CN212742795U - Drainage pipeline prevents flowing backward device - Google Patents
Drainage pipeline prevents flowing backward device Download PDFInfo
- Publication number
- CN212742795U CN212742795U CN202021217010.8U CN202021217010U CN212742795U CN 212742795 U CN212742795 U CN 212742795U CN 202021217010 U CN202021217010 U CN 202021217010U CN 212742795 U CN212742795 U CN 212742795U
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- China
- Prior art keywords
- connecting pipe
- cavity
- pipe
- water
- drainpipe
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 230000003405 preventing effect Effects 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 230000000903 blocking effect Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model relates to a drainage pipe prevents flowing backward device, including setting up the subassembly of flowing backward that prevents in the body, the body is vertical setting, prevent flowing backward the subassembly including vertical setting up the connecting pipe in the body, set up the lower part position in the connecting pipe and be cylindric installation cavity, set up the upper portion position in the connecting pipe and be the cavity of round platform form, set up the elastic component in the cavity and set up in the elastic component top and the manger plate ball that agrees with mutually with the cavity, the cavity runs through the connecting pipe upper end, narrow width down on the cavity, the installation cavity runs through the lower tip of connecting pipe, cavity and installation cavity intercommunication, the elastic component is compression state, the top and the laminating of cavity inside wall in the manger plate ball outside, the diameter of manger plate ball is less than the diameter of installation. The utility model discloses can play the effect of preventing flowing backward to the body.
Description
Technical Field
The utility model belongs to the technical field of drainage pipe, especially, relate to a drainage pipe prevents flowing backward device.
Background
The drainage pipeline is a system consisting of a pipe duct for collecting and discharging sewage, wastewater and rainwater and accessory facilities thereof. Including main pipes, branch pipes, and piping to a process plant. The sewer is a common type of drainage pipe, and the sewer system is used for collecting and discharging domestic wastewater generated in cities and industrial wastewater generated in industrial production.
In rainy season, the water level of rivers can be greatly improved due to overlarge rainfall, rainwater can flow backwards in a sewer pipeline arranged on the roadside, the existing pipeline generally flows in two directions, namely, substances discharged from an outlet of the pipeline can flow backwards into the pipeline, and sewage, waste gas and the like can be discharged from the outlet of a drain pipe and flow backwards into the drain pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drainage pipe prevents flowing backward device, can play the effect of preventing flowing backward to the body not enough to prior art exists.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a drainage pipe prevents flowing backward device, is including setting up the subassembly that prevents flowing backward in the body, the body is vertical setting, prevent flowing backward the subassembly including vertical set up in connecting pipe in the body, set up in lower part position in the connecting pipe just is cylindric installation cavity, set up in upper portion position in the connecting pipe just is the cavity of round platform form, set up in elastic component in the cavity and set up in elastic component top and the manger plate ball that agrees with mutually with the cavity, the cavity runs through connecting pipe upper end, narrow under the cavity, the installation cavity runs through the tip under the connecting pipe, the cavity with the installation cavity intercommunication, the elastic component is compression state, the top in the manger plate ball outside with the laminating of cavity inside wall, the diameter of manger plate ball is less than the diameter of installation cavity.
Through adopting above-mentioned technical scheme, when needs carry out the drainage through the body, pour water into the body through the last nozzle of body in, when being located the water of a constant volume in the body on the connecting pipe, because hydraulic existence, rivers can compress the elastic component, the manger plate ball is down pressed, make the manger plate ball keep away from the cavity lateral wall, and make and produce the space that supplies water stream to flow away between manger plate ball and the cavity lateral wall, when rivers flow backward, because the elastic component is compression state, the elastic component can upwards push away the manger plate ball, make the manger plate ball can seal the cavity, thereby prevent that rivers from flowing backward.
The utility model discloses further set up to: the elastic piece is a spring, an annular stop block is arranged at the lower end of the connecting pipe, the annular stop block extends along the circumferential direction of the lower end of the connecting pipe, the spring is located between the annular stop block and the water blocking ball, and two ends of the spring are respectively connected with the annular stop block and the water blocking ball.
