CN214452144U - Vacuum sealing machine - Google Patents

Abstract

The application relates to the technical field of sealing machine equipment, and relates to a vacuum sealing machine, which comprises a machine body for vacuumizing and sealing bags, wherein the machine body comprises a base, a cover body hinged to one side of the base and an air exhaust assembly arranged on the base, the cover body and the base are matched with each other and are covered to form a negative pressure cavity, and the air exhaust assembly is communicated with the negative pressure cavity and is used for absorbing gas in the negative pressure cavity; carry out vacuum treatment through the air of pumping the subassembly in with the negative pressure intracavity for the atmospheric pressure of negative pressure intracavity is less than external atmospheric pressure, and then makes the inseparable type of laminating of lid and base stronger, that is to say, has reduced the clearance of sack opening part, and then makes the organism carry out the in-process of evacuation to the sack, reduces the entering volume that external gas entered into the sack again, the effectual evacuation efficiency that has improved the sack.

Description

Vacuum sealing machine

Technical Field

The application relates to the field of sealing machine equipment, in particular to a vacuum sealing machine.

Background

The existing vacuum sealing machine is to put the article to be sealed into a vacuum bag, pump out the air in the vacuum bag, and finish the sealing process after reaching the predetermined vacuum degree; is suitable for vacuumizing various foods, meat products, marine products, fruits and vegetables, pickles, cooled meat, medical products, hardware elements, medical instruments and the like; the vacuum sealing machine is used for vacuumizing and sealing the vacuum bag and mainly has the functions of removing oxygen, inhibiting the growth and reproduction of microorganisms and preventing the oxidation of the articles to be sealed.

The current chinese utility model patent that bulletin number is CN208070189U discloses a vacuum capper with integral type buckle, include: the side edge of the upper cover is hinged to the side edge of the base, and the upper cover covers the base after being turned over; the bottom of the integrated buckle is fixed at the end part of the base; the middle part of the integrated buckle is a connecting piece capable of rebounding; the top of the integrated buckle is provided with a baffle, and the top of the baffle is provided with a downward inclined surface; a clamping hole is formed below the baffle; the bottom of the integrated buckle is a vertical plate; the connecting piece is an arc-shaped plate, the arc-shaped plate protrudes towards the outer side of the end part of the base, and a convex block is fixed on the outer side of the arc-shaped plate; the baffle is fixed on the top of the arc-shaped plate and is positioned on the inner side of the bump; the bottom of the upper cover is provided with a through hole corresponding to the baffle, and a buckle plate is arranged on one side of the through hole of the upper cover; when the upper cover closes the in-process with the base lid, the baffle stretches into in the through-hole, and the buckle slides downwards along the inclined plane of baffle, and the connecting piece takes place to deform to the direction on inclined plane, and until, the buckle slides whole inclined plane, the connecting piece kick-backs and drives the buckle and stretch into the card hole of baffle below, and at this moment, the baffle is downthehole with the buckle restriction at the card, upper cover and base locking.

With respect to the related art in the above, the inventors consider that: the sack is lived to this kind of connected mode of buckle lock with the upper cover pressure, and the sack still has more clearance in fact, carries out the in-process of evacuation at the capper to the sack, and in this part clearance reentrant sack is easily followed to external gas, and then the capper need have bigger pumping power, just can be better the realization to the evacuation of sack.

SUMMERY OF THE UTILITY MODEL

In order to improve the lid of capper base and lid and close the leakproofness, improve the efficiency of sealing of capper simultaneously, this application provides a vacuum capper.

The application provides a vacuum capper adopts following technical scheme:

the utility model provides a vacuum sealing machine, is including being used for carrying out evacuation and the organism that seals to the sack, the organism include the base, articulate in the lid of base one side, set up in bleed subassembly on the base, the lid with the base matches the lid each other and closes in order to form the negative pressure chamber, bleed the subassembly with negative pressure chamber intercommunication just is used for absorbing the gas in the negative pressure chamber.

By adopting the technical scheme, a user places the bag on the upper side of the base, then rotates the cover body to enable the cover body to cover the base, and at the moment, the air in the negative pressure cavity is subjected to vacuum treatment through the air exhaust assembly, so that the air pressure in the negative pressure cavity is lower than the external air pressure, the close fit between the cover body and the base is stronger, namely, the gap at the opening of the bag is reduced, the entering amount of the external air entering the bag again is reduced in the process that the bag is vacuumized by the machine body, and the bag vacuumizing efficiency is effectively improved; on the other hand, the air exhaust power of the machine body is reduced, and the service life of the machine body is prolonged; simultaneously, for buckle formula connected mode, realize the mode of laminating relatively of lid and base through the subassembly of bleeding like this, reduced artifical the pressing, improved the efficiency of sealing of user to the sack.

Preferably, the negative pressure chamber including set up in the groove of stepping down on the lid, be provided with on the base can with the groove intercommunication of stepping down links up the groove, the organism still includes the sealing member, works as the lid with the base lid is used for sealing when closing the groove of stepping down with link up groove butt department.

Through adopting above-mentioned technical scheme, the subassembly of bleeding is at the in-process of taking out the gas in the groove of stepping down, because the existence of sealing member, can prevent effectively that external gas from getting into the volume in the negative pressure chamber from the clearance of the butt department in groove of stepping down and the groove of linking up, and then guarantees the gas tightness in negative pressure chamber, has reduced the load of extraction subassembly.

Preferably, the sealing member including install in the base orientation the first sealed pad of one side of lid, it is equipped with annular arch to link up the groove opening part, first sealed pad include the installation department to and integrated into one piece in the kink of installation department, the installation department is provided with the confession the mounting groove of the protruding embedding of annular, the kink court the orientation slope that annular arch was kept away from sets up downwards.

By adopting the technical scheme, the bending part is sleeved on the annular bulge, so that the phenomenon that gas enters the abdicating groove through the gap between the bending part and the annular bulge is reduced; the lid can extrude the kink at the in-process that pushes down, and then makes the contact of kink and lid inseparabler, has improved the gas tightness between first sealed pad and the lid.

Preferably, the sealing member including install in link up the telescope tube on the groove, the telescope tube is including inlaying the department of linking up in the groove, set up in link up the portion upper end and be wavy expansion portion, and set up in the expansion portion upper end just can contradict in the hole enlargement portion of groove diapire of stepping down, link up the portion with the subassembly intercommunication of bleeding.

By adopting the technical scheme, when the cover body covers the base, the bottom wall of the abdicating groove can be abutted against the upper side wall of the diameter expanding part, the cover body and the base can have certain abutting force even if the air exhaust assembly does not operate in a mode of extruding the telescopic sleeve, and then the connection firmness of the cover body and the base is further improved by operating the air exhaust assembly; on the other hand, the contact area of the cover body and the telescopic sleeve is increased by the diameter expanding part, so that the air tightness of the cover body and the base is improved; meanwhile, the telescopic sleeve has better elastic deformation capacity, so that the service life of the sealing element can be effectively prolonged.

Preferably, the base includes with the epitheca that the lid is connected, and can dismantle connect in the inferior valve of epitheca, the epitheca with form the installation cavity between the inferior valve, the subassembly of bleeding is including installing in the first aspiration pump in the installation cavity.

By adopting the technical scheme, the air pump is arranged in the mounting cavity of the base, so that the structural compactness of the sealing machine can be improved; on the other hand, the sealing machine is convenient to transport, and the applicability of the sealing machine is further improved.

Preferably, the organism is still including being used for carrying out the heat-seal subassembly that heats to the sack to and be used for carrying out vacuum treatment's the subassembly of breathing in to the sack, the heat-seal subassembly is including inlaying and locating the electric heat strip of base upside, just be located on the base the electric heat strip with join and be provided with the holding tank between the groove, the subassembly of breathing in is for installing in the installation cavity and with the second aspiration pump of holding tank intercommunication.

Through adopting above-mentioned technical scheme, when the operation is sealed in the reality, place sack opening one end in the holding tank, close the lid on the base, the first aspiration pump of operation for the laminating of lid and base is inseparabler, then the second aspiration pump of operation, make the gas in the sack taken away, then heating the electric heating strip, make the opening of sack lived by the heat-seal, simple easy operation, can effectual improvement user carry out the work efficiency who seals to the sack.

Preferably, the lid be equipped with the sack support tightly in the elastic component of electrothermal strip, the lid still inlays and is equipped with and can be used for conflicting the second is sealed to fill up the base, the sealed edge of second the holding tank encircles the setting.

By adopting the technical scheme, the elastic piece increases the sealing efficiency of the bag and improves the heat transfer efficiency of the electric heating strip; through the second sealed pad to reach the gas tightness that improves the holding tank, reduce the phenomenon that gaseous entering into the holding tank, and then improve the air-bleed efficiency of second aspiration pump.

Preferably, the lid is equipped with the joint groove along its length direction, the elastic component including the joint in joint portion in the joint groove to and be used for the hollow portion of conflict sack, hollow portion is the tubulose setting.

By adopting the technical scheme, the clamping part is clamped in the clamping groove, so that a user can conveniently install the elastic piece; the lid is at the in-process that closes, and hollow portion can take place to warp, and then increases the area of contact of hollow portion and base, and then improves the butt effect of sack and electric heat strip.

Preferably, the weighing device further comprises a pressure sensor arranged on the machine body and used for weighing the bag, and a display screen electrically connected with the pressure sensor, wherein the display screen is arranged on the cover body.

Through adopting above-mentioned technical scheme, in the in-service use process, the sack is equipped with the product, needs to weigh the sack after sealing, then pastes the label, and this capper has pressure sensor, and then makes and seal at the sack and handle the back, uses through display screen and pressure sensor's cooperation, pastes the label to the sack fast, the effectual suitability that improves the capper more accords with the market demand of capper.

Preferably, pressure sensor is provided with a plurality ofly, and is a plurality of pressure sensor install respectively in a plurality of apex angle departments of installation intracavity, pressure sensor passes through the connecting piece and contradicts with ground, the inferior valve is equipped with the confession the hole of stepping down that the connecting piece wore to establish.

By adopting the technical scheme, the quality of the bag and the product in the bag can be accurately measured by matching the pressure sensors with the connecting pieces.

Drawings

Fig. 1 is a schematic structural diagram of a vacuum sealing machine according to a first embodiment of the present application.

Fig. 2 is a partial schematic view of a vacuum sealer for displaying a display screen.

Fig. 3 is an enlarged view of a portion a of fig. 2 for showing a first sealing gasket of the vacuum sealer.

Fig. 4 is an enlarged view of a portion B of fig. 2 for illustrating the elastic member of the vacuum sealer.

Fig. 5 is a partial schematic view showing a first and second suction pump of the vacuum capper.

Fig. 6 is an enlarged view of a portion C of fig. 5 for showing a friction pad of the vacuum sealer.

Fig. 7 is a schematic structural diagram of a vacuum sealing machine according to a second embodiment of the present application.

Fig. 8 is a schematic view showing the structure of the bellows of the vacuum sealing machine.

Description of reference numerals: 1. a base; 11. a joining groove; 12. an annular projection; 13. an upper shell; 14. a lower case; 15. a mounting cavity; 16. accommodating grooves; 17. a hole of abdication; 2. a cover body; 21. a yielding groove; 22. an air extraction pipeline; 23. a connecting frame; 24. connecting the pipe; 25. a clamping groove; 3. a first gasket; 31. an installation part; 32. a bending section; 33. mounting grooves; 3a, a telescopic sleeve; 3b, a connecting part; 3c, a telescopic part; 3d, an expanding part; 4. a first air pump; 5. an electrically heated strip; 6. a second air pump; 7. an elastic member; 71. a clamping part; 72. a hollow portion; 8. a second gasket; 81. an embedding part; 82. a connecting portion; 83. a first guide slope; 9. a pressure sensor; 10. an annular groove; 101. a display screen; 102. a connecting member; 103. connecting blocks; 104. a friction pad; 105. a second guide slope.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a vacuum sealing machine.

