坐姿拉背训练器
By designing a vertical rack in the seated back extension trainer to store weight plates, the problem of large footprint of existing trainers is solved, achieving more efficient space utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANTONG IRONMASTER SPROTING IND
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing seated back extension trainers require a weight plate rack, resulting in a large footprint.
Design a seated back-stretching trainer that includes a base frame, a vertical frame, a back-stretching mechanism, and a connecting tube. The trainer uses the weight plate rod on the vertical frame to store weight plates, eliminating the need for an additional weight plate rack and reducing the floor space required.
This design allows for efficient storage of bells without increasing the floor space, thus improving the space utilization of the trainer.
Smart Images
Figure CN224506178U_ABST
Abstract
Claims
1. A seated back-pulling exerciser, characterized by, include: The base frame is equipped with a seat cushion; A vertical frame is fixedly connected to the base frame. The vertical frame includes two inclined vertical tubes. The side of one vertical tube away from the base frame is inclined toward the other vertical tube. A plurality of first bell rods are provided on the side of one vertical tube facing away from the other vertical tube. The backrest mechanism includes two backrest tubes, which are rotatably connected to the vertical frame. A first handle is movably connected to the side of the backrest tube away from the vertical frame, and a second bell bar is fixedly connected to the backrest tube. The first connecting tube is provided with a cushion. The base frame and the vertical frame are respectively fixedly connected to the first connecting tube. Two limiting tubes are fixedly connected to the first connecting tube. The end of the limiting tube away from the first connecting tube is located below the backrest tube.
2. The seated row back strengthener of claim 1, wherein, The base frame is fixedly connected to a fixing tube, and the seat cushion is fixedly connected to an adjusting tube. A portion of the adjusting tube is inserted into the fixing tube. The adjusting tube has multiple adjusting holes. The fixing tube has a pull pin. A first gas spring is installed inside the adjusting tube. One end of the first gas spring is connected to the fixing tube, and the other end of the first gas spring is connected to the adjusting tube. The pull pin is inserted into any of the adjustment holes to fix the adjustment tube and the fixing tube.
3. The seated back-pulldown exercise device of claim 2, wherein: The base frame is connected to the fixed pipe via a second connecting pipe. The base frame and the second connecting pipe are respectively fixedly connected to a reinforcing plate, and the reinforcing plate is located below the second connecting pipe.
4. The seated row back strengthener of claim 1, wherein, Also includes: The assist mechanism includes a foot pedal assembly, a connecting rod, and an assist component. The foot pedal assembly is rotatably connected to the base frame. The foot pedal assembly and the assist component are rotatably connected to the connecting rod, and the assist component is rotatably connected to the vertical frame. The assist component is provided with an assist block, which is located between the limiting tube and the backrest tube.
5. The seated back-pulldown exercise device of claim 4, wherein: The assist mechanism includes a second gas spring, one end of which is rotatably connected to the base frame, and the other end of which is rotatably connected to the foot pedal assembly.
6. The seated back-pulling exerciser of claim 4, wherein, One end of the connecting rod is rotatably connected to the foot pedal assembly via a first joint bearing, and the other end of the connecting rod is rotatably connected to the assist component via a second joint bearing.
7. The seated back-pulling exerciser of claim 4, wherein, The vertical frame is provided with a rotating shaft, and the rotating shaft is rotatably connected to a first rotating sleeve and a second rotating sleeve. The back support tube is fixedly connected to the first rotating sleeve. The assisting component includes a connecting plate and a third connecting tube fixedly connected to each other. The connecting plate and the third connecting tube are respectively fixedly connected to the second rotating sleeve. The connecting plate is rotatably connected to the connecting rod. The assisting block is fixedly connected to the third connecting tube.
8. The seated back-pulldown exercise device of claim 4, wherein: The side of the assist block facing the back-pulling tube is provided with a first buffer pad, and the side of the assist block facing the limiting tube is provided with a second buffer pad.
9. The seated row back stretcher of claim 1, wherein, The first handle is connected to the pull tube via a universal ball bearing.
10. The seated row back strengthener of claim 1, wherein, A second handle is provided on the side of the first connecting tube facing away from the cushion.