Visual scraping and washing structure for top-mounted pre-filter and pre-filter

Abstract

The visible scraping and washing structure comprises a scraping and washing assembly and a scraping and washing driving part, the scraping and washing assembly comprises a scraping and washing seat and a scraping and washing part axially extending along the lower side of the scraping and washing seat, at least one scraping and washing part is arranged on the scraping and washing part, and the scraping and washing part is arranged on the scraping and washing seat. The scraping part can abut against the outer wall of the filter element and / or the inner wall of the filter bottle, a driving part is further arranged on the upper side of the scraping seat in an extending mode, the scraping driving part is arranged outside the filter bottle and comprises a connecting part and a driving part, the scraping driving part is fixedly connected with the driving part through the connecting part, and a visible window element is further coaxially arranged between the scraping assembly and the scraping driving part. The visible window element is provided with at least one visible window, the scraping and washing assembly and the scraping and washing driving piece can synchronously and coaxially rotate relative to the visible window element, and the scraping and washing driving piece can open or close the visible window. The structure is more optimized, the problem of blockage resetting can be solved visually and manually without disassembling the machine head and the filter bottle, and meanwhile visual cleaning is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a visual scraping structure for the upper -placed prefilter and prefilter, belong to water purification equipment technical field. BACKGROUND

[0002] The mainstream product of prefilter in prior art is filter bottle down -placed type, including: head, the filter bottle connected with the upper end of head, the drainage ball valve connected with the lower end of filter bottle, the filter screen framework is arranged in filter bottle, the outer wall of filter screen framework is sleeved with filter screen. In the process of using, water flows into the gap between filter bottle and filter screen from the water inlet of head, flows into the center of filter screen framework after filtering through filter screen, and then flows to the water outlet of head from the center of filter screen framework, when needing to discharge sewage, open the drainage ball valve at the lower end of filter bottle to realize. Some installation occasions, the filter bottle down -placed type prefilter is inconvenient to install, therefore, the filter bottle upper -placed type prefilter is born according to market demand, the valve head of this prefilter needs to be provided with a sewage outlet in addition to the water inlet, water outlet and filter bottle mounting port, that is, the function of the drainage ball valve originally arranged at the lower end of filter bottle needs to be transferred to the valve head.

[0003] The novel upper -placed prefilter, the filter core assembly will be blocked after long -term use, needs to be replaced or cleaned, there is a filter with the self -cleaning function of filter screen outer wall and / or filter bottle inner wall in prior art, mainly used to solve the problem of dirt attached to the surface of filter screen and filter bottle during the use of filter, can keep long -term, effective filter of impurities and dirt in water, reduce the disassembly, maintenance frequency of filter, the filter with the self -cleaning function of prior art cannot be visualized during cleaning, and when too much impurities, still can cause the jamming of cleaning (scraping) framework, cannot rotate to realize cleaning (scraping), need manual assistance, if realizing manual efficient auxiliary scraping through the visual scraping structure, need to design new structure. The utility model aims at providing a prefilter scraping structure and prefilter with more optimized structure, which can solve the jamming reset problem through visual manual operation without disassembling the head and filter bottle. SUMMARY

[0004] One of the purposes of the utility model is to solve the deficiency of prefilter in prior art, provide a visual scraping structure for the upper -placed prefilter with more optimized structure and easy to install, optimize the scraping structure in prior art, realize manual efficient auxiliary scraping through the visual scraping structure.

[0005] The second purpose of the utility model is to provide a prefilter with the visual scraping structure for the upper -placed prefilter.

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

[0007] The visual scraping structure for the overlying front filter includes a scraping assembly and a scraping driving part. The scraping assembly includes a scraping seat and a scraping part extending axially along the lower side of the scraping seat. At least one scraping part is arranged on the scraping part and can abut the outer wall of the filter core and / or the inner wall of the filter bottle. The upper side of the scraping seat further extends and is provided with a driving part. The scraping driving part is arranged outside the filter bottle and includes a coupling part and a driving part. The coupling part is fixedly connected with the driving part. A visual window element is coaxially arranged between the scraping assembly and the scraping driving part. The visual window element is provided with at least one visual window. The scraping assembly and the scraping driving part can synchronously rotate coaxially relative to the visual window element, and the scraping driving part can open or close the visual window.

[0008] Preferably, the scraping part is arranged in a circumferential direction of the scraping seat. A plurality of scraping strips and / or brushes are fixedly arranged on the scraping part, and the scraping strips and / or brushes constitute the scraping part.

[0009] Preferably, the driving part is a driving shaft, and the coupling part is a driving shaft seat matched with the driving shaft. Alternatively, the driving part is a driving shaft seat, and the coupling part is a driving shaft matched with the driving shaft seat. The driving shaft and the driving shaft seat are detachably fixedly connected. The detachable connection is any one of screwing, clamping, inserting and sleeving.

[0010] Preferably, the driving shaft is a special-shaped shaft, and the driving shaft seat is provided with a special-shaped shaft hole matched with the driving shaft. The driving shaft and the special-shaped shaft hole are connected through matching.

[0011] Preferably, the visual window element includes a rotating part and a window part. The visual window is arranged on the window part. The rotating part is rotatably and sealingly connected with the scraping assembly and the scraping driving part.

[0012] Preferably, the visual window element is combined by a front cover element and a rear cover element. The side wall of the combined body of the front cover element and the rear cover element constitutes the window part, the top part constitutes the rotating part, and at least the front cover element is provided with the visual window.

[0013] Preferably, the driving part is combined by a driving front cover element and a driving rear cover element. The side wall of the combined body of the driving front cover element and the driving rear cover element constitutes the driving part, and the top part constitutes the coupling part.

[0014] A front filter includes a valve head with a water inlet port, a water outlet port, a filter bottle assembly port and a blowdown port, a filter mechanism and an overlying filter bottle. The visual scraping structure is adopted.

[0015] Preferably, the bottom of the filter bottle is provided with a rotating cavity matched with the filter bottle. The scraping assembly and the scraping driving part are rotatably and sealingly connected with the rotating cavity of the filter bottle. The visual window element is fixedly connected with the filter bottle. During the rotation of the scraping driving part, the visual window of the visual window element can be opened or closed.

[0016] Preferably, the valve head is provided with an isolating inner liner made of inert material or at least having an inert material coating on the side in contact with water, the inert material being plastic, rubber or ceramic.

[0017] The utility model discloses beneficial effect: Structure is more optimal, need not to dismantle head and filter bottle and can see the manual solution and solve the problem of jam reset, realize visual cleaning simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

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

[0020] Figure 2 It is the structural schematic diagram of the utility model;

[0021] Figure 3 It is the structural schematic diagram of the utility model;

[0022] Figure 4 It is the structural schematic diagram of the utility model;

[0023] Figure 5 It is the structural schematic diagram of the utility model (visual window closed state);

[0024] Figure 6 It is the structural schematic diagram of the utility model (visual window open state);

[0025] Figure 7 It is the structural schematic diagram of the utility model (visual window open and scraping state).

[0026] In the drawing: 1, scraping assembly, 11, scraping piece, 12, scraping seat, 13, driving part, 2, scraping driving piece, 21, driving front cover element, 22, driving rear cover element, 23, connecting part, 3, visual window element, 31, visual window, 32, front cover element, 32, rear cover element, 4, valve head, 5, filter bottle, 6, filtering mechanism. DETAILED DESCRIPTION

[0027] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Example 1

[0032] like Figures 1-7 As shown, a visual scraping structure for an upper-mounted pre-filter includes a scraping assembly 1 and a scraping drive 2. The scraping assembly 1 includes a scraping seat 12 and a scraping member 11 extending axially along the lower side of the scraping seat 12. The scraping member 11 is provided with at least one scraping part, which can abut against the outer wall of the filter element and / or the inner wall of the filter bottle. A drive part 13 is also provided extending from the upper side of the scraping seat 12. The scraping drive 2 is disposed outside the filter bottle 3 and includes a connecting part 23 and a drive member. It is fixedly connected to the drive part 13 through the connecting part 23. A viewing window element 3 is also coaxially provided between the scraping assembly 1 and the scraping drive 2. The viewing window element 3 is provided with at least one viewing window 31. The scraping assembly 1 and the scraping drive 2 can rotate synchronously relative to the viewing window element 3 on the same axis, and the scraping drive 2 can open or close the viewing window.

[0033] Specifically, the scraping components 11 are distributed around the scraping seat, and a number of scraping strips and / or brushes are fixedly provided on the scraping components 11, which constitute the scraping part.

[0034] Specifically, the driving part 13 is a driving shaft, and the connecting part 23 is a driving shaft seat matched with the driving shaft, or the driving part 13 is a driving shaft seat, and the connecting part 23 is a driving shaft matched with the driving shaft seat, and the driving shaft and the driving shaft seat are detachably connected.

[0035] Specifically, the driving shaft is a special-shaped shaft, and the driving shaft seat is provided with a special-shaped shaft hole matched with the driving shaft.

[0036] Specifically, the visible window element 3 comprises a rotating part and a window part, and the visible window 31 is arranged on the window part and is rotatably and sealingly connected with the scraping assembly 1 and the scraping driving element 2 through the rotating part.

[0037] Specifically, the visible window element 3 is composed of a front cover element 32 and a rear cover element 33, the side wall of the combination of the front cover element 32 and the rear cover element 33 constitutes the window part, the top part constitutes the rotating part, and at least the front cover element 32 is provided with the visible window 31.

[0038] Specifically, the scraping driving element 2 is composed of a driving front cover element 21 and a driving rear cover element 22, and the side wall of the combination of the driving front cover element 21 and the driving rear cover element 22 constitutes the driving element, and the top part constitutes the connecting part.

[0039] A front filter comprises a valve head 4 provided with an inlet port, an outlet port, a filter bottle assembly port and a blowdown port, a filter mechanism 6 and an upper filter bottle 5, and the visible scraping structure is adopted.

[0040] Specifically, the filter bottle 5 is provided with a rotating cavity matched with the filter bottle 5, the scraping assembly 1 and the scraping driving element 2 are rotatably and sealingly connected with the rotating cavity of the filter bottle 5, the visible window element 3 is fixedly connected with the filter bottle 5, and the visible window 31 of the visible window element 3 can be opened or closed in the rotating process of the scraping driving element 2.

[0041] Specifically, the valve head 4 is provided with an isolation lining, the isolation lining is made of inert materials or at least one side in contact with water is provided with an inert material coating, and the inert material is plastic, rubber or ceramic.

[0042] The utility model has the advantages of more optimized structure, which can solve the jam reset problem manually without disassembling the head and the filter bottle, and realize visual cleaning.

[0043] The above-mentioned embodiment is only a preferred scheme of the utility model, and does not limit the utility model in any form, and other variants and modifications can be made without exceeding the technical scheme recorded in the claims.

Claims

1. A visual wiper structure for an over-head pre-filter, comprising a wiper assembly (1) and a wiper drive (2), characterized in that: The scraping assembly (1) comprises a scraping seat (12) and a scraping piece (11) extending axially along the lower side of the scraping seat (12), the scraping piece (11) is provided with at least one scraping part capable of abutting against the outer wall of the filter core and / or the inner wall of the filter bottle (5), the upper side of the scraping seat (12) is further provided with a driving part (13), the scraping driving piece (2) is arranged outside the filter bottle (5) and comprises a coupling part (23) and a driving piece, the coupling part (23) is fixedly connected with the driving part (13), and a visible window (31) element (3) is coaxially arranged between the scraping assembly (1) and the scraping driving piece (2), the visible window (31) element (3) is provided with at least one visible window (31), the scraping assembly (1) and the scraping driving piece (2) can synchronously rotate coaxially relative to the visible window (31) element (3), and the scraping driving piece (2) can open or close the visible window (31).

2. The visual wiper structure for an overhead pre-filter according to claim 1, wherein: The scraping piece (11) is circumferentially arranged on the scraping seat (12), and a plurality of scraping strips and / or brushes are fixedly arranged on the scraping piece (11) to form the scraping part.

3. The visual wiper structure for an overhead pre-filter according to claim 2, wherein: The driving part (13) is a driving shaft, the coupling part (23) is a driving shaft seat matched with the driving shaft, or the driving part (13) is a driving shaft seat, and the coupling part (23) is a driving shaft matched with the driving shaft seat, the driving shaft and the driving shaft seat are detachably fixedly connected, and the detachable connection is any one of screw connection, clamping connection, plug connection and sleeve connection.

4. The visual wiper structure for an overhead pre-filter according to claim 3, wherein: The driving shaft is a special-shaped shaft, and the driving shaft seat is provided with a special-shaped shaft hole matched with the driving shaft.

5. A visible wiper construction for an overboard pre-filter according to claim 1 or 2 or 3 or 4, characterized in that: The visible window (31) element (3) comprises a rotating part and a window part, the visible window (31) is arranged on the window part, and the rotating part is rotatably and sealingly connected with the scraping assembly (1) and the scraping driving piece (2).

6. The visible wiper construction for an overhead strainer according to claim 5, wherein: The visible window (31) element (3) is composed of a front cover element (32) and a rear cover element (33), the side wall of the combination of the front cover element (32) and the rear cover element (33) forms the window part, the top part forms the rotating part, and at least the front cover element (32) is provided with the visible window (31).

7. The visible wiper construction for an overhead strainer according to claim 6, wherein: The scraping driving piece (2) is composed of a driving front cover element (32) (21) and a driving rear cover element (33) (22), the side wall of the combination of the driving front cover element (32) (21) and the driving rear cover element (33) (22) forms the driving piece, and the top part forms the coupling part (23).

8. A pre-filter comprising a valve head (4) with an inlet port, an outlet port, a filter bottle (5) fitting port and a blowdown port, a filter mechanism (6) and an overlying filter bottle (5), characterized in that, The visible scraping structure of any one of claims 1-7 is adopted.

9. The prefilter of claim 8, wherein, The bottom of the filter bottle (5) is provided with a matched rotating cavity, the scraping assembly (1) and the scraping driving piece (2) are rotatably and sealingly connected with the rotating cavity of the filter bottle (5), the visible window (31) element (3) is fixedly connected with the filter bottle (5), and the visible window (31) of the visible window (31) element (3) can be opened or closed during the rotation of the scraping driving piece (2).

10. The prefilter of claim 8, wherein, The valve head (4) is provided with an isolating lining, which is made of an inert material or is coated on the side in contact with water with an inert material, such as plastic, rubber or ceramic.

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