200920963 九、發明說明： 【發明所屬之技術領域】 器 本發明係一種致動器，特別是指一種線性致動 【先前技術】 致動器的使用範_當廣泛，其中有—種非同動式至 動器9 0 (請參閱第】圖所示）包含—基座g丄、一第一 筒9 2、-第二筒93、第三筒94、—馬達”、— 一螺桿9 6、—第二螺桿9 7及-第三螺桿9 8 ; 該第-筒92具有-容置空間921，該第 一端固置於該基座91頂側； 該第二筒9 3具有-穿置空間9 3 1，該第二筒9 樞置於該第一筒9 2的容置空間9 2 i中； 該第三筒9 4具有-穿置空間9 4 1，該第三筒9 樞置於該第二筒9 3的容置空間9 3工中； 置於該第三筒94-端； =-螺桿96為，空’該第一螺桿冗具有一外_ 、、文i 9 6 1 ，該第—虫累卢〇 β 側； 《料96-端固置於該基座91力 該第二螺桿9 7為令空， 内螺紋壁9 7i及—一_ μ…、干7具有-第-1及一弟二内螺紋壁9 7 2，該第二螺桿9 200920963 7的第二内螺紋壁9 7 2相斟 4 2相對應邊弟-螺桿94的外螺 該第二螺桿9 7 一端組合於該第二筒9 3的奋置空間9 21開放端上亥 人认__ 螺杯9 7另一端組 口於:亥弟三筒94的容置空間931開放端上丨 第三螺桿98為令空，該第三螺桿9 螺紋壁9 8 1，钫梦-城^ ^ r 對庫第-j 于98的第—外螺紋壁98!相 一::;螺# 9 7的第-内螺紋壁9 7，該第三螺桿9 8 鈿與5亥馬達9 5動力連結； 當該非動式致動器作動時（ UQ 了“月參閱弟2圖所示），該 馬達9 5驅動該第三螺桿9 著兮笛疋得该弟二螺桿9 8便順 者以弟一螺杯9 7旋轉 在該第三螺桿98旋轉至”第=：；94_;且 時(請參…亥第-螺桿”喃合的極限 8帶動:JLr馬達"會由該第三螺桿9 8=—螺桿”旋轉’該第二螺桿”又會_ 第螺杯96旋轉，進而帶動+ π ^ ^ μ第二筒93位移；但前述 非同動式致_於實際❹時，料訂關題： ⑴完全伸縮時間冗長：由於 移至極限後，才得以帶動該第^弟二同9 4必須位 縮必須花費相當多的時間。―问93位移，所以完全伸 (2)旋轉影響直線運動：該第三 至極限時才會帶_第二螺 ㈣、#9 8疋在旋轉 卞仟y ^疋轉，所以該第一筒9 200920963 2、該第二筒9 3、該第三筒9 4彼此受各螺桿9 6、9 7、9 8旋轉帶動’受限於_設計，將容㈣生旋轉， 影響直線運動’造成穩定性不足及精確度下降。 而為了能财效解決前述相_題，本發明創作人美 於過去在線性致動||領域所累積的研發技術與經驗，純 次試驗及多方嘗試後，終於發展出—種線性致動器。 【發明内容】 本發明-種線性致動益，其—目的在於該線性制動器 的各管透㈣桿與肺㈣钱，關以錢導輪及複數 拉撐件，讓5亥外管、δ亥中管及該内管同時位移同步伸縮， 減少完全伸縮花費的時間； 本發明一種線性致動器，其二目的在於該線性致動器 的外管、中管及内管彼此之間透過弧部與導部導滑位移， 避免該外管、該中管及内管於位移時產生旋轉，提升直線 運動的平穩性及精確度； 本發明一種線性致動器，其三目的在於該線性致動器 透過一调整螺絲§周整'一疋桿的南度即可控制第一拉撐件 與第二拉撐件張力。 有關本發明為達成上述目的，所採用之技術、手段及 200920963 其他功效’兹列舉實施例並配合圖式詳細說明如後，相信 本發明之目的、特徵及其他優點，#可由之得—深入而具 體之瞭解。 【實施方式】 關於本發明為達上述目的，所採用之技術、手段及其 他之功效，並配合參閱第4®及第8圖詳細說明如后； 本發明線性致動器1 0包含一外管2 〇、一中管3 0 及一内管4 0 ; 該外官2 0斷面近似三角形，該外管2 〇壁上間隔設 有三個弧部2 〇 1及三個導部2 〇 2，其一弧部2 〇丄位 於一V部2 0 2之間，或者，其一導部2 2位於二弧部 201之間，該外管2〇為中空貫穿狀，該外管2〇於一 端組設一底蓋2 1 ’該外管2 〇於底蓋2 1上軸向樞設一 螺桿2 2，該螺桿2 2 —端徑向成型一齒盤2 3，該齒盤 2 3係透過一皮帶與一馬達動力連結，該外管2 〇另於底 盘2 1上軸向鎖設一第一定桿2 4及一第二定桿2 5，該 第一定桿2 4與該第二定桿2 5分別透過一第一調整螺 絲2 4 1與一第二調整螺絲2 5 1鎖設於該底蓋2 1 上’該螺桿2 2分別與該第一定桿2 4及第二定桿2 5彼 此平行且間隔相距，該第一定桿2 4頂端固設一第一拉撐 200920963 件2 4 2，該第一拉撐件2 4 2為皮帶，該第二定桿2 5 頂端固設-第二拉撐件2 5 2，該第二拉撐件2 5 2為鋼 索； 該中管3 0戴面積小於該外管2 〇截面積，該中管3 0壁面上間隔設有三個弧部3 0 i及三個導部3 〇 2，該 中管3 0樞置於該外管2 〇中，令該中管3 〇的弧部3 〇 1及導部3 0 2相對應該外管2 0的弧部2 〇 1及導部 202，該中管30為中空貫穿狀，該中管3〇於一端組 設一底蓋3 1，該中管3 0於底蓋3 1上貫穿一第一通孔 3 2、一第二通孔3 3及一第三通孔3 4，該各通孔3 2、3 3、3 4彼此平行且間隔相距，該第一通孔3 2 — 侧軸向成型一具螺孔3 5 1的推柱3 5，該推柱3 5的螺 孔3 5 1相對該外管2 0的螺桿2 2螺合，該推柱3 5頂 端軸向樞設一第一導輪A，該第二通孔3 3供該外管2 〇 的第一定桿2 4穿設’該第三通孔3 4供該外管2 0的第 一定桿2 5穿設，該底蓋3 1底側軸向樞設一第二導輪b 容置於該外管2 0中； 該内管4 0截面積小於該中管3 0截面積，該内管4 0壁面上間隔設有三個弧部4 0 1及三個導部4 0 2，該 9 200920963 内管4 0樞置於該中管3 0中，令該内管4 0的弧部4 〇 1及導部4 0 2相對應該中管3 0的弧部3 0 1及導部 302，該内管40為中空貫穿狀，該内管40於一端組 設一底蓋41，該内管40於底蓋41上貫穿一第一通孔 4 2、一第二通孔4 3及一第三通孔4 4分別相對該中管 3 0其底蓋3 1上的推柱3 5、第二通孔3 3及一第三通 孔3 4 ’該第一通孔4 2供該中管3 0的推柱3 5穿設， 令該推柱3 5的第一導輪a容置於該内管40中，該第二 通孔4 3供該外管2 0的第一定桿2 4穿設，該第一拉撐 件2 4 2—端受該第一定桿2 4定位下，該第一拉撐件2 4 2另端固設於該内管4 〇的底蓋4 1頂侧，且該第一拉 撐件2 4 2二端之間繞設於該第—導輪a上，該第三通孔 4 4供該外管2 G的第二定桿2 5穿設，該第二拉撐件2 5 2 一端X該第二定桿2 5 ^位下，該第二拉撐件2 5 2 另端SU又於3亥内官4 0的底蓋4 1底側，且該第二拉撐件 2 5 2二端之間繞設於該第二導輪B上； 以上所述’即為本發明較佳實施例各相關元件的相互 關係位置及其構造之概述。 為了清楚說明本發明的作動方式與功效，再請配合來 閱第5圖至第8圖所示： 乂 200920963 該螺桿2 2外螺紋與該螺孔3 5 1内螺紋嚙合丁，該 螺桿2 2旋轉順沿该螺孔3 5 1進而帶動該推柱3 5位 移’讓該中管3 0的弧部3 0 1及導部3 〇 2順沿該外管 2 0的弧部2 0 1及導部2 0 2向上位移，同時該推柱3 5上的第一導輪A順沿該第一拉撐件2 4 2滚動，該第一 拉撐件2 4 2—端在該第一定桿2 4限位下，該第一拉撐 件2 4 2另端將拉動該内管4 0的底蓋4 1，使該内管4 0的弧部4 0 1及導部4 0 2順沿該中管3 〇的弧部3 0 1及導部3 0 2向上位移，另外，該内管往上位 移，將同時拉動該第二拉撐件2 5 2 —端，該第二拉撐件 2 5 2另端在該第二定桿2 5限位下，該第二導輪B將順 沿該第二拉撐件2 5 2滾動輔助該中管3 0位移； 綜上所述，本發明係一種線性致動器，係由一内管、 一中管及一外管依序樞結而成；其中，各管成型有至少三 弧部及至少三導部，且各管之間相互抵觸，該外管轴向設 有螺桿及二定桿，該二定桿分別穿設該中管與内管，該 二定桿端部分別設有一拉撐件，該二拉撐件端部分別固結 於忒内管上，該中管軸向設有一推柱相對該螺桿螺合，該 推柱與該中管分別樞設一導輪供該二拉撐件繞置，各管的 位移必須藉由該螺桿與該推柱螺旋進行相對運動，再搭配 11 200920963 該導輪與該拉撐件，令該三管同時伸縮同步位移；所以本 發明具有『產業之可利用性』已顯而易見，且本案實施例 所揭露出的特徵技術，並未見於各刊物及傳媒，亦未曾被 公開使用，更具有不可輕忽的附加功效，故本發明的『新 穎性』以及『進步性』都已符合專利法規，爰依法提出發 明專利之申請，祈請惠予審查並早日賜准專利，實感德便。 12 200920963 【圖式簡單說明】 第1圖係習用之組合示意圖。 第2圖係習用之伸張示意圖一。 第3圖係習用之伸張示意圖二。 第4圖係本發明之外觀示意圖。 第5圖係本發明未伸張之組合示意圖一。 第6圖係本發明未伸張之組合示意圖二 第7圖係本發明已伸張之組合示意圖一。 第8圖係本發明已伸張之組合示意圖二。 【主要元件符號說明】 《習用》 非同動式致動器 基座9 1 第一筒9 2 第二筒9 3 第三筒9 4 馬達9 5 第一螺桿9 6 第二螺桿9 7 第二内螺紋壁9 第三螺桿9 8 0 容置空間9 2 1 穿置空間9 3 1 穿置空間9 4 1 外螺紋壁9 6 1 第一内螺紋壁9 7 1 2 第一外螺紋壁9 8 1 13 200920963 《本發明》 線性致動器10 外管2 0 弧部2 0 1 導部2 0 2 底蓋2 1 螺桿2 2 齒盤2 3 第一定桿2 4 第一調整螺絲2 4 1 第一拉撐件2 4 2 第二定桿2 5 第二拉撐件2 5 2 中管3 0 第一調整螺絲2 5 1 弧部3 0 1 導部3 0 2 底蓋3 1 第一通孔3 2 第二通孔3 3 第三通孔3 4 推柱3 5 螺孔3 5 1 第一導輪A 内管4 0 第二導輪B 弧部4 0 1 導部4 0 2 底蓋4 1 第一通孔4 2 第二通孔4 3 第三通孔4 4 14200920963 IX. Description of the Invention: [Technical Field] The present invention relates to an actuator, and more particularly to a linear actuation. [Prior Art] The use of actuators is extensive, and there are various types of non-cooperation To the actuator 9 0 (see the figure), including - the base 丄, a first cylinder 9.2, a second cylinder 93, a third cylinder 94, a "motor", a screw 9 6 a second screw 9 7 and a third screw 9 8 ; the first cylinder 92 has an accommodating space 921 which is fixed on the top side of the base 91; the second cylinder 9 3 has a wear-through a space 9 3 1 , the second cylinder 9 is pivoted in the accommodating space 9 2 i of the first cylinder 9 2 ; the third cylinder 9 4 has a wearing space 9 4 1 , and the third cylinder 9 is pivoted The arranging space 9 3 of the second cylinder 9 3 is placed at the end of the third cylinder 94--; the screw 96 is empty, the first screw has an outer _, and the text i 9 6 1 , the first - insect Lu Lu β side; "the 96-end is fixed on the base 91 force the second screw 9 7 is empty, the internal thread wall 9 7i and - a_ μ ..., dry 7 has - The first screw and the second inner threaded wall 9 7 2, the second screw 9 2009209 63 7 of the second internal thread wall 9 7 2 phase 斟 4 2 corresponding to the brother-screw 94 external screw The second screw 9 7 end is combined with the second barrel 9 3 of the open space 9 21 open end on the sea The person recognizes __ screw cup 9 7 the other end group mouth: Haidi three cylinder 94 accommodation space 931 open end upper third screw 98 is empty, the third screw 9 threaded wall 9 8 1, nightmare - City ^ ^ r to the first - externally threaded wall 98 of the library -j to 98; phase 1::; the first internal threaded wall 917 of the screw #9 7 , the third screw 9 8 钿 