Crawling ladder with protective ring

Abstract

The crawling ladder comprises vertical rods, foot bars and a body protection ring, the body protection ring comprises a first arc-shaped ring, a first fixing plate and a second fixing plate, the vertical rods are symmetrically arranged, a plurality of foot bars are evenly distributed between the vertical rods, and first clamping plates and screw hole bottom plates are sequentially arranged in the two side ends of the foot bars from outside to inside. A first through hole is formed in the middle of the first clamping plate, first clamping openings are evenly distributed in the axial direction of the first through hole, a first limiting clamp is arranged near the end of the foot bar, a first clamping jaw is formed by bending the first limiting clamp through a symmetrical metal plate, the first clamping jaw is arranged on the vertical rod in a surrounding mode, and stable installation between the two first arc rings is achieved. The body protection ring can be folded on the ladder stand, so that the body protection ring can be conveniently folded and stored and can be used for protecting the body after being unfolded; the bolt assembly can be quickly disassembled, so that the body protection ring can be quickly disassembled from the foot bar, and the purposes of improving the use efficiency and facilitating transportation and storage are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ladder technology field, concretely relates to a ladder with protective ring. BACKGROUND

[0002] The protective measures of the ladder on the market at present belong to fixed structure, and the protective ring is installed through welding or riveting mode, and the protective ring cannot be folded, so that the ladder has many inconvenience when carrying and storing, the utility model patent through the modular design and the detachable structure protective ring, reach the portability and security of ladder.

[0003] As prior art, disclose (announcement) number: CN217872596U, discloses a kind of assembled protective ladder, ladder group, ladder group includes first ladder, multiple second ladders and third ladders, first ladder, multiple second ladders and third ladders are equipped with two fixed structures, ladder group one side is equipped with multiple protective structures, first ladder, multiple second ladders and third ladders are equipped with two groups of sliding slot, first ladder and multiple second ladders top are equipped with two recesses, third ladder and multiple second ladders bottom are equipped with two plug-in blocks, fixed structure includes two horizontal plates, two horizontal plates are fixedly connected with fixed plate between two horizontal plates, two horizontal plates are equipped with L-shaped connecting plate between two horizontal plates.

[0004] Therefore, a ladder with protective ring needs to be provided. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model provides a ladder with protective ring, to solve the technical problems proposed above.

[0006] In order to achieve the above object, the utility model discloses a ladder with protective ring through the following technical scheme: a ladder with protective ring, including vertical rod, tread bar and bodyguard ring, bodyguard ring includes arc ring no.

[0007] Preferably, the surface of the smooth shaft portion is provided with a threaded structure, and the threaded structure is screw-mounted with the through hole no.

[0008] Preferably, the limit card no.

[0009] Preferably, the shaft portion is uniformly distributed with not more than three clamping blocks along the axial direction.

[0010] Preferably, the number of the clamping blocks and the clamping blocks is the same and is one-to-one corresponding.

[0011] In conclusion, the utility model provides a ladder with protective ring, and the bodyguard ring is assembled from four arc ring nos.

[0012] By twisting the rotating part, the rotating part is preferably in the form of a handle, and as the rotating part rotates, the screw rod and the screw hole bottom plate are threadedly fixed and installed, and the clamping block one and the clamping hole one gradually move away, when the screw rod and the screw hole bottom plate thread appear loose, the clamping block one and the clamping hole one cannot realize alignment, realize the clamping block one and the inner side surface of the clamping plate one 7 Limiting installation, to realize the limiting installation of the body protection ring, can give the use of ladder personnel to play emergency processing, and ensure the purpose of safety protection, and through the bolt assembly makes the body protection ring installed in the step rod, realizes the bolt assembly that can be quickly disassembled, to realize the body protection ring that quickly disassembles from the step rod, realizes the purpose of improving use efficiency and transportation, storage is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the ladder structure schematic diagram of the protective ring of the utility model;

[0014] Fig. 2 It is the installation structure schematic diagram of the protective ring and the ladder of the utility model;

[0015] Fig. 3 It is the internal structure schematic diagram of the step rod of the utility model;

[0016] Fig. 4 It is the bolt assembly structure schematic diagram (embodiment one) of the utility model;

[0017] Fig. 5 It is the analysis structure schematic diagram of the body protection ring of the utility model through the bolt assembly installed on the step rod (embodiment two);

[0018] Fig. 6 It is the bolt assembly structure schematic diagram (embodiment two) of the utility model;

[0019] Fig. 7 It is the structure schematic diagram of the limiting clamp one of the utility model;

[0020] In the drawing: vertical rod 1, step rod 2, body protection ring 3, arc-shaped ring one 4, fixed plate one 5, fixed plate two 6, clamping plate one 7, screw hole bottom plate 11, through hole one 12, clamping hole one 13, limiting clamp one 14, clamping jaw one 15, through hole two 16, blocking hook one 17, bolt assembly 21, rotating shaft 22, rotating part 23, smooth shaft part 24, shaft rod part 25, screw rod 26, through hole three 27, clamping block one 31, threaded structure 32. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings.

[0022] As Figs. 1-7 shown:

[0023] The utility model provides a kind of ladder stand with protective ring, including vertical pole 1, step pole 2 and bodyguard ring 3, bodyguard ring 3 includes arc ring one 4, fixed plate one 5, fixed plate two 6, vertical pole 1 is symmetrically arranged, and between vertical pole 1 there are several step poles 2 by evenly distributing, the inside of the both sides end of step pole 2 is sequentially provided with clamping plate one 7, screw hole bottom plate 11 from outside to inside direction, the middle part of clamping plate one 7 is provided with through hole one 12, the axial direction of through hole one 12 is evenly distributed with clamp one 13, the end of step pole 2 is set as limit card one 14, limit card one 14 is bent out by symmetry sheet metal and clamping claw one 15, clamping claw one 15 is surrounded and set on vertical pole 1, the middle part of limit card one 14 is provided with through hole two 16, one side of limit card one 14 is set as blocking hook one 17, two limit card one 14 on the same step pole 2 are all installed arc ring one 4 by bolt assembly 21, the top of two arc ring one 4 is installed fixed plate one 5 by rotating shaft 22, bodyguard ring 3 is connected by rotating shaft 22 between, to foldable installation of bodyguard ring 3, the bottom between bodyguard ring 3 is installed by fixed plate two 6, and fixed plate two 6 is rotatably installed with bodyguard ring 3, to foldable installation of bodyguard ring 3, bolt assembly 21 includes integrally arranged rotating part 23, smooth shaft part 24, shaft rod part 25, screw 26, screw 26 is sequentially threaded through the through hole three 27, through hole two 16, through hole one 12, which are set in the bottom of arc ring one 4, then screw 26 is fixedly installed with screw hole bottom plate 11, to install arc ring one 4 on vertical pole 1, rotating part 23 is set on the outside of arc ring one 4, through hole three 27 is rotatably installed with smooth shaft part 24, shaft rod part 25 is evenly distributed with clamping block one 31 along its axial direction, clamping block one 31 is threaded through clamp one 13, and clamping block one 31 is limitingly installed with the inside surface of clamping plate one 7.

[0024] As shown in the embodiment one: Figs. 1-4 In order to realize the detachable and foldable function of the bodyguard ring 3, solve the convenience of storage and use, and realize the safe use of the ladder stand, the utility model patent adopts the following technical means: the ladder stand is assembled by vertical poles 1 and a plurality of step poles 2, and the bodyguard ring 3 is arranged on the upper side of the ladder stand, the bodyguard ring 3 is assembled by four arc ring one 4 and fixed plate one 5, fixed plate two 6, two arc ring one 4 are connected by rotating shaft 22, the top between two bodyguard rings 3 is rotatably installed with fixed plate one 5 by rotating shaft 22, the side of arc ring one 4 is rotatably installed with fixed plate two 6, the stable installation between two arc ring one 4 is realized, and the bodyguard ring 3 can be folded on the ladder stand, which is convenient for folding storage and opening for bodyguard use;

[0025] The mounting mode of the body protection ring 3 and the step lever 2 is that the inside of both sides of the step lever 2 is sequentially provided with the clamping plate one 7 and the screw hole bottom plate 11 from outside to inside, the middle part of the clamping plate one 7 is provided with the through hole one 12, the axial direction of the through hole one 12 is uniformly provided with the clamping hole one 13, the bolt assembly 21 comprises the rotating part 23, the smooth shaft part 24, the shaft rod part 25 and the screw rod 26 which are integrally arranged, and the diameter sizes of the rotating part 23, the smooth shaft part 24, the shaft rod part 25 and the screw rod 26 are sequentially reduced, the rotating part 23 is arranged outside the arc-shaped ring one 4, the screw rod 26 sequentially passes through the through hole three 27, the through hole two 16 and the through hole one 12, and then the screw rod 26 is fixedly installed with the screw hole bottom plate 11, so that the arc-shaped ring one 4 is installed on the vertical rod 1; in the process that the screw rod 26 penetrates, the clamping block one 31 arranged on the shaft rod part 25 passes through the clamping hole one 13, the rotating part 23 is preferably in the form of a handle, and the screw rod 26 is threadedly fixedly installed with the screw hole bottom plate 11 along with the rotation of the rotating part 23, the clamping block one 31 and the clamping hole one 13 gradually move away, when the screw rod 26 is loosened with the screw hole bottom plate 11, the clamping block one 31 and the clamping hole one 13 cannot be aligned, the clamping block one 31 is limitedly installed with the inner side surface of the clamping plate one 7, the body protection ring 3 is limitedly installed, the personnel using the ladder can be given emergency treatment, the safety protection purpose is ensured, and the body protection ring 3 is installed on the step lever 2 through the bolt assembly 21, the bolt assembly 21 can be quickly disassembled, the body protection ring 3 is quickly disassembled from the step lever 2, the use efficiency is improved, and the transportation and storage are convenient.

[0026] In order to further increase the limiting and fixed installation of the arc-shaped ring one 4, the limiting clamping one 14 is arranged between the arc-shaped ring one 4 and the step lever 2, the two clamping claws one 15 are bent out through the sheet metal bending technology on the longitudinal two sides of the limiting clamping one 14, the blocking hook one 17 is arranged on the transverse side, the two clamping claws one 15 are sleeved on the vertical rod 1, the rotation and movement of the arc-shaped ring one 4 are limited, the arc-shaped ring one 4 is rotationally arranged with the smooth shaft part 24 through the arrangement of the blocking hook one 17, rotates towards the direction of the blocking hook one 17, the body protection ring 3 is switched from the folded state to the opened state, the blocking hook one 17 limits and hooks the body protection ring 3, the purpose of protecting and limiting the use of the body protection ring 3 is achieved, rotates towards the direction away from the blocking hook one 17, and the purpose of folding the body protection ring 3 for storage is achieved.

[0027] As shown in Embodiment Two, Fig. 5 and Fig. 6 In order to realize the further stable and fixed installation of the body protection ring 3 and the step lever 2, the screw thread structure 32 is arranged on the surface of the smooth shaft part 24, the screw thread structure 32 is threadedly installed with the through hole two 16 and the through hole three 27, and the screw rod 26 is fixedly installed with the screw hole bottom plate 11, so that the body protection ring 3 is stably and fixedly installed on the step lever 2, and the ladder use is further safe.

[0028] At least in one embodiment, the limit card 14 is arranged to block the hook 17 away from the vertical rod 1, to form the limit installation of the pawl 15 and the vertical rod 1, and the limit installation of the blocking hook 17 to the arc ring 4.

[0029] At least in one embodiment, in order to realize the convenient installation and use of the bolt assembly 21, and to realize the limit safety guarantee of the clamping block 31, the shaft rod part 25 is uniformly distributed with not more than three clamping blocks 31 along the axial direction.

[0030] At least in one embodiment, in order to realize the quick installation and use of the bolt assembly 21, and to realize the higher limit installation mode, the number of the bayonet 13 and the clamping block 31 is arranged to be the same and one-to-one corresponding; the bayonet 13 and the clamping block 31 are non-uniformly distributed within the 270 radian, to realize the higher safety limit mode.

[0031] The embodiments in the utility model are only used for illustrating the utility model, and do not constitute the limitation to the scope of claims, and other substantially equivalent alternatives that the person skilled in the art can think of are all within the protection scope of the utility model.

Claims

1. A ladder having a guard ring, characterised in that, The utility model provides a kind of folding bodyguard ring, including vertical pole (1), step pole (2) and bodyguard ring (3), bodyguard ring (3) includes arc ring one (4), fixed plate one (5), fixed plate two (6), vertical pole (1) is symmetrically arranged, and between vertical pole (1) by several step poles (2) evenly distributed, the inside of the both sides end of step pole (2) is sequentially provided with clamping plate one (7), screw hole bottom plate (11) from outside to inside direction, the middle part of clamping plate one (7) is provided with through hole one (12), the axial direction of through hole one (12) is evenly distributed with clamping hole one (13), the end of step pole (2) is set as limit card one (14), limit card one (14) is bent out by symmetry sheet metal clamping claw one (15), clamping claw one (15) is surrounded and arranged on vertical pole (1), the middle part of limit card one (14) is provided with through hole two (16), limit card one (14) one side is set as blocking hook one (17), the two limit card one (14) on the same step pole (2) are all installed arc ring one (4) by bolt assembly (21), the top of two arc ring one (4) is installed fixed plate one (5) by rotating shaft (22), bodyguard ring (3) is connected by rotating shaft (22) between bodyguard ring (3), to foldable installation of bodyguard ring (3), the bottom between bodyguard ring (3) is installed by fixed plate two (6), and fixed plate two (6) is rotatably installed with bodyguard ring (3), to foldable installation of bodyguard ring (3), bolt assembly (21) includes integrally arranged rotating part (23), smooth shaft part (24), shaft rod part (25), screw rod (26), screw rod (26) is sequentially passed through the through hole three (27) that the bottom of arc ring one (4) is set, through hole two (16), through hole one (12) after, screw rod (26) is fixedly installed with screw hole bottom plate (11), to install arc ring one (4) on vertical pole (1), rotating part (23) is arranged on the outside of arc ring one (4), through hole three (27) is rotatably installed with smooth shaft part (24), shaft rod part (25) is evenly distributed with clamping block one (31) along its axial direction, clamping block one (31) passes through clamping hole one (13), clamping block one (31) is limit installed with the inside surface of clamping plate one (7).

2. The ladder with a protective ring according to claim 1, characterized in that, Smooth shaft part (24) is provided with as threaded structure (32) on surface, threaded structure (32) is screw-mounted with through hole two (16), through hole three (27).

3. The ladder with a protective ring according to claim 1, characterized in that, Limit card one (14) is set as blocking hook one (17) towards the direction side away from vertical pole (1), to form clamping claw one (15) and vertical pole (1) limit installation, blocking hook one (17) is limit installed with arc ring one (4).

4. The ladder with a protective ring according to claim 1, characterized in that, Shaft rod part (25) is evenly distributed with not more than three clamping block one (31) along its axial direction.

5. A ladder with a protective ring according to claim 4, characterized in that Clamping hole one (13) and clamping block one (31) are set same in number, and are set one by one.

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