JP4799779B2 - Cylindrical sewing machine - Google Patents

Cylindrical sewing machine Download PDF

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Publication number
JP4799779B2
JP4799779B2 JP2001260506A JP2001260506A JP4799779B2 JP 4799779 B2 JP4799779 B2 JP 4799779B2 JP 2001260506 A JP2001260506 A JP 2001260506A JP 2001260506 A JP2001260506 A JP 2001260506A JP 4799779 B2 JP4799779 B2 JP 4799779B2
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Japan
Prior art keywords
sewing machine
bed
cylindrical
machine frame
oil
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 - Fee Related
Application number
JP2001260506A
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Japanese (ja)
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JP2003062375A (en
Inventor
正人 山本
真次郎 門脇
隆 足立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Juki Corp
Original Assignee
Juki Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to JP2001260506A priority Critical patent/JP4799779B2/en
Priority to TW091116384A priority patent/TW579398B/en
Priority to KR1020020048374A priority patent/KR100854891B1/en
Priority to CNB021418888A priority patent/CN1327069C/en
Publication of JP2003062375A publication Critical patent/JP2003062375A/en
Application granted granted Critical
Publication of JP4799779B2 publication Critical patent/JP4799779B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/06—Lower casings for free-arm sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B71/00—Lubricating or cooling devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • D05B75/02—Frames, stands, tables, or other furniture adapted to carry sewing machines for drop-head sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B77/00—Covers, or portable enclosures, for sewing machines

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は筒型ミシンに関する。
【０００２】
【従来の技術】
図５に基づいて従来例による筒型ミシンを説明すると、この筒型ミシンは、ミシンフレーム１０と、該ミシンフレーム１０を上面に載置するベッド受け台１２０とを備える。ミシンフレーム１０は、アーム部１１とベッド部１２から成り、ベッド部１２はアーム部１１にほぼ平行に延出する筒型部１２ａを有する。ミシンフレーム１０はベッド受け台１２０へ蝶番４０により起き倒し可能に取り付けられている。ベッド受け台１２０は図示しないテーブルの上面に固定される。
【０００３】
ミシンフレーム１０の筒型部１２ａの底面には開口部１２ｂが形成されており、その開口部１２ｂを塞ぐシリンダカバー１４２が取り付けられている。
この筒型ミシンは、ミシンフレーム１０内の各部分の潤滑をオイルで行っている。また、ベッド受け台１２０は、ミシンフレーム１０をテーブル上に固定するためのものであるが、給油用のオイルタンクとしても用いられている。
【０００４】
【発明が解決しようとする課題】
上記従来例による筒型ミシンにおいては、ミシンフレーム１０のアーム部１１内の各部分から下方へ移動してきたオイル５０がベッド部１２とベッド受け台１２０の合わせ面（ベッド部１２の下面とベッド受け台１２０の上面１２２）より外部へ洩れてテーブルを汚すことがあった。
【０００５】
また、ミシンフレーム１０内部の駆動部から飛散したオイル５０が筒型部１２ａの下部のシリンダカバー１４２から外部に洩れ、ミシンフレーム１０の外壁を伝って図示しないテーブル上に落下して汚すことがあった。
【０００６】
このようにしてテーブル上に洩れたオイル５０は、縫製物に付着して汚して縫製品質を劣化させる。
従って本発明の目的は、アーム部１１からのオイル５０がベッド受け台１２０の上面１２２より外部へ洩れるのを防止することができる筒型ミシンを提供することにある。
【０００７】
本発明の他の目的は、筒型部１２ａの下部のシリンダカバー１４２からのオイル５０が外部に洩れるのを防止することができる筒型ミシンを提供することにある。
【０００９】
【課題を解決するための手段】
上記課題を解決するために、請求項１記載の発明は、
アーム部と該アーム部にほぼ平行に延出する筒型部を有するベッド部とからなるミシンフレームと、
該ミシンフレームを上面に載置してテーブル上面に固定されたベッド受け台と、を備える筒型ミシンにおいて、
前記筒型部の底面に設けられた開口部を塞ぐカバーの一端部が前記ベッド受け台の油溜部の内側の上方に延出していることを特徴とする筒型ミシンが提供される。
【００１０】
【発明の実施の形態】
以下、図１〜４に基づいて本発明の実施の形態を説明する。
本実施の形態による筒型ミシンは、ミシンフレーム１０と、該ミシンフレーム１０を上面に載置するベッド受け台２０とを備える。ミシンフレーム１０は、アーム部１１とベッド部１２から成り、ベッド部１２はアーム部１１にほぼ平行に延出する筒型部１２ａを有する。このミシンフレーム１０は、ベッド受け台２０へ蝶番４０により起き倒し可能に取り付けられている。ミシンフレーム１０とベッド受け台２０の間にはパッキン４１を介在している。ベッド受け台２０はテーブル３０の上面に固定される。
【００１１】
ベッド受け台２０は、上方が開口した箱型の油溜部２１を有し、この油溜部２１のほぼ矩形状の上面２２には、該上面２２を周回する還流溝２２ａと、この還流溝２２ａと油溜部２１とを結ぶ複数の溝２２ｂが設けられている。図３（Ａ）に模式的に示したように、還流溝２２ａには勾配が形成され、最も深い位置に溝２２ｂが形成される。また、図３（Ｂ）に示すように溝２２ｂは、油溜部２１の方向に向って深くなるような勾配が形成されている。そしてベッド部１２の底面１２ｃとベッド受け台２０の上面２２の間に配置されるパッキン４１は還流溝２２ａの内側に取り付けられ、オイルを還流溝２２ａへ導入しやすくしている。
【００１２】
ベッド受け台２０の上面２２でのこのような構成により、還流溝２２ａに溜ったオイルをベッド受け台２０の油溜部２１の中へ還流することができる。ベッド受け台２０の上面２２に設けた還流溝２２ａ、溝２２ｂはミシンの外形輪郭から突出する構造ではなく、外部からは完全に隠れる構造であるので、外観形状を損なうことなくオイルの還流機能を得ることができる。
【００１３】
ミシンフレーム１０の筒型部１２ａの底面には開口部１２ｂが形成されており、その開口部１２ｂを塞ぐシリンダカバー４２が取り付けられている。このシリンダカバー４２の一端部４２ａは、図４に示すようにベッド受け台２０の油溜部２１の内側の上方に延出している。シリンダカバー４２には、フェルト支え４３によりフェルト４４が取り付けられている。フェルト４４の先端には油心４５が取り付けられ、この油心４５の先端はシリンダカバー４２の一端部４２ａから更に外部へ延出している。シリンダカバー４２とベッド受け台２０の間には上下方向に隙間を設け、ベッド受け台２０の外にオイルが伝わらないようにしている。
【００１４】
シリンダカバー４２でのこのような構成により、シリンダカバー４２に付着したオイルは、フェルト４４及び油心４５を伝ってベッド受け台２０の油溜部２１の中へ還流することができる。シリンダカバー４２の一端部４２ａ、フェルト支え４３、フェルト４４及び油心４５はいずれもミシンの外形輪郭から突出する構造ではなく、外部からは完全に隠れる構造であるので、外観形状を損なうことなくオイルの還流機能を得ることができる。
【００１６】
【発明の効果】
本発明によれば、アーム部と該アーム部にほぼ平行に延出する筒型部を有するベッド部とからなるミシンフレームと、該ミシンフレームを上面に載置してテーブル上面に固定されたベッド受け台と、を備える筒型ミシンにおいて、前記筒型部の底面に設けられた開口部を塞ぐカバーの一端部が前記ベッド受け台の油溜部の内側の上方に延出しているので、筒型部の下部のカバーからのオイルが外部に洩れるのを防止することができる。
【図面の簡単な説明】
【図１】 本発明の筒型ミシンの実施の形態の分解斜視図である。
【図２】 図１のベッド受け台を示す平面図である。
【図３】 図１のベッド受け台の還流溝及び溝を模式的に示す図で、（Ａ）は図２のＡ−Ａ断面図、（Ｂ）は図２のＢ−Ｂ断面図でありベッド受け台の他にパッキンも示している。
【図４】 図１の筒型ミシンの正面図である。
【図５】 従来例による筒型ミシンの分解斜視図である。
【符号の説明】
１０ ミシンフレーム
１１ アーム部
１２ ベッド部
１２ａ 筒型部
１２ｂ 開口部
２０ ベッド受け台
２１ 油溜部
２２ 上面
２２ａ 還流溝
２２ｂ 溝
３０ テーブル
４２ シリンダカバー
４２ａ 一端部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cylindrical sewing machine.
[0002]
[Prior art]
The cylindrical sewing machine according to the conventional example will be described with reference to FIG. 5. The cylindrical sewing machine includes a sewing machine frame 10 and a bed cradle 120 on which the sewing machine frame 10 is placed. The sewing machine frame 10 includes an arm portion 11 and a bed portion 12, and the bed portion 12 has a cylindrical portion 12 a that extends substantially parallel to the arm portion 11. The sewing machine frame 10 is attached to the bed cradle 120 by a hinge 40 so as to be able to get up and down. The bed cradle 120 is fixed to the upper surface of a table (not shown).
[0003]
An opening 12b is formed on the bottom surface of the cylindrical portion 12a of the sewing machine frame 10, and a cylinder cover 142 that closes the opening 12b is attached.
In this cylindrical sewing machine, each part in the sewing machine frame 10 is lubricated with oil. The bed cradle 120 is used to fix the sewing machine frame 10 on the table, but is also used as an oil tank for refueling.
[0004]
[Problems to be solved by the invention]
In the cylindrical sewing machine according to the conventional example, the oil 50 that has moved downward from each part in the arm portion 11 of the sewing machine frame 10 is the mating surface of the bed portion 12 and the bed cradle 120 (the lower surface of the bed portion 12 and the bed rest). Sometimes the table leaks to the outside from the upper surface 122) of the table 120.
[0005]
In addition, the oil 50 splashed from the drive unit inside the sewing machine frame 10 may leak to the outside from the cylinder cover 142 at the bottom of the cylindrical part 12a, fall on the table (not shown) along the outer wall of the sewing machine frame 10, and become dirty. It was.
[0006]
The oil 50 leaking onto the table in this manner adheres to the sewing product and becomes dirty, thereby deteriorating the quality of the sewing product.
Accordingly, an object of the present invention is to provide a cylindrical sewing machine that can prevent the oil 50 from the arm portion 11 from leaking outside from the upper surface 122 of the bed cradle 120.
[0007]
Another object of the present invention is to provide a cylindrical sewing machine that can prevent the oil 50 from the cylinder cover 142 below the cylindrical portion 12a from leaking outside.
[0009]
[Means for Solving the Problems]
In order to solve the above problem, the invention according to claim 1
A sewing machine frame comprising an arm portion and a bed portion having a cylindrical portion extending substantially parallel to the arm portion;
In a cylindrical sewing machine comprising: a bed cradle mounted on the upper surface of the sewing machine frame and fixed to the upper surface of the table.
One end of a cover that closes an opening provided on the bottom surface of the cylindrical part extends above the inside of the oil reservoir of the bed cradle.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
The cylindrical sewing machine according to the present embodiment includes a sewing machine frame 10 and a bed cradle 20 on which the sewing machine frame 10 is placed. The sewing machine frame 10 includes an arm portion 11 and a bed portion 12, and the bed portion 12 has a cylindrical portion 12 a that extends substantially parallel to the arm portion 11. The sewing machine frame 10 is attached to the bed cradle 20 by a hinge 40 so that the sewing machine frame 10 can be lowered. A packing 41 is interposed between the sewing machine frame 10 and the bed cradle 20. The bed cradle 20 is fixed to the upper surface of the table 30.
[0011]
The bed cradle 20 has a box-shaped oil reservoir 21 having an upper opening, and a substantially rectangular upper surface 22 of the oil reservoir 21 includes a reflux groove 22a that circulates around the upper surface 22 and the reflux groove. A plurality of grooves 22b connecting 22a and the oil reservoir 21 are provided. As schematically shown in FIG. 3A, a gradient is formed in the reflux groove 22a, and a groove 22b is formed at the deepest position. Further, as shown in FIG. 3B, the groove 22 b is formed with a gradient that becomes deeper in the direction of the oil reservoir 21. And the packing 41 arrange | positioned between the bottom face 12c of the bed part 12 and the upper surface 22 of the bed cradle 20 is attached inside the reflux groove 22a, and makes it easy to introduce | transduce oil into the reflux groove 22a.
[0012]
With such a configuration on the upper surface 22 of the bed cradle 20, the oil accumulated in the reflux groove 22 a can be recirculated into the oil reservoir 21 of the bed cradle 20. The reflux grooves 22a and 22b provided on the upper surface 22 of the bed cradle 20 are not structured to protrude from the outer contour of the sewing machine, but are completely hidden from the outside, so that the oil reflux function can be achieved without impairing the appearance. Obtainable.
[0013]
An opening 12b is formed on the bottom surface of the cylindrical portion 12a of the sewing machine frame 10, and a cylinder cover 42 that closes the opening 12b is attached. One end 42a of the cylinder cover 42 extends upward inside the oil reservoir 21 of the bed cradle 20 as shown in FIG. A felt 44 is attached to the cylinder cover 42 by a felt support 43. An oil core 45 is attached to the tip of the felt 44, and the tip of the oil core 45 further extends from one end 42 a of the cylinder cover 42 to the outside. A gap is provided between the cylinder cover 42 and the bed cradle 20 in the vertical direction so that oil is not transmitted outside the bed cradle 20.
[0014]
With such a configuration of the cylinder cover 42, the oil attached to the cylinder cover 42 can flow back into the oil reservoir 21 of the bed cradle 20 through the felt 44 and the oil core 45. The one end 42a, the felt support 43, the felt 44, and the oil core 45 of the cylinder cover 42 are not structures that protrude from the outer contour of the sewing machine, but are completely hidden from the outside. The reflux function can be obtained.
[0016]
【The invention's effect】
According to the present invention, a sewing machine frame comprising an arm portion and a bed portion having a cylindrical portion extending substantially parallel to the arm portion, and a bed mounted on the upper surface of the table by placing the sewing machine frame on the upper surface. In the cylindrical sewing machine comprising a cradle, one end of a cover that closes an opening provided on the bottom surface of the tubular part extends above the inside of the oil reservoir of the bed cradle. Oil from the lower cover of the mold part can be prevented from leaking outside.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an embodiment of a cylindrical sewing machine of the present invention.
FIG. 2 is a plan view showing the bed cradle of FIG.
3 is a diagram schematically showing a reflux groove and a groove of the bed cradle of FIG. 1, wherein (A) is a cross-sectional view taken along the line AA in FIG. 2, and (B) is a cross-sectional view taken along the line BB in FIG. In addition to the bed cradle, packing is also shown.
4 is a front view of the cylindrical sewing machine of FIG. 1. FIG.
FIG. 5 is an exploded perspective view of a conventional cylindrical sewing machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Sewing machine frame 11 Arm part 12 Bed part 12a Cylindrical part 12b Opening part 20 Bed receiving base 21 Oil reservoir part 22 Upper surface 22a Reflux groove 22b Groove 30 Table 42 Cylinder cover 42a One end part

Claims (1)

アーム部と該アーム部にほぼ平行に延出する筒型部を有するベッド部とからなるミシンフレームと、
該ミシンフレームを上面に載置してテーブル上面に固定されたベッド受け台と、を備える筒型ミシンにおいて、
前記筒型部の底面に設けられた開口部を塞ぐカバーの一端部が前記ベッド受け台の油溜部の内側の上方に延出していることを特徴とする筒型ミシン。A sewing machine frame comprising an arm portion and a bed portion having a cylindrical portion extending substantially parallel to the arm portion;
In a cylindrical sewing machine comprising: a bed cradle mounted on the upper surface of the sewing machine frame and fixed to the upper surface of the table.
One end of the cover which closes the opening part provided in the bottom face of the said cylindrical part is extended above the inner side of the oil reservoir of the said bed stand, The cylindrical sewing machine characterized by the above-mentioned.
JP2001260506A 2001-08-30 2001-08-30 Cylindrical sewing machine Expired - Fee Related JP4799779B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001260506A JP4799779B2 (en) 2001-08-30 2001-08-30 Cylindrical sewing machine
TW091116384A TW579398B (en) 2001-08-30 2002-07-23 Cylinder-bed sewing machine
KR1020020048374A KR100854891B1 (en) 2001-08-30 2002-08-16 Cylinder bed type sewing machine
CNB021418888A CN1327069C (en) 2001-08-30 2002-08-27 Cylindrical sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001260506A JP4799779B2 (en) 2001-08-30 2001-08-30 Cylindrical sewing machine

Publications (2)

Publication Number Publication Date
JP2003062375A JP2003062375A (en) 2003-03-04
JP4799779B2 true JP4799779B2 (en) 2011-10-26

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JP2001260506A Expired - Fee Related JP4799779B2 (en) 2001-08-30 2001-08-30 Cylindrical sewing machine

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KR (1) KR100854891B1 (en)
CN (1) CN1327069C (en)
TW (1) TW579398B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4419076B2 (en) * 2004-12-28 2010-02-24 ヤマトミシン製造株式会社 sewing machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT982715B (en) * 1973-04-05 1974-10-21 Virginio Rimoldi E C Spa FORCED LUBRICATION CIRCUIT EQUIPPED WITH EXHAUSTS COMPENSATORS OF THE LUBRICANT FLOW RATE AS THE VARYING SPEED OF OPERATION PARTICULARLY SUITABLE FOR SEWING MACHINES
JPS5523507Y2 (en) * 1973-08-02 1980-06-04
JPS5443887Y2 (en) * 1973-08-02 1979-12-18
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IT1106990B (en) * 1977-02-08 1985-11-18 Mefina Sa SEWING MACHINE
CA1168519A (en) * 1980-05-13 1984-06-05 Kihei Goto Sewing machine
JPS6057372U (en) * 1983-09-26 1985-04-22 アイシン精機株式会社 Sewing machine oil leak prevention cover
JPS6178896U (en) * 1984-10-24 1986-05-26
IT8521971V0 (en) * 1985-05-27 1985-05-27 Rockwell Rimoldi Spa SEWING MACHINE WITH BASE FORMED BY TWO MODULES REMOVABLE CONNECTION BETWEEN THEM.
JPS6241740Y2 (en) * 1986-04-30 1987-10-26
JPH0686887A (en) * 1992-09-09 1994-03-29 Aisin Seiki Co Ltd Oil feeding mechanism of sewing machine
JPH06312078A (en) * 1993-04-30 1994-11-08 Brother Ind Ltd Oil recovering device for sewing machine
JPH08299652A (en) * 1995-05-10 1996-11-19 Pegasus Sewing Mach Mfg Co Ltd Oil leak preventing device for sewing machine bed
JP2885159B2 (en) * 1995-12-19 1999-04-19 ブラザー工業株式会社 Sewing machine table
JPH10137479A (en) * 1996-11-14 1998-05-26 Juki Corp Industrial sewing machine
CN2454392Y (en) * 2000-12-22 2001-10-17 浙江杰克缝纫机有限公司 Oil-plate for high-speed overseaming machine

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TW579398B (en) 2004-03-11
JP2003062375A (en) 2003-03-04
KR100854891B1 (en) 2008-08-28
KR20030019868A (en) 2003-03-07
CN1407165A (en) 2003-04-02
CN1327069C (en) 2007-07-18

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