CN-121973704-A - General automobile body extends piece

Abstract

The invention discloses a general vehicle body expansion piece which comprises a fixed base and an expansion connecting part. The invention adopts a 1/4 threaded interface to adapt to the trunk of a plurality of vehicle types, the expansion function piece is detachably connected with the universal installation component, the use cost is reduced, the two-step installation and the disassembly are convenient and quick, no special tool is needed, the clamping groove locking mechanism is anti-seismic and anti-loose and absorbs the tolerance of the locating hole, the structure is stable, the functions are various and the design is optimized, the practicability and the flexibility of the trunk are effectively improved, and the problems of poor adaptation, difficult installation and single function of the existing expansion piece are solved.

Inventors

• WENG KAI

Assignees

• 上海栖程科技有限公司

Dates

Publication Date

20260505

Application Date

20260128

Claims (8)

1. 1. The universal vehicle body expansion piece is characterized by comprising a fixed base and an expansion connecting part; The fixing base comprises a connecting screw rod, a tolerance adapting seat and a first elastic element, wherein a limiting pressing sheet is arranged at the lower end of the connecting screw rod, a positioning cavity matched with the limiting pressing sheet is arranged above the tolerance adapting seat, the first elastic element is arranged between the limiting pressing sheet and the tolerance adapting seat, the lower part of the tolerance adapting seat is connected with an expansion connecting portion, and a clamping groove used for being connected with an external fitting is formed in the bottom of the expansion connecting portion.
2. 2. The universal vehicle body extender of claim 1, wherein the threads of the connecting screw are 1/4 inch standard threaded interfaces.
3. 3. The universal vehicle body expansion member according to claim 1, wherein a first elastic element accommodation chamber is provided at a bottom center of the connecting screw, and an upper portion of the first elastic element is accommodated in the first elastic element accommodation chamber.
4. 4. The universal vehicle body expanding member according to claim 1, wherein the upper portion of the tolerance adapter seat is provided with a mounting cavity, a positioning cavity recessed downwards is arranged in the middle of the mounting cavity, and the positioning cavity and the limiting pressing piece are both in a regular hexagon shape.
5. 5. The universal vehicle body expansion member according to claim 4, further comprising a fixing connecting piece, wherein the fixing connecting piece covers and is fixed at the top opening of the installation cavity, a through hole is formed in the center of the fixing connecting piece, and the connecting screw rod penetrates through the through hole.
6. 6. The universal vehicle body expansion member according to claim 5, wherein the fixing connection piece, the tolerance adapter seat and the expansion connection portion are fixedly connected by screws.
7. 7. The universal vehicle body expansion member according to claim 1, wherein a clamping groove locking mechanism is arranged between the tolerance adapting seat and the expansion connecting portion, the clamping groove locking mechanism comprises a locking member and a second elastic element, the locking member is slidably arranged between the tolerance adapting seat and the expansion connecting portion, one end of the locking member protrudes upwards to form a pressing portion, the pressing portion is exposed out of the expansion connecting portion, the other end of the locking member extends downwards to form a locking portion, a second elastic element accommodating cavity is formed in one side, facing away from the pressing portion, of the locking portion, a locking cavity is formed in the upper portion of the expansion connecting portion, the locking portion extends into the locking cavity, one end of the second elastic element is accommodated in the second elastic element accommodating cavity, and the other end of the second elastic element abuts against the inner wall of the locking cavity.
8. 8. The universal vehicle body expansion member according to claim 7, wherein the external fitting comprises a connecting slider detachably connected to the clamping groove, a limiting groove is provided on the connecting slider, and the locking portion is capable of being locked into the limiting groove when the connecting slider is locked into the clamping groove.

Description

General automobile body extends piece Technical Field The invention relates to the technical field of automobile accessories, in particular to a general automobile body expanding piece. Background With the increase of the automobile storage quantity, the practicability and individuation demands of consumers on automobiles are increasingly improved, and the types of automobile trunk expansion parts on the market at present are various, such as hooks, clothes airing rods, illuminating lamps and the like. However, the screw interfaces of the back-up cabins of different vehicle types are different in specification, most of existing expansion pieces are special in design, cannot be used in a vehicle-crossing mode and are general, consumers need to purchase again after replacing the vehicle types, the use cost is high, part of existing expansion pieces are fixed in a sticking mode, are easy to fall off after long-term use, cannot adapt to vibration in the running process of the vehicle, are easy to loosen, meanwhile, a vehicle body positioning hole has machining tolerance, and the existing expansion pieces lack of tolerance compensation structures, so that the fitting degree is poor after installation. Disclosure of Invention The invention aims to provide a general vehicle body expanding piece which solves the problems in the background art. In order to solve the technical problems, the invention adopts the following technical scheme: a general vehicle body expansion piece comprises a fixed base and an expansion connecting part; The fixing base comprises a connecting screw rod, a tolerance adapting seat and a first elastic element, wherein a limiting pressing sheet is arranged at the lower end of the connecting screw rod, a positioning cavity matched with the limiting pressing sheet is arranged above the tolerance adapting seat, the first elastic element is arranged between the limiting pressing sheet and the tolerance adapting seat, the lower part of the tolerance adapting seat is connected with an expansion connecting portion, and a clamping groove used for being connected with an external fitting is formed in the bottom of the expansion connecting portion. Further, the threads of the connecting screw are 1/4 inch standard threaded interfaces. Further, a first elastic element accommodating cavity is formed in the center of the bottom of the connecting screw, and the upper portion of the first elastic element is accommodated in the first elastic element accommodating cavity. Further, an installation cavity is formed in the upper portion of the tolerance adapting seat, a positioning cavity which is sunken downwards is formed in the middle of the installation cavity, and the positioning cavity and the limiting pressing piece are both in a regular hexagon shape. Further, the expanding piece further comprises a fixed connecting piece, the fixed connecting piece covers and is fixed at the top opening of the mounting cavity, a through hole is formed in the center of the fixed connecting piece, and the connecting screw rod penetrates through the through hole. Further, the fixed connection piece, the tolerance adapting seat and the expansion connection part are fixedly connected through screws in a penetrating manner. Further, a clamping groove locking mechanism is arranged between the tolerance adapting seat and the expansion connecting portion, the clamping groove locking mechanism comprises a locking piece and a second elastic element, the locking piece is slidably arranged between the tolerance adapting seat and the expansion connecting portion, one end of the locking piece protrudes upwards to form a pressing portion, the pressing portion is exposed outside the expansion connecting portion, the other end of the locking piece extends downwards to form a locking portion, a second elastic element accommodating cavity is formed in one side, facing away from the pressing portion, of the locking portion, a locking cavity is formed in the upper portion of the expansion connecting portion, the locking portion stretches into the locking cavity, one end of the second elastic element is accommodated in the second elastic element accommodating cavity, and the other end of the second elastic element is in butt joint with the inner wall of the locking cavity. Further, the external fitting comprises a connecting sliding block, the connecting sliding block is detachably connected with the clamping groove, a limiting groove is formed in the connecting sliding block, and when the connecting sliding block is clamped into the clamping groove, the locking part can be clamped into the limiting groove. The beneficial effects are that: The invention adopts a 1/4 threaded interface to adapt to the trunk of a plurality of vehicle types, the expansion function piece is detachably connected with the universal installation component, the use cost is reduced, the two-step installation and the disassembly are convenient and quick, no special too