CN215950426U - Wear-resistant corrugated pipe stop valve with long service life - Google Patents
Wear-resistant corrugated pipe stop valve with long service life Download PDFInfo
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- CN215950426U CN215950426U CN202122327326.3U CN202122327326U CN215950426U CN 215950426 U CN215950426 U CN 215950426U CN 202122327326 U CN202122327326 U CN 202122327326U CN 215950426 U CN215950426 U CN 215950426U
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Abstract
The utility model discloses a wear-resistant corrugated pipe stop valve with a long service life, and relates to the technical field of valves, wherein a cylindrical pin is fixedly arranged at the lower end of a corrugated pipe adjusting assembly; the valve seat is fixedly arranged on the partition sheet in the valve body; a plurality of grooves are formed on the inner side wall of the valve seat in a round angle manner; the sealing seat is movably embedded in the valve seat, and the upper side surface of the sealing seat is fixedly arranged on the bottom surface of the cylindrical pin; the bottom surface of the sealing ring is movably abutted against the top surface of the valve seat; the compression springs are a plurality of and fixedly embedded on the top surface of the sealing ring at equal fillets respectively, and the upper ends of the compression springs are fixedly connected with the inner top surface of the sealing seat; the supporting plate is fixedly arranged inside the valve seat, and three through holes corresponding to the grooves are formed in the supporting plate; the secondary seal subassembly is three, and wait fillet setting respectively inside the flange lateral wall of seal receptacle downside, and the device is after receiving wearing and tearing, and the leakproofness between valve clack and the disk seat is not influenced, has increased the life of device.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a wear-resistant corrugated pipe stop valve with a long service life.
Background
The bellows seal stop valve is a valve for controlling the flow; by adopting the design of bellows seal, the defects that the common valve rod packing is quick in aging and easy to leak are completely eliminated, the energy efficiency is improved, the safety of production equipment is improved, the maintenance cost and frequent maintenance are reduced, and a clean and safe working environment is provided; however, in the prior art, the bellows stop valve is easily abraded by repeated friction between the valve flap and the valve seat in the using process, which affects the overall sealing performance and service life of the device, and therefore a bellows stop valve with high abrasion resistance and service life is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reasonably designed wear-resistant corrugated pipe stop valve with long service life aiming at the defects and shortcomings of the prior art, and the sealing performance between a valve clack and a valve seat is not influenced after the device is worn, so that the service life of the device is prolonged.
In order to achieve the purpose, the utility model adopts the following technical scheme: the valve comprises a valve body, a valve cover and a corrugated pipe adjusting assembly; the upper side of the valve body is fixedly connected with a valve cover, and the corrugated pipe adjusting assembly penetrates through the valve cover through thread rotation and then extends into the valve body;
it also includes:
the cylindrical pin is fixedly arranged at the lower end of the corrugated pipe adjusting assembly;
the valve seat is fixedly arranged on the partition plate in the valve body; a plurality of grooves are formed on the inner side wall of the valve seat in a round angle manner;
the sealing seat is movably embedded in the valve seat, and the upper side surface of the sealing seat is fixedly arranged on the bottom surface of the cylindrical pin; the bottom surface of the sealing seat is arranged in a step shape;
the sealing ring is movably embedded in an annular groove formed in the step surface of the sealing seat, and the bottom surface of the sealing ring is movably abutted with the top surface of the valve seat;
the compression springs are a plurality of and fixedly embedded on the top surface of the sealing ring at equal fillets respectively, and the upper ends of the compression springs are fixedly connected with the inner top surface of the sealing seat;
the supporting plate is fixedly arranged inside the valve seat, and three through holes corresponding to the grooves are formed in the supporting plate;
the secondary seal assembly, the secondary seal assembly be three, and the fillet setting is inside the flange lateral wall of seal receptacle downside respectively.
Preferably, the secondary seal assembly comprises:
one end of the sealing adjusting block is movably inserted in a telescopic groove formed in a flange of the sealing seat, and the other end of the sealing adjusting block is abutted against the inner side wall of a groove formed in the valve seat;
one end of the adjusting rod is fixedly connected with the side wall of the sealing adjusting block, and the other end of the adjusting rod penetrates through the telescopic groove and then extends into an adjusting groove formed in the bottom surface of the sealing seat;
the extension spring, the extension spring cover establish on the regulation pole of flexible inslot portion, the one end of extension spring and the lateral wall fixed connection of sealed regulating block, the other end and the inside wall fixed connection in flexible groove.
Preferably, the middle part of the upper side surface of the supporting plate is fixedly provided with a conical round table, the end of the adjusting rod extending into the adjusting groove is provided with chamfers matched with the conical round table, and the side wall of the conical round table is matched with the end of the adjusting rod.
Preferably, a graphite sealing bearing is fixedly arranged between the sealing ring and the inner side wall of the step surface of the sealing seat.
Compared with the prior art, the utility model has the beneficial effects that: according to the wear-resistant corrugated pipe stop valve with the long service life, after the device is worn, the sealing performance between the valve clack and the valve seat is not affected, the service life of the device is prolonged, and the wear-resistant corrugated pipe stop valve has the advantages of being reasonable in arrangement, low in manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of a connection structure of the secondary sealing mechanism and the valve seat of the present invention.
Fig. 4 is a schematic structural view of the support plate of the present invention.
Description of reference numerals:
the device comprises a valve body 1, a valve cover 2, a corrugated pipe adjusting assembly 3, a cylindrical pin 4, a valve seat 5, a groove 6, a sealing seat 7, a sealing ring 8, a compression spring 9, a supporting plate 10, a through hole 11, a secondary sealing assembly 12, a sealing adjusting block 12-1, an adjusting rod 12-2, a tension spring 12-3, a telescopic groove 12-4, an adjusting groove 12-5, a conical round table 13 and a graphite sealing bearing 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the valve comprises a valve body 1, a valve cover 2 and a corrugated pipe adjusting component 3; the upper side of the valve body 1 is fixedly connected with a valve cover 2, and the corrugated pipe adjusting assembly 3 penetrates through the valve cover 2 through thread rotation and then extends into the valve body 1;
it also includes:
the cylindrical pin 4 is fixedly arranged at the lower end of the corrugated pipe adjusting assembly 3 through a bolt;
the valve seat 5 is fixedly arranged on a partition sheet in the valve body 1 through bolts; a plurality of grooves 6 are formed on the inner side wall of the valve seat 5 at equal round angles;
the sealing seat 7 is movably embedded in the valve seat 5, and the upper side surface of the sealing seat 7 is fixedly arranged on the bottom surface of the cylindrical pin 4 through a bolt; the bottom surface of the sealing seat 7 is arranged in a step shape;
the sealing ring 8 is movably embedded in an annular groove formed in the step surface of the sealing seat 7, and the bottom surface of the sealing ring 8 is movably abutted with the top surface of the valve seat 5;
the compression springs 9 are provided with a plurality of equal-fillet corners and fixedly embedded on the top surface of the sealing ring 8, and the upper ends of the compression springs 9 are fixedly connected with the inner top surface of the sealing seat 7;
the supporting plate 10 is fixedly welded inside the valve seat 5, and three through holes 11 corresponding to the grooves 6 are formed in the supporting plate 10;
and three secondary sealing assemblies 12, wherein the secondary sealing assemblies 12 are arranged in the flange side wall of the lower side of the sealing seat 7 at equal round angles respectively.
Preferably, the secondary seal assembly 12 further comprises:
one end of the sealing adjusting block 12-1 is movably inserted in a telescopic groove 12-4 formed in a flange of the sealing seat 7, and the other end of the sealing adjusting block 12-1 is abutted against the inner side wall of a groove 6 formed in the valve seat 5;
one end of the adjusting rod 12-2 is fixedly connected with the side wall of the sealing adjusting block 12-1, and the other end of the adjusting rod 12-2 passes through the telescopic groove 12-4 and then extends into an adjusting groove 12-5 formed in the bottom surface of the sealing seat 7;
the adjusting device comprises a tension spring 12-3, wherein the tension spring 12-3 is sleeved on an adjusting rod 12-2 in the telescopic groove 12-4, one end of the tension spring 12-3 is fixedly connected with the side wall of a sealing adjusting block 12-1, the other end of the tension spring 12-3 is fixedly connected with the inner side wall of the telescopic groove 12-4, and the tension spring 12-3 enables the sealing adjusting block 12-1 to be contracted into the telescopic groove 12-4.
As a preferable scheme, furthermore, a conical round table 13 is fixedly welded in the middle of the upper side surface of the supporting plate 10, chamfers matched with the conical round table 13 are arranged on the ends of the adjusting rod 12-2 extending into the adjusting groove 12-5, and the side wall of the conical round table 13 is matched with the end of the adjusting rod 12-2.
Preferably, a graphite seal bearing 14 is fixedly arranged between the seal ring 8 and the inner side wall of the step surface of the seal seat 7, so that the smoothness of rotation of the seal ring 8 is ensured, and the sealing performance can be ensured.
The working principle of the specific embodiment is as follows: the inlet and outlet opening ends of the valve body 1 are connected with an external pipeline, the position of the sealing seat 7 is adjusted through the corrugated pipe adjusting assembly 3, when the sealing seat 7 is sealed with the valve seat 5, the sealing ring 8 is tightly abutted against the upper side surface of the valve seat 5 under the action of reverse compression force of the compression spring 9, and when the bottom surface of the sealing ring 8 is abraded, the compression spring 9 enables the sealing ring 8 to be tightly abutted against the upper side surface of the valve seat 5 all the time; when the flange at the lower side of the sealing seat 7 is embedded in the valve seat 5, the conical round table 13 is inserted in the adjusting groove 12-5; the side wall of the conical round platform 13 extrudes the adjusting rod 12-2 outwards, so that the sealing adjusting block 12-1 is embedded in the groove 6 to seal the groove 6 in the valve seat 5 and simultaneously seal the through hole 11 on the supporting seat.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the sealing ring 8 is always abutted to the top surface of the valve seat 5 by the reverse compression force of the compression spring 9, and after the sealing ring 8 is worn, the sealing property between the sealing ring 8 and the valve seat 5 is not influenced, so that the service life of the device is prolonged;
2. the seal adjusting block 12-1 is adjusted through the tension spring 12-3 and the conical round table 13 to perform secondary sealing on the groove 6 in the middle of the valve seat 5, so that the sealing performance of the device is improved.
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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (4)
1. A wear-resistant corrugated pipe stop valve with long service life comprises a valve body (1), a valve cover (2) and a corrugated pipe adjusting assembly (3); the upper side of the valve body (1) is fixedly connected with a valve cover (2), and the corrugated pipe adjusting assembly (3) passes through the valve cover (2) through screw rotation and then extends into the valve body (1);
it is characterized in that it also comprises:
the cylindrical pin (4), the said cylindrical pin (4) is fixed to set up in the underpart of the bellows regulating assembly (3);
the valve seat (5), the said valve seat (5) is fixed on the spacer in the valve block (1); a plurality of grooves (6) are formed on the inner side wall of the valve seat (5) in a manner of equal round angles;
the sealing seat (7) is movably embedded in the valve seat (5), and the upper side surface of the sealing seat (7) is fixedly arranged on the bottom surface of the cylindrical pin (4); the bottom surface of the sealing seat (7) is arranged in a step shape;
the sealing ring (8) is movably embedded in an annular groove formed in the step surface of the sealing seat (7), and the bottom surface of the sealing ring (8) is movably abutted to the top surface of the valve seat (5);
the compression springs (9) are provided with a plurality of equal-fillet-angle fixed embedding on the top surface of the sealing ring (8), and the upper ends of the compression springs (9) are fixedly connected with the inner top surface of the sealing seat (7);
the supporting plate (10) is fixedly arranged inside the valve seat (5), and three through holes (11) corresponding to the grooves (6) are formed in the supporting plate (10);
the secondary sealing assemblies (12) are three, and the secondary sealing assemblies (12) are respectively arranged in the flange side wall on the lower side of the sealing seat (7) in an equal-fillet mode.
2. A wear resistant long life bellows shut-off valve as in claim 1 wherein: the secondary seal assembly (12) comprises:
one end of the sealing adjusting block (12-1) is movably inserted into a telescopic groove (12-4) formed in a flange of the sealing seat (7), and the other end of the sealing adjusting block (12-1) is arranged in a manner of being abutted against the inner side wall of a groove (6) formed in the valve seat (5);
one end of the adjusting rod (12-2) is fixedly connected with the side wall of the sealing adjusting block (12-1), and the other end of the adjusting rod (12-2) penetrates through the telescopic groove (12-4) and then extends into an adjusting groove (12-5) formed in the bottom surface of the sealing seat (7);
the adjusting device comprises a tension spring (12-3), the tension spring (12-3) is sleeved on an adjusting rod (12-2) inside the telescopic groove (12-4), one end of the tension spring (12-3) is fixedly connected with the side wall of the sealing adjusting block (12-1), and the other end of the tension spring is fixedly connected with the inner side wall of the telescopic groove (12-4).
3. A wear resistant long life bellows shut-off valve as in claim 2 wherein: the middle part of the upper side surface of the supporting plate (10) is fixedly provided with a conical round table (13), the ends of the adjusting rod (12-2) extending into the adjusting groove (12-5) are provided with chamfers matched with the conical round table (13), and the side wall of the conical round table (13) is matched with the ends of the adjusting rod (12-2).
4. A wear resistant long life bellows shut-off valve as in claim 1 wherein: and a graphite sealing bearing (14) is fixedly arranged between the sealing ring (8) and the inner side wall of the step surface of the sealing seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327326.3U CN215950426U (en) | 2021-09-26 | 2021-09-26 | Wear-resistant corrugated pipe stop valve with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327326.3U CN215950426U (en) | 2021-09-26 | 2021-09-26 | Wear-resistant corrugated pipe stop valve with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950426U true CN215950426U (en) | 2022-03-04 |
Family
ID=80427841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122327326.3U Active CN215950426U (en) | 2021-09-26 | 2021-09-26 | Wear-resistant corrugated pipe stop valve with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215950426U (en) |
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2021
- 2021-09-26 CN CN202122327326.3U patent/CN215950426U/en active Active
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