JP6731364B2 - Hinge - Google Patents

Description

The present invention relates to a hinge that rotatably supports a first member and a second member.

2. Description of the Related Art Conventionally, there has been provided a collection/delivery box which is installed on a luggage carrier of a bicycle or a motorcycle and can store articles such as small parcels and documents and is used for collection and delivery of articles (Patent Documents 1 and 2). The collection/delivery box has a main body for accommodating articles and a lid that covers the main body, and the main body and the lid are connected by a hinge that rotatably supports them. As the hinge used for such a collection box, one provided with a damper mechanism that buffers the rotation speed so as to suppress the rapid opening/closing operation of the lid body has been used.

JP-A-7-251737 JP, 7-251774, A

However, the hinge provided with the damper mechanism is structurally complicated and expensive. The present invention is proposed in view of the above circumstances, and an object thereof is to provide an inexpensive hinge having a simple structure, which is applied to a collection box.

In order to solve the above problems, a hinge according to the present application rotatably supports a first member and a second member, and a hinge for a shaft and a first member extending in an axial direction of the shaft. 1 mounting portion and a substantially parallel first shaft supporting portion and a second shaft supporting portion that rotatably pass through the shaft, and the first shaft supporting portion and the second shaft supporting portion each have a shaft on an outer surface in the axial direction. A first hinge piece having a first pattern and a second pattern having a predetermined pattern surrounding the first hinge part, a second mounting part for a second member extending in the axial direction of the shaft, and a rotatably inserting shaft. The third shaft supporting portion and the fourth shaft supporting portion are parallel to each other, and the third shaft supporting portion and the fourth shaft supporting portion surround the shaft in the inner surface in the axial direction, respectively, and the third concave-convex portion and the third concave-convex portion having a predetermined pattern. Four concavo-convex portions are formed, the third shaft support portion and the fourth shaft support portion are respectively outside the first shaft support portion and the second shaft support portion in the axial direction, and the second hinge piece facing and contacting each other; Urging means for urging the first shaft supporting portion and the second shaft supporting portion toward the opposing third shaft supporting portion and fourth shaft supporting portion, respectively, the first concavo-convex portion, the second concavo-convex portion, and the third concavo-convex portion. The concavo-convex portion and the fourth concavo-convex portion are formed at positions corresponding to each other such that the opening and closing angles of the first hinge piece and the second hinge piece fit each other at a predetermined angle.

The first concavo-convex portion and the second concavo-convex portion are concave portions formed on the circumference of the first shaft support portion and the second shaft support portion surrounding the shaft at an angle of 45 degrees, respectively. Each of the portions may be a convex portion formed on the circumference of the third shaft support portion and the fourth shaft support portion at an angle of 90 degrees on the circumference surrounding the shaft.

The first hinge piece further includes a first flange portion and a second flange portion that are respectively raised in the axial direction of the shaft from both ends of the first mounting portion in the direction of the shaft, and the first shaft support portion and the second shaft support portion are Each of the first flange portion and the second flange portion is formed to extend toward the shaft beyond one end of the first mounting portion, and the second hinge piece is formed from both ends of the second mounting portion in the axial direction of the shaft. It further has a third flange portion and a fourth flange portion that stand up in the direction of the shaft, and the third shaft supporting portion and the fourth shaft supporting portion respectively have a third flange portion and a fourth flange portion on one side of the second mounting portion. It may be formed extending beyond the end towards the shaft.

In the first hinge piece, notches having a predetermined depth may be formed between the first attachment portion and the first flange portion and the second flange portion from one end to the other end, respectively.

The hinge according to the present invention is structurally simple and can be provided at low cost.

It is a perspective view which shows the schematic structure of the hinge of this Embodiment. It is an exploded perspective view showing the schematic structure of the hinge of this embodiment. It is the top view and front view of the hinge of this Embodiment. It is a front view which shows operation|movement of the hinge of this Embodiment. It is a figure explaining the relationship of the hinge of this Embodiment, and the opening/closing of a collection/delivery box. It is a figure explaining the relationship of the hinge of this Embodiment, and the opening/closing of a collection/delivery box. It is a partially expanded perspective view which shows the aspect of installation in the collection/delivery box of the hinge of this Embodiment. It is a schematic diagram which shows the aspect which uses the collection-and-delivery box to which the hinge of this Embodiment is applied.

Hereinafter, embodiments of a hinge according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a schematic configuration of the hinge of the present embodiment. FIG. 2 is an exploded perspective view showing a schematic configuration of the hinge of the present embodiment. FIG. 3 is a top view and a front view of the hinge of this embodiment. FIG. 3A is a top view and FIG. 3B is a front view.

The hinge 10 of the present embodiment has a first hinge piece 1 and a second hinge piece 2, and the first hinge piece 1 and the second hinge piece 2 are connected by a shaft 3. The first hinge piece 1 includes a flat, substantially rectangular first mounting portion 1a, and a first flange portion 1c and a second flange portion 1c rising from both ends of the first mounting portion 1a in the axial direction of the shaft 3 toward the shaft 3. A portion 1d and a first shaft support portion 1e that rotatably supports the shaft 3 by extending the first flange portion 1c and the second flange portion 1d beyond one end facing the shaft 3 in the first mounting portion 1a. And a second shaft support portion 1f.

A plurality of first through holes 1b are formed in the first mounting portion 1a, and the first member (not shown) can be screwed by the first through holes 1b. From both ends in the axial direction of the first attachment portion 1a, the first flange portion 1c and the second flange portion 1d are respectively directed toward the shaft 3 via the first connection portion 1l and the second connection portion 1n, and the first attachment portion 1a. Stands almost perpendicular to the main surface of. Between the first attachment portion 1a and the first flange portion 1c and the second flange portion 1d, the first cut portion 1k and the second cut portion 1m are formed from one end of the first attachment portion 1a toward the other end. Are formed respectively, and a throat-shaped first connection portion 1l and a second connection portion 1n are connected between the first attachment portion 1a and the first flange portion 1c and the second flange portion 1d. The first flange portion 1c and the second flange portion 1d are substantially parallel to each other toward the shaft 3 while increasing the heights of the first connecting portion 1l and the second connecting portion 1n with respect to the main surface of the first mounting portion 1a. The first shaft support portion 1e and the second shaft support portion 1f, which extend and respectively support the shaft 3 rotatably by the first shaft hole 1g and the second shaft hole 1i, are formed.

In the first hinge piece 1, the first shaft support portion 1e and the second shaft support portion 1f are provided with a throat-shaped first connecting portion 1l and a second connecting portion 1n via the first flange portion 1c and the second flange portion 1d. Is connected to the first mounting portion 1a. Therefore, the first shaft support portion 1e and the second shaft support portion 1f can be displaced within a predetermined range in the axial direction of the shaft 3 toward and away from each other, and the first hinge piece 1 is configured to recover the displacement. It is urged by the elastic force of the material. In the first shaft support portion 1e and the second shaft support portion 1f, the first shaft hole 1g and the second shaft hole 1i are surrounded on the outer surface in the axial direction to form a first uneven portion and a second uneven portion, respectively. A first recess 1h and a second recess 1j having a predetermined pattern are formed. In the first concave portion 1h and the second concave portion 1j, a plurality of concave portions are arranged at an angular interval of 45 degrees on the circumference of a predetermined radius surrounding the first shaft hole 1g and the second shaft hole 1i, and are rotated symmetrically eight times. Has become. The plurality of recesses have a substantially dome shape with a predetermined diameter and a predetermined depth.

The second hinge piece 2 includes a flat, substantially rectangular second mounting portion 2a, and a third flange portion 2c and a fourth flange 2c that are erected from both ends of the second mounting portion 2a in the axial direction of the shaft 3 toward the shaft 3. The portion 2d and the third shaft support portion 2e that rotatably supports the shaft 3 by extending the third flange portion 2c and the fourth flange portion 2d beyond one end facing the shaft 3 in the second mounting portion 2a. And a fourth shaft support portion 2f.

A plurality of second through holes 2b are formed in the second mounting portion 2a, and a second member (not shown) can be screwed by the second through holes 2b. A third flange portion 2c and a fourth flange portion 2d stand upright toward the shaft 3 from both ends in the axial direction of the second mounting portion 2a substantially perpendicularly to the main surface of the second mounting portion 2a. The third flange portion 2c and the fourth flange portion 2d extend toward the shaft 3 substantially parallel to each other while increasing the height of the second mounting portion 2a relative to the main surface, and the third shaft hole 2g and the fourth shaft hole 2g. A substantially disk-shaped third shaft support portion 2e and a fourth shaft support portion 2f that rotatably support the shaft 3 are formed by 2i.

In the second hinge piece 2, the third shaft support portion 2e and the fourth shaft support portion 2f have one side end facing the shaft 3 in the second attachment portion 2a via the third flange portion 2c and the fourth flange portion 2d. To the other end, the displacement of the shaft 3 in the axial direction is suppressed. In the third shaft support portion 2e and the fourth shaft support portion 2f, predetermined third and fourth concave and convex portions are formed by surrounding the third and second axial holes 2g and 2i on the inner surface in the axial direction. The 1st convex part 2h and the 2nd convex part 2j of a pattern are each formed. In the first convex portion 2h and the second convex portion 2j, a plurality of convex portions are arranged at an angular interval of 90 degrees on the circumference of a predetermined radius surrounding the third shaft hole 2g and the fourth shaft hole 2i, and four times. It has rotational symmetry. The plurality of protrusions have a shape corresponding to the plurality of recesses forming the first recess 1h and the second recess 1j, and have a substantially dome shape with a predetermined diameter and a predetermined height. The inner surfaces of the third shaft support portion 2e and the fourth shaft support portion 2f, on which the first protrusions 2h and the second protrusions 2j are respectively formed in the second hinge piece 2, are the first recessed portions in the first hinge piece 1. 1h and the second concave portion 1j are formed so as to face and contact the outer surfaces of the first shaft support portion 1e and the second shaft support portion 1f, respectively.

The shaft 3 has a predetermined diameter and a predetermined length, a first groove portion 3a having a predetermined width and a predetermined depth is formed near one end, and a first groove portion 3a having a predetermined width and a predetermined depth is also formed near the other end. Two groove portions 3b are formed. The shaft 3 is inserted with the coil spring 4 constituting the biasing means, and the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 are rotatably inserted on both sides of the coil spring 4, respectively. The third shaft support portion 2e and the fourth shaft support portion 2f of the second hinge piece 2 are rotatably inserted outside the first hinge piece 1. At one end of the shaft 3, an E-shaped retaining ring 6 is fitted in the first groove 3a, and a washer 5 is inserted between the E-shaped retaining ring 6 and the third shaft support portion 2e of the second hinge piece. .. At the other end of the shaft 3, an E-shaped retaining ring 8 is fitted in the second groove 3b, and a washer 7 is inserted between the E-shaped retaining ring 8 and the fourth shaft support portion 2f of the second hinge piece. Has been done.

The coil spring 4 is inserted into the shaft 3 between the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 and is different from the first shaft support portion 1e and the second shaft support portion 1f. The shaft 3 is urged outward in the axial direction. As described above, the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 are displaced within a predetermined range in the contact and separation directions with respect to the axial direction of the shaft 3 and are biased by elastic force. You can The first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 respectively act with the coil spring 4 on the third shaft support portion 2e and the fourth shaft support portion 2f of the second hinge piece 2 by elastic force. Is being urged.

The first hinge piece 1 and the second hinge piece 2 of the present embodiment are made of stainless steel sheet metal having a predetermined thickness. The shaft 3, the coil spring 4, the washers 5 and 7, and the E-shaped retaining rings 6 and 8 of the present embodiment are also made of stainless steel.

FIG. 4 is a front view showing the operation of the hinge of the present embodiment. In the hinge 10 of the present embodiment, the first hinge piece 1 and the second hinge piece 2 are rotatably supported by the shaft 3, and can rotate about the shaft 3 respectively. Here, the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 are respectively opposed to the third shaft support portion 2e and the fourth shaft support portion 2e of the second hinge piece 2 by the coil spring 4 and the elastic force. It is biased against the shaft support portion 2f. Therefore, when the first hinge piece 1 and the second hinge piece 2 rotate around the shaft 3 so that the hinge 10 opens and closes, the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 are The surfaces of the second hinge piece that oppose the third shaft support portion 2e and the fourth shaft support portion 2f are slid. Here, in order to make smooth sliding smooth, grease is applied to each of the opposing surfaces.

In the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1, the surfaces of the second hinge piece 2 facing the third shaft support portion 2e and the fourth shaft support portion 2f respectively have the shaft 3 The first recessed portion 1h and the second recessed portion 1j are formed on the circumference surrounding the first shaft hole 1g and the second shaft hole 1i, which are inserted through, at rotational intervals of eighty-five rotations at an angle of 45 degrees. Further, in the third shaft support portion 2e and the fourth shaft support portion 2f of the second hinge piece 2, the surfaces facing the first shaft support portion 1e and the second shaft support portion 1f of the first hinge piece 1 are respectively A first convex portion 2h and a second convex portion 2j are formed four times rotationally symmetrically at intervals of an angle of 90 degrees on the circumference surrounding the third shaft hole 2g and the fourth shaft hole 2i through which the shaft 3 is inserted.

The first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 correspond to the first shaft support portion 1e and the first hinge portion 1e of the first hinge piece 1, respectively. The two shaft support portions 1f and the third shaft support portion 2e and the fourth shaft support portion 2f of the second hinge piece 2 are formed on the circumferences corresponding to each other. Therefore, when the first hinge piece 1 and the second hinge piece 2 rotate around the shaft 3 so that the hinge 10 opens and closes, the angle formed by the first hinge piece 1 and the second hinge piece 2 is every 45 degrees. There is an angle at which the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are fitted to each other. When the hinge 10 is opened and closed, a torque is drawn near the fitting angle toward the angle, and at the fitting angle, the opening and closing of the hinge 10 can be stopped and fixed, so to speak, a click operation is possible. In other words, the click action can be provided by a combination of stopping the rotation of the hinge 10 at a predetermined angle to allow the hinge 10 to be fixed, and a torque generated to pull the hinge 10 toward the predetermined angle near the predetermined angle. As for the fitting angle, since the opening and closing angle of the hinge 10 exists every 45 degrees, the opening and closing angle of the hinge 10 also exists every 45 degrees in the click operation.

As shown in FIG. 4A, when the opening/closing angle of the hinge 10 is 90 degrees, the click operation occurs. Here, the opening and closing angle of the hinge 10 means, for convenience, an angle formed by the main surface of the first mounting portion 1a of the first hinge piece 1 and the main surface of the second mounting portion 2a of the second hinge piece 2. .. In the present embodiment, when the opening and closing angle of the hinge 10 is 90 degrees, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h of the second hinge piece 2 are formed so that the click operation occurs. The second convex portion 2j and the second convex portion 2j are formed at appropriate positions with respect to the shaft 3 serving as the rotation axis. That is, when the opening/closing angle of the hinge 10 is 90 degrees, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are fitted to each other. Has been done.

FIG. 4B shows the hinge 10 in which the opening/closing angle is further increased by 45 degrees from FIG. 4A. The opening/closing angle of the hinge 10 is 135 degrees. In the hinge 10, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 have the opening and closing angles shown in FIG. With respect to the hinge 10 of 90 degrees, they are rotated by 45 degrees with respect to each other. Since the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 are formed at intervals of 45 degrees and have eight-fold rotational symmetry, the first concave portion 1h and the second concave portion 1j are also formed in the first hinge piece 1 in the same manner as in FIG. The first concave portion 1h and the second concave portion 1j of the hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are fitted to each other to enable a click operation.

FIG. 4C shows the hinge 10 in which the opening/closing angle is further increased by 90 degrees from FIG. 4A. The opening/closing angle of the hinge 10 is 180 degrees. In the hinge 10, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 have the opening and closing angles shown in FIG. The hinges 10 are rotated by 90 degrees with respect to the hinge 10 of 90 degrees. Since the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 are formed at intervals of 45 degrees and have eight-fold rotational symmetry, the first concave portion 1h and the second concave portion 1j are also formed in the first hinge piece 1 in the same manner as in FIG. The first concave portion 1h and the second concave portion 1j of the hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are fitted to each other to enable a click operation.

FIG. 4D shows the hinge 10 in which the opening/closing angle is further increased by 135 degrees from FIG. 4A. The opening/closing angle of the hinge 10 is 225 degrees. In the hinge 10, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 have the opening and closing angles shown in FIG. With respect to the hinge 10 of 90 degrees, they are rotated by 135 degrees with respect to each other. Since the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 are formed at intervals of 45 degrees and have eight-fold rotational symmetry, the first concave portion 1h and the second concave portion 1j are also formed in the first hinge piece 1 in the same manner as in FIG. The first concave portion 1h and the second concave portion 1j of the hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are fitted to each other to enable a click operation.

In the hinge of the present embodiment, the click operation causes the outer surfaces of the first shaft support portion 1e and the second shaft support portion 1f, which have the first recess 1h and the second recess 1j, respectively, in the axial direction of the shaft 3. This is possible by urging and sliding the inner surfaces of the third shaft support 2e and the fourth shaft support 2f having the first protrusion 2h and the second protrusion 2j. In the present embodiment, such biasing force is generated by the elasticity of the material forming the first hinge piece 1 and the coil spring 4. Since the coil spring 4 can provide a large biasing force, it can be pulled in with a high torque toward a predetermined angle during the click action, and the angle can be maintained. Further, the hinge of the present embodiment has few components and has a simple structure, so that it has durability and a long life, and can be provided at low cost.

5 and 6 are views for explaining the relationship between the hinge and the opening/closing of the collection/delivery box according to the present embodiment. The hinge 10 of the present embodiment can be applied to rotatably connect the main body 101 and the lid 102 of the collection/delivery box 100 that stores articles to be collected and delivered. The collection/delivery box 100 constitutes a substantially rectangular parallelepiped-shaped container whose top surface forms an opening so that articles such as parcels and documents to be collected and delivered can be stored inside. The lid 102 corresponds to the top surface of a rectangular parallelepiped corresponding to the main body 101 of the collection/delivery box 100, and has a flange portion of a predetermined width formed on the periphery thereof. In the collection and delivery box 100, hinges 10 and 20 are provided along one side of the opening of the main body 101 in the longitudinal direction to connect the main body 101 and the lid body 102. The main body 101 and the lid 102 of the collection/delivery box 100 may be made of, for example, FRP using polypropylene, vinyl chloride or the like as a base material, or may be made by plating or painting carbon steel.

FIG. 7 is a partially enlarged perspective view showing a mode of installation of the hinge in the collection and delivery box of the present embodiment. In the main body 101 of the collection/delivery box 100, the hinge 10 has a side surface 101a where the main surface of the first attachment portion 1a of the first hinge piece 1 forms one side of the main body 101 near one end of one side in the longitudinal direction of the opening of the main body 101. It is screwed to the side surface 101a so as to be substantially parallel to. In the lid 102 of the collection/delivery box 100, the hinge 10 is screwed to the flange portion 102b so that the main surface of the second mounting portion 2a of the second hinge piece 2 is substantially parallel to the top surface 102a of the lid 102. It has been stopped. Similarly, the hinge 20 is installed near the other end of one side in the longitudinal direction of the opening of the main body.

As shown in FIG. 5A, the opening/closing angle of the lid 102 with respect to the main body 101 in the collection/delivery box 100 is 0°, and the opening/closing angle of the hinge 10 is 90° in a completely closed state. ) Is supported. Here, for convenience, the angle formed by the opening surface of the main body 101 and the main surface of the lid body 102 is defined as the opening/closing angle of the lid body 102 with respect to the main body 101. In this state, as described with reference to FIG. 4A, the first concave portion 1h and the second concave portion 1j of the first hinge piece 1 and the first convex portion 2h and the second convex portion 2j of the second hinge piece 2 are separated from each other. They are designed to fit together. The state in which the opening/closing angle of the lid 102 is 0 degree corresponds to a click state in which the opening/closing angle of the hinge 10 is 90 degrees, and the lid 102 is pulled toward the opening/closing angle 0 degree immediately before the opening/closing angle becomes 0 degree. When the torque acts and the opening/closing angle of the lid 102 becomes 0°, it is possible to stop the rotation and fix the lid 102.

As shown in FIG. 5(b), in the collection/delivery box 100, the opening/closing angle of the hinge 10 is 135 degrees when the opening/closing angle of the lid 102 with respect to the main body 101 is in the middle of 45 degrees. It corresponds to. As described with reference to FIG. 4B, this state corresponds to the click state in which the opening/closing angle is increased from 135° to 135° over 45°. Therefore, a torque that pulls toward the opening/closing angle of 45 degrees acts on the lid 102 immediately near the opening/closing angle of 45 degrees, and when the opening/closing angle of the lid 102 reaches 45 degrees, rotation can be stopped and fixed. ing.

As shown in FIG. 6A, the opening/closing angle of the hinge 10 is 180° when the opening/closing angle of the lid 102 is 90° with respect to the main body 101 in the collection/delivery box 100, which corresponds to 4(c). doing. As described with reference to FIG. 4C, this state corresponds to the click state in which the opening/closing angle increases from 180° to 180° over 90°. Therefore, a torque that pulls toward the opening/closing angle of 90 degrees acts on the lid 102 immediately near the opening/closing angle of 90 degrees, and when the opening/closing angle of the lid 102 reaches 90 degrees, rotation can be stopped and fixed. ing.

As shown in FIG. 6B, the opening/closing angle of the hinge 10 is 225° when the opening/closing angle of the lid 102 is 135° with respect to the main body 101 in the collection/delivery box 100. It corresponds. As described with reference to FIG. 4D, this state corresponds to the click state in which the opening/closing angle has increased from 225° to 225° over 135°. Therefore, a torque that pulls toward the opening/closing angle of 135 degrees acts on the lid 102 immediately near the opening/closing angle of 135 degrees, and when the opening/closing angle of the lid 102 reaches 135 degrees, rotation can be stopped and fixed. ing.

FIG. 8: is a schematic diagram which shows the aspect which uses the collection-and-delivery box to which the hinge of this Embodiment is applied. As shown in FIG. 8A, the collection/delivery box 100 may be attached to the bed of the bicycle 201. Further, as shown in FIG. 8B, the collection/delivery box 100 may be attached to the luggage carrier of the motorcycle 202.

In the collection/delivery box 100 to which the hinge 10 according to the present embodiment is applied, the coil spring 4 of the hinge 10 provides a high torque click operation. Therefore, in the click operation, it is possible to secure the torque that pulls in a predetermined angle and maintain the angle. Therefore, it is possible to reduce the burden on the user who performs the operation of holding the lid body 102 at a predetermined opening/closing angle.

Further, the collection/delivery box 100 to which the hinge 10 of the present embodiment is applied can be opened/closed by a click action every 45° opening/closing angle. Therefore, the opening/closing angle of the lid body 102 of the collection/delivery box 100 can be kept at 45 degrees, 90 degrees, 135 degrees, etc., which is convenient for the user who stores or takes out the articles to be collected/delivered in the main body 101 of the collection/delivery box 100. Can be provided. Further, since the lid body 102 can be opened and closed by a click action when the opening and closing angle is 45 degrees, it is possible to prevent the user's finger from being caught between the lid body 102 and the main body 101 when closing the lid body 102.

In the collection/delivery box 100 to which the hinge 10 according to the present embodiment is applied, the opening/closing angle of the lid body 102 is kept at 45 degrees so that articles can be taken in and out of the main body 101 even when rain is encountered in the collection/delivery work outdoors. At the same time, the water can be prevented from entering the main body 101. The hinge of the present embodiment has high corrosion resistance because all the constituent parts are made of stainless steel, and also provides high durability to the collection/delivery box 100 used outdoors.

1 1st hinge piece 1a 1st attachment part 1c 1st flange part 1d 2nd flange part 1e 1st shaft support part 1f 2nd shaft support part 1g 1st shaft hole 1h 1st recessed part 1i 2nd shaft hole 1j 2nd recessed part 2 2nd hinge piece 2a 2nd attachment part 2c 3rd flange part 2d 4th flange part 2e 3rd shaft support part 2f 4th shaft support part 2g 3rd shaft hole 2h 1st convex part 2i 4th shaft hole 2j 2nd Convex part 3 Shaft 4 Coil spring 5,7 Washer 6,8 Retaining ring

Claims (3)

A hinge for rotatably supporting the first member and the second member,
Shaft,
A first mounting portion for the first member extending in the axial direction of the shaft, and substantially parallel first shaft support portions and second shafts that rotatably insert the shaft into the first through hole and the second through hole, respectively. includes a support portion, the first irregularity of a predetermined pattern surrounding respective front Symbol first through hole and the second through-hole in the first shaft support portion and the second shaft, respectively in the support portion the axial direction on the outer surface And a first hinge piece having a second uneven portion,
A second mounting portion for the second member extending in the axial direction of the shaft, and a substantially parallel third shaft support portion and a fourth shaft that rotatably insert the shaft into the third through hole and the fourth through hole, respectively. includes a support portion, a third irregularity of a predetermined pattern surrounding each said third shaft support portion and the front SL on the inner surface to the fourth shaft respectively in the support portion the axial third through-hole and the fourth through hole And a fourth uneven portion are formed, and the third shaft support portion and the fourth shaft support portion are outside the first shaft support portion and the second shaft support portion and face each other in the axial direction. A second hinge piece that contacts
Urging means for urging the first shaft support portion and the second shaft support portion toward the opposed third shaft support portion and fourth shaft support portion, respectively.
The first concavo-convex portion and the second concavo-convex portion, the third concavo-convex portion and the fourth concavo-convex portion are located at positions corresponding to each other so that the opening and closing angles of the first hinge piece and the second hinge piece fit each other at a predetermined angle. And the first hinge piece and the second hinge piece are each formed of one sheet metal,
The first shaft support portion and the second shaft support portion extend in the axial direction from both ends of the first mounting portion toward the shaft, and the third shaft support portion and the fourth shaft support portion are Axially extending from both ends of the second mounting portion toward the shaft ,
The first hinge piece further includes a first flange portion and a second flange portion that rise in the axial direction of the shaft from both ends of the first mounting portion, respectively, in the direction of the shaft. The second shaft support portion is formed by extending the first flange portion and the second flange portion toward the shaft beyond one end of the first attachment portion, respectively.
The second hinge piece further includes a third flange portion and a fourth flange portion that rise in the axial direction of the shaft from both ends of the second mounting portion in the shaft direction, respectively. The fourth shaft support portion is formed by extending the third flange portion and the fourth flange portion toward the shaft beyond one end of the second attachment portion, respectively.
In the first hinge piece, a cut portion having a predetermined depth is formed between the first mounting portion and the first flange portion and the second flange portion from the one end to the other end, respectively . Hinge. The first concavo-convex portion and the second concavo-convex portion are formed on the circumferences of the first shaft support portion and the second shaft support portion surrounding the first through hole and the second through hole, respectively, at an angle of 45 degrees. The third concavo-convex portion and the fourth concavo-convex portion are formed circles surrounding the third through hole and the fourth through hole in the third shaft support portion and the fourth shaft support portion, respectively. The hinge according to claim 1, wherein the hinge is a convex portion formed at every 90 degrees. A delivery box in which the main body and the lid are rotatably supported by the hinge according to claim 2, and the opening/closing angle of the lid with respect to the main body can be kept at 45 degrees, 90 degrees, or 135 degrees.

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