Pop-up hood device, actuator, and base member

Abstract

This pop-up hood device is mounted on a mobile body and comprises: an actuator that lifts a hood panel of the mobile body; and a base member that is provided on the mobile body and to which the actuator is attached. The actuator has at least one engagement claw. The base member has at least one engagement portion that can engage with the engagement claw.

Description

Pop-up hood device, actuator, and base member CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority to Japanese Patent Application No. 2024-072364, filed on April 26, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present disclosure relates to a pop-up hood device, an actuator, and a base member.

[0003] A pop-up hood device is known that, when a collision between a vehicle and a pedestrian is detected or predicted, reduces the impact on the pedestrian by lifting the vehicle's hood panel. As disclosed in Patent Document 1, for example, the actuator that lifts the hood panel is fixed to a mounting location using bolts and nuts.

[0004] Japanese Patent Application Laid-Open No. 2018-100687

[0005] However, fixing with bolts and nuts requires time and effort, and the increased number of parts increases manufacturing costs.

[0006] The present disclosure can be realized in the following forms.

[0007] (1) According to one aspect of the present disclosure, a pop-up hood device mounted on a movable body is provided. The pop-up hood device includes an actuator that lifts a hood panel of the movable body and a base member provided on the movable body to which the actuator is attached, the actuator having at least one engaging claw, and the base member having at least one engaging portion engageable with the engaging claw. According to this aspect of the pop-up hood device, the actuator has the engaging claw and the base member has the engaging portion engageable with the engaging claw, so that the actuator can be attached to the base member by engaging the engaging claw with the engaging portion. This allows the actuator to be attached to the base member more easily than in a configuration in which the actuator is attached to the base member with bolts and nuts. Furthermore, since bolts and nuts are not required for attachment, manufacturing costs can be reduced. (2) In the pop-up hood device of the above aspect, the engaging claw may extend in a second direction that intersects a first direction in which the hood panel is lifted by activation of the actuator. In this configuration, the engagement claw extends in a second direction that intersects with the first direction, which is the direction in which the hood panel is lifted by activation of the actuator. This configuration, compared to a configuration in which the engagement claw extends in the first direction, can prevent the actuator from coming off the base member due to the load generated when the actuator is activated. (3) In the pop-up hood device of the above configuration, the base member may have a main body portion on which the engagement portion is provided and a support portion protruding from the main body portion that receives the load generated when the actuator is activated. In this configuration, the base member has a support portion that receives the load generated when the actuator is activated. This reduces the load applied to the engagement claw compared to a configuration in which the base member does not have a support portion. This prevents the engagement claw from breaking and the actuator from coming off the base member when the actuator is activated. (4) In the pop-up hood device of the above configuration, the length of the support portion in the first direction may be shorter on the side farther from the main body portion than on the side closer to the main body portion.According to the pop-up hood device of this aspect, the length of the support part in the first direction is shorter on the side farther from the main body than on the side closer to the main body, and therefore the weight of the support part can be reduced while maintaining the strength of the support part, compared to a configuration in which the length of the support part in the first direction is uniform. (5) In the pop-up hood device of the above aspect, the engagement claws may include two first engagement claws arranged along a third direction that is a direction intersecting the first direction and the second direction, and one second engagement claw arranged at a distance from the first engagement claws in the first direction, and the engagement parts may include two first engagement parts engageable with the first engagement claws, respectively, arranged along the third direction, and one second engagement part engageable with the second engagement claw and arranged at a distance from the first engagement part in the first direction. According to this aspect of the pop-up hood device, the engagement claws include two first engagement claws arranged along the third direction and one second engagement claw arranged at a distance from the first engagement claws in the first direction, and the engagement portions include two first engagement portions engageable with the first engagement claws and arranged along the third direction, and one second engagement portion engageable with the second engagement claw and arranged at a distance from the first engagement portion in the first direction. This allows the actuator to be attached to the base member more securely than in a configuration in which the engagement claws are arranged in only one of the first and third directions. Furthermore, rattle in the third direction can be reduced compared to a configuration in which only one first engagement claw is provided. (6) In the pop-up hood device of the above aspect, the two first engagement claws may clamp the base member along the third direction when the actuator is attached to the base member, and the two first engagement claws and the second engagement claw may clamp the base member along the first direction when the actuator is attached to the base member. According to this form of pop-up hood device, when the actuator is attached to the base member, the two first engaging claws clamp the base member along the third direction, and when the actuator is attached to the base member, the two first engaging claws and the second engaging claws clamp the base member along the first direction, thereby preventing the actuator from rattling in the first and third directions.

[0008] The present disclosure may be realized in various forms, for example, in the form of an actuator, a base member, a moving body equipped with a pop-up hood device, or the like.

[0009] FIG. 1 is a schematic diagram showing a vehicle equipped with a pop-up hood device according to an embodiment of the present disclosure. FIG. 2 is a perspective view showing the exterior shape of the actuator. FIG. 3 is a perspective view showing the exterior shape of the actuator main body. FIG. 4 is a perspective view showing the exterior shape of the actuator main body from an angle different from that of FIG. 6. FIG. 6 is a perspective view showing the exterior shape of the bracket. FIG. 7 is a perspective view showing the exterior shape of the bracket from an angle different from that of FIG. 6. FIG. 8 is an explanatory diagram showing an assembly procedure for the actuator main body, the lever portion, the clamp portion, the bracket, and the fixing pin. FIG. 9 is a perspective view showing the exterior shape of the base member. FIG. 10 is a diagram for explaining the attachment of the actuator to the base member. FIG. 11 is a diagram showing the base member to which the actuator is attached, as seen from the front. FIG. 12 is a diagram for explaining the engagement between the engagement claw and the engagement portion.

[0010] A. Embodiments: A1. Overall Configuration of Pop-Up Hood Device 100: FIG. 1 is a schematic diagram showing a vehicle 400 equipped with a pop-up hood device 100 according to one embodiment of the present disclosure. The vehicle 400 may be, for example, a vehicle equipped with an engine, a hybrid vehicle (HEV), a plug-in hybrid vehicle (PHEV), an electric vehicle (BEV), or a fuel cell vehicle (FCV). The pop-up hood device 100 reduces impact on the pedestrian by lifting a hood panel 410 when a sensor mounted on the vehicle 400 detects or predicts a collision with a pedestrian. FIG. 1 shows a state in which the pop-up hood device 100 has been activated and the hood panel 410 has been lifted. Note that FIG. 2 and subsequent figures show a state in which the pop-up hood device 100 is not activated. The pop-up hood device 100 is disposed in the front of an engine compartment 420 of the vehicle 400.

[0011] In this disclosure, the direction along the traveling direction of vehicle 400 is referred to as the "front-rear direction." Furthermore, the vertical direction as seen by the driver in vehicle 400 is referred to as the "up-down direction." Furthermore, the direction along the left-right direction (width direction) of vehicle 400 is referred to as the "left-right direction." The "front-rear direction," "up-down direction," and "left-right direction" are directions that intersect with each other. In this disclosure, the "up-down direction" is also referred to as the "first direction," the "front-rear direction" as the "second direction," and the "left-right direction" as the "third direction."

[0012] The pop-up hood device 100 includes an actuator 200 and a base member 300 .

[0013] A2. Configuration of the actuator 200: Fig. 2 is a perspective view showing the external shape of the actuator 200. Fig. 3 is a perspective view showing the external shape of the actuator 200 as viewed from an angle different from that of Fig. 2.

[0014] As shown in FIGS. 2 and 3, the actuator 200 includes an actuator body 210 , a lever portion 225 , a clamp portion 240 , a bracket 250 , and a fixing pin 290 .

[0015] (Configuration of Actuator Body 210) Fig. 4 is a perspective view showing the external shape of the actuator body 210. Fig. 5 is a perspective view showing the external shape of the actuator body 210 as viewed from an angle different from that of Fig. 4.

[0016] The cylinder portion 215 has a cylindrical external shape. The cylinder portion 215 is manufactured by, for example, injection molding a metal or a resin. The interior of the cylinder portion 215 is hollow. The cylinder portion 215 moves upward when pushed by gas generated by a gas generator (described later).

[0017] The pipe portion 220 has a cylindrical external shape. The pipe portion 220 is manufactured by, for example, injection molding a metal or a resin. The outer diameter of the pipe portion 220 is smaller than the outer diameter of the cylinder portion 215. The upper side of the pipe portion 220 is housed in the cylinder portion 215. A gas generator (not shown) is provided at the upper end of the pipe portion 220. The gas generator receives an electrical signal and sprays gas. An elliptical first through-hole 221 is provided at the lower side of the pipe portion 220 along the left-right direction. The function of the first through-hole 221 will be described later. An alignment portion 222 that protrudes forward is provided at the lower end of the pipe portion 220. The alignment portion 222 is used as a mark for alignment when the actuator body 210 is attached to the bracket 250.

[0018] (Configuration of Lever Portion 225) The lever portion 225 rotates when the actuator body 210 is actuated, and pulls a cable (not shown) to release the hood lock. The lever portion 225 includes a lever body 226, a spring-loaded nut 227, and a bolt 230.

[0019] The lever body 226 has an elongated hole 228. A cable (not shown) is passed through the elongated hole 228. One end of the cable is connected to a hood lock (not shown), and the other end of the cable is fixed near the elongated hole 228. The lever body 226 has a contact portion 229 that protrudes toward the cylinder portion 215. The contact portion 229 is in contact with a push-up portion 241 of a clamp portion 240 (described below). When the gas generator is activated and the cylinder portion 215 moves upward, the clamp portion 240 also moves upward at the same time. At this time, the push-up portion 241 presses the contact portion 229, causing the lever body 226 to rotate from left to right. This rotation pulls the fixed cable, thereby releasing the hood lock.

[0020] The spring nut 227 fixes and biases the lever body 226. The spring nut 227 is a nut with a spring attached to its outer periphery. The spring nut 227 fixes the lever body 226 to a bracket 250 (described later) by screwing onto the bolt 230. The spring of the spring nut 227 is in contact with the bracket 250. It biases the lever body 226 in a rotational direction from right to left.

[0021] (Configuration of clamp portion 240) The clamp portion 240 is provided so as to cover the outer periphery of the cylinder portion 215. The clamp portion 240 has a push-up portion 241 that protrudes radially outward from the cylinder portion 215. The push-up portion 241 contacts the contact portion 229 of the lever main body 226 described above.

[0022] (Configuration of bracket 250) Fig. 6 is a perspective view showing the external shape of bracket 250. Fig. 7 is a perspective view showing the external shape of bracket 250 viewed from an angle different from that of Fig. 6. Bracket 250 houses actuator body 210 and fixes it to base member 300. Bracket 250 is manufactured by injection molding of resin or metal, for example. As shown in Figs. 6 and 7, bracket 250 includes a first housing portion 251, a second housing portion 252, a cable guide portion 255, a lever attachment portion 260, and a claw portion 270.

[0023] The first housing portion 251 houses the pipe portion 220 of the actuator main body 210. The first housing portion 251 has a cylindrical external shape. An elliptical second through hole 253 is provided in the first housing portion 251 along the left-right direction. The actuator main body 210 is housed in the bracket 250 so that the first through hole 221 of the pipe portion 220 shown in Figures 4 and 5 and the second through hole 253 of the first housing portion 251 shown in Figures 6 and 7 overlap.

[0024] The second housing portion 252 houses the lower part of the cylinder portion 215 of the actuator 200. The second housing portion 252 has a cylindrical external shape that opens forward. When viewed from above, the second housing portion 252 can also be said to have a C-shaped external shape. The diameter of the second housing portion 252 is larger than the diameter of the first housing portion 251.

[0025] The cable guide portion 255 prevents the cable from shifting out of position. The cable guide portion 255 is provided so as to rise from a portion of the outer peripheral surface of the second housing portion 252 that is located on the rear side. The upper side of the cable guide portion 255 is curved toward the left. A guide opening 256 is provided at the upper tip of the cable guide portion 255. The guide opening 256 is a C-shaped opening into which a cable (not shown) is fitted.

[0026] The lever body 226 is attached to the lever attachment portion 260. The lever attachment portion 260 is provided so as to rise from a portion of the outer circumferential surface of the second housing portion 252 that is located on the right side. A bolt hole 261 is provided on the upper side of the lever attachment portion 260. With the lever body 226, the lever attachment portion 260, and the spring nut 227 stacked in this order, the bolt 230 is inserted into the bolt hole 261 and the bolt 230 and the spring nut 227 are screwed together, thereby attaching the lever body 226 to the lever attachment portion 260.

[0027] The claw portion 270 engages the actuator body 210 with the base member 300. The claw portion 270 includes a claw support portion 271 and an engaging claw 280.

[0028] The claw support portion 271 has a U-shaped appearance when viewed from the front. The opening of the second accommodating portion 252 and the opening of the claw support portion 271 are continuous with each other.

[0029] The engagement claws 280 are engageable with engagement portions 310 (described later) of the base member 300. The engagement claws 280 are flexible. A recess 285 (described later) is provided on the tip side of the engagement claws 280. The engagement claws 280 include two first engagement claws 281 and one second engagement claw 282.

[0030] The first engagement claws 281 extend forward from the upper end of the claw support portion 271. The two first engagement claws 281 are arranged at a distance from each other in the left-right direction. The tips of the two first engagement claws 281 are bent so as to approach each other. The first engagement claws 281 engage with first engagement portions 311 of the base member 300, which will be described later.

[0031] The second engagement claw 282 protrudes forward from the center in the left-right direction at the lower end of the claw support portion 271. The second engagement claw 282 is arranged below and spaced apart from the first engagement claws 281. The second engagement claw 282 is also arranged between the two first engagement claws 281 in the left-right direction. The tip of the second engagement claw 282 is bent upward. The second engagement claw 282 engages with a second engagement portion 312 of the base member 300, which will be described later.

[0032] 2 and 3, the fixing pin 290 fixes the actuator body 210 and the bracket 250 together. Specifically, the fixing pin 290 is inserted through the first through-hole 221 of the pipe section 220 shown in Figures 4 and 5 and the second through-hole 253 of the first accommodating section 251 shown in Figures 6 and 7, thereby fixing the actuator body 210 and the bracket 250 together. The fixing pin 290 has a rod-like external shape with an elliptical cross section.

[0033] (Assembly of the Actuator Body 210, Lever 225, Clamp 240, Bracket 250, and Fixing Pin 290) FIG. 8 is an explanatory diagram showing the assembly procedure of the actuator body 210, lever 225, clamp 240, bracket 250, and fixing pin 290. FIG. 8 shows the assembly procedure in chronological order from left to right on the page. First, the bracket 250 is prepared as shown on the left edge of FIG. 8. Next, the lever 225 is attached to the bracket 250. At this time, the tip of the spring of the spring-loaded nut 227 is adjusted so that it faces downward and the spring is in contact with the upper edge of the second accommodating portion 252. Next, the actuator body 210 with the clamp 240 attached is attached to the bracket 250. At this time, the position of the actuator body 210 is adjusted using the alignment portion 222 shown in FIGS. 4 and 5. Also, adjustment is made so that the contact portion 229 of the lever body 226 comes into contact with the push-up portion 241 of the clamp portion 240. Finally, as shown in Figure 8, the fixing pin 290 is inserted so as to pass through the first through-hole 221 and the second through-hole 253.

[0034] A3. Configuration of base member 300: Figure 9 is a perspective view showing the exterior shape of base member 300. Base member 300 is manufactured by injection molding of metal or resin. In this embodiment, base member 300 is a vertical frame of a radiator support that constitutes part of the frame of vehicle 400. Figure 9 shows only the portion of the radiator support to which actuator 200 is attached, and other portions are omitted. Base member 300 includes a main body portion 305 and a support portion 320.

[0035] (Configuration of main body portion 305) The main body portion 305 is part of the vertical frame of the radiator support. The main body portion 305 has an engagement portion 310. The engagement portion 310 is a through-hole that penetrates the main body portion 305 in the front-rear direction and the surrounding area. The engagement portion 310 engages with the engagement claws 280 of the bracket 250 shown in Figures 2, 3, 6, and 7. As shown in Figure 9, the engagement portion 310 includes two first engagement portions 311 and one second engagement portion 312.

[0036] The first engagement portion 311 is a slot that is long in the vertical direction and the surrounding area. Two first engagement portions 311 are arranged in the left-right direction. Each of the two first engagement portions 311 engages with the first engagement claw 281 of the bracket 250 shown in Figures 2, 3, 6, and 7.

[0037] The second engagement portion 312 shown in Fig. 9 is a long hole that is long in the left-right direction and the surrounding area. The second engagement portion 312 is arranged below and spaced apart from the first engagement portion 311. The second engagement portion 312 is also arranged between the two first engagement portions 311 in the left-right direction. The second engagement portion 312 engages with the second engagement claw 282 of the bracket 250 shown in Figs. 2, 3, 6, and 7.

[0038] (Configuration of support portion 320) The support portion 320 receives the downward load generated when the actuator 200 is activated. The support portion 320 is a rib that protrudes rearward from the main body portion 305. The support portion 320 has a trapezoidal external shape when viewed left and right. The length of the support portion 320 in the up and down direction is shorter on the side farther from the main body portion 305 than on the side closer to the main body portion 305 when viewed left and right. The upper surface 321 of the support portion 320 is a flat surface that extends along the left and right and the front and rear directions. The lower surface 322 of the support portion 320 is inclined from bottom to top along the side closer to the main body portion 305 to the side farther from the main body portion 305.

[0039] (Attaching the actuator 200 to the base member 300) Figure 10 is a diagram for explaining the attachment of the actuator 200 to the base member 300. Figure 10 shows the attachment procedure in chronological order from left to right on the page. As shown in Figure 10, the actuator 200 is attached to the base member 300 so that the positions of the first engagement claw 281 and the first engagement portion 311 match with the positions of the second engagement claw 282 and the second engagement portion 312. When the actuator 200 is attached to the base member 300, the lower surface of the pipe portion 220 and the upper surface 321 of the support portion 320 are in contact with each other.

[0040] Figure 11 is a front view of the base member 300 to which the actuator 200 is attached. As shown in Figure 11, the first engagement claws 281 are in contact with the inner surface of the opening of the first engagement portion 311, which is located toward the center in the left-right direction of the main body portion 305. That is, in the attached state, the two first engagement portions 311 hold the base member 300 in between along the left-right direction. Note that the "attached state" refers to a state in which the actuator 200 is attached to the base member 300 by the engagement claws 280 of the actuator 200 engaging with the engagement portions 310 of the base member 300.

[0041] Additionally, the lower inner surface of the opening of the first engagement portion 311 is in contact with the first engagement claw 281. The upper inner surface of the opening of the second engagement portion 312 is in contact with the second engagement claw 282. That is, in the attached state, the two first engagement portions 311 and one second engagement portion 312 sandwich the base member 300 in the vertical direction.

[0042] (Engagement of Engagement Claw 280 and Engagement Portion 310) FIG. 12 is a diagram illustrating the engagement between the engagement claw 280 and the engagement portion 310. FIG. 12 is a diagram illustrating a cross section of the first engagement claw 281 and the first engagement portion 311 in the left-right direction as viewed from above. In FIG. 12, the states before, during, and after engagement are shown in chronological order from top to bottom of the page. Note that, for convenience of illustration, the second engagement claw 282 is omitted from the illustration of the engaged state. Below, the engagement between the first engagement claw 281 and the first engagement portion 311 will be described. The engagement between the second engagement claw 282 and the second engagement portion 312 is similar to the engagement between the first engagement claw 281 and the first engagement portion 311 except for the direction of engagement and the number of claws, and therefore, description thereof will be omitted.

[0043] 12, a recess 285 is provided in the tip 284 of the first engagement claw 281. The recess 285 is a groove that extends in the vertical direction. The recess 285 engages with the main body 305 in the vicinity of the first engagement portion 311. The engagement by the recess 285 will be described below.

[0044] As shown in the upper part of Fig. 12 , the actuator 200 and the base member 300 are brought closer together. Next, as shown in the middle part of Fig. 12 , the two first engagement claws 281 are inserted into the openings of the first engagement portions 311 while applying force in directions that move them away from each other. As shown in the lower part of Fig. 12 , the applied force is released, and the recesses 285 and the main body portion 305 are engaged. At this time, of the main body portion 305 that forms the opening of the first engagement portions 311, the edge 286 on the left-right center and front side enters the recesses 285. This engagement of the recesses 285 suppresses back-and-forth rattling between the actuator 200 and the base member 300.

[0045] According to the pop-up hood device 100 of the embodiment described above, the actuator 200 has the engaging claw 280, and the base member 300 has the engaging portion 310 that can engage with the engaging claw 280, so that the actuator 200 can be attached to the base member 300 by engaging the engaging claw 280 with the engaging portion 310. This makes it easier to attach the actuator 200 to the base member 300 than in a configuration in which the actuator 200 is attached to the base member 300 with bolts and nuts. Furthermore, because bolts and nuts are not required for attachment, manufacturing costs can be reduced.

[0046] Furthermore, the engaging claws 280 extend in the front-to-back direction, which is a direction that intersects with the up-to-down direction, which is the direction in which the hood panel 410 is lifted by the operation of the actuator 200. Therefore, compared to a configuration in which the engaging claws 280 extend in the up-to-down direction, the load generated when the actuator 200 is operated can be prevented from causing the actuator 200 to come off the base member 300.

[0047] Furthermore, since the base member 300 has the support portion 320 that receives the load generated when the actuator 200 is activated, the load applied to the engaging claw 280 can be reduced compared to a configuration in which the base member 300 does not have the support portion 320. This makes it possible to prevent the engaging claw 280 from being damaged when the actuator 200 is activated, and to prevent the actuator 200 from coming off the base member 300.

[0048] Furthermore, since the vertical length of the support part 320 is shorter on the side farther from the main body part 305 than on the side closer to the main body part 305, the weight of the support part 320 can be reduced while maintaining the strength of the support part 320 compared to a configuration in which the vertical length of the support part 320 is uniform.

[0049] Furthermore, the engagement claws 280 include two first engagement claws 281 arranged in the left-right direction and one second engagement claw 282 arranged at a distance from the first engagement claws 281 in the up-down direction, and the engagement portion 310 includes two first engagement portions 311 that are engageable with the first engagement claws 281 respectively and arranged in the left-right direction, and one second engagement portion 312 that is engageable with the second engagement claws 282 and arranged at a distance from the first engagement portion 311 in the up-down direction. Therefore, compared to a configuration in which the engagement claws 280 are arranged in only one of the left-right direction or the up-down direction, the actuator 200 can be attached to the base member 300 more firmly. Furthermore, compared to a configuration in which there is only one first engagement claw 281, rattle in the left-right direction can be suppressed.

[0050] Furthermore, since an alignment portion 222 is provided at the lower end of the actuator body 210, the actuator body 210 can be easily attached to the bracket 250 compared to a configuration in which the actuator body 210 does not have an alignment portion 222.

[0051] Furthermore, when the actuator 200 is attached to the base member 300, the two first engaging claws 281 clamp the base member 300 in the left-right direction, and when the actuator 200 is attached to the base member 300, the two first engaging claws 281 and the second engaging claws 282 clamp the base member 300 in the up-down direction, thereby preventing the actuator 200 from rattling in the left-right and up-down directions.

[0052] Furthermore, since the cross section of the fixing pin 290 is elliptical, compared to a configuration in which the cross section of the fixing pin 290 is perfectly circular, the fixing pin 290 can be prevented from rotating while inserted into the first through-hole 221 and the second through-hole 253. This makes it possible to prevent the fixing pin 290 from falling off due to rotation.

[0053] Furthermore, since the engaging claw 280 has the recess 285, rattle in the front-rear direction can be suppressed compared to a configuration in which the engaging claw 280 does not have the recess 285.

[0054] B. Other Embodiments: (B1) In the above embodiment, the up-down direction, the front-rear direction, and the left-right direction may be any directions that intersect with each other at angles other than 90 degrees. That is, the direction in which the actuator 200 lifts the hood panel 410 may be any first direction. The direction in which the engagement claws 280 extend may be any second direction that intersects with the first direction. The direction in which the first engagement claws 281 are arranged may be any third direction that intersects with the first and second directions.

[0055] (B2) In the above embodiment, the base member 300 may be any member other than the vertical frame of the radiator support. Such a member may be, for example, a part of the body constituting the vehicle 400, a bracket attached to the body, or the like.

[0056] (B3) In the above embodiment, the pop-up hood device 100 may be provided in any location of the vehicle 400. Such a location may be, for example, the rear side of the engine compartment 420.

[0057] (B4) In the above embodiment, the support portion 320 may have any shape other than a trapezoid when viewed in the left-right direction. Such a shape may be, for example, a rectangular parallelepiped or a triangular shape when viewed in the left-right direction. Furthermore, the support portion 320 may have a shape in which the vertical length when viewed in the left-right direction changes in a stepped manner.

[0058] (B5) In the above embodiment, when the actuator 200 is attached to the base member 300, the lower surface of the pipe portion 220 and the upper surface of the support portion 320 do not have to be in contact with each other. In other words, there may be a gap between the pipe portion 220 and the support portion 320 that is large enough to withstand the load generated when the actuator 200 is operated.

[0059] (B6) In the above embodiment, the actuator 200 may be configured to include at least one engaging claw 280 and one engaging portion 310. For example, the second engaging claw 282 may be omitted, and the actuator 200 may be configured to include only two first engaging claws 281.

[0060] (B7) In the above embodiment, the direction in which the engaging claws 280 extend may be the same as the direction in which the actuator 200 lifts the hood panel 410 .

[0061] (B8) In the above embodiment, the support portion 320 may be omitted.

[0062] (B9) In the above embodiment, the pop-up hood device 100 may be provided on any moving body other than the vehicle 400. Such moving bodies include, for example, ships, airplanes, spacecraft, and so-called flying cars.

[0063] (B10) In the above embodiment, the pop-up hood device 100 may be activated when a collision with an object to be protected other than a pedestrian is detected or predicted. Such an object to be protected may be, for example, a bicycle, a motorbike, or an animal other than a human.

[0064] The present disclosure is not limited to the above-described embodiments and can be realized in various configurations without departing from the spirit thereof. For example, the technical features in the embodiments corresponding to the technical features in each aspect described in the Summary of the Invention section can be appropriately replaced or combined to solve some or all of the above-described problems or achieve some or all of the above-described effects. Furthermore, if a technical feature is not described as essential in this specification, it can be appropriately deleted.

[0065] 100... Pop-up hood device, 200... Actuator, 210... Actuator body, 215... Cylinder portion, 220... Pipe portion, 221... First through-hole, 222... Alignment portion, 225... Lever portion, 226... Lever body, 227... Spring-loaded nut, 228... Long hole, 229... Contact portion, 230... Bolt, 231... Underside, 240... Clamp portion, 241... Push-up portion, 250... Bracket, 251... First accommodating portion, 252... Second accommodating portion, 253... Second through-hole, 255... Case Bull guide portion, 256...guide opening, 260...lever mounting portion, 261...bolt hole, 270...claw portion, 271...claw support portion, 280...engagement claw, 281...first engagement claw, 282...second engagement claw, 284...tip portion, 285...recess, 286...edge, 290...fixing pin, 300...base member, 305...main body portion, 310...engagement portion, 311...first engagement portion, 312...second engagement portion, 320...support portion, 321...upper surface, 322...lower surface, 400...vehicle, 410...hood panel, 420...engine compartment

Claims

1. A pop-up hood device mounted on a movable body, comprising: an actuator that lifts a hood panel of the movable body; and a base member that is provided on the movable body and to which the actuator is attached, wherein the actuator has at least one engaging claw, and the base member has at least one engaging portion that can engage with the engaging claw.

2. A pop-up hood device according to claim 1, wherein the engaging claw extends in a second direction that intersects with a first direction that is the direction in which the hood panel is lifted by operation of the actuator.

3. A pop-up hood device according to claim 2, wherein the base member has: a main body portion on which the engagement portion is provided; and a support portion protruding from the main body portion and supporting the load generated when the actuator is operated.

4. A pop-up hood device according to claim 3, wherein the length of the support part in the first direction is shorter on the side farther from the main body part than on the side closer to the main body part.

5. A pop-up hood device as described in claim 2, wherein the engagement claws include two first engagement claws arranged along a third direction that is a direction intersecting the first direction and the second direction, and one second engagement claw arranged at a distance from the first engagement claws in the first direction, and the engagement portions include two first engagement portions that are engageable with the first engagement claws, respectively, and arranged along the third direction, and one second engagement portion that is engageable with the second engagement claws and arranged at a distance from the first engagement portion in the first direction.

6. A pop-up hood device according to claim 5, wherein the two first engagement claws clamp the base member along the third direction in an attached state in which the actuator is attached to the base member, and the two first engagement claws and the second engagement claw clamp the base member along the first direction in the attached state.

7. An actuator for lifting a hood panel of a movable body, comprising an engaging claw capable of engaging with an engaging portion of a base member provided on the movable body, the engaging claw extending in a second direction that intersects with a first direction that is a direction in which the hood panel is lifted by operation of the actuator, the engaging claw including two first engaging claws arranged along a third direction that intersects with the first and second directions, and one second engaging claw arranged at a distance from the first engaging claw in the first direction, the two first engaging claws clamping the base member along the third direction in an attached state in which the actuator is attached to the base member, and the two first engaging claws and the second engaging claw clamping the base member along the first direction in the attached state.

8. A base member provided on a movable body and having an actuator attached thereto that lifts a hood panel of the movable body, the base member comprising: an engaging portion engageable with an engaging claw provided on the actuator; a main body portion on which the engaging portion is provided; and a support portion protruding from the main body portion and receiving a load generated when the actuator is activated, wherein the support portion has a trapezoidal shape when viewed in a third direction that intersects a first direction in which the actuator lifts the hood panel and a second direction that intersects with the first direction and is the direction in which the engaging claw extends, and the length of the support portion in the first direction is shorter on the side farther from the main body portion than on the side closer to the main body portion.

Images