WO2014194508A1

WO2014194508A1 - Container cap device with automatic evacuation function

Info

Publication number: WO2014194508A1
Application number: PCT/CN2013/076895
Authority: WO
Inventors: 傅安明; 孙永明
Original assignee: Fu Anming; Sun Yung-Ming
Priority date: 2013-06-07
Filing date: 2013-06-07
Publication date: 2014-12-11

Abstract

A container cap device with an automatic evacuation function comprises a container cap body (20) on which an air exhaust mechanism (30), a vacuum indication assembly (40), a first switch (50) and a second switch (60) are arranged; a control assembly is arranged with respect to the second switch (60), thus, the air exhaust mechanism (30) is controlled to be switched on or off via the first switch (50) and the second switch (60) in order to evacuate the air in the container thoroughly, and with the help of the vacuum indication assembly (40) which indicate that whether the container is in a vacuum state currently, a user can be aware of air leakage in time; and meanwhile, on the precondition that the second switch (60) is automatically controlled to be switched on or off by the control assembly (70), the air exhaust mechanism can be started up automatically to accomplish compensatory air exhaust in case of air leakage, and in this way the purpose of ensuring permanent vacuum in the container is fulfilled and the freshness-retaining and moisture-proof functions are realized in a real sense.

Description

Container lid device with automatic vacuuming function

Technical field

The invention relates to the field of container cover technology, in particular to a container cover device with an automatic vacuuming function, which is installed on a container to store all foods and articles which need to be preserved, fresh-keeping and moisture-proof.

Background technique

At present, the so-called crisper on the market only adds a simple container lid to the container. The container is covered with a sealing strip, which only prevents the outside air from entering the container again, and the internal space still has a large amount of air. In order to remove the air from the container, it is necessary to use auxiliary suction equipment. However, if there is a leak in the vacuum preservation process and it cannot be found in time, it will affect the preservation effect of the food, which will cause waste. Food spoilage foods can affect health and cause inconvenience to users.

Summary of the invention

In view of this, the present invention is directed to the absence of the prior art, and its main object is to provide a container cover device with an automatic vacuuming function, which can effectively solve the problem that the existing container cover does not have a vacuum function and assists pumping. The equipment can not find the leak in time and affect the preservation effect.

In order to achieve the above object, the present invention adopts the following technical solutions:

A container lid device with an automatic vacuuming function, comprising a container lid body for sealingly engaging an opening portion of a container, the container lid body being provided with a suction mechanism for drawing air from the container to the outside, for indicating a vacuum indicating component for completely withdrawing air in the container, and a first switch and a second switch for controlling opening or closing of the pumping mechanism;

The container cover body is provided with a first through hole and a second through hole communicating with the inside of the container;

The vacuum indicating assembly includes a first flexible hose that is retractable, a first spring that urges the first soft rubber tube to extend, and an indicator button that moves back and forth by the first soft rubber tube; the closed end of the first soft rubber tube Abutting the indicator button, the open end of the first flexible hose is in sealing communication with the first through hole; the first spring is located in the first soft rubber tube and is between the first soft rubber tube and the container cover body; the indicator button is exposed The first soft hose is in an extended state under normal pressure, and the indicator button extends out of the container cover body. In a vacuum state, the first soft rubber tube is in a retracted state, and the indicator button is retracted into the container. Inside the cover body;

The second switch is connected in series with the first switch, and the second switch is provided with a control component for automatically controlling the second switch to be turned on or off, the control component includes a second flexible hose that is retractable and urges the first switch a second spring extending from the second flexible hose; a sealing cap is disposed on the closed end of the second flexible rubber hose, the cap is in contact with the second switch, and the open end of the second flexible rubber hose is in sealing communication with the second through hole; The second spring is located in the second soft rubber tube and is between the second soft rubber tube and the container cover body, and the elastic force of the second spring is greater than the elastic force of the first spring; in the normal pressure state, the second soft rubber tube is in the extension state. In the open state, the second switch is in an on state. In the vacuum state, the second soft hose is in a retracted state, and the second switch is in an off state.

