JP5210670B2 - Engagement structure and automotive interior member provided with the same - Google Patents

Description

  The present invention relates to an engagement structure and an automotive interior member provided with the engagement structure.

  For example, a door trim pocket for storing drinks may be provided in a resin door trim of an automobile interior member. For this door trim pocket, a part of the door trim that protrudes from the inside of the vehicle is provided, and a plate-like panel member may be installed on the back surface of the door trim. At this time, the door trim of the first engagement member and the panel member of the second engagement member are fixed by heat welding, tapping screws or the like, or a hole provided on one side and a locking claw provided on the other side It is common to carry out by engaging a part.

As an engagement structure provided with a hole and a locking claw, for example, an engagement structure shown in FIG. 7 has been proposed (Patent Document 1). In this patent document, an engagement structure between the door trim 30 and the resin panel member 50 is disclosed. The door trim 30 is provided with a lock arm 41 in which a locking claw portion 43 is disposed at the tip. The locking claw 43 is inserted into the hole 52 provided in the panel member 50 and the opening edge 52D of the hole 52 and the locking claw 43 are engaged with each other, so that the panel member 50 is held with respect to the door trim 30. It is possible. According to this engagement structure, the locking claw is press-fitted into a hole narrower than its thickness, and the locking claw is engaged with the opening edge of the hole so that the door trim and the resin panel are securely connected. Engagement is possible.
JP 2005-98496 A

  However, when press-fitting the locking claw portion into the hole narrower than the thickness of the locking claw portion, it is necessary to apply a relatively large force from the outside, and it is difficult to say that workability is good. Furthermore, relative movement in the press-fitting direction between the first engaging member and the second engaging member due to the presence of the engaging claw portion with respect to the force applied in the direction in which the engaging claw portion is press-fitted. Can be regulated. However, in this engagement structure, relative movement between the engagement members cannot be restricted with respect to a force applied in the direction perpendicular to the press-fitting direction and in the longitudinal direction of the hole.

  The present invention has been made in view of the above circumstances, and has an engagement structure that does not require heat welding or screwing, and can easily connect the first engagement member and the second engagement member with easy work. It is an object of the present invention to provide an engagement structure that can be engaged with a vehicle, and an automobile interior member including the same.

Engaging structure of one embodiment of the present invention, there is provided a first engagement member having a plate-like projection projecting from said plate and the flat plate portion, the protruding portion is inclined in an out-of-plane direction of its on one side the locking claw portion that protrudes, a first engagement member obtain Bei the drawn-in through holes or recesses formed in the out-of-plane direction of that on the other side, the plate-shaped second with a hole The engaging member has a lock mechanism that is displaceable in an out-of-plane direction of the second engagement member, and the lock mechanism includes a convex portion protruding in an in-plane direction of the second engagement member. A second engaging member, and the convex portion of the second engaging member faces the convex portion of the hole while the locking mechanism is displaced in the out-of-plane direction. When the engaging claw is inserted into the hole so as to engage with the peripheral edge, the engaging claw is fitted into the recess or the through hole of the first engaging member.

  An automobile interior member of one embodiment of the present invention includes the above-described engagement structure.

  According to the present invention, the locking claw portion is provided on one surface of the protruding portion of the first engagement member, and protrudes inclining in the out-of-plane direction of the first engagement member. Thereby, when inserting the engaging claw part of the first engaging member into the hole part of the second engaging member, the contact between the engaging claw part and the peripheral part of the hole part is alleviated. Thereby, engagement with the 1st engaging member and the 2nd engaging member can be made smooth. Therefore, workability can be improved in the engagement of both engaging members. Further, according to the present invention, after the engaging claw portion of the first engaging member is inserted into the hole portion of the second engaging member, the convex portion of the second engaging member is the first engaging member. It fits into the recess or through hole. Therefore, the engagement of the locking claw portion of the first engagement member and the peripheral edge portion of the hole portion of the second engagement member causes both of the second engagement member in the insertion direction to the first engagement member. The relative movement between the engaging members is restricted. Furthermore, in the direction orthogonal to the insertion direction of the second engagement member with respect to the first engagement member by fitting the recess or the through hole of the first engagement member with the projection of the second engagement member. The relative movement between both engaging members is also restricted. Therefore, the engagement between the first engagement member and the second engagement member can be strengthened. In addition, according to the present invention, since the engagement structure is based on the structural features of both the engagement members, that is, the concave portion or the through hole of the first engagement member and the convex portion of the second engagement member, Supply of the fixing means for both engaging members from the outside of the member becomes unnecessary. Therefore, an engagement structure that does not require heat welding or screwing, and an engagement structure that can firmly engage the first engagement member and the second engagement member with an easy operation, and the same are provided. An interior member for an automobile can be provided.

  The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a pre-engagement state between a door trim 1 that is a first engagement member and a panel member 2 that is a second engagement member that constitute an engagement structure according to an embodiment of the present invention. Indicates. FIG. 1 is a view of the door trim 1 as seen from the back side with respect to the design surface inside the automobile. The door trim 1 and the panel member 2 are used as automobile interior members.

  The door trim 1 is formed in a substantially plate shape having raised shapes such as a pocket portion 3 and an armrest (not shown). The material of the door trim 1 is preferably made of a thermoplastic resin such as PP (polypropylene) or ABS (acrylonitrile butadiene styrene), and is preferably formed by injection molding. A pocket portion 3 for a passenger to store a drink or the like is formed on a part of the door trim 1 so as to protrude in the direction of the design surface, which is the interior of the automobile. A plurality of protruding portions 10 are provided around the opening formed for the pocket portion 3 so as to protrude in a direction substantially orthogonal to the surface of the plate-shaped door trim 1.

  The panel member 2 is a plate-like member attached to the door trim 1. In addition, regarding the shape of the panel member 2, although shown in flat form in FIG. 3, it is not limited to this shape. That is, any shape other than a flat plate shape can be applied to the panel member 2 as long as the panel member 2 can be engaged with the door trim 1. The material of the panel member 2 is preferably made of a thermoplastic resin like the door trim 1, and is preferably formed by injection molding like the door trim 1. A plurality of hole portions 20 are formed in the panel member 2 so as to follow the outer peripheral shape of the panel member. Each hole 20 is a rectangular hole. As an example of the size of the hole 20, it is preferable that the long side is 3 to 50 mm and the short side is 1 to 15 mm. The size of the hole 20 corresponds to the size of the protrusion 10 described in detail later.

  When fixing the door trim 1 and the panel member 2, the protrusion part 10 and the hole part 20 are each arrange | positioned in the position which respond | corresponds. And the door trim 1 and the panel member 2 are fixed by engaging the protrusion part 10 and the hole part 20, respectively.

  Next, the door trim 1 will be described in detail. FIG. 2 shows a front view and a perspective view showing details of the periphery of the protrusion 10 of the door trim 1. The door trim 1 includes a flat plate portion 15, a protruding portion 10, a locking claw portion 11, and a concave portion 13.

  The protruding portion 10 is provided so as to extend from the flat plate portion 15 in a direction substantially orthogonal to the surface of the flat plate portion 15. The protruding portion 10 has a rectangular parallelepiped shape, and a locking claw portion 11 protruding in the out-of-plane direction of the protruding portion 10 is provided on one surface in the vicinity of the tip thereof.

The locking claw portion 11 is formed in a guide inclined wall shape whose thickness decreases from the base of the protruding portion 10 toward the tip. Since the locking claw portion 11 is formed to be inclined in the out-of-plane direction of the protruding portion 10, the protruding portion 10 can be easily attached to the hole portion 20. One end surface of the locking claw portion 11 is inclined with respect to the surface of the protruding portion 10, and forms an obtuse angle with the guide inclined wall. The one end surface forms a locking surface 14 that is a surface perpendicular to the protruding direction of the protruding portion 10 protruding from the surface of the door trim 1. When the protruding surface 10 is inserted into the hole 20, the locking surface 14 comes into contact with the peripheral edge 25 of the hole 20 of the panel member 2, so that the protruding portion 10 is locked to the hole 20. As the size of the protrusion 10, it is preferable that the height is 5 to 30 mm, the thickness is 0.5 to 3 mm, and the width is 3 to 30 mm. Moreover, it is preferable that the thickness of the latching claw part 11 is 1-8 mm. As described above, in the door trim having the engagement structure according to the present embodiment, the locking claw portion is provided on one surface, and protrudes inclining in the out-of-plane direction of the first engagement member. Thereby, when inserting the engaging claw part of the first engaging member into the hole part of the second engaging member, the contact between the engaging claw part and the peripheral part of the hole part is alleviated. Thereby, engagement with the 1st engaging member and the 2nd engaging member can be made smooth. Therefore, workability can be improved in the engagement of both engaging members.
The concave portion 13 is provided on the side located on the other surface which is the back surface 12 with respect to the surface on which the locking claw portion 11 is provided. The concave portion 13 is drawn in the out-of-plane direction of the protruding portion 10 and can be fitted to the convex portion 22 provided in the hole portion 20 described in detail later. In addition, regarding the recessed part 13, it is not limited to the form of a hole as shown in FIG. That is, the recess 13 may be a through-hole penetrating from the back surface 12 to the surface on which the locking claw portion 11 is provided. The concave portion 13 shown in FIG. 2 is rectangular, but is not limited to this shape, and may have any shape as long as it can be fitted to the convex portion 22. The size of the recess 13 is preferably 0.3 to 5 mm in both height and width. However, the size and depth of the recess 13 are not limited as long as the recess 13 can be fitted to the protrusion 22. Furthermore, although the two recessed parts 13 are provided in FIG. 2, this should just correspond to the number of the convex parts 22 mentioned later, and is not limited to the number of these two.

Next, the hole 20 of the panel member 2 will be described in detail. FIG. 3 is a perspective view showing details of the periphery of the hole 20. The hole 20 is a rectangular opening and includes a lock mechanism 21. In addition, it is preferable that a long side is 3-50 mm as a size of the hole part 20, and it is preferable that a short side is 1-15 mm. The lock mechanism 21 includes a convex portion 22, a notch portion 23, and an elastic portion 24. The lock mechanism 21 is formed in a rectangular shape and is connected to the panel member 2 at the notch 23. In addition, it is preferable that a long side is 3-40 mm as a size of the locking mechanism 21, and it is preferable that a short side is 0-10 mm.
The convex portion 22 is plate-shaped and protrudes in the in-plane direction of the panel member 2 from one side of the elastic portion 24 of the lock mechanism 21. The protrusion amount of the convex portion 22 is preferably 0.3 to 2.5 mm. Furthermore, although two convex portions 22 are provided in FIG. 3, the number is not limited and may be one or three or more. When the locking claw 11 is inserted into the hole 20 so that the locking claw 11 of the door trim 1 engages with the peripheral edge 25 facing the convex 22 of the hole 20, the door trim 1 It is made to engage with the recess 13.

  The notch portion 23 is provided on the other peripheral portion facing the peripheral portion 25 of the hole portion 20 (broken line portion in FIG. 3), and functions as an elastic deformation axis of the lock mechanism 21. The lock mechanism 21 is disposed in the hole 20 in the order of the notch 23, the elastic part 24, and the protrusion 22 along the in-plane direction of the panel member 2, and protrudes in a direction to close the hole 20. Is provided. In the present embodiment, the notch 23 is formed by making a part of the panel member 2 thin. However, the notch 23 is not limited to this form, and may have a shape that functions as an elastic deformation axis of the lock mechanism 21. Further, the notch 23 may be replaced by another component having this function. This alternative component may be molded as a separate part from the panel member 2, and in this case, the panel member and the alternative component may be fixed by a fastening element such as a hinge. In the conventional engagement structure between the door panel and the panel member, the engagement claw portion may be damaged if a concentrated load is applied to the engagement claw portion of the door panel when the both engagement members are engaged. there were. On the other hand, in this embodiment, since the notch portion is provided in the panel member, the lock mechanism can be elastically deformed, so that the load applied to the engaging claw portion of the door panel can be reduced. Thereby, in the engagement structure according to the embodiment of the present invention, it is possible to avoid the risk of breakage of the engagement claw due to the presence of the notch. Thereby, the improvement of the reliability of an engaging claw part and the improvement of the efficiency of workability | operativity are attained.

  FIG. 4 is a perspective view showing a state in which the door trim 1 and the panel member 2 are engaged. Furthermore, FIG. 5 shows a VV cross-sectional view of FIG. In FIG. 4, a gap is formed between the door trim 1 and the panel member 2. This gap is due to the fact that a not-shown rib or the like is provided between the door trim 1 and the panel member 2 so that a certain interval is provided between both members.

  Next, a method for fixing the door trim 1 and the panel member 2 will be described with reference to FIGS. First, the panel member 2 is moved toward the door trim 1 from above in FIG. Thereafter, the locking mechanism 21 of the panel member 2 is pushed by the protruding portion 10 of the door trim 1, and the protruding portion 10 is inserted into the hole portion 20 while bending the locking mechanism 21 about the notch portion 23 as an axis. Then, when the locking surface 14 of the locking claw portion 11 comes into contact with the peripheral edge 25 of the hole 20 of the panel member 2, the convex portion 22 is fitted with the concave portion 13. Furthermore, the lock mechanism 21 is elastically deformed with the notch 23 as an axis, and returns to the state before being bent by its own restoring force. In this way, the engagement between the door trim 1 and the panel member 2 is completed, and both members are fixed. In a state where this engagement is completed, the convex portion 22 of the panel member 2 is located in the concave portion 13 of the door trim 1. Thereby, for example, even if an external force acts on the locking claw portion 11 in the left-right direction in FIG. 4, the movement of the protruding portion 10 of the door trim 1 is restricted by the presence of the convex portion 22 of the panel member 2. Elastic deformation of the door trim 1 in the left-right direction in FIG. 4 can be prevented.

  As described above, the engagement between the engaging claw portion of the door panel as the first engaging member and the peripheral edge portion of the hole portion of the panel member as the second engaging member causes the coupling of the panel member in the insertion direction with respect to the door panel. The relative movement between the joint members is restricted. Furthermore, the relative movement between the engaging members in the direction orthogonal to the insertion direction of the panel member with respect to the door panel is also restricted by the fitting of the concave portion or the through hole of the door panel with the convex portion of the panel member. Therefore, the engagement between the first engagement member and the second engagement member can be strengthened. Further, since the engagement structure is based on the structural features of the engagement members such as the recess or through hole of the door panel and the projection of the panel member, it is not necessary to supply fixing means for both engagement members from the outside of both engagement members. It becomes. Therefore, it is possible to eliminate the need for heat welding and screwing that are necessary for the engagement between the two engaging members.

  FIG. 6 is a perspective view of a panel member 2 having a hole 20 as a modification of the panel member 2 of the present invention. The panel member 2 of the present modification is different from the above-described embodiment only in that the lock mechanism 21 is composed of a convex portion 22 and a notch portion 23. The notch part 23 which is a connection part of the convex part 22 and the hole part 20 can be made thin like the notch part of the above-mentioned embodiment. By configuring the lock mechanism only with the convex part and the notch part, the lock mechanism can be miniaturized. Therefore, it is possible to reduce the size of the panel member including the lock mechanism, and it is possible to provide panel members having various sizes according to the application.

It is a perspective view of a door trim and a panel member concerning one embodiment of the present invention. It is the front view and perspective view which show the detail of the door trim of FIG. It is a perspective view which shows the detail of the periphery of the hole of the panel member of FIG. It is a perspective view which shows the engagement structure of the state which the door trim and panel member which concern on one Embodiment of this invention engaged. It is VV sectional drawing of the engagement structure of FIG. It is a perspective view which shows the modification of the panel member which concerns on one Embodiment of this invention. It is a perspective view which shows the conventional engagement structure of a door trim and resin-made panel members.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door trim 2 Panel member 10 Protruding part 11 Locking claw part 13 Recessed part 14 Locking surface 20 Hole part 21 Locking mechanism 22 Protruding part 23 Notch part 25 Peripheral part

Claims (3)

A first engagement member having a flat plate portion and the flat plate portion from projecting plate-like projecting portion, the projecting portion is one of the engaging claw portion projecting inclined in an out-of-plane direction of the projecting portion the surface, the first engagement member obtain Bei the drawn-in through holes or recesses formed in the surface outside direction of the projecting portion on the other surface,
A plate-like second engagement member provided with a hole, wherein the hole has a lock mechanism that is displaceable in an out-of-plane direction of the second engagement member, and the lock mechanism is the second engagement member . A second engaging member comprising a convex portion protruding in the in-plane direction of the engaging member;
Have
The convex portion of the second engaging member is configured such that the locking claw portion engages with a peripheral edge portion of the hole portion facing the convex portion while the locking mechanism is displaced in the out-of-plane direction. When the locking claw portion is inserted into the hole portion, the engaging claw portion is adapted to be fitted to the concave portion or the through hole of the first engagement member.
Engagement structure. The locking mechanism has a cutout portion provided in another peripheral portion facing the peripheral portion,
The lock mechanism has elasticity so as to be deformed around the notch.
The engagement structure according to claim 1.   The interior member for motor vehicles provided with the engagement structure of Claim 1 or 2.

Images