and the 5 hai motor 9 5 Power connection; when the non-moving actuator is actuated (UQ is shown in "Yue see brother 2"), the motor 9 5 drives the third screw 9 to pick up the flute and the second screw 9 8 The first screw of the screw cup 9 7 rotates to the third screw 98 to "the first =:; 94_; and the time (please refer to the ... the first - screw) the limit of 8 driving: JLr motor " will be the third screw 9 8 = - screw "rotation" the second screw will _ the first screw cup 96 rotation, and then drive the + π ^ ^ μ second cylinder 93 displacement; but the aforementioned non-synchronous _ in the actual ❹, the order Key points: (1) Full lengthening time is lengthy: due to shift to the limit It is necessary to take a considerable amount of time to drive the second brother and the same. It is 93 displacement, so the full extension (2) rotation affects the linear motion: the third to the limit will bring _ second snail (4), #9 8疋 is rotated 卞仟 y ^疋, so the first cylinder 9 200920963 2, the second cylinder 9 3, the third cylinder 9 4 are rotated by the respective screws 9 6 , 9 7 , 9 8 Driving 'restricted by _ design, will allow (four) to rotate, affecting linear motion' resulting in insufficient stability and reduced accuracy. In order to solve the above problems in terms of financial efficiency, the creators of the present invention have developed a linear actuator in the past, after the purely experimental and multi-faceted research and development techniques and experience accumulated in the field of linear actuation. SUMMARY OF THE INVENTION The present invention is a linear actuating benefit, which is aimed at the perforation of the linear brake (four) rod and the lung (four) money, the money guide wheel and the plurality of pull-up members, let the 5 Hai Wai tube, δ Hai The middle tube and the inner tube simultaneously shift and expand and contract simultaneously, reducing the time taken for the full expansion; the linear actuator of the present invention, the second purpose is that the outer tube, the middle tube and the inner tube of the linear actuator pass through the arc Guided sliding displacement of the guide portion, avoiding rotation of the outer tube, the middle tube and the inner tube during displacement, and improving the smoothness and accuracy of linear motion; a linear actuator of the present invention, the three purposes of which are linear actuation The tension of the first struts and the second struts can be controlled by adjusting the screws § to the south of the mast. </ RTI> </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; Specific understanding. [Embodiment] The present invention relates to the above-mentioned objects, techniques, means and other effects, and is described in detail with reference to Figures 4 and 8 as follows; the linear actuator 10 of the present invention comprises an outer tube 2 〇, a middle tube 3 0 and an inner tube 40; the outer section 20 0 is approximately triangular, and the outer tube 2 is provided with three arc