U393J37 五、新型說明： 【新型所屬之技術領域】 本創作係關於—種螢幕支撐臂，尤指_種易於自支撐 臂上將螢幕拆解下來之支撐臂結構者。 牙 【先前技術】 現有的支撐臂主要係固設於一卓面、脾 、杲167 ‘面或天花板等 之固定物上’並固定連接至—螢幕，@能藉此將f幕置放 於桌面或吊掛於牆面或天花板上，而現有的支樓臂 間大都採用固定結合的方式來加以 _ G 在進行罄 幕的拆換或維修時，欲將螢幕自撑 你办麻 夂彳牙*上取下，實相當的 人、工，且欲再次將螢幕組設於支撐臂上 費時費工’固現有支樓臂在使用時，實有相當的不广的 【新型内容】 4不便之處。 因此’本創作人有鐘於現有螢幕支撙臂結 的缺失’特經過不斷的試驗與研究，、终於發 用上 進現有缺失之本創作。 彳重可改 本創作之主要目的在於提供—種螢幕切 營幕方便地組裝或拆解自該支撐f^達 =讓 拆解作業效率及方便性之目的者。 门肢挺裝 為達上述目的，本創作主要係提供 其包含有： ：参支撐臂， 一上臂； 一樞設連接至上臂的下臂； 一設置於上臂異於與下f H结合的連接裝置’該連接裝置包含有—可轉動地設 置於上臂的結合樞桿’一樞設連接 件〆固定結合於結合套件上的合栖桿的結合套 —，也丨K ,於丰心 ，·。0座，於結合座上設置 者於处人座上、， 有^一個的卡制塊，另設 υ ι上亚用以與勞幕相固定結合的以片， Γ結合:Γ =至少—個分別與卡制片上卡制塊相互卡 扣的卡扣槽，以及 〆、二1下f異於與上臂樞設連接之另端，且用以固 镇於-·固疋物的固定座。 所述之螢幕支撐臂 其與下臂相樞設之一端 欠另端定義為結合端， T臂相枢設連接。 其中S亥上臂係—長形中空桿體， 定義為樞設端，與結合裝置相結合 該樞設端係設置有一樞設結構而與 所述之螢幕支樓臂，其中該樞設結構係包含有一樞座 ，一樞5又軸套’該樞座係呈中空狀而形成有一開口，該上 :的樞設端係由樞座的開口伸入樞座而與樞座相固定結 公’於樞座底面凸設有-枢，於枢枉上凹設有一道環狀 、疋位乜又忒樞设轴套係套設於枢柱上並容置於下臂一 而所认置的樞设孔上，於樞設軸套上縱向設置有一穿孔， 另叹有一螺入下臂、穿入樞設軸套之穿孔而卡入枢杈上定 •槽的定位栓。 β所迷之榮幕支撐臂，其中於上臂上設置有一壓缸，該 壓包合古 ,η„ 有—紅粗及—壓桿，該缸體一端係樞設連接於樞 座内，题ρ α γ 1 干iT、可伸縮地伸出缸體，且其一端係固設連接於 上同近結合端處。 4 M393.13/ 設且樞設連接於結合樞桿，於 …亥te軸兩端分別形成有一非 圓形的卡合塊’而於結合套件 陶s而之相對内側面凹設有與 分別與樞軸兩卡合塊相配合之非圓形卡入栌 所述之螢幕支撐臂，其中 a 、τ於、，古合座異於與結合套件相 對的一側面上凹設有一卡制槽， 亚於卡制槽底面凹設有一 谷置孔’该卡制片係容置於結 °座的卡制槽内，於卡制片 的側面上凸設形成有一容置於 合置孔中的固定管，又卡制 片的頂面傾斜延伸形成有一扳部。 所述之螢幕支撐臂，其中 土 、、，.。合套件的内側面上凸設 有一可抵靠結合樞桿的限止凸塊。 所述之螢幕支撐臂，其中 ’ Ή固定座結合的一端係 為結合端，於下臂結合端上凸 屯成有一枢柱，於樞柱上 凹設有一道環狀的定位槽，甘^^ 心姐^ 並於樞柱上套設有一枢設軸 套’而固定座上設置有一可佴 灰— 供今置下臂之枢柱及枢設軸套 的结合套官，並設置有一蟫人沾人 直有螺入結合套管、穿入柩設軸套而 卡入柩柱上定位槽的定位栓。 所述之螢幕支撐臂，直中 R ，、中又於上臂上設置有一蓋設於 上臂上且用以將壓缸封閉容置於 置有一理線圈。 、’内的封盍，於封蓋設 所述之螢幕支撐臂，其中於 .. 工澤上5又置有一壓缸，該 壓缸包含有一缸體及—愿擇， m T -f # * ^ ^ 體一端係樞設連接於上 臂與下I相拖设之一端處， .π 全才干知可伸縮地伸出缸體，且 其一端係固設連接於上臂 肢且 所述之螢幕支撐臂，1 ^鈿處。 两其中於上臂與連接裝置 —端設置有一結合孔，該遠杻 。的 、置的結合樞桿係可轉動地 6 上#的結合孔中，於結合樞桿頂端設置有—徑向貫穿 、.°合樞桿的失制礼， 孔且6又置有—與夾制孔連通的彈性失 '、 使結合彳區桿頂iW 9 r ΪΚ λ* 夹 干貝^概呈C形之可夾制形態，於夾制孔中 “ * Λ置有可相對夹制孔轉動並連接於結合套件的樞 結入藉由上述之技術手段，本創作利用卡制片上卡制塊與 人片上卡扣槽的相互卡扣，可快速地將與螢幕連接的結 上μ °又夂σ座上，或自結合座上方便地拆下，可大幅 :门茧幕與支撐臂間的結合或拆解作業之及方便性 者。 ,tt另本創作亦可藉由枢座上所形成具傾斜面及導槽的 鬼來提供與壓虹連接的樞動件—份平穩的導引效果， :在調整壓紅的預壓力0寺，可令樞動件能更平穩地相對樞 座移動者。 【實施方式】 ±本創作係提供一種營幕支撐臂，請配合參看圖Ί、2， 圖：可看到，本創作之螢幕支撐臂主要係包含有一上臂 月下署20 連接裝置40及一固定座5〇，其中上、 2〇係相互樞设結合，而使上、下臂1 0、20可相 厂。轉以調整角度，該連接裝置4。係設置於上臂、。異於 =臂20擓設連接之另端，用以與—蟹幕相結合而固 用以ί?ι〇 t結合於下臂2〇異於與上臂1 〇樞設連接之另端， 咎莫〜 纟果面&面或天化板等之固定物上，使該 螢幕，藉由螢幕支撐臂可調整地結合於該固定物。 該上臂1。係—長形中空桿體，其與下臂20相樞設之 M393J37 一端定義為枢設端11，與結合裝置40相結合之另端定義 為結合端1 2，該樞設端11係設置有一枢設結構30而與 下臂20相樞設連接，請再配合參看圖3至5，該樞設結構 3〇係包含有一樞座32及一枢設軸套34，該枢座32係呈 中空狀而形成有一開口，該上臂1 0的柩設端1 1係由樞座 32的開口伸入樞座32中而與框座32相固定結合，於柩 座32底面凸設有一樞柱322，於樞柱322上凹設有一道U393J37 V. New description: [New technical field] This creation is about a kind of screen support arm, especially the support arm structure that is easy to self-support the arm to disassemble the screen. Tooth [Prior Art] The existing support arm is mainly fixed on a fixed object such as a face, spleen, 杲 ' or ceiling, and is fixedly connected to the screen, and @ can be used to place the screen on the table. Or hanging on the wall or ceiling, and the existing branch arm is mostly fixed and combined. _ G. When the curtain is being replaced or repaired, you want to hold the screen to support you. It is time-consuming and labor-intensive to set up the screen on the support arm again. When the existing arm is in use, it is quite uneven. [New content] 4 Inconvenience . Therefore, the author of this creator has the constant experimentation and research in the existing screen support arm, and finally uses the original creation that is missing. The main purpose of this creation is to provide a kind of screen cutting screen that can be easily assembled or disassembled from the support f ^ up = for the purpose of dismantling the efficiency and convenience of the operation. The door is installed to achieve the above purpose, and the present invention mainly provides: a support arm, an upper arm; a lower arm connected to the upper arm; and a connecting device disposed on the upper arm different from the lower f H 'The connecting device comprises a coupling sleeve rotatably disposed on the upper arm', a pivoting connecting member, a coupling sleeve fixedly coupled to the jointing rod on the binding kit, and also a K, in the heart of the heart. Block 0, set on the joint seat on the seat, there is a card block, and another set of υ 上上亚 used to fix the film with the curtain, Γ combination: Γ = at least one The latching groove which is respectively engaged with the clamping block on the card piece, and the other end of the clamping device are different from the other end which is pivotally connected with the upper arm, and is used for fixing the fixing seat of the fixing body. The screen support arm is pivoted with one end of the lower arm, and the other end is defined as a joint end, and the T arm is pivotally connected. Wherein the S-upper arm-length hollow rod body is defined as a pivoting end, and the pivoting end is provided with a pivoting structure and a screen branch arm, wherein the pivoting structure comprises There is a pivoting seat, a pivoting 5 and a bushing. The pivoting seat is hollow and has an opening. The upper end of the pivoting end extends from the opening of the pivoting seat into the pivoting seat and is fixed to the pivoting seat. The bottom of the pivoting seat is convexly provided with a pivot, and a pivoting groove is arranged on the pivoting cymbal, and the pivoting sleeve is sleeved on the pivot post and accommodated in the lower arm. On the hole, a through hole is longitudinally disposed on the pivot sleeve, and a positioning bolt is inserted into the lower arm and penetrates the through hole of the pivot sleeve to engage the fixed slot of the pivot. The glory support arm of the β, which is provided with a pressure cylinder on the upper arm, the pressure pack is combined with the ancient, η„ has a red thick and a pressure bar, and one end of the cylinder is pivotally connected to the pivot seat, the title ρ α γ 1 dry iT, telescopically extending out of the cylinder, and one end of which is fixedly connected to the upper and lower joint ends. 4 M393.13/ is provided and pivotally connected to the