JP4135167B2 - Dispensing container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pump-type dispensing container for dispensing contents such as creamy liquids little by little.
[0002]
[Prior art]
As a pump-type dispensing container of this type, a dome-shaped elastic cylinder that can be elastically deformed and deformed is assembled to the upper end opening cylinder of the container main body, and a push-down head having a spout is provided at the upper end of the elastic cylinder. An assembly is known in which a suction valve is disposed at the opening of the mouth tube portion, and an extraction valve is disposed at the upper end opening of the elastic tube body, and the elastic tube body is configured as a pump chamber. (See Japanese Utility Model Publication No. 61-17072).
[0003]
[Problems to be solved by the invention]
However, in the above-described prior art, since the elastic cylinder, the suction valve, and the dispensing valve constituting the pump are separate members, the structure is complicated and the number of parts is increased. There is a problem that it is troublesome and the sealing property tends to be insufficient.
[0004]
Therefore, the present invention was devised to solve the above-described problems in the prior art, and in the pump-type dispensing container, the pump part is integrally formed with the container body, and the structure of the pump part The purpose is to reduce the number of parts, reduce the cost, facilitate assembly, and improve the sealing performance.
[0005]
[Means for Solving the Problems]
Among the present invention for solving the above technical problems, the means of the invention according to claim 1 is:
A shaft cylinder with a top is provided at the center of the top wall at the upper end of the body part, and a guide cylinder is provided on the outside, and a plurality of suction holes are provided along the circumferential direction in the top wall portion between the shaft cylinder and the guide cylinder. Having a container body opened at intervals,
Suction that is inserted and assembled into the guide cylinder of the container body and is externally mounted on the shaft cylinder. It provided a valve portion at the lower end, having a through cylindrical pump body to form an intermediate portion to elastically collapse deformable elastic portion up and down,
An extraction hole that communicates with the pump body through the pumping valve part of the pump body is opened in the top plate, inside the outer cylinder that can be slid up and down on the guide cylinder of the container body and cannot be removed. Having a push-down head that is bounced by the pump body, with an end surface abutting on the upper surface of the pump body, an inner cylinder that can enter the guide cylinder of the container body is suspended ,
It is in.
[0006]
The dispensing container is inserted and assembled into the guide cylinder of the container main body by inserting the pump body into the shaft cylinder of the container main body, and then the push-down head is fitted and assembled to the guide cylinder of the container main body. The assembly is completed.
[0007]
In use, when the push-down head is pushed down, the pump body is pressed and its elastic part is crushed and deformed, so that the contents in the pump body are pressurized and the dispensing valve part is opened, and the contents are poured. It is poured out through the outlet hole.
[0008]
Next, when the depression of the push-down head is released, the elastic part of the pump body is elastically restored and negative pressure is generated in the pump body, so that the suction valve part opens and the contents in the container body pass through the suction hole. Sucked into the pump body.
[0009]
The invention according to claim 2 is configured by closely fitting a container body with a slide lid that slides upward due to internal negative pressure in the lower portion of the body portion in the configuration of the invention according to claim 1. This is an addition to that.
[0010]
In the invention according to claim 2, since the contents can be poured out without sucking outside air into the container body, it is suitable for storing anaerobic contents and has a constant external shape. Therefore, when the appearance is not deteriorated according to use and the self-supporting function is given, the self-supporting function is stably maintained regardless of the consumption of the contents.
[0011]
The invention described in claim 3 is the configuration of the invention described in claim 1, wherein the container body is configured by a tube container in which the content storage portion of the trunk portion is reduced in volume by the negative pressure inside. It is added.
[0012]
In the invention according to claim 3, since the contents can be poured out without sucking outside air into the container body, it is suitable for storing anaerobic contents, and the structure of the container body is Can be the simplest.
[0013]
According to a fourth aspect of the present invention, in the configuration of the first aspect of the present invention, a lid plate is provided at the upper end of the gripping portion, with a cap projecting on the rear surface that can be fitted into the spout of the spout hole of the push-down head. An arc-shaped lock portion that is inserted between the outer cylinder of the push-down head and the top wall of the container body and that can be engaged and disengaged with the outer periphery of the guide cylinder of the container body is connected to the rear lower end of the gripping section. This is in addition to the fact that a configured lock lid is provided.
[0014]
In the invention of claim 4, when the container is not in use, the spout can be sealed by attaching a lock lid, and the push-down head is locked to prevent its unnecessary lowering. can do.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A container body 1 for storing contents such as anaerobic creamy liquid is assembled with a bottom lid 3 having an air hole 4 in a bottom plate at a lower end opening of a cylindrical body 2, and A slide lid 5 that slides upward due to negative pressure in the container body 1 is closely fitted in the lower end portion.
[0016]
In addition, a guide cylinder 7 having an outer peripheral surface provided with a retaining protrusion is provided on the top wall 6 at the upper end of the body 2 on the outer side, and a plurality of suction holes 8 are provided in the inner side along the circumferential direction. The shaft cylinder 9 having a crest is erected on the inner end.
[0017]
A penetrating tubular pump body 10 made of an elastic material such as silicon rubber has a thin tapered tubular dispensing valve portion 11 having a valve seat on the outer peripheral surface of the upper end portion of the shaft tube 9 at the upper end, and below it. In addition, the elastically deformable elastically deformable elastic portion 13 whose center is curved inward is formed through a receiving flange portion 12 having an upper surface formed in a step shape. A suction valve portion 14 in the form of a thin horizontal ring that opens and closes the suction hole 8 is continuously provided.
[0018]
The push-down head 20 hangs down an outer cylinder 23 that is fitted on the guide cylinder 7 of the container body 1 so as to be slidable up and down and cannot be pulled out on the periphery of the top plate 21 projecting a pouring cylinder 22 at the front end. In addition, an inner cylinder 24 whose lower end surface is formed in a stepped shape so as to abut on the upper surface of the receiving flange portion 12 of the pump body 10 is provided in an inward direction, and the center of the inner top plate 21 of the inner cylinder 24 is suspended. A part is recessed upward to form a pouring chamber 25, and a pouring hole 26 is opened from the pouring chamber 25 to the front end of the pouring cylinder 22.
[0019]
The lock lid 30 is provided with a lid plate 32 having a plug 33 that can be fitted to the spout of the spout hole 26 at the rear surface at the upper end of a grip portion 31 formed by recessing both side surfaces in a circular arc shape. In the rear end of the lower end of the grip portion 31, an arc shape is inserted between the outer cylinder 23 of the push-down head 20 and the top wall 6 of the container body 1 and can be engaged with and disengaged from the outer periphery of the guide cylinder 7 of the container body 1. The lock portion 34 is continuously provided.
[0020]
In the case of storing anaerobic contents, the container body 1 is constituted by a tube container in which the contents storage part of the body part 2 is flattened and deformed due to the negative pressure inside as the contents decrease. In this case, the tube container has a double structure, and the inner tube forming the contents storage portion remains flat and volume-reduced and deformed, but the outer tube returns to its original shape after the flat deformation. It should be good in appearance.
[0021]
【The invention's effect】
Since the present invention has the above-described configuration, the following effects can be obtained.
The elastic part, the suction valve part, and the dispensing valve part that constitute the pump function part are integrated into a penetrating cylindrical pump body, which simplifies the structure of the pump function part and reduces the number of parts. The cost is reduced and the assembly is facilitated.
[0022]
In addition, since the non-movable part of the pump function unit is configured by a part of the container main body, the pump function unit can be integrated with the container main body. Can be very high.
[Brief description of the drawings]
FIG. 1 is an overall longitudinal side view showing an embodiment of the present invention.
FIG. 2 is a top side view of the embodiment shown in FIG. 1 with a lock lid separated.
FIG. 3 is a plan view of a lock lid in the embodiment shown in FIG. 1;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1; Container body 2; Body part 3; Bottom cover 4; Air hole 5; Slide cover 6; Top wall 7; Guide cylinder 8; Suction hole 9; Part 13; Bulleting part 14; Suction valve part 20; Depressing head 21; Top plate 22; Outlet cylinder 23; Outer cylinder 24; Inner cylinder 25; Outlet chamber 26; Outlet hole 30; Lock lid 31; 32; Lid 33; Plug 34; Lock part

Claims (4)

The barrel (2) is provided with a shaft cylinder (9) having a top at the center of the top wall (6) at the upper end and a guide cylinder (7) on the outside, and the shaft cylinder (9) and the guide cylinder (7 A plurality of suction holes (8) in the top wall (6) between the container body (1) opened at intervals along the circumferential direction, and inserted into the guide tube (7). And a suction valve that opens and closes the suction hole (8), and is provided with an extraction valve portion (11) having an outer peripheral surface of the upper end portion of the shaft cylinder (9) as a valve seat. Through a through-pipe-shaped pump body (10) provided with a part (14) at the lower end and an intermediate part formed in an elastically deformable elastic part (13) up and down, and the dispensing valve part (11) pump body (10) and communicating with Note Deana (26) opened in the top plate (21), said lifting slidably in the guide tube (7), and exit incapable fitted Inside the cylinder (23), the lower end surface is brought into contact with the upper surface of the pump body (10), and the inner cylinder (24) that can enter the guide cylinder (7) is suspended, and the pump body ( 10) a pouring head comprising a push-down head (20) which is bulleted. 2. The pouring container according to claim 1, wherein the container body (1) is constructed by closely fitting a slide lid (5) that slides upward due to negative pressure inside the body (2). . The dispensing container according to claim 1, wherein the container body (1) is a tube container in which the content storage portion of the body (2) is reduced in volume by the negative pressure inside. At the upper end of the gripping part (31), a lid plate (32) projecting from the rear surface of a stopper (33) that can be fitted into the spout of the spout hole (26) of the push-down head (20) is provided continuously. Inserted between the outer cylinder (23) of the push-down head (20) and the top wall (6) of the container body (1) at the lower rear end of the gripping part (31) and engaged with the outer periphery of the guide cylinder (7). The dispensing container according to claim 1, 2 or 3, further comprising a lock lid (30) configured by continuously connecting a detachable arc-shaped lock portion (34).

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