CN103573688A - Built-in type single mechanical seal structure of plastic pump - Google Patents
Built-in type single mechanical seal structure of plastic pump Download PDFInfo
- Publication number
- CN103573688A CN103573688A CN201310530984.XA CN201310530984A CN103573688A CN 103573688 A CN103573688 A CN 103573688A CN 201310530984 A CN201310530984 A CN 201310530984A CN 103573688 A CN103573688 A CN 103573688A
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- impeller
- spring
- static
- built
- type single
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Abstract
The invention discloses a built-in type single mechanical seal structure of a plastic pump. The seal structure comprises a plastic impeller, a moving ring, a static ring, a pump cover and a static ring gland, wherein the impeller is a plastic impeller; the moving ring is mounted on the back of the impeller; the static ring matched with the moving ring is arranged in the pump cover and connected with the static ring gland through a spring; the spring is static and is not contacted with media; and the pump cover is connected with the static ring gland. The built-in type single mechanical seal structure has the benefits as follows: the mechanical seal moving ring is mounted on the back of the impeller, so that the rotation accuracy of the moving ring is easy to guarantee; the spring is static and is not contacted with the media, centrifugal deformation and elastic force fluctuation can be avoided due to the fact that the spring is static, and the spring can be prevented from being corroded by the media due to the fact that the spring is not contacted with the media, so that the mechanical seal stability is improved, and the service life is prolonged; and the flowing direction of the media in the built-in type structure is opposite to the direction of centrifugal force, the sealing performance is good, the media are not prone to leakage, and the structure is safe and reliable.
Description
Technical field
The present invention relates to a kind of mechanical seal structure, more specifically, it relates to a kind of plastic pump built-in type single mechanical end face seal structure.
Background technique
Prior art is external-mounted structure, and MEDIA FLOW is to identical with centrifugal force direction, and in pump chamber, severe corrosive, high temperature, poisonous, inflammable, the easily past external leakage of explosion hazard medium, exist potential safety hazard.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide a kind of rational in infrastructure, good airproof performance, medium is difficult for leaking, safe and reliable plastic pump built-in type single mechanical end face seal structure.
The object of the invention is to be achieved through the following technical solutions: this plastic pump built-in type single mechanical end face seal structure, the impeller, rotating ring, stationary ring, pump cover and the seal end plate that comprise plastics, described impeller is plastic impeller, wherein rotating ring is arranged on the back side of impeller, the stationary ring coordinating with rotating ring is located in pump cover, stationary ring connects seal end plate by spring, spring be static not with medium contact, described pump cover connects seal end plate.
As preferably: be provided with impeller inserts in described impeller.
As preferably: described seal end plate and impeller fitting surface are provided with oil sealing, and described oil sealing has a circle groove to be provided with wear-resistant sleeve.
As preferably: integral body is the inside seal of in-flow structure.
The invention has the beneficial effects as follows: mechanical sealing linkage ring is arranged on the plastic impeller back side, the running accuracy of rotating ring is easily guaranteed; Spring be static not with medium contact, spring is static avoids centrifugal distortion and elastic force fluctuation, contact medium has not avoided spring by dielectric corrosion, thereby improves stability and the working life of mechanical seal; Built-in type structured media flows to and centrifugal force opposite direction, good airproof performance, and medium is difficult for leaking, safe and reliable.Inside seal is in-flow structure, is more conducive to sealing and the Security of mechanical seal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Description of reference numerals: impeller inserts 1, impeller 2, rotating ring 3, stationary ring 4, pump cover 5, seal end plate 6, oil sealing 7, wear-resistant sleeve 8, spring 9.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.Although the present invention is described in connection with preferred embodiment, should know, do not represent to limit the invention in described embodiment.On the contrary, the present invention is by alternative, modified model and the equivalent contained in the scope of the present invention that can be included in attached claims restriction.
As shown in Figure 1, this plastic pump built-in type single mechanical end face seal structure, comprises impeller 2, rotating ring 3, stationary ring 4, pump cover 5 and the seal end plate 6 of plastics, and described impeller 2 is plastic impeller, in described impeller 2, is provided with impeller inserts 1.Wherein rotating ring 3 is arranged on the back side of impeller 2, and the stationary ring 4 that rotating ring 3 coordinates is located in pump cover 5, and stationary ring 4 connects seal end plates 6 by spring 9, spring 9 be static not with medium contact, described pump cover 5 connects seal end plates 6.Described seal end plate 6 and impeller fitting surface are provided with oil sealing 7, and described oil sealing 7 has a circle groove to be provided with wear-resistant sleeve 8.Integral body is the inside seal of in-flow structure.
Claims (4)
1. a plastic pump built-in type single mechanical end face seal structure, it is characterized in that: the impeller (2), rotating ring (3), stationary ring (4), pump cover (5) and the seal end plate (6) that comprise plastics, described impeller (2) is plastic impeller, wherein rotating ring (3) is arranged on the back side of impeller (2), and the stationary ring (4) that rotating ring (3) coordinates is located in pump cover (5), stationary ring (4) connects seal end plate (6) by spring (9), spring (9) be static not with medium contact, described pump cover (5) connects seal end plate (6).
2. plastic pump built-in type single mechanical end face seal structure according to claim 1, is characterized in that: in described impeller (2), be provided with impeller inserts (1).
3. plastic pump built-in type single mechanical end face seal structure according to claim 1, it is characterized in that: described seal end plate (6) and impeller fitting surface are provided with oil sealing (7), described oil sealing (7) has a circle groove to be provided with wear-resistant sleeve (8).
4. plastic pump built-in type single mechanical end face seal structure according to claim 1, is characterized in that: integral body is the inside seal of in-flow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530984.XA CN103573688A (en) | 2013-10-31 | 2013-10-31 | Built-in type single mechanical seal structure of plastic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530984.XA CN103573688A (en) | 2013-10-31 | 2013-10-31 | Built-in type single mechanical seal structure of plastic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103573688A true CN103573688A (en) | 2014-02-12 |
Family
ID=50046211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310530984.XA Pending CN103573688A (en) | 2013-10-31 | 2013-10-31 | Built-in type single mechanical seal structure of plastic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103573688A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032660U (en) * | 1988-04-23 | 1989-02-15 | 阎俊仁 | Fully enclosed centrifugal pump |
| CN2153657Y (en) * | 1992-12-14 | 1994-01-19 | 何大刚 | Mechanical sealing for single end face static pump |
| JP2004293765A (en) * | 2003-03-28 | 2004-10-21 | Mitsubishi Heavy Ind Ltd | Mechanical seal structure |
| CN202468439U (en) * | 2011-12-22 | 2012-10-03 | 安徽江南泵阀有限公司 | Built-in type antilock mechanical sealing structure for fluorine plastic pumps |
| CN203570653U (en) * | 2013-10-31 | 2014-04-30 | 陈潜 | Built-in type single mechanical seal structure of plastic pump |
-
2013
- 2013-10-31 CN CN201310530984.XA patent/CN103573688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032660U (en) * | 1988-04-23 | 1989-02-15 | 阎俊仁 | Fully enclosed centrifugal pump |
| CN2153657Y (en) * | 1992-12-14 | 1994-01-19 | 何大刚 | Mechanical sealing for single end face static pump |
| JP2004293765A (en) * | 2003-03-28 | 2004-10-21 | Mitsubishi Heavy Ind Ltd | Mechanical seal structure |
| CN202468439U (en) * | 2011-12-22 | 2012-10-03 | 安徽江南泵阀有限公司 | Built-in type antilock mechanical sealing structure for fluorine plastic pumps |
| CN203570653U (en) * | 2013-10-31 | 2014-04-30 | 陈潜 | Built-in type single mechanical seal structure of plastic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |