Height-adjustable automobile front bumper

Abstract

The utility model discloses a height-adjustable automobile front bumper. The height-adjustable automobile front bumper comprises a bumper main body and an adjustable guardrail, the adjustable guardrail is arranged at the top of the bumper body, the fixing bolts are screwed out of the mounting holes, then the nuts are screwed through a wrench to control the adjusting screws to rotate, and the first sliding frame is driven to stretch out and draw back on the inner side of the first telescopic sleeve through threaded fit of the adjusting screws and the threaded grooves. And in the process, the driven telescopic frame can synchronously stretch and slide along with the driving telescopic frame, and after the driving telescopic frame is adjusted in place, a fixing bolt penetrates through a through hole to enter a second telescopic sleeve to be screwed and fixed to a mounting hole, so that the height position of the crash barrier is adjusted. And the driven telescopic frame is locked at the current length, so that the height position of the crash barrier is adjusted, the height position of the crash barrier can be adjusted on site according to user requirements, and the adaptability is higher.

Description

Technical Field

[0001] This utility model relates to the field of automotive bumper technology, specifically a height-adjustable front bumper for automobiles. Background Technology

[0002] The front bumper of a car is a safety device located at the bottom front of the vehicle. Its core function is to absorb the impact of a collision, protect the vehicle body structure, and ensure the safety of the occupants.

[0003] Existing patent application number: 202421904023.0 A car bumper includes a bumper body, a ventilation slot on the front side of the bumper body, light slots on both sides of the top of the bumper body, a license plate box fixedly connected to the middle of the bumper body, a hole slot on the front side of the license plate box, a slot on the top of the license plate box, a sliding groove on the inner wall of the license plate box, and a mounting hole on the back of the license plate box.

[0004] The aforementioned patent describes a car bumper. In practical applications, the overall structure of car bumpers on the market is fixed, which often makes it impossible to achieve height adjustment. It is also difficult to adjust the protective area of ​​the bumper during installation, resulting in poor adaptability. Therefore, we propose a height-adjustable car front bumper to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a height-adjustable front bumper for automobiles to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a height-adjustable car front bumper, comprising a bumper body and an adjustable guardrail. The adjustable guardrail is provided on the top of the bumper body. The adjustable guardrail includes a crash barrier, an active telescopic frame, and a passive telescopic frame. A crash barrier is provided directly above the bumper body. An active telescopic frame is installed in the center of the front of the bumper body and is connected to the center of the crash barrier. Passive telescopic frames are symmetrically arranged on the left and right sides of the front of the bumper body and are connected to the left and right sides of the crash barrier.

[0007] Preferably, the active telescopic frame and the driven telescopic frame have the same appearance.

[0008] Preferably, the active telescopic frame and the driven telescopic frame have the same telescopic length range.

[0009] Preferably, the active telescopic frame includes a first telescopic sleeve, a first sliding frame, a threaded groove, an adjusting screw, and a nut. The first telescopic sleeve is installed in the center of the front of the bumper body. A first sliding frame is slidably arranged inside the first telescopic sleeve. The first sliding frame is installed and connected to the center of the crash barrier. A threaded groove is opened at the bottom end of the first sliding frame. An adjusting screw is rotatably installed on the bottom surface inside the first telescopic sleeve. The adjusting screw is threadedly connected to the inside of the threaded groove. A nut is rotatably installed at the bottom of the first telescopic sleeve. The nut is connected to the shaft at the bottom end of the adjusting screw.

[0010] Preferably, the first sliding frame can slide out from inside the first telescopic sleeve without obstruction.

[0011] Preferably, the driven telescopic frame includes a second telescopic sleeve, a second sliding frame, a through hole, a mounting hole, and a fixing bolt. The second telescopic sleeve is symmetrically installed on the left and right sides of the front of the bumper body. The second sliding frame is slidably arranged inside the second telescopic sleeve. The second sliding frame is installed and connected to the side of the crash barrier. A through hole is provided in the middle of the bottom surface of the second telescopic sleeve, and the through hole connects to the inside of the second telescopic sleeve. The mounting hole is opened at the bottom end of the second sliding frame. The fixing bolt passes through the through hole, enters the inside of the second telescopic sleeve, and is tightened and fixed with the mounting hole.

[0012] Preferably, the second sliding frame can slide out from inside the second telescopic sleeve without obstruction.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model features an adjustable guardrail at the top of the bumper body. By unscrewing the fixing bolt from the mounting hole, the second sliding frame is allowed to slide freely inside the second telescopic sleeve. Then, a wrench is used to turn the nut to control the rotation of the adjusting screw. The threaded engagement between the adjusting screw and the threaded groove drives the first sliding frame to extend and retract inside the first telescopic sleeve, thereby controlling the extension and retraction of the active telescopic frame and adjusting the height of the crash barrier. During this process, the driven telescopic frame slides and retracts synchronously with the active telescopic frame. After the active telescopic frame is adjusted to the correct position, the fixing bolt is passed through the through hole into the second telescopic sleeve and tightened to secure it with the mounting hole, locking the driven telescopic frame to its current length. This completes the adjustment of the crash barrier's height, allowing for on-site adjustment of the crash barrier's height according to user needs, making it more adaptable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0016] Figure 2 This is a front view cross-sectional structural diagram of the active telescopic frame in this utility model;

[0017] Figure 3 This is a front view cross-sectional structural diagram of the driven telescopic frame in this utility model;

[0018] Figure 4 This utility model Figure 3 A schematic diagram of the structure after the central fixing bolts have been removed.

[0019] In the diagram: Bumper body-1, Adjustable guardrail-2, Crash barrier-21, Active telescopic frame-22, Telescopic sleeve-1-221, Sliding frame-1-222, Threaded groove-223, Adjusting screw-224, Nut-225, Driven telescopic frame-23, Telescopic sleeve-231, Sliding frame-232, Through hole-233, Mounting hole-234, Fixing bolt-235. Detailed Implementation

[0020] To further explain the technical solution of this utility model, a detailed description is provided below through specific embodiments.

[0021] Please see Figure 1 This utility model provides a height-adjustable car front bumper, including a bumper body 1 and an adjustable guardrail 2. The adjustable guardrail 2 is provided on the top of the bumper body 1. The adjustable guardrail 2 includes a crash barrier 21, an active telescopic frame 22 and a passive telescopic frame 23. The crash barrier 21 is provided directly above the bumper body 1. The active telescopic frame 22 is installed in the middle of the front of the bumper body 1 and is connected to the middle of the crash barrier 21. The passive telescopic frames 23 are symmetrically arranged on the left and right sides of the front of the bumper body 1 and are connected to the left and right sides of the crash barrier 21.

[0022] To further explain, the active telescopic frame 22 and the driven telescopic frame 23 have the same appearance, making the overall adjustable guardrail 2 more aesthetically pleasing and consistent.

[0023] To further explain, the active telescopic frame 22 and the driven telescopic frame 23 have the same telescopic length range, ensuring that the driven telescopic frame 23 can follow the active telescopic frame 22 to complete synchronous telescopic movements.

[0024] Please see Figure 2This utility model provides a height-adjustable car front bumper. The active telescopic frame 22 includes a first telescopic sleeve 221, a first sliding frame 222, a threaded groove 223, an adjusting screw 224, and a nut 225. The first telescopic sleeve 221 is installed in the middle of the front of the bumper body 1. The first sliding frame 222 is slidably arranged inside the first telescopic sleeve 221. The first sliding frame 222 is installed and connected to the middle of the crash barrier 21. The bottom end of the first sliding frame 222 has a threaded groove 223. The adjusting screw 224 is rotatably installed on the bottom surface inside the first telescopic sleeve 221. The adjusting screw 224 is threadedly connected to the inside of the threaded groove 223. The bottom of the first telescopic sleeve 221 is rotatably installed with a nut 225. The nut 225 is connected to the bottom shaft of the adjusting screw 224.

[0025] To further explain, the first sliding frame 222 can slide out of the first telescopic sleeve 221 without obstruction, allowing the first sliding frame 222 to be disassembled and separated from the first telescopic sleeve 221.

[0026] Please see Figure 3-4 This utility model provides a height-adjustable car front bumper. The driven telescopic frame 23 includes a second telescopic sleeve 231, a second sliding frame 232, a through hole 233, a mounting hole 234, and a fixing bolt 235. The second telescopic sleeve 231 is symmetrically installed on the left and right sides of the front of the bumper body 1. The second sliding frame 232 is slidably arranged inside the second telescopic sleeve 231. The second sliding frame 232 is installed and connected to the side of the crash barrier 21. The through hole 233 is provided through the middle of the bottom surface of the second telescopic sleeve 231 and connects to the inside of the second telescopic sleeve 231. The mounting hole 234 is opened at the bottom end of the second sliding frame 232. The fixing bolt 235 passes through the through hole 233 and enters the inside of the second telescopic sleeve 231 to be tightened and fixed with the mounting hole 234.

[0027] To further explain, the second sliding bracket 232 can slide out of the second telescopic sleeve 231 without obstruction, allowing the second sliding bracket 232 and the second telescopic sleeve 231 to be disassembled and separated, thereby realizing the disassembly of the bumper body 1 and the crash barrier 21. When the bumper body 1 or the crash barrier 21 is damaged by collision, it can be disassembled and replaced separately to reduce maintenance costs.

[0028] The working principle is as follows:

[0029] When the height of the crash barrier 21 needs to be adjusted, first unscrew the fixing bolt 235 from the mounting hole 234 to restore the free sliding of the second sliding frame 232 inside the second telescopic sleeve 231. Then, use a wrench to turn the nut 225 to control the rotation of the adjusting screw 224. The thread engagement between the adjusting screw 224 and the threaded groove 223 drives the first sliding frame 222 to extend and retract inside the first telescopic sleeve 221, thereby controlling the extension and retraction of the active telescopic frame 22 to adjust the height of the crash barrier 21. During this process, the driven telescopic frame 23 will extend and retract synchronously with the active telescopic frame 22. After the active telescopic frame 22 is adjusted to the correct position, pass the fixing bolt 235 through the through hole 233 into the second telescopic sleeve 231 and tighten it with the mounting hole 234 to lock the driven telescopic frame 23 at the current length, thus completing the adjustment of the height of the crash barrier 21. The height of the crash barrier 21 can be adjusted on-site according to user needs, making it more adaptable.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A height-adjustable automobile front bumper, characterized by: The system includes a bumper body (1) and an adjustable guardrail (2). The top of the bumper body (1) is provided with an adjustable guardrail (2). The adjustable guardrail (2) includes a crash barrier (21), an active telescopic frame (22), and a passive telescopic frame (23). The crash barrier (21) is provided directly above the bumper body (1). An active telescopic frame (22) is installed in the middle of the front of the bumper body (1). The active telescopic frame (22) is connected to the middle of the crash barrier (21). Passive telescopic frames (23) are symmetrically arranged on the left and right sides of the front of the bumper body (1). The passive telescopic frames (23) are connected to the left and right sides of the crash barrier (21).

2. The height adjustable front bumper of claim 1, wherein: The active telescopic frame (22) and the driven telescopic frame (23) have the same appearance.

3. The height adjustable front bumper of claim 1, wherein: The active telescopic frame (22) and the driven telescopic frame (23) have the same telescopic length range.

4. The height adjustable front bumper of claim 1, wherein: The active telescopic frame (22) includes a first telescopic sleeve (221), a first sliding frame (222), a threaded groove (223), an adjusting screw (224), and a nut (225). The first telescopic sleeve (221) is installed in the middle of the front of the bumper body (1). The first sliding frame (222) is slidably arranged inside the first telescopic sleeve (221). The first sliding frame (222) is installed and connected to the middle of the crash barrier (21). The first sliding frame (222) has a threaded groove (223) at the bottom end. The adjusting screw (224) is rotatably installed on the bottom surface inside the first telescopic sleeve (221). The adjusting screw (224) is threadedly connected to the inside of the threaded groove (223). The nut (225) is rotatably installed at the bottom of the first telescopic sleeve (221). The nut (225) is connected to the shaft at the bottom end of the adjusting screw (224).

5. The height adjustable front bumper of claim 4, wherein: The first sliding frame (222) can slide out from inside the first telescopic sleeve (221) without obstruction.

6. The height adjustable front bumper of claim 1, wherein: The driven telescopic frame (23) includes a second telescopic sleeve (231), a second sliding frame (232), a through hole (233), a mounting hole (234), and a fixing bolt (235). The second telescopic sleeve (231) is symmetrically installed on the left and right sides of the front of the bumper body (1). The second sliding frame (232) is slidably arranged inside the second telescopic sleeve (231). The second sliding frame (232) is installed and connected to the side of the crash barrier (21). The second telescopic sleeve (231) has a through hole (233) in the middle of the bottom surface. The through hole (233) is connected to the inside of the second telescopic sleeve (231). The second sliding frame (232) has a mounting hole (234) at the bottom end. The fixing bolt (235) passes through the through hole (233) and enters the inside of the second telescopic sleeve (231) to be tightened and fixed with the mounting hole (234).

7. The height adjustable front bumper of claim 6, wherein: The second sliding frame (232) can slide out from inside the second telescopic sleeve (231) without obstruction.

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