KR100812448B1 - Mat-fixing structure - Google Patents

Abstract

An apparatus for fixing a mat is provided to prevent a ring from being separated from a post by disposing a second insertion hole at a rear side of a first insertion hole of the ring. An apparatus for fixing a mat comprises a post having a T-type head and a neck, and a ring(3) installed on the mat. The ring includes a first insertion hole having a size suitable for allowing the T-type head to pass therethrough, a second insertion hole(33) and a blocking projection(32). The second insertion hole communicates with the first insertion hole and has a shape corresponding to a cross section of the neck. The blocking projection is inserted between the first insertion hole and the second insertion hole to prevent the neck from being separated from the second insertion hole.

Description

Mat fixing device {MAT-FIXING STRUCTURE}

1 is a view showing a conventional mat fixing device;

2 is a cross-sectional view of the conventional mat fastening device of FIG.

3 is a plan view showing a state in which a ring of a mat and a post of a carpet are fastened while omitting the mat and the carpet as one embodiment according to the present invention;

4 is a sectional view taken along the line d-d of FIG. 3;

5 is a top view of the ring of FIG. 3;

6 is an exploded view and a perspective view of the post of FIG. 3;

7 is a plan view showing the intermediate step of fitting the ring of mat to the post of the carpet without the mat and the carpet omitted;

8 is a cross-sectional view taken along the line f-f in FIG.

9 is a plan view showing a state where the ring of mat is completely inserted into the post of the carpet without the mat and the carpet being omitted; And,

FIG. 10 is a sectional view taken along the line g-g of FIG.

<Description of Symbols for Main Parts of Drawings>

1: carpet 2: mat

3, 7: ring 31: insertion step hole

32: release prevention jaw 33: full insertion hole

34: guide groove 4, 8: post

41: upper post 411: T-type head

412 neck 413 protrusion

42: lower post 421: insertion portion

422: guide protrusion

The present invention includes a T-shaped head at the top of the post and a full insertion hole at the rear of the insertion step hole of the ring, thereby reliably preventing the ring from escaping from the post and the ring as the mat is pulled forward by the driver's foot during driving. It relates to a structure of a mat fastening device that allows the fastening between the post and the post to be more firmly maintained.

1 is a view showing a conventional mat fixing device, Figure 2 is a cross-sectional view of the conventional mat fixing device of FIG. The carpet 1 is laid on the floor inside the vehicle, and the mat 2 is placed thereon. The mat 2 is made to be separated and cleaned when dust and the like accumulate.

It is common to have protrusions formed under the mat 2 so that the mat 2 does not move on the carpet 1, but since it is difficult to completely prevent movement, the post 8 is installed on the carpet 1 The ring 7 was installed in the mat 2 to fit the ring 7 in the post 8 to prevent the flow of the mat 2.

However, the conventional ring 7 and post 8 structure lacks the free space a between the ring and the post, as shown in FIG. 2, and the mat is floating due to the projections under the mat. In many cases, the locking portion (c) of (7) is detached, and when the auxiliary mat is moved back, front, left, or right by the foot of the passenger, the locking portion (c) does not absorb the flow, and the ring (7) is removed from the post (8). In many cases, when the mat 2 was pulled forward, the rear part of the ring 7 was lifted and the front part of the ring played a role of the lever, and the locking part c was often separated. And when the mat (2) is lifted, the portion (b) between the ring and the post has a margin, and the ring is rotated in many cases. In addition, since the ring and the post is an injection molded product, the locking part has a tendency to be easily detached due to wear as shown in FIG. 2.

Therefore, the present invention is to solve the conventional problems as described above, provided with a T-shaped head at the top of the post of the carpet to ensure that the ring is separated from the post and completely in the rear of the insertion step hole in the ring of the mat It is an object of the present invention to provide a mat fixing device that allows the fastening force to be more firmly maintained by the insertion hole.

In order to achieve the above object, the present invention is a device for fixing the mat on the carpet installed on the floor inside the vehicle, the carpet is provided with a post having a T-type head and neck, the mat can pass through the T-type head An insertion step hole having a size; A full insertion hole formed in communication with the insertion step hole and having a shape corresponding to a cross section of the neck; A ring is provided between the insertion step hole and the full insertion hole to prevent separation of the neck inserted into the full insertion hole. A ring having a ring is installed to prevent the ring from being separated from the post due to the T-shaped head. .

Here, the post is composed of a combination of the upper post disposed on the upper portion of the carpet and the T-shaped head and the neck, and the lower post disposed on the lower portion of the carpet, the upper portion of the lower post in the insertion groove formed in the neck The insert is inserted into the protrusion is formed, the guide portion and the guide portion in the vertical direction is formed on one side of the insertion portion and the insertion groove can determine the orientation when fastening the upper post and the lower post to help insertion.

Here, the outer neck portion corresponding to the portion where the guide portion is formed in the insertion groove portion inside the neck is also formed with a protrusion having a shape corresponding to the guide portion, and the guide groove corresponding to the protrusion is provided in the complete insertion hole. The neck can be prevented from rotating in the complete insertion hole.

Here, the complete insertion hole of the ring may be arranged to the rear of the insertion step hole, so that the mating of the ring forward during operation may maintain the coupling between the ring and the post more firmly.

Hereinafter, an embodiment of a mat fixing device according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a plan view illustrating a state in which a ring of a mat and a post of a carpet are fastened while omitting the mat and the carpet as one embodiment according to the present invention, and FIG. 4 is a sectional view taken along the line d-d of FIG. 5 is a plan view of the ring of FIG. 3, and FIG. 6 is an exploded and perspective view of the post of FIG. 3.

Referring to FIG. 4, the mat 2 is provided with a ring 3 in which the upper ring 3a and the lower ring 3b are fitted with the mat interposed therebetween, and the carpet 1 has an upper post 41 and The post 4 of the form in which the lower post 42 was sandwiched by the carpet is provided.

Referring to FIG. 6, the neck 412 and the T-shaped head 411 are formed in the upper post 41. Unlike the conventional shape, the T-shaped head 411 has a cross-sectional area that is significantly larger than that of the neck 412. Therefore, the neck 412 is inserted into the complete insertion hole 33 of the ring 3 to be described later. It is reliably prevented that the ring 3 detaches from the post 4 after insertion. The lower post 42 has an insertion portion 421 fitted into an insertion groove portion (not shown) formed inside the neck 412 of the upper post so as to protrude upward. The inner and outer circumferences of the insertion groove portion and the insertion portion 421 are formed. The tooth shape is formed in each, so that once it is inserted, it does not fall out well. And guide parts (not shown) and guide protrusions 422 are formed in the vertical direction at the rear of the inner circumference and the outer circumference of the insertion groove portion and the insertion portion 421, respectively, to help the insertion by determining the orientation when the upper post and the lower post are fastened. . In addition, the neck 412 is formed with a protrusion 413 on the outer surface corresponding to the position of the guide portion.

Referring to FIG. 5, the ring 3 has an insertion step hole 31 corresponding to the cross-sectional shape of the T-shaped head 411 and having a size through which the T-shaped head can pass. A complete insertion hole 33 formed in communication with the insertion step hole 31 and having a shape corresponding to the cross section of the neck 412 is formed. Between the insertion step hole 31 and the complete insertion hole 33, a separation prevention jaw 32 is formed to prevent the separation of the neck 412 once inserted into the complete insertion hole. In addition, the guide hole 34 of the shape corresponding to the protrusion 413 formed on the outer surface of the neck 412 is formed in the complete insertion hole 33 so that the neck 412 rotates in the complete insertion hole 33. To prevent them.

Hereinafter, a method of fastening the ring 3 and the post 4 will be described.

7 is a plan view illustrating an intermediate step of inserting a ring of mat into a post of a carpet without the mat and the carpet, FIG. 8 is a cross-sectional view of FIG. 7, and FIG. 9 shows the ring of the mat with the mat and the carpet omitted. 10 is a plan view illustrating the state fully inserted into the post, and FIG. 10 is a gg cross-sectional view of FIG. 9.

As shown in FIG. 7, the insertion step hole 31 of the ring is disposed at the front of the mat 3, and the complete insertion hole 33 is disposed at the rear of the mat 2. First, the T-shaped head 411 formed at the upper end of the post 4 installed on the carpet 1 installed on the vehicle interior floor is inserted through the insertion step hole 31. This state is shown in FIG.

In this state, when the mat 2 is pulled forward, the neck 412 is fitted into the complete insertion hole 33 as shown in FIG. 9. At this time, the protrusion 413 and the guide groove 43 are also engaged, and the separation prevention jaw 32 surrounds the neck 412 and prevents the neck 412 from being separated from the full insertion hole 33. Particularly, while driving, the mat 2 is leaned forward. When the complete insertion hole 33 is disposed behind the insertion step hole 31 as in the present invention, the mat 2 is moved forward by the driver. The more it is inclined, the more firm the coupling of the post 4 and the ring 3 is.

The separation may be reversed to the above tightening sequence.

As described above, the mat fixing device of the present invention uses the T-shaped head to reliably prevent the ring from detaching from the post, minimizes wear after repeated detachment, and arranges the full insertion hole behind the insertion step hole. This ensures a stronger bond when the mat is pulled forward while the vehicle is running.

The present invention is not limited to the described embodiments, and various modifications and changes can be made to those skilled in the art without departing from the spirit and scope of the present invention. Such modifications or modifications may be made to the present invention. It belongs to the claims of the.

Claims (4)

A device for fixing a mat on a carpet installed on the floor of the vehicle, The carpet is provided with a post having a T-shaped head and neck, A mat having an insertion step hole of a size through which the T-shaped head can pass; A full insertion hole formed in communication with the insertion step hole and having a shape corresponding to a cross section of the neck; And a separation prevention jaw installed between the insertion step hole and the full insertion hole to prevent separation of the neck inserted into the full insertion hole. The method of claim 1, The post has a combination of an upper post having a T-shaped head and a neck disposed on an upper portion of the carpet, and a lower post disposed under the carpet, On the upper part of the lower post is inserted into the insertion groove which is inserted into the insertion groove formed in the neck, One side of the insertion portion and the insertion groove portion is formed in the guide projection and the guide portion in the vertical direction, respectively, the fixing device of the mat, characterized in that to help the insertion by determining the orientation of the upper post and the lower post. The method of claim 2, The neck portion of the outer portion corresponding to the portion where the guide portion is formed in the insertion groove portion inside the neck is also formed with a protrusion having a shape corresponding to the guide portion, Fixing device of the mat, characterized in that the guide groove corresponding to the protrusion is provided in the complete insertion hole. The method according to any one of claims 1 to 3, And the full insertion hole of the ring is disposed to the rear of the mat with respect to the insertion step hole.

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