CN205207826U - Water -proof ventilation valve - Google Patents
Water -proof ventilation valve Download PDFInfo
- Publication number
- CN205207826U CN205207826U CN201520865904.0U CN201520865904U CN205207826U CN 205207826 U CN205207826 U CN 205207826U CN 201520865904 U CN201520865904 U CN 201520865904U CN 205207826 U CN205207826 U CN 205207826U
- Authority
- CN
- China
- Prior art keywords
- shell
- waterproof
- ventilated membrane
- vent
- water
- 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.)
- Active
Links
Abstract
The utility model provides a water -proof ventilation valve belongs to exhaust apparatus technical field. It has solved the current problem that the water -proof ventilation valve structure is complicated and water tightness is poor. It keeps off the edge to have the annular on the lateral wall at this water -proof ventilation valve shell top, the annular is kept off along being outer hexagonal form, the annular clamped portion has on the inside wall of shell, have in the fixed part along the through -hole of shell axial setting, step face and internal thread have on the inside wall of through -hole, ventilating cover includes ventilation part and connecting portion, ventilating cover's bottom has the blind hole, a plurality of along the radial air vent that sets up of shell has among the ventilation part, the border of support frame supports and leans on on the step face, the laminating of waterproof ventilated membrane is in the top of support frame, the border of waterproof ventilated membrane bottom bonds with the support frame and links firmly, connecting portion and fixed part link firmly through the screw thread and make support frame and waterproof ventilated membrane fix between shell and ventilating cover. This water -proof ventilation valve has the advantage that water tightness is gone with by simple structure.
Description
Technical field
The utility model belongs to venting gas appliance technical field, relates to a kind of waterproof vent valve.
Background technique
Along with open-air industrial product is constantly to the development of intellectuality, controlledization, miniaturization, the requirement of shelter of its internal core control system to outside protective housing is also more and more higher.As outdoor lighting lamp, communications equipment, sophisticated electronics etc., substantially all reach more than IP68 to the security level of outside protective housing, will there is tightness problem like this.Such as, the equipment that telecommunications industry uses subjects the impact that ambient temperature fluctuates rapidly, also can contact various particle simultaneously, and is exposed to the various weather conditions such as wind, rain, sunlight irradiation all the time and descends.Installed the equipment such as the tower top antenna of active electronic device operationally, heat can in apparatus casing accumulated inside.This will cause pressure to increase, and make housing seal bar bear larger stress.In addition, once precipitate heavy rain or high wind may cause that there's a sudden fall in temperature, and form the even larger vacuum of 200mbar in apparatus casing inside, this will make housing seal bar bear larger stress equally thereupon.If housing external and internal pressure can not realize balance, the water in external environment condition, moisture, dust and dirt just can enter enclosure interior by sealing off gap.This likely produces harmful effect to the performance of communications equipment, causes more maintenance work or larger reprocesses cost.
Under this situation, a kind of can breathe freely newly, eptfe membrane waterproof has again been born, eptfe membrane must and the base material such as terylene, nonwovens to carry out lamination laminating.By the outer protection housing of industrial products out of doors sets up outlet valve; then seal gear by eptfe membrane to run in pore; just can ensure the security level of protective housing; housing internal and external pressure balance can be realized again, thus efficiently avoid the water occurred in external environment condition, moisture, dust and dirt and enter the phenomenon of enclosure interior by sealing off gap.But, adopt the most structure of venting gas appliance of this kind of eptfe membrane comparatively complicated at present, and water-stop is poor.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of waterproof vent valve, solves how to make that existing ventilation valve structure is simple and water-stop is good.
The purpose of this utility model realizes by following technical proposal: a kind of waterproof vent valve, it is characterized in that, comprise tubular shell, vent cap, supporting frame and waterproof ventilated membrane, described shell is external thread structure, the outer side wall of described cover top portion has outwardly annular gear edge, described annular gear is along being outer-hexagonal shape, the madial wall of described shell has annular fixing part, have along enclosure axis to the through hole arranged in described fixing part, the madial wall of described through hole have step surface and internal thread, described vent cap comprises ventilating part and joint, the bottom of described vent cap has blind hole, there is in described ventilating part the vent that several are arranged along shell radial direction, the inner of described vent is connected with blind hole, outer end is connected with the external world, the edge of described supporting frame is resisted against on step surface, described waterproof ventilated membrane is fitted in the top of supporting frame, edge bottom described waterproof ventilated membrane and supporting frame bond and are connected, described joint and fixing part are connected by screw thread and supporting frame and waterproof ventilated membrane are fixed between shell and vent cap.
The outer side wall of shell has outside thread, this waterproof vent valve is connected on the housing of equipment by screw thread, annular gear uses tool into rotation shell along in outer-hexagonal shape easy-to-operat person, waterproof ventilated membrane has waterproof and ventilative function, make the inside of apparatus casing by the through hole in shell, hole in supporting frame, waterproof ventilated membrane, blind hole is connected with the external world with vent, the outer end of vent is positioned at the sidepiece of vent cap, make water, dust, dirts etc. not easily enter into the inside of this waterproof vent valve, this waterproof vent valve component are less, structure is simple, water-stop is good.
In above-mentioned a kind of waterproof vent valve, described supporting frame comprise edge positioning part in the form of a ring and be arranged in positioning part in criss-cross butting section, described position point is between step surface and joint.Have the hole that supplied gas is passed through in supporting frame, position point is between step surface and joint, and the firmness making supporting frame fixing is high.
In above-mentioned a kind of waterproof vent valve, described waterproof vent valve also comprises seal ring, and the bottom on described annular gear edge has packing holder, and described seal ring is arranged in packing holder and described seal ring part protrudes from outside packing holder.Seal ring plays the effect of sealing, the gap between sealed water-proof air permeable valve and apparatus casing, makes water can not enter into the housing of equipment from this gap, makes the water-stop of this waterproof vent valve good.
In above-mentioned a kind of waterproof vent valve, described waterproof ventilated membrane is made up of the hydrophobicity expanded PTFE material of breathing freely.Waterproof ventilated membrane has the feature of oil repellency, hydrophobicity, and namely oil and water is not by waterproof ventilated membrane, only has gas just can, through waterproof ventilated membrane, make the water-stop of this waterproof vent valve good.
In above-mentioned a kind of waterproof vent valve, the ventilating part of described vent cap is outer-hexagonal shape.Vent cap is positioned at the inside of shell, and ventilating part is outer-hexagonal shape, and easy-to-operat person uses the instruments such as external hexagonal sleeve to rotate vent cap.
Compared with prior art, the waterproof vent valve that the utility model provides has the following advantages:
1, this waterproof vent valve only includes shell, supporting frame, waterproof ventilated membrane, vent cap and seal ring, and vent cap and shell are connected by screw thread, and is fixed between shell and vent cap by supporting frame and waterproof ventilated membrane after being connected, and structure is simple.
2, this waterproof vent valve arranges waterproof ventilated membrane and seal ring, and waterproof ventilated membrane is connected between shell and vent cap, and the outer end of vent is the sidepiece being positioned at vent cap, makes this waterproof vent valve water-stop good.
Accompanying drawing explanation
Fig. 1 is the overall structure sectional view of this waterproof vent valve.
Fig. 2 is the plan view of this waterproof vent valve.
Fig. 3 is the structural representation of this waterproof vent valve supporting frame.
In figure, 1, shell; 2, vent cap; 21, ventilating part; 22, joint; 23, blind hole; 24, vent; 3, supporting frame; 31, positioning part; 32, butting section; 4, waterproof ventilated membrane; 5, annular gear edge; 6, fixing part; 7, through hole; 8, step surface; 9, seal ring; 10, packing holder.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this waterproof vent valve comprises shell 1, vent cap 2, supporting frame 3, waterproof ventilated membrane 4 and seal ring 9.
Shell 1 is in tubular, and shell 1 is external thread structure, the outer side wall at shell 1 top has outwardly annular gear along 5, as shown in Figure 2, annular gear is outer-hexagonal shape along 5, annular gear has packing holder 10 along the bottom of 5, and be provided with seal ring 9 in packing holder 10, seal ring 9 part protrudes from outside packing holder 10.
