CN210550824U - Internal expanding type plug handle, lower plug device and setting device - Google Patents
Internal expanding type plug handle, lower plug device and setting device Download PDFInfo
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- CN210550824U CN210550824U CN201921456189.XU CN201921456189U CN210550824U CN 210550824 U CN210550824 U CN 210550824U CN 201921456189 U CN201921456189 U CN 201921456189U CN 210550824 U CN210550824 U CN 210550824U
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- plug
- handle
- plug handle
- snap ring
- hole
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Abstract
The utility model discloses an interior expanding stopper handle, stopper handle is including stopper handle main part, stopper handle gland, snap ring driving-disc, snap ring push-and-pull board, snap ring. On the other hand, the utility model also discloses a lower blocking device, which comprises a combiner and a lower blocking device, wherein the lower blocking device comprises a stopper handle driving rod, a main lead screw, a lower blocking device shell, a sleeve, a lead screw nut and a shell flange; the coupling includes a bore adapter and a plug shank coupler. In other aspects, the utility model also provides a setting equipment that is formed by the combination of above-mentioned stopper handle and lower stifled device. The internal expanding plug handle, the lower plug device and the setting device provided by the utility model have the advantages that the setting and the extraction of the plug handle are completed manually, the dependence on equipment is reduced, and the setting and the extraction processes are rapid and efficient; and the equipment does not need to drill pin ring clamping holes on the circumference of the three-way flange, thereby reducing sealing links, reducing leakage hidden danger and avoiding weakening the strength of the three-way.
Description
Technical Field
The utility model relates to a pipeline construction equipment field, especially an interior expanding stopper handle, lower stifled device and setting device.
Background
The seat of traditional stopper handle is sealed and is drawed and need the tapping machine to connect the hydraulic pressure station and realize, seals in the seat of traditional stopper handle moreover and need a plurality of snap ring holes of drilling pin at tee bend ring flange circumference, and the technology degree of difficulty is very big, and sealed link is many, reveals hidden danger greatly, can weaken tee bend intensity to some extent moreover.
Therefore, the utility model is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stopper handle is sat and is sealed and draw interior expanding stopper handle of simple efficient of flow, lower stifled device and sit and seal the device.
In order to achieve the purpose, the utility model provides an internal expanding type plug handle, which comprises a plug handle main body, a plug handle gland, a snap ring driving disc, a snap ring push-pull plate and a snap ring; a through hole provided with a check valve is formed in the axial direction of the center of the plug handle main body, and a cylindrical protruding part is formed in the center of the upper part of the plug handle main body; the center of the snap ring driving disc is provided with a square through hole matched with the square head at the lower end of the plug handle driving rod, the edge of the square through hole extends downwards, so that the snap ring driving disc is buckled on the cylindrical protruding part and rotates by taking the cylindrical protruding part as a shaft; the plug handle gland bush is arranged on the outer side of the snap ring driving disc in a sleeved mode, a snap ring push-pull plate and a snap ring are sequentially arranged in a space between the plug handle main body and the plug handle gland from inside to outside, and the snap ring push-pull plate is used for driving the snap ring to move when the snap ring driving disc rotates.
Preferably, a bearing is arranged between the outer edge of the cylindrical protruding part and the clamping ring driving disc.
Preferably, the outer edge of the plug handle main body is provided with an O-shaped ring.
On the other hand, the utility model provides a lower blocking device, which comprises a connector and a lower blocking device;
the lower plugging device comprises a plugging handle driving rod, a main screw rod, a lower plugging device shell, a sleeve, a screw rod nut and a shell flange; the lower end of the plug handle driving rod is provided with a square head, the main screw rod is sleeved on the outer side of the plug handle driving rod, the sleeve is sleeved on the lower part of the outer side of the main screw rod, and the sleeve is provided with at least one group of locking combinations for locking the main screw rod so as to fix the main screw rod and the sleeve; the lower plug shell is sleeved outside the sleeve, the lower end of the lower plug shell is fixed with the shell flange, and the inner side of the upper end of the lower plug shell is provided with a screw nut which is sleeved outside the main screw and is in threaded connection with the main screw;
the connector comprises a hole-opening connector and a plug handle connector, the hole-opening connector is of a cylindrical structure with a closed upper end, the closed upper end of the hole-opening connector is fixedly connected with a shell flange, a protruding edge is formed at the lower end of the hole-opening connector, and a through hole for the sleeve, the main screw rod and the plug handle driving rod to penetrate through is formed in the center of the closed upper end of the hole-opening connector; the plug handle connector is arranged in the cylindrical structure of the tapping adapter and is of a disc-shaped structure with an axial through hole in the center, and the plug handle connector is in threaded connection with the lower end of the main screw rod through the through hole in the center.
