CN219549725U - Flush valve with anti-backflow sealing structure - Google Patents
Flush valve with anti-backflow sealing structure Download PDFInfo
- Publication number
- CN219549725U CN219549725U CN202320653377.1U CN202320653377U CN219549725U CN 219549725 U CN219549725 U CN 219549725U CN 202320653377 U CN202320653377 U CN 202320653377U CN 219549725 U CN219549725 U CN 219549725U
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- sealing
- valve
- control
- control rod
- positioning seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
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Abstract
The flushing valve with the anti-backflow sealing structure comprises a flushing valve body, wherein a valve cavity is formed in the flushing valve body, the valve cavity is provided with a water inlet part, a valve core part, a control part and a water outlet part, a valve core is arranged in the valve core part, a control component is arranged on the flushing valve body and comprises a control unit and a sealing piece, the sealing piece is arranged in the control part of the valve cavity, one end of the control component extends into the valve cavity to be in sealing connection with the sealing piece, the control unit is pressed to enable one end of the control unit to be in contact with the valve core, and water flow in the valve cavity can be prevented from flowing backwards through the sealing piece arranged on the control unit, so that a gap between the control unit and the valve cavity wall of the valve cavity flows out, and water seepage and water leakage phenomena are avoided; the conical sealing ring is made of elastic rubber materials, so that after the conical sealing ring is sleeved on the control rod, the control rod sealing part of the conical sealing ring is spread by the control rod and is tightly attached to the control rod, and the sealing effect is achieved.
Description
Technical Field
The utility model relates to the technical field of flushing valves, in particular to a flushing valve with an anti-backflow sealing structure.
Background
The existing flushing valve consists of a main body, a floating valve and a switching device, wherein the switching device consists of a switch, a positioning seat, a pushing positioning needle and a positioning sleeve, the front end face of the switch is parallel and opposite to the rear end face of the positioning seat, the pushing positioning needle is fixedly connected with the positioning seat as a whole, and the pushing positioning needle is in sliding connection with a pushing rod of the floating body through a clamping groove. The structure of the switch device can enable the push rod of the floating body to move smoothly, so that a user can open and close the valve body by lightly pressing the switch, but after the handle is used for a long time, the phenomenon of poor sealing is easy to occur, and water in the flushing valve flows out after flowing back.
Disclosure of Invention
In view of this, the present utility model provides a flush valve having an anti-reflux seal structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a flush valve with prevent sealing structure against current, includes the flush valve body, form the valve pocket in the flush valve body, the valve pocket has portion of intaking, valve core, control portion and play water portion, set up the case in the case portion, set up control assembly on the flush valve body, control assembly includes control unit and sealing member, the sealing member sets up in the control portion of valve pocket, control assembly's one end stretches into the valve pocket and meets with the sealing member is sealed, and presses control unit makes the one end of control unit and case contact.
Preferably, the control unit comprises a handle, a control rod, a positioning seat and a reset spring, wherein the control part is provided with a mounting opening, one end of the positioning seat stretches into the control part through the mounting opening to be connected with the flushing valve body, one end of the control rod penetrates through the positioning seat to stretch into the valve cavity, the sealing element is arranged on the control rod, and the reset spring is arranged on one side, far away from the valve core, of the positioning seat.
Preferably, the positioning seat is far away from the one end of the control part and sleeved with the positioning cover, the positioning cover is provided with a positioning part and a flushing valve connecting part, the flushing valve connecting part is provided with connecting threads, the flushing valve connecting part is in threaded connection with the flushing valve body, a positioning cavity is formed in the positioning part, one end of the handle stretches into the positioning cavity, and one end of the control rod stretches into the positioning cavity to be in contact with the handle.
Preferably, the sealing element is a conical sealing ring arranged at one end of the control rod, which is close to the valve core, the conical sealing ring is provided with a positioning seat sealing part and a control rod sealing part, the positioning seat is arranged at one end, which is close to the sealing element, of the positioning seat, the positioning seat sealing part protrudes out along the control rod to form a conical sealing part, a sealing ring groove is arranged on the conical sealing part, the positioning seat sealing part of the conical sealing ring is provided with a sealing end corresponding to the sealing ring groove, and the sealing end stretches into the sealing ring groove to be connected with the positioning seat in a sealing way.
Preferably, the inner diameter of the control rod sealing part is smaller than the outer diameter of the control rod, and the control rod sealing part is in interference fit with the control rod.
Preferably, the conical sealing ring is made of elastic rubber material.
The utility model has the beneficial effects that: according to the utility model, the sealing piece is arranged on the control unit, so that the water flow in the valve cavity can be prevented from flowing backwards, and the gap between the control unit and the valve cavity wall flows out, so that the water seepage and water leakage phenomena are avoided; the conical sealing ring is made of elastic rubber materials, so that after the conical sealing ring is sleeved on the control rod, the control rod sealing part of the conical sealing ring is spread by the control rod and is tightly attached to the control rod, and the sealing effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings.
The utility model provides the following technical scheme:
as shown in fig. 1-2, the utility model discloses a flushing valve with a reverse flow prevention sealing structure, which comprises a flushing valve body 1, wherein a valve cavity 2 is formed in the flushing valve body 1, the valve cavity 2 is provided with a water inlet part 3, a valve core part 4, a control part 5 and a water outlet part 6, a valve core 7 is arranged in the valve core part 4, a control component 8 is arranged on the flushing valve body 1, the control component 8 comprises a control unit 9 and a sealing element 10, the sealing element 10 is arranged in the control part 5 of the valve cavity 2, one end of the control component 8 extends into the valve cavity 2 to be in sealing connection with the sealing element 10, and one end of the control unit 9 is contacted with the valve core 7 by pressing the control unit 9. Specifically, in this embodiment, by providing the sealing member 10 on the control unit 9, the water flow in the valve cavity 2 can be prevented from flowing back, and flows out from the gap between the control unit 9 and the cavity wall of the valve cavity 2, so that water seepage and water leakage phenomena are avoided.
Further, the control unit 9 includes a handle 11, a control rod 12, a positioning seat 13 and a return spring 14, a mounting opening 15 is formed in the control portion 5, one end of the positioning seat 13 extends into the control portion 5 through the mounting opening 15 and is connected with the flush valve body 1, one end of the control rod 12 penetrates through the positioning seat 13 and extends into the valve cavity 2, the sealing element 10 is arranged on the control rod 12, and the return spring 14 is arranged on one side, far away from the valve core 7, of the positioning seat 13.
Further, a positioning cover 16 is sleeved on one end of the positioning seat 13 far away from the control part 5, the positioning cover 16 is provided with a positioning part 17 and a flushing valve connecting part 18, connecting threads are arranged on the flushing valve connecting part 18, the flushing valve connecting part 18 is in threaded connection with the flushing valve body 1, a positioning cavity 19 is formed in the positioning part 17, one end of the handle 11 stretches into the positioning cavity 19, and one end of the control rod 12 stretches into the positioning cavity 19 to be in contact with the handle 11. Specifically, in this embodiment, an opening for extending the handle 11 is formed at an end of the positioning cover 16 away from the flush valve body 1, and the handle 11 has a limiting portion with an outer diameter larger than an inner diameter of the opening, and a pressing portion with an outer diameter smaller than an outer diameter of the opening, and the pressing portion extends from the positioning cover 16 to be pressed by a user to control the control unit 9.
Further, the sealing member 10 is a conical sealing ring arranged at one end of the control rod 12 close to the valve core 7, the conical sealing ring is provided with a positioning seat sealing portion 21 and a control rod sealing portion 22, one end of the positioning seat 13 close to the sealing member 10 protrudes along the control rod 12 to form a conical sealing portion 20, the conical sealing portion 20 is provided with a sealing ring groove 24, the positioning seat sealing portion 21 of the conical sealing ring is provided with a sealing end 23 corresponding to the sealing ring groove 24, and the sealing end 23 extends into the sealing ring groove 24 to be in sealing connection with the positioning seat 13. Specifically, in this embodiment, the tapered sealing portion 20 on the positioning seat 13 is configured in a tapered structure, so that once water flows through the control rod sealing portion 22 of the tapered sealing ring and enters the tapered sealing ring, the water flows along the tapered sealing portion 20 with the tapered structure, thereby delaying the water flow from the gap between the positioning seat 13 and the control rod 12.
Further, the inner diameter of the lever seal 22 is smaller than the outer diameter of the lever 12, and the lever seal 22 is in an interference fit with the lever 12. Specifically, in this embodiment, since the inner diameter of the control rod sealing portion 22 is smaller than the outer diameter of the control rod 12, and the tapered sealing ring is made of elastic rubber, after the tapered sealing ring is sleeved on the control rod 12, the control rod sealing portion 22 of the tapered sealing ring is propped open by the control rod 12 and is tightly attached to the control rod 12, so as to achieve a sealing effect.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a flush valve with prevent sealing structure against current, includes the flush valve body, form the valve pocket in the flush valve body, the valve pocket has inlet portion, valve core portion, control portion and play water portion, set up the case in the case portion, its characterized in that: the flushing valve comprises a flushing valve body, and is characterized in that a control assembly is arranged on the flushing valve body and comprises a control unit and a sealing piece, the sealing piece is arranged in a control part of a valve cavity, one end of the control assembly extends into the valve cavity to be connected with the sealing piece in a sealing mode, and the control unit is pressed to enable one end of the control unit to be in contact with a valve core.
2. The flush valve with an anti-reflux seal structure according to claim 1, wherein: the control unit comprises a handle, a control rod, a positioning seat and a reset spring, wherein the control part is provided with a mounting opening, one end of the positioning seat extends into the control part through the mounting opening to be connected with the flushing valve body, one end of the control rod penetrates through the positioning seat to extend into the valve cavity, the sealing element is arranged on the control rod, and the reset spring is arranged on one side, far away from the valve core, of the positioning seat.
3. The flush valve with an anti-reflux seal structure according to claim 2, wherein: the locating seat is far away from the one end of control portion and overlaps the position lid of setting for, the position lid has location portion and flushing valve connecting portion, set up connecting thread on the flushing valve connecting portion, flushing valve connecting portion and flushing valve body threaded connection, form the location chamber in the location portion, the one end of handle stretches into the location intracavity, just the one end of control lever stretches into location chamber and handle contact.
4. The flush valve with an anti-reflux seal structure according to claim 2, wherein: the sealing element is a conical sealing ring arranged on one end of the control rod, which is close to the valve core, the conical sealing ring is provided with a positioning seat sealing part and a control rod sealing part, the positioning seat is arranged on one end, which is close to the sealing element, of the control rod, the positioning seat is protruded to form a conical sealing part along the control rod, a sealing ring groove is arranged on the conical sealing part, the positioning seat sealing part of the conical sealing ring is provided with a sealing end corresponding to the sealing ring groove, and the sealing end stretches into the sealing ring groove to be connected with the positioning seat in a sealing way.
5. The flush valve with an anti-reflux seal structure according to claim 4, wherein: the inner diameter of the control rod sealing part is smaller than the outer diameter of the control rod, and the control rod sealing part is in interference fit with the control rod.
6. The flush valve with an anti-reflux seal structure according to claim 4, wherein: the conical sealing ring is made of elastic rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653377.1U CN219549725U (en) | 2023-03-27 | 2023-03-27 | Flush valve with anti-backflow sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653377.1U CN219549725U (en) | 2023-03-27 | 2023-03-27 | Flush valve with anti-backflow sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549725U true CN219549725U (en) | 2023-08-18 |
Family
ID=87703383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320653377.1U Active CN219549725U (en) | 2023-03-27 | 2023-03-27 | Flush valve with anti-backflow sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549725U (en) |
-
2023
- 2023-03-27 CN CN202320653377.1U patent/CN219549725U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |