CN221114533U

CN221114533U - Automatic cover plate opening and closing structure and automatic vacuum sealing machine

Info

Publication number: CN221114533U
Application number: CN202322897955.9U
Authority: CN
Inventors: 郑健; 许国勇
Original assignee: Yumyth Electronic Tech Co ltd
Current assignee: Yumyth Electronic Tech Co ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-06-11
Anticipated expiration: 2033-10-26

Abstract

The utility model belongs to the technical field of vacuum sealing machines, and particularly relates to an automatic cover plate opening and closing structure and an automatic vacuum sealing machine, comprising a machine body and a cover plate rotatably arranged on one side of the machine body, wherein a driving device for driving the cover plate to open and close is arranged in the machine body, the driving device comprises a control circuit board arranged in the machine body, a pump body mechanism electrically connected with the control circuit board and a group of cylinder push-pull mechanisms connected with the pump body mechanism, the cylinder push-pull mechanisms are symmetrically arranged in the machine body, the two cylinder push-pull mechanisms are in transmission connection with the cover plate, and the pump body mechanism pumps air or blows the cylinder push mechanisms so as to realize opening or closing of the cover plate based on the machine body; the utility model realizes the effect of automatically opening and closing the cover plate, and further completes the whole operation process of vacuum and sealing by one key, thereby freeing hands and improving the convenience of use.

Description

Automatic cover plate opening and closing structure and automatic vacuum sealing machine

Technical Field

The utility model belongs to the technical field of vacuum sealing machines, and particularly relates to an automatic cover plate opening and closing structure and an automatic vacuum sealing machine.

Background

In order to avoid deterioration of food due to long-term exposure to air, fresh-keeping bags are currently used for wrapping food to achieve a safety effect. However, air still exists in the fresh-keeping bag when the fresh-keeping bag is wrapped, so that vacuum sealing machines are arranged on the market, and the vacuum sealing machines, including household and industrial use, can achieve the effect of extracting vacuum from the fresh-keeping bag.

The utility model patent application with the application publication number of CN108820308A discloses a vacuum sealing machine and a sealing method thereof, and the vacuum sealing machine comprises a base and a cover plate hinged on the base, wherein a concave cavity is formed in the base, a vacuum pump and a first circuit board are arranged in the base, an air suction hole is formed in the concave cavity, the vacuum pump is communicated with the air suction hole of the concave cavity through a pipeline, and an electric heating wire is arranged outside the concave cavity.

The base and the cover plate are fixed through the locking device, and after the air suction and sealing are finished, the male buckle is required to be manually released by a user, so that the male buckle is separated from the female buckle, and then the cover plate is opened. And the vacuum sealing on the market generally needs the user to manually press the buckle to open the cover plate, so that the operation is inconvenient, and the use experience of the user needs to be improved.

Disclosure of utility model

The utility model aims to provide an automatic cover plate opening and closing structure and an automatic vacuum sealing machine, and aims to solve the technical problems that in the prior art, a user is generally required to manually press a buckle to open a cover plate, the operation is inconvenient, and the use experience of the user is to be improved.

In order to achieve the above purpose, the embodiment of the utility model provides an automatic cover plate opening and closing structure, which comprises a machine body and a cover plate rotatably installed on one side of the machine body, wherein a driving device for driving the cover plate to open and close is arranged in the machine body, the driving device comprises a control circuit board arranged in the machine body, a pump body mechanism electrically connected with the control circuit board and a group of cylinder push-pull mechanisms connected with the pump body mechanism, the cylinder push-pull mechanisms are symmetrically arranged in the machine body, two cylinder push-pull mechanisms are in transmission connection with the cover plate, and the pump body mechanism pumps air or blows air to the cylinder push-pull mechanisms so as to realize that the cylinder push-pull mechanisms drive the cover plate to open or close based on the machine body.

Optionally, the pump body mechanism includes with control circuit board electric connection's positive/negative pressure pump, the trachea of positive/negative pressure pump is connected with the three-way valve, the trachea of three-way valve is connected with the cross connection, the cross connection is connected with the exhaust tube, the exhaust tube respectively with two cylinder push-pull mechanism is connected.

Optionally, the cylinder push-pull mechanism includes with the cylinder casing that the exhaust tube is connected with cylinder casing one side is connected with the fixed cap of cylinder, sliding connection has the piston in the cylinder casing, fixedly connected with connecting rod in the piston, the connecting rod is kept away from piston one end integrated into one piece has the push plate that has a movable port.

Optionally, a fixed hole is formed in the cylinder fixing casing cover, the bottom of the connecting rod penetrates through the fixed hole and is fixedly connected with the pushing plate, and one end, away from the cylinder fixing casing cover, of the pushing plate is in sliding connection with the cover plate.

Optionally, a latch hook is extended downwards from the left end and the right end of the bottom surface of the cover plate, the latch hook and the cover plate are integrally formed, one end of the latch hook away from the cover plate is connected with a shaft sleeve, a sliding groove is formed in the pushing plate, when the cylinder push-pull mechanism works, the piston is pushed out or pulled back by positive/negative pressure pump air pressure, and the piston is pushed out or pulled back by the cylinder shell to realize the action of pushing out or pulling back by the pushing plate on the piston, so that the latch hook and the shaft sleeve are forced to slide in the groove position of the sliding groove.

Optionally, the piston surface cover be equipped with cylinder casing inside wall sliding connection's sealing washer, the sealing washer is made by silica gel.

Optionally, the cylinder housing is provided with a gas inlet and outlet connector, the gas inlet and outlet connector is communicated with the cylinder housing, and the gas inlet and outlet connector is connected with the exhaust pipe.

Optionally, the driving device further comprises a group of installation seats connected with the machine body, two installation seats are arranged in parallel, a transmission plate is connected to the installation seats in a rotating mode, and one end, away from the installation seats, of the transmission plate is connected with the cover plate.

An automatic vacuum sealing machine comprises the automatic cover plate opening and closing structure.

The automatic cover plate opening and closing structure and the one or more technical schemes in the automatic vacuum sealing machine provided by the embodiment of the utility model have at least one of the following technical effects:

According to the automatic cover plate opening and closing structure and the automatic vacuum sealing machine, through the cooperation among the control circuit board, the pump body mechanism and the cylinder push-pull mechanisms, the pump body mechanism is used for providing power for the two cylinder push-pull mechanisms, and the pump body mechanism is used for exhausting or blowing air to the cylinder push-pull mechanisms, so that the cylinder push mechanism drives the cover plate to open or close based on the machine body, the effect of automatically opening and closing the cover plate is achieved, the whole operation process of vacuum and sealing is completed by one key, two hands are liberated, and convenience in use is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an overall structure of an automatic cover plate opening and closing structure and an automatic vacuum sealing machine according to an embodiment of the present utility model;

Fig. 2 is a schematic perspective view of an automatic cover plate opening and closing structure according to an embodiment of the present utility model;

Fig. 3 is a top view of an automatic cover plate opening and closing structure according to an embodiment of the present utility model;

Fig. 4 is a schematic diagram of a cover plate closing state of an automatic cover plate opening and closing structure according to an embodiment of the present utility model;

Fig. 5 is a schematic diagram of an open state structure of a cover plate with an automatic cover plate opening and closing structure according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. Body of machine

20. A cover plate; 200. a latch hook; 201. a shaft sleeve; 202. sliding chute

30. A driving device; 300. a control circuit board; 310. a pump body mechanism; 311. positive/negative pressure pump; 312. a three-way valve; 313. a four-way joint; 314. an exhaust pipe; 315. a pressure switch; 320. a cylinder push-pull mechanism; 321. a cylinder housing; 322. gas inlet and outlet connectors; 323. a fixing hole; 324. a piston; 325. a connecting rod; 326. a pushing plate; 327. sealing ring

40. A mounting base; 41. transmission plate

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; 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 embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1-3, an automatic cover plate opening and closing structure is provided, including a machine body 10 and a cover plate 20 rotatably installed on one side of the machine body 10, a driving device 30 for driving the cover plate 20 to open and close is provided in the machine body 10, the driving device 30 includes a control circuit board 300 provided in the machine body 10, a pump body mechanism 310 electrically connected with the control circuit board 300, and a set of air cylinder push-pull mechanisms 320 connected with the pump body mechanism 310, the air cylinder push-pull mechanisms 320 are symmetrically provided in the machine body 10, and both the air cylinder push-pull mechanisms 320 are in transmission connection with the cover plate 20, and the pump body mechanism 310 pumps air or blows the air cylinder push-pull mechanisms 320 to realize that the air cylinder push-pull mechanisms 320 drive the cover plate 20 to open or close based on the machine body 10. Through control circuit board 300 pump body mechanism 310 and cooperation between the cylinder push-and-pull mechanism 320, pump body mechanism 310 is used for two cylinder push-and-pull mechanism 320 provides power, through pump body mechanism 310 is right cylinder push-and-pull mechanism 320 is taken out air or is blown, and then realizes cylinder push-and-pull mechanism 320 drive apron 20 is based on organism 10 opens or closes to realized automatic opening and shutting apron 20's effect, and then the operation process of whole vacuum, seal is accomplished to a key, and then liberates both hands, has improved the convenience of using.

In another embodiment of the present utility model, as shown in fig. 4, the pump body mechanism 310 includes a positive/negative pressure pump 311 electrically connected to the control circuit board 300, an air pipe of the positive/negative pressure pump 311 is connected to a three-way valve 312, an air pipe of the three-way valve 312 is connected to a four-way joint 313, the four-way joint 313 is connected to an air extraction pipe 314, and the air extraction pipes 314 are respectively connected to the air cylinder push-pull mechanism 320. When the cover plate 20 needs to be opened or closed, the positive/negative pressure pump 311 acts, and the three-way valve 312 is opened, air in the positive/negative pressure pump 311 is directly sent into the cylinder push-pull mechanism 320 through the air extraction pipe 314 after passing through the three-way valve 312, and the cylinder push-pull mechanism 320 drives the cover plate 20 to be opened or closed based on the machine body 10, so that the automatic opening and closing effect of the cover plate 20 is realized.

In this embodiment, the three-way valve 312 is communicated with the positive/negative pressure pump 311 through the four-way joint 313, that is, when the positive/negative pressure pump 311 pumps or blows air each time, the four-way joint 313 synchronously pumps or blows air to the air cylinder push-pull mechanism 320, so that it is beneficial to ensure that the two air cylinder push-pull mechanisms 320 pump or blow air consistently, and thus ensure that the two sides of the cover 20 are kept synchronously opened.

In another embodiment of the present utility model, as shown in fig. 4-5, the cylinder push-pull mechanism 320 includes a cylinder housing 321 connected to the air suction pipe 314, a piston 324 is slidably connected to the cylinder housing 321, the cylinder housing 321 in this embodiment is a cylinder, a connecting rod 325 is fixedly connected to the piston 324, one end of the connecting rod 325 away from the piston 324 is integrally formed with a pushing plate 326 having a movable opening, the piston 324 abuts against an inner sidewall of the cylinder housing 321 and separates the interior of the cylinder housing 321 into two spaces, a fixing hole 323 is formed in the cylinder housing 321, a bottom of the connecting rod 325 passes through the fixing hole 323 and is fixedly connected to the pushing plate 326, and one end of the pushing plate 326 away from the cylinder housing 321 is rotatably connected to the cover 20. When the cover plate 20 needs to be closed, the positive/negative pressure pump 311 acts, and air in the positive/negative pressure pump 311 is directly sent into the cylinder shell 321 through the air suction pipe 314, so that the air pressure in the cylinder shell 321 is gradually increased, the pushing plate 326 is pushed to move rightwards, the piston 324 is driven by pressure difference to drive the connecting rod 325 to protrude out of the cylinder shell 321, the shaft sleeve 201 slides to the bottom of the sliding groove 202, and the cover plate 20 is driven to be closed based on the machine body 10; when the cover plate 20 needs to be opened, the three-way valve 312 is controlled to be opened, the three-way valve 312 pumps out the air in the air pumping pipe 314, so that the air pressure in the air cylinder shell 321 is smaller than the external atmospheric pressure, the piston 324 moves leftwards under the action of the pressure difference between the inside and the outside of the air cylinder shell 321, so as to drive the pushing plate 326 to move leftwards, and the piston 324 is driven by the pressure difference to drive the connecting rod 325 to protrude and pull back into the air cylinder shell 321, so that the shaft sleeve 201 slides to the opening of the sliding groove 202, and the cover plate 20 is opened based on the machine body 10.

In this embodiment, a sealing ring 327 slidably connected with the inner side wall of the cylinder housing 321 is sleeved on the outer surface of the piston 324, and the sealing ring 327 is made of silica gel. Through the setting of sealing washer 327, the sealing washer 327 is used for making the inside airtight space that forms of cylinder casing 321 avoids this space to contact with the external world and leads to the gas leakage, thereby has guaranteed cylinder casing 321 can keep stable under the effect of inside and outside pressure differential, makes cylinder casing 321 can not leak gas. Preferably, the sealing ring 327 is made of silica gel, so that friction between the sealing ring 327 and the cylinder housing 321 can be reduced while tightness of the cylinder housing 321 is ensured.

In this embodiment, the cylinder housing 321 is provided with a gas inlet/outlet connection port 322, the gas inlet/outlet connection port 322 is connected to the cylinder housing 321, and the gas inlet/outlet connection port 322 is connected to the exhaust pipe 314. The gas of the exhaust pipe 314 enters the cylinder housing 321 through the gas inlet and outlet connection port 322.

In this embodiment, as shown in fig. 4-5, a latch hook 200 extends downward from the left and right ends of the bottom surface of the cover 20, the latch hook 200 is integrally formed with the cover 20, one end of the latch hook 200, which is far away from the cover 20, is connected with a sleeve 201, a chute 202 is formed on the push plate 326, and when the cylinder push-pull mechanism 320 works, the piston 324 is pushed out or pulled back by the air pressure of the positive/negative pressure pump 311, so that the pushing out or pulling back of the connecting rod 325 on the piston 324 by the cylinder housing 321 forces the latch hook 200 and the sleeve 201 to slide in the slot of the chute 202. The two latch hooks 200 at the left and right ends respectively correspond to one of the cylinder push-pull mechanisms 320, so that the two ends of the cover plate 20 are stressed uniformly, and when the cover plate 20 is opened or closed, the push plate 326 slides through the shaft sleeve 201, so that the two sides of the bottom of the cover plate 20 can be jacked or pulled back at the same time, and the cover plate 20 can be opened or closed in a balanced manner.

Specifically, when the cover 20 needs to be closed, when the air is blown into the cylinder housing 321 through the air inlet and outlet connection port 322, the piston 324 drives the connecting rod 325 to extend, and further drives the pushing plate 326 to extend, at this time, the shaft sleeve 201 forcibly slides to the bottom end of the sliding groove 202 of the pushing plate 326, so that the cover 20 covers the machine body 10; when the cover plate 20 needs to be opened, the air in the cylinder housing is pumped through the air inlet and outlet connection port 322, and the piston 324 drives the connecting rod 325 to retract, the shaft sleeve 201 is forced to slide on the top end of the slot of the pushing plate 326 in the sliding slot 202, and the cover plate is pushed open around the shaft on the mounting seat 40, so that the cover plate 20 is opened based on the machine body 10.

In this embodiment, as shown in fig. 2-4, the driving device 30 further includes a set of mounting seats 40 connected to the machine body 10, two mounting seats 40 are disposed in parallel, a driving plate 41 is rotatably connected to the mounting seats 40, and one end of the driving plate 41 away from the mounting seats 40 is connected to the cover plate 20. When the cover 20 is opened or closed, the driving plate 41 rotates along the mounting seat 40, and the driving plate 41 can jack up or pull back the two sides of the bottom of the cover 20 at the same time, which is beneficial to ensuring that the cover 20 can be opened or closed in a balanced manner.

The utility model also provides a true automatic vacuum sealing machine, which comprises the cover plate 20 automatic opening and closing structure. In this embodiment, an air suction vacuum pump for sucking air in the machine body 10 and a sealing mechanism for sealing the packaging bag are further disposed in the machine body 10. After the air in the packaging bag is exhausted to the outside through the air exhaust vacuum pump, the packaging bag is sealed through the sealing mechanism, so that the vacuum sealing action of the packaging bag is completed once. The structure and principle of the air extraction vacuum pump and the sealing mechanism adopted by the utility model are the same as those of the air extraction vacuum pump and the sealing mechanism adopted in the prior art, and the description is omitted here.

According to the cover plate automatic opening and closing structure and the automatic vacuum sealing machine provided by the embodiment of the utility model, when the cover plate 20 of the vacuum sealing machine is in a closed state in use, the bottom of the side surface of the cover plate 20 is in abutting fit with the side surface of the machine body 10. When the cover plate 20 needs to be opened, the three-way valve 312 is controlled to be opened, the three-way valve 312 pumps out the air in the air pumping pipe 314, so that the air pressure in the air cylinder shell 321 is smaller than the external atmospheric pressure, the piston 324 moves leftwards under the action of the pressure difference between the inside and outside of the air cylinder shell 321, so as to drive the pushing plate 326 to move leftwards, and the piston 324 is driven by the pressure difference to drive the connecting rod 325 to protrude and pull back into the air cylinder shell 321, so that the shaft sleeve 201 slides to the opening of the sliding groove 202, and the cover plate 20 is opened based on the machine body 10; when the cover plate 20 needs to be closed, the positive/negative pressure pump 311 acts, and air in the positive/negative pressure pump 311 is directly sent into the cylinder housing 321 through the air suction pipe 314, so that the air pressure in the cylinder housing 321 is gradually increased, thereby pushing the pushing plate 326 to move rightwards, driving the piston 324 to drive the connecting rod 325 to protrude out of the cylinder housing 321 through the pressure difference, so that the shaft sleeve 201 slides to the bottom of the sliding groove 202, and further driving the cover plate 20 to be closed based on the machine body 10. The utility model realizes the effect of automatically opening and closing the cover plate 20, further completes the whole operation process of vacuum and sealing by one key, further liberates both hands and improves the convenience of use.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an automatic structure that opens and shuts of apron, its characterized in that, including organism (10), rotatory install in apron (20) of organism (10) one side, be provided with in organism (10) and be used for the drive arrangement (30) that apron (20) opened and shut, drive arrangement (30) including set up in control circuit board (300) in organism (10), with control circuit board (300) electric connection's pump body mechanism (310) and with a set of cylinder push-pull mechanism (320) that pump body mechanism (310) are connected, cylinder push-pull mechanism (320) symmetry set up in organism (10) and two cylinder push-pull mechanism (320) all with apron (20) transmission connection, pump body mechanism (310) are right cylinder push-pull mechanism (320) are taken out or are blown and are realized cylinder push-pull mechanism (320) drive apron (20) are based on organism (10) are opened or are closed.

2. The automatic cover plate opening and closing structure according to claim 1, wherein the pump body mechanism (310) comprises a positive/negative pressure pump (311) electrically connected with the control circuit board (300), an air pipe of the positive/negative pressure pump (311) is connected with a three-way valve (312), an air pipe of the three-way valve (312) is connected with a four-way joint (313), the four-way joint (313) is connected with an air extraction pipe (314), and the air extraction pipe (314) is respectively connected with two air cylinder push-pull mechanisms (320).

3. The automatic cover plate opening and closing structure according to claim 2, wherein the cylinder push-pull mechanism (320) comprises a cylinder housing (321) connected with the exhaust pipe (314), a piston (324) is slidably connected in the cylinder housing (321), a connecting rod (325) is fixedly connected in the piston (324), and a pushing plate (326) with a movable opening is integrally formed at one end, far away from the piston (324), of the connecting rod (325).

4. The automatic cover plate opening and closing structure according to claim 3, wherein a fixing hole (323) is formed in the cylinder housing (321), the bottom of the connecting rod (325) passes through the fixing hole (323) and is fixedly connected with the pushing plate (326), and one end of the pushing plate (326) away from the cylinder housing (321) is slidably connected with the cover plate (20).

5. The automatic cover plate opening and closing structure according to claim 4, wherein a lock hook (200) is extended downwards from the left end and the right end of the bottom surface of the cover plate (20), the lock hook (200) and the cover plate (20) are integrally formed, one end, far away from the cover plate (20), of the lock hook (200) is connected with a shaft sleeve (201), a sliding groove (202) is formed in a pushing plate (326), when the cylinder push-pull mechanism (320) works, the piston (324) is pushed or pulled back by the air pressure of the positive/negative pressure pump (311), so that the connecting rod (325) on the piston (324) and the pushing plate (326) push or pull back are pushed, and the lock hook (200) and the shaft sleeve (201) are forced to slide in the groove position of the sliding groove (202).

6. The automatic cover plate opening and closing structure according to claim 5, wherein a sealing ring (327) which is slidably connected with the inner side wall of the cylinder housing (321) is sleeved on the outer surface of the piston (324), and the sealing ring (327) is made of silica gel.

7. The automatic cover plate opening and closing structure according to claim 6, wherein the cylinder housing (321) is provided with a gas inlet and outlet connection port (322), the gas inlet and outlet connection port (322) is communicated with the cylinder housing (321), and the gas inlet and outlet connection port (322) is connected with the exhaust pipe (314).

8. The automatic cover plate opening and closing structure according to any one of claims 1 to 7, wherein the driving device (30) further comprises a set of mounting seats (40) connected with the machine body (10), the two mounting seats (40) are arranged in parallel, a transmission plate (41) is rotatably connected to the mounting seats (40), and one end, far away from the mounting seats (40), of the transmission plate (41) is connected with the cover plate (20).

9. An automatic vacuum sealer, comprising the automatic cover plate opening and closing structure according to any one of claims 1 to 8.