CN210860217U - Novel bidirectional closed plug valve - Google Patents
Novel bidirectional closed plug valve Download PDFInfo
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- CN210860217U CN210860217U CN201921247906.8U CN201921247906U CN210860217U CN 210860217 U CN210860217 U CN 210860217U CN 201921247906 U CN201921247906 U CN 201921247906U CN 210860217 U CN210860217 U CN 210860217U
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Abstract
The utility model relates to a valve field discloses a novel two-way seal connects and inserts valve, including pulling out joint, fixed external member and base, two fixed joint's lower extreme branches are fixed on the base, the lower extreme setting of fixed external member is at fixed joint's surface, it is provided with through the interior compression switch-on and pulls out the last cavity leakage fluid dram of joint lower port to pull out joint inner chamber lower extreme, be provided with fixed lower cavity leakage fluid dram in the fixed joint and through the annular seal plate of cavity leakage fluid dram under the downward compression switch-on, pull out the joint and can insert the upper end of fixed external member and put through with the fixed joint. Before the plug connector is not inserted into the fixed external member, the plug connector and the fixed connector are respectively kept in a closed state, and are fixedly communicated with each other in the fixed external member, so that the operation is convenient, the plug connector and the fixed connector can be used without closing a switch, the fluid pipeline is connected by inserting the fixed position, and the bidirectional pipeline realizes the overall control of inflow and outflow fluid.
Description
Technical Field
The utility model relates to a valve, in particular to novel two-way seal connects spigot valve.
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 two-way seal connects plug valve.
The utility model provides a technical scheme that its technical problem adopted is: the lower ends of the two fixed joints are fixed on the base, the lower end of the fixed sleeve is fixed on the outer surface of the fixed joint, the upper end of the fixed sleeve and the outer surface of the plug joint are in plug connection, an upper drainage device communicated with the lower port of the plug joint through inward compression is arranged at the lower end of the inner cavity of the 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 plug joint and the fixed joint when the plug joint and the fixed joint are simultaneously connected into preset positions in the fixed sleeve. 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 plug connector is inserted into a preset position in the fixed sleeve, the plug connector and the fixed connector are communicated in the fixed sleeve, the operation is convenient, the switch does not need to be turned off, the fluid pipeline is connected by insertion, and the bidirectional pipeline realizes the overall control of inflow and outflow fluid.
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.
Further, the method comprises the following steps: the middle part of the plug connector is provided with a plug connector limiting ring, the upper end of the fixed external member is provided with a locking device matched with the plug connector limiting ring and an unlocking device for controlling the locking position, and the lower end of the fixed external member is fixed at the lower end of the fixed connector through threads. The plug connector is convenient to plug in and pull out in the fixed external member, and the fixed connector and the fixed external member are convenient to assemble and disassemble.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the pull-plug connector, the fixing connector and the fixing kit after combination;
FIG. 3 is a cross-sectional view of the male and female connector;
FIG. 4 is a cross-sectional view of the combination of the fixed joint and the fixed sleeve;
FIG. 5 is a first cross-sectional view of the fixation assembly;
fig. 6 is a second cross-sectional view of the fixation assembly.
Labeled as: the plug-in connector comprises a plug-in connector 100, a plug-in connector limiting ring 120, 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 latch 310, a second sealing device 320, a fixed kit first limiting ring 321, an unlocking device 330 and a base 400.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The novel bidirectional closed plug-in valve shown in fig. 1 and 2 comprises a plug-in connector 100, two fixed connectors 200, a fixed kit 300 and a base 400, wherein the lower ends of the two fixed connectors 200 are respectively fixed on the base 400, 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 drainage device 160 which is connected 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 drainage device 230 which is connected with the upper end of the fixed connector 200 through inward compression is arranged in the fixed connector 200, and the upper drainage device 160 and the lower drainage device 230 can be compressed mutually and connect the plug-in connector 100 and the fixed connector 200 when the plug-in connector 100 and the fixed connector 200 are simultaneously connected to the lower. 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. The bidirectional pipeline realizes the overall control of inflow and outflow fluid.
On the basis of the above, as shown in fig. 1 to 3, the upper drainage device 160 includes a first spring limiting ring 140, a plug-in connector sealing spring 150 and an upper cavity drainage head 161, which are sequentially arranged in the inner cavity of the plug-in connector 100, a circular upper sealing plate 163 is arranged 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 limiting ring 140 is fixed in the inner cavity of the plug-in connector 100, and the plug-in connector sealing spring 150 is arranged in a compressed state between the first spring limiting ring 140 and the upper end of the upper cavity drainage head 161. 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 4, 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. 2, 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. 2 to 4, 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 end 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.
On the basis, as shown in fig. 1 to 4, the middle portion of the plug 100 is provided with the plug spacing ring 120, the upper end of the fixing kit 300 is provided with a latch 310 matched with the plug spacing ring 120 and an unlocking device 330 for controlling the position of the latch 310, and the lower end of the fixing kit 300 is fixed at the lower end of the fixing joint 200 through threads. The plug-pull connector 100 can be easily plugged into the fixing kit 300, and the fixing connector 200 and the fixing kit 300 can be easily assembled and disassembled. The latch 310 may be a steel ball matched with the bayonet joint stopper 120, the unlocking means 330 may be an automatic return spring housing for controlling the ball, eight holes with uniform distance are provided on the annular wall of the upper end of the fixing kit 300, wherein three groups of corresponding holes are round holes 311 with small inner walls and large outer walls, the other group of corresponding holes are combined holes 312 with small inner walls and large outer walls, the diameter of the steel ball 310 is larger than that of the round hole 311, the diameter of the steel ball 310 is smaller than that of the round hole 311, the diameter of the steel ball 310 is larger than that of the round hole on the inner wall of the combined hole and the rectangular hole in the middle, the diameter of the steel ball 310 is smaller than that of the round hole on the outer wall of the combined hole and the rectangular hole in the middle, that is, the steel ball 310 can roll in the hole of the upper end wall of the fixing sleeve 300, and can roll out from the outer wall hole but only partially roll inwards; the middle part of the automatic reset spring sleeve 330 is provided with a brake ring 331 protruding inwards, the fixed sleeve 300 is provided with a spring limiting ring 350 and an annular non-closed steel ring 360 limiting the downward movement of the spring limiting ring 350, a compressed automatic reset spring 340 is arranged between the brake ring 331 and the spring limiting ring 350, the automatic reset spring 340 applies upward force to the brake ring 331, the upper end of the brake ring 331 is clamped by steel balls 310 in the combination holes 312, the position of the automatic reset spring sleeve 330 is limited, when the plug-in connector 100 is inserted into the fixed sleeve 300, the plug-in connector limiting ring 120 on the plug-in connector 100 presses down the steel balls 310 in the combination holes 312, the steel balls 310 in the combination holes 312 press down the brake ring 331 to move, the brake ring 331 is moved away from the round holes 311 and the combination holes 312 in the downward moving process of the brake ring 331 until the steel balls protruding inwards in the combination holes 312 can roll into the combination holes 312 to protrude outwards, at this time, the steel balls in the circular hole 311 and the combination hole 312 can roll to protrude outwards in the holes, so that the plug-in connector limiting ring 120 is not limited, the plug-in connector limiting ring 120 can be inserted to a preset position, the plug-in connector limiting ring 120 is removed from the inner walls of the circular hole 311 and the combination hole 312 after being inserted to the preset position, the automatic return spring 340 exerts an upward force on the braking ring 331, the braking ring 331 pushes the steel balls 310 in the circular hole 311 and the combination hole 312 to protrude towards the inner wall, the steel balls 310 in the combination hole 312 move upwards along with the braking ring 331 until being clamped by the upper end of the combination hole 312, the upper end of the braking ring 331 is clamped by the steel balls 310 in the combination hole 312, the automatic return spring sleeve 330 resets, and at this time, the steel balls 310 in the circular hole 311 and the combination hole 312 are all positioned above the plug-in connector limiting ring 120, so that the plug. When the plug 100 is to be pulled out, the automatic return spring sleeve 330 can be moved downwards by hand, the brake ring 331 leaves the circular hole 311 and the combination hole 312, the steel balls 310 in the circular hole 311 and the combination hole 312 can roll towards the outer wall, no limitation is imposed on the plug spacing ring 120, and the plug 100 can be pulled out. Other devices for locking the plug-in connector 100 and facilitating unlocking may also be provided on the fixing kit 300.
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 (6)
1. The utility model provides a novel two-way seal connects valve which characterized in that: comprises a plug-in connector (100), a fixed connector (200), a fixed sleeve (300) and a base (400), the lower ends of the two fixed joints (200) are fixed on the base (400) in a subsection manner, the lower end of the fixed sleeve (300) is fixed on the outer surface of the fixed joint (200), the upper end of the fixed sleeve (300) is connected with the outer surface of the plug-in connector (100) in a plug-in connection manner, the lower end of the inner cavity of the plug-in connector (100) is provided with an upper drainage device (160) which is communicated with the lower port of the plug-in connector (100) through inward compression, a lower drainage device (230) which is communicated with the upper end of the fixed joint (200) through inward compression is arranged in the fixed joint (200), when the plug-pull connector (100) and the fixed connector (200) are simultaneously connected to preset positions in the fixed sleeve (300), the upper drainage device (160) and the lower drainage device (230) are mutually compressed, and the plug-pull connector (100) is communicated with the fixed connector (200).
2. The novel two-way closed plug-in valve of claim 1, wherein the upper drainage device (160) comprises a first spring limiting ring (140), a plug-in connector sealing spring (150) and an upper cavity drainage head (161) which are sequentially arranged in the inner cavity of the plug-in connector (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 bidirectional closed plug-in valve according to 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), the fixed joint (200) is provided with an annular table (212), 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, and the outer diameter of the upper surface of the lower sealing plate (231) is smaller than the inner diameter of the annular, 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 bidirectional closed plugging valve according to claim 3, wherein a second sealing device (320) forming a seal with the outer surface of the lower end of the plugging connector (100) is arranged on the first limiting ring (321) of the fixing kit.
5. The novel two-way sealing plug-in valve 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).
6. The novel bidirectional closed plugging valve according to claim 5, wherein a plugging and unplugging joint limiting ring (120) is arranged in the middle of the plugging and unplugging joint (100), a locking and unplugging device (310) matched with the plugging and unplugging joint limiting ring (120) and an unlocking device (330) for controlling the position of the locking and unplugging joint (310) are arranged at the upper end of the fixed sleeve (300), and the lower end of the fixed sleeve (300) is fixed at the lower end of the fixed joint (200) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247906.8U CN210860217U (en) | 2019-08-02 | 2019-08-02 | Novel bidirectional closed plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247906.8U CN210860217U (en) | 2019-08-02 | 2019-08-02 | Novel bidirectional closed plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210860217U true CN210860217U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921247906.8U Active CN210860217U (en) | 2019-08-02 | 2019-08-02 | Novel bidirectional closed plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210860217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081799A (en) * | 2020-10-19 | 2020-12-15 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
-
2019
- 2019-08-02 CN CN201921247906.8U patent/CN210860217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081799A (en) * | 2020-10-19 | 2020-12-15 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
| CN112081799B (en) * | 2020-10-19 | 2022-02-08 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211022 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. |
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| TR01 | Transfer of patent right |