CN217575735U

CN217575735U - Automatic locking cover device of vacuum packaging machine

Info

Publication number: CN217575735U
Application number: CN202221400164.XU
Authority: CN
Inventors: 颜伟
Original assignee: Guangzhou Fresh World Home Appliance Co ltd
Current assignee: Guangzhou Fresh World Home Appliance Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-14
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses an automatic locking closure device of vacuum packaging machine relates to the vacuum packaging machine field. The automatic cover locking device of the vacuum packaging machine is characterized in that a lock hole is arranged on a base of the automatic cover locking device, a lock catch inserted into the lock hole when the vacuum cover is covered is arranged on the vacuum cover, a lock rod is arranged in the base, the middle part of the lock rod is hinged on the base, a lock hook capable of being inserted into the lock catch and fastened with the lock catch is arranged at one end of the lock rod, and a swing arm is arranged at the other end of the lock rod; the base is also internally provided with a driving mechanism for driving the swing arm to swing back and forth so as to realize the buckling and the separation of the lock hook and the lock catch; the driving mechanism comprises a cylinder, a vacuum pump for driving a piston rod of the cylinder to reciprocate and a push-pull rod fixedly connected with the piston rod of the cylinder, a connecting rod is arranged between the push-pull rod and the swing arm, and two ends of the connecting rod are respectively hinged with the push-pull rod and the swing arm.

Description

Automatic locking cover device of vacuum packaging machine

Technical Field

The utility model relates to a vacuum packaging machine field, in particular to automatic locking closure device of vacuum packaging machine.

Background

Vacuum packaging machines are becoming more popular, which mainly vacuumize and seal vacuum packages containing food. The vacuum packaging machine comprises a base and a vacuum cover covering the base, and heating wires for heating and sealing are arranged at the outer edges of the base and the vacuum cover. When utilizing vacuum packaging machine to pack, open the vacuum lid earlier, then put the opening of sack in the evacuation groove department on the frame, then the lid closes the vacuum lid, inserts the lock collude groove on the frame through the hasp on the vacuum lid, and the spanner on the manual lock frame drives the pivot and makes the lock collude in the pivot fixed with the hasp closure to guarantee the quality of sealing, its complex operation, user experience is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic locking closure device of vacuum packaging machine easy and simple to handle to promote user's experience and feel.

The automatic cover locking device of the vacuum packaging machine of the utility model is characterized in that a lock hole is arranged on a base, a lock catch inserted into the lock hole when the vacuum cover is covered, a lock rod is arranged in the base, the middle part of the lock rod is hinged on the base, one end of the lock rod is a lock hook capable of being inserted into the lock catch and fastened with the lock catch, and the other end of the lock rod is a swing arm; the base is also internally provided with a driving mechanism for driving the swing arm to swing back and forth so as to realize the buckling and the separation of the lock hook and the lock catch; the driving mechanism comprises an air cylinder, a vacuum pump for driving a piston rod of the air cylinder to reciprocate and a push-pull rod fixedly connected with the piston rod of the air cylinder, a connecting rod is arranged between the push-pull rod and the swing arm, and two ends of the connecting rod are respectively hinged with the push-pull rod and the swing arm.

Automatic locking closure device of vacuum packaging machine, when it inserts the lockhole with the hasp under the vacuum cover lid, start the piston rod reciprocating motion that the vacuum pump drove actuating cylinder, make push-and-pull rod push-and-pull connecting rod drive swing arm swing back and forth in order to realize latch hook and hasp lock and break away from to realize the function of automatic locking or opening the vacuum cover, its is easy and simple to handle, user experience feels good.

Drawings

Fig. 1 is a schematic structural view of the vacuum packaging machine of the present invention.

Fig. 2 is a schematic cross-sectional view of the latch hook of the vacuum packaging machine of the present invention.

Fig. 3 is a schematic view of a cross-sectional view of the vacuum packaging machine with the latch hook separated from the latch hook.

Fig. 4 is a schematic cross-sectional view of the cylinder fastening the latch hook with the latch according to the present invention.

Fig. 5 is the cross-sectional view of the cylinder separating the latch from the latch hook.

Detailed Description

An automatic cover locking device of a vacuum packaging machine is disclosed, as shown in figure 1, a lock hole (not shown) is arranged on a machine base 4, a lock catch 2 which is inserted into the lock hole when the vacuum cover 1 is covered is arranged on the vacuum cover, a lock rod 7 is arranged in the machine base, the middle part of the lock rod is hinged on the machine base 4, one end of the lock rod is a lock hook 3 which can be inserted into the lock catch and fastened with the lock catch, and the other end of the lock rod is a swing arm; a driving mechanism for driving the swing arm to swing back and forth so as to realize buckling and separation of the lock hook 3 and the lock catch 2 is also arranged in the base; the driving mechanism comprises a cylinder 5, a vacuum pump 10 for driving a piston rod of the cylinder to reciprocate, and a push-pull rod 8 fixedly connected with the piston rod of the cylinder, a connecting rod 9 is arranged between the push-pull rod 8 and the swing arm, and two ends of the connecting rod are respectively hinged with the push-pull rod 8 and the swing arm as shown in figures 2 and 3.

When the lock catch 2 is inserted into the lock hole under the cover of the vacuum machine cover 1, the vacuum pump 10 is started to drive the piston rod of the air cylinder to do reciprocating motion, so that the push-pull rod 8 pushes and pulls the connecting rod 9 to drive the swing arm to swing back and forth to lock and separate the lock hook 3 from the lock catch 2, and therefore the function of automatically locking or opening the vacuum machine cover is achieved, the operation is simple and convenient, and the user experience feeling is good.

As shown in fig. 4 and 5, a spring 12 is arranged in the cavity at one side of the cylinder 5, one end of the spring is connected with the bottom of the cylinder 5, the other end of the spring is connected with the end part of the piston, and the piston rod extends out of the cavity at the other side of the cylinder; the vacuum pump 10 is communicated with the cavity on the side where the spring is arranged through the air suction pipeline 14, the vacuum pump 10 can be started to vacuumize the cavity of the air cylinder 5, so that the piston rod compresses the spring, the push-pull rod 8 is pulled to enable the push-pull rod 8 to push-pull the connecting rod 9 to drive the swing arm to swing, and the lock hook 3 and the lock catch 2 are buckled, and the effect of automatically locking or opening the vacuum cover is achieved.

The end of the piston rod can be provided with a convex block 13, and the spring 12 is sleeved on the convex block 13, so that the function of fixing the spring can be realized, and the spring is prevented from deviating.

The suction pipeline 14 can be provided with a switch 11 for communicating the suction pipeline with the outside, the vacuum pump 10 can be started to vacuumize the cavity of the cylinder 5, after the latch hook 3 and the latch 2 are buckled, the spring can be reset when the switch 11 is opened to enable outside air to flow into the suction pipeline and then flow into the cavity of the cylinder 5, the push-pull connecting rod 9 is pushed out to drive the swing arm to swing so as to enable the latch hook 3 to be separated from the latch hook 2, the switch 11 can be an electromagnetic valve, and the outside air can be well controlled to flow into the suction pipeline through the electromagnetic valve.

The vacuum cover comprises a machine base 4, an air suction pipeline 14, a bypass branch, a switch, a three-way joint, a cylinder 5, a vacuum pump 10, a lock hole, a lock hook 3, a lock rod 7, a connecting rod 9 and a push-pull rod 8, wherein the air suction pipeline 14 is arranged on the air suction pipeline 14, the bypass branch is provided with the switch for controlling the on-off of the bypass branch, the three-way joint is arranged on the air suction pipeline, one port of the three-way joint is connected with the switch of the bypass branch through the air suction pipeline 14, the other port of the three-way joint is connected with the cylinder 5 through the air suction pipeline 14, the cylinder 5 is arranged on two sides of the machine base 4, the two sides of the machine body are respectively provided with the lock hole, the lock hook 3, the lock rod 7, the connecting rod 9 and the push-pull rod 8, and the vacuum cover 1 is provided with the two lock catches 2 which are inserted into the lock holes on the two sides of the machine body when the vacuum cover is covered, so that the vacuum cover can be better locked. At the end of the push-pull rod hinged to the connecting rod and inclined upwards, the locking rod 7 can be driven by the connecting rod to realize a larger swing amplitude in a smaller space of the base 4.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An automatic cover locking device of a vacuum packaging machine is characterized in that a machine base (4) is provided with a lock hole, a vacuum cover (1) is provided with a lock catch (2) inserted into the lock hole when the vacuum cover is closed, a lock rod (7) is arranged in the machine base, the middle part of the lock rod is hinged on the machine base (4), one end of the lock rod is a lock hook (3) capable of being inserted into the lock catch and fastened with the lock catch, and the other end of the lock rod is a swing arm; a driving mechanism for driving the swing arm to swing back and forth so as to realize buckling and separation of the lock hook (3) and the lock catch (2) is also arranged in the base; the driving mechanism comprises a cylinder (5), a vacuum pump (10) for driving a piston rod of the cylinder to reciprocate, and a push-pull rod (8) fixedly connected with the piston rod of the cylinder, a connecting rod (9) is arranged between the push-pull rod (8) and the swing arm, and two ends of the connecting rod are respectively hinged with the push-pull rod (8) and the swing arm.

2. The automatic cover locking device of the vacuum packaging machine according to claim 1, characterized in that a spring (12) is arranged in the cavity at one side of the cylinder (5), one end of the spring is connected with the bottom of the cylinder (5), the other end of the spring is connected with the end of the piston, and the piston rod extends out of the cavity at the other side of the cylinder; the vacuum pump (10) is communicated with the cavity on the side where the spring is arranged through an air suction pipeline (14).

3. The automatic cover locking device of a vacuum packing machine according to claim 2, wherein a projection (13) is provided at an end of the piston rod, and the spring (12) is fitted over the projection (13).

4. The automatic cover locking apparatus of a vacuum packing machine according to claim 3, wherein a switch (11) for communicating the suction line with the outside is provided on the suction line (14).

5. The automatic cover locking device of a vacuum packing machine according to claim 4, wherein the switch (11) is a solenoid valve.

6. The automatic cover locking device of the vacuum packaging machine according to claim 5, characterized in that the air pumping pipeline (14) is provided with a bypass branch, and the bypass branch is provided with a switch for controlling the on-off of the bypass branch and the outside.

7. The automatic lid locking apparatus for vacuum packing machine according to any one of claims 1 to 6, wherein the push-pull rod and the link rod have their hinged ends inclined upward.