JP4914810B2 - Scissor gear assembly method and meshing assembly jig - Google Patents

Scissor gear assembly method and meshing assembly jig Download PDF

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JP4914810B2
JP4914810B2 JP2007301753A JP2007301753A JP4914810B2 JP 4914810 B2 JP4914810 B2 JP 4914810B2 JP 2007301753 A JP2007301753 A JP 2007301753A JP 2007301753 A JP2007301753 A JP 2007301753A JP 4914810 B2 JP4914810 B2 JP 4914810B2
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gear
meshing
external teeth
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main gear
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JP2009127703A (en
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忠嗣 高田
邦雄 白川
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Honda Motor Co Ltd
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本発明は、シザース歯車の組立方法及び噛み合い組付治具に関し、特に、外歯車によるシザース歯車の組立方法及び噛み合い組付治具に関する。   The present invention relates to a method for assembling a scissor gear and a meshing assembly jig, and more particularly to a method for assembling a scissor gear using an external gear and a meshing assembly jig.

外歯車によるシザース歯車（セラシ歯車）は、外歯を有するメイン歯車と、メイン歯車と同じ歯数の外歯を有しメイン歯車に隣接配置されたサブ歯車とを有し、メイン歯車とサブ歯車との間に組み込まれたばね手段によってメイン歯車とサブ歯車とが相対的に回転方向に付勢され、前記メイン歯車とサブ歯車の双方の外歯で噛合相手の歯車の外歯を挟み込むようにして歯車噛合を行うことにより、歯車噛み合いにおけるバックラッシを解消するものである（例えば、特許文献１、２参照）。
特開２００２−９８２２０号公報 特開２００６−７７７８６号公報 A scissor gear (seal gear) by an external gear has a main gear having external teeth and a sub gear having the same number of external teeth as the main gear and disposed adjacent to the main gear. The main gear and the sub gear The main gear and the sub gear are relatively urged in the rotational direction by the spring means incorporated between them, and the external teeth of the meshing counterpart gear are sandwiched between the external teeth of both the main gear and the sub gear. By performing gear meshing, backlash in gear meshing is eliminated (see, for example, Patent Documents 1 and 2).
JP 2002-98220 A JP 2006-77786 A

シザース歯車の組立は、メイン歯車とサブ歯車とに、ばね手段によって回転方向のばね荷重を与え、メイン歯車の外歯とサブ歯車の外歯との位相を一致させた状態で、その双方の外歯に、噛合相手の歯車の外歯を噛み合わせなくてはならず、組立作業が面倒である。   The assembly of the scissor gear is performed by applying a spring load in the rotational direction to the main gear and the sub gear by the spring means, and the phases of the external teeth of the main gear and the external teeth of the sub gear are matched. The external teeth of the gears to be engaged must be engaged with the teeth, and the assembly work is troublesome.

本発明が解決しようとする課題は、シザース歯車の組立を、簡便に、能率よく行えるようにすることである。   The problem to be solved by the present invention is to enable easy and efficient assembly of scissor gears.

本発明によるシザース歯車の組立方法は、外歯を有するメイン歯車と、前記メイン歯車と同じ歯数の外歯を有するサブ歯車とがばね手段によって相対的に回転方向に付勢され、前記メイン歯車とサブ歯車の双方の外歯に噛合相手の歯車の外歯が噛み合うシザース歯車の組立方法であって、下記（１）〜（８）の工程を有する。
（１）軸体を固定された組付基台の前記軸体に、前記メイン歯車を回り止め嵌合させる第１の工程。
（２）前記メイン歯車に対して前記サブ歯車を回転可能に組み付け、前記メイン歯車と前記サブ歯車との間に前記ばね手段を組み付ける第２の工程。
（３）前記メイン歯車と前記サブ歯車の外歯とに噛み合い可能な内歯を形成された中心孔と、当該中心孔の一部に切り欠く形態で当該中心孔に連続し前記噛合相手の歯車を収容する噛合相手歯車収容空間部とを有する噛み合い組付治具の前記内歯に前記サブ歯車の外歯を噛み合わせる第３の工程。
（４）前記噛み合い組付治具を前記中心孔の軸線周りに所定量回転変位させて前記サブ歯車を前記ばね手段のばね力に抗して前記メイン歯車に対して所定量回転変位させ、前記ばね手段にばね荷重を与えると共に前記メイン歯車の外歯と前記サブ歯車の外歯との位相を一致させる第４の工程。
（５）前記メイン歯車の外歯と前記サブ歯車の外歯との位相を一致させた状態で、前記噛み合い組付治具の前記内歯に前記サブ歯車の外歯に加えて前記メイン歯車の外歯を噛み合わせる第５の工程。
（６）前記メイン歯車と前記サブ歯車と前記噛み合い組付治具との噛合体を組付基台より取り外し、前記メイン歯車と前記サブ歯車を組付対象（製品）の軸部材に組み付ける第６の工程。
（７）前記噛み合い組付治具の前記噛合相手歯車収容空間部に噛合相手歯車を入れ、当該噛合相手歯車を組付対象（製品）の軸部材に組み付けると共に当該噛合相手歯車の外歯を前記メイン歯車の外歯と前記サブ歯車の外歯とに噛合させる第７の工程。
（８）前記噛み合い組付治具を、前記メイン歯車、前記サブ歯車および前記噛合相手歯車より取り外す第８の工程。 The scissors gear assembly method according to the present invention is such that a main gear having external teeth and a sub gear having external teeth having the same number of teeth as the main gear are relatively urged in a rotational direction by a spring means. A scissor gear assembling method in which the external teeth of the meshing gear are engaged with the external teeth of both the auxiliary gear and the sub gear, and includes the following steps (1) to (8).
(1) A first step of fitting the main gear to the shaft body of the assembly base to which the shaft body is fixed.
(2) A second step of assembling the sub gear rotatably with respect to the main gear, and assembling the spring means between the main gear and the sub gear.
(3) A central hole formed with internal teeth that can mesh with the external teeth of the main gear and the sub gear, and a gear that meshes with the mating counterpart in a form notched in a part of the central hole. A third step of meshing the external teeth of the sub gear with the internal teeth of the meshing assembly jig having a meshing mating gear housing space for housing the gear.
(4) The meshing jig is rotationally displaced by a predetermined amount around the axis of the center hole, and the sub gear is rotationally displaced by a predetermined amount with respect to the main gear against the spring force of the spring means, A fourth step of applying a spring load to the spring means and matching the phases of the external teeth of the main gear and the external teeth of the sub gear.
(5) In a state where the phases of the external teeth of the main gear and the external teeth of the sub gear coincide with each other, in addition to the external teeth of the sub gear, the internal teeth of the meshing assembly jig A fifth step of engaging external teeth.
(6) A sixth assembly in which the meshing body of the main gear, the sub gear, and the meshing assembly jig is removed from the assembly base, and the main gear and the sub gear are assembled to the shaft member to be assembled (product). Process.
(7) A meshing mating gear is inserted into the meshing mating gear housing space of the meshing assembling jig, the mating mating gear is assembled to the shaft member of the assembly target (product), and the external teeth of the meshing mating gear are A seventh step of meshing with the external teeth of the main gear and the external teeth of the sub gear;
(8) An eighth step of removing the meshing assembly jig from the main gear, the sub gear, and the meshing gear.

本発明による噛み合い組付治具は、外歯を有するメイン歯車と、前記メイン歯車と同じ歯数の外歯を有するサブ歯車とがばね手段によって相対的に回転方向に付勢され、前記メイン歯車とサブ歯車の双方の外歯に噛合相手の歯車の外歯が噛み合うシザース歯車の組立に用いられる噛み合い組付治具であって、前記メイン歯車と前記サブ歯車の外歯とに噛み合い可能な内歯を形成された中心孔と、当該中心孔の一部に切り欠く形態で当該中心孔に連続し前記噛合相手の歯車を収容する噛合相手歯車収容空間部とを有する。 The meshing assembly jig according to the present invention is such that a main gear having external teeth and a sub gear having external teeth having the same number of teeth as the main gear are relatively urged in a rotational direction by a spring means. inner and an sub gear both external teeth to mesh with mating meshing assembling jig used for assembling the scissors gear external teeth meshing of gears, which can mesh with the external teeth of the said main gear sub gear A center hole formed with teeth, and a meshing gear receiving space portion that is continuous with the center hole and accommodates the gear of the meshing partner in a form notched in a part of the center hole.

本発明によるシザース歯車の組立方法によれば、噛み合い組付治具によってサブ歯車をばね手段のばね力に抗してメイン歯車に対して所定量回転変位させることにより、メイン歯車とサブ歯車との間に回転方向の規定のばね荷重を与えることができ、それと同時にメイン歯車の外歯とサブ歯車の外歯との位相を一致させることができ、噛み合い組付治具の内歯に、サブ歯車の外歯に加えて、メイン歯車の外歯を噛み合わせることによってメイン歯車の外歯とサブ歯車の外歯との位相が一致した状態が保たれるので、噛合相手の歯車の外歯を簡単にメイン歯車とサブ歯車の双方の外歯に噛み合わさせることができる。これにより、シザース歯車の組立を、簡便に、能率よく行えるようになる。   According to the method of assembling the scissor gear according to the present invention, the sub-gear is rotated and displaced by a predetermined amount with respect to the main gear against the spring force of the spring means by the meshing assembly jig. A prescribed spring load in the rotational direction can be applied between them, and at the same time, the phase of the external teeth of the main gear and the external teeth of the sub gear can be matched. In addition to the external teeth of the main gear, by engaging the external teeth of the main gear, the phase of the external teeth of the main gear and the external teeth of the sub gear is kept in sync. Can be meshed with the external teeth of both the main gear and the sub gear. As a result, the assembly of the scissor gear can be performed simply and efficiently.

まず、本発明によるシザース歯車の組立方法の対象となる外歯車によるシザース歯車の構造について図１を参照して説明する。   First, the structure of the scissor gear by the external gear which is the object of the method of assembling the scissor gear according to the present invention will be described with reference to FIG.

シザース歯車は、外歯１１を有するメイン歯車１０と、メイン歯車１０と同じ歯形、同じ歯数の外歯２１を有しメイン歯車１０の軸線方向の側部に同心に隣接配置されるサブ歯車２０と、捩りばね３０とを有する。   The scissor gear has a main gear 10 having external teeth 11, an external tooth 21 having the same tooth shape and the same number of teeth as the main gear 10, and a sub gear 20 disposed concentrically adjacent to the side of the main gear 10 in the axial direction. And a torsion spring 30.

捩りばね３０は、Ｃ形の板ばねであり、一端３１にてメイン歯車１０のボス部１４の外周に形成されたキー状突起１２に係合し、他端３２にてサブ歯車２０の中心孔２３の内周面に形成されたキー状突起２２に係合する。そして、捩りばね３０は、メイン歯車１０とサブ歯車２０とが相対的に所定量回転変位されることにより、図１では、サブ歯車２２がメイン歯車１０に対して反時計廻り方向に所定量回転変位されることにより、メイン歯車１０とサブ歯車２０とを回転方向に相対的にばね付勢する。これにより、メイン歯車１０とサブ歯車２０との間に、回転方向の規定のばね荷重が与えられる。   The torsion spring 30 is a C-shaped leaf spring, and engages with the key-shaped protrusion 12 formed on the outer periphery of the boss portion 14 of the main gear 10 at one end 31, and the center hole of the sub gear 20 at the other end 32. It engages with a key-like protrusion 22 formed on the inner peripheral surface of 23. The torsion spring 30 is rotated by a predetermined amount relative to the main gear 10 and the sub gear 20, whereby the sub gear 22 rotates a predetermined amount counterclockwise with respect to the main gear 10 in FIG. 1. By being displaced, the main gear 10 and the sub gear 20 are spring-biased relatively in the rotational direction. As a result, a prescribed spring load in the rotational direction is applied between the main gear 10 and the sub gear 20.

噛合相手の歯車４０は、外歯４１がメイン歯車１０の外歯１１とサブ歯車２０の外歯２１の双方に噛合する。   In the meshing gear 40, the external teeth 41 mesh with both the external teeth 11 of the main gear 10 and the external teeth 21 of the sub gear 20.

次に、本発明によるシザース歯車の組立方法の一つの実施形態を、図２〜図９を参照して説明する。   Next, one embodiment of a method for assembling a scissor gear according to the present invention will be described with reference to FIGS.

本実施形態によるシザース歯車の組立方法では、治具として、組付基台５０（図２参照）と、噛み合い組付治具６０（図４参照）とを準備する。   In the scissor gear assembly method according to the present embodiment, an assembly base 50 (see FIG. 2) and a meshing assembly jig 60 (see FIG. 4) are prepared as jigs.

組付基台５０は、図２に示されているように、外周面にメイン歯車１０の中心孔１３のセレーション（スプライン）１３Ａと係合するセレーション５１Ａを形成された軸体５１を、台上に固定立設されたものである。   As shown in FIG. 2, the assembling base 50 includes a shaft 51 having a serration 51A formed on the outer peripheral surface thereof that engages with a serration (spline) 13A of the center hole 13 of the main gear 10. It is fixed upright.

噛み合い組付治具６０は、図４に示されているように、内周面にメイン歯車１０及びサブ歯車２０の外歯１１、１２と同一歯形、同一歯数（但し、後述する噛合相手歯車収容空間部６３が切り欠かれていない状態での歯数）で、外歯１１、１２と噛み合い可能な内歯６２を形成された中心孔６１と、中心孔６１の一部に切り欠く形態で中心孔６１に連続し噛合相手の歯車４０を収容する噛合相手歯車収容空間部６３とを有する円盤状のものである。噛合相手歯車収容空間部６３は、本実施形態のものでは、中心孔６１の軸心周りに等間隔に、３個設けられている。 As shown in FIG. 4, the mesh assembly jig 60 has the same tooth shape and the same number of teeth as the external teeth 11 and 12 of the main gear 10 and the sub gear 20 on the inner peripheral surface (however, the meshing mating gear described later) A center hole 61 formed with inner teeth 62 that can mesh with the outer teeth 11, 12, and a form cut out in a part of the center hole 61. It is a disk-like thing which has the meshing gear accommodation space | interval space 63 which accommodates the gear 40 of a meshing partner which continues in the center hole 61. In the present embodiment, three meshing gear housing spaces 63 are provided at equal intervals around the center of the center hole 61.

（１）まず、図２、図３に示されているように、組付基台５０の軸体５１に、メイン歯車１０の中心孔１３を嵌合させ、中心孔１３のセレーション１３Ａと軸体５１のセレーション５１Ａとを係合させる。これにより、メイン歯車１０が軸体５１に回り止め嵌合する（第１の工程）。   (1) First, as shown in FIGS. 2 and 3, the center hole 13 of the main gear 10 is fitted to the shaft body 51 of the assembly base 50, and the serration 13 </ b> A of the center hole 13 and the shaft body are fitted. 51 serrations 51A are engaged. As a result, the main gear 10 is fitted to the shaft body 51 to prevent rotation (first process).

（２）つぎに、図３、図４に示されているように、メイン歯車１０のボス部１４にサブ歯車２０の中心孔２３を回転可能に嵌合させ、メイン歯車１０とサブ歯車２０とに捩りばね３０を組み付ける。この捩りばね３０の組み付けは、捩りばね３０の一端３１をメイン歯車１０のキー状突起１２（図１参照）に係合させ、捩りばね３０の他端３２にサブ歯車２０のキー状突起２２に係合させる作業である（第２の工程）。   (2) Next, as shown in FIGS. 3 and 4, the center hole 23 of the sub gear 20 is rotatably fitted to the boss portion 14 of the main gear 10, and the main gear 10, the sub gear 20, The torsion spring 30 is assembled to The torsion spring 30 is assembled by engaging one end 31 of the torsion spring 30 with the key-like protrusion 12 (see FIG. 1) of the main gear 10 and the other end 32 of the torsion spring 30 with the key-like protrusion 22 of the sub gear 20. This is the work of engaging (second step).

（３）つぎに、図４、図５に示されているように、噛み合い組付治具６０の中心孔６１の内歯６２に、サブ歯車２０の外歯２１を噛み合わせる（第３の工程）。   (3) Next, as shown in FIGS. 4 and 5, the outer teeth 21 of the sub gear 20 are engaged with the inner teeth 62 of the center hole 61 of the engagement assembly jig 60 (third step). ).

（４）つぎに、図６に示されているように、噛み合い組付治具６０を中心孔６１の中心軸線周りに所定量回転変位させてサブ歯車２０を捩りばね３０（図１２参照）のばね力に抗してメイン歯車１０に対して所定量回転変位させる。これにより、捩りばね３０に規定量のばね荷重を与えられると共に、メイン歯車１０の外歯１１とサブ歯車２０の外歯１１との位相が一致する（第４の工程）。   (4) Next, as shown in FIG. 6, the meshing jig 60 is rotationally displaced by a predetermined amount around the central axis of the center hole 61, and the sub gear 20 is moved to the torsion spring 30 (see FIG. 12). The main gear 10 is rotationally displaced by a predetermined amount against the spring force. As a result, a predetermined amount of spring load is applied to the torsion spring 30 and the phases of the external teeth 11 of the main gear 10 and the external teeth 11 of the sub gear 20 coincide (fourth step).

