Front filtering system

Abstract

The utility model discloses a front filtering system. The filtering system comprises a filtering tank, a water inlet, a water outlet and a drain outlet are formed in the filter tank; a filter element is arranged in the filter tank; a water outlet pipe is arranged in the filter element; a first cavity is formed between the inner side wall of the filter tank and the outer side wall of the filter element; a second cavity is formed between the inner side wall of the filter element and the outer side wall of the water outlet pipe; a third cavity is formed in the inner side of the water outlet pipe; the upper part of the filter element is fixed through an upper bearing and is also provided with an upper impeller; a lower bearing and a lower impeller are arranged at the lower part of the filter element; a magnetic suspension device is further arranged on the lower portion of the lower impeller. The effect of continuously using the front filtering system under the condition of ensuring the water quality and the water flow speed is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to filter device field, concretely relates to a prefilter system. BACKGROUND

[0002] The prefilter is the first rough filter equipment for the water of the whole house, and can filter the large particle substances such as silt, rust, insect eggs and red worms in tap water. The prefilter is generally installed at the front end of the pipeline, so it is named as "pre". The "filter" refers to the basic principle of the equipment.

[0003] The prefilter system at present filters all the larger impurities due to the position, so that the filter core is easy to be blocked, at present, the filter core needs to be disassembled and cleaned, or the self-contained backflush system is used to flush, and the use of the filter core needs to be paused when cleaning, which causes certain influence on the continuous use of water. With the gradual blockage of the filter core, the water flow rate is gradually reduced, and the water quality is also negatively affected. How to continuously use the prefilter device without reducing the water quality and water flow rate becomes the research direction at present. SUMMARY

[0004] The prefilter system can be continuously used under the condition of ensuring the water quality and water flow rate by using the equipment.

[0005] To achieve the above object, the utility model provides the following technical scheme: a prefilter system, the filter system includes filter jar, the filter jar is provided with water inlet, water outlet and blowdown, the filter jar is provided with filter core, the filter core is provided with water outlet pipe, the inner side wall of filter jar and the outer side wall of filter core form first chamber, the inner side wall of filter core and the outer side wall of water outlet pipe form second chamber, the inner side of water outlet pipe forms third chamber, the upper part of filter core is fixed through upper bearing, and is also provided with upper impeller, the lower part of filter core is provided with lower bearing, and is also provided with lower impeller, the lower part of lower impeller is also provided with magnetic suspension device.

[0006] Preferably, the magnetic suspension device includes upper flange plate and lower flange plate correspondingly arranged, the upper flange plate and lower flange plate are fixed through internal hexagon screw, the magnetic suspension device also includes upper neodymium iron boron magnetic ring arranged at the lower part of impeller shaft and lower neodymium iron boron magnetic ring correspondingly arranged.

[0007] Preferably, the lower part of impeller shaft is provided with tungsten steel ball, and the lower part of tungsten steel ball is correspondingly provided with tungsten steel disc.

[0008] Preferably, O-shaped ring is arranged between the upper flange plate and lower flange plate.

[0009] Preferably, the outlet pipe side wall is provided with a water inlet hole; the lower part of the outlet pipe is provided with a one-way water inlet valve.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The filter core is in a suspended state by using the magnetic suspension device, and the filter core rotates by the power of water flow, so that the front filter device can clean the impurities on the surface while being used, and the water filtering effect and water flow speed can be kept constant for a long time.

[0012] 2. The magnetic suspension device can realize real-time cleaning of the filter core without additional power source, saves energy use, belongs to an environmentally friendly product, and meets the environmental protection requirements.

[0013] 3. The magnetic suspension front filter system has a clever structure design, can be realized without complex structure, and is convenient for enlargement and large-area popularization and use.

[0014] Other features and advantages of the present disclosure will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the related art, the following will briefly introduce the drawings needed to be used in the embodiment or related art description. Obviously, the drawings in the following description are only embodiments of the present disclosure, and those skilled in the art can obtain other drawings according to the provided drawings without creative labor.

[0016] Figure 1 It is a perspective view of the front filter system of the utility model;

[0017] Figure 2 It is a vertical sectional view of the front filter system of the utility model;

[0018] Figure 3 It is an enlarged view of the upper part of the front filter system of the utility model;

[0019] Figure 4 It is an enlarged view of the lower part of the front filter system of the utility model;

[0020] Figure 5 It is a partial enlarged view of the front filter system of the utility model;

[0021] Figure 6 It is an A-A sectional view of the front filter system of the utility model;

[0022] Fig. 1: filter tank, 2: water inlet, 3: water outlet, 4: sewage outlet, 11: filter core, 12: water outlet pipe, 13: first chamber, 14: second chamber, 15: third chamber, 16: upper bearing, 17: upper impeller, 18: lower bearing, 19: lower impeller, 110: magnetic suspension device, 1101: upper flange, 1102: lower flange, 1103: inner hexagonal screw, 1104: impeller shaft, 1105: upper neodymium iron boron magnetic ring, 1106: lower neodymium iron boron magnetic ring, 1107: tungsten steel ball, 1108: tungsten steel disc, 1109: O-ring, 121: water inlet hole, 122: one-way water inlet valve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Unless otherwise specified, the relative arrangement of components and steps, numerical expressions, and values set forth in these embodiments do not limit the scope of the present application. Meanwhile, it should be understood that the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those skilled in the related art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0025] For the purposes of the description, relative terms such as "on", "above", "at the top of", "top", "up", "down", "below" and the like can be used herein to describe one device or feature's spatial or other relationship to another device or feature as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the devices in use or operation in addition to the orientations depicted in the figures. The devices can be inverted from that shown, and, therefore, the relative terms can be interpreted as including at least both orientations of the devices. The devices can be oriented in other ways (rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly. The terms "first", "second" and other similar terms do not imply an order or sequence unless specifically stated, but rather are used to distinguish one element from another. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of use in either orientation.

[0026] Referring to Figures 1-6 The utility model provides a technical scheme: a kind of front filter system, filter system includes filter jar 1;Filter jar 1 is provided with water inlet 2, water outlet 3 and blowdown 4;Filter jar 1 is provided with filter core 11 in;Filter core 11 is provided with water outlet pipe 12 in;The first chamber 13 is formed between the inner side wall of filter jar 1 and the outer side wall of filter core 11;The second chamber 14 is formed between the inner side wall of filter core 11 and the outer side wall of water outlet pipe 12;Third chamber 15 is formed in the inner side of water outlet pipe 12;Filter core 11 upper portion is fixed by upper bearing 16, and it is also provided with upper impeller 17;Filter core 11 lower portion is provided with lower bearing 18, and it is also provided with lower impeller 19;Lower impeller 19 lower portion is also provided with magnetic suspension device 110.

[0027] Tap water enters filter jar 1 from water inlet 2, filter jar 1 can be set to various shapes, generally with cylindrical shape is appropriate, tap water in filter jar 1 flows downwards in the first chamber 13, due to the existence of water pressure, a part of tap water from the first chamber 13 passes through filter core 11 and enters the second chamber 14, and the tap water without passing through filter core 11 directly flows out from blowdown 4 in the lower portion of filter jar 1, the filtered water in the second chamber 14 enters third chamber 15 in water outlet pipe 12, and is discharged through upper water outlet 3 for people to use. Bearing is arranged in the upper portion and lower portion of filter core 11, and impeller is arranged between the bearing in the upper portion and lower portion of filter core 11, water flow in and out of filter jar 1 provides power for the rotation of impeller, and the rotation of filter core 11 is driven by the rotation of impeller, so that the centrifugal removal of impurities on the outer surface of filter core is realized. In order to ensure that the rotation of filter core 11 is more smooth, magnetic suspension device 110 is arranged in the lower portion of filter core, so that the filter core is lifted upward.

[0028] The magnetic suspension device 110 comprises an upper flange plate 1101 and a lower flange plate 1102 arranged correspondingly, and the upper flange plate 1101 and the lower flange plate 1102 are fixed by the hexagonal socket head cap screws 1103; the magnetic suspension device 110 further comprises an upper Nd-Fe-B magnetic ring 1105 arranged at the lower part of the impeller shaft 1104 and a lower Nd-Fe-B magnetic ring 1106 arranged correspondingly.

[0029] The lower part of the magnetic suspension device 110 is fixed by the flange plate, the lower part is the circular lower Nd-Fe-B magnetic ring 1106, the upper part is the circular upper Nd-Fe-B magnetic ring 1105 correspondingly, and the upper and lower Nd-Fe-B magnetic rings have the same polarity, so that the same polarity repels each other to make the filter core 11 lift upward.

[0030] The lower part of the impeller shaft 1104 is provided with a tungsten steel ball 1107, and the lower part of the tungsten steel ball 1107 is correspondingly provided with a tungsten steel disc 1108. In order to avoid direct friction between the Nd-Fe-B magnetic rings when the filter core 11 rotates, a tungsten steel disc 1108 is arranged at the center position of the Nd-Fe-B magnetic ring, and a tungsten steel ball 1107 half-embedded in the inside of the impeller shaft 1104 is arranged correspondingly at the upper part, and the tungsten steel ball 1107 and the tungsten steel disc 1108 relatively rotate and rub when the filter core rotates.

[0031] In order to ensure that the filtering system does not leak water, the O-ring 1109 is arranged between the upper flange plate 1101 and the lower flange plate 1102.

[0032] The side wall of the water outlet pipe 12 is provided with a water inlet hole 121, and the lower part of the water outlet pipe 12 is provided with a one-way water inlet valve 122. The filtered water enters the third chamber 15 through the water inlet hole 121 on the side wall of the water outlet pipe 12 and the one-way water inlet valve 122 at the lower part, wherein the water inlet hole 121 is a plurality of small holes penetrating the outside of the water outlet pipe 12, facilitating the entry of water flow. The one-way water inlet valve 122 is a valve structure sealed downward by gravity, and when the water pressure is large, the one-way water inlet valve 122 is lifted upward to enter water, and when the water pressure is not enough to lift the one-way water inlet valve 122, it falls to seal.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A prefilter system characterized by: The filter system comprises a filter tank (1), the filter tank (1) is provided with a water inlet (2), a water outlet (3) and a sewage outlet (4), the filter tank (1) is provided with a filter core (11), the filter core (11) is provided with a water outlet pipe (12), the inner side wall of the filter tank (1) and the outer side wall of the filter core (11) form a first chamber (13), the inner side wall of the filter core (11) and the outer side wall of the water outlet pipe (12) form a second chamber (14), the inner side of the water outlet pipe (12) forms a third chamber (15), the upper part of the filter core (11) is fixed through an upper bearing (16), and is further provided with an upper impeller (17), the lower part of the filter core (11) is provided with a lower bearing (18), and is further provided with a lower impeller (19), and the lower part of the lower impeller (19) is further provided with a magnetic suspension device (110).

2. A prefilter system according to claim 1, wherein: The magnetic suspension device (110) comprises an upper flange plate (1101) and a lower flange plate (1102) correspondingly arranged, the upper flange plate (1101) and the lower flange plate (1102) are fixed through a hexagonal socket head cap screw (1103), the magnetic suspension device (110) further comprises an upper neodymium iron boron magnetic ring (1105) arranged at the lower part of an impeller shaft (1104) and a lower neodymium iron boron magnetic ring (1106) correspondingly arranged.

3. A prefilter system according to claim 2, wherein: The lower part of the impeller shaft (1104) is provided with a tungsten steel ball (1107), and the lower part of the tungsten steel ball (1107) is correspondingly provided with a tungsten steel disc (1108).

4. A prefilter system according to claim 2, wherein: O-rings (1109) are arranged between the upper flange plate (1101) and the lower flange plate (1102).

5. A prefilter system according to claim 1, wherein: Water inlet holes (121) are arranged on the side wall of the water outlet pipe (12), and a one-way water inlet valve (122) is arranged at the lower part of the water outlet pipe (12).

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