Preferably, the upper end of the main screw rod is provided with an end locking nut sleeved outside the plug handle driving rod.
Preferably, a bearing sleeved outside the main screw is further arranged between the screw nut and the sleeve.
Preferably, the connection between the housing flange and the bore adaptor is also provided with a steel octagonal ring for sealing.
In other aspects, the utility model also provides a setting equipment, its characterized in that, setting equipment is formed by foretell stopper handle and the combination of stifled device down of the aforesaid.
The utility model provides an interior expanding stopper handle, lower stifled device and seat seal device have following beneficial effect:
the setting and the extraction of the plug handle are both completed manually, so that the dependence on equipment is reduced, and the setting and the extraction processes are quick and efficient; and the equipment does not need to drill pin ring clamping holes on the circumference of the three-way flange, thereby reducing sealing links, reducing leakage hidden danger and avoiding weakening the strength of the three-way.
Drawings
Fig. 1 is the structural schematic diagram of the setting equipment provided by the utility model.
Fig. 2 is the structural schematic view of the lower plug in the setting device provided by the utility model.
Fig. 3 is a schematic view of a structure of a connector in the setting device provided by the present invention.
Fig. 4 is a schematic view of a plug handle structure in the setting device provided by the present invention.
In the figure:
1. lower stopper 11, plug handle driving rod 12, main screw rod 13, sleeve 14, locking combination 15, lower stopper shell 16, shell flange 17, screw nut 18, end locking nut 19, square head 2, connector 21, opening connector 22, plug handle connector 23, octagonal sealing ring 3, plug handle 31, plug handle main body 32, snap ring driving disk 33, plug handle pressing cover 34, snap ring pushing plate 35, snap ring 36, one-way valve 37 and O-shaped ring 37
Detailed Description
Referring to fig. 1-4, the present invention provides a setting device to complete the setting and extraction process of the plug handle without other devices.
The setting device comprises a plug handle 3, a coupling 2 and a lower plug 1.
Referring to fig. 2, the lower plug 1 includes a plug handle driving rod 11, a main screw 12, a lower plug housing 15, a sleeve 13, a lead screw nut 17 and a housing flange 16.
The lower end of the stopper-shank drive rod 11 is configured with a square head 19 for driving the stopper shank 3.
The main screw 12 is sleeved outside the plug handle driving rod 11, and an end locking nut 18 is arranged at the upper end of the main screw 12 and used for locking and unlocking between the main screw 12 and the plug handle driving rod 11.
The sleeve 13 is sleeved on the lower portion of the outer side of the main screw 12, and at least one group of locking assemblies 14 is arranged on the sleeve 13 and used for locking the main screw 12 so that the main screw 12 is fixed with the sleeve 13.
The lower plug shell 15 is sleeved outside the sleeve 13, the lower end of the lower plug shell is fixed with a shell flange 16, and the inner side of the upper end of the lower plug shell is provided with a screw nut 17 which is sleeved outside the main screw 12 and is in threaded connection with the main screw 12.
Further, the lower plug shell 15 is hollowed out at a corresponding position of the locking assembly 14, so that a space which moves along with the sleeve 13 and the main screw 12 along the axial direction is provided for the locking assembly 14.
A bearing sleeved outside the main screw 12 is further arranged between the screw nut 17 and the sleeve 13 so as to facilitate the rotation of the main screw 12.
Referring to fig. 3, the coupler 2 includes a bore adaptor 21 and a stem adaptor 22.
The tapping adapter 21 is of a cylindrical construction with a closed upper end for fixed connection to the housing flange 16 and a lower end configured with a protruding rim for fixed connection to a pinch valve used in setting.
Further, an octagonal sealing ring 23 is further arranged at the joint of the closed upper end of the hole-opening adapter 21 and the shell flange 16, and is used for enhancing the sealing effect between the hole-opening adapter 21 and the shell flange 16.
