Connecting piece for automobile front anti-collision beam, front anti-collision beam and front anti-collision beam assembly

Abstract

The utility model provides a connecting piece for a front anti-collision beam of an automobile, the front anti-collision beam and a front anti-collision beam assembly, and the connecting piece comprises a connecting piece which is provided with a first connecting part which is used for being connected with the front anti-collision beam assembly; according to the technical scheme, the front anti-collision beam assembly has the advantages that the first connecting portion is connected with the front anti-collision beam assembly, a connecting portion is added to the front anti-collision beam assembly, when the front face of a vehicle body is assembled, the front anti-collision beam assembly is connected with the first connecting portion, and therefore the front anti-collision beam assembly can be welded to the front anti-collision beam assembly. The first welding part replaces the positioning reference of the front longitudinal beam and becomes a new positioning reference, the first welding part is provided with a plurality of welding positions, when the front face of the vehicle body is installed, the positioning part of the front face of the vehicle body can be in contact with the connecting piece, welding of the positioning part of the front face of the vehicle body and the connecting piece can be completed, adjustment is not needed any more, and installation is convenient. And the front face assembling reference of the whole vehicle is ensured, and the Z-direction reference precision is stable.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle body frames, and in particular to a connecting piece for a front anti-collision beam of an automobile, a front anti-collision beam and a front anti-collision beam assembly. Background Art

[0002] At present, the domestic automobile industry has developed greatly in recent years, and the technical level of various automobile manufacturers has also been greatly improved. Lightweight, modularization and integration are also increasingly valued and recognized by various OEMs. The front-end module is widely used by major automobile manufacturers because it is relatively independent and relatively easy to modularize. It changes the shortcomings of the traditional sheet metal welded front-end frame, such as heavy weight, many parts, and complicated stamping and welding processes. At present, the more popular front-end modules in the automotive industry are all made of plastic injection molding. In some places, they are processed by adding sheet metal brackets or combining sheet metal parts with plastic parts through injection molding.

[0003] Although the one-piece front-end module has greatly improved in terms of lightweight and processing procedures compared to the traditional sheet metal frame, the radiator needs to be installed on the frame, and the dimensional accuracy is not well controlled during installation. It often takes a lot of effort and time to adjust the installation position to meet the installation requirements. In the prior art, the Z-direction installation reference of the front face of the vehicle body is on the front longitudinal beam, but the installation accuracy is unstable due to the large size, which affects the achievement of the DTS accuracy of the front face. Utility Model Content

[0004] In view of the shortcomings of the prior art mentioned above, the purpose of the utility model is to provide a connecting part, a front bumper beam and a front bumper beam assembly for a front bumper beam of an automobile, which is used to solve the problem in the prior art that the Z-direction mounting base of the front face of the vehicle body is mounted on the front longitudinal beam, but the mounting accuracy is unstable due to the excessive size, thereby affecting the achievement of the DTS accuracy of the front face.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a connecting piece for a front anti-collision beam of an automobile, comprising:

[0006] A connecting piece, the connecting piece having a first connecting portion, the first connecting portion being used to connect to the front anti-collision beam assembly;

[0007] The connecting sheet further comprises a first welding portion which is arranged away from the first connecting portion, and the first welding portion comprises a welding position for welding.

[0008] Optionally, the connecting piece is in the shape of an elongated strip, the first welding portion and the first connecting portion are arranged along the height direction of the connecting piece and are respectively located on both sides of the connecting piece, the first welding portion has a plurality of welding positions arranged in sequence, and the arrangement direction of each of the welding positions intersects with the length direction of the connecting piece;

[0009] There are two first welding portions, and the two first welding portions are respectively located at two ends of the connecting piece along the length direction;

[0010] The first connecting portion is provided with a first connecting hole for connecting with a front anti-collision beam of the automobile with bolts.

[0011] The present application also provides a front anti-collision beam, comprising a connecting piece as described in any one of the above, and also comprising an anti-collision beam body and an energy absorption box connected to the anti-collision beam body, two connecting pieces are arranged on each of the energy absorption boxes, and the two connecting pieces are respectively arranged on two opposite sides of the energy absorption box in the vehicle width direction, the length direction of the connecting piece is arranged along the length direction of the energy absorption box, and the first welding portion of the connecting piece protrudes from the upper surface of the energy absorption box in the vehicle height direction.

[0012] Optionally, a second connecting hole is provided on the energy absorbing box corresponding to the connecting piece, and the first connecting portion is detachably provided on the energy absorbing box through the second connecting hole;

[0013] One end of the energy absorption box is connected to the anti-collision beam body, and the other end of the energy absorption box is provided with a screw connection structure for connecting with the vehicle body, and the screw connection structure is arranged along the vehicle width direction.

[0014] The present application also provides a front bumper beam assembly, comprising a front bumper beam as described in any one of the above, and also comprising a connecting bracket, the connecting bracket comprising a second welding portion, the connecting bracket being welded to the first welding portion through the second welding portion, the connecting bracket comprising a second connecting portion for connecting to the front face of the entire vehicle, the second connecting portion being located above the energy absorption box.

[0015] Optionally, the second connection portion and the second welding portion are both in sheet shape, and edges on opposite sides of the second connection portion extend in a direction perpendicular to the second connection portion to form the second welding portions respectively, and the two second welding portions on the connection bracket are respectively welded to the two connection pieces on the corresponding energy absorption box;

[0016] The distance between the two second welding parts on the connecting bracket is A, the distance between the two connecting pieces on the energy absorption box corresponding to the connecting bracket is B, A is greater than B, and the difference between A and B is 0.5 mm to 1 mm.

[0017] Optionally, an inclined guide ear is provided on an edge of the second welding portion away from the second connecting portion, and a tip of the guide ear is arranged away from the energy absorption box relative to a root of the guide ear.

[0018] Optionally, a guide rib is provided on the connecting plate extending along the vehicle height direction and protruding away from the energy absorption box, and a guide recess is provided on the second welding portion corresponding to the guide rib and extending along the vehicle height direction, the guide rib cooperates with the guide recess, and the guide rib is at least partially accommodated in the guide recess.

[0019] Optionally, the second connecting portion is provided with a group of positioning holes for positioning when welding with the connecting piece, and the second connecting portion is also provided with a group of mounting holes for mounting the front face of the entire vehicle.

[0020] Optionally, an extension portion is provided on the edge of the second welding portion and extends along the vehicle length direction, and a plane where the extension portion is located is parallel to the second welding portion.

[0021] As described above, the beneficial effects brought about by the technical solution in the utility model include at least: a connecting plate is set, including a first welding part and a first connecting part, the first connecting part is connected to the front anti-collision beam assembly, and a connecting part is added to the front anti-collision beam assembly. When the front face of the vehicle body is assembled, the first welding part replaces the positioning reference of the front longitudinal beam and becomes a new positioning reference. A plurality of welding positions are arranged on the first welding part. When the front face of the vehicle body is installed, as long as the positioning part of the front face of the vehicle body can contact with the connecting plate, the welding of the positioning part of the front face of the vehicle body and the connecting plate can be completed without further adjustment, thereby ensuring the assembly reference of the front face of the entire vehicle, and the Z-direction reference accuracy is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of a connecting piece and a front anti-collision beam of an exemplary embodiment of the utility model;

[0023] Figure 2 Shown as an exemplary embodiment of the present invention Figure 1 The enlarged schematic diagram at A in the middle;

[0024] Figure 3 Shown is a schematic diagram of a connecting bracket structure of an exemplary embodiment of the utility model;

[0025] Figure 4 Shown is a schematic diagram of the structure of a front anti-collision beam assembly of an exemplary embodiment of the utility model;

[0026] Figure 5 Shown as an exemplary embodiment of the present invention Figure 4 Enlarged schematic diagram of point B in the middle.

[0027] Part Number Description

[0028] 1. Connecting piece; 101. First connecting part; 102. First welding part; 103. Guide rib; 2. Anti-collision beam body; 3. Energy absorption box; 4. Screw structure; 5. Connecting bracket; 501. Second welding part; 502. Second connecting part; 503. Second welding point; 504. Guide ear; 505. Guide depression; 506. Positioning hole group; 507. Mounting hole group; 508. Extension part. DETAILED DESCRIPTION

[0029] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0030] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention, and thus the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0031] See also Figure 1 and Figure 2 The utility model provides a connecting piece for a front bumper beam of an automobile, comprising: a connecting piece 1, the connecting piece 1 having a first connecting portion 101, the first connecting portion 101 being used to connect with a front bumper beam assembly; the connecting piece 1 also having a first welding portion 102 arranged away from the first connecting portion 101, the first welding portion 102 having a welding position for welding.

[0032] In one embodiment of the present application, specifically, the connecting part includes a connecting plate 1, on which a first connecting portion 101 and a first welding portion 102 are arranged, the first connecting portion 101 and the first welding portion 102 are integrally formed, the first connecting portion 101 and the front anti-collision beam are detachably connected, the first welding portion 102 is a sheet structure, and the first welding portion 102 is a welding plate as a whole, and welding can be performed at any position from top to bottom of the first welding portion 102, which facilitates welding of the first welding portion 102 and the connecting bracket 5, adjusts the welding height, and sets the first welding portion 102, which makes it easier to weld the energy absorption box 3 and the vehicle body, and the welding connection structure is tighter, reduces the vibration of the objects, and improves the stability.

[0033] The connecting piece 1 is in the shape of a long strip. When the connecting piece 1 is installed and used, the first welding portion 102 is located at the upper part of the connecting piece 1, the first connecting portion 101 is located at the lower part of the connecting piece 1, and the first welding portion 102 is located above the first connecting portion 101. The first welding portion 102 has a plurality of welding positions arranged in sequence, and the arrangement direction of each welding position intersects with the length direction of the connecting piece 1. The first welding portion 102 is respectively located at the left and right ends of the connecting piece 1, and a plurality of first welding points are vertically arranged on the first welding portion 101 (that is, a row of first welding points is vertically arranged on the first welding portion 101), and welding can be performed from top to bottom or from bottom to top along the Z direction.

[0034] In one embodiment of the present application, specifically, the first welding portion 102 and the first connecting portion 101 are both long strip structures, and the first welding portion 102 is located above the first connecting portion 101 .

[0035] In one embodiment of the present application, specifically, there are two first welding portions 102 , and the two first welding portions 102 are respectively located at two ends of the connecting sheet 1 , and the two first welding portions 102 are both located on the connecting sheet 1 .

[0036] In one embodiment of the present application, specifically, the first connecting part 101 is provided with a first connecting hole for connecting with a front bumper beam of a car with bolts, and two first connecting holes are provided, and the two first connecting holes are arranged in parallel, and the fixing bolts fix the first connecting part 101 to the energy absorption box through the first connecting holes.

[0037] See also Figure 1 and Figure 2 The present application also provides a front anti-collision beam, including the above-mentioned connecting piece, and also includes an anti-collision beam body 2 and an energy absorption box 3 connected to the anti-collision beam body 2, two connecting pieces are arranged on each energy absorption box 3, and a total of two energy absorption boxes 3 are arranged on the front anti-collision beam body 2, a total of four connecting pieces, the two connecting pieces are respectively arranged on the two opposite sides of the energy absorption box 3 in the vehicle width direction, the length direction of the connecting piece is arranged along the length direction of the energy absorption box 3, and the first welding portion 102 of the connecting piece protrudes from the upper surface of the energy absorption box 3 in the vehicle height direction. The first welding portion 102 protruding from the upper surface of the energy absorption box 3 is more convenient for welding, and avoids the energy absorption box 3 blocking the first welding portion 102 and making it impossible to weld.

[0038] In one embodiment of the present application, specifically, a second connecting hole is provided on the energy absorption box 3 corresponding to the connecting plate 1, the first connecting portion 101 is detachably provided on the energy absorption box 3 through the second connecting hole, the first connecting hole and the second connecting hole are overlapped, and the fixing bolts pass through the first connecting hole and the second connecting hole to fix the first connecting portion 101 on the energy absorption box 3.

[0039] In one embodiment of the present application, specifically, one end of the energy absorption box 3 is connected to the anti-collision beam body 2, and the other end of the energy absorption box 3 is provided with a screw structure 4 for connecting to the vehicle body, and the screw structure 4 is arranged along the vehicle width direction. The end of the energy absorption box 3 connected to the front longitudinal beam is provided with at least three first bolt holes, and the first bolt holes are all arranged through the Y-direction sides of the energy absorption box 3, and the end of the front longitudinal beam connected to the energy absorption box 3 is provided with at least three second bolt holes, and the second bolt holes are arranged through the Y-direction sides of the front longitudinal beam. In this embodiment, there are three first bolt holes and three second bolt holes, and the fixing bolts pass through the first bolt holes and the second bolt holes at the same time to fix the energy absorption box 3 and the front longitudinal beam together, the first bolt hole is opened in the Y-direction of the energy absorption box 3 (that is, the vehicle width direction), and the second bolt hole is opened in the Y-direction of the front longitudinal beam (vehicle width direction).

[0040] See also Figure 3 , Figure 4 and Figure 5 The present application also provides a front anti-collision beam assembly, including the front anti-collision beam as described above, and also including a connecting bracket 5, the connecting bracket 5 including a second welding portion 501, the connecting bracket 5 is welded to the first welding portion 102 through the second welding portion 501, the connecting bracket 5 includes a second connecting portion 502 for connecting to the front face of the whole vehicle, the second connecting portion 502 is located above the front anti-collision beam energy absorption box 3, a connecting bracket 5 is provided, the connecting bracket 5 is welded and fixed by the second welding portion 501 and the first welding portion 102, the two first welding portions 102 on the connecting sheet 1 are both vertically provided with a plurality of first welding points, and the second Two second welding points are laterally arranged on the welding part 501, and each second welding point on the second welding part 501 corresponds to a first welding part (that is, each first welding part corresponds to a second welding point), and the specific selection is made according to the installation requirements of the front face of the whole vehicle. The second welding point can be selectively welded to the first welding point at one of the height positions of the first welding part 102, and the Z-direction second welding point 503 position of the connecting bracket 5 is adjusted according to the height between the front face of the whole vehicle and the front anti-collision beam, thereby providing an assembly reference for the front face of the whole vehicle, and the Z-direction reference accuracy is stable, which can well guarantee the DTS accuracy of the front face.

[0041] See also Figure 3 The second connecting portion 502 and the second welding portion 501 are both sheet-shaped, and the edges on the opposite sides of the second connecting portion 502 extend in a direction perpendicular to the second connecting portion 502 to form two second welding portions 501, respectively. The two second welding portions 501 are respectively welded to the two connecting pieces on the front bumper beam energy absorption box 3.

[0042] In one embodiment of the present application, specifically, the connecting bracket 5 is a U-shaped structural plate, the two ends of the connecting bracket 5 are bent 90° to form a second welding portion 501, the middle portion of the connecting bracket 5 is the second connecting portion 502, and two second welding points 503 are provided on the two second welding portions 501, and the two second welding points 503 are respectively located in the middle position of the left and right ends of the second welding portion 501, and the four second welding points 503 on the two second welding portions 501 are respectively welded to the four first welding points of the two connecting sheets 1 by welding, and a chamfer is also provided at the bending portion of the connecting bracket 5.

[0043] An inclined guide ear 504 is provided on an edge of the second welding portion 501 away from the second connecting portion 502 , and a tip of the guide ear 504 is arranged away from the energy absorbing box 3 relative to a root of the guide ear 504 .

[0044] In one embodiment of the present application, specifically, two guide ears 504 are provided on the edges of the two second welding portions 501 away from the second connecting portion 502, and the two guide ears 504 are respectively located at the left and right ends of the second welding portion 501, and the guide ears 504 are inclined, and the guide ears 504 are inclined in a direction away from the energy absorption box 3. In the installation and use scenario, the distance between the upper end of the guide ear 504 and the energy absorption box is C, and the distance between the lower end of the guide ear 504 and the energy absorption box is D, and D is larger than C.

[0045] A guide rib 103 extending along the vehicle height direction and protruding away from the energy absorption box 3 is provided on the connecting plate 1. A guide recess 505 extending along the vehicle height direction is provided on the second welding portion 501 corresponding to the guide rib 103. The guide rib 103 cooperates with the guide recess 505, and the guide rib 103 is at least partially accommodated in the guide recess 505.

[0046] In one embodiment of the present application, specifically, the two connecting pieces 1 are provided with guide ribs 103, the two guide ribs 103 protrude in opposite directions, and the guide ribs 103 are arranged along the width direction of the connecting piece 1 (that is, arranged along the vehicle height and Z direction), and the two second welding parts 501 of the connecting bracket 5 are both recessed with guide recesses 505, and the two guide recesses 505 are arranged in opposite directions, and the two guide recesses 505 are arranged along the width direction of the second welding part 501 (that is, arranged along the vehicle height and Z direction), and the two guide recesses The recesses 505 are respectively recessed along the protruding directions of the two guide ribs 103. Each guide recess 505 is used to accommodate a corresponding guide rib 103. Each guide recess 505 corresponds to a guide rib 103. When the connecting bracket 5 is installed, the two guide ribs 103 are accommodated inside the guide recesses 505. The guide ribs 103 and the guide recesses 505 are provided to avoid the connecting bracket 5 being unable to accurately wrap the two connecting sheets 1 when the connecting bracket 5 is installed, causing one end of the connecting bracket 5 to fall into the gap between the connecting sheet 1 and the energy absorption box 3.

[0047] In one embodiment of the present application, specifically, a positioning hole group 506 is provided on the second connecting portion 502 for positioning when welding with the connecting plate 1. The positioning hole group 506 includes two positioning holes arranged in parallel, which are positioned by a clamp and then welded to ensure the welding accuracy between the connecting bracket 5 and the connecting plate 1.

[0048] In one embodiment of the present application, specifically, a mounting hole group 507 for mounting the front face of the entire vehicle is provided on the second connecting portion 502 .

[0049] In one embodiment of the present application, specifically, the distance between the two second welding portions 501 on the connecting bracket is A, the distance between the two connecting plates 1 on the energy absorption box corresponding to the connecting bracket is B, A is greater than B, and the difference between A and B is 0.5mm to 1mm. In this embodiment, A is 0.5mm larger than B to ensure the assemblability of the connecting bracket 5.

[0050] In one embodiment of the present application, specifically, an extension portion 508 is extended along the vehicle length direction on the edge of the second welding portion 501, and the plane where the extension portion 508 is located is parallel to the second welding portion 501. The extension portion 508 is used to set the second welding point 503, which can ensure that the welding position will not be located at the edge of the second welding portion 501, thereby ensuring the strength of the welding, while reducing the overall gravity of the connecting bracket 5, and allowing the connecting bracket 5 to adapt to more vehicle models.

[0051] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A connector for a front anti-collision beam of an automobile, characterized in that: include: A connecting piece, the connecting piece having a first connecting portion, the first connecting portion being used to connect to the front anti-collision beam assembly; The connecting sheet further comprises a first welding portion which is arranged away from the first connecting portion, and the first welding portion comprises a welding position for welding.

2. The connecting piece for the front anti-collision beam of an automobile according to claim 1, characterized in that: The connecting piece is in the shape of a long strip, the first welding portion and the first connecting portion are arranged along the height direction of the connecting piece and are respectively located on both sides of the connecting piece, the first welding portion has a plurality of welding positions arranged in sequence, and the arrangement direction of each of the welding positions intersects with the length direction of the connecting piece; There are two first welding portions, and the two first welding portions are respectively located at two ends of the connecting piece along the length direction; The first connecting portion is provided with a first connecting hole for connecting with a front anti-collision beam of the automobile with bolts.

3. A front anti-collision beam, characterized in that: It includes the connecting piece as described in any one of claims 1 to 2, and also includes an anti-collision beam body and an energy absorption box connected to the anti-collision beam body, two connecting pieces are arranged on each of the energy absorption boxes, and the two connecting pieces are respectively arranged on two opposite sides of the energy absorption box in the vehicle width direction, the length direction of the connecting piece is arranged along the length direction of the energy absorption box, and the first welding portion of the connecting piece protrudes from the upper surface of the energy absorption box in the vehicle height direction.

4. The front anti-collision beam according to claim 3, characterized in that: A second connecting hole is provided on the energy absorbing box corresponding to the connecting piece, and the first connecting portion is detachably provided on the energy absorbing box through the second connecting hole; One end of the energy absorption box is connected to the anti-collision beam body, and the other end of the energy absorption box is provided with a screw connection structure for connecting with the vehicle body, and the screw connection structure is arranged along the vehicle width direction.

5. A front anti-collision beam assembly, characterized in that: It includes the front anti-collision beam as described in any one of claims 3-4, and also includes a connecting bracket, the connecting bracket includes a second welding part, the connecting bracket is welded to the first welding part through the second welding part, the connecting bracket includes a second connecting part for connecting to the front face of the entire vehicle, and the second connecting part is located above the energy absorption box.

6. The front anti-collision beam assembly according to claim 5, characterized in that: The second connection portion and the second welding portion are both in sheet shape, and the edges of the second connection portion on opposite sides extend in a direction perpendicular to the second connection portion to form the second welding portions respectively, and the two second welding portions on the connection bracket are respectively welded to the two connection pieces on the corresponding energy absorption box; The distance between the two second welding parts on the connecting bracket is A, the distance between the two connecting pieces on the energy absorption box corresponding to the connecting bracket is B, A is greater than B, and the difference between A and B is 0.5 mm to 1 mm.

7. The front anti-collision beam assembly according to claim 5, characterized in that: An inclined guide ear is arranged on an edge of the second welding portion away from the second connecting portion, and a tip of the guide ear is arranged away from the energy absorbing box relative to a root of the guide ear.

8. The front anti-collision beam assembly according to claim 5, characterized in that: The connecting plate is provided with a guide rib extending along the vehicle height direction and protruding away from the energy absorption box. The second welding portion is provided with a guide recess extending along the vehicle height direction corresponding to the guide rib. The guide rib cooperates with the guide recess, and the guide rib is at least partially accommodated in the guide recess.

9. The front anti-collision beam assembly according to claim 5, characterized in that: The second connecting portion is provided with a group of positioning holes for positioning when welding with the connecting piece, and the second connecting portion is also provided with a group of mounting holes for mounting the front face of the entire vehicle.

10. The front anti-collision beam assembly according to claim 5, characterized in that: An extension portion is provided on the edge of the second welding portion and extends along the vehicle length direction, and a plane where the extension portion is located is parallel to the second welding portion.

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