CN203516853U - Ceramic core check valve - Google Patents
Ceramic core check valve Download PDFInfo
- Publication number
- CN203516853U CN203516853U CN201320533905.6U CN201320533905U CN203516853U CN 203516853 U CN203516853 U CN 203516853U CN 201320533905 U CN201320533905 U CN 201320533905U CN 203516853 U CN203516853 U CN 203516853U
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- China
- Prior art keywords
- valve
- intake tunnel
- flap
- axis
- channel
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- Expired - Fee Related
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Abstract
The utility model discloses a ceramic core check valve. The ceramic core check valve comprises a valve rod, a valve cover and a valve clack, wherein a water inlet channel and a water outlet channel which are respectively provided with a water inlet end and a water outlet end are arranged in the valve body, the axis where the water inlet channel is located in the longitudinal direction is perpendicular to the axis where the water outlet channel is located in the longitudinal direction, and the water outlet end of the water inlet channel is communicated with the water inlet end of the water outlet channel. The water outlet end of the water inlet channel extends and is provided with an installation channel communicated to the outside of the valve body, the axis where the installation channel is located in the longitudinal direction is in parallel with the axis where the water inlet channel is located in the longitudinal direction and is perpendicular to the axis where the water outlet channel is located in the longitudinal direction, the valve cover is arranged in the through port of the installation channel in a covering mode, the valve clack is attached to the outside of the water outlet end of the water inlet channel in a sealed mode, and a tensioning spring is arranged between the valve clack and the valve cover in a tensioned mode. The valve clack is a ceramic valve clack. Compared with the prior art, the ceramic core check valve has the advantages of being resistant to corrosion and abrasion and good in sealing performance.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of safety check.
Background technique
Safety check is widely used in the pressure duct of the industries such as various chemical industry, metallurgy, iron and steel.Existing safety check, its structure generally comprises valve rod, flap and valve gap, this valve inner have into, the intake tunnel of waterexit end and exhalant canal, the axis at the axis at this longitudinal place of intake tunnel and this longitudinal place of exhalant canal is perpendicular, and the waterexit end of this intake tunnel is connected with the feed-water end of this exhalant canal, the waterexit end extension of this intake tunnel is provided with the installation passage passing to outside valve body, this axis that longitudinal place of passage is installed parallels with the axis at the longitudinal place of intake tunnel, perpendicular with the axis at the longitudinal place of exhalant canal, be covered on to this valve bonnet seal in the port of this installation passage, this flap is attached at outside the waterexit end of this intake tunnel hermetically, between this flap and this valve gap, tensioning has a tension spring.During use, until medium when the feed-water end of intake tunnel flows into intake tunnel, if the pressure-acting of medium can produce the thrust to valve gap direction on flap, when now if medium thrust is greater than flap gravity, flap moves to valve gap direction, the waterexit end of flap and intake tunnel is separated, intake tunnel conducting, if the pressure medium at exhalant canal place acts on power on flap and adds when flap self gravitation is greater than the power of intake tunnel pressure-acting on flap, flap is closely attached on the waterexit end of intake tunnel, intake tunnel cut-off, stops medium to flow backwards.
Yet, conventional check valves, its flap is generally iron castings, and abrasion and corrosion easily occurs, thereby causes the overall tightness of safety check poor.
In view of this, the inventor furthers investigate the structure of safety check, then in this case, produces.
Model utility content
The purpose of this utility model is to provide a kind of ceramic core safety check of wear-resistant, corrosion-resistant and good airproof performance.
The technical solution of the utility model is such: a kind of ceramic core safety check, comprise valve rod, valve gap and flap, this valve inner have into, the intake tunnel of waterexit end and exhalant canal, the axis at the axis at this longitudinal place of intake tunnel and this longitudinal place of exhalant canal is perpendicular, and the waterexit end of this intake tunnel is connected with the feed-water end of this exhalant canal, the waterexit end extension of this intake tunnel is provided with the installation passage passing to outside valve body, this axis that longitudinal place of passage is installed parallels with the axis at the longitudinal place of intake tunnel, perpendicular with the axis at the longitudinal place of exhalant canal, be covered on to this valve bonnet seal in the port of this installation passage, this flap is attached at outside the waterexit end of this intake tunnel hermetically, between this flap and this valve gap, tensioning has a tension spring, above-mentioned flap is ceramic flap.
The external diameter of above-mentioned flap is greater than the waterexit end port bore of above-mentioned intake tunnel, and the place, waterexit end that is positioned at above-mentioned intake tunnel in above-mentioned valve body is concaved with for the accommodating containing groove of above-mentioned flap.
Adopt after technique scheme, a kind of ceramic core safety check of the present utility model, due to the ceramic body of flap for being made by ceramic material, high temperature resistant, corrosion-resistant, anti abrasive characteristic that pottery has, that is, compared with prior art, ceramic core safety check of the present utility model has corrosion-resistant, wear-resistant, and the feature of good airproof performance.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model.
In figure:
Exhalant canal 12 is installed passage 13
Containing groove 14 valve gaps 2
Flap 3 tension springs 4
Embodiment
A kind of ceramic core safety check of the present utility model, as shown in Figure 1, comprise valve body 1, valve gap 2 and flap 3, this valve body 1 inside have into, the intake tunnel 11 of waterexit end and exhalant canal 12, the axis at the axis at these intake tunnel 11 longitudinal places and this exhalant canal 12 longitudinal places is perpendicular, and the waterexit end of this intake tunnel 11 is connected with the feed-water end of this exhalant canal 12, the waterexit end extension of this intake tunnel 11 is provided with the installation passage 13 passing to outside valve body 1, this axis that passage 13 longitudinal places are installed parallels with the axis at intake tunnel 11 longitudinal places, perpendicular with the axis at exhalant canal 12 longitudinal places, this valve gap 2 is covered in the port of this installation passage 13 hermetically, this flap 3 is attached at outside the waterexit end of this intake tunnel 11 hermetically, between this flap 3 and this valve gap 2, tensioning has a tension spring 4.Each modular construction of safety check of the present utility model is identical with each modular construction and the working principle of conventional check valves with working principle, and the applicant is not repeated at this.
Improvements of the present utility model are: flap 3 is ceramic flap, the external diameter of this flap 3 is greater than the waterexit end port bore of intake tunnel 11, and the place, waterexit end that is positioned at intake tunnel 11 in valve body 1 is concaved with for flap 3 stretches out the accommodating containing groove 14 in position outside intake tunnel 11.
A kind of ceramic core safety check of the present utility model, due to the ceramic body of flap 3 for being made by ceramic material, high temperature resistant, corrosion-resistant, anti abrasive characteristic that pottery has, that is, compared with prior art, safety check of the present utility model has corrosion-resistant, wear-resistant, and the feature of good airproof performance.Due to the external diameter of flap 3, be greater than again the waterexit end port bore of intake tunnel 11, can increase like this fitting area of 3 pairs of intake tunnel 11 waterexit ends of flap, make the sealing effect of 3 pairs of intake tunnel 11 waterexit ends of flap better.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (2)
1. a ceramic core safety check, comprise valve rod, valve gap and flap, this valve inner have into, the intake tunnel of waterexit end and exhalant canal, the axis at the axis at this longitudinal place of intake tunnel and this longitudinal place of exhalant canal is perpendicular, and the waterexit end of this intake tunnel is connected with the feed-water end of this exhalant canal, the waterexit end extension of this intake tunnel is provided with the installation passage passing to outside valve body, this axis that longitudinal place of passage is installed parallels with the axis at the longitudinal place of intake tunnel, perpendicular with the axis at the longitudinal place of exhalant canal, be covered on to this valve bonnet seal in the port of this installation passage, this flap is attached at outside the waterexit end of this intake tunnel hermetically, between this flap and this valve gap, tensioning has a tension spring, it is characterized in that: above-mentioned flap is ceramic flap.
2. a kind of ceramic core safety check according to claim 1, it is characterized in that: the external diameter of above-mentioned flap is greater than the waterexit end port bore of above-mentioned intake tunnel, the place, waterexit end that is positioned at above-mentioned intake tunnel in above-mentioned valve body is concaved with for the accommodating containing groove of above-mentioned flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533905.6U CN203516853U (en) | 2013-08-29 | 2013-08-29 | Ceramic core check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533905.6U CN203516853U (en) | 2013-08-29 | 2013-08-29 | Ceramic core check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516853U true CN203516853U (en) | 2014-04-02 |
Family
ID=50375785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320533905.6U Expired - Fee Related CN203516853U (en) | 2013-08-29 | 2013-08-29 | Ceramic core check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577607A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Check valve and rotor compressor |
-
2013
- 2013-08-29 CN CN201320533905.6U patent/CN203516853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577607A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Check valve and rotor compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20160829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |