CN212047577U - Frame assembly and frame assembly thereof - Google Patents

Abstract

The utility model relates to the field of electric automobile manufacturing, and discloses a frame assembly and a frame assembly thereof, wherein the frame assembly comprises a frame body, the frame body comprises crossbearers (100) and a plurality of stringers (200) connected between the crossbearers, and more than one fixing frame (300) is arranged on each crossbearer; one end of the fixing frame is a connecting end used for being fixed with the cross frame, and the other end of the fixing frame is a fixing end used for connecting and fixing vehicle parts at a preset position of the frame body. The utility model discloses a set up more than one mount on the frame subassembly, with the integrated assembly of pencil and equipment unit spare, simple structure is compact.

Description

Frame assembly and frame assembly thereof

Technical Field

The utility model relates to an electric automobile makes technical field, specifically relates to frame subassembly and frame assembly thereof.

Background

The pure electric vehicle replaces an engine of a traditional vehicle with a motor, so a new bracket is developed according to different power assemblies, the torque of the pure electric vehicle is greatly different from that of a fuel vehicle at present, and the working conditions of the bracket of the power assembly are also greatly different. The modes are the natural vibration characteristics of the mechanical structure, and each mode has a specific natural frequency, damping ratio and mode shape. The conventional powertrain support usually has a mode not reaching 300HZ, that is, the resonant frequency of the conventional powertrain support is below 300HZ, so that the vibration noise of the automobile is large. In addition, because the structure and the pencil of each part in the automobile body are all relatively complicated, independently install fixedly respectively in prior art, can't modularization and integrated processing, bring inconvenience in different degrees for assembly and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the degree of integrating that prior art exists is low, the noise is big, providing frame subassembly and frame assembly thereof, through set up more than one mount on frame subassembly, with the integrated assembly of pencil and equipment subassembly, simple structure is compact.

In order to achieve the above object, an aspect of the present invention provides a frame assembly, including a frame body, the frame body including a cross frame and a plurality of stringers connected between the cross frame, the cross frame having more than one fixing frame; one end of the fixing frame is a connecting end used for being fixed with the cross frame, and the other end of the fixing frame is a fixing end used for connecting and fixing vehicle parts at a preset position of the frame body.

Preferably, at least one vehicle component can be fixed on one fixing frame.

Preferably, the fixed frame is provided with fins for increasing the natural vibration frequency of the frame assembly.

Preferably, the fixing frame comprises a heater mounting bracket, the connecting end is a horizontal plate body fixed in the length direction of the cross frame, and the fixing end is a fixing groove which is used for accommodating the heater and is bent inwards at two sides connected with the horizontal plate body.

Preferably, vibration-proof sheets for preventing the heat sink from vibrating in the longitudinal direction of the cross frame are vertically connected to both sides of the horizontal plate body, and bottom edges of the vibration-proof sheets are fixed to the upper surfaces of the fixing grooves.

Preferably, the fixing groove is provided at an upper surface thereof with a fin for increasing a natural frequency of vibration of the frame assembly.

Preferably, the fin and the shockproof sheet are of the same sheet structure.

Preferably, a plurality of through holes for the penetration and fixation of pipelines or wiring harnesses are formed in the cross frame and the stringers.

Preferably, the frame component is a power battery support assembly, and the power battery support assembly is fixedly installed in a front cabin of the electric automobile.

The utility model discloses the second aspect provides a frame assembly, frame assembly includes as above the frame subassembly.

Through above-mentioned technical scheme, through set up more than one mount on the frame subassembly, with the integrated assembly of pencil and equipment subassembly, simple structure is compact.

Drawings

Fig. 1 is a schematic view of an overall structure of a frame assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in the direction A;

fig. 3 is a schematic view of the structure in the direction B of fig. 1.

Description of the reference numerals

100 horizontal frame 200 stringer 300 fixed frame 301 horizontal plate 302 fixed groove 303 shockproof sheet 310 fin 500 through hole 600 mounting hole

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" generally refer to the inner and outer relative to the profile of the components themselves; "distal and proximal" generally refer to distance relative to the contour of the components themselves.

As shown in fig. 1 in combination with fig. 2 and fig. 3, an aspect of the present invention provides a vehicle frame assembly, which includes a vehicle frame body, the vehicle frame body includes crossbearers 100 and a plurality of stringers 200 connected between the crossbearers 100, and more than one fixing frame 300 is disposed on the crossbearers 100. Since the types and structures of the vehicle components to be fixed by the fixing frame 300 are different, the shapes of the fixing frames 300 are not completely the same, but the overall structure of the fixing frame 300 for fixing any vehicle component includes a connecting end and a fixing end. Therefore, the utility model discloses a set up more than one mount on the frame subassembly, with the integrated assembly of pencil and equipment unit spare, simple structure is compact.

Specifically, for the convenience of fixing, one end of the fixing frame 300 is a connecting end for fixing to the cross frame 100, and the other end is a fixing end for connecting and fixing vehicle components to a predetermined position of the frame body. In view of the variety and structure of the vehicle interior components, in order to make the assembly structure more reasonable and compact, at least one of the vehicle components can be fixed on one of the fixing frames 300. That is, one component may be fixed on one fixing frame 300, or two or more components may be fixed according to needs. In practical application, the selection can be carried out according to the model number of the vehicle and the assembly arrangement requirement. The vehicle component comprises a pipeline, a wiring harness or an equipment assembly; wherein the wire harness may further include a high voltage wire harness and a low voltage wire harness. In order to facilitate the fixing and ensure the compact structure, the cross frame 100 and the stringer 200 are further provided with a plurality of through holes 500 for the pipe or the wire harness to pass through and be fixed. The conduit, wiring harness or equipment assembly may be secured by fasteners such as: the bolts and nuts correspondingly arranged are fixed on the fixing frame 300, or can be positioned by penetrating through the through holes, or can be further penetrated through the through holes after being fixed by the fasteners to extend or change the fixing positions, and different mounting and fixing methods can be selected according to different requirements of the assembling positions. As shown in fig. 1 in combination with fig. 2, in order to improve the mode of the frame assembly, the fixing frame 300 is further provided with fins 310 for increasing the natural vibration frequency of the frame assembly. In addition, mounting holes 600 for facilitating mounting of vehicle parts are provided in the cross member 100 and the stringers 200.

A specific structure of one holder 300 among the plurality of holders 300 will be briefly described below. Referring to fig. 1, 2 and 3, one of the fixing frames 300 is a heater mounting bracket, the connecting end is a horizontal plate 301 fixed in the length direction of the cross frame 100, and the fixing end is a fixing groove 302 connected to the horizontal plate 301 and bent inward at both sides for accommodating a heater. Vibration-proof pieces 303 for preventing the heat sink from vibrating in the longitudinal direction of the cross frame 100 are vertically connected to both sides of the horizontal plate body 301, and the bottom edges of the vibration-proof pieces 303 are fixed to the upper surfaces of the fixing grooves 302. In order to make the structure more compact without adding more weight and cost to the frame assembly, in the present embodiment, the shock-absorbing plate 303 and the aforementioned fin 310 for increasing the natural frequency of vibration of the frame assembly are the same pair of plate pieces. Of course, in other embodiments, the shockproof sheet 303 and the fin 310 may be different sheets in arrangement position and shape.

In the embodiment shown in fig. 1, fig. 2 and fig. 3, the second aspect of the present invention provides that the frame component is a power battery support assembly, and the battery support assembly is installed in a front cabin of the power vehicle and supports a plurality of power control units. The cross frame 100 and the purlin 200 in the frame body of the battery support assembly are both formed by welding and splicing square steel sections and stamping plates, and the fixing frame arranged on the frame body comprises a heater support, a high-voltage wiring harness mounting support and a plurality of air conditioner pipeline mounting holes and low-voltage wiring harness mounting holes. The battery bracket assembly can meet the installation requirements of equipment components including controllers such as an OBC (on-board battery charger), a DCDC inverter, a heater and the like through structures such as a fixing frame, a through hole, an installation hole and the like arranged on a frame component, and can ensure the installation of a high-voltage wire harness of a pure electric vehicle, and the whole state is safe and reliable; and through setting up the fin that increases the natural vibration frequency of frame subassembly, the vibrations between isolation power assembly and the main cabin prevent the mutual influence between each subassembly, can realize the mode 300HZ, support motor torque 280 N.m.

The utility model discloses the third aspect provides a frame assembly, frame assembly includes as above the frame subassembly. Because the battery support assembly is installed in the front engine room of the power automobile, the stability of the power assembly of the pure electric automobile can be stronger, and the vibration of the front engine room of the automobile can be effectively reduced. Can provide the support for pure electric automobile power assembly simultaneously, be fit for the water-cooled electric motor car of battery, compare with traditional electric automobile's frame assembly, the utility model provides a frame assembly can realize modal 300HZ, effectively reduces the resonance that the vehicle takes place in the use, improves and takes the travelling comfort.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The utility model discloses an in the technical conception scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, for example, can change the aperture and the position etc. of the shape and the position of mount, through-hole and mounting hole according to actual conditions. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (10)

1. A vehicle frame assembly comprising a frame body, characterized in that the frame body comprises crossbearers (100) and a plurality of stringers (200) connected between the crossbearers (100), wherein more than one fixing frame (300) is arranged on the crossbearers (100);

one end of the fixing frame (300) is a connecting end used for being fixed with the cross frame (100), and the other end of the fixing frame is a fixing end used for connecting and fixing vehicle parts at a preset position of the frame body.

2. A frame assembly according to claim 1, wherein at least one of said vehicle components is fixed to one of said mounts (300).

3. A frame assembly according to claim 1, wherein the mounting (300) is provided with fins (310) for increasing the natural frequency of vibration of the frame assembly.

4. The frame assembly of claim 1, wherein the fixing frame (300) comprises a heater mounting bracket, the connecting end is a horizontal plate body (301) fixed in the length direction of the cross frame (100), and the fixing end is a fixing groove (302) which is connected with the horizontal plate body (301) and is bent inwards at two sides and used for accommodating a heater.

5. A frame assembly according to claim 4, characterized in that anti-vibration sheets (303) for preventing the radiator from vibrating in the length direction of the cross frame (100) are vertically connected to both sides of the horizontal plate body (301), and the bottom edges of the anti-vibration sheets (303) are fixed on the upper surfaces of the fixing grooves (302).

6. A frame assembly according to claim 5, wherein the upper surface of the fixing groove (302) is provided with fins (310) for increasing the natural vibration frequency of the frame assembly.

7. The frame assembly of claim 6, wherein the fin (310) and the anti-rattle patch (303) are of a common sheet structure.

8. The frame assembly according to claim 1, characterized in that the cross frame (100) and the stringer (200) are provided with a plurality of through holes (500) for the passage and fixation of pipes or wire harnesses.

9. The frame component of claim 1, wherein the frame component is a power battery bracket assembly fixedly mounted within a front cabin of an electric vehicle.

10. A frame assembly, characterized in that it comprises a frame component according to any of claims 1-9.

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