CN210159283U - Pre-filter and valve head thereof - Google Patents
Pre-filter and valve head thereof Download PDFInfo
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- CN210159283U CN210159283U CN201920687966.5U CN201920687966U CN210159283U CN 210159283 U CN210159283 U CN 210159283U CN 201920687966 U CN201920687966 U CN 201920687966U CN 210159283 U CN210159283 U CN 210159283U
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Abstract
The utility model discloses a valve body, including inlet opening, apopore and locate the water proof device between inlet opening and the apopore, be equipped with the inlet tube that is used for hiding the inner wall of inlet opening on the inner wall of inlet opening, be equipped with the outlet pipe that is used for hiding the inner wall of apopore on the inner wall of apopore, inlet tube and outlet pipe are non-metallic pipe. In the in-process of work, water can get into the valve body and avoid contacting with the inlet opening of copper product from the inlet tube to can avoid the inlet opening of copper product to soak in aqueous, equally, because be equipped with the outlet pipe that is used for hiding the apopore on the outlet pipe, consequently, can prevent that the outlet pipe of copper product from appearing the heavy metal to aqueous, and then can reduce the content of aquatic heavy metal, reach the requirement with the quality of water of guaranteeing the valve head play water. Just the utility model provides a valve head when guaranteeing that the quality of water that the valve head goes out water meets the requirement, still has simple structure, advantage with low costs. Furthermore, the utility model also provides a leading filter of including above-mentioned valve body.
Description
Technical Field
The utility model relates to a sewage filtration technology field, more specifically say, relate to a valve head. Furthermore, the utility model also provides a leading filter of including above-mentioned valve head.
Background
Urban water supply pipelines are old and long, and the control of water utilization equipment fails due to the fact that impurities such as corrosion and silt of the pipelines need to be arranged on the water utilization equipment.
The pre-filter is generally arranged behind the water meter and mainly used for restoring tap water to the standard before leaving a factory and protecting downstream equipment. The pre-filter has a filtering precision of 5-100 microns, can filter impurities such as silt, rust, flotage and the like seen by naked eyes, and greatly prolongs the service life of subsequent equipment.
The valve head of a general prefilter is mostly made of brass, and common brass can continuously precipitate heavy metals into water after being soaked in the water for a long time, so that the heavy metals exceed the standard, and the body health of a user can be further harmed; only the valve head and the parts of the pre-filter are made of environment-friendly low-lead brass, so that the water quality requirement of effluent water specified by the state can be met, and the water filtering cost can be increased due to the high price of the environment-friendly low-lead brass.
Therefore, how to solve the problem that heavy metals exceed the standard in the water filtering process of the valve head is a problem to be solved urgently by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a valve head, this valve head can reduce the content of aquatic heavy metal, improves the quality of water that the valve head goes out water, and has simple structure, advantage with low costs.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a valve head, includes inlet opening, apopore and locates the inlet opening with water proof device between the apopore, be equipped with on the inner wall of inlet opening and be used for hiding the inlet tube of the inner wall of inlet opening, be equipped with on the inner wall of apopore and be used for hiding the outlet pipe of the inner wall of apopore, the inlet tube with the outlet pipe is non-metallic pipe.
Preferably, the water-stop device is a non-metal piece.
Preferably, the inlet tube with be equipped with first sealing washer between the inlet opening, first sealing washer is located the entrance of inlet opening.
Preferably, a second sealing ring is arranged between the water outlet pipe and the water outlet hole, and the second sealing ring is arranged at the outlet of the water outlet hole.
Preferably, the water isolating device, the water inlet pipe and the water outlet pipe are all plastic parts.
Preferably, the water isolating device is provided with a water inlet interface which is connected with the water inlet pipe in a nested manner on one side close to the water inlet pipe, and is provided with a water outlet interface which is connected with the water outlet pipe in a nested manner on one side close to the water outlet pipe.
Preferably, a third sealing ring is arranged between the water inlet pipe and the water inlet interface.
Preferably, a fourth sealing ring is arranged between the water outlet pipe and the water outlet interface.
A pre-filter comprises a valve head, a filter screen and a cup body, wherein the valve head is the valve head of any one of the above.
Preferably, a fifth sealing ring and a sixth sealing ring are further arranged on the matching surface of the valve head and the cup body.
The utility model provides a valve body, including inlet opening, apopore and locate the water proof device between inlet opening and the apopore, be equipped with the inlet tube that is used for hiding the inner wall of inlet opening on the inner wall of inlet opening, be equipped with the outlet pipe that is used for hiding the inner wall of apopore on the inner wall of apopore, inlet tube and outlet pipe are non-metallic pipe. Because be provided with the inlet tube on the inner wall of inlet opening, the inlet opening of copper product can be kept out to the inlet tube, and the inlet tube is non-metallic pipe, and at the in-process of work, water can get into the valve body and avoid contacting with the inlet opening of copper product from the inlet tube to can avoid the inlet opening of copper product to soak in aqueous, in order to prevent that the inlet opening of copper product from appearing heavy metal to aqueous. Similarly, because the water outlet pipe used for covering the water outlet hole is arranged on the water outlet hole, heavy metal can be prevented from being separated out from the water outlet hole made of copper materials, and then the content of the heavy metal in the water can be reduced, so that the water quality of the water discharged from the valve head can meet the requirement. Just the utility model provides a valve head when guaranteeing that the valve head goes out the quality of water and reaches the requirement, still has simple structure, advantage with low costs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an embodiment of a valve head provided in the present invention;
fig. 2 is a schematic diagram of an embodiment of a prefilter of the present invention.
The water-stop valve comprises a water inlet 1, a water inlet 2, a first sealing ring 3, a third sealing ring 4, a water-stop device 5, a fourth sealing ring 6, a second sealing ring 7, a water outlet 8, a water outlet hole 9, a water outlet port 10, a water inlet port 11, a fifth sealing ring 12, a sixth sealing ring 13, a valve head 14, a cup body 15 and a filter screen 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a valve head, this valve head can reduce the content of aquatic heavy metal, improves the quality of water that the valve head goes out water, and has simple structure, advantage with low costs.
Referring to fig. 1 to 2, fig. 1 is a schematic view of a valve head according to an embodiment of the present invention; fig. 2 is a schematic diagram of an embodiment of a prefilter of the present invention. The arrows in the figure indicate the direction of the water flow.
The utility model provides a valve head, including inlet opening 1, apopore 9 and locate the water stop 5 between inlet opening 1 and the apopore 9, be equipped with the inlet tube 2 that is used for hiding the inner wall of inlet opening 1 on the inner wall of inlet opening 1, be equipped with the outlet pipe 8 that is used for hiding the inner wall of apopore 9 on the inner wall of apopore 9, inlet tube 2 is non-metallic pipe with outlet pipe 8.
Wherein, the valve head is used for being connected with the cup 15 of filtering impurity, and one side of valve head is equipped with inlet opening 1, and the opposite side of valve head is equipped with apopore 9, and the middle part of valve head is equipped with water stop 5, and water stop 5 is used for keeping apart inlet opening 1 and apopore 9 to during the rivers that make from inlet opening 1 get into flow into cup 15, the water that flows into in cup 15 flows out from apopore 9 again after filter screen 16 filters. Be equipped with the inlet tube 2 that is used for hiding the inner wall of inlet opening 1 on the inner wall of inlet opening 1 to make water get into the valve head from inlet tube 2 and do not contact with the inlet opening 1 of valve head, thereby avoid inlet opening 1 to separate out the metal to the aquatic. In a similar way, the water outlet pipe 8 arranged on the inner wall of the water outlet hole 9 can also prevent the water outlet hole 9 from separating out heavy metals into water. The water inlet pipe 2 and the water outlet pipe 8 can be of the same structure so as to be convenient to process and install.
It should be noted that the wall thickness of the water inlet pipe 2 and the water outlet pipe 8 should not be too thick, so as to avoid the inner diameter of the water inlet pipe 2 and the water outlet pipe 8 being too small, and further affecting the speed of water flowing into the valve body.
The utility model provides a valve body, owing to be provided with inlet tube 2 on the inner wall of inlet opening 1, inlet tube 2 can hide the inlet opening 1 of copper product, and inlet tube 2 is the non-metallic pipe, and at the in-process of work, water can be followed inlet tube 2 and got into the valve body and avoid contacting with inlet opening 1 of copper product to can avoid inlet opening 1 of copper product to soak in aqueous, in order to prevent that inlet opening 1 of copper product from appearing heavy metal to aqueous. Similarly, because the outlet pipe 8 that is used for hiding apopore 9 is equipped with on apopore 9, consequently, can prevent that copper product's apopore 9 from appearing heavy metal to aquatic, and then can reduce the content of aquatic heavy metal to guarantee that the quality of water of valve head play meets the demands. Just the utility model provides a valve head when guaranteeing that the quality of water that the valve head goes out water meets the requirement, still has simple structure, advantage with low costs.
On the basis of above-mentioned embodiment, for further improving the utility model provides a quality of water of valve body play water, preferred, water stop device 5 is the non-metal spare, sets up water stop device 5 into the non-metal spare, can guarantee that rivers when water stop device 5, water stop device 5 also can not appear the heavy metal to aquatic to further reduce the content of aquatic heavy metal.
In addition, replace the water proof device 5 of the copper material in the valve body with the water proof device 5 of non-metal spare, but the weight of greatly reduced valve body, the valve body outer wall remains original metallic structure, can not reduce the holistic firmness of valve body, and because the processing of the water proof device 5 of copper material is comparatively complicated, consequently, can also improve machining efficiency, reduce cost.
On the basis of the above embodiment, in order to ensure the sealing performance between the water inlet pipe 2 and the water inlet hole 1, preferably, a first sealing ring 3 may be further disposed between the water inlet pipe 2 and the water inlet hole 1, and the first sealing ring 3 may be disposed at the inlet of the water inlet hole 1 to prevent water from flowing into the matching position between the water inlet pipe 2 and the water inlet hole 1. In order to facilitate the arrangement of the first sealing ring 3, a first groove for installing the first sealing ring 3 can be arranged on the outer wall of the water inlet pipe 2.
On the basis of the above embodiment, in order to further improve the tightness between the water inlet pipe 2 and the water inlet hole 1, correspondingly, a second sealing ring 7 may be disposed between the water outlet pipe 8 and the water outlet hole 9, and the second sealing ring 7 is disposed at the outlet of the water outlet hole 9 to prevent water from flowing into the matching position between the water inlet pipe 2 and the water inlet hole 1. In order to facilitate the arrangement of the second sealing ring 7, a second groove for installing the second sealing ring 7 can be arranged on the outer wall of the water inlet pipe 2.
On the basis of above-mentioned embodiment, consider the selection of water stop 5, inlet tube 2 and outlet pipe 8's material, preferred, water stop 5, inlet tube 2 and outlet pipe 8 are the working of plastics, and the working of plastics is convenient for process production and with low costs, and the working of plastics still has characteristics such as corrosion-resistant in addition, is particularly suitable for as the material of the inner wall that shelters from the copper product valve head in the utility model. Of course, the water stop device 5, the water inlet pipe 2 and the water outlet pipe 8 may be made of other materials, such as rubber or silicone.
On the basis of any of the above embodiments, in order to facilitate the installation of the water inlet pipe 2 and the water outlet pipe 8 in the valve head, it is preferable that a water inlet port 11 nested with the water inlet pipe 2 is provided on a side of the water isolating device 5 close to the water inlet pipe 2, and a water outlet port 10 nested with the water outlet pipe 8 is provided on a side close to the water outlet pipe 8. So that the inlet pipe 2 and the outlet pipe 8 are nested on the water stop 5.
In addition, because inlet tube 2 and outlet pipe 8 are direct with 5 nested connections of water stop device, from inlet tube 2 get into the water in the valve head alright directly flow into cup 15 in through water stop device 5 and filter, the water after the filtration directly flows out from outlet pipe 8 through water stop device 5 again, can reduce the inner wall contact of water and valve head, avoids the valve head of copper material to appear heavy metal to the aquatic, has further improved the play water quality of valve head.
On the basis of the above embodiment, in order to improve the sealing performance of the matching between the water isolating device 5 and the water inlet pipe 2, preferably, a third sealing ring 4 may be arranged between the water inlet pipe 2 and the water inlet interface 11; correspondingly, in order to improve the sealing performance of the matching between the water stop device 5 and the water outlet pipe 8, a fourth sealing ring 6 can be arranged between the water outlet pipe 8 and the water outlet port 10, so that water cannot permeate into the valve head made of copper from the matching position between the water inlet pipe 2 and the water stop device 5 and between the water outlet pipe 8 and the water stop device 5, and the water quality of the valve head outlet water is further ensured. In order to facilitate the installation of the third sealing ring 4 and the fourth sealing ring 6, a third groove for installing the third sealing ring 4 can be arranged on the water inlet pipe 2, and a fourth groove for installing the fourth sealing ring 6 can be arranged on the water outlet pipe 8.
In addition to above-mentioned valve head, the utility model also provides a leading filter of valve head 14 including the above-mentioned embodiment is disclosed, including the cup 15 of being connected with valve head 14, set up filter screen 16 etc. in cup 15, leading filter is generally installed in the back of water gauge, and the main effect is to resume the running water to the standard before dispatching from the factory, protects downstream equipment. The structure of other parts of the prefilter is referred to in the prior art, and is not described herein again.
In addition to the above embodiments, in order to improve the sealing performance between the valve head 14 and the cup body 15, a fifth sealing ring 12 and a sixth sealing ring 13 may be further provided on the mating surface of the valve head 14 and the cup body 15.
Because the cup body 15 is internally provided with a cavity for filtering water, the filter screen 16 divides the cavity in the cup body 15 into an inner cavity and an annular outer cavity, water enters from the water inlet pipe 2 of the valve head 14, flows into the outer cavity in the cup body 15 through the water stop device 5, is filtered by the filter screen 16, enters the inner cavity, flows out from the inner cavity through the water stop device 5 and the water outlet pipe 8, therefore, the water-stop device 5 generally comprises an inner ring and an outer ring, which are respectively connected with the inner cavity and the annular outer cavity in the cup body 15 in a matching manner, the fifth sealing ring 12 can be arranged at the matching connection position of the water stop device 5 and the inner cavity, and the sixth sealing ring 13 is arranged at the matching connection position of the water stop device 5 and the outer cavity, so that the fifth sealing ring 12 and the sixth sealing ring 13 can be installed conveniently, and a fifth groove for installing the fifth sealing ring 12 and a sixth groove for installing the sixth sealing ring 13 can be further arranged on the water stop device 5.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 (10)
1. The utility model provides a valve head, its characterized in that includes inlet opening (1), apopore (9) and locates inlet opening (1) with water stop (5) between apopore (9), be equipped with on the inner wall of inlet opening (1) and be used for hiding inlet tube (2) of the inner wall of inlet opening (1), be equipped with on the inner wall of apopore (9) and be used for hiding outlet pipe (8) of the inner wall of apopore (9), inlet tube (2) with outlet pipe (8) are non-metallic pipe.
2. The valve head according to claim 1, characterized in that the water stop (5) is a non-metallic piece.
3. The valve head according to claim 2, characterized in that a first sealing ring (3) is arranged between the water inlet pipe (2) and the water inlet hole (1), and the first sealing ring (3) is arranged at the inlet of the water inlet hole (1).
4. The valve head according to claim 3, characterized in that a second sealing ring (7) is arranged between the water outlet pipe (8) and the water outlet hole (9), and the second sealing ring (7) is arranged at the outlet of the water outlet hole (9).
5. The valve head according to claim 4, characterized in that the water stop means (5), the water inlet pipe (2) and the water outlet pipe (8) are all plastic pieces.
6. The valve head according to any one of claims 1 to 5, wherein the water stop device (5) is provided with a water inlet port (11) nested with the water inlet pipe (2) on a side close to the water inlet pipe (2), and a water outlet port (10) nested with the water outlet pipe (8) on a side close to the water outlet pipe (8).
7. The valve head according to claim 6, characterized in that a third sealing ring (4) is arranged between the water inlet pipe (2) and the water inlet interface (11).
8. The valve head according to claim 7, characterized in that a fourth sealing ring (6) is arranged between the water outlet pipe (8) and the water outlet interface (10).
9. A pre-filter comprising a valve head (14), a sieve (16) and a bowl (15), characterised in that the valve head (14) is a valve head according to any one of claims 1 to 8.
10. The prefilter of claim 9 wherein the mating surfaces of said valve head (14) and said bowl are further provided with fifth (12) and sixth (13) sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687966.5U CN210159283U (en) | 2019-05-14 | 2019-05-14 | Pre-filter and valve head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687966.5U CN210159283U (en) | 2019-05-14 | 2019-05-14 | Pre-filter and valve head thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210159283U true CN210159283U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920687966.5U Active CN210159283U (en) | 2019-05-14 | 2019-05-14 | Pre-filter and valve head thereof |
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| Country | Link |
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| CN (1) | CN210159283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652777A (en) * | 2019-11-07 | 2020-01-07 | 海宁市水享净水设备有限公司 | Front filter |
-
2019
- 2019-05-14 CN CN201920687966.5U patent/CN210159283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652777A (en) * | 2019-11-07 | 2020-01-07 | 海宁市水享净水设备有限公司 | Front filter |
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