WO2023143317A1 - 一种椅背结构及折叠椅 - Google Patents

一种椅背结构及折叠椅 Download PDF

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Publication number
WO2023143317A1
WO2023143317A1 PCT/CN2023/072947 CN2023072947W WO2023143317A1 WO 2023143317 A1 WO2023143317 A1 WO 2023143317A1 CN 2023072947 W CN2023072947 W CN 2023072947W WO 2023143317 A1 WO2023143317 A1 WO 2023143317A1
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WO
WIPO (PCT)
Prior art keywords
chair
backboard
edge
seat plate
sliding seat
Prior art date
Application number
PCT/CN2023/072947
Other languages
English (en)
French (fr)
Inventor
冷鹭浩
Original Assignee
冷鹭浩
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202220240650.3U external-priority patent/CN217408279U/zh
Priority claimed from CN202221587611.7U external-priority patent/CN218355244U/zh
Application filed by 冷鹭浩 filed Critical 冷鹭浩
Priority to AU2023212234A priority Critical patent/AU2023212234A1/en
Publication of WO2023143317A1 publication Critical patent/WO2023143317A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back

Definitions

  • the invention relates to a chair back structure and a folding chair adopting the chair back structure.
  • a chair back structure that combines a plastic backboard with a metal steel pipe.
  • the plastic backboard is either locked together with the metal steel pipe by bolts, or the plastic backboard has reserved mounting holes and is inserted into the metal steel pipe.
  • the way of bolt locking is easy to damage the plastic backplane, and the method of inserting and fixing the mounting holes is not firm, and no matter what the method requires, the thickness of the plastic backplane is relatively large, otherwise the bolt holes and mounting holes cannot be formed reliably. Therefore, the existing chair back structure combined with a plastic backboard and a metal steel pipe has the technical problems of poor structural stability and relatively high production costs.
  • the invention provides a chair back structure and a back chair adopting the chair back structure, which have good structural stability and effectively reduce the production of finished products.
  • the technical solution adopted by the present invention to solve its technical problems is:
  • the chair back structure includes a backboard and a fixed frame for supporting the backboard, the backboard is a plastic part, the fixed frame is a metal part, and at least the upper edge of the backboard is folded backward to form a fixed flange , the fixed frame is provided with an installation card slot corresponding to the fixed flange, the backboard is a blister board, the surface of the fixed flange is provided with plastic-molded or molded undercut teeth, and the fixed flange The side is inserted into the installation slot, and the undercut protruding tooth engages with the edge of the installation slot so as to restrict the fixed flange from detaching from the installation slot.
  • the backboard of the present invention adopts a plastic-absorbing board, which is thin in thickness and low in cost.
  • the undercut protruding teeth directly formed on the plastic-absorbing board can be easily inserted into the installation slot during assembly, and the assembly is simple and convenient.
  • the edge of the backboard and the edges on the left and right sides are folded backward to form the fixed flange, and the fixed flange is provided with the undercut protruding teeth at uniform intervals from the beginning to the end. Thereby the combination of the backboard and the fixed frame is more firm.
  • the undercut protruding teeth are located on the upper surface of the fixed flange.
  • the lower edge of the backboard is provided with blister curling towards the rear.
  • the blister curling can effectively improve the strength of the backboard.
  • the thickness of the backboard is 0.7-3mm.
  • the fixed frame includes left and right symmetrical support sections and an installation section connected between the top ends of the two support sections, the edge of the backboard is arc-shaped, and the installation section of the fixed frame
  • the shape is set corresponding to the shape of the edge of the backboard, and the installation slot starts from the top of one support section, passes through the installation section, and extends to the top of the other support section.
  • the fixed frame further includes a cross bar connected between the lower parts of the two supporting sections.
  • the rear side of the support section is provided with a hinge piece under the backboard.
  • the hinged piece is convenient to be hinged with the chair legs to form a folding chair.
  • a chair with a backrest includes a back structure, the back structure includes a back board and a fixing frame for supporting the back board, the back board is a plastic part, the fixing frame is a metal part, and the back board has at least an upper The edge is folded backward to form a fixed flange.
  • the fixed frame is provided with a mounting slot corresponding to the fixed flange. The undercut protruding tooth, the fixed flange is inserted into the installation slot, and the undercut protruding tooth engages with the edge of the installation slot so as to limit the fixed flange from detaching from the installation slot.
  • the armchair is foldable.
  • Fig. 1 depicts a three-dimensional schematic view of an open state of the recliner.
  • FIG. 2 is a schematic perspective view of the folded state of the reclining chair shown in FIG. 1 .
  • FIG. 3 is a schematic perspective view of the back structure of the reclining chair shown in FIG. 1 .
  • FIG. 4 shows an exploded view of the backrest board and the fixing frame of the chair back structure shown in FIG. 3 before assembly.
  • FIG. 5 is a schematic cross-sectional view of the backboard shown in FIG. 4 .
  • FIG. 6 is a schematic cross-sectional view of the fixing frame shown in FIG. 4 .
  • FIG. 7 is a schematic cross-sectional view of the seat back structure shown in FIG. 3 .
  • FIG. 8 is a schematic perspective view of the X-shaped folding chair of the second embodiment.
  • FIG. 9 is a schematic cross-sectional view of the X-shaped folding chair shown in FIG. 8 at the connection position between the seat plate and the chair legs (front chair legs).
  • the armchair of the present invention is a foldable armchair.
  • the back chair includes a chair back structure 10 , a seat plate structure 20 and chair legs 30 .
  • the connection relationship among the chair back structure 10, the chair legs 30, and the seat plate structure 20 and the folding action principle belong to the prior art, and no in-depth introduction will be given.
  • the chair back structure 10 includes a backboard 12 and a fixing frame 14 for supporting the backboard, the backboard 12 is a plastic part, and the fixing frame 14 is a metal part. At least the upper edge of the backboard 12 is folded backward to form a fixed flange 122 , and the fixed frame 14 is provided with a mounting slot 141 corresponding to the fixed flange.
  • the backboard 12 is a plastic-absorbing board, and the surface of the fixed flange 122 is provided with plastic-absorbing or compression-molded undercut protruding teeth 124 .
  • the backboard is a plastic-absorbing board, it is easy to adjust the bending angle of the fixed flange 122 during assembly, and it is also easy to squeeze the undercut protruding tooth 124 through the installation slot 141. After the assembly is completed , the undercut convex teeth 124 are snapped together with the fixed frame.
  • the upper edge of the backboard 12 and the left and right edges are folded backward to form the fixed flange 122 , and the fixed flange 122 is provided with the undercut protruding teeth 124 evenly spaced from the beginning to the end.
  • the undercut protruding teeth 124 are located on the upper surface of the fixing flange 122 .
  • the undercut protruding teeth 124 are pointed upwards.
  • the lower edge of the backboard 12 is provided with a blister curling edge 126 towards the rear.
  • the backboard is integrally formed by blister, which is easy to form.
  • the thickness of the backboard 12 is 0.7-3mm.
  • the fixed frame 14 includes support sections 142 symmetrically arranged left and right and connected to the tops of the two support sections.
  • the installation section 144 between the ends, the upper edge of the backboard 12 is arc-shaped, the shape of the installation section 144 of the fixed frame corresponds to the shape of the upper edge of the backboard 12, and the installation slot 141 is supported from a
  • the section 142 starts at the top and extends to the top of another supporting section 142 after passing through the mounting section 144 .
  • the fixed flanges on the left and right sides of the backboard and on the upper edge can be inserted into the installation slots to achieve clamping and fixing.
  • the fixed frame 14 further includes a cross bar 146 connected between the lower parts of the two supporting sections.
  • the rear side of the support section 142 is provided with a hinged piece 148 under the backboard, and the hinged piece is used to be hinged with the chair leg 30 .
  • This embodiment adopts the backrest 10 of the embodiment, and the improvement lies in the displacement structure between the chair legs and the seat plate of the folding chair, which improves the stability and simple structure of the folding chair, and the sliding parts slide smoothly for easy folding.
  • the X-type folding chair comprises a seat plate 20, two left and right symmetrical front legs 14 and two left and right symmetrical rear legs 30, between the front legs 14 and the seat plate 20 is a rotating hinge
  • connection mode of sliding be the connection mode of rotating hinge between the back chair leg 30 and the seat board 20, the position relation and the folding principle of the seat board 20, the front chair leg 14 and the back chair leg 30 are prior art.
  • the invention of the present application lies in the displacement structure between the front chair leg 14 and the seat plate 10, that is, rotation plus sliding.
  • connection mode that needs to rotate and slide between the rear chair leg 30 and the seat plate 20
  • front chair leg 14 the rear chair leg 30 and the seat plate 20 all need to adopt the connection method of rotating and sliding.
  • the connection method can adopt the technical solution of the present application.
  • the displacement structure between the chair legs and the seat plate will be described in detail below with the structure shown in Fig. 1 and Fig. 2 .
  • described front chair leg 14 is provided with connecting shaft 40
  • the side of described seat plate 20 is provided with reciprocating sliding seat 50
  • described sliding seat 50 is rotatably with The connecting shaft 40 is connected, therefore, the sliding seat 50 and the seat plate 20 can rotate and slide relative to the front leg 14 and the connecting shaft 40 .
  • the sliding seat 50 is U-shaped, and a U-shaped lining plastic part 60 is arranged inside the sliding seat, and the lining plastic part 60 is attached to the inner surface of the sliding seat, and the sliding seat 50 is from bottom to top
  • the top is socketed with the side of the seat plate 20 , so that the bottom of the inner plastic part 60 leans against the bottom of the side of the seat plate 20 .
  • the lining plastic part 60 is provided with a pressing edge 62, and the side of the seat plate 20 is provided with a positioning step 22, and the pressing edge 62 leans against the above positioning step 22 so as to limit the sliding seat 50 vertically. , to prevent the sliding seat 50 from being separated from the side of the seat plate 20 vertically.
  • the bottom surface or bottom edge of the lining plastic part 60 is provided with an upwardly protruding supporting rib 64 , and the supporting rib 64 leans against the bottom of the positioning step 22 . Therefore, the clamping edge 62 and the supporting rib 64 cooperate The lower clamping positioning step 22.
  • the seat plate 20 includes a blister panel 20-2 and a supporting frame 20-4, the outer side of the blister panel 20-2 is provided with a vertically downward surrounding edge 26, and the supporting frame 20-4 It is arranged along the inner surface of the surrounding edge 26, and the positioning step 22 is arranged on the inner surface of the supporting frame 20-4.
  • the bottom of the supporting frame 20-4 is turned outward to form a C-shaped riveting hook 18, and the bottom end of the surrounding edge 16 is inserted into the C-shaped riveting hook 18 and is carried out by the C-shaped riveting hook. Press firmly.
  • the bottom surface of the lining plastic part 60 is provided with a sliding groove 66 corresponding to the C-shaped riveting hook 28, and the C-shaped riveting hook is adapted to be installed in the sliding groove.
  • the lining plastic part 60 is provided with a positioning flange 68 on the side opposite to the pressing edge, and the side where the pressing edge 62 of the lining plastic part is located laterally blocks the positioning step 12 from the inside , the positioning flange 68 laterally blocks the outer side of the seat plate 10 from the outer side. Therefore, it is possible to prevent the slider from wobbling left and right.
  • the lining plastic part 60 is engaged with the sliding seat 50 .
  • the connecting shaft 40 is riveted on the front leg 14 .
  • the invention discloses a chair back structure and a recliner chair adopting the back structure.
  • the chair back structure includes a back board and a fixing frame for supporting the back board, the back board is a plastic part, and the fixing frame is a As a metal part, at least the upper edge of the backboard is folded backward to form a fixed flange, the fixed frame is provided with a mounting slot corresponding to the fixed flange, the back board is a blister board, and the surface of the fixed flange is There are plastic-molded or molded undercut teeth, the fixed flange is inserted into the installation slot, and the undercut teeth engage with the edge of the installation slot to limit the fixed flange. out of the mounting slot.
  • the undercut protruding teeth are engaged with the edge of the installation card slot, so that the fixed flange is firmly connected with the fixed frame.
  • the backboard is made of blister board, which is thin and low in cost.
  • the undercut protruding teeth directly formed on the blister board can be easily inserted into the installation slot during assembly, which is easy to assemble and has industrial applicability.

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

一种椅背结构（10）及采用椅背结构（10）的靠背椅，椅背结构（10）包括靠背板（12）及用于支撑靠背板（12）的固定框（14），靠背板（12）至少上边沿朝后翻折形成固定翻边（122），固定框（14）对应固定翻边（122）设有安装卡槽（141），靠背板（12）是吸塑板，固定翻边（122）表面设有吸塑成型或模压成型的倒扣凸齿（124），固定翻边（122）插入到安装卡槽（141）当中，倒扣凸齿（124）与安装卡槽（141）的边沿卡接从而限制固定翻边（122）脱离安装卡槽（141）。

Description

一种椅背结构及折叠椅 技术领域
本发明涉及一种椅背结构及采用该椅背结构的折叠椅。
背景技术
采用塑料背板与金属钢管结合的椅背结构很常见，塑料背板要么是由通过螺栓与金属钢管锁在一起，要么是塑料背板上预留安装孔与金属钢管插接在一起。螺栓锁紧的方式很容易破坏塑料背板，安装孔插接固定的方式不牢固，并且不管何种方式均要求塑料背板厚度较大，否则无法可靠地成型螺栓孔和安装孔。因此，现有塑料背板与金属钢管结合的椅背结构存在结构稳定性不好以及生产成本比较高的技术问题。
发明内容
本发明提供了一种椅背结构及采用该椅背结构的靠背椅，结构稳定性好，有效降低生产成品。本发明解决其技术问题所采用的技术方案是：
椅背结构，包括靠背板及用于支撑所述靠背板的固定框，所述靠背板是塑料件，所述固定框是金属件，所述靠背板至少上边沿朝后翻折形成固定翻边，所述固定框对应所述固定翻边设有安装卡槽，所述靠背板是吸塑板，所述固定翻边表面设有吸塑成型或模压成型的倒扣凸齿，所述固定翻边插入到所述安装卡槽当中，所述倒扣凸齿与所述安装卡槽的边沿卡接从而限制所述固定翻边脱离所述安装卡槽。
所述倒扣凸齿随固定翻边一起插入到安装卡槽后，倒扣凸齿与安装卡槽的边沿卡接，这样固定翻边就被牢牢地与固定框连接在一起。本发明的靠背板采用吸塑板，厚度薄成本低，吸塑板上直接成型的倒扣凸齿在组装的时候很容易插入到安装卡槽之中，组装简便。
一较佳实施例之中：所述靠背板上边沿及左右两侧的边沿均朝后翻折形成所述固定翻边，所述固定翻边从头到尾均匀间隙设置所述倒扣凸齿。从而靠背板与固定框的结合更牢固。
一较佳实施例之中：所述倒扣凸齿位于所述固定翻边的上表面。这样组装的时候 方便操作人员观察进行操作，提高装配的效率。
一较佳实施例之中：所述靠背板下边沿朝后设有吸塑卷边。所述吸塑卷边可以有效提高靠背板的强度。
一较佳实施例之中：所述靠背板的厚度是0.7-3mm。
一较佳实施例之中：所述固定框包括左右对称设置的支撑段以及连接于二支撑段顶端之间的安装段，所述靠背板上边沿是弧形状，所述固定框的安装段的形状对应所述靠背板上边沿的形状设置，所述安装卡槽从一支撑段顶部开始，经过安装段后，延伸到另一支撑段的顶部。从而靠背板与固定框的结合更牢固。
一较佳实施例之中：所述固定框还包括连接于二支撑段下部之间的横杆。
一较佳实施例之中：所述支撑段后侧在靠背板下方设有铰接片。所述铰接片方便与椅腿进行铰接，组成折叠椅。
靠背椅，包括椅背结构，所述椅背结构包括靠背板及用于支撑所述靠背板的固定框，所述靠背板是塑料件，所述固定框是金属件，所述靠背板至少上边沿朝后翻折形成固定翻边，所述固定框对应所述固定翻边设有安装卡槽，所述靠背板是吸塑板，所述固定翻边表面设有吸塑成型或模压成型的倒扣凸齿，所述固定翻边插入到所述安装卡槽当中，所述倒扣凸齿与所述安装卡槽的边沿卡接从而限制所述固定翻边脱离所述安装卡槽。
一较佳实施例之中：所述靠背椅可折叠。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1绘示了靠背椅打开状态的立体示意图。
图2绘示了图1所示靠背椅收折状态的立体示意图。
图3绘示了图1所示靠背椅的椅背结构的立体示意图。
图4绘示了图3所示椅背结构的靠背板与固定框组装前的分解示意图。
图5绘示了图4所示靠背板的断面示意图。
图6绘示了图4所示固定框的断面示意图。
图7绘示了图3所示椅背结构的断面示意图。
图8绘示了实施例2的X型折叠椅的立体示意图。
图9绘示了图8所示X型折叠椅在座板和椅腿(前椅腿)的连接位置的剖面示意图。
具体实施方式
实施例1：
请参照图1和图2，本发明的靠背椅是一款可折叠的靠背椅。靠背椅包括椅背结构10、座板结构20及椅腿30，椅背结构10底部也起支撑的作用，与椅腿30共同配合平稳地放置于地面之上，撑起座板结构20。椅背结构10、椅腿30、座板结构20三者的连接关系和折叠的动作原理属于现有技术，不做深入介绍。
请参照图3至图7，所述椅背结构10包括靠背板12及用于支撑所述靠背板的固定框14，所述靠背板12是塑料件，所述固定框14是金属件。所述靠背板12至少上边沿朝后翻折形成固定翻边122，所述固定框14对应所述固定翻边设有安装卡槽141。所述靠背板12是吸塑板，所述固定翻边122表面设有吸塑成型或模压成型的倒扣凸齿124。组装时，所述固定翻边122插入到所述安装卡槽141当中，所述倒扣凸齿124与所述安装卡槽141的边沿卡接从而限制所述固定翻边脱离所述安装卡槽。
由于所述靠背板是吸塑板，因此在组装的时候，可以很容易的调整固定翻边122的弯折角度，也可以很容易将倒扣凸齿124挤过安装卡槽141，组装完成后，倒扣凸齿124就与固定框卡接在一起。
本实施例当中，倒扣凸齿124是多个并沿固定翻边122的长度方向间隔设置。
优选地，所述靠背板12上边沿及左右两侧的边沿均朝后翻折形成所述固定翻边122，所述固定翻边122从头到尾均匀间隙设置所述倒扣凸齿124。
优选地，所述倒扣凸齿124位于所述固定翻边122的上表面。倒扣凸齿124是向上凸起的尖角形状。
优选地，所述靠背板12下边沿朝后设有吸塑卷边126。靠背板整体吸塑成型，成型方便。
优选地，所述靠背板12的厚度是0.7-3mm。
优选地，所述固定框14包括左右对称设置的支撑段142以及连接于二支撑段顶 端之间的安装段144，所述靠背板12上边沿是弧形状，所述固定框的安装段144的形状对应所述靠背板12上边沿的形状设置，所述安装卡槽141从一支撑段142顶部开始，经过安装段144后，延伸到另一支撑段142的顶部。这样，靠背板左右两侧以及上边沿的固定翻边都可以插入安装卡槽实现卡接固定。
优选地，所述固定框14还包括连接于二支撑段下部之间的横杆146。
优选地，所述支撑段142后侧在靠背板下方设有铰接片148，铰接片用于与椅腿30进行铰接。
实施例2：
本实施例系采用了实施例的靠背10，改进在于折叠椅的椅腿和座板之间的位移结构，提高了折叠椅的稳固性和结构简单，滑动件顺畅地进行滑动，方便收折。
请参照图8，X型折叠椅包括了座板20、两根左右对称设置的前椅腿14和两根左右对称设置的后椅腿30，前椅腿14和座板20之间是转动铰接并滑动的连接方式，后椅腿30和座板20之间是转动铰接的连接方式，座板20、前椅腿14和后椅腿30的位置关系和折叠原理是现有技术。本申请的发明点在于前椅腿14和座板10之间的位移结构，即转动加滑动。可以理解地，如果是后椅腿30和座板20之间的需要转动加滑动的连接方式，当然，如果前椅腿14、后椅腿30与座板20之间均需要采用转动加滑动的连接方式，都可以采用本申请的技术方案。下面以图1和图2所示的结构对椅腿和座板之间的位移结构进行详细介绍。
请参照图8和图9，所述前椅腿14上设置有连接轴40，而所述座板20的侧边设置有可往复滑动的滑座50，所述滑座50又可转动地与所述连接轴40相连接，因此，所述滑座50和座板20一起可相对所述前椅腿14上和连接轴40实现转动以及滑动。
所述滑座50呈U形状，所述滑座内设置有U形状的内衬塑料件60，所述内衬塑料件60附着于所述滑座的内表面，所述滑座50从下往上与所述座板20的侧边套接，从而所述内衬塑料件60的底边靠在所述座板20侧边下底部。所述内衬塑料件60设有压边62，所述座板20的侧边设有定位台阶22，所述压边62靠在所述定位台阶22上方从而在竖向上限制所述滑座50，阻止所述滑座50和所述座板20侧边竖向分离。
优选地，所述内衬塑料件60的底面或者说是底边设有向上凸起的支撑筋条64，所述支撑筋条64靠在所述定位台阶22的下方。因此，压边62和支撑筋条64配合上 下夹持定位台阶22。
优选地，所述座板20包括吸塑面板20-2和支撑边框20-4，所述吸塑面板20-2的外侧设有竖直向下的围边26，所述支撑边框20-4沿着所述围边26的内侧面设置，所述定位台阶22设置于所述支撑边框20-4的内侧面。
优选地，所述支撑边框20-4的底部朝外翻折形成C形铆钩18，所述围边16的底端部插入所述C形铆钩18当中并由所述C形铆钩进行压紧固定。
优选地，所述内衬塑料件60的底面对应所述C形铆钩28设有滑槽66，所述C形铆钩适配安装于所述滑槽内。
优选地，所述内衬塑料件60在与所述压边相对的侧边设有定位凸缘68，所述内衬塑料件的压边62所在的侧边从内侧横向挡住所述定位台阶12，所述定位凸缘68从外侧横向挡住所述座板10的外侧边。因此，能够防止滑座左右晃动。
优选地，所述内衬塑料件60与所述滑座50卡接。
优选地，所述连接轴40铆固于所述前椅腿14上。
以上所述，仅为本发明较佳实施例而已，故不能依此限定本发明实施的范围，即依本发明专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明涵盖的范围内。
工业实用性
本发明公开了一种椅背结构及采用该椅背结构的靠背椅，椅背结构包括靠背板及用于支撑所述靠背板的固定框，所述靠背板是塑料件，所述固定框是金属件，所述靠背板至少上边沿朝后翻折形成固定翻边，所述固定框对应所述固定翻边设有安装卡槽，所述靠背板是吸塑板，所述固定翻边表面设有吸塑成型或模压成型的倒扣凸齿，所述固定翻边插入到所述安装卡槽当中，所述倒扣凸齿与所述安装卡槽的边沿卡接从而限制所述固定翻边脱离所述安装卡槽。倒扣凸齿与安装卡槽的边沿卡接，这样固定翻边就被牢牢地与固定框连接在一起。靠背板采用吸塑板，厚度薄成本低，吸塑板上直接成型的倒扣凸齿在组装的时候很容易插入到安装卡槽之中，组装简便,具有工业实用性。

Claims (12)

  1. 椅背结构，包括靠背板及用于支撑所述靠背板的固定框，所述靠背板是塑料件，所述固定框是金属件，所述靠背板至少上边沿朝后翻折形成固定翻边，其特征在于：所述固定框对应所述固定翻边设有安装卡槽，所述靠背板是吸塑板，所述固定翻边表面设有吸塑成型或模压成型的倒扣凸齿，所述固定翻边插入到所述安装卡槽当中，所述倒扣凸齿与所述安装卡槽的边沿卡接从而限制所述固定翻边脱离所述安装卡槽。
  2. 根据权利要求1所述的椅背结构，其特征在于：所述靠背板上边沿及左右两侧的边沿均朝后翻折形成所述固定翻边，所述固定翻边从头到尾均匀间隙设置所述倒扣凸齿。
  3. 根据权利要求2所述的椅背结构，其特征在于：所述固定框包括左右对称设置的支撑段以及连接于二支撑段顶端之间的安装段，所述靠背板上边沿是弧形状，所述固定框的安装段的形状对应所述靠背板上边沿的形状设置，所述安装卡槽从一支撑段顶部开始，经过安装段后，延伸到另一支撑段的顶部。
  4. 根据权利要求3所述的椅背结构，其特征在于：所述固定框还包括连接于二支撑段下部之间的横杆。
  5. 一种折叠椅，包括权利1至4中任意一项的靠背，椅腿、座板；折叠椅的椅腿和座板之间的结构包括滑座和连接轴，所述滑座滑动地连接于座板的侧边，所述连接轴设置于椅腿上，所述滑座可转动地与所述连接轴相连接，所述滑座呈U形状，所述滑座内设置有U形状的内衬塑料件，所述内衬塑料件附着于所述滑座的内表面，所述滑座从下往上与所述座板的侧边套接，所述内衬塑料件设有压边，所述座板的侧边设有定位台阶，所述压边靠在所述定位台阶上方从而在竖向上限制所述滑座，阻止所述滑座和所述座板侧边竖向分离。
  6. 根据权利要求1所述的折叠椅，其特征在于：所述内衬塑料件的底面设有向上凸起的支撑筋条，所述支撑筋条靠在所述定位台阶的下方。
  7. 根据权利要求5或6所述的折叠椅，其特征在于：所述座板包括吸塑面板和支撑边框，所述吸塑面板的外侧设有竖直向下的围边，所述支撑边框沿着所述围边的内侧面设置，所述定位台阶设置于所述支撑边框的内侧面。
  8. 根据权利要求7所述的折叠椅，其特征在于：所述支撑边框的底部朝外翻折形 成C形铆钩，所述围边的底端部插入所述C形铆钩当中并由所述C形铆钩压紧固定。
  9. 根据权利要求7所述的折叠椅，其特征在于：所述内衬塑料件的底面对应所述C形铆钩设有滑槽，所述C形铆钩适配安装于所述滑槽内。
  10. 根据权利要求6所述的折叠椅，其特征在于：所述内衬塑料件在与所述压边相对的侧边设有定位凸缘，所述内衬塑料件的压边所在的侧边从内侧横向挡住所述定位台阶，所述定位凸缘从外侧横向挡住所述座板的外侧边。
  11. 根据权利要求5所述的折叠椅的椅腿和座板之间的位移结构，其特征在于：所述内衬塑料件与所述滑座卡接。
  12. 根据权利要求5所述的折叠椅的椅腿和座板之间的位移结构，其特征在于：所述连接轴铆固于所述椅腿上。
PCT/CN2023/072947 2022-01-28 2023-01-18 一种椅背结构及折叠椅 WO2023143317A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN2678465Y (zh) * 2004-02-24 2005-02-16 冷鹭浩 一种折叠椅
CN202135994U (zh) * 2011-06-04 2012-02-08 陈敏 座椅靠背安装结构
CN112535371A (zh) * 2020-09-29 2021-03-23 厦门新技术集成有限公司 塑钢椅
CN217408279U (zh) * 2022-01-28 2022-09-13 厦门新技术集成有限公司 椅背结构及采用该椅背结构的靠背椅

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2678465Y (zh) * 2004-02-24 2005-02-16 冷鹭浩 一种折叠椅
CN202135994U (zh) * 2011-06-04 2012-02-08 陈敏 座椅靠背安装结构
CN112535371A (zh) * 2020-09-29 2021-03-23 厦门新技术集成有限公司 塑钢椅
CN217408279U (zh) * 2022-01-28 2022-09-13 厦门新技术集成有限公司 椅背结构及采用该椅背结构的靠背椅

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