Lock system and motor vehicle

The combined design of the lock tongue component, the pawl component and the drive device solves the problem of the rear door lock of a motor vehicle failing to lock due to incorrect operation, realizes the electric and manual locking functions, and provides emergency unlocking, thereby improving vehicle safety.

CN119531683BActive Publication Date: 2025-09-16SHANGHAI INGIN AUTO TECH CO LTD
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Patent Information

Application Number
CN202510052775.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2025-01-07
Filing Date
2025-01-14
Publication Date
2025-09-16
Estimated Expiration
2045-01-14

AI Technical Summary

Technical Problem

When the tailgate lock of a motor vehicle is not operated correctly, the lock tongue may be in an unexpected position, causing the tailgate lock to be unable to lock, posing a safety hazard during driving.

Method used

The lock system uses a lock tongue component, a pawl component and a drive device, and realizes electric locking and unlocking of the lock system through components such as a drive cam, a drive worm gear and a transmission gear. The inclined surface design ensures smooth rotation of the lock tongue when it is in the wrong position. The emergency unlocking knob and position detection switch are combined to ensure safety.

Benefits of technology

It effectively solves the locking problem when the lock tongue is in the wrong position, ensures that the tailgate lock can work normally, improves the safety of the vehicle during driving, and provides an emergency unlocking function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure provides a lock system and a motor vehicle. The lock system includes a bolt component, a pawl component, and a drive device. The drive device is used to drive the pawl component to rotate so that the lock system is unlocked. The drive device is also used to drive the bolt component to rotate so that the lock system is locked. The drive device includes a drive cam having a third rotation axis. The drive cam includes a first drive surface and a second drive surface. The bolt component has a bolt force-bearing surface and a bolt force-applying surface. The second drive surface cooperates with the bolt force-bearing surface to push the bolt component to rotate and lock the lock system. The first drive surface of the drive cam includes a first inclined surface. When the bolt force-applying surface of the bolt component contacts the first drive surface, the bolt force-applying surface of the bolt component can apply positive pressure to the first inclined surface, causing the drive cam to move along the third rotation axis.
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Description

Technical Field

[0001] The present disclosure relates to a locking system and a motor vehicle. Background Art

[0002] With the development of intelligent and automated technologies in motor vehicles, the back doors (rear doors / trunks) of motor vehicles have begun to adopt back door locks with electric opening and closing functions.

[0003] Generally, these tailgate locks are only equipped with a drive motor, and unlock and lock the tailgate lock by rotating the drive motor in the forward and reverse directions. However, if the tailgate lock of a vehicle is not operated correctly during use, the lock tongue may be in an undesirable position, and the drive motor will not be able to drive the lock tongue to rotate and lock the tailgate, and the tailgate lock will be unable to lock.

[0004] In this case, since the tailgate lock cannot be closed, there will be certain dangers when driving the vehicle to the repair site. Summary of the Invention

[0005] The present disclosure provides a locking system and a motor vehicle.

[0006] According to one aspect of the present disclosure, there is provided a lock system comprising:

[0007] a locking tongue component having a first rotation axis and including at least an unlocked position and a locked position;

[0008] a pawl component having a second rotation axis, wherein the pawl component is at least used to restrict the bolt component to a locked position; and

[0009] a driving device for driving the pawl component to rotate so that the lock system is unlocked; and the driving device is also used to drive the bolt component to rotate so that the lock system is locked;

[0010] In which, the driving device includes a driving cam, and the driving cam has a third rotation axis; the driving cam includes a first driving surface and a second driving surface, and the lock tongue component has a lock tongue force-bearing surface and a lock tongue force-exerting surface, and the second driving surface cooperates with the lock tongue force-bearing surface to push the lock tongue component to rotate and lock the lock system; the first driving surface of the driving cam includes a first inclined surface, and when the lock tongue force-exerting surface of the lock tongue component contacts the first driving surface, the lock tongue force-exerting surface of the lock tongue component can apply positive pressure to the first inclined surface and cause the driving cam to move in the direction of the third rotation axis.

