Top cover front cross beam structure

Abstract

The utility model relates to the technical field of top cover front cross beams, and discloses a top cover front cross beam structure which comprises a cross beam main body, connecting beam assemblies are installed on the two sides of the cross beam main body, a positioning extrusion assembly is movably installed on the back face of the cross beam main body, and the cross beam main body comprises an L-shaped fixing plate. An air guide pipe is fixedly connected to the inner side of the L-shaped fixing plate, a connecting pipe is fixedly connected to the back face of the air guide pipe, a suction cup is fixedly connected to the back face of the connecting pipe, and one-way electromagnetic valves are fixedly connected to the two sides of the air guide pipe; a positioning extrusion assembly is drawn close to a top plate, a telescopic plate is extruded towards the inner side, then the telescopic plate is completely contracted into a positioning groove, and then the telescopic plate is clamped into a limiting square groove in the downward extrusion process, so that a top cover is fixed through a cross beam; and the fixed top cover and the cross beam can be welded without a positioning device, so that the time for splicing and welding the automobile frame is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of the front crossbeam of a vehicle roof, and more particularly to a structure of the front crossbeam of a vehicle roof. Background Art

[0002] The front crossbeam of a vehicle roof is an important part of the vehicle roof structure, mainly playing roles such as supporting the vehicle roof, increasing the stiffness of the vehicle roof, reducing vibrations during vehicle driving, and enhancing the snow pressure resistance of the vehicle roof in snowstorm weather. At the same time, it is also one of the important structures for side impact safety, capable of transmitting and dispersing collision forces during a collision to protect the safety of passengers.

[0003] During the process of assembling an existing vehicle, the front crossbeam of the vehicle roof is welded to the supporting vehicle roof through welding equipment. During the welding process, the overall vehicle frame is positioned and pieced together through a positioning device and then welded. However, this kind of splicing and positioning requires a large amount of time for position adjustment, which is not convenient for ensuring the rapid production of the vehicle frame. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a structure of the front crossbeam of a vehicle roof to solve the problems existing in the above-mentioned background art.

[0005] The utility model provides the following technical solutions: a structure of the front crossbeam of a vehicle roof, including a crossbeam main body, connecting beam assemblies are installed on both sides of the crossbeam main body, a positioning and pressing assembly is movably installed on the back surface of the crossbeam main body. The crossbeam main body includes an L-shaped fixing plate, an air guide pipe is fixedly connected to the inner side of the L-shaped fixing plate, a connecting pipe is fixedly connected to the back surface of the air guide pipe, a suction cup is fixedly connected to the back surface of the connecting pipe, one-way solenoid valves are fixedly connected to both sides of the air guide pipe, and exhaust pipes are fixedly connected to the sides of the one-way solenoid valves away from the air guide pipe.

[0006] Further, the connecting beam assembly includes a connecting beam main body, a positioning square groove is formed on the front surface of the connecting beam main body, positioning holes are formed on both sides of the positioning square groove, and a limiting square groove is formed on the side of the connecting beam main body close to the crossbeam main body.

[0007] Further, the positioning and pressing assembly includes a positioning and pressing plate, positioning grooves are formed on both sides of the positioning and pressing plate, springs are fixedly connected to the inner sides of the positioning grooves, limiting plates are fixedly connected to the sides of the springs away from the positioning and pressing plate, and telescopic plates are fixedly connected to the sides of the limiting plates away from the springs.

[0008] Further, the bottom of the positioning and pressing assembly is on the same plane as the bottom of the L-shaped fixing plate, the center of the positioning and pressing plate is at the same point as the center of the L-shaped fixing plate, and the diameter of the back surface of the suction cup is matched with the height of the positioning and pressing assembly.

[0009] Furthermore, there is a tolerance fit between the shape and size of the limiting square groove and those of the telescopic plate, the size of the positioning square groove matches the shape of the one-way solenoid valve, and the shape and size of the positioning hole match those of the air duct.

[0010] Furthermore, there is a tolerance fit between the cross-sectional size inside the positioning groove and that of the limiting plate, and a tolerance fit between the cross-sectional size of the opening of the positioning groove and that of the telescopic plate.

[0011] Technical effects and advantages of the present utility model:

[0012] In the present utility model, the car roof to be positioned is placed on the back of the suction cup, and then by pressing the roof, the suction cup is pressured to descend. Then, under the pressure of the suction cup, the gas passes through the air duct, the one-way solenoid valve, and the exhaust pipe and is discharged. Since the gas inside the suction cup is discharged, a negative pressure state is formed inside the suction cup, causing the roof to be fixed by the suction cup under the action of atmospheric pressure. Then, by moving the positioning extrusion assembly closer to the top plate and squeezing the telescopic plate inward, the telescopic plate is completely contracted into the positioning groove. Then, during the downward extrusion process, the telescopic plate is clamped into the limiting square groove, and thus the fixing of the roof by the cross beam can be completed. Welding between the fixed roof and the cross beam can be carried out without the aid of a positioning device, which helps to save the time for assembling and welding the car frame. Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is a schematic sectional view of the overall structure of the present utility model.

[0015] Figure 3 It is a schematic sectional structure diagram of the cross beam main body of the present utility model.

[0016] Figure 4 It is a schematic structure diagram of the connecting beam assembly of the present utility model.

[0017] Figure 5 It is a schematic sectional structure diagram of the positioning extrusion assembly of the present utility model.

[0018] Reference numerals are: 1, cross beam main body; 101, L-shaped fixing plate; 102, air duct; 103, one-way solenoid valve; 104, exhaust pipe; 105, suction cup; 106, connecting pipe; 2, connecting beam assembly; 201, connecting beam main body; 202, positioning square groove; 203, positioning hole; 204, limiting square groove; 3, positioning extrusion assembly; 301, positioning extrusion plate; 302, positioning groove; 303, spring; 304, limiting plate; 305, telescopic plate. Detailed implementation mode

[0019] The technical solutions in the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. In addition, the forms of each structure described in the following embodiments are merely examples, and the top cover front crossbeam structure involved in the present utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0020] Refer to Figures 1 to 5 , the present utility model provides a top cover front crossbeam structure, which includes a crossbeam main body 1. Connecting beam assemblies 2 are installed on both sides of the crossbeam main body 1. A positioning and pressing assembly 3 is movably installed on the back of the crossbeam main body 1. The crossbeam main body 1 includes an L-shaped fixing plate 101. An air guide pipe 102 is fixedly connected to the inner side of the L-shaped fixing plate 101. A connecting pipe 106 is fixedly connected to the back of the air guide pipe 102. A suction cup 105 is fixedly connected to the back of the connecting pipe 106. One-way solenoid valves 103 are fixedly connected to both sides of the air guide pipe 102. An exhaust pipe 104 is fixedly connected to the side of the one-way solenoid valve 103 away from the air guide pipe 102.

[0021] In a preferred embodiment, the connecting beam assembly 2 includes a connecting beam main body 201. A positioning square groove 202 is opened on the front of the connecting beam main body 201. Positioning holes 203 are opened on both sides of the positioning square groove 202. A limiting square groove 204 is opened on the side of the connecting beam main body 201 close to the crossbeam main body 1.

[0022] In a preferred embodiment, the positioning and pressing assembly 3 includes a positioning and pressing plate 301. Positioning grooves 302 are opened on both sides of the positioning and pressing plate 301. Springs 303 are fixedly connected to the inner sides of the positioning grooves 302. A limiting plate 304 is fixedly connected to the side of the spring 303 away from the positioning and pressing plate 301. A telescopic plate 305 is fixedly connected to the side of the limiting plate 304 away from the spring 303; Place the automobile top cover to be positioned on the back of the suction cup 105, and then press the top cover to make the suction cup 105 descend under pressure. Then, under the pressure of the suction cup 105, the gas passes through the air guide pipe 102 through the one-way solenoid valve 103 and the exhaust pipe 104 and is discharged. And since the gas inside the suction cup 105 is discharged, the inside of the suction cup 105 is in a negative pressure state, so that the top cover is fixed by the suction cup 105 under the action of the atmospheric pressure. Then, by moving the positioning and pressing assembly 3 closer to the top plate and squeezing the telescopic plate 305 inward, the telescopic plate 305 is completely retracted into the positioning groove 302. Then, during the downward extrusion process, the telescopic plate 305 is clamped into the limiting square groove 204, and the fixing of the crossbeam to the top cover can be completed. That is, the welding between the fixed top cover and the crossbeam can be carried out without using a positioning device, which is convenient for saving the time for assembling and welding the automobile frame.

[0023] In a preferred embodiment, the bottom of the positioning and pressing assembly 3 is on the same plane as the bottom of the L-shaped fixing plate 101, the center of the positioning and pressing plate 301 is at the same point as the center of the L-shaped fixing plate 101, and the diameter of the back surface of the suction cup 105 matches the height of the positioning and pressing assembly 3.

[0024] In a preferred embodiment, there is a tolerance fit between the shape and size of the limiting square groove 204 and the shape and size of the telescopic plate 305, the size of the positioning square groove 202 matches the shape of the one-way solenoid valve 103, and the shape and size of the positioning hole 203 match the shape and size of the air duct 102.

[0025] In a preferred embodiment, there is a tolerance fit between the cross-sectional size inside the positioning groove 302 and the cross-sectional size of the limiting plate 304, and a tolerance fit between the cross-sectional size of the opening of the positioning groove 302 and the cross-sectional size of the telescopic plate 305.

[0026] The working principle of the present utility model: During the splicing process, first place the car roof to be positioned on the back surface of the suction cup 105, then press the roof to cause the suction cup 105 to descend under pressure. Then, under the pressure of the suction cup 105, the gas passes through the air duct 102, through the one-way solenoid valve 103 and the exhaust pipe 104 and is discharged. Since the gas inside the suction cup 105 is discharged, the inside of the suction cup 105 is in a negative pressure state, causing the roof to be fixed by the suction cup 105 under the action of atmospheric pressure. Then, move the positioning and pressing assembly 3 towards the top plate and squeeze the telescopic plate 305 inward, causing the telescopic plate 305 to completely contract into the positioning groove 302. Then, during the downward pressing process, the telescopic plate 305 is snapped into the limiting square groove 204, thus completing the fixation of the cross beam to the roof. In this way, welding can be carried out between the fixed roof and the cross beam without the aid of a positioning device, which helps to save the time for assembling and welding the car frame.

[0027] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. The terms "up", "down", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change;

[0028] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A front crossbeam structure of a roof, comprising a crossbeam body (1), characterized in that: Connecting beam assemblies (2) are installed on both sides of the crossbeam body (1), a positioning extrusion assembly (3) is movably installed on the back of the crossbeam body (1), the crossbeam body (1) comprises an L-shaped fixing plate (101), an air guide tube (102) is fixedly connected to the inner side of the L-shaped fixing plate (101), a connecting tube (106) is fixedly connected to the back of the air guide tube (102), a suction cup (105) is fixedly connected to the back of the connecting tube (106), a one-way solenoid valve (103) is fixedly connected to both sides of the air guide tube (102), and an exhaust pipe (104) is fixedly connected to the side of the one-way solenoid valve (103) away from the air guide tube (102).

2. The front cross beam structure of the roof according to claim 1, characterized in that: The connecting beam assembly (2) comprises a connecting beam body (201), a positioning square groove (202) is provided on the front of the connecting beam body (201), positioning holes (203) are provided on both sides of the positioning square groove (202), and a limiting square groove (204) is provided on one side of the connecting beam body (201) close to the cross beam body (1).

3. The front cross beam structure of the roof according to claim 2, characterized in that: The positioning and extrusion assembly (3) comprises a positioning and extrusion plate (301), both sides of the positioning and extrusion plate (301) are provided with positioning grooves (302), the inner side of the positioning groove (302) is fixedly connected with a spring (303), the side of the spring (303) away from the positioning and extrusion plate (301) is fixedly connected with a limiting plate (304), and the side of the limiting plate (304) away from the spring (303) is fixedly connected with a telescopic plate (305).

4. The front cross beam structure of the roof according to claim 3, characterized in that: The bottom of the positioning and extrusion assembly (3) and the bottom of the L-shaped fixing plate (101) are on the same plane, the center of the positioning and extrusion plate (301) and the center of the L-shaped fixing plate (101) are at the same point, and the diameter of the back of the suction cup (105) and the height of the positioning and extrusion assembly (3) match each other.

5. The front cross beam structure of the roof according to claim 3, characterized in that: The shape and size of the limiting square groove (204) and the shape and size of the telescopic plate (305) are matched with each other in tolerance, the size of the positioning square groove (202) and the shape of the one-way solenoid valve (103) are matched with each other, and the shape and size of the positioning hole (203) and the shape and size of the air guide tube (102) are matched with each other.

6. The front cross beam structure of the roof according to claim 3, characterized in that: The cross-sectional dimensions inside the positioning groove (302) and the cross-sectional dimensions of the limiting plate (304) are matched with each other in tolerance, and the cross-sectional dimensions of the opening of the positioning groove (302) and the cross-sectional dimensions of the telescopic plate (305) are matched with each other in tolerance.

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