CN201957363U - Waterproof ventilation device - Google Patents
Waterproof ventilation device Download PDFInfo
- Publication number
- CN201957363U CN201957363U CN2010205976313U CN201020597631U CN201957363U CN 201957363 U CN201957363 U CN 201957363U CN 2010205976313 U CN2010205976313 U CN 2010205976313U CN 201020597631 U CN201020597631 U CN 201020597631U CN 201957363 U CN201957363 U CN 201957363U
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- endoporus
- waterproof
- inboard
- breathable
- outside
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Abstract
The utility model relates to a waterproof ventilation device which is installed on the wall of the sealed cabinet body or the cavity of outdoor equipment. The waterproof ventilation device comprises a ventilation base, a sealing ring, a waterproof washer, a waterproof ventilation film and a pressing block. A through hole with a bent angle is arranged in the base and the waterproof ventilation film is assembled in the middle of the through hole. The waterproof ventilation device not only can realize the balance between gas pressure inside an equipment cabinet and gas pressure outside the equipment cabinet under the general state, but also can continuously bear water pressure above one meter for several hours without causing water seepage, and therefore the goals of ventilation, water tightness, small and ingenious structure, and simplicity and convenience in installation are achieved.
Description
Affiliated technical field
The utility model relates to a kind of waterproof and breathable device that is used for airtight cabinet, relates in particular to a kind ofly can make airtight cabinet realize internal and external pressure balance, waterproof and breathable device waterproof insect protected, non-maintaining simultaneously.
Background technology
At present, known a lot of electrical outdoor subsets all need in its rack body or air in its cavity and the extraneous gas barrier that contains moisture, to prevent in these equipment enclosure or the parts in the cavity are corroded.But, so just two problems have been produced: one, these equipment enclosure body inside or inside cavity are airtight fully to external world mutually, so because the inside and outside cold and hot variation of cabinet or cavity can make equipment enclosure or cavity integral body be subjected to pressure from cabinet or cavity the inside or outside, severe patient in addition may cause cabinet or cavity craze and transfiguration, internal structure or even some function impaired.Its two, the parts such as storage battery in a lot of equipment enclosure bodies or the cavity can produce flammable or other gas, if long time integration can't emit in rack or cavity the inside, may cause serious consequences such as spontaneous combustion of device interior parts even blast.
Therefore, prior art mostly is that the problems referred to above are solved in the proprietary waterproof air channel of design, but this way has increased the structural complexity of equipment cabinet or cavity undoubtedly.Also have one or plurality of holes directly are set on equipment enclosure or cavity, the element plug of using similar bolt arrangement again is in hole, this design can realize ventilative requirement usually, but owing to there is not the function of enough dustproof, insect protected, waterproof, finally all can not satisfy required should waterproof and breathable, the specification requirement of features simple structure again.
Summary of the invention
For overcome existing outdoor equipment rack or cavity should waterproof again can not be by airtight air-locked deficiency fully, the utility model provides a kind of waterproof and breathable device, it can be installed easily, and can non-maintaining ground is long-term uses.
The technical scheme that its technical problem that solves the utility model adopts is: be used to be installed in the air permeable waterproof device on the wall of airtight cabinet of outdoor equipment or cavity, this waterproof and breathable device comprises a ventilative base, a waterproof ventilated membrane and a briquetting, wherein should comprise first and second parts by ventilative base, first is provided with outside endoporus, second portion is provided with inboard endoporus, this outside endoporus and inboard endoporus connect mutually, and this waterproof ventilated membrane and briquetting closely are fixed in this inboard endoporus.This waterproof and breathable device not only can be realized the gas pressure balancing that equipment enclosure is inside and outside in the normal state, and the hydraulic pressure some hrs that can continue to bear more than a meter is waterproof, thereby reaches permeable watertight and structure is small and exquisite, the easy-to-install target.
The beneficial effects of the utility model are, when can realize airtight cabinet waterproof, make things convenient for pernicious gases such as balance inside and outside differential pressure, discharging be inflammable, and device itself simple in structure, non-maintaining, be easy to installation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the three-dimensional exploded view of the utility model air permeable waterproof device.
Fig. 2 is the schematic cross-section of the utility model air permeable waterproof device.
Fig. 3 is the utility model air permeable waterproof Unit Installation using method schematic diagram.
Among Fig. 1: 1 ventilative base, 2O shape sealing ring, 3 waterproof washers, 4 waterproof ventilated membranes, 5 briquettings.
Among Fig. 2: 1 ventilative base, 10 firsts, 11 second portions, 12 outside endoporus, 13 inboard endoporus, 14 middle endoporus, 15 external screw threads, 16 seal grooves, 17 shoulders, 2O shape sealing ring, 3 waterproof washers, 4 waterproof ventilated membranes, 5 briquettings.
Among Fig. 3: 12 outside endoporus, the wall body of 6 racks or cavity, the A direction is rack or cavity lateral direction, the B direction is a side direction in rack or the cavity.
Embodiment
The specific embodiment of the utility model air permeable waterproof device sees also shown in Fig. 1-3.This air permeable waterproof device comprises a ventilative base (1), a sealing ring (2), a waterproof washer (3), a waterproof ventilated membrane (4) and a briquetting (5) (as shown in Figure 1).Wherein, this ventilative base (1) is metal material, and preferably stainless steel comprises first and second parts that be made into integration, column (10,11), and first (10) is bigger than second portion (11) lateral dimension.When the air permeable waterproof device is installed on the rack of certain outdoor equipment or the wall body of cavity (6) (ginseng Fig. 3), the first of ventilative base (1) is positioned at the outside of rack or cavity, and its second portion (11) then is positioned at the inboard of rack or cavity.Establish an outside endoporus (12) in the first (10) of ventilative base (1), second portion (11) is provided with an inboard endoporus (13), in first and second parts (10,11) endoporus (14) in the middle of also being provided with between, these three endoporus (12,13,14) connect mutually.Middle endoporus (14) is positioned between inboard endoporus (13) and the outside endoporus (12), and middle endoporus (14) and the coaxial setting of inboard endoporus (13), the axis of outside endoporus (12) are then vertical mutually with the axis of middle endoporus (14) and inboard endoporus (13) or can be angled.The internal diameter of inboard endoporus (13) is less than the internal diameter of middle endoporus (14), thus in the bottom of inboard endoporus (13), middle endoporus (14) promptly forms a shoulder (17) towards the junction of inboard endoporus (13).Inboard endoporus (13) is used for waterproof washer (3), waterproof ventilated membrane (4) and briquetting (5) are contained in it, and outside endoporus (12) is then directly opened setting to the external world.The outside dimension of briquetting (5) is a bit larger tham the internal diameter size of the inboard endoporus (13) of ventilative base (1).
The position that first and second parts (10,11) of ventilative base (1) are connected is provided with a seal groove (16) around a peripheral week of second portion (11), in order to place the sealing ring (2) of O shape.Second portion (11) front end outer peripheral face is provided with the external screw thread (15) of ring-type, with attaching nut (7) or be arranged on screwed hole on the wall body (6) of rack/cavity (under the thicker situation of this wall body (6)) and use.Breathing waterproof film (4) can be made by any material of ventilative and water-proof function of can realizing, is for example made by the material that is coated with polytetrafluoroethylene (PTFE).
When this air permeable waterproof device of assembling, earlier waterproof washer (3) is put into inboard endoporus (13), on the shoulder that is resisted against ventilative base (1) (17), then breathing waterproof film (4) is put into inboard endoporus (13), be close on the waterproof washer (3), at last briquetting (5) is pressed in the inboard endoporus (13), and tightly suppresses this breathing waterproof film (4).Between briquetting (5) and the inboard endoporus (13) is interference fit.Again O-ring seals (2) is snapped in the seal groove (16).
Shown in Figure 3 only is an application example of the utility model air permeable waterproof device.In this application example, the wall body of cabinet or cavity (6) is thinner.Therefore, the second portion of this waterproof and breathable device (11) passes the corresponding installing hole of its wall body (6) from the outside of cabinet or cavity, and sealing ring (2) promptly snaps in the installing hole of wall body (6), and closely is against wall body (6) upward to realize its sealing function.The external screw thread (15) of the second portion of ventilative base (1) stretches out wall body (6), directly uses a general nut (7) with its fastening getting final product.
When the cabinet of corresponding outdoor equipment or the wall body of cavity (6) are thicker, the external screw thread (15) of the second portion (11) of the utility model air permeable waterproof device then can directly screw in wall body (6) go up corresponding, be provided with in the female installing hole, get final product.In addition, also can not establish external screw thread (15) on ventilative base (1) second portion (11), and be fixed together by the wall body (6) of alternate manner and equipment cabinet or cavity, the unthreaded hole corresponding with wall body (6) such as second portion (11) can achieve a fixed connection by interference fit.Also can closely be connected and fixed between the inboard endoporus (13) of briquetting (5) and ventilative base (1) by engage thread.
Waterproof and breathable device of the present utility model not only can be realized the gas pressure balancing that the outdoor equipment rack is inside and outside in the normal state, and the hydraulic pressure some hrs that can continue to bear more than a meter is waterproof, thereby reaches permeable watertight and structure is small and exquisite, the easy-to-install target.Therefore, compare with existing known technology, the utility model air permeable waterproof device is when realizing airtight cabinet waterproof, can make things convenient for not only that balance cabinet or cavity inner and outer air pressure are poor, discharging pernicious gas such as inflammable, and this device also has, and itself is simple in structure, be easy to plurality of advantages such as installation, Maintenance free.
Claims (8)
1. one kind is used to be installed in a waterproof and breathable device on the equipment body, it is characterized in that: this waterproof and breathable device comprises a ventilative base (1), a waterproof ventilated membrane (4) and a briquetting (5), wherein should comprise first and second parts (10 by ventilative base (1), 11), first (10) is provided with outside endoporus (12), second portion (11) is provided with inboard endoporus (13), this outside endoporus (12) and inboard endoporus (13) connect mutually, and this waterproof ventilated membrane (4) and briquetting (5) closely are fixed in this inboard endoporus (13).
2. waterproof and breathable device according to claim 1 is characterized in that: be provided with a shoulder (17) in the described inboard endoporus (13), this waterproof ventilated membrane (4) promptly directly closely is connected on this shoulder (17).
3. waterproof and breathable device according to claim 2 is characterized in that: this waterproof and breathable device also comprises a waterproof washer (3), and this waterproof washer (3) promptly closely is located between described shoulder (17) and the waterproof ventilated membrane (4).
4. according to claim 2 or 3 described waterproof and breathable devices, it is characterized in that: be interference fit between this briquetting (5) and this inboard endoporus (13).
5. according to claim 2 or 3 described waterproof and breathable devices, it is characterized in that: endoporus (14) in the middle of between described inboard endoporus (13) and outside endoporus (12), being provided with, this centre endoporus (14) and the coaxial setting of inboard endoporus (13), the axis of outside endoporus (12) are then angled with middle endoporus (14) and inboard endoporus (13).
6. waterproof and breathable device according to claim 5, it is characterized in that: the internal diameter of described inboard endoporus (13) is less than the internal diameter of middle endoporus (14), thus in the bottom of inboard endoporus (13), middle endoporus (14) promptly forms aforementioned shoulder (17) with the junction of inboard endoporus (13).
7. waterproof and breathable device according to claim 6 is characterized in that: the periphery of the second portion (11) of ventilative base (1) is provided with external screw thread (15).
8. waterproof and breathable device according to claim 6 is characterized in that: go up, be provided with a seal groove (16) with first (10) connection, in order to place a sealing ring (2) at ventilative base (1) and second portion (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205976313U CN201957363U (en) | 2010-11-09 | 2010-11-09 | Waterproof ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205976313U CN201957363U (en) | 2010-11-09 | 2010-11-09 | Waterproof ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201957363U true CN201957363U (en) | 2011-08-31 |
Family
ID=44501464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205976313U Expired - Fee Related CN201957363U (en) | 2010-11-09 | 2010-11-09 | Waterproof ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201957363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144504A (en) * | 2013-03-19 | 2013-06-12 | 苏州驶安特汽车电子有限公司 | Dustproof ventilating device for sensor, dustproof ventilating sensor and dustproof ventilating method for sensor |
| CN107041094A (en) * | 2017-06-09 | 2017-08-11 | 广东小天才科技有限公司 | Intelligent terminal with pressure equaliser |
| CN110356897A (en) * | 2019-07-30 | 2019-10-22 | 周宇凡 | A kind of rubber roller |
-
2010
- 2010-11-09 CN CN2010205976313U patent/CN201957363U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144504A (en) * | 2013-03-19 | 2013-06-12 | 苏州驶安特汽车电子有限公司 | Dustproof ventilating device for sensor, dustproof ventilating sensor and dustproof ventilating method for sensor |
| CN107041094A (en) * | 2017-06-09 | 2017-08-11 | 广东小天才科技有限公司 | Intelligent terminal with pressure equaliser |
| CN110356897A (en) * | 2019-07-30 | 2019-10-22 | 周宇凡 | A kind of rubber roller |
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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: 20110831 Termination date: 20111109 |