CN220736604U - Lead isolation structure of ball valve of pre-filter - Google Patents
Lead isolation structure of ball valve of pre-filter Download PDFInfo
- Publication number
- CN220736604U CN220736604U CN202322371810.5U CN202322371810U CN220736604U CN 220736604 U CN220736604 U CN 220736604U CN 202322371810 U CN202322371810 U CN 202322371810U CN 220736604 U CN220736604 U CN 220736604U
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- valve body
- sealing ring
- sealing
- filter
- joint
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- 238000011045 prefiltration Methods 0.000 title claims abstract description 25
- 238000002955 isolation Methods 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 25
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 abstract 1
- 229910000776 Common brass Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000243686 Eisenia fetida Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model relates to a lead-separating structure of a ball valve of a pre-filter, which comprises a first valve body, a filter bottle, a drain joint, a ball valve and a sealing sleeve, wherein the filter bottle is connected to the lower wall of the first valve body, the drain joint is connected to the bottom end of the filter bottle, the drain joint is provided with a through hole, an annular convex part is arranged in the through hole, the ball valve comprises a second valve body and a ball body, the second valve body is connected in the through hole, a channel is arranged on the second valve body, the ball body is connected in the second valve body and is positioned below the channel, the sealing sleeve comprises a first sealing ring and a cylindrical sealing joint, the sealing joint is connected to the bottom end of the first sealing ring, the upper end surface and the lower end surface of the first sealing ring are respectively propped against the bottom end of the annular convex part and the top end of the second valve body, the peripheral wall of the sealing joint is propped against the inner wall of the channel, and the bottom end of the sealing joint is propped against the ball body, so that the technical problem that heavy metal lead possibly precipitates into the water flow after the pre-filter in the prior art is contacted with the valve body of the ball valve in long-time use is solved.
Description
Technical Field
The utility model relates to the technical field of pre-filters, in particular to a lead isolation structure of a ball valve of a pre-filter.
Background
The pre-filter can filter sediment, rust, red worms, other large particulate matters and the like in tap water, is generally arranged at the front end of a pipeline, so that a large amount of precipitation impurities generated in urban and district water supply networks can be prevented from damaging human bodies, and the pre-filter plays a positive pre-protection role on concealed pipelines, water faucets, water warmers, water heaters, boilers, central air conditioners, washing machines, dish washers, coffee machines, other household appliances involving water and the like, so that the pre-filter is favored by people in recent years, and is purchased and arranged in brand new decoration and pipe network reconstruction. The prefilter generally comprises a valve body, a pressure gauge, a filter flask, a sewage joint and a ball valve, wherein the pressure gauge and the filter flask are respectively connected to the upper side and the lower side of the valve body, and the sewage joint is connected to the bottom end of the filter flask and is connected with the ball valve. Because the valve body can bear larger stress from a pipeline in operation, the valve body is generally made of brass alloy, but from the aspects of cost and processing technology, the valve body of the pre-filter and the valve body of the ball valve are generally made of common brass with a certain lead content. When the pre-filter is used, water flows out of the water outlet after being filtered by the filter flask, but the water flows into the filter flask and then contacts with the ball valve at the bottom end of the filter flask, and after the water flows are used for a long time, heavy metal lead can be separated out of the water flow after the water flow contacts with the valve body of the ball valve, so that water pollution in the valve body of the pre-filter is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a lead isolation structure of a ball valve of a pre-filter, so as to solve the technical problem that heavy metal lead is likely to be separated out into water flow after the water flow contacts with a valve body of the ball valve in the long-term use of the pre-filter in the prior art, and water pollution in the valve body of the pre-filter is caused.
In order to solve the technical problems, the utility model provides a lead-separating structure of a ball valve of a pre-filter, which comprises a first valve body, a filter flask, a pollution discharge joint, a ball valve and a sealing sleeve, wherein the filter flask is connected to the lower wall of the first valve body, the pollution discharge joint is connected to the bottom end of the filter flask, a through hole communicated with the inner cavity of the filter flask is arranged on the pollution discharge joint, an annular ring convex part is arranged on the inner peripheral wall, which is close to the inner cavity of the filter flask, of the through hole, the ball valve comprises a second valve body and a ball body, the second valve body is connected in the through hole and is positioned below the ring convex part, a channel is axially arranged on the second valve body, the ball body is connected in the second valve body and is positioned below the channel, a sealing sleeve is connected between the second valve body and the pollution discharge joint, the sealing sleeve comprises a first sealing ring and a cylindrical sealing joint, the sealing joint is connected to the bottom end of the first sealing ring and is arranged near the inner side, the upper end and the lower end surfaces of the first sealing ring are respectively propped against the bottom end of the ring convex part and the top end of the second valve body, the outer peripheral wall of the sealing joint is propped against the inner wall of the channel, and the bottom end of the sealing joint is propped against the ball.
After the structure is adopted, the lead isolation structure of the ball valve of the pre-filter has the following advantages: because the second valve body is also made of common brass, heavy metal lead can be separated out into water when the sealing sleeve is contacted with the second valve body for a long time, and the first sealing ring of the sealing sleeve blocks a water source from a gap between the ring convex part and the second valve body to enter into contact with the second valve body, and the sealing joint directly isolates the side wall of a channel of the second valve body from the water source, so that the direct contact of the water source and the second valve body is prevented, the lead isolation effect is realized, and the water quality is prevented from being polluted.
As an improvement, the sealing sleeve further comprises a second sealing ring, wherein the second sealing ring is connected to the upper end face of the first sealing ring and is arranged close to the outer side, the bottom end of the ring convex part is provided with a ring groove, the second sealing ring is arranged in the ring groove, the upper end face of the second sealing ring is propped against the top wall of the ring groove, and the inner end face and the outer end face of the second sealing ring are propped against the inner side wall and the outer side wall of the ring groove respectively; by adopting the structure, the water source is further prevented from being contacted with the second valve body by arranging the second sealing ring.
As an improvement, the first sealing ring, the sealing joint and the second sealing ring are integrally formed; by adopting the structure, gaps among the first sealing ring, the sealing joint and the second sealing ring are avoided, and the manufacturing and the installation are also convenient.
As an improvement, an upper third sealing ring and a lower third sealing ring are connected between the ball body and the second valve body, and the third sealing rings are positioned at the outer sides of the sealing joints.
As an improvement, a fourth sealing ring is connected between the sewage discharging connector and the filter flask; by adopting the structure, the tightness between the pollution discharge joint and the filter flask is improved.
As an improvement, a fifth sealing ring is connected between the sewage discharging connector and the filter flask; by adopting the structure, the tightness between the sewage discharging joint and the filter flask is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Reference numerals: 1. a first valve body; 2. a filter flask; 3. a sewage discharge joint; 4. a ball valve; 41. a second valve body; 42. a sphere; 5. sealing sleeve; 51. a first seal ring; 52. sealing the joint; 53. a second seal ring; 6. a through hole; 7. a ring protrusion; 8. a channel; 9. a ring groove; 10. a third seal ring; 11. a fourth seal ring; 12. and a fifth sealing ring.
Detailed Description
The lead isolation structure of the ball valve of the pre-filter is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, a lead isolation structure of a ball valve of a pre-filter comprises a first valve body 1, a filter flask 2, a pollution discharge joint 3, a ball valve 4 and a sealing sleeve 5, wherein the filter flask 2 is connected to the lower wall of the first valve body 1, the pollution discharge joint 3 is connected to the bottom end of the filter flask 2, a through hole 6 communicated with the inner cavity of the filter flask 2 is arranged on the pollution discharge joint 3, an annular ring convex part 7 is arranged in the through hole 6 and close to the inner peripheral wall of the inner cavity of the filter flask 2, namely, the ring convex part 7 is arranged at a position above the through hole 6, the ball valve 4 is connected in the through hole 6 and positioned below the ring convex part 7, the ball valve 4 comprises a second valve body 41 and a ball 42, the second valve body 41 is connected in the through hole 6, and the second valve body 41 is positioned below the ring convex part 7; the second valve body 41 is axially provided with a channel 8, the ball body 42 is connected in the second valve body 41 and is positioned below the channel 8, an upper third sealing ring 10 and a lower third sealing ring 10 are connected between the ball body 42 and the second valve body 41, and the specific structure of the ball valve 4 is the prior art and is not repeated here.
As shown in fig. 2, a sealing sleeve 5 is connected between the second valve body 41 and the sewage joint 3, the sealing sleeve 5 comprises a first sealing ring 51 and a cylindrical sealing joint 52, the sealing joint 52 is connected at the bottom end of the first sealing ring 51 and is arranged close to the inner side, namely, the inner diameter of the sealing joint 52 is the same as that of the first sealing ring 51, the sealing joint 52 is arranged coaxially with the first sealing ring 51, the outer diameter of the sealing joint 52 is smaller than that of the first sealing ring 51, the upper end face and the lower end face of the first sealing ring 51 are respectively propped against the bottom end of the annular convex part 7 and the top end of the second valve body 41, the peripheral wall of the sealing joint 52 is propped against the inner wall of the channel 8, and the bottom end of the sealing joint 52 is propped against the sphere 42.
