CN219790631U - Sealing machine convenient for opening and closing cover - Google Patents

Abstract

The utility model discloses a sealing machine convenient for opening and closing a cover, which comprises a base and an upper cover which is rotatably connected with the base to form a cover opening position and a cover closing position, wherein the base and/or the upper cover is provided with a vacuum cavity, and an air extraction opening and/or an air exhaust opening communicated with the vacuum cavity, and the base and the upper cover are magnetically attracted and matched to attract the upper cover to the base; the sealing machine further comprises a connecting rod rotationally connected with the upper cover, one end of the connecting rod is provided with a sealing block for opening or closing the exhaust port, and the other end of the connecting rod is connected with a supporting rod; in the cover closing position, a movement gap is formed between the support rod and the base; under the action of external force, the connecting rod rotates to enable one end of the connecting rod to lift up to drive the sealing block to lift up to realize exhaust, and the other end of the connecting rod sinks to enable the supporting rod to abut against the base, and the upper cover is switched from the cover closing position to the cover opening position. The closing process of the sealing machine is more labor-saving, the base can be prevented from jumping up without manually pressing the base in the opening process due to the existence of the supporting rods, and the operation is simple and convenient.

Description

Sealing machine convenient for opening and closing cover

Technical Field

The utility model belongs to the technical field of sealing machines, and particularly relates to a sealing machine with a cover convenient to open and close.

Background

The sealing machine for vacuum preservation in the market at present comprises an upper cover and a base, wherein the upper cover and the base are buckled by a buckle, a fresh-keeping bag is placed in a vacuum cavity area of the sealing machine when the sealing machine is used, the upper cover and the base are buckled by forcefully pressing the upper cover by two hands, and vacuum sealing is carried out on the fresh-keeping bag by vacuumizing operation after buckling. After the work is finished, the cover opening buttons arranged on two sides of the base are respectively pressed by two hands, so that the buckling parts of the upper cover and the base are unhooked, and the upper cover can be opened only by exhausting and pressure relief. The whole process of opening and closing the cover can be realized only by carrying out series operation with both hands, and the cover closing process needs to apply enough pressure to press the upper cover and the base, so that the user experience is poor. In addition, after the mode of the buckle buckling of the upper cover and the base is used for a long time, the buckle matching part is easy to damage and easy, and the service life is difficult to guarantee.

Disclosure of Invention

The utility model provides a sealing machine capable of conveniently opening and closing a cover, which aims to solve at least one of the technical problems.

The technical scheme adopted by the utility model is as follows:

the sealing machine comprises a base and an upper cover which is rotationally connected with the base to form a cover opening position and a cover closing position, wherein the base and/or the upper cover is/are provided with a vacuum cavity, the base or the upper cover is/are provided with an air extraction opening and/or an air exhaust opening communicated with the vacuum cavity, one of the base and the upper cover is provided with a magnetic part, and the other of the base and the upper cover is provided with a matching part which is in magnetic attraction fit with the magnetic part so as to attract the upper cover to the base; the sealing machine further comprises a connecting rod rotationally connected with the upper cover, one end of the connecting rod is provided with a sealing block for opening or closing the exhaust port, and the other end of the connecting rod is connected with a supporting rod; in the cover closing position, a movement gap is formed between the support rod and the base; under the action of external force, the connecting rod rotates to enable one end of the connecting rod to lift up to drive the sealing block to lift up to realize exhaust, the other end of the connecting rod sinks to enable the supporting rod to abut against the base, and the upper cover is switched from the cover closing position to the cover opening position.

The sealing machine convenient for opening and closing the cover also comprises the following additional technical characteristics:

the sealing machine further comprises a cover opening handle fixedly connected with the connecting rod, and at least part of the cover opening handle protrudes out of the upper cover.

The top of the upper cover is inwards concavely provided with a sinking cavity matched with the cover opening handle, and in the cover closing position, a part area of the cover opening handle is positioned in the sinking cavity.

