High-strength assembly type automobile stamping part

Abstract

The utility model discloses a high-strength assembly type automobile stamping part, which relates to the field of connecting piece design and comprises at least two pieces of square steel and a corner connecting piece, and the corner connecting piece is mounted at the assembly joint of the two pieces of square steel. Welding surfaces are formed on the end surfaces of the square steel, and welding points are welded and formed between the welding surfaces and the square steel; first mounting holes are formed in the two ends of the corner connecting piece, first bolts are mounted in the first mounting holes in a penetrating mode, and the two ends of the corner connecting piece penetrate through the first mounting holes through the first bolts to be locked on the square steel; a stamping groove position is formed in the corner position of the corner connecting piece, the stamping groove position and the two ends of the corner connecting piece form an isosceles triangle structure, and the stamping groove position covers the welding point. Compared with the prior art, one or more stamping groove positions are machined in the middle of the corner connecting piece in a stamping forming mode, the stamping groove positions and the two ends of the corner connecting piece can form an isosceles triangle structure, and the overall strength of the corner connecting piece is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connecting piece design, especially a high strength assembly type automobile stamping part. BACKGROUND

[0002] For the frame structure of the automobile, generally uses the mode of mutual connection of multiple square steels to assemble, since the speed of the vehicle is fast, so the structure of the frame needs to have strong support strength, and the connecting mode of the corner position on the market is generally assembled by welding or using a corner connecting piece.

[0003] For example, the corner turning for flat-hung overhung door and window hardware (publication number: CN2523925Y) is disclosed on the market, which adds a C-shaped piece to the inner corner of the right-angle piece to ensure its stability, but since it is not an integrated design structure, its strength and performance are insufficient;

[0004] In addition, the prior art (publication number: CN221119752U) discloses an aluminum alloy door and window mounting piece, which is provided with a reinforcing rib at the right-angle position in the right-angle piece, and the reinforcing rib cannot be integrally formed and is generally welded at the inner corner position by welding, which results in poor use strength, and the welding point may not be firm when subjected to external impact, resulting in failure of the right-angle piece;

[0005] The prior art (publication number: CN206752804U) further discloses a vertical right-angle piece, which is provided with an insert at both ends of the L-shaped right-angle piece, and a horizontal plate is arranged on both sides of the insert to effectively clamp and install, but the right-angle piece does not have a triangular support structure, and the firmness of the installation is low;

[0006] The prior art (publication number: CN203230134U) further discloses a right-angle piece, which is provided with a side plate on both sides of the right-angle piece to realize triangular support, but the structure cannot be integrally formed, has low use strength, high preparation cost, and poor corrosion resistance. UTILITY MODEL CONTENTS

[0007] The utility model overcomes the above-mentioned deficiencies, and provides a technical solution to solve the above-mentioned problems.

[0008] A high-strength assembly type automobile stamping part, comprising at least two square steels and a corner connecting piece, the corner connecting piece is installed at the assembly connection of the two square steels;

[0009] The end face of the square steel is formed with a welding surface, the welding surface of the square steel is fixedly installed on the side wall of the other square steel, and a welding point is formed between the welding surface and the square steel by welding;

[0010] The first mounting hole is provided with a first bolt, and the two ends of the corner connecting piece are locked on the square steel through the first bolt passing through the first mounting hole.

[0011] The corner position of the corner connecting piece is formed with a stamping groove, and the stamping groove and the two ends of the corner connecting piece form an isosceles triangle structure, and the stamping groove covers the welding point.

[0012] Further, one or more nut mounting grooves are formed on the outer side of the square steel, and one or more first mounting holes are provided at the two ends of the corner connecting piece, the first mounting hole is arranged on the outer side of the nut mounting groove in one-to-one correspondence, the nut of the first bolt is slidably fitted and mounted in the nut mounting groove, and the outer end of the first bolt passes through the first mounting hole and is locked.

[0013] Further, one or more side walls of the corner connecting piece are bent to form a right angle, a second mounting hole is formed on the right angle, a second bolt is arranged in the second mounting hole, and the second bolt is locked on the side wall of the other side of the square steel.

[0014] Further, the nut of the second bolt is slidably fitted in the nut mounting groove of the side wall of the other side of the square steel, and the outer end of the second bolt passes through the second mounting hole and is locked.

[0015] Further, the stamping groove is provided with one or more stamping grooves, and the plurality of stamping grooves are arranged at the corner position of the corner connecting piece at equal distances.

[0016] Further, the welding point is provided with one or more welding points formed on the welding surface and the side wall of the square steel, and the stamping groove covers the welding point in one-to-one correspondence.

[0017] Further, the welding surface adopts a vertical surface or an inclined surface, and the two square steels form any one shape of a right angle, an acute angle and an obtuse angle.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The square steel is used as a carrier, and two adjacent square steels are assembled through welding and bolt connection, so that the strength of the assembly of the two square steels is ensured.

[0020] 2. One or more stamping grooves are formed in the middle of the corner connecting piece by stamping, the stamping groove and the two ends of the corner connecting piece form an isosceles triangle structure, the support characteristics of the triangle are utilized, and the overall strength of the corner connecting piece is strengthened.

[0021] 3. The stamping slots can effectively cover the position of the welding points, thereby achieving effective protection and preventing the welding points from being hit, thereby ensuring the strength of the connection between the two square steels;

[0022] 4. The stamping slots can be processed in one step by stamping, achieving one-piece molding, low manufacturing cost and greatly improved service life.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of two square steels welded together in the present invention;

[0027] Figure 3 This is a schematic structural diagram of a corner connector according to the first embodiment;

[0028] Figure 4 yes Figure 3 Structural diagram from another perspective;

[0029] Figure 5 This is a schematic structural diagram of a corner connector according to a second embodiment;

[0030] Figure 6 yes Figure 5 Structural diagram from another perspective;

[0031] Figure 7 It is a structural diagram of the corner connector during stamping processing.

[0032] As shown in the figure: 1. Square steel; 2. Corner connector; 3. Welding surface; 4. Welding point; 5. First mounting hole; 6. First bolt; 7. Stamping slot; 8. Nut mounting slot; 9. Right-angle edge; 10. Second mounting hole; 11. Second bolt; 12. Upper die; 13. Lower die. DETAILED DESCRIPTION

[0033] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0034] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.

[0035] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0036] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0038] like Figures 1-7 As shown, a high-strength assembled automobile stamping part of the present invention includes at least two square steels 1 and a corner connector 2, wherein the corner connector 2 is installed at the assembly connection of the two square steels 1;

[0039] The end face of the square steel 1 is formed with a welding surface 3, and the welding surface 3 of the square steel 1 is fixedly mounted on the side wall of another square steel 1, and a welding point 4 is formed by welding between the welding surface 3 and the square steel 1;

[0040] Both ends of the corner connector 2 are formed with a first mounting hole 5, and a first bolt 6 is installed in the first mounting hole 5. The two ends of the corner connector 2 are locked on the square steel 1 through the first bolt 6 passing through the first mounting hole 5;

[0041] The corner position of the corner connector 2 is formed with a punching groove 7, and the punching groove 7 and the two ends of the corner connector 2 form an isosceles triangle structure, and the punching groove 7 covers the welding point 4;

[0042] The principle is: using square steel 1 as a carrier, two adjacent square steels 1 are assembled by welding and bolt connection, one or more punching grooves 7 are formed in the middle of the corner connector 2 by punching, the punching groove 7 forms an isosceles triangle structure with the two ends of the corner connector 2, the support characteristics of the triangle are used to strengthen the overall strength of the corner connector 2, in addition, the punching groove 7 can effectively cover the position of the welding point 4, thereby achieving effective protection, avoiding the impact on the welding point 4, thereby ensuring the strength of the connection between the two square steels 1, and the service life is greatly improved, and the punching groove 7 can be machined in one step by punching, and the manufacturing cost is low.

[0043] In the utility model, the corner connector 2 can be formed by die punching, the upper die 12 and the lower die 13 are combined, the corner connector 2 is formed between the upper die 12 and the lower die 13, and the corner connector 2 with the punching groove 7 is machined in one step, the metal piece can be bent into a corresponding angle of the corner structure in advance, and then is placed in the upper die 12 and the lower die 13, the punching machining of the punching groove 7 is realized, the machining precision is higher, and the corner connector 2 can be integrally arranged, and the service life is guaranteed.

[0044] Further, one or more nut mounting grooves 8 are formed on the periphery of the square steel 1, one or more first mounting holes 5 are arranged at the two ends of the corner connector 2, the first mounting hole 5 is arranged on the outer side of the nut mounting groove 8 in one-to-one correspondence, the nut of the first bolt 6 is slidably and correspondingly mounted in the nut mounting groove 8, and the outer end of the first bolt 6 passes through the first mounting hole 5 and is locked; the two ends of the corner connector 2 can be locked by the first bolt 6 passing through the nut mounting groove 8 and the first mounting hole 5 of the square steel 1, and the stability of installation is high.

[0045] Further, one or more straight edges 9 are formed on the side wall of the corner connector 2, a second mounting hole 10 is formed on the straight edge 9, a second bolt 11 is arranged in the second mounting hole 10, and the second bolt 11 is locked on the side wall of the other side of the square steel 1; another straight edge 9 can be additionally arranged for auxiliary positioning, and the second bolt 11 is used for locking, and the straight edge 9 can strengthen the stable installation of the corner connector 2 on the square steel 1.

[0046] Further, the nut of the second bolt 11 is slidingly fitted in the nut fitting groove 8 on the other side wall of the square steel 1, and the outer end of the second bolt 11 is locked through the second fitting hole 10; the installation and locking of the right angle side 9 on the square steel 1 can be completed by the second bolt 11 through the nut fitting groove 8 and the second fitting hole 10, and the stability is high, and the connection strength is guaranteed.

[0047] Further, the punching groove 7 is provided with one or more, and the punching grooves 7 are arranged at the corner position of the corner connecting piece 2 at equal distances; the number of the punching grooves 7 can be set according to the thickness of the corner position, so as to guarantee the overall strength of the corner connecting piece 2, and the corner connecting piece 2 can be integrally formed, and the service life is improved.

[0048] Further, the welding point 4 is provided with one or more welding points 4 which are integrally formed on the welding surface 3 and the side wall of the square steel 1, and the punching groove 7 covers the welding point 4 one by one; the welding point 4 can be effectively protected one by one, and the welding point 4 is prevented from being impacted by external force.

[0049] Further, the welding surface 3 is a vertical surface or an inclined surface, and the two square steels 1 form any one shape of a right angle, an acute angle and an obtuse angle; the two square steels 1 can be assembled at a suitable angle according to the actual situation, and the corner connecting piece 2 and the welding point 4 can guarantee the stable connection between the two square steels 1 at each angle, so as to guarantee the use strength.

[0050] The embodiment is not limited in shape, material, structure and the like of the utility model in any form, and any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model are all within the protection scope of the utility model technical scheme.

Claims

1. A high-strength assembled automobile stamping part, comprising at least two square steels and a corner connecting piece, the corner connecting piece being installed at the assembly connection of the two square steels; characterized in that: an end face of the square steel is formed with a welding surface, the welding surface of the square steel being fixedly installed on the side wall of the other square steel, and a welding point being formed by welding between the welding surface and the square steel; both ends of the corner connecting piece are formed with first installation holes, first bolts being installed in the first installation holes, and the two ends of the corner connecting piece being locked on the square steels through the first bolts passing through the first installation holes; a stamping groove is formed at the corner position of the corner connecting piece, the stamping groove and the two ends of the corner connecting piece forming an isosceles triangle structure, and the stamping groove covering the welding point.

2. A high strength fabricated automotive stamping as claimed in claim 1, wherein: one or more nut installation grooves are formed around the outer side of the square steel, one or more first installation holes being provided at the two ends of the corner connecting piece, the first installation holes being provided one by one on the outer side of the nut installation grooves, the nuts of the first bolts being slidably and fittingly installed in the nut installation grooves, and the outer ends of the first bolts being locked through the first installation holes.

3. A high-strength assembled automobile stamping part according to any one of claims 1 or 2, characterized in that: a right-angle side is formed by bending one or more side walls of the corner connecting piece, a second installation hole being formed on the right-angle side, a second bolt being installed in the second installation hole, and the second bolt being locked on the side wall on the other side of the square steel.

4. A high strength fabricated automotive stamping as claimed in claim 3, wherein: The nut of the second bolt is slidably and fittingly installed in the nut installation groove on the side wall on the other side of the square steel, and the outer end of the second bolt is locked through the second installation hole.

5. The high strength fabricated automotive stamping of claim 1, wherein: The stamping groove is provided with one or more stamping grooves, and the plurality of stamping grooves are arranged at equal distances from each other at the corner position of the corner connecting piece.

6. The high-strength assembled automobile stamping part according to any one of claims 1 or 5, characterized in that: The welding point is provided with one or more welding points formed by welding on the welding surface and the side wall of the square steel, and the stamping groove covers the welding point one by one.

7. The high strength fabricated automotive stamping of claim 1, wherein: The welding surface is a vertical surface or an inclined surface, and the two square steels form any one shape of a right angle, an acute angle, or an obtuse angle.

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