Door locking device

Abstract

The configuration of a door locking device equipped with a locking mechanism and a child locking mechanism is simplified. [Solution] The door lock device 1 includes a lock mechanism 12 that enables or disables switching the latch mechanism 11 from a locked state to an unlocked state, a child lock mechanism 13 that switches between a non-CHL state that allows switching to an unlocked state by operating the inner handle 7 inside the vehicle and a CHL state in which such switching is disabled, a motor 15 that drives the lock mechanism 12 and the child lock mechanism 13, and a switching mechanism 16 that includes a rotating body 61 that is rotationally driven by the driving force of the motor 15. The rotating body 61 is provided with a lock operation unit 64 that operates the lock mechanism 12 in accordance with the rotational displacement from the neutral position to the locked position or the unlocked position, and a CHL operation unit 65 that operates the child lock mechanism 13 in order to switch the child lock mechanism 13 from the non-CHL state to the CHL state in accordance with the rotational displacement from the locked position to the CHL position.

Description

Technical Field

[0001] The present invention relates to a door lock device.

Background Art

[0002] Patent Document 1 discloses a door lock device including a lock mechanism that switches a latch state of a latch mechanism between a non-releasable locked state and a releasable unlocked state, and a child lock mechanism that switches an operation state of an inside door handle between a transmission state in which the operation is transmitted to the latch mechanism and a non-transmission state in which the operation is not transmitted.

[0003] In this technical field, the non-transmission state is also referred to as the child lock state, and the transmission state is also referred to as the child unlock state or the non-child lock state. In this document, the term "CHL" is used as an abbreviation for "child lock".

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the above device, since the lock mechanism and the child lock mechanism are driven by separate actuators, the configuration of the device is complicated.

[0006] An object of the present invention is to simplify the configuration of a door lock device including a lock mechanism and a child lock mechanism.

Means for Solving the Problems

[0007] One aspect of the present invention includes a latch mechanism for switching between a locked state in which the door is locked to the vehicle body and an unlocked state in which the door is released from the vehicle body; a lock mechanism for switching between an unlocked state in which switching from the locked state to the unlocked state is permitted and a locked state in which such switching is not permitted; a child lock mechanism for switching between a non-CHL state in which switching from the locked state to the unlocked state is permitted by operating an inner handle inside the vehicle and a CHL state in which such switching by operating an inner handle is not permitted; a motor for generating a driving force to drive the lock mechanism and the child lock mechanism; and a switching mechanism for switching the state of the lock mechanism and the child lock mechanism based on the driving force, wherein the switching mechanism is rotationally driven by the driving force. A door lock device is provided, which includes a rotating body, the rotating body being rotatably displaceable between a neutral position, a locked position located to a first side of the neutral position in the direction of rotation, a CHL position located further to the first side of the locked position, and an unlocked position located to a second side of the neutral position opposite to the first side in the direction of rotation, the device having a lock operation unit that operates the lock mechanism to switch the state of the lock mechanism in accordance with the rotational displacement of the rotating body from the neutral position to the locked position or the unlocked position, and a CHL operation unit that operates the child lock mechanism to switch the state of the child lock mechanism from the non-CHL state to the CHL state in accordance with the rotational displacement of the rotating body from the locked position to the CHL position.

[0008] According to the above configuration, the door lock device includes a switching mechanism that includes a rotating body driven by the driving force of a motor. The rotating body is provided with a lock operation unit and a CHL operation unit. The drive source for the lock mechanism and the drive source for the child lock mechanism are shared by a motor, and the lock mechanism and the child lock mechanism are operated by the lock operation unit and the CHL operation unit in accordance with the rotational displacement of the rotating body. Therefore, the configuration of the door lock device can be simplified compared to the case where the two mechanisms are driven by separate motors. [Effects of the Invention]

[0009] According to the present invention, the configuration of a door lock device equipped with a locking mechanism and a child locking mechanism can be simplified. [Brief explanation of the drawing]

[0010] [Figure 1] A block diagram conceptually showing the configuration of a door lock device according to this embodiment. [Figure 2] A block diagram conceptually showing part of the configuration of the door lock device shown in Figure 1. [Figure 3] Figure 2 shows the door locking device viewed in the axial direction of the rotating body. [Figure 4] Figure 2 shows the state transitions of the door lock device. [Figure 5] Figure 3 shows a solid of revolution. [Figure 6] Figure 3 shows the lock plate and the first blocker. [Figure 7] Figure 3 shows the lock plate and the first blocker. [Figure 8] Figure 3 shows the CHL joint and the second blocker. [Figure 9] Figure 3 shows the CHL joint and the second blocker. [Figure 10] Figure 3 shows the child lock mechanism. [Modes for carrying out the invention]

[0011] Embodiments will be described below with reference to the drawings. The same or corresponding elements are denoted by the same reference numerals throughout the drawings, and redundant detailed descriptions will be omitted.

[0012] Referring to Figure 1, the door lock device 1 according to this embodiment is applied to a vehicle and is installed on a door 5 that opens and closes an opening (not shown) in the vehicle body 2. A lock knob 6 and an inner handle 7 are provided on the interior side of the door 5. An outer handle 8 is provided on the exterior side of the door 5.

[0013] The door lock device 1 includes a latch mechanism 11, a lock mechanism 12, a child lock mechanism 13, a latch motor 14, a motor 15, and a switching mechanism 16.

[0014] The latch mechanism 11 switches between a locked state in which the door 5 is locked to the vehicle body 2 and an unlocked state in which the locking of the door 5 to the vehicle body 2 is released. Although detailed illustration is omitted, the latch mechanism 11 has a fork that holds the striker 3 of the vehicle body 2 and a claw that detachably engages with the fork. When the claw engages with the fork holding the striker 3, the latch mechanism 11 is in the locked state. When the claw disengages from the fork and the engagement between the claw and the fork is released, the latch mechanism 11 is in the unlocked state.

[0015] The lock mechanism 12 switches between an unlocked state that allows the switching of the latch mechanism 11 from the locked state to the unlocked state and a locked state that makes it impossible to switch the latch mechanism 11 from the locked state to the unlocked state.

[0016] The vehicle user can switch the lock mechanism 12 from the unlocked state to the locked state or vice versa, for example, by operating the lock knob 6. In the unlocked state, the user can switch the latch mechanism 11 from the locked state to the unlocked state and open the door 5, for example, by operating the inner handle 7 or the outer handle 8. In the locked state, even if the same operation is performed, the latch mechanism 11 does not switch to the unlocked state and the door 5 cannot be opened.

[0017] The child lock mechanism 13 is interposed between the inner handle 7 and the latch mechanism 11. The child lock mechanism 13 switches between an anti-child lock state (non-CHL state) that allows the switching of the latch mechanism 11 to the unlocked state by operating the inner handle 7 and a child lock state (CHL state) that makes it impossible to switch the latch mechanism 11 by operating the inner handle 7. In the CHL state, even if the inner handle 7 is unexpectedly operated in the unlocked state, the locked state can be maintained. Therefore, the safety of the vehicle is improved.

[0018] The latch motor 14 drives the latch mechanism 11 (particularly the close). The motor 15 is a driving source of the lock mechanism 12 and also a driving source of the child lock mechanism 13. The motor 15 generates a driving force for driving the lock mechanism 12 and the child lock mechanism 13. The switching mechanism 16 switches the states of the lock mechanism 12 and the child lock mechanism 13 based on the driving force generated by the motor 15.

[0019] The latch motor 14 and the motor 15 are controlled by the control unit 17. The control unit 17 may be an ECU (Electrical Control Unit) provided on the vehicle body 2 as shown in the figure. The control unit 17 may be composed of a plurality of controllers distributed and arranged on the vehicle body 2 and the door 5.

[0020] The control unit 17 is connected to switches. The switches include, for example, an unlatch switch 18a, a lock switching switch 18b, and a CHL switching switch 18c. The control unit 17 drives the latch motor 14 and the motor 15 according to signals output from the switches, and controls the latch mechanism 11, the lock mechanism 12, and the child lock mechanism 13.

[0021] When the unlatch switch 18a detects a user's operation for switching the latch mechanism 11 from the engaged state to the non-engaged state, it outputs an unlatch signal to the control unit 17. The control unit 17 drives the latch motor 14 to switch the latch mechanism 11 from the engaged state to the non-engaged state in response to the reception of the unlatch signal.

[0022] When the lock selector switch 18b detects a user operation to switch from the unlocked state to the locked state, it outputs a lock signal to the control unit 17. In response to receiving the lock signal, the control unit 17 drives the motor 15 to switch from the unlocked state to the locked state. When the lock selector switch 18b detects a user operation to switch from the locked state to the unlocked state, it outputs an unlock signal to the control unit 17. In response to receiving the unlock signal, the control unit 17 drives the motor 15 to switch from the locked state to the unlocked state. The switching mechanism 16 operates the lock mechanism 12 with the driving force input from the motor 15.

[0023] When the CHL changeover switch 18c detects a user operation to switch from the non-CHL state to the CHL state, it outputs a CHL signal to the control unit 17. In response to the reception of the CHL signal, the control unit 17 drives the motor 15 to switch from the non-CHL state to the CHL state. When the CHL changeover switch 18c detects a user operation to switch from the CHL state to the non-CHL state, it outputs a non-CHL signal to the control unit 17. In response to the reception of the non-CHL signal, the control unit 17 drives the motor 15 to switch from the CHL state to the non-CHL state. The switching mechanism 16 operates the child lock mechanism 13 with the driving force input from the motor 15.

[0024] For the sake of illustration simplification, the switches are shown outside the frame of the vehicle body 2 and door 5. Depending on the arrangement of the components operated by the user, the switches may be located on the door 5, on the vehicle body 2, or on an item that the user can carry (e.g., an electronic key). Furthermore, the latch mechanism 11 may be operated by multiple operating components located in different places, in which case multiple unlatching switches 18a may be provided for each operating component. The same applies to the lock switching switch 18b and the CHL switching switch 18c.

[0025] Referring to Figures 2 and 3, the door lock device 1 includes a housing 10 that is fixed to the door 5 (see Figure 1).

[0026] The housing 10 supports the lock plate 21 and the lock holding portion 22 of the lock mechanism 12. The inner handle 7 and outer handle 8 (see Figure 1) are connected to the latch mechanism 11 via a lock switching mechanism (not shown) of the lock mechanism 12, which is operated by the displacement of the lock plate 21.

[0027] The housing 10 supports the CHL joint 31, CHL holding part 32, first inner lever 33, second inner lever 34, child lever 35, and lever biasing member 36 of the child lock mechanism 13. The first inner lever 33 and the second inner lever 34 may be considered as components of a mechanism that connects the inner handle 7 to the latch mechanism 11. The inner handle 7 is connected to the latch mechanism 11 from the lock switching mechanism via the child lock mechanism 13.

[0028] The lock switching mechanism includes, for example, a link (not shown) that operates in conjunction with the first inner lever 33 and moves between an unlocked state in which it can engage with an open lever (not shown) that is linked to the claw, and a locked state in which it cannot engage, depending on the displacement of the lock plate 21. In the unlocked state, when the link moves in conjunction with the rotation of the first inner lever 33, it engages with the open lever, moving the open lever and the claw to the disengaged side. On the other hand, in the locked state, even if the link moves in conjunction with the rotation of the first inner lever 33, it does not engage with the open lever and cannot move the claw to the disengaged side.

[0029] The housing 10 supports the rotating body 61, reduction gear 62, rotating body biasing member 63, lock operation unit 64, CHL operation unit 65, first blocker 66, first blocker biasing member 67, first blocker holding unit 68, second blocker 76, second blocker biasing member 77, and second blocker holding unit 78 of the switching mechanism 16. The first blocker 66 and the first blocker biasing member 67 may be considered as components of the lock mechanism 12. The second blocker 76 and the second blocker biasing member 77 may be considered as components of the child lock mechanism 13.

[0030] The rotating body 61 is supported in the housing 10 so as to be rotatable about its central axis A61. The rotating body 61 is supported in the housing 10 so as not to be able to translate in a direction perpendicular to its axis. The components within the housing 10 described above can be stacked along the axial direction of the rotating body 61. The arrangement in the stacking direction can be changed as appropriate. Furthermore, by appropriately changing the shape of the components, it is possible to arrange two or more components at the same height. Also, a single component can have two or more parts at different heights separated by a portion bent in the stacking direction.

[0031] Of the components within the housing 10 described above, the rotatable ones (for example, the first inner lever 33 and the second inner lever 34) rotate around an axis parallel to the rotating body 61. The locking operation part 64 and the CHL operation part 65 are provided on the rotating body 61 and perform circular motion together with the rotating body 61. The first blocker holding part 68 and the second blocker holding part 78 are similar.

[0032] Of the components within the housing 10 described above, those that are capable of translation (for example, the lock plate 21, CHL joint 31, first blocker 66, and second blocker 76) are translated within the plane perpendicular to the axis of the rotating body 61 (within the plane of Figure 3). The operation of the child lever 35 is a combination of rotational and translational motion. In this embodiment, in which the rotating body 61 is not capable of translation with respect to the housing 10, "translation with respect to the rotating body" and "translation with respect to the housing" in the following description are substantially synonymous.

[0033] Referring to Figure 5, the reduction gear 62 reduces the rotation of the motor 15 and transmits it to the rotating body 61. For example, the reduction gear 62 is a worm gear pair consisting of a worm 62a attached to the output shaft of the motor 15 and a worm wheel meshed with the worm 62a. In this embodiment, the rotating body 61 is this worm wheel and is rotationally driven by the driving force of the motor 15.

[0034] The rotating body 61 is rotatably displaceable to a neutral position, a locked position located first to the neutral position in the direction of rotation (clockwise on the paper in Figure 5), a CHL position located further first to the locked position, a non-CHL position located second to the neutral position in the direction of rotation (counterclockwise on the paper in Figure 5), and an unlock position located further second to the non-CHL position.

[0035] The rotating body biasing member 63 is, for example, a spring that is locked to the housing 10 and the rotating body 61, and biases the rotating body 61 to the neutral position. After the rotating body 61 is rotated away from the neutral position by the driving force of the motor 15 and the motor 15 stops, the rotating body 61 returns to the neutral position due to the biasing force.

[0036] The lock operation unit 64 and the CHL operation unit 65 are provided on the rotating body 61. The lock operation unit 64 operates the lock mechanism 12 to switch the state of the lock mechanism 12 (see Figure 6). The CHL operation unit 65 operates the child lock mechanism 13 to switch the state of the child lock mechanism 13 (see Figures 8 and 10).

[0037] Figure 4 is a state transition diagram of the door lock device 1. The door lock device 1 can take on the following seven states N1 to N3, A to D. The functions of the first blocker 66 and the second blocker 76 will be described later. <State N1> The rotating body 61 is in the neutral position, the locking mechanism 12 is in the unlocked state, and the child locking mechanism 13 is in the non-CHL state. The first blocker 66 is in the first initial position and the first blocking position. The second blocker 76 is in the second initial position and the second retracted position. <State A> The rotating body 61 is in the locked position, the locking mechanism 12 is in the locked state, and the child locking mechanism 13 is in the non-CHL state. The first blocker 66 is in the first extended position and the first blocking position. The second blocker 76 is in the second initial position and the second retracted position. <State N2> The rotating body 61 is in the neutral position, the locking mechanism 12 is in the locked state, and the child locking mechanism 13 is in the non-CHL state. The first blocker 66 is in the first initial position and the first retracted position. The second blocker 76 is in the second initial position and the second retracted position. <State B> The rotating body 61 is in the CHL position, the locking mechanism 12 is in the locked state, and the child locking mechanism 13 is in the CHL state. The first blocker 66 is in the first initial position and the first retracted position. The second blocker 76 is in the second initial position and the second blocking position. <State N3> The rotating body 61 is in the neutral position, the locking mechanism 12 is in the locked state, and the child locking mechanism 13 is in the CHL state. The first blocker 66 is in the first initial position and the first retracted position. The second blocker 76 is in the second initial position and the second blocking position. <State C> The rotating body 61 is in the non-CHL position, the locking mechanism 12 is in the locked state, and the child locking mechanism 13 is in the non-CHL state. The first blocker 66 is in the first initial position and the first retracted position. The second blocker 76 is in the second extended position and the second blocking position. <State D> The rotating body 61 is in the unlocked position, the locking mechanism 12 is in the unlocked state, and the child locking mechanism 13 is in the non-CHL state. The first blocker 66 is in the first initial position and the first blocking position. The second blocker 76 is in the second initial position and the second retracted position.

[0038] In states N1, N2, and N3, the rotating body 61 is in the neutral position, while in states A, B, C, and D, the rotating body 61 is located in a position other than the neutral position. Figure 3 shows the door lock device 1 in state N3, and Figure 5 shows the neutral position of the rotating body 61 (states N1, N2, or N3).

[0039] The transition from state N1, N2, or N3 to state A, B, C, or D is performed by the driving force of the motor 15. During this transition, the lock operation unit 64 or the CHL operation unit 65 is activated. When the transition to state A, B, C, or D is complete, the motor 15 stops. The transition from state A, B, C, or D to state N1, N2, or N3 is performed by the biasing force of the rotating body biasing member 63. During this transition, the lock operation unit 64 and the CHL operation unit 65 are not activated.

[0040] As shown in Figure 6, the locking operation unit 64 switches the locking mechanism 12 from the unlocked state to the locked state (state N1 → A) in response to the rotational displacement of the rotating body 61 from the neutral position to the locked position. The locking operation unit 64 also switches the locking mechanism 12 from the locked state to the unlocked state (state N2 → D) in response to the rotational displacement of the rotating body 61 from the neutral position to the unlocked position.

[0041] As shown in Figure 8, the CHL operation unit 65 switches the child lock mechanism 13 from a non-CHL state to a CHL state in response to the rotational displacement of the rotating body 61 from the neutral position to the CHL position (state N2 → B). The CHL operation unit 65 switches the child lock mechanism 13 from a CHL state to a non-CHL state in response to the rotational displacement of the rotating body 61 from the neutral position to the non-CHL position (state N3 → C).

[0042] As described above, the door lock device 1 according to this embodiment includes a switching mechanism 16 that includes a rotating body 61 which is rotationally driven by the driving force of a motor 15. The rotating body 61 is provided with a lock operation unit 64 and a CHL operation unit 65. The drive source for the lock mechanism 12 and the drive source for the child lock mechanism 13 are shared by the motor 15, and the lock mechanism 12 and the child lock mechanism 13 are operated by the lock operation unit 64 and the CHL operation unit 65 in accordance with the rotational displacement of the rotating body 61. Therefore, the configuration of the door lock device 1 can be simplified compared to the case in which the two mechanisms are driven by separate motors.

[0043] Next, referring to Figure 6, the state transitions of the locking mechanism 12 by the locking operation unit 64 and the locking holding unit 22 will be explained.

[0044] The lock plate 21 is operated by the locking operation unit 64 and is displaced relative to the rotating body 61 between an ON position corresponding to the locked state and an OFF position corresponding to the unlocked state. The lock plate 21 is supported so as to be translationally movable relative to the housing 10. The lock plate 21 is a long plate and is translationally movable along its direction of extension.

[0045] The lock plate 21 has a lock-operated portion 21a that is pressed by the lock operating portion 64. The lock-operated portion 21a is a projection that protrudes from the end face of the lock plate 21 toward the rotating body 61, and is, for example, cylindrical in shape.

[0046] On the other hand, the locking operation part 64 includes a first locking operation part 64a located on the second side relative to the locked operation part 21a in the rotational direction, and a second locking operation part 64b located on the first side relative to the locked operation part 21a in the rotational direction. The first locking operation part 64a and the second locking operation part 64b protrude radially outward from the outer peripheral edge of the rotating body 61. The second locking operation part 64b protrudes more than the first locking operation part 64a.

[0047] Regarding the transition from state N1 to A, when the lock plate 21 is in the off position (the lock mechanism 12 is in the unlocked state), as the rotating body 61 rotates from the neutral position toward the first position toward the locked position, the first lock operation part 64a comes into contact with the locked operating part 21a at the lock operation start position between the neutral position and the locked position. As the rotating body 61 rotates toward the first position from the lock operation start position, the locked operating part 21a is pushed by the first lock operation part 64a, and the lock plate 21 is displaced relative to the rotating body 61. When the rotating body 61 reaches the locked position, the lock plate 21 reaches the on position, and the lock mechanism 12 enters the locked state.

[0048] When the rotating body 61 reaches the locked position, the locked operating portion 21a is positioned on the outer circumference relative to the tip of the first lock operating portion 64a. The first lock operating portion 64a can operate the lock plate 21 when moving from the lock operation start position to the locked position. If the rotating body 61 moves further towards the first position from the locked position, the lock plate 21 is not operated by the lock operating portion 64.

[0049] Regarding the transition from state N2 to D, when the lock plate 21 is in the ON position (the lock mechanism 12 is in the locked state), as the rotating body 61 rotates from the neutral position towards the unlocked position, the second lock operating part 64b can come into contact with the locked operating part 21a due to its large protrusion. The locked operating part 21a is pushed by the second lock operating part 64b, and the lock plate 21 is displaced relative to the rotating body 61. When the rotating body 61 reaches the unlocked position, the lock plate 21 reaches the OFF position, and the lock mechanism 12 enters the unlocked state.

[0050] Regarding the transitions from state A to N2 and from state D to N1, after the rotating body 61 is displaced to the locked or unlocked position, the rotating body 61 returns to the neutral position. During this return to neutral, the lock plate 21 is not operated by the lock operation unit 64.

[0051] The locking mechanism 22 maintains the locked state by holding the lock plate 21 in the ON position even when the rotating body 61 returns from the locked position to the neutral position. The locking mechanism 22 maintains the unlocked state by holding the lock plate 21 in the OFF position even when the rotating body 61 returns from the unlocked position to the neutral position.

[0052] The locking retaining part 22 is, for example, an action spring supported by the housing 10. The lock plate 21 is provided with an engaging projection 21b that protrudes from its end face toward the housing 10. The locking retaining part 22 engages with the engaging projection 21b whether the lock plate 21 is in the ON position or the OFF position, thereby maintaining the position of the lock plate 21 relative to the housing 10 (position relative to the rotating body 61). When the lock plate 21 is displaced by the driving force of the motor 15, the locking retaining part 22 elastically deforms due to the displacement of the engaging projection 21b, and the engagement between the locking retaining part 22 and the engaging projection 21b is released. Once the displacement of the lock plate 21 is complete, the locking retaining part 22 returns to its original shape and engages with the engaging projection 21b again.

[0053] Next, the function of the first blocker 66 will be described with reference to Figures 6 and 7.

[0054] The first blocker 66 is displaceable relative to the lock plate 21 between a first initial position, which is close to the lock plate 21, and a first extended position, which is extended beyond the lock plate 21. The lock plate 21 has a blocker receiving groove 21c at the end facing the rotating body 61. In the first initial position, the first blocker 66 is received in the blocker receiving groove 21c. In the first extended position, the first blocker 66 partially protrudes from the blocker receiving groove 21c.

[0055] The displacement direction of the first blocker 66 relative to the lock plate 21 is parallel to the translational direction of the lock plate 21 relative to the housing 10. In the plane of Figure 6, this direction is the vertical direction, with the first initial position of the first blocker 66 being on the lower side and the first protruding position being on the upper side.

[0056] The first blocker 66 is plate-shaped and slidably supported on the lock plate 21. For example, a guide groove may be provided on the edge of the blocker receiving groove 21c to slidably support the first blocker 66.

[0057] The first blocker biasing member 67 is, for example, a spring engaged with the lock plate 21 and the first blocker 66, and biases the first blocker 66 to the first initial position.

[0058] As described above, the first blocker 66 is displaceable relative to the lock plate 21 and is also displaceable relative to the rotating body 61 between the first blocking position and the first retracted position. The first blocker 66 has a locking piece 66a at its protruding end that protrudes toward the rotating body 61 in the axial direction of the rotating body 61.

[0059] The first blocker holding portion 68 protrudes from the end face of the rotating body 61 toward the first blocker 66 and the lock plate 21. The first blocker holding portion 68 is an L-shaped wall when viewed in the axial direction. The first blocker holding portion 68 has a circumferentially extending embracing portion 68a and a protruding portion 68b extending radially toward the center from the end of the embracing portion 68a on the second side in the rotational direction.

[0060] Referring to Figure 6, in state N1, when the lock plate 21 is in the off position and the rotating body 61 is in the neutral position, the first blocker 66 is biased to a first initial position relative to the lock plate 21. The first blocker 66 is in a first blocking position relative to the rotating body 61, and most of it overlaps with the rotating body 61 in a plan view. The first blocker holding portion 68 is adjacent to the first blocker 66 in the first blocking position on the second side in the rotational direction. The distance (phase difference) between the gripping portion 68a and the locking piece 66a is smaller than the distance between the first locking operating portion 64a and the locked operating portion 21a.

[0061] Regarding the transition from state N1 to A, when the rotating body 61 rotates from the neutral position to the locked position, the gripping portion 68a enters the radially outer circumference side, i.e., the ON position side of the lock plate 21 (the lower side of the paper in Figure 6), as seen from the locking piece 66a, before the rotating body 61 reaches the lock operation start position. Once the rotating body 61 has passed the lock operation start position, the lock plate 21 is displaced from the OFF position to the ON position as described above. The first blocker 66 maintains a first blocking position relative to the rotating body 61, regardless of the biasing force of the first blocker biasing member 67, due to the engagement of the gripping portion 68a and the locking piece 66a. The first blocker 66 is displaced relative to the lock plate 21 from its first initial position.

[0062] When the rotating body 61 reaches the locked position, the lock plate 21 reaches the ON position. The first blocker 66 is positioned in a first blocking position relative to the rotating body 61, while being in a first extended position relative to the lock plate 21. Furthermore, when the rotating body 61 reaches the locked position, the abutment portion 68b of the first blocker holding portion 68 comes into contact with the locking piece 66a. Therefore, even if the motor 15 generates driving force after the rotating body 61 has reached the locked position, the rotational displacement of the rotating body 61 toward the first side is prevented by the first blocker 66.

[0063] Therefore, the control unit 17 (see Figure 1) does not necessarily have to provide feedback on the rotational position of the motor 15 or the rotating body 61. The control unit 17 may also perform time-delay control to drive the motor 15 for a predetermined time sufficient to rotate the rotating body 61 from the neutral position to the locked position. Even with time-delay control, the rotating body 61 will stop precisely at the locked position. This avoids the situation where the rotating body 61 stops before the locked position, resulting in incomplete switching of the locking mechanism 12. It also avoids the situation where the rotating body 61 stops beyond the locked position, resulting in unintended operation of the child locking mechanism 13.

[0064] Regarding the transition from state A to N2, when the rotating body 61 returns from the locked position to the neutral position, the first blocker holding part 68 moves in a circular motion together with the rotating body 61, and the engagement between the embracing part 68a and the locking piece 66a is released. The first blocker 66 is displaced by the biasing force of the first blocker biasing member 67 from the first extended position to the first initial position relative to the lock plate 21 in the ON position, and displaced from the first blocking position to the first retracted position relative to the rotating body 61. That is, the first blocker 66 is translated so as to move closer to the lock plate 21 and away from the rotating body 61.

[0065] Referring to Figure 7, regarding the transition from state N2 to B to N3, when the lock plate 21 is in the ON position, if the rotating body 61 rotates from the neutral position to the CHL position, the first blocker holder 68 cannot engage with the first blocker 66 which is in the first retracted position. The rotating body 61 is allowed to rotate further toward the first side from the locked position and can reach the CHL position. Even during the return of the rotating body 61 from the CHL position to the neutral position, the rotational displacement of the rotating body 61 is not obstructed by the first blocker 66. Even after the return of the rotating body 61 to the neutral position, the first blocker 66 remains in the first initial position and the first retracted position.

[0066] Referring to Figure 6, regarding the transition from state N2 to D to N1, when the lock plate 21 is in the ON position, if the rotating body 61 rotates from the neutral position to the unlocked position, the lock plate 21 is displaced from the ON position to the OFF position. The first blocker 66 maintains its first initial position relative to the lock plate 21 and displaces itself to move closer to the rotating body 61 together with the lock plate 21. The first blocker 66 is displaced from the first retracted position to the first blocking position relative to the rotating body 61. Even after the rotating body 61 returns to the neutral position from the unlocked position, the first blocker 66 remains in both the first initial position and the first blocking position.

[0067] Regarding the transition from state N2 to B or D, the control unit 17 (see Figure 1) may perform time-delayed control, driving the motor 15 for a predetermined time sufficient to rotate the rotating body 61 to the CHL position or unlock position. In this case, the door lock device 1 may further include a blocking mechanism that mechanically stops the rotational displacement of the rotating body 61 at the CHL position or unlock position. Note that the CHL position and unlock position are the limits of the position control range of the rotating body 61, and it is more acceptable for the rotating body 61 to slightly exceed these limits than to exceed an intermediate position within the control range (the locked position in this example). Therefore, it is also possible to apply time-delayed control of the motor 15 to the rotational displacement at the CHL position or unlock position without a blocking mechanism.

[0068] Thus, according to this embodiment, the first blocker 66 can mechanically prevent the rotating body 61 from overrunning, and the control of the motor 15 can be simplified. The operation of the first blocker 66 is mechanically controlled by the first blocker biasing member 67 and the first blocker holding part 68. Furthermore, a dedicated actuator is not required to operate the first blocker 66. Therefore, the door lock device 1 can be simplified.

[0069] Next, referring to Figure 8, the state transitions of the child lock mechanism 13 by the CHL operating unit 65 and the CHL holding unit 32 will be explained.

[0070] The CHL joint 31 is operated by the CHL operating unit 65 and is displaced relative to the rotating body 61 between a CHL-on position corresponding to the CHL state and a CHL-off position corresponding to the non-CHL state. The CHL joint 31 is supported so as to be translationally movable relative to the housing 10. The CHL joint 31 is a long, plate-like structure and translates along its direction of extension.

[0071] The extending and translational directions of the CHL joint 31 are parallel to the extending and translational directions of the lock plate 21 (see Figure 3). In the plane of Figures 3, 6, and 8, this direction is the vertical direction. The off position of the lock plate 21 is on the upper side, and the on position is on the lower side (see Figure 6). Similarly, the CHL off position of the CHL joint 31 is on the upper side, and the CHL on position is on the lower side (see Figure 8). By adjusting the lengths of the lock plate 21 and the CHL joint 31, the arrangement of the components of the door lock device 1, including the motor 15, can be easily adjusted.

[0072] The CHL joint 31 has a CHL operated portion 31a that is pressed by the CHL operating portion 65. The CHL operated portion 31a is, for example, a projection that protrudes from the end face of the CHL joint 31 toward the rotating body 61.

[0073] On the other hand, the CHL operating section 65 includes a first CHL operating section 65a located on the second side relative to the CHL operated section 31a in the rotational direction, and a second CHL operating section 65b located on the first side relative to the CHL operated section 31a in the rotational direction. The first CHL operating section 65a and the second CHL operating section 65b are projections that protrude from the end face of the rotating body 61 toward the CHL joint 31.

[0074] Regarding the transition from state N2 to B, when the CHL joint 31 is in the CHL-off position (the child lock mechanism 13 is in the non-CHL state), as the rotating body 61 rotates from the neutral position toward the CHL position towards the first side, the CHL joint 31 is not operated by the CHL operating part 65 from the neutral position to the locked position. After passing the locked position, the first CHL operating part 65a comes into contact with the CHL operated part 31a. The CHL operated part 31a is pushed by the first CHL operating part 65a, and the CHL joint 31 is displaced relative to the rotating body 61. When the rotating body 61 reaches the CHL position, the CHL joint 31 reaches the CHL-on position, and the child lock mechanism 13 enters the CHL state. During this transition, the lock plate 21 is not operated by the lock operating part 64, and the lock mechanism 12 maintains its locked state.

[0075] Regarding the transition from state N3 to C, when the CHL joint 31 is in the CHL ON position (child lock mechanism 13 is in the CHL state), as the rotating body 61 rotates from the neutral position to the non-CHL position, the second CHL operating part 65b comes into contact with the CHL operated part 31a. The CHL operated part 31a is pushed by the second CHL operating part 65b, and the CHL joint 31 is displaced relative to the rotating body 61. When the rotating body 61 reaches the non-CHL position, the CHL joint 31 reaches the CHL OFF position, and the child lock mechanism 13 enters the non-CHL state. During this transition, the lock plate 21 is not operated by the lock operating part 64, the lock plate 21 maintains the ON position, and the lock mechanism 12 maintains the locked state.

[0076] Regarding the transitions from state B to N3 and from state C to N2, after the rotating body 61 is displaced to the CHL position or non-CHL position, the rotating body 61 returns to the neutral position. During this return to neutral, the CHL joint 31 is not operated by the CHL operating unit 65.

[0077] The CHL holding part 32 maintains the CHL state by holding the CHL joint 31 in the CHL ON position even when the rotating body 61 returns from the CHL locked position to the neutral position. The CHL holding part 32 maintains the non-CHL state by holding the CHL joint 31 in the CHL OFF position even when the rotating body 61 returns from the unlocked position to the neutral position.

[0078] The CHL holding portion 32 is, for example, an action spring supported by the housing 10. The CHL joint 31 is provided with an engaging projection 31b that protrudes from its end face toward the housing 10. The CHL holding portion 32 engages with the engaging projection 31b whether the CHL joint 31 is in the CHL ON position or the CHL OFF position, thereby maintaining the position of the CHL joint 31 relative to the housing 10 (position relative to the rotating body 61). When the CHL joint 31 is displaced by the driving force of the motor 15, the CHL holding portion 32 elastically deforms due to the displacement of the engaging projection 31b, and the engagement between the CHL holding portion 32 and the engaging projection 31b is released. Once the displacement of the CHL joint 31 is complete, the CHL holding portion 32 returns to its original shape and engages with the engaging projection 31b again.

[0079] Next, the function of the second blocker 76 will be described with reference to Figures 8 and 9. The relationship between the second blocker 76, the CHL joint 31, and the rotating body 61 is the same as the relationship between the first blocker 66, the lock plate 21, and the rotating body 61.

[0080] The second blocker 76 faces the first blocker 66 in the diametrical direction (see Figure 3). The second blocker 76 is slidably supported by the CHL joint 31 and is displaceable relative to the CHL joint 31 between a second initial position and a second extended position. The direction of displacement of the second blocker 76 relative to the CHL joint 31 is parallel to the translational direction of the CHL joint 31 relative to the housing 10. In the plane of Figure 8, this direction is the vertical direction, with the second initial position of the second blocker 76 being on the upper side and the second extended position being on the lower side. In the second initial position, the second blocker 76 is received in the blocker receiving groove 31c of the CHL joint 31. In the second extended position, the second blocker 76 partially protrudes from the blocker receiving groove 31c.

[0081] The second blocker 76 is displaceable relative to the rotating body 61 between the second blocking position and the second retracted position. The second blocker 76 has a locking piece 76a at its protruding end that protrudes toward the rotating body 61 in the axial direction of the rotating body 61.

[0082] The second blocker biasing member 77 is, for example, a spring engaged with the CHL joint 31 and the second blocker 76, and biases the second blocker 76 to the second initial position. The second blocker holding portion 78 protrudes from the end face of the rotating body 61 toward the second blocker 76 and the CHL joint 31. The second blocker holding portion 78 is an L-shaped wall when viewed in the axial direction. The second blocker holding portion 78 has a circumferentially extending embracing portion 78a and a butt portion 78b extending radially toward the center from the first end of the embracing portion 78a in the rotational direction.

[0083] Referring to Figure 8, in state N3, when the CHL joint 31 is in the CHL-on position and the rotating body 61 is in the neutral position, the second blocker 76 is biased to the second initial position relative to the CHL joint 31 and to the second blocking position relative to the rotating body 61. The second blocker holder 78 is adjacent to the second blocker 76 in the second blocking position on the first side in the rotational direction.

[0084] Regarding the transition from state N3 to C, when the rotating body 61 rotates from the neutral position to the non-CHL position, the gripping portion 78a enters the radial outer circumference side as seen from the locking piece 76a, i.e., the CHL-off position side of the CHL joint 31 (upper side of the paper in Figure 8). The second blocker 76 maintains the second blocking position relative to the rotating body 61 regardless of the biasing force of the second blocker biasing member 77, due to the engagement of the gripping portion 78a and the locking piece 76a. The CHL joint 31 is displaced from the CHL-on position to the CHL-off position. Therefore, the second blocker 76 is displaced relative to the CHL joint 31 from the second initial position.

[0085] When the rotating body 61 reaches the non-CHL position, the CHL joint 31 reaches the CHL-off position. The second blocker 76 is positioned in the second blocking position relative to the rotating body 61, while being positioned in the second extended position relative to the CHL joint 31. In addition, the abutment portion 78b of the second blocker holding portion 78 abuts against the locking piece 76a. Therefore, even if the motor 15 generates driving force after the rotating body 61 has reached the non-CHL position, the rotational displacement of the rotating body 61 toward the second side is prevented by the second blocker 76.

[0086] Regarding the transition from state C to N2, when the rotating body 61 returns from the non-CHL position to the neutral position, the second blocker holding part 78 moves in a circular motion together with the rotating body 61, and the engagement between the embracing part 78a and the locking piece 76a is released. The second blocker 76 is displaced by the biasing force of the second blocker biasing member 77 from the second extended position to the second initial position relative to the CHL joint 31 in the CHL-off position, and displaced from the second blocking position to the second retracted position relative to the rotating body 61.

[0087] Referring to Figure 9, regarding the transition from state N2 to D to N1, when the CHL joint 31 is in the CHL-off position, if the rotating body 61 rotates from the neutral position to the unlocked position, the second blocker holder 78 cannot engage with the second blocker 76 which is in the second retracted position. The rotating body 61 is allowed to rotate further towards the second side from the non-CHL position and can reach the unlocked position. Even during the return of the rotating body 61 from the unlocked position to the neutral position, the rotational displacement of the rotating body 61 is not obstructed by the second blocker 76, and even after the return of the rotating body 61 to the neutral position, the second blocker 76 remains in the second initial position and the second retracted position.

[0088] Referring to Figure 8, regarding the transition from state N2 to B to N3, when the CHL joint 31 is in the CHL-off position, if the rotating body 61 rotates from the neutral position to the CHL position, the CHL joint 31 is displaced from the CHL-off position to the CHL-on position. The second blocker 76 maintains its first initial position relative to the CHL joint 31 and displaces itself to move closer to the rotating body 61 together with the CHL joint 31. The second blocker 76 is displaced from the second retracted position to the second blocking position relative to the rotating body 61. Even after the rotating body 61 returns to the neutral position from the CHL position, the second blocker 76 remains in both the second initial position and the second blocking position.

[0089] In this way, the second blocker 76 can also mechanically prevent the rotating body 61 from overrunning, simplifying the control of the motor 15. The operation of the second blocker 76 is mechanically controlled by the second blocker biasing member 77 and the second blocker holding part 78. Furthermore, a dedicated actuator is not required to operate the second blocker 76. Therefore, the door lock device 1 can be simplified.

[0090] As described above, according to this embodiment, the switching mechanism 16 enables both the displacement of the lock plate 21, which facilitates the operation of the lock mechanism 12, and the displacement of the CHL joint 31, which facilitates the operation of the child lock mechanism 13, to be achieved using a single motor 15 as the drive source. The specific configuration for converting the displacement of the lock plate 21 into the operation of the lock mechanism 12 is not particularly limited. The specific configuration for converting the displacement of the CHL joint 31 into the operation of the child lock mechanism 13 is not particularly limited.

[0091] Below, with reference to Figure 10, a brief explanation of an example of the configuration of the child lock mechanism 13 that operates in accordance with the displacement of the CHL joint 31 will be given.

[0092] The first inner lever 33 and the second inner lever 34 are supported on the housing 10 so as to be rotatable around the same central axis A13.

[0093] The first inner lever 33 has a first arm 33a extending radially from a central boss and a first operating receiving portion 33c provided at a position diametrically opposite to the base end of the first arm 33a. The first arm 33a is provided with a radially extending slot 33d. The first inner lever 33 is connected to a locking mechanism 12 (see Figure 2) via a mechanism not shown.

[0094] The second inner lever 34 has a semi-circular lever base 34a and a second arm 34b extending radially from the lever base 34a. The lever base 34a is provided with a first operating portion 34c and a second operating portion 34d. The first operating portion 34c is provided on the first end face of the lever base 34a extending radially from the central boss and faces the first operating receiving portion 33c in the circumferential direction. The second operating portion 34d is provided on the second end face of the lever base 34a extending radially from the central boss on the opposite side from the first end face. The tip of the second arm 34b is connected to the inner handle 7 (see Figure 1) via a cable (not shown).

[0095] The child lever 35 has a second operating receiving portion 35a at one end and a locking pin 35b at the other end. The second operating receiving portion 35a is fitted into a slot 33d of the first inner lever 33 and is slidable along the extending direction of the slot 33d. The child lever 35 can be displaced relative to the first inner lever 33 between an operating position and a retracted position. In the operating position, the second operating receiving portion 35a is located at one end of the slot 33d (upper side of the paper in Figure 10) and faces the second operating portion 34d in the circumferential direction. In the retracted position, the second operating receiving portion 35a is located at the other end of the slot 33d (lower side of the paper in Figure 10) and moves radially away from the second operating portion 34d. The locking pin 35b is locked to the CHL joint 31. The lever biasing member 36 is locked to the CHL joint 31 and the locking pin 35b, and biases the child lever 35.

[0096] In the non-CHL state, the CHL joint 31 is in the CHL-off position and the child lever 35 is in the operating position. When the inner handle 7 is operated, the operating force causes the second arm 34b to swing and the second inner lever 34 to rotate. The second operating part 34d pushes the second operating receiving part 35a, causing the first inner lever 33 to rotate. This operates the latch mechanism 11 via the locking mechanism 12, switching the latch mechanism 11 from the locked state to the unlocked state.

[0097] When transitioning from a non-CHL state to a CHL state, the CHL joint 31 is displaced from the CHL-off position to the CHL-on position. Consequently, the child lever 35 is displaced from the operating position to the retracted position relative to the first inner lever 33. When the inner handle 7 is operated, the operating force causes the second arm 34b to swing and the second inner lever 34 to rotate. However, the second operating part 34d cannot push the second operating receiving part 35a, and the first inner lever 33 does not rotate. Regardless of the operation of the inner handle 7, the latch mechanism 11 maintains its locked state.

[0098] The configuration of the above embodiment is an example and can be modified as appropriate within the scope of the present invention. [Explanation of Symbols]

[0099] 1. Door locking device 2 car bodies 3 Striker 5 doors 6 Locking Knobs 7 Inner Handle 8 Outer Handles 10 cabinets 11. Latch mechanism 12 Locking mechanism 13 Child lock mechanism 14. Latch motor 15 Motor 16 Switching mechanism 17 Control Unit 18a Unlatching switch 18b Lock selector switch 18c CHL selector switch 21 Lock Plate 21a Locked operating part 21b Engagement protrusion 21c Blocker receiving groove 22 Locking mechanism 31 CHL Joint 31a CHL operated part 31b Engagement protrusion 31c Blocker receiving groove 32 CHL holding part 33. First Inner Lever 33a First Arm 33c 1st operation receiver 33d slot 34. Second inner lever 34a Lever base 34b Second Arm 34c 1st operation section 34d 2nd operation section 35 Child lever 35a 2nd operation receiver 35b Locking pin 36 Lever biasing member 61. Solids of revolution 62 Reducer 62a Worm 63 Rotating body biasing member 64 Locking mechanism 64a First locking mechanism 64b Second locking mechanism 65 CHL operation section 65a 1st CHL operation section 65b 2nd CHL operation section 66 First Blocker 66a Locking piece 67 First Blocker Biasing Member 68. First blocker holding section 68a Holding part 68b Abutment part 76 Second Blocker 76a Locking piece 77 Second Blocker Biasing Member 78 Second Blocker Holding Section 78a Holding part 78b Abutment part A13,A61 Center axis A-D, N1-N3 status

Claims

1. A latch mechanism that switches between a locked state in which the door is locked to the vehicle body and an unlocked state in which the door is released from being locked to the vehicle body, A locking mechanism that switches between an unlocked state that allows switching from the locked state to the unlocked state and a locked state that prevents such switching, A child lock mechanism that switches between a non-CHL state, which allows switching from the locked state to the unlocked state by operating the inner handle inside the vehicle, and a CHL state, which prevents such switching by operating the inner handle. A motor that generates the driving force to drive the locking mechanism and the child locking mechanism, A switching mechanism that switches the state of the lock mechanism and the child lock mechanism based on the aforementioned driving force, Equipped with, The switching mechanism includes a rotating body that is rotationally driven by the driving force, The aforementioned rotating body, neutral position, In the rotational direction, the lock position is on the first side relative to the neutral position, Further to the first side of the aforementioned lock position, the CHL position, In the direction of rotation, the unlocked position is on the second side opposite to the first side with respect to the neutral position. It is rotatably displaceable, The aforementioned rotating body, A locking operation unit operates the locking mechanism to switch the state of the locking mechanism in accordance with the rotational displacement from the neutral position to the locked position or the unlocked position, A CHL operating unit operates the child lock mechanism to switch the state of the child lock mechanism from the non-CHL state to the CHL state in accordance with the rotational displacement from the locked position to the CHL position, It has Door locking device.

2. The switching mechanism further includes a rotating body biasing member that biases the rotating body to the neutral position, The rotating body, after being rotated from the neutral position against the biasing force of the rotating body biasing member by the driving force, returns to the neutral position due to the biasing force of the rotating body biasing member when the motor stops. The door lock device according to claim 1.

3. The switching mechanism further includes a first blocker that is displaceable relative to the rotating body between a first blocking position and a first retracted position, When the locking mechanism is in the unlocked state and the rotating body is in the neutral position, the first blocker is in the first blocking position. When the first blocker is in the first blocking position, if the rotating body rotates from the neutral position toward the first side, the locking mechanism switches from the unlocked state to the locked state, while the first blocker prevents the rotating body from rotating from the locked position toward the first side. When the rotating body returns from the locked position to the neutral position, the first blocker is displaced from the first blocking position to the first retracted position. When the first blocker is in the first retracted position and the rotating body rotates toward the first side from the neutral position, the first blocker allows the rotating body to rotate toward the first side from the locked position, and the child lock mechanism switches from the non-CHL state to the CHL state. The door lock device according to claim 2.

4. The locking mechanism has a locking member that is operated by the locking operation unit and displaces relative to the rotating body between an ON position corresponding to the locked state and an OFF position corresponding to the unlocked state. The first blocker is displaceable relative to the locking member between a first initial position close to the locking member and a first extended position away from the locking member. The switching mechanism further includes a first blocker biasing member that biases the first blocker to the first initial position, When the locking mechanism is in the unlocked state and the rotating body is in the neutral position, the first blocker is biased to the first initial position relative to the locking member in the off position and to the first blocking position relative to the rotating body. When the first blocker is in the first initial position and the first blocking position, if the rotating body rotates toward the first side from the neutral position, the locking member is displaced from the off position to the on position, while the first blocker maintains the first blocking position with respect to the rotating body and is displaced relative to the locking member from the first initial position to the first extended position. When the rotating body returns from the locked position to the neutral position, the first blocker is biased by the first blocker biasing member and displaced relative to the locking member from the first extended position to the first initial position, and displaced relative to the rotating body from the first blocking position to the first retracted position. The door lock device according to claim 3.

5. The rotating body further comprises a first blocker holding portion, The aforementioned blocker holding part is In the process of the rotating body rotating from the neutral position to the locked position, it engages with the first blocker in the first blocking position and holds the first blocker in the first blocking position against the biasing force of the first blocker biasing member. During the process of the rotating body returning from the locked position to the neutral position, the holding of the first blocker is released. The door lock device according to claim 4.

6. The rotating body is rotatably displaceable to a non-CHL position between the neutral position and the unlocked position in the direction of rotation. When the locking mechanism is in the locked state and the child locking mechanism is in the CHL state, if the rotating body rotates from the neutral position to the non-CHL position, the CHL operating unit operates the child locking mechanism to switch it from the CHL state to the non-CHL state. The door lock device according to claim 2.

7. The switching mechanism further includes a second blocker that is displaceable relative to the rotating body between a second blocking position and a second retracted position, When the child lock mechanism is in the CHL state and the rotating body is in the neutral position, the second blocker is in the second blocking position. When the second blocker is in the second blocking position, if the rotating body rotates from the neutral position toward the second side, the child lock mechanism switches from the non-CHL state to the CHL state, while the second blocker prevents the rotating body from rotating from the non-CHL position toward the second side. When the rotating body returns from the non-CHL position to the neutral position, the second blocker is displaced from the second blocking position to the second retracted position. When the second blocker is in the retracted position and the rotating body rotates from the neutral position toward the second side, the second blocker allows the rotating body to rotate from the non-CHL position toward the second side, and the locking mechanism switches from the locked state to the unlocked state. The door lock device according to claim 6.

8. The locking mechanism has a locking member that is operated by the locking operation unit and displaces relative to the rotating body between an ON position corresponding to the locked state and an OFF position corresponding to the unlocked state. The child lock mechanism is operated by the CHL operating unit and has a CHL member that is displaced relative to the rotating body between a CHL ON position corresponding to the CHL state and a CHL OFF position corresponding to the non-CHL state. The locking member and the CHL member are plate-shaped and extend parallel to each other, and undergo translational displacement along the direction of extension. A door lock device according to any one of claims 1 to 7.

9. The locking member has a lockable portion that is pressed by the locking operating portion, The locking operation unit includes a first locking operation unit located on the second side with respect to the locked operation unit, and a second locking operation unit located on the first side with respect to the locked operation unit. The door lock device according to claim 8.

10. In response to the rotational displacement of the rotating body toward the first side, the first locking operation unit pushes the locked operation unit, causing the locking member to be displaced from the off position to the on position. In response to the rotational displacement of the rotating body toward the second side, the second locking operation unit pushes the locked operation unit, causing the locking member to be displaced from the ON position to the OFF position. The door lock device according to claim 9.

Images