CN211501646U - Oil gas valve with internal corrosion-resistant structure - Google Patents
Oil gas valve with internal corrosion-resistant structure Download PDFInfo
- Publication number
- CN211501646U CN211501646U CN201921778758.2U CN201921778758U CN211501646U CN 211501646 U CN211501646 U CN 211501646U CN 201921778758 U CN201921778758 U CN 201921778758U CN 211501646 U CN211501646 U CN 211501646U
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- CN
- China
- Prior art keywords
- side wall
- valve
- polytetrafluoroethylene
- fixedly mounted
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 20
- 238000005260 corrosion Methods 0.000 title claims abstract description 20
- -1 polytetrafluoroethylene ring Polymers 0.000 claims abstract description 46
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 29
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an oil-gas valve with an internal corrosion-resistant structure, which comprises a valve main body, wherein a valve seat is fixedly arranged on the inner side wall of the valve main body, a first tapered hole is arranged on the upper side wall of the valve seat, a polytetrafluoroethylene ring is fixedly arranged on the inner side wall of the first tapered hole, a polytetrafluoroethylene shell is inserted into the inner side wall of the polytetrafluoroethylene ring, a connecting rod is fixedly arranged on the upper side wall of a fixed block, a valve rod is assembled on the upper side wall of the connecting rod in a sliding way, a round platform-shaped pressing block is fixedly arranged on the outer side wall of the connecting rod, the utility model utilizes the polytetrafluoroethylene material to improve the corrosion resistance, meanwhile, when the valve rod moves downwards to plug the first taper hole, downward force is generated on the round table-shaped pressing block, the polytetrafluoroethylene shell and the metal gasket are bent outwards, and the sealing performance between the polytetrafluoroethylene shell and the first taper hole is further improved.
Description
Technical Field
The utility model relates to an oil gas valve technical field specifically is an oil gas valve with inside corrosion resistant construction.
Background
The oil-gas valve is one of valves commonly used in oil-gas transportation, is used for controlling the circulation and the stop of oil gas, can have the situation of corrosion because the inside contacts the oil gas for a long time, and especially for a valve core and a valve seat used for plugging, if a gap appears due to corrosion, the sealing situation when the transportation is stopped can be influenced, the waste of the oil gas is formed, if the oil-gas valve with the valve core and the valve seat with good corrosion resistance can be designed, the problems can be solved, and therefore, the oil-gas valve with the internal corrosion-resistant structure is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil gas valve with inside corrosion resistant structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an oil-gas valve with an internal corrosion-resistant structure comprises a valve body, wherein a cover plate is fixedly mounted on the lower side wall of the valve body, a fixed cylinder is fixedly mounted on the upper side wall of the cover plate, a valve seat is fixedly mounted on the inner side wall of the valve body, a first tapered hole is formed in the upper side wall of the valve seat, a polytetrafluoroethylene ring is fixedly mounted on the inner side wall of the first tapered hole, a polytetrafluoroethylene shell is inserted into the inner side wall of the polytetrafluoroethylene ring, a metal pad is fixedly mounted on the inner side wall of the polytetrafluoroethylene shell, a fixed rod is fixedly mounted on the lower side wall of the polytetrafluoroethylene shell and inserted into the fixed cylinder, a fixed block is fixedly mounted on the inner side wall of the metal pad, a connecting rod is fixedly mounted on the upper side wall of the fixed block, a valve rod is assembled on the upper side wall of the connecting rod, and the outer side wall of the round table-shaped pressing block is attached to the inner side wall of the metal pad.
Further, a second taper hole is uniformly formed in the upper side wall of the valve seat transverse plate, a taper pin is inserted into the inner side wall of the second taper hole and penetrates through the polytetrafluoroethylene ring, a through hole is formed in the lower side of the outer side wall of the taper pin, and a limiting rod is inserted into the inner side wall of the through hole.
Further, a cylindrical groove is formed in the lower side wall of the valve rod, a baffle ring is fixedly mounted on the lower side of the inner side wall of the cylindrical groove, the connecting rod penetrates through the baffle ring, a circular plate is fixedly mounted at the upper end of the connecting rod, and the circular plate is inserted into the cylindrical groove.
