CN219975356U - High-flow high-sealing stop valve - Google Patents
High-flow high-sealing stop valve Download PDFInfo
- Publication number
- CN219975356U CN219975356U CN202321392374.3U CN202321392374U CN219975356U CN 219975356 U CN219975356 U CN 219975356U CN 202321392374 U CN202321392374 U CN 202321392374U CN 219975356 U CN219975356 U CN 219975356U
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- Prior art keywords
- sealing
- valve
- main body
- valve core
- inner valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 86
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model discloses a high-flow high-sealing stop valve, which comprises: the valve comprises a valve body main body, wherein a liquid inlet channel is formed in one side of the valve body main body, a liquid outlet channel is formed in one side of the valve body main body, and a mounting opening is formed in the top of the valve body main body and is respectively communicated with the liquid inlet channel and the liquid outlet channel; the tail end of the liquid inlet channel is provided with a main body sealing surface; the case sealing lever, case sealing lever sealing mounting is at the installing port, and case sealing lever includes: the outer rod sleeve is fixedly connected with the mounting port in a sealing way; the inner part of the outer rod sleeve is provided with a through installation cavity; the inner valve core is arranged in the mounting cavity in a sliding manner; the inner valve rod is rotationally and hermetically arranged in the mounting cavity of the outer rod sleeve through the clamping ring, and is in threaded connection with the inner valve core; the inner valve rod is rotated to drive the inner valve core to move up and down, so that the sealing or opening of the sealing surface of the main body is realized; the O-shaped sealing ring is sleeved on the inner valve core and is used for connecting the inner valve core with the mounting cavity in a sliding sealing manner.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a high-flow high-sealing stop valve.
Background
The stop valve is the most widely used valve, and is popular because the friction force between sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the stop valve is easy to manufacture and convenient to maintain, and the stop valve is not only suitable for medium and low pressure, but also suitable for high pressure.
The valve core sealing rod of the stop valve in the prior art is soaked in liquid when in use, so that the valve core sealing rod is easy to corrode or adhere to impurities, and the valve core sealing rod rotates unsmoothly, thereby causing the stop valve to fail.
Disclosure of Invention
Therefore, the utility model provides a high-flow high-sealing stop valve, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a high flow, high seal shut-off valve comprising: the valve comprises a valve body main body, wherein a liquid inlet channel is formed in one side of the valve body main body, a liquid outlet channel is formed in one side of the valve body main body, and a mounting opening is formed in the top of the valve body main body and is respectively communicated with the liquid inlet channel and the liquid outlet channel; the tail end of the liquid inlet channel is provided with a main body sealing surface; the case sealing rod, the case sealing rod sealing installation is in the installing port, the case sealing rod includes: the outer rod sleeve is fixedly connected with the mounting opening in a sealing way; the inner part of the outer rod sleeve is provided with a through installation cavity; the inner valve core is arranged in the mounting cavity in a sliding manner; the inner valve rod is rotationally and hermetically arranged in the mounting cavity of the outer rod sleeve through a clamping ring, and is in threaded connection with the inner valve core; the inner valve rod is rotated to drive the inner valve core to move up and down, so that the sealing or opening of the sealing surface of the main body is realized; the O-shaped sealing ring is sleeved on the inner valve core and is used for connecting the inner valve core with the mounting cavity in a sliding sealing manner.
In some embodiments, the mounting port of the outer stem sleeve to the valve body is sealed with a polytetrafluoroethylene seal ring.
In some embodiments, the bottom of the inner valve core is provided with a rubber sealing gasket mounting structure, so that the rubber sealing gasket is ensured to be firmly fixed to the bottom of the valve core for a long time, and is used for sealing the main body sealing surface.
In some embodiments, an O-ring is sleeved on the inner valve rod for rotationally sealing the inner valve rod to the outer rod sleeve.
In summary, the utility model has the following beneficial effects:
the stop valve disclosed by the utility model is novel in structure and strong in practicability. The valve core is wholly tightly sealed with the plastic main body by a polytetrafluoroethylene sealing gasket: the compaction sealing is simple and convenient to assemble and disassemble, the raw material tape does not need to be wound, and meanwhile, the leakage condition caused by improper winding of the raw material tape is avoided; can ensure that water can not enter the valve core sealing rod of the stop valve after a period of use.
Drawings
FIG. 1 is a schematic view of a shut-off valve of the present utility model;
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the preferred embodiments of the present utility model will be described in more detail with reference to the accompanying drawings in the preferred embodiments of the present utility model. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the utility model. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. 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.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship of the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or display.
A high flow rate high sealing shut-off valve according to an embodiment of the present utility model will be described in detail with reference to fig. 1. It is noted that the following examples are only for explaining the present utility model and are not to be construed as limiting the present utility model.
Example 1:
a high flow, high seal shut-off valve comprising: the valve comprises a valve body main body 6 and a valve core sealing rod, wherein a liquid inlet channel is formed in one side of the valve body main body, a liquid outlet channel is formed in one side of the valve body main body, and a mounting opening is formed in the top of the valve body main body and is respectively communicated with the liquid inlet channel and the liquid outlet channel; the tail end of the liquid inlet channel is provided with a main body sealing surface; the valve core sealing rod is installed at the installation port in a sealing mode.
The spool sealing lever includes: an outer rod sleeve 7, an inner valve core 5,O type sealing ring 1 and an inner valve rod 8, wherein the outer rod sleeve is fixedly connected with the mounting port in a sealing way; the inner part of the outer rod sleeve is provided with a through installation cavity; the inner valve core is arranged in the mounting cavity in a sliding manner; the inner valve rod is arranged in the mounting cavity of the outer rod sleeve in a rotary sealing mode through the clamping ring, and the O-shaped sealing ring is sleeved on the inner valve rod and used for realizing rotary sealing connection between the inner valve rod and the outer rod sleeve. The inner valve rod is in threaded connection with the inner valve core; the inner valve rod is rotated to drive the inner valve core to move up and down, so that the sealing or opening of the sealing surface of the main body is realized; the O-shaped sealing ring is sleeved on the inner valve core and is used for connecting the inner valve core with the mounting cavity in a sliding sealing manner.
The utility model mainly improves the sealing condition between the inner valve core and the outer rod sleeve on the basis of the existing stop valve, and further ensures that liquid cannot flow into the valve core sealing rod from between the inner valve core and the outer rod sleeve by sleeving an O-shaped sealing ring on the inner valve core so as to form sliding sealing between the inner valve core and the outer rod sleeve.
In some embodiments, the mounting port of the outer rod sleeve and the valve body is sealed by a polytetrafluoroethylene sealing ring 2. The polytetrafluoroethylene sealing gasket has the advantages of wear resistance, ageing resistance, high temperature resistance and low temperature resistance, and can effectively ensure that liquid cannot leak from the integral joint of the end face of the main body and the valve core after the stop valve is used for a long time or the valve core is replaced.
In some embodiments, the bottom of the inner valve core is provided with a structure for installing the rubber gasket 3, so that the rubber gasket is ensured to be firmly fixed to the bottom of the valve core for a long time, and is used for realizing long-term effective sealing on the main body sealing surface 4. The chamfer is arranged to be convenient for realizing sealing with the main body sealing surface.
The valve core can be replaced integrally, so that the condition that the whole stop valve is replaced due to the damage of the sealing surface of the valve core is avoided, and the valve core is convenient to maintain in later period.
The valve core and the main body sealing surface are sealed by adopting a rubber sealing gasket, so that the sealing adaptability is improved, and the plastic sealing surface is protected; the main body sealing surface adopts a special small-diameter cylinder design, so that the structure stability after injection molding is facilitated, and the structural effectiveness of the sealing surface is ensured.
Adopts a dry type lifting space technology: the multiple O-shaped ring sealing technology is adopted, so that an independent area is formed in the lifting space of the valve core sealing rod, water and impurities cannot enter the lifting space, the valve core is ensured to be lifted smoothly, and the quick and long service life is achieved.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, but rather as enabling modifications, variations in the structure, shape and principles of the utility model, which are obvious to those skilled in the art, are intended to be included within the scope of the utility model.
Claims (4)
1. A high flow, high seal shut-off valve comprising:
the valve comprises a valve body main body, wherein a liquid inlet channel is formed in one side of the valve body main body, a liquid outlet channel is formed in one side of the valve body main body, and a mounting opening is formed in the top of the valve body main body and is respectively communicated with the liquid inlet channel and the liquid outlet channel; the tail end of the liquid inlet channel is provided with a main body sealing surface;
the valve core sealing rod is arranged at the mounting port in a sealing way and is characterized in that:
the spool sealing lever includes:
the outer rod sleeve is fixedly connected with the mounting opening in a sealing way; the inner part of the outer rod sleeve is provided with a through installation cavity;
the inner valve core is arranged in the mounting cavity in a sliding manner;
the inner valve rod is rotationally and hermetically arranged in the mounting cavity of the outer rod sleeve through a clamping ring, and is in threaded connection with the inner valve core; the inner valve rod is rotated to drive the inner valve core to move up and down, so that the sealing or opening of the sealing surface of the main body is realized;
the O-shaped sealing ring is sleeved on the inner valve core and is used for connecting the inner valve core with the mounting cavity in a sliding sealing manner.
2. A high flow high seal shut off valve according to claim 1, wherein: the outer rod sleeve is sealed with the mounting opening of the valve body main body through a polytetrafluoroethylene sealing ring.
3. A high flow high seal shut off valve according to claim 1, wherein: the bottom of the inner valve core is provided with a rubber sealing gasket for sealing the main body sealing surface.
4. A high flow high seal shut off valve according to claim 1, wherein: and the O-shaped sealing ring is sleeved on the inner valve rod and is used for realizing rotary sealing connection between the inner valve rod and the outer rod sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392374.3U CN219975356U (en) | 2023-06-02 | 2023-06-02 | High-flow high-sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392374.3U CN219975356U (en) | 2023-06-02 | 2023-06-02 | High-flow high-sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975356U true CN219975356U (en) | 2023-11-07 |
Family
ID=88590066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321392374.3U Active CN219975356U (en) | 2023-06-02 | 2023-06-02 | High-flow high-sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975356U (en) |
-
2023
- 2023-06-02 CN CN202321392374.3U patent/CN219975356U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |