Wide pedal-replaceable boarding ladder

Abstract

The utility model discloses a wide replaceable pedal type boarding ladder which comprises a first ladder, the upper end of the first ladder is fixedly connected with supporting legs, the lower end of the first ladder is provided with a second ladder, a third ladder and a fourth ladder, and the upper ends of the second ladder, the third ladder and the fourth ladder are all fixedly connected with limiting pieces. The first escalator, the second escalator, the third escalator and the fourth escalator are each composed of two escalator pipes, two mounting pipes and a transverse treading pipe, the upper ends of the escalator pipes in the second escalator, the third escalator and the fourth escalator are fixedly connected with the limiting pieces, and the lower ends of the mounting pipes in the first escalator, the second escalator and the third escalator are fixedly connected with conical rubber sleeves; a pedal is arranged on the upper surface of the transverse treading pipe, and fixing bolts are arranged on the left surface and the right surface of the pedal. By means of the structure, the convenience of storing and using the boarding ladder and replacing the pedals is improved, and the hidden danger that the boarding ladder is damaged is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boarding ladders, particularly to a wide replaceable pedal type boarding ladder. BACKGROUND

[0002] The traditional ladder pedal is narrow and has a complex processing technology, high cost, single style, cannot have comfort and uniqueness, and is easy to be worn out at the tread part of the ladder after long time use, and the boarding ladder also contacts water source during use, so that the tread part of the ladder is more likely to be damaged, and the user can only replace the ladder due to the integrated structure of the traditional ladder, so that the practicability of the ladder is reduced. SUMMARY

[0003] The utility model discloses a wide replaceable pedal type boarding ladder, which improves the convenience of replacing the pedal by the bolt fixing mode, reduces the total weight of the ladder and improves the sealing effect of the ladder by the compactness of the integrated structure and the structure of the boarding ladder, and reduces the hidden danger of the ladder damage.

[0004] The utility model discloses still provide with above -mentioned wide replaceable pedal type boarding ladder, include: one escalator, one escalator's upper end fixedly connected with support foot, support foot with boarding ladder installation place fixedly connected, one escalator's lower extreme is provided with two escalators, three escalators, four escalators, two escalators's upper end, three escalators's upper end, four escalators's upper end respectively penetrates one escalator's lower extreme, two escalators's lower extreme, three escalators's lower extreme, when not using boarding ladder, two escalators's upper end is located in one escalator's inside, three escalators's upper end is located in two escalators's inside, four escalators's upper end is located in three escalators's inside, two escalators's upper end, three escalators's upper end, four escalators's upper end all are fixedly connected with the limiting piece, one escalator, two escalators, three escalators, four escalators four all are by two escalator pipes, two installation pipes, a horizontal tread pipe composition, two escalators's upper end in three escalators, four escalators among the escalator pipe and the limiting piece fixed connection, one escalator's lower extreme, two escalators's lower extreme, three escalators's lower extreme all are fixedly connected with the conical rubber sleeve, the upper surface of horizontal tread pipe is provided with the pedal, the left and right two ends of pedal upper surface all are provided with fixed bolt, the lower extreme of fixed bolt penetrates pedal and is connected with horizontal tread pipe screw thread.

[0005] The wide replaceable pedal type boarding ladder has different diameters of the corresponding escalator pipes of the one escalator, the two escalators, the three escalators and the four escalators, the lower ends of the installation pipes and the escalator pipes are fixedly connected, and the left and right sides of the horizontal tread pipe are fixedly connected with the installation pipes, so that the convenience of repairing the boarding ladder is improved.

[0006] The utility model discloses a wide replaceable footboard type boarding ladder, the upper end of the escalator pipe in the first escalator, the lower end of the escalator pipe in the fourth escalator, the left and right sides of horizontal tread pipe all are provided with plastic sealing cap.

[0007] The utility model discloses a wide replaceable footboard type boarding ladder, the thickness of the footboard is greater than the thickness of the fixed bolt nut, when using the boarding ladder, the upper end of the fixed bolt does not protrude the upper surface of the footboard. Avoid the influence of fixed bolt on the flatness of footboard.

[0008] The utility model discloses a wide replaceable footboard type boarding ladder, the upper surface of the horizontal tread pipe is fixedly connected with silica gel washer, and the lower end of the fixed bolt is connected with the horizontal tread pipe through the silica gel washer. Increase the difficulty of water seepage into the horizontal tread pipe.

[0009] The utility model discloses a wide replaceable footboard type boarding ladder, the silica gel washer is embedded in the upper surface of the horizontal tread pipe, and the silica gel washer does not protrude the upper surface of the horizontal tread pipe. Improve the compactness between horizontal tread pipe and footboard.

[0010] The utility model discloses a wide replaceable footboard type boarding ladder, the conical rubber sleeve is flexible and easy to deform, when not using the boarding ladder, the lower end of the conical rubber sleeve completely shields the passing place of the second escalator, the third escalator and the fourth escalator. Improve the effect of conical rubber sleeve.

