CN114104503A

CN114104503A - Piece formula magnetism cladding type wrapping bag that can secondary seal

Info

Publication number: CN114104503A
Application number: CN202111291831.5A
Authority: CN
Inventors: 明平凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-01

Abstract

The invention discloses a sheet type magnetic coating type secondary sealing packaging bag, belonging to the packaging field, wherein the sheet type magnetic coating type secondary sealing packaging bag is characterized in that through the arrangement of a magnetic coating sheet and a dual-state variable strip, when the secondary sealing is needed, the mutual positioning of two sealing sheets is controlled through an adhesive layer, then a magnetic contact point is pressed, the magnetorheological fluid in the sheet type magnetic coating type secondary sealing packaging bag gradually moves towards the dual-state variable strip, the dual-state variable strip is changed from soft to hard into a cylindrical strip shape, the magnetism is gradually enhanced from the middle part to the outside along with the movement of the magnetorheological fluid towards the dual-state variable strip, the magnetic coating sheet is gradually folded and coated towards the hardened dual-state variable strip along the direction, the secondary sealing of the bag mouth is realized, compared with the clamping in the prior art, the sealing mode is that the sheet is changed into folding and coating, the operation difficulty and the complexity are effectively reduced, and the occurrence of incomplete clamping is effectively avoided, the sealing is better.

Description

Piece formula magnetism cladding type wrapping bag that can secondary seal

Technical Field

The invention relates to the field of packaging, in particular to a piece type magnetic coating type packaging bag capable of being sealed secondarily.

Background

The packaging bag is a bag for packaging various articles, so that the goods are convenient to transport and easy to store in the production flow process. Is widely used in daily life and industrial production. Actual figures show that 80% of used plastic bags are finally transported to a garbage piling field area for treatment like ordinary garbage, and only seven percent of the plastic is recycled.

The secondary seal mode of packing bag among the prior art generally is through plastics card strip, seals once more through the joint to the maximum diameter of card strip is greater than the opening size of draw-in groove, but in actual operation, because card strip and draw-in groove are all thin, not only need gradually press from beginning to end, complex operation, and the operation is comparatively difficult when pressing moreover, still takes place the condition of local incomplete joint easily simultaneously, leads to sealed effect not good.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a sheet type magnetic coating type packaging bag capable of being sealed secondarily, through the setting of magnetism cover plate and binary state change strip, when needing to seal once more, through two gasket mutual positioning of viscose layer control, back press the magnetic contact, make its inside magnetorheological suspensions gradually move towards binary state change strip internal transfer, make binary state change strip appear cylindrical strip by soft stiffening, at this moment along with magnetorheological suspensions to the removal in the binary state changes strip, from the outside magnetism of middle part strengthens gradually, make the magnetism cover plate gradually towards the cladding of closing up outside the binary state of sclerosis along this direction, realize the secondary seal to bag body sack, compare in the joint of prior art, this sealing mode is for turning into to closing up the cladding by the piece, effectively reduce the operation degree of difficulty and loaded down with trivial details nature, effectively avoid the condition of incomplete joint to take place simultaneously, make sealed better.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a but wrapping bag of secondary seal of piece formula magnetism cladding type, includes the bag body, the equal fixedly connected with gasket of inner wall around the sack of the bag body, one fixedly connected with magnetomotive contact and two binary that are located both ends about the magnetomotive contact respectively become the strip on the gasket, the magnetomotive contact becomes the end fixing that the strip is close to each other and communicates with each other with binary, and the binary becomes the strip fixed run through the bag body and outwards outstanding, another gasket middle part fixedly connected with spacer and the magnetism that is located both ends about the spacer cover the piece, magnetism covers the piece and the binary corresponds each other with the binary, the inside fixedly connected with butterfly shape epitaxial shelf of magnetomotive contact, the tip of butterfly shape epitaxial shelf becomes the strip towards the binary, the magnetomotive contact is close to the inner wall middle part fixedly connected with inner push rod of spacer, inner push rod upper end towards the center department of butterfly shape epitaxial shelf, the magnetorheological contact intussuseption is filled with, through the setting of magnetism cover plate and binary state change strip, when needing to seal once more, through two gasket mutual positioning of viscose layer control, back press the magnetic contact, make its inside magnetorheological suspensions gradually move towards binary state change strip internal transfer, make binary state change strip appear cylindrical strip by soft stiffening, at this moment along with magnetorheological suspensions to the removal in the binary state changes strip, from the outside magnetism of middle part strengthens gradually, make the magnetism cover plate gradually towards the cladding of closing up outside the binary state of sclerosis along this direction, realize the secondary seal to bag body sack, compare in the joint of prior art, this sealing mode is for turning into to closing up the cladding by the piece, effectively reduce the operation degree of difficulty and loaded down with trivial details nature, effectively avoid the condition of incomplete joint to take place simultaneously, make sealed better.

