Pre-filter valve head structure capable of feeding and discharging water on same side and pre-filter

Abstract

The prefilter valve head structure comprises a valve shell, the valve shell is provided with an assembly end and a functional cavity, a raw water inlet channel and a purified water outlet channel are arranged on the same side of the functional cavity, and the prefilter valve head structure is characterized in that the assembly end is provided with a first assembly part and a second assembly part; and the valve head structure is respectively used for being assembled with the filter bottle and the filter mechanism, the valve head structure is also provided with a conversion pipe fitting, the conversion pipe fitting comprises an independent water inlet port and an independent water outlet port, the conversion pipe fitting is fixed on the side surface of the functional cavity, the water inlet port is communicated with the raw water inlet channel, and the water outlet port is communicated with the purified water outlet channel. The pre-filter valve head structure is more optimized and easy to install, optimizes and adjusts the structure of a valve head in the prior art, changes the flow direction of a water path, does not affect the installation of other intelligent control parts of the valve head, and is suitable for being used in installation scenes with limited space.

Description

Technical Field

[0001] The utility model relates to a pre-filter valve head structure with water inlet and outlet on the same side and a pre-filter, belonging to the technical field of water purification equipment. Background Art

[0002] The mainstream external pressure pre-filters in the existing art are designed with a bottom-mounted filter bottle, comprising a valve head, a filter bottle connected to the valve head at its upper end, and a drain ball valve connected to its lower end. A filter screen frame is installed within the filter bottle, and the outer wall of the filter screen frame is covered with a filter screen. During use, water flows from the water inlet of the valve head into the gap between the filter bottle and the filter screen, is filtered by the filter screen, flows into the center of the filter screen frame, and then flows from the center of the filter screen frame to the water outlet of the valve head. When sewage needs to be discharged, the drain ball valve at the lower end of the filter bottle is opened to achieve this. In this structure, the water inlet and outlet are distributed on both sides of the valve head, usually arranged symmetrically around the same axis.

[0003] The prior art pre-filters with coaxially symmetrically arranged water inlets and outlets have the following deficiencies: the water inlet and outlet usually need to be configured with connecting pipe sections, resulting in a longer axial dimension. In some installation scenarios, space is limited, and the installation of the pre-filter is very troublesome, and may even require damage to surrounding walls or other structural parts. The present utility model aims to provide a pre-filter valve head structure with a more optimized structure and easy installation for same-side water inlet and outlet. The structure of the prior art valve head is optimized and adjusted to change the water flow direction without affecting the installation of other intelligent control components of the valve head, so as to adapt to installation scenarios with limited space. The present utility model also aims to provide a pre-filter with this same-side water inlet and outlet valve head structure. Utility Model Content

[0004] One of the purposes of the present invention is to solve the shortcomings of the pre-filter in the prior art, and to provide a pre-filter valve head structure with more optimized structure and easy installation for water inlet and outlet on the same side. The structure of the valve head in the prior art is optimized and adjusted to change the flow direction of the water path without affecting the installation of other intelligent control components of the valve head, so as to adapt to the use of installation scenarios with limited space.

[0005] The second purpose of the present utility model is to provide a pre-filter with a pre-filter valve head structure for water inlet and outlet on the same side.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] The pre-filter valve head structure with water inlet and outlet on the same side includes a valve housing, the valve housing is provided with an assembly end and a functional cavity, the functional cavity is provided with a raw water inlet channel and a purified water outlet channel on the same side, and is characterized in that: the assembly end is provided with a first assembly part and a second assembly part, which are used to assemble with the filter bottle and the filtering mechanism respectively, and the valve head structure is also provided with a conversion pipe fitting, the conversion pipe fitting includes an independent water inlet port and water outlet port, the conversion pipe fitting is fixed to the side of the functional cavity, and the water inlet port is connected with the raw water inlet channel, and the water outlet port is connected with the purified water outlet channel.

[0008] Preferably, the conversion tube and the functional chamber are connected via a detachable structure, and a sealing element is provided at the connection portion.

[0009] Preferably, the detachable structure is a first retaining spring structure provided between the water inlet port and the raw water inlet channel, a second retaining spring structure provided between the water outlet port and the purified water outlet channel, and the sealing element is an annular sealing ring.

[0010] Preferably, the water inlet port is provided with a retaining spring or a retaining spring groove, the raw water inlet channel is provided with an adaptive retaining spring groove or retaining spring, the water outlet port is provided with a retaining spring or a retaining spring groove, the purified water outlet channel is provided with an adaptive retaining spring groove or retaining spring, and an annular sealing ring mounting groove is provided between the water inlet port and the raw water inlet channel and between the water outlet port and the purified water outlet channel.

[0011] Preferably, the valve housing and the conversion pipe are made of inert materials or at least the side in contact with water is provided with an inert material coating, and the inert material is plastic, rubber or ceramic.

[0012] Preferably, the valve housing and the valve body are respectively integrally injection-molded using plastic or rubber materials.

[0013] A pre-filter comprises a valve head, a filtering mechanism and a filter bottle, and adopts the valve head structure mentioned above.

[0014] Preferably, the bottom of the filter bottle is closed, the filtering mechanism includes a filtering frame and a filtering element, the top of the filtering frame is adapted to the second assembly part through a water inlet cover, the water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel, the filter bottle and the first assembly part are detachably fixed, and the detachability includes screw connection, snap connection or plug-in connection, and a magnet is also provided between the bottom of the filter bottle and the filtering frame.

[0015] Preferably, the bottom of the filter bottle is open, and a sewage discharge assembly is fixedly provided at the opening. The filtering mechanism includes a filter frame and a filter element. The top of the filter frame is adapted to the second assembly part through a water inlet cover. The water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel. The filter bottle is detachably fixed to the first assembly part, and the detachability includes screwing, snapping or plugging.

[0016] Preferably, the filter skeleton is a filter mesh skeleton, and the filter element is a filter mesh or PP cotton or a filter membrane; or the filter skeleton is a laminate skeleton, and the filter element is a filter laminate.

[0017] The beneficial effects of this utility model are: the structure is more optimized, the pre-filter valve head structure with water inlet and outlet on the same side is easy to install, the structure of the valve head in the existing technology is optimized and adjusted, the water flow direction is changed, and the installation of other intelligent control components of the valve head is not affected, so as to adapt to the use of installation scenarios with limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 yes Figure 1 sectional view of

[0021] Figure 3 yes Figure 1 sectional view of

[0022] Figure 4 yes Figure 1 sectional view of .

[0023] In the figure: 1. nut and flat washer, 2. screw, 3 (6, 9, 10, 12, 17), sealing element, 4. nut, 5. conversion fitting, 7. retaining ring, 8. valve housing, 11. filter bottle, 13. water inlet cover, 14. filter frame, 15. magnet, 16. filter screen. DETAILED DESCRIPTION

[0024] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of this utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0028] Example 1

[0029] like Figure 1-4 As shown, the pre-filter valve head structure with water inlet and outlet on the same side includes a valve housing 8, and the valve housing 8 is provided with an assembly end and a functional cavity. The functional cavity is provided with a raw water inlet channel and a purified water outlet channel on the same side. The assembly end is provided with a first assembly part and a second assembly part, which are respectively used to assemble with the filter bottle 11 and the filtering mechanism. The valve head structure is also provided with a conversion pipe fitting 5, and the conversion pipe fitting 5 includes an independent water inlet port and a water outlet port. The conversion pipe fitting 5 is fixed to the side of the functional cavity, and the water inlet port is connected with the raw water inlet channel, and the water outlet port is connected with the purified water outlet channel. The water outlet port is provided with a quick connection structure, including a nut 4, a screw 2, a nut flat gasket 1 and a sealing element 3.

[0030] Preferably, the conversion tube 5 is connected to the functional cavity via a detachable structure, and a sealing element 6 is provided at the connection portion.

[0031] Preferably, the detachable structure is a first retaining spring structure (specifically, retaining spring 7) provided between the water inlet port and the raw water inlet channel, a second retaining spring structure (specifically, retaining spring 7) provided between the water outlet port and the purified water outlet channel, and the sealing element is an annular sealing ring (specifically, an O-ring 6).

[0032] Preferably, the water inlet port is provided with a retaining spring or a retaining spring groove, the raw water inlet channel is provided with an adaptive retaining spring groove or retaining spring, the water outlet port is provided with a retaining spring or a retaining spring groove, the purified water outlet channel is provided with an adaptive retaining spring groove or retaining spring, and an annular sealing ring mounting groove is provided between the water inlet port and the raw water inlet channel and between the water outlet port and the purified water outlet channel.

[0033] Preferably, the valve housing 8 and the conversion pipe 5 are made of inert materials or at least the surface in contact with water is provided with an inert material coating, and the inert material is plastic, rubber or ceramic.

[0034] Preferably, the valve housing 8 and the conversion pipe 5 are respectively integrally injection-molded using plastic or rubber materials.

[0035] A pre-filter comprises a valve head, a filtering mechanism and a filter bottle, and adopts the valve head structure mentioned above.

[0036] Preferably, the bottom of the filter bottle 11 is closed, and the filtering mechanism includes a filter skeleton 14 and a filter element. The top of the filter skeleton 14 is adapted to the second assembly part through the water inlet cover 13. The water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel. The filter bottle 11 is detachably fixed to the first assembly part, and the detachability includes screw connection, snap connection or plug-in connection, and is provided with sealing elements 9 and 10. In the utility model, a magnet 15 is also provided between the bottom of the filter bottle 11 and the filter skeleton 14 for adsorbing metal iron filings in the water.

[0037] As a parallel solution, the filter bottle 11 can also be an open type at the bottom, with a sewage discharge component fixedly provided at the opening. The filtering mechanism includes a filter skeleton 14 and a filter element. The top of the filter skeleton 14 is adapted to the second assembly part through a water inlet cover 13, and is provided with a sealing element 12. The water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel. The filter bottle 11 is detachably fixed to the first assembly part, and the detachability includes screwing, snapping or plugging.

[0038] Preferably, the filter skeleton 14 is a filter mesh skeleton, and the filter element is a filter mesh 16 (a sealing element 17 is provided between the filter mesh 16 and the filter mesh skeleton) or PP cotton or a filter membrane; or the filter skeleton is a laminate skeleton, and the filter element is a filter laminate.

[0039] The beneficial effects of this utility model are: the structure is more optimized, the pre-filter valve head structure with water inlet and outlet on the same side is easy to install, the structure of the valve head in the existing technology is optimized and adjusted, the water flow direction is changed, and the installation of other intelligent control components of the valve head is not affected, so as to adapt to the use of installation scenarios with limited space.

[0040] The embodiment described above is only a preferred solution of the present invention and does not limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A pre-filter valve head structure with water inlet and outlet on the same side, comprising a valve housing with an assembly end and a functional cavity, wherein a raw water inlet channel and a purified water outlet channel are provided on the same side of the functional cavity, characterized in that: The assembly end is provided with a first assembly part and a second assembly part, which are respectively used to assemble with the filter bottle and the filtering mechanism. The valve head structure is also provided with a conversion pipe fitting, which includes an independent water inlet port and a water outlet port. The conversion pipe fitting is fixed to the side of the functional cavity, and the water inlet port is connected to the raw water inlet channel, and the water outlet port is connected to the purified water outlet channel.

2. The pre-filter valve head structure for water inlet and outlet on the same side according to claim 1, characterized in that: The conversion tube and the functional cavity are connected via a detachable structure, and a sealing element is provided at the connection portion.

3. The pre-filter valve head structure for water inlet and outlet on the same side according to claim 2, characterized in that: The detachable structure is a first retaining spring structure provided between the water inlet port and the raw water inlet channel, a second retaining spring structure provided between the water outlet port and the purified water outlet channel, and the sealing element is an annular sealing ring.

4. The pre-filter valve head structure for water inlet and outlet on the same side according to claim 3, characterized in that: The water inlet port is provided with a retaining spring or a retaining spring groove, the raw water inlet channel is provided with an adaptive retaining spring groove or retaining spring, the water outlet port is provided with a retaining spring or a retaining spring groove, the purified water outlet channel is provided with an adaptive retaining spring groove or retaining spring, and an annular sealing ring mounting groove is provided between the water inlet port and the raw water inlet channel and between the water outlet port and the purified water outlet channel.

5. The pre-filter valve head structure for water inlet and outlet on the same side according to claim 1, 2, 3 or 4, characterized in that: The valve housing and the conversion pipe are made of inert materials or at least the side in contact with water is provided with an inert material coating, and the inert material is plastic, rubber or ceramic.

6. The pre-filter valve head structure for water inlet and outlet on the same side according to claim 5, characterized in that: The valve housing and the conversion pipe are respectively made of plastic or rubber material and are integrally injection-molded.

7. A pre-filter, comprising a valve head, a filtering mechanism and a filter bottle, characterized in that: The valve head structure according to any one of claims 1 to 6 is adopted.

8. The pre-filter according to claim 7, characterized in that: The bottom of the filter bottle is closed, and the filtering mechanism includes a filtering frame and a filtering element. The top of the filtering frame is adapted to the second assembly part through a water inlet cover. The water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel. The filter bottle and the first assembly part are detachably fixed, and the detachability includes screw connection, snap connection or plug-in connection. A magnet is also provided between the bottom of the filter bottle and the filtering frame.

9. The pre-filter according to claim 7, characterized in that: The bottom of the filter bottle is open, and a sewage discharge assembly is fixedly provided at the opening. The filtering mechanism includes a filtering frame and a filtering element. The top of the filtering frame is adapted to the second assembly part through a water inlet cover. The water inlet cover is provided with a raw water inlet and a purified water outlet, which are respectively connected to the raw water inlet channel and the purified water outlet channel. The filter bottle is detachably fixed to the first assembly part, and the detachability includes screwing, snapping or plugging.

10. The pre-filter according to claim 8 or 9, characterized in that: The filter skeleton is a filter mesh skeleton, and the filter element is a filter mesh or PP cotton or a filter membrane; or the filter skeleton is a laminate skeleton, and the filter element is a filter laminate.

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