CN211592702U

CN211592702U - Assembled hollow low-pressure cast aluminum alloy rear auxiliary frame

Info

Publication number: CN211592702U
Application number: CN201921775637.2U
Authority: CN
Inventors: 张建; 朱伟
Original assignee: Anhui Vie Automobile Parts Co ltd
Current assignee: Anhui Vie Automobile Parts Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-09-29
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a belong to vehicle accessory technical field, specifically be an assembled hollow low pressure casting aluminum alloy back sub vehicle frame, including left key, main section bar, right key and vice section bar, the right side wall welding of left key the main section bar with vice section bar, the right side wall welding of main section bar with vice section bar the right key, this kind of assembled hollow low pressure casting aluminum alloy back sub vehicle frame, through the combination application of accessory, left key and right key are hollow casting, can bring fine suspension connection rigidity; the road vibration isolation device can isolate road vibration to bring good comfort; compared with the traditional steel auxiliary frame, the aluminum alloy auxiliary frame has light weight and good flexibility; the method has extremely high active safety and dynamic operability; meanwhile, the novel steel plate die also has the advantages of economic fuel consumption, difficult rusting, reasonable structure, uniform plate thickness distribution, simple die design, few parts, few casting and welding procedures, difficult deformation, simple clamp design and small machining difficulty, and improves the machining efficiency and the using effect.

Description

Assembled hollow low-pressure cast aluminum alloy rear auxiliary frame

Technical Field

The utility model relates to a vehicle accessories technical field specifically is a sub vehicle frame behind hollow low pressure casting aluminum alloy of assembled.

Background

The automobile is driven by power, and the non-rail-borne vehicle with 4 wheels or more than 4 wheels is mainly used for: carrying personnel and cargo; a vehicle for towing carrying personnel and cargo; the application is special.

The automobile parts are a part in automobile assembly, wherein a rear auxiliary frame is a framework of a front axle and a rear axle and is a component of the front axle and the rear axle, the auxiliary frame is not a complete frame and is a bracket for supporting the front axle and the rear axle and a suspension, so that the axle and the suspension are connected with a 'front frame' through the bracket, and the auxiliary frame is conventionally called as a 'auxiliary frame'.

But the weight of current back sub vehicle frame is heavier, and integrated into one piece is difficult, and die design and finished product structure are all more complicated, and the casting degree of difficulty is big, has influenced the efficiency of processing, is not convenient for improve production speed, and finished product rigidity is lower, can't satisfy actual demand, and use experience is felt not high, influences life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow low pressure casting aluminum alloy back sub vehicle frame of assembled to the weight of the current back sub vehicle frame of proposing in solving above-mentioned background art is heavier, and integrated into one piece difficulty, die design and finished product structure are all more complicated, and the casting degree of difficulty is big, has influenced the efficiency of processing, is not convenient for improve production speed, and finished product rigidity is lower, can't satisfy the actual demand, and use experience is felt not high, influences life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an assembled hollow low-pressure cast aluminum alloy rear auxiliary frame comprises a left key, a main section bar, a right key and an auxiliary section bar, wherein the right side wall of the left key is welded with the main section bar and the auxiliary section bar, the right side wall of the main section bar and the auxiliary section bar is welded with the right key, the top of the left key is integrally connected with a left key bridge, the left side wall of the left key is provided with a left key assembling hole, the top of the left key is fixedly connected with a left key assembling support through a screw, the rear side wall of the main section bar is buckled with a section bar frame, the front side wall of the section bar frame is integrally connected with a top buckle, a bottom buckle and a groove, the rear side wall of the section bar frame is welded with a back plate, the right side wall of the back plate is provided with a back plate hole, the top of the right key is integrally connected with a right key bridge, the right side wall of the right key bridge is provided with a right key assembling hole, and the top, the left key bridge and the front side wall of the right key bridge are fixedly connected with a first assembling support through screws, and the top of the left key bridge and the top of the right key bridge are fixedly connected with a second assembling support through screws.

Preferably, the width of the groove is the same as the height of the main profile.

Preferably, the left key and the right key are hollow, and the left key and the right key are made of ZAlSi7Mg aluminum alloy.

Preferably, the left key assembly bracket, the right key assembly bracket, the first assembly bracket and the second assembly bracket are made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that: according to the assembled hollow low-pressure cast aluminum alloy rear auxiliary frame, the left key and the right key are hollow cast through the combined application of the accessories, so that good suspension connection rigidity can be brought; the road vibration isolation device can isolate road vibration to bring good comfort; compared with the traditional steel auxiliary frame, the aluminum alloy auxiliary frame has light weight and good flexibility; the method has extremely high active safety and dynamic operability; meanwhile, the novel steel plate die also has the advantages of economic fuel consumption, difficult rusting, reasonable structure, uniform plate thickness distribution, simple die design, few parts, few casting and welding procedures, difficult deformation, simple clamp design and small machining difficulty, and improves the machining efficiency and the using effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main section of the present invention;

fig. 3 is a schematic view of the section bar frame of the present invention.

In the figure: 100 left key, 110 left key bridge, 120 left key assembly hole, 130 left key assembly bracket, 200 main section bar, 210 section bar frame, 211 top buckle, 212 bottom buckle, 213 groove, 220 back plate, 230 back plate hole, 300 right key, 310 right key bridge, 320 right key assembly hole, 330 right key assembly bracket, 400 secondary section bar, 500 first assembly bracket, 600 second assembly bracket.

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.

The utility model provides an assembled hollow low-pressure cast aluminum alloy rear auxiliary frame, which is convenient to process through the combined application of accessories, improves the use strength and the effect, please refer to fig. 1-3, and comprises a left key 100, a main section bar 200, a right key 300 and an auxiliary section bar 400;

referring to fig. 1 again, the top of the left key 100 is provided with a left key bridge 110, specifically, the top of the left key 100 is integrally connected with the left key bridge 110, the left side wall of the left key 100 is provided with a left key assembling hole 120, the top of the left key 100 is fixedly connected with a left key assembling bracket 130 through a screw, and the assembling hole is convenient for external assembling;

referring to fig. 1-3 again, the left side wall of the main section bar 200 is fixedly mounted with the right side wall of the left key 100, specifically, the right side wall of the left key 100 is welded with the main section bar 200, the rear side wall of the main section bar 200 is fastened with a section bar frame 210, the front side wall of the section bar frame 210 is integrally connected with a top buckle 211, a bottom buckle 212 and a groove 213, the rear side wall of the section bar frame 210 is welded with a back plate 220, and the right side wall of the back plate 220 is provided with a back plate hole 230;

referring to fig. 1 again, the left side wall of the right key 300 is fixedly mounted with the right side wall of the main profile 200, specifically, the right side wall of the main profile 200 is welded with the right key 300, the top of the right key 300 is integrally connected with a right key bridge 310, the right side wall of the right key bridge 310 is provided with a right key assembly hole 320, and the top of the right key bridge 310 is fixedly connected with a right key assembly bracket 330 through a screw;

referring to fig. 1 again, the right side wall of the secondary profile 400 is fixedly installed with the left side wall of the right key 300, specifically, the right side wall of the secondary profile 400 is welded with the right key 300;

referring to fig. 1 again, the rear side wall of the first assembling bracket 500 is fixedly installed with the front side walls of the left and

right key bridges

100 and 310, and specifically, the front side walls of the left and right

key bridges

110 and 310 are fixedly connected with the first assembling bracket 500 through screws;

referring to fig. 1 again, the bottom of the second mounting bracket 600 is fixedly mounted to the tops of the left and right

key bridges

100 and 310, and specifically, the tops of the left and right

key bridges

110 and 310 are fixedly connected to the second mounting bracket 600 through screws;

when the auxiliary frame is used specifically, firstly, the auxiliary frame is subjected to split casting and profile welding and assembly, the auxiliary frame is divided into a left key 100 and a right key 300, a main profile 200 and an auxiliary profile 400 are welded, the left key 100 and the right key 300 are subjected to hollow casting, sand cores are required for casting, parts of assembly holes are solid, a first assembly support 500 and a second assembly support 600 are required to be assembled due to motor assembly limitation, a high mode can be obtained through a hollow structure, materials of parts which are stressed less are removed through topology optimization, the weight of the auxiliary frame is reduced as much as possible, a frame raw material is AlSi7Mg, a blank is obtained through hollow low-pressure casting, sand cores are shaken out, machining is carried out, a left key assembly hole 120 and a right key assembly hole 320 are obtained, and the aluminum alloy auxiliary frame can bring good suspension connection rigidity; the road vibration isolation device can isolate road vibration to bring good comfort; compared with the traditional steel auxiliary frame, the aluminum alloy auxiliary frame has light weight and good flexibility; the method has extremely high active safety and dynamic operability; meanwhile, the fuel oil consumption is low, and the rust is not easy to occur.

Referring again to fig. 1, in order to facilitate the snap-fit with the main profile 200, specifically, the width of the groove 213 is the same as the height of the main profile 200.

Referring to fig. 1 again, in order to reduce weight and improve strength, specifically, the left key 100 and the right key 300 are hollow, and the left key 100 and the right key 300 are made of ZAlSi7Mg aluminum alloy.

Referring to fig. 1 again, in order to ensure the strength of the external connection and the receiving, the left key assembling bracket 130, the right key assembling bracket 330, the first assembling bracket 500 and the second assembling bracket 600 are made of stainless steel.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a sub vehicle frame behind hollow low pressure casting aluminum alloy of assembled which characterized in that: including left key (100), main section bar (200), right key (300) and vice section bar (400), the right side wall welding of left key (100) main section bar (200) with vice section bar (400), the right side wall welding of main section bar (200) with vice section bar (400) right key (300), the top integrated into one piece of left key (100) is connected with left key bridge (110), left key pilot hole (120) have been seted up to the left side wall of left key (100), the top of left key (100) is through screw fixedly connected with left key assembly support (130), the back wall buckle of main section bar (200) has section bar frame (210), the preceding lateral wall integrated into one piece of section bar frame (210) is connected with top buckle (211), end buckle (212) and recess (213), the back wall welding of section bar frame (210) has backplate (220), backplate hole (230) have been seted up to the right side wall of backplate (220), the top integrated into one piece of right key (300) is connected with right key bridge (310), right key pilot hole (320) have been seted up to the right side wall of right key bridge (310), screw fixedly connected with right key assembling support (330) is passed through at the top of right key bridge (310), left side key bridge (110) with the preceding lateral wall of right key bridge (310) passes through the first assembling support (500) of screw fixedly connected with, left side key bridge (110) with screw fixedly connected with second assembling support (600) is passed through at the top of right key bridge (310).

2. The fabricated hollow low-pressure cast aluminum alloy rear subframe of claim 1, wherein: the width of the groove (213) is the same as the height of the main profile (200).

3. The fabricated hollow low-pressure cast aluminum alloy rear subframe of claim 1, wherein: the left key (100) and the right key (300) are hollow structures, and the left key (100) and the right key (300) are made of ZAlSi7Mg aluminum alloy.

4. The fabricated hollow low-pressure cast aluminum alloy rear subframe of claim 1, wherein: the left key assembling support (130), the right key assembling support (330), the first assembling support (500) and the second assembling support (600) are made of stainless steel.