JP2023125851A - Skin locking clip - Google Patents

Abstract

To provide a skin locking clip with a high degree of freedom for design.SOLUTION: A skin locking clip of the present disclosure comprises: a female clip including a base part held in a foamed body; a pair of wall parts erected so as to face each other at a predetermined distance from the surface of the base part, and a locking part provided on an inner wall surface of the pair of wall parts; and a male clip including an attachment part attached to skin, and an insertion part connected to one end of the attachment part and inserted into a housing space provided between the pair of wall parts of the female clip. The insertion part comprises: a contact part that contacts the base part when inserted into the housing space along an insertion direction; a widened part that widens in a direction crossing the insertion direction when the contact part is further inserted along the insertion direction after contacting the base part; and a locked part provided in the widened part and locked to the locking part when the widened part widens.SELECTED DRAWING: Figure 3

Description

The present disclosure relates to skin-locking clips.

BACKGROUND ART A cushion pad for a seat, for example a vehicle seat, is formed by covering the surface of a foam made of polyurethane foam or the like with a skin made of knitted fabric or leather, for example. In order to fix the epidermis to the foam, clips for retaining the epidermis (sometimes referred to as "hogless clips") have conventionally been used (for example, see Patent Documents 1 and 2 below).

Japanese Patent Application Publication No. 2019-138471 Japanese Patent Application Publication No. 2020-156629

In both of the skin locking clips described in Patent Documents 1 and 2, only the locking piece of the clip material held by the foam (hereinafter referred to as "female clip") is partially elastically deformed. The clip material on the side fixed to the epidermis (hereinafter referred to as the "male clip") has a structure that hardly deforms. In such a structure, in order to lock the male clip inside the female clip, the locked part of the male clip must be completely accommodated inside the female clip while the locking piece of the female clip is elastically deformed. Furthermore, it is necessary to further insert the male clip in the insertion direction to break the contact between the locking piece and the male clip, and return the locking piece of the female clip to its original locking position. Therefore, it is necessary to secure a space within the female clip mentioned above to eliminate the contact between this locking piece and the male clip, and for this purpose, a certain height along the insertion direction of the male clip is required. become.

The female clip as described above is placed in a groove provided in the foam. Therefore, if the height of the female clip is greater than the depth of the groove in which it is disposed, the tip of the female clip will protrude from the surface of the cushion pad, which may be a factor in worsening the comfort of sitting on the cushion pad. Therefore, if the female clip has a certain height like the one mentioned above, the female clip cannot be placed in areas where the groove depth is shallow, reducing the degree of freedom in designing the seat (specifically, the cushion pad). This is one of the factors.

The present disclosure takes the above-mentioned problems into consideration and aims to provide a skin-locking clip with a high degree of freedom in design.

In order to achieve the above object, the skin-locking clip according to the first aspect of the present disclosure has a base portion held by a foam, and is erected to face the base portion at a predetermined distance from the surface of the base portion. A female clip includes a pair of walls, a locking part provided on an inner wall surface of the pair of walls, an attachment part attached to the epidermis, and a locking part connected to one end of the attachment part, and a locking part provided on an inner wall surface of the pair of walls. an insertion portion inserted into a storage space provided between a pair of walls; and a male clip, the insertion portion being inserted into the storage space along an insertion direction when a contact portion that contacts the base; a widened portion that widens in a direction crossing the insertion direction when the contact portion contacts the base and is further inserted along the insertion direction; It includes a locked part that is locked by the locking part when the widened part is widened.

Such clips for skin locking adopt a structure in which the widened portion of the male clip is widened and the locking portion and the locked portion engage, thereby locking the male clip and the female clip. ing. Therefore, it is no longer necessary to provide a space for the female clip to eliminate contact with the male clip as in the past, and the height of the female clip can be kept low. In addition, by lowering the height of the female clip, the skin-locking clip can be installed even in relatively shallow grooves in the foam, increasing the flexibility in designing seats to which the skin-locking clip is applied. do.

A skin-locking clip according to a second aspect of the present disclosure is the skin-locking clip according to the first aspect of the present disclosure, wherein one end of the widened portion is connected to one end of the attachment portion. a pair of attachment part side arms, a pair of contact part side arms whose one ends are connected to the contact part, and each of the other ends of the pair of attachment part side arms that constitute at least a part of the locked part; and a pair of curved parts connecting each of the other ends of the pair of contact part side arms, and the length between the one end part and the other end part of the pair of contact part side arms is: It is longer than the length between the one end and the other end of the pair of attachment side arms.

In such a skin-locking clip, the curved portion that constitutes at least a portion of the locked portion can be reliably locked to the locking portion.

A skin-locking clip according to a third aspect of the present disclosure is the skin-locking clip according to the first aspect of the present disclosure, wherein one end of the widened portion is connected to one end of the attachment portion. a pair of attachment part side arms; and a pair of contact part side arms, one end of which is connected to the contact part, and the other end of which is connected to the other end of the pair of attachment part side arms, and the male clip is connected to the male clip. When the female clip is inserted into the accommodation space, the contact portion contacts the base portion and maintains a state in which the pair of attachment portion side arms and the pair of contact portion side arms move in a direction toward each other. further including a retention mechanism for.

In such a skin-locking clip, the widened portion can be held in an expanded state by the holding mechanism, and it is possible to more reliably prevent the male clip from coming off.

A skin-locking clip according to a fourth aspect of the present disclosure is the skin-locking clip according to the third aspect of the present disclosure, in which the holding mechanism includes a locking hook provided at one end of the attachment part. and a locking hole provided in the contact portion and locking the locking hook.

In such a skin-locking clip, the expanded width portion can be maintained in an expanded state with a simple structure.

A skin-locking clip according to a fifth aspect of the present disclosure is the skin-locking clip according to the third aspect of the present disclosure, in which the holding mechanism includes an inner surface of the pair of attachment side arms and the skin-locking clip according to the third aspect of the present disclosure. A fitting portion provided on at least one of the inner surfaces of the pair of contact portion side arms, and a fitting portion provided on at least one of the inner surfaces of the pair of attachment portion side arms and the inner surface of the pair of contact portion side arms. and a fitted part that can be fitted into the fitting part.

In such a skin-locking clip, the expanded width portion can be maintained in an expanded state with a simple structure.

A skin-locking clip according to a sixth aspect of the present disclosure is the skin-locking clip according to the first aspect of the present disclosure, wherein one end of the widened portion is connected to one end of the attachment portion. a pair of arms, at least a portion of opposing surfaces of the pair of arms constitute the contact portion, and the locked portion is provided on a surface opposite to the opposing surfaces of the pair of arms. , the pair of walls are erected from the base with their tip ends inclined toward each other, and the base has a pair of walls that contact the contact portion and guide the movement of the pair of arms. Contains protrusions including guide surfaces.

In such a skin-locking clip, the space provided in the female clip to eliminate contact with the male clip can be arranged in a direction crossing the insertion direction, so the height of the female clip can be kept low. You will be able to do this.

According to the skin-locking clip of the present disclosure, it is possible to provide a skin-locking clip with a high degree of design freedom in which the height of the female clip is kept low.

FIG. 1 is a perspective view showing an example of a skin-locking clip according to a first embodiment of the present disclosure. FIG. 2 is a perspective view showing an example of a state in which the skin-locking clip shown in FIG. 1 is disposed on the foam of the seat. FIG. 3 is an explanatory diagram showing a state before engagement of the skin-locking clip shown in FIG. 2; FIG. 3 is an explanatory diagram showing a state of the skin locking clip shown in FIG. 2 after engagement. FIG. 7 is an explanatory diagram showing an example of a state before engagement of the skin-locking clip according to the second embodiment of the present disclosure. FIG. 6 is an explanatory diagram showing a state after engagement of the skin locking clip shown in FIG. 5; FIG. 7 is an explanatory diagram showing an example of a state before engagement of the skin locking clip according to the third embodiment of the present disclosure. FIG. 8 is an explanatory view showing a state after the skin locking clip shown in FIG. 7 is engaged. FIG. 9 is an explanatory diagram showing an example of a state before engagement of the skin locking clip according to the fourth embodiment of the present disclosure. 10 is an explanatory view showing a state after engagement of the skin locking clip shown in FIG. 9. FIG.

Embodiments for carrying out the present disclosure will be described below with reference to the drawings. In addition, below, the scope necessary for explanation to achieve the purpose of the present disclosure will be schematically shown, and the scope necessary for explanation of the relevant part of the present disclosure will be mainly explained, and parts where explanation is omitted will be omitted. It is based on known technology. Furthermore, when a figure includes a plurality of members that are the same or correspond to each other, only some of them may be labeled with reference numerals in order to make the figure easier to read.

<First embodiment>
FIG. 1 is a perspective view showing an example of a skin-locking clip according to a first embodiment of the present disclosure. Moreover, FIG. 2 is a perspective view showing an example of a state in which the skin locking clip shown in FIG. 1 is disposed on the foam of the seat. Furthermore, FIG. 3 is an explanatory view showing the state of the skin-locking clip shown in FIG. 2 before engagement. In the following description, the X direction shown in FIG. 1 is assumed to be the left-right direction, the Y direction is similarly defined as the front-back direction, and the Z direction is defined as the up-down direction. Further, in FIG. 2, illustration of the skin 3 is omitted so that the surface shape of the foam 2 can be easily understood. Further, FIG. 3 shows a state cut along the line AA shown in FIG.

As shown in FIGS. 1 to 3, the skin retaining clip 1 according to the present embodiment is used, for example, to fix a skin 3 to a foam 2 that constitutes a cushion pad of a vehicle seat. It's good. This skin-locking clip 1 includes a female clip 10 and a male clip 20. In this embodiment, a case where the skin locking clip 1 is applied to a vehicle seat is exemplified, but other than vehicle seats, as long as the foam is covered with a skin, The same can be applied.

As shown in FIG. 2, a plurality of female clips 10 (for example, 12 in FIG. 2) can be disposed at appropriate locations within the groove 2A provided in the foam 2. Further, the female clip 10 can be made of a member having a predetermined elasticity, for example, a well-known synthetic resin such as polyethylene (PET) or polypropylene (PP). A method may be employed. This female clip 10 includes a base 11 held by a foam 2, a pair of walls 12L and 12R that stand upright from the surface of the base 11 to face each other at a predetermined interval in the left-right direction, and a pair of walls 12L and 12R. It includes at least locking portions 13L and 13R provided on the inner wall surfaces of the wall portions 12L and 12R.

This female clip 10 can be held in the foam 2 by inserting it into a mold of the foam 2 so as to be placed at the bottom of the groove 2A when foam-molding the foam 2, for example. At this time, the position in the groove 2A where the female clip 10 can be placed is a position where the depth is set to be greater than the height of the female clip 10. Further, the female clip 10 held on the foam body 2 by the method described above is preferably held in a state in which at least one pair of locking portions 13L, 13R and a housing space 15, which will be described later, are exposed to the outside of the foam body 2. . Note that the method for holding the female clip 10 on the foam body 2 is not limited to the above-mentioned method, and may be held using an adhesive or welding, for example.

As shown in FIGS. 1 and 3, the base 11 can be formed of a substantially rectangular plate having a predetermined thickness. Further, the pair of wall portions 12L and 12R may extend upward from both ends of the base portion 11 in the left-right direction so as to be substantially orthogonal to each other. The locking portions 13L, 13R extend in a direction approaching each other from inside the tip portions of the pair of wall portions 12L, 12R, and in a direction inclined at a predetermined angle with respect to the left-right direction so that the tip portions face the base 11. It can be formed as follows. A gap formed between the tips of the locking parts 13L and 13R may define an insertion opening into which the male clip 20 is inserted. In addition, a pair of tapered surfaces 14L and 14R for guiding insertion of the male clip 20 may be formed on the left and right sides of this insertion opening. Since the tapered surfaces 14L and 14R are widened upward, a portion of the male clip 20 that is in contact with the tapered surfaces 14L and 14R can be elastically deformed when moving toward the insertion port.

An area surrounded by the base 11, the pair of walls 12L, 12R, and the locking parts 13L, 13R can function as a housing space 15 for housing the insertion part 22 of the male clip 20. In this housing space 15, there is a region surrounded on three sides by the base 11, one wall 12L, and one locking portion 13L, and a region surrounded on three sides by the base 11, the other wall 12R, and the other locking portion 13R. The area surrounded by may form a pair of locking spaces 16L and 16R for locking the male clip 20 in the inserted state.

The male clip 20 may be a member that can fix the skin 3 to the foam 2 by partially inserting and fixing it into the housing space 15 of the female clip 10 described above. Further, like the female clip 10, the male clip 20 can be made of a well-known synthetic resin, and a well-known resin molding method can be used for its molding method. The male clip 20 is made of an elastic member like the female clip, but is preferably made of a more flexible member than the female clip 10. As shown in FIGS. 1 and 3, this male clip 20 has an attachment part 21 to which one end of the skin 3 can be attached, and a space in which the female clip 10 is accommodated. 15, and an insertion section 22 that can be inserted into.

The attachment portion 21 can be formed of a plate-like body, and the end portion of the skin 3 can be attached directly or indirectly to one or both surfaces thereof. The method of attaching the outer skin 3 to the attaching portion 21 can be, for example, sewing, but is not limited to this, and other attachment methods such as adhesives, rivets, welding, etc. can be adopted. You can also do that.

The insertion part 22 is attached to one end of the attachment part 21, specifically, to the end of the male clip 20 in the insertion direction (for example, a direction corresponding to arrow M shown in FIG. 3; hereinafter also referred to as "insertion direction M"). The female clip 10 and the male clip 20 may be connected by being inserted into the housing space 15 of the female clip 10. As shown in FIG. 1, this insertion part 22 has a contact part 23 that can come into contact with the base 11 when the male clip 20 is inserted into the accommodation space 15 of the female clip 10 from above along the insertion direction M, and a contact part 23 that can come into contact with the base part 11. When the male clip 20 is further inserted along the insertion direction M after the portion 23 contacts the base 11, a widened portion 24 that widens in the direction crossing the insertion direction M, for example, in the left-right direction; and a locked portion 25 that is locked to the locking portions 13L and 13R when the widened portion 24 is widened. In the present embodiment, the insertion direction M of the male clip 20 is illustrated as being downward (-Z direction) in FIGS. 1 and 3, but the insertion direction M is not limited to this.

The contact portion 23 may constitute the tip portion of the male clip 20 in the insertion direction M. This contact portion 23 can come into contact with the surface of the base 11 when inserted into the accommodation space 15 of the female clip 10. Further, the widening portion 24 may be widened in the left-right direction within the accommodation space 15 of the female clip 10 in the process of inserting the male clip 20 into the accommodation space 15 of the female clip 10. The widening part 24 according to the present embodiment includes a pair of attachment part side arms 26L and 26R, one end of which is connected to one end of the attachment part 21, and a pair of contact part side arms, one end of which is connected to the contact part 23. 27L, 27R, each of the other ends of the pair of attachment part side arms 26L, 26R which constitute at least a part of the above-mentioned locked part 25, and each of the other ends of the pair of contact part side arms 27L, 27R. A pair of curved portions 28L and 28R may be included.

The pair of attachment part side arms 26L, 26R can be constructed of a thin plate-like member whose proximal end side is connected to the attachment part 21 and which extends in a direction away from each other toward the distal end side. Further, the pair of contact portion side arms 27L and 27R can be formed of a thin plate-like member whose proximal end side is connected to the contact portion 23 and extends in a direction away from each other toward the distal end side. Further, the lengths from the base ends to the distal ends of the pair of attachment part side arms 26L, 26R and the pair of contact part side arms 27L, 27R, in other words, their lengths in the extending direction are It is preferable that the pair of contact portion side arms 27L, 27R be adjusted to be longer than the side arms 26L, 26R. In this way, by making the pair of contact part side arms 27L, 27R longer than the pair of attachment part side arms 26L, 26R, when the male clip 20 is inserted into the female clip 10, the locked part 25 is formed. This is effective for reliably engaging the pair of curved portions 28L, 28R with the pair of locking portions 13L, 13R.

The pair of curved portions 28L, 28R are configured to connect the respective tips of the pair of attachment portion side arms 26L, 26R and the respective tips of the pair of contact portion side arms 27L, 27R, and are configured to connect the tips of the pair of attachment portion side arms 26L, 26R to the respective tips of the pair of contact portion side arms 27L, 27R, and to move away from each other. It may be formed to be curved in an arc shape so as to be convex. The external dimensions of the pair of curved portions 28L and 28R are preferably adjusted so that when the male clip 20 is inserted into the female clip 10, they can be inserted into the locking spaces 16L and 16R of the female clip, respectively. The wall thicknesses of the pair of attachment part side arms 26L, 26R, the pair of contact part side arms 27L, 27R, and the pair of curved parts 28L, 28R may all be adjusted to the extent that desired elastic deformation is possible. . Further, as shown in FIGS. 1 and 3, the widened portion 24 including the pair of attachment portion side arms 26L, 26R, the pair of contact portion side arms 27L, 27R, and the pair of curved portions 28L, 28R is It may be configured with a substantially rectangular frame having a space.

FIG. 4 is an explanatory diagram showing the state of the skin locking clip shown in FIG. 2 after engagement. Below, a method for attaching the skin 3 to the foam 2 using the skin locking clip 1 having the above-described configuration will be briefly described with reference mainly to FIGS. 3 and 4. In order to attach the skin 3 to the foam 2, first, hold the base 11 of the female clip 10 at an arbitrary position in the groove 2A of the foam 2, and then attach the base 11 of the female clip 10 to the attachment part 21 of the male clip 20. Attach the skin 3. Next, the male clip 20 to which the skin 3 is attached is moved along the insertion direction M, and insertion into the female clip 10 is started.

As the male clip 20 moves in the insertion direction M, the pair of curved portions 28L, 28R first come into contact with the tapered surfaces 14L, 14R. Thereafter, as the male clip 20 moves further, the pair of curved portions 28L and 28R are pressed by the tapered surfaces 14L and 14R, and are elastically deformed so that the width of the insertion portion 22 in the left and right direction becomes smaller, especially when contact is made. The advancement of the portion 23 into the accommodation space 15 is facilitated. When the contact portion 23 comes into contact with the surface of the base 11, the widening operation of the widening portion 24 is started. Specifically, the inner surfaces of the pair of attachment section side arms 26L, 26R and the inner surfaces of the pair of contact section side arms 27L, 27R move toward each other, and as a result, the pair of curved sections 28L, 28R move toward each other. It can be pushed to the left and right.

When the movement of the male clip 20 in the insertion direction M further progresses, the pair of curved portions 28L and 28R that have been pushed apart in the left and right direction enter the left and right locking spaces 16L and 16R, respectively, and a portion of them becomes the locking portion. It contacts 13L and 13R. Here, as described above, in the male clip 20 according to the present embodiment, the length in the extending direction of the pair of contact portion side arms 27L, 27R is adjusted to be longer than the pair of attachment portion side arms 26L, 26R. Therefore, as the male clip 20 moves in the insertion direction M, the inner space of the widened portion 24 is displaced so as to be crushed, and the pair of curved portions 28L and 28R engage with the locking portions 13L and 13R. Rotate to the side. Thereby, the pair of curved portions 28L, 28R and the locking portions 13L, 13R can be reliably engaged.

As the male clip 20 continues to move in the insertion direction M, a position is reached where the inner surfaces of the pair of attachment section arms 26L and 26R and the inner surfaces of the pair of contact section arms 27L and 27R come into contact with each other or are close to each other. Then, as shown in FIG. 4, the insertion portion 22 of the male clip 20 is held in the accommodation space 15 of the female clip 10. Such a holding state is achieved by the engagement between the pair of curved parts 28L and 28R and the locking parts 13L and 13R, so that the insertion part 22 retains its shape before being inserted into the accommodation space 15 of the female clip 10. It is maintained by regulating the movement that attempts to elastically return to the original position.

As explained above, the epidermal locking clip 1 according to the present embodiment employs an elastically deformable insertion section 22 for the male clip 20, and a part of the insertion section 22 connects the male clip 20 to the female clip 10. When inserted into the housing space 15 of , the widened portion 24 is displaced in a direction intersecting the insertion direction M, specifically, in the left-right direction. As a result, the skin-locking clip 1 according to the present embodiment stops moving in the insertion direction M while the male clip is progressing in the insertion direction M, and then changes to intersect with the insertion direction M. It will start moving in the direction. Therefore, unlike conventional female clips, there is no need to secure space for moving the male clip in the height direction in order to return the locking piece to the locking position, so the height of the female clip can be kept low. As a result, the skin-locking clip 1 according to the present embodiment can be disposed even in areas where the groove 2A of the foam body 2 is relatively shallow, thereby improving the degree of freedom in designing the cushion pad. .

<Second embodiment>
In the first embodiment described above, a pair of curved portions 28L, 28R are provided between the tips of the pair of attachment section side arms 26L, 26R and the tips of the pair of contact section side arms 27L, 27R, and Although the insertion state of the male clip 20 is maintained by engaging the curved portions 28L and 28R with the pair of locking portions 13L and 13R, the present disclosure is not limited to such a structure. Therefore, as a second embodiment of the present disclosure, an example of a skin-locking clip 1A including a holding mechanism for holding the male clip inserted into the accommodation space of the female clip will be described below. Note that the retaining mechanism of the skin-locking clip 1A shown below is merely an example, and the specific configuration of the retaining mechanism can be changed as appropriate within a range that maintains its function.

The skin-locking clip 1A according to the present embodiment may have the same configuration as the skin-locking clip 1 according to the first embodiment, except that it has a holding mechanism. Therefore, in the skin-locking clip 1A shown below, the parts having the same configuration as the skin-locking clip 1 are given the same reference numerals and the explanation thereof will be omitted.

FIG. 5 is an explanatory diagram showing an example of a state before engagement of the skin-locking clip according to the second embodiment of the present disclosure. Further, FIG. 6 is an explanatory diagram showing the state of the skin-locking clip shown in FIG. 5 after engagement, and FIG. 6(A) is a view of the skin-locking clip seen from the front. FIG. 6(B) is a cross-sectional view of the skin-locking clip shown in FIG. 6(A) taken at the middle portion in the front-rear direction. Note that although FIGS. 5 and 6 are shown to correspond to FIGS. 3 and 4, illustrations of the foam 2 and the skin 3 are omitted to simplify the drawings.

The skin-locking clip 1A according to the present embodiment may include a female clip 30 and a male clip 40. Among these, the female clip 30 is the same as described above except that, as shown in FIG. 6(B), an escape hole 31 is provided in the middle part in the front and back direction into which the tip of a locking hook 42, which will be described later, can enter. A structure similar to that of the female clip 10 of the first embodiment can be adopted. The male clip 40 also includes a locking hook 42 provided at one end of the attachment portion 21 and a locking hole 43 provided in the contact portion 23 and capable of locking the locking hook 42, which constitute a holding mechanism. The same structure as the male clip 20 of the first embodiment described above can be adopted except for the inclusion of the male clip 20 in the first embodiment.

The holding mechanism provided on the male clip 40 can be mainly composed of the locking hook 42 and the locking hole 43 described above. Of these, the locking hooks 42 are located in recesses 41L and 41R provided at the intermediate portions in the front-rear direction on the base end sides of the pair of attachment-side arms 26L and 26R, as shown in FIG. 6(B). It may be provided so that a part of the proximal end side thereof may be accommodated. This locking hook 42 has its proximal end connected to one end on the insertion direction M side of the attachment part 21, extends along the insertion direction M of the male clip 40, and has hooks on the side surfaces of its distal end, for example, the left and right sides. A shaped protrusion 42A may be formed.

The locking hole 43 can be formed of a hole that is provided in the middle part of the contact part 23 in the front-rear direction and passes through the contact part 23 along the insertion direction M.The width of the locking hole 43 in the left-right direction is The width in the left and right direction of the locking hook 42, specifically, may be adjusted according to the position of the hook-shaped projection 42A. It may extend to the base end portions of 27L and 27R. In addition, in this embodiment, a case is illustrated in which one locking hook 42 and one locking hole 43 are provided in the middle part of the male clip 40 in the front-rear direction, but the number and arrangement of these are not particularly limited. .

The method of attaching the skin 3 to the foam 2 using the skin-locking clip 1A having the above-described configuration is generally the same as that of the skin-locking clip 1 according to the first embodiment, except for the operation of the holding mechanism. It is. Therefore, the operation of the skin retaining clip 1A will be briefly explained below, focusing on the operation of the holding mechanism.

First, the male clip 40 to which the skin 3 is attached is moved along the insertion direction M toward the female clip 30 whose base 11 is held at an arbitrary position in the groove 2A of the foam 2 in advance, and the female clip 40 is moved along the insertion direction M. Insertion into the clip 30 begins.

As the male clip 40 moves in the insertion direction M, the tip of the male clip 40 is inserted into the accommodation space 15 of the female clip 30 while the pair of curved portions 28L and 28R are guided by the tapered surfaces 14L and 14R, and comes into contact with each other. When the portion 23 comes into contact with the surface of the base 11, the widening operation of the widening portion 24 is started.

The locking hook 42 is inserted into the locking hole 43 as the movement of the male clip 20 in the insertion direction M progresses and as the width widening operation of the widening portion 24 progresses. When the distal end of the locking hook 42 inserted into the locking hole 43 passes through the locking hole 43, it enters into the escape hole 31 of the female clip 30. Then, at the same timing when a portion of the pair of curved portions 28L and 28R pushed apart in the left-right direction abut against the locking portions 13L and 13R, the end of the hook-shaped projection 42A engages the locking hole 43. It passes through, returns to the left-right open state, and locks the left-right ends of the locking hole 43 (see FIG. 6(A)).

When the locking hook 42 is locked in the locking hole 43, the displacement of the widened portion 24 of the male clip 40, specifically, the displacement of the pair of attachment side arms 26L, 26R and the pair of contact side arms 27L, 27R. Relative movement is regulated. This restricts displacement of the male clip 40 in the width direction, so that the engagement state between the locking portions 13L, 13R and the pair of curved portions 28L, 28R is reliably maintained.

As explained above, according to the skin locking clip 1A according to the present embodiment, the holding mechanism including the locking hook 42 and the locking hole 43 is adopted, so that the male clip 40 can be inserted into the female clip 30. When the male clip 40 is held, the displacement of the male clip 40 in the width direction is limited by the holding mechanism. Thereby, the engagement state between the female clip 30 and the male clip 40 can be made more stable.

<Third embodiment>
In the second embodiment described above, an example of the holding mechanism for holding the male clip inserted into the housing space of the female clip has been described, but the holding mechanism included in the present disclosure is limited to the above-mentioned structure. Not done. Therefore, as a third embodiment of the present disclosure, a skin-locking clip 1B that employs a holding mechanism having a structure different from that described above will be described below.

The skin-locking clip 1B according to this embodiment has a basic structure similar to the skin-locking clip 1 according to the first embodiment. Therefore, of the skin-locking clip 1B shown below, the parts having the same configuration as the skin-locking clip 1 are given the same reference numerals and the explanation thereof is omitted, and the skin-locking clip 1 is not The explanation will focus on the different points.

FIG. 7 is an explanatory diagram showing an example of a state before engagement of the skin-locking clip according to the third embodiment of the present disclosure. Moreover, FIG. 8 is an explanatory diagram showing a state after the skin locking clip shown in FIG. 7 is engaged. 7 and 8, like FIGS. 5 and 6, are shown to correspond to FIGS. 3 and 4, but in order to simplify the drawings, the foam 2 and the skin 3 are shown separately. Illustration is omitted.

The skin-locking clip 1B according to the present embodiment may include a female clip 50 and a male clip 60. Among these, as shown in FIG. 7, the female clip 50 includes the same configuration as the female clip 10 according to the first embodiment, although the shapes of the locking parts 13L and 13R are slightly different. It can be used as a The locking portions 13L and 13R of the female clip 50 are arranged such that the distance between the locking portions 13L and 13R is such that a holding mechanism (described later) of the male clip 60 operates to restrict displacement of the widened portion 24A in the width direction. It is preferable that the length in the width direction of the widened portion 24 is adjusted to be smaller than the length in the width direction of the widened portion 24 in the expanded state.

As shown in FIG. 7, the male clip 60 has a pair of second attachment part side arms 61L and 61R, one end of which is connected to one end of the attachment part 21, and one end of which is connected to the contact part 23, as the widened part 24A. It may be composed of a pair of second contact portion side arms 62L, 62R which are connected and whose other ends are connected to a pair of second attachment portion side arms 61L, 61R. The inner surfaces of the pair of second attachment part side arms 61L, 61R and the pair of second contact part side arms 62L, 62R are provided with fitting protrusions 63L, 63R as an example of a fitting part, and a fitting protrusion 63L, 63R as an example of a fitting part. Fitting recesses 64L and 64R may be provided as examples of fitting portions. As can be seen from FIG. 7, the male clip 60 according to the present embodiment does not have the above-mentioned pair of curved parts 28L, 28R, and the tip of the pair of second attachment part side arms 61L, 61R and the pair of curved parts 28L, 28R are not provided. The tips of the second contact portion side arms 62L and 62R are directly connected.

The fitting protrusions 63L, 63R may be provided on the inner surfaces of the pair of second attachment portion side arms 61L, 61R or on the inner surfaces of the pair of second contact portion side arms 62L, 62R. In this embodiment, one fitting protrusion 63L, 63R is provided on one second attachment part side arm 61L and the other second contact part side arm 62R. is exemplified.

The fitting recesses 64L, 64R may be provided on the inner surfaces of the pair of second attachment portion side arms 61L, 61R or on the inner surfaces of the pair of second contact portion side arms 62L, 62R, and the fitting recesses 64L, 64R may be provided on the inner surfaces of the pair of second attachment portion side arms 61L, 61R, or on the inner surfaces of the pair of second contact portion side arms 62L, 62R, and may be provided on the inner surfaces of the pair of second attachment portion side arms 61L, 61R. It may be arranged at a position where it can fit into the protrusions 63L and 63R. In the present embodiment, the fitting recesses 64L and 64R are arranged at positions opposite to the fitting protrusion 63L of one of the second contact section side arms 62L and fitting positions of the other second attachment section side arms 61R. One example is shown in which one is disposed at a position facing the protrusion 63R. Note that the arrangement and number of the fitting protrusions 63L, 63R and the fitting recesses 64L, 64R are not limited to those described above.

The fitting protrusions 63L, 63R may be formed on the inner surface of the second attachment part side arm 61L or the inner surface of the second contact part side arm 62R, and may be constituted by a protrusion whose outer peripheral surface is curved in an arc shape. can. Furthermore, the fitting recesses 64L and 64R are formed on the inner surface of the second contact section side arm 62L or the second attachment section side arm 61R, and a recess in which the fitting protrusions 63L and 63R can be accommodated is provided in the center thereof. may be formed. The diameter of the opening portion of the fitting recesses 64L, 64R may be adjusted to be smaller than the maximum diameter of the fitting protrusions 63L, 63R. , 63R are held within the fitting recesses 64L, 64R without easily coming off from the fitting recesses 64L, 64R. Note that the shapes of the fitting protrusions 63L, 63R and the fitting recesses 64L, 64R are not limited to those described above.

The method of attaching the skin 3 to the foam 2 using the skin-locking clip 1B having the above-described configuration is generally the same as that of the skin-locking clip 1 according to the first embodiment, except for the operation of the holding mechanism. It is. Therefore, the operation of the skin retaining clip 1B will be briefly explained below, focusing on the operation of the holding mechanism.

First, the male clip 60 to which the skin 3 is attached is moved along the insertion direction M toward the female clip 50 whose base 11 has been held at an arbitrary position in the groove 2A of the foam 2 in advance, and the female clip 60 is moved along the insertion direction M. Insertion into the clip 50 begins.

As the movement of the male clip 40 in the insertion direction M progresses, the tip of the male clip 60 is inserted into the accommodation space 15 of the female clip 50, the contact portion 23 comes into contact with the surface of the base 11, and the width of the widened portion 24A is increased. The operation begins.

As the movement of the male clip 20 in the insertion direction M progresses and the width widening operation of the widening portion 24A progresses, the inner surfaces of the pair of second attachment portion side arms 61L and 61R and the pair of second contact portion sides progress. The inner surfaces of the arms 62L and 62R move toward each other. Accordingly, fitting protrusions 63L, 63R and fitting recesses 64L are provided on the inner surfaces of the pair of second attachment section side arms 61L, 61R and the inner surfaces of the pair of second contact section side arms 62L, 62R. , 64R also move in the approaching direction. Then, the timing is the same as when the tips of the pair of second attachment part side arms 61L, 61R that moved in the left-right direction and the tips of the pair of second contact part side arms 62L, 62R entered the locking spaces 16L, 16R. At this timing, the fitting protrusions 63L, 63R are completely accommodated in the fitting recesses 64L, 64R, and the fitting protrusions 63L, 63R are held within the fitting recesses 64L, 64R (see FIG. 8).

When the fitting protrusions 63L and 63R are held in the fitting recesses 64L and 64R, the widened part 24A of the male clip 40 is displaced, specifically, the pair of attachment part side arms 26L and 26R and the pair of contact part side arms Relative movement of 27L and 27R is restricted. As a result, the male clip 40 is no longer displaced in the width direction, and the locking portions 13L and 13R, the tips of the pair of second attachment portion side arms 61L and 61R that constitute the locked portion 25A, and the pair of second The state of engagement with the tips of the contact portion side arms 62L, 62R is reliably maintained.

