JP3602358B2 - Faucet handle - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a faucet handle, and more particularly, to a double tubular structure of a cylindrical outer cylindrical member with a ceiling portion forming a handle cover, and a cylindrical inner cylindrical member with a ceiling portion forming a handle body. The present invention relates to a faucet handle.
[0002]
Problems to be solved by the prior art and the invention
As a faucet handle, a handle as shown in FIG. 6 is conventionally known.
This faucet handle has a serrated portion 200 on the inner peripheral side, and the serrated portion 200 has a spindle-shaped coupling portion 202 that engages with a serrated portion of a spindle. The display ring 206 is assembled in an elastic fitting state, and a predetermined display such as a temperature display is performed by the display ring 206.
[0003]
In the case of the faucet handle of this embodiment, since the handle body 204 directly engages with the spindle to transmit the operating force, that is, torque, the thickness of the handle body is set to a certain thickness or more to secure the strength. It is necessary to.
[0004]
However, when the thickness of the handle body 204 is increased, the shrinkage becomes large when the handle body 204 is formed into a resin molded product. There is a problem that the contraction is conspicuous and the appearance is deteriorated.
[0005]
On the other hand, as a faucet handle, as shown in FIG. 7, the handle main body 212 is formed by a cylindrical inner cylinder member having a ceiling 208 and an annular display section 210 at a base end opposite to the ceiling 208. A handle cover 216 is formed of a cylindrical outer cylindrical member with a ceiling portion 214, assembled with the peripheral wall portion in a fitted state, and a serration portion 218 formed on the outer peripheral surface and the inner peripheral surface of the peripheral wall portion. There is known a configuration in which the rotational force is transmitted at 220 and the handle cover 216 is prevented from coming off by the frictional force between the O-ring 222 mounted on the O-ring groove of the handle main body 212 and the handle cover 216.
[0006]
In the case of the faucet handle of this embodiment, the thickness of the handle cover 216 can be reduced, and the appearance of the handle cover 216 can be prevented from being deteriorated due to the increase in the thickness. In addition to this, there is a problem that the O-ring 222 is required as a separate member for fixing.
[0007]
In addition, in the case of the faucet handle of this embodiment, since the O-ring 222 needs to be attached to the peripheral wall portion of the handle body 212, the outer diameter of the handle body 212 and thus the outer diameter of the handle cover 216 are increased. However, there is a problem that the handle becomes large.
[0008]
In addition, in the case of the faucet handle shown in FIG. 7, since the handle cover 216 is prevented from coming off by the frictional force with the O-ring 222, the resistance to the coming off is small. There is a problem that the handle body 212 may come off.
[0009]
[Means for Solving the Problems]
The invention of the present application has been made to solve such a problem.
According to a first aspect of the present invention, there is provided a water faucet handle comprising a double-walled cylindrical outer cylindrical member having a ceiling portion constituting a handle cover and a cylindrical inner cylindrical member having a ceiling portion constituting a handle body. No structure, they are fixed by Ri fastened securely in a direction to the fixing means in each of the ceiling portion in a state where mated together, and the fixing means from the outer surface and the outer peripheral portion of the ceiling portion of the inner tube member An engaging protrusion protruding in the axial direction, and an engaging recess formed on the inner surface and the outer peripheral portion of the ceiling portion of the outer tubular member corresponding to the engaging protrusion, the engaging recess engaging the engaging protrusion. And the outer cylinder member and the inner cylinder member are also fixed in the rotation direction by the engagement projections and the engagement recesses, and the operating force in the rotation direction applied to the outer cylinder member is reduced. It is characterized in that it is transmitted to the inner cylinder member .
[0010]
The faucet handle according to claim 2 is the faucet handle according to claim 1 , wherein the fixing means includes a ceiling portion of the inner cylinder member on an inner peripheral side of the engaging protrusion and the engaging recess. It is characterized by having an engaging claw protruding from one of the ceiling portions of the outer cylinder member and an engaged portion formed on the other.
[0011]
The faucet handle according to claim 3 is the faucet handle according to any one of claims 1 and 2 , wherein the inner cylinder member has a display portion at a base, and the display portion is the outer cylinder member. It is characterized by being more exposed to the outside.
[0012]
[Action and effect of the invention]
As described above, the water faucet handle of the first aspect is such that the cylindrical outer cylindrical member with the ceiling portion forming the handle cover and the cylindrical inner cylindrical member with the ceiling portion forming the handle main body are fitted to each other. In the case of this faucet handle, a water cover of the form shown in FIG. 7 in which the handle cover and the handle main body are fixed by the peripheral wall portion is provided. Unlike the stopper handle, there is no problem that the outer diameter of the handle is increased due to the fixation at the peripheral wall.
[0013]
In the present invention, the fixing means also fixes the outer cylinder member and the inner cylinder member in the rotational direction, and in this case, the rotational force is transmitted as in the faucet handle shown in FIG. Therefore, it is not necessary to provide a fixing portion for transmitting a rotational force such as a serration portion on the peripheral wall portion between the outer cylinder member and the inner cylinder member.
[0014]
In the present invention, the fixing means may include an engaging claw protruding from one of the ceiling portion of the inner cylinder member and the ceiling portion of the outer cylinder member, and an engaged portion formed on the other. (Claim 2 ).
With this configuration, the inner cylinder member and the outer cylinder member can be easily fixed, and the inner cylinder member and the handle constituting the handle main body based on the engagement between the engaging claw and the engaged portion. The outer cylindrical member constituting the cover can be firmly fixed in the removal direction.
[0015]
Here, the engaging claw can be formed integrally with one of the ceiling portions of the inner cylinder member and the outer cylinder member.
In this way, the number of components can be reduced and the number of assembling steps can be reduced as compared with the case where the engaging claws are provided as separate members.
[0016]
The inner tubular member is no to have the display unit to the base can be an outer cylindrical member and the assembled state in a state where the display unit is exposed to the outside from the outer tube member (claim 3).
[0017]
【Example】
Next, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a hot-water mixing faucet as an example of a faucet to which the present invention is applied. In the drawing, reference numeral 10 denotes a faucet main body, which is attached to a wall surface W via a pair of attachment legs 12.
A water discharge pipe 14 having a water discharge port 13 at its tip extends forward from the faucet body 10, and a connection port 18 of a shower hose 16 extends rearward.
[0018]
Reference numeral 20 denotes a temperature control handle (temperature control handle) as a faucet handle according to one embodiment of the present invention, and 22 switches the water discharge from the water discharge port 13 to the water discharge from the shower head or vice versa. , And a switching handle for stopping water.
[0019]
2 to 5 specifically show the structure of the temperature control handle 20. FIG.
As shown in FIG. 3, the temperature control handle 20 includes a cylindrical resin handle body (inner cylindrical member) 26 having a ceiling portion 24 and a cylindrical resin handle cover (also having a ceiling portion 28). The outer cylinder member 30 has a double cylinder structure.
Here, the outer surface of the handle cover 30 is plated.
[0020]
The handle main body 26 has a base end portion of a peripheral wall portion 31 formed as an annular display portion 32, and the display portion 32 is exposed from the handle cover 30, and has a surface as shown in FIG. 2. Is provided with a temperature display 34.
[0021]
A cylindrical connecting portion 36 is formed integrally with the handle main body 26 inside the peripheral wall portion 31, and the connecting portion 36 is formed into a ring-shaped serration member 42 at a serration portion 38 formed on the inner peripheral surface at the lower end portion. , Is rotationally connected to a spindle 40 serving as a temperature control action section.
[0022]
Specifically, the serration portion 38 of the coupling portion 36 is meshed with the serration portion 44 on the outer peripheral surface of the spindle 42 via a ring-shaped serration member 42 having serration portions formed on the inner peripheral surface and the outer peripheral surface. The rotational force of 26 is transmitted to the spindle 40 via the serration member 42.
[0023]
The handle body 26 is further formed integrally with a small-diameter cylindrical portion 46 inside the coupling portion 36. The bottom portion is in downward contact with the ring-shaped serration member 42 and the stepped portion 48 of the spindle 40. The fitting amount of the handle main body 26 is defined by its contact action.
[0024]
An elastic claw 50 rises upward from the bottom of the cylindrical portion 46.
Here, the elastic claws 50 are formed at four locations at 90 ° intervals in the circumferential direction as shown in FIG. 4, and press the spherical portions 52 at the end of the spindle 40 from below in FIG. Is engaged with the spherical portion 52. The handle main body 26 is prevented from coming off the spindle 40 by the engaging action between the spherical portion 52 and the elastic claw 50.
[0025]
An engaging claw 54 which forms a part of the fixing means and has elasticity in a radial direction is formed integrally with the handle main body 26 so as to stand upward from the ceiling 24. The engaging claws 54 are formed at four locations at 90 ° intervals in the circumferential direction.
[0026]
On the other hand, the handle cover 30 as the outer cylinder member has a cylindrical peripheral wall portion 56 and is fitted to the handle body 26 in an externally fitted state.
[0027]
The handle cover 30 is provided with a concave portion 58 in the ceiling portion 28, and a part of the fixing means is provided at the bottom of the concave portion 58 and at a position corresponding to the engaging claw 54 in the handle main body 26. The engaging grooves 62 formed are provided at four locations at 90 ° intervals in the circumferential direction, and the engaging grooves 62 are elastically engaged with the engaging claws 54.
[0028]
The engagement claw 54 and the engagement groove 62 are engaged with each other in the direction in which the handle cover 32 is pulled out, and are also engaged with each other in the rotation direction. The handle cover 30 is prevented from coming off based on the engagement with the handle cover 30, and the operating force applied to the handle cover 30 is transmitted to the handle main body 26.
[0029]
As shown in FIGS. 3 (B), 4 and 5, the handle cover 30 has two engaging recesses 64 at 180 ° intervals in the circumferential direction. An engaging projection 66 protruding from the ceiling 24 is engaged, and the operating force applied to the handle cover 30 is transmitted to the handle main body 26 also in the engaging recess 64 and the engaging projection 66. It has become. That is, in this example, the engaging concave portion 64 and the engaging convex portion 66 form a part of a fixing means for fixing the handle cover 30 and the handle main body 26 in the rotation direction.
[0030]
The handle body 26 is integrally formed with a U-shaped protrusion 68 projecting upward and radially outward in the drawing in a form continuous with the display portion 32, and the protrusion 68 is provided with a handle cover. The fitting is fitted into the corresponding U-shaped cutout 70 formed in the handle 30, and the rotational force applied to the handle cover 30 is transmitted to the handle main body 26 also by the protrusion 68 and the cutout 70.
[0031]
In the handle body 26, a through hole 72 is formed at the position of the protrusion 68 so as to penetrate the protrusion in the thickness direction, and a safety button 74 is fitted and mounted therein.
The safety button 74 regulates rotation to a high temperature side at a fixed position, is mounted so as to be able to be pushed in the radial direction with respect to the handle main body 26, and releases the rotation regulation under the pushed state. ing.
The safety button 74 is constantly urged in a protruding direction by a spring 76 incorporated inside the handle.
[0032]
A cap 78 is attached to the handle body 26 and the handle cover 30 so as to straddle them.
The cap 78 has a disk-shaped main body 80, and the main body 80 is incorporated into the recess 58 of the ceiling 28 in the handle cover 30.
[0033]
The cap 78 has a cylindrical leg 82 protruding from the main body 80, and the leg 82 is fitted on the inner peripheral surface of the cylindrical portion 46 of the handle main body 26. The leg 82 is also fitted to the inner surface of the engaging claw 54, thereby preventing the engaging claw 54 from being deformed in the centripetal direction.
[0034]
The leg portion 82 is also fitted to the outer peripheral surface of the elastic claw 50 that engages with the spherical portion 52 of the spindle 40 to prevent the elastic claw 50 from coming off, thereby preventing the elastic claw 50 from deforming outward in the radial direction. It is blocking. That is, the cap 78 of this example has a function as a lock member for preventing the handle cover 30 from coming off from the handle main body 26 and preventing the handle main body 26 from coming off from the spindle 40.
[0035]
In this example, the handle main body 26 is fitted, the coupling portion 36 is rotationally coupled to the spindle 40 via the serration member 42, and the handle cover 30 is further fitted to the handle main body 26 and the cap 78 is attached. By doing so, the temperature control handle 20 can be easily configured and assembled to the faucet main body 10.
[0036]
Thus, when the handle main body 26 is fitted, it can be easily fitted based on the elastic deformation of the elastic claw 50.
