Filter device with spiral flushing function

Abstract

The present application discloses a filtering device with a spiral flushing function, which includes: a machine head, a filter bottle body, a filter element, a filter element cover, a diverter, and a filter element end cover; the machine head includes a water inlet, a water outlet, and a flushing hole, the water inlet is connected to a water inlet channel, the water outlet is connected to a water outlet channel, and the flushing hole is connected to a flushing channel; the filter element cover is arranged outside the filter element, and the filter element cover has multiple filter element cover water inlets; the diverter is arranged outside the filter element cover and covers a part of the upper end of the filter element cover; the filter element end cover is fixed on the top of the filter element, and the filter element end cover has a water outlet, and the water outlet passes through the diverter and is connected to the water outlet channel. The present application effectively improves the flushing effect and greatly extends the service life of the filter element.

Description

Technical Field

[0001] The invention relates to water treatment and purification technology, in particular to a filtering device with a spiral flushing function. Background Art

[0002] As people pay more attention to healthy drinking water and ultrafiltration technology becomes more mature, more and more people begin to choose ultrafiltration membrane as the main filtering product. However, the existing ultrafiltration machines have a serious problem: they either do not have a flushing function, or although they have a flushing function, the flushing is uneven and there are dead corners, which cannot achieve the flushing effect. This results in a short filter element life and the need to frequently replace the filter element, which greatly increases the cost of using the machine. Summary of the invention

[0003] The main purpose of the present invention is to provide a filter device with a spiral flushing function to solve the problem of short filter element life caused by poor flushing effect of the filter device in the prior art.

[0004] In order to solve the above problems, a filtering device with a spiral flushing function is proposed according to an embodiment of the present invention, which comprises: a machine head, a filter bottle body, a filter element, a filter element cover, a diverter, and a filter element end cover; the machine head comprises a water inlet hole, a water outlet hole and a flushing hole, the water inlet hole is connected to a water inlet channel, the water outlet hole is connected to a water outlet channel, and the flushing hole is connected to a flushing channel; the filter bottle body is connected to the machine head, the filter element, the filter element cover, the diverter and the filter element end cover are arranged inside the filter bottle body; the filter element cover is arranged outside the filter element, and the filter element cover has a plurality of filter element cover water inlets; wherein a first gap is provided between the filter element cover and the filter bottle body, and the first gap constitutes a part of the flushing channel; the diverter is arranged outside the filter element cover and covers the upper end of the filter element cover a part; wherein, there is a second gap between the diverter and the filter bottle body, and the second gap constitutes a part of the flushing channel; the filter element end cover is fixed on the top of the filter element, and the filter element end cover has a water outlet, and the water outlet passes through the diverter and is connected with the water outlet channel; wherein there is a third gap between the filter element end cover and the diverter, and the third gap constitutes a part of the water inlet channel; wherein, raw water enters the water inlet channel from the water inlet hole, and the raw water enters the filter element cover in a spiral manner through the multiple filter element cover water inlets, and then the raw water rotates and flows on the surface of the filter element to be filtered by the filter element into filtered water and concentrated water; the filtered water enters the water outlet channel from the water outlet of the filter element end cover, and flows out from the water outlet hole; the concentrated water enters the flushing channel from the lower end of the filter element, and flows out from the flushing hole in a spiral.

[0005] Wherein, the filter bottle main body includes: a filter bottle and a filter bottle bottom cover, one end of the filter bottle is connected to the machine head, and the other end of the filter bottle is connected to the filter bottle bottom cover; the filter bottle includes a bottle mouth and a bottle body, the bottle mouth of the filter bottle has a filter bottle thread, and the inner wall of the flushing channel of the machine head has a machine head thread corresponding to the filter bottle thread, and the machine head is connected to the filter bottle by connecting the filter bottle thread with the machine head thread.

[0006] The flushing channel has a spiral water guide surface at the connection between the flushing channel and the flushing hole, and concentrated water enters the flushing channel from the lower end of the filter element and flows out of the flushing hole in a spiral through the spiral water guide surface.

[0007] Among them, the upper part of the outer wall of the filter element cover has a plurality of threaded rotating water inlet guide ribs, and the water inlet guide ribs of the filter element cover are provided with a plurality of filter element cover water inlets; the inner wall of the filter element cover has a plurality of flushing guide ribs which have the same thread rotation direction as the water inlet guide ribs and are connected to the water inlet guide ribs; the lower part of the outer wall of the filter element cover has a plurality of threaded rotating drainage guide ribs, and the thread rotation direction of the drainage guide ribs is opposite to that of the water inlet guide ribs.

[0008] Wherein, a filter cover sealing groove is further arranged between the drainage guide rib and the water inlet guide rib, a filter cover sealing ring is arranged in the filter cover sealing groove, and the filter cover seals the gap between the filter cover and the diverter.

[0009] Wherein, the outer wall of the diverter is provided with a plurality of threaded rotating flow guide ribs, and the flow guide ribs are matched with the drainage guide ribs.

[0010] The diverter is provided with a sealing groove, a diverter sealing ring is provided in the sealing groove, and the diverter sealing ring is used to seal the gap between the diverter and the side wall of the water inlet.

[0011] Wherein, the filter element end cover has a protrusion, and the water outlet is arranged at the middle position of the protrusion of the filter element end cover.

[0012] According to the technical solution of the present invention, by providing a filter device with a spiral flushing function, the rotary flushing can flush the filter element more cleanly, effectively improve the flushing effect, and greatly extend the service life of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be described below with reference to the accompanying drawings, wherein like reference numerals represent like elements, and:

[0014] Figure 1A is a cross-sectional schematic diagram of a filtering device according to an embodiment of the present application;

[0015] Figure 1B yes Figure 1A Schematic diagram rotated 90 degrees;

[0016] Figure 1C is a perspective view of a filtering device according to an embodiment of the present application;

[0017] Figure 2A is a stereoscopic diagram of a machine head according to an embodiment of the present application;

[0018] Figure 2B is a cross-sectional view of a machine head according to an embodiment of the present application;

[0019] Figure 2C is a perspective view of the top of a nose according to an embodiment of the present application;

[0020] Figure 3A is a three-dimensional diagram of a filter bottle according to an embodiment of the present application;

[0021] Figure 3B is a cross-sectional schematic diagram of a filter bottle according to an embodiment of the present application;

[0022] Figure 3C is a three-dimensional diagram of a filter bottle bottom cover according to an embodiment of the present application;

[0023] Figure 4A is a three-dimensional diagram of a filter element cover according to an embodiment of the present application;

[0024] Figure 4B is a schematic diagram of the interior of a filter element cover according to an embodiment of the present application;

[0025] Figure 5 is a three-dimensional diagram of a filter element end cover according to an embodiment of the present application;

[0026] Fig. 6A is a three-dimensional diagram of a flow divider according to an embodiment of the present application;

[0027] Figure 6B is a schematic cross-sectional view of a flow divider according to an embodiment of the present application;

[0028] Figure 7 It is a schematic diagram of an exploded view of a filtering device according to an embodiment of the present application.

[0029] Although the embodiments shown are described herein in conjunction with the specification of the present application, those skilled in the art should understand that the purpose of the description in conjunction with the drawings in the specification is to illustrate the present invention, rather than to limit the present invention. On the contrary, the description of the present invention is intended to cover all optional technical solutions, modified technical solutions and equivalent technical solutions included in the scope and spirit of protection required by the claims of the present invention. DETAILED DESCRIPTION

[0030] The specific material types, components, methods and other examples disclosed in the present invention do not limit the many technical points and embodiments of the present invention. At the same time, various other material types, components, methods and processes known in the art are also applicable to specific embodiments of the present invention. Therefore, for example, although the present specification discloses a variety of specific embodiments, these embodiments and their implementation components may include any mode, type, material, deformation, quality and / or component for the system and implementation components and meet the expected operation.

[0031] The words "illustrative", "example" or other forms used in this specification are used to express examples, indicate examples or serve as illustrations. Compared with other features or designs, the "illustrative" or "example" features or designs described in the specification of the present invention do not need to be interpreted as being superior or more advantageous than other technical points or designs. In addition, the purpose of providing examples in the specification of the present invention is only to make the present invention clearer and easier to understand, but providing these examples does not mean that the technical solutions or related parts to be protected by the present invention are restricted or limited in any way. It should be understood that this specification may have reflected various additional examples or alternative examples within different protection scopes, but these examples are omitted in this specification for the sake of brevity.

[0032] Although the present invention specification may include embodiments in many different forms, for some preferred embodiments described in detail in the specification and shown in the drawings, it should be understood that: these contents disclosed in the present invention specification should be regarded as schematic illustrations of the principles of the present invention, and these shown embodiments are not intended to limit the scope of protection of the present invention.

[0033] According to the embodiment of the present application, a filtering device with a spiral flushing function is proposed, combined with reference Figures 1A to 1C and Figure 7 The device at least includes: a machine head 10, a filter element 20, a filter bottle 30, a filter element cover 40, a filter element end cover 50, a diverter 60, and a filter bottle bottom cover 70.

[0034] refer to FIG. 2A to FIG. 2C The machine head 10 is arranged at the top of the filter device, and the machine head 10 includes a water inlet 11, a water outlet 12 and a flushing hole 13. The water inlet 11 is used for raw water to flow in, and the water inlet 11 is connected to the water inlet channel. The water outlet 12 is used for filtered water to flow out, and the water outlet 12 is connected to the water outlet channel. The flushing hole 13 is used for concentrated water to flow out, and the flushing hole 13 is connected to the flushing channel. In the embodiment of the present application, the flushing channel has a spiral water guide surface 15 at the connection between it and the flushing hole 13. The concentrated water enters the flushing channel from the lower end of the filter element 20, and spirally flows out of the flushing hole 13 through the spiral water guide surface 15. Figure 2CThe arrow direction in the figure indicates the direction in which the concentrated water spiral flows out. In addition, the inner wall of the flushing channel of the head 10 is also provided with a head thread 14, which is used to be connected with the filter bottle 30.

[0035] It should be noted that in the present application, the water before filtration by the filter element 20 is raw water (i.e., water to be filtered), the water filtered by the filter element 20 is filtered water, and the water that passes through the surface of the filter element 20 but does not enter the interior of the filter element 20 is concentrated water. In the present application, the filter element 20 can be filtered using ultrafiltration technology.

[0036] refer to FIG. 3A to FIG. 3C The filter bottle 30 and the filter bottle bottom cover 70 constitute the filter bottle body, and the filter element 20, the filter element cover 40, the diverter 50 and the filter element end cover 50 are arranged inside the filter bottle body. Figure 3A and Figure 3B As shown, one end of the filter bottle 30 is connected to the machine head 10, and the other end of the filter bottle 30 is connected to the filter bottle bottom cover 70. The filter bottle 30 is generally in the shape of a hollow round bottle, and the filter bottle 30 includes a bottle mouth portion 31 and a bottle body portion 35. The outer wall of the bottle mouth portion 31 is provided with a filter bottle thread 32, and the filter bottle thread 32 is adapted to the machine head thread 14 of the machine head 10. The filter bottle thread 32 and the machine head thread 14 are spirally connected to fix the filter bottle 30 with the machine head 10. A sealing ring groove 33 is also provided at the upper end of the bottle mouth portion 31, and a filter bottle sealing ring 34 is provided in the sealing groove 33. The filter bottle sealing ring 34 is used to seal the gap between the filter bottle 30 and the inner wall of the machine head 10. A welding boss 36 is also provided at the lower end of the bottle body portion 35, as shown in FIG. Figure 3C As shown, the upper end of the filter bottle bottom cover 70 has a welding groove 71, and the filter bottle 30 and the filter bottle bottom cover 70 are connected together by welding the welding boss 36 and the welding groove 71 together.

[0037] In the embodiment of the present application, the filter element cover 40 is disposed outside the filter element 20. Figure 4A and Figure 4BThe filter cover 40 is generally in the shape of a hollow cylinder, and is disposed outside the filter element 20. The upper portion of the filter cover 40 has a plurality of water inlet guide ribs 41 that rotate with a plurality of threads, and the upper portion of the filter cover 40 also has a plurality of support ribs 42 that are disposed laterally, and a plurality of filter cover water inlets are provided between the plurality of water inlet guide ribs 41 and the plurality of support ribs 42. In other words, the upper portion of the filter cover 40 is hollowed out, and the hollowed-out portion constitutes a water inlet, and the raw water flowing down the water inlet channel spirally enters the interior of the filter cover 40 from the filter cover water inlet. The lower portion of the outer wall of the filter cover has a plurality of drainage guide ribs 43 that rotate with a plurality of threads, and the drainage guide ribs 43 rotate in the opposite direction of the threads of the water inlet guide ribs 41. If the threads of the water inlet guide ribs 41 rotate in a counterclockwise direction, the threads of the drainage guide ribs 43 rotate in a clockwise direction. A filter cover sealing groove 45 is also provided between the drainage guide rib 43 and the water inlet guide rib 41, and a filter cover sealing ring 46 is provided in the filter cover sealing groove 45 (refer to Figure 7 ), the filter cover sealing ring 46 is used to seal the gap between the filter cover 40 and the diverter 50. When water flows along the water inlet channel to the filter cover sealing groove 45, the sealing ring 46 prevents the water from continuing to flow down along the outer wall of the filter cover 40, but allows the water to enter the filter cover 40 through the water inlet. It should be noted that the gaps at both ends of the filter cover 40 and the filter element 20 are sealed by sealant. Figure 1A The upper ends of the filter element cover 40 and the filter element 20 are sealed by a sealant 47 , and the lower ends of the filter element cover 40 and the filter element 20 are sealed by a sealant 48 .

[0038] Continue to refer Figure 4B The lower part of the inner wall of the filter element cover 40 has a plurality of flushing guide ribs 44, and the flushing guide ribs 44 have the same thread rotation direction as the water inlet guide ribs 41, and the flushing guide ribs 44 are connected to the water inlet guide ribs 41. When the raw water enters the filter element cover 40 through the water inlet, under the action of the flushing guide ribs 44, the raw water forms a threaded rotating water flow to contact the filter element 20, and the raw water can be filtered by the filter element 20 while flushing the filter element 20.

[0039] refer to Figure 5 The filter element end cover 50 is fixedly connected to the filter element 20, for example, the filter element end cover 50 is welded to the top of the filter element 20. The filter element end cover 50 includes a protrusion 51 and a cover body 55, and the cover body 55 is tightly covered on the top of the filter element 20. The hollow protrusion 51 passes through the diverter 60 and extends into the water outlet channel to closely contact the inner wall of the water outlet channel. In some embodiments of the present application, the protrusion 51 has one or more sealing grooves 52, Figure 5Two sealing grooves 52 are shown in the figure, and other numbers of sealing grooves may be provided in other embodiments. A sealing ring 54 is provided in the sealing groove 52, and the sealing ring 54 is used to seal the gap between the protrusion 51 and the inner wall of the water outlet channel to prevent water from flowing into the gap. A water outlet 53 is provided in the middle of the protrusion 51, and the filtered water after being filtered by the filter element 20 enters the water outlet channel through the water outlet 53 and then flows out through the water outlet hole 12.

[0040] The diverter 60 is generally in the shape of a hollow round bottle. The shape of the diverter 60 is similar to that of the filter bottle 30, but the size of the diverter 60 is smaller than that of the filter bottle 30. Fig. 6A and Figure 6B The diverter 60 includes a bottle mouth 61 and a bottle body 65. The bottle mouth 61 has a sealing groove 62. A diverter sealing ring 63 is arranged in the sealing groove 62. The diverter sealing ring 63 is mainly used to seal the gap between the diverter 60 and the side wall of the water inlet. The outer wall of the bottle body 65 is provided with a plurality of threaded rotating guide ribs 66. The guide ribs 66 match the diversion guide ribs 43. Specifically, the rotation angle and direction of the guide ribs 66 and the diversion guide ribs 43 are consistent. When the diverter 60 is arranged outside the filter cover 40, the diverter 50 covers a part of the upper end of the filter cover 40, that is, the diverter 50 covers the part of the filter cover 40 above the filter cover sealing groove 45.

[0041] According to the embodiment of the present application, raw water enters the water inlet channel from the water inlet hole, and enters the filter cover in a spiral manner through the multiple filter cover water inlets, and then the raw water rotates and flows on the surface of the filter to be filtered by the filter into filtered water and concentrated water; filtered water enters the water outlet channel from the water outlet of the filter cover and flows out from the water outlet hole; concentrated water enters the water outlet channel from the lower end of the filter and flows out from the flushing hole in a spiral. Specifically, raw water enters the water inlet channel from the water inlet hole 11, flows along the gap (third gap) between the filter cover end cover 50 and the diverter 60, and after passing through the filter cover end cover 50, the raw water continues to flow along the gap between the filter cover 40 and the diverter 60, and then spirally enters the interior of the filter cover 40 through the filter cover water inlet of the filter cover 40. After the raw water spirally enters the filter element cover 40, under the action of the flushing guide ribs 44, the raw water forms a spirally rotating water flow to contact the filter element 20. While the raw water flushes the filter element 20, it can also be filtered by the filter element 20. Please refer to the flow direction of the raw water Figure 1A and Figure 1B The white arrows in the figure indicate the

[0042] The raw water rotates and flows on the surface of the filter element 20 and is filtered by the filter element 20 into filtered water and concentrated water. The filtered water enters the water outlet channel from the water outlet 53 of the filter element end cover 50 and flows out from the water outlet hole 12. Please refer to the flow direction of the filtered water. Figure 1A and Figure 1BThe grey arrows indicate.

[0043] The concentrated water enters the flushing channel from the lower end of the filter element 20, flows along the gap between the filter element cover 40 and the filter bottle bottom cover 70, and continues to flow along the gap between the filter element cover 40 and the filter bottle 30 (the gap between the filter element cover 40, the filter bottle bottom cover 70 and the filter bottle 30 is the first gap). Then the concentrated water flows along the gap between the diverter 60 and the filter bottle 30 (the second gap). Finally, the concentrated water enters the machine head 10 and spirally flows out of the flushing hole 13 through the spiral water guide surface 15. Please refer to the flow direction of the concentrated water. Figure 1A and Figure 1B The black arrows in the figure indicate the

[0044] In the above description of specific embodiments related to cycling helmets, it should be obvious that various modifications can be made without departing from the spirit of the invention, and these embodiments can be applied to both the embodiments disclosed in the present specification and the embodiments not disclosed in the present specification. Therefore, the embodiments of the cycling helmet disclosed in the present specification should be considered as illustrative and should not be regarded as limiting embodiments.

Claims

1. A filter device with a spiral flushing function, It is characterized in that include: Machine head, filter bottle body, filter element, filter element cover, flow divider, filter element end cover; The machine head includes a water inlet hole, a water outlet hole and a flushing hole, the water inlet hole is connected to a water inlet channel, the water outlet hole is connected to a water outlet channel, and the flushing hole is connected to a flushing channel; The filter bottle body is connected to the machine head, and the filter element, the filter element cover, the flow divider and the filter element end cover are arranged inside the filter bottle body; The filter cover is arranged outside the filter element, and has a plurality of filter cover water inlets; wherein a first gap is provided between the filter cover and the filter bottle body, and the first gap constitutes a part of the flushing channel; the flow divider is arranged outside the filter cover and covers a part of the upper end of the filter cover; wherein a second gap is provided between the flow divider and the filter bottle body, and the second gap constitutes a part of the flushing channel; The filter element end cover is fixed on the top of the filter element, and the filter element end cover has a water outlet, and the water outlet passes through the diverter and is connected to the water outlet channel; wherein a third gap is provided between the filter element end cover and the diverter, and the third gap constitutes a part of the water inlet channel; The raw water enters the water inlet channel from the water inlet hole, enters the filter cover in a spiral manner through the multiple filter cover water inlets, and then the raw water rotates and flows on the filter surface to be filtered by the filter into filtered water and concentrated water; the filtered water enters the water outlet channel from the water outlet of the filter end cover and flows out from the water outlet hole; the concentrated water enters the flushing channel from the lower end of the filter and flows out from the flushing hole in a spiral manner; The flushing channel has a spiral water guide surface at the connection between the flushing channel and the flushing hole, and the concentrated water enters the flushing channel from the lower end of the filter element and flows out of the flushing hole in a spiral through the spiral water guide surface; The upper part of the outer wall of the filter element cover has a plurality of threaded rotating water inlet guide ribs, and the water inlet guide ribs of the filter element cover are provided with a plurality of filter element cover water inlets; the inner wall of the filter element cover has a plurality of flushing guide ribs which have the same thread rotation direction as the water inlet guide ribs and are connected to the water inlet guide ribs; the lower part of the outer wall of the filter element cover has a plurality of threaded rotating drainage guide ribs, and the thread rotation direction of the drainage guide ribs is opposite to that of the water inlet guide ribs.

2. The filtering device according to claim 1, It is characterized in that The filter bottle main body includes: a filter bottle and a filter bottle bottom cover, one end of the filter bottle is connected to the machine head, and the other end of the filter bottle is connected to the filter bottle bottom cover; the filter bottle includes a bottle mouth and a bottle body, the bottle mouth of the filter bottle has a filter bottle thread, the inner wall of the flushing channel of the machine head has a machine head thread corresponding to the filter bottle thread, and the machine head is connected to the filter bottle by connecting the filter bottle thread with the machine head thread.

3. The filtering device according to claim 1, It is characterized in that A filter cover sealing groove is also provided between the drainage guide rib and the water inlet guide rib, a filter cover sealing ring is provided in the filter cover sealing groove, and the filter cover seals the gap between the filter cover and the diverter.

4. The filtering device according to claim 1, It is characterized in that The outer wall of the flow divider is provided with a plurality of threaded rotating flow guiding ribs, and the flow guiding ribs are matched with the drainage guide ribs.

5. The filtering device according to claim 1, It is characterized in that The diverter is provided with a sealing groove, a diverter sealing ring is provided in the sealing groove, and the diverter sealing ring is used to seal the gap between the diverter and the side wall of the water inlet.

6. The filtering device according to claim 1, It is characterized in that The filter element end cover has a protrusion, and the water outlet is arranged at the middle position of the protrusion of the filter element end cover.

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