CN202215743U - Mechanical sealing device - Google Patents
Mechanical sealing device Download PDFInfo
- Publication number
- CN202215743U CN202215743U CN2011203087155U CN201120308715U CN202215743U CN 202215743 U CN202215743 U CN 202215743U CN 2011203087155 U CN2011203087155 U CN 2011203087155U CN 201120308715 U CN201120308715 U CN 201120308715U CN 202215743 U CN202215743 U CN 202215743U
- Authority
- CN
- China
- Prior art keywords
- gland
- ring
- axle sleeve
- packing
- installation sheet
- 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- Withdrawn - After Issue
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a mechanical sealing device which comprises a rotation shaft, a shaft sleeve installed on the rotation shaft, a movable ring seat fixedly connected on the shaft sleeve, a movable ring installed in the movable ring seat and fixedly connected with the shaft sleeve, a static ring assembly in frictional matching with the movable ring, and a gland installed on the static ring assembly, wherein the movable ring seat is provided with pumping threads, a first spring and a cylindrical pin are arranged between the gland and the static ring assembly, a flow stop ring is arranged between the gland and the shaft sleeve and is internally provided with a second spring, a platen is installed on one side of the flow stop ring, an installation sheet is arranged on one side of the gland, a clamping slot for clamping the installation sheet is arranged in the shaft sleeve, one side of the shaft sleeve, positioned on the installation sheet, is provided with an upper expansion ring and a lower expansion ring, a water stop sleeve is installed on the rotation shaft, a labyrinth is formed between the water stop sleeve and the shaft sleeve, and the gland is further provided with a leakage port. The mechanical sealing device is better in sealing performance, and the leakage quantity of medium water is less.
Description
Technical field
The utility model relates to a kind of mechanical seal device.
Background technique
In industry such as petroleum refining and chemical industry; Have and surpass 80% conveying liquid medium rotating equipment employing mechanical seal; The zero effusion of mechanical seal, high reliability, long lifetime, low wearing and tearing etc. are the research and development directions in mechanical seal field; In the common mechanical seal arrangement, require WATER AS FLOW MEDIUM such as sealing cooling liquid or isolation buffer liquid can circulate, reduce the seal operation temperature to take away the heat that seal face produces.And in daily using process, often have WATER AS FLOW MEDIUM and from seal face, leak.
Therefore, be necessary to provide a kind of mechanical seal device that WATER AS FLOW MEDIUM is leaked that reduces.
The model utility content
The utility model technical problem to be solved is: provide a kind of and can reduce the mechanical seal device that WATER AS FLOW MEDIUM is leaked.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of mechanical seal device, it comprises: rotating shaft, be installed on axle sleeve in the rotating shaft, be immobilizated in rotating seat on the axle sleeve, be installed in the rotating seat and with axle sleeve mutually fixing rotating ring, with the static components of rotating ring frictional fit, be installed on the gland on the static components; Said rotating seat is provided with pumping thread; Be provided with axle sleeve O type circle between said axle sleeve and the rotating shaft, be provided with packing ring and stationary ring O type circle between said gland and the static components, be provided with first spring between said gland and the static components; Be provided with straight pin between said gland and the static components; Be provided with the ring that dams between said gland and the axle sleeve, in the said ring that dams second spring be installed, a said side of damming ring is equipped with pressing plate; One side of said gland is provided with installation sheet; Said axle sleeve is provided with the draw-in groove that holds installation sheet, and said axle sleeve is equipped with the cover that intercepts water at the following packing that a side of installation sheet is equipped with packing and matches with last packing in the said rotating shaft; Said intercepting water forms the labyrinth between cover and the axle sleeve, and said gland also is provided with leakage hole.
The beneficial effect of the utility model is: the beneficial effect of the utility model is: the step and the cover that intercepts water through axle sleeve one end produce the labyrinth seal effect; Effectively reduce the pressure of leaking medium; Leaking medium after the said step-down is through being equipped with second spring in the said ring that dams; The cover that intercepts water is installed in the said rotating shaft, said intercepting water when forming the labyrinth between cover and the axle sleeve, leaking medium pressure is lowered once more; Thereby can reduce the pressure that WATER AS FLOW MEDIUM is leaked greatly, thereby make it all guide to safe assembling position by leakage hole.
Description of drawings
Fig. 1 is the structural representation of mechanical seal device.
Among Fig. 1: 1, rotating shaft, 10, the cover that intercepts water, 100, mechanical seal device, 11, the labyrinth, 2, axle sleeve, 20, axle sleeve O type circle; 21, draw-in groove, 22, go up packing, 220, hex head screw, 23, packing down, 3, rotating seat, 4, rotating ring; 5, static components, 50, packing ring, 51, stationary ring O type circle, 6, gland, 60, first spring, 62, ring dams; 63, second spring, 64, pressing plate, 65, installation sheet, 650, hexagon socket cap head screw, 66, leakage hole.
Embodiment
See also Fig. 1, a kind of mechanical seal device 100, it comprises: rotating shaft 1, be installed on axle sleeve 2 in the rotating shaft 1, be immobilizated in rotating seat 3 on the axle sleeve 2, be installed in the rotating seat 3 and with axle sleeve 2 mutually fixing rotating ring 4, with the static components 5 of rotating ring 4 frictional fit, be installed on the gland 6 on the static components 5; Said rotating seat 3 is provided with pumping thread; Be provided with axle sleeve O type circle 20 between said axle sleeve 2 and the rotating shaft 1, be provided with packing ring 50 and stationary ring O type circle 51 between said gland 6 and the static components 5, be provided with first spring 60 between said gland 6 and the static components 5; Be provided with straight pin between said gland 6 and the static components 5; Thereby can prevent that gland 6 with respect to static components 5 rotations, is provided with the ring 62 that dams between said gland 6 and the axle sleeve 2, in the said ring 62 that dams second spring 63 is installed; A said side of damming ring 62 is equipped with pressing plate 64; One side of said gland 6 is provided with installation sheet 65, and said axle sleeve 2 is provided with the draw-in groove 21 that holds installation sheet 65, thereby makes gland 6 location.The following packing 23 that said axle sleeve 2 is equipped with packing 22 and matches with last packing 22 in a side of installation sheet 65, thereby fastening axle sleeve 2 being equipped with the cover 10 that intercepts water in the said rotating shaft 1, the said formation labyrinth 11 between cover 10 and the axle sleeve 2 of intercepting water.Said gland 6 also is provided with leakage hole 66, to get rid of the WATER AS FLOW MEDIUM of leaking, said going up between packing 22 and the following packing 23 through hex head screw 220 location.Said installation sheet 65 is through hexagon socket cap head screw 650 and gland 6 fixing mutually.
Said WATER AS FLOW MEDIUM is got into by import A; The centrifugal action of getting rid of liquid hole 30 through rotating seat 3 throws away WATER AS FLOW MEDIUM from get rid of liquid hole 30, thereby WATER AS FLOW MEDIUM is flowed out from outlet B; Get in the cooling unit then and cool off, more cooled cooling liquid is sent in the import A.
The utility model produces the labyrinth seal effect through the step of axle sleeve 2 one ends with the cover 10 that intercepts water; Effectively reduce the pressure of leaking medium, the leaking medium after the said step-down is equipped with the cover 10 that intercepts water through in the said ring 62 that dams second spring being installed in the said rotating shaft; Said intercepting water when forming the labyrinth between cover 10 and the axle sleeve 2; Leaking medium pressure is lowered once more, thereby can reduce the pressure that WATER AS FLOW MEDIUM is leaked greatly, thereby makes it all guide to safe assembling position by leakage hole.
Claims (3)
1. mechanical seal device; It is characterized in that: this mechanical seal device comprises: rotating shaft, be installed on axle sleeve in the rotating shaft, be immobilizated in rotating seat on the axle sleeve, be installed in the rotating seat and with axle sleeve mutually fixing rotating ring, with the static components of rotating ring frictional fit, be installed on the gland on the static components, said rotating seat is provided with pumping thread, is provided with axle sleeve O type circle between said axle sleeve and the rotating shaft; Be provided with packing ring and stationary ring O type circle between said gland and the static components; Be provided with first spring between said gland and the static components, be provided with straight pin between said gland and the static components, be provided with the ring that dams between said gland and the axle sleeve; In the said ring that dams second spring is installed; A said side of damming ring is equipped with pressing plate, and a side of said gland is provided with installation sheet, and said axle sleeve is provided with the draw-in groove that holds installation sheet; The following packing that said axle sleeve is equipped with packing and matches with last packing in a side of installation sheet; The cover that intercepts water is installed in the said rotating shaft, and said intercepting water forms the labyrinth between cover and the axle sleeve, and said gland also is provided with leakage hole.
2. a kind of mechanical seal device as claimed in claim 1 is characterized in that: said going up between packing and the following packing through the hex head screw location.
3. according to claim 1 or claim 2 a kind of mechanical seal device is characterized in that: said installation sheet is through hexagon socket cap head screw and gland fixing mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203087155U CN202215743U (en) | 2011-08-24 | 2011-08-24 | Mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203087155U CN202215743U (en) | 2011-08-24 | 2011-08-24 | Mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215743U true CN202215743U (en) | 2012-05-09 |
Family
ID=46014999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203087155U Withdrawn - After Issue CN202215743U (en) | 2011-08-24 | 2011-08-24 | Mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330819A (en) * | 2011-08-24 | 2012-01-25 | 江苏华青流体科技有限公司 | Mechanical sealing device |
-
2011
- 2011-08-24 CN CN2011203087155U patent/CN202215743U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330819A (en) * | 2011-08-24 | 2012-01-25 | 江苏华青流体科技有限公司 | Mechanical sealing device |
| CN102330819B (en) * | 2011-08-24 | 2012-10-31 | 江苏华青流体科技有限公司 | Mechanical sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |