TW202415322A - Seat back linkage device for chair - Google Patents

Seat back linkage device for chair Download PDF

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Publication number
TW202415322A
TW202415322A TW111137719A TW111137719A TW202415322A TW 202415322 A TW202415322 A TW 202415322A TW 111137719 A TW111137719 A TW 111137719A TW 111137719 A TW111137719 A TW 111137719A TW 202415322 A TW202415322 A TW 202415322A
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Taiwan
Prior art keywords
seat
assembly
chair
plate
chassis
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TW111137719A
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Chinese (zh)
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TWI808904B (en
Inventor
吳玉玲
阿明羅蘭 桑德
馬丁 波特里庫斯
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宣禹實業股份有限公司
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Priority to TW111137719A priority Critical patent/TWI808904B/en
Priority claimed from TW111137719A external-priority patent/TWI808904B/en
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Publication of TWI808904B publication Critical patent/TWI808904B/en
Publication of TW202415322A publication Critical patent/TW202415322A/en

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Abstract

The invention relates to a seat back linkage device for a chair. Primarily, a seat body is pivotally connected to a seat chassis, and a seat cushion assembly plate is disposed above the seat body and the seat chassis. Furthermore, the seat cushion assembly plate is pivotally connected to the seat body. In this way, when a user sits on a seat cushion provided on the seat cushion assembly plate, the seat cushion assembly plate is pivotally connected with the seat body as a fulcrum. When a front side of the seat cushion assembly plate is displaced downward, the front side of the seat cushion assembly plate can be slowly lowered to a required forward inclination angle by using seat cushion spring pieces connected to a rear side of the seat cushion assembly plate. When a user lies on a chair back on a rear side of the seat body, the seat body is pivotally connected with the seat chassis as a fulcrum, so that the rear side of the seat body is displaced rearward. Furthermore, the seat body and the seat cushion assembly plate are pivotally connected to form a top support to support the seat cushion assembly plate, so as to make the chair back linked with the seat to tilt synchronously, thereby improving the comfort of sitting.

Description

椅具之座背連動裝置Seat-back linkage device for chairs

本發明係涉及椅具的技術領域,尤指一種椅具之座背連動裝置。The present invention relates to the technical field of chairs, and in particular to a seat-back linkage device of a chair.

按,一般辦公椅等椅具通常會於椅背設計有傾仰調節功能,當使用者乘坐於椅具而背部躺靠於椅背時,椅背可以彈性擺動達到彈性緩衝效果,然由於該一般辦公椅等椅具其椅背與椅座沒有任何連動,因此,椅座無法隨著使用者對椅背的躺靠而產生適當調整變化,以致影響乘坐的舒適性。Generally, office chairs and other chairs are usually designed with a reclining function on the backrest. When a user sits on the chair and leans against the backrest, the backrest can swing elastically to achieve an elastic cushioning effect. However, since the backrest and seat of ordinary office chairs and other chairs are not linked, the seat cannot be properly adjusted as the user leans against the backrest, thereby affecting the riding comfort.

於是,乃有業者研發可讓椅座及椅背產生連動的椅具,請參閱台灣公告第M599751號之「座盤及椅背連動機構」及中國公告第CN215271602U號之「一種可前後傾仰的椅子」等專利前案,當使用者乘坐於該等椅具而躺靠於椅背,令椅背產生傾仰變化時,係可連動椅座隨之同步產生傾擺動作,依此以獲得更為舒適乘坐姿勢,然該現有椅具之椅座與椅背的連動機構,其結構設計過於複雜、部件繁多,相對製造成本高且體積大佔空間,而影響椅具整體美觀性。Therefore, some industry players have developed chairs that can link the seat and backrest. Please refer to the patents of Taiwan Announcement No. M599751 "Seat and Backrest Linkage Mechanism" and China Announcement No. CN215271602U "A Chair that Can Tilt Forward and Backward". When a user sits on such chairs and lies on the backrest, causing the backrest to tilt, the seat can be linked to tilt synchronously, thereby obtaining a more comfortable sitting posture. However, the linkage mechanism of the seat and backrest of the existing chair has an overly complex structural design and numerous parts, which is relatively costly to manufacture and occupies a large space, affecting the overall aesthetics of the chair.

緣是,本發明人有鑑於現有可讓椅座及椅背產生連動之椅具於製造實施上仍有上述缺失,乃藉其多年於相關領域的製造及設計經驗和知識的輔佐,並經多方巧思研創出本發明。Therefore, the inventor of the present invention has found that the existing chairs that allow the seat and back to be linked still have the above-mentioned deficiencies in manufacturing and implementation, and has developed the present invention with the assistance of his many years of manufacturing and design experience and knowledge in related fields and through various ingenuity.

本發明係有關於一種椅具之座背連動裝置,其主要目的係為了提供一種可使椅背連動椅座同步作動,且結構簡易、製作成本低,可使體積呈扁平化設計之椅具的座背連動裝置。The present invention relates to a seat back linkage device for a chair, and its main purpose is to provide a seat back linkage device for a chair that can make the seat back and the seat move synchronously, and has a simple structure, low manufacturing cost, and can make the volume of the chair flat.

為了達到上述實施目的,本發明人乃研擬如下椅具之座背連動裝置,係包含:In order to achieve the above-mentioned implementation purpose, the inventors of the present invention have developed the following chair seat back linkage device, which includes:

一椅座主體,乃於該椅座主體前側處設有一底盤組立部,又於該椅座主體後側處設有一椅背組立部,另使該椅座主體於該底盤組立部及該椅背組立部之間設有一彈片組立槽,且使該彈片組立槽後側槽壁與該椅背組立部相鄰設立;A seat body, wherein a bottom plate assembly part is provided at the front side of the seat body, and a backrest assembly part is provided at the rear side of the seat body, and a spring assembly groove is provided between the bottom plate assembly part and the backrest assembly part of the seat body, and a rear side groove wall of the spring assembly groove is provided adjacent to the backrest assembly part;

一椅座底盤,係使該椅座底盤設於該椅座主體之底盤組立部處,並與該底盤組立部間以至少一第一樞軸穿設樞接,又使該椅座底盤前側與一支撐彈片後端相組設,且使該支撐彈片前端延伸至該椅座底盤前方處,另使至少一椅背彈片設置於該椅座主體之彈片組立槽中,並使該椅背彈片的前端與該椅座底盤後側相組設,又於該彈片組立槽後側槽壁相對該椅背彈片處設有一卡扣部,以使該椅背彈片後端與該彈片組立槽後側槽壁所設卡扣部對應卡掣定位;A seat chassis, wherein the seat chassis is arranged at the chassis assembly part of the seat body, and is pivotally connected with the chassis assembly part by at least one first pivot, and the front side of the seat chassis is assembled with the rear end of a supporting elastic sheet, and the front end of the supporting elastic sheet extends to the front of the seat chassis, and at least one backrest elastic sheet is arranged in the elastic sheet assembly groove of the seat body, and the front end of the backrest elastic sheet is assembled with the rear side of the seat chassis, and a buckle portion is arranged at the rear side groove wall of the elastic sheet assembly groove relative to the backrest elastic sheet, so that the rear end of the backrest elastic sheet and the buckle portion arranged on the rear side groove wall of the elastic sheet assembly groove correspond to each other and are locked and positioned;

一座墊組立板,乃使該座墊組立板位於該椅座主體與該椅座底盤上方處,並與該椅座主體間以至少一第二樞軸穿設樞接,且使該座墊組立板與該椅座主體的樞接處位於該椅座主體與該椅座底盤其樞接處的前方,另使該椅座底盤其支撐彈片前端與該座墊組立板前側處相抵接觸。A cushion assembly plate is located above the seat body and the seat chassis, and is pivotally connected to the seat body via at least one second pivot. The pivot point between the cushion assembly plate and the seat body is located in front of the pivot point between the seat body and the seat chassis, and the front end of the supporting spring sheet of the seat chassis is in contact with the front side of the cushion assembly plate.

如上所述之椅具之座背連動裝置,其中,該椅座主體之彈片組立槽中係進一步設置有至少一座墊彈片及一梢桿,乃使該座墊彈片前端組設於該椅座底盤後側處,又於該座墊彈片後端處設有一透孔,並使該梢桿穿設於該座墊彈片之透孔中,且於該梢桿底端設有一止擋部,以供與該座墊彈片底面相抵接觸,另使該梢桿上端組設於該座墊組立板後側處,又於該座墊組立板前側及該椅座底盤之支撐彈片前端間設有一連結板,並使該連結板其上、下二端分別與該座墊組立板及該支撐彈片相樞接。The seat back linkage device of the chair as described above, wherein at least one cushion spring and a tip rod are further arranged in the spring assembly groove of the seat body, so that the front end of the cushion spring is assembled at the rear side of the seat chassis, and a through hole is provided at the rear end of the cushion spring, and the tip rod is penetrated in the through hole of the cushion spring, and at the A stopper is provided at the bottom end of the tip rod for contacting with the bottom surface of the seat cushion spring sheet, and the upper end of the tip rod is assembled at the rear side of the seat cushion assembly vertical plate, and a connecting plate is provided between the front side of the seat cushion assembly vertical plate and the front end of the supporting spring sheet of the seat chassis, and the upper and lower ends of the connecting plate are respectively pivotally connected with the seat cushion assembly vertical plate and the supporting spring sheet.

如上所述之椅具之座背連動裝置,其中,該連結板係從後上方往前下方傾斜,而使該連結板與該座墊組立板間形成有一夾角。In the seat back linkage device of the chair as described above, the connecting plate is inclined from the upper rear to the lower front, so that an angle is formed between the connecting plate and the seat cushion assembly plate.

如上所述之椅具之座背連動裝置,其中,該連結板與該座墊組立板間之夾角係為6度。In the seat back linkage device of the chair as described above, the angle between the connecting plate and the seat cushion assembly plate is 6 degrees.

如上所述之椅具之座背連動裝置,其中,該座墊組立板係於其前側底面處設有一凹槽,以供該連結板對應容置於凹槽內。In the seat-back linkage device of the chair as described above, the seat cushion assembly plate is provided with a groove at its front bottom surface so that the connecting plate can be correspondingly accommodated in the groove.

如上所述之椅具之座背連動裝置,其中,該支撐彈片係由其後端往前端漸往上拋呈曲弧狀。In the seat-back linkage device of the chair as described above, the supporting spring piece is gradually thrown upward from its rear end to its front end in a curved shape.

如上所述之椅具之座背連動裝置,其中,該座墊組立板係於其底面的左、右二側處分別成型有一樞耳,另使該椅座主體於其左、右二側相對位置處各設有一樞部,以與該座墊組立板其二側樞耳分別以一該第二樞軸穿設樞接。In the seat back linkage device of the chair as described above, the seat cushion assembly upright plate is formed with a hinge at the left and right sides of its bottom surface respectively, and the seat body is provided with a hinge at the opposite positions on the left and right sides respectively, so as to be pivotally connected with the hinges on the two sides of the seat cushion assembly upright plate respectively by passing through the second hinge.

如上所述之椅具之座背連動裝置,其中,該椅座主體係於其彈片組立槽之槽底位於該椅背彈片下方處設有一消音片。In the seat-back linkage device of the chair as described above, a sound-absorbing plate is provided at the bottom of the spring plate assembly groove of the chair seat body and below the chair-back spring plate.

如上所述之椅具之座背連動裝置,其中,該椅具之座背連動裝置係進一步包含有一椅背控制單元,該椅背控制單元係包含有一卡榫,乃使該卡榫設置於該椅座主體之彈片組立槽中,並使該彈片組立槽於其後側槽壁中間處設有至少一卡溝,以與該卡榫對應卡掣,另於該座墊組立板一側處設有一第一控制板,且使該第一控制板與該卡榫相連結。The seat back linkage device of the chair as described above, wherein the seat back linkage device of the chair further includes a seat back control unit, and the seat back control unit includes a tenon, so that the tenon is arranged in the elastic piece assembly vertical groove of the chair seat body, and the elastic piece assembly vertical groove is provided with at least one groove in the middle of the rear side groove wall to engage with the tenon, and a first control plate is provided on one side of the seat cushion assembly vertical plate, and the first control plate is connected to the tenon.

如上所述之椅具之座背連動裝置,其中,該椅具之座背連動裝置係進一步包含有一升降控制單元,該升降控制單元係包含有一第二控制板,該第二控制板係組設於該座墊組立板一側處,又包含有一驅動柄,且使該驅動柄與該第二控制板相連結,另使該椅座底盤內形成有一中空部,並使該驅動柄設置於該椅座底盤之中空部內,且與該椅座底盤相樞接,又於該椅座底盤其底部中間處組設有一升降桿,並於該升降桿上端設有一作動鈕,且使該升降桿上端位於該椅座底盤之中空部內,復使該驅動柄前端與該升降桿上端之作動鈕相接觸。The seat back linkage device of the chair as described above, wherein the seat back linkage device of the chair further includes a lifting control unit, and the lifting control unit includes a second control panel, and the second control panel is assembled at one side of the seat cushion assembly plate, and also includes a driving handle, and the driving handle is connected to the second control panel, and a hollow portion is formed in the seat chassis, and the driving handle is arranged in the hollow portion of the seat chassis and is pivotally connected to the seat chassis, and a lifting rod is assembled in the middle of the bottom of the seat chassis, and an actuating button is provided at the upper end of the lifting rod, and the upper end of the lifting rod is located in the hollow portion of the seat chassis, and the front end of the driving handle is in contact with the actuating button at the upper end of the lifting rod.

藉此,當使用者乘坐於該座墊組立板上所設座墊時,該座墊組立板係以與椅座主體樞接處為支點,當座墊組立板前側往下位移時,利用座墊組立板後側連結之座墊彈片,即可使座墊組立板前側緩降至所需前傾角度,另當使用者躺靠於椅座主體後側組設椅背時,係以椅座主體與椅座底盤樞接處為支點,而使椅座主體後側往後位移,另椅座主體與座墊組立板樞接處係形成頂撐,以將座墊組立板撐高,達到使椅背連動椅座同步傾仰,而提高乘坐舒適性效果。Thus, when a user sits on the seat cushion arranged on the seat cushion assembly upright plate, the seat cushion assembly upright plate uses the pivot point with the seat body as a fulcrum. When the front side of the seat cushion assembly upright plate moves downward, the seat cushion spring plate connected to the rear side of the seat cushion assembly upright plate can be used to slowly lower the front side of the seat cushion assembly upright plate to a desired forward tilt angle. When a user lies on the rear side of the seat body to assemble the chair back, the pivot point between the seat body and the seat chassis is used as a fulcrum to displace the rear side of the seat body backward. The pivot point between the seat body and the seat cushion assembly upright plate forms a top support to raise the seat cushion assembly upright plate, so that the chair back is linked to the seat to tilt synchronously, thereby improving the riding comfort effect.

而為令本發明之技術手段及其所能達成之效果,能夠有更完整且清楚的揭露,茲詳細說明如下,請一併參閱揭露之圖式及圖號:In order to make the technical means of the present invention and the effects that can be achieved more completely and clearly disclosed, the following is a detailed description, and please refer to the disclosed drawings and figure numbers:

首先,請參閱第一圖所示,為本發明之椅具之座背連動裝置,係主要包含:First, please refer to the first figure, which shows the seat-back linkage device of the chair of the present invention, which mainly includes:

一椅座主體(1),乃於該椅座主體前側處設有一底盤組立部(11),又於該椅座主體(1)後側處設有一椅背組立部(13),另使該椅座主體(1)於該底盤組立部(11)及該椅背組立部(13)之間設有一彈片組立槽(12),且使該彈片組立槽(12)後側槽壁與該椅背組立部(13)相鄰設立,並於該椅背組立部(13)組設有一椅背(6);A seat body (1) is provided with a chassis assembly part (11) at the front side of the seat body, and a backrest assembly part (13) is provided at the rear side of the seat body (1). In addition, the seat body (1) is provided with a spring assembly groove (12) between the chassis assembly part (11) and the backrest assembly part (13), and the rear side groove wall of the spring assembly groove (12) is arranged adjacent to the backrest assembly part (13), and a backrest (6) is assembled on the backrest assembly part (13);

一椅座底盤(2),請一併參閱第二、三圖所示,係使該椅座底盤(2)設於該椅座主體(1)之底盤組立部(11)處,並與該底盤組立部(11)間以至少一第一樞軸(21)穿設樞接,又使該椅座底盤(2)前側與一支撐彈片(22)後端相組設,且使該支撐彈片(22)前端延伸至該椅座底盤(2)前方處,並使該支撐彈片(22)由其後端往前端漸往上拋呈曲弧狀,另於該椅座主體(1)之彈片組立槽(12)中設置有至少一座墊彈片(23)、至少一椅背彈片(24)及一梢桿(25),本發明主要實施例係使該座墊彈片(23)設有數片,並使該數座墊彈片(23)呈相互堆疊設立,另使該椅背彈片(24)設有數片,且使該數椅背彈片(24)呈相互堆疊設立,又使該座墊彈片(23)及椅背彈片(24)的前端與該椅座底盤(2)後側相組設,另於該座墊彈片(23)後端處設有一透孔(231),並使該梢桿(25)穿設於該座墊彈片(23)之透孔(231),且於該梢桿(25)底端設有一止擋部(251),以供與該座墊彈片(23)底面相抵接觸,另於該彈片組立槽(12)後側槽壁相對該椅背彈片(24)處設有一卡扣部(121),以使該椅背彈片(24)後端與該彈片組立槽(12)後側槽壁所設卡扣部(121)對應卡掣定位,又於該彈片組立槽(12)其槽底位於該座墊彈片(23)及椅背彈片(24)下方處設有一消音片(26),以降低該座墊彈片(23)及椅背彈片(24)作動時產生異音,復使該椅座底盤(2)於其底部中間處組設有一升降桿(7),該升降桿(7)係可為一氣壓桿,並使該升降桿(7)上端所設作動鈕(71)位於該椅座底盤(2)之中空部(27)內;A seat chassis (2), as shown in the second and third figures, is provided at the seat chassis assembly portion (11) of the seat body (1), and is pivotally connected to the chassis assembly portion (11) by at least one first pivot (21), and the front side of the seat chassis (2) is assembled with the rear end of a supporting elastic sheet (22), and the front end of the supporting elastic sheet (22) extends to the front of the seat chassis (2), and the supporting elastic sheet (22) is gradually thrown upward from the rear end to the front end to form a curved arc shape, and the seat chassis (2) is provided with a plurality of support springs (22) at the rear end of the seat chassis (2). At least one seat cushion spring sheet (23), at least one seat back spring sheet (24) and a tip rod (25) are arranged in the spring sheet assembly groove (12) of the seat body (1). The main embodiment of the present invention is to provide the seat cushion spring sheet (23) with a plurality of pieces, and to stack the plurality of seat cushion spring sheets (23) on each other, and to provide the seat back spring sheet (24) with a plurality of pieces, and to stack the plurality of seat back spring sheets (24) on each other, and to assemble the front ends of the seat cushion spring sheet (23) and the seat back spring sheet (24) with the rear side of the seat base (2), and to A through hole (231) is provided at the rear end of the seat cushion spring sheet (23), and the tip rod (25) is inserted into the through hole (231) of the seat cushion spring sheet (23), and a stopper (251) is provided at the bottom end of the tip rod (25) to contact with the bottom surface of the seat cushion spring sheet (23), and a buckle portion (121) is provided at the rear side groove wall of the spring sheet assembly vertical groove (12) relative to the seat back spring sheet (24) so that the rear end of the seat back spring sheet (24) and the buckle portion (121) provided on the rear side groove wall of the spring sheet assembly vertical groove (12) can be locked. 21) corresponding to the latch positioning, a silencer (26) is provided at the bottom of the spring assembly groove (12) below the seat spring (23) and the backrest spring (24) to reduce the abnormal sound generated when the seat spring (23) and the backrest spring (24) are actuated, and a lifting rod (7) is provided at the middle of the bottom of the seat chassis (2), and the lifting rod (7) can be a pneumatic rod, and the actuating button (71) provided at the upper end of the lifting rod (7) is located in the hollow part (27) of the seat chassis (2);

一座墊組立板(3),乃使該座墊組立板(3)位於該椅座主體(1)及椅座底盤(2)上方處,並於該座墊組立板(3)上端面組設有一座墊(31),又於該座墊組立板(3)底面的左、右二側處分別成型有一樞耳(32),另使該椅座主體(1)於其左、右二側相對位置處各設有一樞部(14),以與該座墊組立板(3)其二側樞耳(32)分別以一第二樞軸(33)穿設樞接,且使該座墊組立板(3)與椅座主體(1)的樞接處位於該椅座主體(1)與椅座底盤(2)其樞接處的前方,並使穿設於該椅座主體(1)及椅座底盤(2)其樞接處之第一樞軸(21)的軸心位置高於該座墊組立板(3)與椅座主體(1)其樞接處之第二樞軸(33)的軸心位置,又該座墊組立板(3)係於其後側處設有一鎖孔(36),以與該椅座底盤(2)其梢桿(25)上端對應穿設鎖接,請一併參閱第四圖所示,另於該座墊組立板(3)前側及該椅座底盤(2)之支撐彈片(22)前端處之間設有一連結板(34),並使該連結板(34)其上、下二端分別與該座墊組立板(3)及支撐彈片(22)相樞接,且使該連結板(34)從後上方往前下方傾斜,而使該連結板(34)與該座墊組立板(3)間形成有約6度之夾角(θ),又使該座墊組立板(3)於其前側底面處設有一可供該連結板(34)對應容置於內之凹槽(35);A cushion assembly plate (3) is provided, wherein the cushion assembly plate (3) is located above the seat body (1) and the seat base (2), and a cushion (31) is provided on the upper end surface of the cushion assembly plate (3), and a hinge (32) is formed on the left and right sides of the bottom surface of the cushion assembly plate (3), and the seat body (1) is provided with a hinge (14) at the opposite positions on the left and right sides thereof, so as to be in contact with the seat body (1). The two side ears (32) of the seat cushion assembly plate (3) are respectively pivoted by a second pivot shaft (33), and the pivot point between the seat cushion assembly plate (3) and the seat body (1) is located in front of the pivot point between the seat body (1) and the seat base (2), and the axis position of the first pivot shaft (21) passing through the pivot point between the seat body (1) and the seat base (2) is higher than the pivot point between the seat cushion assembly plate (3) and the seat body. The seat cushion assembly plate (3) is provided with a lock hole (36) at its rear side to be locked with the upper end of the tip rod (25) of the seat base (2). Please refer to the fourth figure. A connecting plate (34) is provided between the front side of the seat cushion assembly plate (3) and the front end of the supporting spring sheet (22) of the seat base (2). The upper and lower ends of the connecting plate (34) are respectively connected to the seat cushion assembly plate (3) and the supporting spring sheet (22), and the connecting plate (34) is tilted from the upper rear to the lower front, so that an angle (θ) of about 6 degrees is formed between the connecting plate (34) and the seat cushion assembly plate (3), and the seat cushion assembly plate (3) is provided with a groove (35) on its front bottom surface for the connecting plate (34) to be correspondingly accommodated therein;

一椅背控制單元(4),請一併參閱第五圖所示,係包含有一卡榫(41),乃使該卡榫(41)設置於該椅座主體(1)之彈片組立槽(12)中,並使該彈片組立槽(12)於其後側槽壁處設有至少一卡溝(122),本發明之主要實施例,係於該彈片組立槽(12)後側槽壁由上而下間隔設有數卡溝(122),而使該卡榫(41)依調整所需與其一卡溝(122)對應卡掣,又於該彈片組立槽(12)後側槽壁及該卡榫(41)間組設有一第一彈性件(42),該第一彈性件(42)係為一拉伸彈簧,另使該座墊組立板(3)於其底部的左、右其中一側處組設有一第一控制板(43),並於該第一控制板(43)與該座墊組立板(3)間設有一鎖定部件(44),復使該第一控制板(43)與該卡榫(41)間以一第一拉繩(45)相連結;A chair back control unit (4), as shown in FIG. 5, includes a latch (41), wherein the latch (41) is disposed in a spring assembly slot (12) of the seat body (1), and the spring assembly slot (12) is provided with at least one groove (122) at its rear side groove wall. In a main embodiment of the present invention, a plurality of grooves (122) are provided at intervals from top to bottom at the rear side groove wall of the spring assembly slot (12), and the latch (41) is adjusted to correspond to one of the grooves (122). A first elastic member (42) is arranged between the rear side groove wall of the elastic sheet assembly groove (12) and the latch (41), and the first elastic member (42) is a tension spring. A first control plate (43) is arranged on one of the left and right sides of the bottom of the seat cushion assembly plate (3), and a locking member (44) is arranged between the first control plate (43) and the seat cushion assembly plate (3). A first pull rope (45) is used to connect the first control plate (43) and the latch (41);

一升降控制單元(5),係包含有一第二控制板(51),並使該第二控制板(51)組設於該座墊組立板(3)底部相對該第一控制板(43)的另側處,且使該第二控制板(51)與該座墊組立板(3)間以一第二彈性件(52)相連結,該第二彈性件(52)係為一拉伸彈簧,又包含有一驅動柄(53),乃使該驅動柄(53)設置於該椅座底盤(2)之中空部(27)內,並與該椅座底盤(2)相樞接,且使該驅動柄(53)前端與該升降桿(7)之作動鈕(71)相接觸,另使該第二控制板(51)與該驅動柄(53)後端以一第二拉繩(54)相連結。A lifting control unit (5) includes a second control plate (51), and the second control plate (51) is assembled on the other side of the bottom of the cushion assembly plate (3) relative to the first control plate (43), and the second control plate (51) and the cushion assembly plate (3) are connected by a second elastic member (52), and the second elastic member (52) is a tension spring. The invention comprises a driving handle (53), which is arranged in a hollow part (27) of the seat base (2) and pivotally connected to the seat base (2). The front end of the driving handle (53) contacts the actuating button (71) of the lifting rod (7). The second control panel (51) and the rear end of the driving handle (53) are connected by a second pull rope (54).

據此,當使用實施時,係令使用者乘坐於本發明之椅具的座墊(31)上,於承受使用者乘坐之重量後,該座墊組立板(3)係會以與該椅座主體(1)所設第二樞軸(33)樞接處為支點,而使該座墊組立板(3)前側往下位移,同時該座墊組立板(3)後側係會相對往上位移,並藉由組設於該座墊組立板(3)後側之梢桿(25)將與該梢桿(25)相連結之座墊彈片(23)一併往上拉引,利用該座墊彈片(23)之彈性緩衝,以使該座墊組立板(3)前側可緩緩下降至與該支撐彈片(22)前端抵靠定位,請一併參閱第六圖所示,而使該連結板(34)容置於該座墊組立板(3)之凹槽(35)中,此時,該座墊組立板(3)前側係呈前傾6度之傾角設置,以利使用者乘坐舒適性。According to this, when the user is in use, the user sits on the seat cushion (31) of the chair of the present invention. After bearing the weight of the user, the seat cushion assembly plate (3) will use the second pivot (33) provided on the seat body (1) as a fulcrum to make the front side of the seat cushion assembly plate (3) move downward, and at the same time, the rear side of the seat cushion assembly plate (3) will move upward relatively, and the tip rod (25) provided on the rear side of the seat cushion assembly plate (3) will be connected with the tip rod ( 25) is pulled upward together with the seat cushion spring sheet (23) connected thereto, and the elastic cushion spring sheet (23) is utilized to buffer the front side of the seat cushion assembly vertical plate (3) so that the front side of the seat cushion assembly vertical plate (3) can be slowly lowered to abut against the front end of the supporting spring sheet (22), as shown in FIG. 6, and the connecting plate (34) is accommodated in the groove (35) of the seat cushion assembly vertical plate (3). At this time, the front side of the seat cushion assembly vertical plate (3) is tilted forward by 6 degrees to facilitate the user's riding comfort.

再者,請一併參閱第七圖所示,當使用者躺靠於椅背(6),而對椅座主體(1)後側所設椅背組立部(13)造成一往後推引作用時,利用與該椅背組立部(13)相鄰設置之椅背彈片(24)的彈性緩衝,係可使椅背(6)產生一種彈性擺動效果,而當使用者身體重心漸往後移時,該椅座主體(1)係會以與該椅座底盤(2)所設第一樞軸(21)的樞接處為支點,以使該椅背(6)連動所組設之椅座主體(1)後側往後下方位移,此時,位於該椅座主體(1)與椅座底盤(2)樞接處前方之該椅座主體(1)與座墊組立板(3)以第二樞軸(33)樞接處係會相對往上位移,以經由該座墊組立板(3)左、右二側所設樞耳(32)將該座墊組立板(3)往上頂撐,於此,即可藉由使用者本身躺靠於椅背(6)的力量,以承載該乘坐於椅座其座墊(31)上的使用者身體重量,而將使用者身體同步往上推升,達到自載重的效果,藉此椅背(6)與椅座的連動功效,以提高使用者乘坐椅具舒適性。Furthermore, please refer to FIG. 7. When the user lies on the chair back (6), the chair back assembly (13) provided at the rear side of the seat body (1) is pushed backward. The elastic cushioning of the chair back spring sheet (24) provided adjacent to the chair back assembly (13) can make the chair back (6) produce an elastic swinging effect. When the center of gravity of the user's body gradually moves backward, the seat body (1) uses the pivot point of the first pivot (21) provided on the seat base (2) as a fulcrum to make the rear side of the seat body (1) assembled by the chair back (6) move backward and downward. At this time, the backrest (24) located at the seat body (1) is moved backward and downward. The seat body (1) and the seat cushion assembly plate (3) in front of the hinge of the seat body (1) and the seat base (2) are relatively displaced upward at the hinge of the second hinge (33), so that the seat cushion assembly plate (3) is supported upward by the hinge ears (32) provided on the left and right sides of the seat cushion assembly plate (3). At this time, the user's body weight sitting on the seat cushion (31) can be supported by the power of the user lying on the chair back (6), and the user's body can be pushed upward synchronously to achieve the effect of self-loading. The linkage effect of the chair back (6) and the seat is used to improve the comfort of the user sitting on the chair.

當使用者離開對椅背(6)躺靠時,原因使用者躺靠於椅背(6)而變形之椅背彈片(24)係會回復原狀,並帶動與該椅背(6)所組設之椅座主體(1)後側之椅背組立部(13)一起復位。請一併參閱第八圖所示,隨之使用者即可以手扳掣該椅背控制單元(4)之第一控制板(43),以經由第一拉繩(45)拉動相連結之卡榫(41)作動,而使該卡榫(41)對應卡掣於該椅座主體(1)其彈片組立槽(12)後側槽壁所設卡溝(122)中定位,進而對與該彈片組立槽(12)後側槽壁相鄰之椅背組立部(13)產生制動效果,以使椅背(6)固定不動,如此一來,便可解除椅背(6)與椅座連動功效,此時,該第一控制板(43)與座墊組立板(3)間所設鎖定部件(44)係可固定該卡榫(41)與卡溝(122)的卡掣狀態,而於解除該鎖定部件(44)之鎖定後,該卡榫(41)係會受到連結之第一彈性件(42)的拉引復位,以脫離與卡溝(122)的卡掣。When the user stops lying on the chair back (6), the chair back spring sheet (24) deformed by the user lying on the chair back (6) will return to its original state, and drive the chair back assembly (13) on the rear side of the seat body (1) assembled with the chair back (6) to return to its original state. Please refer to the eighth figure, and then the user can manually pull the first control panel (43) of the chair back control unit (4) to pull the connected latch (41) through the first pull rope (45), so that the latch (41) is correspondingly latched in the latch groove (122) provided on the rear side groove wall of the spring sheet assembly groove (12) of the seat body (1), thereby producing a braking effect on the chair back assembly (13) adjacent to the rear side groove wall of the spring sheet assembly groove (12). The seat back (6) is fixed so that the linkage between the seat back (6) and the seat can be released. At this time, the locking component (44) provided between the first control plate (43) and the seat cushion assembly plate (3) can fix the locking state of the tenon (41) and the groove (122). After the locking of the locking component (44) is released, the tenon (41) is pulled back to its original position by the connected first elastic member (42) to be freed from the locking state with the groove (122).

又當使用者離開椅座時,原因使用者乘坐於座墊組立板(3)之座墊(31)上,而產生變形之座墊彈片(23)係會回復原狀,以拉動所連結之梢桿(25)往下位移,此時,該梢桿(25)係會一併拉動相組設之座墊組立板(3)後側往下移動,而以該座墊組立板(3)與椅座主體(1)樞接處為支點,該座墊組立板(3)前側係會相對往上位移,以使該座墊組立板(3)回復呈平坦狀態。When the user leaves the chair, the deformed seat spring (23) will return to its original state because the user sits on the seat (31) of the seat assembly upright (3), thereby pulling the connected tip rod (25) to move downward. At this time, the tip rod (25) will pull the rear side of the seat assembly upright (3) assembled therewith to move downward, and with the pivot point between the seat assembly upright (3) and the chair body (1) as a fulcrum, the front side of the seat assembly upright (3) will move upward relatively, so that the seat assembly upright (3) returns to a flat state.

另當使用者欲調整椅座升降時,係可扳動該升降控制單元(5)之第二控制板(51),以使該第二控制板(51)經由第二拉繩(54)拉動該驅動柄(53)作動,請一併參閱第九圖所示,而使該驅動柄(53)前端按壓該氣壓桿(7)之控制鈕(71),以驅使該氣壓桿(7)帶動所組設之椅座底盤(2)連同椅座主體(1)等椅座部位升降作動。當使用者釋放對第二控制板(51)的扳動時,利用第二控制板(51)與座墊組立板(3)間所設第二彈性件(52)的彈性回復作用,以帶動該驅動柄(53)前端脫離對該氣壓桿(7)之控制鈕(71)的按壓,以固定該椅座調整後的高度。When the user wants to adjust the seat height, the user can pull the second control panel (51) of the lifting control unit (5) so that the second control panel (51) can pull the driving handle (53) through the second pull rope (54) to operate. Please refer to the ninth figure, and the front end of the driving handle (53) presses the control button (71) of the pneumatic rod (7) to drive the pneumatic rod (7) to drive the seat chassis (2) and the seat body (1) and other seat parts to move up and down. When the user releases the pull on the second control panel (51), the elastic restoring effect of the second elastic member (52) provided between the second control panel (51) and the seat cushion assembly plate (3) is utilized to drive the front end of the driving handle (53) to be separated from the pressing of the control button (71) of the air pressure rod (7), so as to fix the adjusted height of the seat.

前述之實施例或圖式並非限定本發明之實施態樣,本發明係可省略該座墊組立板(3)及椅座底盤(2)其支撐彈片(22)間之連結板(34)設置,而使該椅座底盤(2)之支撐彈片(22)前端直接與該座墊組立板(3)其前側底面處相抵接觸,凡所屬技術領域中具有通常知識者所為之適當變化或修飾,皆應視為不脫離本發明之專利範疇。The aforementioned embodiments or drawings do not limit the implementation of the present invention. The present invention can omit the connection plate (34) between the seat cushion assembly plate (3) and the supporting spring sheet (22) of the seat base (2), so that the front end of the supporting spring sheet (22) of the seat base (2) directly contacts the front bottom surface of the seat cushion assembly plate (3). Any appropriate changes or modifications made by a person having ordinary knowledge in the relevant technical field should be deemed to be within the patent scope of the present invention.

由上述結構及實施方式可知,本發明係具有如下優點:From the above structure and implementation, it can be seen that the present invention has the following advantages:

1.本發明之椅具之座背連動裝置其結構設計簡易、製造成本低,且有效利用椅座內部空間,以利座背連動裝置的扁平化,於外觀設計上極具美觀性,據此,俾提升消費者購買意願,以增進本發明之產業競爭力者。1. The seat-back linkage device of the chair of the present invention has a simple structural design, low manufacturing cost, and effectively utilizes the internal space of the seat to facilitate the flattening of the seat-back linkage device. The appearance design is extremely aesthetic, thereby increasing consumers' willingness to purchase and enhancing the industrial competitiveness of the present invention.

2.本發明之椅具之座背連動裝置係於使用者躺靠於椅背時,同步將乘坐於椅座上之使用者身體撐起,藉此,利用使用者本身躺靠於椅背的力量,以承載椅座上之使用者身體重量,達到自載重的效果。2. The seat-back linkage device of the chair of the present invention is to simultaneously prop up the body of the user sitting on the seat when the user lies on the chair back, thereby utilizing the strength of the user lying on the chair back to bear the weight of the user's body on the seat, achieving a self-loading effect.

3.本發明之椅具之座背連動裝置係於座墊組立板及支撐彈片間設有一連結板,且使該連結板與該座墊組立板間形成有約6度夾角,藉此,當使用者乘坐於座墊時,即可使座墊前傾6度,以提高乘坐舒適性。3. The seat back linkage device of the chair of the present invention is provided with a connecting plate between the seat cushion assembly plate and the supporting spring sheet, and the connecting plate and the seat cushion assembly plate form an angle of about 6 degrees, thereby, when the user sits on the seat cushion, the seat cushion can be tilted forward 6 degrees to improve the riding comfort.

綜上所述,本發明之實施例確能達到所預期功效,又其所揭露之具體構造,不僅未曾見諸於同類產品中,亦未曾公開於申請前,誠已完全符合專利法之規定與要求,爰依法提出發明專利之申請,懇請惠予審查,並賜准專利,則實感德便。In summary, the embodiments of the present invention can achieve the expected effects, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application. It fully complies with the provisions and requirements of the Patent Law. Therefore, an application for an invention patent is filed in accordance with the law, and we sincerely request your review and grant of the patent. We would be grateful for your kindness.

1:椅座主體1: Seat body

11:底盤組立部11: Chassis assembly

12:彈片組立槽12: Shrapnel assembly slot

121:卡扣部121: Buckle part

122:卡溝122: Card groove

13:椅背組立部13: Chair back assembly

14:樞部14: Cardinal

2:椅座底盤2: Seat chassis

21:第一樞軸21: First axis

22:支撐彈片22:Supporting Shrapnel

23:座墊彈片23: Seat spring

231:透孔231:Through hole

24:椅背彈片24: Chair back shrapnel

25:梢桿25: Tip

251:止擋部251: Stopper

26:消音片26:Silencer

27:中空部27: Hollow

3:座墊組立板3: Seat cushion assembly plate

31:座墊31: Seat cushion

32:樞耳32: Ear

33:第二樞軸33: Second axis

34:連結板34: Connecting plate

35:凹槽35: Groove

36:鎖孔36: Keyhole

4:椅背控制單元4: Seat back control unit

41:卡榫41: Tenon

42:第一彈性件42: First elastic member

43:第一控制板43: First control panel

44:鎖定部件44: Locking parts

45:第一拉繩45: First pull rope

5:升降控制單元5: Lifting control unit

51:第二控制板51: Second control panel

52:第二彈性件52: Second elastic member

53:驅動柄53:Drive handle

54:第二拉繩54: Second pull rope

6:椅背6: Chair back

7:升降桿7: Lifting rod

71:作動鈕71:Action button

第一圖:本發明之立體圖Figure 1: 3D diagram of the present invention

第二圖:本發明之其一剖視圖Figure 2: A cross-sectional view of the present invention

第三圖:本發明之其二剖視圖Figure 3: Second cross-sectional view of the present invention

第四圖:本發明之其一局部放大剖視圖Figure 4: A partial enlarged cross-sectional view of the present invention

第五圖:本發明之其二局部放大剖視圖Figure 5: Second partial enlarged cross-sectional view of the present invention

第六圖:本發明之椅座乘坐狀態局部放大剖視圖Figure 6: Partially enlarged cross-sectional view of the chair seat of the present invention when seated

第七圖:本發明之椅背躺靠狀態剖視圖Figure 7: Cross-sectional view of the chair back in reclining position of the present invention

第八圖:本發明之椅背卡掣狀態局部放大剖視圖Figure 8: Partially enlarged cross-sectional view of the seat back latch of the present invention

第九圖:本發明之升降桿驅動狀態局部放大剖視圖Figure 9: A partially enlarged cross-sectional view of the lifting rod of the present invention in a driving state

1:椅座主體 1: Main body of the seat

11:底盤組立部 11: Chassis assembly

13:椅背組立部 13: Chair back assembly

2:椅座底盤 2: Seat chassis

22:支撐彈片 22:Supporting shrapnel

3:座墊組立板 3: Seat cushion assembly plate

31:座墊 31: Seat cushion

32:樞耳 32: Ear

34:連結板 34: Connecting plate

4:椅背控制單元 4: Seat back control unit

43:第一控制板 43: First control panel

44:鎖定部件 44: Locking parts

5:升降控制單元 5: Lifting control unit

51:第二控制板 51: Second control panel

52:第二彈性件 52: Second elastic member

6:椅背 6: Chair back

7:升降桿 7: Lifting rod

Claims (10)

一種椅具之座背連動裝置,係包含: 一椅座主體,乃於該椅座主體前側處設有一底盤組立部,又於該椅座主體後側處設有一椅背組立部,另使該椅座主體於該底盤組立部及該椅背組立部之間設有一彈片組立槽,且使該彈片組立槽後側槽壁與該椅背組立部相鄰設立; 一椅座底盤,係使該椅座底盤設於該椅座主體之底盤組立部處,並與該底盤組立部間以至少一第一樞軸穿設樞接,又使該椅座底盤前側與一支撐彈片後端相組設,且使該支撐彈片前端延伸至該椅座底盤前方處,另使至少一椅背彈片設置於該椅座主體之彈片組立槽中,並使該椅背彈片的前端與該椅座底盤後側相組設,又於該彈片組立槽後側槽壁相對該椅背彈片處設有一卡扣部,以使該椅背彈片後端與該彈片組立槽後側槽壁所設卡扣部對應卡掣定位; 一座墊組立板,乃使該座墊組立板位於該椅座主體與該椅座底盤上方處,並與該椅座主體間以至少一第二樞軸穿設樞接,且使該座墊組立板與該椅座主體的樞接處位於該椅座主體與該椅座底盤其樞接處的前方,另使該椅座底盤其支撐彈片前端與該座墊組立板前側處相抵接觸。 A seat-back linkage device for a chair comprises: A seat body, wherein a chassis assembly part is provided at the front side of the seat body, and a back assembly part is provided at the rear side of the seat body, and the seat body is provided with a spring assembly groove between the chassis assembly part and the back assembly part, and the rear side groove wall of the spring assembly groove is provided adjacent to the back assembly part; A seat chassis, which is arranged at the chassis assembly part of the seat body and is pivoted with the chassis assembly part through at least one first pivot, and the front side of the seat chassis is assembled with the rear end of a supporting elastic sheet, and the front end of the supporting elastic sheet extends to the front of the seat chassis, and at least one backrest elastic sheet is arranged in the elastic sheet assembly groove of the seat body, and the front end of the backrest elastic sheet is assembled with the rear side of the seat chassis, and a buckle part is provided at the rear side groove wall of the elastic sheet assembly groove relative to the backrest elastic sheet, so that the rear end of the backrest elastic sheet and the buckle part provided on the rear side groove wall of the elastic sheet assembly groove correspond to each other and are locked and positioned; A cushion assembly plate is located above the seat body and the seat base, and is pivotally connected to the seat body through at least one second pivot, and the pivot point between the cushion assembly plate and the seat body is located in front of the pivot point between the seat body and the seat base, and the front end of the supporting spring sheet of the seat base is in contact with the front side of the cushion assembly plate. 如請求項1所述之椅具之座背連動裝置,其中,該椅座主體之彈片組立槽中係進一步設置有至少一座墊彈片及一梢桿,乃使該座墊彈片前端組設於該椅座底盤後側處,又於該座墊彈片後端處設有一透孔,並使該梢桿穿設於該座墊彈片之透孔中,且於該梢桿底端設有一止擋部,以供與該座墊彈片底面相抵接觸,另使該梢桿上端組設於該座墊組立板後側處,又於該座墊組立板前側及該椅座底盤之支撐彈片前端間設有一連結板,並使該連結板其上、下二端分別與該座墊組立板及該支撐彈片相樞接。The seat back linkage device of the chair as described in claim 1, wherein at least one cushion spring and a tip rod are further arranged in the spring assembly groove of the seat body, so that the front end of the cushion spring is assembled at the rear side of the seat chassis, and a through hole is provided at the rear end of the cushion spring, and the tip rod is passed through the through hole of the cushion spring, and The bottom end of the tip rod is provided with a stopper for contacting with the bottom surface of the seat cushion spring sheet. The upper end of the tip rod is assembled at the rear side of the seat cushion assembly vertical plate. A connecting plate is provided between the front side of the seat cushion assembly vertical plate and the front end of the supporting spring sheet of the seat chassis, and the upper and lower ends of the connecting plate are respectively pivotally connected with the seat cushion assembly vertical plate and the supporting spring sheet. 如請求項2所述之椅具之座背連動裝置,其中,該連結板係從後上方往前下方傾斜,而使該連結板與該座墊組立板間形成有一夾角。As described in claim 2, the seat back linkage device of the chair, wherein the connecting plate is inclined from the upper rear to the lower front, so that an angle is formed between the connecting plate and the seat cushion assembly plate. 如請求項3所述之椅具之座背連動裝置,其中,該連結板與該座墊組立板間之夾角係為6度。A seat back linkage device for a chair as described in claim 3, wherein the angle between the connecting plate and the seat cushion assembly plate is 6 degrees. 如請求項2所述之椅具之座背連動裝置,其中,該座墊組立板係於其前側底面處設有一凹槽,以供該連結板對應容置於凹槽內。As described in claim 2, the seat back linkage device of the chair is characterized in that the seat cushion assembly plate is provided with a groove on its front bottom surface so that the connecting plate can be correspondingly accommodated in the groove. 如請求項1所述之椅具之座背連動裝置,其中,該支撐彈片係由其後端往前端漸往上拋呈曲弧狀。As described in claim 1, the seat-back linkage device of the chair, wherein the supporting spring is gradually thrown upward from its rear end to the front end in a curved shape. 如請求項1所述之椅具之座背連動裝置,其中,該座墊組立板係於其底面的左、右二側處分別成型有一樞耳,另使該椅座主體於其左、右二側相對位置處各設有一樞部,以與該座墊組立板其二側樞耳分別以一該第二樞軸穿設樞接。As described in claim 1, the seat back linkage device of the chair is characterized in that the seat cushion assembly upright plate is formed with a hinge at the left and right sides of its bottom surface respectively, and the seat body is provided with a hinge at the opposite positions on the left and right sides thereof, so as to be pivotally connected with the hinges on the two sides of the seat cushion assembly upright plate respectively by passing through the second hinge. 如請求項1所述之椅具之座背連動裝置,其中,該椅座主體係於其彈片組立槽之槽底位於該椅背彈片下方處設有一消音片。The seat-back linkage device of the chair as described in claim 1, wherein the seat body is provided with a silencer at the bottom of the spring assembly groove below the seat-back spring. 如請求項1所述之椅具之座背連動裝置,其中,該椅具之座背連動裝置係進一步包含有一椅背控制單元,該椅背控制單元係包含有一卡榫,乃使該卡榫設置於該椅座主體之彈片組立槽中,並使該彈片組立槽於其後側槽壁中間處設有至少一卡溝,以與該卡榫對應卡掣,另於該座墊組立板一側處設有一第一控制板,且使該第一控制板與該卡榫相連結。A seat back linkage device for a chair as described in claim 1, wherein the seat back linkage device for the chair further includes a seat back control unit, and the seat back control unit includes a tenon, so that the tenon is arranged in the spring plate assembly vertical groove of the chair seat body, and the spring plate assembly vertical groove is provided with at least one groove in the middle of the rear groove wall to engage with the tenon, and a first control panel is provided on one side of the seat cushion assembly vertical plate, and the first control panel is connected to the tenon. 如請求項1所述之椅具之座背連動裝置,其中,該椅具之座背連動裝置係進一步包含有一升降控制單元,該升降控制單元係包含有一第二控制板,該第二控制板係組設於該座墊組立板一側處,又包含有一驅動柄,且使該驅動柄與該第二控制板相連結,另使該椅座底盤內形成有一中空部,並使該驅動柄設置於該椅座底盤之中空部內,且與該椅座底盤相樞接,又於該椅座底盤其底部中間處組設有一升降桿,並於該升降桿上端設有一作動鈕,且使該升降桿上端位於該椅座底盤之中空部內,復使該驅動柄前端與該升降桿上端之作動鈕相接觸。A seat back linkage device for a chair as described in claim 1, wherein the seat back linkage device for the chair further includes a lifting control unit, the lifting control unit includes a second control panel, the second control panel is assembled at one side of the seat cushion assembly plate, and also includes a driving handle, and the driving handle is connected to the second control panel, and a hollow portion is formed in the seat chassis, and the driving handle is arranged in the hollow portion of the seat chassis and is pivotally connected to the seat chassis, and a lifting rod is assembled in the middle of the bottom of the seat chassis, and an actuating button is provided at the upper end of the lifting rod, and the upper end of the lifting rod is located in the hollow portion of the seat chassis, and the front end of the driving handle is in contact with the actuating button at the upper end of the lifting rod.
TW111137719A 2022-10-04 2022-10-04 Seat back linkage device for chair TWI808904B (en)

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US11357329B2 (en) * 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
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