CN202389453U - Vehicular frame fixing connection piece - Google Patents

Abstract

The utility model discloses a frame fixing connector for a vehicle, which comprises an upper frame, a lower frame, and a connector body. , The U-shaped opening is fixedly connected, the shafts on both sides of the connector body are hollow round tubes, the U-shaped bottom of the connector body is a flat tube, and the two ends of the U-shaped opening of the connector body are respectively provided with flat mounting feet. and the flat mounting feet are respectively provided with mounting holes, and the mounting holes on the flat mounting feet are open slotted holes. The utility model can fixedly connect the upper and lower frames in the vehicle, improves the rigidity of the upper frame, reduces the vibration of the upper frame, improves the service life of the upper frame, and ensures the safety of the vehicle. Its installation is simple, Convenient and firm.

Description

Vehicle frame fixing connector

technical field

The utility model relates to a structural connector of an automobile body, in particular to a frame fixing connector for an automobile.

Background technique

There are some frame structures in the car body structure, there is a single frame structure, there are also upper and lower adjacent frame structures, and left and right adjacent frame structures, etc. For example, such upper and lower frames are installed in the two wings of the engine compartment The lower adjacent frame structure, usually, headlights, washing kettles, fenders, bumpers, radiators and other auto parts are installed in this area, and the weight is relatively heavy. The upper and lower frames need to have higher structural strength and rigidity. It meets the requirements of its installation function and road test. At the same time, the structural strength and rigidity of the connecting plates of the two wings of the radiator fixing frame in the engine compartment must also be guaranteed. If there is not enough structural strength and rigidity, the structure of the two wings will vibrate when the vehicle is running , and even cause cracking problems. When performing vehicle modal and stiffness tests, the dynamic stiffness of the frame where the radiator is installed is often insufficient. Therefore, in the structure of the two wings of the common engine compartment, if the upper frame and the lower The connecting structure between the frames, fixing them together is equivalent to fixing the upper frame and the lower frame into an integrated frame, which can strengthen its overall strength and rigidity, thereby providing better safety for the car to drive. Chinese patent literature has announced a "radiator frame", its authorized announcement number is CN 201126328Y, and the authorized announcement date is October 1, 2008. This scheme includes an upper guard plate, a right side plate, a lower guard plate, a left plate, the upper guard plate, the right side plate, the lower guard plate and the left plate are sequentially connected to form a rectangular structure, and the intercooler connection hole area is arranged on the groove edge of the right plate and the left plate connected with the intercooler. The connection hole area of the intercooler is provided with a protrusion, and the height of the protrusion is greater than the height of the bolts or nuts protruding from the grooves of the other left and right plates, which increases the contact area between the radiator frame and the intercooler and reduces The impact on the intercooler is reduced, and the service life of the radiator and intercooler is improved. However, this "radiator frame" solution does not strengthen the fixing of the frame or fix it with other frames.

Utility model content

The utility model aims at overcoming the problem that there is no fixed connection between the upper and lower frames of the automobile in the prior art, and the dynamic stiffness of the frame is often insufficient, and provides a simple and easy vehicle frame fixing connector that can fix the upper and lower frames .

In order to achieve the above purpose, the utility model adopts the following technical solutions: a vehicle frame fixing connector, including an upper frame, a lower frame, and a connector body, the connector body is a U-shaped rod-shaped structure, the The upper frame and the lower frame are respectively fixedly connected with the U-shaped bottom and the U-shaped opening of the connector body. In order to install many vehicle accessories, there are many frames in the car body. The positions and sizes of the frames are different. Some frames are located at a higher position in the car, which is called the upper frame. Many upper frames are limited by their positions, and a part of the entire frame is not strongly supported. The structural strength and rigidity are relatively weak, which is prone to vibration and even cracking. The cross beams and longitudinal beams of the vehicle bottom are connected and fixed, and the structural strength and rigidity are relatively strong, which is not easy to cause problems such as vibration and cracking; therefore, if the upper frame and the lower frame that are close to each other are connected together to form an integrated structure, the upper frame can be greatly improved. The structural strength and rigidity of the structure can be fixed together by a connecting piece; this kind of connecting piece is not used for carrying weight, it is used to eliminate the vibration of the upper frame, so a lighter structure can be used , the U-shaped connector is a suitable choice. The U-shaped bottom of the U-shaped rod connector and the two ends of the opening of the U-shaped rod connector are provided with three fixing points, which are fixed to the upper frame and the lower frame respectively, namely The upper frame and the lower frame can be connected together to eliminate harmful vibration; the U-shaped bar connector can be made of round steel, round tube, flat tube or stamped with steel plate, and the connection between the U-shaped bar connector and the upper frame and the lower frame can be By means of bolt connection.

Preferably, the shafts on both sides of the connector body are hollow tubes, the connector body is provided with a U-shaped bottom and shafts on both sides, the U-shaped bottom is a flat tube, and the two sides The shaft is a hollow tube, and the two ends of the U-shaped opening of the connector body are respectively provided with flat mounting feet, and the U-shaped bottom and the flat mounting feet are respectively provided with mounting holes. Using hollow round tubes to make connectors can effectively reduce the weight of the connectors while obtaining sufficient strength; the outer sides of the upper frame and the lower frame are usually flat, and the U-shaped connectors fixed to them are made at the fixing point. , can make the bolt connection between the U-shaped connector and the upper frame and the lower frame more firm; the flat tube and the flat mounting foot can be formed by rolling and flattening a hollow circular tube, and mounting holes are respectively opened on it.

As a preference, the middle part of the U-shaped bottom flat tube is a rectangular plane structure with installation holes, and the two ends of the U-shaped bottom flat tube are bent along the length direction of the rectangular plane and smoothly transition to the shaft. In the process of production and installation, there will inevitably be errors, so if the position of the installation hole can be slightly adjusted, it will be beneficial to installation; the shape of the flat tube is basically an arc, and the middle of the arc is a straight line, and the straight line is the middle of the flat tube with the installation hole. The rectangular plane structure is convenient for installing bolts; both ends of the flat tube are arc-shaped and integrated with the shaft part of the U-shaped connector, which properly reduces the stiffness of the U-shaped bottom of the U-shaped connector, making the U-shaped opening The distance between the two ends can be adjusted, so that the distance between the flat mounting feet with mounting holes at both ends of the U-shaped opening of the U-shaped connector can be adjusted, which is convenient for installation.

Preferably, the flat mounting foot and the shaft have a smooth transition, and the mounting holes on the flat mounting foot are open slotted holes. The flat mounting foot is integrated with the shaft, and the mounting hole on the flat mounting foot is slotted on the outside along the length of the shaft. The mounting hole is made into a long groove shape, which is conducive to adjusting the position during installation and brings convenience to the installation.

Therefore, the utility model has the following beneficial effects: (1) The upper and lower frames can be fixedly connected together, which improves the rigidity of the upper frame and reduces the vibration of the upper frame; (2) The installation is simple, convenient and firm.

Description of drawings

Fig. 1 is a schematic view of installation of the utility model.

Fig. 2 is a front view of the connector body of the present invention.

Fig. 3 is a side view of the connector body of the present invention.

In the figure: 1. Upper frame 2. Lower frame 3. Connector body 4. Shaft

5. Flat tube 6. Flat mounting feet 7. Mounting holes.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further.

In the embodiment shown in Figures 1 and 2, a vehicle frame fixing connector is used to connect the upper frame 1 and the lower frame 2 in the two wings of the engine compartment, and the connector body 3 is made of a hollow circular tube and bent Form a U-shaped structure, wherein the U-shaped bottom of the connector body 3 is flattened into a flat tube 5, and a circular mounting hole 7 is punched in the middle of the flat tube 5, and both ends of the U-shaped opening of the connector body 3 are flattened into a flat installation The pin 6 and the middle of the two flat mounting pins 6 are respectively punched with opening groove-shaped mounting holes 7 .

The specific implementation process is as follows. After the upper frame 1 and the lower frame 2 are fixed in the engine compartment, take the made connector body 3, and fix the U-shaped bottom flat tube 5 of the connector body 3 to the upper frame 1 with bolts. Together, the flat mounting feet 6 at both ends of the U-shaped opening of the connector body 3 and the lower frame 3 are fixed together with bolts. If there is a deviation when the flat mounting feet 6 and the lower frame 3 are fixed, adjust the connector body 3 The distance between the U-shaped open ends of the flat mounting feet 6 and the opening groove shape of the mounting holes 7 on the flat mounting feet 6 can be used to fix the flat mounting feet 6 and the lower frame 3 smoothly; when the vehicle is running, due to the upper frame 1 and the lower frame 2 Having been fixedly connected together, the rigidity is greatly enhanced, and the vibration generated by the original upper frame 1 is no longer generated, which improves the service life of the upper frame 1 and ensures the safety of the vehicle.

Claims (4)

1. A vehicle frame fixing connector, including an upper frame (1) and a lower frame (2), characterized in that it also includes a connector body (3), and the connector body (3) is a U-shaped bar The upper frame (1) and the lower frame (2) are respectively fixedly connected with the U-shaped bottom and the U-shaped opening of the connector body (3). 2. A vehicle frame fixing connector according to claim 1, characterized in that, the connector body (3) is provided with a U-shaped bottom (5) and poles (4) on both sides, the The U-shaped bottom (5) is a flat tube, the shafts (4) on both sides are hollow round tubes, and the two ends of the U-shaped opening of the connector body (3) are respectively provided with flat mounting feet (6 ), the U-shaped bottom (5) and flat mounting feet (6) are respectively provided with mounting holes (7). 3. A vehicle frame fixing connector according to claim 2, characterized in that, the middle part of the flat tube of the U-shaped bottom (5) is a rectangular plane structure with mounting holes (7), and the U-shaped bottom ( 5) Both ends of the flat tube are bent along the length direction of the rectangular plane and smoothly transition to the shaft (4). 4. A vehicle frame fixing connector according to claim 2 or 3, characterized in that the flat mounting foot (6) and the rod body (4) have a smooth transition, and the flat mounting foot (6) is installed Hole (7) is an opening slotted hole.

Images