JP6217331B2 - Opening and closing structure for vehicle side door - Google Patents

Description

  The present invention relates to a vehicular side door opening / closing structure configured such that a vehicular side door is pivotally attached to a vehicle body by a door hinge so that the pivoting operation of the side door can be restricted.

  In a vehicle such as an automobile, the door is rotatably attached to the vehicle body by a door hinge, and the door is opened and closed by the turning operation. Generally, in such a vehicle door opening / closing structure, the door is prevented from opening more than a certain amount, the door is held in an intermediate open state between a closed state and a maximum open state, etc. For this purpose, there is provided a mechanism capable of restricting the rotational movement of the door.

  Specifically, as an example of an opening / closing structure for a vehicle door, in particular, an opening / closing structure for a vehicle side door disposed on a side portion of the vehicle in the vehicle width direction, the following is present. A vehicle door, in particular, a vehicle side door, is attached to the vehicle body by a door hinge disposed in front of the door in the front-rear direction, and extends from the vehicle body into the door as a mechanism capable of restricting the rotational movement of the door. A lever member (check link arm) is provided, and a case member (case body) that can support the lever member inside the side door is provided. A through hole through which a lever member can be inserted is formed in the door inner panel and the case member of such a side door, and an elastic body is attached around the through hole of the case member. A stopper member (stopper) formed larger than the through hole of the case member is attached to the distal end portion of the lever member, and a concave groove is formed in the middle portion of the lever member. The lever member that can rotate with respect to the vehicle body is inserted into the side door through the door inner panel of the side door and the through hole of the case member. The intermediate part of the lever member is supported by contacting the elastic body of the case member. In such a configuration, the lever member is guided by the case member when the side door is opened and closed. Regarding the restriction of the pivoting movement of the door, the movement of the lever member is restricted so that the case member and the stopper member at the tip of the lever member abut against each other to prevent the side door from opening more than a certain amount. It has become. Furthermore, the side door can be held in an intermediate open state between the closed state and the maximum open state by engaging the concave groove in the intermediate portion of the lever member with the elastic body of the case member. (For example, see Patent Document 1.)

Japanese Patent Laid-Open No. 10-081135

  However, in the example of the vehicle side door opening / closing structure described above, the side door is merely held in the intermediate open state by the engagement of the recess groove in the intermediate portion of the lever member and the elastic body of the case member. Absent. Therefore, when the load is applied from the side of the vehicle and the side door begins to open after the closed state of the side door is released, the concave portion of the intermediate portion of the lever member and the elastic body of the case member do not engage with each other. The side door may be opened unintentionally. Further, the side door may be unintentionally opened to the maximum open state. Therefore, in the opening / closing structure of the vehicle side door, it is required to prevent the side door from being unintentionally opened when a load is applied from the side of the vehicle. On the other hand, in the opening / closing structure of the vehicle side door, it is also required that the side door can be opened and closed smoothly during normal times.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle side door that can smoothly open and close the side door during normal time and prevents the side door from being unintentionally opened when a load is applied from the side of the vehicle. The object is to provide an open / close structure.

In order to solve the problem, a vehicle side door opening / closing structure according to an aspect of the present invention includes a side door disposed at a side portion in a vehicle width direction of the vehicle, and a front side of the side door in the front-rear direction. And a door hinge configured to pivotally attach the side door to the vehicle body, the side door having a case member disposed therein, and the door hinge from the pivot shaft. The vehicle has a lever member extending toward the inside of the side door, and the lever member is configured to be guided by the case member. A guide member is disposed in the interior of the case member at a distance behind the door in the longitudinal direction of the door, and the lever is provided on each of the case member and the guide member. Is the case the through-hole and the guide through hole is formed to penetrate in response to wood, the lever member, the projection portion projecting from the vehicle interior in the door thickness direction toward the outside is formed, the protrusion is the side The lever member is inserted into the case through hole and the guide through hole so as to be positioned between the case member and the guide member in a closed state of the door, and the guide member is a guide member biasing means. Is biased in the direction of the door thickness from the outside of the vehicle toward the vehicle interior. Therefore, during normal times, the lever member is urged together with the guide member in the direction of the door thickness from the outside of the vehicle toward the vehicle interior, and the protruding portion of the lever member is maintained in a state where it can smoothly pass through the case through hole of the case member. Therefore, the side door can be opened and closed smoothly between the closed state and the maximum open state. On the other hand, when a load is applied from the side of the vehicle, the load urges the lever member in a direction toward the vehicle interior from the outside of the vehicle in the door thickness direction (hereinafter referred to as “lever member urging force”). ) Here, when the load from the side of the vehicle becomes larger than the biasing force of the lever member, the lever member moves in a direction from the vehicle interior to the vehicle exterior in the door thickness direction. At this time, the protrusion of the lever member can come into contact with the case member in the front-rear direction of the door so as to prevent the movement of the lever member in the front-rear direction of the door. As a result, when the side door starts to open after the closed state of the side door is released unintentionally, the side door is prevented from opening from a position closer to the closed state. Therefore, it is possible to prevent the side door from being unintentionally opened when a load is applied from the side of the vehicle.

  In the vehicular side door opening / closing structure according to one aspect of the present invention, the protrusion amount of the protrusion of the lever member increases from the rear in the front-rear direction of the door toward the front, and in the closed state of the side door. A part of the protruding portion is configured to be inserted into the guide through hole of the guide member. Therefore, since the protrusion is smoothly inserted into the guide member, the side door can be smoothly opened and closed between the closed state and the maximum open state. Further, in the closed state of the side door, the guide member is pushed from the vehicle interior in the door thickness direction toward the outside of the vehicle by the protrusion of the lever member, and the biasing force of the lever member increases, so the closed state of the side door Is easily maintained stably. On the other hand, when the side door begins to open after the side door is unintentionally released, the lever member can easily move from the vehicle interior to the vehicle exterior in the door thickness direction. Will be prompted to prevent it from opening more than the closed position. Therefore, it is possible to reliably prevent the side door from being unintentionally opened when a load is applied from the side of the vehicle.

  An opening / closing structure for a vehicle side door according to another aspect of the present invention includes: a side door disposed at a side portion in a vehicle width direction of the vehicle; and the side door disposed in front of the side door in the front-rear direction. A door hinge configured to pivotally attach the door to the vehicle body, the side door having a case member disposed therein, and the door hinge from the pivot shaft to the inside of the side door An opening / closing structure for a vehicle side door, wherein the lever member is configured to be guided by the case member, and the side door extends in a door thickness direction. It has a projecting member incorporated in the lever member in a movable state, and the projecting member is configured to project from the lever member in the door thickness direction toward the outside of the vehicle. A case through-hole is formed in the case member so as to pass through the lever member, and the pin portion is positioned rearward in the front-rear direction of the case member when the side door is closed. As described above, the lever member is inserted into the case through hole, and the protruding member is urged by the protruding member urging means in the direction from the outside of the vehicle toward the vehicle interior in the door thickness direction. Therefore, normally, the protruding member is urged in the direction from the outside of the vehicle toward the vehicle interior in the door thickness direction, and the amount of protrusion of the pin portion of the protruding member from the lever member is reduced. As a result, the lever member is maintained in a state in which the lever member can smoothly pass through the case through hole of the case member, so that the side door can be smoothly opened and closed between the closed state and the maximum open state. On the other hand, when a load is applied from the side of the vehicle, the load urges the projecting member in a direction from the outside of the vehicle toward the vehicle interior in the door thickness direction (hereinafter referred to as “projection member urging force”). ) Here, when the load becomes larger than the urging force of the protruding member from the side of the vehicle, the protruding member moves from the vehicle interior to the outside of the vehicle in the door thickness direction. At this time, the pin portion of the protruding member can come into contact with the case member in the front-rear direction of the door so as to prevent the movement of the lever member in the front-rear direction of the door. As a result, when the side door starts to open after the side door is unintentionally released, the side door is prevented from opening more than the position closer to the closed state. Therefore, it is possible to prevent the side door from being unintentionally opened when a load is applied from the side of the vehicle.

  In the vehicular side door opening / closing structure according to another aspect of the present invention, the side door includes a guide member that is disposed with a space behind the case member in the front-rear direction of the door, and the guide A guide through-hole penetrating in the front-rear direction of the door corresponding to the lever member is formed in the member, and a part of the pin portion is in an initial state of the protruding member urged by the urging means for the protruding member Protrudes from the lever member, and the lever member is further inserted into the guide through hole so that the pin portion is positioned forward of the guide member in the front-rear direction of the door, and the guide member is attached to the guide member. It is urged by the urging means in the direction from the outside of the vehicle toward the vehicle interior in the door thickness direction. Therefore, normally, the lever member is stably urged together with the guide member in the door thickness direction from the outside of the vehicle toward the vehicle interior, and the pin portion of the protruding member protruding from the lever member is the case through hole of the case member. Therefore, the side door can be opened and closed more smoothly between the closed state and the maximum open state. On the other hand, when a load is applied from the side of the vehicle, the load urges the lever member in a direction toward the vehicle interior from the outside of the vehicle in the door thickness direction (hereinafter referred to as “lever member urging force”). ) Here, when the load from the side of the vehicle becomes larger than the biasing force of the lever member, the lever member moves in a direction from the vehicle interior to the vehicle exterior in the door thickness direction. At this time, the pin portion of the projecting member can reliably contact the case member in the front-rear direction of the door so as to prevent the movement of the lever member in the front-rear direction of the door. As a result, when the side door starts to open after the side door is unintentionally released, the side door is prevented from opening more than the position closer to the closed state. Therefore, it is possible to reliably prevent the side door from being unintentionally opened when a load is applied from the side of the vehicle.

  According to the vehicle side door opening / closing structure according to one aspect and another aspect of the present invention, the side door can be smoothly opened and closed during normal times, and the side door is not intended when a load is applied from the side of the vehicle. Can be prevented from being released.

1 is a perspective view schematically showing a vehicle including a vehicle side door opening / closing structure according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view schematically showing the vehicle side door opening / closing structure according to the first embodiment of the present invention, cut along line AA in FIG. 1 in a closed state of the side door. FIG. 3 is a diagram schematically showing an enlarged vehicle door side opening / closing structure according to the first embodiment of the present invention, with an enlarged view of a portion B in FIG. 2 in a closed state of the side door. It is a bottom view which shows roughly the door hinge used for the opening / closing structure of the vehicle side door which concerns on 1st Embodiment of this invention, and the case member of a side door. It is CC sectional drawing of FIG. FIG. 2 is a cross-sectional view schematically showing the vehicular side door opening / closing structure according to the first embodiment of the present invention, cut along the line A-A in FIG. 1 in the maximum open state of the side door. It is a figure which expands and roughly shows the B section of Drawing 2 in the state where the load from the side of vehicles was applied to the opening-and-closing structure of the side door for vehicles concerning a 1st embodiment of the present invention. FIG. 4 is a cross-sectional view schematically showing an opening / closing structure for a vehicle side door according to a second embodiment of the present invention, cut along a line corresponding to line AA in FIG. 1 in a closed state of the side door. FIG. 9 is an enlarged view schematically showing an opening / closing structure for a vehicle side door according to a second embodiment of the present invention, with the portion D in FIG. 8 enlarged in a closed state of the side door. FIG. 9 is a diagram schematically showing an enlargement of a D portion of FIG. 8 in a state in which a load from the side of the vehicle is applied to an opening / closing structure for a vehicle side door according to a second embodiment of the present invention. FIG. 5 is a cross-sectional view schematically showing a vehicle side door opening / closing structure according to a third embodiment of the present invention, cut along a line corresponding to line AA in FIG. 1 in a closed state of the side door.

[First Embodiment]
A vehicle side door opening / closing structure (hereinafter referred to as “door opening / closing structure”) according to a first embodiment of the present invention will be described below. As shown in FIG. 1, the vehicle includes a side body inner panel 1 a disposed on a side portion of the vehicle body 1 in the vehicle width direction, and a vehicle side door (hereinafter, “ 2). The side body inner panel 1 a of the vehicle body 1 has a pillar portion 1 b that is positioned forward of the door 2 in the front-rear direction of the door. The pillar portion 1 b is formed corresponding to the front end edge of the door 2. In the present embodiment, the door 2 shown in FIG. 1 is a front door on the right side in the vehicle traveling direction, but the present invention is not limited to this. In the present invention, the door 2 only needs to be disposed on the side in the vehicle width direction of the vehicle. For example, the door 2 includes a front door on the left side in the vehicle traveling direction, a rear door on the right side in the vehicle traveling direction, and a rear door on the left side in the vehicle traveling direction. Etc.

  As shown in FIGS. 1 and 2, the vehicle includes a door hinge 3 configured to pivotably attach the door 2 to the pillar portion 1 b of the side body inner panel 1 a of the vehicle body 1. The door hinge 3 is disposed in front of the door 2 in the front-rear direction of the door. As shown in FIGS. 1-5, the door hinge 3 has the rotating shaft 3a extended in a vehicle up-down direction. As shown in FIGS. 2, 4, and 5, the door hinge 3 includes a vehicle body side mounting member 4 that protrudes from the pillar portion 1b of the side body inner panel 1a toward the rotation shaft 3a, and the door from the rotation shaft 3a. 2 and a lever member 5 extending toward 2. Therefore, the lever member 5 can be rotated around the rotation shaft 3 a with respect to the vehicle body side mounting portion 4. As shown in FIGS. 1 and 2 again, the pillar portion 1b of the side body inner panel 1a of the vehicle body 1 and the door 2 are connected via such a door hinge 3, and the door 2 is located in front of the door hinge. 3 is pivotable about a pivot shaft 3a.

  Here, the detail of the door 2 is demonstrated with reference to FIG.2 and FIG.3. As shown in FIG. 2, the door 2 includes a door inner panel 6 positioned closer to the vehicle interior in the door thickness direction and a door outer panel 7 positioned closer to the vehicle outer side in the door thickness direction. The door inner panel 6 has an inner end portion 6 a that constitutes a vehicle interior side end surface of the door 2 in the door thickness direction. The door inner panel 6 has a front end 6b extending from the front end of the inner end 6a in the front-rear direction of the door toward the vehicle outer side in the door thickness direction. When the door 2 is closed, the front end 6b of the door inner panel 6 faces the pillar 1b of the side body inner panel 1a. A panel through-hole 6 c that penetrates in the front-rear direction of the door is formed in the front end portion 6 b of the door inner panel 6 corresponding to the lever member 5 of the door hinge 3. The panel through-hole 6c is located closer to the vehicle interior than the center of the front end 6b of the door inner panel 6 in the door thickness direction. The door outer panel 7 has a front end portion 7a positioned in front of the door front-rear direction. The front end 6b of the door inner panel 6 and the front end 7a of the door outer panel 7 are joined together, and an internal space 2a of the door 2 is formed between the door inner panel 6 and the door outer panel 7. ing.

  As shown in FIG.2 and FIG.3, the door 2 has the case member 8 arrange | positioned in the internal space 2a. As shown in FIG. 3, the case member 8 is formed with a case through hole 8 a that passes through the lever member 5 of the door hinge 3. The case member 8 has a support portion 8b disposed around the case through hole 8a. The support portion 8b is manufactured using an elastic material. The case member 8 is arranged so that the case through-hole 8a coincides with the panel through-hole 6c of the front end portion 6b of the door inner panel 6. Such a case member 8 is attached to the front end portion 6 b of the door inner panel 6.

  As shown in FIGS. 2 and 3, the door 2 has a guide member 9 disposed behind the case member 8 in the front-rear direction of the door in the internal space 2 a. As shown in FIG. 3, the guide member 9 is formed with a guide through hole 9 a that passes through the lever member 5 of the door hinge 3. The pivot shaft 3a of the door hinge 3 described above, the panel through hole 6c of the front end 6b of the door inner panel 6, the case through hole 8a of the case member 8, and the guide through hole 9a of the guide member 9 are along the door front-rear direction. Are lined up.

  As shown in FIGS. 2 and 3, the door 2 has a tension spring 10 configured as a biasing means for a guide member that biases the guide member 9 in a direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. ing. The tension spring 10 connects the inner end 6 a of the door inner panel 6 and the guide member 9. In the present embodiment, the biasing means for the guide member is the tension spring 10, but the present invention is not limited to this. For example, the biasing means for the guide member may be a leaf spring or the like.

  As shown in FIGS. 2 and 3, the door 2 has a weather strip 11 that protrudes forward from the front end 6 b of the door inner panel 6 in the front-rear direction of the door. The weather strip 11 is made of an elastic material such as rubber. Although not particularly illustrated, the weather strip 11 is arranged along the outer peripheral edge of the door 2. As shown in FIG. 2, the weather strip 11 is located at the center in the door thickness direction of the front end portion 6 b of the door inner panel 6. Therefore, the weather strip 11 is located closer to the vehicle interior in the door thickness direction than the door hinge 3. Such a weather strip 11 is attached to the front end portion 6 b of the door inner panel 6.

  Next, details of the door hinge 3 will be described with reference to FIGS. As shown in FIGS. 2 and 3, the vehicle body side mounting member 4 of the door hinge 3 has a base end portion 4 a disposed along the pillar portion 1 b of the side body inner panel 1 a. Further, the vehicle body side mounting member 4 has a distal end portion 4 b that protrudes from the base end portion 4 a toward the door 2. The base end portion 4a of the vehicle body side mounting member 4 of the door hinge 3 is attached to the pillar portion 1b of the side body inner panel 1a. Specifically, the pillar portion 1b of the side body inner panel 1a and the base end portion 4a of the vehicle body side mounting member 4 of the door hinge 3 are fastened and joined together by fastening means T formed of a combination of bolts and nuts. Yes. In the present embodiment, the pillar portion 1b of the side body inner panel 1a and the base end portion 4a of the vehicle body side mounting member 4 of the door hinge 3 are joined by the fastening means T, but the present invention is limited to this. Not. For example, the pillar portion 1b of the side body inner panel 1a and the base end portion 4a of the vehicle body side mounting member 4 of the door hinge 3 may be joined by welding or the like.

  As shown in FIGS. 2, 4, and 5, the base end of the lever member 5 of the door hinge 3 can be pivoted about the pivot shaft 3 a of the door hinge 3, and the distal end of the vehicle body side mounting member 4 It is attached to 4b. A stopper member 12 that protrudes above and below the vehicle is attached to the tip of the lever member 5 of the door hinge 3.

  As shown in FIGS. 2, 4, and 5, the lever member 5 includes a base end portion 5 a located at the rear side in the front-rear direction of the rotation shaft 3 a of the door hinge 3 and a rear side in the front-rear direction of the door of the base end portion 5 a. The intermediate part 5b located at the front and the front end part 5c located behind the door 5 in the front-rear direction of the intermediate part 5b. As shown in FIGS. 2 and 4, the base end portion 5 a of the lever member 5 is curved so as to protrude in a direction from the outside of the vehicle in the door thickness direction toward the vehicle interior.

  As shown in FIGS. 2 and 4, the intermediate portion 5 b of the lever member 5 is curved so as to protrude from the vehicle interior in the door thickness direction toward the outside of the vehicle. As shown in FIGS. 4 and 5, the thickness of the lever member 5 in the vertical direction increases from the base end portion 5a toward the intermediate portion 5b. An intermediate recess 5d is formed on each of the upper surface and the lower surface of the intermediate portion 5b of the lever member 5 so as to be recessed from the outer side in the thickness direction of the lever member 5 toward the center.

  As shown in FIG.2 and FIG.4, the front-end | tip part 5c of the lever member 5 is curving so that it may protrude in the direction which goes to the vehicle interior from the vehicle thickness direction of a door. As shown in FIGS. 4 and 5, a tip recess 5e is formed on each of the upper surface and the lower surface of the tip 5c of the lever member 5 so as to be recessed from the outer side in the thickness direction of the lever member 5 toward the center. .

  As shown in FIGS. 2 to 4, the lever member 5 is formed with a protrusion 13 that protrudes from the vehicle interior in the door thickness direction to the outside of the vehicle. The protruding amount of the protruding portion 13 increases from the rear in the front-rear direction of the door toward the front, and the protruding portion 13 is formed in a substantially triangular prism shape. Such a protrusion 13 is disposed closer to the rotation shaft 3 a of the door hinge 3 with respect to the longitudinal center of the lever member 5. Moreover, it is preferable that the protrusion 13 is formed so as to extend forward in the door front-rear direction from the door thickness direction maximum protruding area of the intermediate portion 5 b of the lever member 5.

  As shown in FIGS. 2 and 3, such a lever member 5 includes the panel through hole 6 c in the front end portion 6 b of the door inner panel 6 in the door 2, the case through hole 8 a in the case member 8, and the guide of the guide member 9. It is inserted into the through hole 9a. The lever member 5 slides on the support portion 8b of the case member 8 when moving in the front-rear direction of the door. Therefore, the lever member 5 is guided by the case member 8. Such a guide member 9 is biased by the tension spring 10 in the direction from the outside of the vehicle in the door thickness direction toward the vehicle interior, and as a result, the lever member 5 also moves from the outside in the door thickness direction toward the vehicle interior. Will be energized.

  Here, the door opening and closing structure in the closed state of the door 2 will be described. As shown in FIGS. 2 and 3, in the closed state of the door 2, the case member 8 supports the base end portion 5 a of the lever member 5, and the guide member 9 supports the intermediate portion 5 b of the lever member 5. Yes. At this time, the protrusion 13 of the lever member 5 is located between the case member 8 and the guide member 9. As shown in FIG. 3, at least a part of the protrusion 13 of the lever member 5 is inserted into the guide through hole 9 a of the guide member 9. Therefore, the guide member 9 is pushed outward from the vehicle interior in the door thickness direction by the protrusion 13 of the lever member 5 to urge the lever member 5 in the direction from the vehicle exterior to the vehicle interior in the door thickness direction. The force (hereinafter referred to as “the urging force of the lever member 6”) increases. The base end portion 5a of the lever member 5 presses the support portion 8b of the case member 8 in the direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. As shown in FIGS. 2 and 3, the weather strip 11 is sandwiched while being elastically deformed between the pillar portion 1 b of the side body inner panel 1 a of the vehicle body 1 and the front end portion 6 b of the door inner panel 6 of the door 2. It is like that.

  The door opening / closing structure in the intermediate open state between the closed state of the door 2 and the maximum open state described later will be described. Although not particularly illustrated, the case member 8 and the guide member 9 support the intermediate portion 5 b of the lever member 5 in the intermediate open state of the door 2. At this time, the protrusion 13 of the lever member 5 is located in front of the case member 8 in the front-rear direction of the door. Further, the support portion 8b of the case member 8 is engaged with the intermediate recess 5d of the lever member 5, and the door 2 is held in the intermediate open state.

