CN210600312U - Flow guiding type elbow wind check valve - Google Patents
Flow guiding type elbow wind check valve Download PDFInfo
- Publication number
- CN210600312U CN210600312U CN201921349041.6U CN201921349041U CN210600312U CN 210600312 U CN210600312 U CN 210600312U CN 201921349041 U CN201921349041 U CN 201921349041U CN 210600312 U CN210600312 U CN 210600312U
- Authority
- CN
- China
- Prior art keywords
- arc
- elbow
- guide plate
- guide pipe
- air guide
- 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
Links
Images
Abstract
The diversion type elbow air check valve comprises an elbow air guide pipe, a limiting rod A, a limiting rod B, an arc-shaped diversion plate and a rotating shaft; one end of the elbow air guide pipe is an air inlet end, the other end of the elbow air guide pipe is an air outlet end, and an arc-shaped bending section is arranged in an inner cavity of the elbow air guide pipe; the arc guide plate is movably installed in the arc bending section of the elbow air guide pipe through the rotating shaft, the arc guide plate can rotate around the rotating shaft, so that the air guide state and the non-return state are switched, when the arc guide plate is in the air guide state, the surfaces of the two sides of the arc guide plate respectively abut against the limiting rod A, the inner cavity of the elbow air guide pipe is opened, when the arc guide plate is in the non-return state, the side edge of the arc guide plate is embedded into the limiting rod B, and the inner cavity of the elbow air guide pipe is separated. The utility model discloses the advantage lies in, is equipped with the arc guide plate in the elbow guide duct, has reduced the separation and has flowed and resistance arc guide plate under the wind-force effect, can switch under two kinds of states to replaced the check valve.
Description
Technical Field
The utility model relates to a gas circuit pipeline assembly field, especially a water conservancy diversion formula elbow wind check valve.
Background
In the air passage pipeline, the conventional design is provided with an elbow to save space or a check valve to prevent gas from flowing backwards, but in practical application, the conventional design has the following defects:
1. the elbow of the gas path pipeline is easy to generate cyclone, which causes energy loss and generates noise.
2. The check valve is a single component, which takes up a large amount of space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a water conservancy diversion formula elbow wind check valve, it has solved the elbow department of current gas circuit pipeline and has easily produced the cyclone, causes energy loss to the problem of noise produces, and the check valve occupation space who has still solved current gas circuit pipeline is big, dismantles inconvenient problem.
The technical scheme of the utility model is that: the diversion type elbow air check valve comprises an elbow air guide pipe, a limiting rod A, a limiting rod B, an arc-shaped diversion plate and a rotating shaft;
one end of the elbow air guide pipe is an air inlet end, the other end of the elbow air guide pipe is an air outlet end, and an arc-shaped bending section is arranged in an inner cavity of the elbow air guide pipe; the limiting rod A and the limiting rod B are both fixedly arranged in the arc-shaped bending section of the elbow air guide pipe; the arc guide plate is movably installed in the arc bending section of the elbow air guide pipe through the rotating shaft, the arc guide plate can rotate around the rotating shaft, so that the air guide state and the non-return state are switched, when the arc guide plate is in the air guide state, the surfaces of the two sides of the arc guide plate respectively abut against the limiting rod A, so that the inner cavity of the elbow air guide pipe is opened, when the arc guide plate is in the non-return state, the surfaces of the two sides of the arc guide plate respectively abut against the limiting rod B, and therefore the inner cavity of the elbow air guide pipe is separated.
The utility model discloses further technical scheme is: one side surface of the arc-shaped guide plate is an outward convex cambered surface, the other side surface of the arc-shaped guide plate is an inward concave cambered surface, and the outward convex cambered surface and the inward concave cambered surface are connected at two ends of the arc-shaped guide plate through smooth transition of the arc surfaces.
The utility model discloses further technical scheme is: the radial section of the elbow air guide pipe at the arc-shaped bent section is rectangular, and four corners of the rectangle are in arc transition.
The utility model discloses further technical scheme is: the radian of the arc-shaped guide plate is matched with the radian of the arc-shaped bent section of the elbow air guide pipe.
The utility model discloses further technical scheme is: the wall surface of the arc bending section of the elbow air guide pipe is provided with a sealing strip, and when the arc guide plate is in a non-return state, the side edge of the arc guide plate is in contact with the sealing strip to form sealing.
The utility model discloses further technical scheme is: the air inlet direction m of the air inlet end of the elbow air guide pipe and the air outlet direction n of the air outlet end of the elbow air guide pipe form an included angle a, and the value range of a is more than or equal to 80 degrees and less than or equal to 100 degrees.
The utility model discloses further technical scheme is: the value of a is 90 deg..
Compared with the prior art, the utility model have following advantage:
1. the elbow guide duct is internally provided with an arc-shaped guide plate, so that the separated flow and the resistance are reduced.
2. The arc-shaped guide plate can be switched under two states under the action of wind power, so that a check valve is replaced, the existing elbow and the check valve are combined into a whole, the number of parts of the gas path pipeline is reduced, and the space occupied by the gas path pipeline is saved.
The invention is further described below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic view of the structure of embodiment 1 in a non-return state;
fig. 2 is a schematic structural view of embodiment 1 in a wind guiding state;
FIG. 3 is a schematic structural view of embodiment 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a left side view of FIG. 3;
FIG. 6 is a cross-sectional view A-A of FIG. 4;
FIG. 7 is an enlarged view of portion A of FIG. 6;
fig. 8 is a schematic structural view of the deflector-type elbow wind check valve in the non-return state according to embodiment 2;
fig. 9 is a schematic structural view of a deflector-type elbow air check valve in an air guiding state according to embodiment 2;
fig. 10 is a perspective view of the present invention;
fig. 11 is a perspective view of the present invention when connecting the pipe with a radius-changing device.
Detailed Description
Example 1:
as shown in fig. 1-7, the diversion type elbow air check valve includes an elbow air guide pipe 1, a limiting rod a2, a limiting rod B3, an arc-shaped diversion plate 4 and a rotating shaft 5.
One end of the elbow air guide pipe 1 is an air inlet end, the other end of the elbow air guide pipe is an air outlet end, and an arc-shaped bending section is arranged in an inner cavity of the elbow air guide pipe 1. The limiting rod A2 and the limiting rod B3 are both fixedly installed in the arc-shaped bending section of the elbow air guide pipe 1. Arc guide plate 4 is in the arc bending section of elbow guide duct 1 through 5 movable mounting of pivot, arc guide plate 4 can revolute 5 rotations of pivot, thereby switch between wind-guiding state and non return state, when arc guide plate 4 is in the wind-guiding state, its both sides surface offsets with gag lever post A2 respectively, thereby make elbow guide duct 1's inner chamber open (the air inlet end and the air-out end intercommunication of elbow guide duct 1 promptly), when arc guide plate 4 is in the non return state, its both sides surface offsets with gag lever post B3 respectively, thereby make elbow guide duct 1's inner chamber cut off (the air inlet end and the air-out end of elbow guide duct 1 do not communicate promptly).
Preferably, the radial section of the elbow air guide pipe 1 at the arc-shaped bending section is rectangular, and four corners of the rectangle are in arc transition.
Preferably, the air inlet direction m of the air inlet end of the elbow air guide pipe 1 and the air outlet direction n of the air outlet end of the elbow air guide pipe 1 form an included angle a, the value range of a is more than or equal to 80 degrees and less than or equal to 100 degrees, and the preferred angle is 90 degrees.
Preferably, one side surface of the arc-shaped guide plate 4 is an outer convex cambered surface, the other side surface of the arc-shaped guide plate 4 is an inner concave cambered surface, and the outer convex cambered surface and the inner concave cambered surface are connected through smooth transition of the arc surface at two ends of the arc-shaped guide plate 4. When the arc-shaped guide plate 4 is in a wind guiding state, the arc surface can play a role in guiding wind, and wind resistance is effectively reduced.
Preferably, the rotating shaft 5 is installed at a position deviated from the center of the arc-shaped guide plate 4, so that the arc-shaped guide plate 4 forms force arms with different lengths at both sides bounded by the rotating shaft 5. The arc-shaped guide plate 4 is convenient to be blown up by wind, and the arc-shaped guide plate 4 can rotate to the position of the inner cavity of the partition elbow air guide pipe 1 automatically in a windless state.
Preferably, the wall surface of the arc bending section of the elbow air guide pipe 1 is provided with a sealing strip 6, and when the arc guide plate 4 is in a non-return state, the side edge of the arc guide plate is contacted with the sealing strip 6 to form sealing.
In this embodiment, the air inlet end of the elbow air guide pipe 1 is connected to a vertical pipe (i.e., a vertically arranged pipe), and the installation position of the rotating shaft 5 is relatively close to the outer side of the curve of the arc-shaped bending section.
Example 2:
as shown in fig. 8-9, the present embodiment is different from embodiment 1 only in the angle of the air duct connected to the elbow duct 1. In this embodiment, the air inlet end of the elbow air guide pipe 1 is connected with a horizontal pipe (i.e. a horizontally arranged pipeline), and the installation position of the rotating shaft 5 is relatively close to the inner side of the curve of the arc-shaped bending section.
Brief description the utility model discloses a use:
the diversion type elbow air check valve is installed in an air path pipeline, when two ends of an elbow air guide pipe 1 need to be connected with rectangular pipes, the diversion type elbow air check valve can be directly connected under the condition of size matching (see figure 10), and when two ends of the elbow air guide pipe 1 need to be connected with round pipes, the diversion type elbow air check valve can be connected with a sky-circle local reducer pipe 7 which is matched with the external size (see figure 11).
When elbow guide duct 1 advances wind according to normal wind direction (from the air inlet end air inlet, air-out end air-out promptly), arc guide plate 4 receives the effect of wind-force to be blown up, and is blockked when its both sides surface touches gag lever post A2, and arc guide plate 4 is in the wind-guiding state this moment, and the inner chamber of elbow guide duct 1 is opened, can normally ventilate.
When stopping ventilation in elbow guide duct 1, arc guide plate 4 rotates downwards under the effect of gravity, run into gag lever post A2 and can not rotate promptly when its both sides surface, arc guide plate 4 is in under the non return state this moment, elbow guide duct 1's inner chamber is cut off, can not ventilate against the wind direction (from the air-out end air inlet promptly, air inlet end air-out), if the contrary wind is to the air inlet, arc guide plate 4 receives the effect of wind force and can support gag lever post B3, can play fine non return effect.
Claims (7)
1. Flow guide type elbow air check valve, characterized by: comprises an elbow air guide pipe, a limiting rod A, a limiting rod B, an arc-shaped guide plate and a rotating shaft;
one end of the elbow air guide pipe is an air inlet end, the other end of the elbow air guide pipe is an air outlet end, and an arc-shaped bending section is arranged in an inner cavity of the elbow air guide pipe; the limiting rod A and the limiting rod B are both fixedly arranged in the arc-shaped bending section of the elbow air guide pipe; the arc guide plate is movably installed in the arc bending section of the elbow air guide pipe through the rotating shaft, the arc guide plate can rotate around the rotating shaft, so that the air guide state and the non-return state are switched, when the arc guide plate is in the air guide state, the surfaces of the two sides of the arc guide plate respectively abut against the limiting rod A, the inner cavity of the elbow air guide pipe is opened, when the arc guide plate is in the non-return state, the side edge of the arc guide plate is embedded into the limiting rod B, and the inner cavity of the elbow air guide pipe is separated.
2. The deflector-type elbow check valve of claim 1, further comprising: one side surface of the arc-shaped guide plate is an outward convex cambered surface, the other side surface of the arc-shaped guide plate is an inward concave cambered surface, and the outward convex cambered surface and the inward concave cambered surface are connected at two ends of the arc-shaped guide plate through smooth transition of the arc surfaces.
3. The flow directing elbow check valve of claim 2, wherein: the radial section of the elbow air guide pipe at the arc-shaped bent section is rectangular, and four corners of the rectangle are in arc transition.
4. The flow directing elbow check valve of claim 3, wherein: the radian of the arc-shaped guide plate is matched with the radian of the arc-shaped bent section of the elbow air guide pipe.
5. The flow directing elbow check valve of claim 4, wherein: the wall surface of the arc bending section of the elbow air guide pipe is provided with a sealing strip, and when the arc guide plate is in a non-return state, the side edge of the arc guide plate is in contact with the sealing strip to form sealing.
6. The flow directing elbow air check valve of any of claims 1-5, wherein: the air inlet direction m of the air inlet end of the elbow air guide pipe and the air outlet direction n of the air outlet end of the elbow air guide pipe form an included angle a, and the value range of a is more than or equal to 80 degrees and less than or equal to 100 degrees.
7. The deflector-type elbow check valve of claim 6, wherein: the value of a is 90 deg..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349041.6U CN210600312U (en) | 2019-08-20 | 2019-08-20 | Flow guiding type elbow wind check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349041.6U CN210600312U (en) | 2019-08-20 | 2019-08-20 | Flow guiding type elbow wind check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600312U true CN210600312U (en) | 2020-05-22 |
Family
ID=70688754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349041.6U Expired - Fee Related CN210600312U (en) | 2019-08-20 | 2019-08-20 | Flow guiding type elbow wind check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375094A (en) * | 2019-08-20 | 2019-10-25 | 南华大学 | Flow-guiding type elbow wind check-valves |
-
2019
- 2019-08-20 CN CN201921349041.6U patent/CN210600312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375094A (en) * | 2019-08-20 | 2019-10-25 | 南华大学 | Flow-guiding type elbow wind check-valves |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104236040B (en) | Wind blocking device for volute, volute component and air conditioner | |
| CN210600312U (en) | Flow guiding type elbow wind check valve | |
| CN2189230Y (en) | Device for guiding and adjusting air flow of electric fan | |
| CN102817462A (en) | Fireproof air exhaust duct inlet voltage transformation flow guide device | |
| CN1333215C (en) | Dry type ventiduct system with helical structure pipe and reflux-proof and fireproof throttle | |
| WO2023279817A1 (en) | Fan assembly and air conditioner | |
| CN206131114U (en) | Take two air intake fan structures of check valve in lampblack absorber | |
| CN210164688U (en) | Air duct volute of wing-shaped volute tongue | |
| CN110375094A (en) | Flow-guiding type elbow wind check-valves | |
| CN204187793U (en) | For the abat-vent of spiral case, spiral case assembly and air-conditioner | |
| CN209355459U (en) | Air-conditioner panel and air conditioner | |
| CN206723514U (en) | A kind of flow-guiding non-return valve | |
| CN214619731U (en) | Smoke machine flue flow guide structure, check valve and volute tongue structure | |
| KR101458892B1 (en) | Wind speed increasing apparatus and apartment wind power generation equipment utilizing the wind speed apparatus | |
| CN210399451U (en) | One-way drain pipe of air conditioner | |
| CN201809949U (en) | Residential fireproof type air exhaust passage | |
| CN219345590U (en) | Flue check valve | |
| JP2007232293A (en) | Sirocco fan for ventilation fan with outlet damper | |
| CN209801584U (en) | Magic bellows of integrated stove | |
| CN211874824U (en) | Guide vane for changing ECS airflow wind pressure | |
| CN216047911U (en) | Smoke exhaust pipe structure of integrated stove | |
| CN108691808B (en) | Air-out flow guiding structure of air exchange fan | |
| CN214370859U (en) | Air opening assembly, air outlet assembly and air conditioning system | |
| CN219570966U (en) | Fully-sealed flue check valve | |
| CN211449113U (en) | Single-side vaneless diffuser structure of centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210820 |