CN2176685Y

CN2176685Y - Semi-automatic adjustable three-folding sofa changeable to bed

Info

Publication number: CN2176685Y
Application number: CN 93236696
Authority: CN
Inventors: 查顺喜
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-09
Filing date: 1993-04-09
Publication date: 1994-09-14
Anticipated expiration: 2003-04-09

Abstract

The utility model relates to a semi-automatic adjustable sofa bed which can be folded into three segments, which belongs to daily life necessities, and is composed of a bed tail frame, a main pipe of a seat frame, a backrest frame, movable and adjustable legs and fixed legs. The frame is provided with frame supports, bandages and an elastic covering layer. The angles of the backrest frame and the bed tail frame can be freely regulated by a regulating wheel and a spring tongue which are arranged between the main pipe of the seat frame, and the backrest frame and the bed tail frame. Capable of serving as a sofa as well as a bed, the utility model has sitting, lying, back-resting, sleeping and folding functions, simple structure, complete functions, little land occupation and high utilization rate, can be conveniently, agilely and reliably folded and stored, and is suitable for various occasions and people of different ages.

Description

Semi-automatic adjustable three-folding sofa changeable to bed

The utility model relates to a kind of semi-automatic adjustable three folding divans, belongs to the daily life necessity.

Folding bed commonly used only has and couches and fold function.China utility model patent CN2116400U discloses a kind of " leaning against the light folding bed of adjustable angle formula ", this folding bed is regulated backrest angle with adjusting tooth bar, had that can crouch can be by the function of sitting, but shank must stretch or bent leg is placed on a side of bed when sitting, and inconvenience is uncomfortable during use.

The purpose of this utility model is to avoid the above-mentioned weak point of prior art, and provides a kind of backrest and the tailstock angle is adjustable arbitrarily, freely select seat, chair, lie, the attitude formula that crouches, both can make the semi-automatic adjustable three folding divans that sofa can be made bed.

Task of the present utility model is finished by following technical measures.

The utility model is responsible for, is carried on the back frame, active adjustable pin and fixing feet by tailstock framework, seat frame and forms.Tailstock is housed on the tailstock framework to be supported and bandage, the seat frame is responsible for a frame supported and bandage is housed, back of the body frame is housed on the back of the body frame supports and bandage, fixing feet is fixed present frame by the fixing feet shell and is responsible on the end, on the other end of active adjustable pin by the fixing present frame person in charge of active pin shell.Two joint wheel back of the body joints are equipped with at the two ends that it is characterized in that carrying on the back frame, and two deutomerite wheel tail joints are equipped with at the two ends of tailstock framework.Install the joint wheel in two prosthomere wheel back of the body joints and two deutomerite wheel tail joints, prosthomere hub and deutomerite hub respectively are equipped with in two seat frame person in charges' two ends, the tongue of rotation is housed on pin in prosthomere hub and the deutomerite hub, the tip of the tongue of tongue can insert in the gear teeth of joint wheel, with spring the tongue rear end is connected with steady pin.

Joint wheel in the prosthomere wheel back of the body joint at back of the body frame two ends is when movable direction one side pin moves, the A face of joint wheel is released the joint wheel gear teeth with the tip of the tongue of tongue, locate in the corresponding gear teeth according to back of the body frame angle requirement the tip of the tongue insertion joint wheel under spring action, until the B position that the tip of the tongue inserts the gear teeth, the back of the body frame of band joint wheel is horizontal level.Equally, when the joint wheel in the deutomerite wheel tail joint at tailstock framework two ends slightly upwards lifted, joint wheel A face promptly was with the tailstock framework of joint wheel upwards to lift on the joint wheel on the tongue the tip of the tongue release joint wheel gear teeth, until the B position that the tongue the tip of the tongue inserts the joint wheel gear teeth, the tailstock framework (see figure 1) that is the level of state.

Back of the body frame, the seat frame that has a frame supported be responsible for and the tailstock framework on be provided with by interior and fill out the clad that elastomeric material and slip cover are formed, slip cover is provided with slide fastener.

The utility model compared with prior art has following advantage: 1, the utility model adopts gearshift of joint wheel and off-gear, to regulate backrest and tail bed angle, backrest and tail bed adjusting angle are 0～90 ° of stepless variable block, any adapter be need not increase and semi-automatic any adjusting backrest and tailstock angle got final product, operate simple and easy, flexibility and reliability.

2, the utlity model has the elasticity clad, can be used as hotel, hostel, hospital and bathroom increases the high gear time berth optional desirable divan that couches.Use in general family, day intercropping sofa seating is made bed and use night, not only beautifies the environment but also can make full use of living floor space.

The explanation of accompanying drawing drawing:

Fig. 1 is the utility model structural representation.

Fig. 2 is an A position joint wheel construction schematic diagram among Fig. 1.

Fig. 3 has the structural representation of clad for the utility model.

Following the utility model will describe in detail embodiment (in conjunction with the accompanying drawings).

