CN208579460U - Exterior wall windproof and rain proof tuyere device - Google Patents
Exterior wall windproof and rain proof tuyere device Download PDFInfo
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- CN208579460U CN208579460U CN201822109632.8U CN201822109632U CN208579460U CN 208579460 U CN208579460 U CN 208579460U CN 201822109632 U CN201822109632 U CN 201822109632U CN 208579460 U CN208579460 U CN 208579460U
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- exterior wall
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- tuyere device
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Abstract
The utility model provides a kind of exterior wall windproof and rain proof tuyere device.The device is integrally in the connection tubular structure of both ends open, including horizontal variable diameter pipeline section, straight pipe through walls, vertically descends five bend loss, vertical straight pipe, stainless steel filter screen parts.Curved air hose, air port structure type directed downwardly under the device uses make outdoor wind direction and air plane normal direction form about 90 ° of angle, therefore outdoor high wind is to the air inlet in air port and the influence very little of air draft.Vertically downward due to air port, the influence of high wind, rainwater do not hardly enter air port, air port cross-sectional area is suitably increased simultaneously, it is twice it than indoor air hose cross-sectional area, the wind speed into air port is greatly reduced, so that raindrop be made to be difficult to be entered the wind band air intake vent.It is provided with the steel wire of stainless steel on air port, also has barrier effect to raindrop, is also possible to prevent sundries entrance.The device has the performance of good anti-high wind and anti-heavy rain simultaneously, and structure is simple, easy to make, at low cost, high reliablity.
Description
Technical field
The utility model belongs to building air conditioning and ventilation field, and in particular to a kind of exterior wall windproof and rain proof tuyere device.
Background technique
Building air conditioning and ventilating system are designed with some air inlets and exhaust outlet for leading to outdoor, these previous settings are outside
Air port on wall generallys use fixed air grille, but between high wind storm period, these air grilles are easy to appear roof leaking problem.
Dependence test is the result shows that (the weather proofing energy in Li Zhaojian, Shu Anyuan, Xuan Zhiyong, Xu Yuanyuan air conditioner louver air port
Test analysis Heating,Ventilating and Air Conditioning .2014,44 (8): 35-37), when wind-force is more than 7 grades, even if using existing exterior wall rain-proof hundred
Leaf air port also will appear roof leaking problem.In addition, this will cause exhaust outlet and falls since high wind can generate very big wind pressure at air port
Stream, the problems such as fresh wind port air quantity is excessive, will affect the normal operation of building air conditioning and ventilating system and bring security risk.Especially
, in the island such as Hainan, Fujian, Guangdong and coastal area, the number for encountering typhoon every year is more for it, high wind and sudden and violent when typhoon arrives
Rain acts on simultaneously, this problem is with regard to more serious.
Therefore there is an urgent need to develop the exterior wall tuyere devices that one kind can have radix saposhnikoviae and rainproof function simultaneously.Literature search
It was found that previous rain-proof air port related patents: outer wall rain-proof louver air inlet device (application number: CN201020638539.7), Yi Zhongfang
Rain blinds air outlet (application number: CN201310532746.2), stormproof louvre air port (application number: CN201520171459.8),
The fixed stormproof louvre circle air port (application of a kind of rain-proof type exterior wall exhaust outlet (application number: CN201520662279.X), exterior wall
Number: CN201621380403.4), a kind of outer wall rain-proof louver air inlet device (application number: CN201720119268.6) is all made of
The mode of air grille is set on exterior wall, is only improved in the structure of keeping off the rain in air port, some structures of keeping off the rain compare
Complexity, processing difficulties, these structures of keeping off the rain can not fundamentally solve the problems, such as the roof leaking in the case of Heavy Rain of Typhoon, and it is even more impossible to solve
Certainly exterior wall exhaust outlet caused by high wind flows backward problem.
