JPS6312675B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a water purifier that uses a purification filter to purify raw water from a tap.

(B) Prior art In the past, there was a water purifier in which a guide pipe could be freely pulled out from the main body, and raw water was supplied when the guide pipe was pushed in, and purified water was supplied when the guide pipe was pulled out.However, with such a configuration, raw water was not required. If you shake the water purifier from side to side against the faucet many times when doing so, the guide pipe will automatically pull forward and purify water will be supplied, resulting in unnecessarily purified water being obtained. As a result, the purification ability of the purification filter quickly deteriorates, resulting in a disadvantage that the time for replacing the purification filter is brought forward.

(c) Purpose of the Invention Therefore, an object of the present invention is to prevent the guide pipe from being pulled out inadvertently even if the water purifier is swung from side to side to some extent.

(d) Structure of the Invention Therefore, the structure of the present invention is to form a hook part on the main body member, and form a locking groove on the guide pipe that engages and disengages with the hook part, so that accidental accidents caused by engagement of the two are formed. This prevents the guide pipe from being pulled out.

(e) Embodiment 1 is a hollow water purifier main body case, which includes a connecting member 3 connected to a water faucet 2, and a main body member 4 that is attached and detached by screwing into the connecting member 3.
and a knob member 5 disposed at the tip of the main body member 4.

The connecting member 3 has a cylindrical shape with one side open, and has a connecting screw 6 formed on the inner circumferential surface near the opening, and a mounting portion 8 on the top surface that is attachable to and detachable from the faucet 2 and has a raw water inlet 7. is forming. The mounting portion 8 projects inside the connecting member 3 and forms a hollow branch pipe 11 having a rear opening 9 and a front opening 10 at its lower end. and branch pipe 1
1 has a communication groove 1 continuous with the suction port 7 on the inner circumferential surface of the
2 is formed.

The main body member 4 has a hollow cylindrical shape, and has a mounting screw 1 screwed into the connecting screw 6 on the outer periphery of the rear part.
3 and a ring-shaped seal packing 14 is attached thereto, and a tightening part 16 with a tightening screw 15 formed thereon is formed protruding from the front part.

The knob member 5 is molded from synthetic resin such as ABS and has a chrome-plated surface, and has a connection opening 17 at the rear, a supply port 18 at the lower end of the front, and an approximately L-shaped hollow inside. The discharge pipe portion 19 is integrally formed so as to be double-layered as a whole. An arcuate bulge 20 is integrally formed at the lower part of the inner wall of the discharge pipe section 19 along the longitudinal direction. The surface of the bulging portion 20 is a flat curved surface with no inclination along the longitudinal direction, and the other inner wall of the discharge pipe portion 19 is formed in the connection opening 1.
It widens and slopes toward 7. Opposed screw holes 21 and 22 are formed at the lower end of the knob member 5 and the lower surface of the discharge pipe section 19, respectively, and a rectifying plate 23 is installed inside the supply port 18.

Reference numeral 25 denotes a guide pipe having a hollow straight tube shape and having a discharge hole 26 at its tip, and is inserted and fixed with a screw 27 so as to match the bulge 20 formed in the discharge pipe section 19 of the knob member 5. The guide pipe 25 is supported and slid by the tightening part 16 and the branch pipe 11, and has six raw water holes 30 in the circumferential direction that communicate with the suction port 7 in the rear part, and a purification hole in the middle part. Two holes 31 are bored. The total opening area of the purification holes 31 is smaller than the total opening area of the raw water holes 30. A first packing 32 and a second packing 33 are fixed on the upstream and downstream sides of the raw water hole 30 and are in pressure contact with the inner wall of the branch pipe 11 in a watertight manner. A third packing 34 is fixed to the distal end side of the guide pipe 25 and is pressed against the discharge pipe 19 in a watertight manner, and a locking groove 35 is formed around the outer periphery near the upstream side thereof. Two locking pins 36 are provided on the downstream side of the purification hole 31 to prevent the guide pipe 25 from coming off from the main body case 1.
It is installed.

38 is a cylindrical connecting member which is screwed and fixed to the tightening part 16 of the main body member 4, and the flange part 39 and the step part 4
0 and three hook parts 41 are integrally formed. The stepped portion 40 is normally covered by the knob member 5, and the hook portion 41 is connected to the locking groove 35 of the guide pipe 25.
It is possible to detach from it at will.

42 is a third packing inserted into the guide pipe 25 so as to be located between the connecting member 38 and the tightening part 16 of the main body member 4;
3 and 43. This stopper member 43 slides between the connection member 38 and the locking pin 36 together with the third gasket 42. In particular, the third gasket 42 is designed to prevent the raw water from stopping at the knob member 5.
to prevent it from leaking inside.

Reference numeral 45 denotes a cylindrical purification filter that is inserted through the guide pipe 25, and the inside is filled with activated carbon for removing limescale, mold, and chlorine from raw water, and elastic disks 46 having elasticity are provided at both ends of the filter. ，
46 is fixed.

According to this configuration, when the water is not used for drinking but only for washing tableware, the guide pipe 25 is drawn into the main body case 1 and the raw water hole 30 and the inlet 7 are opposed to each other, as shown in FIG. It is something that makes you At this time, the raw water supplied from the faucet 2 flows through the suction port 7, the communication groove 12, the raw water hole 30, and the guide pipe 25.
The water is supplied directly to the outside by passing through the supply port 18. During this direct supply of raw water, since the first packing 32 is pressed against the inner wall of the branch pipe 11, the raw water from the suction port 7 does not leak into the rear opening 9 of the branch pipe 11. If this first gasket 32 were not present, raw water would leak from the rear opening 9 to the purification filter 45 to the purification hole 31, and purified water would always be obtained even when purified water was not needed, resulting in increased wear and tear on the purification filter 45. This has the disadvantage of shortening the lifespan.

Also, when obtaining purified water for drinking, a second
This can be achieved by pulling out the knob member 5 as shown in the figure. Note that the guide pipe 25 is prevented from popping out by the locking pins 36, 36. Inlet port 7
The raw water from the rear opening 9 of the branch pipe 11 → the purification filter 45 → the purification hole 31 of the guide pipe 25 →
Passing through the inside of the guide pipe 25 → the supply port 18,
It is converted into purified water in the purification filter.

When obtaining this purified water, if the second gasket 33 is not present, the raw water from the rear opening 9 will pass through the purification filter 4.
5 to reach the purification hole 31.
More water flows into the raw water hole 30 through the gap between the guide pipe 25 and the branch pipe 11, and eventually a short circuit is formed and the purification filter 4 is sufficiently drained.
The unpurified raw water reaches the raw water hole 30 before being purified in step 5 and is supplied to the outside.

Even if the water faucet 50 is opened more than necessary to supply a large amount of raw water when obtaining purified water, the opening area of the purification hole 31 is smaller than the raw water hole 30, so the purification hole 31 can purify the water. The purification filter 45 controls the flow of water at a certain point and always maintains it in the optimum condition.
This allows raw water to pass through the inside.

Normally, the hook portion 41 of the connecting member 38 is connected to the locking groove 35.
Therefore, even if the main body case 1 is shaken from side to side in the raw water supply state, the knob member 5 will not be pulled out forward, so that the purified water supply state will not occur unnecessarily.

Moreover, since the knob member 5 has a double structure made of synthetic resin so as to have a discharge pipe portion 19 inside, there is no risk of burns from the knob member 5 even if it is connected to a water heater and hot water is supplied. There is no.

Moreover, when supplying purified water as shown in FIG. 2, the stepped portion 40 of the connecting member 38 is exposed.
This allows the user to visually see that purified water is being supplied.

(f) Effects of the invention Since the present invention is constructed as described above,
By locking the locking groove to the hook, the guide pipe is held in a state where raw water is supplied, and therefore, it is easy to swing the knob of the water purifier from side to side around the faucet while supplying raw water. The knob member is not pulled forward, and as a result, purified water is not inadvertently obtained when raw water is required, and a reduction in the purifying ability of the purifying filter can be prevented.

[Brief explanation of the drawing]

Fig. 1 is a schematic sectional view of the water purifier of the present invention, Fig. 2 is a schematic sectional view of the same in different usage conditions, Fig. 3 is an enlarged sectional view of the main part of Fig. 1, Fig. 4 is a bottom view of the same, and Fig. 5 is a schematic sectional view of the water purifier of the present invention. 6 is an enlarged view of the main part of the knob member, FIG. 6 is a front view thereof, FIG. 7 is an enlarged sectional view of the main part of FIG. 3, and FIG. 8 is a perspective view of the connecting member. 4... Main body member, 7... Inlet, 5... Knob member, 25... Guide pipe, 35... Locking groove, 4
1...Hatch part, 45...Purification filter.

Claims (1)

[Claims] 1. A main body member formed with an inlet communicating with a water faucet, a guide pipe provided inside the main body member so as to be freely drawn out so that its tip is exposed from the front, and a guide pipe provided on the outer periphery of the guide pipe. It consists of a purification filter and a knob member that is provided to communicate with the tip of the guide pipe and has a supply port, and a hook part is formed on the front surface of the main body member, and when the knob member is pushed in, A locking groove for locking is formed on the outer periphery of the guide pipe, and when the knob member is pushed in, the suction port and the guide pipe are directly communicated, and when the knob member is pulled out, the suction port is connected to the purification filter and the guide pipe. A water purifier characterized by communicating with.