Aluminum profile getting-on step structure

Abstract

The utility model discloses an aluminum profile getting-on step structure. The aluminum profile getting-on step structure comprises a mounting seat and a pedal which are manufactured by adopting a profile extrusion process, the mounting base comprises a bottom plate and side plates, the two side plates are integrally connected to the two sides of the bottom plate, and a first mounting hole is formed in one side of each side plate; a through hole is formed in one side of the pedal, a fixing shaft is arranged in the through hole, the end of the fixing shaft is fixedly connected into the first mounting hole through a pin shaft, and the pedal rotates around the fixing shaft; a male buckle is fixed on the mounting seat, a female buckle clamped with the male buckle is arranged on the pedal, and a lightening hole is formed in one side of the pedal; the aluminum profile getting-on step manufactured by adopting a profile extrusion process instead of an original casting process is better in quality, and the mounting seat and the pedal can be folded, so that the occupied space is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to an aluminum profile vehicle-boarding step structure. BACKGROUND

[0002] The heavy-duty vehicle cab is high from the ground, and a vehicle-boarding step is generally arranged for the convenience of passengers.

[0003] The prior art CN215322276U discloses a vehicle-boarding pedal assembly and a vehicle, which comprises a pedal body, a pedal front sealing plate and a pedal rear sealing plate, the pedal front sealing plate and the pedal rear sealing plate are connected with the opposite ends of the pedal body, the pedal body, the pedal front sealing plate and the pedal rear sealing plate are made of aluminum alloy sheet, the disclosed vehicle-boarding pedal assembly can meet the requirement of vehicle lightening, but it is a fixed part and occupies a large space; and the aluminum profile vehicle-boarding step structure used in the prior art is mostly a cast aluminum alloy fixed part, which is assembled by post-processing, and the aluminum alloy casting process is prone to defects such as pores and inclusions, the pass rate of finished products is low, the processing allowance is large, the cost of the mold is high, the cost is increased, and the aluminum alloy casting process is prone to hidden problems such as shrinkage, which greatly affects the quality; therefore, there is an urgent need for an aluminum profile vehicle-boarding step structure with small space occupation, low manufacturing cost and better quality. SUMMARY

[0004] The utility model aims at providing an aluminum profile vehicle-boarding step structure, which is manufactured by using a profile extrusion process instead of a casting process, and has better quality, and the mounting seat and the pedal can be folded, thus occupying a small space.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An aluminum profile vehicle-boarding step structure, comprising a mounting seat and a pedal manufactured by using a profile extrusion process;

[0007] The mounting seat comprises a bottom plate and side plates, the two side plates are integrally connected to the two sides of the bottom plate, and the side plates are provided with first mounting holes on one side;

[0008] The pedal is provided with a through hole on one side, a fixed shaft is arranged in the through hole, the fixed shaft penetrates through the through hole, the end of the fixed shaft is fixedly connected to the first mounting hole through a pin shaft, and the pedal rotates around the fixed shaft;

[0009] The mounting seat is fixedly provided with a male buckle, and the pedal is provided with a female buckle matched with the male buckle;

[0010] The pedal is provided with a weight-reducing hole on one side.

[0011] Preferably, a plurality of second mounting holes for fixing are arranged on the mounting seat.

[0012] Preferably, the side plate is in the shape of a right-angled trapezoid, and the first mounting hole is arranged on the right-angled side of the side plate.

[0013] Preferably, one end of the pin shaft is fixedly connected with the mounting seat through screw threads, and the other end of the pin shaft is in the shape of a cone, and the fixing shaft is provided with a groove for matching the conical structure of the pin shaft.

[0014] Preferably, a plurality of anti-skid grooves parallel to the fixing shaft are arranged on the upper surface of the pedal.

[0015] Preferably, a through hole is arranged on the pedal and extends from the upper surface to the lower surface.

[0016] Preferably, the female buckle is a ring-shaped clasp spring with an opening, the clasp spring is arranged in the through hole, the clasp spring is fixedly connected with the pedal on both sides, the clasp spring is bent on the side opposite to the opening and forms a bending structure in the direction of the opening, and the bending structure has an arc-shaped opening.