As a preferred solution, a sealing ring is disposed outside the circumferential side of the container cover body, and the sealing ring is provided on the container cover body with a support for radially extending the sealing ring to seal with the inner wall surface of the container. Open the organization.

As a preferred solution, the distracting mechanism includes a sliding ring, a movable bracket and a handle; the sliding ring is located at an inner edge of the sealing ring, and the sliding ring is fixedly connected with the movable bracket and synchronously moves with the movable bracket, the movable bracket Located in the container cover body, the handle is located outside the container cover body and drives the movable bracket to move.

As a preferred solution, one end of the handle is a pivot end, and the other end is a control end. The pivot end is pivotally connected to the container cover body, and the pivot end is formed with an eccentric block for pressing the movable bracket. The eccentric block presses the top bracket against the movable bracket to urge the movable bracket to be pressed, and the movable bracket is provided with a third spring for causing the movable bracket to be reset upward.

As a preferred solution, the eccentric block and the top block are both located above the center of the movable bracket, and the third spring is located below the center of the movable bracket.

As a preferred solution, the control end is provided with a through hole for the hand to be placed to control the flipping of the handle.

As a preferred solution, the top of the container cover body is recessed with a receiving groove adapted to the handle, and the handle is received in the receiving groove when the handle is in a downwardly flipped state.

As a preferred solution, the handle integrally protrudes with a top post for pressing the first switch. When the handle is in a downwardly flipped state, the top post presses against the first switch, and the first switch is at In the on state, when the handle is in an upturned state, the top post is disengaged from the first switch, and the first switch is in an open state.

As a preferred solution, the container cover main body includes a main body upper cover and a main body lower cover, and the main body upper cover and the main body lower cover together form a chamber, the air suction mechanism, the vacuum indicating component, the first switch, and the first Both switches and control components are located within the chamber.

As a preferred solution, the container cover body is recessed with a receiving cavity for receiving a battery to provide power supply for the air suction mechanism, and the receiving cavity is covered by a battery cover.

The present invention has obvious advantages and advantageous effects compared with the prior art. Specifically, it can be known from the above technical solutions:

1. Controlling the pumping mechanism to open or close by the first switch and the second switch to completely evacuate the air in the container, and cooperate with the vacuum indicating component to indicate whether the current container is in a vacuum state, so that the user can find the leak in time. At the same time, the control unit is used to automatically control the second switch to be turned on or off, so as to automatically start the pumping mechanism during the air leakage to compensate for the pumping, so as to ensure the vacuum state in the container forever, and truly The utility model has the advantages of simple structure and convenient use for the functions of preservation and moisture resistance.

Secondly, a sealing ring is arranged outside the circumferential side of the container cover body, and the sealing ring is radially opened by the expansion mechanism to seal and fit the inner wall surface of the container to achieve the purpose of sealing, and the sealing effect is better, and The operation is also very convenient.

3. The top column is protruded from the handle, and when the handle is in a downwardly flipped state, the top post presses against the first switch, the first switch is in an on state, and when the handle is in an upturned state Then, the top post is separated from the first switch, and the first switch is in an off state, thus ensuring that the user does not forget to activate or deactivate the first switch, thereby bringing more convenience to the user.

DRAWINGS

Figure 1 is a perspective view showing the assembly of a preferred embodiment of the present invention;

Figure 2 is an exploded view of a preferred embodiment of the present invention;

Figure 3 is a partial assembled view of a preferred embodiment of the present invention;

Figure 4 is a first cross-sectional view showing a state in which the seal ring is not in sealing engagement with the inner wall of the container in the preferred embodiment of the present invention;

Figure 5 is a cross-sectional view showing the sealing ring of Figure 4 in a state of being sealed to the inner wall of the container;

Figure 6 is a second cross-sectional view showing a state in which the seal ring is not in sealing engagement with the inner wall of the container in the preferred embodiment of the present invention;

Figure 7 is a cross-sectional view showing the seal ring of Figure 6 in a state of being sealed to the inner wall of the container;

Figure 8 is a third cross-sectional view showing a state in which the seal ring is not in sealing engagement with the inner wall of the container in the preferred embodiment of the present invention;

Figure 9 is a cross-sectional view showing the sealing ring of Figure 8 in a state of being sealed to the inner wall of the container;

Figure 10 is a fourth cross-sectional view showing a state in which the seal ring is not in sealing engagement with the inner wall of the container in the preferred embodiment of the present invention;

Figure 11 is a cross-sectional view showing the sealing ring of Figure 10 in a state of being sealed to the inner wall of the container.

Description of the figure:

10, the container 20, the container cover body

21, the main body cover 22, the main body cover

23, battery cover 201, chamber

202, accommodating cavity 203, first through hole

204, the second through hole 205, the nozzle

206, accommodating groove 30, pumping mechanism

40, vacuum indicating component 41, the first soft hose

42, the first spring 43, indicator button

50, the first switch 60, the second switch

70, control component 71, second soft hose

72, the second spring 73, the cap

80, sealing ring 90, opening mechanism

91, slip ring 92, movable bracket

921, center 922, ring

923, ribs 93, handle

931, pivot end 932, console

933, eccentric block 934, through hole

935, top column 94, top block

95, the third spring

detailed description

Referring to Figures 1 through 11, there is shown a specific structure of a preferred embodiment of the present invention including a container cover body 20 for sealingly engaging an open portion of the container 10, the container cover body 20 being provided with useful a pumping mechanism 30 for drawing air from the outside of the container 10, a vacuum indicating assembly 40 for indicating whether the air in the container 10 is completely withdrawn, and a first switch 50 and a second for controlling the opening/closing of the pumping mechanism 30. Switch 60.

The container 10 can be of any material, and the opening portion thereof can be any shape. The shape of the container cover body 20 can be set according to the actual shape of the opening portion. In the embodiment, the container cover body 20 is circular, not The container cover body 20 includes a main body upper cover 21 and a main body lower cover 22 which is located outside the container 10. The main body lower cover 22 is embedded in the opening portion of the container 10, and the main body upper cover 21 A chamber 201 is formed together with the main body lower cover 22, and the air suction mechanism 30, the vacuum indicating assembly 40, the first switch 50 and the second switch 60 are all located in the chamber 201. In addition, the container cover body 20 is recessed with a receiving cavity 202 for receiving a battery for supplying power to the air suction mechanism 30, and the receiving cavity 202 is covered by a battery cover 23; further, the container cover body 20 is A first through hole 203, a second through hole 204, and a gas nozzle 205 are provided in the interior of the communication container 10. The first through hole 203, the second through hole 204, and the gas nozzle 205 are both located on the main body lower cover 22.

The vacuum indicating assembly 40 includes a first soft rubber tube 41 that is retractable, a first spring 42 that causes the first soft rubber tube 41 to extend, and an indicator button 43 that is moved back and forth by the first soft rubber tube 41; The closed end of the soft hose 41 is pressed against the indicator button 43, and the open end of the first soft rubber tube 41 is in sealing communication with the first through hole 203; the first spring 42 is located in the first soft rubber tube 41 and is opposite to the first soft rubber tube 41. Between the hose 41 and the container cover body 20; the indicator button 43 is exposed outside the container cover body 20; in the normal pressure state, the first soft rubber tube 41 is in an extended state, and the indicator button 43 extends out of the container cover body 20 to Indicates that there is air in the container 10, and the vacuum state is not reached; in the vacuum state, the first soft rubber tube 41 is in a retracted state, the first spring 42 is compressed, and the indicator button 43 is retracted into the container cover body 20 to indicate the container. 10 is in a vacuum state.

The second switch 60 is connected in series with the first switch 50. The second switch 60 is provided with a control component 70 for automatically controlling the second switch 60 to be turned on or off. The control component 70 is located in the chamber 201. The control unit 70 includes a second flexible flexible tube 71 and a second spring 72 for extending the second flexible rubber tube 71. The closed end of the second flexible rubber tube 71 is provided with a cap 73. The cap 73 is plastic. a cap that is in contact with the second switch 60, the second switch 60 is located directly above the cap 73, and the open end of the second soft hose 71 is in sealing communication with the second through hole 204; the second spring 72 The second soft rubber tube 71 is located between the second soft rubber tube 71 and the container cover body 20, and the elastic force of the second spring 72 is greater than the elastic force of the first spring 42; the second soft rubber tube 71 is under normal pressure. In the extended state, the second switch 60 is in an on state; in the vacuum state, the second spring 72 is compressed, the second soft hose 71 is in a retracted state, and the second switch 60 is in an open state.

And a sealing ring 80 is disposed outside the circumferential side of the container cover body 20, and the sealing ring 80 has a cup shape. The sealing ring 80 is provided on the container cover body 20 for radially expanding the sealing ring 80 and the container. The inner wall surface of the sealing member 90 is sealed; in particular, in the embodiment, the distracting mechanism 90 includes a sliding ring 91, a movable bracket 92 and a handle 93; the sliding ring 91 is located at the sealing ring 80. The inner side edge of the sliding ring 91 is fixedly coupled to the movable bracket 92 and synchronized with the movable bracket 92.

The movable bracket 92 is located in the container cover body 20, and the movable bracket 92 includes a central portion 921 and a ring portion 922. The ring portion 922 is shaped to fit the sliding ring 91, and the sliding ring 91 is fixed to the ring portion 922. A plurality of ribs 923 are uniformly radiated outwardly from the periphery of the central portion 921, and the ends of the plurality of ribs 923 are integrally formed integrally with the inner edge of the ring portion 922.

The handle 93 is located outside the container cover body 20 and drives the movable bracket 92. One end of the handle 93 is a pivot end 931, and the other end is a control end 932. The pivot end 931 is pivotally connected to the container cover body 20, and the pivot end An eccentric block 933 for pressing the movable bracket 92 is formed on the connecting end 931. The eccentric block 933 is pressed against the movable bracket 92 by a top block 94 to urge the movable bracket 92 to be pressed, and the movable bracket 92 is provided for the movable bracket 92. a third spring 95 that urges the movable bracket 92 upward; the eccentric block 933 and the top block 94 are both located above the center of the movable bracket 92, and the third spring 95 is located below the center of the movable bracket 92; the steering end 932 is provided with a hand a through hole 934 placed to control the flipping of the handle; and a receiving groove 206 adapted to the handle 93 is recessed at the top of the container cover body 20, and the handle 93 is in a state of being flipped down and flattened. It is stored in the accommodating groove 206.

In addition, the handle 93 integrally protrudes with a top post 935 for pressing against the first switch 50. When the handle 93 is in a downwardly flipped state, the top post 935 presses against the first switch 50. The first switch The 50 is in the on state, and when the handle 93 is in the upwardly flipped state, the top post 935 is disengaged from the first switch 50, and the first switch 50 is in the off state.

The method of use of this embodiment is as follows:

In use, after the articles to be stored are placed in the container 10, the main body lower cover 22 of the container cover body 20 is sunk into the opening portion of the container 10; then, the handle 93 is pressed, as shown in Figs. 10 and 11, due to the handle 93 has an eccentric block 933, when the eccentric block 933 of the handle 93 presses the top block 94, the top block 94 presses the movable bracket 92 downward, and the movable bracket 92 compresses the third spring 95, due to the movable bracket 92 and the slip ring 91 is fixedly coupled together, the sliding ring 91 slides downward with the action of the movable bracket 92, and the inclined surface of the sliding ring 91 forces the upper end of the sealing ring 80 to open radially outwardly and is pressed against the inner wall surface of the container 10, Thereby the effect of sealing.

When the handle 93 is depressed and laid flat, the top post 935 on the handle 93 tops the first switch 50, the first switch 50 is turned on, and, as shown in FIG. 8, since the second soft hose 71 passes the second The through hole 204 is in communication with the container 10. In this state, the second soft rubber tube 71 is extended, the top of the second flexible rubber tube 71 is placed against the second switch 60, and the second switch 60 is also in the on state. After the switch 50 and the second switch 60 are supplied to the pump body motor of the air suction mechanism 30, the pump body motor automatically starts to work, and the gas inside the container 10 is started to be extracted outward.

At the same time, as shown in FIG. 6, the inside of the first soft hose 41 is also in communication with the container 10. During the pumping process, since a negative pressure is formed inside the container 10, as shown in FIG. 7, the first soft hose is at this time. 41 begins to contract and drives the indicator button 43 to be retracted. Since the elastic force of the second spring 72 is greater than the elastic force of the first spring 42 , the first soft rubber tube 41 simultaneously contracts while compressing the first spring 42 while the second soft hose 41 is compressed. At the same time, the second spring 72 is also contracted and compressed, except that the first soft hose 41 and the second soft hose 42 are not simultaneously lowered, and the former is slower. When the inside of the container 10 is evacuated, when the first soft rubber tube 41 drives the indicator button 43 to reach a certain position, the second soft rubber tube 71 also contracts downward, and the second switch 60 is slowly loosened until it is disconnected. At this time, the circuit is cut off, and the pump body motor of the pumping mechanism 30 is stopped, and at this time, the inside of the container 10 is already in a vacuum state.

When the container 10 is left for a period of time, a leak may occur. If air enters the container 10, the internal vacuum of the container 10 may decrease, and the first soft hose 41 and the second soft hose 71 may simultaneously extend. When the second soft hose 71 is extended, the second switch 60 is depressed at the top thereof, and at this time, the second switch 60 is turned on, and the pump motor of the air suction mechanism 30 starts working again, thereby evacuating the air entering the container 10. As the vacuum in the container 10 increases again, the second soft hose 71 begins to contract again, and the second switch 60 is released from the top, so that the second switch 60 disconnects the circuit, the pumping mechanism 30 The pump body motor stops working. This reciprocating cycle keeps the vacuum inside the container 10 at all times.

When the container 10 is to be opened, the handle 93 is opened upward, and the top post 935 on the handle 93 is disengaged to release the first switch 50. When the handle 93 is hit to the 90 degree position, the handle 93 is rotated due to the pivot end. The eccentric block 933 at position 931 gives way, and the top block 94 and the movable bracket 92 move upward under the reaction of the third spring 95, and simultaneously drive the sliding ring 91 to move upward, and the sealing ring 80 acts under its own resilience. The oblique direction of the slip ring 91 is contracted inward. Thus, the air quickly enters from the periphery of the inner side of the container 10, so that the internal air pressure of the container 10 is balanced with the outside air pressure, and then the present invention can be easily taken out by grasping the handle 93 upward.

It should be specially noted that the first switch 50 can also be designed as a separate switch, which is controlled to be turned on or off by a human hand, and the air intake portion of the present invention can also be made as a separate air intake button; The present invention is not limited to being a separate integral part, but it can also be implemented by separately separating the vacuum indicating assembly 40 and the control unit 70 on the top of the container 10, and the air intake portion is also located in the container 10. At the top, the pumping mechanism 30 can be placed at the bottom of the container 10.

The design of the present invention focuses on: firstly, the suction mechanism is opened or closed by the first switch and the second switch to completely evacuate the air in the container, and the vacuum indicating component is used to indicate whether the current container is in a vacuum state. In order to facilitate the user to find the air leak in time; at the same time, the control unit is used to automatically control the second switch to be turned on or off, so as to automatically start the pumping mechanism during the air leakage to compensate for the pumping, so as to ensure that the container is in a vacuum forever. The purpose of the state is to function as a fresh-keeping and moisture-proof one. The invention has a simple structure and is convenient to use. Secondly, by providing a sealing ring outside the circumferential side surface of the container cover body, the sealing ring is radially extended by the expansion mechanism to seal and adhere to the inner wall surface of the container, so as to achieve the purpose of sealing, the sealing effect is better, and The operation is also very convenient. Furthermore, by integrally protruding the top column on the handle, when the handle is in a downwardly flipped state, the top post presses against the first switch, the first switch is in an on state, and when the handle is turned upside down In the state, the top post is separated from the first switch, and the first switch is in an off state, so as to ensure that the user does not forget to activate or deactivate the first switch, thereby bringing more convenience to the user.

The above is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still It is within the scope of the technical solution of the present invention.

Claims

A container lid device with an automatic vacuuming function, comprising a container lid body for sealingly engaging an opening portion of a container, wherein the container lid body is provided with a pump for drawing air from the container to the outside. a gas mechanism, a vacuum indicating assembly for indicating whether the air in the container is completely withdrawn, a first switch and a second switch for controlling opening or closing of the pumping mechanism;

2 . The container cover device with automatic vacuum pumping function according to claim 1 , wherein a sealing ring is disposed outside the circumferential side of the container cover body, and the sealing ring is disposed on the container cover body for A distracting mechanism in which the sealing ring is radially extended to be in sealing engagement with the inner wall surface of the container.

The container cover device with automatic vacuum pumping function according to claim 2, wherein the distracting mechanism comprises a sliding ring, a movable bracket and a handle; the sliding ring is located at an inner edge of the sealing ring, The sliding ring is fixedly coupled to the movable bracket and synchronized with the movable bracket. The movable bracket is located in the container cover body, and the handle is located outside the container cover body and drives the movable bracket to move.

The container cover device with automatic vacuum pumping function according to claim 3, wherein one end of the handle is a pivot end, and the other end is a control end, and the pivot end is pivotally connected to the container cover body. An eccentric block for pressing the movable bracket is formed on the pivoting end, and the eccentric block is pressed against the movable bracket by a top block to press the movable bracket, and the movable bracket is provided with a lifting mechanism for causing the movable bracket to be reset upward. The third spring.

5. The container lid device with automatic vacuum pumping function according to claim 4, wherein the eccentric block and the top block are both located above the center of the movable bracket, and the third spring is located below the center of the movable bracket.

6. The container lid device with automatic vacuum pumping function according to claim 4, wherein the control end is provided with a through hole for placing the hand to control the flipping of the handle.

The container cover device with automatic vacuum pumping function according to claim 4, wherein the top of the container cover body is concavely provided with a receiving groove adapted to the handle, when the handle is turned downward. In the state, the handle is received in the receiving slot.

The container cover device with automatic vacuum pumping function according to claim 4, wherein the handle integrally protrudes with a top post for pressing the first switch, and when the handle is turned downward The top post presses against the first switch, the first switch is in an on state, and when the handle is in an upwardly flipped state, the top post is disengaged from the first switch, and the first switch is in an open state.

The container cover device with automatic vacuum pumping function according to claim 1, wherein the container cover body comprises a main body upper cover and a main body lower cover, and the main body upper cover and the main body lower cover together form a The chamber, the aforementioned air suction mechanism, the vacuum indicating assembly, the first switch, the second switch, and the control assembly are all located in the chamber.

10 . The container cover device with automatic vacuum pumping function according to claim 1 , wherein the container cover body is recessed with a receiving cavity for receiving a battery to provide power supply for the air suction mechanism, and the receiving cavity is disposed. The cavity is covered by a battery cover.