CN214466139U - Liquefied petroleum gas valve - Google Patents
Liquefied petroleum gas valve Download PDFInfo
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- CN214466139U CN214466139U CN202120567970.5U CN202120567970U CN214466139U CN 214466139 U CN214466139 U CN 214466139U CN 202120567970 U CN202120567970 U CN 202120567970U CN 214466139 U CN214466139 U CN 214466139U
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- end cover
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Abstract
The utility model discloses a liquefied petroleum gas valve, which comprises a main valve body and a side valve body, wherein the side valve body is fixedly arranged on the side surface of the main valve body, a valve core is arranged in the side valve body in a sliding way, the end part of the valve core is opposite to the inlet of the main valve body, and the end part of the valve core is also fixedly sleeved with a first sealing ring; the valve core is fixedly provided with a valve rod, the valve rod penetrates through the first sealing end cover and then is in threaded connection with an operating hand wheel, the operating hand wheel is rotatably provided with a limiting handle, and the limiting handle is sleeved with a limiting spring. The utility model discloses a tip at the valve rod sets up the operation hand wheel, and the staff of being convenient for rotates the valve rod, and then can adjust the case in the internal position of main valve, rotates the assigned position back at the valve rod, and it is relative with the spacing hole that corresponds to rotate the spacing handle on the operation hand wheel, and simultaneously under spacing spring's effect, compresses tightly spacing handle in spacing downthehole, corresponds different spacing hole with spacing handle and can realize the regulation of valve body flow.
Description
Technical Field
The utility model relates to a valving field, concretely relates to liquefied petroleum gas valve.
Background
Liquefied petroleum gas is taken as a chemical basic raw material and a novel fuel, and is increasingly valued by people, and the liquefied petroleum gas is taken as the fuel, has high heat value, no smoke and dust and no carbon residue, is convenient to operate and use, and has widely entered the living field of people. In addition, the liquefied petroleum gas is also used for cutting metals, for baking agricultural products, for baking in industrial kilns, and the like.
Liquefied petroleum gas is in the gaseous state at normal atmospheric temperature, becomes liquid very easily when pressure risees or temperature reduces, and in transportation process, through setting up pressure, the flow of valve in to transportation process control, liquefied petroleum gas also sets up comparatively stable mechanical control valve because of its flammable and explosive nature needs, can be convenient for the staff simultaneously and adjust valve pressure.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a liquefied petroleum gas valve can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a liquefied petroleum gas valve comprises a main valve body and a side valve body, wherein the side valve body is fixedly arranged on the side surface of the main valve body, an acute angle is formed between the central axis of the side valve body and the central axis of the main valve body, a valve core is slidably arranged in the side valve body, the end part of the valve core is opposite to the inlet of the main valve body, and a first sealing ring is fixedly sleeved on the end part of the valve core;
the improved valve is characterized in that a valve rod is fixedly mounted on the valve core, an operation hand wheel is connected to the valve rod through threads behind a first sealing end cover, the first sealing end cover is fixedly connected with a side valve body in a sealing mode, a limiting end cover is fixedly sleeved between the operation hand wheel and the first sealing end cover on the valve rod, a thread block is fixed in the limiting end cover, the thread block is matched with threads on the valve rod, a limiting handle is mounted on the operation hand wheel in a rotating mode, a limiting spring is sleeved on the limiting handle, the end portion of the limiting handle is opposite to a limiting hole in the limiting end cover, and the limiting hole is uniformly formed in the surface of the limiting end cover.
Preferably, the limiting handle comprises a limiting portion and a handle portion which are fixedly connected, the limiting spring sleeve is arranged on the limiting portion, the original length of the limiting spring is smaller than the length of the limiting portion, a limiting ring is fixedly connected to the end portion of the limiting spring, and the diameter of the limiting ring is larger than that of the limiting hole.
Preferably, a second sealing end cover is further sleeved between the first sealing end cover and the side valve body on the valve rod and fixedly connected with the side valve body, the first sealing end cover is fixedly installed on the second sealing end cover, a piston assembly is sleeved on the valve body, one end of the piston assembly is clamped in an installation groove of the side valve body, and the other end of the piston assembly is sleeved on the second sealing end cover.
Preferably, a first sealing assembly is arranged between the end part of the piston assembly and the second sealing end cover, the first sealing assembly comprises a second sealing ring, and sealing gaskets are arranged on two sides of the outer edge of the second sealing ring.
Preferably, the valve rod is sleeved with a second sealing assembly, the second sealing assembly comprises a sealing packing ring, two groups of O-shaped sealing rings and a lip-shaped sealing ring, the sealing packing ring is arranged between the first sealing end cover and the second sealing end cover, the two groups of O-shaped sealing rings are respectively arranged in an installation groove on the inner surface and an installation groove on the outer surface of the first sealing end cover, and the lip-shaped sealing ring is arranged in the installation groove of the first sealing end cover.
Preferably, a valve rod positioning groove is formed in the valve core, a plurality of positioning steel balls are arranged in the valve rod positioning groove, the positioning steel balls are opposite to the limiting groove in the valve rod, and a positioning screw is fixed on the valve rod positioning groove.
The utility model provides a liquefied petroleum gas valve possesses following beneficial effect: set up the operation hand wheel through the tip at the valve rod, the staff of being convenient for rotates the valve rod, it drives the valve rod and slides from top to bottom at spacing lid internal thread to rotate the operation hand wheel, and then can adjust the position of case in the main valve body, after the assigned position was rotated to the valve rod, it is relative with the spacing hole that corresponds to rotate the spacing handle on the operation hand wheel, simultaneously under spacing spring's effect, compress tightly spacing handle in spacing downthehole, prevent that the valve rod from removing, thereby adjust fixedly to the flow in the valve body, the regulation of valve body flow can be realized to spacing handle corresponding different spacing holes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic external structural view of the present invention;
fig. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic sectional structure diagram of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 6 is a schematic structural view of the limiting handle of the present invention;
in the figure: 1. a main valve body; 2. a side valve body; 3. a valve core; 4. a first seal ring; 5. a valve stem; 6. a first end seal cap; 7. operating a hand wheel; 8. a limiting end cover; 9. a thread block; 10. a limiting handle; 1001. a limiting part; 1002. a handle portion; 1003. a limiting ring; 11. a limiting spring; 12. a limiting hole; 13. a second end seal cap; 14. a piston assembly; 15. a first seal assembly; 1501. a second seal ring; 1502. a sealing gasket; 16. a second seal assembly; 1601. a packing ring is sealed; 1602. an O-shaped sealing ring; 1603. a lip-shaped seal ring; 17. a valve rod positioning groove; 18. positioning the steel balls; 19. a set screw; 20. and (4) an inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention.
In a first embodiment, as shown in fig. 1 to 6, a liquefied petroleum gas valve includes a main valve body 1 and a side valve body 2, the side valve body 2 is fixedly installed on a side surface of the main valve body 1, an acute angle is formed between a central axis of the side valve body 2 and a central axis of the main valve body 1, a valve core 3 is slidably installed in the side valve body 2, an end of the valve core 3 is opposite to an inlet 20 of the main valve body 1, and a first sealing ring 4 is fixedly sleeved on an end of the valve core 3;
fixed mounting has valve rod 5 on case 3, threaded connection has operation hand wheel 7 behind valve rod 5 passing first end cap 6, sealed fixed connection between first end cap 6 and the side valve body 2, operation hand wheel 7 and first end cap 6 between still fixed cover is equipped with spacing end cap 8 on the valve rod 5, spacing end cap 8 internal fixation has thread block 9, thread block 9 and the screw thread phase-match on the valve rod 5, rotate on the operation hand wheel 7 and install spacing handle 10, the cover is equipped with spacing spring 11 on the spacing handle 10, the tip of spacing handle 10 is relative with spacing hole 12 on the spacing end cap 8, spacing hole 12 is evenly seted up on 8 surfaces of spacing end cap.
The working principle is as follows: through the tip at valve rod 5 sets up operation hand wheel 7, the staff of being convenient for rotates valve rod 5, it drives valve rod 5 and slides from top to bottom at spacing lid internal thread to rotate operation hand wheel 7, and then can adjust the position of case 3 in main valve body 1, after valve rod 5 rotated the assigned position, spacing handle 10 on the operation hand wheel 7 of rotating is relative with the spacing hole 12 that corresponds, simultaneously under spacing spring 11's effect, compress tightly spacing handle 10 in spacing hole 12, prevent valve rod 5 and remove, thereby adjust fixedly the flow in the valve body, the regulation that can realize the valve body flow with spacing handle 10 corresponding different spacing hole 12.
