CN221169108U - Engine hood lock and vehicle - Google Patents

Abstract

The embodiment of the application discloses an engine hood lock and a vehicle, wherein the engine hood lock is configured to be capable of being locked with a lock catch and is applied to the vehicle; the operating handle is rotationally connected with the lock body assembly, the operating handle can move along a first arc track relative to the lock body assembly, and when the operating handle moves along the first arc track, the height of one end, away from the lock body assembly, of the operating handle in the height direction of the vehicle is reduced; the first reset piece is connected with the operation handle and is connected with the lock body assembly, and the operation handle has a tendency of resetting after rotating relative to the lock body assembly; wherein the latch is coupled to the other of the front nacelle assembly and the hood, the hood lock reduces injury to a pedestrian when the pedestrian collides with the hood lock.

Description

Engine hood lock and vehicle

Technical Field

The application relates to the technical field of vehicle accessories, in particular to an engine hood lock and a vehicle.

Background

In the related art, an engine room is provided at a front portion of a vehicle, an engine cover is used to cover or open the engine room and to block engine noise by covering the engine room, wherein left and right sides of a rear portion of the engine cover are connected to a vehicle body by a hood hinge, and the engine cover is rotated about the hood hinge to cover or open the engine room.

In the development process of vehicles, pedestrian protection is one of performance indexes, engine hood locks are generally divided into pedestrian protection head-on collision test areas, and the engine hood locks belong to very hard parts and cause high injury to pedestrians when the pedestrians collide with hinges.

Disclosure of utility model

The embodiment of the application provides an engine cover lock and a vehicle, which can reduce injury to pedestrians.

In a first aspect, embodiments of the present application provide a hood lock configured to be interlocked with a striker for use with a vehicle including a front cabin assembly and a hood that are hinged to each other, the hood lock comprising:

A lock body assembly;

The operation handle is rotationally connected with the lock body assembly, can move along a first arc track relative to the lock body assembly, and when the operation handle moves along the first arc track, the height of one end, away from the lock body assembly, of the operation handle in the height direction of the vehicle is reduced;

The first reset piece is connected with the operation handle and is connected with the lock body assembly, and the operation handle has a tendency of resetting after rotating relative to the lock body assembly;

the lock body assembly is connected with the front engine room assembly, and the lock catch is connected with the engine cover; or alternatively, the first and second heat exchangers may be,

The lock body assembly is connected with the engine cover, and the lock catch is connected with the front engine room assembly.

According to the engine cover lock disclosed by the embodiment of the application, when the engine cover of a vehicle collides with a pedestrian, as the operating handle protrudes out of the lock body assembly, the external force applied to the engine cover is usually transmitted to the operating handle, the height of one end, away from the lock body assembly, of the operating handle in the height direction of the vehicle is reduced after the operating handle is subjected to the external force, the injury to the pedestrian caused by the operating handle is reduced, in the process, the first reset piece generates deformation and accumulates elastic potential energy so that the operating handle has a tendency of resetting to an initial position, and when the external force acting on the operating handle is smaller than the external force required by the first reset piece to maintain deformation, the operating handle is reset to the initial position under the action of the first reset piece.

In some embodiments of the application, the first restoring member is configured as a first torsion spring, and the hood lock further includes:

The first rotating shaft is rotationally connected with the operating handle and the lock body assembly;

The first torsion spring is sleeved on the first rotating shaft part, one end of the first torsion spring is connected with the operating handle, and the other end of the first torsion spring is connected with the lock body assembly.

Based on the above embodiment, the first rotating shaft not only realizes the rotation connection of the operating handle and the lock body assembly, but also realizes the fixation of the first torsion spring after the first rotating shaft is inserted into the first torsion spring.

In some embodiments of the application, the operating handle comprises:

the operation section is rotationally connected with the first rotating shaft and fixedly connected with one end of the first torsion spring;

And the limiting section is connected with the operating section, and when the operating handle is in an initial state, the limiting section is at least partially positioned above the lock body assembly and is abutted against the lock body assembly.

Based on the above embodiment, the operation section is used for being held by a user to operate the engine hood lock, and after the limiting section is at least partially positioned above the lock body assembly and is abutted against the lock body assembly, the limiting section is used for limiting the position of one end of the operation handle away from the lock body assembly in the height direction of the vehicle to rise, namely, the operation handle cannot rotate towards the top of the vehicle around the lock body assembly, and only can rotate towards the bottom of the vehicle around the lock body assembly, so that the limit of the operation handle is realized.

In some embodiments of the application, further comprising:

the buffer piece is sleeved with at least part of the structure of the operation section, and extends from one end, away from the limit section, of the operation section towards the limit section.

Based on the above embodiment, the cushion member can further reduce the injury of the operating handle to the pedestrian when the pedestrian collides with the hood lock.

In some embodiments of the application, the engine cover lock has a locked state and an unlocked state, the lock body mechanism comprising:

A lock body having a locking groove for receiving the locking hook;

the safety hook is rotationally connected with the lock body, rotationally connected with the first rotating shaft and fixedly connected with one end of the first torsion spring;

The second reset piece is connected with the lock body and the safety hook;

When the engine cover lock is in the locking state, the safety hook seals the notch of the locking groove, when the engine cover lock is in the opening state, the safety hook staggers the notch of the locking groove, and the second reset piece deforms to have the trend of resetting the safety hook.

Based on the embodiment, when the lock hook is positioned in the locking groove and the safety hook closes the notch of the locking groove, the engine cover lock and the lock catch are interlocked; when the engine hood lock is in a locking state, a user can drive the safety hook to rotate relative to the lock body through the operating handle so that the safety hook is staggered with the notch of the locking groove, and then the lock catch can be separated from the locking groove.

In some embodiments of the present application, the safety hook moves along a second arc track relative to the lock body, where a plane of the first arc track is perpendicular to a plane of the second arc track.

Based on the above embodiment, when the user drives the safety hook to rotate through the operating handle, because the plane where the second arc track is vertical to the plane where the first arc track is, the user can not make the operating handle rotate along the first arc track when holding the operating handle to rotate along the second arc track, and in the same way, the operating handle can not make the operating handle rotate along the second arc track when rotating along the first arc track.

In some embodiments of the application, the second restoring member is configured as a second torsion spring, and the lock body assembly further includes:

The second rotating shaft is rotationally connected with the lock body and the safety hook;

The second torsion spring is sleeved on the part of the second rotating shaft, one end of the second torsion spring is connected with the lock body, and the other end of the second torsion spring is connected with the safety hook.

Based on the above embodiment, the second rotating shaft not only realizes the rotating connection of the lock body and the safety hook, but also realizes the fixation of the second torsion spring.

In some embodiments of the application, the lock body has a first limit structure and a second limit structure, the safety hook rotates relative to the lock body between the first limit structure and the second limit structure, the safety hook abuts one of the first limit structure and the second limit structure when the hood lock is in the locked state, and the safety hook abuts the other of the first limit structure and the second limit structure when the hood lock is in the unlocked state.

Based on the above embodiment, the first limiting structure and the second limiting structure are used for limiting the rotation angle of the safety hook relative to the lock body so as to prevent the user from excessively rotating the safety hook to damage the engine hood lock, and the user can conveniently perceive the position of the safety hook so as to open the engine hood lock.

In some embodiments of the present application, the first limiting structure and the second limiting structure are both configured as limiting bosses, and the limiting bosses are protruding from a surface of the lock body.

Based on the embodiment, the limiting boss is simple in structure, and the structure of the engine cover lock can be simplified.

In a second aspect, an embodiment of the present application provides a vehicle including:

A front nacelle assembly having an engine compartment;

an engine cover hinged with the front engine compartment assembly for covering the engine compartment;

a hood lock as described above, coupled to one of the front nacelle assembly and the hood;

A latch is coupled to the other of the front nacelle assembly and the hood and is capable of locking with the hood lock.

According to the vehicle in the embodiment of the application, due to the engine cover lock, when a pedestrian collides with the vehicle, if the pedestrian collides with the engine cover lock, the damage to the pedestrian can be reduced, so that the life safety of the pedestrian is ensured.

According to the engine cover lock disclosed by the embodiment of the application, when the engine cover of a vehicle collides with a pedestrian, as the operating handle protrudes out of the lock body assembly, the external force applied to the engine cover is usually transmitted to the operating handle, the height of one end, away from the lock body assembly, of the operating handle in the height direction of the vehicle is reduced after the operating handle is subjected to the external force, the injury to the pedestrian caused by the operating handle is reduced, in the process, the first reset piece generates deformation and accumulates elastic potential energy so that the operating handle has a tendency of resetting to an initial position, and when the external force acting on the operating handle is smaller than the external force required by the first reset piece to maintain deformation, the operating handle is reset to the initial position under the action of the first reset piece.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a hood lock according to an embodiment of the present application;

Fig. 2 is a schematic view of an exploded structure of the hood lock shown in fig. 1.

Reference numerals: 10. a lock body assembly; 11. a lock body; 111. a locking groove; 112. a first limit structure; 113. a second limit structure; 12. a safety hook; 13. a second reset member; 20. an operation handle; 21. an operating section; 22. a limiting section; 23. a buffer member; 30. a first reset member; 40. a first rotating shaft; 50. a second rotating shaft; A. a first arcuate path; a. the height direction of the vehicle; B. a second arcuate path; b. the width direction of the vehicle; c. the longitudinal direction of the vehicle.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the related art, an engine room is provided at a front portion of a vehicle, an engine cover is used to cover or open the engine room and to block engine noise by covering the engine room, wherein left and right sides of a rear portion of the engine cover are connected to a vehicle body by a hood hinge, and the engine cover is rotated about the hood hinge to cover or open the engine room.

In the development process of vehicles, pedestrian protection is one of performance indexes, engine hood locks are generally divided into pedestrian protection head-on collision test areas, and the engine hood locks belong to very hard parts and cause high injury to pedestrians when the pedestrians collide with hinges.

In order to solve the above-mentioned technical problems, referring to fig. 1 and 2, in a first aspect, an engine hood lock is provided according to an embodiment of the present application, which is configured to be interlocked with a latch (not shown) and is applied to a vehicle, the vehicle includes a front cabin assembly and an engine hood that are hinged to each other, the engine hood lock includes a lock body assembly 10, an operating handle 20, and a first restoring member 30, the operating handle 20 is rotatably connected with the lock body assembly 10 in a first direction, and when the operating handle 20 is rotated in the first direction, a height of an end of the operating handle 20 away from the lock body assembly 10 in a height direction a of the vehicle is lowered; the first reset element 30 is connected with the operation handle 20 and is connected with the lock body assembly 10, and has a tendency to reset the operation handle 20 after the operation handle 20 rotates relative to the lock body assembly 10; the lock body assembly 10 is connected with the front engine room assembly, and the lock catch is connected with the engine cover; alternatively, the lock assembly 10 may be coupled to the hood and the striker coupled to the forward nacelle assembly.

According to the engine cover lock of the embodiment of the application, when an engine cover of a vehicle collides with a pedestrian, as the operating handle 20 protrudes out of the lock body assembly 10, the external force applied to the engine cover is generally transferred to the operating handle 20, the height of one end, away from the lock body assembly 10, of the operating handle 20 in the height direction a of the vehicle is reduced after the operating handle 20 receives the external force, so that the injury to the pedestrian caused by the operating handle 20 is reduced, in the process, the first reset piece 30 generates deformation and accumulates elastic potential energy, so that the operating handle 20 has a tendency to reset to an initial position, and when the external force applied to the operating handle 20 is smaller than the external force required by the first reset piece 30 to maintain deformation, the operating handle 20 is reset to the initial position under the action of the first reset piece 30.

Referring to fig. 1 and 2, in some embodiments of the present application, the first restoring member 30 is configured as a first torsion spring, and the hood lock further includes a first rotating shaft 40 rotatably connected to the operating handle 20 and rotatably connected to the lock body assembly 10; the first torsion spring is sleeved on the first rotating shaft 40, one end of the first torsion spring is connected with the operating handle 20, the other end of the first torsion spring is connected with the lock body assembly 10, the first rotating shaft 40 not only realizes the rotating connection of the operating handle 20 and the lock body assembly 10, but also realizes the fixation of the first torsion spring after the first rotating shaft 40 is inserted with the torsion spring.

In some embodiments of the present application, the first rotating shaft 40 includes a first limiting section 22, a first connecting section, a second connecting section and a second limiting section 22 that are sequentially connected, wherein the shaft diameter of the first limiting section 22 is larger than that of the first connecting section, the shaft diameter of the second connecting section is larger than that of the first connecting section to form a first shaft shoulder, the shaft diameter of the second limiting section 22 is larger than that of the second connecting section, the first connecting section is rotationally connected with the operating handle 20 and the lock body assembly 10, the first shaft shoulder abuts against one of the operating handle 20 and the lock body assembly 10, and the first limiting section 22 abuts against the other of the operating handle 20 and the lock body assembly 10 to realize connection of the operating handle 20 and the lock body assembly 10; the second connecting section is inserted into the first torsion spring, and the first torsion spring is clamped between the second limiting section 22 and the operating handle 20, or the first torsion spring is clamped between the second limiting section 22 and the lock body assembly 10, so that the first torsion spring is fixed.

It can be appreciated that, in order to enable the first rotating shaft 40 to be rotatably connected with the operating handle 20 and the lock body assembly 10, the operating handle 20 and the lock body assembly 10 are respectively provided with a first connecting hole and a second connecting hole corresponding to the first rotating shaft 40, and the first rotating shaft 40 is inserted into the first connecting hole and the second connecting hole.

In some embodiments of the present application, the operating handle 20 and the lock body assembly 10 are both provided with a clamping groove, and two ends of the first torsion spring are respectively clamped into the two clamping grooves, it is to be understood that, in order to enable the first torsion spring to be firmly connected with the operating handle 20 and the lock body assembly 10, the first torsion spring has elastic potential energy in an initial state, so as to ensure that two ends of the first torsion spring can be firmly clamped into corresponding clamping grooves.

Referring to fig. 1 and 2, in some embodiments of the present application, an operation handle 20 includes an operation section 21 and a limit section 22, wherein the operation section 21 is rotatably connected to a first rotation shaft 40 and is fixedly connected to one end of a first torsion spring; the limiting section 22 is connected with the operating section 21, when the operating handle 20 is in an initial state, the limiting section 22 is at least partially located above the lock body assembly 10 and abuts against the lock body assembly 10, so that the operating section 21 is used for being held by a user to operate the engine cover lock, after the limiting section 22 is at least partially located above the lock body assembly 10 and abuts against the lock body assembly 10, the limiting section 22 limits one end of the operating handle 20, which is far away from the lock body assembly 10, to rise at the position of the height direction a of the vehicle, namely, the operating handle 20 cannot rotate towards the top of the vehicle around the lock body assembly 10, and only can rotate towards the bottom of the vehicle around the lock body assembly 10, so that the limiting of the operating handle 20 is realized.

In the embodiment of the present application, the shapes, sizes, materials, etc. of the operation section 21 and the limit section 22 are not limited, wherein the operation section 21 is only required to be convenient for a user to hold, and the limit section 22 can limit the operation handle 20 to rotate towards the bottom of the vehicle.

In the embodiment of the present application, the first connecting section of the first rotating shaft 40 is rotationally connected to the operating handle 20 and the lock body assembly 10, and in this embodiment, the first rotating shaft 40 is rotationally connected to the operating section 21, that is, the first connecting hole is disposed in the operating section 21, and in order to facilitate the rotation of the operating handle 20, the first rotating shaft 40 is rotationally connected to an end portion of the operating section 21, which is close to the lock body assembly 10.

Referring to fig. 2, in some embodiments of the present application, the hood lock further includes a buffer member 23, where the buffer member 23 is sleeved on at least a part of the operating section 21, and extends from an end of the operating section 21 away from the limiting section 22 toward the limiting section 22, and the buffer member 23 can further reduce the injury of the operating handle 20 to the pedestrian when the pedestrian collides with the hood lock.

It will be appreciated that the cushioning member 23 may be made of a relatively soft material, such as at least one of foam, plastic, synthetic resin, and may be constructed using a balloon or a porous structure. In the embodiment of the present application, the buffer member 23 is not limited to the portion covering the operation section 21, but it should be ensured that the buffer member 23 at least covers the end of the operation section 21 away from the limit section 22, and then the buffer member 23 may extend from the end of the operation section 21 away from the limit section 22 toward the limit section 22 along the operation section 21. In some embodiments of the application, the buffer 23 may cover the entire handling section 21.

Referring to fig. 1 and 2, in some embodiments of the present application, the hood lock has a locked state and an unlocked state, the lock body 11 mechanism includes a lock body 11, a safety hook 12, and a second reset member 13, and the lock body 11 has a locking groove 111 for receiving the locking hook; the safety hook 12 is rotationally connected with the lock body 11, rotationally connected with the first rotating shaft 40 and fixedly connected with one end of the first torsion spring; the second reset piece 13 is connected with the lock body 11 and is connected with the safety hook 12; when the hood lock is in the locked state, the safety hook 12 seals the notch of the locking groove 111, and when the hood lock is in the unlocked state, the safety hook 12 misaligns the notch of the locking groove 111, and the second restoring member 13 deforms to have a tendency to restore the safety hook 12. Thus, when the latch hook is positioned in the locking groove 111 and the safety hook 12 seals the notch of the locking groove 111, the engine cover lock and the lock catch are interlocked; when the engine hood lock is in a locking state, a user can drive the safety hook 12 to rotate relative to the lock body 11 through the operating handle 20, so that the safety hook 12 can unlock the notch of the locking groove 111 by mistake, and further the lock catch can be separated from the locking groove 111, at the moment, the engine hood and the lock catch are mutually independent, and the user can open the engine hood.

In the embodiment of the present application, the first connecting section of the first rotating shaft 40 is rotationally connected with the operating handle 20 and the lock body assembly 10, and then the first rotating shaft 40 is rotationally connected with the safety hook 12, that is, the second connecting hole is arranged on the safety hook 12, and the first torsion spring is clamped between the second limiting section 22 and the operating handle 20, or the first torsion spring is clamped between the second limiting section 22 and the safety hook 12, so as to fix the first torsion spring.

Referring to fig. 1 and 2, in some embodiments of the present application, the safety hook 12 moves along a second arc track B relative to the lock body 11, and a plane of the first arc track a is perpendicular to a plane of the second arc track B, so that when a user drives the safety hook 12 to rotate through the operating handle 20, the user cannot rotate the operating handle 20 along the first arc track a when holding the operating handle 20 to rotate along the second arc track B, and similarly, the operating handle 20 cannot rotate along the second arc track B when rotating along the first arc track a.

It is understood that the height direction a of the vehicle is a tangent line of the first arc track a, the width direction B of the vehicle or the length direction c of the vehicle is a tangent line of the second arc track B, and in one embodiment of the present application, the width direction B of the vehicle is a tangent line of the second arc track B.

Referring to fig. 1 and 2, in some embodiments of the present application, the second restoring member 13 is configured as a second torsion spring, and the lock body assembly 10 further includes a second rotating shaft 50, where the second rotating shaft 50 is rotatably connected with the lock body 11 and is rotatably connected with the safety hook 12; the second torsion spring is sleeved on the second rotating shaft 50, one end of the second torsion spring is connected with the lock body 11, and the other end of the second torsion spring is connected with the safety hook 12, so that the second rotating shaft 50 not only realizes the rotating connection of the lock body 11 and the safety hook 12, but also realizes the fixation of the second torsion spring.

In the embodiment of the present application, the structure of the second rotating shaft 50 is the same as that of the first rotating shaft 40, specifically, the second rotating shaft 50 includes a third limiting section 22, a third connecting section, a fourth connecting section and a fourth limiting section 22 which are sequentially connected, wherein the shaft diameter of the third limiting section 22 is larger than that of the third connecting section, the shaft diameter of the fourth connecting section is larger than that of the third connecting section to form a second shoulder, the shaft diameter of the fourth limiting section 22 is larger than that of the fourth connecting section, the third connecting section is rotationally connected with the lock body 11 and the safety hook 12, the second shoulder abuts against one of the lock body 11 and the safety hook 12, and the third limiting section 22 abuts against the other of the lock body 11 and the safety hook 12 to realize connection of the lock body 11 and the safety hook 12; the fourth connecting section is inserted with a second torsion spring, the second torsion spring is clamped between the fourth limiting section 22 and the lock body 11, or the second torsion spring is clamped between the fourth limiting section 22 and the lock body 11, so that the first torsion spring is fixed.

It can be understood that, in order to enable the second rotating shaft 50 to be rotatably connected with the lock body 11 and the safety hook 12, a third connecting hole and a fourth connecting hole are respectively provided on the lock body 11 and the safety hook 12 corresponding to the second rotating shaft 50, and the second rotating shaft 50 is inserted into the third connecting hole and the fourth connecting hole.

Referring to fig. 1 and 2, in some embodiments of the present application, the lock body 11 has a first limiting structure 112 and a second limiting structure 113, the safety hook 12 rotates between the first limiting structure 112 and the second limiting structure 113 relative to the lock body 11, when the engine cover lock is in a locked state, the safety hook 12 abuts against one of the first limiting structure 112 and the second limiting structure 113, and when the engine cover lock is in an unlocked state, the safety hook 12 abuts against the other of the first limiting structure 112 and the second limiting structure 113, so that the first limiting structure 112 and the second limiting structure 113 are used for limiting the rotation angle of the safety hook 12 relative to the lock body 11, so as to prevent the user from excessively rotating the safety hook 12 to damage the engine cover lock, and to facilitate the user to perceive the position of the safety hook 12, so that the user can open the engine cover lock.

Referring to fig. 1 and 2, in the embodiment of the present application, the shapes, sizes, etc. of the first limiting structure 112 and the second limiting structure 113 are not limited, and in some embodiments of the present application, the first limiting structure 112 and the second limiting structure 113 are configured as limiting bosses, and the limiting bosses are protruding on the surface of the lock body 11, so that the limiting boss has a simple structure and can simplify the structure of the engine hood lock.

In a second aspect, embodiments of the present application provide a vehicle comprising a front cabin assembly having a cabin, a bonnet, a latch, and a bonnet lock as above; the engine cover is hinged with the front engine room assembly and is used for covering the engine room; a hood lock coupled to one of the front nacelle assembly and the hood; the latch is coupled to the other of the front nacelle assembly and the hood and is capable of locking with the hood lock.

The latch is used with a hood lock, and the shape of the latch is not limited in the embodiment of the present application, as long as the latch is located in the locking groove 111 and the hood lock can be locked with the latch, it will be understood that the latch should have a certain structural strength to lock the hood and the front cabin assembly when the vehicle jolts.

In some embodiments of the present application, the latch is connected to a hood, the hood is locked in the engine compartment, and the lock body 11 is connected to the front cabin component, so that the hood lock with complex structure and large volume is locked in the engine compartment to protect and hide the hood lock.

According to the vehicle in the embodiment of the application, due to the engine cover lock, when a pedestrian collides with the vehicle, if the pedestrian collides with the engine cover lock, the damage to the pedestrian can be reduced, so that the life safety of the pedestrian is ensured.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A hood lock configured to interlock with a striker for use with a vehicle including a front cabin assembly and a hood that are hinged to one another, the hood lock comprising:

A lock body assembly;

The operation handle is rotationally connected with the lock body assembly, can move along a first arc track relative to the lock body assembly, and when the operation handle moves along the first arc track, the height of one end, away from the lock body assembly, of the operation handle in the height direction of the vehicle is reduced;

The first reset piece is connected with the operation handle and is connected with the lock body assembly, and the operation handle has a tendency of resetting after rotating relative to the lock body assembly;

the lock body assembly is connected with the front engine room assembly, and the lock catch is connected with the engine cover; or alternatively, the first and second heat exchangers may be,

The lock body assembly is connected with the engine cover, and the lock catch is connected with the front engine room assembly.

2. The hood lock of claim 1, wherein the first return member is configured as a first torsion spring, the hood lock further comprising:

The first rotating shaft is rotationally connected with the operating handle and the lock body assembly;

The first torsion spring is sleeved on the first rotating shaft part, one end of the first torsion spring is connected with the operating handle, and the other end of the first torsion spring is connected with the lock body assembly.

3. The hood lock according to claim 2 wherein the operating handle comprises:

the operation section is rotationally connected with the first rotating shaft and fixedly connected with one end of the first torsion spring;

And the limiting section is connected with the operating section, and when the operating handle is in an initial state, the limiting section is at least partially positioned above the lock body assembly and is abutted against the lock body assembly.

4. The hood lock of claim 3, further comprising:

the buffer piece is sleeved with at least part of the structure of the operation section, and extends from one end, away from the limit section, of the operation section towards the limit section.

5. The hood lock according to claim 2, wherein the hood lock has a locked state and an unlocked state, the lock body mechanism comprising:

A lock body having a locking groove for receiving the locking hook;

the safety hook is rotationally connected with the lock body, rotationally connected with the first rotating shaft and fixedly connected with one end of the first torsion spring;

The second reset piece is connected with the lock body and the safety hook;

When the engine cover lock is in the locking state, the safety hook seals the notch of the locking groove, when the engine cover lock is in the opening state, the safety hook staggers the notch of the locking groove, and the second reset piece deforms to have the trend of resetting the safety hook.

6. The hood lock of claim 5, wherein said safety hook moves relative to said lock body along a second arcuate path, said first arcuate path lying in a plane perpendicular to said second arcuate path lying in a plane.

7. The hood lock of claim 5, wherein the second return member is configured as a second torsion spring, the lock body assembly further comprising:

The second rotating shaft is rotationally connected with the lock body and the safety hook;

The second torsion spring is sleeved on the part of the second rotating shaft, one end of the second torsion spring is connected with the lock body, and the other end of the second torsion spring is connected with the safety hook.

8. The hood lock of claim 5, wherein the lock body has a first limit structure and a second limit structure, the safety hook rotates relative to the lock body between the first limit structure and the second limit structure, the safety hook abuts one of the first limit structure and the second limit structure when the hood lock is in the locked state, and the safety hook abuts the other of the first limit structure and the second limit structure when the hood lock is in the unlocked state.

9. The hood lock of claim 8, wherein the first and second stop structures are each configured as a stop boss protruding from a surface of the lock body.

10. A vehicle, characterized by comprising:

A front nacelle assembly having an engine compartment;

an engine cover hinged with the front engine compartment assembly for covering the engine compartment;

The bonnet lock as defined in any one of claims 1-9, coupled to one of the front nacelle assembly and the bonnet;

A latch is coupled to the other of the front nacelle assembly and the hood and is capable of locking with the hood lock.