WO2022007200A1 - 一种无螺丝组装沙发 - Google Patents

一种无螺丝组装沙发 Download PDF

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Publication number
WO2022007200A1
WO2022007200A1 PCT/CN2020/117650 CN2020117650W WO2022007200A1 WO 2022007200 A1 WO2022007200 A1 WO 2022007200A1 CN 2020117650 W CN2020117650 W CN 2020117650W WO 2022007200 A1 WO2022007200 A1 WO 2022007200A1
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Prior art keywords
connecting piece
sofa
lower connecting
seat
matched
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PCT/CN2020/117650
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English (en)
French (fr)
Inventor
吴建
谢建强
李宗江
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浙江永强集团股份有限公司
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Publication of WO2022007200A1 publication Critical patent/WO2022007200A1/zh

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C4/00Foldable, collapsible or dismountable chairs
    • A47C4/02Dismountable chairs
    • A47C4/028Upholstered chairs, e.g. metal, plastic or wooden chairs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/02Sofas, couches, settees, or the like, without movable parts
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/04Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds

Definitions

  • the invention belongs to the field of furniture, in particular to a screwless assembly sofa.
  • a sofa is a common piece of furniture in people's daily life.
  • a sofa generally includes a sofa seat and armrests, and a sofa seat includes a seat body and a backrest.
  • the traditional way is to assemble the above components with screws.
  • the main defect of this assembly method is that the assembly steps are cumbersome. , time-consuming and labor-intensive, and the experience is very poor.
  • the present invention provides a technical solution for assembling a sofa without screws.
  • the screwless assembled sofa includes a sofa seat and armrests that are fitted together, and is characterized in that the sofa seat is fixedly fitted with a first lower connecting piece, the armrest is fixedly fitted with a first upper connecting piece, and a first lower connecting piece It is matched with the first upper connector plug-in card.
  • the screwless assembly sofa is characterized in that the seat body of the sofa seat is fixedly matched with the second lower connecting piece, the backrest of the sofa seat is fixedly matched with the second upper connecting piece, and the second lower connecting piece is connected with the second upper connecting piece. plug-in card.
  • the screwless assembly sofa is characterized in that the seat body of the sofa seat is fixedly matched with the backrest.
  • the screwless assembly sofa is characterized in that the seat body of the sofa seat is rotatably matched with the backrest.
  • the screwless assembly sofa is characterized in that the seat body and the backrest of the sofa seat are fixedly matched with the first lower connector, and the armrests are respectively realized by the plug-in cooperation of the first upper connector and the first lower connector. Mounting with seat body and backrest.
  • the screwless assembly sofa is characterized in that the upper connecting piece and the lower connecting piece are also snap-fitted by a snap-fit structure when they are inserted and matched.
  • the screwless assembly sofa is characterized in that the upper connector and the lower connector are inserted and matched, and one of them is provided with a convex knot, the other is provided with a card slot, and the convex knot and the card slot are buckled Cooperate.
  • the screwless assembly sofa is characterized in that when the upper connecting piece and the lower connecting piece are inserted and matched, the two are tightly fitted through a taper.
  • the screwless assembly sofa is characterized in that the upper connecting piece and the lower connecting piece are both V-shaped structures with folded edges on both sides.
  • the armrest and the sofa seat in the present invention are installed by means of card insertion, which simplifies the assembly steps, shortens the assembly time, eliminates the dependence on tools, and the easy and fast assembly greatly improves the experience.
  • the present invention is also provided with a buckle structure, which can prevent problems such as easy falling off after loose parts during use of the sofa.
  • Fig. 1 is one of embodiment 1 decomposition structure schematic diagram
  • Embodiment 2 is the second schematic diagram of the exploded structure of Embodiment 1;
  • Fig. 3 is the structural representation when embodiment 1 is assembled
  • FIG. 4 is a schematic diagram of a mating process between the upper connector and the lower connector in Embodiment 1;
  • FIG. 5 is a schematic top view structure diagram of the upper connector in Embodiment 1;
  • FIG. 6 is a schematic view of the bottom view of the upper connector in Embodiment 1;
  • Fig. 7 is the top view structure schematic diagram of the lower connector in Embodiment 1;
  • Fig. 8 is the bottom view structural schematic diagram of the lower connector in the embodiment 1;
  • FIG. 9 is a schematic cross-sectional view of the upper connector and the lower connector in the embodiment 1 when they are inserted into a card;
  • Fig. 10 is one of the schematic diagrams of the exploded structure of Embodiment 2;
  • Figure 11 is the second schematic diagram of the exploded structure of Embodiment 2;
  • Fig. 12 is the structural schematic diagram when embodiment 2 is assembled
  • Fig. 13 is one of the schematic diagrams of the exploded structure of Embodiment 3.
  • Figure 14 is the second schematic diagram of the exploded structure of Embodiment 3.
  • FIG. 15 is a schematic structural diagram of Example 3 when the assembly is completed.
  • a screwless assembled sofa includes a sofa seat and armrests 1 that are installed together.
  • the sofa seat can be installed with the armrest 1 only on one side, or the armrests 1 can be installed on both sides.
  • the armrest 1 is fixedly fitted with the first lower connecting piece 4a, the armrest 1 is fixedly fitted with the first upper connecting piece 5a, and the first lower connecting piece 4a and the first upper connecting piece 5a are inserted and matched.
  • the sofa seat includes a seat body 2 and a backrest 3, the seat body 2 and the backrest 3 are fixedly matched, and the two can be integrally formed, and can also be fixed by bolts or welding.
  • first lower connector 4a is distributed between the seat body 2 and the backrest 3: both sides of the seat body 2 and the backrest 3 of the sofa seat are fixedly fitted with the first lower connector 4a, and the armrest 1 passes through the first upper connector 4a.
  • the connecting piece 5a and the first lower connecting piece 4a are inserted into the socket to realize the installation with the seat body 2 and the backrest 3 respectively.
  • the base body 2 is fixedly fitted with the base body mounting frame 20 for mounting the first lower connecting piece 4a, and the first lower connecting piece 4a can be fixed by bolts or welding.
  • a backrest mounting bracket 30 for mounting the first lower connecting piece 4a is fixedly fitted on the backrest 3, and the first lower connecting piece 4a can be fixed by bolts or welding.
  • the handrail 1 is fixedly fitted with a handrail mounting frame 10 for installing the first upper connecting piece 5a, and the first upper connecting piece 5a can be fixed by bolts or welding.
  • the first lower connector 4a can be referred to as the lower connector 4, and the first upper connector 5a can be referred to as the upper connector 5.
  • the connector 4 is also snap-fitted by the buckle structure.
  • one of the upper connector 5 and the lower connector 4 is provided with a convex knot 6, and the other is provided with a card slot 7.
  • the convex knot 6 and the card slot 7 snap fit.
  • the convex knot 6 is fixedly fitted to the upper connecting member 5, the clamping slot 7 is opened in the lower connecting member 4, and the positions of the convex knot 6 and the clamping groove 7 can be interchanged, that is, the convex knot 6 is fixedly fitted to the lower connecting member 4,
  • the card slot 7 is opened on the upper connecting member 5 .
  • the upper connector 5 and the lower connector 4 are V-shaped structures with folded edges on both sides, the lower connector 4 is slightly larger than the upper connector 5, and the upper connector 5 is inserted into the lower connector.
  • the taper interference generated by the V-shaped structure is used.
  • the upper connector 5 and the lower connector 4 can also be designed into an inverted V-shaped structure, and the upper connector 5 is designed The structure is slightly larger than that of the lower connecting piece 4, so that the upper connecting piece 5 can also be inserted into the lower connecting piece 4 by using the taper interference.
  • the sofa seat and the armrest 1 are installed by inserting a card, and the armrest 1 can be disassembled separately, which is convenient for storage and transportation.
  • the upper connecting piece 5 into the lower connecting piece 4, and the upper connecting piece 5.
  • the lower connector 4 is tightly clamped by interference, and the convex knot 6 will be automatically buckled with the slot 7 to prevent the sofa from falling off easily after the parts are loosened during use.
  • Embodiment 2 the difference between Embodiment 2 and Embodiment 1 is that the seat body 2 of the sofa seat is rotatably matched with the backrest 3 .
  • the two sides of the seat body 2 and the backrest 3 are rotatably matched by bolts, and the bolts are screwed with nuts for locking the rotation of the backrest.
  • the sofa seat and the armrest 1 are installed by inserting a card, and the armrest 1 can be disassembled separately, which is convenient for storage and transportation.
  • the upper connecting piece 5 into the lower connecting piece 4, and the upper connecting piece 5.
  • the lower connector 4 is tightly clamped by interference, and the convex knot 6 will be automatically buckled with the slot 7 to prevent the sofa from falling off easily after the parts are loosened during use.
  • the backrest 3 when the nut is tightened, the backrest 3 is fixed for people to rest; when the nut is loosened, the backrest 3 can be rotated to the level, which is convenient for storage and transportation.
  • a screwless assembled sofa includes a sofa seat and armrests 1 that are installed together.
  • the sofa seat can be installed with the armrest 1 only on one side, or both sides can be installed with the armrests 1.
  • the sofa seat The armrest 1 is fixedly fitted with the first lower connecting piece 4a, the armrest 1 is fixedly fitted with the first upper connecting piece 5a, and the first lower connecting piece 4a and the first upper connecting piece 5a are inserted and matched.
  • the sofa seat includes a seat body 2 and a backrest 3.
  • the seat body 2 is fixedly fitted with a second lower connecting piece 4b
  • the backrest 3 of the sofa seat is fixedly fitted with a second upper connecting piece 5b
  • the second lower connecting piece 4b is connected with the second upper connecting piece. 5b card mating.
  • the seat body 2 and the backrest 3 of the sofa seat are fixedly matched with the first lower connector 4a, and the armrest 1 passes through the first upper connector 5a
  • the installation with the seat body 2 and the backrest 3 is realized by the card insertion cooperation with the first lower connecting piece 4a, respectively.
  • the base body 2 is fixedly fitted with the base body mounting bracket 20 for mounting the first lower connecting piece 4a and the second lower connecting piece 4b, and the first lower connecting piece 4a and the second lower connecting piece 4b can be bolted fixed or welded.
  • the backrest mounting bracket 30 for mounting the first lower connecting piece 4a and the second upper connecting piece 5b is fixedly fitted on the backrest 3, and the first lower connecting piece 4a and the second upper connecting piece 5b can be fixed by bolts or welding.
  • the handrail 1 is fixedly fitted with a handrail mounting frame 10 for installing the first upper connecting piece 5a, and the first upper connecting piece 5a can be fixed by bolts or welding.
  • the second lower connector 4b has the same structure as the first lower connector 4a, and the two are collectively referred to as the lower connector 4.
  • the second upper connector 5b has the same structure as the first upper connector 5a, and they are collectively referred to as the upper connector. 5.
  • the connection structure of the upper connector 5 and the corresponding lower connector 4 when the upper connector 5 is inserted into the corresponding lower connector 4, it is also snap-fitted through the buckle structure, specifically the upper connector 5 and the lower connector.
  • One of the pieces 4 is provided with a convex knot 6 , and the other is provided with a clamping groove 7 , and the convex knot 6 is snap-fitted with the clamping groove 7 .
  • the convex knot 6 is fixedly fitted to the upper connecting member 5, the clamping slot 7 is opened in the lower connecting member 4, and the positions of the convex knot 6 and the clamping groove 7 can be interchanged, that is, the convex knot 6 is fixedly fitted to the lower connecting member 4,
  • the card slot 7 is opened on the upper connecting member 5 .
  • the upper connector 5 and the lower connector 4 are both V-shaped structures with folded edges on both sides, the lower connector 4 is slightly larger than the upper connector 5, and the upper connector 5 is inserted into the card On the lower connector 4, when the two are inserted into the card and matched, the taper interference generated by the V-shaped structure is used.
  • the upper connector 5 and the lower connector 4 can also be designed to be inverted V-shaped 5 is designed to be slightly larger than the structure of the lower connecting piece 4, so that the upper connecting piece 5 can also be inserted on the lower connecting piece 4 by using the taper interference.
  • the seat body 2 is installed with the armrest 1 and the backrest 3 by means of card insertion.
  • the armrest 1 and the backrest 3 can be disassembled separately, which is convenient for storage and transportation.
  • the upper connecting piece 5 and the lower connector 4 are tightly clamped, and the convex knot 6 will automatically lock with the slot 7 to prevent the sofa from being loose and easy to fall off when the sofa is in use.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

一种无螺丝组装沙发,包括配合安装的沙发座和扶手(1),沙发座固定配合第一下连接件(4a),扶手(1)固定配合第一上连接件(5a),第一下连接件(4a)与第一上连接件(5a)插卡配合。扶手(1)与沙发座采用插卡配合的方式安装,简化了组装步骤,缩短了组装时间,消除了对工具的依赖,轻松快速的组装大大提升了体验感。此外,还设置了卡扣结构,能够防止沙发使用当中部件松动后易脱落等问题。

Description

一种无螺丝组装沙发 技术领域
本发明属于家具领域,具体涉及一种无螺丝组装沙发。
背景技术
沙发是人们日常生活中常见的家具,沙发一般包括沙发座和扶手,沙发座包括座体和靠背,传统的方式是通过螺钉对上述部件进行组装,这种组装方式的主要缺陷在于:组装步骤繁琐,费时费力,体验感很差。
发明内容
为了弥补现有技术的不足,本发明提供一种无螺丝组装沙发的技术方案。
所述的一种无螺丝组装沙发,包括配合安装的沙发座和扶手,其特征在于所述沙发座固定配合第一下连接件,所述扶手固定配合第一上连接件,第一下连接件与第一上连接件插卡配合。
所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体固定配合第二下连接件,沙发座的靠背固定配合第二上连接件,第二下连接件与第二上连接件插卡配合。
所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体与靠背固定配合。
所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体与靠背转动配合。
所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体和靠背均固定配合第一下连接件,扶手通过第一上连接件与第一下连接件的插卡配合分别实现与座体和靠背的安装。
所述的一种无螺丝组装沙发,其特征在于所述上连接件与下连接件插卡配合时还通过卡扣结构卡扣配合。
所述的一种无螺丝组装沙发,其特征在于所述上连接件与下连接件插卡配合, 并且其中一者上设置凸结,另一者上设置卡槽,凸结与卡槽卡扣配合。
所述的一种无螺丝组装沙发,其特征在于所述上连接件与下连接件插卡配合时,两者通过锥度过盈紧配。
所述的一种无螺丝组装沙发,其特征在于所述上连接件和下连接件均为两侧带折边的V形结构。
与现有技术相比,本发明中的扶手与沙发座采用插卡配合的方式安装,简化了组装步骤,缩短了组装时间,消除了对工具的依赖,轻松快速的组装大大提升了体验感,本发明还设置了卡扣结构,能够防止沙发使用当中部件松动后易脱落等问题。
附图说明
图1为实施例1分解结构示意图之一;
图2为实施例1分解结构示意图之二;
图3为实施例1组装完成时的结构示意图;
图4为实施例1中上连接件与下连接件插卡配合过程示意图;
图5为实施例1中上连接件俯视结构示意图;
图6为实施例1中上连接件仰视结构示意图;
图7为实施例1中下连接件俯视结构示意图;
图8为实施例1中下连接件仰视结构示意图;
图9为实施例1中上连接件与下连接件插卡配合时的横截面示意图;
图10为实施例2分解结构示意图之一;
图11为实施例2分解结构示意图之二;
图12为实施例2组装完成时的结构示意图;
图13为实施例3分解结构示意图之一;
图14为实施例3分解结构示意图之二;
图15为实施例3组装完成时的结构示意图。
具体实施方式
下面结合附图对本发明作进一步说明。
实施例1
如图1-9所示,一种无螺丝组装沙发,包括配合安装的沙发座和扶手1,所述沙发座可仅一侧安装扶手1,也可两侧均安装扶手1,所述沙发座固定配合第一下连接件4a,所述扶手1固定配合第一上连接件5a,第一下连接件4a与第一上连接件5a插卡配合。
所述沙发座包括座体2和靠背3,座体2与靠背3固定配合,两者可以一体成型,也可以通过螺栓固定或者焊接固定。
对第一下连接件4a在座体2与靠背3之间如何分配的说明:所述沙发座的座体2和靠背3的两侧均固定配合第一下连接件4a,扶手1通过第一上连接件5a与第一下连接件4a的插卡配合分别实现与座体2和靠背3的安装。
在上述结构中,座体2上固定配合用以安装第一下连接件4a的座体安装架20,第一下连接件4a可以通过螺栓固定或焊接固定。靠背3上固定配合用以安装第一下连接件4a的靠背安装架30,第一下连接件4a可以通过螺栓固定或焊接固定。扶手1上固定配合用以安装第一上连接件5a的扶手安装架10,第一上连接件5a可以通过螺栓固定或焊接固定。
第一下连接件4a可称为下连接件4,与第一上连接件5a可称为上连接件5,上连接件5和下连接件4的连接结构:所述上连接件5与下连接件4插卡时还通过卡扣结构卡扣配合,具体为上连接件5和下连接件4其中一者上设置凸结6,另一者上设置卡槽7,凸结6与卡槽7卡扣配合。具体实施时,凸结6固定配合于上连接件5,卡槽7开设于下连接件4,凸结6与卡槽7的位置可互换,即凸结6固定配合于下连接件4,卡槽7开设于上连接件5。
对上述连接结构的进一步说明:所述上连接件5和下连接件4均为两侧带折边 的V形结构,下连接件4略大于上连接件5,上连接件5插卡于下连接件4上,两者插装配合时,通过V形结构产生的锥度过盈紧配,此外,也可以将上连接件5和下连接件4设计成倒V形结构,上连接件5设计成略大于下连接件4的结构,这样上连接件5也能利用锥度过盈插装于下连接件4上。
本实施例中的沙发座与扶手1采用插卡的方式安装,扶手1能够单独拆卸下来,方便收纳和运输,安装时只要将上连接件5对准下连接件4插入即可,上连接件5与下连接件4过盈卡紧,凸结6会自动与卡槽7卡扣,防止沙发使用当中部件松动后易脱落等问题。
实施例2
如图10-12所示,实施例2与实施例1的区别在于:所述沙发座的座体2与靠背3转动配合。具体实施时,座体2与靠背3的两侧通过螺栓转动配合,螺栓上螺接用以对靠背的转动进行锁定的螺母。
本实施例中的沙发座与扶手1采用插卡的方式安装,扶手1能够单独拆卸下来,方便收纳和运输,安装时只要将上连接件5对准下连接件4插入即可,上连接件5与下连接件4过盈卡紧,凸结6会自动与卡槽7卡扣,防止沙发使用当中部件松动后易脱落等问题。
本实施例拧紧螺母时,靠背3固定,供人休息;松开螺母时,靠背3可转动至水平,方便收纳、运输。
实施例3
如图13-15所示,一种无螺丝组装沙发,包括配合安装的沙发座和扶手1,所述沙发座可仅一侧安装扶手1,也可两侧均安装扶手1,所述沙发座固定配合第一下连接件4a,所述扶手1固定配合第一上连接件5a,第一下连接件4a与第一上连接件5a插卡配合。
所述沙发座包括座体2和靠背3,座体2固定配合第二下连接件4b,沙发座的 靠背3固定配合第二上连接件5b,第二下连接件4b与第二上连接件5b插卡配合。