portions 2 〇 1 and three guide portions 2 〇 2 on the wall of the raft. An arc portion 2 〇丄 is located between a V portion 2 0 2 , or a guide portion 2 2 is located between the two arc portions 201 , the outer tube 2 〇 is hollow through, and the outer tube 2 is at one end A bottom cover 2 1 ' is disposed on the bottom cover 2 1 and a screw 2 2 is axially disposed on the bottom cover 2 1 . The screw 2 2 end is radially formed with a toothed disc 2 3 , and the toothed disc 2 3 is transmitted through A belt is coupled to a motor, and the outer tube 2 is axially locked with a first fixed rod 24 and a second fixed rod 25, and the first fixed rod 2 4 and the second The fixed rods 2 5 are respectively locked to the bottom cover 2 1 through a first adjusting screw 2 4 1 and a second adjusting screw 2 5 1 respectively. The screw 2 2 is respectively associated with the first fixed rod 2 4 and the second fixed Rods 2 5 are parallel to each other and spaced apart A first pull-up 200920963 piece 2 4 2 is fixed to the top end of the first fixed rod 2 4 , the first pull-up piece 2 4 2 is a belt, and the second fixed rod 2 5 is fixed at the top end - the second pull-up piece 2 5 2, the second tension member 2 5 2 is a steel cable; the middle tube 30 wear area is smaller than the outer tube 2 cross-sectional area, and the middle tube 30 wall is provided with three arc portions 3 0 i and three The guiding portion 3 〇2, the middle tube 30 is pivoted in the outer tube 2 ,, so that the arc portion 3 〇1 and the guiding portion 3 0 2 of the middle tube 3 相对 correspond to the arc portion 2 of the outer tube 20 〇 1 and the guide portion 202, the middle tube 30 is hollow through, and the bottom tube 3 is disposed at one end of the middle tube 3, and the middle tube 30 extends through the first through hole 32 in the bottom cover 31. a second through hole 3 3 and a third through hole 34, the through holes 3 2, 3 3, and 3 4 are parallel to each other and spaced apart from each other, and the first through hole 3 2 is axially formed with a screw hole a push rod 3 5 of the 3 5 1 , the screw hole 3 5 1 of the push rod 35 is screwed with respect to the screw 2 2 of the outer tube 20, and a first guide wheel A is axially pivoted at the top end of the push rod 35, The second through hole 3 3 is provided for the first fixed rod 24 of the outer tube 2 穿 to pass through the first through hole 3 4 for the first fixed rod 2 5 of the outer tube 2 The second guide wheel b is axially disposed on the bottom side of the bottom cover 3 1 and is received in the outer tube 20; the cross-sectional area of the inner tube 40 is smaller than the cross-sectional area of the middle tube 30, and the inner tube 40 The wall surface is provided with three arc portions 409 and three guide portions 420. The inner tube 40 is pivoted in the middle tube 30, so that the arc portion 4 〇1 of the inner tube 40 and The guiding portion 4 0 2 corresponds to the arc portion 3 0 1 of the middle tube 30 and the guiding portion 302. The inner tube 40 has a hollow through shape, and the inner tube 40 is provided with a bottom cover 41 at one end, and the inner tube 40 is at the bottom. The cover 41 extends through a first through hole 4 2, a second through hole 4 3 and a third through hole 4 4 respectively opposite to the middle tube 30, the push post 35 on the bottom cover 3 1 , and the second through hole 3 3 and a third through hole 3 4 'the first through hole 4 2 is inserted through the push rod 35 of the middle tube 30, so that the first guide wheel a of the push rod 35 is received in the inner tube 40, the second through hole 43 is provided for the first fixed rod 24 of the outer tube 20, and the first pulling member 2 4 2 - end is positioned by the first fixed rod 24, the first A pull-up member 2 4 2 is fixedly disposed on the top side of the bottom cover 4 1 of the inner tube 4 ,, and the first pull-up member 24 2 is disposed on the first guide wheel a between the two ends. The first The through hole 4 4 is provided for the second rod 2 5 of the outer tube 2 G, the second rod member 2 5 2 is at one end X the second rod is 2 5 position, and the second rod member 25 is 2 The other end SU is further disposed on the bottom side of the bottom cover 4 1 of the 3H inner official 40, and the second tensioning member 2 5 2 is disposed on the second guide wheel B between the two ends; An overview of the interrelationship locations and their construction of the various components of the preferred embodiment of the present invention. In order to clarify the operation mode and effect of the present invention, please refer to Fig. 5 to Fig. 8 together: 乂200920963 The external thread of the screw 2 2 is engaged with the internal thread of the screw hole 3 5 1 , and the screw 2 2 Rotating along the screw hole 3 5 1 to drive the push rod 35 to shift 'the arc portion 3 0 1 of the middle tube 30 and the guide portion 3 〇2 along the arc portion 2 0 1 of the outer tube 20 and The guiding portion 2 0 2 is displaced upward, and the first guiding wheel A on the pushing column 35 is rolled along the first pulling member 2 4 2 , and the first pulling member 2 4 2 end is at the first When the fixed rod 2 4 is in the position, the other end of the first tension member 2 4 2 will pull the bottom cover 4 1 of the inner tube 40 to make the arc portion 4 0 1 and the guide portion 4 0 2 of the inner tube 40 The arc portion 3 0 1 and the guide portion 3 0 2 along the middle tube 3 向上 are displaced upward, and the inner tube is displaced upward, and the second struts 2 5 2 end are simultaneously pulled, the second pull The second end of the support member 2 5 2 is limited by the second fixed rod 25, and the second guide wheel B will roll along the second pull member 2 5 2 to assist the displacement of the middle tube 30; The present invention is a linear actuator which is formed by an inner tube, a middle tube and an outer tube. Wherein each tube is formed with at least three arc portions and at least three guide portions, and the tubes are in contact with each other, the outer tube is axially provided with a screw and two fixed rods, and the two fixed rods are respectively disposed through the middle tube and the inner tube The ends of the two rods are respectively provided with a struts, and the ends of the two struts are respectively fixed on the inner tube, and the middle tube is axially provided with a push column screwed with respect to the screw, and the push rod and the push rod are respectively The middle tube is respectively provided with a guide wheel for the two tension members to be wound, and the displacement of each tube must be relatively moved by the screw and the push column screw, and then the steering wheel and the tension member are matched with 11 200920963 The three tubes simultaneously expand and displace the synchronous displacement; therefore, the invention has the "industrial availability", and the characteristic techniques disclosed in the embodiments of the present invention are not found in various publications and media, and have not been publicly used, and are not The additional effects of negligence, so the "novelty" and "progressiveness" of the present invention have been in compliance with the patent regulations, and the application for invention patents has been filed according to law, and it is prayed for review and early grant of patents. 12 200920963 [Simple description of the diagram] Figure 1 is a schematic diagram of the combination of the habits. Figure 2 is a schematic diagram of the extension of the conventional one. Figure 3 is a schematic diagram of the extension of the second. Figure 4 is a schematic view of the appearance of the present invention. Figure 5 is a schematic diagram 1 of the combination of the present invention. Fig. 6 is a schematic view of the combination of the unextended combination of the present invention. Fig. 7 is a schematic view of the combination of the present invention. Figure 8 is a schematic view of the combination of the present invention. [Description of main component symbols] "Usage" Non-synchronized actuator base 9 1 First cylinder 9 2 Second cylinder 9 3 Third cylinder 9 4 Motor 9 5 First screw 9 6 Second screw 9 7 Second Internal thread wall 9 Third screw 9 8 0 accommodating space 9 2 1 Threading space 9 3 1 Threading space 9 4 1 External thread wall 9 6 1 First internal thread wall 9 7 1 2 First external thread wall 9 8 1 13 200920963 <<The present invention》 Linear actuator 10 Outer tube 2 0 Arc part 2 0 1 Guide part 2 0 2 Bottom cover 2 1 Screw 2 2 Sprocket 2 3 First rod 2 4 First adjustment screw 2 4 1 First struts 2 4 2 Second rod 2 5 Second struts 2 5 2 Middle tube 3 0 First adjustment screw 2 5 1 Arc 3 0 1 Guide 3 0 2 Bottom cover 3 1 First pass Hole 3 2 second through hole 3 3 third through hole 3 4 push column 3 5 screw hole 3 5 1 first guide wheel A inner tube 4 0 second guide wheel B arc portion 4 0 1 guide portion 4 0 2 bottom cover 4 1 first through hole 4 2 second through hole 4 3 third through hole 4 4 14