JPH0744693Y2 - Cylinder lock mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a structure for mounting a cylinder lock, and in particular, to a cylinder lock that can omit a snap ring conventionally required for mounting the cylinder lock on an escutcheon of an outdoor handle of an automobile. Regarding the structure.

2. Description of the Related Art FIGS. 8 to 11 show a conventional cylinder lock mounting structure which is mounted on an escutcheon of an outdoor handle for an automobile. A cylindrical portion 2 having a hole 2a penetrating to the front side is projected and integrally formed at the rear portion of the escutcheon 1 formed of a metal such as zinc or a synthetic resin such as a polyacetal resin. Escussion 1 has 9 outdoor handles
Is rotatably attached by a known method. The cylindrical portion 2 is provided with a projecting portion 3 which projects in the radial direction and is formed in the length direction, and a guide groove 3 a is formed inside the projecting portion 3.
Slits 4 are formed on the protrusion 3 in the circumferential direction.

The snap ring 5 having elasticity is fitted to the outer circumference of the cylindrical portion 2 in a state of being expanded in diameter, and the bent portion 6 formed by bending the snap ring 5 inward is formed by the elastic force of the snap ring 5. It is attached to the slit 4 of 2. As shown in FIG. 11, the bent portion 6 of the snap ring 5 projects inside the cylindrical portion 2.

The case 7a of the cylinder lock 7 has an inclined surface provided on the front portion.
A stopper portion 8 having a stopper surface 8b provided at a rear portion thereof is provided so as to project. When the cylinder lock 7 is mounted in the hole 2a of the cylindrical portion 2, the stopper portion 8 is pressed into the guide groove 3a. As a result, the inclined surface 8a of the stopper portion 8 abuts on and rides over the bent portion 6 of the snap ring 5, and the stopper surface 8b and the bent portion 6 are engaged. Therefore, the axial reverse movement and rotation of the cylinder lock 7 in the cylindrical portion 2 are prevented. Although not shown, the cylinder lock 7 is operatively connected to the door lock device and operated to lock or unlock the door lock device.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned conventional cylinder lock 7, since the diameter of the snap ring 5 is enlarged as a whole when it is mounted, the snap ring 5
The bent portion 6 of may shift to the outside of the slit 4,
In this case, there is a risk that the stopper portion 8 will come off the snap ring 5 and the cylinder lock 7 will be pulled out from the cylindrical portion 2.

In order to solve such a problem, the applicant of the present invention has
A cylinder lock mounting structure has been proposed as described in JP-A-60-108654. Although not shown, in the structure of the above-mentioned publication, both ends of the snap ring 5 are brought into contact with the projections 3 of the cylindrical portion 2 to prevent the bent portion 6 of the snap ring 5 from falling out within the slit 4.

However, in the cylinder lock mounting structure shown in the above publication, the problem that the bent portion of the snap ring is displaced from the slit can be solved, but the snap ring is less easily assembled, and a snap ring with high dimensional accuracy is provided. There was a drawback that had to be manufactured.

An object of the present invention is to provide a mounting structure for a cylinder lock that can be securely and easily mounted on an escutcheon fixed to a door panel via an end cover without using a snap ring.

Means for Solving the Problems A cylinder lock mounting structure according to the present invention comprises an escutcheon (1) fixed to a door panel (16) and a cylinder lock (2) mounted in a cylindrical portion (2) formed in the escutcheon (1). (7) and an end cover (10) interposed between the door panel (16) and the escutcheon (1). The case (7a) of the cylinder lock (7) is provided with a stopper portion (8) having an inclined surface (8a) provided in the front part and a stopper surface (8b) provided in the rear part, and the case (7a) of the case (7a) Stopper (8b) located in the guide groove (3a)
Prevents the cylinder lock (7) from rotating and falling out within the cylindrical portion (2) of the escutcheon (1). End cover (1
The bent part (12) of the elastic arm part (11) provided in (0) is formed in the case (7a) and is formed in the case (7a).
Is arranged in the opening (15) communicating with the guide groove (3a). When the cylinder lock (7) is mounted in the cylindrical part (2) of the escutcheon (1), the stopper part (8b) of the case (7a) gets over the bent part (12) of the arm part. When the stopper part (8) of the case (7a) gets over the bent part (12) of the arm part (11), the arm part (11) is elastically deformed outward in the opening part (15) of the case (7a). After that, the stopper surface (8b) of the case (7a) turns into the arm part (11).
The cylinder lock (7) is locked by the bent portion (12) and prevents the cylinder lock (7) from falling off.

For example, the end cover (10) is arranged between the escutcheon (1) and the door panel (16) of the outdoor steering wheel of the automobile. The arm portion (11) may further have an inclined portion (13) formed at the tip of the bent portion (12). In one embodiment of the present invention, the guide groove (3a) of the cylindrical portion (2) is formed at a position displaced by a certain angle with respect to the drainage notch formed in the bottom portion of the cylindrical portion (2). In another embodiment, the notch (14) for draining water is formed in the arm (11).

Action After attaching the end cover (10) to the escutcheon (1) and inserting the cylinder lock (7) into the cylindrical part (2),
The bent part (12) of the end cover (10) is the arm part (11).
It is moved to the outside by the inclined surface (8a) of the stopper portion (8) formed in the case (7a) of the cylinder lock (7) against the elasticity of the. Further, when the cylinder lock (7) is pushed into the cylindrical part (2), the bending part (12) engages with the stopper surface of the stopper part (8) due to the elasticity of the arm part (11) itself, and the cylinder lock (7). (7) is prevented from falling off and rotating. In this way, the cylinder lock (7) can be easily and surely mounted in the cylindrical portion (2) of the escutcheon (1) with one touch without using a snap ring.

Embodiment An embodiment of the cylinder lock mounting structure according to the present invention will be described below with reference to FIGS. In these drawings, the same parts as those shown in FIGS. 8 to 11 are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 1, the door panel 16 and the escutcheon 1
An arm portion 11 is integrally formed with the end cover 10 disposed between the arm cover 11 and the end cover 10. The arm portion 11 is provided with a claw portion 11a provided at the base of the arm portion 11, a bent portion 12 provided on the opposite side of the claw portion 11a, and a drain hole 14. Bend 12
Includes an abutting portion 12a protruding from the arm portion 11 and an inclined portion 13 formed at the tip of the abutting portion 12a. Arm part 11
The bent portion 12 of the arm portion 11 is arranged in the opening 15 formed in the protrusion 3 of the cylindrical portion 2, and the claw portion 11 of the arm portion 11 is provided.
The a engages with the end of the opening 15, and the contact portion 12a projects into the guide groove 3a.

When mounting the cylinder lock 7 in the hole 2a of the cylindrical portion 2,
As shown in the figure, the cylinder lock 7 is pressed from the rear into the hole 2a. Therefore, the bent portion 12 of the end cover 10 is moved outward by the inclined surface 8a of the stopper portion 8 formed on the case 7a of the cylinder lock 7 against the elasticity of the arm portion 11. The inclined surface 8a of the stopper portion 8 of the case 7a passes over the inclined portion 13 while pressing the bent portion 12 to the outside, and passes over the bent portion 12 of the arm portion 11. The stopper part 8 of the case 7a is an arm part
When getting over the bent part 12 of the 11, the arm part 11
It is elastically deformed outward in the opening 15 of 7a. Furthermore,
When the cylinder lock 7 is pushed into the hole 2a, the stopper portion 8 is placed completely inside the bent portion 12, and the bent portion 12 is engaged with the stopper surface 8b of the stopper portion 8 by the elasticity of the arm portion 11 itself. As a result, the cylinder lock 7 is prevented from falling off and rotating. In this way, the cylinder lock 7 can be easily and reliably fixed in the hole 2a of the escutcheon 1 with one touch without using a snap ring.

The above embodiments of this invention can be modified. For example, as shown in FIG. 7, the arm portion 11 may be arranged outside the cylindrical portion 2 and the bent portion 12 may be engaged with the stopper portion 8 through the opening 15.

Further, in the illustrated embodiment, since the notch for draining water of the cylinder lock 7 is required at the bottom of the cylindrical portion 2, the arm portion is required.
A drain hole 14 must be formed in 11. Therefore, the guide groove is formed in the notch for draining water formed in the cylindrical portion 2.
The 3a may be formed at a position shifted by a certain angle.

Effect of the Invention As described above, in the cylinder lock mounting structure according to the present invention, the cylinder lock can be mounted on the cylindrical portion with one touch without requiring a snap ring. Further, since the arm portion is fixed to the end cover, once the bent portion is engaged with the stopper portion of the cylinder lock, there is no risk of disengagement between the bent portion and the stopper portion.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of a cylinder lock mounting structure according to the present invention, FIG. 2 is a partial perspective view of a cylindrical portion, FIG. 3 is a perspective view of the cylindrical portion seen from a different direction, and FIG. FIG. 5 is a partial perspective view of an end cover including an arm portion, FIG. 5 is a perspective view of the arm portion viewed from a different direction, FIG. 6 is a sectional view showing a state in which a cylinder lock is mounted, and FIG. Sectional view showing an embodiment, FIG. 8 is a sectional view showing a conventional mounting structure,
FIG. 9 is an exploded perspective view of a conventional mounting structure, FIG. 10 is a partial perspective view of a cylindrical portion, and FIG. 11 is a rear view of the cylindrical portion. 1 ... Escussion, 2 ... Cylindrical part, 2a ... Hole, 3a ...
… Guide groove, 7 …… Cylinder lock, 7a …… Case, 8 …… Stopper part, 8a …… Inclined surface, 8b …… Stopper surface, 9 …… Outdoor handle, 10 …… End cover, 11 …… Arm part , 12 …… Bent part, 13 …… Inclined part, 14 …… Drainage hole,
15 …… Opening part, 16 …… Door panel

Claims (5)

[Scope of utility model registration request] 1. A case of a cylinder lock, comprising: an escutcheon fixed to a door panel, a cylinder lock mounted in a cylindrical portion formed on the escutcheon, and an end cover interposed between the door panel and the escutcheon. Equipped with a stopper having an inclined surface provided on the front part and a stopper surface provided on the rear part, the stopper part arranged in the guide groove of the case prevents the cylinder lock from rotating and coming off in the cylindrical part of the escutcheon. In the mounting structure of the cylinder lock, the bent part of the elastic arm provided on the end cover is arranged in the opening formed in the case and communicating with the guide groove of the case, and the cylinder lock is provided in the cylindrical part of the escutcheon. When installing the case, the stopper part of the case rides over the bent part of the arm part and the stopper part of the case When overcoming the bent part, the arm part elastically deforms outward in the opening part of the case, and the stopper surface of the case is locked to the bent part of the arm part to prevent the cylinder lock from falling off. Cylinder lock mounting structure. 2. The cylinder lock mounting structure according to claim 1, wherein the end cover is arranged between the escutcheon of the outdoor handle of the automobile and the door panel. 3. The cylinder lock mounting structure according to claim 1, wherein an inclined portion is further formed at the tip of the bent portion of the arm portion. 4. The cylinder lock mounting structure according to claim 1, wherein the guide groove of the cylindrical portion is formed at a position displaced by a certain angle with respect to the notch for draining water formed in the bottom portion of the cylindrical portion. . 5. The cylinder lock mounting structure according to claim 1, wherein the arm portion is provided with a notch portion for draining water.