CN212657250U - Rotating adjusting type mechanical sealing device - Google Patents
Rotating adjusting type mechanical sealing device Download PDFInfo
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- CN212657250U CN212657250U CN202020421050.8U CN202020421050U CN212657250U CN 212657250 U CN212657250 U CN 212657250U CN 202020421050 U CN202020421050 U CN 202020421050U CN 212657250 U CN212657250 U CN 212657250U
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Abstract
The utility model discloses a rotating adjusting type mechanical sealing device, which comprises a static ring component, wherein the static ring component comprises a static ring main body, one end surface of the static ring main body is provided with an inwards concave ring groove, the other end surface of the static ring main body is provided with a shrinking sleeve, a shrinking gap is arranged on the shrinking sleeve, an inner connecting ring post is arranged on the static ring main body and is arranged at the periphery of the shrinking sleeve, the inner connecting ring post is provided with an external thread, and a mounting hole is arranged on the static ring main body; the movable ring assembly comprises a movable ring main body, one end face of the movable ring main body is provided with a clamping sleeve, an outer connecting ring column is arranged on the movable ring main body and is arranged at the periphery of the clamping sleeve, the outer connecting ring column is provided with internal threads, and the outer connecting ring column is in threaded connection with the inner connecting ring column; the sealing sleeve comprises a sealing ring body, and one end face of the sealing ring body is provided with a sealing sleeve body; and the compression spring is sleeved on the shrink sleeve and the clamping sleeve. The mechanical sealing device has the characteristics of multiple sealing, adjustability and good sealing performance.
Description
Technical Field
The utility model relates to a mechanical seal technical field, more specifically say, it relates to a formula mechanical seal device is adjusted to rotating.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elasticity of a compensation mechanism and the cooperation of an auxiliary seal. The elastic loading mechanism and the auxiliary seal are mechanical seals of metal corrugated pipes, which are called metal corrugated pipe seals. In light sealing, a rubber corrugated pipe is used as auxiliary sealing, the elasticity of the rubber corrugated pipe is limited, and a spring is generally required to be supplemented to meet the loading elasticity.
The mechanical seal on the market has various styles, complex structure and simple structure; most mechanical sealing structures realize the sealing between the container and the rotating shaft after the assembly is completed, but the sealing performance between the shaft and the container is weakened along with the prolonging of the service time, so that the sealing performance of the mechanical seal is reduced, the mechanical seal needs to be maintained or replaced, the loss rate is high, and the overall effect is poor. Accordingly, the utility model provides a rotating regulation formula mechanical seal device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a rotating regulation formula mechanical seal device, this mechanical seal device has multiple sealed, and is adjustable, characteristics that sealing performance is good.
In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to a pair of formula mechanical seal device is adjusted to rotating, include:
the static ring assembly comprises a static ring main body, wherein one end face of the static ring main body is provided with a concentric inner concave ring groove, the other end face of the static ring main body is provided with a tightening sleeve which extends forwards back to the static ring main body and the port of the tightening sleeve is gradually closed, the tightening sleeve is provided with at least two tightening gaps which extend inwards from the port of the tightening sleeve, the static ring main body is provided with an inner connecting ring column which extends forwards back to the static ring main body, the inner connecting ring column is concentrically arranged on the periphery of the tightening sleeve, the inner connecting ring column is provided with external threads, and the static ring main body is further provided with mounting holes which are distributed in an annular array around the axis of the static ring main body;
the movable ring assembly comprises a movable ring main body, a clamping sleeve extending forwards towards the static ring main body is arranged on one end face of the movable ring main body, the port part of the clamping sleeve extends into the clamping sleeve, an outer connecting ring column extending forwards towards the static ring main body is arranged on the movable ring main body, the outer connecting ring column is concentrically arranged on the periphery of the clamping sleeve, the outer connecting ring column is provided with an internal thread matched with the external thread, the outer connecting ring column is in threaded connection with the inner connecting ring column, and the outer wall face of the outer connecting ring column is provided with a pulling plane;
the sealing sleeve comprises a sealing ring body embedded on the concave ring groove, a sealing sleeve body extending forwards towards the moving ring main body is arranged on one end face of the sealing ring body, the sealing sleeve body extends out of the shrink sleeve, and an annular flanging which is outwards turned and wraps the port of the shrink sleeve is arranged at the port of the sealing sleeve body;
the compression spring is sleeved on the contraction sleeve and the clamping sleeve and embedded in the inner connecting ring column and the outer connecting ring column, and one end of the compression spring is abutted against the static ring main body and the other end of the compression spring is abutted against the dynamic ring main body.
The utility model discloses further set up to: the movable ring assembly further comprises an inner ring sleeve connected with the inner wall surface of the clamping sleeve, and a first sealing ring and a second sealing ring are embedded in the inner ring sleeve.
The utility model discloses further set up to: the first sealing ring and the second sealing ring are both rubber sealing rings with rectangular cross sections.
The utility model discloses further set up to: the connecting part of the tightening sleeve and the static ring main body is provided with a rebound ring groove, and the rebound ring groove is arranged on the outer wall surface of the tightening sleeve.
The utility model discloses further set up to: and a first sealing ring, a second sealing ring and a third sealing ring which are sequentially arranged from inside to outside are arranged on the other end face of the sealing ring body.
The utility model discloses further set up to: the first sealing ring, the second sealing ring and the third sealing ring are all arranged integrally with the sealing ring body.
The utility model discloses further set up to: the inner wall surface of the clamping sleeve is provided with an extruding convex ring close to the port of the clamping sleeve.
To sum up, the utility model discloses following beneficial effect has: the utility model relates to a rotating regulation type mechanical sealing device, which is characterized in that the mechanical sealing device is arranged at the connection part of a shaft and a container, a sealing sleeve is sleeved on a rotating shaft body, and a stationary ring component is fixed on the container by a fastener, so that the end surface and the lateral sealing are realized, and the sealing performance is good; and along with the extension of mechanical seal device live time, sealing performance descends, can be relative container moderate degree internal rotation ring subassembly, the internal connection ring post is further in the screw in external connection ring post, increases the degree of depth that the shrink-fit cover stretches into the chucking cover to this reduces the seal housing internal diameter, improves sealing performance, prolongs the life of mechanical seal main part, less maintenance, less change, safe and reliable, whole function is perfect, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the stationary ring assembly according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of the present invention for embodying a rotating ring assembly;
fig. 5 is a schematic structural diagram of the sealing sleeve according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 5, a rotary adjustable mechanical seal according to the present embodiment includes:
the static ring component comprises a static ring main body 11, wherein one end face of the static ring main body 11 is provided with a concentric inner concave ring groove 12, the other end face of the static ring main body 11 is provided with a tightening sleeve 13 which extends forwards back to the static ring main body 11 and the port of the tightening sleeve is gradually closed, the tightening sleeve 13 is provided with at least two tightening gaps 14 which extend inwards from the port of the tightening sleeve, the static ring main body 11 is provided with an inner connecting ring post 15 which extends forwards back to the static ring main body 11, the inner connecting ring post 15 is concentrically arranged on the periphery of the tightening sleeve 13, the inner connecting ring post 15 is provided with external threads 16, and the static ring main body 11 is further provided with mounting holes 17 which are distributed in an annular array around the axis of the static ring main body 11;
the movable ring assembly comprises a movable ring main body 21, a clamping sleeve 22 which extends forwards towards the static ring main body 11 is arranged on one end face of the movable ring main body 21, the port part of the clamping sleeve 13 extends into the clamping sleeve 22, an outer connecting ring column 23 which extends forwards towards the static ring main body 11 is arranged on the movable ring main body 21, the outer connecting ring column 23 is concentrically arranged at the periphery of the clamping sleeve 22, the outer connecting ring column 23 is provided with an internal thread 24 matched with the external thread 16, the outer connecting ring column 23 is in threaded connection with the inner connecting ring column 15, and the outer wall surface of the outer connecting ring column 23 is provided with a wrenching plane 25;
the sealing sleeve comprises a sealing ring body 31 embedded on the concave ring groove 12, a sealing sleeve body 32 extending forwards towards the moving ring main body 21 is arranged on one end face of the sealing ring body 31, the sealing sleeve body 32 extends out of the shrink sleeve 13, and the port of the sealing sleeve body is provided with an annular flanging 33 which is turned outwards and covers the port of the shrink sleeve 13;
and the compression spring 40 is sleeved on the compression sleeve 13 and the clamping sleeve 22 and embedded in the inner connecting ring column 15 and the outer connecting ring column 23, one end of the compression spring 40 is abutted against the static ring main body 11, and the other end of the compression spring 40 is abutted against the dynamic ring main body 21.
In this embodiment, the rotation adjustable mechanical sealing device is installed at the joint of the shaft and the container, the shaft body which rotates in the circumferential direction passes through the sealing ring body 31 and extends into the sealing sleeve body 32, the end part of the shaft body further extends out of the movable ring main body 21, the end surface of the sealing ring body 31 is attached to the outer wall surface of the container, and the stationary ring assembly is fixed on the container (or on a connecting flange which is externally installed corresponding to the container) after the screw passes through the installation hole 17, so that the end surface and the lateral sealing of the joint of the shaft and the container are realized. Wherein, the rotating ring component is connected with the inner connecting ring column 15 through the outer connecting ring column 23 in a threaded manner, so that the connection between the rotating ring component and the static ring component is realized.
With the increase of the whole service life of the mechanical sealing device, the shaft body properly abrades the inner wall surface of the seal sleeve body 32 to cause the sealing performance to be reduced, the outer connecting ring column 23 can be screwed inwards relative to the inner connecting ring column 15, so that the inner connecting ring column 15 further extends into the outer connecting ring column 23, the moving ring main body 21 is close to the stationary ring main body 11, the compression spring 40 is compressed in the period, the depth of the compression sleeve 13 extending into the clamping sleeve 22 is increased, the diameter of one side of the compression sleeve 13 close to the stationary ring main body 11 is gradually increased, so that the clamping sleeve 22 slowly has inward extrusion force on the compression sleeve 13, and the compression sleeve 13 is properly deformed inwards to extrude the seal sleeve body 32 inwards through the opening of the compression gap 14, so that the inner diameter of the seal sleeve body 32 is reduced, and the sealing performance is improved.
The rotation of the external connection ring post 23 can clamp the pulling plane 25 on the outer wall surface of the external connection ring post 23 through an external wrench, so that the external connection ring post 23 rotates relative to the internal connection ring post 15, and further adjustment is realized.
Further, the movable ring assembly further comprises an inner ring sleeve 26 connected with the inner wall surface of the clamping sleeve 22, and a first sealing ring 27 and a second sealing ring 28 are embedded on the inner ring sleeve 26. The inner ring sleeve 26 is used for embedding the first sealing ring 27 and the second sealing ring 28, so that the first sealing ring 27 and the second sealing ring 28 can be conveniently installed; the first sealing ring 27 and the second sealing ring 28 are arranged to serve as sealing functions for the end, away from the container, of the shaft body, so that the secondary sealing enhancement effect is achieved.
Further, the first sealing ring 27 and the second sealing ring 28 are both rubber sealing rings with rectangular cross sections, and are wear-resistant, easy to replace and long in service life.
Further, the resilience annular groove 18 has been seted up with the junction of quiet ring main part 11 to the cover 13 that contracts, and resilience annular groove 18 is established on the outer wall surface of the cover 13 that contracts, through seting up of resilience annular groove 18 for the cover 13 that contracts is stretching into the in-process of clamping sleeve 22, and the cover 13 that contracts need take place deformation, reduces the deformation restoring force that the junction of the cover 13 that contracts and quiet ring main part 11 produced, easily makes the cover 13 that contracts accomplish the reduction to the seal housing 32 internal diameter.
Furthermore, a first sealing ring 34, a second sealing ring 35 and a third sealing ring 36 which are sequentially arranged from inside to outside are arranged on the other end face of the sealing ring body 31, so that the end face sealing of the sealing ring body 31 at the connection position of the container and the shaft is realized, and the end face sealing effect is also enhanced.
Furthermore, the first sealing ring 34, the second sealing ring 35 and the third sealing ring 36 are all integrally arranged with the sealing ring body 31, so that the manufacturing and molding are convenient.
Furthermore, the inner wall surface of the clamping sleeve 22 is provided with an extrusion convex ring 29 close to the port of the clamping sleeve, and the addition of the extrusion convex ring 29 effectively increases the inward extrusion force of the clamping sleeve 22 on the tightening sleeve 13, so that the adjustment is convenient to realize.
The utility model relates to a rotating regulation type mechanical sealing device, which is characterized in that the mechanical sealing device is arranged at the connection part of a shaft and a container, a sealing sleeve is sleeved on a rotating shaft body, and a stationary ring component is fixed on the container by a fastener, so that the end surface and the lateral sealing are realized, and the sealing performance is good; and along with the extension of mechanical seal device live time, sealing performance descends, can be relative container moderate degree internal rotation ring subassembly, the internal connection ring post is further in the screw in external connection ring post, increases the degree of depth that the shrink-fit cover stretches into the chucking cover to this reduces the seal housing internal diameter, improves sealing performance, prolongs the life of mechanical seal main part, less maintenance, less change, safe and reliable, whole function is perfect, and the practicality is strong.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship based on the actual orientation or positional relationship shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A rotary motion adjustable mechanical seal, comprising:
the static ring assembly comprises a static ring main body, wherein one end face of the static ring main body is provided with a concentric inner concave ring groove, the other end face of the static ring main body is provided with a tightening sleeve which extends forwards back to the static ring main body and the port of the tightening sleeve is gradually closed, the tightening sleeve is provided with at least two tightening gaps which extend inwards from the port of the tightening sleeve, the static ring main body is provided with an inner connecting ring column which extends forwards back to the static ring main body, the inner connecting ring column is concentrically arranged on the periphery of the tightening sleeve, the inner connecting ring column is provided with external threads, and the static ring main body is further provided with mounting holes which are distributed in an annular array around the axis of the static ring main body;
the movable ring assembly comprises a movable ring main body, a clamping sleeve extending forwards towards the static ring main body is arranged on one end face of the movable ring main body, the port part of the clamping sleeve extends into the clamping sleeve, an outer connecting ring column extending forwards towards the static ring main body is arranged on the movable ring main body, the outer connecting ring column is concentrically arranged on the periphery of the clamping sleeve, the outer connecting ring column is provided with an internal thread matched with the external thread, the outer connecting ring column is in threaded connection with the inner connecting ring column, and the outer wall face of the outer connecting ring column is provided with a pulling plane;
the sealing sleeve comprises a sealing ring body embedded on the concave ring groove, a sealing sleeve body extending forwards towards the moving ring main body is arranged on one end face of the sealing ring body, the sealing sleeve body extends out of the shrink sleeve, and an annular flanging which is outwards turned and wraps the port of the shrink sleeve is arranged at the port of the sealing sleeve body;
the compression spring is sleeved on the contraction sleeve and the clamping sleeve and embedded in the inner connecting ring column and the outer connecting ring column, and one end of the compression spring is abutted against the static ring main body and the other end of the compression spring is abutted against the dynamic ring main body.
2. The swirl regulating mechanical seal of claim 1 wherein the rotating ring assembly further comprises an inner ring sleeve coupled to an inner wall surface of the clamping sleeve, the inner ring sleeve having a first seal ring and a second seal ring embedded therein.
3. The swirl regulating mechanical seal of claim 2 wherein the first and second seal rings are rubber seal rings having a rectangular cross-section.
4. The rotating adjustable mechanical seal of any of claims 1 to 3, wherein a resilient ring groove is formed in the connection between the shrink sleeve and the stationary ring body, the resilient ring groove being formed in the outer wall surface of the shrink sleeve.
5. The rotating adjustable mechanical seal of claim 4 wherein the opposite end of the seal ring body has a first seal ring, a second seal ring and a third seal ring arranged in sequence from the inside to the outside.
6. The swirl regulating mechanical seal of claim 5 wherein the first, second and third seal rings are each integral with the seal ring body.
7. The swirl regulating mechanical seal of claim 1 wherein the inner wall surface of the clamping sleeve has a crush collar adjacent its port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421050.8U CN212657250U (en) | 2020-03-28 | 2020-03-28 | Rotating adjusting type mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421050.8U CN212657250U (en) | 2020-03-28 | 2020-03-28 | Rotating adjusting type mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657250U true CN212657250U (en) | 2021-03-05 |
Family
ID=74766043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020421050.8U Active CN212657250U (en) | 2020-03-28 | 2020-03-28 | Rotating adjusting type mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212657250U (en) |
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2020
- 2020-03-28 CN CN202020421050.8U patent/CN212657250U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230413 Address after: Room 333, 3rd Floor, Building 2, No. 8, Zhuangchi Road, Qianyao Town, Jiashan County, Jiaxing City, Zhejiang Province, 314107 Patentee after: Zhejiang Fuge Intelligent Technology Co.,Ltd. Address before: Workshop 3-1, 28 Chengxi Avenue, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing bogman seal Co.,Ltd. Jiashan Jingang branch |