CN213576169U - Lower plug with balance function - Google Patents
Lower plug with balance function Download PDFInfo
- Publication number
- CN213576169U CN213576169U CN202022140934.9U CN202022140934U CN213576169U CN 213576169 U CN213576169 U CN 213576169U CN 202022140934 U CN202022140934 U CN 202022140934U CN 213576169 U CN213576169 U CN 213576169U
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- main shaft
- shell
- fixedly connected
- gland
- pull rod
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Abstract
The utility model provides a take lower stifled ware of balanced function, including main shaft and shell, the embedding is provided with the main shaft in the shell, and the main shaft surface nestification is provided with the bearing, and the bottom embedding of main shaft is provided with the location, and the threaded connection of shell has the gland, and the central department threaded connection of gland has the marker post, the big hand (hold) of upper end fixedly connected with of marker post, the terminal fixedly connected with little hand (hold) in top of marker post, the fixedly connected with pull rod of gland, the stifled handle of the terminal fixedly connected with in bottom of pull rod. The lower blocking device with the balance function is used by matching the main shaft, the shell, the positioning pin, the pull rod, the blocking handle and the balance interface, the positioning pin is arranged at the joint of the main shaft and the shell to play a role in guiding, the pull rod is used for conveying the blocking handle into a pipe fitting element along with the main shaft, and when a medium in the pipe acts upwards, hydraulic oil with the same pressure is introduced into the balance interface of the shell to stabilize the upper pressure and the lower pressure, so that the lower blocking in a balance state is realized.
Description
Technical Field
The utility model relates to a take area to press under the trompil stifled technical field specifically to a take stifled ware down of balanced function.
Background
With the development of economy, industries needing gas and used in production and life are more and more extensive. Especially in medium and large-sized cities, the stability and the strain capacity of a gas supply system have increasingly prominent influence on daily production and life of people.
However, the existing lower blocking device is not provided with a balance system, is difficult to operate under the condition that a pipeline has a medium, and is additionally provided with the balance system to realize lower blocking under the condition of pressure stabilization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a lower blocking device with a balance function.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take lower stifled ware of balanced function, includes main shaft and shell, the embedding is provided with the main shaft in the shell, the nested bearing that is provided with of main shaft surface, the bottom embedding of main shaft is provided with the location, the threaded connection of shell has the gland, the central department threaded connection of gland has the marker post, the big hand (hold) of upper end fixedly connected with of marker post, the terminal fixedly connected with little hand (hold) in top of marker post, the fixedly connected with pull rod of gland, the stifled handle of the terminal fixedly connected with in bottom of pull rod, the bottom one side embedding of shell is provided with balanced interface, the surface nesting of main shaft is provided with the lead screw.
Preferably, the spindle and the housing form an annular cavity.
Preferably, the marking rod is marked with scales.
Preferably, the upper end of the main shaft is provided with an O-shaped ring.
Preferably, the main shaft and the screw rod are through a trapezoidal thread pair.
Preferably, the outer surface of the blocking handle is provided with a sealing ring.
The utility model provides a take lower stifled ware of balanced function. The method has the following beneficial effects: the lower blocking device with the balance function is used by matching the main shaft, the shell, the positioning pin, the pull rod, the blocking handle and the balance interface, the positioning pin is arranged at the joint of the main shaft and the shell to play a role in guiding, the pull rod is used for conveying the blocking handle into a pipe fitting element along with the main shaft, and when a medium in the pipe acts upwards, hydraulic oil with the same pressure is introduced into the balance interface of the shell to stabilize the upper pressure and the lower pressure, so that the lower blocking in a balance state is realized.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.
In the figure: 1. a small handle 1; 2. a marker post; 3. a big handle; 4. a gland; 5. a bearing; 6. a balancing interface; 7. a main shaft; 8. a housing; 9. a screw rod; 10. a pull rod; 11. positioning pins; 12. and (6) blocking the handle.
Detailed Description
As shown in fig. 1, the utility model provides a technical solution: the utility model provides a take lower stifled ware of balanced function, including main shaft 7 and shell 8, the embedding is provided with main shaft 7 in the shell 8, the nested bearing 5 that is provided with of main shaft 7 surface, the bottom embedding of main shaft 7 is provided with location 11, the threaded connection of shell 8 has gland 4, the central department threaded connection of gland 4 has marker pole 2, the big hand (hold) of upper end fixedly connected with 3 of marker pole 2, the terminal fixedly connected with little hand (hold) 1 in top of marker pole 2, gland 4's fixedly connected with pull rod 10, the terminal fixedly connected with in bottom of pull rod 10 blocks up handle 12, the embedding of bottom one side of shell 8 is provided with balanced interface 6, the nested lead screw 9 that is provided with of.
Preferably, the main shaft 7 and the housing 8 form an annular cavity, a bearing is arranged for positioning, and the end face is fastened by a screw gland.
Preferably, the marking rod 2 is marked with scales for marking the lower plugging value.
Preferably, the upper end of the main shaft 7 is provided with an O-shaped ring which plays a role of blocking a medium.
Preferably, the main shaft 7 and the screw rod 9 are in trapezoidal thread pair, and the rotation motion is changed into axial motion.
Preferably, the outer surface of the blocking handle 12 is provided with a sealing ring for sealing.
When the device is used, firstly, the small handle 1 is manually turned to fasten the rod 2 to drive the pull rod 10 to screw the plugging handle 12 in a threaded manner, the large handle 3 is rotated, the screw rod 9 converts the rotary motion into linear motion to drive the main shaft 7 to move downwards, the joint of the main shaft 7 and the shell 8 is provided with the positioning pin 11 which plays a guiding role, the pull rod 10 sends the plugging handle 12 into a pipe element along with the main shaft 7, and when a medium in the pipe acts upwards, the balanced interface 6 of the shell 8 is led into hydraulic oil with the same pressure to stabilize the pressure up and down, so that the lower plugging in a balanced state is realized, and the whole process.
Claims (6)
1. The utility model provides a take lower stifled ware of balanced function, includes main shaft (7) and shell (8), the embedding is provided with main shaft (7) in shell (8), its characterized in that: the utility model discloses a balance connector, including main shaft (7), the nested bearing (5) that is provided with of surface, the bottom embedding of main shaft (7) is provided with location (11), the threaded connection of shell (8) has gland (4), the central department threaded connection of gland (4) has marker post (2), the big hand (3) of upper end fixedly connected with of marker post (2), the terminal fixedly connected with little hand (1) in top of marker post (2), the fixedly connected with pull rod (10) of gland (4), the terminal fixedly connected with of bottom of pull rod (10) blocks up handle (12), the bottom one side embedding of shell (8) is provided with balanced interface (6), the surface nesting of main shaft (7) is provided with lead screw (9).
2. The lower plug with the balance function according to claim 1, wherein: the main shaft (7) and the shell (8) form an annular cavity.
3. The lower plug with the balance function according to claim 1, wherein: scales are marked on the marking rod (2).
4. The lower plug with the balance function according to claim 1, wherein: an O-shaped ring is arranged at the upper end of the main shaft (7).
5. The lower plug with the balance function according to claim 1, wherein: the main shaft (7) and the screw rod (9) change the rotary motion into the axial motion through a trapezoidal thread pair.
6. The lower plug with the balance function according to claim 1, wherein: the outer surface of the blocking handle (12) is provided with a sealing ring to play a role in sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022140934.9U CN213576169U (en) | 2020-09-26 | 2020-09-26 | Lower plug with balance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022140934.9U CN213576169U (en) | 2020-09-26 | 2020-09-26 | Lower plug with balance function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213576169U true CN213576169U (en) | 2021-06-29 |
Family
ID=76578477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022140934.9U Active CN213576169U (en) | 2020-09-26 | 2020-09-26 | Lower plug with balance function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213576169U (en) |
-
2020
- 2020-09-26 CN CN202022140934.9U patent/CN213576169U/en active Active
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