Foldable ladder stand with guide rails

Abstract

The utility model discloses a foldable ladder stand with a guide rail, which comprises a slide rail assembly, a ladder stand assembly, a ladder stand assembly, a ladder stand assembly, a ladder stand assembly and a ladder stand assembly, and is characterized in that the slide rail assembly comprises a slide rail structure and mounting structures; the sliding assembly is slidably mounted on the sliding rail assembly; the sliding assembly comprises a limiting groove and a fixed pulley. The sliding rail structure is arranged between the limiting groove and the fixed pulley. The ladder stand assembly is connected with the sliding assembly; the crawling ladder assembly has an unfolding position and a folding position; and the limiting structure is mounted on the ladder stand assembly and used for fixing the ladder stand assembly to the folding position. The foldable crawling ladder with the guide rails can be flexibly arranged to be suitable for narrow spaces.

Description

Technical Field

[0001] The utility model relates to the technical field of mining equipment, in particular to a foldable ladder with guide rails. Background Art

[0002] At present, large-scale mines or construction machinery and equipment need to be designed with ladders to reach the top for operation and maintenance in certain local areas. If they are directly arranged on a wall, it may affect the normal use of other functional components; and in some local areas where ladders can be arranged, the space may be small, which is not conducive to personnel entering or climbing stairs; however, in order to achieve the purpose of operation or maintenance, ladders must be designed to meet functional requirements. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a foldable ladder with guide rails, which can be flexibly arranged to be suitable for narrow spaces.

[0004] A foldable ladder with guide rails according to an embodiment of the utility model comprises:

[0005] A slide rail assembly, comprising a slide rail structure and mounting structures mounted at both ends of the slide rail structure in a length direction;

[0006] A sliding assembly is slidably mounted on the slide rail assembly; the sliding assembly comprises a limiting groove and a fixed pulley, and the slide rail structure is arranged between the limiting groove and the fixed pulley;

[0007] A ladder assembly connected to the sliding assembly; the ladder assembly has an extended position and a folded position;

[0008] A limiting structure is installed on the ladder assembly, and the limiting structure is used to fix the ladder assembly in a folded position.

[0009] A foldable ladder with guide rails according to an embodiment of the utility model has at least the following beneficial effects:

[0010] By providing a slide rail assembly, and the ladder assembly being slidably installed on the slide rail assembly through the sliding assembly, horizontal sliding of the ladder assembly can be achieved, so that in certain areas with narrow spaces, people can enter and exit by horizontally sliding the ladder assembly without affecting the normal use of other functions; the ladder assembly has an extended position and a folded position, and a limiting structure is provided to fix the ladder assembly in the folded position, which is convenient for reducing the space occupied by the ladder assembly, thereby reducing the impact on other functional components in the narrow space, and also ensuring the stable position of the ladder assembly.

[0011] According to some embodiments of the utility model, the ladder assembly includes a first square tube group, a second square tube group and a pedal, the first square tube group and the second square tube group are respectively hinged to the opposite sides of the pedal; the first square tube group is connected to the sliding assembly, and the second square tube group moves relative to the first square tube group to realize the switching of the ladder assembly between the deployed position and the folded position.

[0012] According to some embodiments of the utility model, the limiting structure includes a connecting block, a movable shaft and a hook, the connecting block is connected to the first square tube group, the movable shaft is installed on the connecting block, and the hook is connected to one end of the movable shaft; when the ladder assembly is in the folded position, the hook is connected to the second square tube group.

[0013] According to some embodiments of the present utility model, the movable shaft is rotatably arranged around its own axis and penetrates the connecting block.

[0014] According to some embodiments of the utility model, two slide rail assemblies are provided, and the two slide rail assemblies are spaced apart in the vertical direction; two sliding assemblies are provided corresponding to the slide rail assemblies, and the two sliding assemblies are respectively connected to the two ends of the ladder assembly in the length direction.

[0015] According to some embodiments of the present utility model, a locking member for fixing the position of the ladder assembly is installed on the mounting structure of at least one of the slide rail assemblies.

[0016] According to some embodiments of the utility model, at least one of the sliding components is provided with a limiting plate corresponding to the locking member, and the limiting plate is provided with a slot, and the locking member can be partially embedded in the slot to connect the mounting structure and the sliding component.

[0017] According to some embodiments of the utility model, the mounting structure is provided with a mounting pin, the locking member is sleeved on the mounting pin and can rotate around the mounting pin; one end of the locking member is provided with an embedding portion that can be embedded in the card slot.

[0018] According to some embodiments of the utility model, the mounting pin sleeve is provided with a torsion spring, and two ends of the torsion spring are respectively against the mounting structure and the locking member.

[0019] According to some embodiments of the utility model, the slide rail structure includes a first horizontal slide rail, a second horizontal slide rail and a connecting rod, the first horizontal slide rail and the second horizontal slide rail are arranged in parallel and spaced apart, the connecting rod is arranged between the first horizontal slide rail and the second horizontal slide rail to connect the first horizontal slide rail and the second horizontal slide rail; the first horizontal slide rail is in contact with the fixed pulley, and the second horizontal slide rail is installed in the limiting groove.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0023] Figure 2 It is a front view of an embodiment of the utility model;

[0024] Figure 3 for Figure 1 The enlarged view of point A in the middle;

[0025] Figure 4 for Figure 2 The enlarged view of point B in the middle;

[0026] Figure 5 This is a structural schematic diagram of the ladder assembly of an embodiment of the utility model in a folded position.

[0027] Figure Number:

[0028] The slide rail assembly 100, the slide rail structure 110, the first horizontal slide rail 111, the second horizontal slide rail 112, the connecting rod 113, the mounting structure 120, the mounting pin 121, the torsion spring 122, the locking member 130, and the embedding portion 131;

[0029] Sliding assembly 200, limiting groove 210, fixed pulley 220, limiting plate 230, and clamping groove 231;

[0030] Ladder assembly 300, first square tube set 310, second square tube set 320, pedal 330;

[0031] The limiting structure 400 , the connecting block 410 , the movable shaft 420 , and the hook 430 . DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] Reference Figures 1 to 5 A foldable ladder with guide rails according to an embodiment of the utility model comprises a slide rail assembly 100, a sliding assembly 200 and a ladder assembly 300. The slide rail assembly 100 is installed on a wall, the sliding assembly 200 is slidably installed on the slide rail assembly 100, and the ladder assembly 300 is connected to the sliding assembly 200. The sliding assembly 200 slides along the slide rail assembly 100 to drive the ladder assembly 300 to move synchronously. For some narrow spaces, the ladder assembly 300 can be slid to a position convenient for people to enter and exit, and then the ladder assembly 300 can be slid to other positions after people enter, without affecting the normal use of other functional components in the narrow space.

[0037] Further, see Figure 1 , Figure 5 As shown, the ladder assembly 300 of this embodiment has an extended position and a retracted position. Figure 1 The ladder assembly 300 is shown in the deployed position, which is convenient for people to climb; Figure 5 The ladder assembly 300 is shown in the folded position, at which time the overall thickness of the ladder assembly 300 is reduced, the space occupied is reduced, and the impact on other components in the narrow space can be effectively reduced. A limit structure 400 is installed on the ladder assembly 300 to fix the ladder assembly 300 in the folded position.

[0038] In the embodiments of the present invention, referring to Figure 1 , Figure 5As shown, in the embodiment of the utility model, the ladder assembly 300 includes a first square tube group 310, a second square tube group 320 and a pedal 330, and the first square tube group 310 and the second square tube group 320 are respectively hinged to the two opposite sides of the pedal 330; the first square tube group 310 is connected to the sliding assembly 200, and the second square tube group 320 moves relative to the first square tube group 310 to realize the switching of the ladder assembly 300 between the unfolded position and the folded position. Specifically, the pedal 330 is rectangular, and when the ladder assembly 300 is in the unfolded position, the pedal 330 is in a horizontal state, and when the ladder assembly 300 is in the folded position, the pedal 330 is in an inclined state. The first square tube group 310 includes two first square tubes arranged at intervals, and the second square tube group 320 includes two second square tubes arranged at intervals. The two first square tubes and the two second square tubes are respectively arranged at the four corners of the pedal 330, and the first square tubes and the second square tubes are both hinged to the pedal 330. The two first square tubes of the first square tube group 310 and the two second square tubes of the second square tube group 320 are also connected one by one through connecting rods. The two second square tubes of the second square tube group 320 can move relative to the first square tube group 310, so as to realize the switching between the deployed position and the folded position of the ladder assembly 300.

[0039] In the embodiment of the utility model, the limiting structure 400 includes a connecting block 410, a movable shaft 420 and a hook 430. The connecting block 410 is connected to the first square tube group 310, the movable shaft 420 is installed on the connecting block 410, and the hook 430 is connected to one end of the movable shaft 420. When the ladder assembly 300 is in the folded position, the hook 430 is connected to the second square tube group 320. For details, refer to Figure 5 As shown, the connection block 410 is connected to one of the first square tubes in the first square tube group 310, the connection block 410 is provided with a through hole for the movable shaft 420 to pass through, the first end of the movable shaft 420 in the length direction is connected to the hook 430, and the second end of the movable shaft 420 in the length direction is connected to a retaining ring, the diameter of the retaining ring is greater than the diameter of the movable shaft 420, so as to prevent the movable shaft 420 from being separated from the through hole of the connection block 410. The hook 430 can be fixedly connected to the movable shaft 420, for example, by welding; the movable shaft 420 is rotatably arranged on the connection block 410 around its own axis, and the hook 430 is provided with a hook groove, and the hook groove can be inserted into one of the second square tubes of the second square tube group 320; when the ladder assembly 300 is in the folded position, by inserting one of the second square tubes into the hook groove, the ladder assembly 300 can be fixed in the folded position.

[0040] In the embodiment of the present utility model, the slide rail assembly 100 includes a slide rail structure 110 and mounting structures 120 mounted at both ends of the slide rail structure 110 in the length direction, and the sliding assembly 200 includes a limit groove 210 and a fixed pulley 220, and the slide rail structure 110 is arranged between the limit groove 210 and the fixed pulley 220. Figure 1 , Figure 2 As shown, the mounting structure 120 is used to connect with the wall, for example, by bolts or the like. The slide rail structure 110 includes a first horizontal slide rail 111, a second horizontal slide rail 112 and a connecting rod 113. The first horizontal slide rail 111 and the second horizontal slide rail 112 are arranged in parallel and spaced apart, and the first horizontal slide rail 111 and the second horizontal slide rail 112 are spaced apart in the vertical direction, and the first horizontal slide rail 111 is arranged above the second horizontal slide rail 112; the connecting rod 113 is arranged between the first horizontal slide rail 111 and the second horizontal slide rail 112 to connect the first horizontal slide rail 111 and the second horizontal slide rail 112; the first horizontal slide rail 111 contacts the fixed pulley 220, and the second horizontal slide rail 112 is installed in the limiting groove 210, and the limiting groove 210 can effectively limit the second horizontal slide rail 112, thereby ensuring that the ladder assembly 300 always slides horizontally.

[0041] Further, in the embodiment of the utility model, two slide rail assemblies 100 are provided, and the two slide rail assemblies 100 are arranged at intervals in the vertical direction; two sliding assemblies 200 are provided corresponding to the slide rail assemblies 100, and the two sliding assemblies 200 are respectively connected to the two ends in the length direction of the ladder assembly 300. Specifically, the two slide rail assemblies 100 can better fix the ladder assembly 300, thereby preventing the ladder assembly 300 from shaking, improving the stability of the ladder assembly 300, and also extending the service life of the slide rail assembly 100.

[0042] In the embodiment of the present utility model, a locking member 130 for fixing the position of the ladder assembly 300 is installed on the mounting structure 120 of at least one slide rail assembly 100. Figures 1 to 3 As shown, generally speaking, the slide rail assembly 100 located at the bottom is equipped with a locking member 130 for fixing the position of the ladder assembly 300, and the sliding assembly 200 located at the bottom is provided with a limiting plate 230 corresponding to the locking member 130, and the limiting plate 230 is provided with a slot 231, and the locking member 130 can be partially embedded in the slot 231 to connect the mounting structure 120 and the sliding assembly 200. The locking member 130 is provided to fix the position of the ladder assembly 300, which can better protect the ladder assembly 300.

[0043] In the embodiments of the present invention, referring to Figure 3As shown, the mounting structure 120 is provided with a mounting pin 121, and the locking member 130 is sleeved on the mounting pin 121 and can rotate around the mounting pin 121; one end of the locking member 130 is provided with an embedding portion 131 that can be embedded in the card slot 231. Specifically, the mounting structures 120 at both ends of the length direction of the slide rail assembly 100 located below are provided with mounting pins 121, and the two mounting pins 121 are also sleeved with locking members 130, so that the ladder assembly 300 can be fixed at both ends of the length direction of the slide rail assembly 100. First, the locking member 130 is rotated to make the embedding portion 131 of the locking member 130 tilt up. When the ladder assembly 300 slides to the end of the slide rail structure 110, the locking member 130 is rotated again to make the embedding portion 131 insert into the card slot 231 to achieve the position fixation of the ladder assembly 300. The structure is simple and easy to use.

[0044] In the embodiment of the utility model, the mounting pin 121 is sleeved with a torsion spring 122, and the two ends of the torsion spring 122 are respectively against the mounting structure 120 and the locking member 130. Specifically, in the absence of external force, the torsion spring 122 can provide a position for the embedding portion 131 of the locking member 130 to be embedded in the slot 231. In addition, the slot wall of the slot 231 facing the locking member 130 is provided with an inclined surface, so that the manual operation only needs to release the locking member 130 to disengage the ladder assembly 300 from the slide rail structure 110, which effectively improves the efficiency and reduces the difficulty of manual operation.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A foldable ladder with guide rails, characterized in that: include: A slide rail assembly, comprising a slide rail structure and mounting structures mounted at both ends of the slide rail structure in a length direction; A sliding assembly is slidably mounted on the slide rail assembly; the sliding assembly comprises a limiting groove and a fixed pulley, and the slide rail structure is arranged between the limiting groove and the fixed pulley; A ladder assembly connected to the sliding assembly; the ladder assembly has an extended position and a folded position; A limiting structure is installed on the ladder assembly, and the limiting structure is used to fix the ladder assembly in a folded position.

2. A foldable ladder with guide rails according to claim 1, characterized in that: The ladder assembly includes a first square tube group, a second square tube group and a pedal, wherein the first square tube group and the second square tube group are respectively hinged to the opposite sides of the pedal; the first square tube group is connected to the sliding assembly, and the second square tube group moves relative to the first square tube group to realize the switching of the ladder assembly between the deployed position and the folded position.

3. A foldable ladder with guide rails according to claim 2, characterized in that: The limiting structure includes a connecting block, a movable shaft and a hook, the connecting block is connected to the first square tube group, the movable shaft is installed on the connecting block, and the hook is connected to one end of the movable shaft; when the ladder assembly is in the folded position, the hook is connected to the second square tube group.

4. A foldable ladder with guide rails according to claim 3, characterized in that: The movable shaft is rotatably arranged around its own axis and penetrates the connecting block.

5. The foldable ladder with guide rails according to claim 1, characterized in that: There are two slide rail assemblies, which are spaced apart in the vertical direction; there are two sliding assemblies corresponding to the slide rail assemblies, which are respectively connected to both ends of the ladder assembly in the length direction.

6. A foldable ladder with guide rails according to claim 5, characterized in that: A locking member for fixing the position of the ladder assembly is installed on the mounting structure of at least one of the slide rail assemblies.

7. A foldable ladder with guide rails according to claim 6, characterized in that: At least one of the sliding components is provided with a limiting plate corresponding to the locking member, and the limiting plate is provided with a slot, and the locking member can be partially embedded in the slot to connect the mounting structure and the sliding component.

8. A foldable ladder with guide rails according to claim 7, characterized in that: The mounting structure is provided with a mounting pin, the locking piece is sleeved on the mounting pin and can rotate around the mounting pin; one end of the locking piece is provided with an embedding portion which can be embedded in the card slot.

9. A foldable ladder with guide rails according to claim 8, characterized in that: The mounting pin sleeve is provided with a torsion spring, and two ends of the torsion spring are respectively against the mounting structure and the locking member.

10. The foldable ladder with guide rails according to claim 1, characterized in that: The slide rail structure includes a first horizontal slide rail, a second horizontal slide rail and a connecting rod. The first horizontal slide rail and the second horizontal slide rail are arranged in parallel and spaced apart. The connecting rod is arranged between the first horizontal slide rail and the second horizontal slide rail to connect the first horizontal slide rail and the second horizontal slide rail. The first horizontal slide rail is in contact with the fixed pulley, and the second horizontal slide rail is installed in the limiting groove.

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