The center of the closed upper end of the opening adaptor 21 is provided with a through hole for the bushing 13, the main screw 12 and the stopper rod 11 to pass through.
The plug handle connector 22 is arranged in the cylindrical structure of the hole connector 21 and is a disc-shaped structure with an axial through hole at the center, the plug handle connector 21 is in threaded connection with the lower end of the main screw 12 through the through hole at the center, and a positioning pin for connecting the plug handle 3 and preventing the plug handle 3 and the sleeve 13 from rotating relatively is further arranged on the plug handle connector.
Referring to fig. 4, the plug handle includes a plug handle main body 31, a plug handle gland 33, a snap ring driving disc 32, a snap ring push-pull plate 34, and a snap ring 35.
The plug shank body 31 is formed with a through hole provided with a check valve 38 in the central axial direction for ensuring sealing of the upper and lower regions of the plug shank 3.
The upper center of the plug shank body 31 is configured with a cylindrical protrusion for mounting the snap ring drive disk 32.
The center of the snap ring driving disk 32 is provided with a square through hole matched with the square head 19 at the lower end of the plug handle driving rod 11, the edge of the snap ring driving disk 32 extends downwards, so that the snap ring driving disk 32 is buckled on the cylindrical protrusion part, and the snap ring driving disk 32 rotates by taking the cylindrical protrusion part as an axis.
Further, in order to make the snap ring driving disk 32 rotate more smoothly, a bearing is provided between the outer edge of the cylindrical protrusion and the snap ring driving disk 32.
The plug handle gland 33 is sleeved on the outer side of the clamp ring driving disc 32, a clamp ring push-pull plate 34 and a clamp ring 35 are sequentially arranged in a space between the plug handle main body 31 and the plug handle gland 33 from inside to outside, and the clamp ring push-pull plate 34 is used for driving the clamp ring 35 to move when the clamp ring driving disc 32 rotates.
The plug handle gland 33 is also provided with a through hole or a groove corresponding to the positioning pin on the plug handle connector 22 in position, and the through hole or the groove is used for installing the positioning pin. The installation position of the positioning pin does not conflict with the movement of the snap ring push-pull plate.
Further, in order to improve the sealing performance of the plug handle 3, an O-ring 37 is arranged on the outer edge of the plug handle main body 31.
The utility model provides a setting equipment uses according to following step:
(1) the plug handle driving disc is rotated to withdraw the clamping ring for resetting, so that the plug handle is restored to the original state;
(2) mounting and fixing the plug handle on the plug handle connector;
(3) installing the lower plugging device on the tapping connector through a shell flange, locking a screw nut, rotating a main screw to enable the lower plugging device to receive an original position (the end face of the main screw and the end face of a square head of a driving rod are both arranged inside the end face of a sleeve), and fixing the main screw and a sleeve through a locking combination;
(4) unlocking a screw nut, rotating the screw nut, extending out of a shaft system (a sleeve, a main screw and a plug handle driving rod) to a convenient position, penetrating through a through hole on the tapping adapter, and screwing the lower end thread of the main screw into the through hole in the center of the plug handle adapter;
(5) and (3) downwards extending the plug handle driving rod, inserting the square head at the lower end of the plug handle driving rod into the square hole of the plug handle driving disk, marking an initial angle on the shell, and tightening the end locking nut.
(6) Unlocking the screw nut, rotating the screw nut to enable the plug handle to be completely retracted into the tapping adapter, and mounting the whole set of equipment on the sandwich valve;
(7) opening the balance valve, opening the sandwich valve after the pressures of the upper cavity and the lower cavity are balanced, rotating the lead screw nut to drive the plug handle to move downwards (at the moment, the lead screw is in a locked state), confirming the descending distance of the plug handle by observing the scale mark outside the sleeve, stopping after reaching a preset position, rotating the plug handle driving rod anticlockwise, extending out of the clamping ring to enter the three-way clamping ring groove, and realizing the setting of the plug handle;
(8) after the setting is confirmed to be in place, the end locking nut is loosened, the plug handle driving rod is lifted to the final position, and the square head end of the plug handle driving rod is separated from the square hole of the plug handle driving disk (the plug handle driving rod is forbidden to rotate in the extraction process);
(9) and locking the screw nut, unlocking the main screw, rotating the main screw to a final position, and disconnecting the threaded connection. Then locking the main lead screw, unlocking the lead screw nut, rotating the lead screw nut, lifting the shaft system to the initial position, closing the sandwich valve, and emptying;
(10) and (4) removing the lower blocking mechanism and the sandwich valve of the tee joint, and finally removing the plug handle connector to finish setting.
The setting and extracting processes of the setting and extracting device provided by the utility model are both completed manually, thus reducing the dependence on the device and having quick and efficient setting and extracting processes; and the equipment does not need to drill pin ring clamping holes on the circumference of the three-way flange, thereby reducing sealing links, reducing leakage hidden danger and avoiding weakening the strength of the three-way.
The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An internal expansion type plug handle is characterized by comprising a plug handle main body, a plug handle gland, a clamp ring driving disc, a clamp ring push-pull plate and a clamp ring; a through hole provided with a check valve is formed in the axial direction of the center of the plug handle main body, and a cylindrical protruding part is formed in the center of the upper part of the plug handle main body; the center of the snap ring driving disc is provided with a square through hole matched with the square head at the lower end of the plug handle driving rod, the edge of the square through hole extends downwards, so that the snap ring driving disc is buckled on the cylindrical protruding part and rotates by taking the cylindrical protruding part as a shaft; the plug handle gland bush is arranged on the outer side of the snap ring driving disc in a sleeved mode, a snap ring push-pull plate and a snap ring are sequentially arranged in a space between the plug handle main body and the plug handle gland from inside to outside, and the snap ring push-pull plate is used for driving the snap ring to move when the snap ring driving disc rotates.
2. The internally expanding plug shank according to claim 1, wherein a bearing is provided between the outer edge of the cylindrical protrusion and the snap ring drive disc.
3. The internally expanding plug shank according to claim 1, wherein the plug shank body is provided at its outer edge with an O-ring.
4. The lower blocking device is characterized by comprising a connector and a lower blocking device;
the lower plugging device comprises a plugging handle driving rod, a main screw rod, a lower plugging device shell, a sleeve, a screw rod nut and a shell flange; the lower end of the plug handle driving rod is provided with a square head, the main screw rod is sleeved on the outer side of the plug handle driving rod, the sleeve is sleeved on the lower part of the outer side of the main screw rod, and the sleeve is provided with at least one group of locking combinations for locking the main screw rod so as to fix the main screw rod and the sleeve; the lower plug shell is sleeved outside the sleeve, the lower end of the lower plug shell is fixed with the shell flange, and the inner side of the upper end of the lower plug shell is provided with a screw nut which is sleeved outside the main screw and is in threaded connection with the main screw;
the connector comprises a hole-opening connector and a plug handle connector, the hole-opening connector is of a cylindrical structure with a closed upper end, the closed upper end of the hole-opening connector is fixedly connected with a shell flange, a protruding edge is formed at the lower end of the hole-opening connector, and a through hole for the sleeve, the main screw rod and the plug handle driving rod to penetrate through is formed in the center of the closed upper end of the hole-opening connector; the plug handle connector is arranged in the cylindrical structure of the tapping adapter and is of a disc-shaped structure with an axial through hole in the center, and the plug handle connector is in threaded connection with the lower end of the main screw rod through the through hole in the center.
5. The lower blocking device according to claim 4, wherein the upper end of the main screw rod is provided with an end locking nut which is sleeved outside the driving rod of the plug handle.
6. The lower blocking device according to claim 4, wherein a bearing sleeved outside the main screw is further arranged between the screw nut and the sleeve.
7. A bottom block apparatus according to claim 4 wherein the junction of the housing flange and the bore adapter is further provided with a steel octagonal ring for sealing.
8. Setting device, characterized in that it is composed of a plug stem according to any of claims 1-3 and a lower plug according to any of claims 4-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456189.XU CN210550824U (en) | 2019-09-03 | 2019-09-03 | Internal expanding type plug handle, lower plug device and setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456189.XU CN210550824U (en) | 2019-09-03 | 2019-09-03 | Internal expanding type plug handle, lower plug device and setting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210550824U true CN210550824U (en) | 2020-05-19 |
Family
ID=70671080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921456189.XU Active CN210550824U (en) | 2019-09-03 | 2019-09-03 | Internal expanding type plug handle, lower plug device and setting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210550824U (en) |
-
2019
- 2019-09-03 CN CN201921456189.XU patent/CN210550824U/en active Active
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