CN219673345U - Valve with rotatable sealing connection structure - Google Patents
Valve with rotatable sealing connection structure Download PDFInfo
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- CN219673345U CN219673345U CN202321160785.XU CN202321160785U CN219673345U CN 219673345 U CN219673345 U CN 219673345U CN 202321160785 U CN202321160785 U CN 202321160785U CN 219673345 U CN219673345 U CN 219673345U
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- 238000007789 sealing Methods 0.000 title claims abstract description 112
- 238000009434 installation Methods 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of valves, and discloses a valve with a rotatable sealing connection structure, which comprises a valve body and a valve core, wherein the valve body is internally used as a valve cavity, and the valve core is arranged in the valve cavity; the valve body is provided with an inlet and an outlet, the inlet, the valve cavity and the outlet are sequentially communicated to form a flow passage for medium to pass through, and the valve core is used for opening and closing the flow passage; internal threads are arranged in the inlet and the outlet, and external threads matched with the internal threads are arranged on the external connecting pipeline; the sealing rings are arranged between the external connecting pipeline and the inlet and the outlet, the middle part of the sealing ring is provided with a supporting layer protruding out of the sealing rings, the inlet and the outlet are internally provided with mounting cavities, the supporting layer and the ring body of the sealing ring on one side of the supporting layer are limited in the mounting cavities, and the limiting can be realized through rotating the sealing rings, and the external connecting pipeline is in butt joint and sealing with the ring body of the sealing ring on the other side of the supporting layer. The valve has higher sealing reliability after being connected with the connecting pipe.
Description
Technical Field
The utility model belongs to the technical field, and particularly relates to a valve with a rotatable sealing connection structure.
Background
A sealing ring is arranged between the valve body and the connecting pipe of the existing valve and is used for being connected with the valve body and the connecting pipe in a sealing mode. But this kind of sealing washer is lost easily in leaving factory and transportation, and when installing the connecting pipe to be connected to the valve body, if the rotation moment of connecting pipe is too big, then the compression volume of sealing washer can be too big to take place excessive deformation, long-time use can lead to the sealing washer to break, and then causes the problem of valve leakage. In addition, when the connecting pipe is installed, the installation position of the connecting pipe relative to the valve body is fixed, and the screwing length cannot be adjusted.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a valve with a rotatable sealing connection structure, which mainly solves the problems that a sealing gasket between the existing valve and a connecting pipe is easy to lose and the compression amount is too large to deform and damage.
In order to achieve the above purpose, the utility model provides a valve with a rotatable sealing connection structure, which comprises a valve body and a valve core, wherein the valve body is internally used as a valve cavity, and the valve core is arranged in the valve cavity; the valve body is provided with an inlet and an outlet, the inlet, the valve cavity and the outlet are sequentially communicated to form a flow passage for medium to pass through, and the valve core is used for opening and closing the flow passage; internal threads are arranged in the inlet and the outlet, and external threads matched with the internal threads are arranged on the external connecting pipeline; sealing rings are arranged between the external connecting pipeline and the inlet and the outlet, a supporting layer protruding out of the sealing rings is arranged in the middle of the sealing rings, mounting cavities are arranged in the inlet and the outlet, the support layer and the ring body of the sealing ring on one side of the support layer are limited in the mounting cavity, limiting can be achieved by rotating the sealing ring, and the external connecting pipeline is in butt joint and sealing with the ring body of the sealing ring on the other side of the support layer.
Further, the thickness of the sealing ring is at least 2 times of the length of one rotation of the internal thread.
Further, the length of one rotation of the internal thread is 0.9mm-2.3mm.
Further, the supporting layer is an annular ring coaxially arranged with the sealing ring, and a protruding block protruding out of the sealing ring is arranged on the circumferential outer surface of the annular ring.
Further, elongated grooves are formed in the inner walls of the inlet and the outlet along the axial direction, the elongated grooves are communicated with the mounting cavity, and the protruding blocks are matched with the elongated grooves, so that the sealing ring can enter the mounting cavity.
Further, the inner diameter of the annular ring is the same as the inner diameter of the sealing ring.
Further, a first special-shaped protrusion is arranged on a side ring body, close to the valve core, of the sealing ring.
Further, a second special-shaped protrusion is arranged on a side ring body, away from the valve core, of the sealing ring.
Further, the first special-shaped protrusion and the second special-shaped protrusion have the same or different structures.
Further, the valve core comprises a valve plate and a valve rod, the valve plate is positioned in the valve cavity, and the valve rod penetrates through the valve body and is connected with the valve plate.
Compared with the prior art, the technical scheme of the utility model mainly has the following advantages:
1. according to the valve provided by the utility model, the mounting cavities are arranged in the inlet and the outlet of the valve, the supporting layer is arranged in the middle of the sealing ring, the sealing ring is divided into two parts by the supporting layer, one part of the sealing ring and the supporting layer are integrally mounted and limited in the mounting cavities, and after the sealing ring is rotated, the supporting layer and the sealing ring body at one side of the supporting layer are limited in the mounting cavities, so that the whole sealing ring cannot fall off; after the connecting pipe enters the inlet and the outlet, the end part of the connecting pipe can be in butt joint with the other part of the sealing ring for sealing, and the sealing ring is a two-part ring body positioned on two sides of the supporting layer, so that the sealing effective stroke is longer, and after the connecting pipe is in butt joint with the sealing ring for sealing, the sealing ring cannot be easily deformed and damaged.
2. In the valve provided by the utility model, the thickness of the sealing ring is multiple times of the length of one circle of internal thread rotation on the side wall of the inlet and outlet, and the length of one circle of internal thread rotation is 0.9-2.3 mm, so that the sealing ring is thicker, the compressible thickness is thicker, the reliability of the sealing ring is higher when the rotation moment of the connecting pipe is larger, and the service life is longer.
3. According to the utility model, the supporting layer of the sealing ring is an annular ring coaxially arranged with the sealing ring, the circumferential outer surface of the annular ring is provided with the convex blocks protruding out of the sealing ring, the inner side walls of the inlet and the outlet are provided with the long grooves communicated with the mounting cavity, and the convex blocks can be matched with the long grooves to realize positioning and mounting, so that the whole sealing ring is smoothly mounted in the mounting cavity from the outside of the inlet and the outlet, and the mounting is simple and convenient.
Drawings
FIG. 1 is a schematic view of a valve structure with a rotatable seal connection structure according to an embodiment of the present utility model;
FIG. 2 is a front view and a side view of a valve body structure with a rotatable seal connection structure according to an embodiment of the present utility model;
fig. 3 is a front view and a side view of a seal ring structure according to an embodiment of the present utility model.
In the figure: 1-valve body, 2-valve core, 3-import, 4-export, 5-sealing washer, 51-supporting layer, 52-lug, 53-first special-shaped protruding, 54-second special-shaped protruding, 6-recess, 7-elongated slot, 8-handle.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, a valve with a rotatable sealing connection structure in this embodiment includes a valve body 1 and a valve core 2, wherein the valve body 1 is used as a valve cavity, and the valve core 2 is arranged in the valve cavity; as shown in the left and right diagrams in fig. 2, an inlet 3 and an outlet 4 are arranged on the valve body 1, the inlet 3, the valve cavity and the outlet 4 are sequentially communicated to form a flow passage for medium to pass through, and the valve core is used for opening and closing the flow passage; internal threads are arranged in the inlet 3 and the outlet 4, external threads matched with the internal threads are arranged on the external connecting pipeline, and the connecting pipeline is in threaded connection with the corresponding outlet 3 and the outlet 4; the sealing ring 5 is arranged between the external connecting pipeline and the inlet 3 and the outlet 4, the supporting layer 51 protruding out of the sealing ring 5 is arranged in the middle of the sealing ring 5, the installation cavity is arranged in the inlet 3 and the outlet 4, the supporting layer 51 and the ring body of the sealing ring 5 on one side of the supporting layer are limited in the installation cavity, the sealing ring 5 is rotatable in the installation cavity, the supporting layer 51 abuts against one end side wall of the installation cavity, which is close to the external connecting pipeline, to achieve limiting, and the external connecting pipeline abuts against the ring body of the sealing ring 5 on the other side of the supporting layer 51 to seal.