In conclusion there are following main problems for the related patents of previous exterior wall rain-proof tuyere device:
1) only consider rain-proof problem, do not account for windproof problem.Air port and exterior wall in one plane, therefore in high wind feelings
Under condition, the problems such as exhaust outlet is flow backwards, fresh wind port air quantity is excessive will cause, this will affect the normal fortune of building air conditioning and ventilating system
Row；
2) it has been all made of the mode that air grille is set on exterior wall, has only been changed in the structure of keeping off the rain of air grille
Into the improvement of these structures can not fundamentally solve the problems, such as roof leaking, under the double action of high wind heavy rain, it is also possible to leak
The problems such as.
Utility model content
To solve the above problem in the prior art, the utility model is proposed.
The utility model provides a kind of exterior wall windproof and rain proof tuyere device, which is integrally in the connection knot of both ends open
Structure, through walls section including running through exterior wall；It is connected to through walls section, positioned at interior and the indoor section that is connected to indoor air hose；And with
Through walls section is connected to and is located outside the outdoor section with air port.Outdoor section, the through walls section of indoor and outdoor for being connected to and being formed with indoor section are logical
Wind path diameter is not point-blank.Room ventilation path is horizontal direction, and the normal direction in outdoor air port is vertically downward.It is described through walls
Section, indoor section and outdoor section are all tubular structures.Outdoor section includes having the first subsegment of vertical downward bent part point and with wind
The second subsegment of mouth extended straight down.Described through walls section, indoor section and the tubular structure of any one in outdoor section
Cross-sectional shape is rectangular or round.
The cross-sectional area of the tubular structure of the interior section is different in the direction of extension, and close to through walls section of cross section
Product is bigger than the cross-sectional area at indoor air hose.Close through walls section of the cross-sectional area ratio of the interior section is close to indoor air hose
Greatly at least one times of the cross-sectional area at place.
The exterior wall windproof and rain proof tuyere device of the utility model further includes the stainless steel filter screen being connected on air port.It is described
The specification of stainless steel filter screen is 20 to 30 mesh.
In conclusion compared with prior art, the utility model has the beneficial effects that:
The utility model can increase substantially building air conditioning and ventilating system exterior wall air inlet or exhaust outlet radix saposhnikoviae and
Water-resistant performance, and structure is simple, easy to make, low cost, high reliablity.It is empty to facilitate maintenance building between high wind storm period
The stable operation of reconciliation ventilating system is eliminated since bring security risk is flowed backward in air port roof leaking and exhaust outlet, in Hainan, good fortune
Build, the Heavy Rain of Typhoon prone areas such as Guangdong it is more applicable.The exterior wall windproof and rain proof tuyere device has carried out performance test in Hainan,
Test result shows that weather proof works well in the case where 17 grades of violent typhoon heavy rains, roof leaking problem does not occur, and exterior wall
All there is roof leaking problem in various degree in some stormproof louvre air ports of upper use.
Detailed description of the invention
Fig. 1 is the elevation of the tuyere device of the utility model；
Fig. 2 is the cross-sectional view intercepted along the line A-A of Fig. 1.
Description of symbols:
1, horizontal variable diameter pipeline section；2, straight pipe through walls；3, bend loss is vertically descended；4, vertical straight pipe；5, stainless steel filters
Net；F, flange；X, gap
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.This specific embodiment is only practical new to this
The explanation of type is not limitations of the present invention.It, might not about the means according to the present utility model solved the problems, such as
The whole combinations for the various aspects for needing to be described according to following embodiments.Based on the embodiments of the present invention, art technology
Personnel's every other embodiment obtained without making creative work belongs to the model of the utility model protection
It encloses.
The exterior wall windproof and rain proof tuyere device of the utility model is all to act on to build from horizontal plane direction according to outdoor high wind
It builds on exterior wall, be not in curved air hose, air port structure shape directed downwardly under the characteristics of blowing vertically upward from ground or roofing
Formula makes outdoor wind direction and air plane normal direction form about 90 ° of angle, therefore outdoor high wind is to the air inlet in air port and the shadow of air draft
Ring very little.Vertically downward due to air port, and the not influence of high wind, rainwater hardly enters air port, while by air port cross-sectional area
It is appropriate to increase, it is twice it than indoor air hose cross-sectional area, the air-flow wind speed into air port is greatly reduced, to make rain
Drop is difficult to be entered the wind band air intake vent.It is provided with the steel wire of stainless steel on air port, also has barrier effect to raindrop, it can also be to prevent
The only entrance of the sundries such as birds, insect and leaf.The device has the performance of good anti-high wind and anti-heavy rain, and structure simultaneously
Simply, easy to make, at low cost, high reliablity.
The exterior wall windproof and rain proof tuyere device of the utility model is integrally in the connectivity structure of both ends open, including runs through exterior wall
Through walls section；It is connected to through walls section, positioned at interior and the indoor section that is connected to indoor air hose；And it is connected to and is located at through walls section
Outdoor section of the outdoor with air port.Outdoor section, the through walls section of indoor and outdoor ventilating path for being connected to and being formed with indoor section are straight not at one
On line, wherein room ventilation path is horizontal direction, and the normal direction in outdoor air port is vertically downward.Through walls section, indoor section and outdoor
Section is all tubular structure.Outdoor section includes first subsegment with vertical downward bent part point and the extension straight down with air port
The second subsegment.
The indoor section of the utility model can be horizontal variable diameter pipeline section 1, and through walls section can be straight pipe 2 through walls, outdoor section
May include outside the exterior wall with vertical downward bent part point it is vertical descend bend loss 3 (also referred to as the first subsegment) and with air port
The vertical straight pipe 4 (also referred to as the second subsegment) extended vertically downward.
Specifically, as shown in Figure 1, the tuyere device of the utility model includes four sections of air hoses and a stainless steel filter screen:
Horizontal variable diameter pipeline section 1, straight pipe through walls 2, vertically lower bend loss 3, vertical straight pipe 4, stainless steel filter screen 5.Five components are equal
It is connected by flange F.In order to avoid the main points of fuzzy the utility model, the description to flange F is omitted in the present invention,
And the description of the flanged joint to this five components；Other than using this five components of flanged joint, the utility model may be used also
Each component is attached by any known method with adopting, such as each component can be carried out by the way of pin joint or grafting
It connects without the connector using flange F etc..Fig. 1 and air hose shown in Fig. 2 are rectangular air hose (cross-sectional width L, height
Degree is W), or circular duct.However, the utility model is without being limited thereto, the shape of the cross section of the air hose of the utility model
Shape can be any shape, as long as can be realized the ventilation effect of the utility model.In addition, air hose generally use 1.5~
The galvanized steel plain sheet of 2mm makes, and can also be made of stainless steel plate or aluminium alloy plate.
The left side of horizontal variable diameter pipeline section 1 is connect by flange F with indoor air hose, and effect is to increase the cross-sectional area in air port
Greatly, than about one times of the indoor air hose of connection (as illustrated in the dotted line of Fig. 1 and Fig. 2), the air hose cross-sectional width after variable diameter is
L1, L1 are equal to 2L, are highly W, so that the wind speed in air port be made to reduce half, raindrop are made to be difficult to be entered the wind carrying air intake vent.However,
The utility model is without being limited thereto, and the air hose cross-sectional width after variable diameter can be bigger, so that it is more to reduce the wind speed in air port.
Straight pipe 2 through walls passes through exterior wall, and the gap X between place's air hose through walls and outer wall hole is blocked tight using waterproof material
It is close, prevent outdoor rain from penetrating by gap indoor.
The effect of vertical lower bend loss 3 is to change air port direction, makes it vertically downward, makes outdoor wind direction and air port normal direction shape
At about 90 ° of angle, influence of the outdoor high wind to air port air inlet or air draft is substantially eliminated, also raindrop is made to be difficult to enter air port.Its
Inner edge radius R1 is usually 0.5W (height that W is air hose), and outside radius R2 is usually 1.5W.That is, due to vertical
Lower bend loss 3, air port wind direction are varied so that ventilating path not point-blank, and specifically, room ventilation path is level
Direction, the normal direction in outdoor air port are vertically downward.
Vertical straight pipe 4 is a steady air flow section, and function is the difficulty for increasing raindrop and entering air port, and is stainless steel
The installation of filter screen reserves position.
Stainless steel filter screen 5 is fixed on the flange F in air port, has barrier effect to raindrop, is also possible to prevent birds, insect
With the entrance of the sundries such as leaf, it is to slow down to issue the phenomenon that losing of getting rusty in outdoor adverse circumstances for a long time using stainless steel material, prolongs
Its long service life.The specification of stainless steel filter screen is usually 20 to 30 mesh, both there is preferable blocking to make raindrop and sundries
With flow resistance is again smaller.Stainless (steel) wire is from the ground or roofing distance is typically larger than 2m, to prevent ground or roofing to air port
Air inlet or air draft generate stop adverse effect.
Although the utility model is described referring to exemplary embodiment above, above-described embodiment is only to illustrate
The technical ideas and features of the present invention do not limit the protection scope of the present invention.It is all practical new according to this
Any equivalent variations or modification that type Spirit Essence is made, should be covered within the scope of the utility model.
Claims (9)
1. a kind of exterior wall windproof and rain proof tuyere device, which is integrally in the connection knot of both ends open
Structure, which is characterized in that the exterior wall windproof and rain proof tuyere device includes through walls section for running through exterior wall；It is connected to through walls section, is located at room
Indoor section that is interior and being connected to indoor air hose；And be connected to through walls section and be located outside the outdoor section with air port, outdoor section is worn
Wall section be connected to indoor section and the indoor and outdoor ventilating path that is formed not point-blank.
2. exterior wall windproof and rain proof tuyere device according to claim 1, wherein room ventilation path is horizontal direction, room
The normal direction in outer air port is vertically downward.
3. exterior wall windproof and rain proof tuyere device according to claim 1 or 2, wherein described through walls section, indoor section and outdoor
Section is all tubular structure.
4. exterior wall windproof and rain proof tuyere device according to claim 1 or 2, wherein outdoor section includes curved under having vertically
The first partial subsegment and the second subsegment extended straight down with air port.
5. exterior wall windproof and rain proof tuyere device according to claim 4, wherein described through walls section, indoor section and outdoor section
In the cross-sectional shape of the tubular structure of any one be rectangular or round.
6. exterior wall windproof and rain proof tuyere device according to claim 1 or 2, wherein the tubular structure of the interior section
Cross-sectional area is different in the direction of extension, and close to through walls section of cross-sectional area than the cross-sectional area at indoor air hose
Greatly.
7. exterior wall windproof and rain proof tuyere device according to claim 6, wherein close through walls section of the cross of the interior section
Sectional area is than greatly at least one times of cross-sectional area at indoor air hose.
8. exterior wall windproof and rain proof tuyere device according to claim 1 or 2 further includes the stainless steel mistake being connected on air port
Strainer.
9. exterior wall windproof and rain proof tuyere device according to claim 8, wherein the specification of the stainless steel filter screen is 20
To 30 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109632.8U CN208579460U (en) | 2018-12-14 | 2018-12-14 | Exterior wall windproof and rain proof tuyere device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109632.8U CN208579460U (en) | 2018-12-14 | 2018-12-14 | Exterior wall windproof and rain proof tuyere device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579460U true CN208579460U (en) | 2019-03-05 |
Family
ID=65512660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822109632.8U Active CN208579460U (en) | 2018-12-14 | 2018-12-14 | Exterior wall windproof and rain proof tuyere device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631286A (en) * | 2018-12-14 | 2019-04-16 | 中国人民解放军63921部队 | Exterior wall windproof and rain proof tuyere device |
-
2018
- 2018-12-14 CN CN201822109632.8U patent/CN208579460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631286A (en) * | 2018-12-14 | 2019-04-16 | 中国人民解放军63921部队 | Exterior wall windproof and rain proof tuyere device |
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