Latch device for front hood

Abstract

The utility model provides a latch device for a front vehicle cover, which can ensure the safety when the front vehicle cover is opened and improve the convenience. A latch device (1) for a front hood is provided with a latch (21), a primary pawl (22), a secondary pawl (23), an electric motor (41) that can rotate forward and backward, and an opening lever (35) that is actuated by the driving of the electric motor (41). The opening lever (35) releases a state of engagement between the latch (21) and the primary pawl (22) by rotation of the electric motor (41) in a first direction and brings the front hood (FP) from a fully closed position to a semi-hanging position, and releases a state of engagement between the latch (21) and the primary pawl (22) and a state of engagement between the latch (21) and the secondary pawl (23) by rotation of the electric motor (41) in a second direction and brings the front hood (FP) from a fully closed position to a semi-hanging position. The front hood (FP) can be moved from a fully closed position to a fully open position.

Description

TECHNICAL FIELD

[0001] The utility model relates to a latch device for a front hood. BACKGROUND

[0002] Among vehicles such as electric vehicles, rear-engine vehicles in which an engine is mounted at the rear of a vehicle body, there are vehicles in which the front of the vehicle body is used as a front trunk (also referred to as a frunk). A front hood that opens and closes the front trunk is appropriately locked by a latch device.

[0003] Sometimes an actuator that electrically opens and closes the front hood is provided in the latch device. For example, the latch device described in Patent Literature 1 includes a latch that engages with a striker, a locking mechanism that engages with the latch to lock the hood in a fully closed state, a hook that holds the hood in a half-hung state between the fully closed state and a fully open state, and an actuator that causes the locking mechanism and the hook to act. If the actuator is rotated in a first direction while the hood is in the fully closed state, the engagement of the locking mechanism with the latch is released, and the hood becomes the half-hung state. If the actuator is rotated in a second direction opposite the first direction from the half-hung state of the hood, the hook is rotated and the hood becomes a state in which it can be fully opened.

[0004] In the latch device of Patent Literature 1, since the hood is opened from the fully closed state via the half-hung state, for example, it is possible to prevent the hood from accidentally becoming the fully open state while driving, and it is possible to ensure safety.

[0005] PRIOR ART DOCUMENTS

[0006] PATENT LITERATURE

[0007] Patent Literature 1: German Patent Application Publication No. 102018214355 SUMMARY

[0008] PROBLEMS TO BE SOLVED BY THE INVENTION

[0009] The latch device of Patent Literature 1 is a structure in which the actuator is first rotated in the first direction and then rotated in the second direction when the hood is opened from the fully closed state, so two operations are required, and the operation is complicated. In the case where the front of the vehicle body is used as a front trunk, since the frequency of opening and closing the front hood is relatively high, for example, even when it is not a problem if the front hood becomes the fully open state, such as when the vehicle is parked, it is desirable to be able to open the front hood with fewer operations.

[0010] The utility model provides a latch device for a front hood that ensures safety when the front hood is opened and improves convenience.

[0011] SOLUTION TO THE PROBLEM

[0012] The utility model discloses a (1) is a front hood latch device, it is with the way of being able to with the striker that sets up in the front hood of vehicle and engages, carries out the open and close control of the front hood, wherein,

[0013] The front hood latch device comprises:

[0014] A latch engages with the striker in a state that the front hood is closed, and is forced by a force member to a direction that disengages from the engagement with the striker;

[0015] A primary pawl maintains the front hood in a fully closed position by engaging with the latch in a case that the latch engaging with the striker is arranged at a predetermined primary lock position;

[0016] A secondary pawl maintains the front hood in a half hanging position by engaging with the latch in a case that the latch disengaging from the primary pawl is arranged at a predetermined secondary lock position;

[0017] A motor can rotate in both directions; and

[0018] A release mechanism can disengage the engagement state of the latch and the primary pawl and the engagement state of the latch and the secondary pawl by the driving of the motor,

[0019] The release mechanism disengages the engagement state of the latch and the primary pawl by the rotation of the motor in a first direction, so that the front hood moves from the fully closed position to the half hanging position,

[0020] The engagement state of the latch and the primary pawl and the engagement state of the latch and the secondary pawl are disengaged by the rotation of the motor in a second direction opposite to the first direction, so that the front hood can move from the fully closed position to a fully open position.

[0021] (2). The front hood latch device according to (1), wherein,

[0022] The front hood latch device further comprises a connecting rod member connecting the primary pawl and the secondary pawl,

[0023] The connecting rod member is arranged to maintain the engagement state of the secondary pawl and the latch in a case that the primary pawl acts in a direction to disengage from the engagement state with the latch, and to link the primary pawl to act in a direction to disengage from the engagement state with the latch in a case that the secondary pawl acts in a direction to disengage from the engagement state with the latch.

[0024] (3). The front hood latch device according to (2), wherein,

[0025] The release mechanism includes a lever that is rotatable in a direction engaged with the primary pawl by rotation of the motor in the first direction and is rotatable in a direction engaged with the secondary pawl by rotation of the motor in the second direction,

[0026] The lever rotates the primary pawl independently of the secondary pawl by rotation of the motor in the first direction, releases the engagement of the latch with the primary pawl, and maintains the engagement of the latch with the secondary pawl,

[0027] The secondary pawl and the primary pawl linked to the rotation of the secondary pawl are rotated by rotation of the motor in the second direction, releasing the engagement of the latch with the primary pawl and the engagement of the latch with the secondary pawl.

[0028] (4). The latch device for a front hood according to (3), wherein

[0029] The lever is disposed at a position overlapping the rotation tracks of the primary pawl and the secondary pawl when viewed in the direction of the rotation axis of the lever,

[0030] The primary pawl and the secondary pawl each have a bent portion bent in the direction of the rotation axis and disposed on the rotation track of the lever.

[0031] (5). The latch device for a front hood according to (3), wherein

[0032] The lever is disposed at a position overlapping the rotation tracks of the primary pawl and the secondary pawl when viewed in the direction of the rotation axis of the lever,

[0033] The rotation axis of the lever and the rotation axis of the secondary pawl are located on substantially the same axis.

[0034] (6). The latch device for a front hood according to (3), wherein

[0035] An actuator unit including the motor and a power transmission portion that transmits the power of the motor to the lever is disposed at a position not overlapping the rotation axis of the latch when viewed in the direction of the rotation axis of the latch.

[0036] (7). The latch device for a front hood according to any one of (2) to (6), wherein

[0037] The secondary pawl is linked to a first operation transmission portion that transmits an operation force manually input from a first operation portion provided in a passenger compartment.

[0038] (8). The latch device for a front hood according to any one of (2) to (6), wherein

[0039] A second operation transmission portion is connected to the primary pawl, and transmits a manual operation force input from a second operation portion provided in a front trunk covered by the front hood.

[0040] (9). The latch device for a front hood according to any one of (1) to (6), wherein

[0041] The latch device for a front hood further includes a controller that controls the rotational drive of the motor,

[0042] In a case where an input is made to an electric operation portion provided in a front trunk covered by the front hood and it is determined that the vehicle is in a predetermined state, the controller rotates the motor in the first direction,

[0043] The predetermined state includes at least one of a state in which the vehicle travels at a speed equal to or higher than a predetermined speed and a state in which a gear other than a parking gear is selected.

[0044] Effects of the Invention

[0045] According to the present application, safety can be ensured and convenience can be improved when the front hood is opened and closed. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 FIG. 1 is a side view of a vehicle in a state in which a front hood of a latch device for a front hood 1 according to an embodiment of the present application is in a fully open position.

[0047] Figure 2 FIG. 3 is a perspective view of the latch device 1 as viewed from the side of the base plate 11.

[0048] Figure 3 FIG. 4 is an exploded perspective view of the housing member 10.

[0049] Figure 4 FIG. 5 is a view showing the internal structure of the latch device 1.

[0050] Figure 5 FIG. 6 is a partial perspective view of the internal structure of the latch device 1.

[0051] Figure 6 FIG. 7 is a view showing an actuator unit 40 housed in an actuator housing 40H.

[0052] Figure 7 (a) to (d) of FIG. 8 are views showing the operation of the latch device 1 when the electric motor 41 is rotated in the second direction in a state in which the front hood FP is in a fully closed position, in order. Figure 7 (d) of FIG. 8 are views showing the operation of the latch device 1 when the electric motor 41 is rotated in the second direction in a state in which the front hood FP is in a fully closed position, in order.

[0053] Figure 8 (a)~ Figure 8 (d) is a diagram showing the operation of the latching device 1 when the electric motor 41 rotates in the first direction from the state where the front hood FP is in the fully closed position.

[0054] Figure 9 This is a block diagram representing the control system of latching device 1.

[0055] Figure 10 This is the procedure for opening the hood (FP) when the vehicle is in state 1 (parked state, etc.).

[0056] Figure 11 This is the procedure for opening the hood (FP) when the vehicle is in state 2 (driving state, etc.).

[0057] Figure 12 The procedure involves opening the front hood FP using the handle 31 inside the front trunk.

[0058] Explanation of reference numerals in the attached figures

[0059] 1. Latch device (latch device for hood); 21. Latch; 21a. Latch shaft (rotation shaft); 21e. Latch spring (force application member); 22. Primary pawl; 22d. Connecting part; 23. Secondary pawl; 23a. Secondary shaft (rotation shaft); 26. Link rod (linkage member); 26a. Long hole; 31. Front trunk handle (second operating part); 32. Front trunk cable (second operating transmission part); 33. Emergency handle (first operating part); 34. Emergency cable (first operating transmission part); 35. Opening lever (release mechanism, lever); 35c. Rotation shaft; 40. Actuator unit; 41. Electric motor (motor); 57. Front trunk switch (electric operating part); 100. Controller; FP. Hood; FT. Frunk; S. Strike pin. Detailed Implementation

[0060] Hereinafter, a front hood latching device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description, in the accompanying drawings, the front of the vehicle is denoted as Fr, the rear as Rr, the right as R, the left as L, the top as U, and the bottom as D.

[0061] like Figure 1 As shown, the hood latching device 1 (sometimes simply referred to as latching device 1) is used in four-wheeled vehicles such as electric vehicles, which have a front trunk (hereinafter referred to as front trunk FT) located between the left and right front wheels FW at the front of the vehicle body B, to control the opening and closing of the upper opening of the front trunk FT.Figure 1 The example shown depicts the hood FP in the fully open position. In this embodiment, a striker S is provided at the lower leading edge of the hood FP. The latching device 1 is controlled in such a way that by switching between a state engaged with the striker S and a state unengaged, it maintains either a closed hood FP relative to the vehicle body B or an open trunk FT. The specific structure of the latching device 1 will be described in detail below. Furthermore, for convenience, the various directions will be specified in terms of the orientation of the vehicle body B.

[0062] like Figures 2-6 As shown, the latching device 1 includes a housing member 10, a latch 21, a primary pawl 22, a secondary pawl 23, an opening lever 35, and an actuator unit 40. The housing member 10 is configured to include a base plate 11, a housing 12, and a cover 14. The housing 12 houses the actuator unit 40 and is covered from the rear by the cover 14. The housing 12 and the cover 14 constitute an actuator housing 40H that houses the actuator unit 40. The base plate 11 is formed into a plate shape from steel. The base plate 11 is disposed opposite to the housing 12 and fixed to the housing 12. The latch 21, the primary pawl 22, the secondary pawl 23, and the opening lever 35 are arranged between the base plate 11 and the housing 12. A firing pin entry groove 13 is formed on one side of the upper part of the base plate 11. The striker entry groove 13 is a notch for the striker S to enter when the hood FP is closed relative to the front trunk FT. It is formed in such a way that it extends in the vertical direction and opens at the upper edge of the base plate 11. The dimensions of the striker entry groove 13 are formed to allow the hood FP to be configured in a fully closed position relative to the front trunk FT.

[0063] When the latching device 1 is installed on the vehicle body B, the base plate 11 is positioned at the front of the vehicle, and the actuator housing 40H is positioned at the rear of the vehicle. The base plate 11 has multiple body mounting portions 11a, which are mounted to the vehicle body B using bolts or other fastening components. Because the base plate 11 is positioned at the front of the vehicle, the assemblability and installation compatibility of the front trunk cable 32 and emergency cable 34 (described later) on the vehicle body B are improved. Furthermore, when luggage is loaded into the front trunk FT and encounters the latching device 1, the luggage encounters the base plate 11 first, thus protecting the actuator unit 40 housed in the actuator housing 40H. This allows the latching device 1, installed on the vehicle body B, to operate stably over a long period.

[0064] The latch 21, primary pawl 22, and secondary pawl 23 are each supported on the base plate 11 by separate support shafts and are capable of rotating about mutually parallel axes. In the illustrated example, a latch shaft 21a, serving as the support shaft for the latch 21, is provided on the side of the firing pin entry slot 13. The primary shaft 22a, serving as the support shaft for the primary pawl 22, and the secondary shaft 23a, serving as the support shaft for the secondary pawl 23, are located around the latch 21 in the portion below the latch shaft 21a.

[0065] The latch 21 engages with the firing pin S and has a firing pin abutment 21b and a hook 21c on its outer periphery. The firing pin abutment 21b and the hook 21c can be configured such that the firing pin entry slot 13, which extends radially from the latch shaft 21a through the base plate 11, is adjacent to each other, ensuring that the receiving slot 21d for receiving the firing pin S is adjacent to each other.

[0066] A latch spring 21e, which functions as a torsion coil spring, is provided between the latch 21 and the base plate 11. Due to the force of the latch spring 21e, the latch 21 is always directed in the direction that disengages from the firing pin S. Figure 4 The force is applied in the counterclockwise direction (hereinafter also referred to as the release direction) to return to the predetermined engaging standby position. The engaging standby position refers to the state in which the hook part 21c retracts to the side relative to the firing pin entry groove 13, the firing pin abutment part 21b is positioned to cross the firing pin entry groove 13, and the opening of the receiving groove 21d matches the firing pin entry groove 13.

[0067] In the latched standby position of latch 21, with the hood FP closed, the firing pin S can enter the firing pin entry groove 13. When the hood FP is in the fully open position (see reference...),... Figure 1 When the vehicle moves in the closing direction, the striker S, which enters the striker inlet groove 13, abuts against the striker abutment part 21b, and the hood FP is positioned in the pop-out position (see reference). Figure 7 (c) Figure 7 (d)). As the hood FP moves further from the pop-out position toward the closing direction, the latch 21 overcomes the force of the latch spring 21e and engages with the striker S. Figure 4 Rotating clockwise, with the firing pin S housed in the storage slot 21d, the hook 21c is positioned to pass through the opening end of the firing pin entry slot 13. Furthermore, the position where the storage slot 21d of the latch 21 is positioned below the firing pin entry slot 13 is also referred to as the primary locked position of the latch 21 (see reference). Figure 7 (a) will be explained in detail later. At this time, the hood FP is in the fully closed position. In addition, the position in which the receiving slot 21d of the latch 21 is located above the firing pin entry slot 13 and the hook 21c is configured to pass through the firing pin entry slot 13 is also called the secondary locked position of the latch 21 (see reference). Figure 8 (c)Figure 8 (d)). At this time, the front hood FP is in the semi-trailer position.

[0068] The latch 21 is provided with a switch pressing part 21g that can press the latch detection switch 51. The latch detection switch 51 is a switch that detects the rotational position of the latch 21. The switch pressing part 21g is provided on the actuator unit 40 side of the surface of the latch 21. When the latch 21 is in the primary locked position, the switch pressing part 21g presses the latch detection switch 51. At this time, the latch detection switch 51 becomes closed, detecting that the latch 21 is in the primary locked position, that is, detecting that the hood FP is in the fully closed position. On the other hand, when the latch 21 is in a position other than the primary locked position, the switch pressing part 21g does not press the latch detection switch 51. At this time, the latch detection switch 51 becomes open, detecting that the latch 21 is in the secondary locked position or the latching standby position, that is, detecting that the hood FP is not in the fully closed position.

[0069] The primary pawl 22 and the secondary pawl 23 engage with the latch 21 respectively, thereby overcoming the force of the latch spring 21e, preventing the latch 21 from rotating in the release direction, and stopping at the desired position.

[0070] When the latch 21 is in the primary locked position, the primary pawl 22 prevents the latch 21 from rotating in the release direction by engaging with the primary engagement portion 21j formed on the outer peripheral surface of the latch 21, thus maintaining the hood FP in the fully closed position. A primary spring 22b is provided between the primary pawl 22 and the base plate 11, and the primary spring 22b always applies a force to the primary pawl 22 in the engagement direction.

[0071] The primary pawl 22 has a bent portion 22c, which is bent in the direction of the rotation axis and positioned on the rotation trajectory of the opening lever 35. The opening lever 35 is positioned in the direction it abuts against the primary pawl 22. Figure 4 When the bending part 22c is rotated clockwise, the opening rod 35 presses down on it, overcoming the force of the primary spring 22b and causing the primary pawl 22 to rotate in the direction of disengaging from the latch 21.

[0072] Furthermore, the primary pawl 22 has a front trunk cable connection 22e. A front trunk cable 32, which works in conjunction with the front trunk handle 31 located inside the front trunk FT, is connected to the front trunk cable connection 22e. With the hood FP closed, the front trunk handle 31 can be operated from inside the front trunk FT. When the front trunk handle 31 is operated, the operating force is transmitted to the primary pawl 22 via the front trunk cable 32, overcoming the force of the primary spring 22b and causing the primary pawl 22 to rotate in the direction of disengaging from the latch 21.

[0073] When the latch 21 is disposed in the secondary lock-up position, the secondary pawl 23 is engaged with the secondary engagement portion 21k formed on the outer circumferential surface of the latch 21, and thus rotation of the latch 21 in the release direction is prevented, and the front hood FP is maintained in the half-hung position. A secondary spring 23b that always applies a force to the secondary pawl 23 in the engagement direction is provided between the secondary pawl 23 and the base plate 11.

[0074] The secondary pawl 23 has a bent portion 23c that is bent in the rotational axis direction and is disposed on the rotational trajectory of the opening lever 35. When the opening lever 35 rotates in the direction in which the secondary pawl 23 is brought into contact (counterclockwise direction in FIG. 6), the bent portion 23c is pressed by the opening lever 35, and the secondary pawl 23 is rotated against the force of the secondary spring 23b in the direction in which the engagement with the latch 21 is released. Figure 4

[0075] A cabin cable connecting portion 23e is provided in the secondary pawl 23. An emergency cable 34 that cooperates with an emergency handle 33 provided in the cabin is connected to the cabin cable connecting portion 23e. The emergency handle 33 is, for example, an operation portion provided in the footwell on the inboard side of the driver's seat or the like, which is a position in the cabin that cannot be operated in the state in which the vehicle is running. When the emergency handle 33 is operated, the operation force is transmitted to the secondary pawl 23 via the emergency cable 34, and the secondary pawl 23 is rotated against the force of the secondary spring 23b in the direction in which the engagement with the latch 21 is released.

[0076] The primary pawl 22 and the secondary pawl 23 are linked by a link rod 26. The link rod 26 is provided on the side opposite the latch 21 with respect to the primary pawl 22 and the secondary pawl 23. One end portion of the link rod 26 is rotatably shaft-supported to a linking portion 23d of the secondary pawl 23, and the other end portion of the link rod 26 is rotatably shaft-supported to a linking portion 22d of the primary pawl 22 via a long hole 26a.

[0077] When the secondary pawl 23 is rotated in the direction in which the engagement with the latch 21 is released, the link rod 26 links the primary pawl 22 in the direction in which the engagement with the latch 21 is released. On the other hand, when the primary pawl 22 is rotated in the direction in which the engagement with the latch 21 is released, the link rod 26 maintains the engagement state of the secondary pawl 23 with the latch 21. In detail, when the primary pawl 22 is rotated in the direction in which the engagement with the latch 21 is released, the linking portion 22d moves along the long hole 26a, and thus the link rod 26 does not link the secondary pawl 23. At this time, the primary pawl 22 is independently rotated with respect to the secondary pawl 23, and the secondary pawl 23 is maintained in the engaged state with the latch 21.

[0078] ​The opening lever 35 is configured to be able to rotate in two directions around the rotation axis 35c via the drive of the electric motor 41. Figure 4 The latching device 1 can rotate in both clockwise and counterclockwise directions. Specifically, the opening lever 35 is configured to rotate in a first direction via rotation of the electric motor 41 to engage with the primary pawl 22, and in a second direction opposite to the first direction via rotation of the electric motor 41 to engage with the secondary pawl 23. This allows both the primary and secondary pawls 22 and 23 to be rotated using a single opening lever 35, thus improving space efficiency within the latching device 1 and simplifying its construction.

[0079] The opening lever 35 is positioned on the actuator unit 40 side of the primary pawl 22 and secondary pawl 23 in the direction of rotation, and is arranged to overlap with the rotational trajectories of the primary pawl 22 and secondary pawl 23 when viewed from the direction of rotation. This configuration reduces the size of the latching device 1 in the direction orthogonal to the direction of rotation, specifically in the vertical direction, thus enabling miniaturization of the latching device 1.

[0080] Here, refer to Figure 6 The power transmission system from the electric motor 41 to the opening lever 35 is described. The actuator unit 40, housed in the actuator housing 40H, includes an electric motor 41 that can rotate in both directions and a reduction mechanism that reduces the drive of the electric motor 41 and transmits it to the opening lever 35. The reduction mechanism includes a worm gear 42 disposed on the output shaft 41a of the electric motor 41, a first gear (worm wheel) 43 meshing with the worm gear 42, a second gear 44 integrally disposed on the first gear 43, and a sector gear 47 meshing with the second gear 44. The first gear 43 is rotatably supported on the actuator housing 40H by means of a separate support shaft 43a parallel to the latch shaft 21a. The sector gear 47 is rotatably supported on the actuator housing 40H by means of a cylindrical hub 47a. The hub (output portion) 47a of the sector gear 47 extends toward the base plate 11, and the opening lever 35 is fixed to the front end of the hub 47a. Since the opening lever 35 is fixed to the hub 47a, the sector gear 47 and the opening lever 35 rotate as a unit. The aforementioned reduction mechanism constitutes a power transmission unit that transmits the power of the electric motor 41 to the opening lever 35.

[0081] The actuator unit 40 and actuator housing 40H are positioned so as not to overlap with the latch axis 21a when viewed from the rotation axis direction of the latch 21. With this configuration, sufficient space can be ensured in the rotation axis direction of the latch 21, allowing for the installation of a latch spring 21e with a relatively large force. Therefore, to increase the force applied to the latch 21 to lift the hood FP to the pop-out position, multiple latch springs are not required.

[0082] An open lever detection switch 54 is provided in the actuator housing 40H. This open lever detection switch 54 detects the rotational position of the open lever 35, which rotates integrally with the sector gear 47. The open lever detection switch 54 is pressed by a switch pressing part 47b located near the hub 47a of the sector gear 47, and is in an on or off state in conjunction with the rotation of the sector gear 47.

[0083] Return to Figure 4 and Figure 5 The opening lever 35 has a first pressing lever portion 35a and a second pressing lever portion 35b. The opening lever 35 is configured such that the rotation axis 35c is located between the bent portion 22c of the primary pawl 22 and the bent portion 23c of the secondary pawl 23. The first pressing lever portion 35a extends above the bent portion 22c from the rotation axis 35c, and the second pressing lever portion 35b extends above the bent portion 23c from the rotation axis 35c. In the neutral position of the opening lever 35, neither the first pressing lever portion 35a nor the second pressing lever portion 35b abuts against the bent portions 22c and 23c.

[0084] The bent portion 22c of the primary pawl 22 is located on the rotation trajectory of the first pressing rod portion 35a. When the electric motor 41 rotates from the neutral position in a predetermined first direction, the opening rod 35 moves in the direction that abuts against the bent portion 22c of the primary pawl 22. Figure 4 The primary pawl 22 rotates clockwise (within the clockwise direction), and the bent portion 22c causes the primary pawl 22 to rotate in the direction of disengaging from the latch 21. Meanwhile, the bent portion 23c of the secondary pawl 23 is located on the rotation trajectory of the second pressing lever portion 35b. When the electric motor 41 rotates from the neutral position in the second direction, the opening lever 35 moves in the direction of abutting against the bent portion 23c of the secondary pawl 23. Figure 4 The secondary pawl 23 rotates counterclockwise (in the middle) and rotates in the direction of disengaging from the latch 21 by means of the bent part 23c.

[0085] By forming bends 22c and 23c in the primary pawl 22 and the secondary pawl 23, the primary pawl 22 and the opening lever 35 abut together, and the secondary pawl 23 and the opening lever 35 abut together. That is, the opening lever 35 can be made into a simple shape, and its shape can be prevented from becoming complicated.

