CN209278696U - A kind of anti-return three-way connection - Google Patents
A kind of anti-return three-way connection Download PDFInfo
- Publication number
- CN209278696U CN209278696U CN201821344853.7U CN201821344853U CN209278696U CN 209278696 U CN209278696 U CN 209278696U CN 201821344853 U CN201821344853 U CN 201821344853U CN 209278696 U CN209278696 U CN 209278696U
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- China
- Prior art keywords
- pipe
- supervisor
- branch pipe
- casing
- socketed
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-return three-way connections, including branch pipe and supervisor, the right end of the branch pipe is provided with supervisor, the left side of the supervisor is connected to the right end of branch pipe by integral mould, the top of the branch pipe is socketed with casing, the upper casing is socketed at the top end surface of branch pipe by integral mould, the bottom end of the branch pipe is socketed with setting of casing, the setting of casing is socketed at the bottom end surface of branch pipe by integral mould, the right end of the supervisor is socketed with main casing, the main casing equally passes through the right end face that integral mould is socketed in supervisor, keep entire back-flow preventer more firm in main pipe, and branch pipe inside water pressure is excessive in order to prevent causes overflow, resistance reflux pad is connected at the ring edge of resistance back flow plate, to make hydraulic pressure compressing resistance reflux pad, so that it is firmly sealed resistance back flow plate and manages interior edge Between gap, so that the leakproofness of back-flow preventer is guaranteed.
Description
Technical field
The utility model belongs to three-way connection correlative technology field, and in particular to a kind of anti-return three-way connection.
Background technique
Threeway is also known as pipe fitting threeway or tee pipe fitting, three-way connection etc., is mainly used for changing flow direction, is used in master
Pipeline is wanted at branched pipe.It can classify by pipe diameter size, generally use carbon steel, cast steel, steel alloy, stainless steel, copper, aluminium alloy, modeling
Material, the production of the materials such as PVC, threeway are to have there are three openning, i.e. an import, two outlets or two imports, one outlet
A kind of chemical industry cast, there is T shape and Y shape, there is isometrical nozzle, also there is reducing nozzle, is used for three identical or different pipeline junctions,
The main function of threeway is to change flow direction.
Existing three-way connection technology has the following problems: fluid needs to use pipeline as load when being transported
Body, and tee pipe fitting is used when pipeline junction needs to change the direction of fluid more, the use of tee pipe fitting is to the more of fluid
Direction flowing provides convenience, and some fluids are only to need to carry out one-way flow in transport, that is, need to prevent fluid reflux,
But there is no corresponding anti-return tee pipe fittings currently on the market, cause then and need to spend larger financial resources to go to purchase anti-return
Valve, to make the increased costs of place mat pipeline.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of anti-return three-way connection
Fluid needs to use pipeline as carrier when being transported, and when pipeline junction needs to change the direction of fluid more make
It is provided convenience with the use of tee pipe fitting, tee pipe fitting to the multi-direction flowing of fluid, and some fluids are only in transport
It needs to carry out one-way flow, that is, needs to prevent fluid reflux, but currently on the market there is no corresponding anti-return tee pipe fitting,
Then it causes and needs to spend larger financial resources to go to purchase anti-reflux valve, thus the problem of making the increased costs of place mat pipeline.
To achieve the above object, the utility model provides the following technical solutions:
A kind of anti-return three-way connection, including branch pipe and supervisor, the right end of the branch pipe are provided with supervisor, the supervisor's
Left side is connected to the right end of branch pipe by integral mould, and the top of the branch pipe is socketed with casing, and the upper casing passes through one
Body mold is socketed at the top end surface of branch pipe, and the bottom end of the branch pipe is socketed with setting of casing, and the setting of casing passes through one casting
Mould is socketed at the bottom end surface of branch pipe, and the right end of the supervisor is socketed with main casing, and the main casing equally passes through integrated casting
Mould is socketed in the right end face of supervisor, and the main casing is internally provided with screwed pipe, and the main casing is connected to by glue connection
At the inner wall of main casing, the supervisor is internally provided with back-flow preventer positioned at supervisor with branch pipe intersection.
Preferably, the back-flow preventer includes edge in resistance back flow plate, fixed screw, hinge, pipe and resistance reflux pad, described
It is responsible at the inner wall for being located at supervisor with branch pipe intersection and is provided with edge in pipe, edge is fixedly connected on by integral mould in the pipe
At the inner wall of supervisor, the top end on edge is provided with hinge in the pipe, and the surface of the hinge is provided with fixed screw, the hinge
One end of chain is fixedly connected on the surface on edge in pipe by fixed screw, and the other end of the hinge connects by the way that fixed screw is fixed
It connects in pipe along the surface of the resistance back flow plate of inside socket, hinders and resistance reflux is connected with by glue connection at the ring edge of back flow plate
Pad.
Preferably, branch pipe and supervisor intersection is arranged in close to this end of branch pipe in the resistance reflux pad.
Preferably, the maximum gauge of the resistance reflux pad is greater than in pipe along inner diameter, and the maximum of the resistance reflux pad is straight
Diameter is less than the outer diameter for managing interior edge.
Preferably, the resistance back flow plate can be flexibly connected by hinge with edge in pipe, and the maximum for hindering back flow plate is living
Dynamic radius is 60 degree.
Preferably, the inner wall of the screwed pipe is provided with uniform screw thread, and the screw thread of the screw thread inside pipe wall can be by turning
It is dynamic to be fixedly connected in connecting pipe, it can be fixed when the screwed pipe is rotated clockwise, the screwed pipe is counterclockwise
The fixation to connecting pipe can be detached from when rotation.
Preferably, the upper casing and cased size, specification are all the same, and the cased internal diameter and outer diameter are uniform
It causes.
Compared with prior art, the utility model provides a kind of anti-return three-way connection, have it is following the utility model has the advantages that
Individual flow is when being flowed in order to prevent, it is only necessary to which one-way flow, anti-backflow have especially used anti-return
Device, for back-flow preventer provided with edge in resistance back flow plate, fixed screw, hinge, pipe and resistance reflux pad, which use hinder to flow back
Plate, resistance back flow plate is flexibly connected by fixed screw fixed hinge, and hinders back flow plate at this time and only have one-way flow
Property, i.e. fluid can only be entered in branch pipe by supervisor, and cannot be entered in supervisor by branch pipe, to reach anti-backflow
Purpose in order to guarantee its stability and unidirectional flow, be connected to edge in pipe in the inner wall of supervisor, resistance reflux when in use
Plate and hinge are fixed in pipe by fixed screw along upper, it is more firm in main pipe to make entire back-flow preventer, and be
It prevents branch pipe inside water pressure is excessive from causing overflow, resistance reflux pad is connected at the ring edge of resistance back flow plate, to make water
Pressure compressing resistance reflux pad, makes it firmly seal the gap in resistance back flow plate and pipe between, makes the leakproofness of back-flow preventer
Guaranteed.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:
Fig. 1 be the utility model proposes a kind of anti-return three-way connection overall structure diagram；
Fig. 2 be the utility model proposes anti-return three-way connection back-flow preventer positive structure diagram；
Fig. 3 be the utility model proposes anti-return three-way connection back-flow preventer structure schematic diagram；
Fig. 4 be the utility model proposes anti-return three-way connection screwed pipe structural schematic diagram；
In figure: 1, upper casing；2, it is responsible for；3, main casing；4, back-flow preventer；5, setting of casing；6, branch pipe；7, screwed pipe；
41, back flow plate is hindered；42, fixed screw；43, hinge；44, edge in managing；45, resistance reflux pad.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
A kind of anti-return three-way connection, including branch pipe 6 and supervisor 2, the right end of branch pipe 6 is provided with supervisor 2, is responsible for 2 left side
Side is connected to the right end of branch pipe 6 by integral mould, and the top of branch pipe 6 is socketed with casing 1, and upper casing 1 passes through integral mould
It is socketed at the top end surface of branch pipe 6, the bottom end of branch pipe 6 is socketed with setting of casing 5, and setting of casing 5 is socketed in branch by integral mould
At the bottom end surface of pipe 6, the right end for being responsible for 2 is socketed with main casing 3, and main casing 3 is same to be socketed in supervisor's 2 by integral mould
Right end face, main casing 3 are internally provided with screwed pipe 7, and main casing 3 is connected at the inner wall of main casing 3 by glue connection, supervisor
2 are internally provided with back-flow preventer 4 positioned at supervisor 2 with 6 intersection of branch pipe.
Further, back-flow preventer 4 is padded including hindering interior flow back along 44 and resistance of back flow plate 41, fixed screw 42, hinge 43, pipe
45, supervisor 2 is located to be provided in pipe at the inner wall of supervisor 2 with 6 intersection of branch pipe to be fixed along 44 by integral mould along 44, pipe
It is connected at the inner wall of supervisor 2, the top end in pipe along 44 is provided with hinge 43, and the surface of hinge 43 is provided with fixed screw
42, one end of hinge 43 is fixedly connected in pipe by fixed screw 42 along 44 surface, and the other end of hinge 43 passes through fixation
Screw 42 is fixedly connected on the surface for the resistance back flow plate 41 being socketed in pipe along 44 inside, hinders and passes through at the ring edge of back flow plate 41
Glue connection is connected with resistance reflux pad 45, and which use resistance back flow plate 41, resistance back flow plate 41 passes through 42 fixed hinge 43 of fixed screw
To be flexibly connected, and back flow plate 41 is hindered at this time and only has unidirectional flow, i.e. fluid can only enter branch by supervisor 2
It in pipe 6, and cannot be entered by branch pipe 6 in supervisor 2, to achieve the purpose that anti-backflow, when in use, in order to guarantee it
Stability and unidirectional flow are connected in pipe along 44 in the inner wall of supervisor 2, hinder back flow plate 41 and hinge 43 passes through fixed screw
42 are fixed in pipe along 44, it is more firm inside supervisor 2 to make entire back-flow preventer 4, and in order to prevent inside branch pipe 6
Hydraulic pressure is excessive to cause overflow, and resistance reflux pad 45 is connected at the ring edge of resistance back flow plate 41, so that hydraulic pressure compressing be made to hinder back
Pad 45 is flowed, so that it is firmly sealed the gap in resistance back flow plate 41 and pipe between 44, enables the leakproofness of back-flow preventer 4
Guarantee.
Further, branch pipe 6 and 2 intersections of supervisor is arranged in close to this end of branch pipe 6 in resistance reflux pad 45, is rubbed open sets in this way
It sets, primarily to offer leakproofness and unidirectional flow, practicability are stronger.
Further, the maximum gauge of resistance reflux pad 45 is greater than in pipe along 44 inner diameters, the maximum gauge of resistance reflux pad 45
Less than the outer diameter in pipe along 44, can firmly be sealed in this way under the compressing of hydraulic pressure in resistance back flow plate 41 and pipe between 44
Gap.
Further, resistance back flow plate 41 can be flexibly connected in pipe along 44 by hinge 43, and hinder back flow plate 41 most
Long radius is 60 degree, and fluid can be entered to the inside of branch pipe 6 by supervisor 2 in this way.
Further, the inner wall of screwed pipe 7 is provided with uniform screw thread, and the screw thread of 7 inner wall of screwed pipe can be fixed by rotation
It is connected in connecting pipe, can be fixed when screwed pipe 7 is rotated clockwise, screwed pipe 7 can be detached from when rotating counterclockwise
Fixation to connecting pipe.
Further, size, the specification of upper casing 1 and setting of casing 5 are all the same, and the internal diameter and outer diameter of setting of casing 5 are consistent, this
Sample can easily be selected when in use according to the diameter of bypass line.
The working principle and process for using of the utility model: after the utility model installs, need carry out in use,
It needs for main pipeline to be attached by the screwed pipe 7 on main casing 3, when connection rotates clockwise supervisor 2, and fixation finishes
Afterwards, it needs branch pipe(tube) through hot-melt adhesive paste at the upper casing 1 and setting of casing 5 of the upper and lower ends of branch pipe 6, after connection,
Main pipeline valve body is opened, fluid is circulated into the inside of tee pipe fitting, whether test leakproofness is intact, after being completed, in order to
Prevent individual flow when being flowed, it is only necessary to which one-way flow, anti-backflow have especially used back-flow preventer 4, anti-return
Device 4 be provided with resistance back flow plate 41, fixed screw 42, hinge 43, pipe in along 44 and resistance reflux pad 45, which use resistance flow back
Plate 41, resistance back flow plate 41 is by 42 fixed hinge 43 of fixed screw to be flexibly connected, and hinder back flow plate 41 tools at this time
Standby unidirectional flow, i.e. fluid can only be entered in branch pipe 6 by supervisor 2, and cannot be entered by branch pipe 6 in supervisor 2, from
And achieve the purpose that anti-backflow, when in use, in order to guarantee its stability and unidirectional flow, in the inner wall connection of supervisor 2
Along 44 in pipe, hinders back flow plate 41 and hinge 43 and be fixed in pipe along 44 by fixed screw 42, make entire back-flow preventer 4
It is more firm inside supervisor 2, and 6 inside water pressure of branch pipe is excessive in order to prevent causes overflow, in the annular of resistance back flow plate 41
Edge is connected to resistance reflux pad 45, to make hydraulic pressure compressing resistance reflux pad 45, it is made firmly to seal resistance back flow plate 41 and pipe
The interior gap between 44, enables the leakproofness of back-flow preventer 4 to guarantee.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of anti-return three-way connection, including branch pipe (6) and supervisor (2), it is characterised in that: the right end of the branch pipe (6) is set
It is equipped with supervisor (2), the left side of the supervisor (2) is connected to the right end of branch pipe (6), the top of the branch pipe (6) by integral mould
End cap is connected to casing (1), and the upper casing (1) is socketed at the top end surface of branch pipe (6) by integral mould, the branch pipe
(6) bottom end is socketed with setting of casing (5), and the setting of casing (5) is socketed at the bottom end surface of branch pipe (6) by integral mould,
The right end of the supervisor (2) is socketed with main casing (3), and the main casing (3) is same to be socketed in supervisor's (2) by integral mould
Right end face, the main casing (3) are internally provided with screwed pipe (7), and the main casing (3) is connected to main casing by glue connection
(3) at inner wall, the supervisor (2) is internally provided with back-flow preventer (4) positioned at supervisor (2) with branch pipe (6) intersection.
2. a kind of anti-return three-way connection according to claim 1, it is characterised in that: the back-flow preventer (4) includes
Hinder back flow plate (41), fixed screw (42), hinge (43), the interior edge (44) of pipe and resistance reflux pad (45), supervisor (2) and the branch pipe
(6) intersection is located at the inner wall of supervisor (2) to be provided in pipe along (44), the pipe and connect along (44) by the way that integral mould is fixed
It connects at the inner wall of supervisor (2), the top end in the pipe along (44) is provided with hinge (43), and the surface of the hinge (43) is set
It is equipped with fixed screw (42), one end of the hinge (43) is fixedly connected on the table in pipe along (44) by fixed screw (42)
The other end in face, the hinge (43) is fixedly connected on the resistance back flow plate being socketed inside (44) in pipe by fixed screw (42)
(41) surface hinders and is connected with resistance reflux pad (45) by glue connection at the ring edge of back flow plate (41).
3. a kind of anti-return three-way connection according to claim 2, it is characterised in that: resistance reflux pad (45) setting exists
Branch pipe (6) and supervisor (2) intersection are close to this end of branch pipe (6).
4. a kind of anti-return three-way connection according to claim 2, it is characterised in that: the maximum of the resistance reflux pad (45)
Diameter is greater than in pipe along (44) inner diameter, and the outer wall that the maximum gauge of the resistance reflux pad (45) is less than in pipe along (44) is straight
Diameter.
5. a kind of anti-return three-way connection according to claim 2, it is characterised in that: the resistance back flow plate (41) can pass through
Hinge (43) is flexibly connected in pipe along (44), and the maximum activity radius for hindering back flow plate (41) is 60 degree.
6. a kind of anti-return three-way connection according to claim 1, it is characterised in that: the inner wall of the screwed pipe (7) is set
It is equipped with uniform screw thread, the screw thread of screwed pipe (7) inner wall can be by being rotatably connected in connecting pipe, the screw thread
Pipe (7) can be fixed when being rotated clockwise, and the screwed pipe (7) can be detached from when rotating counterclockwise consolidates connecting pipe
It is fixed.
7. a kind of anti-return three-way connection according to claim 1, it is characterised in that: the upper casing (1) and setting of casing
(5) size, specification is all the same, and the internal diameter and outer diameter of the setting of casing (5) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344853.7U CN209278696U (en) | 2018-08-21 | 2018-08-21 | A kind of anti-return three-way connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344853.7U CN209278696U (en) | 2018-08-21 | 2018-08-21 | A kind of anti-return three-way connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278696U true CN209278696U (en) | 2019-08-20 |
Family
ID=67598600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821344853.7U Expired - Fee Related CN209278696U (en) | 2018-08-21 | 2018-08-21 | A kind of anti-return three-way connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278696U (en) |
Cited By (1)
| 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 |
-
2018
- 2018-08-21 CN CN201821344853.7U patent/CN209278696U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| 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 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20210821 |