The madial wall of shell 1 has annular fixing part 6, there is in fixing part 6 through hole 7 axially arranged along shell 1, the madial wall of through hole 7 have step surface 8 and internal thread, vent cap 2 comprises ventilating part 21 and joint 22, ventilating part 21 is in outer-hexagonal shape, joint 22 is external thread structure, the bottom of vent cap 2 has blind hole 23, in the present embodiment, there are in ventilating part 21 eight vents 24 arranged along shell 1 radial direction, in actual production, the quantity of vent 24 can be four or 12, the inner of vent 24 is connected with blind hole 23, outer end is connected with the external world, and the outer end of vent 24 is positioned on the sidewall of ventilating part 21.
As shown in Figure 3, supporting frame 3 comprise edge positioning part in the form of a ring 31 and be arranged in positioning part 31 in criss-cross butting section 32, positioning part 31 is between step surface 8 and joint 22, waterproof ventilated membrane 4 is made up of the hydrophobicity expanded PTFE material of breathing freely, waterproof ventilated membrane 4 is fitted in the top of supporting frame 3, edge bottom waterproof ventilated membrane 4 and supporting frame 3 bond and are connected, and joint 22 and fixing part 6 are connected by screw thread and supporting frame 3 and waterproof ventilated membrane 4 are fixed between shell 1 and vent cap 2.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ herein shell 1, vent cap 2, ventilating part 21, joint 22, blind hole 23, vent 24, supporting frame 3, positioning part 31, butting section 32, waterproof ventilated membrane 4, annular gear along 5, the term such as fixing part 6, through hole 7, step surface 8, seal ring 9, packing holder 10, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a waterproof vent valve, it is characterized in that, comprise tubular shell (1), vent cap (2), supporting frame (3) and waterproof ventilated membrane (4), described shell (1) is external thread structure, the outer side wall at described shell (1) top has outwardly annular gear along (5), described annular gear edge (5) is in outer-hexagonal shape, the madial wall of described shell (1) has annular fixing part (6), there is in described fixing part (6) through hole (7) axially arranged along shell (1), the madial wall of described through hole (7) have step surface (8) and internal thread, described vent cap (2) comprises ventilating part (21) and joint (22), the bottom of described vent cap (2) has blind hole (23), there is in described ventilating part (21) vent (24) that several are arranged along shell (1) radial direction, the inner of described vent (24) is connected with blind hole (23), outer end is connected with the external world, the edge of described supporting frame (3) is resisted against on step surface (8), described waterproof ventilated membrane (4) is fitted in the top of supporting frame (3), the edge of described waterproof ventilated membrane (4) bottom and supporting frame (3) bond and are connected, described joint (22) and fixing part (6) are connected by screw thread and supporting frame (3) and waterproof ventilated membrane (4) are fixed between shell (1) and vent cap (2).
2. a kind of waterproof vent valve according to claim 1, it is characterized in that, described supporting frame (3) comprise edge positioning part (31) in the form of a ring and be arranged in positioning part (31) in criss-cross butting section (32), described positioning part (31) is positioned between step surface (8) and joint (22).
3. a kind of waterproof vent valve according to claim 1, it is characterized in that, described waterproof vent valve also comprises seal ring (9), described annular gear has packing holder (10) along the bottom of (5), and described seal ring (9) is arranged in packing holder (10) and described seal ring (9) part protrudes from packing holder (10) outward.
4. a kind of waterproof vent valve according to claim 1 or 2 or 3, is characterized in that, described waterproof ventilated membrane (4) is made up of the hydrophobicity expanded PTFE material of breathing freely.
5. a kind of waterproof vent valve according to claim 1 or 2 or 3, is characterized in that, the ventilating part (21) of described vent cap (2) is in outer-hexagonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865904.0U CN205207826U (en) | 2015-11-02 | 2015-11-02 | Water -proof ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865904.0U CN205207826U (en) | 2015-11-02 | 2015-11-02 | Water -proof ventilation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207826U true CN205207826U (en) | 2016-05-04 |
Family
ID=55845544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520865904.0U Active CN205207826U (en) | 2015-11-02 | 2015-11-02 | Water -proof ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207826U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106666980A (en) * | 2017-02-14 | 2017-05-17 | 黄山鼎瑞新实业有限公司 | Safety protection box |
| CN109623363A (en) * | 2018-12-21 | 2019-04-16 | 江西航同电气科技有限公司 | A kind of vent valve production process and equipment |
| CN109854795A (en) * | 2019-01-23 | 2019-06-07 | 西安铁路职业技术学院 | Apply to the labyrinth type waterproof vent valve and its waterproof and breathable method of confined space |
| CN110494685A (en) * | 2017-04-07 | 2019-11-22 | 亨斯迈先进材料许可(瑞士)有限公司 | Valve gear, cap assemblies, container and its use |
| CN114554743A (en) * | 2020-11-27 | 2022-05-27 | 北京亿华通科技股份有限公司 | Waterproof ventilative device and electrical equipment |
-
2015
- 2015-11-02 CN CN201520865904.0U patent/CN205207826U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106666980A (en) * | 2017-02-14 | 2017-05-17 | 黄山鼎瑞新实业有限公司 | Safety protection box |
| CN110494685A (en) * | 2017-04-07 | 2019-11-22 | 亨斯迈先进材料许可(瑞士)有限公司 | Valve gear, cap assemblies, container and its use |
| CN109623363A (en) * | 2018-12-21 | 2019-04-16 | 江西航同电气科技有限公司 | A kind of vent valve production process and equipment |
| CN109854795A (en) * | 2019-01-23 | 2019-06-07 | 西安铁路职业技术学院 | Apply to the labyrinth type waterproof vent valve and its waterproof and breathable method of confined space |
| CN109854795B (en) * | 2019-01-23 | 2020-06-30 | 西安铁路职业技术学院 | Labyrinth type waterproof ventilation valve applied to closed space and waterproof ventilation method thereof |
| CN114554743A (en) * | 2020-11-27 | 2022-05-27 | 北京亿华通科技股份有限公司 | Waterproof ventilative device and electrical equipment |
| CN114554743B (en) * | 2020-11-27 | 2023-10-03 | 北京亿华通科技股份有限公司 | Waterproof ventilation device and electrical equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205207826U (en) | Water -proof ventilation valve | |
| CN205207763U (en) | Waterproof ventilation valve of buckle formula | |
| CN205207827U (en) | Novel waterproof ventilation valve | |
| CN205207824U (en) | Waterproof ventilation valve of heat dissipation type | |
| CN102808979A (en) | Shielding waterproof ventilated valve | |
| CN102984905B (en) | A kind of LED seals power supply and encapsulating method thereof | |
| CN203670707U (en) | Waterproof vent plug for speed reducer and speed reducer with same | |
| CN201909072U (en) | Waterproof, dustproof, ventilated and heat-dissipating breathing device of outdoor seal equipment | |
| CN205213187U (en) | Communications facilities case | |
| CN201462128U (en) | Water-proof ventilation valve | |
| CN101769526B (en) | Water-proof lamp with breathing device | |
| CN103134031B (en) | Electronic device and connector | |
| CN205207823U (en) | Waterproof ventilation valve of spiro union formula | |
| CN202118338U (en) | Screen waterproof ventilating valve | |
| CN201982716U (en) | Waterproof ventilation valve | |
| CN205207762U (en) | Waterproof ventilation valve of column | |
| CN206329785U (en) | A kind of shield type waterproof vent valve | |
| CN205207825U (en) | Waterproof ventilation valve of fold -type | |
| CN205207822U (en) | Waterproof ventilation valve of wave type | |
| CN201348551Y (en) | Waterproof structure of engine oil pressure sensor | |
| CN205207764U (en) | Waterproof discharge valve | |
| CN101868131B (en) | Waterproof vent valve and encapsulation method thereof | |
| CN107816674A (en) | A kind of LED ceiling lamp suitable for complex environment | |
| CN105351336A (en) | Air-permeable nut for protection of electrical and electronic equipment | |
| CN207648751U (en) | A kind of water proof and dust proof vent valve on sealed lamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |