JP2008038953A - Rolling stock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rolling stock which maintains an opening and closing lid in an opened state, by simple work, while reducing the number of part items. <P>SOLUTION: An opening part 12 formed in a body 11 is opened or closed by swinging of the opening and closing lid 13, when the opening and closing lid 13 is slid with respect to the body 11 along a direction of separating a cut-out part 21b2 from an engaging part 22b2, in the railway rolling stock 10. On the other hand, the opening and closing lid 13 is maintained at a prescribed angle under the condition where the opening part 12 is opened, by engaging the cut-out part 21b2 (end face E) with the engaging part 22b2, when the opening and closing lid 13 is slid with respect to the body 11 along a direction of approaching the cut-out part 21b2 to the engaging part 22b2. The opening and closing lid 13 is thereby maintained easily in the opened state, by the simple work of sliding the opening and closing lid 13 along the body 11, after the opening and closing lid 13 is opened swungly. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle, and more particularly, to a vehicle capable of maintaining an open / close lid in an open state with a simple operation while reducing the number of components.

  In general, a vehicle body of a railway vehicle is provided with an opening that can be opened and closed by an opening / closing lid in order to perform maintenance or the like of equipment disposed inside the vehicle body. The opening / closing lid for opening / closing the opening is supported by a hinge device to lift the opening / closing lid and open the opening in order to avoid inadvertent opening while the railway vehicle is running. ing.

  However, when performing maintenance or the like, it is extremely difficult to perform work while lifting the opening / closing lid, and thus a mechanism for maintaining the opening / closing lid in a predetermined open state is necessary.

  Here, as a mechanism for maintaining the opening / closing lid in a predetermined open state, for example, a hinge device 50 disclosed in JP-A-2003-269438 is known. According to this hinge device 50, the movable hinge shaft 60 is pressed against the hinge plate 50 by the elastic force of the elastic body 65, thereby engaging the engagement concave portion 71 of the hinge plate 51 and the engagement convex portion 72 of the movable hinge shaft 60. The opening / closing lid 40 is maintained in a predetermined open state.

However, the hinge device 50 is not suitable for an opening / closing lid that is relatively heavy because the opening / closing lid 40 is maintained in a predetermined open state only by the elastic force of the elastic body 65. Therefore, conventionally, in a railway vehicle, a mechanism that lifts and supports the opening / closing lid from below by a support member provided in the opening has been used.
JP 2003-269438 A

  However, as described above, when the opening / closing lid is supported by the support member, it is necessary to operate the support member with the other hand while lifting the opening / closing lid with one hand, and the workability is extremely poor. was there. In addition, there is a problem in that the number of parts increases because a supporting member and parts associated with the supporting member, for example, parts for fixing the supporting member when not in use are required.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle capable of maintaining the open / close lid in an open state with a simple operation while reducing the number of parts. Yes.

  In order to solve this object, the vehicle according to claim 1 includes a vehicle body, an opening formed in the vehicle body, an opening / closing lid for opening / closing the opening, and swinging the opening / closing lid. A hinge device that swingably supports the opening / closing lid on the vehicle body so as to open and close the hinge. The hinge device is attached to the first hinge member attached to the vehicle body and the opening / closing lid. A second hinge member, a shaft member that pivotally supports the second hinge member so as to swing and slide on the first hinge member, and the first hinge member or the second hinge member for holding the shaft member. A shaft holding portion that is provided on either side and has a winding portion that is formed so as to wind the shaft member, a cutout portion that is formed by cutting out a part of the winding portion, and the shaft holding portion Of the first hinge member or the second hinge member An engaging portion that is provided on the other side and maintains the swing angle of the second hinge member with respect to the first hinge member at a predetermined swing angle by engaging with the notch portion, When the second hinge member is slid relative to the first hinge member in a direction in which the engagement portion is separated from the engagement portion, the opening can be opened and closed by the opening / closing lid, while the notch and the When the second hinge member is slid with respect to the first hinge member in a direction in which the engaging portion comes close, the opening of the opening / closing lid is engaged by the engagement of the notch portion and the engaging portion. The opening angle with respect to the part can be maintained at a predetermined opening angle.

  The vehicle according to claim 2 is the vehicle according to claim 1, wherein the cutout portion is formed by cutting out a part of the winding portion on an open side of the opening / closing lid, and the opening of the opening / closing lid is formed. A sliding angle of the second hinge member with respect to the first hinge member in a direction in which the notch portion and the engaging portion are close to each other when the opening angle with respect to the portion is equal to or less than the predetermined opening angle; It is prohibited by contacting the engaging portion.

  The vehicle according to claim 3 is the vehicle according to claim 1 or 2, wherein the stopper portion provided in the cutout portion and the engagement portion are engaged, and the cutout portion and the engagement portion are engaged with each other. A locking portion that prohibits sliding of the second hinge member with respect to the first hinge member in a direction in which the notch portion and the engaging portion are separated from each other by being locked to the stopper portion. ing.

  The vehicle according to claim 4 is the vehicle according to claim 3, wherein the notch portion or the engaging portion is the first hinge member of the second hinge member in a direction in which the notch portion and the engaging portion approach each other. The opening / closing lid is formed to be inclined so as to swing to the open side as it slides.

  The vehicle according to claim 5 is the vehicle according to any one of claims 1 to 4, wherein the opening / closing lid that is swingably supported by the vehicle body by the hinge device swings in an antigravity direction. While opening the opening, the opening is closed by swinging in the direction of gravity.

  According to the vehicle of the first aspect, the hinge device is pivotally supported by the shaft member so that the first hinge member and the second hinge member are relatively swingable and slidable, and the first hinge member of the hinge device is The second hinge member is attached to the opening / closing lid while being attached to the vehicle body. Further, each of the first hinge member and the second hinge member is provided with either an engaging portion or a shaft holding portion having a wound portion and a notch portion. Therefore, when the opening / closing lid is slid with respect to the vehicle body in a direction in which the notch portion and the engaging portion provided in the hinge device are separated from each other, the opening formed in the vehicle body is opened or closed by swinging the opening / closing lid. can do. On the other hand, when the opening / closing lid is slid with respect to the vehicle body in the direction in which the notch and the engaging portion are close to each other, the opening / closing lid is opened with the opening being opened by engaging the notch and the engaging portion. The predetermined opening angle can be maintained. Therefore, after opening and closing the opening / closing lid, there is an effect that the opening / closing lid can be easily maintained in an open state by a simple operation of sliding the opening / closing lid along the vehicle body.

  In addition, since the hinge device has a structure that has both the role of supporting the opening / closing lid on the vehicle body and the role of maintaining the opening / closing lid in an open state, compared to the case where each role is configured with separate parts, There is an effect that the number of points can be reduced. Furthermore, if the number of parts can be reduced, the weight of the vehicle can be reduced accordingly, and this is advantageous for a vehicle that is desired to be reduced in weight, such as a Shinkansen vehicle. Become.

  According to the vehicle of the second aspect, in addition to the effect achieved by the vehicle of the first aspect, the notch portion is a part of the opening side of the opening / closing lid in the winding portion formed to wind the shaft member. Since it is formed by notching, until the opening / closing lid swings and opens at a predetermined opening angle, the side end portions of the notch portion and the engaging portion come into contact with each other, so that the notch portion and the engaging portion The sliding of the open / close lid with respect to the vehicle body in the direction in which the two are close to each other is prohibited. Therefore, for example, even when the vehicle is traveling, the opening / closing lid in the closed state can be supported on the vehicle body in a stable state.

  Also, until the opening / closing lid swings and opens at a predetermined opening angle, sliding of the opening / closing lid with respect to the vehicle body in the direction in which the notch portion and the engaging portion are close to each other is prohibited. It is possible to determine whether or not the notch portion and the engaging portion are engaged according to the availability. Therefore, it is not necessary to visually check the engagement state between the notch portion and the engagement portion each time, and there is an effect that workability can be improved.

  According to the vehicle of the third aspect, in addition to the effect produced by the vehicle according to the first or second aspect, when the notch portion and the engaging portion are engaged, the locking portion is locked to the stopper portion. The sliding of the opening / closing lid with respect to the vehicle body in the direction in which the notch portion and the engaging portion are separated from each other is prohibited. Therefore, there is an effect that it is possible to prevent the open / close lid in the open state from being inadvertently slid and closed. Thereby, the safety | security to an operator can be ensured.

  According to the vehicle of the fourth aspect, in addition to the effect achieved by the vehicle of the third aspect, the notch portion or the engagement portion is slid with respect to the vehicle body of the opening / closing lid in the direction in which the notch portion and the engagement portion come close to each other Accordingly, the opening / closing lid is formed to be inclined so as to swing to the open side. Therefore, the stopper can be inevitably locked to the stopper simply by sliding the opening / closing lid with respect to the vehicle body. There is an effect that can be done.

  According to the vehicle of the fifth aspect, in addition to the effect produced by the vehicle according to any one of the first to fourth aspects, the opening / closing lid opens the opening by swinging in the antigravity direction, while the gravity direction Since the opening is closed by swinging to the side, there is an effect that it is possible to avoid the possibility that the opening / closing lid opens while the vehicle is traveling.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the accompanying drawings. Fig.1 (a) is a side view of the rail vehicle 10 in one embodiment of this invention. Moreover, FIG.1 (b) is an enlarged view of the rail vehicle 10 which expanded the part shown by A of FIG.1 (a), FIG.1 (c) is in the Ic-Ic line | wire of FIG.1 (b). 1 is an enlarged cross-sectional view of a railway vehicle 10. FIG. In FIG. 1C, the open / close lid 13 in the closed state is illustrated using a solid line, and the open / close lid 13 in the open state is illustrated using a two-dot chain line.

  First, a schematic configuration of the railway vehicle 10 will be described with reference to FIG. The railcar 10 is a train that travels on a track using electric power or the like as a drive source. As shown in FIG. 1, the railcar 10 is provided with a vehicle body 11, an opening 12 formed in the vehicle body 11, and the opening 12. It is mainly provided with the opening / closing lid 13 to be formed.

  The opening 12 is a work window for performing maintenance of an underfloor device (not shown) disposed inside the vehicle body 11, and as shown in FIG. 1, a side surface penetrating the inside and the outside of the vehicle body 11. A plurality of through-holes having a rectangular shape are formed on the side surface of the vehicle body 11.

  The opening / closing lid 13 is a member for opening or closing the opening 12, and as shown in FIG. 1, is configured by a plate-like body having substantially the same shape as the opening 12 in a side view, and is attached to the vehicle body 11 by the hinge device 20. It is supported. The hinge device 20 is a device for supporting the opening / closing lid 13 on the vehicle body 11 so as to be swingable and maintaining the opening / closing lid 13 in an open state. As shown in FIG. It is arrange | positioned at the part (FIG.1 (c) upper side). That is, the opening 12 is opened by swinging (raising) the opening / closing lid 13 in the antigravity direction (the direction of arrow B in FIG. 1C) (see FIG. 1C). In this way, the opening / closing lid 13 is swung in the antigravity direction to open the opening 12, while the opening / closing lid 13 is swung in the gravity direction to close the opening 12, thereby The fear that the open / close lid 13 will open while the vehicle 10 is traveling can be avoided. The vehicle body 11 is provided with a lid fixing member 14, and the lid fixing member 14 can fix the opening / closing lid 13 so that it cannot swing while being closed. The lid fixing member 14 fixes the opening / closing lid 13 by rotating the fixing portion 14b around the shaft portion 14a.

  Next, a detailed configuration of the hinge device 20 will be described with reference to FIG. FIG. 2A is a front view of the hinge device 20, and FIG. 2B is a side view of the hinge device 20. In FIG. 2, the vehicle body 11 and the opening / closing lid 13 are illustrated using a two-dot chain line. For easy understanding, the vehicle body 11 and the opening / closing lid 13 shown in FIG.

  As described above, the hinge device 20 is a device for supporting the opening / closing lid 13 on the vehicle body 11 so as to be swingable and maintaining the opening / closing lid 13 in an open state. As shown in FIG. 21, a second hinge member 22, and a shaft member 23 that connects the first hinge member 21 and the second hinge member 22.

  The first hinge member 21 is a member that is attached to the vehicle body 11, and mainly includes a plate-like portion 21a and a shaft holding portion 21b that holds the shaft member 23, as shown in FIG. Yes. The detailed configuration of the first hinge member 21 will be described later with reference to FIG.

  The second hinge member 22 is a member that is attached to the open / close lid 13 and mainly includes a plate-like portion 22a and a shaft holding portion 22b that holds the shaft member 23, as shown in FIG. ing. The detailed configuration of the second hinge member 22 will be described later with reference to FIG.

  As shown in FIG. 2, the shaft member 23 is configured by a shaft-like body made of a metal material, and is held by the shaft holding portion 21 b of the first hinge member 21 and the shaft holding portion 22 b of the second hinge member 22. ing. The shaft member 23 is held by the shaft holding portion 21b of the first hinge member 21 and the shaft holding portion 22b of the second hinge member 22, respectively, thereby connecting the first hinge member 21 and the second hinge member 22. Can do. Further, the shaft member 23 can swing the first hinge member 21 and the second hinge member 22 relatively around the axis of the shaft member 23, and along the axis of the shaft member 23. It can slide relatively.

  Next, a detailed configuration of the first hinge member 21 will be described with reference to FIG. FIG. 3A is a front view of the first hinge member 21, and FIG. 3B is an enlarged perspective view of the first hinge member 21 in a portion indicated by C in FIG. 3A. 3C is a cross-sectional view of the first hinge member 21 taken along line IIIc-IIIc in FIG. 3A, and FIG. 3D is a cross-sectional view taken along line IIId-IIId in FIG. 2 is a cross-sectional view of one hinge member 21. FIG.

  As shown in FIG. 3, the first hinge member 21 is made of a metal material, and is formed in a plate-like portion 21a formed in a plate-like body having a rectangular shape in front view, and one end side in the longitudinal direction of the plate-like portion 21a (see FIG. 3) and a shaft holding portion 21b formed integrally with the plate-like portion 21a.

  The plate-like portion 21a is a part that is attached to the vehicle body 11, and as shown in FIGS. 3 (a) and 3 (b), a plurality (three in this embodiment) of through holes 21a1 are formed. It is installed. A bolt (not shown) or the like is inserted into the through hole 21 a 1 to fix the first hinge member 21 to the vehicle body 11.

  As described above, the shaft holding portion 21b is a portion for holding the shaft member 23. As shown in FIG. 3, the winding portion 21b1 formed so as to wind the shaft member 23, and its winding A notch portion 21b2 formed by notching a part of the wound portion 21b1 connected to the turning portion 21b1 is provided. As shown in FIG. 3C, the notch portion 21b2 includes the first hinge member 21 such that an end surface E formed by notching the winding portion 21b1 has a predetermined angle α with respect to the plate-like portion 21a. Is attached to the vehicle body 11, a part of the winding portion 21 b 1 which is the open side of the opening / closing lid 13 is cut away.

  Next, the detailed configuration of the second hinge member 22 will be described with reference to FIG. 4A is a front view of the second hinge member 22, and FIG. 4B is an enlarged perspective view of the second hinge member 22 in a portion indicated by D in FIG. 4A. 4C is a cross-sectional view of the second hinge member 22 taken along the line IVc-IVc in FIG. 4A, and FIG. 4D is a cross-sectional view taken along the line IVd-IVd in FIG. 2 is a cross-sectional view of a two-hinge member 22. FIG.

  As shown in FIG. 4, the second hinge member 22 is made of a metal material, and has a plate-like portion 22 a formed in a plate-like body having a substantially rectangular shape in front view, and one end side in the longitudinal direction of the plate-like portion 22 a ( The upper part of FIG. 4 mainly includes a shaft holding part 22b formed integrally with the plate-like part 22a.

  The plate-like portion 22a is a part attached to the open / close lid 13, and as shown in FIGS. 4A and 4B, a plurality (three in this embodiment) of through holes 22a1 are formed. It has been drilled. A bolt (not shown) or the like is inserted into the through hole 22 a 1 to fix the second hinge member 22 to the opening / closing lid 13.

  As described above, the shaft holding portion 22b is a portion for holding the shaft member 23. As shown in FIG. 4, the winding portion 22b1 formed so as to wind the shaft member 23, and its winding An engagement portion 22b2 formed by cutting out a part of the winding portion 22b1 connected to the turning portion 22b1 is provided. As shown in FIG. 4, the engaging portion 22b2 is formed so as to protrude from the plate-like portion 22a by cutting out the winding portion 22b1.

  Next, with reference to FIG. 5, the method of maintaining the open / close lid 13 in the open state by the hinge device 20 will be described. 5 (a) to 5 (c) are front views of the hinge device 20, and the state in which the second hinge member 22 is fixed to the first hinge member 21 at a predetermined swing angle is illustrated in time series. Has been. FIGS. 5D to 5F are cross-sectional views of the hinge device 20 taken along the lines Vd-Vd to Vf-Vf in FIGS. 5A to 5C. 5 (d) to 5 (f), the vehicle body 11 and the opening / closing lid 13 are illustrated using a two-dot chain line, and in a position corresponding to the vehicle body 11 and the opening / closing lid 13 shown in FIG. It is shown in the figure. In FIG. 5, only main components are denoted by reference numerals.

  When the second hinge member 22 is fixed to the first hinge member 21 at a predetermined swing angle (angle α), first, the first hinge member 21 and the second hinge member 22 are shown in FIG. The second hinge member 22 is moved around the axis of the shaft member 23 relative to the first hinge member 21 so that the state shown in FIG. 5 (d) is changed to the state shown in FIGS. 5 (b) and 5 (e). Swing in the direction of arrow F (see FIG. 5E). That is, the second hinge member 22 is swung with respect to the first hinge member 21 so that the notch 21b2 (end surface E) of the first hinge member 21 and the engaging portion 22b2 of the second hinge member 22 can be engaged. In this way, the position of the notch 21b2 (end surface E) and the position of the engaging portion 22b2 are matched.

  Next, as shown in FIG. 5C and FIG. 5F, the second hinge member 22 is moved in the direction of arrow G along the axis of the shaft member 23 with respect to the first hinge member 21 (FIG. 5C). Slide to (see). That is, the second hinge member 22 is slid with respect to the first hinge member 21 in a direction in which the cutout portion 21b2 of the first hinge member 21 and the engaging portion 22b2 of the second hinge member 22 are close to each other. By the sliding of the second hinge member 22 with respect to the first hinge member 21, the notch 21b2 (end surface E) of the first hinge member 21 and the engaging portion 22b2 of the second hinge member 22 are engaged, and the second hinge The member 22 can be fixed to the first hinge member 21 at a predetermined swing angle. As a result, the opening / closing lid 13 is fixed to the vehicle body 11 at a predetermined opening angle, and the opening / closing lid 13 can be maintained in the opened state. On the other hand, when the second hinge member 22 is slid with respect to the first hinge member 21 in the direction in which the notch portion 21b2 and the engagement portion 22b2 are separated from each other, the notch portion 21b2 (end surface E) and the engagement portion 22b2 Is released and the open / close lid 13 can be swung. Therefore, the opening 12 can be opened and closed by the opening / closing lid 13.

  As described above, according to the railway vehicle 10 in the present embodiment, the hinge device 20 is pivotally supported by the shaft member 23 so that the first hinge member 21 and the second hinge member 22 can swing and slide relative to each other. Then, the first hinge member 21 of the hinge device 20 is attached to the vehicle body 11 and the second hinge member 22 is attached to the opening / closing lid 13. Further, the first hinge member 21 is provided with a notch 21b2, and the second hinge member 22 is provided with an engaging portion 22b2. Therefore, when the opening / closing lid 13 is slid with respect to the vehicle body 11 in the direction in which the notch 22b2 and the engaging portion 22b2 are separated from each other, the opening 12 formed in the vehicle body 11 is opened or opened by the swinging of the opening / closing lid 13. Can be occluded. On the other hand, when the opening / closing lid 13 is slid with respect to the vehicle body 11 in the direction in which the notch portion 21b2 and the engaging portion 22b2 approach each other, the notch portion 21b2 (end surface E) and the engaging portion 22b2 are engaged. The opening / closing lid 13 can be maintained at a predetermined opening angle while the opening 12 is opened. Therefore, after opening and closing the opening / closing lid 13, the opening / closing lid 13 can be easily maintained in an open state by a simple operation of sliding the opening / closing lid 13 along the vehicle body 11.

  Further, since the hinge device 20 is configured to have both the role of supporting the opening / closing lid 13 on the vehicle body 11 and the role of maintaining the opening / closing lid 13 in an open state, the hinge device 20 is compared with the case where each role is configured by separate parts. Thus, the number of parts can be reduced. If the number of parts can be reduced, the weight of the railway vehicle 10 can be reduced accordingly, and this is advantageous for a vehicle that is desired to be reduced in weight, such as a Shinkansen vehicle. Become.

  Further, since the cutout portion 21b2 is formed by cutting out a part of the winding portion 21b1 on the opening side of the opening / closing lid 13, the opening / closing lid 13 is swung open at a predetermined opening angle (angle α). Because the side end portions of the notch portion 21b2 and the engaging portion 22b2 come into contact with each other, the opening / closing lid 13 is prohibited from sliding on the vehicle body 11 in the direction in which the notch portion 21b2 and the engaging portion 22b2 are close to each other. Therefore, for example, even when the railway vehicle 10 is traveling, the open / close lid 13 in the closed state can be supported on the vehicle body 11 in a stable state.

  Further, until the opening / closing lid 13 is swung open at a predetermined opening angle (angle α), the sliding of the opening / closing lid 13 with respect to the vehicle body 11 in the direction in which the notch portion 21b2 and the engaging portion 22b2 are close to each other is prohibited. Therefore, whether or not the notch 21b2 and the engaging portion 22b2 are engaged can be determined based on whether or not the opening / closing lid 13 can slide with respect to the vehicle body 11. Therefore, it is not necessary to visually check the engaged state between the notch portion 21b2 and the engaging portion 22b2, and the workability can be improved.

  In addition, the opening angle with respect to the vehicle body 11 of the opening / closing lid 13 can be set to a desired opening angle by changing the angle α shown in FIG.

  Next, a second embodiment will be described with reference to FIG. In the second embodiment, a stopper 121c is added to the first hinge member 21 and a locking portion 122c is added to the second hinge member 22 with respect to the hinge device 20 in the first embodiment. . In addition, the same code | symbol is attached | subjected to the part same as 1st Embodiment, and the description is abbreviate | omitted.

  FIG. 6A is a partial perspective view of the first hinge member 121 in the second embodiment, and FIG. 6B is a partial perspective view of the second hinge member 122 in the second embodiment. 6A, illustration of the first hinge member 121 in the longitudinal direction is omitted, and in FIG. 6B, illustration of the second hinge member 122 in the longitudinal direction is omitted.

  As shown in FIG. 6A, the first hinge member 121 is formed such that the end surface E of the notch 21b2 is inclined upward from the side end of the notch 21b2 toward the winding portion 21b1. Further, as shown in FIG. 6A, a stopper 121c is recessed in the end surface E of the notch 21b2.

  As shown in FIG. 6B, the second hinge member 122 is formed such that the engaging portion 22b2 is inclined upward from the side end portion of the engaging portion 22b2 toward the winding portion 22b1. Further, as shown in FIG. 6B, the engaging portion 22b2 is provided with a locking portion 122c.

  As described above, according to the present embodiment, since the stopper portion 121c and the locking portion 122c are provided, the notch portion 21b2 of the first hinge member 121 and the engaging portion 22b2 of the second hinge member 122 When the second hinge member 122 is slid with respect to the first hinge member 121 in the direction in which they approach each other, the locking portion 122c is locked to the stopper portion 121c, and the notch portion 21b2 and the engaging portion 22b2 are separated from each other. The second hinge member 122 can be prohibited from sliding with respect to the first hinge member 121 in the direction in which the second hinge member 122 moves. Therefore, it is possible to prevent the open / close lid 13 in the open state from being inadvertently slid and closed. Thereby, the safety | security to an operator can be ensured.

  Further, the end surface E of the notch 21b2 is formed to be inclined upward from the side end of the notch 21b2 toward the winding portion 21b1, and the engaging portion 22b2 is bent from the side end of the notch 22b2. Since the second hinge member 122 slides with respect to the first hinge member 121, the open / close lid 13 is swung to the open side because the second hinge member 122 slides relative to the first hinge member 121. Therefore, simply by sliding the opening / closing lid 13 with respect to the vehicle body 11, the locking portion 122c can be locked to the stopper portion 121c.

  As described above, the present invention has been described based on the embodiments, but the present invention is not limited to the above embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention. It can be easily guessed.

  For example, in each of the above embodiments, the case of the railway vehicle 10 including the opening / closing lid 13 that opens or closes the opening 12 has been described. However, the present invention is not necessarily limited thereto, and the present invention is applied to various vehicles such as automobiles. Of course, it is possible to adopt.

  In each of the above-described embodiments, the first hinge members 21 and 121 are provided with the notches 21b2 and the second hinge members 22 and 122 are provided with the engaging portions 22b2. However, the present invention is not limited to this. Instead, the first hinge members 21 and 121 may be provided with the engaging portions 22b2 and the second hinge members 22 and 122 may be provided with the notches 21b2.

  In the second embodiment, the case where the stopper portion 121c is recessed and the locking portion 122c is formed is described. However, the shape of the stopper portion 121c and the locking portion 122c is not limited to this. It is not something that can be done.

(A) is a side view of the railway vehicle in one embodiment of the present invention, (b) is an enlarged view of the railway vehicle in which the portion indicated by A in (a) is enlarged, (c), It is an expanded sectional view of the railway vehicle in the Ic-Ic line of (b). (A) is a front view of a hinge apparatus, (b) is a side view of a hinge apparatus. (A) is a front view of a 1st hinge member, (b) is a perspective view of the 1st hinge member in the part shown by C of (a). (C) is a sectional view of the first hinge member taken along line IIIc-IIIc in (a), and (d) is a sectional view of the first hinge member taken along line IIId-IIId in (a). (A) is a front view of a 2nd hinge member, (b) is a perspective view of the 2nd hinge member in the part shown by D of (a). (C) is a sectional view of the second hinge member taken along the line IVc-IVc of (a), and (d) is a sectional view of the second hinge member taken along the line IVd-IVd of (a). (A)-(c) is a front view of a hinge apparatus, and is a figure which shows a mode that a 2nd hinge member is fixed to a 1st hinge member with a predetermined | prescribed rocking angle in time series. (D) to (f) are cross-sectional views of the hinge device taken along lines Vd-Vd to Vf-Vf in (a) to (c). (A) is a fragmentary perspective view of the 1st hinge member in 2nd Embodiment, (b) is a fragmentary perspective view of the 2nd hinge member in 2nd Embodiment.

Explanation of symbols

10 Railway vehicles (vehicles)
DESCRIPTION OF SYMBOLS 11 Car body 12 Opening part 13 Opening / closing lid | cover 20 Hinge apparatus 21,121 1st hinge member 21b Shaft holding part 21b1 Winding part 21b2 Notch part 22,122 2nd hinge member 22b Shaft holding part 22b1 Winding part 22b2 Engagement part 23 Shaft Member 121c Stopper portion 122c Locking portion E End surface (part of the notch)

Claims (5)

A vehicle body, an opening formed in the vehicle body, an opening / closing lid that opens and closes the opening, and the opening / closing lid can be swung to the vehicle body to open and close the opening by swinging the opening / closing lid In a vehicle equipped with a hinge device that supports
The hinge device is
A first hinge member attached to the vehicle body;
A second hinge member attached to the opening / closing lid;
A shaft member that pivotally supports the second hinge member so as to swing and slide on the first hinge member;
In order to hold the shaft member, a winding portion provided on either the first hinge member or the second hinge member and formed to wind the shaft member and a part of the winding portion are provided. A shaft holding part having a notch formed by notching, and
The shaft holding portion is provided on either the first hinge member or the second hinge member, and the swing angle of the second hinge member with respect to the first hinge member is set by engaging with the notch portion. An engaging portion that maintains a predetermined swing angle;
When the second hinge member is slid with respect to the first hinge member in a direction in which the notch and the engaging portion are separated from each other, the opening can be opened and closed by the opening / closing lid. When the second hinge member is slid with respect to the first hinge member in a direction in which the portion and the engagement portion are close to each other, the notch portion and the engagement portion are engaged with each other so that the opening / closing lid The vehicle is configured to be capable of maintaining an opening angle with respect to the opening at a predetermined opening angle. The cutout portion is formed by cutting out a part of the winding portion on the open side of the opening / closing lid,
When the opening angle of the opening / closing lid with respect to the opening is equal to or smaller than the predetermined opening angle, the second hinge member slides relative to the first hinge member in a direction in which the notch portion and the engagement portion come close to each other. 2. The vehicle according to claim 1, wherein the notch and the engaging portion are in contact with each other. A stopper provided in the notch,
When the notch and the engaging part are engaged with each other, provided in the engaging part, the notch and the engaging part are separated from each other by being locked by the stopper part. The vehicle according to claim 1, further comprising a locking portion that prohibits sliding of the second hinge member with respect to the first hinge member.   The notch portion or the engaging portion is configured such that the opening / closing lid swings to the open side as the second hinge member slides with respect to the first hinge member in a direction in which the notch portion and the engaging portion approach each other. The vehicle according to claim 3, wherein the vehicle is formed to be inclined.   An opening / closing lid supported swingably on the vehicle body by the hinge device opens the opening by swinging in the antigravity direction, and closes the opening by swinging in the gravity direction. The vehicle according to claim 1, wherein the vehicle is a vehicle.

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