Filter element slow-release structure capable of removing residual chlorine

Abstract

The utility model discloses a filter element slow release structure capable of removing residual chlorine, which comprises a filter bottle, a connecting pipe is arranged in the filter bottle, a central pipe is sleeved in the connecting pipe, a water inlet of the filter bottle is communicated with the central pipe, a first flow channel is formed between the outer circumference of the central pipe and the inner circumference of the connecting pipe, and a second flow channel is formed between the outer circumference of the central pipe and the inner circumference of the connecting pipe. A cavity used for containing a slow-release filter material is formed between the outer periphery of the connecting pipe and the inner periphery of the filter bottle, slow-release holes are formed in the side wall of the connecting pipe and can communicate with the cavity and the first flow channel, the first flow channel can further communicate with a water outlet of the filter bottle, and the filter element structure can stably improve the VC residual chlorine removal rate effect and slow down the loss rate of the filter material.

Description

Technical Field

[0001] The utility model relates to a filter element slow-release structure capable of removing residual chlorine. Background Art

[0002] The VC filter element on the market has a poor effect in removing residual chlorine, with a removal rate of only about 20%, and it is mainly used for fragrance function. In addition, the existing structure will cause the filter material for slow release to be consumed too quickly, resulting in a short service life of the overall filter element. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a filter element slow-release structure capable of removing residual chlorine.

[0004] The utility model is realized by the following technical solutions:

[0005] A filter element slow-release structure capable of removing residual chlorine comprises a filter bottle, a connecting pipe is arranged in the filter bottle, a center pipe is arranged inside the connecting pipe, a water inlet of the filter bottle is connected with the center pipe, a first flow channel is formed between the outer periphery of the center pipe and the inner periphery of the connecting pipe, a cavity for placing slow-release filter material is formed between the outer periphery of the connecting pipe and the inner periphery of the filter bottle, a slow-release hole is arranged on the side wall of the connecting pipe, the slow-release hole can connect the cavity and the first flow channel, and the first flow channel can also be connected with the water outlet of the filter bottle.

[0006] In the embodiment of the utility model, the water flow velocity in the first flow channel is greater than the water flow velocity in the slow-release hole, so that a pressure difference is formed inside and outside the cavity.

[0007] In the embodiment of the utility model, a sealing plate is arranged at one end of the connecting pipe, the water outlet end of the central pipe is close to the sealing plate, and the slow-release hole is arranged in the middle of the axial direction of the connecting pipe.

[0008] In the embodiment of the utility model, a connecting ring is further arranged in the filter bottle, and the connecting ring can be sleeved on the outer periphery of one end of the opening of the connecting tube.

[0009] In the embodiment of the utility model, a slot is arranged on the side wall of the connecting ring, and a connecting block which can cooperate with the slot is arranged on the outer periphery of the connecting pipe.

[0010] In the embodiment of the utility model, a sealing ring is arranged between the inner peripheral wall of the connecting ring and the outer peripheral wall of the connecting pipe.

[0011] In the embodiment of the utility model, an annular groove is arranged on the outer periphery of the connecting pipe between the connecting block and the opening of the connecting pipe, and the sealing ring is arranged in the annular groove.

[0012] The utility model discloses a filter element slow-release structure capable of removing residual chlorine, which has the following beneficial effects: simple structure, capable of stably improving the VC residual chlorine removal rate effect; and at the same time, slowing down the filter material loss rate, thereby increasing the service life of the entire filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the utility model.

[0015] Figure 2 yes Figure 1 A magnified schematic diagram of center A.

[0016] Figure 3 yes Figure 1 A magnified schematic diagram of point B in the middle. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] Referring to the drawings of the specification, a filter element slow-release structure capable of removing residual chlorine includes a filter bottle 10. In one embodiment, the filter element can be placed flat, a connecting tube 20 is provided in the filter bottle, a center tube 30 is provided in the inner sleeve of the connecting tube, the connecting tube and the center tube form a structure similar to a tube in a tube, the water inlet 12 of the filter bottle is connected to the center tube, a first flow channel 21 is formed between the outer periphery of the center tube and the inner periphery of the connecting tube, a cavity 11 for placing a slow-release filter material 30 is formed between the outer periphery of the connecting tube and the inner periphery of the filter bottle, a slow-release hole 22 is provided on the side wall of the connecting tube, the axis of the slow-release hole can be perpendicular to the axis of the center tube, that is, if the filter element is placed flat, the slow-release hole is downward, the slow-release hole can connect the cavity and the first flow channel, and the first flow channel can also be connected to the water outlet 13 of the filter bottle.

[0023] Preferably, the water flow velocity in the first flow channel is greater than the water flow velocity in the sustained-release hole, so that a pressure difference is formed inside and outside the cavity.

[0024] Furthermore, a sealing plate 23 is provided at one end of the connecting tube, the water outlet end of the central tube is close to the sealing plate, and the slow-release hole is provided in the middle of the axial direction of the connecting tube. The water flows from one end of the central tube flow channel connecting the tube, then turns back and flows to the other end of the connecting tube, and finally can flow out from the water outlet of the filter bottle.

[0025] Furthermore, a connecting ring 14 is also provided in the filter bottle, and the connecting ring can be sleeved on the outer periphery of one end of the connecting pipe opening. A slot 15 is provided on the side wall of the connecting ring, and a connecting block 24 that can cooperate with the slot is provided on the outer periphery of the connecting pipe, so as to achieve the positioning of the installation. A sealing ring 40 is provided between the inner peripheral wall of the connecting ring and the outer peripheral wall of the connecting pipe. An annular groove 25 is provided on the outer periphery of the connecting pipe between the connecting block and the opening of the connecting pipe, and the sealing ring is provided in the annular groove.

[0026] Specifically, the utility model is as follows: a small hole, namely, a slow-release hole, is opened on the side wall of the slow-release cavity, and water flows in from the central tube. When passing through the slow-release hole, the raw water enters the cavity with slow-release filter material from the slow-release hole, and the slow-release filter material is continuously and slowly released through the slow-release hole, thereby reducing the consumption of the slow-release filter material and solving the problem of poor residual chlorine removal effect. It mainly includes a slow-release filter material, a central tube, and a chamber placed in a filter bottle; the filter bottle is equipped with a central tube and a chamber in the middle, and the first flow channel of the waterway is formed between the two; the slow-release hole on the cavity; the raw water flows from the central tube and the first channel, and when the water flows through the slow-release hole, part of the raw water flows into the cavity through the slow-release hole; in the cavity, the raw water and the slow-release filter material contact and dissolve to form high-concentration filter material water; the water flow in the first channel and the slow-release hole has a flow rate difference, and the high-concentration filter material water in the cavity is released from the slow-release hole to the first flow channel, and the high-concentration filter material water and the raw water are mixed in the first flow channel to remove the residual chlorine in the raw water.

[0027] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A filter element slow-release structure capable of removing residual chlorine, comprising a filter bottle, characterized in that: A connecting tube is provided in the filter bottle, a center tube is provided inside the connecting tube, the water inlet of the filter bottle is connected with the center tube, a first flow channel is formed between the outer periphery of the center tube and the inner periphery of the connecting tube, a cavity for placing slow-release filter material is formed between the outer periphery of the connecting tube and the inner periphery of the filter bottle, a slow-release hole is provided on the side wall of the connecting tube, the slow-release hole can connect the cavity and the first flow channel, and the first flow channel can also be connected with the water outlet of the filter bottle.

2. A filter element slow-release structure capable of removing residual chlorine according to claim 1, characterized in that: The water flow velocity in the first flow channel is greater than the water flow velocity in the slow-release hole, so that a pressure difference is formed inside and outside the cavity.

3. A filter element slow-release structure capable of removing residual chlorine according to any one of claims 1 or 2, characterized in that: A sealing plate is arranged at one end of the connecting pipe, the water outlet end of the central pipe is close to the sealing plate, and the slow-release hole is arranged in the middle of the connecting pipe in the axial direction.

4. A filter element slow-release structure capable of removing residual chlorine according to claim 3, characterized in that: A connecting ring is also arranged in the filter bottle, and the connecting ring can be sleeved on the outer periphery of one end of the opening of the connecting tube.

5. A filter element slow-release structure capable of removing residual chlorine according to claim 4, characterized in that: A slot is arranged on the side wall of the connecting ring, and a connecting block which can match with the slot is arranged on the outer periphery of the connecting pipe.

6. A filter element slow-release structure capable of removing residual chlorine according to claim 5, characterized in that: A sealing ring is arranged between the inner peripheral wall of the connecting ring and the outer peripheral wall of the connecting pipe.

7. A filter element slow-release structure capable of removing residual chlorine according to claim 6, characterized in that: An annular groove is arranged on the outer periphery of the connecting pipe between the connecting block and the opening of the connecting pipe, and the sealing ring is arranged in the annular groove.

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