Ladder folding joint
By designing a ladder folding joint, the ladder can be conveniently folded and stably positioned, solving the problem of large space occupation of traditional ladders and improving ease of use.
Patent Information
- Application Number
- CN202422673550.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Traditional ladders are large in size and take up a lot of space, making them inconvenient to store and use.
A ladder folding joint was designed, including a main ladder rod and a rotating rod. By setting a folding structure, the ladder can be folded and positioned using components such as a rotating seat, a locking groove, a fixed seat, a locking block, a pull rod, a return spring, and a connecting shaft, so as to ensure that it can be easily stored when not in use.
It enables convenient folding and stable positioning of ladders, reduces space occupation, and improves ease of use and practicality.
Smart Images
Figure CN223621520U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ladder technology, and in particular to a ladder folding joint. Background Technology
[0002] With the development of the times, the types and quantities of items needed in people's daily lives are increasing, which may lead to situations where items are stored at higher heights. In order to meet people's needs for storing and retrieving items at higher locations in their daily lives, ladders are needed to meet the practical needs of people's daily lives.
[0003] However, traditional ladders are relatively large, which means they take up a lot of space when not in use, causing inconvenience in people's daily lives and making it difficult to meet actual usage needs. Utility Model Content
[0004] The purpose of this invention is to provide a ladder folding joint to solve the problem that existing ladders are not convenient to fold, store, and use.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a ladder folding joint, including a ladder main rod and a ladder rotating rod;
[0006] Each of the main ladder rods is equipped with a ladder rotating rod above it, and the bottom end of each ladder rotating rod is fixed with a folding structure.
[0007] The folding structure includes a rotating seat, a snap-fit groove, a fixed seat, an internal groove, a snap-fit block, a pull rod, a return spring, a connecting shaft, and a limiting groove. The rotating seats are all fixed to the bottom end of the ladder's rotating rod. Snap-fit grooves are evenly distributed on the outer wall of the rotating seat. The fixed seats are all fixed to the top end of the ladder's main rod. An internal groove is distributed on one side of each fixed seat. A snap-fit block is disposed inside each internal groove. A pull rod is disposed on one side of each snap-fit block. A return spring is fixed on one side of each snap-fit block. Connecting shafts are fixed on both sides of the rotating seat. Limiting grooves are distributed on the inner wall of each snap-fit groove.
[0008] The bottom end of each main ladder rod is fixed with a base, and support blocks are installed on both sides of each base. An adjustment structure is provided on the outer wall of each main ladder rod, and a hook is fixed to the top of each ladder rotating rod.
[0009] Preferably, the rotating seats are all disposed on the inner side wall of the fixed seat, and the connecting shafts are symmetrically distributed on both sides of the rotating seats.
[0010] Preferably, the connecting shafts are all disposed inside the limiting groove, and the rotating seat and the snap-fit groove are rotatably connected through the connecting shafts and the limiting groove.
[0011] Preferably, one side of the pull rod extends to the outside of the fixed base, and the side of the return spring away from the snap-fit block is fixed to one side inside the built-in groove.
[0012] Preferably, one side of each snap-fit block is disposed inside the snap-fit groove, and the snap-fit block and the rotating seat form a snap-fit structure through the snap-fit groove.
[0013] Preferably, the adjustment structure includes a mounting base, a pedal, a mounting plate, and fixing bolts. The mounting bases are all disposed on the outer wall of the main rod of the ladder. A pedal is fixed to one side of each mounting base, and a mounting plate is disposed on one side of each mounting base. Fixing bolts pass through both sides of each mounting plate.
[0014] Preferably, one side of each fixing bolt extends into the interior of the mounting base, and the mounting base and the mounting plate are connected by a threaded connection through the fixing bolt.
[0015] The ladder folding joint provided by this utility model has the following advantages:
[0016] By incorporating a folding structure, when the main ladder rod and the rotating rod of the ladder are rotated, the pull rod is pulled to move the locking block away from the locking groove and thus into position. This allows the rotating seat to rotate within the fixed seat via the connecting shaft and the limiting groove. When it rotates to the designated position, the pull rod is released, allowing the locking block to be placed inside the locking groove by the elastic force of the return spring. This positions the rotating seat and the fixed seat, thus achieving the purpose of facilitating the storage and use of the folding ladder and ensuring stable positioning. Attached Figure Description
[0017] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;
[0018] Figure 2 This is a three-dimensional structural diagram of the present invention viewed from below;
[0019] Figure 3 This is a partial cross-sectional three-dimensional structural schematic diagram of the present invention;
[0020] Figure 4 This is an enlarged structural diagram of point A in this utility model;
[0021] Figure 5 This is a partial three-dimensional structural schematic diagram of the present invention.
[0022] The following are the annotations in the diagram: 1. Main ladder rod; 2. Ladder rotating rod; 3. Folding structure; 301. Rotating seat; 302. Snap-fit groove; 303. Fixed seat; 304. Internal groove; 305. Snap-fit block; 306. Pull rod; 307. Return spring; 308. Connecting shaft; 309. Limiting groove; 4. Base; 5. Support block; 6. Adjustment structure; 601. Mounting seat; 602. Pedal; 603. Mounting plate; 604. Fixing bolt; 7. Hook. Detailed Implementation
[0023] 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.
[0024] Please see Figures 1-5 The present invention provides a ladder folding joint, including a ladder main rod 1 and a ladder rotating rod 2.
[0025] Reference Figures 1-4 As shown, each of the main ladder rods 1 is equipped with a ladder rotating rod 2 above it. The bottom end of each ladder rotating rod 2 is fixed with a folding structure 3. The folding structure 3 includes a rotating seat 301, a snap-fit groove 302, a fixed seat 303, an internal groove 304, a snap-fit block 305, a pull rod 306, a return spring 307, a connecting shaft 308, and a limiting groove 309. The rotating seats 301 are all fixed to the bottom end of the ladder rotating rod 2. Snap-fit grooves 302 are evenly distributed on the outer wall of the rotating seats 301. The fixed seats 303 are all fixed to the top end of the main ladder rod 1. An internal groove 304 is provided on one side of each fixed seat 303. A snap-fit block 305 is provided inside each internal groove 304. A pull rod 306 is provided on one side of each snap-fit block 305. A return spring 307 is fixed on one side of each snap-fit block 305. The spring 307 and the rotating seat 301 are both fixed with connecting shafts 308. Limiting grooves 309 are opened on the inner wall of the locking groove 302. The rotating seat 301 is set on the inner side wall of the fixed seat 303. The connecting shafts 308 are symmetrically distributed on both sides of the rotating seat 301. The connecting shafts 308 are set inside the limiting grooves 309. The rotating seat 301 and the locking groove 302 are rotatably connected through the connecting shafts 308 and the limiting grooves 309. One side of the pull rod 306 extends to the outside of the fixed seat 303. The side of the return spring 307 away from the locking block 305 is fixed inside the built-in groove 304. One side of the locking block 305 is set inside the locking groove 302. The locking block 305 and the rotating seat 301 form a locking structure through the locking groove 302.
[0026] In order to facilitate folding, storage and fixed use of the ladder, a folding structure 3 is provided. This allows the main ladder rod 1 and the ladder rotating rod 2 to be folded and rotated through the connecting shafts 308 and the fixed seat 303 on both sides of the rotating seat 301. During the positioning process, the locking block 305 is placed inside the locking groove 302 to lock and position it. This makes it less likely for the device to shift position during use, thus greatly increasing the practicality of the device.
[0027] Reference Figure 1 , Figure 2 and Figure 5 As shown, a base 4 is fixed to the bottom of each main ladder rod 1, and support blocks 5 are installed on both sides of each base 4. An adjustment structure 6 is provided on the outer wall of each main ladder rod 1, and a hook 7 is fixed to the top of each ladder rotating rod 2. The adjustment structure 6 includes a mounting base 601, a pedal 602, a mounting plate 603, and fixing bolts 604. The mounting base 601 is provided on the outer wall of each main ladder rod 1. A pedal 602 is fixed to one side of each mounting base 601, and a mounting plate 603 is provided on one side of each mounting base 601. Fixing bolts 604 penetrate both sides of each mounting plate 603, and one side of each fixing bolt 604 extends into the interior of the mounting base 601. The mounting base 601 and the mounting plate 603 are connected by a threaded connection through the fixing bolts 604.
[0028] In actual use, the treads of the ladder may have certain requirements for the spacing between them. Therefore, by setting up the adjustment structure 6, multiple sets of treads 602 can be easily positioned by fixing bolts 604 to fix the mounting base 601 and mounting plate 603, so that they are not prone to positional displacement during use, thus meeting the requirements for the spacing of treads 602 in actual use, thereby greatly increasing the functionality of the device.
[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A ladder folding joint, comprising a ladder main rod (1) and a ladder rotating rod (2); Its features are: Each of the main ladder rods (1) is provided with a ladder rotating rod (2) above it, and each of the ladder rotating rods (2) is fixed with a folding structure (3) at its bottom end. The folding structure (3) includes a rotating seat (301), a snap-fit groove (302), a fixed seat (303), an internal groove (304), a snap-fit block (305), a pull rod (306), a return spring (307), a connecting shaft (308), and a limiting groove (309). The rotating seat (301) is fixed to the bottom end of the ladder rotating rod (2). The snap-fit grooves (302) are evenly provided on the outer wall of the rotating seat (301). The fixed seats (303) are all fixed to the main rod of the ladder. (1) At the top, a built-in groove (304) is provided on one side of the fixed seat (303), a snap-fit block (305) is provided inside the built-in groove (304), a pull rod (306) is provided on one side of the snap-fit block (305), a return spring (307) is fixed on one side of the snap-fit block (305), a connecting shaft (308) is fixed on both sides of the rotating seat (301), and a limit groove (309) is provided on the inner wall of the snap-fit groove (302); The bottom end of the main rod (1) of the ladder is fixed with a base (4), and support blocks (5) are installed on both sides of the base (4). An adjustment structure (6) is provided on the outer wall of the main rod (1), and a hook (7) is fixed at the top of the rotating rod (2) of the ladder.
2. A ladder folding joint according to claim 1, characterized in that: The rotating seats (301) are all disposed on the inner side wall of the fixed seat (303), and the connecting shafts (308) are symmetrically distributed on both sides of the rotating seats (301).
3. A ladder folding joint according to claim 1, characterized in that: The connecting shafts (308) are all located inside the limiting grooves (309), and the rotating seat (301) and the snap-fit groove (302) are rotatably connected through the connecting shafts (308) and the limiting grooves (309).
4. A ladder folding joint according to claim 1, characterized in that: One side of the pull rod (306) extends to the outside of the fixed seat (303), and the side of the return spring (307) away from the snap block (305) is fixed to one side inside the built-in groove (304).
5. A ladder folding joint according to claim 1, characterized in that: One side of each snap-fit block (305) is located inside the snap-fit groove (302), and the snap-fit block (305) and the rotating seat (301) form a snap-fit structure through the snap-fit groove (302).
6. A ladder folding joint according to claim 1, characterized in that: The adjustment structure (6) includes a mounting base (601), a pedal (602), a mounting plate (603), and fixing bolts (604). The mounting base (601) is set on the outer wall of the main rod (1) of the ladder. A pedal (602) is fixed on one side of the mounting base (601). A mounting plate (603) is set on one side of the mounting base (601). Fixing bolts (604) pass through both sides of the mounting plate (603).
7. A ladder folding joint according to claim 6, characterized in that: One side of each fixing bolt (604) extends into the interior of the mounting base (601), and the mounting base (601) and the mounting plate (603) are connected by a threaded connection through the fixing bolt (604).