CN201100425Y - Sealing structure for exhaust valve ball valve core - Google Patents
Sealing structure for exhaust valve ball valve core Download PDFInfo
- Publication number
- CN201100425Y CN201100425Y CNU2007201955320U CN200720195532U CN201100425Y CN 201100425 Y CN201100425 Y CN 201100425Y CN U2007201955320 U CNU2007201955320 U CN U2007201955320U CN 200720195532 U CN200720195532 U CN 200720195532U CN 201100425 Y CN201100425 Y CN 201100425Y
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- valve core
- valve
- ball
- sealing structure
- inner ring
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Abstract
The utility model relates to a sealing structure of an exhaust valve ball valve core, comprising a valve body, a valve rod which has a regulating head, a valve core, an air inlet and an air outlet, wherein the valve core is in a spherical shape and arranged between the valve rod which has the regulating head and the air inlet, and the gradient of an inner ring surface which the air inlet and the valve core are contacted on is larger than 0 degree and smaller than 90 degrees. The sealing structure of an exhaust valve ball valve core employs the ball valve core, the angle of the inner ring surface of the air inlet can obtain larger design range, and the variable surface angle intersecting is a cambered surface angle intersecting or a cambered surface plane intersecting, thereby reducing dent produced since being pressed for a long time and avoiding abrasion since radial rotation of the original structural taper valve core relative to the inner ring surface; because the valve rod and the valve core are separated, under the situation of guaranteeing the process precision of the valve core, the sealing structure of an exhaust valve ball valve core can reduce process precision and concentricity of the valve core and inner screw thread of the valve body, advance the producing speed of the product, and insure quality stability and percent of pass in the batch production; and since employing the high-precision and high-rigidity ball, the sealing structure of an exhaust valve ball valve core enhances the sealing property and largely prolongs the utilizing life.
Description
Technical field
The utility model relates to a kind of outlet valve ball-type spool sealing configuration structure, particularly relates to a kind of outlet valve ball-type spool sealing configuration that can increase the service life.
Background technique
Outlet valve is an exhaust pressure relief parts that is widely used on pipeline, pressurized container, radiator, radiator and the water heater, its structure is referring to Fig. 3, mainly regulating head valve bar (2), spool (3), inlet hole (4) and air outlet hole (5) by valve body (1), band forms, wherein many employings of spool (3) and valve rod and adjusting cone structure that fuses utilizes the interior angle (7) of the conical surface and inlet hole (4) to be sealed into pore (4).This architecture is simple, easy to assembly, but has following problem:
1,, very high to the processing and the quality of fit requirement of these parts, valve body internal thread and inlet hole because spool and valve rod are an one-piece element;
2, because taper valve core and valve rod are an one-piece element, and the employing conical surface and interior angle contacting, exist spool with respect to the gauge wear of inlet hole and axial extrusion-deformation in use in the process, the contact injustice that this just causes sealing contact surface causes sealing to descend.
That is to say, the taper valve core of valve rod spool one, requirement on machining accuracy height, working life are shorter.
The model utility content
For remedying above-mentioned deficiency, the utility model provides a kind of outlet valve ball-type spool sealing configuration of the ball-type sealed valve core that can increase the service life.
The utility model outlet valve ball-type spool sealing configuration comprises valve body, band adjusting head valve bar, spool, inlet hole and air outlet hole, and it is characterized in that: described spool is a spheroidal, places described band to regulate between head valve bar and the suction port.
The utility model outlet valve ball-type spool sealing configuration, wherein: the gradient of the inner ring surface that described suction port contacts with spool is greater than 0 degree, less than 90 degree.
The utility model outlet valve ball-type spool sealing configuration adopts the ball-type spool, the angle of the inner ring surface of suction port can obtain bigger scope of design, crossing or the cambered surface Plane intersects into camber abgle is intersected at change face angle, sealing configuration after the improvement has the following advantages: can reduce the indenture that long-term pressurized produces; Because valve rod separates with spherical valve core, can avoid because the original structure taper valve core radially rotates the wearing and tearing that cause with respect to inner ring surface; Because valve rod separates with spool, under the situation that guarantees the spool machining accuracy, can reduce the machining accuracy and the concentricity of spool and valve body internal thread, raising production speed, and guarantee mass stability and the up-to-standard rate produced in batches; Owing to adopt the ball of highi degree of accuracy and high hardness.Improved sealability, and increased the service life significantly.
Description of drawings
Fig. 1 is the schematic representation of the utility model outlet valve ball-type spool sealing configuration;
Fig. 2 is the schematic representation that the utility model outlet valve ball-type spool sealing configuration changes the spool and the suction port way of contact;
Fig. 3 is the schematic representation of traditional outlet valve ball-type spool sealing configuration.
Embodiment
For further setting forth the utility model outlet valve ball-type spool sealing configuration, do more detailed explanation below in conjunction with embodiment.
Fig. 1 is an embodiment's of the utility model outlet valve ball-type spool sealing configuration a plan.As we can see from the figure, the utility model outlet valve ball-type spool sealing configuration is regulated head valve bar 2, ball-type spool 3, suction port 4 and air outlet by valve body 1, band, suction port 4 is on the lower end surface of valve body 1, band is regulated head valve bar 2 in the inner chamber of valve body 1, both adopt screw-thread fit, and band is regulated when head valve bar 2 rotates can change its upper-lower position in valve body 1 inner chamber.Ball-type spool 3 is regulated between head valve bar 2 and the suction port 4 at band, and the intracavity diameter of valve body 1 has a transition inner ring surface 6 between the two greater than suction port 4, and inner ring surface 6 forms angle 7 with the intersection of suction port 4.When band was regulated the rotation of head valve bar to backspin, compressing ball-type spool 3 was pressed to angle 7, forms the sealing of face angle between the two, closes dead suction port 4; Otherwise when upwards revolving band adjusting head valve bar 2, ball-type spool 3 leaves angle 7, and suction port 4 is opened, the outlet valve exhaust.Band is regulated the rotation of head valve bar 2 by coupled adjusting head, and an air outlet 5 is on the side of valve body 1 sideling.When adopting ball-type spool 3 to seal, the gradient of inner ring surface 6 can change, and this angle is greater than 0 degree, less than 90 degree.
Fig. 2 is another embodiment who changes the mode that spool contacts with suction port.Among this embodiment, spherical valve core 3 does not contact with angle 7, but contacts with inner ring surface 6, forms the sphere of spherical valve core 3 and the cone-shaped of inner ring surface 6 and becomes sphere to contact with the inclined-plane, and this also can reach seal request.
Claims (2)
1, a kind of outlet valve ball-type spool sealing configuration, comprise valve body (1), band adjusting head valve bar (2), sealing head (3), inlet hole (4) and air outlet hole (5), it is characterized in that: described spool (3) is spheroidal, places described band to regulate between head valve bar (2) and the suction port (4).
2, according to the outlet valve ball-type spool sealing configuration of claim 1, it is characterized in that: the gradient of the inner ring surface (6) that described suction port (4) contacts with spool (3) is greater than 0 degree, less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201955320U CN201100425Y (en) | 2007-11-01 | 2007-11-01 | Sealing structure for exhaust valve ball valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201955320U CN201100425Y (en) | 2007-11-01 | 2007-11-01 | Sealing structure for exhaust valve ball valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100425Y true CN201100425Y (en) | 2008-08-13 |
Family
ID=39936960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201955320U Expired - Fee Related CN201100425Y (en) | 2007-11-01 | 2007-11-01 | Sealing structure for exhaust valve ball valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100425Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102992832A (en) * | 2012-12-23 | 2013-03-27 | 何蓓 | Wet composting device suitable for flower planting |
| CN105551557A (en) * | 2013-07-02 | 2016-05-04 | 中科华核电技术研究院有限公司 | Middle-low-radioactivity nuclear waste treatment device |
| CN112400754A (en) * | 2020-11-25 | 2021-02-26 | 安徽兴程食品有限责任公司 | A hatch machine for production of live pearl |
-
2007
- 2007-11-01 CN CNU2007201955320U patent/CN201100425Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102992832A (en) * | 2012-12-23 | 2013-03-27 | 何蓓 | Wet composting device suitable for flower planting |
| CN105551557A (en) * | 2013-07-02 | 2016-05-04 | 中科华核电技术研究院有限公司 | Middle-low-radioactivity nuclear waste treatment device |
| CN112400754A (en) * | 2020-11-25 | 2021-02-26 | 安徽兴程食品有限责任公司 | A hatch machine for production of live pearl |
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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: 20080813 Termination date: 20101101 |