JP2000034851A - Door lock cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door lock cylinder enabling improvement of a working efficiency of assembling. SOLUTION: A slot 25 is formed in an engaging lever 23 and the engaging lever 23 is connected rotatably to a rotor 17 through the slot. Besides, a recessed part 19 is made in the bottom of a groove 18 of the rotor 17 so that the engaging lever 23 may proceed into the recessed part 19, under its own weight, to a position where a pin 24 and the other end of the slot engage with each other at the time when the engaging lever 23 rotates upward around the pin 24. Therefore the innermost wall 18a of the groove 18 is positioned on a track of rotation of the base end part of the engaging lever 23 and the downward rotation of the engaging lever 23 under its own weight is regulated by the base end part of the engaging lever 23 being engaged with the wall of the rotor. Even if the engaging lever 23 is not supported by the hand, accordingly, it can be held at a temporarily set position and thus a working efficiency of assembling can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock cylinder for locking or unlocking a vehicle door panel.

[0002]

2. Description of the Related Art Generally, a door lock cylinder is incorporated in a door handle for a vehicle. The door lock cylinder is provided with a rotor that rotates in accordance with a key insertion operation, and an engaging member is rotatably connected to the rotor. The engagement member is connected to a lever constituting a lock mechanism in the door panel, and the rotational force of the rotor is transmitted to the lever via the engagement member, and the lock mechanism is locked or unlocked by operating the lever. State.

[0003]

However, when assembling the engaging member and the lever, if the engaging member is to be assembled at a predetermined position, the lever is interrupted, which is an obstacle. For this reason, the operator has to assemble the lever at a predetermined position with the other one hand while lifting the engagement member with one hand. Therefore, there is a problem that the work efficiency of the assembly is reduced.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a door lock cylinder capable of improving the work efficiency of assembly.

[0005]

According to a first aspect of the present invention, a rotor which rotates in a circumferential direction of a central axis in conjunction with a key insertion operation and a pin which is orthogonal to the central axis of the rotor are provided. An engagement member that is rotatably connected to the center and that is connected to a lock mechanism in the door panel, wherein the engagement member has a predetermined angle with respect to a center axis of the rotor. The gist is that a holding means for holding at the set position is provided.

According to a second aspect of the present invention, in the first aspect of the present invention, the holding means has a long hole, and the first hole allows rotation of the engaging member. An end and a second end spaced from the first end and having a proximal end of an engagement member abuttingly engaged with a portion of the rotor, wherein the pin is connected to the first end. The gist of the present invention is that it is arranged so as to be relatively movable between the first end and the second end.

According to a third aspect of the present invention, in the first aspect of the present invention, the holding means is provided with a protrusion, and the protrusion engages with a rotor positioned on its own rotation locus. The gist is that they are arranged.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the holding means attaches the engaging member in at least one of a direction perpendicular or parallel to a rotation center axis thereof. The gist is that it is an urging means for energizing. (Operation) Therefore, according to the first aspect of the present invention, the engaging member is held by the holding means at a position having a predetermined angle with respect to the center axis of the rotor.

According to a second aspect of the present invention, in the first aspect, the engaging member is rotated from the normal position where the pin is engaged with the first end of the elongated hole to the temporary placing position. Then, the pin relatively moves with respect to the elongated hole, engages with the second end of the elongated hole, and the base end of the engagement member abuts and engages a part of the rotor.

According to a third aspect of the present invention, in the first aspect of the present invention, the projection is engaged with the rotor positioned on the rotation locus. According to the fourth aspect of the present invention, in the first aspect,
In the invention described in (1), a sliding resistance in at least one of directions perpendicular or parallel to the rotation center axis of the engagement member is applied to the engagement member.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 5, a door lock cylinder 10 for a right side door panel includes a substantially cylindrical rotor case 11, and a case cover 12 is provided at one end of the rotor case 11. . The case cover 12 has a keyhole 13 into which the key K is inserted. The keyhole 13 is normally closed by a shutter 14. The shutter 14 is held at a closed position of the keyhole 13 by a shutter spring (not shown) provided in the rotor case 12.

