KR102570051B1 - Automotive Door Hinge Assembly Using Profiles - Google Patents

Abstract

The present invention relates to an automotive door hinge assembly using profiles. The automotive door hinge assembly using profiles has an improved structure to cut profiles on which a body-side hinge arm and a door-side hinge arm are extruded, thereby significantly improving strength and durability in comparison with products manufactured by conventional pressing methods, simplifying the disassembly and assembly of the body-side hinge arm and the door-side hinge arm due to screw joints, and ensuring stability against repetitive impact loads and vibrations during door operation by firmly fixing a hinge shaft part. The automotive door hinge assembly includes a body-side hinge arm (100), a door-side hinge arm (200), a bushing member (300), and a hinge pin part (400).

Description

Automotive door hinge assembly using profiles {Automotive Door Hinge Assembly Using Profiles}

The present invention relates to a door hinge assembly for automobiles using a profile, and more particularly, the body-side hinge arm and the door-side hinge arm are structurally improved so that extrusion-molded profiles are cut to improve strength and strength compared to products manufactured by the existing press method. The durability is highly improved, and in particular, the disassembly and assembly of the body-side hinge arm and the door-side hinge arm are simple by means of a screw joint, and stability from vibration and repetitive shock loads generated during door opening and closing is ensured by firmly fixing the hinge axis. It relates to a door hinge assembly for a vehicle using a profile that can be secured.

In general, a plurality of doors are installed in an automobile, and the doors are connected to the vehicle body so as to be opened and closed by respective hinge assemblies. It includes a hinge pin that rotatably connects the hinge arm and the fixed hinge arm.

Looking at the door hinge assembly technology disclosed in the prior art, in Patent Publication No. 10-2001-0019891, it is manufactured as a pressed material and is sequentially fixed to the door and the body, respectively, and rotates with the first and second hinges to withstand the vertical load caused by the door In the vehicle door sagging prevention structure including first, second lower, and upper hinges that are possibly combined, the first lower hinge and the body are connected and fixed to distribute the compressive force caused by the vertical load of the door. A technique including a reinforcing member has been previously suggested.

However, the prior art attempts to minimize door sagging while using a pressed hinge assembly, but there is a limit to improving strength and durability due to the nature of the pressed material, so it cannot withstand the load of the door and sags over time. In particular, since the hinge assembly is integrally bound and partial replacement of parts is impossible, there is a problem in that the entire hinge assembly must be replaced when a failure occurs.

Accordingly, the present invention has been conceived to solve the above problems, and the structure of the body-side hinge arm and the door-side hinge arm is improved so that the extruded profile is cut, so that the strength and durability are high compared to products manufactured by the conventional press method. In particular, the disassembly and assembly of the body-side hinge arm and the door-side hinge arm are simplified by the screw joint, and stability can be secured from vibration and repetitive shock loads generated during door opening and closing by firmly fixing the hinge axis. The purpose is to provide a door hinge assembly for automobiles using a profile having a profile.

In order to achieve this object, a feature of the present invention is a first base plate 110 formed by cutting and cutting the 'a'-shaped first profile P1 to be extruded, and having a first fastening hole 112 formed therein. ) and a first hinge support 120 protruding from one side of the first base plate 110 to form a first shaft hole 122; The second base plate 210 formed by cutting and cutting the 'a'-shaped second profile P2 to be extruded and having the second fastening hole 212 formed therein, and on one side of the second base plate 210 a door-side hinge arm 200 including a second hinge support 220 protruding to form a second shaft hole 222; A female screw portion 444 formed in the second hinge support 220 and a screw joint 441 screwed into the female screw portion 444 and protruding into the second shaft hole 222 by pitch transfer joint member 440; a bush member 300 inserted into the first shaft hole 122 of the body-side hinge arm 100 and having a bush hole 310 formed in a direction parallel to the axis of the first shaft hole 122; And a floating shaft 410 supported in the first shaft hole 122 with one end inserted into the bush hole 310, and a joint member inserted into the second shaft hole 222 while connected to the floating shaft 410. The fixed shaft 420 constrained by 440 and the clearance washer 430 installed at the boundary between the floating shaft 410 and the fixed shaft 420 to support the space between the first and second hinge supports 120 and 220. ) It is characterized in that it comprises a; hinge shaft portion 400 is provided.

At this time, a concavo-convex portion 442 is formed on the outer circumferential surface of the fixed shaft 420 corresponding to the screw joint 441, and the fixed shaft 420 is inserted into the second shaft hole 222, and the screw joint 441 It is pressurized and constrained by the pitch transfer of, and the end of the screw joint 441 is characterized in that it is provided to be grounded to the concave-convex portion 442 of the fixed shaft 420.

In addition, the concavo-convex portion 442 is formed of a plurality of stripe lines parallel to the longitudinal direction of the fixed shaft 420, and a portion of the concavo-convex portion 442 that is grounded to the end of the screw joint 441 is depressed by pressing, thereby forming a screw joint. (441) characterized in that it is provided so as to be restrained by engaging with the end and the embossed structure.

In addition, an arcuate tip 443 is formed at the end of the screw joint 441, and an arcuate groove 445 is formed on the outer circumferential surface of the fixing shaft 420 corresponding to the arcuate tip 443 of the screw joint 441, The fixed shaft 420 is pressurized and constrained by the pitch transfer of the screw joint 441 while being inserted into the second shaft hole 222, and when the screw joint 441 is pitch transferred, the arcuate tip 443 and the arcuate groove It is characterized in that the fixed shaft 420 is provided so that the pulling force acts in the inner direction of the second shaft hole 222 by cam movement between (445).

In addition, the screw joint 441 is installed at a downward inclination angle toward the inside of the second shaft hole 222, and when the screw joint 441 pitches, the arcuate groove 445 in the arcuate tip 443 forms the second shaft hole 222. It is characterized in that it is provided to be restrained in a state in which the pulling force acts in the shaft hole 222 in the inner direction.

In addition, the floating shaft 410 is inserted into the first shaft hole 122 and riveted so that the end diameter is expanded with the closing ring 500 coupled to the end to form an extension piece 412, and the expansion It is characterized in that the moving shaft 410 is provided to be restrained on the first shaft hole 122 by the piece 412.

In addition, the first hinge support 120 has an arc-shaped embossed portion 124 concentric with the first shaft hole 122 formed on the outer circumferential surface of the end, and the first hinge support 124 is formed on one side of the second hinge support 220. (120) The receiving groove 223 is formed so that the end is received, and the arc-shaped embossed portion 124 and the corresponding receiving groove 223 are formed with an arched concave portion 224 on the inner wall, and the arc-shaped embossed portion 124 The stop protrusion 126 is formed, and while the second hinge support 220 moves in an arc around the hinge shaft portion 400, the stop protrusion 126 is grounded to the second hinge support 220 at a predetermined angle to form an arc. It is characterized in that it is provided so that the radius of motion is limited.

In addition, the bush hole 310 is formed at an eccentric position based on the outer diameter of the bush member 300, and the bush member 300 has one end formed with each side 320 capable of fastening a tool including a spanner, , Screw bolts 330 are installed to fix the position of the bush member 300 inserted into the first shaft hole 122 by being screwed to the first hinge support 120, and by fastening a tool to each side 320 When the bush member 300 is rotated, the eccentric direction of the bush hole 310 is changed with respect to the center of the first shaft hole 122, and the position of the hinge shaft portion 400 is moved so that the body-side hinge arm 100 and the door-side hinge arm It is characterized in that it is provided so that the distance between (200) is adjusted.

According to the above configuration and operation, the structure of the body-side hinge arm and the door-side hinge arm of the present invention is improved so that the extruded profile is cut and processed, so that the strength and durability are highly improved compared to products manufactured by the conventional press method. In particular, the screw Disassembly and assembly of the body-side hinge arm and the door-side hinge arm are simple by means of the joint, and stability can be ensured from vibration and repetitive shock loads generated during door opening and closing by firmly fixing the hinge axis.

1 is an exploded perspective view showing a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention as a whole.
2 is a configuration diagram schematically illustrating a process of manufacturing a body-side hinge arm and a door-side hinge arm of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.
3 is a configuration diagram showing a joint member of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.
4 to 5 are configuration diagrams illustrating an assembly sequence of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.
6 is a block diagram illustrating a structure for limiting a turning angle of a door-side hinge arm of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.
7 is a configuration diagram showing a structure for correcting the position of a hinge shaft portion using a rotational angle in a bush member of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a vehicle door hinge assembly using a profile according to an embodiment of the present invention, and FIG. 2 is a body-side hinge arm of a vehicle door hinge assembly using a profile according to an embodiment of the present invention. 3 is a configuration diagram showing a joint member of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention, and FIGS. It is a block diagram showing an assembly sequence of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention, and FIG. 6 is a turning angle of a hinge arm on the door side of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention. 7 is a configuration diagram showing a limiting structure, and FIG. 7 is a configuration diagram showing a position correcting structure of a hinge shaft portion using a rotational angle of a bush member of a door hinge assembly for a vehicle using a profile according to an embodiment of the present invention.

The present invention relates to a door hinge assembly for a vehicle using a profile. At this time, the door hinge assembly for a vehicle using a profile is structurally improved so that a body-side hinge arm and a door-side hinge arm are extruded and processed by cutting the profile, and thus can be manufactured using a conventional press method. Strength and durability are highly improved compared to manufactured products, and in particular, the disassembly and assembly of the body-side hinge arm and the door-side hinge arm are simple by means of a screw joint, and the hinge axis is firmly fixed to reduce vibration and repetitive vibration generated during door opening and closing. It is a main component including a body-side hinge arm 100, a door-side hinge arm 200, a bush member 300, and a hinge shaft portion 400 capable of securing stability from a phosphorus impact load.

The vehicle body-side hinge arm 100 according to the present invention is formed by cutting and cutting the 'a'-shaped first profile P1 to be extruded, and the first base plate 110 in which the first fastening hole 112 is formed ) and a first hinge support 120 protruding from one side of the first base plate 110 and having a first shaft hole 122 formed therein.

The body-side hinge arm 100 is mounted on the vehicle body to support the door-side hinge arm 200 to be described later in a circular motion, and is installed in the first fastening hole 112 of the first base plate 110. It is installed in such a way as to bind fasteners including bolts.

In addition, the first hinge support 120 is formed with a narrower width than the first base plate 110 and has a first shaft hole 122 passing through the end, and a bush member 300 to be described later in the first shaft hole 122 And it is provided to connect with the door-side hinge arm 200 by fitting and coupling the hinge shaft portion 400 .

At this time, the body-side hinge arm 100 cuts the 'L'-shaped first profile P1 extruded into the 'L' cross-sectional shape to a predetermined length as shown in FIG. It is provided to form the first hinge support 120 by processing.

In this way, as the body-side hinge arm 100 is formed by cutting and processing the 'a'-shaped first profile P1 extruded, it can be manufactured from a material having excellent mechanical strength including SS490M material, so that it can be manufactured in the conventional press method. Compared to manufactured products, there is an advantage in that strength and durability are highly improved.

In addition, the door-side hinge arm 200 according to the present invention is formed by cutting and cutting the 'L'-shaped second profile P2 that is extruded, and the second base plate in which the second fastening hole 212 is formed 210 and a second hinge support 220 protruding from one side of the second base plate 210 and having a second shaft hole 222 formed therein.

The door-side hinge arm 200 is mounted on the door and moves in an arc around a hinge shaft portion 400 to be described later, and includes a bolt in the second fastening hole 212 of the second base plate 210. It is installed in a way that binds the fasteners to be.

In addition, the second hinge support 220 is formed with a narrower width than the second base plate 210 and has a second shaft hole 222 passing through the end, and a hinge shaft portion 400 to be described later in the second shaft hole 222 It is provided to be connected to the vehicle body side hinge arm 100 by fitting and coupling.

At this time, the door-side hinge arm 200 cuts the 'L'-shaped second profile P2 extruded into the 'L' cross-section shape to a predetermined length as shown in FIG. It is provided to form the second hinge support 220 by processing.

In this way, as the door-side hinge arm 200 is formed by cutting and processing the 'a'-shaped second profile (P2) extruded, it can be manufactured from a material having excellent mechanical strength including SS490M material. Compared to manufactured products, there is an advantage in that strength and durability are highly improved.
In addition, the female screw portion 444 formed in the second hinge support 220 and the screw joint 441 screwed to the female screw portion 444 and protruding into the second shaft hole 222 by pitch transfer A joint member 440 including a joint member 440 is provided, and a detailed description of the joint member 440 accordingly refers to the description of FIG. 3 to be described later.

In addition, the bush member 300 according to the present invention is inserted into the first shaft hole 122 of the body-side hinge arm 100, and the bush hole 310 is formed in a direction parallel to the axis of the first shaft hole 122 do.

The bush member 300 is formed of a softer material than the vehicle body side hinge arm 100 and the hinge shaft portion 400 to be described later, and is provided to improve frictional resistance between assembly parts.

At this time, the bush member 300 has a flange formed at one end, and the flange is provided to improve frictional resistance between the gap washer 430 of the hinge shaft portion 400 and the bottom surface of the first hinge support 120, and the other One end is provided to improve frictional resistance between the upper surface of the first hinge support 120 and the closing ring 500 to be described later by forming a flange while expanding the end of the hinge shaft portion 400 together during riveting.

In addition, the hinge shaft portion 400 according to the present invention is connected to the floating shaft 410 supported by the first shaft hole 122 with one end inserted into the bush hole 310 and the floating shaft 410 The fixed shaft 420 inserted into the second shaft hole 222 and constrained by the joint member 440 and the first and second hinge supports 120 installed at the boundary between the floating shaft 410 and the fixed shaft 420 ( 220 is provided with a gap washer 430 for spaced support.

The hinge shaft portion 400 has a floating shaft 410 formed on one end around the clearance washer 430 and a fixed shaft 420 formed on the other side, and the floating shaft 410 has a first shaft hole 122 ), the end is expanded by riveting and installed rotatably.

That is, as shown in FIG. 4, the moving shaft 410 is inserted into the first shaft hole 122 and riveted so that the end diameter is expanded while the closing ring 500 is coupled to the end to form an extension piece 412, , The moving shaft 410 is provided to be constrained on the first shaft hole 122 by the extension piece 412, and then inserted into the second shaft hole 222 of the fixed shaft 420 as shown in FIG. It is provided to assemble by fastening with a screw joint 441.

In FIG. 3 (a), the joint member 440 is screwed into the female screw portion 444 of the second hinge support 220, and the screw joint protrudes into the second shaft hole 222 by pitch transfer ( 441) and a concave-convex portion 442 formed on the outer circumferential surface of the fixed shaft 420 corresponding to the screw joint 441.

In addition, the fixed shaft 420 is pressed and constrained by the pitch feed of the screw joint 441 in a state of being inserted into the second shaft hole 222, and the end of the screw joint 441 is the uneven portion of the fixed shaft 420. As it is provided to be grounded at 442, there is an advantage of excellent assembly and disassembly for future repair.

At this time, the concave-convex portion 442 is formed of a plurality of stripe lines parallel to the longitudinal direction of the fixed shaft 420 . As a result, a portion of the uneven portion 442 grounded with the end of the screw joint 441 is pressurized and depressed, and is engaged with the end of the screw joint 441 in a negative and embossed structure to be restrained, so that the fixed shaft 420 is firmly fastened and is resistant to vibration. The loosening of the screw joint 441 due to this is prevented.

In FIG. 3 (b), the joint member 440 is screwed into the female screw portion 444 of the second hinge support 220, protrudes into the second shaft hole 222 by pitch transfer, and is attached to the end. It includes a screw joint 441 where the arcuate tip 443 is formed, and an arcuate groove 445 formed on the outer circumferential surface of the fixing shaft 420 corresponding to the arcuate tip 443 of the screw joint 441.

The fixed shaft 420 is pressure-constrained by the pitch feed of the screw joint 441 while being inserted into the second shaft hole 222 .

As such, when the screw joint 441 is pitch-transferred, a cam motion (sliding motion) between the arcuate tip 443 and the arcuate groove 445 causes the fixed shaft 420 to apply a pulling force toward the inside of the second shaft hole 222. Since it is provided to do so, there is an advantage in that assembly precision between parts is improved.

In addition, the screw joint 441 is installed at a downward inclination angle toward the inside of the second shaft hole 222, and at this time, the screw joint 441 is preferably formed at an inclination angle of 1 to 8 degrees.

Accordingly, when the screw joint 441 is pitch-transferred, the arcuate groove 445 of the arcuate tip 443 is pressed inward into the second shaft hole 222 and restrained with a pull-in force acting thereon, resulting in assembly accuracy between parts. With the improvement, the vertical binding force of the second shaft hole 222 is firmly maintained.

In FIG. 6, the first hinge support 120 has an arc-shaped embossed portion 124 concentric with the first shaft hole 122 formed on the outer circumferential surface of the end, and on one side of the second hinge support 220, the first An accommodation groove 223 is formed to receive the end of the hinge support 120, and an arc-shaped concave portion 224 is formed on the inner wall of the accommodating groove 223 corresponding to the arc-shaped concave portion 124.

In addition, a stop protrusion 126 is formed on the arc-shaped embossed portion 124, and the second hinge support 220 is moved in an arc around the hinge shaft portion 400, and the stop protrusion 126 is positioned at a predetermined angle. 2 Since it is grounded to the hinge support 220 and provided to limit the radius of circular motion, there is an advantage in that a separate means for limiting the door opening angle can be omitted.

In FIG. 7, the bush hole 310 is formed at an eccentric position based on the outer diameter of the bush member 300, and the bush member 300 has one end of each side 320 capable of fastening a tool including a spanner. ) is formed.

In addition, a screw bolt 330 is installed to fix the position of the bush member 300 inserted into the first shaft hole 122 by being screwed to the first hinge support 120 .

Accordingly, when the bush member 300 is rotated by fastening a tool to each surface 320, the eccentric direction of the bush hole 310 is changed with respect to the center of the first shaft hole 122, and the position of the hinge shaft portion 400 is moved, so that the vehicle body Since the distance between the side hinge arm 100 and the door-side hinge arm 200 is finely adjusted, the door position can be finely adjusted during the assembly process, and an error in opening and closing the door can be easily corrected during use.

100: body side hinge arm 110: first base plate
120: first hinge support 122: first shaft hole
200: door side hinge arm 210: second base plate
220: second hinge support 222: second shaft hole
300: bush member 310: bush hole
400: hinge axis 410: floating axis
420: Fixed shaft 430: Gap washer
P1: 'a'-shaped first profile P2: 'a'-shaped second profile

Claims (8)

The first base plate 110 formed by cutting and cutting the 'a'-shaped first profile P1 to be extruded and having the first fastening hole 112 formed therein, and on one side of the first base plate 110 a body-side hinge arm 100 including a first hinge support 120 protruding to form a first shaft hole 122;
The second base plate 210 formed by cutting and cutting the 'a'-shaped second profile P2 to be extruded and having the second fastening hole 212 formed therein, and on one side of the second base plate 210 a door-side hinge arm 200 including a second hinge support 220 protruding to form a second shaft hole 222;
A female screw portion 444 formed in the second hinge support 220 and a screw joint 441 screwed into the female screw portion 444 and protruding into the second shaft hole 222 by pitch transfer joint member 440;
a bush member 300 inserted into the first shaft hole 122 of the body-side hinge arm 100 and having a bush hole 310 formed in a direction parallel to the axis of the first shaft hole 122; and
The joint member ( A gap washer 430 installed at the boundary between the fixed shaft 420 constrained by 440 and the floating shaft 410 and the fixed shaft 420 to support the space between the first and second hinge supports 120 and 220 A door hinge assembly for a vehicle using a profile comprising a; hinge shaft portion 400 having a. According to claim 1,
A concave-convex portion 442 is formed on the outer circumferential surface of the fixed shaft 420 corresponding to the screw joint 441,
The fixed shaft 420 is pressurized and restrained by the pitch feed of the screw joint 441 while being inserted into the second shaft hole 222,
The door hinge assembly for a vehicle using a profile, characterized in that the end of the screw joint (441) is provided to be grounded to the concave-convex portion (442) of the fixing shaft (420). According to claim 2,
The concavo-convex portion 442 is formed of a plurality of stripe lines parallel to the longitudinal direction of the fixed shaft 420,
A door hinge assembly for a vehicle using a profile, characterized in that a partial region of the concavo-convex portion 442 grounded with the end of the screw joint 441 is pressurized and depressed, engaging and restrained with the end of the screw joint 441 in a negative and embossed structure. According to claim 1,
An arcuate tip 443 is formed at the end of the screw joint 441,
An arcuate groove 445 is formed on the outer circumferential surface of the fixing shaft 420 corresponding to the arcuate tip 443 of the screw joint 441,
The fixed shaft 420 is pressurized and restrained by the pitch feed of the screw joint 441 while being inserted into the second shaft hole 222,
When the screw joint 441 is pitch-transferred, the fixing shaft 420 is provided so that the pulling force acts toward the inside of the second shaft hole 222 by cam movement between the arcuate tip 443 and the arcuate groove 445. A door hinge assembly for automobiles using a profile to be. According to any one of claims 2 to 4,
The screw joint 441 is installed at a downward inclination angle toward the inside of the second shaft hole 222,
When the screw joint 441 is pitch fed, the arcuate groove 445 in the arcuate tip 443 is provided so as to be restrained in a state in which the pulling force acts in the inner direction of the second shaft hole 222, using a profile characterized in that Door hinge assembly for automobiles. According to claim 1,
The moving shaft 410 is inserted into the first shaft hole 122 and riveted to expand the end diameter with the closing ring 500 coupled to the end to form an extension piece 412, and the extension piece ( A door hinge assembly for a vehicle using a profile, characterized in that the moving shaft 410 is restrained on the first shaft hole 122 by 412). According to claim 1,
The first hinge support 120 has an arc-shaped embossed portion 124 concentric with the first shaft hole 122 formed on the outer circumferential surface of the end,
An accommodation groove 223 is formed on one side of the second hinge support 220 to accommodate the end of the first hinge support 120, and an arc-shaped concave portion is formed on the inner wall of the accommodating groove 223 corresponding to the arc-shaped embossed portion 124. (224) is formed,
A stop protrusion 126 is formed on the arc-shaped embossed portion 124, and while the second hinge support 220 moves in an arc around the hinge shaft portion 400, the stop protrusion 126 moves at a predetermined angle to the second hinge. A door hinge assembly for a vehicle using a profile, characterized in that it is grounded to the support 220 and provided to limit the radius of circular motion. According to claim 1,
The bush hole 310 is formed at an eccentric position based on the outer diameter of the bush member 300,
The bush member 300 has one end formed with each side 320 capable of fastening a tool including a spanner,
A screw bolt 330 is installed to fix the position of the bush member 300 inserted into the first shaft hole 122 by being screwed to the first hinge support 120,
When the bush member 300 is rotated by fastening a tool to each surface 320, the eccentric direction of the bush hole 310 is changed with respect to the center of the first shaft hole 122, and the position of the hinge shaft portion 400 is moved to the vehicle body side A door hinge assembly for a vehicle using a profile, characterized in that the distance between the hinge arm 100 and the door-side hinge arm 200 is adjusted.