KR20240016162A - Filter and water softener including the same - Google Patents

Abstract

The present invention relates to a filter and a water softener including the same. Specifically, according to one embodiment of the present invention, a filter body formed with a filtration space for providing soft water using raw water; and a filter cap formed with a raw water inlet through which raw water flows in, a soft water discharge port through which purified water is discharged, and a cap rib, and configured to be detachably fastened to the filter body, wherein the filter body is connected to the filter body. When the filter cap is engaged with the filter body while the cap is in the fastening position, it does not interfere with the cap rib, and when the position of the filter cap with respect to the filter body is in the interference position, the filter cap is connected to the filter. A filter may be provided in which body ribs are formed to interfere with the cap ribs when engaged with the body.

Description

Filter and water softener including the same {FILTER AND WATER SOFTENER INCLUDING THE SAME}

The present invention relates to a filter and a water softener including the same.

Generally, tap water supplied to homes contains a large amount of chlorine during the purification process, and tap water may also contain hardness components such as calcium ions and magnesium ions. If a user uses tap water containing such hardness ingredients, it is not fatal to the human body, but it can cause various skin diseases such as allergies or accelerate skin aging.

For this reason, the development of water softeners that provide users with tap water from which hardness components have been removed (hereinafter referred to as 'soft water') has been actively underway. This water softener exchanges the calcium and magnesium ions contained in tap water (hereinafter referred to as 'raw water') with sodium ions and can provide users with soft water from which the calcium and magnesium ions have been removed.

Water softeners may include filters, which can filter raw water and change it into soft water. The filter may include a filter body that accommodates the filter material and a filter head that is separably coupled to the filter body and forms an inflow flow path for raw water and an discharge flow path for soft water.

When installing these filters in a water softener or replacing the filter media, the filter body and filter head may need to be separated or connected. The filter body and filter head can be separated from or connected to each other by rotating the filter body or filter head in one direction. In addition, recently developed water softeners tend to be configured so that the filter body and filter head can be simply separated so that users can directly maintain them without an operator's visit.

However, when users separate or attach the filter body and filter head to directly maintain the filter, they frequently rotate the filter body or filter head in the wrong direction, making it impossible to couple the filter body and filter head. , there is a problem in that the filter head's inlet flow path and discharge flow path are located in opposite directions, which reduces the performance of the filter or prevents the filter from performing its function.

In addition, conventional filters did not have a separate means to check whether the filter body and filter head were completely fastened, so they were often used without the filter body and filter head being completely fastened. Because of this, there was also a problem of water leakage occurring in the filter.

In this regard, the present applicant's Korean Patent Publication No. 10-0859375 "Filter device for water softener" (Patent Document 1) discloses a holder part supporting the filter part and a lid part fastened to the top of the holder part.

However, in Patent Document 1, only the fastening of the holder portion and the lid portion was recognized, and the need to prevent reverse fastening of the holder portion and the lid portion and the need to confirm that the holder portion and the lid portion were completely fastened were not recognized. . In other words, in Patent Document 1, there was no disclosure that the lid portion should be configured to be fastened to the holder portion in the correct position and direction, and there was no disclosure about confirming that the holder portion and the lid portion were completely fastened. Therefore, the filter device of Patent Document 1 has a problem in that the performance of the filter device is deteriorated because the holder portion and the lid portion are reversely fastened, and there is a problem in that water leakage occurs in the filter device when the holder portion and the lid portion are used without being completely fastened.

In addition, Korean Registered Utility Model Publication No. 20-0355376 "Water purification filter for hot water washer" (Patent Document 2) by the present applicant discloses a filter housing accommodating a filter cartridge and a filter holder fastened to the filter housing. Patent Document 2 discloses that a fastening portion for fastening to the filter holder is formed in the filter housing and the filter holder is rotated in one direction to the filter housing, thereby fastening the filter housing to the filter holder.

However, even in the water purification filter of Patent Document 2, there was no disclosure about preventing reverse fastening of the filter holder and filter housing, and there was no disclosure about confirming that the filter holder and filter housing were completely fastened. Therefore, the water purification filter of Patent Document 2 has the problem of deteriorating the performance of the filter cartridge due to the reverse fastening of the filter holder and the filter housing, and the problem of water leakage from the filter cartridge when the filter holder and the filter housing are used without being completely fastened. there is.

Korean Registered Patent Publication 10-0859375 (registered on September 12, 2008) Korea Registered Utility Model Publication 20-0355376 (registered on June 28, 2004)

Embodiments of the present invention were invented against the above background, and are intended to provide a filter that can prevent deterioration of filter performance by preventing reverse fastening of the filter cap and the filter body, and a water softener including the same.

In addition, the present invention seeks to provide a filter that can prevent filter leakage by ensuring that the filter cap and the filter body are completely fastened, and a water softener including the same.

According to one aspect of the present invention, a filter body formed with a filtration space for providing soft water using raw water; and a filter cap formed with a raw water inlet through which raw water flows in, a soft water discharge port through which purified water is discharged, and a cap rib, and configured to be detachably fastened to the filter body, wherein the filter body is connected to the filter body. When the filter cap is engaged with the filter body while the cap is in the fastening position, it does not interfere with the cap rib, and when the position of the filter cap with respect to the filter body is in the interference position, the filter cap is connected to the filter. A filter may be provided in which body ribs are formed to interfere with the cap ribs when engaged with the body.

In addition, the filter main body includes a main body part in which the filtering space is formed, and a head part having a protruding shape, the filter cap includes a head coupling part engaged with the head part, and the main body rib and the cap rib , a filter may be provided that allows the head portion to be inserted deeper into the head coupling portion when the filter cap is in the fastening position than when the filter cap is in the interference position.

Additionally, the head portion may be provided with a filter having an inlet hole communicating with the raw water inlet and an outlet hole communicating with the soft water purified water discharge port.

In addition, the cap rib is provided as one or more, and the filter cap has a first circumferential angle with respect to the center of the filter cap when viewed from the bottom, and a rib forming area where one or more cap ribs are disposed at an edge, and the filter cap A filter may be provided that has a second circumferential angle with respect to the center and includes a rib-free area in which one or more of the cap ribs are not disposed, wherein the second circumferential angle is greater than the first circumferential angle.

Additionally, the rib formation area may be provided as a single area, and the rib-free area may be provided with a filter in which both edges are in contact with the edges of the rib formation area.

In addition, a plurality of cap fastening guides are formed on the filter cap, and a plurality of body fastening guides engaging with the cap fastening guides are formed on the filter body, and the cap fastening guide and the main body fastening guide are formed when viewed from the upper and lower directions. A filter may be provided that is arranged with origin symmetry.

Additionally, a filter may be provided in which the plurality of cap fastening guides and the plurality of body fastening guides guide the filter cap to rotate in a spiral direction with respect to the filter body.

In addition, the plurality of cap fastening guides include a first cap fastening guide and a second cap fastening guide, the plurality of body fastening guides include a first body fastening guide and a second body fastening guide, and the filter cap is When in the fastening position, the first cap fastening guide and the first body fastening guide are engaged with each other, and when the second cap fastening guide and the second body fastening guide rotate in the helical direction while engaged with each other, the first cap fastening guide and the first body fastening guide are engaged with each other. When the cap rib and the main body rib do not interfere and the filter cap is at the interference position, the first cap fastening guide and the second body fastening guide are engaged with each other, and the second cap fastening guide and the first body fastening guide are engaged with each other. A filter may be provided in which the cap rib and the main body rib interfere with each other when the guides rotate in the spiral direction while being engaged with each other.

Also, filter; A water softener may be provided, including a shower device that provides soft water changed by the filter to the user.

In embodiments of the present invention, when the filter cap is engaged with the filter body in a state where the filter cap and the filter body are in an interference position, the main body rib is interfered by the cap rib to prevent rotation of the filter cap, thereby preventing the filter cap and the filter body from rotating. It has the effect of preventing fastening.

In addition, reverse fastening of the filter cap and the filter body is prevented, thereby preventing changes in the positions of the raw water inlet and soft water outlet, thereby preventing deterioration of filter performance.

In addition, when the filter cap and the filter body are in an interference position, the head cannot be completely inserted into the head coupling due to the interference between the main body rib and the cap rib, so reverse engagement of the filter cap and the filter body can be prevented in advance. It works.

In addition, there is an effect of securing the rotation radius of the filter cap by forming the rib-free area where the cap rib is not disposed to be wider than the rib formation area where the cap rib is disposed.

In addition, a plurality of cap fastening guides and body fastening guides are provided, and the cap fastening guide and the body fastening guide are configured to engage with each other when the filter cap and the filter body are fastened, so that the filter cap and the filter body can be easily engaged. It works.

In addition, by being configured so that the position where the filter cap and the filter body are completely fastened can be confirmed, there is an effect that the user can check the degree of fastening of the filter cap and the filter body according to the positions of the cap position guide and the main body position guide.

In addition, when the filter cap and filter body are completely fastened, the main body fastening guide is inserted into the fastening guide hole, thereby preventing the filter cap and filter body from being unfastened by themselves without any external force, thereby preventing filter leakage. There is an effect.

1 is a block diagram of a water softener according to an embodiment of the present invention.
Figure 2 is a perspective view of a filter according to an embodiment of the present invention.
Figure 3 is an exploded perspective view of a filter according to an embodiment of the present invention.
Figure 4 is a cross-sectional view of a filter according to an embodiment of the present invention.
Figure 5 is a perspective view of a filter cap of a filter according to an embodiment of the present invention.
Figure 6 is a view showing the filter cap of a filter according to an embodiment of the present invention when viewed from below.
Figure 7 is a view showing the filter body of the filter according to an embodiment of the present invention as seen from the top.
Figure 8 is a diagram showing the main body rib moving when the filter cap of the filter according to one embodiment of the present invention is rotated.

Hereinafter, specific embodiments for implementing the technical idea of the present invention will be described in detail with reference to the drawings.

In addition, when describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

Additionally, when a component is mentioned as being 'connected', 'supported', 'supplied', or 'contacted' with another component, it may be directly connected to, supported, supplied to, or in contact with that other component, but may also be connected to, support, supply, or contact the other component. It should be understood that elements may exist.

The terms used in this specification are merely used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In addition, it should be noted in advance that expressions such as upper, lower, and side in this specification are explained based on the drawings, and may be expressed differently if the direction of the object in question changes. For the same reason, in the accompanying drawings, some components are exaggerated, omitted, or schematically shown, and the size of each component does not entirely reflect the actual size.

Additionally, terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by these terms. These terms are used only to distinguish one component from another.

As used in the specification, the meaning of "comprising" is to specify a specific characteristic, area, integer, step, operation, element and/or component, and to specify another specific property, area, integer, step, operation, element, component and/or group. It does not exclude the existence or addition of .

Hereinafter, the specific configuration of the filter 10 and the water softener 1 including the same according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 1, the water softener 1 according to an embodiment of the present invention can receive raw water from the outside and provide clean water to the user. For example, the water softener 1 can filter raw water and provide purified or soft water to the user. In this specification, purified water refers to water that has passed through a water purification filter, which will be described later, but has not passed through a soft water tank, which will be described later. Additionally, soft water refers to water that has passed through both the water purification filter and the softened water tank. The water softener 1 may include a filter 10 and a shower device 20.

Referring to Figures 2 to 5, the filter 10 according to an embodiment of the present invention can provide purified or soft water using raw water. This filter 10 may include, for example, a ceramic filter to remove rust contained in raw water or an ion exchange resin to provide soft water by exchanging ions with raw water. However, this is only an example, and the filter 10 may include well-known filters such as a pre-filter, activated carbon filter, micro-filter, and ion resin filter. This filter 10 may include a filter cap 100 and a filter body 200.

The filter cap 100 may be configured to be detachably fastened to the filter body 200. This filter cap 100 includes a raw water inlet 110, a soft water outlet 120, a head coupling part 130, a cap rib 140, a cap position guide 150, a cap fastening guide 160, and a fastening guide hole ( 170) may be included.

The raw water inlet 110 may be formed on one side of the filter cap 100 to penetrate the filter cap 100. This raw water inlet 110 may be formed to communicate with the raw water inlet flow path formed inside the filter cap 100. The raw water inflow passage may be formed to communicate with the raw water inlet 110 and the center of the filter cap 100. Raw water can be supplied from the outside of the filter cap 100 to the center of the filter cap 100 through this raw water inlet 110 and the raw water inflow passage. The raw water inflow passage may communicate with the inlet hole 211, which will be described later.

The soft water outlet 120 may be formed on the other side of the filter cap 100 to penetrate the filter cap 100. This soft water discharge port 120 may be formed to communicate with the soft water discharge passage formed inside the filter cap 100. The soft water discharge passage may be formed to communicate with the center of the soft water discharge port 120 and the filter cap 100. This soft water discharge passage may be separated from the raw water inflow passage by a partition formed at the center of the filter cap 100. Soft water may be discharged to the outside of the filter cap 100 through the soft water discharge passage and the soft water discharge port 120. The soft water discharge path may communicate with the discharge hole 212, which will be described later.

The head coupling portion 130 may be formed at the center of the filter cap 100. This head coupling portion 130 can provide a space for the head portion 210, which will be described later, to engage with the filter cap 100. The head coupling portion 130 may be formed to open downward of the filter cap 100. A raw water inflow passage may be formed in the center of the upper surface of the head coupling portion 130, and the upper surface of the head coupling portion 130 excluding the raw water inflow passage may be composed of a single plane.

Referring to FIG. 6, the head coupling portion 130 may include a rib forming area where the cap rib 140 is disposed and a rib-free area where the cap rib 140 is not disposed. These rib forming areas and rib-free areas may be provided on the upper side of the head coupling portion 130.

The rib forming area of the head coupling portion 130 may be formed to have a first circumferential angle A with respect to the center of the filter cap 100 when the filter cap 100 is viewed from below. This rib forming area may be provided as a single area. The leave-free area may be formed to have a second circumferential angle B with respect to the center of the filter cap 100. This second circumferential angle (B) may be formed to be larger than the first circumferential angle (A). In other words, the rib-free area can be formed wider than the rib formation area. Additionally, both edges of the rib-free area may be in contact with the edges of the rib formation area. In other words, the rib formation area and the rib-free area may be formed consecutively along the circumferential direction in a single area.

The cap rib 140 may be formed in the rib formation area of the head coupling portion 130. This cap rib 140 may protrude downward from the upper surface of the head coupling portion 130. The cap rib 140 may be disposed on a single plane on the upper surface of the head coupling portion 130 excluding the raw water inflow channel. A plurality of cap ribs 140 may be provided and arranged to be spaced apart from each other.

The cap position guide 150 may protrude outward from the side of the filter cap 100. In other words, the cap position guide 150 may protrude outward from the outer peripheral side of the filter cap 100 so as to be located in the middle of the raw water inlet 110 and the soft water discharge port 120. This cap position guide 150 can guide the stagnant position of the filter cap 100.

The cap fastening guide 160 is disposed inside the filter cap 100 to be located below the head coupling portion 130 and can engage with the body fastening guide 240, which will be described later. This cap fastening guide 160 may be a groove recessed from the inner peripheral surface of the filter cap 100 toward the outside of the filter cap 100. In other words, the cap fastening guide 160 can provide an engagement space in which the main body fastening guide 240 can be inserted and engaged with the main body fastening guide 240. This cap fastening guide 160 may be formed to be inclined from the bottom to the top of the filter cap 100. In other words, the cap fastening guide 160 may be formed to extend in a spiral direction along the inner side of the filter cap 100. The cap fastening guide 160 may provide a movement line along which the main body fastening guide 240 moves when the filter cap 100 rotates to fasten to the filter body 200.

A plurality of such cap fastening guides 160 may be provided and arranged symmetrically with respect to the center of the filter cap 100. For example, the cap fastening guide 160 may include a first cap fastening guide and a second cap fastening guide, and the first cap fastening guide and the second cap fastening guide are viewed from the bottom of the filter cap 100. , It can be arranged to be symmetrical with respect to the center of the filter cap 100.

The fastening guide hole 170 may be formed to penetrate the side of the filter cap 100 in the horizontal direction. This fastening guide hole 170 may be arranged to communicate with the upper end of the cap fastening guide 160. The fastening guide hole 170 may be formed in a shape corresponding to the main body fastening guide 240, and when the filter cap 100 and the filter body 200 are completely fastened, the main body fastening guide is inserted into the fastening guide hole 170. (240) can be inserted.

A plurality of such fastening guide holes 170 may be provided and arranged symmetrically with respect to the center of the filter cap 100. For example, the fastening guide hole 170 may include a first fastening guide hole and a second fastening guide hole, and the first fastening guide hole and the second fastening guide hole are viewed from the bottom of the filter cap 100. , It can be arranged to be symmetrical with respect to the center of the filter cap 100.

The filter body 200 can form a filtration space in which soft water is provided by filtering raw water, and can be detachably fastened to the filter cap 100. This filter main body 200 may include a head part 210, a main body part 220, a main body rib 230, and a main body fastening guide 240.

The main body portion 220 may have a filtration space formed therein, and a filter medium (not shown) may be accommodated in this filtration space. This filter medium may be an ion exchange resin that can adsorb hardness components contained in raw water by ion-exchanging with positive ions such as calcium ions (Ca ²⁺ ) or magnesium ions (Mg ²⁺ ) contained in raw water. Additionally, the filter material may include a pre-filter material, an activated carbon filter material, etc. to remove rust contained in raw water. Raw water is supplied to the filtration space of the main body 220, and the raw water supplied to the filtration space can be filtered by a filter medium and changed into soft water. This main body portion 220 may include a main body position guide 221.

The main body position guide 221 may protrude outward from the side of the main body 220. This body position guide 221 may be formed to face the cap position guide 150 when the filter cap 100 and the filter body 200 are completely fastened. Therefore, the user can determine whether the filter cap 100 and the filter body 200 are completely fastened by checking whether the cap position guide 150 faces the main body position guide 221. Additionally, an initial position guide 221a may be further formed in the main body 220.

The initial position guide 221a can guide the initial position of the filter cap 100 when the filter cap 100 and the filter body 200 are fastened. For example, when the filter cap 100 and the filter body 200 are fastened, the user places the filter cap 100 on the filter body 200 so that the cap position guide 150 and the initial position guide 221a face each other. By placing it on the upper part of the filter body 200 and the filter cap 100 can be engaged.

The head portion 210 may protrude upward from the main body portion 220, and the center of the upper surface of the head portion 210 may protrude further upward. This head portion 210 may include an inlet hole 211 and an outlet hole 212.

Referring to FIG. 7, the inlet hole 211 may communicate with the outside of the filter main body 220 and the filtration space of the main body 220. This inlet hole 211 may be formed to penetrate the center of the head portion 210 in the vertical direction. The inlet hole 211 may communicate with the raw water inflow passage when the head portion 210 is engaged with the head coupling portion 130. In other words, the inlet hole 211 is connected to the raw water inflow passage and can allow raw water supplied through the raw water inflow passage to flow into the filtration space of the main body 220.

The discharge hole 212 may communicate with the outside of the filter main body 220 and the internal filtration space of the main body 220. A plurality of such discharge holes 212 may be provided and formed to penetrate the edge of the upper surface of the head portion 210. The discharge hole 212 may communicate with the soft water discharge passage when the head portion 210 is engaged with the head coupling portion 130. In other words, the discharge hole 212 is connected to the soft water discharge passage so that the soft water in the filtration space of the main body 220 can be discharged to the discharge hole 212 via the soft water discharge passage.

Referring to FIG. 8, the main body rib 230 may protrude upward from the upper surface of the head portion 210. When the position of the filter cap 100 with respect to the filter main body 200 is the fastening position, the main body rib 230 may be disposed in the rib-free area of the head coupling portion 130. In other words, when the head portion 210 is engaged with the head coupling portion 140 in the forward direction to fasten the filter cap 100 and the filter body 200, the body rib 230 is connected to the head coupling portion 130. It is placed in the rib-free area and may not interfere with the cap rib 140. Accordingly, the head portion 210 can be inserted into the head coupling portion 130 without interference with the cap rib 140.

Additionally, the main body rib 230 may be disposed in the rib forming area of the head coupling portion 130 when the position of the filter cap 100 with respect to the filter main body 200 is an interference position. In other words, when the head portion 210 is engaged with the head coupling portion 140 in the reverse direction, the body rib 230 is disposed in the rib forming area of the head coupling portion 130 and may interfere with the cap rib 140. there is. Accordingly, the head portion 210 may not be completely inserted into the head coupling portion 130 due to interference of the cap rib 140. Since the head portion 210 cannot be completely inserted into the head coupling portion 130, reverse rotation of the filter cap 100 is prevented, thereby preventing reverse fastening of the filter cap 100.

The body fastening guide 240 may protrude outward from the side of the head portion 210. This body fastening guide 240 may engage with the cap fastening guide 160 when the head portion 210 is engaged with the head coupling portion 130. The main body fastening guide 240 may be arranged so that the origin is symmetrical with the cap fastening guide 160 when the filter 10 is viewed from the top and bottom. A plurality of such body fastening guides 240 may be provided and arranged symmetrically with respect to the filter body 200. For example, the body fastening guide 240 may include a first body fastening guide and a second body fastening guide, and when viewed from the upper side of the first body fastening guide and the second body fastening guide filter body 200, It may be arranged to be symmetrical with respect to the center of the head portion 210.

When the head portion 210 is engaged with the head coupling portion 130 in the forward direction, the first body fastening guide may be engaged with the first cap fastening guide, and the second body fastening guide may be engaged with the second cap fastening guide. . When the filter cap 100 rotates in the forward direction with respect to the filter body 200, the first body fastening guide can be moved in a spiral direction along the first cap fastening guide, and the second body fastening guide is the second cap fastening guide. It can be moved in a spiral direction along . When the filter cap 100 is completely rotated in the forward direction relative to the filter body 200 and the filter cap 100 and the filter body 200 are completely fastened, the first body fastening guide is inserted into the first fastening guide hole, The second body fastening guide may be inserted into the second fastening guide hole.

When the head portion 210 is engaged with the head coupling portion 130 in the reverse direction, the first body fastening guide may engage with the second cap fastening guide, and the second body fastening guide may engage with the first cap fastening guide. When the head portion 210 and the head coupling portion 130 are engaged in the reverse direction, the head portion 210 cannot be completely inserted into the head coupling portion 130, so reverse rotation of the filter cap 100 can be prevented. . When the head portion 210 is engaged with the head coupling portion 130 in the reverse direction, even if the head portion 210 is completely inserted into the head coupling portion 130 by the user's force, the cap rib 140 and the body rib 230 ) Reverse rotation of the filter cap 100 may be prevented due to interference.

The shower device 20 includes a flow channel (not shown) that provides a passage for raw water or soft water to flow, and one or more valve modules (not shown) that open and close the flow channel to allow or restrict the flow of raw water or soft water in the flow channel. ) and a shower connected to the flow channel to provide soft water to the user. This shower device 20 may be configured so that the filter 10 can be removably connected to the flow channel. In other words, the water communicating through the flow channel of the shower device 20 is changed into soft water by the filter 10, thereby providing soft water to the user.

Hereinafter, the operation and effects of the filter 10 and the water softener 1 including the same according to an embodiment of the present invention will be described.

When the filter cap 100 is engaged with the filter main body 200 in a state where the filter cap 100 and the filter main body 200 are in an interference position, the main body rib 230 is interfered with by the cap rib 140 and the filter cap By preventing rotation of (100), there is an effect of preventing reverse fastening of the filter cap (100) and the filter body (200).

In addition, by preventing reverse fastening of the filter cap 100 and the filter body 200, the positions of the raw water inlet 110 and the soft water discharge port 120 are prevented from changing, thereby preventing deterioration in the performance of the filter 10. It works.

In addition, when the filter cap 100 and the filter main body 200 are in an interference position, the head part 210 is not completely inserted into the head coupling part 130 due to interference between the main body rib 230 and the cap rib 140. Therefore, there is an effect of preventing reverse engagement of the filter cap 100 and the filter main body 200 in advance.

In addition, there is an effect of securing the rotation radius of the filter cap 100 by forming the rib free area where the cap rib 140 is not disposed to be wider than the rib formation area where the cap rib 140 is disposed.

In addition, a plurality of cap fastening guides 160 and body fastening guides 240 are provided, and when the filter cap 100 and the filter body 200 are fastened, the cap fastening guide 160 and the body fastening guide 240 are provided. By being configured to engage with each other, there is an effect that the filter cap 100 and the filter body 200 can be easily engaged.

In addition, the position where the filter cap 100 and the filter main body 200 are completely fastened can be confirmed, so that the user can adjust the filter cap 100 according to the positions of the cap position guide 150 and the main body position guide 221. There is an effect of checking the degree of fastening of the filter body 200.

In addition, when the filter cap 100 and the filter body 200 are completely fastened, the body fastening guide 240 is configured to be inserted into the fastening guide hole 170, so that the filter cap 100 and the filter body 200 are separated. There is an effect of preventing water leakage of the filter 10 by preventing self-disconnection without external force.

Although embodiments of the present invention have been described above as specific embodiments, this is merely an example, and the present invention is not limited thereto, and should be construed as having the widest scope following the technical idea disclosed in this specification. A person skilled in the art may implement a pattern of a shape not specified by combining/substituting the disclosed embodiments, but this also does not depart from the scope of the present invention. In addition, a person skilled in the art can easily change or modify the embodiments disclosed based on the present specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

1: Water softener 10: Filter
20: shower device 100: filter cap
110: raw water inlet 120: soft water outlet
130: head coupling portion 140: cap rib
150: Cap position guide 160: Cap fastening guide
170: Fastening guide hole 200: Filter body
210: head part 211: inlet hole
212: discharge hole 220: main body
221: Body position guide 230: Body rib
240: Body fastening guide

Claims (9)

A filter body formed with a filtration space for providing soft water using raw water; and
It includes a filter cap formed with a raw water inlet through which raw water flows in, a soft water discharge port through which purified water is discharged, and a cap rib, and configured to be detachably fastened to the filter main body;
In the filter body,
When the filter cap is engaged with the filter body in a state in which the position of the filter cap with respect to the filter body is in the fastening position, it does not interfere with the cap rib, and the position of the filter cap with respect to the filter body is in the interference position. When the filter cap is engaged with the filter body, a body rib is formed to interfere with the cap rib,
filter. According to claim 1,
The filter main body includes a main body portion in which the filtering space is formed, and a head portion having a protruding shape,
The filter cap includes a head coupling portion engaged with the head portion,
The main body rib and the cap rib,
Allowing the head portion to be inserted deeper into the head coupling portion when the filter cap is in the fastening position than when the filter cap is in the interference position,
filter. According to claim 2,
In the head part,
An inlet hole communicating with the raw water inlet and an outlet hole communicating with the soft water purified water outlet are formed,
filter. According to claim 1,
The cap rib is provided in one or more pieces,
The filter cap has a first circumferential angle with respect to the center of the filter cap when viewed from the bottom, a rib forming area where one or more of the cap ribs are disposed at an edge, and a second circumferential angle with respect to the center of the filter cap and one or more of the Includes a rib-free area where the cap rib is not placed,
The second circumferential angle is larger than the first circumferential angle,
filter. According to claim 4,
The rib forming area is provided as a single area,
The rib-free area has both edges in contact with the edges of the rib formation area,
filter. According to claim 3,
A plurality of cap fastening guides are formed on the filter cap,
A plurality of body fastening guides that engage with the cap fastening guide are formed in the filter body,
The cap fastening guide and the main body fastening guide are arranged symmetrically to the origin when viewed from the top and bottom,
filter. According to claim 6,
The plurality of cap fastening guides and the plurality of body fastening guides guide the filter cap to rotate in a spiral direction with respect to the filter body.
filter. According to claim 7,
The plurality of cap fastening guides include a first cap fastening guide and a second cap fastening guide,
The plurality of body fastening guides include a first body fastening guide and a second body fastening guide,
When the filter cap is in the fastening position, the first cap fastening guide and the first body fastening guide are engaged with each other, and the second cap fastening guide and the second body fastening guide are engaged with each other in the spiral direction. When rotating, the cap rib and the main body rib do not interfere,
When the filter cap is at the interference position, the first cap fastening guide and the second body fastening guide are engaged with each other, and the second cap fastening guide and the first body fastening guide are engaged with each other in the helical direction. When rotating, the cap rib and the body rib interfere with each other,
filter. The filter of any one of claims 1 to 8; and
Comprising a shower device that provides soft water changed by the filter to the user,
Water softener.

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