  The door opening / closing structure in the maximum open state of the door 2 will be described. As shown in FIG. 6, the case member 8 and the guide member 9 support the distal end portion 5 c of the lever member 5 in the maximum open state of the door 2. At this time, the protrusion 13 of the lever member 5 is located in front of the case member 8 in the front-rear direction of the door. Further, as shown in FIGS. 4 and 5, the support portion 8 b of the case member 8 is engaged with the tip recess portion 5 e of the lever member 5, and the door 2 is held in the maximum open state. In addition, when the stopper member 12 of the lever member 5 and the case member 8 come into contact with each other, the movement of the lever member 5 is restricted so as to prevent the door 2 from being opened from the maximum open state.

  Next, an operation when a load from the side of the vehicle is applied to the door opening / closing structure in the closed state of the door 2 will be described. As shown in FIG. 7, when a load from the side of the vehicle is applied to the door opening / closing structure in the closed state of the door 2, the load acts against the urging force of the lever member 5. Here, when the load from the side of the vehicle becomes larger than the urging force of the lever member 5, the lever member 5 moves in the door thickness direction from the vehicle interior toward the outside of the vehicle. At this time, the protrusion 13 of the lever member 5 can come into contact with the case member 8 in the front-rear direction of the door so as to prevent the movement of the lever member 5 in the front-rear direction of the door. As a result, the movement of the lever member 5 is hindered, and the door 2 is prevented from opening unintentionally.

  As described above, according to the present embodiment, the lever member 5 is urged together with the guide member 9 in the door thickness direction in the direction from the outside of the vehicle toward the vehicle interior, so that the protrusion 13 of the lever member 5 Since it is maintained in a state where it can pass through the case through-hole 8a smoothly, the door 2 can be smoothly opened and closed between the closed state and the maximum open state. On the other hand, when a load is applied from the side of the vehicle, the load acts against the biasing force of the lever member 5. Here, when the load from the side of the vehicle becomes larger than the urging force of the lever member 5, the lever member 5 moves in the door thickness direction from the vehicle interior toward the outside of the vehicle. At this time, the protrusion 13 of the lever member 5 can come into contact with the case member 8 in the front-rear direction of the door so as to prevent the movement of the lever member 5 in the front-rear direction of the door. As a result, when the door 2 starts to open after the closed state of the door 2 is released unintentionally, the door 2 is prevented from opening more than the closed state. Therefore, it is possible to prevent the door 2 from being unintentionally opened when a load is applied from the side of the vehicle.

  According to this embodiment, the protrusion amount of the protrusion 13 of the lever member 5 increases from the rear in the front-rear direction of the door toward the front, and a part of the protrusion 13 is guided in the closed state of the door 2. The member 9 is inserted into the guide through hole 9a. Therefore, since the protrusion 13 can be smoothly inserted into the guide through hole 9a of the guide member 9, the door 2 can be smoothly opened and closed between the closed state and the maximum open state. Further, when the door 2 is closed, the guide member 9 is pushed by the projection 13 of the lever member 5 from the vehicle interior in the door thickness direction toward the outside of the vehicle, and the biasing force of the lever member 5 increases. The closed state of 2 is easily maintained stably. On the other hand, when the door 2 starts to open after the closed state of the door 2 is unintentionally released, the lever member 5 can easily move from the vehicle interior to the vehicle exterior in the door thickness direction, It will be urged to prevent the door 2 from opening more than the closed position. Therefore, it is possible to reliably prevent the door 2 from being unintentionally opened when a load is applied from the side of the vehicle.

[Second Embodiment]
A vehicle side door opening / closing structure (hereinafter referred to as a “door opening / closing structure”) according to a second embodiment of the present invention will be described below. As shown in FIG. 8, the vehicle has a side body inner panel 21a of a vehicle body 21 configured in the same manner as the side body inner panel 1a of the vehicle body 1 of the first embodiment. The side body inner panel 21a has a pillar portion 21b configured similarly to the pillar portion 1b of the first embodiment. Further, the vehicle has a vehicle side door (hereinafter referred to as “door”) 22 disposed on a side portion of the vehicle in the vehicle width direction.

  As shown in FIG. 8, the vehicle includes a door hinge 23 configured to pivotably attach the door 22 to the pillar portion 21 b of the side body inner panel 21 a of the vehicle body 21. The door hinge 23 is disposed in front of the door 22 in the front-rear direction of the door. The door hinge 23 is disposed in front of the door 22 in the front-rear direction of the door. As shown in FIGS. 8 and 9, the door hinge 23 has a pivot shaft 23a extending in the vertical direction. As shown in FIG. 8, the door hinge 23 includes a vehicle body side mounting member 24 that protrudes from the pillar portion 21b of the side body inner panel 21a toward the rotation shaft 23a, and a lever member that extends from the rotation shaft 23a toward the door 22. 25. Therefore, the lever member 25 can be rotated around the rotation shaft 23 a with respect to the vehicle body side mounting portion 24. The pillar portion 21b of the side body inner panel 21a of the vehicle body 21 and the door 22 are connected via the door hinge 23, and the door 22 rotates about the rotation shaft 23a of the door hinge 23 positioned in front of the door 22. It is possible.

  Here, details of the door 22 will be described with reference to FIGS. 8 and 9. As shown in FIG. 8, the door 22 includes a door inner panel 26 and a door outer panel 27 configured in the same manner as the door inner panel 6 and the door outer panel 7 of the first embodiment. The door inner panel 26 includes an inner end portion 26a, a front end portion 26b, and a panel through hole 26c configured in the same manner as the inner end portion 6a, the front end portion 6b, and the panel through hole 6c of the first embodiment. ing. The door outer panel 27 has a front end portion 7a configured similarly to the first embodiment. An internal space 22 a of the door 22 is formed between the door inner panel 26 and the door outer panel 27.

  As shown in FIGS. 8 and 9, the door 22 has a case member 28 configured in the same manner as the case member 8 of the first embodiment. As shown in FIG. 9, the case member 28 has a case through hole 28a and a support portion 28b that are configured in the same manner as the case through hole 8a and the support portion 8b of the first embodiment.

  As shown in FIGS. 8 and 9, the door 22 has a weather strip 29 configured in the same manner as the weather strip 11 of the first embodiment.

  Next, details of the door hinge 23 will be described with reference to FIGS. 8 and 9. As shown in FIG.8 and FIG.9, the vehicle body side attaching member 24 of the door hinge 23 is comprised similarly to the vehicle body side attaching member 4 of the door hinge 3 of 1st Embodiment. The vehicle body side mounting member 24 has a base end part 24a and a front end part 24b configured in the same manner as the base end part 4a and the front end part 4b of the first embodiment. The pillar portion 21b of the side body inner panel 21a and the base end portion 24a of the vehicle body side mounting member 24 of the door hinge 23 are joined to the pillar portion 1b of the side body inner panel 1a and the vehicle body side mounting member of the door hinge 3 in the first embodiment. 4 is similar to the joining to the base end 4a.

  As shown in FIG. 8, the base end of the lever member 25 of the door hinge 23 is attached to the distal end portion 24 b of the vehicle body side attachment member 24 so as to be rotatable about the rotation shaft 23 a of the door hinge 23. A stopper member 30 protruding upward and downward is attached to the tip of the lever member 25 of the door hinge 23.

  As shown in FIG. 8, the lever member 25 includes a base end portion 25 a located at the rear side in the door front-rear direction of the rotation shaft 23 a of the door hinge 23, and an intermediate portion 25 b located behind the base end portion 25 a in the front-rear direction of the door. The intermediate portion 25b has a front end portion 25c positioned on the rear side in the front-rear direction of the door. The base end portion 25a of the lever member 25 is curved so as to protrude in a direction from the outside of the vehicle in the door thickness direction toward the vehicle interior.

  As shown in FIG. 8, the intermediate portion 25 b of the lever member 25 is curved so as to protrude from the vehicle interior in the door thickness direction toward the outside of the vehicle. Although not particularly illustrated, the thickness in the vertical direction of the lever member 25 increases from the base end portion 25a toward the intermediate portion 25b, as with the lever member 5 of the first embodiment. As shown in FIG. 8 again, similarly to the intermediate recess 5d of the first embodiment, the upper surface and the lower surface of the intermediate portion 25b of the lever member 25 are recessed from the outer side in the thickness direction of the lever member 25 toward the center. Thus, an intermediate recess 25d is formed.

  As shown in FIG. 8, the distal end portion 25c of the lever member 25 is curved so as to protrude in a direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. Similarly to the tip recess portion 5e of the first embodiment, a tip recess portion 25e is formed on each of the upper surface and the lower surface of the tip portion 25c of the lever member 25 so as to be recessed from the thickness direction outer side toward the center. ing.

  As shown in FIGS. 8 and 9, the door 22 has a protruding member 31 that is incorporated into the lever member 25. As shown in FIG. 9, the protruding member 31 is formed in a substantially piston shape. The projecting member 31 has a head portion 31a positioned closer to the vehicle interior in the door thickness direction, and a pin portion 31b protruding from the head portion 31a in the door thickness direction toward the outside of the vehicle interior. . As shown in FIGS. 8 and 9, the lever member 25 is formed with a head accommodating portion 32 as a space that can accommodate the head 31 a of the protruding member 31. Further, the lever member 25 is formed with a pin insertion hole 33 penetrating from the vehicle interior in the door thickness direction toward the outside of the vehicle so as to communicate the outside of the lever member 25 with the head housing portion 32. The pin portion insertion hole 33 is formed so that the pin portion 31b of the protruding member 31 can be inserted. As shown in FIG. 8, the head accommodating portion 32 and the pin portion insertion hole 33 are disposed closer to the rotation shaft 23 a of the door hinge 23 with respect to the longitudinal center of the lever member 25. In such a configuration, the head portion 31 a of the protruding member 31 is accommodated in the head accommodating portion 32 of the lever member 25, and the pin portion 31 b of the protruding member 31 is inserted into the pin portion insertion hole 33 of the lever member 25.

  As shown in FIGS. 8 and 9, the door 22 has a compression coil spring 34 as a protruding member urging means for urging the protruding member 31 in the direction of the door thickness from the outside of the vehicle toward the vehicle interior. As shown in FIG. 9, the compression coil spring 34 has a pin portion 31 b of the projection member 31 on the outside of the door in the door thickness direction with respect to the head portion 31 a of the projection member 31 in the head housing portion 32 of the lever member 25. It is arranged around. Each of the longitudinal ends of the compression coil spring 34 is in contact with the intermediate portion 25b of the lever member 25 and the head portion 31a of the protruding member 31. In the initial state of the projecting member 31 urged by the compression coil spring 34, the entire pin portion 31 b of the projecting member 31 is accommodated in the lever member 25. In this embodiment, the protruding member biasing means is the compression coil spring 34, but the present invention is not limited to this. For example, the biasing means for the guide member may be a leaf spring or the like. Further, the protruding member biasing means may be a tension spring. In this case, the tension spring has a door thickness with respect to the head portion 31 a of the protruding member 31 in the head housing portion 32 of the lever member 25. It is arrange | positioned near the vehicle interior of a direction, and the intermediate part 25b of the lever member 25 and the head part 31a of the projection member 31 may be connected.

  As shown in FIGS. 8 and 9, such a lever member 25 is provided with a panel through hole 26 c in the front end portion 26 b of the door inner panel 26 in the door 22, a case through hole 28 a in the case member 28, and a guide for the guide member 29. It is inserted into the through hole 29a. The lever member 25 slides on the support portion 28b of the case member 28 when moving in the front-rear direction of the door. Therefore, the lever member 25 is guided by the case member 28.

  Here, the door opening and closing structure in the closed state of the door 22 will be described. As shown in FIGS. 8 and 9, the case member 28 supports the base end portion 25 a of the lever member 25 in the closed state of the door 22. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is located behind the case member 28 in the door front-rear direction. Further, as shown in FIG. 9, the base end portion 25 a of the lever member 25 presses the support portion 28 b of the case member 28 in a direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. As shown in FIGS. 8 and 9, the weather strip 29 is sandwiched between the pillar portion 21 b of the side body inner panel 21 a of the vehicle body 21 and the front end portion 26 b of the door inner panel 26 of the door 22 while being elastically deformed. It is like that.

  The door opening / closing structure in the intermediate open state between the closed state of the door 22 and the maximum open state described later will be described. Although not particularly illustrated, the case member 28 supports the intermediate portion 25 b of the lever member 25 in the intermediate open state of the door 22. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is positioned in front of the case member 28 in the front-rear direction of the door. Further, the support portion 28b of the case member 28 is engaged with the intermediate recess 25d of the lever member 25, and the door 22 is held in the intermediate open state.

  The door opening / closing structure in the maximum open state of the door 22 will be described. Although not particularly illustrated, the case member 28 supports the distal end portion 25 c of the lever member 5 in the maximum open state of the door 22. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is positioned in front of the case member 28 in the front-rear direction of the door. Furthermore, the support portion 28b of the case member 28 is engaged with the tip recess 25e of the lever member 25, and the door 22 is held in the maximum open state. In addition, when the stopper member 30 of the lever member 25 and the case member 28 come into contact with each other, the movement of the lever member 25 is regulated so as to prevent the door 22 from being opened from the maximum open state.

  Next, an operation when a load from the side of the vehicle is applied to the door opening / closing structure in the closed state of the door 22 will be described. As shown in FIG. 10, when a load from the side of the vehicle is applied to the door opening / closing structure when the door 22 is closed, the load moves the protruding member 31 in the direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. It acts against an urging force (hereinafter referred to as “the urging force of the protruding member 31”). Here, when the load from the side of the vehicle becomes larger than the urging force of the protruding member 31, the pin portion 31b of the protruding member 31 protrudes from the lever member 25 toward the outside of the door in the door thickness direction. At this time, the pin portion 31b of the protruding member 31 can come into contact with the case member 28 in the front-rear direction of the door so as to prevent the lever member 25 from moving in the front-rear direction of the door.

  As described above, according to the present embodiment, the protrusion member 31 is normally biased in the direction from the outside of the vehicle toward the vehicle interior in the door thickness direction, and the entire pin portion 31b of the protrusion member 31 is accommodated in the lever member 25. Has been. As a result, the lever member 25 is maintained in a state where it can smoothly pass through the case through hole 28a of the case member 28 together with the protruding member 31, so that the door 22 can be smoothly opened and closed between the closed state and the maximum open state. Yes. On the other hand, when a load is applied from the side of the vehicle, the load acts against the urging force of the protruding member 31. Here, when the load becomes larger than the urging force of the protruding member 31 from the side of the vehicle, the protruding member 31 moves from the vehicle interior to the outside of the vehicle in the door thickness direction. At this time, the pin portion 31b of the protruding member 31 can come into contact with the case member 28 in the door front-rear direction so as to prevent the lever member 25 from moving in the door front-rear direction. As a result, when the door 22 starts to open after the closed state of the door 22 is unintentionally released, the door 22 is prevented from opening more than the position closer to the closed state. Therefore, the door 22 can be prevented from being unintentionally opened when a load is applied from the side of the vehicle.

[Third Embodiment]
A vehicle side door opening / closing structure (hereinafter referred to as a “door opening / closing structure”) according to a third embodiment of the present invention will be described below. As shown in FIG. 11, the door opening / closing structure according to this embodiment has a structure in which the guide member 9 and the tension spring 10 of the first embodiment are adopted in the door opening / closing structure of the second embodiment. In the present embodiment, a part of the pin portion 31 b of the protruding member 31 protrudes from the lever member 25 in the initial state of the protruding member 33 biased by the compression coil spring 34. The protruding amount of the pin portion 31b is set so that the pin portion 31b of the protruding member 31 can smoothly pass through the case through hole 28a of the case member 28.

  Here, the door opening and closing structure in the closed state of the door 22 will be described. As shown in FIG. 11, in the closed state of the door 22, the case member 28 supports the base end portion 25 a of the lever member 25, and the guide member 9 supports the intermediate portion 25 b of the lever member 25. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is located between the guide member 9 and the case member 28. Further, the base end portion 25a of the lever member 25 presses the support portion 28b of the case member 28 in the direction from the outside of the vehicle in the door thickness direction toward the vehicle interior. The guide member 9 supports the intermediate portion 25 b of the lever member 25. The weather strip 29 is sandwiched while being elastically deformed between the pillar portion 21 b of the side body inner panel 21 a of the vehicle body 21 and the front end portion 26 b of the door inner panel 26 of the door 22.

  The door opening / closing structure in the intermediate open state between the closed state of the door 22 and the maximum open state described later will be described. Although not particularly illustrated, the guide member 9 and the case member 28 support the intermediate portion 25 b of the lever member 25 in the intermediate open state of the door 22. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is positioned in front of the case member 28 in the front-rear direction of the door. Further, the support portion 28b of the case member 28 is engaged with the intermediate recess 25d of the lever member 25, and the door 22 is held in the intermediate open state.

  The door opening / closing structure in the maximum open state of the door 22 will be described. Although not particularly illustrated, the guide member 9 and the case member 28 support the distal end portion 25 c of the lever member 5 in the maximum open state of the door 22. At this time, the pin portion 31 b of the protruding member 31 incorporated in the lever member 25 is positioned in front of the case member 28 in the front-rear direction of the door. Furthermore, the support portion 28b of the case member 28 is engaged with the tip recess 25e of the lever member 25, and the door 22 is held in the maximum open state. In addition, when the stopper member 30 of the lever member 25 and the case member 28 come into contact with each other, the movement of the lever member 25 is regulated so as to prevent the door 22 from being opened from the maximum open state.

  Next, an operation when a load from the side of the vehicle is applied to the door opening / closing structure in the closed state of the door 22 will be described. When a load from the side of the vehicle is applied to the door opening / closing structure in the closed state of the door 22, the load urges the lever member 25 in a direction toward the vehicle interior from the outside of the vehicle in the door thickness direction (hereinafter, Acting on the lever member 25 (referred to as the “protruding member 31” hereinafter) and the load biasing the projecting member 31 in the direction of the door thickness from the outside of the vehicle toward the vehicle interior. It works against the energizing force. Here, when the load from the side of the vehicle becomes larger than the urging force of the lever member 5, the lever member 5 moves in the door thickness direction from the vehicle interior toward the outside of the vehicle. When the load from the side of the vehicle becomes larger than the urging force of the protruding member 31, the pin portion 31b of the protruding member 31 protrudes from the lever member 25 toward the outside of the door in the door thickness direction. At this time, the pin portion 31b of the protruding member 31 can come into contact with the case member 28 in the front-rear direction of the door so as to prevent the lever member 25 from moving in the front-rear direction of the door.

  As described above, according to the present embodiment, at the normal time, the lever member 25 is further urged together with the guide member 9 in the door thickness direction from the outside of the vehicle toward the vehicle interior, and the pin portion 31b of the protruding member 31 moves to the lever member 25. The amount that protrudes from is less. As a result, the pin portion 31b of the protruding member 31 is maintained in a state where it can smoothly pass through the case through hole 28a of the case member 28, so that the door 22 can be opened and closed more smoothly between the closed state and the maximum open state. ing. On the other hand, when a load is applied from the side of the vehicle, the load acts against the urging force of the lever member 25, and the load acts against the urging force of the protruding member 31. Here, when the load from the side of the vehicle becomes larger than the urging force of the lever member 25, the lever member 25 moves in a direction from the vehicle interior to the vehicle exterior in the door thickness direction. When the load from the side of the vehicle becomes larger than the urging force of the protruding member 31, the pin portion 31b of the protruding member 31 protrudes from the lever member 25 toward the outside of the door in the door thickness direction. At this time, the pin portion 31b of the protruding member 31 can come into contact with the case member 28 in the front-rear direction of the door so as to prevent the lever member 25 from moving in the front-rear direction of the door. As a result, when the door 22 starts to open after the closed state of the door 22 is unintentionally released, the door 22 is prevented from opening more than the position closer to the closed state. Therefore, it is possible to reliably prevent the door 22 from being unintentionally opened when a load is applied from the side of the vehicle.

  Although the embodiments of the present invention have been described so far, the present invention is not limited to the above-described embodiments. The present invention can be variously modified and changed based on its technical idea.

1,21 Car body 2,22 Side door (door)
3, 23 Door hinges 5, 25 Lever member 8, 28 Case member 8a, 28a Case through hole 9 Guide member 9a Guide through hole 10 Tension spring 13 Protruding part 31 Protruding member 31b Pin part 34 Compression coil spring T Fastening means

Claims (4)

A side door disposed on a side of the vehicle in the vehicle width direction;
A door hinge arranged in front of the side door in the front-rear direction and configured to pivotably attach the side door to a vehicle body,
The side door has a case member disposed therein,
The door hinge has a lever member extending from the pivot shaft toward the inside of the side door;
The lever member is configured to be opened and closed for a vehicle side door configured to be guided by the case member,
The side door has a guide member arranged with a space behind the door member in the front-rear direction with respect to the case member inside the side door,
In each of the case member and the guide member, a case through hole and a guide through hole penetrating corresponding to the lever member are formed,
The lever member is formed with a protrusion protruding in the direction from the vehicle interior to the vehicle exterior in the door thickness direction,
The lever member is inserted into the case through hole and the guide through hole so that the protrusion is positioned between the case member and the guide member in the closed state of the side door,
An opening / closing structure for a vehicle side door, wherein the guide member is urged by a guide member urging means in a direction from the outside of the vehicle toward the vehicle interior in the door thickness direction. The amount of protrusion of the protrusion of the lever member increases from the rear in the front-rear direction of the door toward the front,
The vehicle side door opening / closing structure according to claim 1, wherein a part of the protrusion is inserted into a guide through hole of the guide member in a closed state of the side door. A side door disposed on a side of the vehicle in the vehicle width direction;
A door hinge arranged in front of the side door in the front-rear direction and configured to pivotably attach the side door to a vehicle body,
The side door has a case member disposed therein,
The door hinge has a lever member extending from the pivot shaft toward the inside of the side door;
The lever member is configured to be opened and closed for a vehicle side door configured to be guided by the case member,
The side door has a protruding member that is incorporated into the lever member in a movable state in the door thickness direction,
The protruding member has a pin portion configured to be able to protrude from the lever member in a direction toward the outside of the vehicle from the passenger compartment in the door thickness direction,
A case through hole penetrating the case member corresponding to the lever member is formed,
The lever member is inserted into the case through-hole so that the pin portion is located behind the case member in the door front-rear direction in the closed state of the side door,
An opening / closing structure for a vehicle side door, wherein the protruding member is urged by a protruding member urging means in a direction from the outside of the vehicle toward the vehicle interior in the door thickness direction. The side door has a guide member disposed with a space behind the case member in the front-rear direction of the door,
In the guide member, a guide through-hole penetrating in the front-rear direction of the door corresponding to the lever member is formed,
In the initial state of the protruding member biased by the protruding member biasing means, a part of the pin portion protrudes from the lever member,
The lever member is further inserted into the guide through hole so that the pin portion is positioned forward of the guide member in the front-rear direction of the door,
The opening / closing structure of the vehicle side door according to claim 3, wherein the guide member is urged by a guide member urging means in a direction from the outside of the vehicle toward the vehicle interior in the door thickness direction.

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