Tailgate electric suction lock and automobile

Abstract

The application belongs to the technical field of automobile accessory structure, and particularly discloses a tail door electric suction lock and an automobile. The tail door electric suction lock comprises a mounting seat, a base plate, a lock tongue, a locking piece, a warped plate, an emergency lever, a driving device and an unlocking assembly. The warped plate falls into the snow load clamping position on the locking piece after the locking piece is unlocked, so that the locking clamping block of the locking piece is separated from the lock tongue, the electric suction lock can be normally unlocked, and when the half-lock clamping position of the lock tongue is in a reset movement state and passes the locking clamping block, the warped insertion block on the lock tongue pries the limiting end of the warped plate, so that the limiting end is separated from the snow load block. At this time, the locking piece can be pressed towards the lock tongue under the driving of the second reset device, so as to be ready for locking. After the user unlocks, the electric suction lock can always keep the unlocking state, so as to prevent the situation that the electric suction lock competes with the tail door support lever. In addition, if other unexpected conditions cause the driving device to fail, the user can also use hands to grab the hand turning part to drive the emergency lever to unlock, so as to ensure that the tail door can be unlocked and opened.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessories, in particular to a tailgate electric suction lock and an automobile. BACKGROUND

[0002] The rear of the automobile is generally configured with a tailgate electric suction lock to lock the tailgate. When the tailgate seal bar reverse force is insufficient or the tailgate is covered with snow, the pop distance of the tailgate when the tailgate is unlocked is too small, which may cause the tailgate to be unable to be in a fully open state after the user unlocks it. If the tailgate support rod starts to work at this time, the tailgate electric suction lock and the tailgate support rod will fight, which may cause the tailgate to be deformed or the tailgate electric suction lock to be damaged, and the tailgate or the tailgate electric suction lock needs to be repaired. SUMMARY

[0003] The present application aims to provide a tailgate electric suction lock to solve the technical problem that the tailgate or the electric suction lock is damaged when the tailgate is unlocked in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present application provides a tailgate electric suction lock, which comprises:

[0005] a mounting seat, a base plate arranged on the mounting seat, a lock tongue pivoted to the base plate through a first pivot, a locking piece pivoted to the base plate through a second pivot, a rocker pivoted to the base plate through a third pivot, an emergency rod pivoted to the mounting seat through a fourth pivot, a driving device arranged on the mounting seat and driving the emergency rod to rotate, and an unlocking assembly connected to the middle part of the emergency rod and used for driving the locking piece to move in an unlocking direction.

[0006] The lock tongue is provided with a full lock catch and a half lock catch. The rocker is located between the locking piece and the base plate. The two ends of the rocker are a limiting end and a pressing end, respectively. The locking piece is provided with a locking block matched with the full lock catch or the half lock catch. The side of the locking piece facing the base plate is provided with a snow load stop surface. The snow load stop surface is provided with a snow load stop block. The side of the snow load stop block facing the base plate is provided with an abutting surface. The side of the snow load stop block facing the lock tongue forms a snow load catch matched with the limiting end. The base plate is provided with a first reset device for driving the lock tongue to unlock, a second reset device for driving the locking piece to be close to the lock tongue, and a third reset device for driving the limiting end to be close to the snow load stop surface. The mounting seat is provided with a fourth reset device for driving the emergency rod to reset. The emergency rod is provided with a hand turning part extending out of the mounting seat.

[0007] When the locking block abuts against the full lock catch, the limiting end abuts against the abutting surface.

[0008] When the driving device drives the emergency rod to rotate, the emergency rod drives the unlocking assembly to drive the locking part to rotate in the unlocking direction, the locking block is separated from the full-locking clamping position, and the limiting end is in abutment with the snow load clamping position under the driving of the third reset device;

[0009] The lock tongue is provided with a lifting plug for extending into the gap between the pressing end and the base plate, and the extending end of the lifting plug is provided with a lifting inclined surface; when the half-locking clamping position is in the reset movement state and passes the locking block, the lifting inclined surface extends into the gap between the pressing end and the base plate, so that the limiting end swings and is separated from the snow load block.

[0010] Preferably, the locking part comprises a pivoting part, a connecting arm and a pushing segment arranged in sequence; the locking block is arranged on the connecting arm; the pivoting part is pivoted with the second pivot; and the snow load block and the snow load blocking surface are located on the side of the pushing segment facing the base plate.

[0011] Preferably, the unlocking assembly comprises a first connecting rod and a second connecting rod; the first end of the first connecting rod is pivoted with the middle part of the emergency rod; the second end of the first connecting rod is pivoted with the first end of the second connecting rod; the middle part of the second connecting rod is pivoted on the mounting seat through a fifth pivot; and the second end of the second connecting rod has an unlocking pushing part for pushing the pushing segment to rotate in the unlocking direction.

[0012] Preferably, the tail gate electric suction lock further comprises an upper cover; the upper cover covers the mounting seat, and the upper cover and the mounting seat have a mounting cavity therebetween; the unlocking assembly, the fourth reset device, the emergency rod and the driving device are arranged in the mounting cavity; the upper cover has an opening communicating with the mounting cavity, and the hand pushing part extends from the opening to the outside of the upper cover.

[0013] Preferably, the tail gate electric suction lock further comprises a third connecting rod, a fourth connecting rod and a transmission block connected with the lock tongue; the first end of the third connecting rod is provided with a first pushing block for pushing; the middle part of the third connecting rod is pivoted on the mounting seat through a sixth pivot; the second end of the third connecting rod is pivoted with the first end of the fourth connecting rod through a seventh pivot; the second end of the fourth connecting rod is provided with a second pushing block for pushing the transmission block; and the driving device is provided with an output swinging rod located between the first pushing block and the emergency rod and used for pushing the first pushing block or the emergency rod.

[0014] When the output swing lever pushes the first dial block and drives the third connecting rod to swing, the fourth connecting rod drives the second dial block to move along a predetermined path, and the second dial block pushes the transmission block to move in the opposite direction of the reciprocating position movement direction of the lock bolt, until the locking block abuts against the full-locking position.

[0015] Preferably, the second dial block comprises a first push plate and a first sliding block; the first push plate is fixedly connected with the second end of the fourth connecting rod; the first push plate is formed with an avoiding groove matched with the transmission block; the first sliding block is fixedly connected with the first push plate; the inner wall of the upper cover is formed with a sliding groove along a predetermined path; and the first sliding block is slidably arranged in the sliding groove.

[0016] Preferably, the emergency lever is provided with a third dial block for pushing the first push plate; the movement track of the first push plate partially overlaps with the movement track of the third dial block.

[0017] When the driving device drives the emergency lever to rotate, the third dial block rotates around the fourth pivot and pushes the first push plate, so that the avoiding groove of the first push plate is separated from the transmission block.

[0018] Preferably, the pressing end is provided with a guide curved surface matched with the lifting inclined surface.

[0019] Preferably, the lock bolt is provided with a connecting block connected with the lifting plug-in block, and the lifting plug-in block and the lock bolt are formed with an accommodating groove for accommodating the pressing end.

[0020] The second aspect of the present application provides an automobile comprising the electric latch of the tail door as described above.

[0021] The tailgate electric suction lock and the car equipped with the tailgate electric suction lock provided by this invention have the following advantages: the drive device drives the emergency lever to drive the unlocking assembly to move the locking member in the unlocking direction. After the locking member is unlocked, the rocker plate falls into the snow-loaded locking position on the locking member to ensure that the locking block of the locking member is separated from the bolt, which facilitates the bolt's unlocking rotation and ensures that the electric suction lock can be unlocked normally. Moreover, when the bolt's half-locked position is in the reset movement state and has passed the locking block, the rocker plate on the bolt uses the rocker inclined surface to pry up the pressing end, thereby prying up the limiting end of the rocker plate and separating the limiting end from the snow-loaded stop. At this time, the lifting block is always in contact with the pressing end to ensure that the limiting end and the locking part are separated. At this time, the locking part can be pressed against the lock tongue under the drive of the second reset device to lock. After the user unlocks, the electric suction lock can always remain in the unlocked state to ensure that the tailgate can be opened normally, prevent the electric suction lock from being in conflict with the tailgate support rod, protect the tailgate or electric suction lock, reduce the number of maintenance and maintenance costs, and improve service life. Secondly, if other emergencies cause the drive device to fail, the user can also grab the hand lever to drive the emergency lever to unlock and ensure that the tailgate can be unlocked and opened.

[0022] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the tailgate electric suction lock according to the first aspect of the present invention;

[0024] Figure 2 This is an assembly diagram of the unlocking component, the latch, and the locking member according to a first aspect embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the locking tongue and locking member in a fully locked state according to the first aspect of the present invention;

[0026] Figure 4 yes Figure 3 The diagram shows a cross-sectional view of the rocker arm, locking mechanism, and latch assembly.

[0027] Figure 5 This is a schematic diagram of the state when the locking member of the first aspect embodiment of the present invention is in the snow-load unlocking state and is in the half-locked position preparing to pass the locking block;

[0028] Figure 6 yes Figure 5 The diagram shows a cross-sectional view of the rocker arm, locking mechanism, and latch assembly.

[0029] Figure 7 This is a schematic diagram of the state structure of the lock tongue after it has been unlocked according to the first aspect of the present invention;

[0030] Figure 8 is Figure 7 is a sectional view of the assembled warped plate, locking member and locking tongue;

[0031] Figure 9 is a structural schematic view of the locking member of the first aspect of the present application;

[0032] Figure 10 is a structural schematic view of the warped plate of the first aspect of the present application;

[0033] Figure 11 is a structural schematic view of the locking tongue of the first aspect of the present application;

[0034] Figure 12 is a structural schematic view of the assembly of the emergency rod and the unlocking assembly of the first aspect of the present application;

[0035] Figure 13 is a structural schematic view of the assembly of the third connecting rod, the fourth connecting rod, the locking tongue and the locking member of the first aspect of the present application;

[0036] Figure 14 is a structural schematic view of the assembly of the third connecting rod and the fourth connecting rod of the first aspect of the present application;

[0037] Figure 15 is a structural schematic view of the assembly of the driving device, the third connecting rod, the fourth connecting rod, the emergency rod and the upper cover of the first aspect of the present application;

[0038] Figure 16 is a structural schematic view of the assembly of the emergency rod, the third connecting rod, the fourth connecting rod and the unlocking assembly of the first aspect of the present application.

[0039] In the figure, 100, substrate; 110, first pivot; 120, second pivot; 130, third pivot; 200, lock tongue; 210, full lock catch; 220, half lock catch; 230, lifting plug; 231, lifting inclined surface; 240, hook lock groove; 250, connecting block; 260, accommodating groove; 270, limiting baffle; 280, transmission block; 300, locking piece; 310, locking catch; 320, snow load blocking surface; 330, snow load blocking block; 331, abutting surface; 332, snow load catch; 340, pivoting portion; 350, connecting arm; 360, actuating section; 400, lifting plate; 410, limiting end; 411, rounded corner; 420, pressing end; 421, guide curved surface; 422, avoiding inclined surface; 500, mounting seat; 510, fourth pivot; 520, driving device; 521, output swing rod; 530, fourth reset device; 540, fifth pivot; 550, sixth pivot; 600, emergency lever; 610, hand actuating portion; 620, third actuating block; 700, unlocking assembly; 710, first connecting rod; 720, second connecting rod; 730, unlocking push portion; 800, upper cover; 810, sliding groove; 900, third connecting rod; 910, first actuating block; 920, seventh pivot; 950, fourth connecting rod; 960, second actuating block; 961, first push plate; 962, first sliding block; 963, avoiding groove. DETAILED DESCRIPTION

[0040] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar elements or elements having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0041] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0042] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.

[0043] In the description of the present application, the words such as arrangement, installation, connection and the like should be understood in a broad sense, and the specific meanings of the words in the present application can be determined by the skilled in the art in combination with the specific content of the technical solutions.

[0044] Please refer to Figures 1 to 11 , now the tailgate electric suction lock provided by the embodiment of the present application will be described.

[0045] Referring to Figure 2 , Figure 3 , Figure 13 , the tailgate electric suction lock of the embodiment of the present application comprises: a mounting seat 500, a base plate 100 arranged on the mounting seat 500, a lock tongue 200 pivoted on the base plate 100 through a first pivot 110, a locking piece 300 pivoted on the base plate 100 through a second pivot 120, a rocker plate 400 pivoted on the base plate 100 through a third pivot 130, an emergency lever 600 pivoted on the mounting seat 500 through a fourth pivot 510, a driving device 520 arranged on the mounting seat 500 and driving the emergency lever 600 to rotate, and an unlocking assembly 700 connected to the middle part of the emergency lever 600 and used for driving the locking piece 300 to move in an unlocking direction; the base plate 100 and the mounting seat 500 have a space for mounting the lock tongue 200 and the locking piece 300, the mounting seat 500 and the base plate 100 are both provided with a slot for inserting a lock catch of a tailgate, the first pivot 110 and the second pivot 120 are respectively located on the left and right sides of the slot, so that the locking piece 300 and the lock tongue 200 are respectively pivoted on different sides of the slot. The first pivot 110 and the second pivot 120 are parallel in the axial direction and are both fixed on the base plate 100; the third pivot 130 is pivoted with the middle part of the rocker plate 400, so that the limiting end 410 and the pressing end 420 can rotate around the third pivot 130;

[0046] Referring to Figure 3 and Figure 4The lock tongue 200 is provided with a full lock clamping position 210 and a half lock clamping position 220; the flap 400 is located between the locking member 300 and the base plate 100; two ends of the flap 400 are respectively a limiting end 410 and a pressing end 420; the locking member 300 is provided with a locking clamping block 310 matched with the full lock clamping position 210 or the half lock clamping position 220; a side of the locking member 300 facing the base plate 100 is provided with a snow load blocking surface 320; the snow load blocking surface 320 is provided with a snow load blocking block 330; a side of the snow load blocking block 330 facing the base plate 100 is provided with an abutting surface 331, and a side of the snow load blocking block 330 facing the lock tongue 200 forms a snow load clamping position 332 with the snow load blocking surface 320 for matching with the limiting end 410; the base plate 100 is provided with a first reset device for driving the lock tongue 200 to be unlocked, a second reset device for driving the locking member 300 to be close to the lock tongue 200, and a third reset device for driving the limiting end 410 to be close to the snow load blocking surface 320; the mounting seat 500 is provided with a fourth reset device 530 for driving the emergency lever 600 to be reset; the emergency lever 600 is provided with a hand turning part 610 extending out of the mounting seat 500; the second reset device can drive the locking member 300 to be reset, so that the locking clamping block 310 can be stably pressed against the lock tongue 200, and the half lock clamping position 220 or the full lock clamping position 210 is matched to lock the lock tongue 200, so that the electrically controlled lock is in a half lock state or a full lock state.

[0047] With reference to Figure 3 and Figure 4 When the locking clamping block 310 abuts against the full lock clamping position 210; the electrically controlled lock is in a full lock state, and at this time, the limiting end 410 abuts against the abutting surface 331, so as to prevent the limiting end 410 of the flap from falling into the snow load clamping position 332;

[0048] With reference to Figure 2 , Figure 3 , Figure 4When unlocking is needed, the driving device 520 drives the emergency rod 600 to rotate, the emergency rod 600 drives the unlocking assembly 700 to drive the locking piece 300 to rotate in the unlocking direction, the locking block 310 is separated from the full locking block 210, and the snow load block 330 also gradually moves away from the lock tongue 200. The side surface of the snow load block 330 facing the lock tongue 200 gradually approaches the limiting end 410, until the side surface of the snow load block 330 facing the lock tongue 200 passes the end of the limiting end 410, at this time the third reset device drives the limiting end 410 to approach the snow load blocking surface 320, the limiting end 410 falls into the snow load block 332 and the limiting end 410 and the snow load block 332 abut, the locking piece 300 enters the snow load unlocking state, so that the limiting end 410 clamps the locking piece 300, prevents the locking piece 300 from abutting against the lock tongue 200 under the drive of the second reset device, avoids the locking block 310 from abutting against the half locking block 220 or the full locking block 210, can make the lock tongue 200 reset and unlock under the drive of the first reset device, and makes the electric suction lock keep the unlocking state. It should be noted that when the locking piece 300 is unlocked, the emergency rod 600 is reset under the drive of the fourth reset device 530, so as to avoid always performing the unlocking action, and facilitate locking. Moreover, the emergency rod 600 is provided with a hand pulling part 610 extending outside the mounting seat 500, when the driving device 520 fails, the driving device 520 cannot drive the emergency rod 600 to perform the unlocking action, at this time the hand pulling part 610 can be grabbed by hand, so that the emergency rod 600 performs the unlocking action, to ensure that the electric suction lock can be unlocked, and avoid the situation that the electric suction lock and the tail door support rod are in conflict, causing the tail door to be deformed or the electric suction lock to be damaged.

[0049] With reference to Figures 5 to 8, the lock tongue 200 is provided with a lifting plug 230 for extending into the gap between the pressing end 420 and the base plate 100, the lifting plug 230 moves together with the lock tongue 200, and the extending end of the lifting plug 230 is provided with a lifting inclined surface 231; when the half-lock clamping portion 220 is in the reset movement state and passes the locking clamping block 310, the lifting inclined surface 231 extends into the gap between the pressing end 420 and the base plate 100, so that the limiting end 410 swings and is separated from the snow load blocking block 330. The lock tongue 200 is generally unlocked from the full-lock state, so that when the lock tongue 200 is reset, the half-lock clamping portion 220 will pass the locking clamping block 310; however, since the locking member 300 enters the snow load unlocking state when unlocking, the half-lock clamping portion 220 will not abut against the locking clamping block 310; after the half-lock clamping portion 220 passes the locking clamping block 310, the locking clamping block 310 will not clamp the half-lock clamping portion 220 or the full-lock clamping portion 210 in the subsequent reset action of the lock tongue 200, so as to ensure that the electric suction lock remains in the unlocking state; and at this time, the extending end of the lifting plug 230 extends into the gap between the pressing end 420 and the base plate 100, the lifting inclined surface 231 of the extending end pries the limiting end 410 of the tilting plate 400, so that the limiting end 410 is separated from the snow load blocking block 330, that is, the limiting end 410 is separated from the snow load clamping portion 332, the locking member 300 enters the reset state close to the lock tongue 200 from the snow load unlocking state, and at this time, the lifting plug 230 abuts against the pressing end 420 at all times, so as to ensure that the limiting end 410 is separated from the snow load blocking block 330, and then the locking member 300 can be pressed toward the lock tongue 200 under the driving of the second reset device, so as to be ready for locking.

[0050] Referring to Figure 3 When locking is needed, the lock tongue 200 rotates under the driving of an external force or the driving device 520, that is, the lock tongue 200 moves in the opposite direction of the reset movement, so that the locking clamping block 310 clamps into the half-lock clamping portion 220 or the full-lock clamping portion 210 under the driving of the second reset device, so as to achieve the locking purpose. It should be noted that when the lock tongue 200 moves in the opposite direction of the reset movement, the half-lock clamping portion 220 passes the locking clamping block 310, the lifting plug 230 is retracted from the gap between the pressing end 420 and the base plate 100, and the limiting end 410 is reset under the driving of the third reset device; at this time, since the locking member 300 abuts against the lock tongue 200 under the driving of the second reset device, the limiting end 410 is pressed toward the abutting surface 331 of the snow load blocking block 330 under the driving of the third reset device, so as to prevent the limiting end 410 from clamping into the snow load clamping portion 332 after reset, avoid the locking member 300 entering the snow load unlocking state, and then the locking clamping block 310 can play a normal locking role.

[0051] The driving device 520 of the electric suction lock of the tail door of the embodiment drives the emergency rod 600 to drive the unlocking assembly 700 to drive the locking piece 300 to move in the unlocking direction, and the flap 400 falls into the snow load clamping position 332 on the locking piece 300 after the locking piece 300 is unlocked, so as to ensure that the locking clamping block 310 of the locking piece 300 is separated from the lock tongue 200, facilitate the unlocking rotation of the lock tongue 200, ensure that the electric suction lock can be normally unlocked, and when the half-lock clamping position 220 of the lock tongue 200 is in the reset movement state and passes through the locking clamping block 310, the lifting insertion block 230 on the lock tongue 200 uses the lifting inclined surface 231 to pry the pressing end 420 to pry the limiting end 410 of the flap 400, so that the limiting end 410 is separated from the snow load blocking block 330, and at this time, the lifting insertion block 230 is always in abutment with the pressing end 420, so as to ensure that the limiting end 410 is separated from the locking piece 300, at this time, the locking piece 300 can be pressed to the lock tongue 200 under the driving of the second reset device, so as to be ready for locking, then after the user unlocks, the electric suction lock can always keep the unlocking state, ensure that the tail door can be normally opened, prevent the electric suction lock and the tail door support rod from being in a tough situation, protect the tail door or the electric suction lock, reduce the maintenance frequency and maintenance cost, and improve the service life; secondly, if other unexpected conditions cause the driving device 520 to fail, the user can also use the hand to grab the hand-dialing part 610 to drive the emergency rod 600 to unlock, so as to ensure that the tail door can be unlocked and opened.

[0052] With reference to Figure 2 It should be noted that the first reset device, the second reset device, the third reset device, and the fourth reset device 530 are all torsional springs, which are used to drive the lock tongue 200, the locking piece 300, the flap 400, and the emergency rod 600 to reset. In addition, the first reset device, the second reset device, the third reset device, and the fourth reset device 530 can also be tensile springs or compression springs.

[0053] With reference to Figure 1 and Figure 2 In the preferred embodiment of the application, the mounting seat 500 includes a first mounting plate and a second mounting plate, and the first mounting plate is arranged at an angle with the second mounting plate. The angle needs to be adapted to the tail door of the automobile, and the arrangement of the angle can make the unlocking device of the electric suction lock of the automobile more compact, so as to avoid occupying too much installation space. The unlocking assembly 700 is arranged on the first mounting plate, the substrate 100 is arranged on the second mounting plate, and the lock tongue 200 and the locking piece 300 are located between the substrate 100 and the second mounting plate.

[0054] With reference to and Figure 6 and Figure 10In the preferred embodiment of the present application, the pressing end 420 is provided with a guide curve surface 421 matched with the lifting inclined surface 231. The guide curve surface 421 can reduce the friction between the lifting inclined surface 231 and the pressing end 420, facilitate the insertion of the extending end of the lifting plug 230 into the gap between the pressing end 420 and the base plate 100, increase the distance between the pressing end 420 and the base plate 100 better through the cooperation of the lifting inclined surface 231, facilitate the prying of the limiting end 410 of the lifting plate 400, and facilitate the separation of the limiting end 410 from the locking member 300.

[0055] With reference to Figure 4 And Figure 11 In the preferred embodiment of the present application, the locking tongue 200 is provided with a connecting block 250 connected with the lifting plug 230, and the connecting block 250 and the locking tongue 200 form an accommodating groove 260 for accommodating the pressing end 420. When the pressing end 420 is lifted by the lifting plug 230, the pressing end 420 extends into the accommodating groove 260 along the lifting inclined surface 231, so that the pressing end 420 better abuts against the lifting plug 230, and the separation of the limiting end 410 from the locking member 300 is facilitated.

[0056] With reference to Figure 11 In the preferred embodiment of the present application, the end of the accommodating groove 260 away from the lifting inclined surface 231 is provided with a limiting baffle 270. The limiting baffle 270 can prevent the pressing end 420 from escaping from the end of the accommodating groove 260 away from the lifting inclined surface 231, ensure that the pressing end 420 can come out of the accommodating groove 260 along the original path, and ensure the reliable unlocking action.

