KR101136468B1 - Single lever faucet with Plastic Connecting Pipe of Concrete Coupling Structure - Google Patents

Abstract

The present invention relates to an improved use of the present invention, patent application No. 2010-61464, which is an applicant of the present applicant, and more specifically, an integral locking portion of a synthetic resin pipe used for a single lever faucet for supplying cold and hot water and mixed water has a strong tensile load. It is characterized in that it provides a single-lever faucet for supplying cold and hot water and mixed water having a synthetic resin connection pipe having a rigid coupling structure to prevent the plastic pipe from being separated from the faucet while being damaged.
The present invention for achieving the above object is manufactured by inserting the stainless steel engaging portion support pipe 50 to be tightly coupled while expanding the connection pipe 10 during the aging process after injection of the connection pipe 10, the connection pipe 10 ) And at the same time support the inner side of the engaging portion (11) while preventing the collapse of the engaging portion 11 is inserted in close contact with a plurality of O-rings (40) and washers (41) ) Is a single-lever faucet for supplying cold and hot water and mixed water having a connection pipe made of a synthetic resin having a rigid coupling structure in which the engaging portion 11 is maintained without being collapsed by being closely adhered at the same time on both inner and outer sides thereof. Make a point.

Description

Single lever faucet with Plastic Connecting Pipe of Concrete Coupling Structure}

The present invention relates to an improved use of the present invention, the patent application No. 2010-61464, which is the applicant's prior application. The present invention relates to a single-lever faucet for supplying cold and hot water and mixed water having a synthetic resin connection pipe having a rigid coupling structure to prevent the synthetic resin pipe from being separated from the faucet while being damaged.

In general, the single lever faucet is a high-grade power faucet that can simultaneously control temperature and flow rate by using one lever so that hot water and cold water are mixed together and discharged through one or two discharge ports. As a sink, a sink, a bath, etc. can be used everywhere.

However, the one-hole type single lever faucet 100 such as a sink and a sink using the single lever faucet 100 consists of three pipes consisting of hot water, cold water, and mixed water or a hot water, cold water, mixed water, and a drawing pipe on a very narrow bottom surface. The pipe is formed to be connected, as shown in Figures 1 to 2, the distribution nozzle pipe 110 of the single lever faucet 100 has a plurality of flexible hoses 120 for supplying cold, hot water and mixed water on a narrow bottom surface It is a structure in which it is combined, and it must be provided with a plurality of female threads or male threads for connection with the flexible hose 120 in a small area, so that it cannot be manufactured with an injection molded synthetic resin, and a plurality of female threads or male threads can be post-processed with a tap. There is no choice but to manufacture by casting or forging of bronze / brass material, screwing the flexible hose 120 to the distribution nozzle pipe 110 or welding the copper pipe The conventional method of joining pipes, which is combined with welding, is screwing with epoxy bond, even in the case of welding as well as screwing, so that the pipe replacement is virtually impossible. There was this.

In addition, the flexible hose 120 made of metal used in the conventional one-hole type single lever faucet 100 for cold and hot water mixing cannot adjust the length of the pipe according to the site situation, so if the short connection itself is impossible, the long side is under the sink or the sink. Due to its streamlined appearance, it is wound many times and is not aesthetically pleasing and breaks due to water hammer occur, and due to its structural characteristics, the replacement cycle of rubber inner pipe is different from that of soft (polybutylene, polyethylene, crosslinked-polyethylene, etc.) Inconvenient to manage separately, EPDM material in flexible hose is chemically reacted by chlorine used for water quality control, and black rubber component is diluted or Santotrans material is corroded by copper ions eluted from copper pipe. This problem occurs, and due to the characteristics of the flexible hose made of metal, it is not free to bend at various angles. The problem is limited, and the bending occurs when the water hammer phenomenon is repeatedly bent in the state of bending a lot, the flexible hose 120 is often damaged even when repairing by moving the sink, the EPDM material and Santotran material is more than 90 degrees The problem that the water does not flow because it is not restored when bent, and the distribution nozzle pipe 110 for manufacturing the copper and brass, the government regulates the use of the pipe of the product due to the blue rust phenomenon and lead component detection, and thereby There was a problem that the price competitiveness is lowered due to rising manufacturing costs.

In order to solve these problems, the patent application No. 2010-61464, which is the applicant's prior application, forms a catching portion 11 protruding outward at one end in a single lever faucet for supplying hot and mixed water with improved piping connection structure. By using a synthetic plastic faucet body 20 formed with a synthetic resin connecting pipe 10 and a catching portion seating groove 21 corresponding to the catching portion 11, the bronze, brass and copper tubes are replaced and the length is adjusted. And it has been disclosed a single-lever faucet for supplying cold and hot water and mixed water that is easy to separate and combined, environmentally friendly, inexpensive, and easy to maintain.

By the way, the synthetic resin connection pipe 10 used in the applicant of the present applicant has been found to have a problem that is separated when the catching portion 11 is collapsed when a stronger tensile load occurs, there was room for improvement.

The present invention is devised to solve the above-mentioned conventional problems, the synthetic resin pipe is damaged from the faucet while the integral locking portion of the synthetic resin pipe used for the single-lever faucet for cold and hot water and mixed water does not endure strong tensile load. It is an object of the present invention to provide a single-lever faucet for supplying cold and hot water and mixed water having a synthetic resin connection pipe having a rigid coupling structure to prevent it from being separated.

The present invention for achieving the above object is to control the flow of the hot and cold water by adjusting the cartridge assembly installed in one opening handle, and control the flow rate, the synthetic resin connection pipe to form a hook portion at one end, the connection pipe is a locking portion seating groove A single lever comprising a faucet body made of synthetic resin or engineer plastic, which is caught after being inserted into the cartridge assembly and seated thereon, and an upper cap which is screwed with the faucet body to squeeze and secure the catches of the cartridge assembly and the connection pipe. In power faucet, the engaging portion 11 of the connecting pipe 10 is formed to be expanded to a predetermined length than the outer periphery; The inner diameter of the locking portion seating groove 21 of the faucet body 20 is inserted into one or more O-rings 40 and the washer 41 in close contact with the outer diameter of the locking portion 11 of the connecting pipe. Formed to be enlarged as possible; It is provided with a catching support pipe 50 is formed to be in close contact with the inner diameter of the engaging portion 11 of the connection pipe (10); The object is achieved by providing a single-lever faucet for supplying cold and hot water and mixed water with a synthetic resin connection pipe having a rigid coupling structure.

In addition, in the single-lever faucet for supplying cold and hot water and mixed water, the other end of the engaging portion support pipe 50 is bent outward so as to be caught by the end of the engaging portion 11 of the connection pipe 10 so that the bent portion 50c is provided. It is preferably formed to prevent the loss of the upper portion of the O-ring 40 and the washer 41 inserted to be in close contact with the outer peripheral surface of the engaging portion 11 of the connection pipe (10).

In addition, in the single lever faucet for supplying the cold and hot water and the mixed water, the inserted inner end of the engaging portion support pipe 50 is formed so as to be elongated after passing through the engaging portion 11 of the connection pipe 10 and a predetermined length. It is preferable to have the wedge part 50a used.

In addition, in the single lever faucet for supplying the cold and hot water and the mixed water, a portion connected to the wedge portion 50a from the body of the locking portion support tube 50 is formed by forming an inclined portion 50b that is formed to be inclined at a predetermined angle. It is preferable to be formed to prevent breakage of the connection pipe 10 due to the sudden bending of.

In addition, in the single lever water supply for cold and hot water and mixed water supply, it is preferable that the engaging portion support pipe 50 is made of stainless steel.

In addition, in the single-lever faucet for supplying cold and hot water and mixed water, the engaging portion support pipe 50 is inserted during the firing process after the injection of the connection pipe 10 to be manufactured to be tightly coupled while expanding the connection pipe 10. desirable.

The effects of the present invention are as follows.

The present invention relates to a use invention which is an improvement of the patent application No. 2010-61464, which is an applicant of the present invention. It is a very useful invention that can provide a single-lever faucet for supplying cold and hot water and mixed water having a synthetic resin connection pipe having a rigid coupling structure to prevent the pipe from being separated from the faucet.

1 is an exploded view showing the configuration of the applicant's previously filed single-lever faucet
Figure 2 is a cross-sectional view showing a coupling pipe coupling structure of a single lever faucet applied to the present invention
Figure 3 is a schematic diagram showing a process of inserting the engaging support pipe during aging of the connection pipe to which the present invention is applied
Figure 4 is a cross-sectional view showing a state connected to the faucet body connecting pipe to which the present invention is applied

Hereinafter, the present invention will be described in detail through preferred embodiments. However, the present embodiments should be understood to explain the present invention so that the present invention can be better understood, and the terminology or words used should not be construed as limiting in a general or dictionary sense, and the inventors should consider their best invention. Based on the principle that the concept of the term can be properly defined in order to explain the method, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention, and it should not be understood that the present invention is limited thereto.

Example 1

As shown in Figure 1, the applicant's first application single lever faucet (1) is mainly installed in the sink or wash basin by adjusting the cartridge assembly installed in one open handle handles hot and cold water and controls the flow rate, but caught on one end Synthetic resin or engineered plastic made of a synthetic resin connecting pipe 10 forming the part 11 and the connecting pipe 10 is inserted into the locking portion seating groove 21 and caught and the cartridge assembly is seated thereon. It comprises a faucet body 20, and the upper cap 30 is screwed to the faucet body 20, the cartridge assembly and the engaging portion 11 of the connection pipe 10 by pressing.

The present invention devised to improve the applicant's prior application has the following technical features.

First, the engaging portion 11 of the connection pipe 10 is formed to be expanded to a predetermined length is enlarged than the outer periphery of the connection pipe (10). As the locking portion 11 is formed to be enlarged, it may be caught without being pulled out when it is seated in the locking portion seating groove 21 of the faucet body 20 as shown in FIG. 4. However, the connection pipe 10 is a hook 11 of the connection pipe 10 when the connection pipe 10 is strongly pulled from the bottom due to the nature of the material made of synthetic resin such as polybutylene, polyethylene or crosslinked-polyethylene ) Can be crushed inward and pulled out.

In order to prevent this, it is inserted into the inner side of the connection pipe 10 and is in close contact with the inner diameter provided with a locking part support tube 50 made of metal to support while pushing the locking portion 11 of the connection pipe 10 to the outside. It is done. In this embodiment, it is made of stainless steel (Stainless Steel), which is because of the advantages of having a hard hardness even if manufactured thin and harmless to the human body does not occur rust.

If the engaging portion support pipe 50 is pushed out from the inside of the locking portion 11 of the connecting pipe 10 to support, the plurality of O-ring 40 and the washer 41 is the locking portion of the connecting pipe (10) 11) It is in close contact with the outer surface while supporting the connecting pipe 10 pushed from the outside to the inside and at the same time is caught in the locking portion seating groove 21 of the faucet body 20 to limit the movement in the downward direction.

As shown in Figure 2, the engaging portion seating groove 21 formed in the faucet body 20 has a plurality of O-ring 40 and washer 41 on the outer peripheral surface of the engaging portion 11 of the connection pipe 10 It is formed to have the same inner diameter as the outer circumference of the O-ring 40 and the washer 41 so that it can be inserted after being combined, but the lower portion thereof is reduced in diameter so as to support the engaging portion 11 of the connecting pipe 10. do.

Therefore, the engaging portion support pipe 50 and the plurality of O-rings 40 and washers 41 are supported by the engaging portion 11 and the outer surface of the engaging portion 11 of the connecting pipe 10, and the engaging part 11 of the connecting pipe 10 is supported. ) To prevent collapse and dislocation.

In addition, the other end of the engaging portion support pipe 50 is bent outward to be engaged with the end of the engaging portion 11 of the connecting pipe 10 as shown in Figures 2 to 4 to form a bent portion (50c) connection pipe Closing the upper portion of the O-ring 40 and the washer 41 inserted in close contact with the outer peripheral surface of the engaging portion 11 of the 10 is formed to prevent loss.

In addition, the inserted inner end of the engaging support pipe 50 is provided with a wedge portion 50a which is formed to further extend a predetermined length after the shaft diameter is passed through the engaging portion 11 of the connection pipe 10, the engaging portion The portion connected from the body of the branch pipe 50 to the wedge portion 50a is formed to prevent the breakage of the connecting pipe 10 due to the sharp bending of the shape by forming an inclined portion 50b which is formed to be inclined at a predetermined angle, The shape of the locking portion 11 of the connection pipe 10 is prevented and supported.

In addition, the catching support tube 50 is preferably made of stainless steel, it will be apparent to those skilled in the art can be made of any metal that is not harmful to the human body.

In addition, the connecting pipe 10 is a polybutylene, polyethylene or crosslinked-polyethylene, using any one or two or more of the combination material, the connection pipe 10 of such material is about one week after molding After curing through the manufacture is prepared.

Therefore, the catching support tube 50 is inserted during the aging process after the injection of the connecting pipe 10 to be manufactured to be closely coupled while expanding the connecting pipe 10, the locking support pipe inside the connecting pipe 10 The insertion of the 50 may be easily and completely in close contact.

Reference numeral 3 is a support sleeve, 110 is a connecting pipe, 111 is a hook, 120 is a faucet body, 121 is a seating recess, 130 is an upper cap, 140 is an O-ring, 141 is a washer, 142 is a grip ring, 150 is Connection pipe, 155 is an intermediate pipe, 156 is an intermediate socket, 160 is an opening handle, 170 is a cartridge assembly, 172 is an O-ring coupling groove.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

<Description of the symbols for the main parts of the drawings>
1: single lever faucet 10: connection piping
11: hook portion 20: faucet body
21: engaging seat groove 40: O-ring
41: washer 50: hook support tube
50a: wedge portion 50b: inclined portion
50c: bend

Claims (6)

The cartridge assembly built into one opening handle controls the flow of cold and hot water, and controls the flow rate, but includes a synthetic resin connecting pipe which forms a catching part at one end, and the connecting pipe is caught after being inserted into the catch seating groove and the cartridge on the In a single lever faucet comprising a faucet body made of synthetic resin or engineer plastic on which an assembly is seated, and an upper cap screwed with the faucet body to squeeze and secure a latch portion of the cartridge assembly and the connection pipe.
The engaging portion 11 of the connection pipe 10 is formed to be expanded to a predetermined length by being expanded than the outer periphery;
The inner diameter of the locking portion seating groove 21 of the faucet body 20 is inserted into one or more O-rings 40 and the washer 41 in close contact with the outer diameter of the locking portion 11 of the connecting pipe. Formed to be enlarged as possible;
It is provided with a catching support pipe 50 is formed to be in close contact with the inner diameter of the engaging portion 11 of the connection pipe (10);
Single-lever faucet for cold and hot water and mixed water supply with a synthetic resin connection pipe having a rigid coupling structure, characterized in that the configuration. The method of claim 1,
The other end of the engaging portion support tube 50 is bent outwardly to be caught by the end of the engaging portion 11 of the connecting pipe 10 to form a bent portion 50c, but on the outer peripheral surface of the engaging portion 11 of the connecting pipe 10. Single lever faucet for supplying cold and hot water and mixed water with a synthetic resin connection pipe having a rigid coupling structure that is formed to prevent the loss of the O-ring 40 and the washer 41 inserted to be in close contact. The method of claim 2,
Insertion of the inner end of the engaging support tube 50 is securely coupled, characterized in that it has a wedge portion (50a) is formed so that a predetermined length is further extended after the shaft diameter is passed through the engaging portion 11 of the connection pipe (10) Single-lever faucet for supplying cold and hot water and mixed water with a synthetic resin connection pipe. The method of claim 3, wherein
The portion connected to the wedge portion 50a from the body of the locking portion support tube 50 forms an inclined portion 50b which is formed to be inclined at a predetermined angle so as to prevent breakage of the connecting pipe 10 due to sharp bending of the shape. Single-lever faucet for cold and hot water and mixed water supply with a synthetic resin connection pipe having a rigid coupling structure, characterized in that formed. The method according to any one of claims 1 to 4,
The catching support pipe 50 is a single lever faucet for supplying cold and hot water and mixed water with a synthetic resin connection pipe having a rigid coupling structure, characterized in that made of stainless steel. The method according to any one of claims 1 to 4,
The catching support pipe 50 is inserted during the aging process after the injection of the connecting pipe 10 is provided with a synthetic resin connection pipe having a rigid coupling structure, characterized in that it is manufactured to be tightly coupled while expanding the connection pipe 10. Single lever faucet for cold and hot water and mixed water supply.

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