TW201602483A - Antirust faucet with the function of self-cleaning - Google Patents

Abstract

An antirust faucet with the fuction of self-cleaning is disclosed in this present invention. The antirust faucet comprises a body having a passage and an inner wall, an waterproof membrane formed on the inner wall, and a hollow screw rotatably disposed in the passage, wherein the waterproof membrane prevents water from penetrating the inner wall to rust the body, and the hollow screw comprises a hollow portion, a spiral extending structure formed on a surface of which, and a plurality of through holes. Water entering to the body flow into the hollow portion of the hollow screw when turning on the faucet and then into the passage via the plurality of the through holes in a direction towards the inner wall so as to flow along the spiral extending structure to scour the inner wall, at the same time, the hollow screw is driven in rotation by water thereby allowing water spray on the inner wall as it rotating so that this present invention can achieve the aim to clear the inner wall of the faucet.

Description

Anti-rust faucet with self-cleaning function

The present invention relates to a faucet, and more particularly to a rust preventive faucet having a self-cleaning function.

Clean drinking water is a basic requirement for modern people to pursue health and cleanness. However, the interior of the faucet in the home often hides dirt due to rusting, which causes the drinking water to be seriously polluted when passing through the faucet, which greatly affects drinking. The quality of the water.

In order to solve the rust problem of the faucet, the faucet is usually made of stainless steel containing chrome, and a dense chrome oxide film is formed on the outer surface of the faucet to prevent the penetration of water and gas to corrode the internal steel of the faucet. The chrome film will gradually lose after the faucet is used for a long time, and the inner steel will still rust after using the faucet for a period of time, and the rust problem of the faucet cannot be eliminated.

Therefore, how to develop a rust-proof faucet to completely solve the rust problem of the faucet, so that the inside of the faucet is not easy to rust and the dirt is smeared, so that the drinking water is not polluted when flowing through the faucet to keep the original clean. It is one of the important topics of concern to the industry today.

In view of the above problems of the prior art, the main object of the present invention is to provide a rust preventive faucet having a self-cleaning function, comprising: a faucet body, a water barrier film and a hollow screw. The faucet body has a water inlet, a water outlet, a water flow path extending from the water inlet to the water outlet, and an annular extending surface to form an inner wall surface of the water flow channel. The water-repellent film is deposited on the inner wall surface by vapor deposition to prevent water molecules flowing in the water flow path from penetrating into the inner wall surface. The hollow screw enters the faucet body from the water inlet, and is rotatably disposed in the water flow channel. The hollow screw has a spiral extending surface formed outside the rod wall, and a plurality of curved extending faces are formed on the rod wall. An open through hole; wherein the water flow entering the water flow channel from the water inlet is guided to enter the hollow portion of the hollow screw, and then exits the hollow portion through the plurality of through holes, and extends toward the spiral of the hollow screw The surface flows, and the crucible drives the hollow screw to rotate in the water flow passage, and the flushing water flow is generated to clean the inner wall surface.

Preferably, the rust preventive faucet of the present invention further comprises two rotary bearings respectively disposed at both ends of the hollow screw, so that the hollow screw is only rotated without being displaced when pushed by the water flow. The utility model further comprises a spoiler structure formed on the inner wall surface of the faucet body, the spoiler structure comprising a plurality of spaced convex portions and concave portions for generating a vortex when the water flows, thereby cleaning the inner wall surface. The utility model may further comprise a water quantity adjusting valve disposed at the water outlet to adjust the water outlet amount of the water outlet, wherein the water quantity adjusting valve may comprise an inner valve member and an outer valve member, and the inner valve member and the outer valve member respectively have a plurality of a water outlet hole, the outer valve member is superposed on the inner valve member, and is rotatable relative to the inner valve member, thereby adjusting the degree of overlapping of the inner valve member and the outer valve member water outlet hole, and the water outlet is obtained. Adjustment of water volume.

Preferably, the faucet body further comprises a support cover detachably disposed at the water inlet for supporting the hollow screw located in the water flow passage to block the hollow screw from being detached from the faucet body. Further, the material of the water-repellent film is a polymer polymer of poly-para-xylene for preventing water molecules from penetrating into the inner wall of the faucet body.

Compared with the prior art, the rustproof faucet of the present invention has a water-repellent film which prevents water entering the faucet from infiltrating into the inner wall thereof to cause rust, and has a hollow screw and a spoiler structure to provide self-cleaning to the inner wall surface of the faucet. In addition, a water volume adjustment valve is also provided to adjust the water output of the faucet to achieve water saving.

The other aspects of the present invention will be readily understood by those skilled in the art from this disclosure. The invention may also be embodied or applied by other different embodiments. The details of the present invention can be variously modified and changed without departing from the spirit and scope of the invention. In particular, the relative relationship and relative positions of the various elements in the drawings are for illustrative purposes only and are not representative of actual implementation of the invention.

In order to completely solve the rust problem after the faucet has been used for a long time, the present invention provides an improvement and innovation for the structure of the faucet, and provides a rust preventive faucet with a self-cleaning function, which is shown in Figs. 1 to 7 of the drawings of the present invention. The rust preventive faucet comprises a faucet body 1, a water-repellent film 2 and a hollow screw 3.

The faucet body 1 has a water inlet 11 , a water outlet 12 , a water flow passage 14 extending from the water inlet 11 to the water outlet 12 , an annular extending portion to form an inner wall surface 15 of the water flow passage 14 , and a The support cover 17 of the water inlet 11 , a force applying member 18 , and a closing valve 19 connected to the force applying member 18 for opening and closing the water flow path 14 .

Further, the hollow screw 3 is disposed in the water flow passage 14 and supported by the support cover 17 to maintain a position in the faucet body 1. The closing valve 19 has an elastic rubber pad 192 that can enter the water flow path 14 to contact the inner wall surface 15 to prevent the flow of water. The user can move the elastic rubber pad 192 of the closing valve 19 in the first direction by the force applying member 18 to open the water flow channel 14 to open the faucet, as shown in FIG. 3 and FIG. 5, at this time, The water entering the water flow path 14 from the water inlet 11 flows along the water flow path 14 from the water outlet 12 (the flow direction of the water is illustrated by an arrow in the figure). In addition, the user can also operate the force applying member 18 to move the elastic rubber pad 192 of the closing valve 19 in the second direction until contacting the inner wall surface 15 to block the water flow passage of the water flow passage 14 to close the water flow. The track 14 places the faucet in a closed state, which is the direction in which the resilient rubber pad 192 of the closure valve 19 moves downward in Figures 3 and 5. In addition, it should be noted that the opening orientation of the water inlet and the water outlet of the present invention, as well as the structural form of the closing valve and the force applying member, can be changed according to the shape of each type of water dragon body, and is not limited to the one shown in the figure. A pre-force spring may be added to the faucet body 1 to close the water flow passage 14 to close the faucet when the user does not operate the urging member 18, thereby achieving the environmental protection purpose of water saving.

In the manufacture of the rustproof faucet of the present invention, the faucet body 1 can be first sent to the air phase deposition chamber, and the water permeable film 2 is plated on the inner wall surface 15 of the faucet body 1 by vapor deposition. The film 2 is mainly used to prevent water molecules flowing in the water flow path 14 from infiltrating into the inner wall surface 15, thereby preventing the inner wall of the faucet body 1 from being corroded by the influence of water molecules. The water-repellent film 2 can be selected from a polyester protective material of a high molecular polymer, for example, a polymer of poly-para-xylene (Parylene). It should be noted that, in FIG. 3 and FIG. 5 , the water-repellent film 2 is only illustrated as a partial region plated on the inner wall surface 15 , but not limited thereto. Basically, the faucet body 1 forms the water channel 14 . The water-repellent film 2 can be plated on the entire surface of the inner wall surface 15 and even the water-repellent film 2 can be plated on the valve wall 191 of the water flow channel 14 and the elastic rubber pad 192. 3 and FIG. 5, that is, the portion of the closing valve 19 that may be in contact with water may be plated with the water-repellent film 2 to prevent the closing valve 19 from being corroded by water molecules. Therefore, the faucet of the present invention has the function of preventing rust by the design of the water-repellent film, and can effectively extend the service life of the faucet.

The hollow screw 3 can enter the faucet body 1 from the water inlet 11 and is rotatably disposed in the water flow channel 14. In the present invention, the hollow screw 3 includes a rod wall 30, and a rod The wall 30 surrounds the formed hollow portion 31, a spiral extending surface 32 formed outside the rod wall 30, and a plurality of through holes 33 extending through the rod wall 30 and opening toward the spiral extending surface 32. Further, the water flow from the water inlet 11 into the water flow path 14 of the faucet body 1 is guided by the water flow path 14 into the hollow portion 31 of the hollow screw 3, and from the hollow portion 31 via the plurality of through holes 33. Sprayed toward the spirally extending surface 32 of the hollow screw 3, the crucible drives the hollow screw 3 to rotate in the water flow passage 14, and then the jetted water flow is guided by the spiral surface of the spirally extending surface 32, thereby flushing the inner wall surface near the circumference. 15, in order to remove the dirt attached to the inner wall surface 15, to achieve the purpose of self-cleaning the faucet.

In addition, the rust preventive faucet of the present invention is also designed with a fitting disassembly mechanism to facilitate the replacement of consumables and the cleaning of the fittings. Specifically, in the present invention, the support cover 17 is detachably coupled to the water inlet 11 of the faucet body 1 in a detachable manner, for example, when the hollow screw 3 needs to be replaced or cleaned for a long time, only needs to be released. The support cover 17 is engaged with the faucet body 1, and the support cover 14 is detached from the faucet body 1. The hollow screw 3 can exit the faucet body 1 via the water inlet 11 for cleaning or direct replacement. In addition, the rust preventive faucet of the present invention may further include a stopper 7 protruding from the water passage 14 of the faucet body 1 to limit the depth of the hollow screw 3 entering the water flow path 14, thus avoiding The hollow screw 3 enters the water flow path 14 to be too deep in depth and is not easily removed for cleaning or replacement.

The rustproof faucet with self-cleaning function of the invention can also be provided with two rotating bearings 4 and a spoiler structure 5. The two rotating bearings 4 are respectively disposed at upper and lower ends of the hollow screw 3, so that the hollow screw 3 rotates only in the water flow passage 14 of the faucet body 1 when being pushed by the water flow, without It will move up and down or left and right. The spoiler structure 5 is formed on the inner wall surface 15 of the faucet body 1, and is formed by at least a plurality of convex portions 51 and recesses 52 which are spaced apart from the water flow path 14 to cause a vortex of the flowing water to be achieved. The cleaning of the inner wall surface 15 removes dirt. Preferably, the spoiler structure 5 is in the form of a spiral. As shown in FIG. 3 and FIG. 5, the spoiler structure 5 is formed on the inner wall surface 15 of the faucet body 1 near the water outlet 12. However, the spoiler structure 5 can also be formed on the inner wall surface 15 of the faucet body 1 . The faucet body 1 is adjacent to the position of the water inlet 11 or the inner wall surface 15 of the other water flow rush position.

The water amount adjusting valve 6 is disposed at the water outlet 12 for adjusting the water discharge amount of the water outlet 12. The water quantity adjusting valve 6 includes an inner valve member 61 and an outer valve member 62 stacked on the inner valve member 61. The inner valve member 61 and the outer valve member 62 each have a plurality of water outlet holes 611 and 621. The outer valve member 62 is rotatable relative to the inner valve member 61, thereby adjusting the degree of alignment between the inner valve member 61 and the outer valve member 62, and the water discharge amount of the water amount adjusting valve 6 is different from the water outlet. The degree of alignment of 611, 621 is proportional. For example, the flow hole diameter when the water hole 621 is completely aligned with the water hole 611 shown in FIG. 4 is larger than the flow path hole of the water hole 621 not completely aligned with the water hole 611 shown in FIG. 6, so the water quantity adjusting valve shown in FIG. The amount of water discharged from 6 will be larger than the amount of water discharged from the water amount adjusting valve 6 shown in Fig. 6. Therefore, the adjustment of the water volume can be achieved by the rotation of the outer valve member, and the water discharge amount can be reduced in time to achieve the environmental protection purpose of water saving.

The faucet body 1 is additionally subjected to a cathode current to suppress the rust reaction of the faucet body 1, and a current supply source of the cathode current may be disposed inside the faucet body 1.

In summary, the inner wall surface of the rust preventive faucet of the present invention is coated with a water-repellent film, thereby preventing water molecules flowing inside from infiltrating into the inner wall surface, thereby slowing the rust of the faucet, and further comprising a hollow screw capable of providing water flow to wash the inner wall surface of the faucet. And a spoiler structure formed on the inner wall surface of the faucet, thereby achieving the purpose of cleaning the inner wall surface of the faucet, and effectively extending the service life of the faucet.

The above embodiments are merely illustrative of the principles and effects of the invention and are not intended to limit the invention. Modifications and variations of the above-described embodiments can be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be as defined in the scope of the invention.

1‧‧‧ faucet body
11‧‧‧ water inlet
12‧‧‧Water outlet
14‧‧‧Water runner
15‧‧‧ inner wall
17‧‧‧Support cover
18‧‧‧ force parts
19‧‧‧Closed valve
191‧‧‧ valve wall
192‧‧‧elastic pads
2‧‧‧Water barrier film
3‧‧‧ hollow screw
30‧‧‧ pole wall
31‧‧‧ Hollow
32‧‧‧Spiral extension
33‧‧‧through holes
4‧‧‧Rotary bearing
5‧‧‧ spoiler structure
51‧‧‧ convex
52‧‧‧ recess
6‧‧‧Water volume adjustment valve
61‧‧‧ inner valve
611‧‧‧ water outlet
62‧‧‧External valve parts
612‧‧‧Water outlet
7‧‧‧stop block

Fig. 1 is a perspective view of a rust preventive faucet of the present invention. [Fig. 2] Fig. 1 is a top view of the rustproof faucet shown in Fig. 1. 3 is a cross-sectional view taken along line AA of the rust preventive faucet shown in FIG. 2 in a large water discharge operation state. [Fig. 4] is an enlarged view of a region indicated by a symbol B shown in Fig. 3. [Fig. 5] is a cross-sectional view taken along line AA of the rust preventive faucet shown in Fig. 4 in a small water discharge operation state. 6 is an enlarged view of a region indicated by a symbol C shown in FIG. 5. Fig. 7 is an exploded view of the rust preventive faucet of the present invention.

11‧‧‧ water inlet

12‧‧‧Water outlet

14‧‧‧Water runner

15‧‧‧ inner wall

17‧‧‧Support cover

18‧‧‧ force parts

19‧‧‧Closed valve

191‧‧‧ valve wall

192‧‧‧elastic pads

2‧‧‧Water barrier film

3‧‧‧ hollow screw

30‧‧‧ pole wall

31‧‧‧ Hollow

32‧‧‧Spiral extension

33‧‧‧through holes

4‧‧‧Rotary bearing

5‧‧‧ spoiler structure

51‧‧‧ convex

52‧‧‧ recess

6‧‧‧Water volume adjustment valve

7‧‧‧stop block

Claims (10)

A rust preventive faucet with self-cleaning function, comprising: a faucet body having a water inlet, a water outlet, a water flow passage extending from the water inlet to the water outlet, and an annular extension to form the water flow passage a water-repellent film deposited on the inner wall surface by vapor deposition to prevent water molecules flowing in the water flow path from penetrating into the inner wall surface; and a hollow screw entering the faucet body from the water inlet a rotatably disposed in the water flow channel, the hollow screw has a spiral extending surface formed outside the rod wall, and the rod wall is formed with a plurality of through holes open toward the spiral extending surface; wherein, the water inlet is inserted The water flow of the water flow channel is guided to enter the hollow portion of the hollow screw, and then exits the hollow portion through the plurality of through holes, and flows toward the spiral extending surface of the hollow screw, and the hollow screw drives the hollow screw in the water flow channel. Rotate to create a flushing water flow to clean the inner wall surface. A rust-proof faucet having a self-cleaning function according to claim 1, wherein the water-repellent film is made of a polymer polymer of poly-para-xylene. The rust preventive faucet with self-cleaning function according to claim 1, further comprising a spoiler structure formed on the inner wall surface of the faucet body, the spoiler structure being at least spaced and exposed to the water flow channel The convex portion and the concave portion are configured to generate a vortex of the water flowing therethrough to thereby clean the inner wall surface. The rust preventive faucet having a self-cleaning function according to claim 3, wherein the spoiler structure is formed on an inner wall surface of the faucet body near the water inlet or the water outlet. A rust preventive faucet having a self-cleaning function according to claim 3, wherein the spoiler structure is a spiral form. The rust-proof faucet with self-cleaning function according to claim 1, wherein the faucet body further comprises a support cover detachably coupled to the water inlet of the faucet body for being located in the water flow channel The hollow screw provides support. The rustproof faucet with self-cleaning function according to claim 1 of the patent application scope, further comprising a water quantity adjusting valve disposed at the water outlet, the water quantity adjusting valve comprising an inner valve member and an outer valve member, the inner valve member And the outer valve member each has a plurality of water outlet holes, the outer valve member is superposed on the inner valve member, and is rotatable relative to the inner valve member, thereby adjusting the degree of overlapping of the inner valve member and the outer valve member water outlet hole. , 俾 to achieve the adjustment of the outlet water output. The rustproof faucet with self-cleaning function according to claim 1 of the patent application further includes two rotating bearings respectively disposed at two ends of the hollow screw, so that the hollow screw can be driven by the water flow in the water flow of the faucet body Rotate in the road. The rustproof faucet with self-cleaning function according to claim 1, wherein the faucet body further comprises a closing valve that can close the water flow passage, the closing valve has an elastic rubber pad that is movable to close the water flow. The water barrier film may also be formed on the valve wall and the elastic rubber pad exposed by the sealing valve in the water flow channel. The rust-proof faucet with self-cleaning function according to claim 1, wherein the faucet body is further provided with a cathode current to suppress rust of the metal material of the faucet body.