JP5039770B2 - Assembly device for linear actuator with auto-lock function - Google Patents

Assembly device for linear actuator with auto-lock function Download PDF

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JP5039770B2
JP5039770B2 JP2009276372A JP2009276372A JP5039770B2 JP 5039770 B2 JP5039770 B2 JP 5039770B2 JP 2009276372 A JP2009276372 A JP 2009276372A JP 2009276372 A JP2009276372 A JP 2009276372A JP 5039770 B2 JP5039770 B2 JP 5039770B2
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linear actuator
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新安 江
東星 陳
泰宏 林
士原 ▲曾▼
國恩 ▲曾▼
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Hiwin Mikrosystem Corp
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Description

本発明は、リニアアクチュエータに関し、特に、オートロック機能付きリニアアクチュエータ用組付け装置に関するものである。   The present invention relates to a linear actuator, and more particularly to an assembly device for a linear actuator with an auto-lock function.

まず、図１を参照する。リニアアクチュエータの運動は、モータ１０が動力を出力し、この動力は、互いに垂直に噛合うウォーム１１とウォーム歯車１２とを経由し、ねじ軸１３に伝えられ、ねじ軸１３が回転し、このとき、ねじ軸１３に螺合するブッシュ１４がねじ軸１３の軸方向に沿って変位し、これにより、ブッシュ１４と同軸に連接する内管１５を押えることができ、ブッシュ１４によるリニア押え力が内管１５を経由して外部に与えられ、且つウォーム歯車１２に締結されるオートロック用バネ１６によりねじ軸１３の回動が制御される。   First, refer to FIG. As for the movement of the linear actuator, the motor 10 outputs power, and this power is transmitted to the screw shaft 13 via the worm 11 and the worm gear 12 that are vertically engaged with each other, and the screw shaft 13 rotates. The bush 14 that is screwed to the screw shaft 13 is displaced along the axial direction of the screw shaft 13, whereby the inner tube 15 that is coaxially connected to the bush 14 can be pressed, and the linear pressing force by the bush 14 is increased. The rotation of the screw shaft 13 is controlled by an auto-locking spring 16 which is given to the outside via the pipe 15 and fastened to the worm gear 12.

上記の伝動装置を適切に組付けるために、図２及び図３に示すように、特許文献１の米国特許第７０６６０４１号及び特許文献２の欧州特許第１３２２８７６号のアクチュエータ用組付け装置２０が提案された。アクチュエータ用組付け装置２０は、ほぼチューブ形状を呈するギアボックス２１に伝動装置の各部材が組み付けられ、ねじ軸１３のシャフトの一端に設けられ二つの部材を組合って構成されるリア固定台２２により軸受１７にねじ軸１３を固定する。そうすると、ねじ軸１３のその軸方向への変位ができなくなり、二つのハーフケース２３、２４を上下に組合わせることにより、ギアボックス２１とリア固定台２２を連接することができる。   In order to properly assemble the above transmission device, as shown in FIG. 2 and FIG. 3, the actuator assembly device 20 of US Pat. No. 6,066,041 of Patent Literature 1 and European Patent No. 1,228,762 of Patent Literature 2 is proposed. It was done. The actuator assembly device 20 includes a rear fixing base 22 configured by combining each member of the transmission device with one end of the shaft of the screw shaft 13 in which each member of the transmission device is assembled in a gear box 21 having a substantially tube shape. Thus, the screw shaft 13 is fixed to the bearing 17. Then, the screw shaft 13 cannot be displaced in the axial direction, and the gear box 21 and the rear fixing base 22 can be connected by combining the two half cases 23 and 24 up and down.

米国特許第７０６６０４１号明細書US Pat. No. 6,066,041 欧州特許第１３２２８７号明細書European Patent No. 132287

しかしながら、これは次のような欠点があった。
（１）リア固定台２２は、更に、リニアアクチュエータ全体と外部の部材を連結するためのものとされ、しかし、従来の二つの部材を組合って構成されるリア固定台２２の応力を受ける強度が不足であり、リア固定台２２は損壊し易い。 However, this has the following drawbacks.
(1) The rear fixing base 22 is further used for connecting the entire linear actuator and an external member, but the strength of the rear fixing base 22 configured by combining two conventional members is subjected to stress. Is insufficient, and the rear fixing base 22 is easily damaged.

（２）二つのハーフケース２３、２４を結合してケースを構成する技術はよく見られるが、二つのハーフケース２３、２４の結合面がモータ１０の軸方向と垂直になる場合には、製造が不便になり、すなわち、組付時の操作スペースが規制され、且つ超音波溶接により二つのハーフケースを溶接するときに、重力により二つのハーフケースを緊密に接触することができず、溶接による結合の品質が低下する。 (2) A technique of combining two half cases 23 and 24 to form a case is often seen. However, if the connecting surface of the two half cases 23 and 24 is perpendicular to the axial direction of the motor 10, manufacture is possible. Is inconvenient, that is, the operation space during assembly is restricted, and when the two half cases are welded by ultrasonic welding, the two half cases cannot be brought into close contact with each other due to gravity. The quality of the bond is reduced.

（３）重力により二つのハーフケースを緊密に接触することができない問題を解決するために、ヤットコ２５により外管１８とギアボックス２１を結合する方法が採用されるが、構成が複雑になり、製造プロセスが複雑化になり、製造コストが増加する。 (3) In order to solve the problem that the two half cases cannot be brought into close contact with each other due to gravity, a method of joining the outer tube 18 and the gear box 21 with the Yatco 25 is adopted, but the configuration becomes complicated. The manufacturing process becomes complicated and the manufacturing cost increases.

本発明の主な目的は、リニアアクチュエータ全体と外部の部材の結合構造の強度が増加し、リニアアクチュエータの寿命が更に長く延び、超音波溶接により二つのハーフケースを溶接するときに、重力だけを利用すると、二つのハーフケースを緊密に接触することができ、固定子を利用せずに外管とギアボックスを結合することができ、部品の点数が減少し、製造コストを減少することができるオートロック機能付きリニアアクチュエータ用組付け装置を提供することにある。   The main object of the present invention is to increase the strength of the combined structure of the entire linear actuator and the external member, further extend the life of the linear actuator, and reduce only the gravity when welding two half cases by ultrasonic welding. When used, the two half cases can be brought into close contact with each other, the outer tube and the gear box can be coupled without using the stator, the number of parts can be reduced, and the manufacturing cost can be reduced. An object is to provide an assembly device for a linear actuator with an auto-lock function.

本発明のオートロック機能付きリニアアクチュエータ用組付け装置によると、リニアアクチュエータの伝動装置を組付けるためのものであり、ギアボックスと、リア固定台と、ケースと、外管と、連接部と、を含むオートロック機能付きリニアアクチュエータ用組付け装置において、
前記ギアボックスは、箱と、結合チェンバーと、定位チェンバーと、を有し、前記箱は、柱形状を呈し、その軸方向が前記伝動装置のモータと垂直するように前記モータと連接し、二つのハーフ箱をドッキングして構成され、前記各ハーフ箱の結合面が前記箱の軸方向と平行し、
前記結合チェンバーは、前記箱の一端面から前記箱の軸方向に沿って内側へ延び、
前記定位チェンバーは、前記箱の他端面から前記箱の軸方向に沿って内側へ所定深さに延び、その内壁面の前記箱の軸方向と直交する断面が多角形を呈し、
前記リア固定台は、一体成形されたものであり、台座と、定位リングと、軸受収容窪みと、を有し、
前記台座は、所定形状を呈し、一端が前記定位チェンバーに嵌め込まれ、
前記定位リングは、多角形を呈し、前記台座の一端の周面に位置し、前記定位チェンバーの内壁面に対向し前記定位チェンバーの内壁面と連接し、前記定位リングの多角形の角数が前記定位チェンバーの多角形の角数と同じであり、
前記軸受収容窪みは、前記台座の前記定位チェンバーに嵌め込まれる端面に凹設され、前記伝動装置のねじ軸の端部に設けられる軸受を収容し、
前記ケースは、二つのハーフケースをドッキングして構成され、前記伝動装置と前記ギアボックスと前記リア固定台の一部とを収容し、前記各ハーフケースの結合面が前記伝動装置の前記モータの出力軸の軸方向と平行し、
前記外管は、所定の長さを有し、その一端が前記結合チェンバーに嵌め込まれ、
前記連接部は、前記外管と前記箱を連接し固定するためのものであり、互いに補う突出係り体と係り穴とを有し、上記両者は前記結合チェンバーの内壁面と前記外管と、にそれぞれ設けられることを特徴とする。 According to the assembly device for a linear actuator with an auto-lock function of the present invention is for assembling a transmission device of a linear actuator, a gear box, a rear fixing base, a case, an outer tube, a connecting portion, In the assembly device for linear actuators with auto-lock function including
The gear box includes a box, a coupling chamber, and a stereotaxic chamber. The box has a columnar shape and is connected to the motor so that an axial direction thereof is perpendicular to the motor of the transmission device. It is configured by docking two half boxes, and the connecting surface of each half box is parallel to the axial direction of the box,
The coupling chamber extends inward along the axial direction of the box from one end surface of the box,
The stereotaxic chamber extends from the other end surface of the box to a predetermined depth inward along the axial direction of the box, and a cross section perpendicular to the axial direction of the inner wall of the box exhibits a polygon,
The rear fixing base is integrally molded, and has a pedestal, a stereotaxic ring, and a bearing receiving recess,
The pedestal has a predetermined shape, and one end is fitted into the stereotaxic chamber,
The localization ring has a polygonal shape, is located on a peripheral surface of one end of the pedestal, is opposed to the inner wall surface of the localization chamber, is connected to the inner wall surface of the localization chamber, and has a polygonal number of angles of the localization ring. It is the same as the polygonal number of the stereotaxic chamber,
The bearing housing recess is recessed in an end face that is fitted into the stereotaxic chamber of the pedestal, and houses a bearing provided at an end of the screw shaft of the transmission,
The case is configured by docking two half cases, and houses the transmission device, the gear box, and a part of the rear fixing base, and a coupling surface of each half case is the motor of the transmission device. Parallel to the axial direction of the output shaft,
The outer tube has a predetermined length, and one end of the outer tube is fitted into the coupling chamber.
The connecting portion is for connecting and fixing the outer tube and the box, and has a protruding engaging body and a engaging hole that complement each other, both of which are the inner wall surface of the coupling chamber and the outer tube, Are provided respectively.

本発明のオートロック機能付きリニアアクチュエータ用組付け装置によると、前記定位チェンバーと前記定位リングとは八角形を呈することを特徴とする。   According to the assembly device for a linear actuator with an auto-lock function of the present invention, the localization chamber and the localization ring are octagonal.

本発明のオートロック機能付きリニアアクチュエータ用組付け装置によると、前記係り体は、円柱形状を呈し、前記結合チェンバーの壁面に挿入し、
前記係り穴は、円形を呈し、前記外管の外周面に凹設されることを特徴とする。 According to the assembly device for a linear actuator with an auto-lock function of the present invention, the engaging body has a cylindrical shape, is inserted into the wall surface of the coupling chamber,
The engagement hole has a circular shape and is recessed in the outer peripheral surface of the outer tube.

本発明のオートロック機能付きリニアアクチュエータ用組付け装置によれば、次のような効果がある。
（１）リア固定台３２は、一体成形されたものであるため、応力を受ける強度が増加し、リニアアクチュエータの寿命が更に長く延びる。 The linear actuator assembly device with an auto-lock function of the present invention has the following effects.
(1) Since the rear fixing base 32 is integrally formed, the strength to receive stress is increased, and the life of the linear actuator is further extended.

（２）定位リング３２２と定位チェンバー３１３とは、互いに嵌合可能な八角形を呈するため、貫通孔３２５の軸方向とウォーム１１の軸方向の開角を調整することができ、これにより、リニアアクチュエータの取付が容易になる。 (2) Since the stereotaxic ring 322 and the stereotaxic chamber 313 have an octagonal shape that can be fitted to each other, the opening angle in the axial direction of the through-hole 325 and the axial direction of the worm 11 can be adjusted. Installation of the actuator becomes easy.

（３）連接部３５を使用することにより、オートロック機能付きリニアアクチュエータ用組付け装置３０は、従来のものより少ない部品点数で外管３４を固定することができる。 (3) By using the connecting portion 35, the linear actuator assembly device 30 with the auto-lock function can fix the outer tube 34 with a smaller number of parts than the conventional one.

（４）ケース３３は、従来のものと同じように、二つのハーフケース３３１、３３２をドッキングして構成されるが、本発明のハーフケース３３１、３３２の結合面はモータ１０の出力軸の軸方向と平行するため、超音波溶接により二つのハーフケース３３１、３３２を溶接するときに、二つのハーフケース３３１、３３２を緊密に接触することができ、溶接による結合の品質を向上することができる。 (4) The case 33 is configured by docking two half cases 331 and 332 as in the conventional case, but the coupling surface of the half cases 331 and 332 of the present invention is the axis of the output shaft of the motor 10. Since the two half cases 331 and 332 are welded by ultrasonic welding, the two half cases 331 and 332 can be brought into close contact with each other and the quality of the connection by welding can be improved. .

本発明のオートロック機能付きリニアアクチュエータ用組付け装置の分解斜視図である。It is a disassembled perspective view of the assembly apparatus for linear actuators with an auto-lock function of this invention. 従来のオートロック機能付きリニアアクチュエータ用組付け装置の組合状態の斜視図である。It is a perspective view of the combination state of the conventional assembly apparatus for linear actuators with an auto-lock function. 従来のオートロック機能付きリニアアクチュエータ用組付け装置の分解斜視図である。It is a disassembled perspective view of the conventional assembly apparatus for linear actuators with an auto-lock function. 本発明の一実施例のオートロック機能付きリニアアクチュエータ用組付け装置の組合状態の斜視図である。It is a perspective view of the combination state of the assembly apparatus for linear actuators with an auto-lock function of one Example of this invention. 本発明の一実施例のオートロック機能付きリニアアクチュエータ用組付け装置の分解斜視図である。It is a disassembled perspective view of the assembly apparatus for linear actuators with an auto-lock function of one Example of this invention. 図４のａ−ａ線の矢視図である。It is an arrow line view of the aa line of FIG. 図４のｂ−ｂ線の矢視図である。It is an arrow line view of the bb line of FIG.

以下、本発明の実施の形態を図面に基づいて説明する。
まず、図４乃至図７を参照する。本発明の一実施例のオートロック機能付きリニアアクチュエータ用組付け装置３０は、ギアボックス３１と、リア固定台３２と、ケース３３と、外管３４と、連接部３５と、から構成される。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
First, reference is made to FIGS. An assembly device 30 for a linear actuator with an auto-lock function according to an embodiment of the present invention includes a gear box 31, a rear fixing base 32, a case 33, an outer tube 34, and a connecting portion 35.

ギアボックス３１は、箱３１１と、結合チェンバー３１２と、定位チェンバー３１３と、を有する。箱３１１は、柱形状を呈し、二つのハーフ箱３１１１、３１１２をドッキングして構成され、各ハーフ箱３１１１、３１１２の結合面が箱３１１の軸方向と平行する。結合チェンバー３１２は、箱３１１の一端面から箱３１１の軸方向に沿って内側へ所定深さに延びる。定位チェンバー３１３は、箱３１１の他端面から箱３１１の軸方向に沿って内側へ所定深さに延び、その内壁面の箱３１１の軸方向と直交する断面が八角形を呈する。   The gear box 31 includes a box 311, a coupling chamber 312, and a localization chamber 313. The box 311 has a columnar shape and is configured by docking two half boxes 3111 and 3112, and the coupling surface of the half boxes 3111 and 3112 is parallel to the axial direction of the box 311. The coupling chamber 312 extends from the one end surface of the box 311 to a predetermined depth inward along the axial direction of the box 311. The localization chamber 313 extends from the other end surface of the box 311 to a predetermined depth inward along the axial direction of the box 311, and a cross section orthogonal to the axial direction of the box 311 on the inner wall surface thereof has an octagonal shape.

リア固定台３２は、一体成形されたものであり、台座３２１と、定位リング３２２と、軸受収容窪み３２３と、二つのラグ３２４と、貫通孔３２５とを有する。台座３２１は、所定形状を呈し、一端が定位チェンバー３１３に嵌め込まれる。定位リング３２２は、八角形を呈し、台座３２１の一端の周面に設けられ、定位チェンバー３１３の内壁面に対向し定位チェンバー３１３の内壁面と連接する。軸受収容窪み３２３は、台座３２１の一端面に凹設され、定位チェンバー３１３と連通する。二つのラグ３２４は、互いに平行し、台座３２１の他端に設けられる。貫通孔３２５は、各ラグ３２４に設けられ、その軸方向が定位リング３２２の曲率中心の延長線と垂直する。   The rear fixing base 32 is integrally formed and includes a base 321, a positioning ring 322, a bearing housing recess 323, two lugs 324, and a through hole 325. The pedestal 321 has a predetermined shape, and one end is fitted into the stereotaxic chamber 313. The localization ring 322 has an octagonal shape, is provided on the peripheral surface of one end of the pedestal 321, faces the inner wall surface of the localization chamber 313, and is connected to the inner wall surface of the localization chamber 313. The bearing housing recess 323 is recessed in one end surface of the base 321 and communicates with the localization chamber 313. The two lugs 324 are parallel to each other and provided at the other end of the pedestal 321. The through hole 325 is provided in each lug 324, and the axial direction thereof is perpendicular to the extension line of the center of curvature of the localization ring 322.

ケース３３は、二つのハーフケース３３１、３３２をドッキングして構成され、リニアアクチュエータの伝動装置のモータ１０とギアボックス３１とを収容し、各ハーフケース３３１、３３２の結合面がモータ１０の出力軸の軸方向と平行する。   The case 33 is configured by docking two half cases 331 and 332, accommodates the motor 10 and the gear box 31 of the linear actuator transmission device, and the coupling surfaces of the half cases 331 and 332 are the output shafts of the motor 10. It is parallel to the axial direction.

外管３４は、所定の長さを有し、その一端が結合チェンバー３１２に嵌め込まれる。
連接部３５は、外管３４と箱３１１を連接し固定するためのものであり、互いに補う２対の突出係り体３５１と２対の係り穴３５２とを有し、各対の突出係り体３５１が結合チェンバー３１２の内壁面の対向位置に凸設され、各係り穴３５２が外管３４の一端に凹設され、突出係り体３５１がそれぞれ係り穴３５２と係合する。 The outer tube 34 has a predetermined length, and one end thereof is fitted into the coupling chamber 312.
The connecting portion 35 is for connecting and fixing the outer tube 34 and the box 311, and has two pairs of protruding engaging members 351 and two pairs of engaging holes 352, and each pair of protruding engaging members 351. Is protruded at a position facing the inner wall surface of the coupling chamber 312, each engaging hole 352 is recessed at one end of the outer tube 34, and the projecting engaging body 351 is engaged with the engaging hole 352.

本発明のオートロック機能付きリニアアクチュエータ用組付け装置３０は、図１に示すリニアアクチュエータの伝動装置を組付けるためのものであり、その組付方法は、従来の技術と同じ、すなわち、モータ１０の出力軸の一端にギアボックス３１を設けることにより、互いに垂直に噛合う、ウォーム１１と、ウォーム歯車１２と、を収容し、同軸に結合するねじ軸１３とブッシュ１４と内管１５とを外管３４に収容し、且つねじ軸１３の一端は、定位チェンバー３１３に挿入され、軸受収容窪み３２３に設けられる軸受１７と連接し、なお、リア固定台３２は、定位チェンバー３１３の一端に嵌め込まれ、二つのハーフ箱３１１１、３１１２に挟まれて定位する。そしてケース３３によりこれらの部材を覆う。   The linear actuator assembly device 30 with an auto-lock function of the present invention is for assembling the linear actuator transmission device shown in FIG. 1, and the assembly method is the same as that of the prior art, that is, the motor 10. By providing a gear box 31 at one end of the output shaft, the worm 11 and the worm gear 12 that are vertically engaged with each other are housed, and the screw shaft 13, the bush 14, and the inner tube 15 that are coupled coaxially are externally connected. One end of the screw shaft 13 accommodated in the tube 34 is inserted into the stereotaxic chamber 313 and connected to the bearing 17 provided in the bearing housing recess 323, and the rear fixing base 32 is fitted into one end of the stereotaxic chamber 313. , And sandwiched between two half boxes 3111 and 3112. The case 33 covers these members.

１０：モータ、１１：ウォーム、１２：ウォーム歯車、１３：ねじ軸、１４：ブッシュ、１５：内管、１６：オートロック用バネ、１７：軸受、１８：外管、２０：アクチュエータ用組付け装置、２１：ギアボックス、２２：リア固定台、２３，２４：ハーフケース、２５：ヤットコ、３０：オートロック機能付きリニアアクチュエータ用組付け装置、３１：ギアボックス、３２：リア固定台、３３：ケース、３４：外管、３５：連接部、３１１：箱、３１２：結合チェンバー、３１３：定位チェンバー、３２１：台座、３２２：定位リング、３２３：軸受収容窪み、３２４：ラグ、３２５：貫通孔、３３１，３３２：ハーフケース、３５１：突出係り体、３５２：係り穴、３１１１，３１１２：ハーフ箱。 10: Motor, 11: Worm, 12: Worm gear, 13: Screw shaft, 14: Bush, 15: Inner tube, 16: Spring for auto-lock, 17: Bearing, 18: Outer tube, 20: Assembly device for actuator , 21: gear box, 22: rear fixing base, 23, 24: half case, 25: Yatco, 30: assembly device for linear actuator with auto-lock function, 31: gear box, 32: rear fixing base, 33: case 34: outer pipe, 35: connecting part, 311: box, 312: coupling chamber, 313: positioning chamber, 321: pedestal, 322: positioning ring, 323: bearing housing recess, 324: lug, 325: through hole, 331 , 332: half case, 351: protruding engagement body, 352: engagement hole, 3111, 3112: half box.

本発明は、リニアアクチュエータに適用することができる。   The present invention can be applied to a linear actuator.

Claims (3)

リニアアクチュエータの伝動装置を組付けるためのものであり、ギアボックスと、リア固定台と、ケースと、外管と、連接部と、を含むオートロック機能付きリニアアクチュエータ用組付け装置において、
前記ギアボックスは、箱と、結合チェンバーと、定位チェンバーと、を有し、
前記箱は、柱形状を呈し、その軸方向が前記伝動装置のモータと垂直になるように前記モータと連接し、二つのハーフ箱をドッキングして構成され、前記各ハーフ箱の結合面が前記箱の軸方向と平行し、
前記結合チェンバーは、前記箱の一端面から前記箱の軸方向に沿って内側へ延び、
前記定位チェンバーは、前記箱の他端面から前記箱の軸方向に沿って内側へ所定深さに延び、その内壁面の前記箱の軸方向と直交する断面が多角形を呈し、
前記リア固定台は、一体成形されたものであり、台座と、定位リングと、軸受収容窪みと、を有し、
前記台座は、所定形状を呈し、一端が前記定位チェンバーに嵌め込まれ、
前記定位リングは、多角形を呈し、前記台座の一端の周面に位置し、前記定位チェンバーの内壁面に対向し前記定位チェンバーの内壁面と連接し、前記定位リングの多角形の角数が前記定位チェンバーの多角形の角数と同じであり、
前記軸受収容窪みは、前記台座の前記定位チェンバーに嵌め込まれる端面に凹設され、前記伝動装置のねじ軸の端部に設けられる軸受を収容し、
前記ケースは、二つのハーフケースをドッキングして構成され、前記伝動装置と前記ギアボックスと前記リア固定台の一部とを収容し、前記各ハーフケースの結合面が前記伝動装置の前記モータの出力軸の軸方向に平行し、
前記外管は、所定の長さを有し、その一端が前記結合チェンバーに嵌め込まれ、
前記連接部は、前記外管と前記箱を連接し固定するためのものであり、互いに補う突出係り体と係り穴とを有し、突出係り体と係り穴の両者は、前記結合チェンバーの内壁面と前記外管とにそれぞれ設けられることを特徴とするオートロック機能付きリニアアクチュエータ用組付け装置。 For assembling a linear actuator transmission device, in an assembly device for a linear actuator with an auto-lock function, including a gear box, a rear fixing base, a case, an outer tube, and a connecting portion.
The gearbox has a box, a coupling chamber, and a stereotaxic chamber,
The box has a columnar shape, is connected to the motor so that its axial direction is perpendicular to the motor of the transmission, and is configured by docking two half boxes. Parallel to the axial direction of the box,
The coupling chamber extends inward along the axial direction of the box from one end surface of the box,
The stereotaxic chamber extends from the other end surface of the box to a predetermined depth inward along the axial direction of the box, and a cross section perpendicular to the axial direction of the inner wall of the box exhibits a polygon,
The rear fixing base is integrally molded, and has a pedestal, a stereotaxic ring, and a bearing receiving recess,
The pedestal has a predetermined shape, and one end is fitted into the stereotaxic chamber,
The localization ring has a polygonal shape, is located on a peripheral surface of one end of the pedestal, is opposed to the inner wall surface of the localization chamber, is connected to the inner wall surface of the localization chamber, and has a polygonal number of angles of the localization ring. It is the same as the polygonal number of the stereotaxic chamber,
The bearing housing recess is recessed in an end face that is fitted into the stereotaxic chamber of the pedestal, and houses a bearing provided at an end of the screw shaft of the transmission,
The case is configured by docking two half cases, and houses the transmission device, the gear box, and a part of the rear fixing base, and a coupling surface of each half case is the motor of the transmission device. Parallel to the axial direction of the output shaft,
The outer tube has a predetermined length, and one end of the outer tube is fitted into the coupling chamber.
The connecting portion is for connecting and fixing the outer tube and the box, and has a protruding engaging body and a engaging hole that complement each other, and both of the protruding engaging body and the engaging hole are provided in the coupling chamber. An assembly apparatus for a linear actuator with an auto-lock function, which is provided on a wall surface and the outer tube, respectively. 前記定位チェンバーと前記定位リングとは八角形を呈することを特徴とする請求項１に記載のオートロック機能付きリニアアクチュエータ用組付け装置。   The assembly apparatus for a linear actuator with an auto-lock function according to claim 1, wherein the localization chamber and the localization ring have an octagonal shape. 前記係り体は、円柱形状を呈し、前記結合チェンバーの壁面に挿入し、
前記係り穴は、円形を呈し、前記外管の外周面に凹設されることを特徴とする請求項１に記載のオートロック機能付きリニアアクチュエータ用組付け装置。 The engagement body has a cylindrical shape, is inserted into the wall surface of the coupling chamber,
The assembly device for a linear actuator with an auto-lock function according to claim 1, wherein the engagement hole has a circular shape and is recessed in an outer peripheral surface of the outer tube.
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