CN207029295U - A kind of light-duty vehicle subframe - Google Patents

Abstract

The utility model discloses a sub-frame for light-duty automobiles in the technical field of auto parts, comprising a rear frame, a front frame is installed at the bottom of the rear frame, a clamping post is installed at the center of the bottom of the rear frame, and the rear frame The left and right sides of the frame are provided with suspension installation grooves, the inner cavity of the suspension installation groove is provided with a suspension installation boss, and the inner cavity of the suspension installation boss is horizontally provided with a suspension installation hole, and the rear frame It is welded by aluminum alloy plate, and the front frame is welded by steel plate with high tensile strength, so that the sub-frame is 25% lighter than the traditional sub-frame, which can reduce the weight of the car. The weight of the car body reduces the energy consumption of the car. The suspension mounting groove is set on the rear frame, and then connected to the car suspension bracket through the suspension mounting hole, which improves the stability of the structure and brings good suspension connection stiffness. , the invention is easy to use, reduces the weight of the automobile body, and saves energy.

Description

Subframe for a light vehicle

technical field

The invention relates to the technical field of auto parts, in particular to an auxiliary frame for a light-duty automobile.

Background technique

The subframe can be regarded as the skeleton of the front and rear axles, and is an integral part of the front and rear axles. The sub-frame is not a complete frame, but a bracket that supports the front and rear axles and suspension, so that the axle and suspension pass through it and then connect with the "positive frame", which is customarily called "sub-frame". The function of the sub-frame is to block vibration and noise and reduce its direct entry into the compartment, so it mostly appears on luxury cars and off-road vehicles, and some cars are also equipped with a sub-frame for the engine. In the traditional load-bearing body without subframe, the suspension is directly connected with the steel plate of the body. Therefore, the suspension rocker mechanism of the front and rear axles is all parts, not an assembly. After the subframe is born, the front and rear suspensions can be assembled on the subframe first to form an axle assembly, and then the assembly is installed on the body together. The existing sub-frames are all made of steel plates, which greatly increases the weight of the sub-frame, thereby increasing the weight of the car body and improving the energy consumption of the car. Therefore, we propose a sub-frame for light vehicles .

Contents of the invention

The object of the present invention is to provide a light-duty automobile subframe to solve the problem that the existing subframe proposed in the above background technology is made of steel plates, which greatly increases the weight of the subframe, thereby increasing the weight of the automobile body. The weight of the car increases the energy consumption of the car.

In order to achieve the above object, the present invention provides the following technical solutions: a sub-frame for light-duty automobiles, including a rear frame, a front frame is installed on the bottom of the rear frame, and the left and right sides of the upper surface of the front frame are symmetrically opened with body Mounting holes, the top left and right sides of the rear frame are provided with sleeves, the center of the bottom of the rear frame is provided with clamping posts, and the left and right sides of the upper surface of the rear frame are provided with adjustment holes. The inner cavity of the adjustment hole is provided with an adjusting bolt, and the left and right sides of the rear frame are provided with suspension mounting grooves, and the inner cavity of the suspension mounting groove is provided with a suspension mounting boss, and the suspension mounting boss A suspension mounting hole is opened transversely in the inner cavity of the front frame, and a suspension hook is arranged at the central position of the front surface of the front frame.

Preferably, the front frame is welded by steel plates with high tensile strength, and the rear frame is welded by aluminum alloy plates.

Preferably, the two sets of suspension mounting grooves are all formed by machining.

Preferably, the suspension mounting bosses are four groups with the same structure, and the four groups of suspension mounting bosses are symmetrically arranged in the inner cavities of the two groups of suspension mounting grooves.

Preferably, the surfaces of the rear frame and the front frame are both provided with an anti-corrosion layer, and the anti-corrosion layer is an epoxy resin layer.

Compared with the prior art, the beneficial effect of the present invention is: a light-duty automobile subframe proposed by the present invention, the rear frame is welded by aluminum alloy plates, and the front frame is welded by steel plates with high tensile strength , so that the sub-frame is 25% lighter than the traditional sub-frame, which can reduce the weight of the car body and reduce the energy consumption of the car. The front frame made of steel plate is connected to the body , the rear frame made of aluminum alloy plate is connected with the car suspension bracket, the rear frame is provided with a suspension mounting groove, and then connected with the car suspension bracket through the suspension mounting hole, which improves the stability of the structure, thus bringing The suspension connection rigidity is very good, the invention is convenient to use, reduces the weight of the automobile body, and saves energy.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

In the figure: 1 Rear frame, 2 Front frame, 3 Body mounting holes, 4 Sleeve, 5 Clamp post, 6 Adjusting bolt, 7 Adjusting hole, 8 Suspension mounting boss, 9 Suspension mounting hole, 10 Suspension hook, 11 Suspension mounting slot.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1, the present invention provides a kind of technical proposal: a kind of sub-frame for light-duty automobiles, comprises rear frame 1, and the bottom of described rear frame 1 is equipped with front frame 2, and the upper surface of described front frame 2 left and right two sides There are vehicle body installation holes 3 in lateral symmetry, sleeves 4 are arranged on the left and right sides of the top of the rear frame 1, and a clamp post 5 is installed at the bottom center of the rear frame 1, and the upper surface of the rear frame 1 Both left and right sides are provided with adjustment holes 7, the inner chamber of the adjustment holes 7 is provided with adjustment bolts 6, the left and right sides of the rear frame 1 are provided with suspension mounting slots 11, and the suspension mounting slots 11 The inner cavity is provided with a suspension mounting boss 8, and the inner cavity of the suspension mounting boss 8 is provided with a suspension mounting hole 9 transversely, and a suspension hook 10 is arranged at the central position of the front surface of the front frame 2.

Wherein, the front frame 2 is welded by steel plates with high tensile strength, and the rear frame 1 is welded by aluminum alloy plates, so that the sub-frame is 100% lighter than the traditional sub-frame Twenty-five, thereby reducing the weight of the automobile body and reducing the energy consumption of the automobile. The suspension installation grooves 11 of the two groups are all formed by processing and forming, which improves the mechanical strength of the suspension installation groove 11 and prevents suspension The breakage of the frame mounting groove 11 fixes the car suspension bracket through the suspension mounting hole 9 on the suspension mounting boss 8 to improve the firmness of the installation. The suspension mounting bosses 8 are four groups with the same structure, four The suspension mounting bosses 8 of one group are respectively arranged symmetrically in the inner cavities of the two groups of suspension mounting grooves 11, so that the automobile suspension bracket is installed more firmly, and the surfaces of the rear frame 1 and the front frame 2 are provided with anti-corrosion layer, and the anti-corrosion layer is an epoxy resin layer. The epoxy resin layer has good corrosion resistance and good wear resistance, which improves the service life of the sub-frame.

Working principle: Connect the car body through the body mounting hole 3 on the front frame 2, install the car suspension bracket in the suspension mounting groove 11 on the rear frame 1, and then install the suspension on the boss 8 through the suspension The mounting hole 9 fixes the suspension bracket of the car, which improves the stability of the structure. The rear frame 1 is welded by aluminum alloy plates, and the front frame 2 is welded by steel plates with high tensile strength, so that the sub-frame is relatively The weight of the traditional sub-frame is 25% lighter, which can reduce the weight of the car body and reduce the energy consumption of the car.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of light-duty vehicle subframe, including after-frame（1）, it is characterised in that：The after-frame（1）Bottom side arm is installed （2）, the side arm（2）Upper surface at left and right sides of be symmetrically provided with vehicle body mounting hole（3）, the after-frame（1）Top or so two Side is provided with sleeve（4）, the after-frame（1）Lower center position card column is installed（5）, the after-frame（1）Upper surface The left and right sides be provided with adjustment hole（7）, the adjustment hole（7）Inner chamber be provided with regulating bolt（6）, the after-frame（1）'s The left and right sides is provided with suspension mounting groove（11）, the suspension mounting groove（11）Inner chamber be provided with suspension installation base（8）, institute State suspension installation base（8）Inner chamber be laterally provided with suspension mounting hole（9）, the side arm（2）Preceding face center position set There is hanged hook（10）.

A kind of 2. light-duty vehicle subframe according to claim 1, it is characterised in that：The side arm（2）Using drawing high The higher steel plate of intensity is welded, the after-frame（1）It is welded using aluminium alloy plate.

A kind of 3. light-duty vehicle subframe according to claim 1, it is characterised in that：Suspension mounting groove described in two groups （11）It is process using machine-shaping.

A kind of 4. light-duty vehicle subframe according to claim 1, it is characterised in that：The suspension installation base（8） For four groups of structure identical, suspension installation base described in four groups（8）It is symmetrically arranged at two groups of suspension mounting grooves（11）It is interior Chamber.

A kind of 5. light-duty vehicle subframe according to claim 1, it is characterised in that：The after-frame（1）And side arm（2） Surface be provided with corrosion-resistant coating, and corrosion-resistant coating is epoxy resin layer.