When the key K is inserted into the keyhole 13, the shutter 14 is pressed by the tip of the key K and retreats against the elastic force of the shutter spring. And key K is keyhole 1
When the shutter 14 is removed from the shutter 3, the shutter 14 returns to the closed position of the keyhole 13 by the elastic force of the shutter spring.

On the outer peripheral surface of the rotor case 11, a mounting flange portion 15 is provided so as to project slightly inclining with respect to an axis perpendicular to the center axis of the rotor case 11, and is inserted through the mounting flange portion 15. A hole 16 is formed. The door lock cylinder 10 is fixed to a door panel (not shown) by inserting a bolt (not shown) into the insertion hole 16 and tightening the bolt.

A substantially cylindrical rotor 17 is provided inside the rotor case 11 so as to be rotatable in a circumferential direction of a center axis A thereof. One end of the rotor 17 protrudes from the rotor case 11, and the protruding portion has a groove 1.
8 are formed. In addition, a concave portion 19 is formed on the bottom surface of the groove 18.

The rotor 17 has a key insertion hole 20 through which the key K is inserted. A plurality of lock plates 21 are arranged on the upper and lower surfaces inside the key insertion hole 20 so as to face each other at equal intervals. Each lock plate 21 is constantly urged in the center axis direction of the key insertion hole 20 by the elastic force of a spring (not shown). Further, each lock plate 21 can move forward and backward in a radial direction (the vertical direction in FIG. 1) with respect to the center axis A of the rotor 17 against the elastic force of the spring.

The key K is inserted into the key insertion hole 20 through the key hole 13.
, Each lock plate 21 corresponds to the unevenness of the key K, and the rotor 17 is rotatable. When the key K is pulled out from the keyhole 13, the rotor 1
7 cannot rotate.

One end of an engagement lever 23 as an approximately L-shaped engagement member is rotatably connected to the groove 18 via a pin 24. Normally, the downward movement (rightward turning direction in FIG. 1) of the engagement lever 23 due to its own weight is restricted by the lower surface of the base end of the engagement lever 23 being locked to the bottom surface of the groove 18. 1 is held at a normal position indicated by a solid line. In the normal position, a predetermined interval is formed between the engagement lever 23 and the bottom surface of the recess 19.

The pin 24 is inserted into a long hole 25 as a holding means formed at the base end of the engagement lever 23. The long hole 25 extends from the center of rotation of the base of the engagement lever 23 to the front end. And extending parallel to the central axis B of the engagement lever 23. Normally, the pin 24 is a slot 25
At the first end (the left end in FIG. 1).
A predetermined interval is formed between the pin 24 and the second end (the right end in FIG. 1) of the elongated hole 25.

An operating lever 26 is formed on the upper part of the engaging lever 23 so as to be bent to protrude to the side, and a square engaging hole 27 is formed in the middle of the bent part Y of the engaging lever 23. Notch is formed.

When the engaging lever 23 is pulled upward (leftward in FIG. 1) via the operating lever 26, the engaging lever 23 rotates upward around the pin 24,
The base end of the engagement lever 23 is dropped into the recess 19. Then, at the temporary placement position indicated by the two-dot chain line in FIG. 1, the pin 24 engages with the second end (the right end in FIG. 1) of the elongated hole 25, and the outer periphery of the base end of the engagement lever 23 is It comes into contact with the bottom surface of the recess 19 and the innermost wall 18a of the groove 18, respectively. At this time, the innermost wall 18a is located on the rotation locus of the base end of the engagement lever 23.

That is, the rotation of the engagement lever 23 in the downward direction (right rotation direction in FIG. 5) due to its own weight is restricted by the base end of the engagement lever 23 being locked to the innermost wall 18a. Thus, the engagement lever 23 is held at the temporary placement position. When returning the engagement lever 23 to the normal position shown by the solid line in FIG.
Is pulled up so that the pin 24 and the first end (the left end in FIG. 1) of the elongated hole 25 are engaged, and the engagement between the base end of the engagement lever 23 and the innermost wall 18a is released. Rotate downward.

As shown in FIG. 6, the door lock cylinder 10 is connected to a lock lever 31 constituting a lock mechanism in a vehicle door panel. An engagement link 32 for engaging and connecting the lock lever 31 and the engagement lever 23 is connected to one end of the lock lever 31 so as to be rotatable about a pin 33. A connecting portion 34 having a substantially U-shaped cross section is provided on one side wall of the engaging link 32 so as to protrude with the opening portion facing upward.

A first restricting wall 36 and an engaging wall 37 are formed separately on one of the opposing wall surfaces of the connecting portion 34 through a notch 35. Is formed with an engagement projection 38 converging upward.
The other wall surface has a portion opposing the notch 35 and the engagement wall 37 removed, so that the second restriction wall 39 is formed.
Are formed.

The width of the first regulating wall 36 and the second regulating wall 39 is substantially the same as or slightly larger than the length from the tip of the engaging lever 23 to the engaging hole 27. The width of the engagement wall 37 is substantially the same as or slightly smaller than the width of the engagement hole 27.

Now, as shown in FIG.
Is inserted between the first regulating wall 36 and the second regulating wall 39 of the engaging portion 34 in a state in which the engaging lever 34 is held at the temporary placing position, the lower surface of the engaging lever 23 contacts the sliding surface 38 a of the engaging projection 38. At the same time, it is guided by the sliding surface 38a and slides downward on the sliding surface 38a. Along with this, the engaging wall 37 bends outwardly as shown by the two-dot chain line in FIG. 7, and the engaging lever 23 can enter between the first regulating wall 36 and the second regulating wall 39.

When the engagement lever 23 is further inserted, the engagement protrusion 38 enters the engagement hole 27 and the engagement wall 3
7 returns elastically to the normal position shown by the solid line in FIG. 7 (connected state). At this time, the engagement surface 38b of the engagement protrusion 38 and the engaged surface 27a of the engagement hole 27 are engaged, thereby restricting the upward movement of the engagement lever 23.

Since the tip of the engaging lever 23 is located between the first regulating wall 36 and the second regulating wall 39, the engaging lever 23 extends in a direction perpendicular to the regulating walls 36 and 39. Movement is regulated. Therefore, the engagement lever 2
3 does not fall off the connecting portion 34.

After the connection between the engagement lever 23 and the engagement link 32 is completed, the engagement lever 23 is returned to the normal position shown by the solid line in FIG. 1 to assemble the door lock cylinder 10 and the lock mechanism. Completed.

When the door lock cylinder 10 is inserted by the key K in the connection state of the engagement lever 23 and the connection portion 34, the rotational force of the rotor 17 is increased.
And transmitted to the lock lever 31 via the engagement link 32. When the lock lever 31 operates, the lock mechanism is switched to a locked or unlocked state.

Next, a door lock cylinder 40 for the left door panel is shown in FIG. The door lock cylinder 40 for the left door panel differs from the door lock cylinder 10 for the right door panel only in that the mounting flange 41 and the engagement lever 42 are symmetrical. Therefore,
The same components as those of the door lock cylinder 10 for the right side door panel are denoted by the same reference numerals, and the description thereof will not be repeated.

Therefore, according to the present embodiment, the following effects can be obtained. An elongated hole 25 is formed in the engaging lever 23 so as to extend from the rotation center of the proximal end of the engaging lever 23 toward the distal end and parallel to the central axis B of the engaging lever 23. It was rotatably connected to the rotor 17 via a pin 24 inserted through the long hole 25. Also, a concave portion 1 is formed at the bottom of the groove 18 of the rotor 17.
9, when the engagement lever 23 rotates upward about the pin 24, the engagement lever 23 engages the pin 24 and the second end (the right end in FIG. 1) of the elongated hole 25 by its own weight. The recess 19 enters the recess 19 up to the position where it fits. For this reason,
The innermost wall 18a of the groove 18 is located on the rotation locus of the base end of the engagement lever 23. When the engagement lever 23 is turned downward by its own weight, the base end of the engagement lever 23 is positioned at the innermost wall. It is regulated by being locked to 18a. Therefore, it is possible to hold the engagement lever 23 at the temporary placement position without manually supporting the engagement lever 23,
The work efficiency of assembly can be improved. In addition, since another mechanical mechanism or the like for holding the engagement lever 23 at the temporary temporary upper position is unnecessary, the door lock cylinder 10
Can be simplified. (Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG.

The second embodiment is mainly different from the first embodiment in that a projection is provided on the side surface of the engagement lever 10. Therefore, the same components as those of the first embodiment are denoted by the same reference numerals, and the description thereof will not be repeated.

An insertion hole 52 is formed at the base end of the engagement lever 51. The pin 24 is inserted through the insertion hole 52,
The engagement lever 51 is rotatable about the pin 24. On the side surface of the engagement lever 51, a projection 53 as a holding means is formed at a predetermined distance from the pin 24 so that the upper surface of the rotor 17 is positioned on its own rotation locus. Further, the pin 24 is perpendicular to the side surface of the engagement lever 51, and
Is formed so as to slightly protrude from a gap between the inner wall and the inner wall.

Then, when the engagement lever 51 is pulled upward (to the left in FIG. 9) via the operation lever 26,
The engagement lever 51 pivots upward about the pin 24, and the projection 53 abuts on the upper end surface of the rotor 17 located on the rotation trajectory. When the engagement lever 51 is further pulled upward, the projection 53 enters the groove 18 and
It slides on the inner wall of the groove 18 and passes above the rotor 17.

The downward rotation of the engagement lever 51 due to its own weight is restricted by the projection 53 being locked on the upper surface of the rotor 17 (upper side surfaces of the groove 18). It is a temporary placement position. Engagement lever 51
To return to the normal position, the engagement lever 51
, A load is applied downward (to the right in FIG. 9). Then, the projection 53 enters the groove 18 again, slides down the inner wall of the groove 18, and the engagement lever 51 returns to the normal position.

Therefore, according to the present embodiment, the following effects can be obtained. The engagement lever 23 can be reliably held at the temporary placement position by the projection 53 being locked to the upper surface of the rotor 17.

Since the projection 53 is provided only on the side surface of the engagement lever 51, no special mechanism is required, and the configuration of the door lock cylinder 50 can be further simplified. Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIG.
It will be described based on.

The third embodiment is mainly different from the second embodiment in that a moderation ball is disposed inside the groove 18. Therefore, the same components as those of the second embodiment are denoted by the same reference numerals, and the description thereof will not be repeated.

A hole 61 is formed in the innermost wall 18a of the groove 18 of the rotor 17, and a spring 62 is provided in the hole 61. A moderation ball 63 as a holding means is attached to the tip of the spring 62, and the moderation ball 63 can advance and retreat along the inner peripheral wall of the hole 61.

A plurality of V-shaped notches 65a and 65b are formed on the outer periphery of the base end of the engagement lever 64.
The moderation ball 63 is engageable with each of the cut recesses 65a and 65b. The engagement lever 6 indicated by a solid line in FIG.
In the normal position of No. 4, the moderation ball 63 is engaged with one cut recess 65a.

The detent ball 63 always urges the engagement lever 64 in a direction perpendicular to the axis of the pin 24 by the elastic force of the spring 62. That is, the insertion hole 5 of the engagement lever 64
Sliding resistance is always applied between the pin 2 and the pin 24. The spring 62 has a sufficient elastic force to prevent the engagement lever 64 from operating due to its own weight.

Then, the operation of the spring 6
When the engaging lever 23 is pulled upward against the elastic force of 2, the engaging lever 23 rotates upward about the pin 24. Along with this, the moderation ball 63 slides on the outer peripheral surface of the engagement lever 64 over the cut recess 65a,
Retreats into the hole 61.

Then, when the engagement lever 64 is further rotated and the next cut recess 65b faces the moderating ball 63, the moderating ball 63 enters the next cut recess 65b by the elastic force of the spring 62. Engage. Even in this case,
Sliding resistance is applied between the insertion hole 52 of the engagement lever 64 and the pin 24, whereby the downward rotation of the engagement lever 64 due to its own weight is restricted, and the engagement lever 64 is held at the temporary placement position. .

Therefore, according to the present embodiment, the following effects can be obtained. A plurality of cutout recesses 65 are formed on the outer periphery of the base end of the engagement lever 64, and a hole 61 is formed in the innermost wall 18 a of the groove 18 of the rotor 17. A spring 62 is disposed in the hole 61, and a moderation ball 63 is provided at the tip of the spring 62.
Is attached, and can be engaged with the notch recess 65. For this reason,
Sliding resistance is applied between the insertion hole 52 of the engagement lever 64 and the pin 24 via the moderation ball 63, and the moderation ball 63 corresponds to the moderation ball 63 and each of the cutout recesses 65a, 65b. At a plurality of positions, it can be temporarily placed at an arbitrary position.

The above embodiments may be modified and implemented as follows. -As shown in FIG. 14, the long hole 25 in the first embodiment may be changed to an inverted L-shaped long hole 74. The long hole 74 extends from the rotation center of the base of the engagement lever 23 at a predetermined distance in parallel with the center axis B of the engagement lever 23, and extends from the end of the long hole to the engagement lever 23. An elongated hole extending a predetermined distance in parallel with an axis perpendicular to the central axis B is formed so as to communicate therewith. In the normal position of the engagement lever 23 shown by a solid line in FIG.
Engages with the first end (the left end in FIG. 14) of the elongated hole 74, and the rotation of the engagement lever 23 is allowed. In addition, at the temporary placement position of the engagement lever 23 shown by the two-dot chain line in FIG. 14, the pin 24 is connected to the second end of the long hole 74 (FIG.
And the base end of the engagement lever 23 is part of the rotor 17 (the innermost portion 18 of the groove 18).
a) and the recess 19). Even in this case, when the engagement lever 23 is temporarily placed,
The innermost wall 18a of the groove 18 is located on the rotation locus of the base end portion, and the same effect as in the first embodiment can be obtained.

The projections 53 in the second embodiment may be provided on both side surfaces of the engagement lever 51. Even in this case, the same effects as in the second embodiment can be obtained by locking the respective projections on the upper surface of the rotor 17 at the temporary placement position of the engagement lever 51. In addition, the first
Like the embodiment, a long hole may be formed in the engagement lever 51, and a concave portion 19 may be formed in the groove 18 of the rotor 18.

As shown in FIG. 15, in the second embodiment, a projection 75 having a slope 75a converging on the bottom surface of the groove 18 may be provided. In this case, the base end of the engagement lever 23 is formed so as to be parallel to a plane perpendicular to the central axis B of the engagement lever 23. Even in this case, the base end of the engagement lever 23 is locked to the inclined surface 75a of the projection 75, so that the engagement lever 23 can be held at the temporary placement position shown by the two-dot chain line in FIG. it can.

As shown in FIG. 11, the spring 62 and the moderation ball 63 in the third embodiment may be replaced with a rubber cushion 70. Even in such a case, the rubber cushion 70 is provided with the notch recesses 65a, 65b of the engagement lever 64.
, And a sliding resistance in the vertical direction with respect to the rotation center axis of the engagement lever 64 can be applied, and the same effect as in the third embodiment can be obtained.

The spring 62 and the moderation ball 63 in the third embodiment may be replaced by a leaf spring. Even in this case, the leaf springs are notched recesses 65a of the engagement lever 64,
In addition to the engagement with the engagement lever 65b, a sliding resistance in the vertical direction with respect to the rotation center axis of the engagement lever 64 can be applied, and the same effect as in the third embodiment can be obtained. Also,
As shown in FIG. 12, the plate spring 71 may be provided at the bottom of the groove 18, and the engaging lever 64 may be formed with cutout recesses 72 a and 72 b corresponding to the plate spring 71.

As shown in FIG. 13, the hole 61, the spring 62, and the moderation ball 63 in the third embodiment may be omitted, and the wave washer 73 may be inserted into the pin 24 together with the engagement lever 64. With this configuration, the engagement lever 64 is constantly urged in a direction parallel to the rotation center axis by the elastic force of the wave washer, and is pressed against one inner side wall of the groove 18. That is, a sliding resistance is always applied to the engagement lever 64, and the engagement link 23 can be held in a temporary position at an arbitrary position.

In this specification, the engagement lever 2
The central axis B of 3, 51, 64 refers to the longitudinal axis of the engaging levers 23, 51, 64 passing through the center of the pin 24. Next, technical ideas other than the claims that can be grasped from the embodiments will be described below together with their effects.

The door lock cylinder according to claim 4, wherein the urging means is any one of a moderation ball, a rubber cushion, a leaf spring, and a wave washer. Even in this case, the same effect as the effect of the invention described in claim 5 can be obtained.

[0054]

As described in detail above, according to the first aspect of the present invention, the engaging member can be held at the angle of assembly with the lock mechanism, so that the engaging member can be supported by hand. There is no need to perform work, and the work efficiency of assembly can be improved.

According to the second or third aspect of the present invention, in addition to the effect of the first aspect of the present invention, another mechanism for holding the engaging member at an assembly angle with the lock mechanism. Need not be provided, and the configuration of the door lock cylinder can be simplified.

According to the fourth aspect of the present invention, the first aspect is provided.
In addition to the effects of the invention described in (1), by restricting the operation of the engagement member by its own weight by adding sliding resistance, the engagement member can be held at an arbitrary position.

[Brief description of the drawings]

FIG. 1 is a sectional view of a right door lock cylinder according to a first embodiment.

FIG. 2 is a side view of the right door lock cylinder according to the first embodiment.

FIG. 3 is a front view of a right door lock cylinder according to the first embodiment.

FIG. 4 is a rear view of the right door lock cylinder in the first embodiment.

FIG. 5 is a bottom view of the right door lock cylinder according to the first embodiment.

FIG. 6 is a perspective view showing an assembly of an engagement lever and an engagement link.

FIG. 7A is an essential part cross-sectional view showing assembling of an engagement lever and a connecting portion. (B) is a principal part sectional view showing the state after the engagement lever and the connecting part are assembled.

FIG. 8 is a front view of the left door lock cylinder.

FIG. 9A is a sectional view of a main part of a door lock cylinder according to a second embodiment. (B) is a top view of a main part of the door lock cylinder of the second embodiment.

FIG. 10 is a sectional view of a main part of a door lock cylinder according to a third embodiment.

FIG. 11 is a sectional view of a main part of a door lock cylinder according to another embodiment.

FIG. 12 is a sectional view of a main part of a door lock cylinder according to another embodiment.

FIG. 13A is a sectional view of a main part of a door lock cylinder according to another embodiment. (B) is a principal part top view of the door lock cylinder of another embodiment.

FIG. 14 is a sectional view of a main part of a door lock cylinder according to another embodiment.

FIG. 15 is a sectional view of a main part of a door lock cylinder according to another embodiment.

[Explanation of symbols]

10, 40, 50: door lock cylinder, 17: rotor, 19: recess (holding means), 23: engaging lever (engaging member), 25: elongated hole (holding means), 53: projection (holding means), 63: Moderation ball (holding means).

Claims (4)

[Claims] 1. A rotor which rotates in a circumferential direction of a central axis in conjunction with an insertion operation of a key, and is rotatably connected around a pin orthogonal to a central axis of the rotor, and is provided inside a door panel. A door provided with a holding means for holding the engaging member at a position having a predetermined angle with respect to the center axis of the rotor. Lock cylinder. 2. The holding means forms a long hole, and a first end portion in which the rotation of the engaging member is allowed is formed in the long hole; A second end having a proximal end of the member abuttingly engaged with a part of the rotor, wherein the pin is relatively movable between the first end and the second end. The door lock cylinder according to claim 1, wherein the door lock cylinder is disposed in the door lock cylinder. 3. The door lock cylinder according to claim 1, wherein the holding means is provided with a projection, and the projection is arranged so as to be engaged with a rotor located on its own rotation locus. 4. The door lock cylinder according to claim 1, wherein the holding unit is a biasing unit that biases the engaging member in at least one direction perpendicular or parallel to a rotation center axis thereof. .