CN212638547U

CN212638547U - Air pump and vacuum fresh-keeping container

Info

Publication number: CN212638547U
Application number: CN202021728050.9U
Authority: CN
Inventors: 魏宏华
Original assignee: Zhuhai Thankhot Biotechnology Co ltd
Current assignee: Zhuhai Thankhot Biotechnology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-02
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses an aspiration pump and vacuum refreshing container, an aspiration pump, include: the pump cover is made of elastic materials; the pump seat is connected with the pump cover in a sealing mode, an air suction cavity is formed between the pump cover and the pump seat, and the pump seat is provided with a mounting hole which is provided with a plurality of air holes along the circumferential direction; the gas sealing seat is provided with a flaring gas sealing surface above the gas hole, and the gas sealing surface encloses a gas channel communicated with the gas hole; the flexible diaphragm is attached to the gas sealing surface and can seal the gas channel, and a buckle is arranged at the lower end of the flexible diaphragm and clamped below the mounting hole; and the exhaust check valve is arranged on the pump seat and used for exhausting the gas in the pumping cavity. A vacuum preservation container comprising: container body, container lid and above-mentioned a kind of aspiration pump. The air pump has the advantages of reasonable structure and convenient use, and can effectively improve the air pumping efficiency. The air in the vacuum fresh-keeping container is extracted through the air extracting pump, so that the time and the energy can be greatly saved.

Description

Air pump and vacuum fresh-keeping container

Technical Field

The utility model relates to a food fresh-keeping field, in particular to aspiration pump and have vacuum fresh-keeping container of this aspiration pump.

Background

In daily life, in order to isolate flying insects and dust, people often use freshness containers to store various articles, such as medicines, fruits, nuts, and the like. The existing fresh-keeping container can achieve good tightness, prevent air from entering and play a certain role in storing articles. However, since a certain amount of air is initially present in the container, it is not possible to ensure that the container is kept in a vacuum state, so that the storage time of the container is short.

In order to prolong the preservation time of the articles, a method is generally adopted, in which air in the container is pumped out by using an air pump so that the interior of the container is kept in a vacuum state. The container cover of the existing fresh-keeping container is provided with an air extraction opening which has a self-sealing function, and an air extraction cylinder is connected to the air extraction opening, so that air in the fresh-keeping container can be extracted out, and vacuum fresh keeping is realized. However, the preservation container can be vacuumized only by the aid of the air pumping cylinder, and is very inconvenient to carry.

In order to solve the problem that the air pumping cylinder is inconvenient to carry, an air pumping pump is arranged on a container cover of the existing vacuum fresh-keeping container, and air in the vacuum fresh-keeping container is pumped out in a mode of pressing the air pumping pump. However, the structure of the air pump of the vacuum refreshing container is unreasonable, which results in low air pumping efficiency, and the user needs to press for many times to reach the vacuum effect, so the experience feeling is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air pump can labour saving and time saving and bleed high-efficiently.

The utility model discloses still provide a vacuum preservation container who has above-mentioned aspiration pump.

According to the utility model discloses an air extracting pump of first aspect embodiment includes: the pump cover is made of elastic materials; the pump seat is connected with the pump cover in a sealing mode, an air suction cavity is formed between the pump cover and the pump seat, and the pump seat is provided with a mounting hole which is provided with a plurality of air holes along the circumferential direction; the gas sealing seat is provided with a flaring gas sealing surface above the gas hole, and the gas sealing surface encloses a gas channel communicated with the gas hole; the flexible diaphragm is attached to the gas sealing surface and can seal the gas channel, a buckle is arranged at the lower end of the flexible diaphragm, and the buckle is clamped below the mounting hole; and the exhaust check valve is arranged on the pump seat and used for exhausting the gas in the pumping cavity.

