CN220243373U - Universal welding-free skateboard chassis - Google Patents

Abstract

The utility model discloses a universal welding-free skateboard chassis, which comprises a chassis framework, a front section framework and a rear section framework; the chassis framework comprises a plurality of bottom cross beams and a plurality of bottom longitudinal beams, and the bottom cross beams and the bottom longitudinal beams are connected through bolts; the front section framework comprises a front connecting bracket and a front mounting frame, the front connecting bracket is connected to the front end of the bottom cross beam through bolts, and the front mounting frame is connected to the front connecting bracket through bolts; the back section skeleton includes back linking bridge and back mounting bracket, and the back linking bridge passes through bolted connection in the rear end of bottom cross beam, and the back mounting bracket passes through bolted connection in the back linking bridge. In the utility model, the chassis framework, the front section framework and the rear section framework are assembled, and the front section framework, the rear section framework and the chassis framework are assembled by adopting bolts, so that the chassis framework, the front section framework and the rear section framework are connected by adopting bolts, and the chassis framework, the front section framework, the rear section framework and the chassis framework are not required to be welded and processed by large-scale die casting equipment, thereby effectively reducing the labor intensity of assembly and the production cost and ensuring the quality of products.

Description

Universal welding-free skateboard chassis

Technical Field

The utility model relates to the technical field of vehicle chassis, in particular to a universal welding-free skateboard chassis.

Background

The chassis of the scooter for the low-speed vehicle generally comprises a chassis main body, a front section framework and a rear section framework, wherein the front section framework and the rear section framework are respectively assembled at the front end and the rear end of the chassis for the low-speed vehicle, at present, most of the chassis main body, the front section framework and the rear section framework are formed by welding sheet metal parts and then assembled into the chassis for the low-speed vehicle, and the chassis main body, the front section framework and the rear section framework of part of high-end vehicle models are assembled after being made of cast aluminum and cast iron.

For the existing low-speed vehicle skateboard chassis structure, the existing low-speed vehicle skateboard chassis structure has the defects that the technology is complex, time and labor are wasted, the welding deformation is large, the accuracy is poor, the consistency cannot be ensured, the product quality is not easy to control, the casting chassis has the advantages of large weight, large die casting equipment is needed to finish processing, and the production investment cost is high.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a universal welding-free skateboard chassis.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a universal welding-free skateboard chassis comprises a chassis framework, a front section framework and a rear section framework;

the chassis framework comprises a plurality of bottom cross beams and a plurality of bottom longitudinal beams, and the bottom cross beams and the bottom longitudinal beams are connected through bolts;

the front section framework comprises a front connecting bracket and a front mounting frame, the front connecting bracket is connected to the front end of the bottom cross beam through bolts, and the front mounting frame is connected to the front connecting bracket through bolts;

the rear section framework comprises a rear connecting support and a rear mounting frame, the rear connecting support is connected to the rear end of the bottom cross beam through bolts, and the rear mounting frame is connected to the rear connecting support through bolts.

Further, the chassis skeleton further comprises a first connecting piece, the bottom cross beam is provided with at least one hollow cavity along the length direction of the bottom cross beam, the bottom longitudinal beam is provided with a structure consistent with the bottom cross beam, the first connecting piece is inserted into the hollow cavity, and the bottom cross beam and the bottom longitudinal beam are locked together through bolts.

Further, at least two inner walls of the hollow cavity are provided with reinforcing ribs along the length direction of the hollow cavity.

Further, the chassis skeleton further comprises a transverse connection plate and a second connection piece, the transverse connection plate is locked at two ends of the bottom longitudinal beam through bolts and the first connection piece, the front connection support and the rear connection support are locked at the front end and the rear end of the bottom cross beam through bolts and the second connection piece respectively, the front installation frame is locked on the front connection support and the transverse connection plate through bolts, and the rear installation frame is locked on the rear connection support and the transverse connection plate through bolts.

Further, the first connecting piece and the second connecting piece each comprise a connecting portion and an inserting portion, at least two connecting ports are formed in the connecting portions, the connecting portions extend to the outer sides of the connecting portions to form at least one inserting portion, the cross sections of the inserting portions gradually become smaller from the connecting portions to the outer sides, protruding ribs are formed on the side faces of the inserting portions in a protruding mode, and the protruding ribs extend from the root portions of the inserting portions to the end portions of the protruding ribs and are matched with the hollow cavities.

Further, the front mounting frame comprises a front side plate, a front hack lever and a front connecting piece, wherein the front end of the transverse connecting plate is connected with a group of parallel front side plates through bolts, the front ends of the front hack levers are locked in the two front side plates through bolts, the rear ends of the front hack levers are fixedly provided with the front connecting piece through bolts, and the front connecting piece is connected with the front connecting bracket through bolts; the rear mounting frame comprises a rear side plate, rear frame rods and rear connecting pieces, wherein the rear ends of the transverse connecting plates are connected with a group of parallel rear side plates through bolts, the rear ends of the rear frame rods are locked in the two rear side plates through bolts, the front ends of the rear frame rods are fixedly connected with the rear connecting pieces through bolts, and the rear connecting pieces are connected with the rear connecting support through bolts.

Further, the two ends of the transverse connecting plate are connected with connecting plates through bolts; the front side plate comprises a front straight plate and a front arc plate, the front straight plate is fixedly connected with the connecting plate through bolts, the front end of the front straight plate is provided with the front arc plate, the front connecting support is locked between the two front arc plates through bolts, the front end of the front hack lever is locked between the two front arc plates through bolts, and the rear end of the front hack lever is locked on the front connecting support through the front connecting piece; the rear side plate comprises a rear straight plate and a rear arc plate, the rear straight plate is fixedly connected with the connecting plate through bolts, the rear arc plate is arranged at the front end of the rear straight plate, the rear connecting support is locked between the two rear arc plates through bolts, the front end of the rear hack lever is locked on the rear connecting support through rear connecting pieces, and the rear end of the rear hack lever is locked between the two rear arc plates through bolts.

Further, the rear end of the front hack lever is provided with a front rod part in a triangle shape, the front connecting piece comprises a front plate body and three front foot frames, the front plate body is locked on the front connecting support through bolts, the front foot frames are distributed corresponding to the front rod part, and the front foot frames and the front connecting piece are locked together through bolts.

Further, the front end of the back hack lever is provided with a back pole part which is V-shaped, the back connecting piece comprises a back plate body, an upper back supporting leg and a lower back supporting leg, the back plate body is locked on the back connecting support through bolts, the upper back supporting leg is distributed on the back plate body in a V-shaped mode and corresponds to the back pole part, the upper back supporting leg is locked together with the back pole part through bolts, and the lower back supporting leg is arranged at the bottom of the back plate body.

Further, the chassis comprises a chassis panel, and the chassis panel is adhered to the chassis framework by adopting an adhesive.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

in the utility model, the chassis framework, the front section framework and the rear section framework are assembled, and the front section framework, the rear section framework and the chassis framework are assembled by adopting bolts, so that the chassis framework, the front section framework and the rear section framework are connected by adopting bolts, and the chassis framework, the front section framework, the rear section framework and the chassis framework are not required to be welded and processed by large-scale die casting equipment, thereby effectively reducing the labor intensity of assembly and the production cost and ensuring the quality of products.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of the chassis skeleton structure of the present utility model;

FIG. 4 is an exploded view of the chassis frame of the present utility model;

FIG. 5 is a schematic view (partial length) of the structure of the bottom rail and side sill of the present utility model;

FIG. 6 is a schematic view of one of the first and second connectors according to the present utility model;

FIG. 7 is a schematic view of another embodiment of the first and second connectors of the present utility model;

FIG. 8 is a schematic structural view of a front-end framework according to the present utility model;

FIG. 9 is an exploded view of the anterior skeleton of the present utility model;

FIG. 10 is a schematic view of the front connector of the present utility model;

FIG. 11 is a schematic structural view of a rear skeleton in the present utility model;

FIG. 12 is an exploded view of the posterior segment framework of the present utility model;

FIG. 13 is a schematic view of a rear connector according to the present utility model;

FIG. 14 is a second schematic view of the rear connector of the present utility model.

Reference numerals illustrate:

chassis skeleton 100, bottom beam 110, hollow cavity 111, reinforcing rib 112, side sill 120, first connector 130, cross connecting plate 140, second connector 150, connecting portion 151, plug portion 152, connecting port 153, protruding rib 154, and connecting plate 160;

front section frame 200, front connecting bracket 210, front mounting bracket 220, front side plate 221, front straight plate 2211, front arc plate 2212, front frame bar 222, front bar portion 2221, front connecting piece 223, front plate body 2231, front foot rest 2232;

rear section frame 300, rear connecting bracket 310, rear mounting bracket 320, rear side plate 321, rear straight plate 3211, rear arc plate 3212, rear frame bar 322, rear rod portion 3221, rear connecting piece 323, rear plate body 3231, upper rear leg 3232, lower rear leg 3233;

chassis panel 400.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, it should be noted that:

the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not denote or imply that the apparatus or elements of the present utility model must have a particular orientation, and thus should not be construed as limiting the utility model.

When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the utility model will be understood by those skilled in the art according to the specific circumstances.

Examples

Referring to fig. 1 and 2, the utility model discloses a universal welding-free skateboard chassis, which comprises a chassis framework 100, a front section framework 200, a rear section framework 300 and a chassis panel 400.

Referring to fig. 2, 3, 8, and 11, the chassis frame 100 includes a plurality of bottom cross members 110 and a plurality of bottom side members 120, and the bottom cross members 110 and the bottom side members 120 are connected by bolts; the front section frame 200 includes a front connection bracket 210 and a front mounting bracket 220, the front connection bracket 210 is connected to the front end of the bottom beam 110 by bolts, and the front mounting bracket 220 is connected to the front connection bracket 210 by bolts; the rear frame 300 includes a rear connection bracket 310 and a rear mounting bracket 320, the rear connection bracket 310 being connected to the rear end of the bottom rail 110 by bolts, and the rear mounting bracket 320 being connected to the rear connection bracket 310 by bolts.

Referring to fig. 3 to 7, the chassis frame 100 further includes a first connecting member 130, the bottom rail 110 has at least one hollow cavity 111 along a length direction thereof, the bottom rail 120 has a structure identical to that of the bottom rail 110, and the first connecting member 130 is inserted into the hollow cavity 111 and locks the bottom rail 110 and the bottom rail 120 together by bolts. In this embodiment, at least two inner walls of the hollow cavity 111 are provided with reinforcing ribs 112 along the length direction thereof.

The chassis frame 100 further includes a cross-connecting plate 140 and a second connecting member 150, the cross-connecting plate 140 is fastened to two ends of the side sill 120 by bolts and the first connecting member 130, the front connecting bracket 210 and the rear connecting bracket 310 are fastened to two front and rear ends of the bottom cross member 110 by bolts and the second connecting member 150, the front mounting bracket 220 is fastened to the front connecting bracket 210 and the cross-connecting plate 140 by bolts, and the rear mounting bracket 320 is fastened to the rear connecting bracket 310 and the cross-connecting plate 140 by bolts.

The first connecting piece 130 and the second connecting piece 150 each comprise a connecting portion 151 and a plugging portion 152, at least two connecting ports 153 are arranged on the connecting portion 151, the connecting portion 151 extends to the outer side to form at least one plugging portion 152, in this embodiment, the cross section of the plugging portion 152 gradually decreases outwards from the connecting portion 151, convex ribs 154 are formed on each side surface of the plugging portion 152 in a protruding mode, the convex ribs 154 extend from the root of the plugging portion 152 to the end direction of the convex ribs and are matched with the hollow cavity 111, and therefore the plugging portion 152 is not easy to separate after being inserted into the hollow cavity 111.

As shown in fig. 2, 3, 8, 9, 11 and 12, the front mounting rack 220 includes a front side plate 221, front frame rods 222 and front connectors 223, the front ends of the cross connecting plates 140 are connected with a group of parallel front side plates 221 by bolts, the front ends of the front frame rods 222 are locked in the two front side plates 221 by bolts, the rear ends of the front frame rods 222 are fixedly connected with the front connectors 223 by bolts, and the front connectors 223 are connected with the front connecting brackets 210 by bolts. The rear mounting frame 320 comprises a rear side plate 321, rear frame rods 322 and rear connecting pieces 323, wherein the rear ends of the transverse connecting plates 140 are connected with a group of parallel rear side plates 321 through bolts, the rear ends of the rear frame rods 322 are locked in the two rear side plates 321 through bolts, the front ends of the rear frame rods 322 are fixedly connected with the rear connecting pieces 323 through bolts, and the rear connecting pieces 323 are connected with the rear connecting support 310 through bolts.

The two ends of the transverse connection plate 140 are connected with the connection plate 160 through bolts, and the cross section shapes of the transverse connection plate 140 and the connection plate 160 are concave; the front side plate 221 includes a front straight plate 2211 and a front arc plate 2212, the front straight plate 2211 is fixedly connected with the connecting plate 160 through bolts, the front end of the front straight plate 2211 is provided with the front arc plate 2212, the front connecting bracket 210 is locked between the two front arc plates 2212 through bolts, the front end of the front hack lever 222 is locked between the two front arc plates 2212 through bolts, and the rear end is locked on the front connecting bracket 210 through the front connecting piece 223.

As shown in fig. 8 to 10, in the present embodiment, the rear end of the front frame bar 222 is provided with a triangle front bar portion 2221, the front connecting member 223 includes a front plate body 2231 and three front foot rests 2232, the front plate body 2231 is locked on the front connecting bracket 210 by bolts, the front foot rests 2232 are distributed corresponding to the front bar portion 2221, and the front bar portion 2221 and the front foot rests are locked together by bolts.

As shown in fig. 2, 4 and 11 to 14, the rear side plate 321 includes a rear straight plate 3211 and a rear arc plate 3212, the rear straight plate 3211 is fixedly connected with the joining plate 160 through bolts, the rear arc plate 3212 is disposed at the front end of the rear straight plate 3211, the rear connecting bracket 310 is locked between the two rear arc plates 3212 through bolts, the front end of the rear frame rod 322 is locked on the rear connecting bracket 310 through a rear connecting piece 323, and the rear end is locked between the two rear arc plates 3212 through bolts.

In this embodiment, the front end of the rear frame rod 322 is provided with a V-shaped rear rod portion 3221, the rear connecting piece 323 includes a rear plate body 3231, an upper rear leg 3232 and a lower rear leg 3233, the rear plate body 3231 is locked on the rear connecting bracket 310 by bolts, the upper rear leg 3232 is distributed on the rear plate body 3231 in a V-shape and corresponds to the rear rod portion 3221, the upper rear leg 3232 is locked with the rear rod portion 3221 by bolts, and the lower rear leg 3233 is arranged at the bottom of the rear plate body 3231 for connecting the rest of the legs.

Referring to fig. 1 and 2, the chassis panel 400 is adhered to the chassis frame 100 using an adhesive.

The assembly process of the utility model is as follows:

first, the first connector 130 is inserted into the hollow cavity 111 of the bottom cross member 110 and/or the bottom side member 120, then the bottom cross member 110 and the bottom side member 120 are fastened together by bolts to obtain the chassis frame 100 having a frame structure, then the cross connecting plates 140 are fastened to both ends of the bottom side member 120 by bolts and the first connector 130, and the joint plates 160 are fastened to both ends of the cross connecting plates 140 by bolts, and then the chassis panel 400 is fastened to the chassis frame 100 by an adhesive.

Secondly, the front connecting bracket 210 is locked between the two front side plates 221 through bolts, the front end of the front hack lever 222 is locked on the front arc plate 2212 through bolts, the front rod part 2221 is connected with the front connecting piece 223 through bolts, and the front connecting piece 223 is locked on the front connecting bracket 210 through bolts, so that the assembly of the front section framework 200 is completed; the rear connecting bracket 310 is locked between the two rear side plates 321 through bolts, the rear end of the rear frame rod 322 is locked on the rear arc plate 3212 through bolts, the rear rod portion 3221 is connected with the rear connecting piece 323 through bolts, and the rear connecting piece 323 is locked on the rear connecting bracket 310 through bolts, so that the assembly of the rear section framework 300 is completed.

Finally, the front section frame 200 and the rear section frame 300 are installed, the second connecting member 150 is inserted into the hollow cavity 111 of the side sill 120, the second connecting member 150 is locked on the front connecting bracket 210/the rear connecting bracket 310 by bolts, and then the front straight plate 2211 and the rear straight plate 3211 are connected with the connecting plate 160 by bolts, so that the chassis assembly is completed.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. A general welding-free skateboard chassis, characterized in that: comprises a chassis framework, a front section framework and a rear section framework;

the chassis framework comprises a plurality of bottom cross beams and a plurality of bottom longitudinal beams, and the bottom cross beams and the bottom longitudinal beams are connected through bolts;

the front section framework comprises a front connecting bracket and a front mounting frame, the front connecting bracket is connected to the front end of the bottom cross beam through bolts, and the front mounting frame is connected to the front connecting bracket through bolts;

the rear section framework comprises a rear connecting support and a rear mounting frame, the rear connecting support is connected to the rear end of the bottom cross beam through bolts, and the rear mounting frame is connected to the rear connecting support through bolts.

2. A universal welding-free skateboard chassis as in claim 1, wherein: the chassis framework further comprises a first connecting piece, the bottom cross beam is provided with at least one hollow cavity along the length direction of the bottom cross beam, the bottom longitudinal beam is provided with a structure consistent with the bottom cross beam, the first connecting piece is inserted into the hollow cavity, and the bottom cross beam and the bottom longitudinal beam are locked together through bolts.

3. A universal welding-free skateboard chassis as in claim 2, wherein: at least two inner walls of the hollow cavity are provided with reinforcing ribs along the length direction of the hollow cavity.

4. A universal welding-free skateboard chassis as in claim 2, wherein: the chassis framework further comprises a transverse connecting plate and a second connecting piece, the transverse connecting plate is locked at two ends of the bottom longitudinal beam through bolts and the first connecting piece, the front connecting support and the rear connecting support are locked at the front end and the rear end of the bottom cross beam through bolts and the second connecting piece respectively, the front mounting frame is locked on the front connecting support and the transverse connecting plate through bolts, and the rear mounting frame is locked on the rear connecting support and the transverse connecting plate through bolts.

5. A universal welding-free skateboard chassis as in claim 4, wherein: the first connecting piece and the second connecting piece all include connecting portion and grafting portion, be provided with two at least connectors on the connecting portion, connecting portion extend to its outside and form at least one grafting portion, the cross-section of grafting portion by connecting portion outwards diminishes gradually, and each side protrusion of grafting portion is formed with protruding muscle, and protruding muscle extends to its tip direction by the root of grafting portion to with cavity looks adaptation.

6. A universal welding-free skateboard chassis as in claim 4, wherein: the front mounting frame comprises a front side plate, a front hack lever and front connecting pieces, wherein the front ends of the transverse connecting plates are connected with a group of parallel front side plates through bolts, the front ends of the front hack levers are locked in the two front side plates through bolts, the rear ends of the front hack levers are fixedly provided with the front connecting pieces through bolts, and the front connecting pieces are connected with the front connecting brackets through bolts; the rear mounting frame comprises a rear side plate, rear frame rods and rear connecting pieces, wherein the rear ends of the transverse connecting plates are connected with a group of parallel rear side plates through bolts, the rear ends of the rear frame rods are locked in the two rear side plates through bolts, the front ends of the rear frame rods are fixedly connected with the rear connecting pieces through bolts, and the rear connecting pieces are connected with the rear connecting support through bolts.

7. A universal welding-free skateboard chassis as in claim 6, wherein: the two ends of the transverse connecting plate are connected with connecting plates through bolts; the front side plate comprises a front straight plate and a front arc plate, the front straight plate is fixedly connected with the connecting plate through bolts, the front end of the front straight plate is provided with the front arc plate, the front connecting support is locked between the two front arc plates through bolts, the front end of the front hack lever is locked between the two front arc plates through bolts, and the rear end of the front hack lever is locked on the front connecting support through the front connecting piece; the rear side plate comprises a rear straight plate and a rear arc plate, the rear straight plate is fixedly connected with the connecting plate through bolts, the rear arc plate is arranged at the front end of the rear straight plate, the rear connecting support is locked between the two rear arc plates through bolts, the front end of the rear hack lever is locked on the rear connecting support through rear connecting pieces, and the rear end of the rear hack lever is locked between the two rear arc plates through bolts.

8. A universal welding-free skateboard chassis as in claim 7, wherein: the front connecting piece comprises a front plate body and three front foot frames, wherein the front plate body is locked on the front connecting support through bolts, the front foot frames are distributed corresponding to the front rod portions, and the front connecting piece and the front foot frames are locked together through bolts.

9. A universal welding-free skateboard chassis as in claim 7, wherein: the front end of back hack lever is provided with the back pole portion that is the V font, back connecting piece includes back plate body, goes up back stabilizer blade and lower back stabilizer blade, the back plate body pass through the bolt lock in on the back linking bridge, go up back stabilizer blade be V-arrangement distribute in on the back plate body, and with back pole portion is corresponding, go up back stabilizer blade pass through the bolt with back pole portion lock is in the same place, lower back stabilizer blade set up in the bottom of back plate body.

10. A universal welding-free skateboard chassis as in any of claims 1-9, wherein: the chassis panel is adhered to the chassis framework by adopting an adhesive.