A protective cage suitable for a packaging barrel

Abstract

This application relates to the field of packaging equipment technology, specifically to a protective frame suitable for packaging drums, used to support and protect rectangular packaging drums. The protective frame includes at least a frame assembly, a narrowing section, a connecting section, and a self-retaining cover. The frame assembly includes: a horizontal frame, a connecting rod, and supporting corners. From bottom to top, the third horizontal frame has a narrowing section formed at its front center. From bottom to top, the second horizontal frame has a downwardly recessed connecting section at its front center for easy pipe installation. The self-retaining cover is hinged to the narrowing rod and includes a cover assembly and a locking assembly. The protective frame for packaging drums described in this application includes a self-retaining cover to shield and protect the valve at the bottom of the packaging drum, preventing damage to the valve or leakage of liquid inside the packaging drum during transportation.

Description

Technical Field

[0001] This application relates to the field of packaging equipment technology, and more specifically to a protective frame suitable for packaging drums. Background Technology

[0002] Packaging containers are important equipment for transferring liquid materials, with a commonly used capacity of 1000L, also known as tonnes. A tonne container includes a corrosion-resistant inner container and a protective frame for holding the inner container. The protective frame serves at least the following purposes: 1. Protection against collisions and impacts: Preventing damage to the tonne container from impacts, compression, or drops during handling and daily operations; 2. Enhancing stacking stability: tonne containers should be stacked at least two layers vertically, and the protective frame provides structural support during stacking; 3. Protecting valves and discharge ports: Valves are located at the bottom of the inner container, requiring self-retaining caps for additional protection.

[0003] However, existing protective frames still have the following problems: when connecting pipes to valves, the self-holding cover must be opened, but the existing self-holding cover is simply hinged to the protective frame. Even if the self-holding cover is opened upwards, it is easy for it to fall under the action of gravity, causing the valve to be blocked or even damaged. Therefore, it is necessary to design a protective frame that can keep the self-holding cover in an open position. Utility Model Content

[0004] A protective frame for packaging drums, used to support and protect rectangular packaging drums: The protective frame includes at least a frame assembly, a narrowing section, a connecting section, and a self-holding cover; The frame assembly includes: A horizontal frame, in the form of a rectangular border distributed horizontally, with at least four horizontal frames distributed from top to bottom; A connecting rod is provided along the longitudinal direction, and the connecting rod connects to the horizontal frame. There are four supporting corners, with one supporting corner at each of the four corners of the bottom horizontal frame. Counting from bottom to top, the third horizontal frame has its front center narrowed to form a narrow section; Counting from bottom to top, the second horizontal frame has a recessed section at the front center that facilitates the installation of pipes. The self-holding cover is hinged to the reduced diameter rod body, and the self-holding cover includes a cover plate assembly and a locking assembly; The cover plate assembly includes a cover plate body, a hinge lug provided above the cover plate body for hinged connection with a reduced diameter rod, and a longitudinal through hole provided on the cover plate body. The longitudinal through hole has a limiting side hole on the left and right, and a central light rod is provided in the middle of the longitudinal through hole along the longitudinal direction. A reset spring is also wound around the central light rod. The locking assembly includes a slidable locking slider sleeved on the central optical rod. The locking slider is located below the reset spring. The left and right sides of the locking slider are respectively provided with limiting side blocks that are inserted and cooperate with the corresponding limiting side holes. The front end face of the locking slider is also provided with a sliding lock head. The front of the sliding lock head is also provided with a pressure-receiving inclined surface that gradually slopes backward from top to bottom. The rear of the sliding lock head is provided with an upwardly recessed receiving groove.

[0005] Further: The upper half of the side of the frame assembly with the connecting part has a nameplate.

[0006] Further: The upper end of the central light rod is fixedly connected to the vertical through hole, and the lower end of the central light rod is disconnected from the lower end of the vertical through hole; The self-holding cover also includes a bottom adjustment device for adjusting the damping of the reset spring. The bottom adjustment device includes a lower guide hole at the lower end of the central guide rod, a side anti-rotation hole on the side of the lower guide hole, a sliding collar slidably sleeved on the central guide rod, and a driven plug on the inner wall of the sliding collar that is inserted into the side anti-rotation hole. An adjusting screw is rotatably provided in the lower guide hole. The lower end of the adjusting screw is also provided with a torsion terminal located below the central guide rod. The stop end of the driven plug is provided with an incomplete thread that is screwed into the adjusting screw.

[0007] Further: The side anti-rotation hole is provided with at least two.

[0008] The beneficial effects of the proposed solution in this case are as follows: The protective frame for packaging drums described in this case has a connector that is particularly suitable for the switch valve at the bottom of the packaging drum. In use, the pipe is passed through the connector and then screwed onto the switch valve at the bottom of the packaging drum.

[0009] The protective frame for packaging drums described in this case is equipped with a self-retaining cover to shield and protect the switch valve at the bottom of the packaging drum, preventing damage to the switch valve or even leakage of liquid inside the packaging drum during transportation.

[0010] The protective frame described in this case has a self-holding cover that automatically maintains its position when open. After the sliding lock head of the locking component moves past the front end of the horizontal frame, the receiving groove can lock the front end of the horizontal frame, so that the self-holding cover can be effectively kept open for a long time. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of one embodiment of the packaging barrel and protective frame described in this case.

[0012] Figure 2 This is a front view of one embodiment of the packaging drum and protective frame described in this case.

[0013] Figure 3 This is a schematic diagram of one embodiment of the protective frame.

[0014] Figure 4 This is a side view of one embodiment of the protective frame.

[0015] Figure 5 This is a cross-sectional view of one embodiment of the protective frame.

[0016] Figure 6 This is a schematic diagram of one embodiment of the self-holding cover.

[0017] Figure 7 yes Figure 5 Enlarged schematic diagram of part A in the middle.

[0018] Figure 8 This is a cross-sectional view of one embodiment of the self-holding cover.

[0019] In the picture: 9. Protective frame; 8. Packaging drums; 1. Frame assembly; 11. Horizontal frame; 111. Reduced diameter rod; 12. Connecting longitudinal rod; 13. Supporting corner; 2. Narrowing section; 3. Connecting section; 4. Self-retaining cover; 41. Cover plate assembly; 411. Cover plate body; 412. Hinge lug; 413. Vertical through hole; 414. Limiting side hole; 415. Centrally placed light rod; 416. Reset spring; 42. Locking assembly; 421. Locking slider; 422. Limiting side block; 423. Sliding lock head; 424. Pressure inclined surface; 425. Receiving groove; 43. Bottom adjustment device; 431. Lower guide hole; 432. Side anti-rotation hole; 433. Sliding collar; 434. Driven insert; 435. Adjusting screw; 436. Torque terminal; 5. Nameplate. Detailed Implementation

[0020] A protective frame for packaging drums, used to support and protect rectangular packaging drums 8: The protective frame 9 includes at least a frame assembly 1, a narrowing section 2, a connecting section 3, and a self-retaining cover 4; The frame assembly 1 includes: The horizontal frame 11 is a rectangular border shape distributed horizontally, and there are at least four horizontal frames 11 distributed from top to bottom; A connecting rod 12 is provided along the longitudinal direction, and the connecting rod 12 is connected to the horizontal frame 11; There are four supporting corner brackets 13, one of each of the four corners of the bottom horizontal frame 11. Counting from bottom to top, the third horizontal frame 11 narrows in the middle of its front to form a narrow section 2; Counting from bottom to top, the second horizontal frame 11 has a recessed front center with a connecting part 3 for easy pipe installation. The self-holding cover 4 is hinged to the reduced diameter rod 111, and the self-holding cover 4 includes a cover plate assembly 41 and a locking assembly 42. The cover plate assembly 41 includes a cover plate body 411, a hinge lug 412 disposed above the cover plate body 411 for hinged connection with the reduced diameter rod 111, and a longitudinal through hole 413 disposed on the cover plate body 411. The longitudinal through hole 413 is provided with a limiting side hole 414 on the left and right sides respectively. A central light rod 415 is provided in the middle of the longitudinal through hole 413 along the longitudinal direction. A reset spring 416 is also wound around the central light rod 415. The locking assembly 42 includes a slidable locking slider 421 sleeved on the central light rod 415. The locking slider 421 is located below the reset spring 416. The left and right sides of the locking slider 421 are respectively provided with limiting side blocks 422 that are inserted and cooperate with the corresponding limiting side holes 414. The front end face of the locking slider 421 is also provided with a sliding lock head 423. The front of the sliding lock head 423 is also provided with a pressure-receiving inclined surface 424 that gradually slopes backward from top to bottom. The rear of the sliding lock head 423 is provided with an upwardly recessed receiving groove 425.

[0021] Further: The upper half of the side of the frame assembly 1 with the connecting part 3 is provided with a nameplate 5.

[0022] Further: The upper end of the central light rod 415 is fixedly connected to the vertical through hole 413, and the lower end of the central light rod 415 is disconnected from the lower end of the vertical through hole 413. The self-holding cover 4 also includes a bottom adjustment device 43 for adjusting the damping of the reset spring 416. The bottom adjustment device 43 includes a lower guide hole 431 located at the lower end of the central light rod 415, a side anti-rotation hole 432 located on the side of the lower guide hole 431, a sliding collar 433 slidably sleeved on the central light rod 415, and a driven plug 434 located on the inner wall of the sliding collar 433 and inserted into the side anti-rotation hole 432. An adjusting screw 435 is rotatably provided in the lower guide hole 431. A torsion terminal 436 is also provided at the lower end of the adjusting screw 435 located below the central light rod 415. The stop end of the driven plug 434 is provided with an incomplete thread that is screwed into the adjusting screw 435.

[0023] Further: The side anti-rotation hole 432 is provided with at least two.

[0024] It should be noted that each side of the horizontal frame 11 is provided with at least three connecting vertical rods 12.

[0025] It should be noted that the upper end of the supporting corner 13 is fixedly connected to the lower end of the second horizontal frame 11 from bottom to top.

[0026] It should be noted that the upper end of the central light rod 415 is connected to the upper end of the longitudinal through hole 413 by welding, bonding, bolting, or other methods. One feasible installation method is to first install the bottom adjustment device 43 below the central light rod 415, then install the locking assembly 42 above it, and finally weld, bond, or bolt the upper end of the central light rod 415 to the longitudinal through hole 413.

[0027] The protective frame for packaging drums described in this case has a connecting part 3 that is particularly suitable for the switch valve below the packaging drum 8. When in use, the pipe can be passed through the connecting part 3 and then screwed onto the switch valve below the packaging drum 8.

[0028] The protective frame for packaging drums described in this case is equipped with a self-retaining cover 4 to shield and protect the switch valve under the packaging drum 8, so as to prevent damage to the switch valve or even leakage of liquid inside the packaging drum 8 caused by squeezing during transportation.

[0029] The protective frame described in this case has a self-holding cover 4 that automatically maintains its posture when open, as detailed below: Rotate the self-retaining cover 4 to fold it upwards around the narrowed part 2; The sliding lock head 423 of the locking assembly 42 has its pressure inclined surface 424 pressed by the front end of the horizontal frame 11. The sliding lock head 423 overcomes the damping of the reset spring 416 and drives the locking assembly 43 downward until the sliding lock head 423 passes the front end of the horizontal frame 11 and resets upward again. The receiving groove 425 stops the front end of the horizontal frame 11, and the posture of the self-holding cover 4 is automatically locked.

[0030] Furthermore, this design also allows for adjustment of the starting resistance of the self-holding cover 4: Rotate the torsion terminal 436 and the adjusting screw 435. The adjusting screw 435 acts on the driven insert 434, thereby driving the sliding collar 433 to move up and down, adjusting the compression and elasticity of the reset spring 416 under normal conditions, and thus adjusting the resistance of the locking assembly 42 to move down.

Claims

1. A protective frame for packaging drums, used to support and protect rectangular packaging drums (8), characterized in that: The protective frame (9) includes at least a frame assembly (1), a narrowing section (2), a connecting section (3), and a self-holding cover (4). The frame assembly (1) includes: The horizontal frame (11) is a rectangular border shape distributed horizontally, and there are at least four horizontal frames (11) distributed from top to bottom; A connecting rod (12) is provided along the longitudinal direction, and the connecting rod (12) is connected to the horizontal frame (11). There are four supporting corners (13), one supporting corner (13) is provided above each of the four corners of the bottom horizontal frame (11). Counting from bottom to top, the third horizontal frame (11) has its front middle section narrowed to form a narrow section (2). Counting from bottom to top, the second horizontal frame (11) has a recessed part (3) in the front center that facilitates the installation of pipes. The self-holding cover (4) is hinged to the reduced diameter rod (111), and the self-holding cover (4) includes a cover plate assembly (41) and a locking assembly (42). The cover plate assembly (41) includes a cover plate body (411), a hinge lug (412) provided above the cover plate body (411) for hinged connection with the reduced diameter rod (111), and a longitudinal through hole (413) provided on the cover plate body (411). The longitudinal through hole (413) is provided with a limiting side hole (414) on the left and right respectively. A central light rod (415) is provided in the middle of the longitudinal through hole (413) along the longitudinal direction. A reset spring (416) is also wound around the central light rod (415). The locking assembly (42) includes a locking slider (421) that is slidably sleeved on the central light rod (415). The locking slider (421) is located below the reset spring (416). The left and right sides of the locking slider (421) are respectively provided with limiting side blocks (422) that are inserted and cooperate with the corresponding limiting side holes (414). The front end face of the locking slider (421) is also provided with a sliding lock head (423). The front of the sliding lock head (423) is also provided with a pressure inclined surface (424) that gradually slopes backward from top to bottom. The rear of the sliding lock head (423) is provided with an upwardly recessed receiving groove (425).

2. The protective frame for packaging drums according to claim 1, characterized in that: The frame assembly (1) has a nameplate (5) on the upper half of the side with the connecting part (3).

3. A protective frame suitable for packaging drums according to claim 2, characterized in that: The upper end of the central light rod (415) is fixedly connected to the vertical through hole (413), and the lower end of the central light rod (415) is disconnected from the lower end of the vertical through hole (413). The self-holding cover (4) also includes a bottom adjustment device (43) for adjusting the damping of the reset spring (416). The bottom adjustment device (43) includes a lower guide hole (431) at the lower end of the central light rod (415), a side anti-rotation hole (432) on the side of the lower guide hole (431), a sliding collar (433) slidably sleeved on the central light rod (415), and a driven plug (434) provided on the inner wall of the sliding collar (433) and inserted into the side anti-rotation hole (432). An adjusting screw (435) is rotatably provided in the lower guide hole (431). A torsion terminal (436) is also provided at the lower end of the adjusting screw (435) below the central light rod (415). The stop end of the driven plug (434) is provided with an incomplete thread that is screwed into the adjusting screw (435).

4. A protective frame suitable for packaging drums according to claim 3, characterized in that: The side anti-rotation hole (432) is provided with at least two.

Images