CN214789153U - Ball valve is with preventing leaking seal structure - Google Patents
Ball valve is with preventing leaking seal structure Download PDFInfo
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- CN214789153U CN214789153U CN202120934981.2U CN202120934981U CN214789153U CN 214789153 U CN214789153 U CN 214789153U CN 202120934981 U CN202120934981 U CN 202120934981U CN 214789153 U CN214789153 U CN 214789153U
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Abstract
The utility model discloses a ball valve is with preventing leaking seal structure relates to ball valve sealing device technical field, including import valve body, export valve body, valve ball, reference column, movable hole, displacement slider, pressure spring, activity recess, extrusion ring, extrusion recess, block recess, locking bolt and valve rod. The utility model discloses a set up pressure spring, reference column and displacement slider have played the effect that improves the sealed effect of device, make the ball valve lead to first sealing washer to appear wearing and tearing after long-term the use, also can not reduce its sealed effect, prolonged life, convenient and practical, the result of use preferred, still through setting up the extrusion ring, extrusion recess and block recess have played the effect that further improves the leakproofness, utilize the extrusion to make and keep high inseparable laminating between sealing member and the connecting piece outer wall, its area of contact of trapezoidal structure contrast traditional planar structure is bigger simultaneously, it is better to prevent the leakage effect, the sealing performance of device has effectively been improved.
Description
Technical Field
The utility model relates to a ball valve sealing device technical field specifically is a ball valve is with preventing leaking seal structure.
Background
The ball valve is an opening and closing part used in a pipeline and used for controlling the flow and the on-off of fluid in the pipeline, a valve core in the valve rotates through a rotating handle above the valve, the flow rate of the fluid passing through the valve can be regulated and controlled, the ball valve is fast and fast to open and close due to strong flow force, the ball valve is convenient to install and more in connection mode, the application range is wide, the valve seat is not tight in sealing due to the fact that various factors can cause the valve seat to be not tight regardless of single patterns or combined patterns, and therefore medium leakage is also one of common problems of the ball valve.
And the sealed effect between the disk seat of current ball valve and the valve ball is relatively poor, and the valve ball can and the sealing member between have dynamic friction under the drive of valve rod, and after long-term the use, the sealing member will be worn and torn, leads to the leakproofness to reduce, appears leaking, is unfavorable for the long-term use of device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball valve is with preventing leaking seal structure to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a leakage-proof sealing structure for a ball valve comprises an inlet valve body, wherein an outlet valve body is fixedly connected to one side of the outer wall of the inlet valve body, a valve rod which is rotatably connected is vertically arranged on one side of the inner part of the inlet valve body, a valve ball is arranged at the bottom of the valve rod in the inlet valve body, valve seats are respectively arranged on the adjacent inner walls of the inlet valve body and the outlet valve body and outside the valve ball, a plurality of positioning columns are respectively and fixedly connected to one sides of the inner walls of the inlet valve body and the outlet valve body, which are close to the adjacent valve seats, movable holes matched with the positioning columns are arranged on one side of the outer wall of the valve seat, a displacement slider is movably connected to the inner wall of each movable hole, a compression spring is fixedly connected to one side of the outer wall of the displacement slider, which is far away from the valve ball, a movable groove is arranged on one side of the outer wall of the valve seat, which is close to the valve ball, a first sealing ring is movably connected to the inner side of the adjacent movable groove, the utility model discloses a valve ball, including the disk seat, the disk seat is close to the outer wall one side of valve ball and is equipped with the second sealing washer, the second sealing washer is located one side that adjacent displacement slider was kept away from to first sealing washer, the inner wall one side of import valve body and export valve body all be equipped with disk seat assorted third sealing washer, the outer wall one side fixedly connected with extrusion ring that the export valve body is close to the import valve body, extrusion ring's cross-section is isosceles trapezoid, outer wall one side of import valve body be equipped with extrusion ring assorted extrusion recess, inner wall one side of extrusion recess is equipped with the fourth sealing washer, outer wall one side that the fourth sealing washer is close to extrusion ring is equipped with the block recess, the outer wall of export valve body is equipped with a plurality of and import valve body assorted locking bolt.
Furthermore, the valve seat is equipped with the recess of placing with second sealing washer assorted on one side of the outer wall that is close to the valve ball, and during the use, the second sealing washer keeps closely laminating with the valve ball in placing the recess, and it plays the effect of restriction second sealing washer displacement.
Furthermore, the inner wall one side of import valve body and export valve body all is equipped with third sealing washer assorted positioning groove, during the installation, third sealing washer keeps closely laminating with positioning groove, and it plays the effect that the third sealing washer of location ensures its sealed effect of performance.
Further, first sealing washer is close to outer wall one side of valve ball and is equipped with the laminating chute, during the use, first sealing washer keeps comprehensive contact through laminating chute and valve ball outer wall, and it plays the effect that improves first sealing washer and seals the effect.
Further, the inner wall one side of import valve body and export valve body all is equipped with and settles the recess with disk seat assorted, during the equipment, the disk seat is stably located the inner wall of import valve body and export valve body through settling the recess, and it plays and reduces assembly error, improves stable effect.
Furthermore, the outer wall side of the first sealing ring, which is far away from the valve ball, is provided with a plurality of positioning holes matched with the displacement sliding block, and when the valve ball is used, the displacement sliding block is fixedly connected with the first sealing ring through the positioning holes, so that the first sealing ring is prevented from rotating randomly and the stability is improved.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. this ball valve is with preventing leaking seal structure has played the effect that improves the sealed effect of device through setting up first sealing washer, pressure spring, reference column and displacement slider for the ball valve leads to first sealing washer to appear wearing and tearing after long-term the use when also can not reduce its sealed effect, has prolonged life, convenient and practical, the result of use preferred.
2. This ball valve is with preventing leaking seal structure has played the effect that further improves the leakproofness through setting up extrusion ring, extrusion recess, fourth sealing washer and block recess, utilizes the extrusion to make and keeps the inseparable laminating of height between sealing member and the connecting piece outer wall, and its area of contact of trapezoidal structure contrast traditional planar structure is bigger simultaneously, prevents leaking the effect better, has effectively improved the sealing performance of device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
fig. 4 is a schematic structural view of the engaging groove of the present invention.
In the figure: 1. an inlet valve body; 2. an outlet valve body; 3. a valve ball; 4. a valve seat; 5. a positioning column; 6. a movable hole; 7. a displacement slide block; 8. a compression spring; 9. a movable groove; 10. a first seal ring; 11. a second seal ring; 12. a third seal ring; 13. an extrusion ring; 14. extruding the groove; 15. a fourth seal ring; 16. clamping the groove; 17. locking the bolt; 18. a valve stem.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the ball valve leakage-proof sealing structure comprises an inlet valve body 1, an outlet valve body 2 is fixedly connected to one side of the outer wall of the inlet valve body 1, a rotatably connected valve rod 18 is vertically arranged on one side of the inner part of the inlet valve body 1, a valve ball 3 is arranged at the bottom of the valve rod 18 in the inlet valve body 1, valve seats 4 are respectively arranged on the adjacent inner walls of the inlet valve body 1 and the outlet valve body 2 at the outer sides of the valve balls 3, a plurality of positioning columns 5 are respectively and fixedly connected to one sides of the inner walls of the inlet valve body 1 and the outlet valve body 2 close to the adjacent valve seats 4, a movable hole 6 matched with the positioning columns 5 is arranged on one side of the outer wall of the valve seat 4, a displacement slider 7 is movably connected to the inner wall of the movable hole 6, a compression spring 8 is fixedly connected to one side of the outer wall of the displacement slider 7 far away from the valve ball 3, and a movable groove 9 is arranged on one side of the outer wall of the valve seat 4 close to the valve ball 3, the inner wall swing joint of activity recess 9 has first sealing washer 10, the one end that displacement slider 7 is close to valve ball 3 all extends to adjacent activity recess 9 inboard and first sealing washer 10 fixed connection, outer wall one side that disk seat 4 is close to valve ball 3 is equipped with second sealing washer 11, second sealing washer 11 is located one side that adjacent displacement slider 7 was kept away from to first sealing washer 10, the inner wall one side of import valve body 1 and export valve body 2 all is equipped with and disk seat 4 assorted third sealing washer 12.
One side of the outer wall of the valve seat 4, which is close to the valve ball 3, is provided with a placing groove matched with the second sealing ring 11, and when the valve seat is used, the second sealing ring 11 is tightly attached to the valve ball 3 in the placing groove, so that the second sealing ring 11 can be limited in displacement.
One side of the inner walls of the inlet valve body 1 and the outlet valve body 2 is provided with a positioning groove matched with the third sealing ring 12, and during installation, the third sealing ring 12 is tightly attached to the positioning groove, so that the third sealing ring 12 is positioned to ensure that the third sealing ring 12 plays a role in playing a sealing effect.
First sealing washer 10 keeps away from outer wall one side of valve ball 3 and is equipped with a plurality of and displacement slider 7 assorted locating hole, during the use, displacement slider 7 carries out fixed connection through locating hole and first sealing washer 10, and it plays and avoids first sealing washer 10 to rotate at will and then improves stable effect.
The implementation mode is specifically as follows: when the device is used, the valve ball 3 is driven by the valve rod 18 to rotate, and then the circulation of a medium between the inlet valve body 1 and the outlet valve body 2 is controlled, when the first sealing ring 10 is abraded on one side close to the outer wall of the valve ball 3, because the positioning column 5 extends into the movable hole 6 to extrude the compression spring 8, the compression spring 8 applies an acting force on the displacement slide block 7 in an equal way, the displacement slide block 7 pushes the first sealing ring 10 to move, the first sealing ring 10 slides out from the movable groove 9 and continues to be tightly attached to the valve ball 3, even if the first sealing ring 10 is abraded, a higher attaching degree can be kept between the first sealing ring 10 and the valve ball 3, so that the sealing performance is ensured, the second sealing ring 11 performs double sealing on a small amount of medium leaked through the first sealing ring 10, the third sealing ring 12 ensures that the medium cannot be leaked from the outer wall of the valve seat 4, and the sealing effect of the device is improved through the structure, make the ball valve lead to first sealing washer 10 to appear wearing and tearing after long-term the use, also can not reduce its sealed effect, prolonged life, convenient and practical, the result of use preferred.
As shown in fig. 1 and fig. 3-4, the leakage-proof sealing structure for the ball valve further comprises a squeezing ring 13 fixedly connected to one side of the outer wall of the outlet valve body 2, the squeezing ring 13 is located on one side of the outer wall of the outlet valve body 2 close to the inlet valve body 1, the cross section of the squeezing ring 13 is isosceles trapezoid, a squeezing groove 14 matched with the squeezing ring 13 is arranged on one side of the outer wall of the inlet valve body 1, a fourth sealing ring 15 is arranged on one side of the inner wall of the squeezing groove 14, a clamping groove 16 is arranged on one side of the outer wall of the fourth sealing ring 15 close to the squeezing ring 13, and a plurality of locking bolts 17 matched with the inlet valve body 1 are arranged on the outer wall of the outlet valve body 2.
The implementation mode is specifically as follows: during the equipment, at first place fourth sealing washer 15 in extrusion recess 14 inboardly, through locking bolt 17 with import valve body 1 and export valve body 2 fixed connection afterwards, extrusion ring 13 extrudees fourth sealing washer 15 inboard that stretches into block recess 16 under export valve body 2's drive this moment, in extrusion ring 13, keep closely laminating between fourth sealing washer 15 and the extrusion recess 14, the effect of further improvement leakproofness has been played through the structure more than setting up, utilize the extrusion to make and keep the inseparable laminating of height between sealing member and the connecting piece outer wall, trapezoidal structure contrast its area of contact of traditional planar structure is bigger simultaneously, it is better to prevent leaking the effect, the sealing performance of device has effectively been improved.
The utility model discloses a theory of operation:
referring to the attached drawings 1-2 of the specification, the first sealing ring 10, the compression spring 8, the positioning column 5 and the displacement slider 7 are arranged to improve the sealing effect of the device, so that the sealing effect of the first sealing ring 10 cannot be reduced when the first sealing ring is abraded after the ball valve is used for a long time, the service life is prolonged, and the ball valve is convenient and practical and has a better use effect.
Furthermore, referring to the attached drawing 1 and fig. 3-4 of the specification, the extrusion ring 13, the extrusion groove 14, the fourth sealing ring 15 and the clamping groove 16 are arranged to further improve the sealing performance, the extrusion is utilized to keep high close fit between the sealing element and the outer wall of the connecting piece, meanwhile, compared with the traditional plane structure, the trapezoidal structure has a larger contact area, the anti-leakage effect is better, and the sealing performance of the device is effectively improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a ball valve is with preventing leaking seal structure, includes import valve body (1), its characterized in that: an outlet valve body (2) is fixedly connected to one side of the outer wall of the inlet valve body (1), a valve rod (18) which is connected in a rotating mode is vertically arranged on one side of the inner portion of the inlet valve body (1), a valve ball (3) is arranged at the bottom of the valve rod (18) inside the inlet valve body (1), valve seats (4) are arranged on the outer sides of the valve balls (3) and on the adjacent inner walls of the inlet valve body (1) and the outlet valve body (2), a plurality of positioning columns (5) are fixedly connected to one sides, close to the adjacent valve seats (4), of the inner walls, movable holes (6) matched with the positioning columns (5) are formed in one side of the outer wall of each valve seat (4), a displacement slider (7) is movably connected to the inner wall of each movable hole (6), and a compression spring (8) is fixedly connected to one side, far away from the valve ball (3), of each displacement slider (7), the valve seat (4) is provided with a movable groove (9) on one side of the outer wall close to the valve ball (3), the inner wall of the movable groove (9) is movably connected with a first sealing ring (10), one end of the displacement sliding block (7) close to the valve ball (3) extends to the inner side of the adjacent movable groove (9) and is fixedly connected with the first sealing ring (10), one side of the outer wall of the valve seat (4) close to the valve ball (3) is provided with a second sealing ring (11), the second sealing ring (11) is positioned on one side of the first sealing ring (10) far away from the adjacent displacement sliding block (7), one sides of the inner walls of the inlet valve body (1) and the outlet valve body (2) are provided with a third sealing ring (12) matched with the valve seat (4), one side of the outer wall of the outlet valve body (2) close to the inlet valve body (1) is fixedly connected with an extrusion ring (13), the cross section of the extrusion ring (13) is isosceles trapezoid, the outer wall one side of import valve body (1) is equipped with and extrudes ring (13) assorted extrusion recess (14), inner wall one side of extrusion recess (14) is equipped with fourth sealing washer (15), outer wall one side that fourth sealing washer (15) are close to extrusion ring (13) is equipped with block recess (16), the outer wall of export valve body (2) is equipped with a plurality of and import valve body (1) assorted locking bolt (17).
2. A leak-proof seal structure for a ball valve according to claim 1, characterized in that: one side of the valve seat (4) close to the outer wall of the valve ball (3) is provided with a placing groove matched with the second sealing ring (11).
3. A leak-proof seal structure for a ball valve according to claim 1, characterized in that: and one sides of the inner walls of the inlet valve body (1) and the outlet valve body (2) are provided with positioning grooves matched with the third sealing ring (12).
4. A leak-proof seal structure for a ball valve according to claim 1, characterized in that: and one side of the first sealing ring (10) close to the outer wall of the valve ball (3) is provided with a fitting chute.
5. A leak-proof seal structure for a ball valve according to claim 1, characterized in that: and one sides of the inner walls of the inlet valve body (1) and the outlet valve body (2) are provided with mounting grooves matched with the valve seat (4).
6. A leak-proof seal structure for a ball valve according to claim 1, characterized in that: and a plurality of positioning holes matched with the displacement sliding blocks (7) are formed in one side, far away from the outer wall of the valve ball (3), of the first sealing ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120934981.2U CN214789153U (en) | 2021-05-04 | 2021-05-04 | Ball valve is with preventing leaking seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120934981.2U CN214789153U (en) | 2021-05-04 | 2021-05-04 | Ball valve is with preventing leaking seal structure |
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| Publication Number | Publication Date |
|---|---|
| CN214789153U true CN214789153U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120934981.2U Active CN214789153U (en) | 2021-05-04 | 2021-05-04 | Ball valve is with preventing leaking seal structure |
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| Country | Link |
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| CN (1) | CN214789153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906366A (en) * | 2023-08-29 | 2023-10-20 | 哈尔滨东轻金属材料加工有限公司 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
-
2021
- 2021-05-04 CN CN202120934981.2U patent/CN214789153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116906366A (en) * | 2023-08-29 | 2023-10-20 | 哈尔滨东轻金属材料加工有限公司 | Mechanical sealing device for wear-resistant corrosion-resistant chemical pump |
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