CN114671070B - Food bag sealing device and use method thereof - Google Patents
Food bag sealing device and use method thereof Download PDFInfo
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- CN114671070B CN114671070B CN202210206808.XA CN202210206808A CN114671070B CN 114671070 B CN114671070 B CN 114671070B CN 202210206808 A CN202210206808 A CN 202210206808A CN 114671070 B CN114671070 B CN 114671070B
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- valve
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- 235000013305 food Nutrition 0.000 title claims abstract description 93
- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 3
- 230000029058 respiratory gaseous exchange Effects 0.000 claims 3
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 7
- 238000009461 vacuum packaging Methods 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002085 irritant Substances 0.000 description 2
- 231100000021 irritant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009474 hot melt extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
Abstract
The invention discloses a food bag sealing device and a use method thereof, wherein the food bag sealing device comprises a clamp body, the clamp body is fixedly connected with a handle, the clamp body is rotationally connected with a first rotating shaft, the clamp body can be opened and closed around the first rotating shaft, a cavity is arranged in the clamp body, an elastic film is connected in the cavity, the clamp body is connected with an air suction pipe and an adsorption pipe, the adsorption pipe penetrates through the cavity, one end of the air suction pipe is fixedly connected with one end of the adsorption pipe, the other end of the air suction pipe is connected with an air suction device, when the food bag sealing device is used, the end of the adsorption pipe is inserted into the food bag and is used for sucking air, the film elastically deforms in the air suction process to squeeze and cover an opening of the food bag, and the air suction device is an independent mechanism and can be installed and separated from the clamp body; the invention can seal food bags of different materials and different sizes, and is provided with three sealing structures, the secondary sealing of the food bags has good sealing effect, and the original food package and the original package opening can not be damaged when in use, thus realizing the recycling of the original package and the opening.
Description
Technical Field
The invention belongs to the technical field of package sealing, and particularly relates to a food bag sealing device and a method.
Background
Along with the development of economy and the improvement of the living standard of people, the requirements of people on storage resistance and fresh keeping of foods are higher and higher; at present, the food preservation means mainly comprise two preservation modes of low-temperature preservation and vacuum packaging preservation, and the vacuum packaging preservation is widely used because the vacuum packaging preservation has no special requirement on the ambient temperature, long preservation time, easy carrying and convenient eating; vacuum food bag packaging is one of the primary ways of vacuum packaging.
However, the current vacuum packaging device and method of vacuum packaging have the following disadvantages:
1. the current vacuum packaging devices are generally applied in factories, the size of the devices is generally larger, and the vacuum is pumped to the packaging by the devices: a sealed cavity is arranged in the equipment, food is put into the cavity after being filled into a food bag, and air in the cavity is completely discharged, so that the operation of vacuumizing the package is completed; the size of the cavity is fixed, so that the packaging equipment has limitation on the size of the food bag, can not meet the sealing requirements of the food bags with different sizes, and has weak practicability.
2. The existing vacuum food bags are generally disposable, after the seal is opened, the food bags lose the function of vacuum preservation, and the food bags cannot be sealed by themselves in a secondary vacuum.
3. Most of the current vacuum food bag seals are made by heat sealing, and the packaging materials at the sealing position are extruded after being heated and melted, so that the packaging materials at the sealing position are bonded together; the sealing mode has certain requirements on the packaging material (namely, the sealing mode can be adopted for sealing), and the sealing is disposable, so that the sealing and the packaging are required to be irreparably damaged when being opened again.
4. The conventional method for vacuumizing the food bag in the family is to manually squeeze out the air in the bag after the bag opening is closed, so that all the air in the bag cannot be effectively discharged, and the vacuumizing purpose cannot be achieved.
