JPH0616611Y2 - Bobbin winder for sewing machine - Google Patents
Bobbin winder for sewing machineInfo
- Publication number
- JPH0616611Y2 JPH0616611Y2 JP3527187U JP3527187U JPH0616611Y2 JP H0616611 Y2 JPH0616611 Y2 JP H0616611Y2 JP 3527187 U JP3527187 U JP 3527187U JP 3527187 U JP3527187 U JP 3527187U JP H0616611 Y2 JPH0616611 Y2 JP H0616611Y2
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- shaft
- sewing machine
- winding
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Description
【考案の詳細な説明】 〔考案の目的〕 （産業上の利用分野） 本考案はミシンの下糸巻装置に関し、特に、下糸用ボビ
ンに巻回される下糸の巻き具合を調節可能な下糸巻装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention] (Industrial field of application) The present invention relates to a bobbin winding device for a sewing machine, and more particularly to a bobbin for bobbin bobbins for adjusting the winding condition of the bobbin thread. The present invention relates to a bobbin winding device.
（従来の技術） 本考案にかかる従来技術として、実公昭３８−２７８６
９号公報に開示される技術が知られている。第４図に示
すように、この下糸巻装置では糸巻軸２２を台板２３に
取付け、台板２３の一端２３ａをミシンの天板２１の内
側面に固定し、台板２３の他端２３ｂをやはり天板２１
の内側面に弾性体２４を介して調節ネジ２５で取付けた
ものである。下糸の片巻状態を調節する場合には、調節
ネジ２５を回動操作して台板２３の他端２３ｂを上下に
撓ませ、この移動により台板２３に定着させたボビン２
７を上方または下方に傾斜させるものである。(Prior Art) As a prior art according to the present invention, the Japanese Utility Model Publication No. 38-2786
The technology disclosed in Japanese Patent No. 9 is known. As shown in FIG. 4, in this bobbin winding device, the bobbin winding shaft 22 is attached to the base plate 23, one end 23a of the base plate 23 is fixed to the inner side surface of the top plate 21 of the sewing machine, and the other end 23b of the base plate 23 is fixed. After all the top 21
It is attached to the inner side surface of (1) with an adjusting screw 25 via an elastic body 24. When adjusting the one-sided winding state of the bobbin thread, the adjusting screw 25 is rotated to bend the other end 23b of the base plate 23 up and down, and this movement causes the bobbin 2 fixed on the base plate 23.
7 is inclined upward or downward.
一方、実公昭４６−１８８４２号公報に開示される技術
では、第５図に示すように、ボビン３２の挿設される糸
巻軸３１を作業者に向かって傾斜して機枠上方部に設
け、また糸巻軸３１と少し離れた機枠上方部に枢軸３３
を糸巻軸３１とは非平行に設け、枢軸３３を中心に糸案
内３４を有する腕杆３５を配設した。そして、腕杆３５
を回動操作して糸道の角度を変化させることによって、
ボビン３２に対する下糸の片巻状態を調節できるように
なっている。On the other hand, in the technique disclosed in Japanese Utility Model Publication No. 46-18842, as shown in FIG. 5, the bobbin 32, in which the bobbin 32 is inserted, is provided in the upper portion of the machine frame so as to be inclined toward the operator. In addition, the pivot 33
Is provided in parallel with the bobbin winding shaft 31, and the arm rod 35 having the thread guide 34 is arranged around the pivot 33. And the arm rod 35
By changing the angle of the thread path by rotating
It is possible to adjust the one-sided winding state of the lower thread with respect to the bobbin 32.
（考案が解決しようとする課題） しかし、前者の装置では弾性体２４のたわみ量に限界が
あるため、台板２３の上下調節幅も少ないといった不具
合がある。(Problems to be solved by the invention) However, in the former device, there is a problem in that the vertical adjustment width of the base plate 23 is small because the amount of bending of the elastic body 24 is limited.
また、後者の装置においても同様に、腕杆３５の回動調
整範囲が９０°程度であるため糸案内を経て延びる糸の
上限、下限の調節幅が少なく、充分な調整ができない、
といった不具合がある。Also in the latter device, similarly, since the rotation adjustment range of the arm rod 35 is about 90 °, the adjustment range of the upper limit and the lower limit of the yarn extending through the yarn guide is small, and sufficient adjustment cannot be performed.
There is such a problem.
そこで、本考案は上記不具合を解決して、より簡易な構
成で調節幅を充分に有する下糸巻装置の提供を技術的課
題とする。Therefore, it is a technical object of the present invention to solve the above problems and provide a bobbin winding device having a simpler structure and a sufficient adjustment width.
（課題を解決するための手段） 上記課題を解決するために本考案において講じた技術的
解決手段は、ミシン機枠に配設される保持軸と、下糸用
ボビンが装着されるとともに前記保持軸に対して略垂直
に配設され前記保持軸を中心として回動可能な糸巻軸を
備えるミシンの下糸巻装置である。(Means for Solving the Problem) The technical solution taken in the present invention to solve the above-mentioned problems is a holding shaft arranged on a machine frame of a sewing machine, a bobbin for a lower thread, and the holding. A bobbin winding device for a sewing machine, which comprises a bobbin winding shaft which is disposed substantially perpendicular to the shaft and is rotatable around the holding shaft.
（作用） 上記手段によれば、糸巻軸は保持軸に対して略垂直に配
設されているため、糸巻軸が保持軸を中心に回転する
と、装着されたボビンも保持軸とともに回転して傾斜す
る。傾斜角度は保持軸の回転角度とともに変化させるこ
とができ、ボビンの幅を充分に越える下糸調節幅を持た
せるこが可能となる。(Operation) According to the above means, since the bobbin winding shaft is disposed substantially perpendicular to the holding shaft, when the bobbin winding shaft rotates about the holding shaft, the mounted bobbin also rotates together with the holding shaft and tilts. To do. The inclination angle can be changed together with the rotation angle of the holding shaft, and it is possible to provide a bobbin thread adjusting width that sufficiently exceeds the width of the bobbin.
（実施例） 本考案の一実施例を第１図〜第３図に基づいて説明す
る。(Embodiment) An embodiment of the present invention will be described with reference to FIGS.
第１図は本考案の下糸巻装置を備えたミシンの背面斜視
図を示す。アーム機枠１の背面側には背面空間が形成さ
れ、背面空間の内壁より突出したヒンジピン２０（第２
図）には背面カバー３の下端が枢支され、この背面カバ
ー３によって背面空間は隠蔽されるようになっている。
背面カバー３には糸駒４が装着され、アーム機枠１に配
設される糸案内５を経由して背面空間内に設けられた糸
巻装置６のボビン７に導かれるようになっている。尚、
２はアーム機枠１の前面を構成するフロントパネルを示
す。FIG. 1 is a rear perspective view of a sewing machine having a bobbin winding device of the present invention. A rear space is formed on the rear side of the arm machine frame 1, and the hinge pin 20 (second
In the drawing, the lower end of the back cover 3 is pivotally supported, and the back cover 3 conceals the back space.
A thread spool 4 is attached to the back cover 3, and is guided to a bobbin 7 of a thread winding device 6 provided in the back space via a thread guide 5 arranged in the arm machine frame 1. still,
Reference numeral 2 denotes a front panel forming the front surface of the arm machine frame 1.
第２図に、第１図のＡ−Ｏ−Ａ線に沿う断面図を示す。
このように、背面空間には糸巻腕取付板８がネジ９で固
定され、糸巻腕取付板８に糸巻腕軸１０が固定されてい
る。１１は糸巻腕で糸巻腕軸１０に回動可能に挿着さ
れ、糸巻腕１１の他端側の嵌合孔には糸巻保持部材１２
の段軸部１２ａが、ウエーブワッシャ１３、Ｅリング１
４を介して回動調整位置保持可能に嵌合している。FIG. 2 shows a sectional view taken along the line AOA of FIG.
Thus, the bobbin arm mounting plate 8 is fixed to the back space with the screw 9, and the bobbin winding arm shaft 10 is fixed to the bobbin winding arm mounting plate 8. A bobbin winding arm 11 is rotatably attached to the bobbin winding shaft 10 and has a bobbin holding member 12 in a fitting hole on the other end side of the bobbin winding arm 11.
The stepped shaft portion 12a of the is the wave washer 13, E ring 1
It is fitted so as to be able to hold the rotation adjustment position via 4.
糸巻軸保持部材１２には段軸部１２ａと直交する軸穴が
形成されており、この軸穴にボビン７の装着される糸巻
軸１５が回転可能に配設されている。また、糸巻軸１５
の他端にはゴム輪１８の巻装された糸巻車１６が嵌装さ
れている。１７は糸巻腕バネで、糸巻車１６のゴム輪１
８を図示しないハズミ車に係脱させる。また、１９は上
軸を示す。The bobbin shaft holding member 12 is formed with a shaft hole orthogonal to the step shaft portion 12a, and the bobbin shaft 15 on which the bobbin 7 is mounted is rotatably disposed in the shaft hole. In addition, the bobbin shaft 15
A bobbin wheel 16 wound with a rubber wheel 18 is fitted to the other end of the. 17 is a bobbin arm spring, which is a rubber wheel 1 of the bobbin wheel 16.
8 is engaged with and disengaged from a wheel car (not shown). Moreover, 19 shows an upper axis.
次に、本実施例の作用について説明する。ボビン７に巻
かれる下糸が、第３−１図の如く糸巻軸１５に対して平
行で均等に巻回されている場合にはよいが、第３−２図
又は第３−３図に示すような片巻き状態の場合には、糸
巻保持部材１２をそれぞれ矢印に示す方向に回動させ
る。これによって、糸案内５より案内された下糸のボビ
ン７に巻回される位置が下方あるいは上方に移動し、均
等に巻かれるようになる。Next, the operation of this embodiment will be described. Although it is preferable that the bobbin thread wound on the bobbin 7 is parallel and evenly wound around the bobbin winding shaft 15 as shown in FIG. 3-1, it is shown in FIG. 3-2 or 3-3. In the case of such a single-winding state, the bobbin holding members 12 are rotated in the directions indicated by the arrows. As a result, the position where the bobbin thread guided by the thread guide 5 is wound around the bobbin 7 moves downward or upward, and the bobbin 7 is evenly wound.
本実施例によれば、下糸の片巻状態の調節幅を大きくす
ることが可能となる。According to the present embodiment, it is possible to increase the adjustment width of the one-sided winding state of the lower thread.
また、下糸巻装置がアーム機枠内の背面空間に配置さ
れ、背面カバー３によって隠蔽されるため、背面カバー
３を閉じた状態ではアーム機枠１外に露出するものがな
く、使用者の衣服などを引っ掛ける恐れがない。Further, since the bobbin winding device is arranged in the back space in the arm machine frame and hidden by the back cover 3, there is nothing exposed to the outside of the arm machine frame 1 when the back cover 3 is closed. There is no fear of getting caught.
本考案によれば、糸巻軸を糸巻軸と略垂直に交差する保
持軸を中心に回動させることによって、下糸がボビンに
対して導かれる角度を大きく変化させることができ、こ
の結果、従来のものと比較して大幅に片巻の調節幅が大
きくなる。According to the present invention, the angle at which the bobbin thread is guided with respect to the bobbin can be largely changed by rotating the bobbin winding axis about a holding shaft that intersects the bobbin winding substantially perpendicularly. Compared with the one, the adjustment width of one winding is greatly increased.
第１図は本考案のミシンの下糸巻装置の一実施例を示す
ミシンの背面斜視図、第２図は第１図のＡ−Ｏ−Ａ線に
沿う断面図、第３図の第３−１図は下糸の正常な巻状
態、第３−２図は下糸がボビンの上方に偏った片巻状
態、第３−３図は下糸がボビンの下方に偏った片巻状
態、第４図は従来のミシンの下糸巻装置の部分断面図、
第５図は別の従来例のミシンの下糸巻装置の平面図をそ
れぞれ示す。 符号の説明 １……アーム機枠（ミシン機枠）、 ７……下糸用ボビン、 １２ａ……段軸部（保持軸）、 １５……糸巻軸。FIG. 1 is a rear perspective view of a sewing machine showing an embodiment of a bobbin winding device of the present invention, FIG. 2 is a sectional view taken along the line A--O--A of FIG. 1, and FIG. 1 is a normal winding state of the lower thread, FIG. 3-2 is a single winding state in which the lower thread is biased above the bobbin, and FIG. 3-3 is a single winding state in which the lower thread is biased below the bobbin. FIG. 4 is a partial sectional view of a conventional bobbin winder for a sewing machine,
FIG. 5 is a plan view of a bobbin winding device of another conventional sewing machine. DESCRIPTION OF SYMBOLS 1 ... Arm machine frame (sewing machine frame), 7 ... bobbin bobbin, 12a ... stage shaft section (holding shaft), 15 ... bobbin winding shaft.
Claims (1)
ボビンが装着されるとともに前記保持軸に対して略垂直
に配設され前記保持軸を中心として回動可能な糸巻軸を
備えるミシンの下糸巻装置。1. A bobbin winder having a holding shaft mounted on a sewing machine frame and a bobbin for bobbin thread, and arranged substantially perpendicular to the holding shaft and rotatable about the holding shaft. A bobbin winding device for a sewing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3527187U JPH0616611Y2 (en) | 1987-03-11 | 1987-03-11 | Bobbin winder for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3527187U JPH0616611Y2 (en) | 1987-03-11 | 1987-03-11 | Bobbin winder for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63143284U JPS63143284U (en) | 1988-09-21 |
| JPH0616611Y2 true JPH0616611Y2 (en) | 1994-05-02 |
Family
ID=30844604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3527187U Expired - Lifetime JPH0616611Y2 (en) | 1987-03-11 | 1987-03-11 | Bobbin winder for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0616611Y2 (en) |
-
1987
- 1987-03-11 JP JP3527187U patent/JPH0616611Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63143284U (en) | 1988-09-21 |
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