CN221075402U - Power generation steam stop valve with replaceable valve seat - Google Patents
Power generation steam stop valve with replaceable valve seat Download PDFInfo
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- CN221075402U CN221075402U CN202322980643.4U CN202322980643U CN221075402U CN 221075402 U CN221075402 U CN 221075402U CN 202322980643 U CN202322980643 U CN 202322980643U CN 221075402 U CN221075402 U CN 221075402U
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- valve
- rod
- movable
- valve seat
- replaceable
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- 238000010248 power generation Methods 0.000 title abstract description 22
- 230000009471 action Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a power generation steam stop valve with a replaceable valve seat, which relates to the technical field of steam stop valves and comprises the following components: the valve body and spacing subassembly, spacing subassembly is provided with two, rotates the subassembly, rotate the subassembly including the connecting rod, the inside threaded connection of connecting rod has the valve rod, the one end of valve rod is fixed with the carousel. According to the utility model, when the valve seat of the power generation steam stop valve needs to be replaced, the connecting sleeve is firstly separated from the threaded pipe through the rotary connecting sleeve, the supporting rod is separated from the connecting rod through the limiting component, the valve rod is separated from the base through the rotary base, the base can be replaced, the valve seat in the power generation steam stop valve is conveniently replaced through the action of the rotary component, and the problem that the valve seat in the power generation steam stop valve is mostly embedded in the valve body and is inconvenient to detach and replace in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of steam stop valves, in particular to a power generation steam stop valve with a replaceable valve seat.
Background
The power generation steam stop valve is a valve for controlling steam flow, plays an important role in a power plant, and has the main function of controlling the flow of steam in a steam pipeline so as to ensure the normal operation of a generator set, has more types, and can be selected according to different use occasions and requirements, such as a manual stop valve, an electric stop valve, a pneumatic stop valve and the like.
However, in the prior art, a valve pad in the power generation steam stop valve is easily damaged due to the influence of steam pressure in the long-time operation process, most of valve seats in the prior art are embedded in the stop valve body, and are difficult to remove from the stop valve body, so that inconvenience is brought to replacement of the valve seats, and therefore, the power generation steam stop valve with the replaceable valve seats is provided for overcoming the defects.
Disclosure of utility model
The utility model aims to solve the problem that in the prior art, most of valve seats in a power generation steam stop valve are embedded in a valve body 1 and are inconvenient to detach and replace, and provides a power generation steam stop valve with a replaceable valve seat.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a power generating steam shut-off valve with a replaceable valve seat, comprising: valve body and spacing subassembly, spacing subassembly is provided with two, rotates the subassembly, rotate the subassembly including the connecting rod, the inside threaded connection of connecting rod has the valve rod, the one end of valve rod is fixed with the carousel, the surface movable sleeve of valve rod is equipped with the adapter sleeve, the spread groove has been seted up to the inner wall of adapter sleeve, the inside of spread groove is provided with the coil, the surface threaded connection of adapter sleeve has the screwed pipe, the surface of screwed pipe has seted up flutedly, the one end threaded connection of valve rod has the base.
Preferably, one end of the valve rod movably penetrates through the valve body, one end of the threaded pipe is fixedly connected with the outer surface of the valve body, an air inlet pipe is fixedly communicated with the outer surface of one side of the valve body, an air outlet pipe is fixedly communicated with the outer surface of the other side of the valve body, and two support rods are fixedly arranged on the outer surface of the valve body.
Preferably, the two limiting assemblies comprise fixing plates, the two fixing plates are movably connected with movable rods, and movable posts are movably sleeved on the outer surfaces of the two movable rods.
Preferably, one end of each movable rod is provided with a limit sleeve in a threaded sleeve manner, and the outer surfaces of the two fixed plates are fixedly connected with the outer surfaces of the two support rods respectively.
Preferably, one ends of the two movable rods respectively penetrate through the two support rods, and the two movable columns are fixedly connected with the outer surfaces of the connecting rods.
Preferably, the limiting holes are formed in one ends of the two supporting rods, and the outer surfaces of the two connecting rods are fixedly connected with the inner parts of the two limiting holes respectively.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. According to the utility model, when the valve seat of the power generation steam stop valve needs to be replaced, the connecting sleeve is firstly separated from the threaded pipe through the rotary connecting sleeve, the supporting rod is separated from the connecting rod through the limiting component, the valve rod is separated from the base through the rotary base, the base can be replaced, the valve seat in the power generation steam stop valve is conveniently replaced through the action of the rotary component, and the problem that the valve seat in the power generation steam stop valve is mostly embedded in the valve body and is inconvenient to detach and replace in the prior art is solved.
2. According to the utility model, when the valve seat in the power generation steam stop valve needs to be replaced, and the two support rods are separated from the connecting rod, the limiting sleeve is separated from the movable rod, and the movable rod is moved out of the movable column by outwards pulling the movable rod, so that the support rods and the connecting rod can be separated, and the installation and the disassembly between the support rods and the connecting rod are facilitated through the effect of the limiting assembly, so that the replacement of the valve seat is facilitated.
Drawings
FIG. 1 is a front perspective view of a power generating steam shut-off valve with a replaceable valve seat according to the present utility model;
FIG. 2 is an expanded cross-sectional perspective view showing the structure of a valve body part of a power generation steam stop valve with a replaceable valve seat according to the present utility model;
FIG. 3 is an exploded perspective view showing the part of the structure of a rotary assembly of a power generating steam stop valve with a replaceable valve seat according to the present utility model;
Fig. 4 is an expanded perspective view of a part of a limiting assembly of a power generation steam stop valve with a replaceable valve seat.
Legend description: 1. a valve body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a support rod; 5. a rotating assembly; 501. a connecting rod; 502. a turntable; 503. a valve stem; 504. connecting sleeves; 505. a connecting groove; 506. a coil; 507. a threaded tube; 508. a groove; 509. a base; 6. a limit component; 601. a fixing plate; 602. a movable rod; 603. a movable column; 604. a limit sleeve; 7. and a limiting hole.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1 as shown in fig. 1 to 4, the present utility model provides a power generation steam stop valve with a replaceable valve seat, comprising: valve body 1 and spacing subassembly 6, spacing subassembly 6 is provided with two, rotating assembly 5 is including connecting rod 501, connecting rod 501's inside threaded connection has valve rod 503, valve rod 503's one end is fixed with carousel 502, valve rod 503's surface movable sleeve is equipped with adapter sleeve 504, connecting groove 505 has been seted up to the inner wall of adapter sleeve 504, the inside of connecting groove 505 is provided with coil 506, adapter sleeve 504's surface threaded connection has screwed pipe 507, recess 508 has been seted up to screwed pipe 507's surface, valve rod 503's one end threaded connection has base 509.
The effect that its whole embodiment 1 reaches is, when needs change the disk seat of electricity generation steam stop valve, at first, through rotatory adapter sleeve 504, make adapter sleeve 504 and screwed pipe 507 separate, make bracing piece 4 and connecting rod 501 separate through spacing subassembly 6, and then make base 509 shift out from the inside of valve body 1, rethread rotates base 509 and makes valve rod 503 and base 509 separate, and then can change base 509, new base 509 is fixed with the bottom of valve rod 503 through the screw thread, rethread spacing subassembly 6 is fixed connecting rod 501 and two between 4 bracing pieces, connect adapter sleeve 504 and screwed pipe 507 threaded connection, wherein, as shown in fig. 3, when fixed between adapter sleeve 504 and screwed pipe 507, coil 506 just embeds the inside to recess 508, wherein thickness of coil 506 is greater than the total depth between recess 508 and the spread groove 505, coil 506 embeds inside so that coil 506 receives the extrusion, the inside steam outside leakage of inside the inside of electricity generation steam stop valve is effectively prevented through the deformation of coil 506, wherein, coil 506 is high temperature resistant material, and has certain elasticity, and the effect of rotating subassembly 5 is fixed between connecting rod 501 and two bracing pieces 4, and screwed pipe 507 threaded connection, wherein, the coil 506 just embeds the inside steam valve seat is changed in the valve seat is convenient more than the valve seat is replaced in the valve, the problem is not changed in the valve body is convenient to the valve, the problem is not had been changed to the change in the valve is had been had to the valve was originally set in the valve.
1-4, One end of the valve rod 503 movably penetrates into the valve body 1, one end of the threaded pipe 507 is fixedly connected with the outer surface of the valve body 1, one side outer surface of the valve body 1 is fixedly connected with the air inlet pipe 2, the other side outer surface of the valve body 1 is fixedly connected with the outer surface of the air outlet pipe 3, two support rods 4 are fixedly connected with the outer surface of the valve body 1, two limiting assemblies 6 respectively comprise a fixing plate 601, movable rods 602 are movably connected with the inner portions of the two fixing plates 601, movable columns 603 are movably sleeved on the outer surfaces of the two movable rods 602, limiting sleeves 604 are movably sleeved on one ends of the two movable rods 602, the outer surfaces of the two fixing plates 601 are fixedly connected with the outer surfaces of the two support rods 4 respectively, one ends of the two movable columns 603 are fixedly connected with the outer surfaces of the connecting rods 501 respectively, limiting holes 7 are formed in one ends of the two support rods 4 respectively, and the outer surfaces of the two connecting rods 501 are fixedly connected with the inner portions of the two limiting holes 7 respectively.
The effect that its whole embodiment 2 reached is, when needs change the disk seat in the electricity generation steam stop valve, when separating between two bracing pieces 4 and the connecting rod 501, make stop collar 604 and movable rod 602 separation through screw thread rotation stop collar 604, the outside of rethread outwards draws movable rod 602 makes movable rod 602 shift out the inside of movable post 603, when movable rod 602 moves to the outside of movable post 603, can separate between movable post 603 and spacing hole 7, and then separate between bracing piece 4 and connecting rod 501, when needs between two bracing pieces 4 and connecting rod 501 are fixed, through respectively to the direction removal movable rod 602 of two bracing pieces 4, make two movable rods 602 run through respectively to the outside of bracing piece 4 and movable post 603, the outside at movable rod 602 is established to stop collar 604 thread sleeve again, the fixed between two bracing pieces 4 and connecting rod 501 has been accomplished promptly, the effect through spacing subassembly 6 has been convenient for the installation and the dismantlement between bracing piece 4 and the connecting rod 501, and then the replacement of disk seat has been convenient.
Working principle: when the valve seat of the power generation steam stop valve needs to be replaced, firstly, the connecting sleeve 504 is separated from the threaded pipe 507 by rotating the connecting sleeve 504, the supporting rod 4 is separated from the connecting rod 501 by the limiting component 6, the base 509 is moved out of the valve body 1, the valve rod 503 is separated from the base 509 by rotating the base 509, the base 509 can be replaced, a new base 509 is fixed with the bottom of the valve rod 503 by threads, the connecting rod 501 is fixed with the two supporting rods 4 by the limiting component 6, and then the connecting sleeve 504 is in threaded connection with the threaded pipe 507, wherein, as shown in figure 3, when the connecting sleeve 504 is fixed with the threaded pipe 507, the coil 506 is just embedded into the groove 508, wherein the thickness of the coil 506 is larger than the total depth between the groove 508 and the connecting groove 505, so that the coil 506 is embedded into the groove 508 to enable the coil 506 to be extruded, prevent the steam inside the power generation steam stop valve from leaking outwards, when the valve seat in the power generation steam stop valve needs to be replaced, the two support rods 4 and the connecting rod 501 are separated, the limiting sleeve 604 is separated from the movable rod 602 by rotating the limiting sleeve 604 through threads, the movable rod 602 is moved out of the movable column 603 by pulling the movable rod 602 outwards, when the movable rod 602 is moved out of the movable column 603, the movable column 603 is separated from the limiting hole 7, and then the support rods 4 and the connecting rod 501 are separated, when the two support rods 4 and the connecting rod 501 need to be fixed, the two movable rods 602 penetrate through the support rods 4 and the movable column 603 respectively by moving the movable rod 602 towards the directions of the two support rods 4 respectively, the limiting sleeve 604 is sleeved outside the movable rod 602 through threads, i.e. the fixation between the two support rods 4 and the connecting rod 501 is completed.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. A power generating steam shut-off valve with a replaceable valve seat, comprising:
The valve comprises a valve body (1) and a limiting assembly (6), wherein the limiting assembly (6) is provided with two parts;
The rotary component (5), the rotary component (5) is including connecting rod (501), the inside threaded connection of connecting rod (501) has valve rod (503), the one end of valve rod (503) is fixed with carousel (502), the surface movable sleeve of valve rod (503) is equipped with adapter sleeve (504), spread groove (505) have been seted up to the inner wall of adapter sleeve (504), the inside of spread groove (505) is provided with coil (506), the surface threaded connection of adapter sleeve (504) has screwed pipe (507), recess (508) have been seted up to the surface of screwed pipe (507), the one end threaded connection of valve rod (503) has base (509).
2. A power generating steam shut-off valve with a replaceable valve seat as defined in claim 1, wherein: one end of the valve rod (503) movably penetrates through the valve body (1), one end of the threaded pipe (507) is fixedly connected with the outer surface of the valve body (1), an air inlet pipe (2) is fixedly communicated with the outer surface of one side of the valve body (1), an air outlet pipe (3) is fixedly communicated with the outer surface of the other side of the valve body (1), and two supporting rods (4) are fixedly arranged on the outer surface of the valve body (1).
3. A power generating steam shut-off valve with a replaceable valve seat as defined in claim 1, wherein: both limit components (6) comprise fixed plates (601), both inside of the fixed plates (601) are movably connected with movable rods (602), and the outer surfaces of the two movable rods (602) are movably sleeved with movable columns (603).
4. A power generating steam shut-off valve with a replaceable valve seat as defined in claim 3, wherein: one end of each movable rod (602) is provided with a limit sleeve (604) in a threaded sleeve manner, and the outer surfaces of the two fixing plates (601) are fixedly connected with the outer surfaces of the two support rods (4) respectively.
5. A power generating steam shut-off valve with a replaceable valve seat as defined in claim 3, wherein: one end of each movable rod (602) is movably penetrated to the outside of each support rod (4), and each movable column (603) is fixedly connected with the outer surface of each connecting rod (501).
6. A power generating steam shut-off valve with a replaceable valve seat as defined in claim 2, wherein: one end of each supporting rod (4) is provided with a limiting hole (7), and the outer surfaces of the two connecting rods (501) are fixedly connected with the interiors of the two limiting holes (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322980643.4U CN221075402U (en) | 2023-11-06 | 2023-11-06 | Power generation steam stop valve with replaceable valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322980643.4U CN221075402U (en) | 2023-11-06 | 2023-11-06 | Power generation steam stop valve with replaceable valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075402U true CN221075402U (en) | 2024-06-04 |
Family
ID=91259330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322980643.4U Active CN221075402U (en) | 2023-11-06 | 2023-11-06 | Power generation steam stop valve with replaceable valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075402U (en) |
-
2023
- 2023-11-06 CN CN202322980643.4U patent/CN221075402U/en active Active
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