Further, a protective shell is fixedly mounted on the outer side wall of the circular truncated cone-shaped pressing block.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a structure of disk seat, polytetrafluoroethylene ring, polytetrafluoroethylene shell, metal pad, fixed block, connecting rod, valve rod and round platform form briquetting utilizes polytetrafluoroethylene's material, makes disk seat and case contact segment's corrosion resistance improve, when moving down to carry out the shutoff to first bell mouth at the valve rod simultaneously, can produce decurrent power to round platform form briquetting simultaneously, makes polytetrafluoroethylene shell and metal pad department outside bending, further increases the leakproofness between polytetrafluoroethylene shell and the first bell mouth.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a front sectional view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1. the valve comprises a valve body, 2, a cover plate, 3, a fixed cylinder, 4, a valve seat, 5, a first taper hole, 6, a polytetrafluoroethylene ring, 7, a polytetrafluoroethylene shell, 8, a metal pad, 9, a fixed rod, 10, a fixed block, 11, a connecting rod, 12, a valve rod, 13, a round table-shaped pressing block, 14, a second taper hole, 15, a taper pin, 16, a through hole, 17, a limiting rod, 18, a cylindrical groove, 19, a stop ring, 20, a circular plate, 21 and a protective shell.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides an oil gas valve with inside corrosion resistant structure, including valve body 1, the lower lateral wall fixed mounting of valve body 1 has apron 2, the last lateral wall fixed mounting of apron 2 has solid fixed cylinder 3, the inside wall fixed mounting of valve body 1 has disk seat 4, as shown in figure 2, this disk seat 4 is the same with the disk seat state in most valves, therefore give unnecessary details to it, first bell mouth 5 has been seted up to the last lateral wall of disk seat 4, oil gas realizes flowing from left to right through first bell mouth 5, the inside wall fixed mounting of first bell mouth 5 has polytetrafluoroethylene ring 6, polytetrafluoroethylene material is the most corrosion resistant material in the world now, therefore polytetrafluoroethylene ring 6 can the effectual protection disk seat 4 on first bell mouth 5 department, the inside wall of polytetrafluoroethylene ring 6 pegs graft has polytetrafluoroethylene shell 7, polytetrafluoroethylene shell 7 department is the valve core part, the polytetrafluoroethylene shell 7 is used for protecting the valve core, a metal pad 8 is fixedly installed on the inner side wall of the polytetrafluoroethylene shell 7, a fixing rod 9 is fixedly installed on the lower side wall of the polytetrafluoroethylene shell 7, the fixing rod 9 is inserted into the fixing cylinder 3, the movement of the valve core is limited by the matching of the fixing rod 9 and the fixing cylinder 3, a fixing block 10 is fixedly installed on the inner side wall of the metal pad 8, a connecting rod 11 is fixedly installed on the upper side wall of the fixing block 10, a valve rod 12 is slidably assembled on the upper side wall of the connecting rod 11, the connecting rod 11 and the valve rod 12 can move in the vertical direction relatively, a truncated cone-shaped pressing block 13 is fixedly installed on the outer side wall of the connecting rod 11, the outer side wall of the truncated cone-shaped pressing block 13 is attached to the inner side wall of the metal pad 8, and when the valve rod 12 moves downwards to enable the, further, the truncated cone-shaped pressing block 13 generates an outward force on the metal gasket 8 and the polytetrafluoroethylene shell 7, and the sealing property between the polytetrafluoroethylene shell 7 and the polytetrafluoroethylene ring 6 is further increased.
Particularly, second taper hole 14 has evenly been seted up to the last lateral wall of valve seat 4 diaphragm, the inside wall in second taper hole 14 is pegged graft and is had taper pin 15, and taper pin 15 runs through polytetrafluoroethylene ring 6, and through-hole 16 has been seted up to taper pin 15's lateral wall downside, and it has gag lever post 17 to peg graft the inside wall of through-hole 16, and second taper hole 14 is narrow state down for last width, therefore the downside of taper pin 15 uses gag lever post 17 to carry out spacing back, can effectually trade polytetrafluoroethylene 6 and fix.
Specifically, a cylindrical groove 18 is formed in the lower side wall of the valve rod 12, a baffle ring 19 is fixedly mounted on the lower side of the inner side wall of the cylindrical groove 18, the connecting rod 11 penetrates through the baffle ring 19, a circular plate 20 is fixedly mounted at the upper end of the connecting rod 11, and the circular plate 20 is inserted into the cylindrical groove 18, as shown in fig. 2, through the partial structure, it is guaranteed that the outer side wall of the circular truncated cone-shaped pressing block 13 is always attached to the inner side wall of the metal pad 8, it is guaranteed that the connecting rod 11 and the valve rod 12 can move vertically relative to each other, and downward force can be generated on the circular truncated cone-shaped.
Specifically, a protective shell 21 is fixedly mounted on the outer side wall of the circular truncated cone-shaped pressing block 13, and the protective shell 21 is made of polytetrafluoroethylene materials, so that corrosion resistance is improved.
The working principle is as follows: this oil gas valve with inside corrosion resistant structure, when valve rod 12 rebound, through plectane 20, connecting rod 11, the transmission of fixed block 10, can drive polytetrafluoroethylene shell 7 and move up, expose first bell mouth 5, make oil gas can realize flowing from a left side right side, when valve rod 12 rebound, can drive polytetrafluoroethylene shell 7 and move in polytetrafluoroethylene ring 6, can produce pressure to round platform form briquetting 13 simultaneously, under the effect of the oblique lateral wall of round platform form briquetting 13 and the laminating of metal pad 8, can make metal pad 8 and polytetrafluoroethylene shell 7 shift outwards, and then make the leakproofness between polytetrafluoroethylene shell 7 and the polytetrafluoroethylene ring 6 more.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (4)
1. The oil-gas valve with the internal corrosion-resistant structure is characterized by comprising a valve body (1), a cover plate (2) is fixedly mounted on the lower side wall of the valve body (1), a fixed cylinder (3) is fixedly mounted on the upper side wall of the cover plate (2), a valve seat (4) is fixedly mounted on the inner side wall of the valve body (1), a first tapered hole (5) is formed in the upper side wall of the valve seat (4), a polytetrafluoroethylene ring (6) is fixedly mounted on the inner side wall of the first tapered hole (5), a polytetrafluoroethylene shell (7) is inserted into the inner side wall of the polytetrafluoroethylene ring (6), a metal pad (8) is fixedly mounted on the inner side wall of the polytetrafluoroethylene shell (7), a fixing rod (9) is fixedly mounted on the lower side wall of the polytetrafluoroethylene shell (7), and the fixing rod (9) is inserted into the fixed cylinder (3), the inside wall fixed mounting of metal pad (8) has fixed block (10), the last lateral wall fixed mounting of fixed block (10) has connecting rod (11), the last lateral wall of connecting rod (11) slides and is equipped with valve rod (12), the lateral wall fixed mounting of connecting rod (11) has round platform form briquetting (13), and the lateral wall laminating of round platform form briquetting (13) fits in the inside wall of metal pad (8).
2. The oil-gas valve with the internal corrosion-resistant structure is characterized in that second conical holes (14) are uniformly formed in the upper side wall of a transverse plate of the valve seat (4), conical pins (15) are inserted into the inner side walls of the second conical holes (14), the conical pins (15) penetrate through the polytetrafluoroethylene ring (6), through holes (16) are formed in the lower sides of the outer side walls of the conical pins (15), and limiting rods (17) are inserted into the inner side walls of the through holes (16).
3. The oil and gas valve with the internal corrosion-resistant structure according to claim 1, wherein a cylindrical groove (18) is formed in the lower side wall of the valve rod (12), a baffle ring (19) is fixedly mounted on the lower side of the inner side wall of the cylindrical groove (18), the connecting rod (11) penetrates through the baffle ring (19), a circular plate (20) is fixedly mounted at the upper end of the connecting rod (11), and the circular plate (20) is inserted into the cylindrical groove (18).
4. The oil and gas valve with the internal corrosion-resistant structure as recited in claim 1, characterized in that a protective shell (21) is fixedly mounted on the outer side wall of the truncated cone-shaped pressing block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778758.2U CN211501646U (en) | 2019-10-22 | 2019-10-22 | Oil gas valve with internal corrosion-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778758.2U CN211501646U (en) | 2019-10-22 | 2019-10-22 | Oil gas valve with internal corrosion-resistant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501646U true CN211501646U (en) | 2020-09-15 |
Family
ID=72407245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921778758.2U Expired - Fee Related CN211501646U (en) | 2019-10-22 | 2019-10-22 | Oil gas valve with internal corrosion-resistant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501646U (en) |
-
2019
- 2019-10-22 CN CN201921778758.2U patent/CN211501646U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |