KR102638464B1 - Faucet head for sink with improved filter replacement structure - Google Patents

Abstract

The present invention relates to a faucet head for a sink with an improved filter replacement structure. More specifically, the spray body of the faucet head installed on a faucet for a sink is configured to be openable and closed based on a hinge portion to improve the convenience of replacing the filter member. , It was invented to prevent damage to the spray body when assembling the screws of the faucet head.
According to the configuration of the present invention, the faucet head installed on the faucet of the sink faucet is configured so that the spray body and the filter housing can be rotatably assembled with respect to the hinge portion and can be opened and closed with a locking latch, and the filter member assembled on the filter housing is configured to be rotatable. It can be easily replaced to improve the convenience of work.
In addition, during the process of fastening the filter housing of the faucet head and the spray body to the discharge port of the sink faucet by assembling the irregularities with anti-rotation protrusions, the rotation of the spray body and the filter housing is prevented, thereby preventing damage to the hinge portion and locking latch and water leakage. can do.
In addition, the filter member of the faucet head installed in the sink outlet can be easily replaced, so chlorine and impurities in tap water can be removed and purified more efficiently, and the spray type of tap water can be easily switched through the changeover knob on the spray body. There are also effects that can improve marketability.

Description

Faucet head for sink with improved filter replacement structure}

The present invention relates to a faucet head for a sink with an improved filter replacement structure. More specifically, the spray body of the faucet head installed on a faucet for a sink is configured to be openable and closed based on a hinge portion to improve the convenience of replacing the filter member. , It was invented to prevent damage to the spray body when assembling the screws of the faucet head.

In general, a faucet is connected directly to a water pipe in a sink or shower booth, etc., or is connected to a hose, etc., and is composed of a structure in which tap water is sprayed through the faucet by moving the flow path inside the faucet by intermittently controlling the operation lever.

Here, in the tap water, the chlorine component used in the process of disinfecting water in a water treatment facility is not easily removed and remains dissolved in the water, resulting in a characteristic chlorine odor occurring in the tap water.

Recently, as a measure to solve the problem of aggravating skin diseases of users due to chlorine contained in tap water and residues such as rust due to corrosion inside tap water pipes, it has been assembled on the faucet of a sink faucet. The configuration of the faucet head is that a filter housing is fastened to the upper side of the spray body, and the filter member provided inside the filter housing removes and filters foreign substances, chlorine components, and residues contained in the supplied tap water and discharges them through the spray body. Configured to be sprayed.

However, the filter member provided in the filter housing of the faucet head is contaminated, so in order to replace it, the entire faucet head must be rotated counterclockwise to separate it from the faucet, and then the spray body and filter housing must be separated to replace the filter member. In addition, there were inconvenient problems such as having to re-seal the joints between the faucet and the filter housing and the lower body and the filter housing.

In addition, the filter housing and the lower body connected to the faucet are configured to be separated by rotating in opposite directions. In order to replace the filter, only the lower body was separately separated and replaced. However, if it is rotated excessively during the fastening process, the sealing work part is damaged. There was a problem of damage and water leakage.

Therefore, the process of replacing the filter member of the faucet head is cumbersome and the risk of water leakage is significant, and replacement of the filter member is inconvenient. As the filter member is used for a long period of time, the filter member is contaminated, causing chlorine, residues, and rust in the tap water. There were difficulties in removing and filtering.

Republic of Korea Patent Publication No. 10-2022-0032201. Sink head with improved filter replacement structure (release date March 15, 2022)

In order to solve the problems of the prior art as described above, the present invention is configured to rotatably assemble the spray body and the filter housing based on the hinge portion and to open and close the locking latch, so assembling and replacing the filter member. The purpose is to make it easy to perform.

Another object of the present invention is to prevent product damage and water leakage by preventing rotation of the spray body and filter housing during the process of fastening and assembling the faucet head to the outlet of the sink faucet.

Another purpose of the present invention is to enable the filter member of the faucet head to be easily replaced, thereby improving the removal and purification efficiency of chlorine and impurities in tap water, allowing consumers to use clean water.

According to the present invention to solve such technical problems,

A filter housing 40 including a filter member 30 is assembled on the upper side of the spray body 20, and the filter housing 40 is assembled to the outlet 5 of the sink faucet, so that the tap water is filtered and the spray body 20 ) In the sink faucet head 100 that sprays through the discharge port,

The faucet head 100,

A hinge portion 50 is provided on one side of the filter housing 40 and the spray body 20 facing each other, so that the filter housing 40 and the spray body 20 are connected to each other based on the hinge portion 50. It is configured to be rotatable,

On the other side of the filter housing 40 and the spray body 20 that face each other, the housing lock 66 provided in the locking support 65 is provided with a binding lock 61 protruding from the outer diameter surface of the filter housing 40. ) is achieved by being configured to control the locking of the filter housing 40 and the spray body 20.

In addition, the hinge portion 50 is provided with a housing connector 51 having a pin assembly hole on one side of the filter housing 40, and a body connector 52 having a pin assembly hole on one side of the spray body 20. ) is provided to protrude, and the rotation axis 55 is inserted into the pin assembly hole of the housing connector 51 and the body connector 52, so that the filter housing 40 and the spray body 20 are centered around the rotation axis 55. It can be configured to be rotatable.

In addition, a binding ring 67 having a “ㄷ” shape is rotatably assembled to the locking support member 65 of the spray body 20, and a binding ring 67 having a “ㄷ” shape is rotatably assembled around the binding locking hole 61 of the filter housing 40. A hook holder 62 in the shape of " is further formed, so that the binding ring 67 rotates and is caught by the hook holder 62 so that the filter housing 40 and the spray body 20 are double locked and fixed. It can be configured.

And the injection body 20 is provided with a housing support surface 26 on which a sealing member 70 is assembled around the filter mounting part 21 with an open top, and the housing is provided on the inside of the housing support surface 26. The insertion ledge 27 is formed in a stepped manner, and the filter housing 40 has a filter receiving portion 41 with an open lower portion, and the upper assembly 42 is screwed to the outlet 5 of a sink faucet. And, while rotating based on the hinge portion 50, the outer diameter surface of the housing insertion jaw 27 is inserted into the inner wall of the filter receiving portion 41 and can be configured to be seated and assembled on the housing support surface 26.

In addition, at least one anti-rotation protrusion 28 is protruding from the housing insertion jaw 27 of the spray body 20, and the anti-rotation protrusion 28 is formed on the filter receiving portion 41 of the filter housing 40. ) is formed on the inner wall at least one anti-rotation fitting groove 48 corresponding to the anti-rotation protrusion 28 while the filter housing 40 and the spray body 20 are closed and rotated with respect to the hinge portion 50. ) and the anti-rotation fitting groove (48) can be configured to be unevenly assembled.

In addition, the anti-rotation protrusion 28 of the spray body 20 is formed with a curved guide guide surface 28a on one upper side, and the anti-rotation fitting groove 48 of the filter housing 40 is formed on the other lower side. A curved insertion guide surface 48a is formed so that the anti-rotation protrusion 28 and the anti-rotation fitting groove 48, which rotate based on the hinge portion 50, can rotate without interfering with each other.

And on the housing support surface 26 of the injection body 20, a sealing fitting groove 29 is formed in a ring shape and the sealing member 70 is inserted and assembled; The sealing member 70 is formed to have at least one row of concave-shaped sealing insertions 72 on the upper surface in the direction of the filter housing, and is coupled to the filter housing 40 facing the sealing member 70. A convex-shaped supporting protrusion 43a corresponding to the sealing insertion part 72 is formed on the surface 43, so that the sealing insertion part 72 and the supporting protrusion 43a are airtight with each other. ) It can be configured to be assembled.

In addition, a sealing fitting groove 29 is formed in a ring shape on the housing support surface 26 of the spraying body 20, and the sealing member 70 is inserted and assembled; The sealing fitting groove 29 causes sealing fixing protrusions 29c to protrude at intervals on both sides of the sealing fastening protrusion 29b so as to have a “mountain” shape on the bottom surface, and the sealing member 70 has a bottom surface. It is molded to have an "m" shape with protrusion insertion grooves (74b) formed on both sides of the sealing fastening groove (74a) so that the sealing fastening protrusion (29b) and the sealing fixing protrusion (29c) are inserted into the sealing fastening groove (74a), and the uneven assembly is mutually airtight. It can be configured like this.

In addition, the sealing fitting groove 29 of the housing support surface 26 is provided to have a width greater than the cross-sectional width of the sealing member 70, so that when assembling the sealing member 70, the sealing compression portion 29d is formed on both sides. is further formed, and on the coupling surface 43 of the filter housing 40, a coupling fitting is inserted into the sealing compression portion 29d and presses both sides of the sealing member 70 to the sealing fixing protrusion 29c. 43b) can be further configured.

In addition, the spray body 20 may further include a switching knob 24 for adjusting the discharge and spray form of tap water supplied through the filter member 30.

According to the present invention, the faucet head installed on the faucet of a sink faucet is configured to be rotatable with a spray body and a filter housing and can be opened and closed with a locking latch, and the filter member assembled to the filter housing is configured to be rotatable with respect to the hinge portion. It can be easily replaced to improve the convenience of work.

In addition, during the process of fastening the filter housing of the faucet head and the spray body to the discharge port of the sink faucet by assembling the irregularities with anti-rotation protrusions, the rotation of the spray body and the filter housing is prevented, thereby preventing damage to the hinge portion and locking latch and water leakage. can do.

In addition, the filter member of the faucet head installed in the sink outlet can be easily replaced, so chlorine and impurities in tap water can be removed and purified more efficiently, and the spray type of tap water can be easily switched through the changeover knob on the spray body. There are also effects that can improve marketability.

Figure 1 is an exploded perspective view of a faucet head for a sink with an improved filter replacement structure according to the present invention.
Figure 2 is a cross-sectional view of the assembled faucet head for a sink with an improved filter replacement structure according to the present invention.
Figure 3 is a state of use of the faucet head for a sink with an improved filter replacement structure according to the present invention.
Figures 4a and 4b are perspective views showing the locking structure of the faucet head for a sink according to the present invention.
5A to 5D are cross-sectional views showing an example of a sealing member according to the present invention.
Figure 6 is an enlarged cross-sectional view showing an embodiment of the faucet head for a sink according to the present invention.
Figures 7a and 7b are perspective views showing an embodiment of the present invention.

The present inventor's faucet head for a sink with an improved filter replacement structure improves the convenience of replacing the filter member by configuring the spray body of the faucet head installed on the faucet for the sink to be openable and closed based on the hinge portion, and sprays when assembling the screw of the faucet head. It was invented to prevent damage to the body.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments presented below, but may be implemented in various different forms, and should be understood to include all conversions, equivalents, and substitutes included in the spirit and technical scope of the present invention. . The embodiments presented below are provided to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention. In describing the present invention, if it is determined that a detailed description of related known technologies may obscure the gist of the present invention, the detailed description will be omitted.

The terms used in this application are only 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 this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof. Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by these terms. The above terms are used only for the purpose of distinguishing one component from another.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, identical or corresponding components will be assigned the same reference numerals and duplicate descriptions thereof will be omitted. do.

First, the faucet head 100 for a sink is constructed by assembling a filter housing 40 including a filter member 30 on the upper side of the spray body 20 as shown in FIGS. 1 to 3, and the faucet head 100 It has a general configuration in which the filter housing 40 of ) is assembled to the outlet 5 of a sink faucet so that tap water is filtered and sprayed through the outlet of the spray body 20.

Here, the faucet head 100 is provided with a hinge portion 50 that is interconnected on one side of the filter housing 40 and the spray body 20 facing each other, and the filter is operated based on the hinge portion 50. The housing 40 and the spray body 20 are configured to be rotatable so that the other side can be moved to open or close.

In addition, on the other side of the filter housing 40 and the spray body 20 facing each other, the housing locking device 66 provided in the locking support device 65 is a binding locking device protruding from the outer diameter surface of the filter housing 40. It is configured to be caught on (61), so that the filter housing 40 and the spray body 20 are fixed in an open or closed state according to the operation of the housing lock 66.

The injection body 20 has a fluid inlet hole formed in the center of the filter mounting portion 21 with an open top, and a housing support surface 26 on which a sealing member 70 is assembled around the filter mounting portion 21. It is provided, and the housing insertion ridge 27 that divides the filter mounting portion 21 and the housing support surface 26 is formed to protrude stepwise, so that the filter member 30 mounted on the filter mounting portion 21 is formed on the housing insertion ridge ( 27) to prevent separation and movement.

In addition, the spray body 20 sprays tap water supplied through the fluid inlet hole through a spray plate provided on the bottom, and the spray body 20 is further provided with a switching knob 24 to filter the filter member 30. ), filtered tap water can be discharged by changing the spray form according to the operation of the changeover knob 24, and the internal configuration of changing the spray form of tap water by the operation of the changeover knob 24 is already commonly used. Since this is a known technology, detailed description of the assembly and operation configuration of the switch knob will be omitted.

And on the housing support surface 26 of the injection body 20, a sealing fitting groove 29 is formed into which the ring-shaped sealing member 70 is assembled, so that the filter housing 40 connected to the hinge portion 50 is formed. The lower engaging surface 43 is seated on the housing support surface 26 and is configured to prevent fluid leakage by the sealing member 70.

The filter member 30 is inserted into the filter mounting portion 21 of the spray body 20 to filter tap water, and the filter housing 40 is made of a transparent or translucent material so that the state of the filter material 31 can be confirmed from the outside. It is desirable to do so, and it is also desirable to project only a portion of the area where the filter material is located to the outside through the filter housing.

The filter member 30 largely includes a filter material 31 formed into a cylindrical shape with a fluid discharge hole in the center, and a method of closing the upper surface of the filter material 31 or a plurality of upper cover openings on the outer circumference ( 32a) is assembled to form an upper cover 32 that allows tap water flowing in through the filter housing 40 to filter through the side and upper surface of the filter material 31 and move to the center, and a lower part of the filter material 31 It is assembled to include a lower cover 35 in which a filter discharge port formed in the center is inserted into the fluid discharge hole and a filter packing member 36 is assembled around the bottom. This configuration can be varied according to the needs of those skilled in the art. Please indicate that it is applicable.

And the filter housing 40 connected to the spray body 20 and the hinge part 50 has a filter receiving part 41 with an open lower part and an upper assembly 42 at the outlet 5 of the sink faucet. It is configured to be screw-fastened, so that the outer diameter surface of the housing insertion jaw 27 is inserted into the inner wall of the filter receiving portion 41 while rotating relative to the hinge portion 50, and the coupling surface 43 is attached to the housing support surface 26. ) is configured to be seated and assembled, and the side fluid is as much as the gap between the housing insertion jaw 27 between the filter member 30 assembled on the filter mounting portion 21 of the injection body 20 and the inner wall of the filter receiving portion 41. As the supply space 41a is further formed, tap water flowing into the filter housing 40 is supplied to the upper surface of the filter material 31 through the upper cover opening portion 32a of the upper cover 32, and the side fluid supply It is filtered through the upper side of the filter material 31 through the space 41a and moves to the central fluid discharge hole.

Here, the hinge portion 50 is provided with a housing connector 51 having a pin assembly hole on one side of the filter housing 40, and a body connector (51) having a pin assembly hole on one side of the spray body 20. 52) is configured to protrude, and the filter housing 40 and the spray body 20 are interconnected and assembled by inserting the rotating shaft 55 into the pin assembly hole of the housing connector 51 and the body connector 52.

Accordingly, the filter housing 40 and the spray body 20 rotate one side about the rotation axis 55 to open the filter mounting portion 21 and the filter receiving portion 41, allowing the filter member 30 to be replaced. After the above replacement, the coupling surface 43 of the filter housing 40 is rotated so that it is seated on the housing support surface 26 of the spray body 20, and then the housing lock 66 provided on the other side is fastened. It is hung on the locking hole (61) so that the filter housing (40) and the spray body (20) are fixed in a closed state.

The method of fixing the spray body 20 and the filter housing 40 is that the tip of the housing lock 66 is caught in the binding lock 61 formed on the outer diameter surface, and the housing support surface 26 and the coupling surface ( 43), the spray body 20 and the filter housing 40 can be easily locked and fixed while preventing water leakage by compressing the sealing member 70 located between them.

In addition, as shown in FIGS. 4A and 4B, the binding catch 61 protrudes from the outer diameter surface of the filter housing 40, and a “C” opening is formed around the binding catch 61 in the direction of the filter housing. A shaped hook 62 is further formed, and is also formed around the outer circumference of the housing lock 66, one end of which is rotatably assembled to the locking support 65 protruding from the outer diameter surface of the spray body 20. The binding ring 67, which has a “ㄷ” shape and is assembled by being caught by the ring locking mechanism 62, is configured to be rotatably assembled to the locking support 65.

Therefore, when the injection body 20 and the filter housing 40 connected to the hinge portion 50 are locked and moved, the housing lock 66 equipped with an elastic member (not shown) on the inside is connected to the front end of the binding lock 61. After being hung and pre-assembled, the binding ring (67) is hung on the ring hook (62) to double lock and secure the filter housing (40). To replace the filter member (30), the binding ring (67) is fixed. If you rotate it to its original position and press one end of the housing lock 66 to separate it from the binding lock 61, the spray body 20 and the filter housing 40 will open and the filter member 30 can be easily separated.

Here, the sealing member 70 assembled on the housing support surface 26 of the spray body 20 is in close contact with the coupling surface 43 of the filter housing 40 and collects water supplied to the filter receiving portion 41. To prevent water leakage, as an example, it is possible to assemble the sealing member 70 by forming a sealing fitting groove 29 on either the housing support surface 26 or the coupling surface 43. In the present invention, the housing The configuration of forming a sealing fitting groove on the support surface will be described.

As shown in FIGS. 5A to 5B, the sealing member 70 further has a convex sealing fixture 71 formed at one end inserted into the sealing fitting groove 29, and the sealing fitting groove 29 ) is provided with a concave-shaped sealing fixing groove (29a) corresponding to the sealing fixture (71), so that the sealing member (70) is connected to the sealing fitting groove (29) and the sealing fixing groove (29a). It is configured to be double-concavely assembled.

In addition, a separation prevention groove is further formed on the lower inner surface of the sealing fixing groove (29a), and a separation prevention protrusion that is inserted into the separation prevention groove is further formed on the outer surface of the sealing fixture (71) to form a separation prevention groove (29). The present invention also includes enabling the assembled sealing member 70 to be more firmly fixed.

And the sealing member 70 is installed in a ring shape on the housing support surface 26 of the injection body 20, and the concave-shaped sealing fitting groove 29 is formed to have at least one concentric circle to provide sealing. It is also possible to have the members individually assembled, and the coupling surface 43 of the filter housing 40 facing the sealing member 70 has a convex support protrusion 43a corresponding to the sealing insertion portion 72. ) can be formed and configured to be assembled in a concave-convex manner so as to be mutually airtight.

In addition, as shown in FIG. 5C, the sealing fitting grooves 29 provided on the housing support surface 26 of the spray body 20 are spaced on both sides of the sealing fastening protrusion 29b so as to have a “mountain” shape on the bottom surface. The sealing fixing protrusion (29c) is formed to protrude, and the sealing member (70) has protrusions inserted on both sides of the sealing fastening groove (74a) so that the sealing fastening protrusion (29b) and the sealing fastening protrusion (29c) are inserted into the bottom surface. It can be configured to be molded to have an “m” shape with grooves 74b formed.

The sealing fastening protrusion (29b) formed on the bottom surface of the sealing fitting groove (29) is forcefully fitted into the sealing fastening groove (74a) to prevent separation of the sealing member (70), and the sealing fixing protrusions (29c) on both sides are It is inserted into the protrusion insertion groove (74b) so that the “m” shaped sealing member can be stably pressed against the coupling surface (43).

At this time, the coupling surface 43 of the filter housing 40 is molded to have a shape corresponding to the upper surface of the “type sealing member 70” to increase the contact area, and is larger than the height of the sealing fixing protrusion 29c. By making the protrusion insertion groove (74b) higher and providing a deformation space during assembly, the sealing member (70) conforms to the shape of the coupling surface (43) when pressed between the housing support surface (26) and the coupling surface (43). It is also desirable to allow the deformation to be airtight.

In addition, the sealing fitting groove 29 of the housing support surface 26 is provided with a width greater than the cross-sectional width of the sealing member 70, so that when assembling the sealing member 70, the sealing in the spare space on both sides is compressed. A portion 29d is further formed, and is inserted into the sealing compression portion 29d on the coupling surface 43 of the filter housing 40 to press both sides of the sealing member 70 to the sealing fixing protrusion 29c. It is also included in the present invention to further form a coupling fitting (43b).

In addition, the sealing member 70 is assembled in the sealing fitting groove 29 having a long hole width formed on the housing support surface 26 of the spray body 20, as shown in FIG. 5D, and is attached to the filter housing 40. It may also be included in the present invention to configure the sealing members to be concave-convexly assembled in a concave support insertion groove 43c corresponding to the sealing member 70 on the coupling surface 43 so as to be airtight with each other.

And on the housing insertion jaw 27 of the spray body 20 of the present invention, at least one anti-rotation protrusion 28 is formed on the outer surface to protrude at regular intervals, as shown in FIGS. 6A and 6B, and the filter housing 40 In the filter receiving portion 41, at least one anti-rotation fitting groove 48 corresponding to the anti-rotation protrusion 28 is formed on the inner wall, so that the filter housing 40 is positioned based on the hinge portion 50. As the spray body 20 closes and rotates, the anti-rotation protrusion 28 and the anti-rotation fitting groove 48 are configured to be unevenly assembled.

The anti-rotation protrusion 28 and the anti-rotation fitting groove 48 are formed to correspond to at least one of the left and right directions on the plane of the spray body 20 and are assembled in a concave-convex manner, so that the sink In the process of fastening the upper assembly 42 of the filter housing 40 to the outlet 5 of the faucet, twisting of the spray body 20 and the filter housing 40 can be prevented.

Here, the anti-rotation protrusion 28 and the anti-rotation fitting groove 48 are included in the present invention and are formed to correspond to either the front or rear direction on the plane of the spray body 20, and are included in the housing fit. It should be noted that it is also possible to form the entire outer surface of the chin 27.

In addition, the anti-rotation protrusion 28 of the injection body 20 is formed with a curved guide guide surface 28a on the upper side, and the anti-rotation fitting groove 48 of the filter housing 40 is curved on the lower side. A true insertion guide surface (48a) is formed so that the anti-rotation protrusion (28) and the anti-rotation fitting groove (48) rotate with respect to the hinge portion (50) but do not interfere with each other, so that the spray body (20) and the filter housing are formed. (40) opens and moves smoothly, allowing the filter member (30) to be replaced.

As another embodiment of the present invention, the faucet head 100, which is manufactured in a relatively small size, such as a sink faucet, is equipped with a spray body 20 to secure space for assembling the filter member 30 and to assemble the sealing member 70. In the process of assembling the faucet head 100 to the sink faucet by forming an outer fixing protrusion 81 and an outer fitting protrusion 82 on the outer surface of the filter housing 40, respectively, the spray body 20 and the filter housing 40 Configuration to prevent damage is also included in the present invention.

That is, as shown in FIGS. 7A and 7B, a pair of outer fixing protrusions 81 are formed to protrude downward at intervals on the outer surface of the filter housing 40, and the outer fixing protrusions 81 are formed on the outer surface of the spray body 20. The outer fitting protrusion 82, which is fitted into the gap between the protrusions 81, is formed to protrude upward, so that the spray body 20 rotates around the hinge portion 50, and the outer fitting protrusion 82 is inserted into the gap between the outer fixing protrusions 81. Insert and secure the insertion protrusion (82).

Therefore, even in the process of screwing the relatively small faucet head 100 to the outlet of the sink faucet, the spray body 20 and the filter housing 40 connected by the outer fixing protrusion 81 and the outer fitting protrusion 82 rotate together. It is possible to prevent damage to the hinge portion 50 and the binding portion by preventing twisting while doing so.

Here, it is preferable that the outer fixing protrusion 81 and the outer fitting protrusion 82 form inclined finishing surfaces on the protruding upper and lower surfaces, and the outer fixing protrusion 81 and the outer fitting protrusion 82 It should be noted that the outer surfaces of the spray body 20 and the filter housing 40 can be formed to correspond to each other without limiting the position.

In addition, it is also desirable to form the outer fixing protrusion 81 so that its lower end is formed to match the tip of the filter housing 40 or extend downward to support the entire side of the outer fitting protrusion 82 to ensure rigidity. do.

Unless there is an explicit order or statement to the contrary regarding the steps constituting the method according to the invention, the steps may be performed in any suitable order. The present invention is not necessarily limited by the order in which the steps are described. The use of any examples or illustrative terms (e.g., etc.) in the present invention is merely to describe the present invention in detail, and unless limited by the claims, the scope of the present invention is limited by the examples or illustrative terms. It is not limited. Additionally, those skilled in the art will recognize that various modifications, combinations and changes may be made depending on design conditions and factors within the scope of the appended claims or their equivalents.

Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and the scope of the patent claims described later as well as all scopes equivalent to or equivalently changed from the scope of the claims are included in the scope of the spirit of the present invention. It will be said that it belongs.

20: spray body 21: filter mounting part
26: Housing support surface` 27: Housing insertion jaw
28: anti-rotation protrusion 30: filter member
40: Filter housing 41: Filter receiving part
43: coupling surface 48: anti-rotation fitting groove
50: Hinge portion 55: Rotation axis
61: Binding catch 62: Hook hook
65: locking support area 66: housing locking area
67: Binding ring 70: Sealing member
81: External fixing protrusion 82: External fitting protrusion
100: Faucet head

Claims (11)

A filter housing 40 including a filter member 30 is assembled on the upper side of the spray body 20, and the filter housing 40 is assembled to the outlet 5 of the sink faucet, so that the tap water is filtered and the spray body 20 ) In the sink faucet head 100 that sprays through the discharge port,
The faucet head 100 is provided with a hinge portion 50 that is interconnected on one side of the filter housing 40 and the spray body 20 facing each other, and the filter housing 40 is connected based on the hinge portion 50. ) and the spray body 20 are configured to be rotatable, and on the other side of the filter housing 40 and the spray body 20 facing each other, a housing lock 66 provided on the lock support member 65 is attached to the filter housing. It is configured to block the locking of the filter housing 40 and the spray body 20 by being caught by a binding locking hole 61 protruding from the outer diameter surface of the (40);
The injection body 20 is provided with a housing support surface 26 on which a sealing member 70 is assembled around the filter mounting part 21 with an open top, and the housing is fitted on the inside of the housing support surface 26. The chin (27) is formed to be stepped,
The filter housing 40 has a filter receiving portion 41 with an open bottom, and the upper assembly 42 is screwed to the outlet 5 of a sink faucet, and rotates based on the hinge portion 50. While doing so, the outer diameter surface of the housing insertion jaw 27 is inserted into the inner wall of the filter receiving portion 41 and is configured to be seated and assembled on the housing support surface 26,
A side fluid supply space (41a) is further formed between the filter member (30) assembled to the filter mounting portion (21) of the spray body (20) and the inner wall of the filter receiving portion (41) equal to the gap between the housing inserts (27). A faucet head for a sink with an improved filter replacement structure, characterized in that tap water flowing into the filter housing (40) is filtered through the top and sides of the filter material (31) and moves to the central fluid discharge hole.
According to clause 1,
The hinge portion 50 is,
A housing connector 51 having a pin assembly hole is provided to protrude on one side of the filter housing 40,
A body connector 52 having a pin assembly hole is provided to protrude on one side of the injection body 20, and a rotation axis 55 is inserted into the pin assembly hole of the housing connector 51 and the body connector 52 to connect the rotation axis ( A faucet head for a sink with an improved filter replacement structure, characterized in that the filter housing (40) and the spray body (20) are rotatable around a (55).
According to clause 1,
A binding ring 67 having a “C” shape is rotatably assembled to the locking support 65 of the injection body 20,
A “L” shaped hook holder (62) is further formed around the binding catch 61 of the filter housing 40, so that the tie ring 67 rotates and is caught by the hook holder 62, thereby forming a filter. A faucet head for a sink with an improved filter replacement structure, characterized in that the housing (40) and the spray body (20) are double locked and fixed.
delete According to clause 1,
At least one anti-rotation protrusion 28 is protruding from the housing holder 27 of the injection body 20,
In the filter receiving portion 41 of the filter housing 40, at least one anti-rotation fitting groove 48 corresponding to the anti-rotation protrusion 28 is formed on the inner wall,
Replacement of the filter, characterized in that the anti-rotation protrusion 28 and the anti-rotation fitting groove 48 are configured to be unevenly assembled as the filter housing 40 and the spray body 20 are closed and rotated with respect to the hinge portion 50. Faucet head for sink with improved structure.
According to clause 1,
A curved guide guide surface 28a is formed on one upper side of the anti-rotation protrusion 28 of the injection body 20,
In the anti-rotation fitting groove 48 of the filter housing 40, a curved insertion guide surface 48a is formed on the other lower side,
A faucet head for a sink with an improved filter replacement structure, characterized in that the anti-rotation protrusion (28) and the anti-rotation fitting groove (48) rotating about the hinge portion (50) are configured to rotate without interfering with each other.
According to clause 1,
A sealing fitting groove 29 is formed in a ring shape on the housing support surface 26 of the spraying body 20, and the sealing member 70 is inserted and assembled;
The sealing member 70 is formed to have at least one row of concave-shaped sealing insertions 72 on the upper surface in the direction of the filter housing, and is coupled to the filter housing 40 facing the sealing member 70. A convex-shaped supporting protrusion 43a corresponding to the sealing insertion part 72 is formed on the surface 43, so that the sealing insertion part 72 and the supporting protrusion 43a are airtight with each other. ) A faucet head for a sink with an improved filter replacement structure, characterized in that it is assembled.
According to clause 1,
A sealing fitting groove 29 is formed in a ring shape on the housing support surface 26 of the spraying body 20, and the sealing member 70 is inserted and assembled;
The sealing fitting groove 29 causes sealing fixing protrusions 29c to protrude at intervals on both sides of the sealing fastening protrusion 29b so as to have a “mountain” shape on the bottom surface,
The sealing member 70 is formed in an “m” shape with protrusion insertion grooves 74b formed on both sides of the sealing fastening groove 74a so that the sealing fastening protrusion 29b and the sealing fixing protrusion 29c are inserted into the bottom surface. A faucet head for a sink with an improved filter replacement structure, characterized in that it is assembled in a concave-convex manner in a mutually airtight manner.
According to clause 1,
The sealing fitting groove 29 of the housing support surface 26 is provided with a width greater than the cross-sectional width of the sealing member 70, so that when assembling the sealing member 70, sealing compression portions 29d are formed on both sides. formed,
The coupling surface 43 of the filter housing 40 is further provided with a coupling fitting 43b that is inserted into the sealing compression portion 29d and presses both sides of the sealing member 70 to the sealing fixing protrusion 29c. A sink faucet head with an improved filter replacement structure.
According to clause 1,
The spray body 20 further includes a switching knob 24 for adjusting the discharge and spray form of tap water supplied through the filter member 30. A sink faucet with an improved filter replacement structure. head.
According to clause 1,
The filter housing 40 is provided with a pair of outer fixing protrusions 81 at intervals on its outer surface, and an outer fitting protrusion 82 fitted into the gap between the outer fixing protrusions 81 on the outer surface of the spray body 20. ) is formed to protrude upward, and the spray body 20 rotates around the hinge portion 50 and is fixed by inserting the outer fitting protrusion 82 between the gaps between the outer fixing protrusions 81. Faucet head for sink with improved filter replacement structure.

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