As shown in fig. 2, the sealing sleeve 5 further comprises a second sealing ring 53, the second sealing ring 53 is connected to the upper end surface of the first sealing ring 51 and is arranged close to the outer side, namely, the outer diameter of the second sealing ring 53 is the same as the outer diameter of the first sealing ring 51, the second sealing ring 53 is coaxially arranged with the first sealing ring 51, the inner diameter of the second sealing ring 53 is larger than the inner diameter of the first sealing ring 51, the bottom end of the ring convex part 7 is provided with a ring groove 9, the second sealing ring 53 is arranged in the ring groove 9, the upper end surface of the second sealing ring 53 abuts against the top wall of the ring groove 9, the inner end surface and the outer end surface of the second sealing ring 53 abut against the inner side wall and the outer side wall of the ring groove 9 respectively, and the third sealing ring 10 is positioned at the outer side of the sealing joint 52; the first seal ring 51, the seal joint 52, and the second seal ring 53 are integrally formed. A fourth sealing ring 11 is connected between the sewage joint 3 and the filter flask 2, a fifth sealing ring 12 is connected between the sewage joint 3 and the filter flask 2, the fifth sealing ring 12 is positioned below the fourth sealing ring 11, and the fifth sealing ring and the filter flask are arranged at intervals.
Because the second valve body 41 is also made of common brass, heavy metal lead can be separated out into water when the sealing sleeve 5 is used for a long time when the sealing sleeve is contacted with the second valve body 41, the first sealing ring 51 and the second sealing ring 53 of the sealing sleeve 5 block a water source from a gap between the annular convex part 7 and the second valve body 41 to enter into contact with the second valve body 41, and the sealing joint 52 directly isolates the side wall of the channel 8 of the second valve body 41 from the water source, so that the direct contact between the water source and the second valve body 41 is prevented, the lead isolation effect is realized, and the water quality is prevented from being polluted.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above-described one embodiment, and all other examples obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
Claims (6)
1. The utility model provides a lead structure is separated to leading filter ball valve, includes first valve body (1), filter flask (2), blowdown joint (3), ball valve (4) and seal cover (5), filter flask (2) are connected on first valve body (1) lower wall, blowdown joint (3) are connected filter flask (2) bottom, be equipped with on blowdown joint (3) with through-hole (6) of filter flask (2) inner chamber intercommunication, be equipped with annular ring convex part (7) on the inner peripheral wall of through-hole (6) and being close to filter flask (2) inner chamber, ball valve (4) include second valve body (41) and spheroid (42), second valve body (41) are connected in through-hole (6) and are located ring convex part (7) below, be equipped with passageway (8) along the axial on second valve body (41), spheroid (42) are connected in second valve body (41) and are located passageway (8) below, second valve body (41) and blowdown joint (3) are connected with each other on the inner peripheral wall of inner peripheral wall is equipped with annular ring convex part (7), ball valve body (41) and seal cover (5) are connected with seal cover (52) and seal cover (52) are in between them, seal cover (51) are located, the upper end face and the lower end face of the first sealing ring (51) are respectively propped against the bottom end of the annular convex part (7) and the top end of the second valve body (41), the peripheral wall of the sealing joint (52) is propped against the inner wall of the channel (8), and the bottom end of the sealing joint (52) is propped against the ball body (42).
2. The lead isolation structure of the pre-filter ball valve according to claim 1, wherein the sealing sleeve (5) further comprises a second sealing ring (53), the second sealing ring (53) is connected to the upper end face of the first sealing ring (51) and is arranged close to the outer side, a ring groove (9) is arranged at the bottom end of the ring protrusion (7), the second sealing ring (53) is arranged in the ring groove (9), the upper end face of the second sealing ring (53) is propped against the top wall of the ring groove (9), and the inner end face and the outer end face of the second sealing ring (53) are propped against the inner side wall and the outer side wall of the ring groove (9) respectively.
3. The lead isolation structure of the pre-filter ball valve according to claim 2, wherein the first sealing ring (51), the sealing joint (52) and the second sealing ring (53) are integrally formed.
4. The lead isolation structure of the pre-filter ball valve according to claim 1, wherein an upper third sealing ring (10) and a lower third sealing ring (10) are connected between the ball body (42) and the second valve body (41), and the third sealing ring (10) is located at the outer side of the sealing joint (52).
5. The lead isolation structure of the ball valve of the pre-filter according to claim 1, wherein a fourth sealing ring (11) is connected between the sewage discharging connector (3) and the filter flask (2).
6. The lead separating structure of the ball valve of the pre-filter according to claim 5, wherein a fifth sealing ring (12) is connected between the sewage discharging connector (3) and the filter flask (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371810.5U CN220736604U (en) | 2023-09-01 | 2023-09-01 | Lead isolation structure of ball valve of pre-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371810.5U CN220736604U (en) | 2023-09-01 | 2023-09-01 | Lead isolation structure of ball valve of pre-filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220736604U true CN220736604U (en) | 2024-04-09 |
Family
ID=90558255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322371810.5U Active CN220736604U (en) | 2023-09-01 | 2023-09-01 | Lead isolation structure of ball valve of pre-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220736604U (en) |
-
2023
- 2023-09-01 CN CN202322371810.5U patent/CN220736604U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |