CN110388734A - A kind of fresh air system rainproof hood through walls - Google Patents
A kind of fresh air system rainproof hood through walls Download PDFInfo
- Publication number
- CN110388734A CN110388734A CN201711409740.0A CN201711409740A CN110388734A CN 110388734 A CN110388734 A CN 110388734A CN 201711409740 A CN201711409740 A CN 201711409740A CN 110388734 A CN110388734 A CN 110388734A
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- wall
- tube
- piece
- cap body
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0254—Ducting arrangements characterised by their mounting means, e.g. supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0263—Insulation for air ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
Abstract
The present invention relates to a kind of fresh air system rainproof hood through walls, including tube-like piece, cap body, cap body includes disk, the round tube being fixedly connected with disk end face, the hollow hemisphere being arranged on circular tube end face, disk, round tube, hollow hemisphere inner cavity communicate；Opposite on the inner wall of round tube to be equipped with several bar shaped convex blocks, which extends to the axis direction of round tube；Opposite on the outer wall of tube-like piece to be equipped with several clamping grooves, bar shaped convex block engages with clamping groove；Tube-like piece includes the first pipeline section, the second pipeline section and third pipeline section, the inner cavity of third pipeline section includes contraction section, venturi and diffuser, one end of venturi connects contraction section, the other end connects diffuser, the inner cavity of third pipeline section makes the air into tube-like piece have certain negative pressure, is outwardly discharged to accelerate room air.The present invention has good heat preservation performance, rain and snow effect good, and has the effect of certain negative pressure.
Description
Technical field
The invention belongs to building ventilating systems, and in particular to a kind of fresh air system rainproof hood through walls.
Background technique
Currently, the importance of fresh-air ventilation has been to be concerned by more and more people, the air draft of building aeration device and air inlet
With outdoor connection mainly by punching on wall, swap indoor and outdoors air, and in order to prevent in rain
In the case of snowy day gas, outdoor sleet enters the room ventilation shaft by the hole, influences the normal use of aeration device, usually exists
One rainproof hood is installed on exterior walls of buildings wall, which is blocked, prevents sleet from entering.
Unidirectional air duct is only applicable in order to solve common rainproof hood, it is impossible to be used in the problem of two-way air duct, the patent No.
For 201420532800.3 invention, a kind of fresh air air purifier rainproof hood is disclosed, which passes through on linkage section
Multiple arcuate blocking pieces are arranged in parallel, and the ventilation shaft on linkage section diameter and building cooperates, linkage section is not only suitable for installing
On Unidirectional air conduit, be also adapted for mount on double wind direction ventilation shafts with intermediate bulkhead, due to arcuate blocking piece with connect
The end face of section has certain angle, therefore arcuate blocking piece can effectively block sleet, play the role of rain and snow.The patent
Rainproof hood is although easy for installation, but heat insulating ability is poor, and the air in pipeline is easy to be influenced by ambient temperature.
In order to solve the problems, such as that existing ventilation device installation is inconvenient, be used for a long time easy to fall off and poor sealing effect, the patent No.
For 201621320171.3 patent of invention, disclose a kind of wind cap, the patent be arranged on cylindrical body at the top of arrange
Air port and side wall exhaust outlet, side wall exhaust outlet lower part are equipped with the rubber seal of socket on the body, and sealing ring is down to ontology
It is kept the temperature, insulating layer is fixedly connected with body outer wall by zigzag double wedge.Although the wall-penetrating type side wall blast cap of the patent is pacified
Fill Portable safety, with certain heat insulating ability, but the anti-wind and snow effect of exhaust outlet is poor.
Summary of the invention
The object of the present invention is to provide a kind of good heat preservation performance, rain and snow effect is good and has the rain-proof wind through walls of certain negative pressure
Cap.
In order to achieve the above object, technical scheme is as follows:
A kind of fresh air system rainproof hood through walls, including for pass through wall tube-like piece, be fixed on wall outer wall
Cap body, the tube-like piece includes the first pipeline section, the second pipeline section and third pipeline section, one end of second pipeline section and the first pipeline section
Connection, the other end are connect with third pipeline section, and first pipeline section, the second pipeline section are set in cap body, and the third pipeline section is worn
It is connected to after crossing wall with indoor, the tube-like piece is for being discharged indoor air；
Several arcuate blocking pieces for being parallel to each other and equidistantly arranging, the arch are installed on the inner wall of first pipeline section
Baffle is used to prevent extraneous dust storm sleet from entering the room；
The outer wall of the third pipeline section is equipped with muff, anti-skidding sealing shroud, and the anti-skidding sealing shroud is close to the second pipeline section
Setting, the muff are arranged on the inside of wall, have gap between the muff, anti-skidding sealing shroud；
The cap body includes the circle for being fixedly connected with wall and having the disk of cavity structure, being fixedly connected with disk end face
The hollow hemisphere managed, be arranged on circular tube end face, the disk, round tube, hollow hemisphere inner cavity communicate, to by tubulose
Air discharge in part；
Opposite on the inner wall of the round tube to be equipped with several bar shaped convex blocks, which prolongs to the axis direction of round tube
It stretches；Opposite on the outer wall of the tube-like piece to be equipped with several clamping grooves, the bar shaped convex block engages with clamping groove, to by tubulose
Part is fixed as one with cap body；
The disk is equipped with multiple fixation holes, and multiple fixation holes are evenly arranged along disk axis, and fixing piece passes through
Fixation hole enters wall, so that cap body is fixedly connected with wall；
The inner cavity of the third pipeline section includes the diffuser of the contraction section of back taper, the venturi of straight tube structure and taper, institute
One end connection contraction section of venturi is stated, the other end connects diffuser, and the inner cavity of the third pipeline section makes the sky into tube-like piece
Gas has certain negative pressure, is outwardly discharged to accelerate room air.
A kind of above-mentioned fresh air system rainproof hood through walls, the outer wall of the third pipeline section are equipped with anti-skidding for fixing
The annular groove of sealing shroud, the anti-skidding sealing shroud are bellows made of PVC material, the inner wall and annular groove of the bellows
Slot bottom contact, between the end face of the bellows and the side wall of annular groove be equipped with adhesive layer.
A kind of above-mentioned fresh air system rainproof hood through walls, the muff include heat insulation layer and heat preservation outer jacket, institute
It states heat insulation layer to contact with the outer wall of third pipeline section, the heat preservation outer jacket is installed on the outer wall of heat insulation layer；
The heat preservation outer jacket is made of being rolled by curled protection board, the curled protection board include aluminium layer,
The plastic layer of aluminium layer two sides is set, and the aluminium layer is fixedly connected with the plastic layer by adhesive layer.
A kind of above-mentioned fresh air system rainproof hood through walls, the cap body outer wall contacted with the second pipeline section are equipped with hose clamp,
The hose clamp fastens tube-like piece and cap body；
The hose clamp is made of stainless steel material.
A kind of above-mentioned fresh air system rainproof hood through walls is additionally provided with filter assemblies on the inner wall of first pipeline section,
The filter assemblies include filter screen and filter cotton, and the filter screen is fixedly connected with the inner wall of the first pipeline section, and the filtering
Net is located at the inside of arcuate blocking piece；
The filter cotton is fixed between filter screen and arcuate blocking piece, which is used to filter out the impurity in air.
Beneficial effects of the present invention:
1. muff and anti-skidding sealing shroud is arranged in the present invention on third pipeline section, so that anti-airduct cap has heat preservation well
Effect, also, muff of the invention is made of heat insulation layer, heat preservation outer jacket, and heat preservation outer jacket is by aluminium layer, setting in aluminium layer two
The plastic layer of side is constituted, so that the present invention is while with preferable heat insulation effect, high temperature resistant, corrosion-resistant, anti-friction effect are more
It is good；
2. the present invention is by being arranged the cap body being made of stainless steel on the first pipeline section, the second pipeline section, so that the present invention has
There is good rain and snow effect, filter cotton and filter screen is arranged in the present invention on the inner wall of the second pipeline section, and tube-like piece can filter out
Impurity in air achievees the purpose that purge pipe air；
3. the present invention makes to enter in tube-like piece by the way that contraction section, venturi and diffuser is arranged in the inner cavity of third pipeline section
Air has certain negative pressure, to achieve the purpose that air flows out in accelerating chamber.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is the scheme of installation of rainproof hood through walls.
Fig. 2 is the half-section diagram of tube-like piece.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the B-B cross-sectional view of Fig. 2.
Fig. 5 is the structural schematic diagram of cap body.
Fig. 6 is the cross-sectional view of cap body.
In figure: 1. tube-like pieces；11. the first pipeline section；11-1. arcuate blocking piece；12. the second pipeline section；121. clamping groove；13. the
Three pipeline sections；13-1. diffuser；13-2. venturi；13-3. contraction section；131. anti-skidding sealing shroud；132. muff；2. cap body；
21. disk；211. fixation hole；22. round tube；221. bar shaped convex blocks；23. hollow hemisphere；100. wall.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
In order to solve the problems, such as that existing fresh air system blast cap rain and snow effect is poor, heat insulating ability is bad, the present embodiment is mentioned
For a kind of fresh air system rainproof hood through walls, as shown in Figure 1, the rainproof hood through walls of the present embodiment includes for across wall
The tube-like piece 1 of body 100, the cap body 2 being fixed on 100 outer wall of wall, wherein one end of tube-like piece 1 passes through the air draft of wall 100
It is fixedly connected after mouthful with the cap body 2 being fixed on wall 100, cap body 2 has been mainly to prevent wind and rain from entering in tube-like piece 1, in turn
Indoor air is polluted.
Specifically, referring to Fig. 2, the tube-like piece 1 of the present embodiment includes the first pipeline section 11, the second pipeline section 12 and third pipeline section
13, one end of the second pipeline section 12 is connect with the first pipeline section 11, and the other end is connect with third pipeline section 13, the first pipeline section 11, second pipe
Section 12 is set in cap body 2, and third pipeline section 13 is connected to after passing through wall 100 with indoor, and tube-like piece 1 is for being discharged indoor sky
Gas；
Several arcuate blocking piece 11-1 for being parallel to each other and equidistantly arranging, the bow are installed on the inner wall of first pipeline section 11
Shape baffle 11-1 is used to prevent extraneous dust storm sleet from entering the room；
The outer wall of third pipeline section 13 is equipped with muff 132, anti-skidding sealing shroud 131, and anti-skidding sealing shroud 131 is close to the second pipe
Section 12 is arranged, and muff 132 is arranged on the inside of wall 100, has gap between muff 132, anti-skidding sealing shroud 131.
It is to make radix saposhnikoviae that muff 132 and the purpose of anti-skidding sealing shroud 131, which is arranged, in the present embodiment on third pipeline section 13
Pipe cap has good heat insulation effect.
Wherein, be additionally provided with filter assemblies on the inner wall of first pipeline section 11 of the present embodiment, filter assemblies include filter screen and
Filter cotton, filter screen are fixedly connected with the inner wall of the first pipeline section 11, and filter screen is located at the inside of arcuate blocking piece 11-1；Filter cotton
It is fixed between filter screen and arcuate blocking piece 11-1, which is used to filter out the impurity in air.The filter pulp of the present embodiment and
Filter screen enables tube-like piece 1 to filter out the impurity in air, achievees the purpose that purge pipe air.
The muff 132 of the present embodiment includes heat insulation layer and heat preservation outer jacket, and the outer wall of heat insulation layer and third pipeline section 13 connects
Touching, heat preservation outer jacket are installed on the outer wall of heat insulation layer；
Heat preservation outer jacket is made of being rolled by curled protection board, and curled protection board includes aluminium layer, is arranged in aluminium
The plastic layer of layer two sides, aluminium layer are fixedly connected with plastic layer by adhesive layer.
The muff 132 of the present embodiment is made of heat insulation layer, heat preservation outer jacket, and heat preservation outer jacket is by aluminium layer, setting in aluminium
The plastic layer of layer two sides is constituted, high temperature resistant, corrosion-resistant, anti-friction so that the present embodiment is while with preferable heat insulation effect
Effect is more preferable.
Referring to Fig. 3, several arcuate blocking pieces for being parallel to each other and equidistantly arranging are installed on the inner wall of the first pipeline section 11
11-1, arcuate blocking piece 11-1 are used to prevent extraneous dust storm sleet from entering the room；In the present embodiment, cap body 2 is considered as
It is the barrier of first of rain and snow, the arcuate blocking piece 11-1 of Fig. 3 then constitutes the barrier that second prevents sleet from entering.Twice are anti-
The design of wind and snow is so that the tube-like piece 1 of the present embodiment has the ability of preferably defence sleet.
As shown in figure 5, the cap body 2 of the present embodiment include be fixedly connected with wall 100 and the disk 21 with cavity structure,
The round tube 22 being fixedly connected with 21 end face of disk, the hollow hemisphere 23 being arranged on 22 end face of round tube, disk 21, round tube 22,
The inner cavity of hollow hemisphere 23 communicates, the air in tube-like piece 1 to be discharged.
The hollow hemisphere 23 of the present embodiment can play shielding action to extraneous wind and rain, can effectively prevent extraneous wind
Rain enters the room.
As shown in figs. 4 and 6, the present embodiment is opposite on the inner wall of round tube 22 is equipped with several bar shaped convex blocks 221, this
Shape convex block 221 extends to the axis direction of round tube 22；Opposite on the outer wall of tube-like piece 1 to be equipped with several clamping grooves 121, bar shaped is convex
Block 221 engages with clamping groove 121, tube-like piece 1 and cap body 2 to be fixed as one.
The present embodiment only need to just be able to achieve tube-like piece 1 and cap body in such a way that bar shaped convex block 221 and clamping groove 121 cooperate
2 are fixedly connected, and therefore, the present embodiment has the effect of easy for installation, assembly and disassembly safety.
In the present embodiment, in order to prevent service life it is too long after, loosened between tube-like piece 1 and cap body 2, the present embodiment is excellent
2 outer wall of cap body for being selected in the contact of the second pipeline section 12 is equipped with hose clamp, which fastens tube-like piece 1 and cap body 2；Hose clamp is by stainless
Steel material is made.
Referring to Fig. 5, the present embodiment is equipped with multiple fixation holes 211 on disk 21, and multiple fixation holes 211 are along 21 axis of disk
Line is evenly arranged, and fixing piece passes through fixation hole 211 and enters wall 100, so that cap body 2 is fixedly connected with wall 100.
Referring to Fig. 2, in order to make the air in tube-like piece 1 that there is certain negative pressure, to accelerate room air and the external world
Circulation, in the present embodiment, the inner cavity of third pipeline section 13 include the contraction section 13-3 of back taper, straight tube structure venturi 13-2 and
One end of the diffuser 13-1 of taper, venturi 13-2 connect contraction section 13-3, and the other end connects diffuser 13-1, third pipeline section
13 inner cavity makes the air into tube-like piece 1 have certain negative pressure, is outwardly discharged to accelerate room air.
The present embodiment is made by the way that contraction section 13-3, venturi 13-2 and diffuser 13-1 is arranged in the inner cavity of third pipeline section 13
There is certain negative pressure into the air in tube-like piece 1, to achieve the purpose that air flows out in accelerating chamber.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, In
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (5)
1. a kind of fresh air system rainproof hood through walls, including being used for the tube-like piece (1) across wall (100), being fixed on wall
(100) cap body on outer wall (2), the tube-like piece (1) include the first pipeline section (11), the second pipeline section (12) and third pipeline section
(13), one end of second pipeline section (12) is connect with the first pipeline section (11), and the other end is connect with third pipeline section (13), and described
One pipeline section (11), the second pipeline section (12) are set in cap body (2), and the third pipeline section (13) passes through wall (100) afterwards and room
Interior connection, the tube-like piece (1) is for being discharged indoor air；
Several arcuate blocking pieces (11-1) for being parallel to each other and equidistantly arranging are installed on the inner wall of first pipeline section (11),
The arcuate blocking piece (11-1) is used to prevent extraneous dust storm sleet from entering the room；
The outer wall of the third pipeline section (13) is equipped with muff (132), anti-skidding sealing shroud (131), the anti-skidding sealing shroud
(131) it is arranged close to the second pipeline section (12), the muff (132) setting, muff on the inside of wall (100)
(132), there is gap between anti-skidding sealing shroud (131)；It is characterized by:
The cap body (2) includes disk (21) and disk (21) end face that cavity structure is fixedly connected with and had with wall (100)
The round tube (22) being fixedly connected, the hollow hemisphere (23) being arranged on round tube (22) end face, the disk (21), round tube
(22), the inner cavity of hollow hemisphere (23) communicates, the air in tube-like piece (1) to be discharged；
It is opposite on the inner wall of the round tube (22) to be equipped with several bar shaped convex blocks (221), bar shaped convex block (221) Xiang Yuanguan (22)
Axis direction extend；It is opposite on the outer wall of the tube-like piece (1) to be equipped with several clamping grooves (121), the bar shaped convex block
(221) engage with clamping groove (121), tube-like piece (1) and cap body (2) to be fixed as one；
The disk (21) is equipped with multiple fixation holes (211), and multiple fixation holes (211) are along the uniform cloth of disk (21) axis
It sets, fixing piece passes through fixation hole (211) and enters wall (100), so that cap body (2) is fixedly connected with wall (100)；
The inner cavity of the third pipeline section (13) includes the contraction section (13-3) of back taper, the venturi (13-2) of straight tube structure and taper
Diffuser (13-1), one end of the venturi (13-2) connects contraction section (13-3), and the other end connects diffuser (13-1), institute
State third pipeline section (13) inner cavity make into tube-like piece (1) air have certain negative pressure, to accelerate room air to
External world's discharge.
2. fresh air system as described in claim 1 rainproof hood through walls, it is characterised in that: outside the third pipeline section (13)
Wall is equipped with the annular groove for fixing anti-skidding sealing shroud (131), and the anti-skidding sealing shroud (131) is made of PVC material
Bellows, the inner wall of the bellows are contacted with the slot bottom of annular groove, the side wall of the end face of the bellows and annular groove it
Between be equipped with adhesive layer.
3. fresh air system as claimed in claim 1 or 2 rainproof hood through walls, it is characterised in that: muff (132) packet
Heat insulation layer and heat preservation outer jacket are included, the heat insulation layer is contacted with the outer wall of third pipeline section (13), and the heat preservation outer jacket is installed in
On the outer wall of heat insulation layer；
The heat preservation outer jacket is made of being rolled by curled protection board, and the curled protection board includes aluminium layer, setting
Plastic layer in aluminium layer two sides, the aluminium layer are fixedly connected with the plastic layer by adhesive layer.
4. fresh air system as described in claim 1 rainproof hood through walls, it is characterised in that: contacted with the second pipeline section (12)
Cap body (2) outer wall is equipped with hose clamp, which fastens tube-like piece (1) and cap body (2)；The hose clamp is by stainless steel material system
At.
5. fresh air system as described in claim 1 rainproof hood through walls, it is characterised in that: first pipeline section (11) it is interior
It is additionally provided with filter assemblies on wall, the filter assemblies include filter screen and filter cotton, the filter screen and the first pipeline section (11)
Inner wall is fixedly connected, and the filter screen is located at the inside of arcuate blocking piece (11-1)；
The filter cotton is fixed between filter screen and arcuate blocking piece (11-1), which is used to filter out the impurity in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711409740.0A CN110388734A (en) | 2018-04-17 | 2018-04-17 | A kind of fresh air system rainproof hood through walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711409740.0A CN110388734A (en) | 2018-04-17 | 2018-04-17 | A kind of fresh air system rainproof hood through walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388734A true CN110388734A (en) | 2019-10-29 |
Family
ID=68282553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711409740.0A Pending CN110388734A (en) | 2018-04-17 | 2018-04-17 | A kind of fresh air system rainproof hood through walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388734A (en) |
-
2018
- 2018-04-17 CN CN201711409740.0A patent/CN110388734A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191029 |