CN211875185U - Anti-return pipeline for water conservancy building - Google Patents
Anti-return pipeline for water conservancy building Download PDFInfo
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- CN211875185U CN211875185U CN202020175208.8U CN202020175208U CN211875185U CN 211875185 U CN211875185 U CN 211875185U CN 202020175208 U CN202020175208 U CN 202020175208U CN 211875185 U CN211875185 U CN 211875185U
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Abstract
The utility model belongs to the technical field of the building pipeline, especially, pipeline for water conservancy building of anti-return, which comprises a pipe body, the middle part joint of body has the connecting block, be provided with the cavity on the connecting block, sliding connection has traveller and piston post in the cavity, the outside of traveller and the outside of piston post are connected with the inner wall sliding seal of cavity, the traveller is located the top of piston post, the bottom of traveller and the same root spring of top fixedly connected with of piston post, the top side threaded connection of connecting block has the screw rod, the top fixedly connected with depression bar of traveller, the top of depression bar and the bottom activity butt of screw rod, the both sides of connecting block all are provided with the recess, and two recesses all are linked together with the body, the bottom side that lies in left recess and piston post in two. The utility model has the advantages of reasonable design, through the degree of depth of adjusting screw in connecting block, the pressure threshold value of just liquid circulation in the adjustable pipeline effectively prevents the fluid phenomenon against the current.
Description
Technical Field
The utility model relates to a building pipeline technical field especially relates to a water conservancy pipeline for building of anti-return.
Background
In water conservancy construction, the water pipe is essential part, and the water pipe is important instrument such as water delivery, drainage and flood discharge, therefore the water pipe uses extremely extensively in water conservancy construction. For example, chinese patent that the grant bulletin number is CN207297987U discloses a water conservancy building pipeline of anti-return, including the body, the middle part joint of body has annular connecting block, and the equal threaded connection in top and the bottom of annular connecting block has first bolt, and one side welding that the body was kept away from to annular connecting block has the valve body, and cavity and last cavity have been seted up respectively down to the inner chamber of valve body, and separate each other through the disk seat between cavity and the last cavity down. Water flows into from the body left side, then through the water inlet inflow valve body, along with the accumulation of cavity internal water under the entering, the pressure of cavity is crescent down, thereby form the extrusion to the valve clack, finally make the expanding spring receive the compression, thereby with valve clack top-open, water gets into in the epicoele, then discharge through the delivery port, when the water backward flow in the body, water on the backward flow and get into in the water outlet, and then in flowing into the cavity, the internal water of epicoele forms pressure to the valve clack, make the valve clack move down, thereby will go up the passageway between cavity and the lower cavity and close, thereby prevent backward flow phenomenon.
However, the existing building pipeline is easy to generate a reverse flow phenomenon, and the pressure threshold value of liquid flowing in the pipeline cannot be adjusted according to the actual terrain, so that an improved design is needed, and therefore, a backflow-preventing pipeline for the water conservancy building is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a backflow-preventing pipeline for water conservancy buildings.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a water conservancy pipeline for building of anti-return, includes the body, the middle part joint of body has the connecting block, be provided with the cavity on the connecting block, sliding connection has traveller and piston post in the cavity, the outside of traveller and the outside of piston post are connected with the inner wall sliding seal of cavity, the traveller is located the top of piston post, the bottom of traveller and the same spring of top fixedly connected with of piston post, the top side threaded connection of connecting block has the screw rod, the top fixedly connected with depression bar of traveller, the top of depression bar and the bottom activity butt of screw rod, the both sides of connecting block all are provided with the recess, and two recesses all are linked together with the body, and the bottom side that lies in left recess and piston post in two recesses is linked together, and the recess that lies in the right side is linked together with the outside of.
Preferably, the outer side of the sliding column and the outer side of the piston column are fixedly sleeved with sealing rings, the outer sides of the sealing rings are connected with the inner wall of the cavity in a sliding and sealing mode, and the sealing performance between the cavity and the sliding column and between the cavity and the piston column is improved.
Preferably, the two sides of the connecting block are provided with flange plates, and the pipe body is fixedly connected to the flange plates through bolts and is conveniently butted to the connecting block.
Preferably, a threaded hole is formed in the top side of the connecting block, and the screw is connected in the threaded hole in a threaded mode, so that the screw can be conveniently screwed into the connecting block.
Preferably, a support rod is fixedly connected to the inner wall of the bottom side of the cavity, and the bottom end of the piston column is movably abutted against the top end of the support rod to limit the lowest position of the piston column.
The backflow-preventing water conservancy building pipeline provided by the utility model has the advantages that by rotating the screw rod, the screw rod rotates in the threaded hole and moves downwards, so that the screw rod pushes the pressure rod and the sliding column downwards to slide downwards in the cavity, the spring is extruded downwards when the sliding column descends, the spring is extruded to be in a compressed state, the elastic force of the spring applies downward pressure to the piston column, and the piston column is tightly abutted against the support rod;
the backflow-preventing water conservancy building pipeline provided by the utility model has the advantages that when fluid passes through the left end of the pipe body, the piston column can be gradually jacked upwards by the pressure difference formed between the left side and the right side of the pipe body, so that the piston column upwards extrudes the spring, the piston column gradually slides through the opening of the groove on the right side, the fluid can gradually flow from the left end to the right end, and the pressing force of the piston column can be adjusted by adjusting the screwing-in depth of the screw rod;
the utility model has the advantages of reasonable design, through the degree of depth of adjusting screw in connecting block, the pressure threshold value of just liquid circulation in the adjustable pipeline effectively prevents the fluid phenomenon against the current.
Drawings
Fig. 1 is a schematic structural view of a backflow-preventing water conservancy building pipeline provided by the utility model;
fig. 2 is the utility model provides a backflow-preventing's water conservancy building is with part A's schematic structure.
In the figure: 1. a pipe body; 2. connecting blocks; 3. a cavity; 4. a traveler; 5. a piston post; 6. a spring; 7. sealing a ring; 8. a screw; 9. a pressure lever; 10. a threaded hole; 11. a groove; 12. a support bar; 13. a flange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a backflow-preventing water conservancy building pipeline comprises a pipe body 1, a connecting block 2 is clamped in the middle of the pipe body 1, a cavity 3 is arranged on the connecting block 2, a sliding column 4 and a piston column 5 are slidably connected in the cavity 3, the outer side of the sliding column 4 and the outer side of the piston column 5 are slidably and hermetically connected with the inner wall of the cavity 3, the sliding column 4 is positioned above the piston column 5, the bottom end of the sliding column 4 and the top end of the piston column 5 are fixedly connected with a same spring 6, a screw 8 is in threaded connection with the top side of the connecting block 2, a pressure lever 9 is fixedly connected with the top end of the sliding column 4, the top end of the pressure lever 9 is movably abutted against the bottom end of the screw 8, and two grooves 11 are communicated with the pipe body 1, the groove 11 positioned on the left side of the two grooves 11 is communicated with the bottom side of the piston column 5, and the groove 11 positioned on the right side is communicated with the outer side of the piston column 5.
The utility model discloses in, the outside of traveller 4 and the outside of piston post 5 are all fixed the sealing washer 7 of having cup jointed, and the outside of sealing washer 7 is connected with the inner wall sliding seal of cavity 3, improve in the cavity 3 with traveller 4, the leakproofness between the piston post 5.
The utility model discloses in, the both sides of connecting block 2 all are provided with ring flange 13, and body 1 passes through bolt fixed connection on ring flange 13, conveniently docks on connecting block 2.
The utility model discloses in, threaded hole 10 is seted up to the top side of connecting block 2, and 8 threaded connection of screw rod are in threaded hole 10, and the convenience is with in 8 screw in connecting blocks 2 of screw rod.
The utility model discloses in, fixedly connected with bracing piece 12 on the bottom side inner wall of cavity 3, the bottom of piston post 5 and the top activity butt of bracing piece 12 for the extreme lower position of restriction piston post 5.
The utility model discloses in, when using, rotating screw rod 8, screw rod 8 is at 10 internal rotations of screw hole and downstream, make screw rod 8 promote depression bar 9 and traveller 4 lapse in cavity 3 downwards, traveller 4 extrudees spring 6 downwards when descending, make spring 6 extruded to compression state, spring 6's elasticity applys decurrent pressure to piston post 5, make the inseparable butt of piston post 5 on bracing piece 12, when there is the fluid to pass through at the left end of body 1, the left side of body 1 and the pressure differential that the right side formed alright with piston post 5 jack-up gradually, make piston post 5 upwards extrude spring 6, piston post 5 slides gradually the opening part that is located the recess 11 on right side, fluid alright follow left end flow to right-hand member gradually, screw in degree of depth through adjusting screw rod 8, alright regulation piston post 5's pressfitting dynamics.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Claims (5)
1. The utility model provides a water conservancy pipeline for building of anti-return, includes body (1), the middle part joint of body (1) has connecting block (2), be provided with cavity (3) on connecting block (2), its characterized in that, sliding connection has traveller (4) and piston post (5) in cavity (3), the outside of traveller (4) and the outside of piston post (5) and the inner wall sliding seal of cavity (3) are connected, traveller (4) are located the top of piston post (5), the bottom of traveller (4) and the top fixedly connected with same spring (6) of piston post (5), the top side threaded connection of connecting block (2) has screw rod (8), the top fixedly connected with depression bar (9) of traveller (4), the top of depression bar (9) and the bottom activity butt of screw rod (8), the both sides of connecting block (2) all are provided with recess (11), and the two grooves (11) are communicated with the pipe body (1), the groove (11) positioned on the left side of the two grooves (11) is communicated with the bottom side of the piston column (5), and the groove (11) positioned on the right side is communicated with the outer side of the piston column (5).
2. The backflow-preventing water conservancy building pipeline according to claim 1, characterized in that the outer side of the sliding column (4) and the outer side of the piston column (5) are both fixedly sleeved with a sealing ring (7), and the outer side of the sealing ring (7) is connected with the inner wall of the cavity (3) in a sliding and sealing manner.
3. The backflow-preventing water conservancy building pipeline according to claim 1, characterized in that flanges (13) are arranged on two sides of the connecting block (2), and the pipe body (1) is fixedly connected to the flanges (13) through bolts.
4. The backflow-preventing water conservancy building pipeline according to claim 1, characterized in that a threaded hole (10) is formed in the top side of the connecting block (2), and the screw rod (8) is in threaded connection with the threaded hole (10).
5. The backflow-preventing water conservancy building pipeline according to claim 1, wherein a supporting rod (12) is fixedly connected to the inner wall of the bottom side of the cavity (3), and the bottom end of the piston column (5) is movably abutted to the top end of the supporting rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175208.8U CN211875185U (en) | 2020-02-17 | 2020-02-17 | Anti-return pipeline for water conservancy building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175208.8U CN211875185U (en) | 2020-02-17 | 2020-02-17 | Anti-return pipeline for water conservancy building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875185U true CN211875185U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175208.8U Active CN211875185U (en) | 2020-02-17 | 2020-02-17 | Anti-return pipeline for water conservancy building |
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| Country | Link |
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| CN (1) | CN211875185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448394A (en) * | 2022-10-10 | 2022-12-09 | 罗春和 | Sewage treatment equipment and method for changing purification degree by sewage flow velocity |
-
2020
- 2020-02-17 CN CN202020175208.8U patent/CN211875185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115448394A (en) * | 2022-10-10 | 2022-12-09 | 罗春和 | Sewage treatment equipment and method for changing purification degree by sewage flow velocity |
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