JP6321475B2 - Mat fastener - Google Patents

Description

  The present invention relates to a mat fastener that suppresses movement of a mat disposed on a floor of a vehicle.

  A mat is placed under the driver's seat and passenger seat of the vehicle. This mat is placed on a carpet affixed to the vehicle body panel. The floor mat clip for fixing the floor mat to the carpet disclosed in Patent Document 1 includes a pin member and a cap member that are fixed to the carpet, and a mat cap that is fixed to the floor mat. The pin member is attached so as to protrude from the carpet back side to the front side, and the bottomed cylindrical cap member is engaged with the pin member from the front side of the carpet and has a small-diameter flange portion on the outer peripheral surface. The mat cap is formed in a cylindrical shape and has an inward convex portion on the inner peripheral surface.

  In the technique disclosed in Patent Document 1, the cap member is pushed into the mat cap, and the cap member and the mat cap are coupled by engaging the small-diameter flange portion of the cap member and the inwardly convex portion of the mat cap. This combination secures the floor mat to the carpet.

JP 2011-195071 A

  When the floor mat is removed from the carpet in the technique disclosed in Patent Document 1, in order to release the engagement between the cap member and the mat cap, an operation of pulling the cap member away from the mat cap is required. Since the cap member is engaged so as not to be easily detached from the mat cap, it is not easy to pull out. That is, the removal operation becomes more difficult as the cap member is less likely to be detached from the mat cap.

  The present invention has been made in view of such a problem, and an object of the present invention is to facilitate the removal operation while reducing the possibility that the mat fastened to the carpet is unintentionally detached by the mat fastener. The object is to provide a mat fastener that can.

  In order to solve the above-described problems, an aspect of the present invention is a mat fastener for suppressing movement of a mat disposed on a carpet in a vehicle interior, and includes a base for fixing to the carpet, and a base A first fixing member having a protruding shaft formed so as to protrude from the second fixing member, a second fixing member fixed to the mat and having an insertion hole through which the protruding shaft can be inserted, and slidable on the second fixing member An operation member that is held and has an operation portion exposed from the second fixing member, an operation member that locks in contact with or close to the protruding shaft, and a lock portion held by the second fixing member. And an elastic member for biasing in a direction to lock the. The projecting shaft has an overhang portion formed to protrude outward on the outer peripheral surface. The lock portion locks or unlocks the overhang portion according to the slide of the operation member.

  ADVANTAGE OF THE INVENTION According to this invention, the technique which can make removal operation easy can be provided, reducing possibility that the mat fastened to the carpet by the fastener for mats will unintentionally remove.

Fig.1 (a) is a perspective view of the fastener for mat | matte which concerns on embodiment, FIG.1 (b) is a top view of the fastener for mat | matte. 2 (a) and 2 (b) are side views of the mat fastener. It is sectional drawing of line segment AA of the mat fastener shown in FIG.1 (b). It is a figure for demonstrating an operation member. It is sectional drawing of line segment CC of the fastener for mat | mattes shown to Fig.2 (a). It is a figure for demonstrating operation | movement of the fastener for mats. It is a figure for demonstrating the fastener for mat | matte of a 1st modification. It is a figure for demonstrating the fastener for mat | matte of a 2nd modification.

  FIG. 1A is a perspective view of the mat fastener 10 according to the embodiment, and FIG. 1B is a top view of the mat fastener 10. 2 (a) and 2 (b) are side views of the mat fastener 10. FIG. FIG. 2A shows the mat fastener 10 viewed in the vehicle width direction when attached to the vehicle, and FIG. 2B shows the mat fastener 10 seen in the vehicle front-rear direction when attached to the vehicle. Here, the same or equivalent components and members shown in the drawings are denoted by the same reference numerals, and repeated description thereof is omitted as appropriate.

  The mat fastener 10 is attached to the mat and the carpet to suppress the movement of the mat, and connects the mat to the carpet. The carpet provided in the passenger compartment is cloth-like, and is affixed to a vehicle body panel located under a seat such as a driver seat or a passenger seat. The mat is arranged on the carpet in the passenger compartment.

  The mat fastener 10 limits the movement of the mat and prevents the mat from interfering with the brake pedal or the accelerator pedal. The mat fastener 10 is disposed, for example, in the vicinity of the base of the seat, and is provided at a position where it is difficult for the driver's feet to hit. A plurality of mat fasteners 10 may be attached to one mat.

  The mat fastener 10 includes a first fixing member 20 fixed to the carpet, a second fixing member 22 fixed to the mat, an operation member 28 slidably held by the second fixing member 22, and an operation member. And an elastic member for urging 28.

  The mat fastener 10 has an attachment direction with respect to the vehicle. Of the three-dimensional axes shown in FIG. 1A, the x-axis is the vehicle longitudinal direction, the y-axis is the vehicle left-right direction, and the z-axis is the vertical direction. The first fixing member 20 and the second fixing member 22 have attachment directions with respect to the carpet and the mat, and are attached so that the rotation with respect to the carpet and the mat is restricted. The carpet mounting hole and the mat mounting hole are formed in an elliptical shape or a rectangular shape, and the portion of the first fixing member 20 and the second fixing member 22 that is inserted into the carpet mounting hole or the mat mounting hole is also formed in an elliptical shape or a rectangular shape. Is done. The base portion 32 of the first fixing member 20 shown in FIGS. 2A and 2B has a rectangular cross section, and the carpet mounting hole is also formed in a rectangular shape. The cylindrical portion 62 of the second fixing member 22 inserted through the mat mounting hole is also formed with the first side surface shown in FIG. 2A as the long side and the second side surface shown in FIG. 2B as the short side. The mat mounting hole is also formed according to the shape of the cylindrical portion 62. The first fixing member 20 and the second fixing member 22 will be further described in detail with reference to the drawings.

  FIG. 3 is a sectional view taken along line AA of the mat fastener 10 shown in FIG. The first fixing member 20 includes a cylindrical base portion 32, a plate-like flange portion 34 projecting radially from the base portion 32, and a protruding shaft 36 protruding upward from the base portion 32. A pair of protruding locking portions 40 projecting from the side surface of the base portion 32 is formed as a flexible elastic claw body.

  The base portion 32 is inserted into the carpet mounting hole 14 a of the carpet 14, and the flange portion 34 and the pair of locking portions 40 sandwich the front and back of the carpet 14, whereby the first fixing member 20 is fixed to the carpet 14. The plurality of tooth portions 38 projecting downward from the flange portion 34 bite into the carpet 14 when the flange portion 34 is locked to the surface of the carpet 14. A pair of latching | locking part 40 latches to the back edge of the carpet attachment hole 14a. Since the tooth portion 38 is stuck in the carpet 14, the relative rotation of the first fixing member 20 with respect to the carpet 14 can be further suppressed.

  The projecting shaft 36 is formed in a columnar shape and projects upward from the base portion 32 above the flange portion 34. The protruding shaft 36 includes a large-diameter portion 36a formed on the distal end side, a small-diameter portion 36b formed on the base 32 side with a smaller diameter than the protruding shaft 36, and the protruding shaft 36 from the small-diameter portion 36b toward the large-diameter portion 36a. And a pair of ribs 44 formed so as to project radially outward from a part of the outer peripheral surface of the small diameter portion 36b. .

  The rib 44 is formed below the large diameter portion 36a and spaced apart from the overhang portion 42 in the axial direction. The pair of ribs 44 project radially outward to a position along the outer peripheral surface of the large diameter portion 36a so as to be substantially the same as the diameter of the large diameter portion 36a. The overhang portion 42 and the rib 44 can restrict the axial movement of the lock portion 72 of the operation member 28 in the locked state. The projecting shaft 36 is inserted into the insertion hole of the second fixing member 22 and functions to lock the second fixing member 22 to the first fixing member 20.

  The ribs 44 are in contact with or close to the edge of the insertion hole 50 of the front side member 24 and the edge of the insertion hole 66 of the back side member 26 to suppress rattling of the first fixing member 20 and the second fixing member 22 in the locked state. be able to. By inserting the insertion hole of the second fixing member 22, it is possible to easily align the insertion hole and the protruding shaft 36 when the protruding shaft 36 is inserted. Moreover, the relative rotation of the first fixing member 20 and the second fixing member 22 can be allowed by forming the insertion hole of the second fixing member 22 in a circular shape and forming the protruding shaft 36 in a cylindrical shape.

  The second fixing member 22 includes a front side member 24 and a back side member 26, and is fixed to the mat 12 by sandwiching the edge of the mat mounting hole 12 a of the mat 12 between the front side member 24 and the back side member 26.

  A part of the operation member 28 and the elastic member 30 are accommodated in the box-shaped accommodation space forming portion 52 of the front side member 24. The housing space forming part 52 of the front side member 24 includes an upper wall part 52a, a lower wall part 52c facing the upper wall part 52a, a side wall part 52b connecting the upper wall part 52a and the lower wall part 52c, and an upper wall. And an opening 54 for opening the portion 52a. The opening 54 exposes the operation portion 70 of the operation member 28 to the front surface of the mat fastener 10. By accommodating the operation member 28 and the elastic member 30 in the accommodation space forming portion 52, the front side member 24 and the back side member 26 can be easily attached to the mat attachment hole 12a. The accommodation space forming part 52 also functions as a slide guide for the operation member 28. The upper wall portion 52 a and the lower wall portion 52 c are provided substantially parallel to the mat 12 when attached to the mat 12. Thereby, the operation member 28 can slide along the mat surface substantially parallel to the mat 12 around the second fixing member 22.

  The back side member 26 includes a lid portion 61 disposed so as to face the front side member 24, a back side flange portion 60 projecting radially outward from the lid portion 61, and a cylindrical portion protruding upward from the edge of the lid portion 61. 62, a locking claw portion 64 formed so as to protrude from the inner surface of the cylindrical portion 62, and an insertion hole 66 formed in the center of the lid portion 61. In addition, when not distinguishing the insertion hole 50 of the front side member 24 and the insertion hole 66 of the back side member 26, it is called "the insertion hole" of the 2nd fixing member 22. FIG.

  The back side flange portion 60 is locked to the edge on the back side of the mat mounting hole 12a. The lid portion 61 has a recessed portion 63 around the insertion hole 66 on the lower surface, and is formed to be easily bent. The front side member 24 and the back side member 26 are integrally coupled by locking the peripheral edge 58 of the lower wall portion 52 c and the locking claw portion 64. The second fixing member 22 can be easily attached to the mat 12 by inserting the cylindrical portion 62 of the back side member 26 into the mat mounting hole 12a and pushing the accommodation space forming portion 52 of the front side member 24 into the cylindrical portion 62. .

  The operating member 28 includes an operating portion 70 exposed to the front through the opening 54, a lock portion 72 that locks or unlocks the protruding portion 42 of the projecting shaft 36 according to sliding, and a spring that abuts against one end of the elastic member 30. And a receiving portion 74. The protruding shaft 36 is inserted between the lock portion 72 and the operation portion 70.

  One end of the elastic member 30 abuts on the spring receiving portion 74 of the operation member 28, and the other end abuts on the side wall portion 52 b of the front side member 24. The elastic member 30 biases the locking portion 72 of the operation member 28 in the locking direction.

  FIG. 4 is a view for explaining the operation member 28. 4A is a perspective view of the mat fastener 10 shown with the front side member 24 omitted, and FIG. 4B is a cross-sectional view taken along line BB of the mat fastener 10 shown in FIG. FIG. In FIG. 4A, the front side member 24 is omitted, and the operation member 28 and the elastic member 30 are shown in a state of floating with respect to the lid portion 61 of the back side member 26. The operation member 28 can slide against the urging force of the elastic member 30.

  As shown in FIG. 4B, one end of the elastic member 30 is supported by the spring receiving portion 74, and the other end is supported by the spring recess 52d of the side wall portion 52b. As shown in FIG. 4B, the accommodation space forming portion 52 of the front side member 24 is disposed inside the cylindrical portion 62 of the back side member 26, and a part of the operation member 28 and the elastic member 30 are included in the accommodation space forming portion 52. Is provided.

  The operation member 28 includes a pair of opposing side portions 76, a first connection portion 75 and a second connection portion 78 that connect the pair of side portions 76, and the side portion 76, the first connection portion 75, and the second connection portion 78. The connecting portion 78 functions as a flat “substrate 71”. An operation portion 70 is formed so as to be raised in a stepped manner with respect to the substrate 71 of the operation member 28. The operation unit 70 is positioned so as to run over the cylinder unit 62, and the lower surface of the operation unit 70 is positioned above the lower surface of the substrate 71 and above the surface of the mat 12. Accordingly, the operation unit 70 can be disposed so as to ride on the front side edge of the mat mounting hole 12a, so that the user can recognize the operation unit 70 at a glance and can easily operate the operation unit 70 exposed on the surface side of the mat 12. .

  As shown in FIG. 4B, the substrate 71 of the operation member 28 is slidably provided in the accommodation space forming portion 52, and the sliding direction of the operation member 28 is attached to the elastic member 30 by the accommodation space forming portion 52. It is regulated so as to follow the trend direction. The side wall portion 52b of the housing space forming portion 52 functions as a guide for sliding the operation member 28.

  A central hole 77 is defined by the pair of side portions 76, the first connecting portion 75, and the second connecting portion 78, and the protruding shaft 36 is inserted into the central hole 77 with a gap. As shown in FIG. 3 and FIG. 4B, the lock portion 72 is formed so as to protrude from the second connecting portion 78 into the central hole 77, and is formed so as to protrude from the inner surface of the second connecting portion 78. Is done.

  As shown in FIG. 4A, projecting convex portions 73 extending in the sliding direction are formed on the upper surfaces of the pair of side portions 76. The convex portion 73 can be brought into contact with the upper wall portion 52a in the accommodating space forming portion 52, and the inclination of the operation member 28 in the sliding direction can be suppressed.

  As shown in FIG. 4B, the lock portion 72 is formed in a thin plate shape orthogonal to the urging direction of the elastic member 30 and the sliding direction of the operation member 28. As shown in FIG. Formed thin. As shown in FIG. 3, the lock portion 72 enters a recess between the protruding portion 42 of the projecting shaft 36 and the rib 44, and contacts the small diameter portion 36 b of the projecting shaft 36.

  As shown in FIG. 4A, a retaining portion 80 is formed on the outer surface of the side portion 76 to prevent the front side member 24 from being detached. The retaining portion 80 is an elastic claw that can be bent.

  FIG. 5 is a cross-sectional view taken along line CC of the mat fastener 10 shown in FIG. The operation member 28 is urged by the elastic member 30 and is prevented from coming off when the retaining portion 80 comes into contact with the edge of the groove portion 52e formed in the side wall portion 52b. A pair of ribs 44 formed on the outer peripheral surface of the projecting shaft 36 projects in the sliding direction of the operation member 28. As a result, the lock portion 72 can ride over the rib 44 in accordance with the slide of the operation member 28.

  FIG. 6 is a view for explaining the operation of the mat fastener 10. 6 is a cross-sectional view at the same position as the cross-sectional view of the mat fastener 10 shown in FIG. 3, and in FIG. 3, the lock portion 72 is in the locked state, but in FIG. 6, the lock portion 72 is in the unlocked state.

  As shown in FIG. 3, the lock portion 72 is positioned below the overhang portion 42 so as to overlap the overhang portion 42 in the axial direction, so that the upward movement of the lock portion 72 is caused by the overhang portion 42. Limited and locked. The operation member 28 having the lock portion 72 is accommodated in the accommodation space forming portion 52 of the front side member 24, and when the upward movement of the operation member 28 is restricted, the operation member 28 of the second fixing member 22 is moved upward of the front side member 24. Movement is limited. Thus, in the locked state, the upward movement of the second fixing member 22 is restricted, and the relative movement between the mat 12 and the carpet 14 is restricted.

  When unlocking, the user pushes the operation unit 70 toward the projecting shaft 36 and slides the operation member 28 against the urging force of the elastic member 30. As shown in FIG. 6, the lock portion 72 is separated from the small diameter portion 36 b by the sliding of the operation member 28 to be in the unlocked state. The operation member 28 is disposed in the vehicle so that the sliding direction of the operation member 28 is the vehicle front-rear direction.

  If the second fixing member 22 is moved upward while being in the unlocked state, that is, with the operation portion 70 being pushed in, the protruding shaft 36 is removed from the insertion hole and the second fixing member 22 and the first fixing member 20 are moved. The connection is released and the mat 12 is removed from the carpet 14. As shown in FIG. 1, since the operation unit 70 is exposed on the front side, the user can recognize how to remove it at a glance, and can easily remove the mat 12 from the carpet 14 by sliding the operation unit 70. .

  Since the mat fastener 10 is unlocked by sliding the operation unit 70 along the surface of the mat 12, the possibility that the driver will unlock the mat fastener 10 from above is extremely low. As described above, the mat fastener 10 can be easily disconnected from the first fixing member 20 and the second fixing member 22 by a user's operation, and can be prevented from being easily disconnected even when stepped on unintentionally. Thus, in the mat fastener 10, it is possible to achieve both ease of removal operation and prevention of unintentional detachment.

  Further, even when the user's foot is put on the operation unit 70 and the operation member 28 is slid to be temporarily unlocked, if the foot is removed from the operation unit 70, the elastic member 30 is automatically locked. Therefore, the possibility that the mat 12 is detached from the carpet 14 by an unintended operation can be further reduced.

  Further, in the mat fastener 10, the operation unit 70 is disposed on the vehicle front side, the sliding direction of the operation member 28 for locking is directed toward the vehicle front, and the sliding direction of the operation member 28 for unlocking is It is arranged to face the vehicle rear. For example, when the driver steps on the mat 12 near the accelerator pedal or the brake pedal, a load is applied to pull the mat 12 forward of the vehicle and bring the mat 12 closer to the pedal. At this time, since the load applied to the front of the vehicle from the mat 12 is in a direction to lock the lock portion 72, the possibility that the mat fastener 10 is unlocked and the mat 12 is released by this load can be extremely reduced.

  The lock portion 72 provided between the front side member 24 and the back side member 26 and the operation portion 70 provided on the front surface side so as to be easily operated by the user are formed at different heights. By forming the operation unit 70 above the lower surface of the substrate 71 of the operation member 28 so as to be exposed on the front side of the mat 12, the operation unit 70 and the lock unit 72 can be integrally formed, thereby reducing the manufacturing cost. Can be suppressed.

  FIG. 7 is a view for explaining a mat fastener 100 according to a first modification. 7A is a perspective view showing the mat fastener 100 with the front side member 24 omitted, and FIG. 7B is a cross-sectional view taken along line DD of the mat fastener 100 shown in FIG. 7A. FIG.

  The mat fastener 100 of the first modified example is different from the mat fastener 10 shown in FIG. 3 in that the accommodation space forming portion 152 is formed not on the front side member 124 but on the back side member 126. The mat fastener 100 includes a first fixing member 20 that is fixed to the carpet 14 and a second fixing member 122 that is fixed to the mat 12.

  The second fixing member 22 has a front side member 124 and a back side member 126, and is fixed to the mat 12 by sandwiching the edge of the mat mounting hole 12 a of the mat 12 between the front side member 124 and the back side member 126.

  As shown in FIG. 7A, the back side member 126 has a box-shaped accommodation space forming part 152 and a back side flange part 60. The accommodation space forming part 152 has an upper wall part 152a, a lower wall part 152c that faces the upper wall part 152a, a side wall part 152b that connects the upper wall part 152a and the lower wall part 152c, and an upper wall part 152a that opens. Opening 154.

  A locking claw portion 164 that protrudes outward is formed on the outer surface of the side wall portion 152b. The front side member 124 has a circumferential claw portion 158 that is locked to the locking claw portion 164. The circumferential claw portion 158 is locked to the locking claw portion 164 from the outside so as to cover the accommodation space forming portion 152, and the front side member 124 and the back side member 126 are coupled. The accommodation space forming part 152 accommodates the substrate 71 and the elastic member 30 of the operation member 28. Thereby, the assembly to the mat 12 becomes easy.

  FIG. 8 is a diagram for explaining a mat fastener 200 according to a second modification. FIG. 8 is a top view of the mat fastener 200, with the front member 24 of the mat fastener 200 omitted. In the mat fastener 200 of the second modified example, the shape of the lock portion 172 of the operation member 128 is different from the lock portion 72 of the operation member 28 of the mat fastener 10 shown in FIGS.

  4B and 5 is formed in a column body, and the linear side surface of the column body abuts on the small-diameter portion 36b of the projecting shaft 36. On the other hand, the lock portion 172 shown in FIG. 8 is formed to be curved in an arc shape, and abuts on the small diameter portion 36b so as to surround the small diameter portion 36b. The side surface that contacts the small diameter portion 36b of the lock portion 72 is curved according to the outer peripheral surface of the small diameter portion 36b.

  Thereby, the area where the lock part 172 enters under the overhanging part 42 and the area overlapping with the overhanging part 42 in the axial direction increase, and the load resistance in the locked state can be enhanced. Further, since the lock portion 172 abuts so as to surround the small diameter portion 36b, the adhesion between the lock portion 172 and the small diameter portion 36b is increased, and rattling of the first fixing member 20 and the second fixing member 22 in the locked state is suppressed. be able to.

  The present invention is not limited to the above-described embodiments, and various modifications such as design changes can be added to the embodiments based on the knowledge of those skilled in the art. Embodiments described may also be included within the scope of the present invention.

  Although the surface of the mat fastener 10 is located above, the z axis shown in FIG. 1A may be inclined with respect to the vertical direction. If the vehicle body panel is inclined with respect to the horizontal direction, the carpet 14 attached to the vehicle body panel is inclined according to the vehicle body panel. The mat 12 placed on the inclined carpet 14 is also inclined, and the mat fastener 10 is also attached to the inclined surface.

  In the embodiment, the mode in which the operation member 28 and the elastic member 30 are housed in the housing space forming portion 52 of the front side member 24 is shown, but the present invention is not limited to this mode. For example, the front side member 24 is formed except for the lower wall portion 52c of the accommodation space forming portion 52 shown in FIG. 2, an accommodation space is formed between the front side member 24 and the back side member 26, and the operation member 28 and the elastic member 30 are arranged. It may be accommodated. The operation member 28 and the elastic member 30 are held between the front side member 24 and the back side member 26. According to this modification, the mat fastener 10 can be reduced in weight and the cost can be limited.

  In the embodiment, the operation unit 70 is arranged on the vehicle front side in the mat fastener 10 and the elastic member 30 is urged forward of the vehicle. However, the embodiment is not limited thereto. For example, the operation unit 70 in the mat fastener 10 may be disposed on the vehicle rear side. Thereby, since the operation part 70 is arrange | positioned behind a driver | operator's step, it becomes difficult for a driver | operator's leg | foot to hit the operation part 70. FIG.

  In the embodiment, the mode in which the large-diameter portion 36a, the small-diameter portion 36b, and the overhang portion 42 are formed on the projecting shaft 36 is shown, but the present invention is not limited to this mode. For example, the projecting shaft 36 may be formed in a rod shape, a flange projecting radially outward in the middle of the axial direction may be formed, and the lower surface of the flange may be the projecting portion 42. Moreover, although the protrusion 36 showed the aspect formed in a column shape, it is not restricted to this aspect, A prismatic shape may be sufficient. By forming the projecting shaft 36 into a prismatic shape and making the insertion hole of the second fixing member 22 a polygonal shape corresponding to the projecting shaft 36, the relative rotation of the second fixing member 22 with respect to the first fixing member 20 can be limited. .

  In the embodiment, the mode of forming the insertion hole penetrating the second fixing member 22 is shown, but the present invention is not limited to this mode. For example, although the insertion hole 66 of the back side member 26 and the insertion hole 50 of the lower wall part 52c of the front side member 24 are formed, the insertion hole 50 of the upper wall part 52a is not formed, and the upper wall part 52a other than the opening part 54 is formed. May be formed in a flat plate shape. According to this modification, there are few holes on the surface of the mat fastener 10 and it is possible to suppress the entry of dust and the like.

  10 mat fasteners, 12 mats, 12a mat mounting holes, 14 carpets, 14a carpet mounting holes, 20 first fixing members, 22 second fixing members, 24 front side members, 26 back side members, 28 operation members, 30 elastic members, 32 base part, 34 flange part, 36 projecting shaft, 36a large diameter part, 36b small diameter part, 38 tooth part, 40 locking part, 42 overhang part, 44 rib, 50 insertion hole, 52 accommodation space forming part, 54 opening part 56 Front side flange part, 58 Perimeter, 60 Back side flange part, 61 Lid part, 62 Tube part, 64 Locking claw part, 66 Insertion hole, 70 Operation part, 71 Substrate, 72 Lock part, 73 Convex part, 74 Spring support Part, 75 first connecting part, 76 side part, 77 central hole, 78 second connecting part, 80 retaining .

Claims (4)

A mat fastener for suppressing movement of a mat placed on a carpet in a vehicle interior,
A first fixing member having a base for fixing to the carpet and a protruding shaft formed so as to protrude from the base;
A second fixing member fixed to the mat and formed with an insertion hole through which the protruding shaft can be inserted;
An operation member that is slidably held by the second fixing member, the operation member having an operation portion exposed from the second fixing member, and a lock portion that locks in contact with or close to the protruding shaft; ,
An elastic member that is held by the second fixing member and biases in a direction to lock the lock portion;
The projecting shaft has a projecting portion formed to project outward on the outer peripheral surface,
The mat fastener according to claim 1, wherein the lock portion locks or unlocks the overhang portion according to the slide of the operation member.   The mat fastener according to claim 1, wherein the operation member is disposed on the vehicle such that a direction in which the lock portion is locked faces a front of the vehicle.   3. The mat fastener according to claim 1, wherein the operation portion is positioned above the lower surface of the substrate of the operation member so as to be exposed on the front side of the mat. 4. The second fixing member has a first member on the front side of the mat and a second member on the back side sandwiching the edge of the mounting hole of the mat,
The mat fastener according to any one of claims 1 to 3, wherein the first member or the second member has a substrate for the operation member and a housing space for the elastic member.

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