Therefore, in order to conveniently and effectively preserve food in vacuum, only the improvement of the food bag sealing device and the method can effectively solve the problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a food bag sealing device and a method, which can ensure that food bags with different materials and different sizes are sealed in vacuum; the sealing method can not damage the food bag and the original opening, so that the food bag and the original opening can be reused; when the package is sealed secondarily, the air in the belt can be conveniently emptied, and the sealing device can be adapted to package openings with different lengths.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides a food bag sealing device which comprises a clamp body, wherein the clamp body is fixedly connected with a handle, the clamp body is rotationally connected with a first rotating shaft, the clamp body is symmetrically arranged on two sides of the first rotating shaft, the clamp body is connected with an air suction pipe, the air suction pipe is connected with an air suction device, the clamp body is provided with a cavity, an elastic film is connected in the cavity, the cavity is sequentially divided into a first sub-cavity, a second sub-cavity and a third sub-cavity from left to right by the elastic film, the side walls of the first sub-cavity and the third sub-cavity are connected with vent holes, the second sub-cavity is connected with an adsorption pipe, the upper end of the adsorption pipe is fixedly connected with the air suction pipe, the adsorption pipe penetrates through the second sub-cavity, and the lower end of the adsorption pipe is arranged on the outer side of the clamp body.
Preferably, in the initial state, the clamp body is closed, the cavity is closed, the air pressure in the first sub-cavity, the air pressure in the second sub-cavity and the air pressure in the third sub-cavity are the same, and the elastic film does not deform.
Preferably, the adsorption tube is further provided with an air suction hole at a part of the second sub-cavity, and the second sub-cavity is communicated with the adsorption tube through the air suction hole.
Preferably, the end part of the air suction pipe is fixedly connected with a valve, the valve is slidably connected with a knob, the valve is provided with a pipeline, the valve is provided with a valve cavity, the pipeline is arranged on two sides of the valve cavity, the pipeline is connected with the valve cavity, the right side of the valve cavity is fixedly connected with a reset device, the reset device is fixedly connected with a ball, and the ball is in sliding contact with the valve cavity.
Preferably, in the initial state, the knob is lifted, the ball is positioned at the left side of the valve cavity, and the valve is closed.
Preferably, the air extractor is fixedly connected with a power box, the power box is in sliding connection with a piston rod arranged in the vertical direction, the bottom end of the piston rod is fixedly connected with a piston, the piston is in sliding connection with the inner wall of the air extractor, the air extractor and the piston form an air extraction space, the air extraction space is provided with an air outlet and an air inlet, an air inlet one-way valve is arranged in the air inlet, an air outlet one-way valve is arranged in the air outlet, and the air inlet is communicated with the air outlet interface; the power box is rotationally connected with a driving wheel through a second rotating shaft, driven wheels are symmetrically meshed with two sides of the driving wheel, and the driven wheels are rotationally connected with the power box; each driven wheel is coaxially connected with a half gear, racks are arranged on two sides of the piston rod, and the racks are meshed with the half gears; when the half gear positioned at one side of the piston rod is meshed with the rack of the piston rod, the half gear positioned at the other side is not meshed with the rack of the piston rod; one end of the second rotating shaft penetrates out of the power box and is connected with a handle, and the handle is connected with an operating handle.
The invention also provides a using method of the food bag sealing device, which adopts the food bag sealing device and comprises the following steps:
when the food bag is required to be sealed and stored, the opening is tidied and leveled, the handle is adjusted, the clamp body rotates around the first rotating shaft, the clamp body is opened, the cavity is opened, the end part of the adsorption pipe is inserted into the food bag through the opening, the opening is placed into the second sub-cavity, the handle is adjusted to close the clamp body, the cavity is closed, the clamp body extrudes the food bag, and the first sealing operation is completed;
the air extractor is connected to the air exhaust interface to start exhausting, the air in the food bag is exhausted through the adsorption tube, the vacuumizing operation in the food bag is realized, the adsorption tube is communicated with the second sub-cavity through the air suction hole,
in the process of exhausting the air in the food bag, the air in the second sub-cavity is exhausted together, the air pressure in the second sub-cavity is reduced, the volume is reduced, the external air enters the first sub-space and the third sub-space through the air holes, the volumes of the first sub-space and the third sub-space are increased, the elastic film deforms, the elastic film is extruded to cover the opening of the food bag, and the second sealing operation is completed;
after the air is exhausted, the ball returns to the left side of the valve cavity under the action of the resetting device, the pipeline is blocked, the valve is closed, and the third sealing operation is completed.
Preferably, the knob is pressed down to jack the ball, the valve is opened, and the third seal is released; outside air enters the cavity through the valve, the elastic film does not squeeze and cover the opening of the food bag any more, and the second seal is released; outside air enters the food bag, the food bag is not in a vacuum state any more, the clamp body is opened, the cavity is also opened, the clamp body does not squeeze the food bag any more, and the first seal is released.
Preferably, when the air extraction device is operated, the operation handle is rocked to drive the driving wheel to rotate, the driving wheel drives the driven wheels on two sides to rotate, the driven wheels on two sides drive the semi-gears connected with each other to rotate, when one semi-gear drives the piston rod to ascend, the volume of the air extraction space is increased, the air inlet is opened, the air outlet is closed, air in the food bag and the second sub-cavity is extracted into the air extraction space, when the other semi-gear drives the piston rod to descend, the volume of the air extraction space is reduced, the air pressure is increased, the air inlet is closed, the air outlet is opened, and the air in the air extraction space is discharged.
As described above, the food bag sealing device and method of the present invention have the following advantageous effects:
1. the invention is suitable for vacuum sealing of the food bag with one part being opened (namely the opening) and the other part being closed, and is different from the traditional hot melt extrusion sealing mode, the invention adopts an air pressure sealing method and has no requirement on the material of the food bag; because the operations such as heating and burning are not needed to be carried out on the package, toxic, harmful and irritant substances are not generated in the use process, and food is not polluted, the package is clean and sanitary; the whole sealing device is provided with three seals for multiple sealing the opening, so that the sealing effect is good; the three seals are all completed by the structure of the clamp body, so that the original package and the opening cannot be damaged, and the original food package and the opening can be repeatedly used for a plurality of times, thereby being convenient and economical. Has high popularization value.
2. When the food bag is required to be taken out of the clamp body, the valve is only required to be opened, so that air enters the cavity and the food bag, the elastic film in the cavity is restored, and the third seal and the second seal are released; the clamp body is opened, the first seal is released, and the food bag can be taken out conveniently and rapidly.
3. The air exhaust device can rapidly and conveniently exhaust air, the handle of the air exhaust device drives the driving wheel to rotate, the driving wheel drives the driven wheels on two sides to rotate, one half gear drives the piston rod to ascend, and the other half gear drives the piston rod to descend, so that the reciprocating motion of the piston rod can be realized only by rotating the driving wheel towards one direction, the quantity of exhaust of each time is accurately controlled, and the handle only needs to rotate towards one direction, so that the exhaust work is also facilitated.
4. The length of the clamp body is optional, the clamp body can be matched with packaging openings with different lengths, the air extractor and the clamp body are separated, and one air extractor can be matched with a plurality of clamp bodies, so that the clamp has good adaptability and economy.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a typical food bag and an open schematic;
FIG. 2 is a schematic view of the structure of the clip according to the present invention (when the clip is closed and not placed in a food bag);
FIG. 3 is a schematic view showing the structure of the clip body (when the clip body is opened and placed in a food bag) according to the present invention;
FIG. 4 is a schematic view of the structure of the clamp of the present invention (with the clamp closed and the bag evacuated);
FIG. 5 is a schematic view of the whole of the present invention;
FIG. 6 is a schematic view of the valve according to the present invention (closed state);
FIG. 7 is a schematic view of the valve according to the present invention (open state);
FIG. 8 is a schematic diagram of an air extractor according to the present invention;
FIG. 9 is a schematic diagram of a power box with an air extraction structure according to the present invention;
FIG. 10 is a schematic view of the attachment of the operating handle and the handgrip of the suction structure of the present invention;
reference numerals illustrate:
1 a food bag, 2 openings, 3 handles, 4 a first rotating shaft, 5 a clamp body, 6 an air suction pipe, 7 an air suction hole, 8 an elastic film, 9 a sealing gasket, 10 an adsorption pipe, 11 an air vent, 12 a plugging device, 13 a valve, 14 a knob, 15 an air discharge interface, 16 an air suction device, 17 a power box, 18 a piston rod, 19 a piston, 20 an air suction space, 21 an air outlet, 22 an air inlet, 23 a half gear, 24 a second rotating shaft, 25 a handle, 26 an operating handle, 27 a driving wheel, 28 a driven wheel, 29 a resetting device, 30 a cavity, 31 a pipeline and 32 a valve cavity.
Detailed Description
Embodiments of the present invention 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 illustrative only and are not to be construed as limiting the invention.
1-10, this embodiment provides a food bag sealing device, which includes a clamp body 5, the clamp body 5 is fixedly connected with a handle 3, the clamp body 5 is rotationally connected with a first rotating shaft 4, the clamp body 5 and the handle 3 are symmetrically arranged at two sides of the first rotating shaft 4, two symmetrical constituent units of the clamp body 5 can rotate around the first rotating shaft 4, and the clamp body 5 can be opened and closed by operating the handle 3; the two symmetrical constituent units of the clamp body 5 are symmetrical in shape, the middle is concave, a closed cavity is formed in the middle when the two units are closed, namely, a cavity 30 is formed, the two constituent units are separated when the clamp body is opened, the cavity 30 is opened, the two constituent units are closed when the clamp body is closed, the cavity 30 is closed, and the clamp body 5 is normally in a closed state.
The blocking devices 12 are arranged on the two sides of the cavity 30 of the clamp body 5, the blocking devices 12 are made of elastic sealing materials, and when the clamp body 5 is in a closed state, the blocking devices 12 are tightly attached to the outer wall of the air suction pipe 6, so that the sealing effect of the clamp body 5 is ensured; the cavity 30 is internally provided with at least two elastic films 8, at least one elastic film 8 is arranged symmetrically, and the elastic films 8 can deform; the interior of the cavity 30 is divided into three independent sub-cavities by the elastic film 8, and the three sub-cavities are sequentially divided into a first sub-cavity, a second sub-cavity and a third sub-cavity from left to right, the side walls of the first sub-cavity and the third sub-cavity are connected with vent holes 11, and air can only enter and exit the first sub-cavity and the third sub-cavity through the vent holes 11; the second sub-cavity is the same as the opening of the cavity 30, when the cavity 30 is opened, the second sub-cavity is simultaneously opened, when the cavity 30 is closed, the second sub-cavity is simultaneously closed, after the second sub-cavity is closed, air cannot enter and exit the second sub-cavity through the opening, the second sub-cavity is also connected with an adsorption pipe 10, the adsorption pipe 10 passes through the second sub-cavity, the lower end of the adsorption pipe 10 is arranged at the outer side of the clamp body 5, an air suction hole 7 is arranged on part of the side wall of the adsorption pipe 10 in the second sub-cavity, and after the second sub-cavity is closed, the air can only enter and exit the second sub-cavity through the air suction hole 7; the clamp body 5 is provided with a sealing gasket 9 at the opening of the cavity 30, when the clamp body 5 is closed, the cavity 30 is closed, the second sub-cavity is closed, the sealing gasket 9 can wrap the adsorption tube 10, the sealing gasket 9 is used for guaranteeing the sealing effect of the first seal, and the sealing gasket 9 is an elastic rubber gasket.
The upper end of the adsorption pipe 10 is fixedly connected with one end of the air suction pipe 6, the other end of the air suction pipe 6 is fixedly connected with a valve 13, the valve 13 can only be singly conducted, a button 14 is slidably connected onto the valve 13, a pipeline 31 is arranged on the valve 13, a valve cavity 32 is arranged inside the valve 13, the pipeline 31 is arranged on two sides of the valve cavity 32, the pipeline 31 is connected with the valve cavity 32, air enters and exits the valve 13 through a pipeline formed by the pipeline 31 and the valve cavity 32, a reset device 29 is fixedly connected to the right side of the valve cavity 32, the reset device is a spring, the reset device 29 is fixedly connected with a ball, the ball is in sliding contact with the valve cavity 32, the diameter of the ball is smaller than the inner diameter of the valve cavity, the button 14 and the reset device 29 control the opening and closing of the valve, the valve 13 is in a normally closed state, the button 14 is sprung up, the reset device props against the ball in the valve, and the pipeline 31 is blocked by the ball, and the air cannot enter and exit the air suction pipe 6 through the valve 13; pressing the button 14, the button 14 pushes the ball away from the original position, the ball no longer blocks the pipeline 31, and the valve 13 is opened; the other end of the valve 13 is fixedly connected with an exhaust interface 15; the suction pipe 10 and suction pipe 6 and valve 13 and exhaust port 15 form a conduit for air to enter and leave the second subchamber.
The exhaust interface 15 is connected with an air exhaust device, the air exhaust device is an air exhaust cylinder 16, the air exhaust cylinder 16 is fixedly connected with a power box 17, the power box 17 is slidably connected with a piston rod 18 arranged in the vertical direction, the bottom end of the piston rod 18 is fixedly connected with a piston 19, the piston 19 is slidably connected with the inner wall of the air exhaust cylinder 16, the air exhaust cylinder 16 and the piston 19 form an air exhaust space 20, the air exhaust space 20 is provided with an air outlet 21 and an air inlet 22, an air inlet one-way valve is arranged in the air inlet 22, air can be only fed through the air inlet one-way valve and can not be discharged, the air outlet 21 is internally provided with an air exhaust one-way valve, air can only be discharged through the air exhaust one-way valve and can not be fed, and the air inlet 22 is communicated with the air exhaust interface 15; the power box 17 is rotationally connected with a driving wheel 27 through a second rotating shaft 24, driven wheels 28 are symmetrically meshed with two sides of the driving wheel 27, and the driven wheels 28 are rotationally connected with the power box 17; each driven wheel 28 is coaxially connected with a half gear 23, racks are arranged on two sides of the piston rod 18, and the racks are meshed with the half gears 23; when the half gear 23 on one side of the piston rod 18 is meshed with the rack of the piston rod 18, the half gear 23 on the other side is not meshed with the rack of the piston rod 18; one end of the second rotating shaft 24 penetrates out of the power box 17 and is connected with a handle 25, and the handle 25 is connected with an operating handle 26.
The invention also provides a food bag sealing device and a use method, and the food bag sealing device provided by the embodiment comprises the following steps:
before use, the opening 2 of the food bag 1 is leveled, the package shapes at the two sides of the opening are consistent as much as possible, and the package is checked, so that no other leaking places except the opening 2 exist;
when the food bag packaging machine is used, the clamp body 5 is opened by pressing the handle 3, the cavity 30 and the second sub-cavity are opened, the end part of the adsorption tube 10 is inserted into the opening 2, the opening 2 is completely placed into the second sub-cavity, the arrangement is smooth, the handle 3 is loosened, the cavity 30 and the second sub-cavity are closed, and the opening part of the cavity 30 presses the outer side of the package of the food bag 1, so that the first sealing is completed;
the air extractor is connected with the air exhaust interface 15 for exhausting, and the air in the food bag is exhausted through the adsorption tube 10; in the process of exhausting the food bag, air in the second sub-cavity enters the adsorption pipe 10 through the air suction hole 11 to be exhausted together, the air pressure in the second sub-cavity is reduced, the second sub-cavity and the first sub-cavity generate air pressure difference, the second sub-cavity and the third sub-cavity generate air pressure difference, the air enters the first sub-cavity and the third sub-cavity through the air hole 11, the volumes of the first sub-cavity and the third sub-cavity are increased, the volumes of the second sub-cavity are reduced, the elastic film 8 generates elastic deformation, and the elastic film 8 is closed towards the middle; when the gas in the food bag and in the second sub-cavity is evacuated, the elastic films 8 on both sides of the second sub-cavity are pressed under the action of atmospheric pressure to cover the opening 2, forming a second seal.
When the air in the adsorption pipe 10 passes through the air suction pipe 6 and passes through the pipeline 31 of the valve 13, and is about to enter the valve cavity 32, the air pressure difference exists at two sides of the ball in the valve due to different air pressures, and when the air pressure difference at two sides is larger than the elastic force of the resetting device 29, the ball moves to the side where the resetting device 29 is positioned, the valve is opened, and the air is discharged; after the air passes through the valve 13, the air pressure difference between two sides of the ball is reduced, the ball moves to the opposite side under the action of the resetting device 29, the pipeline 31 is blocked, the valve is automatically closed, and the air is prevented from flowing back into the food bag 1; at the end of each bleed, the valve 13 is automatically closed, forming a third seal.
