CN216916056U

CN216916056U - Rear floor beam connecting structure capable of improving safety

Info

Publication number: CN216916056U
Application number: CN202123376236.XU
Authority: CN
Inventors: 刘贵华
Original assignee: Qingdao Baoju Stamping Parts Co ltd
Current assignee: Qingdao Baoju Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-08
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a rear floor beam connecting structure for improving safety, which relates to the field of automobiles and comprises a rear floor body, wherein rear longitudinal beams are arranged on two sides of the outer surface of the rear floor body, lap-joint beams are arranged on one side of each rear longitudinal beam, a middle beam is connected between the two lap-joint beams, a positioning assembly is arranged on the outer surface of the middle beam, a middle reinforcing beam is arranged below the outer surface of the rear floor body, reinforcing plates are fixed above the outer surface of the rear floor body and on one side of the outer surface of the rear floor body, and a buffering assembly is arranged on the outer surface of each reinforcing plate. According to the utility model, the buffer assembly is arranged, when the buffer plate is stressed, the buffer plate can move, meanwhile, the buffer plate can extrude the buffer spring, the buffer spring can be stressed and compressed, and the limiting plate can move out of the limiting groove, so that the impact force applied to the buffer plate can be buffered, the reinforcing plate and the rear floor body are prevented from being directly damaged due to large impact force, and the protection effect on the reinforcing plate is further improved.

Description

Rear floor beam connecting structure capable of improving safety

Technical Field

The utility model relates to the field of automobiles, in particular to a rear floor beam connecting structure for improving safety.

Background

The rear floor assembly is a part of a white body framework and has a bearing function, and when workers assemble the rear floor assembly, some functional parts need to be installed on the rear floor partially.

The rear floor assembly structure of the automobile is disclosed according to the Chinese patent with the publication number of CN109080710B, has reasonable structural design and layout, reasonable process and convenient manufacture, is suitable for platformization and modularization, shortens the development period and reduces the production cost; however, when the reinforcing plate receives external impact force, the reinforcing plate and the rear floor body can receive large impact force due to the fact that the external impact force is difficult to buffer, damage is easily caused after the reinforcing plate and the rear floor body get off for a long time, the service lives of the rear floor body and the reinforcing plate are further reduced, meanwhile, when the middle reinforcing beam is installed on the rear floor body, due to the fact that bolt holes in the rear floor body are difficult to align accurately with bolt holes in the middle reinforcing beam, a user is difficult to accurately screw bolts into the middle reinforcing beam, and installation efficiency of the reinforcing beam is further reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide a rear floor beam connecting structure with improved safety, so as to solve the technical problems that a reinforcing plate is easy to damage after being subjected to external impact for a long time and a middle reinforcing beam is difficult to install quickly.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a improve back floor crossbeam connection structure of security, includes back floor body, back longeron is all installed to the surface both sides of back floor body, the overlap joint crossbeam is installed to one side of back longeron, two be connected with the intermediate transverse beam between the overlap joint crossbeam, the surface of intermediate transverse beam is provided with locating component, the middle part stiffening beam is installed to the surface below of back floor body, the surface top and surface one side of back floor body all are fixed with the reinforcing plate, the surface of reinforcing plate is provided with the buffering subassembly, horizontal recess and vertical recess have been seted up respectively to the surface of back floor body.

Through adopting above-mentioned technical scheme, overlap joint crossbeam, middle cross beam and back longeron all can improve the compressive strength of back floor body, prevent that back floor body from receiving great impact and damaging, have improved the life of back floor body then.

Furthermore, buffering subassembly is including installing in many dead levers and buffer spring of reinforcing plate surface, buffer spring's one end is connected with the buffer board, the spacing groove has been seted up to the surface of buffer board, the one end of dead lever runs through to the inside of spacing groove and is connected with the limiting plate.

Through adopting above-mentioned technical scheme, can cushion the impact that the buffer board received after buffer spring atress compression, avoid the reinforcing plate to receive great impact and cause the damage, improved the protective effect to the reinforcing plate then.

Further, limiting plate and spacing groove looks adaptation, the dead lever is located buffer spring's inside, buffer spring adopts manganese steel material preparation to form, buffer board and dead lever sliding connection.

Through adopting above-mentioned technical scheme, can make the limiting plate shift out from the spacing inslot, when the buffer board atress took place to remove, it can extrude buffer spring, and buffer spring can atress compression simultaneously.

Furthermore, the positioning assembly comprises a slot arranged on the outer surface of the middle cross beam and two clamping slots arranged inside the middle cross beam, a movable shaft is arranged between the two clamping slots, an insertion block is sleeved on the outer surface of the movable shaft, and the bottom of the insertion block is connected with the middle stiffening beam.

Through adopting above-mentioned technical scheme, when the stiffening beam in middle part needs to be installed, the user inserts the inserted block to the slot earlier, and make the both ends card of loose axle go into to the draw-in groove in, press down middle part stiffening beam after that, so that the loose axle immigration to draw-in groove inside below and make the inserted block insert to the inside below of slot, promote the middle part stiffening beam after that, so that the loose axle stretches into to the innermost of draw-in groove, so that the inserted block can be stable insert to the slot inside, then improved the stability of inserted block.

Furthermore, the clamping groove is communicated with the slot, the movable shaft is connected with the clamping groove in a sliding mode, the inserting block is located inside the slot, and the inserting block is matched with the slot.

Through adopting above-mentioned technical scheme, can make the inserted block insert to the slot inside to install the stiffening beam in middle part fast, the loose axle can slide in the draw-in groove simultaneously.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the buffer assembly is arranged, when the buffer plate is stressed, the buffer plate can move, meanwhile, the buffer plate can extrude the buffer spring, the buffer spring can be stressed and compressed, and the limiting plate can move out of the limiting groove, so that the impact force on the buffer plate can be buffered, the reinforcing plate and the rear floor body are prevented from being directly damaged due to large impact force, and the protection effect on the reinforcing plate is further improved;

2. according to the utility model, through the arrangement of the positioning assembly, when the middle reinforcing beam needs to be installed, a user firstly inserts the insertion block into the slot, and the two ends of the movable shaft are clamped into the clamping slot, then the middle reinforcing beam is pressed downwards, so that the movable shaft is moved into the lower part of the inner part of the clamping slot and the insertion block is inserted into the lower part of the inner part of the slot, then the middle reinforcing beam is pushed, so that the movable shaft extends into the innermost part of the clamping slot, so that the insertion block can be stably inserted into the inner part of the slot, the stability of the insertion block is improved, meanwhile, the bolt hole on the middle reinforcing beam is aligned with the bolt hole on the rear floor conveniently, the dislocation of the threaded holes on the middle reinforcing beam and the rear floor is prevented, the user can quickly screw the fixing bolt into the middle reinforcing beam and the rear floor, and the installation efficiency of the middle reinforcing beam is improved.

Drawings

FIG. 1 is a front view of the rear floor body of the present invention;

FIG. 2 is a schematic side sectional view of a middle beam of the present invention;

FIG. 3 is a schematic cross-sectional view of a stiffener plate according to the present invention;

fig. 4 is a schematic perspective view of the middle reinforcing beam according to the present invention.

In the figure: 1. a rear floor body; 2. a rear stringer; 3. a middle cross beam; 4. overlapping the cross beams; 5. a reinforcing plate; 6. a transverse groove; 7. a middle stiffening beam; 8. a buffer assembly; 801. fixing the rod; 802. a buffer spring; 803. a limiting plate; 804. a limiting groove; 805. a buffer plate; 9. a positioning assembly; 901. a movable shaft; 902. a card slot; 903. a slot; 904. inserting a block; 10. a vertical groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A rear floor beam connecting structure for improving safety is disclosed, as shown in FIG. 1, FIG. 3 and FIG. 4, comprising a rear floor body 1, rear longitudinal beams 2 are mounted on both sides of the outer surface of the rear floor body 1, lap cross beams 4 are mounted on one side of the rear longitudinal beams 2, a middle cross beam 3 is connected between the two lap cross beams 4, a positioning assembly 9 is arranged on the outer surface of the middle cross beam 3, a middle reinforcing beam 7 is mounted below the outer surface of the rear floor body 1, the lap cross beams 4, the middle cross beam 3 and the rear longitudinal beams 2 can improve the compressive strength of the rear floor body 1, the rear floor body 1 is prevented from being damaged by larger impact, the service life of the rear floor body 1 is prolonged, reinforcing plates 5 are fixed on both the upper part of the outer surface and one side of the outer surface of the rear floor body 1, a buffer assembly 8 is arranged on the outer surface of the reinforcing plate 5, the buffer assembly 8 comprises a plurality of fixing rods 801 and buffer springs 802 which are mounted on the outer surface of the reinforcing plates 5, buffer spring 802's one end is connected with buffer plate 805, can cushion the impact that buffer plate 805 received after buffer spring 802 atress compression, avoid reinforcing plate 5 to receive great impact and cause the damage, then improved the protecting effect to reinforcing plate 5, spacing groove 804 has been seted up to buffer plate 805's surface, the one end of dead lever 801 runs through the inside to spacing groove 804 and is connected with limiting plate 803, limiting plate 803 and spacing groove 804 looks adaptation, dead lever 801 is located buffer spring 802's inside, buffer spring 802 adopts the manganese steel material preparation to form, buffer plate 805 and dead lever 801 sliding connection, can make limiting plate 803 follow spacing groove 804 and move out, when buffer plate 805 atress takes place to remove, it can extrude buffer spring 802, buffer spring 802 can receive the atress compression, horizontal recess 6 and vertical recess 10 have been seted up respectively to the surface of back floor body 1.

Referring to fig. 1, 2 and 4, the positioning assembly 9 includes a slot 903 opened on an outer surface of the middle beam 3 and two slots 902 opened inside the middle beam 3, a movable shaft 901 is disposed between the two slots 902, an insertion block 904 is sleeved on an outer surface of the movable shaft 901, when the middle reinforcing beam 7 needs to be installed, a user inserts the insertion block 904 into the slot 903 first, and both ends of the movable shaft 901 are inserted into the slots 902, and then presses the middle reinforcing beam 7 downward, so that the movable shaft 901 is moved into a lower portion inside the slot 902 and the insertion block 904 is inserted into a lower portion inside the slot 903, and then pushes the middle reinforcing beam 7, so that the movable shaft 901 extends into an innermost portion of the slot 902, so that the insertion block 904 can be stably inserted into the slot 903, thereby improving stability of the insertion block 904, the slots are communicated with the slots 903, the movable shaft 901 is slidably connected with the slots 902, and the insertion block 904 is located inside the slot 903, the insertion block 904 is adapted to the slot 903, so that the insertion block 904 can be inserted into the slot 903 to mount the middle reinforcing beam 7 quickly, the movable shaft 901 can slide in the slot 902, and the bottom of the insertion block 904 is connected with the middle reinforcing beam 7.

The implementation principle of the embodiment is as follows: firstly, when the middle reinforcing beam 7 needs to be installed, a user firstly inserts the insertion block 904 into the slot 903, and the two ends of the movable shaft 901 are inserted into the slot 902, then presses the middle reinforcing beam 7 downwards, so that the movable shaft 901 is moved into the lower part inside the slot 902 and the insertion block 904 is inserted into the lower part inside the slot 903, then pushes the middle reinforcing beam 7, so that the movable shaft 901 is inserted into the innermost part of the slot 902, so that the insertion block 904 can be stably inserted into the slot 903, further the stability of the insertion block 904 is improved, meanwhile, the bolt holes on the middle reinforcing beam 7 are aligned with the bolt holes on the rear floor body 1, the dislocation of the threaded holes on the middle reinforcing beam 7 and the rear floor body 1 is prevented, so that the user can quickly screw fixing bolts on the middle reinforcing beam 7 and fix the middle reinforcing beam 7, and when the buffer plate 805 is stressed, the middle reinforcing beam moves, meanwhile, the buffer plate 805 can extrude the buffer spring 802, the buffer spring 802 can be stressed and compressed, the limiting plate can be moved out of the limiting groove, the impact force on the buffer plate 805 can be buffered, and the reinforcing plate 5 and the rear floor body 1 are prevented from being directly damaged due to the fact that the reinforcing plate and the rear floor body 1 directly receive large impact force.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides an improve rear floor crossbeam connection structure of security, includes rear floor body (1), its characterized in that: rear longitudinal beams (2) are installed on two sides of the outer surface of the rear floor body (1), lap-joint cross beams (4) are installed on one sides of the rear longitudinal beams (2), middle cross beams (3) are connected between the lap-joint cross beams (4), positioning assemblies (9) are arranged on the outer surface of each middle cross beam (3), middle reinforcing beams (7) are installed below the outer surface of the rear floor body (1), reinforcing plates (5) are fixed on the upper portion of the outer surface of the rear floor body (1) and one side of the outer surface of the rear floor body, buffering assemblies (8) are arranged on the outer surface of each reinforcing plate (5), and transverse grooves (6) and vertical grooves (10) are respectively formed in the outer surface of the rear floor body (1).

2. A rear floor cross member connecting structure for improving safety according to claim 1, wherein: the buffer assembly (8) comprises a plurality of fixing rods (801) and buffer springs (802) which are installed on the outer surface of the reinforcing plate (5), one end of each buffer spring (802) is connected with a buffer plate (805), a limiting groove (804) is formed in the outer surface of each buffer plate (805), and one end of each fixing rod (801) penetrates through the inside of each limiting groove (804) and is connected with each limiting plate (803).

3. A rear floor cross member connecting structure for improving safety according to claim 2, wherein: the limiting plate (803) is matched with the limiting groove (804), the fixing rod (801) is located inside the buffer spring (802), the buffer spring (802) is made of manganese steel materials, and the buffer plate (805) is connected with the fixing rod (801) in a sliding mode.

4. A rear floor cross member connecting structure for improving safety according to claim 1, wherein: the positioning assembly (9) comprises a slot (903) arranged on the outer surface of the middle cross beam (3) and two clamping grooves (902) arranged inside the middle cross beam (3), a movable shaft (901) is arranged between the two clamping grooves (902), an inserting block (904) is sleeved on the outer surface of the movable shaft (901), and the bottom of the inserting block (904) is connected with the middle stiffening beam (7).

5. A rear floor cross member connecting structure for improving safety according to claim 4, wherein: the clamping groove (902) is communicated with the inserting groove (903), the movable shaft (901) is in sliding connection with the clamping groove (902), the inserting block (904) is located inside the inserting groove (903), and the inserting block (904) is matched with the inserting groove (903).