[0017] The male buckle comprises a male buckle seat and a buckle tongue, the male buckle seat is connected with the mounting seat through screw threads, the buckle tongue comprises a head and a neck which are integrally connected, one end of the neck is integrally connected with the male buckle seat, the cross-sectional dimension of the head is larger than that of the neck, the cross-sectional dimension of the head is larger than the dimension of the arc-shaped opening, and the cross-sectional dimension of the neck is equal to or smaller than the dimension of the arc-shaped opening.

[0018] The buckle tongue is inserted into the opening and pushes the spring sheet to both sides, and the buckle tongue is locked after the head completely passes through.

[0019] Preferably, a damping gasket is arranged between the pedal and the side plate, and the damping gasket is sleeved on the fixing shaft.

[0020] Preferably, the mounting seat and the pedal are made of aluminum alloy.

[0021] The aluminum profile upper vehicle step structure has the following technical effects: the mounting seat and the pedal manufactured by the profile extrusion process can be once formed into the shape of the aluminum profile upper vehicle step structure, the outer surface does not need to be further processed, the original casting forming process is simpler, the forming efficiency is high, the cost is low, the profile extrusion process does not have hidden problems such as pores, inclusions, external defects and shrinkage, the product has a high qualified rate and better quality, the pedal is rotatably connected with the fixing shaft, the pedal is foldable, the space occupation is reduced, the pedal can be stepped on by the foot when needed, and the aluminum profile upper vehicle step structure is simple and practical. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following only constitute some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the drawings.

[0023] Fig. 1 The present application is a whole structure schematic diagram of an aluminum profile upper vehicle step structure.

[0024] Fig. 2 The present application is a mounting seat structure schematic diagram.

[0025] Fig. 3 The present application is a pedal structure schematic diagram.

[0026] Fig. 4 The present application is a female buckle structure schematic diagram.

[0027] Fig. 5 The present application is a male buckle structure schematic diagram.

[0028] Fig. 6 The present application is a pin shaft and fixed shaft structure schematic diagram.

[0029] Specifically, 1 is a mounting seat, 11 is a bottom plate, 12 is a side plate, 13 is a first mounting hole, 14 is a second mounting hole, 15 is a male buckle, 151 is a male buckle seat, 152 is a neck portion, 153 is a head portion, 2 is a pedal, 21 is a through hole, 22 is a fixed shaft, 23 is a weight reduction hole, 24 is an anti-skid groove, 25 is a through hole, 26 is a pin shaft, 27 is a groove, 28 is a damping gasket, 29 is a female buckle, 291 is an opening, and 292 is an arc-shaped opening. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in combination with the drawings and specific embodiments.

[0032] Embodiment 1

[0033] As Figs. 1-3The utility model discloses an aluminum profile upper vehicle step structure, including the mounting seat 1 and the pedal 2 of adopting the profile extrusion process manufacturing,

[0034] The mounting seat 1 includes a bottom plate 11 and side plates 12, the two side plates 12 are integrally connected on both sides of the bottom plate 11, and one side of the side plate 12 is provided with a first mounting hole 13.

[0035] The pedal 2 is provided with a through hole 21 on one side, and a fixed shaft 22 is arranged in the through hole 21, the fixed shaft 22 penetrates the through hole 21, and the end of the fixed shaft 22 is fixedly connected in the first mounting hole 13 through a pin shaft, one end of the pin shaft 26 is fixedly connected with the mounting seat through screw threads, the other end of the pin shaft 26 is a tapered structure, a groove 27 for embedding the tapered structure of the pin shaft 26 is arranged on the fixed shaft 22, and the pedal 2 rotates around the fixed shaft 22.

[0036] The mounting seat 1 is fixedly provided with a male buckle 15, the pedal is provided with a female buckle 29 matched with the male buckle 15, the female buckle 29 is a ring-shaped clasp spring with an opening 291, the clasp spring is located in the through hole, the clasp spring is fixedly connected with the pedal on both sides, and the side of the clasp spring opposite to the opening 291 forms a bending structure to the opening 291, and the bending structure has an arc-shaped opening 292.

[0037] The male buckle 15 includes a male buckle seat 151 and a buckle tongue, the male buckle seat 151 is connected with the mounting seat through screw threads, the buckle tongue includes a head 153 and a neck 152 which are integrally connected, one end of the neck 152 is integrally connected on the male buckle seat 151, the cross-sectional dimension of the head 153 is greater than that of the neck 152, the cross-sectional dimension of the head 153 is greater than the dimension of the arc-shaped opening 292, and the cross-sectional dimension of the neck 152 is less than or equal to the dimension of the arc-shaped opening 292.

[0038] The buckle tongue is inserted into the arc-shaped opening 292 and pushes the bending structure to both sides, and after the head 153 of the buckle tongue completely penetrates, the buckle tongue is locked.

[0039] The pedal 2 is provided with a weight-reducing hole 23 on one side.

[0040] The utility model discloses that the fixed shaft 22 penetrates the through hole 21, the pin shaft 26 fixedly connected with the mounting seat 1 through screw threads is embedded in the groove 27 on the fixed shaft 22, the tip of the tapered end of the pin shaft 26 is clamped at the bottom of the groove 27, and the fixing mode is more firm and stable; when the pedal 2 is turned up, the clasp spring is elastic, the head 153 is conveniently passed through the arc-shaped opening 292, the neck 152 is clamped at the arc-shaped opening 292 by penetrating the head 153 through the arc-shaped opening 292, the male buckle 15 and the female buckle 29 are locked, and the folding and fixing of the pedal 2 are realized.

[0041] The male buckle is easily inserted into the female buckle through extrusion, and when the male buckle is pulled out, the buckle tongue can be easily taken out, so that the male buckle and the female buckle are locked or unlocked without effort, and the operation is easy and convenient and does not need power.

[0042] In other embodiments, other settings are the same, the pedal 2 is vertically arranged with the mounting seat 1, the fixed shaft 22 is fixedly connected with the pedal 2, and the user is facilitated to get on and off the vehicle.

[0043] The weight reduction hole 23 is triangular in shape, the triangle has stability, the triangular hole is arranged on the side of the pedal 2, the weight is reduced, the stress is more stable, the pedal is prevented from being broken due to hollowing under the gravity pressing for many times, and the service life is increased.

[0044] In other embodiments, the weight reduction hole 23 can be square, circular or other shapes to achieve the purpose of reducing weight.

[0045] In the embodiment, three second mounting holes 14 are arranged on the mounting seat 1, the three second mounting holes 14 are arranged in a triangular shape, the mounting seat 1 and the pedal 2 are fixed on the vehicle through the second mounting hole 14 and the bolt, and the triangular arrangement makes the aluminum profile vehicle step structure more stable.

[0046] In the embodiment, the side plate 12 is a trapezoidal shape, and the first mounting hole 13 is arranged on the side plate 12.

[0047] In the embodiment, a plurality of anti-skid grooves 24 parallel to the fixed shaft 22 are arranged on the upper surface of the pedal 2, the friction between the shoe and the pedal 2 is increased, and the anti-skid effect is achieved.

[0048] In the embodiment, the through hole 25 is arranged on the pedal 2 and penetrates the upper surface and the lower surface, the weight is reduced, and the mud and snow on the sole can fall through the through hole 25.

[0049] In the embodiment, the damping pad 28 is arranged between the pedal 2 and the side plate 12, and the damping pad 28 is sleeved on the fixed shaft 22. The damping pad 28 is arranged to make the pedal 2 and the side plate 12 have friction, so that the pedal 2 directly slides and falls in the case that the male buckle 15 and the female buckle 29 are invalid or cannot be buckled, and the pedal 2 and the side plate 12 are prevented from being worn.

[0050] In the embodiment, the mounting seat 1 and the pedal 2 are made of aluminum alloy.

[0051] The profile extrusion process used in the utility model is a processing method that aluminum alloy is placed in an extrusion cylinder and a certain pressure is applied, so that the aluminum alloy flows out from a specific die hole, thereby obtaining a required cross-sectional shape and size. The extrusion processing method has low cost, high efficiency and simple operation, occupies a considerable proportion in the modern industrial production system, and makes the aluminum profile become an important basic material in the national economy.

[0052] The steps of the profile extrusion process are as follows:

[0053] Aluminum bar flat → heating aluminum bar → temperature up to 480℃ for 1h → mold heating to 480℃ → mold into mold base → to raw material port → extrusion → traction → straightening → aging → furnace discharge → 200℃ after 2h → cooling → complete

[0054] Specifically:

[0055] 1, the prepared aluminum bar flat on the rack, aluminum bar between a certain gap, attention not to pile up the aluminum bar, otherwise it will enhance the work difficulty of the extruder, in the operation also easy to cause the aluminum bar fall and hurt the staff;

[0056] 2, strictly according to the process operation, in the furnace, in the normal temperature heating, when the heating time reaches 3.5h, the temperature reaches 480℃, then 1h after normal production;

[0057] 3, at the same time, the extrusion die into the furnace heating, so that the mold temperature also reaches 480℃;

[0058] 4, after the heating and aging of the aluminum bar and the mold are done, the mold is put into the mold base of the extruder to prepare;

[0059] 5, the cut aluminum bar is put into the raw material inlet of the extruder for extrusion;

[0060] 6, into the extrusion stage, after the extruded profile comes out of the discharge hole, it is pulled by the traction machine, then the length size is cut, and then the aluminum profile is sent to the adjusting table for straightening, and the straightened aluminum profile can be transported to the finished product area for sizing cutting;

[0061] 7, the cut aluminum profile is loaded into the frame according to the requirements, and is transported to the aging area, enters the aging furnace for aging treatment, when the aging temperature reaches 200℃, the temperature is kept for 2h, and then the furnace is discharged;

[0062] 8, into the cooling stage, natural cooling or cooling with a cold air machine can be carried out, at this time, the extrusion work is completed, and the appearance quality and shape size of the aluminum profile extruded are qualified.

[0063] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0064] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. An aluminum profile step structure on a vehicle, characterized by, The mounting base and the pedal are manufactured by a profile extrusion process; The mounting base comprises a bottom plate and side plates integrally connected to the two sides of the bottom plate, and the side plates are provided with first mounting holes on one side; The pedal is provided with a through hole on one side, and a fixed shaft is arranged in the through hole, and the end of the fixed shaft is fixedly connected to the first mounting hole through a pin shaft, and the pedal rotates around the fixed shaft; The mounting base is fixed with a male buckle, and the pedal is provided with a female buckle matched with the male buckle; The pedal is provided with a weight-reducing hole on one side.

2. The aluminum profile step structure according to claim 1, characterized in that: The mounting base is provided with a plurality of second mounting holes for fixing.

3. The aluminum profile step structure according to claim 1, characterized in that: The side plate is a trapezoidal shape, and the first mounting hole is arranged on the side of the right angle of the side plate.

4. The aluminum profile step structure according to claim 1, characterized in that: One end of the pin shaft is fixedly connected to the mounting base through a thread, and the other end of the pin shaft is a conical structure, and the fixed shaft is provided with a groove matched with the conical structure of the pin shaft.

5. The aluminum profile step structure according to claim 1, characterized in that: The upper surface of the pedal is provided with a plurality of anti-skid grooves parallel to the fixed shaft.

6. The aluminum product step structure as defined in claim 1, wherein: The pedal is provided with a through hole penetrating from the upper surface to the lower surface.

7. The aluminum profile stepwell structure according to claim 6, characterized in that: The female buckle is a ring-shaped clasp spring with an opening, the clasp spring is located in the through hole, the two sides of the clasp spring are fixedly connected to the pedal, the side of the clasp spring opposite to the opening forms a bending structure in the direction of the opening, and the bending structure has an arc-shaped opening; The male buckle comprises a male buckle seat and a tongue, the male buckle seat is connected to the mounting base through a thread, the tongue comprises a head and a neck integrally connected, one end of the neck is integrally connected to the male buckle seat, the cross-sectional dimension of the head is larger than the dimension of the arc-shaped opening, and the cross-sectional dimension of the neck is smaller than or equal to the dimension of the arc-shaped opening; The tongue is inserted into the arc-shaped opening and pushes the bending structure to both sides, and the tongue is locked after the head completely passes through.

8. The aluminum product stepwell structure of claim 1, wherein A damping gasket is arranged between the pedal and the side plate, and the damping gasket is sleeved on the fixed shaft.

9. The aluminum product step structure as defined in claim 1, wherein The mounting base and the pedal are made of aluminum alloy material.

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