When the food bag 1 needs to be taken out of the clamp body 5, a button 14 on the valve 13 is pressed, a ball in the valve is jacked up, the valve 13 is opened, and the third seal is released; external air enters the second sub-cavity and the food bag 1 through the air suction pipe 6 and the adsorption pipe 10 by the valve 13, the air pressure in the second sub-cavity is increased, the air in the first sub-cavity and the third sub-cavity is discharged through the air hole 11, the volume of the second sub-cavity is increased, the volumes of the first sub-cavity and the third sub-cavity are reduced, the elastic film 8 is restored to the original state, the opening 2 of the food bag 1 is not extruded and coated any more, and the second sealing is released; after the outside air enters the food bag 1, the food bag 1 is no longer in a vacuum state; when the clamp body 5 is opened, the cavity 30 is also opened, the opening of the cavity 30 and the sealing gasket 9 do not squeeze the food bag 1 any more, the first sealing is released, and the food bag 1 can be taken out from the clamp body 5; the mode of air pressure sealing is adopted, so that the original package and the opening are not damaged, and can be reused; in the using process, no toxic, harmful or irritant substances are generated, and no food is polluted; and the food bag can be taken out conveniently in this way.
The air extracting device 16 can be installed or separated from the air exhaust interface 15, and an air inlet 22 of the air extracting device is connected with the air exhaust interface 15; the operating handle 26 is rocked to drive the driving wheel 27 to rotate, the driving wheel 27 drives the driven wheels 28 on two sides to rotate, the driven wheels 28 on two sides drive the semi-gears 23 connected with each other to rotate, when one semi-gear 23 drives the piston rod 18 to ascend, the volume of the air extraction space 20 is increased, the air inlet 22 is opened, the air outlet 21 is closed, air in the food bag 1 and the second sub-cavity is extracted into the air extraction space 20, when the other semi-gear 23 drives the piston rod 18 to descend, the volume of the air extraction space 20 is reduced, the air pressure is increased, the air inlet 22 is closed, the air outlet 21 is opened, and the air in the air extraction space 20 is discharged; the whole exhaust process only needs the action wheel to rotate towards one direction, so that the reciprocating motion of the piston rod can be realized, the air is rapidly exhausted, and the device is quite convenient and rapid.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a food bag closing device, includes clamp (5), its characterized in that, clamp fixedly connected with handle (3), clamp (5) rotate and are connected with first pivot (4), clamp (5) symmetry sets up the both sides of first pivot (4), clamp (5) are connected with breathing pipe (6), breathing pipe (6) are connected with air extraction device (16), clamp (5) are provided with cavity (30), be connected with elastic membrane (8) in cavity (30), elastic membrane (8) will cavity (30) divide into first sub-cavity, second sub-cavity and third sub-cavity from left to right in proper order, first sub-cavity with the lateral wall of third sub-cavity is connected with air vent (11), second sub-cavity is connected with adsorption tube (10), adsorption tube (10) upper end with breathing pipe (6) fixed connection, adsorption tube (10) pass second sub-cavity, adsorption tube (10) are in the outside of clamp (5);
the adsorption tube (10) is further provided with an air suction hole (7) at the part of the second sub-cavity, and the second sub-cavity is communicated with the adsorption tube (10) through the air suction hole (7);
the end part of the air suction pipe (6) is fixedly connected with a valve (13), the valve (13) is connected with a knob (14) in a sliding way, the valve (13) is provided with a pipeline (31), the valve (13) is provided with a valve cavity (32), the pipeline (31) is arranged on two sides of the valve cavity (32), the pipeline (31) is connected with the valve cavity (32), the right side of the valve cavity (32) is fixedly connected with a reset device (29), the reset device (29) is fixedly connected with a ball, and the ball is in sliding contact with the valve cavity (32);
the air extractor is characterized in that the air extractor is fixedly connected with a power box (17), the power box (17) is connected with a piston rod (18) arranged in the vertical direction in a sliding manner, the bottom end of the piston rod (18) is fixedly connected with a piston (19), the piston (19) is connected with the inner wall of the air extractor (16) in a sliding manner, the air extractor (16) and the piston (19) form an air extraction space (20), the air extraction space (20) is provided with an air outlet (21) and an air inlet (22), an air inlet one-way valve is arranged in the air inlet (22), and an air outlet one-way valve is arranged in the air outlet (21), and the air inlet (22) is communicated with an air outlet interface (15); the power box (17) is rotationally connected with a driving wheel (27) through a second rotating shaft (24), driven wheels (28) are symmetrically meshed with two sides of the driving wheel (27), and the driven wheels (28) are rotationally connected with the power box (17); each driven wheel (28) is coaxially connected with a half gear (23), racks are arranged on two sides of the piston rod (18), and the racks are meshed with the half gears (23); when the half gear (23) positioned at one side of the piston rod (18) is meshed with the rack of the piston rod (18), the half gear (23) positioned at the other side is not meshed with the rack of the piston rod (18); one end of the second rotating shaft (24) penetrates out of the power box (17) and is connected with a handle (25), and the handle (25) is connected with an operating handle (26).
