CN104964075A - Bidirectional breather valve - Google Patents
Bidirectional breather valve Download PDFInfo
- Publication number
- CN104964075A CN104964075A CN201510413427.9A CN201510413427A CN104964075A CN 104964075 A CN104964075 A CN 104964075A CN 201510413427 A CN201510413427 A CN 201510413427A CN 104964075 A CN104964075 A CN 104964075A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- valve pocket
- spring
- filtering cavity
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 238000013022 venting Methods 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
- F16K17/196—Equalising valves predominantly for tanks spring-loaded
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a bidirectional breather valve which comprises a valve body. A valve cavity is formed in the middle of the valve body, an oil inlet and an oil outlet are formed in the two sides of the bottom of the valve body respectively, and a ventilation hole is connected between the valve cavity and the oil inlet and between the valve cavity and the oil outlet. A first valve element is arranged in the middle of the valve cavity, an exhaust hole is formed in the side of the first valve element, a valve hole communicated with the ventilation hole is formed in the middle of the first valve element, a first spring is arranged between the first valve element and the inner wall of the top of the valve cavity, a second valve element is arranged below the first valve element, and a second spring is arranged between the second valve element and the bottom of the valve cavity. A main air hole enabling the exhaust hole to be communicated with the external environment is formed in the side of the valve body, and a suction hole communicated with the main air hole and the valve hole is formed in the side wall of the valve cavity. The bidirectional breather valve has an air intake capacity and an exhausting capacity at the same time.
Description
Technical field
The present invention relates to retarder, gearbox corollary equipment technical field, particularly a kind of bi-directional breather valve.
Background technique
Inhalation valve is a kind of significant components be widely used in retarder, gearbox class machinery, and along with improving constantly of user demand, the service behaviour of people to bi-directional breather valve it is also proposed higher requirement.
Although inhalation valve kind comparatively common in current mechanical field is more, but its most structure is comparatively simple, and limit due to himself structure, although existing common inhalation valve can realize basic equipment exhaust operation needs, but it cannot possess air-breathing ability to work while meeting equipment exhaust work, especially when device interior exist negative pressure or other be badly in need of adjustment equipment internal air pressure, possess simultaneously exhaust and gettering ability just seem more important.
Therefore, a kind of bi-directional breather valve having air-breathing and venting capacity concurrently how is provided to be the important technological problems that those skilled in the art need to solve at present.
Summary of the invention
The object of this invention is to provide a kind of bi-directional breather valve, this bi-directional breather valve has air-breathing and venting capacity concurrently.
For solving the problems of the technologies described above, the invention provides a kind of bi-directional breather valve, comprise valve body, the middle part of described valve body has valve pocket, the two bottom sides of described valve body is respectively arranged with filler opening and oil outlet, described valve pocket and be communicated with vent between described filler opening and described oil outlet;
The middle part of described valve pocket is provided with the first spool, the sidepiece of described first spool has exhaust port, the middle part of described first spool has the valve opening be connected with described vent, the first spring is provided with between described first spool and described valve pocket top inner wall, the below of described first spool is provided with the second spool, is provided with the second spring between bottom described second spool and described valve pocket;
The sidepiece of described valve body has the main pore being communicated with described exhaust port and external environment condition, the sidewall of described valve pocket has the suction port being communicated with described main pore and described valve opening respectively.
Preferably, the sidepiece of described valve pocket is provided with filtering cavity, filter core is provided with in described filtering cavity, described filtering cavity is connected with described exhaust port with described main pore respectively, described suction port is specifically positioned at described filtering cavity on the sidewall of described valve pocket side, and described filtering cavity is connected with described valve opening by described suction port.
Preferably, described filter core is stainless steel mesh filter core.
Preferably, the bottom of described valve pocket has inner ring boss, and described second spring is arranged between described second spool and described inner ring boss.
Preferably, the bottom of described vent is provided with oil baffle.
