JPH1037546A - Mounting structure of automobile key cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the dropping-out of a retainer clip from a key cylinder and improve the burglary preventing property by engagingly locking the stopper hook of the insert spring piece of the retainer clip to the end surface of the lock projection of the key cylinder in the state where it is passed through a clip locking slit provided on the locking projection. SOLUTION: The stopper hook 20 of the insert spring piece 11 of a retainer clip 10 is engagingly locked to the end surface of the lock projection of a key cylinder 1 in the radial direction of the key cylinder 1 in a position where it is passed through a clip locking slit 7 provided on the lock projection 3. Thus, even if the key cylinder 1 is twisted by an unfair locking input to deflect and deform the insert spring piece 11 between a body panel and the upper jaw part 7a of the clip locking slit 7 in the compressed direction, the stopper hook 20 protruded in the radially direction of the key cylinder 1 of the insert spring piece 11 is only slid in the axial direction of the key cylinder 1 to the end surface of the lock projection 3, and the engagement between the stopper hook 20 and the end surface of the lock projection 3 is never released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile key cylinder mounting structure.

[0002]

2. Description of the Related Art FIGS. 17 and 18 show a conventional mounting structure of a key cylinder for an automobile. A pair of rotation preventing projections 3 and 4 are provided on an end of a key cylinder 1 on a flange 2 side, respectively. On the other hand, the mounting hole 6 of the vehicle body panel 5 is formed in a shape that matches the outer shape of the end of the key cylinder 1 where the detent projections 3 and 4 are formed.
The key cylinder 1 is prevented from rotating by inserting and engaging the rotation preventing protrusions 3 and 4 with the groove 6a of the key cylinder 1.

The key cylinder 1 is prevented from being pulled out of the vehicle body panel 5 by inserting a substantially U-shaped retainer clip 10 between the pair of upper and lower rotation preventing projections 3 and 3 and the vehicle body panel 5. I have.

More specifically, a clip locking slit 7 parallel to the body panel 5 is formed at a position slightly away from the body panel 5 on the side of the flange portion 2 of the rotation preventing projections 3. In addition, a groove 8 is provided in the back of the clip locking slit 7 on the side of the upper jaw 7a.

[0005] The retainer clip 10 has a pair of insertion spring pieces 11, 11.
Of the key cylinder 1 is prevented by inserting the inner edge of the key cylinder 1 into the clip locking slits 7, 7 of the rotation preventing projections 3, 3.

The insertion spring piece 11 has a flat bridge portion 12 which elastically contacts the upper jaw 7a of the clip locking slit 7.
And a sliding contact guide slant 13 bent down and inclined to the tip of the bridge portion 12 and connected thereto, and bent and formed on the inner edge of the bridge portion 12 to be inserted into and engaged with the groove 8 of the clip locking slit 7. And a locking piece 14 for preventing the insertion spring pieces 11, 11 from being deformed in the expanding direction.

The locking piece 14 extends to the sliding contact guide oblique piece 13 side at the tip end thereof, passes through the groove 8 of the clip locking slit 7 and engages with the end face of the rotation preventing projection 3 in the axial direction of the key cylinder 1. A retaining hook 15 is formed.

A notch 16 is formed on the inner edge of each of the sliding guide oblique pieces 13, 13, so that when inserting the insertion spring pieces 11, 11 into the slits 7, these sliding guide obliques are formed. Piece 1
The inner edges of 3, 13 are prevented from being hooked on the lower jaw 7b of the slit 7 projecting from the body panel 5 surface.

This similar structure is disclosed, for example, in Japanese Patent Laid-Open No. 5-202.
No. 651.

[0010]

SUMMARY OF THE INVENTION Insertion spring pieces 11, 11
The locking pieces 14 of the key cylinder 1
Of the insertion spring pieces 11, 11 to prevent the insertion spring pieces 11, 11 from being deformed in the expanding direction, and to engage the locking pieces 14, 1.
At the position where the retaining hooks 15, 15 at the distal end of the key 4 have passed through the grooves 8, 8, the end faces of the rotation preventing projections 3 are engaged in the axial direction of the key cylinder 1, and the groove 8, 8, 8
The key cylinder 1 is twisted by an unauthorized unlocking input, and the insertion spring pieces 11, 11 are compressed in the compression direction between the surface of the vehicle body panel 5 and the upper jaw 7a of the clip locking slit 7. When the flexure is deformed, the retaining hooks 15 and 15 are displaced and moved in the axial direction of the key cylinder 1 due to the flexure and disengage from the end face of the rotation preventing projection 3, and the retainer clip 10 is detached from the key cylinder 1. there's a possibility that.

Accordingly, the present invention provides a mounting structure for a key cylinder for an automobile which can further enhance the antitheft effect without the retainer clip being detached from the key cylinder even if the key cylinder is twisted by an unauthorized unlocking input. Is what you do.

[0012]

According to a first aspect of the present invention, opposed inner edges of a downwardly inclined sliding guide oblique piece formed at the tip of a pair of insertion spring pieces of a retainer clip having a substantially U-shape in plan view. At a position where the rotation preventing projection provided on the peripheral surface of the key cylinder penetrating the vehicle body panel is slightly separated from the vehicle body panel, the hook is engaged with the lower jaw of the clip locking slit formed parallel to the vehicle body panel surface. Form a notch to avoid,
The insertion spring piece is inserted into the clip locking slit of the rotation preventing projection of the key cylinder penetrating the vehicle body panel, and is elastically disposed between the vehicle body panel and the upper jaw of the clip locking slit. In the structure in which the insertion spring piece passes through the clip engagement slit, the insertion spring piece protrudes in the radial direction of the key cylinder, and It is characterized in that a retaining hook that locks in the radial direction of the key cylinder is provided.

According to a second aspect of the present invention, a groove is formed on the upper jaw side of the clip locking slit of the rotation preventing projection of the key cylinder according to the first aspect, while the insertion spring of the retainer clip is provided. A locking piece inserted into and engaged with the groove is bent and formed on the opposing inner edge of the piece, and a retaining hook is formed at the tip of the locking piece.

According to a third aspect of the present invention, the retaining hook according to the second aspect is formed so as to extend toward the oblique side of the sliding contact guide at the tip end of the locking piece and to be folded back in a substantially U-shaped plane. The folded edge is locked in the radial direction of the key cylinder with respect to the end face of the rotation preventing projection of the key cylinder.

According to a fourth aspect of the present invention, the folded edge of the retaining hook according to the third aspect is formed as an inclined guide edge bent toward the side surface of the locking piece.

According to a fifth aspect of the present invention, the retaining hook according to the second aspect extends to the oblique side of the sliding guide at the tip of the locking piece and is bent and formed into a substantially L-shape in plan view. An insertion guide that has a base in the shape of a key that is locked in the radial direction of the key cylinder with respect to the end face of the detent protrusion of the key cylinder, and that has a tip that is inclined from the base end toward a substantially extension of the locking piece. It is characterized by being formed as a piece.

According to a sixth aspect of the present invention, there is provided a retaining hook according to the first aspect, wherein a base piece bent toward the vehicle body panel side is formed on opposite inner edges of the insertion spring piece, and a rear portion of the base piece is provided. Hooks that extend rearward at the ends and are bent and formed diagonally toward the inside of the key cylinder in the radial direction, respectively, and the rear ends of which engage with the inside of the key cylinder in the radial direction with respect to the end faces of the detent projections It is characterized in that it is constituted by a piece.

According to a seventh aspect of the present invention, the retaining hook according to the first aspect is bent toward the body panel side at the edge of the notch of the sliding guide oblique piece, and is pressed against the body panel by an external force. As a result, the key cylinder is opened and deformed radially inward, and is formed so as to be locked on the radially inner side of the key cylinder with respect to the end face of the rotation preventing projection.

[0019]

According to the first aspect, at the position where the retaining hook of the insertion spring piece of the retainer clip has passed through the clip locking slit provided on the detent projection of the key cylinder, the end face of the detent projection is provided. The key cylinder is locked in the radial direction of the key cylinder, so the key cylinder is twisted by an unauthorized unlocking input and the insertion spring piece is bent in the compression direction between the body panel and the upper jaw of the clip locking slit. Even if deformed, the retaining hook only slides in the axial direction of the key cylinder with respect to the end face of the rotation preventing projection without disengaging from the end face. The falling off can be reliably prevented, and the antitheft property can be further improved.

According to the second aspect, in addition to the effect of the first aspect, the locking piece of the insertion spring piece is locked in the groove portion continuously provided on the upper jaw side of the clip locking slit, and the insertion is performed. Since the bending deformation of the spring piece in the expanding direction is prevented, the retainer clip can be more securely prevented from dropping from the key cylinder, and the antitheft property can be further improved.

According to the third aspect, in addition to the effect of the second aspect, the retaining hook is formed so as to be folded back in a substantially U-shape at the tip of the locking piece, so that the U-shaped tip is formed into a groove. As a guide for insertion into the groove, the locking piece can be smoothly inserted into the groove portion without being caught, and the retaining hook is formed into a substantially U-shaped flat surface so as to be in contact with the end face of the rotation preventing projection. Since the retaining hook has a spring property in the engaging direction, when the retaining hook is compressed and deforms through the groove and passes through the groove, the folded edge is restored to the end face side of the detent projection by its own spring force and is engaged with the end face. As a result, a click feeling is obtained, and it is possible to easily determine whether or not the retaining hook is engaged, and it is possible to prompt the worker to securely attach.

According to the fourth aspect, in addition to the effect of the third aspect, the folded edge of the retaining hook is formed as an inclined guide edge bent toward the side surface of the locking piece. When removing the retainer clip from the key cylinder at the time of repair, etc., the inclined guide edge slides on the corner between the end face of the detent projection and the groove to engage the retaining hook with the detent projection. It can be easily removed and workability can be improved.

According to the fifth aspect, in addition to the effect of the second aspect, since the retaining hook is bent at the end of the locking piece into a substantially L-shaped plane, it can be easily formed. ,
Since the tip of the retaining hook is formed as an inclined insertion guide piece, the retaining piece can be smoothly inserted from the retaining hook side into the groove without being caught.

Further, since the retaining hook extends to the distal end of the locking piece and is provided with resilience in the direction of engagement with the end face of the rotation preventing projection, the retaining hook forms a groove on the inner surface thereof. The base part bent in an L-shape by its own spring force engages with the end face of the rotation preventing projection when it comes into contact with the spring, and a click feeling is obtained, and it is easy to judge whether the retaining hook can be engaged or not. Can be encouraged, and the worker can be surely engaged.

According to the sixth aspect, in addition to the effect of the first aspect, the base piece of the retaining hook is bent at the inner edge of the insertion spring piece toward the vehicle body panel side, and the hook piece is attached to the rear end thereof. Since it is bent obliquely inward and extended to provide spring properties, when the insertion spring piece is inserted into the clip locking slit, the base piece and the hook piece do not get caught. It can be inserted smoothly, and when the hook piece passes through the clip locking slit, it restores inward in the radial direction of the key cylinder by its own spring force and engages with the end face of the detent projection to give a click feeling. As a result, it is possible to easily determine whether or not the retaining hook can be engaged, and it is possible to prompt the worker to securely engage.

According to the seventh aspect, in addition to the effect of the first aspect, in addition to the effect of the first aspect, the key cylinder is pryed by an unauthorized unlocking input, and the insertion spring piece is moved between the body panel surface and the upper jaw of the clip locking slit. Only when the retaining hook is pressed against the vehicle body panel when it is bent and deformed in the compression direction, the retaining hook opens and deforms inward in the radial direction of the key cylinder and projects, and engages with the end face of the detent projection to prevent the retaining. In the normal state, the retaining hook is in the width dimension area of the insertion spring piece, and when the insertion spring piece is inserted into and removed from the clip locking slit, the retaining hook may not be caught at all. Not
Attachment / removal work of the retainer clip at the time of repair of the key cylinder or the like can be easily performed.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the accompanying drawings, in which the same reference numerals are assigned to the same parts as in the above-mentioned conventional configuration.

1 to 4, a key cylinder 1 inserted into a mounting hole 6 of a vehicle body panel 5 has a substantially U-shaped retainer clip between a pair of upper and lower rotation preventing projections 3, 3 and the vehicle body panel 5. 10 is inserted to prevent the vehicle body panel 5 from coming off.

The pair of insertion spring pieces 11 of the retainer clip 10 are connected to the clip locking slits 7 of the rotation preventing projections 3.
A flat bridge portion 12 elastically in contact with the upper jaw portion 7a surface, a sliding contact guide slant 13 which is bent downward at the tip of the bridge portion 12 and is continuously provided, and a bent portion is formed on the inner edge of the bridge portion 12; The clip engaging slit 7 is inserted into and engaged with the groove 8 continuously provided on the upper jaw 7a side, and the insertion spring pieces 11, 11 are inserted.
And a locking piece 14 for preventing bending deformation in the expanding direction.

A notch 16 is formed in the inner edge of the sliding guide oblique pieces 13, 13 so that when the insertion spring pieces 11, 11 are inserted into the clip locking slits 7, these slides are provided. The inner edges of the contact guide oblique pieces 13, 13 are prevented from being caught on the lower jaw 7b of the clip locking slit 7 protruding from the body panel 5 surface.

The insertion spring pieces 11, 11 of the retainer clip 10 are located at positions where the insertion spring pieces 11, 11 pass through the clip locking slits 7 of the detent projections 3, 3 of the key cylinder 1. The retaining hooks 20, 20 projecting in the radial direction of the key cylinder 1 and locking in the radial direction of the key cylinder 1 are formed on the end faces of the rotation preventing projections 3, 3.

In this embodiment, a retaining hook 20 is formed at the tip end of a locking piece 14 which is bent at the inner edge of the bridge portion 12 of the insertion spring pieces 11 and 11 described above.

The retaining hook 20 is formed so as to extend toward the sliding guide oblique 13 side at the leading end of the locking piece 14 and to be folded inward in a substantially U-shape in a plane. The width is set slightly larger than the width of the groove 8 of the clip locking slit 7.

According to the structure of the above embodiment, the insertion spring pieces 11, 11 of the retainer clip 10 are
When the locking pieces 14, 14 are inserted into the groove portions 8, 8 connected to the clip locking slits 7, 7, the leading end portions are inserted. When the retaining hooks 20, 20 having a substantially U-shape in a plane are compressed and deformed and slide in the grooves 8, 8 and pass through the grooves 8, 8, the return ends are returned by the spring force of the retaining hooks 20, 20 themselves. The edge is restored to the inside, and is locked radially inward of the key cylinder 1 with respect to the end faces of the detent projections 3, 3 as shown in FIGS.

Accordingly, the key cylinder 1 is incorrectly pryed and the vehicle body panel 5 is deformed, and the bridge portions 12 and 12 of the insertion spring pieces 11 and 11 are connected to the vehicle body panel 5 and the clip retaining slits 7 and the upper jaw portion 7a. , 7a, the bent edges of the retaining hooks 20, 20 only slide in the axial direction of the key cylinder 1 with respect to the end faces of the detent projections 3, 3. As a result, the retainer clip 10 does not fall off from the key cylinder 1 without fail.

In this embodiment, in particular, the clip engaging slits 7,
Locking pieces 7, 7 that are inserted into and engaged with grooves 8, 8 provided continuously with
Locking pieces 14, 1 which are inserted into and engaged with the grooves 8, 8 connected to the
4 is formed by bending, and the retaining hooks 20, 20 are formed at the tips of the locking pieces 14, 14, so that when the key cylinder 1 is tipped as described above, the insertion spring is inserted. Even in the case where the pieces 11, 11 deform in the compression direction accompanied by the deformation in the expansion direction, these locking pieces 14, 1
4 and the groove portions 8, 8, the insertion spring pieces 11, 11
Of the retainer clip 10 from the key cylinder 1 can be more reliably prevented, and the antitheft property can be significantly improved.

The retaining hooks 20, 20 are substantially U-shaped.
Since the hooks are folded back into a U-shape, the tips of the U-shaped retaining hooks 20, 20 serve as insertion guides into the grooves 8, 8, and the locking pieces 14, 14 are hooked on the grooves 8, 8, respectively. Can be smoothly inserted without causing the problem, and the mounting workability of the retainer clip 10 can be improved.

Further, these retaining hooks 20, 20 are formed by folding back in a substantially U-shape in a plane, so that the rotation preventing projections 3, 20 are formed.
3 is provided with a spring property in the direction of engagement with the end face, and when these retaining hooks 20, 20 pass through the grooves 8, 8, the folded edges are restored to the inside by their own spring force, and the detent projections are formed. Since a click feeling can be obtained by engaging the end faces of the hooks 3 and 3, it is possible to easily determine whether or not the hooks 20 and 20 can be engaged, and to prompt the worker to attach securely. .

The embodiment shown in FIG. 5 is a retaining hook 2 formed by folding back into a substantially U-shaped plane in the above embodiment.
The folded edges of 0 and 20 are formed as inclined guide edges 21 and 21 bent toward the side surfaces of the locking pieces 14 and 14, respectively.

Therefore, according to this embodiment, the same effects as those of the above embodiment can be obtained. In addition, when the retainer clip 10 is detached from the key cylinder 1 at the time of repairing the key cylinder 1 or the like, the inclined guide edges 21 and 21 are required. Are non-rotating projections
The engagement between the retaining hooks 20, 20 and the detent protrusions 3, 3 can be easily disengaged by sliding the corners at the boundaries between the end surfaces of the grooves and the grooves 8, 8, thereby improving workability. it can.

In each of the above embodiments, the retaining hook 2
Although 0 and 20 are formed by folding inward in a substantially U-shaped plane, they are formed by folding back and the folded edges are locked radially outward of the key cylinder 1 against the end faces of the detent projections 3 and 3. You may make it.

The embodiment shown in FIGS.
4 shows a different example of the retaining hooks 20 at the distal end portion of FIG.

In this embodiment, the retaining hook 2
The reference numerals 0, 20 extend to the sliding contact guide oblique pieces 13, 13 at the leading end portions of the locking pieces 14, 14, and are bent outwardly into substantially L-shaped planes to form a base 22 bent into the L-shape. , 22 are locked radially outward with respect to the end faces of the rotation preventing projections 3, 3 of the key cylinder 1.
The insertion guide pieces 23, 23 are formed on the extension of the locking pieces 14, 14 from the base pieces 2, 22 substantially, that is, inwardly inclined.

These retaining hooks 20, 20 are locking pieces 1
The bent heights of the clips 4 and 14 are the same so that they do not come off the side openings of the clip locking slits 7 and 7.

Therefore, even in the case of this embodiment, the key cylinder 1 is incorrectly twisted and the insertion spring pieces 11, 11 are inserted.
Even if the bridge portions 12 and 12 are flexed and deformed in the compression direction,
The bases 22, 22 of the retaining hooks 20, 20 only slide in the axial direction of the key cylinder 1 on the end faces of the detent projections 3, 3 without being disengaged from the end faces. Even in the case where the bending deformation 12 occurs in the expanding direction, the locking pieces 14 prevent the bending deformation in the expanding direction, so that the retainer clip 1 from the key cylinder 1 can be prevented.
0 can be reliably prevented from falling off, thereby improving the antitheft property.

Further, since the tips of the retaining hooks 20, 20 are formed as inclined insertion guide pieces 23, 23, the insertion guide pieces 23 are inserted when the locking pieces 14, 14 are inserted into the grooves 8, 8. , 23 allows the grooves 8, 8 to be inserted smoothly without being caught, and of course, the retaining hooks 20, 20 are extended to the tips of the locking pieces 14, 14 so that the detent projections 3, 3 is provided with a spring property in the direction of engagement with the end face, and the bases 22, 22 are bent inward in the grooves 8, 8 and slid. Since the click hooks are restored to the end faces of the rotation preventing projections 3 and 3 and a click feeling is obtained in the same manner as in the above embodiment, it is possible to easily determine whether the retaining hooks 20 and 20 can be engaged. , Can encourage the workers to engage securely .

In particular, in this embodiment, as described above, the retaining hooks 20, 20 extend from the tips of the locking pieces 14, 14 and are bent into a substantially L-shaped plane so as to obtain a spring property. Therefore, the formability can be improved as compared with the case where the sheet is folded in a substantially U-shaped plane at a small opening interval.

In this embodiment, the retaining projections are bent outwardly in a substantially L-shaped plane, but conversely, they may be bent inwardly into a substantially L-shaped plane. Often,
In any case, since the surface of the base 22 is locked to the end surface of the rotation preventing projection 3, when removing the retainer clip 10 at the time of repairing the key cylinder 1 or the like, the surface of the base 22 is in contact with the end surface of the rotation preventing projection 3. By slipping on the corner at the boundary with the groove 8, the engagement of the detent with the end face of the projection 3 can be easily released, and the workability can be improved.

In any of the embodiments shown in FIGS. 8 to 16, there is no groove 8 in the clip locking slit 7 of the rotation preventing projections 3, 3 of the key cylinder 1, so that the insertion spring piece 11 of the retainer clip 10 has General-purpose type key cylinder 1 without retaining piece 14 engaging with groove 8 and retainer clip 10
To which the present invention is applied.

Here, in the embodiment shown in FIGS. 8 to 10, the retaining hooks 20, 2 of the retainer clip 10 are used.
0 is formed on the inner edge of the front side of the bridge portions 12, 12 of the insertion spring pieces 11, 11.

The retaining hooks 20, 20 are formed on the inner edges facing the bridge portions 12, 12, respectively, with base pieces 24, 24 bent at right angles toward the vehicle body panel 5 side, and rear ends of the base pieces 24, 24. While extending toward the rear,
Hook pieces 2 each of which is bent obliquely toward the radially inner side of the key cylinder 1 and whose rear end locks radially inward of the key cylinder 1 with respect to the end faces of the detent projections 3, 3.
5, 25.

Therefore, this general-purpose key cylinder 1
And the retainer clip 10, the insertion spring piece 11,
11, the clip locking slits 7 of the detent projections 3, 3
7, and when the retaining hooks 20, 20 on the inner edges of the bridge portions 12, 12 pass through these clip retaining slits 7, 7, the rear ends of the hook pieces 25, 25 come into contact with the end faces of the detent projections 3, 3. The retainer clip 10 is locked on the inside of the key cylinder 1 in the radial direction to prevent the retainer clip 10 from being removed.

Even in the case of this embodiment, the key cylinder 1 is incorrectly pryed and the bridge portions 12, 12 are in contact with the body panel 5 and the clip locking slits 7, 7, and the upper jaw portion 7,
a, 7a, the rear ends of the hook pieces 25, 25 of the retaining hooks 20, 20 slide on the end faces of the detent projections 3, 3 in the axial direction of the key cylinder 1 even if they are flexed and deformed in the compression direction. Therefore, the retainer clip 10 does not come off from the key cylinder 1 and the anti-theft property can be improved.

The base pieces 24, 24 of the retaining hooks 20, 20 are bent at right angles toward the body panel 5 on the inner edges of the bridge portions 12, 12, and hook pieces 25, 25 are formed at the rear ends thereof. Are bent obliquely inward toward the inside and extended to provide spring properties, so that when the insertion spring pieces 11, 11 are inserted into the clip locking slits 7, 7, the base piece 2
4 and 24 and the clip pieces 25 and 25 can be smoothly inserted without being caught, and when the hook pieces 25 and 25 pass through the clip locking slits 7 and 7, the key cylinder 1 is moved by its own spring force. The retaining hooks 25 and 25 can be easily judged as to whether or not the retaining hooks 25 can be engaged because the clicks are obtained by restoring radially inward and engaging with the end faces of the rotation preventing projections 3 and 3. Can be encouraged, and the worker can be surely engaged.

In the embodiment shown in FIGS.
The retaining hooks 20, 20 are bent toward the body panel 5 side at the notch portions 16, 16 at the inner edges of the sliding contact oblique pieces 13, 13, and the retaining hooks 20, 20 are bent by the external force. When pressed against the panel 1, the key cylinder 1 is formed so as to be opened radially inward and radially inward of the key cylinder 1 against the end faces of the rotation preventing projections 3, 3. It is.

In order for the retaining hooks 20, 20 to be opened and deformed inward by the pressure contact with the body panel 5, it is preferable that the notches are not protruded inward from the inner edges of the bridge portions 12, 12. It is preferable to bend at an angle of 90 degrees or less from the edges of the portions 16 and 16.

Therefore, according to the structure of this embodiment, the key cylinder 1 is incorrectly pryed and the insertion spring pieces 11, 11
Is deformed in the compression direction between the body panel 5 surface and the clip retaining slits 7, the upper jaws 7 a, 7 a, and the retaining hooks 20, 20 are pressed against the body panel 5 surface so that these retaining hooks are pressed. As shown in FIG. 16, the retaining hooks 20, 20 open and deform inward in the radial direction of the key cylinder 1 so as to protrude. Locking the retainer clip 10 from the key cylinder 1 prevents the retainer clip 10 from dropping off from the key cylinder 1, and the anti-theft property can be further enhanced as in the above-described embodiments.

The retaining hooks 20, 20 are first opened radially inward of the key cylinder 1 by being pressed against the surface of the vehicle body panel 5 so as to be deformed and extended. 20, 20 are within the width dimension of the insertion spring pieces 12, 12, and are inserted into the insertion spring pieces 11, 11;
When the key cylinder 1 is inserted into or detached from the clip engaging slits 7, the retaining hooks 20 are not hooked at all. Therefore, the work of attaching and detaching the retainer clip 10 at the time of repairing the key cylinder 1 and the like can be easily performed. be able to.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is an exemplary perspective view showing an assembled state of the embodiment;

FIG. 3 is an explanatory sectional view showing an assembled state of the embodiment.

FIG. 4 is a side view showing an assembled state of the embodiment.

FIG. 5 is a perspective view showing a main part of a retainer clip according to a second embodiment of the present invention.

FIG. 6 is an exploded perspective view showing a third embodiment of the present invention.

FIG. 7 is an illustrative sectional view showing an assembled state of the embodiment.

FIG. 8 is an exploded perspective view showing a fourth embodiment of the present invention.

FIG. 9 is an illustrative sectional view showing an assembled state of the embodiment.

FIG. 10 is a side view showing the assembled state of the embodiment.

FIG. 11 is an exploded perspective view showing a fifth embodiment of the present invention.

FIG. 12 is an exemplary perspective view showing an assembled state of the embodiment;

FIG. 13 is an illustrative sectional view showing an assembled state of the embodiment.

FIG. 14 is an exemplary side view showing the assembled state of the embodiment;

FIG. 15 is a view as viewed from the direction indicated by the arrow A in FIG. 13;

FIG. 16 is an explanatory view showing the retaining hook of FIG. 15 after deformation.

FIG. 17 is an exploded perspective view showing a conventional structure.

FIG. 18 is a side view showing an assembled state of the conventional structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Key cylinder 3 Detent projection 5 Body panel 7 Clip locking slit 7a Upper jaw 8 Groove 10 Retainer clip 11 Insert spring piece 13 Sliding guide oblique piece 14 Locking piece 16 Notch 20 Detachment hook 21 Inclined guide edge 22 Base 23 Insertion guide piece 24 Base piece 25 Hook piece

Claims (7)

[Claims] 1. A peripheral surface of a key cylinder penetrating a vehicle body panel at an opposing inner edge of a downwardly inclined sliding contact oblique piece formed at a tip of a pair of insertion spring pieces of a retainer clip having a substantially U-shaped flat surface. A notch formed at a position of the rotation preventing projection provided at a position slightly away from the vehicle body panel to avoid catching with a lower jaw of a clip locking slit formed in parallel with the vehicle body panel surface; The spring piece is inserted into the clip locking slit of the detent protrusion of the key cylinder that penetrates the vehicle body panel, and is elastically disposed between the vehicle body panel and the upper jaw of the clip locking slit. In the structure adapted to be fixed to the panel, the insertion spring piece protrudes in the radial direction of the key cylinder at a position where the insertion spring piece has passed through the clip locking slit, with respect to the end face of the detent projection. A key cylinder mounting structure for an automobile, wherein a retaining hook for locking in a radial direction of the key cylinder is provided. 2. A groove portion is continuously provided on the upper jaw side of the clip locking slit of the projection for preventing rotation of the key cylinder, while the groove portion is formed on the opposite inner edge of the insertion spring piece of the retainer clip. 2. A key cylinder mounting structure for an automobile according to claim 1, wherein a locking piece inserted into and engaged with said locking piece is bent and a locking hook is formed at a tip end of said locking piece. 3. The retaining hook is formed so as to extend toward the oblique side of the sliding guide at the tip end of the locking piece and to be folded back in a substantially U-shape in plan view. The folded edge is the end face of the detent projection of the key cylinder. 3. The mounting structure for a key cylinder for an automobile according to claim 2, wherein the key cylinder is locked in a radial direction of the key cylinder. 4. The mounting structure for a key cylinder for an automobile according to claim 3, wherein the folded edge of the retaining hook is formed as an inclined guide edge bent toward the side surface of the locking piece. 5. The retaining hook extends from the leading end of the locking piece toward the oblique side of the sliding guide, and is bent into a substantially L-shape in plan view.
The base bent in the shape of a letter is locked in the radial direction of the key cylinder with respect to the end face of the rotation preventing projection of the key cylinder, and the tip is directed upward from the base end substantially onto the locking piece. 3. The mounting structure for a key cylinder for an automobile according to claim 2, wherein the insertion key is formed as an inclined insertion guide piece. 6. A retainer hook includes a base piece bent and formed toward the body panel side on opposite inner edges of the insertion spring piece;
The base piece is extended rearward at the rear end, and is bent obliquely toward the radially inner side of the key cylinder so that the rear end is radially inward of the key cylinder with respect to the end face of the detent projection. The mounting structure for a key cylinder for an automobile according to claim 1, characterized in that the mounting structure comprises a hook piece that locks to the key cylinder. 7. The retaining hook is bent toward the vehicle body panel side at the edge of the notch portion of the sliding contact guide oblique, and is pressed in contact with the vehicle body panel by an external force to be opened radially inward of the key cylinder. 2. The mounting structure for a key cylinder for an automobile according to claim 1, wherein the locking structure is formed so as to be locked radially inward of the key cylinder with respect to an end face of the rotation preventing projection.