JP2518388Y2 - Water purifier - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier that is connected to a faucet of a water supply and guides water into an internal filter cylinder for treatment.

[0002]

2. Description of the Related Art As a conventional water purifier, there is a water purifier having a structure in which a cap having a water passage hole is fixed to a water outlet provided in a hollow case with a screw. A ring-shaped packing is provided on the outer periphery of the bottom surface of the cap, and a watertight structure is provided between the hollow case and the cap by this packing.

[0003]

However, in this type of water purifier, when the cap is screwed into the outlet of the hollow case, if the cap is tightened too much, the packing will be deformed and the position will shift from the proper position, resulting in a hollow There is a problem that a watertight structure is not formed between the case and the cap and water leakage occurs. The present invention has been made in view of the above problems, and supports the packing on the bottom surface of the cap to prevent displacement of the packing due to tightening of the cap, thereby preventing water leakage. The purpose is to provide a container.

[0004]

A water purifier according to the present invention has a water inlet and a water outlet, and a net is provided on the outer peripheral surface of the water outlet.
It has a case with a jersey part , a cylindrical peripheral wall and a water passage.
And a bottom wall portion integrally formed with the inner wall surface of the peripheral wall portion.
A cap formed with a screw portion of the case and a screw portion for screwing, and a ring-shaped packing that is provided on the outer peripheral portion of the bottom wall portion in the cap and forms a watertight structure between the opening end face of the outlet and the cap. And a packing inside the installation position of the packing on the bottom wall part in the cap.
It has a structure in which a supporting wall that makes one round to support the inner peripheral surface of the groove is integrally formed.

[0005]

[Operation] One round is integrally formed on the bottom wall in the cap
That after mounting as fitting the packing the outside of the support wall, when it screwed the cap to the case, packings
The outer peripheral surface of the packing is supported by the peripheral wall portion, and the inner peripheral surface of the packing is
Since the is supported by the support wall, the displacement of the packing due to the tightening force is prevented. Therefore, a watertight structure is formed between the case and the cap, and there is no risk of water leakage.

[0006]

1 and 2 show the structure of a water purifier according to an embodiment of the present invention. The water purifier 1 of this embodiment has a structure in which a filter cylinder 3 is installed inside a case 2 made of synthetic resin in a freely attachable / detachable manner.

The case 2 has a switching section 4 for selecting whether to take in the water to be treated and to carry out the treatment, or to let the water flow out to the outside without treatment, and the water treatment by the filtering cylinder 3. And part 5. The switching unit 4 and the water treatment unit 5 are connected by a communication passage 6, and a communication port 7 is connected to the water treatment unit 5.
Water flows in from.

The switching unit 4 is provided with an inflow port 8 for inflowing water to be treated and an outflow port 9 for outflowing the water as it is without sending it to the water treatment unit 5, for switching the water path inside. The valve body 10 is provided.

The inflow port 8 is a part that is connected to a faucet of water and flows in water into the case 2. The inflow port 8 is provided with a screw portion for fixing the mounting nut 11 to the outer peripheral surface, which is not shown here. . At the time of connection, the mounting nut 11 is passed through the faucet pipe 12, a ring-shaped adapter (not shown) is attached to the tip of the pipe 12, the adapter is inserted into the inlet 8, and then the mounting nut 11 is fitted onto the adapter. It is screwed to the threaded portion of the inflow port 8.

As shown in FIG. 3, a screw portion 13 is provided on the outer peripheral surface of the outflow port 9 of the case 2, and the screw portion 1 is provided.
A cap 15 made of synthetic resin is fixed to 3 by screws. A ring-shaped rubber packing 16 is interposed between the opening end surface of the outlet 9 and the cap 15 to form a watertight structure.

The cap 15 has a cylindrical peripheral wall portion 37 and a bottom wall portion 38 which are integrally formed.
A threaded portion 39 that is screwed into the threaded portion 13 on the outer peripheral surface of the outlet 9 is formed on the inner peripheral surface of the.

The packing 16 is disposed on the outer peripheral portion of the bottom wall portion 38 in the cap 15, and the bottom wall portion 3
8 packing 16 inside the installation position , packing
A supporting wall 40 that makes one round to support the inner circumferential surface of the packing 16 is integrally formed at a height that is approximately half the thickness of the packing 16.
The bottom wall portion 38 is provided with a plurality of water passage holes 14,
The water that has passed through the water passage holes 14 flows out like a shower.

The water flowing in through the inflow port 8 is not treated and flows out through the water passage hole 14 or the first water flow path a in FIG. Follow either path of the second water flow path b sent to.

The switching of the path is performed by the valve body 10 provided in the switching section 4. The valve body 10 is shown in FIG.
As shown in FIG. 5 and FIG. 5, the operating portion 17 and the valve shaft 18 are provided, and the operating portion 17 is provided with a handle 19.
The valve shaft 18 is provided with a water passage 20 penetrating in the radial direction and a guide groove 21 having a notched peripheral surface at an angle of 90 degrees as shown in FIG. In the state where the handle 19 is located at the upper side, the water passage 20 is vertically arranged to communicate the inflow port 8 and the outflow port 9, and the water flows through the first water flow path a.
Through the outlet 9. On the other hand, handle 1
When 9 is rotated 90 degrees, the groove opening of the guide groove 21 faces upward and faces the inflow port 8, so that the guide groove 21 communicates with the communication passage 6 and water passes through the second water flow path b. And flows to the water treatment unit 5.

The hollow case 2 has an upper surface opening 31 for fitting and supporting the lower portion of the filtering cylinder 3, and the lower end of the cylindrical cap 22 is provided on the inner peripheral surface of the opening edge of the upper surface opening 31. The screw portion 23 for screwing the screw portion 32 of the portion is formed. A conical portion 33 is formed inside the upper surface opening 31, and an outlet 24 through which treated water flows out is opened at the lower end of the conical portion 33.

In the figure, reference numerals 25 and 26 denote rubber packings provided inside the upper opening 31, and one rubber packing 25 is provided between the hollow case 2 and the tubular case 22 and the other rubber packing is provided. Reference numeral 26 seals the space between the hollow case 2 and the filter cylinder 3 in a watertight state. The cylindrical cap 22 is made of synthetic resin, and a transparent window 36 through which the inside can be seen is provided on the upper end surface thereof.

A circulation passage 28 is formed between the filtration cylinder 3 and the hollow case 2 and extends from the communication port 7 to the water treatment section 5.
The water that has entered is guided from the lower part to the upper part while circulating in the circulation passage 28. The upper end of the filter cylinder 3 has a water intake port 29,
The lower end is a water outlet 30, and the water reaching the upper end of the filter cylinder 3 is taken into the inside of the filter cylinder 3 from the water intake 29 and treated, and the treated water is taken out. It exits through the outlet 30 and flows out through the outlet 24.

The filtration cylinder 3 has a structure in which a water treatment material composed of a plurality of layers is filled in the inside of a cylindrical case, and the water intake port 29 and the water intake port 30 are closed by a filter such as a nonwoven fabric. There is. By checking the filter of the water intake port 29 through the see-through window 36, it is possible to judge the degree of wear and the degree of contamination of the filter cylinder 3.

Then, a cap is attached to the outlet 9 of the case 2.
In order to attach 15,Go aroundsupport
Take the packing 16 by fitting it onto the outside of the wall 40.
After attaching, the screw portion 39 of the peripheral wall portion 37 of the cap 15 is attached.
Tighten by screwing into the screw part 13 of the case 2. This and
The packing 16 is provided with the cap 15 and the opening end surface of the outflow port 9.
It is pinched between the bottom wall 38 of thePacking 16
IsThe outer peripheral surface is supported by the peripheral wall portion 37, and the inner peripheral surface is supported.
Supported by the wall 40Misalignment is prevented
Therefore, it is simply elastically deformed and does not move.
As a result, the packing 16 and the opening end surface of the outflow port 9 and the cap
A completely watertight structure is formed between the bottom wall portion 38 of the cup 15 and
There is no risk of water leakage.

[0020]

[Effects of the Invention] As described above, this invention has a bottom inside the cap.
A ring-shaped packing is placed on the outer periphery of the wall, and
The inner surface of the packing is supported inside the
The supporting wall that goes around for holding is formed integrally with the bottom wall part
The outer peripheral surface of the packing is
On the peripheral surface supporting wall, are supported respectively, is prevented positional deviation of the packing by tightening force of the cap, between the opening end surface and the cap outlet becomes a perfect watertight, the occurrence of water leakage It has a remarkable result that the object of the invention is achieved, such as prevention.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a configuration of a water purifier according to an embodiment of the present invention.

FIG. 2 is a partially cutaway front view of a water purifier according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a mounted state of a cap.

FIG. 4 is a cross-sectional view in which a valve body of a switching unit in the water purifier is partially broken.

FIG. 5 is a sectional view taken along line AA of FIG. 4;

[Explanation of symbols]

 1 Water purifier 2 Case 8 Inlet 9 Outlet 15 Cap 16 Packing 40 Support wall

Claims (1)

(57) [Scope of utility model registration request] 1. An outlet having a water inlet and a water outlet.
And to case the threaded portion formed on an outer peripheral surface of a cylindrical peripheral wall
Part and a bottom wall part having a water passage hole are integrally provided
The inner peripheral surface is formed with a screw part that is screwed with the screw part of the case.
And Kyatsupu that is, deployed on an outer peripheral portion of the bottom wall portion of the cap
Is provided with a ring-shaped packing formed by the watertight structure between the opening end surface and the cap of the outlet, on the bottom wall of the said cap, the inside of the installation position of the packing of the packing One for supporting the peripheral surface
A water purifier that is integrally formed with a surrounding support wall.