CN208365742U - A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap - Google Patents
A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap Download PDFInfo
- Publication number
- CN208365742U CN208365742U CN201820571950.3U CN201820571950U CN208365742U CN 208365742 U CN208365742 U CN 208365742U CN 201820571950 U CN201820571950 U CN 201820571950U CN 208365742 U CN208365742 U CN 208365742U
- Authority
- CN
- China
- Prior art keywords
- wind deflector
- screw thread
- cone
- annular wind
- windproof
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of blast caps, more particularly to a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap, including hollow make-up cone, fixed strip, screw, rotary table, on set internal screw thread annular wind deflector, underlying external screw thread annular wind deflector, inverted round table, drainpipe and air-exhausting duct, the hollow make-up cone is fixedly connected on the upper end of fixed strip, and the lower end of fixed strip is fixed by screws in the upper end of air-exhausting duct；The upper end that internal screw thread annular wind deflector is set on described is fixedly connected on the lower end of rotary table, above sets the lower end of internal screw thread annular wind deflector by being threadedly engaged the upper end for being connected to underlying external screw thread annular wind deflector；The lower end of the underlying external screw thread annular wind deflector is fixedly connected on the upper end of inverted round table；The lower end of the inverted round table is sealedly connected on the outer wall of air-exhausting duct；The lower end of the inverted round table is equipped with drainage hole.The windproof and rain proof of air-exhausting duct nozzle may be implemented in the utility model, reduces gas discharge interference, increases gas diffusion function.
Description
Technical field
The utility model relates to a kind of blast caps, more particularly to a kind of effective windproof and rain proof blast cap of experimental laboratory air exhausting.
Background technique
Ventilation equipment are essential in all kinds of laboratories such as medicine, physics and chemistry, biology, regardless of its exhaust equipment structure
Complexity finally requires to be arranged by pipeline to outdoor.It is big in traditional experimental laboratory air exhausting manage-style cap middle outlet insertion building
Mostly venetian blind type blast cap, exporting outside building is mostly umbrella type blast cap.Venetian blind type blast cap and umbrella type blast cap are equal
Do not have not only radix saposhnikoviae but also rainproof function, can not achieve the effect for having windproof and rain proof while the discharge of minimal level of interference gas.
Utility model content
The purpose of the utility model is to provide a kind of effective windproof and rain proof blast caps of experimental laboratory air exhausting, pass through hollow make-up circular cone
The upper hollow cone in internal portion, may be implemented to prevent rainwater from entering exhaust duct；Under inside hollow make-up cone
Hollow cone, it is possible to reduce the resistance that gas is discharged in hollow make-up cone；It can be by hollow make-up circle by fixed strip
Cone is fixed on the top of air draft nozzle；By underlying external screw thread annular wind deflector, wind direction can be stopped to do gas discharge
It disturbs；By above setting internal screw thread annular wind deflector, the speed of air-exhausting duct gas discharge can be increased；Pass through drainpipe, Ke Yipai
Enter the rainwater in blast cap out.
The purpose of this utility model is achieved through the following technical solutions:
A kind of effective windproof and rain proof blast cap of experimental laboratory air exhausting, including hollow make-up cone, fixed strip, screw, rotary table, on
Set internal screw thread annular wind deflector, underlying external screw thread annular wind deflector, inverted round table, drainpipe and air-exhausting duct, the hollow make-up
Cone is fixedly connected on the upper end of fixed strip, and the lower end of fixed strip is fixed by screws in the upper end of air-exhausting duct；It is described
On set the upper end of internal screw thread annular wind deflector and be fixedly connected on the lower end of rotary table, the lower end for above setting internal screw thread annular wind deflector passes through
It is threadedly engaged the upper end for being connected to underlying external screw thread annular wind deflector；The lower end of the underlying external screw thread annular wind deflector is fixed to be connected
It connects in the upper end of inverted round table；The lower end of the inverted round table is sealedly connected on the outer wall of air-exhausting duct；The inverted round table
Lower end is equipped with drainage hole, is fixedly connected with drainpipe on the inside of drainage hole.
The hollow make-up cone includes upper hollow cone and lower hollow cone, and the lower end of upper hollow cone is solid
Surely it is connected to the upper end of lower hollow cone；The lower hollow cone is fixedly connected on fixed strip.
The upper hollow conical surface is equipped with U-shaped diversion trench or V-arrangement diversion trench from top to bottom；It is described hollow
The diameter of cone is greater than the diameter of lower hollow cone.
The diameter of the lower hollow cone is not less than the diameter of air-exhausting duct.
The middle-end that internal screw thread annular wind deflector is set on described is equipped with louver structure.
The outer end nozzle of the drainpipe tilts down setting.
The rotary table is hollow round table made of metal material.
The fixed strip is thin strip structure made of metal material.
The inverted round table is hollow round table made of metal material, supreme bottom surface, inverted round table upper end and underlying outer
Screw thread annular wind deflector lower end links together, and lower end and air-exhausting duct outer tube wall are tightly connected.
The drainpipe is hollow pipe made of metal material or hard plastic.
It, can be with the utility model has the beneficial effects that a kind of effective windproof and rain proof blast cap of experimental laboratory air exhausting of the utility model
It realizes the windproof and rain proof of air-exhausting duct nozzle, reduces gas discharge interference, increase gas diffusion function；The utility model passes through hollow
Upper hollow cone inside make-up cone, may be implemented to prevent rainwater from entering exhaust duct；Pass through hollow make-up cone
Internal lower hollow cone, it is possible to reduce the resistance that gas is discharged in hollow make-up cone；It can will be empty by fixed strip
Heart make-up cone is fixed on the top of air draft nozzle；By underlying external screw thread annular wind deflector, wind direction can be stopped to gas
The interference of discharge；By above setting internal screw thread annular wind deflector, the speed of air-exhausting duct gas discharge can be increased；Pass through draining
Pipe, the rainwater that can be discharged into blast cap.
Detailed description of the invention
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the overall structure diagram two of the utility model；
Fig. 3 is the overall structure cross-sectional view of the utility model；
Fig. 4 is the structural schematic diagram of the hollow make-up cone inside the utility model；
Fig. 5 be inside the utility model on set the structural schematic diagram of internal screw thread annular wind deflector；
Fig. 6 is the structural schematic diagram of the underlying external screw thread annular wind deflector inside the utility model.
In figure: hollow make-up cone 1；Upper hollow cone 1-1；Lower hollow cone 1-2；Fixed strip 2；Screw 3；Circle
Platform 4；On set internal screw thread annular wind deflector 5；Underlying external screw thread annular wind deflector 6；Inverted round table 7；Drainpipe 8；Air-exhausting duct 9.
Specific embodiment
1-6 is described in further detail the utility model with reference to the accompanying drawing.
Specific embodiment 1:
As shown in figures 1 to 6, the effective windproof and rain proof blast cap of a kind of experimental laboratory air exhausting, including hollow make-up cone 1, fixed strip
2, screw 3, rotary table 4, on set internal screw thread annular wind deflector 5, underlying external screw thread annular wind deflector 6, inverted round table 7,8 and of drainpipe
Air-exhausting duct 9, the hollow make-up cone 1 are fixedly connected on the upper end of fixed strip 2, and the lower end of fixed strip 2 is fixed by screw 3
It is connected to the upper end of air-exhausting duct 9；The upper end that internal screw thread annular wind deflector 5 is set on described is fixedly connected on the lower end of rotary table 4, above sets
The lower end of internal screw thread annular wind deflector 5 is by being threadedly engaged the upper end for being connected to underlying external screw thread annular wind deflector 6；It is described underlying
The lower end of external screw thread annular wind deflector 6 is fixedly connected on the upper end of inverted round table 7；The lower end of the inverted round table 7 is tightly connected
On the outer wall of air-exhausting duct 9；The lower end of the inverted round table 7 is equipped with drainage hole, is fixedly connected with drainpipe 8 on the inside of drainage hole.
The hollow make-up cone 1 includes upper hollow cone 1-1 and lower hollow cone 1-2, upper hollow cone
The lower end of 1-1 is fixedly connected on the upper end of lower hollow cone 1-2；The lower hollow cone 1-2 is fixedly connected on fixed strip 2
On.
The surface upper hollow cone 1-1 is equipped with U-shaped diversion trench or V-arrangement diversion trench from top to bottom；On described
The diameter of hollow cone 1-1 is greater than the diameter of lower hollow cone 1-2.
The diameter of the lower hollow cone 1-2 is not less than the diameter of air-exhausting duct 9.
The middle-end that internal screw thread annular wind deflector 5 is set on described is equipped with louver structure.
The outer end nozzle of the drainpipe 8 tilts down setting.
The working principle of the utility model are as follows: when in use, experiment indoor gas reaches going out for air-exhausting duct 9 by exhaust pipe
It at mouthful and leaves, hollow make-up cone 1 smooth lower surface and inclined-plane can reduce hollow make-up cone 1 and gas are discharged
Resistance；Gas, which leaves, sets internal screw thread annular wind deflector 5 and underlying external screw thread annular wind deflector 6 composition in the arrival of air-exhausting duct 9
In air blocking cap, the air blocking cap inner barrier of internal screw thread annular wind deflector 5 and underlying external screw thread annular wind deflector 6 composition nature is above set
Wind avoids the influence that gas is discharged in natural wind；A part of gas when setting internal screw thread annular wind deflector 5 on gas rises to
Blast cap can be diffused out by louver structure, another part gas continues to rise to 4 upper end of rotary table and blast cap is discharged；When raining,
The upper hollow cone 1-1 of hollow make-up cone 1 blocks the rainwater entered in blast cap by 4 upper end of rotary table, avoids rainwater
It enters in air-exhausting duct 9, rainwater diversion to 7 lower end of inverted round table is connect by the diversion trench of upper hollow cone 1-1 with air-exhausting duct 9
Place, is discharged blast cap for rainwater by drainpipe 8.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (6)
1. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap, including hollow make-up cone (1), fixed strip (2), screw (3), circle
Platform (4), on set internal screw thread annular wind deflector (5), underlying external screw thread annular wind deflector (6), inverted round table (7), drainpipe (8) and
Air-exhausting duct (9), it is characterised in that: the hollow make-up cone (1) is fixedly connected on the upper end of fixed strip (2), fixed strip (2)
Lower end be fixedly connected on the upper ends of air-exhausting duct (9) by screw (3)；The upper end of internal screw thread annular wind deflector (5) is set on described
It is fixedly connected on the lower end of rotary table (4), the lower end for above setting internal screw thread annular wind deflector (5) is connected to outside underlying by being threadedly engaged
The upper end of screw thread annular wind deflector (6)；The lower end of the underlying external screw thread annular wind deflector (6) is fixedly connected on inverted round table
(7) upper end；The lower end of the inverted round table (7) is sealedly connected on the outer wall of air-exhausting duct (9)；The inverted round table (7)
Lower end is equipped with drainage hole, is fixedly connected with drainpipe (8) on the inside of drainage hole.
2. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap according to claim 1, it is characterised in that: the hollow make-up
Cone (1) includes upper hollow cone (1-1) and lower hollow cone (1-2), and the lower end of upper hollow cone (1-1) is fixed
It is connected to the upper end of lower hollow cone (1-2)；The lower hollow cone (1-2) is fixedly connected on fixed strip (2).
3. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap according to claim 2, it is characterised in that: the upper open circles
The cone surface (1-1) is equipped with U-shaped diversion trench or V-arrangement diversion trench from top to bottom；The upper hollow cone (1-1) it is straight
Diameter is greater than the diameter of lower hollow cone (1-2).
4. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap according to claim 2, it is characterised in that: the lower open circles
The diameter of cone (1-2) is not less than the diameter of air-exhausting duct (9).
5. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap according to claim 1, it is characterised in that: set interior spiral shell on described
The middle-end of line annular wind deflector (5) is equipped with louver structure.
6. a kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap according to claim 1, it is characterised in that: the drainpipe
(8) outer end nozzle tilts down setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571950.3U CN208365742U (en) | 2018-04-20 | 2018-04-20 | A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571950.3U CN208365742U (en) | 2018-04-20 | 2018-04-20 | A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208365742U true CN208365742U (en) | 2019-01-11 |
Family
ID=64932315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820571950.3U Active CN208365742U (en) | 2018-04-20 | 2018-04-20 | A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208365742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914747A (en) * | 2019-03-30 | 2019-06-21 | 单简 | House exhaust passage reverse-filling Wind discharging hat |
| CN109914747B (en) * | 2019-03-30 | 2024-04-26 | 单简 | Anti-backflow exhaust cap for residential exhaust passage |
-
2018
- 2018-04-20 CN CN201820571950.3U patent/CN208365742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914747A (en) * | 2019-03-30 | 2019-06-21 | 单简 | House exhaust passage reverse-filling Wind discharging hat |
| CN109914747B (en) * | 2019-03-30 | 2024-04-26 | 单简 | Anti-backflow exhaust cap for residential exhaust passage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202577901U (en) | Unpowered efficient smoke-exhausting funnel cap | |
| CN208365742U (en) | A kind of experimental laboratory air exhausting pipe windproof and rain proof blast cap | |
| CN209163362U (en) | A kind of rain-proof preventing air reverse flow cap structure of high-efficiency exhaust | |
| CN201141195Y (en) | Anti- downdraught cap of storied house ventilated exhaustion passage | |
| CN201391889Y (en) | Blast cap of exhaust air stack | |
| CN101886459B (en) | Sootiness prevention system for kitchen of high-rise residential building | |
| CN106440173A (en) | Lighting and ventilation device for earth-sheltered dwelling and construction process thereof | |
| CN210216886U (en) | Gangue shale ventilation brick | |
| KR102592130B1 (en) | Hood cap for prevent headwinds | |
| CN201250501Y (en) | Reverse filling protection hood of exhausting and ventilating channel used in building | |
| CN101799167B (en) | Air-outlet windproof and energy-saving device | |
| CN208168261U (en) | A kind of novel anti-falling filling blast cap | |
| CN203113724U (en) | House exhausting passage backward-flow wind prevention cover | |
| CN2692564Y (en) | Exhausting outlet device for exhausting pipe end | |
| CN2685722Y (en) | Self-operated funnel cap | |
| CN201943323U (en) | Intercepting exhaust duct | |
| CN106838817A (en) | A kind of lighting and ventilation device with landscape function | |
| CN209163361U (en) | A kind of telescopic rain-proof preventing air reverse flow cap structure | |
| CN109914747B (en) | Anti-backflow exhaust cap for residential exhaust passage | |
| CN204063086U (en) | Chimney cap with the wind | |
| CN217737234U (en) | Chimney and rain-proof anti-condensation straight-tube type hood thereof | |
| CN201826503U (en) | Smoke leakage prevention system for kitchen of high residential building | |
| CN205990736U (en) | A kind of cement wind-proof cap of high-efficiency exhaust | |
| CN205531209U (en) | Exhaust structure on house | |
| CN210239059U (en) | Wind-force direction type unpowered hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |