CN219138739U

CN219138739U - 3D prints shaping car door hinge

Info

Publication number: CN219138739U
Application number: CN202222939077.8U
Authority: CN
Inventors: 张帅兵; 史本鹏; 谢洪道; 林颖峰
Original assignee: China Machine Expo Ningbo Automotive Technology Co ltd
Current assignee: China Machine Expo Ningbo Automotive Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-06
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a 3D printing forming automobile door hinge which comprises a connecting piece and a rotating piece, wherein the connecting piece is rotationally connected with the rotating piece through a pin shaft, an abutting part is arranged on the rotating piece, a limiting protruding part is arranged on the connecting piece, the limiting protruding part is in abutting fit with the abutting part, and a locking piece is arranged between the rotating piece and the pin shaft. The rotating piece 1 and the connecting piece 3 are formed integrally through 3D printing, so that special casting dies and casting equipment are not needed, development time and development cost are saved, meanwhile, customization of structural design can be realized through 3D printing, customization requirements of different vehicle types can be truly met, special models which cannot be achieved through a traditional manufacturing mode can be created, special structural design can be realized through 3D printing technology, the stressed structure can be greatly optimized while materials are saved, the practicality of the hinge is further improved, and the pin shaft is locked by the locking piece, so that different working environments can be further met.

Description

3D prints shaping car door hinge

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a 3D printing and molding automobile door hinge device.

Background

The automobile door hinge is used for connecting the automobile body and the automobile door, and because the automobile door has certain weight, in the using process, because the automobile door is heavier, the automobile door hinge is easy to deform after long-term use, and therefore the automobile door hinge needs to be reinforced by the reinforcing plate, thereby preventing deformation.

The application number is as follows: 201820187940.X, the name is a China patent of car door hinge assembly, it contains door leaf, the erection column, the buffer board, the bee calling organ, the spout, the support, the slider, the pivot, the recess, the stopper, a controller, locking double-screw bolt, automobile body page, pressure sensor, baffle box and battery, door leaf side is provided with the buffer board, baffle plate side is provided with the bee calling organ, door leaf tip inboard is provided with the erection column, the erection column tip is provided with the pivot, pivot tip is provided with the slider, the slider outside is provided with the spout, the spout bottom surface is provided with the support, the support tip is provided with automobile body page, automobile body page middle part inboard is provided with locking double-screw bolt, the support outside is provided with the stopper, door page inside side is provided with the recess, the inside bottom surface of recess is provided with pressure sensor, door page inside another side is provided with the baffle box, baffle box inside side is provided with the controller, controller side is provided with the battery.

In the above patent, through being provided with the buffer board that quenching and tempering rubber made at door leaf board and automobile body leaf board side, can carry out certain buffering to the rigidity impact when closing the door, prolonged the life of car door hinge. As is known, there are two main types of hinges on the market at this stage, including the above-mentioned patents: the steel hinge and the stamping hinge, the fixed plate and the rotating plate of the steel hinge are all formed by adopting steel with fixed cross sections through machining, and the steel hinge has advantages in the aspect of strength. The defects are that the manufacturing process of the profile steel hinge is complex, special casting dies and equipment are needed, additional mechanical cutting processing is needed, the process cost is high, and the weight of parts is large; the fixed plate and the rotating plate of the stamping hinge are formed by stamping thick steel plates, the strength of the stamping hinge is inferior to that of a profile steel hinge, and the long-term fatigue is practical and easy to cause the sagging of the vehicle door, so that the stamping hinge has certain limitations.

Disclosure of Invention

The utility model aims to provide a 3D printing formed automobile door hinge device, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a 3D prints shaping car door hinge device, includes connecting piece and rotates the piece, rotate through the round pin axle between connecting piece and the rotation piece and be connected, be provided with the butt portion on the rotation piece, be provided with spacing protruding portion on the connecting piece, spacing protruding portion cooperates with butt portion butt, be provided with the locking piece between rotation piece and the round pin axle.

Further, the rotating member is provided with a reinforcing rib.

Further, the locking piece is a hexagon bolt, the hexagon bolt is in threaded connection with the rotating piece, and the pin shaft is in butt fit with the hexagon bolt.

Further, the rotating piece and the connecting piece are provided with mounting holes.

Further, the reinforcing ribs are made of aluminum alloy materials.

Further, a threaded hole is formed in the pin shaft, and the hexagon bolt is in threaded connection with the threaded hole.

Further, a through hole is formed in one side of the pin shaft, and a pin is slidably arranged in the through hole.

Further, the connecting piece and the rotating piece are integrally made of aluminum alloy materials.

Compared with the prior art, the utility model has the beneficial effects that: this 3D prints shaping car door hinge device, through the cooperation between connecting piece, rotating piece, round pin axle, the locking piece, connecting piece 1 and rotating piece 3 are 3D and print integrated into one piece, consequently, do not need special casting mould and casting equipment, practice thrift the cost, 3D prints simultaneously and can realize structural design's customization, truly satisfy the customization demand of different motorcycle types, and can create the special molding that traditional manufacturing mode can not reach, 3D prints the technology and can realize special structural design, can optimize the structure of atress greatly when saving material, thereby further improve the practicality of this hinge, through setting up the locking piece, can lock the round pin axle, can further satisfy different operational environment, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another overall view structure according to an embodiment of the present utility model;

reference numerals illustrate: 1. a connecting piece; 2. a pin shaft; 3. a rotating member; 4. a locking member; 5. reinforcing ribs; 6. a limit protrusion; 7. an abutting portion; 8. and (5) mounting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a 3D prints shaping car door hinge device, includes connecting piece 1 and rotates 3, rotates through round pin axle 2 between connecting piece 1 and the 3 and rotates and be connected, is provided with butt portion 7 on the 3, is provided with spacing protruding portion 6 on the connecting piece 1, spacing protruding portion 6 and butt portion 7 butt cooperation are provided with locking piece 4 between 3 and the round pin axle 2.

Specifically, the 3D printing forming automobile door hinge device comprises a connecting piece 1 and a rotating piece 3, wherein the connecting piece 1 and the rotating piece 3 are formed integrally through 3D printing, so that special casting dies and casting equipment are not needed, and the cost is saved; as an advanced digital manufacturing technology, 3D printing has great advantages in innovative design of parts, integrated manufacturing, manufacturing of special-shaped complex structural members and personalized batch manufacturing. Compared with the traditional manufacturing method, the 3D printing can realize the customization of structural design, truly meet the customization demands of different vehicle types, and can create special shapes which cannot be achieved by the traditional manufacturing method, meanwhile, the 3D printing technology can realize special structural design, and can greatly optimize the stressed structure while saving materials; the connecting piece 1 is rotationally connected with the rotating piece 3 through the pin shaft 2, so that the connecting piece 1 and the grabbing piece 3 are conveniently connected together, and the use effect is good; the rotating piece 3 is provided with the abutting part 7, the connecting piece 1 is provided with the limiting protruding part 6, and the limiting protruding part 6 is in abutting fit with the abutting part 7, so that the rotating piece 3 is effectively prevented from rotating to a specific position, and the use effect is good; the locking piece 4 is arranged between the rotating piece 3 and the pin shaft 2, the pin shaft 2 can be locked by arranging the locking piece 4, different working environments can be further met, and the use effect is good.

In this embodiment, the rotating member 3 is provided with a reinforcing rib 5.

Preferably, the rotating member 3 is provided with the reinforcing rib 5, and the strength of the hinge can be further improved by arranging the reinforcing rib 5, so that the mechanical strength is not reduced.

In another embodiment provided by the utility model, the locking piece 4 is a hexagon bolt, the hexagon bolt is in threaded connection with the rotating piece 3, and the pin shaft 2 is in abutting fit with the hexagon bolt.

Preferably, the locking piece 4 is a hexagon bolt, the hexagon bolt is in threaded connection with the rotating piece 3, the pin shaft 2 is in butt fit with the hexagon bolt, the pin shaft 2 is conveniently locked, and the use effect is good.

In yet another embodiment of the present utility model, the rotating member 3 and the connecting member 1 are provided with mounting holes 8.

Preferably, the mounting holes 8 are formed in the rotating piece 3 and the connecting piece 1, so that the hinge is conveniently driven to be connected with an automobile door, and the use effect is good.

In another embodiment provided by the utility model, the reinforcing ribs are made of aluminum alloy, the weight is reduced by 40%, the hardness is not reduced, and the utility model is more practical.

In another embodiment provided by the utility model, the pin shaft 2 is provided with a threaded hole, and the hexagonal bolt is in threaded connection with the threaded hole.

In another embodiment provided by the utility model, a through hole is formed in one side of the pin shaft 2, and a pin is slidably arranged in the through hole, so that the pin shaft 2 can be conveniently locked, and the use effect is good.

In another embodiment provided by the utility model, a through hole is arranged on one side of the pin shaft 2, and a pin is slidably arranged in the through hole.

In yet another embodiment of the present utility model, the connecting member 1 and the rotating member 3 are integrally made of aluminum alloy.

It should be noted that the electric equipment in the present application can be powered by a storage battery or an external power supply.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaping car door hinge is printed to 3D which characterized in that:

the device comprises a connecting piece (1) and a rotating piece (3), wherein the connecting piece (1) is rotationally connected with the rotating piece (3) through a pin shaft (2);

an abutting part (7) is arranged on the rotating piece (3), a limiting protruding part (6) is arranged on the connecting piece (1), and the limiting protruding part (6) is in abutting fit with the abutting part (7);

a locking piece (4) is arranged between the rotating piece (3) and the pin shaft (2).

2. The 3D printed molded automobile door hinge of claim 1, wherein: the rotating piece (3) is provided with a reinforcing rib (5).

3. The 3D printed molded automobile door hinge of claim 1, wherein: the locking piece (4) is a hexagon bolt, the hexagon bolt is in threaded connection with the rotating piece (3), and the pin shaft (2) is in butt fit with the hexagon bolt.

4. The 3D printed molded automobile door hinge of claim 1, wherein: the rotating piece (3) and the connecting piece (1) are provided with mounting holes (8).

5. The 3D printed molded automobile door hinge of claim 2, wherein: the reinforcing ribs are made of aluminum alloy materials.

6. A 3D printed molded automotive door hinge according to claim 3, wherein: the pin shaft (2) is provided with a threaded hole, and the hexagonal bolt is in threaded connection with the threaded hole.

7. The 3D printed molded automobile door hinge of claim 1, wherein: a through hole is formed in one side of the pin shaft (2), and a pin is slidably arranged in the through hole.

8. The 3D printed molded automobile door hinge of claim 1, wherein: the connecting piece (1) and the rotating piece (3) are integrally made of aluminum alloy materials.