CN212289675U - Convenient-to-assemble commercial vehicle double-step framework - Google Patents

Abstract

The utility model discloses a convenient commercial car of assembly is two skeletons of marking time, trample the part and trample the part with the lower floor including the upper strata, both sides have downwardly extending's preceding backup pad and back backup pad respectively around the part is trampled to the upper strata, the lower floor tramples the part and has the connecting portion that upwards extends, and this connecting portion fixed connection is in the front on backup pad and the back backup pad, the middle part of back backup pad is equipped with the welding groove of arc structure, the middle part of preceding backup pad is equipped with the welding ring platform, the central line of this welding ring platform with the coincidence of central line in welding groove, the welding ring bench distributes and has the constant head tank. The utility model has the advantages that: when the framework is welded, only the welding groove and the welding ring platform are needed to be welded at the front end of the stepping support tubular beam, so that the welding process is effectively reduced.

Description

Convenient-to-assemble commercial vehicle double-step framework

Technical Field

The utility model relates to a skeleton of marking time, concretely relates to convenient assembly's two skeletons of marking time of commercial car.

Background

The commercial vehicle mainly refers to a cargo vehicle or a passenger car with more than 9 seats, and can be specifically divided into five types, namely a passenger car, a truck, a semi-trailer tractor, a non-complete vehicle of the passenger car and a non-complete vehicle of the truck. The common characteristic of any type of commercial vehicle is that the distance between the cab and the ground is relatively high, and steps must be arranged below the vehicle door to facilitate the passengers to get in and out of the cab.

In prior art, the motorcycle type that the installation double-deck was marked time is many, but the skeleton that these double-deck were marked time generally is split type structural design, need weld each layer skeleton alone during the assembly, and each layer skeleton all need to support the tubular beams with marking time to weld promptly, because scattered spare part is more, causes whole welding process very loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a two skeletons of marking time of commercial car of convenient assembly to solve among the prior art double-deck skeleton of marking time and the inconvenient technical defect of support tubular beams welding of marking time.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a two skeletons of marking time of commercial car of convenient assembly, its main points lie in: trample the part and trample the part with lower floor including the upper strata, both sides have downwardly extending's preceding backup pad and back backup pad respectively around the part was trampled to the upper strata, the lower floor tramples the part and has the connecting portion that upwards extends, and this connecting portion fixed connection is in the front on backup pad and the back backup pad, the middle part of back backup pad is equipped with the welding groove of arc structure, the middle part of preceding backup pad is equipped with the welding ring platform, the central line of this welding ring platform with the coincidence of central line in welding groove, the welding ring bench distributes and has the constant head tank.

Adopt above-mentioned structure, before the skeleton welds the dress, the upper strata is trampled the part and is trampled the part with the lower floor and can assemble into integral type structure in advance, and when the skeleton welded the dress, only need weld the whole dress that welds that the double-deck skeleton can be accomplished to the front end of marking time the support tubular beams in groove and welding ring platform welding, reduced effectively and welded the dress flow, and the constant head tank also can make the skeleton of marking time fix a position fast to horizontally assembly angle simultaneously, is favorable to promoting assembly efficiency.

Preferably, the method comprises the following steps: and a circular hole is formed in the position, corresponding to the welding ring platform, of the front supporting plate. By adopting the structure, the welding ring platform is conveniently formed in a stamping mode, and the upper layer treading part is conveniently manufactured and formed.

Preferably, the method comprises the following steps: the positioning grooves are symmetrically distributed at the left end and the right end of the welding ring platform. By adopting the structure, the positioning blocks on two sides of the end part of the stepping support tubular beam can be adapted to the positioning blocks, so that the upper layer stepping part is positioned to a horizontal posture, and the welding efficiency is improved.

Preferably, the method comprises the following steps: the lower floor trample part is formed by bending a metal pipe, the connecting part upwards extends from the rear end of the lower floor trample part, a welding part extending forwards is arranged at the upper end of the connecting part, and connecting holes adaptive to the welding part are formed in the front supporting plate and the rear supporting plate. By adopting the structure, the lower layer treading part is conveniently connected with the lower side of the upper layer treading part in a welding mode.

Preferably, the method comprises the following steps: the upper layer trampling part is distributed with screw through holes, and square nuts are embedded at the positions corresponding to the lower ends of the screw through holes. The structure is adopted, so that the upper pedal on the outermost surface can be rapidly installed through the screws.

Preferably, the method comprises the following steps: the middle part of the upper layer trampling part is provided with a rectangular hole, and a flanging extending downwards is formed at the circumferential edge of the rectangular hole. By adopting the structure, the rectangular hole can avoid the positioning structure on the lower side of the upper pedal, and the flanging can improve the structural strength of the upper-layer treading part.

Preferably, the method comprises the following steps: lamp group assembling holes are distributed on the upper-layer treading part. Adopt above-mentioned structure to installation LED light.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a two skeletons of marking time of commercial car of convenient assembly, before the skeleton welds the dress, the upper strata is trampled the part and is trampled the part with the lower floor and can be assembled into integral type structure in advance, and when the skeleton welded the dress, only need will weld groove and welding ring platform welding in the front end of marking time the support tube roof beam can, reduced effectively and welded the dress flow, the constant head tank also can make the skeleton of marking time fix a position to horizontally assembly angle fast simultaneously, is favorable to promoting to weld dress efficiency.

Drawings

FIG. 1 is a schematic structural view of a double-step framework;

FIG. 2 is a schematic view of the upper tread portion (with the rear support plate viewed from the front);

FIG. 3 is another schematic structural view of the upper tread portion (with the inner structure viewed from the front);

FIG. 4 is a schematic view of a double-step framework welded to a step support tubular beam;

FIG. 5 is an enlarged view of the front end of the step support tubular beam.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in figures 1 to 3, a commercial car pair of framework of marking time of facilitating assembly, it is mainly trampled part 1 and trampling part 2 two parts by the upper strata and forms by the lower floor, wherein trampling part 1 has preceding backup pad 1a and back backup pad 1b that extend downwards respectively in the front and back both sides of upper strata, both ends of preceding backup pad 1a and back backup pad 1b all are equipped with connecting hole 1g, trampling part 2 by the lower floor adopts the tubular metal resonator shaping of bending, it has connecting portion 2a that extends upwards from the rear end, and be equipped with the weld part 2b that extends forward at the upper end, this weld part 2b stretches into in the connecting hole 1g of back backup pad 1b and preceding backup pad 1a from back to front, and fixedly connect on back backup pad 1b and preceding backup pad 1a through the welding means.

The middle part of back backup pad 1b is equipped with the welding groove 1c of arc structure, and the middle part of preceding backup pad 1a is equipped with welding ring platform 1d, and the central line of this welding ring platform 1d and the coincidence of the central line of welding groove 1c, both ends respectively are equipped with a constant head tank 1e about welding ring platform 1 d.

As shown in fig. 4 and 5, the support tubular beams 4 mark time is a fixed part below the door, mark time the skeleton with mark time support tubular beams 4 before the dress, the upper strata trample part 1 and the lower floor trample part 2 and assemble into the integral type structure in advance, the skeleton only need when the dress welds the front end welding that supports tubular beams 4 mark time can accomplish double-deck skeleton on welding groove 1c and welding ring platform 1d and weld the dress wholly, and should weld the dress in-process, let mark time support in two sets of locating pieces 4 embedding constant head tank 1e of tubular beams 4 front end, also can make the upper strata trample the quick 4 tip of support tubular beams 4 with the horizontal attitude welding of marking time of part 1, be favorable to promoting assembly efficiency. Meanwhile, in the embodiment, the lower-layer stepping part 2 is formed by bending a metal pipe, so that the lower side of the lower pedal 5 is provided with a clamp matched with the metal pipe, and the lower pedal 5 can be quickly buckled.

As shown in fig. 1 and 3, the upper layer treading part 1 is distributed with screw through holes 1h, and the square nuts 3 are embedded at the positions corresponding to the lower ends of the screw through holes 1h, so that the upper treadle on the surface can be quickly installed through the screws. In order to avoid a positioning structure on the lower side of the upper pedal, a rectangular hole 1i is formed in the middle of the upper-layer pedal part 1. In order to improve the structural strength of the upper step part 1, a flange 1j extending downward is formed on the circumferential edge of the rectangular hole 1 i.

As shown in fig. 1, in order to facilitate the stamping of the welding collar 1d and the manufacturing of the upper step 1, the front support plate 1a is provided with a circular hole 1f at a position corresponding to the welding collar 1 d.

Still be equipped with four banks pilot hole 1k on the part 1 is trampled on the upper strata, and wherein two are used for installing the LED light that light is up, and two are used for installing the LED light that light is down in addition to when guaranteeing to mark time when using night, two-layer is marked time and can both be obtained the illumination.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (7)

1. The utility model provides a two skeletons of marking time of commercial car of convenient assembly which characterized in that: trample part (1) and trample part (2) including the upper strata, both sides have preceding backup pad (1a) and back backup pad (1b) of downwardly extending respectively around the trample part (1) of upper strata, part (2) are trampled to the lower floor has connecting portion (2a) of upwards extending, and this connecting portion (2a) fixed connection is in the front on backup pad (1a) and back backup pad (1b), the middle part of back backup pad (1b) is equipped with welding groove (1c) of arc structure, the middle part of preceding backup pad (1a) is equipped with welding ring platform (1d), the central line of this welding ring platform (1d) with the coincidence of the central line of welding groove (1c), it has constant head tank (1e) to distribute on welding ring platform (1 d).

2. The conveniently-assembled commercial vehicle double-step framework as claimed in claim 1, wherein: and a circular hole (1f) is formed in the position, corresponding to the welding ring platform (1d), of the front supporting plate (1 a).

3. The conveniently-assembled commercial vehicle double-step framework as claimed in claim 1 or 2, wherein: the positioning grooves (1e) are symmetrically distributed at the left end and the right end of the welding ring platform (1 d).

4. The conveniently assembled commercial vehicle double-step framework of claim 3, wherein: trample part (2) on lower floor and adopt the tubular metal resonator shaping of bending, connecting portion (2a) upwards extend from the rear end of trampling part (2) on lower floor to be equipped with welding part (2b) that extend forward at the upper end, all be equipped with connecting hole (1g) that suit with welding part (2b) on preceding backup pad (1a) and the back backup pad (1 b).

5. The conveniently-assembled commercial vehicle double-step framework as claimed in claim 1, wherein: the upper layer trample component (1) is distributed with screw through holes (1h), and square nuts (3) are embedded at the positions corresponding to the lower ends of the screw through holes (1 h).

6. The conveniently-assembled commercial vehicle double-step framework as claimed in claim 1, wherein: the middle part of the upper-layer treading part (1) is provided with a rectangular hole (1i), and a flanging (1j) extending downwards is formed at the circumferential edge of the rectangular hole (1 i).

7. The conveniently-assembled commercial vehicle double-step framework as claimed in claim 1, wherein: lamp group assembling holes (1k) are distributed on the upper-layer treading part (1).

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