CN218400718U

CN218400718U - Multi-level collision energy-absorbing steel front auxiliary frame structure

Info

Publication number: CN218400718U
Application number: CN202222216271.3U
Authority: CN
Inventors: 罗世兵
Original assignee: Guangdong Zesheng Automobile Technology Co ltd
Current assignee: Guangdong Zesheng Automobile Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-31
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a frame construction technical field especially relates to a sub vehicle frame structure before multilevel collision energy-absorbing steel. The technical scheme comprises the following steps: first connecting plate, frame body, second connecting plate, preceding frame and back frame, the welding of the one end of frame body has the second casing, and the welding of the one end that the frame body deviates from the second casing has first casing, the second guide way has all been seted up to the preceding terminal surface and the rear end face of second casing, and the preceding terminal surface and the rear end face of first casing have all seted up first guide way, the side end face welding of preceding frame has the second mount, second mount sliding sleeve connects in the second casing, the welding of the inner wall of second connecting plate has the second buffer board, the side end face welding of back frame has first mount, the welding of the inner wall of first connecting plate has first buffer board. The utility model discloses satisfy the workshop buffering and use, conveniently carry out the energy-absorbing, rigid contact causes the damage when preventing the later stage from taking place the collision accident.

Description

Multi-level collision energy-absorbing steel front auxiliary frame structure

Technical Field

The utility model relates to a frame construction technical field specifically is a sub vehicle frame structure before multilevel collision energy-absorbing steel.

Background

The frame is a frame structure bridged on the front axle and the rear axle of the automobile, is commonly called a crossbeam and is a base body of the automobile. Generally, the suspension device is composed of two longitudinal beams and a plurality of cross beams, and is supported on wheels through a suspension device, a front axle and a rear axle.

Through retrieval, patent publication No. CN114506392A discloses an auxiliary frame structure and a vehicle, wherein the auxiliary frame structure comprises a frame body, a front side and a rear side are arranged in the length direction of the vehicle, and the frame body is provided with a rear mounting point connected with a vehicle body; the bottom plate is arranged on one side, facing the ground, of the frame body, one end of the bottom plate is connected to the frame body, and the other end of the bottom plate extends in the direction far away from the front side and is connected with the vehicle body; be provided with induced deformation portion on the bottom plate, induced deformation portion extends along the width direction of vehicle, and the vehicle is when taking place frontal collision, the bottom plate is in induced deformation portion takes place deformation, makes the frame body has towards being close to the trend of the rear side direction motion of frame body, so that the back mounting point shear failure of frame body realizes the frame body is followed the automobile body drops. The invention provides an auxiliary frame structure and a vehicle, and solves the technical problem that the safety of drivers and passengers is easily threatened when the vehicle is collided in the conventional auxiliary frame.

However, CN114506392A in the prior art cannot buffer quickly when in use, is easy to hurt people due to direct hard contact in the event of a collision accident, cannot buffer and absorb energy quickly, and cannot be used and operated in a hard later period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sub vehicle frame structure before multi-level collision energy-absorbing steel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sub vehicle frame structure before multistage collision energy-absorbing steel, includes first connecting plate, frame body, second connecting plate, preceding frame and back frame, the one end welding of frame body has the second casing, and the frame body deviates from the one end welding of second casing and has first casing, the second guide way has all been seted up to the preceding terminal surface and the rear end face of second casing, and the preceding terminal surface and the rear end face of first casing have all been seted up first guide way, the side end face welding of preceding frame has the second mount, the inner wall welding of second connecting plate has the second buffer board, the side end face welding of back frame has first mount, the inner wall welding of first connecting plate has first buffer board.

Preferably, the second fixing frame is sleeved in the second shell in a sliding mode, and a second partition plate is welded at one end, away from the front frame, of the second fixing frame. The welding of the one end that deviates from preceding frame through the second mount has the second baffle, makes preceding frame move contact second fixed plate when colliding with second mount and second baffle.