The cover opening handle is provided with a handle position with an opening facing the hinged side of the upper cover and the base, and an avoidance gap exists between the handle position and the inner wall of the upper cover, which is used for forming the sinking cavity, at the cover closing position.

The sealing machine further comprises an uncovering button positioned above the connecting rod, and the connecting rod can be driven to rotate by pressing the uncovering button so as to lift the sealing block to realize exhaust.

The sealing machine further comprises a lifting plate which is arranged adjacent to the cover opening button, wherein the lifting plate is fixedly connected with the upper cover and protrudes out of the upper cover along the transverse direction.

The left side and the right side of the upper cover are symmetrically provided with two cover opening buttons, and one cover opening button is correspondingly provided with one connecting rod.

The sealing machine further comprises an elastic resetting piece, wherein the elastic resetting piece is located below the connecting rod and sleeved on the outer side of the supporting rod, and the elastic resetting piece is used for driving the connecting rod to rotate so that the sealing block returns to a position where the sealing block is in butt joint with the exhaust port and tightly presses the exhaust port.

The magnetic piece and the matching piece are respectively arranged in the middle of the base and the middle of the upper cover, and the magnetic piece and the matching piece are respectively arranged at the hinge sides far away from the base and the upper cover.

The top of the base and/or the bottom of the upper cover is provided with a seal arranged around the vacuum chamber to close the vacuum chamber when the upper cover is closed to the base.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, the upper cover and the base are matched through magnetic attraction, and in the cover closing process, a user only needs to lightly touch or press the upper cover, and the upper cover and the base can be automatically attracted under the matching of the attraction of the upper cover and the base, so that the labor is saved, and the convenience and the rapidness are realized. Moreover, the upper cover and the base are magnetically attracted and matched, the attraction and fixation are realized by means of the acting force of a magnetic field, the upper cover can be kept at the position where the upper cover and the base are covered without being meshed between the magnetic piece and the matching piece, and mechanical damages such as abrasion and the like can not occur to the magnetic piece and the matching piece after long-time use, so that the service life of the sealing machine is prolonged, and the stability of the closing state is ensured.

In addition, when the upper cover is positioned at the cover closing position, a movement gap is formed between the support rod and the base, when the upper cover is required to be opened after the vacuumizing operation is finished, the connecting rod is driven to rotate through operation, one end of the connecting rod is lifted to lift the sealing block by virtue of the lever principle, the exhaust port is opened to release negative pressure, the connecting rod is continuously forced to rotate, the support rod is abutted against the base, when the force applied to the upper cover is larger than the magnetic attraction force between the upper cover and the base, the upper cover rotates around the base to finish the cover opening action, and the base is limited by the support rod when the cover is pressed before or at the moment of opening the cover, so that the base cannot jump up to prevent the cover from being opened.

Therefore, compared with the prior art that the upper cover and the base are fixed by the buckles, the sealing machine disclosed by the utility model has the advantages that the cover opening and closing operation is more labor-saving, the automatic suction of the upper cover and the base can be realized under the action of magnetic force without applying pressure to the upper cover in the cover closing process, the cover pressing-free cover is realized, the cover opening process, the pressure relief and the cover opening are sequentially realized, the cover opening is smooth and free from blocking, and the whole cover opening and closing operation is time-saving and labor-saving.

2. As a preferred embodiment of the utility model, the sealing machine is provided with the cover opening handle fixedly connected with the connecting rod, the switching of the upper cover from the cover opening position to the cover opening position is realized by the cooperation of the rotation connection of the connecting rod in a lifting mode, the wrist of a user only needs to rotate a small angle in the whole operation process to realize the cover opening, the action range of the whole arm is small, the ergonomics are met, the cover opening action is rapid and consistent, the cover opening can be realized without redundant operation, and the user experience is greatly pleasant.

Further, through rationalizing the setting position of uncapping handle, can also realize only setting up an uncapping handle at the upper cover, can realize uncapping through single hand operation, avoided both hands operation, promoted user experience.

Further, at least part of the area of the cover opening handle protrudes out of the upper cover to be arranged, the setting position of the cover opening handle can be clearly shown, a user can conveniently and rapidly find the position of the cover opening handle accurately, and the cover opening efficiency is improved.

3. As a preferred embodiment of the utility model, the top of the upper cover is provided with the sinking cavity for accommodating the cover opening handle, and in the cover closing position, a part of the area of the cover opening handle is sunk in the sinking cavity, so that the concealed arrangement of the part of the cover opening handle is realized, the installation and positioning of the cover opening handle are realized by utilizing the redundant space in the upper cover, the concealed part of the cover opening handle is realized, and the appearance of the upper cover is improved.

Further, the handle of uncapping has the opening orientation the upper cover with the handle position of the articulated side of base, and in closing the lid position, there is the clearance of dodging between the handle position and the inner wall that is used for constituting the heavy chamber to make things convenient for the staff to stretch into the handle position and hold open the handle of uncapping, compare in the mode that will handle the position setting in the upper portion of handle of uncapping carries out the pulling to the handle of uncapping, the area of contact of staff and handle of uncapping can be increased in the setting of handle position of uncapping in this embodiment, and the comfort of operation is better.

4. As a preferred implementation mode of the utility model, the sealing machine is provided with the cover opening button, the cover opening button is pressed to drive the connecting rod to rotate so as to realize the lifting operation of the sealing block, namely, the whole negative pressure releasing process can be realized by pressing the cover opening button, the operation convenience is higher, and the user experience is pleasant.

Further, the capper still includes the lifting board that arranges adjacent with the button of uncapping, the lifting board is along transversely protruding in the upper cover, the setting of lifting board can be used for realizing supplementary uncapping, it is adjacent with the button of uncapping to arrange, can be when the button of uncapping is pressed to the thumb realizes the exhaust, other fingers stretch to the below of lifting board to the cooperation lifting operation is accomplished the uncapping, that is to say, at the in-process of whole uncapping, the thumb can realize exhaust and uncapping in step in the mutual process of drawing close together of other four fingers, accord with ergonomic, the comfort level and the smoothness of operation are preferred, whole uncapping action is smooth and easy natural.

5. As a preferred embodiment of the utility model, the sealing machine further comprises an elastic resetting piece which is positioned below the connecting rod and sleeved on the outer side of the supporting rod, and the elastic resetting piece is used for driving the connecting rod to rotate so as to enable the sealing block to return to a position where the sealing block is in abutting sealing with the exhaust port and press the exhaust port tightly, so that the exhaust port can be still blocked by the sealing block in a non-working state, and external impurities and the like are prevented from entering the vacuum cavity through the exhaust port.

Preferably, in the closing position, the elastic reset piece applies a resisting moment to the connecting rod, so that the sealing block is kept in a state of pressing the exhaust port, the sealing performance of the exhaust port is ensured, and the smooth vacuum pumping operation is ensured.

6. As a preferred embodiment of the utility model, the top of the base and/or the bottom of the upper cover are/is provided with the sealing piece which surrounds the vacuum cavity to seal the vacuum cavity when the upper cover is covered on the base, so that the sealing performance of the vacuum cavity is ensured at the covering position, and the freshness locking effect of the vacuumized bag body is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram showing a state in which an upper cover is opened according to an embodiment of the present utility model;

FIG. 2 is a second schematic diagram illustrating a state where the upper cover is opened according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a state of cooperation between a part of the structure of the upper cover and a part of the structure of the base according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an embodiment of the present utility model with the upper cover in an open position;

FIG. 5 is a cross-sectional view of the upper cover in a closed position in accordance with one embodiment of the present utility model;

FIG. 6 is a schematic view showing a sealing machine according to another embodiment of the present utility model;

FIG. 7 is a second schematic diagram illustrating a sealing machine according to another embodiment of the present utility model;

FIG. 8 is a schematic diagram illustrating a state of cooperation between a part of the structure of the upper cover and a part of the structure of the base according to another embodiment of the present utility model;

fig. 9 is a cross-sectional view of a top cover in an opened state according to another embodiment of the present utility model;

FIG. 10 is a cross-sectional view I of an alternative embodiment of the present utility model with the upper cover in the closed position;

FIG. 11 is a second cross-sectional view of an alternative embodiment of the present utility model with the upper cover in an open position;

fig. 12 is a second cross-sectional view of the upper cover in a closed position according to another embodiment of the present utility model.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

1. the upper cover, 101, the exhaust port, 102, the sinking cavity, 103, the avoiding gap;

2. a base, 201. A vacuum chamber;

3. a magnetic member;

4. a mating member;

5. a connecting rod;

6. a sealing block;

7. a support rod;

8. cover opening handle 801. Handle position

9. A cover opening button;

10. an elastic reset piece;

11. a lifting plate;

12. a movement gap;

13. and a seal.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 12, a sealing machine capable of opening and closing a cover conveniently comprises a base 2 and an upper cover 1 rotatably connected with the base 2 to have a cover opening position and a cover closing position, wherein the base 2 and/or the upper cover 1 is provided with a vacuum cavity 201, the base 2 or the upper cover 1 is provided with an air extraction opening and/or an air exhaust opening 101 communicated with the vacuum cavity 201, one of the base 2 and the upper cover 1 is provided with a magnetic piece 3, and the other of the base 2 and the upper cover 1 is provided with a matching piece 4 which is in magnetic attraction fit with the magnetic piece 3 so as to attract the upper cover 1 to the base 2; the sealing machine further comprises a connecting rod 5 rotatably connected with the upper cover 1, one end of the connecting rod 5 is provided with a sealing block 6 for opening or closing the exhaust port 101, and the other end of the connecting rod is connected with a supporting rod 7; in the closing position, a movement gap 12 is formed between the support rod 7 and the base 2; under the action of external force, the connecting rod 5 rotates to enable one end of the connecting rod 5 to lift up to drive the sealing block 6 to lift up to realize exhaust, the other end of the connecting rod sinks to enable the supporting rod 7 to abut against the base 2, and the upper cover 1 is switched from the cover closing position to the cover opening position.

The fitting 4 is not limited, and may be a metal structure made of a substance such as iron, cobalt, nickel, or an alloy thereof that can be attracted by the magnetic member 3, or a magnetic structure itself having magnetism that is attracted and fixed to the magnetic member 3 by a principle of opposite attraction.

The connection mode of the connecting rod 5 and the sealing block 6 is not limited, and a detachable connection mode can be adopted, and an undetachable mode such as gluing, integral molding and the like can also be adopted. As a preferred embodiment of the present utility model, the cross-sectional area of the sealing block 6 is larger than the inner diameter of the exhaust port 101, so that when the sealing block 6 is pressed against the exhaust port 101, the projection of the sealing block 6 toward the exhaust port 101 can completely cover the exhaust port 101 to enhance the sealing performance at the exhaust port 101, avoiding air leakage.

The term "movement gap" in the present utility model means that in the closed position, a space is provided between the support rod 7 and the base 2 for the support rod 7 to move toward the base 2 to abut against the base 2, so as to provide a basic condition for continuous rotation of the link rod 5 to release pressure and open the cover. Specifically, after the vacuuming operation of the sealing machine is finished, the connecting rod 5 is driven to rotate by external force, one end of the connecting rod 5, which is provided with the fast seal, is lifted to enable the exhaust port 101 to be opened to finish the negative pressure release action, the connecting rod 5 is continuously driven to rotate by external force until the force applied to the upper cover 1 can overcome the magnetic attraction between the upper cover 1 and the base 2, the upper cover 1 can rotate around the hinge position of the upper cover 1 and the base 2 to realize the uncovering operation, and due to the existence of the movement space, the continuous rotation operation of the connecting rod 5 is realized, the whole uncovering process is smooth and convenient, and the user experience is good.

In a preferred embodiment of the present utility model, a vacuum pumping unit is disposed in the upper cover 1 or the base 2 and is connected to the suction port, and the vacuum chamber 201 is vacuum-pumped through the suction port.

In the utility model, the upper cover 1 and the base 2 are matched through magnetic attraction, and in the cover closing process, a user only needs to lightly touch or press the upper cover 1, and the upper cover 1 and the base 2 can be automatically attracted under the matching of the attraction of the upper cover 1 and the base 2, so that the labor is saved easily, and the convenience and the rapidness are realized. Moreover, the upper cover 1 and the base 2 are magnetically attracted and matched, the attraction and fixation are realized by the acting force of a magnetic field, the upper cover 1 can be kept at the position where the upper cover 2 is covered by the base 2 without being meshed between the magnetic piece 3 and the matched piece 4, and after the upper cover is used for a long time, the magnetic piece 3 and the matched piece 4 cannot be mechanically damaged due to abrasion and the like, so that the service life of the sealing machine is prolonged, and the stability of the closing state is ensured.

In addition, when the upper cover 1 is in the cover closing position, a movement gap 12 is formed between the support rod 7 and the base 2, when the upper cover 1 needs to be opened after the vacuumizing operation is finished, the connecting rod 5 is driven to rotate through operation, one end of the connecting rod 5 is lifted to lift the sealing block 6 by the lever principle, the exhaust port 101 is opened to release negative pressure, the connecting rod 5 is continuously forced to further rotate, the support rod 7 abuts against the base 2, when the force applied to the upper cover 1 is larger than the magnetic attraction force between the upper cover 1 and the base 2, the upper cover 1 rotates around the base 2 to finish the cover opening action, and the base 2 is limited by the pressing of the support rod 7 before or at the moment of cover opening, so that the base 2 cannot be lifted to prevent the cover opening.

Therefore, compared with the prior art that the upper cover 1 and the base 2 are fixed by the buckles, the sealing machine disclosed by the utility model has the advantages that the cover opening and closing operation is more labor-saving, the cover closing process does not need to apply pressure to the upper cover 1, the automatic suction of the upper cover 1 and the base 2 can be realized under the action of magnetic force, the cover pressing-free process is realized, the cover opening process, the pressure relief and the cover opening are sequentially realized, the cover opening is smooth and free from blocking, and the whole cover opening and closing operation is time-saving and labor-saving.

The cover opening structure for driving the connecting rod 5 to rotate is not particularly limited, and any one of the following embodiments may be adopted:

embodiment one: the sealing machine further comprises a cover opening handle 8 fixedly connected with the connecting rod 5, and at least part of the cover opening handle 8 protrudes out of the upper cover 1. According to the embodiment, the upper cover 1 is switched from the cover closing position to the cover opening position by being matched with the rotary connection of the connecting rod 5 in a lifting mode, in the whole operation process, the user wrist can open the cover only by rotating a small angle, the action range of the whole arm is small, the ergonomics is met, the cover opening action is quick and continuous, the cover opening can be realized without redundant operation, and the user experience is greatly pleasant.

The manner of fixedly connecting the lid opening handle 8 and the connecting rod 5 in this embodiment is not specifically limited: for example, the cover opening handle 8 and the connecting rod 5 are assembled in a detachable or non-detachable connection mode after being formed in a split mode; for another example, the cover opening handle 8 and the connecting rod 5 are integrally formed.

As a preferred embodiment 1 of the first embodiment, at least a part of the area of the cover opening handle 8 protrudes from the upper cover 1, so that the setting position of the cover opening handle 8 can be clearly shown, the user can find the position of the cover opening handle 8 quickly and accurately, and the cover opening efficiency is improved.

In the first embodiment, the setting positions and the setting numbers of the cover opening handles 8 are not limited, and as a preferred example 2 of the first embodiment, as shown in fig. 2 to 5, one cover opening handle 8 is arranged near the middle area of the upper cover 1, and through rationalizing the setting positions of the cover opening handles 8, the cover opening can be realized through one-hand operation, so that two-hand operation is avoided, and user experience is improved.

As a preferred example 3 of the first embodiment, as shown in fig. 2, 4 and 5, the top of the upper cover 1 is concavely provided with a sinking cavity 102 adapted to the cover-opening handle 8, and in the cover-closing position, a partial area of the cover-opening handle 8 is located inside the sinking cavity 102. The embodiment realizes the partly implicit arrangement of the cover opening handle 8, not only realizes the installation and positioning of the cover opening handle 8 by utilizing the redundant space inside the upper cover 1, but also realizes the partly implicit arrangement of the cover opening handle 8, and improves the sensory quality of consumers when observing the upper cover 1 from outside.

Embodiment 3 is not limited to the specific structural form of the lid opening handle 8, and any one of the following examples may be adopted:

example 1: the cover opening handle 8 is arranged at the top of the connecting rod 5, and the cover opening handle and the connecting rod are stacked in a vertically arranged mode. Preferably, the lid opening handle 8 is provided with a pulling portion, for example, a pull ring, etc., which is convenient for a human hand to extend to pull the lid opening handle 8.

Example 2: as shown in fig. 2, 4 and 5, the lid opening handle 8 has a handle position 801 with an opening facing the hinged side of the upper lid 1 and the base 2, and in the lid closing position, an avoidance gap 103 exists between the handle position 801 and the inner wall of the upper lid 1, which is used for forming the sinking cavity 102. In this example 2, the setting position and the forming mode of the handle 801 are not limited, and as a preferred mode, the cover opening handle 8 is integrally formed with the connecting rod 5 and is located at one end of the sealing block 6 where the connecting rod 5 is provided, and the cover opening handle 8 faces the upper cover 1 and is concavely formed at one side of the hinged side of the base 2, the cover opening handle 8 is integrally formed with the connecting rod 5, so that the structural strength of the connecting rod 5 and the cover opening handle 8 can be improved, and the handle 801 formed by the concavely is simple to process and convenient to manufacture. The existence of dodging the clearance 103 can make things convenient for the staff to stretch into the hand position 801 again in order to hold to opening lid handle 8, compares in the mode that will handle the position 801 setting is carrying out the pulling to opening lid handle 8 in the upper portion of opening lid handle 8, and the area of contact of staff and opening lid handle 8 can be increased in the setting of hand position 801 in this embodiment, and the comfort of operation is better.

It should be noted that, in the first embodiment, the structure of the lid opening handle 8 may be any one of the above-mentioned examples 1, 2, and 3 or any combination of the above-mentioned three examples.

Embodiment two: the sealing machine further comprises an uncovering button 9 positioned above the connecting rod 5, and the connecting rod 5 can be driven to rotate by pressing the uncovering button 9 so as to lift the sealing block 6 to realize air exhaust. According to the embodiment, the cover opening button 9 is pressed to drive the connecting rod 5 to rotate so as to realize lifting operation of the sealing block 6, namely, the whole negative pressure releasing process can be realized by pressing the cover opening button 9, the operation convenience is higher, and the user experience is pleasant.

As a preferred example of the second embodiment, as shown in fig. 6 to 8, the sealing machine further includes a lifting plate 11 disposed adjacent to the cap opening button 9, where the lifting plate 11 is fixedly connected to the upper cap 1 and protrudes from the upper cap 1 in a lateral direction. The setting of lifting plate 11 can be used for realizing supplementary uncapping, it is arranged adjacent with uncapping button 9, can be when the thumb presses uncapping button 9 and realizes exhausting, and other fingers stretch to the below of lifting plate 11 to the cooperation lifting operation is accomplished and is uncapped, that is to say, at the in-process of whole uncapping, the in-process that thumb and other four fingers draw close each other can realize exhausting and uncapping in step, accords with ergonomic, and the comfort level and the smoothness degree of operation are preferred, and whole uncapping action is smooth and natural.

In the second embodiment, the setting positions and the setting number of the cover opening buttons 9 are not limited: in one embodiment, a cover opening button 9 is provided near the middle area of the upper cover 1, and a connecting rod 5 is provided corresponding to the cover opening button. In another embodiment, as shown in fig. 6 to 12, two cover opening buttons 9 are symmetrically disposed on the left side and the right side of the upper cover 1, and one cover opening button 9 is correspondingly provided with one connecting rod 5. One end of a connecting rod 5 corresponds and is provided with a sealing block 6, and the other end corresponds and is provided with a bracing piece 7, and a sealing block 6 shutoff gas vent 101, therefore, in this embodiment, upper cover 1 is equipped with two gas vent 101 to can promote the negative pressure release efficiency in the vacuum cavity 201, and then promote the efficiency of uncapping. In addition, the left side and the right side of the upper cover 1 are respectively provided with the cover opening button 9, the connecting rod 5 and the lifting plate 11, the exhaust operation can be realized through pressing by two hands, and the pressing hand feeling can be better balanced, and certainly, the cover opening can be realized through not necessarily needing to operate by two hands under the condition that two cover opening buttons 9 are arranged, and the cover opening button 9 on the left side or the right side can be alternatively pressed by one hand to realize the exhaust operation and the cover opening operation.

As a preferred embodiment of the second embodiment, at least a part of the area of the cover opening button 9 protrudes from the upper cover 1, so as to clearly indicate the setting position of the cover opening button 9, so that the user can conveniently, timely, accurately and quickly press the cover opening button, and the user experience is improved.

In either of the first or second embodiments, the upper cover 1 may further be provided with a hinge seat for mounting the link 5, and the link 5 may be rotatably connected to the hinge seat through a rotation shaft.

As a preferred embodiment of the present utility model, as shown in fig. 4, 5, 11 and 12, the sealing machine further includes an elastic restoring member 10, where the elastic restoring member 10 is located below the connecting rod 5 and is sleeved on the outer side of the supporting rod 7, and the elastic restoring member 10 is used for driving the connecting rod 5 to rotate so as to restore the sealing block 6 to a position where it abuts against and seals the exhaust port 101 and compress the exhaust port 101. Therefore, in the non-working state, the exhaust port 101 can still be blocked by the sealing block 6, so that external impurities and the like are prevented from entering the vacuum cavity 201 through the exhaust port 101. That is, when the cover is opened, the connecting rod 5 rotates and one end of the connecting rod 5 moves downward to compress the elastic restoring member 10, the elastic restoring member 10 reserves elastic potential energy, and when the external force acting on the connecting rod 5 disappears, the elastic restoring member 10 releases the elastic potential energy to drive the connecting rod 5 to rotate, so as to drive the sealing block 6 to restore to a position abutting against the exhaust port 101. As a preferred example in this embodiment, in the closed position, the elastic restoring member 10 applies a resisting moment to the connecting rod 5 to keep the sealing block 6 in a state of pressing against the exhaust port 101, thereby ensuring the sealing performance at the exhaust port 101 and ensuring the smooth progress of the evacuation operation. As a preferred example of the present embodiment, as shown in fig. 4, 5, 11, and 12, the elastic restoring member 10 is a spring.

The positions of the magnetic member 3 and the mating member 4 are not limited, and as a preferred embodiment of the present utility model, as shown in fig. 3, the magnetic member 3 and the mating member 4 are respectively disposed at the middle of the base 2 and the middle of the upper cover 1, and the magnetic member 3 and the mating member 4 are respectively disposed at the hinge sides away from the base 2 and the upper cover 1. According to the embodiment, the cover closing position can be guaranteed, the upper cover 1 and the base 2 are in a stable suction state, the smooth proceeding of vacuumizing operation is guaranteed, the setting position of the cover opening handle 8 or the cover opening button 9 can be matched in the cover opening process, the cover opening hand feeling of a user is balanced, and the smoothness of the cover opening process is guaranteed. In addition, the present utility model is not limited to the number of the magnetic members 3 and the mating members 4, and as shown in fig. 3, it shows a specific example in which the upper cover 1 and the base 2 are provided with two pieces of the magnetic members 3 and the mating members 4, respectively.

As a preferred embodiment of the present utility model, as shown in fig. 1 and 7, the top of the base 2 and/or the bottom of the upper cover 1 is provided with a seal 13 arranged around the vacuum chamber 201 to close the vacuum chamber 201 when the upper cover 1 is closed to the base 2. Preferably, the seal 13 is a tampon. Through setting up sealing member 13, can promote in closing the lid position upper cover 1 with sealing performance between the base 2 guarantees the smooth operation of evacuation, promotes the bright effect of lock behind the bag body evacuation.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. The sealing machine with the cover convenient to open and close comprises a base and an upper cover which is rotationally connected with the base to have a cover opening position and a cover closing position, wherein the base and/or the upper cover is provided with a vacuum cavity, the base or the upper cover is provided with an air extraction opening and/or an air exhaust opening communicated with the vacuum cavity,

one of the base and the upper cover is provided with a magnetic part, and the other one of the base and the upper cover is provided with a matching part which is in magnetic attraction fit with the magnetic part so as to attract the upper cover to the base; the sealing machine further comprises a connecting rod rotationally connected with the upper cover, one end of the connecting rod is provided with a sealing block for opening or closing the exhaust port, and the other end of the connecting rod is connected with a supporting rod; in the cover closing position, a movement gap is formed between the support rod and the base; under the action of external force, the connecting rod rotates to enable one end of the connecting rod to lift up to drive the sealing block to lift up to realize exhaust, the other end of the connecting rod sinks to enable the supporting rod to abut against the base, and the upper cover is switched from the cover closing position to the cover opening position.

2. The sealing machine for conveniently opening and closing a cover according to claim 1, wherein,

the sealing machine further comprises a cover opening handle fixedly connected with the connecting rod, and at least part of the cover opening handle protrudes out of the upper cover.

3. The sealing machine for conveniently opening and closing a cover according to claim 2, wherein,

the top of the upper cover is inwards concavely provided with a sinking cavity matched with the cover opening handle, and in the cover closing position, a part area of the cover opening handle is positioned in the sinking cavity.

4. A sealing machine for facilitating opening and closing of a cap according to claim 3, wherein,

the cover opening handle is provided with a handle position with an opening facing the hinged side of the upper cover and the base, and an avoidance gap exists between the handle position and the inner wall of the upper cover, which is used for forming the sinking cavity, at the cover closing position.

5. The sealing machine for conveniently opening and closing a cover according to claim 1, wherein,

the sealing machine further comprises an uncovering button positioned above the connecting rod, and the connecting rod can be driven to rotate by pressing the uncovering button so as to lift the sealing block to realize exhaust.

6. The sealing machine for conveniently opening and closing a cover according to claim 5, wherein,

the sealing machine further comprises a lifting plate which is arranged adjacent to the cover opening button, wherein the lifting plate is fixedly connected with the upper cover and protrudes out of the upper cover along the transverse direction.

7. The sealing machine for conveniently opening and closing a cover according to claim 5, wherein,

the left side and the right side of the upper cover are symmetrically provided with two cover opening buttons, and one cover opening button is correspondingly provided with one connecting rod.

8. A sealing machine for facilitating opening and closing of a cap according to any one of claims 1 to 7, wherein,

the sealing machine further comprises an elastic resetting piece, wherein the elastic resetting piece is located below the connecting rod and sleeved on the outer side of the supporting rod, and the elastic resetting piece is used for driving the connecting rod to rotate so that the sealing block returns to a position where the sealing block is in butt joint with the exhaust port and tightly presses the exhaust port.

9. A sealing machine for facilitating opening and closing of a cap according to any one of claims 1 to 7, wherein,

the magnetic piece and the matching piece are respectively arranged in the middle of the base and the middle of the upper cover, and the magnetic piece and the matching piece are respectively arranged at the hinge sides far away from the base and the upper cover.

10. A sealing machine for facilitating opening and closing of a cap according to any one of claims 1 to 7, wherein,

the top of the base and/or the bottom of the upper cover is provided with a seal arranged around the vacuum chamber to close the vacuum chamber when the upper cover is closed to the base.