As explained above, according to the skin locking clip 1B according to the present embodiment, the male clip 60 can be attached to a female When inserted into the clip 50, displacement of the male clip 60 in the width direction is limited by the holding mechanism. Thereby, the engagement state between the female clip 50 and the male clip 60 can be made more stable.

<Fourth embodiment>
In the skin-locking clips 1, 1A, and 1B according to the first to third embodiments, female clips 10, 30, and 50 are approximately U-shaped members when viewed from the front, and male clips 20, Although the widened portions 24 and 24A of 40 and 60 employ substantially rectangular frames as an example, the present disclosure is not limited to such a structure. Therefore, as a fourth embodiment of the present disclosure, a skin-locking clip 1C having a structure different from that described above will be described below.

FIG. 9 is an explanatory diagram showing an example of a state before engagement of the skin-locking clip according to the fourth embodiment of the present disclosure. Moreover, FIG. 10 is an explanatory view showing a state after the skin locking clip shown in FIG. 9 is engaged. 9 and 10, like FIGS. 5 to 8, are shown to correspond to FIGS. 3 and 4, but in order to simplify the drawings, the foam 2 and the skin 3 are shown separately. Illustration is omitted. The skin-locking clip 1C according to this embodiment may include a female clip 70 and a male clip 80, as shown in FIG.

Similar to the female clips 10, 30, and 50 according to the first to third embodiments described above, a plurality of female clips 70 can be disposed at appropriate positions within the groove 2A provided in the foam body 2. The female clip 70 can be constructed by injection molding a member having a predetermined elasticity such as a well-known synthetic resin. A pair of wall portions 72L and 72R are erected to face each other at a predetermined interval, and a female clip side locking portion is provided as an example of a locking portion provided on the inner wall surface of the pair of wall portions 72L and 72R. It can include at least hooks 73L and 73R.

As shown in FIG. 9, the base portion 11A may have a shape in which the center portion in the left-right direction of a plate having a predetermined wall thickness is raised upward. The center portion of the base portion 11A may be a protruding strip 75 on which a pair of guide surfaces 76L and 76R for guiding the widened portion 24B of the male clip 80 are arranged on the left and right sides thereof. The pair of guide surfaces 76L and 76R can be configured with curved surfaces that extend from the top of the protrusion 75 in the left-right direction, and each contact surface 82L of the pair of arms 81L and 81R of the male clip 80, which will be described later. , 82R. Thereby, the pair of guide surfaces 76L, 76R can guide the movement of the pair of arms 81L, 81R.

The pair of wall portions 72L and 72R may be erected from both ends of the base portion 11A in the left-right direction so that their tip portions are inclined toward each other. The pair of wall portions 72L, 72R extend so that their inner surfaces face the pair of guide surfaces 76L, 76R at a predetermined interval, and the pair of wall portions 72L, 72R and the pair of guide surfaces The space between 76L and 76R may define branch accommodation spaces 77L and 77R that can accommodate arms 81L and 81R of a male clip 80, which will be described later, respectively. The branch accommodation spaces 77L and 77R may extend in a direction oblique to the insertion direction M, as shown in FIG.

One or more female clip-side locking hooks 73L, 73R may be provided on the inner peripheral surfaces of the pair of wall portions 72L, 72R. The position and number of the female clip-side locking hooks 73L, 73R can be adjusted as appropriate as long as they can engage male clip-side locking hooks 83L, 83R, which will be described later. In addition, in FIG. 9, the female clip side locking hooks 73L, 73R are arranged in three rows at a predetermined interval along the extending direction of the pair of wall portions 72L, 72R.

Here, a part of the branch accommodation spaces 77L and 77R functions as a space for elastically returning the female clip side locking hooks 73L and 73R to the locking position when the male clip 80 is inserted. However, in this embodiment, by extending the branch accommodation spaces 77L and 77R in a direction inclined with respect to the insertion direction M, the influence on the height direction of the female clip 70 can be minimized. ing.

The male clip 80 may be a member that can fix the foam 2 and the skin 3 by partially inserting and fixing it into the housing space 15 of the female clip 70 described above. Further, the male clip 80 can be formed using the same material and molding method as the female clip 70. It is preferable that the male clip 80 is a member that is more flexible than the female clip 70, especially at its widened portion 24B.

The widened portion 24B of the male clip 80 may include a pair of arms 81L and 81R, one end of which is connected to one end of the attachment portion 21, as shown in FIGS. 9 and 10. The pair of arms 81L and 81R are slightly curved so that their tips are spaced apart from each other, and the distance between the tips is the same as the distance between the tapered surfaces 14L and 14R of the female clip 70. It is better if the degree is adjusted slightly smaller.

The inner opposing surfaces of the pair of arms 81L, 81R may constitute contact surfaces 82L, 82R, at least a portion of which functions as a contact portion that contacts the base 11A. Furthermore, male clip-side locking hooks 83L and 83R, which are examples of locked portions, may be provided on the surfaces of the pair of arms 81L and 81R opposite to the contact surfaces 82L and 82R. As long as the male clip-side locking hooks 83L, 83R can be engaged with the female clip-side locking hooks 73L, 73R, their positions and numbers can be adjusted as appropriate. In addition, in FIG. 9, the male clip side locking hooks 83L, 83R are arranged in three rows at a predetermined interval along the extending direction of the pair of arms 81L, 81R.

Below, a method for attaching the skin 3 to the foam 2 using the skin locking clip 1C having the above-described configuration will be briefly described with reference mainly to FIGS. 9 and 10. In order to attach the skin 3 to the foam 2 using the skin locking clip 1C, first, as in the case of the skin locking clip 1 according to the first embodiment, the grooves of the foam 2 are first prepared. The base 11A of the female clip 70 is held at an arbitrary position within 2A, and the skin 3 is attached to the attachment part 21 of the male clip 80. Next, the male clip 80 to which the skin 3 is attached is moved along the insertion direction M, and insertion of the female clip 70 into the accommodation space 15 is started.

As the male clip 80 moves in the insertion direction M, the pair of arms 81L, 81R come into contact with the tapered surfaces 14L, 14R, and the pair of arms 81L, 81R are guided by the tapered surfaces 14L, 14R and elastically move inward. It invades into the accommodation space 15 while being deformed. Contact surfaces 82L and 82R located close to the tips of the pair of arms 81L and 81R are a protrusion 75 formed on the surface of the base 11A, or a pair of guide surfaces 76L formed on the left and right sides of the protrusion 75, 76R contact. As the male clip 80 moves further in this state, the pair of arms 81L and 81R are guided by the pair of guide surfaces 76L and 76R, and their tips move in a direction that separates them from each other. They each invade 77R.

When the movement of the male clip 20 in the insertion direction M further progresses, the plurality of male clip-side locking hooks 83L and 83R provided on the pair of arms 81L and 81R guided in the left-right direction similarly engage the plurality of female clips. When the male clip 80 passes through the locking positions of the side locking hooks 73L and 73R in order and reaches a position where all the male clip side locking hooks 83L and 83R and the female clip side locking hooks 73L and 73R can be engaged, the male clip 80 The movement in the insertion direction M is completed.

As explained above, in the skin-locking clip 1C according to the present embodiment, the male clip 80 is similar to the skin-locking clips 1, 1A, and 1B according to the first to third embodiments described above. When the male clip 80 is inserted into the accommodation space 15 of the female clip 70, the widened portion 24B is displaced in a direction intersecting the insertion direction M, specifically, in the left-right direction. As a result, the skin locking clip 1C according to the present embodiment, like a conventional female clip, can move the male clip in the height direction in order to return the locking piece to the locking position. Since there is no need to secure a space, the height of the female clip 70 can be kept low. Thereby, the skin-locking clip 1C according to the present embodiment can also be disposed in a portion where the groove 2A of the foam 2 is relatively shallow, so that the degree of freedom in designing the cushion pad can be improved.

The present disclosure is not limited to the embodiments described above, and various modifications can be made without departing from the spirit of the present disclosure. All of them are included in the technical idea of the present disclosure.

1 Clip for locking the skin 2 Foam 3 Skin 10, 30, 50, 70 Female clips 11, 11A Base portions 12L, 12R, 72L, 72R Wall portions 13L, 13R Locking portion 15 Accommodation spaces 73L, 73R Female clip side locking Hook (an example of a locking part)
75 Projections 76L, 76R Guide surfaces 20, 40, 60, 80 Male clip 21 Attachment section 22 Insertion section 23 Contact section 24, 24A, 24B Widened section 25, 25A Locked section 26L, 26R Attachment section side arm 27L, 27R Contact part side arms 28L, 28R Curved part 42 Locking hook 43 Locking holes 63L, 63R Fitting protrusion (an example of fitting part)
64L, 64R Fitting recess (an example of a fitted part)
81L, 81R Arm 82L, 82R Contact surface (example of contact part)
83L, 83R Male clip side locking hook (an example of locked part)

Claims (6)

A base held by a foam, a pair of walls facing each other at a predetermined distance from a surface of the base, and a locking part provided on an inner wall surface of the pair of walls. A female clip comprising;
A male clip comprising an attachment part attached to the epidermis, and an insertion part connected to one end of the attachment part and inserted into a housing space provided between the pair of walls of the female clip,
The insertion portion includes a contact portion that contacts the base when inserted into the accommodation space along the insertion direction, and a contact portion that contacts the base when the insertion portion is further inserted along the insertion direction after the contact portion contacts the base. comprising: a widened part that widens in a direction crossing the insertion direction; and a locked part that is provided in the widened part and is locked to the locking part when the widened part is widened;
Clip for retaining the epidermis. The widening part includes at least a pair of attachment part side arms having one end connected to one end of the attachment part, a pair of contact part side arms having one end connected to the contact part, and at least one of the locked part. a pair of curved portions that form a part and connect each of the other ends of the pair of attachment part side arms and each of the other ends of the pair of contact part side arms;
The length between the one end and the other end of the pair of contact section side arms is longer than the length between the one end and the other end of the pair of attachment section side arms.
The skin-locking clip according to claim 1. The widening section includes a pair of attachment section side arms, one end of which is connected to one end of the attachment section, one end of which is connected to the contact section, and the other end connected to the other end of the pair of attachment section side arms. a pair of contact side arms;
When the male clip is inserted into the accommodation space of the female clip, the contact portion contacts the base and moves in a direction in which the pair of attachment portion side arms and the pair of contact portion side arms approach each other. further comprising a holding mechanism for holding the state;
The skin-locking clip according to claim 1. The holding mechanism includes a locking hook provided at one end of the attachment portion, and a locking hole provided in the contact portion and locking the locking hook.
The skin-locking clip according to claim 3. The holding mechanism includes a fitting portion provided on at least one of the inner surfaces of the pair of attachment section side arms and the inner surface of the pair of contact section side arms, and the inner surface of the pair of attachment section side arms. a fitted portion provided on at least one of the inner surfaces of the pair of contact portion side arms and capable of fitting into the fitting portion;
The skin-locking clip according to claim 3. The widening section includes a pair of arms, one end of which is connected to one end of the attachment section, at least a portion of opposing surfaces of the pair of arms constitute the contact section, and the opposing surfaces of the pair of arms constitute the contact section. The locked portion is provided on the surface opposite to the surface to be locked,
The pair of walls are erected from the base with their tips inclined toward each other, and the base has a pair of walls that contact the contact portion and guide the movement of the pair of arms. comprising a convex strip having a guide surface;
The skin-locking clip according to claim 1.