CN218877153U

CN218877153U - Vehicle rear protection structure for improving connection strength

Info

Publication number: CN218877153U
Application number: CN202223453601.7U
Authority: CN
Inventors: 杨能; 程阿罗; 胡林峰; 杨刚
Original assignee: Chengli Heavy Industry Co ltd
Current assignee: Chengli Heavy Industry Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-18
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses an improve joint strength's protective structure behind vehicle, including back rail guard, back rail guard is installed on the roof beam of frame afterbody through a pair of linking bridge, back rail guard is located the equal fixedly connected with connecting plate of side of linking bridge, the connecting plate with bolted connection is adopted to the bottom of linking bridge, the bottom of linking bridge with be provided with between the tip side of back rail guard and connect the fagging, be provided with the horizontal pole in the through hole between the bottom middle part of linking bridge, the both ends of horizontal pole all are provided with the thread head, the thread head passes connect the spacing hole of fagging top connection limit department, and the thread head passes through the nut and will connect fagging and linking bridge spacing connection. Has the advantages that: through the horizontal pole with be connected fagging and linking bridge and be connected, connecting plate and linking bridge are connected with the back rail guard and are formed whole cooperation and be connected to effectively improve joint strength, when bumping, difficult emergence is fallen.

Description

Vehicle rear protection structure for improving connection strength

Technical Field

The utility model relates to an automobile parts technical field relates to an improve joint strength's protective structure behind vehicle particularly.

Background

The rear protection is used as a passive safety protection barrier behind a vehicle (a sprinkler and a light truck), and is an important device for absorbing and buffering external impact force and preventing collision objects from being drawn into the bottom of the vehicle, so that the rear protection component is an important component capable of absorbing and buffering the impact force of the outside to the vehicle and improving the safety of the whole vehicle.

Present back protective structure comprises back rail guard and support, install back rail guard in the frame afterbody through the support, wherein the support plays connection and supporting role, back rail guard plays critical guard action, the direct welding of original work piece shaping is unfavorable for spare part and deposits, make the welding operation that needs to waste time and energy during the assembly, increase staff's fatigue degree, simultaneously, be connected for two concentration points in the side between the support of installation and the back rail guard, joint strength is lower, after the collision, take place to drop easily.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an improve joint strength's protective structure behind vehicle to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides an improve joint strength's protective structure behind vehicle, includes back rail guard, back rail guard is installed on the roof beam of frame afterbody through a pair of linking bridge, back rail guard is located the equal fixedly connected with connecting plate of the side of linking bridge, the connecting plate with bolted connection is adopted to the bottom of linking bridge, the bottom of linking bridge with be provided with between the tip side of back rail guard and connect the fagging, be provided with the horizontal pole in the through hole between the bottom middle part of linking bridge, the both ends of horizontal pole all are provided with the thread head, the thread head passes connect the spacing hole of fagging top connection limit department, and the thread head will be connected fagging and linking bridge spacing connection through the nut.

Furthermore, the connecting plate is of an L-shaped structure, and one surface of the connecting plate is fixedly connected with the rear guard rail in a welding mode.

Furthermore, the upper parts of the connecting supports are provided with flanging reinforcing structures, and the middle parts of the connecting supports are provided with lightening holes.

Furthermore, a plurality of mounting holes are formed in the end portion of the connecting support, and the connecting support is fixedly connected with the beam at the tail portion of the frame through a plurality of bolts and the matching of the mounting holes.

Furthermore, a handle is arranged in the middle of the cross rod.

Furthermore, guardrail blanking covers are arranged at two ends of the rear guardrail, and two ends, close to the guardrail blanking covers, of the rear guardrail are fluorescence deep color areas.

Furthermore, the connection supporting plate is connected with the side edge of the rear protective guard through screws.

The utility model provides an improve joint strength's protective structure behind vehicle, beneficial effect as follows: the utility model discloses a back rail guard is at connecting plate and linking bridge bolted connection, form a preliminary back protection and connect, the cooperation horizontal pole further will be connected fagging and linking bridge and connect, make to form whole cooperation between linking bridge and the back rail guard, and use the bolt to equip the mode during assembly, alleviate staff's fatigue degree, improve production efficiency, and simultaneously, be connected through horizontal pole and connection fagging and linking bridge, connecting plate and linking bridge are connected with back rail guard and are formed the whole cooperation and be connected, thereby effectively improve joint strength, when bumping, be difficult for taking place to drop.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a vehicle rear protection structure for improving connection strength according to an embodiment of the present invention;

fig. 2 is a front view of a rear protective structure of a vehicle for improving connection strength according to an embodiment of the present invention;

FIG. 3 is a side view of a rear vehicle protective structure with improved attachment strength in accordance with an embodiment of the present invention;

fig. 4 is a schematic diagram of a connecting plate of a vehicle rear protection structure for improving connection strength according to an embodiment of the present invention;

fig. 5 is a cross bar schematic diagram of a vehicle rear protective structure for improving connection strength according to an embodiment of the present invention.

In the figure:

1. a rear guard rail; 2. connecting a bracket; 3. a connecting plate; 4. connecting a supporting plate; 5. a cross bar; 6. a screw head; 7. a flanging reinforcing structure; 8. mounting holes; 9. a handle; 10. blocking the guard bar; 11. and (7) lightening holes.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an improve joint strength's protective structure behind vehicle.

The first embodiment is as follows:

as shown in fig. 1-5, according to the utility model discloses an improve joint strength's vehicle rear protective structure, including rear protective guard 1, rear protective guard 1 is installed on the roof beam of frame afterbody through a pair of linking bridge 2, rear protective guard 1 is located the equal fixedly connected with connecting plate 3 of side of linking bridge 2, connecting plate 3 with bolted connection is adopted to the bottom of linking bridge 2, the bottom of linking bridge 2 with be provided with between the tip side of rear protective guard 1 and connect fagging 4, be provided with horizontal pole 5 in the through hole between the bottom middle part of linking bridge 2, the both ends of horizontal pole 5 all are provided with screwed head 6, screwed head 6 passes the spacing hole of connecting fagging 4 top flange department, and screwed head 6 will connect fagging 4 and linking bridge 2 limit connection through the nut.

Connecting plate 3 welds to back rail guard 1, be convenient for spare part and transportation, linking bridge 2 and the roof beam cooperation bolted connection of frame afterbody, rethread connecting plate 3 and linking bridge 2 bolted connection, form a preliminary back protection and connect, install two liang of linking bridge 2 with horizontal pole 5 on, the spacing hole of connecting fagging 4 top joint limit department penetrates the screw thread head 6 at horizontal pole 5 both ends, fix through the nut, the other end of connecting fagging 4 is fixed again with back rail guard 1 screw, use the bolt equipment mode during assembly, alleviate staff's fatigue degree, improve production efficiency, can effectively improve linking bridge 2's intensity through turn-ups additional strengthening 7, both sides through connecting fagging 4 respectively with the side fixed connection of back rail guard, cooperation horizontal pole 5 further will connect fagging 4 and linking bridge 2, make to form the whole cooperation between linking bridge 2 and the back rail guard 1, thereby effectively improve joint strength, when the emergence collision, be difficult for taking place and drop.

Example two:

as shown in fig. 1 to 5, the connecting plate 3 has an L-shaped structure, and one surface of the connecting plate 3 is fixedly connected to the rear guard rail 1 by welding. The upper portion of linking bridge 2 all is provided with turn-ups additional strengthening 7, the middle part of linking bridge 2 is provided with lightening hole 11. The end of the connecting bracket 2 is provided with a plurality of mounting holes 8, and the connecting bracket 2 is fixedly connected with a beam at the tail part of the frame through a plurality of bolts and the cooperation of the mounting holes 8. The strength of the connecting bracket 2 can be effectively improved through the flanging reinforcing structure 7.

As shown in fig. 1-5, a handle 9 is provided in the middle of the crossbar 5. The two ends of the rear protective guard 1 are both provided with a protective guard blanking cover 10, and the two ends of the rear protective guard 1 close to the protective guard blanking cover 10 are fluorescent dark-colored areas. The connecting supporting plate 4 is connected with the side edge of the rear protective guard 1 through screws.

Through the setting of the fluorescent dark zone, the fluorescent mode is adopted, and the observation and the reminding of the rear part of the vehicle at night and at ordinary times are facilitated.

In the time of practical application, connecting plate 3 welds to back rail guard 1, be convenient for spare part and transportation, linking bridge 2 and the roof beam cooperation bolted connection of frame afterbody, rethread connecting plate 3 and linking bridge 2 bolted connection, form a preliminary back protection and connect, install two liang of linking bridge 2 with horizontal pole 5 on, the spacing hole of 4 top flange departments of connection fagging penetrates the screw thread head 6 at horizontal pole 5 both ends, fix through the nut, the other end of connecting fagging 4 is fixed again with back rail guard 1 screw, use the bolt equipment mode during the assembly, alleviate staff's fatigue degree, improve production efficiency, can effectively improve linking bridge 2's intensity through turn-ups additional strengthening 7, both sides through connecting fagging 4 respectively with the side fixed connection of back rail guard 1, cooperation horizontal pole 5 further will be connected fagging 4 and linking bridge 2, make to form the whole cooperation between linking bridge 2 and the back rail guard 1, thereby effectively improve joint strength, when bumping, be difficult for taking place to drop.

To sum up, with the help of the above technical scheme of the utility model, through back rail guard 1 at connecting plate 3 and linking bridge 2 bolted connection, form a preliminary back protection and connect, cooperation horizontal pole 5 further will be connected fagging 4 and linking bridge 2 and connect, make to form whole cooperation between linking bridge 2 and the back rail guard 1, and use the bolt to equip the mode during assembly, alleviate staff's fatigue degree, improve production efficiency, and simultaneously, be connected with connecting fagging 4 and linking bridge 2 through horizontal pole 5, connecting plate 3 and linking bridge 2 are connected with back rail guard 1 and form whole cooperation and be connected, thereby effectively improve joint strength, when bumping, be difficult for taking place to drop.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an improve joint strength's protective structure behind vehicle, includes back rail guard (1), back rail guard (1) is installed on the roof beam of frame afterbody through a pair of linking bridge (2), a serial communication port, back rail guard (1) is located the equal fixedly connected with connecting plate (3) of side of linking bridge (2), connecting plate (3) with bolted connection is adopted to the bottom of linking bridge (2), the bottom of linking bridge (2) with be provided with between the tip side of back rail guard (1) and connect fagging (4), be provided with horizontal pole (5) in the through hole between the bottom middle part of linking bridge (2), the both ends of horizontal pole (5) all are provided with screwed head (6), screwed head (6) pass connect the spacing hole of fagging (4) top connection limit department, screwed head (6) will connect fagging (4) and linking bridge (2) spacing connection through the nut.

2. The vehicle rear protective structure with the improved connection strength as claimed in claim 1, wherein the connecting plate (3) is an L-shaped structure, and one surface of the connecting plate (3) is fixedly connected with the rear protective guard (1) by welding.

3. The vehicle rear protection structure with the improved connection strength as claimed in claim 1, wherein the upper part of the connecting bracket (2) is provided with a flanging reinforcing structure (7), and the middle part of the connecting bracket (2) is provided with a lightening hole (11).

4. The vehicle rear protection structure with the improved connection strength as claimed in claim 1, wherein the end of the connecting bracket (2) is provided with a plurality of mounting holes (8), and the connecting bracket (2) is fixedly connected with a beam at the tail part of the vehicle frame through a plurality of bolts matched with the mounting holes (8).

5. The vehicle rear guard structure with the improved connection strength as claimed in claim 1, wherein a handle (9) is provided at a middle portion of the cross bar (5).

6. The vehicle rear protection structure with improved connection strength according to claim 1, wherein a guardrail blocking cap (10) is disposed at each end of the rear protective guardrail (1), and fluorescent dark color areas are disposed at each end of the rear protective guardrail (1) close to the guardrail blocking cap (10).

7. The vehicle rear guard structure with the improved connection strength as claimed in claim 1, wherein the connection bracing plate (4) is connected with the side of the rear guard rail (1) by a screw.