CN216034646U

CN216034646U - Auxiliary frame of automobile chassis

Info

Publication number: CN216034646U
Application number: CN202122215544.8U
Authority: CN
Inventors: 包鑫; 江红伟
Original assignee: Zhejiang Baoshi Casting Co ltd
Current assignee: Zhejiang Baoshi Casting Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-15
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an automobile chassis auxiliary frame which comprises an auxiliary frame body, wherein the auxiliary frame body consists of a bridging plate, an upper plate and a lower plate which have the same structure; the outer walls of the four corners of the auxiliary frame body are fixedly connected with second extension plates, the inner wall of one side, opposite to the second extension plates, is provided with a moving rail, the inner wall of the moving rail is connected with a movable plate B in a sliding mode, the outer wall of one side of the movable plate B is fixedly connected with an assembling head, and the outer walls of the two sides of the second extension plates and the outer wall of one side of the movable plate B are provided with positioning holes; the inner wall of the bridging plate is connected with a first extension plate in a sliding mode, the inner wall of the first extension plate is provided with a movable plate A, the outer wall of the top of the movable plate A is provided with a sliding groove, and the inner wall of the first extension plate is connected to the inner wall of the sliding groove in a sliding mode through a sliding block; the auxiliary frame body is of a hollow structure. The utility model has simple structure, and can realize matching with different automobile chassis on the premise of ensuring the requirement of load mechanics.

Description

Auxiliary frame of automobile chassis

Technical Field

The utility model relates to the technical field of vehicle accessories, in particular to an auxiliary frame of an automobile chassis.

Background

The subframe can be regarded as a framework of the front axle and the rear axle, and is a component of the front axle and the rear axle. The subframe is not a complete frame, but merely a bracket that supports the front and rear axles and the suspension, through which the axles and suspension are again connected to the "main frame", conventionally referred to as the "subframe". The sub-frame has the functions of isolating vibration and noise and reducing direct entering of the sub-frame into a carriage, so that the sub-frame is mostly arranged on luxury cars and off-road vehicles, and the sub-frame is also arranged on an engine of some vehicles.

Through search, chinese patent application No. CN200520046142.8 discloses an automotive chassis subframe, wherein the subframe includes a tubular cross beam, and two ends of the tubular cross beam are respectively and fixedly connected to corresponding steel plate stamping supporting members. The auxiliary frame of the automobile chassis in the patent has the following defects: an automobile chassis with an auxiliary frame which can only match with frames with the same width is not suitable for other chassis with large girder width.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automobile chassis subframe.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an auxiliary frame of an automobile chassis comprises an auxiliary frame body, wherein the auxiliary frame body consists of a bridging plate, an upper plate and a lower plate which have the same structure; the four corners outer wall of sub vehicle frame body is equal fixedly connected with extension plate two, and the relative one side inner wall of extension plate two all is provided with the removal rail, and the inner wall sliding connection who removes the rail has fly leaf B, and one side outer wall fixedly connected with equipment head of fly leaf B, the both sides outer wall of extension plate two and one side outer wall of fly leaf B all are provided with the locating hole.

As a still further scheme of the utility model: the inner wall sliding connection of bridging board has extension plate one, the inner wall of extension plate one is provided with fly leaf A, and the top outer wall of fly leaf A is provided with the spout, and the inner wall of extension plate one passes through slider sliding connection in the inner wall of spout.

As a still further scheme of the utility model: the auxiliary frame body is of a hollow structure, and cavities are formed in the inner walls of the upper plate and the lower plate.

As a still further scheme of the utility model: the inner wall of removal rail all is provided with the elasticity piece, the equal fixedly connected with skid resistant course of both sides outer wall of fly leaf B.

As a still further scheme of the utility model: the top outer wall of extension plate one and the top outer wall of spout all are provided with spacing hole, and the top outer wall that extension plate one is close to one end and the top outer wall that fly leaf A is close to one end all are provided with the equipment hole.

As a still further scheme of the utility model: the reinforcing cylinder is fixedly connected to the inner wall of the bottom of the cavity on the lower plate, the reinforcing column is fixedly connected to the inner wall of the bottom of the reinforcing cylinder, a damping layer is arranged on the inner wall of the reinforcing cylinder, and a rubber pad is fixedly connected to the bottom surface and the top surface of the reinforcing cylinder.

As a still further scheme of the utility model: and the inner wall of the bottom of the cavity on the lower plate is fixedly connected with an elastic supporting strip.

As a still further scheme of the utility model: the auxiliary frame body is characterized in that connecting holes are formed in the outer wall of the top and the outer wall of the bottom of the auxiliary frame body, and a connecting angle plate is fixedly connected to the outer wall of the top of the auxiliary frame body.

Compared with the prior art, the utility model provides the auxiliary frame of the automobile chassis, which has the following beneficial effects:

1. this vehicle chassis sub vehicle frame, sub vehicle frame body are after tentatively fixed, pull out movable plate B in two from the extension plate in proper order, then utilize outside self-locking bolt etc. to insert two relative front and back locating holes in extension plate two and the movable plate B to the extension plate two and the movable plate B position of adjusting good length are injectd, utilize the equipment head to do further installation with the chassis, simple structure under the prerequisite of guaranteeing the mechanical demand of load, can realize matching different vehicle chassis.

2. According to the automobile chassis auxiliary frame, the first extension plate and the movable plate A are pulled to two sides manually respectively to enable the first extension plate to be drawn out to a required distance in the bridging plate, after the movable plate A is drawn out from the first extension plate for the same distance through the sliding chute, external self-locking bolts and the like are inserted into the upper limiting hole and the lower limiting hole which are opposite to each other in position on the first extension plate and the movable plate A, so that the positions of the first extension plate and the movable plate A with adjusted lengths are limited, finally, the assembly holes and the chassis are used for mounting, the structure is stable, and the rigidity of the auxiliary frame body is guaranteed; the contact friction surface of the second extension plate and the movable plate B can be enlarged through the elastic block and the anti-slip layer, so that the sliding phenomenon is avoided.

3. According to the auxiliary frame of the automobile chassis, the elastic supporting strips, the damping layers and the rubber pads are arranged, so that heat generated by friction between the chassis and the auxiliary frame body is reduced, vibration in the driving process is greatly reduced, and the stability is effectively improved; the reinforcing cylinder and the reinforcing column are arranged, so that the auxiliary frame body can bear larger stress, and the overall stability of the auxiliary frame body is improved.

Drawings

FIG. 1 is a schematic diagram of an overall top view structure of an automotive chassis subframe according to the present invention;

FIG. 2 is a schematic diagram of an exploded structure of an upper plate and a lower plate of an auxiliary frame of an automobile chassis according to the present invention;

FIG. 3 is a schematic structural view of an extension plate of an auxiliary frame of an automobile chassis according to the present invention;

FIG. 4 is a schematic view of a second unfolding structure of an extension plate of an auxiliary frame of an automobile chassis according to the present invention;

fig. 5 is a schematic structural view of a reinforcing cylinder of an automotive chassis subframe according to the present invention.

In the figure: 1-upper plate, 2-lower plate, 3-bridging plate, 4-connecting hole, 5-extension plate I, 6-connecting angle plate, 7-extension plate II, 8-reinforcing cylinder, 9-movable plate A, 10-elastic supporting strip, 11-limiting hole, 12-sliding groove, 13-assembling hole, 14-movable plate B, 15-assembling head, 16-anti-skidding layer, 17-positioning hole, 18-moving rail, 19-elastic block, 20-shock absorbing layer, 21-rubber pad and 22-reinforcing column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

In order to expand the application range of the auxiliary frame body, as shown in fig. 1-4, the auxiliary frame body comprises an auxiliary frame body, wherein the auxiliary frame body consists of a bridging plate 3, an upper plate 1 and a lower plate 2 which have the same structure; the inner wall of the bridging plate 3 is connected with an extension plate I5 in a sliding manner, a movable plate A9 is inserted into the inner wall of the extension plate I5, a sliding groove 12 is formed in the outer wall of the top of the movable plate A9, the inner wall of the extension plate I5 is connected to the inner wall of the sliding groove 12 in a sliding manner through a sliding block, a plurality of limiting holes 11 with the same aperture are formed in the outer wall of the top of the extension plate I5 and the outer wall of the top of the sliding groove 12, and assembling holes 13 are formed in the outer wall of the top of one end, close to one end, of the extension plate I5 and the outer wall of the top of one end, close to one end, of the movable plate A9; the outer walls of the four corners of the auxiliary frame body are all fixed with a second extension plate 7 through bolts, the inner wall of one side, opposite to the second extension plate 7, of the second extension plate is provided with a moving rail 18, the inner wall of the moving rail 18 is connected with a moving plate B14 in a sliding mode, the outer wall of one side of a moving plate B14 is fixed with an assembling head 15 through bolts, and the outer walls of the two sides of the second extension plate 7 and the outer wall of one side of the moving plate B14 are provided with a plurality of positioning holes 17 with the same aperture; a plurality of elastic blocks 19 are inserted into the inner walls of the two movable rails 18, and anti-skid layers 16 are welded on the outer walls of the two sides of the movable plate B14.

When the auxiliary frame is used, according to the length and width of a chassis, firstly, the auxiliary frame body is placed on the surface of the chassis, particularly the bridging plate 3 is adjusted to the range of the middle position of the connection part with the chassis, then the extension plate I5 and the movable plate A9 are manually pulled to two sides respectively, so that the extension plate I5 is drawn out to a required distance in the bridging plate 3, the movable plate A9 is drawn out from the extension plate I5 by the same distance through the sliding chute 12, external self-locking bolts and the like are inserted into the upper limiting hole 11 and the lower limiting hole 11 which are opposite in position on the extension plate I5 and the movable plate A9, the positions of the extension plate I5 and the movable plate A9 with adjusted lengths are limited, and finally, the assembly holes 13 are used for mounting with the chassis; after the sub vehicle frame body is preliminarily fixed, the movable plate B14 is pulled out from the second extension plate 7 in sequence, then an external self-locking bolt and the like are inserted into the front positioning hole and the rear positioning hole 17 which are opposite in position on the second extension plate 7 and the movable plate B14, the positions of the second extension plate 7 and the movable plate B14 with adjusted length are limited, the contact friction surfaces of the second extension plate 7 and the movable plate B14 can be increased through the elastic block 19 and the anti-slip layer 16, the sliding phenomenon is avoided, and finally the assembly head 15 and the chassis are utilized for further installation, the structure is simple, under the premise that the requirement of load mechanics is met, different automobile chassis matching can be realized.

In order to alleviate sub vehicle frame body dead weight, as shown in fig. 1 and fig. 2, the sub vehicle frame body is hollow structure, the cavity has all been seted up to the inner wall of upper plate 1 and hypoplastron 2, only play bridging effect through sub vehicle frame body border, the sub vehicle frame body of cavity design and inside upper plate 1 and the hypoplastron 2 for the cavity, in guaranteeing bridging itself, when rigidity etc., the dead weight of itself has alleviateed greatly, and the manufacturing cost is reduced, a plurality of connecting hole 4 has all been seted up to the top outer wall and the bottom outer wall of sub vehicle frame body, the top outer wall of sub vehicle frame body has a set of connection scute 6 through the bolt fastening, be convenient for sub vehicle frame body and the nimble assembly and disassembly of vehicle chassis through connecting scute 6 and connecting hole 4.

The working principle is as follows: during installation, according to the length and width of the chassis, firstly, the auxiliary frame body is placed on the chassis surface, particularly the bridge plate 3 is adjusted to the range of the middle position of the connection part of the auxiliary frame body and the chassis, then the extension plate I5 and the movable plate A9 are manually pulled to two sides respectively, so that the extension plate I5 is drawn out to a required distance in the bridge plate 3, the movable plate A9 is drawn out from the extension plate I5 by the same distance through the sliding chute 12, external self-locking bolts and the like are inserted into the upper limiting hole 11 and the lower limiting hole 11 which are opposite in position on the extension plate I5 and the movable plate A9, the positions of the extension plate I5 and the movable plate A9 with adjusted lengths are limited, and finally, the assembly holes 13 are used for installation with the chassis; after the auxiliary frame body is preliminarily fixed, the movable plate B14 is pulled out from the second extension plate 7 in sequence, then external self-locking bolts and the like are inserted into the front positioning hole and the rear positioning hole 17 which are opposite to each other in position on the second extension plate 7 and the movable plate B14, so that the positions of the second extension plate 7 and the movable plate B14 with adjusted lengths are limited, the assembly head 15 and the chassis are further installed, and finally the auxiliary frame body is assembled with the automobile chassis through the connecting angle plate 6 and the connecting hole 4.

Example 2

An automobile chassis subframe, as shown in fig. 2 and 5, for improving the stability of the subframe body; the present embodiment is modified from embodiment 1 as follows: a plurality of reinforcing cylinders 8 are welded on the inner wall of the bottom of the cavity on the lower plate 2, reinforcing columns 22 are welded on the inner wall of the bottom of each reinforcing cylinder 8, shock-absorbing layers 20 are filled on the inner walls of the reinforcing cylinders 8 wrapping the reinforcing columns 22, and rubber pads 21 are welded on the bottom surfaces and the top surfaces of the reinforcing cylinders 8; the inner wall of the bottom of the cavity on the lower plate 2 is welded with a plurality of elastic supporting strips 10, and the elastic supporting strips 10 can be in a cylindrical, M-shaped or arc-shaped structure and the like. By arranging the elastic supporting strips 10, the damping layer 20 and the rubber pads 21, heat generated by friction between the chassis and the auxiliary frame body is reduced, vibration in the driving process is greatly reduced, and stability is effectively improved; the reinforcing cylinder 8 and the reinforcing column 22 are arranged, so that the auxiliary frame body can bear larger stress, and the overall stability of the auxiliary frame body is improved.

The working principle is as follows: by arranging the elastic supporting strips 10, the damping layer 20 and the rubber pads 21, heat generated by friction between the chassis and the auxiliary frame body is reduced, vibration in the driving process is greatly reduced, and stability is effectively improved; the reinforcing cylinder 8 and the reinforcing column 22 are arranged, so that the auxiliary frame body can bear larger stress, and the overall stability of the auxiliary frame body is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The auxiliary frame of the automobile chassis comprises an auxiliary frame body and is characterized in that the auxiliary frame body consists of a bridging plate (3), an upper plate (1) and a lower plate (2) which have the same structure; the auxiliary frame is characterized in that the outer walls of the four corners of the auxiliary frame body are fixedly connected with two extension plates (7), the inner wall of one opposite side of each extension plate (7) is provided with a moving rail (18), the inner wall of each moving rail (18) is connected with a movable plate B (14) in a sliding mode, the outer wall of one side of each movable plate B (14) is fixedly connected with an assembling head (15), and the outer walls of the two sides of each extension plate (7) and the outer wall of one side of each movable plate B (14) are provided with positioning holes (17).

2. The auxiliary frame for the chassis of the automobile as claimed in claim 1, wherein the inner wall of the bridging plate (3) is slidably connected with a first extension plate (5), the inner wall of the first extension plate (5) is provided with a movable plate A (9), the outer wall of the top of the movable plate A (9) is provided with a sliding groove (12), and the inner wall of the first extension plate (5) is slidably connected with the inner wall of the sliding groove (12) through a sliding block.

3. The vehicle chassis subframe according to claim 1 wherein the subframe body is hollow, and the inner walls of the upper plate (1) and the lower plate (2) are provided with cavities.

4. The auxiliary frame for the chassis of the automobile as claimed in claim 2, wherein the inner walls of the movable rails (18) are provided with elastic blocks (19), and the outer walls of the movable plate B (14) at both sides are fixedly connected with anti-slip layers (16).

5. The auxiliary frame for the automobile chassis is characterized in that the top outer wall of the first extension plate (5) and the top outer wall of the sliding groove (12) are provided with limiting holes (11), and the top outer wall of the first extension plate (5) close to one end and the top outer wall of the movable plate A (9) close to one end are provided with assembling holes (13).

6. The auxiliary frame for the automobile chassis is characterized in that a reinforcing cylinder (8) is fixedly connected to the inner wall of the bottom of the cavity on the lower plate (2), a reinforcing column (22) is fixedly connected to the inner wall of the bottom of the reinforcing cylinder (8), a shock absorption layer (20) is arranged on the inner wall of the reinforcing cylinder (8), and rubber pads (21) are fixedly connected to the bottom surface and the top surface of the reinforcing cylinder (8).

7. The vehicle chassis subframe according to claim 6 wherein said cavity bottom wall on the lower plate (2) has a resilient brace (10) fixedly attached thereto.

8. The vehicle chassis subframe according to claim 7, wherein the subframe body is provided with connecting holes (4) at the top outer wall and the bottom outer wall, and the connecting angle plate (6) is fixedly connected to the top outer wall of the subframe body.