2. A food bag closure device according to claim 1, wherein in an initial state the clamp body (5) is closed and the cavity (30) is closed, the air pressure in the first, second and third sub-cavities is the same, and the elastic membrane (8) is not deformed.
3. A food bag closure device according to claim 1, characterized in that in an initial state the knob (14) is lifted and the ball is located to the left of the valve cavity (32), the valve (13) being closed.
4. A method of using a food bag closure apparatus according to any one of claims 1 to 3, comprising the steps of:
when the food bag (1) needs to be sealed and stored, the opening (2) is leveled, the handle (3) is adjusted, the clamp body (5) rotates around the first rotating shaft (4), the clamp body (5) is opened, the cavity (30) is opened, the end part of the adsorption tube (10) is inserted into the food bag (1) through the opening (2), the opening (2) is placed into the second sub-cavity, the handle (3) is adjusted to close the clamp body (5), the cavity (30) is closed, and the clamp body (5) extrudes the food bag (1) to finish the first sealing operation;
the air extractor (16) is connected to the air exhaust interface (15) to start exhausting, air in the food bag (1) is exhausted through the adsorption tube (10), so that the vacuumizing operation in the food bag (1) is realized, the adsorption tube (10) is communicated with the second sub-cavity through the air suction hole (7), the air in the second sub-cavity is also exhausted together in the process of exhausting the air in the food bag (1), the air pressure in the second sub-cavity is reduced, the volume is reduced, the external air enters the first sub-space and the third sub-space through the air hole (11), the volume of the first sub-space and the third sub-space is increased, the elastic film (8) deforms, and the opening (2) of the food bag is covered by extrusion, so that the second sealing operation is finished;
after the exhaust, the ball returns to the left side of the valve cavity (32) under the action of the resetting device (29), the pipeline (31) is blocked, the valve (13) is closed, and the third sealing operation is completed.
5. The method of using a food bag closure device according to claim 4, wherein pressing the knob (14) to push the ball open, opening the valve (13), and releasing the third seal; outside air enters the cavity (30) through the valve (13), the elastic film (8) does not squeeze and cover the food bag opening (2) any more, and the second seal is released; outside air enters the food bag (1), the food bag (1) is not in a vacuum state any more, the clamp body (5) is opened, the cavity (30) is also opened, the clamp body (5) does not squeeze the food bag (1) any more, and the first seal is released.
6. The method of using a food bag sealer according to claim 5, wherein when the air extractor (16) is operated, the operation handle (26) is rocked to drive the driving wheel (27) to rotate, the driving wheel (27) drives the driven wheels (28) on both sides to rotate, the driven wheels (28) on both sides drive the semi-gears (23) connected with each other to rotate, when one semi-gear (23) drives the piston rod (18) to rise, the volume of the air extracting space (20) is increased, the air inlet (22) is opened, the air outlet (21) is closed, air in the food bag (1) and the second sub-cavity is extracted into the air extracting space (20), when the other semi-gear (23) drives the piston rod (18) to descend, the volume of the air extracting space (20) is reduced, the air pressure is increased, the air inlet (22) is closed, the air outlet (21) is opened, and the air in the air extracting space (20) is discharged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210206808.XA CN114671070B (en) | 2022-03-03 | 2022-03-03 | Food bag sealing device and use method thereof |
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| CN202210206808.XA CN114671070B (en) | 2022-03-03 | 2022-03-03 | Food bag sealing device and use method thereof |
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| CN114671070B true CN114671070B (en) | 2024-03-15 |
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| CN2797213Y (en) * | 2005-02-04 | 2006-07-19 | 设计制造有限公司 | Vacuum pumping machine used for bar pressing type sealing bag |
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| CN114671070A (en) | 2022-06-28 |
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