CN210014039U - Double-sealing valve core - Google Patents
Double-sealing valve core Download PDFInfo
- Publication number
- CN210014039U CN210014039U CN201920805009.8U CN201920805009U CN210014039U CN 210014039 U CN210014039 U CN 210014039U CN 201920805009 U CN201920805009 U CN 201920805009U CN 210014039 U CN210014039 U CN 210014039U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- valve rod
- valve casing
- rubber ring
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000919 ceramic Substances 0.000 claims abstract description 49
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 5
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a double containment case relates to case technical field, and its technical scheme main points are: the sealing device comprises a valve shell, a valve rod, a movable ceramic chip, a static ceramic chip and a valve seat, wherein a retaining shoulder is formed on the valve rod, a sealing gasket which is abutted against the retaining shoulder is sleeved on the valve rod, and a gap between the valve rod and the valve shell can be sealed by the sealing gasket; a rubber ring is sealed between the valve shell and the static ceramic sheet, the rubber ring comprises a ring body and an isolating strip, the ring body can seal a gap between the valve seat and the static ceramic sheet, and the isolating strip enables water between the water inlet I and the water outlet I not to be communicated easily; the caulking groove is formed in the outer wall of the valve casing, and the sealing ring is embedded in the caulking groove. When the valve core is installed inside the faucet, the sealing ring arranged on the outer wall of the valve shell can seal the gap between the valve core and the faucet, so that water is not easy to flow out from the gap between the valve core and the faucet. The multi-seal simultaneous action can greatly improve the sealing effect of the valve core, so that the valve core has better sealing property.
Description
Technical Field
The utility model relates to a case technical field, in particular to double containment case.
Background
At present, chinese patent with publication number CN202023940U discloses a ceramic valve core, which includes a housing, a valve core rod rotatably connected inside the housing, a fixing block disposed below the valve core rod, a ceramic valve core piece disposed below the fixing block, and a bottom cover disposed below the housing, wherein the ceramic valve core piece includes an upper ceramic valve core piece and a lower ceramic valve core piece, and the lower ceramic valve core piece is provided with a water inlet and a water outlet. However, the ceramic valve core is lack of sealing elements for sealing the gap, that is, water is easy to flow out of the gap during the use of the ceramic valve core, which causes waste of water resources.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a double containment case, it has in the use, and the advantage that water is difficult for flowing out from the clearance.
The above technical purpose of the present invention can be achieved by the following technical solutions: a double-seal valve element comprises a valve casing, a valve rod, a movable ceramic chip, a static ceramic chip and a valve seat, wherein one end of the valve casing is provided with an opening, the valve rod is rotatably connected to the valve casing, the movable ceramic chip is arranged in the valve casing and is circumferentially fixed with the valve rod, the static ceramic chip is arranged in the valve casing and is attached to the movable ceramic chip, the valve seat is connected to the valve casing and is used for covering the opening, a first water inlet and a first water outlet are symmetrically distributed on the static ceramic chip, the valve rod extends into the end part of the valve casing to form a retaining shoulder, a sealing gasket is sleeved on the valve rod and is abutted to the retaining shoulder, and the sealing gasket is used; a rubber ring is sealed between the valve casing and the static ceramic chip and comprises a ring body surrounding the first water inlet and the first water outlet and a separation strip separating the first water inlet and the first water outlet; the valve is characterized in that an annular caulking groove is formed in the outer wall of the valve casing, a sealing ring is embedded in the caulking groove and protrudes out of a groove opening of the caulking groove.
Through above-mentioned technical scheme, set up the clearance that sealing washer between valve rod and valve casing can be sealed with between valve rod and the valve casing for water is difficult to flow out in the clearance between valve rod and the valve casing. The ring body surrounded by the first water inlet and the first water outlet can seal the gap between the valve seat and the static ceramic piece, so that water is not easy to flow out from the gap between the valve seat and the static ceramic piece. And the isolating strip for isolating the first water inlet and the first water outlet is extruded between the valve seat and the static ceramic sheet, so that water between the first water inlet and the first water outlet is not easy to circulate. The sealing washer and the rubber ring are matched to form a cavity inside the valve shell, and water is not easy to flow out of the cavity. When the valve core is installed inside the faucet, the sealing ring arranged on the outer wall of the valve shell can seal the gap between the valve core and the faucet, so that water is not easy to flow out from the gap between the valve core and the faucet.
Preferably, the valve seat is provided with a sealing groove for the rubber ring to be placed in, and when the rubber ring is located inside the sealing groove, the rubber ring protrudes out of the notch of the sealing groove.
Through above-mentioned technical scheme, the rubber circle inlays to be located inside the seal groove and contradicts with the inner wall of seal groove to this guarantees assembling and the in-process of using this case, is difficult for taking place relative displacement between disk seat and the rubber circle, and the rubber circle can effectively seal the clearance between disk seat and the quiet ceramic chip.
Preferably, a bump is integrally formed on the inner wall of the sealing groove and tightly presses the inner wall of the rubber ring.
Through the technical scheme, when the rubber ring is placed inside the sealing groove, the convex block is tightly abutted against the rubber ring, so that the rubber ring is not easy to move inside the sealing groove.
Preferably, the central axis of the caulking groove coincides with the central axis of the valve housing, and the notch of the caulking groove is square in shape.
Through above-mentioned technical scheme, the central axis of caulking groove and the central axis coincidence of valve casing, the caulking groove is less to the destruction of valve casing structural strength this moment for the valve casing is difficult for taking place the damaged condition in the use. The notch shape of caulking groove is square, and when the rubber circle compressive deformation, the rubber circle can be full of the notch of caulking groove.
Preferably, two second limiting blocks are symmetrically distributed on the inner wall of the valve shell, and the second limiting blocks extend along the axial direction of the valve shell; the outer wall of the valve rod is integrally formed with two limiting blocks I, and the two limiting blocks are symmetrically distributed on two sides of the valve rod; when the valve rod rotates, the first limiting block rotates between the second limiting blocks.
Through the technical scheme, the two limiting blocks II arranged on the inner wall of the valve shell can be abutted against the side wall of the limiting block I in the moving process of the limiting block I. The first limiting block and the second limiting block are matched to limit the rotation angle of the valve rod.
Preferably, the end of the valve rod protruding out of the valve casing is provided with anti-slip threads.
Through above-mentioned technical scheme, set up the anti-skidding line on the valve rod and make the user rotate the in-process of valve rod with the hand, difficult emergence is skidded between user's hand and the valve rod.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for showing an appearance structure of the embodiment;
FIG. 2 is an exploded view of the embodiment, mainly used to show the components of the embodiment;
fig. 3 is an exploded schematic view of the embodiment, which is mainly used for showing the structure of each part in the embodiment.
Reference numerals: 1. a valve housing; 2. a valve stem; 3. moving the ceramic sheet; 4. a static ceramic chip; 5. a valve seat; 6. an opening; 7. caulking grooves; 8. a seal ring; 9. a sealing gasket; 10. a positioning end; 11. a first limiting block; 12. a second limiting block; 13. a locking block; 14. a locking post; 15. a locking groove; 16. a through groove; 17. a water storage tank; 18. an oil storage tank; 19. a first water inlet; 20. a first water outlet; 21. a card slot; 22. a guide groove; 23. a clamping block; 24. an inclined surface; 25. penetrating a groove; 26. a limiting block; 27. a locking block; 28. a groove; 29. a water inlet II; 30. a water outlet II; 31. a rubber ring; 311. a loop body; 312. a spacer bar; 32. a sealing groove; 33. and (4) a bump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A double-sealing valve core is shown in figures 1 to 3, and comprises a valve shell 1, a valve rod 2, a movable ceramic piece 3, a static ceramic piece 4 and a valve seat 5.
An opening 6 is opened at one end of the valve housing 1, and the cross section of the opening 6 is circular. An annular caulking groove 7 is formed in the outer wall of the valve casing 1, and the central axis of the caulking groove 7 coincides with the central axis of the valve casing 1. An annular sealing ring 8 is embedded in the embedding groove 7, and the outer wall of the sealing ring 8 protrudes out of the notch of the embedding groove 7. When the valve core is arranged in the faucet, the sealing ring 8 on the side wall of the valve casing 1 can be abutted against the inner wall of the faucet, so that the sealing property between the valve casing 1 and the inner wall of the faucet is improved.
The valve rod 2 is located the inside tip hole enlargement of valve casing 1 and forms location end 10, and location end 10 is used for contradicting in the inner wall of valve casing 1 for valve rod 2 is difficult for lasting to keeping away from opening 6 one side and removing and finally with valve casing 1 separation. Two limiting blocks 11 are integrally formed on the side wall of the valve rod 2, and the two limiting blocks 11 are symmetrically distributed by taking the axis of the valve rod 2 as the center. And a chamfer is arranged on the end part of the first limiting block 11 departing from the valve seat 5. The inner wall epirelief of valve casing 1 is equipped with two stopper two 12 that are used for conflicting with stopper one 11, and two stopper two 12 use valve casing 1 axis as central symmetry and distribute.
The end face, close to the opening 6, of the positioning end 10 is convexly provided with two locking blocks 13, the two locking blocks 13 are symmetrically distributed on two sides of the axis of the valve rod 2, and the end faces, opposite to the two locking blocks 13, of the two locking blocks are planes parallel to each other. Two locking columns 14 which are parallel to each other are convexly arranged on the end surface of the positioning end 10 close to the opening 6, the two locking columns 14 are symmetrically distributed on two sides of the axis of the valve rod 2, and the connecting line between the two locking columns 14 is perpendicular to the connecting line between the two locking blocks 13.
The movable ceramic pieces 3 are arranged inside the valve casing 1, and a gap is formed between the movable ceramic pieces 3 and the inner wall of the valve casing 1. The end face of the movable ceramic piece 3 close to the valve rod 2 is provided with two locking holes for the locking column 14 to extend into, and the two locking holes are communicated to form a locking groove 15. Two through grooves 16 opposite to the locking blocks 13 are arranged at the edge of the movable ceramic piece 3, and when the locking columns 14 extend into the locking grooves 15, the inner walls of the through grooves 16 are attached to the planes on the locking blocks 13. The end surface of the movable ceramic piece 3 departing from the valve rod 2 is provided with a fan-shaped water storage tank 17.
The static ceramic chip 4 is arranged inside the valve casing 1 and is attached to the movable ceramic chip 3, two oil storage tanks 18 are arranged on the end face of the static ceramic chip 4 facing the movable ceramic chip 3, and the two oil storage tanks 18 are symmetrically distributed on two sides of the central axis of the static ceramic chip 4. The oil storage tank 18 is filled with lubricating oil which is used for lubricating the relative motion between the static ceramic pieces 4 and the movable ceramic pieces 3. The static ceramic chip 4 is provided with a water inlet I19 and a water outlet I20 which are communicated with the water storage tank 17 in a penetrating way, and the water inlet I19 and the water outlet I20 are symmetrically distributed on two sides of the axial lead of the static ceramic chip 4.
Two clamping grooves 21 communicated with the opening 6 are formed in the side wall of the valve casing 1, and the two clamping grooves 21 are symmetrically distributed by taking the axis of the valve casing 1 as a center. Two UNICOM in the guiding groove 22 of draw-in groove 21 have been seted up on valve casing 1's the inner wall, and guiding groove 22's one end runs through in valve casing 1 deviates from the terminal surface of valve rod 2, and guiding groove 22's groove depth reduces to draw-in groove 21 one side gradually. Two clamping blocks 23 are integrally formed on the side wall of the valve seat 5, and the two clamping blocks 23 are symmetrically distributed on two sides of the axial lead of the valve seat 5. The end of the fixture block 23 away from the valve seat 5 is provided with an inclined surface 24, and the inclined surface 24 faces to the side away from the valve rod 2. The valve seat 5 is tightly pressed against the valve casing 1 through the matching of the fixture block 23 and the clamping groove 21.
Two through grooves 25 are formed in the side wall of the valve casing 1, the two through grooves 25 are symmetrically distributed on two sides of the axial lead of the valve casing 1, a connecting line between the two through grooves 25 is perpendicular to a connecting line between the two clamping grooves 21, and the end portions, far away from the valve rod 2, of the two through grooves 25 penetrate through the valve casing 1. Two limiting blocks 26 are integrally formed on the end part of the valve seat 5 close to the valve casing 1, the limiting blocks 26 correspond to the through grooves 25 one by one, and when the limiting blocks 26 extend into the through grooves 25, the outer walls of the limiting blocks 26 abut against the inner walls of the through grooves 25.
The limiting block 26 is integrally formed with a locking block 27 on the end surface near the axial lead of the valve seat 5, a groove 28 for the locking block 27 to extend into is formed on the static ceramic piece 4, and the groove 28 penetrates through the side wall of the static ceramic piece 4. When the valve seat 5 abuts against the valve housing 1, the locking block 27 extends into the groove 28, and the side wall of the locking block 27 is attached to the inner groove wall of the groove 28.
The valve seat 5 is provided with a second water inlet 29 communicated with the first water inlet 19 and a second water outlet 30 communicated with the first water outlet 20. A rubber ring 31 is sealed between the valve seat 5 and the static ceramic piece 4, the rubber ring 31 comprises a ring body 311 and a separation strip 312, the ring body 311 surrounds the first water inlet 19/the second water inlet 29 and the first water outlet 20/the second water outlet 30, and the separation strip 312 separates the first water inlet 19/the second water inlet 29 from the first water outlet 20/the second water outlet 30. The valve seat 5 is provided with a sealing groove 32 for the rubber ring 31 to be placed in, when the rubber ring 31 is placed in the sealing groove 32, the outer wall of the rubber ring 31 is attached to the inner wall of the sealing groove 32, and the rubber ring 31 protrudes out of the notch of the sealing groove 32. The inner wall of the sealing groove 32 is convexly provided with a convex block 33, and when the rubber ring 31 is placed inside the sealing groove 32, the convex block 33 is tightly pressed against the rubber ring 31, so that the rubber ring 31 is not easy to move inside the sealing groove 32.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a double-seal case, including one end set up valve casing (1) of opening (6), rotate connect in valve rod (2) of valve casing (1), set up in valve casing (1) inside and with valve rod (2) circumference is fixed move ceramic chip (3), set up in valve casing (1) inside and with move quiet ceramic chip (4) of ceramic chip (3) laminating, connect in valve casing (1) go up and be used for with disk seat (5) that opening (6) cover, the last symmetric distribution of quiet ceramic chip (4) has water inlet (19) and delivery port (20), characterized by: the valve rod (2) extends into the end part of the valve casing (1) to form a retaining shoulder, a sealing gasket (9) is sleeved on the valve rod (2), the sealing gasket (9) is abutted against the retaining shoulder, and the sealing gasket (9) is used for sealing a gap between the valve rod (2) and the valve casing (1); a rubber ring (31) is sealed between the valve seat (5) and the static ceramic sheet (4), and the rubber ring (31) comprises a ring body (311) surrounding the water inlet I (19) and the water outlet I (20) and a separation strip (312) separating the water inlet I (19) and the water outlet I (20); seted up annular caulking groove (7) on the outer wall of valve casing (1), caulking groove (7) inside inlays and is equipped with sealing washer (8), sealing washer (8) protrusion in the notch of caulking groove (7).
2. The dual seal cartridge according to claim 1, wherein: the valve seat (5) is provided with a sealing groove (32) for the rubber ring (31) to be placed in, and when the rubber ring (31) is located inside the sealing groove (32), the rubber ring (31) protrudes out of a notch of the sealing groove (32).
3. The dual seal cartridge according to claim 2, wherein: a bump (33) is integrally formed on the inner wall of the sealing groove (32), and the bump (33) compresses the inner wall of the rubber ring (31).
4. The dual seal cartridge according to claim 1, wherein: the central axis of caulking groove (7) and the central axis coincidence of valve casing (1), just the notch shape of caulking groove (7) is square.
5. The dual seal cartridge according to claim 1, wherein: two second limiting blocks (12) are symmetrically distributed on the inner wall of the valve shell (1), and the second limiting blocks (12) axially extend along the valve shell (1); two first limiting blocks (11) are integrally formed on the outer wall of the valve rod (2), and the two first limiting blocks (11) are symmetrically distributed on two sides of the valve rod (2); when the valve rod (2) rotates, the first limiting blocks (11) rotate between the second limiting blocks (12).
6. The dual seal cartridge according to claim 1, wherein: the valve rod (2) protrudes out of the end part of the valve casing (1) and is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805009.8U CN210014039U (en) | 2019-05-30 | 2019-05-30 | Double-sealing valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805009.8U CN210014039U (en) | 2019-05-30 | 2019-05-30 | Double-sealing valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014039U true CN210014039U (en) | 2020-02-04 |
Family
ID=69318343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920805009.8U Expired - Fee Related CN210014039U (en) | 2019-05-30 | 2019-05-30 | Double-sealing valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283380A (en) * | 2020-11-18 | 2021-01-29 | 湖南元宏特种陶瓷有限公司 | Ceramic valve plate |
-
2019
- 2019-05-30 CN CN201920805009.8U patent/CN210014039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283380A (en) * | 2020-11-18 | 2021-01-29 | 湖南元宏特种陶瓷有限公司 | Ceramic valve plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |