CN208670424U - A kind of fluid line anti-backflow device - Google Patents
A kind of fluid line anti-backflow device Download PDFInfo
- Publication number
- CN208670424U CN208670424U CN201821457885.8U CN201821457885U CN208670424U CN 208670424 U CN208670424 U CN 208670424U CN 201821457885 U CN201821457885 U CN 201821457885U CN 208670424 U CN208670424 U CN 208670424U
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- CN
- China
- Prior art keywords
- turntable
- fluid line
- fixedly connected
- pipeline body
- line anti
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- 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.)
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Abstract
The utility model discloses a kind of fluid line anti-backflow device, including pipeline body, check valve is fixedly connected on the outside of one end of the pipeline body.This kind of utility model design is reasonable, it is very suitable to fluid line anti-backflow use, by being provided with rotating vane and connecting shaft, and under the cooperation of the first turntable and the second turntable and motor and shaft, when flowmeter detects fluid reflux, drive shaft is rotated clockwise by rotating electric machine, the rotation of the second turntable is driven by shaft, it is rotated by the rotating vane in the second driven by rotary disc connecting shaft, make to be tightly connected between rotating vane, fluid can be effectively prevented to flow back, it prevents from causing operator unnecessary injury, when flowmeter detects fluid proper flow, rotating electric machine rotates counterclockwise, by being similarly sequentially connected, open rotating vane, fluid is normally conveyed, by being provided with check valve, fluid reflux can be further prevented by check valve, it is suitble to be widely popularized.
Description
Technical field
The utility model relates to fluid line technical field, in particular to a kind of fluid line anti-backflow device.
Background technique
Fluid is a kind of object form corresponding with solid, is the general name of liquids and gases.By largely, constantly
Make warm-up movement and also without the molecule of stable equilibrium position constitute, fluid has certain compressibility, and liquid compressibility is very
It is small, and the compressibility of gas is larger, when the shape of fluid changes, there is also certain resistances of motion between each layer of fluid
(i.e. viscosity).When fluid viscosity and compressibility very little, can approximation regard perfect fluid as, it is people for research
Movement and the state of fluid and the ideal model introduced, are the media of hydraulic drive and Pneumatic Transmission, carry out to fluid
During conveying, existing pipeline is easy to produce reflux situation, and fluid generates reflux in conveying and can cause to operator
Injury.
Utility model content
The main purpose of the utility model is to provide a kind of fluid line anti-backflow devices, can effectively solve background
The problems in technology.
To achieve the above object, the technical solution that the utility model is taken are as follows:
One end outside of a kind of fluid line anti-backflow device, including pipeline body, the pipeline body is fixedly connected
There is check valve, the outer surface middle-end of the pipeline body is provided with pressure relief opening, and the top spiral of the pressure relief opening is connected with sealing
It covers, buffering protrusion is fixedly connected on the inner wall of the pipeline body, the inside of the pipeline body is close to one end of check valve
It is fixedly connected with reflux bucket, the inner bottom of the reflux bucket is provided with sealing plate, and the sealing plate includes the first turntable and the
Two turntables, the bottom of second turntable are fixedly connected with shaft, and second turntable is connected by shaft and rotating electric machine transmission
It connects, second turntable and the concentric rotation connection of the first turntable, the inner bottom of first turntable is provided with sliding slot, described
The inner bottom of second turntable is fixedly connected with one end of connecting shaft, and the other end of the connecting shaft runs through sliding slot and rotating vane
It being fixedly connected, the inner wall of the pipeline body is provided with wave groove, and the bottom side of the reflux bucket is fixedly connected with flowmeter,
The flowmeter and rotating electric machine are electrically connected.
Further, the rotating vane is provided with 7, and the material of the rotating vane is soft rubber, the pivoting leaf
Piece is embedded in the top surrounding of the first turntable.
Further, the sliding slot is ring channel structures, and the width of the sliding slot is greater than the diameter of connecting shaft, the sliding slot
Be internally provided with oil groove.
Further, the rotating electric machine is servo motor, the model YL7112-0.25KW of the rotating electric machine, institute
State the model HQLWGY of flowmeter.
Further, the inside of the wave groove is filled with spongy layer, is provided with steel wire on the inner wall of the wave groove,
The wave groove is cyclic structure.
Further, the material of the buffering protrusion is rubber, and the buffering protrusion is hemispherical dome structure, and the buffering is convex
The outer surface risen is rough surface, and the buffering protrusion is provided with several.
Further, the material of the sealing cover is polyethylene, and the sealing cover and pressure relief opening junction are provided with sealing
Pad, the sealing cover are detachable structure relative to pipeline body.
Compared with prior art, the utility model has the following beneficial effects: this kind of utility model design is reasonable, user
Just, it is very suitable to fluid line anti-backflow use, by being provided with the compounding practice mode of rotating vane and connecting shaft, and the
Under the cooperation of one turntable and the second turntable and motor and shaft, when flowmeter detects fluid reflux, pass through rotating electric machine
Drive shaft is rotated clockwise, the rotation of the second turntable is driven by shaft, passes through the pivoting leaf in the second driven by rotary disc connecting shaft
Piece rotation, makes to be tightly connected between rotating vane, fluid can be effectively prevented and flow back, and preventing from causing operator need not
The injury wanted, when flowmeter detects fluid proper flow, rotating electric machine rotates counterclockwise, by being similarly sequentially connected,
Open rotating vane, fluid is normally conveyed, and by being provided with check valve, can further prevent fluid by check valve
Reflux, it is simple and convenient, it is suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model schematic cross-sectional view.
Fig. 3 is the utility model reflux bucket schematic diagram of internal structure.
Fig. 4 is the utility model sealing plate structure schematic diagram.
Fig. 5 is the first turntable of the utility model top structure schematic diagram.
In figure: 1, pipeline body;2, pressure relief opening;3, sealing cover;4, check valve;5, wave groove;6, buffering protrusion;7, it flows back
Bucket;8, sealing plate;9, rotating electric machine;10, flowmeter;11, rotating vane;12, the first turntable;13, the second turntable;14, it connects
Axis;15, sliding slot;16, shaft.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-5, a kind of fluid line anti-backflow device, including pipeline body 1, the one of the pipeline body 1
End outside is fixedly connected with check valve 4, and the outer surface middle-end of the pipeline body 1 is provided with pressure relief opening 2, the pressure relief opening 2
Top spiral is connected with sealing cover 3, and buffering protrusion 6, the pipeline body 1 are fixedly connected on the inner wall of the pipeline body 1
Inside close to one end of check valve 4 be fixedly connected with reflux bucket 7, it is described reflux bucket 7 inner bottom be provided with sealing plate 8,
The sealing plate 8 includes the first turntable 12 and the second turntable 13, and the bottom of second turntable 13 is fixedly connected with shaft 16, institute
It states the second turntable 13 to be sequentially connected by shaft 16 and rotating electric machine 9,12 concentric turns of second turntable 13 and the first turntable
Dynamic connection, the inner bottom of first turntable 12 are provided with sliding slot 15, and the inner bottom of second turntable 13 is fixedly connected
There is one end of connecting shaft 14, the other end of the connecting shaft 14 is fixedly connected through sliding slot 15 with rotating vane 11, the pipeline
The inner wall of ontology 1 is provided with wave groove 5, and the bottom side of the reflux bucket 7 is fixedly connected with flowmeter 10, the flowmeter 10
It is electrically connected with rotating electric machine 9.
Wherein, the rotating vane 11 is provided with 7, and the material of the rotating vane 11 is soft rubber, the pivoting leaf
Piece 11 is embedded in the top surrounding of the first turntable 12, effectively fluid can be prevented to flow back by the folding of rotating vane 11.
Wherein, the sliding slot 15 is ring channel structures, and the width of the sliding slot 15 is greater than the diameter of connecting shaft 14, the cunning
Slot 15 is internally provided with oil groove, can be convenient by sliding slot 15 and the motion profile of connecting shaft 14 is fixed.
Wherein, the rotating electric machine 9 is servo motor, and the model YL7112-0.25KW of the rotating electric machine 9 is described
The model HQLWGY of flowmeter 10.
Wherein, the inside of the wave groove 5 is filled with spongy layer, is provided with steel wire on the inner wall of the wave groove 5, institute
Stating wave groove 5 is cyclic structure, and the crushing resistance of pipeline body 1 can be improved by wave groove 5, prevents pipeline body 1 from bursting.
Wherein, the material of the buffering protrusion 6 is rubber, and the buffering protrusion 6 is hemispherical dome structure, the buffering protrusion
6 outer surface is rough surface, and the buffering protrusion 6 is provided with several, can effectively be produced to reflux fluid by buffering protrusion 6
Raw resistance.
Wherein, the material of the sealing cover 3 is polyethylene, and the sealing cover 3 is provided with sealing with 2 junction of pressure relief opening
Pad, the sealing cover 3 are detachable structure relative to pipeline body 1, are cooperated by the sealing of sealing cover 3 and pressure relief opening 2, can be with
It is convenient that pressure release is carried out to pipeline body 1.
It should be noted that the utility model is a kind of fluid line anti-backflow device, when work, when flowmeter 10 is examined
Measure fluid flow direction it is opposite with conveying direction when, by rotating electric machine 9 rotate clockwise drive shaft 16, pass through shaft 16
It drives the second turntable 13 to rotate, drives the rotating vane 11 in connecting shaft 14 to rotate by the second turntable 13, make rotating vane 11
Between be tightly connected, when flowmeter 10 detects that fluid flow direction is consistent with conveying direction, rotating electric machine 9 counterclockwise revolve
Turn, by being similarly sequentially connected, opens rotating vane 11, fluid is normally conveyed, can be further by check valve 4
Prevent fluid reflux.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of fluid line anti-backflow device, including pipeline body (1), it is characterised in that: the one of the pipeline body (1)
End outside is fixedly connected with check valve (4), and the outer surface middle-end of the pipeline body (1) is provided with pressure relief opening (2), the pressure release
The top spiral of mouth (2) is connected with sealing cover (3), and buffering protrusion (6) is fixedly connected on the inner wall of the pipeline body (1),
The inside of the pipeline body (1) is fixedly connected with reflux bucket (7), the interior of bucket (7) that flow back close to one end of check valve (4)
Portion bottom end is provided with sealing plate (8), the sealing plate (8) include the first turntable (12) and the second turntable (13), described second turn
The bottom of disk (13) is fixedly connected with shaft (16), and second turntable (13) is driven by shaft (16) and rotating electric machine (9)
Connection, second turntable (13) and the first turntable (12) concentric rotation connection, the inner bottom of first turntable (12)
It is provided with sliding slot (15), the inner bottom of second turntable (13) is fixedly connected with one end of connecting shaft (14), the connection
The other end of axis (14) is fixedly connected through sliding slot (15) with rotating vane (11), and the inner wall of the pipeline body (1) is provided with
The bottom side of wave groove (5), the reflux bucket (7) is fixedly connected with flowmeter (10), the flowmeter (10) and electric rotating
Machine (9) is electrically connected.
2. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the rotating vane (11)
7 are provided with, the material of the rotating vane (11) is soft rubber, and the rotating vane (11) is embedded in the first turntable (12)
Top surrounding.
3. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the sliding slot (15) is ring
Shape slot structure, the width of the sliding slot (15) are greater than the diameter of connecting shaft (14), and the sliding slot (15) is internally provided with oil groove.
4. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the rotating electric machine (9)
For servo motor, the model YL7112-0.25KW, the model HQLWGY of the flowmeter (10) of the rotating electric machine (9).
5. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the wave groove (5)
Inside is filled with spongy layer, and steel wire is provided on the inner wall of the wave groove (5), and the wave groove (5) is cyclic structure.
6. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the buffering is raised (6)
Material be rubber, the buffering raised (6) is hemispherical dome structure, and the outer surface for buffering raised (6) is rough surface, described
It buffers raised (6) and is provided with several.
7. a kind of fluid line anti-backflow device according to claim 1, it is characterised in that: the sealing cover (3)
Material is polyethylene, and the sealing cover (3) and pressure relief opening (2) junction are provided with gasket, and the sealing cover (3) is relative to pipe
Road ontology (1) is detachable structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821457885.8U CN208670424U (en) | 2018-09-06 | 2018-09-06 | A kind of fluid line anti-backflow device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821457885.8U CN208670424U (en) | 2018-09-06 | 2018-09-06 | A kind of fluid line anti-backflow device |
Publications (1)
Publication Number | Publication Date |
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CN208670424U true CN208670424U (en) | 2019-03-29 |
Family
ID=65843308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821457885.8U Expired - Fee Related CN208670424U (en) | 2018-09-06 | 2018-09-06 | A kind of fluid line anti-backflow device |
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CN (1) | CN208670424U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110579309A (en) * | 2019-10-23 | 2019-12-17 | 谢云真 | Structure for preventing detection substance from being brought out of pressure transmitter |
WO2021057034A1 (en) * | 2019-09-29 | 2021-04-01 | 厦门倍杰特科技股份公司 | Anti-backflow anti-siphon module |
CN112677328A (en) * | 2020-12-22 | 2021-04-20 | 周卫宁 | Concrete batching machine for concrete mixing plant |
CN113266687A (en) * | 2021-07-16 | 2021-08-17 | 四川成都空分配套阀门有限公司 | Check valve |
CN115501994A (en) * | 2022-10-11 | 2022-12-23 | 山东科川节能环保科技有限公司 | Rotational flow high-efficiency and backflow-prevention injection device |
-
2018
- 2018-09-06 CN CN201821457885.8U patent/CN208670424U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021057034A1 (en) * | 2019-09-29 | 2021-04-01 | 厦门倍杰特科技股份公司 | Anti-backflow anti-siphon module |
CN110579309A (en) * | 2019-10-23 | 2019-12-17 | 谢云真 | Structure for preventing detection substance from being brought out of pressure transmitter |
CN110579309B (en) * | 2019-10-23 | 2021-05-07 | 诸暨市竟程智能科技有限公司 | Structure for preventing detection substance from being brought out of pressure transmitter |
CN112677328A (en) * | 2020-12-22 | 2021-04-20 | 周卫宁 | Concrete batching machine for concrete mixing plant |
CN113266687A (en) * | 2021-07-16 | 2021-08-17 | 四川成都空分配套阀门有限公司 | Check valve |
CN113266687B (en) * | 2021-07-16 | 2021-09-24 | 四川成都空分配套阀门有限公司 | Check valve |
CN115501994A (en) * | 2022-10-11 | 2022-12-23 | 山东科川节能环保科技有限公司 | Rotational flow high-efficiency and backflow-prevention injection device |
CN115501994B (en) * | 2022-10-11 | 2023-08-22 | 山东科川节能环保科技有限公司 | Jet device capable of achieving efficient cyclone and backflow prevention jet |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20200906 |
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CF01 | Termination of patent right due to non-payment of annual fee |