Force transmission hinge mechanism for vehicle-mounted climbing ladder

Abstract

The utility model discloses a force transmission hinge mechanism for a vehicle-mounted climbing ladder, which comprises a climbing ladder body connecting mechanism, a double-rocker mechanism, a climbing ladder connecting mechanism and an air support mechanism, the air support mechanism is a power source of the mechanism, the mechanism can utilize the air support to support and assist in taking the ladder, the purpose of saving labor is achieved, and when the ladder is taken back, the force transmission hinge mechanism is convenient to use. The air support can also play a role in buffering, the climbing ladder body is prevented from being cracked up when the ladder is withdrawn, the mechanism is a double-connecting-rod hinge mechanism, the overall size of the mechanism can be smaller, the size of the vehicle-mounted climbing ladder body is saved, and wind resistance of vehicle running is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile ladder, concretely is a force transmission hinge mechanism for vehicle ladder. BACKGROUND

[0002] The vehicle telescopic ladder is a ladder specially designed for the roof of a vehicle, which is made of high-strength aluminum alloy material. The design of this ladder greatly facilitates the work of construction personnel, especially in the case of needing to install an antenna, scanner or other special equipment on the roof of a vehicle. The vehicle ladder is specially designed to be closely combined with the vehicle, and has high stability and safety. During the driving of the vehicle, it can withstand a certain degree of vibration and shaking without being damaged. Moreover, the anti-skid parts and reasonable design of the steps can reduce the risk of slipping and falling when climbing, providing a relatively safe climbing condition for personnel. The use of modern vehicles is constantly expanding, and modern young people like to drive to go camping and travel. Camping and travel require carrying a lot of luggage, and in the case of insufficient space in the vehicle, the roof platform will be used to store luggage. In order to facilitate the taking of luggage, a vehicle telescopic ladder can be installed on the roof platform to take the luggage. For people with less strength, a power-assisted device needs to be installed to assist in taking the ladder when using the vehicle telescopic ladder alone.

[0003] In summary, the existing technology has many drawbacks, which are summarized as follows:

[0004] ① The existing vehicle ladder cannot be taken down by using the force in the process of taking the ladder.

[0005] ② The existing vehicle ladder connecting device occupies most of the space, resulting in an increase in the volume of the vehicle ladder body and an increase in the wind resistance of the vehicle during operation. CONTENT OF THE UTILITY MODEL

[0006] In view of the deficiencies of the prior art, the utility model provides a force transmission hinge mechanism for vehicle ladder to solve the above problems.

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme.

[0008] A force transmission hinge mechanism for a vehicle-mounted ladder, comprising a ladder body connecting mechanism, a double rocker mechanism, a ladder connecting mechanism, a gas support mechanism, the ladder body connecting mechanism comprising a defined slot A, a defined slot B, a rocker connecting hole A, a rocker connecting hole B, the double rocker mechanism comprising a rocker A, a rocker B, a rotating support, the rocker A and the rocker B being arranged on the rotating support, the rocker A being provided with a ladder body fixing hole A, a movable slot A connecting hole, a defined slot A connecting hole, the rocker B being provided with a ladder body fixing hole B, a movable slot B connecting hole, a defined slot B connecting hole, the ladder connecting mechanism comprising a movable slot A, a movable slot B, the gas support mechanism being provided with a gas support, the gas support mechanism being arranged on the ladder connecting mechanism, and the gas support mechanism being fixed with the rotating support.

[0009] Preferably, a pin shaft is arranged on the defined slot A connecting hole and the defined slot B connecting hole respectively, the pin shaft of the defined slot A connecting hole being movable in the defined slot A, and the pin shaft of the defined slot B connecting hole being movable in the defined slot B.

[0010] Preferably, the rocker connecting hole A and the ladder body fixing hole A are fixed in a rotating manner, and the rocker connecting hole B and the ladder body fixing hole B are fixed in a rotating manner.

[0011] Preferably, a pin shaft is arranged on the movable slot A connecting hole and the movable slot B connecting hole respectively, the pin shaft of the movable slot A connecting hole being movable in the movable slot A, and the pin shaft of the movable slot B connecting hole being movable in the movable slot B.

[0012] Preferably, a hexagonal bolt is arranged on the pin shaft of the defined slot A connecting hole, the pin shaft of the defined slot B connecting hole, the pin shaft of the movable slot A connecting hole, and the pin shaft of the movable slot B connecting hole respectively.

[0013] Preferably, the gas support mechanism is fixed on the ladder connecting mechanism by a screw.

[0014] Preferably, one end of the gas support is in contact with the rotating support, and the gas support is a power source of the mechanism.

[0015] Preferably, the rocker A and the rocker B are arranged on the two sides of the rotating support respectively.

[0016] Preferably, the rocker A and the rocker B are arranged on the two sides of the rotating support by pin shafts respectively.

[0017] Preferably, the rocker A and the rocker B are flexibly connected on the two sides of the rotating support by pin shafts respectively, and the rocker A and the rocker B are rotatable.

[0018] Compared with the prior art, the utility model discloses a force transmission hinge mechanism for vehicle-mounted ladder, including ladder body connecting mechanism, double rocker mechanism, ladder connecting mechanism, gas support mechanism mutual combination uses play a role.

[0019] ①The mechanism is additionally provided with a gas support mechanism, can utilize the gas support to assist to take the ladder, reaches the purpose of saving the force, when the ladder is retracted, the gas support can also play the role of buffering, avoids the collision of the ladder body when the ladder is retracted.

[0020] ②The mechanism adopts double connecting rod mechanism, can make the overall volume of the mechanism smaller, saves the volume of the vehicle-mounted ladder body, reduces the wind resistance when the vehicle drives. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is structural schematic drawing of the utility model in minimum open state.

[0022] Figure 2 It is structural schematic drawing of the utility model in maximum open state.

[0023] Figure 3 It is structural schematic drawing of the ladder connecting mechanism and gas support mechanism of the utility model.

[0024] Figure 4 It is structural schematic drawing of the double rocker mechanism of the utility model.

[0025] Figure 5 It is structural schematic drawing of the ladder body connecting mechanism of the utility model.

[0026] Figure 6 It is structural schematic drawing of the utility model installed on the vehicle-mounted ladder. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment one

[0029] A force transmission hinge mechanism for a vehicle-mounted ladder, comprising a ladder body connecting mechanism 1, a double rocker mechanism 2, a ladder connecting mechanism 3, and a gas support mechanism 4, wherein the ladder body connecting mechanism 1 comprises a defined slot A11, a defined slot B12, a rocker connecting hole A13, and a rocker connecting hole B14; the double rocker mechanism 2 comprises a rocker A21, a rocker B22, and a rotating support 23, wherein the rocker A21 and the rocker B22 are arranged on the rotating support 23, the rocker A21 is provided with a ladder body fixing hole A211, a movable slot A connecting hole 212, and a defined slot A connecting hole 213, and the rocker B22 is provided with a ladder body fixing hole B221, a movable slot B connecting hole 222, and a defined slot B connecting hole 223; the ladder connecting mechanism 3 comprises a movable slot A31 and a movable slot B32; the gas support mechanism 4 is installed with a gas support 41, is installed on the ladder connecting mechanism 3, and is fixed with the rotating support 23.

[0030] Pin shafts are respectively installed on the defined slot A connecting hole 213 and the defined slot B connecting hole 223, the pin shaft of the defined slot A connecting hole 213 moves in the defined slot A11, and the pin shaft of the defined slot B connecting hole 223 moves in the defined slot B12.

[0031] The rocker connecting hole A13 and the ladder body fixing hole A211 are fixed in rotation with each other, and the rocker connecting hole B14 and the ladder body fixing hole B221 are fixed in rotation with each other.

[0032] Pin shafts are respectively installed on the movable slot A connecting hole 212 and the movable slot B connecting hole 222, the pin shaft of the movable slot A connecting hole 212 moves in the movable slot A31, and the pin shaft of the movable slot B connecting hole 222 moves in the movable slot B32.

[0033] Hexagonal bolts are respectively installed on the pin shafts of the defined slot A connecting hole 213, the defined slot B connecting hole 223, the movable slot A connecting hole 212, and the movable slot B connecting hole 222 to ensure that each pin shaft does not come off during movement.

[0034] The gas support mechanism 4 is fixed on the ladder connecting mechanism 3 by screw installation.

[0035] One end of the gas support 41 is in contact with the rotating support 23, and the gas support 41 is a power source of the mechanism.

[0036] The rocker A21 and the rocker B22 are respectively installed on the two sides of the rotating support 23.

[0037] The rocker A21 and the rocker B22 are respectively installed on the two sides of the rotating support 23 by pin shafts.

[0038] The rocker A21 and the rocker B22 are flexibly connected to the two sides of the rotating support 23 through pin shafts, and the rocker A21 and the rocker B22 are rotatable.

[0039] The double-rocker mechanism 2, the ladder connecting mechanism 3 and the air supporting mechanism 4 of the present mechanism are all axisymmetric.

[0040] The use scene of the present mechanism is shown in the figure. Figure 6 As shown in the figure, press the button on the handle, and lift it up to activate the air support 41, which supports the movement of the present mechanism as the power source. After the air support 41 moves, the pin shafts of the limiting groove A connecting hole 213, the limiting groove B connecting hole 223, the movable groove A connecting hole 212 and the movable groove B connecting hole 222 are respectively moved in the limiting groove A11, the limiting groove B12, the movable groove A31 and the movable groove B32. Finally, the present mechanism will be in the maximum open state as shown in the figure. Figure 2

[0041] Embodiment two

[0042] Based on the above, the type or size of each connecting hole of the present mechanism is changed, and a static bearing is added at each rotation point of the present mechanism, which can reduce the resistance of the telescopic movement of the present mechanism and make the use of the vehicle-mounted ladder more smooth.

[0043] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise. In addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, they refer to the presence of a feature, step, work, device, component and / or combination thereof.

[0044] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described figures are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0045] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. A force transmitting hinge mechanism for a vehicle mounted ladder, characterised in that: The utility model provides a ladder body connecting mechanism (1), double rocker mechanism (2), ladder connecting mechanism (3), gas support mechanism (4), the ladder body connecting mechanism (1) includes the slot A (11), the slot B (12), rocker connecting hole A (13), rocker connecting hole B (14), the double rocker mechanism (2) includes rocker A (21), rocker B (22), rotating support (23), and rocker A (21) is arranged with rocker B (22) on rotating support (23), and rocker A (21) is equipped with ladder body fixed hole A (211), movable slot A connecting hole (212), slot A connecting hole (213), and rocker B (22) is equipped with ladder body fixed hole B (221), movable slot B connecting hole (222), slot B connecting hole (223), the ladder connecting mechanism (3) includes movable slot A (31), movable slot B (32), and the gas support mechanism (4) is installed with gas support (41) in, and the gas support mechanism (4) is installed on ladder connecting mechanism (3), and the gas support mechanism (4) is fixed with rotating support (23).

2. The force transfer hinge mechanism for a vehicle mounted ladder stand according to claim 1, wherein: The slot A connecting hole (213) and the slot B connecting hole (223) are respectively installed with a pin shaft, the pin shaft of the slot A connecting hole (213) is movable in the slot A (11), and the pin shaft of the slot B connecting hole (223) is movable in the slot B (12).

3. The force transfer hinge mechanism for a vehicle mounted ladder stand according to claim 1, wherein: The rocker connecting hole A (13) and the ladder body fixed hole A (211) are rotatably fixed, and the rocker connecting hole B (14) and the ladder body fixed hole B (221) are rotatably fixed.

4. The force transfer hinge mechanism for a vehicle mounted ladder stand according to claim 2, wherein: The movable slot A connecting hole (212) and the movable slot B connecting hole (222) are respectively installed with a pin shaft, the pin shaft of the movable slot A connecting hole (212) is movable in the movable slot A (31), and the pin shaft of the movable slot B connecting hole (222) is movable in the movable slot B (32).

5. The force transmitting hinge mechanism for a vehicle mounted ladder stand according to claim 4, wherein: The pin shaft of the slot A connecting hole (213), the pin shaft of the slot B connecting hole (223), the pin shaft of the movable slot A connecting hole (212) and the pin shaft of the movable slot B connecting hole (222) are respectively installed with a hexagonal bolt.

6. The force transfer hinge mechanism for a vehicle mounted ladder stand of claim 1, wherein: The gas support mechanism (4) is fixed on the ladder connecting mechanism (3) by screw installation.

7. The force transfer hinge mechanism for a vehicle mounted ladder stand of claim 1, wherein: One end of the gas support (41) contacts the rotating support (23), and the gas support (41) is a power source of the mechanism.

8. The force transfer hinge mechanism for a vehicle mounted ladder stand of claim 1, wherein: The rocker A (21) and the rocker B (22) are respectively installed on both sides of the rotating support (23).

9. The force transmitting hinge mechanism for a vehicle mounted ladder stand according to claim 8, wherein: The rocker A (21) and the rocker B (22) are respectively installed on both sides of the rotating support (23) by the pin shaft.

10. The force transmitting hinge mechanism for a vehicle mounted ladder stand according to claim 9, wherein: The rocker A (21) and the rocker B (22) are respectively flexibly connected on both sides of the rotating support (23) by the pin shaft, and the rocker A (21) and the rocker B (22) are rotatable.

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