CN217945335U

CN217945335U - Fender mounting bracket structure

Info

Publication number: CN217945335U
Application number: CN202222065754.8U
Authority: CN
Inventors: 柴金霞
Original assignee: Avatr Technology Chongqing Co Ltd
Current assignee: Avatr Technology Chongqing Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-02
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to the technical field of auto parts, in particular to a fender mounting bracket structure, which comprises a mounting plate outer plate, a first fender bracket connected on the mounting plate outer plate and a second fender bracket connected on the first fender bracket; the second fender bracket is connected with the first fender bracket; the top of the first fender bracket is provided with a first connecting surface; the second wing plate bracket comprises a first flat plate part connected to the first connecting surface and a second flat plate part vertically connected with the first flat plate part; the plane where the first flat plate part is located is parallel to the first connecting surface; the third fender bracket is connected to the second flat plate portion. The utility model discloses having optimized fender support integrated configuration, can realizing that multidirectional absorption tolerance is accumulative total, satisfied fender assembly function size requirement, guaranteed that the fender assembly is back in the poor DTS requirement that satisfies of front shroud clearance face.

Description

Fender mounting bracket structure

Technical Field

The utility model relates to an auto-parts technical field, more specifically relates to a fender installing support structure.

Background

Generally speaking, the automobile body adopts the mixed automobile body of steel aluminium, the regional anterior segment structure in automobile body cabin is by the front longitudinal, preceding frame connector, the shock tower, fender support mounting panel inner panel, fender support mounting panel planking, and 3 fender supports (fender support I, fender support II and fender support III) are constituteed, wherein fender support I is a supply of goods assembly with fender support mounting panel inner panel, fender support II is a supply of goods assembly with fender support mounting panel planking, fender support III is solitary supply of goods state. The front longitudinal beam is an aluminum alloy section, the front frame connecting piece and the damping tower are cast aluminum parts, and the rest are sheet metal parts.

Based on a welding process strategy, after the damping tower is connected with the front longitudinal beam and the front frame connecting piece, because the precision of each part has a certain tolerance (plus or minus 0.5 mm) and the overlapping area is large, the Y direction and the Z direction of the damping tower are overturned, and the tolerance can reach plus or minus 2.0. The fender support mounting plate inner plate is connected with the damping tower and overturns along the Y direction and the Z direction further along with the damping tower, and the tolerance achievement capacity is +/-2.5. Then the outer plate and the inner plate of the fender bracket mounting plate are welded to cause the Y-direction and Z-direction overturning of the fender bracket, the tolerance achievement capability is Y-direction +/-4 mm, and the Z-direction +/-2.5 mm. The requirement that the size of the assembling function of the fender is plus or minus 1.2mm cannot be met, and the gap surface difference between the assembled fender and the front cover is serious.

The connecting support for eliminating the mounting clearance and the surface difference of the fender is disclosed as the prior art, the surface of the support body is a mounting surface connected with the fender mounting support, a bolt through hole is formed in the middle and upper position of the mounting surface, a projection welding nut through hole is formed in the lower end of the mounting surface, a projection welding nut is arranged on the back surface of the mounting surface corresponding to the projection welding nut through hole, and a welding part attached to a front frame of an engine room is formed in the upper end of the support body in a downward bending mode. Although the connecting support for eliminating the fender mounting gap and the surface difference can be connected with the fender mounting support and the front protective plastic mounting support together through the bolts and the projection welding nuts, the phenomenon that the gap and the surface difference caused by the rebounding of the fender in the Y direction exceed the dimensional tolerance range is controlled, the connecting support for eliminating the fender mounting gap and the surface difference can only control the tolerance range in one direction, and the precision control in multiple directions cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art fender installation clearance face poor extreme technical problem of discrepancy provides one kind can multidirectional absorption tolerance accumulation, improves fender installation required precision's fender installing support structure.

In order to solve the technical problem, the utility model discloses a technical scheme is: a fender mounting bracket structure comprises a mounting plate outer plate, a first fender bracket connected to the mounting plate outer plate and a second fender bracket connected to the first fender bracket; the second fender bracket is connected with the first fender bracket; the top of the first fender bracket is provided with a first connecting surface; the second wing plate bracket includes a first flat plate portion connected to the first connection surface and a second flat plate portion connected perpendicular to the first flat plate portion; the plane where the first flat plate part is located is parallel to the first connecting surface; the third fender bracket is connected to the second flat plate portion.

The utility model discloses first fender leg joint is on the mounting panel planking, second fender support connection is on first fender support, third fender support connection is on second fender support, cooperation through the first flat board of the first connection face on the first fender support and second fender support can install second fender support on the top of first fender support, third fender support connection is on the second flat board of second fender support, because second flat board and first flat board mutually perpendicular set up, the plane and the first connection face at first flat board place are parallel to each other, make first fender support through such structure setting, second fender support and third fender support assemble on the mounting panel planking according to two at least different directions, and then can realize multidirectional absorption tolerance at the in-process of assembly, only can absorb tolerance in a direction among the prior art of comparison, but the required precision of the improvement installation of very big degree.

Preferably, the first fender bracket includes a first mounting portion and a second mounting portion that are vertically connected to each other; the first mounting part is connected to the mounting plate outer plate; and the second mounting part is connected with a fourth fender bracket.

Preferably, the plane of the second mounting portion is perpendicular to the first connecting surface.

Preferably, the first mounting part is provided with at least one first mounting hole; the mounting plate outer plate is provided with a first connecting hole corresponding to the first mounting hole.

Preferably, the second mounting part is provided with at least one second mounting hole; and a second connecting hole which corresponds to the second mounting hole is formed in the fourth fender bracket.

Preferably, the first flat plate portion is welded to the first connecting surface, and at least one welding site is distributed on the first flat plate portion.

Preferably, the second flat plate portion is provided with at least one third mounting hole; and a third connecting hole which can correspond to the third mounting hole is formed in the third fender bracket.

Preferably, the second mounting part is connected with a bending part; the bending part is attached to and connected with the first installation part.

Preferably, the second mounting portion and the bending portion are integrally formed.

Preferably, the second fender bracket is of a similar L-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The utility model optimizes the combined structure of the fender bracket, realizes the accumulation of multidirectional absorption tolerance by reasonably distributing the mounting positions of the first fender bracket, the second fender bracket, the third fender bracket and the fourth fender bracket, and greatly improves the mounting precision of the fender;

2) The utility model discloses the three direction precision of X, Y, the Z of third fender support and fourth fender support can all be controlled within 1.2mm, satisfies fender assembly function dimensional requirement, guarantees that the fender assembly back satisfies the DTS requirement in the difference of front shroud clearance face.

Drawings

FIG. 1 is a schematic view of a front structure of a cabin region of a vehicle body in the prior art;

fig. 2 is a schematic structural view of the fender mounting bracket structure of the present invention;

fig. 3 is a schematic structural view of a first fender bracket according to the present invention;

FIG. 4 is a schematic view of a connection structure between a first fender bracket and an outer plate of a mounting plate according to the present invention;

FIG. 5 is a schematic view of a second fender bracket according to the present invention;

fig. 6 is a schematic view illustrating a connection structure of the second fender bracket and the first fender bracket according to the present invention;

fig. 7 is a schematic structural view of a third fender bracket according to the present invention;

fig. 8 is a schematic view illustrating a connection structure between a third fender bracket and a second fender bracket according to the present invention;

fig. 9 is a schematic structural view of a fourth fender bracket according to the present invention;

fig. 10 is a schematic view of a connection structure between the fourth fender bracket and the first fender bracket according to the present invention.

In the drawings: 1-mounting a plate outer plate; 11-a first connection hole; 2-a first fender support; 21-a first mounting portion; 211-a first connection face; 212-first mounting hole; 22-a second mounting portion; 221-a second mounting hole; 23-bending part; 231-fixing holes; 3-a second fender bracket; 31-a first flat plate portion; 311-weld site; 32-a second flat plate portion; 321-a third mounting hole; 4-a third fender bracket; 41-third connection hole; 5-a fourth fender bracket; 51-second connection hole; 101-front longitudinal beam; 102-a front frame coupling; 103-a shock tower; 104-fender bracket mounting plate inner panel; 105-a fender bracket mounting plate outer panel; 106-fender bracket I; 107-fender support II; 108-fender support iii.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

as shown in fig. 1, the vehicle body cabin area front section structure includes a front longitudinal beam 101, a front frame coupling member 102, a shock tower 103, a fender bracket mounting plate inner plate 104, a fender bracket mounting plate outer plate 105, and three fender brackets, where the three fender brackets are a fender bracket 106, a fender bracket 107, and a fender bracket 108, respectively, where the fender bracket 106 and the fender bracket mounting plate inner plate 104 are a supply assembly, the fender bracket 107 and the fender bracket mounting plate outer plate 105 are a supply assembly, and the fender bracket 108 is in an individual supply state, where the front longitudinal beam 101 is an aluminum alloy profile, the front frame coupling member 102 and the shock tower 103 are cast aluminum, and the rest are sheet metal members.

Firstly, the shock absorption tower 103 is connected with the front longitudinal beam 101 and the front frame connecting piece 102, the Y-direction and Z-direction overturning of the shock absorption tower 103 is caused due to the fact that the precision of each part has a certain tolerance (+ -0.5 mm) and the overlapping area is large, the tolerance achievement capacity is +/-2.0 mm, then the fender bracket mounting plate inner plate 104 is connected with the shock absorption tower 103, the Y-direction and Z-direction overturning is further carried out along with the shock absorption tower 103, and the tolerance achievement capacity is +/-2.5 mm. Then, welding the fender bracket mounting plate outer plate 105 with the fender bracket mounting plate inner plate 104 to cause Y-direction and Z-direction overturning of the fender bracket, wherein the tolerance achievement capacity is Y-direction +/-4 mm, and Z-direction +/-2.5 mm. Through the structure, the requirement that the size of the assembling function of the fender can not meet plus or minus 1.2mm is met, and the gap surface difference between the assembled fender and the front cover is serious.

Example 1

As shown in fig. 2 to 10, an embodiment 1 of a fender mounting bracket structure includes a mounting plate outer panel 1, a first fender bracket 2, a second fender bracket 3, and a third fender bracket 4, wherein the first fender bracket 2 is connected to the mounting plate outer panel 1, the second fender bracket 3 is connected to the first fender bracket 2, and the third fender bracket 4 is connected to the second fender bracket 3.

Wherein set up at least one first mounting hole 212 on the first fender support 2, be equipped with on the mounting panel planking 1 can with the first connecting hole 11 that first mounting hole 212 corresponds, first mounting hole 212 sets up three altogether in this embodiment, wherein first connecting hole 11 also sets up three.

When installing first fender support 2 on mounting panel planking 1, pass through welding jig location X with first fender support 2 to with Z to, be about to on three first mounting hole 212 on first fender support 2 corresponds three first connecting hole 11 on the mounting panel planking 1 respectively to through three bolt with first fender support 2 connection corresponding mounted position department on mounting panel planking 1, set up like this and can absorb tolerance accumulation X to and Z to.

The top of the first fender bracket 2 is provided with a first connecting surface 211, the first connecting surface 211 is located at the top of the first mounting portion 21, wherein the first connecting surface 211 is horizontally disposed, and the second fender bracket 3 is connected to the first connecting surface 211.

Specifically, the second fin bracket 3 includes a first flat plate portion 31 and a second flat plate portion 32, wherein the first flat plate portion 31 and the second flat plate portion 32 are disposed perpendicular to each other, specifically, a long side of the first flat plate portion 31 is connected with a long side of the second flat plate portion 32 through a chamfered connection portion, that is, the second fin bracket 3 is in a similar "L" shaped structure.

The first flat plate portion 31 is connected to the first connection surface 21, and a plane of the first flat plate portion 31 is parallel to a plane of the first connection surface 21, specifically, the first flat plate portion 31 is welded on the first connection surface 211, at least one welding point 311 is distributed on the first flat plate portion 21, and in this embodiment, four welding points 311 are distributed on the first flat plate portion 21.

When installing second fender support 3 on first fender support 2, pass through welding jig location X to and Y to second fender support 3, weld on first fender support 2 through four welding point 311, it can absorb Y to the tolerance accumulation to set up like this.

The third fender bracket 4 is connected to the second fender bracket 32, wherein at least one third mounting hole 321 is formed in the second fender bracket 32, and third connection holes 41 which can correspond to the third mounting holes 321 are formed in the third fender bracket 4, two third mounting holes 321 are formed in the embodiment, and two third connection holes 41 are also formed in the third fender bracket 4, when the third fender bracket 4 is connected to the second fender bracket 3, the third fender bracket 4 is positioned in the X direction and the Z direction through welding fixtures, that is, the third connection holes 41 in the third fender bracket 4 correspond to the third mounting holes 321 in the second fender bracket 32, and the third fender bracket 4 is connected to the second fender bracket 3 through two bolts, so that tolerance accumulation in the X direction and the Z direction can be absorbed.

The welding fixture is a general operating tool for those skilled in the art, and can conveniently position the corresponding bracket at an accurate position, and the structure and principle of the welding fixture are not described in detail herein.

The determination standards of the X direction, the Y direction and the Z direction adopt common determination regulations in the field, namely the length direction of the automobile is the X direction, the width direction of the automobile is the Y direction, and the height direction of the automobile is the Z direction.

The utility model discloses a concrete theory of operation does:

first process, the utility model discloses before using the installation, be connected fender support mounting panel inner panel and shock tower, then weld mounting panel planking 1 on fender support mounting panel inner panel. As shown in fig. 4, the first fender bracket 2 is positioned in the X-direction and the Z-direction by a welding jig and is connected to the mounting plate outer panel 1 by three bolts, which can absorb tolerance accumulation in the X-direction and the Z-direction of the front operation connection;

in the second process, as shown in fig. 6, the second fender bracket 3 is positioned in the X-direction and the Y-direction by the welding jig and is attached to the first fender bracket 2 through four welding points 311. The process can absorb the Y-direction tolerance accumulation of the connection of the previous process;

and a third step, as shown in fig. 8, positioning the third fender bracket 4 in the X direction and the Z direction by using a welding clamp, and connecting the third fender bracket to the second fender bracket 3 by using two bolts, wherein the third step can absorb tolerance accumulation in the X direction and the Z direction of the connection in the previous step.

The utility model discloses optimized fender support integrated configuration, adopted anchor clamps location to absorb the XYZ three-dimensional tolerance that the body connection caused through three processes and accumulated, the three direction precision of X, Y, Z that makes third fender support 4 all can be controlled within 1.2mm, satisfies fender assembly function dimensional requirement, guarantees that the fender assembly back satisfies the requirement of size technical specification in the difference of front shroud clearance face.

Example 2

This embodiment is an embodiment 2 of a fender panel mounting bracket structure, and differs from embodiment 1 in that: this embodiment includes mounting panel planking 1, first fender support 2, second fender support 3, third fender support 4 and fourth fender support 5, and wherein first fender support 2 is connected on mounting panel planking 1, and second fender support 3 is connected on first fender support 2, and third fender support 4 is connected on second fender support 3, and fourth fender support 5 is connected on first fender support 2.

The first fender bracket 2 includes a first mounting portion 21 and a second mounting portion 22, wherein the second mounting portion 22 is connected to the first mounting portion 21, and the second mounting portion 22 is connected to the first mounting portion 21 in a perpendicular manner, specifically, in this embodiment, the second mounting portion 22 is vertically disposed on the first mounting portion 21, that is, a plane where the second mounting portion 22 is located is perpendicular to the first connecting surface 211. The second mounting portion 22 is connected to a bending portion 23, the bending portion 23 is perpendicular to the second mounting portion 22, the bending portion 23 can be attached to the first mounting portion 21, and the second mounting portion 22 can be stably connected to the first mounting portion 21 by the bending portion 23.

The first mounting portion 21 is connected to the mounting plate outer panel 1, specifically, the first mounting portion 21 is provided with at least one first mounting hole 212, the mounting plate outer panel 1 is provided with first connecting holes 11 corresponding to the first mounting holes 212, in this embodiment, the number of the first mounting holes 212 is three, the connecting lines of the three first mounting holes 212 can form a triangle, and the number of the first connecting holes 11 is three.

The bending portion 23 is provided with a fixing hole 231, wherein the fixing hole 231 corresponds to one of the mounting holes 212, and during mounting, a bolt can be connected to the first connection hole 11 through the fixing hole 231 and the first mounting hole 212.

At least one second mounting hole 221 is formed in the second mounting portion 22, and second connection holes 51 corresponding to the second mounting holes 221 are formed in the fourth fender bracket 5, in this embodiment, two second mounting holes 221 are formed, and two second connection holes 51 are formed correspondingly.

When the fourth fender bracket 5 is mounted on the first fender bracket 2, the fourth fender bracket 5 is positioned in the Y direction and the Z direction by using a welding jig, that is, the fourth fender bracket 5 is connected to the first fender bracket 2 by two bolts through the second connecting hole 51 on the fourth fender bracket 5 and the second mounting hole 221 on the second mounting portion 22, so that tolerance accumulation in the Y direction and the Z direction can be absorbed.

The other configurations are the same as those in embodiment 1, and are not described again.

The utility model discloses a concrete theory of operation:

first process, the utility model discloses before using the installation, be connected fender support mounting panel inner panel and shock tower, then weld mounting panel planking 1 on fender support mounting panel inner panel. As shown in fig. 4, the first fender bracket 2 is positioned in the X-direction and the Z-direction by a welding jig and is attached to the mounting plate outer panel 1 by three bolts, which can absorb tolerance accumulation in the X-direction and the Z-direction of the front operation connection;

the second process, as shown in fig. 6, positions the second fender bracket 3 in the X and Y directions with a welding jig, and attaches it to the first fender bracket 2 via four weld sites 311. The arrangement can absorb the Y-direction tolerance accumulation of the connection of the previous process;

the third process, as shown in fig. 8, positions the third fender bracket 4 in the X-direction and the Z-direction with welding jigs, and attaches to the second fender bracket 3 with two bolts, thus setting up to absorb tolerance accumulation in the X-direction and the Z-direction of the previous process connection. As shown in fig. 10, the fourth fender bracket 5 is positioned in the Y-direction and the Z-direction by a welding jig and is attached to the first fender bracket 2 by two bolts, thereby providing tolerance accumulation in the Y-direction and the Z-direction for absorbing the connection in the pre-process.

The utility model optimizes the fender support composite structure, adopts the XYZ three-dimensional tolerance accumulation that the fixture location caused through three processes absorption body coupling, makes X, Y, the three direction precision of Z of third fender support 4 and fourth fender support 5 all can control within 1.2mm, satisfies fender assembly function dimensional requirement, guarantees that the fender assembly is followed in the difference of front shroud clearance face and is satisfied the dimensional specification requirement.

Example 3

This embodiment is an embodiment 3 of a fender panel mounting bracket structure, and differs from embodiment 2 in that: in this embodiment, the bending portion 23 and the second mounting portion 22 are integrally formed, and the integrally formed structure can ensure that the second mounting portion 22 and the bending portion 23 are high in connection stability and not easy to damage, so that the service life of the first fender bracket 2 can be prolonged.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A fender mounting bracket structure comprises a mounting plate outer plate (1), a first fender bracket (2) connected to the mounting plate outer plate (1) and a second fender bracket (3) connected to the first fender bracket (2); the method is characterized in that: the second fender bracket (3) is connected with the first fender bracket (4); the top of the first fender bracket (2) is provided with a first connecting surface (211); the second fender bracket (3) includes a first flat plate portion (31) connected to the first connection surface (211) and a second flat plate portion (32) connected to the first flat plate portion (31) perpendicularly to each other; the plane where the first flat plate part (31) is located is parallel to the first connecting surface (211); the third fender bracket (4) is connected to the second flat plate portion (32).

2. A fender mounting bracket structure according to claim 1, wherein: the first fender bracket (2) comprises a first mounting part (21) and a second mounting part (22) which are vertically connected with each other; the first mounting part (21) is connected to the mounting plate outer plate (1); and a fourth fender bracket (5) is connected to the second mounting part (22).

3. A fender mounting bracket structure according to claim 2, wherein: the plane of the second mounting part (22) is perpendicular to the first connecting surface (211).

4. A fender mounting bracket structure according to claim 2, wherein: the first mounting part (21) is provided with at least one first mounting hole (212); the mounting plate outer plate (1) is provided with a first connecting hole (11) corresponding to the first mounting hole (212).

5. A fender mounting bracket structure according to claim 2, wherein: at least one second mounting hole (221) is formed in the second mounting part (22); and a second connecting hole (51) which can correspond to the second mounting hole (221) is formed in the fourth fender bracket (5).

6. A fender mounting bracket structure according to claim 1, wherein: the first flat plate part (31) is welded on the first connecting surface (211), and at least one welding point (311) is distributed on the first flat plate part (31).

7. A fender mounting bracket structure according to claim 1, wherein: at least one third mounting hole (321) is formed in the second flat plate part (32); and a third connecting hole (41) which can correspond to the third mounting hole (321) is formed in the third fender bracket (4).

8. A fender mounting bracket structure according to claim 2, wherein: the second mounting part (22) is connected with a bending part (23); the bending part (23) is jointed and connected to the first mounting part (21).

9. A fender mounting bracket structure according to claim 8, wherein: the second mounting part (22) and the bending part (23) are of an integrally formed structure.

10. A fender mounting bracket structure according to any one of claims 1 to 9, wherein: the second fender bracket (3) is of an L-shaped structure.