CN216344059U - Fluorine-lined ball valve capable of avoiding leakage - Google Patents
Fluorine-lined ball valve capable of avoiding leakage Download PDFInfo
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- CN216344059U CN216344059U CN202123222524.XU CN202123222524U CN216344059U CN 216344059 U CN216344059 U CN 216344059U CN 202123222524 U CN202123222524 U CN 202123222524U CN 216344059 U CN216344059 U CN 216344059U
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Abstract
The utility model discloses a fluorine-lined ball valve capable of avoiding leakage, which belongs to the technical field of ball valves and comprises a valve body, wherein the valve body is composed of a first valve body and a second valve body which have the same structure, one end of the first valve body is provided with a valve seat, a vertical valve rod is rotatably connected between the two valve seats on the valve body, the valve ball is arranged inside the valve body, one end of the valve rod is fixed with the valve ball, the other end of the valve rod is connected with a valve handle, a first sealing ring is embedded at the joint of the valve rod and the top of the valve seats, a gland is fixed on the top of the two valve seats through bolts, a sealing gasket is embedded at the joint of the gland and the two valve seats, the valve rod is rotatably connected with the gland, an outer sealing mechanism is arranged at the joint of the gland and the two valve seats, and the outer sealing mechanism comprises a first sealing shell and a second sealing shell which are respectively connected with the corresponding valve seats in a sliding manner; this ball valve is sealed many times, and the leakproofness is good, and can reveal by real-time supervision, and the security is high, and easily dismantles the maintenance, and the convenience is strong.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a fluorine-lined ball valve capable of avoiding leakage.
Background
Ball valves (ball valve) come out in 50 s of the 20 th century, and with the rapid development of science and technology, the production process and the product structure are continuously improved. The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. The plug has the action of rotating 90 degrees, the plug body is a sphere, and a circular through hole or a channel passes through the axis of the plug body.
At present, because the pressure in partial pipelines is high, a sealing ring is abraded and aged after the ball valve is used for a long time, the ball valve is easy to leak due to the problem of sealing performance, the environment is polluted, the conveying capacity of the pipelines is reduced, poisoning or explosion accidents are seriously caused, and the economic loss caused is high.
SUMMERY OF THE UTILITY MODEL
The fluorine-lined ball valve capable of avoiding leakage provided by the utility model solves the problems that the pressure in partial pipelines is high, and the sealing ring is abraded and aged after the ball valve is used for a long time, so that the ball valve is easy to leak due to the problem of sealing property, the environment is polluted, the conveying capacity of the pipeline is reduced, and the economic loss is high due to serious poisoning or explosion accidents.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a can avoid lining fluorine ball valve who reveals, includes the valve body, the valve body comprises the first valve body and the second valve body that the structure is the same, the one end of first valve body is equipped with the disk seat, it is connected with vertical valve rod to rotate between two disk seats on the valve body, the inside of valve body is equipped with the valve ball, just the one end of valve rod is fixed with the valve ball, the other end of valve rod is connected with the valve handle, first sealing washer has been inlayed to the junction at valve rod and disk seat top, two the top bolt fastening of disk seat has the gland, the gland has inlayed sealed the pad with the junction of two disk seats, just the valve rod rotates with the gland and is connected.
As a preferred scheme of the present invention, an outer sealing mechanism is disposed at a joint of the gland and the two valve seats, the outer sealing mechanism includes a first sealing housing and a second sealing housing which are respectively connected with the corresponding valve seats in a sliding manner, both sides of the first sealing housing and the second sealing housing are connected with a bump, and the first sealing housing and the second sealing housing are fixed by a bump bolt.
Adopt above-mentioned scheme, inlay through the junction at valve rod and disk seat and establish first sealing washer, and be equipped with sealed the pad between disk seat and gland, form secondary seal through sealed pad to first sealing washer department, and be equipped with external seal mechanism through the junction at disk seat and gland promptly sealed pad department, form the cubic and seal, can guarantee the leakproofness of whole ball valve, prevent that the ball valve from taking place to leak the phenomenon when using, pass through the bolt fastening between first seal housing and the second seal housing simultaneously, make things convenient for the later stage to dismantle whole ball valve.
As a preferable scheme of the present invention, a pressure sensor is installed on a side surface of the second sealing housing, sealing insertion plates are fixed to both ends of the second sealing housing, and the sealing insertion plates are inserted into the first sealing housing.
Adopt above-mentioned scheme, utilize the inside pressure of pressure sensor real-time supervision casing that second seal housing one side set up, in case when the phenomenon appears revealing, the airtight space pressure that forms between first seal housing and the second seal housing slowly increases, pressure sensor detects pressure variation, in time send and reveal alarm to the outside, and then make the staff can overhaul the ball valve the very first time, first seal housing adopts sealed picture peg grafting with second seal housing junction, and then can guarantee the leakproofness when two seal housing connect, guarantee that pressure sensor can detect accurate data.
As a preferable scheme of the present invention, one end of each of the first valve body and the second valve body is provided with a connecting flange, the first valve body and the second valve body are fixed by a connecting flange bolt, and a second sealing ring is arranged between the two connecting flanges.
Adopt above-mentioned scheme, through being divided into first valve body and second valve body with whole valve body, first valve body and second valve body bolt fixed mounting utilize the second sealing washer to form effective seal, guarantee the leakproofness, the gland passes through the bolt fastening simultaneously on two disk seats, and also pass through the bolt fastening between first seal housing and the second seal housing, and then make whole ball valve convenient to detach, make things convenient for the later stage to inside the ball valve wash and overhaul, convenience when improving the ball valve and using.
As a preferred scheme of the present invention, the end portions of the first valve body and the second valve body are both provided with a pipe connector, and the pipe connectors are both provided with a plurality of mounting holes.
By adopting the scheme, the pipeline connector is connected with an external conveying pipeline, and the whole ball valve is fixed through the mounting hole, so that the connecting and mounting operation of pipelines at two ends is realized.
In a preferable scheme of the utility model, the valve ball and the valve body are both made of fluorine-lined materials.
By adopting the scheme, the valve ball and the valve body are made of the fluorine lining material with good corrosion resistance, so that the ball valve can stably work in the environment of strong acid and strong base, is suitable for various complex environments, and prolongs the service life of the ball valve.
In the utility model:
according to the fluorine-lined ball valve capable of avoiding leakage, the first sealing ring is embedded at the joint of the valve rod and the valve seat, the sealing gasket is arranged between the valve seat and the gland, secondary sealing is formed at the first sealing ring through the sealing gasket, and the outer sealing mechanism is arranged at the joint of the valve seat and the gland, namely the sealing gasket, so that tertiary sealing is formed, the sealing performance of the whole ball valve can be ensured, and the ball valve is prevented from leakage;
the valve body and the ball valve of the fluorine-lined ball valve capable of avoiding leakage are both made of fluorine-lined materials with good corrosion resistance, so that the ball valve can stably work in strong acid and strong alkali environments, is suitable for various complex environments, and prolongs the service life of the ball valve;
this can avoid lining fluorine ball valve of revealing utilizes the second sealing washer to form effective seal through first valve body and second valve body bolt fixed mounting, and the gland passes through the bolt fastening simultaneously on two disk seats to also pass through the bolt fastening between first seal housing and the second seal housing, and then make whole ball valve convenient to detach, conveniently wash and overhaul ball valve inside, convenience when improving the ball valve and using.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;
FIG. 3 is a schematic diagram of the mechanism of the outer sealing mechanism of the present invention;
fig. 4 is a schematic structural view of a second valve body according to the present invention.
In the figure: 1. a valve body; 2. a first valve body; 3. a second valve body; 4. a valve seat; 5. a gland; 6. an outer sealing mechanism; 61. a first sealed housing; 62. a second sealed housing; 63. sealing the inserting plate; 64. a bump; 65. a pressure sensor; 7. a valve stem; 8. a valve handle; 9. a connecting flange; 10. a second seal ring; 11. a pipe joint; 12. mounting holes; 13. a valve ball; 14. a first seal ring; 15. and a gasket.
Detailed Description
Examples
Referring to fig. 1-4, the utility model provides a fluorine-lined ball valve capable of avoiding leakage, which comprises a valve body 1, wherein the valve body 1 is composed of a first valve body 2 and a second valve body 3 with the same structure, one end of the first valve body 2 is provided with a valve seat 4, a vertical valve rod 7 is rotatably connected between the two valve seats 4 on the valve body 1, a valve ball 13 is arranged inside the valve body 1, one end of the valve rod 7 is fixed with the valve ball 13, the other end of the valve rod 7 is connected with a valve handle 8, a first sealing ring 14 is embedded at the joint of the valve rod 7 and the top of the valve seat 4, a gland 5 is fixed at the top of the two valve seats 4 through bolts, a sealing gasket 15 is embedded at the joint of the gland 5 and the two valve seats 4, and the valve rod 7 is rotatably connected with the gland 5.
The joint of the gland 5 and the two valve seats 4 is provided with an external sealing mechanism 6, the external sealing mechanism 6 comprises a first sealing shell 61 and a second sealing shell 62 which are respectively connected with the corresponding valve seats 4 in a sliding way, the two sides of the first sealing shell 61 and the second sealing shell 62 are both connected with a lug 64, the first sealing shell 61 and the second sealing shell 62 are fixed through the lug 64 by bolts, a first sealing ring 14 is embedded at the joint of the valve rod 7 and the valve seats 4, a sealing gasket 15 is arranged between the valve seats 4 and the gland 5, secondary sealing is formed at the first sealing ring 14 through the sealing gasket 15, the external sealing mechanism 6 is arranged at the joint of the valve seats 4 and the gland 5, namely the sealing gasket 15, so as to form tertiary sealing, the sealing performance of the whole ball valve can be ensured, the leakage phenomenon of the ball valve in use is prevented, and meanwhile, the first sealing shell 61 and the second sealing shell 62 are fixed through the bolts, make things convenient for the later stage to dismantle whole ball valve.
The one end of first valve body 2 and the second valve body 3 all is equipped with flange 9, first valve body 2 passes through flange 9 bolt fastening with the second valve body 3, be equipped with second sealing washer 10 between two flange 9, through divide into first valve body 2 and the second valve body 3 with whole valve body 1, first valve body 2 and the 3 bolt fastening installations of second valve body, utilize second sealing washer 10 to form effective seal, guarantee the leakproofness, gland 5 passes through the bolt fastening on two disk seats 4 simultaneously, and also through bolt fastening between first seal housing 61 and the second seal housing 62, and then make whole ball valve convenient to detach, make things convenient for the later stage to inside the washing and the maintenance of ball valve, improve the convenience when the ball valve uses.
The tip of first valve body 2 and second valve body 3 all is equipped with pipe connection head 11, has all seted up a plurality of mounting holes 12 on the pipe connection head 11, connects outside pipeline through pipe connection head 11 to fix whole ball valve through mounting hole 12, realize the connection installation operation to the both ends pipeline.
The valve ball 13 and the valve body 1 are both made of fluorine-lined materials, and the valve ball 13 and the valve body 1 are made of the fluorine-lined materials with good corrosion resistance, so that the ball valve can stably work in strong acid and strong alkali environments, is suitable for various complex environments, and prolongs the service life of the ball valve.
The working principle is as follows: when the ball valve is used, the first sealing ring 14 embedded at the joint of the valve rod 7 and the valve seat 4 forms effective sealing, a sealing gasket 15 is arranged between the valve seat 4 and the gland 5 to form secondary sealing on the first sealing ring 14, meanwhile, a first sealing shell 61 and a second sealing shell 62 are arranged at the joint of the valve seat 4 and the gland 5, namely the sealing gasket 15, to form a sealed space, so as to form tertiary sealing, so that the sealing performance of the whole ball valve can be ensured, the ball valve is prevented from leakage, the whole valve body 1 is divided into a first valve body 2 and a second valve body 3, the first valve body 2 and the second valve body 3 are fixedly installed through bolts, the second sealing ring 10 is utilized to form effective sealing, the sealing performance is ensured, meanwhile, the gland 5 is fixed on the two valve seats 4 through bolts, and the first sealing shell 61 and the second sealing shell 62 are also fixed through bolts, so that the whole ball valve is convenient to disassemble, and the inside of the ball valve is convenient to clean and overhaul in the later period, the convenience when improving the ball valve and using.
Claims (6)
1. A fluorine-lined ball valve capable of avoiding leakage is characterized by comprising a valve body (1), the valve body (1) is composed of a first valve body (2) and a second valve body (3) which have the same structure, one end of the first valve body (2) is provided with a valve seat (4), a vertical valve rod (7) is rotatably connected between the two valve seats (4) on the valve body (1), a valve ball (13) is arranged in the valve body (1), one end of the valve rod (7) is fixed with the valve ball (13), the other end of the valve rod (7) is connected with the valve door handle (8), a first sealing ring (14) is embedded at the joint of the valve rod (7) and the top of the valve seats (4), the top of the two valve seats (4) is fixed with a gland (5) by bolts, gland (5) and the junction of two disk seats (4) inlayed sealed pad (15), just valve rod (7) are connected with gland (5) rotation.
2. A fluorine-lined ball valve capable of avoiding leakage according to claim 1, wherein the joint of the gland (5) and the two valve seats (4) is provided with an external sealing mechanism (6), the external sealing mechanism (6) comprises a first sealing shell (61) and a second sealing shell (62) which are respectively connected with the corresponding valve seats (4) in a sliding manner, the two sides of the first sealing shell (61) and the second sealing shell (62) are both connected with a lug (64), and the first sealing shell (61) and the second sealing shell (62) are fixed by bolts through the lug (64).
3. A fluorine-lined ball valve capable of avoiding leakage according to claim 2, wherein the second sealing shell (62) is laterally provided with a pressure sensor (65), sealing insertion plates (63) are fixed at two ends of the second sealing shell (62), and the sealing insertion plates (63) are inserted into the first sealing shell (61).
4. A fluorine-lined ball valve capable of avoiding leakage according to claim 1, wherein one end of each of the first valve body (2) and the second valve body (3) is provided with a connecting flange (9), the first valve body (2) and the second valve body (3) are fixed by bolts through the connecting flanges (9), and a second sealing ring (10) is arranged between the two connecting flanges (9).
5. The fluorine-lined ball valve capable of avoiding leakage according to claim 1, wherein the end parts of the first valve body (2) and the second valve body (3) are respectively provided with a pipeline connector (11), and the pipeline connectors (11) are respectively provided with a plurality of mounting holes (12).
6. A fluorine lined ball valve against leakage according to claim 1, wherein said ball (13) and said body (1) are made of fluorine lined material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222524.XU CN216344059U (en) | 2021-12-21 | 2021-12-21 | Fluorine-lined ball valve capable of avoiding leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222524.XU CN216344059U (en) | 2021-12-21 | 2021-12-21 | Fluorine-lined ball valve capable of avoiding leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344059U true CN216344059U (en) | 2022-04-19 |
Family
ID=81165866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123222524.XU Active CN216344059U (en) | 2021-12-21 | 2021-12-21 | Fluorine-lined ball valve capable of avoiding leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344059U (en) |
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2021
- 2021-12-21 CN CN202123222524.XU patent/CN216344059U/en active Active
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