Preferably, the inner wall of the second shell is welded with a first limiting frame through a second connecting block, and a second fixing plate is welded on the side end face of the first limiting frame. When moving through the second baffle and contacting the second fixed plate, the second fixed plate is stressed to extrude the first limiting frame, the first limiting frame is stressed to deform to absorb energy during collision, and the pressure caused by later collision is reduced.

Preferably, the second buffer plate is slidably sleeved in the second guide groove, and the second buffer plate is slidably sleeved in the second fixing frame. The second buffer plate is sleeved in the second guide groove in a sliding mode and then is inserted into the second fixing frame in a sleeved mode, the second fixing frame is limited, the second fixing frame moves under the pressure caused by collision of the front frame, the second buffer plate which is inserted into the second guide groove in the moving mode is impacted, the second buffer plate is broken or deformed in a buffering mode, and the pressure caused by collision is buffered and energy absorption is carried out.

Preferably, the first fixing frame is sleeved in the first shell in a sliding mode, and a first partition plate is welded at one end, away from the rear frame, of the first fixing frame. The welding of the one end that deviates from the back frame through first mount has first baffle, makes the back frame receive the collision and drives first mount and remove, and the linkage drives first baffle contact first fixed plate when first mount removes.

Preferably, the inner wall of the first shell is welded with a second limiting frame through a first connecting block, and a first fixing plate is welded on the side end face of the second limiting frame. When the first fixing frame moves, the first partition plate is driven to contact with the first fixing plate in a linkage mode to move, the first fixing plate is moved by pressure caused by collision and is extruded onto the second limiting frame, the second limiting frame is deformed in a stress mode to absorb energy, and pressure caused by later collision is reduced.

Preferably, the first buffer plate is slidably sleeved in the first guide groove, and the first buffer plate is slidably sleeved in the first fixing frame. The first buffer plate is sleeved in the first guide groove in a sliding mode and then is inserted into the first fixing frame, the first fixing frame is driven to move when the rear frame is collided, the first buffer plate is impacted when the first fixing frame moves, the first buffer plate is broken or deformed in a buffering mode, and pressure caused by collision is buffered and energy is absorbed.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the second casing, personnel are when buffering and energy-absorbing the pressure that the frame collision brought in the front, when moving contact second fixed plate through the second baffle, the first spacing of second fixed plate atress extrusion, first spacing atress warp carries out the energy-absorbing to the collision, reduce the pressure that the later stage collision brought, and cup joint through the second buffer board slip in the second guide way back peg graft in the second mount, carry on spacingly to the second mount, and the second mount moves at the pressure that brings through the frame collision in the front, strike the second buffer board of pegging graft during the removal, and break or cushion the deformation to the second buffer board, cushion and carry out the energy-absorbing to the pressure that the collision brought, make the practicality higher, but fast buffering and energy-absorbing.

2. The utility model discloses a set up first casing, personnel when buffering and the energy-absorbing the pressure that the frame collision brought after, when removing through first mount linkage drive first baffle contact first fixed plate, first fixed plate receives the pressure that the collision brought and removes and extrudees on the spacing frame of second, the spacing frame atress of second warp and can carry out the energy-absorbing, reduce the pressure that the later stage collision brought, and peg graft in first mount after cup jointing in first guide way through first buffer board slip, it removes to drive first mount when making the frame receive the collision after, first buffer board to peg graft when first mount removes strikes, and break or cushion deformation to first buffer board, cushion the pressure that brings the collision and carry out the energy-absorbing, make things convenient for the later stage to use and the energy-absorbing, reduce the pressure of direct collision, and can protect the use to personnel.

Drawings

Fig. 1 is a schematic view of the top view of the internal structure of the present invention;

fig. 2 is a schematic view of the top view of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

In the figure: 1. a first connecting plate; 2. a first buffer plate; 3. a first connection block; 4. a frame body; 5. a second connecting block; 6. a second connecting plate; 7. a second buffer plate; 8. a second fixing frame; 9. a front frame; 10. a second housing; 11. a second separator; 12. a second fixing plate; 13. a first limit bracket; 14. a second limiting frame; 15. a first fixing plate; 16. a first separator; 17. a first housing; 18. a rear frame; 19. a first fixing frame; 20. a first guide groove; 21. a second guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-3, the utility model provides a sub vehicle frame structure before multilevel collision energy-absorbing steel, including first connecting plate 1, frame body 4, second connecting plate 6, preceding frame 9 and back frame 18, the one end welding of frame body 4 has second casing 10, and the one end welding that frame body 4 deviates from second casing 10 has first casing 17, second guide way 21 has all been seted up to the preceding terminal surface and the rear end face of second casing 10, and first guide way 20 has all been seted up to the preceding terminal surface and the rear end face of first casing 17, the side end face welding of preceding frame 9 has second mount 8.

The second fixing frame 8 is sleeved in the second shell 10 in a sliding mode, a second partition plate 11 is welded at one end, deviating from the front frame 9, of the second fixing frame 8, and a second partition plate 11 is welded at one end, deviating from the front frame 9, of the second fixing frame 8, so that the front frame 9 is in linkage with the second fixing frame 8 and the second partition plate 11 to move and contact with a second fixing plate 12 when collision occurs.

The inner wall of the second shell 10 is welded with a first limiting frame 13 through the second connecting block 5, a second fixing plate 12 is welded on the side end face of the first limiting frame 13, when the second fixing plate 12 is moved to contact with the second separating plate 11, the first limiting frame 13 is extruded by the second fixing plate 12 in a stressed mode, the first limiting frame 13 is deformed in a stressed mode to absorb energy during collision, and pressure caused by later collision is reduced.

Second buffer board 7 slides and cup joints in second guide way 21, and second buffer board 7 slides and cup joints in second mount 8, peg graft in second mount 8 after cup jointing in second guide way 21 through second buffer board 7 slides, it is spacing to carry out second mount 8, and second mount 8 removes through the pressure that preceding frame 9 collision brought, strike the second buffer board 7 of pegging graft during the removal, and break or cushion deformation to second buffer board 7, cushion and carry out the energy-absorbing to the pressure that the collision brought.

The inner wall of the second connecting plate 6 is welded with a second buffer plate 7, the side end face of the rear frame 18 is welded with a first fixing frame 19, and the inner wall of the first connecting plate 1 is welded with a first buffer plate 2.

Based on the description in example 1: personnel are when buffering and the energy-absorbing to the pressure that the collision of preceding frame 9 brought, when moving contact second fixed plate 12 through second baffle 11, first spacing 13 of second fixed plate 12 atress extrusion, first spacing 13 atress warp carries out the energy-absorbing to the collision, reduce the pressure that the later stage collision brought, and peg graft in second mount 8 after cup jointing in second guide way 21 through second buffer board 7 slip, carry on spacingly to second mount 8, and second mount 8 moves through the pressure that the collision of preceding frame 9 brought, strike the second buffer board 7 of pegging graft during the removal, and break or cushion deformation to second buffer board 7, cushion and carry out the buffering and carry out the energy-absorbing pressure that brings.

Example two

As shown in fig. 1-3, the utility model provides a sub vehicle frame structure before multi-level collision energy-absorbing steel compares in embodiment one, and this embodiment still includes: first connecting plate 1, frame body 4, second connecting plate 6, preceding frame 9 and back frame 18, the one end welding of frame body 4 has second casing 10, and the one end welding that frame body 4 deviates from second casing 10 has first casing 17, second guide way 21 has all been seted up to preceding terminal surface and the rear end face of second casing 10, and first guide way 20 has all been seted up to preceding terminal surface and the rear end face of first casing 17, the side end welding of preceding frame 9 has second mount 8, the inner wall welding of second connecting plate 6 has second buffer board 7.

First mount 19 slides and cup joints in first casing 17, and the welding of the one end that first mount 19 deviates from back frame 18 has first baffle 16, and the welding of the one end that deviates from back frame 18 through first mount 19 has first baffle 16, makes back frame 18 receive the collision and drives first mount 19 and remove, and first mount 19 linkage drives first baffle 16 contact first fixed plate 15 when removing.

The inner wall of the first shell 17 is welded with a second limit frame 14 through the first connecting block 3, a first fixing plate 15 is welded on the side end face of the second limit frame 14, when the first fixing frame 19 moves, the first partition plate 16 is driven to contact with the first fixing plate 15 in a linkage mode to move, the first fixing plate 15 is moved by pressure caused by collision and extrudes the second limit frame 14, the second limit frame 14 deforms under stress to absorb energy, and pressure caused by later collision is reduced.

First buffer board 2 slides and cup joints in first guide way 20, and first buffer board 2 slides and cup joints in first mount 19, cup joint in first guide way 20 back grafting through first buffer board 2 slides in first mount 19, drive first mount 19 when making back frame 18 receive the collision and remove, first mount 19 strikes the first buffer board 2 of grafting when removing, and break or cushion deformation to first buffer board 2, cushion the pressure that brings and carry out the energy-absorbing.

The side end face of the rear frame 18 is welded with a first fixing frame 19, and the inner wall of the first connecting plate 1 is welded with a first buffer plate 2.

Based on the description in example 2: personnel are when buffering and the energy-absorbing to the pressure that the rear frame 18 collided and brought, when the linkage drives first baffle 16 contact first fixed plate 15 and removes through first mount 19 when removing, first fixed plate 15 receives the pressure that the collision brought to remove and extrude on second spacing 14, second spacing 14 atress warp and can carry out the energy-absorbing, reduce the pressure that the later stage collision brought, and peg graft in first mount 19 behind first baffle 2 slip cup joint in first guide way 20, make rear frame 18 receive and drive first mount 19 when colliding and remove, first mount 19 strikes the first baffle 2 of pegging graft when removing, and break or cushion deformation to first baffle 2, cushion the pressure that the collision brought and carry out the energy-absorbing, make things convenient for the later stage to use and the energy-absorbing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sub vehicle frame structure before multi-level collision energy-absorbing steel, includes first connecting plate (1), frame body (4), second connecting plate (6), preceding frame (9) and back frame (18), its characterized in that: the welding of the one end of frame body (4) has second casing (10), and the welding of the one end that frame body (4) deviates from second casing (10) has first casing (17), second guide way (21) have all been seted up to the preceding terminal surface and the rear end face of second casing (10), and first guide way (20) have all been seted up to the preceding terminal surface and the rear end face of first casing (17), the side end face welding of preceding frame (9) has second mount (8), the inner wall welding of second connecting plate (6) has second buffer board (7), the side end face welding of back frame (18) has first mount (19), the inner wall welding of first connecting plate (1) has first buffer board (2).

2. The steel front subframe structure with multi-level collision energy absorption according to claim 1, wherein: the second fixing frame (8) is sleeved in the second shell (10) in a sliding mode, and a second partition plate (11) is welded at one end, deviating from the front frame (9), of the second fixing frame (8).

3. The steel front subframe structure with multi-level collision energy absorption according to claim 1, wherein: the inner wall of the second shell (10) is welded with a first limiting frame (13) through a second connecting block (5), and a second fixing plate (12) is welded on the side end face of the first limiting frame (13).

4. The steel front subframe structure with multi-level collision energy absorption according to claim 1, wherein: the second buffer plate (7) is sleeved in the second guide groove (21) in a sliding mode, and the second buffer plate (7) is sleeved in the second fixing frame (8) in a sliding mode.

5. The multi-stage collision energy absorption steel front subframe structure according to claim 1, wherein: the first fixing frame (19) is sleeved in the first shell (17) in a sliding mode, and a first partition plate (16) is welded at one end, deviating from the rear frame (18), of the first fixing frame (19).

6. The multi-stage collision energy absorption steel front subframe structure according to claim 1, wherein: the inner wall of the first shell (17) is welded with a second limiting frame (14) through the first connecting block (3), and a first fixing plate (15) is welded on the side end face of the second limiting frame (14).

7. The steel front subframe structure with multi-level collision energy absorption according to claim 1, wherein: the first buffer plate (2) is sleeved in the first guide groove (20) in a sliding mode, and the first buffer plate (2) is sleeved in the first fixing frame (19) in a sliding mode.