CN214165644U

CN214165644U - Variable capacity packaging container

Info

Publication number: CN214165644U
Application number: CN202022204971.1U
Authority: CN
Inventors: 张迪; 欧伦
Original assignee: Hangzhou Zhifu Technology Co ltd
Current assignee: Hangzhou Zhifu Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-09-10
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a variable capacity packaging container, which relates to the packaging field and comprises a main body provided with an internal cavity, wherein the peripheral wall of the bottom of the inner cavity of the main body is hermetically connected with an elastic membrane which divides the internal cavity into two relatively closed spaces; one of the spaces is provided with a through hole, and a one-way air inlet valve is arranged at the through hole; the other space is provided with an outlet, and the outer edge of the outlet is sleeved with an upper cover; an inflatable air bag is arranged on the upper cover. The utility model discloses set up the elastic membrane in traditional packaging container, utilize the elastic membrane to separate it into two spaces, fill the inflation through aerifing to one of them space, compress the size in another space to play capacity adjustable function.

Description

Variable capacity packaging container

Technical Field

The utility model relates to the field of packaging, in particular to variable capacity packaging container.

Background

At present, most of packaging containers on the market are formed by injection molding based on a mold, so the capacity of the packaging containers is determined when the packaging containers are generally delivered from factories; but due to the structural uniqueness, certain use defects are caused on some products.

In the conventional cosmetic/skin care product field, the gel-like product is difficult to squeeze out after the amount of the product in the container is reduced, so that a set of containers with variable capacity needs to be developed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable capacity packaging container to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a main body provided with an internal cavity, wherein an elastic membrane is hermetically connected to the peripheral wall of the bottom of an inner cavity of the main body and divides the internal cavity into two relatively closed spaces;

one of the spaces is provided with a through hole, and a one-way air inlet valve is arranged at the through hole;

the other space is provided with an outlet, and the outer edge of the outlet is sleeved with an upper cover; an inflatable air bag is arranged on the upper cover.

Preferably, the upper portion of the main body extends upwards to form a connecting section, the connecting section is in threaded connection with a tooth cover, and the outlet is formed in the top of the tooth cover.

Preferably, the inflatable air bag is provided with an input end, the input end is provided with a one-way valve, and when the upper cover is covered on the pressure cover, the outer end face of the valve cover of the one-way valve abuts against the outlet to seal the outlet.

Preferably, the one-way intake valve is located at the bottom of the body.

Preferably, the structure of the one-way air intake valve comprises a hollow valve core with a rear opening and composed of a sliding shell and a blocking head, an air inlet is formed in the circumferential surface of the sliding shell, a valve seat is arranged at the rear section of the valve core, the rear end of the blocking head is fixedly connected with a first stressed end of a spring, a second stressed end of the spring is connected to the valve seat, and an air inlet is formed in the end surface of the valve seat;

the valve core is arranged in the valve body, and the valve core is arranged in the valve body; in the initial state, the plugging head is tightly propped against the valve port by a spring to keep the valve port sealed, after the input section inputs air pressure, the plugging head is pushed into the transition section with a larger caliber, and gas enters the valve core from the gap through the air inlet and is finally output from the output section through the air inlet.

Preferably, the top of the upper cover is provided with an output port, the output port outer cover is provided with a protective cover, and the protective cover is hinged on the upper cover.

The utility model discloses a technological effect and advantage:

the utility model discloses set up the elastic membrane in traditional packaging container, utilize the elastic membrane to separate it into two spaces, fill the inflation through aerifing to one of them space, compress the size in another space to play capacity adjustable function.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of one of the states in the practice of the present invention;

fig. 4 is a schematic structural diagram of the air inlet check valve of the present invention.

In the figure: 1. a main body; 11. a connecting section; 13. a tooth cover; 131. an outlet; 2. an upper cover; 21. an output port; 22. a protective cover; 3. an elastic film; 4. a one-way intake valve; 41. a valve port; 42. plugging a plug; 43. A valve seat; 44. a spring; 45. a sliding housing; 46. a transition section; 47. an air inlet; 5. a bottom cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a variable capacity packaging container as shown in figure 1, which comprises a main body 1 provided with an internal cavity, wherein an elastic membrane 3 is hermetically connected on the peripheral wall of the bottom of the inner cavity of the main body 1, and the internal cavity is divided into two relatively closed spaces by the elastic membrane 3;

two spaces refer to a and B in fig. 1, wherein the a space is used for placing products and the B space is used for regulation.

The bottom in B space is provided with the opening, and one-way admission valve 4 is installed out to the opening, and in addition, for one-way admission valve 4's cleaning nature, bottom 5 has been installed in one-way admission valve 4's outside, and bottom 5 articulates on main part 1, and the usable magnetism of one end of keeping away from the articulated shaft is inhaled and is fixed.

Referring to fig. 4, the structure of the one-way intake valve 4 includes a hollow valve core with a rear opening formed by a sliding housing 45 and a blocking head 42, an air inlet 47 is formed on the circumferential surface of the sliding housing 45, a valve seat 43 is arranged at the rear section of the valve core, a first stressed end of a spring 44 is fixedly connected to the rear end of the blocking head 42, a second stressed end of the spring 44 is connected to the valve seat 43, and an air inlet is formed on the end surface of the valve seat 43;

the valve core is arranged in the valve body, and the valve core is arranged in the valve body; in the initial state, the blocking head 42 is pressed against the valve port 41 by the spring to keep the valve port sealed, after the input section inputs air pressure, the transition section with larger inlet diameter of the blocking head 42 is pushed, and the gas enters the valve core from the gap through the air inlet 47 and is finally output from the output section through the air inlet. The arrows in fig. 4 show the gas route during intake.

After inflation, the space B expands and the elastic membrane 3 deforms and arches upwards, and reaches the state of fig. 3, so that the space B increases and the space a decreases. It is less convenient to pour or squeeze out when the product in space a is small.

In the present embodiment, the following design is made for the convenience of the charging operation of the one-way intake valve 4.

Continuing to refer to fig. 1, an upper cover 2 is arranged on the top of the main body 1, the upper cover 2 is made of a flexible extrudable material, and an inflatable air bag 23 is arranged on the inner edge of the upper cover 2, a one-way valve 24 is arranged at the input end of the inflatable air bag 23, an output end of the inflatable air bag 23 is provided with an output port 21, a protective cover 22 covers the output port 21, and the mounting structure of the protective cover can refer to the bottom cover 5.

When the air inflation device is used for inflating, the upper cover 2 is taken down, the output port 21 is aligned with the input end of the one-way air inlet valve 4, the two can be connected in a threaded mode or in a transition fit mode for insertion, the air inflation air bag 23 is extruded, and the air inflation is carried out internally.

When the air is discharged, the plug 42 is pushed away by using a thimble, the valve port 41 is in an open state, and the air is discharged when the internal air pressure is greater than the atmospheric pressure.

In the embodiment, the structure is used for solving the sealing problem of the container; the upper portion of main part 1 upwards extends out coupling segment 11, coupling segment 11 threaded connection has tooth lid 13, and the top of tooth lid is provided with export 131 for extrude or pour out inside product.

The check valve 24 of the upper cover 2 is provided on the inner edge, and the check valve 24 is provided with a convex valve cover, and when the upper cover 2 is covered on the gland 13, the outer end surface of the valve cover of the check valve 24 abuts on the outlet 131 to seal it.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A variable capacity packaging container characterized by: the device comprises a main body (1) provided with an internal cavity, wherein an elastic membrane (3) is connected to the peripheral wall of the bottom of an inner cavity of the main body (1) in a sealing manner, and the elastic membrane (3) divides the internal cavity into two relatively closed spaces;

one of the spaces is provided with a through hole, and a one-way air inlet valve (4) is arranged at the through hole;

an outlet (131) is arranged in the other space, and the outer edge of the outlet is sleeved with an upper cover (2); an inflatable air bag (23) is arranged on the upper cover (2).

2. A variable capacity packaging container as claimed in claim 1, wherein: the upper portion of main part (1) upwards extends out linkage segment (11), linkage segment (11) threaded connection has tooth lid (13), export (131) set up in the top of tooth lid (13).

3. A variable capacity packaging container as claimed in claim 2, wherein: the inflatable air bag (23) is provided with an input end, and the input end is provided with a one-way valve (24).

4. A variable capacity packaging container as claimed in claim 3, wherein: the one-way air inlet valve (4) is positioned at the bottom of the main body (1).

5. A variable capacity packaging container as claimed in claim 1, wherein: the structure of the one-way air inlet valve (4) comprises a hollow valve core with a rear opening, wherein the valve core is composed of a sliding shell (45) and a blocking head (42), an air inlet (47) is formed in the peripheral surface of the sliding shell (45), a valve seat (43) is arranged at the rear section of the valve core, the rear end of the blocking head (42) is fixedly connected with a first stress end of a spring (44), a second stress end of the spring (44) is connected to the valve seat (43), and an air inlet hole is formed in the end surface of the valve seat (43);

the valve core is arranged in the valve body, and the valve core is arranged in the valve body; in an initial state, the blocking head (42) is tightly propped against the valve port (41) by a spring to keep the sealing of the valve port, after the air pressure is input into the input section, the transition section with larger inlet diameter of the blocking head (42) is pushed, the gas enters the valve core from the gap through the air inlet (47), and finally the gas is output from the output section through the air inlet.

6. A variable capacity packaging container as claimed in claim 3, wherein: the utility model discloses a safety valve, including upper cover (2), delivery outlet (21) are provided with at upper cover (2) top, delivery outlet (21) dustcoat is equipped with protective cover (22), and protective cover (22) articulate on upper cover (2).