Vacuumizing device

Abstract

The utility model relates to the technical field of vacuumizing equipment, and particularly discloses a vacuumizing device which comprises a plug body, a bin body and a pressing piece, the plug body is fixedly connected to the interior of one end of the bin body and coaxially arranged, and a containing cavity for containing a bottle opening is formed between the plug body and the bin body; the pressing piece is movably arranged at the other end of the bin body in the direction close to or away from the plug body, a closed vacuum cavity is defined by the pressing piece, the bin body and the top of the plug body, the plug body is axially provided with a communicating groove, the communicating groove is communicated with the vacuum cavity, and the communicating groove is communicated with the vacuum cavity. The bottom of the communicating groove is provided with a first one-way valve which enables the bottle opening to circulate towards the communicating groove, the communicating groove is communicated with the bottle opening through the first one-way valve, the pressing piece is provided with a second one-way valve which enables the vacuum cavity to circulate towards the outside, and the vacuum cavity is communicated with the outside through the second one-way valve. The method has the effect of being beneficial to prolonging the shelf life of the beverage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vacuumizing equipment, in particular to a vacuumizing device. BACKGROUND

[0002] The storage and preservation of liquid drinks such as red wine, fruit juice and milk have always been the focus of people's attention. With the improvement of people's pursuit of life quality, how to effectively extend the shelf life of liquid drinks has become a hot research topic in the industry.

[0003] After opening the bottle, the drink is usually stored by directly plugging the bottle opening with a plug. However, due to the presence of air in the bottle, the drink in the bottle is prone to oxidation, resulting in a decrease in taste and even deterioration, thereby reducing the shelf life of the drink. This problem needs to be solved. CONTENT OF THE UTILITY MODEL

[0004] In order to facilitate the extension of the shelf life of the drink, the present application provides a vacuumizing device.

[0005] The present application provides a vacuumizing device, which adopts the following technical scheme:

[0006] A vacuumizing device, comprising a plug body, a warehouse body and a pressing piece, the plug body is fixedly connected to the inside of one end of the warehouse body and is coaxially arranged, the plug body and the warehouse body have a containing cavity for containing the bottle opening, the pressing piece is movably arranged at the other end of the warehouse body towards the plug body or away from the plug body, the top of the pressing piece, the warehouse body and the plug body is surrounded to form a closed vacuum cavity, the plug body is axially provided with a communication groove, the communication groove is in communication with the vacuum cavity, the bottom of the communication groove is provided with a first one-way valve for the flow of the bottle opening to the communication groove, the communication groove is in communication with the bottle opening through the first one-way valve, the pressing piece is provided with a second one-way valve for the flow of the vacuum cavity to the outside, and the vacuum cavity is in communication with the outside through the second one-way valve.

[0007] By adopting the above technical scheme, when the liquid drink after opening the bottle needs to be stored, the user inserts the plug body into the bottle opening to plug the bottle opening. At this time, the bottle opening is contained in the containing cavity between the plug body and the warehouse body, which is conducive to improving the stability of the connection between the vacuumizing device and the bottle opening. The pressing piece moves towards the plug body to reduce the volume of the vacuum cavity. At this time, the pressure in the vacuum cavity increases, and the air in the vacuum cavity flows to the outside through the second one-way valve. Then, the pressing piece moves away from the plug body to increase the volume of the vacuum cavity. At this time, the pressure in the vacuum cavity decreases, and the air in the bottle flows into the vacuum cavity through the first one-way valve, thereby extracting the air in the bottle. Repeating the operation of moving the pressing piece towards or away from the plug body several times makes the vacuum cavity and the bottle be in a vacuum state, so that the drink in the bottle is difficult to oxidize, thereby facilitating the extension of the shelf life of the drink.

[0008] Preferably, the pressing member comprises a pressing cover, a limiting cylinder and a first reset spring, the pressing cover is movably arranged in the storage body, the second one-way valve is arranged on the pressing cover, the limiting cylinder is coaxially fixedly arranged in the pressing cover, and the first reset spring is sleeved on the limiting cylinder, one end of the first reset spring abuts against the pressing cover when the first reset spring is in a natural state, the other end of the first reset spring abuts against the top of the plug body, and the end of the pressing cover away from the plug body penetrates out of the storage body.

[0009] By adopting the above technical scheme, the user inserts the plug body into the bottle mouth, at this time, the first reset spring is in a natural state, the end of the pressing cover away from the plug body penetrates out of the storage body, so as to facilitate the operation of the user pressing the pressing cover, the operation of the user pressing the pressing cover makes the pressing cover move towards the plug body, at this time, the first reset spring is in a compressed state, after the user releases the pressing cover, the restoring force of the first reset spring pushes the pressing cover to move away from the plug body, and the operation is simple and convenient.

[0010] Preferably, the side wall of the plug body is provided with a plurality of sealing rings at intervals along the length direction.

[0011] By adopting the above technical scheme, this arrangement is beneficial to improve the sealing performance and stability when the plug body is inserted into the bottle mouth.

[0012] Preferably, the plug body and the sealing ring are integrally formed and are made of silica gel.

[0013] By adopting the above technical scheme, the plug body and the sealing ring made of silica gel have large friction when they are inserted into the bottle mouth, which is beneficial to further improve the sealing performance and stability.

[0014] Preferably, a first sealing ring is arranged at the connection between the storage body and the pressing cover, and a first accommodating groove is arranged on the side wall of the pressing cover and surrounds the first sealing ring.

[0015] By adopting the above technical scheme, the first accommodating groove accommodates the first sealing ring, and the first sealing ring seals the connection between the storage body and the pressing cover, which is beneficial to improve the sealing performance of the vacuum cavity.

[0016] Preferably, a pressure relief assembly is arranged on the pressing member, and the pressure relief assembly performs pressure relief on the bottle mouth before the bottle is opened again.

[0017] By adopting the above technical scheme, when the beverage is sealed and stored by the vacuumizing device and needs to be opened again for drinking, the pressure relief assembly performs pressure relief on the bottle mouth first, so as to facilitate the operation of pulling out the plug body from the bottle mouth.

[0018] Preferably, the pressure relief assembly comprises a pressure relief rod movably arranged in the limiting cylinder coaxially, the bottom of the limiting cylinder is provided with a second sealing ring abutting against the sidewall of the pressure relief rod, and the upper end of the pressure relief rod is provided with a pressure relief groove along the length direction thereof.

[0019] By using the above technical scheme, when the beverage is stored, the second sealing ring abuts against the sidewall of the pressure relief rod, which is beneficial to improve the sealing performance of the vacuum cavity, when the beverage needs to be drunk, the user pushes the pressure relief rod to move towards the direction close to the plug, when the pressure relief rod moves to the position where the pressure relief groove is opposite to the second sealing ring, the air outside flows into the vacuum cavity through the pressure relief groove, so that the air pressure in the vacuum cavity is consistent with the outside.

[0020] Preferably, the bottom of the communication groove is provided with a touch block switch fixedly connected with the first one-way valve, and the touch block switch is located on the central axis of the pressure relief rod.

[0021] By using the above technical scheme, the user continues to push the pressure relief rod to move towards the direction close to the plug, the pressure relief rod abuts against the touch block switch, the touch block switch pulls the first one-way valve, so that the first one-way valve is opened, the air in the vacuum cavity flows into the bottle mouth, so that the pressure of the bottle mouth is consistent with the outside, thereby facilitating the operation of the user to pull out the plug.

[0022] Preferably, the pressure relief assembly further comprises a second reset spring located in the limiting cylinder and sleeved on the pressure relief rod, when the second reset spring is in a natural state, the top of the pressure relief rod is flush with the top of the pressing cap, and the part of the pressure relief rod provided with the pressure relief groove is located in the limiting cylinder.

[0023] By using the above technical scheme, when the second reset spring is in the natural state, the top of the pressure relief rod is flush with the top of the pressing cap, and the part of the pressure relief rod provided with the pressure relief groove is located in the limiting cylinder, the second sealing ring seals the connection position of the pressure relief rod and the limiting cylinder, after the user pushes the pressure relief rod to move towards the direction close to the plug, the pressure of the bottle mouth is consistent with the outside, at this time, the second reset spring is in a compressed state, and the restoring force of the second reset spring pushes the pressure relief rod to return to the initial position, so as to facilitate the next vacuum breaking operation.

[0024] Preferably, the top of the pressure relief rod is rotationally connected with a push rod, the top of the pressing cap is provided with a second accommodating groove, when the second reset spring is in the natural state, the push rod is rotated into the second accommodating groove, and the upper surface of the push rod is flush with the surface of the pressing cap.

[0025] By adopting the technical scheme, when the second reset spring is in a natural state, the push rod is contained in the second containing groove, so that the surface of the pressing cover remains flat, when it is needed to push the pressure relief rod to move in a direction close to the plug body, a user rotates the push rod out of the second containing groove and pushes the pressure relief rod through the push rod, which is simple and convenient.

[0026] To sum up, the present application has at least one of the following beneficial technical effects:

[0027] 1. By setting the plug body, the warehouse body and the pressing piece, when it is needed to store the liquid beverage after opening the bottle, the user inserts the plug body into the bottle mouth to block the bottle mouth, at this time the bottle mouth is contained in the containing cavity between the plug body and the warehouse body, which is beneficial to improve the stability of the connection between the vacuumizing device and the bottle mouth, the pressing piece moves in a direction close to the plug body to reduce the volume of the vacuum cavity, at this time the pressure in the vacuum cavity increases, the air in the vacuum cavity flows to the outside through the second one-way valve, then the pressing piece moves in a direction away from the plug body to increase the volume of the vacuum cavity, at this time the pressure in the vacuum cavity decreases, the air in the bottle flows into the vacuum cavity through the first one-way valve, so that the air in the bottle is pumped out, repeating the operation of moving the pressing piece in a direction close to or away from the plug body several times, so that the vacuum cavity and the bottle are in a vacuum state, the beverage in the bottle is difficult to oxidize, thereby beneficial to prolong the shelf life of the beverage.

[0028] 2. By setting the pressing cover, the limiting cylinder and the first reset spring, the user inserts the plug body into the bottle mouth, at this time the first reset spring is in a natural state, the end of the pressing cover away from the plug body is out of the warehouse body, so as to facilitate the user to press the pressing cover, the operation of the user pressing the pressing cover makes the pressing cover move in a direction close to the plug body, at this time the first reset spring is in a compressed state, after the user releases the pressing cover, the restoring force of the first reset spring pushes the pressing cover to move in a direction away from the plug body, which is simple and convenient.

[0029] 3. By setting the pressure relief rod, when the beverage is stored, the second sealing ring abuts against the side wall of the pressure relief rod, which is beneficial to improve the sealing performance of the vacuum cavity, when it is needed to drink the beverage, the user pushes the pressure relief rod to move in a direction close to the plug body, when the pressure relief rod moves to a position where the pressure relief groove is opposite to the second sealing ring, the air outside flows into the vacuum cavity through the pressure relief groove, so that the air pressure in the vacuum cavity is consistent with the outside, then the user continues to push the pressure relief rod in a direction close to the plug body, the pressure relief rod abuts against the touch block switch, the touch block switch pulls the first one-way valve, so that the first one-way valve is opened, the air in the vacuum cavity flows into the bottle mouth, so that the pressure of the bottle mouth is consistent with the outside, thereby facilitating the operation of the user to pull out the plug body. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the overall structure schematic diagram of the vacuumizing device in the embodiment of the present application.

[0031] Figure 2 is another perspective view of the vacuumizing device in the embodiment of the present application.

[0032] Figure 3 is a vertical sectional view of the vacuumizing device in the embodiment of the present application.

[0033] Figure 4 is another perspective view of the vertical sectional view of the vacuumizing device in the embodiment of the present application.

[0034] Figure 5 is a structural schematic view of the pressure relief assembly in the embodiment of the present application.

[0035] Figure 6 is a vertical sectional view of the vacuumizing device in the pressure relief state in the embodiment of the present application.

[0036] Legend of reference signs:

[0037] 1, plug body; 2, cartridge body; 3, pressing piece; 31, pressing cover; 32, limiting cylinder; 33, first return spring; 4, accommodating cavity; 5, vacuum cavity; 6, communication groove; 7, first one-way valve; 8, second one-way valve; 9, sealing ring; 10, first sealing ring; 11, first accommodating groove; 12, pressure relief assembly; 121, pressure relief rod; 122, second return spring; 13, second sealing ring; 14, pressure relief groove; 15, touch block switch; 16, push rod; 17, second accommodating groove. DETAILED DESCRIPTION

[0038] The following will be described in detail in combination with the accompanying drawings. Figures 1-6 The present application will be further described in detail.

[0039] The embodiment of the present application discloses a kind of vacuumizing devices, referring to Figure 1 And Figure 2 , including plug body 1 and cartridge body 2, the cross section of cartridge body 2 is circularly arranged, the vertical section of plug body 1 is T-shaped arrangement, plug body 1 is fixedly connected to the inside of one end of cartridge body 2 by its top and coaxially arranged, so that plug body 1 and cartridge body 2 have accommodating cavity 4 for accommodating bottle mouth, when plug body 1 is inserted into the inside of bottle mouth, bottle mouth is accommodated in accommodating cavity 4, to improve the stability of vacuumizing device connected in bottle mouth.

[0040] Referring to Figure 2 And Figure 3 , the side wall of plug body 1 is uniformly spaced along its length direction and is provided with a plurality of sealing rings 9, plug body 1 and sealing ring 9 are integrally formed and are made of silica gel, in the embodiment, the number of sealing ring 9 is set to three, to improve the sealing property when plug body 1 plugs bottle mouth.

[0041] Referring to Figure 2 And Figure 3, the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6. Figure 4 , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6.

[0042] , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6. Figure 3 Figure 4 , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6.

[0043] , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6. Figure 3 Figure 4 , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6.

[0044] , the pressing piece 3 is movably arranged at the other end of the warehouse body 2 towards the direction of approaching or moving away from the plug body 1, and the pressing piece 3, the warehouse body 2 and the top of the plug body 1 form a sealed vacuum cavity 5. Meanwhile, the plug body 1 is axially provided with a communication groove 6 which is in communication with the vacuum cavity 5, and the bottom of the communication groove 6 is provided with a first one-way valve 7 which is in communication with the bottle mouth and the communication groove 6. Figure 3 Figure 4 ​​​When the beverage is sealed and stored by the vacuumizing device and needs to be drunk again, because the pressure in the vacuum cavity 5 and the bottle opening is less than the external pressure, the user will have difficulty in pulling out the plug body 1, so the pressing piece 3 is provided with a pressure relief assembly 12, which can relieve the pressure of the bottle opening before the user needs to open the bottle again.

[0045] With reference to Figure 3 and Figure 4 , the pressure relief assembly 12 includes a pressure relief rod 121 which is coaxially movably arranged in the bottom of the limiting cylinder 32, and the bottom of the limiting cylinder 32 is provided with a second sealing ring 13 which abuts against the side wall of the pressure relief rod 121 to improve the sealing performance of the vacuum cavity 5. With reference to Figure 3 and Figure 4 , in order to relieve the pressure, the upper end of the pressure relief rod 121 is provided with a pressure relief groove 14 along the length direction thereof. When the user needs to drink the beverage, the user pushes the pressure relief rod 121 to move towards the plug body 1, and when the pressure relief rod 121 moves to the position where the pressure relief groove 14 is opposite to the second sealing ring 13, the second sealing ring 13 cannot seal the position of the pressure relief groove 14 on the pressure relief rod 121, and the external air flows into the vacuum cavity 5 through the pressure relief groove 14 to realize the pressure relief process of the vacuum cavity 5. Further, the bottom of the communication groove 6 is provided with a touch block switch 15 which is fixedly connected with the first one-way valve 7 and is located on the central axis of the pressure relief rod 121, and as the pressure relief rod 121 is continuously pushed, the pressure relief rod 121 touches and presses the touch block switch 15, the touch block switch 15 pulls the first one-way valve 7 to open the first one-way valve 7, and the air in the vacuum cavity 5 flows into the bottle opening through the opened first one-way valve 7 to realize the pressure relief process of the bottle opening, thereby facilitating the user to pull out the plug body 1.

[0046] With reference to Figure 5 and Figure 6 , in order to facilitate the user to push the pressure relief rod 121, the top of the pressure relief rod 121 is rotatably connected with a push rod 16, and the top of the pressing cover 31 is provided with a second accommodating groove 17 for accommodating the push rod 16, when the pressure relief rod 121 does not need to be pushed, the push rod 16 is rotated into the second accommodating groove 17, and the upper surface of the push rod 16 is flush with the surface of the pressing cover 31 to maintain the flatness of the surface of the pressing cover 31, when the pressure relief rod 121 needs to be pushed, the user rotates the push rod 16 out of the second accommodating groove 17 and pushes the pressure relief rod 121 through the push rod 16, which is simple and convenient. In this embodiment, the push rod 16 and the second accommodating groove 17 are correspondingly provided with two groups, and the two groups of push rods 16 and second accommodating grooves 17 are symmetrically arranged to improve the stability of pushing the pressure relief rod 121.

[0047] With reference to Figure 3 and Figure 4 Figure 3 Figure 5, the pressure relief rod 121 needs to be reset after being pushed so as to facilitate the next pushing operation, and therefore the pressure relief assembly 12 further comprises a second reset spring 122. Specifically, the second reset spring 122 is located in the limiting cylinder 32 and is sleeved on the pressure relief rod 121, one end of the second reset spring 122 abuts against the top of the pressure relief rod 121, and the other end of the second reset spring 122 abuts against the bottom of the limiting cylinder 32, when the second reset spring 122 is in a natural state, the top of the pressure relief rod 121 is flush with the top of the pressing cover 31, and the part of the pressure relief rod 121, on which the pressure relief groove 14 is formed, is located inside the limiting cylinder 32, at this time, the second sealing ring 13 abuts against the side wall of the pressure relief rod 121 to ensure the sealing property of the vacuum cavity 5.

[0048] The implementation principle of the vacuumizing device is as follows: when it is needed to store the liquid beverage after the bottle is opened, the user inserts the plug body 1 into the bottle mouth to block the bottle mouth, at this time, the bottle mouth is accommodated in the accommodating cavity 4 between the plug body 1 and the storage body 2, which is beneficial to improve the stability of the connection between the vacuumizing device and the bottle mouth, then the user presses the pressing cover 31 to reduce the volume of the vacuum cavity 5, at this time, the pressure in the vacuum cavity 5 increases, the air in the vacuum cavity 5 flows to the outside through the second one-way valve 8, then the user releases the pressing cover 31, the pressing cover 31 moves away from the plug body 1 under the restoring force of the first reset spring 33 to increase the volume of the vacuum cavity 5, at this time, the pressure in the vacuum cavity 5 decreases, the air in the bottle flows into the vacuum cavity 5 through the first one-way valve 7, so that the air in the bottle is extracted, the operation of moving the pressing cover 31 towards and away from the plug body 1 is repeated several times, so that the vacuum cavity 5 and the bottle are both in a vacuum state, the beverage in the bottle is difficult to oxidize, which is beneficial to prolong the shelf life of the beverage; when the beverage sealed by the vacuumizing device needs to be drunk again after the bottle is opened, the user presses the pressure relief rod 121 through the push rod 16, when the pressure relief rod 121 moves to the position where the pressure relief groove 14 is aligned with the second sealing ring 13, the air outside flows into the vacuum cavity 5 through the pressure relief groove 14, so that the air pressure in the vacuum cavity 5 is consistent with that outside, with the continuous pushing of the pressure relief rod 121, the pressure relief rod 121 touches the pressing touch block switch 15, the touch block switch 15 pulls the first one-way valve 7 to open the first one-way valve 7, the air in the vacuum cavity 5 flows into the bottle mouth through the opened first one-way valve 7, so as to realize the pressure relief process of the bottle mouth, thereby facilitating the operation of the user to pull out the plug body 1.

[0049] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A vacuum-pumping device, characterized by: The utility model provides a bottle opener, including plug body (1), warehouse body (2) and press piece (3), plug body (1) fixedly connected with the inside one end of warehouse body (2) and coaxial arrangement, plug body (1) with warehouse body (2) between the accommodation cavity (4) for bottle mouth accommodation is provided with, press piece (3) is set up in the other end of warehouse body (2) in the direction of being close to or away from plug body (1) activity, press piece (3), warehouse body (2) and the top of plug body (1) are surrounded and form the closed vacuum cavity (5), plug body (1) is axially provided with the communication groove (6), the communication groove (6) is communicated with vacuum cavity (5), the bottom of communication groove (6) is provided with the first check valve (7) that bottle mouth flows to communication groove (6), the communication groove (6) is communicated with bottle mouth through the first check valve (7), press piece (3) is provided with the second check valve (8) that vacuum cavity (5) flows to the outside world, vacuum cavity (5) is communicated with the outside world through the second check valve (8).

2. A vacuuming device according to claim 1, characterized in that: The press piece (3) includes a press cover (31), a limiting cylinder (32), and a first reset spring (33). The press cover (31) is movably arranged in the warehouse body (2). The second check valve (8) is arranged on the press cover (31). The limiting cylinder (32) is coaxially fixedly arranged in the inside of the press cover (31). The first reset spring (33) is sleeved on the limiting cylinder (32). When the first reset spring (33) is in a natural state, one end of the first reset spring (33) abuts against the press cover (31), and the other end of the first reset spring (33) abuts against the top of the plug body (1). The end of the press cover (31) away from the plug body (1) penetrates out of the warehouse body (2).

3. A vacuuming device according to claim 1, characterized in that: The side wall of the plug body (1) is spaced apart along the length direction and is provided with a plurality of sealing rings (9).

4. A vacuuming device according to claim 3, characterized in that: The plug body (1) and the sealing rings (9) are integrally formed and are made of silica gel.

5. A vacuuming device according to claim 2, characterized in that: A first sealing ring (10) is arranged at the connection between the warehouse body (2) and the press cover (31). A first accommodating groove (11) is arranged on the side wall of the press cover (31) and surrounds the first sealing ring (10).

6. A vacuuming device according to claim 2, characterized in that: A pressure relief assembly (12) is arranged on the press piece (3). The pressure relief assembly (12) releases the pressure of the bottle mouth before the bottle is opened again.

7. A vacuuming device according to claim 6, characterized in that: The pressure relief assembly (12) includes a pressure relief rod (121). The pressure relief rod (121) is coaxially movably arranged in the limiting cylinder (32). The bottom of the limiting cylinder (32) is provided with a second sealing ring (13). The second sealing ring (13) abuts against the side wall of the pressure relief rod (121). The upper end of the pressure relief rod (121) is provided with a pressure relief groove (14) along the length direction.

8. A vacuuming device according to claim 7, characterized in that: A touch block switch (15) is arranged at the bottom of the communication groove (6). The touch block switch (15) is fixedly connected with the first check valve (7). The touch block switch (15) is located on the central axis of the pressure relief rod (121).

9. A vacuuming device according to claim 7, characterized in that: The pressure relief assembly (12) further comprises a second return spring (122) located in the limiting cylinder (32) and sleeved on the pressure relief rod (121), when the second return spring (122) is in a natural state, the top of the pressure relief rod (121) is flush with the top of the pressing cover (31), and the part of the pressure relief rod (121) where the pressure relief groove (14) is located is inside the limiting cylinder (32).

10. A vacuuming device according to claim 9, characterized in that: The top of the pressure relief rod (121) is rotationally connected with a push rod (16), the top of the pressing cover (31) is provided with a second accommodating groove (17), when the second return spring (122) is in a natural state, the push rod (16) is rotated into the second accommodating groove (17), and the upper surface of the push rod (16) is flush with the surface of the pressing cover (31).

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