CN213204335U - Overflow pipe - Google Patents
Overflow pipe Download PDFInfo
- Publication number
- CN213204335U CN213204335U CN202021368849.1U CN202021368849U CN213204335U CN 213204335 U CN213204335 U CN 213204335U CN 202021368849 U CN202021368849 U CN 202021368849U CN 213204335 U CN213204335 U CN 213204335U
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- overflow
- hole
- valve core
- sealing valve
- pipe
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Abstract
The utility model discloses an overflow pipe, which comprises an overflow pipe body and an overflow valve arranged in the overflow pipe body, wherein an overflow hole which penetrates up and down is arranged in the overflow pipe body; the overflow valve comprises a return spring and a sealing valve core for opening and closing the overflow hole; the sealing valve core can be matched in the overflow pipe body in a vertically moving mode; when the sealing valve core moves upwards, the sealing valve core contacts the overflow hole to close the overflow hole; when the sealing valve core moves downwards, the sealing valve core is separated from the contact with the overflow hole to open the overflow hole; the return spring is matched in the overflow pipe body and applies upward acting force to the sealing valve core. The utility model discloses an overflow valve can avoid the air in the water tank to sneak into the drainage channel of stool pot from the overflow pipe in and influence drainage channel's drainage rate.
Description
Technical Field
The utility model relates to a bathroom field especially indicates an overflow pipe.
Background
In the prior art, an overflow pipe is installed in a water tank of a toilet (such as a toilet bowl and a squatting pan) to discharge water through the overflow pipe when the overflow is emitted in the water tank, wherein the overflow pipe is generally fixed on an overflow interface of a base of a drain valve in the water tank, the base of the drain valve is fixed on a water inlet port of a drain channel, and the overflow interface on the base is communicated with the drain channel, or the overflow pipe is directly fixed on the inner wall of the water tank and is directly communicated with the drain channel, so that when water in the water tank is higher than the upper end of the overflow pipe, the water flows to the drain channel from the overflow pipe. But current overflow pipe is simple hollow tube structure only, when the drain valve is opened and is carried out the drainage like this, because the air in overflow pipe continuous water tank, when water in the water tank is discharged from drainage channel through the drain valve, can produce local negative pressure and make the air in the water tank inhale the drainage channel in through the overflow pipe for drainage channel's partial drainage space is taken up by the air, makes drainage channel's the speed of discharging reduce, makes the scouring force of rivers reduce, influences the washing clean effect of closestool greatly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an overflow pipe, it can avoid the air in the water tank to sneak into the drainage channel of stool pot from the overflow pipe and influence drainage channel's drainage speed.
In order to achieve the above purpose, the solution of the present invention is:
an overflow pipe comprises an overflow pipe body and an overflow valve arranged in the overflow pipe body; an overflow hole which penetrates through the overflow pipe body up and down is formed in the overflow pipe body; the overflow valve comprises a return spring and a sealing valve core for opening and closing the overflow hole; the sealing valve core can be matched in the overflow pipe body in a vertically moving mode; when the sealing valve core moves upwards, the sealing valve core contacts the overflow hole to close the overflow hole; when the sealing valve core moves downwards, the sealing valve core is separated from the contact with the overflow hole to open the overflow hole; the return spring is matched in the overflow pipe body and applies upward acting force to the sealing valve core.
The overflow hole is a stepped hole and comprises an upper small hole, a lower large hole positioned below the upper small hole and a stepped surface connecting the upper small hole and the lower large hole, and the aperture of the upper small hole is smaller than that of the lower large hole; and a sealing valve core of the overflow valve movably abuts against a stepped surface of the overflow hole.
The sealing valve core comprises a valve core body and a sealing washer sleeved on the valve core body; the valve core body is provided with a convex annular blocking edge, the annular blocking edge is positioned below the sealing washer, the outer diameter of the annular blocking edge is larger than the aperture of an upper small hole of the overflow hole, and the outer diameter of the annular blocking edge is smaller than the aperture of a lower large hole of the overflow hole; the outer diameter of the sealing washer is larger than the aperture of the upper small hole of the overflow hole, the outer diameter of the sealing washer is smaller than the aperture of the lower large hole of the overflow hole, and the upper end face of the sealing washer movably abuts against the stepped surface of the overflow hole.
The overflow pipe also comprises a supporting seat; the supporting seat is matched in the overflow pipe body and is positioned below the sealing valve core, and an overflowing hole is formed in the supporting seat; the upper end and the lower end of the reset spring are respectively abutted against the sealing valve core and the supporting seat.
The sealing valve core is provided with a guide post protruding downwards; the supporting seat is provided with a guide hole corresponding to the guide post; the guide post can be vertically moved and is arranged in the guide hole in a penetrating way.
The overflow pipe body comprises a pipe main body and a pipe joint; the overflow hole is arranged in the pipe main body; the pipe joint comprises a vertical pipe and a transverse pipe which are vertically communicated; the vertical pipe is connected with the lower large hole of the overflow hole, and the horizontal pipe is perpendicular to the overflow hole; the upper end and the lower end of the reset spring respectively abut against the sealing valve core and the inner bottom wall of the transverse pipe.
The sealing valve core is provided with a guide post protruding downwards; the inner bottom wall of the transverse pipe is provided with a limiting post corresponding to the guide post, and the limiting post is provided with a limiting hole; the guide post can move up and down and penetrate through the limiting hole of the limiting post.
The overflow pipe also comprises a fixed seat; the fixed seat is matched in the upper small hole of the overflow hole, an overflow gap is formed between the fixed seat and the upper small hole of the overflow hole, and the fixed seat is provided with a hanging rod; the upper end and the lower end of the reset spring are respectively provided with a connecting hanging rod and a sealing valve core.
The fixed seat is provided with a sleeve hole positioned below the hanging rod; the sealing valve core is provided with a connecting column which protrudes upwards, and the connecting column can move up and down and is penetrated in the trepanning.
The lower end of the reset spring is connected with a connecting column of the sealed valve core.
After the scheme is adopted, when the utility model is used, the overflow pipe body is arranged in the water tank of the toilet and is communicated with the drainage channel of the toilet; the utility model discloses when the normality, the reset spring of overflow case applys ascending effort for sealed case so that sealed case closes the overflow hole, and then makes the overflow body close and make the air in the stool pot water tank can not enter into the drainage channel through the overflow body, opens the drain valve at this moment and drains off water, and the drainage space of drainage channel can not be taken up by the air, makes rivers maximum, the velocity of flow is the fastest in drainage runner's internal cross-section, the drainage speed of drainage runner is also the fastest; and the utility model discloses when the water in the stool pot water tank surpassed the overflow body, during rivers in the stool pot water tank went into the overflow body and oppressed sealed case for sealed case atress moved down and opened the overflow hole, the overflow body switched on this moment and made the hydroenergy in the stool pot water tank enter into drainage channel through the overflow body, realized the overflow function.
Drawings
Fig. 1 is an exploded view of a first embodiment of the present invention;
fig. 2 is a schematic view of the first embodiment of the present invention in use 1 (overflow hole closed);
fig. 3 is a schematic view of the first embodiment of the present invention in use 2 (overflow hole opened);
FIG. 4 shows an embodiment of the present inventionIIAn exploded view of;
fig. 5 is a schematic view of the second embodiment of the present invention in use (overflow hole closed) of fig. 1;
fig. 6 is a schematic view of the second embodiment of the present invention in use 2 (overflow hole opened);
fig. 7 is an exploded view of a third embodiment of the present invention;
fig. 8 is a schematic view of the third embodiment of the present invention in use (overflow hole closed) of fig. 1;
fig. 9 is a schematic view of the third embodiment of the present invention in use 2 (overflow hole opened);
fig. 10 is a sectional view of a tube main body according to a third embodiment of the present invention;
description of reference numerals:
the overflow pipe body (1) is provided with a plurality of overflow pipes,
the tube main body (11) is provided with,
the pipe joint 12, the vertical pipe 121, the horizontal pipe 122, the limiting column 1221, the limiting hole 1222,
the relief valve (2) is provided with a valve,
the return spring 21, the hook 211,
the valve core 22 is sealed and sealed, and,
the valve core body 221, the annular blocking edge 2211, the guide column 2212, the connecting column 2213, the hanging hole 2214,
a sealing gasket 222 is provided which seals the gasket,
the supporting seat 3, the overflowing hole 31, the guide hole 32,
a fixed seat 4, a hanging rod 41, a hanging groove 411, a trepanning 42, a connecting sheet 43,
drain valve base A, overflow interface A1.
Detailed Description
As shown in fig. 1 to 10, the present invention discloses an overflow pipe, which is characterized in that: comprises an overflow pipe body 1 and an overflow valve 2 arranged in the overflow pipe body 1; wherein, an overflow hole 111 which penetrates up and down is arranged in the overflow pipe body 1; the overflow valve 2 comprises a return spring 21 and a sealing valve core 22 for opening and closing the overflow hole 111; the sealing valve core 22 can be matched in the overflow pipe body 1 in an up-and-down moving way; when the sealing valve core 22 moves upwards, the sealing valve core 22 contacts the overflow hole 111 to close the overflow hole 111; when the sealing valve core 22 moves downwards, the sealing valve core 22 is separated from the contact with the overflow hole 111 to open the overflow hole 111; the return spring 21 is fitted in the relief pipe body 1, and the return spring 21 applies an upward force to the sealing spool 22 so that the sealing spool 22 closes the relief hole 111.
As shown in fig. 1 to 10, when the present invention is used, the overflow pipe 1 can be installed on the overflow port a1 of the drain valve base a of the drain valve, so that the overflow pipe 1 is communicated with the drain passage of the toilet through the drain overflow port a 1; as shown in fig. 2, 5 or 8, in a normal state, the restoring spring 21 applies an upward acting force to the sealing valve core 22 to enable the sealing valve core 22 to close the overflow hole 111, so that the overflow pipe body 1 is closed to prevent air in the toilet water tank from entering the drainage channel through the overflow pipe body 1, the drainage valve is opened to drain water, the drainage space of the drainage channel cannot be occupied by air in the toilet water tank, the cross section of water flow in the drainage channel is maximum, the flow speed is fastest, and the drainage speed of the drainage channel is fastest; as shown in fig. 3, fig. 6 or fig. 9, when the water in the water tank of the toilet exceeds the overflow pipe 1, the water in the toilet tank flows into the overflow pipe 1 to press the sealing valve core 22, so that the sealing valve core 22 is forced to move downwards to open the overflow hole 111, and at this time, the overflow pipe 1 is conducted to enable the water in the toilet tank to enter the drainage channel through the overflow pipe 1, thereby realizing the overflow function.
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 3, in a first embodiment of the present invention, the overflow pipe body 1 may include a pipe main body 11 and a pipe joint 12; the overflow hole 111 is arranged in the pipe main body 11; the pipe joint 12 comprises a vertical pipe 121 and a horizontal pipe 122 which are vertically communicated, and the horizontal pipe 122 of the pipe joint 12 is used for being connected with an overflow interface of the drain valve base A.
As shown in fig. 2 and fig. 3, in the first embodiment of the present invention, the overflow hole 111 is a stepped hole with a small top and a large bottom, specifically, the overflow hole 111 includes an upper small hole 1111, a lower large hole 1112 located below the upper small hole 1111, and a stepped surface 1113 connecting the upper small hole 1111 and the lower large hole 1112, and the aperture of the upper small hole 1111 is smaller than the aperture of the lower large hole 1112; the vertical pipe 121 of the pipe joint 12 is connected with the lower large hole 1112 of the overflow hole 111, and the horizontal pipe 122 can be vertically arranged with the overflow hole 111.
As shown in fig. 1 to 3, in the first embodiment of the present invention, the sealing valve core 22 of the overflow valve 2 movably abuts against the stepped surface 1113 of the overflow hole 111 to open and close the overflow hole 111; specifically, the sealing spool 22 includes a spool body 221 and a sealing washer 222 sleeved on the spool body 221; the valve core body 221 is provided with a convex annular blocking edge 2211, the annular blocking edge 2211 is positioned below the sealing washer 222 to support the sealing washer 222, the outer diameter of the annular blocking edge 2211 is larger than the aperture of the upper small hole 1111 of the overflow hole 111, and the outer diameter of the annular blocking edge 2211 is smaller than the aperture of the lower large hole 1112 of the overflow hole 111; the outer diameter of the sealing washer 222 is larger than the aperture of the upper small hole 1111 of the overflow hole 111, the outer diameter of the sealing washer 222 is smaller than the aperture of the lower large hole 1112 of the overflow hole 111, and the upper end surface of the sealing washer 222 movably props against the stepped surface 1113 of the overflow hole 111 to open and close the overflow hole 111; when the sealing spool 22 moves upwards to enable the upper end face of the sealing washer 222 to be abutted against the stepped surface 1113 of the overflow hole 111, the overflow hole 111 is closed; spill port 111 opens when seal cartridge 22 moves downward such that seal washer 222 is out of contact with land 1113 of spill port 111.
With reference to fig. 1 to 3, in a first embodiment of the present invention, an overflow pipe of the present invention further includes a supporting seat 3; the supporting seat 3 is matched in the overflow pipe body 1 and is positioned below the sealed valve core 22, and an overflowing hole 31 is formed in the supporting seat 3 to ensure that water flow can pass through the supporting seat 3; the upper end and the lower end of a return spring 21 of the relief valve 2 respectively abut against a sealing valve core 22 and a supporting seat 3, so that the return spring 21 can provide upward acting force for the sealing valve core 22. As shown in fig. 1 to fig. 3, the edge of the supporting seat 3 can abut against the edge of the upper opening of the vertical pipe 121 of the pipe joint 12, the vertical pipe 121 can be inserted into the lower large hole 1112 of the overflow hole 111, and the vertical pipe 121 is screwed with the lower large hole 1112; as shown in fig. 2 and fig. 3, the sealing valve core 22 is provided with a guide post 2212 protruding downward, the guide post 2212 is arranged on the valve core body 221 of the sealing valve core 22, the support seat 3 is provided with a guide hole 32 corresponding to the guide post 2212, the guide post 2212 is vertically movably inserted into the guide hole 32, and the guide post 2212 is matched with the guide hole 32 to guide the movement of the sealing valve core 22, so that the sealing valve core 22 moves up and down smoothly; the return spring 21 may be fitted over the guide post 2212 to prevent the return spring 21 from being biased.
Example two:
as shown in fig. 4 to fig. 6, the difference between the second embodiment of the present invention and the first embodiment of the present invention is: the embodiment of the utility model provides a do not set up supporting seat 3 in the second, the utility model discloses the upper and lower both ends of reset spring 21 in the second are to leaning on sealed case 22 and the interior diapire of violently managing 122 respectively, also can make reset spring 21 provide ascending effort for sealed case 22 like this.
As shown in fig. 4 to fig. 6, in the second embodiment of the present invention, the sealing valve core 22 is provided with a guide post 2212 protruding downward, and the guide post 2212 is disposed on the valve core body 221 of the sealing valve core 22; the inner bottom wall of the horizontal tube 122 is provided with a limiting column 1221 corresponding to the guide column 2212, and the limiting column 1221 is provided with a limiting hole 1222; the guide post 2212 can be vertically moved and penetrates through the limit hole 1222 of the limit post 1221, and the guide post 2212 is matched with the limit hole 1222 to guide the movement of the sealing valve core 22, so that the sealing valve core 22 can be stably moved vertically; the return spring 21 may be sleeved on the guide post 2212 and the limit post 1221 to prevent the return spring 21 from deflecting.
Example three:
as shown in fig. 7 to 10, the difference between the third embodiment of the present invention and the first embodiment of the present invention is: in the third embodiment of the present invention, the supporting seat 3 is not provided, and the overflow pipe in the third embodiment of the present invention further includes a fixing seat 4; the fixing seat 4 is matched in the upper small hole 1111 of the overflow hole 111, an overflow gap is formed between the fixing seat 4 and the upper small hole 1111 of the overflow hole 111 to enable water to pass through, the hanging rod 41 is arranged on the fixing seat 4, the upper end and the lower end of the return spring 21 are respectively connected with the hanging rod 41 and the sealing valve core 22, and therefore the return spring 21 can provide upward acting force for the sealing valve core 22.
As shown in fig. 8 to 10, in the third embodiment of the present invention, the fixing base 4 is provided with a sleeve hole 42 located below the hanging rod 41; the sealing valve core 22 is provided with a connecting column 2213 protruding upwards, the connecting column 2213 is arranged on the valve core body 221 of the sealing valve core 22, the connecting column 2213 can be vertically moved and penetrate through the sleeve hole 42 of the fixed seat 4, and the connecting column 2213 is matched with the sleeve hole 42 to guide the movement of the sealing valve core 22, so that the sealing valve core 22 can be stably vertically moved. As shown in fig. 10, a plurality of connecting pieces 43 may be disposed on the periphery of the fixing base 4, and each connecting piece 43 is connected to the inner wall of the upper aperture 1111.
Cooperate fig. 8 and fig. 9 to show in the embodiment of the utility model discloses in three, reset spring 21's upper and lower both ends can be equipped with couple 211 respectively, sealed case 22's spliced pole 2213 then is equipped with hanging hole 2214, reset spring 21 lower extreme couple 211 catches on spliced pole 2213's hanging hole 2214 and makes reset spring 21 lower extreme link to each other with spliced pole 2213, reset spring 21 upper end couple 211 then catches on fixing base 4's peg 41 and makes reset spring 21 upper end link to each other with peg 41, can be equipped with on peg 41 and supply the couple 211 card of reset spring 21 upper end to put hanging groove 411 in order to prevent the couple 211 skew of reset spring 21 upper end.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. An overflow tube, comprising: comprises an overflow pipe body and an overflow valve arranged in the overflow pipe body;
an overflow hole which penetrates through the overflow pipe body up and down is formed in the overflow pipe body;
the overflow valve comprises a return spring and a sealing valve core for opening and closing the overflow hole; the sealing valve core can be matched in the overflow pipe body in a vertically moving mode; when the sealing valve core moves upwards, the sealing valve core contacts the overflow hole to close the overflow hole; when the sealing valve core moves downwards, the sealing valve core is separated from the contact with the overflow hole to open the overflow hole; the return spring is matched in the overflow pipe body and applies upward acting force to the sealing valve core.
2. An overflow tube as claimed in claim 1, wherein: the overflow hole is a stepped hole and comprises an upper small hole, a lower large hole positioned below the upper small hole and a stepped surface connecting the upper small hole and the lower large hole, and the aperture of the upper small hole is smaller than that of the lower large hole;
and a sealing valve core of the overflow valve movably abuts against a stepped surface of the overflow hole.
3. An overflow tube as claimed in claim 2, wherein: the sealing valve core comprises a valve core body and a sealing washer sleeved on the valve core body; the valve core body is provided with a convex annular blocking edge, the annular blocking edge is positioned below the sealing washer, the outer diameter of the annular blocking edge is larger than the aperture of an upper small hole of the overflow hole, and the outer diameter of the annular blocking edge is smaller than the aperture of a lower large hole of the overflow hole; the outer diameter of the sealing washer is larger than the aperture of the upper small hole of the overflow hole, the outer diameter of the sealing washer is smaller than the aperture of the lower large hole of the overflow hole, and the upper end face of the sealing washer movably abuts against the stepped surface of the overflow hole.
4. An overflow tube as claimed in claim 2 or 3, wherein: the device also comprises a supporting seat; the supporting seat is matched in the overflow pipe body and is positioned below the sealing valve core, and an overflowing hole is formed in the supporting seat;
the upper end and the lower end of the reset spring are respectively abutted against the sealing valve core and the supporting seat.
5. An overflow tube as claimed in claim 4, wherein: the sealing valve core is provided with a guide post protruding downwards; the supporting seat is provided with a guide hole corresponding to the guide post; the guide post can be vertically moved and is arranged in the guide hole in a penetrating way.
6. An overflow tube as claimed in claim 2 or 3, wherein: the overflow pipe body comprises a pipe main body and a pipe joint; the overflow hole is arranged in the pipe main body;
the pipe joint comprises a vertical pipe and a transverse pipe which are vertically communicated; the vertical pipe is connected with the lower large hole of the overflow hole, and the horizontal pipe is perpendicular to the overflow hole;
the upper end and the lower end of the reset spring respectively abut against the sealing valve core and the inner bottom wall of the transverse pipe.
7. An overflow tube as claimed in claim 6, wherein: the sealing valve core is provided with a guide post protruding downwards; the inner bottom wall of the transverse pipe is provided with a limiting post corresponding to the guide post, and the limiting post is provided with a limiting hole; the guide post can move up and down and penetrate through the limiting hole of the limiting post.
8. An overflow tube as claimed in claim 2 or 3, wherein: the device also comprises a fixed seat; the fixed seat is matched in the upper small hole of the overflow hole, an overflow gap is formed between the fixed seat and the upper small hole of the overflow hole, and the fixed seat is provided with a hanging rod;
the upper end and the lower end of the reset spring are respectively provided with a connecting hanging rod and a sealing valve core.
9. An overflow tube as claimed in claim 8, wherein: the fixed seat is provided with a sleeve hole positioned below the hanging rod; the sealing valve core is provided with a connecting column which protrudes upwards, and the connecting column can move up and down and is penetrated in the trepanning.
10. An overflow tube as claimed in claim 9, wherein: the lower end of the reset spring is connected with a connecting column of the sealed valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368849.1U CN213204335U (en) | 2020-07-13 | 2020-07-13 | Overflow pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021368849.1U CN213204335U (en) | 2020-07-13 | 2020-07-13 | Overflow pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213204335U true CN213204335U (en) | 2021-05-14 |
Family
ID=75833587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021368849.1U Active CN213204335U (en) | 2020-07-13 | 2020-07-13 | Overflow pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213204335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594056A (en) * | 2022-05-10 | 2022-06-07 | 广东盈峰科技有限公司 | Double-metering sample feeding mechanism for water sample digestion colorimetric and digestion colorimetric device |
-
2020
- 2020-07-13 CN CN202021368849.1U patent/CN213204335U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594056A (en) * | 2022-05-10 | 2022-06-07 | 广东盈峰科技有限公司 | Double-metering sample feeding mechanism for water sample digestion colorimetric and digestion colorimetric device |
| CN114594056B (en) * | 2022-05-10 | 2022-07-29 | 广东盈峰科技有限公司 | Double-metering sample feeding mechanism for water sample digestion colorimetric and digestion colorimetric device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220624 Address after: 528000 Leping science and Technology Industrial Zone, Sanshui District, Foshan, Guangdong Patentee after: FOSHAN HEGII SANITARYWARE Co.,Ltd. Address before: Area 808e, Huijin Huli building, 966-968 anling Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN KETAO SANITARY WARE TECHNOLOGY CO.,LTD. |