CN111677865A - Micro-motion type sealing element - Google Patents
Micro-motion type sealing element Download PDFInfo
- Publication number
- CN111677865A CN111677865A CN202010533826.XA CN202010533826A CN111677865A CN 111677865 A CN111677865 A CN 111677865A CN 202010533826 A CN202010533826 A CN 202010533826A CN 111677865 A CN111677865 A CN 111677865A
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- CN
- China
- Prior art keywords
- ring body
- ring
- periphery
- sealing ring
- sealing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
- F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
Abstract
The invention discloses a micro-motion type sealing element, which comprises a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a micro-motion adjusting mechanism, wherein the connecting ring body is arranged on the inner side of the hard ring body; the structure of the traditional sealing ring is changed, the upper part and the lower part of the sealing ring body of the invention are of arc ring body structures bending towards the middle axis, the periphery of the rotating shaft is tightly abutted through the upper end and the lower end of the sealing ring body, so that the double sealing effect is realized, meanwhile, the upper part and the lower part of the sealing ring body are of structures bending towards the middle axis, so that a concealed annular cavity is formed around the inside of the sealing ring body, the installation space of the fine motion adjusting mechanism is provided, the driving ring drives the driven ring to move up and down through rotating the driving ring, so that the upper end and the lower end of the sealing ring body are pulled to perform bending motion, the abutting sealing degree of the upper end and the lower end of the sealing ring body to.
Description
Technical Field
The invention relates to a micro-motion type sealing element.
Background
Most of sealing rings are made of soft materials such as rubber, sealing force is provided by the elasticity of the materials to achieve a sealing effect, the cross section of the existing sealing ring is mostly in a standard circle shape or an oval shape, the inner and outer circumferential surfaces of the existing sealing ring are extruded to form inner and outer sealing surfaces, and the sealing ring with the structure is convenient to manufacture and low in cost and is widely applied to various industries. However, after the sealing ring is abutted against the rotating shaft for a long time, the sealing ring is deformed and further the abutment is not firm, in addition, the sealing ring is generally manufactured by being matched with a certain size, the sealing caliber can not be finely adjusted, and the application range is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a micro-motion type sealing element which has firm butt joint, good sealing performance and can finely adjust the butt joint caliber.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a micro-motion type sealing element comprises a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a micro-motion adjusting mechanism; the hard ring body is arranged on the outer side of the periphery of the inner ring body; the middle of the outer side of the periphery of the sealing ring body is connected with the middle of the inner side of the periphery of the inner side ring body through a connecting ring body; the upper part and the lower part of the sealing ring body are of arc-shaped ring body structures bent towards the center axis; the periphery of the inside of the sealing ring body is provided with a concealed annular cavity; the upper end and the lower end of the sealing ring body are respectively provided with an abutting ring; the abutting ring is made of a high-elasticity rubber material; the micro-motion adjusting mechanism comprises a positioning rod, a driving ring, a driven ring, a guide cylinder and a guide post; two positioning rods are respectively arranged on two sides of the sealing ring body; the outer end of the positioning rod is connected to the inner side surface of the hard ring body, and the inner end of the positioning rod sequentially penetrates through the inner side ring body, the connecting ring body and the sealing ring body and then extends into the sealing ring body; the driving ring is arranged in the concealed annular cavity of the sealing ring body; the outer sides of the periphery of the driving ring are rotatably clamped on the inner end of the positioning rod; annular grooves are formed in the periphery of the upper end and the periphery of the lower end of the driving ring; the ring grooves at the periphery of the upper end and the periphery of the lower end of the driving ring are internally provided with internal thread ring surfaces with threads oppositely arranged; the periphery of the inner side of the driven ring is provided with an external thread ring surface; the annular grooves on the periphery of the upper end and the periphery of the lower end of the driving ring are respectively connected with a driven ring in a threaded manner; two sides of the driven ring are respectively provided with a guide post; the upper end and the lower end of the two sides of the positioning rod are respectively provided with a guide cylinder; the guide posts on the two sides of the driven ring are respectively inserted into the guide cylinders in a sliding manner; the outer ends of the driven rings are respectively connected to the inner sides of the upper end and the lower end of the sealing ring body.
Further, two driving grooves are respectively arranged on two sides of the interior of the driving ring; and a driving shifting block is arranged in each driving groove.
Further, the outer sides of the periphery of the driving ring are provided with annular clamping grooves; the inner end of the positioning rod is provided with arc-shaped clamping teeth; the driving ring is rotatably clamped on the arc-shaped clamping teeth at the inner end of the positioning rod through annular clamping grooves on the outer sides of the periphery.
Furthermore, a plurality of connecting buckles are uniformly arranged on the periphery of the inner sides of the upper end and the lower end of the sealing ring body respectively; the outer end of the driven ring is uniformly connected to the connecting buckle at the end part of the sealing ring body through a plurality of steel wires.
Further, the inner ring body, the connecting ring body and the sealing ring body are all made of rubber materials.
Further, the hard ring body is made of stainless steel material.
The invention has the advantages of
The invention changes the structure of the traditional sealing ring, the upper part and the lower part of the sealing ring body of the invention are in an arc ring body structure which is bent towards the middle axis, the upper end and the lower end of the sealing ring body are tightly abutted to the periphery of the rotating shaft to realize double sealing effect, meanwhile, the upper part and the lower part of the sealing ring body are of a structure bending towards the middle axis, so that a concealed annular cavity is formed around the inside of the sealing ring body, the installation space of the fine motion adjusting mechanism is provided, the driving ring drives the driven ring to move up and down by rotating the driving ring, the sealing ring body is pulled to perform bending motion at the upper end and the lower end, so that the abutting sealing degree of the upper end and the lower end of the sealing ring body to the periphery of an external rotating shaft is improved, the sealing performance is improved, the caliber size of the upper end and the lower end of the sealing ring body can be finely adjusted, the sealing ring body is adaptive to rotating shafts with different diameters, and the use is more flexible.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a side structure of the seal ring body and the fine adjustment mechanism of the present invention.
FIG. 3 is a partially enlarged schematic view of the fine adjustment mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a micro-motion type sealing element comprises a hard ring body 1, an inner side ring body 2, a connecting ring body 3, a sealing ring body 4 and a micro-motion adjusting mechanism 5; the hard ring body 1 is arranged on the outer side of the periphery of the inner ring body 2; the middle of the outer side of the periphery of the sealing ring body 4 is connected with the middle of the inner side of the periphery of the inner side ring body 2 through a connecting ring body 3; the upper part and the lower part of the sealing ring body 4 are of arc-shaped ring body structures bent towards the center axis; the inner periphery of the sealing ring body 4 is provided with a concealed annular cavity 41; the upper end and the lower end of the sealing ring body 4 are respectively provided with an abutting ring 42; the abutment collar 42 is made of a highly elastic rubber material; the inching adjusting mechanism 5 comprises a positioning rod 51, a driving ring 52, a driven ring 53, a guide cylinder 55 and a guide column 54; two sides of the sealing ring body 4 are respectively provided with a positioning rod 51; the outer end of the positioning rod 51 is connected to the inner side surface of the hard ring body 1, and the inner end of the positioning rod sequentially penetrates through the inner side ring body 2, the connecting ring body 3 and the sealing ring body 4 and then extends into the sealing ring body 4; the driving ring 52 is arranged in the concealed annular cavity 41 of the sealing ring body 4; the outer sides of the periphery of the driving ring 52 are rotatably clamped on the inner end of the positioning rod 51; annular grooves 524 are formed in the periphery of the upper end and the periphery of the lower end of the driving ring 52; the ring grooves 524 on the periphery of the upper end and the periphery of the lower end of the driving ring 52 are internally provided with internal thread ring surfaces with opposite threads; the periphery of the inner side of the driven ring 53 is provided with an external thread ring surface; the annular grooves 524 on the periphery of the upper end and the periphery of the lower end of the driving ring 52 are respectively in threaded connection with a driven ring 53; two sides of the driven ring 53 are respectively provided with a guide post 54; the upper end and the lower end of the two sides of the positioning rod 51 are respectively provided with a guide cylinder 55; the guide posts 54 on both sides of the driven ring 53 are respectively inserted and connected into the guide cylinders 55 in a sliding manner; the outer ends of the driven rings 53 are connected to the inner sides of the upper and lower ends of the sealing ring body 4, respectively.
As shown in fig. 1 to 3, it is further preferable that both sides of the inside of the driving ring 52 are respectively provided with a driving groove 521; the driving grooves 521 are respectively provided with a driving shifting block 522 for shifting the driving ring 52 to rotate. Further, the outer side of the periphery of the driving ring 52 is provided with an annular clamping groove 523; the inner end of the positioning rod 51 is provided with an arc-shaped clamping tooth 511; the driving ring 52 is rotatably clamped on the arc-shaped clamping teeth 511 at the inner ends of the positioning rods 51 through annular clamping grooves 523 on the outer sides of the periphery. Furthermore, a plurality of connecting buckles 43 are respectively and uniformly arranged on the periphery of the inner sides of the upper end and the lower end of the sealing ring body 4; the outer end of the driven ring 53 is uniformly connected to the connecting buckle 43 at the end of the sealing ring body 4 through a plurality of steel wires 44. Further, the inner ring body 2, the connecting ring body 3 and the sealing ring body 4 are all made of rubber materials. Further, the hard ring body 1 is made of stainless steel material.
The invention changes the structure of the traditional sealing ring, the upper part and the lower part of the sealing ring body 4 of the invention are of arc ring body structures bending towards the middle axis, the periphery of the rotating shaft is tightly abutted by the upper end and the lower end of the sealing ring body 4, thereby realizing double sealing effect, simultaneously, the upper part and the lower part of the sealing ring body 4 are of structures bending towards the middle axis, thereby forming a concealed annular cavity 41 around the inside of the sealing ring body 4, providing the installation space of the fine motion adjusting mechanism 5, the driving ring 52 drives the driven ring 53 to move up and down by rotating the driving ring 52, thereby pulling the upper end and the lower end of the sealing ring body 4 to perform bending motion, further improving the abutting sealing degree of the upper end and the lower end of the sealing ring body 4 to the periphery of the external rotating shaft, improving the sealing performance, and the other invention can finely adjust the caliber size of the upper end and the, the use is more flexible.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A micro-motion type sealing element is characterized by comprising a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a micro-motion adjusting mechanism; the hard ring body is arranged on the outer side of the periphery of the inner ring body; the middle of the outer side of the periphery of the sealing ring body is connected with the middle of the inner side of the periphery of the inner side ring body through a connecting ring body; the upper part and the lower part of the sealing ring body are of arc-shaped ring body structures bent towards the center axis; the periphery of the inside of the sealing ring body is provided with a concealed annular cavity; the upper end and the lower end of the sealing ring body are respectively provided with an abutting ring; the abutting ring is made of a high-elasticity rubber material; the micro-motion adjusting mechanism comprises a positioning rod, a driving ring, a driven ring, a guide cylinder and a guide post; two positioning rods are respectively arranged on two sides of the sealing ring body; the outer end of the positioning rod is connected to the inner side surface of the hard ring body, and the inner end of the positioning rod sequentially penetrates through the inner side ring body, the connecting ring body and the sealing ring body and then extends into the sealing ring body; the driving ring is arranged in the concealed annular cavity of the sealing ring body; the outer sides of the periphery of the driving ring are rotatably clamped on the inner end of the positioning rod; annular grooves are formed in the periphery of the upper end and the periphery of the lower end of the driving ring; the ring grooves at the periphery of the upper end and the periphery of the lower end of the driving ring are internally provided with internal thread ring surfaces with threads oppositely arranged; the periphery of the inner side of the driven ring is provided with an external thread ring surface; the annular grooves on the periphery of the upper end and the periphery of the lower end of the driving ring are respectively connected with a driven ring in a threaded manner; two sides of the driven ring are respectively provided with a guide post; the upper end and the lower end of the two sides of the positioning rod are respectively provided with a guide cylinder; the guide posts on the two sides of the driven ring are respectively inserted into the guide cylinders in a sliding manner; the outer ends of the driven rings are respectively connected to the inner sides of the upper end and the lower end of the sealing ring body.
2. The micro-motion seal according to claim 1, wherein the drive ring is provided with a drive groove on each of its inner sides; and a driving shifting block is arranged in each driving groove.
3. The fretting seal of claim 1, wherein the outer side of the periphery of the drive ring is provided with an annular snap groove; the inner end of the positioning rod is provided with arc-shaped clamping teeth; the driving ring is rotatably clamped on the arc-shaped clamping teeth at the inner end of the positioning rod through annular clamping grooves on the outer sides of the periphery.
4. The fretting seal of claim 1, wherein a plurality of connecting buckles are uniformly arranged around the inner sides of the upper and lower ends of the seal ring body; the outer end of the driven ring is uniformly connected to the connecting buckle at the end part of the sealing ring body through a plurality of steel wires.
5. The micro-motion seal of claim 1, wherein the inner ring, the connecting ring, and the sealing ring are made of a rubber material.
6. The micro-motion seal according to claim 1, wherein the hard ring is made of a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533826.XA CN111677865A (en) | 2020-06-12 | 2020-06-12 | Micro-motion type sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533826.XA CN111677865A (en) | 2020-06-12 | 2020-06-12 | Micro-motion type sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677865A true CN111677865A (en) | 2020-09-18 |
Family
ID=72454738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010533826.XA Withdrawn CN111677865A (en) | 2020-06-12 | 2020-06-12 | Micro-motion type sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412386A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Sliding regulation type oil casing plugging sealer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103909A (en) * | 1976-09-30 | 1978-08-01 | Borsig Gesellschaft Mit Beschrankter Haftung | Seal for a drive journal of a ball valve |
| JP2015183764A (en) * | 2014-03-24 | 2015-10-22 | ダイハツ工業株式会社 | Idle pulley device for internal combustion engine |
| CN106090236A (en) * | 2016-08-26 | 2016-11-09 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of rotating machinery non-contacting seal adjustable apparatus |
| CN107366747A (en) * | 2017-08-22 | 2017-11-21 | 浙江工业大学 | A kind of adjustable rubber-moulding sealing structure of compression ratio |
| CN107504186A (en) * | 2017-08-22 | 2017-12-22 | 浙江工业大学 | A kind of adaptive transformation operating mode type assembly type rubber sealing structure |
| CN109027235A (en) * | 2018-10-24 | 2018-12-18 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
| CN209309318U (en) * | 2018-12-20 | 2019-08-27 | 艾志（南京）环保管接技术股份有限公司 | A kind of outside framework oil seal that outer diameter is fine-tuning |
| CN210087997U (en) * | 2019-06-24 | 2020-02-18 | 成都建筑材料工业设计研究院有限公司 | Sealing structure of tube mill sliding shoe cover |
-
2020
- 2020-06-12 CN CN202010533826.XA patent/CN111677865A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103909A (en) * | 1976-09-30 | 1978-08-01 | Borsig Gesellschaft Mit Beschrankter Haftung | Seal for a drive journal of a ball valve |
| JP2015183764A (en) * | 2014-03-24 | 2015-10-22 | ダイハツ工業株式会社 | Idle pulley device for internal combustion engine |
| CN106090236A (en) * | 2016-08-26 | 2016-11-09 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of rotating machinery non-contacting seal adjustable apparatus |
| CN107366747A (en) * | 2017-08-22 | 2017-11-21 | 浙江工业大学 | A kind of adjustable rubber-moulding sealing structure of compression ratio |
| CN107504186A (en) * | 2017-08-22 | 2017-12-22 | 浙江工业大学 | A kind of adaptive transformation operating mode type assembly type rubber sealing structure |
| CN109027235A (en) * | 2018-10-24 | 2018-12-18 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
| CN209309318U (en) * | 2018-12-20 | 2019-08-27 | 艾志（南京）环保管接技术股份有限公司 | A kind of outside framework oil seal that outer diameter is fine-tuning |
| CN210087997U (en) * | 2019-06-24 | 2020-02-18 | 成都建筑材料工业设计研究院有限公司 | Sealing structure of tube mill sliding shoe cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412386A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Sliding regulation type oil casing plugging sealer |
| CN112412386B (en) * | 2020-11-29 | 2023-02-24 | 江苏力克石油机械有限公司 | Sliding regulation type oil casing plugging sealer |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200918 |