CN205207825U - Waterproof ventilation valve of fold -type - Google Patents
Waterproof ventilation valve of fold -type Download PDFInfo
- Publication number
- CN205207825U CN205207825U CN201520865355.7U CN201520865355U CN205207825U CN 205207825 U CN205207825 U CN 205207825U CN 201520865355 U CN201520865355 U CN 201520865355U CN 205207825 U CN205207825 U CN 205207825U
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- CN
- China
- Prior art keywords
- fold
- bracing ring
- waterproof
- ventilated membrane
- fixing bolt
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Abstract
The utility model provides a waterproof ventilation valve of fold -type belongs to exhaust apparatus technical field. It has solved the current problem that waterproof ventilation valve structure is complicated and water tightness is poor. This waterproof ventilation valve of fold -type fixing bolt's inside has the through -hole, fixing bolt's top is the fixed part, the bottom of bracing ring has the fixed loop, naturally, form the step face between fixed loop and the bracing ring, the fixed part is worn to establish to handle through the banding of moulding plastics in the fixed loop and is made fixing bolt link firmly mutually with the bracing ring, the waterproof gas -permeable section of centre for being fold -type of waterproof ventilated membrane, the border of waterproof ventilated membrane is located and makes waterproof ventilated membrane fix between fixing bolt and bracing ring between fixed part and the step face, the border department at bracing ring top has the space block that a plurality of protrusion set up, the top of space block has the fixed column, the fixed column makes bracing ring and visor link firmly mutually in inserting the visor. This waterproof ventilation valve of fold -type 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 fold-type 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 fold-type 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 fold-type waterproof vent valve, it is characterized in that, comprise fixing bolt, waterproof ventilated membrane, bracing ring and protective cover, described fixing bolt is external thread structure, the inside of described fixing bolt has the through hole that the axis along fixing bolt is arranged, the top of described fixing bolt is cylindrical fixing part, the bottom of described bracing ring has the retaining ring matched with fixing part, self-assembling formation step surface between described retaining ring and bracing ring, described fixing part is located in retaining ring and by injection edge sealing process, fixing bolt is connected mutually with bracing ring, the centre of described waterproof ventilated membrane is the waterproof and breathable portion in fold-type, the edge of the described waterproof ventilated membrane waterproof ventilated membrane described in the chien shih of fixing part and step surface is fixed between fixing bolt and bracing ring, the edge at described bracing ring top has several and protrudes the spacer block arranged, between two adjacent spacer blocks, there is gap, the top of described spacer block has fixing column, described fixing column is inserted in protective cover and bracing ring is connected mutually with protective cover.
This waterproof vent valve is fixed on the housing of equipment by worm structure, waterproof ventilated membrane has waterproof and ventilative function, make the inside of apparatus casing by the through hole in fixing bolt, waterproof ventilated membrane, hole in bracing ring and the gap between bracing ring with protective cover are connected with the external world, gap is positioned at the sidepiece of bracing ring and protective cover, make water, dust, dirts etc. not easily enter into the inside of this waterproof vent valve, and be fixed bolt and bracing ring of waterproof ventilated membrane seals and surrounds, the problem of seepage can not be there is in waterproof ventilated membrane, this waterproof vent valve component are less, structure is simple, water-stop is good, the centre of waterproof ventilated membrane is fold-type, make the centre of waterproof ventilated membrane thicker, not fragile.
In above-mentioned a kind of fold-type waterproof vent valve, have in described fixing part in criss-cross supporting frame, described supporting frame is arranged in through hole, and the top of the top of supporting frame and fixing part seamlessly transits, described waterproof ventilated membrane is fitted on supporting frame, and described waterproof ventilated membrane is the low setting of middle high surrounding.Supporting frame plays the effect of support to waterproof ventilated membrane, the top of supporting frame and the top of fixing part can not be pressed against after seamlessly transitting and waterproof ventilated membrane being installed, waterproof ventilated membrane is that middle high surrounding is low after installing, water on waterproof ventilated membrane is easier to flow out towards surrounding, can not ponding, make waterproof ventilated membrane have waterproof and ventilatory function all the time.
In above-mentioned a kind of fold-type waterproof vent valve, described bracing ring, retaining ring, spacer block and fixing column are integral structures.Bracing ring, retaining ring, spacer block and fixing column are by injection moulding once-through, easy to process.
In above-mentioned a kind of fold-type 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 fold-type waterproof vent valve, described waterproof vent valve also comprises seal ring, and described seal ring is enclosed within fixing bolt.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 fold-type waterproof vent valve, described bracing ring and protective cover drive fit are connected or described bracing ring and protective cover are connected mutually by glue.The firmness be connected is high.
In above-mentioned a kind of fold-type waterproof vent valve, the quantity of described spacer block is 3-10 block.The quantity of spacer block sets according to actual conditions.
Compared with prior art, the fold-type waterproof vent valve that the utility model provides has the following advantages:
1, this waterproof vent valve only includes fixing bolt, waterproof ventilated membrane, bracing ring, retaining ring, protective cover and seal ring, and fixing bolt and bracing ring are connected by injection edge sealing, and bracing ring and protective cover drive fit are connected, and structure is simple.
2, this waterproof vent valve arranges waterproof ventilated membrane and the seal ring that centre has fold-type, and waterproof ventilated membrane can not damage, and waterproof ventilated membrane is connected between fixing bolt and bracing ring by injection edge sealing, and waterproof ventilated membrane place can not seepage; Waterproof ventilated membrane is the low setting of middle high surrounding, and the gap between bracing ring and protective cover is positioned at the sidepiece of waterproof vent valve, this waterproof vent valve can be breathed freely all the time, and water-stop is good.
Accompanying drawing explanation
Fig. 1 is the overall structure explosive view of this fold-type waterproof vent valve.
Fig. 2 is the structural representation of this fold-type waterproof vent valve bracing ring and retaining ring.
In figure, 1, fixing bolt; 2, waterproof ventilated membrane; 3, bracing ring; 4, protective cover; 5, through hole; 6, fixing part; 7, retaining ring; 8, step surface; 9, spacer block; 10, gap; 11, fixing column; 12, supporting frame; 13, seal ring.
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 fold-type waterproof vent valve comprises fixing bolt 1, waterproof ventilated membrane 2, bracing ring 3, protective cover 4 and seal ring 13.
Seal ring 13 is enclosed within fixing bolt 1, fixing bolt 1 is external thread structure, the inside of fixing bolt 1 has the through hole 5 that the axis along fixing bolt 1 is arranged, the top of fixing bolt 1 is cylindrical fixing part 6, have in criss-cross supporting frame 12 in fixing part 6, supporting frame 12 is arranged in through hole 5, and the top of the top of supporting frame 12 and fixing part 6 seamlessly transits.
As shown in Figure 2, the bottom of bracing ring 3 has the retaining ring 7 matched with fixing part 6, self-assembling formation step surface 8 between retaining ring 7 and bracing ring 3, and fixing part 6 is located in retaining ring 7 and by injection edge sealing process, fixing bolt 1 is connected mutually with bracing ring 3.Waterproof ventilated membrane 2 is made up of the hydrophobicity expanded PTFE material of breathing freely, the centre of waterproof ventilated membrane 2 is the waterproof and breathable portion in fold-type, and the edge of waterproof ventilated membrane 2 is fixed between fixing bolt 1 and bracing ring 3 at the chien shih waterproof ventilated membrane 2 of fixing part 6 and step surface 8.Waterproof ventilated membrane 2 is fitted on supporting frame 12, and waterproof ventilated membrane 2 is in the low setting of middle high surrounding.
In the present embodiment; the edge at bracing ring 3 top has six and protrudes the spacer block 9 arranged; between two adjacent spacer blocks 9, there is gap 10; in actual production, the quantity of spacer block 9 can be three or ten, and the top of spacer block 9 has fixing column 11; in the present embodiment; fixing column 11 is inserted in protective cover 4 and bracing ring 3 is connected mutually with protective cover 4 drive fit, and in actual production, bracing ring 3 can be connected by glue mutually with protective cover 4.Bracing ring 3, retaining ring 7, spacer block 9 and fixing column 11 are integral structures.
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 the terms such as fixing bolt 1, waterproof ventilated membrane 2, bracing ring 3, protective cover 4, through hole 5, fixing part 6, retaining ring 7, step surface 8, spacer block 9, gap 10, fixing column 11, supporting frame 12, seal ring 13 herein, 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 (7)
1. a fold-type waterproof vent valve, it is characterized in that, comprise fixing bolt (1), waterproof ventilated membrane (2), bracing ring (3) and protective cover (4), described fixing bolt (1) is external thread structure, the inside of described fixing bolt (1) has the through hole (5) that the axis along fixing bolt (1) is arranged, the top of described fixing bolt (1) is cylindrical fixing part (6), the bottom of described bracing ring (3) has the retaining ring (7) matched with fixing part (6), self-assembling formation step surface (8) between described retaining ring (7) and bracing ring (3), described fixing part (6) is located in retaining ring (7) and by injection edge sealing process, fixing bolt (1) is connected mutually with bracing ring (3), the centre of described waterproof ventilated membrane (2) is the waterproof and breathable portion in fold-type, the waterproof ventilated membrane (2) described in chien shih that the edge of described waterproof ventilated membrane (2) is positioned at fixing part (6) and step surface (8) is fixed between fixing bolt (1) and bracing ring (3), the edge at described bracing ring (3) top has several and protrudes the spacer block (9) arranged, between two adjacent spacer blocks (9), there is gap (10), the top of described spacer block (9) has fixing column (11), described fixing column (11) is inserted in protective cover (4) and bracing ring (3) is connected mutually with protective cover (4).
2. a kind of fold-type waterproof vent valve according to claim 1, it is characterized in that, have in described fixing part (6) in criss-cross supporting frame (12), described supporting frame (12) is arranged in through hole (5), and the top of the top of supporting frame (12) and fixing part (6) seamlessly transits, described waterproof ventilated membrane (2) is fitted on supporting frame (12), and described waterproof ventilated membrane (2) is in the low setting of middle high surrounding.
3. a kind of fold-type waterproof vent valve according to claim 1, is characterized in that, described bracing ring (3), retaining ring (7), spacer block (9) and fixing column (11) are integral structures.
4. a kind of fold-type waterproof vent valve according to claim 1 or 2 or 3, is characterized in that, described waterproof ventilated membrane (2) is made up of the hydrophobicity expanded PTFE material of breathing freely.
5. a kind of fold-type waterproof vent valve according to claim 1 or 2 or 3, is characterized in that, described waterproof vent valve also comprises seal ring (13), and described seal ring (13) is enclosed within fixing bolt (1).
6. a kind of fold-type waterproof vent valve according to claim 1 or 2 or 3; it is characterized in that, described bracing ring (3) and protective cover (4) drive fit are connected or described bracing ring (3) is connected by glue mutually with protective cover (4).
7. a kind of fold-type waterproof vent valve according to claim 1 or 2 or 3, is characterized in that, the quantity of described spacer block (9) is 3-10 block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865355.7U CN205207825U (en) | 2015-11-02 | 2015-11-02 | Waterproof ventilation valve of fold -type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865355.7U CN205207825U (en) | 2015-11-02 | 2015-11-02 | Waterproof ventilation valve of fold -type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207825U true CN205207825U (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520865355.7U Active CN205207825U (en) | 2015-11-02 | 2015-11-02 | Waterproof ventilation valve of fold -type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848645A (en) * | 2018-05-29 | 2018-11-20 | 合肥通快钣金科技有限公司 | A kind of auto electric cabinet waterproof and breathable structure |
-
2015
- 2015-11-02 CN CN201520865355.7U patent/CN205207825U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848645A (en) * | 2018-05-29 | 2018-11-20 | 合肥通快钣金科技有限公司 | A kind of auto electric cabinet waterproof and breathable structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |