JPH0347939Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a locking tool used for attaching a decorative member to a steel plate of an automobile body.

``Prior art'' As shown in FIGS. 8 and 9, a conventional locking device of this kind is made by bending a thin strip-shaped steel plate of a certain width and forming a diamond-shaped engagement protrusion 20 in the center. forming joint portions 22, 22 by horizontally bending the ends of the lower inclined engagement portions 21, 21 on both sides of the engagement protrusion 20, which are inclined inwardly to each other; The ends of the joints 22, 22 are bent further inward into a U-shape to form engagement grooves 23, 23.

Then, as shown in FIG. 10, a T-shaped engagement table part 25 is provided on the back side of a trim or other decorative member 24 made of synthetic resin, as shown in FIG. Overhanging protrusions 2 on both sides
6 and 26 are engaged, and a locking tool is slidably attached to the engaging table part 25 (for example, in the
(See Publication No. 92155).

``Problems to be solved by the invention'' As mentioned above, conventional fasteners of this kind are made by simply bending a thin strip-shaped steel plate of a certain width symmetrically, with a rhombic shape in the center. Joint parts 22, 22 connected to the lower inclined engaging parts 21, 21 on both sides of the engaging protrusion
is joined to the upper surface of the engagement table part 25 of the decorative member 24, so when it is press-engaged with the engagement hole 28 of the steel plate body 27 of the automobile body as shown in FIG. The joint parts 22, 22 connected on both sides of the engaging protrusion 20 are brought into strong pressure contact with the upper surface of the engaging table part 25 of the decorative member 24, and the frictional contact prevents the joint parts 22, 22 from sliding. Since the diamond-shaped engagement protrusion 20 is compressed and inserted into the engagement hole 28 of the iron plate body 27, a large force is not only required, but also a large amount of force is required to compress and insert the diamond-shaped engagement protrusion 20 into the engagement hole 28 of the iron plate body 27. Due to the immobile state, the diamond-shaped engagement protrusion 20 cannot be compressed and passed through the engagement hole 28 of the iron plate body 27, and the rhombus-shaped engagement protrusion 20 is crushed, and the iron plate There is a possibility that an inconvenient situation may occur in which the engagement protrusion 20 of the locking tool becomes unable to engage with the engagement hole 28 of the body 27, which may impede the attachment of the decorative member.

The present invention eliminates the drawbacks of the conventional locking devices of this kind as described above, and can fit into the locking holes provided in the steel plate of the automobile body without requiring excessive force, and the locking tool can be fitted with the locking tool without excessive force. A lock that smoothly and properly removably engages with an engagement hole of a steel plate body without causing an unexpected situation such as crushing and deformation of the part, and allows a decorative member to be installed accurately and quickly. The purpose is to provide ingredients.

"Means for Solving the Problems" The present invention takes the following means to achieve the above object.

That is, a thin strip-shaped steel plate material or a similarly effective elastic material is provided in the center with a folded double upright wall portion having an end face shape with the head folded back in an arc shape and a constant distance between the two folded walls. A joint part is provided at the bottom of both sides of the heavy upright wall part and can be bent outward at a right angle, and the ends of the joint part are bent inwardly into a U-shape to form an engaging groove part. form a locking body.

Then, the opposing parts of the side wall plate parts of the folded double upright wall part of the locking main body are cut and tilted downward and outward, and the lower ends are separated from the both side wall plate parts, and the middle part is cut out. The end face rectangular locking pieces, which can be bent inwardly to form a lower inclined engagement part, are connected to the head of the folded double upright wall part and can be compressed outward from both side wall plate parts. It is formed protrudingly opposite to the.

"Function" As described above, in the present invention, a folded double upright wall is provided at a certain interval in the center of the locking body, and symmetrical The lower end of the locking piece is separated from the main body of the locking body, and the locking piece is formed into a rectangular shape and has a lower inclined engagement portion. The locking piece, which can be expanded and whose upper end is integrally connected to the head of the folded double upright wall of the locking body, is pressed into engagement with the engagement hole of the steel plate of the automobile body. It is compressed and expanded according to the periphery of the engagement hole, and the lower inclined engagement portion of the locking piece is engaged with the engagement hole of the iron plate body.

``Example'' Next, an example of implementing the present invention will be described in detail with reference to the drawings.

An end face-shaped folded double vertical wall part 4 made of thin strip-shaped steel plate material or an equivalent elastic material, with the head part 1 folded in an arc shape and a constant distance 3 between both side wall plate parts 2 and 2'. A locking main body 5 is formed with a central part thereof.

Both side wall plate parts 2 of the folded double upright wall part 4,
The mutually opposing parts of the middle portions 2' are cut downward and outwardly to separate the lower ends 6, 6' from the side wall plate parts 2, 2', respectively, and the middle parts are inclined inwardly to each other. The locking pieces 8, 8' having rectangular end surfaces that can be bent to form the lower inclined engagement parts 7, 7' are folded back so as to be compressible, and are attached to the outside of the side wall plate parts 2, 2' of the double upright wall part 4. It is expanded and formed opposite to.

Both side wall plate parts 2 of the folded double upright wall part 4,
The lower part of 2' is bent outward at a right angle to provide joint parts 9, 9', and the respective ends of the joint parts 9, 9' are further bent inwardly into a U-shape. It is curved, and engaging groove portions 10, 10' are provided facing each other.

Since the present invention is constructed as described above, the engaging groove portions 10, 10' of the locking main body 5 are connected to trims and other decorative members made of synthetic resin as shown in FIG.
The locking main body 5 is connected to the decorative member 11 by freely slidingly engaging with the protruding protrusions 13, 13' of the T-shaped engagement table part 12 provided on the back surface of the iron plate body 14 of the automobile body. The lower ends 6, 6' of both side wall plate parts 2, 2' of the folded double upright wall part 4 of the locking main body 5 are cut off into the engaging hole 15 provided in the locking body 5 to form a symmetrical rectangular lock. When the pieces 8, 8' are fitted and pressed, the locking pieces 8, 8' are fitted and pressed as shown by the phantom lines in FIG. It is compressed inward by the peripheral edge of the engagement hole 15 and passes through the engagement hole 15, and the lower inclined engagement portions 7, 7' of the locking pieces 8, 8' engage the engagement hole 15 of the iron plate body 14. The decorative member 11 and the iron plate body 14 are joined together.

In addition, the reference numeral 16 in the drawing is a joint shaft portion protruding from the back surface of the decorative member, and is a connecting shaft portion that connects the iron plate body 14 and the decorative member 1.
This is to keep the positional relationship with 1 constant.

In the above embodiment, as shown in FIGS. 1 to 3, both side wall plate parts 2, 2' of the folded double vertical wall part 4 are
In the above description, the locking pieces 8, 8' are formed symmetrically between the locking pieces 8, 8'. As shown in FIG. 2, locking pieces 8 and 8' may be formed opposite to each other on both side edges of both side wall plate parts 2 and 2' of the folded double upright wall part 4, so that two pairs of locking pieces 8 and 8' are arranged symmetrically. be.

``Effect of the invention'' As mentioned above, the present invention is a thin strip-shaped steel plate material or the like, which is made of a synthetic resin material such as a trim or other decorative member, in which the engaging groove portion can be slid on the engaging table portion provided on the back side of the trim or other decorative member. In a locking device that is made of a highly effective elastic material, the main body of the lock is formed by folding the head into an arc shape and providing a folded double upright wall section in the center with a constant distance between the wall plate sections on both sides. Then, the mutually opposing parts of the both side wall plate parts of the folded double upright wall part of the locking main body are cut and raised downwardly and outwardly, and the lower ends are separated from the both side wall plate parts, and the middle are mutually inwardly bent to form a lower inclined engagement part, and the rectangular locking piece is folded back and expanded symmetrically on both sides of the double upright wall, so that the lower end of the locking piece is Unlike conventional models in which the lower end is integrally connected to the joint, it can move freely without any restraints, and therefore can be easily inserted into the engagement hole of the steel plate of the car body. During press engagement, the symmetrically formed dog-shaped locking piece is easily compressed by the periphery of the locking hole in the steel plate, and the locking piece passes smoothly through the locking hole without requiring excessive force. The decorative material can be accurately attached to the iron plate by engaging the lower inclined engagement portion with the engagement hole of the iron plate.

In addition, in the present invention, since the locking body that integrally connects the upper part of the symmetrically formed wedge-shaped locking piece with the head is formed in the folded double upright wall portion, the folded double upright wall portion of the locking body is formed. The ability to maintain the upright position is extremely high, and even if an unexpected external force is applied, there will be almost no inconveniences such as tilting, deforming, or crushing, and it can be used with confidence.

[Brief explanation of drawings]

The drawings show an example of the implementation of the present invention; Fig. 1 is a front view, Fig. 2 is a side view of the same, Fig. 3 is a plan view, and Fig. 4 is a connection to the engaging table part on the back side of the decorative member. 5 is a front view of another embodiment, FIG. 6 is a plan view of the same, FIG. 7 is a side view of the same, and FIG. FIG. 9 is a side view of the conventional locking tool, FIG. 9 is a side view of the same, and FIG. 10 is an explanatory diagram showing the state of engagement between the locking tool, the decorative member, and the iron plate body. 2, 2'...Both side wall plate parts, 4...Folded double upright wall part, 5...Locking main body, 6, 6'...Lower end, 7,
7'...Lower inclined engagement part, 8, 8' locking piece.

Claims (1)

[Claims for Utility Model Registration] A locking tool made of a thin steel plate material or an equivalent elastic material whose engaging groove portion is slidably engaged with the engaging table portion on the back side of a decorative member of an automobile. In this case, a locking body is formed with a folded double upright wall section with a certain interval in the center, and the opposite side wall plates of the folded double upright wall sections of the locking body are connected to each other. A locking piece is formed by cutting a part thereof downwardly and outwardly, separating the lower ends from the above-mentioned both side wall plate parts, and bending the middle portions inwardly to form a lower inclined engagement part, A locking tool for a decorative member of an automobile, which is formed by expanding symmetrically on both outer sides of a folded double upright wall.