JPH0217576Y2 - - Google Patents
Info
- Publication number
- JPH0217576Y2 JPH0217576Y2 JP17927485U JP17927485U JPH0217576Y2 JP H0217576 Y2 JPH0217576 Y2 JP H0217576Y2 JP 17927485 U JP17927485 U JP 17927485U JP 17927485 U JP17927485 U JP 17927485U JP H0217576 Y2 JPH0217576 Y2 JP H0217576Y2
- Authority
- JP
- Japan
- Prior art keywords
- sewing machine
- main shaft
- opening
- arm
- drive motor
- 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
Links
- 238000009958 sewing Methods 0.000 claims description 49
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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）
この考案はミシンのアーム内部に駆動モータを
設けたミシンに関するものである。[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) This invention relates to a sewing machine in which a drive motor is provided inside the arm of the sewing machine.
（従来の技術）
この種のミシンにおいては、駆動モータのモー
タ軸とミシン主軸との間に歯車伝達機構が設けら
れる。(Prior Art) In this type of sewing machine, a gear transmission mechanism is provided between the motor shaft of the drive motor and the main shaft of the sewing machine.
（考案が解決しようとする問題点）
この場合、その歯車伝達機構がミシンのアーム
内部の狭い空間内に位置しているため、例えば歯
車の破損による交換を行う場合、その作業に困難
を判うことになる。(Problem that the invention aims to solve) In this case, the gear transmission mechanism is located in a narrow space inside the arm of the sewing machine, which makes it difficult to replace the gear due to damage, for example. It turns out.
考案の構成
（問題点を解決するための手段）
以上の問題点を解決するために、この考案にお
いてはミシンのアーム内にミシン主軸を支持し、
そのミシン主軸を駆動モータにより回転させるよ
うにしたミシンにおいて、針と反対側のアーム端
部に開口を形成するとともに、その開口を開閉可
能に覆う蓋体を設け、前記開口に近接してアーム
の内部には駆動モータをそのモータ軸が前記ミシ
ン主軸と平行をなすようにかつ前記開口に向かつ
て突出するように配置固定し、前記駆動モータと
ミシン主軸との間には平歯車よりなる歯車伝達機
構を設けている。Structure of the invention (means for solving the problems) In order to solve the above problems, this invention supports the main shaft of the sewing machine within the arm of the sewing machine,
In a sewing machine in which the main shaft of the sewing machine is rotated by a drive motor, an opening is formed at the end of the arm opposite to the needle, and a lid is provided to cover the opening in an openable and closable manner, and the arm is placed close to the opening. A drive motor is arranged and fixed inside so that its motor shaft is parallel to the main shaft of the sewing machine and protrudes toward the opening, and a gear transmission consisting of a spur gear is connected between the drive motor and the main shaft of the sewing machine. A mechanism is in place.
（作用）
従つて、歯車伝達機構がミシンのアームの開口
に近接して位置するとともに、歯車の軸からの抜
出し及び軸への取付方向線上に開口が位置するこ
とになり、その交換作業を容易に行うことができ
る。(Function) Therefore, the gear transmission mechanism is located close to the opening of the arm of the sewing machine, and the opening is located on the line in which the gear is removed from the shaft and attached to the shaft, making the replacement work easier. can be done.
（実施例）
以下この考案を具体化した一実施例を図面に基
づいて説明する。まず、この実施例のミシンの概
略構成を説明すると、第２図に示すようにミシン
フレーム１はベツト２と、そのベツト２上に固定
されたアーム３とより構成されている。(Example) An example embodying this invention will be described below based on the drawings. First, the general construction of the sewing machine of this embodiment will be explained. As shown in FIG. 2, a sewing machine frame 1 is composed of a bed 2 and an arm 3 fixed on the bed 2.
第３図〜第５図に示すように、アーム３内には
ミシン主軸４が軸受５により回転可能に支持され
るとともに、アーム３の先端には上下に延びる２
本の軸６，７が支持され、一方の軸６の両端には
ピニオン８が固定されている。ミシンアーム３の
前端には針棒支持ケース９が横移動可能に支承さ
れ、その針棒支持ケース９には下端に針３３を有
する合計６本の針棒１０が上下動可能に支承され
るとともに、針棒支持ケース９の上下のラツク１
１が前記ピニオン８に噛合している。ミシンアー
ム３上には可逆の駆動モータ１２が固定され、そ
のモータ軸上の歯車１３が前記一方のピニオン８
に噛合していて、この駆動モータ１２の正逆回転
により歯車１３、両ピニオン８及びラツク１１を
介して針棒支持ケース９が往復移動される。 As shown in FIGS. 3 to 5, a main shaft 4 of the sewing machine is rotatably supported in the arm 3 by a bearing 5, and a sewing machine main shaft 4 is rotatably supported in the arm 3, and a 2.
Book shafts 6 and 7 are supported, and a pinion 8 is fixed to both ends of one shaft 6. A needle bar support case 9 is supported in a horizontally movable manner at the front end of the sewing machine arm 3, and a total of six needle bars 10 each having a needle 33 at the lower end are supported in the needle bar support case 9 in a vertically movable manner. , the upper and lower racks 1 of the needle bar support case 9
1 is meshed with the pinion 8. A reversible drive motor 12 is fixed on the sewing machine arm 3, and a gear 13 on the motor shaft is connected to the one pinion 8.
The needle bar support case 9 is reciprocated via the gear 13, both pinions 8, and the rack 11 by the forward and reverse rotation of the drive motor 12.
前記両軸６，７上にはクランク機構１６を介し
て前記ミシン主軸４に連結された下部昇降体１４
と、ミシン主軸４と一体的に回転する軸（図示し
ない）とクランク機構１７を介して連結された上
部昇降体１５とがそれぞれ上下動可能に支承され
ている。そして、針棒支持ケース９の横移動に伴
い縫製位置に達した針棒１０及び天秤体１９がそ
れぞれピン２０，２１を介して前記下部昇降体１
４及び上部昇降体１５に連結され、ミシン主軸４
の回転によりその針棒１０及び天秤体１９の上下
動が行われる。 A lower elevating body 14 is connected to the main shaft 4 of the sewing machine via a crank mechanism 16 on both the shafts 6 and 7.
and an upper elevating body 15 connected via a crank mechanism 17 to a shaft (not shown) that rotates integrally with the main shaft 4 of the sewing machine are each supported so as to be movable up and down. Then, as the needle bar support case 9 moves laterally, the needle bar 10 and the thread take-up body 19, which have reached the sewing position, are moved to the lower elevating body 1 via pins 20 and 21, respectively.
4 and the upper elevating body 15, the sewing machine main shaft 4
The rotation of the needle bar 10 and the thread take-up body 19 move up and down.
次にこの考案の要部に関する構成を説明する。
第１図〜第３図に示すように、アーム３の後端に
は前記ミシン主軸４が内外を貫通する開口２２が
形成されており、その開口２２には蓋体２３によ
りねじ２４を使用して閉成される。その開口２２
と近接してミシンアーム３の内部にはミシン駆動
モータ２５が配置固定され、そのモータ軸２６が
前記ミシン主軸４と平行をなし、開口２２に向か
つて延びている。そのモータ軸２６上にはミシン
駆動モータ２５と前記開口２２との間に位置する
ように合成樹脂よりなる駆動歯車２７が固定され
ている。又、ミシン主軸４上には前記軸受５と開
口２２との間に位置するように合成樹脂よりなる
被動歯車２８が固定されており、この被動歯車２
８が前記駆動歯車２７と噛合している。この駆動
歯車２７及び被動歯車２８は平歯車よりなり、両
歯車２７，２８により歯車伝達機構が構成されて
いる。ミシン主軸４の外端にはこのミシン主軸４
を手動にて回転するための操作体２９が取付けら
れている。なお、第１図の下部に示された釜駆動
軸３０は釜（図示しない）を回転させるためのも
ので、複数の傘歯車３１及び軸３２を介して前記
ミシン主軸４に連結されている。 Next, the configuration of the main parts of this invention will be explained.
As shown in FIGS. 1 to 3, an opening 22 is formed at the rear end of the arm 3, through which the sewing machine main shaft 4 passes from inside to outside. It will be closed. The opening 22
A sewing machine drive motor 25 is arranged and fixed inside the sewing machine arm 3 in close proximity to the sewing machine arm 3, and its motor shaft 26 is parallel to the sewing machine main shaft 4 and extends toward the opening 22. A drive gear 27 made of synthetic resin is fixed on the motor shaft 26 so as to be located between the sewing machine drive motor 25 and the opening 22. Further, a driven gear 28 made of synthetic resin is fixed on the main shaft 4 of the sewing machine so as to be located between the bearing 5 and the opening 22.
8 meshes with the drive gear 27. The drive gear 27 and the driven gear 28 are spur gears, and both gears 27 and 28 constitute a gear transmission mechanism. This sewing machine main shaft 4 is attached to the outer end of the sewing machine main shaft 4.
An operating body 29 for manually rotating the is attached. Note that a hook drive shaft 30 shown at the bottom of FIG. 1 is for rotating a hook (not shown), and is connected to the sewing machine main shaft 4 via a plurality of bevel gears 31 and a shaft 32.
以上のように構成されたミシンにおいて駆動歯
車２７又は被動歯車２８を交換するためには、操
作体２９をミシン主軸４上から取外すとともに、
蓋体２３を開口２２から取外し、その開口２２を
介して歯車２７又は２８の交換を行うことができ
る。この場合、両歯車２７，２８が開口２２に近
接してるので、蓋体２３を外せばその両歯車２
７，２８が開口２２の間近に臨み、器具等を使用
することなく、手によりその歯車の交換を行うこ
とができる。しかも、ミシン主軸４及びミシン駆
動モータ２５のモータ軸２６が互いに平行をなし
て開口２２に向かつて延びているので、歯車２
７，２８の取外し及び取付方向線上に開口２２が
位置することになり、交換作業を極めて容易に行
うことができる。 In order to replace the driving gear 27 or the driven gear 28 in the sewing machine configured as described above, the operating body 29 is removed from the sewing machine main shaft 4, and
The lid body 23 can be removed from the opening 22 and the gear 27 or 28 can be replaced through the opening 22. In this case, both gears 27 and 28 are close to the opening 22, so if the lid 23 is removed, the gears 27 and 28
7 and 28 are located close to the opening 22, and the gears can be replaced by hand without using tools or the like. Moreover, since the main shaft 4 of the sewing machine and the motor shaft 26 of the sewing machine drive motor 25 are parallel to each other and extend toward the opening 22, the gear 2
Since the opening 22 is located on the line in which the parts 7 and 28 are removed and installed, the replacement work can be performed extremely easily.
考案の効果
以上実施例において例示したように、この考案
においては歯車伝達機構の歯車の交換作業を極め
て容易に行うことができる効果を発揮する。Effects of the Invention As exemplified in the embodiments above, this invention exhibits the effect of making it possible to extremely easily replace the gears of the gear transmission mechanism.
第１図はこの考案を具体化したミシンの要部を
示す断面図、第２図はミシンアーム全体を示す側
面図、第３図は要部を示す一部切断背面図、第４
図はミシンアーム全体を示す一部破断平面図、第
５図は縫製部を示す分解断面図である。
３……アーム、４……ミシン主軸、２２……開
口、２３……蓋体、２５……ミシン駆動モータ、
２６……モータ軸、２７……駆動歯車、２８……
被動歯車、３３……針。
Figure 1 is a sectional view showing the main parts of a sewing machine that embodies this invention, Figure 2 is a side view showing the entire sewing machine arm, Figure 3 is a partially cutaway rear view showing the main parts, and Figure 4
The figure is a partially cutaway plan view showing the entire sewing machine arm, and FIG. 5 is an exploded sectional view showing the sewing part. 3... Arm, 4... Sewing machine main shaft, 22... Opening, 23... Lid, 25... Sewing machine drive motor,
26...Motor shaft, 27...Drive gear, 28...
Driven gear, 33...needle.
Claims (1)
そのミシン主軸４を駆動モータ２５により回転さ
せるようにしたミシンにおいて、 針３３と反対側のアーム端部に開口２２を形成
するとともに、その開口２２を開閉可能に覆う蓋
体２３を設け、前記開口２２に近接してアーム３
の内部には駆動モータ２５をそのモータ軸２６が
前記ミシン主軸４と平行をなすようにかつ前記開
口２２に向かつて突出するように配置固定し、 前記駆動モータ２５とミシン主軸４との間には
平歯車よりなる歯車伝達機構２７，２８を設けた
ことを特徴とするミシンの駆動装置。[Claims for Utility Model Registration] A sewing machine main shaft 4 is supported within the arm 3 of the sewing machine,
In a sewing machine in which the main shaft 4 of the sewing machine is rotated by a drive motor 25, an opening 22 is formed at the end of the arm opposite to the needle 33, and a cover body 23 is provided to cover the opening 22 in an openable and closable manner. Arm 3 close to 22
A drive motor 25 is arranged and fixed inside the machine so that its motor shaft 26 is parallel to the sewing machine main shaft 4 and protrudes toward the opening 22, and between the drive motor 25 and the sewing machine main shaft 4, 1 is a driving device for a sewing machine, characterized in that a gear transmission mechanism 27, 28 consisting of spur gears is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17927485U JPH0217576Y2 (en) | 1985-11-20 | 1985-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17927485U JPH0217576Y2 (en) | 1985-11-20 | 1985-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6286181U JPS6286181U (en) | 1987-06-02 |
| JPH0217576Y2 true JPH0217576Y2 (en) | 1990-05-16 |
Family
ID=31122193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17927485U Expired JPH0217576Y2 (en) | 1985-11-20 | 1985-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217576Y2 (en) |
-
1985
- 1985-11-20 JP JP17927485U patent/JPH0217576Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6286181U (en) | 1987-06-02 |
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