JPS5941806Y2 - Structure of sewing machine thread tension regulator - Google Patents
Structure of sewing machine thread tension regulatorInfo
- Publication number
- JPS5941806Y2 JPS5941806Y2 JP3697880U JP3697880U JPS5941806Y2 JP S5941806 Y2 JPS5941806 Y2 JP S5941806Y2 JP 3697880 U JP3697880 U JP 3697880U JP 3697880 U JP3697880 U JP 3697880U JP S5941806 Y2 JPS5941806 Y2 JP S5941806Y2
- Authority
- JP
- Japan
- Prior art keywords
- thread tension
- thread
- dial
- discs
- engages
- 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
Landscapes
- Sewing Machines And Sewing (AREA)
Description
【考案の詳細な説明】 (技術分野) 本考案はミシンの糸調子器の構造に関する。[Detailed explanation of the idea] (Technical field) The present invention relates to the structure of a thread tension regulator for a sewing machine.
(従来技術)
従来の糸調子器にあっては、調節ダイアルの目盛部と該
目盛部に対する指示線を設けた部材とを同一ユニットに
設けることが困難であった。(Prior Art) In the conventional thread tension device, it was difficult to provide the scale portion of the adjustment dial and the member providing the indicator line for the scale portion in the same unit.
また押え上げ上昇時の糸ゆるめのための機構は、一般I
こ糸調子軸に軸方向に沿って形成された細孔内に押え上
げによりリンク機構を介して作動させられる糸ゆるめピ
ンを挿通させる構造であったので、前記細孔等の加工費
が嵩むと共に構成が複雑になるという欠点があった。In addition, the mechanism for loosening the thread when the presser foot is raised is
Since the structure was such that a thread loosening pin, which was activated via a link mechanism by lifting the presser foot, was inserted into a small hole formed along the axial direction of the thread tension shaft, the processing costs for the small hole increased, and The disadvantage was that the configuration was complicated.
更に糸調子器の組付時における基準張力の設定にも比較
的工数を要するという欠点があった。Furthermore, there is a drawback that setting the reference tension when assembling the thread tension device requires a relatively large number of man-hours.
(目的)
本考案の目的とするところは、糸調子ダイアルの目盛部
に対して指示線を設けた部材を糸調子器の同一ユニット
内に近接対向して配設することにより、使用時における
上糸張力の確認を容易にし、また押え上げ上昇時の糸ゆ
るめのための機構を簡略化し、更に糸調子器の組付時に
おける基準張力の設定を従来のものに比べ容易に行なえ
るようにすることである。(Purpose) The purpose of the present invention is to provide a member with an indication line for the scale part of the thread tension dial in close opposition to each other in the same unit of the thread tension device, thereby improving the ease of use. To make it easier to check the thread tension, to simplify the mechanism for loosening the thread when the presser foot is raised, and to make it easier to set the reference tension when assembling the thread tension device compared to conventional ones. That's true.
(構成) 以下本考案を実施例により説明する。(composition) The present invention will be explained below with reference to examples.
ミシンの機枠1にねじ2等により固着された糸調子軸3
の基端部3aには、一対の糸調子皿4及び5と、これら
の中間に位置する中皿6と、一端に複数形成された複数
の突起8aが糸調子皿4に当接させられると共に機枠1
に対してピン7を介して回転止めされ外周部に指示線8
bを設けた皿受け8とが嵌装されている。Thread tension shaft 3 fixed to machine frame 1 of the sewing machine with screws 2, etc.
A pair of thread tension discs 4 and 5, an intermediate disc 6 located between these discs, and a plurality of protrusions 8a formed at one end are brought into contact with the thread tension disc 4 at the base end 3a of the thread tension disc 4. Machine frame 1
It is stopped from rotating via pin 7 and has an indicator line 8 on the outer periphery.
A plate holder 8 provided with b is fitted.
1aは機枠1に形成された突起で上糸の掛渡し時に該上
糸が糸調子皿5の右側にはいり込むのを防止する。Reference numeral 1a denotes a projection formed on the machine frame 1 to prevent the upper thread from entering the right side of the thread tension disc 5 when the upper thread is threaded.
糸調子ダイアル9の内径部9cは皿受り8のボス部8c
に回動自在に嵌装され、抜は止め部材10により軸方向
位置が規制されている。The inner diameter part 9c of the thread tension dial 9 corresponds to the boss part 8c of the tray receiver 8.
It is rotatably fitted into the housing, and its axial position is regulated by a removal preventing member 10.
糸調子ダイアル9の目盛部9aは指示線8bと組付状態
で近接対向する。The scale portion 9a of the thread tension dial 9 is closely opposed to the indicator line 8b in the assembled state.
11は糸調子軸3の段部3bと皿受け8との間に配設さ
れた補助ばねである。Reference numeral 11 denotes an auxiliary spring disposed between the stepped portion 3b of the thread tension shaft 3 and the plate receiver 8.
調節部材たるばねガイド12は、糸調子軸3に嵌装され
、フランジ部12aの外周に形成された複数の溝12b
の一つと糸調子ダイアル9の内周に形成されたキ一部9
bとが係合しており、案内溝12cには糸調子軸3のね
じ部3cに嵌装され糸調子ばね13を調節するための調
節ナツト14の突起部14aが係合し、他端のフランジ
部12dには軸15に枢支された糸ゆるめレバー16の
先端が係合している。The spring guide 12, which is an adjustment member, is fitted onto the thread tension shaft 3 and has a plurality of grooves 12b formed on the outer periphery of the flange portion 12a.
9 and a part 9 formed on the inner periphery of the thread tension dial 9.
b is engaged with the guide groove 12c, and the protrusion 14a of the adjustment nut 14 fitted into the threaded portion 3c of the thread tension shaft 3 and used to adjust the thread tension spring 13 is engaged with the guide groove 12c. The tip of a thread loosening lever 16 pivotally supported on a shaft 15 is engaged with the flange portion 12d.
糸ゆるめレバー16は図示しないが押え上げとリンク機
構により接続されている。Although not shown, the thread loosening lever 16 is connected to the presser foot lifter by a link mechanism.
(作用)
次に上記のように構成された本考案の作用について説明
する。(Operation) Next, the operation of the present invention configured as described above will be explained.
糸調子器の組付時における基準張力の設定は、まず糸調
子ばね13の付勢力に抗して手指等によりばねガイド1
2を第2図の左向きに移動させてキ一部9bと溝12b
との係合を外す。To set the reference tension when assembling the thread tension device, first press the spring guide 1 with your fingers against the biasing force of the thread tension spring 13.
2 to the left in FIG.
Disengage from the
次にその状態でばねガイド12を介して調節ナツト14
を適宜回動調節しその位置で溝12bとキ一部9bとを
再び係合させ基準張力と対比させこの操作を繰り返えす
ことにより工具等を使用することなく容易に行なうこと
ができる。Next, in this state, the adjusting nut 14 is inserted through the spring guide 12.
This can be easily carried out without using any tools by adjusting the rotation as appropriate, re-engaging the groove 12b and the key portion 9b at that position, comparing the tension with the reference tension, and repeating this operation.
ミシンの使用時における上糸張力の調節は糸調子ダイア
ル9を回動調節すると、キ一部9b、溝12b、案内溝
12Cを介して調節ナツト14が回動させられ、糸調子
ばね13の付勢力が調節させられ、該付勢力がばねガイ
ド12、皿受け8を介し糸調子皿4及び5に伝えられ両
皿間の糸挟持圧が調節させられる。To adjust the upper thread tension when using the sewing machine, when the thread tension dial 9 is rotated, the adjustment nut 14 is rotated through the key portion 9b, the groove 12b, and the guide groove 12C, and the thread tension spring 13 is attached. The force is adjusted, and the biasing force is transmitted to the thread tension discs 4 and 5 via the spring guide 12 and the disc holder 8, and the thread clamping pressure between the discs is adjusted.
この場合に目盛部9aと指示線8bとが近接対向してい
るため従来例に比べ上糸張力の確認が容易である。In this case, since the scale portion 9a and the indicator line 8b are closely opposed to each other, it is easier to check the needle thread tension compared to the conventional example.
押え上げを上昇させると連接されたリンク機構により糸
ゆるめレバー16が軸15を中心に第1図の反時計方向
に回動させられフランジ部12dを介してばねガイド1
2が第1図の左方に移動させられるから、該ばねガイド
と皿受け8とが非接触となり、糸調子ばね13による糸
調子皿4及び5間の糸挟持圧が解除される。When the presser foot lifter is raised, the thread loosening lever 16 is rotated counterclockwise in FIG.
2 is moved to the left in FIG. 1, the spring guide and the plate receiver 8 come out of contact, and the thread clamping pressure between the thread tension plates 4 and 5 by the thread tension spring 13 is released.
(効果)
以上のように本考案によれば、糸調子ダイアルの目盛部
に対して指示線を設けた皿受けを糸調子器の同一ユニッ
ト内に近接対向して配設することにより使用時における
上糸張力の確認を容易に行なうことができるという効果
が得られ、また糸ゆるめ機構はフランジ部に糸ゆるめレ
バーを係合させる構成であるので、従来例の糸調子軸に
糸ゆるめビンを挿通させたものに比べ加工工数が少なく
て済みまたその構成が簡略化されるという効果が得られ
、更に糸調子器の組付時における基準張力の設定が工具
等を使用することな〈従来のものに比べ容易に行なえる
という効果が得られる。(Effects) As described above, according to the present invention, by arranging the plate receivers with indicating lines for the scale part of the thread tension dial so as to be close to each other in the same unit of the thread tension regulator, it is possible to This has the effect of making it easier to check the needle thread tension, and since the thread loosening mechanism has a structure in which the thread loosening lever is engaged with the flange, it is no longer necessary to insert the thread loosening bottle into the thread tension shaft of the conventional example. This has the effect of requiring fewer machining steps and simplifying the configuration compared to the conventional method, and the reference tension can be set without the use of tools when assembling the thread tension device. This has the advantage of being easier to perform than.
図面は本考案の実施例に係り、第1図は糸調子器の正面
図、第2図は糸調子器の縦断面図、第3図は糸調子器主
要部の分解斜視図である。
1は機枠、3は糸調子軸、3cはねじ部、4゜5は糸調
子皿、6は中皿、8は皿受け、8bは指示線、8cはボ
ス部、9は糸調子ダイアル 9aは目盛部、9bはキ一
部、9cは内径部、12は調節部材たるばねガイド、1
2a、12dはフランジ部、12bは溝、12Cは案内
溝、13は糸調子ばね、14は調節ナツト、16は糸ゆ
るめレバーである。The drawings relate to an embodiment of the present invention, and FIG. 1 is a front view of the thread tension device, FIG. 2 is a longitudinal sectional view of the thread tension device, and FIG. 3 is an exploded perspective view of the main parts of the thread tension device. 1 is the machine frame, 3 is the thread tension shaft, 3c is the screw part, 4°5 is the thread tension disc, 6 is the middle disc, 8 is the disc holder, 8b is the indicator line, 8c is the boss part, 9 is the thread tension dial 9a 9b is a scale part, 9c is an inner diameter part, 12 is a spring guide which is an adjustment member, 1
2a and 12d are flange portions, 12b is a groove, 12C is a guide groove, 13 is a thread tension spring, 14 is an adjustment nut, and 16 is a thread loosening lever.
Claims (1)
子皿の中間に位置する中皿と、前記糸調子皿に糸挾持圧
を付加する糸調子ばねとを嵌装すると共に前記糸調子ば
ねの圧力を連続的に調節する糸調子ダイアルを備えた糸
調子器において、前記糸調子軸に嵌装され一端が前記糸
調子皿に当接させられ前記機枠に対して回転止めされ、
ボスが前記糸調子ダイアルの内側に嵌装し前記糸調子ダ
イアルを回動可能とした皿受け8と、鉄血受けのボスに
一端が当接させられ外周に形成された複数の溝のうちの
1つが前記糸調子ダイアルの内壁の一部と係合するフラ
ンジ部と中間付近に形成され前記糸調子軸のねじ部に嵌
装された調節ナツトの突起部と係合し前記糸調子ダイア
ルと共に回動させる案内溝と他端に糸ゆるめレバーが係
合するフランジ部とが形成された調節部材12とを備え
てなることを特徴とするミシンの糸調子器の構造。A pair of thread tension discs, an intermediate disc located between the thread tension discs, and a thread tension spring that applies thread clamp holding pressure to the thread tension discs are fitted onto a thread tension shaft fixed to a machine frame. In the thread tension device equipped with a thread tension dial that continuously adjusts the pressure of the thread tension spring, the thread tension dial is fitted onto the thread tension shaft, one end of which is brought into contact with the thread tension disc, and is prevented from rotating with respect to the machine frame. is,
a plate holder 8 whose boss is fitted inside the thread tension dial and allows the thread tension dial to rotate; and one of a plurality of grooves formed on the outer periphery with one end abutting the boss of the iron blood receiver. is formed near the middle of the flange portion that engages with a part of the inner wall of the thread tension dial, and engages with a protrusion of an adjustment nut fitted into the threaded portion of the thread tension shaft, and rotates together with the thread tension dial. A structure of a thread tension regulator for a sewing machine, comprising an adjusting member 12 having a guide groove and a flange portion at the other end with which a thread loosening lever engages.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3697880U JPS5941806Y2 (en) | 1980-03-22 | 1980-03-22 | Structure of sewing machine thread tension regulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3697880U JPS5941806Y2 (en) | 1980-03-22 | 1980-03-22 | Structure of sewing machine thread tension regulator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56139476U JPS56139476U (en) | 1981-10-21 |
JPS5941806Y2 true JPS5941806Y2 (en) | 1984-12-04 |
Family
ID=29632555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3697880U Expired JPS5941806Y2 (en) | 1980-03-22 | 1980-03-22 | Structure of sewing machine thread tension regulator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5941806Y2 (en) |
-
1980
- 1980-03-22 JP JP3697880U patent/JPS5941806Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS56139476U (en) | 1981-10-21 |
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