CN113147604A

CN113147604A - Concealed stepping device

Info

Publication number: CN113147604A
Application number: CN202110587537.2A
Authority: CN
Inventors: 龚赪; 张琪维; 刘小明; 童朝阳
Original assignee: Dongfeng Commercial Vehicle Co Ltd
Current assignee: Dongfeng Commercial Vehicle Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-07-23

Abstract

The invention relates to the technical field of vehicles, in particular to a hidden type stepping device, which comprises: a guide rail bracket (1) and a pedal frame (2); one end of the guide rail bracket (1) is fixedly arranged on the upper loading compartment 4 and/or the frame (6); the pedal frame (2) is slidably arranged on the guide rail frame (1); when the pedal frame (2) is folded, the pedal frame (2) is completely accommodated in the guide rail frame (1); when the pedaling frame (2) is unfolded, one end of the pedaling frame (2) is hinged to the other end of the guide rail frame (1), and the other end of the pedaling frame (2) is vertical to the lower part of the guide rail frame (1). The invention can be installed in a plurality of places without being limited by the vehicle body structure under the condition of not influencing the vehicle body structure, and has simple structure, less occupied area and high space utilization rate.

Description

Concealed stepping device

Technical Field

The invention relates to the technical field of vehicles, in particular to a hidden type stepping device.

Background

As the number of parts of the chassis of the automobile increases, there are many times when work is required on the upper part of the chassis. Meanwhile, with the increase of special vehicles, the probability of working on the side and the rear part of the vehicle is increased, and the getting-on step device is necessary in order to conveniently work in the upper space of the vehicle at any time and any place. However, the conventional boarding step device may require a change in the structure of the chassis member and is limited by the structure of the vehicle body, and the installation position may be limited, which may affect the convenience of boarding.

The applicant discloses for a car liberation car limited company, the chinese utility model patent that application number is CN201821211372.9, a pull can overturn and step on a car ladder assembly, will influence the problem that whole car outer width exceeds the regulation size to current step on a car ladder, this pull can overturn and step on a car ladder assembly, include: the device comprises a guide rail frame 1, a sliding frame 2, a pedal frame 3, a spring bolt limiting mechanism 4 and a working platform plate 5. The guide rail frame 1 comprises two guide rails 11 arranged in parallel, a connecting support I12, a connecting support II 13, a tail transverse pull plate 14, a middle transverse pull plate 15, a front transverse pull plate 16 and a limiting bolt 18; the connecting support I12 and the connecting support II 13 are fixed on the guide rail 11 through bolts, the connecting support I12 and the connecting support II 13 are used for being connected with a frame, the tail transverse pulling plate 14, the three middle transverse pulling plates 15 and the front transverse pulling plate 16 are respectively fixed on the two parallel guide rails 11 through bolts to form a rectangular frame, the limiting bolts 18 are installed on the guide rail, and the working platform plate 5 is directly installed on the three middle transverse pulling plates 15 of the guide rail frame 1 through the connecting bolts. The sliding frame 2 comprises two parallel groove-shaped sliding blocks 21, a pedal frame limiting plate 22, a drawing limiting plate 23, a hinge shaft sleeve 24 and a nylon bush 25; the groove-shaped slide block 21 can be slidably arranged in the guide rail frame 1; the pedal frame limiting plate 22 is fixedly connected with the two groove-shaped sliding blocks 21 through bolts, the inner sides of the two groove-shaped sliding blocks 21 are welded with drawing limiting plates 23, the front end of the sliding frame 2 is welded with two hinge shaft sleeves 24, and nylon bushings 25 are embedded in the hinge shaft sleeves 24; the pedal frame 3 comprises two support pipes 32 which are arranged in parallel, a two-stage pedal 33, a hinge shaft 31, an anti-drawing limiting plate 34 and a handle 37 for drawing out the pedal frame; the two-stage pedaling pedals 33 are respectively welded at the bottom and the middle of the support pipe 32 to form a rectangular frame, the hinge shaft 31 is welded at the top of the support pipe 32, and the hinge shaft 31 is installed in the hinge shaft sleeve 24, so that the pedaling frame 3 can turn around the hinge shaft sleeve 24; an anti-extraction limiting plate 34 is welded at the right side of the supporting tube 32; a handle 37 for pulling out the kick-up frame is fixed to the front end of the kick-up pedal 33 welded to the bottom of the support pipe 32. The spring bolt limiting mechanism 4 is arranged on the guide rail 11, and the spring bolt limiting mechanism 4 comprises a supporting bracket 42, a bolt 41, a bolt head 43 and a spring 44; the bolt 41 is inserted on the supporting bracket 42 in a rotatable manner, the spring 44 is sleeved on the bolt 41, the bolt head 43 is screwed on the bolt 41, wherein the bolt 41 can be respectively matched with the anti-extraction limiting plate 34 and the extraction limiting plate 23 on the supporting bracket 42 to realize the limiting function during the retraction and extraction rotation. The pedal frame 3 further comprises a strap bracket 35 and an articulated strap 36; the guide rail bracket 1 also comprises a hoop belt clamp 17; the hoop clamp 17 is installed at the right front end of the guide rail frame 1, the hoop support 35 is welded at the left front end of the support pipe 32, the hoop support 35 is hinged with the hoop 36, and the hoop 36 is clamped on the hoop clamp 17 when the pedaling ladder is retracted, so that the pedaling frame 3 is prevented from swinging. The guide rail frame 1 further comprises a longitudinal limiting plate 19 and a lateral limiting plate 121, and the longitudinal limiting plate 19 and the lateral limiting plate 121 are installed on the inner side of the guide rail frame 1 through bolts; a through hole is arranged in the middle of the longitudinal limiting plate 19; the carriage 2 further comprises a limit cushion support 26 and a limit cushion 27; two limit cushion supports 26 are fixed at the tail of the sliding frame 2, and limit cushions 27 are fixed on the limit cushion supports 26 through bolts. The limit cushion 27 is matched with a through hole inserted into the middle of the longitudinal limit plate 19 to realize longitudinal limit. The lateral limiting plate 121 is matched with the groove-shaped sliding block 21 to realize lateral limiting. The bottom of the pedal plate 33 welded on the bottom of the support tube 32 is provided with a shockproof soft pad 38, and the shockproof soft pad 38 is contacted with the front transverse pulling plate 16 for limiting and playing the role of shockproof.

