CN2779982Y

CN2779982Y - Chair

Info

Publication number: CN2779982Y
Application number: CN 200520056592
Authority: CN
Inventors: 韩杰德
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-31
Filing date: 2005-03-31
Publication date: 2006-05-17
Anticipated expiration: 2015-03-31

Abstract

The utility model relates to a chair, which is mainly composed of a seat frame [1], a backrest frame [5], a seat cushion [2]on the seat frame and a back cushion [3] on the backrest frame, wherein the backrest frame and the seat frame are fixed into a whole, the back cushion [2] and the backrest frame [5] are in a detachable structure, a guide rail sleeve [6] used for regulating the height of the back cushion is arranged on the back cushion [1], and a guide rail [8] used for the movement of the back cushion is sheathed in the guide rail sleeve [6]; the lower end of the guide rail [8] is hinged with the seat frame [1] or the backrest frame [5], and a locking mechanism [7] used for locking the height of the back cushion is arranged on a position corresponding to the guide rail sleeve [6]. The utility model has the advantages that when the height of the back cushion is regulated, strength can be reduced; regulation is convenient and agile, and a man short in stature can backkward lean on the chair comfortably; thus, the range of application and the range of regulation are extensive, and no matter whether the height of the back cushion is regulated, the complete appearance of the chair is always kept.

Description

A kind of seat

Technical field

The utility model relates to a kind of seat, the particularly a kind of seat that can regulate the back pad height as required.

Background technology

Conventional seat mainly is made up of seat cushion on mounting, back rest and the mounting and the back pad on the back rest.Usually back pad and back rest are an overall structure, and the back that the shape of its working face of back pad is made generally in human body adapts, some also and headrest be connected as a single entity the comfort level when using to improve it.Because seat generally is to make according to certain specification, and everyone health difference, height differ, have only the profile of stature and backrest, the people that is identical could having peace of mind and lean against on the backrest comfily.For the people that satisfies different heights leans against on the seat after comfily, the technology that adopts is divided into multistage with backrest and highly is adjustable at present, and adjusting is inconvenient, adjustable extent is little and the scope of application is little, the adjusting back influences deficiencies such as outward appearance but this type of seat also exists.

A kind of " can adjust the automotive seat of chair back height " that Chinese patent " 03234235.7 " provides comprises seat cushion, the chair back and is attached to back cushion on the chair back that the chair back is by fixedly the chair back and lifting chair back two parts constitute; Fixedly the chair back and chair lift back are respectively equipped with the sleeve pipe and the pillar of socket each other, and the lifting chair back and fixedly being provided with between the chair back can be regulated chair lift back of the body elevation and subsidence regulating device.Though it can adjust chair back length, can allow the passenger it be adjusted to suitable position according to the height of oneself, but because it is by the fixedly chair back and chair lift the back sleeve pipe of socket and the height that pillar is regulated the lifting chair back each other, thus same the existence regulate inconvenience and the scope of application is little, influence problem such as outward appearance after regulating.

Summary of the invention

The purpose of this utility model be to provide a kind of can regulate the back pad height as required and regulate after do not influence the seat of overall appearance.

The purpose of this utility model can realize by following technical measures: the back pad that leans against the seat cushion on frame and the mounting and lean against on the frame that this seat mainly is fixed as one by mounting, with mounting is formed, back pad is a split-type structural with leaning against frame, back pad is provided with the guide rail sleeve that is used to regulate the back pad height, be set with in the guide rail sleeve and be used for the guide rail that back pad moves, this guide rail lower end and mounting or to lean against frame hinged, corresponding guide rail sleeve position is provided with the height locking mechanism of back pad.

This guide rail sleeve is provided with two, is located at the back pad both sides respectively.

Described height locking mechanism comprises wedge mouth, the fixed cover outside guide rail is fixed and be sleeved on to guide rail sleeve that evenly is laid on the guide rail, be equiped with the fixture block that cooperates with the wedge mouth and back-moving spring, button in the fixed cover, the two ends of back-moving spring are fixed with fixed cover, fixture block respectively, and button has two legs to be enclosed within that guide rail is outer to be cooperated with fixture block.

This height locking mechanism also can comprise the fixed cover of fixing and be sleeved on the guide rail outside with guide rail sleeve, and slide block is housed in the fixed cover, and slide block is connected with the adjusting bolt.

The beneficial effects of the utility model are: because back pad is a split-type structural with leaning against frame, and the guide rail of back pad and mounting or to lean against frame hinged, back pad can along hinged swing with lean against frame and separate, thereby alleviated the dynamics when regulating the back pad height, regulate more convenient, flexible, the shorter people of stature is leaned on after also can be comfily, thereby the scope of application and adjustable range are wider; Lean against frame and adopt fixing structure, not only safety is firm, and no matter whether the back pad height is adjusted, and all can keep more complete outward appearance; The utility model also suits in the office space and family's use except that transport facilitys such as suitable vehicle, steamer, aircraft use.

Description of drawings

Fig. 1 is a structure chart of the present utility model;

Fig. 2 is the structure chart of the embodiment one of height locking mechanism of the present utility model;

Fig. 3 be Fig. 2 A-A to cutaway view;

Fig. 4 is the structure chart of the embodiment two of height locking mechanism of the present utility model;

Fig. 5 is a back pad of the present utility model and lean against the state diagram that frame separates;

Fig. 6 is a user mode reference diagram of the present utility model.

The specific embodiment

With reference to Fig. 1, this seat is mainly by mounting [1], form with the back pad [3] that leans against the seat cushion [2] on frame [5] and the mounting and lean against on the frame that mounting is fixed as one, back pad [3] and to lean against frame [5] be split-type structural, back pad [3] is provided with the guide rail sleeve [6] that is used to regulate the back pad height, this guide rail sleeve [6] is provided with two, be located at back pad [3] both sides respectively, be set with the guide rail [8] that is used for back pad and moves in the guide rail sleeve [6], this guide rail [8] lower end by fixed axis [9] with to lean against frame [5] hinged, also can be directly and mounting [1] hinged, corresponding guide rail sleeve [6] position is provided with the height locking mechanism [7] of back pad.

With reference to Fig. 2, Fig. 3, height locking mechanism [7] comprises wedge mouth [10], the fixed cover [11] outside guide rail is fixed and be sleeved on to guide rail sleeve [6] that evenly is laid on the guide rail, be equiped with the fixture block [12], back-moving spring [13], the button [14] that cooperate with wedge mouth [10] in the fixed cover [11], the two ends of back-moving spring [13] are fixing with fixed cover [11], fixture block [12] respectively, and button [14] has two legs [15] to be enclosed within that guide rail [8] is outer to be cooperated with fixture block [12].Press the button [14] and fixture block [12] is retreated and separate with wedge mouth [10], back pad [3] can rise or descend along guide rail [8]; Release button [14], back-moving spring [13] produce active force and make the wedge mouth [10] of fixture block [12] insertion main guide rail and make back pad [3] location, realize classification adjusting back pad height.

With reference to Fig. 4, this height locking mechanism [7] also can comprise the fixed cover [7] of fixing and be sleeved on the guide rail outside with guide rail sleeve [6], slide block [16] is housed in the fixed cover [7], slide block [16] has hole [18], there is internal thread in the hole in [18], slide block [16] is connected with regulates bolt [17], regulates the screw-internal thread fit of bolt [17] by external screw thread and slide block [16], and adjusting bolt [17] is provided with annular bayonet socket [19] and is stuck on the fixed cover [11].Rotate and regulate bolt [17], can drive slide block [16] move left and right,,, realize step-less adjustment back pad height when slide block [16] leaves guide rail [8] and back pad [3] can be moved up and down along guide rail [8] when slide block [16] withstands guide rail [8] and makes back pad [3] location.

In order highly to transfer lowlyer back pad [3], make the shorter people of stature also back pad [3] can be transferred to suitable oneself height, back pad [3] can be done shortly, shortening part then replaces with a movably auxiliary back pad [4], see Fig. 1, should auxiliary back pad [4] be located at above the back pad [3], loose joint leans against on the frame [5], can be placed on back pad [3] below, seat both sides, backrest top or other places when needing.What Fig. 6 showed is to place back pad [3] below.

Back pad [3] also may be partitioned into independently polylith, and all adjustable-height and lockings, back pad is propped up better back up, shoulder, neck, first-class different human body.

In order to make the utility model more attractive in appearance, be provided with groove [20] in the back of back pad [3], the shape of this groove [20] with lean against frame [5] and adapt, back pad [3] with leaning against frame [5] socket, is seen Fig. 5, Fig. 6 by groove [20].

During use, if want back pad [3] position is heightened, will assist back pad [4] to take out earlier, back pad [3] is swung and is leaned against frame [5] and separate with leaning against frame [5] hinged place by guide rail [8], and its state is seen Fig. 5.Unclamp height locking mechanism [7] then, back pad [3] is moved up, the locking action that recovers height locking mechanism [7] then will be highly fixing, at last with back pad [4] with lean against frame [5] and close up and finish highly adjusting.Auxiliary back pad [4] then can place back pad [3] below, sees Fig. 6.

Claims

1, a kind of seat, mounting [1] is arranged and lean against frame [5] with mounting is fixed as one, seat cushion [2] is arranged on the mounting, lean against back pad [3] is arranged on the frame, it is characterized in that back pad [2] is a split-type structural with leaning against frame [5], back pad [1] is provided with the guide rail sleeve [6] that is used to regulate the back pad height, is set with the guide rail [8] that is used for back pad and moves in the guide rail sleeve [6], this guide rail [8] lower end and mounting [1] or to lean against frame [5] hinged, corresponding guide rail sleeve [6] position is provided with the height locking mechanism [7] of back pad.

2, seat according to claim 1 is characterized in that guide rail sleeve [6] is provided with two, is located at back pad [2] both sides respectively.

3, seat according to claim 1, it is characterized in that height locking mechanism [7] comprises wedge mouth [10], the fixed cover [11] outside guide rail [8] is fixed and be sleeved on to guide rail sleeve [6] that evenly is laid on the guide rail [8], be equiped with the fixture block [12] that cooperates with wedge mouth [10] and back-moving spring [13], button [14] in the fixed cover [11], the two ends of back-moving spring [13] are fixing with fixed cover [11], fixture block [12] respectively, and button [14] has two legs [15] to be enclosed within that guide rail is outer to be cooperated with fixture block [12].

4, seat according to claim 1 is characterized in that height locking mechanism [7] comprises the fixed cover [11] of fixing and be sleeved on guide rail [8] outside with guide rail sleeve [6], and slide block [16] is housed in the fixed cover [11], and slide block [16] is connected with regulates bolt [17].