Example 1:

referring to fig. 1 and 2, a vacuum sealing machine includes a machine body for vacuumizing and sealing a bag, the machine body includes a base 1, a cover 2 hinged to one side of the base 1, a heat-sealing assembly for heating a bag opening, and an air suction assembly for performing vacuum treatment on the bag, a sealing member, and an air suction assembly, the cover 2 is connected with the base 1 in a shaft-hinged manner, and one side of the cover 2 rotates towards a direction that the base 1 is close to or away from, in this embodiment, the base 1 includes an upper shell 13 rotatably connected with the cover 2, and a lower shell 14, the upper shell 13 is detachably connected to the lower shell 14 through bolts, the upper shell 13 and the lower shell 14 form an installation cavity 15 for placing the air suction assembly, so as to improve the structural compactness of the sealing machine.

In order to facilitate the cover body 2 to cover the base 1, and further improve the sealing efficiency of the bag by the user, a negative pressure cavity is formed when the cover body 2 and the base 1 are covered, in this embodiment, the negative pressure cavity is a receding groove 21 disposed on one side of the cover body 2 for abutting against the upper shell 13, the receding groove 21 is disposed on one side of the cover body 2 close to the rotation center of the cover body and the base 1, meanwhile, a linking groove 11 capable of communicating with the receding groove 21 is disposed on the upper shell 13, and the sealing member is a first sealing gasket 3 disposed on the linking groove 11, so that when the cover body 2 covers the base 1, the first sealing gasket 3 can seal the joint between the receding groove 21 and the linking groove 11.

An annular protrusion 12 is integrally formed at an opening of the connecting groove 11, the first sealing gasket 3 comprises an installation part 31 with the lower end embedded in the upper shell 13 and a bending part 32 integrally formed on the installation part 31, the installation part 31 is provided with an installation groove 33 for embedding the annular protrusion 12, and in the actual production process, the annular protrusion 12 is in interference fit with the installation part 31, so that a user only needs to sleeve the installation part 31 on the annular protrusion 12 to realize the installation of the first sealing gasket 3, and the operation is simple and easy; in the embodiment, the bending portion 32 is disposed obliquely downward toward the direction away from the annular protrusion 12, and the upper end of the bending portion 32 is integrally formed at the upper end of the mounting portion 31, when the cover body 2 covers the base 1, the opening of the avoiding groove 21 will press the bending portion 32, so that the bending portion 32 deforms, and one side of the bending portion 32 away from the mounting portion 31 abuts against the inner wall of the avoiding groove 21, thereby ensuring the air tightness of the avoiding groove 21; preferably, the outer wall of the linking frame 23 abuts against the mounting portion 31 against the annular protrusion 12, so as to further improve the air tightness of the first sealing gasket 3 against the receding groove 21.

Referring to fig. 2 and 3, an air exhaust pipeline 22 communicated with the abdicating groove 21 is arranged on the upper shell 13, in this embodiment, the air exhaust pipeline 22 includes a joining frame 23 embedded in the joining groove 11 and a joining pipe 24 integrally formed on the bottom wall of the joining frame 23, the opening of the joining frame 23 faces upward, and an air exhaust component can be connected with the joining pipe 24 through a pipeline; in actual operation, a user places the bag opening on the upper shell 13, covers the cover body 2 on the upper shell 13, operates the air exhaust assembly, and performs vacuum-pumping operation on the abdicating groove 21 and the connecting groove 11, so that the cover body 2 is tightly abutted against the upper shell 13, and the air leakage phenomenon generated when the bag is vacuumized by the machine body is reduced; on the other hand, through the subassembly of bleeding as the power supply, can effectively improve the tight dynamics of supporting of lid 2 and base 1, reduce staff's intensity of labour simultaneously.

Referring back to fig. 1 and 2, in the present embodiment, the air extracting component is the first air extracting pump 4 installed in the installation cavity 15 by bolts, the first air extracting pump 4 may be communicated with the connecting pipe 24 (as shown in fig. 3) by a pipeline, and during manufacturing, according to actual needs, the air extracting component may also be an external air compressor, as long as the evacuation operation of the receding groove 21 can be realized, so that the description is not repeated in the present embodiment; in order to further improve the connection firmness of the cover body 2 and the base 1, two abdicating grooves 21 are arranged, and the two abdicating grooves 21 are symmetrically arranged around the cover body 2; in the manufacturing process, the number of the abdicating grooves 21 can be set to be other numbers according to the actual requirement; preferably, the two abdicating grooves 21 are vacuumized by the first air pump 4, so as to improve the structural compactness of the sealing machine.

During manufacturing, according to actual needs, the first air pump 4 may also be installed inside the cover 2, the receding groove 21 is correspondingly designed on the base 1, and the first sealing gasket 3 may also be installed on the receding groove 21, as long as the purpose of tightly attaching the cover 2 and the base 1 is achieved, so that the description is not repeated in this embodiment.

Referring to fig. 2 and 5, the suction module is a second suction pump 6 mounted in the mounting chamber 15 by bolts for the purpose of vacuuming the bag; holding tank 16 has appeared in epitheca 13 upside an organic whole, holding tank 16 extends the setting along epitheca 13 length direction, and holding tank 16 is located the position between sealing device and the annular arch 12, second aspiration pump 6 can communicate with holding tank 16 through the pipeline, in the time of actual operation, place the opening of sack in holding tank 16, after lid 2 lid fits base 1, the first aspiration pump 4 of operation, make the gas in the groove of stepping down 21 clapped away, and then make the close laminating of lid 2 fit in epitheca 13, then operation second aspiration pump 6, make the air in the sack removed through holding tank 16, simple easy operation.

Referring back to fig. 2 and 4, a second gasket 8 for abutting against the surface of the upper shell 13 is further embedded in the cover body 2, in this embodiment, the second gasket 8 is annularly arranged around the accommodating groove 16, in this embodiment, the upper shell 13 is provided with an annular groove 10, the second gasket 8 includes an embedded portion 81 embedded in the annular groove 10 and a connecting portion 82 embedded in the cover body 2, and one end of the embedded portion 81 away from the connecting portion 82 is provided with a first guiding inclined surface 83 for abutting against the annular groove 10, so as to guide the embedded portion 81; when the bag opening is in the receiving groove 16, the embedding portion 81 abuts against one side of the bag and presses the bag into the annular groove 10, thereby reducing the gap between the bag and the cover body 2 and further improving the air tightness of the receiving groove 16.

In order to realize the purpose of sealing the bag, the heat-sealing component is an electric heating strip 5 which is embedded on the upper side of the upper shell 13 and is connected with a power supply, and the electric heating strip 5 extends along the length direction of the upper shell 13; in order to improve the heat transfer effect of electric heat strip 5 to the sack, be equipped with on the lid 2 and support the sack tightly in the elastic component 7 of electric heat strip 5, in this embodiment, one side that lid 2 is used for contradicting epitheca 13 is equipped with joint groove 25, joint groove 25 extends the setting along the direction of lid 2 length, elastic component 7 is including joint portion 71 of joint in joint groove 25, and be used for the hollow portion 72 of conflict sack, hollow portion 72 is the tubulose setting, when lid 2 lid fits epitheca 13, hollow portion 72 receives the extrusion and takes place deformation, and then increase the area of contact of hollow portion 72 and epitheca 13, and then it is inseparabler with the contact of sack with electric heat strip 5.

