CN202082892U - Breathing plug - Google Patents
Breathing plug Download PDFInfo
- Publication number
- CN202082892U CN202082892U CN 201120091240 CN201120091240U CN202082892U CN 202082892 U CN202082892 U CN 202082892U CN 201120091240 CN201120091240 CN 201120091240 CN 201120091240 U CN201120091240 U CN 201120091240U CN 202082892 U CN202082892 U CN 202082892U
- Authority
- CN
- China
- Prior art keywords
- cap
- erection column
- housing
- mounting column
- breather plug
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a breathing plug, which includes a hollow mounting column (1), a waterproof ventilated membrane (2) placed at the top of the mounting column (1), a lower cap (3) installed at the top of the mounting column (1), and an upper cap (4); wherein external threads matched with a housing of the product in an installing manner are arranged at the bottom of the mounting column (1); a plurality of breather holes (1.1) are arranged at the top of the mounting column (1); the upper cap (4) is detachably connected with the upper end of the lower cap (3); and a plurality of through holes (5) are formed between the outer circumferential surfaces of the upper cap (4) and the lower cap (3). The breathing plug can balance the bilateral pressure inside and outside the housing when temperature and pressure of the housing vary through the waterproof ventilated membrane and the breather holes arranged therein, so as to effectively avoid the adverse impact on the housing brought by the pressure difference due to the temperature variation, and further prolong the service life of the product; and the breathing plug can effectively prevent water, dust, insects and the like from permeating the housing.
Description
Technical field
The utility model relates to waterproof and dustproof spare field, particularly a kind of breather plug.
Background technology
The light fixture of outdoor layout or the case of electronic product are bearing extraneous temperature and pressure continually to be changed.Constantly temperature, dust, dirt and the moisture that changes affects the case of light fixture or electronic product widely, has a strong impact on the performance of product.The waterproof of present prior art, dust guard normally adopts the mode of totally-enclosed design, can fully play waterproof, the dustproof effect, but because the light fixture or the electronic product of outdoor use often need frequently carry out switching manipulation in running, can cause the closed interior space of light fixture or electronic product to form the rapid increase of inner and outer air pressure difference owing to the temperature acute variation, under the effect of air pressure, some connecting portions of sealing shell can produce the close phenomenon of bad sealing, thereby the rainwater that causes external environment, moist fog enters case inside, moisture is attached on the inwall of case and condense into the globule, to cause circuit performance aging, initiating failure, reduction of service life.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of and can effectively play the water proof and dust proof effect, and good permeability, can prolong the breather plug of life of product.
The technical scheme in the invention for solving the above technical problem is: a kind of breather plug comprises the erection column of hollow, the waterproof ventilated membrane that places the erection column top, the following cap that is installed on the erection column top and last cap; The bottom of described erection column is provided with the case of product the external screw thread that cooperates is installed, the top of described erection column is provided with a plurality of air-vents, described upward cap is removable to be connected in described cap down upper end, and forms a plurality of through holes between the outer circumference surface of described upward cap and following cap.
Compared with prior art; advantage of the present utility model is: this breather plug is because waterproof ventilated membrane and air-vent wherein; can make the pressure of case inside and outside both sides of balance case when temperature and pressure changes; can protect pressure reduction that case avoids causing owing to variations in temperature to the negative effect that case brings effectively, prolong the life-span of product.This breather plug can effectively stop water, dust and insect etc. to infiltrate casing inside simultaneously.
As preferably, the described removable described cap down upper end that is connected in of cap of going up is meant and describedly goes up a plurality of card bases that cap is provided with by the bottom and be sticked in a plurality of draw-in grooves of described cap down.Like this, the installation and removal of last cap are all convenient.
As preferably, it it also comprise the hex nut that matches with the external screw thread of described erection column.Hex nut can be used for fastening this breather plug, and the installation of breather plug is more firm.
Description of drawings
Fig. 1 is the blast structural representation of the utility model breather plug.
Fig. 2 is the perspective view of the utility model breather plug.
Cap, 4.1 card bases, 5 through holes on 1 erection column, 1.1 air-vents, 2 waterproof ventilated membranes, 3 times caps, 3.1 draw-in grooves, 4.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Shown in Fig. 1-2, a kind of breather plug comprises the erection column 1 of hollow, the waterproof ventilated membrane 2 that places erection column 1 top, the following cap 3 that is installed on erection column 1 top and last cap 4; The bottom of described erection column 1 is provided with the case of product the external screw thread that cooperates is installed, the top of described erection column 1 is provided with a plurality of air-vents 1.1, describedly go up that cap 4 is removable to be connected in described cap 3 upper ends down, and a plurality of through holes 5 of formation between the described outer circumference surface of going up cap 4 and following cap 3.
Describedly go up that cap 4 is removable to be connected in described cap 3 upper ends down, be meant and describedly go up a plurality of card bases 4.1 that cap 4 is provided with by the bottom and be sticked in a plurality of draw-in grooves 3.1 of described cap 3 down.
It also comprises the hex nut that matches with the external screw thread of described erection column 1.
Below only be described, but can not be interpreted as it is restriction claim with regard to most preferred embodiment of the present utility model.The utility model not only is confined to above embodiment, and its concrete structure allows variation.All various variations of being done in the protection domain of the utility model independent claims are all in the utility model protection domain.
Claims (3)
1. a breather plug comprises the erection column (1) of hollow, the waterproof ventilated membrane (2) that places erection column (1) top, the following cap (3) that is installed on erection column (1) top and last cap (4); It is characterized in that: the bottom of described erection column (1) is provided with the case of product the external screw thread that cooperates is installed, the top of described erection column (1) is provided with a plurality of air-vents (1.1), described upward cap (4) is removable to be connected in described cap (3) down upper end, and forms a plurality of through holes (5) between the outer circumference surface of described upward cap (4) and following cap (3).
2. a kind of breather plug according to claim 1, it is characterized in that: described removable described cap (3) the down upper end that is connected in of cap (4) of going up is meant that a plurality of card bases (4.1) that described upward cap (4) is provided with by the bottom are sticked in a plurality of draw-in grooves (3.1) of described cap (3) down.
3. a kind of breather plug according to claim 1 is characterized in that: it also comprises the hex nut that matches with the external screw thread of described erection column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120091240 CN202082892U (en) | 2011-03-31 | 2011-03-31 | Breathing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120091240 CN202082892U (en) | 2011-03-31 | 2011-03-31 | Breathing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082892U true CN202082892U (en) | 2011-12-21 |
Family
ID=45343519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120091240 Expired - Fee Related CN202082892U (en) | 2011-03-31 | 2011-03-31 | Breathing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090912A (en) * | 2014-05-20 | 2015-11-25 | 苏州欧普照明有限公司 | Breather for lamp and lamp with breather |
| CN109163129A (en) * | 2018-09-21 | 2019-01-08 | 奇瑞汽车股份有限公司 | A kind of covering plate structure of shell |
-
2011
- 2011-03-31 CN CN 201120091240 patent/CN202082892U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090912A (en) * | 2014-05-20 | 2015-11-25 | 苏州欧普照明有限公司 | Breather for lamp and lamp with breather |
| CN105090912B (en) * | 2014-05-20 | 2018-02-09 | 苏州欧普照明有限公司 | A kind of respirator for light fixture and the light fixture with the respirator |
| CN109163129A (en) * | 2018-09-21 | 2019-01-08 | 奇瑞汽车股份有限公司 | A kind of covering plate structure of shell |
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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: 20111221 Termination date: 20140331 |