CN205226575U - Sealed floater of exhaust aeration valve - Google Patents
Sealed floater of exhaust aeration valve Download PDFInfo
- Publication number
- CN205226575U CN205226575U CN201521041851.7U CN201521041851U CN205226575U CN 205226575 U CN205226575 U CN 205226575U CN 201521041851 U CN201521041851 U CN 201521041851U CN 205226575 U CN205226575 U CN 205226575U
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- spheroid
- floater
- utility
- model
- ball float
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Abstract
The utility model provides a sealed floater of exhaust aeration valve, including the floater spheroid, the spheroid is hemispherical, spheroidal bottom is connected with the one end of cylinder, the other end of cylinder and the edge connection of outside convex spherical crown, the mutual sealing connection of outer wall of spheroid, spherical crown and cylinder. The beneficial effects of the utility model are that: adopt above -mentioned technical scheme, not only can increase buoyancy, increase the area of contact of floater and gas vent sealing washer simultaneously to sealing force between increase gas vent sealing washer and floater improves the low pressure seal effect. Add and to establish the guide bar and can guarantee that the floater can only the up -and -down motion, avoid the floater to produce in the valve body that roll and to damage the surface influence sealed, also can guarantee the relatively fixed of spheroid and sealing washer contact position.
Description
Technical field
The utility model belongs to valve field, especially relates to a kind of exhaust aeration valve sealed ball float.
Background technique
Exhaust aeration valve is mainly arranged on the height point of aqueduct or has the place of holding one's breath, the air be used in purging line, improve emptying effectiveness, reduce pipeline and there is the corrosion produced because of air, be rapidly in pipeline when negative pressure appears in pipeline simultaneously and fill into gas, avoid pipeline form vacuum and produce booster.After in pipeline, air is got rid of, the ball float in exhaust aeration valve contacts with relief opening to be formed and seals under buoyancy of water effect, prevents liquid in pipeline from discharging.The guide rod that general ball float does not arrange guide rod or setting easily and spheroid come off thus lose leading role.And the spherical part due to ball float is spheroidal, by valve body structure size affect that sphere size can not design too large, easily produce relief opening Seepage when pipeline pressure is lower, cause the waste of water resources; And easily cause ball float to be blown afloat closed relief opening when pipeline inner air pressure is larger, thus exhaust aeration valve is caused to lose scavenging action.
Summary of the invention
In view of this, the utility model is intended to propose a kind of exhaust aeration valve sealed ball float.
The technical solution of the utility model is achieved in that
A kind of exhaust aeration valve sealed ball float, comprise ball float spheroid, described spheroid is hemispherical, the bottom margin of described spheroid is connected with one end of cylindrical sidewall, the edge conjunction of the described cylindrical the other end and outwardly spherical crown, described spheroid, spherical crown and cylindrical outer wall are tightly connected mutually.
Further, described spheroid top and or the top of described spherical crown be provided with guide rod.
Further, the top of described spheroid and or the top of described spherical crown have aperture, one end of described guide rod is stretched in aperture and is fixed.
Further, described guide rod is fixed by welding.
Further, the diameter of described spheroid equals described cylindrical cross-sectional diameter.
The advantage that the utility model has and good effect are: adopt technique scheme, not only buoyancy can be increased, increase the area of contact of ball float and relief opening seal ring simultaneously, thus increase the sealing force between relief opening seal ring and ball float, improve low pressure seal effect.Add guide rod and can ensure that ball float can only move up and down, avoid ball float in valve body, produce rolling and damaging surface impact sealing, also can ensure the relative fixing of spheroid and seal ring contact position.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
In figure:
1, spheroid 2, spherical crown 3, guide rod 4, cylindrical body
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model; those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite; all belong to the scope of the utility model protection; when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Secondly; the utility model is described in detail in conjunction with schematic diagram; when describing the utility model embodiment in detail; for ease of explanation; the sectional drawing of indication device part structure can be disobeyed general ratio and be made partial enlargement; and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition, the three-dimensional space of length, width and height should be comprised in actual fabrication.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood by concrete condition.
As shown in Figure 1, the utility model comprises hemispheric ball float spheroid 1, the bottom margin of described spheroid 1 is connected with one end of cylindrical body 4 sidewall, the other end of described cylindrical body 4 and the edge conjunction of outwardly spherical crown 2, the outer wall of described spheroid 1, spherical crown 2 and cylindrical body 4 is tightly connected mutually, form a complete structure, this structure hollow, the diameter of described spheroid 1 equals the cross-sectional diameter of described cylindrical body 4.
The top of described spheroid 1 and or the top of described spherical crown 2 have aperture, one end of described guide rod 3 is stretched in aperture and is welded and fixed.
The top of described spheroid 1 is provided with guide rod 3 by welding.
This programme changes upper half part (in figure dotted portion) of original spheroidal into sphere quadrant and adds cylindrical form, retain lower half portion of former spheroidal, simultaneously open a hole at former rounded bottom part, import guide rod, and by guide rod and spheroid integrally welded.
Can buoyancy be increased after adopting this sealed ball float, increase the area of contact of ball float and relief opening seal ring simultaneously, thus increase the sealing force between relief opening seal ring and ball float, improve low pressure seal effect.Add guide rod and can ensure that ball float can only move up and down, avoid ball float in valve body, produce rolling and damaging surface impact sealing, also can ensure the relative fixing of spheroid and seal ring contact position.
Because ball float top adopts quadrant (spherical crown), the downforce (aerodynamic principle) to ball float can be formed when gas in pipelines pressure is large and high speed is discharged from relief opening, avoid ball float to close relief opening too early, thus cause exhaust aeration valve to lose degassing function.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (5)
1. an exhaust aeration valve sealed ball float, comprise ball float spheroid (1), it is characterized in that: described spheroid (1) is for hemispherical, the bottom margin of described spheroid (1) is connected with one end of cylindrical body (4) sidewall, the other end of described cylindrical body (4) and the edge conjunction of outwardly spherical crown (2), the outer wall of described spheroid (1), spherical crown (2) and cylindrical body (4) is tightly connected mutually.
2. exhaust aeration valve sealed ball float according to claim 1, is characterized in that: the top of described spheroid (1) and or the top of described spherical crown (2) be provided with guide rod (3).
3. exhaust aeration valve sealed ball float according to claim 2, it is characterized in that: the top of described spheroid (1) and or the top of described spherical crown (2) have aperture, one end of described guide rod (3) is stretched in aperture and is fixed.
4. exhaust aeration valve sealed ball float according to claim 3, is characterized in that: described guide rod (3) is fixed by welding.
5. exhaust aeration valve sealed ball float according to claim 1 and 2, is characterized in that: the diameter of described spheroid (1) equals the cross-sectional diameter of described cylindrical body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041851.7U CN205226575U (en) | 2015-12-11 | 2015-12-11 | Sealed floater of exhaust aeration valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041851.7U CN205226575U (en) | 2015-12-11 | 2015-12-11 | Sealed floater of exhaust aeration valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226575U true CN205226575U (en) | 2016-05-11 |
Family
ID=55901641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041851.7U Active CN205226575U (en) | 2015-12-11 | 2015-12-11 | Sealed floater of exhaust aeration valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226575U (en) |
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2015
- 2015-12-11 CN CN201521041851.7U patent/CN205226575U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |