JPH0316587Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a strainer mounting structure for extending the spout of a so-called low water spout type air pot.

As tabletop air pots have become larger in recent years,
In view of the fact that if the spout is located at a high position, it is difficult to pour out the contents into a low teacup or the like, low spout type air pots with a spout formed at a lower position are widely used.

To explain this low water inlet type electric air pot according to Fig. 6, the exterior body 1 of the air pot
An inner container 2 is housed therein, and a band heater 3 is attached to the outer periphery of the lower part of the inner container 2, and the content liquid is heated by energizing the band heater 3.

A connecting pipe 4 is coupled to the bottom of the inner container 2, and the connecting pipe 4 is connected to a pouring port 6 provided at the front upper part of the exterior body 1 via a pumping pipe 5. The tip of the spout 6 is loosely fitted into the upper end of a cylindrical strainer 7, and the lower part of the strainer 7 is removably attached to a mounting base 8 provided on the front surface of the exterior body 1. The lower end protrudes and opens below the mounting base 8, forming a water inlet at a low position.

The water inlet can be lowered by extending the spout 6 downward, but this may cause the content to flow out due to the siphon principle when the water is full. By extending it downward, the water inlet is set at a lower position. Furthermore, since the strainer 7 is easily soiled, it is usually configured to be detachable so that it can be removed and washed as necessary.

Prior Art Conventionally, in order to attach this strainer 7 to a mounting base 8, a hole is bored in the mounting base 8, a notch is provided at the periphery of the hole, and a flange larger than the inner diameter of the hole is provided on the lower outer periphery of the strainer 7. forming a protrusion that can fit into the notch above the flange,
The strainer 7 is inserted into the hole from below, the protrusion passes through the notch, and the strainer is rotated, whereby the periphery of the hole is held between the flange and the protrusion and attached.

Problems to be Solved by the Invention However, with the above structure, there is play between the strainer 7 and the mounting base 8 when the strainer 7 is rotated, and the strainer 7 rotates due to vibration during transportation and comes off the mounting base 8. It may fall off. The distance between the flange and the protrusion is made equal to the thickness of the peripheral edge of the hole, and the strainer 7 and the mounting base 8
Although it is possible to prevent the strainer 7 from falling off by eliminating rattling, the fitted state will vary due to dimensional errors during molding.

The present invention was developed in view of the above circumstances, and its purpose is to securely maintain the joint state between the strainer 7 and the mounting base 8, and to prevent the strainer 7 from falling off due to vibrations during transportation. It is something to do.

Means to Solve the Problems The present invention is based on a cylindrical strainer that is loosely fitted into the spout of an air pot in a removable manner, and a hole through which the strainer is inserted is bored below the spout on the front surface of the air pot. a notch is formed on the periphery of the hole, a flange larger than the inner diameter of the hole is formed on the outer periphery of the lower part of the strainer, and a flange that fits into the notch of the hole is formed on the slightly upper outer surface of the flange. The strainer is attached to the mounting base by rotating the strainer after the strainer is inserted into the hole from below and the protrusion passes through the notch, and the strainer is attached to the mounting base in the attached state on the upper surface of the flange. It is characterized in that a convex portion is formed at a position corresponding to the notch.

1 to 5 show the mounting portion of the strainer 7 of the present invention to the mounting base 8,
A hole 9 through which the strainer 7 is inserted is bored in the mounting base 8, and a pair of notches 10 are formed on the periphery of the hole 9 at opposing positions. Also 11
is a stopper projecting from the top surface of the mounting base 8.

Further, an annular flange 12 is formed on the outer periphery of the lower part of the strainer 7, and a pair of protrusions 13 are provided above the flange 12 in positions facing each other.

According to the present invention, a low protrusion 14 is formed on the upper surface of the flange 12 at a position rotated approximately 90 degrees from the protrusion 13.

As shown in FIG. 5, the circumferential edge of the hole 9 in the mounting base 8 has smooth irregularities formed on its lower surface, is thick at the position of the notch 10, and is thick at the position rotated approximately 90 degrees from the notch 10. is slightly thinner.

Function In the present invention, when the strainer 7 is inserted from below the hole 9 and the protrusion 13 is passed through the notch 10, the flange 12 comes into contact with the lower surface of the periphery of the hole 9. At this time, the convex portion 14 of the flange 12 is in contact with a thin portion at the periphery of the hole 9 of the mounting base 8, as shown by the solid line A in FIG.

Next, when the strainer 7 is rotated in this state, the protrusion 13 moves along the periphery of the hole 9, and the protrusion 14 moves toward the thicker side of the periphery of the hole 9, as shown by chain line B in FIG. , the periphery of the hole 9 is pressed between the flange 12 and the protrusion 13.

When the strainer 7 is further rotated by approximately 90 degrees, the protrusion 14 of the flange 12 fits into the notch 10 as shown by the chain line C in FIG. When they come into contact, rotation stops.

When removing the strainer 7, rotate it in the opposite direction.
The convex portion 14 once moves over the side edge of the notch 10, and the protrusion 13 slides along the upper surface of the periphery of the hole 9, and comes into contact with the other stopper 11 and stops rotating, thereby removing the strainer 7. It can be removed from the hole 9 of the mounting base 8.

Effects of the invention According to the invention, when the strainer 7 is attached to the mounting base 8, the convex portion 14 formed on the flange 12 is engaged with the notch 10 of the hole 9 of the mounting base 8, and vibration This prevents the strainer 7 from rotating inadvertently and falling off from the mounting base 8. Furthermore, the operation of attaching and detaching the strainer 7 is easy.

Furthermore, although the present invention is a kind of click mechanism, its structure is extremely simple, molding precision is not required, and its click effect is reliable.

Further, the thickness of the periphery of the hole 9 may be uniform, but by changing the thickness of the periphery of the hole 9 as shown in FIG. By making the interval smaller than the maximum thickness of the periphery of the hole 9, the click effect can be made higher, and the protrusion 13 and the protrusion 14 can be
Since the positions are far apart from each other, the circumferential edge of the hole 9 between them elastically deforms to allow the passage of the convex part 14, and the force required for attaching and detaching the strainer 7 is small and a large click effect is exhibited.

[Brief explanation of the drawing]

1 to 5 show the mounting structure of the strainer of the present invention, in which FIG. 1 is a central vertical sectional view of the main part, FIG. FIG. 4 is a cross-sectional view and a cross-sectional view, respectively, of FIG. 2. FIG. 5 is an enlarged developed view of the periphery of the hole in the mount. FIG. 6 is a central vertical sectional view of an electric air pot to which the present invention is applied. DESCRIPTION OF SYMBOLS 1... Exterior body, 6... Spout, 7... Strainer, 8... Mounting stand, 9... Hole, 10... Notch, 12... Flange, 13... Protrusion, 14...
Convex part.

Claims (1)

[Scope of utility model registration request] In a cylindrical strainer 7 that is detachably fitted loosely into the spout 6 of the air pot, a mounting base 8 having a hole 9 through which the strainer 7 is inserted is provided below the spout 6 on the front surface of the exterior body 1 of the air pot. A notch 10 is formed at the periphery of the hole 9, and a strainer 7 is formed.
A flange 12 larger than the inner diameter of the hole 9 is formed on the lower outer periphery of the strainer 7, and a protrusion 13 that can fit into the notch 10 of the hole 9 is formed on the slightly upper outer surface of the flange 12. 9 and passing the protrusion 13 through the notch 10 and then rotating the strainer 7 to attach the strainer 7 to the mounting base 8.
A strainer mounting structure for an air pot, characterized in that a convex portion 14 is formed at a position corresponding to .