Electric release automobile cover lock

Abstract

The utility model provides an electric release automobile machine cover lock which comprises a base plate, a clamping plate and a pawl, the clamping plate and the pawl are rotationally installed on the base plate and used in cooperation with each other, and an electric release assembly is installed on the base plate and used for driving the pawl to unlock the machine cover lock. The electric release assembly comprises a seat body fixed to the base plate, an electric release arm hinged to the interior of the seat body and a driving motor in driving connection with the electric release arm, a driving part is arranged at one end of the electric release arm, and the driving part extends towards the pawl and abuts against the end of the pawl; in the unlocking process, the driving motor drives the electric release arm to rotate, the electric release arm drives the pawl to rotate, and then the machine cover lock is unlocked. According to the electric release automobile cover lock, the defect that an electric unlocking structure of an existing front cover lock is complex is overcome.

Description

Technical Field

[0001] The utility model relates to the field of hood locks, in particular to an electric release automobile hood lock. Background Art

[0002] With the improvement of people's quality of life, cars have become more and more popular, and the front hood lock is an important component in the car. The existing front hood lock includes a base plate, a card plate and a ratchet. The card plate is hinged on the base plate through a card plate shaft, and a card plate torsion spring is installed on the card plate shaft; the ratchet is hinged on the base plate through a ratchet shaft, and a ratchet torsion spring is installed on the ratchet shaft. The ratchet is located on one side of the card plate for unlocking or locking the card plate. The unlocking method of the existing front hood lock is: pull the ratchet by pulling the wire to rotate the ratchet, and then the ratchet unlocks the card plate. With the popularization of new energy vehicles, the front hood compartment is used as a luggage compartment and opened more and more frequently. The above manual unlocking operation is inconvenient and the user experience is poor.

[0003] In order to solve the above problems, people have designed electric hood locks. For example, patent number CN218991230U discloses an electric front hood lock for an automobile engine, wherein the actuator assembly includes a main body, a main body cover, a motor assembly, a bevel gear, a push rod fixing seat, a push rod, a reset spring and a motor connector. The bevel gear and the motor assembly are installed between the main body and the main body cover. The output end of the motor assembly is connected to the bevel gear through a transmission. The motor assembly is electrically connected to the motor connector. The bevel gear is movably connected to a push rod fixing seat, a push rod is fixed to the push rod fixing seat, a reset spring is provided on the outer sleeve of the push rod fixing seat, and a ratchet is connected to the driving end of the push rod. In the above structure, the actuator assembly has many parts and components, and the electric unlocking structure is relatively complex, which needs to be improved. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The problem to be solved by the utility model is to provide an electrically released automobile hood lock to overcome the defect that the electric unlocking structure of the existing front hood lock is relatively complicated.

[0006] (II) Technical solution

[0007] To solve the above technical problems, the present utility model provides an electrically released hood lock for a vehicle, which includes a base plate, and a clamping plate and a pawl that are rotatably mounted on the base plate and cooperate with each other. An electrically released assembly is mounted on the base plate, and the electrically released assembly is used to drive the pawl to unlock the hood lock; the electrically released assembly includes a seat body fixed to the base plate, an electrically released arm hinged in the seat body, and a drive motor drivingly connected to the electrically released arm. One end of the electrically released arm is provided with a driving portion, and the driving portion extends toward the pawl and abuts against the end of the pawl; when unlocking, the drive motor drives the electrically released arm to rotate, and the electrically released arm drives the pawl to rotate, thereby unlocking the hood lock.

[0008] In some embodiments, the electrically released assembly further includes a release gear rotatably mounted in the seat body and a cam swing arm rotatably mounted on one side of the release gear, and the drive motor is drivingly connected to the release gear; a cam portion is provided on the release gear, one end of the cam swing arm abuts against the cam portion, and the other end thereof is drivingly connected to the electrically released arm.

[0009] In some embodiments, a plug shaft is provided at one end of the cam swing arm away from the cam portion, and a plug slot adapted to the plug shaft is provided at one end of the electrically released arm away from the driving portion. The plug shaft passes through the seat body and is inserted into the plug slot. A worm is mounted on the drive motor, and the worm meshes with the release gear.

[0010] In some embodiments, the drive motor, the release gear, and the cam swing arm are located on the same side of the seat body, the electrically released arm is located on the other side of the seat body, and a seat body cover plate for covering the drive motor, the release gear, and the cam swing arm is mounted on the seat body; an automotive EKT is mounted on one side of the seat body, and the automotive EKT is electrically connected to the drive motor.

[0011] In some embodiments, a release gear torsion spring is mounted between the release gear and the seat body, and the release gear torsion spring is used for resetting the release gear; a cam swing arm torsion spring is mounted between the cam swing arm and the seat body, and the cam swing arm torsion spring always makes the cam swing arm tend to move toward the cam portion.

[0012] In some embodiments, an emergency opening arm is hinged to the base plate, and the emergency opening arm is used for manual unlocking when the electrically released assembly fails; the emergency opening arm is disposed close to the pawl, and a pushing portion for pushing the pawl is provided on one side of the emergency opening arm.

[0013] In some embodiments, an emergency opening arm torsion spring is installed between the emergency opening arm and the seat body. An installation post is provided on the seat body, and the emergency opening arm torsion spring is sleeved on the installation post. A pawl torsion spring is installed between the pawl and the seat body. The emergency opening arm and the pawl are hinged to the substrate through a pawl hinge shaft, and the pawl torsion spring is sleeved on the hinge shaft.

[0014] In some embodiments, an upper cover plate is installed on the outer side of the seat body. A clamping plate torsion spring is installed between the upper cover plate and the clamping plate. An arc-shaped protrusion is provided on the upper cover plate, and the clamping plate torsion spring is sleeved on the arc-shaped protrusion.

[0015] In some embodiments, a locking portion is provided on the pawl, and a first engaging portion and a second engaging portion are provided on the clamping plate. The clamping plate is provided with a first locking groove and a second locking groove that communicate with each other. When the first engaging portion engages the locking portion, the external lock hook is placed in the first locking groove in a semi-locked state. When the second engaging portion engages the locking portion, the external lock hook is placed in the second locking groove in a fully locked state.

[0016] (III) Beneficial Effects

[0017] An electric release vehicle hood lock provided by the present utility model adds an electric release component. When unlocking, the drive motor drives the release gear to rotate, the release gear drives the cam swing arm to swing, the cam swing arm drives the electric release arm to rotate, and then the electric release arm pushes the pawl to rotate, so that the pawl unlocks the clamping plate. It can realize the electric unlocking of the hood lock, has a simple overall structure, reliable transmission, more convenient unlocking, and a better use experience. It overcomes the defect that the existing electric unlocking structure of the front hood lock is relatively complex. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a perspective view of an electric release vehicle hood lock of the present utility model;

[0020] Figure 2 It is an exploded view of an electric release vehicle hood lock of the present utility model;

[0021] Figure 3 It is a perspective view of an electric release vehicle hood lock of the present utility model after removing the seat body and the upper cover plate;

[0022] Figure 43D view of the connection of an electric release car hood lock pawl, electric release arm, cam swing arm, release gear and drive motor of the present utility model;

[0023] Figure 5 3D view of an electric release car hood lock pawl, electric release arm and emergency opening arm of the present utility model;

[0024] Figure 6 Exploded view of an electric release arm and a cam swing arm of an electric release car hood lock of the present utility model;

[0025] Figure 7 3D view of the connection of an electric release arm, cam swing arm, release gear and drive motor of an electric release car hood lock of the present utility model;

[0026] Figure 8 3D view of an electric release assembly of an electric release car hood lock of the present utility model;

[0027] Figure 9 3D view of an electric release car hood lock of the present utility model after removing the upper cover plate;

[0028] Figure 10 3D view of a pawl and a clamping plate of an electric release car hood lock of the present utility model;

[0029] The corresponding component names for the reference numerals in the figures are: 1, base plate; 2, clamping plate; 201, first locking groove; 202, second locking groove; 203, first engaging portion; 204, second engaging portion; 3, pawl; 301, locking portion; 4, electric release assembly; 40, automotive EKT; 41, seat body; 42, electric release arm; 43, drive motor; 44, release gear; 45, cam swing arm; 46, worm; 47, seat body cover plate; 48, release gear torsion spring; 49, cam swing arm torsion spring; 411, mounting post; 421, driving portion; 422, insertion slot; 441, cam portion; 451, insertion shaft; 5, emergency opening arm; 501, pushing portion; 6, emergency opening arm torsion spring; 7, pawl torsion spring; 8, hinge shaft; 9, upper cover plate; 901, arc-shaped protrusion; 10, clamping plate torsion spring. Detailed implementation manners

[0030] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0031] The following describes the implementation modes of the present application through specific specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all embodiments. The present application can also be implemented or applied through other different specific implementation modes. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present application.

[0032] It should be noted that the following describes various aspects of the embodiments within the scope of the appended claims. It should be obvious that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is illustrative only. Based on the present application, those skilled in the art should understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects described herein can be used to implement the device and / or practice the method. Additionally, this device and / or this method can be implemented using other structures and / or functions in addition to one or more of the aspects described herein.

[0033] It also should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner. The drawings only show the components related to the present application, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and proportion of each component in its actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0034] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that the examples can be practiced without these specific details.

[0035] The following describes the technical solutions provided by each embodiment of the present application in conjunction with the accompanying drawings.

[0036] Refer to Figures 1 to 10 , the present utility model provides an electrically released vehicle hood lock, which includes a substrate 1, and a clamping plate 2 and a pawl 3 that are rotatably installed on the substrate 1 and cooperate with each other. An electrically released component 4 is installed on the substrate 1, and the electrically released component 4 is used to drive the pawl 3 to unlock the hood lock. The pawl 3 is arranged close to the clamping plate 2, and the electrically released component 4 covers the clamping plate 2 and the pawl 3.

[0037] Refer to Figures 2 to 4, the electric release assembly 4 includes a seat body 41 fixed to the substrate 1, an electric release arm 42 hinged in the seat body 41, and a drive motor 43 drivingly connected to the electric release arm 42. The electric release arm 42 is located between the seat body 41 and the substrate 1, and the electric release arm 42 is arranged close to the pawl 3. One end of the electric release arm 42 is provided with a drive portion 421, and the drive portion 421 extends towards the pawl 3 and abuts against the end of the pawl 3. When unlocking, the drive motor 43 drives the electric release arm 42 to rotate, and the electric release arm 42 drives the pawl 3 to rotate, thereby unlocking the hood lock.

[0038] In some embodiments, as Figures 2 to 4 shown, the electric release assembly 4 further includes a release gear 44 rotatably mounted in the seat body 41 and a cam swing arm 45 rotatably mounted on one side of the release gear 44. The drive motor 43 is drivingly connected to the release gear 44. A cam portion 441 is provided on the release gear 44, one end of the cam swing arm 45 abuts against the cam portion 441, and the other end of the cam swing arm 45 is drivingly connected to the electric release arm 42. When unlocking, the drive motor 43 drives the release gear 44 to rotate, the release gear 44 drives the cam swing arm 45 to swing through the cam portion 441, the cam swing arm 45 drives the electric release arm 42 to rotate, and further the electric release arm 42 pushes the pawl 3 to rotate.

[0039] In some embodiments, as Figure 2 , Figure 4 and Figure 6 shown, a plug shaft 451 is provided at one end of the cam swing arm 45 away from the cam portion 441, and a plug slot 422 adapted to the plug shaft 451 is provided at one end of the electric release arm 42 away from the drive portion 421. The plug shaft 451 passes through the seat body 41 and is plugged into the plug slot 422. For firm connection, the plug shaft 451 is fixed to the electric release arm 42 by screws. When driving, the cam swing arm 45 drives the electric release arm 42 to rotate through the plug shaft 451.

[0040] In some embodiments, as Figure 3 and Figure 4 shown, a worm 46 is installed on the drive motor 43, and the worm 46 meshes with the release gear 44. When unlocking, the drive motor 43 drives the worm 46 to rotate, and the worm 46 drives the release gear 44 to rotate.

[0041] In some embodiments, as Figure 1 , Figure 2 and Figure 8As shown, the drive motor 43, the release gear 44, and the cam swing arm 45 are located on the same side of the seat body 41, and the electric release arm 42 is located on the other side of the seat body 41. A seat body cover plate 47 for covering the drive motor 43, the release gear 44, and the cam swing arm 45 is installed on the seat body 41; an automotive EKT40 is installed on one side of the seat body 41, and the automotive EKT40 is electrically connected to the drive motor 43. Among them, the automotive EKT40 is prior art and will not be elaborated in this embodiment.

[0042] In some embodiments, such as Figure 2 、 Figure 3 and Figure 7 As shown, a release gear torsion spring 48 is installed between the release gear 44 and the seat body 41, and the release gear torsion spring 48 is used to reset the release gear 44; a cam swing arm torsion spring 49 is installed between the cam swing arm 45 and the seat body 41, and the cam swing arm torsion spring 49 always makes the cam swing arm 45 tend to move towards the cam portion 441. The cam swing arm torsion spring 49 and the release gear torsion spring 48 are provided to facilitate the reset of the driving components.

[0043] In some embodiments, such as Figure 1 、 Figure 3 and Figure 5 As shown, an emergency opening arm 5 is hinged to the substrate 1, and the emergency opening arm 5 is used for manual unlocking when the electric release assembly 4 fails. The emergency opening arm 5 is arranged close to the pawl 3, and a pushing portion 501 for pushing the pawl 3 is arranged on one side of the emergency opening arm 5. During emergency opening, the emergency opening arm 5 is driven to rotate by a wire, and the emergency opening arm 5 pushes the pawl 3 to rotate through the pushing portion 501, thereby unlocking.

[0044] In some embodiments, such as Figure 9 As shown, an emergency opening arm torsion spring 6 is installed between the emergency opening arm 5 and the seat body 41. An installation post 411 is arranged on the seat body 41, and the emergency opening arm torsion spring 6 is sleeved on the installation post 411. A pawl torsion spring 7 is installed between the pawl 3 and the seat body 41. The emergency opening arm 5 and the pawl 3 are hinged to the substrate 1 through a pawl hinge shaft 8, and the pawl torsion spring 7 is sleeved on the hinge shaft 8.

[0045] In some embodiments, such as Figure 1 As shown, an upper cover plate 9 is installed on the outside of the seat body 41. A retaining plate torsion spring 10 is installed between the upper cover plate 9 and the retaining plate 2. An arc-shaped protrusion 901 is arranged on the upper cover plate 9, and the retaining plate torsion spring 10 is sleeved on the arc-shaped protrusion 901.

[0046] In some embodiments, such as Figure 10As shown, the locking and unlocking principles of the pawl 3 and the clamping plate 2 are prior art and will only be briefly described in this embodiment. A locking portion 301 is provided on the pawl 3, and a first engaging portion 203 and a second engaging portion 204 are provided on the clamping plate 2; a first locking groove 201 and a second locking groove 202 that communicate with each other are provided on the clamping plate 2. When the first engaging portion 203 engages with the locking portion 301, the external locking hook is placed in the first locking groove 201 and is in a semi-locked state; when the second engaging portion 204 engages with the locking portion 301, the external locking hook is placed in the second locking groove 202 and is in a fully locked state. In the locked state, the external locking hook is placed in the second locking groove 202 and the engine hood lock is in a fully locked state; when unlocking, the driving motor drives the electric release arm to rotate through the release gear and the cam swing arm, the electric release arm pushes the pawl to rotate, so that the first engaging portion engages with the locking portion, and the external locking hook is placed in the first locking groove and is in a semi-locked state; then, the electric release assembly 4 is reset. After resetting, the driving motor drives the electric release arm to rotate again, the electric release arm pushes the pawl to rotate, and the first engaging portion disengages from the locking portion, so that the engine hood lock is in an unlocked state.

[0047] For the same or similar parts among the various embodiments in this specification, reference can be made to each other. Each embodiment focuses on the differences from other embodiments.

[0048] As described above, the above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An electrically released automobile hood lock, comprising a base plate (1) and a clamping plate (2) and a ratchet (3) rotatably mounted on the base plate (1) and used in conjunction with each other, characterized in that: An electric release assembly (4) is mounted on the base plate (1), and the electric release assembly (4) is used to drive the ratchet (3) to unlock the hood lock; the electric release assembly (4) comprises a base body (41) fixed to the base plate (1), an electric release arm (42) hinged in the base body (41), and a drive motor (43) drivingly connected to the electric release arm (42); one end of the electric release arm (42) is provided with a drive part (421), and the drive part (421) extends toward the ratchet (3) and abuts against the end of the ratchet (3); when unlocking, the drive motor (43) drives the electric release arm (42) to rotate, and the electric release arm (42) drives the ratchet (3) to rotate, thereby unlocking the hood lock.

2. The electrically released automobile hood lock according to claim 1, characterized in that: The electric release assembly (4) further comprises a release gear (44) rotatably mounted in the seat body (41) and a cam swing arm (45) rotatably mounted on one side of the release gear (44); the drive motor (43) is drivingly connected to the release gear (44); a cam portion (441) is provided on the release gear (44); one end of the cam swing arm (45) abuts against the cam portion (441), and the other end thereof is drivingly connected to the electric release arm (42).

3. The electrically released automobile hood lock according to claim 2, characterized in that: A plug-in shaft (451) is provided at one end of the cam swing arm (45) away from the cam portion (441), and a plug-in slot (422) adapted to the plug-in shaft (451) is provided at one end of the electric release arm (42) away from the driving portion (421). The plug-in shaft (451) passes through the seat body (41) and is plugged into the plug-in slot (422).

4. The electrically released automobile hood lock according to claim 2, characterized in that: A worm (46) is mounted on the driving motor (43), and the worm (46) is meshed with the release gear (44).

5. The electrically released automobile hood lock according to claim 2, characterized in that: The drive motor (43), the release gear (44) and the cam swing arm (45) are located on the same side of the seat body (41), and the electric release arm (42) is located on the other side of the seat body (41). A seat cover plate (47) for covering the drive motor (43), the release gear (44) and the cam swing arm (45) is installed on the seat body (41); an automobile EKT (40) is installed on one side of the seat body (41), and the automobile EKT (40) is electrically connected to the drive motor (43).

6. The electrically released automobile hood lock according to claim 2, characterized in that: A release gear torsion spring (48) is installed between the release gear (44) and the seat body (41), and the release gear torsion spring (48) is used to reset the release gear (44); a cam swing arm torsion spring (49) is installed between the cam swing arm (45) and the seat body (41), and the cam swing arm torsion spring (49) always makes the cam swing arm (45) tend to move toward the cam portion (441).

7. The electrically released automobile hood lock according to claim 1, characterized in that: An emergency opening arm (5) is hinged on the base plate (1), and the emergency opening arm (5) is used for manual unlocking when the electric release component (4) fails; the emergency opening arm (5) is arranged close to the ratchet (3), and a pushing portion (501) for pushing the ratchet (3) is arranged on one side of the emergency opening arm (5).

8. The electrically released automobile hood lock according to claim 7, characterized in that: An emergency opening arm torsion spring (6) is installed between the emergency opening arm (5) and the seat body (41), and a mounting column (411) is provided on the seat body (41), and the emergency opening arm torsion spring (6) is sleeved on the mounting column (411); a ratchet torsion spring (7) is installed between the pawl (3) and the seat body (41), and the emergency opening arm (5) and the ratchet (3) are hinged on the base plate (1) through a ratchet hinge shaft (8), and the ratchet torsion spring (7) is sleeved on the hinge shaft (8).

9. The electrically released automobile hood lock according to claim 1, characterized in that: An upper cover plate (9) is installed on the outer side of the seat body (41), a card plate torsion spring (10) is installed between the upper cover plate (9) and the card plate (2), an arc-shaped protrusion (901) is provided on the upper cover plate (9), and the card plate torsion spring (10) is sleeved on the arc-shaped protrusion (901).

10. The electrically released automobile hood lock according to claim 1, characterized in that: The pawl (3) is provided with a locking portion (301), and the card plate (2) is provided with a first engaging portion (203) and a second engaging portion (204); the card plate (2) is provided with a first locking groove (201) and a second locking groove (202) which are connected to each other, and when the first engaging portion (203) engages with the locking portion (301), an external locking hook is placed in the first locking groove (201) in a semi-locked state; when the second engaging portion (204) engages with the locking portion (301), the external locking hook is placed in the second locking groove (202) in a fully locked state.

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