CN112644877A - Multi-branch vest bag and preparation method thereof - Google Patents
Multi-branch vest bag and preparation method thereof Download PDFInfo
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- CN112644877A CN112644877A CN202110001003.7A CN202110001003A CN112644877A CN 112644877 A CN112644877 A CN 112644877A CN 202110001003 A CN202110001003 A CN 202110001003A CN 112644877 A CN112644877 A CN 112644877A
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- vest
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- 238000009958 sewing Methods 0.000 claims description 33
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- 229920002635 polyurethane Polymers 0.000 claims description 19
- 239000004814 polyurethane Substances 0.000 claims description 19
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
- B65D33/10—Handles formed of similar material to that used for the bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/36—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents adapted to be used for non-packaging purposes after removal of contents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention provides a multi-branch-point vest bag and a preparation method thereof, and the multi-branch-point vest bag comprises a bag body, first handles and elastic bands, wherein the first handles are arranged on two sides of the upper end of the bag body; the second handle is movably arranged through the elastic band, the second handle is moved to the center position of the bag body, when articles are hung and contained, multiple support points are stressed, the middle position and two ends of the bag body are kept on the same horizontal plane, the articles are not prone to falling out, the second handle can be moved to the first handle during daily carrying, the stress effect of the handles at the two ends is improved, the handle is prevented from being tightened under the action of the soft cushion, and the carrying is more comfortable.
Description
Technical Field
The invention relates to the technical field of vest bags, in particular to a multi-supporting-point vest bag and a preparation method thereof.
Background
The vest bag is also called as a vest bag, and the vest bag is exactly like a vest in shape, so that the vest bag is famous, has wide application, becomes an indispensable necessity in daily life, provides great convenience for people, and causes environmental pollution;
after the existing vest bag is filled with articles and hung, handles at two ends are stressed, the middle position is easy to be stressed and descended, and the articles fall out, and the existing vest bag is not tough enough and is easy to tear and damage, so the invention provides the multi-supporting-point vest bag and the preparation method thereof to solve the problems in the prior art.
Disclosure of Invention
In order to solve the problems, the invention provides a multi-support-point vest bag and a preparation method thereof.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a many fulcrum undershirt bags, includes the bag body, first handle and elastic cord, the both sides of bag body upper end all are equipped with first handle, the top of the internal portion front and back end of bag all is equipped with the elastic cord, movable mounting has the second handle on the elasticity area, and the second handle is equipped with two sets ofly at least, the inboard upper end of second handle is equipped with the cushion, and the both ends of second handle bottom all are equipped with the sleeve pipe, sleeve pipe movable sleeve is established on the elasticity area, the internal portion of bag front and back end all is equipped with the gasbag pad, and is equipped with the valve inside on the gasbag pad, the valve inside extends the bag body.
The further improvement lies in that: the inside both sides of the bag body all are equipped with first gluey piece, and first gluey piece equidistance is equipped with the multiunit, and is adjacent two sets of be connected with reinforcing fiber between the first gluey piece.
The further improvement lies in that: the front and back end of the inside bottom of the bag body is provided with a second glue block, the second glue blocks are arranged in an equidistant mode and provided with a plurality of groups, and the adjacent front and back ends are two groups of the second glue blocks, and connecting belts are connected between the second glue blocks.
The further improvement lies in that: joints are sewn above the front end and the rear end inside the bag body, and two ends of the elastic band are respectively sewn and connected with the joints at the two ends.
The further improvement lies in that: the bottom of the bag body is equipped with the accessory chamber, and the front end in accessory chamber is equipped with the accent, be equipped with the chamber lid on the accent, and the one end of chamber lid passes through the magic with the lateral wall in accessory chamber and pastes and be connected.
