CN216833906U - Installing support and electric motor car chassis for chassis - Google Patents

Abstract

The utility model provides a installing support and electric motor car chassis for chassis relates to chassis equipment technical field for the electric motor car, and the scheme of adoption is: the base plate is provided with a first buffer block, the first buffer block is connected with a connecting piece, a connecting hole is formed in the connecting piece, the connecting hole is used for being connected with each component on a chassis, the left side and the right side of the connecting piece are respectively provided with a second buffer block, the second buffer block is detachably connected with the base plate, and the first buffer block and the second buffer block are both made of elastic materials. The utility model discloses can realize part and frame flexonics on the chassis, effectively alleviate the frame and pass through the impact load that the support transmitted for each part.

Description

Mounting bracket for chassis and electric vehicle chassis

technical field

The utility model relates to the field of electric vehicle chassis assembly, in particular to an installation bracket for a chassis and an electric vehicle chassis.

Background technique

Most of the various components on the chassis of the electric vehicle are connected to the frame through rigid mounting brackets. Not only the irregular arrangement leads to cluttered arrangement of the wiring harness, but also the rigid mounting bracket has a large torsional deformation along with the frame, and has no vibration damping and buffering effect. When driving, the impact on the components on the chassis, especially the precise electrical components, is relatively large, affecting its service life and working accuracy; in addition, although the existing electric vehicle chassis has good versatility, because the battery pack is arranged above the frame and the center of mass is If it is too high, it will lead to uphill and downhill working conditions, especially under overload conditions, the axle load distribution of the vehicle is unreasonable, and it is easy to cause the problem of insufficient braking force of the front axle, which is a potential safety hazard.

Therefore, in view of the current situation of the above-mentioned existing technologies, it is an urgent problem to develop a mounting bracket for a chassis and an electric vehicle chassis.

The above information disclosed in this Background section is only for understanding of the background of the inventive concept and therefore it may contain information that does not form the prior art.

Utility model content

In order to overcome the above-mentioned deficiencies in the prior art, the utility model provides a mounting bracket for a chassis and an electric vehicle chassis, which can reduce the torsional deformation of the mounting bracket along with the frame, and effectively reduce the transmission of the frame to each other through the mounting bracket. Shock load of the component.

The technical solution adopted by the present invention to solve the above technical problems is as follows: a mounting bracket for a chassis, comprising a bottom plate, the bottom plate is provided with a buffer block 1, the buffer block 1 is connected with a connecting piece, and a buffer block 1 is arranged on the connecting piece There are connecting holes, the connecting holes are used to connect with various components on the chassis, the left and right sides of the connecting piece are provided with two buffer blocks, the second buffer block is detachably connected to the bottom plate, and the first buffer block is connected to the bottom plate. Both the buffer blocks are made of elastic materials. The torsional deformation amount of the mounting bracket with the frame can be reduced, and the impact load transmitted by the frame to each component through the mounting bracket can be effectively reduced.

Further, the connecting piece is an n-shaped structure, the connecting piece includes a connecting plate, the bottom surface of the connecting plate is provided with an outer plate and an inner plate that are parallel to each other, the outer plate is a triangular structure, and the outer plate is The left and right sides are provided with the second buffer block, and the inner side plate is connected with the first buffer block. It can realize vibration reduction in the left, right, front and rear directions of the connecting piece to ensure better buffering effect.

Further, the first buffer block has the same structure as the second buffer block, and both include a buffer layer 1, a reinforcement plate is arranged on the buffer layer 1, a buffer layer 2 is arranged on the reinforcement plate, and the buffer layer 1 is provided. Both the buffer layer 1 and the buffer layer 2 are made of rubber material, the buffer layer 1 of the buffer block 1 is vulcanized and bonded to the bottom plate, the buffer layer 2 of the buffer block 1 is vulcanized and bonded to the inner side plate, and the buffer block 1 is vulcanized and bonded to the inner side plate. Both of the second buffer layers are in contact with the outer plate. It can ensure that the first and second buffer blocks have a certain strength and a better vibration damping and buffering effect.

