JP2560399Y2 - Temporary fixing structure of key cylinder - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] The present invention is based on the prior art that a steering wheel case and a key cylinder are mounted on a door panel of a vehicle.
The present invention relates to a structure for temporarily fixing a key cylinder to a handle case.

[0002]

2. Description of the Related Art Conventionally, when a handle case of an outside handle is mounted on a door panel of a vehicle, FIG.
As shown in FIG. 1, a key cylinder 11 for door lock is temporarily fixed to a predetermined position of the handle case 10. As this temporary fixing structure, as shown in FIG.
11a is fixed to a dedicated seat 10a provided in the handle case 10 with a bolt 12, or a method shown in FIG.
As shown in FIG. 12, a retainer 15 is inserted into a cylindrical portion 10 c of a handle case 10 in which a key cylinder 11 is fitted, and the retainer 15 is engaged with and fixed to a side projection of the key cylinder 11 (method). As shown in FIGS. 13 and 14, the handle case 10 is provided with a cylindrical portion 10d into which the key cylinder 11 is fitted and a hook 10e which opens in the circumferential direction, while the key cylinder 11 is provided with an engaging claw 11c. A hook type (method) or the like in which the key claw 11 is rotated in the cylindrical portion 10d so that the engaging claw 11c is hooked on the hook 10e and fixed is known. Note that FIG.
13 and FIG. 13, the assembly of the handle case 10 and the key cylinder 11 to the outer panel 13 of the door is as follows.
The projecting piece of the outer panel 13 has a fastening arm 11b of the key cylinder 11 and a mounting seat 10 of the handle case 10.
b is connected via mounting bolts 14. In FIGS. 11 and 12, the key cylinder 11 also serves as a final stop.

[0003]

However, in the above-described method, the key cylinder can be securely fixed to the handle case, but the number of parts increases because bolts are used.
There is a problem in that tools are required for installation, which increases the number of work steps.In the method, the structure is fixed by the elasticity of the retainer, so the work steps are small, but the strength is small and theft resistance is poor. There is. Further, the method has a problem in that the key cylinder is easily dropped because the engaging claw is not fixed in the direction in which the engaging claw is disengaged from the engaging groove because of the simple engaging method.

Therefore, the present invention solves the problem of providing a temporary fixing structure which does not require additional parts and high dimensional accuracy, can be temporarily fixed to the handle case with one touch without using a tool, and is hard to drop. It should be a technical task to be done.

[0005]

In order to solve the above-mentioned problems, in the present invention, a temporary fixing structure of a key cylinder is constituted as follows. That is, it is a structure for temporarily fixing a key cylinder for door lock to a handle case for accommodating a door handle, and a cylinder portion is provided on the back side of the handle case in which the key cylinder is rotatably fitted in a circumferential direction. ,
A longitudinal engagement groove that opens in the axial direction at an axial end of the cylindrical portion,
A projection formed with a lateral engaging groove that opens in the circumferential direction; an engaging claw that is engageable with the lateral engaging groove from the circumferential direction in the key cylinder; Later, an engagement arm engageable with the vertical engagement groove is provided so as to protrude.

[0006]

Therefore, when the key cylinder is temporarily fixed to the handle case, the key cylinder is fitted into the handle case cylinder, the key cylinder is rotated, and the key cylinder engaging claw is provided on the handle case cylinder. After engaging and engaging with the horizontal engaging groove from the circumferential direction, the engaging arm of the key cylinder is dropped and engaged with the vertical engaging groove provided in the cylindrical portion. Thus, the key cylinder is restricted in the circumferential direction and the axial direction, so that it is difficult for the key cylinder to come off.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, a handle case 1 for accommodating an outdoor handle of a vehicle is integrally formed of resin or the like, and is attached to an outer panel 3 of a door together with a key cylinder 2 for locking the door. 4
Mounted via.

The key cylinder 2 has a small cylindrical portion 2a having a small diameter.
The main body is composed of a stepped large cylindrical portion 2b having a larger diameter than that of the small cylindrical portion 2a, and a lock claw 2c that is rotated by a key rotating operation is provided at the tip of the small cylindrical portion 2a. An engaging claw 2d for engaging with the handle case 1 and a fastening arm (engaging arm in the present invention) 2e fixed to the outer panel 3 are provided on the circumferential side of the small cylindrical portion 2a. It protrudes radially in a plane perpendicular to the axis. Further, a bolt hole 2f is formed at the tip of the fastening arm 2e toward the cylinder axis direction.

On the other hand, a round hole 1a for inserting a key is formed at a predetermined position in the handle case 1, and the round hole 1a is formed.
A cylindrical portion 1b having an inner diameter slightly larger than the outer diameter of the key cylinder 2 is provided at a position concentric with the position a. In addition, the cylindrical portion 1b is formed so as to correspond to the shape of the large stepped cylindrical portion 2b of the key cylinder 2 so that the inner diameter gradually decreases in the depth direction. The distal end of the cylindrical portion 1b is provided with a hook-shaped protrusion 5, a detent protrusion 6, and a rotation stop protrusion 7.

As shown in FIGS. 2 and 4, the hook-shaped convex portion 5 forms a circumferentially extending lateral engaging groove 5a for engaging the engaging claw 2d of the key cylinder 2. ,
The opening width of the lateral engaging groove 5a is formed to be slightly larger than the thickness of the engaging claw 2d in the axial direction of the key cylinder 2. Also,
As shown in FIGS. 2 and 3, the detent projection 6 and the detent projection 7 are arranged at a predetermined interval in the circumferential direction of the cylindrical portion 1b, so that the key is located therebetween. Cylinder 2
A vertical engaging groove 8 having substantially the same width as the tightening arm 2e is formed. The height of the detent protrusion 6, that is, the height position of the front end surface 6 a is higher by a predetermined dimension than the rear end surface 2 g of the tightening arm 2 e when the key cylinder 2 is mounted at a predetermined position of the cylindrical portion 1 b. Is set. Further, the rotation preventing projection 7 is formed at a height that allows the fastening arm 2e to abut on the side surface 7a when the key cylinder 2 is rotated in the circumferential direction in the cylindrical portion 1b. The lateral engagement groove 5
As shown in FIG. 2, the a and the vertical engaging groove 8 are arranged corresponding to the mounting angle positions of the engaging claw 2d and the fastening arm 2e, respectively, and have a positional relationship that can be simultaneously engaged. . In addition, the handle case 1 has the structure shown in FIGS.
As shown in (1), a fixing seat 1c protrudes at a position corresponding to the bolt hole 2f of the fastening arm 2e, and a nut 1d for screwing the mounting bolt 4 is welded to the fixing seat 1c.

Next, temporary fixing of the key cylinder 2 of the embodiment configured as described above will be described. First, the key cylinder 2 is fitted into the cylindrical portion 1b of the handle case 1,
The large cylindrical portion 2b of the key cylinder 2 is fitted, and the engaging claw 2d of the key cylinder 2 is made to face the opening of the lateral engaging groove 5a of the cylindrical portion 1b. At this time, the detent convex portion 6 of the cylindrical portion 1b protrudes from the height position corresponding to the rear end surface 2g of the tightening arm 2e of the key cylinder 2 toward the distal end side (the direction in which the key cylinder 2 is removed) as described above. So
The axis of the key cylinder 2 is slightly tilted and rotated with the rear end surface 2g of the tightening arm 2e abutting on the front end surface 6a of the detent projection 6, and the engagement claw 2d is fitted into the lateral engagement groove 5a. Put in. Then, when the side surface of the tightening arm 2e rotates until it comes into contact with the side surface 7a of the rotation preventing projection 7, the tightening arm 2e is brought into a positional relationship capable of engaging with the vertical engagement groove 8, as shown in FIG. From this state, if the key cylinder 2 is pushed in so that the axis of the key cylinder 2 is aligned with the axis of the cylindrical portion 1b, the key cylinder 2 is positioned at a predetermined position on the cylindrical portion 1b.
Is mounted, and the fastening arm 2 e is engaged with the vertical engagement groove 8. Thus, the axial movement of the key cylinder 2 is restricted by the engagement claws 2d and the lateral engagement grooves 5a, and the circumferential rotation is restricted by the fastening arms 2e and the vertical engagement grooves 8. Is temporarily fixed to the handle case 1. Therefore, the key cylinder 2 does not easily come off the handle case 1 only by moving in one direction, and has a structure that is hard to drop.

Thus, the key cylinder 2 temporarily fixed is provided.
As shown in FIG. 1, the bolt 4 inserted into the fixing hole 3 a of the outer panel 3 of the door is inserted into the bolt hole 2 f of the key cylinder 2 and screwed into the nut 1 d of the handle case 1, so that the handle case 1 It is fixed to the outer panel 3.

Next, another embodiment of the present invention will be described with reference to the drawings. 6 to 8 are explanatory diagrams corresponding to FIGS. 3 to 5 of the embodiment. The temporary fixing of the key cylinder 2 to the handle case 1 according to the above-described embodiment exists between the inner peripheral surface of the cylindrical portion 1b and the outer peripheral surface of the large cylindrical portion 2b of the key cylinder 2 fitted therein. This is a structure for temporarily fixing using a gap. First, the engaging claw 2d is engaged with the lateral engaging groove 5a of the cylindrical portion 1b while the axis of the large cylindrical portion 2b is inclined. By pressing the key cylinder 2 so that the axis of the portion 2b is aligned with the axis of the cylindrical portion 1b, the fastening arm 2e is dropped into the vertical engagement groove 8 and engaged therewith. In contrast, FIG.
8, the opening width H of the lateral engagement groove 5a is set to, for example, about twice the thickness of the engagement claw 2d so as to form a gap in the direction in which the key cylinder 2 is pulled out. On the other hand, when the engagement claw 2d is on the upper edge side (withdrawal side) in the horizontal engagement groove 5a, the fastening arm 2e is configured to be located directly above the vertical engagement groove 8. After the engaging claw 2d is engaged with the horizontal engaging groove 5a, the clamping arm 2e is pushed into the vertical engaging groove 8 by pushing the large cylindrical portion 2b in the axial direction, and the axial movement amount of the engaging claw 2d is determined. It is configured to engage by dropping the same distance. When the temporary fixing is performed in such a procedure, there is a condition that a gap exists between the inner peripheral surface of the cylindrical portion 1b and the outer peripheral surface of the large columnar portion 2b of the key cylinder 2 to be fitted therein. It is possible to make a temporary fix without any trouble.

[0014]

As described above, in the key cylinder temporary fixing structure according to the present invention, the key cylinder mounted on the handle case comprehensively restricts rotation in the circumferential direction and movement in the axial direction. As a result, the engaging claw of the key cylinder does not fall off unless the engaging claw moves in the axial direction and the engaging arm rotates in the circumferential direction. Therefore, the key cylinder can be temporarily fixed in a one-touch manner without using an engaging means such as a bolt or a pin for temporary fixing, so that the configuration is inexpensive and no tool is required. Further, the dimensional accuracy of the engaging portion can be made coarse, and the manufacturing cost does not increase. Further, since the temporarily fixed key cylinder is unlikely to fall, the operator can easily perform the mounting work without using nerves, and the efficiency can be increased. In addition, since the outer panel joint fastening structure similar to the conventional one can be followed, the key cylinder can be firmly fixed, and the anti-theft property is not impaired.

[0015]

[Brief description of the drawings]

FIG. 1 is an exploded perspective view illustrating a mounting structure of a handle case and a key cylinder according to an embodiment of the present invention.

FIG. 2 is a fragmentary perspective view showing a state where the key cylinder according to the embodiment of the present invention is temporarily fixed.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a view as viewed from B in FIG. 2;

FIG. 5 is a sectional view illustrating the mounting of the key cylinder according to the embodiment of the present invention;

FIG. 6 is an explanatory diagram showing a relationship between a fastening arm and a vertical engagement groove according to another embodiment.

FIG. 7 is an explanatory diagram showing a relationship between an engagement claw and a lateral engagement groove according to another embodiment.

FIG. 8 is a cross-sectional view for explaining mounting of a key cylinder according to another embodiment.

FIG. 9 is a front view showing a handle case and a key cylinder.

FIG. 10 is a perspective view showing a temporary fixing structure of a key cylinder according to a conventional example.

FIG. 11 is a main part front view showing a temporary fixing structure of a key cylinder according to a conventional example.

FIG. 12 is a sectional view taken along the line CC of FIG. 11;

FIG. 13 is a perspective view showing a temporary fixing structure of a key cylinder according to a conventional example.

FIG. 14 is a view as viewed in the direction D of FIG. 13;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handle case 1b Cylindrical part 2 Key cylinder 2e Tightening arm (engagement arm) 2d Engagement claw 5 Hook-shaped convex part 5a Horizontal engaging groove 6 Detent convex part 7 Rotation preventing convex part 8 Vertical engaging groove

Claims (1)

(57) [Scope of request for utility model registration] A structure for temporarily fixing a key cylinder for locking a door to a handle case for accommodating a door handle, wherein the key cylinder is fitted on the back side of the handle case so as to be rotatable in a circumferential direction. A longitudinal engagement groove that opens in the axial direction and a projection formed with a lateral engagement groove that opens in the circumferential direction are provided at the axial end of the cylindrical portion. An engagement claw that can be engaged with the lateral engagement groove from a circumferential direction, and an engagement arm that can be engaged with the vertical engagement groove after the engagement of the engagement claw. Characteristic temporary fixing structure of key cylinder.