Automobile bumper support

Abstract

The utility model discloses an automobile bumper support which is characterized in that the automobile bumper support comprises a bumper support body, the bumper support body is provided with fast-assembly fixing holes, the fast-assembly fixing holes are connected with symmetrically-arranged expansion fixing blocks in a sliding and clamping mode, and the fast-assembly fixing holes are in threaded connection with expansion bolts. The technical problems that when a bumper support at the present stage is installed, an expansion nut is in butt joint with an automobile metal plate hole position manually, the extrusion position of an expansion bolt is deformed into a sheet, and therefore the connection strength is reduced, and damage is likely to be caused after the expansion bolt is impacted are effectively solved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of automobile manufacturing, in particular to an automobile bumper bracket. Background Art

[0002] The bumper bracket is the link between the bumper and the body parts. When designing the bracket, the first thing to pay attention to is the strength, including the strength of the bracket itself and the strength of the connection structure with the bumper or the body. For the bracket itself, the structural design increases the main wall thickness or uses higher-strength PP-GF30 and POM materials to meet the bracket strength requirements. At present, when installing the bumper bracket, the expansion nut is manually docked with the hole of the car sheet metal, and then the bumper bracket is aligned with the expansion nut, and finally fixed with bolts, causing the expansion bolt to shrink and deform into a thin sheet to connect and fix the bumper bracket to the hole of the car sheet metal.

[0003] Since the expansion bolt is deformed into a thin sheet at the extruded position, the connection strength is reduced and it is easy to be damaged after being impacted, so a car bumper bracket is needed to solve the above problem. Utility Model Content

[0004] The technical solution of the utility model aims at the technical problem that the existing technical solution is too single, provides a solution that is significantly different from the existing technology, and mainly provides an automobile bumper bracket to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the technical solution to solve the above technical problems: an automobile bumper bracket, comprising, characterized in that: it comprises a bumper bracket, the bumper bracket is provided with a quick-install fixing hole, the quick-install fixing hole is slidably engaged with a symmetrically arranged expansion fixing block, and the quick-install fixing hole is threadedly connected with the expansion bolt.

[0006] Preferably, the inner wall at the rear end of the quick-release fixing hole is fixedly connected to the outer ring of the symmetrically arranged semicircular blocks, a sliding groove is formed between the semicircular blocks, the sliding groove is slidably connected to the expansion fixing block, and a threaded groove is provided on the inner wall at the front end of the quick-release fixing hole, and the threaded groove is threadedly connected to the expansion bolt.

[0007] Preferably, a first inclined surface is provided at the corners opposite to the semicircular block near the thread groove to facilitate expansion of the fixing block into the sliding groove.

[0008] Preferably, the expansion fixing block includes a connecting rod, which is slidably connected to the sliding groove, and one end of the connecting rod close to the sliding groove is fixedly connected to one side of the semicircular ring, and the other side of the connecting rod is fixedly connected to the clamping block, and the front side of the clamping block and the rear side of the bumper bracket are clamped to the automobile body sheet metal.

[0009] Preferably, a second inclined surface is provided at a front corner of the block away from the connecting rod.

[0010] Preferably, the expansion bolt comprises an expansion head, the expansion head is a conical structure, the bottom of the expansion head is fixedly connected to one end of the threaded column, and the other end of the threaded column is provided with a hexagonal hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the card block is placed in the sliding groove, and then a circle of expansion bolts is screwed on, and then the bumper bracket is docked with the installation position of the automobile sheet metal, and then it is screwed in with a fixed value through an electric torque wrench. During the screwing process, the expansion head will contact the semicircular ring and the connecting rod of the expansion fixing block, causing the two expansion fixing blocks to expand outward, and then the second inclined surface of the card block contacts the back of the sheet metal to fix the bumper bracket to the sheet metal. In this way, the card block is connected and fixed to the automobile main body sheet metal in the form of expansion, so that the connection will not be deformed into a thin sheet for fixing like an expansion bolt, so it has greater strength and is not easy to be damaged.

[0012] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the quick-install fixing hole in the utility model;

[0015] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 4 It is a structural schematic diagram of the expansion fixing block in the utility model;

[0017] Figure 5 It is a structural schematic diagram of the expansion bolt in the utility model.

[0018] 1-bumper bracket, 2-quick-release fixing hole, 21-semicircular block, 211-first inclined surface, 22-sliding groove, 3-expansion fixing block, 31-semicircular ring, 32-connecting rod, 33-block, 331-second inclined surface, 4-expansion bolt, 41-expansion head, 42-threaded column, 43-hexagonal hole. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field of the present invention. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] See also Figure 1 and Figure 5 1. A car bumper bracket, comprising a bumper bracket 1, a quick-install fixing hole 2 is provided in the bumper bracket 1, the quick-install fixing hole 2 is slidably engaged with a symmetrically arranged expansion fixing block 3, the expansion fixing block 3, the quick-install fixing hole 2 is threadedly connected with an expansion bolt 4, and the expansion bolt 4 is screwed into the expansion bolt 4 by a fixed value through an electric torque wrench to cause the two expansion fixing blocks 3 to expand, thereby fixing the bumper bracket to the car sheet metal.

[0023] See also Figure 2 and Figure 5 The inner wall at the rear end of the quick-install fixing hole 2 is fixedly connected to the outer circle of the symmetrically arranged semicircular blocks 21, a sliding groove 22 is formed between the semicircular blocks 21, the sliding groove 22 is slidably connected to the expansion fixing block 3, and a threaded groove is opened on the inner wall at the front end of the quick-install fixing hole 2, and the threaded groove is threadedly connected to the expansion bolt 4.

[0024] A first inclined surface 211 is provided at the corner opposite to the semicircular block 21 near the thread groove to facilitate the expansion of the fixing block 3 to enter the sliding groove 22. The first inclined surface 211 can facilitate the installer to put the expansion fixing block 3 into the sliding groove.

[0025] See also Figure 3 and Figure 4The expansion fixing block 3 includes a connecting rod 32, which is slidably connected to the sliding groove 22, and one end of the connecting rod 32 close to the sliding groove 22 is fixedly connected to one side of the semicircular ring 31, and the other side of the connecting rod 32 is fixedly connected to the clamping block 33, and the front side of the clamping block 33 and the rear side of the bumper bracket 1 are clamped to the main body sheet metal of the automobile. At the same time, the clamping block 33 is connected and fixed to the main body sheet metal of the automobile in the form of expansion, so that the connection will not be deformed into a thin sheet for fixing like an expansion bolt, so that the strength is greater and it is not easy to be damaged.

[0026] A second inclined surface 331 is provided at a front corner of the clamping block 33 away from the connecting rod 32 . The second inclined surface 331 is provided to facilitate the front corner of the clamping block 33 to be quickly attached and fixed to the automobile sheet metal.

[0027] See also Figure 5 The expansion bolt 4 includes an expansion head 41, which is a conical structure. The expansion head of the conical structure can easily enter the semicircular ring 31 to open the clamping block 33 and clamp it to the rear side of the bumper bracket 1. The bottom of the expansion head 41 is fixedly connected to one end of the threaded column 42, and the other end of the threaded column 42 is provided with a hexagonal hole 43.

[0028] The specific operation process of the utility model is as follows: during installation, it is only necessary to place the clamping block 33 in the sliding groove 22, and then tighten a circle of expansion bolts 4, and then dock the bumper bracket 1 with the installation position of the automobile sheet metal, and then screw it in with a fixed value through an electric torque wrench. During the screwing process, the expansion head 41 will contact the semicircular ring 31 of the expansion fixing block 3 and the connecting rod 32, causing the two expansion fixing blocks 3 to expand outward, and then contact the back of the sheet metal through the second inclined surface 331 of the clamping block 33, thereby fixing the bumper bracket 1 to the sheet metal.

[0029] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A vehicle bumper bracket, comprising: The bumper bracket (1) comprises a quick-install fixing hole (2) provided on the bumper bracket (1), the quick-install fixing hole (2) being slidably engaged with a symmetrically arranged expansion fixing block (3), and the quick-install fixing hole (2) being threadedly connected with an expansion bolt (4).

2. The automobile bumper bracket according to claim 1, characterized in that: The inner wall at the rear end of the quick-install fixing hole (2) is fixedly connected to the outer ring of the symmetrically arranged semicircular blocks (21), a sliding groove (22) is formed between the semicircular blocks (21), the sliding groove (22) is slidably connected to the expansion fixing block (3), and a threaded groove is provided on the inner wall at the front end of the quick-install fixing hole (2), and the threaded groove is threadedly connected to the expansion bolt (4).

3. The automobile bumper bracket according to claim 2, characterized in that: A first inclined surface (211) is provided at a corner opposite to the semicircular block (21) close to the thread groove, which facilitates the expansion of the fixed block (3) into the sliding groove (22).

4. The automobile bumper bracket according to claim 1, characterized in that: The expansion fixing block (3) comprises a connecting rod (32), the connecting rod (32) is slidably connected to the sliding groove (22), one end of the connecting rod (32) close to the sliding groove (22) is fixedly connected to one side of the semicircular ring (31), and the other side of the connecting rod (32) is fixedly connected to a clamping block (33), and the front side of the clamping block (33) is clamped to the rear side of the bumper bracket (1) to form a sheet metal of the automobile body.

5. The automobile bumper bracket according to claim 4, characterized in that: A second inclined surface (331) is provided at a front corner of the clamping block (33) away from the connecting rod (32).

6. The automobile bumper bracket according to claim 1, characterized in that: The expansion bolt (4) comprises an expansion head (41), the expansion head (41) is a conical structure, the bottom of the expansion head (41) is fixedly connected to one end of a threaded column (42), and the other end of the threaded column (42) is provided with a hexagonal hole (43).

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