JP4818600B2 - Stir seal - Google Patents
Stir seal Download PDFInfo
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- JP4818600B2 JP4818600B2 JP2004281398A JP2004281398A JP4818600B2 JP 4818600 B2 JP4818600 B2 JP 4818600B2 JP 2004281398 A JP2004281398 A JP 2004281398A JP 2004281398 A JP2004281398 A JP 2004281398A JP 4818600 B2 JP4818600 B2 JP 4818600B2
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- seal
- cylindrical core
- ring
- stirring
- agitation
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- Accessories For Mixers (AREA)
Description
本発明は、攪拌シールに関し、特に、攪拌シール内に設けられる液もれ防止用のＯリングを円筒中子の外周に設けることにより、攪拌棒とＯリングとを非接触とし、耐久性及び信頼性を向上させるための新規な改良に関する。 The present invention relates to an agitation seal, and in particular, by providing an O-ring for preventing liquid leakage provided in the agitation seal on the outer periphery of a cylindrical core, the agitation bar and the O-ring are brought into non-contact, and durability and reliability are improved. The present invention relates to a new improvement for improving the performance.
従来、用いられていたこの種の攪拌シールとしては、例えば、特開平７−２１９３２２号公報等の図１に開示されている攪拌軸及び攪拌シールの構造があるが、この特許公報の構成と類似の実際に採用されている構成を図４及び図５で挙げることができる。
すなわち、図４において符号１で示されるものは、図示しない攪拌槽の開口２に挿入するための全体形状が筒状をなすシール体であり、このシール体１の上部にはねじ部３が形成されている。
Conventionally, this type of agitation seal has the structure of the agitation shaft and agitation seal disclosed in FIG. 1 of Japanese Patent Application Laid-Open No. 7-219322, etc., which is similar to the configuration of this patent publication. The configuration actually adopted in FIG. 4 can be listed in FIGS.
That is, what is indicated by reference numeral 1 in FIG. 4 is a seal body in which the overall shape for insertion into the opening 2 of the agitation tank (not shown) has a cylindrical shape, and a screw portion 3 is formed on the top of the seal body 1. Has been.
前記ネジ部３の内側の段部４には、Ｏリング５が設けられ、このＯリング５の上部には円筒中子６が設けられている。
前記円筒中子６に形成された鍔部７は前記ねじ部３の上端３ａに係合し、このねじ部３に図２に示す蓋体１０を螺合して設けるように構成されている。
An O-ring 5 is provided on the step 4 inside the screw portion 3, and a cylindrical core 6 is provided on the upper portion of the O-ring 5.
A flange portion 7 formed on the cylindrical core 6 engages with an upper end 3a of the screw portion 3, and a screw body 3 shown in FIG.
従って、前述のシール体１の段部４にＯリング５を載置させ、さらに円筒中子６を設けた後に、前記蓋体１０をねじ部３に螺合させることにより、攪拌シール２０の組立てが完了する。 Therefore, the O-ring 5 is placed on the step portion 4 of the sealing body 1 described above, and the cylindrical core 6 is provided. Then, the lid body 10 is screwed to the screw portion 3 to assemble the stirring seal 20. Is completed.
前述の組立てが完了した攪拌シール２０を用いる場合、攪拌槽内に設けられている攪拌羽根（図示せず）を設けた攪拌機１１を、攪拌シール２０の下部から上部に向けて貫通させ、その後、この攪拌シール２０を攪拌槽の開口２に挿入すると、攪拌シール２０による攪拌棒１１の開口２への液もれ防止の装着が完了する。
尚、前記攪拌シール２０は、前記開口２に対して着脱自在であり、開口２への装着後は、この攪拌棒１１の基部を図示しない駆動体へ接続することにより、攪拌棒を所要の回転数で回転させることができる。
When using the agitation seal 20 that has been assembled as described above, the agitator 11 provided with agitation blades (not shown) provided in the agitation tank is allowed to penetrate from the lower part to the upper part of the agitation seal 20, and thereafter When the stirring seal 20 is inserted into the opening 2 of the stirring tank, the mounting of the liquid leakage prevention to the opening 2 of the stirring rod 11 by the stirring seal 20 is completed.
The stirring seal 20 is detachable with respect to the opening 2 and, after the opening 2 is mounted, the base of the stirring bar 11 is connected to a driving body (not shown) so that the stirring bar is rotated as required. Can be rotated by number.
従来の攪拌シールは、以上のように構成されていたため、次のような課題が存在していた。
すなわち、Ｏリングが円筒中子の下部に設けられているため、攪拌棒を攪拌シールに貫通させた場合、Ｏリングの内面に攪拌棒が直接接触し、使用時間の経過によってＯリングが損傷し、シール性が低下することになっていた。
Since the conventional agitation seal is configured as described above, the following problems exist.
In other words, since the O-ring is provided at the lower part of the cylindrical core, when the stirring rod is passed through the stirring seal, the stirring rod directly contacts the inner surface of the O-ring, and the O-ring is damaged over time. The sealing performance was supposed to be lowered.
本発明による攪拌シールは、全体形状が筒状をなし攪拌棒を回転自在に貫通させるためのシール体と、前記シール体の上部外周に形成されたねじ部と、前記ねじ部の内側に着脱自在に設けられ鍔部を有する円筒中子と、前記円筒中子の前記鍔部の下部に形成された輪状凹部に設けられたＯリングと、前記ねじ部に螺合され前記円筒中子を覆うと共に前記攪拌棒を貫通させるための貫通孔を有する蓋体とを備え、前記円筒中子が前記シール体の前記ねじ部の内側に挿入された場合、前記Ｏリングが前記シール体の前記ねじ部の上端に当接し、前記ねじ部に対して前記蓋体が螺合された場合、前記円筒中子は前記蓋体によって押圧され、前記Ｏリングが前記上端に押圧され、前記Ｏリングは前記円筒中子の外周に位置し、かつ、前記攪拌棒とは非接触状態とした構成であり、また、前記ねじ部の内壁には内壁テーパ部が形成され、前記円筒中子の外壁には、前記内壁テーパ部と接合するための外壁テーパ部が形成されている構成であり、また、前記シール体の外周面はテーパ状に形成されている構成である。 The agitation seal according to the present invention has a cylindrical shape as a whole, a seal body for allowing the agitation rod to pass therethrough freely, a screw part formed on the outer periphery of the upper part of the seal body, and a removable part inside the screw part covering a cylindrical core having a flange portion provided, the O-ring that is kicked set in annular recess formed in the lower portion of the collar portion of the cylindrical core, said cylindrical core is screwed into the threaded portion And a lid having a through hole for allowing the stirring rod to pass therethrough, and when the cylindrical core is inserted inside the threaded portion of the seal body, the O-ring is the threaded portion of the seal body. contact with the upper end of this, when the lid with respect to the threaded portion is screwed, the cylindrical core is pressed by said lid, said O-ring is pressed against the upper, front Symbol O-ring is the It is located on the outer periphery of the cylindrical core and is not The inner wall taper portion is formed on the inner wall of the screw portion, and the outer wall taper portion for joining the inner wall taper portion is formed on the outer wall of the cylindrical core. Further, the outer peripheral surface of the seal body is formed in a tapered shape.
本発明による攪拌シールは、以上のように構成されているため、次のような効果を得ることができる。
すなわち、Ｏリングが円筒中子の外側に位置しているため、攪拌棒はＯリングと直接接触することがなく、長期間の使用に耐えることができる。
Since the stirring seal according to the present invention is configured as described above, the following effects can be obtained.
That is, since the O-ring is located outside the cylindrical core, the stirring rod does not directly contact the O-ring and can withstand long-term use.
本発明は、攪拌シール内に設けられる防水用のＯリングを円筒中子の外周に設けることにより、攪拌棒とＯリングとを非接触とし、耐久性及び信頼性を向上させるようにした攪拌シールを提供することを目的とする。 The present invention provides a stirrer seal that is provided with a waterproof O-ring provided in the stirrer seal on the outer periphery of the cylindrical core so that the stirrer bar and the O-ring are not in contact with each other, thereby improving durability and reliability. The purpose is to provide.
以下、図面と共に本発明による攪拌シールの好適な実施の形態について説明する。尚、従来例と同一又は同等部分には同一符号を用いて説明する。
図１において、符号１で示されるものは、図示しない攪拌槽の開口２に挿入するための全体形状が筒状をなすシール体であり、このシール体１の上部にはねじ部３が形成されていると共に、その外周面１Ａはテーパ状に形成されている。
Hereinafter, preferred embodiments of a stirring seal according to the present invention will be described with reference to the drawings. The same reference numerals are used for the same or equivalent parts as in the conventional example.
In FIG. 1, what is indicated by reference numeral 1 is a seal body in which the overall shape for insertion into an opening 2 of a stirring tank (not shown) has a cylindrical shape, and a threaded portion 3 is formed on the top of the seal body 1. In addition, the outer peripheral surface 1A is formed in a tapered shape.
前記ねじ部３の内側には、内壁テーパ部１５が形成され、このねじ部３の内側に挿入された円筒中子６の外壁テーパ部１６は、前記内壁テーパ部１５に接合することにより、前記ねじ部３の内側に前記円筒中子６が同軸状に接合して配設される構成である。 An inner wall taper portion 15 is formed inside the screw portion 3, and an outer wall taper portion 16 of the cylindrical core 6 inserted inside the screw portion 3 is joined to the inner wall taper portion 15, thereby The cylindrical core 6 is coaxially joined to the inside of the screw portion 3.
前記円筒中子６は、図３に示されるように構成されており、その上部に形成された鍔部７の下部に形成された輪状凹部１７にはＯリング５が設けられている。
前記円筒中子６が前記ねじ部３の内側に挿入された場合、Ｏリング５がシール体１の前記ねじ部３の上端３ａに当接し、前記ねじ部３に対して、図２に示される構成の蓋体１０が螺合された場合、前記円筒中子６はこの蓋体１０によって押圧され、Ｏリング５が前記上端３ａに押圧されて密合が達成される。また、前記円筒中子６はシール体１のねじ部３の内側に着脱自在に挿入されている。
尚、前記蓋体１０に形成された貫通孔１０ａには、攪拌棒１１を貫通させることができるように構成されている。
The cylindrical core 6 is configured as shown in FIG. 3, and an O-ring 5 is provided in a ring-
If the cylindrical core 6 is inserted into the inside of the threaded portion 3, O-ring 5 abuts the upper end 3a of the front Symbol threaded portion 3 of the seal body 1, with respect to the threaded portion 3, illustrated in FIG. 2 When the lid body 10 having the structure described above is screwed , the cylindrical core 6 is pressed by the lid body 10, and the O-ring 5 is pressed by the upper end 3a, thereby achieving tight fitting. The cylindrical core 6 is detachably inserted inside the threaded portion 3 of the seal body 1.
The stirring rod 11 can be passed through the through hole 10a formed in the lid body 10.
前述の組立てが完了した攪拌シール２０を用いる場合、攪拌槽内に設けられている攪拌羽根（図示せず）を設けた攪拌棒１１を、攪拌シール２０の下部から上部に向けて貫通させ、その後、この攪拌シール２０を攪拌槽の開口２（図４に示す）に挿入すると、攪拌シール２０による攪拌棒１１の開口２への液もれ防止の装着が完了する。
尚、前記攪拌シール２０は、前記開口２に対して着脱自在であり、開口２への装着後は、この攪拌棒１１の基部を図示しない駆動体へ接続することにより、攪拌棒を所要の回転数で回転させることができる。
When using the agitation seal 20 that has been assembled as described above, the agitation bar 11 provided with agitation blades (not shown) provided in the agitation tank is passed through from the lower part of the agitation seal 20 toward the upper part, and thereafter When the stirring seal 20 is inserted into the opening 2 (shown in FIG. 4) of the stirring tank, the mounting of the liquid leakage prevention to the opening 2 of the stirring rod 11 by the stirring seal 20 is completed.
The stirring seal 20 is detachable with respect to the opening 2 and, after the opening 2 is mounted, the base of the stirring bar 11 is connected to a driving body (not shown) so that the stirring bar is rotated as required. Can be rotated by number.
前述の図１の構成において、攪拌棒１１を回転させた場合、攪拌棒１１は円筒中子６の中空内で回転しているため、攪拌棒１１とＯリング５とは直接接触することがなく、Ｏリング５による防水を確保しつつ、円筒中子６による回転保持を維持することができる。 In the configuration of FIG. 1 described above, when the stirring rod 11 is rotated, the stirring rod 11 rotates in the hollow of the cylindrical core 6, so that the stirring rod 11 and the O-ring 5 are not in direct contact. Rotational holding by the cylindrical core 6 can be maintained while ensuring waterproofing by the O-ring 5.
本発明は、攪拌シールだけではなく、回転軸を水密封止する他の分野にも適用可能である。 The present invention is applicable not only to the stirring seal but also to other fields in which the rotating shaft is watertightly sealed.
１ シール体
１Ａ 外周面
３ ねじ部
３ａ 上端
５ Ｏリング
６ 円筒中子
７ 鍔部
１０ 蓋体
１０ａ 貫通孔
１１ 攪拌棒
１５ 内壁テーパ部
１６ 外壁テーパ部
２０ 攪拌シール
DESCRIPTION OF SYMBOLS 1 Sealing body 1A Outer peripheral surface 3 Screw part 3a Upper end 5 O-ring 6 Cylindrical core 7 Girth part 10 Lid 10a Through-hole 11 Stirring rod 15 Inner wall taper part 16 Outer wall taper part 20 Stir seal
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004281398A JP4818600B2 (en) | 2004-09-28 | 2004-09-28 | Stir seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004281398A JP4818600B2 (en) | 2004-09-28 | 2004-09-28 | Stir seal |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006095359A JP2006095359A (en) | 2006-04-13 |
| JP2006095359A5 JP2006095359A5 (en) | 2010-09-02 |
| JP4818600B2 true JP4818600B2 (en) | 2011-11-16 |
Family
ID=36235683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004281398A Active JP4818600B2 (en) | 2004-09-28 | 2004-09-28 | Stir seal |
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| Country | Link |
|---|---|
| JP (1) | JP4818600B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628209B (en) * | 2009-08-03 | 2011-06-22 | 哈尔滨工业大学 | Container sealing stirrer device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS452687Y1 (en) * | 1966-08-30 | 1970-02-04 | ||
| JPS4930737A (en) * | 1972-07-25 | 1974-03-19 | ||
| JPS5840233A (en) * | 1981-08-31 | 1983-03-09 | Hitachi Cable Ltd | Forming method of heat conductive surface |
| JPS63203972A (en) * | 1987-02-17 | 1988-08-23 | Matsushita Electric Ind Co Ltd | Shaft seal device for compressor |
| JP4111733B2 (en) * | 2002-03-25 | 2008-07-02 | イーグル工業株式会社 | Shaft seal device |
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- 2004-09-28 JP JP2004281398A patent/JP4818600B2/en active Active
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| Publication number | Publication date |
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| JP2006095359A (en) | 2006-04-13 |
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