A convenient foldable pull-up stand
By designing a pull-up bracket that can be folded by rope pulling and folding, the existing pull-up brackets have large space occupancy and troublesome disassembly and assembly are solved, and the effect of rapid folding and space saving is achieved.
Patent Information
- Application Number
- CN202510094714.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-04-04
AI Technical Summary
The existing floor-standing pull-up bracket is large in size and takes up a lot of space. The split design requires frequent disassembly and assembly when not in use, which is troublesome.
A pull-up bracket with easy folding is designed. The oblique support rod on the lower folding tube is pulled by a rope to drive the sliding block upwards, and the linking foot tube assembly, lower folding tube and main frame assembly are moved simultaneously to achieve folding, simplifying the folding process.
It realizes quick folding of the bracket, taking up less space, saving space and packaging costs, and reducing the hassle of disassembly and assembly.
Smart Images
Figure CN119746356A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a pull-up stand which is convenient to fold and belongs to the technical field of pull-up stands. Background Art
[0002] Fitness equipment is often divided into two categories according to the number of training functions: single-function and comprehensive multi-function. At present, with the improvement of people's health awareness and living standards, single and double bars, supine boards, dumbbell benches, push-up stands, and tension ropes have entered thousands of households and become common fitness equipment.
[0003] Existing floor-standing pull-up stands are large in size and require a certain amount of indoor space to be placed, which may not be convenient for families with limited living space. Even though some stands adopt a split design and can be disassembled and stored when not in use, frequent disassembly and assembly are still troublesome. Summary of the invention
[0004] The present invention proposes a pull-up stand which can be folded by driving a sliding block upward only by pulling up the inclined support rod on the lower folding tube through a rope, and the leg tube assembly, the lower folding tube and the main frame assembly can be moved synchronously. The pull-up stand has the functions of being easy to fold, occupying less space, and saving more packaging, thereby solving the problems existing in the prior art.
[0005] To achieve the above object, the technical solution of the present invention is: A foldable pull-up stand comprises a main frame assembly and a detachable upper support tube mounted on the upper end of the main frame assembly for users to perform pull-up movements; the lower end of the main frame assembly is rotatably connected to a lower folding tube and a leg tube assembly via a fixing seat; the lower end of the main frame assembly is sleeved with a sliding block that can slide up and down on the main frame assembly; the sliding block is connected to a folding tube fixing seat and a leg tube fixing seat via an oblique support rod; the leg tube fixing seat is fixedly connected to the leg tube assembly; the folding tube fixing seat is fixedly connected to the lower folding tube; the oblique support rod is hinged and rotatable with the sliding block, the folding tube fixing seat and the leg tube fixing seat. The lower folding tube comprises a left folding tube and a right folding tube which are folded by rotating the folding seat.
[0006] The main frame assembly is installed with a positioning block, and the sliding block is connected to a locking handle for fixing the sliding block through a locking link, and the locking handle cooperates with the positioning block to fix the pull-up bracket.
[0007] The main frame assembly includes a left main frame and a right main frame, the left main frame is provided with a left telescopic tube, the right main frame is provided with a right telescopic tube, the left telescopic tube and the right telescopic tube are provided with a plurality of adjustment holes, and the adjustment holes are used to fix the main frame and the telescopic tube by a first fixing bolt to adjust the height of the entire pull-up bracket.
[0008] The left and right telescopic tubes are provided with arc openings for facilitating the installation of the upper support tube. One end of the upper support tube is connected to the right telescopic tube through a rotating seat to achieve unfolding or folding. When unfolded, it forms a 90-degree angle with the telescopic tube, and when folded, it is parallel to the telescopic tube. The other end opposite is detachably fixed to the left telescopic tube through a second fixing bolt. One end connected to the rotating seat can also be detachably fixed by a second fixing bolt to further enhance firmness and stability.
[0009] The positioning blocks include a folding positioning block at the upper end and an unfolding positioning block at the lower end, which respectively fix the bracket in the unfolded state and the folded state.
[0010] The invention discloses a folding method of a pull-up stand which is easy to fold. The method comprises the following steps: loosening a locking handle to separate the locking handle from an unfolding positioning block on a main frame assembly, unlocking a sliding block, pulling up an oblique supporting rod on a folding tube by a pull rope, driving a left folding tube and a right folding tube to fold, driving a left main frame and a right main frame to move inward, driving a leg tube assembly to fold, and fixing the locking handle on a folding positioning block on the main frame assembly.
[0011] The invention discloses an unfolding method of a pull-up stand which is convenient to fold. The method comprises the following steps: loosening a locking handle to separate the locking handle from a folding positioning block on a main frame assembly, unlocking a sliding block, pushing the main frame assembly outward, driving a left folding tube and a right folding tube to unfold, and fixing the locking handle on the unfolding positioning block on the main frame assembly.
[0012] The present invention has the following advantages and beneficial effects: The present invention relates to a foldable pull-up stand. When the pull-up stand is unfolded, the locking handle is buckled into the positioning block, and then the locking handle is pulled to fix the sliding block, thereby fixing the entire pull-up stand. When folding, the locking handle is pulled to separate the positioning block, the sliding block is unlocked, and the inclined support rod on the lower folding tube is pulled by a rope to drive the sliding block to move upward, and the leg tube assembly, the lower folding tube and the main frame assembly move synchronously to achieve folding. The folding is convenient, and the entire stand can be stored and folded without occupying a space.
[0013] The pull-up stand disclosed by the present invention has a height-adjustable function and can adapt to users of different heights and body shapes, as well as different exercise intensity and difficulty requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the implementation cases of the present invention or the technical solutions in the prior art, the drawings required for use in the implementation cases or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation cases of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0015] Figure 1 It is a schematic structural diagram of a conveniently foldable pull-up stand in the present invention; Figure 2 It is a schematic structural diagram of the lower folding tube in a conveniently foldable pull-up stand of the present invention; Figure 3 It is a schematic structural diagram of an upper support tube in a pull-up stand that is easy to fold in the present invention; Figure 4 The figure is a schematic diagram of the structure of a conveniently foldable pull-up stand according to the present invention after folding.
[0016] In the figure: 1-right main frame; 2-left main frame; 3-left telescopic tube; 4-right telescopic tube; 5-first fixing bolt; 6-rotating seat; 7-adjusting hole; 8-second fixing bolt; 9-sliding block; 10-fixing seat; 11-upper support tube; 12-left folding tube; 13-folding seat; 14-right folding tube; 15-oblique support rod; 16-folding tube fixing seat; 17-locking connecting rod; 18-locking handle; 19-positioning block; 20-leg fixing seat; 21-leg assembly. DETAILED DESCRIPTION
[0017] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0018] Reference Figure 1 and Figure 4 The shown is a structural schematic diagram of a pull-up stand that is easy to fold and a structural schematic diagram after folding. A pull-up stand that is easy to fold includes a main frame assembly and an upper support tube 11 that is mounted on the upper end of the main frame assembly for the user to perform pull-up movements and can be disassembled. The lower end of the main frame assembly is rotatably connected to a lower folding tube and a leg tube assembly 21 through a fixed seat 10. The lower end of the main frame assembly is provided with a sliding block 9 that can slide up and down on the main frame assembly. The sliding block 9 is connected to a folding tube fixing seat 16 and a leg tube fixing seat 20 through an oblique support rod 15. The leg tube fixing seat 20 is fixedly connected to the leg tube assembly 21. The folding tube fixing seat 16 is fixedly connected to the lower folding tube. The oblique support rod 15 is hinged with the sliding block 9, the folding tube fixing seat 16 and the leg tube fixing seat 20 and can be rotatable and linked.
[0019] Reference Figure 2The lower folding tube includes a left folding tube 12 and a right folding tube 14 that are folded by rotating a folding seat 13. The main frame assembly is installed with a positioning block 19, and the sliding block 9 is connected to a locking handle 18 for fixing the sliding block 9 through a locking link 17. The locking handle 18 cooperates with the positioning block 19 to fix the pull-up bracket. The main frame assembly includes a left main frame 2 and a right main frame 1. The left main frame 2 is provided with a left telescopic tube 3, and the right main frame 1 is provided with a right telescopic tube 4. The left telescopic tube 3 and the right telescopic tube 4 are provided with a plurality of adjustment holes 7. The adjustment holes 7 are fixed to the main frame and the telescopic tube through a first fixing bolt 5 to adjust the height of the entire pull-up bracket.
[0020] Reference Figure 3 The left telescopic tube 3 and the right telescopic tube 4 are provided with arc openings for facilitating the erection of the upper support tube 11. One end of the upper support tube 11 is connected to the right telescopic tube 4 through a rotating seat 6 to achieve unfolding or folding. When unfolded, it forms a 90-degree angle with the telescopic tube, and when folded, it is parallel to the telescopic tube. The other end opposite is detachably fixed to the left telescopic tube 3 through a second fixing bolt 8. The end connected to the rotating seat 6 can also be detachably fixed by the second fixing bolt 8 to further enhance firmness and stability. The positioning block 19 includes a folding positioning block at the upper end and an unfolding positioning block at the lower end. The bracket in the unfolded state and the folded state are fixed respectively.
[0021] A folding method for a pull-up stand that is easy to fold, loosen the locking handle 18, separate it from the unfolding positioning block on the main frame assembly, unlock the sliding block 9, pull the oblique support rod 15 on the folding tube by pulling the rope, drive the left folding tube 12 and the right folding tube 14 to fold, drive the left main frame 2 and the right main frame 1 to move inward, drive the leg tube assembly to fold, and fix the locking handle 18 on the folding positioning block on the main frame assembly.
[0022] A method for unfolding a pull-up stand that is easy to fold, loosen the locking handle 18, detach it from the folding positioning block on the main frame assembly, unlock the sliding block 9, push the main frame assembly outward, drive the left folding tube 12 and the right folding tube 14 to unfold, and fix the locking handle 18 on the unfolding positioning block on the main frame assembly.
[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.
Claims
1. A foldable pull-up stand, comprising a main frame assembly and a detachable upper support tube mounted on the upper end of the main frame assembly for a user to perform pull-ups, characterized in that: The lower end of the main frame assembly is connected to a lower folding tube and a leg tube assembly through a fixing seat, the lower end of the main frame assembly is sleeved with a sliding block that can slide up and down on the main frame assembly, the sliding block is connected to a folding tube fixing seat and a leg tube fixing seat through an oblique support rod, the leg tube fixing seat is fixedly connected to the leg tube assembly, the folding tube fixing seat is fixedly connected to the lower folding tube, the oblique support rod is hinged with the sliding block, the folding tube fixing seat and the leg tube fixing seat, The lower folding tube comprises a left folding tube and a right folding tube which are folded by rotating the folding seat.
2. The foldable pull-up stand according to claim 1, characterized in that: The main frame assembly is installed with a positioning block, and the sliding block is connected to a locking handle for fixing the sliding block through a locking connecting rod, and the locking handle cooperates with the positioning block to fix the pull-up bracket.
3. The conveniently foldable pull-up stand according to claim 1, characterized in that: The main frame assembly includes a left main frame and a right main frame, the left main frame is provided with a left telescopic tube, the right main frame is provided with a right telescopic tube, the left telescopic tube and the right telescopic tube are provided with a plurality of adjustment holes, and the adjustment holes fix the main frame and the telescopic tube through a first fixing bolt.
4. The conveniently foldable pull-up stand according to claim 3, characterized in that: The left telescopic tube and the right telescopic tube are provided with arc openings for facilitating the installation of the upper support tube. One end of the upper support tube is connected to the right telescopic tube through a rotating seat to achieve unfolding or folding, and the other end is detachably fixed to the left telescopic tube through a second fixing bolt.
5. The conveniently foldable pull-up stand according to claim 1, characterized in that: The positioning block comprises a folding positioning block at the upper end and an unfolding positioning block at the lower end.
6. A method for folding the easily foldable pull-up stand according to any one of claims 1 to 5, characterized in that: Loosen the locking handle and detach it from the unfolding positioning block on the main frame assembly, unlock the sliding block, pull up the oblique support rod on the folding tube by the pull rope, drive the left folding tube and the right folding tube to fold, drive the left main frame and the right main frame to move inward, drive the leg tube assembly to fold, and fix the locking handle on the folding positioning block on the main frame assembly.
7. A method for unfolding the easily foldable pull-up stand according to any one of claims 1 to 5, characterized in that: Release the locking handle and detach it from the folding positioning block on the main frame assembly, unlock the sliding block, push the main frame assembly outward, drive the left folding tube and the right folding tube to unfold, and fix the locking handle on the unfolding positioning block on the main frame assembly.