Relative above-mentioned background technology, bi-directional breather valve provided by the present invention, in its working procedure, when device interior air pressure reaches certain malleation value, described first spool and described second spool are by jack-up, now described first spring is compressed, air-flow is by vent successively device for transferring outside after valve pocket, exhaust port, main pore afterwards, after equipment internal air pressure stable equilibrium, stop exhaust, first spool and the second spool move down reset under the reposition force effect of the first spring, complete exhaust operation; When device interior air pressure reaches certain negative pressure value, first spool keeps motionless, second spool affects by negative pressure and moves down, second spring is compressed, now the second spool and the first valve core chamber disengage and form certain interval, outer gas stream enters valve pocket successively behind the gap of main pore, suction port, valve opening and the first spool and the second spool afterwards, after pass into device interior through vent, after equipment internal air pressure stable equilibrium, stop suction, second spool moves up reset under the second spring restoring force effect, completes air-breathing operation.Described bi-directional breather valve has air-breathing and venting capacity concurrently, and its exhaust, breathing process stability and high efficiency, device interior air pressure can be adjusted in time fast, ensure device interior stable gas pressure balance.
In another preferred version of the present invention, the sidepiece of described valve pocket is provided with filtering cavity, filter core is provided with in described filtering cavity, described filtering cavity is connected with described exhaust port with described main pore respectively, described suction port is specifically positioned at described filtering cavity on the sidewall of described valve pocket side, and described filtering cavity is connected with described valve opening by described suction port.This filter core can impurity in breathing process in effective filter plant outside air, ensures that the gas of device interior is pure; In addition, the impurity be attached on filter core can be blown off and discharge in the exhaust process of described bi-directional breather valve, thus effectively prevent filter core by impurity alluvial blocking, ensure that the central airways of its filtering effect and described bi-directional breather valve is unimpeded.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, 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.
The assembly structure sectional view of the bi-directional breather valve that Fig. 1 provides for a kind of embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of bi-directional breather valve, and this bi-directional breather valve has air-breathing and venting capacity concurrently.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, the assembly structure sectional view of the bi-directional breather valve that Fig. 1 provides for a kind of embodiment of the present invention.
In a specific embodiment, bi-directional breather valve provided by the present invention, comprises valve body 11, and the middle part of valve body 11 has valve pocket 111, the two bottom sides of valve body 11 is respectively arranged with filler opening 112 and oil outlet 113, valve pocket 111 and be communicated with vent 114 between filler opening 112 and oil outlet 113; The middle part of valve pocket 111 is provided with the first spool 12, the sidepiece of the first spool 12 has exhaust port 121, the middle part of the first spool 12 has the valve opening 122 be connected with vent 114, the first spring 13 is provided with between first spool 12 and valve pocket 111 top inner wall, the second spring 15 is provided with between the below of the first spool 12 is provided with bottom the second spool 14, second spool 14 and valve pocket 111; The sidepiece of valve body 11 has the main pore 115 being communicated with exhaust port 121 and external environment condition, the sidewall of valve pocket 111 has the suction port 116 being communicated with main pore 115 and valve opening 122 respectively.
In working procedure, when device interior air pressure reaches certain malleation value, first spool 12 and the second spool 14 are by jack-up, now the first spring 13 is compressed, air-flow is by vent 114 successively device for transferring outside after valve pocket 111, exhaust port 121, main pore 115 afterwards, after equipment internal air pressure stable equilibrium, stops exhaust, first spool 12 and the second spool 14 move down reset under the reposition force effect of the first spring 13, complete exhaust operation, when device interior air pressure reaches certain negative pressure value, first spool 12 keeps motionless, second spool 14 affects by negative pressure and moves down, second spring 15 is compressed, now disengage between the second spool 14 and the first spool 12 and form certain interval, outer gas stream is successively through main pore 115 afterwards, suction port 116, valve pocket 111 is entered behind the gap of valve opening 122 and the first spool 12 and the second spool 14, after pass into device interior through vent 114, after equipment internal air pressure stable equilibrium, stop suction, second spool 14 moves up reset under the second spring 15 reposition force effect, complete air-breathing operation.Described bi-directional breather valve has air-breathing and venting capacity concurrently, and its exhaust, breathing process stability and high efficiency, device interior air pressure can be adjusted in time fast, ensure device interior stable gas pressure balance.
In practical work process, control apparatus internal pressure state of equilibrium can be carried out by the force value presetting the first spring 13 and the second spring 15, run needs with the equipment under satisfied different working condition.
Further, the sidepiece of valve pocket 111 is provided with filtering cavity 117, filter core 16 is provided with in filtering cavity 117, filtering cavity 117 is connected with exhaust port 121 with main pore 115 respectively, suction port 116 is specifically positioned at filtering cavity 117 on the sidewall of valve pocket 111 side, and filtering cavity 117 is connected with valve opening 122 by suction port 116.This filter core 16 can impurity in breathing process in effective filter plant outside air, ensures that the gas of device interior is pure; In addition, the impurity be attached on filter core 16 can be blown off and discharge in the exhaust process of bi-directional breather valve, thus effectively prevent filter core 16 by impurity alluvial blocking, ensure that the central airways of its filtering effect and bi-directional breather valve is unimpeded.
In equipment actual moving process, owing to have employed exposed main pore 115 structure being arranged at valve body 11 sidepiece, make staff can pass through to observe the situation determining apparatus internal operation situation at this main pore 115 place, as speed reducer temperature anomaly, this hole of observable, if have a large amount of dust accretion in main pore 115, namely provable filter core 16 needs cleaned and changed or inhalation valve miscellaneous part to go wrong, and staff can process relevant issues in time accordingly.
More specifically, filter core 16 is stainless steel mesh filter core.This kind of stainless steel mesh filter core has certain structural strength, and the impurity that can bear appropriateness impacts, and reticular structure can effectively ensure contaminant filter effect.
It should be pointed out that above-mentioned filter core 16 is only preferred version for stainless steel mesh filter core, it can also be the filter screen of other materials or the Filters of other types, as long as can meet the actual use needs of described bi-directional breather valve.
On the other hand, the bottom of valve pocket 111 has inner ring boss 118, second spring 15 and is arranged between the second spool 14 and inner ring boss 118.This inner ring boss 118 can provide enough support forces for the second spring 15, and avoids having an impact to the agent structure of vent 114 and valve pocket 111 in the second spring 15 working procedure.
In addition, the bottom of vent 114 is provided with oil baffle 17.Under normal circumstances, the diameter of this oil baffle 17 is three times of vent 114 diameter, thus can effectively prevent the fluid bottom valve body 11 from pouring in vent 114.
In addition, in practical set using process, the major path and irregular port organization that form is coordinated by vent 114, oil baffle 17 and inner ring boss 118 etc., effectively can prevent from pouring fluid in vent 114 due to pasta tension force cannot reflux, and then under the promotion of air pressure, discharge main pore 115, cause oil impregnate phenomenon; Effectively ensure that the seepage-proof oil ability of bi-directional breather valve.
Should be clear and definite, specific in practical set using process, the height that valve body 11 top projection divides is less, can be 35mm usually, to obtain larger Aspect Ratio, thus effectively hide the shock of side direction foreign object, avoid the agent structure of bi-directional breather valve to sustain damage.
In summary, the bi-directional breather valve provided in the present invention, comprises valve body, and the middle part of described valve body has valve pocket, and the two bottom sides of described valve body is respectively arranged with filler opening and oil outlet, described valve pocket and be communicated with vent between described filler opening and described oil outlet; The middle part of described valve pocket is provided with the first spool, the sidepiece of described first spool has exhaust port, the middle part of described first spool has the valve opening be connected with described vent, the first spring is provided with between described first spool and described valve pocket top inner wall, the below of described first spool is provided with the second spool, is provided with the second spring between bottom described second spool and described valve pocket; The sidepiece of described valve body has the main pore being communicated with described exhaust port and external environment condition, the sidewall of described valve pocket has the suction port being communicated with described main pore and described valve opening respectively.In its working procedure, when device interior air pressure reaches certain malleation value, described first spool and described second spool are by jack-up, now described first spring is compressed, air-flow is by vent successively device for transferring outside after valve pocket, exhaust port, main pore afterwards, after equipment internal air pressure stable equilibrium, stops exhaust, first spool and the second spool move down reset under the reposition force effect of the first spring, complete exhaust operation; When device interior air pressure reaches certain negative pressure value, first spool keeps motionless, second spool affects by negative pressure and moves down, second spring is compressed, now the second spool and the first valve core chamber disengage and form certain interval, outer gas stream enters valve pocket successively behind the gap of main pore, suction port, valve opening and the first spool and the second spool afterwards, after pass into device interior through vent, after equipment internal air pressure stable equilibrium, stop suction, second spool moves up reset under the second spring restoring force effect, completes air-breathing operation.Described bi-directional breather valve has air-breathing and venting capacity concurrently, and its exhaust, breathing process stability and high efficiency, device interior air pressure can be adjusted in time fast, ensure device interior stable gas pressure balance.
Above bi-directional breather valve provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (5)
1. a bi-directional breather valve, is characterized in that: comprise valve body, and the middle part of described valve body has valve pocket, and the two bottom sides of described valve body is respectively arranged with filler opening and oil outlet, described valve pocket and be communicated with vent between described filler opening and described oil outlet;
The middle part of described valve pocket is provided with the first spool, the sidepiece of described first spool has exhaust port, the middle part of described first spool has the valve opening be connected with described vent, the first spring is provided with between described first spool and described valve pocket top inner wall, the below of described first spool is provided with the second spool, is provided with the second spring between bottom described second spool and described valve pocket;
The sidepiece of described valve body has the main pore being communicated with described exhaust port and external environment condition, the sidewall of described valve pocket has the suction port being communicated with described main pore and described valve opening respectively.
2. bi-directional breather valve as claimed in claim 1, it is characterized in that: the sidepiece of described valve pocket is provided with filtering cavity, filter core is provided with in described filtering cavity, described filtering cavity is connected with described exhaust port with described main pore respectively, described suction port is specifically positioned at described filtering cavity on the sidewall of described valve pocket side, and described filtering cavity is connected with described valve opening by described suction port.
3. bi-directional breather valve as claimed in claim 2, is characterized in that: described filter core is stainless steel mesh filter core.
4. bi-directional breather valve as claimed in claim 1, it is characterized in that: the bottom of described valve pocket has inner ring boss, described second spring is arranged between described second spool and described inner ring boss.
5. bi-directional breather valve as claimed in claim 1, is characterized in that: the bottom of described vent is provided with oil baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413427.9A CN104964075A (en) | 2015-07-14 | 2015-07-14 | Bidirectional breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413427.9A CN104964075A (en) | 2015-07-14 | 2015-07-14 | Bidirectional breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104964075A true CN104964075A (en) | 2015-10-07 |
Family
ID=54218127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510413427.9A Pending CN104964075A (en) | 2015-07-14 | 2015-07-14 | Bidirectional breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104964075A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181554A (en) * | 2018-02-23 | 2019-08-30 | 发那科株式会社 | Security unit and robot |
| CN110805687A (en) * | 2019-11-28 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Water-blocking ventilation box and gearbox |
| CN111878565A (en) * | 2020-08-24 | 2020-11-03 | 南京高速齿轮制造有限公司 | Respiratory valve device and gear box with temperature noise and vibration monitoring functions |
| CN112197158A (en) * | 2020-11-06 | 2021-01-08 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030116156A1 (en) * | 2001-12-20 | 2003-06-26 | Jackson Peter J. | Breathing apparatus |
| CN2739420Y (en) * | 2004-09-22 | 2005-11-09 | 宁夏西北奔牛实业集团有限公司 | Two-way ventilating sock |
| CN203906924U (en) * | 2014-06-11 | 2014-10-29 | 常州凯鹏液流器材有限公司 | Rollover prevention breather valve |
| CN203940063U (en) * | 2014-06-13 | 2014-11-12 | 陕西飞机工业（集团）有限公司 | A kind of aircraft fuel system adjustable bidirectional Safety valve |
| CN204805661U (en) * | 2015-07-14 | 2015-11-25 | 沃德传动（天津）股份有限公司 | Two -way breather valve |
-
2015
- 2015-07-14 CN CN201510413427.9A patent/CN104964075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030116156A1 (en) * | 2001-12-20 | 2003-06-26 | Jackson Peter J. | Breathing apparatus |
| CN2739420Y (en) * | 2004-09-22 | 2005-11-09 | 宁夏西北奔牛实业集团有限公司 | Two-way ventilating sock |
| CN203906924U (en) * | 2014-06-11 | 2014-10-29 | 常州凯鹏液流器材有限公司 | Rollover prevention breather valve |
| CN203940063U (en) * | 2014-06-13 | 2014-11-12 | 陕西飞机工业（集团）有限公司 | A kind of aircraft fuel system adjustable bidirectional Safety valve |
| CN204805661U (en) * | 2015-07-14 | 2015-11-25 | 沃德传动（天津）股份有限公司 | Two -way breather valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181554A (en) * | 2018-02-23 | 2019-08-30 | 发那科株式会社 | Security unit and robot |
| CN110805687A (en) * | 2019-11-28 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Water-blocking ventilation box and gearbox |
| CN111878565A (en) * | 2020-08-24 | 2020-11-03 | 南京高速齿轮制造有限公司 | Respiratory valve device and gear box with temperature noise and vibration monitoring functions |
| CN112197158A (en) * | 2020-11-06 | 2021-01-08 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
| CN112197158B (en) * | 2020-11-06 | 2021-04-06 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |