CN211411239U - Pre-filter and valve head thereof - Google Patents
Pre-filter and valve head thereof Download PDFInfo
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- CN211411239U CN211411239U CN201921781028.8U CN201921781028U CN211411239U CN 211411239 U CN211411239 U CN 211411239U CN 201921781028 U CN201921781028 U CN 201921781028U CN 211411239 U CN211411239 U CN 211411239U
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- valve head
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Abstract
The utility model discloses a pre-filter and a valve head thereof, wherein the valve head comprises a valve head shell, an isolation sleeve which isolates the valve head shell from water is arranged in the valve head shell, the valve head shell is a metal shell, and the isolation sleeve is a plastic isolation sleeve; the utility model provides a valve head adopts the structure of the isolated cover of metal valve head shell parcel plastics, and structural strength is high, and when the valve head used, rivers passed through from isolated cover internal surface, and do not contact with valve head shell, consequently can make valve head shell and water isolated through isolated cover, effectively avoids the heavy metal element in the valve head shell to appear the aquatic.
Description
Technical Field
The utility model relates to a filter technical field especially relates to a valve head of leading filter. Furthermore, the utility model discloses still relate to a leading filter including above-mentioned valve head.
Background
The pre-filter is generally installed at the front end of the pipeline and is the first coarse filtering device for the whole house water. The pre-filter is usually of a T-shaped structure, as shown in figure 1, the two ends of an upper transverse part are respectively provided with a water inlet and a water outlet, a lower vertical part is provided with a machine body and an internal cylindrical filter screen, the lowest end is provided with a sewage discharge outlet, the opening and the closing are controlled by a valve, when the pre-filter is used, water flows into a gap between the cylinder body and the filter screen from the water inlet of the valve head, and flows to the water outlet of the valve head from the center of the filter element after being filtered by the filter screen.
The valve head of the existing pre-filter is widely made of metal materials, the metal materials are firm and easy to process, the manufactured product is not easy to damage and break down, the service life is long, however, the problem that heavy metal is separated out due to the fact that the inner surface of the metal valve head is in contact with water for a long time can be caused, heavy metal in water exceeds the standard, and human health is harmed. If the valve head is made of other non-metal materials, the pressure bearing capacity and the service life of the valve head cannot meet the design requirements of the pre-filter.
Therefore, the valve head which has high strength and can effectively prevent heavy metal elements from being separated out into water is a technical problem which needs to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a valve head of leading filter, its simple structure, intensity is high, can effectively avoid heavy metal element to appear to the aquatic. Another object of the present invention is to provide a prefilter comprising the above valve head.
In order to solve the technical problem, the utility model provides a valve head of leading filter, including valve head shell, be equipped with in the valve head shell and make its and the isolated cover of water, valve head shell is metal casing, isolated cover is the isolated cover of plastics.
Preferably, the valve head shell including violently manage and fix violently manage the below and with violently manage the standpipe of intercommunication, the both ends of violently managing are water inlet port and water outlet port respectively, the lower extreme of standpipe be used for with the barrel threaded connection of filter, isolated cover be used for with the filter core tip sealing connection of filter, and have the guide chamber that allows water to flow through the filter core by water inlet port department and flow to water outlet port department again.
Preferably, the isolation sleeve comprises a vertical sleeve which is arranged in the vertical pipe and is tightly attached to the inner surface of the upper part of the vertical pipe and a connecting inner sleeve which is used for being connected with the end part of the filter element, and sealing rings are arranged between the vertical sleeve and the cylinder body and between the connecting inner sleeve and the filter element.
Preferably, the valve head housing is a valve head body, and the insulating sleeve is a plastic layer covering the inner surface of the valve head body contacting with water.
Preferably, the insulating sleeve is integrally injection molded.
Preferably, the insulation sleeve is a POM sleeve or a PPR sleeve or a PP sleeve or a food-grade ABS sleeve.
Preferably, the valve head housing is a copper valve head housing.
The utility model also provides a leading filter, include valve head, barrel and install filter core in the barrel, the valve head specifically is above-mentioned arbitrary one the valve head.
The utility model provides a valve head of leading filter, including valve head shell, be equipped with in the valve head shell and make its and the isolated cover of water, valve head shell is metal casing, and isolated cover is the isolated cover of plastics.
The utility model provides a valve head adopts the structure of the isolated cover of metal valve head shell parcel plastics, and structural strength is high, and when the valve head used, rivers passed through from isolated cover internal surface, and do not contact with valve head shell, consequently can make valve head shell and water isolated through isolated cover, effectively avoids the heavy metal element in the valve head shell to appear the aquatic.
The utility model provides a leading filter includes above-mentioned valve head, because above-mentioned valve head has above-mentioned technological effect, above-mentioned leading filter also should have same technological effect, does not introduce here in detail again.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a valve head provided in the present invention;
FIG. 2 is a cross-sectional view of one embodiment of a valve head provided by the present invention;
fig. 3 is a schematic structural diagram of an embodiment of an isolation sleeve according to the present invention;
fig. 4 is another schematic structural view of an embodiment of an isolation sleeve according to the present invention;
fig. 5 is a schematic view of a usage state of a specific embodiment of the valve head according to the present invention.
The drawings are numbered as follows:
the valve head comprises a valve head shell 1, an isolation sleeve 2, a transverse sleeve 21, a vertical sleeve 22, a connecting inner sleeve 23, a cylinder 3, a filter element 4 and a sealing ring 5.
Detailed Description
The core of the utility model is to provide a valve head of leading filter, its simple structure, intensity is high, can effectively avoid heavy metal element to appear to the aquatic. The other core of the utility model is to provide a leading filter of including above-mentioned valve head.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a valve head according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of one embodiment of a valve head provided by the present invention; fig. 3 is a schematic structural diagram of an embodiment of an isolation sleeve according to the present invention; fig. 4 is another schematic structural view of an embodiment of an isolation sleeve according to the present invention; fig. 5 is a schematic view of a usage state of a specific embodiment of the valve head according to the present invention.
The utility model discloses embodiment provides a valve head of leading filter mainly includes valve head shell 1 and isolated cover 2, and wherein, valve head shell 1 is the metal material, and isolated cover 2 is the plastics material, and isolated cover 2 is established in valve head shell 1, and isolated cover 2 can make valve head shell 1's internal surface and water isolated, and then effectively avoids the heavy metal element in the metal material to appear the aquatic.
The utility model provides a valve head, concrete structure has two kinds, in a concrete embodiment, valve head housing 1 specifically can be including violently managing and fixing the standpipe of violently managing the below, the both ends of violently managing are inlet port and outlet port respectively, the standpipe with violently manage the intercommunication, and the lower extreme of standpipe be used for with the 3 threaded connection of barrel of filter, isolated cover 2 be used for with the filter core 4 end seal connection of filter, and isolated cover 2 have the direction chamber that allows water to flow through filter core 4 by inlet port department and flow to outlet port department again.
Specifically, the isolation sleeve 2 comprises a transverse sleeve 21 arranged in a transverse pipe, a vertical sleeve 22 arranged in a vertical pipe and a connecting inner sleeve 23 used for being connected with the end part of the filter element 4 of the filter, wherein the transverse sleeve 21 is tightly attached to the inner surface of the transverse pipe, and the vertical sleeve 22 is tightly attached to the inner surface of the upper part of the vertical pipe.
When producing the valve head, produce valve head shell 1 earlier, then can directly form isolated cover 2 of plastics through moulding plastics in valve head shell 1, preparation simple process, and the valve head structure is reliable, and the leakproofness is good between valve head shell 1 and the isolated cover 2.
Further, in order to ensure the isolation reliability of the isolation sleeve 2 and the filtering effect of the valve head, the sealing rings 5 can be arranged between the outer sleeve and the cylinder 3 and between the connecting inner sleeve 23 and the filter element 4 when the valve head is assembled.
Including the valve head shell 1 of metal wraps up the isolated cover 2 of plastics, during the valve head use, rivers pass through from isolated cover 2 internal surfaces, do not contact with valve head shell 1, so heavy metal in the valve head shell 1 can not appear the aquatic.
In another specific embodiment, the structure of valve head housing 1 can be the same with former valve head body, during the preparation, directly covers one deck plastics as isolated layer on the internal surface of valve head body and water contact, also is within the utility model discloses a protection within range.
On the basis of each above-mentioned embodiment, the utility model provides a valve head, the optional plastics material of isolated cover 2 have a plurality ofly, like POM, PPR, PP, food level ABS etc. this application does not do specific restriction to this.
Optionally, the valve head shell 1 is made of copper, and the copper valve head shell 1 is corrosion-resistant, clean and sanitary.
In addition to the above valve head, the specific embodiment of the present invention further provides a prefilter including a cylinder 3, a filter element 4 and the above valve head, and the structures of other parts of the prefilter refer to the prior art, which is not described herein again.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "vertical", and the like, indicate orientations or relationships based on the orientations or positional relationships shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and similar parts between the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant part can be referred to the method part for description.
The above is to the pre-filter and the valve head thereof provided by the present invention are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The valve head of the pre-filter is characterized by comprising a valve head shell (1), wherein an isolation sleeve (2) which isolates the valve head shell from water is arranged in the valve head shell (1), the valve head shell (1) is a metal shell, and the isolation sleeve (2) is a plastic isolation sleeve.
2. The valve head of the front filter according to claim 1, wherein the valve head housing (1) comprises a horizontal pipe and a vertical pipe fixed below the horizontal pipe and communicated with the horizontal pipe, the two ends of the horizontal pipe are respectively a water inlet port and a water outlet port, the lower end of the vertical pipe is used for being in threaded connection with a cylinder body (3) of the filter, the isolation sleeve (2) is used for being in end sealing connection with a filter element (4) of the filter, and has a guide cavity allowing water to flow through the filter element (4) from the water inlet port and then flow to the water outlet port.
3. The valve head of the pre-filter according to claim 2, wherein the isolating sleeve (2) comprises a vertical sleeve (22) arranged in the vertical pipe and closely attached to the inner surface of the upper part of the vertical pipe and a connecting inner sleeve (23) used for connecting with the end part of the filter element (4), and sealing rings (5) are arranged between the vertical sleeve (22) and the cylinder body (3) and between the connecting inner sleeve (23) and the filter element (4).
4. The pre-filter valve head according to claim 1, wherein the valve head housing (1) is a valve head body and the insulating sleeve (2) is a plastic layer covering the inner surface of the valve head body in contact with water.
5. The valve head of a pre-filter according to any of claims 1 to 4, characterised in that the insulating sleeve (2) is injection moulded in one piece.
6. Valve head of a pre-filter according to claim 5, characterised in that the insulating sleeve (2) is a POM sleeve or a PPR sleeve or a PP sleeve or a food grade ABS sleeve.
7. Prefilter valve head according to claim 1, wherein said valve head housing (1) is a copper valve head housing.
8. A pre-filter comprising a valve head, a cartridge (3) and a filter element (4) mounted in the cartridge (3), characterised in that the valve head is in particular a valve head according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781028.8U CN211411239U (en) | 2019-10-22 | 2019-10-22 | Pre-filter and valve head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781028.8U CN211411239U (en) | 2019-10-22 | 2019-10-22 | Pre-filter and valve head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211411239U true CN211411239U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921781028.8U Active CN211411239U (en) | 2019-10-22 | 2019-10-22 | Pre-filter and valve head thereof |
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| Country | Link |
|---|---|
| CN (1) | CN211411239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559729A (en) * | 2019-10-22 | 2019-12-13 | 海宁市水享净水设备有限公司 | Pre-filter and valve head thereof |
-
2019
- 2019-10-22 CN CN201921781028.8U patent/CN211411239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559729A (en) * | 2019-10-22 | 2019-12-13 | 海宁市水享净水设备有限公司 | Pre-filter and valve head thereof |
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