The method has the following beneficial effects: the air pump is hermetically installed on a vacuum fresh-keeping container to be pumped, and the air pumping cavity is communicated with the inner cavity of the vacuum fresh-keeping container. When a user presses the pump cover, the air pressure in the air pumping cavity is increased, the flexible diaphragm bears downward force and blocks the air channel, and the air in the air pumping cavity is exhausted to the outside through the exhaust one-way valve; after the pump cover is loosened, the pump cover rebounds, the air suction cavity is in a negative pressure state, the exhaust check valve is closed at the moment, the flexible diaphragm is forced upwards and is separated from the air opening surface, and air in the vacuum fresh-keeping container is sucked into the air suction cavity through the air hole. The lower extreme of flexible diaphragm is equipped with the buckle, and the buckle card is arranged the below of mounting hole in to the vertical displacement of restriction flexible diaphragm prevents that flexible diaphragm breaks away from operating position and leads to the aspiration pump inefficacy. The mounting hole is provided with the gas pocket along circumference, and the below of mounting hole is arranged in to the buckle card to avoided the condition of buckle shutoff gas pocket, and then guaranteed the area of admitting air and improved air exhaust efficiency, the user only need press 3 to 4 pump covers, alright take out the most air in the inner chamber. The air pump has the advantages of reasonable structure, convenient use, effective improvement of air exhaust efficiency and time and labor saving for vacuumizing operation.

According to some embodiments of the utility model, adjacent two be formed with the backstop between the gas pocket, the backstop extends downwards and is less than the position of gas pocket and is used for the restriction the ascending displacement of buckle in vertical side.

According to the utility model discloses a some embodiments, be equipped with the installation department on the pump seat, the mounting hole and the gas pocket is all located on the installation department, seal the gas seat cover and establish on the installation department, it is equipped with the air vent to seal the gas seat, the air vent is located a plurality ofly and communicate between gas pocket and the gas channel gas pocket and gas channel.

According to some embodiments of the utility model, seal the gas seat and flexible diaphragm is made by silica gel.

According to the utility model discloses a some embodiments, be equipped with many spacing muscle on the pump seat, many spacing muscle is followed flexible diaphragm's circumference sets up, many spacing muscle is used for the restriction flexible diaphragm's horizontal displacement.

According to some embodiments of the utility model, be provided with the elastic component that resets in the extraction chamber, the one end of elastic component that resets with the pump cover is connected, the other end with the pump seat is connected.

According to some embodiments of the utility model, the elastic component that resets is the pressure spring.

According to the utility model discloses a some embodiments, the pump cover is provided with sealed muscle, the pump seat is equipped with the seal groove, sealed muscle can inlay in the seal groove, so that the pump cover with pump seat sealing connection.

According to the utility model discloses vacuum refreshing container of second aspect embodiment, including the container body, container lid and the utility model discloses the aspiration pump of above-mentioned first aspect embodiment, the container lid with container body sealing connection, the container lid with form the inner chamber between the container body, first through-hole has been seted up on the container lid, the aspiration pump with first through-hole sealing connection, the aspiration chamber with the inner chamber passes through the mounting hole intercommunication.

The method has the following beneficial effects: the container cover of the vacuum fresh-keeping container is provided with a first through hole, the first through hole is hermetically provided with an air extracting pump, and an air extracting cavity of the air extracting pump is communicated with the inner cavity of the vacuum fresh-keeping container through a mounting hole. The user can be through pressing the aspiration pump to bleed to the inner chamber of vacuum refreshing container, can carry out the evacuation operation high-efficiently, has saved user's time and energy greatly. After the vacuumizing operation is finished, the inner cavity of the vacuum preservation container forms a vacuum environment, so that the preservation time of the articles can be prolonged.

According to some embodiments of the utility model, the second through-hole has been seted up on the container closure, install the sealing plug in the second through-hole, but the shutoff of sealing plug the second through-hole.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a container cover according to an embodiment of the present invention;

fig. 2 is an exploded view of a container lid according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an air pump according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic partial structural view of a pump mount according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a vacuum refreshing container according to an embodiment of the present invention.

Reference numerals: the air-tight sealing device comprises a pump cover 1, a pump base 2, a mounting hole 21, an air hole 22, a limiting rib 23, a stop block 24, a mounting part 25, an air sealing base 3, an air sealing surface 31, an air vent 32, an air channel 33, a flexible membrane 4, a buckle 41, an exhaust one-way valve 5, a reset elastic part 6, a container body 7, a container cover 8, a first through hole 81, a second through hole 82 and a sealing plug 83.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, according to the utility model discloses an air pump, including pump cover 1, pump seat 2, seal gas holder 3, flexible diaphragm 4 and exhaust check valve 5.

The pump cover 1 is made of elastic material. Pump seat 2 and pump cover 1 sealing connection form the chamber of bleeding between pump cover 1 and the pump seat 2, have seted up mounting hole 21 on the pump seat 2, and mounting hole 21 is provided with a plurality of gas pockets 22 along circumference. The gas seal holder 3 is provided with a flared gas seal surface 31 above the gas holes 22, and the gas seal surface 31 encloses a gas passage 33 communicating with the gas holes 22. The flexible membrane 4 is attached to the gas sealing surface 31 and can seal the gas channel 33, the lower end of the flexible membrane 4 is provided with a buckle 41, and the buckle 41 is clamped below the mounting hole 21. And the exhaust check valve 5 is arranged on the pump seat 2 and used for exhausting the gas in the pumping cavity.

In particular, the exhaust check valve 5 may be a check valve commonly available on the market, for example: the second one-way valve of the Chinese invention application is named as a container cover and a vacuum fresh-keeping container and has the publication number of CN 108001836A. In addition, the pump cap 1 is preferably made of a polypropylene material. The polypropylene material has better elasticity, and the pump cover 1 made of the polypropylene material can quickly rebound, so that the air extraction efficiency of the air extraction pump is improved.

The air pump is hermetically installed on a vacuum fresh-keeping container to be pumped, and the air pumping cavity is communicated with the inner cavity of the vacuum fresh-keeping container. A user presses the pump cover 1, the air pressure in the air pumping cavity is increased, the flexible diaphragm 4 bears downward force and blocks the air channel 33, and the air in the air pumping cavity is exhausted to the outside through the exhaust one-way valve 5; after the pump cover 1 is loosened, the pump cover 1 rebounds, the air suction cavity is in a negative pressure state, the exhaust one-way valve 5 is closed at the moment, the flexible membrane 4 is forced upwards and leaves the air sealing surface 31, and air in the vacuum fresh-keeping container is sucked into the air suction cavity through the air hole 22. The lower extreme of flexible diaphragm 4 is equipped with buckle 41, and the buckle 41 card is arranged in the below of mounting hole 21 to the vertical displacement of restriction flexible diaphragm 4 prevents that flexible diaphragm 4 breaks away from operating position and leads to the aspiration pump inefficacy. The mounting hole 21 is provided with the gas pocket 22 along circumference, and the below of mounting hole is arranged in to buckle 41 card to avoided the condition of buckle 41 shutoff gas pocket 22, and then guaranteed the area of admitting air and improved air exhaust efficiency, the user only need press 3 to 4 pump covers 1, alright take out the most air in the inner chamber. The air pump has the advantages of reasonable structure, convenient use, effective improvement of air exhaust efficiency and time and labor saving for vacuumizing operation.

Referring to fig. 4 and 5, in some embodiments of the present invention, a stopper 24 is formed between two adjacent air holes 22, and the stopper 24 extends downward to a position lower than the air holes 22 and is used for limiting the displacement of the buckle 41 in the vertical direction. Specifically, the stopper 24 limits the displacement of the catch 41 in the vertical direction, and the catch 41 is disposed below the flexible diaphragm 4, so that the stopper 24 simultaneously limits the displacement of the flexible diaphragm 4 in the vertical direction, and the flexible diaphragm 4 can be prevented from being moved out of the working position by the upward force.

Referring to fig. 2, 4 and 5, in some embodiments of the present invention, an installation portion 25 is disposed on the pump base 2, the installation hole 21 and the air hole 22 are disposed on the installation portion 25, the air sealing base 3 is sleeved on the installation portion 25, the air sealing base 3 is provided with an air hole 32, and the air hole 32 is located between the air holes 22 and the air channel 33 and is connected with the air hole 22 and the air channel 33. Specifically, when a user presses the pump cover 1, the air pressure in the air pumping cavity is increased, at the moment, the flexible membrane 4 bears downward force and blocks the air channel 33, and the air in the air pumping cavity is exhausted to the outside through the exhaust one-way valve 5; after the pump cover 1 is loosened, the pump cover 1 rebounds, the air suction cavity is in a negative pressure state, the exhaust one-way valve 5 is closed at the moment, the flexible membrane 4 is forced upwards and leaves the air sealing surface 31, and air in the vacuum fresh-keeping container sequentially passes through the air hole 22, the air vent 32 and the air channel 33 and is sucked into the air suction cavity.

Referring to fig. 2 and 3, in some embodiments of the present invention, the air-tight seat 3 and the flexible diaphragm 4 are made of silicone. Furthermore, the silica gel has stable performance and no toxicity or harm to human bodies, so the silica gel is suitable for manufacturing parts related to food preservation. Moreover, the silica gel is soft and easy to machine, so that the air sealing surface 31 of the air sealing seat 3 and the lower surface of the flexible membrane 4 can form extremely smooth curved surfaces, and a good air sealing effect can be obtained when the flexible membrane 4 is attached to the air valve seat 3 and blocks the air channel 33. In addition, because the elasticity of silica gel material is good, seal gas holder 3 and flexible diaphragm 4 and need not to borrow other instrument and can install on installation department 25, be convenient for seal gas holder 3 and the dismouting of flexible diaphragm 4.

Referring to fig. 2, 4 and 5, in some embodiments of the present invention, the pump base 2 is provided with a plurality of limiting ribs 23, the plurality of limiting ribs 23 are disposed along the circumferential direction of the flexible diaphragm 4, and the plurality of limiting ribs 23 are used for limiting the horizontal displacement of the flexible diaphragm 4. Specifically, the plurality of limiting ribs 23 can effectively prevent the flexible membrane 4 from shifting in the repeated air suction process, so that the accidental blocking of the air channel 33 is avoided.

Referring to fig. 2 and 3, in some embodiments of the present invention, a restoring elastic member 6 is disposed in the pumping cavity, one end of the restoring elastic member 6 is connected to the pump cover 1, and the other end is connected to the pump base 2. The elastic component 6 that resets is located the intracavity of bleeding, and pump cover 2 self has elasticity, can kick-back automatically after removing external force, however, after the negative pressure of the inner chamber of vacuum preservation container reached certain degree, light probably is not enough to kick-back to initial condition by the elasticity of elastic component 6 self that resets. Therefore, the restoring elastic member 6 contributes to the rebound of the pump cap 1. It is understood that the pump cap 1 itself has elasticity, so that in other embodiments, the return elastic element 6 can be omitted.

More specifically, the return elastic member 6 is a compression spring. When the negative pressure of the inner cavity of the vacuum fresh-keeping container reaches a certain degree, the elasticity of the pressure spring can help the pump cover 1 to rebound to the initial state.

Referring to fig. 2 and 3, in some embodiments of the present invention, the pump cover 1 is provided with a sealing rib, and the pump base 2 is provided with a sealing groove, and the sealing rib can be embedded in the sealing groove to connect the pump cover 1 and the pump base 2 in a sealing manner. Particularly, the sealing ribs are embedded in the sealing grooves to realize the sealing connection of the pump cover 1 and the pump base 2, and the connection mode has good sealing performance and is beneficial to the mass production of factories. In addition, the user can conveniently carry out the dismouting to can wash the inside in exhaust chamber.

Referring to fig. 1, 2 and 6, a vacuum refreshing container according to a second aspect of the present invention includes a container body 7, a container cover 8 and an air pump as described above.

Wherein, container lid 8 and the container body 7 sealing connection, form the inner chamber between container lid 8 and the container body 7, seted up first through-hole 81 on the container lid 8, the aspiration pump is sealed to be set up on first through-hole 81, communicates through gas pocket 22 between inner chamber and the aspiration cavity.

The container cover of the vacuum fresh-keeping container is provided with a first through hole, the first through hole is hermetically provided with an air extracting pump, and an air extracting cavity of the air extracting pump is communicated with the inner cavity of the vacuum fresh-keeping container through a mounting hole. The user can be through pressing the aspiration pump to bleed to the inner chamber of vacuum refreshing container, can carry out the evacuation operation high-efficiently, has saved user's time and energy greatly. After the vacuumizing operation is finished, the inner cavity of the vacuum preservation container forms a vacuum environment, so that the preservation time of the articles can be prolonged.

Referring to fig. 1, 2 and 6, in some embodiments of the present invention, a second through hole 82 is formed on the container cover 8, a sealing plug 83 is installed in the second through hole 82, and the sealing plug 83 can seal the second through hole 82. Specifically, the sealing plug 83 is made of silica gel, and after the air pump pumps most of the air in the inner cavity of the vacuum preservation container, the inner cavity of the vacuum preservation container is in a vacuum state, and the pressure of the inner cavity is far less than the external pressure, so that the container cover 8 and the container body 7 are difficult to separate. At this time, the user breaks the sealing plug 83, so that a gap is formed between the sealing plug 83 and the second through hole 82, air enters the inner cavity of the vacuum preservation container, the negative pressure state in the vacuum preservation container is destroyed, and the vacuum preservation container is convenient for the user to open.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An air extraction pump, comprising:

the pump cover (1) is made of elastic materials;

the pump seat (2) is connected with the pump cover (1) in a sealing mode, an air pumping cavity is formed between the pump cover (1) and the pump seat (2), the pump seat (2) is provided with a mounting hole (21), and the mounting hole (21) is provided with a plurality of air holes (22) along the circumferential direction;

the gas sealing seat (3) is provided with a flaring gas sealing surface (31) above the gas hole (22), and the gas sealing surface (31) encloses a gas channel (33) communicated with the gas hole (22);

the flexible membrane (4) is attached to the gas sealing surface (31) and can seal the gas channel (33), a buckle (41) is arranged at the lower end of the flexible membrane (4), and the buckle (41) is clamped below the mounting hole (21);

and the exhaust check valve (5) is arranged on the pump base (2) and is used for exhausting the gas in the air exhaust cavity.

2. An air pump according to claim 1, characterized in that a stop block (24) is formed between two adjacent air holes (22), the stop block (24) extending downward to a position lower than the air holes (22) and serving to limit the displacement of the catch (41) in the vertical direction.

3. The air pump according to claim 1, characterized in that a mounting portion (25) is provided on the pump base (2), the mounting hole (21) and the air hole (22) are provided on the mounting portion (25), the air sealing base (3) is sleeved on the mounting portion (25), the air sealing base (3) is provided with an air hole (32), and the air hole (32) is located between the air hole (22) and the air channel (33) and communicated with the air hole (22) and the air channel (33).

4. An air extraction pump according to claim 1, characterized in that the air seal seat (3) and the flexible diaphragm (4) are made of silicone.

5. The air pump according to claim 1, characterized in that a plurality of limiting ribs (23) are arranged on the pump base (2), the limiting ribs (23) are arranged along the circumferential direction of the flexible diaphragm (4), and the limiting ribs (23) are used for limiting the horizontal displacement of the flexible diaphragm (4).

6. The air pump according to claim 1, characterized in that a return elastic member (6) is disposed in the air pumping cavity, one end of the return elastic member (6) is connected to the pump cover (1), and the other end is connected to the pump base (2).

7. A suction pump according to claim 6, characterized in that the return spring (6) is a compression spring.

8. The air pump according to claim 1, characterized in that the pump cover (1) is provided with a sealing rib, and the pump base (2) is provided with a sealing groove, and the sealing rib can be embedded in the sealing groove, so that the pump cover (1) and the pump base (2) are connected in a sealing manner.

9. Vacuum refreshing container, characterized in that, it includes container body (7), container lid (8) and a kind of air pump of any claim 1 to 8, the container lid (8) with the sealed connection of container body (7), form the inner chamber between the container lid (8) and the container body (7), the container lid (8) is seted up first through-hole (81), the air pump seal sets up in first through-hole (81), through the gas pocket (22) intercommunication between inner chamber and the air extraction chamber.

10. A vacuum refreshing container according to claim 9, characterized in that the container cover (8) is provided with a second through hole (82), a sealing plug (83) is installed in the second through hole (82), and the sealing plug (83) can block the second through hole (82).