Through adopting above-mentioned technical scheme, when being located the body on the connecting pipe when there is the water of certain volume, under the oppression of rivers, the spring is extruded to make manger plate ball keep away from the cavity inner wall, and the spring occupies the less volume of installation cavity, guarantee that rivers can be smooth through in the installation cavity flow direction pipe body, the installation of the spring of being convenient for of setting up of annular dog.
The utility model discloses further set up to: the connecting pipe lateral wall with the laminating of body inside wall, the ring channel has been seted up to the connecting pipe lateral wall, the ring channel is followed connecting pipe lateral wall circumference extends, be provided with the sealing washer in the ring channel, the sealing washer with the sealed cooperation of body inside wall.
Through adopting above-mentioned technical scheme, the setting of ring channel is convenient for the installation of sealing washer, and the setting of sealing washer can improve the leakproofness between connecting pipe lateral wall and the body inside wall, and when the rainwater submergence installation cavity of connecting pipe below, the gap process between connecting pipe lateral wall and the body inside wall is difficult followed to the rainwater.
The utility model discloses further set up to: the pipe body is communicated with a water outlet pipe at the position below the connecting pipe, and the water outlet pipe is provided with a valve for controlling the opening and closing of the water outlet pipe.
Through adopting above-mentioned technical scheme, when the rainwater submergence installation cavity of connecting pipe below, can open the valve for rainwater in the body can discharge through the outlet pipe, thereby slows down the backward flow phenomenon of rainwater.
The utility model discloses further set up to: the connecting pipe and the pipe body are detachably connected, the connecting pipe penetrates through the pipe body in a sliding mode, a connecting ring is arranged at the upper end of the connecting pipe, the connecting ring extends along the circumferential direction of the upper end of the connecting pipe, and the pipe body and the connecting ring are fixed through a connecting piece.
Through adopting above-mentioned technical scheme, when taking place to block up in the connecting pipe, pull down the connecting piece, take out the connecting pipe from the body to the inside clearance of connecting pipe, thereby the clearance of the connecting pipe of being convenient for.
The utility model discloses further set up to: the connecting piece comprises a plurality of first screws, the first screws penetrate through the pipe body and the connecting ring in a threaded mode, the first screws are located on the outer side of the pipe body, and the connecting ring and the pipe body are fixed through the first screws.
Through adopting above-mentioned technical scheme, when the connecting pipe is pulled down to needs, unscrew first screw, can follow and take out the connecting pipe in the body.
The utility model discloses further set up to: the annular stop block is detachably connected with the connecting pipe, a plurality of second screws penetrate through the lower end part of the annular stop block in a threaded mode, and the annular stop block is fixed with the connecting pipe through the second screws.
Through adopting above-mentioned technical scheme, through setting up the second screw, realize the detachable of annular dog and connecting pipe and be connected, when the installation cavity took place to block up, can take out the connecting pipe earlier, then pull down annular dog to clear up the installation cavity.
The utility model discloses further set up to: the water blocking ball is arranged in a hollow manner.
Through adopting above-mentioned technical scheme for the manger plate ball possesses certain buoyancy, and when the rainwater submergence installation cavity of connecting pipe below, the manger plate ball can the come-up under the buoyancy effect, makes the laminating cavity lateral wall that the manger plate ball can be inseparabler, and further improvement prevents flowing backward the effect.
To sum up, the utility model discloses a beneficial technological effect does:
1. when water needs to be drained through the pipe body, water is poured into the pipe body through the upper pipe orifice of the pipe body, when a certain volume of water exists in the pipe body on the connecting pipe, due to the existence of water pressure, the water flow can compress the elastic piece, the water blocking ball is pressed downwards, the water blocking ball is far away from the side wall of the cavity, a space for water flow to flow away is formed between the water blocking ball and the side wall of the cavity, and when the water flows backwards, the elastic piece can push the water blocking ball upwards due to the compression state of the elastic piece, so that the water blocking ball can seal the cavity, and the water flow is prevented from flowing backwards;
2. the sealing ring can improve the sealing property between the outer side wall of the connecting pipe and the inner side wall of the pipe body, and when the mounting cavity is immersed by rainwater below the connecting pipe, rainwater cannot easily pass through a gap between the outer side wall of the connecting pipe and the inner side wall of the pipe body; the water blocking ball has certain buoyancy, and when the rainwater submergence installation cavity of connecting pipe below, the water blocking ball can come up under the buoyancy for the laminating cavity lateral wall that the water blocking ball can be inseparabler, further improves and prevents flowing backward the effect.
Drawings
FIG. 1 is a schematic view of a backflow prevention device of a drainage pipeline;
FIG. 2 is a schematic view of the connecting pipe of the backflow preventing device of the drainage pipeline.
In the figure, 1, a tube body; 2. a connecting pipe; 3. a mounting cavity; 4. a cavity; 5. an annular stop block; 6. a water blocking ball; 7. a spring; 8. an annular groove; 9. a seal ring; 10. a connecting ring; 11. a first screw; 12. a second screw; 13. a water outlet pipe; 14. and (4) a valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a drainage pipe prevents flowing backward device, including preventing flowing backward the subassembly, prevent flowing backward the subassembly and set up in body 1, body 1 is vertical setting.
Referring to fig. 2, prevent flowing backward the subassembly and include connecting pipe 2, installation cavity 3 and cavity 4, connecting pipe 2 demountable installation in body 1, the length of connecting pipe 2 is less than the length of body 1, the laminating of 2 lateral walls of connecting pipe and 1 inside walls of body. Cavity 4 and installation cavity 3 are all seted up in connecting pipe 2, and upper portion position in connecting pipe 2 is seted up to cavity 4, and cavity 4 is the round platform form of narrow width down, and cavity 4 runs through the upper end of connecting pipe 2. The installation cavity 3 is opened in the lower part position in the connecting pipe 2, and installation cavity 3 is cylindricly, and installation cavity 3 and cavity 4 intercommunication, installation cavity 3 run through the lower tip of connecting pipe 2, and the cross-sectional area of cavity 4 bottom is the same with the cross-sectional area of installation cavity 3. The tip can be dismantled to be connected with annular dog 5 under connecting pipe 2, and annular dog 5 extends along connecting pipe 2 tip circumference to enclose into the round, and the internal diameter of annular dog 5 is less than the internal diameter of installation cavity 3.
The backflow preventing assembly further comprises an elastic piece and a water blocking ball 6, the elastic piece is vertically installed in the installation cavity 3, in the embodiment, the elastic piece is a spring 7, the stretching direction of the spring 7 is the vertical direction, the size of the upper portion of the spring 7 is smaller than that of the lower portion of the spring 7, and the lower end of the spring 7 is connected with the top surface of the annular stop block 5. The water blocking ball 6 is fixed at the upper end part of the spring 7, the water blocking ball 6 is positioned between the cavity 4 and the mounting cavity 3, and the diameter of the water blocking ball 6 is smaller than the inner diameter of the mounting cavity 3 and larger than the inner diameter of the cavity 4 at the top part. The spring 7 is in a compressed state, so that the top of the outer side of the water retaining ball 6 is abutted against the inner side wall of the cavity 4.
When water needs to be drained through the pipe body 1, water is poured into the pipe body 1 through the upper pipe orifice of the pipe body 1, when a certain volume of water exists in the pipe body 1 on the connecting pipe 2, the water retaining ball 6 is pressed downwards under the action of water pressure, so that the spring 7 is compressed, at the moment, the water retaining ball 6 is gradually far away from the side wall of the cavity 4, a space is formed between the water retaining ball 6 and the side wall of the cavity 4, water can flow through the space, and the water above the connecting pipe 2 can flow below the connecting pipe 2; when water flows backward, the water retaining ball 6 can seal the cavity 4 under the action of the elastic force of the spring 7, and the flowing water cannot pass through the connecting pipe 2, so that the backflow preventing effect is achieved.
In order to further improve and prevent flowing backward the effect, manger plate ball 6 is the cavity setting for manger plate ball 6 possesses certain buoyancy, and when rainwater submergence installation cavity 3 of connecting pipe 2 below, manger plate ball 6 come-up under the buoyancy of self, make manger plate ball 6 can be inseparabler and cavity 4 lateral walls butt, thereby improve and prevent flowing backward the effect.
The annular groove 8 has been seted up to the lower part position of 2 lateral walls of connecting pipe, and annular groove 8 extends along 2 lateral walls of connecting pipe circumference to enclose into the round, install sealing washer 9 in the annular groove 8, and sealing washer 9 and the sealed cooperation of 1 inside wall of body. In the present embodiment, the seal ring 9 is made of a rubber material. The setting of sealing washer 9 can improve the leakproofness between 1 inside wall of body and the 2 lateral walls of connecting pipe, can further improve and prevent flowing backward the effect.
For realizing the detachable installation of connecting pipe 2, connecting pipe 2 slidable mounting is in body 1, and the peripheral position of 2 upper ends of connecting pipe is fixed with go-between 10, and go-between 10 extends along 2 upper end circumference of connecting pipe, and the go-between 10 outside is laminated with the corresponding position of 1 inside wall of body, and fixes through the connecting piece between body 1 and the go-between 10. The connecting piece includes four groups of first screws 11, and four groups of first screws 11 circumference are arranged in the body 1 outside, and body 1 and go-between 10 are worn to locate by first screw 11 screw thread, and first screw 11 is the level setting. When taking place to block up in connecting pipe 2, pull down first screw 11, can follow and take out connecting pipe 2 in the body 1, be convenient for clear up connecting pipe 2.
In order to realize the detachable installation of the annular stop block 5, four groups of second screws 12 are arranged at the lower end of the annular stop block 5 in a penetrating manner, the second screws 12 are vertically arranged, the second screws 12 are arranged at the lower end of the connecting pipe 2 in a penetrating manner, the four groups of second screws 12 are circumferentially arranged at the lower end of the annular stop block 5, and the annular stop block 5 and the connecting pipe 2 are fixed through the four groups of second screws 12. When taking place to block up in installation cavity 3, take out connecting pipe 2 from body 1 earlier, then pull down annular dog 5, be convenient for clear up installation cavity 3.
Referring to fig. 1, a water outlet pipe 13 is fixed on the outer side of a pipe body 1, the inside of the water outlet pipe 13 is communicated with the inside of the pipe body 1, a pipe orifice of the water outlet pipe 13 is positioned below a connecting pipe 2, one end, away from the pipe body 1, of the water outlet pipe 13 is communicated with the outside, a valve 14 is installed at the water outlet pipe 13, and the valve 14 can control the opening and closing of the inside of the water outlet; when the backflow phenomenon occurs, the valve 14 can be opened, and water in the pipe body 1 is discharged to the external environment through the water outlet pipe 13, so that the backflow phenomenon of the pipe body 1 is relieved.
The implementation principle of the implementation is as follows: when water needs to be drained through the pipe body 1, water is poured into the pipe body 1 through the upper pipe orifice of the pipe body 1, when a certain volume of water exists in the pipe body 1 on the connecting pipe 2, the water retaining ball 6 is pressed downwards under the action of water pressure, so that the spring 7 is compressed, at the moment, the water retaining ball 6 is gradually far away from the side wall of the cavity 4, a space is formed between the water retaining ball 6 and the side wall of the cavity 4, water can flow through the space, and the water above the connecting pipe 2 can flow below the connecting pipe 2; when water flows backward, the water blocking ball 6 can seal the cavity 4 under the elastic force action of the spring 7 and the buoyancy action of the water blocking ball 6, so that the flowing water cannot pass through the connecting pipe 2, and the backward flowing prevention effect is achieved; when taking place to block up in installation cavity 3, take out connecting pipe 2 from body 1 earlier, then pull down annular dog 5 to clear up installation cavity 3.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a drainage pipe anti-backflow device which characterized in that: the backflow prevention device comprises a backflow prevention assembly arranged in a pipe body (1), wherein the pipe body (1) is vertically arranged, the backflow prevention assembly comprises a connecting pipe (2) vertically arranged in the pipe body (1), a cylindrical installation cavity (3) arranged at the lower part of the connecting pipe (2), a cavity (4) which is arranged at the upper part of the connecting pipe (2) and is in a round table shape, an elastic piece arranged in the cavity (4) and a water blocking ball (6) arranged at the top of the elastic piece and matched with the cavity (4), the cavity (4) penetrates through the upper end part of the connecting pipe (2), the cavity (4) is narrow at the top and wide at the bottom, the installation cavity (3) penetrates through the lower end part of the connecting pipe (2), the cavity (4) is communicated with the installation cavity (3), the elastic piece is in a compressed state, the top of the outer side of the water blocking ball (6) is attached to the inner side wall of the cavity (4), the diameter of the water blocking ball (6) is smaller than that of the installation cavity (3).
2. The drainpipe backflow preventing device of claim 1, wherein: the elastic piece is a spring (7), an annular stop block (5) is arranged at the lower end of the connecting pipe (2), the annular stop block (5) extends along the circumferential direction of the lower end of the connecting pipe (2), the spring (7) is located between the annular stop block (5) and the water blocking ball (6), and two ends of the spring (7) are respectively connected with the annular stop block (5) and the water blocking ball (6).
3. The drainpipe backflow preventing device of claim 1, wherein: connecting pipe (2) lateral wall with the laminating of body (1) inside wall, ring channel (8) have been seted up to connecting pipe (2) lateral wall, ring channel (8) are followed connecting pipe (2) lateral wall circumference extends, be provided with sealing washer (9) in ring channel (8), sealing washer (9) with the sealed cooperation of body (1) inside wall.
4. The drainpipe backflow preventing device of claim 1, wherein: the pipe body (1) is communicated with a water outlet pipe (13) at the position below the connecting pipe (2), and the water outlet pipe (13) is provided with a valve (14) for controlling the opening and closing of the water outlet pipe.
5. The drainpipe backflow preventing device of claim 1, wherein: connecting pipe (2) with body (1) can be dismantled the connection, connecting pipe (2) slide and wear to locate in body (1), connecting pipe (2) upper end is provided with go-between (10), go-between (10) are followed connecting pipe (2) upper end circumference extends, body (1) with fix through the connecting piece between go-between (10).
6. The drainpipe backflow preventing device of claim 5, wherein: the connecting piece comprises a plurality of first screws (11), the first screws (11) are arranged in the pipe body (1) and the connecting ring (10) in a threaded mode, the first screws (11) are located on the outer side of the pipe body (1), and the connecting ring (10) and the pipe body (1) are fixed through the first screws (11).
7. The drainpipe backflow preventing device of claim 2, wherein: annular dog (5) with connecting pipe (2) can be dismantled and be connected, a plurality of second screws (12) are worn to be equipped with by tip screw thread under annular dog (5), annular dog (5) with pass through between connecting pipe (2) second screw (12) are fixed.
8. The drainpipe backflow preventing device of claim 1, wherein: the water blocking ball (6) is arranged in a hollow manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217010.8U CN212742795U (en) | 2020-06-28 | 2020-06-28 | Drainage pipeline prevents flowing backward device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217010.8U CN212742795U (en) | 2020-06-28 | 2020-06-28 | Drainage pipeline prevents flowing backward device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212742795U true CN212742795U (en) | 2021-03-19 |
Family
ID=75011262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021217010.8U Expired - Fee Related CN212742795U (en) | 2020-06-28 | 2020-06-28 | Drainage pipeline prevents flowing backward device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212742795U (en) |
-
2020
- 2020-06-28 CN CN202021217010.8U patent/CN212742795U/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: 20210319 |