CN111692339A - Rotary butt type sealing device - Google Patents
Rotary butt type sealing device Download PDFInfo
- Publication number
- CN111692339A CN111692339A CN202010533821.7A CN202010533821A CN111692339A CN 111692339 A CN111692339 A CN 111692339A CN 202010533821 A CN202010533821 A CN 202010533821A CN 111692339 A CN111692339 A CN 111692339A
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- CN
- China
- Prior art keywords
- ring
- ring body
- periphery
- groove
- driving
- 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.)
- Withdrawn
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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 rotary butt type sealing device which comprises a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a fine motion adjusting mechanism, wherein the connecting ring body is connected with the inner side ring body; the two ends of the cross thread groove of the positioning rod are respectively communicated with the locking groove of the hard ring body and the locking groove of the driving ring, so that a rotary abutting screw rod is respectively and rotatably arranged in the cross thread groove in the positioning rod, the outer end of the rotary abutting screw rod is arranged in the locking groove of the hard ring body, and the inner end of the rotary abutting screw rod is arranged in the locking groove of the driving ring.
Description
Technical Field
The present invention relates to a rotary abutting type sealing device.
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 cannot 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: the rotary butt type sealing device has a locking structure, firm butt, good sealing performance and a finely-adjustable butt caliber.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a rotary butt type sealing device comprises a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a fine 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, a guide post and a rotary abutting screw rod; 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; 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; the inner side of the annular clamping groove of the driving ring is communicated with a locking annular groove; two sides of the hard ring body are respectively provided with a locking groove; a cross-connection thread groove is formed in the positioning rod; two ends of the cross thread groove of the positioning rod are respectively communicated with the locking groove of the hard ring body and the locking ring groove of the driving ring; a rotary abutting screw is rotatably arranged in the penetrating thread groove in the positioning rod respectively; the outer end of the rotary abutting screw rod is arranged in the locking groove of the hard ring body, and the inner end of the rotary abutting screw rod is arranged in the locking groove of the driving ring; the inner end of the rotary abutting screw is rotatably abutted or separated to the inner wall of the locking ring groove connected to the driving ring.
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 height of the locking annular groove is smaller than the minimum height of the annular clamping groove.
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
1. The two ends of the cross thread groove of the positioning rod are respectively communicated with the locking groove of the hard ring body and the locking groove of the driving ring, so that a rotary abutting screw rod is respectively and rotatably arranged in the cross thread groove in the positioning rod, the outer end of the rotary abutting screw rod is arranged in the locking groove of the hard ring body, and the inner end of the rotary abutting screw rod is arranged in the locking groove of the driving ring.
2. 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 rotary butt type sealing device comprises a hard ring body 1, an inner side ring body 2, a connecting ring body 3, a sealing ring body 4 and a fine 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 fine adjustment mechanism 5 comprises a positioning rod 51, a driving ring 52, a driven ring 53, a guide cylinder 55, a guide column 54 and a rotary abutting screw 59; 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. 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 clamping teeth 511 at the inner end of the positioning rod 51 through annular clamping grooves 523 at the outer sides of the periphery; the inner side of the annular clamping groove 523 of the driving ring 52 is communicated with a locking ring groove 528; two sides of the hard ring body 1 are respectively provided with a locking groove 11; a cross-connection thread groove 515 is formed in the positioning rod 51; both ends of the threading thread groove 515 of the positioning rod 51 are respectively communicated with the locking groove 11 of the hard ring body 1 and the locking ring groove 528 of the driving ring 52; a rotary abutting screw 59 is rotatably mounted in each of the penetrating thread grooves 515 in the positioning rod 51; the outer end 591 of the rotary abutment screw 59 is mounted in the locking groove 11 of the rigid ring body 1, and the inner end 592 of the rotary abutment screw 59 is mounted in the locking ring groove 528 of the drive ring 52; the inner end 592 of the rotary abutment screw 59 is rotatably engaged against or disengaged from the inner wall of the locking ring groove 528 attached to the drive ring 52.
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 preferably, the height of the locking annular groove 528 is smaller than the minimum height of the annular catching groove 523. 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 two ends of the threading thread groove 515 of the positioning rod 51 are respectively communicated with the locking groove 11 of the hard ring body 1 and the locking ring groove 528 of the driving ring 52, so that the threading thread groove 515 inside the positioning rod 51 is respectively and rotatably provided with one rotating abutting screw 59, the outer end 591 of the rotating abutting screw 59 is arranged in the locking groove 11 of the hard ring body 1, and the inner end 592 of the rotating abutting screw 59 is arranged in the locking ring groove 528 of the driving ring 52, so that after the driving ring 52 is rotated and adjusted, the rotating abutting screw 59 is rotated, the inner end 592 of the rotating abutting screw 59 is rotatably abutted against the inner wall of the locking ring groove 528 of the driving ring 52, and thus a locking structure for the driving ring 52 is formed, and the abutting tightness of the sealing ring body 4 is further ensured.
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 rotary butt type sealing device is characterized by comprising a hard ring body, an inner side ring body, a connecting ring body, a sealing ring body and a fine 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, a guide post and a rotary abutting screw rod; 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; 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; the inner side of the annular clamping groove of the driving ring is communicated with a locking annular groove; two sides of the hard ring body are respectively provided with a locking groove; a cross-connection thread groove is formed in the positioning rod; two ends of the cross thread groove of the positioning rod are respectively communicated with the locking groove of the hard ring body and the locking ring groove of the driving ring; a rotary abutting screw is rotatably arranged in the penetrating thread groove in the positioning rod respectively; the outer end of the rotary abutting screw rod is arranged in the locking groove of the hard ring body, and the inner end of the rotary abutting screw rod is arranged in the locking groove of the driving ring; the inner end of the rotary abutting screw is rotatably abutted or separated to the inner wall of the locking ring groove connected to the driving ring.
2. The rotary butt seal apparatus according to claim 1, wherein one drive groove is provided on each of both sides of the inside of the drive ring; and a driving shifting block is arranged in each driving groove.
3. The rotary butt seal apparatus according to claim 1, wherein a height of the locking annular groove is smaller than a minimum height of the annular snap groove.
4. The rotary butt type sealing device according to claim 1, wherein a plurality of connecting buckles are respectively and uniformly arranged on the periphery of the inner sides of the upper and lower ends of the sealing 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 rotary butt seal as claimed in claim 1 wherein the inner ring, the connecting ring and the sealing ring are all made of rubber material.
6. The rotary butt seal of claim 1 wherein the hard ring is made of a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533821.7A CN111692339A (en) | 2020-06-12 | 2020-06-12 | Rotary butt type sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533821.7A CN111692339A (en) | 2020-06-12 | 2020-06-12 | Rotary butt type sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692339A true CN111692339A (en) | 2020-09-22 |
Family
ID=72480642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010533821.7A Withdrawn CN111692339A (en) | 2020-06-12 | 2020-06-12 | Rotary butt type sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692339A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412371A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Telescopic compensation type well flushing valve |
| 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 |
| CN112412385A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Clamping locking type oil casing pipe leaking stoppage sealer |
| CN112412351A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Oil production pipe anti-disengaging structure |
| CN113356782A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Embedded connection type oil pipe leaking stoppage sealer |
| CN113357477A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Automatic break away from pressure formula oil pipe leaking stoppage seal structure |
| CN114165169A (en) * | 2021-12-10 | 2022-03-11 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
-
2020
- 2020-06-12 CN CN202010533821.7A patent/CN111692339A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412371A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Telescopic compensation type well flushing valve |
| 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 |
| CN112412385A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Clamping locking type oil casing pipe leaking stoppage sealer |
| CN112412351A (en) * | 2020-11-29 | 2021-02-26 | 江苏力克石油机械有限公司 | Oil production pipe anti-disengaging structure |
| 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 |
| CN113356782A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Embedded connection type oil pipe leaking stoppage sealer |
| CN113357477A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Automatic break away from pressure formula oil pipe leaking stoppage seal structure |
| CN114165169A (en) * | 2021-12-10 | 2022-03-11 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
| CN114165169B (en) * | 2021-12-10 | 2023-06-27 | 江苏和信石油机械有限公司 | Interlocking type radial adjustable drill rod for rescue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200922 |