CN220816628U - Sealing structure of ball valve - Google Patents
Sealing structure of ball valve Download PDFInfo
- Publication number
- CN220816628U CN220816628U CN202322795625.9U CN202322795625U CN220816628U CN 220816628 U CN220816628 U CN 220816628U CN 202322795625 U CN202322795625 U CN 202322795625U CN 220816628 U CN220816628 U CN 220816628U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- ball
- sealing
- ball core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 17
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a sealing structure of a ball valve, which comprises a valve body, a transmission device, a valve rod, a ball core and a valve seat, wherein the transmission device is arranged on the valve body, the valve seat is arranged in the valve body, the valve rod is connected with the ball core and forms sealing fit with the valve seat, a first compensation component and a second compensation component are respectively arranged on two sides of the valve seat, the first compensation component comprises an elastic piece and a sealing gasket, one end of the sealing gasket is tightly pressed on the elastic piece and tightly pressed on the ball core, the second compensation component comprises an elastic piece, a first dustproof ring and a second dustproof ring, the elastic piece is tightly pressed between the valve body and the valve seat at one side far away from the elastic piece, and the first dustproof ring and the second dustproof ring are respectively arranged at one side of the valve seat and tightly pressed on the valve body.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a cleaning structure for a ball valve.
Background
The ball valve is one of common valves, its closing member is a sphere, the sphere rotates 90 degrees around the center line of the valve body to achieve the opening and closing of the valve, the main function of the ball valve in the pipeline is to cut off, adjust the flow of the medium or change the flow direction of the medium, in the prior art, the common ball valve sealing structure is that the sealing gasket is embedded in the valve seat, the valve seat is fixed on the valve body through the bolt, the sealing gasket is fixed relatively to the valve seat. The traditional sealing form has the defects that the sealing gasket is slightly worn, so that the sealing gasket and the ball body are not contacted any more, the sealing failure is caused, the service life of the sealing form is short, the reliability is low, the replacement probability of the sealing gasket is high, and the maintenance cost of enterprises is increased.
Disclosure of utility model
The utility model aims to provide a sealing structure of a ball valve, which can solve the problem that in the prior art, a gap is generated between a sealing gasket of the ball valve and a ball body after the sealing gasket is worn, so that leakage is caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a seal structure of ball valve, includes valve body, transmission, valve rod, ball core and disk seat, transmission installs on the valve body, the disk seat is installed in the valve body, the valve rod is connected the ball core and is formed sealed cooperation with the disk seat, first compensation subassembly and second compensation subassembly are installed respectively to the disk seat both sides, first compensation subassembly includes elastic component and sealing gasket, sealing gasket one end compresses tightly on the elastic component and supports tightly on the ball core, and second compensation subassembly includes elastic component and first dust ring and second dust ring, the elastic component supports tightly between the valve body and the disk seat of keeping away from elastic component one side, first dust ring and second dust ring are installed respectively in disk seat one side and are supported tightly on the valve body.
Through adopting above-mentioned technical scheme, sealing gasket supports tightly on the ball core through the elastic component is flexible, after ball core and sealing gasket wearing and tearing, can stretch out through the elastic component and equal distance with the wearing and tearing volume, keep continuing to keep with the ball core between support tight sealing force, simultaneously in order to prevent support tight force between disk seat and the ball core too tight or too loose, press from both sides between disk seat and the valve body and establish the elastic component, when the ball core rotates to open and airtight, the disk seat can utilize the elastic component to carry out flexible regulation for the disk seat realizes that two-way regulation compensation is sealed, the sealing gasket of ball valve produces the clearance between wearing and tearing back and spheroid among the prior art has been solved, thereby lead to the problem of leakage, can reduce sealing gasket's excessive wear again simultaneously.
The utility model is further characterized in that one side of the valve seat, which faces the ball core, is provided with an annular groove, the elastic piece is arranged in the annular groove, one end of the sealing gasket is inserted into the annular groove and abutted against the elastic piece, and the other end of the sealing gasket is abutted against the ball core.
Through adopting above-mentioned technical scheme, sealing gasket utilizes the utilization of inlaying to establish in the ring channel and utilizes the elastic component to realize flexible regulation, stretches out according to the size of sealing ring wearing and tearing degree, utilizes the ring channel can guarantee that the stroke of elastic component is stable.
The sealing gasket is further provided with an annular convex part on one side facing the elastic piece, the annular convex part is arranged in a concave shape, and one end of the elastic piece is abutted against the annular convex part.
Through adopting above-mentioned technical scheme, set up annular convex part in sealing gasket one side, can guarantee that the stretching effort of elastic component is stable distributes on sealing gasket, avoid appearing the condition that the elastic component inclines.
The utility model is further characterized in that a limit groove is formed in one side, far away from the annular groove, of the valve seat, one end of the elastic piece is abutted against the limit groove, and the other end of the elastic piece extends towards one side of the valve body and is abutted against the valve body.
Through adopting above-mentioned technical scheme, offered the spacing groove in disk seat one side of keeping away from the ring channel for inlay and establish the elastic component, play the concertina function through the elastic component, adjust the tight sealing force of support between ball core and the valve body, avoid supporting tight force between disk seat and the ball core too tight or too loose.
The utility model is further characterized in that a first positioning groove and a second positioning groove are formed in one side of the annular groove, a space is formed between the first positioning groove and the second positioning groove, the first dustproof ring is embedded in the first positioning groove and abutted against the valve body, and the second dustproof ring is embedded in the second positioning groove and abutted against the valve body.
Through adopting above-mentioned technical scheme, set up first dust ring and second dust ring between disk seat and valve body, disk seat can utilize a dust ring and second dust ring to reduce the wearing and tearing with the valve body at flexible in-process, play sealed and dirt-proof effect simultaneously.
The utility model is further characterized in that a positioning boss is arranged on one side of the valve seat facing the ball core, and a positioning groove matched with the positioning boss is formed in the valve body.
Through adopting above-mentioned technical scheme, utilize location boss and constant head tank to form and slide spacingly, guaranteed the stability that slides of disk seat, avoid producing to rock at flexible in-process.
The valve is further characterized in that one side, far away from the ball core, of the valve seat is provided with an extension support leg, the valve body is provided with a sliding groove for sliding of the extension support leg, the sliding groove is provided with a sealing groove, a sealing ring is embedded in the sealing groove, and one end of the sealing ring is abutted against the inside of the sealing groove, and the other end of the sealing ring is abutted against the extension support leg.
Through adopting above-mentioned technical scheme, utilize extension stabilizer blade and seal groove to form sliding fit, set up the sealing washer between extension stabilizer blade and the valve body simultaneously, avoid medium, magazine and crystallization material infiltration structure inside.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of the portion A of the present utility model;
Fig. 3 is an enlarged view of the portion B of the present utility model.
In the figure: 1. a valve body; 2. a transmission device; 3. a valve stem; 4. a core; 5. a valve seat; 6. a first compensation assembly; 7. a second compensation assembly; 8. an elastic member; 9. a sealing gasket; 10. an elastic member; 11. a first dust ring; 12. a second dust ring; 13. an annular groove; 14. an annular convex portion; 15. a limit groove; 16. a first positioning groove; 17. a second positioning groove; 18. positioning the boss; 19. a positioning groove; 20. an extension leg; 21. a chute; 22. sealing grooves; 24. and (3) sealing rings.
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.
Examples: the sealing structure of the ball valve comprises a valve body 1, a transmission device 2, a valve rod 3, a ball core 4 and a valve seat 5, wherein the transmission device 2 is arranged on the valve body 1, the valve seat 5 is arranged in the valve body 1, the valve rod 3 is connected with the ball core 4 and forms sealing fit with the valve seat 5, a first compensation component 6 and a second compensation component 7 are respectively arranged at two sides of the valve seat 5, the first compensation component 6 comprises an elastic piece 8 (which is arranged in an annular array, particularly a pressure spring) and a sealing gasket 9 (particularly a rubber material), one end of the sealing gasket 9 is pressed on the elastic piece 8 and is abutted against the ball core 4, the second compensation component 7 comprises an elastic piece 10 (particularly a pressure spring) and a first dust-proof ring 11 and a second dust-proof ring 12 (particularly rubber material), the elastic piece 10 is abutted against a part between the valve body 1 and the valve seat 5 which are far away from one side of the elastic piece 8, the first dust-proof ring 11 and the second dust-proof ring 12 are respectively arranged at one side of the valve seat 5 and tightly support the valve body 1, the sealing gasket 9 is tightly supported on the ball core 4 in a telescopic way through the elastic piece 8, when the ball core 4 and the sealing gasket 9 are worn, the elastic piece 8 can extend out for a distance equal to the wearing amount, the tight supporting sealing force between the ball core 4 is continuously maintained, meanwhile, in order to prevent the tight supporting force between the valve seat 5 and the ball core 4 from being too tight or too loose, the elastic piece 10 is clamped between the valve seat 5 and the valve body 1, when the ball core 4 is rotated to be opened and closed, the valve seat 5 can be regulated in a telescopic way through the elastic piece 10, so that the valve seat 5 realizes bidirectional regulation and compensation sealing, the problem that the sealing gasket 9 of the ball valve in the prior art generates a gap between the ball and a ball body after being worn is solved, and leakage is caused, while at the same time reducing excessive wear of the sealing gasket 9.
As shown in fig. 2, the valve seat 5 is provided with an annular groove 13 towards one side of the ball core 4, the elastic piece 8 is installed in the annular groove 13, one end of the sealing gasket 9 is inserted into the annular groove 13 and abuts against the elastic piece 8, the other end of the sealing gasket abuts against the ball core 4, the sealing gasket 9 is in telescopic adjustment by utilizing the elastic piece 8 embedded in the annular groove 13, and extends out according to the abrasion degree of the sealing ring, and the travel stability of the elastic piece 8 can be ensured by utilizing the annular groove 13.
As shown in fig. 2, the sealing gasket 9 is provided with an annular protrusion 14 (as an integral structure) towards one side of the elastic element 8, the annular protrusion 14 is in a concave shape, one end of the elastic element 8 is abutted against the annular protrusion 14, and the annular protrusion 14 is arranged on one side of the sealing gasket 9, so that the stretching acting force of the elastic element 8 can be ensured to be stably distributed on the sealing gasket 9, and the situation that the elastic element 8 is inclined is avoided.
As shown in fig. 3, a limit groove 15 is provided on one side of the valve seat 5 far away from the annular groove 13, one end of the elastic member 10 abuts against the limit groove 15, the other end extends towards one side of the valve body 1 and abuts against the valve body 1, and the limit groove 15 is provided on one side of the valve seat 5 far away from the annular groove 13 and is used for embedding the elastic member 10, and the elastic member 10 plays a role in stretching, so as to adjust the tight sealing force between the ball core 4 and the valve body 1 and avoid the too tight or too loose tight sealing force between the valve seat 5 and the ball core 4.
As shown in fig. 1, a first positioning groove 16 and a second positioning groove 17 are formed on one side of the annular groove 13, a space is formed between the first positioning groove 16 and the second positioning groove 17, the first dust-proof ring 11 is embedded in the first positioning groove 16 and abuts against the valve body 1, the second dust-proof ring 12 is embedded in the second positioning groove 17 and abuts against the valve body 1, the first dust-proof ring 11 and the second dust-proof ring 12 are arranged between the valve seat 5 and the valve body 1, and the valve seat 5 can reduce abrasion with the valve body 1 in the expansion process by utilizing the dust-proof ring and the second dust-proof ring 12, and simultaneously has the functions of sealing and dust prevention.
As shown in fig. 2, the valve seat 5 is provided with a positioning boss 18 (as an integral structure) towards one side of the ball core 4, and the valve body 1 is provided with a positioning groove 19 adapted to the positioning boss 18, and the positioning boss 18 and the positioning groove 19 form a sliding limit, so that the sliding stability of the valve seat 5 is ensured, and shaking is avoided in the telescoping process.
As shown in fig. 3, an extension support 20 (as an integral structure) is disposed on one side of the valve seat 5 away from the ball core 4, a sliding groove 21 for sliding the extension support 20 is formed in the valve body 1, a sealing groove 22 is formed in the sliding groove 21, a sealing ring 24 is embedded in the sealing groove 22, one end of the sealing ring 24 abuts against the extension support 20, the other end of the sealing ring 24 abuts against the extension support 20, sliding fit is formed between the extension support 20 and the sealing groove 22, and meanwhile, the sealing ring 24 is clamped between the extension support 20 and the valve body 1, so that medium, magazines and crystalline substances are prevented from penetrating into the structure.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
Claims (7)
1. The utility model provides a seal structure of ball valve, includes valve body (1), transmission (2), valve rod (3), ball core (4) and disk seat (5), transmission (2) are installed on valve body (1), disk seat (5) are installed in valve body (1), ball core (4) and disk seat (5) are connected to valve rod (3) form sealed cooperation, its characterized in that: the valve seat (5) both sides are installed first compensation subassembly (6) and second compensation subassembly (7) respectively, first compensation subassembly (6) are including elastic component (8) and sealing washer (9), sealing washer (9) one end compresses tightly on elastic component (8) and supports tightly on ball core (4), and second compensation subassembly (7) include elastic component (10) and first dust ring (11) and second dust ring (12), elastic component (10) support tightly between valve body (1) and disk seat (5) of keeping away from elastic component (8) one side, first dust ring (11) and second dust ring (12) are installed respectively in disk seat (5) one side and support tightly on valve body (1).
2. The sealing structure of a ball valve according to claim 1, wherein: the ball core is characterized in that an annular groove (13) is formed in one side, facing the ball core (4), of the valve seat (5), the elastic piece (8) is installed in the annular groove (13), one end of the sealing gasket (9) is inserted into the annular groove (13) and abuts against the elastic piece (8), and the other end of the sealing gasket abuts against the ball core (4).
3. The sealing structure of a ball valve according to claim 2, wherein: the sealing gasket (9) is provided with an annular convex part (14) towards one side of the elastic piece (8), the annular convex part (14) is arranged in a concave shape, and one end of the elastic piece (8) is abutted against the inside of the annular convex part (14).
4. The sealing structure of a ball valve according to claim 1, wherein: a limit groove (15) is formed in one side, away from the annular groove (13), of the valve seat (5), one end of the elastic piece (10) abuts against the limit groove (15), and the other end of the elastic piece extends towards one side of the valve body (1) and abuts against the valve body (1).
5. The sealing structure of a ball valve according to claim 4, wherein: first constant head tank (16) and second constant head tank (17) have been seted up to ring channel (13) one side, be provided with the interval between first constant head tank (16) and second constant head tank (17), first dust collar (11) inlay and establish in first constant head tank (16) and support tightly on valve body (1), second dust collar (12) inlay and establish in second constant head tank (17) and support tightly on valve body (1).
6. The sealing structure of a ball valve according to claim 1, wherein: the valve seat (5) is provided with a positioning boss (18) towards one side of the ball core (4), and a positioning groove (19) matched with the positioning boss (18) is formed in the valve body (1).
7. The sealing structure of a ball valve according to claim 1, wherein: the valve seat (5) is provided with extension stabilizer blade (20) far away from ball core (4) one side, set up spout (21) that supply extension stabilizer blade (20) to slide on valve body (1), set up seal groove (22) on spout (21), seal groove (22) are embedded to be equipped with sealing washer (24), sealing washer (24) one end supports tightly in seal groove (22) the other end supports tightly on extension stabilizer blade (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795625.9U CN220816628U (en) | 2023-10-18 | 2023-10-18 | Sealing structure of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795625.9U CN220816628U (en) | 2023-10-18 | 2023-10-18 | Sealing structure of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816628U true CN220816628U (en) | 2024-04-19 |
Family
ID=90672561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322795625.9U Active CN220816628U (en) | 2023-10-18 | 2023-10-18 | Sealing structure of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816628U (en) |
-
2023
- 2023-10-18 CN CN202322795625.9U patent/CN220816628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220816628U (en) | Sealing structure of ball valve | |
| CN104565421A (en) | Double-power two-way composite sealing type low-temperature ball valve | |
| CN205101569U (en) | But quick change disk seat formula long -life single seat governing valve | |
| CN210118471U (en) | Pressure balance type flip-chip bushing plug valve capable of adjusting sealing specific pressure on line | |
| CN114776878B (en) | Stainless steel multifunctional front valve | |
| CN205446745U (en) | Desulfurization special use control valve sealed firmly | |
| CN201145049Y (en) | Needle valve sealing structure | |
| CN115435124A (en) | Self-operated nitrogen seals governing valve for pressure relief device | |
| CN207554893U (en) | A kind of safety valve and the Pneumatic braking system using the safety valve | |
| CN202056338U (en) | Abrasion-resistant ball valve | |
| CN204300391U (en) | A kind of two way sealed high-performance butterfly valve | |
| CN105927783A (en) | Self-cleaning pressure regulator | |
| CN204900839U (en) | Globe valve | |
| CN201973254U (en) | Butterfly valve | |
| CN208858978U (en) | A kind of high pressure seals diclinic degree ball valve firmly | |
| CN209800769U (en) | Valve and movable valve seat assembly thereof | |
| CN209370509U (en) | A kind of ceramic hard-seal knife-shape gate valve | |
| CN218440650U (en) | Stop valve with early warning mechanism | |
| CN219827757U (en) | Diaphragm structure of valve | |
| CN220227955U (en) | Vacuum breaking valve | |
| CN212297782U (en) | Double-sealing combined valve | |
| CN2331538Y (en) | Controllable gas spring device | |
| CN214662152U (en) | Opening and closing action mechanism of swing arm valve | |
| CN114198524B (en) | Adjustable eccentric friction-free hard sealing ball valve | |
| CN220016125U (en) | Stainless steel groove butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |