JPS6237542Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an air pot, and in particular to an air pot equipped with a water pipe for extending the spout downward.The purpose of this invention is to allow the water pipe to be easily attached and removed, making it easy to remove and remove parts during cleaning. It is an object of the present invention to provide a water conduit mounting structure for an air pot that is easy to replace and can stably attach and hold a water conduit.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings, which are examples of the present invention.

In the drawing, 1 is a metal body with one mounting hole 2 and two beads 3 formed in the front part, 5 is a medium bottle housed inside the body, and 6 is a metal body on the upper step 4 of the body 1. The mounting nut 1 is placed on the body 1 from the inside of the body 1.
A shoulder body made of synthetic resin is fixed to the body 1 by screwing 1, 12 has an air pump 13 built in,
A lid body supported by a hinge part 6a at one end of the shoulder body 6 so as to be openable and closable; 14 a hook mechanism provided at the tip of the lid body 12; 15 a middle stopper fitted into the mouth of the medium bottle 5; 17 is provided on the back of the body 1, and a battery 18
It is a battery box with a built-in battery.

A water injection pipe 1 of the inner stopper 15 is provided on the front side of the shoulder body 6.
A beak-shaped spouting part 7 having an insertion port 7a corresponding to the spout 6 is integrally formed, and as shown in FIG. A protrusion 8 is provided in a protruding manner, and an engaging pawl 9 is formed at the lower part of the protrusion. Further, on the upper surface of the pouring portion 7, a receiving claw 10 is provided to protrude and engage with and disengage from the hook claw 14a of the hook mechanism 14.

Reference numeral 19 denotes a cylindrical spouting part cover made of synthetic resin, the upper end opening of which is shaped to fit on the outside of the spouting part 7 of the shoulder body 6, and this upper end opening has a flange facing inward. 20 is formed, and a horizontal protrusion 21 and an engaging pawl 22 are formed on the lower inner surface of the flange. A vertically elongated display window 23 is formed on the front side of the spout cover 19, and a hook 25 whose tip hangs downward is integrally provided on the back side.
An insertion hole 26 is provided above.

The spout cover 19 is integrated with the shoulder body 6 into the body 1.
mounted on. That is, when the upper end opening of the spouting part cover 19 is fitted into the spouting part 7 of the shoulder body 6 from the horizontal direction, the protrusion 8 of the spouting part 7 fits into the spouting part cover 1.
The spout cover 19 is fitted between the flange 20 and the protrusion 21 of 9, and the engaging claws 9 and 22 engage with each other just before the fitting is completed, so that the spout cover 19 is vertically moved relative to the shoulder body 6. , is fixed in the front and back direction so that it does not come off. The shoulder body 6 and spout cover 19 integrated in this way are attached to the body 1.
When placing the spout cover 19 on the upper end step 4, insert the hook 25 of the spout cover 19 into the mounting hole 2 of the body 1, and then attach the shoulder body 6.
and spout cover 19 are pushed down together. As a result, the hook portion 25 engages with the lower edge of the attachment hole 2, the inner surface of the hook portion 25 is pressed against the bead 3, and the rear surface of the spout cover 19 is brought into close contact with the front surface of the body 1. In this state, the insertion hole 26 of the spout cover 19 corresponds to the attachment hole 2 of the body 1. Then, by screwing the mounting nut 11 into the threaded portion 6b of the shoulder body 6 from the inside of the body 1, the upper end step portion 4 of the body 1 is screwed into place.
is sandwiched between the shoulder body 6 and the mounting nut 11, and the shoulder body 6 is fixed to the body 1.

Reference numeral 28 denotes a water conduit cover which is an example of a cover member, and a flat mounting plate 29 is integrally molded on the front side of the cover as shown in FIG. This mounting plate 2
9 has a pair of upper and lower holding claws 30a, 3 at the upper and lower ends.
0b and an engaging claw 31a are provided in a protruding manner, and engaging claws 31b are provided in a protruding manner on both sides. The above holding claw 30
a, 30b, grooves 33a, which are formed at the upper and lower ends of the printed circuit board 32 on which the liquid level display circuit is mounted;
It is attached by engaging 33b. The board 32 includes a display element 34 made of, for example, a liquid crystal display element and a connector 3 which is a wiring connection part.
5 and electronic components (not shown) are attached to constitute a liquid level display unit. In addition, the above-mentioned engaging claw 3
1a and 31b, a transparent box-shaped display cover 36 has engaging portions 37a formed at its lower end and both sides.
It is attached by engaging 37b. At this time, the upper edge of the display cover 36 is
2 and the other peripheral edge portion contacts the surface of the mounting plate 29 to provide a simple seal around the display element 34 and protect the display element 34 from being subjected to external force. In particular, in the case of a liquid crystal display element, there is a drawback that when an external force is applied to the display surface, the display surface darkens and the display becomes unclear, so it is essential to protect the area around the display element. On the front side of the display cover 36 is a display window 2 of the spouting part cover 19.
A lens portion 38 that fits into the display element 34 is provided in a protruding manner, and the display element 34 can be visually viewed from the outside through this lens portion 38. The display element 34 is composed of, for example, four display parts, and when the liquid volume in the medium bottle 5 is full, all display parts are displayed, and when the liquid volume is full,
As the number decreases to 4/5, 3/5, and 2/5, the upper display part disappears in order, and when it falls within 1/5, the bottom display part starts blinking.

An elastic piece 40 bent in a dogleg shape and step portions 41 are formed on both sides of the elastic piece 40 on the back side of the water conduit cover 28. Below the step portion 41, a bearing portion 42 with an open top is protruded. An opening hole 43 is formed below this bearing portion 42 . The bearing section 42
A water conduit hook 44 shown in FIG. 5 is attached to the. That is, this water pipe hook 44 has a shaft portion 45 in the center that fits into the bearing portion 42,
It has a pair of elastic legs 46 at its upper end and a locking claw 47 at its lower end. By fitting the shaft portion 45 into the bearing portion 42, the water pipe hook 44 is prevented from coming off in a swingable manner, the leg portions 46 abut against the stepped portion 41, and the locking claw 47 engages the opening hole 43. It penetrates and protrudes to the lower surface side of the water conduit cover 28. A lower plate 50 that closes the lower end opening of the spout cover 19 is integrally provided at the lower end of the water conduit cover 28, and a thin wall portion 5 is provided on the back side of the lower plate 50.
A fixing piece 52 is integrally formed through 1,
This fixing piece 52 has a screw insertion hole 53 formed therein.

The water conduit cover 28 is attached to the mounting plate 29 on the base plate 3.
2 and display cover 36, and internal wiring lead wire 5 connected to liquid level detection electrode 68 and battery 18, which will be described later, to connector 35 of board 32.
With the connectors 57 of 5 and 56 plugged in and connected,
It is inserted through the lower end opening of the spouting part cover 19. At this time, the lead wires 55 and 56 are connected to the body 1.
mounting hole 2 and insertion hole 26 of spout cover 19
The lead wires 55, 56 are guided out through the dogleg-shaped elastic piece 40 so that the lead wires 55, 56 do not get in the way when the water conduit cover 28 is inserted.
and the outer surface of the water conduit cover 28. By the above insertion, the upper end portion of the water conduit cover 28 fits on the outside of the insertion opening 7a of the pouring portion 7. Then, the lens portion 38 of the display cover 36 hits the inner surface of the spout cover 19 and the water pipe cover 28 is pushed slightly toward the back side, but at this time, the fixing piece 52 is slightly bent to absorb the displacement of the water pipe cover 28. However, as the lens portion 38 fits into the display window 23, the fixing piece 52 returns to abut against the lower surface of the spout cover 19. Thereafter, by screwing the screw 58 into the lower surface of the spout cover 19 through the screw insertion hole 53 of the fixing piece 52, the water conduit cover 28 is prevented from coming off.
On the other hand, the dog-shaped elastic piece 40 presses against the inner surface of the spout cover 19 and presses the water conduit cover 28 forward,
The display cover 36 is urged to come into close contact with the inner surface of the spout cover 19.

Reference numeral 60 denotes a water pipe that is inserted into the water pipe cover 28 and extends downward from the water injection pipe 16 of the inner pipe 15 (see FIGS. 6 and 7), and its upper end is inserted into the spouting part 7. It fits around the outer periphery of the opening 7a, and has a protrusion 61 at the lower end that engages with the locking claw 47 of the water pipe hook 44, and a flange 62 that closes the lower end opening of the water pipe cover 28. are doing. The water pipe 60 is inserted from below the water pipe cover 28, and the projecting piece 61
is positioned in the vertical direction by riding up the inclined surface of the locking claw 47 and engaging with the upper surface side thereof,
Moreover, the protruding piece 61 is prevented from rotating on the inner surface of the opening hole 43. To remove this water pipe 60, by operating the locking claw 47 of the water pipe hook 44 in the direction of the arrow in FIG. The locking claw 47 is pressed against the stepped portion 41 and bent (shown by the broken line in FIG. 4).
Since the engagement between the protruding piece 61 and the protruding piece 61 is disengaged, the water guide pipe 60 can be pulled out. When the operating force applied to the locking pawl 47 is released, the water conduit hook 40 returns to its original state due to the elastic force of the legs 46.

A seal member 65 is provided between the mouth of the medium bottle 5 and the shoulder body 6, and this seal member includes a mouth rubber 66 along the outer surface of the mouth of the medium bottle 5 and a seal along the lower surface of the shoulder body 6. This seal plate 67
An insertion hole penetrating through the inner and outer peripheries is bored through the inner and outer peripheries, and an electrode 68 for detecting the amount of liquid is inserted into this insertion hole.
The mouth rubber 66 and the seal plate 67 are sandwiched between the shoulder body 6 and the mouth of the medium bottle 5, and the gap between the shoulder body 6 and the medium bottle 5 and the insertion hole are completely sealed. The electrode 68 is made up of, for example, five conductive wires 69a to 69e arranged in parallel and covered with an insulating material.
The tip of e is exposed at five locations above and below, and these conductors are arranged in order from the longest one to the reference electrode, 1/5 liquid level detection electrode,
2/5 liquid volume detection electrode, 3/5 liquid volume detection electrode, 4/5 liquid volume detection electrode. Note that the leading end of the conductive wire is bent so as to protrude slightly outward from the juxtaposed portion of the conductive wire to prevent edge surface brazing. The above conductive wires 69a to 69e
are made of rigid conductive wires such as stainless steel, and these conductive wires are shaped to follow the inner surface of the medium bottle 5, so the tip position of each conductor wire can be set at a constant position, ensuring accurate liquid level detection. becomes.

In the embodiment described above, the water conduit cover 28 and the water conduit 60 are housed inside the spout cover 19, and the liquid level display unit is detachably attached to the conduit cover 28. In this embodiment, the inside of the spout cover 19 has a double wall structure, so even if the water pipe 6
Even if you forget to add water and add water, the liquid level display unit will not leak water and will not cause electrical failure due to the influence of steam, etc., and when cleaning the water pipe 60 with limescale, 60 can be pulled out and washed completely.

Note that the present invention is not limited to the above-mentioned embodiment, and for example, the water conduit cover 28 may be omitted and the cover member may be the spouting part cover 19, and this spouting part cover 1
9 is provided with a bearing portion, and a water pipe hook 44 is provided.
may be attached to this bearing part.

In the above embodiment, the upper part of the spouting part cover 19 is engaged with the spouting part 7 of the resin shoulder body 6, and the lower part is engaged with the spouting part 7 of the resin shoulder body 6.
Although the spout cover 19 is shown to be attached by engaging with the body 1, if the shoulder body 6 is made of metal, the spout cover 19 may be attached by engaging the upper and lower parts of the spout cover 19 with the body 1. In this case, the insertion port 7a corresponding to the spout of the water injection pipe 16 is
may be provided on the spouting part cover 19.

As is clear from the above explanation, according to the present invention, the water pipe hook is attached to the bearing part of the cover member, and the water pipe hook is elastically prevented from coming off by the locking claw of the water pipe hook. The water pipe can be easily attached and detached by simply operating the locking claw. In particular, since water pipes are passageways for hot water, etc., they are susceptible to limescale build-up and thermal damage, and therefore need to be removed and cleaned or replaced with new ones.However, water pipes can be freely attached and removed as described above. Therefore, the above work becomes easy. In addition, since the locking claw of the water pipe hook is elastically engaged with the projecting piece of the water pipe due to the elastic force of the leg, the water pipe can be held stably at all times, and the water pipe can be held inside the cover member. It never rattles.

[Brief explanation of the drawing]

Fig. 1 is a partially sectional side view of the air pot according to the present invention, Fig. 2 is an exploded perspective view of the air pot body and spout cover, and Fig. 3 is an exploded perspective view of the water conduit cover and liquid level display unit. , Figure 4 is an enlarged view of part A in Figure 1, Figure 5 is a perspective view of the water pipe hook,
FIGS. 6 and 7 are a partially sectional side view and a bottom view of the water pipe. 1...Torso, 5...Medium bottle, 6...Shoulder body, 12...
... Lid body, 13 ... Air pump, 16 ... Water injection pipe, 19 ... Spout part cover, 28 ... Water pipe cover, 42 ... Bearing part, 44 ... Water pipe hook, 4
5... Shaft portion, 46... Leg portion, 47... Locking claw, 6
0...Water pipe, 61...Protrusion piece.

Claims (1)

[Scope of utility model registration request] In an air pot, a shoulder body and a lid body with a built-in air pump are provided at the upper end of a body housing a medium bottle, and a water guide pipe extending to a water injection pipe is housed in a cover member attached to the outside of the body. The cover member is integrally provided with a bearing portion, has a shaft portion in the center, and has elastic leg portions that abut against the side surfaces of the cover member and locking claws that can be operated from the outside at both ends, respectively. The water pipe hook is swingably attached by fitting the shaft part into the bearing part, and the water pipe is provided with a protrusion that can be freely engaged with and detached from the locking pawl, and the water pipe is inserted downward into the cover member. A conduit pipe mounting structure for an air pot configured such that a locking pawl engages with the protruding piece due to the elasticity of the legs in a fully inserted state to prevent the conduit pipe from coming off.