[0011] Beneficial effects:

[0012] Compared with the prior art, the wide replaceable footboard type boarding ladder forms a multi-stage telescopic boarding ladder through the escalator pipes of different diameters, limiting sheets, mounting pipes, horizontal tread pipes, footboards and fixed bolts, improves the convenience of storing the boarding ladder, and reduces the total weight of the boarding ladder by using the hollow structure of the escalator pipes and the horizontal tread pipes. The integrated structure of the horizontal tread pipe, the mounting pipe, the conical rubber sleeve, the plastic sealing cap and the silica gel washer increases the weight capacity of the boarding ladder, increases the difficulty of water seepage into the interior of the boarding ladder, and improves the service life of the boarding ladder. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings and embodiments;

[0014] Fig. 1 It is the side view structure diagram of the utility model wide replaceable footboard type boarding ladder;

[0015] Fig. 2 It is the front view structure diagram of the utility model wide replaceable footboard type boarding ladder;

[0016] Fig. 3The utility model discloses wide replaceable footboard type boarding ladder's upper half part split state amplification structural drawing.

[0017] Legend:

[0018] 1, the first escalator; 2, the second escalator; 3, the third escalator; 4, the installation pipe; 5, the horizontal tread pipe; 6, the tread board; 7, the fixed bolt; 8, the plastic cover; 9, the silica gel washer; 10, the limiting sheet; 11, the conical rubber sleeve; 12, the supporting leg; 13, the fourth escalator; 14, the escalator pipe. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0020] Reference Figs. 1-3 The utility model embodiment wide replaceable footboard type boarding ladder, it includes: the first escalator 1, the upper end fixed connection of first escalator 1 has the supporting leg 12, the supporting leg 12 is fixedly connected with boarding ladder installation place, the lower end of first escalator 1 is provided with the second escalator 2, the third escalator 3, the fourth escalator 13, the upper end of second escalator 2, the upper end of third escalator 3, the fourth escalator 13 respectively penetrates the lower end of first escalator 1, the lower end of second escalator 2, the lower end of third escalator 3, when not using boarding ladder, the upper end of second escalator 2 is located in the interior of first escalator 1, the upper end of third escalator 3 is located in the interior of second escalator 2, the upper end of fourth escalator 13 is located in the interior of third escalator 3, the above components cooperate, form the basic of telescopic boarding ladder, the upper end of second escalator 2, third escalator 3 is fixedly connected with limiting sheet 10, the diameter of limiting sheet 10 is greater than the diameter of the place where second escalator 2, third escalator 3 pass through, limiting sheet 10 is used to limit the falling height of second escalator 2, third escalator 3, avoids second escalator 2, third escalator 3 to separate.

[0021] The first escalator 1, the second escalator 2, the third escalator 3 and the fourth escalator 13 are all composed of two escalator pipes 14, two mounting pipes 4 and one horizontal stepping pipe 5, the upper end of the escalator pipe 14 in the second escalator 2, the third escalator 3 and the fourth escalator 13 is fixedly connected with the limiting sheet 10, the diameter of the corresponding escalator pipe 14 in the first escalator 1, the second escalator 2, the third escalator 3 and the fourth escalator 13 is different, the lower end of the mounting pipe 4 is fixedly connected with the escalator pipe 14, the left and right sides of the horizontal stepping pipe 5 are fixedly connected with the mounting pipe 4, the lower end of the mounting pipe 4 is fixedly connected with the escalator pipe 14, the left and right sides of the horizontal stepping pipe 5 are fixedly connected with the mounting pipe 4, the escalator pipe 14 is the basic framework of the boarding ladder, the mounting pipe 4 is used for improving the flatness of the welding position of the horizontal stepping pipe 5 and improving the integration effect of the welding position, wherein the escalator pipe 14 and the horizontal stepping pipe 5 are used for reducing the total weight of the boarding ladder, the upper end of the escalator pipe 14 in the first escalator 1, the lower end of the escalator pipe 14 in the fourth escalator 13 and the left and right sides of the horizontal stepping pipe 5 are all provided with the plastic cover 8, and the plastic cover 8 is used for improving the sealing effect of the escalator pipe 14 and the horizontal stepping pipe 5.

[0022] The upper end of the escalator pipe 14 in the first escalator 1, the lower end of the escalator pipe 14 in the fourth escalator 13 and the left and right sides of the horizontal stepping pipe 5 are all provided with the plastic cover 8, the conical rubber sleeve 11 is flexible and easy to deform, when the boarding ladder is not used, the lower end of the conical rubber sleeve 11 completely covers the passing position of the second escalator 2, the third escalator 3 and the fourth escalator 13, and the conical rubber sleeve 11 is used for improving the sealing effect of the passing position of the second escalator 2, the third escalator 3 and the fourth escalator 13 in the storage state.

[0023] The upper surface of the horizontal stepping pipe 5 is provided with the stepping plate 6, the stepping plate 6 is used for avoiding the direct contact between the user and the horizontal stepping pipe 5, the left and right surfaces of the stepping plate 6 are both provided with the fixed bolt 7, the lower end of the fixed bolt 7 is screwed with the horizontal stepping pipe 5 through the stepping plate 6, the rear end of the stepping plate 6 is greater than the thickness of the nut of the fixed bolt 7, the upper end of the fixed bolt 7 is not protruded from the upper surface of the stepping plate 6, the fixed bolt 7 is used for integrating the stepping plate 6 and the horizontal stepping pipe 5, the upper surface of the horizontal stepping pipe 5 is fixedly connected with the silica gel gasket 9, the lower end of the fixed bolt 7 is screwed with the horizontal stepping pipe 5 through the silica gel gasket 9, the silica gel gasket 9 is embedded in the upper surface of the horizontal stepping pipe 5, and the silica gel gasket 9 is not protruded from the upper surface of the horizontal stepping pipe 5, wherein the inner diameter of the silica gel gasket 9 is smaller than the diameter of the fixed bolt 7, and the sealing effect of the screw hole on the upper surface of the horizontal stepping pipe 5 is improved.

[0024] Working principle: when using the boarding ladder, directly press the third stair 3, make the second stair 2, the third stair 3 and the fourth stair 13 fully extend, when storing the boarding ladder, with the second stair 2 and the third stair 3 being stored, the conical rubber sleeve 11 is extruded and deformed, thereby shielding and closing the passing place of the second stair 2, the third stair 3 and the fourth stair 13, wherein during the use of the boarding ladder, the stepping plate 6 is fixed to the upper surface of the horizontal stepping pipe 5 by the fixed bolt 7, so that the user can change the stepping plate 6 at will, wherein the diameter of the hole of the silica gel washer 9 is smaller than the diameter of the fixed bolt 7, so that the silica gel washer 9 completely fills the gap between the fixed bolt 7 and the screw hole during the action of the fixed bolt 7.

[0025] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A wide replaceable footboard type embarkation ladder, characterized in that, Include: The upper end of the first escalator (1) is fixedly connected with a support foot (12), the support foot (12) is fixedly connected with the ship ladder installation place, the lower end of the first escalator (1) is provided with the second escalator (2), the third escalator (3), the fourth escalator (13), the upper end of the second escalator (2), the third escalator (3), the fourth escalator (13) is respectively through the lower end of the first escalator (1), the lower end of the second escalator (2), the lower end of the third escalator (3), when the ship ladder is not used, the upper end of the second escalator (2) is located in the inside of the first escalator (1), the upper end of the third escalator (3) is located in the inside of the second escalator (2), the upper end of the fourth escalator (13) is located in the inside of the third escalator (3), the upper end of the second escalator (2), the third escalator (3), the fourth escalator (13) is fixedly connected with the limiting sheet (10); The first escalator (1), the second escalator (2), the third escalator (3), the fourth escalator (13) are all composed of two escalator pipes (14), two installation pipes (4) and one horizontal tread pipe (5), the upper end of the escalator pipe (14) in the second escalator (2), the third escalator (3), the fourth escalator (13) is fixedly connected with the limiting sheet (10); The lower end of the installation pipe (4) in the first escalator (1), the second escalator (2), the third escalator (3) is fixedly connected with a conical rubber sleeve (11), the upper surface of the horizontal tread pipe (5) is provided with a stepping plate (6), the left and right ends of the upper surface of the stepping plate (6) are provided with fixed bolts (7), the lower end of the fixed bolt (7) is screwed with the horizontal tread pipe (5) through the stepping plate (6).

2. The wide replaceable gangway as claimed in claim 1, wherein, The diameters of the corresponding escalator pipes (14) of the first escalator (1), the second escalator (2), the third escalator (3) and the fourth escalator (13) are different, the lower end of the installation pipe (4) is fixedly connected with the escalator pipe (14), the left and right sides of the horizontal tread pipe (5) are fixedly connected with the installation pipe (4).

3. The wide replaceable gangway as claimed in claim 1, wherein, The upper end of the escalator pipe (14) in the first escalator (1), the lower end of the escalator pipe (14) in the fourth escalator (13) and the left and right sides of the horizontal tread pipe (5) are all provided with plastic covers (8).

4. The wide replaceable gangway as claimed in claim 1, wherein, The thickness of the stepping plate (6) is greater than the thickness of the fixed bolt (7) nut, when the ship ladder is used, the upper end of the fixed bolt (7) does not protrude from the upper surface of the stepping plate (6).

5. The wide replaceable gangway as claimed in claim 1, wherein, The upper surface of the horizontal tread pipe (5) is fixedly connected with a silica gel gasket (9), the lower end of the fixed bolt (7) is screwed with the horizontal tread pipe (5) through the silica gel gasket (9).

6. The wide replaceable gangway as claimed in claim 5, characterized in that The silica gel gasket (9) is embedded in the upper surface of the horizontal tread pipe (5), and the silica gel gasket (9) does not protrude from the upper surface of the horizontal tread pipe (5).

7. The wide replaceable gangway as claimed in claim 1, wherein, The conical rubber sleeve (11) is flexible and easy to deform, when the ship ladder is not used, the lower end of the conical rubber sleeve (11) completely blocks the passing place of the second escalator (2), the third escalator (3) and the fourth escalator (13).

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