JPH11293726A - Synthetic resin handle fixed structure of faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a synthetic resin handle fixed structure of a new faucet without being deformed by excessive fastening with a screw of a fastening part of a handle with the screw, and not causing looseness in the fastening with the screw even by using the faucet for a long period of time. SOLUTION: A faucet is equipped with a faucet main body 5 incorporating a cartridge 4 having at least a flow adjusting mechanism thereinto and a synthetic resin handle 8 screwed to a faucet bar 6 of the cartridge 4 projected from the faucet main body 5. A fitting hole 19 fitting the faucet bar 6 thereinto and an opening 20 facing the end face of the faucet bar 6 fitted into the fitting hole 19 are formed in a mounting section 17 of the handle 8 mounted to the faucet bar 6 in a state to cover the faucet bar 6. A metal bush 21 having the length equivalent to the depth of the opening is inserted into the opening 20. A screw 7 inserted into the bush 21 through a washer 22 is screwed in a screw hole 23 formed in the end face of the faucet bar 6. By the constitution, the handle 8 is screwed to the faucet bar 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin handle fixing structure for a faucet installed in a kitchen sink, bathroom, or the like.

[0002]

2. Description of the Related Art Conventionally, in a water faucet with a flow rate adjusting function provided in, for example, a kitchen sink, a cartridge having a flow rate adjusting mechanism is built in a faucet body, and a cartridge stick bar protruding from the faucet body is provided with a cartridge. As shown in FIG. 6, the synthetic resin handle 40 was tightened and fixed with a screw 41 or a screw with a washer (not shown).

[0003]

However, in the above configuration, the portion of the attachment portion of the synthetic resin handle 40 to the plug 42, which covers the end surface of the plug 42, is directly provided by the screw head or the washer is provided. If the tightening is excessive, the screw 4 of the synthetic resin handle 40
There is a problem in that the tightened portion due to No. 1 is deformed, and the screw 41 is loosened by long-term use.

The present invention relates to a novel water faucet synthetic resin handle fixing structure in which a portion of a handle tightened by a screw is not deformed by excessive screw tightening and the screw is not loosened even after a long use. The purpose is to provide.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a water faucet body containing a cartridge having at least a flow rate adjusting mechanism and a plug rod of the cartridge protruding from the water faucet body. In a water faucet provided with a synthetic resin handle to be stopped, a fitting hole for fitting the faucet rod is provided in a mounting portion of the handle which is attached to the faucet bar while covering the faucet bar, An opening facing the end face of the plug rod fitted in the hole is formed, a metal bush having a length corresponding to the opening depth is inserted into this opening, and a screw inserted into the bush via a washer is inserted into the plug. The handle is screwed to the stopper rod by screwing it into a screw hole formed in an end surface of the rod.

In another aspect, the present invention provides a water faucet body containing a cartridge having at least a flow rate adjusting mechanism, a synthetic resin handle screwed to a plug rod of the cartridge protruding from the water faucet body. In the faucet provided with, the handle of the handle attached to the tap rod while covering the tap rod, a fitting hole in which the tap rod fits, the plug fitted in this fitting hole An opening facing the end face of the rod is formed, and a metal bush of a length corresponding to the opening depth having a flange engaged with the outer rim of the opening is inserted into the opening, and the screw inserted into the bush is inserted. Is screwed into a screw hole formed in an end surface of the plug rod, whereby the handle is screwed to the plug rod.

[0007]

Embodiments of the present invention will be described below. Note that the present invention is not limited thereby.

FIG. 1 to FIG. 3 show a first embodiment of the present invention. 1 to 3, reference numeral 1 denotes a hot and cold water mixing faucet attached to, for example, a kitchen sink 2. The hot and cold water mixing faucet 1 is fixedly fastened to a faucet main body 5 having a built-in cartridge 4 having a flow rate / temperature adjusting mechanism 3 and a plug 6 of the cartridge 4 protruding from an upper end of the faucet main body 5 with a screw 7. And a lever type handle 8 made of synthetic resin.

The faucet main body 5 includes a water supply section 10 connected to a water supply pipe 9 and a hot water supply section 12 connected to a hot water supply pipe 11.
And a water outlet 13, and the flow rate / temperature adjusting mechanism 3 of the cartridge 4 adjusts the discharge amount from the water outlet 13, and also adjusts the mixing ratio of hot water supply and water supply, that is, water temperature. The plug 6 is a prismatic operation rod for operating the flow rate / temperature adjustment mechanism 3. A stopper rod support tube 14 is arranged in the cartridge 4 so as to be rotatable around a vertical axis. The stopper rod support tube 14 is provided with a horizontal shaft 15, and the stopper rod 6 is vertically attached to the horizontal shaft 15. It is rotatably mounted. Thus, when the stopper rod 6 is turned up and down, the discharge amount is adjusted, and when the stopper rod support cylinder 14 is turned around the longitudinal axis integrally with the stopper rod 6, the water temperature is adjusted.

The lever-type handle 8 made of synthetic resin has a lower half 16 in a hollow shape and a base end serving as an attachment portion 17 to the stopper rod 6. A lid 18 made of a synthetic resin is detachably provided on the upper surface side of the lower handle half 16, and by removing the lid 18, the inside of the lower handle half 16 is opened. A square fitting hole 19 into which the plug 6 is fitted is formed in the mounting portion 17 from the lower side to the upper side, and the upper surface of the mounting portion 17 is fitted in the fitting hole 19. A circular opening 20 facing the end face of the plug 6 is formed. The end face of the plug 6 has the fitting hole 1.
9 is inserted into the fitting hole 19 to a position almost abutting on the upper end surface of the upper end surface 9. A cylindrical metal bush 21 having a length corresponding to the opening depth is inserted into the opening 20. The screw 7 inserted into the bush 21 through the washer 22 is
It is screwed into a screw hole 23 formed on the end face of the plug 6. As a result, the mounting portion 17 of the handle 8 is fastened and fixed to the stopper rod 6. In this handle mounting state, the portion of the faucet body 5 from which the tap rod 6 projects is covered by the mounting portion 17 of the handle 8.

In the hot and cold water mixing faucet 1, the water discharge, the water stoppage and the discharge amount can be adjusted by rotating the lever type handle 8 up and down. Further, by operating the handle 8 right and left, it is possible to adjust the temperature of the discharged water.

According to the fixing structure of the handle 8, the metal bush 21 is interposed between the end face of the plug 6 and the washer 22, so that even if the screw 7 is excessively tightened, The portion covering the end face of the plug 6 at 17 does not deform. For this reason, the tightening of the handle 8 by the screw 7 is not loosened even after long-term use.

FIG. 4 shows a second embodiment of the present invention.
In this faucet 1, the washer 22 in the handle fixing structure of the previous embodiment is omitted, and instead of the bush 21, the outward flange 24a engaging with the outer rim of the opening 20 of the handle mounting portion 17 is used. Is used at the upper end. Other configurations are the same as those of the previous embodiment.

According to this handle fixing structure, the flange 24a of the metal bush 24 can be used as a substitute for the washer 22 in the above embodiment, so that the number of parts can be reduced. Even if the screw 7 is excessively tightened, the mounting portion 1 of the handle 8
7 that the portion covering the end face of the plug 6 is not deformed;
And even after long use, handle 8 with screw 7
Is not loosened as in the previous embodiment.

FIG. 5 shows a third embodiment of the present invention.
In this embodiment, the handle fixing structure in the first embodiment is applied to a two-valve hot / water mixing faucet. That is, the two-valve type hot / water mixing faucet is composed of a faucet main body containing a cartridge having a flow rate adjusting mechanism for water and a cartridge having a flow rate adjusting mechanism for hot water, and each plug rod of both cartridges projecting from the faucet main body. And a handle for hot water and a handle for hot water made of synthetic resin, respectively, which are screwed to each other.

FIG. 5 is an exploded perspective view showing one handle, for example, a knob-type handle 25 for water, and a part of a faucet main body 27 from which a stopper bar 26 of a cartridge corresponding to the handle 25 projects. is there. The knob-type handle 25 has a central portion serving as an attachment portion 28 for the plug bar 26, and a fitting hole (not shown) for fitting the plug bar 26 upward from the lower end. Plug rod 2 fitted in this fitting hole
An opening 20 facing the end face of the attachment 6 is formed on the upper surface side of the mounting portion 28. A cylindrical metal bush 21 having a length corresponding to the opening depth is inserted into the opening 20. The screw 7 inserted into the bush 21 via the washer 22 is
6 is screwed into a screw hole 23 formed on the end face. Thereby, the mounting portion 28 of the handle 25 is tightened and fixed to the stopper rod 26. In this handle mounting state, the portion of the faucet body 27 from which the plug bar 26 projects is covered by the mounting portion 28 of the handle 25.

In the case of this fixed structure of the handle, the screw 7 is also used.
Is excessively tightened, the mounting portion 28 of the handle 25 is
Does not deform the portion covering the end face of the stopper rod 26, and the tightening of the handle 25 by the screw 7 is not loosened due to long-term use.

In the embodiment shown in FIG.
May be omitted, and a metal bush 24 with a flange as in the embodiment of FIG. 4 may be used.

Further, in each of the above embodiments, the metal bushes 21 and 24 have a cylindrical shape, but may have a rectangular tube shape.

[0020]

As described above, according to the present invention, there is provided a water faucet body containing at least a cartridge having a flow rate adjusting mechanism, and a synthetic screw which is screwed to a plug rod of the cartridge protruding from the water faucet body. In a water faucet provided with a resin handle, the fitting portion of the handle, which is attached to the plug bar while covering the plug bar, has a fitting hole into which the plug bar is fitted, and a fitting hole fitted into the fitting hole. An opening facing the end face of the plug rod is formed, a metal bush having a length corresponding to the opening depth is inserted into this opening, and a screw inserted into the bush via a washer is inserted into the end face of the plug rod. Since the handle was screwed to the stopper rod by screwing it into the formed screw hole, a metal bush was interposed between the end surface of the stopper rod and the washer, and the screw was excessively tightened. Also handle mounting part It is not deformed portion covering the definitive closure rod end surface. Therefore, even after long-term use,
The screws do not loosen the handle.

In a water faucet having at least a faucet body containing a cartridge having at least a flow rate adjusting mechanism, and a synthetic resin handle screwed to a stopper rod of the cartridge protruding from the faucet body, The mounting portion of the handle attached to the plug bar while covering the plug bar has a fitting hole into which the plug bar is fitted, and an opening facing the end face of the plug bar fitted into the fitting hole. In this opening, a metal bush of a length corresponding to the depth of the opening having a flange engaged with the outer rim of the opening is inserted, and the screw inserted into this bush is formed on the end face of the stopper rod. Since the handle was screwed to the tapping rod by screwing it into the screw hole, a metal bush with a flange was interposed between the end face of the tapping rod and the head of the screw. Even if tightened It is not deformed portion covering the stopper rod end face of the bundle mount. For this reason, the handle is not loosened by the screw even after long-term use. Further, since the flange of the metal bush is used as a substitute for the washer, the number of parts can be reduced.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view showing a main part according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the handle in the embodiment.

FIG. 3 is an exploded perspective view of a handle fixing portion in the embodiment.

FIG. 4A is an enlarged sectional view showing a handle fixing portion according to a second embodiment of the present invention, and FIG. 4B is a perspective view of a bush used for the handle fixing portion.

FIG. 5 is an exploded perspective view of a handle fixing portion according to a third embodiment of the present invention.

FIG. 6 is a sectional view of a main part showing a conventional example.

[Explanation of symbols]

4 cartridge, 5 faucet body, 6 faucet rod, 7 screw, 8 lever lever-type handle, 17 handle mounting part, 1
9 ... fitting hole, 20 ... opening, 21 ... metal bush, 22
... washers, 23 ... screw holes, 24 ... metal bushes, 24a
... Flange, 25 ... Knob type handle, 26 ... Tap rod, 27
... Faucet body, 26 ... Handle mounting part

Claims (4)

[Claims] 1. A faucet comprising: a faucet main body containing a cartridge having at least a flow rate adjusting mechanism; and a synthetic resin handle screwed to a plug rod of the cartridge protruding from the faucet main body. In the mounting portion of the handle attached to the tap rod in a state where the tap rod is covered,
A fitting hole in which the plug is fitted and an opening facing the end face of the plug fitted in the fitting hole are formed, and a metal bush having a length corresponding to the opening depth is inserted into this opening. Wherein a screw inserted into the bush via a washer is screwed into a screw hole formed in an end surface of the plug rod, whereby the handle is screwed to the plug rod. Handle fixed structure. 2. A faucet comprising: a faucet main body containing a cartridge having at least a flow rate adjusting mechanism; and a synthetic resin handle screwed to a plug rod of the cartridge protruding from the faucet main body. In the mounting portion of the handle attached to the tap rod in a state where the tap rod is covered,
Forming a fitting hole into which the stopper rod fits, and an opening facing the end face of the stopper rod fitted into the fitting hole, the opening having a flange engaged with an outer rim of the opening. By inserting a metal bush having a length corresponding to the opening depth and screwing the screw inserted into this bush into a screw hole formed on the end face of the plug, the handle was screwed to the plug. A synthetic resin handle fixing structure for a faucet. 3. The water faucet includes a water faucet body containing one cartridge having a flow rate / temperature adjusting mechanism, and a synthetic resin lever screwed to a plug rod of the cartridge protruding from the water faucet body. The synthetic resin handle fixing structure for a faucet according to claim 1 or 2, further comprising a handle. 4. The water faucet includes a water faucet body containing a cartridge having a flow rate adjusting mechanism for water and a cartridge having a flow rate adjusting mechanism for hot water, and each plug bar of the two cartridges protruding from the water faucet body. 3. A synthetic resin handle fixing structure for a water faucet according to claim 1 or 2, further comprising a synthetic resin water handle and a hot water handle, each of which is screwed to the handle.