CN219601694U - Magnetic attraction pre-closing vacuum sealing machine - Google Patents
Magnetic attraction pre-closing vacuum sealing machine Download PDFInfo
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- CN219601694U CN219601694U CN202321267294.5U CN202321267294U CN219601694U CN 219601694 U CN219601694 U CN 219601694U CN 202321267294 U CN202321267294 U CN 202321267294U CN 219601694 U CN219601694 U CN 219601694U
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Abstract
The utility model relates to a magnetic attraction pre-closing vacuum sealing machine, which comprises a base, a cover body and a vacuum pump, wherein the base and the cover body are hinged and opened and closed, a vacuum pumping cavity communicated with an air pumping hole of the vacuum pump is arranged between the base and the cover body, sealing rings are arranged between the base and the cover body and correspond to the upper side and the lower side of the vacuum pumping cavity, a sealing device for sealing a bag opening during vacuum pumping is also arranged between the base and the cover body, a magnetic attraction assembly is arranged between the base and the cover body and close to the opening or/and the upper side and the lower side of the vacuum pumping cavity, and the base and the cover body are in pre-tight fit with each other through the attraction of the magnetic attraction assembly. The magnetic attraction pre-closing vacuum sealing machine is additionally provided with the magnetic attraction, so that the adhesion degree of the vacuumizing cavity and the cover body is improved, and air leakage or air tightness is reduced; when the vacuum pump is started, the exhaust amount is larger than the air inflow, so that obvious negative pressure is formed in the vacuumizing cavity, the cover body is further attached, and the vacuumizing effect is improved.
Description
Technical Field
The utility model relates to the field of vacuum sealing machines, in particular to a magnetic attraction pre-closing vacuum sealing machine.
Background
The current vacuum sealing machine only uses the negative pressure in the air suction process to close the vacuum suction cavity, so that the air leakage is serious. The cover body is generally pressed by hands initially, then the upper cavity and the lower cavity of the vacuum cavity are evacuated to a certain extent, the hands are loosened after the upper cavity and the lower cavity of the vacuum cavity are closed by negative pressure, the operation is troublesome, and the prior art disclosed by the existing vacuum sealing machine, such as the Chinese patent document application number is: the utility model provides a vacuum sealing machine of ZL 202120207087.5's "an automatic clamp" shows, the vacuum sealing machine of this structure is through setting up main sealing pad and the vice sealing pad of mutual support around the periphery of extraction opening, thereby form the evacuation chamber and realize evacuating and compress tightly between organism and the lid only in main sealing pad and vice sealing pad within range, but this vacuum chamber's coverage is little, can not utilize the evacuation chamber to carry out the function of extracting air to the sack simultaneously, still need the electro-magnet that the cooperation circular telegram just can be started in addition strengthen the compactness between organism and the lid, and the inventor provides a novel scheme of alternative above-mentioned prior art problem through structural improvement and perfection, for the consumer to select to use.
Disclosure of Invention
The utility model aims to solve the existing problems and provide the magnetic attraction pre-closing vacuum sealing machine which has a simple and reasonable structure and has the main functions of increasing magnetic attraction, improving the adhesion degree of a vacuumizing cavity and a cover body and reducing air leakage or air tightness.
The utility model provides a magnetic attraction pre-closing vacuum sealing machine, is including articulated base and the lid that opens and shuts the connection and vacuum pump, be provided with between base and the lid with the evacuation cavity of vacuum pump's extraction opening intercommunication, and be provided with the sealing ring between the upper and lower both sides of corresponding evacuation cavity between base and the lid, and still be equipped with between base and the lid and seal the closing device that seals the sack when the evacuation, lean on base and the lid to open and shut or/and be provided with the magnetism between the upper and lower both sides of evacuation cavity and inhale the subassembly, base and the lid are through the mutual suction effect of subassembly under, make the upper and lower both sides pretension laminating of evacuation cavity.
The aim of the utility model can be also solved by adopting the following technical measures:
as a more specific scheme, the base is provided with a plurality of suckers uniformly dispersed on the bottom surface, and the suckers simultaneously form base support legs.
As a further scheme, a pressure relief switch is arranged at the front end side or the front end side close to the opening position of the cover body or the side wall of the base is provided with a pressure relief switch; the vacuumizing cavity is connected with a pressure relief air passage, and the pressure relief air passage is controlled to be communicated with the outside through a pressure relief switch until the air pressure in the vacuumizing cavity is the same as the atmospheric pressure so as to open the cover body. The pressure relief gas circuit is provided with a switch valve controlled by a pressure relief switch in a touch mode, or the pressure relief gas circuit is provided with an electric control valve, and the pressure relief switch is used for starting a control circuit of the electric control valve to realize opening of the electric control valve.
As a further scheme, the cover body is hinged with the base through a hinge arm.
As a further scheme, the vacuumizing cavity comprises an upper cavity and a lower cavity, and the upper cavity and the lower cavity are respectively arranged on the cover body and the base; the sealing ring comprises an upper sealing ring and a lower sealing ring, and the upper sealing ring and the lower sealing ring are respectively arranged at the openings of the upper cavity and the lower cavity; after the cover body and the base are closed, the upper sealing ring and the lower sealing ring are in pre-tightening fit under the suction force of the magnetic suction assembly. In cooperation with the air suction function of the vacuum pump, the upper sealing ring and the lower sealing ring cooperate with the negative pressure function on the basis of pre-tightening and laminating due to the negative pressure of the vacuumizing cavity, and are closed instantaneously, so that air leakage is avoided.
As a further scheme, the magnetic component comprises an upper magnet and a lower magnet, and the upper magnet and the lower magnet are respectively arranged on the cover body and the base; at least one of the upper magnet and the lower magnet is a magnet.
As a further scheme, be equipped with control circuit board in the lid, be equipped with control switch and display screen on the control circuit board.
As a further scheme, the sealing device comprises a pressing contact strip and a heating body, wherein the pressing contact strip and the heating body are respectively arranged on the cover body and the base, and the pressing contact strip and the heating body are positioned outside one side of the vacuumizing cavity, which is close to the opening and closing opening of the cover body and the base.
As a further scheme, an inner cup is arranged in the lower cavity of the vacuum pumping cavity, and a left baffle, a right baffle and a rear baffle are respectively arranged on the left side, the right side and the upper side of the inner cup.
As a further scheme, the packaging bag roll placing groove is formed in the rear of the top of the base, a left-right directional sliding groove is formed between the packaging bag roll placing groove and the vacuumizing cavity, and an opening knife is arranged on the sliding groove.
The beneficial effects of the utility model are as follows:
(1) The magnetic attraction pre-closing vacuum sealing machine is additionally provided with the magnetic attraction, so that the adhesion degree of the vacuumizing cavity and the cover body is improved, and air leakage or air tightness is reduced; when the vacuum pump is started, the exhaust amount is larger than the air inflow, so that obvious negative pressure is formed in the vacuumizing cavity, the cover body is further attached, the vacuumizing cavity is closed, and the vacuumizing effect is improved.
(2) The magnetic attraction pre-closing vacuum sealing machine is provided with the supporting legs which are suckers, so that the adhesive force between the base and the tabletop is increased, and the phenomenon that the base is lifted synchronously due to the magnetic force when the cover is opened is avoided.
Drawings
Fig. 1 is a schematic top view of a first embodiment of the present utility model.
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1.
Fig. 3 is a schematic perspective view of the present utility model.
Fig. 4 is a schematic view of the structure of the opened cover state of the present utility model.
Fig. 5 is an exploded view of the inner cup of fig. 4.
Fig. 6 is a schematic diagram of the vacuum pump and pressure relief air path positions of the present utility model.
Fig. 7 is a schematic view of the structure of the inner cup of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 to 7, the magnetic attraction pre-closing vacuum sealing machine comprises a base 1, a cover body 2 and a vacuum pump 3, wherein the base 1 and the cover body 2 are hinged and opened and closed, a vacuum pumping cavity communicated with a pumping hole of the vacuum pump 3 is arranged between the base 1 and the cover body 2, sealing rings are arranged between the upper side and the lower side of the vacuum pumping cavity corresponding to the vacuum pumping cavity between the base 1 and the cover body 2, a sealing device for sealing a bag opening during vacuum pumping is further arranged between the base 1 and the cover body 2, a magnetic attraction assembly is arranged between the upper side and the lower side of the vacuum pumping cavity and/or between the upper side and the lower side of the vacuum pumping cavity, and the base 1 and the cover body 2 are in pre-tightening fit under the mutual attraction force of the magnetic attraction assembly; when the vacuum pump is started, the exhaust amount is larger than the air inflow, so that obvious negative pressure is formed in the vacuumizing cavity, the cover body is further attached, and the vacuumizing effect is improved.
The magnetic attraction pre-closing vacuum sealing machine is provided with the supporting legs which are the suckers, the adhesive force between the base 1 and a tabletop is increased, and the phenomenon that the base 1 is lifted synchronously due to the magnet force when a cover is opened is avoided.
Preferably, a pressure release switch is arranged on the front end side or the front end side close to the opening and closing position of the cover body 2 or on the side close to the front end side of the cover body, or the pressure release switch is arranged on the side wall of the base 1, the vacuumizing cavity is connected with a pressure release air passage, and the pressure release air passage is controlled to be communicated with the outside through the pressure release switch until the air pressure in the vacuumizing cavity is the same as the atmospheric pressure, so that the cover body is opened. The pressure relief gas circuit is provided with a switch valve controlled by a pressure relief switch in a touch mode, or the pressure relief gas circuit is provided with an electric control valve, and the pressure relief switch is used for starting a control circuit of the electric control valve to realize opening of the electric control valve. The pressure relief switch may be provided at B, C, D, E as shown in fig. 3.
The cover body 2 is hinged with the base 1 through a hinge arm 9, and a micro switch 10 is arranged at the position of the base 1 corresponding to the hinge arm 9 when the cover body 2 is in a closed state; the base 1 is provided with a main control circuit 8, the main control circuit 8 is electrically connected with a power supply through a micro switch 10, and the structure ensures that the cover body 2 can start the vacuum pump to work in a closed state through the micro switch 10.
The vacuumizing cavity comprises an upper cavity 41 and a lower cavity 42, and the upper cavity 41 and the lower cavity 42 are respectively arranged on the cover body 2 and the base 1; the sealing rings comprise an upper sealing ring 51 and a lower sealing ring 52, and the upper sealing ring 51 and the lower sealing ring 52 are respectively arranged at the openings of the upper cavity 41 and the lower cavity 42; after the cover body 2 is closed with the base 1, the upper sealing ring 51 and the lower sealing ring 52 are in pre-tightening fit under the suction action force of the magnetic suction assembly, after the cover body 2 is closed with the base 1, the upper sealing ring 51 and the lower sealing ring 52 are propped against each other under the action force of gravity factors, and the upper sealing ring 51 and the lower sealing ring 52 are pressed and tightened by combining the suction action force of the magnetic suction assembly, so that the compactness is better. The vacuum pump 3 is matched with the air suction function, and the upper sealing ring and the lower sealing ring are matched with the negative pressure function on the basis of pre-tightening fit (under the condition of better compactness) due to the negative pressure of the vacuum pumping cavity, so that the vacuum pump is closed instantly, and air leakage is avoided. The number of the vacuum pumps 3 is not limited to one, and may be 1 to 2, and it is preferable that the total suction flow rate is 4L/min or more when all the vacuum pumps are operated.
The specific structure of the magnetic assembly comprises an upper magnet 61 and a lower magnet 62, wherein the upper magnet 61 and the lower magnet 62 are respectively arranged on the cover body 2 and the base 1; in the present embodiment, the upper magnet 61 and the lower magnet 62 may each be a magnet, or one of the upper magnet 61 and the lower magnet 62 may be a magnet and the other may be a iron block.
A control circuit board 11 is arranged in the cover body 2, and a control switch 12 and a display screen 13 are arranged on the control circuit board 11; the control switch 12 is used for controlling the working state of the vacuum sealing machine, and the vacuumizing degree is displayed in real time through the display screen 13. The control circuit board 11 is electrically connected with the main control circuit 8.
The sealing device comprises a press contact strip 14 and a heating body 15, wherein the press contact strip 14 and the heating body 15 are respectively arranged on the cover body 2 and the base 1, and the press contact strip 14 and the heating body 15 are positioned outside one side of the vacuumizing cavity close to the opening of the cover body 2 and the base 1; the press-contact strip 14 is used for pressing the bag mouth, the heating body 15 is used for softening the bag mouth by hot melting, and the bag mouth softened by hot melting is bonded through the press-contact strip 14 so as to realize sealing.
The heat-resistant film 151 is provided on the heat-generating body 15.
An inner cup 16 is arranged in the lower cavity 42 of the vacuumizing cavity, and a left baffle 161, a right baffle 162 and a rear baffle 163 are respectively arranged on the left side, the right side and the upper side of the rear side of the inner cup 16; the inner cup 16 is used for collecting liquid leaked from the bag mouth, so that the lower cavity 42 is prevented from being polluted by seepage liquid, and the left baffle 161, the right baffle 162 and the rear baffle 163 are conveniently used for lifting and placing the inner cup 16.
In addition, the inner cup 16 is provided with a fool-proof concave portion 164 corresponding to the rear baffle 163, and a fool-proof protrusion 421 matched with the fool-proof concave portion 164 is provided on a side wall of the lower cavity 42, so that the inner cup 16 can be assembled in the lower cavity 42 in an oriented manner through the fool-proof protrusion 421 and the fool-proof concave portion 164.
A packaging bag roll placing groove 17 is formed in the rear of the top of the base 1, a left-right directional chute 18 is formed between the packaging bag roll placing groove 17 and the vacuumizing cavity, and an opening knife 19 is arranged on the chute 18; the package roll is cut after the structure is slid in the direction of the chute 18 by the opening knife 19.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a magnetic attraction pre-closing vacuum sealing machine, is including articulated base (1) and lid (2) that open and shut and connect to and vacuum pump (3), be provided with between base (1) and lid (2) with vacuum pump (3) extraction cavity, and be provided with the sealing ring between the upper and lower both sides of corresponding vacuum cavity between base (1) and the lid (2), and still be equipped with between base (1) and lid (2) and seal the closing device of sack when the evacuation, its characterized in that: the vacuum suction device is characterized in that a magnetic suction assembly is arranged between the upper side and the lower side of the base (1) and the upper side of the cover body (2) close to the opening or/and the vacuum suction cavity, and the upper side and the lower side of the vacuum suction cavity are pre-tightly attached under the mutual suction force of the magnetic suction assembly through the base (1) and the cover body (2).
2. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the base (1) is provided with a plurality of suckers (7) which are uniformly dispersed on the bottom surface, and the plurality of suckers (7) simultaneously form base support legs.
3. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the front end side or the top surface of the cover body (2) close to the opening position is provided with a pressure relief switch near the front end side, or the side wall of the base (1) is provided with a pressure relief switch; the vacuumizing cavity is connected with a pressure relief air passage (90), and the pressure relief air passage (90) is controlled to be communicated with the outside through a pressure relief switch until the air pressure in the vacuumizing cavity is the same as the atmospheric pressure, so that the cover body (2) is opened.
4. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the cover body (2) is hinged with the base (1) through a hinge arm (9).
5. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the vacuumizing cavity comprises an upper cavity (41) and a lower cavity (42), and the upper cavity (41) and the lower cavity (42) are respectively arranged on the cover body (2) and the base (1); the sealing ring comprises an upper sealing ring (51) and a lower sealing ring (52), and the upper sealing ring (51) and the lower sealing ring (52) are respectively arranged at the openings of the upper cavity (41) and the lower cavity (42); after the cover body (2) and the base (1) are closed, the upper sealing ring (51) and the lower sealing ring (52) are in pre-tightening fit under the suction force of the magnetic suction assembly.
6. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the magnetic assembly comprises an upper magnet (61) and a lower magnet (62), and the upper magnet (61) and the lower magnet (62) are respectively arranged on the cover body (2) and the base (1); at least one of the upper magnet (61) and the lower magnet (62) is a magnet.
7. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: a control circuit board (11) is arranged in the cover body (2), and a control switch (12) and a display screen (13) are arranged on the control circuit board (11).
8. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the sealing device comprises a pressure contact strip (14) and a heating body (15), wherein the pressure contact strip (14) and the heating body (15) are respectively arranged on the cover body (2) and the base (1), and the pressure contact strip (14) and the heating body (15) are positioned outside one side of the vacuumizing cavity, which is close to the opening and closing opening of the cover body (2) and the base (1).
9. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: an inner cup (16) is arranged in a lower cavity (42) of the vacuum pumping cavity, and a left baffle (161), a right baffle (162) and a rear baffle (163) are respectively arranged on the left side, the right side and the upper side of the inner cup (16).
10. The magnetically-induced pre-close vacuum sealer as claimed in claim 1, wherein: the packaging bag roll placing groove (17) is formed in the rear of the top of the base (1), a left-right directional sliding groove (18) is formed between the packaging bag roll placing groove (17) and the vacuumizing cavity, and an opening knife (19) is arranged on the sliding groove (18).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206434 | 2023-05-17 | ||
| CN2023212064348 | 2023-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601694U true CN219601694U (en) | 2023-08-29 |
Family
ID=87746596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267294.5U Active CN219601694U (en) | 2023-05-17 | 2023-05-23 | Magnetic attraction pre-closing vacuum sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601694U (en) |
-
2023
- 2023-05-23 CN CN202321267294.5U patent/CN219601694U/en active Active
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