JPH0712559Y2 - Vehicle lock cylinder lock mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a structure for mounting a lock cylinder lock on a vehicle door or the like.

(Prior Art) Conventionally, the following method has been adopted when attaching a lock cylinder lock to a vehicle door or the like. That is, the lock cylinder lock is fitted into a mounting hole formed in the vehicle body outer plate from the outside of the vehicle body outer plate, and a substantially U-shaped leaf spring is provided between the back surface of the vehicle body outer plate and the locking protrusion on the outer periphery of the lock cylinder lock. It is designed to be fixed by press-fitting a locking clip made of (for example, Japanese Utility Model Laid-Open No. 61-67369).

(Problems to be solved by the invention) However, in the above-mentioned conventional device, since the locking clip is formed by the leaf spring, the mounting portion is loosened by the vibration of the vehicle and the lock cylinder lock is rattled or disengaged. There is a possibility that it will be inconvenient. Further, if the mounting portion is loosened, the lock cylinder lock is likely to fall down, which is not preferable for theft prevention. still,
The one described in Japanese Patent Publication No. 63-8264 is known as a device for preventing the lock cylinder lock from collapsing.However, in order to implement this, a separate mounting plate member is required, so the number of mounting steps is As the number increases, so does the cost. Furthermore, when inserting the lock cylinder lock into the mounting hole,
Since a complicated operation of passing the key lever at the rear end of the lock cylinder lock through the mounting hole is required, the mounting workability is poor and there is a risk that the key lever may abut against the vehicle body outer plate and be damaged.

(Means for Solving the Problem) The present invention is intended to solve the above-mentioned problems, and as a means thereof, a locking clip is mounted with a part thereof facing inside. , A cylindrical cylinder lock housing in which a key lever connected to a lock device at its rear end is rotatably supported is arranged inside the insertion hole of the key cylinder lock formed in the outer panel of the vehicle body. When the body is fitted into the cylinder lock housing from the outside of the insertion hole, the body part of the cylinder lock outer engages with the locking clip, whereby the vehicle body outer plate and the head part of the cylinder lock outer and the A lock cylinder lock mounting structure for a vehicle, which is sandwiched between a front end surface of a cylinder lock housing and a cylinder lock inner integrally connected with the key lever in a rotational direction. , When the key cylinder lock is inserted into the cylinder lock housing, the first engaging portion that engages with the engaging protrusion provided on the cylinder lock outer and the locking clip when pushed into the cylinder lock housing. A second engaging portion that engages with the engaging protrusion and draws the key cylinder lock toward the cylinder lock housing is formed, and the key lever is rotatably attached to the cylinder lock housing. An engagement recess, which is pivotally supported by a pivotally supported joint, into which an engagement projection formed at the rear end of the cylinder lock inner engages, and the engagement recess is provided in front of the engagement recess. A guide surface that is inclined in the circumferential direction so as to guide the recess to the engaging projection is formed.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 is an exploded perspective view of a vehicle lock cylinder lock, FIG. 2 is a plan view showing a state in which the lock cylinder lock is attached to a vehicle body outer plate, and FIG. 3 shows a state in which a key cylinder lock is fitted into a cylinder lock housing. FIG. 4 is a front view showing a state in which a locking clip is attached to a cylinder lock housing, FIG. 5 is an explanatory view showing an assembling procedure of a vehicle lock cylinder lock, and FIG. It is a front view shown.

As shown in FIGS. 1 and 3, the key cylinder lock 1 is composed of an outer 2 and an inner 3, and the inner 3 can be rotated with respect to the outer 2 by inserting a key. . The outer 2 is composed of a tubular body 5 and a large-diameter head 6 formed at the front end of the body 5, and an elastic packing 7 is attached to the head 6. On the outer periphery of the body portion 5, a detent engagement protrusion 8 and a pair of retaining engagement protrusions 9, 9 are formed. The retaining engagement protrusion 9 faces forward. Sloped surface 9a
It comprises an engaging surface 9b formed perpendicularly to the body portion 5. Here, the engagement surface 9b is formed into an arc surface.
At the rear end of the inner member 3, a pair of angular engagement projections 10 and 10 are provided in the radial outward direction, and the engagement projections 10 have
A chamfered portion 10a is formed around the rear end face.

The cylinder lock housing 11 is formed in a tubular shape so that the key cylinder lock 1 can be fitted therein, and a joint 12 is rotatably supported at its rear end. The rear end of the joint 12 is provided so as to project to the outside of the housing 11, and a key lever 14 is integrally attached to the projecting portion 12a via a locking ring 13 in the rotational direction. Further, the joint 12 is formed with a pair of engagement recesses 15 and 15 on the front end surface thereof (see FIG. 4), and the engagement projections of the inner 3 are inserted into the engagement recesses 15 and 15. By engaging 10 and 10, the inner 3 and the joint 12 can be connected integrally in the rotational direction. Furthermore, joint 12 has
Guide faces 29 are formed in front of the engaging recesses 15 and 15 inclining in the circumferential direction toward the engaging recesses 15 and 15 (see FIG. 4), and the chamfered portion of the inner 3 is formed. 10a to the inclined surface 2
By engaging with 9, the joint 12 is rotated so that the engaging projections 10, 10 of the inner 3 engage with the engaging recesses 15,
It is designed to be able to be engaged within 15. The housing 11 has a pair of guide grooves 16, 16 for guiding the retaining engagement projections 9, 9 of the outer 2 above and below the inner peripheral surface thereof.
Are formed. Also, on the outer peripheral surface of the housing 11,
A pair of fitting grooves 1 that cross the guide grooves 16 and 16 above and below
7, 17 are formed, and a locking clip 21, which will be described later, is fitted into the pair of fitting grooves 17, 17. Here, the fitting groove 17 partially communicates with the guide groove 16,
The locking clip 21 and the retaining engagement projection 9 of the outer 2 can be engaged with each other via the communication portion 19. Further, the housing 11 is provided with two positioning protrusions 20a and 20b on the upper and lower surfaces thereof, and a locking clip 21 described later on the positioning protrusions 20a and 20b.
The engaging holes 24a, 24b, 24c are engaged with each other.

The locking clip 21 is composed of a pair of leg portions 22, 22 made of a metal plate material.
Is formed in a substantially U shape. On the side of the leg portions 22, 22, the arm portions 23, by bending the leg portions 22, 22 at a substantially right angle.
23 is formed, and the tips 23a, 23a of the arm portions 23, 23 are formed.
Is bent at a right angle toward the leg portions 22, 22.
Further, the arm portions 23, 23 have three engaging holes 24a, 2 for engaging with the positioning protrusions 20a, 20b provided on the housing 11.
4b and 24c are drilled. Here, the leg portion 22 is an arm portion.
The tip 23a is provided with a step behind the tip 23a, and the tip is slightly inclined forward. In addition, bosses 25, 25 are stamped and formed at the base end portions of the leg portions 22, 22. Further, the locking clip 21 is formed with a stopper piece 26 in the middle of the two leg portions 22, 22, and by pressing the stopper piece 26 against the outer periphery of the housing 11, the pushing of the locking clip 21 is regulated. It is supposed to do.

As shown in FIGS. 3 and 6, a recess 28 is formed in the vehicle body outer plate 27 so that the head portion 6 of the outer 2 is fitted therein, and the recess 28 has the body 2 of the outer 2 fitted therein. The insertion hole 28a for inserting the portion 5 and the anti-rotation engagement protrusion 8 of the outer 2
Is formed with a notch 28b that engages with each other, and notches 28c and 28d for inserting the retaining engagement projections 9 of the outer 2 therethrough.

Next, a procedure for attaching the key cylinder lock to the vehicle body outer plate will be described.

As shown in FIGS. 3 and 4, first, the locking clip 21 is pushed in from the side of the cylinder lock housing 11, and the engaging portions 24 of the locking clip 21 are provided with two engaging holes 24a at the front. 24b
2 positioning protrusions 20a, 20b on the upper and lower surfaces of the housing 11
Engage with. At this time, the legs 22 of the locking clip 21 and the tips 23a of the arms 23 are fitted into the fitting groove 17 of the housing 11.
Facing inside. Further, the tip end 23a of the arm portion 23 faces the inside of the housing 11 from the communication portion 19 between the fitting groove 17 and the guide groove 16. In this way the locking clip 21
After mounting on the housing 11, the housing 11 is inserted into the insertion hole of the vehicle body outer plate 27.
The key cylinder lock 1 is inserted from the outside of the vehicle body outer plate 27 by being arranged inside 28a. Then, the retaining engagement protrusions 9, 9 of the outer 2 are engaged with the guide grooves 16, 16 on the inner surface of the housing 11 (Fig. 1).
The inclined surface 9a formed on the retaining engagement protrusion 9
Is engaged with the tip end 23a of the arm portion 23 to push the arm portion 23 apart (arrow A, B in FIG. 5 (a)). When the key cylinder lock 1 is pushed further in, the tip 23a of the arm 23 is
It rides over the inclined surface 9a and engages with the engaging surface 9b formed on the retaining engagement projection 9 by the elasticity of the arm portion 23.
Then, the key cylinder lock 1 is in a state in which it is prevented from coming off from the housing 11 (Fig. 5 (b)). By the way, since the joint 12 is rotatably supported by the rear end of the housing 11 and is in a free state, when the key cylinder lock 1 is fitted into the housing 11 as described above, the inner 3 The engaging projections 10 and 10 at the rear end and the engaging recesses 15 and 15 (FIGS. 1 and 4) of the joint 12 do not necessarily coincide with each other in the rotation direction, but the engaging recess is provided in the joint 12. 15,15
A guide surface 16 (FIGS. 1 and 4) inclined in the circumferential direction toward the engagement recesses 15 and 15 is formed in front of the engagement recesses 15 and 15. , 10 chamfer 1
0a (FIG. 1) engages with the guide surface 16 to rotate the joint 12 (arrow C in FIG. 4), whereby the engagement projections 10 of the inner 3 engage the engagement recess 15 of the joint 12. , 15 and the inner 3 and the joint 12 are integrally connected in the rotational direction.

In the above state, the key cylinder lock 1 and the housing 11
Are engaged, the locking clip 21 is further pushed toward the housing 11 to ensure the engagement. Then, the tip 23 of the arm portion 23 of the locking clip 21.
While a disengages from the engaging surface 9b on the outer periphery of the outer 2, the leg portion 22 engages with the engaging surface 9b. Since the tip of the leg portion 22 is slightly inclined forward and the engagement surface 9b is a circular arc surface, the engagement between the leg portion 22 and the engagement surface 9b is performed smoothly. At this time, the engaging holes 24b and 24c at the two rear positions of the arm portion 23 of the locking clip 21 are positioned by the positioning engaging protrusions 2 of the housing 11.
The engaging clip 21 is in the state of being engaged with 0a, 20b, and does not easily come off from the housing 11 (Fig. 5 (c)).
By the way, since the leg portion 22 is provided with a step rearward with respect to the tip end 23a of the arm portion 23, when the leg portion 22 is engaged with the engagement surface 9b as described above, the key cylinder Lock 1
Is drawn inward of the housing 11 by the amount of the step through the retaining engagement projection 9. The tip end of the leg portion 22 and the boss 25 are engaged with the front side wall of the fitting groove 17 of the housing 11, and the tip end portion of the leg portion 22 and the retaining engagement projection 9 are the leg portion.
The elastic force of 22 causes a strong engagement. As described above, the key cylinder lock 1 is securely fixed to the vehicle body outer plate 27 by firmly holding the vehicle body outer plate 27 by the head 6 of the outer 2 and the front end surface of the housing 11. (Fig. 2).

Incidentally, the detent engagement projection 8 provided on the outer 2 of the key cylinder lock 1 is provided with a notch 28b (6th
Since the key cylinder lock 1 is engaged with the vehicle body outer plate 27, the key cylinder lock 1 is prevented from rotating. Further, since the retaining engagement protrusion 9 of the outer 2 is guided by the guide groove 16 of the housing 11, the housing 11 is also prevented from rotating with respect to the vehicle body outer plate 27.

When the mounting of the key cylinder lock 1 on the vehicle body outer plate 27 is completed as described above, the connecting rod (not shown) connected to the door lock device is connected to the key lever 14. In this way, the door lock device can be locked and unlocked by rotating the inner 3 of the key cylinder lock 1 by inserting the key and moving the connecting rod up and down via the joint 12 and the key lever 14.

(Effects of the Invention) With the present invention configured as described above, when the cylinder lock is fitted into the housing, first, the first engaging portion formed on the locking clip is attached to the cylinder lock outer. It is possible to engage the provided engagement protrusion to facilitate the attachment of the cylinder lock, and then to engage the second engagement portion to strengthen the fitting between the cylinder lock and the housing.

As a result, the locking clip can be engaged with the body of the cylinder lock only by the work of inserting the cylinder lock into the housing, and the vehicle body outer plate is firmly held by the key cylinder lock and the cylinder lock housing. The end faces of the cylinder lock and the housing are strongly pressed against the back surface of the outer plate of the vehicle body, which has an excellent effect that the supporting force against the vertical tilt of the cylinder lock can be made very strong.

Further, since the housing is made of a rigid body such as a rigid resin, it does not deform, which is advantageous in preventing theft.

Further, the cylinder lock and the key lever are separately attached from both sides of the vehicle body outer plate, and the joint connecting them is provided with an engagement recess into which an engagement protrusion formed at the rear end of the cylinder lock inner engages. Since a guide surface inclined in the circumferential direction so as to guide the engagement recess to the engagement projection is formed in front of the engagement recess, the cylinder lock inner and the joint can be easily aligned with each other. You can

This makes it easier to insert the cylinder lock into the mounting hole,
It has an excellent effect of not damaging the body plate.

[Brief description of drawings]

1 is an exploded perspective view of a vehicle lock cylinder lock, FIG. 2 is a plan view showing a state in which the lock cylinder lock is attached to a vehicle body outer plate, and FIG. 3 shows a state in which a key cylinder lock is fitted into a cylinder lock housing. FIG. 4 is a front view showing a state in which a locking clip is attached to a cylinder lock housing, FIG. 5 is an explanatory view showing an assembling procedure of a vehicle lock cylinder lock, and FIG. It is a front view shown. 1 ... Key cylinder lock, 2 ... Outer 3 ... Inner, 5 ... Body part 6 ... Head, 29 ... Guide surface 9 ... Retaining engagement projection, 10 ... Engagement projection 11 …… Housing, 12 …… Joint 14 …… Key lever, 15 …… Engagement recess 19 …… Communication part, 21 …… Locking clip 22 …… Leg part, 23a …… Tip 27 …… Body outer plate, 28a ...... Insertion hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shunsuke Shibata 3700 Wadayama Shimoda Naka, Sadowara-cho, Miyazaki-gun, Miyazaki Prefecture Honda Rock Co., Ltd. Wadayama 3700 Address Honda Lock Co., Ltd. (56) Bibliography Hei 1-142764 (JP, U) Bibliography 62-133852 (JP, U) Bibliography 59-167163 (JP, U) Bibliography 41-18397 (JP, Y2) S.K. 56-7637 (JP, Y2)

Claims (2)

[Scope of utility model registration request] 1. A cylindrical cylinder lock housing, in which a locking clip is mounted so that a part thereof faces the inside, and a key lever connected to a locking device is pivotally supported at a rear end thereof.
When the key cylinder lock is arranged inside the insertion hole of the key cylinder lock opened on the outer plate of the vehicle body and the key cylinder lock is fitted into the cylinder lock housing from the outside of the insertion hole, the body of the cylinder lock outer is locked by the lock. By engaging with the clip, the vehicle body outer plate is sandwiched between the head portion of the cylinder lock outer and the front end surface of the cylinder lock housing, and the cylinder lock inner is connected integrally with the key lever in the rotational direction. In the vehicle lock cylinder lock mounting structure, the locking clip has a first engagement that engages with an engagement protrusion provided on the cylinder lock outer when the key cylinder lock is inserted into the cylinder lock housing. Part and the locking clip engages with the engaging projection when the locking clip is pushed into the cylinder lock housing, and pulls the key cylinder lock toward the cylinder lock housing. A lock cylinder lock mounting structure for a vehicle, characterized in that two engaging portions are formed. 2. A key lever is pivotally supported by a joint rotatably supported by a cylinder lock housing, and an engaging projection formed at a rear end of the cylinder lock inner engages with the joint. 2. A fitting recess and a guide surface, which is inclined in the circumferential direction so as to guide the engagement recess to the engagement protrusion, are formed in front of the engagement recess. The mounting structure for the vehicle lock cylinder lock described.