JPS6345255Y2

JPS6345255Y2 -

Info

Publication number: JPS6345255Y2
Application number: JP1983122456U
Authority: JP
Priority date: 1983-08-06
Filing date: 1983-08-06
Publication date: 1988-11-24
Also published as: JPS6030777U

Description

【考案の詳細な説明】技術分野本考案はミシンの布送り逆転装置に関するもの
である。[Detailed Description of the Invention] Technical Field The present invention relates to a cloth feed reversing device for a sewing machine.

従来技術従来、ミシンの布送り量及び布送り方向を調節
し得る送り調節器にソレノイドが作動的に連結さ
れ、その作動によつて布送り方向を変換するよう
にしたミシンの布送り逆転装置においては、前記
ソレノイドはミシン機枠背面に突設されるか、或
いは、ミシンベツド内に支承されていた。Prior Art Conventionally, in a cloth feed reversing device for a sewing machine, a solenoid is operatively connected to a feed adjuster capable of adjusting the cloth feed amount and cloth feed direction of the sewing machine, and the cloth feed direction is changed by the operation of the solenoid. In this case, the solenoid was either protruded from the back of the sewing machine frame or supported within the sewing machine bed.

このため、前者の布送り逆転装置は、ミシンの
外観を著しく損ねてしまうものであり、又、後者
のそれにおいては、前記ソレノイドと前記送り調
節器との連係に多くのリンクを介さねばならず、
構成が複雑になり、取付けが容易に行えないもの
であつた。 For this reason, the former cloth feed reversing device significantly spoils the appearance of the sewing machine, and the latter requires many links to connect the solenoid and the feed adjuster. ,
The configuration was complicated and installation was difficult.

目的本考案は上記事情に鑑みてなされたものであつ
て、その目的は、ミシンの外観を損うことなく且
つ構成簡単にして組付け容易な前記布送り逆転装
置を堤供することにある。Purpose The present invention has been made in view of the above circumstances, and its purpose is to provide the cloth feed reversing device that does not damage the appearance of the sewing machine, has a simple structure, and is easy to assemble.

解決手段上記の目的を達するために、本考案において
は、ミシン機枠の脚柱部に回動可能に支承され且
つ送り調節器に連係された逆転レバー軸に作動腕
を固着すると共に、その作動腕と相対する前記脚
柱部において開口部を設け、その開口部内に取付
け段部を形成し、前記作動腕に作動的に連結され
たプランジヤを有するソレノイドが前記脚柱部の
外周面より内部に収容されるようにそのソレノイ
ドの鍔部を前記取付け段部にネジにより取付け、
更に、前記開口部を塞ぐようにミシ機枠に蓋体を
取付けるようにしてミシンの布送り逆転装置を構
成している。Solution In order to achieve the above object, in the present invention, an operating arm is fixed to a reversing lever shaft rotatably supported on a column of a sewing machine frame and linked to a feed adjuster, and the operating arm is An opening is provided in the pedestal portion facing the arm, a mounting step is formed in the opening, and a solenoid having a plunger operatively connected to the actuating arm is disposed inwardly from the outer peripheral surface of the pedestal portion. Attach the flange of the solenoid to the mounting step with a screw so that the solenoid is accommodated;
Further, a cloth feed reversing device for the sewing machine is constructed by attaching a lid to the sewing machine frame so as to close the opening.

実施例以下、本考案を具体化した一実施例を図面に従
つて説明する。Embodiment Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings.

ミシン機枠１０の脚柱部１１には、布送り量及
び布送り方向を調節し得る送り調節器（図示せ
ず）に連係された逆転レバー軸１２が回動可能に
支承されており、その回動に伴つて布送り方向に
変換し得るようになつている。 A reversing lever shaft 12 is rotatably supported on the pillar portion 11 of the sewing machine frame 10 and is linked to a feed adjuster (not shown) that can adjust the amount and direction of cloth feed. It is designed so that it can change the direction of cloth feeding as it rotates.

その逆転レバー軸１２の前記脚柱部１１外方に
位置する一端には逆転レバー１３が前記ミシン機
枠１０前面に位置するように突設されており、
又、その逆転レバー軸１２の前記脚柱部１１内に
は、付勢腕１４及び作動腕１５が固着されてい
る。 A reversing lever 13 is protruded from one end of the reversing lever shaft 12 located outside the pillar portion 11 so as to be located in front of the sewing machine frame 10.
Further, a biasing arm 14 and an actuating arm 15 are fixed within the pillar portion 11 of the reversing lever shaft 12.

その付勢腕１４と前記ミシン機枠１０との間に
は付勢手段を構成するバネ１６が設けられてお
り、そのバネ１６が常には前記逆転レバー軸１２
を第２図における時計回り方向に付勢し前記送り
調節器が正送りを行うようにしている。 A spring 16 constituting a biasing means is provided between the biasing arm 14 and the sewing machine frame 10.
is biased in the clockwise direction in FIG. 2 so that the feed adjuster performs normal feeding.

一方、上記作動腕１５と相対する前記脚柱部１
１の背面には第一の開口１７が形成されており、
その第一の開口１７の縁には前記脚柱部１１の内
側に向つて窪んだ取付け段部１８が形成されてい
る。 On the other hand, the pillar portion 1 facing the operating arm 15
A first opening 17 is formed on the back side of 1,
At the edge of the first opening 17, a mounting step portion 18 is formed which is recessed toward the inside of the pillar portion 11.

その取付け段部１８には、ソレノイド１９がそ
の本体２０に設けられた鍔部２１を介してネジ２
２によつて固着されている。又、そのソレノイド
１９は、前記作動腕１５に対し、その溝部２３中
に摺動自在に嵌合された嵌合部２４が形成された
プランジヤ２５を有しており、そのソレノイド１
９の作動によつて前記逆転レバー軸１２を前記バ
ネ１６に抗して第２図における反時計方向に回動
し前記送り調節器が逆送りを行うようにしてい
る。 A solenoid 19 is attached to the mounting step 18 by a screw 2 via a flange 21 provided on the main body 20.
It is fixed by 2. Further, the solenoid 19 has a plunger 25 formed with a fitting part 24 that is slidably fitted in a groove part 23 of the operating arm 15.
9 causes the reversing lever shaft 12 to rotate counterclockwise in FIG. 2 against the spring 16, so that the feed adjuster performs reverse feeding.

又、前記第一の開口１７の上方の前記ミシン機
枠１０には、上軸及びそれに設けられた上下送り
カム、水平送りカム等を含む運動機構部分（何れ
も図示せず）の組付け及び注油を容易にするため
の第二の開口２６が形成されている。 Further, on the sewing machine frame 10 above the first opening 17, a movement mechanism part (none of which is shown) including an upper shaft, a vertical feed cam, a horizontal feed cam, etc. provided thereon is assembled. A second opening 26 is formed to facilitate lubrication.

そして、前記第一の開口１７、取付け段部１８
及び第二の開口２６の周囲の前記ミシン機枠１０
外面にはフランジ部２７が突設されており、これ
によつて、第２図から明らかなように、前記ソレ
ノイドは、前記ミシン機枠１０の脚柱部１１の外
周面内に収容され得るようになつている。 The first opening 17 and the mounting step 18
and the sewing machine frame 10 around the second opening 26
A flange portion 27 is provided on the outer surface of the sewing machine frame 10 so that the solenoid can be accommodated within the outer peripheral surface of the column 11 of the sewing machine frame 10, as is clear from FIG. It's getting old.

そのフランジ部２７には、それと略同じ形状を
有するパツキン２８を介し、一枚の平板からなる
蓋体２９が螺着されており、前記第一の開口１
７、取付け段部１８及び第二の開口２６を塞いで
いる。 A lid body 29 made of a single flat plate is screwed onto the flange portion 27 via a packing 28 having substantially the same shape as the first opening 1.
7. The mounting step 18 and the second opening 26 are closed.

上記実施例においては、一枚の蓋体２９でもつ
て、第一の開口１７、取付け段部１８及び第二の
開口２６を塞ぐようにしたから、それら開口１
７，２６をそれぞれ独立した蓋体で塞ぐ場合に比
べ、その構成を簡単になし得るものである。 In the above embodiment, since the first opening 17, the mounting step 18, and the second opening 26 are closed with one lid 29, these openings 1
Compared to the case where 7 and 26 are closed with independent lid bodies, the structure can be made simpler.

効果以上詳述したように、本考案においては、送り
調節器が逆送りを行うようにするためのソレノイ
ド１９をミシン機枠１０脚柱部１１の外周面より
内部に位置するようにしたから、ミシンの外観が
損われることはない。又、逆転レバー軸１２に作
動腕１５を固着し、その作動腕１５に相対する位
置に前記ソレノイド１９を配置し両者を連結した
から、部品点数が減り、構成が簡単になし得るも
のである。更に、前記ソレノイド１９の鍔部２１
を開口部１７内の取付け段部１８にネジ２２によ
り固定するようにしたから、ソレノイド１９の組
付け作業を開口部１７を介してミシン機枠１０の
外方から容易に行うことができる。Effects As detailed above, in the present invention, the solenoid 19 for causing the feed adjuster to reverse feed is located inside the outer circumferential surface of the sewing machine frame 10 leg column 11. , the appearance of the sewing machine is not impaired. Further, since the actuating arm 15 is fixed to the reversing lever shaft 12 and the solenoid 19 is arranged at a position opposite to the actuating arm 15 to connect the two, the number of parts can be reduced and the structure can be simplified. Furthermore, the flange portion 21 of the solenoid 19
Since the solenoid 19 is fixed to the mounting step 18 in the opening 17 with the screw 22, the solenoid 19 can be easily assembled from outside the sewing machine frame 10 through the opening 17.

[Brief explanation of drawings]

図面は本考案の一実施例を示すものであつて、
第１図は一部を破断して示す背面図であつて、第
２図は第１図におけるＡ−Ａ線断面図である。尚、図中１０はミシン機枠、１１は脚柱部、１
２は逆転レバー軸、１５は作動腕、１６は付勢手
段を構成するバネ、１７は第一の開口、１８は取
付け段部、１９はソレノイド、２１は鍔部、２５
はプランジヤ、２９は蓋体である。 The drawings show one embodiment of the present invention,
FIG. 1 is a partially cutaway rear view, and FIG. 2 is a sectional view taken along the line A--A in FIG. 1. In addition, in the figure, 10 is the sewing machine frame, 11 is the pillar part, 1
2 is a reversing lever shaft, 15 is an operating arm, 16 is a spring constituting a biasing means, 17 is a first opening, 18 is a mounting step, 19 is a solenoid, 21 is a collar, 25
is a plunger, and 29 is a lid body.

Claims

[Claims for Utility Model Registration] A reversing lever shaft 12 rotatably supported by a pillar portion 11 of a sewing machine frame 10 and linked to an adjuster capable of adjusting the amount and direction of cloth feed; The reversing lever shaft 12 is fixed to the reversing lever shaft 12, and is provided with a rotational force in one direction based on a biasing means 16 that always biases the feed adjuster in the forward direction. operating arm 15
an opening 17 formed in the pillar portion 11 facing the operating arm 15; and a mounting step 18 formed within the opening 17.
a solenoid main body 20 having a flange 21 attached to the mounting step 18; and a solenoid main body 20 operatively connected to the operating arm 15 to rotate the reversing lever shaft 12 against the action of the biasing means 16. a solenoid 19 that includes a plunger 25 and is housed so as to be located inside the outer peripheral surface of the pillar section 11 as a whole; a screw 22 for fixing the collar section 21 to the mounting step section 18; A cloth feed reversing device for a sewing machine is comprised of a lid 29 attached to a sewing machine frame 10 so as to close an opening 17.