CN212203214U - Anti-leakage valve body and valve body assembly - Google Patents
Anti-leakage valve body and valve body assembly Download PDFInfo
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- CN212203214U CN212203214U CN202020939015.5U CN202020939015U CN212203214U CN 212203214 U CN212203214 U CN 212203214U CN 202020939015 U CN202020939015 U CN 202020939015U CN 212203214 U CN212203214 U CN 212203214U
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Abstract
The utility model discloses an anti-leakage valve body, which comprises an integrally formed valve body, wherein a valve cavity is arranged in the valve body, one end of the valve body is provided with a first communicating channel, and the other end is provided with a connecting port coaxial with the first communicating channel; one end, close to the valve cavity, of the first communication passage is provided with a large-diameter section I, and the inner diameter of the large-diameter section I is larger than that of the first communication passage and forms a shaft shoulder I; a mounting ring I in sliding fit with the large-diameter section I is arranged in the large-diameter section I, a limiting ring I extending radially inwards is arranged on the mounting ring I, and a valve seat I is arranged on one side, facing the valve cavity, of the limiting ring I; annular array is equipped with mounting hole I on the shoulder I, the installation is equipped with in the mounting hole I and is used for the drive to correspond mounting ring I moves towards the spring I that the valve pocket removed, just mounting ring I with be equipped with at least one first sealing washer I between the big footpath section I. The utility model also discloses an antiseep valve body subassembly.
Description
Technical Field
The utility model relates to a ball valve, specific be an antiseep valve body and valve body subassembly.
Background
The opening and closing part (ball) of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. Because the abrasion inevitably exists between the valve seat and the ball body of the ball valve, after the ball valve is used for a long time, the sealing performance between the valve seat and the ball body is reduced due to the abrasion, and the service life of the ball valve is reduced.
Chinese patent publication No. CN209511175U discloses a ball valve provided with a wear compensation mechanism for driving the valve seat to move inwardly in a direction perpendicular to the valve stem. The wear compensation mechanism comprises compensation holes which are annularly and uniformly distributed on corresponding limiting rings, an inner side opening is formed in one end, facing the sphere, of each compensation hole, a push pin which is in sliding fit with the compensation holes and can extend out of the inner side opening of the compensation holes is sleeved in each compensation hole, one end of each push pin is in contact fit with the corresponding valve seat, and a spring which is used for applying elastic force to the push pins and driving the push pins to extend out of the inner side openings is further arranged in each compensation hole. Although the abrasion compensation mechanism can compensate the abrasion loss between the valve seat and the ball body, under the action of the spring, a gap exists between the valve seat and the limiting ring, so that the sealing performance between the valve seat and the valve body and between the valve seat and the limiting ring is reduced, and the leakage phenomenon exists.
Disclosure of Invention
In view of this, the utility model aims at providing an antiseep valve body and valve body subassembly, the ball valve that adopts this antiseep valve body and valve body subassembly not only can compensate the wearing and tearing between disk seat and the spheroid, can effectively improve sealing performance moreover, prevents the seepage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an anti-leakage valve body comprises an integrally formed valve body, wherein a valve cavity is arranged in the valve body, one end of the valve body is provided with a first communicating channel, and the other end of the valve body is provided with a connecting port coaxial with the first communicating channel;
a large-diameter section I is arranged at one end, close to the valve cavity, of the first communication passage, the inner diameter of the large-diameter section I is larger than that of the first communication passage, and a shaft shoulder I is formed between the large-diameter section I and the first communication passage; a mounting ring I in sliding fit with the large-diameter section I is arranged in the large-diameter section I, a limiting ring I extending radially inwards is arranged on the mounting ring I, and a valve seat I is arranged on one side, facing the valve cavity, of the limiting ring I;
annular array is equipped with mounting hole I on the shoulder I, the installation is equipped with in the mounting hole I and is used for the drive to correspond mounting ring I moves towards the spring I that the valve pocket removed, just mounting ring I with be equipped with at least one first sealing washer I between the big footpath section I.
Further, collar I towards on one side of shaft shoulder I with I one-to-one in mounting hole is equipped with erection column I, I extension of erection column stretches into the correspondence in the mounting hole I, I suit of spring is in on the erection column I.
Further, be equipped with on the valve body with first communication channel vertically valve rod mounting hole, the valve rod mounting hole is including being close to spacing section of valve pocket one side and keeping away from the packing section of valve pocket one side, be equipped with the seal section between spacing section and the packing section, the internal diameter of seal section is less than the internal diameter of spacing section and packing section.
Furthermore, an internal thread section is also arranged in the filling section.
The utility model also provides an anti-leakage valve body assembly, which comprises a valve cover and the anti-leakage valve body, wherein the valve cover is fixedly arranged on the connecting port;
a second communicating channel coaxial with the first communicating channel is arranged in the valve cover, a large-diameter section II is arranged at one end, close to the valve cavity, of the second communicating channel, the inner diameter of the large-diameter section II is larger than that of the second communicating channel, and a shaft shoulder II is formed between the large-diameter section II and the second communicating channel; a mounting ring II in sliding fit with the large-diameter section II is arranged in the large-diameter section II, a limiting ring II extending radially inwards is arranged on the mounting ring II, and a valve seat II is arranged on one side, facing the valve cavity, of the limiting ring II;
annular array is equipped with mounting hole II on II shoulders, the installation is equipped with in II mounting holes and is used for the drive to correspond II orientation of mounting ring the spring II that the valve pocket removed, just mounting ring II with be equipped with one at least first sealing washer II between II sections of major diameter.
Furthermore, the mounting ring II faces the side face of one side of the shaft shoulder II and is provided with mounting columns II in one-to-one correspondence with the mounting holes II, the mounting columns II extend into the mounting holes II, and the spring is sleeved on the mounting columns II.
The beneficial effects of the utility model reside in that:
the utility model discloses an antiseep valve body sets up collar I respectively through the one side that is close to the valve pocket in first intercommunication passageway to install disk seat I on collar I, utilize I drive collar I of spring to remove along first intercommunication passageway, can compensate wearing and tearing between disk seat I and the spheroid, and through set up first sealing washer I between collar I and the first intercommunication passageway that corresponds, can avoid rivers from seepage between collar I and the first intercommunication passageway, adopt promptly the utility model discloses antiseep valve body's ball valve can imitate and improve sealing performance, prevents the seepage.
In the same way, the utility model discloses an antiseep valve body subassembly sets up collar II respectively through the one side that is close to the valve pocket at second intercommunication passageway to install valve seat II on collar II, utilize II drive collar II of spring to remove along first intercommunication passageway, can compensate wearing and tearing between valve seat II and the spheroid, and through set up first sealing washer II between collar II and the second intercommunication passageway that corresponds, can avoid rivers from the seepage between collar II and the second intercommunication passageway, adopt promptly the utility model discloses antiseep valve body's ball valve can imitate improvement sealing performance, prevents the seepage.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural view of an embodiment of the anti-leakage valve assembly of the present invention;
FIG. 2 is a schematic structural view of the anti-leakage valve body of the present embodiment;
FIG. 3 is a schematic structural view of a ball valve employing the anti-leakage valve body assembly of the present embodiment;
FIG. 4 is detail A of FIG. 3;
FIG. 5 is detail B of FIG. 3;
fig. 6 is a perspective view of the ball valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, it is a schematic structural view of the embodiment of the anti-leakage valve body assembly of the present invention. The anti-leakage valve body assembly of the embodiment comprises a valve cover 6 and an anti-leakage valve body.
Specifically, the anti-leakage valve body of the embodiment comprises an integrally formed valve body 1, wherein a valve cavity 2 is arranged in the valve body 1, one end of the valve body is provided with a first communication channel 5, and the other end of the valve body is provided with a connection port 33 which is coaxial with the first communication channel 5; the bonnet 6 is fixedly mounted on the connection port 33. One end of the first communication passage 5, which is close to the valve cavity 2, is provided with a large-diameter section I5 a, the inner diameter of the large-diameter section I5 a is larger than that of the first communication passage 5, and a shaft shoulder I5 b is formed between the large-diameter section I5 a and the first communication passage 5; be equipped with in the major diameter section I5 a rather than sliding fit's collar I8, be equipped with radial inside extension's spacing ring I10 on the collar I8, spacing ring I10 is equipped with disk seat I12 towards one side of valve pocket 2. Annular array is equipped with mounting hole I14 on shoulder I5 b, and the installation is equipped with in mounting hole I14 and is used for driving the corresponding mounting ring I8 towards spring I16 that valve chamber 2 removed, and is equipped with at least one first sealing washer I18 between mounting ring I8 and the big footpath section I5 a.
The antiseep valve body of this embodiment sets up collar I respectively through the one side that is close to the valve pocket at first intercommunication passageway to install disk seat I on collar I, utilize I drive collar I of spring to remove along first intercommunication passageway, can compensate wearing and tearing between disk seat I and the spheroid, and through set up first sealing washer I between collar I and the first intercommunication passageway that corresponds, can avoid rivers from seepage between collar I and the first intercommunication passageway, adopt promptly the utility model discloses antiseep valve body's ball valve can imitate and improve sealing performance, prevents the seepage.
A second communication channel 7 which is coaxial with the first communication channel 5 is arranged in the valve cover 6 of the embodiment, one end, close to the valve cavity 2, of the second communication channel 7 is provided with a large-diameter section II 7a, the inner diameter of the large-diameter section II 7a is larger than that of the second communication channel 7, and a shaft shoulder II 7b is formed between the large-diameter section II 7a and the second communication channel 7; be equipped with in the major diameter section II 7a rather than sliding fit's collar II 9, be equipped with radial inward extension's spacing ring II 11 on the collar II 9, one side that spacing ring II 11 faces the valve pocket 2 is equipped with disk seat II 13. An annular array is equipped with mounting hole II 15 on the shaft shoulder II 7b, and the installation is equipped with in II 15 mounting hole and is used for driving II 9 of corresponding mounting ring and move towards valve chamber 2 spring II 17, and is equipped with at least one first sealing washer II 19 between II 9 of mounting ring and the major diameter section II 7 a.
Similarly, the antiseep valve body assembly of this embodiment sets up collar II respectively through the one side that is close to the valve pocket at second intercommunication passageway, and install disk seat II on collar II, utilize II drive collar II of spring to remove along first intercommunication passageway, can compensate wearing and tearing between disk seat II and the spheroid, and through set up first sealing washer II between collar II and the second intercommunication passageway that corresponds, can avoid rivers from the seepage between collar II and the second intercommunication passageway, adopt promptly the utility model discloses antiseep valve body's ball valve can imitate the improvement sealing performance, prevents the seepage.
Further, the I8 side of collar facing axle shoulder I5 b on one side the side with mounting hole I14 one-to-one be equipped with erection column I20, in I20 of the extension of erection column stretched into corresponding mounting hole I14, spring I16 suit was on I20 of erection column. And the side surface of one side, facing the shaft shoulder II 7b, of the mounting ring II 9 is provided with mounting columns II 21 in one-to-one correspondence with the mounting holes II 15, the mounting columns II 21 extend into the mounting holes II 15, and the spring is sleeved on the mounting columns II 21.
Be equipped with on the valve body 1 of this embodiment with 5 vertically valve rod mounting holes of first intercommunication passageway, the valve rod mounting hole is equipped with seal segment 24 including spacing section 22 that is close to valve chamber 2 one side and the filler section 23 of keeping away from valve chamber 2 one side between spacing section 22 and the filler section 23, and seal segment 24's internal diameter is less than spacing section 22 and the internal diameter of filler section 23. An internal thread section 29 is also provided in the filler section 23.
Fig. 3 is a schematic structural view of a ball valve using the anti-leakage valve body assembly of the present embodiment. This ball valve includes valve body 1, is equipped with valve pocket 2 in the valve body 1, is equipped with spheroid 3 in the valve pocket 2, is equipped with on the valve body 1 to be used for driving 3 pivoted valve rod mechanisms of spheroid, and valve rod mechanism includes valve rod 4. One end of the valve body 1 is provided with a first communicating channel 5, the other end of the valve body is provided with a valve cover 6 fixedly installed on the connecting port 33, and a second communicating channel 7 coaxial with the first communicating channel 5 is arranged in the valve cover 6. Threaded connection between the valve gap 6 of this embodiment and the valve body 1, and be equipped with sealing washer 32 between valve gap 6 and the valve body 1. Through setting up valve gap 6, can make things convenient for the installation of spare parts such as collar 8 in first intercommunication passageway 5, also be convenient for simultaneously the installation of spare parts such as collar 9 in the second intercommunication passageway 7.
The one end that first intercommunication passageway 5 of this embodiment is close to the valve chamber 2 is equipped with big footpath section I5 a, and the one end that second intercommunication passageway 7 is close to the valve chamber 2 is equipped with big footpath section II 7 a. The inner diameter of the large-diameter section I5 a is larger than that of the corresponding first communication channel 5, and a shaft shoulder I5 b is formed between the large-diameter section I5 a and the first communication channel 5. Be equipped with in the major diameter section I5 a rather than sliding fit's collar I8, be equipped with radial inside extension's spacing ring I10 on the collar I8, spacing ring I10 is equipped with disk seat I12 towards spheroid 3 one side. The large diameter section II 7a has an inner diameter larger than that of the second communicating passage 7 and forms a shoulder II 7b between the large diameter section II 7a and the second communicating passage 7. Be equipped with in the major diameter section II 7a rather than sliding fit's collar II 9, be equipped with radial inward extension's spacing ring II 11 on the collar II 9, spacing ring II 11 is equipped with disk seat II 13 towards one side of spheroid 3.
Annular array is equipped with mounting hole I14 on the shaft shoulder I5 b of this embodiment, and the installation is equipped with in the mounting hole I14 and is used for driving the I8 of the mounting ring that corresponds and moves towards spheroid 3 spring I16, and is equipped with at least one first sealing washer I18 between I8 of mounting ring and the big footpath section I5 a that corresponds. The annular array is equipped with mounting hole II 15 on the shaft shoulder II 7b of this embodiment, and the installation is equipped with in II 15 of mounting hole and is used for driving II 9 of corresponding mounting ring and towards II 17 of the spring that spheroid 3 removed, and is equipped with at least one first sealing washer II 19 between II 9 of mounting ring and the big footpath section II 7a that corresponds.
Further, the one side of the installing ring I8 of this embodiment towards corresponding shaft shoulder I5 b on the side with the mounting hole I14 one-to-one be equipped with erection column I20, in the erection column I20 extended to stretch into mounting hole I14, spring I16 suit was on erection column I20. Similarly, the side face, facing the corresponding shaft shoulder II 7b, of the mounting ring II 9 is provided with mounting columns II 21 in one-to-one correspondence with the mounting holes II 15, the mounting columns II 21 extend into the corresponding mounting holes II 15, and the springs II 17 are sleeved on the mounting columns II 21.
Further, be equipped with on the valve body 1 with the perpendicular valve rod mounting hole of first intercommunication passageway 5, the valve rod mounting hole is equipped with seal segment 24 including spacing section 22 that is close to valve chamber 2 one side and the section of packing 23 of keeping away from valve chamber 2 one side between spacing section 22 and the section of packing 23, and seal segment 24's internal diameter is less than spacing section 22 and the internal diameter of packing section 23. Correspondingly, the valve rod 4 comprises a limit collar 25 positioned in the limit section 4, and at least one second sealing ring 26 is arranged between the valve rod 4 and the sealing section 24; the valve rod 4 is sleeved with a packing 27 positioned in the packing section 23 and a packing nut 28 for compressing and fixing the packing 27, and the packing nut 28 is in threaded fit with the valve body 1. The filler 27 of this embodiment is made of polyethylene fluoride, specifically, an internal thread section 29 is further provided in the filler section 23 of this embodiment, and a filler nut 28 is in threaded fit with the internal thread section 29. In the present embodiment, the sealing structure combining the packing 27 and the second sealing ring 26 is adopted, firstly, the positioning error caused by the processing error is solved in the positioning, the sealing is a sealing form with a double structure, and the second sealing ring 26 plays a role in solving the positioning error caused by the processing error in addition to the sealing function.
Further, a handle 30 and a lock nut 31 for locking the handle 30 are sleeved on the valve rod 4.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (6)
1. The utility model provides a antiseep valve body which characterized in that: the valve comprises an integrally formed valve body (1), wherein a valve cavity (2) is arranged in the valve body (1), one end of the valve body is provided with a first communicating channel (5), and the other end of the valve body is provided with a connecting port (33) coaxial with the first communicating channel (5);
a large-diameter section I (5a) is arranged at one end, close to the valve cavity (2), of the first communication passage (5), the inner diameter of the large-diameter section I (5a) is larger than that of the first communication passage (5), and a shaft shoulder I (5b) is formed between the large-diameter section I (5a) and the first communication passage (5); a mounting ring I (8) in sliding fit with the large-diameter section I (5a) is arranged in the large-diameter section I (5a), a limiting ring I (10) extending inwards in the radial direction is arranged on the mounting ring I (8), and a valve seat I (12) is arranged on one side, facing the valve cavity (2), of the limiting ring I (10);
annular array is equipped with mounting hole I (14) on shaft shoulder I (5b), the installation is equipped with in mounting hole I (14) and is used for the drive to correspond I (8) orientation of mounting ring spring I (16) that valve chamber (2) removed, just mounting ring I (8) with be equipped with one at least first sealing washer I (18) between big footpath section I (5 a).
2. The leak-proof valve body of claim 1, wherein: installing ring I (8) towards on the side of one side of shaft shoulder I (5b) with mounting hole I (14) one-to-one is equipped with erection column I (20), I (20) of erection column extend into the correspondence in the mounting hole I (14), spring I (16) suit is in on the erection column I (20).
3. The leak-proof valve body of claim 1, wherein: the valve body (1) is provided with a valve rod mounting hole perpendicular to the first communicating channel (5), the valve rod mounting hole comprises a limiting section (22) close to one side of the valve cavity (2) and a filling section (23) far away from one side of the valve cavity (2), a sealing section (24) is arranged between the limiting section (22) and the filling section (23), and the inner diameter of the sealing section (24) is smaller than the inner diameters of the limiting section (22) and the filling section (23).
4. The leak-proof valve body of claim 3, wherein: an internal thread section (29) is also arranged in the filling section (23).
5. An antiseep valve body assembly, its characterized in that: comprises a valve cover (6) and a leakage-proof valve body as claimed in any one of claims 1-4, wherein the valve cover (6) is fixedly installed on the connecting port (33);
a second communication channel (7) which is coaxial with the first communication channel (5) is arranged in the valve cover (6), a large-diameter section II (7a) is arranged at one end, close to the valve cavity (2), of the second communication channel (7), the inner diameter of the large-diameter section II (7a) is larger than that of the second communication channel (7), and a shaft shoulder II (7b) is formed between the large-diameter section II (7a) and the second communication channel (7); a mounting ring II (9) in sliding fit with the large-diameter section II (7a) is arranged in the large-diameter section II (7a), a limiting ring II (11) extending inwards in the radial direction is arranged on the mounting ring II (9), and a valve seat II (13) is arranged on one side, facing the valve cavity (2), of the limiting ring II (11);
annular array is equipped with mounting hole II (15) on shoulder II (7b), the installation is equipped with in mounting hole II (15) and is used for the drive to correspond II (9) orientation of mounting ring spring II (17) that valve pocket (2) removed, just mounting ring II (9) with be equipped with one at least first sealing washer II (19) between big footpath section II (7 a).
6. The leak-proof valve body assembly of claim 5, wherein: the mounting ring II (9) faces the side face of one side of the shaft shoulder II (7b) and the mounting holes II (15) are provided with mounting columns II (21) in a one-to-one correspondence mode, the mounting columns II (21) extend into the mounting holes II (15), and the spring is sleeved on the mounting columns II (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939015.5U CN212203214U (en) | 2020-05-28 | 2020-05-28 | Anti-leakage valve body and valve body assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939015.5U CN212203214U (en) | 2020-05-28 | 2020-05-28 | Anti-leakage valve body and valve body assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203214U true CN212203214U (en) | 2020-12-22 |
Family
ID=73813462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020939015.5U Active CN212203214U (en) | 2020-05-28 | 2020-05-28 | Anti-leakage valve body and valve body assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203214U (en) |
-
2020
- 2020-05-28 CN CN202020939015.5U patent/CN212203214U/en active Active
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