[0011] According to the locking system of at least one embodiment of the present disclosure, the driving device also includes a shaft component, and the driving cam is rotatably and slidably arranged on the shaft component; wherein the driving device also includes a driving worm gear, and the driving worm gear is rotatably and slidably arranged on the shaft component, and a spring is arranged between the driving worm gear and the driving cam, and the spring is in a pre-compressed state.

[0012] According to the lock system of at least one embodiment of the present disclosure, the first inclined surface is configured such that when the lock tongue component rotates in the locking direction, the lock tongue component drives the driving cam to move in a direction approaching the driving worm gear.

[0013] According to the lock system of at least one embodiment of the present disclosure, the lock tongue force-applying surface includes a second inclined surface, and the second inclined surface cooperates with the first inclined surface.

[0014] According to the lock system of at least one embodiment of the present disclosure, the driving device further includes:

[0015] A driving motor is provided with a driving worm on its output shaft, and the driving worm cooperates with the driving worm wheel, wherein when the driving worm wheel moves along the third rotation axis, the driving worm wheel can be disengaged from the driving worm.

[0016] According to at least one embodiment of the present disclosure, the lock system further includes:

[0017] The transmission gear has a fifth rotation axis, wherein the transmission gear has a driving gear and a driven gear, the driving worm gear is used to drive the driving gear to rotate, and the driven gear is used to drive the driving cam to rotate; wherein the driving gear and the driven gear rotate synchronously.

[0018] According to at least one embodiment of the present disclosure, the lock system further includes:

[0019] An emergency unlocking knob is used to drive the driving worm gear to move along the third rotation axis so that the driving worm gear is disengaged from the driving worm.

[0020] According to at least one embodiment of the present disclosure, the lock system further includes:

[0021] An unlocking lever component, wherein the unlocking lever component and the pawl component have the same rotation axis, wherein the unlocking lever component is at least used to drive the pawl component to move from the first pawl position to the second pawl position.

[0022] According to the lock system of at least one embodiment of the present disclosure, when the unlocking lever component rotates in a direction away from the lock tongue component, the unlocking lever component can drive the emergency unlocking knob to rotate, so that the driving worm wheel is disengaged from the driving worm.

[0023] According to at least one embodiment of the present disclosure, the lock system further includes:

[0024] The toggle lever component has a fourth rotation axis, wherein the driving cam is used to drive the toggle lever component to rotate, and drives the pawl component to rotate through the rotation of the toggle lever component.

[0025] According to the lock system of at least one embodiment of the present disclosure, one end of the toggle lever component is formed as an outwardly convex curved surface, and the one end of the toggle lever component is slidably disposed in the groove of the pawl component.

[0026] According to at least one embodiment of the present disclosure, the lock system further includes:

[0027] A lock tongue position detection switch is triggered when the lock tongue component is in the unlocked position.

[0028] According to the lock system of at least one embodiment of the present disclosure, the lock tongue component includes a first lock tongue feature and a second lock tongue feature. When the pawl component cooperates with the first lock tongue feature, the pawl component is used to limit the lock tongue component to a fully locked position. When the pawl component cooperates with the second lock tongue feature, the pawl component is used to limit the lock tongue component to a semi-locked position, wherein the engagement amount of the pawl component with the first lock tongue feature is greater than the engagement amount of the pawl component with the second lock tongue feature.

[0029] According to at least one embodiment of the present disclosure, the lock system further includes:

[0030] The pawl position detection switch is used to detect that the lock system is in a fully locked state according to the signal of the pawl position detection switch.

[0031] According to at least one embodiment of the present disclosure, the lock system further includes:

[0032] The first cam position detection switch is triggered when the driving cam is in the position where the driving pawl component is located to release the lock tongue component; the first cam position detection switch is triggered when the driving cam is in the position where the driving lock tongue component is located to lock.

[0033] According to at least one embodiment of the present disclosure, the lock system further includes:

[0034] The second cam position detection switch is not triggered when the driving cam is in a position close to the toggle lever component.

[0035] According to another aspect of the present disclosure, a motor vehicle is provided, which includes the above-mentioned locking system. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0037] Figure 1 Schematic diagram of a lock system according to an embodiment of the present disclosure.

[0038] Figure 2 2 is a schematic structural diagram of a lock system according to an embodiment of the present disclosure from another angle.

[0039] Figure 3 Schematic diagram of a locking system according to an embodiment of the present disclosure.

[0040] Figure 4 is a schematic diagram of a lock system according to an embodiment of the present disclosure from another angle.

[0041] Figure 5 It is a partial structural diagram of a lock system according to one embodiment of the present disclosure.

[0042] Figure 6 2 is a structural schematic diagram of a partial structure of a lock system according to an embodiment of the present disclosure from another angle.

[0043] Figure 7 2 is a schematic structural diagram of an unlocking cam of a lock system according to an embodiment of the present disclosure.

[0044] Figure 8 1 is a schematic structural diagram of a lock tongue component according to an embodiment of the present disclosure.

[0045] Figure 9 2 is a schematic structural diagram of an unlocking lever component and a pawl component according to an embodiment of the present disclosure.

[0046] Figure 10 It is a structural schematic diagram of an unlocking lever component according to an embodiment of the present disclosure.

[0047] Figure 11 2 is a schematic structural diagram of a pawl component according to an embodiment of the present disclosure.

[0048] The specific reference numerals in the figure are:

[0049] 100 Lock Case

[0050] 200 Lock bolt parts

[0051] 201 Lock bolt stress surface

[0052] 202 Lock bolt force surface

[0053] 203 First Lock Tongue Features

[0054] 204 Second lock tongue feature

[0055] 300 pawl parts

[0056] 310 pawl groove

[0057] 350 unlocking lever assembly

[0058] 351 Unlock lever raised

[0059] 400 drive unit

[0060] 410 drive motor

[0061] 420 Drive Worm

[0062] 430 Drive worm gear

[0063] 440 transmission gear

[0064] 450 Drive Cam

[0065] 451 First driving surface

[0066] 452 Second driving surface

[0067] 460 shaft components

[0068] 470 Spring

[0069] 500 Toggle lever parts

[0070] 600 Emergency release knob

[0071] 700 Lock tongue position detection switch

[0072] 800 Pawl Position Detection Switch

[0073] 900 First cam position detection switch

[0074] 910 Second cam position detection switch. DETAILED DESCRIPTION

[0075] The present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the relevant content and are not intended to limit the present disclosure. It should also be noted that, for ease of description, only the portions relevant to the present disclosure are shown in the accompanying drawings.

[0076] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0077] Unless otherwise stated, the exemplary embodiments / examples shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of the various embodiments / examples may be further combined, separated, interchanged, and / or rearranged without departing from the technical concepts of the present disclosure.

[0078] The use of cross hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise indicated, the presence or absence of cross hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the order described. In addition, the same figure numbers represent the same components.

[0079] When a component is referred to as being “on,” “over,” “connected to,” or “coupled to” another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being “directly on,” “directly connected to,” or “directly coupled to” another component, there are no intervening components present. For this purpose, the term “connected” may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0080] For descriptive purposes, the present disclosure may use spatially relative terms such as "below," "beneath," "under," "down," "above," "upper," "above," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the drawings is turned over, a component described as "below" or "beneath" another component or feature would then be positioned "above" the other component or feature. Thus, the exemplary term "below" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and as such, the spatially relative descriptors used herein should be interpreted accordingly.

[0081] The terms used herein are for the purpose of describing specific embodiments and are not intended to be restrictive. As used herein, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, the features, integral bodies, steps, operations, parts, assemblies and / or their groups stated are explained, but the presence or addition of one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups is not excluded. It should also be noted that, as used herein, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0082] Figure 1 Schematic diagram of a lock system according to an embodiment of the present disclosure. Figure 2 2 is a schematic structural diagram of a lock system according to an embodiment of the present disclosure from another angle. Figure 3 Schematic diagram of a locking system according to an embodiment of the present disclosure. Figure 4 is a schematic diagram of a lock system according to an embodiment of the present disclosure from another angle. Figure 5 It is a partial structural diagram of a lock system according to one embodiment of the present disclosure. Figure 6 2 is a structural schematic diagram of a partial structure of a lock system according to an embodiment of the present disclosure from another angle. Figure 7 2 is a schematic structural diagram of an unlocking cam of a lock system according to an embodiment of the present disclosure. Figure 8 2 is a schematic structural diagram of a locking tongue component 200 according to an embodiment of the present disclosure.

[0083] like Figures 1 to 8 As shown, the lock system of the present disclosure can lock or unlock the back door of a motor vehicle (vehicle) to or from the vehicle body when in use, wherein the back door can also be called a luggage compartment door. In other words, the lock system of the present disclosure can also be called a back door lock.

[0084] The lock system disclosed herein may include a lock housing 100, a lock tongue component 200, a pawl component 300, and a drive device 400. The lock housing 100 can be secured to a vehicle body or tailgate, thereby enabling the lock system disclosed herein to be secured. The latch is then secured to the tailgate or vehicle body, allowing the latch to be locked and unlocked by the lock system.

[0085] In the present disclosure, the lock tongue component 200 is rotatably disposed on the lock housing 100 and has a first rotation axis. The lock tongue component 200 of the present disclosure includes at least an unlocked position and a locked position. In a preferred embodiment, the locked position may include a fully locked position and a half-locked position. At this time, the rotation direction of the lock tongue component 200 can be divided into a locking direction and an unlocking direction, with the lock tongue component 200 being the first rotation axis. Figure 3 As shown in the figure, the locking direction is clockwise and the unlocking direction is counterclockwise.

[0086] When the bolt component 200 rotates along the locking direction, it can move successively to the half-lock position and the fully locked position from the unlocking position. On the contrary, when the bolt component 200 rotates along the unlocking direction, it can move successively to the half-lock position and the unlocking position from the fully locked position.

[0087] The pawl component 300 of the present disclosure is rotatably disposed on the lock housing 100 and has a second rotation axis. The first rotation axis and the second rotation axis may be parallel to each other. The pawl component 300 is used to restrict the bolt component 200 to a locked position.

[0088] Specifically, the pawl component 300 has a first pawl position and a second pawl position, wherein, when the pawl component 300 is in the first pawl position, the pawl component 300 can cooperate with the lock tongue component 200 and limit the lock tongue component 200 to a fully locked position or a half-locked position, and when the pawl component 300 is in the second pawl position, the pawl component 300 can be away from the lock tongue component 200, and the lock tongue component 200 will be able to rotate freely. For example, the lock tongue component 200 can rotate in the unlocking direction under the action of the reset force provided by the reset spring 470.

[0089] The driving device 400 is used to drive the pawl component 300 to rotate so that the lock system is unlocked; specifically, the driving device 400 of the present disclosure can drive the toggle rod component 500 to rotate, and the rotation of the toggle rod component 500 can cause the pawl component 300 to rotate.

[0090] In the present disclosure, the toggle lever component 500 is rotatably disposed on the lock housing 100 and has a fourth rotation axis, which can be parallel or substantially parallel to the first rotation axis. Figure 6 In the direction shown, when the lock system of the present invention is unlocked, the toggle lever component 500 will be driven and rotated counterclockwise, and the toggle lever component 500 will drive the pawl component 300 to rotate clockwise. Accordingly, the pawl component 300 will move from the first pawl position to the second pawl position.

[0091] In a preferred embodiment, one end of the toggle lever component 500 (eg Figure 6 The lower end in the direction shown) is formed into an outwardly convex curved surface, and one end of the toggle lever component 500 is slidably disposed in the groove of the pawl component 300, thereby, the toggle lever component 500 of the present disclosure will not fall out from the pawl component 300.

[0092] The structure of the driving device disclosed herein will be described below with reference to the accompanying drawings.

[0093] like Figure 6 As shown, the driving device of the present disclosure may include: a driving motor 410 , a driving worm 420 , a driving worm wheel 430 , a transmission gear 440 , a driving cam 450 and other structures.

[0094] Specifically, the drive motor 410 of the present disclosure may be a DC motor. A drive worm 420 is disposed on the output shaft of the drive motor 410 . The drive worm 420 cooperates with a drive worm gear 430 . In this case, the rotation axis of the drive motor 410 is perpendicular or substantially perpendicular to the rotation axis (third rotation axis) of the drive worm gear 430 .

[0095] The transmission gear 440 of the present disclosure is rotatably mounted on the lock housing 100 and has a fifth axis of rotation. In one specific embodiment, the transmission gear 440 includes a driving gear and a driven gear. The driving worm gear 430 is used to drive the driving gear, and the driven gear is used to drive the driving cam 450. The driving gear and the driven gear rotate synchronously. For example, the driving gear and the driven gear can be integrally formed.

[0096] Specifically, the driving device of the present invention also includes a small gear coaxially arranged with the driving worm gear 430, wherein the small gear rotates synchronously with the driving worm gear 430, and at this time, the small gear can engage with the driving gear; and the driven gear engages with the driving cam 450, so that the driven gear can drive the driving cam 450 to rotate.

[0097] The drive device 400 of the present disclosure further includes a shaft component 460, the central axis of which serves as the third rotation axis. Accordingly, the drive worm gear 430 and the drive cam 450 can be coaxially arranged. Specifically, the drive cam 450 is rotatably and slidably mounted on the shaft component 460; the drive worm gear 430 is rotatably and slidably mounted on the shaft component 460. A spring 470 is disposed between the drive worm gear 430 and the drive cam 450, and the spring 470 is in a pre-compressed state. In other words, the spring 470 of the present disclosure can consistently apply thrust to the drive worm gear 430 and the drive cam 450, thereby causing the drive worm gear 430 and the drive cam 450 to tend to move away from each other.

[0098] Refer again Figure 6 The drive device 400 of the present disclosure is also used to drive the lock tongue component 200 to rotate, thereby locking the lock system; that is, the lock system of the present disclosure can achieve electric locking and electric unlocking. Of course, the lock system of the present disclosure can also be locked manually. In this case, by applying a driving force to the back door, the lock catch will drive the lock tongue component 200 to rotate in the locking direction, thereby locking the lock system.

[0099] Specifically, Figure 6 In the direction shown, when the driving cam 450 rotates clockwise, it can push the lock tongue component 200 to rotate counterclockwise, and the lock system can be electrically locked. In the opposite direction of movement, when the driving cam 450 rotates counterclockwise, it can push the toggle lever component 500 to rotate counterclockwise, and the counterclockwise rotation of the toggle lever component 500 drives the pawl component 300 to rotate clockwise, thereby unlocking the lock system.

[0100] In this disclosure, Figure 7 and Figure 8 As shown, the driving cam 450 includes a first driving surface 451 and a second driving surface 452. Under normal working conditions, the first driving surface 451 will be able to contact the toggle lever component 500 and apply a thrust to the toggle lever component 500 to rotate the toggle lever component 500. Similarly, the second driving surface 452 will be able to cooperate with the lock bolt force-bearing surface 201 of the lock bolt component 200 to push the lock bolt component 200 to rotate and lock the lock system.

[0101] That is, when the lock system is in a normal operating state, the driving component of the driving cam 450 (i.e., the first driving surface and the second driving surface) will be between the force-bearing component of the lock tongue component 200 (i.e., the lock tongue force-bearing surface and the lock tongue force-applying surface) and the toggle lever component 500. At this time, the first driving surface 451 and the lock tongue force-applying surface 202 will be separated. However, when the lock system is in an incorrect position, the force-bearing component of the lock tongue component 200 will be located between the driving component of the driving cam 450 and the toggle lever component 500. At this time, the driving cam 450 not only cannot drive the lock tongue component 200 to lock, but also hinders the lock tongue component 200 from rotating in the locking direction, causing the lock system to be unable to lock.

[0102] To address this, the first driving surface 451 of the driving cam 450 of the present disclosure includes a first inclined surface. When the lock tongue force-applying surface 202 of the lock tongue component 200 contacts the first driving surface 451, the lock tongue force-applying surface 202 of the lock tongue component 200 can apply positive pressure to the first inclined surface, causing the driving cam 450 to move along the direction of the third rotation axis. As a result, the lock tongue component 200 of the present disclosure can drive the driving cam 450 to a position where the lock tongue component 200 is not in the same plane. At this time, the driving cam 450 will not affect the lock tongue component 200's rotation in the locking direction. Accordingly, the lock tongue component 200 can be locked smoothly.

[0103] Specifically, the first inclined surface is configured such that when the lock tongue component 200 rotates in the locking direction, the lock tongue component 200 drives the driving cam 450 to move in a direction approaching the driving worm gear 430. In other words, the first inclined surface of the driving cam 450 of the present disclosure is no longer parallel to the third rotation axis, but has a preset angle with the third rotation axis, and the first inclined surface cannot be perpendicular to the third rotation axis.

[0104] The driving cam 450 of the present disclosure may have a tooth structure formed on its outer circumference, which can mesh with a driven gear, thereby driving the driving cam 450 to rotate. Alternatively, the driving cam 450 may be provided separately from a gear component having a tooth structure, and the gear component can drive the driving cam 450 to rotate.

[0105] In a preferred embodiment, the number of teeth of the driving gear is greater than the number of teeth of the driven gear. Accordingly, through the setting of the transmission gear disclosed in the present invention, the rotation speed of the driving worm gear 430 will be greater than the rotation of the driving cam 450, thereby realizing the speed reduction transmission from the driving worm gear 430 to the driving cam 450.

[0106] In the present disclosure, the bolt force-applying surface 202 includes a second inclined surface that cooperates with the first inclined surface. In other words, the second inclined surface of the present disclosure can have substantially the same inclined direction and angle as the first inclined surface.

[0107] In the present disclosure, when the driving worm wheel 430 moves along the third rotation axis, the driving worm wheel 430 can be separated from the driving worm 420. Specifically, when the driving worm wheel 430 moves along the third movement axis in a direction close to the driving cam 450, the driving worm wheel 430 can be separated from the driving worm 420.

[0108] In one embodiment, the lock system further includes an emergency unlocking knob 600, which is used to drive the drive worm gear 430 to move along the third rotation axis to disengage the drive worm gear 430 from the drive worm 420. That is, in an emergency, such as when the lock system is locked and the power is off, the emergency unlocking knob 600 can be rotated to disengage the drive worm gear 430 from the drive worm 420. At this time, the transmission system will not self-lock. The pawl component 300 can then be moved (or the unlocking lever component 350 described below can be moved) and driven to the second pawl position. At this time, the lock tongue component 200 will rotate and unlock, thereby achieving the emergency unlocking function of the lock system.

[0109] Figure 9 2 is a schematic structural diagram of an unlocking lever component and a pawl component according to an embodiment of the present disclosure. Figure 10 It is a structural schematic diagram of an unlocking lever component according to an embodiment of the present disclosure. Figure 11 2 is a schematic structural diagram of a pawl component according to an embodiment of the present disclosure.

[0110] In a preferred embodiment, Figures 9 to 11 As shown, the lock system of the present disclosure may further include an unlocking lever component 350, which is rotatably mounted on the lock housing 100 and has the same rotation axis as the pawl component 300. In this case, when the driving cam 450 drives the pawl component 300 from the first pawl position to the second pawl position, the pawl component 300 does not drive the unlocking lever component 350 to rotate. At the same time, when the unlocking lever component 350 is driven and rotated in a direction away from the bolt component 200, the unlocking lever component 350 drives the pawl component 300 from the first pawl position to the second pawl position, thereby unlocking the lock system.

[0111] Furthermore, when the unlocking lever component 350 rotates, it can cooperate with the emergency unlocking knob 600 to drive the emergency unlocking knob 600 to rotate. Specifically, when the lock system of the present disclosure is emergency unlocked, the unlocking lever component 350 can be directly toggled to move the pawl component 300 from the first pawl position to the second pawl position. At the same time, the unlocking lever component 350 will drive the emergency unlocking knob 600 to rotate, thereby enabling the lock system of the present disclosure to be emergency unlocked.

[0112] In a preferred embodiment, the unlocking lever component 350 has an unlocking lever protrusion 351, and correspondingly, the pawl component 300 has a pawl groove 310. The unlocking lever protrusion 351 can slide in the pawl groove 310 and can be limited by a side wall of the pawl groove 310. Thus, the unlocking lever component 350 can drive the pawl component 300 to rotate. In the opposite direction, when the pawl component 300 moves from the second pawl position to the first pawl position, it can drive the unlocking lever component 350 to move to a position close to the lock tongue component 200.

[0113] In one embodiment, the lock system further includes: a lock tongue position detection switch 700. When the lock tongue component 200 is in the unlocked position, the lock tongue position detection switch 700 is triggered. At this time, the lock tongue can be detected to be in the unlocked state through the lock tongue position detection switch 700.

[0114] The lock system of the present disclosure further includes a pawl position detection switch 800 . When the lock system is in a fully locked state, the pawl position detection switch 800 is not triggered; when the lock system is in a half-locked state or an unlocked state, the pawl position detection switch 800 is triggered.

[0115] In addition, the lock system of the present disclosure may further include: a first cam position detection switch 900 and a second cam position detection switch 910; wherein, when the driving cam 450 is in the position driving the pawl component 300 to release the lock tongue component 200, the first cam position detection switch 900 is triggered; when the driving cam 450 is in the locking position driving the lock tongue component 200, the first cam position detection switch 900 is triggered. In other words, the first cam position detection switch 900 can be considered a neutral switch, that is, when the driving cam 450 is in the neutral position, the first cam position detection switch 900 will not be triggered.

[0116] That is to say, the outer peripheral surface of the driving cam 450 of the present disclosure is provided with a driving feature, which is formed as a protrusion or groove on the outer peripheral surface of the driving cam 450. The first cam position detection switch 900 and the second cam position detection switch 910 will cooperate with the driving feature of the driving cam 450 so that when the driving cam 450 rotates, the first cam position detection switch 900 or the second cam position detection switch 910 can be triggered.

[0117] In addition, when the driving cam 450 is close to the toggle lever member 500 , the second cam position detection switch 910 is not triggered. In other words, whether the driving cam 450 is near the toggle lever member 500 can be obtained through the second cam position detection switch 910 .

[0118] In one embodiment, the lock housing 100 of the present disclosure may include an actuator housing and a lock body housing, wherein the actuator housing may be integrally formed with the lock body housing.

[0119] In a preferred embodiment, the lock tongue component 200 includes a first lock tongue feature 203 and a second lock tongue feature 204. When the pawl component 300 cooperates with the first lock tongue feature 203, the pawl component 300 is used to restrict the lock tongue component 200 to the fully locked position. When the pawl component 300 cooperates with the second lock tongue feature 204, the pawl component 300 is used to restrict the lock tongue component 200 to the partially locked position. The engagement amount of the pawl component 300 with the first lock tongue feature 203 is greater than the engagement amount of the pawl component 300 with the second lock tongue feature 204. In other words, when the lock system is in the fully locked position, the pawl component 300 is closer to the lock tongue component 200 than in the partially locked position.

[0120] Therefore, when the lock system is in the fully locked state, the pawl position detection switch 800 will not be triggered. When the pawl component 300 leaves this position, the pawl position detection switch 800 will be triggered. Therefore, through the signal change of the pawl position detection switch 800, it can be obtained whether the lock system is in the fully locked state.

[0121] According to another aspect of the present disclosure, a motor vehicle is provided, comprising the above-mentioned locking system.

[0122] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments / methods or examples. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.

[0123] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0124] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present disclosure and are not intended to limit the scope of the present disclosure. Other changes or modifications may be made based on the above disclosure, and such changes or modifications are still within the scope of the present disclosure.

Claims

1. A locking system, characterized in that: include: a locking tongue component having a first rotation axis and including at least an unlocked position and a locked position; a pawl component having a second rotation axis, wherein the pawl component is at least used to restrict the bolt component to a locked position; and a driving device for driving the pawl component to rotate so that the lock system is unlocked; and the driving device is also used to drive the bolt component to rotate so that the lock system is locked; In which, the driving device includes a driving cam, and the driving cam has a third rotation axis; the driving cam includes a first driving surface and a second driving surface, and the lock tongue component has a lock tongue force-bearing surface and a lock tongue force-exerting surface, and the second driving surface cooperates with the lock tongue force-bearing surface to push the lock tongue component to rotate and lock the lock system; the first driving surface of the driving cam includes a first inclined surface, and when the lock tongue force-exerting surface of the lock tongue component contacts the first driving surface, the lock tongue force-exerting surface of the lock tongue component can apply positive pressure to the first inclined surface and cause the driving cam to move in the direction of the third rotation axis.

2. The locking system according to claim 1, wherein: The driving device also includes a shaft component, and the driving cam is rotatably and slidably arranged on the shaft component; wherein, the driving device also includes a driving worm gear, and the driving worm gear is rotatably and slidably arranged on the shaft component, and a spring is arranged between the driving worm gear and the driving cam, and the spring is in a pre-compressed state.

3. The locking system according to claim 2, wherein: The first inclined surface is configured such that when the locking tongue component rotates in a locking direction, the locking tongue component drives the driving cam to move in a direction approaching the driving worm gear.

4. The locking system according to claim 3, wherein: The locking tongue force-applying surface includes a second inclined surface, and the second inclined surface cooperates with the first inclined surface.

5. The locking system according to claim 2, wherein: The driving device further comprises: A driving motor is provided with a driving worm on its output shaft, and the driving worm cooperates with the driving worm wheel, wherein when the driving worm wheel moves along the third rotation axis, the driving worm wheel can be disengaged from the driving worm.

6. The locking system according to claim 5, wherein: Also includes: The transmission gear has a fifth rotation axis, wherein the transmission gear has a driving gear and a driven gear, the driving worm gear is used to drive the driving gear to rotate, and the driven gear is used to drive the driving cam to rotate; wherein the driving gear and the driven gear rotate synchronously.

7. The locking system according to claim 5, wherein: Also includes: An emergency unlocking knob is used to drive the driving worm gear to move along the third rotation axis so that the driving worm gear is disengaged from the driving worm.

8. The locking system according to claim 7, wherein: Also includes: An unlocking lever component, wherein the unlocking lever component and the pawl component have the same rotation axis, wherein the unlocking lever component is at least used to drive the pawl component to move from the first pawl position to the second pawl position.

9. The locking system according to claim 8, wherein: When the unlocking lever component rotates in a direction away from the locking tongue component, the unlocking lever component can drive the emergency unlocking knob to rotate, so that the driving worm wheel is disengaged from the driving worm.

10. The locking system according to claim 1, wherein: Also includes: The toggle lever component has a fourth rotation axis, wherein the driving cam is used to drive the toggle lever component to rotate, and drives the pawl component to rotate through the rotation of the toggle lever component.

11. The locking system according to claim 10, wherein: One end of the toggle lever component is formed into an outwardly convex curved surface, and the one end of the toggle lever component is slidably arranged in the groove of the pawl component.

12. The locking system according to claim 1, wherein: Also includes: A lock tongue position detection switch is triggered when the lock tongue component is in the unlocked position.

13. The locking system according to claim 1, wherein: The lock tongue component includes a first lock tongue feature and a second lock tongue feature. When the pawl component cooperates with the first lock tongue feature, the pawl component is used to limit the lock tongue component to a fully locked position. When the pawl component cooperates with the second lock tongue feature, the pawl component is used to limit the lock tongue component to a semi-locked position, wherein the engagement amount of the pawl component with the first lock tongue feature is greater than the engagement amount of the pawl component with the second lock tongue feature.

14. The locking system according to claim 1, wherein: Also includes: The pawl position detection switch is used to detect that the lock system is in a fully locked state according to the signal of the pawl position detection switch.

15. The locking system according to claim 1, wherein: Also includes: a first cam position detection switch, which is triggered when the driving cam is in a position where the driving pawl component is located to release the latch component; When the driving cam is located at the locking position to drive the locking tongue component, the first cam position detection switch is triggered.

16. The locking system according to claim 1, wherein: Also includes: The second cam position detection switch is not triggered when the driving cam is in a position close to the toggle lever component.

17. A motor vehicle, characterized in that: A locking system comprising the locking system of any one of claims 1-16.

Citation Information

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