Sofa bed structure capable of saving labor during pushing and pulling
The design, which uses a gear and rack drive and a side ball bearing slide rail connection, solves the problem of traditional push-pull sofa beds requiring a lot of force, achieving rapid push-pull and improved stability, making it suitable for family living rooms, guest rooms, offices and other scenarios.
CN224420520UActive Publication Date: 2026-06-30DONGGUAN YONGFENG SMART HOME TECHNOLOGY CO LTD
0 Cites 0 Cited by
Patent Information
- Application Number
- CN202521949773.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-06-30
- Estimated Expiration
- 2035-09-11
AI Technical Summary
Technical Problem
Traditional pull-out sofa beds require considerable effort and time to push and pull, and are inconvenient to use, especially when they are heavy.
Method used
The design employs a gear and rack transmission and a side ball bearing slide rail connection. It utilizes the meshing of gears of different sizes to achieve accelerated transmission. Combined with the staggered front and rear slots, it ensures the smoothness and stability of the bed frame during the stretching and shrinking process.
Benefits of technology
It reduces the effort required for users, improves the user experience, shortens the pushing and pulling time, is suitable for different groups of people, and improves the service life and safety of sofa beds.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a push-pull labor-saving sofa bed structure, relates to the related field of sofa beds, and aims to solve the problems in the prior art that the push-pull stroke is not changed, and the operation is time-consuming and labor-consuming on the basis of heavier dead weight of a sofa push-pull bed frame. The fixed base comprises a first limiting plate, the lower end of the first limiting plate is rotationally connected with a first rotating gear through a shaft, and the lower end of the first rotating gear is coaxially connected with a second rotating gear; the front moving bed frame comprises a second limiting plate, a plurality of lower fixing blocks are fixed to the lower end of the second limiting plate in an array mode, first racks are integrally connected to the front ends of the lower fixing blocks, and the first racks correspond to first rotating gears in the left-right position and are connected with the first rotating gears in a meshed mode; and the push-pull assembly comprises a lower sliding plate, a plurality of front fixing blocks are fixed to the rear end of the lower sliding plate in an array mode, the rear ends of the front fixing blocks are integrally connected with second racks, and the second racks correspond to second rotating gears in the left-right position and are connected with the second rotating gears in a meshed mode.
Need to check novelty before this filing date? Find Prior Art