As shown in fig. 2, which is a schematic view of the closed state of the valve, at this time, the limiting spring 11 is in a complete reset state, the end of the limiting handle 10 is clamped in the limiting hole 12, the end of the valve rod 5 is connected with the valve core 3, the valve rod 5 moves towards the inlet 20 of the main valve body 1 and abuts against the side wall of the main valve body 1, so as to prevent the medium from flowing, and the first sealing ring 4 can seal between the valve core 3 and the main valve body 1.
As shown in fig. 3, the valve is in a fully opened state, the limiting spring 11 is in a fully compressed state at the time, the end of the limiting handle 10 is clamped in the center of the limiting hand wheel, the limiting spring 11 is prevented from rebounding, the distance between the hand wheel and the limiting end cover 8 is increased at the time, the valve rod 5 moves upwards, the valve core 3 is driven to move upwards, and therefore the valve core 3 is opened, and the flow rate of the valve is increased. When the flow is regulated, the operating hand wheel 7 is rotated to drive the valve rod 5 to move up and down, the length of the valve core 3 from the central axis of the main valve body 1 can be regulated, and the limiting handle 10 is regulated to be clamped in different limiting holes 12, namely, the regulating operating hand wheel 7 and the limiting handle 10 can realize the regulation and the fixation of the flow.
In this embodiment, the limiting handle 10 includes a limiting portion 1001 and a handle portion 1002 that are fixedly connected, the limiting spring 11 is sleeved on the limiting portion 1001, the original length of the limiting spring 11 is smaller than the length of the limiting portion 1001, the end portion of the limiting spring 11 is fixedly connected with a limiting ring 1003, the diameter of the limiting ring 1003 is larger than the diameter of the limiting hole 12, the limiting ring 1003 is arranged at the end portion of the limiting spring 11 and can prevent the limiting spring 11 from being separated from the limiting hole 12, the original length of the limiting spring 11 is smaller than the length of the limiting portion 1001, and the end portion of the limiting portion 1001 can be clamped in the limiting hole 12.
In a second embodiment, as a preferable technical solution of the first embodiment, a second sealing end cover 13 is further sleeved between the first sealing end cover 6 and the side valve body 2 on the valve rod 5, the second sealing end cover 13 is fixedly connected with the side valve body 2, the first sealing end cover 6 is fixedly installed on the second sealing end cover 13, a piston assembly 14 is sleeved on the valve body, one end of the piston assembly 14 is clamped in an installation groove of the side valve body 2, and the other end of the piston assembly 14 is sleeved on the second sealing end cover 13. The first sealing end cover 6 and the second sealing end cover 13 are both fixedly mounted on the side valve body 2, and the piston assembly 14 can extend and retract along with the up-and-down movement of the valve rod 5, so that the medium in the main valve body 1 is prevented from leaking from the valve rod 5 when the valve rod 5 moves.
In this embodiment, a first sealing assembly 15 is disposed between an end of the piston assembly 14 and the second sealing end cover 13, the first sealing assembly 15 includes a second sealing ring 1501, sealing gaskets 1502 are disposed on two sides of an outer edge of the second sealing ring 1501, and the second sealing ring 1501 and the sealing gaskets 1502 seal between the piston assembly 14 and the second sealing end cover 13, so that a medium is prevented from leaking between the side valve body 2 and the second sealing end cover 13.
Third embodiment, as a preferable technical solution of the first embodiment, in the present embodiment, a second seal assembly 16 is sleeved on the valve rod 5, the second seal assembly 16 includes a seal packing ring 1601, two sets of O-ring seals 1602 and a lip seal 1603, the seal packing ring 1601 is disposed between the first seal end cover 6 and the second seal end cover 13, the two sets of O-ring seals 1602 are respectively mounted in a mounting groove on an inner surface and a mounting groove on an outer surface of the first seal end cover 6, the lip seal 1603 is disposed in the mounting groove of the first seal end cover 6, the second seal assembly 16 is disposed on the valve rod 5, when a medium flows into the piston assembly 14, the medium is prevented from flowing out of the valve rod 5, by providing the packing ring 1601 to absorb and seal the medium, the two sets of O-ring 1602 and lip seal 1603 can prevent the medium from flowing out from both sides of the first end cap 6, and secondarily seal the valve body.
Fourth, this embodiment is regarded as a preferred technical scheme of first embodiment, has seted up valve rod 5 constant head tank 17 on the case 3, is provided with a plurality of location steel ball 18 in the valve rod 5 constant head tank 17, and location steel ball 18 still is relative with the spacing groove on the valve rod 5, is fixed with set screw 19 on the valve rod 5 constant head tank 17, realizes the location of valve rod 5 and case 3 through setting up location steel ball 18, realizes the relative rotation of valve rod 5 and case 3.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions. The pattern filling in the drawings of the utility model does not represent the material of the structure, and only distinguishes the structure; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A liquefied petroleum gas valve is characterized in that: the side valve body is fixedly arranged on the side surface of the main valve body, an acute angle is formed between the central axis of the side valve body and the central axis of the main valve body, a valve core is slidably arranged in the side valve body, the end part of the valve core is opposite to the inlet of the main valve body, and a first sealing ring is fixedly sleeved on the end part of the valve core;
the improved valve is characterized in that a valve rod is fixedly mounted on the valve core, an operation hand wheel is connected to the valve rod through threads behind a first sealing end cover, the first sealing end cover is fixedly connected with a side valve body in a sealing mode, a limiting end cover is fixedly sleeved between the operation hand wheel and the first sealing end cover on the valve rod, a thread block is fixed in the limiting end cover, the thread block is matched with threads on the valve rod, a limiting handle is mounted on the operation hand wheel in a rotating mode, a limiting spring is sleeved on the limiting handle, the end portion of the limiting handle is opposite to a limiting hole in the limiting end cover, and the limiting hole is uniformly formed in the surface of the limiting end cover.
2. The liquefied petroleum gas valve as claimed in claim 1, wherein: the limiting handle comprises a limiting portion and a handle portion which are fixedly connected, the limiting spring sleeve is arranged on the limiting portion, the original length of the limiting spring is smaller than the length of the limiting portion, the end portion of the limiting spring is fixedly connected with a limiting ring, and the diameter of the limiting ring is larger than that of the limiting hole.
3. The liquefied petroleum gas valve as claimed in claim 1, wherein: the valve rod is characterized in that a second sealing end cover is further sleeved between the first sealing end cover and the side valve body and fixedly connected with the side valve body, the first sealing end cover is fixedly installed on the second sealing end cover, a piston assembly is sleeved on the valve body, one end of the piston assembly is clamped in an installation groove of the side valve body, and the other end of the piston assembly is sleeved on the second sealing end cover.
4. A liquefied petroleum gas valve as claimed in claim 3, wherein: a first sealing assembly is arranged between the end part of the piston assembly and the second sealing end cover, the first sealing assembly comprises a second sealing ring, and sealing gaskets are arranged on two sides of the outer edge of the second sealing ring.
5. The liquefied petroleum gas valve as claimed in claim 1, wherein: the valve rod is sleeved with a second sealing assembly, the second sealing assembly comprises a sealing packing ring, two groups of O-shaped sealing rings and a lip-shaped sealing ring, the sealing packing ring is arranged between the first sealing end cover and the second sealing end cover, the two groups of O-shaped sealing rings are respectively arranged in an installation groove in the inner surface of the first sealing end cover and an installation groove in the outer surface of the first sealing end cover, and the lip-shaped sealing ring is arranged in the installation groove of the first sealing end cover.
6. The liquefied petroleum gas valve as claimed in claim 1, wherein: the valve core is provided with a valve rod positioning groove, a plurality of positioning steel balls are arranged in the valve rod positioning groove, the positioning steel balls are opposite to the limiting groove on the valve rod, and a positioning screw is fixed on the valve rod positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567970.5U CN214466139U (en) | 2021-03-19 | 2021-03-19 | Liquefied petroleum gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567970.5U CN214466139U (en) | 2021-03-19 | 2021-03-19 | Liquefied petroleum gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214466139U true CN214466139U (en) | 2021-10-22 |
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ID=78156719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567970.5U Active CN214466139U (en) | 2021-03-19 | 2021-03-19 | Liquefied petroleum gas valve |
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| Country | Link |
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| CN (1) | CN214466139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738542A (en) * | 2022-03-15 | 2022-07-12 | 江苏照友石化机械有限公司 | Manual orifice throttle valve convenient to adjust |
-
2021
- 2021-03-19 CN CN202120567970.5U patent/CN214466139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738542A (en) * | 2022-03-15 | 2022-07-12 | 江苏照友石化机械有限公司 | Manual orifice throttle valve convenient to adjust |
| CN114738542B (en) * | 2022-03-15 | 2024-04-12 | 江苏照友石化机械有限公司 | Manual orifice plate choke valve convenient to adjust |
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