CN219154568U

CN219154568U - Frame and chassis girder connection structure

Info

Publication number: CN219154568U
Application number: CN202223379738.2U
Authority: CN
Inventors: 华益孟; 沈建锟; 钦佩佩
Original assignee: Zhejiang Ruiye Special Purpose Vehicle Co ltd
Current assignee: Zhejiang Ruiye Special Purpose Vehicle Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-09
Anticipated expiration: 2032-12-16

Abstract

The utility model provides a frame and chassis girder connecting structure, which comprises a chassis structure; the frame structure is positioned above the chassis structure; the hinge structure and the supporting structure are connected and arranged between the chassis structure and the frame structure; the chassis structure includes: the two girders are arranged at intervals left and right and distributed along the longitudinal direction of the carriage, and the left and right ends of the hinge structure and the supporting structure are correspondingly connected with the inner sides opposite to the two girders; according to the utility model, through carrying out structural compactness improvement on the hinge structure and the supporting structure, the base of the hinge structure is connected with the inner sides of the two girders of the chassis, and the supporting shaft of the supporting structure is shortened and the shaft center is lifted, so that the hinge structure is suitable for the frame connection of the chassis girders with narrow space and limited installation space, and the technical problem that the existing external-span type connecting structure in the prior art cannot be suitable for a novel chassis structure with compact structure and narrow width is solved.

Description

Frame and chassis girder connection structure

Technical Field

The utility model relates to the technical field of vehicle chassis connection, in particular to a frame and chassis girder connection structure.

Background

The existing motor home generally adopts a fixed box structure or a movable box structure capable of expanding, and the structural design of a chassis with a supporting function is important to the size, stability and flatness of the cabin inner space after the expansion aiming at the movable box capable of expanding.

Chinese patent No. cn201710728929.X discloses an all-aluminum recreational vehicle chassis system, comprising an all-aluminum alloy chassis frame and suspension devices connected to both sides of the all-aluminum alloy chassis frame; the full aluminum alloy chassis frame comprises an A-shaped frame and a chassis frame which are sequentially connected; a longitudinal beam extends from the top end of the A-shaped frame to the direction of the chassis frame; the longitudinal beam extends to the tail part of the chassis frame and is connected with the chassis frame; the top end of the A-shaped frame is connected with a towing hook; one side frame of the A-shaped frame is fixedly connected with a rotatable supporting leg; the upper parts of the supporting legs are provided with handles.

But among the prior art scheme, chassis structure width is big, and connection structure between chassis and the frame strides and locates the chassis girder outside, and the structure occupies the space greatly, with many materials, with high costs, to compact structure, narrow width's novel chassis structure, because installation space is limited, connection structure among the prior art can't be suitable for.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a frame and chassis girder connecting structure, wherein a base of the frame and the chassis girder connecting structure is connected with the opposite inner sides of two girders of a chassis through the improvement of the structure compactness of a hinge structure and a supporting structure, and the supporting axis of the supporting structure is shortened and lifted, so that the frame and chassis girder connecting structure is suitable for frame connection of the chassis girder with narrow space and limited installation space, and the technical problem that the existing external span type connecting structure in the prior art cannot be suitable for a novel chassis structure with compact structure and narrow width is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a frame and chassis frame connection structure comprising: a chassis structure; a frame structure located above the chassis structure; the hinge structure and the supporting structure are connected and arranged between the chassis structure and the frame structure; the chassis structure comprises: the two girders are arranged at left and right intervals and distributed along the longitudinal direction of the carriage, and the left and right ends of the hinge structure and the support structure are correspondingly connected with the opposite inner sides of the two girders.

Preferably, the frame structure includes: the long beams are arranged at left and right intervals and distributed along the length direction of the girder; and the short beams are connected and arranged between the two long beams, and the tops of the hinge structure and the supporting structure are correspondingly connected to the bottoms of the short beams.

Preferably, the support structure comprises: the outer side surface of the support base is fixedly connected with the inner side surface of the girder; and the support shaft is connected to the top of the support base.

Preferably, the axle center of the support shaft is higher than the girder.

Preferably, the left and right sides of the supporting base are provided with two groups at intervals, and the outer side face of each supporting base is fixedly connected with the inner side face of the girder on the same side; the support shaft spans across the two support bases.

Preferably, the support structure further comprises: the supporting top seat is rotatably sleeved on the supporting shaft, and the top surface of the supporting top seat is connected with the frame structure.

Preferably, the supporting top seat is provided with two groups at left and right intervals and correspondingly positioned above the supporting base.

Preferably, the hinge structure includes: the outer side surface of the hinged base is fixedly connected with the inner side surface of the girder; the upper hinge seat and the lower hinge seat are provided with shaft holes which have the same shaft center and are parallel to the length direction of the girder; and the hinge shaft is inserted in the shaft hole, the lower hinge seat is connected to the top of the hinge base, and the top surface of the upper hinge seat is connected with the frame structure.

Preferably, two groups of hinge bases are arranged at left and right intervals, and the outer side faces of the hinge bases are fixedly connected with the inner side faces of the girders on the same side.

Preferably, the hinge structures and the supporting structures are arranged at intervals along the length direction of the girder, the supporting structures are connected to the bottom of the frame structure and form left and right supporting points with supporting function, the hinge structures are connected to the bottom of the frame structure and form a hinge point, and the supporting points and the hinge point form a triangular torsion balance structure.

The utility model has the beneficial effects that:

(1) According to the utility model, through the compact improvement of the structure of the hinge structure and the supporting structure, the base of the hinge structure is connected with the inner sides of the two girders of the chassis, and the supporting shaft of the supporting structure is shortened and the shaft center is lifted, so that the hinge structure is suitable for the frame connection of the girders of the chassis with narrow space and limited installation space;

(2) When the rear wheel is impacted by the road surface, the chassis girder can swing around the hinging point along with the movement direction of the wheel, and the front end of the frame generates resistance to the swinging chassis girder through the supporting point, so that the frame can keep balance, and a triangular torsion balance structure is formed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a bottom view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the connection of the support structure of the present utility model;

FIG. 4 is a front elevational view of the overall structure of the present utility model;

FIG. 5 is a left side view of the overall structure of the present utility model;

FIG. 6 is a schematic illustration of the connection of the hinge structure of the present utility model;

FIG. 7 is a rear elevational view of the overall structure of the present utility model;

fig. 8 is a schematic diagram of the overall structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

As shown in fig. 1-2, a frame-chassis girder connection structure includes: a chassis structure 1; a frame structure 2, the frame structure 2 being located above the chassis structure 1; the hinge structure 3 and the supporting structure 4 are connected and arranged between the chassis structure 1 and the frame structure 2; the chassis structure 1 comprises: the girders 11, two girders 11 are arranged at intervals left and right and distributed along the longitudinal direction of the carriage, and the left and right ends of the hinge structure 3 and the supporting structure 4 are correspondingly connected with the opposite inner sides of the two girders 11.

Preferably, the frame structure 2 includes: the long beams 21 are arranged at left and right intervals, and are distributed along the length direction of the girder 11; and the short beams 22 are connected and arranged between the two long beams 21, and the tops of the hinge structure 3 and the supporting structure 4 are correspondingly connected with the bottoms of the short beams 22.

To compact novel chassis structure, because the interval between two chassis girders is narrower, the installation space of hinge structure 3 and bearing structure 4 is limited, can't stride in two girder outsides and connect, in this embodiment, through carrying out the compactification improvement to hinge structure 3 and bearing structure 4, make it be connected with the inboard that chassis two girders 11 are relative to the frame connection of narrow, limited chassis girder of installation space of adaptation width.

Preferably, as shown in fig. 3-4, the support structure 4 comprises: the support base 41, the outer side of the support base 41 is fixedly connected with the inner side of the girder 11; and a support shaft 42, the support shaft 42 being connected to the top of the support base 41.

Preferably, as shown in fig. 5, the support shaft 42 has a higher axial center than the girder 11.

In this embodiment, the support shaft 42 is axially shortened and axially moved up to above the girder 11, so that the structure is more compact, and the space occupied for installation is reduced.

Preferably, as shown in fig. 3-4, two groups of support bases 41 are arranged at left and right intervals, and the outer side faces of the support bases 41 are fixedly connected with the inner side faces of the girders 11 on the same side respectively; the support shaft 42 is disposed across the two support bases 41.

Preferably, the support structure 4 further comprises: the supporting top seat 43 is rotatably sleeved on the supporting shaft 42, and the top surface of the supporting top seat 43 is connected with the frame structure 2.

Preferably, two groups of supporting top seats 43 are arranged at left and right intervals and are correspondingly positioned above the supporting base 41.

Preferably, as shown in fig. 6 to 7, the hinge structure 3 comprises: the outer side surface of the hinged base 31 is fixedly connected with the inner side surface of the girder 11; the upper hinge seat 32 and the lower hinge seat 33 are provided with shaft holes which have the same shaft center and are parallel to the length direction of the girder 11; and the hinge shaft 34 is inserted into the shaft hole, the lower hinge seat 33 is connected to the top of the hinge base 31, and the top surface of the upper hinge seat 32 is connected to the frame structure 2.

Preferably, two groups of hinge bases 31 are disposed at left and right intervals, and the outer side faces of the hinge bases 31 are fixedly connected with the inner side faces of the girders 11 on the same side.

Preferably, as shown in fig. 8, the hinge structures 3 and the supporting structures 4 are arranged at intervals along the length direction of the girder 11, the supporting structures 4 are connected to the bottom of the frame structure 2 and form two left and right supporting points 40 with supporting function, the hinge structures 3 are connected to the bottom of the frame structure 2 and form a hinge point 20, and the supporting points 40 and the hinge point 20 form a triangle torsion balance structure 5.

In this embodiment, by providing a three-pivot swing structure in which the hinge point 20 is located near the transmission shaft of the rear wheel and at the midpoint of the axial distance between the two rear wheels, when the rear wheel is impacted by the road surface, the chassis girder 11 can swing around the hinge point along the movement direction of the wheel, at this time, the front end of the frame generates resistance to the swinging chassis girder 11 through the supporting point 40, so that the frame can be balanced, and a triangular torsion balance structure is formed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A frame and chassis frame connection structure comprising:

a chassis structure;

a frame structure located above the chassis structure; and

the hinge structure and the supporting structure are connected and arranged between the chassis structure and the frame structure;

the chassis structure is characterized by comprising:

the two girders are arranged at left and right intervals and distributed along the longitudinal direction of the carriage, and the left and right ends of the hinge structure and the support structure are correspondingly connected with the opposite inner sides of the two girders.

2. A frame to chassis frame connection according to claim 1, wherein said frame structure comprises:

the long beams are arranged at left and right intervals and distributed along the length direction of the girder; and

the short beams are connected and arranged between the two long beams, and the tops of the hinge structure and the supporting structure are correspondingly connected to the bottoms of the short beams.

3. The frame to chassis frame connection of claim 1, wherein the support structure comprises:

the support base is connected with the inner side surface of the girder; and

and the support shaft is connected to the top of the support base.

4. A frame and chassis girder connection structure according to claim 3, wherein the axle center of said support shaft is higher than said girder.

5. A frame and chassis girder connection structure according to claim 3, wherein two groups of said support bases are arranged at left and right intervals, and the outer side faces of each of said support bases are correspondingly and fixedly connected with the inner side faces of said girders on the same side; the support shaft spans across the two support bases.

6. A frame to chassis frame connection according to any one of claims 3 to 5, wherein the support structure further comprises:

the supporting top seat is rotatably sleeved on the supporting shaft, and the top surface of the supporting top seat is connected with the frame structure.

7. The frame and chassis frame connection structure of claim 6, wherein two sets of support jacks are arranged at left and right intervals and are correspondingly positioned above the support base.

8. A frame to chassis frame connection according to any one of claims 1 to 5, wherein the hinge structure comprises:

the hinged base is connected with the inner side surface of the girder;

the upper hinge seat and the lower hinge seat are provided with shaft holes which have the same shaft center and are parallel to the length direction of the girder; and

the hinge shaft is inserted in the shaft hole, the lower hinge seat is connected to the top of the hinge base, and the top surface of the upper hinge seat is connected with the frame structure.

9. The frame and chassis frame connection structure of claim 8, wherein two sets of hinge bases are disposed at left and right intervals, and an outer side of each hinge base is fixedly connected with an inner side of the frame on the same side.

10. The frame and chassis frame connection structure of any one of claims 1-5, wherein the hinge structure and the support structure are arranged at intervals along the length direction of the frame, the support structure is connected to the bottom of the frame structure and forms two left and right support points with supporting function, the hinge structure is connected to the bottom of the frame structure and forms a hinge point, and the support points and the hinge point form a triangle torsion balance structure.