Quick joint of packing barrel for preventing VOC unorganized emission

Abstract

The present application relates to the technical field of packing barrel joint, and discloses a packing barrel quick joint for preventing VOC unorganized emission, which comprises a first cover body, a second cover body and a pump connecting pipe, the second cover body is threadedly connected to the inner side of the upper end of the first cover body, and a suction pipe is arranged on the inner side of the second cover body. After the second cover body and the first cover body on the suction pipe are connected, the packing barrel quick joint can be applied to ton barrels after assembly, and when used in 200-liter plastic barrels or iron barrels, the first cover body only needs to be disassembled, and a connecting pipe can be threadedly connected to the check valve interface at the lower end of the suction pipe, so that the connecting pipe can be used according to the depth of the barrel. In addition, the pump connecting pipe, the connecting pipe and the suction pipe in the present application are all made of stainless steel, which has good acid resistance and corrosion resistance. The air pipe is used to normally press the inside of the barrel body when the material is sucked, so that the material can be conveniently sucked, and the filter head arranged on the upper end of the air pipe can filter the air entering the barrel body during the material suction process, so that impurities are prevented from entering.

Description

Technical Field

[0001] This invention relates to the field of packaging drum connector technology, and in particular to quick connectors for packaging drums that prevent the fugitive emission of VOCs. Background Technology

[0002] A tonne container, also known as an IBC (Medium Bulk Container), is a type of container used for storing and transporting liquids or bulk goods. It is lightweight, high-strength, corrosion-resistant, and can withstand temperatures up to 100 degrees Celsius. IBCs are typically made of metal or plastic and are characterized by their durability, good sealing, and ease of stacking and handling. They are widely used in chemical, agricultural, pharmaceutical, and food industries. However, during material extraction, the container lid is usually opened, and a hose connected to the pump inlet is inserted into the container. This process leaves the container opening completely open, leading to the uncontrolled emission of volatile organic compounds (VOCs) from inside the container.

[0003] Currently, although quick-connect couplings for extracting materials from packaging drums exist on the market to prevent fugitive VOC emissions from the drum opening, we have found some shortcomings in actual use and operation. For example, traditional quick-connect couplings for ton drums consist of a drum plug, identification plug, bottom insertion tube, transport plug, locking ring, distribution head, and pump connection tube, etc. The numerous parts make installation cumbersome, time-consuming, labor-intensive, and inefficient. Secondly, traditional quick-connect couplings are made of plastic, and the plasticizers and antioxidants in the plastic hoses that come into contact with the materials pose a potential risk of migration when immersed in materials for a long time, thus contaminating the materials in the packaging drum. Therefore, based on the above-mentioned shortcomings, it is necessary to design a quick-connect coupling for packaging drums that prevents fugitive VOC emissions. Summary of the Invention

[0004] The purpose of this invention is to provide a quick connector for packaging drums to prevent fugitive VOC emissions, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides a quick connector for packaging drums to prevent fugitive VOC emissions, comprising a first cover, a second cover, and a pump inlet pipe. The second cover is threaded to the inner side of the upper end of the first cover. A suction pipe is installed on the inner side of the second cover. A check valve is provided at the lower end of the suction pipe. A connecting pipe is threaded at the lower end of the check valve. A first connecting ring is fixedly connected to the upper end of the suction pipe. A sealing gasket is provided at the upper end of the first connecting ring. A second connecting ring is fixedly connected to the lower end of the pump inlet pipe. The same connecting mechanism is provided on the outer sides of the first and second connecting rings. A vent pipe is installed on the inner side of the second cover. The ends of the vent pipe penetrate the second cover. A filter head is threadedly installed at the upper end of the vent pipe. A connecting sleeve is fixedly installed at the end of the filter head away from the vent pipe. A cleaning mechanism is provided on the inner side of the connecting sleeve. An end cap is threadedly connected to the end of the connecting sleeve away from the filter head.

[0006] The connecting mechanism includes a first connecting block and a second connecting block. One end of the first connecting block and one end of the second connecting block are rotatably connected. The other ends of the first connecting block and the second connecting block are fixedly connected to connecting ears. A screw is rotatably connected to the inner side of the connecting ear of the second connecting block. One end of the screw passes through the connecting ear of the first connecting block and is threadedly connected to a nut. A limit groove is formed between the opposing surfaces of the first connecting block and the second connecting block. The first connecting ring and the second connecting ring are located inside the limit groove. Through the connecting mechanism, the quick connector can be quickly connected and used on site.

[0007] The cleaning mechanism includes a mounting plate, which is fixedly installed inside the connecting sleeve. A drive motor is fixedly installed on one side of the mounting plate. A connecting plate is fixedly installed through the output end of the drive motor. A connecting rod is symmetrically fixedly installed on the outer side of the connecting plate. A connecting arm is fixedly connected to the end of the connecting rod away from the connecting plate. A brush is fixedly installed on the inner side of the connecting arm. Arc holes are symmetrically opened between the connecting sleeve and the filter head. One end of the connecting rod slides through the arc holes. A control mechanism is provided inside the connecting sleeve. The filter head can be easily cleaned and prevented from clogging through the cleaning mechanism.

[0008] The control mechanism includes positioning slots symmetrically located at one end of the connecting sleeve near the end cap. A circuit board is inserted into the inner side of the positioning slots, and a buzzer and a control module are respectively provided on the outer side of the circuit board. A battery is snapped onto the outer side of the circuit board. A pressing mechanism is provided on the inner side of the end cap, and the end cap is movably connected to the circuit board through the pressing mechanism. A sound transmission hole is provided on the outer side of the connecting sleeve. The cleaning mechanism can be easily controlled and used through the control mechanism.

[0009] The clamping mechanism includes an assembly hole and a top block. The assembly hole is located on the side of the end cover facing the connecting sleeve. A limit ring is fixedly connected to one side of the top block. One end of the top block is slidably connected to the inside of the assembly hole through the limit ring. A spring is fixedly installed between the top block and the assembly hole. The end of the top block away from the end cover is in abutting connection with the circuit board. The clamping mechanism facilitates the installation and use of the control mechanism.

[0010] Furthermore, the lower end of the second cover is provided with a first sealing ring, and the lower end of the first cover is provided with a second sealing ring. The first sealing ring and the second sealing ring can ensure the sealing performance of the connection and installation of the first cover or the second cover.

[0011] Furthermore, a rotating block is rotatably connected to the inner side of the connecting lug of the second connecting ring. The rotating block and the end of the screw away from the nut are fixedly installed. Through the rotating block, one end of the screw can rotate on the connecting lug of the second connecting ring.

[0012] Furthermore, a threaded sleeve is fixedly connected to the upper end of the vent pipe. The upper end of the vent pipe is threadedly installed on the end of the filter head away from the connecting sleeve through the threaded sleeve. The upper end of the vent pipe and the interior of the filter head are interconnected. The vent pipe can be easily connected to the filter head through the threaded sleeve on the vent pipe.

[0013] Furthermore, a grooved plate is fixedly connected to the outer side of the filter head, and a connector is fixedly installed at the end of the connecting arm away from the connecting rod. The end of the connector away from the connecting arm is slidably connected to the inner side of the groove of the grooved plate. The stability of the connecting arm can be improved through the grooved plate and the connector.

[0014] Furthermore, a connecting groove is provided on the outer side of the connecting arm, and a connecting plate is fixedly connected to the outer side of the brush. The connecting plate and the connecting groove of the connecting arm are connected by an insertion. Threaded holes are symmetrically provided on the side of the connecting plate away from the brush. A countersunk hole is provided on the inner side of the connecting arm. A hand-tightening bolt is provided on the inner side of the countersunk hole. The connecting arm is fixedly installed by the hand-tightening bolt passing through the countersunk hole and the threaded hole. The connecting groove, connecting plate, threaded hole, countersunk hole and hand-tightening bolt make it easy to disassemble and replace the brush.

[0015] Furthermore, the position of the sound transmission hole corresponds to the position of the buzzer, and a screw groove is provided at the end of the connecting sleeve facing the end cover. The connecting sleeve is threadedly connected to the end cover through the screw groove. A torsion block is fixedly connected to the side of the end cover away from the connecting sleeve. The screw groove and the torsion block can facilitate the connection and installation of the end cover and the connecting sleeve.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] Firstly, in this invention, by connecting the second cover and the first cover on the suction pipe, it can be used for ton containers after assembly. When used for 200-liter plastic or iron containers, only the first cover needs to be removed. Moreover, a connecting pipe is threaded onto the check valve interface at the lower end of the suction pipe, which can be installed according to the depth of the container. In addition, the pump connecting pipe, the connecting pipe, and the suction pipe in this solution are all made of stainless steel, which has good acid and corrosion resistance. The vent pipe is used to pressurize the inside of the container during material suction, which facilitates material suction. The filter head installed at the upper end of the vent pipe can filter the air entering the container during the material suction process to prevent impurities from entering.

[0018] Secondly, in this invention, after connecting the second cover and the first cover on the suction pipe, and then docking the first connecting ring on the suction pipe and the second connecting ring on the pump connection pipe, the first connecting block and the second connecting block that are rotatably connected are directly fitted onto the first connecting ring and the second connecting ring through the limiting groove. Then, after rotating the screw on the connecting lug of the second connecting block and rotating the nut at the end of the screw, the first connecting block and the second connecting block can be clamped on the first connecting ring and the second connecting ring, thus completing the on-site assembly, which is more convenient and simple in installation and use.

[0019] Thirdly, in this invention, the output end of the drive motor drives the connecting plate to swing back and forth inside the connecting sleeve, so that the connecting plate is connected to the connecting arm with the brush through the connecting rod. This can clean the blockage outside the filter head, ensure that when the suction pipe is sucking material, the air pipe is under normal pressure inside the barrel and is not easily blocked. When the brush is disassembled or assembled, the brush is inserted into the connecting groove of the connecting arm through the connecting plate. At the same time, the countersunk hole on the connecting arm overlaps with the screw hole on the connecting plate. At this time, the connecting plate of the brush can be easily fixed to the connecting arm by hand-tightening the bolt. Conversely, it is also convenient to disassemble and replace the brush when needed.

[0020] Fourth, the battery on the circuit board provides power to the control module, which controls the drive motor to reciprocate. When the detection unit of the control module detects the battery level, and the battery level reaches a predetermined peak, the control module controls the buzzer to sound an alarm, which can remind the user to replace the battery. When replacing the battery, the end cover can be opened from the connecting sleeve, the circuit board can be pulled out, the battery can be replaced, the circuit board can be pushed back into the connecting sleeve, and then the end cover can be screwed back onto the connecting sleeve. During the tightening process, because the top block slides in the mounting hole of the end cover through the limit ring, and a spring is added between the top block and the mounting hole, the circuit board can be stably pressed against the connecting sleeve by the top block when the end cover is installed. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the quick connector structure for the ton container of the present invention;

[0022] Figure 2 This is a partial exploded view of the present invention;

[0023] Figure 3 This is a bottom view of the first cover body in this invention;

[0024] Figure 4 This is a schematic diagram of the connection mechanism structure in this invention;

[0025] Figure 5 This is a schematic diagram of the filter head structure in this invention;

[0026] Figure 6 This is a schematic diagram showing the connection between the filter head and the vent pipe in this invention;

[0027] Figure 7 This is a schematic diagram of the connection between the end cap and the connecting sleeve in this invention;

[0028] Figure 8 This is an exploded view of the clamping mechanism in this invention;

[0029] Figure 9 This is a schematic diagram of the cleaning mechanism structure in this invention;

[0030] Figure 10 This is a schematic diagram of the 200-liter bucket quick connector in this invention.

[0031] In the diagram: 1. First cover; 2. Second cover; 3. Suction pipe; 4. Connecting mechanism; 401. First connecting block; 402. Second connecting block; 403. Limiting groove; 404. Connecting ear; 405. Screw; 406. Nut; 5. Pump connecting pipe; 6. Check valve; 7. Connecting pipe; 8. Vent pipe; 9. Filter head; 10. First connecting ring; 11. Sealing gasket; 12. Second connecting ring; 13. First sealing ring; 14. Second sealing ring; 15. Rotating block; 16. Connecting sleeve; 17. Cleaning mechanism; 171. Mounting plate; 172. Drive motor; 173. Connecting... 174. Connecting rod; 175. Connecting plate; 176. Connecting arm; 177. Brush; 18. End cap; 19. Screw sleeve; 20. Groove plate; 21. Connecting head; 22. Arc hole; 23. Sound transmission hole; 24. Torque block; 25. Control mechanism; 251. Positioning groove; 252. Circuit board; 253. Buzzer; 254. Control module; 255. Battery; 26. Screw groove; 27. Clamping mechanism; 271. Assembly hole; 272. Spring; 273. Limit ring; 274. Top block; 28. Connecting plate; 29. ​​Connecting groove; 30. Countersunk hole; 31. Screw hole; 32. Hand-tightening bolt. Detailed Implementation

[0032] Example 1

[0033] Please see Figures 1-9In this embodiment of the invention, the quick connector for the packaging drum to prevent fugitive VOC emissions includes a first cover 1, a second cover 2, and a pump connection pipe 5. The second cover 2 is threaded to the inner side of the upper end of the first cover 1. A suction pipe 3 is installed on the inner side of the second cover 2. A check valve 6 is provided at the lower end of the suction pipe 3. A connecting pipe 7 is threaded at the lower end connection port of the check valve. A first connecting ring 10 is fixedly connected to the upper end of the suction pipe 3. A sealing gasket 11 is provided at the upper end of the first connecting ring 10. A second connecting ring 12 is fixedly connected to the lower end of the pump connection pipe 5. The same connecting mechanism 4 is provided on the outer side of the first connecting ring 10 and the second connecting ring 12. A vent pipe 8 is installed on the inner side of the second cover 2. The end of the vent pipe 8... All of these penetrate the second cover 2. A filter head 9 is threaded onto the upper end of the vent pipe 8. A connecting sleeve 16 is fixedly installed at the end of the filter head 9 away from the vent pipe 8. A cleaning mechanism 17 is provided on the inner side of the connecting sleeve 16. An end cap 18 is threaded onto the end of the connecting sleeve 16 away from the filter head 9. The vent pipe 8 is used to maintain normal pressure inside the barrel when pumping material, which facilitates material pumping. The pump pipe 5, the connecting pipe 7, and the suction pipe 3 are all made of stainless steel, which has good acid and corrosion resistance. Compared with traditional plastic quick-connect pipes, which are prone to corrosion of the inner wall of the pipe when encountering acidic corrosive materials, bringing in plastic molecules, especially in the semiconductor manufacturing field, this can greatly affect the production quality of the product.

[0034] The connecting mechanism 4 includes a first connecting block 401 and a second connecting block 402. One end of the first connecting block 401 and one end of the second connecting block 402 are rotatably connected. The other ends of both the first connecting block 401 and the second connecting block 402 are fixedly connected to connecting ears 404. A screw 405 is rotatably connected to the inner side of the connecting ear 404 of the second connecting block 402. One end of the screw 405 passes through the connecting ear 404 of the first connecting block 401 and is threadedly connected to a nut 406. Limiting grooves 403 are formed between the opposing surfaces of the first connecting block 401 and the second connecting block 402. A first connecting ring 10 and a second connecting ring 12 are located inside the limiting grooves 403. During use, [the mechanism]... After connecting the second cover 2 and the first cover 1 on the suction pipe 3, and then docking the first connecting ring 10 on the suction pipe 3 and the second connecting ring 12 on the pump connection pipe 5, the first connecting block 401 and the second connecting block 402 that are rotatably connected are directly put into the first connecting ring 10 and the second connecting ring 12 through the limiting groove 403. Then, after rotating the screw 405 on the connecting ear 404 of the second connecting block 402 and rotating the nut 406 at the end of the screw 405, the first connecting block 401 and the second connecting block 402 can be clamped on the first connecting ring 10 and the second connecting ring 12, thus completing the on-site assembly, which is more convenient and simple to install and use.

[0035] The cleaning mechanism 17 includes a mounting plate 171, which is fixedly installed inside the connecting sleeve 16. A drive motor 172 is fixedly installed on one side of the mounting plate 171. The output end of the drive motor 172 passes through the mounting plate 171 and is fixedly installed with a connecting plate 174. Connecting rods 173 are symmetrically fixedly installed on the outer side of the connecting plate 174. A connecting arm 175 is fixedly connected to the end of the connecting rod 173 away from the connecting plate 174. A brush 176 is fixedly installed on the inner side of the connecting arm 175. The connecting sleeve 16 and The filter heads 9 are symmetrically provided with arc holes 22. One end of the connecting rod 173 slides through the arc hole 22. The inner side of the connecting sleeve 16 is provided with a control mechanism 25. The output end of the drive motor 172 drives the connecting plate 174 to swing back and forth inside the connecting sleeve 16, so that the connecting plate 174 is connected to the connecting arm 175 with a brush 176 through the connecting rod 173. This can clean the blockage outside the filter head 9, and ensure that when the suction pipe 3 is sucking material, the air pipe 8 is under normal pressure inside the barrel and is not easily blocked.

[0036] The control mechanism 25 includes a positioning groove 251, which is symmetrically located at one end of the connecting sleeve 16 near the end cap 18. A circuit board 252 is inserted into the inner side of the positioning groove 251. A buzzer 253 and a control module 254 are respectively provided on the outer side of the circuit board 252. A battery 255 is fastened to the outer side of the circuit board 252. A pressing mechanism 27 is provided on the inner side of the end cap 18. The end cap 18 and the circuit board 252 are movably connected through the pressing mechanism 27. A sound transmission hole 23 is provided on the outer side of the connecting sleeve 16. The battery 255 on the circuit board 252 provides power to the control module 254. The control module 254 controls the drive motor 172 to perform reciprocating oscillation. When the detection unit of the control module 254 detects the battery 255's charge level... When the battery 255 reaches a predetermined peak charge, the control module 254 controls the buzzer 253 to sound an alarm, reminding the user to replace the battery 255. The buzzer 253 and the control module 254 are integrated on the circuit board 252. The control module 254 is electrically connected to the buzzer 253 via a conductor and the battery 255, and is also electrically connected to the drive motor 172 via a wire. In addition, in the subsequent design, a button board was added to the inner wall of the connecting sleeve 16. The button on the button board can pass through the connecting sleeve 16, and the button board is electrically connected to the control module 254, allowing manual operation of the control module 254 to control the drive motor 172.

[0037] The clamping mechanism 27 includes a mounting hole 271 and a top block 274. The mounting hole 271 is located on the side of the end cap 18 facing the connecting sleeve 16. A limit ring 273 is fixedly connected to one side of the top block 274. One end of the top block 274 is slidably connected to the inside of the mounting hole 271 via the limit ring 273. A spring 272 is fixedly installed between the top block 274 and the mounting hole 271. The end of the top block away from the end cap 18 is in abutting connection with the circuit board 252. When replacing the battery 255, the end cap 18 can be removed from the connecting sleeve 16. After opening the power supply and pulling out the circuit board 252, replace the battery 255, push the circuit board 252 back into the connecting sleeve 16, and then tighten the end cover 18 onto the connecting sleeve 16. During the tightening process, the top block 274 slides in the mounting hole 271 of the end cover 18 through the limiting ring 273, and a spring 272 is added between the top block 274 and the mounting hole 271. This allows the circuit board 252 to be stably pressed against the connecting sleeve 16 by the top block during installation, thus facilitating its installation and use.

[0038] Please see Figure 3 The lower end of the second cover 2 is provided with a first sealing ring 13, and the lower end of the first cover 1 is provided with a second sealing ring 14. The first sealing ring 13 at the lower end of the second cover 2 can be used to squeeze the first sealing ring 13 to achieve a sealing effect when the first cover 1 and the second cover 2 are connected by threads. The second sealing ring 14 at the lower end of the first cover 1 can achieve a sealing effect between the first cover 1 and the ton container when they are connected by threads.

[0039] Please see Figure 4 The inner side of the connecting ear 404 of the second connecting ring 12 is rotatably connected to a rotating block 15. The rotating block 15 and the end of the screw 405 away from the nut 406 are fixedly installed. By using the rotating block 15 on the connecting ear 404 of the second connecting ring 12, the screw 405 can be easily rotated on the second connecting ring 12.

[0040] Please see Figure 6 The upper end of the vent pipe 8 is fixedly connected to a screw sleeve 19. The upper end of the vent pipe 8 is threadedly installed on the end of the filter head 9 away from the connecting sleeve 16 through the screw sleeve 19. The upper end of the vent pipe 8 and the interior of the filter head 9 are interconnected. The screw sleeve 19 on the vent pipe 8 can be used to facilitate the threaded installation of the vent pipe 8 and the filter head 9.

[0041] Please see Figure 6 A groove 20 is fixedly connected to the outside of the filter head 9. A connector 21 is fixedly installed at the end of the connecting arm 175 away from the connecting rod 173. The end of the connector 21 away from the connecting arm 175 is slidably connected to the inside of the groove of the groove 20. By using the connector 21 at one end of the connecting arm 175 to slide on the inside of the groove 20 on the filter head 9, the stability of the connecting arm 175 when cleaning the filter holes of the filter head 9 can be further improved.

[0042] Please see Figure 9 A connecting groove 29 is provided on the outer side of the connecting arm 175, and a connecting plate 28 is fixedly connected to the outer side of the brush 176. The connecting plate 28 and the connecting groove 29 of the connecting arm 175 are connected by a plug-in connection. The connecting plate 28 has symmetrical screw holes 31 on the side away from the brush 176, and a countersunk hole 30 is provided on the inner side of the connecting arm 175. A hand-tightening bolt 32 is provided on the inner side of the countersunk hole 30. The connecting arm 175 is fixedly installed by the hand-tightening bolt 32 passing through the countersunk hole 30 and the screw hole 31. After the brush 176 is inserted into the connecting groove 29 of the connecting arm 175 through the connecting plate 28, the countersunk hole 30 on the connecting arm 175 overlaps with the screw hole 31 on the connecting plate 28. At this time, the connecting plate 28 of the brush 176 can be easily fixed to the connecting arm 175 by the hand-tightening bolt 32. Conversely, it is also convenient to disassemble and replace the brush 176 when needed.

[0043] Please see Figure 6 and Figure 7 The position of the sound transmission hole corresponds to the position of the buzzer 253. The end of the connecting sleeve 16 facing the end cover 18 is provided with a screw groove 26. The connecting sleeve 16 is threadedly connected to the end cover 18 through the screw groove 26. A torsion block 24 is fixedly connected to the side of the end cover 18 away from the connecting sleeve 16. By using the position of the sound transmission hole to correspond with the buzzer 253, the buzzer 253 can be conveniently used for sound alarm. The connection between the screw sleeve 19 on the connecting sleeve 16 and the end cover 18 with the torsion block 24 can be conveniently installed and connected to the end cover 18.

[0044] Example 2

[0045] Please see Figure 10 The inner side of the second cover 2 is equipped with a suction pipe 3. The lower end of the suction pipe 3 is equipped with a check valve 6. The lower end of the check valve is connected to a connecting pipe 7. The upper end of the suction pipe 3 is fixedly connected to a first connecting ring 10. The upper end of the first connecting ring 10 is equipped with a sealing gasket 11. The lower end of the pump pipe 5 is fixedly connected to a second connecting ring 12. The outer sides of the first connecting ring 10 and the second connecting ring 12 are equipped with the same connecting mechanism 4. The inner side of the second cover 2 is equipped with a vent pipe 8. The ends of the vent pipe 8 all penetrate the second cover 2. The upper end of the vent pipe 8 is threadedly equipped with a filter head 9. The end of the filter head 9 away from the vent pipe 8 is fixedly equipped with a connecting sleeve 16. The inner side of the connecting sleeve 16 is equipped with a cleaning mechanism 17. The end of the connecting sleeve 16 away from the filter head 9 is threadedly connected to an end cap 18. By adopting a solution of only having a second cover 2 and no first cover 1, the quick connector of this packaging barrel can be directly applied to 200-liter plastic barrels or iron barrels after assembly.

[0046] The working principle of this invention is as follows: During use, after connecting the second cover 2 and the first cover 1 on the suction pipe 3, and then docking the first connecting ring 10 on the suction pipe 3 and the second connecting ring 12 on the pump connecting pipe 5, the first connecting block 401 and the second connecting block 402, which are rotatably connected, are directly fitted onto the first connecting ring 10 and the second connecting ring 12 through the limiting groove 403. Then, after rotating the screw 405 on the connecting ear 404 of the second connecting block 402 and rotating the nut 406 at the end of the screw 405, the first connecting block 401 and the second connecting block 402 are clamped onto the first connecting ring 10 and the second connecting ring 12, thus completing the on-site assembly. When used for 200-liter plastic or iron drums, only the first cover 1 needs to be removed. Furthermore, a connecting pipe 7 is threaded onto the check valve 6 interface at the lower end of the suction pipe 3, allowing for installation according to the depth of the drum. In addition, the pump connecting pipe 5 and the connecting pipe 7 in this solution... Both the suction pipe 3 and the suction pipe 4 are made of stainless steel, which has good acid and corrosion resistance. The vent pipe 8 is used to pressurize the inside of the barrel during material extraction, which facilitates material extraction. The filter head 9 installed at the upper end of the vent pipe 8 can filter the air entering the barrel during material extraction to prevent impurities from entering. After connecting the second cover 2 and the first cover 1 on the suction pipe 3, and then docking the first connecting ring 10 on the suction pipe 3 and the second connecting ring 12 on the pump pipe 5, the first connecting block 401 and the second connecting block 402 that are rotatably connected are directly put into the first connecting ring 10 and the second connecting ring 12 through the limiting groove 403. Then, after rotating the screw 405 on the connecting ear 404 of the second connecting block 402 and rotating the nut 406 at the end of the screw 405, the first connecting block 401 and the second connecting block 402 can be clamped on the first connecting ring 10 and the second connecting ring 12, which can complete the on-site assembly and make the installation and use more convenient and simple.

[0047] In use, the output end of the drive motor 172 drives the connecting plate 174 to reciprocate and rotate inside the connecting sleeve 16, so that the connecting plate 174 is connected to the connecting arm 175 with the brush 176 through the connecting rod 173. This can clean the blockage outside the filter head 9, ensuring that when the suction pipe 3 is sucking material, the air pipe 8 is under normal pressure inside the barrel and is not easily blocked. When assembling or disassembling the brush 176, the brush 176 is inserted into the connecting groove 29 of the connecting arm 175 through the connecting plate 28. At the same time, the countersunk hole 30 on the connecting arm 175 overlaps with the screw hole 31 on the connecting plate 28. At this time, the connecting plate 28 of the brush 176 can be easily fixed to the connecting arm 175 by hand-tightening the bolt 32. Conversely, it is also convenient to disassemble and replace the brush 176 when needed.

Claims

1. A quick connector for packaging drums to prevent fugitive VOC emissions, characterized in that, The system includes a first cover (1), a second cover (2), and a pump connecting pipe (5). The second cover (2) is threaded to the inner side of the upper end of the first cover (1). A suction pipe (3) is installed on the inner side of the second cover (2). A check valve (6) is provided at the lower end of the suction pipe (3). A connecting pipe (7) is threaded at the lower end of the check valve (6). A first connecting ring (10) is fixedly connected to the upper end of the suction pipe (3). A sealing gasket (11) is provided at the upper end of the first connecting ring (10). A second connecting ring is fixedly connected to the lower end of the pump connecting pipe (5). 12) The first connecting ring (10) and the second connecting ring (12) are provided with the same connecting mechanism (4) on the outside. The second cover (2) is provided with a vent pipe (8) on the inside. The ends of the vent pipe (8) all penetrate the second cover (2). The upper end of the vent pipe (8) is threaded with a filter head (9). The end of the filter head (9) away from the vent pipe (8) is fixedly installed with a connecting sleeve (16). The inner side of the connecting sleeve (16) is provided with a cleaning mechanism (17). The end of the connecting sleeve (16) away from the filter head (9) is threaded with an end cap (18). The connecting mechanism (4) includes a first connecting block (401) and a second connecting block (402). One end of the first connecting block (401) and one end of the second connecting block (402) are rotatably connected. The other ends of the first connecting block (401) and the second connecting block (402) are fixedly connected with connecting ears (404). A screw (405) is rotatably connected to the inner side of the connecting ears (404) of the second connecting block (402). One end of the screw (405) passes through the connecting ears (404) of the first connecting block (401) and is threadedly connected with a nut (406). A limiting groove (403) is opened between the opposite surfaces of the first connecting block (401) and the second connecting block (402). The first connecting ring (10) and the second connecting ring (12) are located inside the limiting groove (403). The cleaning mechanism (17) includes a mounting plate (171), which is fixedly installed inside the connecting sleeve (16). A drive motor (172) is fixedly installed on one side of the mounting plate (171). A connecting plate (174) is fixedly installed through the mounting plate (171) at the output end of the drive motor (172). A connecting rod (173) is symmetrically fixedly installed on the outer side of the connecting plate (174). A connecting arm (175) is fixedly connected to one end of the connecting rod (173) away from the connecting plate (174). A brush (176) is fixedly installed on the inner side of the connecting arm (175). An arc hole (22) is symmetrically opened between the connecting sleeve (16) and the filter head (9). One end of the connecting rod (173) slides through the arc hole (22). The inner side of the connecting sleeve (16) is provided with a control mechanism (25), the control mechanism (25) includes a positioning groove (251), the positioning groove (251) is symmetrically opened at one end of the connecting sleeve (16) near the end cover (18), a circuit board (252) is inserted into the inner side of the positioning groove (251), a buzzer (253) and a control module (254) are respectively provided on the outer side of the circuit board (252), a battery (255) is fastened to the outer side of the circuit board (252), and a pressing mechanism (27) is provided on the inner side of the end cover (18). The cover (18) is movably connected to the circuit board (252) via the pressing mechanism (27). The outer side of the connecting sleeve (16) is provided with a sound transmission hole (23). The control module (254) controls the drive motor (172) to reciprocate. When the detection unit of the control module (254) detects the battery (255) power, when the battery (255) power reaches the predetermined peak, the control module (254) controls the buzzer (253) to make the buzzer (253) sound an alarm, which can remind the user to change the battery (255).

2. The quick connector for packaging drums to prevent fugitive VOC emissions according to claim 1, characterized in that, The lower end of the second cover (2) is provided with a first sealing ring (13), and the lower end of the first cover (1) is provided with a second sealing ring (14).

3. The quick connector for packaging drums to prevent fugitive VOC emissions according to claim 1, characterized in that, The second connecting ring (12) has a rotating block (15) rotatably connected to the inner side of the connecting ear (404), and the rotating block (15) and the screw (405) are fixedly installed at the end away from the nut (406).

4. The quick connector for packaging drums to prevent fugitive VOC emissions according to claim 1, characterized in that, The upper end of the vent pipe (8) is fixedly connected to a screw sleeve (19). The upper end of the vent pipe (8) is threadedly installed at the end of the filter head (9) away from the connecting sleeve (16) through the screw sleeve (19). The upper end of the vent pipe (8) and the interior of the filter head (9) are interconnected.

5. The quick connector for preventing fugitive VOC emissions in packaging drums according to claim 4, characterized in that, The filter head (9) is fixedly connected to a groove plate (20) on the outside. A connector (21) is fixedly installed at one end of the connecting arm (175) away from the connecting rod (173). The end of the connector (21) away from the connecting arm (175) is slidably connected to the inner side of the groove of the groove plate (20).

6. The quick connector for preventing fugitive VOC emissions in packaging drums according to claim 5, characterized in that, The connecting arm (175) has a connecting groove (29) on its outer side. The brush (176) is fixedly connected to a connecting plate (28). The connecting plate (28) and the connecting groove (29) of the connecting arm (175) are connected by a plug-in connection. The connecting plate (28) has symmetrical screw holes (31) on the side away from the brush (176). The connecting arm (175) has a countersunk hole (30) on its inner side. The countersunk hole (30) has a hand-tightening bolt (32) on its inner side. The connecting arm (175) is fixedly installed to the connecting plate (28) by the hand-tightening bolt (32) passing through the countersunk hole (30) and the screw hole (31).

7. The quick connector for preventing fugitive VOC emissions in packaging drums according to claim 6, characterized in that, The clamping mechanism (27) includes an assembly hole (271) and a top block (274). The assembly hole (271) is located on the side of the end cap (18) facing the connecting sleeve (16). A limit ring (273) is fixedly connected to one side of the top block (274). One end of the top block (274) is slidably connected to the inside of the assembly hole (271) through the limit ring (273). A spring (272) is fixedly installed between the top block (274) and the assembly hole (271). The end of the top block (274) away from the end cap (18) is in abutment connection with the circuit board (252).

8. The quick connector for preventing fugitive VOC emissions in packaging drums according to claim 6, characterized in that, The position of the sound transmission hole (23) corresponds to the position of the buzzer (253). The end of the connecting sleeve (16) facing the end cover (18) is provided with a screw groove (26). The connecting sleeve (16) and the end cover (18) are threadedly connected through the screw groove (26). A torsion block (24) is fixedly connected to the side of the end cover (18) away from the connecting sleeve (16).

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