CN214242195U

CN214242195U - Recoverable PET flexible container

Info

Publication number: CN214242195U
Application number: CN202022988612.XU
Authority: CN
Inventors: 徐成娟
Original assignee: Yixing Weinite Packaging Bag Co ltd
Current assignee: Yixing Weinite Packaging Bag Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-21
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to a recoverable PET flexible container, it includes PET outer bag and inner bag, is equipped with the leak protection area at the outside edge of making up of PET bag body PET bag is equipped with the suspender on one's body, the inner bag includes the bag body be equipped with feed inlet II in the middle of the bag body upper portion, the bag body is formed by PE adventitia, PET membrane and the compound of PE intima, the thickness ratio of PE adventitia, PET membrane and PE intima is (0.5-1.5): (1.8-3.5): (0.5-1.5), and a connecting valve is arranged on the feed inlet II. The utility model discloses the inner bag separation performance is good, and the connecting valve can in time be bled, can fill nitrogen when needing, can dismantle, uses reliably conveniently, prevents effectively that the outer bag from making up the limit and leaking, and the bag body is recoverable, and the suspender is wear-resisting.

Description

Recoverable PET flexible container

Technical Field

The utility model relates to a flexible container, concretely relates to PET flexible container.

Background

Compared with the small woven bags, the flexible freight bag has the characteristics of large capacity, convenience in loading and unloading, labor saving, efficiency improvement and the like. The inner bag of a common flexible freight bag is compounded by adopting a PE film and an aluminum film layer, but in the using process, the aluminum film layer is easy to generate creases or break under the action of external force, so that the barrier property of the aluminum film layer is greatly influenced, and the service life of the whole flexible freight bag is reduced; in addition, in order to reduce the risk of bag explosion, the filling speed needs to be reduced, the filling time needs to be prolonged, so that the production efficiency is obviously reduced, and nitrogen needs to be filled into the bag on some occasions to ensure the safety of bagging. The outer bag of the common flexible freight bag is sewn, the leakage of materials is easy to occur at the sewn part in the using process, and the bag body can not be recycled. In addition, the sling on the bag body is easy to be worn locally, and the overall strength is general.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the not enough among the prior art, provide an inner bag separation performance good, the connecting valve can in time bleed, can fill nitrogen when needing, can dismantle, use reliable convenient, prevent effectively that the outer bag from making up the limit and leaking, the bag body is recoverable, the wear-resisting recoverable PET flexible container of suspender.

The technical scheme is as follows: in order to solve the technical problem, the recyclable PET flexible freight bag comprises a PET outer bag and an inner bag, the PET outer bag comprises a PET bag body, a feed inlet I is arranged in the middle of the upper portion of the PET bag body, a leakage-proof belt is arranged on a sewing edge outside the PET bag body, a sling is arranged on the PET bag body and comprises a sling body, a wear-resistant sheath is arranged outside the sling body, the sling body is overlapped by a single-layer terylene woven belt to form a four-layer structure, the four-layer structure comprises a terylene woven belt layer I, a terylene woven belt layer II, a terylene woven belt layer III and a terylene woven belt layer IV, the terylene woven belt layer I and the terylene woven belt layer II are connected through sewing threads to form a connector I, the terylene woven belt layer III and the terylene woven belt layer IV are connected through sewing threads to form a connector II, the connector I and the connector II are connected through sewing threads to form a suspender body, the single-layer polyester braid is woven warp and weft yarns by a lock sideline and is connected to form, the inner bag comprises a bag body, a feed inlet II is arranged in the middle of the upper portion of the bag body, the bag body is formed by compounding a PE outer film, a PET film and a PE inner film, and the thickness ratio of the PE outer film, the PET film and the PE inner film is (0.5-1.5): (1.8-3.5): (0.5-1.5), a connecting valve is arranged on the feed inlet II, the connecting valve comprises a valve body, one end of the valve body is connected with a sleeve, one end of the sleeve is connected with a cover plate, a sealing ring is arranged at the joint of the sleeve and the cover plate, obtuse angle limiting grooves are formed in the lower portions of the two sides of the inner wall of the sleeve, a locking structure is arranged between the sleeve and the cover plate, a straight-through threaded joint is arranged on the cover plate, one end of the straight-through threaded joint is connected with a three-way threaded joint, one end of the three-way threaded joint is connected with a pressure gauge through a connecting pipe, the other end of the three-way threaded joint is connected with a double-cock type valve body, the locking structure comprises a connecting block fixedly arranged on the inner side of the cover plate, a clamping groove is formed in the upper portion of the connecting block, an elastic extrusion sleeve is fixedly connected to the inner surface of the clamping groove, and a clamping assembly is arranged in the elastic extrusion sleeve, the clamping assembly is connected with the side wall of the sleeve.

Further, the PET bag body is a recyclable PET bag body.

Further, the leakage-proof belt is a recyclable PET belt.

Further, the thickness ratio of the PE outer film, the PET film, and the PE inner film is 0.7: 2.8: 0.7.

further, the chucking subassembly includes first expansion plate, one side of first expansion plate is fixed in one side of telescopic inner wall, the bottom sliding connection of first expansion plate has the second expansion plate, one side fixedly connected with movable block of second expansion plate, the bottom fixedly connected with L template of movable block, one side fixedly connected with chucking pole of L template, one side fixedly connected with threaded block of movable block, the internal thread of threaded block is connected with the lead screw, the one end of lead screw is run through the sleeve and is extended to telescopic outside, the lead screw extends to telescopic outside one end is provided with rotatory piece, one side of rotatory piece is provided with the seal cover, hexagonal nut groove in the opposite side of rotatory piece has been seted up.

Further, the sealing ring is divided into a sealing ring I and a sealing ring II.

The utility model discloses in, use with other valve cooperations as required.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model discloses overall structure sets up rationally, outer bag body adopts recoverable PET to make, recycle, green, adopt recoverable PET leak-proof belt, can prevent effectively that the material of making up the limit from leaking, clean health, be equipped with the suspender on the bag body, set up wear-resisting sheath outside the suspender body, the wear resistance at this position has greatly been improved, the suspender body superposes into four-layer structure by single-layer dacron meshbelt, this four-layer structure divide into dacron meshbelt layer I, dacron meshbelt layer II, dacron meshbelt layer III and dacron meshbelt layer IV, dacron meshbelt layer I and dacron meshbelt layer II link to each other through the sewing thread and constitute connector I, dacron meshbelt layer III and dacron meshbelt layer IV link to each other through the sewing thread and constitute connector II, connector I and connector II link to each other through the sewing thread and constitute the suspender body, good connectivity, use strength is high; the inner bag body is formed by co-extruding three layers of a PE outer film, a PET film and a PE inner film, the PET film has no ductility, the bag body is straight and square, the barrier property is good, a connecting valve is adopted, one end of a double-fork cock valve body is opened, the other end of the double-fork cock valve body is closed when air is pumped, the valve body is placed in an open state, one end of the double-fork cock valve body is connected with an air pumping device, and air in the bag is pumped out in time; when filling nitrogen, firstly pumping out gas in the bag through one end of the double-fork cock valve body, and then slowly filling clean nitrogen into the bag through the other end of the double-fork cock valve body; through the setting of chucking subassembly, the apron part after the convenient bagging-off is dismantled, also can improve the leakproofness of sleeve and apron simultaneously, and this product uses reliably.

Drawings

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

FIG. 2 is a schematic view of the structure of the sling of the present invention;

FIG. 3 is a schematic view of the layered structure of the sling body of the present invention;

fig. 4 is a schematic structural view of the inner bag of the present invention;

FIG. 5 is a schematic view of the layered structure of the bag body of the present invention;

FIG. 6 is a schematic view of the connecting valve of the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 6.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5, FIG. 6 and FIG. 7, the recyclable PET bulk bag of the present invention comprises a PET outer bag and an inner bag, the PET outer bag comprises a PET bag body 1, the PET bag body 1 is a recyclable PET bag body, a feed inlet I2 is arranged in the middle of the upper portion of the PET bag body 1, a leakage-proof belt 3 is arranged on the outer sewing edge of the PET bag body 1, the leakage-proof belt 3 is a recyclable PET belt, a hanging belt 4 is arranged on the PET bag body 1, the hanging belt 4 comprises a hanging belt body 5, a wear-resistant sheath 6 is arranged outside the hanging belt body 5, the hanging belt body 5 is of a single-layer terylene webbing overlapping type structure, the four-layer structure is divided into a terylene webbing layer I7, a terylene webbing layer II 8, a terylene webbing layer III and a terylene webbing layer IV 10, the terylene webbing layer I7 and the terylene webbing layer II 8 are connected by a sewing thread to form a connector I11, the terylene tape layer III 9 and the terylene tape layer IV 10 are connected through sewing threads to form a connector II 12, the connector I11 and the connector II 12 are connected through sewing threads to form a sling body 5, the single-layer terylene tape is formed by weaving and connecting warp yarns and weft yarns through lock lines, the inner bag comprises a bag body 13, a feed inlet II 14 is arranged in the middle of the upper part of the bag body 13, the bag body 13 is formed by compounding a PE outer membrane 15, a PET membrane 16 and a PE inner membrane 17, and the thickness ratio of the PE outer membrane 15 to the PET membrane 16 to the PE inner membrane 17 is (0.5-1.5): (1.8-3.5): (0.5-1.5), a connecting valve 18 is arranged on the feed inlet II 14, the connecting valve 18 comprises a valve body 19, one end of the valve body 19 is connected with a sleeve 20, one end of the sleeve 20 is connected with a cover plate 21, a sealing ring is arranged at the joint of the sleeve 20 and the cover plate 21, obtuse angle limiting grooves 22 are formed in the lower portions of two sides of the inner wall of the sleeve 20, a locking structure is arranged between the sleeve 20 and the cover plate 21, a through threaded joint 23 is arranged on the cover plate 21, one end of the through threaded joint 23 is connected with a three-way threaded joint 24, one end of the three-way threaded joint 24 is connected with a pressure gauge 25 through a connecting pipe, the other end of the three-way threaded joint 24 is connected with a double-fork type cock valve body 26, the locking structure comprises a connecting block 27 fixedly arranged on the inner side of the cover plate 21, a clamping groove 28 is arranged on the upper portion of the connecting block 27, and an elastic extrusion sleeve 29 is fixedly connected to the inner surface of the clamping groove 28, a clamping assembly is arranged in the elastic extrusion sleeve 29 and is connected with the side wall of the sleeve 20, the clamping assembly comprises a first expansion plate 30, one side of the first expansion plate 30 is fixed on one side of the inner wall of the sleeve 20, the bottom of the first expansion plate 30 is connected with a second expansion plate 31 in a sliding manner, one side of the second expansion plate 31 is fixedly connected with a moving block 32, the bottom of the moving block 32 is fixedly connected with an L-shaped plate 33, one side of the L-shaped plate 33 is fixedly connected with a clamping rod 34, one side of the moving block 32 is fixedly connected with a threaded block 35, the inner thread of the threaded block 35 is connected with a lead screw 36, one end of the lead screw 36 penetrates through the sleeve 20 and extends to the outside of the sleeve 20, one end of the lead screw 36 extending to the outside of the sleeve 20 is provided with a rotating block 37, and one side of the rotating block 37 is provided with a sealing sleeve 38, and the other side of the rotating block 37 is provided with an inner hexagonal nut groove 39, and the sealing ring is divided into a sealing ring I40 and a sealing ring II 41. The utility model discloses overall structure sets up rationally, outer bag body adopts recoverable PET to make, recycle, green, adopt recoverable PET leak-proof belt, can prevent effectively that the material of making up the limit from leaking, clean health, be equipped with the suspender on the bag body, set up wear-resisting sheath outside the suspender body, the wear resistance at this position has greatly been improved, the suspender body superposes into four-layer structure by single-layer dacron meshbelt, this four-layer structure divide into dacron meshbelt layer I, dacron meshbelt layer II, dacron meshbelt layer III and dacron meshbelt layer IV, dacron meshbelt layer I and dacron meshbelt layer II link to each other through the sewing thread and constitute connector I, dacron meshbelt layer III and dacron meshbelt layer IV link to each other through the sewing thread and constitute connector II, connector I and connector II link to each other through the sewing thread and constitute the suspender body, good connectivity, use strength is high; the inner bag body is formed by co-extruding three layers of a PE outer film, a PET film and a PE inner film, the PET film has no ductility, the bag body is straight and square, the barrier property is good, a connecting valve is adopted, one end of a double-fork cock valve body is opened, the other end of the double-fork cock valve body is closed when air is pumped, the valve body is placed in an open state, one end of the double-fork cock valve body is connected with an air pumping device, and air in the bag is pumped out in time; when filling nitrogen, firstly pumping out gas in the bag through one end of the double-fork cock valve body, and then slowly filling clean nitrogen into the bag through the other end of the double-fork cock valve body; through the setting of chucking subassembly, the apron part after the convenient bagging-off is dismantled, also can improve the leakproofness of sleeve and apron simultaneously, and this product uses reliably.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims

1. Recoverable PET flexible container, its characterized in that: the PET outer bag comprises a PET bag body (1), a feeding hole I (2) is formed in the middle of the upper portion of the PET bag body (1), a leakage-proof belt (3) is arranged on a sewing edge outside the PET bag body (1), a hanging belt (4) is arranged on the PET bag body (1), the hanging belt (4) comprises a hanging belt body (5), a wear-resistant sheath (6) is arranged outside the hanging belt body (5), the hanging belt body (5) is overlapped into a four-layer structure by a single-layer terylene woven belt, the four-layer structure comprises a terylene woven belt layer I (7), a terylene woven belt layer II (8), a terylene woven belt layer III (9) and a terylene woven belt layer IV (10), the terylene woven belt I (7) and the terylene woven belt layer II (8) are connected through sewing threads to form a connector I (11), the terylene woven belt layer III (9) and the terylene woven belt layer (10) are connected through sewing threads to form a connector II (12), connector I (11) and connector II (12) link to each other through the sewing thread and constitute suspender body (5), the individual layer dacron meshbelt is woven warp and woof by the lockstitch line and is connected and form, the inner bag includes bag body (13) be equipped with feed inlet II (14) in the middle of bag body (13) upper portion, bag body (13) are formed by PE adventitia (15), PET membrane (16) and PE intima (17) complex, the thickness ratio of PE adventitia (15), PET membrane (16) and PE intima (17) is (0.5-1.5): (1.8-3.5): (0.5-1.5), a connecting valve (18) is arranged on the feed inlet II (14), the connecting valve (18) comprises a valve body (19), a sleeve (20) is connected to one end of the valve body (19), a cover plate (21) is connected to one end of the sleeve (20), a sealing ring is arranged at the joint of the sleeve (20) and the cover plate (21), obtuse angle limiting grooves (22) are formed in the lower portions of the two sides of the inner wall of the sleeve (20), a locking structure is arranged between the sleeve (20) and the cover plate (21), a through threaded joint (23) is arranged on the cover plate (21), one end of the through threaded joint (23) is connected with a three-way threaded joint (24), one end of the three-way threaded joint (24) is connected with a pressure gauge (25) through a connecting pipe, and the other end of the three-way threaded joint (24) is connected with a double-fork cock body (26), the locking structure comprises a connecting block (27) fixedly arranged on the inner side of a cover plate (21), wherein a clamping groove (28) is formed in the upper portion of the connecting block (27), an elastic extrusion sleeve (29) is fixedly connected to the inner surface of the clamping groove (28), a clamping assembly is arranged in the elastic extrusion sleeve (29), and the clamping assembly is connected with the side wall of the sleeve (20).

2. The recyclable PET bulk bag as defined in claim 1, wherein: the PET bag body (1) is a recyclable PET bag body.

3. The recyclable PET bulk bag as defined in claim 1, wherein: the leakage-proof belt (3) is a recyclable PET belt.

4. The recyclable PET bulk bag as defined in claim 1, wherein: the thickness ratio of the PE outer film (15), the PET film (16) and the PE inner film (17) is 0.7: 2.8: 0.7.

5. the recyclable PET bulk bag as defined in claim 1, wherein: the clamping assembly comprises a first expansion plate (30), one side of the first expansion plate (30) is fixed on one side of the inner wall of the sleeve (20), the bottom of the first expansion plate (30) is connected with a second expansion plate (31) in a sliding mode, one side of the second expansion plate (31) is fixedly connected with a moving block (32), the bottom of the moving block (32) is fixedly connected with an L-shaped plate (33), one side of the L-shaped plate (33) is fixedly connected with a clamping rod (34), one side of the moving block (32) is fixedly connected with a threaded block (35), the inner portion of the threaded block (35) is in threaded connection with a lead screw (36), one end of the lead screw (36) penetrates through the sleeve (20) and extends to the outer portion of the sleeve (20), and one end of the lead screw (36) extending to the outer portion of the sleeve (20) is provided with a rotating block (37), one side of the rotating block (37) is provided with a sealing sleeve (38), and the other side of the rotating block (37) is provided with an inner hexagonal nut groove (39).

6. The recyclable PET bulk bag as defined in claim 1, wherein: the sealing ring is divided into a sealing ring I (40) and a sealing ring II (41).