In a preferred embodiment, the thickness of the sealing ring 5 is at least 2 times the length of one revolution of the internal thread; for example, the thickness of the sealing ring 5 is 2 times, 3 times, 4 times, etc. the length of one revolution of the internal thread in the inlet 3 and the outlet 4, which can increase the effective sealing stroke of the sealing ring.
In the preferred embodiment, the length of one revolution of the internal thread is 0.9mm-2.3mm, if the length of one revolution of the internal thread is 0.9mm, 1.0mm, 1.3mm, 1.5mm, 2.0mm, 2.3mm, etc., then the thickness of the corresponding seal ring 5 is multiple times the length of one revolution of the corresponding internal thread; in a more preferred embodiment, the thickness of the sealing ring 5 is an integer multiple of the length of one turn of the internal thread.
In the preferred embodiment, as shown in fig. 3, the supporting layer 51 is an annular ring coaxially arranged with the sealing ring 5, the sealing ring 5 is divided into two parts, the two parts are respectively fixed on two sides of the supporting layer 51, and the circumferential outer surface of the annular ring is provided with a protruding block 52 protruding out of the sealing ring 5; specifically, there are 3 lugs 52, and they are uniformly arranged on the outer periphery of the annular ring.
In the preferred embodiment, the inner walls of the inlet 3 and the outlet 4 are provided with long grooves 7 along the axial direction, the long grooves 7 are communicated with the mounting cavity, and the convex blocks 52 can be matched with the long grooves 7, so that the whole sealing ring 5 can be positioned and mounted in the mounting cavity; specifically, the number of the long grooves 7 is the same as that of the projections 52, and the shapes thereof are corresponding to each other.
In a preferred embodiment, the inner diameter of the annular ring is the same as the inner diameter of the sealing ring 5, so that when the sealing ring 5 is mounted in the inlet 3 and the outlet 4, the central hole of the sealing ring 5 is in communication with the fluid channel without affecting the flow of the fluid medium.
In the preferred embodiment, a first special-shaped protrusion 53 is arranged on a ring body of one side of the sealing ring 5, which is close to the valve core, and the first special-shaped protrusion 53 is in abutting sealing with the bottom surface of the mounting cavity, which is close to the valve core; specifically, the bottom surface of the mounting cavity is provided with a groove 6 for accommodating the first special-shaped protrusion 53, so that a sealing waterline is formed between the first special-shaped protrusion 53 and the bottom surface of the mounting cavity after the first special-shaped protrusion 53 is abutted against the bottom surface of the mounting cavity; more preferably, the protrusion of the first special-shaped protrusion 53 is in a circular arc shape, and the corresponding groove is also in a circular arc shape, so that the sealing reliability after the two parts are abutted is higher.
In the preferred embodiment, a second special-shaped protrusion 54 is arranged on a side ring body of the sealing ring 5, which is far away from the valve core, and the second special-shaped protrusion 54 can be abutted and sealed with the end face of the external connecting pipe.
In the preferred embodiment, the first shaped protrusion 53 is the same as or different from the second shaped protrusion 54 in structure; specifically, the convex surface of the second special-shaped protrusion 54 is trapezoidal, and the trapezoidal convex surface can be tightly contacted with the end part of the connecting pipe to realize sealing.
In the preferred embodiment, the valve core 2 comprises a valve plate and a valve rod, wherein the valve plate is positioned in the valve cavity, and the valve rod penetrates through the valve body 1 and is connected with the valve plate; specifically, the upper end of the valve rod is also connected with a handle 8, external force is applied to the handle 8, the handle 8 can drive the valve rod to rotate, and the valve rod drives the valve plate to rotate so as to open and close the flow channel, thereby realizing on-off of the fluid medium; a sealing element is also arranged between the valve rod and the valve body 1 for sealing.