この噛み合い組付治具６０の回転は、ボルト６５等によって噛み合い組付治具６０に取り付けられたハンドルバー６６によって手操作で行うことができる。   The mesh assembly jig 60 can be rotated manually by a handle bar 66 attached to the mesh assembly jig 60 with a bolt 65 or the like.

（５）つぎに、図６に示されているように、メイン歯車１０の外歯１１とサブ歯車２０の外歯２１との位相を一致させた（４）の状態下で、噛み合い組付治具６０を落とし込み、噛み合い組付治具６０の内歯６１にサブ歯車２０の外歯２１に加えてメイン歯車１０の外歯１１を噛み合わせる（第５の工程）。   (5) Next, as shown in FIG. 6, the mesh assembly repair is performed under the state of (4) in which the phases of the external teeth 11 of the main gear 10 and the external teeth 21 of the sub gear 20 are matched. The tool 60 is dropped, and the external teeth 11 of the main gear 10 are meshed with the internal teeth 61 of the meshing assembly jig 60 in addition to the external teeth 21 of the sub gear 20 (fifth step).

（６）つぎに、図７に示されているように、メイン歯車１０とサブ歯車２０と噛み合い組付治具６０との噛合体を組付基台５０より取り外し、これを上下反転させて、メイン歯車１０、サブ歯車２０の中心孔１３、２３をシザース歯車組付対象（製品）の正規の軸部材１０１に嵌合させ、メイン歯車１０、サブ歯車２０を製品に組み付ける（第６の工程）。   (6) Next, as shown in FIG. 7, the meshing body of the main gear 10, the sub gear 20, and the meshing assembly jig 60 is removed from the assembly base 50, and this is turned upside down, The center holes 13 and 23 of the main gear 10 and the sub gear 20 are fitted to the regular shaft member 101 to be assembled (product), and the main gear 10 and the sub gear 20 are assembled to the product (sixth step). .

（７）つぎに、図８に示されているように、噛み合い組付治具６０の噛合相手歯車収容空間部６３の各々に噛合相手歯車４０を入れ、噛合相手歯車４０の中心孔４２を組付対象（製品）の正規の軸部材１０２に嵌合させ、噛合相手歯車４０を製品に組み付けると共に、噛合相手歯車４０の外歯４１をメイン歯車１０の外歯１１とサブ歯車２０の外歯２１の双方に同時に噛合させる（第７の工程）。   (7) Next, as shown in FIG. 8, the meshing gear 40 is inserted into each of the meshing gear housing spaces 63 of the meshing assembly jig 60, and the center hole 42 of the meshing gear 40 is assembled. It is fitted to a regular shaft member 102 to be attached (product), the meshing gear 40 is assembled to the product, and the external teeth 41 of the meshing gear 40 are connected to the external teeth 11 of the main gear 10 and the external teeth 21 of the sub gear 20. Are engaged at the same time (seventh step).

（８）つぎに、図９に示されているように、噛み合い組付治具６０を、メイン歯車１０、ブ歯車２０及び噛合相手歯車４０より取り外す（第８の工程）。これにより、シザース歯車の組立が完了する。   (8) Next, as shown in FIG. 9, the meshing assembly jig 60 is removed from the main gear 10, the gear 20 and the meshing gear 40 (eighth step). Thereby, the assembly of the scissor gear is completed.

上述したように、本実施形態によるシザース歯車の組立方法によれば、噛み合い組付治具６０によってサブ歯車２０を捩りばね３０のばね力に抗してメイン歯車１０に対して所定量回転変位させることにより、メイン歯車１０とサブ歯車２０との間に回転方向の規定のばね荷重を与えることができ、それと同時にメイン歯車１０の外歯１１とサブ歯車２０の外歯１１との位相を一致させることができ、噛み合い組付治具６０の内歯６２にサブ歯車２０の外歯２１に加えてメイン歯車１０の外歯１１を噛み合わせることによってメイン歯車１０の外歯１１とサブ歯車２０の外歯２１との位相が一致した状態を難なく維持することができる。   As described above, according to the scissor gear assembly method according to the present embodiment, the sub gear 20 is rotationally displaced by a predetermined amount with respect to the main gear 10 against the spring force of the torsion spring 30 by the meshing assembly jig 60. Thus, a prescribed spring load in the rotational direction can be applied between the main gear 10 and the sub gear 20, and at the same time, the phases of the external teeth 11 of the main gear 10 and the external teeth 11 of the sub gear 20 are matched. By engaging the external teeth 11 of the main gear 10 in addition to the external teeth 21 of the sub gear 20 with the internal teeth 62 of the meshing assembly jig 60, The state in which the phase with the tooth 21 is matched can be maintained without difficulty.

このように、位相が一致した状態では、メイン歯車１０の外歯１１とサブ歯車２０の外歯２１の双方に、噛合相手の歯車４０の外歯４１を、簡単に噛み合わさせることができる。これにより、シザース歯車の組立を、簡便に、能率よく行えるようになる。   In this way, in a state where the phases are in agreement, the external teeth 41 of the meshing gear 40 can be easily meshed with both the external teeth 11 of the main gear 10 and the external teeth 21 of the sub gear 20. As a result, the assembly of the scissor gear can be performed simply and efficiently.

本発明によるシザース歯車の組立方法の対象となる外歯車によるシザース歯車の構造を示す分解斜視図である。It is a disassembled perspective view which shows the structure of the scissors gear by the external gear used as the object of the assembly method of the scissors gear by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第１の工程を示す斜視図である。It is a perspective view which shows the 1st process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第２の工程を示す斜視図である。It is a perspective view which shows the 2nd process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第３の工程を示す斜視図である。It is a perspective view which shows the 3rd process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第４の工程を示す斜視図である。It is a perspective view which shows the 4th process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第５の工程を示す斜視図である。It is a perspective view which shows the 5th process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第６の工程を示す斜視図である。It is a perspective view which shows the 6th process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第７の工程を示す斜視図である。It is a perspective view which shows the 7th process of one Embodiment of the assembly method of the scissors gearwheel by this invention. 本発明によるシザース歯車の組立方法の一つの実施形態の第８の工程を示す斜視図である。It is a perspective view which shows the 8th process of one Embodiment of the assembly method of the scissors gearwheel by this invention.

符号の説明Explanation of symbols

１０ メイン歯車
１１ 外歯
２０ サブ歯車
２１ 外歯
３０ 捩りばね
４０ 噛合相手の歯車
４１ 外歯
５０ 組付基台
５１ 軸体
６０ 噛み合い組付治具
６１ 中心孔
６２ 内歯
６３ 噛合相手歯車収容空間部 DESCRIPTION OF SYMBOLS 10 Main gear 11 External tooth 20 Sub gear 21 External tooth 30 Torsion spring 40 Engagement gear 41 External tooth 50 Assembly base 51 Shaft body 60 Engagement assembly jig 61 Center hole 62 Internal tooth 63 Engagement partner gear accommodation space part

Claims (2)

外歯を有するメイン歯車と、前記メイン歯車と同じ歯数の外歯を有するサブ歯車とがばね手段によって相対的に回転方向に付勢され、前記メイン歯車とサブ歯車の双方の外歯に噛合相手の歯車の外歯が噛み合うシザース歯車の組立方法であって、
軸体を固定された組付基台の前記軸体に、前記メイン歯車を回り止め嵌合させる第１の工程と、
前記メイン歯車に対して前記サブ歯車を回転可能に組み付け、前記メイン歯車と前記サブ歯車との間に前記ばね手段を組み付ける第２の工程と、
前記メイン歯車と前記サブ歯車の外歯と噛み合い可能な内歯を形成された中心孔と、当該中心孔の一部に切り欠く形態で当該中心孔に連続し前記噛合相手の歯車を収容する噛合相手歯車収容空間部とを有する噛み合い組付治具の前記内歯に前記サブ歯車の外歯を噛み合わせる第３の工程と、
前記噛み合い組付治具を前記中心孔の軸線周りに所定量回転変位させて前記サブ歯車を前記ばね手段のばね力に抗して前記メイン歯車に対して所定量回転変位させ、前記ばね手段にばね荷重を与えると共に前記メイン歯車の外歯と前記サブ歯車の外歯との位相を一致させる第４の工程と、
前記メイン歯車の外歯と前記サブ歯車の外歯との位相を一致させた状態で、前記噛み合い組付治具の前記内歯に前記サブ歯車の外歯に加えて前記メイン歯車の外歯を噛み合わせる第５の工程と、
前記メイン歯車と前記サブ歯車と前記噛み合い組付治具との噛合体を組付基台より取り外し、前記メイン歯車と前記サブ歯車を組付対象の軸部材に組み付ける第６の工程と、
前記噛み合い組付治具の前記噛合相手歯車収容空間部に噛合相手歯車を入れ、当該噛合相手歯車を組付対象の軸部材に組み付けると共に当該噛合相手歯車の外歯を前記メイン歯車の外歯と前記サブ歯車の外歯とに噛合させる第７の工程と、
前記噛み合い組付治具を、前記メイン歯車、前記サブ歯車及び前記噛合相手歯車より取り外す第８の工程と、
を有するシザース歯車の組立方法。 A main gear having external teeth and a sub gear having the same number of external teeth as the main gear are relatively biased in the rotational direction by the spring means, and mesh with the external teeth of both the main gear and the sub gear. A method of assembling a scissor gear that meshes with the external teeth of the other gear,
A first step of locking the main gear to the shaft body of the assembly base to which the shaft body is fixed;
A second step of assembling the sub gear rotatably with respect to the main gear, and assembling the spring means between the main gear and the sub gear;
A center hole formed with inner teeth that can mesh with the outer teeth of the main gear and the sub gear, and a mesh that is continuous with the center hole and accommodates the meshing gear in a form cut out in a part of the center hole. A third step of meshing the external teeth of the sub gear with the internal teeth of a meshing assembly jig having a mating gear housing space;
The meshing jig is rotated and displaced by a predetermined amount around the axis of the center hole, and the sub gear is rotated and displaced by a predetermined amount with respect to the main gear against the spring force of the spring means. A fourth step of applying a spring load and matching the phases of the external teeth of the main gear and the external teeth of the sub gear;
In a state where the phases of the external teeth of the main gear and the external teeth of the sub gear match, the external teeth of the main gear are added to the internal teeth of the meshing assembly jig in addition to the external teeth of the sub gear. A fifth step of meshing;
A sixth step of removing the meshing body of the main gear, the sub-gear, and the meshing assembly jig from the assembly base, and assembling the main gear and the sub-gear to a shaft member to be assembled;
The meshing mating gear is inserted into the meshing mating gear housing space of the meshing assembling jig, the mating mating gear is assembled to the shaft member to be assembled, and the external teeth of the mating mating gear are connected to the external teeth of the main gear. A seventh step of meshing with the external teeth of the sub gear;
An eighth step of removing the meshing assembly jig from the main gear, the sub gear and the meshing counterpart gear;
A method for assembling a scissor gear. 外歯を有するメイン歯車と、前記メイン歯車と同じ歯数の外歯を有するサブ歯車とがばね手段によって相対的に回転方向に付勢され、前記メイン歯車とサブ歯車の双方の外歯に噛合相手の歯車の外歯が噛み合うシザース歯車の組立に用いられる噛み合い組付治具であって、
前記メイン歯車と前記サブ歯車の外歯と噛み合い可能な内歯を形成された中心孔と、当該中心孔の一部に切り欠く形態で当該中心孔に連続し前記噛合相手の歯車を収容する噛合相手歯車収容空間部とを有する噛み合い組付治具 A main gear having external teeth and a sub gear having the same number of external teeth as the main gear are relatively biased in the rotational direction by the spring means, and mesh with the external teeth of both the main gear and the sub gear. A meshing assembly jig used for assembling a scissor gear that meshes with the external teeth of the other gear,
A center hole formed with inner teeth that can mesh with the outer teeth of the main gear and the sub gear, and a mesh that is continuous with the center hole and accommodates the meshing gear in a form cut out in a part of the center hole. Mating assembly jig having mating gear housing space
JP2007301753A 2007-11-21 2007-11-21 Scissor gear assembly method and meshing assembly jig Expired - Fee Related JP4914810B2 (en)

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JPS60237262A (en) * 1984-05-11 1985-11-26 Toyota Motor Corp Scissors gear
JPH05212681A (en) * 1992-02-03 1993-08-24 Daihatsu Motor Co Ltd Tooth trace aligning jig of scissors gear
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