Aluminum magnesium alloy box with detachable pull rod

By designing a detachable pull rod structure in the aluminum-magnesium alloy trolley case, the problem of easy damage and difficulty in replacement of the pull rod is solved, realizing the convenience and practicality of users replacing the pull rod themselves.

CN223614313UActive Publication Date: 2025-12-02HEBEI JUNZHICHENG PACKAGING PROD CO LTD
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Patent Information

Application Number
CN202423272842.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-02
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The handles of existing aluminum-magnesium alloy trolley cases are prone to bending or breaking after prolonged use, and users often find it difficult to replace them themselves, usually requiring the replacement of the entire case or professional repair, making them impractical.

Method used

An aluminum-magnesium alloy case with a detachable pull rod was designed. By setting a replacement mechanism and a limiting mechanism on the case body, including components such as grooves, fixing plates, sliders, gears and adjusting knobs, the pull rod can be easily disassembled and replaced.

Benefits of technology

Users can quickly replace damaged pull rods themselves, improving practicality and avoiding the need for whole-box replacement or professional repair, thus saving costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of draw-bar boxes, in particular to an aluminum magnesium alloy box with a detachable draw bar. And the replacing mechanism is arranged on the box body and comprises a first groove, the first groove is formed in the box body, a fixing plate is fixedly connected into the first groove, and a pull rod and two first sliding blocks are placed into two mounting grooves and two first sliding grooves, so that an adjusting knob, a rotating shaft and a gear are conveniently rotated; the gear drives two toothed plates, two sliding grooves and the like to move, the sliding grooves conveniently drive clamping blocks to move into clamping grooves, a first sliding block and a pull rod are fixed and limited, operation is easy and fast, a user can replace the pull rod by himself / herself, practicability is improved, through cooperation of a spring, a third sliding block, a limiting block and the like, an adjusting button is conveniently limited, and practicability is improved. And rotation of the adjusting knob, the rotating shaft and the like under the non-manual condition is avoided, and the stability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of trolley case technology, specifically to an aluminum-magnesium alloy case with a detachable trolley handle. Background Technology

[0002] As people's living standards and consumption levels continue to improve, all kinds of bags have become indispensable accessories. People demand that bags not only be more practical, but also more decorative.

[0003] Aluminum-magnesium alloy suitcases are trolley cases made of aluminum-magnesium alloy. They are lightweight, sturdy, waterproof, and wear-resistant, making them suitable for various travel environments.

[0004] Aluminum-magnesium alloy trolley cases are widely used due to their ease of use. However, existing aluminum-magnesium alloy trolley cases are prone to bending or breaking after prolonged use because the trolley handle needs to bear heavy loads frequently. Moreover, existing trolley handles are generally inserted into the inside of the case and secured with multiple screws, making it inconvenient for users to manually replace the handle themselves. In general, users can only replace the case or seek professional repair. Once damaged, the case can only be discarded or repaired at a cost. Existing trolley cases are not very practical. Therefore, we propose an aluminum-magnesium alloy case with a detachable handle. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides an aluminum-magnesium alloy case with a detachable pull rod, which solves the problem mentioned in the background art that the existing technology is not convenient for users to manually replace the pull rod. In general, users can only replace the case or find a professional repairman to repair it. Once damaged, it can only be discarded or repaired at a cost. The existing case is not very practical.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an aluminum-magnesium alloy box with a detachable pull rod, comprising:

[0009] Box;

[0010] A replacement mechanism is provided on the housing. The replacement mechanism includes a first groove, which is formed on the housing. A fixing plate is fixedly connected to the first groove. The fixing plate has a control groove, a second groove, two mounting grooves, and two sliding grooves. The sliding grooves communicate with the mounting grooves. A pull rod is placed in each of the two mounting grooves. A slider is slidably connected to each of the two sliding grooves, and both sliders are fixedly connected to the pull rods. Two openings are formed between the control groove and the sliding grooves, and locking blocks are slidably connected to each opening. The slider has two slots, and the locking block is adapted to the slot. A sliding groove is fixedly connected to the locking block, and a toothed plate is fixedly connected in the sliding groove. A second sliding groove is opened on the locking block. The four locking blocks are arranged in pairs, and the sliding groove is adapted to the second sliding groove. A rotating shaft is rotatably connected in the control groove. Two gears are fixedly sleeved on the rotating shaft. The gears are located between the two toothed plates and mesh with the two toothed plates. The rotating shaft passes through the second groove and is fixedly connected to an adjustment knob for easy disassembly and replacement of the pull rod.

[0011] A limiting mechanism is provided in the second groove to limit the adjustment knob.

[0012] Preferably, the limiting mechanism includes a sliding groove three and two limiting slots. The sliding groove three is formed in the groove two, and the two limiting slots are formed on the adjusting knob. A slider three is slidably connected in the sliding groove three. A spring is provided between the slider three and the sliding groove three. A limiting block is fixedly connected to the slider three. The limiting block is located in one of the limiting slots to improve the stability of the adjusting knob.

[0013] Furthermore, a shield is rotatably connected within the second groove, and a connecting block is fixedly connected to the shield. The connecting block is detachably connected to the housing via a hand-tightened screw.

[0014] Furthermore, a baffle plate is fixedly connected inside the control slot.

[0015] Furthermore, a stabilizing shaft is fixedly connected inside the slide groove three, the slider three is slidably connected to the stabilizing shaft, and the spring is sleeved on the stabilizing shaft.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides an aluminum-magnesium alloy box with a detachable pull rod, which has the following advantages:

[0018] This aluminum-magnesium alloy case with a detachable pull rod allows the pull rod and two sliders to be inserted into two mounting slots and two sliding grooves. This facilitates the rotation of the adjustment knob, shaft, and gears. The gears drive two toothed plates and two sliding grooves to move, allowing the sliding grooves to move the locking block into the locking slot, thus fixing and limiting the sliders and pull rod. The operation is simple and quick, allowing users to easily replace the pull rod themselves, improving practicality. Through the cooperation of springs, sliders, and limiting blocks, the adjustment knob is easily limited, preventing the adjustment knob and shaft from rotating without manual intervention, thus improving stability. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present application;

[0020] Figure 2 This is a partial cross-sectional perspective view of the three-dimensional structure of the fixing plate in this application;

[0021] Figure 3 This is a three-dimensional structural diagram of the toothed plate, sliding groove, etc., in this application;

[0022] Figure 4 For this application Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0023] In the diagram: 1. Housing; 2. Fixing plate; 3. Control groove; 4. Pull rod; 5. Slider 1; 6. Locking block; 7. Sliding groove; 8. Gear plate; 9. Sliding groove 2; 10. Rotating shaft; 11. Gear; 12. Adjusting knob; 13. Slider 3; 14. Spring; 15. Limiting block; 16. Shield; 17. Connecting block; 18. Shielding plate; 19. Stabilizing shaft. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example

[0026] Please see Figures 1-4 An aluminum-magnesium alloy case with a detachable pull rod, comprising:

[0027] Box 1;

[0028] The replacement mechanism is located on the housing 1 and includes a groove 1. A fixing plate 2 is fixedly connected to the groove 1. The fixing plate 2 has a control groove 3, a second groove, two mounting grooves, and two sliding grooves 1. The sliding grooves 1 communicate with the mounting grooves. A pull rod 4 is placed in each of the two mounting grooves. A slider 5 is slidably connected to each sliding groove 1, and both sliders 5 are fixedly connected to the pull rod 4. Two openings are formed between the control groove 3 and the sliding grooves 1, and locking blocks 6 are slidably connected within these openings. Two locking slots are formed on each slider 5, and the locking blocks 6 are adapted to these slots. A sliding groove 7 is fixedly connected to each locking block 6, and a toothed plate 8 is fixedly connected within the sliding groove 7. The card block 6 has a second sliding groove 9. The four card blocks 6 are in pairs. The sliding groove 7 is adapted to the second sliding groove 9. The control groove 3 is rotatably connected to the rotating shaft 10. Two gears 11 are fixedly sleeved on the rotating shaft 10. The gears 11 are located between two toothed plates 8 and mesh with the two toothed plates 8. The rotating shaft 10 passes through the second groove and is fixedly connected to the adjusting knob 12. The slider 5 is used to limit and stabilize the pull rod 4. The rotating shaft 10, gears 11, etc. are used to drive the toothed plates 8 to move. The sliding groove 7 is used to slide in the second sliding groove 9. The card block 6 is used to lock in the card groove. It can limit the slider 5 and the pull rod 4, and also facilitates the disassembly and replacement of the pull rod 4.

[0029] The limiting mechanism is set in the groove 2. The limiting mechanism includes a slide groove 3 and two limiting slots. The slide groove 3 is opened in the groove 2, and the two limiting slots are opened on the adjusting knob 12. A slider 3 13 is slidably connected in the slide groove 3. A spring 14 is set between the slider 3 13 and the slide groove 3. A limiting block 15 is fixedly connected to the slider 3 13. The limiting block 15 is located in one of the limiting slots. The spring 14 is used to provide elastic force. The slider 3 13 is used to slide. The limiting block 15 is used to lock in the limiting slot, which can improve the stability of the adjusting knob 12.

[0030] A shield 16 is rotatably connected inside the groove 2. A connecting block 17 is fixedly connected to the shield 16. The connecting block 17 is detachably connected to the housing 1 by a hand-tightening screw. It is used to shield the adjustment knob 12, which can protect it and improve its appearance.

[0031] A shielding plate 18 is fixedly connected inside the control slot 3 to shield the control slot 3.

[0032] The slide groove 3 is fixedly connected to the stabilizing shaft 19, the slider 3 13 is slidably connected to the stabilizing shaft 19, and the spring 14 is sleeved on the stabilizing shaft 19 to improve the stability of the spring 14 and the slider 3 13.

[0033] In summary, the working principle and process of this detachable pull rod aluminum-magnesium alloy box are as follows: First, place the detachable pull rod aluminum-magnesium alloy box at the desired location. Then, when the pull rod 4 needs to be replaced, turn the lower screw to open the cover 16. At this time, the user moves the limit block 15, causing the limit block 15 to drive the slider 13 to compress the spring 14. The limit block 15 no longer limits the adjustment knob 12. The user turns the adjustment knob 12, which drives the rotating shaft 10 and gear 11 to rotate. The gear 11 drives the two toothed plates 8 and the two sliding grooves 7 to move. At this time, the sliding groove 7 will slide in the second sliding groove 9. Then, the sliding groove 7 drives the locking block 6 to move out of the locking groove. In this way, the pull rod 4 and the slider 5 can be removed, which is convenient for users to replace. This device is simple and quick to operate, and users can easily replace it themselves, avoiding the need to find professional repair personnel or lose it, saving costs and improving practicality.

[0034] The above embodiments merely illustrate specific implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. An aluminum-magnesium alloy case with a detachable pull rod, characterized in that, include: Box (1); The replacement mechanism is set on the housing (1). The replacement mechanism includes a groove 1, which is opened on the housing (1). A fixing plate (2) is fixedly connected in the groove 1. The fixing plate (2) is provided with a control groove (3), a second groove, two mounting grooves and two sliding grooves 1. The sliding grooves 1 are connected to the mounting grooves. A pull rod (4) is placed in the two mounting grooves. A slider 1 (5) is slidably connected in the sliding groove 1. Both sliders 1 (5) are fixedly connected to the pull rod (4). Two openings are opened between the control groove (3) and the sliding groove 1. A locking block (6) is slidably connected in the openings. Two locking blocks (6) are opened on the slider 1 (5). Each card slot has a card block (6) that is adapted to the card slot. A sliding groove (7) is fixedly connected to the card block (6). A toothed plate (8) is fixedly connected inside the sliding groove (7). A second sliding groove (9) is opened on the card block (6). The four card blocks (6) are arranged in pairs. The sliding groove (7) is adapted to the second sliding groove (9). A rotating shaft (10) is rotatably connected inside the control groove (3). Two gears (11) are fixedly sleeved on the rotating shaft (10). The gears (11) are located between the two toothed plates (8). The gears (11) mesh with the two toothed plates (8). The rotating shaft (10) passes through the second groove and is fixedly connected to an adjusting knob (12). A limiting mechanism is provided in the second groove to limit the adjustment knob (12).

2. The aluminum-magnesium alloy case with a detachable pull rod according to claim 1, characterized in that: The limiting mechanism includes a sliding groove three and two limiting slots. The sliding groove three is opened in the groove two, and the two limiting slots are opened on the adjusting knob (12). A slider three (13) is slidably connected in the sliding groove three. A spring (14) is provided between the slider three (13) and the sliding groove three. A limiting block (15) is fixedly connected on the slider three (13), and the limiting block (15) is located in one of the limiting slots.

3. The aluminum-magnesium alloy case with a detachable pull rod according to claim 2, characterized in that: A shield (16) is rotatably connected inside the groove 2. A connecting block (17) is fixedly connected to the shield (16). The connecting block (17) is detachably connected to the box body (1) by a hand-tightening screw.

4. The aluminum-magnesium alloy case with a detachable pull rod according to claim 3, characterized in that: A baffle plate (18) is fixedly connected inside the control slot (3).

5. The aluminum-magnesium alloy case with a detachable pull rod according to claim 4, characterized in that: The sliding groove is fixedly connected to a stabilizing shaft (19), the slider (13) is slidably connected to the stabilizing shaft (19), and the spring (14) is sleeved on the stabilizing shaft (19).