CN201723725U - Mechanical sealing device - Google Patents
Mechanical sealing device Download PDFInfo
- Publication number
- CN201723725U CN201723725U CN2010202314123U CN201020231412U CN201723725U CN 201723725 U CN201723725 U CN 201723725U CN 2010202314123 U CN2010202314123 U CN 2010202314123U CN 201020231412 U CN201020231412 U CN 201020231412U CN 201723725 U CN201723725 U CN 201723725U
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- CN
- China
- Prior art keywords
- sealing
- ring
- seat
- movable ring
- rotating
- 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 - Lifetime
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- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a mechanical sealing device, which comprises a sealing ring surface. The sealing ring surface includes a spring seat (2), a sealing fixed ring (3) and a sealing movable ring component, the spring seat (2) is fixedly sleeved on a shaft (1), the sealing movable ring component comprises a movable ring seat (4) and a sealing movable ring (5), the sealing fixed ring (3) is peripherally fixed into a pressing cover (6), the sealing movable ring component is pressed onto the sealing fixed ring (3) via a spring (7) in a matching manner, at least one positioning pin (8) is arranged on the end surface of one end, mounted with the sealing movable ring, of the movable ring seat (4), a pin hole (5.1) for embedding of the positioning pin (8) is arranged on the end surface of the sealing movable ring (5), and a sealing device is arranged at the connecting position of the movable ring seat (4) with the sealing movable ring (5). The mechanical sealing device effectively avoids sealing failure of the sealing movable ring and the movable ring seat under high temperature working condition.
Description
Technical field
The utility model relates to seal arrangement, specifically is a kind of mechanical seal device.
Background technique
The existing mechanical seal arrangement comprises seal chamber and sealing anchor ring, described seal ring face comprise fixedly sleeved on axle spring seat, stationary seal ring and the sealing moving ring assembly of fixedlying connected with axle, described sealing moving ring assembly comprises rotating seat and sealing rotating ring, described stationary seal ring circumferentially is fixed in the cavity of gland, described sealing moving ring assembly is force-fitted on the stationary seal ring by spring, directly drives with the spring close-fitting between described spring seat and the rotating seat.Sealing moving ring assembly in this mechanism rotates along with the rotation of axle, and stationary seal ring forms the sealing flour milling with the sealing rotating ring, forms liquid film in the sealing flour milling and realizes inner with extraneous mechanical seal, avoids extraneous working medium to leak into inside.But there is following shortcoming in the mechanical seal device of above prior art: because rotating seat and the employing of sealing rotating ring is interference fit and sealing, add and make its expansion reinstall the sealing rotating ring by the heating rotating seat man-hour, like this when actual conditions is higher than fitting temperature, thermal expansion when rotating seat surpasses assembling easily causes sealing rotating ring and rotating seat generation matching gap and makes seal failure.
The model utility content
Technical problem to be solved in the utility model is that a kind of mechanical seal device of effectively avoiding worst hot case lower seal rotating ring and rotating seat seal failure is provided.
For solving the problems of the technologies described above, a kind of mechanical seal device that the utility model provides, comprise the sealing anchor ring, described seal ring face comprises fixedly sleeved spring seat on axle, stationary seal ring, the sealing moving ring assembly, described sealing moving ring assembly comprises rotating seat and sealing rotating ring, described stationary seal ring circumferentially is fixed in the gland, described sealing moving ring assembly is force-fitted on the stationary seal ring by spring, the end end face that described rotating seat is installed the sealing rotating ring is provided with at least one positioning dowel, the end face of described sealing rotating ring is provided with the pin-and-hole that embeds for positioning dowel, and described rotating seat is provided with seal arrangement with the joint of sealing rotating ring.
After adopting above structure, the utility model mechanical seal device compared with prior art, have the following advantages: be provided with at least one positioning dowel because described rotating seat is installed an end end face of sealing rotating ring, the end face of described sealing rotating ring is provided with the pin-and-hole that embeds mutually with positioning dowel, the back positioning dowel is installed to be embedded in the corresponding pin-and-hole, like this when actual conditions is higher than fitting temperature, the thermal expansion when even rotating seat surpasses assembling, effect by positioning dowel and be located at the seal arrangement of rotating seat and the joint of sealing rotating ring, make rotating ring and rotating seat Spielpassung, and seal arrangement all with rotating ring and rotating seat interference fit, can effectively avoid sealing rotating ring and rotating seat seal failure like this.
As improvement, the quantity of described positioning dowel and the pin-and-hole that matches with it is two and evenly distribute along circumference, makes the stressed more even of sealing rotating ring and rotating seat, guarantees the reliability of driving.
As improvement, adopt shift fork to drive between described spring seat and the rotating seat and is connected, compare existing spring seat and rotating seat and directly drive dual mode by Cock screw or spring, compact overall structure, driving torque is big, is fit to the operating mode of complexity more.
Description of drawings
Figure is the structural representation of mechanical seal device of the present utility model.
As shown in the figure: 1, axle; 2, spring seat; 3, stationary seal ring; 4, rotating seat; 5, sealing rotating ring; 5.1, pin-and-hole; 6, gland; 7, spring; 8, positioning dowel.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in the figure, the mechanical seal device that the utility model provides, comprise the sealing anchor ring, described seal ring face comprises fixedly sleeved spring seat 2 on axle 1, stationary seal ring 3, the sealing moving ring assembly, described sealing moving ring assembly comprises rotating seat 4 and sealing rotating ring 5, described stationary seal ring 3 circumferentially is fixed in the gland 6, described sealing moving ring assembly is force-fitted on the stationary seal ring 3 by spring 7, the end end face that described rotating seat 4 is installed sealing rotating ring 5 is provided with at least one positioning dowel 8, the end face of described sealing rotating ring 5 is provided with the pin-and-hole 5.1 that embeds mutually with positioning dowel 8, described rotating seat 4 is provided with seal arrangement with the joint of sealing rotating ring 5, the sealing device is the O RunddichtringO, and described O RunddichtringO is linked between rotating seat 4 and the sealing rotating ring 5.
The quantity of described positioning dowel 8 and the pin-and-hole 5.1 that matches with it is two and evenly distribute along circumference.
Adopting shift fork to drive between described spring seat 2 and the rotating seat 4 is connected, its concrete structure is: an end end face of described spring seat 2 is provided with one or more projectioies, the end face of described rotating seat is provided with the groove that matches with described corresponding projection, after the installation, projection all is embedded in the corresponding groove, links to realize both.
Claims (3)
1. mechanical seal device, comprise the sealing anchor ring, described seal ring face comprises fixedly sleeved spring seat (2) on axle (1), stationary seal ring (3), the sealing moving ring assembly, described sealing moving ring assembly comprises rotating seat (4) and sealing rotating ring (5), described stationary seal ring (3) circumferentially is fixed in the gland (6), described sealing moving ring assembly is force-fitted on the stationary seal ring (3) by spring (7), it is characterized in that: the end end face that described rotating seat (4) is installed sealing rotating ring (5) is provided with at least one positioning dowel (8), the end face of described sealing rotating ring (5) is provided with the pin-and-hole (5.1) that embeds for positioning dowel (8), and described rotating seat (4) is provided with seal arrangement with the joint of sealing rotating ring (5).
2. mechanical seal device according to claim 1 is characterized in that: the quantity of described positioning dowel (8) and the pin-and-hole (5.1) that matches with it is two and evenly distribute along circumference.
3. mechanical seal device according to claim 1 is characterized in that: adopt shift fork to drive between described spring seat (2) and the rotating seat (4) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202314123U CN201723725U (en) | 2010-06-17 | 2010-06-17 | Mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202314123U CN201723725U (en) | 2010-06-17 | 2010-06-17 | Mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723725U true CN201723725U (en) | 2011-01-26 |
Family
ID=43492051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202314123U Expired - Lifetime CN201723725U (en) | 2010-06-17 | 2010-06-17 | Mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723725U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061266A (en) * | 2017-05-22 | 2017-08-18 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
| CN108071805A (en) * | 2017-12-13 | 2018-05-25 | 马鞍山市荣亿密封材料有限责任公司 | A kind of high speed shaft seal structure |
| CN110307343A (en) * | 2019-07-13 | 2019-10-08 | 江苏科奥流体科技有限公司 | A kind of spring type mechanical sealing |
-
2010
- 2010-06-17 CN CN2010202314123U patent/CN201723725U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061266A (en) * | 2017-05-22 | 2017-08-18 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
| CN108071805A (en) * | 2017-12-13 | 2018-05-25 | 马鞍山市荣亿密封材料有限责任公司 | A kind of high speed shaft seal structure |
| CN108071805B (en) * | 2017-12-13 | 2020-01-14 | 马鞍山市荣亿密封材料有限责任公司 | High-speed shaft sealing structure |
| CN110307343A (en) * | 2019-07-13 | 2019-10-08 | 江苏科奥流体科技有限公司 | A kind of spring type mechanical sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315104 Jin Yuan Road, Yinzhou investment and business center, Zhejiang, Ningbo, China, No. 666 Patentee after: Ningbo fu'erken Ceramic Technology Co. Ltd. Address before: 315104 Jin Yuan Road, Yinzhou investment and business center, Zhejiang, Ningbo, China, No. 666 Patentee before: Ningbo Vulcan Mechanical Seals Manufacturing Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315104 Jin Yuan Road, Yinzhou investment and entrepreneurship center, Ningbo, Zhejiang 666 Patentee after: Ningbo Vulcan Polytron Technologies Inc Address before: 315104 Jin Yuan Road, Yinzhou investment and entrepreneurship center, Ningbo, Zhejiang 666 Patentee before: Ningbo fu'erken Ceramic Technology Co. Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |