CN202597698U - Mechanical sealing device for rotating shaft - Google Patents
Mechanical sealing device for rotating shaft Download PDFInfo
- Publication number
- CN202597698U CN202597698U CN 201220269638 CN201220269638U CN202597698U CN 202597698 U CN202597698 U CN 202597698U CN 201220269638 CN201220269638 CN 201220269638 CN 201220269638 U CN201220269638 U CN 201220269638U CN 202597698 U CN202597698 U CN 202597698U
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- CN
- China
- Prior art keywords
- rotating shaft
- auxiliary device
- main body
- gland
- ring component
- 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 - Fee Related
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Abstract
The utility model discloses a mechanical sealing device for a rotating shaft. The mechanical sealing device comprises a limiting ring, a set screw, a positioning sleeve, a rotating ring component, a stationary ring component, a main spring, a standard part screw, a small spring, an auxiliary device gland, a jointing lug boss body, a copper gasket and a rotating shaft main body, wherein the limiting ring positioned by the set screw is arranged at one end of the rotating shaft main body; the positioning sleeve is arranged on the rotating shaft main body on one side of the limiting ring; the rotating ring component is clamped on the positioning sleeve; the stationary ring component is connected to the outer end of the rotating ring component; the auxiliary device gland is sleeved on the stationary ring component; the main spring is arranged between the outer end of the auxiliary device gland and a lug boss of the stationary ring component; the jointing lug boss body is arranged outside the auxiliary device gland; the small spring in a prestress form is arranged on the standard part screw; and the copper gasket is arranged on the outer lateral surface of the jointing lug boss body. The mechanical sealing device is wholly simple in structure, convenient to operate and high in stability and reliability.
Description
Technical field
The utility model relates to the component of machine auxiliary device, relates in particular to a kind of running shaft mechanical seal device.
Background technique
The conventional mechanical sealing of existing technology; Rotating ring that is adopted or stationary ring are as secondary seal; Wherein have at least one to be the effect that utilizes the elastic force that mechanical seal self had; Perhaps realize the effect that seals, adopt this seal form mainly to rely on design and mach fine degree, but the preload pressure of this sealing is difficult for adjusting through certain matching allowance.
The model utility content
The purpose of the utility model is, overcomes the deficiency of existing technology, and a kind of running shaft mechanical seal device is provided, and can conveniently adjust, and especially can control the preload pressure of secondary seal effectively.
The described a kind of running shaft mechanical seal device of the utility model includes limited ring, Cock screw, setting sleeve, moving ring assembly, static components, main spring, standard piece screw, little spring, auxiliary device gland, butt joint boss body, copper pad and rotating shaft main body.The rotating shaft main body is the main component of the utility model, and whole cylindrical structure is at an end of rotating shaft main body; Be provided with limited ring, on the rotating shaft main body of a side of limited ring, be provided with setting sleeve with Cock screw location; Have moving ring assembly to be installed on the setting sleeve, the outer end of moving ring assembly is connected with static components, is provided with the auxiliary device gland with the form of being inserted on the static components; Outer end at the auxiliary device gland is arrived between the boss of static components, is provided with main spring, the outside of auxiliary device gland; Be provided with butt joint boss body; Butt joint boss body and auxiliary device gland adopt the standard piece screw to link together, and loosening in order to prevent that the standard piece screw from taking place, the standard piece screw is provided with the little spring of prestressing force form.On the outer side surface of butt joint boss body, be provided with copper pad.
The described a kind of running shaft mechanical seal device of the utility model, overall structure is simple, and is easy for operation, good stability, reliability is high.Use the described a kind of running shaft mechanical seal device of the utility model, can conveniently adjust, especially can control the preload pressure of secondary seal effectively.
Description of drawings
Accompanying drawing 1 is the structural representation of the said a kind of running shaft mechanical seal device of the utility model.1-limited ring, 2-Cock screw, 3-setting sleeve, 4-moving ring assembly, 5-static components, 6-main spring, 7-standard piece screw, 8-little spring, 9-auxiliary device gland 10-butt joint boss body 11-copper pad 12-rotating shaft main body.
Embodiment
Existing with reference to accompanying drawing 1; Explain as follows in conjunction with embodiment: the described a kind of running shaft mechanical seal device of the utility model includes limited ring 1, Cock screw 2, setting sleeve 3, moving ring assembly 4, static components 5, main spring 6, standard piece screw 7, little spring 8, auxiliary device gland 9, butt joint boss body 10, copper pad 11 and rotating shaft main body 12.Rotating shaft main body 12 is main components of the utility model, and whole cylindrical structure is at an end of rotating shaft main body 12; Be provided with limited ring 1, on the rotating shaft main body 12 of a side of limited ring 1, be provided with setting sleeve 3 with Cock screw 2 location; Have moving ring assembly 4 to be installed on the setting sleeve 3, the outer end of moving ring assembly 4 is connected with static components 5, is provided with auxiliary device gland 9 with the form of being inserted on the static components 5; Outer end at auxiliary device gland 9 is arrived between the boss of static components 5, is provided with main spring 6, the outside of auxiliary device gland 9; Be provided with butt joint boss body 10; Butt joint boss body 10 adopts standard piece screw 7 to link together with auxiliary device gland 9, and loosening in order to prevent that standard piece screw 7 from taking place, standard piece screw 7 is provided with the little spring 8 of prestressing force form.On the outer side surface of butt joint boss body 10, be provided with copper pad 11.The described a kind of running shaft mechanical seal device of the utility model, overall structure is simple, and is easy for operation, good stability, reliability is high.Use the described a kind of running shaft mechanical seal device of the utility model, can conveniently adjust, especially can control the preload pressure of secondary seal effectively.
Claims (1)
1. running shaft mechanical seal device; Include limited ring (1), Cock screw (2), setting sleeve (3), moving ring assembly (4), static components (5), main spring (6), standard piece screw (7), little spring (8), auxiliary device gland (9), butt joint boss body (10), copper pad (11) and rotating shaft main body (12); Rotating shaft main body (12) is a main component, and whole cylindrical structure is characterized in that the end in rotating shaft main body (12); Be provided with limited ring (1) with Cock screw (2) location; On the rotating shaft main body (12) of a side of limited ring (1), be provided with setting sleeve (3), there is moving ring assembly (4) to be installed on the setting sleeve (3); The outer end of moving ring assembly (4) is connected with static components (5); Static components (5) goes up and is provided with auxiliary device gland (9) with the form of being inserted in, and arrives between the boss of static components (5) in the outer end of auxiliary device gland (9), is provided with main spring (6); The outside of auxiliary device gland (9); Be provided with butt joint boss body (10), butt joint boss body (10) adopts standard piece screw (7) to link together with auxiliary device gland (9), and standard piece screw (7) is provided with the little spring (8) of prestressing force form; On the outer side surface of butt joint boss body (10), be provided with copper pad (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269638 CN202597698U (en) | 2012-06-08 | 2012-06-08 | Mechanical sealing device for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269638 CN202597698U (en) | 2012-06-08 | 2012-06-08 | Mechanical sealing device for rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202597698U true CN202597698U (en) | 2012-12-12 |
Family
ID=47315237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220269638 Expired - Fee Related CN202597698U (en) | 2012-06-08 | 2012-06-08 | Mechanical sealing device for rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202597698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352985A (en) * | 2013-07-19 | 2013-10-16 | 合肥艾普拉斯环保科技有限公司 | Translational sealing device |
-
2012
- 2012-06-08 CN CN 201220269638 patent/CN202597698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352985A (en) * | 2013-07-19 | 2013-10-16 | 合肥艾普拉斯环保科技有限公司 | Translational sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130608 |