Tail box lock with mechanical and electric control unlocking function
By designing a tailgate lock with mechanical and electronic unlocking functions, and combining a limit shaft and a solenoid valve assembly, the electronic unlocking of the tailgate lock is realized, which solves the problem of needing to carry a mechanical key for the tailgate lock, provides a convenient unlocking method and has a spare mechanical key, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG DINGLI IND
- Filing Date
- 2025-06-26
- Publication Date
- 2026-04-10
AI Technical Summary
The trunk lock still uses a mechanical lock, requiring users to carry a small key, which is inconvenient and cannot be combined with modern keyless unlocking technology.
Design a tailgate lock with mechanical and electronic unlocking functions. By combining a limit shaft and a solenoid valve assembly, the connection or separation state of the iron core of the solenoid valve assembly with the positioning hole or positioning groove is controlled by the vehicle control device to achieve electronic unlocking. A mechanical key is also provided as a backup.
It enables electronic unlocking without the need to carry a mechanical key. It has a simple structure, is practical, and has a backup mechanical key function to prevent unlocking even if the electronic control fails.
Smart Images

Figure CN224107093U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of locomotive lock products, especially relates to a trunk lock with mechanical and electric control unlocking functions. BACKGROUND
[0002] At present, the keyless unlocking function of vehicle has been applied very widely, we can unlock the vehicle through PKE remote controller, NFC card or mobile phone Bluetooth, and the user basically does not need to carry mechanical key, but the trunk is basically mechanical lock, the user still needs to carry a small key, causes the user to use inconveniently. UTILITY MODEL CONTENTS
[0003] The utility model discloses a trunk lock with mechanical and electric control unlocking functions to solve the technical problems existing in the technical field.
[0004] The utility model discloses a trunk lock with mechanical and electric control unlocking functions to solve the above-mentioned technical problems, including lock body, lock core subassembly and lock bolt, still including limit axle, the limit axle sets up in the lock body, lock core subassembly passes through the limit axle rotatablely set up on the lock body, the lock bolt is detachably arranged on the upper or lower side of lock core subassembly, still set up electromagnetic valve subassembly through electromagnetic valve support on the lock body, the limit axle is provided with positioning hole or positioning groove, can control the iron core of electromagnetic valve subassembly and positioning hole or positioning groove to be in the connection or separation state through the control device of whole vehicle, when the iron core and positioning hole or positioning groove are in the connection state, the limit axle and lock core subassembly are not rotatable, and the trunk lock is in the locking state, when the iron core and positioning hole or positioning groove are in the separation state, can rotate lock core subassembly and drive the rotation of lock bolt, and open the trunk lock.
[0005] Further, the lock core subassembly is provided with a plurality of lock piece grooves, the lock piece grooves are provided with lock pieces, reset springs are arranged between the lock pieces and the lock piece grooves, the limit axle is provided with limit grooves matched with the lock pieces, when the mechanical key is not inserted into the lock core subassembly, the lock pieces are clamped into the limit grooves under the action of reset springs, and the lock core subassembly and the limit axle are not rotatable relative to each other.
[0006] Further, the lock core subassembly is further detachably provided with a knob, when the iron core and the positioning hole or the positioning groove are in the separation state, the lock core subassembly and the limit axle are synchronously rotated through the knob, the lock bolt is driven to be separated from the trunk, and the trunk lock is opened.
[0007] Further, the knob is provided with an induction switch, and the induction switch transmits signals to the vehicle control device.
[0008] Furthermore, the lock body is also equipped with a push-button switch via a switch bracket. An indicator light or buzzer is also provided at the position of the push-button switch. The push-button switch transmits the switch signal to the vehicle control device, and the indicator light or buzzer is used to provide feedback on the unlocking status.
[0009] This utility model relates to a tailgate lock with mechanical and electronic unlocking functions, including a lock body, a lock cylinder assembly, and a bolt; it also includes a limiting shaft, which is disposed within the lock body. The lock cylinder assembly is rotatably mounted on the lock body through the limiting shaft. A bolt is detachably mounted on the upper or lower side of the lock cylinder assembly. A solenoid valve assembly is also mounted on the lock body via a solenoid valve bracket. The limiting shaft is provided with a positioning hole or positioning groove, which can be controlled by the vehicle's control device to keep the iron core of the solenoid valve assembly connected or disconnected from the positioning hole or positioning groove. In use, after matching the unlocking signal, the iron core of the solenoid valve assembly can be controlled by the vehicle's control device to retract, at which point the lock cylinder assembly can be rotated to open the tailgate lock. The structure is simple and practical. Attached Figure Description
[0010] Figure 1 This is a three-dimensional structural diagram of the tailgate lock with mechanical and electronic unlocking functions in Example 1;
[0011] Figure 2 This is a cross-sectional view of the tailgate lock with mechanical and electronic unlocking functions in Example 1.
[0012] Figure 3 This is a schematic diagram of the exploded structure of the tailgate lock with mechanical and electronic unlocking functions in Example 1;
[0013] Figure 4 This is a three-dimensional structural diagram of a tailgate lock with mechanical and electronic unlocking functions, as shown in Example 2. Detailed Implementation
[0014] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." The following descriptions are preferred embodiments of the present invention; however, these descriptions are intended to illustrate the general principles of the invention and are not intended to limit its scope. The scope of protection of this invention is determined by the appended claims.
[0015] The utility model will be further explained in detail in combination with the drawings, the orientation terms such as "upper", "lower", "left", "right", "inner" and "outer" described in the specification are only for better understanding and better illustration, but not as the specific limitation of the utility model. Embodiment
[0016] As Figures 1-3 The utility model discloses a tail box lock with mechanical, electric control unlocking function, including lock body 1, lock cylinder subassembly 3 and lock bolt 4, still including limiting shaft 2, limiting shaft 2 sets up in lock body 1, lock cylinder subassembly 3 passes through limiting shaft 2 and can rotate and set up on lock body 1, the lower side of lock cylinder subassembly 3 is detachably provided with lock bolt 4, lock bolt 4 can be locked and fixed through fixed screw and spring piece, lock body 1 still sets up electromagnetic valve subassembly 5 through electromagnetic valve support 5a, limiting shaft 2 is provided with positioning hole or positioning groove 2b, can control the iron core 5b of electromagnetic valve subassembly 5 and the positioning hole or positioning groove 2b is in the connection or separation state through the control device of whole vehicle, when the iron core 5b and positioning hole or positioning groove 2b are in the connection state, limiting shaft 2 and lock cylinder subassembly 3 are not rotatable, and tail box lock is in the locking state, when the iron core 5b and positioning hole or positioning groove 2b are in the separation state, can rotate lock cylinder subassembly 3 and drive lock bolt 4 to rotate, and open tail box lock. Thus, when using, after carrying out the lock opening signal matching, can control the iron core 5b of electromagnetic valve subassembly 5 and work retraction through the control device of whole vehicle, at this time, can rotate lock cylinder subassembly 3, drive lock bolt 4 to rotate through lock cylinder subassembly 3, and separate with the tail box upper buckle interface position, open tail box lock, so that the user can open tail box lock without carrying mechanical key usually, and the structure is simple, and the practicality is good.
[0017] Preferably, the lock cylinder subassembly 3 is provided with a plurality of lock piece grooves 3d, the lock piece grooves 3d are provided with lock pieces, the lock pieces and the lock piece grooves 3d are provided with return springs, the limiting shaft 2 is provided with limiting grooves 2a matched with the lock pieces, when the mechanical key is not inserted into the lock cylinder subassembly 3, the lock pieces are clamped into the limiting grooves 2a under the action of the return springs, and the lock cylinder subassembly 3 and the limiting shaft 2 cannot rotate relative to each other. Thus, when the iron core 5b of the electromagnetic valve subassembly 5 is in a natural state, it extends into the positioning hole or the positioning groove 2b of the limiting shaft 2, and the lock cylinder subassembly 3 and the limiting shaft 2 cannot rotate, and the tail box lock cannot be opened; only when the iron core 5b of the electromagnetic valve subassembly 5 is retracted under the control of the control device of the whole vehicle, the lock cylinder subassembly 3 and the limiting shaft 2 can be rotated synchronously to drive the lock bolt 4 to rotate and open the tail box lock; or, when the mechanical key is inserted into the lock cylinder subassembly 3, the lock pieces retract into the lock cylinder subassembly 3, at this time, the lock cylinder subassembly 3 can be directly rotated by the key to open the tail box lock.
[0018] More preferably, the lock core assembly 3 is also detachably provided with a knob 3a. When the iron core 5b is separated from the positioning hole or slot 2b, the knob 3a is used to drive the lock core assembly 3 and the limiting shaft 2 to rotate synchronously, drive the lock bolt 4 to rotate, and open the tail box lock. After the knob 3a is removed, the tail box lock can be directly opened by inserting a mechanical key. The mechanical key opening mode is used as a backup mode, which can also be opened by mechanical means in case of electronic control failure or other unexpected situations.
[0019] More preferably, the knob 3a is provided with an induction switch 3b, and the induction switch 3b transmits a signal to the vehicle control device. When the vehicle control device receives the touch signal of the induction switch 3b, the vehicle control device starts key detection. After successful detection, the electromagnetic valve assembly 5 is controlled to work, the iron core 5b of the electromagnetic valve assembly 5 is retracted, and the limiting shaft 2 and the lock core assembly 3 are unlocked. At this time, the tail box can be rotated. Embodiment
[0020] As shown in Figure 4 , the difference between embodiment 2 and embodiment 1 is that the lock bolt 4 is arranged on the upper side of the lock core assembly 3, the lock bolt 4 is sleeved on the lock core assembly 3, and is limited and fixed by the knob 3a. At the same time, the knob 3a adopts a large force arm design, which is convenient for driving the lock core assembly 3 to rotate, facilitating the opening of the tail box lock. In addition, the knob 3a can open a window, which is closed by a rubber plug. When the mechanical key is needed to be opened, the rubber plug is removed and the key is inserted to open.
[0021] More preferably, the lock body 1 is also provided with a button switch 3c1 through a switch bracket 3c. The button switch 3c1 is also provided with a signal lamp or buzzer 3c2. The button switch 3c1 transmits a switch signal to the vehicle control device, and the signal lamp or buzzer 3c2 is used to feedback the unlocking situation. When the vehicle control device receives the switch signal of the button switch 3c1, the vehicle control device starts key detection. After successful detection, the electromagnetic valve assembly 5 is controlled to work, the iron core 5b of the electromagnetic valve assembly 5 is retracted, and the limiting shaft 2 and the lock core assembly 3 are unlocked. At this time, the tail box can be rotated, and the signal lamp or buzzer 3c2 emits a flashing prompt or a buzzing sound prompt.
[0022] The utility model relates to a tail box lock with mechanical and electric control unlocking functions, comprising a lock body, a lock cylinder assembly and a lock bolt, further comprising a limiting shaft arranged in the lock body, the lock cylinder assembly being rotatably arranged on the lock body through the limiting shaft, the lock bolt being detachably arranged on the lock cylinder assembly through a fixing screw, the lock body further being provided with an electromagnetic valve assembly through an electromagnetic valve bracket, the limiting shaft being provided with a positioning hole or a positioning groove, the iron core of the electromagnetic valve assembly being controlled by a control device of the whole vehicle to be in a connected or separated state with the positioning hole or the positioning groove.
[0023] The above description shows and describes the preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above teaching or related technical or knowledge within the scope of the utility model concept described herein. Any modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model shall be within the protection scope of the utility model claims.
Claims
1. A tailgate lock with mechanical and electric control unlocking function, comprising a lock body (1), a lock cylinder assembly (3) and a lock tongue (4); characterized in that: Also include the limiting shaft (2), the limiting shaft (2) is arranged in the lock body (1), the lock cylinder assembly (3) is rotatably arranged on the lock body (1) through the limiting shaft (2), the lock cylinder assembly (3) is detachably arranged with the lock bolt (4) on the upper or lower side, the lock body (1) is also provided with the electromagnetic valve assembly (5) through the electromagnetic valve bracket (5a), the limiting shaft (2) is provided with the positioning hole or the positioning groove (2b), the iron core (5b) of the electromagnetic valve assembly (5) can be controlled by the control device of the whole vehicle to be connected or separated with the positioning hole or the positioning groove (2b); when the iron core (5b) is connected with the positioning hole or the positioning groove (2b), the limiting shaft (2) and the lock cylinder assembly (3) cannot be rotated, and the tail box lock is in the locked state; when the iron core (5b) is separated from the positioning hole or the positioning groove (2b), the lock cylinder assembly (3) can be rotated to drive the lock bolt (4) to rotate, and the tail box lock is opened.
2. A tailgate lock having a mechanical, electrically controlled unlocking function as claimed in claim 1, characterized in that: The lock cylinder assembly (3) is provided with a plurality of lock piece grooves (3d), the lock piece grooves (3d) are provided with lock pieces, the lock pieces and the lock piece grooves (3d) are provided with return springs, the limiting shaft (2) is provided with a limiting groove (2a) matched with the lock piece, when the mechanical key is not inserted into the lock cylinder assembly (3), the lock piece is clamped into the limiting groove (2a) under the action of the return spring, and the lock cylinder assembly (3) and the limiting shaft (2) cannot be rotated relative to each other.
3. A tailgate lock having a mechanical, electrically controlled unlocking function according to claim 1 or 2, characterized in that: The lock cylinder assembly (3) is also detachably provided with a rotary knob (3a), when the iron core (5b) is separated from the positioning hole or the positioning groove (2b), the rotary knob (3a) is used to drive the lock cylinder assembly (3) and the limiting shaft (2) to rotate synchronously, and the lock bolt (4) is driven to separate from the tail box to open the tail box lock.
4. A boot lock with mechanical, electrically controlled unlocking function as claimed in claim 3, characterized in that: The rotary knob (3a) is provided with an induction switch (3b), and the induction switch (3b) transmits signals to the vehicle control device.
5. A tailgate lock having a mechanical, electrically controlled unlocking function as claimed in claim 3, characterized in that: The lock body (1) is also provided with a button switch (3c1) through a switch bracket (3c), the button switch (3c1) is also provided with a signal lamp or a buzzer (3c2), the button switch (3c1) transmits switch signals to the vehicle control device, and the signal lamp or the buzzer (3c2) is used for feeding back the unlocking condition.