CN217575351U

CN217575351U - Rear auxiliary frame with front reinforcing rod

Info

Publication number: CN217575351U
Application number: CN202220822262.6U
Authority: CN
Inventors: 余建平; 李旭松
Original assignee: Ninghai Kefa Aluminum Co ltd
Current assignee: Ninghai Kefa Aluminum Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-10-14
Anticipated expiration: 2032-04-11

Abstract

The utility model relates to a back sub vehicle frame with preceding stiffener, including back auxiliary vehicle body, back auxiliary vehicle body includes front beam and rear frame member, the welding has two dead levers between front beam and the rear frame member, and when the rear frame member received the power of moment of flexure, at rear beam, fixed sleeve, stiffener, second piston, cushion sleeve, sealed post motion, under the cooperation of sealed post, spring, second cavity and first cavity, pressure in the first cavity increases, through the buffer capacity of hydraulic form increase stiffener, has strengthened the support to the rear frame member simultaneously. The utility model relates to a technical field of automobile manufacturing. The utility model discloses the effect of the ability of increase back auxiliary car body bending moment resistance and its rigidity has been reached.

Description

Rear auxiliary frame with front reinforcing rod

Technical Field

The utility model belongs to the technical field of the technique of automobile manufacturing and specifically relates to a back sub vehicle frame with preceding stiffener is related to.

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 then connected to the "main frame", conventionally referred to as the "subframe".

The existing rear auxiliary frame with the front reinforcing rod mainly bears bending and torsion loads in the using process, the auxiliary frame can be damaged locally when the rigidity of the auxiliary frame is insufficient under the action of large bending moment or torque, and the stability of a vehicle can be influenced when the auxiliary frame is damaged.

SUMMERY OF THE UTILITY MODEL

According to the deficiencies in the prior art, the utility model aims at providing a back sub vehicle frame with preceding stiffener has reached the effect that increases the ability of back auxiliary car body bending moment and its rigidity.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a back sub vehicle frame with preceding stiffener, includes back auxiliary car body, back auxiliary car body includes front beam and rear beam, the welding has two dead levers between front beam and the rear beam, all be provided with coupling assembling, two on the circumference lateral wall of front beam and rear beam be provided with four stiffeners, four between the coupling assembling be provided with the buffering subassembly between two liang of correspondences of stiffener.

Through adopting above-mentioned technical scheme, under the cooperation of front beam, rear frame member, buffering subassembly and stiffener, the ability of the antitorque square of back auxiliary car body has been strengthened.

The present invention may be further configured in a preferred embodiment as: coupling assembling includes fixed mounting fixed sleeve on front beam and rear frame circumference lateral wall, two equal fixed mounting has two retainer panel, two on retainer panel has seted up a plurality of connecting hole, a plurality of on the retainer panel connecting hole female connection has the screw thread post, two the stiffener and two retainer panel passes through screw thread post threaded connection.

Through adopting above-mentioned technical scheme, under the cooperation of fixed sleeve, fixed panel, screw thread post, connecting hole and stiffener, can conveniently tear open the stiffener and trade, also can adjust the angle between the stiffener according to the position of connecting hole simultaneously.

The present invention may be further configured in a preferred embodiment as: the buffer assembly comprises buffer sleeves arranged on two reinforcing rods, the reinforcing rods are arranged on the buffer sleeves in a sliding mode, a first piston and a second piston are arranged in the buffer sleeves in a contact mode, the first piston and the second piston are respectively fixedly connected with the reinforcing rods, partition plates are fixedly arranged in the buffer sleeves, the buffer sleeves are separated into a first cavity and a second cavity through the partition plates, two air outlet holes are formed in the partition plates, sealing assemblies are arranged in the air outlet holes, and the two sealing assemblies are opposite in direction.

Through adopting above-mentioned technical scheme, under buffering sleeve, first piston, second piston, first cavity, second cavity, venthole and seal assembly's cooperation, can carry out certain buffering to the stiffener.

The present invention may be further configured in a preferred embodiment as: the sealing assembly comprises two supporting panels fixedly mounted on the inner side wall of the air outlet hole, the lower ends of the supporting panels are fixedly connected with two springs respectively, and the lower ends of the two springs are connected with sealing columns jointly.

Through adopting above-mentioned technical scheme, under the cooperation of venthole, support panel, spring and sealed post, can let gaseous one-way removal.

The present invention may be further configured in a preferred embodiment as: a triangular area is defined by the front cross beam, the fixed rod, the two reinforcing rods, the rear cross beam and the buffer assembly.

Through adopting above-mentioned technical scheme, under the cooperation of front beam, dead lever, two stiffeners, rear beam and buffering subassembly, can improve the twisting resistance of back auxiliary automobile body, also improved the rigidity of auxiliary automobile body simultaneously.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the rear cross beam is subjected to the force of bending moment, the rear cross beam, the fixing sleeve, the reinforcing rod, the second piston, the buffering sleeve and the sealing column move, under the cooperation of the sealing column, the spring, the second cavity and the first cavity, the pressure in the first cavity is increased, the buffering capacity of the reinforcing rod is increased in a hydraulic mode, meanwhile, the support for the rear cross beam is enhanced, and the effect of increasing the bending moment resistance of the rear auxiliary vehicle body and the rigidity of the rear auxiliary vehicle body is achieved.

2. When current crossbeam receives power, it can extrude fixed sleeve on the surface, and fixed sleeve drives two stiffeners and stimulates first piston, and through the motion of piston, the pressure in the first chamber reduces this moment, and hydraulic oil in the second chamber can enter into the first chamber, and through the resistance of the first piston activity of inside pressure and hydraulic oil increase this moment, can accomplish the buffering of two stiffeners, increases the holistic rigidity of front beam.

3. When current crossbeam and back crossbeam receive power simultaneously, first piston and second piston carry out the motion dorsad in the buffering sleeve simultaneously, and first piston and second piston increase its speed of removing through the change of pressure, the change of hydraulic pressure oil mass respectively this moment to this buffering that increases a plurality of stiffeners has increased the holistic rigidity of back auxiliary car body simultaneously, prevents to take place to damage at the in-process that uses.

4. Under the cooperation of the front cross beam, the fixed rod, the two reinforcing rods, the rear cross beam and the buffer assembly, the torsion resistance of the rear auxiliary vehicle body can be improved, and meanwhile, the rigidity of the rear auxiliary vehicle body is also improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the connecting assembly of the present embodiment;

FIG. 3 is a partial cross-sectional structural schematic view of a cushion assembly according to the present embodiment;

fig. 4 is a partial sectional structural schematic view of the joint of the partition plate and the sealing assembly in the embodiment.

In the figure, 1, a rear auxiliary vehicle body; 11. a front cross member; 12. a rear cross member; 13. a connecting assembly; 131. fixing the sleeve; 132. fixing the panel; 133. a threaded post; 134. connecting holes; 14. a buffer assembly; 141. a buffer sleeve; 142. a first piston; 143. a partition plate; 144. a first chamber; 145. a second chamber; 146. a second piston; 147. an air outlet; 148. a seal assembly; 1481. a support panel; 1482. a spring; 1483. Sealing the column; 15. fixing the rod; 16. a reinforcing rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-4, the utility model discloses a back sub vehicle frame with preceding stiffener, including back auxiliary vehicle body 1, back auxiliary vehicle body 1 includes front beam 11 and rear beam 12, and the welding has two dead levers 15 between front beam 11 and the rear beam 12, all is provided with coupling assembling 13 on the circumference lateral wall of front beam 11 and rear beam 12, is provided with four stiffeners 16 between two coupling assembling 13, is provided with buffering subassembly 14 between four stiffeners 16 two double-phase correspondences. The torque resistance of the rear sub-vehicle body 1 is enhanced by the cooperation of the front cross member 11, the rear cross member 12, the cushion assembly 14, and the reinforcement bar 16.

Coupling assembling 13 includes fixed sleeve 131 of fixed mounting on preceding crossbeam 11 and rear beam 12 circumference lateral wall, and equal fixed mounting has two fixed panels 132 on two fixed sleeve 131's the lateral wall, has seted up a plurality of connecting hole 134 on two fixed panels 132, and a plurality of connecting hole 134 female connection has screw post 133, and two stiffeners 16 pass through screw post 133 threaded connection with two fixed panels 132. Under the cooperation of the fixing sleeve 131, the fixing panel 132, the threaded post 133, the connecting hole 134 and the reinforcing rods 16, the reinforcing rods 16 can be conveniently disassembled and replaced, and the angle between the reinforcing rods 16 can be adjusted according to the positions of the connecting holes 134.

The buffer assembly 14 comprises buffer sleeves 141 arranged on the two reinforcing rods 16, the two reinforcing rods 16 are arranged on the buffer sleeves 141 in a sliding mode, a first piston 142 and a second piston 146 are arranged in the buffer sleeves 141 in a contact mode, the first piston 142 and the second piston 146 are respectively fixedly connected with the reinforcing rods 16, partition plates 143 are fixedly arranged in the buffer sleeves 141, the buffer sleeves 141 are divided into first cavities 144 and second cavities 145 by the partition plates 143, hydraulic oil is filled in the second cavities 145, the first cavities 144 are in a sealed state and are filled with gas, the partition plates 143 are provided with two gas outlet holes 147, sealing assemblies 148 are arranged in the two gas outlet holes 147, and the arrangement directions of the two sealing assemblies 148 are opposite. The reinforcement bar 16 is somewhat cushioned by the cooperation of the cushion sleeve 141, the first piston 142, the second piston 146, the first chamber 144, the second chamber 145, the vent 147, and the seal assembly 148.