Although the drawing, folding and overturning design of the drawing and overturning type pedaling ladder assembly realizes the characteristic of smaller appearance, the thickness of the drawing and overturning type pedaling ladder assembly is 70mm after the drawing and overturning type pedaling ladder assembly is folded and collected, and the installation space is greatly saved; the spring bolt limiting mechanism is skillfully applied, so that the spring bolt limiting mechanism can play different limiting functions when the car stepping ladder is retracted and in a working state; the man-machine engineering elements are fully considered, but the pedaling ladder needs more manufacturing processes and has higher labor cost. And the operation is more complicated, influences the convenience of use, and the side direction needs the size great, also has certain influence on suitability and installation convenience.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a hidden type stepping device which can be installed in a plurality of places without being limited by a vehicle body structure under the condition of not influencing the vehicle body structure, and has the advantages of simple structure, less occupied area and high space utilization rate.

In order to achieve the above technical object, the present invention provides a hidden stepping device, comprising: a guide rail frame and a pedal frame;

one end of the guide rail frame is fixedly arranged on the upper loading compartment and/or the frame;

the pedaling frame is slidably mounted on the guide rail frame;

when the pedal frame is folded, the pedal frame is completely accommodated in the guide rail frame;

when the pedal frame is unfolded, one end of the pedal frame is hinged to the other end of the guide rail frame, and the other end of the pedal frame is vertical to the lower part of the guide rail frame.

Further, still include: a spring bolt limiting mechanism;

when the pedal frame is folded, the pedal frame is fixedly accommodated in the guide rail frame through the spring bolt limiting mechanism.

More closely, the rail bracket includes: the connecting bracket and the two guide rails are arranged in parallel;

one end of each of the two guide rails is fixedly arranged at the two ends of the connecting bracket respectively;

the connecting bracket is fixedly arranged on the upper loading compartment and/or the frame;

the opposite inner sides of the two guide rails are both of an internal hollow structure;

one end of the pedaling frame is arranged in the opposite inner sides of the two guide rails and can slide along the inner sides of the two guide rails.

Still further, the guide rail frame still includes:

and the supporting bracket is arranged at the other ends of the two tracks and used for limiting the pedaling frame.

Still further, the kicking frame includes: a hinged shaft and two support tubes arranged in parallel;

one end of each of the two supporting tubes is fixedly arranged at the two ends of the hinge shaft;

the hinged shaft is positioned at one end of the pedal frame, and two ends of the hinged shaft are respectively installed in the opposite inner sides of the two guide rails;

the articulated shaft can drive the supporting pipe to slide along the inner sides of the two guide rails;

the length and the width of the pedaling frame are respectively smaller than those of the guide rail frame;

when the pedal frame is folded, the articulated shaft is abutted against the connecting bracket, and the two supporting tubes are respectively abutted against the inner sides of the corresponding guide rails.

Still further, the kicking frame still includes: two-stage pedaling and treading;

the first-stage pedaling beam is fixedly arranged in the middle of the two supporting tubes, and the other-stage pedaling beam is fixedly arranged at the other end of the two supporting tubes;

when the pedal frame is unfolded, two ends of the articulated shaft are positioned in the other ends of the two guide rails; the two-stage pedaling beam is positioned below the other end of the guide rail frame; one end of each supporting tube is propped against the supporting bracket.

Preferably, two ends of the hinge shaft are fixedly provided with a limiting bracket;

when the pedaling frame slides or retracts on the guide rail frame, the limiting bracket is positioned in the inner sides of the two guide rails and is not contacted with the two guide rails;

when the pedal frame is unfolded, the limiting bracket is positioned in the other ends of the two guide rails and is propped against the inner walls of the guide rails.

In the technical scheme, a limiting plate is fixedly arranged on the pedal beam of the other-stage pedaling;

when the pedal frame is folded, the spring bolt limiting mechanism is locked with the limiting plate, so that the pedal frame is fixed in the guide rail frame.

In the above technical solution, the method further comprises: fixing a bracket;

one end of the guide rail frame is fixedly arranged on the upper loading compartment and/or the frame through a fixed support.

In the above technical solution, the method further comprises: adjusting the bracket;

one end of the guide rail frame is fixedly arranged on the frame through the adjusting bracket, so that the installation position of the guide rail frame on the frame can be changed.

The invention has the advantages of convenient production, low cost and convenient use by adjusting the structure. When the bicycle needs to be pedaled, the pedaled bicycle frame is unfolded; when not in use, the pedal frame is folded. The invention can be arranged at any position on the chassis frame, can utilize the narrow space between the upper garment and the chassis piece, has higher space utilization rate and has no limitation. For the upper garment with the pedaling requirement, the upper garment can be mounted at the bottom of an upper loading compartment, the side edge and the rear part of the upper loading compartment can be both, the mounting is simple, and the operation is convenient. Different integral installation modes can be selected according to specific situations. The fixed installation can adopt bolt connection or riveting; the adjustable installation adopts the connection of adjustment support, can realize the fixed of frame different positions, also can realize the fixed of variable cross section frame different positions through the change of adjustment support.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an expanded state of an embodiment of the present invention;

FIG. 2 is a schematic view of a retracted state according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a rail bracket according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the pedal frame according to the embodiment of the present invention;

FIG. 5 is a partially enlarged view of the step-down frame stopper structure according to the embodiment of the present invention;

FIG. 6 is a schematic view of an embodiment of the present invention in a fixed arrangement in the rear of the upper cargo bed;

FIG. 7 is a schematic view of a fixed frame mounting arrangement according to an embodiment of the present invention;

FIG. 8 is a schematic view of a fixed mount configuration in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of an embodiment of the present invention with adjustable mounting to a vehicle frame;

FIG. 10 is a schematic diagram of a fixing member with adjustable installation according to an embodiment of the present invention.

The device comprises a guide rail frame 1, a pedaling frame 2, a spring bolt limiting mechanism 3, an upper loading compartment 4, a vehicle body assembly 5, a vehicle frame 6, an adjusting bracket 7, a fixing bracket 8, a connecting bracket 11, a guide rail 12, a supporting bracket 13, a hinge shaft 21, a limiting bracket 22, a supporting pipe 23, a pedaling beam 24 and a limiting plate 25.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to specific embodiments.

As shown in fig. 1 and 2, the hidden stepping device of the present embodiment includes: a guide rail frame 1 and a pedal frame 2;

one end of the guide rail frame 1 is fixedly arranged on the upper loading compartment 4 and/or the frame 6;

the pedal frame 2 is slidably mounted on the guide rail frame 1;

when the pedal frame 2 is folded, the pedal frame 2 is completely accommodated in the guide rail frame 1;

when the pedal frame 2 is unfolded, one end of the pedal frame 2 is hinged to the other end of the guide rail frame 1, and the other end of the pedal frame 2 is vertical to the lower part of the guide rail frame 1.

The hidden step apparatus of the present embodiment can be installed at any position on the chassis frame 6, as shown in fig. 6 and 7, at the rear of the upper cargo compartment 4, or on the frame 6. Of course, a plurality of hidden stepping devices can be carried on the installed vehicle body as the case may be.

This embodiment hidden stepping device still includes: a spring bolt limiting mechanism 3;

when the pedal frame 2 is folded, the pedal frame 2 is fixedly accommodated in the guide rail frame 1 through the spring bolt limiting mechanism 3.

In this embodiment, the spring bolt limiting mechanism 3 is composed of a bolt, a spring, a round handle and a limiting rod. The round handle is convenient for a user to pull out and pull in the spring bolt limiting mechanism 3. The bolt is provided with a spring, one end of the spring is fixed at one end of the bolt, and the other end of the spring is fixed on the guide rail frame 1. When the spring bolt limiting mechanism 3 is pulled out, the spring is compressed, and when the spring bolt limiting mechanism 3 is pulled in, the spring is extended.

When the spring bolt limiting mechanism 3 is pulled out, the spring bolt limiting mechanism 3 does not limit the pedaling frame 2, the pedaling frame 2 is unfolded, one end of the pedaling frame 2 is hinged to the other end of the guide rail frame 1, and the other end of the pedaling frame 2 is vertical to the lower part of the guide rail frame 1; when the spring bolt limiting mechanism 3 is pulled in, the spring bolt limiting mechanism 3 limits the pedaling frame 2, the pedaling frame 2 is folded, and the pedaling frame 2 is completely accommodated in the guide rail frame 1.

As shown in fig. 3, the rail frame 1 includes: a connecting bracket 11 and two parallel guide rails 12;

one end of each of the two guide rails 12 is fixedly installed at the two ends of the connecting bracket 11;

the connecting bracket 11 is fixedly arranged on the upper loading compartment 4 and/or the frame 6;

the opposite inner sides of the two guide rails 12 are both of an internal hollow structure;

one end of the kick frame 2 is arranged in the opposite inner sides of the two guide rails 12 and can slide along the inner sides of the two guide rails 12.

The embodiment is structurally adjusted, is convenient to produce, and has low cost and convenient use. When the bicycle needs to be pedaled, the pedaled bicycle frame is unfolded; when not in use, the pedal frame is folded. The invention can be arranged at any position on the chassis frame 6, can utilize the narrow space between the upper garment and the chassis piece, has higher space utilization rate and has no limitation. For the upper garment with the pedaling requirement, the upper garment can be arranged at the bottom of the upper cargo compartment 4, the side edge and the rear part of the upper cargo compartment can be both arranged, the installation is simple, and the operation is convenient. Different integral installation modes can be selected according to specific situations. The fixed installation can adopt bolt connection or riveting; the adjustable installation adopts the connection of adjustment support, can realize the fixed of frame 6 different positions, also can realize the fixed of variable cross section frame 6 different positions through the change of adjustment support.

The guide rail frame 1 further comprises:

and the supporting bracket 13 is arranged at the other end of the two tracks and used for limiting the pedaling frame 2.

In the present embodiment, the kicker frame 2 is slidably provided in the rail frame 1, and the kicker frame 2 is tiltable about the hinge shaft 21. The guide rail frame 1 comprises a connecting support 11, two guide rails 12 arranged in parallel and a connecting support 13, wherein the connecting support 13 comprises a limiting through hole for installing the spring bolt limiting mechanism 3. The connecting bracket and the guide rail can be fixed by welding, bolt connection and other modes.

The spring bolt limiting mechanism 3 consists of a bolt, a spring, a round handle and a limiting rod. One end of the bolt penetrates through the limiting through hole, and the other end of the bolt is fixedly connected with the circular handle. The round handle is convenient for a user to pull out and pull in the spring bolt limiting mechanism 3. The bolt is provided with a spring, one end of the spring is fixed at one end of the bolt, and the other end of the spring is fixed at the inner side of the support bracket 13 and corresponds to the limiting through hole. When the spring bolt limiting mechanism 3 is pulled out, the spring is compressed, and when the spring bolt limiting mechanism 3 is pulled in, the spring is extended.

As shown in fig. 4, the kicking frame 2 includes: a hinge shaft 21 and two support tubes 23 arranged in parallel;

one end of the two support pipes 23 is fixedly arranged at two ends of the hinge shaft 21;

the articulated shaft 21 is positioned at one end of the pedal frame 2, and two ends of the articulated shaft 21 are respectively installed in the opposite inner sides of the two guide rails 12;

the articulated shaft 21 can drive the supporting tube 23 to slide along the inner sides of the two guide rails 12;

the length and the width of the pedal frame 2 are respectively smaller than those of the guide rail frame 1;

when the pedal frame 2 is retracted, the articulated shaft 21 abuts against the connecting bracket 11, and the two support pipes 23 abut against the inner sides of the corresponding guide rails 12, respectively.

As shown in fig. 4, the kicking frame 2 further includes: a two-stage pedaling beam 24;

one of the two support tubes 23 is fixedly provided with a first-stage pedaling beam 24, and the other supporting tube 23 is fixedly provided with the other end of the second-stage pedaling beam 24;

when the pedal frame 2 is unfolded, two ends of the articulated shaft 21 are positioned in the other ends of the two guide rails 12; the two-stage pedaling beam 24 is positioned below the other end of the guide rail frame 1; one end of the two support tubes 23 abuts against the support bracket 13.

As shown in fig. 5, a limiting bracket 22 is fixedly arranged at both ends of the hinge shaft 21;

when the pedal frame 2 slides or retracts on the guide rail frame 1, the limiting bracket 22 is positioned in the inner sides of the two guide rails 12 and is not contacted with the two guide rails 12;

when the kickstand 2 is unfolded, the limit bracket 22 is positioned in the other end of the two guide rails 12 and abuts against the inner wall of the guide rails 12.

As shown in fig. 4, a stopper plate 25 is fixedly provided on the pedal beam 24 of the other step of pedaling;

when the pedaling frame 2 is folded, the spring bolt limiting mechanism 3 is locked with the limiting plate 25, and the spring bolt limiting mechanism 3 limits the movement of the pedaling frame 2 so that the pedaling frame 2 is fixed in the guide rail frame 1.

In this embodiment, the pedaling frame 2 comprises a hinge shaft 21, two limiting brackets 22, two supporting pipes 23 arranged in parallel, two-stage pedaling beams 24 and a limiting plate 25. The hinge shaft 21 and the limit bracket 22 are connected by welding, and the limit bracket 22 is positioned in the corresponding guide rail 12. The hinge shaft 21 and the support tube 23 are connected by welding. The connection positions of the support tube 23, the pedal beam 24, and the stopper plate 25 may be fixed by welding, bolting, or the like. The position of the limit plate 25 is positioned right above the limit through hole of the connecting bracket 13 and is used for fixing the spring bolt limit mechanism 3 when the pedal frame 2 is closed.

As shown in fig. 1, 4 and 5, when the kickstand 2 is unfolded, the limit bracket 22 is positioned in the other end of the two guide rails 12 and abuts against the inner wall of the guide rails 12; and, one ends of the two support pipes 23 and the support bracket 13 abut against each other. Therefore, the embodiment performs double limiting by means of the limiting bracket 22 and the connecting bracket 13, so that the influence caused by manufacturing errors can be reduced, and the connection between the pedal frame 2 and the guide rail frame 1 is more stable when the pedal frame is unfolded (pulled out), so that a user can more stably step on the hidden type step device.

As shown in fig. 1, when the pedal frame 2 is unfolded, the limit rod of the spring bolt limit mechanism 3 is parallel to the connecting bracket 13, so that the sliding process of the pedal frame 2 on the guide rail frame 1 is not affected, and the hinge shaft 21 is convenient to slide to the other ends of the two guide rails 12, so that the pedal frame 2 is completely unfolded.

As shown in fig. 2, when the pedaling frame 2 is retracted, the spring bolt limiting mechanism 3 is drawn out and rotated by the circular handle, so that the limiting rod of the spring bolt limiting mechanism 3 is perpendicular to the connecting bracket 13 and fixed on the limiting plate 25, and the connecting bracket 13 is fixedly connected with the pedaling beam 24 of the other-stage pedaling frame, so that the pedaling frame 2 is limited, the swinging of the pedaling frame 2 is prevented, the noise is avoided, and the popping-out of the pedaling frame in the driving process is avoided.

The spring bolt limiting mechanism 3 is simple in structure and does not occupy redundant space. Because the spring is fixed on the connecting bracket 13, the spring bolt limiting mechanism 3 cannot fall off and be lost in the vehicle running process.

As shown in fig. 6 and 7, the hidden stepping device of the present embodiment further includes: a fixed bracket 8;

one end of the guide rail frame 1 is fixedly arranged on the upper loading compartment 4 and/or the vehicle frame (6)6 through a fixed bracket 8.

The fixed support 8 is an angle iron, and two ends of the guide rail frame 1 are respectively welded with one surface of one fixed support 8; the other end of each fixed bracket 8 is fixedly connected to the upper cargo box 4 and/or the frame 6 by bolts and nuts.

As shown in fig. 8, the hidden stepping apparatus of the present embodiment further includes: adjusting the bracket 7;

one end of the guide rail bracket 1 is fixedly arranged on the vehicle frame 6 through an adjusting bracket 7, so that the installation position of the guide rail bracket 1 on the vehicle frame 6 can be changed.

As shown in fig. 6 to 8, the present embodiment is fixedly installed at the rear of the upper cargo box 4 or at the side of the frame 6. When the pedal car guide rail frame is arranged at the rear part or the side surface of the upper loading carriage, the pedal car guide rail frame 1 is welded with the fixed bracket 8, and then the pedal car guide rail frame is fixed on the reinforcing beam of the upper loading carriage 4 in a hoisting mode; when the pedal car guide rail frame is arranged on the side surface of the car frame 6, the pedal car guide rail frame 1 is welded with the fixed support 8, and then the pedal car guide rail frame is fixed with the car frame 6 in a side surface bolt mode.

As shown in fig. 9 and 10, the present embodiment is adjustably mounted on the vehicle body frame 6. The adjusting bracket 7 is U-shaped, through holes which can be penetrated by bolts are arranged at two ends of the adjusting bracket, and the bottom of the adjusting bracket is fixedly welded with the guide rail frame 1. One end of each bolt penetrating through two ends of the adjusting bracket 7 is fixed with the adjusting bracket 7 through a nut, and the other end of each bolt is fixedly provided with a sucker. The sucker can enable the hidden stepping device to slide on the frame 6, and the position of the hidden stepping device can be adjusted at will.

In other embodiments, screw holes may be formed along the upper and lower edges of the frame 6. The position of each screw hole corresponds to the through hole on the adjusting bracket 7. The adjusting bracket 7 can be fixedly connected with the frame 6 through bolts and nuts. When the position of the hidden stepping device needs to be adjusted, the bolt and the nut are detached, and the hidden stepping device is screwed again along the frame 6 to the position of the next pair of screw holes.

In the installation process, the pedaling guide rail frame 1 is welded with the adjusting bracket 7, and then the pedaling frame is movably arranged on the frame 6 through the fastening sucker on the adjusting bracket 7. And for different sections of the frame 6, only the size of the bracket 7 needs to be changed. For the frame 6 with the variable cross section, the connection form between the adjusting bracket 7 and the pedaling guide rail frame 1 can be changed into bolt fixation, and for different positions of the frame 6, the adjusting bracket 7 can be replaced.

As shown in fig. 6 to 9, the rail bracket 1 is installed above the body component 5, and when the kicking frame 2 is unfolded and the kicking frame 2 bears the gravity, the rail bracket 1 can be in contact with the body component 5, so that the body component 5 can share a part of the gravity, thereby further ensuring the stability of the hidden stepping device.

This embodiment simple structure, the feasibility of implementation is high, convenient operation, and space utilization is higher, does not influence functions such as whole car size, maintenance and filling, the high altitude construction of being convenient for. The embodiment can be applied to various positions, and different integral installation modes can be selected according to specific situations. The fixed installation can adopt bolt connection or riveting; the adjustable installation adopts the connection of adjustment support, can realize the fixed of frame 6 different positions, also can realize the fixed of variable cross section frame 6 different positions through the change of adjustment support. The operation platform can be additionally arranged on the chassis according to the condition; the pedal type pedal device is installed in an upper loading compartment or other positions with pedaling requirements, is small in installation limitation and is easy to realize.

It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.

The foregoing description of the embodiments and specific examples of the invention have been presented for purposes of illustration and description; it is not intended to be the only form in which the embodiments of the invention may be practiced or utilized. The embodiments are intended to cover the features of the various embodiments as well as the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and step sequences.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A hidden stepping device, comprising: a guide rail bracket (1) and a pedal frame (2);

one end of the guide rail bracket (1) is fixedly arranged on the upper loading compartment (4) and/or the frame (6);

the pedal frame (2) is slidably arranged on the guide rail frame (1);

when the pedal frame (2) is folded, the pedal frame (2) is completely accommodated in the guide rail frame (1);

when the pedaling frame (2) is unfolded, one end of the pedaling frame (2) is hinged to the other end of the guide rail frame (1), and the other end of the pedaling frame (2) is vertical to the lower part of the guide rail frame (1).

2. The hidden stepping device of claim 1, further comprising: a spring bolt limiting mechanism (3);

when the pedal frame (2) is folded, the pedal frame (2) is fixedly accommodated in the guide rail frame (1) through the spring bolt limiting mechanism (3).

3. The hidden stepping device of claim 1, wherein the track frame (1) comprises: a connecting bracket (11) and two parallel guide rails (12);

one end of each of the two guide rails (12) is fixedly arranged at the two ends of the connecting bracket (11) respectively;

the connecting bracket (11) is fixedly arranged on the upper loading compartment 4 and/or the frame (6);

the opposite inner sides of the two guide rails (12) are both of an internal hollow structure;

one end of the pedal frame (2) is arranged in the opposite inner sides of the two guide rails (12) and can slide along the inner sides of the two guide rails (12).

4. The hidden stepping device of claim 3, wherein the track frame (1) further comprises:

and the supporting bracket (13) is arranged at the other end of the two tracks and is used for limiting the pedaling frame (2).

5. The hidden stepping device of claim 4, wherein the stepping frame (2) comprises: a hinged shaft (21) and two support pipes (23) arranged in parallel;

one end of each of the two support pipes (23) is fixedly arranged at the two ends of the articulated shaft (21);

the articulated shaft (21) is positioned at one end of the pedal frame (2), and two ends of the articulated shaft (21) are respectively installed in the opposite inner sides of the two guide rails (12);

the articulated shaft (21) can drive the supporting tube (23) to slide along the inner sides of the two guide rails (12);

the length and the width of the pedal frame (2) are respectively smaller than those of the guide rail frame (1);

when the pedal frame (2) is folded, the articulated shaft (21) is abutted against the connecting bracket (11), and the two supporting pipes (23) are respectively abutted against the inner sides of the corresponding guide rails (12).

6. The hidden stepping device of claim 5, wherein the stepping frame (2) further comprises: a two-stage pedaling beam (24);

one of the two support pipes (23) is fixedly provided with a first-stage pedaling beam (24), and the other one of the two support pipes (23) is fixedly provided with a second-stage pedaling beam (24);

when the pedal frame (2) is unfolded, two ends of the articulated shaft (21) are positioned in the other ends of the two guide rails (12); the two-stage pedaling beam (24) is positioned below the other end of the guide rail bracket (1); one end of each of the two support tubes (23) is abutted against the support bracket (13).

7. The hidden stepping device as claimed in claim 6, wherein a limit bracket (22) is fixedly arranged at both ends of the hinged shaft (21);

when the pedaling frame (2) slides or is folded on the guide rail frame (1), the limiting bracket (22) is positioned in the inner sides of the two guide rails (12) and is not contacted with the two guide rails (12);

when the pedal frame (2) is unfolded, the limiting bracket (22) is positioned in the other ends of the two guide rails (12) and is propped against the inner walls of the guide rails (12).

8. The hidden stepping device of claim 6, wherein a stop plate (25) is fixedly arranged on the stepping beam (24) of the other stepping stage;

when the pedal frame (2) is folded, the spring bolt limiting mechanism (3) is locked with the limiting plate (25), so that the pedal frame (2) is fixed in the guide rail frame (1).

9. The hidden stepping device of claim 1, further comprising: a fixed bracket (8);

one end of the guide rail bracket (1) is fixedly arranged on the upper loading compartment 4 and/or the frame (6) through a fixing bracket (8).

10. The hidden stepping device of claim 1, further comprising: an adjusting bracket (7);

one end of the guide rail frame (1) is fixedly arranged on the vehicle frame (6) through an adjusting bracket (7), so that the installation position of the guide rail frame (1) on the vehicle frame (6) can be changed.