CN210397871U - Main main pipe valve sealing cover - Google Patents
Main main pipe valve sealing cover Download PDFInfo
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- CN210397871U CN210397871U CN201921081275.7U CN201921081275U CN210397871U CN 210397871 U CN210397871 U CN 210397871U CN 201921081275 U CN201921081275 U CN 201921081275U CN 210397871 U CN210397871 U CN 210397871U
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Abstract
A main pipe valve sealing cover comprises a lower component and a cover body, wherein the lower component comprises a base and a fixing piece, a connecting ring is arranged at the bottom of the base, and threads are arranged on the outer wall of the connecting ring; the top of the base is open, the inner wall of the base is provided with threads, the fixing piece is positioned in the inner cavity of the base and is provided with a first through hole, a groove and a second through hole, the inner wall of the groove and the inner wall of the second through hole are both provided with threads, and the first through hole is communicated with the connecting ring; the outer wall of the bottom of the cover body is provided with threads. Screws are arranged in the groove and the second through hole. The utility model discloses a tightening screw compresses tightly the stationary blade, compresses tightly main female pipe through-hole department space, ensures that the leakproofness of main female pipe through-hole department is good, prevents that main female intraductal oil stream from strikeing and leading to the valve sealed cowling not hard up, convenience safe in utilization.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, especially, relate to a main female pipe valve seal cover.
Background
The transformer is one of important power transmission and transformation equipment in a power system, is in a junction position in the power system, and the safety and the reliability of the operation of the transformer are directly related to the safety of the power system. The transformer can convert part of electric energy into heat energy of the transformer body in the running process, the part of heat energy can enable the transformer to generate obvious temperature rise, and at present, a cooler is generally used as main equipment for cooling the transformer, so that the cooler is one of key parts for stable running of the transformer.
A main mother pipe in an existing cooler strong oil circulating system is provided with a through hole, an internal thread is arranged in the through hole, a connecting shaft is installed below the through hole, a spring is arranged at the bottom of the connecting shaft, and the connecting shaft can ascend or descend under the action of the elastic force of the spring. And the valve sealing cover with the external thread is connected with the internal thread of the through hole to cover the through hole and the connecting shaft, so that oil flow leakage in the main bus pipe is prevented. However, a main bus pipe valve in the cooler strong oil circulating system is subjected to impact of oil flow in the main bus pipe for a long time, a certain gap exists between the connecting shaft and the through hole, the gap at the through hole is not tightly pressed by the valve sealing cover, the oil flow can enter the gap, the long-term impact of the oil flow easily causes the looseness of the existing valve sealing cover and influences the tightness of the main bus pipe, so that the cooler strong oil circulating system sends an alarm signal to a background, the result is light, operation and maintenance staff continuously go to a transformer substation to eliminate the defects, and a large amount of manpower and material resources are wasted; the transformer is tripped and shut down, the system is broken down, large-area power failure is caused, and great potential safety hazards are brought to production and life of people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned technical problem to a main female pipe valve seal cover is provided.
The utility model discloses a following technical scheme realizes:
a main mother pipe valve sealing cover comprises a lower component 1 and a cover body 2, wherein the lower component 1 comprises a base 3 and a fixing piece 4, a connecting ring 5 is arranged at the bottom of the base 3, and threads are arranged on the outer wall of the connecting ring 5; the top of the base 3 is open, the inner wall of the base 3 is provided with threads, the fixing piece 4 is positioned in the inner cavity of the base 3, the fixing piece 4 is provided with a first through hole 6, a groove 7 and a second through hole 8, the inner walls of the groove 7 and the second through hole 8 are both provided with threads, and the first through hole 6 is communicated with the connecting ring 5; the outer wall of the bottom of the cover body 2 is provided with threads.
Further, a connecting column 9 is arranged at the bottom of the cover body 2, and threads are arranged on the outer wall of the connecting column 9.
Further, a protruding column 10 is arranged on the top of the cover body 2.
Further, a step 11 is arranged between the protruding column 10 and the connecting column 9, and the outer wall of the step 11 is octagonal.
Further, the outer wall of the base 3 is octagonal.
Further, the first through hole 6 is square.
Further, the groove 7 is arc-shaped.
Further, a sealing ring is arranged on the inner wall of the first through hole 6.
Further, the base 3, the fixing piece 4 and the cover body 2 are all made of stainless steel.
Compared with the prior art, the utility model discloses main beneficial effect as follows:
(1) the utility model is provided with a lower component and a cover body, wherein the lower component comprises a base and a fixed piece, the bottom of the base is provided with a connecting ring, the outer wall of the connecting ring is provided with threads, and the connecting ring is in threaded connection with the through hole of the main pipe to cover the through hole of the main pipe and prevent the oil flow in the main pipe from overflowing; the base top is uncovered, inner wall of the base is provided with the screw thread, the stationary blade is located in the inner cavity of the base, the stationary blade is provided with first through-hole, recess and second through-hole, inner wall of recess inner wall and second through-hole all are provided with the screw thread, first through-hole with go-between intercommunication, all place the screw in recess inside and the second through-hole, compress tightly the stationary blade through tightening the screw, compress tightly main female pipe through-hole department space, ensure that the leakproofness of main female pipe through-hole department is good, prevent that main female intraductal oil stream from assaulting and lead to valve seal cover not hard up, convenience safe in utilization, the material resources of using manpower sparingly.
(2) The base outer wall is the octagon, protruding post with be provided with the step between the spliced pole, the step outer wall is the octagon, makes things convenient for the atress, conveniently dismantles or installs base, convenient to use.
(3) The utility model discloses can prevent that the interior oil stream of main bus-pipe from strikeing and leading to valve seal cover not hard up, convenient to use, simple structure, low in manufacturing cost is honest and clean, has important market value.
Drawings
FIG. 1 is a front view of the present invention
FIG. 2 is a top view of the base 3 of the present invention
In the figure:
1-a lower assembly; 2-a cover body; 3-a base; 4-fixing the sheet; 5-connecting rings; 6-a first via; 7-a groove; 8-a second via; 9-connecting column; 10-raised columns; 11-step; 12-screws.
Detailed Description
The technical solution of the present invention will be further specifically described below with reference to the drawings of the specification.
Referring to fig. 1 and 2, a main pipe valve sealing cover comprises a lower assembly 1 and a cover body 2, wherein the lower assembly 1 comprises a base 3 and a fixing plate 4, a connecting ring 5 is arranged at the bottom of the base 3, and threads are arranged on the outer wall of the connecting ring 5; the top of the base 3 is open, the inner wall of the base 3 is provided with threads, the fixing piece 4 is positioned in the inner cavity of the base 3, the fixing piece 4 is provided with a first through hole 6, a groove 7 and a second through hole 8, the inner walls of the groove 7 and the second through hole 8 are both provided with threads, and the first through hole 6 is communicated with the connecting ring 5; the outer wall of the bottom of the cover body 2 is provided with threads.
Specifically, the main pipe is provided with a through hole, and the through hole is provided with an internal thread.
Specifically, the bottom of the base 3 is provided with a connecting ring 5, and the outer wall of the connecting ring 5 is provided with threads; the outer wall of the connecting ring 5 is connected with the internal thread of the through hole of the main pipe, so that the base 3 is connected with the through hole of the main pipe, the through hole of the main pipe is covered, and the oil flow in the main pipe is prevented from overflowing.
Specifically, a connecting shaft is installed below a through hole of the main pipe, a spring is arranged at the bottom of the connecting shaft, and the connecting shaft can ascend or descend under the action of the elastic force of the spring.
Specifically, the fixing plate 4 is located in the inner cavity of the base 3, and the fixing plate 4 is provided with a first through hole 6, and the first through hole 6 is communicated with the connecting ring 5. The connecting shaft can sequentially penetrate through the connecting ring 5 and the first through hole 6, and normal ascending or descending of the connecting shaft is ensured.
Specifically, the fixing piece 4 is provided with a first through hole 6, a groove 7 and a second through hole 8, and the inner wall of the groove 7 and the inner wall of the second through hole 8 are both provided with threads.
Preferably, the groove 7 is arc-shaped.
Preferably, two screws 12 are placed in the groove 7, and the screws 12 are tightened to compress the fixing plate 4; a screw 12 is placed in the second through hole 8, and the screw 12 is screwed down to press the fixing piece 4 tightly. Through compressing tightly stationary blade 4, compress tightly main female pipe through-hole department space, ensure that the leakproofness of main female pipe through-hole department is good, prevent that the interior oil stream of main female pipe from strikeing and leading to valve seal cover not hard up.
Specifically, the fixing plate 4 is locked through the three screws 12, the three screws 12 form a triangular structure, the connection stability of the fixing plate 4 is enhanced, the fixing plate 4 compresses a gap at the through hole of the main pipe, and the sealing performance of the through hole of the main pipe is further enhanced.
Specifically, the positions of two screws 12 in the groove 7 can be adjusted, so that the adjusting screws 12 can conveniently press the position of the fixing piece 4, and the installation is flexible and convenient.
Preferably, a sealing ring is arranged on the inner wall of the first through hole 6 to ensure that the sealing performance at the first through hole 6 is good.
Preferably, the inner diameter of the first through hole 6 is D1, the outer diameter of the connecting shaft arranged below the through hole of the main mother pipe is D2, and D1 is 3-4mm larger than D2.
Specifically, 6 inner walls of first through-hole are provided with the sealing washer, and the sealing washer has certain thickness, and the connecting axle of main female pipe through-hole below installation can closely cooperate with first through-hole 6, can enough ensure that the connecting axle normally rises or descends, can ensure again that first through-hole 6 department sealing performance is good.
Further, a connecting column 9 is arranged at the bottom of the cover body 2, and threads are arranged on the outer wall of the connecting column 9.
Specifically, the outer wall of the connecting column 9 is provided with threads, the main pipe is provided with a through hole, the through hole is provided with internal threads, and the connecting column 9 can be in threaded connection with the through hole of the main pipe so as to realize that the connecting column 9 is fixedly connected with the through hole of the main pipe.
Further, the top of the cover body 2 is provided with a protruding column 10, so that the cover body 2 is convenient to take.
Further, protruding post 10 with be provided with step 11 between the spliced pole 9, 11 outer walls of step are the octagon, make things convenient for the atress to make things convenient for the user to install or dismantle lid 2.
Further, the outer wall of the base 3 is octagonal, so that the force is conveniently applied, and the base 3 is convenient to disassemble or assemble.
Further, the first through hole 6 is square.
Specifically, a connecting shaft is arranged below the through hole of the main pipe, and the cross section of the connecting shaft is square. The first through hole 6 is square so as to adapt to the section shape of the connecting shaft.
Further, the base 3, the fixing piece 4 and the cover body 2 are made of stainless steel, so that the corrosion resistance is good, and the cover is durable.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications and equivalent changes made according to the technical spirit of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a main female pipe valve seal cover which characterized in that: the novel multifunctional combined cover comprises a lower component (1) and a cover body (2), wherein the lower component (1) comprises a base (3) and a fixing piece (4), a connecting ring (5) is arranged at the bottom of the base (3), and threads are arranged on the outer wall of the connecting ring (5); the top of the base (3) is open, threads are arranged on the inner wall of the base (3), the fixing piece (4) is located in the inner cavity of the base (3), the fixing piece (4) is provided with a first through hole (6), a groove (7) and a second through hole (8), the threads are arranged on the inner wall of the groove (7) and the inner wall of the second through hole (8), and the first through hole (6) is communicated with the connecting ring (5); the outer wall of the bottom of the cover body (2) is provided with threads.
2. The main manifold valve boot seal of claim 1, wherein: the bottom of the cover body (2) is provided with a connecting column (9), and the outer wall of the connecting column (9) is provided with threads.
3. The main manifold valve boot seal according to claim 2, wherein: the top of the cover body (2) is provided with a raised column (10).
4. A main manifold valve boot seal according to claim 3, wherein: protruding post (10) with be provided with step (11) between spliced pole (9), step (11) outer wall is the octagon.
5. A main manifold valve seal housing according to claim 1 or 2 or 3 or 4, wherein: the outer wall of the base (3) is octagonal.
6. A main manifold valve seal housing according to claim 1 or 2 or 3 or 4, wherein: the first through hole (6) is square.
7. A main manifold valve seal housing according to claim 1 or 2 or 3 or 4, wherein: the groove (7) is arc-shaped.
8. A main manifold valve seal housing according to claim 1 or 2 or 3 or 4, wherein: and a sealing ring is arranged on the inner wall of the first through hole (6).
9. A main manifold valve seal housing according to claim 1 or 2 or 3 or 4, wherein: the base (3), the fixing piece (4) and the cover body (2) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081275.7U CN210397871U (en) | 2019-07-11 | 2019-07-11 | Main main pipe valve sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081275.7U CN210397871U (en) | 2019-07-11 | 2019-07-11 | Main main pipe valve sealing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397871U true CN210397871U (en) | 2020-04-24 |
Family
ID=70354205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081275.7U Active CN210397871U (en) | 2019-07-11 | 2019-07-11 | Main main pipe valve sealing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397871U (en) |
-
2019
- 2019-07-11 CN CN201921081275.7U patent/CN210397871U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220720 Address after: 437000 within the high tech Zone of Xianning City, Hubei Province Patentee after: Shenjiang pressure vessel (Wuhan) Co.,Ltd. Address before: No. 88 Xianning Avenue, Xianning, Hubei Province, Hubei Patentee before: HUBEI University OF SCIENCE AND TECHNOLOGY |