CN210344632U - Novel plug valve sealing structure - Google Patents
Novel plug valve sealing structure Download PDFInfo
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- CN210344632U CN210344632U CN201921248393.2U CN201921248393U CN210344632U CN 210344632 U CN210344632 U CN 210344632U CN 201921248393 U CN201921248393 U CN 201921248393U CN 210344632 U CN210344632 U CN 210344632U
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Abstract
The utility model relates to a valve field discloses a novel pull out and insert valve seal structure, including pulling out the plug connector, fixed joint and fixed external member, the lower extreme of fixed external member is fixed at the fixed joint surface, the upper end of fixed external member is for pulling out the plug connector's surface and insert the relation of connection, it is provided with through the last drainage device who pulls out plug connector lower port to pull out plug connector inner chamber lower extreme, be provided with the lower drainage device through inside compression switch-on fixed joint upper end in the fixed joint, it can compress each other and make when inserting preset position in the fixed external member simultaneously to pull out plug connector and fixed joint and pull out drainage device down and make and pull out plug connector and fixed joint switch-on to pull out drainage device. Before the plugging and unplugging connector is not inserted into the fixed sleeve, the plugging and unplugging connector and the fixed connector are respectively kept in a closed state, the plugging and unplugging connector and the fixed connector are fixed in the fixed sleeve, namely are communicated, the operation is convenient, the plugging and unplugging connector can be used without closing a switch, and the fluid pipeline is connected when the plugging and unplugging connector is inserted into a fixed position.
Description
Technical Field
The utility model relates to a valve, in particular to novel pull out and insert valve seal structure.
Background
Valves are devices for controlling the direction, pressure, and flow rate of fluid in fluid systems, and are devices capable of controlling the flow rate of fluid by causing or stopping the flow of a medium in pipes and equipment. In order to make use of the valve which is convenient to use and can be plugged quickly, the existing plugging valve adopts a novel design on a sealing structure after being plugged, two ports to be plugged are not sealed, the plugging operation can be carried out only by turning off a circulation switch in a pipeline in the operation process, and the use and maintenance process is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a novel pull out and insert valve seal structure.
The utility model provides a technical scheme that its technical problem adopted is: the lower end of the fixed external member is fixed on the outer surface of the fixed joint, the upper end of the fixed external member and the outer surface of the pull-plug joint are in pull-plug connection, an upper drainage device communicated with the lower port of the pull-plug joint through inward compression is arranged at the lower end of the inner cavity of the pull-plug joint, a lower drainage device communicated with the upper end of the fixed joint through inward compression is arranged in the fixed joint, and the upper drainage device and the lower drainage device can be mutually compressed and communicated with the pull-plug joint and the fixed joint when the pull-plug joint and the fixed joint are simultaneously connected into preset positions in the fixed external member. Before the plug-in connector is not inserted into the fixed sleeve, the plug-in connector and the fixed connector are respectively kept in a closed state; after the plugging joint is inserted into a preset position in the fixed sleeve, the plugging joint and the fixed joint are communicated in the fixed sleeve, the operation is convenient, the plugging joint can be used without closing a switch, and the fluid pipeline is connected by insertion.
Further, the method comprises the following steps: the upper drainage device comprises a first spring limiting ring, a plug-in connector sealing spring and a plug-in connector fluid-discharge head, the first spring limiting ring, the plug-in connector sealing spring and the plug-in connector fluid-discharge head are sequentially arranged in an inner cavity of the plug-in connector, a circular upper sealing plate is arranged at the tail end of the plug-in connector fluid-discharge head, a third sealing device is fixed at the upper end of the outer ring surface of the upper sealing plate, the outer diameter of the upper sealing plate is smaller than the inner diameter of a terminal interface of the plug-in connector, the outer diameter of the third sealing device is larger than the inner diameter of the terminal interface of the plug-in connector, the first spring limiting ring is fixed in the inner cavity of the plug-in connector, and the. The pull-plug connector is in a closed state before the pull-plug connector is not combined with the fixed connector.
Further, the method comprises the following steps: a fourth sealing device is arranged between the tail end of the fixed sleeve and the outer surface of the fixed joint, an annular table is arranged on the fixed joint, the lower liquid discharging device comprises a fixed joint sealing spring, a lower cavity liquid discharging head and an annular sealing plate, the lower cavity liquid discharging head is arranged in the middle of the annular table, the outer diameter of the bottom of the lower cavity liquid discharging head is smaller than that of the annular table, a lower sealing plate is arranged at the tail end of the lower cavity liquid discharging head, the annular sealing plate is arranged on the outer lower side of the lower sealing plate, the lower sealing plate is a round table with a large upper surface and a small lower surface, the outer diameter of the upper surface of the lower sealing plate is smaller than that of the annular sealing plate, a fifth sealing device and a sixth sealing device are respectively arranged on the outer ring surface and the inner ring surface of the annular sealing plate, an inwardly protruding first limiting ring of the fixed sleeve is arranged on the inner wall of the fixed sleeve, and an opposite The outer diameter of the fifth sealing device is smaller than the inner diameter of the fixed sleeve, the outer diameter of the fifth sealing device is larger than the inner diameter of the first limiting ring of the fixed sleeve, the inner diameter of the sixth sealing device is larger than the outer diameter of the lower surface of the lower sealing plate, the inner diameter of the sixth sealing device is smaller than the outer diameter of the upper surface of the lower sealing plate, and the fixed joint sealing spring is arranged between the annular table and the annular sealing plate in a compressed state. The fixed contact is closed before the pluggable contact is not coupled to the fixed contact.
Further, the method comprises the following steps: and a second sealing device which forms a seal with the outer surface of the lower end of the plug-in connector is arranged on the first limiting ring of the fixed sleeve. After the plug connector is not combined with the fixed connector, the lower end of the plug connector, the upper end of the fixed connector and the inner cavity of the fixed sleeve form a sealed space.
Further, the method comprises the following steps: the upper cavity liquid discharging head is provided with a cavity and a plurality of upper cavity liquid discharging holes communicated with the inner cavity, the lower cavity liquid discharging head is provided with a cavity communicated with the annular table and a plurality of lower cavity liquid discharging holes communicated with the cavity, a section of uniform cylinder is arranged below the lower cavity liquid discharging holes, the outer diameter of the upper surface of the lower sealing plate is smaller than the outer diameter of the upper sealing plate, the inner diameter of a terminal interface of the plug-in connector is larger than the inner diameter of the annular sealing plate, the outer diameter of the lower end of the plug-in connector is smaller than the outer diameter of the inner diameter of the annular sealing plate, and the depth of the fixed position of the plug-in connector in the fixed external member is larger than. After the plug connector is not combined with the fixed connector, the plug connector is communicated with a cavity in the fixed connector through a lower cavity liquid discharge hole and an upper cavity liquid discharge hole, and liquid can flow through the plug connector and the fixed connector.
Drawings
FIG. 1 is a cross-sectional view of the present invention after being assembled;
FIG. 2 is a cross-sectional view of the male and female connector;
fig. 3 is a sectional view of the combination of the fixing joint and the fixing kit.
Labeled as: the plug-in connector comprises a plug-in connector 100, a first spring limiting ring 140, a plug-in connector sealing spring 150, an upper drainage device 160, an upper cavity drainage head 161, an upper cavity drainage hole 162, an upper sealing plate 163, a third sealing device 164, a fixed connector 200, a fourth sealing device 211, an annular table 212, a fixed connector sealing spring 220, a lower drainage device 230, a lower sealing plate 231, a lower cavity drainage hole 232, a cylinder 233, a lower cavity drainage head 234, an annular sealing plate 240, a fifth sealing device 241, a sixth sealing device 242, a fixed kit 300, a second sealing device 320, a fixed kit first limiting ring 321, a fixed kit second limiting ring second sealing device 220, a fixed kit second,
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The novel plug valve sealing structure shown in fig. 1 comprises a plug connector 100, a fixed connector 200 and a fixed kit 300, wherein the lower end of the fixed kit 300 is fixed on the outer surface of the fixed connector 200, the upper end of the fixed kit 300 is in plug connection with the outer surface of the plug connector 100, the lower end of the inner cavity of the plug connector 100 is provided with an upper drainage device 160 which is communicated with the lower port of the plug connector 100 through inward compression, the fixed connector 200 is internally provided with a lower drainage device 230 which is communicated with the upper end of the fixed connector 200 through inward compression, and the upper drainage device 160 and the lower drainage device 230 can be compressed mutually and the plug connector 100 and the fixed connector 200 are communicated when the plug connector 100 and the fixed connector 200 are simultaneously connected to preset positions in the fixed kit 300. Each of the plug and socket connectors 100 is kept in a sealed state until the plug and socket connectors are not inserted into the fixing kit 300; when the plug 100 is inserted into the fixing sleeve 300, the upper drainage device 160 and the lower drainage device are compressed and conducted with each other, so that the plug 100 and the fixing 200 are communicated in the fixing sleeve 300.
On the basis of the above, as shown in fig. 1 and fig. 2, the upper drainage device 160 includes a first spring retaining ring 140, a plug-in connector sealing spring 150, and an upper cavity drainage head 161, which are sequentially disposed in the inner cavity of the plug-in connector 100, a circular upper sealing plate 163 is disposed at the end of the upper cavity drainage head 161, a third sealing device 164 is fixed at the upper end of the outer annular surface of the upper sealing plate 163, the outer diameter of the upper sealing plate 163 is smaller than the inner diameter of the end interface of the plug-in connector 100, the outer diameter of the third sealing device 164 is larger than the inner diameter of the end interface of the plug-in connector 100, the first spring retaining ring 140 is fixed in the inner cavity of the plug-in connector 100, and the plug-in connector sealing spring 150 is disposed in a compressed state between the first spring retaining ring 140 and the upper end of the upper cavity drainage head. Before the plug-in connector 100 is not combined with the fixed connector 200, the plug-in connector sealing spring 150 applies a force to the upper cavity liquid discharge head 161 towards the lower end of the plug-in connector 100, the upper sealing plate 163 at the tail end of the upper cavity liquid discharge head 161 is subjected to an outward force, the upper sealing plate 163 along with the third sealing device 164 at the upper end of the upper sealing plate 163 is clamped at the tail end interface of the plug-in connector 100, the third sealing device 164 is fixed on the sealing plate 163 and is always subjected to the outward force of the spring, the third sealing device 164 is tightly contacted with the tail end interface of the plug-in connector 100, the third sealing device 164 and the upper sealing plate 163 seal the tail end interface of the plug-in connector 100, and the plug-in connector 100 is in a closed state before the plug-in connector. The third sealing device 164 may be a circular rubber ring with good elasticity and toughness, an arc-shaped recessed annular groove with a radius slightly larger than the inner diameter of the circular rubber ring is arranged at the upper end of the upper sealing plate 163, the depth of the annular groove is the same as the cylindrical radius of the circular rubber ring, the circular rubber ring is sleeved on the annular groove, the tail end of the plug-in connector 100 is a contracted circular opening, and the inner diameter of the circular opening is slightly larger than the inner diameter of the upper sealing plate 163, so that the sealing plate 163 and the circular opening at the tail end of the plug-in connector 100 are sealed by the circular rubber ring, and the sealing plate 163 is prevented from being ejected out from the cavity. The third sealing device 164 may also be other devices that achieve a similar sealing and restraining effect.
On the basis of the above, as shown in fig. 1 and 3, a fourth sealing device 211 is disposed between the end of the fixing kit 300 and the outer surface of the fixing joint 200, the fixing joint 200 is provided with an annular table 212, the lower drainage device 230 includes a fixing joint sealing spring 220, a lower cavity drainage head 234 and an annular sealing plate 240, the lower cavity drainage head 234 is disposed at the middle part of the annular table 212, the outer diameter of the bottom part is smaller than the outer diameter of the annular table 212, the end of the lower cavity drainage head 234 is provided with a lower sealing plate 231, the annular sealing plate 240 is disposed at the outer lower side of the lower sealing plate 231, the lower sealing plate 231 is a circular truncated cone with a large upper surface and a small lower surface, the outer diameter of the upper sealing plate 231 is smaller than the inner diameter of the annular sealing plate 240, and the fifth sealing device 241 and the sixth sealing device 242 are disposed on the outer annular surface and, the inner wall of the fixed sleeve 300 is provided with a first limiting ring 321 of the fixed sleeve, which protrudes inwards, a lower transition inclined surface, which corresponds to the circular truncated cone inclined surface of the lower sealing plate 231 and has an opposite direction, is arranged between the lower end of the first limiting ring 321 of the fixed sleeve and the inner wall of the fixed sleeve 300, the outer diameter of the fifth sealing device 241 is smaller than the inner diameter of the fixed sleeve 300, the outer diameter of the fifth sealing device 241 is larger than the inner diameter of the first limiting ring 321 of the fixed sleeve, the inner diameter of the sixth sealing device 242 is larger than the outer diameter of the lower surface of the lower sealing plate 231, the inner diameter of the sixth sealing device 242 is smaller than the outer diameter of the upper surface of the lower sealing plate 231, and the fixed joint sealing spring 220 is arranged between the. Before the pull-plug connector 100 is not combined with the fixed connector 200, the fixed connector sealing spring 220 always applies an upward force to the annular sealing plate 240, so that the fifth sealing device 241 and the sixth sealing device 242 fixed on the inner and outer surfaces of the annular sealing plate 240 are respectively in close contact with the lower transition inclined surface of the first limiting ring 321 of the fixed kit and the inclined surface of the circular truncated cone of the lower sealing plate 231, the interior of the fixed kit 300 forms a seal with the lower sealing plate 231 at the upper end of the fixed connector 200 through the annular sealing plate 240, the fifth sealing device 241 and the sixth sealing device 242, the lower end of the fixed kit 300 forms a seal with the middle of the outer surface of the fixed connector 200 through the fourth sealing device 211, and the fixed connector 200 is in a closed state before the pull-plug connector 100 is not combined with the. The fourth sealing device 211, the fifth sealing device 241 and the sixth sealing device 242 may be elastic rubber rings with good elasticity and toughness, or may be other devices capable of achieving similar sealing and limiting effects.
In addition, as shown in fig. 1, a second sealing device 320 for sealing with the outer surface of the lower end of the plug 100 is disposed on the first limiting ring 321 of the fixing kit. After the plug 100 is not combined with the fixed connector 200, the lower end of the plug 100 and the upper end of the fixed connector 200 form a sealed space with the inner cavity of the fixed sleeve 300. The second sealing device 320 may be an elastic rubber ring with good elasticity and toughness, or may be other devices capable of achieving similar sealing and limiting effects.
On the basis of the above, as shown in fig. 1 to 3, the upper cavity liquid discharge head 161 is provided with a cavity and a plurality of upper cavity liquid discharge holes 162 communicated with the internal cavity, the lower cavity liquid discharge head 234 is provided with a cavity communicated with the annular table 212 and a plurality of lower cavity liquid discharge holes 232 communicated with the cavity, a section of uniform cylinder 233 is arranged below the lower cavity liquid discharge holes 232, the outer diameter of the upper surface of the lower sealing plate 231 is smaller than the outer diameter of the upper sealing plate 163, the inner diameter of the terminal interface of the plug-in connector 100 is larger than the inner diameter of the annular sealing plate 240, the outer diameter of the lower end of the plug-in connector 100 is smaller than the outer diameter of the inner diameter of the annular sealing plate 240, and the depth of the fixed position of the plug-in connector 100 in the fixed sleeve 300 is larger than. In the process that the plug 100 is not combined with the fixed joint 200, the tail end of the plug 100 applies a downward force to the annular sealing plate 240, the fixed joint sealing spring 220 is stressed to contract, the plug 100 and the annular sealing plate 240 move downwards simultaneously, the upper sealing plate 163 is in contact with the lower sealing plate 231 and generates an interaction force with the downward movement of the plug 100, the lower sealing plate 231 is fixed, the upper sealing plate 163 is stressed to compress the plug sealing spring 150 to contract, the lower cavity drain 234 enters the lower end cavity of the plug 100, the lower cavity drain hole 232 and the upper cavity drain hole 161 are both positioned in the lower end cavity of the plug 100, the cavities in the plug 100 and the fixed joint 200 are communicated through the lower cavity drain hole 232 and the upper cavity drain hole 161, and liquid can flow through the cavities.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a novel pull out and insert valve seal structure which characterized in that: the outer-cavity liquid drainage device comprises a plug-in connector (100), a fixed connector (200) and a fixed kit (300), wherein the lower end of the fixed kit (300) is fixed on the outer surface of the fixed connector (200), the upper end of the fixed kit (300) is in plug-in connection with the outer surface of the plug-in connector (100), an upper liquid drainage device (160) communicated with the lower port of the plug-in connector (100) through inward compression is arranged at the lower end of the inner cavity of the plug-in connector (100), a lower liquid drainage device (230) communicated with the upper end of the fixed connector (200) through inward compression is arranged in the fixed connector (200), and when the plug-in connector (100) and the fixed connector (200) are simultaneously connected into preset positions in the fixed kit (300), the upper liquid drainage device (160) and the lower liquid drainage device (230) can be mutually compressed and the plug-in connector (100).
2. The novel plug valve sealing structure according to claim 1, wherein the upper drainage device (160) comprises a first spring limiting ring (140), a plug sealing spring (150) and an upper cavity drainage head (161) which are arranged in sequence in the inner cavity of the plug (100), the tail end of the upper cavity liquid discharge head (161) is provided with a circular upper sealing plate (163), a third sealing device (164) is fixed at the upper end of the outer annular surface of the upper sealing plate (163), the outer diameter of the upper sealing plate (163) is smaller than the inner diameter of the terminal interface of the plug-in connector (100), the outer diameter of the third sealing device (164) is larger than the inner diameter of the end interface of the pull-plug joint (100), the first spring limiting ring (140) is fixed in the inner cavity of the plug-in connector (100), the plug-in connector sealing spring (150) is arranged between the first spring limiting ring (140) and the upper cavity liquid discharge head (161) in a compressed state.
3. The novel plug-in valve sealing structure of claim 2, wherein a fourth sealing device (211) is arranged between the end of the fixed sleeve (300) and the outer surface of the fixed joint (200), an annular table (212) is arranged on the fixed joint (200), the lower drainage device (230) comprises a fixed joint sealing spring (220), a lower cavity drainage head (234) and an annular sealing plate (240), the lower cavity drainage head (234) is arranged in the middle of the annular table (212), the outer diameter of the bottom of the lower cavity drainage head is smaller than the outer diameter of the annular table (212), the end of the lower cavity drainage head (234) is provided with a lower sealing plate (231), the annular sealing plate (240) is arranged on the outer lower side of the lower sealing plate (231), the lower sealing plate (231) is a circular table with a large upper surface and a small lower surface, the outer diameter of the upper surface of the lower sealing plate (231) is smaller than the inner diameter of the annular sealing plate, the sealing structure is characterized in that a fifth sealing device (241) and a sixth sealing device (242) are respectively arranged on the outer annular surface and the inner annular surface of the annular sealing plate (240), a first limiting ring (321) of the fixing sleeve protruding inwards is arranged on the inner wall of the fixing sleeve (300), a lower transition inclined surface corresponding to the circular truncated cone inclined surface of the lower sealing plate (231) and opposite in direction is arranged between the lower end of the first limiting ring (321) of the fixing sleeve and the inner wall of the fixing sleeve (300), the outer diameter of the fifth sealing device (241) is smaller than the inner diameter of the fixing sleeve (300), the outer diameter of the fifth sealing device (241) is larger than the inner diameter of the first limiting ring (321) of the fixing sleeve, the inner diameter of the sixth sealing device (242) is larger than the outer diameter of the lower surface of the lower sealing plate (231), the inner diameter of the sixth sealing device (242) is smaller than the outer diameter of the upper surface of the lower sealing plate (231), and the sealing spring (220) of the fixing joint is In the meantime.
4. The novel plug valve sealing structure according to claim 3, wherein a second sealing device (320) forming a seal with the outer surface of the lower end of the plug joint (100) is arranged on the first limiting ring (321) of the fixing kit.
5. The novel plug-in valve sealing structure of claim 4, wherein the upper cavity liquid discharge head (161) is provided with a cavity and a plurality of upper cavity liquid discharge holes (162) communicated with the inner cavity, the lower cavity liquid discharge head (234) is provided with a cavity communicated with the annular table (212) and a plurality of lower cavity liquid discharge holes (232) communicated with the cavity, a section of uniform cylinder (233) is arranged below the lower cavity liquid discharge hole (232), the outer diameter of the upper surface of the lower sealing plate (231) is smaller than the outer diameter of the upper sealing plate (163), the inner diameter of the end interface of the plug-in connector (100) is larger than that of the annular sealing plate (240), the outer diameter of the lower end of the plug-in connector (100) is smaller than the outer diameter of the inner diameter of the annular sealing plate (240), the depth of the fixing position of the plug-in connector (100) in the fixing sleeve (300) is larger than the distance from the upper end of the fixing sleeve (300) to the upper end of the cylinder (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248393.2U CN210344632U (en) | 2019-08-02 | 2019-08-02 | Novel plug valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248393.2U CN210344632U (en) | 2019-08-02 | 2019-08-02 | Novel plug valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344632U true CN210344632U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248393.2U Active CN210344632U (en) | 2019-08-02 | 2019-08-02 | Novel plug valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510629A (en) * | 2021-09-15 | 2021-10-19 | 徐州高鑫电子科技有限公司 | Deburring machine for injection molded filter screen frame cover of air purifier |
-
2019
- 2019-08-02 CN CN201921248393.2U patent/CN210344632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510629A (en) * | 2021-09-15 | 2021-10-19 | 徐州高鑫电子科技有限公司 | Deburring machine for injection molded filter screen frame cover of air purifier |
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Effective date of registration: 20211021 Address after: 215000 friendship Industrial Park, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Aoxuan Precision Technology Co.,Ltd. Address before: 215000 Building 2, No.5, yueximulin Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Xufei Precision Machinery Co.,Ltd. |