Structure
A hinge mechanism with pin insertion portions on square pipes stabilizes foldable connections, ensuring the members remain unfolded and resistant to loads.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- TOYOTA JIDOSHA KK
- Filing Date
- 2024-11-14
- Publication Date
- 2026-05-26
AI Technical Summary
Existing structures fail to maintain a stable deployed state for foldable connections between members, such as doors and containers, leading to instability and potential detachment.
A hinge mechanism using pin insertion portions on square pipes for first and second members, allowing them to be fixed in an unfolded state and enabling foldable connections through removable pin members.
The structure maintains the first and second members in an unfolded state using a hinge mechanism, providing stability and load resistance in the Y-axis direction.
Smart Images
Figure 2026086034000001_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a structure, for example, a structure in which a first member and a second member are foldably connected.
Background Art
[0002] For example, in Patent Document 1, a door member suspended from a guide member provided along the upper side of the opening of a container body and connected via a hinge member formed of a rubber hinge is deployed along the guide member, thereby closing the opening of the container body. When the door member is folded, the opening of the container body is opened, and a box-shaped container is disclosed.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004]
[0005] The present disclosure realizes a structure in which a first member and a second member can be maintained in a deployed state by using a hinge mechanism.
Means for Solving the Problems
[0006] A structure according to an aspect of the present disclosure is a structure in which a first member and a second member are foldably connected, a first pin insertion portion disposed at an end in the longitudinal direction of the first member with a gap in the width direction of the first member; A second pin insertion portion is provided at the longitudinal end of the second member, spaced apart in the width direction of the second member, and coaxially positioned with the first pin insertion portion; A pin member that can be inserted into and removed from the first pin insertion portion and the second pin insertion portion, Equipped with, The pin members are inserted into multiple sets of pin insertion part sets, each consisting of a first pin insertion part and a second pin insertion part arranged coaxially, and the first member and the second member are fixed in an unfolded state. From the state in which the first member and the second member are unfolded, the pin members are removed except for one set of the pin insertion assembly, so that the first member and the second member are in a foldable state.
[0007] In the above-described structure, the first member and the second member are square pipes, The first pin insertion portion is integrally formed with the first member, Preferably, the second pin insertion portion is integrally formed with the second member.
[0008] The above-described structure preferably includes a retaining portion for the pin member.
[0009] In the above-described structure, it is preferable that the structure is a vehicle structure. [Effects of the Invention]
[0010] According to this disclosure, a structure can be realized in which the first member and the second member can be maintained in an unfolded state using a hinge mechanism. [Brief explanation of the drawing]
[0011] [Figure 1] This is a view of the skeletal member using the structure of the embodiment, seen from the Z-axis+ side. [Figure 2] This figure shows the first structure of the embodiment in an unfolded state. [Figure 3]This is a view of the first member of the first structure of the embodiment, seen from the Z-axis+ side. [Figure 4] This is a view of the first member of the first structure of the embodiment, seen from the Y-axis + side. [Figure 5] This diagram shows the process of folding the first structure of the embodiment. [Modes for carrying out the invention]
[0012] The following describes specific embodiments applying this disclosure with reference to the drawings. However, this disclosure is not limited to the following embodiments. Also, for clarity, the following description and drawings have been simplified as appropriate.
[0013] First, the configuration of the skeletal member using the structure of this embodiment (the first structure described later) will be explained. For clarity, the following explanation will use a three-dimensional (XYZ) coordinate system. Figure 1 shows the skeletal member using the structure of this embodiment as viewed from the Z-axis+ side.
[0014] Here, for example, the X-axis+ side is the front side of the skeletal member, the X-axis- side is the rear side of the skeletal member, the Y-axis+ side is the left side of the skeletal member, the Y-axis- side is the right side of the skeletal member, the Z-axis+ side is the top side of the skeletal member, and the Z-axis- side is the bottom side of the skeletal member.
[0015] The skeletal member 1 can, for example, constitute a ladder frame, which is a typical example of a vehicle structure. The skeletal member 1 comprises, for example, a first structure 2 and a second structure 3, as shown in Figure 1. The first structure 2 forms the longitudinal members of the skeletal member 1 and is arranged substantially parallel to each other with a gap in the Y-axis direction.
[0016] Figure 2 shows the first structure of this embodiment in an unfolded state. The first structure 2 comprises, for example, a first member 4, a second member 5, a third member 6, and a pin member 7, as shown in Figures 1 and 2. In Figure 1 and other figures, the pin member 7 is hatched to clearly show it.
[0017] FIG. 3 is a view of the first member of the first structure of the present embodiment as viewed from the +Z axis side. FIG. 4 is a view of the first member of the first structure of the present embodiment as viewed from the +Y axis side. The first member 4 is formed of a square pipe and includes a main body portion 4a and a pin insertion portion 4b as shown in FIGS. 2 to 4.
[0018] As shown in FIGS. 2 to 4, the main body portion 4a extends in the X-axis direction and has a substantially rectangular tubular shape when viewed from the X-axis direction. The pin insertion portion 4b has a substantially circular tubular shape when viewed from the Z-axis direction and has a height in the Z-axis direction as shown in FIG. 1.
[0019] As shown in FIGS. 2 to 4, the pin insertion portion 4b protrudes from the main body portion 4a in the X-axis direction. That is, the first member 4 includes a pin insertion portion 4b on the +X axis side and a pin insertion portion 4b on the -X axis side.
[0020] The pin insertion portion 4b on the +X axis side is disposed, for example, near the corner on the +Y axis side and near the corner on the -Y axis side on the +X axis side of the main body portion 4a as shown in FIG. 3. And the pin insertion portions 4b on the +X axis side are arranged at intervals in the Z-axis direction as shown in FIG. 4, for example.
[0021] The pin insertion portion 4b on the -X axis side is disposed, for example, near the corner on the +Y axis side and near the corner on the -Y axis side on the -X axis side of the main body portion 4a as shown in FIG. 3. And the pin insertion portion 4b on the -X axis side is arranged substantially at the center in the Z-axis direction of the main body portion 4a as shown in FIG. 4, for example.
[0022] At this time, when viewed from the X-axis direction, the pin insertion portion 4b on the -X axis side is disposed between the pin insertion portion 4b on the +X axis side and on the +Z axis side and the pin insertion portion 4b on the +X axis side and on the -Z axis side, and it is preferable that the height of the pin insertion portion 4b on the -X axis side in the Z-axis direction is substantially equal to the interval of the pin insertion portions 4b on the +X axis side in the Z-axis direction.
[0023] The pin insertion portion 4b can be formed integrally with the main body portion 4a by cutting out the Y-axis + end and the Y-axis - end of the main body portion 4a to form a projection substantially parallel to the XZ plane, and then rounding off the projection.
[0024] As shown in Figure 2, the second member 5 is positioned on the X-axis+ side relative to the first member 4 and includes a main body portion 5a and a pin insertion portion 5b. The second member 5 has substantially the same configuration as the first member 4, except that, for example, the pin insertion portion 4b on the X-axis+ side of the first member 4 is omitted.
[0025] As shown in Figure 2, with the first structure 2 unfolded, the pin insertion portion 5b of the second member 5 is inserted between the pin insertion portions 4b on the X-axis+ side of the first member 4, and the pin insertion portions 4b of the first member 4 and the pin insertion portions 5b of the second member 5 are arranged substantially coaxially.
[0026] In this case, as shown in Figure 1, the pin insertion portion 4b of the first member 4 and the pin insertion portion 5b of the second member 5, which are arranged substantially coaxially, constitute a first pin insertion portion set 8, and the two sets of first pin insertion portion sets 8 are aligned in the Y-axis direction.
[0027] As shown in Figure 2, the third member 6 is positioned on the X-axis side relative to the first member 4 and includes a main body portion 6a and a pin insertion portion 6b. The third member 6 has substantially the same configuration as the first member 4, but for example, the pin insertion portion 4b on the X-axis side of the first member 4 is omitted.
[0028] As shown in Figure 2, with the first structure 2 unfolded, the X-axis-side pin insertion portion 4b of the first member 4 is inserted between the pin insertion portions 6b of the third member 6, and the pin insertion portion 4b of the first member 4 and the pin insertion portion 6b of the third member 6 are arranged substantially coaxially.
[0029] In this case, as shown in Figure 1, the pin insertion portion 4b of the first member 4 and the pin insertion portion 6b of the third member 6, which are arranged substantially coaxially, constitute a second pin insertion portion set 9, and the two sets of second pin insertion portion sets 9 are aligned in the Y-axis direction.
[0030] As shown in Figures 1 and 2, the pin members 7 are inserted into two sets of first pin insertion parts 8 and two sets of second pin insertion parts 9, respectively. As a result, a hinge mechanism 10 is formed between the first member 4 and the second member 5 with a gap in the Y-axis direction, and a hinge mechanism 10 is formed between the first member 4 and the third member 6 with a gap in the Y-axis direction.
[0031] As shown in Figure 1, the first member 4, the second member 5, and the third member 6 are fixed in place, arranged on a substantially straight line extending in the X-axis direction. In this way, the first structure 2 of this embodiment can be fixed in an unfolded state by forming hinge mechanisms 10 between the first member 4 and the second member 5, and between the first member 4 and the third member 6, with gaps in the Y-axis direction.
[0032] Therefore, the first structure 2 of this embodiment can be maintained in an unfolded state using the hinge mechanism 10. Furthermore, since the hinge mechanism 10 is arranged with a gap in the Y-axis direction, the connection between the first member 4 and the second member 5, and the connection between the first member 4 and the third member 6, can withstand loads from the Y-axis direction.
[0033] Here, for example, as a typical example of a retaining part, it is preferable that a retaining pin be passed through the pin insertion part and the pin member 7 in a direction perpendicular to the Z-axis direction so that the pin member 7 does not come out of the pin insertion part. However, the retaining part only needs to be configured so that the pin member 7 does not come out of the pin insertion part.
[0034] The second structure 3, as shown in Figure 1, is a horizontal member connecting the first structure 2 on the Y-axis+ side and the first structure 2 on the Y-axis- side. The second structure 3 can be fixed to the first structure 2 by welding, mechanical fastening, or other means. However, the means of fixing the second structure 3 to the first structure 2 are not limited.
[0035] Next, the process of folding the first structure of this embodiment will be described. Figure 5 shows the process of folding the first structure of this embodiment. First, as shown in Figure 5(a), the first structure 2 is removed from the skeletal member 1. Then, as shown in Figure 5(b), the pin members 7, which are positioned diagonally opposite the first member 4, are pulled out from the first pin insertion assembly 8 and the second pin insertion assembly 9.
[0036] Next, as shown in Figure 5(c), for example, the third member 6 is folded relative to the first member 4 around the pin member 7 remaining between the first member 4 and the third member 6. Then, as shown in Figure 5(d), for example, the second member 5 is folded relative to the first member 4 around the pin member 7 remaining between the first member 4 and the second member 5.
[0037] Finally, as shown in Figure 5(e), the folding of the first structure 2 is completed when the first member 4, the second member 5, and the third member 6 are stacked in the Y-axis direction. To unfold the first structure 2, simply reverse the folding process described above.
[0038] Thus, in this embodiment, the first structure 2 can be fixed in an unfolded state by forming hinge mechanisms 10 between the first member 4 and the second member 5, and between the first member 4 and the third member 6, with a gap in the Y-axis direction.
[0039] Therefore, the first structure 2 of this embodiment can be maintained in an unfolded state using the hinge mechanism 10. Furthermore, since the hinge mechanism 10 is arranged with a gap in the Y-axis direction, the connection between the first member 4 and the second member 5, and the connection between the first member 4 and the third member 6, can withstand loads from the Y-axis direction.
[0040] In this embodiment, the skeletal member 1 is formed using the first structure 2, but the use of the first structure 2 is not limited. Also, the number of members constituting the first structure 2 is not limited; it is sufficient to have at least the first member and the second member. Furthermore, the shape of each member constituting the first structure 2 is not limited to a square pipe; for example, it may be in the shape of a plate.
[0041] In this embodiment, the pin insertion portion is integrally formed with each member, but it may also be fixed to each member as a separate component by welding, mechanical fastening, or the like.
[0042] In this embodiment, two hinge mechanisms 10 are arranged in the Y-axis direction, but three or more hinge mechanisms 10 may be arranged in the Y-axis direction.
[0043] This disclosure is not limited to the embodiments described above, and may be modified as appropriate without departing from the spirit of the invention. [Explanation of Symbols]
[0044] 1. Structural members 2. First structure 3. Second structure 4 First component, 4a Main body, 4b Pin insertion part 5. Second component, 5a. Main body, 5b. Pin insertion part. 6 Third component, 6a Main body, 6b Pin insertion part 7 Pin component 8. First pin insertion assembly 9. Second pin insertion section assembly 10. Hinge mechanism
Claims
1. A structure in which a first member and a second member are connected in a foldable manner, A first pin insertion portion is provided at the longitudinal end of the first member, spaced apart in the width direction of the first member, A second pin insertion portion is provided at the longitudinal end of the second member, spaced apart in the width direction of the second member, and capable of being positioned coaxially with the first pin insertion portion. A pin member that can be inserted into and removed from the first pin insertion portion and the second pin insertion portion, Equipped with, The pin members are inserted into multiple sets of pin insertion part sets, each consisting of a first pin insertion part and a second pin insertion part arranged coaxially, and the first member and the second member are fixed in an unfolded state. A structure in which the first member and the second member are unfolded, and the pin members are removed except for one set of the pin insertion assembly, so that the first member and the second member are in a foldable state.
2. The first member and the second member are square pipes, The first pin insertion portion is integrally formed with the first member. The structure according to claim 1, wherein the second pin insertion portion is integrally formed with the second member.
3. The structure according to claim 1 or 2, further comprising a retaining portion for the pin member.
4. The structure according to claim 1 or 2, wherein the structure is a vehicle structure.