JPH0346056Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a heat insulating cap that is detachably attached to the end of a hot water faucet of a hot water supply device such as a hot water mixing faucet or an instantaneous water heater.

[Conventional technology]

Generally, the above-mentioned hot water faucet is made of a metal pipe, and is configured to have a horizontal pipe part and a hanging discharge part formed by bending the tip of the pipe downward, and is rotatably attached to the main body of the water heater. ing.

[Problem that the invention aims to solve] In the hot water faucet configured as described above, the hot water faucet is quite hot when hot water is flowing inside or immediately after use, so it is difficult to handle it with bare hands. It is difficult to rotate it. Also, if you accidentally touch a hot water faucet, you may get burned. Therefore, conventionally, in Japanese Utility Model Publication No. 49-3165, the cap body that covers the faucet is vertically divided into two parts, and a large number of protrusions are provided on one side of the opposing surfaces of the divided cap body, and each protrusion is provided on the other side. A cap has been proposed in which a plurality of holes are provided with which projections are engaged, and each of the divided cap bodies is fixed to a faucet by engaging each of these projections with each hole.

However, with the above configuration, when fixing the cap to the faucet, it is necessary to align and engage each protrusion provided on each split cap body with each hole, which makes the fixing work difficult. Furthermore, once each of the divided cap bodies is fixed, the outer surface becomes flat and there is no clue, so there is a problem that it is very difficult to remove the cap body.

The present invention was developed with the above-mentioned considerations in mind, and its purpose is to provide a system that is safe even when touched with bare hands when the hot water faucet is hot, and that is easy to attach and detach from the hot water faucet. Our goal is to provide a heat-insulating cap that can.

[Means for solving problems]

In order to achieve the above object, the heat insulating cap for the hot water tap according to the present invention is a heat insulating cap that covers at least the drooping discharge part of the hot water faucet, which has a horizontal pipe part and a drooping discharge part, and the cap body is placed above the cap body. a cap body and a lower cap body that passes through and covers the hanging discharge part; the cap body is divided into two parts in the vertical direction, and a convex joint part that fits into each other by sliding in a direction parallel to the horizontal pipe part; One of the concave joints is formed in the upper cap body and the other in the lower cap body, and a ring body attachment part having a concave groove is formed in each of the cap bodies, and the ring body has the above-mentioned concave joint part. A convex body is provided that engages with each groove and presses each ring body mounting portion in the diameter reduction direction.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

FIG. 1 is an exploded perspective view showing a heat insulating cap of a hot water tap according to the present invention, and in the figure, 10 is a hot water tap. The hot water faucet 10 is made of a metal pipe and has a horizontal pipe part 11 and a drooping discharge part 12 formed by bending its tip downward. It is rotatably mounted.

20 is at least the drooping discharge part 1 of the hot water faucet 10
The cap main body of the heat insulating cap is configured to cover the cap 2 and is divided into an upper cap body 30 and a lower cap body 40 along the horizontal axis of the horizontal pipe portion 11.

As shown in FIGS. 2 and 3, the upper cap body 30 includes an inner portion of the main body portion 31 that covers the upper part of the horizontal tube portion 11 including the curved portion near the boundary between the horizontal tube portion 11 and the hanging discharge portion 12. A hollow portion 32 is provided on the upper side (lower side), and the lower portion of the main body portion 31 is open. A concave joint part 33 is provided with a plurality of concave parts 33a at equal intervals on the lower open end of the main body part 31.
is formed. And this upper cap body 3
On the rear side of the 0, an arcuate ring body attachment part 34 is formed with a step and opened downward.
The inner circumferential surface 34a of the ring body mounting portion 34 is formed to have a curvature approximately equal to the radius of curvature of the horizontal pipe portion 11, and a hook-shaped groove 35 of an appropriate depth is provided on the outer circumference. 36 is a rib having a curvature approximately equal to the radius of curvature of the horizontal tube portion 11.

As shown in FIGS. 2 and 4, the lower cap body 40 is connected to the lower part of the horizontal pipe section 11 and the hanging discharge section 12
A hollow portion 42 is provided inside (above) the main body portion 41 that covers the main body portion 41, and the upper portion of the main body portion 41 is open. A convex joint part 43 is formed at the end of the main body part 41 on the open top side, and is formed with a plurality of protrusions 43a arranged at equal intervals in order to correspond to the concave joint part 33 of the upper cap body 30. ing. An arcuate ring body attachment portion 44 corresponding to the ring body attachment portion 34 of the upper cap body 30 is formed on the rear side of the lower cap body 40. The inner circumferential surface 44a of the ring body mounting portion 44 is formed to have a curvature approximately equal to the radius of curvature of the horizontal pipe portion 11, and a hook-shaped groove 45 of an appropriate depth is provided on the outer circumference. This groove 45 and the groove 35 are formed, for example, point-symmetrically to each other. Further, on the side of the lower cap body 40, there is a hanging cylindrical part 4 configured to insert the hanging discharge part 12 and cover it.
6 is formed. Reference numeral 47 denotes a rib having a curvature approximately equal to the radius of curvature of the horizontal tube portion 11.

Reference numeral 50 denotes a ring body detachably fixed to the rear side of the cap body 30, and the groove 3 is formed on the inner circumference of the ring body.
Convex bodies 51, 51 are formed which are guided by the cap bodies 5, 45 and engaged at predetermined positions to press the respective cap bodies 30, 40 in the direction of diameter reduction. Only the convex body 51 is shown).

The upper cap body 30, the lower cap body 40, and the ring body 50 are all molded from a synthetic resin with excellent heat insulation properties, such as ABS resin.

Next, the hot water faucet 10 of the heat insulating cap configured as described above.
For installation and removal procedures, see Figures 5 and 6.
This will be explained with reference to the figures.

First, when installing, first install the hanging discharge part 12.
The ring body 50 is fitted onto the hot water faucet 10 from the side and placed at a position slightly apart from the drooping discharge part 12. Next, the lower cap body 40 is applied from below to the hot water faucet 10 so that the drooping cylindrical part 46 fits over the drooping discharge part 12, and the upper cap body 3 is applied from above.
0 to the hot water faucet 10. Then, the upper cap body 30 is slid in parallel to the horizontal pipe portion 11, and the concave joint portion 33 of the upper cap body 30 and the convex joint portion 43 of the lower cap body 40 are fitted and joined. At this time, the horizontal tube section 11 is connected to the upper cap body 3.
0, ribs 3 formed on the lower cap body 40
The outer periphery thereof is held between 6 and 47 (see FIG. 5).

Furthermore, by sliding the ring body 50 in the direction of the hanging discharge part 12, the ring body attachment parts 3 formed on the rear sides of both the cap bodies 30 and 40 are installed.
4, 44, and when the ring body 50 is slightly rotated in the tightening direction, the convex bodies 51, 51 formed inside the ring body 50 are inserted into the concave grooves 35 formed in the ring body mounting parts 34, 44, respectively. , 45, and thereby the gap G between the ring body mounting portions 34 and 44,
Both the ring body attachment parts 34, 44 are reduced in diameter in the direction in which G narrows, and the horizontal tube part 11 has both ring body attachment parts 34, 44.
44 (see Fig. 6), and
Both cap bodies 30, 40 are prevented from being separated from each other in the sliding direction, and are fixedly attached to the hot water faucet 10 while covering at least the hanging discharge part 12 (see FIG. 2). As described above, the insulation cap can be easily attached to the hot water faucet 10 by sliding the upper cap body 30 relative to the lower cap body 40 and rotating the ring body 50 relative to the ring body attachment parts 34, 44. It will be done.

Next, when removing, slightly rotate the ring body 50 in the direction of loosening the convex bodies 51, 51 and the concave groove 35,
45, and the ring body mounting portions 34, 4 are disengaged from each other.
Remove from 4. Then, when the upper cap body 30 is slightly slid, the fitting connection between the upper cap body 30 and the lower cap body 40 is released.
Both cap bodies 30 and 40 are removed from the hot water faucet 10 by shifting them in the vertical direction. As described above, the rotation operation of the ring body 50 with respect to the ring body mounting portions 34 and 44 and the rotation operation of the upper cap body 3
The heat insulating cap can be easily removed from the hot water faucet 10 by sliding the lower cap body 40 at this time.
The insulation cap can be easily removed by placing your hand on it and sliding it.

In the embodiment described above, the upper cap body 30,
At each joint portion of the lower cap body 40, a concave joint portion 33 and a convex joint portion 43 each constituted of a plurality of recesses 33a and a plurality of protrusions 43a.
, the upper cap body 30 only needs to be slid slightly when the two cap bodies 30 and 40 are engaged and disengaged.

FIG. 7 is an exploded perspective view showing another embodiment of the present invention, which differs from the above-described embodiment in that the upper cap body 30 and the lower cap body 40 have continuous concave portions with no discontinuing points at their joint portions. This is because a side joint portion 33' and a corresponding convex side joint portion 43' are provided. The operation of this embodiment is the same as that of the above embodiment, so the explanation thereof will be omitted.

FIG. 8 is a sectional view showing still another embodiment of the present invention, in which the depth of the grooves 35, 45 formed on the outer periphery of the ring body mounting portions 34, 44 is increased as the depth increases in the tightening direction (direction of arrow F). It is designed to be shallow. In this case, when the ring body 50 is fitted onto the ring body mounting parts 34 and 44 and the convex bodies 51 and 51 are engaged with the grooves 35 and 45, the ring body mounting part 3
4 and 44 are compressed in the diametrical direction, and as a result, the horizontal pipe portion 1 is compressed by these ring body mounting portions 34 and 44.
1 becomes larger, and the effect of preventing the horizontal tube portion 11 of the cap body 20 from shifting in the horizontal axis direction becomes greater.

The present invention is not limited to the embodiments described above; for example, the convex joint 43 may be provided on the upper cap body 30 and the concave joint portion 33 may be provided on the lower cap body 40. Moreover, the main body 3 of the upper cap body 30
1 and the main body 41 of the lower cap body 40 may be extended to the rear side to cover the horizontal pipe portion 11 longer.

[Effect of idea]

As explained above, the heat insulating cap for the hot water faucet according to the present invention is a heat insulating cap that covers at least the drooping discharge part of the hot water faucet equipped with a horizontal pipe part and a drooping discharge part, and the cap body is connected to the upper cap body. and a lower cap body that passes through and covers the hanging discharge part, and is divided into two in the vertical direction, and a convex side joint part and a concave side are fitted into each other by sliding operation in a direction parallel to the horizontal pipe part. One of the joining parts is formed in the upper cap body and the other part is formed in the lower cap body, and a mounting part for a ring body having a groove is formed in each of the cap bodies, and each of the grooves is formed in the ring body. Since a convex body is provided that engages with the groove and presses each ring body attachment part in the diametrical direction, it is possible to touch the hot water faucet with bare hands when it is hot, which increases safety and prevents hot water from coming out. The faucet can be rotated as desired, and the heat insulating cap can be easily attached and detached from the hot water faucet. Moreover, the appearance of the hot water faucet becomes more beautiful.

[Brief explanation of the drawing]

1 to 6 show an embodiment of the present invention,
Fig. 1 is an exploded perspective view showing the overall structure of the heat insulating cap, Fig. 2 is a side sectional view showing the heat insulating cap attached to the hot water faucet, Fig. 3 is a side sectional view showing the upper cap body, and Fig. 4 5 is a plan view showing the lower cap body, FIG. 5 is a sectional view taken along the line -- in FIG. 2, FIG. 6 is a sectional view taken along the line -- in FIG. 8 are sectional views showing still another embodiment of the present invention. 10...Hot water faucet, 11...Horizontal pipe section, 12...
...Drooping discharge part, 20... Cap body, 30...
Upper cap body, 33...Concave side joint part, 40...Lower cap body, 43...Convex side joint part, 50...Ring body, 34, 44...Ring body attachment part, 35, 4
5... Concave groove.

Claims (1)

[Scope of utility model registration request] A heat insulating cap that covers at least the drooping discharge portion of a hot water faucet having a horizontal pipe portion and a drooping discharge portion, the cap body comprising an upper cap body and a lower cap body that extends through and covers the drooping discharge portion. The cap is divided into two in the vertical direction, and one of the convex joint part and the concave joint part that fit into each other by sliding in a direction parallel to the horizontal pipe part is attached to the upper cap body, and the other is attached to the lower cap body. At the same time, a ring body mounting portion having a groove is formed in each of the cap bodies, and the ring body is engaged with each of the grooves to press each ring body mounting portion in the diameter reduction direction. An insulating cap for a hot water faucet characterized by having a convex body.