JP5425450B2 - Engagement structure of vehicle interior parts and vehicle interior parts - Google Patents

Description

  The present invention relates to an engagement structure for connecting adjacent vehicle interior parts and a vehicle interior part including the engagement structure.

  A plurality of vehicle interior parts that cover the inner surface of the vehicle body panel and ensure the comfort of the interior space are mounted in the passenger compartment of the vehicle. Each vehicle interior component is fixed to the vehicle body panel, and adjacent vehicle interior components are attached to each other in an integrated state. For this reason, the interior part for vehicles has an engagement structure that engages and fixes adjacent parts to each other. For example, Patent Document 1 describes a matching structure that joins between a pillar garnish that is an interior part for a vehicle and an adjacent interior part for a vehicle.

  FIG. 6A is a schematic view showing a state in which an instrument panel 40 that is an interior part for a vehicle and a pillar garnish 30 that is an adjacent interior part for a vehicle are engaged. These vehicle interior parts are manufactured by pasting a decorative skin on a core material molded from a resin such as polypropylene (PP), and there is no gap in the joint portion P of both parts. By combining them so as not to occur, the aesthetics are improved and a high-class feeling is fostered, and the comfort in the passenger compartment is ensured.

  FIG. 6B is a schematic diagram showing an engagement structure for engaging the pillar garnish 30 and the instrument panel 40. The end surface 41 of the instrument panel 40 is formed to fit the shape of the end surface 31 of the pillar garnish 30, and further, a flange portion 42 provided with engagement holes 43 and 44 is formed. On the other hand, an insertion piece 32 to be inserted into the engagement hole 43 and an insertion piece 33 to be inserted into the engagement hole 44 are provided at the end of the pillar garnish 30. The insertion piece 33 is provided with an engaging claw, and engages with an edge portion of the engaging hole 44 as will be described later to couple the pillar garnish 30 and the instrument panel 40 together.

  Fig.7 (a) is a schematic diagram which shows the EE cross section in the state of Fig.6 (a) with which the pillar garnish 30 and the instrument panel 40 were engaged. The state which the insertion piece 33 was inserted and engaged in the engagement hole 44 provided in the flange part 42 of the instrument panel 40 is shown. The insertion piece 33 includes an insertion piece main body 35, an engagement claw 35a, and a back rib 36 that reinforces the strength of the insertion piece main body 35, and the engagement claw 35a is engaged with the insertion piece 33 in a state of being inserted into the engagement hole 44. Engage with the edge of the mating hole 44. Thereby, the movement to the up-down direction of the pillar garnish 30 is controlled. Further, the back rib 36 abuts against the edge of the engagement hole 44 so that the engagement between the engagement claw 35a and the edge of the engagement hole 44 is not disengaged, and in the X direction shown in the figure. The movement of the pillar garnish 30 is regulated.

  FIG.7 (b) is a schematic diagram which shows the FF cross section in the state of Fig.6 (a). The state where the insertion piece 32 is inserted into the engagement hole 43 provided in the flange portion 42 is shown. The insertion piece 32 includes an insertion piece main body 34 and a back rib 37 that reinforces the strength of the insertion piece main body 34, and the back rib 37 abuts against the edge of the engagement hole 43 in the X direction shown in the figure. The movement of the pillar garnish 30 is regulated. Further, by adjusting the horizontal width of the insertion piece main body 34 to the width of the insertion hole 43 in the longitudinal direction, the movement of the pillar garnish 30 in the Y direction shown in FIG. 6B can be restricted.

  As described above, in the prior art described in Patent Document 1, the pillars that are adjacent vehicle interior parts are provided by the engagement structure in which the insertion pieces 32 and 33 are inserted and engaged with the engagement holes 43 and 44, respectively. The garnish 30 and the instrument panel 40 are combined and integrated. As a result, the mating portion P of both parts is maintained in a constant state without being influenced by temperature changes in the use environment and vehicle vibration, and comfort in the passenger compartment can be ensured.

JP 2004-25965 A

  However, in the engagement structure according to the above-described prior art, in the engagement between the engagement claw 35a and the engagement hole 44, the allowable range of the engagement allowance and angle of the engagement claw 35a with respect to the edge of the engagement hole 44 is narrow. When the insertion piece 33 is inserted into the engagement hole 44, the head of the engagement claw 35a is caught on the edge of the engagement hole, and there is a problem that the engagement is not completely performed. For this reason, looseness occurs in the coupling between the pillar garnish 30 and the instrument panel 40, so-called abnormal noise called a low-order sound is generated, which may cause discomfort to the vehicle user.

  Therefore, in view of the above problems, the present invention is an engagement structure that couples adjacent vehicle interior parts, can ensure the aesthetic appearance of the mating portion, and can prevent the generation of lower sounds due to incomplete engagement. The purpose is to realize an engagement structure.

  In order to solve the above problems, an engagement structure for a vehicle interior part according to the present invention is an engagement structure for engaging a vehicle interior part mounted adjacent to a vehicle body panel, and is adjacent to the vehicle interior part. An engagement hole provided in one vehicle interior part of the part, a fixed insertion piece provided at an end of the other vehicle interior part of the adjacent vehicle interior part, and inserted into the engagement hole; The fixed insertion piece is inserted into the engagement hole at the same time as the fixed insertion piece, elastically deforms by contacting the edge of the engagement hole, and the fixed insertion piece is urged and engaged with the engagement hole by the elastic force generated by the elastic deformation. And a movable insertion piece.

  According to the engagement structure of the present invention, the fixed insertion piece is urged and engaged with the engagement hole by the elastic force generated by the elastic deformation of the movable insertion piece. As a result, since there is no backlash in the connection between the vehicle interior part provided with both the movable insert piece and the fixed insert piece and the vehicle interior part provided with the engagement hole, the generation of low-level sound is prevented. be able to. Further, since there is no need to provide a projection such as an engaging claw, it becomes easy to insert the movable insertion piece and the fixed insertion piece into the engagement hole, and it is possible to eliminate poor engagement.

  Further, in the vehicle interior part engagement structure according to the present invention, the movable insertion piece includes an auxiliary rib for increasing an elastic force generated by elastic deformation. Accordingly, the necessary elastic force can be ensured even with a thin movable insertion piece, so that the size of the insertion piece can be designed to be small, and a compact engagement structure can be realized.

  An interior part for a vehicle according to the present invention is an interior part for a vehicle that is engaged with an adjacent interior part for a vehicle and is attached to a vehicle body panel, in an engagement hole provided in the adjacent interior part for vehicle. The fixed insertion piece to be inserted is inserted at the same time as the fixed insertion piece, elastically deforms by contacting the edge of the engagement hole, and the elastic insertion force generated by the elastic deformation biases the fixed insertion piece to the engagement hole. And a movable insertion piece to be engaged with each other.

  In the case of the conventional claw engagement, particularly when the pillar garnish is removed, parts adjacent to the direction in which a force is applied by the action of the strongly engaged claw bends, and the pillar garnish is difficult to come off. On the other hand, in the present invention, the movable insertion piece has a substantially trapezoidal shape with a slope portion on the top and bottom, and the free end of the movable insertion piece is set within the width (W1) of the movable insertion piece so that it can be freely removed. The end portion and the slope portion of the movable insertion piece are not caught by the adjacent parts and are not easily removed.

  ADVANTAGE OF THE INVENTION According to this invention, the engagement structure which can ensure the beauty | look of the matching part of the interior component for adjacent vehicles, and can prevent the generation | occurrence | production of the low sound by incomplete engagement is realizable.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic diagram showing an engagement structure for a vehicle interior part according to this embodiment. An engagement structure that integrates and integrates an instrument panel 2 and a pillar garnish 1 that are vehicle interior parts mounted adjacent to a vehicle body panel, and is formed at an end of the instrument panel 2 5 includes rectangular engagement holes 6 a and 6 b provided in 5 and insertion pieces 3 and 4 provided at an end of the pillar garnish 1.

  The pillar garnish 1 is a long vehicle interior part used to cover a pillar that holds a side portion of a vehicle windshield. The instrument panel 2 is an interior part for a vehicle in which instruments such as a speedometer are arranged, and is arranged to be positioned in front of the driver's seat. These vehicle interior parts are manufactured by sticking a decorative skin to a core made of a synthetic resin molding, and are fixed to a vehicle body panel using fixing means such as clips, bosses, and ribs.

  The instrument panel 2 is attached so as to be located on the lower side portion of the windshield, and is disposed adjacent to the pillar garnish 1 attached to the pillar located on the side portion of the windshield. Combining these adjacent vehicle interior parts with each other to provide unity makes it possible to foster the beauty and luxury of the passenger compartment and improve comfort.

  In FIG. 1, only a part related to the periphery of the engagement structure of the pillar garnish 1 and the instrument panel 2 is shown. At the end of the pillar garnish 1 adjacent to the instrument panel 2, an insertion piece 3 to be inserted into the engagement hole 6a and an insertion piece 4 to be inserted into the engagement hole 6b are provided. The insertion piece 3 includes an insertion piece main body 20 formed in a trapezoidal plate shape and two sets of ribs 21a and 21b provided on both surfaces of the insertion piece main body 20 (see FIG. 4B). The insertion piece 4 includes an insertion piece main body 10 that is also formed into a trapezoidal plate shape, and two sets of ribs 12a and 12b provided on both surfaces of the insertion piece main body 10 (FIG. 4A). reference). Furthermore, a movable insertion piece 13 formed in a tongue-like shape is disposed at the center of the insertion piece main body 10.

  FIG. 2 is a schematic view showing the AA cross section of the pillar garnish 1 and schematically showing a cross section of the insertion piece 4. The insert piece 4 provided integrally with the core body of the pillar garnish 1 is composed of an insert piece main body 10 and a movable insert piece 13. The ribs 12 a and 12 b formed on the front surface and the back surface of the insertion piece body 10 are provided for the purpose of reinforcing the strength against the force applied in the front and back direction of the insertion piece body 10. Moreover, the movable insertion piece 13 is formed in a U-shape opened up and down, and one end portion 15 is connected to the core material of the pillar garnish 1 main body, and the other end portion is opened. For this reason, it can elastically deform so that it may bend, centering on the end 15 connected to the pillar garnish 1 body. Further, an auxiliary rib 14 is provided on the inner surface of the U-shape of the movable insertion piece 13, and functions to increase the elastic force of the movable insertion piece 13. That is, even if the movable insertion piece 13 cannot be set to a sufficient thickness and the required elastic force cannot be ensured, the auxiliary rib 14 can be added to increase the elastic force. The insertion piece can be designed to be small in size, and a compact engagement structure can be obtained.

  On the other hand, in this embodiment, the insertion piece main body 10 functions as a fixed insertion piece with respect to the movable insertion piece 13. As will be described later, when the insertion piece 4 is inserted into the engagement hole 6b, the movable insertion piece 13 is elastically deformed so as to abut against the edge 23 of the engagement hole 6b and is held in that state. . The insertion piece body 10 is biased to the edge of the engagement hole 6b by the elastic force accompanying this elastic deformation, and the engagement between the insertion piece 4 and the engagement hole 6b is completed.

  FIG. 3 is a schematic view showing a state in which the instrument panel 2 and the pillar garnish 1 are engaged. By finishing so that the gaps and steps of the mating portion P cannot be visually recognized, a sense of unity is generated between the instrument panel 2 and the pillar garnish 1, and the appearance can be improved. In addition, by unifying the epidermis stuck on the surface, it is possible to improve the aesthetics and foster a high-class feeling.

  Fig.4 (a) is a schematic diagram which shows the BB cross section in the state (refer FIG. 3) in which the instrument panel 2 and the pillar garnish 1 were engaged, and the state which the insertion piece 4 was inserted in the engagement hole 6b Is shown. The width W2 of the short side of the engagement hole 6b provided in the flange portion 5 of the instrument panel 2 is the width of the insertion piece 4 before insertion, that is, the outer edge of the rib 12a and the outer edge portion 13b of the movable insertion piece 13. It is set narrower than the width W1 (see FIG. 2). For this reason, when the insertion piece 4 is inserted into the engagement hole 6b, the outer edge portion 13a of the movable insertion piece 13 comes into contact with the edge portion 23 of the engagement hole 6b, and the insertion piece 4 becomes movable as the insertion piece 4 is inserted deeper. The insertion piece 13 is elastically deformed so as to bend about the end 15 connected to the pillar garnish 1 body. Further, as shown in the drawing, the insertion of the insertion piece 4 is stopped and the movable insertion piece 13 is elastically deformed at a position where the outer edge portion 13b of the movable insertion piece 13 contacts the edge portion 23 of the engagement hole 6b. Retained.

  When the movable insertion piece 13 is held in an elastically deformed state, the movable insertion piece 13 presses the edge portion 23 of the engagement hole 6b by the elastic force generated by the elastic deformation, and the insertion piece main body 10 is engaged by the reaction. It is pressed and fixed to the edge 24 of the joint hole 6b. Thereby, the pillar garnish 1 and the instrument panel 2 are integrally coupled, and the insertion piece body 10 is urged to the engagement hole 6b by the elastic force of the movable insertion piece 13, so that the space between both parts is There is no backlash in the coupling, and the generation of lower sounds can be prevented.

  Further, when the insertion piece 4 is inserted into the engagement hole 6b, the outer edge portion 13a of the movable insertion piece 13 comes into contact with the edge portion 23 of the engagement hole 6b with an inclination, and further, as the insertion piece 4 is pushed in. The movable insertion piece 13 is deformed so as to be bent. Therefore, the insertion piece 4 can be inserted into the engagement hole 6b with a small resistance compared to the conventional method of inserting the engagement claw (see FIG. 7A). As a result, it is possible to eliminate poor engagement and prevent the generation of lower sounds.

  FIG. 4B is a schematic view showing a CC cross section in a state where the instrument panel 2 and the pillar garnish 1 are engaged (see FIG. 3), and the insertion piece 3 is inserted into the engagement hole 6a. Is shown. Ribs 21 a and ribs 21 b are provided on the front and back of the insertion piece main body 20. The rib 21 a and the rib 21 b are provided for the purpose of reinforcing the strength of the insertion piece main body 20. Moreover, the outer edge part of the rib 21a and the rib 21b contact | abuts to the edge part of the engagement hole 6a, and the motion of the pillar garnish 1 in the X direction shown in the figure is controlled.

  FIG. 5 is a schematic diagram showing a DD cross section in a state where the instrument panel 2 and the pillar garnish 1 are engaged (see FIG. 3). It is a schematic diagram which shows the state by which the insertion pieces 3 and 4 were each inserted in the engagement holes 6a and 6b in the cross section of the long side of the engagement holes 6a and 6b. As shown in the figure, the insertion piece main bodies 10 and 20 are formed in a trapezoidal shape, so that the side edges of the insertion piece main bodies 10 and 20 are in contact with the edges of the short sides of the engagement holes 6a and 6b. The amount of insertion is regulated. Therefore, the instrument panel 2 and the pillar garnish 1 can be easily configured by setting the widths W3 and W4 of the long sides of the engagement holes 6a and 6b so that the insertion piece 4 stops at the position shown in FIG. It can be engaged, and it becomes possible to eliminate the engagement failure. Further, since there is no play in the movement of the pillar garnish 1 in the Y direction shown in the drawing and no play is generated, the generation of low-order sounds can be prevented.

  The preferred embodiment of the present invention has been described in detail above, but the engagement structure of the vehicle interior part according to the present invention is not limited to the above-described embodiment, and the present invention described in the scope of the claims. Various modifications and changes are possible within the scope of the gist.

It is a mimetic diagram showing an engagement structure of interior parts for vehicles concerning the present invention. It is a mimetic diagram showing an AA section of interior parts for vehicles concerning the present invention. It is a schematic diagram which shows the state which the vehicle interior components which concern on this invention were engaged. (A) It is the schematic diagram which showed the BB cross section of the vehicle interior component which concerns on this invention. (B) It is the schematic diagram which showed CC cross section of the interior component for vehicles which concerns on this invention. It is the schematic diagram which showed the DD cross section of the vehicle interior component which concerns on this invention. (A) It is the schematic diagram which showed the engagement state of the vehicle interior component which concerns on a prior art. (B) It is the schematic diagram which showed the engagement structure of the interior component for vehicles which concerns on a prior art. (A) It is the schematic diagram which showed the EE cross section of the vehicle interior component which concerns on a prior art. (B) It is the schematic diagram which showed the FF cross section of the interior component for vehicles which concerns on a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pillar garnish 2 Instrument panel 3, 4 Insertion piece 6a, 6b Engagement hole 10 Insertion piece main body (fixed insertion piece)
13 Movable insert piece 14 Auxiliary rib 20 Insert piece main body 23, 24 Edge

Claims (5)

An engagement structure for engaging a vehicle interior part attached adjacent to a vehicle body panel,
An engagement hole provided in one vehicle interior part of the adjacent vehicle interior parts;
A fixed insertion piece provided at an end of the other vehicle interior part of the adjacent vehicle interior part and inserted into the engagement hole;
The fixed insertion piece is inserted into the engagement hole at the same time as the fixed insertion piece, abuts against the edge of the engagement hole and elastically deforms, and the fixed insertion piece is biased to the engagement hole by an elastic force generated by the elastic deformation. and a movable insert engaging with,
The elastic deformation direction of the movable insertion piece is defined as an X axis, the insertion direction of the movable insertion piece into the engagement hole is defined as a Z axis, and the X axis and an axis orthogonal to both the Z axis are defined as the X axis. Assuming the Y axis,
The movable insertion piece has an open U-shape in which both sides are inclined toward the center when viewed from the Y-axis direction,
In the vehicle interior part, the movable insertion piece is configured so that an outer edge portion of the central portion of the U-shape contacts an edge portion of the engagement hole in the state of being biased and engaged. Engagement structure. The movable insertion piece is
The engagement structure for an interior part for a vehicle according to claim 1, further comprising an auxiliary rib for increasing an elastic force generated by the elastic deformation. 3. The vehicle according to claim 1, wherein the fixed insertion piece has a trapezoidal shape with a small width on an insertion start end side to the engagement hole when viewed from the X-axis direction. Engagement structure for interior parts. A vehicle interior part that is attached to a vehicle body panel by engaging with an adjacent vehicle interior part,
A fixed insertion piece inserted into an engagement hole provided in the adjacent vehicle interior part, and inserted at the same time as the fixed insertion piece, abuts against an edge of the engagement hole, elastically deforms, and the elastic deformation A movable insertion piece that urges and engages the fixed insertion piece with the engagement hole by the elastic force generated by
The elastic deformation direction of the movable insertion piece is defined as an X axis, the insertion direction of the movable insertion piece into the engagement hole is defined as a Z axis, and the X axis and an axis orthogonal to both the Z axis are defined as the X axis. Assuming the Y axis,
The movable insertion piece has an open U-shape in which both sides are inclined toward the center when viewed from the Y-axis direction,
In the state where the movable insertion piece is biased and engaged, an outer edge portion of the central portion of the U-shape comes into contact with an edge portion of the engagement hole . The vehicle interior part, wherein the fixed insertion piece has a trapezoidal shape with a small width on an insertion start end side into the engagement hole when viewed from the X-axis direction.

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