CN210255962U - Valve dismounting tool of pressure reducing valve - Google Patents
Valve dismounting tool of pressure reducing valve Download PDFInfo
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- CN210255962U CN210255962U CN201921103435.3U CN201921103435U CN210255962U CN 210255962 U CN210255962 U CN 210255962U CN 201921103435 U CN201921103435 U CN 201921103435U CN 210255962 U CN210255962 U CN 210255962U
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- valve
- nut
- pressure reducing
- lifting nut
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Abstract
The utility model discloses a valve extracting tool of relief pressure valve, include: the lifting nut, the support plate, at least one lead screw and at least one nut. The outer circumference of the lifting nut is provided with an external thread, and the lifting nut is provided with at least one threaded hole; the supporting plate is provided with at least one through hole, and one end face of the supporting plate is in contact with the upper end face of the valve body of the pressure reducing valve; one end of at least one lead screw penetrates through at least one through hole and is screwed in at least one threaded hole; the at least one nut is screwed on the at least one screw rod and is positioned between the supporting plate and the other end of the at least one screw rod; the lifting nut is matched and fixedly connected with the internal thread of a valve cover corrugated pipe guide plate of the pressure reducing valve through external threads; wherein, can make the lifting nut drive bellows subassembly through rotating at least one nut and rise. Therefore, the utility model discloses a valve extracting tool of relief pressure valve, simple structure is reasonable, can dismantle the valve of relief pressure valve fast.
Description
Technical Field
The utility model relates to a relief pressure valve technical field especially relates to a valve extracting tool of relief pressure valve.
Background
A self-operated pressure reducing valve commonly used for a nuclear island is provided with a corrugated pipe assembly for preventing radioactive media from leaking and a spring from being corroded by the media, wherein the corrugated pipe assembly is fixed through a guide plate and sealed through a sealing ring. In order to ensure the sealing performance and the adjusting performance of the valve, the valve needs to be checked and the sealing element needs to be replaced periodically. Before, the special disassembling tool for the pressure reducing valve is not provided, and rod-type tools such as screwdrivers and the like are mostly adopted to disassemble the corrugated pipe of the pressure reducing valve in a tilting mode, so that the guide surface of the valve body and the internal threads of the corrugated pipe are easily damaged.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve extracting tool of relief pressure valve, its simple structure is reasonable, can dismantle the valve of relief pressure valve fast.
In order to achieve the above object, the utility model provides a valve extracting tool of relief pressure valve, include: the lifting nut, the support plate, at least one lead screw and at least one nut. The outer circumference of the lifting nut is provided with an external thread, and the lifting nut is provided with at least one threaded hole; the supporting plate is provided with at least one through hole, and one end face of the supporting plate is in contact with the upper end face of the valve body of the pressure reducing valve; one end of at least one lead screw penetrates through at least one through hole and is screwed in at least one threaded hole; the at least one nut is screwed on the at least one screw rod and is positioned between the supporting plate and the other end of the at least one screw rod; the lifting nut is matched and fixedly connected with the internal thread of a valve cover corrugated pipe guide plate of the pressure reducing valve through external threads; wherein, can make the lifting nut drive bellows subassembly through rotating at least one nut and rise.
In a preferred embodiment, the lifting nut is made of stainless steel.
In a preferred embodiment, the support plate is made of stainless steel.
In a preferred embodiment, the number of the at least one threaded hole is two, and the two threaded holes are symmetrically arranged on the lifting nut.
In a preferred embodiment, the number of the at least one through hole is two, and the two through holes are symmetrically arranged on the support plate.
In a preferred embodiment, the number of at least one nut is two.
Compared with the prior art, according to the utility model discloses the valve extracting tool of relief pressure valve, simple structure is reasonable, can dismantle the valve of relief pressure valve fast, has avoided the violence to dismantle the damage that probably causes the valve, has protected equipment, and has saved the time limit for a project, has reduced personnel and has received the exposure dose.
Drawings
Fig. 1 is an assembled structural schematic diagram of a valve removing tool for a pressure reducing valve according to an embodiment of the present invention.
Description of the main reference numerals:
1-lifting nut, 11-external thread, 12-threaded hole, 2-supporting plate, 21-through hole, 3-lead screw and 4-nut.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, fig. 1 is an assembled structural schematic view of a valve disassembling tool of a pressure reducing valve according to an embodiment of the present invention.
According to the utility model discloses preferred embodiment's valve extracting tool of relief pressure valve, include: lifting nut 1, support plate 2, at least one lead screw 3 and at least one nut 4. The outer circumference of the lifting nut 1 is provided with an external thread 11, and the lifting nut 1 is provided with at least one threaded hole 12; at least one through hole 21 is formed in the supporting plate 2, and one end face of the supporting plate 2 is in contact with the upper end face of the valve body of the pressure reducing valve; one end of at least one lead screw 3 passes through at least one through hole 21 and is screwed in at least one threaded hole 12; at least one nut 4 is screwed on at least one lead screw 3, and the at least one nut 4 is positioned between the supporting plate 2 and the other end of the at least one lead screw 3; the lifting nut 1 is matched and fixedly connected with an internal thread of a valve cover corrugated pipe guide plate of the pressure reducing valve through an external thread 11; wherein, the lifting nut 1 can drive the bellows component to ascend by rotating at least one nut 4; in practical application, the size of the corrugated pipe is measured on site, the lifting nut 1 is processed, the middle of the lifting nut is provided with a hole to avoid interference with the inner part of the corrugated pipe, the size of the lifting nut 1 is simplified, the length of the screw rod is selected with a larger length margin, and the lifting nut can be properly adjusted according to the actual height of the valve; aiming at the condition that the lifting height of the corrugated pipe is higher or the upper surface of the corrugated pipe is higher than the flange surface of the valve, a cushion block with proper height can be added below the supporting plate 2 to improve the lifting height, so that the corrugated pipe is detached.
In a preferred embodiment, the material of the lifting nut 1 is stainless steel; the supporting plate 2 is made of stainless steel; the number of the at least one threaded hole 12 is two, and the two threaded holes 12 are symmetrically formed in the lifting nut 1; the number of the at least one through hole 21 is two, and the two through holes 21 are symmetrically arranged on the support plate 2; the number of the at least one nut 4 is two.
In practical application, the utility model discloses valve extracting tool of relief pressure valve comprises lifting nut 1, backup pad 2, two lead screws 3 and two nuts 4, lifting nut 1's external screw thread 11 passes through the internal thread connection of screw thread with valve gap bellows deflector, two M8 internal thread holes 12 are connected with two lead screws, the plane of backup pad 2 contacts with the valve body up end of relief pressure valve and is done the support, two through-holes 21 provide direction and stress point for taking nut 4 and lead screw, two lead screws pass two through-holes 21 of backup pad 2 respectively and screw in two screw holes 12 of lifting nut 1, two nuts 4 are located between backup pad 2 and two lead screws 3 respectively this moment (namely two nuts 4 are twisted respectively on two lead screws 3, and two nuts 4 are located and keep away from one end of lifting nut 1); when the corrugated pipe lifting device is used, firstly, a valve cover and a spring assembly of the pressure reducing valve are dismantled, a lifting nut 1 is screwed into an internal thread on the upper portion of a corrugated pipe guide plate to a proper position, a supporting plate 2 is placed on the upper portion of the valve cover of the pressure reducing valve, two through holes 21 are aligned with two threaded holes 12 of the lifting nut 1, a screw rod 3 with a nut 4 is installed to the two threaded holes 12 of the lifting nut 1, the nut 4 is rotated to enable the nut 4 to be in contact with the supporting plate 2, at the moment, the two screw rods are fixed by a wrench to prevent rotation, the nut 4 is rotated symmetrically and slowly, and the lifting.
In a word, the utility model discloses the valve extracting tool of relief pressure valve, simple structure is reasonable, can dismantle the valve of relief pressure valve fast, has avoided violence to dismantle the damage that probably causes the valve, has protected equipment, and has saved the time limit for a project, has reduced personnel and has received the exposure dose.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. A valve removal tool for a pressure relief valve, comprising:
the lifting nut is provided with external threads on the outer circumference and is provided with at least one threaded hole;
the support plate is provided with at least one through hole, and one end face of the support plate is in contact with the upper end face of the valve body of the pressure reducing valve;
one end of the lead screw penetrates through the at least one through hole and is screwed in the at least one threaded hole; and
the at least one nut is screwed on the at least one lead screw and is positioned between the supporting plate and the other end of the at least one lead screw;
the lifting nut is matched and fixedly connected with the internal thread of the valve cover corrugated pipe guide plate of the pressure reducing valve through the external thread;
wherein the lifting nut can be used to lift the bellows assembly by rotating the at least one nut.
2. The valve removing tool for a pressure reducing valve according to claim 1, wherein the poppet nut is made of stainless steel.
3. The valve removing tool for a pressure reducing valve according to claim 1, wherein the support plate is made of stainless steel.
4. The valve removing tool for a pressure reducing valve according to claim 1, wherein the number of the at least one threaded hole is two, and the two threaded holes are symmetrically formed in the poppet nut.
5. The valve removing tool for a pressure reducing valve according to claim 1, wherein the number of the at least one through hole is two, and the two through holes are symmetrically formed in the support plate.
6. The valve disassembly tool of a pressure relief valve of claim 1, wherein the at least one nut is two in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103435.3U CN210255962U (en) | 2019-07-15 | 2019-07-15 | Valve dismounting tool of pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103435.3U CN210255962U (en) | 2019-07-15 | 2019-07-15 | Valve dismounting tool of pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210255962U true CN210255962U (en) | 2020-04-07 |
Family
ID=70012521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921103435.3U Active CN210255962U (en) | 2019-07-15 | 2019-07-15 | Valve dismounting tool of pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210255962U (en) |
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2019
- 2019-07-15 CN CN201921103435.3U patent/CN210255962U/en active Active
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