CN212454008U - Electric suction lock and automobile - Google Patents

Abstract

The utility model relates to a lock and car are inhaled to electricity, include: a drive member; the planetary reducer is in driving connection with the driving piece; the transmission assembly is in transmission connection with the planetary reducer; the first lock assembly comprises a first rotating shaft, a first elastic resetting piece arranged on the first rotating shaft and a first matching lock body which is rotatably sleeved on the first rotating shaft and connected with the first elastic resetting piece; and the second lock assembly comprises a second rotating shaft, a second elastic resetting piece arranged on the second rotating shaft and a second matching lock body which is rotatably sleeved on the second rotating shaft and connected with the second elastic resetting piece, and the transmission assembly can stir the second matching lock body to be completely separated from the first matching lock body. When people move and lift the automobile tail door, the lock hook supports and pushes the first matching lock body, and the first matching lock body is not restrained by the second matching lock body, so that the lock hook can be released to achieve the purpose of unlocking by rotating around the first rotating shaft, and the use reliability of the electric suction lock is improved.

Description

Electric suction lock and automobile

Technical Field

The utility model relates to an auto-parts technical field especially relates to a lock and car are inhaled to electricity.

Background

At present, along with the continuous popularization of automobiles, great convenience is brought to the work and the life of people, and correspondingly, people have increased the user demand increasingly and have also put forward higher requirements on the automobiles, wherein the automobile tail gate has been changed from the traditional manual door opening and closing mode to the automatic door opening and closing mode. The electric pull lock is also arranged on the automobile tail door, so that the electric tail door can be automatically attracted and locked with the automobile body.

Traditional electricity is inhaled lock and is generally adopted bi-motor to control respectively and unblank and close the lock action, and is with high costs, and occupation space is big, and the motor that is used for carrying out the actuation task in addition requires the moment of torsion great, causes product poor stability, especially when the electricity is inhaled the lock and is appeared the trouble after the actuation, and the electricity is inhaled the lock and can't realize the unblock, only can destroy tail-gate or electricity and just can realize the unblock and open the door this moment, makes the user suffer economic loss.

SUMMERY OF THE UTILITY MODEL

Therefore, the electric suction lock and the automobile need to be provided, and the problems that in the prior art, the cost is high, the use reliability is poor, and normal unlocking cannot be achieved are solved.

In one aspect, the present application provides an electric suction lock, comprising:

a drive member;

the planetary speed reducer is in driving connection with the driving piece;

the transmission assembly is in transmission connection with the planetary reducer;

the first lock assembly comprises a first rotating shaft, a first elastic resetting piece arranged on the first rotating shaft and a first matching lock body which is rotatably sleeved on the first rotating shaft and connected with the first elastic resetting piece; and

the second lock assembly comprises a second rotating shaft, a second elastic reset piece arranged on the second rotating shaft and a second matching lock body rotationally sleeved on the second rotating shaft and connected with the second elastic reset piece, and the transmission assembly can shift the second matching lock body to be completely separated from the first matching lock body.

The electric suction lock is applied to an automobile, is particularly installed and used on an automobile tail door and is used for realizing reliable locking or separation of the automobile tail door and an automobile body. Particularly, the lock is inhaled to electricity of this scheme adopts single driving piece as power supply spare, compares in traditional two motor drive control modes, and design, manufacturing and use cost are lower. In addition, the power of driving piece is transmitted for transmission assembly via planetary reducer, and then drives first lock subassembly and second lock subassembly and cooperate the action, and planetary reducer's output torque is littleer, does benefit to the stability that improves the product, and requires lowly to the parameter of driving piece, and planetary reducer's running noise is little simultaneously, can effectively promote the product and use experience. Particularly, after the car tail-gate and the automobile body complete actuation, even if the electricity inhales the lock and breaks down, because the driving piece can pass through planetary reducer drive transmission assembly motion, transmission assembly can stir the first cooperation lock body of second cooperation lock body of complete break away from contact for people move the car tail-gate hard, the latch hook supports and pushes away first cooperation lock body, because first cooperation lock body does not receive the restraint of second cooperation lock body this moment, therefore can rotate and release the latch hook around first pivot, reach the purpose of unblock, the use reliability of electricity inhales the lock has been promoted greatly.

The technical solution of the present application is further described below:

in one embodiment, the electric suction lock further comprises a cover plate and a bottom cover, the cover plate is connected with the bottom cover and matched with the bottom cover to form a mounting cavity, and the driving piece, the planetary reducer and the transmission assembly are respectively mounted in the mounting cavity.

In one embodiment, the driving member is configured as a motor, a driving shaft of the motor is connected to an input end of the planetary reducer, the transmission assembly includes a transmission rod, a transmission wheel and an actuating rod, the transmission rod is connected to an output end of the planetary reducer, the transmission wheel is in transmission connection with the transmission rod, the transmission wheel is in transmission connection with the actuating rod, and the actuating rod can toggle the first or second cooperating lock body, so that the electric suction lock is switched between a locked state and an unlocked state.

In one embodiment, the driving rod is provided as a worm, the driving wheel is provided as a worm wheel, the worm wheel comprises a first tooth part and a second tooth part, the driving rod is provided as a rack, the worm is meshed with the first tooth part, and the second tooth part is meshed with the rack.

In one embodiment, the electric suction lock further includes a lock seat, the lock seat is provided with a sliding groove, the first lock component and the second lock component are respectively disposed on two sides of the sliding groove, the sliding groove is used for being in sliding fit with a lock hook, the lock hook can push the first matching lock body to rotate when sliding in the sliding groove, the first matching lock body is provided with a hook groove, and the hook groove can constrain the lock hook in the sliding groove.

In one embodiment, the first matching lock body is a ratchet wheel, a first limit step is arranged on a rim of the ratchet wheel, the second matching lock body is a pawl, when the electric suction lock is in an unlocking state, the pawl is abutted against the first limit step, and a notch of the sliding groove is opened.

In one embodiment, the electric suction lock further comprises a first trigger switch, the first trigger switch is arranged on the lock seat and is used for being electrically connected with the control actuator, a second limiting step is further arranged on a rim of the ratchet wheel, when the electric suction lock enters a semi-locking state, the pawl abuts against the second limiting step, a notch of the sliding groove is covered by the ratchet wheel, and the pawl abuts against the first trigger switch.

In one embodiment, the electric suction lock further comprises a second trigger switch, the second trigger switch is arranged on the lock seat and is used for being electrically connected with the control actuator, a third limiting step is further arranged on a rim of the ratchet wheel, when the electric suction lock enters a full-locking state, the pawl abuts against the third limiting step, and the ratchet wheel abuts against the second trigger switch.

In one embodiment, the electric suction lock further comprises a flexible stopper, and the flexible stopper is arranged at the bottom of the sliding groove and can be abutted to the lock hook.

In addition, this application still provides an automobile, and it includes:

the side wall of a tail box of the vehicle body is provided with a lock hook; and

the electric suction lock can be locked with or separated from the lock hook.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric suction lock according to an embodiment of the present invention;

fig. 2 is a schematic view of an electric suction lock according to an embodiment of the present invention in an unlocked state;

fig. 3 is a schematic view of an electric suction lock according to an embodiment of the present invention in a semi-locked state;

fig. 4 is a schematic view of an electric suction lock according to an embodiment of the present invention in a fully locked state.

Description of reference numerals:

100. an electric suction lock; 10. a drive member; 20. a planetary reducer; 30. a transmission assembly; 31. a transmission rod; 32. a driving wheel; 33. a moving rod is applied; 40. a first lock assembly; 41. a first rotating shaft; 42. a first elastic reset member; 43. a first mating lock body; 431. a hook groove; 432. a first limit step; 433. a second limit step; 434. a third limiting step; 50. a second lock assembly; 51. a second rotating shaft; 52. a second elastic reset piece; 53. a second mating lock body; 60. a cover plate; 70. a bottom cover; 80. a lock seat; 81. a chute; 90. a first trigger switch; 90a, a second trigger switch; 90b, a flexible stop block; 90c, a latch hook.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Embodiments of the present application provide an automobile, which may be any of various types of motor vehicles commonly found in the market, including but not limited to cars, trucks, vans, off-road vehicles, and the like, all of which have in common that they include: a vehicle body, a vehicle tailgate and an electric shock lock 100. The side wall of the tail box of the automobile body is provided with a lock hook 90c, the electric suction lock 100 is installed on the tail door of the automobile, and the electric suction lock 100 can be locked with or separated from the lock hook 90 c. Thereby realizing the automatic closing of the automobile tail gate.

In addition, generally still install electronic vaulting pole on the automobile body, electronic vaulting pole is connected with the car tail-gate, so just can realize the automation of car tail-gate and open, need not manpower manually operation, and degree of automation is high, does benefit to promote the user and uses experience.

Referring to fig. 1, an electric shock lock 100 is shown for an embodiment of the present application, where the electric shock lock 100 includes: the lock comprises a driver 10, a planetary reducer 20, a transmission assembly 30, a first lock assembly 40 and a second lock assembly 50. The planetary reducer 20 is in driving connection with the driving element 10; the transmission assembly 30 is in transmission connection with the planetary reducer 20; the first lock assembly 40 comprises a first rotating shaft 41, a first elastic reset piece 42 arranged on the first rotating shaft 41, and a first matching lock body 43 which is rotatably sleeved on the first rotating shaft 41 and connected with the first elastic reset piece 42; the second lock assembly 50 includes a second rotating shaft 51, a second elastic reset member 52 disposed on the second rotating shaft 51, and a second engaging lock 53 rotatably sleeved on the second rotating shaft 51 and connected to the second elastic reset member 52, and the transmission assembly 30 can shift the second engaging lock 53 to completely disengage from the first engaging lock 43.

In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: the electric suction lock 100 of the above scheme is applied to an automobile, and is specifically installed and used on an automobile tail door to realize reliable locking or separation of the automobile tail door and an automobile body. Specifically, the electric suction lock 100 of the present embodiment uses a single driving member 10 as a power source member, and has lower design, manufacturing and use costs compared to the conventional dual-motor driving control method. In addition, the power of driving piece 10 is transmitted for transmission assembly 30 via planetary reducer 20, and then drives first lock subassembly 40 and second lock subassembly 50 and carry out the cooperation action, and planetary reducer 20's output torque is littleer, does benefit to the stability that improves the product, and requires lowly to the parameter of driving piece 10, and planetary reducer 20's running noise is little simultaneously, can effectively promote the product and use experience. Particularly, after the car tail gate and the car body are completely attracted, even if the electric suction lock 100 fails, since the driving member 10 can drive the transmission member 30 to move through the planetary reducer 20, the transmission member 30 can pull the second matching lock body 53 to be completely separated from the first matching lock body 43, so that when people forcibly move the car tail gate, the lock hook 90c abuts against and pushes the first matching lock body 43, and since the first matching lock body 43 is not constrained by the second matching lock body 53, the lock hook 90c can be rotated around the first rotating shaft 41 to release the lock hook 90c, so that the unlocking purpose is achieved, and the use reliability of the electric suction lock 100 is greatly improved.

With reference to fig. 1, in addition, based on the above embodiment, the electric suction lock 100 further includes a cover plate 60 and a bottom cover 70, the cover plate 60 is connected with the bottom cover 70 and cooperates with the bottom cover to form a mounting cavity, and the driving element 10, the planetary reducer 20 and the transmission assembly 30 are respectively mounted in the mounting cavity. The cover plate 60 and the bottom cover 70 can be assembled and fixed by mounting methods such as threaded connection, snap connection, magnetic connection and the like, and the assembling surfaces of the cover plate 60 and the bottom cover 70 are tightly attached, so that the mounting cavity formed by matching can be kept in a reliable closed state, and thus, the driving member 10, the planetary reducer 20 and the transmission assembly 30 which are installed in the mounting cavity can be covered and protected by the cover plate 60 and the bottom cover 70, and even if the electric suction lock 100 is directly exposed to the environment for use, the service life of the electric suction lock cannot be affected by dust, rainwater and the like.

Further, the electric suction lock 100 further includes a lock body bottom plate (not shown) fixedly connected to the bottom cover 70, and the lock body bottom plate is configured to integrally mount the electric suction lock 100 on the rear door of the vehicle. Specifically, the installation mode of the lock body bottom plate and the automobile tail gate can be, but is not limited to, threaded connection, snap connection, welding, riveting and the like, and is specifically selected according to actual needs.

With continued reference to fig. 1, in some embodiments, the driving member 10 is preferably configured as a motor, such as a stepper motor, a servo motor, etc. The driving shaft of the motor is connected with the input end of the planetary reducer 20, the transmission assembly 30 includes a transmission rod 31, a transmission wheel 32 and an actuating rod 33, the transmission rod 31 is connected with the output end of the planetary reducer 20, the transmission wheel 32 is in transmission connection with the transmission rod 31, the transmission wheel 32 is in transmission connection with the actuating rod 33, and the actuating rod 33 can toggle the first matching lock body 43 or the second matching lock body 53, so that the electric suction lock 100 is switched between a locking state and an unlocking state. The structure of each part is simple, the mutual arrangement is compact, the miniaturization design of the electric suction lock 100 is realized, the power transmission output by the motor is stable, the action response speed of the first matching lock body 43 and the second matching lock body 53 is high, and the reliable locking or unlocking of the automobile tail door is convenient to realize.

Specifically, on the basis of the above embodiment, the driving rod 31 is provided as a worm, the driving wheel 32 is provided as a worm wheel, the worm wheel includes a first tooth portion and a second tooth portion, the actuating rod 33 is provided as a rack, the worm is engaged with the first tooth portion, and the second tooth portion is engaged with the rack. The transmission assembly 30 is formed by mutually meshing a worm wheel, a worm and a rack, and has good structural stability and stable power transmission. Of course, in other embodiments, the transmission rod 31 can be configured as a first bevel gear, the transmission wheel 32 can be configured as a second bevel gear, and the applying rod 33 still adopts a rack, and the second bevel gear is meshed with the first bevel gear and the rack at the same time, so that the transmission of the motor power can be realized.

Furthermore, two ends of the worm are respectively installed through bearings, so that the smooth rotation of the worm can be ensured, and the meshing between the worm and the worm wheel is reliable.

With continued reference to fig. 1 and 2, in the present application, the latch hook 90c mounted on the inner wall of the trunk of the vehicle body is generally a rod with a circular cross section, which integrally extends into the trunk for a certain distance to facilitate engagement with the electric shock latch 100. In some embodiments, the electric suction lock 100 further includes a lock seat 80, the lock seat 80 is provided with a sliding groove 81, in a process of closing a rear door of an automobile, a notch of the sliding groove 81 always points to a lock hook 90c, the first lock component 40 and the second lock component 50 are respectively disposed on two sides of the sliding groove 81, the sliding groove 81 is used for being in sliding fit with the lock hook 90c, the lock hook 90c can push the first matching lock body 43 to rotate when sliding in the sliding groove 81, the first matching lock body 43 is provided with a hook groove 431, and the hook groove 431 can constrain the lock hook 90c in the sliding groove 81.

That is, the latch hook 90c can be automatically inserted into the sliding slot 81 and automatically pushed against the second matching lock body 53 to rotate along with the downward turning and closing of the automobile tail door, until the second matching lock body 53 is closed with the first matching lock body 43, the latch hook 90c is restrained in the sliding slot 81 by the second matching lock body 53, and then the closing operation of the automobile tail door can be completed.

With continued reference to fig. 2 to 4, the closing process of the rear door of the vehicle can be divided into an unlocking state, a half-locking state and a full-locking state. The unlocked state corresponds to the state in which the tailgate of the vehicle is open, with the latch hook 90c furthest from the electric shock lock 100 and without contact therebetween. The semi-locked state corresponds to the automobile tail gate being closed for the most part, at this moment, the locking hook 90c enters the sliding groove 81, the first matching lock body 43 and the second matching lock body 53 form a locking matching relation, and the automobile tail gate cannot be completely closed due to the fact that the automobile tail gate is attracted and closed by the counterforce of the sealing strip on the inner wall of the outer box. The fully locked state corresponds to the car tailgate overcoming the contact force of the sealing strip and being completely sucked and locked with the car body, and at the moment, the locking hook 90c is completely restrained in the sliding groove 81.

With continued reference to fig. 2, in some embodiments, the first lock body 43 is configured as a ratchet wheel, a first limit step 432 is disposed on a rim of the ratchet wheel, and the second lock body 53 is configured as a pawl, when the electric shock lock 100 is in an unlocked state, the pawl abuts against the first limit step 432, and the notch of the sliding groove 81 is opened.

In this embodiment, the first elastic restoring member 42 and the second elastic restoring member 52 are both provided as torsion springs, so that the first engaging lock 43 and the second engaging lock 53 always have opposite rotating forces under the action of the elastic torsion of the torsion springs. When the state of unblanking, the pawl can with the first spacing step 432 butt on the ratchet for the pawl can overcome respective torsional spring torsion with the ratchet and keep relative quiescent condition, can guarantee like this that spout 81's notch is in normally open state, thereby lock hook 90c can the disect insertion spout 81 when the car tail-gate overturns downwards in, improve lock hook 90c and spout 81's cooperation convenience and reliability.

When the locking hook 90c is inserted into the sliding slot 81 and further slides in the sliding slot 81, the locking hook 90c can push the ratchet wheel to compress the torsion spring to rotate, and the rotating direction is a direction away from the pawl. During the process, the ratchet wheel synchronously pushes the pawl to compress the torsion spring and rotate towards the opposite direction.

With reference to fig. 3, further, the electric suction lock 100 further includes a first trigger switch 90, the first trigger switch 90 is disposed on the lock seat 80 and electrically connected to the control actuator, a second limit step 433 is further disposed on a rim of the ratchet, when the electric suction lock 100 enters a semi-locking state, the pawl abuts against the second limit step 433, a notch of the sliding groove 81 is covered by the ratchet, and the pawl abuts against the first trigger switch 90.

When the pawl is disengaged from the first limit step 432, the pawl slides along the rim surface of the ratchet to abut against the second limit step 433, at this time, the pawl and the ratchet are restored to a balanced state again by the torsion of the torsion spring, at this time, the locking hook 90c has completely slid into the deep portion of the sliding groove 81 and cannot move continuously, and the electric suction lock 100 enters a half-locked state. At the same time, the first trigger switch 90 is triggered by the pawl coming into contact with it, and the first trigger switch 90 feeds back a signal to the control actuator (ECU) that controls the motor to turn on in preparation for driving the rack to start moving.

With reference to fig. 4, further, the electric suction lock 100 further includes a second trigger switch 90a, the second trigger switch 90a is disposed on the lock seat 80 and is electrically connected to the control actuator, a third limit step 434 is further disposed on a rim of the ratchet wheel, when the electric suction lock 100 enters a full-locking state, the pawl abuts against the third limit step 434, and the ratchet wheel abuts against the second trigger switch 90 a.

The motor drives the rack to push the ratchet wheel to further rotate back to the pawl, the pawl slides along the rim of the ratchet wheel and finally abuts against the third limiting step 434, the hook groove 431 in the ratchet wheel completely buckles the lock hook 90c and can be reliably restrained in the sliding groove 81 at the moment, the counter-acting force of the sealing strip is overcome in the process that the rack pushes the ratchet wheel to further rotate, and the complete suction locking of the automobile tail door is achieved. Meanwhile, the torsion spring and the abutting force form a force balance, which ensures that the electric suction lock 100 maintains a stable locking structure state.

When the ratchet wheel abuts against the second trigger switch 90a, and the second trigger switch 90a is triggered, the second trigger switch 90a feeds back a signal to the control actuator, the control actuator controls the motor to rotate reversely, and the driving rack is separated from the contact ratchet wheel and is restored to the corresponding position of the semi-locking state. When a user needs to open the automobile tail door, the control actuator receives an unlocking signal and can further control the motor to rotate reversely, the rack moves and pushes the pawl to rotate back to the ratchet wheel, and the ratchet wheel is completely separated from the ratchet wheel, so that the user can turn over the automobile tail door upwards under the condition that the rigid interference force of the rack and the pawl is not applied, the lock hook 90c can push the ratchet wheel to overcome the torsion force of the torsion spring to achieve turning and avoiding, and the lock hook 90c slides out of the sliding groove 81 to achieve unlocking of the electric suction lock 100.

On the basis of any of the above embodiments, the electric suction lock 100 further includes a flexible stopper 90b, and the flexible stopper 90b is disposed at the bottom of the sliding groove 81 and can abut against the locking hook 90 c. The flexible stopper 90b can buffer and limit the lock hook 90c sliding into the bottom of the sliding groove 81, so that the electric suction lock 100 is prevented from being deformed and damaged due to rigid impact.

Alternatively, the flexible stop 90b may be, but is not limited to, a rubber block or the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. An electric suction lock, characterized in that it comprises:

a drive member;

the planetary speed reducer is in driving connection with the driving piece;

the transmission assembly is in transmission connection with the planetary reducer;

the first lock assembly comprises a first rotating shaft, a first elastic resetting piece arranged on the first rotating shaft and a first matching lock body which is rotatably sleeved on the first rotating shaft and connected with the first elastic resetting piece; and

the second lock assembly comprises a second rotating shaft, a second elastic reset piece arranged on the second rotating shaft and a second matching lock body rotationally sleeved on the second rotating shaft and connected with the second elastic reset piece, and the transmission assembly can shift the second matching lock body to be completely separated from the first matching lock body.

2. The electric suction lock as claimed in claim 1, further comprising a cover plate and a bottom cover, wherein the cover plate is connected with the bottom cover and cooperates with the bottom cover to form a mounting cavity, and the driving member, the planetary reducer and the transmission assembly are respectively mounted in the mounting cavity.

3. The electric suction lock as claimed in claim 1, wherein the driving member is configured as a motor, a driving shaft of the motor is connected to an input end of the planetary reducer, the transmission assembly includes a transmission rod, a transmission wheel and an actuating rod, the transmission rod is connected to an output end of the planetary reducer, the transmission wheel is in transmission connection with the transmission rod, the transmission wheel is in transmission connection with the actuating rod, and the actuating rod can toggle the first or second cooperating lock bodies to switch the electric suction lock between the locked state and the unlocked state.

4. The electric shock lock of claim 3, wherein the drive link is configured as a worm, the drive wheel is configured as a worm gear, and the worm gear includes a first tooth portion and a second tooth portion, the actuation link is configured as a rack, the worm is engaged with the first tooth portion, and the second tooth portion is engaged with the rack.

5. The electric suction lock according to any one of claims 1 to 4, further comprising a lock base, wherein the lock base is provided with a sliding groove, the first lock component and the second lock component are respectively disposed on two sides of the sliding groove, the sliding groove is used for being in sliding fit with a lock hook, the lock hook can push the first matching lock body to rotate when sliding in the sliding groove, the first matching lock body is provided with a hook groove, and the hook groove can constrain the lock hook in the sliding groove.

6. The electric suction lock of claim 5, wherein the first mating lock body is configured as a ratchet wheel, a first limit step is provided on a rim of the ratchet wheel, the second mating lock body is configured as a pawl, and when the electric suction lock is in an unlocked state, the pawl abuts against the first limit step, and a notch of the sliding groove is opened.

7. The electric suction lock of claim 6, further comprising a first trigger switch disposed on the lock base and configured to be electrically connected to a control actuator, wherein a second limit step is further disposed on a rim of the ratchet wheel, and when the electric suction lock enters a semi-locked state, the pawl abuts against the second limit step, the notch of the sliding groove is covered by the ratchet wheel, and the pawl abuts against the first trigger switch.

8. The electric suction lock of claim 7, further comprising a second trigger switch disposed on the lock base and electrically connected to the control actuator, wherein a third limit step is further disposed on a rim of the ratchet wheel, and when the electric suction lock enters a full-locking state, the pawl abuts against the third limit step, and the ratchet wheel abuts against the second trigger switch.

9. The electric suction lock of claim 5, further comprising a flexible stop disposed at a bottom of the slot and capable of abutting the latch hook.

10. An automobile, comprising:

the side wall of a tail box of the vehicle body is provided with a lock hook; and

the electric suction lock as claimed in any one of claims 1 to 9, which can be locked or separated from the locking hook.

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