[0086] Furthermore, the rotation axis 35c of the opening lever 35 and the secondary axis 23a, which becomes the rotation axis of the secondary pawl 23, are located on approximately the same axis. To explain in detail, the hub 47a of the sector gear 47 and the secondary axis 23a are located on approximately the same axis, and the opening lever 35 is fixed to the front end of the hub 47a such that the rotation axis 35c and the secondary axis 23a are approximately on the same axis. With this structure, regardless of the contact position between the opening lever 35 and the secondary pawl 23, the shaft torque input to the secondary pawl 23 can be set to be equal to the shaft torque output from the opening lever 35. Therefore, the transmission loss of the output from the electric motor 41 to the secondary pawl 23 can be reduced. Furthermore, since the contact position between the opening lever 35 and the secondary pawl 23 remains unchanged during rotation, the working force of the opening lever 35 is transmitted to the secondary pawl 23 without change, enabling stable operation.

[0087] Figure 7 (a)~ Figure 7 (d) is a diagram showing the operation of the latching device 1 when the electric motor 41 rotates in the second direction from the fully closed position of the hood FP. Additionally, in Figure 7 In the middle, the carriage cable connection part 23e of the secondary pawl 23 is omitted from the figure.

[0088] like Figure 7 of (a), Figure 7 As shown in (b), when the electric motor 41 rotates in the second direction from the state where the latch 21 is in the primary locked position, the opening lever 35 rotates in the direction that abuts against the bent portion 23c of the secondary pawl 23, and the secondary pawl 23 rotates in the direction that it disengages from the latch 21. Then, the rotation of the secondary pawl 23 is transmitted to the primary pawl 22 via the connecting rod 26, and the primary pawl 22 rotates until it disengages from the primary engagement portion 21j of the latch 21. As a result, as Figure 7 As shown in (c), the latch 21 is released from engagement with the secondary pawl 23 and the primary pawl 22. Furthermore, the latch 21 rotates to the engaged standby position using the force of the latch spring 21e, releasing the engagement between the striker S and the latch 21. The hood FP is lifted towards the pop-out position, thus allowing the hood FP to move towards the fully open position. After the hood FP reaches the pop-out position, as... Figure 7 As shown in (d), the opening lever 35 returns to the neutral position by being driven by the electric motor 41.

[0089] Figure 7 (a)~ Figure 8(d) illustrates the operation of the latch device 1 by the driving of the electric motor 41, but the operation of the latch device 1 by the manual operation of the emergency handle 33 provided in the vehicle cabin is the same. Specifically, the operation force of the emergency handle 33 is transmitted to the vehicle cabin cable connection portion 23e via the emergency cable 34, and the secondary pawl 23 is rotated in the direction to release the engaged state with the latch 21. According to such a structure, for example, at the time of emergency when the electric motor 41 is not driven due to the rise in the battery temperature or the like, the front hood FP can be moved from the fully closed position to the fully open position by the manual operation of the emergency handle 33. Further, by directly linking the emergency cable 34 to the secondary pawl 23, it is possible to suppress the increase in the number of components.

[0090] Figure 8 (a) to Figure 8 (d) is a view sequentially showing the operation of the latch device 1 when the electric motor 41 is rotated in the first direction from the state in which the front hood FP is in the fully closed position.

[0091] As Figure 8 (a) and Figure 8 (b) show, when the electric motor 41 is rotationally driven in the first direction from the state in which the latch 21 is in the primary lock position, the opening lever 35 is rotated in the direction to abut against the bent portion 22c of the primary pawl 22, and the primary pawl 22 is rotated in the direction to release the engaged state with the latch 21. At this time, the primary pawl 22 is independently rotated with respect to the secondary pawl 23 by the movement of the linking portion 22d of the primary pawl 22 along the long hole 26a of the link lever 26, and thus the secondary pawl 23 is not linked with the rotation of the primary pawl 22, but maintains the engaged state with the latch 21. When the primary pawl 22 is rotated until the engaged state with the primary engagement portion 21j of the latch 21 is released, as shown in Figure 8 (c), the latch 21 is rotated in the releasing direction by the action of the latch spring 21e, and is rotated to the secondary lock position in which the secondary engagement portion 21k of the latch 21 is engaged with the secondary pawl 23. When the latch 21 becomes the secondary lock position, the front hood FP becomes the half-hung position. After the front hood FP becomes the half-hung position, as shown in Figure 8 (d), the opening lever 35 is returned to the neutral position by the driving of the electric motor 41.

[0092] Figure 8 (a) to Figure 9The operation of the latch device 1 by the driving of the electric motor 41 is explained in (d), but the operation of the latch device 1 by the manual operation of the front trunk inner handle 31 provided in the front trunk is the same. Specifically, the operation force of the front trunk inner handle 31 is transmitted to the front trunk cable connecting portion 22e via the front trunk cable 32, and the primary pawl 22 is rotated in the direction to release the engaged state with the latch 21. According to such a structure, for example, at a critical time when a person is locked in the front trunk FT and the electric motor 41 is not driven for the reason of the temperature rise of the battery or the like, the person locked in can manually operate the front trunk inner handle 31 to set the front hood FP to the half-hung position, and can notify the outside of such an abnormal situation. Further, since the front hood FP is not moved to the popped-out position in the operation of the front trunk inner handle 31, it is possible to prevent the condition that the front hood FP becomes the fully-opened position during the running, and it is possible to ensure the safety.

[0093] Next, the control system of the latch device 1 will be explained with reference to Figure 10 The controller 100 is constituted by installing a processing device such as a CPU (Central Processing Unit) or a hardware such as an IC (Integrated Circuit). The controller 100 can be directly mounted on the housing member 10, or can be provided at a position separated from the housing member 10.

[0094] The controller 100 controls the driving of the electric motor 41 according to the program and data stored in the memory in the case where output signals are imparted from the command sending portion 101, the vehicle speed sensor 102, the detection sensor 103, and the like. The controller 100 can be realized by causing a processing device such as a CPU to execute a program, that is, by using software, can be realized by using a hardware such as an IC, or can be realized by using both software and hardware.

[0095] The command sending portion 101 outputs an opening command to the controller 100 at the time of opening the front trunk FT. The command sending portion 101 includes, for example, a FOB (Frequency Operated Button) key 55 under the authority of the vehicle owner or the like, an in-cabin switch 56 provided in the cabin, and a front trunk inner switch 57 provided in the front trunk FT. The in-cabin switch 56 includes, for example, a button provided in the cabin, an icon displayed on a touch panel, and the like. The front trunk inner switch 57 is, for example, a button provided in the front trunk FT. The vehicle speed sensor 102 detects the speed of the vehicle and outputs the detection result to the controller 100. The detection sensor 103 includes the aforementioned latch detection switch 51 and the opening lever detection switch 54.

[0096] The controller 100 determines the control of the electric motor 41 with respect to the opening command output from the command output section 101 based on the state of the vehicle. Specifically, the controller 100 determines whether to rotate-drive the electric motor 41 in the first direction, to rotate-drive the electric motor 41 in the second direction, or to prohibit the rotation-drive of the electric motor 41 based on the state of the vehicle.

[0097] Here, the state of the vehicle includes a first state mainly including a parked state in which the vehicle is parked, and a second state mainly including a running state in which the vehicle is running. The first state can also include a running state at a low speed (for example, running at less than 5 km / h) and a state in which the P (Park) range is selected, in addition to the parked state in which the vehicle is completely parked. The second state can also include a state in which a range other than the P range is selected, in addition to the running state in which the vehicle runs at a predetermined speed or more (for example, 5 km / h or more).

[0098] Figure 11 is a flow of the opening operation of the front hood FP when the vehicle is in the first state (parked state or the like).

[0099] When the opening command is output from the FOB key 55, the in-cabin switch 56, or the front trunk in-switch 57, the controller 100 determines the state of the vehicle, and determines that the vehicle is in the first state (step Sll).

[0100] In the case where the vehicle is in the first state, even if the front hood FP is in the fully open position, safety can be ensured, and therefore the controller 100 rotates-drives the electric motor 41 in the second direction (step S12). The lever 35 is rotated by the drive of the electric motor 41, and therefore the engaged state of the latch 21 and the secondary pawl 23 is released (step S13), and further the engaged state of the latch 21 and the primary pawl 22 is released by the link rod 26 (step S14). Thus, the front hood FP becomes the pop-up position from the fully closed position (step S15), and can be moved to the fully open position.

[0101] In addition, when the emergency handle 33 is operated in the case where the vehicle is in the first state, steps S13 to S15 are entered without the drive of the electric motor 41, and the front hood FP becomes the pop-up position from the fully closed position.

[0102] Figure 12 is a flow of the opening operation of the front hood FP when the vehicle is in the second state (running state or the like).

[0103] When an opening command is output from the FOB key 55 or the in-cabin switch 56, the controller 100 determines the state of the vehicle, and determines that the vehicle is in the second state (step S21). Also, the controller 100 does not rotate the electric motor 41 with respect to the opening command from the FOB key 55 or the in-cabin switch 56 (step S22). That is, the front hood FP does not open during running, and safety can be ensured. In addition, the FOB key 55 and the in-cabin switch 56 can also be configured so as not to be able to output an opening command to the controller 100 in the case where the vehicle is in the second state.

[0104] When an opening command is output from the front trunk in-switch 57, the controller 100 determines the state of the vehicle, and determines that the vehicle is in the second state (step S23). Also, the controller 100 rotates the electric motor 41 in the first direction with respect to the opening command from the front trunk in-switch 57 (step S24). The lever 35 is rotated by the driving of the electric motor 41, and thus only the engaged state of the latch 21 and the primary pawl 22 is released (step S25). Thus, the front hood FP becomes the half-hung position from the fully closed position (step S26).

[0105] For example, in the case where a person is locked in the front trunk FT, if an opening command is input to the front trunk in-switch 57, the front hood FP becomes the half-hung position even if the vehicle is in the second state, and thus an abnormal state can be notified to the outside. Also, since the front hood FP does not become the fully open position, safety during running can be ensured.

[0106] In addition, as described above, the emergency handle 33 is an operation portion provided in a position in the cabin that is not operable in the state where the vehicle is running, and thus the emergency handle 33 is not operable in the case where the vehicle is in the second state. Thus, the front hood FP does not become the fully open position, and safety during running can be ensured.

[0107] Figure 12 is a flow of an opening operation of the front hood FP by the front trunk in-handle 31. Regardless of the state of the vehicle, the operation by the front trunk in-handle 31 is based on ​ the flow.

[0108] In the case where the front trunk in-handle 31 is operated, the operation force is transmitted to the primary pawl 22 via the front trunk cable 32, and only the engaged state of the latch 21 and the primary pawl 22 is released (step S31). Thus, the front hood FP becomes the half-hung position from the fully closed position (step S32).

[0109] For example, in a case where a person is locked in the front trunk FT, if the front trunk cable 32 is operated, the front hood FP becomes the half-hung position, so that an abnormal state can be notified to the outside, and since the front hood FP does not become the fully open position, safety can be ensured in a case where the vehicle is running.

[0110] As explained above, since the opening lever 35 can release only the engagement state of the latch 21 with the primary pawl 22, or both the engagement state of the latch 21 with the primary pawl 22 and the engagement state of the latch 21 with the secondary pawl 23, in accordance with the rotation direction of the electric motor 41, with the latch device 1 of the present embodiment, the opening control of the front hood FP can be changed in accordance with the state of the vehicle (the aforementioned running state, the parked state).

[0111] For example, even when the opening instruction to open the front hood FP is given while the vehicle is running, as long as the rotation of the electric motor 41 is limited to only the first direction, it is possible to prevent the front hood FP from becoming the fully open position by chance while the vehicle is running, and safety can be ensured. Further, for example, in a case where it is not a problem even if the front hood FP becomes the fully open position like when the vehicle is parked, by rotating the electric motor 41 in the second direction, it is possible to release both the engagement state of the latch 21 with the primary pawl 22 and the engagement state of the latch 21 with the secondary pawl 23 at once. That is, by the less operation of rotating the electric motor 41 in the second direction, it is possible to move the front hood FP from the fully closed position to the fully open position. Thus, safety at the time of the opening operation of the front hood FP can be ensured and convenience can be improved.

[0112] The above describes one embodiment of the present application with reference to the drawings, but it is self-evident that the present application is not limited to this embodiment. It is clear that those skilled in the art can think of various modifications or changes within the scope recited in the claims, and it is understood that these modifications and changes naturally belong to the scope of protection of the present application. In addition, each of the components of the above-described embodiments can be arbitrarily combined within the scope of the gist of the present application.

[0113] In the present specification, at least the following matters are described. In the brackets, corresponding components and the like in the above-described embodiments are shown as an example, but are not limited thereto.

[0114] (1) A latch device (latch device 1) for a front hood, which is provided so as to be engageable with a striker (striker S) provided in a front hood (front hood FP) of a vehicle, and performs opening and closing control of the front hood, in which,

[0115] The latch device for a front hood includes:

[0116] a latch (latch 21) which engages with the striker in a state where the front hood is closed, and which is forced by a force applying member (latch spring 21e) in a direction in which engagement with the striker is released;

[0117] a primary pawl (primary pawl 22) which, in a case where the latch engaged with the striker is disposed in a predetermined primary lock-up position, maintains the front hood in a fully closed position by engaging with the latch;

[0118] a secondary pawl (secondary pawl 23) which, in a case where the latch in which engagement with the primary pawl is released is disposed in a predetermined secondary lock-up position, maintains the front hood in a half hanging position by engaging with the latch;

[0119] a motor (electric motor 41) which can rotate in both directions;

[0120] a release mechanism (opening lever 35) which is actuated by driving of the motor, and which can release the engagement state of the latch with the primary pawl and the engagement state of the latch with the secondary pawl,

[0121] the release mechanism releases the engagement state of the latch with the primary pawl by rotation of the motor in a first direction, and causes the front hood to move from the fully closed position to the half hanging position,

[0122] by rotation of the motor in a second direction opposite to the first direction, the engagement state of the latch with the primary pawl and the engagement state of the latch with the secondary pawl are released, and the front hood can be moved from the fully closed position to a fully open position.

[0123] According to (1), since the release mechanism can release the engagement state of the latch with the primary pawl, or both the engagement state of the latch with the primary pawl and the engagement state of the latch with the secondary pawl, in correspondence with the direction of rotation of the motor, the opening control of the front hood can be changed in correspondence with the state of the vehicle (driving state, parking state). Therefore, for example, even if the opening instruction of the front hood is given while the vehicle is driving, as long as the rotation of the motor is limited to only the first direction, it is possible to prevent the front hood from becoming the fully open position by chance while driving, and it is possible to ensure safety. Further, for example, in a case where it is not a problem even if the front hood becomes the fully open position, like when the vehicle is parked, by causing the motor to rotate in the second direction opposite to the first direction, it is possible to release both the engagement state of the latch with the primary pawl and the engagement state of the latch with the secondary pawl at once. That is, by using such a small operation of causing the motor to rotate in the second direction, it is possible to move the front hood from the fully closed position to the fully open position. Thus, it is possible to ensure safety and improve convenience at the time of opening operation of the front hood.

[0124] (2) The latch device for a front hood according to (1), wherein

[0125] The latch device for a front hood further includes a link member (link rod 26) that links the primary pawl and the secondary pawl,

[0126] The link member is configured to maintain the engaged state of the secondary pawl with the latch in a case where the primary pawl is operated in a direction to release the engaged state of the primary pawl with the latch, and to link the primary pawl to the direction to release the engaged state of the primary pawl with the latch in a case where the secondary pawl is operated in a direction to release the engaged state of the secondary pawl with the latch.

[0127] According to (2), the link member enables the motor to be rotated in the first direction to release the engaged state of the latch with the primary pawl, and to be rotated in the second direction to release both the engaged state of the latch with the primary pawl and the engaged state of the latch with the secondary pawl at one time.

[0128] (3) The latch device for a front hood according to (2), wherein

[0129] The release mechanism includes a rod (opening rod 35) that is rotatable in a direction to engage with the primary pawl by rotation of the motor in the first direction, and is rotatable in a direction to engage with the secondary pawl by rotation of the motor in the second direction,

[0130] The rod rotates the primary pawl independently of the secondary pawl with respect to the secondary pawl by rotation of the motor in the first direction, releases the engaged state of the latch with the primary pawl, and maintains the engaged state of the secondary pawl with the latch,

[0131] The secondary pawl and the primary pawl linked to the rotation of the secondary pawl are rotated by rotation of the motor in the second direction, releasing the engaged state of the latch with the primary pawl and the engaged state of the latch with the secondary pawl.

[0132] According to (3), the rod can be used to rotate each pawl, and thus the space efficiency in the latch device is improved, and the configuration can be simplified.

[0133] (4) The latch device for a front hood according to (3), wherein

[0134] The rod is disposed at a position overlapping the rotation tracks of the primary pawl and the secondary pawl when viewed in the direction of the rotation axis of the rod,

[0135] The primary pawl and the secondary pawl each have a bent portion (bent portions 22c, 23c) bent in the direction of the rotation axis and disposed on the rotation locus of the lever.

[0136] According to (4), the lever is disposed at a position overlapping the rotation locus of each pawl when viewed in the direction of the rotation axis, so the dimension in the direction orthogonal to the direction of the rotation axis is reduced, and miniaturization can be achieved. Further, by using the bent portion formed in each pawl to achieve abutment of each pawl with the lever, it is possible to prevent the shape of the lever from becoming complicated.

[0137] (5) The latch device for a front hood according to (3) or (4), wherein

[0138] The lever is disposed at a position overlapping the rotation loci of the primary pawl and the secondary pawl when viewed in the direction of the rotation axis of the lever,

[0139] The rotation axis (rotation axis 35c) of the lever and the rotation axis (secondary axis 23a) of the secondary pawl are on substantially the same axis.

[0140] According to (5), the lever is disposed at a position overlapping the rotation locus of each pawl when viewed in the direction of the rotation axis, so the dimension in the direction orthogonal to the direction of the rotation axis is reduced, and miniaturization can be achieved. Further, since the rotation axis of the lever and the rotation axis of the secondary pawl are on substantially the same axis, the shaft torque input to the secondary pawl and the shaft torque output from the lever are equal regardless of the abutment position of the lever and the secondary pawl. Therefore, it is possible to reduce the transmission loss of the motor output to the secondary pawl. Further, since the rotation axis of the lever and the rotation axis of the secondary pawl are on substantially the same axis, the abutment position of the lever and the secondary pawl does not change when rotating. Therefore, the working force of the lever is transmitted to the secondary pawl without changing when rotating, and stable operation can be achieved.

[0141] (6) The latch device for a front hood according to any one of (3) to (5), wherein

[0142] An actuator unit (actuator unit 40) including the motor and a power transmission portion that transmits the power of the motor to the lever is disposed at a position not overlapping the rotation axis (latch axis 21a) of the latch when viewed in the direction of the rotation axis of the latch.

[0143] According to (6), a sufficient space in the direction of the rotation axis of the latch can be ensured, so a force-imparting member that imparts a relatively large force can be provided in this space.

[0144] (7) The latch device for a front hood according to any one of (2) to (6), wherein

[0145] A first operation transmission portion (emergency cable 34) that transmits an operation force manually input from a first operation portion (emergency handle 33) provided to the vehicle cabin is linked to the secondary pawl.

[0146] According to (7), even at the time of emergency when the motor is not driven for the reason of battery temperature rise or the like, the secondary pawl can be caused to act by manually operating the first operation portion of the vehicle cabin, the engaged state of the latch with the primary pawl and the engaged state of the latch with the secondary pawl are released, and the front hood can be moved from the fully closed position to the fully open position. Further, by directly linking the first operation transmission portion to the secondary pawl, an increase in the number of components can be suppressed.

[0147] (8) The latch device for a front hood according to any one of (2) to (7), wherein

[0148] A second operation transmission portion (front trunk cable 32) that transmits an operation force manually input from a second operation portion (front trunk inner handle 31) provided inside a front trunk (front trunk FT) covered by the front hood is linked to the primary pawl.

[0149] According to (8), by manually operating the second operation portion inside the front trunk, the primary pawl can be caused to act, and the engaged state of the latch with the primary pawl can be released to make the front hood become the half-hung position from the fully closed position. Therefore, even at the time of emergency when a person is locked inside the front trunk and the motor is not driven for the reason of battery temperature rise or the like, the abnormal situation can be reported to the outside. Further, even if the second operation portion is operated, the front hood remains in the half-hung position, and thus a situation in which the front hood becomes the fully open position during traveling can be prevented, and safety can be ensured.

[0150] (9) The latch device for a front hood according to any one of (1) to (8), wherein

[0151] The latch device for a front hood further includes a controller (controller 100) that controls rotation drive of the motor,

[0152] In a case where an electric operation portion (front trunk inner switch 57) provided inside a front trunk (front trunk FT) covered by the front hood is input and it is determined that the vehicle is in a predetermined state (second state), the controller rotates the motor in the first direction,

[0153] The predetermined state includes at least one of a state in which the vehicle travels at a speed equal to or higher than a predetermined speed and a state in which a gear other than a parking gear is selected.

[0154] According to (9), in a case where the vehicle is in a running or drivable state, the motor is caused to rotate in the first direction in correspondence with input to the electrically operated portion in the front trunk, the front hood is brought to the semi-hitch position, and thus it is possible to notify the outside of an abnormal situation in which a person is trapped in the front trunk and to ensure safety by preventing the front hood from being brought to the fully open position.

Claims

1. A latch device for a front hood of a vehicle, which is provided so as to be engageable with a striker provided at a front hood of a vehicle, and which performs opening and closing control of the front hood, characterized by comprising: a latch which is engaged with the striker in a state in which the front hood is closed, and which is urged by an urging member in a direction in which engagement with the striker is released; a primary pawl which, in a case in which the latch engaged with the striker is disposed at a predetermined primary lock-up position, maintains the front hood at a fully closed position by engaging with the latch; a secondary pawl which, in a case in which the latch in which engagement with the primary pawl is released is disposed at a predetermined secondary lock-up position, maintains the front hood at a half-hanging position by engaging with the latch; a motor which is rotatable in both directions; and a release mechanism which, by driving of the motor, is capable of releasing an engaged state of the latch with the primary pawl and an engaged state of the latch with the secondary pawl, the release mechanism, by rotation of the motor in a first direction, releases the engaged state of the latch with the primary pawl, and causes the front hood to move from the fully closed position to the half-hanging position, and by rotation of the motor in a second direction opposite to the first direction, releases the engaged state of the latch with the primary pawl and the engaged state of the latch with the secondary pawl, and is capable of causing the front hood to move from the fully closed position to a fully open position.

2. The latch device for a front hood of a vehicle according to claim 1, characterized by further comprising a link member which links the primary pawl and the secondary pawl, the link member being disposed so as to maintain an engaged state of the secondary pawl with the latch in a case in which the primary pawl is caused to act in a direction in which an engaged state of the primary pawl with the latch is released, and to cause the primary pawl to act in a direction in which an engaged state of the primary pawl with the latch is released in a case in which the secondary pawl is caused to act in a direction in which an engaged state of the secondary pawl with the latch is released.

3. The latch device for a front hood of a vehicle according to claim 2, characterized in that the release mechanism includes a lever which, by rotation of the motor in the first direction, is rotatable in a direction in which the primary pawl is engaged, and, by rotation of the motor in the second direction, is rotatable in a direction in which the secondary pawl is engaged, the lever, by rotation of the motor in the first direction, causes the primary pawl to rotate independently with respect to the secondary pawl, releases the engaged state of the latch with the primary pawl, and maintains the engaged state of the secondary pawl with the latch, and, by rotation of the motor in the second direction, causes the secondary pawl and the primary pawl which rotates in conjunction with the secondary pawl to rotate, releases the engaged state of the latch with the primary pawl and the engaged state of the latch with the secondary pawl.

4. The latch device for a front hood of a vehicle according to claim 3, characterized in that the lever is disposed, as viewed from a direction of an axis of rotation of the lever, at a position at which a rotation track of the primary pawl and a rotation track of the secondary pawl overlap. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The primary pawl and the secondary pawl each have a bent portion bent in the direction of the rotation axis of the lever, and are disposed on the rotation track of the lever.

5. The latch device for a front hood according to claim 3, characterized in that, the lever is disposed at a position overlapping the rotation tracks of the primary pawl and the secondary pawl when viewed in the direction of the rotation axis of the lever, the rotation axis of the lever and the rotation axis of the secondary pawl are located on substantially the same axis.

6. The latch device for a front hood according to claim 3, characterized in that, an actuator unit including the motor and a power transmission portion that transmits the power of the motor to the lever is disposed at a position not overlapping the rotation axis of the latch when viewed in the direction of the rotation axis of the latch.

7. The latch device for a front hood according to any one of claims 2 to 6, characterized in that, the secondary pawl is linked to a first operation transmission portion that transmits an operation force manually input from a first operation portion provided in a passenger compartment.

8. The latch device for a front hood according to any one of claims 2 to 6, characterized in that, the primary pawl is linked to a second operation transmission portion that transmits an operation force manually input from a second operation portion provided in a front trunk covered by the front hood.

9. The latch device for a front hood according to any one of claims 1 to 6, characterized in that, the latch device for a front hood further includes a controller that controls the rotational drive of the motor, in a case where an electric operation portion provided in a front trunk covered by the front hood is input and it is determined that the vehicle is in a predetermined state, the controller rotates the motor in the first direction, the predetermined state includes at least one of a state in which the vehicle travels at a speed equal to or higher than a predetermined speed and a state in which a gear other than a parking gear is selected.

Images