CN106763001B - A kind of combination valve for precommpression respirator - Google Patents
A kind of combination valve for precommpression respirator Download PDFInfo
- Publication number
- CN106763001B CN106763001B CN201611229580.7A CN201611229580A CN106763001B CN 106763001 B CN106763001 B CN 106763001B CN 201611229580 A CN201611229580 A CN 201611229580A CN 106763001 B CN106763001 B CN 106763001B
- Authority
- CN
- China
- Prior art keywords
- exhaust
- air inlet
- valve
- plug
- air
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/02—Devices, e.g. valves, for venting or aerating enclosures the enclosure being itself a valve, tap, or cock
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The present invention relates to a kind of combination valve for precommpression respirator, belong to fuel tank technical field, including valve body and the exhaust valve component and air inlet valve module that are arranged on the valve body, the exhaust valve component includes exhaust plug, exhaust spring and exhaust screw plug, and the air inlet valve module includes air inlet spool, into gas spring and air inlet screw plug.The purpose of the present invention, the combination valve can realize one-way exhaust and one-way air inlet, keep having certain normal pressure in fuel tank under normal circumstances；When tank pressure is reduced again can smoothly air-breathing, avoid in fuel tank that air pressure is too low, influences the normal work of oil pump.
Description
Technical field
The invention belongs to fuel tank technical field, is related to a kind of combination valve for precommpression respirator.
Background technology
Hydraulic oil container is as the essential oil vessel of hydraulic test, when the piston rod of hydraulic cylinder stretches out, hydraulic pressure
Pump send hydraulic oil to hydraulic cylinder, and then hydraulic oil is returned to hydraulic oil container when the piston rod retraction of hydraulic cylinder, because
This hydraulic oil container needs to set pneumostome to communicate with outside so that the air in babinet is passed in and out with the disengaging of hydraulic oil.Have
When in order to maintain certain tank internal pressure, ensure the relatively reliable work of oil pump, it is necessary to using exhaling with pre-compression function
Haustorium, due to be easier with certain pressure, when the air of hydraulic oil container is discharged by oil particles from venthole take out of and dirty
Contaminate environment, influence the appearance of hydraulic oil container.
The content of the invention
In view of this, it is an object of the invention to provide a kind of combination valve for precommpression respirator, the combination valve energy
Realize one-way exhaust and one-way air inlet, keep having certain normal pressure in fuel tank under normal circumstances；When tank pressure is reduced
Again can smoothly air-breathing, avoid in fuel tank that air pressure is too low, influences the normal work of oil pump.
To reach above-mentioned purpose, the present invention provides following technical solution：
A kind of combination valve for precommpression respirator, including breathing seat, the upper cover being arranged on the breathing seat, setting
Cotton net filter core between the breathing seat and the upper cover, described breathe are surrounded by gas outlet, middle setting at the top of seat
There is enterprising gas port, further include the combination valve being arranged on the breathing seat, the combination valve includes valve body and is arranged on the valve
Exhaust valve component and air inlet valve module on body, the exhaust valve component include exhaust plug, exhaust spring and exhaust screw plug, institute
Stating air inlet valve module includes air inlet spool, into gas spring and air inlet screw plug, and the valve body is stepped cylinder, the stairstepping
The external screw thread for being connected with the breathing seat is provided with cylinder small end periphery, inside is set successively since male end
It is equipped with the first circular hole for exhaust, the first taper hole for exhaust plug sealing, for exhaust plug slip
First spool bore and the first threaded hole for installing the exhaust screw plug.
Further, the exhaust plug includes the cone portion that is wholely set and guide part, on the periphery of the guide part
A plurality of air discharge duct is provided with, the end set of the guide part is useful for placing the annular groove of the exhaust spring, the row
The Oil Guide taper hole for being useful for oil-collecting, the second circular hole for air-breathing are set gradually inside gas valve core since guide part end, is used for
Second taper hole of the air inlet seal spool, for the air inlet spool slide the second spool bore and for installing the air inlet
Second threaded hole of screw plug.
Further, it is described exhaust screw plug periphery on be provided with the first external screw thread, be internally provided with circular hole, end face is provided with
Flat recess.
Further, the air inlet spool includes the sealing and sliding part being wholely set, and the sealing is tapered, described
Multiple air admission holes are provided with sliding part.
Further, be provided with the air inlet screw plug periphery the second external screw thread, be internally provided with oilhole, end face is provided with
Cross recess.
The beneficial effects of the present invention are：The combination valve can realize one-way exhaust and one-way air inlet, keep under normal circumstances
There is certain normal pressure in fuel tank；When tank pressure is reduced again can smoothly air-breathing, avoid in fuel tank that air pressure is too low, influences
The normal work of oil pump.
Brief description of the drawings
In order to make the purpose of the present invention, technical solution and beneficial effect clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is a kind of structure diagram of combination valve for precommpression respirator of the invention；
Fig. 2 is the structure diagram of the exhaust plug of the present invention；
Fig. 3 is the structure diagram of the air inlet spool of the present invention；
Reference numeral：
1- valve bodies；2- exhaust valve components；21- exhaust plugs；22- exhaust springs；23- is vented screw plug；3- air inlet valve modules；
31- air inlet spools；32- is into gas spring；33- air inlet screw plugs.
Embodiment
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
As shown in Figs. 1-3, a kind of combination valve for precommpression respirator, including valve body 1 and the row that is arranged on valve body
Air-valve assembly 2 and air inlet valve module 3, exhaust valve component 2 include exhaust plug 21, exhaust spring 22 and exhaust screw plug 23, air inlet
Valve module 3 includes air inlet spool 31, into gas spring 32 and air inlet screw plug 33, and valve body 1 is stepped cylinder, stepped cylinder
The external screw thread for being connected with breathing seat 1 is provided with small end periphery, inside is set gradually since male end to be useful for
Exhaust the first circular hole, for exhaust plug 31 seal the first taper hole, for exhaust plug 31 slide the first spool bore and
For installing the first threaded hole of exhaust screw plug 33.In embodiment, exhaust passage and inlet channel are provided with combination valve, is vented
Passage includes the circular hole on the first circular hole, the first taper hole, the air discharge duct on exhaust plug, the first spool bore and exhaust screw plug successively
Form, inlet channel include Oil Guide taper hole, the second circular hole, the second taper hole, the air admission hole on air inlet spool, the second spool bore and into
Oilhole on gas screw plug is formed；The combination valve can realize one-way exhaust and one-way air inlet, keep having one in fuel tank under normal circumstances
Fixed normal pressure；When tank pressure is reduced again can smoothly air-breathing, avoid in fuel tank that air pressure is too low, influences the normal of oil pump
Work.
In the present embodiment, exhaust plug 21 includes cone portion and the guide part being wholely set, and is set on the periphery of guide part
It is equipped with a plurality of air discharge duct, the end set of guide part is useful for placing the annular groove of exhaust spring 22, inside exhaust plug 21
The Oil Guide taper hole for being useful for oil-collecting, the second circular hole for air-breathing are set gradually since guide part end, for air inlet spool 31
Second taper hole of sealing, the second spool bore slided for air inlet spool 31 and the second screw thread for installing air inlet screw plug 33
Hole.In embodiment, Oil Guide taper hole is that the oil that the circular hole of venting plug drips focused on intake valve port for convenience, quilt during air inlet
Bring fuel tank into.
In the present embodiment, it is vented on 23 periphery of screw plug and is provided with the first external screw thread, is internally provided with circular hole, end face setting
There is flat recess.In embodiment, the first external screw thread is used for fixed exhaust screw plug, and circular hole is used to be vented, and flat recess, which is used to rotate, to be vented
Plug.
In the present embodiment, air inlet spool 31 includes the sealing and sliding part being wholely set, and sealing is tapered, sliding part
On be provided with multiple air admission holes.In embodiment, multiple air admission holes for being set on sliding part are passing through for the ease of air inlet.
In the present embodiment, the second external screw thread is provided with 33 periphery of air inlet screw plug, is internally provided with oilhole, end face setting
There is cross recess.In embodiment, the second external screw thread is used to fix air inlet screw plug, and oilhole is used for air inlet and excessively oily, cross recess for turn
Dynamic air inlet plug.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
- A kind of 1. combination valve for precommpression respirator, it is characterised in that：Including valve body and the row being arranged on the valve body Air-valve assembly and air inlet valve module, the exhaust valve component include exhaust plug, exhaust spring and exhaust screw plug, the intake valve Component includes air inlet spool, into gas spring and air inlet screw plug, and on the valve body, the valve body is stepped cylinder, the rank The external screw thread for being connected with breathing seat is provided with trapezoidal cylinder body small end periphery, inside is set successively since male end It is equipped with the first circular hole for exhaust, the first taper hole for exhaust plug sealing, for exhaust plug slip First spool bore and the first threaded hole for installing the exhaust screw plug；The exhaust plug includes the cone portion being wholely set And guide part, a plurality of air discharge duct is provided with the periphery of the guide part, and the end set of the guide part is useful for placing The annular groove of the exhaust spring, sets gradually the Oil Guide for being useful for oil-collecting inside the exhaust plug since guide part end Taper hole, the second circular hole for air-breathing, the second taper hole for the air inlet seal spool, for the air inlet spool slide Second spool bore and the second threaded hole for installing the air inlet screw plug.
- A kind of 2. combination valve for precommpression respirator according to claim 1, it is characterised in that：The exhaust screw plug Be provided with periphery the first external screw thread, be internally provided with circular hole, end face is provided with flat recess.
- A kind of 3. combination valve for precommpression respirator according to claim 1, it is characterised in that：The air inlet spool Including the sealing and sliding part being wholely set, the sealing is tapered, and multiple air admission holes are provided with the sliding part.
- A kind of 4. combination valve for precommpression respirator according to claim 1, it is characterised in that：The air inlet screw plug Be provided with periphery the second external screw thread, be internally provided with oilhole, end face is provided with cross recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229580.7A CN106763001B (en) | 2016-12-27 | 2016-12-27 | A kind of combination valve for precommpression respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229580.7A CN106763001B (en) | 2016-12-27 | 2016-12-27 | A kind of combination valve for precommpression respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763001A CN106763001A (en) | 2017-05-31 |
| CN106763001B true CN106763001B (en) | 2018-05-15 |
Family
ID=58922787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611229580.7A Active CN106763001B (en) | 2016-12-27 | 2016-12-27 | A kind of combination valve for precommpression respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763001B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980427B (en) * | 2018-09-06 | 2019-09-03 | 李阳 | Adjustable pressure-constant safety exhaust |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20119702U1 (en) * | 2001-12-05 | 2002-02-28 | Festo Ag & Co | Compressed air maintenance unit |
| KR20080029575A (en) * | 2006-09-29 | 2008-04-03 | 두산인프라코어 주식회사 | Air breather replaceable filter |
| CN201241883Y (en) * | 2008-08-19 | 2009-05-20 | 李依霏 | Pressurization hydraulic oil tank respirator |
| CN201771878U (en) * | 2010-09-13 | 2011-03-23 | 浙江杭叉工程机械集团股份有限公司 | Multifunctional hydraulic oil tank respirator |
| CN205423356U (en) * | 2016-02-27 | 2016-08-03 | 山推工程机械股份有限公司 | Pressurization formula hydraulic tank respirator |
-
2016
- 2016-12-27 CN CN201611229580.7A patent/CN106763001B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106763001A (en) | 2017-05-31 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180418 Address after: Yongchun County, Quanzhou City, Fujian province 362600 Hu Shan Zhen Pu Village No. 256 Applicant after: QUANZHOU HONGSHENG LIULI CO.,LTD. Address before: No. 83, Shapingba North Street, Shapingba District, Chongqing Applicant before: CHONGQING ZHUIMENG TECHNOLOGY CO.,LTD. |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240521 Address after: 362000 No. 1702, building 4, Liuxia garden, Chifeng Road, Chidian Town, Jinjiang City, Quanzhou City, Fujian Province Patentee after: QUANZHOU HUAXIANG INDUSTRIAL DESIGN Co.,Ltd. Country or region after: China Address before: No. 256, Puxia Village, Hushan Town, Yongchun County, Quanzhou City, Fujian Province, 362600 Patentee before: QUANZHOU HONGSHENG LIULI CO.,LTD. Country or region before: China |