CN213352309U - Valve core jacking device of plug valve with replaceable seat - Google Patents
Valve core jacking device of plug valve with replaceable seat Download PDFInfo
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- CN213352309U CN213352309U CN202021813726.4U CN202021813726U CN213352309U CN 213352309 U CN213352309 U CN 213352309U CN 202021813726 U CN202021813726 U CN 202021813726U CN 213352309 U CN213352309 U CN 213352309U
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Abstract
The utility model belongs to the technical field of the plug valve, especially, be an interchangeable seat plug valve case roof pressure ware, to the roof pressure ware in prior art when using, be not convenient for change its connecting seat, the problem of the operation of being not convenient for use, the scheme as follows is now proposed, and it includes the connecting seat, the mounting groove has been seted up at the top of connecting seat, and movable mounting has the mount pad in the mounting groove, and the top fixed mounting of mount pad has roof pressure ware body, and the worm is installed to the mount pad internal rotation, and the one end of worm extends to the mount pad outer and fixed mounting has the knob, and two worm wheels are installed to the mount pad internal rotation, and the worm meshes with two worm wheels mutually, and the equal fixed mounting in front side of two worm wheels has the rope winding wheel, and. The utility model has the advantages of reasonable design, easy operation is convenient for dismantle the change, convenient to operate and use the connecting seat of plug valve case roof pressure ware.
Description
Technical Field
The utility model relates to a plug valve technical field especially relates to a plug valve case roof pressure ware of interchangeable seat plug valve.
Background
The plug valve is a rotary valve in a closing part or a plunger shape, and the opening or the closing of the valve is realized by rotating 90 degrees to ensure that a passage port on the plug is the same as or separated from a passage port on the valve body. The plug of a plug valve may be cylindrical or conical in shape. In a cylindrical plug, the passages are generally rectangular, while in a tapered plug, the passages are trapezoidal. These shapes make the construction of the plug valve lighter but at the same time create some losses. The plug valve is most suitable for use as a medium-and medium-shutoff and flow-diversion valve, but may also be used for throttling, depending on the nature of the application and the erosion resistance of the sealing surfaces. The passageway of the plug valve can take a variety of forms. The usual straight-through type is used primarily for intercepting fluids. Three-way and four-way stopcocks are suitable for fluid reversal.
When the plug valve is used, a top pressing device is needed to press the valve core, however, when the top pressing device in the prior art is used, the connecting seat of the top pressing device is inconvenient to replace, and the top pressing device is inconvenient to operate and use, so that the top pressing device with the replaceable seat for the valve core of the plug valve is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the top pressing device in the prior art is inconvenient to replace a connecting seat when being used and inconvenient to operate and use, and providing the top pressing device for the valve core of the plug valve with the replaceable seat.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a plug valve core jacking device with an interchangeable seat comprises a connecting seat, wherein the top of the connecting seat is provided with a mounting groove, a mounting seat is movably mounted in the mounting groove, the top of the mounting seat is fixedly provided with a jacking device body, a worm is rotatably mounted in the mounting seat, one end of the worm extends out of the mounting seat and is fixedly provided with a knob, two worm wheels are rotatably mounted in the mounting seat and are meshed with the worm wheel, rope winding wheels are fixedly mounted on the front sides of the two worm wheels, one ends of pull ropes are fixedly mounted on the outer sides of the two rope winding wheels, pull plates are fixedly mounted on the other ends of the two pull ropes, two fixing plates are fixedly mounted on the inner wall of the bottom of the mounting seat, the two pull ropes are respectively connected to the inner sides of corresponding pull plates in a sliding manner, springs are movably sleeved on the outer sides of the two pull ropes, the two ends of the springs, two equal sliding connection of dead lever have all seted up the fixed slot in the mount pad on the both sides inner wall of mounting groove, dead lever and fixed slot looks adaptation.
Preferably, the inner wall of one side of the mounting seat is fixedly provided with an outer ring of the bearing, and the worm is fixedly sleeved with the inner ring of the bearing, so that the worm is convenient to rotate and mount.
Preferably, the outer side of the worm is provided with two groups of spiral teeth, the thread pitches of the two groups of spiral teeth are the same, and the screwing directions are opposite, so that the rotating directions of the two worm gears are always opposite, and the rotating speeds are always kept consistent.
Preferably, two dwang are installed to the mount pad internal rotation, and two worm wheels and two rope winding wheel difference fixed mounting are in the outside of corresponding dwang, are convenient for rotate two worm wheels of installation and two rope winding wheels.
Preferably, the installation seat is rotatably provided with two guide wheels, and the two pull ropes are respectively connected to the corresponding guide wheels in a transmission manner to play a certain guiding role in the two pull ropes.
Preferably, the inner wall of the mounting seat is fixedly provided with one ends of two limiting rods, the other ends of the two limiting rods are fixedly connected with the fixing plate, and the pull plate is connected to the outer sides of the two limiting rods in a sliding manner and plays a corresponding limiting role for the pull plate.
In the utility model, the valve core top pressing device of the plug valve with the replaceable seat drives the worm to rotate by rotating the knob, then two groups of spiral teeth outside the worm are meshed with two worm wheels for transmission, so that two worm wheels can be driven to rotate relatively, the two worm wheels can drive two rope winding wheels to rotate, and the two pull plates can be pulled by two pull ropes to move close to each other through the guide of the two guide wheels;
the utility model has the advantages of reasonable design, easy operation is convenient for dismantle the change, convenient to operate and use the connecting seat of plug valve case roof pressure ware.
Drawings
Fig. 1 is a schematic structural view of a plug valve core jacking device of a plug valve with an interchangeable seat, which is provided by the utility model;
fig. 2 is a schematic structural view of a portion a of a plug valve core jacking device for a plug valve with a replaceable seat, which is provided by the utility model;
fig. 3 is a schematic structural diagram of a part B of the plug valve core jacking device of the changeable seat plug valve provided by the utility model.
In the figure: 1. a connecting seat; 2. mounting grooves; 3. a mounting seat; 4. a top pressing device body; 5. a worm; 6. a worm gear; 7. a rope winding wheel; 8. pulling a rope; 9. a guide wheel; 10. pulling a plate; 11. a fixing plate; 12. a limiting rod; 13. a spring; 14. fixing the rod; 15. and fixing the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a plug valve core jacking device with an interchangeable base comprises a connecting base 1, wherein the top of the connecting base 1 is provided with a mounting groove 2, a mounting base 3 is movably mounted in the mounting groove 2, the top of the mounting base 3 is fixedly provided with a jacking device body 4, a worm 5 is rotatably mounted in the mounting base 3, one end of the worm 5 extends out of the mounting base 3 and is fixedly provided with a knob, two worm wheels 6 are rotatably mounted in the mounting base 3, the worm 5 is meshed with the two worm wheels 6, the front sides of the two worm wheels 6 are fixedly provided with rope winding wheels 7, the outer sides of the two rope winding wheels 7 are fixedly provided with one end of a pull rope 8, the other ends of the two pull ropes 8 are fixedly provided with pull plates 10, the inner wall of the bottom of the mounting base 3 is fixedly provided with two fixing plates 11, the two pull ropes 8 are respectively connected to the inner sides, spring 13's both ends respectively with arm- tie 10 and 11 fixed connection of fixed plate, the equal fixed mounting in one side that two arm-ties 10 kept away from each other has dead lever 14, and two equal sliding connection of dead lever 14 have all seted up fixed slot 15 on the both sides inner wall of mounting groove 2 in mount pad 3, dead lever 14 and fixed slot 15 looks adaptation.
An outer ring of a bearing is fixedly installed on the inner wall of one side of the installation seat 3, the worm 5 is fixedly sleeved with an inner ring of the bearing and is convenient to rotate and install the worm 5, two groups of spiral teeth are arranged on the outer side of the worm 5, the thread pitches of the two groups of spiral teeth are the same, the rotating directions of the two worm wheels 6 are opposite all the time, the rotating speed is consistent all the time, two rotating rods are rotatably installed in the installation seat 3, the two worm wheels 6 and the two rope winding wheels 7 are fixedly installed on the outer sides of the corresponding rotating rods respectively, the two worm wheels 6 and the two rope winding wheels 7 are convenient to rotate and install, two guide wheels 9 are rotatably installed in the installation seat 3, the two pull ropes 8 are respectively connected to the corresponding guide wheels 9 in a transmission mode and play a certain guiding role for the two pull ropes 8, one ends of two limiting rods 12 are fixedly installed on the, the pulling plate 10 is connected to the outer sides of the two limiting rods 12 in a sliding mode, and plays a corresponding limiting role in the pulling plate 10.
The utility model discloses in, when using, can drive worm 5 through the rotating knob and rotate, then two sets of helical teeth and two worm wheel 6's meshing transmission through the worm 5 outside, can drive two worm wheel 6 and rotate relatively, thereby can make two worm wheel 6 drive two around rope sheave 7 and rotate, thereby the direction through two leading wheels 9, can make two arm-tie 10 of 8 pulling of two stay cords be close to each other and remove, and elastic deformation through two springs 13 makes two springs 13 atress compressions, thereby can drive two dead levers 14 and be close to each other and remove, thereby make the corresponding fixed slot 15 of two dead lever 14 roll-off, thereby can remove the fixed of mount pad 3 and connecting seat 1, then can take off connecting seat 1 and change, and the operation is simple, be convenient for use the change of connecting seat 1.
Claims (6)
1. The utility model provides a plug valve core top pressure device with an interchangeable seat, which comprises a connecting seat (1) and is characterized in that, a mounting groove (2) is arranged at the top of the connecting seat (1), a mounting seat (3) is movably arranged in the mounting groove (2), a top pressure device body (4) is fixedly arranged at the top of the mounting seat (3), a worm (5) is rotatably arranged in the mounting seat (3), one end of the worm (5) extends to the outside of the mounting seat (3) and is fixedly provided with a knob, two worm wheels (6) are rotatably arranged in the mounting seat (3), the worm (5) is meshed with the two worm wheels (6), winding wheels (7) are fixedly arranged at the front sides of the two worm wheels (6), one ends of pull ropes (8) are fixedly arranged at the outer sides of the two winding wheels (7), pull plates (10) are fixedly arranged at the other ends of the two pull ropes (8), two fixing plates (11) are fixedly, two stay cords (8) are sliding connection respectively in the inboard of corresponding arm-tie (10), the equal movable sleeve in outside of two stay cords (8) is equipped with spring (13), the both ends of spring (13) respectively with arm-tie (10) and fixed plate (11) fixed connection, the equal fixed mounting in one side that two arm-ties (10) kept away from each other has dead lever (14), two equal sliding connection in mount pad (3) of dead lever (14), fixed slot (15) have all been seted up on the both sides inner wall of mounting groove (2), dead lever (14) and fixed slot (15) looks adaptation.
2. The valve core top press device of the plug valve with the replaceable seat as claimed in claim 1, wherein an outer ring of a bearing is fixedly mounted on an inner wall of one side of the mounting seat (3), and the worm (5) is fixedly sleeved with an inner ring of the bearing.
3. The valve core top press device of the plug valve with the replaceable seat as claimed in claim 1, wherein two groups of spiral teeth are arranged on the outer side of the worm (5), the two groups of spiral teeth have the same pitch and opposite rotation directions.
4. The valve core top press device of the plug valve with the replaceable seat as claimed in claim 1, wherein the mounting seat (3) is rotatably provided with two rotating rods, and the two worm gears (6) and the two rope winding wheels (7) are respectively and fixedly arranged on the outer sides of the corresponding rotating rods.
5. The valve core top press device of the plug valve with the replaceable seat as claimed in claim 1, wherein two guide wheels (9) are rotatably mounted in the mounting seat (3), and the two pull ropes (8) are respectively connected to the corresponding guide wheels (9) in a transmission manner.
6. The valve core top press device of the plug valve with the replaceable seat as claimed in claim 1, wherein one end of each of two limiting rods (12) is fixedly mounted on the inner wall of the mounting seat (3), the other end of each of the two limiting rods (12) is fixedly connected with the fixing plate (11), and the pulling plate (10) is slidably connected to the outer sides of the two limiting rods (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021813726.4U CN213352309U (en) | 2020-08-27 | 2020-08-27 | Valve core jacking device of plug valve with replaceable seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021813726.4U CN213352309U (en) | 2020-08-27 | 2020-08-27 | Valve core jacking device of plug valve with replaceable seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213352309U true CN213352309U (en) | 2021-06-04 |
Family
ID=76147266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021813726.4U Active CN213352309U (en) | 2020-08-27 | 2020-08-27 | Valve core jacking device of plug valve with replaceable seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213352309U (en) |
-
2020
- 2020-08-27 CN CN202021813726.4U patent/CN213352309U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A top pressure device for valve core of replaceable plug valve Effective date of registration: 20220110 Granted publication date: 20210604 Pledgee: Liaoyang Rural Commercial Bank Co.,Ltd. Pledgor: LIAONING PETROCHEMICAL VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022980000243 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220706 Granted publication date: 20210604 Pledgee: Liaoyang Rural Commercial Bank Co.,Ltd. Pledgor: LIAONING PETROCHEMICAL VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022980000243 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |