Device for assisting liquefied petroleum gas cylinder in dumping residues
By designing a device for reversing liquefied petroleum gas cylinders, an automatic reversing mechanism is achieved by rotating a flap, which solves the safety hazards of reversing liquefied petroleum gas cylinders and improves the safety of the reversing operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG GAS GRP CO LTD
- Filing Date
- 2025-05-23
- Publication Date
- 2026-04-28
AI Technical Summary
The lack of a device to assist in tipping over liquefied petroleum gas cylinders poses a safety hazard when they are inverted.
A device comprising a liquefied petroleum gas cylinder, a base, and a flip plate was designed. The liquefied petroleum gas cylinder is automatically inverted by rotating the flip plate, reducing direct contact between the operator and the cylinder, and the residual liquid is discharged using high-pressure gas.
It improves the safety of waste disposal operations, reduces direct contact between operators and liquefied petroleum gas cylinders, and lowers safety hazards.
Smart Images

Figure CN224174975U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of liquefied petroleum gas cylinder emptying technology, specifically to a device for assisting in emptying liquefied petroleum gas cylinders. Background Technology
[0002] After a liquefied petroleum gas (LPG) cylinder is used up, some liquid that cannot be vaporized will remain inside. This liquid is called LPG residue. Since the residue is a flammable and explosive substance, it is highly volatile and will burn or explode if it is poured out. Therefore, safety checks, site preparations, and safety protections before operation are very important. The main methods for emptying LPG cylinder residue include the submerged tilting method, the gas filling method, and the use of a professional residue recovery device.
[0003] The specific operating procedure for emptying liquefied petroleum gas (LPG) cylinders using the gas filling method is as follows: The operator first places the LPG cylinder upright, connects the cylinder's angle valve to the emptying device via the emptying gun, then opens the cylinder's angle valve and the ball valve on the gas phase pipe branch of the emptying device to fill the LPG cylinder with high-pressure gas. When no more gas flow sounds are heard, the filling is complete. Then, the operator gently inverts the LPG cylinder and opens the ball valve on the residual liquid pipe branch, allowing the residual liquid inside the cylinder to be forced into the residual liquid tank under pressure difference. When no more liquid flow sounds are heard, the residual liquid is drained. Due to the lack of an auxiliary device for emptying LPG cylinders, the cylinder is manually inverted, which poses a safety hazard during emptying. Utility Model Content
[0004] The purpose of this utility model is to provide a device to assist in the emptying of liquefied petroleum gas (LPG) cylinders, so as to solve the problem that due to the lack of such a device, LPG cylinders are manually inverted, which leads to safety hazards when emptying them.
[0005] To achieve the above objectives, the basic solution provided by this utility model is as follows: a device for assisting in emptying a liquefied petroleum gas (LPG) cylinder, comprising an LPG cylinder, a base, and a flip plate. Two main frames are fixedly connected to the base, and main shafts are rotatably connected to the two main frames. Each main shaft is fixedly connected to the middle of the flip plate. A support plate is fixedly connected to one end of the two flip plates, and a fixing component for fixing the LPG cylinder is provided at the other end of the two flip plates. An adjustment component for adjusting the length of the flip plates is provided on the two flip plates. Several arc-shaped plates are fixedly connected between the two flip plates, and the arc-shaped plates are engaged with the body of the LPG cylinder.
[0006] The principle and beneficial effects of this utility model are as follows: When emptying the liquefied petroleum gas (LPG) cylinder, the cylinder opening is placed on the fixing component, and then the cylinder body is clamped in the arc-shaped plate, so that the LPG cylinder is placed on the support frame with the cylinder opening facing upwards. Then, the angle valve of the LPG cylinder is connected to the emptying gun, and high-pressure gas is injected into the LPG cylinder. After the gas is injected, the flap is rotated, which drives the LPG cylinder to rotate, so that the cylinder opening faces downwards. The ball valve of the residual liquid pipe branch is opened, so that the residual liquid in the cylinder is forced out under the action of pressure difference. This can reduce the operator's direct contact with the LPG cylinder and increase the operator's safety when emptying the cylinder.
[0007] Option 2, a preferred option of the basic option, includes an Ω-shaped rod with both ends fixed to a flap, and the Ω-shaped rod engaging with the mouth of the liquefied petroleum gas (LPG) cylinder. When placing the LPG cylinder, first clamp the mouth of the LPG cylinder onto the Ω-shaped rod, and then clamp the body of the LPG cylinder onto the arc-shaped plate, thus fixing the LPG cylinder to the flap. In use, this fixing component has a simple structure and is easy to operate.
[0008] Option 3, an optimal choice from the basic option, includes an adjustment component with an extension plate and a flap plate, both having several limiting holes. The extension plate and flap plate are bolted together. When liquefied petroleum gas cylinders of different lengths need to be emptied, the bolts on the extension plate and flap plate are removed according to the actual height of the cylinders. The fixing component is then adjusted to a suitable height for the extension plate and flap plate. The extension plate and flap plate are then fixed using the limiting holes and bolts. Finally, the liquefied petroleum gas cylinder is placed on the flap plate for further emptying, increasing the practicality of the device.
[0009] Option 4, which is the preferred option of the basic option, has casters fixed to one side of the base; the casters can be used to move the liquefied petroleum gas cylinders that need to be emptied to the designated location, reducing the workload of the operator.
[0010] Option 5, which is a preferred option of the basic option, has a stop block fixed to the base, which abuts against the support plate. The stop block holds the support plate in place, so that the angle between the flip plate and the base is less than 90 degrees. This prevents the liquefied petroleum gas cylinder from falling off the flip plate if the operator places the cylinder body first and the fixing components fail to secure the liquefied petroleum gas cylinder, thus increasing the safety of the device.
[0011] Option 6, which is the preferred option of option 2, has reinforcing ribs fixed at both ends of the Ω-shaped rod; the reinforcing ribs can share the pressure borne by the Ω-shaped rod and increase its service life. Attached Figure Description
[0012] Figure 1 This is a perspective view of a device for assisting in emptying liquefied petroleum gas cylinders according to this utility model;
[0013] Figure 2This is a front view of a device for assisting in emptying liquefied petroleum gas cylinders according to this utility model;
[0014] Figure 3 This is a top view of a device for assisting in the emptying of liquefied petroleum gas cylinders according to this utility model;
[0015] Figure 4 This is a schematic diagram of the installation of an auxiliary device for emptying liquefied petroleum gas cylinders according to this utility model. Detailed Implementation
[0016] The present invention will be further described in detail below through specific embodiments:
[0017] The reference numerals in the accompanying drawings of the instruction manual include: 1. base, 2. main frame, 3. stop block, 4. flip plate, 5. arc plate, 6. main shaft, 7. moving wheel, 8. Ω-shaped rod, 10. support plate, 11. extension plate, 12. limiting hole, 13. reinforcing rib, 14. liquefied petroleum gas cylinder.
[0018] Example
[0019] like Figures 1 to 4 As shown: A device for assisting in emptying a liquefied petroleum gas (LPG) cylinder includes an LPG cylinder 14, a base 1, and a flap 4. Two main frames 2 are fixedly connected to the base 1, and main shafts 6 are rotatably connected to each of the two main frames 2. Each main shaft 6 is fixedly connected to the middle of the flap 4. A support plate 10 is fixedly connected to one end of each flap 4, and a fixing assembly for fixing the LPG cylinder 14 is provided at the other end of each flap 4. The fixing assembly includes an Ω-shaped rod 8, both ends of which are fixedly connected to the flap 4. The Ω-shaped rod 8 and the LPG cylinder 14 are... The bottle neck is snapped together, and the two ends of the Ω-shaped rod 8 are fixed with reinforcing ribs 13. The two flip plates 4 are equipped with adjustment components for adjusting the length of the flip plates 4. The adjustment components include an extension plate 11. Both the extension plate 11 and the flip plates 4 have several limiting holes 12. The extension plate 11 and the flip plates 4 are bolted together. Several arc-shaped plates 5 are fixed between the two flip plates 4. The arc-shaped plates 5 are snapped together with the body of the liquefied petroleum gas cylinder 14. A moving wheel 7 is fixedly attached to one side of the base 1. A stop block 3 is fixedly attached to the base 1. The stop block 3 abuts against the support plate 10.
[0020] The implementation method of this embodiment is as follows: First, the liquefied petroleum gas cylinder 14 to be emptied is moved to the designated position by the moving wheel 7. When emptying, first confirm that the stop block 3 abuts the support plate 10 so that the angle between the flip plate 4 and the base 1 is less than 90 degrees. Then, the mouth of the liquefied petroleum gas cylinder 14 is clamped on the Ω-shaped rod 8, and the body of the liquefied petroleum gas cylinder 14 is clamped on the arc plate 5. The bottom of the liquefied petroleum gas cylinder 14 is placed on the support frame so that the liquefied petroleum gas cylinder 14 is fixed on the flip plate 4. At this time, the mouth of the liquefied petroleum gas cylinder 14 is facing upward. Then, the angle valve of the liquefied petroleum gas cylinder 14 is connected to the emptying gun to fill the liquefied petroleum gas cylinder 14 with high-pressure gas. After the filling is completed, the flip plate 4 is rotated to drive the liquefied petroleum gas cylinder 14 to rotate so that the mouth of the liquefied petroleum gas cylinder 14 is facing downward. The ball valve of the residual liquid pipe branch is opened so that the residual liquid in the cylinder is forced out under the action of pressure difference.
[0021] When there are liquefied petroleum gas cylinders 14 of different lengths that need to be emptied, according to the actual height of the liquefied petroleum gas cylinder 14, remove the bolts on the extension plate 11 and the flip plate 4, adjust the fixing components to the appropriate height of the extension plate 11 and the flip plate 4, and then fix the extension plate 11 and the flip plate 4 through the limiting hole 12 and the bolts. Then place the liquefied petroleum gas cylinder 14 on the support plate 10, and the emptying can be carried out.
[0022] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.
Claims
1. A device for assisting in emptying liquefied petroleum gas cylinders, characterized in that, The system includes a liquefied petroleum gas cylinder (14), a base (1), and a flip plate (4). Two main frames (2) are fixedly connected to the base (1). A main shaft (6) is rotatably connected to each of the two main frames (2). Each main shaft (6) is fixedly connected to the middle of the flip plate (4). A support plate (10) is fixedly connected to one end of each of the two flip plates (4). A fixing component for fixing the liquefied petroleum gas cylinder (14) is provided at the other end of each of the two flip plates (4). An adjustment component for adjusting the length of the flip plate (4) is provided on each of the two flip plates (4). Several arc plates (5) are fixedly connected between the two flip plates (4). The arc plates (5) are engaged with the body of the liquefied petroleum gas cylinder (14).
2. The device for assisting in emptying liquefied petroleum gas cylinders according to claim 1, characterized in that, The fixing component includes an Ω-shaped rod (8), both ends of which are fixed to a flap (4), and the Ω-shaped rod (8) is snapped into the mouth of a liquefied petroleum gas cylinder (14).
3. The device for assisting in emptying liquefied petroleum gas cylinders according to claim 1, characterized in that, The adjustment assembly includes an extension plate (11), and both the extension plate (11) and the flip plate (4) have several limiting holes (12). The extension plate (11) and the flip plate (4) are bolted together.
4. The device for assisting in emptying liquefied petroleum gas cylinders according to claim 1, characterized in that, A movable wheel (7) is fixedly attached to one side of the base (1).
5. The device for assisting in emptying liquefied petroleum gas cylinders according to claim 1, characterized in that, A stop block (3) is fixedly connected to the base (1), and the stop block (3) abuts against the support plate (10).
6. The device for assisting in emptying liquefied petroleum gas cylinders according to claim 2, characterized in that, The Ω-shaped rod (8) is fixed with reinforcing ribs (13) at both ends.