Referring to fig. 5 and 6, because the sealing machine is adapted to market demands, the sealing machine body is provided with a pressure sensor 9 for weighing, a processor electrically connected with the pressure sensor 9, and a display screen 101 (as shown in fig. 2) electrically connected with the processor, in this embodiment, the display screen 101 is installed on one side of the cover body 2 away from the upper shell 13, and the number of the pressure sensors 9 is four, and the four pressure sensors 9 are respectively installed in the installation cavity 15 and located at four vertex angles of the installation cavity 15, each pressure sensor 9 is in contact with the ground through a connecting piece 102, in this embodiment, the connecting piece 102 includes a connecting block 103 fixedly connected to the lower end of the pressure sensor 9 and a friction pad 104 embedded at the lower end of the connecting block 103, the lower shell 14 is provided with a abdicating hole 17 for the connecting block 103 to penetrate, and the friction pad 104 can improve the friction force of places such as the sealing machine and a desktop, through the cooperation of the pressure sensor 9, the processor and the display screen 101, a user can know the weight of the bag placed on the upper side of the cover body 2 conveniently, and the applicability of the sealing machine is improved; during manufacturing, the number of the pressure sensors 9 may be other numbers according to actual needs, and the installation position of the pressure sensors 9 may be other positions as long as weighing of the bag can be achieved, so that the description is not repeated in this embodiment.

The implementation principle of the embodiment 1 is as follows: placing the bag opening into the accommodating groove 16, then covering the cover body 2 on the base 1 to enable the first sealing gasket 3 to be abutted against the inner wall of the abdicating groove 21, operating the first air pump 4, and further carrying out vacuumizing treatment on the abdicating groove 21 to enable the cover body 2 to be tightly attached to the upper shell 13, so that the attaching tightness of the cover body 2 and the base 1 is effectively improved, and a user can conveniently carry out sealing operation on the bag; then the second aspiration pump 6 of operation, and then carry out the evacuation operation to the sack, then heat electric heating strip 5, accomplish the operation of sealing to the sack, simple easy operation has effectually improved the user to the efficiency of sealing of sack.

Example 2:

referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that the sealing member is a telescopic sleeve 3a mounted on the connecting groove 11, the telescopic sleeve 3a includes a connecting portion 3b embedded in the connecting groove 11, a telescopic portion 3c integrally formed at an upper end of the connecting portion 3b, and an expanded diameter portion 3d integrally formed at an upper end of the telescopic portion 3c, and in the present embodiment, the telescopic portion 3c is corrugated to improve deformability and deformation restorability of the telescopic sleeve 3 a; and the joint part 3b, the expansion part 3c and the diameter expansion part 3d are sequentially communicated, the joint part 3b can be communicated with the first air pump 4 in a pipeline mode, when the cover body 2 covers the base 1, the upper end surface of the diameter expansion part 3d can be abutted against the bottom wall of the abdicating groove 21, then the first air pump 4 is operated, so that the gas in the expansion sleeve 3a is pumped away, and one side of the diameter expansion part 3d, which is back to the expansion part 3c, is tightly attached to the cover body 2, so that the air tightness of the cover body 2 and the base 1 is effectively improved.

In this embodiment, the opening of the joining groove 11 is provided with a second guiding inclined surface 105 capable of abutting against the joining part 3b, so that the installation efficiency of the telescopic sleeve 3a can be improved; meanwhile, the second guide inclined surface 105 can be attached to one side of the telescopic part 3c, which is far away from the diameter-expanding part 3d, so that the pressure generated after the telescopic part 3c is extruded is reduced, and the service life of the telescopic sleeve 3a is prolonged; in this embodiment, three abdicating grooves 21 and three connecting grooves 11 are provided, and the number of the telescopic sleeves 3a corresponds to the number of the abdicating grooves 21 one by one, so as to further improve the connection firmness of the cover body 2 and the base 1; in the manufacturing process, the number of the receding grooves 21 may be other numbers according to actual requirements, as long as the purpose of tightly attaching the cover 2 and the base 1 can be achieved, so that the description of the embodiment is not repeated.

The implementation principle of the embodiment 2 is as follows: placing the bag opening into the accommodating groove 16, then covering the cover body 2 on the base 1 to enable the diameter expanding part 3d to abut against the inner wall of the abdicating groove 21, operating the first air pump 4, and further carrying out vacuumizing treatment on the telescopic sleeve 3a to enable the cover body 2 to be tightly attached to the upper shell 13, so that the attaching tightness of the cover body 2 and the base 1 is effectively improved, and a user can conveniently seal the bag; then the second aspiration pump 6 of operation, and then carry out the evacuation operation to the sack, then heat electric heating strip 5, accomplish the operation of sealing to the sack, simple easy operation has effectually improved the user to the efficiency of sealing of sack.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A vacuum sealing machine is characterized in that: including being used for carrying out evacuation and the organism that seals to the sack, the organism include base (1), articulate in lid (2) of base (1) one side, set up in the subassembly of bleeding on base (1), lid (2) with base (1) matches the lid each other and closes in order to form the negative pressure chamber, the subassembly of bleeding with negative pressure chamber intercommunication just is used for absorbing the gas in the negative pressure chamber.

2. A vacuum sealing machine as claimed in claim 1, characterized in that: the negative pressure chamber including set up in groove (21) of stepping down on lid (2), be provided with on base (1) can with join in marriage groove (11) that groove (21) communicate of stepping down, the organism still includes the sealing member, works as lid (2) with base (1) lid is used for sealing when closing groove (21) of stepping down with join in marriage groove (11) butt department.

3. A vacuum sealing machine as claimed in claim 2, characterized in that: the sealing member including install in base (1) orientation the first sealed pad (3) of one side of lid (2), it is equipped with annular arch (12) to link up groove (11) opening part, first sealed pad (3) are including installation department (31) to and integrated into one piece in kink (32) of installation department (31), installation department (31) are provided with the confession mounting groove (33) of the protruding (12) embedding of annular, kink (32) court the direction slope that annular arch (12) was kept away from sets up downwards.

4. A vacuum sealing machine as claimed in claim 2, characterized in that: the sealing member including install in flexible cover (3 a) on linking groove (11), flexible cover (3 a) are including inlaying and locating linking portion (3 b) of linking groove (11), set up in linking portion (3 b) upper end and being wavy expansion portion (3 c), and set up in expansion portion (3 c) upper end just can contradict in hole enlargement portion (3 d) of groove diapire of groove (21) of stepping down, linking portion (3 b) with the subassembly intercommunication of bleeding.

5. A vacuum sealing machine as claimed in claim 2, characterized in that: the base (1) include with epitheca (13) that lid (2) are connected, and can dismantle connect in inferior valve (14) of epitheca (13), epitheca (13) with form installation cavity (15) between inferior valve (14), the subassembly of bleeding including install in first aspiration pump (4) in installation cavity (15).

6. The vacuum sealing machine of claim 5, wherein: the organism is still including being used for carrying out the heat-seal subassembly that heats to the sack to and be used for carrying out vacuum treatment's the subassembly of breathing in to the sack, the heat-seal subassembly is including inlaying and locating electrothermal strip (5) of base (1) upside, just be located on base (1) electrothermal strip (5) with join in marriage and be provided with holding tank (16) between groove (11), the subassembly of breathing in be for install in installation cavity (15) in and with second aspiration pump (6) of holding tank (16) intercommunication.

7. The vacuum sealing machine of claim 6, wherein: the cover body (2) is provided with an elastic piece (7) which tightly supports the bag to the electric heating strip (5), the cover body (2) is further embedded with a second sealing gasket (8) which can be used for abutting against the base (1), and the second sealing gasket (8) is arranged around the accommodating groove (16).

8. The vacuum sealing machine of claim 7, wherein: lid (2) are equipped with joint groove (25) along its length direction, elastic component (7) including the joint in joint portion (71) in joint groove (25) to and be used for contradicting hollow portion (72) of sack, hollow portion (72) are the tubulose setting.

9. The vacuum sealing machine of claim 5, wherein: the weighing machine is characterized by further comprising a pressure sensor (9) arranged on the machine body and used for weighing bags, and a display screen (101) electrically connected with the pressure sensor (9), wherein the display screen (101) is installed on the cover body (2).

10. A vacuum sealing machine as claimed in claim 9, wherein: pressure sensor (9) are provided with a plurality ofly, and a plurality of pressure sensor (9) install respectively in a plurality of apex angle departments in installation cavity (15), pressure sensor (9) are contradicted with ground through connecting piece (102), inferior valve (14) are equipped with the confession hole of stepping down (17) that connecting piece (102) were worn to establish.

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