JPH088746Y2 - Liquid container discharge pipe - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge pipe for a content liquid used in an electric pot and various other containers, and more particularly to a discharge pipe for a liquid container capable of gently discharging the content liquid without splashing.

[0002]

2. Description of the Related Art Various discharge structures are used for discharging a content liquid from an electric pot or other various containers so that the content liquid can be discharged gently without splashing.

In the conventional discharge structure of this type, as shown in the sectional view of the electric pot as a prior example proposed by the applicant shown in FIG. A discharge pipe 22 is provided which extends from the valve chamber 21 a of the valve 21 to a valve opening 21 b of the valve chamber 21 a, extends slightly upward, bends forward, and bends downward. Then, the discharge port 23 is provided at the lower end of the discharge pipe 22 bent downward. In the prior art, the passage of the discharge pipe 22 is formed from the valve opening 21b to the discharge opening 23 with substantially the same diameter, and there is an angled portion on the inner wall of the portion that bends from the front to the bottom. For this reason, the content liquid discharged into the passage of the discharge pipe 22 is unlikely to fill the discharge pipe 22, is hard to follow the pipe wall, and is likely to form a cavity inside. In this situation, also in the angular part of the passage,
The content liquid is disturbed in its flow and is discharged from the discharge port 23 with a splash. This is even more the case when a large amount of compressed air is poured out when the content liquid is small, or when a content liquid that is vigorous in movement during boiling or generation of steam is poured out. Also, in the case where the extruding of the content liquid is weak just before the end of the pouring and the flow rate is small, a large amount of air may be mixed and disturbed without being sufficiently guided.

The cross section of the passage of the discharge pipe has a valve opening 21b.
In the case of expanding from the portion to the discharge port 23, a substantially similar discharge state is obtained, and in the case of forming a portion where the change is angular, the discharge state is worse.

Such a phenomenon is safe because the turbulence can be suppressed to some extent when the discharge pipe 22 is lengthened and guided along a long path, and it can be guided to a position closer to the container for receiving the content liquid. However, this is not sufficient as a countermeasure, and due to the long guide path, there is a delay in disconnection due to the balance between the drawing pressure of the content liquid inside the discharge pipe inside the container and the natural flow to the discharge side at the end of dispensing. . In the above-described prior art example which copes with this, the content liquid discharged from the discharge port 23 is once exposed to the atmosphere, and immediately thereafter, is received by the liquid injection guide 24 provided below the discharge port 23 and injected. The liquid is guided by the liquid guide 24 and discharged to the outside. The liquid injection guide 24 has a double pipe structure, and when the content liquid passes through this part,
Intake outside air from heavy pipe structure. This outside air becomes fine bubbles when the contents liquid passes through the bubble breaking net 25 at the lower part of the liquid injection guide 24. Therefore, the contents liquid containing the fine bubbles like outside air is gently discharged without splashing. To be done. Further, since the drawing pressure at the end of the pouring is released at the atmosphere opening portion between the discharge pipe 22 and the liquid injection guide 24, the poor drainage can be eliminated compared to the actual length of the guide path. .

[0006]

However, in the prior art, since the discharge port of the discharge pipe has a complicated structure in which a liquid injection guide having a double pipe structure and a foam breaking net are separately added, the cost is increased. There is a point. An object of the present invention is to solve this problem and provide a discharge pipe that discharges the content liquid gently without splashing, with a simple structure and at low cost.

[0007]

In order to solve the above-mentioned problems, the discharge pipe of a liquid container of the present invention is a valve of a water stop valve at the time of fall provided at the upper end of a pouring path rising from the bottom of the inner container. In the discharge pipe of the liquid container, which extends from the chamber to the upward valve opening, extends slightly upward, bends forward, and bends downward, the cross section of the passage from the valve opening to the discharge opening at the lower end is It is characterized in that the inside diameter D, the inside diameter d ₁ in the middle, and the inside diameter d ₂ of the discharge port are changed in this order to satisfy D> d ₁ ≧ d ₂ .

Further, it is preferable that the discharge pipe in the downward portion is provided with a slit in the length direction of the discharge pipe at a part of the peripheral edge of the discharge port at the lower end thereof.

[0009]

Since the discharge pipe of the electric pot of the present invention has the above-mentioned structure, when the liquid content of the electric pot is discharged, the liquid content of the electric pot is pressurized by the pump to change the content of the electric pot. It reaches the discharge pipe through the pouring path rising from the bottom of the vessel and the water shutoff valve at the time of fall, passes through the passage in the discharge tube, and discharges from the discharge port at the lower end of the downward portion of the discharge tube.

At this time, the content liquid pushed out from the valve opening of the valve chamber of the water shutoff valve at the time of fall into the discharge pipe has the above relationship of D> d ₁ ≧ d _{2 in} the passage of the discharge pipe. From the middle to the middle, the passage narrows toward the discharge port, so this part fills up well and flows out, and from the middle to the discharge port the passage further narrows or becomes the same diameter,
Since it fills up even more or reaches the discharge port while maintaining the above-mentioned filling state, it becomes a laminar flow that is well along the pipe wall and has no cavities in the water flow without being affected by the fact that the passage is angularly bent. Flows and is discharged gently from the discharge port without splash. That is, the structure of the discharge pipe, which was not considered in the prior art to allow the content liquid to flow smoothly, is designed so that the content liquid fills the inside of the discharge pipe and smoothly flows as a laminar flow. Even if the double pipe structure liquid injection guide and the foam breaking net are eliminated, the content liquid can be discharged as a quiet laminar flow without splashing.

Further, if a slit is provided in a part of the peripheral edge of the discharge port at the lower end of the downward portion of the discharge pipe, the liquid generally flows down to the object, so that the liquid content of the electric pot falls above the downward portion of the discharge pipe. It flows along the long part of the peripheral edge of the lower end that is not a slit, and is further discharged smoothly as a laminar flow without splash. Then, the content liquid is released to the atmosphere at the upper end of the slit, so that the length of the downward portion of the discharge pipe is substantially shortened and the water drainage is improved accordingly, so after the pump is stopped, it flows down from the downward portion of the discharge pipe. The amount of the content liquid decreases, and drainage improves after the pump is stopped.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the first invention of the present application will be described with reference to the drawings. FIG. 1 is a partial sectional view of an electric pot having a discharge pipe 6 as an embodiment of the discharge pipe of the first invention of the present application. As shown in the figure, a falling water stop valve 5 is provided at the upper end of the pouring path 4 rising from the bottom of the inner container 2, and the discharge pipe 6 extends from the valve opening 5b of the valve chamber 5a of the falling water stop valve 5. It extends a little to the top and bends forward and then downwards. The cross section of the passage from the valve port 5b of the discharge pipe 6 to the discharge port 8 at the lower end changes in the order of the inner diameter D of the valve port 5b, the inner diameter d _{1 in} the middle, and the inner diameter d ₂ of the discharge port 8 D> It is designed to satisfy d ₁ ≧ d ₂ .

The phenomenon in the discharge pipe 6 when the content liquid is discharged from the electric pot of this embodiment will be described below. When the bellows pump 7 is pushed, pressurized air is blown into the inner container 2 containing the content liquid, and the pressurized content liquid passes through the pouring path 4 rising from the bottom portion of the inner container 2 to the pouring path. Four
Through the valve chamber 5a of the water shutoff valve 5 at the time of fall provided at the upper end of the
It reaches the discharge pipe 6, passes through the discharge pipe 6, and discharges from the discharge port 8 at the lower end of the discharge pipe 6.

At this time, if the pressure applied by the bellows pump 7 is constant, the valve chamber 5a of the water shutoff valve 5 at the time of tipping to the valve opening 5 will be described.
The flux diameter of the content liquid pushed out into the discharge pipe 6 through b corresponds to the inner diameter D of the valve port 5b. When a content liquid having a flux diameter corresponding to this inner diameter D flows into the discharge pipe 6, the above-mentioned relationship of D> d ₁ ≧ d ₂ exists in the passage of the discharge pipe 6, and the valve opening 5b Since the passage becomes narrower toward the discharge port 8 halfway, it flows out while filling this part well, and it becomes even better by narrowing the passage to the discharge port 8 or the same passage diameter from the middle. Since it reaches the discharge port 8 while filling up or keeping the filling state,
It is not affected by the fact that the passage is bent angularly, flows in a laminar flow that is well along the pipe wall and has no cavities in the water flow, and is gently discharged from the discharge port 8 without splash.

That is, the structure of the discharge pipe 6 which has not been considered in the prior art to allow the content liquid to flow smoothly is such that the content liquid fills the inside of the discharge pipe 6 and smoothly flows as a laminar flow. Therefore, the content liquid can be discharged as a quiet laminar flow without splashing, even if the liquid injection guide having the double pipe structure and the breakage network of the prior art are eliminated.

Next, an embodiment of the second invention of the present application will be described with reference to the drawings. 2 is a sectional view of an electric pot to which an embodiment of the discharge pipe according to the second invention of the present application is attached, and FIG. 3 is shown in FIG.
4 is an enlarged sectional view of the discharge pipe portion of FIG. 4, FIG. 4 is a front view of the slit of the discharge pipe of the second invention of the present application, and FIG. 5 is a bottom view of FIG.

In the figure, a container body 1 of an electric pot comprises an inner container 2 and an outer case 3. A pouring pump 9 is provided between the bottom of the inner container 2 and the outer case 3, and the pouring pump 9
Communicates with the inner container 2. From pump 9 to outlet 4
And a water stop valve 5 at the time of fall is provided at the upper end of the pouring path 4, and a discharge pipe 6 similar to the one embodiment of the second invention of the present application is provided from the valve chamber 5b of the water stop valve 5 at the time of fall. Has been. In the second invention of the present application, the discharge pipe 6 is provided with the slit 10 at a part of the peripheral edge of the discharge port 8 at the lower end thereof. As described above, since the discharge pipe 6 is provided with the slit 10 in the longitudinal direction of the discharge pipe 6 at a part of the peripheral edge of the discharge port 8 at the lower end of the discharge pipe 6, the content liquid is discharged from the discharge port 8 at the lower end. At this time, since the liquid generally flows down to the object, the content liquid of the electric pot also flows along the long part of the lower end peripheral edge of the discharge pipe 6 which is not the slit 10, and further smoothly and splashes. It is discharged as a quiet laminar flow. Then, since the content liquid is opened to the atmosphere at the upper end of the slit 10, the length of the downward portion of the discharge pipe 6 is substantially shortened, and the water drainage is improved accordingly, so that after the pouring pump 9 is stopped, The amount of the content liquid flowing down from the downward portion of the discharge pipe 6 is reduced, and drainage is improved after the pump is stopped.

The present invention is not limited to the above-mentioned embodiment, and various modes are possible. For example, the size difference of D> d ₁ ≧ d ₂ can be freely designed. The shape of the slit and the position of the slit at the lower edge of the discharge pipe can be freely designed.

[0019]

The discharge pipe of the liquid container of the first invention of the present application is
In the structure of the discharge pipe, which has not been considered in the prior art to make the flow of the content liquid sufficiently smooth, the cross section of the passage from the valve opening to the discharge opening at the lower end has an inner diameter D of the valve opening and an inner diameter d of the middle. _1, changes in the order of the inner diameter d ₂ of the discharge port portion, D> cavities being set to satisfy d ₁ ≧ d _2, the well along inside the tube wall content liquid is filled discharge tube of the liquid container Without a smooth flow, it becomes a laminar flow.
With a simple and inexpensive structure that eliminates the heavy pipe structure of the liquid injection guide and the foam breaking net, the content liquid can be discharged as a quiet laminar flow without splashing.

The discharge pipe of the electric pot of the second invention of the present application is
In the discharge pipe of the first invention of the present application, further, by providing a slit at the discharge port at the lower end of the discharge pipe, the content liquid flows along the long portion of the lower end peripheral edge which is not the slit of the downward portion of the discharge pipe, Furthermore, since the liquid is discharged smoothly and as a quiet laminar flow without splash, and the content liquid is opened to the atmosphere at the upper end of the slit, the length of the downward portion of the discharge pipe is substantially shortened, and the amount is reduced accordingly. Since the water is drained well, the amount of the content liquid flowing down from the downward portion of the discharge pipe after the pouring pump is stopped is reduced, and the drainage after the pump is stopped is improved.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of an electric pot to which a discharge pipe according to a first invention of the present application is attached.

FIG. 2 is a sectional view of an electric pot to which a discharge pipe according to a second invention of the present application is attached.

FIG. 3 is an enlarged view of a discharge pipe portion of FIG.

FIG. 4 is a front view of a slit provided at the lower end of the discharge pipe of the second invention of the present application.

FIG. 5 is a lower end view of the lower end of the discharge pipe of the second invention of the present application.

FIG. 6 is a cross-sectional view of an electric pot of a prior art example.

[Explanation of symbols]

2 Inner container 4 Pouring channel 5 Water stop valve 5a Valve chamber 5b Valve opening 6 Discharge pipe 8 Lower end 10 Slit D Inner diameter of valve opening d ₁ Inner diameter of passage in discharge tube d ₂ Inner diameter of outlet

Claims (2)

[Scope of utility model registration request] From 1. A valve chamber of the fall water stop valve provided on the upper end of the pouring outlet which rises from the bottom of the container, top of this
In the discharge pipe of the liquid container that extends a little to the upper part through the valve port facing toward the front and bends further downward, the cross section of the passage from the valve port to the discharge port at the lower end is the inner diameter D of the valve port , Change in order of inner diameter d ₁ and inner diameter d ₂ of discharge port
A discharge pipe for a liquid container , wherein D> d ₁ ≧ d ₂ is satisfied . Discharge pipe 2. A downward part, the discharge at the lower end
The discharge pipe for a liquid container according to claim 1, wherein a slit in the length direction of the discharge pipe is provided in a part of the peripheral edge of the mouth .