CN215972944U

CN215972944U - Liquid packaging bag filling opening with anti-theft structure

Info

Publication number: CN215972944U
Application number: CN202122600147.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Kelin Intelligent Manufacturing Tianjin Co ltd
Current assignee: Kelin Intelligent Manufacturing Tianjin Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-08
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a liquid packaging bag filling opening with an anti-theft structure, which comprises a valve seat and a valve cover in threaded connection with the valve seat, wherein a bottom flange is fixedly arranged at the bottom of the valve seat, the bottom flange is thermally sealed at a feed inlet of a liquid packaging bag, a positioning cylinder is fixedly arranged at the center of one side of the valve cover, which is back to the valve seat, and two anti-theft holes are formed in the positioning cylinder. The positioning cylinder is internally threaded with a supporting cylinder, the middle of the inner wall of the supporting cylinder is fixedly provided with a sealing plate, and the sealing plate is provided with an anti-theft structure. The anti-theft structure comprises an anti-theft clamping plate and a binding belt connected with the anti-theft clamping plate, and two ends of the binding belt respectively penetrate through the two anti-theft holes and are connected together through a clamping structure. Compared with the prior art, the anti-theft structure adopted by the utility model is not easy to scratch the surface of a product, so that the safety of operators is protected while the quality of the product is ensured. The assembly process is simple and quick, and the assembly efficiency can be effectively improved. The utility model has excellent sealing performance and is suitable for storage and transportation of high-risk and high-value liquid.

Description

Liquid packaging bag filling opening with anti-theft structure

Technical Field

The utility model relates to the technical field of liquid packaging bag accessories, in particular to a liquid packaging bag filling opening with an anti-theft structure.

Background

In the liquid storage and transportation industry, disposable liquid bags are widely used for packaging in order to better save cost and facilitate storage and transportation. The using method of the liquid packaging bag comprises the steps of firstly filling liquid from the feeding hole, sealing, transporting to a client site for storage, and then discharging to a split charging production line through the discharging hole. When filling liquid into a liquid plastic packaging bag, a filling opening is required to be arranged at a feeding opening so as to fill the liquid.

Since the filling opening is generally directly exposed to the outside, the liquid in the bag is often replaced and counterfeited, and in order to prevent the liquid from being replaced and counterfeited, the anti-theft seal is generally performed by arranging an anti-theft structure at the filling opening.

The common theftproof structure in market generally adopts the iron wire to pass the lead sealing hole on the valve and carries out the lead sealing, but this kind of lead sealing mode has following shortcoming: the iron wire lead seal is easy to scratch the surface of the product, so that the quality of the product is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid packaging bag filling opening with an anti-theft structure, which can play a role of lead sealing anti-theft identification, is not easy to scratch the surface of a product, ensures the quality of the product, protects the safety of operators, is simple and quick in assembly process, can effectively improve the assembly efficiency, and has strong sealing performance and difficult liquid leakage.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a liquid packaging bag filling opening with an anti-theft structure comprises a valve seat and a valve cover in threaded connection with the valve seat, wherein a bottom flange is fixedly arranged at the bottom of the valve seat, the bottom flange is thermally sealed at a feed inlet of a liquid packaging bag, a positioning cylinder is fixedly arranged at the center of one side of the valve cover, which is back to the valve seat, two anti-theft holes are formed in the positioning cylinder, and the two anti-theft holes are oppositely arranged by taking the axis of the positioning cylinder as the center;

the positioning cylinder is internally threaded with a supporting cylinder, a sealing plate is fixedly arranged on the middle part of the inner wall of the supporting cylinder, and an anti-theft structure is arranged on the sealing plate;

the anti-theft structure comprises an anti-theft clamping plate and a binding belt connected with the anti-theft clamping plate, and two ends of the binding belt respectively penetrate through two anti-theft holes and are connected together through a clamping structure.

Further setting the following steps: the buckle structure is including setting firmly the bayonet socket in ribbon one end, be provided with the stopping buckle in the bayonet socket, the other end of ribbon is sharp end, sharp end is provided with a plurality of recesses in its inner wall.

Further setting the following steps: two positioning holes in one-to-one correspondence with the anti-theft holes are formed in the upper end of the supporting cylinder, positioning convex ribs are arranged at two ends of the anti-theft clamping plate respectively, and the positioning convex ribs are matched with the positioning holes in a clamping mode.

Further setting the following steps: one side of the anti-theft clamping plate, which faces the sealing plate, is provided with a support ring which is abutted against the sealing plate, and one side of the anti-theft clamping plate, which is back to the sealing plate, is provided with a pull ring.

Further setting the following steps: the inner side wall of the positioning cylinder is provided with a first internal thread, and the outer side wall of the supporting cylinder is provided with a first external thread matched with the first internal thread at the lower end of the outer side wall of the supporting cylinder.

Further setting the following steps: the supporting cylinder outer wall is provided with a first sealing groove in the middle, and a first sealing ring is embedded in the first sealing groove.

Further setting the following steps: the valve comprises a valve cover and a valve seat, wherein a screwing cylinder extends downwards on the outer peripheral side of the valve cover, a second internal thread is arranged on the inner side wall of the screwing cylinder, and a second external thread matched with the second internal thread is arranged on the upper end of the outer side wall of the valve seat.

Further setting the following steps: the valve cover downwardly extending has a sealing barrel, the last second seal groove of having seted up of sealing barrel, the embedded second sealing washer that is equipped with of second seal groove, the second sealing washer is located between a sealing barrel and the valve body.

Further setting the following steps: one side of the valve cover facing the valve seat is provided with a third sealing ring which is abutted against the top of the valve seat.

Further setting the following steps: the valve comprises a valve seat, a valve cover and a valve seat, wherein the valve cover is provided with a plurality of limiting holes, the top of the valve seat is provided with a top flange, and the top flange is provided with a wedge-shaped non-return edge matched with one of the limiting holes.

Compared with the prior art, the utility model has the beneficial technical effects that:

1. can play the effect of lead sealing theftproof discernment through theftproof structure, compare in adopting iron wire lead sealing, be difficult for fish tail product surface, guarantee the quality of product, also protect operating personnel's safety. The assembly process is simple and quick, and the assembly efficiency can be effectively improved.

2. Through the positioning convex rib and the positioning hole clamping and adapting, the anti-theft structure is prevented from shaking everywhere, and a good positioning effect is achieved.

3. Through the multiple sealed setting of first sealing washer, second sealing washer and third sealing washer for difficult seepage of bag interior liquid is difficult for external environment to pollute yet, has excellent sealing performance.

4. After the valve cover is screwed with the valve seat, the wedge-shaped non-return edge can be abutted against one of the limiting holes, so that non-return limiting of the valve cover and the valve seat is realized, liquid leakage caused by loosening of the valve cover in the transportation process is prevented, and the storage and transportation safety is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is a perspective view of the anti-theft structure of the present invention

FIG. 4 is a top view of the present invention;

fig. 5 is a sectional view taken along line a-a of fig. 4.

Reference numerals: 100. a valve seat; 110. a bottom flange; 120. a top flange; 130. a wedge-shaped non-return edge; 200. a valve cover; 201. a limiting hole; 210. a positioning cylinder; 211. an anti-theft hole; 220. screwing the cylinder; 230. a sealing cylinder; 300. a support cylinder; 301. a sealing plate; 302. positioning holes; 400. an anti-theft structure; 410. an anti-theft clamping and connecting plate; 411. positioning the convex ribs; 412. a support ring; 413. a pull ring; 420. binding a belt; 421. a bayonet; 422. a backstop buckle; 501. a first seal ring; 502. a second seal ring; 503. and a third sealing ring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1, the liquid packaging bag filling opening with an anti-theft structure disclosed by the utility model comprises a valve seat 100 and a valve cover 200 in threaded connection with the valve seat 100, wherein a liquid inlet channel for filling liquid is arranged in the valve seat 100, a bottom flange 110 is fixedly arranged at the bottom of the valve seat 100 integrally, and the bottom flange 110 is heat-sealed at a feed inlet of the liquid packaging bag.

Referring to fig. 2, a positioning cylinder 210 is integrally and fixedly disposed at the center of one side of the valve cover 200 facing away from the valve seat 100, two anti-theft holes 211 are disposed on the positioning cylinder 210, and the two anti-theft holes 211 are disposed opposite to each other with the axis of the positioning cylinder 210 as the center. The internal thread of a location section of thick bamboo 210 is connected with a supporting cylinder 300, and the inside wall of a location section of thick bamboo 210 is provided with first internal thread, and the lateral wall of a supporting cylinder 300 is provided with the first external screw thread with first internal thread looks adaptation in its lower extreme, and through first external screw thread and the cooperation of first internal thread, a supporting cylinder 300 can close soon and screw up on a location section of thick bamboo 210. The sealing plate 301 is fixedly arranged on the inner wall of the supporting cylinder 300 at the middle part of the supporting cylinder, and the anti-theft structure 400 is arranged on the sealing plate 301.

Referring to fig. 3, the anti-theft structure 400 includes an anti-theft snap plate 410 and a tie 420 connected thereto, and its specific structure is: the bottom of the anti-theft clamping plate 410 is provided with a containing groove matched with the circumference of the ribbon, the middle section of the ribbon 420 is embedded in the containing groove and fixedly connected with the anti-theft clamping plate 410, and two ends of the ribbon 420 respectively penetrate through the two anti-theft holes 211 and are connected together through a buckle structure. The buckle structure comprises a bayonet 421 fixedly arranged at one end of the ribbon 420, a retaining buckle 422 (shown in fig. 5) is arranged in the bayonet 421, the other end of the ribbon 420 is a sharp end, and a plurality of grooves are arranged on the inner side wall of the sharp end. After the sharp end of the tie 420 extends into the bayonet 421, the tie is tightened under the action of the retaining buckle 422 and the groove, thereby achieving the anti-theft function of lead sealing. Preferably, ribbon 420 adopts the nylon material, compares and adopts the lead sealing of iron wire, and difficult fish tail product surface has guaranteed the quality of product.

Referring to fig. 2 and 3, the upper end of the supporting tube 300 is provided with two positioning holes 302 corresponding to the anti-theft holes 211 one by one, the two ends of the anti-theft clamping plate 410 in the length direction are respectively integrally provided with a positioning convex rib 411, and the positioning convex ribs 411 are in clamping fit with the positioning holes 302, so that the anti-theft structure 400 is prevented from shaking around, and a good positioning effect is achieved.

Referring to fig. 3, a support ring 412 abutting against the sealing plate 301 is provided on a side of the anti-theft engagement plate 410 facing the sealing plate 301, the support ring 412 has a smaller circumferential diameter than the support cylinder 300, and a tab 413 is provided on a side of the anti-theft engagement plate 410 facing away from the sealing plate 301. During assembly, an operator can conveniently take the anti-theft structure 400 through the pull ring 413, and the positioning convex rib 411 is clamped on the positioning hole 302.

Referring to fig. 4 and 5, a first sealing groove is formed in the middle of the outer sidewall of the supporting cylinder 300, and a first sealing ring 501 is embedded in the first sealing groove. By providing the first sealing ring 501, the sealing performance between the support cylinder 300 and the positioning cylinder 210 can be improved.

The outer peripheral side of the valve cover 200 is downwardly extended with a screwing cylinder 220, the inner side wall of the screwing cylinder 220 is provided with a second internal thread, and the outer side wall of the valve seat 100 is provided with a second external thread matched with the second internal thread at the upper end thereof. The valve cover 200 can be screwed on and tightened on the valve seat 100 by the threaded connection of the second internal thread and the second external thread.

The valve cover 200 extends downwards to form a sealing cylinder 230, the sealing cylinder 230 is located between the screwing cylinder 220 and the positioning cylinder 210, a second sealing groove is formed in the sealing cylinder 230, a second sealing ring 502 is embedded in the second sealing groove, and the second sealing ring 502 is located between the sealing cylinder 230 and the valve body. By providing the second seal ring 502, the sealing performance between the seal cartridge 230 and the valve body is improved.

The valve cover 200 is provided with a third sealing ring 503 on the side facing the valve seat 100, and the third sealing ring 503 abuts against the top of the valve seat 100. By providing the third sealing ring 503, the sealing performance between the valve cover 200 and the valve seat 100 is improved.

Referring to fig. 2 and 4, the valve cover 200 is provided with a plurality of limiting holes 201, the top of the valve seat 100 is provided with a top flange 120, the top flange 120 is provided with a wedge-shaped non-return edge 130, and the wedge-shaped non-return edge 130 is matched with one of the limiting holes 201. After the valve cover 200 is screwed with the valve seat 100, the wedge-shaped check rib 130 can be abutted against one of the limiting holes 201, so that check limiting of the valve cover 200 and the valve seat 100 is realized, and liquid leakage caused by loosening of the valve cover 200 in the transportation process is prevented.

The assembly process of the utility model is as follows:

when the liquid packing bag is filled with the liquid, the valve cap 200 is screwed to the valve seat 100, and the support cylinder 300 is screwed to the positioning cylinder 210. Then, the pull ring 413 is held, and the positioning ribs 411 at both ends of the anti-theft engaging plate 410 are fitted into the positioning holes 302 until the support ring 412 abuts against the sealing plate 301. Two ends of the ribbon 420 penetrate through the two anti-theft holes 211 respectively, the sharp end of the ribbon 420 penetrates through the bayonet 421, and the ribbon 420 is tightened under the action of the retaining buckle 422 and the groove, so that lead sealing anti-theft is completed.

The utility model has the beneficial effects that:

compared with the method of using iron wire lead sealing, the anti-theft structure 400 adopted by the utility model is not easy to scratch the surface of the product, thereby ensuring the quality of the product and protecting the safety of operators. The assembly process is simple and quick, and the assembly efficiency can be effectively improved. Through the joint adaptation of the positioning convex rib 411 and the positioning hole 302, the anti-theft structure 400 can be prevented from shaking everywhere, and a good positioning effect is achieved. Meanwhile, the utility model has excellent sealing performance and is suitable for storage and transportation of high-risk and high-value liquid.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a liquid packaging bag filling mouth with theftproof structure, includes disk seat (100) and threaded connection's valve gap (200) with it, the bottom of disk seat (100) has set firmly bottom flange (110), bottom flange (110) heat-seal is in the feed inlet department of liquid packaging bag, its characterized in that: a positioning cylinder (210) is fixedly arranged at the center of one side of the valve cover (200) back to the valve seat (100), two anti-theft holes (211) are formed in the positioning cylinder (210), and the two anti-theft holes (211) are oppositely arranged by taking the axis of the positioning cylinder (210) as the center;

the positioning cylinder (210) is connected with a supporting cylinder (300) in an internal thread mode, a sealing plate (301) is fixedly arranged on the middle portion of the inner wall of the supporting cylinder (300), and an anti-theft structure (400) is arranged on the sealing plate (301);

the anti-theft structure (400) comprises an anti-theft clamping plate (410) and a cable tie (420) connected with the anti-theft clamping plate, wherein two ends of the cable tie (420) respectively penetrate through two anti-theft holes (211) and are connected together through a clamping structure.

2. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: the buckle structure is including setting firmly bayonet socket (421) in ribbon (420) one end, be provided with stopping buckle (422) in bayonet socket (421), the other end of ribbon (420) is sharp end, sharp end is provided with a plurality of recesses in its inner wall.

3. The liquid packaging bag filling opening with an anti-theft structure according to claim 2, wherein: two positioning holes (302) corresponding to the anti-theft holes (211) one by one are formed in the upper end of the supporting barrel (300), positioning convex ribs (411) are arranged at two ends of the anti-theft clamping plate (410) respectively, and the positioning convex ribs (411) are matched with the positioning holes (302) in a clamping mode.

4. The liquid packaging bag filling opening with an anti-theft structure according to claim 3, wherein: a supporting ring (412) abutted against the sealing plate (301) is arranged on one side, facing the sealing plate (301), of the anti-theft clamping plate (410), and a pull ring (413) is arranged on one side, back to the sealing plate (301), of the anti-theft clamping plate (410).

5. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: the inner side wall of the positioning cylinder (210) is provided with a first internal thread, and the outer side wall of the supporting cylinder (300) is provided with a first external thread matched with the first internal thread at the lower end.

6. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: a first sealing groove is formed in the middle of the outer side wall of the supporting cylinder (300), and a first sealing ring (501) is embedded in the first sealing groove.

7. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: the valve is characterized in that a screwing cylinder (220) extends downwards from the outer peripheral side of the valve cover (200), a second internal thread is arranged on the inner side wall of the screwing cylinder (220), and a second external thread matched with the second internal thread is arranged on the upper end of the outer side wall of the valve seat (100).

8. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: the valve cover (200) extends downwards to form a sealing cylinder (230), a second sealing groove is formed in the sealing cylinder (230), a second sealing ring (502) is embedded in the second sealing groove, and the second sealing ring (502) is located between the sealing cylinder (230) and the valve body.

9. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: one side, facing the valve seat (100), of the valve cover (200) is provided with a third sealing ring (503), and the third sealing ring (503) abuts against the top of the valve seat (100).

10. The liquid packaging bag filling opening with an anti-theft structure according to claim 1, wherein: the valve cover (200) is provided with a plurality of limiting holes (201), the top of the valve seat (100) is provided with a top flange (120), and the top flange (120) is provided with a wedge-shaped non-return edge (130) matched with one of the limiting holes (201).