Draw-bar locking and releasing mechanism and draw-bar box
By designing a multi-component linkage pull rod locking and release mechanism, the problems of the existing pull rod being easily damaged and the user being subjected to gravity when used incline, achieving stable and reliable connection and flexible use of the pull rod.
CN222675635UActive Publication Date: 2025-03-28XIANGSHAN WAHSUN PLASTIC & RUBBER PROD CO LTD
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Patent Information
- Application Number
- CN202421594001.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-08
AI Technical Summary
Technical Problem
When the existing trolley box tilts the box, the trolley is easily damaged and the user also needs to bear more gravity.
Method used
A tie rod locking and release mechanism is designed to realize the simultaneous unlocking and locking of four locking positions through the linkage of the button and the locking assembly, so that the upper end of the tie rod and the box plate can be detachably connected.
Benefits of technology
The stable and reliable connection of the tie rod is achieved. It can be used for fixed tie rods or individually tilt and drag the box plate, reducing damage to the tie rods and gravity borne by the user.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a draw bar lock release mechanism and draw bar box, including boxboard, draw bar, button, locking subassembly, the lower end of draw bar with boxboard hinge joint, locking subassembly includes first locking piece, second locking piece, third locking piece and fourth locking piece, draw bar includes left rod portion and right rod portion, and the left rod portion and right rod portion are connected with each other. The button, the first locking piece and the fourth locking piece are sequentially connected in a linkage mode, the button, the second locking piece and the third locking piece are sequentially connected in a linkage mode, a first clamping block is arranged on the first locking piece, a second clamping block is arranged on the second locking piece, a third clamping block is arranged on the third locking piece, and a fourth clamping block is arranged on the fourth locking piece. The first clamping block and the third clamping block are locked with the left side and the right side of the left rod part respectively, the fourth clamping block and the second clamping block are locked with the left side and the right side of the right rod part respectively, four locking positions are unlocked and locked at the same time through linkage among multiple components, the structure is simple, stable and reliable, the pull rod can be independently inclined, a box plate can be dragged, and operation is convenient. And the box body of the draw-bar box cannot be pressed on the draw bar.
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