from the articulated section of upper and lower rod member 12,11 (as shown in Figure 4), then can be with this upper lever 12 with respect to rod member 11 turnovers (as shown in Figure 5) down, thereby make the relative chair cushion of the chair back near and dwindle its height, make chair can successfully push the below of desk; After this upper and

lower rod member

12,11 is transferred relatively, can resist in the limit, upper end of playing rod member 11 by these upper lever 12 set inclined-planes 122 and limit its final angle (as shown in Figure 6) in turnover back, the chair back and the excessive application of force of chair cushion be oppressed and damaged with the improper custom of avoiding the user; And when desiring to re-use chair, be that skeleton 1 is transferred into erectility, at this moment, and this sliding sleeve 3 will be again moves down by itself weight and is sleeved on upper lever 12 simultaneously and supports solid skeleton 1 with the articulated section of following rod member 11.

The above person only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; be with; all have under identical creation spirit do relevant any modification of the present utility model or change, all be the category that should be included in the protection of the utility model intention.

Claims

1, a kind of bent chair back frame device is characterized in that, includes:

One skeleton is made up of a upper lever and rod member pivot joint once, and this upper and lower rod member can be transferred relatively:

One sliding sleeve is to be sheathed on above-mentioned skeleton, and it can be slided between the upper and lower rod member of this skeleton, can be when this sliding sleeve moves to the articulated section of this upper and lower bar with skeletal fixation, then upper and lower bar can be transferred relatively when sliding onto non-articulated section.

2, according to the described bent chair back frame device of claim l, it is characterized in that, wherein, be coated with flexible external member between the upper and lower rod member of this skeleton, and make this flexible external member cover and be fixed in above-mentioned sliding sleeve, make this flexible external member to move with the work sliding sleeve.

3, according to the described bent chair back frame device of claim 2, it is characterized in that wherein, the sidewall of this flexible external member is provided with hole, and this sliding sleeve outside is provided with the prodger that can pass this hole, is to pass this hole and sliding sleeve and flexible external member are fixed by this prodger.

4, according to the described bent chair back frame device of claim l, it is characterized in that, wherein, this upper lever is provided with a protruded stigma, and the sidewall of this sliding sleeve is provided with a slotted eye, and this protruded stigma in same season that makes this sliding sleeve be matched with this skeleton passes this slotted eye, uses the displacement that limits this sliding sleeve.

5, according to claim 1 or 4 described bent chair back frame devices, it is characterized in that, wherein, this sliding sleeve includes one first sub-assembly and one second sub-assembly, be that this first and second sub-assembly is sleeved on behind the skeleton more relatively is fixed to one another and form a sliding sleeve with it, make sliding sleeve to slide at skeleton.

6, according to the described bent chair back frame device of claim 5.It is characterized in that wherein, this first sub-assembly is provided with slide rail, and this second sub-assembly is provided with the chute of corresponding slide rail, make this first, second sub-assembly by this slide rail with give punching press again after chute cooperates and fix.

7, according to the described bent chair back frame device of claim 1, it is characterized in that, wherein, the lower end of this upper lever is provided with a protuberance, and upper lever lower end one side of these protuberance two sides is formed with the inclined-plane, the upper end of this time rod member is provided with the recess corresponding to this protuberance, the sidewall of this protuberance and recess is respectively equipped with corresponding pivot hole, be to pass on this simultaneously by a pivot, the pivot hole of following rod member and it is articulated each other, on this, after following rod member is transferred relatively, can limit the angle of its turnover by the set inclined-plane of this upper lever resists with the limit, upper end of following rod member.