CN220101619U - Anti-countercurrent drainage pump - Google Patents
Anti-countercurrent drainage pump Download PDFInfo
- Publication number
- CN220101619U CN220101619U CN202321724389.5U CN202321724389U CN220101619U CN 220101619 U CN220101619 U CN 220101619U CN 202321724389 U CN202321724389 U CN 202321724389U CN 220101619 U CN220101619 U CN 220101619U
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- Prior art keywords
- drainage
- arc
- outlet
- cavity
- slide rail
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000005192 partition Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000151 anti-reflux effect Effects 0.000 claims 8
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an anti-backflow drainage pump, which comprises a drainage cavity, an impeller arranged in the drainage cavity, and a first drainage outlet and a second drainage outlet which are communicated with the drainage cavity; an arc-shaped stop block is arranged between the first drainage outlet and the second drainage outlet, a first side wall and a second side wall corresponding to the first drainage outlet and the second drainage outlet are respectively arranged on two sides of the arc-shaped stop block, the impeller rotates, and under the pushing of water flow, the arc-shaped stop block moves along the inner wall surface of the drainage cavity in an arc manner, so that the arc-shaped stop block moves towards the first drainage outlet and stops the drainage of the first drainage outlet, or the arc-shaped stop block moves towards the second drainage outlet and stops the drainage of the second drainage outlet. The anti-backflow drainage pump can effectively prevent the first drainage outlet and the second drainage outlet from flowing reversely and discharging water at the same time.
Description
Technical Field
The utility model relates to an anti-backflow drainage pump, and belongs to the technical field of drainage pumps.
Background
The current drain pump structure, it includes the inlet chamber, the drainage chamber, with the inlet tube of inlet chamber intercommunication, with the first drainage export and the second drainage export of drainage chamber intercommunication, install in the impeller in the drainage chamber, be located the fixed dog between first drainage export and the second drainage export, this fixed dog has rivers to block the effect, when the purpose water is discharged from first drainage export under the impeller effect, prevent that second drainage export from also countercurrent water simultaneously, in the same way, when water is discharged from second drainage export under the impeller effect, prevent that first drainage export from countercurrent water simultaneously as well. However, in the existing drainage pump structure, since the fixed stop block is not movable, the first drainage outlet and the second drainage outlet are in a fully opened state, and when the drainage lift is reduced to a certain extent, countercurrent flow occurs, that is, the first drainage outlet and the second drainage outlet simultaneously discharge water.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a countercurrent-preventing drainage pump, which is used for preventing countercurrent of a first drainage outlet and a second drainage outlet and simultaneously discharging water.
The technical scheme is as follows: the utility model relates to an anti-backflow drainage pump, which comprises a drainage cavity, an impeller arranged in the drainage cavity, and a first drainage outlet and a second drainage outlet which are communicated with the drainage cavity; an arc-shaped stop block is arranged between the first drainage outlet and the second drainage outlet, a first side wall and a second side wall corresponding to the first drainage outlet and the second drainage outlet are respectively arranged on two sides of the arc-shaped stop block, the impeller rotates, and under the pushing of water flow, the arc-shaped stop block moves along the inner wall surface of the drainage cavity in an arc manner, so that the arc-shaped stop block moves towards the first drainage outlet and stops the drainage of the first drainage outlet, or the arc-shaped stop block moves towards the second drainage outlet and stops the drainage of the second drainage outlet.
The length of a blocking area formed after the arc-shaped stop block moves is not smaller than the radius of the first drainage outlet or the second drainage outlet.
The device also comprises a water inlet cavity, a water inlet pipe communicated with the water inlet cavity and a partition plate arranged between the water inlet cavity and the water outlet cavity; the baffle is provided with water passing holes which are used for communicating the water inlet cavity with the water outlet cavity.
Wherein, be equipped with the arc slide on the baffle, the arc slide is groove structure, and the arc dog has linked firmly the slide rail structure in the longitudinal direction, and in the slide rail structure embedded arc slide, the arc dog passed through slide rail structure lateral shifting in the arc slide.
The length of the arc-shaped slide rail is greater than that of the slide rail structure, the thickness and the width of the slide rail structure are consistent with those of the arc-shaped slide rail, and the height of the slide rail structure is not greater than that of the arc-shaped slide rail.
The circle corresponding to the arc-shaped slideway and the inner circle corresponding to the drainage cavity are arranged in a concentric circle.
The first side wall and the second side wall extend towards the circle center direction of the corresponding circle of the arc-shaped slideway.
Wherein, the sum of the length of the impeller blade and the length of the first side wall is smaller than the radius of the corresponding inner circle of the drainage cavity.
When the impeller rotates anticlockwise to drain water to the first drainage outlet, the water flow pushes the first side wall of the stop block to move towards the second drainage outlet and the second side wall is utilized to stop the second drainage outlet so as to prevent the second drainage outlet from flowing reversely and discharging water at the same time; when the impeller rotates clockwise to drain water to the second drain outlet, the water flow pushes the second side wall of the stop block to move towards the first drain outlet and the first side wall is utilized to stop the first drain outlet so as to prevent the first drain outlet from flowing back and simultaneously discharging water.
The beneficial effects are that: according to the drainage pump, the movable arc-shaped stop block is arranged between the first drainage outlet and the second drainage outlet, so that the first drainage outlet and the second drainage outlet can be effectively prevented from flowing reversely and simultaneously discharging water.
Drawings
FIG. 1 is a schematic diagram of a drain pump according to the present utility model;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1 (shown in a drain state of the first drain outlet);
FIG. 3 is a drainage state of the second drain outlet;
FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 1;
FIG. 5 is an enlarged view of a portion of I of FIG. 4;
FIG. 6 is a schematic view of a block structure;
fig. 7 is a schematic structural view of an arc-shaped slideway arranged on a partition board.
Detailed Description
As shown in fig. 1 to 7, the anti-backflow drainage pump of the present utility model includes a drainage chamber 3, an impeller 8 installed in the drainage chamber 3, and a first drainage outlet 4 and a second drainage outlet 5 communicating with the drainage chamber 3; an arc-shaped stop block 10 is arranged between the first drainage outlet 4 and the second drainage outlet 5; the water inlet device further comprises a water inlet cavity 1, a water inlet pipe 2 communicated with the water inlet cavity 1 and a partition plate 6 arranged between the water inlet cavity 1 and the water outlet cavity 3, wherein water passing holes 7 are formed in the partition plate 6, and the water passing holes 7 are used for communicating the water inlet cavity 1 with the water outlet cavity 3; the two sides of the arc-shaped stop block 10 are respectively provided with a first side wall 11 and a second side wall 12 corresponding to the first drainage outlet 4 and the second drainage outlet 5, the first side wall 11 and the second side wall 12 extend towards the circle center direction of a circle corresponding to the arc-shaped slideway 14, and the sum of the lengths of the blades of the impeller 8 and the lengths of the first side wall 11 is smaller than the radius of the corresponding inner circle of the drainage cavity 3; the impeller 8 rotates, and the arc stopper 10 moves along the inner wall surface of the drainage chamber by the pushing of the water flow, so that the arc stopper 10 moves toward the first drainage outlet 4 and blocks the first drainage outlet 4 from draining water, or so that the arc stopper 10 moves toward the second drainage outlet 5 and blocks the second drainage outlet 5 from draining water. The length of the blocking area formed by the movement of the arc-shaped stop block 10 is larger than the radius of the first drainage outlet 4 or the second drainage outlet 5.
The baffle 6 is provided with an arc slide way 14, the arc slide way 14 is of a groove structure, the arc stop block 10 is fixedly connected with a slide rail structure 13 along the longitudinal direction, the slide rail structure 13 is embedded into the arc slide way 14, and the arc stop block 10 transversely moves in the arc slide way 14 through the slide rail structure 13. The circle corresponding to the arc slide way 14 and the inner circle corresponding to the drainage cavity 3 are arranged in a concentric circle, and a gap is reserved between the arc stop block 10 and the inner wall surface of the drainage cavity 3.
The length of the arc-shaped slideway 14 is greater than that of the slideway structure 13, the thickness and width of the slideway structure 13 are consistent with those of the arc-shaped slideway 14, and the height of the slideway structure 13 is not greater than that of the arc-shaped slideway 14.
When the impeller 8 rotates counterclockwise to drain water to the first drain outlet 4, the water flow pushes the first side wall 11 of the arc stopper 10 to move toward the second drain outlet 5 and blocks the second drain outlet 5 by the second side wall 12 to prevent the second drain outlet 5 from flowing backward while discharging water, and the water discharge amount of the first drain outlet 4 is Q1; when the impeller 8 rotates clockwise to discharge water to the second discharge outlet 5, the water flow pushes the second sidewall 12 of the arc stopper 10 to move toward the first discharge outlet 4 and blocks the first discharge outlet 4 by the first sidewall 11 to prevent the reverse flow of the first discharge outlet 4 while discharging water, and the discharge water of the second discharge outlet 5 is Q2.
Claims (8)
1. An anti-reflux drainage pump, characterized in that: comprises a drainage cavity (3), an impeller (8) arranged in the drainage cavity (3), a first drainage outlet (4) and a second drainage outlet (5) which are communicated with the drainage cavity (3); be equipped with arc dog (10) between first drainage export (4) and second drainage export (5), arc dog (10) both sides are equipped with first lateral wall (11) and second lateral wall (12) corresponding with first drainage export (4) and second drainage export (5) respectively, and impeller (8) rotate, under the promotion of rivers, arc dog (10) are along the internal face of drainage chamber to do the arc and are removed, make arc dog (10) remove and block first drainage export (4) drainage to first drainage export (4), or make arc dog (10) remove and block second drainage export (5) drainage to second drainage export (5).
2. The anti-reflux drain pump according to claim 1, wherein: the length of a blocking area formed after the arc-shaped stop block (10) moves is not smaller than the radius of the first drainage outlet (4) or the second drainage outlet (5).
3. The anti-reflux drain pump according to claim 1, wherein: the water inlet device also comprises a water inlet cavity (1), a water inlet pipe (2) communicated with the water inlet cavity (1) and a partition plate (6) arranged between the water inlet cavity (1) and the water outlet cavity (3); the baffle (6) is provided with a water passing hole (7), and the water passing hole (7) is used for communicating the water inlet cavity (1) with the water outlet cavity (3).
4. The anti-reflux drain pump according to claim 3, wherein: be equipped with arc slide (14) on baffle (6), arc slide (14) are groove structure, and arc dog (10) have linked firmly slide rail structure (13) along vertically, and slide rail structure (13) imbeds in arc slide (14), and arc dog (10) are through slide rail structure (13) lateral shifting in arc slide (14).
5. The anti-reflux drain pump according to claim 4, wherein: the length of the arc-shaped slide rail (14) is greater than that of the slide rail structure (13), the width of the slide rail structure (13) is consistent with that of the arc-shaped slide rail (14), and the height of the slide rail structure (13) is not greater than that of the arc-shaped slide rail (14).
6. The anti-reflux drain pump according to claim 4, wherein: the circle corresponding to the arc-shaped slideway (14) and the inner circle corresponding to the drainage cavity (3) are arranged in a concentric circle.
7. The anti-reflux drain pump according to claim 4, wherein: the first side wall (11) and the second side wall (12) extend towards the circle center direction of the corresponding circle of the arc-shaped slideway (14).
8. The anti-reflux drain pump according to claim 1, wherein: the sum of the lengths of the blades of the impeller (8) and the lengths of the first side walls (11) is smaller than the radius of the corresponding inner circle of the drainage cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724389.5U CN220101619U (en) | 2023-07-03 | 2023-07-03 | Anti-countercurrent drainage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724389.5U CN220101619U (en) | 2023-07-03 | 2023-07-03 | Anti-countercurrent drainage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101619U true CN220101619U (en) | 2023-11-28 |
Family
ID=88881522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321724389.5U Active CN220101619U (en) | 2023-07-03 | 2023-07-03 | Anti-countercurrent drainage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101619U (en) |
-
2023
- 2023-07-03 CN CN202321724389.5U patent/CN220101619U/en active Active
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