KR101017363B1 - Apparatus for connecting hose and outlet of small electric boiler - Google Patents

Abstract

The present invention relates to a discharge hole and a hose connection structure of a small electric boiler connecting the discharge port of the small electric boiler used in the hot water circulation mat and the hose embedded in the mat.

The discharge port and the hose connection structure of the small electric boiler according to the present invention is fitted to the mounting portion 21 of the first fitting member 20 in one end 11 of the hose 10 in an interference fit manner, the first fitting One end 11 and the second fitting member of the hose 10 in which the member 20 is fitted to the second fitting member 30 made of aluminum, and the mounting portion 21 of the first fitting member 20 is fitted. In a state in which the first sealing rubber ring 40 is disposed between 30 and the second sealing rubber ring 50 is mounted in the mounting groove 31 formed on the outer circumferential surface of the second fitting member 30, The second fitting member 30 is characterized in that the fitting is fixed to the discharge port 61 of the small electric boiler 60 by fitting fit.

Description

Discharge port and hose connection structure of small electric boiler {APPARATUS FOR CONNECTING HOSE AND OUTLET OF SMALL ELECTRIC BOILER}

The present invention relates to a discharge connection and a hose connection structure of a small electric boiler for connecting the discharge port of the small electric boiler used in the hot water circulation mat and the hose embedded in the mat, more specifically, to connect the hose to the discharge port of the small electric boiler easily. And it relates to the discharge port and the hose connection structure of the small electric boiler that can prevent the leakage occurs.

In the Republic of Korea Patent Application No. 10-2008-0008895 of the applicant "electric boiler" is introduced.

The electric boiler is divided into a steam chamber and a heating chamber by a diaphragm, the water of the heating chamber is supplied not only to the steam chamber through the hole formed in the diaphragm, but also the steam of the steam chamber is supplied to the heating chamber through the hole of the diaphragm. A check valve is mounted at the hot water outlet of the main body, and an electric heater is mounted on the main body so that the heat of the electric heater is supplied to the steam chamber and the heating chamber of the main body, and a water tank is disposed on the upper part of the main body so that the water in the water tank is supplied to the water supply unit. It is supplied to the heating chamber of the main body, and a floating valve is disposed in the water vent, and the hot water and pressure of the heating chamber are prevented from flowing back into the water tank by the floating valve.

However, the connection structure of the discharge port of the main body and the hose connected to the discharge port is not described in the electric boiler.

In addition, "Electric Boiler" is introduced in Korean Patent Application No. 10-2008-0070908 (filed Jul. 22, 2008) of the applicant.

However, the connection structure of the discharge port of the main body and the hose connected to the discharge port is not described in detail in the electric boiler.

Accordingly, an object of the present invention is that the first fitting member with the hose fitted to the second fitting member is caught in the stepped portion, and a sealing rubber ring is disposed between the first fitting member and the second fitting member to prevent the hot water from leaking. It is possible to provide a discharge connection and a hose connection structure of a small electric boiler which can be conveniently fitted in the discharge opening of the small electric boiler in a one-touch manner.

The discharge port and the hose connection structure of the small electric boiler according to the present invention for achieving the above object is fitted in the fitting portion of the first fitting member to the one end of the hose by fitting, the first fitting member is made of aluminum The first sealing rubber ring is disposed between the second fitting member and one end of the hose fitted with the second fitting member, the mounting portion of the first fitting member is fitted, the mounting groove formed on the outer peripheral surface of the second fitting member In the state in which the second sealing rubber ring is mounted, the second fitting member is fitted into the outlet of the small electric boiler in a fitting manner and is fixed.

The first fitting member includes a hollow portion penetrating the head portion and the mounting portion, a tapered inlet portion is formed in the head portion, and the mounting portion is integrally formed with the neck portion and a fitting guide portion integrally formed with the neck portion. It is configured, the rear end of the fitting guide is formed stepped with respect to the neck, characterized in that the outer diameter of the fitting guide is tapered so that the outer diameter becomes smaller toward the tip from the rear end of the fitting guide.

The second fitting member has a hollow portion, the hollow portion is divided into a first inner diameter portion and a second inner diameter portion by a step portion formed on an inner circumferential surface, and the head portion of the first fitting member fitted to the first inner diameter portion is disposed on the step portion. The first sealing rubber ring is characterized in that it is installed in close contact with the guide side.

Assembly process of the outlet and the hose connection structure of the small electric boiler according to the present invention

The hose is inserted into the hollow portion of the second fitting member, and the second fitting member is disposed in the hose,

The first sealing rubber ring is fitted to the hose, the first sealing rubber ring is disposed on the outer circumference of the hose,

The mounting portion of the first fitting member is fitted to one end of the hose,

The first sealing rubber ring fitted to the hose is pushed toward the first fitting member so that the first sealing rubber ring fitted to the hose is disposed behind the head of the first fitting member,

The second fitting member fitted to the hose is pushed toward the first fitting member so that the head portion of the first fitting member is fitted to the first inner diameter portion of the second fitting member,

And the second fitting member is assembled in an order of being fitted into and fixed to the discharge port of the small electric boiler.

Thus, the discharge port and the hose connecting structure of the small electric boiler according to the present invention, by fitting the second fitting member to the discharge port of the small electric boiler in a one-touch manner, the hose can be easily connected to the discharge port, the first fitting member is 2 There is an effect that can be prevented from leaking between the first fitting member and the second fitting member by the first sealing rubber ring without being separated from the fitting member.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 and 2, the outlet and the hose connection structure of the small electric boiler according to the present invention is fitted to the mounting portion 21 of the first fitting member 20 to one end 11 of the hose (10). One end of the hose 10, which is fitted in a manner, wherein the first fitting member 20 is fitted to the second fitting member 30 made of aluminum, and the mounting portion 21 of the first fitting member 20 is fitted. The first sealing rubber ring 40 is disposed between the first fitting member 30 and the second fitting member 30, and the second sealing rubber ring is mounted on the mounting groove 31 formed on the outer circumferential surface of the second fitting member 30. In the state where the 50 is mounted, the second fitting member 30 is fitted into the discharge port 61 of the small electric boiler 60 in a fitting manner and fixed.

Referring to FIG. 3, the first fitting member 20 has a hollow portion 26 penetrating through the head portion 25 and the mounting portion 21, and an inlet 25a tapered to the head portion 25 is formed. Is formed, the mounting portion 21 is composed of a neck portion 22 which is integrally connected to the head portion 25 and the fitting guide portion 23 formed integrally with the neck portion, the rear end of the fitting guide portion 23 The outer diameter of the fitting guide 23 is formed so that 23a is stepped with respect to the neck portion 22, and the outer diameter becomes smaller from the rear end 23a of the fitting guide 23 to the tip 23b. Tapered.

The first fitting member 20 configured as described above has a tapered outer diameter of the fitting guide 23, so that an operator can easily fit one end of the hose 10, and one end of the hose 10 may be As it extends during passage through the fitting guide 23 and contracts at the neck 22, one end 11 of the hose 10 is formed stepwise relative to the neck 22 of the fitting guide 23. The first sealing rubber ring 40, which is caught by the rear end 23a and fitted into the hose 10, is disposed around the neck 22 (see FIG. 8).

Referring to FIG. 4, the second fitting member 30 includes a hollow portion 32, and the hollow portion 32 is formed by the step portion 33 formed on the inner circumferential surface of the second fitting member 30. The first sealing rubber ring 40 is guided to the step portion 33 of the head portion 25 of the first fitting member 20, which is divided into the inner diameter portion 35 and fitted to the first inner diameter portion 34. It is installed to be in close contact with one side.

An assembly process of the outlet and the hose connection structure of the small electric boiler according to the present invention configured as described above will be described with reference to FIGS.

First, as shown in FIG. 5, the hose 10 is inserted into the hollow part 32 of the second fitting member 30, the second fitting member 30 is disposed on the hose 10, and the first sealing is performed. The rubber ring 40 for sealing is fitted to the hose 10, and the 1st sealing rubber ring 40 is arrange | positioned at the outer peripheral part of the hose 10. As shown in FIG.

5 and 6, the mounting portion 21 of the first fitting member 20 is inserted into one end of the hose 10. At this time, one end 11 of the hose 10 is expanded while passing through the fitting guide 23 and then contracted in the neck 23, so that the hose 10 is formed stepped with respect to the neck 22 The rear end of the fitting guide 23 is caught.

Thereafter, as shown in FIG. 6, the first sealing rubber ring 40 fitted to the hose 10 is pushed toward the first fitting member 20 to push the first sealing rubber ring 40 to the first fitting. It is arrange | positioned behind the head part 25 of the member 20.

Subsequently, as shown in FIG. 7, the head fitting 25 of the first fitting member 20 is pushed toward the first fitting member 20 by pushing the second fitting member 30 fitted to the hose 10 toward the second fitting. It fits in the 1st inner diameter part 34 of the member 30. FIG. At this time, the hose 10 and the second fitting member 30 are sealed by the first sealing rubber ring 40.

Subsequently, as shown in FIG. 8, the second fitting member 30 is inserted into the discharge port 61 of the small electric boiler 60 in an interference fit manner and fixed thereto. At this time, the second sealing rubber ring 50 is disposed between the second fitting member 30 and the discharge port 61 of the small electric boiler, and between the second fitting member 30 and the discharge port 61 of the small electric boiler. Seal it.

The discharge port and the hose connection structure of the small electric boiler according to the present invention assembled as described above acts as follows.

When the second fitting member 30 is made of an aluminum material such as the discharge port 61 of the small electric boiler, when the discharge port 61 receives heat or shrinks, the second fitting member 30 also has the same thermal expansion rate and heat as the discharge port. Since it has a shrinkage rate, a gap does not occur between the discharge port 61 and the second fitting member 30 due to thermal expansion and contraction of the discharge port 61, and thermal expansion of the second sealing rubber ring 50 is performed by the second sealing member. Since it is larger than the thermal expansion degree of the fitting member 30, it is possible to prevent the hot water leaks between the second fitting member 30 and the discharge port 61, the hot water is discharged through the discharge port 61 of the small electric boiler 60 When the first fitting material 20 is fitted to the first inner diameter portion 34 of the second fitting material 30, the first fitting material 20 is caught by the stepped portion 33 by the pressure of hot water. The first fitting is prevented from coming off from the second fitting material 30 and is thermally expanded by the first sealing rubber ring 40. From being leaked between the material 20 and the second fitting material 30 is prevented.

The discharge port and the hose connection structure of the small electric boiler according to the present invention to act as described above to fit the second fitting member 30 combined with the first fitting member 20 to the discharge port 61 of the small electric boiler in a one-touch manner. It is easy to connect the hose, it is possible to prevent leakage as described above, and the hot water discharge pressure at the discharge port receives the head portion of the first fitting member, the discharge pressure of the hot water is not transmitted directly to the hose Therefore, the hose can be prevented from coming off by the discharge pressure of the hot water.

1 is an exploded perspective view showing a discharge port and a hose connection structure of a small electric boiler according to the present invention;

Figure 2 is an exploded cross-sectional view showing the discharge port and the hose connection structure of the small electric boiler according to the invention

3 is a cross-sectional view illustrating the first fitting member of FIGS. 1 and 2.

4 is a cross-sectional view of the second fitting member of FIGS. 1 and 2.

5 to 8 is an assembly process drawing showing the discharge port and the hose connection structure of the small electric boiler according to the present invention

Claims (4)

The mounting portion 21 of the first fitting member 20 is fitted to the one end 11 of the hose 10 in a fitting manner, and the first fitting member 20 is made of an aluminum material. The first sealing rubber ring 40 is inserted between the one end 11 and the second fitting member 30 of the hose 10, which is fitted into the valve 30 and the mounting portion 21 of the first fitting member 20 is fitted. The second fitting member 30 is disposed in the mounting groove 31 formed on the outer circumferential surface of the second fitting member 30, and the second fitting member 30 is a small electric boiler 60. The discharge port and the hose connection structure of the small electric boiler, characterized in that the fitting is fixed to the discharge port 61 of the fitting. The method of claim 1, The first fitting member 20 has a hollow portion 26 penetrating through the head portion 25 and the mounting portion 21, a tapered inlet 25a is formed in the head portion 25, the mounting portion ( 21 is composed of a neck 22 which is integrally connected to the head 25 and the fitting guide 23 formed integrally with the neck, the rear end 23a of the fitting guide 23 is a neck ( 22 is formed to be stepped, and the outer diameter of the fitting guide 23 is tapered so that the outer diameter decreases from the rear end 23a of the fitting guide 23 to the tip 23b. The outlet and hose connection structure of a small electric boiler. The method of claim 1, The second fitting member 30 has a hollow portion 32 formed therein, and the hollow portion 32 is formed into the first inner diameter portion 34 and the second inner diameter portion 35 by the step portion 33 formed on the inner circumferential surface thereof. The head portion 25 of the first fitting member 20 fitted to the first inner diameter portion 34, which is divided, is installed to be in close contact with one side where the first sealing rubber ring 40 is guided to the step portion 33. Discharge port and hose connection structure of a small electric boiler characterized in that. The hose 10 is fitted into the hollow portion 32 of the second fitting member 30, and the second fitting member 30 is disposed on the hose 10. The first sealing rubber ring 40 is fitted to the hose 10, the first sealing rubber ring 40 is disposed on the outer peripheral portion of the hose 10, The mounting portion 21 of the first fitting member 20 is fitted to one end of the hose 10, The first sealing rubber ring 40 fitted to the hose 10 is pushed toward the first fitting member 20 so that the first sealing rubber ring 40 fitted to the hose is attached to the head portion of the first fitting member 20. 25) placed behind, The second fitting member 30 fitted in the hose 10 is pushed toward the first fitting member 20 so that the head portion 25 of the first fitting member 20 is the first inner diameter portion of the second fitting member 30. Fitted with 34, Discharge port and hose connection structure of the small electric boiler, characterized in that the second fitting member 30 is assembled in the order of being fitted and fixed to the discharge opening (61) of the small electric boiler (60).

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