对第一下连接件4a在座体2与靠背3之间如何分配的说明:所述沙发座的座体2和靠背3均固定配合第一下连接件4a,扶手1通过第一上连接件5a与第一下连接件4a的插卡配合分别实现与座体2和靠背3的安装。
在上述结构中,座体2上固定配合用以安装第一下连接件4a和第二下连接件4b的座体安装架20,第一下连接件4a和第二下连接件4b可以通过螺栓固定或焊接固定。靠背3上固定配合用以安装第一下连接件4a和第二上连接件5b的靠背安装架30,第一下连接件4a和第二上连接件5b可以通过螺栓固定或焊接固定。扶手1上固定配合用以安装第一上连接件5a的扶手安装架10,第一上连接件5a可以通过螺栓固定或焊接固定。
第二下连接件4b与第一下连接件4a的结构相同,两者统称为下连接件4,第二上连接件5b与第一上连接件5a的结构相同,两者统称为上连接件5,上连接件5和对应下连接件4的连接结构:所述上连接件5与对应下连接件4插卡配合时还通过卡扣结构卡扣配合,具体为上连接件5和下连接件4其中一者上设置凸结6,另一者上设置卡槽7,凸结6与卡槽7卡扣配合。具体实施时,凸结6固定配合于上连接件5,卡槽7开设于下连接件4,凸结6与卡槽7的位置可互换,即凸结6固定配合于下连接件4,卡槽7开设于上连接件5。
对上述连接结构的进一步说明:所述上连接件5和下连接件4均为两侧带折边的V形结构,下连接件4略大于上连接件5,上连接件5过盈插卡于下连接件4上,两者插卡配合时,通过V形结构产生的锥度过盈紧配,此外,也可以将上连接件5和下连接件4设计成倒V形结构,上连接件5设计成略大于下连接件4的结构,这样上连接件5也能利用锥度过盈插装于下连接件4上。
本实施例中的座体2分别与扶手1和靠背3采用插卡的方式安装,扶手1和靠背3能够单独拆卸下来,方便收纳和运输,安装时只要将上连接件5对准下连接件4 插入即可,上连接件5与下连接件4过盈卡紧,凸结6会自动与卡槽7卡扣,防止沙发使用当中部件松动后易脱落等问题。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (9)

  1. 一种无螺丝组装沙发,包括配合安装的沙发座和扶手(1),其特征在于所述沙发座固定配合第一下连接件(4a),所述扶手(1)固定配合第一上连接件(5a),第一下连接件(4a)与第一上连接件(5a)插卡配合。
  2. 根据权利要求1所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体(2)固定配合第二下连接件(4b),沙发座的靠背(3)固定配合第二上连接件(5b),第二下连接件(4b)与第二上连接件(5b)插卡配合。
  3. 根据权利要求1所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体(2)与靠背(3)固定配合。
  4. 根据权利要求1所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体(2)与靠背(3)转动配合。
  5. 根据权利要求1-4中任一所述的一种无螺丝组装沙发,其特征在于所述沙发座的座体(2)和靠背(3)均固定配合第一下连接件(4a),扶手(1)通过第一上连接件(5a)与第一下连接件(4a)的插卡配合分别实现与座体(2)和靠背(3)的安装。
  6. 根据权利要求1-4中任一所述的一种无螺丝组装沙发,其特征在于所述上连接件(5)与下连接件(4)插卡配合时还通过卡扣结构卡扣配合。
  7. 根据权利要求6所述的一种无螺丝组装沙发,其特征在于所述上连接件(5)与下连接件(4)插卡配合时,并且其中一者上设置凸结(6),另一者上设置卡槽(7),凸结(6)与卡槽(7)卡扣配合。
  8. 根据权利要求1-4中任一所述的一种无螺丝组装沙发,其特征在于所述上连接件(5)与下连接件(4)插卡配合时,两者通过锥度过盈紧配。
  9. 根据权利要求8所述的一种无螺丝组装沙发,其特征在于所述上连接件(5)和下连接件(4)均为两侧带折边的V形结构。
PCT/CN2020/117650 2020-07-09 2020-09-25 一种无螺丝组装沙发 WO2022007200A1 (zh)

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