JPH049970Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention uses pressurized air from an air pump to inject the liquid in the inner container contained in the liquid container body to the outside through a series of liquid pouring passages. This invention relates to a pump-type liquid container that can be dispensed.

(Prior Art) FIG. 7 shows a conventional general pump-injection type liquid container. Lid body 1 housing pump 109
20 is placed, and when the lid is closed, the discharge port 109a of the air pump 109 blows the inner container 10 through the air blowing passage 130 formed in the inner stopper 102 located below.
I am trying to communicate within 7.

However, in such a conventional pump-filled liquid container, a lid 120 with a built-in air pump 109 is placed on the top of the liquid container main body 101, and the air pump 109 is located above the inner stopper 102. Therefore, there was a problem that the height of the entire liquid container became high.

In addition, in this conventional pump injection type liquid container, the pump operation member 119 is provided approximately at the center of the top surface of the lid 120, and the pump operation position and the position of the liquid spout 114 are separated by a large distance in the horizontal direction. Therefore, when dispensing liquid, place the liquid receiving container at spout 1.
There is also the problem that the installation work below the pump 14 and the operation of the pump are troublesome.

(Purpose of the invention) In view of the above-mentioned problems with conventional pump-filling type liquid containers, the present invention aims to reduce the overall height of the liquid container and to facilitate operation when dispensing liquid. Another object of the present invention is to enable external display of the amount of liquid in the inner container in such a pump-filled liquid container.

(Means for achieving the object) The present invention blows pressurized air from an air pump into the inner container housed in the liquid container main body, and uses the pressurized air to blow the liquid inside the inner container inside and outside the inner container. In a pump-filling type liquid container that is capable of dispensing to the outside through a communicating liquid dispensing passage, an air pump is inserted into the liquid container body within a space between the exterior body of the liquid container body and the shoulder of the inner container. It is installed at the same height as the stopper of the liquid supply port, and furthermore, the operation member of the air pump is provided on the spout side of the liquid pouring passage, and the lower end is located outside of the inner container at the inner bottom of the inner container. This is characterized in that a vertically elongated liquid quantity display tube is installed so as to communicate with the liquid volume display tube.

(Function) In this invention, the air pump is installed at the same height as the liquid supply port stopper in the space between the outer case and the shoulder of the inner container, so there is an extra space that has not been used much in the past. can be used effectively. Furthermore, since the operating member of the air pump is provided on the spout side, the pump operating member and the spout are close to each other in the horizontal direction.
Further, by providing a liquid level display tube, the liquid level in the inner container can be checked from the outside.

(Embodiments) Several embodiments of the present invention will be described with reference to FIGS. 1 to 6. FIGS. 1 and 2 show the first embodiment of the present invention, and FIGS. 1 and 2 show pump-injected liquid containers according to second to fifth embodiments of the present invention, respectively.

The pump injection type liquid container of the first embodiment shown in FIGS. 1 and 2 includes a liquid container main body 1 having an inner container 7 housed in an exterior body 3, and a liquid supply port of the liquid container main body 1. 8, an air pump 9 for feeding pressurized air into the inner container 7, and an inner container 7.
It is constructed using a series of liquid pouring passages 10 that communicate the inside and outside of the inner container 7, and a liquid amount display tube 80 for displaying the amount of liquid in the inner container 7 to the outside.

The exterior body 3 is constructed by attaching an annular shoulder member 5 to the upper part of the outer body 4 and further attaching a bottom member 6 to the lower part of the outer body 4.

The shoulder member 5 has a double wall structure including an outer peripheral wall 51 and an inner peripheral wall 52. A portion of the outer peripheral wall 51 is provided with a bulging portion 53 that bulges outward in the circumferential direction, and inside the bulging portion 53 there is a relatively large space that can house an air pump 9 as described later. A large volume cavity 54 is formed. A sliding hole 54a is formed in the upper part of this space 54 to allow the operation plate 19 of the air pump 9 to slide up and down. Further, the inside of the inner peripheral wall 52 of the shoulder member 5 serves as a plug insertion hole 55, and the inner surface of the plug insertion hole 55 is formed with a female thread for screwing the plug body. Further, a liquid supply port 8 communicating with the upper opening of the inner container 7 is formed at the lower part of the plug insertion hole 55 . Further, a horizontal step portion 56 is formed near the upper portion of the plug insertion hole 55 .

The plug 2 is detachably screwed into the plug insertion hole 55, and when the plug 2 is tightened, the plug 2 is inserted into the plug insertion hole 55.
The upper surface is made to be substantially flush with the upper surface of the liquid container main body 1 (shoulder member 5), so that the height of the entire liquid container is not increased by the plug body 2. Further, a large diameter portion 21 is formed in the upper part of the plug body 2 to cover the upper surface of the horizontal stepped portion 56 of the plug insertion hole 55.

The inner container 7 is a vacuum insulated double bottle with a narrow upper opening 7a. Further, the outer side of the upper opening 7a of the inner container 7 forms a shoulder portion 7b.

The liquid pouring passage 10 includes a liquid pumping tube 11 inserted into the inner container 7, and a liquid pouring tube 12 connected to an end of the liquid pumping tube 11 outside the inner container 7.
It has an auxiliary spouting pipe 13 connected to the outlet 12a of the liquid spouting pipe 12. The liquid pumping tube 11 is installed through a hole 71 formed in the shoulder portion 7b of the inner container 7. Note that there is a cylindrical packing 72 between the hole 71 of the inner container shoulder 7b and the liquid pumping pipe 11.
is provided. The liquid spouting pipe 12 is installed laterally within the cavity 54 of the bulging portion 53 of the shoulder member 5, and the outlet 12a of the liquid spouting pipe 12 is located far outside the outer surface of the outer shell 4 of the liquid container body 1. It is protruding towards the side. The auxiliary pouring pipe 13 is the liquid pouring tube 12
are connected downward from the exit 12a of the
The lower end of the auxiliary spout pipe 13 serves as a spout 14 .
Further, a water stop valve 16 is provided in the middle of the liquid pouring pipe 12. This water stop valve 16 is biased in the closing direction by a spring 17, and is opened in conjunction with pump pressing operation, as will be described later.

The air pump 9 is of a bellows type. This air pump 9 is installed in a space 54 between the exterior body 3 and the inner container shoulder 7b. That is, in this first embodiment, the air pump 9
is a space 5 provided between the front wall 53a of the shoulder member bulging portion 53 and the inner container shoulder portion 7b, which is a part of the exterior body 3.
It is installed at a position directly above the spout 14 in the spout 4 and at the same height as the stopper 2 so as not to interfere with the stopper 2 in the vertical direction. Further, a pump operation plate 19 is installed above the air pump 9 so as to be movable up and down within the sliding hole 54a.

A pressing member 41 is provided at the center of the air pump 9 to open and close the water stop valve 16 in conjunction with pump operation. This pressing member 41 is connected to the lower surface of a suction valve 92 provided on a pump top plate 91 and is freely retractable downward from a hole 94 formed in a pump bottom plate 93. A hole 94 in the pump bottom plate 93 is vertically closed with flexible packing 95. When the pressing member 41 presses the pump operation plate 19, the pressing member 41 is moved downward as the air pump 9 contracts, and the lower end 41 of the pressing member 41
At step a, the water stop valve 16 can be opened by pushing down through the gasket 95.

The air pump 9 and the inside of the inner container 7 are communicated through an air blowing passage 30. This air blowing passage 30 is connected from the air pump 9 to the plug insertion hole 55.
It is composed of a first passage 30A provided in between and a second passage 30B provided within the plug body 2. One end of the first passage 30A opens into the pump from the pump bottom plate 93, and the other end opens onto the upper surface of the horizontal stepped portion 56 of the plug insertion hole 55. Also, the second passage 3
One end of 0B opens at the lower surface of the large diameter portion 21 of the plug body, and the other end opens at the center of the lower surface of the plug body 2. The first passage 30A and the second passage 30B are
When the plug 2 is completely tightened into the plug insertion hole 55, the opening on the horizontal step portion 56 side of the first passage 30A and the opening on the plug large diameter portion 21 side of the second passage 30B are airtight. The air blowing passages 30 are connected to each other to form a series of air blowing passages 30. Further, a water stop valve 32 is provided in the second passage 30B to prevent the liquid in the inner container 7 from flowing into the second passage 30B when the liquid container is overturned.

In FIG. 1, the reference numeral 23 is a handle for holding the liquid container, 25 is a recess for holding a finger for rotating the stopper, and 2
Reference numeral 6 denotes a stopper for restricting the downward movement of the pump operation plate 19 when the pump is not operated.

A hole 74 is formed at the bottom of the inner container 7 for communicating the liquid level display tube 80, and a lower end 80a of the liquid level display tube 80 is inserted into the hole 74 through a packing 75.
is connected. The liquid level display tube 80 is connected to the inner container 7
The transparent tube part 81 can be viewed through a viewing window 90 provided in the exterior body 3. Liquid level display tube 80
In this first embodiment, the upper end 80b is opened directly below the installation position of the water stop valve 16 in the liquid spouting pipe 12.

On the other hand, a valve seat in the liquid spouting pipe 12 that is closed by the water stop valve 16 is a very short annular wall 18 that projects downward. A small hole 18a for air circulation into the liquid quantity display tube 40 is formed in a part of the annular wall 18.
Through this, air is introduced into or discharged into the liquid amount display tube 40 as the amount of liquid in the inner container 7 increases or decreases. Further, a short upward annular wall 28 is formed around the upper end 40b opening of the liquid volume display tube 40 in the liquid spouting tube 12. This upward annular wall 28 is located directly below the water stop valve 16, and when the water stop valve 16 is pushed down in conjunction with pump operation as shown in FIG. 28 to shut off the inside of the liquid pouring tube 12 and the inside of the liquid volume display tube 80, and when the liquid is poured out, the liquid whose temperature has decreased in the liquid volume display tube 80 is transferred to the liquid pumping tube. It mixes with the high temperature liquid pumped up from the 11 side and prevents it from being poured out.

In the pump-filling liquid container shown in FIG. 1, the air pump 9 is installed at the same height as the stopper 2 in the space 54 between the outer case 3 and the inner container shoulder 7b. It is possible to effectively utilize a space that is not used much, and it is possible to make the liquid container more compact (reducing its height). Furthermore, since the lid can be omitted on the upper part of the liquid container body 1, the height of the liquid container can be kept even lower. In addition, the liquid supply port 8 can be opened by simply removing the plug body 2.
Liquid can be replenished into the inner container 7 from the inner container 7.
The remaining liquid inside can be drained. Moreover, when the pump operation plate 19 is pressed, pressurized air from the air pump 9 is blown into the inner container 7 through a series of air blowing passages 30, and the inner container 7 is blown by the pressurized air.
The liquid inside can be poured out through a series of liquid pouring passages 10 through a spout 14 at the tip thereof. At that time (during the liquid pouring operation), the pump operation part is located directly above the spout, and the pump operation position and the liquid pouring position are close to the horizontal direction (overlapping), so the spout 14 The work of positioning the liquid receiving container below and the work of pressing the pump operation plate 19 can be performed continuously (liquid injection work becomes easy). Further, the liquid level in the inner container 7 can be confirmed by observing the liquid level in the liquid level display tube 80 through the viewing window 90.

In the pump liquid injection container of the second embodiment shown in FIG. 3, the air pump 9 is formed in an annular shape,
It is installed in an annular space 54 between an outer circumferential wall 51 and an inner circumferential wall 52 of the shoulder member 5. Moreover, this air pump 9 has the following characteristics depending on the size of the annular space 54:
The shoulder member 5 is thick on the side where the bulging portion 53 is formed, and gradually becomes thinner toward the opposite side, so that the capacity inside the air pump 9 can be made as large as possible. This air pump 9 uses a flexible membrane material 96 instead of a bellows type, and a pump top plate 91 provided on the top of the membrane material 96.
One end on the side opposite to the pump operating section is pivotally supported by a shaft 97 on the outside of the membrane material 96. When the pump operation plate 19 is pressed, the pump top plate 91 pivots downward about its one end pivot (shaft 97), thereby compressing the air pump. In addition, when operating the pump, the air pump 9
The pump top plate pivot side portion 9b hardly expands or contracts. Further, in this second embodiment, the liquid pumping pipe 11 and the liquid pouring pipe 12 of the liquid pouring passage 10 are
are fitted into the communication hole 15 formed to penetrate the inner peripheral wall 52 of the shoulder member from the inner and outer sides respectively. Furthermore, in this second embodiment, the plug body 2 is of the screw type, but can be attached and detached with a single touch using a stopper device 60. That is, the plug body 2 is provided with a locking member 61 that can be slid horizontally from the outside, and on the other hand, a claw receiving portion 64 that can lock the claw 62 of the locking member 61 is formed on the inner surface of the plug insertion hole 55. By engaging the pawl 62 of the locking member 61 with the pawl receiving portion 64, the plug body 2 can be installed in the plug insertion hole 55.
In addition, when removing the plug 2, by pushing the operating part 63 of the locking member 61 inward against the spring 65, it can be removed from the claw 62 and the claw receiving part 64, and in this state, the plug 2 can be removed. All you have to do is lift it.
The discharge port 9c of the air pump 9 is provided at the upper part of the narrowest part 9b of the air pump 9, and the discharge port 9c is provided at a portion near the rear end of the horizontal stepped portion 56 of the plug insertion hole 55. It is directly connected to the aperture 30Ab. In addition, one end 30Ba of the air passage 30B provided in the plug body 2 is opened at the rear lower surface of the plug large diameter portion 21, and communicates with the opening 30Ab of the horizontal step portion 56 when the plug body 2 is installed. It's becoming like that.

In addition, in the second embodiment shown in FIG.
A pipe 82 made of silicon or the like is interposed on the upper end side of the liquid quantity display tube 80 between the upper end 81a of the transparent tube section 81 and the rib 58 which projects downward from the lower surface of the shoulder member 5. A notch 58a for air circulation is formed in the side surface of the rib 58, and the upper end of the pipe 82 is fitted into the rib 58 without completely blocking the notch 58a. Therefore, air is introduced into or discharged from the liquid quantity display tube 80 through the notch 58a.

Each of the pump injection type liquid containers of the third embodiment shown in FIG. 4, the fourth embodiment shown in FIG. 5, and the fifth embodiment shown in FIG. A modification of the upper end mounting structure of the pipe 80 is shown.

In the third embodiment shown in FIG. 4, a pipe 84 is connected to the upper end 81a of the transparent tube part 81 of the liquid quantity display tube 80 via a connecting gasket 83, and the upper end opening 84a of the pipe 84 is connected to the shoulder member inner circumferential wall 52. is penetrated to face the inside of the liquid supply port 8.

In the fourth embodiment shown in FIG. 5, a silicon pipe 85 is connected to the upper end 81a of the transparent tube part 81, and an L-shaped pipe 86 is connected to the silicon pipe 85, and the other end of the L-shaped pipe 86 is connected to the upper end 81a of the transparent tube part 81. Inner container shoulder 7b
The inner container 7 is exposed through a hole 71 provided in the inner container 7 through a cylindrical packing 72.

The fifth embodiment shown in FIG. 6 shows a modification of the one shown in FIG.
A connecting pipe portion 87 having a length reaching the upper end 81a of the transparent tube portion 81 is integrally molded onto the cylindrical packing 72 interposed between the transparent tube portions 81 and 6. In this way,
The number of parts can be reduced compared to the case of FIG.

(Effects of the invention) The pump injection type liquid container of the invention has the following effects.

(1) Connect the air pump 9 to the outer body 3 and the inner container shoulder 7b.
Since it is installed at the same height as the plug body 2 in the space 54 between the air pump 9 and the plug body 2, the space 54, which has not been used much in the past, can be effectively utilized, and the air pump 9 is placed above and below the plug body 2. (2) The operating member 19 of the air pump 9 is connected to the liquid dispensing passage. 10 on the side of the spout 14, the pump operating position and the liquid pouring position are close to each other in the horizontal direction, and the work of positioning the liquid receiving container below the spout 14 and the operation of the pump operating member 19 are easy. It can be done continuously, making the liquid pouring work easier.

(3) Since the stopper 2 can be operated from the outside, a lid can be omitted in the pump injection type liquid container, and the overall height of the liquid container can be reduced accordingly.

(4) The liquid supply port 8 can be opened simply by opening the stopper 2, and the work of replenishing liquid into the inner container 7 or draining the remaining liquid in the inner container 7 can be easily performed.

(5) As described in (1) to (4) above, in the pump liquid container in which the air pump 9 and the stopper 2 are installed at the same height, the liquid volume display tube 80 is provided. Even in this type of pump injection type liquid container, the amount of liquid in the inner container 7 can be detected from the outside.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of a pump injection type liquid container according to a first embodiment of the present invention, FIG. 2 is a state change diagram of FIG. 1, and FIGS. FIGS. 7A and 7B are vertical sectional views of pump-injection type liquid containers according to the fifth embodiment, and FIG. 7 is a side view of a conventional pump-injection type liquid container in which the upper half is taken in section. DESCRIPTION OF SYMBOLS 1... Liquid container main body, 2... Plug body, 3... Exterior body, 5... Shoulder member, 7... Inner container, 7b... Shoulder part, 8... Liquid supply port, 9... Air pump, 10...
...Liquid pouring passage, 14... Outlet, 19... Pump operating member, 30... Air blowing passage, 54... Blank space, 80... Liquid amount display tube, 80a... Lower end, 81
...Transparent tube section.

Claims (1)

[Scope of utility model registration request] Pressurized air from an air pump 9 is blown into the inner container 7 housed in the liquid container body 1, and the pressurized air causes the liquid in the inner container 7 to flow through the liquid pouring passage 10 that communicates the inside and outside of the inner container 7. The air pump 9 is a pump-filling type liquid container that can be poured out to the outside, and the air pump 9 pumps liquid in a space 54 between the exterior body 3 of the liquid container body 1 and the shoulder portion 7b of the inner container 7. It is installed at the same height as the stopper 2 of the liquid supply port 8 of the container body 1, and the operating member 19 of the air pump 9 is located at the same height as the stopper 2 of the liquid supply port 8 of the container body 1.
4 side, and a vertically elongated liquid volume display tube 80 is installed on the outside of the inner container 7 so that its lower end 80a communicates with the inner bottom of the inner container 7. Filling type liquid container.