CN220633360U

CN220633360U - Memory knob of front filter

Info

Publication number: CN220633360U
Application number: CN202321941603.2U
Authority: CN
Inventors: 胡效军; 顾博焕; 俞立兴; 段建新; 曹福江; 陈志超
Original assignee: Hangzhou Shuixiang Intelligent Technology Group Co ltd
Current assignee: Hangzhou Shuixiang Intelligent Technology Group Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-03-22
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a memory knob of a pre-filter, which comprises a knob body (3), an external magnet (4) arranged on the inner side of the knob body (3) and an internal magnet (2) arranged on the inner side of a top cover (1), wherein the lower surface of the knob body (3) is arranged on the top cover (1), the external magnet (4) is opposite to the internal magnet (2), the lower end of the external magnet (4) is attracted to the upper end of the internal magnet (2), the knob body (3) and the top cover (1) are non-magnetizers, an indication mark is arranged on the top cover (1), a plurality of time marks are arranged on the upper surface of the knob body (3), and the knob body (3) is used for aligning a cleaning time mark with the indication mark. The memory knob of the pre-filter memorizes the cleaning time so as to accurately and timely clean the pre-filter.

Description

Memory knob of front filter

Technical Field

The utility model relates to the technical field of pre-filters, in particular to a memory knob of a pre-filter.

Background

The pre-filter is a first coarse filtering device for the whole house water, and can filter the sediment, rust and other large particulate matters in tap water. The front filter is generally arranged at the front end of the pipeline and is usually arranged behind a water meter of a water inlet pipeline so as to ensure that a large amount of precipitated impurities generated in a pipe network cannot cause harm to human bodies and play a positive protection role on concealed pipelines, water taps, electric appliances and the like.

Typically a "T" shaped structure. The left and right ends of the upper transverse position are respectively provided with water inlets and water outlets. The lower vertical position is the machine body and the internal cylindrical filter screen, the lowest end is the sewage outlet, and the opening and closing are controlled by a valve. The drain outlet of the pre-filter needs to be opened periodically to clean dirt. Most of the pre-filters in the prior art are easy to forget to clean, or the cleaning delay is caused by unaware of specific cleaning time, so that the water quality filtration is affected, even the secondary pollution of test paper is caused, and the human body is injured.

In summary, how to effectively solve the problem that the cleaning time of the drain outlet of the pre-filter is easy to forget is a problem that the person skilled in the art needs to solve at present.

Disclosure of Invention

The utility model aims to provide a memory knob of a pre-filter, which memorizes cleaning time so as to accurately and timely clean the pre-filter.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a memory knob of pre-filter, includes the knob body, install in the outside magnet of knob body inboard, install in the inside magnet of top cap, the lower surface of knob body is arranged in on the top cap, just outside magnet is relative with the position of inside magnet, the lower extreme of outside magnet attracts with the upper end of inside magnet, the knob body with the top cap is non-magnetizer, have the instruction sign on the top cap, the upper surface of knob body is provided with a plurality of time signs, the knob body is in order to make clearance time sign and instruction sign aim at.

Optionally, the inner side of the knob body and the inner side of the top cover are provided with fixing rib positions, and the external magnet and the internal magnet are installed in the corresponding fixing rib positions.

Optionally, the external magnet and the internal magnet are in interference fit with the corresponding fixing ribs.

Optionally, the bottom surfaces of the external magnet and the internal magnet are flush with the bottom surfaces of the corresponding fixing ribs.

Optionally, the knob body is cylindrical as a whole, and the fixing rib is a circular ring.

Optionally, the time mark of the upper surface of the knob body is 12 months, and the numbers corresponding to the 12 months are equally divided on a dividing circle of the knob body.

Optionally, the knob body and the top cover are made of plastic.

The utility model has the beneficial effects that the memory knob of the pre-filter comprises a knob body, an external magnet and an internal magnet. The external magnet is installed in the inboard of knob body, and the internal magnet is installed in the inboard of top cap. The lower surface of knob body is arranged in on the top cap, and outside magnet is relative with the position of inside magnet, and the lower extreme of outside magnet is relative with the upper end of inside magnet, and the magnetism positive negative pole of the lower extreme of outside magnet and the upper end of inside magnet is relative, and the lower extreme of outside magnet attracts with the upper end of inside magnet mutually, attracts mutually through the magnetism of outside magnet and inside magnet and installs the knob body in the surface of top cap.

The knob body and the top cover are non-magnetizers, the magnetism of the external magnet and the magnetism of the internal magnet are mutually attracted to be detachably connected, and the external magnet is separated from the internal magnet, so that the knob body is separated from the top cover, and the knob body is rotated to adjust the direction of the knob body relative to the top cover.

The top cover is provided with an indication mark, and the upper surface of the knob body is provided with a plurality of time marks. After the pre-filter is cleaned, the knob body is screwed, so that the current cleaning time mark is aligned with the indication mark, the current cleaning time is marked and memorized, the cleaning time is conveniently checked, the pre-filter is accurately, timely and regularly cleaned, and the filtering quality of the pre-filter is improved. Simultaneously, knob body and top cap are for dismantling the connection, with knob body and external magnet follow the whole dismantlement of top cap, can not destroy the structure of top cap, do not influence the prefilter and normally use, use comparatively nimble convenience.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a memory knob of a prefilter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the top cover;

FIG. 3 is a schematic diagram of a memory knob;

FIG. 4 is another view of the memory knob;

FIG. 5 is a schematic view of the structure of an internal magnet;

fig. 6 is a schematic structural view of an external magnet.

The figures are marked as follows:

top cap 1, inside magnet 2, knob body 3, outside magnet 4, fixed muscle position 5.

Detailed Description

The utility model provides a memory knob of a pre-filter, which memorizes cleaning time so as to accurately and timely clean the pre-filter.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a memory knob of a pre-filter according to an embodiment of the present utility model; FIG. 2 is a schematic view of the structure of the top cover; FIG. 3 is a schematic view of the structure of the knob body; FIG. 4 is another view of the knob body; FIG. 5 is a schematic view of the structure of an internal magnet; fig. 6 is a schematic structural view of an external magnet.

In a specific embodiment, the memory knob of the pre-filter provided by the utility model comprises a knob body 3, an external magnet 4 arranged on the inner side of the knob body 3 and an internal magnet 2 arranged on the inner side of a top cover 1, wherein the lower surface of the knob body 3 is arranged on the top cover 1, the external magnet 4 is opposite to the internal magnet 2, the lower end of the external magnet 4 is attracted to the upper end of the internal magnet 2, the knob body 3 and the top cover 1 are non-magnetizers, an indication mark is arranged on the top cover 1, a plurality of time marks are arranged on the upper surface of the knob body 3, and the knob body 3 is screwed so as to align the cleaning time mark with the indication mark.

In the above structure, the memory knob of the prefilter comprises a knob body 3, an external magnet 4 and an internal magnet 2. The external magnet 4 is mounted on the inner side of the knob body 3, and the internal magnet 2 is mounted on the inner side of the top cover 1. The lower surface of knob body 3 is arranged in on top cap 1, and outside magnet 4 is relative with the position of inside magnet 2, and the lower extreme of outside magnet 4 is relative with the upper end of inside magnet 2, and the magnetism positive negative pole of the lower extreme of outside magnet 4 and the upper end of inside magnet 2 is relative, and the lower extreme of outside magnet 4 attracts with the upper end of inside magnet 2 mutually, attracts mutually through outside magnet 4 and the magnetism of inside magnet 2 and installs knob body 3 in the surface of top cap 1.

The knob body 3 and the top cover 1 are non-magnetizers, the magnetism of the external magnet 4 and the magnetism of the internal magnet 2 are mutually attracted to be detachably connected, and the external magnet 4 and the internal magnet 2 are separated, so that the knob body 3 and the top cover 1 are separated, and the knob body 3 is rotated to adjust the position of the knob body 3 relative to the top cover 1.

The top cover 1 is provided with indication marks, and the upper surface of the knob body 3 is provided with a plurality of time marks. After the pre-filter is cleaned, the knob body 3 is screwed so that the current cleaning time mark is aligned with the indication mark, the current cleaning time is marked and memorized, the cleaning time is conveniently checked, the pre-filter is cleaned accurately, timely and regularly, and the filtering quality of the pre-filter is improved. Simultaneously, knob body 3 and top cap 1 are detachable connection, with knob body 3 and external magnet 4 follow top cap 1 and wholly dismantle, can not destroy the structure of top cap 1, do not influence the prefilter and normally use, use comparatively nimble convenience.

The memory knob of the pre-filter is only a preferred scheme, and is not particularly limited to this, and can be adjusted in a targeted manner according to actual needs, so that different embodiments are obtained, the inner side of the knob body 3 and the inner side of the top cover 1 are provided with the fixing rib positions 5, and the external magnet 4 and the internal magnet 2 are installed in the corresponding fixing rib positions 5.

In some specific embodiments, the fixing rib position 5, the knob body 3 and the top cover 1 are integrally formed, a cavity is formed between the inner side of the fixing rib position 5 and the bottom surfaces of the knob body 3 and the top cover 1, and the external magnet 4 and the internal magnet 2 are arranged in the cavity, so that the structure is compact, the occupied space is small, and the overall size of the knob body 3 and the top cover 1 is not increased; the fixing rib position 5 has a limiting effect on the external magnet 4 and the internal magnet 2, prevents the positions of the external magnet 4 and the internal magnet 2 from moving, and ensures that the external magnet 4 and the internal magnet 2 can be accurately aligned.

Optionally, fixed muscle position 5 sets up in the central point of knob body 3 and top cap 1 puts, and knob body 3 installs in the center of top cap 1, and knob body 3 and top cap 1 connection dynamics are even, and knob body 3's connection stability is higher.

On the basis of the specific embodiments, the external magnet 4 and the internal magnet 2 are in interference fit with the corresponding fixing rib positions 5.

In some embodiments, the external magnet 4 and the internal magnet 2 have the same shape as the corresponding fixing rib 5, the external magnet 4 and the internal magnet 2 have slightly larger dimensions than the corresponding fixing rib 5, the external magnet 4 and the internal magnet 2 are in interference connection with the corresponding fixing rib 5, and the fixing rib 5 is tightly attached to the side walls of the external magnet 4 and the internal magnet 2. The interference can be 0.05mm-0.15mm, which ensures smooth connection and no detachment.

Of course, the interference fit of the external magnet 4 and the internal magnet 2 with the corresponding fixing rib 5 is only a preferred embodiment, not the only one, but it is also possible to connect them by adhesive, all within the scope of the utility model.

On the basis of the above embodiments, the bottom surfaces of the external magnet 4 and the internal magnet 2 are flush with the bottom surfaces of the corresponding fixing rib positions 5.

In some embodiments, the bottom surfaces of the external magnet 4 and the internal magnet 2 and the bottom surfaces of the corresponding fixing ribs 5 can be flush, so that the structure is compact, and the overall size of the knob body 3 and the top cover 1 is not increased; the connection distance between the external magnet 4 and the internal magnet 2 is nearest, and the connection strength is high.

Of course, the bottom surfaces of the external magnet 4 and the internal magnet 2 may be lower than the bottom surfaces of the corresponding fixing rib positions 5, and at this time, the external magnet 4 and the internal magnet 2 are embedded in the fixing rib positions 5; the bottom surfaces of the external magnet 4 and the internal magnet 2 are higher than the bottom surfaces of the corresponding fixing ribs 5, at this time, the bottom surface of the knob body 3 is not in contact with the surface of the top cover 1, and friction between the knob body 3 and the top cover 1 is reduced in the process of screwing the knob body 3.

In another more reliable embodiment, on the basis of any one of the above embodiments, the knob body 3 is integrally cylindrical, and the fixing rib 5 is a ring.

In some embodiments, the knob body 3 may be cylindrical as a whole, facilitating screwing; the knob body 3 is not unique in shape, and may be square. The fixing rib positions 5 are circular rings, so that the molding is convenient; other suitable shapes are also possible, such as directions, petals.

The indication mark on the top cover 1 can be a pointer mark or a dot mark based on the above embodiments. The time mark of the upper surface of the knob body 3 is 12 months, and the numbers corresponding to the 12 months are equally divided on a dividing circle of the knob body 3. The natural numbers 1-12 are uniformly distributed on the knob body 3, similar to the scale and digital form of a timepiece. The knob body 3 is screwed, so that the current cleaning month is aligned with the indication mark on the top cover 1, the time mark is realized, the operation is convenient, and the mark is clear.

In another more reliable embodiment, on the basis of any one of the above embodiments, the knob body 3 and the top cover 1 are made of non-magnetic conductors, so that the attraction of the external magnet 4 and the internal magnet 2 is not affected. The specific material can be plastic or aluminum, and has light weight, wide source and low cost.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The memory knob of the prefilter provided by the present utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a memory knob of pre-filter, its characterized in that, include knob body (3), install in outside magnet (4) of knob body (3) inboard, install in inside magnet (2) of top cap (1), the lower surface of knob body (3) is arranged in on top cap (1), just outside magnet (4) are relative with the position of inside magnet (2), the lower extreme of outside magnet (4) attracts with the upper end of inside magnet (2), knob body (3) with top cap (1) are non-magnetizer, have the instruction sign on top cap (1), the upper surface of knob body (3) is provided with a plurality of time marks, turn-knob body (3) so that clearance time mark aligns with the instruction sign.

2. The memory knob of the pre-filter according to claim 1, wherein the inner side of the knob body (3) and the inner side of the top cover (1) are provided with fixing rib positions (5), and the external magnet (4) and the internal magnet (2) are installed in the corresponding fixing rib positions (5).

3. The memory knob of the pre-filter according to claim 2, characterized in that the external magnet (4) and the internal magnet (2) are interference fitted with the corresponding fixing rib (5).

4. A memory knob of a prefilter according to claim 3, characterized in that the bottom surfaces of said external magnet (4) and internal magnet (2) are flush with the bottom surface of the corresponding fixing rib (5).

5. The memory knob of the pre-filter according to any one of claims 2-4, wherein the knob body (3) is entirely cylindrical and the fixing rib (5) is circular.

6. The memory knob of the pre-filter according to claim 5, characterized in that the time mark of the upper surface of the knob body (3) is 12 months, the numbers corresponding to 12 months being equally divided on a dividing circle of the knob body (3).

7. The memory knob of the pre-filter according to any one of claims 1-4, characterized in that the knob body (3) and the top cover (1) are made of plastic.