Framework assembly of rear bumper of pickup truck

By separating the main beam and subframe structure, the problem of replacing the entire rear bumper frame has been solved, achieving convenient maintenance and structural stability for partial replacement, reducing maintenance costs and time, and improving safety.

CN224028946UActive Publication Date: 2026-03-24YANGZHOU ZHENSHIDA MOLD BODY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing rear bumper frame needs to be replaced entirely after an impact, which increases repair costs and time.

Method used

The main beam and subframe structure are designed separately and connected by bolts and slide rails, allowing only the damaged parts to be replaced. It is combined with energy-absorbing boxes and damping springs to absorb and buffer impact forces.

Benefits of technology

It reduces maintenance costs and time, enhances structural stability, and protects driver safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224028946U_ABST
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Abstract

The utility model provides a pickup truck rear bumper framework assembly which comprises a main beam, a reserved area is arranged in the middle of one side of the main beam, mounting plates are connected to the two ends of the reserved area, energy absorption boxes are arranged on the mounting plates, mounting openings are formed in the energy absorption boxes, a main frame is arranged on one side of the reserved area, and the main frame is connected with the mounting plates. The two ends of the back face of the main frame are provided with connecting columns matched with the mounting openings, and the connecting columns are located in the mounting openings. The number of the connecting plates is two, the two connecting plates are located at the two ends of the main beam, a plurality of fourth bolts are arranged on one sides of the connecting plates, the fourth bolts are correspondingly connected with a plurality of angle braces, the angle braces are fixedly connected with an auxiliary frame, damping springs are arranged on the back face of the auxiliary frame, and the other ends of the damping springs are arranged on one faces of the connecting plates. Through the separated design of the main frame and the auxiliary frame, only the damaged part needs to be replaced during collision, installation is convenient, and meanwhile the maintenance cost and time are greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the rear bumper field especially pick-up truck rear bumper framework assembly. BACKGROUND

[0002] The rear bumper framework plays a vital role in the automobile structure, and its main function is to provide protection for the rear of the vehicle, and the component is usually made of metal material, has excellent strength and crashworthiness, can absorb impact energy in a collision event, reduces potential damage to other structures of the vehicle and occupants, in addition, the rear bumper framework also bears the responsibility of protecting the tail light, brake light and other key components behind, ensures that these components can maintain their functions when rear-end collision and other traffic accidents occur, thereby improving the driving safety.

[0003] Now there is a Chinese patent document CN201922278807.2 a kind of rear bumper framework with strength shock absorption, it includes upper framework, lower framework, shock pad, shock absorber, shock spring, connecting piece, upper framework and lower framework are equipped with shock pad between, upper framework and lower framework are connected, the bottom end of lower framework is equipped with two groups of shock absorber, the outside of shock absorber is equipped with shock spring, the bottom end of shock absorber is connected with connecting piece;The upper framework is matched with lower framework, after using the above technical scheme, the utility model has the beneficial effects that: the upper framework and lower framework are elastically connected, and two groups of shock absorbers are installed at the bottom end of lower framework, one shock spring is installed outside each group of shock absorber, so that the rear bumper framework has shock absorption effect, reduces the influence on the automobile main frame, thereby protecting the automobile main frame.

[0004] But the above patent has certain defects when using, because the upper framework and lower framework are elastically connected, and two groups of shock absorbers are installed at the bottom end of lower framework, because the upper framework and lower framework are integrally formed, whether the left side, right side or middle of rear bumper is impacted, it must be replaced integrally when replacing, which increases the maintenance cost and time.

[0005] Therefore, a pick-up truck rear bumper framework assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the problem that the existing anti-collision beam needs to be replaced as a whole after being impacted, thereby increasing the maintenance cost, the utility model provides a pick-up truck rear bumper framework assembly.

[0007] The utility model adopts the following technical solutions to achieve the following technical effects:

[0008] The pick-up truck rear bumper framework assembly comprises

[0009] The utility model discloses a main beam, one side middle part of the main beam is equipped with the reserved area, and both ends of the reserved area are connected with the mounting plate, and the mounting plate is equipped with the energy absorption box, and the energy absorption box is equipped with the installation port, and one side of the reserved area is equipped with the main frame, and the back of the main frame is equipped with the connecting column matched with the installation port, and the connecting column is located in the installation port.

[0010] The utility model discloses a connecting plate, which is equipped with two, and the two connecting plates are located at both ends of the main beam, one side of the connecting plate is equipped with a plurality of fourth bolts, a plurality of fourth bolts are correspondingly connected with a plurality of angle braces, a plurality of angle braces are fixedly connected with a vice frame, and the back of the vice frame is equipped with a damping spring, and the other end of the damping spring is arranged on one side of the connecting plate.

[0011] As a preferred scheme of the utility model, the main beam is equipped with a sliding groove at both ends, and the sliding groove is equipped with a slot at the end; the back of the two connecting plates is equipped with a sliding rail matched with the sliding groove, and the sliding rail is located in the sliding groove, and the sliding rail is equipped with an insertion block at the end, and the insertion block is matched with the slot.

[0012] As a preferred scheme of the utility model, the main beam is equipped with a fastener at both ends of the tail, the fastener is connected at the end of the sliding groove, the fastener is fixed at the main beam through the third bolt at both ends, and the fastener is equipped with a handle on one side.

[0013] As a preferred scheme of the utility model, a plurality of first bolts are arranged at both ends of the reserved area, and the two ends of the mounting plate are equipped with a first through hole, the first through hole is threadedly connected with the first bolt, and the end of the plurality of first bolts is connected with a first nut.

[0014] As a preferred scheme of the utility model, the energy absorption box and the connecting column are equipped with a second through hole, the second through hole is threadedly connected with a second bolt, and the end of the second bolt is connected with a second nut.

[0015] As a preferred scheme of the utility model, the end of the fourth bolt is connected with a fourth nut.

[0016] As a preferred scheme of the utility model, the main frame and the vice frame are equipped with convex layers with different depths on the outer walls.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The reserved area at the middle position of the main beam is fixed on the main beam through the first bolt and the mounting plate, then the connecting column on the back of the main frame is installed in the installation port, the second bolt is inserted into the second through hole and is fixed by using the second nut; two vice frames are arranged at both ends of the main beam, the sliding rail on the back of the connecting plate is inserted into the sliding groove, when the sliding rail reaches the end of the sliding groove, the insertion block is inserted into the slot, and the main frame and the vice frame are designed to be separated, so that only the damaged part needs to be replaced when impacting, which facilitates installation and greatly reduces maintenance cost and time.

[0019] 2. In the auxiliary frame installation, first the connecting plate back slide rail is inserted into the slide groove, ensures that the plug block is closely fitted with the slot, then the fastener is inserted into the end of the slide groove, is fixed on the main beam through the third bolt, the handle is convenient to operate, and installation and disassembly are convenient.

[0020] 3. The main frame and the auxiliary frame are provided with convex layers with different depths, when the main frame or the auxiliary frame is impacted, the convex layers with different depths can effectively disperse the impact force, enhance the structural stability, ensure that the main beam is not damaged, and protect the safety of the driver. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 It is the explosion diagram of the utility model;

[0023] Figure 3 It is the main frame structure diagram of the utility model;

[0024] Figure 4 It is the auxiliary frame structure diagram of the utility model;

[0025] Figure 5 It is the main beam structure diagram of the utility model;

[0026] In the drawing: 1, main beam; 2, reserved area; 21, first bolt; 22, mounting plate; 23, first through hole; 24, first nut; 25, energy-absorbing box; 26, mounting port; 3, main frame; 31, connecting column; 32, second through hole; 33, second bolt; 34, second nut; 4, slide groove; 41, slot; 42, third bolt; 43, fastener; 44, handle; 5, connecting plate; 51, slide rail; 52, plug block; 53, fourth bolt; 6, auxiliary frame; 61, gusset; 62, fourth nut; 7, convex layer; 8, damping spring. DETAILED DESCRIPTION

[0027] The technical schemes in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Embodiment:

[0029] Please refer to Figures 1-5 , the pickup rear bumper framework assembly comprises:

[0030] The main beam 1, one side of the middle part is provided with a reserved area 2, the both ends of the reserved area 2 are connected with the mounting plate 22, the mounting plate 22 is provided with the energy absorption box 25, the energy absorption box 25 is provided with the mounting port 26, one side of the reserved area 2 is provided with the main frame 3, the back of the main frame 3 is provided with the connecting column 31 matched with the mounting port 26, and the connecting column 31 is located in the mounting port 26.

[0031] The connecting plate 5 is provided with two, two connecting plates 5 are located at the both ends of the main beam 1, one side of the connecting plate 5 is provided with a plurality of fourth bolts 53, a plurality of fourth bolts 53 are correspondingly connected with a plurality of angle braces 61, a plurality of angle braces 61 are fixedly connected with the auxiliary frame 6, and the back of the auxiliary frame 6 is provided with the damping spring 8, and the other end of the damping spring 8 is arranged on one side of the connecting plate 5.

[0032] In the embodiment, the middle position of one side of the main beam 1 is provided with the reserved area 2, the both ends of the reserved area 2 are provided with the mounting plate 22, one side of the mounting plate 22 is provided with the energy absorption box 25, the energy absorption box 25 is used for absorbing and dispersing impact force when being impacted, protecting the structure of the main beam 1 from being damaged, the energy absorption box 25 is provided with the mounting port 26, one side of the reserved area 2 is provided with the main frame 3, the back of the main frame 3 is provided with the connecting column 31, the size of the connecting column 31 is matched with the mounting port 26, the connection is firm, when the main frame 3 needs to be installed, the connecting column 31 is inserted into the mounting port 26, and accurate positioning is realized, the both ends of the main beam 1 are provided with the connecting plate 5, the connecting plate 5 is provided with a plurality of fourth bolts 53 on one side, a plurality of fourth bolts 53 are correspondingly connected with a plurality of angle braces 61, the other end of the plurality of angle braces 61 is fixedly connected with the auxiliary frame 6, the back of the auxiliary frame 6 is provided with the damping spring 8, and the other end of the damping spring 8 is fixed on the connecting plate 5, the damping spring 8 can effectively buffer vibration when being subjected to external force, and the structure of the auxiliary frame 6 and the main beam 1 is stable.

[0033] Specifically, the both ends of the main beam 1 are provided with the sliding groove 4, and the sliding groove 4 is provided with the insertion slot 41 at the end; the back of the connecting plate 5 is provided with the sliding rail 51 matched with the sliding groove 4, and the sliding rail 51 is located in the sliding groove 4; and the end of the sliding rail 51 is provided with the insertion block 52 matched with the insertion slot 41.

[0034] In the embodiment, the both ends of the main beam 1 are provided with the sliding groove 4, and the sliding groove 4 is provided with the insertion slot 41 at the end; the back of the connecting plate 5 is provided with the sliding rail 51 matched with the sliding groove 4, and the sliding rail 51 is located in the sliding groove 4; and the end of the sliding rail 51 is provided with the insertion block 52 matched with the insertion slot 41.

[0035] Specifically, the main beam 1 is provided with fasteners 43 at both ends, the fasteners 43 are connected at the ends of the sliding groove 4, the fasteners 43 are fixed at both ends of the main beam 1 through the third bolts 42, and the fasteners 43 are provided with handles 44 on one side.

[0036] In the embodiment, the main beam 1 is provided with fasteners 43 at both ends, the fasteners 43 are located at the ends of the sliding groove 4, the fasteners 43 are used to fix the sliding rails 51, the fasteners 43 are provided with third bolts 42 at both ends on one side and are fixed on the main beam 1, and the fasteners 43 are provided with handles 44 on one side to facilitate gripping and improve installation efficiency.

[0037] Specifically, a plurality of first bolts 21 are arranged at both ends of the reserved area 2, first through holes 23 are arranged at both ends of the mounting plate 22, the first through holes 23 are threadedly connected with the first bolts 21, and first nuts 24 are connected at the ends of the plurality of first bolts 21.

[0038] In the embodiment, a plurality of first bolts 21 are arranged at the positions where the reserved area 2 and the mounting plate 22 are in contact, first through holes 23 are arranged at both ends of the mounting plate 22, the first through holes 23 are threadedly connected with the first bolts 21, and first nuts 24 are threadedly connected at the ends of the first bolts 21 to fasten.

[0039] Specifically, the energy absorption box 25 and the connecting column 31 are provided with a second through hole 32, the second through hole 32 is threadedly connected with a second bolt 33, and the second bolt 33 is connected with a second nut 34 at the end.

[0040] In the embodiment, the energy absorption box 25 and the connecting column 31 are provided with a second through hole 32, the second through hole 32 is threadedly connected with a second bolt 33, when the connecting column 31 is inserted into the energy absorption box 25, the second bolt 33 is screwed into the second through hole 32, the main frame 3 is fixedly installed on the main beam 1, and a second nut 34 is threadedly connected at the end of the second bolt 33 to fasten.

[0041] Specifically, the fourth bolt 53 is connected with a fourth nut 62 at the end.

[0042] In the embodiment, the fourth bolt 53 is threadedly connected with a fourth nut 62 at the end to fasten, a plurality of legs are inserted into the fourth bolt 53, and the fourth nut 62 is used for fastening, so that the installation is convenient and the structural stability of the auxiliary frame 6 is ensured.

[0043] Specifically, the main frame 3 and the auxiliary frame 6 are provided with protrusion layers 7 of different depths.

[0044] In the embodiment, the main frame 3 and the auxiliary frame 6 are provided with protrusion layers 7 of different depths, when the main frame 3 or the auxiliary frame 6 is impacted, the protrusion layers 7 of different depths can effectively disperse the impact force and enhance the structural stability.

[0045] The principle of the utility model is: first threaded hole 23 of both ends of mounting plate 22 is inserted into first bolt 21 of one side of main beam 1, then first nut 24 is fastened, then connecting column 31 is inserted into built-in mounting port 26 of energy absorption box 25, second bolt 33 is inserted into second threaded hole 32, and is fastened by rotating second nut 34, and main frame 3 is installed; sliding rail 51 of back of connecting plate 5 is inserted into sliding groove 4 and slides, when sliding rail 51 reaches the predetermined position, plug block 52 is tightly combined with slot 41, then fastener 43 is inserted into the end of sliding groove 4, third bolt 42 is tightened, the stability of sliding rail 51 is ensured, then angle brace 61 is inserted into fourth bolt 53, fourth nut 62 is tightened, and vice frame 6 is installed.

[0046] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the improvement concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. A pickup truck rear bumper frame assembly, characterized in that, include: The main beam has a reserved area in the middle of one side, and mounting plates are connected to both ends of the reserved area. An energy-absorbing box is provided on the mounting plate, and an installation port is provided inside the energy-absorbing box. A main frame is provided on one side of the reserved area, and connecting columns matching the installation ports are provided at both ends of the back of the main frame, and the connecting columns are located inside the installation ports. The connecting plate is provided in two, and the two connecting plates are located at both ends of the main beam. A plurality of fourth bolts are provided on one side of the connecting plate, and a plurality of corner braces are correspondingly connected to the plurality of fourth bolts. The plurality of corner braces are fixedly connected to the sub-frame, and a damping spring is provided on the back of the sub-frame. The other end of the damping spring is provided on one side of the connecting plate.

2. The pickup truck rear bumper frame assembly according to claim 1, characterized in that: The main beam has grooves at both ends and slots at the ends of the grooves; the back of both connecting plates is provided with slide rails that match the grooves, and the slide rails are located inside the grooves. The ends of the slide rails are provided with inserts that match the slots.

3. The pickup truck rear bumper frame assembly according to claim 2, characterized in that: Fasteners are provided at both ends of the main beam. The fasteners are connected to the ends of the slide grooves. Both ends of the fasteners are fixed to the main beam by a third bolt. A handle is provided on one side of the fastener.

4. The pickup truck rear bumper frame assembly according to claim 1, characterized in that: Multiple first bolts are provided at both ends of the reserved area, and first through holes are provided at both ends of the mounting plate. The first through holes are threadedly connected to the first bolts, and the ends of the multiple first bolts are connected to first nuts.

5. The pickup truck rear bumper frame assembly according to claim 1, characterized in that: The energy-absorbing box and the connecting column are provided with a second through hole, and a second bolt is threaded into the second through hole. A second nut is connected to the end of the second bolt.

6. The pickup truck rear bumper frame assembly according to claim 1, characterized in that: The fourth bolt is connected to a fourth nut at its end.

7. The pickup truck rear bumper frame assembly according to claim 1, characterized in that: The outer walls of the main frame and the sub-frame are provided with raised layers of varying depths.

Citation Information

Patent Citations

  • Rear bumper framework with strength shock absorption function

    CN211663201U