Composite filter shell

Abstract

The utility model provides a composite filter shell, and belongs to the technical field of filter shells. Comprising a filter shell body and an inner pipe embedded and fixed in the filter shell body, a water inlet and a water outlet are formed in the two sides of the top end face of the filter shell body respectively, a filter bin is arranged between the inner wall of the filter shell body and the inner pipe, and a sealing top plate is fixed to the top end of the inner pipe; a backflow groove communicated with the filtering bin is formed in the bottom end of the inner pipe, filtering materials are embedded in the inner pipe and the filtering bin, and a connecting pipe inserted into the sealing top plate in a threaded mode is fixed to the bottom end of the water outlet. Impurities in water are preliminarily adsorbed and filtered through the filter material in the filter bin, penetrate through the backflow groove to be secondarily filtered in the inner pipe after being filtered and then are discharged along the connecting pipe and the water outlet, the situation that the accumulated impurities are discharged along with water flow under the impact of the water flow is reduced, and the water flow filtering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter casing technical field, especially in kind of composite filter casing. BACKGROUND

[0002] A kind of composite filter casing is important component of composite filter element, with specific structure and function, a kind of composite filter casing generally includes filter element head, filter element bottle and filter element handle etc.Parts.Water inlet, water outlet, positioning hole and spin card position are equipped on filter element head, for determining the rotation starting point and motion trajectory of composite filter element.Water inlet channel and water outlet channel that are communicated with filter element head water inlet and water outlet are equipped in filter element bottle.

[0003] Patent No.202420206879.4 discloses a water treatment filter device, which comprises an upper shell, an arc-shaped cover plate, an upper shell joint, a lower shell, a lower shell joint, an upper filter cylinder, a lower filter cylinder, a large-mesh filter screen, a small-mesh filter screen, an arc-shaped pressing block and a spring.The upper shell has a semicircular opening on the side, and the arc-shaped cover plate is connected to the outside of the upper shell.The spring is connected to the upper shell, and a group of springs are distributed in the upper shell.The upper filter cylinder is inserted into the upper shell and slides up and down in the upper shell.The lower part of the upper filter cylinder is provided with a small-mesh filter screen, and a group of small-mesh filter screens are distributed in the lower part of the upper filter cylinder.

[0004] The above technical solution uses filter screens to filter water, but the impurities in the water will be adsorbed in the filter screens during the filtering process, and the pressure generated by the continuous impact of the water flow will cause the filtered impurities to penetrate the filter screens and be discharged with the water flow, so the single filter screen will be affected by the impact of the water flow and the accumulation of impurities, resulting in poor filtering effect, therefore, the present application provides a composite filter casing to meet the needs. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a composite filter casing to solve the problem that impurities in the water will be adsorbed in the filter screens during the filtering process, but the pressure generated by the continuous impact of the water flow will cause the filtered impurities to penetrate the filter screens and be discharged with the water flow, so the single filter screen will be affected by the impact of the water flow and the accumulation of impurities, resulting in poor filtering effect.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model relates to a kind of composite filter shell, including filter shell main part and inner tube embedded fixed in filter shell main part, the top end surface of the filter shell main part is respectively provided with water inlet and water outlet, and filter storehouse is arranged between the inner wall of filter shell main part and inner tube, the top end of the inner tube is fixed with sealing top plate, and the bottom end of inner tube is provided with backflow groove being connected with filter storehouse, wherein inner tube and filter storehouse are embedded with filter material, and the bottom end of the water outlet is fixed with the connecting pipe of screw thread inserted in sealing top plate.

[0008] Optionally, the top end of the filter shell main body is fixed with a chip mounting seat, and the bottom end of the filter shell main body is provided with a base.

[0009] Optionally, the bottom wall of the base is provided with an arc-shaped groove, and the inner wall of the arc-shaped groove is fixed with a triangular fastening frame at the center position.

[0010] Optionally, the inner wall of the inner tube is fixed with a first filter material positioning frame on both sides, and the outer wall of the inner tube is fixed with a second filter material positioning frame between the inner tube and the filter shell main body.

[0011] Optionally, the first filter material positioning frame and the second filter material positioning frame are in a mesh structure arranged in a cross shape.

[0012] Optionally, the top end of the sealing top plate is provided with a buffer part, and the bottom end of the sealing top plate is sleeved with a sealing ring tightly connected with the inner tube.

[0013] Optionally, the backflow groove is provided with support plates arranged in a ring array, and the two ends of the plurality of support plates are fixedly connected with the inner tube and the base, respectively.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] In the above-mentioned scheme, the inner tube is embedded in the filter shell main body, the filter storehouse is formed between the filter shell main body and the inner tube, the filter material is added in the filter storehouse and the inner tube to form two filter cavities, the filter material in the filter storehouse preliminarily adsorbs and filters the impurities in the water, and after filtration, the water passes through the backflow groove, is filtered again from the inner tube, and is discharged along the connecting pipe and the water outlet, while the long-stroke filter storehouse and the cavities in the inner tube reduce the situation that the accumulated impurities are impacted by the water flow and discharged with the water flow, thereby improving the water flow filtering effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings incorporated herein and forming part of the specification show embodiments of the utility model, and together with the specification, further serve to explain the principles of the utility model, and enable a person skilled in the relevant art to implement and use the utility model.

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is the cross section structure schematic view of filter shell main body in the utility model;

[0019] Figure 3 It is the cross section structure schematic view of filter shell main body in the utility model; Figure 2 It is the enlarged schematic view of structure A in the utility model;

[0020] Figure 4 It is the enlarged schematic view of structure B in the utility model. Figure 2

[0021] The drawings

[0022] 1, filter shell main body;2, water inlet;3, water outlet;4, chip mounting seat;5, base;6, connecting pipe;7, sealing top plate;8, first filter material positioning frame;9, second filter material positioning frame;10, filter bin;11, inner tube;12, buffer part;13, sealing ring;14, arc-shaped groove;15, backflow groove;16, support plate;17, fastening frame.

[0023] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in this specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environment. DETAILED DESCRIPTION

[0024] The composite filter shell provided by the utility model is described in detail below in combination with the drawings and specific embodiments. It should be noted that, in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement them; and the drawings are only used to describe the embodiments in more detail, and are not intended to specifically limit the utility model.

[0025] It should be noted that in the specification, "one embodiment", "embodiment", "example embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0026] ​Generally, terms can be understood to be contextually defined by their use. For example, the term "one or more," as used herein, can be used in the singular or plural sense depending on the context in which it is used. Additionally, the term "based on" can be understood as not necessarily being confined to a set of exclusive factors, but rather, can allow for existence of additional factors not explicitly described, again depending on the context in which it is used.

[0027] It will be understood that the terms "on," "over," and "above" in the present application should be interpreted in the broadest possible way so that "on" not only means "directly on" but also includes the meaning of "on" with intervening features or layers therebetween, and "over" or "above" not only means "over" or "above" but also can include the meaning of "over" or "above" with no intervening features or layers therebetween.

[0028] In addition, spatially relative terms, such as "under," "below," "lower," "over," "upper," and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can similarly be interpreted accordingly.

[0029] As shown in Figure 1 and Figure 2 The embodiment of the present application provides a composite filter shell, which comprises a filter shell main body 1 and an inner tube 11 embedded and fixed in the filter shell main body 1, water inlets 2 and water outlets 3 are arranged on both sides of the top end face of the filter shell main body 1, and a filter bin 10 is arranged between the inner wall of the filter shell main body 1 and the inner tube 11, a sealing top plate 7 is fixed at the top end of the inner tube 11, and a reflux groove 15 communicating with the filter bin 10 is arranged at the bottom end of the inner tube 11, wherein filter materials are embedded in the inner tube 11 and the filter bin 10, a connecting pipe 6 is fixed in the sealing top plate 7 and screwed at the bottom end of the water outlet 3, and the filter materials include granular filter materials such as quartz sand, anthracite, pebbles, manganese sand, magnetite filter material, fruit shell filter material, and ceramic ball. These filter materials are mainly used for water inlet filtration, and the suspended particles and impurities in water are intercepted through the pores thereof.

[0030] The active carbon filter material: the active carbon has a strong adsorption capacity due to its developed microporous structure, and is commonly used for removing organic matters, free chlorine, peculiar smell and the like in water.

[0031] Special filter material: such as zeolite, maifanite, etc. These filter materials not only filter impurities, but also adsorb specific components in water, such as ammonia, minerals, etc.

[0032] Physical separation medium: including filter cloth, filter screen, filter core, filter paper and membrane, etc. These media separate solid particles and liquid in water by physical means.

[0033] Composite filter material: such as composite filter core, combining the advantages of multiple filter materials, improving water purification effect through multi-layer filter structure.

[0034] The top end of the filter shell body 1 is fixed with a chip mounting seat 4, and the bottom end of the filter shell body 1 is provided with a base 5, the bottom wall of the base 5 is provided with an arc-shaped groove 14, the inner wall center position of the arc-shaped groove 14 is fixed with a triangular structure fastening frame 17, the fastening frame 17 is fixed with the bottom column for fixing the filter shell, the chip mounting seat 4 is embedded with an encryption chip module, the encryption chip module (after the filter shell is installed on the corresponding bottom column, the encryption chip module displays the number of the bottom column and whether the installation is completed.

[0035] As shown in Figure 3 and Figure 4 The inner wall of the inner tube 11 is fixed with a first filter material positioning frame 8 on both sides, and the outer wall of the inner tube 11 is fixed with a second filter material positioning frame 9 between the filter shell body 1 on both sides, the first filter material positioning frame 8 and the second filter material positioning frame 9 are both in a cross-shaped net structure, the top end of the sealing top plate 7 is provided with a buffer part 12, and the bottom end of the sealing top plate 7 is provided with a sealing ring 13 which is tightly connected with the inner tube 11, the buffer part 12 reduces the scouring of water flow to the sealing top plate 7, and prolongs the service life of the sealing top plate 7, the support plates 16 are arranged in a ring array in the backflow groove 15, and the two ends of the plurality of support plates 16 are fixedly connected with the inner tube 11 and the base 5 respectively.

[0036] The technical scheme of the utility model provides the working principle as follows:

[0037] In use, pipe is installed on the water inlet 2 and the water outlet 3 at the top end of the filter shell body 1, and sealing ring 13 is embedded in the water inlet 2 and the water outlet 3, the filter shell body 1 and the inner tube 11 form a filter bin 10, filter material is added in the filter bin 10 and the inner tube 11 to form two filter cavities, the filter material in the filter bin 10 preliminarily adsorbs and filters impurities in water, and after filtration, the water passes through the backflow groove 15, is secondarily filtered from the inner tube 11, and is discharged along the connecting pipe 6 and the water outlet 3, meanwhile, the long-stroke filter bin 10 and the cavities in the inner tube 11 reduce the situation that the accumulated impurities are impacted by water flow and discharged with the water flow, and the filtering effect of water flow is improved.

[0038] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the utility model, a plurality of improvements and refinements can also be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A composite filter housing characterized by, The utility model provides a filter shell main part and the inner tube of embedding fixation in filter shell main part, the both sides of top end surface of filter shell main part are provided with water inlet and water outlet respectively, and is provided with filter bin between the inner wall of filter shell main part and inner tube, the top of inner tube is fixed with sealing top plate, and the bottom of inner tube is provided with the backflow groove of being linked with filter bin, wherein inner tube and filter bin all embed and set up filter material, the bottom of water outlet is fixed with the connecting pipe of screwing in sealing top plate.

2. The composite filter housing of claim 1, wherein, The top of the filter shell main body is fixed with a chip mounting seat, and the bottom of the filter shell main body is provided with a base.

3. The composite filter housing of claim 2, wherein, An arc-shaped groove is formed in the bottom wall of the base, and a triangular fastening frame is fixed to the center of the inner wall of the arc-shaped groove.

4. The composite filter housing of claim 1, wherein, First filter material positioning frames are fixed to the inner wall of the inner tube, and second filter material positioning frames are fixed between the outer wall of the inner tube and the filter shell main body.

5. The composite filter housing of claim 4, wherein, The first filter material positioning frames and the second filter material positioning frames are both in a mesh structure arranged in a cross shape.

6. The composite filter housing of claim 1, wherein, A buffer portion is arranged at the top of the sealing top plate, and a sealing ring is sleeved to the bottom of the sealing top plate and tightly connected with the inner tube.

7. The composite filter housing of claim 2, wherein, Support plates are arranged in a ring array in the backflow groove, and the two ends of the support plates are fixedly connected with the inner tube and the base.

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