Detachable joint ladder

Abstract

The utility model relates to a detachable joint ladder which comprises a left single-side ladder and a right single-side ladder, each single-side ladder comprises a front side frame and a rear side frame, the front side frame and the rear side frame are fixedly connected together through a balance rod, the upper ends of the side frames are fixedly connected with connecting frames, the left connecting frame and the right connecting frame are hinged together through a connecting shaft, and the side frame at the front end is provided with a plurality of through grooves. A positioning groove is formed in the front end of the side frame at the rear end, the ladder climber is slidably connected to the inner side of the positioning groove, a sliding groove formed in the side frame is formed in the outer side of the through groove, a check block is slidably connected to the inner side of the sliding groove, a mounting groove formed in the side frame is formed in the upper end of the sliding groove, and a mounting block is fixedly connected to the upper end of the check block; the mounting blocks are slidably connected to the inner sides of the mounting grooves, springs mounted on the inner sides of the mounting grooves are arranged at the upper ends of the mounting blocks, shifting blocks are fixedly connected to the outer sides of the check blocks, the ladder boarding is easy to disassemble and assemble independently, and the joint ladder is long in service life.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a detachable joint ladder. Background Art

[0002] The utility model patent with application number: CN201720514854.0 discloses an A-shaped insulating ladder, in which the main ladder support and ladder steps are combined together in a plug-in manner, and a ladder foot is provided at the lower end of the main ladder support; a ladder joint is provided at the upper end. The ladder foot is a bracket sheath fixedly connected to the main ladder support by fixing bolts, and the bracket sheath is movably connected to the anti-skid foot by an adjustment bolt, and the adjustment bolts provided at both ends of the bracket sheath slide or adjust the position in the adjustment grooves at both ends of the anti-skid foot. Anti-skid teeth and an anti-skid bottom made of rubber material are provided on one side of the anti-skid foot. The above technical solution can stand on uneven ground and has the function of adjusting uneven ground. During use, the ladder step is easy to be damaged, and the ladder step of the above technical solution is not easy to disassemble separately, which is inconvenient to use. Summary of the invention

[0003] The utility model aims to solve the problems existing in the prior art and provides a detachable joint ladder. The ladder steps are easy to be disassembled and assembled separately and the joint ladder has a long service life.

[0004] The utility model adopts a technical solution to solve the technical problem: the detachable joint ladder comprises two left and right single-sided ladders, the single-sided ladder comprises two front and rear side frames, the front and rear side frames are fixedly connected together through a balance rod, the upper ends of the side frames are fixedly connected with a connecting frame, the left and right connecting frames are hinged together through a connecting shaft, a plurality of through grooves are opened on the front end side frame, the inner side of the through groove is slidably connected with a ladder, a positioning groove is opened at the front end of the rear end side frame, the ladder is slidably connected to the inner side of the positioning groove, a sliding groove opened on the side frame is arranged on the outer side of the through groove, and a stopper is slidably connected to the inner side of the sliding groove, The upper end of the slide slot is provided with a mounting slot opened on the side frame, the upper end of the stop block is fixedly connected with a mounting block, the mounting block is slidably connected to the inner side of the mounting slot, the upper end of the mounting block is provided with a spring installed on the inner side of the mounting slot, and the outer side of the stop block is fixedly connected with a shift block, the shift block is shifted upward, the shift block drives the stop block to move upward, the stop block drives the mounting block to move upward, the spring is compressed, the ladder is taken out from the front side, a new ladder is put in, the front and rear positions of the ladder are positioned through the positioning slot, the shift block is released, the spring rebounds to drive the mounting block to move downward, the mounting block drives the stop block to move downward to limit the ladder, the ladder is easy to disassemble and assemble separately, and the joint ladder has a long service life.

[0005] For further improvement, a guide shaft fixedly connected to the mounting block is provided on the inner side of the spring, and the guide shaft is slidably connected to the side frame, so that the use effect of the spring is better.

[0006] For further improvement, a clamping shaft is fixedly connected to the side frame at the front end, a clamping rod is installed on the side frame at the rear end, a clamping hole is opened on the lower side of the left end of the clamping rod, and the clamping shaft can be slidably connected to the inner side of the clamping hole. The clamping rod is clamped onto the clamping shaft. The clamping rod can position the rotation angle of the left and right single-sided ladders. The structure is more stable, not easy to tip over, and has a good use effect.

[0007] For further improvement, the outer side of the card rod is slidably connected to an adjustment frame, the adjustment frame is rotatably connected to the side frame at the rear end, an adjustment slot is opened on the adjustment frame, the right end of the card rod is fixedly connected to a screw rod, the screw rod is slidably connected to the inner side of the adjustment slot, a nut is threadedly connected to the outer side of the screw rod, and the card rod is retractable, so that the application range of the joint ladder is wider.

[0008] For further improvement, the left and right ends of the connecting shaft are rotatably connected to seat plates, and the lower end of the seat plate at the rear end is rotatably connected to a rotating rod. The seat plate is flattened and the rotating rod is turned out so that the rotating rod contacts the seat plate at the front end. The staff can sit on the seat plate, and the articulated ladder can be used more effectively.

[0009] As a further improvement, rollers are installed on the side frame at the front end, making the transportation of the articulated ladder more convenient.

[0010] For further improvement, foot pads are provided at both the front and rear ends of the balancing pole, and threaded rods are fixedly connected to the foot pads at both the front and rear ends. The threaded rods are threadedly connected to the balancing pole, and the foot pads can increase the contact area with the ground, making the articulated ladder more stable when used.

[0011] For further improvement, a rubber pad is fixedly connected to the lower end of the foot pad, and the rubber pad can increase the friction with the ground, making the joint ladder more stable when used.

[0012] The beneficial effects of the utility model are as follows: the shifting block is shifted upward, the shifting block drives the stopper block to move upward, the stopper block drives the installation block to move upward, the spring is compressed, the ladder is taken out from the front side, a new ladder is put in, the front and rear positions of the ladder are positioned through the positioning groove, the shifting block is released, the spring rebounds and drives the installation block to move downward, the installation block drives the stopper block to move downward to limit the ladder, the ladder is easy to disassemble and assemble separately, and the joint ladder has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the side frame of the utility model;

[0015] Figure 3 It is a left sectional view of the side frame of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the stopper of the utility model;

[0017] Figure 5This is a structural schematic diagram of the seat plate of the utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the foot pad of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the clamping rod of the utility model.

[0020] Explanation of the reference numerals in the accompanying drawings: 1. single-sided ladder; 11. side frame; 111. through slot; 112. slide slot; 113. mounting slot; 114. positioning slot; 12. stop block; 121. mounting block; 122. spring; 123. shift block; 124. guide shaft; 13. roller; 14. connecting frame; 141. connecting shaft; 15. seat plate; 151. rotating rod; 16. clamping shaft; 17. clamping rod; 171. clamping hole; 172. screw rod; 173. nut; 18. adjustment frame; 181. adjustment slot; 19. balance rod; 191. foot pad; 192. threaded rod; 193. rubber pad; 2. ladder. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-7 The utility model is further described as follows:

[0022] like Figure 1-Figure 2 and Figure 5-Figure 6 As shown: a detachable joint ladder in this embodiment includes two left and right single-sided ladders 1, a roller 13 is installed on the front end of the single-sided ladder 1, and the single-sided ladder 1 includes two front and rear side frames 11, and the front and rear side frames 11 are fixedly connected together by a balance rod 19, and the balance rod 19 is provided with foot pads 191 at both ends, and the front and rear ends of the foot pad 191 are fixedly connected with threaded rods 192 at both ends, and the threaded rod 192 is threadedly connected to the balance rod 19, and the lower end of the foot pad 191 is fixedly connected with a rubber pad 193, and the upper end of the side frame 11 is fixedly connected with a connecting frame 14, and the left and right connecting frames 14 are hinged together by a connecting shaft 141, and the left and right ends of the connecting shaft 141 are rotatably connected with a seat plate 15, and the lower end of the seat plate 15 at the rear end is rotatably connected with a rotating rod 151.

[0023] like Figure 1-Figure 4As shown: a plurality of through slots 111 are opened on the side frame 11 at the front end, and a ladder 2 is slidably connected to the inner side of the through slots 111; a positioning slot 114 is opened at the front end of the side frame 11 at the rear end, and the positioning slot 114 corresponds to the through slot 111 one by one; the ladder 2 is slidably connected to the inner side of the positioning slot 114; a slide slot 112 opened on the side frame 11 is provided on the outer side of the through slot 111; a stopper 12 is slidably connected to the inner side of the slide slot 112; a mounting slot 113 opened on the side frame 11 is provided on the upper end of the slide slot 112; a mounting block 121 is fixedly connected to the upper end of the stopper 12; the mounting block 121 is slidably connected to the inner side of the mounting slot 113; a spring 122 installed on the inner side of the mounting slot 113 is provided on the upper end of the mounting block 121; a guide shaft 124 fixedly connected to the mounting block 121 is provided on the inner side of the spring 122; the guide shaft 124 is slidably connected to the side frame 11; a shift block 123 is fixedly connected to the outer side of the stopper 12.

[0024] like Figure 1-Figure 2 and Figure 7 As shown: a clamping shaft 16 is fixedly connected to the side frame 11 at the front end, an adjusting frame 18 is rotatably connected to the side frame 11 at the rear end, a clamping rod 17 is slidably connected to the inner side of the adjusting frame 18, a clamping hole 171 is opened on the lower side of the left end of the clamping rod 17, the clamping shaft 16 is slidably connected to the inner side of the clamping hole 171, an adjusting groove 181 is opened on the adjusting frame 18, a screw rod 172 is fixedly connected to the right end of the clamping rod 17, the screw 172 is slidably connected to the inner side of the adjusting groove 181, and a nut 173 is threadedly connected to the outer side of the screw rod 172.

[0025] When the utility model is in use, the shifting block 123 is shifted upward, the shifting block 123 drives the stopper 12 to move upward, the stopper 12 drives the mounting block 121 to move upward, the spring 122 is compressed, the ladder 2 is taken out from the front side, a new ladder 2 is put in, the front and rear positions of the ladder 2 are positioned through the positioning groove 114, the shifting block 123 is released, the spring 122 rebounds and drives the mounting block 121 to move downward, the mounting block 121 drives the stopper 12 to move downward to limit the ladder 2, the ladder 2 is easy to be disassembled and assembled separately, and the joint ladder has a long service life.

[0026] Although the present invention has been illustrated and described with reference to the preferred embodiments, it will be appreciated by those skilled in the art that various changes in the form and details of the detachable articulated ladder may be made within the scope of the claims.

Claims

1. A detachable articulated ladder, comprising two left and right single-sided ladders (1), wherein the single-sided ladder (1) comprises two front and rear side frames (11), wherein the front and rear side frames (11) are fixedly connected together via a balancing rod (19), wherein the upper ends of the side frames (11) are fixedly connected to a connecting frame (14), and the left and right connecting frames (14) are hinged together via a connecting shaft (141), wherein: The side frame (11) is provided with a plurality of through slots (111), a ladder (2) is slidably connected to the inner side of the through slots (111), a positioning slot (114) is provided at the front end of the rear side frame (11), the ladder (2) is slidably connected to the inner side of the positioning slot (114), a slide slot (112) opened on the side frame (11) is provided on the outer side of the through slot (111), a stopper (12) is slidably connected to the inner side of the slide slot (112), a mounting slot (113) opened on the side frame (11) is provided at the upper end of the slide slot (112), a mounting block (121) is fixedly connected to the upper end of the stopper (12), the mounting block (121) is slidably connected to the inner side of the mounting slot (113), a spring (122) installed on the inner side of the mounting slot (113) is provided at the upper end of the mounting block (121), and a shifting block (123) is fixedly connected to the outer side of the stopper (12).

2. A detachable joint ladder according to claim 1, characterized in that: A guide shaft (124) fixedly connected to the mounting block (121) is provided on the inner side of the spring (122), and the guide shaft (124) is slidably connected to the side frame (11).

3. A detachable joint ladder according to claim 1, characterized in that: the front end A clamping shaft (16) is fixedly connected to the side frame (11), a clamping rod (17) is installed on the rear end side frame (11), a clamping hole (171) is opened on the lower side of the left end of the clamping rod (17), and the clamping shaft (16) can be slidably connected to the inner side of the clamping hole (171).

4. A detachable joint ladder according to claim 3, characterized in that: The outer side of the clamping rod (17) is slidably connected to an adjustment frame (18), the adjustment frame (18) is rotatably connected to the side frame (11) at the rear end, an adjustment slot (181) is formed on the adjustment frame (18), a screw rod (172) is fixedly connected to the right end of the clamping rod (17), the screw rod (172) is slidably connected to the inner side of the adjustment slot (181), and a nut (173) is threadedly connected to the outer side of the screw rod (172).

5. The detachable joint ladder according to claim 1 is characterized in that: The left and right ends of the connecting shaft (141) are rotatably connected to the seat plate (15), and the lower end of the seat plate (15) at the rear end is rotatably connected to the rotating rod (151).

6. The detachable joint ladder according to claim 1 is characterized in that: A roller (13) is mounted on the side frame (11) at the front end.

7. The detachable joint ladder according to claim 1 is characterized in that: Foot pads (191) are provided at both the front and rear ends of the balancing rod (19), and threaded rods (192) are fixedly connected to both the front and rear ends of the foot pads (191), and the threaded rods (192) are threadedly connected to the balancing rod (19).

8. The detachable joint ladder according to claim 7 is characterized in that: The lower end of the foot pad (191) is fixedly connected to a rubber pad (193).

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