Also, when the handle cover 30 is fitted into the handle main body 26, it can be easily fitted to the handle main body 26 based on the radial elastic deformation of the engagement claws 54.
Thereafter, by attaching the cap 78, the elastic claw 50 and the engagement claw 54 are prevented from being elastically deformed, and the handle body 26 and the handle cover 30 are locked in the assembled state.
[0037]
In the case of the temperature control handle 20 of this example, since the handle cover 30 and the handle main body 26 are fixed in the pull-out direction by the engaging claws 54 and the engaging grooves 62 in the ceiling portions 28 and 24, they are fixed to the peripheral wall. Unlike the case where the handle 20 is fixed, the problem that the handle 20 becomes large in diameter does not occur, and the handle body 26 and the handle cover 30 can be firmly fixed in the removal direction.
Further, since the resin-made handle cover 30 can be formed thin, it is possible to prevent the appearance from being deteriorated due to the shrinkage.
[0038]
Further, since the engaging claw 54 and the engaging groove 62 are also fixed in the rotation direction, unlike the faucet handle shown in FIG. 7, the handle body 26 and the handle cover 30 can be pulled out at one place. It can also be fixed in the rotation direction.
[0039]
Further, in this example, since the engaging claws 54 are formed integrally with the handle main body 26, the number of parts and the number of assembling steps can be reduced as compared with the case where the engaging claws 54 are provided as separate members. .
[0040]
The embodiment of the present invention has been described in detail above, but this is merely an example.
For example, in the above example, the present invention is applied to the temperature control handle 20, but it is also possible to apply the present invention to the switching handle 22 in FIG. 1, or the present invention is applied to various other faucet handles. It is possible.
[0041]
In addition, the faucet exemplified above is merely an example of the faucet to which the present invention is applied, and the present invention can be applied to faucets of other various forms other than the above examples. .
In the above example, the engaging claw is formed on the handle body 26 side, and the engaged portion is formed on the handle cover 30 side. The present invention can be configured in various modified forms without departing from the gist of the present invention. For example, the engaged portion may be formed on the handle body 26 side.
[Brief description of the drawings]
FIG. 1 is a diagram showing a water faucet including a temperature control handle according to an embodiment of the present invention in an attached state.
FIG. 2 is a diagram showing the temperature control handle shown in FIG. 1 in an external appearance state.
FIG. 3 is a diagram showing the internal structure of the same temperature control handle.
FIG. 4 is a diagram showing the internal structure of the same temperature control handle exploded into respective members.
FIG. 5 is a perspective view of the same temperature control handle disassembled into components and shown in an external appearance state.
FIG. 6 is a view showing an example of a conventional faucet handle.
FIG. 7 is a view showing an example of a conventional faucet handle different from FIG. 6;
[Explanation of symbols]
20 Temperature control handles 24, 28 Ceiling part 26 Handle body 30 Handle cover 31, 56 Peripheral wall part 32 Display part 54 Engagement claw 62 Engagement groove 64 Engagement concave part 66 Engagement convexity

Claims (3)

A cylindrical outer cylindrical member with a ceiling portion constituting the handle cover and a cylindrical inner cylindrical member with a ceiling portion constituting the handle main body form a double cylindrical structure, in a state where they are fitted to each other. in each ceiling portion is fixed to by Ri fastened securely direction fixing means and said fixing means includes an engaging protrusion which projects axially from the outer surface and the outer peripheral portion of the ceiling portion of the inner cylinder member, the An engagement recess formed on the inner surface and the outer periphery of the ceiling portion of the outer cylindrical member corresponding to the engagement protrusion, the engagement recess engaging the engagement protrusion; The outer cylinder member and the inner cylinder member are also fixed in the rotation direction by the concave portion, and the operating force in the rotation direction applied to the outer cylinder member is transmitted to the inner cylinder member. Features a faucet handle. 2. The faucet handle according to claim 1 , wherein the fixing means projects to one of a ceiling portion of the inner cylinder member and a ceiling portion of the outer cylinder member on an inner peripheral side of the engagement convex portion and the engagement concave portion. A handle for a faucet, comprising an engaging claw provided and an engaged portion formed on the other side. 3. The faucet handle according to claim 1 , wherein the inner cylinder member has a display portion at a base portion, and the display portion is exposed outside the outer cylinder member. 4. And faucet handle.

Images