CN209405862U - Environment-protective exhaust device - Google Patents
Environment-protective exhaust device Download PDFInfo
- Publication number
- CN209405862U CN209405862U CN201822269600.4U CN201822269600U CN209405862U CN 209405862 U CN209405862 U CN 209405862U CN 201822269600 U CN201822269600 U CN 201822269600U CN 209405862 U CN209405862 U CN 209405862U
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- CN
- China
- Prior art keywords
- exhaust
- environment
- hood
- protective
- column
- 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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Abstract
The utility model relates to a kind of environment-protective exhaust devices, the problem of aiming to solve the problem that waste gas header exhaust gas recirculation, its key points of the technical solution are that: a kind of environment-protective exhaust device, including exhaust fan, exhaust pipe, filter, exhaust hose, check device, butterfly valve, hood, the hood is connected by hose with exhaust pipe, setting filter and exhaust fan in exhaust pipe, setting butterfly valve and check device above hood, butterfly valve is normally opened, when exhaust fan is opened, intraductal atmospheric pressure is reduced, check device is opened, exhaust gas enters exhaust pipe, intraductal atmospheric pressure restores normal when exhaust fan is closed, check device is automatically closed.
Description
Technical field
The utility model relates to the technical fields of environmental protection exhaust, more particularly, to a kind of station environment-protective exhaust device.
Background technique
In modern industrial production, it is often necessary to the techniques such as the welding for generating exhaust gas or cutting of attending the meeting, however in workshop
The enclosure spaces such as interior can pollute air in workshop using the technique that can generate exhaust gas, open the exhaust equipment energy consumption of entire workshop too
Greatly, effect is also very little, has at this moment just used the environment-protective exhaust device that can take the exhaust gas of a small range away, this device is all
Be aggregated into a general pipeline, but when only have part environment-protective exhaust device to open on general pipeline and other devices be in close state when,
Exhaust gas in general pipeline can be spread back in workshop from the device of closing, cause exhaust gas recirculation.
Utility model content
In view of the deficienciess of the prior art, can be arranged the purpose of this utility model is to provide a kind of with the environmental protection of non-return
Device of air.
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of environmental protection with check function
Exhaust apparatus can prevent exhaust gas recirculation.
The above-mentioned purpose of utility model of the utility model has the technical scheme that a kind of environmental protection exhaust
Device, the bracket including exhaust apparatus ontology and the support exhaust apparatus ontology, the exhaust apparatus ontology includes successively connecting
Exhaust pipe, exhaust hose, the hood connect, setting exhaust fan and filter in exhaust pipe, it is characterised in that: the hood with
The exhaust hose junction is vertically arranged with check device.
By using above-mentioned technical proposal, when starting exhaust fan, exhaust gas enters hood and flows up along pipeline, leads to
It is discharged after crossing filter filtering, when the device is closed, check device can be automatically prevented from the exhaust gas in general pipeline and be spread by device
Workshop is returned, guarantees the cleaning of environment in workshop.
The utility model is further arranged to: the check device includes the cylinder being vertically arranged and is located in the cylinder
Check ball, the cylinder lumen internal diameter is greater than the check ball outer diameter and the cylinder next week and along internal diameter is less than the check ball
Outer diameter, the height of the cylinder are greater than the diameter of the sphere.
By using above-mentioned technical proposal, when starting exhaust fan, exhaust gas enters hood and flows up along pipeline, gives up
Gas jacks up check ball during flowing, check ball and cylinder next week along separating, thus make exhaust gas from check ball and cylinder it
Between gap be smoothly discharged, when closing blower, check ball self gravitation effect fall after rise, to make check ball and cylinder next week
The contact surface of closed annular is formed between, to prevent the exhaust gas in general pipeline from spreading back workshop by device, is guaranteed in workshop
The cleaning of environment.
The utility model is further arranged to: butterfly valve is arranged between the hood and check device.
By using above-mentioned technical proposal, butterfly valve can be turned off manually in check device failure, prevent exhaust gas recirculation,
Butterfly valve can be closed when long when not used, uses opening butterfly valve often.
The utility model is further arranged to: limiting device is arranged on the butterfly valve folding handle.
By using above-mentioned technical proposal, the folding size of butterfly valve can choose, butterfly valve angle is carried out with limiting device
Limitation prevents butterfly valve from changing folding angle under airflow function.
The utility model is further arranged to: the limiting device includes hinged upper handle and lower handle, is set about
Handle is fixed on the axis that butterfly valve extends out, the convex block of upper handle end setting straight down, and position-arresting disk is arranged under lower handle, limits
Position disk is equipped with several limit holes, and convex block is just inserted into limit hole.
By using above-mentioned technical proposal, upper handle and lower handle rotation drive butterfly valve rotation, and convex block is inserted into limit hole
It is limited, operator can choose the folding angle of butterfly valve, and it is big to open and close the adjustable capacity of angle by control butterfly valve
It is small.
The utility model is further arranged to: the filter be located at exhaust pipe and exhaust hose interface and exhaust fan it
Between.
By using above-mentioned technical proposal, exhaust gas can be made to be filtered before through exhaust fan, prevent dust with air-flow
It is moved in conveyance conduit, abrasion exhaust fan causes it to damage or be gathered in certain positions, influences the normal of environment-protective exhaust device
Operation.
The utility model is further arranged to: the hood is the funnel-form that hollow cone adds hollow cylinder to form, and
Hood bottom diameter is greater than upper-end inner diameter.
By using above-mentioned technical proposal, exhaust gas can be made more effectively to be absorbed and manufacture process simplicity.
The utility model is further arranged to: the bracket includes the center stand column being vertically arranged and is connected to the column
Horizontally-supported column is connected with oblique pull column, the oblique pull column, horizontal branch between the horizontally-supported column and the center stand column end
Dagger and center stand column connect into triangle.
Hood can be made more stable using the stability of triangle by using above-mentioned technical proposal.To sum up institute
It states, the advantageous effects of the utility model are as follows:
1. effectively preventing the exhaust gas recirculation in general pipeline by the way that check device is arranged above hood;
2. by the way that butterfly valve and limiting device are arranged above hood so as to adjusting capacity size.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the cross-sectional view of check device in Fig. 1.
Fig. 3 is the limit device structure schematic diagram of the utility model.
Fig. 4 is part A enlarged drawing in Fig. 3.
In figure: 1, hood;2, exhaust hose;3, exhaust pipe;4, butterfly valve;5, check device;6, check ball;7, it filters
Device;8, exhaust fan;9, limiting device;10, position-arresting disk;11, upper handle;12, lower handle;13, limit hole;14, bracket;15, cylinder
Body;131, convex block;141, center stand column;142, horizontally-supported column;143, oblique pull column.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Environment-protective exhaust device, as shown in Figure 1, including exhaust apparatus ontology and the bracket for supporting the exhaust apparatus ontology
14, bracket 14 includes the center stand column 141 being vertically arranged and is connected to the horizontally-supported column 142 of the center stand column 141, the water
Oblique pull column 143, the oblique pull column 143, horizontally-supported column are connected between 141 end of flat support column 142 and the center stand column
142 and center stand column 141 connect into triangle, exhaust apparatus ontology includes sequentially connected exhaust pipe 3, exhaust hose 2, exhaust
Cover 1, the interior setting exhaust fan 8 of exhaust pipe 3 and filter 7, hood 1 are the funnel-form that hollow cone adds hollow cylinder to form, and
1 bottom diameter of hood is greater than upper-end inner diameter, and hood 1 and 2 junction of exhaust hose are vertically arranged with check device 5,
When starting exhaust fan 8, exhaust gas enters hood 1 and flows up along pipeline, is discharged after being filtered by filter 7, filter 7
Between exhaust pipe 3 and 2 interface of exhaust hose and exhaust fan 8, when the device is closed, check device 5 can be automatically prevented from always
Exhaust gas in pipe spreads back workshop by device, guarantees the cleaning of environment in workshop, and check device 5 includes the cylinder being vertically arranged
15 and the check ball 6 in the cylinder 15,15 inner cavity internal diameter of cylinder is greater than under 6 outer diameter of check ball and the cylinder 15
Week is less than 6 outer diameter of check ball along internal diameter, and the height of cylinder 15 is greater than the diameter of the check ball 6, and exhaust gas enters hood 1
And flowed up along pipeline, exhaust gas jacks up check ball 6 during flowing, and check ball 6 is separated with 15 next week of cylinder edge, thus
Gap of the exhaust gas between check ball 6 and cylinder 15 is smoothly discharged, when closing exhaust fan 8, check ball 6 is made in self gravity
With falling, to make check ball 6 and 15 next week of cylinder form the contact surface of closed annular between, to prevent useless in general pipeline
Gas spreads back workshop by device, and 5 valve body of check device lower section is equipped with rubber sheet gasket, 6 He of check ball with 6 contact position of check ball
Butterfly valve 4 can be arranged with better seal in rubber sheet gasket contact between hood 1 and check device 5, can be in check device failure
When butterfly valve 4 is turned off manually, prevent exhaust gas recirculation, butterfly valve 4 can be closed when not used when long, use opening butterfly valve 4 often, butterfly valve 4
It opens and closes and limiting device 9 is set on handle.
Limiting device on butterfly valve is as shown in Figure 3 or Figure 4, and limiting device 9 includes hinged upper handle 11 and sets about
Handle 12, lower handle 12 are fixed on the axis that butterfly valve extends out, and the convex block 131 of 11 end of upper handle setting straight down is set about
Position-arresting disk 10 is set under handle, and position-arresting disk 10 is equipped with several limit holes 13, and convex block 131 is just inserted into limit hole 13, upper handle
11 and lower handle 12 rotation drive butterfly valve 4 rotate, convex block 131 be inserted into limit hole 13 in limited, operator can choose
The folding angle of butterfly valve 4 opens and closes the adjustable capacity size of angle by control butterfly valve 4.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of environment-protective exhaust device, the bracket (14) including exhaust apparatus ontology and the support exhaust apparatus ontology is described
Exhaust apparatus ontology includes sequentially connected exhaust pipe (3), exhaust hose (2), hood (1), setting exhaust in exhaust pipe (3)
Fan (8) and filter (7), it is characterised in that: the hood (1) and the exhaust hose (2) junction are vertically arranged with only
Return device (5).
2. environment-protective exhaust device according to claim 1, it is characterised in that: the check device (5) includes being vertically arranged
Cylinder (15) and be located at the cylinder (15) in check ball (6), cylinder (15) the inner cavity internal diameter be greater than the check ball
(6) outer diameter and the cylinder (15) next week are less than the check ball (6) outer diameter along internal diameter, and the height of the cylinder (15) is greater than institute
State the diameter of check ball (6).
3. environment-protective exhaust device according to claim 1, it is characterised in that: the hood (1) and check device (5) it
Between be arranged butterfly valve (4).
4. environment-protective exhaust device according to claim 3, it is characterised in that: limit is arranged on butterfly valve (4) the folding handle
Position device (9).
5. environment-protective exhaust device according to claim 4, it is characterised in that: the limiting device (9) includes hinge connection
Upper handle (11) and lower handle (12), lower handle (12) is fixed on the axis that butterfly valve extends out, and upper handle (11) end is set
Convex block (131) straight down to be set, position-arresting disk (10) are set under lower handle, position-arresting disk (10) is equipped with several limit holes (13),
Convex block (131) is just inserted into limit hole (13).
6. environment-protective exhaust device according to claim 1, it is characterised in that: the filter (7) be located at exhaust pipe (3) with
Between exhaust hose (2) interface and exhaust fan (8).
7. environment-protective exhaust device according to claim 1, it is characterised in that: the hood (1) is that hollow cone adds sky
The funnel-form of heart cylinder composition, and hood (1) bottom diameter is greater than upper-end inner diameter.
8. environment-protective exhaust device according to claim 1, it is characterised in that: the bracket (14) includes in being vertically arranged
Heart column (141) and be connected to the center stand column (141) horizontally-supported column (142), the horizontally-supported column (142) with it is described
It is connected with oblique pull column (143) between center stand column (141) end, the oblique pull column (143), horizontally-supported column (142) and center
Column (141) connects into triangle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822269600.4U CN209405862U (en) | 2018-12-29 | 2018-12-29 | Environment-protective exhaust device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822269600.4U CN209405862U (en) | 2018-12-29 | 2018-12-29 | Environment-protective exhaust device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209405862U true CN209405862U (en) | 2019-09-20 |
Family
ID=67942216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822269600.4U Expired - Fee Related CN209405862U (en) | 2018-12-29 | 2018-12-29 | Environment-protective exhaust device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209405862U (en) |
-
2018
- 2018-12-29 CN CN201822269600.4U patent/CN209405862U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20211229 |
|
CF01 | Termination of patent right due to non-payment of annual fee |