Car tailgate electric suction lock and car

Abstract

The present invention relates to an electric tailgate lock for an automobile and an automobile, comprising a lock body and a manual shifter. The lock body comprises a bolt unit and a locking unit. In a locked state, the locking unit cooperates with the bolt unit to prevent the bolt unit from switching to an unlocked state. The manual shifter movably cooperates with the lock body. The manual shifter is movable between an initial position and an end position relative to the lock body. The manual shifter is spaced apart from the locking unit when in the initial position. During the process of rotating the manual shifter from the initial position to the end position, the locking unit can be shifted, so that the locking unit releases its blocking effect on the bolt unit. An elastic return member is provided between the manual shifter and the lock body. The elastic return member provides an elastic force for the manual shifter to maintain its initial position. Therefore, when manual unlocking is not required, even if the manual shifter moves slightly, it will not touch the locking unit, effectively preventing the occurrence of mis-locking.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts, in particular to an electric suction lock for an automobile tailgate and an automobile. Background Art

[0002] After a car's tailgate is closed, it is locked by a lock. With the development of technology, locks used to lock the tailgate are generally equipped with drive units such as motors, and these electrical components achieve automatic locking. Electric suction locks are a type of lock that uses electrical components to automatically lock and unlock the tailgate. While the electrical components enable the lock to automatically lock and unlock, they also make it impossible to unlock the lock in the event of a power outage or electrical failure. To address this, a manual unlocking mechanism can be provided on the lock, which can be used to manually unlock the lock in the event of an electrical failure. However, electric suction locks with manual unlocking functions can be misused during use. Summary of the Invention

[0003] In view of the problem of mislocking of the above electric suction locks, the present invention proposes an electric suction lock for a car tailgate and a car to effectively avoid the mislocking situation.

[0004] The lock body is provided with a locking member and a manual shifter, wherein the locking member comprises a locking tongue unit and a locking unit, the locking member having a locked state and an unlocked state, wherein the locking unit cooperates with the locking tongue unit in the locked state to prevent the locking tongue unit from switching to the unlocked state, the manual shifter is movably cooperated with the lock body, the manual shifter is movable between an initial position and an end position relative to the lock body, the manual shifter located in the initial position is spaced apart from the locking unit, and the manual shifter is capable of shifting the locking unit during the process of rotating from the initial position to the end position, so that the locking unit releases its blocking effect on the locking tongue unit, and an elastic reset member is provided between the manual shifter and the lock body, the elastic reset member provides an elastic force for the manual shifter to be in the initial position.

[0005] In one embodiment, the lock body also includes a drive unit and a lock shell, the lock shell includes a lock head shell and a lock tail shell connected to each other, the lock tongue unit and the locking unit are both arranged in the lock head shell, the drive unit is arranged on the lock tail shell, the locking unit includes an emergency rod, an auxiliary through-hole is provided on the lock head shell, the emergency rod extends from the auxiliary through-hole to the outside of the lock head shell, the manual shifter is rotatably arranged outside the lock tail shell and can shift the locking unit through the emergency rod, so that the locking unit releases the blocking effect on the lock tongue unit, in the unlocked state, the drive unit can drive the lock tongue unit to move to the locked state, in the locked state, the drive unit can shift the locking unit through the emergency rod, so that the locking unit releases the blocking effect on the lock tongue unit.

[0006] In one embodiment, the drive unit includes a motor, a screw and a screw sleeve that cooperates with the screw, the screw sleeve is sleeved outside the screw, a worm is provided on the main shaft of the motor, the worm is coaxially arranged with the main shaft of the motor, one end of the screw is provided with a helical gear, the helical gear is engaged with the worm, the other end of the screw is the distal end, the manual shifter is located on the side of the motor close to the distal end of the screw, the screw sleeve is provided with a contact end, and the contact end is located between the lock tongue unit and the emergency rod in the axial direction of the screw.

[0007] In one embodiment, the manual dial includes a hand-held section and a toggle section that are connected to each other, the elastic reset member is arranged at the connection between the hand-held section and the toggle section, the toggle section is bent relative to the hand-held section in a direction away from the motor, and in the initial position, the toggle section and the emergency rod are arranged at intervals. During the process of the manual dial rotating from the initial position to the end position, the toggle section rotates in a direction close to the motor.

[0008] In one embodiment, a plane passing through the axis of the screw rod and parallel to the motor main shaft is a first reference plane, the interference end is bent toward one side of the first reference plane relative to the screw sleeve, and the toggle section is bent toward a side away from the first reference plane relative to the hand-held section, and the interference end and the toggle section are located on the same side of the first reference plane.

[0009] In one embodiment, the lock housing is provided with a lock slot for the lock rod to be inserted into, and both ends of the lock slot pass through the lock housing. The two outer plates on the lock housing passed through by the lock slot are respectively the first outer plate and the second outer plate. The lock tail housing is bent to one side relative to the lock housing so that the lock tail housing extends relative to the first outer plate in a direction away from the second outer plate. The auxiliary through-hole is located at the connection between the first outer plate and the lock tail housing, and the manual shifter is rotatably arranged on the side of the lock tail housing facing the first outer plate.

[0010] In one embodiment, the lock tongue unit includes a lock block and a connecting rod mechanism, the lock block is provided with a lock hole, the lock block is rotatably connected to the lock head housing via a first rotating shaft and the lock block has a tendency to return to the unlocked position, the locking unit further includes a stop block, the emergency lever is connected to the stop block, the stop block is rotatably connected to the lock head housing via a second rotating shaft, and the first rotating shaft and the second rotating shaft are respectively located on both sides of the lock slot;

[0011] The connecting rod mechanism includes a fixed axis connecting rod, a dynamic axis connecting rod and a locking input shaft, the locking input shaft is connected to the fixed axis connecting rod, and the axis of the locking input shaft is parallel to the axis of the emergency lever, the driving unit drives the lock tongue unit to move to a locked state by toggling the locking input shaft, the fixed axis connecting rod is rotatably connected to the lock head housing through a third rotating shaft, the dynamic axis connecting rod is rotatably connected to the fixed axis connecting rod through a fourth rotating shaft, the locking input shaft is located on a side of the third rotating shaft away from the first rotating shaft, and the fourth rotating shaft is located on a side of the third rotating shaft away from the stop block;

[0012] The electric tailgate lock further comprises an auxiliary connecting rod, one end of which is rotatably connected to the stop block, the other end of which is rotatably connected to the first end of the dynamic shaft connecting rod, and the second end of the dynamic shaft connecting rod is used to push the locking block to rotate the locking block;

[0013] A first abutment and a second abutment are provided on the lock block on a side close to the stop block, the second abutment is located on a side of the first abutment close to the lock port, and a stop portion is provided on the stop block on a side close to the lock block. When the electric suction lock of the tailgate of the automobile is in a semi-locked state, the stop portion abuts against the first abutment to prevent the lock block from switching to an unlocked state. When the electric suction lock of the tailgate of the automobile is in a locked state, the stop portion abuts against the second abutment to prevent the lock block from switching to the unlocked state.

[0014] In one embodiment, a lock detection member and a full lock detection member are further provided in the tailgate lock housing. When the electric suction lock of the automobile tailgate is in the locked state, the stop block triggers the lock detection member and the lock block triggers the full lock detection member. Both the lock detection member and the full lock detection member are electrically connected to the drive unit.

[0015] And / or a half-lock detection component is further provided in the lock tail housing. When the automobile tailgate electric suction lock is in the half-lock state, the lock block triggers the half-lock detection component, and the half-lock detection component is electrically connected to the drive unit.

[0016] In one embodiment, the elastic return member includes a torsion spring.

[0017] A car comprises the above-mentioned electric suction lock for the tailgate.

[0018] The above-mentioned solution provides an electric tailgate lock and an automobile. By adopting the manual shifter, when manual unlocking is not required, the manual shifter is spaced apart from the locking unit under the action of the elastic return member. Even if the manual shifter moves slightly, it will not contact the locking unit, effectively preventing the possibility of mis-locking. When manual unlocking is required, the manual shifter is shifted again, causing it to contact the locking unit and move the locking unit until the locking unit releases its blocking effect on the bolt unit, thereby allowing the lock body to switch to the unlocked state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the electric suction lock for the tailgate of a car according to this embodiment;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the electric suction lock of the tailgate of the automobile hidden behind the first outer panel;

[0023] Figure 3 This is a schematic structural diagram of an electric tailgate lock for a car according to another embodiment;

[0024] Figure 4 This is a schematic structural diagram of an electric tailgate lock for a car according to another embodiment;

[0025] Figure 5 for Figure 4 The diagram shows the structure of the electric suction lock of the car tailgate from another perspective.

[0026] Description of reference numerals:

[0027] 10. Electric tailgate lock; 11. Lock tongue unit; 111. Lock block; 1111. Lock opening; 1112. First rotating shaft; 1113. First abutting portion; 1114. Second abutting portion; 112. Fixed axis connecting rod; 1121. Third rotating shaft; 113. Dynamic axis connecting rod; 1131. Fourth rotating shaft; 114. Locking input shaft; 115. Auxiliary connecting rod; 12. Locking unit; 121. Emergency lever; 122. Stop block; 1221. Second rotating shaft; 122 2. Stopper; 13. Manual shifter; 131. Elastic reset member; 132. Hand-held section; 133. Toggle section; 14. Drive unit; 141. Motor; 142. Screw rod; 143. Screw sleeve; 1431. Interference end; 144. Bevel gear; 15. Lock housing; 151. Lock head shell; 1511. First outer plate; 1512. Second outer plate; 1513. Auxiliary perforation; 1514. Lock slot; 152. Lock tail shell; 16. Full lock detection part. DETAILED DESCRIPTION

[0028] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] like Figure 1 and Figure 2 As shown in FIG. 1 , in one embodiment, a car tailgate electric suction lock 10 is provided, comprising a lock body. Figure 4 As shown, the lock body includes a lock tongue unit 11 and a locking unit 12, and the lock body has a locked state and an unlocked state. In the locked state, the locking unit 12 cooperates with the lock tongue unit 11 to prevent the lock tongue unit 11 from switching to the unlocked state. Figure 1 As shown, the electric tailgate lock 10 further includes a manual shifter 13, which is movably matched with the lock body and can move between an initial position and an end position relative to the lock body. Figure 1 and Figure 2As shown, the manual shifter 13 in the initial position is spaced apart from the locking unit 12. During the rotation of the manual shifter 13 from the initial position to the final position, the locking unit 12 can be shifted, so that the locking unit 12 releases the blocking effect on the lock tongue unit 11, thereby allowing the lock tongue unit 11 to move to the unlocked position, thereby completing the manual unlocking process.

[0030] An elastic return member 131 is provided between the manual shift member 13 and the lock body, and the elastic return member 131 provides elastic force for the manual shift member 13 to be in the initial position.

[0031] The above-mentioned solution provides an electric tailgate lock 10 for automobiles. By employing the manual shifter 13, when manual unlocking is not required, the manual shifter 13 is spaced apart from the locking unit 12 under the action of the elastic return member 131. Even if the manual shifter 13 moves slightly, it will not contact the locking unit 12, effectively preventing the possibility of mis-locking. When manual unlocking is required, the manual shifter 13 is shifted again, causing it to contact the locking unit 12 and move the locking unit 12 until the locking unit 12 releases its blocking effect on the bolt unit 11, thereby enabling the lock body to switch to an unlocked state.

[0032] Specifically, the manual shifter 13 can be rotatably mounted on the lock body. The elastic return member 131 can be a torsion spring. The torsion spring is mounted on the axis of rotation of the manual shifter 13 relative to the lock body, so that the manual shifter 13 returns to the initial position when the external force is removed.

[0033] Furthermore, in one embodiment, Figures 1 to 3 As shown, the lock body further includes a drive unit 14 and a lock housing 15. Figure 1 As shown, the lock housing 15 includes a lock head housing 151 and a lock tail housing 152 connected to each other. Figure 2 As shown, the locking tongue unit 11 and the locking unit 12 are both arranged in the lock head housing 151 , and the driving unit 14 is arranged on the lock tail housing 152 .

[0034] The locking unit 12 includes an emergency lever 121. An auxiliary through-hole 1513 is provided on the lock housing 15. The emergency lever 121 extends from the auxiliary through-hole 1513 to the exterior of the lock housing 15. In the unlocked state, the drive unit 14 can drive the lock tongue unit 11 to the locked state. In the locked state, the drive unit 14 can use the emergency lever 121 to move the locking unit 12, causing the locking unit 12 to release its blocking effect on the lock tongue unit 11. When the drive unit 14 is able to normally drive the lock tongue unit 11 and the lock unit 12, the movement of the electric tailgate lock 10 occurs within the lock housing 15. The lock housing 15 protects the lock tongue unit 11, the lock unit 12, and the drive unit 14 on the inside.

[0035] Furthermore, the manual shifter 13 is rotatably disposed outside the lock housing 15 , and the manual shifter 13 can shift the locking unit 12 through the emergency lever 121 , so that the locking unit 12 releases the blocking effect on the bolt unit 11 .

[0036] The portion of the emergency lever 121 extending from the auxiliary through-hole 1513 outside the lock housing 15 is relatively short, effectively preventing accidental locking caused by accidental contact. When manual unlocking is required, the emergency lever 121 is indirectly pushed by shifting the manual shifter 13, thereby releasing the blocking effect of the locking unit 12 on the bolt unit 11, allowing the bolt unit 11 to move to the unlocked position.

[0037] Specifically, if Figure 1 As shown, the auxiliary through-hole 1513 is provided on the lock head housing 151 , and the manual shifter is provided on the lock tail housing 152 .

[0038] Furthermore, if Figure 1 and Figure 2 As shown, the lock housing 151 is provided with a lock slot 1514 for the locking rod to engage. Both ends of the lock slot 1514 extend through the lock housing 151. The two outer panels of the lock housing 151 traversed by the lock slot 1514 are a first outer panel 1511 and a second outer panel 1512. The tail lock housing 152 is bent toward one side relative to the lock housing 151, extending away from the second outer panel 1512 relative to the first outer panel 1511. The auxiliary through-hole 1513 is located at the junction of the first outer panel 1511 and the tail lock housing 152. The manual shifter 13 is rotatably disposed on the side of the tail lock housing 152 facing the first outer panel 1511.

[0039] When the electric tailgate lock 10 is installed on a vehicle, the rear lock housing 152 is connected to the trunk lid. The rear lock housing 152 is bent relative to the lock housing 151, forming an obtuse angle between the two. This allows the opening of the lock slot 1514 of the electric tailgate lock 10 to face downward after installation. The manual selector 13 is located on the side of the rear lock housing 152 facing away from the trunk lid, making it easily accessible for manual unlocking.

[0040] More specifically, in one embodiment, Figures 3 to 5 As shown, the drive unit 14 includes a motor 141, a screw 142 and a screw sleeve 143, and the screw sleeve 143 is sleeved outside the screw 142. A worm (not shown in the figure) is provided on the main shaft of the motor 141, and the worm is coaxially arranged with the main shaft of the motor 141. A bevel gear 144 is provided at one end of the screw 142, and the other end of the screw 142 is the distal end. When the bevel gear 144 rotates, the screw 142 rotates synchronously with the bevel gear. Specifically, the bevel gear 144 and the screw 142 can be an interference fit. The bevel gear 144 is meshed with the worm. The motor 141 is located at one end of the screw 142. When the motor 141 drives the screw sleeve 143 to move along the screw 142, the length of the entire drive unit 14 in the axial direction of the screw 142 remains unchanged, thereby reducing the space occupancy rate of the car tailgate electric suction lock 10.

[0041] The manual shifter 13 is located on the side of the motor 141 close to the far end of the screw rod 142. The manual shifter 13 will not interfere with the motor 141 during the rotation from the initial position to the end position. At the same time, the influence of the setting of the manual shifter 13 on the overall structural size of the car tailgate electric suction lock 10 is also reduced.

[0042] The screw sleeve 143 is provided with a contact end 1431, which is located between the lock tongue unit 11 and the emergency lever 121 in the axial direction of the screw rod 142. When the motor 141 rotates forward, the contact end 1431 moves along the axial direction of the screw rod 142 in a direction away from the emergency lever 121, pushing the lock tongue unit 11 to move, so that the lock tongue unit 11 switches from an unlocked state to a locked state. When unlocking is required, the motor 141 rotates reversely, and the contact end 1431 moves along the axial direction of the screw rod 142 to push the emergency lever 121 in a direction away from the lock tongue unit 11, so that the locking unit 12 releases its blocking effect on the lock tongue unit 11.

[0043] Furthermore, if Figure 1 and Figure 2As shown, in one embodiment, the manual selector 13 includes a grip section 132 and a toggle section 133 connected to each other. The elastic return member 131 is disposed at the connection between the grip section 132 and the toggle section 133. The toggle section 133 is bent relative to the grip section 132 in a direction away from the motor 141, such that in the initial position, the toggle section 133 is spaced apart from the emergency lever 121. When manual unlocking is required, the grip section 132 is toggled away from the motor 141, causing the manual selector 13 to rotate from the initial position to the final position. During this process, the toggle section 133 rotates toward the motor 141, pushing the emergency lever 121 to move.

[0044] More specifically, in one embodiment, the plane passing through the axis of the screw rod 142 and parallel to the main shaft of the motor 141 is the first reference plane. Figure 2 As shown, the interference end 1431 is bent toward one side of the first reference plane relative to the screw sleeve 143, and the toggle section 133 is bent toward the side away from the first reference plane relative to the hand-held section 132, and the interference end 1431 and the toggle section 133 are located on the same side of the first reference plane.

[0045] In order to make the tailgate electric lock 10 installed on the trunk lid of the car, the lock slot 1514 opens downwards and is set as follows Figure 1 and Figure 2 When the manual dial 13 is toggled, the hand-held section 132 rotates on a plane parallel to the first reference plane, and the emergency lever 121 is pushed by the toggling section arranged diagonally to the first reference plane.

[0046] Furthermore, if Figures 3 to 5 As shown, in one embodiment, the lock tongue unit 11 includes a lock block 111 and a linkage mechanism. The lock block 111 is provided with a lock opening 1111. The lock block 111 is rotatably connected to the lock housing 151 via a first rotating shaft 1112 and has a tendency to return to the unlocked position. The lock opening 1111 is located where the lock slot 1514 is located. When the lock rod is pressed into the lock slot 1514, the lock rod enters the lock opening 1111. As the lock rod moves further into the lock slot 1514, the lock block 111 is pushed by the lock rod and rotates relative to the lock housing 151. When the lock block 111 rotates until the opening of the lock opening 1111 faces away from the opening of the lock slot 1514, or when the orientation of the lock opening 1111 forms an obtuse angle with the orientation of the opening of the lock slot 1514, the lock rod is enclosed between the lock opening 1111 and the lock slot 1514.

[0047] The locking unit 12 also includes a stopper 122, which is connected to the emergency lever 121. The stopper 122 is rotatably connected to the lock housing 151 via a second rotating shaft 1221. When the driving unit 14 or the manual shifter 13 pushes the emergency lever 121 to move, the stopper 122 rotates. The first rotating shaft 1112 and the second rotating shaft 1221 are respectively located on either side of the lock slot 1514.

[0048] The lock tongue unit 11 also includes a connecting rod mechanism, which is located between the driving unit 14 and the locking block 111. When the automobile tailgate electric suction lock 10 is in an unlocked state or a semi-locked state, the driving unit 14 can indirectly drive the locking block 111 to rotate through the connecting rod mechanism, so that the locking block 111 can overcome the aforementioned tendency to return to the unlocked position and rotate to the locked position.

[0049] Specifically, if Figure 5 As shown, the linkage mechanism includes a fixed axis link 112, a dynamic axis link 113, and a locking input shaft 114. The locking input shaft 114 is connected to the fixed axis link 112, and the axis of the locking input shaft 114 is parallel to the axis of the emergency lever 121. The driving unit 14 drives the lock tongue unit 11 to a locked state by toggling the locking input shaft 114. The fixed axis link 112 is rotationally connected to the lock housing 151 via a third rotating shaft 1121, and the dynamic axis link 113 is rotationally connected to the fixed axis link 112 via a fourth rotating shaft 1131. The locking input shaft 114 is located on a side of the third rotating shaft 1121 away from the first rotating shaft 1112, and the fourth rotating shaft 1131 is located on a side of the third rotating shaft 1121 away from the stop block 122.

[0050] The electric tailgate lock 10 further includes an auxiliary link 115, one end of which is rotatably connected to the stop block 122, and the other end of which is rotatably connected to the first end of the dynamic shaft link 113. The second end of the dynamic shaft link 113 is used to push against the locking block 111, causing the locking block 111 to rotate.

[0051] When the driving unit 14 drives the lock tongue unit 11 to lock, the driving unit 14 pushes the locking input shaft 114 in the direction away from the emergency lever 121, and the fixed axis link 112 rotates relative to the lock head housing 151 with the third rotation axis 1121 as the rotation axis. At the same time, the dynamic axis link 113 rotates relative to the fixed axis link 112 with the fourth rotation axis 1131 as the rotation axis. Moreover, due to the existence of the auxiliary link 115, the second end of the dynamic axis link 113 can gradually abut against the lock block 111 during the rotation relative to the fixed axis link 112, and gradually push the lock block 111 to the position of the locked state. For example, in the case of Figure 5 At the angle shown, when the dynamic shaft connecting rod 113 pushes the locking block 111, the locking block 111 rotates in a clockwise direction.

[0052] Specifically, in one embodiment, Figure 3 and Figure 4 As shown, the abutment end 1431 is located between the emergency lever 121 and the locking input shaft 114 in the axial direction of the screw rod 142. When the motor 141 is running, the abutment end 1431 moves along the axial direction of the screw rod 142 to push the emergency lever 121 or the locking input shaft 114.

[0053] like Figure 5 As shown, the lock block 111 is provided with a first abutting portion 1113 and a second abutting portion 1114 on a side close to the stop block 122. The second abutting portion 1114 is located on a side of the first abutting portion 1113 close to the lock opening 1111. The stop block 122 is provided with a stop portion 1222 on a side close to the lock block 111. When the tailgate electric lock 10 is in a semi-locked state, the stop portion 1222 abuts against the first abutting portion 1113 to prevent the lock block 111 from switching to an unlocked state. Figure 5 The angle shown is to prevent the lock block 111 from rotating in the counterclockwise direction. When the tailgate electric lock 10 is in the locked state, the stopper 1222 abuts against the second abutting portion 1114 to prevent the lock block 111 from switching to the unlocked state. Figure 5 The angle shown is to prevent the locking block 111 from rotating in the counterclockwise direction.

[0054] When the locking rod enters the locking groove 1514 and the locking port 1111, as the locking rod continues to push into the locking groove 1514, the locking block 111 is pushed and rotated to a semi-locked state. At this time, the stop portion 1222 of the stop block 122 abuts against the first abutting portion 1113. If the stop block 122 does not release the stop on the lock tongue, the locking block 111 cannot rotate in the unlocking direction.

[0055] When the electric lock 10 of the tailgate of the automobile is in a semi-locked state, the driving unit 14 operates to push the locking input shaft 114 so that Figure 5 At the angle shown, the locking block 111 continues to rotate clockwise to the locking state.

[0056] Specifically, for example, in one embodiment, a half-lock detection member is provided in the tailgate lock housing 152. When the electric tailgate lock 10 is in the half-locked state, the lock block 111 triggers the half-lock detection member, which is electrically connected to the drive unit 14. Thus, when the electric tailgate lock 10 is in the half-locked state, the drive unit 14 operates according to the signal detected by the half-lock detection member, causing the lock block 111 to continue rotating to the locked state.

[0057] Furthermore, in one embodiment, a locking detection component and a full lock detection component 16 are also provided in the lock tail housing 152. When the automobile tailgate electric suction lock 10 is in the locked state, the stop block 122 triggers the locking detection component and the lock block 111 triggers the full lock detection component 16. The locking detection component and the full lock detection component 16 are both electrically connected to the drive unit 14.

[0058] As the automobile tailgate electric suction lock 10 continues to switch from the semi-locked state to the locked state, during this process, the stop portion 1222 of the stop block 122 gradually changes from contact with the first abutting portion 1113 to contact with the second abutting portion 1114. Only when the stop portion 1222 completely abuts against the second abutting portion 1114 to lock the lock block 111, the locking detection component is triggered. At the same time, the full lock detection component 16 is also triggered, which serves as a signal to indicate that the automobile tailgate electric suction lock 10 is in the locked state, and the drive unit 14 can stop the pushing action on the locking input shaft 114. Avoid the automobile tailgate electric suction lock 10 from not being engaged. The non-engagement mentioned here means that the stop portion 1222 does not completely abut against the side of the second abutting portion 1114 close to the lock port 1111, resulting in the following. Figure 5 At the angle shown, the locking block 111 can also rotate counterclockwise.

[0059] Specifically, the half-lock detection component may be a Hall sensor, the lock detection component may be a Hall sensor, and the full-lock detection component may be a Hall sensor.

[0060] If the lock needs to be released, the driving unit 14 is required to drive the emergency lever 121 to move, or the manual shifter 13 is manually shifted to push the emergency lever 121, so that the stop block 122 rotates, and the stop portion 1222 disengages from the second abutment portion 1114, so that the lock block 111 can be rotated and switched to the unlocked state under the drive of the lock rod.

[0061] Furthermore, in another embodiment, a car is provided, comprising the above-mentioned car tailgate electric suction lock 10. By adopting the car tailgate electric suction lock 10 described in any of the above-mentioned embodiments, the occurrence of mis-locking can be effectively avoided when manual unlocking is achieved.

[0062] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0063] 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 such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0064] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0065] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0066] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0067] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. An electric tailgate lock for a car, characterized in that: The lock body comprises a lock body and a manual dial, the lock body comprising a lock tongue unit and a locking unit, the lock body having a locked state and an unlocked state, the lock unit cooperating with the lock tongue unit in the locked state to prevent the lock tongue unit from switching to the unlocked state, the manual dial movably cooperating with the lock body, the manual dial being movable between an initial position and an end position relative to the lock body, the manual dial being spaced apart from the lock unit in the initial position, the manual dial being able to dial the lock unit during the process of rotating from the initial position to the end position, so that the lock unit releases the blocking effect on the lock tongue unit, an elastic return member is provided between the manual dial and the lock body, the elastic return member providing an elastic force for the manual dial to be in the initial position; The lock body also includes a drive unit and a lock housing, the lock housing includes a lock head housing and a lock tail housing connected to each other, the lock tongue unit and the locking unit are both arranged in the lock head housing, the drive unit is arranged on the lock tail housing, the locking unit includes an emergency rod, an auxiliary through-hole is provided on the lock head housing, the emergency rod extends from the auxiliary through-hole to the outside of the lock head housing, the manual dial is rotatably arranged outside the lock tail housing and can be used to toggle the locking unit through the emergency rod, so that the locking unit releases the blocking effect on the lock tongue unit, in the unlocked state, the drive unit can drive the lock tongue unit to move to the locked state, and in the locked state, the drive unit can be used to toggle the locking unit through the emergency rod, so that the locking unit releases the blocking effect on the lock tongue unit; The driving unit includes a motor, a screw and a screw sleeve, the screw sleeve is sleeved outside the screw, a worm is provided on the main shaft of the motor, the worm is coaxially arranged with the main shaft of the motor, one end of the screw is provided with a helical gear, the helical gear is engaged with the worm, the other end of the screw is the distal end, the manual shifter is located on the side of the motor close to the distal end of the screw, the screw sleeve is provided with a contact end, and the contact end is located between the lock tongue unit and the emergency lever in the axial direction of the screw; The lock housing is provided with a lock slot for the lock rod to be inserted into, and both ends of the lock slot pass through the lock housing. The two outer plates on the lock housing passed through by the lock slot are respectively the first outer plate and the second outer plate. The lock tail housing is bent to one side relative to the lock housing, so that the lock tail housing extends relative to the first outer plate in a direction away from the second outer plate. The auxiliary through-hole is located at the connection between the first outer plate and the lock tail housing, and the manual shifter is rotatably arranged on the side of the lock tail housing facing the first outer plate.

2. The electric tailgate lock according to claim 1, characterized in that: The helical gear and the screw rod are in interference fit.

3. The electric tailgate lock according to claim 1, characterized in that: The manual dial includes a hand-held section and a toggle section that are connected to each other. The elastic reset member is arranged at the connection between the hand-held section and the toggle section. The toggle section is bent relative to the hand-held section in a direction away from the motor. In the initial position, the toggle section and the emergency rod are arranged at intervals. During the process of the manual dial rotating from the initial position to the end position, the toggle section rotates in a direction close to the motor.

4. The electric tailgate lock according to claim 3, characterized in that: The plane passing through the axis of the screw rod and parallel to the main shaft of the motor is the first reference plane, the interference end is bent toward one side of the first reference plane relative to the screw sleeve, and the toggle section is bent toward the side away from the first reference plane relative to the hand-held section, and the interference end and the toggle section are located on the same side of the first reference plane.

5. The electric tailgate lock according to claim 1, characterized in that: The lock tongue unit includes a lock block and a connecting rod mechanism, the lock block is provided with a lock hole, the lock block is rotatably connected to the lock head housing via a first rotating shaft and the lock block has a tendency to return to the unlocked state, the lock unit also includes a stop block, the emergency lever is connected to the stop block, the stop block is rotatably connected to the lock head housing via a second rotating shaft, and the first rotating shaft and the second rotating shaft are respectively located on both sides of the lock groove; The connecting rod mechanism includes a fixed axis connecting rod, a dynamic axis connecting rod and a locking input shaft, the locking input shaft is connected to the fixed axis connecting rod, and the axis of the locking input shaft is parallel to the axis of the emergency lever, the driving unit drives the lock tongue unit to move to a locked state by toggling the locking input shaft, the fixed axis connecting rod is rotatably connected to the lock head housing through a third rotating shaft, the dynamic axis connecting rod is rotatably connected to the fixed axis connecting rod through a fourth rotating shaft, the locking input shaft is located on a side of the third rotating shaft away from the first rotating shaft, and the fourth rotating shaft is located on a side of the third rotating shaft away from the stop block; The electric tailgate lock further comprises an auxiliary connecting rod, one end of which is rotatably connected to the stop block, the other end of which is rotatably connected to the first end of the dynamic shaft connecting rod, and the second end of the dynamic shaft connecting rod is used to push the lock block to rotate the lock block; A first abutment and a second abutment are provided on the lock block on a side close to the stop block, the second abutment is located on a side of the first abutment close to the lock port, and a stop portion is provided on the stop block on a side close to the lock block. When the electric suction lock of the tailgate of the automobile is in a semi-locked state, the stop portion abuts against the first abutment to prevent the lock block from switching to an unlocked state. When the electric suction lock of the tailgate of the automobile is in a locked state, the stop portion abuts against the second abutment to prevent the lock block from switching to the unlocked state.

6. The electric tailgate lock of a car according to claim 5, characterized in that: A locking detection component and a full-lock detection component are also provided in the lock tail housing. When the electric suction lock of the automobile tailgate is in the locked state, the stop block triggers the locking detection component and the lock block triggers the full-lock detection component. The locking detection component and the full-lock detection component are both electrically connected to the drive unit.

7. The electric tailgate lock according to claim 5 or 6, characterized in that: A half-lock detection component is also provided in the lock tail housing. When the automobile tailgate electric suction lock is in the half-lock state, the lock block triggers the half-lock detection component, and the half-lock detection component is electrically connected to the drive unit.

8. The electric tailgate lock of a car according to claim 7, characterized in that: The half-lock detection component is a Hall sensor.

9. The electric tailgate lock according to any one of claims 1 to 6 and 8, characterized in that: The elastic return member includes a torsion spring.

10. An automobile, characterized in that: The invention comprises the electric suction lock for the tailgate of an automobile as claimed in any one of claims 1 to 9.

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