JP2006027553A - Door hinge device and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To secure rigidity and strength of a device even when a projected plate part of a main body plate or a support plate is comparatively lengthy. <P>SOLUTION: A stiffening member 5 is erected at least one of the projected plate parts 21, 31 of the main body plate 2 and the support plate 3 in the door hinge device 1 furnished with the projected plate part 21 of the main body plate 2 projected from the door main body, the projected plate part 31 of the support plate 3 projected from a door supporting body and a hinge pin 4 to pass through each of the projected plate parts 21, 31. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a door hinge device that is interposed between a door main body and a door support and makes the door main body rotatable with respect to the door support, and a manufacturing method thereof.

  2. Description of the Related Art Conventionally, a door hinge device is used to support a door main body rotatably on a door support body including an automobile vehicle. As a door hinge device, it is common to have a body plate fixed to a door body and a support plate fixed to a door support, and each plate is rotatably connected by a hinge pin (for example, patent document) 1).

In this door hinge device, the main body plate is formed with a pair of upper and lower projecting plates extending substantially horizontally from the door body, and the support plate is formed with a pair of upper and lower projecting plates extending substantially horizontally from the door support (vehicle body). The The protruding plate portions are overlapped with each other in the vertical direction, and hinge pins that pass through the protruding plate portions are installed vertically. Thus, the main body plate and the support plate are allowed to rotate, and the door main body is rotatably supported by the door support.
JP 2003-118370 A

  By the way, in the said door hinge apparatus, since the weight of a door main body acts on each protrusion board part, the stress and moment which act on each protrusion board part increase, so that each protrusion board part is lengthened. Thereby, the dimension of each protrusion board part was restrict | limited and there existed a problem that the modeling freedom degree around a door including a door main body and a door support body was restrict | limited.

  The present invention has been made in view of the above circumstances, and its object is to ensure the rigidity and strength of the device even if the protruding plate portion of the main body plate or the support plate is relatively long. It is an object to provide a door hinge device and a manufacturing method thereof.

  In order to achieve the object, the invention according to claim 1 is configured such that the main body plate fixed to the door main body and the support plate fixed to the door support are rotatable with respect to each other about the hinge pin. A door hinge device, wherein the main body plate has a pair of substantially parallel projecting plate portions projecting from the door body, and the support plate is superposed on each projecting plate portion of the main body plate. The hinge pin is inserted into each protruding plate portion of the main body plate and each protruding plate portion of the support plate, and is supplemented to at least one of the protruding plate portions of the main body plate and the support plate. A rigid member is installed.

According to the first aspect of the present invention, in the main body plate and the support plate, the protruding plate portions are arranged so as to be separated from each other. The protruding plate portions of the main body plate and the support plate overlap with each other at both ends of the hinge pin. Then, when the hinge pins are inserted through the protruding plate portions, the rotation of the main body plate and the support plate is allowed, and as a result, the door main body is rotatably supported with respect to the door support.
At least one of the main body plate and the support plate is provided with a stiffening member on each protruding plate portion. Thereby, each protrusion board part is connected, the section modulus near each protrusion board part improves, and the bending rigidity of the whole apparatus, torsional rigidity, etc. improve. Therefore, the door body and the vehicle body must be arranged apart from each other for convenience of layout, and sufficient rigidity and strength as a device can be obtained even when each protruding plate portion of at least one of the plates is long. Can be secured. Moreover, even when the weight of the door body is increased, necessary rigidity and strength can be ensured.
Furthermore, since each protrusion board part of at least one of a main body plate and a support plate is connected by the stiffening member, the dimensional accuracy between each protrusion board part spaced apart from each other improves. As a result, the assembly accuracy of the door body with respect to the door support is improved, and it becomes easy to ensure airtightness, watertightness, etc. when the door is closed, which is extremely advantageous in practical use.

  According to a second aspect of the present invention, in the door hinge device according to the first aspect, the stiffening member is a caulking pin that passes through each of the protruding plate portions.

  According to invention of Claim 2, in addition to the effect | action of Claim 1, since a stiffening member is a crimp pin, it can connect each protrusion board part comparatively easily. Moreover, since it is caulking, heat or the like is not generated when the protruding plate portions are connected, and the protruding plate portions or the like are not thermally deformed.

  According to a third aspect of the present invention, in the door hinge device according to the second aspect, the crimping pin is included, and a pipe member interposed between the protruding plate portions through which the crimping pin is inserted is provided. To do.

  According to the third aspect of the present invention, in addition to the operation of the second aspect, the pipe member further improves the section modulus in the vicinity of each protruding plate portion, thereby further improving the bending rigidity, torsional rigidity, and the like of the entire apparatus. Thereby, the dimensional accuracy between each protruding plate part is further improved. Further, since the pipe member may be disposed outside the caulking pin, the pipe member can be easily installed, and the productivity of the apparatus is advantageous.

  According to a fourth aspect of the present invention, in the door hinge device according to the first aspect, the stiffening member is a bar member welded to each protruding plate portion.

  According to the invention described in claim 4, in addition to the effect of claim 1, since the stiffening member is welded to each protruding plate portion, the protruding plate portions separated from each other are restrained, and the rigidity and strength of the device are reduced. Will improve dramatically.

  In the invention according to claim 5, a main body plate having a pair of substantially parallel projecting plate portions fixed to the door main body and projecting from the door main body, and each projecting plate portion of the main body plate fixed to the door support. A support plate having a pair of projecting plate portions is configured to be rotatable with respect to each other about a hinge pin including a caulking pin that passes through each projecting plate portion of the main body plate and each projecting plate portion of the support plate, In manufacturing a door hinge device including a stiffening pin including a caulking pin that passes through each protruding plate portion in each protruding plate portion of at least one of the main body plate and the support plate, the hinge pin and the stiffening pin are It is characterized by caulking simultaneously with one caulking device.

  According to the invention described in claim 5, since the hinge pin and the stiffening pin are caulked simultaneously with one caulking device, the hinge pin and the stiffening pin can be processed in the same process, and the device manufacturing process This can reduce the manufacturing cost.

Thus, according to the door hinge device of the present invention, the rigidity and strength of the device can be secured even if the protruding plate portion of the main body plate or the support plate is relatively long.
Moreover, according to the manufacturing method of the door hinge apparatus of this invention, the manufacturing process of an apparatus can be reduced and reduction of manufacturing cost can be aimed at.

  1 to 3 show an embodiment of the present invention. FIG. 1 is an external perspective view of a door hinge device, FIG. 2 is a side view of the door hinge device, and FIG. 3 is an upper surface of the door hinge device in a state of being incorporated in a vehicle. FIG.

  As shown in FIG. 1, the door hinge apparatus 1 includes a main body plate 2 fixed to a door main body D and a support plate 3 fixed to a vehicle body B as a door support body, which rotate with respect to a hinge pin 4. Configured to be free. This door hinge apparatus 1 is used for the side door of a motor vehicle (refer FIG. 3).

  As shown in FIG. 1, the main body plate 2 has a pair of upper and lower protruding plate portions 21 that protrude from the door main body D and extend substantially horizontally. The protruding plate portions 21 are formed substantially parallel to each other. A flange portion 22 extending along the door body D is continuously formed at the base end of each protruding plate portion 21. Each flange portion 22 extends substantially vertically so as to be separated from each other, and a bolt hole 23 for fastening with the door body D is formed. In the present embodiment, the door body D and the vehicle body B as the door support are separated from each other, and the protruding plate portions 21 are formed to be longer than the conventional one. Has been.

  Further, a connecting portion 24 extending substantially vertically is continuously formed at the tip of each protruding plate portion 21 so that the main body plate 2 forms a closed section together with the vehicle body B. In the present embodiment, as shown in FIG. 2, the main body plate 2 has a substantially hat shape, and a single plate material is processed to continuously form the flange portions 22, the protruding plate portions 21, and the connecting portions 24. Has been.

  As shown in FIG. 1, the support plate 3 has a pair of upper and lower protruding plate portions 31 that protrude from the vehicle body B and extend substantially horizontally. The protruding plate portions 31 are formed substantially parallel to each other. Each protruding plate portion 31 is formed integrally with a flange portion 33 formed at the upper and lower ends of a plate-like fixing portion 32 fixed along the vehicle body B. In the present embodiment, as shown in FIG. 2, the protruding plate portions 31 of the support plate 3 are superimposed on the upper and lower outer sides of the protruding plate portions 21 of the main body plate 2.

  The protruding plate portions 21 of the main body plate 2 and the protruding plate portions 31 of the support plate 3 are inserted through the hinge pins 4 extending substantially up and down, and are rotatable with respect to each other. Thereby, the rotation of the main body plate 3 and the support plate 2 is allowed. As a result, as shown in FIG. 3, the door main body D is rotatably supported with respect to the vehicle body B as a door support. Become. As shown in FIG. 2, in the present embodiment, the hinge pin 4 is a caulking pin and is caulked on the upper and lower outer sides of the protruding plate portions 31. As shown in FIG. 1, the fixing portion 32 is formed with a bolt hole 34 for fastening with the vehicle body. The fixed portion 32 is formed with a bead 35 extending in a substantially horizontal direction.

  As shown in FIG. 1, caulking pins 5 as stiffening members are installed on the protruding plate portions 21 of the main body plate 2. The caulking pin 5 is disposed between the hinge pin 4 and the door body D. As shown in FIG. 2, the caulking pins 5 extend vertically and are caulked on the upper and lower outer sides of the protruding plate portions 21. In addition, a pipe member 6 that includes the caulking pin 5 is interposed in each protruding plate portion 21.

  The manufacturing method of the door hinge apparatus 1 comprised as mentioned above is demonstrated. First, the tube member 6 is interposed in the body plate 2 that has already been formed, and the caulking pin 5 is inserted. Next, the protruding plate portions 21 and 31 of the main body plate 2 and the support plate 3 are overlapped with each other, and the hinge pin 4 is inserted into each protruding plate portion 21 and 31. The hinge pin 4 and the caulking pin 5 are caulked simultaneously by the same caulking device. Thereafter, it is assembled to the vehicle body B and the door body D.

  Thus, according to the door hinge device 1 of the present embodiment, since the stiffening member 5 is installed on each protruding plate portion 21 of the main body plate 2, each protruding plate portion 21 is connected to each protruding plate portion 21. The section modulus in the vicinity is improved, and the bending rigidity and torsional rigidity of the entire apparatus are improved. That is, although bending stress and torsional moment due to the weight of the door main body D act on each protruding plate portion 21, it is possible to effectively resist these stresses and moments. Further, it is possible to effectively resist repeated stress generated by the impact of pushing up from the road surface when the vehicle is traveling. Therefore, the door main body D and the vehicle body B must be separated from each other for the sake of layout, and even when the protruding plate portions 21 of the main body plate 2 are long as in the present embodiment, the device As a result, sufficient rigidity and strength can be ensured. Of course, the necessary rigidity and strength can be ensured even when the door body D is heavy.

  Further, the tube member 6 in addition to the caulking pin 5 also improves the section modulus in the vicinity of each protruding plate portion 21 and further improves the bending rigidity, torsional rigidity, and the like of the entire apparatus. Thereby, the dimensional accuracy between the protruding plate portions 21 is further improved. Moreover, since the pipe member 6 should just be distribute | arranged to the outer side of the crimp pin 5, installation of the pipe member 6 is easy and it is advantageous also regarding the productivity of an apparatus.

  Further, since the protruding plate portions 21 of the main body plate 2 are connected by the caulking pins 5, the dimensional accuracy between the protruding plate portions 21 that are separated from each other is improved. As a result, the assembly accuracy of the door body with respect to the door support is improved, and it becomes easy to ensure airtightness, watertightness, etc. when the door is closed, which is extremely advantageous in practical use.

  Moreover, according to the door hinge apparatus 1 of this embodiment, since the stiffening member of the main body plate 2 is the caulking pin 5, each protrusion board part 21 can be connected comparatively easily. Moreover, since it is caulking, heat or the like is not generated when the protruding plate portions 21 are connected, and the protruding plate portions 21 and the like are not thermally deformed.

  Moreover, according to the door hinge apparatus 1 of this embodiment, since the bead 35 was formed in the fixing | fixed part 32 of the support plate 3, the cross-sectional modulus of the support plate 3 improved, and also rigidity and intensity | strength improve as a whole apparatus by this.

  Moreover, according to the manufacturing method of the door hinge apparatus 1 of this embodiment, since the hinge pin 4 and the caulking pin 5 are caulked simultaneously with one caulking apparatus, the hinge pin 4 and the caulking pin 5 are processed in the same process. The manufacturing process of the apparatus can be reduced and the manufacturing cost can be reduced.

  In addition, in the said embodiment, although what used the door hinge apparatus 1 of this invention for the side door of the motor vehicle was shown, of course, you may use for the back door of a motor vehicle, the door of a building, etc. .

  In the above embodiment, the caulking pin 5 as a stiffening member is installed on each protruding plate portion 21 of the support plate 2. However, a stiffening member is installed on each protruding plate portion 31 of the main body plate 3. Alternatively, stiffening members may be installed on the protruding plate portions 21 and 31 of both the support plate 2 and the main body plate 3. In short, if a stiffening member is installed on at least one of the projecting plate portions 21 and 31 of the plates 2 and 3, the rigidity and strength of the apparatus can be improved.

  Moreover, in the said embodiment, although what provided the pipe member 6 was shown, as long as rigidity and intensity | strength are ensured as an apparatus, it is good also as a structure which does not provide the pipe member 6 as shown in FIG. .

  Moreover, in the said embodiment, although what provided the crimp pin 5 as a stiffening member was shown, for example, as shown in FIG. 5, a stiffening member is used as the rod member 15 welded to each protrusion board part 21. As shown in FIG. Also good. Also in this case, the protruding plate portions 21 are connected to improve the section modulus in the vicinity of the protruding plate portions 21, and the bending rigidity and torsional rigidity of the entire apparatus are improved. In particular, since the protruding plate portions 21 are integrally fixed by the bar member 15, the rigidity of the entire apparatus is greatly improved.

  Moreover, in the said embodiment, although the connection part 24 was provided in the main body plate 2, and what forms a closed cross section with a door main body was shown, it is not necessary for each protrusion board part 21 to form a closed cross section. Of course. Further, the method of overlapping the protruding plate portion 21 of the main body plate 2 and the protruding plate portion 31 of the support plate 3 may be upside down, and other specific details such as the detailed structure can be changed as appropriate. Of course.

It is an appearance perspective view of a door hinge device showing one embodiment of the present invention. It is a side view of a door hinge apparatus. It is a top view of the door hinge apparatus of the state integrated in the vehicle. It is a side view of the door hinge apparatus which shows a modification. It is a side view of the door hinge apparatus which shows a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door hinge apparatus 2 Main body plate 3 Support plate 4 Hinge pin 5 Caulking pin 6 Pipe member 15 Bar member 21 Projection plate part 31 Projection plate part B Vehicle body D Door main body

Claims (5)

A door hinge device configured such that a main body plate fixed to the door main body and a support plate fixed to the door support body are rotatable with respect to each other about a hinge pin,
The body plate has a pair of projecting plate portions that are substantially parallel to each other and project from the door body,
The support plate has a pair of protruding plate portions that are superposed on each protruding plate portion of the main body plate,
The hinge pin is inserted through each protruding plate portion of the main body plate and each protruding plate portion of the support plate,
A door hinge device characterized in that a stiffening member is installed on each protruding plate portion of at least one of the main body plate and the support plate.   The door hinge device according to claim 1, wherein the stiffening member is a caulking pin that passes through each of the protruding plate portions.   The door hinge device according to claim 2, further comprising a tube member that includes the caulking pin and is interposed in each protruding plate portion through which the caulking pin is inserted.   The door hinge device according to claim 1, wherein the stiffening member is a bar member welded to each protruding plate portion. A body plate having a pair of substantially parallel projecting plate portions fixed to the door body and projecting from the door body, and a support having a pair of projecting plate portions fixed to the door support and extending along the projecting plate portions of the body plate. The plate is configured to be rotatable with respect to each other about a hinge pin including a caulking pin inserted through each protruding plate portion of the main body plate and each protruding plate portion of the support plate, and at least the main plate and the support plate In manufacturing a door hinge device provided with a stiffening pin composed of a caulking pin that passes through each protruding plate portion through one protruding plate portion,
A method of manufacturing a door hinge device, wherein the hinge pin and the stiffening pin are caulked simultaneously with a single caulking device.

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