CN219866372U - Flow-regulating hard-sealing fixed ball valve - Google Patents
Flow-regulating hard-sealing fixed ball valve Download PDFInfo
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- CN219866372U CN219866372U CN202321066584.3U CN202321066584U CN219866372U CN 219866372 U CN219866372 U CN 219866372U CN 202321066584 U CN202321066584 U CN 202321066584U CN 219866372 U CN219866372 U CN 219866372U
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- flow
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- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 238000012856 packing Methods 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 steam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a flow-regulating type hard-sealing fixed ball valve which comprises a valve body and an electric actuator, wherein an upper valve rod is rotationally connected to the top of an inner cavity of the valve body, a lower valve rod is arranged at the bottom of the inner cavity of the valve body, a U-shaped ball body is arranged between the upper valve rod and the lower valve rod, one side of the valve body is provided with a mounting assembly for sealing and limiting the U-shaped ball body, the mounting assembly comprises two internal thread taper pins, a limiting piece and a fixing piece, the limiting piece and the fixing piece limit-seal the U-shaped ball body, and one ends, opposite to the outer walls of the upper valve rod and the lower valve rod, of the upper valve rod and the lower valve rod are fixedly sleeved with two connecting pieces respectively through the internal thread taper pins. According to the utility model, the valve body, the upper valve rod, the lower valve rod, the U-shaped ball body and the mounting assembly are matched for use, the U-shaped ball body is mounted between the upper valve rod and the lower valve rod through the two internal thread taper pins, and after the limiting piece and the fixing piece are disassembled, the internal thread taper pins can be disassembled, so that the U-shaped ball body can be taken out for maintenance.
Description
Technical Field
The utility model relates to the field of fixed ball valves, in particular to a flow-adjusting type hard-seal fixed ball valve.
Background
The surface of the hard seal ball valve is subjected to advanced spraying technology, the highest hardness can reach HRC78 through treatment on various working conditions, the highest hardness can reach HRC72 through treatment on the sealing surface of the valve seat, the ball body and the valve seat are subjected to pairing grinding, and all sealing areas of the whole sealing surface of the ball valve are subjected to precise grinding, so that the ball valve is suitable for high-temperature and high-pressure water, steam, petroleum, coal, fiber, thick and corrosive media and media with particles. The metal sealing ball valve is provided with a floating ball and a fixed ball, and the metal valve seat ring is contacted with the spherical surface, so that the valve seat ring and the spherical surface form a seal through uniform spring load acting on the valve seat ring.
When the hard sealing ball valve works, the valve body is driven to work by an electric actuator, the outer part of the ball body is subjected to hardening spraying processing, so that the use strength of the ball body can be improved, but after the ball body is used for a period of time, the surface of the ball body is sprayed and worn by impact, so that the ball body needs to be regularly maintained, and the conventional hard sealing ball valve is inconvenient to disassemble and maintain the ball body.
Disclosure of Invention
The utility model aims to provide a flow-regulating type hard-seal fixed ball valve so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flow regulated hard seal fixed ball valve comprising:
a valve body and an electric actuator;
the top of the valve body inner cavity is rotationally connected with an upper valve rod, the bottom of the valve body inner cavity is provided with a lower valve rod, a U-shaped ball body is arranged between the upper valve rod and the lower valve rod, and one side of the valve body is provided with a mounting assembly for sealing and limiting the U-shaped ball body;
the installation assembly comprises two internal thread taper pins, a limiting piece and a fixing piece, wherein the limiting piece and the fixing piece limit and seal the U-shaped ball body.
Preferably, both ends of one side of the U-shaped ball body are fixedly connected with connecting pieces, and one ends of the outer walls of the upper valve rod and the lower valve rod, which are opposite, are fixedly sleeved with the two connecting pieces respectively through internal thread taper pins.
Preferably, the outer wall of the limiting part is in sliding sleeve joint with the valve body, one side of the limiting part is attached to one side of the U-shaped sphere, and the outer wall of the fixing part is in sliding sleeve joint with the valve body.
Preferably, one end of the outer wall of the limiting part is in sliding sleeve joint with the fixing part, one side of the fixing part is provided with a plurality of connecting bolts, and the fixing part is fixedly connected with the valve body through the connecting bolts.
Preferably, one end of the outer wall of the limiting piece is sleeved with a disc spring, one side of the disc spring is attached to the fixing piece, the outer wall of the limiting piece is provided with an annular groove, and the inner cavity of the annular groove is sleeved with a sealing lantern ring in a sliding mode.
Preferably, the bottom of valve body is provided with the bottom, be provided with plane bearing between bottom and the lower valve rod, the bottom of bottom is provided with a plurality of fixing bolt, the bottom passes through fixing bolt and valve body fixed connection, the cover is equipped with first packing cover between the bottom of lower valve rod outer wall and the valve body.
Preferably, a second filling sleeve is sleeved between the outer wall of the upper valve rod and the valve body, a packing gland is sleeved at the top of the outer wall of the upper valve rod in a sliding manner, a plurality of positioning bolts are arranged at the top of the packing gland, and the packing gland is fixedly connected with the valve body through the positioning bolts.
The utility model has the technical effects and advantages that:
the utility model utilizes the cooperation of the valve body, the upper valve rod, the lower valve rod, the U-shaped ball body and the installation component, wherein the installation component comprises an internal thread taper pin, a limiting piece, a fixing piece, a connecting bolt, a disc spring and a sealing collar, the U-shaped ball body is installed between the upper valve rod and the lower valve rod through two internal thread taper pins, and after the limiting piece and the fixing piece are disassembled, the internal thread taper pin can be disassembled, so that the U-shaped ball body can be taken out and maintained.
Drawings
FIG. 1 is a schematic side view of the present utility model.
Fig. 2 is a schematic diagram of the front internal structure of the present utility model.
FIG. 3 is a schematic view of the front internal structure of the valve body part of the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a valve body; 2. an electric actuator; 3. an upper valve rod; 4. a lower valve rod; 5. u-shaped spheres; 6. a mounting assembly; 61. an internally threaded conical pin; 62. a limiting piece; 63. a fixing member; 64. a connecting bolt; 65. a disc spring; 66. a sealing collar; 7. a planar bearing; 8. a bottom cover; 9. a second filling sleeve; 10. a packing gland; 11. and (5) fixing bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model provides a flow regulated hard seal fixed ball valve as shown in fig. 1-4, comprising:
the valve body 1 and the electric actuator 2, the output of electric actuator 2 is connected with last valve rod 3 transmission to when electric actuator 2 drove the rotation of last valve rod 3, U type spheroid 5 rotated corresponding angle, the top of valve body 1 inner chamber rotates and is connected with last valve rod 3, and the bottom of valve body 1 inner chamber is provided with down valve rod 4, is provided with U type spheroid 5 between last valve rod 3 and the lower valve rod 4, and one side of valve body 1 is provided with the installation component 6 that is used for sealed the limiting of U type spheroid 5.
Specifically, the installation component 6 includes two internal thread taper pins 61, locating part 62 and mounting 63 are sealed to U type spheroid 5 spacing, the equal fixedly connected with connecting piece in both ends of U type spheroid 5 one side, the relative one end of upper valve rod 3 and lower valve rod 4 outer wall all fixedly cup joints with two connecting pieces respectively through internal thread taper pin 61, internal thread taper pin 61 can be fixed upper valve rod 3 and lower valve rod 4 on two connecting pieces, dismantle internal thread taper pin 61, just can remove lower valve rod 4, make it and connecting piece separation, then just can dismantle U type spheroid 5.
Further, the outer wall of the limiting piece 62 is in sliding sleeve connection with the valve body 1, one side of the limiting piece 62 is attached to one side of the U-shaped ball 5, the outer wall of the fixing piece 63 is in sliding sleeve connection with the valve body 1, one side of the limiting piece 62 is matched with one side of the arc of the U-shaped ball 5, and accordingly one side of the arc of the U-shaped ball 5 is attached to one side of the limiting piece 62, and the valve body 1 can be sealed.
Further, one end of the outer wall of the limiting piece 62 is slidably sleeved with the fixing piece 63, a plurality of connecting bolts 64 are arranged on one side of the fixing piece 63, and the fixing piece 63 is fixedly connected with the valve body 1 through the connecting bolts 64.
Further, one end of the outer wall of the limiting piece 62 is sleeved with a disc spring 65, the disc spring 65 can provide an elastic supporting force for the limiting piece 62, so that one side of the limiting piece 62 and one side of the arc of the U-shaped sphere 5 keep a stable fit state, tightness of the valve body 1 is guaranteed, one side of the disc spring 65 is attached to the fixing piece 63, an annular groove is formed in the outer wall of the limiting piece 62, and an inner cavity of the annular groove is sleeved with the sealing collar 66 in a sliding mode.
Further, the bottom of valve body 1 is provided with bottom 8, be provided with plane bearing 7 between bottom 8 and the lower valve rod 4, plane bearing 7 can reduce the resistance that lower valve rod 4 rotated and receive, the bottom of bottom 8 is provided with a plurality of fixing bolt 11, dismantle fixing bolt 11, just can take off bottom 8, and then dismantle lower valve rod 4, bottom 8 passes through fixing bolt 11 and valve body 1 fixed connection, the cover is equipped with first packing cover between the bottom of lower valve rod 4 outer wall and valve body 1, first packing cover can improve the leakproofness between lower valve rod 4 and the valve body 1 inner chamber.
Further, a second filling sleeve 9 is sleeved between the outer wall of the upper valve rod 3 and the valve body 1, the second filling sleeve 9 can improve the tightness between the upper valve rod 3 and the cavity of the valve body 1, a packing gland 10 can limit the second filling sleeve 9 and lock the upper valve rod 3, the top of the outer wall of the upper valve rod 3 is sleeved with the packing gland 10 in a sliding manner, a plurality of positioning bolts are arranged at the top of the packing gland 10, and the packing gland 10 is fixedly connected with the valve body 1 through the positioning bolts.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A flow regulated hard seal fixed ball valve comprising:
a valve body (1) and an electric actuator (2);
the method is characterized in that: the top of the inner cavity of the valve body (1) is rotationally connected with an upper valve rod (3), the bottom of the inner cavity of the valve body (1) is provided with a lower valve rod (4), a U-shaped ball body (5) is arranged between the upper valve rod (3) and the lower valve rod (4), and one side of the valve body (1) is provided with a mounting assembly (6) for sealing and limiting the U-shaped ball body (5);
the mounting assembly (6) comprises two internal thread taper pins (61), a limiting piece (62) and a fixing piece (63), and the limiting piece (62) and the fixing piece (63) limit and seal the U-shaped ball body (5).
2. The flow-regulating type hard sealing fixed ball valve according to claim 1, wherein two ends of one side of the U-shaped ball body (5) are fixedly connected with connecting pieces, and two opposite ends of the outer walls of the upper valve rod (3) and the lower valve rod (4) are fixedly sleeved with the two connecting pieces respectively through internal thread taper pins (61).
3. The flow-regulating type hard-seal fixed ball valve according to claim 1, wherein the outer wall of the limiting piece (62) is in sliding sleeve joint with the valve body (1), one side of the limiting piece (62) is attached to one side of the U-shaped ball body (5), and the outer wall of the fixing piece (63) is in sliding sleeve joint with the valve body (1).
4. A flow-regulating type hard-seal fixed ball valve according to claim 3, wherein one end of the outer wall of the limiting member (62) is slidably sleeved with the fixing member (63), a plurality of connecting bolts (64) are arranged on one side of the fixing member (63), and the fixing member (63) is fixedly connected with the valve body (1) through the connecting bolts (64).
5. The flow-regulating hard-seal fixed ball valve according to claim 4, wherein one end of the outer wall of the limiting piece (62) is sleeved with a disc spring (65), one side of the disc spring (65) is attached to the fixing piece (63), the outer wall of the limiting piece (62) is provided with an annular groove, and an inner cavity of the annular groove is sleeved with a sealing collar (66) in a sliding manner.
6. The flow-regulating hard-seal fixed ball valve according to claim 1, wherein a bottom cover (8) is arranged at the bottom of the valve body (1), a plane bearing (7) is arranged between the bottom cover (8) and the lower valve rod (4), a plurality of fixing bolts (11) are arranged at the bottom of the bottom cover (8), the bottom cover (8) is fixedly connected with the valve body (1) through the fixing bolts (11), and a first filling sleeve is sleeved between the bottom of the outer wall of the lower valve rod (4) and the valve body (1).
7. The flow-regulating type hard-seal fixed ball valve according to claim 1, wherein a second filling sleeve (9) is sleeved between the outer wall of the upper valve rod (3) and the valve body (1), a packing gland (10) is sleeved on the top of the outer wall of the upper valve rod (3) in a sliding manner, a plurality of positioning bolts are arranged on the top of the packing gland (10), and the packing gland (10) is fixedly connected with the valve body (1) through the positioning bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066584.3U CN219866372U (en) | 2023-05-06 | 2023-05-06 | Flow-regulating hard-sealing fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066584.3U CN219866372U (en) | 2023-05-06 | 2023-05-06 | Flow-regulating hard-sealing fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866372U true CN219866372U (en) | 2023-10-20 |
Family
ID=88334309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066584.3U Active CN219866372U (en) | 2023-05-06 | 2023-05-06 | Flow-regulating hard-sealing fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866372U (en) |
-
2023
- 2023-05-06 CN CN202321066584.3U patent/CN219866372U/en active Active
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