The sealing assembly 148 comprises two supporting panels 1481 fixedly mounted on the inner side wall of the air outlet 147, the lower ends of the two supporting panels 1481 are fixedly connected with two springs 1482 respectively, and the lower ends of the two springs 1482 are connected with a sealing column 1483 together. The gas can move in one direction under the cooperation of the gas outlet holes 147, the support panel 1481, the springs 1482 and the sealing columns 1483.

A triangular area is enclosed among the front cross beam 11, the fixing rod 15, the two reinforcing rods 16, the rear cross beam 12 and the buffer assembly 14. Under the cooperation of the front cross beam 11, the fixing rod 15, the two reinforcing rods 16, the rear cross beam 12 and the buffer assembly 14, the torsion resistance of the rear auxiliary vehicle body 1 can be improved, and meanwhile, the rigidity of the rear auxiliary vehicle body 1 is also improved.

The implementation principle of the above embodiment is as follows: firstly, when the rear cross beam 12 is subjected to a bending moment, the rear cross beam 12 extrudes the fixing sleeve 131 thereon, the fixing sleeve 131 extrudes the two reinforcing rods 16, the reinforcing rods 16 drive the second piston 146 to slide in the buffer sleeve 141, the second piston 146 extrudes hydraulic oil to move, the hydraulic oil can push the sealing post 1483 to move, the sealing post 1483 stretches the spring 1482 in the moving process, the hydraulic oil enters the first chamber 144 from the second chamber 145 at the moment, the pressure in the first chamber 144 is increased, the buffering capacity of the reinforcing rods 16 is increased in a hydraulic manner, the support on the rear cross beam 12 is enhanced, and the effect of increasing the bending moment resistance capacity of the rear auxiliary body 1 and the rigidity of the rear auxiliary body is achieved.

When current crossbeam 11 receives the power, it can extrude surperficial fixed sleeve 131, and fixed sleeve 131 drives two stiffener 16 and pulls first piston 142, through the motion of piston, and the pressure in the first chamber 144 reduces this moment, and hydraulic oil in the second chamber 145 can enter into first chamber 144, and the resistance through the activity of first piston 142 of internal pressure and hydraulic oil increase this moment can accomplish the buffering of two stiffener 16, increases the holistic rigidity of front beam 11.

When the front cross beam 11 and the rear cross beam 12 are simultaneously stressed, the first piston 142 and the second piston 146 simultaneously move back to back in the buffer sleeve 141, and at the moment, the first piston 142 and the second piston 146 respectively increase the moving speed of the first piston and the second piston through pressure change and hydraulic oil quantity change, so that the buffer of the reinforcing rods 16 is increased, meanwhile, the integral rigidity of the rear auxiliary vehicle body 1 is increased, and damage in the using process is prevented.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a back sub vehicle frame with preceding stiffener, includes back auxiliary car body (1), its characterized in that: back auxiliary car body (1) includes front beam (11) and rear beam (12), the welding has two dead levers (15) between front beam (11) and rear beam (12), all be provided with coupling assembling (13), two on the circumference lateral wall of front beam (11) and rear beam (12) be provided with four stiffener (16) between coupling assembling (13), four be provided with between the two liang of correspondences of stiffener (16) buffering subassembly (14).

2. The rear subframe with front reinforcement of claim 1 wherein: coupling assembling (13) are including fixed mounting fixed sleeve (131) on front beam (11) and rear beam (12) circumference lateral wall, two equal fixed mounting has two fixed surface boards (132), two on the lateral wall of fixed sleeve (131) a plurality of connecting hole (134), a plurality of have been seted up on fixed surface board (132) connecting hole (134) female connection has screw thread post (133), two stiffener (16) and two fixed surface board (132) are through screw thread post (133) threaded connection.

3. The rear subframe with front reinforcement of claim 2 wherein: the buffer assembly (14) comprises buffer sleeves (141) arranged on two reinforcing rods (16), the two reinforcing rods (16) are arranged on the buffer sleeves (141) in a sliding mode, a first piston (142) and a second piston (146) are arranged in the buffer sleeves (141) in a contact mode, the first piston (142) and the second piston (146) are respectively fixedly connected with the reinforcing rods (16), partition plates (143) are fixedly arranged in the buffer sleeves (141), the buffer sleeves (141) are divided into a first cavity (144) and a second cavity (145) by the partition plates (143), two air outlet holes (147) are formed in the partition plates (143), sealing assemblies (148) are arranged in the two air outlet holes (147), and the setting directions of the two sealing assemblies (148) are opposite.

4. The rear subframe with front reinforcement of claim 3 wherein: sealing assembly (148) is including two supporting panel (1481) of fixed mounting on venthole (147) inside wall, two the lower extreme of supporting panel (1481) is two springs (1482) of fixedly connected with respectively, and the lower extreme of two springs (1482) is connected with sealing post (1483) jointly.

5. The rear subframe with the front reinforcement bar as set forth in claim 4, wherein: a triangular area is enclosed among the front cross beam (11), the fixing rod (15), the two reinforcing rods (16), the rear cross beam (12) and the buffer assembly (14).