The utility model shown in Figure 1 is responsible for ［ 10 ］, back of the body frame ［ 17 ］, active adjustable pin ［ 9 ］ and fixing feet ［ 15 ］ by tailstock framework ［ 1 ］, seat frame and is formed.Tailstock is housed on the tailstock framework ［ 1 ］ supports ［ 3 ］ and bandage ［ 2 ］, the seat frame is responsible on ［ 10 ］ frame supported ［ 4 and 8 ］ and bandage ［ 2 ］ is housed, back of the body frame is housed on the back of the body frame ［ 17 ］ supports ［ 14 and 16 ］ and bandage ［ 2 ］, fixing feet ［ 15 ］ is responsible on ［ 10 ］ one ends by the fixing present frame of fixing feet shell ［ 12 ］, and active adjustable pin ［ 9 ］ is responsible on the other end of ［ 10 ］ by the fixing present frame of active pin shell ［ 7 ］.

Two prosthomere wheel back of the body joints ［ 13 ］ are equipped with at the two ends of back of the body frame ［ 17 ］, two deutomerite wheel tail joints ［ 5 ］ are equipped with at tailstock framework ［ 1 ］ two ends, two prosthomere wheel back of the body joints ［ 13 ］ and two deutomerite are taken turns and are installed joint wheel ［ 18 ］ (see figure 2) in the tail joints ［ 5 ］, prosthomere hub ［ 11 ］ and deutomerite hub ［ 6 ］ respectively are equipped with in two seat frame person in charges' ［ 10 ］ two ends, rotating tongue ［ 22 ］ is housed on the pin wherein ［ 21 ］, the tip of the tongue ［ 20 ］ of tongue ［ 22 ］ can insert in the gear teeth ［ 19 ］ of joint wheel ［ 18 ］, with spring ［ 23 ］ tongue ［ 22 ］ rear end is connected with steady pin ［ 24 ］.

Back of the body frame ［ 17 ］, the seat frame that has a frame supported ［ 4,8 ］ are responsible for ［ 10 ］ and tailstock framework ［ 1 ］ and are provided with by interior and fill out the clad ［ 28 ］ that elastomeric material ［ 27 ］ and slip cover ［ 26 ］ are formed, and slip cover ［ 26 ］ is provided with slide fastener ［ 25 ］ (see figure 3).

When the utility model uses as sofa, the back of the body frame ［ 17 ］ of band joint wheel ［ 18 ］ is in vertical position, the tongue ［ 20 ］ of tongue ［ 22 ］ inserts in first gear teeth ［ 19 ］ of joint wheel ［ 18 ］, according to lying by the angle requirement, pull joint wheel ［ 18 ］, the A face of joint wheel ［ 18 ］ is released the tongue the tip of the tongue ［ 20 ］, under the effect of spring ［ 23 ］ the required angle of insertion the gear teeth ［ 19 ］ in.Be used as a time spent, the tip of the tongue ［ 20 ］ inserted in the B position gear teeth of joint wheel ［ 18 ］, back of the body frame ［ 17 ］ is horizontal.Be used as the sofa time spent, the tailstock framework ［ 1 ］ of band joint wheel ［ 18 ］ is pulled downwards, and the tip of the tongue ［ 20 ］ is inserted in first gear teeth ［ 19 ］ of joint wheel ［ 18 ］, is used as a time spent, the tip of the tongue ［ 20 ］ inserts in the B position gear teeth of joint wheel ［ 18 ］, and tailstock framework ［ 1 ］ is horizontal.Active adjustable pin ［ 9 ］ is rotational support tailstock framework ［ 1 ］ forward.Backrest ［ 17 ］ and tailstock framework ［ 1 ］ adjusting angle can stepless gearshifts in 90 °, and when surpassing 90 °, tongue ［ 22 ］ resets 0 ° with regard to off-gear under spring ［ 23 ］ effect.

Claims

1, a kind of semi-automatic adjustable three folding divans, by tailstock framework [1], the seat frame is responsible for [10], back of the body frame [17], active adjustable pin [9] and fixing feet [15] are formed, tailstock is housed on the tailstock framework [1] supports [3] and bandage [2], the seat frame is responsible on [10] frame supported [4 and 8] and bandage [2] is housed, back of the body frame is housed on the back of the body frame [17] supports [14 and 16] and bandage [2], fixing feet [15] is responsible on [10] one ends by the fixing present frame of fixing feet shell [12], active adjustable pin [9] is responsible on the other end of [10] by the fixing present frame of active pin shell [7], it is characterized in that: two prosthomere wheel back of the body joints [13] are equipped with at the two ends of back of the body frame [17], two deutomerite wheel tail joints [5] are equipped with at the two ends of tailstock framework [1], two prosthomere wheel back of the body joints [13] and two deutomerite are taken turns and are installed joint wheel [18] in the tail joints [5], prosthomere hub [11] and deutomerite hub [6] respectively are equipped with in two seat frame person in charges' [10] two ends, rotating tongue [22] is housed on pin [21] in prosthomere hub [11] and the deutomerite hub [6], the tip of the tongue [20] of tongue [22] can insert in the gear teeth [19] of joint wheel [18], with spring [23] tongue [22] rear end is connected with steady pin [24].

2, semi-automatic adjustable three folding divans according to claim 1, it is characterized in that carrying on the back frame ［ 17 ］, have the frame supported seat frame of ［ 4 and 8 ］ is responsible for ［ 10 ］ and tailstock framework ［ 1 ］ and is provided with by interior and fills out the clad ［ 28 ］ that elastomeric material ［ 27 ］ and slip cover ［ 26 ］ are formed, slip cover ［ 26 ］ is provided with slide fastener ［ 25 ］.