combined pivot, two The ends are respectively formed with a non-circular engaging block ′, and the opposite inner side surface is concavely disposed on the opposite inner side surface to be matched with the pivoting two engaging blocks respectively. Wherein a, τ, ,, the ancient seat is different from the side of the binding sleeve, a recessed groove is formed, and the bottom surface of the snap groove is recessed with a valley hole. A fixing tube received in the fixing hole is formed on the side surface of the clamping piece, and a top portion of the clamping piece is obliquely extended to form a wrench portion. , wherein the inner side of the assembly of the earth, the assembly of the earth, a protruding stopper which can abut against the joint pivot is protruded. The support arm, wherein the end of the combination of the 'squatting seat is a joint end, and a pivot post is formed on the joint end of the lower arm, and an annular positioning groove is recessed on the pivot post, and the heart is ^^ A pivoting sleeve is arranged on the pivot post and a ash can be arranged on the fixing seat - a pivoting post for the lower arm and a pivoting sleeve of the pivoting sleeve, and a snail is provided Inserting a sleeve into the sleeve, and inserting a sleeve into the positioning slot of the positioning groove on the mast. The screen support arm, the straight middle R, and the upper arm are provided with a cover on the upper arm and used for The pressure cylinder is enclosed and placed in a protective coil. The inner seal is provided on the cover of the screen support arm, wherein a pressure cylinder is disposed on the upper surface of the machine, and the pressure cylinder comprises a cylinder. Body and - willing to choose, m T -f # * ^ ^ One end of the body is pivotally connected to one end of the upper arm and the lower I phase, and the .π all knows to extend telescopically out of the cylinder, and one end is fixed The screen support arm is connected to the upper arm and is 1 ^钿. The two of the upper arm are connected with the connecting device-end. The combination of the pivotal levers is rotatably connected to the upper part of the #6, and is disposed at the top end of the combined pivotal rod with a radial penetration, a hinged lever, and a hole 6 Equipped with - elastic loss in communication with the clamping hole, so that the top of the joint region iW 9 r ΪΚ λ* can be clamped into a C-shaped shape, and the "*" can be placed in the clamping hole. The clamping hole is rotated and connected to the pivoting of the binding kit. By the above-mentioned technical means, the present invention can quickly connect the knot with the screen by using the snap-fit of the card-carrying block and the snap-on groove on the person sheet. It can be easily removed from the upper μ ° and 夂 座 seat, or from the joint, which can be greatly: the combination of the door curtain and the support arm or the ease of disassembly. , tt Another creation can also provide a pivotal connection with the pressure-red joint by the ghost formed by the sloping surface and the guide groove on the pedestal - a smooth guiding effect: in the adjustment of the red pre-pressure 0 temple It can make the pivoting member move more smoothly relative to the pivoting seat. [Embodiment] ± This creation department provides a camping support arm, please refer to Figure Ί, 2, Figure: It can be seen that the screen support arm of this creation mainly includes an upper arm and a lower attachment unit 40 and a fixed The seat is 5〇, in which the upper and lower rafts are pivotally combined with each other, so that the upper and lower arms 10 and 20 can be phased together. Turn to adjust the angle, the connecting device 4. It is set on the upper arm. Different from the other end of the arm 20, the connection is used to combine with the crab curtain to be used in conjunction with the lower arm 2, which is different from the other end of the upper arm 1 , pivot connection. The screen is fixedly attached to the fixture by a screen support arm, such as a capsule surface or a surface or a fixed plate. The upper arm 1. The end of the M393J37, which is pivoted with the lower arm 20, is defined as a pivoting end 11, and the other end combined with the coupling device 40 is defined as a coupling end 12, and the pivoting end 11 is provided with a The pivoting structure 30 is pivotally connected to the lower arm 20. Referring to FIGS. 3 to 5, the pivoting structure 3 includes a pivoting seat 32 and a pivoting sleeve 34. The pivoting seat 32 is hollow. The opening of the upper arm 10 is formed by the opening of the pivoting seat 32 into the pivoting seat 32 to be fixedly coupled with the frame 32. A pivot post 322 is protruded from the bottom surface of the cymbal 32. There is a recess on the pivot post 322
環狀的定位槽32 3，又該樞設軸套34係套設於樞柱322 上並容置於下臂20 —端設置的樞設孔212上，於樞設軸 套34上縱向設置有一穿孔342，以一定位栓36螺入下臂 2〇、穿入枢設軸套34之穿孔342而卡入樞柱322上的定 位槽323中，如此可讓樞柱322能保持可相對樞設孔21 2 轉動，並提供樞柱322 —限制脫離的效果，而令上、下臂 2 0藉由該極設結構3 〇而相對樞轉。 又，於上臂10上設置有一壓缸14，以藉由該壓缸14 可提供一份支撐螢幕的支撐力量，其中，該壓缸14包含 有—缸體142及一壓桿144,該缸體142 一端係樞設且可 移動地連接於極座32内，壓桿144係可伸縮地伸出缸體 1 42 ’且其一端係固設連接於上臂彳〇近結合端彳2處，又 於樞座32内設置有一與缸體142樞設結合，且可相對樞 座32移動的樞動件33’該框動件33 一端係設置有一用 以與缸體142樞設連接的樞部如，該樞部332可為如圖 :示呈f柱形態，亦可為呈兩間隔的樞耳形態，另端則形 方…周整套管334上設置有一螺孔 。玄螺孔336可貫穿樞動件33，並於樞座32上設置 8 M393137 請配合參看圖2及圖7至9，該連接裝置40係可枢轉 • 地設置於上臂1 〇的結合端1 2，於上臂1 〇的結合端1 2設 置有一與連接裝置40相結合的結合孔1 22，又該連接裝置 40包含有一結合樞桿42，一結合套件43、一樞轴44、一 結合座45、一卡制片46及一結合片48，其中結合柩桿42 係可轉動地伸入上臂1 0的結合孔1 22中，於結合枢桿42 頂端設置有一徑向貫穿結合樞桿42的夾制孔422，且設置 有一與夾制孔422連通的彈性夾縫423，使結合框桿頂42 φ 端概呈C形之可夾制形態，又結合套件43係略呈C字形 而套設且樞設連接於結合樞桿42頂端，樞軸44係固設於 結合套件43上，且可轉動地夾制於結合樞桿42的夾制孔 422中’框轴44兩端分別形成有一非圓形的卡合塊442， 而於結合套件4 3兩端之相對内側面凹設有與分別與樞軸 44兩卡合塊442相配合之非圓形卡合槽432，可藉由卡合 塊442與卡合槽432的相互配合’令樞軸44得隨結合套 件43而相對結合樞桿42轉動，又於結合套件43的内側 •面上'^設有—可抵靠結合樞桿42的限止凸塊434，以藉此 可限制結合套件43可相對結合樞桿42的樞轉角度。 又、’° s座45係以一固定件47固定結合於結合套件43 上方、、”。σ座4 5異於與結合套件4 3相對的一側面上凹設 有—卡制槽452，並於卡制槽452底面凹設有一容置孔 454 ’ °玄卡制片46係容置於結合座45的卡制槽452内， 於卡制片4 6近頂@ ★The pivoting positioning groove 32 3 is further disposed on the pivot post 322 and received on the pivot hole 212 disposed at the end of the lower arm 20, and is disposed longitudinally on the pivoting sleeve 34. The through hole 342 is screwed into the lower arm 2〇 by a positioning bolt 36, and penetrates into the through hole 342 of the pivot sleeve 34 to be engaged in the positioning groove 323 of the pivot post 322, so that the pivot post 322 can be relatively pivoted. The aperture 21 2 rotates and provides a pivot post 322 - limiting the detachment effect, and the upper and lower arms 20 are relatively pivoted by the pole structure 3 〇. Further, a pressure cylinder 14 is disposed on the upper arm 10 to provide a supporting force for supporting the screen by the cylinder 14, wherein the cylinder 14 includes a cylinder 142 and a pressing rod 144. 142 is pivotally connected at one end and movably connected to the pole seat 32. The pressing rod 144 is telescopically extended from the cylinder block 1 42 ′ and one end thereof is fixedly connected to the upper arm 彳〇 near the joint end 彳 2, and A pivoting member 33' pivotally coupled to the cylinder block 142 and movable relative to the pivoting seat 32 is disposed in the pivoting seat 32. The frame member 33 is provided at one end with a pivot portion for pivotally connecting with the cylinder block 142. The pivot portion 332 can be in the form of a f-pillar as shown in the figure, or can be in the form of two spaced pivots, and the other end is shaped... the entire sleeve 334 is provided with a screw hole. The snail hole 336 can penetrate the pivoting member 33 and be disposed on the pivoting seat 32. 8 M393137. Referring to FIG. 2 and FIG. 7 to FIG. 9, the connecting device 40 is pivotally disposed at the joint end 1 of the upper arm 1 〇 2, the coupling end 1 2 of the upper arm 1 设置 is provided with a coupling hole 222 combined with the connecting device 40, and the connecting device 40 further comprises a coupling pivot 42 , a coupling sleeve 43 , a pivot 44 , a coupling seat 45. A card sheet 46 and a joint sheet 48, wherein the joint mast 42 is rotatably inserted into the joint hole 1 22 of the upper arm 10, and a radial through joint pivot 42 is disposed at the top end of the joint pivot rod 42. The hole 422 is formed, and a resilient slit 423 is formed in communication with the clamping hole 422, so that the end of the frame rod top 42 φ is substantially C-shaped, and the sleeve 43 is slightly C-shaped and sleeved. The pivoting connection is fixed to the top end of the joint pivoting rod 42. The pivoting shaft 44 is fixed on the coupling sleeve 43 and rotatably clamped in the clamping hole 422 of the jointing pivot 42. The two ends of the frame shaft 44 are respectively formed with a non-circular shape. The engaging block 442 is concavely disposed on the opposite inner sides of the two ends of the binding sleeve 43 and respectively engaged with the pivot 44 The 442 mating non-circular engaging groove 432 can be rotated by the engaging member 442 and the engaging groove 432 to make the pivot 44 rotate relative to the pivoting rod 42 with the coupling sleeve 43 and the coupling sleeve 43. The inner side surface is provided with a restraining projection 434 that is coupled to the pivot rod 42 to thereby limit the pivoting angle of the coupling sleeve 43 relative to the pivot rod 42. Moreover, the '° s seat 45 is fixedly coupled to the upper portion of the coupling sleeve 43 by a fixing member 47," the σ seat 45 is different from the side opposite to the coupling sleeve 43 by a locking groove 452, and A receiving hole 454 ′ is formed in the bottom surface of the clamping groove 452. The Xuan card sheet 46 is placed in the clamping groove 452 of the coupling seat 45, and the card sheet is near the top of the frame.
ι項裢處凸設有至少一個的卡制塊462，並於 卡制片4 6的側而L J叫面上凸設形成有一容置於容置孔454中的 固定管464，而》^ 卞制片46的頂面傾斜延伸形成有一扳部 10 M393137 466 ’其中固定件47係穿入結合座45的容置孔454並穿 入固定管464中，而與一螺帽相結合，而使夾制片46得 固設於結合座45的卡制槽452内。 該結合片4 8係用以與螢幕相固定結合，並設置於結 合座45的卡制槽452内，於結合片48的頂面凹設有至少 一個分別與卡制片46上卡制塊462相互卡扣的卡扣槽 482 ’使結合片48能穩固地結合於結合座45上。At least one of the clamping blocks 462 is convexly disposed on the side of the clamping piece 46, and a fixing tube 464 is formed on the side of the clamping piece 46 to be received in the receiving hole 454, and "^" The top surface of the tablet 46 is obliquely extended to form a rivet 10 M393137 466 ' wherein the fixing member 47 penetrates into the receiving hole 454 of the coupling seat 45 and penetrates into the fixing tube 464 to be combined with a nut to make the clip The sheet 46 is fixed in the locking groove 452 of the joint 45. The bonding piece 48 is fixedly coupled to the screen and disposed in the clamping groove 452 of the binding seat 45. At least one of the clamping blocks 462 on the top surface of the bonding piece 48 and the clamping piece 46 is recessed. The snap grooves 482 ′ that are snapped together enable the coupling piece 48 to be firmly coupled to the coupling seat 45 .
請配合參看圖1、2、4 ‘，該固定座50係與下臂20可 调整地相互結合，該固定座5〇可用以固定於桌面、牆面 或天花板等固定物上’其中下臂20與上臂1 〇相枢設結合 的一端係定義為樞設端2 1 ’與固定座50結合的一端則定 義為結合端22，於下臂20結合端22上凸設形成有一樞 枉24，於樞柱24上凹設有一道環狀的定位槽242，並於 樞主24上套设有一樞設軸套26，於樞設軸套上縱 設置有-穿孔262,而固^座5()上設置有—可供容置枢 =及樞設軸套26的結合套管52，並設置有一螺入結合 s 52、穿入樞設軸套26之穿孔啦而卡入樞柱μ上 位槽242的定位检54丄 έ士入. ，如此，可讓樞柱24能保持可相: 、··°。套官52轉動，使 避免下劈ό 更下“〇旎相對固定座50樞轉，— 、光下臂20自固定庙 50相結合。 0上h離，使下臂20得與固定） 待欲將螢幕自支撐 叛動卡制片46的扳部 下％’請配合參看圖1◦，僅需 覜離與結合片48上卡，使卡制片46上的卡制塊462 地將結合片48自#人^夂482相卡扣的位置，即可方便 &座45上的卡制槽扣上抽離，而使 M393137 固定定於結合片4 8上的螢幕與支撐臂相分離， 幕更換及維修等作 u進行螢 年作業，待作業完成後，再將結合 策 入卡制槽452 ψ π , 片48插 ’可利用卡制片46本身的彈性而 制塊462自動卡4生而令其卡 ,^ # ,, ., ^ D ;&片48的卡制槽，來完成螢μ 支擇臂的結合作| 一 X京幕斑 ^ ^ 4 業，錯此可大幅提高螢幕與支撐臂Μ " 合或拆解作業之致率及方便性者。 …的結 【圖式簡單說明】 圖1係本創作之立體外觀圖。 圖2係本創作之局部立體分解圖。 圖3係本創作樞設結構之立體分解圖。 圖4係本創作之局部剖面圖。 圖5係本創作樞έ y 又、'0構之局部剖面放大圖。 圖6係本創作樞設姓播少士。^ y 又，，.口構之刼作實施例圖。 圖7係本創作連接裝 文衣直之立體分解圖。 圖8係本創作連接裝 ^ 丧戒置之局部剖面圖。 圖9係本創作連接裝 衣直之另—局部剖面圖。 圖1〇係本創作將結人κ白 知从也 〇 σ片自結合座上拆離之局邱 场作示意圖》 〇 剖面 【主要元件符號說明】 10上臂 12結合端 14壓缸 144壓桿 162理線圈 1 1樞設端 1 2 2結合孔 142缸體 16封蓋 20下臂Referring to Figures 1, 2, and 4', the fixing base 50 is adjustably coupled to the lower arm 20, and the fixing base 5 can be fixed to a fixture such as a table top, a wall or a ceiling. One end of the pivoting end of the upper arm is defined as a pivoting end. The end of the pivoting end 2 1 ' is defined as a coupling end 22 , and a pivoting end 24 is formed on the coupling end 22 of the lower arm 20 . An annular positioning groove 242 is defined in the pivot post 24, and a pivoting sleeve 26 is sleeved on the pivoting main body 24, and a through hole 262 is vertically disposed on the pivoting sleeve, and the fixing seat 5 () The coupling sleeve 52 for accommodating the pivoting member and the pivoting sleeve 26 is disposed, and is provided with a screwing joint s 52, and the through hole of the pivoting sleeve 26 is inserted into the pivot post upper slot 242. The positioning of the inspection is 54 gentlemen. In this way, the pivot 24 can be kept in phase: , ··°. The sleeve 52 is rotated to avoid the lower jaw. The lower jaw is pivoted relative to the fixed seat 50. The lower arm 20 is combined with the fixed temple 50. 0 is separated from the lower arm 20, and the lower arm 20 is fixed. Please refer to FIG. 1 for the bottom of the screen of the self-supporting rebel card sheet 46. Only the card is separated from the bonding piece 48, so that the clamping block 462 on the card sheet 46 will be bonded to the sheet 48. The position of the #人^夂482 phase buckle can be easily removed from the card slot on the seat 45, and the screen fixed on the joint piece 48 of the M393137 is separated from the support arm, and the screen is replaced. Maintenance, etc., for the year of the fireflies, after the completion of the work, the combination of the card slot 452 ψ π, the piece 48 inserted 'can be used to make the block 462 automatic card 4 using the elasticity of the card sheet 46 itself Card, ^ # , , . , ^ D ; & the 48 card slot, to complete the knot cooperation of the firefly μ arm | one X Beijing screen spot ^ ^ 4 industry, the wrong can greatly improve the screen and support arm Μ " Combining or dismantling the rate and convenience of the operation. ... The knot [simple description of the drawing] Figure 1 is the three-dimensional appearance of the creation. Figure 2 is the partial three-dimensional of the creation Fig. 3 is an exploded perspective view of the erected structure of the present invention. Fig. 4 is a partial cross-sectional view of the present creation. Fig. 5 is a partial cross-sectional enlarged view of the έ y and '0 constituting the creation. The singularity of the singularity of the singularity is shown in Fig. 7. Fig. 7 is a three-dimensional exploded view of the splicing of the stencil. Fig. 9 is a partial cross-sectional view of the original connection of the creation of the creation. Fig. 1 is a schematic diagram of the Qiu field of the detachment of the κ 知 知 知 自 片 自 自 》 》 》 》 》 》 【 Main component symbol description] 10 upper arm 12 combined end 14 cylinder 144 pressure rod 162 handle coil 1 1 pivot end 1 2 2 joint hole 142 cylinder 16 cover 20 lower arm