Furthermore, the two-state variable strip is a flexible sealing structure, the magnetic cover sheet is of an arc sheet structure, and the connecting part of the magnetic cover sheet and the sealing sheet is the middle part of the magnetic cover sheet.

Furthermore, the end parts of the magnetic contact and the positioning piece, which are close to each other, are of arc surface structures matched with each other, and the edges of the arc surface parts and the two sealing pieces, which are close to each other, are coated with adhesive layers.

Further, the magnetic contact is of a high-resilience hemispherical structure, the middle part of the magnetic contact facing outwards is a straight surface, and the position of the straight surface is of a hard structure.

Furthermore, magnetism cover plate includes the location end with gasket fixed connection and connects the magnetism end at location end both ends, magnetism end middle part is fixed to be inlayed and is had a plurality of evenly distributed's magnetic stripe.

Furthermore, the magnetic stripe includes that the cross-section runs through the inside lining strip of magnetism movable end and a plurality of fixed connection are at the reinforcement point on the inside lining strip, inside lining strip and reinforcement point are magnetic material and make.

Further, the butterfly-shaped extension frame comprises two arc-shaped elastic rods which are symmetrical to each other and are abutted against each other, and each arc-shaped elastic rod comprises an arc-shaped lining strip fixedly connected with the edge of the straight section of the magnetic contact and a pressing ball connected to the lower end of the arc-shaped lining strip.

Furthermore, the arc-shaped lining strip is made of a high-elasticity and high-toughness structure, and the diameter of the pressing ball is not smaller than the maximum inner diameter of the dual-state variable strip.

Furthermore, the height of the inner push rod is not more than half of the maximum height of the magnetic contact, and the upper end part of the inner push rod is positioned below the abutting points of the two arc-shaped elastic rods.

Further, still fixedly connected with two outer arc expanding pieces that lean on each other in the straight section of magnetic contact, two planes that expand the arc piece place outward and two arc bullet pole place planes mutually perpendicular, and the support point of outer arc expanding piece is not higher than the support point between two arc bullet poles.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the setting of magnetism cover plate and binary state change strip, when needing sealed once more, through two gasket mutual positioning of viscose layer control, back press the magnetic contact, make its inside magnetorheological suspensions gradually move towards binary state change strip inward shift, make binary state change strip appear the cylinder strip by soft stiffening, along with magnetorheological suspensions at this moment to the removal in the binary state change strip, from the outside magnetism of middle part strengthens gradually, make the magnetism cover plate gradually towards the cladding of closing up outward of the binary state change strip of sclerosis along this direction, realize the secondary seal to bag body sack, compare in the joint of prior art, this sealing mode is for turning into to closing up the cladding by the piece, effectively reduce the operation degree of difficulty and loaded down with trivial details nature, effectively avoid the condition of incomplete joint to take place simultaneously, make sealed better.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of a change structure of the bag opening during secondary sealing;

FIG. 3 is a schematic view of the configuration of a seal of the present invention facing the inside of the bag;

FIG. 4 is a schematic view of another seal of the present invention oriented to one side of the pouch;

FIG. 5 is a cross-sectional structural view of a magnetic shroud of the present invention;

FIG. 6 is a schematic view of the structure at the magnetic moving contact of the present invention;

FIG. 7 is a schematic diagram of the structure of the magnetic contact point after secondary sealing according to the present invention;

FIG. 8 is a schematic structural view of a butterfly-shaped epitaxial frame of the present invention;

FIG. 9 is a schematic structural view of the magnetic shroud as it gradually wraps the binary transition strip of the present invention;

fig. 10 is a schematic structural view of secondary sealing of a packaging bag in the prior art.

The reference numbers in the figures illustrate:

the magnetic dynamic contact device comprises a bag body 1, a sealing sheet 2, a magnetic dynamic contact 31, a positioning sheet 32, a magnetic covering sheet 4, a magnetic dynamic end 41, a positioning end 42, a double-state changing strip 5, an inner lining strip 6, a reinforcing point 7, an arc lining strip 8, a pressing ball 9 and an inner push rod 10.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a sheet-type magnetic-coated secondary-sealable packaging bag includes a bag body 1, sealing sheets 2 are fixedly connected to the front and rear inner walls of a bag opening of the bag body 1, as shown in fig. 3-4, a magnetic contact 31 and two binary variable strips 5 respectively located at the left and right ends of the magnetic contact 31 are fixedly connected to one sealing sheet 2, the end portions of the magnetic contact 31 and the binary variable strips 5 close to each other are fixed and communicated, the binary variable strips 5 fixedly penetrate through the bag body 1 and protrude outwards, and a positioning sheet 32 and magnetic cover sheets 4 located at the left and right ends of the positioning sheet 32 are fixedly connected to the middle portion of the other sealing sheet 2.

Referring to fig. 5, the magnetic cover sheet 4 is an arc-shaped sheet structure, compared with an annular structure with a smaller opening in the effective technology, when the magnetic cover sheet is connected with the dual-state variable strip 5 to establish a sealing relationship, pressing is not needed, and at the same time, the operation of alignment is significantly reduced, so that the complexity is greatly reduced, the connecting portion of the magnetic cover sheet 4 and the sealing strip 2 is the middle portion of the magnetic cover sheet 4, the magnetic cover sheet 4 and the dual-state variable strip 5 correspond to each other, the dual-state variable strip 5 is a flexible sealing structure, so that when the sealing is released, the dual-state variable strip 5 is relaxed to be in a "soft" state, when the secondary sealing is needed, after the magnetic fluid contact 31 is pressed, the magnetic fluid inside is concentrated and gathered into the magnetic fluid, the magnetic fluid can be changed into a cylindrical strip shape from soft to hard, when the magnetic cover sheet 4 covers the magnetic fluid, the magnetic fluid 4 is connected with each other more tightly, so that the sealing effect is better, the end portions of the magnetic contact 31 and the positioning piece 32, which are close to each other, are arc-shaped structures which are matched with each other, the cambered surface part and the edges of the two sealing pieces 2 close to each other are coated with adhesive layers, so that the positioning is convenient, the positions of the magnetic covering piece 4 and the double-state variable strip 5 are positioned when the sealing is needed, and the situation that the magnetic covering piece 4 and the double-state variable strip 5 are staggered during the secondary sealing is effectively avoided;

magnetism cover piece 4 includes the location end 42 with sealing strip 2 fixed connection and connects the magnetomotive end 41 at location end 42 both ends, the fixed magnetic stripe that inlays at the middle part of magnetomotive end 41 and have a plurality of evenly distributed, the magnetic stripe includes that the cross-section runs through inside lining strip 6 of magnetomotive end 41 and reinforcement point 7 on inside lining strip 6 of a plurality of fixed connection, inside lining strip 6 and reinforcement point 7 are magnetic material and make, setting through the magnetic stripe, make magnetism cover piece 41 possess magnetism, after the binary becomes strip 5 internal flow magnetorheological suspensions, possess magnetic force under the magnetic field of magnetic stripe, it has mutual adsorption power to make magnetism cover piece 4 and binary change between the strip 5, because binary becomes strip 5 fixed, make magnetism cover piece 4 towards binary change 5 surface attached, realize magnetism cover piece 4 by the effect that the cladding gradually becomes strip 5 surface at binary by the slice.

Referring to fig. 6, a butterfly-shaped extension frame is fixedly connected inside the magnetic contact 31, the end of the butterfly-shaped extension frame faces the dual-state variable strip 5, an inner push rod 10 is fixedly connected to the middle of the inner wall of the magnetic contact 31 close to the positioning piece 32, the upper end of the inner push rod 10 faces the center of the butterfly-shaped extension frame, and magnetorheological fluid is filled in the magnetic contact 31.

Magnetomotive contact 31 is the hemisphere structure of high resilience, makes it can the reconversion after pressing, and the many times of the sack of being convenient for is opened and secondary seal, and magnetomotive contact 31 is straight face towards outside middle part, and straight face position is the stereoplasm structure, and when opening, interior push rod 10 is when the extrusion straight face, and the straight face global movement of being convenient for makes the pulling effect to pressing ball 9 better.

The butterfly-shaped extension frame comprises two arc-shaped elastic rods which are symmetrical and abutted against each other, each arc-shaped elastic rod comprises an arc-shaped lining strip 8 fixedly connected with the edge of a straight section of the magnetic contact 31 and a pressing ball 9 connected to the lower end part of the arc-shaped lining strip 8, each arc-shaped lining strip 8 is made of a high-elasticity and high-toughness structure, the diameter of each pressing ball 9 is not smaller than the maximum inner diameter of the corresponding double-state variable strip 5, the height of each inner push rod 10 is not larger than half of the maximum height of the corresponding magnetic contact 31, when the inner push rod 10 presses the magnetic contact 31 difficultly, the deformation range of the corresponding magnetic contact 31 is effectively guaranteed, the pressing ball 9 can be smoothly pressed into the corresponding double-state variable strip 5, the hardened double-state variable strips 5 are shaped, the upper end part of the inner push rod 10 is located below the abutting points of the two arc-shaped elastic rods, when the butterfly-shaped extension frame needs to be opened, the corresponding magnetic contact 31 is pressed reversely, the upper end part of the inner push rod 10 abuts against the corresponding straight section of the corresponding magnetic contact 31, the double-state variable strip 5 is pulled out by the pressing ball 9, partial magnetorheological fluid inside the double-state variable strip 5 flows back to the magnetic contact 31, the double-state variable strip 5 is loosened, the two sealing pieces 2 can be torn outwards at the moment, opening of the sealing bag is completed, the inner push rod 10 is located below the abutting point of the two arc-shaped lining strips 8, pushing force is not generated on the arc-shaped lining strips 8 when the double-state variable strip 5 is opened easily, the arc-shaped lining strips 8 are effectively protected from being in a stressed state for a long time, and the double-state variable strip 5 is not damaged easily.

As shown in fig. 8, still two outer arc expansion pieces that lean on each other of fixedly connected with in the straight section of magnetomotive contact 31, two planes that outer arc expansion piece place the plane and two arc elastic rod place the plane mutually perpendicular, make, and the support point of outer arc expansion piece is not higher than the support point between two arc elastic rod, effectively restrict interior push rod 10, make when secondary seal, interior push rod 10 extrudees arc elastic rod behind two outer arc expansion pieces at first, effectively restrict its extrusion orbit, make its extrusion difficult phenomenon of skidding appears to arc liner 8, effectively guarantee can push after the arc liner 8 atress deformation and enter into in the binary becomes strip 5, make the binary become strip 5 form after the sclerosis fixed.

The arc-shaped lining strip 8 is not easy to extrude, so that the stability of secondary sealing is effectively protected, and the situation of sealing looseness is not easy to occur.

Referring to fig. 2, by arranging the magnetic cover sheet 4 and the two-state variable strip 5, when the bag needs to be sealed again, the two sealing sheets 2 are controlled to be mutually positioned by the viscose layer, and then the magnetic contact 31 is pressed to gradually transfer the magnetorheological fluid in the magnetic cover sheet towards the two-state variable strip 5, so that the two-state variable strip 5 is in a cylindrical strip shape from soft to hard, at the moment, the magnetism is gradually enhanced from the middle to the outside along with the movement of the magnetorheological fluid towards the two-state variable strip 5, so that the magnetic cover sheet 4 is gradually folded and coated towards the hardened two-state variable strip 5 along the direction, and the secondary sealing of the bag opening of the bag body 1 is realized.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a but piece formula magnetism cladding type secondary seal's wrapping bag, includes the bag body (1), its characterized in that: the equal fixedly connected with gasket (2) of inner wall around the sack of the bag body (1), one fixedly connected with magnetic contact (31) and two binary that are located both ends about magnetic contact (31) become strip (5) on gasket (2), the end fixing that magnetic contact (31) and binary are close to each other becomes strip (5) and communicates with each other, and binary becomes strip (5) fixed run through the bag body (1) and outwards outstanding, another gasket (2) middle part fixedly connected with spacer (32) and be located spacer (32) and control both ends magnetism cover piece (4), magnetism cover piece (4) and binary become strip (5) and correspond each other, the inside fixedly connected with butterfly form of magnetic contact (31) extension frame, the tip orientation binary of butterfly form extension frame becomes strip (5), the inner wall fixedly connected with inner push rod (10) that magnetic contact (31) is close to spacer (32), the upper end of the inner push rod (10) faces the center of the butterfly-shaped outer extension frame, and magnetorheological fluid is filled in the magnetic contact (31).

2. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 1, characterized in that: the double-state variable strip (5) is of a flexible sealing structure, the magnetic cover sheet (4) is of an arc-shaped sheet structure, and the connecting part of the magnetic cover sheet (4) and the sealing sheet (2) is the middle part of the magnetic cover sheet (4).

3. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 2, characterized in that: the end parts of the magnetic contact (31) and the positioning pieces (32) close to each other are of arc surface structures matched with each other, and the edges of the arc surface parts and the two sealing pieces (2) close to each other are coated with adhesive layers.

4. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 3, wherein: the magnetic contact (31) is of a high-resilience hemispherical structure, the middle part of the magnetic contact (31) facing outwards is a straight surface, and the straight surface part is of a hard structure.

5. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 2, characterized in that: magnetism cover piece (4) include with gasket (2) fixed connection's location end (42) and connect magnetism move end (41) at location end (42) both ends, magnetism moves end (41) middle part fixed mosaic and has a plurality of evenly distributed's magnetic stripe.

6. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 5, wherein: the magnetic strip comprises an inner lining strip (6) with a cross section penetrating through the magnetic end (41) and a plurality of reinforcing points (7) fixedly connected to the inner lining strip (6), and the inner lining strip (6) and the reinforcing points (7) are made of magnetic materials.

7. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 4, wherein: the butterfly-shaped extension frame comprises two arc-shaped elastic rods which are symmetrical to each other and are abutted against each other, and each arc-shaped elastic rod comprises an arc-shaped lining strip (8) fixedly connected with the edge of a straight section of the magnetic contact (31) and a pressing ball (9) connected to the lower end of the arc-shaped lining strip (8).

8. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 7, wherein: the arc-shaped lining strips (8) are made of a high-elasticity and high-toughness structure, and the diameter of the pressing ball (9) is not smaller than the maximum inner diameter of the dual-state variable strip (5).

9. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 7, wherein: the height of the inner push rod (10) is not more than half of the maximum height of the magnetic contact (31), and the upper end part of the inner push rod (10) is positioned below the abutting points of the two arc-shaped elastic rods.

10. The sheet-type magnetic coating type secondary sealable packaging bag according to claim 7, wherein: still fixedly connected with two outer flaring arc pieces that lean on each other in the straight section of magnetic contact (31), two outer flaring arc piece planes and two arc elastic rods place the plane mutually perpendicular, and the support point of outer flaring arc piece is not higher than the support point between two arc elastic rods.