CN110194325B

CN110194325B - Buckle type assembly capable of stably connecting closed barrel and lining bag

Info

Publication number: CN110194325B
Application number: CN201910509263.8A
Authority: CN
Inventors: 刘亦军; 刘兴华
Original assignee: Shanghai Yiju Plastic Technology Co ltd
Current assignee: Shanghai Yiju Plastic Technology Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2021-01-08
Anticipated expiration: 2039-06-13
Also published as: CN110194325A

Abstract

The invention discloses a buckling type assembly capable of stably connecting a closed barrel and a lining bag, which comprises a connecting piece, a connecting piece sealing ring, a locking ring, a bracket, a barrel plug sealing ring, an outer sealing cover and a locking plate, wherein the locking ring is arranged on the outer side of an outer flanging of the connecting piece, is of a rigid body structure, and is matched with the locking plate and a telescopic groove to lock the connecting piece; the telescopic groove is arranged corresponding to the convex rib and the locking plate; the connecting piece flanging is provided with an annular clamping groove, so that the outer sealing cover can be buckled on the connecting piece. The invention has the advantages of simple and novel structure, suitability for the reliable connection of various closed buckets and lining bags, very convenient installation and disassembly and the like.

Description

Buckle type assembly capable of stably connecting closed barrel and lining bag

Technical Field

The invention relates to a connection technology of a closed barrel and a lining bag in the technical field of packaging, in particular to a buckling type assembly capable of stably connecting the closed barrel and the lining bag.

Background

At present, liquid chemical products usually use a closed barrel as a packaging container, the packaging container is usually required to be treated as hazardous waste after being used once, and under the condition that the environmental protection requirement is improved year by year, the treatment cost of the hazardous chemical waste is higher and higher, the environmental protection pressure is higher and higher, and the use cost is higher and higher.

The existing solution is as follows: 1. the plastic part is designed at the opening of the lining bag and is directly buckled on the closed barrel, the scheme is simple and practical, the packaging requirement of a part of liquid chemicals can be met, when the liquid chemicals are subjected to a large internal force or external force, the plastic part is easy to separate from the opening of the barrel, the packaging requirement of dangerous goods is difficult to meet, and the practical application range is limited to a certain extent; 2. the scheme can form firm combination with the bung hole and can meet the packaging requirements of dangerous chemicals, but has the defect of difficult positioning during installation.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a buckle-type connecting assembly which can ensure that a bung hole of a closed barrel is stably connected with an inner lining bag, and can realize that: 1. 2, the installation and the disassembly are convenient, and the requirements of dangerous goods packaging (type I packaging) can be met; 3. the positioning is accurate. The scheme can ensure the sealing of the opening of the lining bag and can also ensure the sealing between the lining bag and the closed barrel and the sealing of the opening of the lining bag. In practical application, the environmental protection pressure can be reduced, and the use cost is reduced.

The invention solves the technical problems through the following technical means:

the utility model provides an ability makes the padlock formula subassembly of linking firmly of blocking bucket and interior lining bag, padlock formula unit mount on the filling opening of blocking bucket, and the interior lining bag sack of blocking bucket combines with the connecting piece of padlock formula subassembly to form whole, its characterized in that: the buckling type assembly comprises a connecting piece, a connecting piece sealing ring, a locking ring, a support, a barrel plug sealing ring, an outer sealing cover and a locking plate, wherein the connecting piece is outwards connected with an outer flanging through the top surface; a lock ring is arranged outside the outward flanging of the connecting piece; the locking ring is of a rigid body structure and locks the flanging of the connecting piece and the convex edge on the inner side of the flanging by matching with the locking plate and the telescopic groove; the lock ring and the connecting piece form a whole through the fixed connecting parts, a telescopic groove is arranged between the fixed connecting parts, and the telescopic groove and the convex edge on the inner side of the flanging of the connecting piece are correspondingly arranged; the outer flanging of the connecting piece is provided with an annular clamping groove, and the clamping groove is matched with the barb-shaped convex edge on the inner side of the outer sealing cover so that the outer sealing cover is clamped on the connecting piece; the outer sealing cover comprises a cover body, a barb on the inner side of the cover body, a locking plate, a tearing mark, a pull ring and a tearing strip; the bottom of the outer sealing cover is provided with a locking piece, the locking piece and the cover body are connected into a whole and are arranged corresponding to the telescopic groove on the connecting piece, and the locking piece can be inserted into the telescopic groove and matched with the locking ring to ensure that the connecting piece is stably fixed on the injection opening of the closed barrel; the inner side of the side wall of the outer sealing cover is provided with a barb-shaped convex edge which is matched with a clamping groove on an outward flanging of the connecting piece, so that the outer sealing cover can be reliably sealed on the connecting piece; the top and the side of the outer sealing cover are provided with tearing strips, the tearing strips and the cover body form a whole through tearing marks, and two ends of each tearing strip are connected with small pull rings; the technical scheme is further explained as follows: the alternative scheme of the lock ring is that the lock ring and the connecting piece are of a split structure; the technical scheme is further explained as follows: the alternative of the outer sealing cover is that the outer sealing cover is sealed on the bung; the technical scheme is further explained as follows: the alternative scheme of the locking plate is that the locking plate and the outer sealing cover are in a split structure; the technical scheme is further explained as follows: the locking ring is connected with a positioning bracket, the outer side of the positioning bracket is abutted against the outer side turning edge of the barrel cover at the top of the closed barrel so as to ensure the direction positioning of the connecting piece and the lining bag, and the bracket can be used as a handle when the connecting piece is unloaded; the technical scheme is further explained as follows: the bottom of the middle through hole of the connecting piece is provided with an annular body, the connecting piece and the lining bag form a whole body through heat seal welding, and the middle through hole of the connecting piece becomes the opening of the lining bag; the technical scheme is further explained as follows: the middle of the connecting piece is provided with a through hole, the through hole is internally provided with internal threads, and the through hole is matched with the barrel plug and the sealing ring to form the sealing of the opening of the lining bag; the technical scheme is further explained as follows: the inner side of the flanging of the connecting piece is provided with a sealing ring which is matched with the filling opening of the closed barrel to form sealing between the inner wall of the closed barrel and the lining bag, so that displacement is not easy to generate.

The invention has the advantages that: the invention has simple and novel structure and stable structure, is suitable for the stable connection of various closed buckets and lining bags, and is very convenient to install and disassemble. In practical application, the environmental protection pressure can be reduced, and the use cost is reduced.

Drawings

Figure 1 is a top view of a snap-lock connection assembly of the present invention.

Figure 2 is a cross-sectional view of a snap-lock connection assembly of the present invention.

Fig. 3 is a top view of the bung of the invention.

Fig. 4 is a cross-sectional view of a bung according to the present invention.

Fig. 5 is a top view of the outer cap of the invention.

Fig. 6 is a cross-sectional view of the outer cap of the present invention.

Fig. 7 is a schematic view of the combination of the outer cap and the connecting assembly of the present invention.

Fig. 8 is a schematic view of the assembly of the lining bag of the present invention.

Fig. 9 is a schematic view of a closed-end bucket of the present invention.

In the figure: 1. the novel barrel comprises a buckling type connecting piece, 1-1 internal thread of the connecting piece, 1-2 flanging of the connecting piece, 1-3 sealing rings of the connecting piece, 1-4 annular heat-seal welded bodies, 1-5 convex ribs, 1-6 brackets, 1-7 locking rings, 1-8 telescopic grooves, 1-9 flanging clamping grooves of the connecting piece, 2 barrel stoppers, 2-1 external threads of the barrel stoppers, 2-2 sealing rings of the barrel stoppers, 3 sealing covers, 3-1 locking plates, 3-2 tear tapes, 3-3 tear marks, 3-4 barbs, 3-5 pull rings, 4 lining bags, 5 closed barrels, 5-1 injection ports, 5-2 flanging of the external injection ports, 5-3 ventilation ports and 5-4 flanging of the outer side of the barrel covers.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

