CN204345011U - A kind of underwater drainage air valve - Google Patents
A kind of underwater drainage air valve Download PDFInfo
- Publication number
- CN204345011U CN204345011U CN201420845988.7U CN201420845988U CN204345011U CN 204345011 U CN204345011 U CN 204345011U CN 201420845988 U CN201420845988 U CN 201420845988U CN 204345011 U CN204345011 U CN 204345011U
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- elastic component
- level
- section
- air valve
- drainage air
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Abstract
The utility model provides a kind of underwater drainage air valve, comprises body, offers through hole in described body, and through hole is provided with the first elastic component construction section, the first seal section, lumen, the second seal section, the second elastic component construction section from the bottom to top; This underwater drainage air valve comprises one-level valve rod, one-level elastic component, one-level pressure regulation part, one-level valve rod has the first sealing head and first connecting rod, first connecting rod is provided with abutment, one-level elastic component is connected between body and abutment, and one-level pressure regulation part can move up and down being connected on first connecting rod of adjustment and support abutment; This underwater drainage air valve comprises secondary valve rod, secondary elastic component, second voltage regulation part, and secondary valve rod has the second sealing head, and second voltage regulation part can move up and down and adjustably be connected to body upper end, and secondary elastic component is connected between the second sealing head and second voltage regulation part.The utility model adopts secondary exhaust structure, uses more reliable, easy for installation, is applicable in underwater environment.
Description
Technical field
The utility model relates to a kind of for regulating the outer pressure balanced outlet valve of natural-gas transfer pipeline under water, especially a kind of underwater drainage air valve adopting secondary exhaust structure.
Background technique
Outlet valve is a kind of for being arranged on pipeline with the equipment of gas in quick discharge conduit.Existing outlet valve is mainly applied in the pipeline of land, and is all single-stage exhaust structure, and its exhaust pressure sets before dispatching from the factory, and scene cannot regulate.Therefore, following defect can be there is when existing outlet valve is applied under water in natural-gas transfer pipeline:
(1) outlet valve of the prior art is single step arrangement, combination by means of only a valve rod and spring is isolated inside and outside, under micro-open/close states, once spring fatigue or valve rod and valve seal lost efficacy, gas medium will be leaked in the external world and go, and causes adverse consequences.
(2) the exhaust pressure reduction of outlet valve of the prior art is fixing uncontrollable, once micro-change occurs work on the spot pressure environment, outlet valve is just ineffective immediately, can only reinstall new outlet valve.
(3) outlet valve of the prior art is mainly used in land, is not suitable for the underwater environment very harsh to environmental requirement.
Summary of the invention
In order to overcome the defect of prior art, the purpose of this utility model be to provide a kind of be applicable under water, more safety and can regulate easily exhaust pressure reduction outlet valve.
In order to achieve the above object, the utility model provides a kind of underwater drainage air valve, comprises body, it is characterized in that:
Offer the through hole of up/down perforation in described body, described through hole be provided with from the bottom to top the first elastic component construction section for installing one-level elastic component, the first seal section for the one-level valve rod that is tightly connected, lumen, for the second seal section of the secondary valve rod that is tightly connected, for installing the second elastic component construction section of secondary elastic component;
Described underwater drainage air valve comprises one-level valve rod, one-level elastic component, one-level pressure regulation part, described one-level valve rod can be arranged on described lumen up and down, in described first seal section and described first elastic component construction section, described one-level valve rod has the first sealing head of matching with described first seal section and the first connecting rod to downward-extension, described first connecting rod is provided with abutment moving up and down, described one-level elastic component is connected between described body and described abutment, described one-level pressure regulation part can move up and down being connected on described first connecting rod of adjustment and support described abutment,
Described underwater drainage air valve comprises secondary valve rod, secondary elastic component, second voltage regulation part, described secondary valve rod can be arranged in described second elastic component construction section and described second seal section up and down, described secondary valve rod has the second sealing head matched with described second seal section, described second voltage regulation part can move up and down and adjustably be connected to described body upper end, and described secondary elastic component is connected between described second sealing head and described second voltage regulation part.
The utility model, by adopting secondary exhaust structure, improves the reliability of outlet valve effectively, enables to avoid outside sea water encroachment to enter gas pipeline when working in the natural-gas transfer pipeline of outlet valve in the sea.Therefore, relative to prior art, underwater drainage air valve of the present utility model work is more reliable, and longer service life, more can be applicable to underwater environment.
Preferably, described first seal section is the first conical section that aperture becomes large from the bottom to top gradually, the first conical head of described first sealing head to be outer peripheral surface be conical surface; Described second seal section is the second conical section that aperture becomes large from the bottom to top gradually, the second conical head of described second sealing head to be outer peripheral surface be conical surface.Adopt this design, the conical surface seal between conical head and conical section, make valve rod have self-aligning function, the central position of through hole can be positioned at all the time, ensure fixing seal pressure, thus guarantee to realize fixing exhaust pressure rating value.
Further preferably, the aperture, upper end of described first conical section is less than or equal to the aperture, lower end of described second conical section.Adopt this design, install one-level valve rod time, can directly from body the upper opening of through hole put into cavity, the first conical section and the first elastic component construction section, install very convenient.
Wherein, described one-level pressure regulation part is adjusting nut, and the outer peripheral surface of described first connecting rod has outside thread, and described adjusting nut is threaded with described first connecting rod.By tightening or loosening adjusting nut, just can regulate the impacting force of the first elastic component easily, thus regulate the exhaust pressure of one-level valve rod.
Described second voltage regulation part is for regulating pressure cap, and it has outside thread, and described second elastic component construction section has internal thread, and described adjustment pressure cap is threaded with described second elastic component construction section.Regulate pressure cap not only the upper shed of the second elastic component construction section to be closed, and tighten or loosen the impacting force regulating pressure cap just can regulate the second elastic component, thus regulate the exhaust pressure of secondary valve rod.
The utility model can adjust according to operating mode, arranged respectively by one-level pressure regulation part and second voltage regulation part and regulate firsts and seconds exhaust pressure rating value, it not single fixing exhaust pressure value, make underwater drainage air valve of the present utility model have versatility within the scope of certain pressure, realize the function of multi-purpose valve.
Wherein, described adjustment pressure cap is also threaded the also cap nut described adjustment pressure cap and described body fixed.And adjustment pressure cap can be fixed by cap nut, be moved after preventing regulating pressure cap to be adjusted to desired location.
Described secondary valve rod also has the second connecting rod extended upward in described second elastic component construction section, is provided with the guide sleeve to downward-extension in described adjustment pressure cap, and the upper end of described second connecting rod can slide up and down to be inserted in described guide sleeve.Guide sleeve plays leading role to moving up and down of second connecting rod, produces radial-play when avoiding secondary valve rod to move up and down.
In one embodiment, described first elastic component and described second elastic component are spring.
Further, be provided with attachment hole in described abutment, described first connecting rod is through described attachment hole.
Owing to adopting technique scheme, underwater drainage air valve of the present utility model has the following advantages: (1) adopts secondary exhaust structure, is applicable to underwater operation, more safe and reliable, can prevent outside water from pouring in down a chimney in gas pipeline; (2) can adjust respectively one-level exhaust pressure rating value and secondary exhaust pressure nominal value at the scene, make outlet valve have versatility within the scope of certain pressure, can multi-purpose valve.
Accompanying drawing explanation
Fig. 1 is the axial cross-sectional views of the utility model underwater drainage air valve.
In accompanying drawing: 1-two-level spring; 2-secondary valve rod; 21-second conical head; 22-second connecting rod; 3-one-level spring; 4-compression spring; 5-adjusting nut; 6-regulates pressure cap; 7-cap nut; 8-body; 81-first elastic component construction section; 82-first seal section; 83-lumen; 84-second seal section; 85-second elastic component construction section; 9-one-level valve rod; 91-first conical head; 92-first connecting rod.
Embodiment
Below in conjunction with accompanying drawing, the utility model is preferred embodiment described in detail.
Refer to Fig. 1, the utility model provides a kind of underwater drainage air valve, comprise body 8, offer the through hole of up/down perforation in body 8, described through hole be provided with from the bottom to top the first elastic component construction section 81 for installing one-level spring 3, the first seal section 82 for the one-level valve rod 9 that is tightly connected, lumen 83, for the second seal section 84 of the secondary valve rod 2 that is tightly connected, for installing the second elastic component construction section 85 of two-level spring 1.
Be provided with two-stage exhaust structure in described underwater drainage air valve, two-stage exhaust structure along body 8 all through hole arrange from the bottom to top.Wherein, one-level exhaust structure comprises one-level valve rod 9, one-level spring 3, one-level pressure regulation part, one-level valve rod 9 can be arranged in lumen 83, first seal section 82 and the first elastic component construction section 81 up and down, and one-level valve rod 9 has the first sealing head 91 matched with the first seal section 82 and the first connecting rod 92 extended down in the first elastic component construction section 81.In the present embodiment, the first seal section 82 is the first conical section that aperture becomes large from the bottom to top gradually, the first conical head of the first sealing head 91 to be outer peripheral surfaces be conical surface.First conical section and the first conical head pass through conical surface seal.
First connecting rod 92 is provided with abutment moving up and down, and in the present embodiment, this abutment is compression spring 4, is provided with attachment hole in compression spring 4, and first connecting rod 92 is through described attachment hole.One-level spring 3 is connected between body 8 and compression spring 4.Described one-level pressure regulation part can move up and down being connected on first connecting rod 92 of adjustment and supported spring pad 4.Individual in the present embodiment, described one-level pressure regulation part is adjusting nut 5, and the outer peripheral surface of first connecting rod 92 has outside thread, and adjusting nut 5 is threaded with first connecting rod 92.Tighten adjusting nut 5, can promote compression spring 4 and move upward, be compressed by one-level spring 3, increase the elastic pre-stress of one-level spring 3, under the effect of one-level spring 3, the first sealing head 91 sealing of one-level screw rod 9 is pressed on the first seal section 82.
Secondary exhaust structure in the underwater drainage air valve of the present embodiment comprises secondary valve rod 2, two-level spring 1, second voltage regulation part, secondary valve rod 2 can be arranged in the second elastic component construction section 85 and the second seal section 84 up and down, secondary valve rod 2 has the second sealing head 21 matched with the second seal section 84 and the second connecting rod 22 extended upward in the second elastic component construction section 82, described second voltage regulation part can move up and down the upper end being adjustably connected to body 8, and two-level spring 1 is connected between the second sealing head and described second voltage regulation part.
Wherein, the second seal section 84 is the second conical section that aperture becomes large from the bottom to top gradually, the second conical head of the second sealing head 21 to be outer peripheral surfaces be conical surface.Second conical section and the second conical head pass through conical surface seal.
In the present embodiment, the aperture, upper end of described first conical section equals the aperture, lower end of described second conical section, and now lumen 83 is isometrical cylindrical shape.Be convenient to one-level valve rod 9 to enter after lumen 83 and the first conical section from the upper end open of body 8 through the second conical section be like this in place.Certainly, the aperture, lower end that the aperture, upper end of the first conical section is less than described second conical section also can realize.
Wherein, described second voltage regulation part is for regulating pressure cap 6, it has outside thread, described adjustment pressure cap is also threaded the also cap nut 7 that will pressure cap 6 and body 8 regulated fixing, regulate in pressure cap 6 guide sleeve 61 be provided with to downward-extension, the upper end of second connecting rod 22 can slide up and down to be inserted in guide sleeve 61.Leading role is played in moving up and down of guide sleeve 61 pairs of second connecting rods 22, produces radial-play when avoiding secondary valve rod 2 to move up and down.Second elastic component construction section 85 has internal thread, regulates pressure cap 6 to be threaded with the second elastic component construction section 85.When regulating the exhaust pressure rating value of secondary valve rod 2, as long as unscrew and cap nut 7, then tighten or unscrew adjustment pressure cap 6, the pretightening force of two-level spring 1 can be regulated.
The working principle of the underwater drainage air valve of the present embodiment is: as shown in Figure 1, this underwater drainage air valve is unidirectional two-layer configuration, whole outlet valve is threadedly attached on device, and when outlet valve upstream pressure is more than the first setup pressure value, one-level valve rod 9 is beated unlatching, pressure enters lumen 83, when outlet valve upstream pressure is more than the second setup pressure value, secondary valve rod 2 is beated unlatching, and pressure releasing is to downstream, now pressure drop, exhaust valve closure.The cracking pressure of beating of one-level valve rod 9 and secondary valve rod 2 and can regulate pressure cap 6 to set respectively by adjusting nut 5.
Relative to prior art, the underwater drainage air valve of the present embodiment has the following advantages:
(1) by adopting secondary exhaust structure, effectively improve the reliability of outlet valve, longer service life, more can be applicable to underwater environment.
(2) one-level valve rod 9 and secondary valve rod 2 all adopt conical surface seal, make valve rod have self-aligning function, can be positioned at the central position of through hole all the time, ensure fixing seal pressure, thus guarantee to realize fixing exhaust pressure rating value.
(3) install one-level valve rod 9 time, can directly from body 8 upper opening of through hole put into lumen 83, first conical section and the first elastic component construction section 81, install very convenient.
(4) by tightening or loosening adjusting nut 5, adjustment pressure cap 6, just can regulate the exhaust pressure rating value of one-level valve rod and secondary valve rod easily, make underwater drainage air valve of the present utility model have versatility within the scope of certain pressure, realize the function of multi-purpose valve.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and implement according to this; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a underwater drainage air valve, comprises body, it is characterized in that:
Offer the through hole of up/down perforation in described body, described through hole be provided with from the bottom to top the first elastic component construction section for installing one-level elastic component, the first seal section for the one-level valve rod that is tightly connected, lumen, for the second seal section of the secondary valve rod that is tightly connected, for installing the second elastic component construction section of secondary elastic component;
Described underwater drainage air valve comprises one-level valve rod, one-level elastic component, one-level pressure regulation part, described one-level valve rod can be arranged on described lumen up and down, in described first seal section and described first elastic component construction section, described one-level valve rod has the first sealing head of matching with described first seal section and the first connecting rod to downward-extension, described first connecting rod is provided with abutment moving up and down, described one-level elastic component is connected between described body and described abutment, described one-level pressure regulation part can move up and down being connected on described first connecting rod of adjustment and support described abutment,
Described underwater drainage air valve comprises secondary valve rod, secondary elastic component, second voltage regulation part, described secondary valve rod can be arranged in described second elastic component construction section and described second seal section up and down, described secondary valve rod has the second sealing head matched with described second seal section, described second voltage regulation part can move up and down and adjustably be connected to described body upper end, and described secondary elastic component is connected between described second sealing head and described second voltage regulation part.
2. a kind of underwater drainage air valve according to claim 1, is characterized in that: described first seal section is the first conical section that aperture becomes large from the bottom to top gradually, the first conical head of described first sealing head to be outer peripheral surface be conical surface; Described second seal section is the second conical section that aperture becomes large from the bottom to top gradually, the second conical head of described second sealing head to be outer peripheral surface be conical surface.
3. a kind of underwater drainage air valve according to claim 2, is characterized in that: the aperture, upper end of described first conical section is less than or equal to the aperture, lower end of described second conical section.
4. a kind of underwater drainage air valve according to claim 1, is characterized in that: described one-level pressure regulation part is adjusting nut, and the outer peripheral surface of described first connecting rod has outside thread, and described adjusting nut is threaded with described first connecting rod.
5. a kind of underwater drainage air valve according to claim 1, it is characterized in that: described second voltage regulation part is for regulating pressure cap, it has outside thread, and described second elastic component construction section has internal thread, and described adjustment pressure cap is threaded with described second elastic component construction section.
6. a kind of underwater drainage air valve according to claim 5, is characterized in that: described adjustment pressure cap is also threaded the also cap nut described adjustment pressure cap and described body fixed.
7. a kind of underwater drainage air valve according to claim 5, it is characterized in that: described secondary valve rod also has the second connecting rod extended upward in described second elastic component construction section, be provided with the guide sleeve to downward-extension in described adjustment pressure cap, the upper end of described second connecting rod can slide up and down to be inserted in described guide sleeve.
8. a kind of underwater drainage air valve according to claim 1, is characterized in that: described first elastic component and described second elastic component are spring.
9. a kind of underwater drainage air valve according to claim 1, is characterized in that: be provided with attachment hole in described abutment, and described first connecting rod is through described attachment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845988.7U CN204345011U (en) | 2014-12-26 | 2014-12-26 | A kind of underwater drainage air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845988.7U CN204345011U (en) | 2014-12-26 | 2014-12-26 | A kind of underwater drainage air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204345011U true CN204345011U (en) | 2015-05-20 |
Family
ID=53228280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420845988.7U Withdrawn - After Issue CN204345011U (en) | 2014-12-26 | 2014-12-26 | A kind of underwater drainage air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204345011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500797A (en) * | 2014-12-26 | 2015-04-08 | 纽威石油设备（苏州）有限公司 | Underwater exhaust valve |
| CN105952920A (en) * | 2016-07-06 | 2016-09-21 | 深圳市淏森科技有限公司 | Fluid control temperature balance valve |
-
2014
- 2014-12-26 CN CN201420845988.7U patent/CN204345011U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500797A (en) * | 2014-12-26 | 2015-04-08 | 纽威石油设备（苏州）有限公司 | Underwater exhaust valve |
| CN105952920A (en) * | 2016-07-06 | 2016-09-21 | 深圳市淏森科技有限公司 | Fluid control temperature balance valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |