Aluminum alloy folding type double-layer getting-on step applied to motor home door

Abstract

The utility model discloses an aluminum alloy folding type double-layer getting-on step first pedal and step unit applied to a touring car door, which comprises a first pedal and a second pedal, the first pedal and the second pedal are arranged in a staggered manner, the first pedal and the second pedal are the same in material and size, and the first pedal and the second pedal are both made of aluminum alloy materials. When the pedal is used, the first pedal is far away from or close to the connecting block through matching of the half-step screw and the threaded groove, meanwhile, the movable block and the fixed block are fixed by inserting the plug pin into the inner cavity of the connecting hole and the inserting hole, the fixed block and one end of the movable block are close to or far away from each other, and then the second pedal is close to or far away from the connecting block. On the contrary, the folding effect is achieved, and the problem that the sole is clamped due to the fact that the spring rebounds under the combined force effect when the spring is used for folding is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of RV steps, in particular to an aluminum alloy folding double-layer boarding step applied to a door of a RV. Background Art

[0002] For trailer-type RVs, a step is usually required at the door for passengers to enter the room. The step is generally a double-layer structure of aluminum alloy. There are many types of steps, most of which are fixed, folding, and electric.

[0003] The existing step folding is folded and extended by springs, so that passengers can get on and off the RV. When the folding step is not fully opened, the passenger's legs and feet are easily clamped due to the composite force rebound of the spring, which poses a safety hazard. At the same time, the outward extension length of the step is certain, which cannot meet the requirements of getting on and off the vehicle in a horizontal state. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above-mentioned problems existing in the existing aluminum alloy folding double-layer boarding step used for the door of a recreational vehicle, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an aluminum alloy folding double-layer boarding step for use in RV doors, which is suitable for solving the problem that the composite force rebound of the spring can easily clamp the legs and feet of passengers, posing a safety hazard, and the step has a certain outward extension angle and cannot be easily adapted to a variety of environments.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: including:

[0008] A stepping unit, comprising a first pedal and a second pedal, wherein the first pedal and the second pedal are alternately arranged;

[0009] The movable unit comprises two groups of connecting blocks located at the bottom of both sides of the first pedal, the two groups of connecting blocks are provided with movable grooves running through both sides, each of the movable grooves is slidably connected with a corresponding connecting shaft, a screw is welded at one end of the two connecting shafts close to the inner side of the connecting block, one end of the screw is threadedly connected with a nut, the nut is abutted against the side wall of the connecting block, and a movable block is rotatably sleeved on the end of the connecting shaft away from the connecting block, a fixed block matching with it is provided at the bottom of the movable block, sockets are passed through the upper and lower ends of the fixed block, a connecting hole corresponding to the socket is opened at the lower part of the movable block, and a corresponding pin is inserted into the connecting hole, the movable unit also includes a lifting assembly for lifting the first pedal, a rack is fixedly connected to the middle position of the top of the inner cavity of the connecting block, and a movable gear is fixedly connected to the outer wall of the connecting shaft, and the movable gear is meshed with the rack.

[0010] As a preferred solution of the aluminum alloy folding double-layer boarding step applied to the door of a motorhome described in the utility model, the first pedal and the second pedal are made of the same material and size, and both the first pedal and the second pedal are made of aluminum alloy.

[0011] As a preferred solution of the aluminum alloy folding double-layer boarding step applied to the door of a motorhome described in the utility model, the materials of the connecting block, the movable block, the fixed block and the latch are all aluminum alloy materials.

[0012] As a preferred solution of the aluminum alloy folding double-layer boarding step applied to the door of a motorhome described in the utility model, the lifting assembly includes four lifting holes opened at the top corners of the first pedal, the inner walls of the four lifting holes are provided with threaded grooves, the interiors of the four threaded grooves are threadedly connected with half-step screws compatible with the lifting holes, and the lower end of each half-step screw is connected to the connecting block through a corresponding rotating block.

[0013] As a preferred solution of the aluminum alloy folding double-layer boarding step applied to the door of a motorhome described in the utility model, there are two groups of racks and two groups of movable gears.

[0014] As a preferred solution of the aluminum alloy folding double-layer boarding step applied to the door of a motorhome described in the utility model, one end of the fixed block away from the movable block is fixedly connected to one side of the second pedal, one end of the movable block is in a "U" shape, and one end of the fixed block is in a "T" shape.

[0015] The beneficial effects of the utility model are as follows: the first pedal is moved away from and close to the connecting block through the cooperation of the half-step screw and the thread groove, and the movable block and the fixed block are fixed by inserting the pin into the inner cavity of the connecting hole and the plug hole, so that the fixed block and one end of the movable block are moved close to and away from each other, thereby making the second pedal close to and away from the connecting block, achieving a folding effect, and vice versa, achieving a stretching effect, solving the problem of pinching the sole of the foot due to the rebound of the composite force of the spring when folding by the spring. The second pedal can be moved as a whole through the moving unit, thereby making the first pedal and the second pedal present a stair shape, and the fixing of the screw by the nut can make the second pedal meet the horizontal length requirement, thereby making the second pedal fixed for getting on and off the vehicle, and vice versa for reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of an aluminum alloy folding double-layer boarding step applied to a motorhome door proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the moving structure of an aluminum alloy folding double-layer boarding step applied to a motorhome door proposed by the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the structure of a lifting component of an aluminum alloy folding double-layer boarding step applied to a motorhome door.

[0020] In the figure: 100, step unit; 101, first pedal; 102, second pedal; 200, moving unit; 201, connecting block; 202, connecting shaft; 203, movable gear; 204, rack; 205, screw; 206, nut; 207, movable block; 208, fixed block; 209, jack; 210, connecting hole; 211, latch; 212, lifting assembly; 2121, lifting hole; 2122, threaded groove; 2123, half-step screw; 2124, rotating block; 213, movable groove. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] Example

[0026] Reference Figure 1-Figure 3 , which is an embodiment of the utility model, provides an aluminum alloy folding double-layer boarding step applied to a motorhome door, and the structure includes: a step unit 100 and a moving unit 200.

[0027] The stepping unit 100 includes a first pedal 101 and a second pedal 102, and the first pedal 101 and the second pedal 102 are arranged alternately, and the first pedal 101 and the second pedal 102 have the same material and size, and the first pedal 101 and the second pedal 102 are both made of aluminum alloy;

[0028] Further, the mobile unit 200 includes two groups of connecting blocks 201 located at the bottom of both sides of the first pedal 101, the two groups of connecting blocks 201 are provided with movable grooves 213 running through both sides, each movable groove 213 is slidably connected with a corresponding connecting shaft 202, a screw 205 is welded at one end of the two connecting shafts 202 close to the inner side of the connecting block 201, a nut 206 is threadedly connected at one end of the screw 205, the nut 206 is against the side wall of the connecting block 201, and a movable block 207 is rotatably sleeved at one end of the connecting shaft 202 away from the connecting block 201, a fixed block 208 adapted to the movable block 207 is provided at the bottom, and sockets 209 are penetrated at the upper and lower ends of the fixed block 208, a connecting hole 210 corresponding to the socket 209 is opened at the lower part of the movable block 207, and a corresponding latch 211 is inserted into the connecting hole 210, and the mobile unit 200 also includes a The lifting assembly 212 of the first pedal 101 is fixedly connected with a rack 204 in the middle position of the top of the inner cavity of the connecting block 201, and the outer wall of the connecting shaft 202 is fixedly connected with a movable gear 203, and the movable gear 203 is meshed with the rack 204. The end of the fixed block 208 away from the movable block 207 is fixedly connected to one side of the second pedal 102, and one end of the movable block 207 is in a "U" shape, and one end of the fixed block 208 is in a "T" shape. The materials of the connecting block 201, the movable block 207, the fixed block 208 and the latch 211 are all made of aluminum alloy. The movable block 207 and the fixed block 208 are fixed by inserting the latch 211 into the inner cavity of the connecting hole 210 and the plug hole 209, so that the fixed block 208 and one end of the movable block 207 are close to or far away from each other, so that the second pedal 102 is close to or far away from the connecting block 201, achieving a folding effect;

[0029] There are two groups of racks 204 and movable gears 203, and the racks 204 are meshed with the movable gears 203. The cooperation of the movable gears 203 and the racks 204 can realize the translation of the connecting shaft 202, so that the movable block 207 drives the second pedal 102 to move as a whole, so that the first pedal 101 and the second pedal 102 are in the shape of stairs. At the same time, the fixation of the screw rod 205 by the nut 206 can make the second pedal 102 be in the expected position, thereby realizing the position requirement for the horizontal state. The end of the fixed block 208 away from the movable block 207 is fixedly connected to one side of the second pedal 102, one end of the movable block 207 is in a "U" shape, and one end of the fixed block 208 is in a "T" shape.

[0030] The lifting assembly 212 includes four lifting holes 2121 opened at the top corners of the first pedal 101. The inner walls of the four lifting holes 2121 are provided with threaded grooves 2122. The interiors of the four threaded grooves 2122 are threadedly connected with half-step screws 2123 that are compatible with the lifting holes 2121. The lower end of each half-step screw 2123 is connected to the connecting block 201 through a corresponding rotating block 2124. Through the cooperation of the half-step screw 2123 and the threaded groove 2122, the first pedal 101 is moved away from and close to the connecting block 201, thereby achieving a folding effect.

[0031] During use, the first pedal 101 is moved away from and close to the connecting block 201 by twisting the rotating block 2124 and the cooperation of the half-step screw 2123 and the thread groove 2122. The movable block 207 and the fixed block 208 are fixed by inserting the latch 211 into the inner cavity of the connecting hole 210 and the plug hole 209, so that the fixed block 208 and one end of the movable block 207 are moved close to and away from each other, thereby making the second pedal 102 move close to and away from the connecting block 201, achieving a folding effect, and pulling the second pedal 102 through the fixed block The movement of 208 and the movable block 207 in coordination with the movable gear 203 and the rack 204 can realize the translation of the connecting shaft 202, so that the movable block 207 drives the second pedal 102 to move as a whole, so that the first pedal 101 and the second pedal 102 are in the shape of stairs, and at the same time, the fixation of the screw rod 205 by the nut 206 can make the second pedal 102 be in the expected position, thereby meeting the requirement of the horizontal state, and thus the second pedal 102 can be fixed for getting on and off the vehicle, and vice versa for reset, so as to adapt to a variety of environments.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A foldable double-layer aluminum alloy step for RV doors. It is characterized in that include: A stepping unit (100), comprising a first pedal (101) and a second pedal (102), wherein the first pedal (101) and the second pedal (102) are arranged alternately; The mobile unit (200) comprises two groups of connection blocks (201) located at the bottom of both sides of the first pedal (101), the two groups of connection blocks (201) are provided with movable grooves (213) running through both sides, each movable groove (213) is slidably connected with a corresponding connection shaft (202), a screw rod (205) is welded to one end of the two connection shafts (202) close to the inner side of the connection block (201), a nut (206) is threadedly connected to one end of the screw rod (205), the nut (206) is abutted against the side wall of the connection block (201), and a movable block (207) is rotatably sleeved on one end of the connection shaft (202) away from the connection block (201), and the movable block (207) is rotatably sleeved on one end of the connection shaft (202) away from the connection block (201), and the movable block (207) is rotatably sleeved on the one end of the connection shaft (202) away from the connection block (201), and the movable block (207) is rotatably sleeved on the one end of the connection shaft (202) away from the connection block (201). 7) A fixed block (208) adapted thereto is provided at the bottom, and sockets (209) are provided at both the upper and lower ends of the fixed block (208), and a connecting hole (210) corresponding to the socket (209) is provided at the lower part of the movable block (207), and a corresponding latch (211) is inserted into the connecting hole (210), and the mobile unit (200) further comprises a lifting assembly (212) for lifting the first pedal (101), and a rack (204) is fixedly connected to the middle position of the top of the inner cavity of the connecting block (201), and a movable gear (203) is fixedly connected to the outer wall of the connecting shaft (202), and the movable gear (203) is meshed with the rack (204).

2. According to claim 1, an aluminum alloy folding double-layer boarding step for a motorhome door, Features: The first pedal (101) and the second pedal (102) are made of the same material and have the same size, and both the first pedal (101) and the second pedal (102) are made of aluminum alloy.

3. The aluminum alloy foldable double-layer boarding step for a motorhome door according to claim 1, Features: The materials of the connecting block (201), the movable block (207), the fixed block (208) and the latch (211) are all aluminum alloy materials.

4. The aluminum alloy foldable double-layer boarding step for a motorhome door according to claim 1, Features: The lifting assembly (212) comprises four lifting holes (2121) provided at the top corners of the first pedal (101); the inner walls of the four lifting holes (2121) are provided with thread grooves (2122); the interiors of the four thread grooves (2122) are threadedly connected with half-step screws (2123) adapted to the lifting holes (2121); the lower end of each half-step screw (2123) is connected to the connecting block (201) via a corresponding rotating block (2124).

5. The aluminum alloy foldable double-layer boarding step for a motorhome door according to claim 1, Features: The number of the racks (204) and the number of the movable gears (203) are both two.

6. The aluminum alloy foldable double-layer boarding step for a motorhome door according to claim 1, Features: One end of the fixed block (208) away from the movable block (207) is fixedly connected to one side of the second pedal (102), one end of the movable block (207) is in a "U" shape, and one end of the fixed block (208) is in a "T" shape.

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