CN210734289U - Frame cross beam with lap joint structure - Google Patents
Frame cross beam with lap joint structure Download PDFInfo
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- CN210734289U CN210734289U CN201921838090.6U CN201921838090U CN210734289U CN 210734289 U CN210734289 U CN 210734289U CN 201921838090 U CN201921838090 U CN 201921838090U CN 210734289 U CN210734289 U CN 210734289U
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Abstract
The utility model discloses a frame crossbeam with overlap joint structure, including first crossbeam middle section, with first crossbeam middle section fixed first connecting piece, second crossbeam middle section and with second crossbeam middle section overlap joint fixed second connecting piece, the both ends that first connecting piece corresponds first crossbeam middle section respectively set up one and be used for respectively the solebar overlap joint that corresponds with first crossbeam middle section tip turn into the Y of first connecting piece and solebar to being connected the Z between first connecting piece and the solebar to the welding, the both ends that the second connecting piece corresponds second crossbeam middle section respectively set up one and be used for respectively the solebar overlap joint that corresponds with second crossbeam middle section tip turn into the Z between second connecting piece and the solebar to the welding with the Y of second crossbeam middle section and solebar to being connected the Z between second connecting piece and the solebar. The utility model discloses can optimize whole car Y to size precision objectively, effectively promote whole car assembly quality.
Description
Technical Field
The utility model relates to a car frame technical field, concretely relates to frame cross beam with overlap joint structure.
Background
The automobile plays a very important role in our daily life, therefore the automobile manufacturing process is also developing at a high speed, on the automobile, the frame plays the decisive role in guaranteeing whole car life and reliability, crossbeam on the frame is mainly the stability of reinforcing frame overall structure, still have simultaneously and bear, pass power and the effect of reinforcing frame intensity rigidity, in the prior art, common frame crossbeam adopts integral crossbeam more, both ends need to laminate to the welding with longeron Y respectively, this kind of crossbeam is a part, it is simpler from the part preparation, easy shaping, but to whole car welding precision not easily guarantee, and the crossbeam is when the welding assembly, easily takes place to interfere, influence the welding beat.
Therefore, in order to solve the above problems, a frame cross beam with a lap joint structure is needed, which can be assembled by welding without interference and influence on welding rhythm, avoids the influence of the Y-direction size of parts on the precision of the whole vehicle, ensures the Y-direction consistency of the whole vehicle, objectively optimizes the Y-direction size precision of the whole vehicle, and effectively improves the assembly quality of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing the frame crossbeam that has the overlap joint structure, can be when the welding assembly, difficult emergence is interfered, does not influence the welding beat, has avoidd spare part Y to the influence of size to putting in order the car precision, guarantees the Y of putting in order the car to the uniformity, has optimized whole car Y to the size precision objectively, has effectively promoted whole car assembly quality.
The utility model discloses a frame crossbeam with overlap joint structure, including first crossbeam middle section, with first crossbeam middle section fixed first connecting piece, second crossbeam middle section and with second crossbeam middle section overlap joint fixed second connecting piece, the both ends that first connecting piece corresponds first crossbeam middle section respectively set up one and be used for respectively the solebar overlap joint that corresponds with first crossbeam middle section tip turn into the Y of first connecting piece and solebar to being connected the Z between welding of turning into first connecting piece and solebar to the welding, the both ends that the second connecting piece corresponds second crossbeam middle section respectively set up one and are used for respectively turning into the Z between second connecting piece and the solebar to the welding with the solebar overlap joint of second crossbeam middle section and solebar to being connected the Y of second crossbeam middle section and solebar.
Furthermore, the cross section of the middle section of the first cross beam along the Y direction is of a structure in a shape like a Chinese character ji, at least one lightening hole is formed in the top surface of the middle section of the first cross beam, and a reinforcing boss for improving the structural strength is arranged on the top surface of the middle section of the first cross beam in a protruding mode corresponding to each lightening hole in a surrounding mode.
Further, still be provided with on the first crossbeam middle section and be used for with anchor clamps location complex first locating hole, second locating hole and first locating arch, first locating hole is the circular port, the second locating hole is waist type hole, the pair of round hole has been seted up on the first locating arch.
Furthermore, the cross section of the first connecting piece along the Y direction is of a structure shaped like a Chinese character 'ji', a second positioning bulge protruding upwards is arranged on the top surface of the first connecting piece, the second positioning bulge is a strip-shaped bulge, a third positioning hole and a fourth positioning hole are sequentially formed in the strip-shaped bulge, the third positioning hole is a circular hole, and the fourth positioning hole is a waist-shaped hole.
Furthermore, the cross sections of the middle section of the second cross beam in the X direction and the Y direction are both of a structure shaped like a Chinese character 'ji', the center of the middle section of the second cross beam protrudes upwards to form a stepped cross beam, the top surface of the middle section of the second cross beam is provided with at least one lightening hole, and the top surface of the middle section of the second cross beam protrudes outwards corresponding to each lightening hole and is provided with a reinforcing boss around the top surface of the middle section of the second cross beam, wherein the reinforcing boss is used.
Furthermore, a fifth positioning hole, a sixth positioning hole, a third positioning protrusion, a fourth positioning protrusion and a fifth positioning protrusion which are used for being matched with the fixture in a positioning mode are further arranged on the middle section of the second cross beam, the fifth positioning hole is a waist-shaped hole, the sixth positioning hole is a circular hole, waist-shaped holes are formed in the third positioning protrusion and the fourth positioning protrusion, and double round holes are formed in the fifth positioning protrusion.
Furthermore, the cross section of the second connecting piece along the Y direction is of a structure shaped like a Chinese character 'ji', a seventh positioning hole and an eighth positioning hole which are used for being matched with the clamp in a positioning mode are arranged on the top face of the second connecting piece, the seventh positioning hole is a circular hole, and the eighth positioning hole is a kidney-shaped hole.
Furthermore, two lightening holes are formed in the top surface of the middle section of the first cross beam and comprise a first lightening hole and a second lightening hole which are sequentially arranged, and the first lightening hole and the second lightening hole are both strip-shaped lightening holes.
Furthermore, a third lightening hole of the lightening hole position is arranged on the top surface of the middle section of the second cross beam, the third lightening hole is a square lightening hole, and the third lightening hole is positioned on a step protruding from the middle section of the second cross beam.
Furthermore, the fifth positioning bulge is arranged at the position of the raised step transition section in the middle section of the second cross beam.
The utility model has the advantages that: the utility model discloses a frame cross beam with lap joint structure, which is characterized in that an integral frame cross beam is divided into three sections of two connecting pieces and a cross beam middle section, and a left section of frame cross beam connecting piece and a right section of frame cross beam connecting piece are respectively welded with a left longitudinal beam and a right longitudinal beam to form an assembly; then with frame crossbeam middle section respectively with the longeron assembly piece together welding (frame crossbeam adopts the profile overlap joint respectively with the section about with), this kind of lapped mode turns into the Z between connecting piece and the horizontal and vertical beams to welding with being connected to Y between crossbeam and the longeron to, guaranteed when the welding assembly, be difficult for taking place to interfere, do not influence the welding beat, avoided spare part Y to the influence of size to whole car precision, guarantee the Y of whole car to the uniformity, the whole car Y is to size precision to objective optimization, the whole car assembly quality has effectively been promoted.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention welded to a longitudinal beam;
fig. 2 is a schematic structural view of a first connecting member of the present invention;
FIG. 3 is a schematic view of a second connecting member according to the present invention;
fig. 4 is a schematic structural view of a middle section of the first cross beam of the present invention;
fig. 5 is the structure diagram of the second cross beam middle section of the present invention.
Detailed Description
FIG. 1 is a structural schematic view of the present invention welded with a longitudinal beam, FIG. 2 is a structural schematic view of a first connecting member of the present invention, FIG. 3 is a structural schematic view of a second connecting member of the present invention, FIG. 4 is a structural schematic view of a middle section of a first cross beam of the present invention, FIG. 5 is a structural schematic view of a middle section of a second cross beam of the present invention, as shown in the figures, a frame cross beam having an overlapping structure in the present embodiment comprises a first cross beam middle section 11, a first connecting member 21 fixed in an overlapping manner with the first cross beam middle section 11, a second cross beam middle section 12, and a second connecting member 22 fixed in an overlapping manner with the second cross beam middle section 12, wherein the first connecting member 21 is provided at each end corresponding to the first cross beam middle section 11 and is respectively used for overlapping the frame longitudinal beam corresponding to the end of the first cross beam middle section 11 to convert the Y-direction connection of the first cross beam 11 and the frame, the two ends of the second connecting piece 22 corresponding to the second cross beam middle section 12 are respectively provided with one and are respectively used for converting the Y-direction connection of the second cross beam middle section 12 and the frame longitudinal beam into the Z-direction welding between the second connecting piece 22 and the frame longitudinal beam by the frame longitudinal beam lap joint corresponding to the end part of the second cross beam middle section 12, the Y-direction connection between the frame cross beam and the longitudinal beam is converted into the Z-direction welding between the connecting piece and the longitudinal beam, the Y-direction welding error is avoided, the Y-direction welding is converted into the Z-direction welding, the risk of part placing interference when integral parts are spliced is avoided, and the Y-direction precision of the automobile body is ensured.
In this embodiment, the cross section of the first beam middle section 11 along the Y direction is a zigzag structure, at least one lightening hole is provided on the top surface of the first beam middle section 11, and a reinforcing boss for improving the structural strength is provided on the top surface of the first beam middle section 11 corresponding to each lightening hole and protruding outward and surrounding the top surface, so as to improve the strength of the beam.
In this embodiment, the first beam middle section 11 is further provided with a first positioning hole 31, a second positioning hole 32 and a first positioning protrusion 41, which are used for being matched with a fixture in a positioning manner, the first positioning hole 31 is a circular hole, the second positioning hole 32 is a kidney-shaped hole, and the first positioning protrusion 41 is provided with a double-circular hole.
In this embodiment, the cross section of the first connecting member 21 along the Y direction is a zigzag structure, a second positioning protrusion 42 protruding upward is disposed on the top surface of the first connecting member 21, the second positioning protrusion 42 is a strip-shaped protrusion, and a third positioning hole 33 and a fourth positioning hole 34 are sequentially disposed on the strip-shaped protrusion, the third positioning hole 33 is a circular hole, and the fourth positioning hole 34 is a kidney-shaped hole.
In this embodiment, the cross sections of the second beam middle section 12 in the X direction and the Y direction are both in a zigzag structure, the center of the second beam middle section 12 protrudes upward to form a stepped beam, the top surface of the second beam middle section 12 is provided with at least one lightening hole, and the top surface of the second beam middle section 12 protrudes outward corresponding to each lightening hole and is provided with a reinforcing boss around the top surface to improve the structural strength.
In this embodiment, the second beam middle section 12 is further provided with a fifth positioning hole 35, a sixth positioning hole 36, a third positioning protrusion 43, a fourth positioning protrusion 44 and a fifth positioning protrusion 45, which are used for being matched with a fixture in a positioning manner, the fifth positioning hole 35 is a kidney-shaped hole, the sixth positioning hole 36 is a circular hole, the third positioning protrusion 43 and the fourth positioning protrusion 44 are both provided with kidney-shaped holes, and the fifth positioning protrusion 45 is provided with double circular holes.
In this embodiment, the cross section of the second connecting member 22 along the Y direction is a zigzag structure, a seventh positioning hole 37 and an eighth positioning hole 38 for positioning and matching with a fixture are disposed on the top surface of the second connecting member 22, the seventh positioning hole 37 is a circular hole, and the eighth positioning hole 38 is a kidney-shaped hole.
In this embodiment, two lightening holes are arranged on the top surface of the first beam middle section 11, including a first lightening hole 51 and a second lightening hole 52 which are arranged in sequence, and both the first lightening hole 51 and the second lightening hole 52 are strip-shaped lightening holes.
In this embodiment, a third lightening hole 53 is formed in the top surface of the second beam middle section 12, the third lightening hole 53 is a square lightening hole, and the third lightening hole 53 is located on a raised step of the second beam middle section 12.
In this embodiment, the fifth positioning protrusion 45 is disposed at the protruding step transition section of the second beam middle section 12.
When the cross beam is assembled, a left frame cross beam connecting piece and a right frame cross beam connecting piece are respectively welded with a left longitudinal beam and a right longitudinal beam to form an assembly; then the frame cross beam is respectively spliced and welded with the longitudinal beam assembly (the frame cross beam and the left and right sections are respectively lapped by molded surfaces), the Y-direction welding error is directly avoided, the Y-direction welding is converted into the Z-direction welding, the risk of part placing interference during the splicing of integral parts is avoided, and the Y-direction precision of the automobile body is ensured.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides a frame cross member with overlap joint structure which characterized in that: the first connecting piece and the second connecting piece are fixed in a lap joint mode with the first cross beam middle section, the first cross beam middle section and the second cross beam middle section are fixed in a lap joint mode, the two ends, corresponding to the first cross beam middle section, of the first connecting piece are respectively provided with one and are respectively used for enabling the frame longitudinal beam lap joint corresponding to the end portion of the first cross beam middle section to enable the Y direction of the first cross beam middle section and the Y direction of the frame longitudinal beam to be connected and converted into Z direction welding between the first connecting piece and the frame longitudinal beam, the two ends, corresponding to the second cross beam middle section, of the second connecting piece are respectively provided with one and are respectively used for enabling the frame longitudinal beam lap joint corresponding to the end portion of the second cross beam middle section to enable the Y direction of the second cross beam middle section.
2. The cross-frame member with a lap joint structure of claim 1, wherein: the cross section of the middle section of the first cross beam along the Y direction is of a structure in a shape like a Chinese character 'ji', at least one lightening hole is formed in the top surface of the middle section of the first cross beam, and a reinforcing boss used for improving the structural strength is arranged on the top surface of the middle section of the first cross beam in a protruding mode corresponding to each lightening hole in a surrounding mode.
3. The cross-frame member with a lap joint structure of claim 2, wherein: the middle section of the first cross beam is also provided with a first positioning hole, a second positioning hole and a first positioning bulge, wherein the first positioning hole, the second positioning hole and the first positioning bulge are used for being matched with the clamp in a positioning mode, the first positioning hole is a circular hole, the second positioning hole is a waist-shaped hole, and the first positioning bulge is provided with double circular holes.
4. The cross-frame member with a lap joint structure of claim 1, wherein: the section of the first connecting piece along the Y direction is of a structure shaped like a Chinese character 'ji', a second positioning bulge protruding upwards is arranged on the top surface of the first connecting piece, the second positioning bulge is a strip-shaped bulge, a third positioning hole and a fourth positioning hole are sequentially formed in the second positioning bulge, the third positioning hole is a circular hole, and the fourth positioning hole is a waist-shaped hole.
5. The cross-frame member with a lap joint structure of claim 1, wherein: the cross sections of the middle section of the second cross beam in the X direction and the Y direction are of a structure in a shape like a Chinese character 'ji', the center of the middle section of the second cross beam protrudes upwards to form a stepped cross beam, the top surface of the middle section of the second cross beam is provided with at least one lightening hole, and the top surface of the middle section of the second cross beam protrudes outwards corresponding to each lightening hole and is provided with a reinforcing boss around the top surface of the middle section of the second cross beam, wherein the reinforcing boss.
6. The cross-frame member with a lap joint structure of claim 5, wherein: the middle section of the second cross beam is further provided with a fifth positioning hole, a sixth positioning hole, a third positioning bulge, a fourth positioning bulge and a fifth positioning bulge which are used for being matched with the fixture in a positioning mode, the fifth positioning hole is a waist-shaped hole, the sixth positioning hole is a circular hole, waist-shaped holes are formed in the third positioning bulge and the fourth positioning bulge, and double circular holes are formed in the fifth positioning bulge.
7. The cross-frame member with a lap joint structure of claim 1, wherein: the section of the second connecting piece along the Y direction is of a structure shaped like a Chinese character 'ji', a seventh positioning hole and an eighth positioning hole which are used for being matched with the clamp in a positioning mode are arranged on the top face of the second connecting piece, the seventh positioning hole is a circular hole, and the eighth positioning hole is a waist-shaped hole.
8. The cross-frame member with a lap joint structure of claim 2, wherein: two lightening holes are formed in the top face of the middle section of the first cross beam and comprise a first lightening hole and a second lightening hole which are arranged in sequence, and the first lightening hole and the second lightening hole are strip-shaped lightening holes.
9. The cross-frame member with a lap joint structure of claim 5, wherein: and a third lightening hole of the lightening hole position is arranged on the top surface of the middle section of the second cross beam, the third lightening hole is a square lightening hole, and the third lightening hole is positioned on a step protruding from the middle section of the second cross beam.
10. The cross-frame member with a lap joint structure of claim 6, wherein: and the fifth positioning bulge is arranged at the position of the raised step transition section in the middle section of the second cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838090.6U CN210734289U (en) | 2019-10-29 | 2019-10-29 | Frame cross beam with lap joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838090.6U CN210734289U (en) | 2019-10-29 | 2019-10-29 | Frame cross beam with lap joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210734289U true CN210734289U (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921838090.6U Active CN210734289U (en) | 2019-10-29 | 2019-10-29 | Frame cross beam with lap joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210734289U (en) |
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2019
- 2019-10-29 CN CN201921838090.6U patent/CN210734289U/en active Active
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