A fastener assembly capable of stably connecting a closed barrel and a lining bag as shown in fig. 1 to 6, wherein the fastener assembly is installed on an injection opening of the closed barrel, and a lining bag opening of the closed barrel is combined with a connecting piece of the fastener assembly to form a whole; the buckling type assembly comprises a connecting piece, a connecting piece sealing ring, a locking ring, a bracket, a barrel plug sealing ring, an outer sealing cover and a locking plate; the connecting piece is connected with the outward flanging through the top surface, the inner side of the outward flanging is provided with a convex edge, the convex edge is matched with the outward curled edge of the injection opening of the closed barrel, and the convex edge buckles the lower part of the outward curled edge of the injection opening so that the connecting piece is buckled on the injection opening of the closed barrel; in order to prevent the connecting piece from being separated from the bung hole by internal force or external force, the outer side of the flanging of the connecting piece is provided with a locking ring which is of a rigid body structure, and through the matching of the locking plate and the telescopic groove, the elastic space of the flanging and the convex edge on the inner side of the flanging is eliminated, so that the connecting piece is locked on the injection hole of the bung hole and is difficult to separate from the bung hole; the lock ring and the connecting piece form a whole through the fixed connecting parts, the telescopic grooves are arranged among the fixed connecting parts, the telescopic grooves correspond to the convex edges on the inner sides of the flanges of the connecting piece, and an elastic space is provided for the convex edges; the outer flanging of the connecting piece is provided with an annular clamping groove, and the clamping groove is matched with the barb-shaped convex edge on the inner side of the outer sealing cover so that the outer sealing cover is buckled on the connection part; the outer sealing cover comprises a cover body, a barb on the inner side of the cover body, a locking plate, a tearing mark, a pull ring and a tearing strip; the bottom of the outer sealing cover is provided with a locking piece, the locking piece and the cover body are connected into a whole and are arranged corresponding to the telescopic groove on the connecting piece, the locking piece can be inserted into the telescopic groove and matched with the locking ring, so that the elastic space of the convex edge is eliminated, the connecting piece is stably fixed on the injection opening of the closed barrel, the outer sealing cover and the locking piece are integrated, and the structural component of the buckling-type connecting piece is simplified; the outer sealing cover is designed to be disposable, has an anti-theft function, and is required to be torn when the outer sealing cover is normally unsealed; the inner side of the side wall of the outer sealing cover is provided with a barb-shaped convex edge which is matched with a clamping groove on an outward flanging of the connecting piece, so that the outer sealing cover can be reliably sealed on the connecting piece; the top and the side of the outer sealing cover are provided with tearing strips, the tearing strips and the cover body form a whole through tearing marks, and two ends of each tearing strip are connected with small pull rings; the alternative scheme of the lock ring is that the lock ring and the connecting piece are of a split structure; the alternative of the outer seal cover packaging is that the outer seal cover is packaged on the bung; the alternative scheme of the locking plate is that the locking plate and the outer sealing cover are in a split structure; the locking ring is connected with a positioning bracket, the outer side of the positioning bracket is abutted against the outer side turning edge of the barrel cover at the top of the closed barrel, so that the direction positioning of the connecting piece and the lining bag is ensured, and the bracket can be used as a handle when the connecting piece is unloaded; the bottom of the middle through hole of the connecting piece is provided with an annular body, the buckling-locking type connecting piece and the lining bag form a whole through heat seal welding, and the middle through hole of the buckling-locking type connecting piece becomes the opening of the lining bag; the middle of the connecting piece is provided with a through hole, an internal thread is arranged in the through hole, and the through hole is matched with the external thread of the barrel plug and the sealing ring to form the sealing of the opening of the lining bag; the inner side of the flanging of the connecting piece is provided with a sealing ring which is matched with the filling opening of the closed barrel to form sealing between the inner wall of the closed barrel and the lining bag, so that displacement is not easy to generate.

The specific application method comprises the following steps:

1. when the closed barrel lining bag is installed for use, the bag body is firstly placed into the barrel through the filling opening of the closed barrel, and the buckling type connecting piece is downwards pressed and buckled on the filling opening of the closed barrel according to the positioning direction of the bracket;

2. the ventilation opening of the closed barrel is opened, the lining bag is inflated (or exhausted through the ventilation hole) through the opening of the barrel, and redundant gas between the barrel wall and the lining bag is exhausted, so that the lining bag is tightly attached to the inner wall of the closed barrel;

3. the ventilation opening of the closed barrel is closed, so that the lining bag and the inner wall of the closed barrel form sealing and are not easy to displace;

4. and sealing the opening of the lining bag by using a barrel plug, and finishing the installation of the lining bag.

5. When loading the liquefied product, opening the barrel plug, filling the chemical liquid product into the barrel, and after filling, screwing the barrel plug to seal the opening of the lining bag;

6. the outer sealing cover is buckled, and the locking plate at the bottom of the sealing cover can be inserted into the telescopic groove and matched with the locking ring, so that the elastic space of the convex edge is eliminated, and the connecting piece is stably fixed on the injection opening of the closed barrel; the outer seal cover is designed to be disposable, has an anti-theft function, and needs to be torn when the outer seal cover is normally opened.

7. When unloading, the small pull rings at the two sides of the sealing cover are hooked by fingers or tools, and the sealing cover is torn upwards by force, so that the cover body of the outer sealing cover and the locking plate are separated from the connecting piece;

8. opening the barrel plug and pumping out the liquid chemical product;

9. opening the ventilation port of the closed barrel, inflating through the ventilation hole (or exhausting air into the lining bag through the bag opening), and compressing the volume of the lining bag to be minimum;

10. lifting the bracket of the connecting piece upwards by hands or tools to separate the connecting piece from the filling opening of the closed barrel and drawing out the bag body;

11. hanging the drawn lining for some time to enable the residual liquid in the lining bag to be concentrated at the bag bottom, and opening a small opening at the bag bottom to finish the collection of the residual liquid;

12. thus, the use of the liner bag is completed.

13. The closed barrel can be recycled according to the step 1, so that the purposes of reducing the use cost and reducing wastes are achieved.

The invention can be used on a closed packaging container, has simple structure and convenient use, can meet the use requirements of liquid products in transportation and storage, can ensure that the original closed barrel can be recycled for a plurality of times by replacing the lining bag of the closed barrel, greatly reduces the discharge amount of hazardous waste, greatly reduces the cost of solid waste treatment, and lightens the pressure of environmental protection.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions may be made without departing from the spirit and scope of the present disclosure in its various embodiments.

Claims

1. The utility model provides an ability makes the padlock formula subassembly of linking firmly of blocking bucket and interior lining bag, padlock formula unit mount on the filling opening of blocking bucket, and the interior lining bag sack of blocking bucket combines with the connecting piece of padlock formula subassembly to form whole, its characterized in that: the buckling type assembly comprises a connecting piece, a connecting piece sealing ring, a locking ring, a support, a barrel plug sealing ring, an outer sealing cover and a locking plate, wherein the connecting piece is outwards connected with an outer flanging through the top surface; a lock ring is arranged outside the outward flanging of the connecting piece; the locking ring is of a rigid body structure and locks the flanging of the connecting piece and the convex edge on the inner side of the flanging by matching with the locking plate and the telescopic groove; the lock ring and the connecting piece form a whole through the fixed connecting parts, a telescopic groove is arranged between the fixed connecting parts, and the telescopic groove and the convex edge on the inner side of the flanging of the connecting piece are correspondingly arranged; the outer flanging of the connecting piece is provided with an annular clamping groove, and the clamping groove is matched with the barb-shaped convex edge on the inner side of the outer sealing cover so that the outer sealing cover is clamped on the connecting piece; the outer sealing cover comprises a cover body, a barb on the inner side of the cover body, a locking plate, a tearing mark, a pull ring and a tearing strip; the bottom of the outer sealing cover is provided with a locking piece, the locking piece and the cover body are connected into a whole and are arranged corresponding to the telescopic groove on the connecting piece, and the locking piece can be inserted into the telescopic groove and matched with the locking ring to ensure that the connecting piece is stably fixed on the injection opening of the closed barrel; the inner side of the side wall of the outer sealing cover is provided with a barb-shaped convex edge which is matched with a clamping groove on an outward flanging of the connecting piece, so that the outer sealing cover can be reliably sealed on the connecting piece; the outer sealing cover is characterized in that tear tapes are arranged on the top and the side faces of the outer sealing cover, the tear tapes and the cover body form a whole through tear marks, and small pull rings are connected to the two ends of each tear tape.

2. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the alternative scheme of the lock ring is that the lock ring and the connecting piece are of a split structure.

3. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: an alternative to the outer cap being sealed is that the outer cap is sealed over the bung.

4. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the alternative scheme of the locking plate is that the locking plate and the outer sealing cover are of a split structure.

5. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the locking ring is connected with a positioning support, and the outer side of the positioning support abuts against the outer side turning edge of the barrel cover at the top of the closed barrel.

6. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the bottom of the middle through hole of the connecting piece is provided with an annular body, the connecting piece and the lining bag form a whole body through heat seal welding, and the middle through hole of the connecting piece becomes the opening of the lining bag.

7. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the middle of the connecting piece is provided with a through hole, internal threads are arranged in the through hole, and the through hole is matched with the barrel plug and the sealing ring to form the sealing of the opening of the lining bag.

8. The fastener assembly of claim 1, wherein the fastener assembly is configured to securely connect the closed-end cartridge to the liner bag, the fastener assembly comprising: the inner side of the flanging of the connecting piece is provided with a sealing ring which is matched with the filling opening of the closed barrel to form sealing between the inner wall of the closed barrel and the lining bag, so that displacement is not easy to generate.