Marine vertical ladder structure
By designing a retractable marine straight ladder structure, the combination of positioning pins and chute slide rails is used to solve the problem of large space occupancy of existing straight ladders, and it realizes rapid contraction when not in use and rapid extension when in use, meeting the needs of personnel up and down.
Patent Information
- Application Number
- CN202422316388.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-23
AI Technical Summary
The existing straight marine ladders take up a lot of space when not in use, and cannot effectively save space.
A marine straight ladder structure including a first straight rod and a second straight rod is designed. By providing a positioning pin and a positioning hole on the straight rod, combining a sliding groove and a sliding rail, the telescopic movement of the straight rod is realized, allowing for easy shrinkage and opening.
It can quickly shrink when not in use, save space, and extend out quickly when needed, meet the needs of people, and has a simple and convenient structure.
Smart Images

Figure CN223045925U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ship components, and more specifically, relates to a marine straight ladder structure. Background Art
[0002] For ships such as sightseeing ships and business ships, there are high requirements for space utilization. However, since the climbing ladder is an essential component, it will occupy a lot of space, resulting in waste of space.
[0003] In the prior art, there is a technology with the name of "a movable straight ladder" and the publication number of "CN203402371 U". This technology discloses a movable straight ladder, including a ladder body vertically and parallelly connected to a ship's box column. One end of the upper straight ladder foot is movably hinged to the upper end of the ladder body, and the other end of the upper straight ladder foot is movably hinged to an upper support block on the box column; one end of the lower straight ladder foot is movably hinged to the lower end of the ladder body, and the other end of the lower straight ladder foot is movably hinged to a lower support block on the box column. There are more than two support pin holes around the hinge point of the lower support block and the lower straight ladder foot on the lower support block. Any one of the support pin holes is located outside the hinge point of the support block and the lower straight ladder foot. There is a connecting pin hole on the lower straight ladder foot corresponding to the two support pin holes respectively. The lower straight ladder foot is connected to the lower support block through a connecting pin passing through the connecting pin hole. The ladder body is movably hinged to the box column by the straight ladder foot, and the pulling out, supporting and using and retracting and storing of the ladder body are realized through the rotational positioning between the ladder body and the straight ladder foot. Its structure is simple and the use is convenient, and it can take into account the installation of the straight ladder and the effective space of the pedestrian passage.
[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the Utility Model
[0005] The technical problem to be solved by the utility model is: aiming at the deficiencies of the prior art, to provide a marine straight ladder structure with a simple structure, which can be conveniently and quickly retracted and stored when not in use, saving the occupied space, and can be conveniently and quickly extended and opened when in use to meet the needs of personnel going up and down.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows:
[0007] The utility model is a marine straight ladder structure, including a first straight rod and a second straight rod. A plurality of tread plates are arranged between the first straight rod and the second straight rod. The first straight rod includes a first straight rod sleeve and a first sleeve rod of the first straight rod. A first positioning pin is arranged on the first straight rod sleeve, and a first positioning hole is arranged on the first sleeve rod of the first straight rod. The second straight rod includes a second straight rod sleeve and a first sleeve rod of the second straight rod. A second positioning pin is arranged on the second straight rod sleeve, and a second positioning hole is arranged on the first sleeve rod of the second straight rod.
[0008] The tread plate includes a tread plate sleeve plate, a first tread plate insertion plate, and a second tread plate insertion plate.
[0009] A first chute is arranged at the lower part of the first straight rod sleeve of the first straight rod, a second chute is arranged at the lower part of the second straight rod sleeve of the second straight rod, and a first slide rail and a second slide rail are arranged on the ship deck.
[0010] The first straight rod further includes a first second sleeve rod of the straight rod, and the second straight rod further includes a second second sleeve rod of the straight rod.
[0011] The first second sleeve rod of the straight rod is movably clamped on the first slide rail through the first chute, and the second second sleeve rod of the straight rod is movably clamped on the second slide rail through the second chute.
[0012] A first positioning pin is arranged at each end of the first straight rod sleeve, a first positioning hole is arranged at one end of the first first sleeve rod of the straight rod located inside the first straight rod sleeve, and a first positioning hole is arranged at one end of the first second sleeve rod of the straight rod located inside the first straight rod sleeve.
[0013] A first positioning pin is arranged at each end of the second straight rod sleeve, a second positioning hole is arranged at one end of the first first sleeve rod of the second straight rod located inside the second straight rod sleeve, and a second positioning hole is arranged at one end of the second second sleeve rod of the second straight rod located inside the second straight rod sleeve.
[0014] The first chute is of an inverted T-shaped structure, and the first slide rail is of a T-shaped structure.
[0015] The second chute is of an inverted T-shaped structure, and the second slide rail is of a T-shaped structure.
[0016] Adopting the technical solution of the present utility model, the working principle and beneficial effects are as follows:
[0017] The marine straight ladder structure described in the present utility model respectively manufactures the first straight rod and the second straight rod, and a plurality of tread plates are arranged between the first straight rod and the second straight rod. The first straight rod includes a first straight rod sleeve and a first sleeve rod of the first straight rod. One end of the first straight rod sleeve is internally sleeved with the first sleeve rod of the first straight rod, and the two can be telescopically moved, that is, they can be retracted and extended. A first positioning pin is arranged on the first straight rod sleeve, and a first positioning hole is arranged on the first sleeve rod of the first straight rod. After the first sleeve rod of the first straight rod extends relative to the first straight rod sleeve to the longest state, the first positioning pin is inserted into the first positioning hole to realize the fixation of the first sleeve rod of the first straight rod and the first straight rod sleeve. When the first sleeve rod of the first straight rod needs to be retracted into the first straight rod sleeve, the first positioning pin is loosened outward, and then the first sleeve rod of the first straight rod is pushed into the first straight rod sleeve to realize retraction. The second straight rod includes a second straight rod sleeve and a first sleeve rod of the second straight rod. One end of the second straight rod sleeve is internally sleeved with the first sleeve rod of the second straight rod, and the two can be telescopically moved, that is, they can be retracted and extended. A second positioning pin is arranged on the second straight rod sleeve, and a second positioning hole is arranged on the first sleeve rod of the second straight rod. After the first sleeve rod of the second straight rod extends relative to the second straight rod sleeve to the longest state, the second positioning pin is inserted into the second positioning hole to realize the fixation of the first sleeve rod of the second straight rod and the second straight rod sleeve. When the first sleeve rod of the second straight rod needs to be retracted into the first straight rod sleeve, the second positioning pin is loosened outward, and then the first sleeve rod of the second straight rod is pushed into the second straight rod sleeve to realize retraction, which is convenient and flexible to realize retraction and opening. The marine straight ladder structure described in the present utility model has a simple structure, can be conveniently and quickly retracted and stored when not in use, saves occupied space, and can be conveniently and quickly extended and opened when in use to meet the needs of personnel to get on and off. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The following briefly describes the content expressed by each drawing in this specification and the marks in the drawings:
[0019] Figure 1 It is a front view structural schematic diagram when the first embodiment of the marine straight ladder structure described in the present utility model is opened;
[0020] Figure 2 It is a side view structural schematic diagram when the first embodiment of the marine straight ladder structure described in the present utility model is opened;
[0021] Figure 3 It is a front view structural schematic diagram when the first embodiment of the marine straight ladder structure described in the present utility model is retracted;
[0022] Figure 4 It is a front view structural schematic diagram when the second embodiment of the marine straight ladder structure described in the present utility model is opened;
[0023] Figure 5 It is a side view structural schematic diagram when the second embodiment of the marine straight ladder structure described in the present utility model is opened;
[0024] Figure 6 This is a schematic top view of the second embodiment of the marine straight ladder structure described in the present utility model when it is retracted;
[0025] The markings in the drawings are respectively: 1, the first straight rod; 2, the second straight rod; 3, the tread plate; 4, the first straight rod sleeve; 5, the first sleeve rod of the first straight rod; 6, the second straight rod sleeve; 7, the first sleeve rod of the second straight rod; 8, the tread plate sleeve plate; 9, the tread plate insertion plate; 10, the first positioning pin; 11, the second positioning pin; 12, the first chute; 13, the second chute; 14, the first slide rail; 15, the second slide rail; 16, the second sleeve rod of the first straight rod; 17, the second sleeve rod of the second straight rod; 18, the ship deck. Detailed implementation manners
[0026] The following is a further detailed description of the specific implementation manners of the present utility model, such as the shapes, structures, mutual positions and connection relationships between various components, the functions and working principles of each part, etc., with reference to the accompanying drawings and descriptions of the embodiments:
[0027] As shown in the atta Figure 1 - atta Figure 6As shown in the figure, the utility model relates to a marine straight ladder structure, which includes a first straight rod 1 and a second straight rod 2. A plurality of tread plates 3 are arranged between the first straight rod 1 and the second straight rod 2. The first straight rod 1 includes a first straight rod sleeve 4 and a first straight rod first sleeve 5. A first positioning pin 10 is arranged on the first straight rod sleeve 4, and a first positioning hole is arranged on the first straight rod first sleeve 5. The second straight rod 2 includes a second straight rod sleeve 6 and a second straight rod first sleeve 7. A second positioning pin 11 is arranged on the second straight rod sleeve 6, and a second positioning hole is arranged on the second straight rod first sleeve 7. For the deficiencies in the prior art, the above structure proposes an improved technical solution. When setting up the structure, the first straight rod 1 and the second straight rod 2 are respectively manufactured. A plurality of tread plates 3 are arranged between the first straight rod 1 and the second straight rod 2. The first straight rod 1 includes a first straight rod sleeve 4 and a first straight rod first sleeve 5. One end of the first straight rod sleeve 4 is internally sleeved with the first straight rod first sleeve 5, and the two can move telescopically, that is, they can be retracted and extended. A first positioning pin 10 is arranged on the first straight rod sleeve 4, and a first positioning hole is arranged on the first straight rod first sleeve 5. After the first straight rod first sleeve 5 extends relative to the first straight rod sleeve 4 to the longest state, the first positioning pin 10 is inserted into the first positioning hole to fix the first straight rod first sleeve 5 and the first straight rod sleeve 4. When the first straight rod first sleeve 5 needs to be retracted into the first straight rod sleeve 4, the first positioning pin 10 is loosened outward, and then the first straight rod first sleeve 5 is pushed into the first straight rod sleeve 4 to achieve retraction. The second straight rod 2 includes a second straight rod sleeve 6 and a second straight rod first sleeve 7. One end of the second straight rod sleeve 6 is internally sleeved with the second straight rod first sleeve 7, and the two can move telescopically, that is, they can be retracted and extended. A second positioning pin 11 is arranged on the second straight rod sleeve 6, and a second positioning hole is arranged on the second straight rod first sleeve 7. After the second straight rod first sleeve 7 extends relative to the second straight rod sleeve 6 to the longest state, the second positioning pin 11 is inserted into the second positioning hole to fix the second straight rod first sleeve 7 and the second straight rod sleeve 6. When the second straight rod first sleeve 7 needs to be retracted into the first straight rod sleeve 6, the second positioning pin 11 is loosened outward, and then the second straight rod first sleeve 7 is pushed into the second straight rod sleeve 6 to achieve retraction, which is convenient and flexible for retraction and opening. The marine straight ladder structure described in the utility model has a simple structure. It can be conveniently and quickly retracted and stored when not in use, saving occupied space, and can be conveniently and quickly extended and opened when in use to meet the needs of personnel going up and down.
[0028] The described tread plate 3 includes a tread plate sleeve 8 and a first tread plate insertion plate 9. In the above structure, one end of the tread plate sleeve 8 is connected to the first straight rod, and one end of the tread plate insertion plate 9 is connected to the second straight rod. The other end of the tread plate insertion plate 9 is movably inserted into the tread plate sleeve 8, and the two can be telescoped, so that the length of the tread plate can be adjusted. After the adjustment is in place, insert the tread plate positioning pin on the tread plate sleeve 8 into the tread plate positioning hole on the tread plate insertion plate 9 to achieve position positioning. And multiple tread plate positioning holes are provided to achieve length adjustment in multiple length ranges. To increase the length of the tread plate 3, the tread plate 3 can also include a second tread plate insertion plate 19, and the second tread plate insertion plate 19 is movably inserted into the first tread plate insertion plate 9 to achieve telescoping.
[0029] A first chute 12 is provided at the lower part of the first straight rod sleeve 4 of the first straight rod 1, and a second chute 13 is provided at the lower part of the second straight rod sleeve 6 of the second straight rod 2. A first slide rail 14 and a second slide rail 15 are provided on the ship deck. The second sleeve rod 16 of the first straight rod is movably clamped on the first slide rail 14 through the first chute 12, and the second sleeve rod 17 of the second straight rod is movably clamped on the second slide rail 15 through the second chute 13. In the above structure, the first straight rod is movably connected to the first slide rail, and the first straight rod is perpendicular to the first slide rail. The first straight rod can move along the first slide rail. The second straight rod is movably connected to the second slide rail, and the second straight rod is perpendicular to the second slide rail. The second straight rod can move along the second slide rail, so that the structure of the marine straight ladder can move along the slide rail. In this way, the straight ladder can be moved according to the position where the straight ladder structure is needed, meeting the use requirements.
[0030] The first straight rod 1 further includes a second sleeve rod 16 of the first straight rod, and the second straight rod 2 further includes a second sleeve rod 17 of the second straight rod. In the above structure, the second sleeve rod 16 of the first straight rod is movably sleeved in the first straight rod sleeve 4, and the second sleeve rod 17 of the second straight rod is movably sleeved in the second straight rod sleeve 6. In this way, the lengths of the first straight rod 1 and the second straight rod 2 can be further increased.
[0031] One first positioning pin 10 is respectively provided at each end of the first straight rod sleeve 4. One end of the first sleeve rod 5 of the first straight rod located inside the first straight rod sleeve 4 is provided with a first positioning hole, and one end of the second sleeve rod 16 of the first straight rod located inside the first straight rod sleeve 4 is provided with a first positioning hole. Multiple first positioning holes are provided at one end of the second sleeve rod 16 of the first straight rod located inside the first straight rod sleeve 4. By inserting the first positioning pin into different first positioning holes, length adjustment is achieved.
[0032] A first positioning pin 10 is respectively arranged at each end of the second straight rod sleeve 6. A second positioning hole is arranged at one end of the first sleeve rod 7 of the second straight rod located inside the second straight rod sleeve 6, and a second positioning hole is arranged at one end of the second sleeve rod 17 of the second straight rod located inside the second straight rod sleeve 6. A plurality of second positioning holes are arranged at one end of the second sleeve rod 17 of the second straight rod located inside the second straight rod sleeve 6. The length adjustment is realized by inserting the second positioning pin into different second positioning holes.
[0033] The first sliding groove 12 is of an inverted T-shaped structure, and the first sliding rail 14 is of a T-shaped structure. The second sliding groove 13 is of an inverted T-shaped structure, and the second sliding rail 15 is of a T-shaped structure. With the above structures, when the first straight rod and the second straight rod move to the end of the sliding rail, the straight ladder structure can be taken away without occupying the space on the deck. When the straight ladder structure needs to be used, the straight rod is then matched with the sliding rail.
[0034] For the marine straight ladder structure of the present utility model, during the structural setting, the first straight rod 1 and the second straight rod 2 are respectively manufactured. A plurality of tread plates 3 are arranged between the first straight rod 1 and the second straight rod 2. The first straight rod 1 includes a first straight rod sleeve 4 and a first sleeve rod 5 of the first straight rod. The first sleeve rod 5 of the first straight rod is sleeved inside one end of the first straight rod sleeve 4, and the two can be telescopically moved, that is, they can be retracted and extended. A first positioning pin 10 is arranged on the first straight rod sleeve 4, and a first positioning hole is arranged on the first sleeve rod 5 of the first straight rod. After the first sleeve rod 5 of the first straight rod extends relative to the first straight rod sleeve 4 to the longest state, the first positioning pin 10 is inserted into the first positioning hole to realize the fixation of the first sleeve rod 5 of the first straight rod and the first straight rod sleeve 4. When the first sleeve rod 5 of the first straight rod needs to be retracted into the first straight rod sleeve 4, the first positioning pin 10 is loosened outward, and then the first sleeve rod 5 of the first straight rod is pushed into the first straight rod sleeve 4 to realize the retraction. The second straight rod 2 includes a second straight rod sleeve 6 and a first sleeve rod 7 of the second straight rod. The first sleeve rod 7 of the second straight rod is sleeved inside one end of the second straight rod sleeve 6, and the two can be telescopically moved, that is, they can be retracted and extended. A second positioning pin 11 is arranged on the second straight rod sleeve 6, and a second positioning hole is arranged on the first sleeve rod 7 of the second straight rod. After the first sleeve rod 7 of the second straight rod extends relative to the second straight rod sleeve 6 to the longest state, the second positioning pin 11 is inserted into the second positioning hole to realize the fixation of the first sleeve rod 7 of the second straight rod and the second straight rod sleeve 6. When the first sleeve rod 7 of the second straight rod needs to be retracted into the first straight rod sleeve 6, the second positioning pin 11 is loosened outward, and then the first sleeve rod 7 of the second straight rod is pushed into the second straight rod sleeve 6 to realize the retraction, which conveniently and flexibly realizes the retraction and opening of the straight ladder structure. The marine straight ladder structure of the present utility model has a simple structure, can be conveniently and quickly retracted and stored when not in use, saves the occupied space, and can be conveniently and quickly extended and opened when in use to meet the needs of personnel getting on and off.
[0035] The present utility model has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned manner. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or the concept and technical solution of the present utility model are directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.
Claims
1. A marine ladder structure, characterized in that: The invention comprises a first straight rod (1) and a second straight rod (2), a plurality of step plates (3) are arranged between the first straight rod (1) and the second straight rod (2), the first straight rod (1) comprises a first straight rod sleeve (4) and a first straight rod first sleeve (5), a first positioning pin (10) is arranged on the first straight rod sleeve (4), a first positioning hole is arranged on the first straight rod first sleeve (5), the second straight rod (2) comprises a second straight rod sleeve (6) and a second straight rod first sleeve (7), a second positioning pin (11) is arranged on the second straight rod sleeve (6), and a second positioning hole is arranged on the second straight rod first sleeve (7).
2. The marine ladder structure according to claim 1, characterized in that: The tread plate (3) comprises a tread plate sleeve (8), a first tread plate inserting plate (9) and a second tread plate inserting plate (19).
3. The marine ladder structure according to claim 1 or 2, characterized in that: A first slide groove (12) is arranged at the lower part of the first straight rod sleeve (4) of the first straight rod (1), a second slide groove (13) is arranged at the lower part of the second straight rod sleeve (6) of the second straight rod (2), and a first slide rail (14) and a second slide rail (15) are arranged on the ship deck.
4. The marine ladder structure according to claim 1 or 2, characterized in that: The first straight rod (1) further comprises a first straight rod second set of rods (16), and the second straight rod (2) further comprises a second straight rod second set of rods (17).
5. The marine ladder structure according to claim 4, characterized in that: The first straight rod and the second sleeve rod (16) are movably mounted on the first slide rail (14) through the first slide groove (12), and the second straight rod and the second sleeve rod (17) are movably mounted on the second slide rail (15) through the second slide groove (13).
6. The marine ladder structure according to claim 5, characterized in that: A first positioning pin (10) is provided at each end of the first straight rod sleeve (4), a first positioning hole is provided at one end of the first straight rod first sleeve rod (5) located in the first straight rod sleeve (4), and a first positioning hole is provided at one end of the first straight rod second sleeve rod (16) located in the first straight rod sleeve (4).
7. The marine ladder structure according to claim 1 or 2, characterized in that: A first positioning pin (10) is provided at each end of the second straight rod sleeve (6), a second positioning hole is provided at one end of the second straight rod first sleeve rod (7) located in the second straight rod sleeve (6), and a second positioning hole is provided at one end of the second straight rod second sleeve rod (17) located in the second straight rod sleeve (6).
8. The marine ladder structure according to claim 3, characterized in that: The first slide groove (12) is an inverted T-shaped structure, and the first slide rail (14) is a T-shaped structure.
9. The marine ladder structure according to claim 3, characterized in that: The second slide groove (13) is an inverted T-shaped structure, and the second slide rail (15) is a T-shaped structure.
Citation Information
Patent Citations
Movable straight ladder
CN203402371U