阅读说明：本技术 一种具有抽真空装置的集装袋及其制作方法 (Flexible freight bag with vacuumizing device and manufacturing method thereof ) 是由 余青松 郭秀忠 于 2021-03-29 设计创作，主要内容包括：本发明涉及集装袋技术领域,且公开了一种具有抽真空装置的集装袋及其制作方法,解决了目前集装袋承载力较差易破损,以及防冲击效果较差的问题,其包括袋体,所述袋体上端中部连接有封口套,袋体四角相邻边之间均连接有吊带,袋体上端一侧嵌装有抽气阀,袋体上部连接有上加强带,袋体下部连接有下加强带,本发明,袋体在装载物品吊装时,由于上加强带叠加缝制于吊带外部,使得吊带承受力强,同时,上加强带、下加强带和中间加强带的设置,使得袋体外部强度增加,不易损坏,承载力好；袋体底部呈十字托底状,不易损坏,提高了袋体底部承载力,承载力高,不易破损；袋体坠落可起到保护效果,防冲击效果好。(The invention relates to the technical field of flexible freight bags, and discloses a flexible freight bag with a vacuumizing device and a manufacturing method thereof, which solve the problems of poor bearing capacity, easy damage and poor impact resistance of the conventional flexible freight bag and comprises a bag body, wherein the middle part of the upper end of the bag body is connected with a sealing sleeve; the bottom of the bag body is in a cross-shaped bottom supporting shape, so that the bag body is not easy to damage, the bearing capacity of the bottom of the bag body is improved, the bearing capacity is high, and the bag body is not easy to damage; the bag body falls and can play the protection effect, and the protecting against shock is effectual.)

1. A flexible container with evacuating device, includes bag body (1), its characterized in that: the middle part of the upper end of the bag body (1) is connected with a sealing sleeve (2), hanging strips (3) are connected between adjacent edges of four corners of the bag body (1), an air extraction valve (4) is embedded in one side of the upper end of the bag body (1), the upper part of the bag body (1) is connected with an upper reinforcing strip (5), the lower part of the bag body (1) is connected with a lower reinforcing strip (6), a middle reinforcing strip (7) is uniformly connected between the outer end of the bag body (1) and the upper reinforcing strip (5) relative to the lower reinforcing strip (6), the middle part of the lower end of the bag body (1) is connected with an annular reinforcing strip (8), the lower end of the annular reinforcing strip (8) is in cross connection with a diagonal reinforcing strip (9), and;

the lower end of the bag body (1) is connected with a base (12), a mounting cavity (13) is formed in the base (12), a driving part (14) is connected in the mounting cavity (13), the lower end of the driving part (14) is connected with a shock-proof assembly (15), the shock-proof assembly (15) comprises an upper shell (1501), a lower shell (1502) is connected in the upper shell (1501) in a sliding mode, the lower end of the lower shell (1502) is connected with a bottom plate (1503), the middle part of the upper shell (1501) is rotatably connected with a gear (1505) through a rotating shaft (1504), one end of the gear (1505) is meshed with a first rack plate (1506), the first rack plate (1505) is connected with the lower end in the lower shell (1502), one end of the gear (1505) far away from the first rack plate (1506) is meshed with a second rack plate (1507), the second rack plate (1507) is connected with the upper end in the upper shell (1501), guide holes (1508), inside equal sliding connection of two guiding holes (1508) has guide bar (1509), two guide bar (1509) are connected with casing (1502) inside lower extreme and last casing (1501) inside upper end down respectively, and two guide bar (1509) outside all overlaps and be equipped with first spring (1510), casing (1502) inside lower extreme both sides all are connected with branch (1511) down, two branch (1511) outside equal sliding connection have buffer block (1512), two buffer block (1512) lower extreme all overlaps for two branch (1511) lower parts and is equipped with second spring (1513), two buffer block (1512) one end all rotates and is connected with connecting rod (1514), two connecting rod (1514) rotate with first rack plate (1506) second rack plate (1507) respectively and are connected.

2. A bulk bag having an evacuation device as claimed in claim 1, wherein: the utility model discloses a bag body, including bag body (1), bag body (1) one end upper portion is connected with label bag (11), label bag (11) include bottom surface layer (1101), superficial layer (1102), recess (1103), banding (1104) and magic subsides (1105), and bottom surface layer (1101) one end is connected with superficial layer (1102), and recess (1103) are seted up in superficial layer (1102) upper end middle part, and bottom surface layer (1101) upper end is connected with banding (1104), and banding (1104) and superficial layer (1102) one end all are connected with magic subsides (1105).

3. A bulk bag having an evacuation device as claimed in claim 2, wherein: the label bag (11) is made of transparent flexible materials, and the label bag (11) is bonded with the bag body (1) through double-sided adhesive tape.

4. A bulk bag having an evacuation device as claimed in claim 1, wherein: the outer end of the sealing sleeve (2) is connected with a tying rope which is convenient to tighten.

5. A bulk bag having an evacuation device as claimed in claim 1, wherein: the driving piece (14) comprises a motor (1401), the output end of the motor (1401) is connected with a lead screw (1402), the upper end of the lead screw (1402) is symmetrically connected with moving blocks (1403), the lower ends of the two moving blocks (1403) are connected with supporting rods (1404) in a rotating mode, and the lower ends of the supporting rods (1404) are connected with the upper end of the base (12) in a rotating mode.

6. A bulk bag with an evacuation device according to claim 5, wherein: the outer end threads of the screw rod (1402) are arranged at symmetrical angles relative to the middle of the base (12), and two sides of the outer end of the screw rod (1402) are connected with the stop blocks (16).

7. A bulk bag having an evacuation device as claimed in claim 1, wherein: the number of the diagonal reinforcing belts (9) is two, the two diagonal reinforcing belts (9) are arranged in a cross-shaped structure, and the outer ends of the two diagonal reinforcing belts (9) are respectively arranged with the corresponding corner reinforcing belts (10) in an integrated structure.

8. A method for manufacturing a flexible freight bag with a vacuum-pumping device comprises the following steps: step one, sewing a hanging strip (3); step two, sewing the upper, middle and lower reinforcing belts; step three, sewing the annular reinforcing belt (8); fourthly, sewing the diagonal and corner reinforcing belts; fifthly, sewing the sealing sleeve (2); the method is characterized in that:

in the first step, the four hanging strips (3) are respectively sewn by a flexible freight bag sewing machine, and when the four hanging strips (3) are sewn, the two ends of each hanging strip (3) are respectively arranged at the upper parts of the two adjacent sides of the bag body (1);

in the second step, after the four hanging strips (3) are sewn, the upper reinforcing strip (5) is firstly placed on the upper portion of the bag body (1) to be sewn, the head and the tail ends of the upper reinforcing strip (5) are enabled to correspond, the upper reinforcing strip (5) is overlapped outside the four hanging strips (3), then the lower reinforcing strip (6) is placed on the lower portion of the bag body (1) to be sewn, the head and the tail ends of the lower reinforcing strip (6) are enabled to correspond, and then a plurality of middle reinforcing strips (7) are sewn at uniform intervals according to the intervals between the upper reinforcing strip (5) and the lower reinforcing strip (6), and the head and the tail ends of the middle reinforcing strips (7) are enabled to correspond;

in the third step, according to the area of the bottom of the bag body (1), the annular reinforcing belt (8) with proper diameter is placed in the center of the bottom of the bag body (1) for sewing;

in the fourth step, after the annular reinforcing belts (8) are sewn, one diagonal reinforcing belt (9) is sewn along the diagonal of the bag body (1), the corner reinforcing belts (10) of the extension sections at the two sides of the diagonal reinforcing belt (9) are respectively sewn at the corresponding corners of the bag body (1), then the other diagonal reinforcing belt (9) is overlapped and sewn at the bottom of the bag body (1), and the two corner reinforcing belts (10) of the extension sections at the two ends of the diagonal reinforcing belt are sewn at the other two corresponding corners of the bag body (1);

in the fifth step, the sealing sleeve (2) is sewn in the middle of the upper end of the bag body (1).

9. A method of making a bulk bag having an evacuation device as claimed in claim 2, wherein: in the fourth step, the upper ends of the corner reinforcing belts (10) at the two ends of the two diagonal reinforcing belts (9) are flush with the upper end of the bag body (1).

Technical Field

The invention belongs to the technical field of flexible freight bags, and particularly relates to a flexible freight bag with a vacuumizing device and a manufacturing method thereof.

Background

The flexible container bag is a flexible container bag, also called large bag and ton packaging bag, is a large-volume transport bag made of foldable rubberized fabric, resin processing fabric and other flexible materials, and is widely used for transporting and packaging powdery, granular and blocky articles such as food, cereal, medicine, chemical industry, mineral products and the like.

The connection between current flexible container and its outer end connection's suspender is firm inadequately, easily takes place the fracture damage when hoist and mount, and bag body bearing capacity is relatively poor, and flexible container bottom bearing capacity is relatively poor, and when bearing heavier article, the bottom fragile causes article to drop, and flexible container protecting against shock effect is relatively poor when falling.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the flexible freight bag with the vacuumizing device, and the problems that the conventional flexible freight bag is poor in bearing capacity, easy to damage and poor in impact prevention effect are effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: a flexible container with a vacuumizing device comprises a bag body, wherein a sealing sleeve is connected to the middle of the upper end of the bag body, hanging belts are connected between adjacent edges of four corners of the bag body, an air exhaust valve is embedded in one side of the upper end of the bag body, an upper reinforcing belt is connected to the upper portion of the bag body, a lower reinforcing belt is connected to the lower portion of the bag body, a middle reinforcing belt is uniformly connected between the outer end of the bag body and the upper reinforcing belt, an annular reinforcing belt is connected to the middle of the lower end of the bag body, a diagonal reinforcing belt is connected to the lower end of the annular reinforcing belt in a crossed manner;

the lower end of the bag body is connected with a base, an installation cavity is arranged in the base, a driving piece is connected in the installation cavity, the lower end of the driving piece is connected with a shock-proof component, the shock-proof component comprises an upper shell, a lower shell is connected in the upper shell in a sliding manner, the lower end of the lower shell is connected with a bottom plate, the middle part of the upper shell is connected with a gear in a rotating manner through a rotating shaft, one end of the gear is meshed with a first rack plate, the first rack plate is connected with the lower end of the inner part of the lower shell, one end of the gear far away from the first rack plate is meshed with a second rack plate, the second rack plate is connected with the upper end of the inner part of the upper shell, guide holes are respectively arranged in the first rack plate and the second rack plate, guide rods are respectively connected in the two guide holes in a sliding manner, the, the outer portions of the two supporting rods are connected with buffering blocks in a sliding mode, the lower ends of the two buffering blocks are provided with second springs in a sleeved mode relative to the lower portions of the two supporting rods, one ends of the two buffering blocks are connected with connecting rods in a rotating mode, and the two connecting rods are connected with the second rack plates of the first rack plate in a rotating mode respectively.

According to the technical scheme, bag body one end upper portion is connected with the label bag, and the label bag includes bottom surface layer, superficial layer, recess, banding and magic subsides, and bottom surface layer one end is connected with the superficial layer, and superficial layer upper end middle part is seted up flutedly, and the bottom surface layer upper end is connected with the banding, and banding and superficial layer one end all are connected with the magic subsides.

According to the technical scheme, the label bag is made of transparent flexible materials, and the label bag is bonded with the bag body through double-sided adhesive tapes.

According to the technical scheme, the outer end of the sealing sleeve is connected with a tying rope which is convenient to tighten.

According to the technical scheme, the driving piece comprises a motor, the output end of the motor is connected with a lead screw, the upper end of the lead screw is symmetrically connected with moving blocks, the lower ends of the two moving blocks are rotatably connected with supporting rods, and the lower ends of the supporting rods are rotatably connected with the upper end of the base.

According to the technical scheme, the outer end threads of the screw rod are symmetrically arranged at an angle relative to the middle of the base, and the two sides of the outer end of the screw rod are both connected with the check blocks.

According to the technical scheme, the number of the diagonal reinforcing belts is two, the two diagonal reinforcing belts are arranged in a cross-shaped structure, and the outer ends of the two diagonal reinforcing belts are respectively arranged with the corresponding corner reinforcing belts in an integrated structure.

A method for manufacturing a flexible freight bag with a vacuum-pumping device comprises the following steps: step one, sewing a hanging strip; step two, sewing the upper, middle and lower reinforcing belts; step three, sewing the annular reinforcing belt; fourthly, sewing the diagonal and corner reinforcing belts; fifthly, sewing a sealing sleeve;

in the first step, the four hanging strips are respectively sewn by a flexible freight bag sewing machine, and when the four hanging strips are sewn, the two ends of each hanging strip are respectively arranged on the upper parts of the two adjacent sides of the bag body;

in the second step, after the four hanging strips are sewn, the upper reinforcing band is firstly placed on the upper portion of the bag body to be sewn, so that the head and the tail ends of the upper reinforcing band correspond to each other, the upper reinforcing band is overlapped outside the four hanging strips, then the lower reinforcing band is placed on the lower portion of the bag body to be sewn, so that the head and the tail ends of the lower reinforcing band correspond to each other, and then a plurality of middle reinforcing bands are sewn at equal intervals according to the intervals between the upper reinforcing band and the lower reinforcing band, so that the head and the tail ends of the middle reinforcing bands correspond to;

in the third step, according to the area of the bottom of the bag body, the annular reinforcing belt with proper diameter is placed in the center of the bottom of the bag body for sewing;

in the fourth step, after the annular reinforcing belts are sewn, one diagonal reinforcing belt is sewn along the diagonal of the bag body, the corner reinforcing belts of the extension sections at the two sides of the diagonal reinforcing belt are respectively sewn at the corresponding corners of the bag body, then the other diagonal reinforcing belt is overlapped and sewn at the bottom of the bag body, and the two corner reinforcing belts of the extension sections at the two ends of the diagonal reinforcing belt are sewn at the other two corresponding corners of the bag body;

in the fifth step, the sealing sleeve is sewn in the middle of the upper end of the bag body.

According to the technical scheme, in the fourth step, the upper ends of the corner reinforcing belts at the two ends of the two diagonal reinforcing belts are flush with the upper end of the bag body.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the upper reinforcing band, the lower reinforcing band and the middle reinforcing band are arranged at the outer end of the bag body, and the sling structures are arranged at the adjacent edges, so that when the bag body is loaded and hoisted, the sling is strong in bearing capacity because the upper reinforcing band is overlapped and sewn outside the sling, and meanwhile, the arrangement of the upper reinforcing band, the lower reinforcing band and the middle reinforcing band increases the external strength of the bag body, is not easy to damage and has good bearing capacity;

(2) the bottom of the bag body is in a cross-shaped bottom supporting shape through the annular reinforcing belts, the diagonal reinforcing belts and the corner reinforcing belts, so that the bag body is not easy to damage, the bearing capacity of the bottom of the bag body is improved, the bearing capacity is high, and the bag body is not easy to damage;

(3) through the arrangement of the air extraction valve, air in the bag body can be conveniently extracted by using the air extraction pump, so that the bag is prevented from being blown when articles are loaded, and the occupied space is reduced;

(4) through the arrangement of the base, the mounting cavity, the driving piece and the anti-impact component, when the bag body is suspended, the anti-impact component is extended out of the base by the driving piece, so that the bag body can play a role in protecting when falling, the anti-impact effect is good, and when the bag body is placed on the ground in a standing mode, the anti-impact component is retracted into the mounting cavity in the base through the driving piece;

(5) compare in current directly write material information in the mode on bag body surface, through filling in material information paper and place the label bag in, and the label bag is the transparence, conveniently sees out material information directly perceived, and the effectual bag body surface painting of having avoided simultaneously influences beautifully, and in addition, the label bag is got and is traded the label paper convenience.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the connection structure of the endless reinforcing belt of the present invention;

FIG. 3 is a schematic view of the internal structure of the base of the present invention

FIG. 4 is a schematic view of the structure of the impingement assembly of the present invention

FIG. 5 is a schematic view of the construction of a label bag according to the present invention;

FIG. 6 is a flow chart illustrating the fabrication of the present invention;

in the figure: 1. a bag body; 2. sealing the sleeve; 3. a sling; 4. an air extraction valve; 5. an upper reinforcing band; 6. a lower reinforcing band; 7. a middle reinforcing band; 8. an annular reinforcing band; 9. a diagonal reinforcement band; 10. a corner reinforcing band; 11. a label bag; 1101. a bottom surface layer; 1102. a surface layer; 1103. a groove; 1104. sealing edges; 1105. magic tape; 12. a base; 13. a mounting cavity; 14. a drive member; 1401. a motor; 1402. a screw rod; 1403. a moving block; 1404. a support bar; 15. an anti-impingement assembly; 1501. an upper housing; 1502. a lower housing; 1503. a base plate; 1504. a rotating shaft; 1505. a gear; 1506. a first rack plate; 1507. a second rack plate; 1508. a guide hole; 1509. a guide bar; 1510. a first spring; 1511. a strut; 1512. a buffer block; 1513. a second spring; 1514. a connecting rod; 16. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-6, the bag comprises a bag body 1, wherein a sealing sleeve 2 is connected to the middle of the upper end of the bag body 1, hanging strips 3 are connected between adjacent edges of four corners of the bag body 1, an air extraction valve 4 is embedded on one side of the upper end of the bag body 1, an upper reinforcing strip 5 is connected to the upper portion of the bag body 1, a lower reinforcing strip 6 is connected to the lower portion of the bag body 1, a middle reinforcing strip 7 is uniformly connected between the outer end of the bag body 1 and the upper reinforcing strip 5 relative to the lower reinforcing strip 6, an annular reinforcing strip 8 is connected to the middle of the lower end of the bag body 1, a diagonal reinforcing strip 9 is connected to the lower end of the annular reinforcing;

the lower end of the bag body 1 is connected with a base 12, a mounting cavity 13 is arranged in the base 12, a driving part 14 is connected in the mounting cavity 13, the lower end of the driving part 14 is connected with a shock-proof assembly 15, the shock-proof assembly 15 comprises an upper shell 1501, a lower shell 1502 is connected in the upper shell 1501 in a sliding manner, a bottom plate 1503 is connected at the lower end of the lower shell 1502, a gear 1505 is rotatably connected in the middle of the upper shell 1501 through a rotating shaft 1504, one end of the gear 1505 is connected with a first rack plate 1506 in a meshing manner, the first rack plate 1506 is connected with the lower end of the lower shell 1502, one end of the gear 1505 far away from the first rack plate 1506 is connected with a second rack plate 1507 in a meshing manner, the second rack plate 1507 is connected with the upper end of the upper shell 1501, guide holes 1508 are respectively arranged in the first rack plate 1506 and the second rack plate 1507, guide rods 1509 are, and two outside all the covers of guide bar 1509 are equipped with first spring 1510, and the inside lower extreme both sides of lower casing 1502 all are connected with branch 1511, and two outside all sliding connection of branch 1511 have buffer block 1512, and two buffer block 1512 lower extremes all overlap for two branch 1511 lower parts and are equipped with second spring 1513, and two buffer block 1512 one end all rotate and are connected with connecting rod 1514, and two connecting rods 1514 rotate with the rotation of the second rack board 1507 of first rack plate 1506 respectively and are connected.

According to the technical scheme, the label bag 11 is connected to the upper portion of one end of the bag body 1, the label bag 11 comprises a bottom surface layer 1101, a surface layer 1102, a groove 1103, a sealing edge 1104 and a magic tape 1105, the surface layer 1102 is connected to one end of the bottom surface layer 1101, the groove 1103 is formed in the middle of the upper end of the surface layer 1102, the sealing edge 1104 is connected to the upper end of the bottom surface layer 1101, and the magic tape 1105 is connected to one ends of the sealing edge 1104 and.

According to the technical scheme, the label bag 11 is made of transparent flexible materials, and the label bag 11 and the bag body 1 are bonded through double-sided adhesive tapes.

According to the technical scheme, the outer end of the sealing sleeve 2 is connected with a tying rope which is convenient to tighten.

According to the technical scheme, the driving part 14 comprises a motor 1401, the output end of the motor 1401 is connected with a lead screw 1402, the upper ends of the lead screw 1402 are symmetrically connected with moving blocks 1403, the lower ends of the two moving blocks 1403 are rotatably connected with supporting rods 1404, and the lower ends of the supporting rods 1404 are rotatably connected with the upper end of the base 12.

According to the technical scheme, the threads at the outer end of the screw rod 1402 are arranged at symmetrical angles relative to the middle of the base 12, and the two sides of the outer end of the screw rod 1402 are connected with the stoppers 16.

According to the technical scheme, the number of the diagonal reinforcing belts 9 is two, the two diagonal reinforcing belts 9 are arranged in a cross-shaped structure, and the outer ends of the two diagonal reinforcing belts 9 are respectively arranged with the corresponding corner reinforcing belts 10 in an integrated structure.

A method for manufacturing a flexible freight bag with a vacuum-pumping device comprises the following steps: step one, sewing a hanging strip 3; step two, sewing the upper, middle and lower reinforcing belts; step three, sewing the annular reinforcing belt 8; fourthly, sewing the diagonal and corner reinforcing belts; fifthly, sewing the sealing sleeve 2;

in the first step, the four hanging strips 3 are respectively sewn by a flexible freight bag sewing machine, and when the four hanging strips 3 are sewn, the two ends of each hanging strip 3 are respectively arranged at the upper parts of the two adjacent sides of the bag body 1;

in the second step, after the four hanging strips 3 are sewn, the upper reinforcing strip 5 is firstly placed on the upper portion of the bag body 1 to be sewn, so that the head and the tail ends of the upper reinforcing strip 5 correspond to each other, the upper reinforcing strip 5 is overlapped outside the four hanging strips 3, then the lower reinforcing strip 6 is placed on the lower portion of the bag body 1 to be sewn, so that the head and the tail ends of the lower reinforcing strip 6 correspond to each other, and then a plurality of middle reinforcing strips 7 are sewn uniformly and equidistantly according to the distance between the upper reinforcing strip 5 and the lower reinforcing strip 6, so that the head and the tail ends of the middle reinforcing strips 7 correspond to;

in the third step, according to the area of the bottom of the bag body 1, the annular reinforcing band 8 with proper diameter is placed in the center of the bottom of the bag body 1 for sewing;

in the fourth step, after the annular reinforcing belts 8 are sewn, one diagonal reinforcing belt 9 is sewn along the diagonal of the bag body 1, the corner reinforcing belts 10 of the extension sections at two sides of the diagonal reinforcing belt 9 are respectively sewn at the corresponding corners of the bag body 1, then the other diagonal reinforcing belt 9 is overlapped and sewn at the bottom of the bag body 1, and the two corner reinforcing belts 10 of the extension sections at two ends of the diagonal reinforcing belt are sewn at the other two corresponding corners of the bag body 1;

in the fifth step, the sealing sleeve 2 is sewed in the middle of the upper end of the bag body 1.

According to the technical scheme, in the fourth step, the upper ends of the corner reinforcing belts 10 at the two ends of the two diagonal reinforcing belts 9 are flush with the upper end of the bag body 1.

The working principle is as follows: during manufacturing, the four hanging strips 3 are respectively sewn by a flexible freight bag sewing machine, and during sewing, two ends of each hanging strip 3 are respectively arranged at the upper parts of two adjacent sides of the bag body 1; after the four hanging strips 3 are sewn, firstly, the upper reinforcing strips 5 are placed on the upper portion of the bag body 1 to be sewn, so that the head ends and the tail ends of the upper reinforcing strips 5 correspond to each other, the upper reinforcing strips 5 are overlapped outside the four hanging strips 3, then, the lower reinforcing strips 6 are placed on the lower portion of the bag body 1 to be sewn, so that the head ends and the tail ends of the lower reinforcing strips 6 correspond to each other, and then, a plurality of middle reinforcing strips 7 are sewn uniformly and equidistantly according to the space between the upper reinforcing strips 5 and the lower reinforcing strips 6, so that the head ends and the tail ends; according to the area of the bottom of the bag body 1, an annular reinforcing band 8 with a proper diameter is placed in the center of the bottom of the bag body 1 for sewing; after the annular reinforcing belts 8 are sewn, one diagonal reinforcing belt 9 is sewn along the diagonal of the bag body 1, the corner reinforcing belts 10 of the extension sections at two sides of the diagonal reinforcing belt 9 are respectively sewn at the corresponding corners of the bag body 1, then the other diagonal reinforcing belt 9 is overlapped and sewn at the bottom of the bag body 1, and the two corner reinforcing belts 10 of the extension sections at two ends of the diagonal reinforcing belt are sewn at the corners of the other two corresponding bag bodies 1; finally, sewing the sealing sleeve 2 in the middle of the upper end of the bag body 1; when the bag body 1 is suspended, the motor 1401 of the driving part 14 drives the screw rod 1402 to rotate, so that the two moving blocks 1403 move outwards in opposite directions, the supporting rod 1404 gradually drives the anti-impact component 15 to extend out of the base 12, when the bag body 1 falls, the bottom plate 1503 drives the lower shell 1502 to move upwards, the first rack plate 1506 and the second rack plate 1507 are respectively meshed with each other on two sides of the gear 1505, at the moment, the two guide rods 1509 are respectively contracted into the two guide holes 1508, the first spring 1510 is compressed under stress, meanwhile, under the driving of the two connecting rods 1514, the buffer block 1512 extrudes the second spring 1513 to be compressed, buffering is performed under the action of the first spring 1510 and the second spring 1513, a protection effect can be achieved, and when the bag body 1 is placed on the ground, the anti-impact component 15 is contracted into the installation cavity 13 in the base 12 through the driving part 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.