CN203272782U - Sealing device - Google Patents
Sealing device Download PDFInfo
- Publication number
- CN203272782U CN203272782U CN 201320247306 CN201320247306U CN203272782U CN 203272782 U CN203272782 U CN 203272782U CN 201320247306 CN201320247306 CN 201320247306 CN 201320247306 U CN201320247306 U CN 201320247306U CN 203272782 U CN203272782 U CN 203272782U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- chamber end
- hole
- groove
- end cap
- 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
Links
Abstract
The utility model relates to a sealing device which comprises a center body and an air chamber end cover, wherein a first through hole and a second through hole are formed in the center body and the air chamber end cover respectively, and the center body and the air chamber end cover are connected and fixed by a bolt and a nut; and a groove is formed in the position of the second through hole in the air chamber end cover, and a sealing ring is arranged in the groove. During the using process of the sealing device, the bolt and the air chamber end cover are completely sealed by the sealing ring in the groove, so that the sealing performance of connection and fixation of the center body and the air chamber end cover is effectively improved, and the security performance of a pneumatic diaphragm pump is improved.
Description
Technical field
The utility model relates to a kind of use at the membrane pump with pneumatic drive upper sealing device.
Background technique
Prior art is also by being fixed between bolt 5 and bolt 6 as being connected between centerbody 1 as described in accompanying drawing 1 and air chamber end cap 2, owing to existing air current flow in centerbody 1 and air chamber end cap 2, inevitably exist the gap between the first through hole 3 in bolt 5 and centerbody 1 and the second through hole 4 in air chamber end cap 2, make like this Leakage Gas in membrane pump with pneumatic drive, formation flows to, and then makes the Liquid Penetrant that transports.
The model utility content
The utility model purpose is that a kind of seal arrangement is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of seal arrangement, comprise centerbody and air chamber end cap, and described centerbody and air chamber end cap have the first through hole and the second through hole separately, and are connected and fixed with bolts and nuts; Described air chamber end cap is provided with groove in the position of the second through hole, and in groove, seal ring is set.
Preferably, described groove is arranged on the air chamber end cap away from a side of centerbody.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Seal arrangement described in the utility model, because described air chamber end cap is provided with groove in the position of the second through hole, and seal ring is set in groove, make sealing fully between bolt and the second through hole, effectively improve the sealing that is connected and fixed between centerbody and air chamber end cap, and then improved the security performance of membrane pump with pneumatic drive.
Description of drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the sectional view of the described seal arrangement of prior art;
Accompanying drawing 2 is the sectional view of seal arrangement described in the utility model;
Wherein: 1, centerbody; 2, air chamber end cap; 3, the first through hole; 4, the second through hole; 5, bolt; 6, nut; 7, groove; 8, seal ring.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Accompanying drawing 2 is a kind of seal arrangement described in the utility model, comprises centerbody 1 and air chamber end cap 2, and described centerbody 1 has the first through hole 3 and the second through hole 4 separately with air chamber end cap 2, and is connected and fixed with bolt 5 and nut 6; Described air chamber end cap 2 is provided with groove 7 in the position of the second through hole 4, and at the interior seal ring 8 that arranges of groove 7.
Wherein said groove 7 is arranged on air chamber end cap 2 away from a side of centerbody 1.。
Seal arrangement described in the utility model is in the process of using, the seal ring 8 that is provided with in groove 7 between its bolt 5 and air chamber end cap 2 seals fully, effectively improve the sealing that is connected and fixed between centerbody 1 and air chamber end cap 2, and then improved the security performance of membrane pump with pneumatic drive.
Be only below concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, within all dropping on the utility model rights protection scope.
Claims (2)
1. seal arrangement is characterized in that: comprise centerbody (1) and air chamber end cap (2), described centerbody (1) has the first through hole (3) and the second through hole (4) separately with air chamber end cap (2), and is connected and fixed with bolt (5) and nut (6); It is characterized in that: described air chamber end cap (2) is provided with groove (7) in the position of the second through hole (4), and in groove (7), seal ring (8) is set.
2. seal arrangement according to claim 1, it is characterized in that: described groove (7) is arranged on air chamber end cap (2) away from a side of centerbody (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247306 CN203272782U (en) | 2013-05-06 | 2013-05-06 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247306 CN203272782U (en) | 2013-05-06 | 2013-05-06 | Sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272782U true CN203272782U (en) | 2013-11-06 |
Family
ID=49503198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247306 Expired - Fee Related CN203272782U (en) | 2013-05-06 | 2013-05-06 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272782U (en) |
-
2013
- 2013-05-06 CN CN 201320247306 patent/CN203272782U/en not_active Expired - Fee Related
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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: 20131106 Termination date: 20140506 |