Further, one end of the second buffer block away from the connecting piece is an installation end, the installation end is provided with a clamping block, the bottom plate is correspondingly provided with two installation plates, and the installation plate is provided with a clamping slot, so The card block can be matched with the card slot. Can be easily disassembled.

Further, the outer plate is provided with a weight reduction hole. It can realize the lightweight of the whole vehicle.

The utility model also provides a trolley chassis, which includes the above-mentioned mounting bracket for the chassis and a vehicle frame, and the bottom plate is installed on the inner side of the vehicle frame.

Further, it also includes a high and low voltage master controller, an electric steering pump, an electric air compressor and a thermal management module, the high and low voltage master controller, the electric steering pump, the electric air compressor and the thermal management module Integrated on the first combination bracket, the first combination bracket is connected with the chassis mounting bracket located under the cab; it also includes a parking brake and an auxiliary air system, a drive axle controller, the parking brake, The auxiliary air system and the drive axle controller are integrated on a second combination bracket, and the second combination bracket is connected with the chassis mounting bracket arranged in the middle of the frame. Through the compact arrangement of the first and second combined brackets, the integrated and modular design simplifies the assembly process, improves the product qualification rate, and reduces the cost of the whole vehicle; and the cab can be turned over to realize the maintenance of the corresponding parts, which increases the maintenance convenience and Waterproof.

Further, a battery pack is also included, and the battery pack is fixed under the frame. It can lower the center of gravity of the chassis, making it more stable, less prone to overturning, and increasing safety.

Further, it also includes an actuator motor and a sub-frame, the sub-frame is mounted on the upper part of the vehicle frame, and the actuator motor is mounted on the sub-frame or the first combination bracket. It can keep the oil pipeline of the actuator motor efficient and avoid bending.

As can be seen from the above technical solutions, the utility model has the following advantages:

This solution provides a chassis mounting bracket and an electric vehicle chassis. The chassis mounting bracket can reduce the torsional deformation of the mounting bracket with the frame, and effectively reduce the impact load transmitted by the frame to each component through the mounting bracket; Buffer blocks 1 and 2 are provided with reinforcing plates and buffer layers 1 and 2 to make them have certain strength and better buffering effect; by combining brackets 1 and 2, the integration is improved, the cost of the whole vehicle is reduced and maintenance is convenient; Installation under the frame can improve chassis stability; by installing the actuator motor on the subframe or on the combination bracket one, the actuator motor oil pipeline can be kept efficient and avoid bending.

Description of drawings

In order to illustrate the technical solutions of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the description. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, which are very important in the art. For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a mounting bracket for a chassis in a specific embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a connector in a specific embodiment of the present invention.

3 is a schematic structural diagram of an electric vehicle chassis in a specific embodiment of the present invention.

In the figure, 1, bottom plate, 2, connector, 3, buffer block 2, 31, buffer layer 2, 32, reinforcing plate, 33, buffer layer 1, 34, clip, 4, mounting hole, 5, connecting hole, 6. Weight reduction hole, 7. Connecting plate, 8. Mounting plate, 9. Card slot, 10. Mounting clip, 11. Mounting bracket for chassis, 12. Combination bracket 1, 13. Combination bracket 2, 14. Battery pack, 15. Inside plate, 16. Outside plate, 18. Frame.

Detailed ways

In order to make the purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the specific embodiments. Obviously, the following description The embodiments described above are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this patent.

As shown in FIG. 1 and FIG. 2 , this specific embodiment provides a mounting bracket for a chassis, including a bottom plate 1 , a connector 2 , a buffer block 1, a buffer block two 3 and a mounting clip 10 ; the bottom plate 1 is provided with a mounting hole 4 is used to connect with the frame 18, a buffer block 1 is vertically arranged on the bottom plate 1, the buffer block 1 is connected with the connecting piece 2, the connecting piece 2 is an n-shaped structure, and the connecting piece 2 includes an outer plate 16, and the outer plate 16 is a triangle Structure, the outer plate 16 is provided with weight reduction holes 6, the left and right sides of the outer plate 16 are provided with buffer blocks 2 3, the upper part of the outer plate 16 is vertically provided with a connecting plate 7, and the connecting plate 7 is provided with a connecting hole 5 for installation For each component on the bottom plate 1, the inner side plate 15 is vertically arranged at the lower part of the connecting plate 7, and the inner side plate 15 is connected with the buffer block 1; There is a reinforcing plate 32, the reinforcing plate 32 is 45# steel, a buffer layer 2 31 is arranged on the reinforcing plate 32, the buffer layer 1 33 and the buffer layer 2 31 are made of high-elasticity rubber materials, the buffer layer 1 of the buffer block 1 is connected with the bottom plate 1. The buffer layer 2 of the buffer block 1 and the inner side plate 15 are both vulcanized and bonded by the polyisocyanate method, and the bonding strength is high. The end of the second buffer block 3 away from the connecting piece 2 is the installation end, that is, the end of the buffer layer 1 33, the two sides of the installation end are provided with clamping blocks 34, and the bottom plate 1 is provided with two mounting plates at the corresponding positions 8. The mounting plate 8 is provided with a card slot 9, the card slot 9 is C-shaped, and the card block 34 can be inserted into the card slot 9 so that the buffer block 2 and the bottom plate 1 can be detachably connected; After 34 is inserted into the card slot 9 , the mounting clip 10 is slid in along the mounting plate 8 to fix the locking block 34 and the mounting plate 8 .

As shown in FIG. 3 , this specific embodiment also provides an electric vehicle chassis, which includes a plurality of the above-mentioned chassis mounting brackets 11 , a vehicle frame 18 , a second axle and an electric drive axle, and also includes a high and low voltage general controller, an electric Steering pump, electric air compressor, thermal management module, parking brake, auxiliary air system and drive axle controller; base plate 1 is installed on the inside of frame 18, high and low pressure master controller, electric steering pump, electric air compressor The engine and thermal management modules are integrated on the combined bracket one 12, and the combined bracket one 12 is connected to the chassis mounting bracket 11 under the cab; the parking brake, auxiliary air system and drive axle controller are integrated in the combined bracket two 13 On the upper side, the combination bracket 2 13 is connected with the chassis mounting bracket 11 arranged in the middle of the frame 18; it also includes a battery pack 14, which is placed in the middle of the second axle and the electric drive axle and fixed under the frame 18 through the power exchange mechanism ; Also includes an executive motor and a sub-frame, the sub-frame is installed on the upper part of the frame 18, and the executive motor is installed on the sub-frame or a combination bracket 12; a combination bracket 12 and a combination bracket 13 are welded brackets.

It can be seen from the above specific embodiment that the present utility model has the following beneficial effects:

1. The mounting bracket for the chassis can reduce the torsional deformation of the mounting bracket with the frame, and effectively reduce the impact load transmitted by the frame to each component through the mounting bracket;

2. By setting the outer plate 16 into a triangular structure, the contact area with the second buffer block 3 can be increased, and the buffering effect of the mounting bracket 11 for the chassis can be enhanced;

3. Through the buffer block 1 3, the buffer block 2 3 is provided with a reinforcing plate 32, a buffer layer 1 33, and a buffer layer 2 31 so that it has a certain strength and a better buffer effect;

4. The integration is improved by the combination bracket 12 and the combination bracket 2 13, which reduces the cost of the whole vehicle and facilitates maintenance. The chassis layout is more compact, which increases the convenience of installation and maintenance;

5. The stability of the chassis can be improved by installing the battery pack 14 under the frame;

6. By installing the executive motor on the sub-frame or on the combined bracket 12, the oil pipeline of the executive motor can be kept efficient and avoid bending.

The terms "upper", "lower", "outside", "inside", etc. (if any) in the description and claims of the present utility model and the above drawings are used to distinguish the relative relationship in position, and do not necessarily give qualitative . It is to be understood that the data so used may be interchanged under appropriate circumstances so that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A mounting bracket for a chassis, characterized in that it comprises a bottom plate (1), the bottom plate (1) is provided with a buffer block 1, the buffer block 1 is connected with a connecting piece (2), and the connecting piece (2) ) is provided with a connecting hole (5), the connecting hole (5) is used to connect with various components on the chassis, the left and right sides of the connecting piece (2) are provided with two buffer blocks (3), the buffer block The second (3) is detachably connected to the bottom plate (1), and the first buffer block and the second buffer block (3) are made of elastic materials. 2 . The mounting bracket for a chassis according to claim 1 , wherein the connecting member ( 2 ) is an n-shaped structure, and the connecting member ( 2 ) comprises a connecting plate ( 7 ), and the connecting plate ( 7) The bottom surface is provided with an outer plate (16) and an inner plate (15) that are parallel to each other, the outer plate (16) is a triangular structure, and the left and right sides of the outer plate (16) are provided with the buffer block two. (3), the inner side plate (15) is connected with the buffer block. 3. The mounting bracket for a chassis according to claim 2, wherein the first buffer block and the second buffer block (3) have the same structure, and both include a buffer layer 1 (33), and the buffer layer 1 ( 33) A reinforcing plate (32) is arranged on the reinforcing plate (32), a buffer layer two (31) is arranged on the reinforcing plate (32), and the buffer layer one (33) and the buffer layer two (31) are both made of rubber materials, The buffer layer 1 (33) of the buffer block 1 is vulcanized and bonded to the bottom plate (1), the buffer layer 2 (31) of the buffer block 1 is vulcanized and bonded to the inner side plate (15), and the buffer The second buffer layer ( 31 ) of the second block ( 3 ) is in contact with the outer side plate ( 16 ). 4. The mounting bracket for a chassis according to claim 1, wherein one end of the second buffer block (3) away from the connecting piece (2) is a mounting end, and the mounting end is provided with a clamping block (34). ), the bottom plate (1) is correspondingly provided with two mounting plates (8), the mounting plate (8) is provided with a card slot (9), and the card block (34) can be connected with the card slot (9). )Cooperate. 5 . The mounting bracket for a chassis according to claim 2 , wherein the outer side plate ( 16 ) is provided with a weight reduction hole ( 6 ). 6 . 6 . The mounting bracket for a chassis according to claim 1 , characterized in that, the bottom plate ( 1 ) is provided with mounting holes ( 4 ). 7 . 7. An electric vehicle chassis, characterized in that it comprises the chassis mounting bracket and the vehicle frame (18) according to any one of claims 1-6, and the bottom plate (1) is installed on the vehicle frame (18). 18) Inside. 8 . The electric vehicle chassis according to claim 7 , further comprising a high and low voltage master controller, an electric steering pump, an electric air compressor and a thermal management module, the high and low voltage master controller, the electric steering The pump, the electric air compressor and the thermal management module are integrated on the first combination bracket (12), and the first combination bracket (12) is connected to the chassis with a mounting bracket located under the cab; it also includes parking The brake and auxiliary air system, the drive axle controller, the parking brake, the auxiliary air system and the drive axle controller are integrated on the second combination bracket (13), the second combination bracket (13) ) is connected with the chassis arranged in the middle of the frame (18) with a mounting bracket. 9 . The electric vehicle chassis according to claim 7 , further comprising a battery pack ( 14 ), the battery pack ( 14 ) being fixed under the vehicle frame ( 18 ). 10 . 10. The electric vehicle chassis according to claim 8, further comprising an actuator motor and a sub-frame, the sub-frame is mounted on the upper part of the vehicle frame (18), and the actuator motor is mounted on the on the subframe or on the first combination bracket (12).

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