According to the valve provided by the utility model, when the connecting pipe is arranged in the corresponding inlet 3 and outlet 4, the end part of the connecting pipe is abutted against the trapezoid protrusion on the sealing ring 5 and sealed along with continuous screwing, and the thickness of the sealing ring 5 is thicker, so that after the connecting pipe is abutted against the sealing ring and sealed, the fixing position of the connecting pipe can be adjusted by rotating inwards or outwards for one or more circles, and the stability and the sealing reliability of the whole structure of the sealing ring 5 can be effectively ensured when the compression amount is overlarge due to the two-part combined structure of the sealing ring 5.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The valve with the rotatable sealing connection structure is characterized by comprising a valve body (1) and a valve core (2), wherein the valve body (1) is internally used as a valve cavity, and the valve core (2) is arranged in the valve cavity; an inlet (3) and an outlet (4) are arranged on the valve body (1), the inlet (3), the valve cavity and the outlet (4) are sequentially communicated to form a flow passage for medium to pass through, and the valve core is used for opening and closing the flow passage; internal threads are arranged in the inlet (3) and the outlet (4), and external threads matched with the internal threads are arranged on the external connecting pipeline; the utility model discloses a sealing device for the automobile, including an outer connecting pipeline, an inlet (3), an outlet (4), a sealing ring (5), a supporting layer (51) and an installation cavity, wherein the sealing ring (5) is arranged between the outer connecting pipeline and the inlet (3) and the outlet (4), the middle part of the sealing ring (5) is provided with a protrusion the supporting layer (51) of the sealing ring (5), the inner side of the inlet (3) and the outlet (4) is provided with the installation cavity, the sealing ring (5) on one side of the supporting layer (51) is arranged in the installation cavity, and the limiting can be realized through rotating the sealing ring (5), and the outer connecting pipeline is sealed with the ring body butt of the sealing ring (5) on the other side of the supporting layer (51).
2. A valve with a rotatable sealing connection according to claim 1, characterized in that the sealing ring (5) has a thickness of at least 2 times the length of one revolution of the internal thread.
3. A valve having a rotatable seal connection as claimed in claim 2 wherein the length of one revolution of the internal thread is 0.9mm to 2.3mm.
4. A valve with a rotatable sealing connection according to claim 1, characterized in that the support layer (51) is an annular ring arranged coaxially with the sealing ring (5), and that the circumferential outer surface of the annular ring is provided with protrusions (52) protruding the sealing ring (5).
5. A valve with a rotatable sealing connection according to claim 4, characterized in that the inner walls of the inlet (3) and the outlet (4) are provided with an elongated slot (7), the elongated slot (7) being in communication with the mounting chamber, and the projection (52) being in engagement with the elongated slot for enabling the sealing ring (5) to enter the mounting chamber.
6. A valve with a rotatable sealing connection according to claim 4, characterized in that the inner diameter of the annular ring is the same as the inner diameter of the sealing ring (5).
7. A valve with a rotatable sealing connection according to claim 1, characterized in that the sealing ring (5) is provided with a first profiled projection (53) on the side of the ring body close to the valve core.
8. A valve with a rotatable sealing connection according to claim 7, characterized in that a second profiled bead (54) is provided on a side of the sealing ring (5) remote from the valve element.
9. A valve with rotatable sealing connection according to claim 8, characterized in that the first shaped protrusion (53) is of the same or different construction than the second shaped protrusion (54).
10. A valve with a rotatable sealing connection according to claim 1, characterized in that the valve cartridge (2) comprises a valve plate and a valve stem, the valve plate being located in the valve chamber, the valve stem penetrating the valve body (1) and being connected to the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160785.XU CN219673345U (en) | 2023-05-11 | 2023-05-11 | Valve with rotatable sealing connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160785.XU CN219673345U (en) | 2023-05-11 | 2023-05-11 | Valve with rotatable sealing connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673345U true CN219673345U (en) | 2023-09-12 |
Family
ID=87921169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321160785.XU Active CN219673345U (en) | 2023-05-11 | 2023-05-11 | Valve with rotatable sealing connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673345U (en) |
-
2023
- 2023-05-11 CN CN202321160785.XU patent/CN219673345U/en active Active
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