A preparation method of a multi-branch vest bag comprises the following steps:
the method comprises the following steps: preparing materials: the adhesive comprises a rubber tube, a rubber block, reinforcing fibers, an elastic band, a connecting band, epoxy resin viscose, silver fibers, polypropylene fibers, a polyurethane waterproof film, cotton-flax fibers, cassava flour, chitosan, wood fibers and corn starch;
step two: putting the cassava powder, the chitosan, the wood fiber and the corn starch into a reaction kettle, uniformly mixing, adding water for dilution, stirring and mixing at 125 ℃ to obtain a mixture, heating and degassing the mixture, and performing polycondensation on the mixture on an extruder by using a double-screw extruder to obtain a base material;
step three: adding cotton-flax fibers, silver fibers and polypropylene fibers into the base material, uniformly stirring to obtain a mixture, introducing the mixture into a film blowing machine to obtain a film material, placing the film material into a curing chamber, and curing for 12-15 hours at the temperature of 45-50 ℃ to obtain a base material;
step four: putting the base material into a bag making machine to make a semi-finished bag body product with required size;
step five: putting the prepared polyurethane waterproof film into a bag making machine, repeating the bag making process in the fourth step, preparing the polyurethane waterproof film into the shape same as that of the semi-finished bag body, then coating the polyurethane waterproof film and the semi-finished bag body with epoxy resin viscose by using a cold pressing and applying process, and integrally forming the polyurethane waterproof film and the semi-finished bag body to obtain a bag body;
step six: sewing a joint in the bag body through a sewing machine, then putting part of the base material into a cutting machine, cutting a first handle and a second handle, sewing the first handle at two ends of the bag body through the sewing machine, then preparing a rubber tube as a sleeve, sewing the sleeve with the second handle, then sleeving the sleeve on an elastic band, sewing the elastic band on the joint, and finishing the multi-pivot manufacturing;
step seven: respectively cutting first rubber blocks and second rubber blocks from the prepared rubber blocks in a cutting machine, penetrating and connecting reinforcing fibers between every two first rubber blocks, sewing, penetrating and connecting belts between every two second rubber blocks, sewing, then adhering the first rubber blocks to two ends of the interior of the bag body through epoxy resin adhesive, adhering the second rubber blocks to the bottom of the interior of the bag body through epoxy resin adhesive, and meanwhile, sewing the reinforcing fibers and the connecting belts with the bag body by using a sewing machine;
step eight: cutting out the accessory cavity by using the rest base material, digging a hole as a cavity opening, cutting out the cavity cover, connecting by using a magic tape, sewing the accessory cavity to the bottom surface of the bag body, preparing the air bag cushion, and adhering the air bag cushion on the inner wall of the bag body through epoxy resin adhesive to obtain a finished product.
The further improvement lies in that: in the fourth step, the specific process for manufacturing the semi-finished bag body comprises the following steps: the bag making machine is characterized in that a base material is firstly unreeled, the bag making machine folds the base material, a rectangular surface is firstly folded at the front end of the bag making machine, then the rectangular surface is folded at the middle part of the bag making machine, the two rectangular surfaces are enclosed into a cylinder shape according to the required size, and then the head end and the tail end of the folding part and the cylindrical bottom end of the folding part are thermally sealed through a heat sealing knife to form a semi-finished bag body.
The further improvement lies in that: in the fifth step, the cold pressing and applying process comprises the following specific flows: putting the semi-finished product of the bag body into a glue spreader, coating epoxy resin glue, coating the glue amount of 150 and 190g/m2, then sleeving the polyurethane waterproof film outside the semi-finished product of the bag body, putting into a press, and cold pressing for 20-30min under the condition of the pressure intensity of 2-3MPa to obtain the bag body.
The invention has the beneficial effects that: the invention is movably provided with the second handle through the elastic band, the second handle is moved to the central position of the bag body, when articles are hung and loaded, a plurality of support points are stressed, the middle position and two ends of the bag body are kept on the same horizontal plane, the articles are not easy to fall out, and when the bag is carried in daily life, the second handle can be moved to the first handle, the stress effect of the handles at the two ends is improved, the handle is prevented from being tightened and the carrying is more comfortable under the action of the soft cushion, meanwhile, the two sides of the bag body are tougher under the action of the first rubber block and the reinforced fiber, the bottom surface of the bag body is tougher and harder to be torn and damaged under the action of the second rubber block and the connecting band, in addition, the articles contained in the bag body can be protected through the action of the air bag cushion, the vest bag can be used as a cushion when the articles are not contained, and some auxiliary articles can be carried through the, for example, the cooling ice is convenient for carry the short time cooling of bag body bottom when giving birth to the bright, and the function is diversified, and finally, through the bag body of materials preparation such as cotton-flax fiber, silver-colored fibre and polypropylene fiber, has the characteristics of protecting against radiation, high strength, has prolonged the life of this undershirt bag.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the interior of the pouch of the present invention;
FIG. 3 is a schematic view of a second handle of the present invention;
FIG. 4 is a schematic view of an airbag cushion of the present invention;
FIG. 5 is a schematic diagram of the bag material of the present invention.
Wherein: 1. a bag body; 2. a first handle; 3. elastic bands; 4. a second handle; 5. a soft cushion; 6. a sleeve; 7. an airbag cushion; 8. a valve core; 9. a first rubber block; 10. a reinforcing fiber; 11. a second glue block; 12. a connecting belt; 13. a joint; 14. an accessory cavity; 15. a lumen port; 16. a chamber cover; 17. magic tape.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to fig. 1, 2, 3, 4 show, this embodiment has provided a many fulcrum undershirt bags, including the bag body 1, first handle 2 and elastic cord 3, the both sides of the 1 upper end of the bag body all are equipped with first handle 2, the top of the 1 inside front and back end of the bag body all is equipped with elastic cord 3, movable mounting has second handle 4 on the elastic cord 3, and second handle 4 is equipped with two sets ofly at least, the upper end of 4 inboards of second handle is equipped with cushion 5, and the both ends of 4 bottoms of second handle all are equipped with sleeve pipe 6, the cover pipe 6 movable sleeve is established on the elastic cord 3, the inside front and back end of the bag body 1 all is equipped with gasbag pad 7, and is equipped with valve inside 8 on the gasbag pad 7, valve inside 8 extends the bag body 1. During the use, with the central point that the second handle 4 removed the bag body 1 put, when hanging and being equipped with article, just can the multiple fulcrum atress, the intermediate position and the both ends of the bag body 1 keep on same horizontal plane, article are difficult for falling out, when daily carrying, remove first handle 2 department with second handle 4, have improved the atress effect of both ends handle, cooperate the effect of cushion 5, avoid reining in the hand.
The inside both sides of the bag body 1 all are equipped with first gluey piece 9, and first gluey 9 equidistance of piece is equipped with the multiunit, and is adjacent two sets of be connected with reinforcing fiber 10 between first gluey piece 9. Making the sides of the receptacle 1 tougher.
The front and back end of the inside bottom of the bag body 1 is provided with a second rubber block 11, the second rubber blocks 11 are arranged in a plurality of groups at equal intervals, and the front and back ends are adjacent and two groups of the second rubber blocks 11 are connected with a connecting belt 12. Making the bottom surface of the receptacle 1 tougher.
The bottom of the bag body 1 is equipped with accessory chamber 14, and the front end in accessory chamber 14 is equipped with accent 15, be equipped with chamber lid 16 on the accent 15, and the one end of chamber lid 16 passes through the magic with the lateral wall in accessory chamber 14 and pastes 17 and be connected. The bag body is used for carrying auxiliary articles, such as cooling ice, and can cool the bottom of the bag body 1 for a short time when carrying fresh food.
Example two
According to fig. 5, this example proposes a method for preparing a multi-fulcrum vest bag, comprising the steps of:
the method comprises the following steps: preparing materials: the adhesive comprises a rubber tube, a rubber block, reinforcing fibers 10, an elastic band 3, a connecting band 12, epoxy resin viscose, silver fibers, polypropylene fibers, a polyurethane waterproof film, cotton-flax fibers, cassava flour, chitosan, wood fibers and corn starch;
step two: putting the cassava powder, the chitosan, the wood fiber and the corn starch into a reaction kettle, uniformly mixing, adding water for dilution, stirring and mixing at 125 ℃ to obtain a mixture, heating and degassing the mixture, and performing polycondensation on the mixture on an extruder by using a double-screw extruder to obtain a base material;
step three: adding cotton-flax fibers, silver fibers and polypropylene fibers into the base material, uniformly stirring to obtain a mixture, introducing the mixture into a film blowing machine to obtain a film material, placing the film material into a curing chamber, and curing for 12-15 hours at the temperature of 45-50 ℃ to obtain a base material;
step four: putting a base material into a bag making machine to manufacture a semi-finished bag body product with required size, firstly unreeling the base material, folding the base material by the bag making machine, folding the base material by a crease perpendicular to the unreeling advancing direction, firstly folding a rectangular surface at the front end, then folding a rectangular surface at the middle part, then enclosing the two rectangular surfaces into a cylinder shape according to the required size, and then carrying out heat sealing on the head end and the tail end of a folding part and the cylindrical bottom end of the folding part to form the semi-finished bag body product;
step five: putting the prepared polyurethane waterproof film into a bag making machine, repeating the process of making the bag in the fourth step, preparing the polyurethane waterproof film into the shape same as the semi-finished product of the bag body, and then utilizing the cold pressing and applying process for the polyurethane waterproof film and the semi-finished product of the bag body, wherein the specific process is as follows: putting the semi-finished product of the bag body into a glue spreader, spreading epoxy resin glue, wherein the glue spreading amount is 150 plus 190g/m2, then sleeving a polyurethane waterproof film outside the semi-finished product of the bag body, putting the polyurethane waterproof film into a press, cold pressing the polyurethane waterproof film for 20-30min under the condition of pressure intensity of 2-3MPa, and integrally forming the polyurethane waterproof film and the semi-finished product of the bag body to obtain the bag body 1;
step six: sewing a joint 13 on the interior of the bag body 1 through a sewing machine, then putting part of the base material into a cutting machine, cutting a first handle 2 and a second handle 4, sewing the first handle 2 on the two ends of the bag body 1 through the sewing machine, then preparing a rubber tube as a sleeve 6, sewing the sleeve 6 and the second handle 4, then sleeving the sleeve 6 on the elastic band 3, sewing the elastic band 3 on the joint 13, and completing the multi-pivot manufacturing;
step seven: respectively cutting first rubber blocks 9 and second rubber blocks 11 from the prepared rubber blocks in a cutting machine, enabling reinforcing fibers 10 to penetrate and be connected between every two first rubber blocks 9 and sewing, enabling connecting belts 12 to penetrate and be connected between every two second rubber blocks 11 and sewing, then enabling the first rubber blocks 9 to be adhered to two ends of the interior of the bag body 1 through epoxy resin adhesive, enabling the second rubber blocks 11 to be adhered to the bottom of the interior of the bag body 1 through epoxy resin adhesive, and meanwhile, sewing the reinforcing fibers 10 and the connecting belts 12 with the bag body 1 through a sewing machine;
step eight: cutting the accessory cavity 14 by using the rest base material, digging a hole as a cavity opening 15, cutting the cavity cover 16 and connecting by using a magic tape 17, sewing the accessory cavity 14 to the bottom surface of the bag body 1, preparing the airbag cushion 7, and adhering the airbag cushion 7 on the inner wall of the bag body 1 through epoxy resin adhesive to obtain a finished product. A
After verification: the vest bag does not break after being transversely stretched by 28 percent, and has higher strength.
The multi-fulcrum vest bag and the preparation method thereof are characterized in that a second handle 4 is movably arranged on an elastic band 3, the second handle 4 is moved to the central position of a bag body 1, when articles are hung and contained, the multi-fulcrum stress can be realized, the middle position and two ends of the bag body 1 are kept on the same horizontal plane, the articles are not easy to fall out, and when the bag is carried in daily life, the second handle 4 can be moved to a first handle 2, the stress effect of handles at two ends is improved, the handle is prevented from being tightened and is more comfortable to carry under the action of a cushion 5, meanwhile, the two sides of the bag body 1 are tougher under the action of a first rubber block 9 and a reinforcing fiber 10, the bottom surface of the bag body 1 is tougher and not easy to tear and damage under the action of a second rubber block 11 and a connecting band 12, in addition, the articles contained in the bag body 1 can be protected under the action of an airbag cushion 7, and when the articles, use the undershirt bag as the cushion, through the effect in accessory chamber 14, can carry some auxiliary object, for example the cooling ice, be convenient for carry the short time cooling of bag body 1 bottom when giving birth to the bright, the function is diversified, and finally, through bag body 1 of materials preparation such as cotton-flax fiber, silver-colored fibre and polypropylene fiber, has the characteristics of protecting against radiation, high strength, has prolonged the life of this undershirt bag.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-fulcrum vest bag, characterized in that: including the bag body (1), first handle (2) and elastic cord (3), the both sides of the bag body (1) upper end all are equipped with first handle (2), the top of the inside front and back end of the bag body (1) all is equipped with elastic cord (3), movable mounting has second handle (4) on elastic cord (3), and second handle (4) are equipped with two sets ofly at least, the upper end of second handle (4) inboard is equipped with cushion (5), and the both ends of second handle (4) bottom all are equipped with sleeve pipe (6), sleeve pipe (6) movable sleeve cover is established on elastic cord (3), the inside front and back end of the bag body (1) all is equipped with gasbag pad (7), and is equipped with valve inside (8) on gasbag pad (7), valve inside (8) extend the bag body (1).
2. The multi-fulcrum vest bag of claim 1, wherein: the inside both sides of the bag body (1) all are equipped with first gluey piece (9), and first gluey piece (9) equidistance is equipped with the multiunit, and adjacent two sets of be connected with reinforcing fiber (10) between first gluey piece (9).
3. The multi-fulcrum vest bag of claim 1, wherein: the front and back end of the inside bottom of the bag body (1) is provided with a second rubber block (11), the second rubber block (11) is arranged at equal intervals and is provided with a plurality of groups, and the adjacent front and back ends are two groups of the second rubber block (11) is connected with a connecting belt (12).
4. The multi-fulcrum vest bag of claim 1, wherein: joints (13) are sewn above the front end and the rear end inside the bag body (1), and two ends of the elastic band (3) are respectively sewn with the joints (13) at the two ends.
5. The multi-fulcrum vest bag of claim 1, wherein: the bottom of the bag body (1) is provided with an accessory cavity (14), the front end of the accessory cavity (14) is provided with a cavity opening (15), a cavity cover (16) is arranged on the cavity opening (15), and one end of the cavity cover (16) is connected with the side wall of the accessory cavity (14) through a magic tape (17).
6. A preparation method of a multi-supporting-point vest bag is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: preparing materials: the adhesive comprises a rubber tube, a rubber block, reinforcing fibers (10), an elastic band (3), a connecting band (12), epoxy resin viscose, silver fibers, polypropylene fibers, a polyurethane waterproof film, cotton-flax fibers, cassava powder, chitosan, wood fibers and corn starch;
step two: putting the cassava powder, the chitosan, the wood fiber and the corn starch into a reaction kettle, uniformly mixing, adding water for dilution, stirring and mixing at 125 ℃ to obtain a mixture, heating and degassing the mixture, and performing polycondensation on the mixture on an extruder by using a double-screw extruder to obtain a base material;
step three: adding cotton-flax fibers, silver fibers and polypropylene fibers into the base material, uniformly stirring to obtain a mixture, introducing the mixture into a film blowing machine to obtain a film material, placing the film material into a curing chamber, and curing for 12-15 hours at the temperature of 45-50 ℃ to obtain a base material;
step four: putting the base material into a bag making machine to make a semi-finished bag body product with required size;
step five: putting the prepared polyurethane waterproof film into a bag making machine, repeating the bag making process in the fourth step, preparing the polyurethane waterproof film into the shape same as that of the semi-finished bag body, then coating the polyurethane waterproof film and the semi-finished bag body with epoxy resin viscose by using a cold pressing and applying process, and integrally forming the polyurethane waterproof film and the semi-finished bag body to obtain a bag body (1);
step six: sewing a joint (13) in the bag body (1) through a sewing machine, then putting part of the base material into a cutting machine, cutting a first handle (2) and a second handle (4), sewing the first handle (2) at two ends of the bag body (1) through the sewing machine, then preparing a rubber tube as a sleeve (6), sewing the sleeve (6) and the second handle (4), sleeving the sleeve (6) on the elastic band (3), sewing the elastic band (3) on the joint (13), and completing multi-pivot manufacturing;
step seven: respectively cutting prepared rubber blocks into first rubber blocks (9) and second rubber blocks (11) in a cutting machine, enabling reinforcing fibers (10) to penetrate and be connected between every two first rubber blocks (9) and sewing the first rubber blocks, enabling connecting belts (12) to penetrate and be connected between every two second rubber blocks (11) and sewing the second rubber blocks, then enabling the first rubber blocks (9) to be adhered to two ends of the interior of a bag body (1) through epoxy resin adhesive, enabling the second rubber blocks (11) to be adhered to the bottom of the interior of the bag body (1) through epoxy resin adhesive, and meanwhile, sewing the reinforcing fibers (10) and the connecting belts (12) with the bag body (1) through a sewing machine;
step eight: cutting out the accessory cavity (14) by using the rest base material, digging a hole to be used as a cavity opening (15), cutting out a cavity cover (16) and connecting by using a magic tape (17), sewing the accessory cavity (14) to the bottom surface of the bag body (1), then preparing the air bag cushion (7), and adhering the air bag cushion (7) on the inner wall of the bag body (1) through epoxy resin adhesive to obtain a finished product.
7. The method of making a multi-manifold vest bag of claim 6, comprising: in the fourth step, the specific process for manufacturing the semi-finished bag body comprises the following steps: the bag making machine is characterized in that a base material is firstly unreeled, the bag making machine folds the base material, a rectangular surface is firstly folded at the front end of the bag making machine, then the rectangular surface is folded at the middle part of the bag making machine, the two rectangular surfaces are enclosed into a cylinder shape according to the required size, and then the head end and the tail end of the folding part and the cylindrical bottom end of the folding part are thermally sealed through a heat sealing knife to form a semi-finished bag body.
8. The method of making a multi-manifold vest bag of claim 6, comprising: in the fifth step, the cold pressing and applying process comprises the following specific flows: putting the semi-finished product of the bag body into a glue spreader, coating epoxy resin glue, coating glue amount of 150-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001003.7A CN112644877A (en) | 2021-01-04 | 2021-01-04 | Multi-branch vest bag and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001003.7A CN112644877A (en) | 2021-01-04 | 2021-01-04 | Multi-branch vest bag and preparation method thereof |
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| CN112644877A true CN112644877A (en) | 2021-04-13 |
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| CN202110001003.7A Pending CN112644877A (en) | 2021-01-04 | 2021-01-04 | Multi-branch vest bag and preparation method thereof |
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