[0057] With reference to Figure 10 In the preferred embodiment of the present application, the side of the pressing end 420 away from the base plate 100 is provided with an avoiding inclined surface 422 inclined to the base plate 100. The avoiding inclined surface 422 can make the pressing end 420 better extend into the accommodating groove 260, reduce the interference between the pressing end 420 and the accommodating groove 260, and facilitate the pressing end 420 to enter and exit the accommodating groove 260.

[0058] With reference to Figure 10 In the preferred embodiment of the present application, the limiting end 410 is provided with a round corner 411. When the limiting end 410 is pried by the pressing end 420 through the lifting plug 230, the round corner 411 can reduce the friction between the limiting end 410 and the snow load stop block 330, and facilitate the separation of the limiting end 410 from the snow load stop block 330.

[0059] With reference to Figure 11In the preferred embodiment of the present application, the lock tongue 200 is provided with a hooking groove 240; the half-locking position 220, the full-locking position 210 and the hooking groove 240 are sequentially arranged on the outer side of the lock tongue 200 along the rotation direction of the lock tongue 200, so that the full-locking position 210 and the half-locking position 220 sequentially pass through the locking block 310 when the lock tongue 200 is reset and unlocked, so as to allow the locking block 310 to fully or half lock the lock tongue 200.

[0060] With reference to Figure 2 And Figure 9 In the preferred embodiment of the present application, the locking member 300 comprises a pivot portion 340, a connecting arm 350 and a pushing section 360 which are sequentially arranged; the locking block 310 is arranged on the connecting arm 350; the pivot portion 340 is pivoted with the second pivot 120; and the snow load stop block 330 and the snow load stop surface 320 are both located on the side of the pushing section 360 facing the base plate 100. The locking member 300 is a long-arm type swing piece, one end of which is the pivot portion 340, so that the locking block 310 can be more conveniently moved by driving the pushing section 360, thereby facilitating unlocking; and the snow load stop block 330 is located on the pushing section 360, so that the snow load stop block 330 has a larger swing radius and a longer swing path, which facilitates abutting against the limiting end 410, and the unlocking assembly 700 can use smaller force to drive the locking member 300 to unlock, so as to reduce the output force of the driving device 520 and the force used by the user when manually unlocking.

[0061] With reference to Figure 2 And Figure 12In the preferred embodiment of the present application, the unlocking assembly 700 comprises a first connecting rod 710 and a second connecting rod 720; the first end of the first connecting rod 710 is pivotally connected to the middle part of the emergency lever 600, and the second end of the first connecting rod 710 is pivotally connected to the first end of the second connecting rod 720; the middle part of the second connecting rod 720 is pivotally connected to the mounting base 500 through the fifth pivot 540; and the second end of the second connecting rod 720 has an unlocking pushing part 730 for pushing the toggle segment 360 to rotate in the unlocking direction. The movement track of the toggle segment 360 partially overlaps the movement track of the unlocking pushing part 730, and the emergency lever 600, the first connecting rod 710 and the second connecting rod 720 form a three-connecting-rod mechanism to drive the unlocking pushing part 730 on the second connecting rod 720 to move. During the movement, the unlocking pushing part 730 contacts the toggle segment 360 of the locking piece 300, and the unlocking pushing part 730 pushes the locking piece 300 to move in the unlocking direction, so that the locking clamping block 310 on the locking piece 300 is separated from the full-lock clamping position 210, and the electric lock is unlocked. After the unlocking is completed, the fourth reset device 530 drives the emergency lever 600 to reset, and the emergency lever 600 drives the unlocking pushing part 730 to reset through the first connecting rod 710 and the second connecting rod 720, so as to be ready for the next unlocking. It should be noted that a torsional spring for driving the unlocking pushing part 730 to reset is arranged on the mounting base 500, so as to increase the reset torque of the second connecting rod 720, ensure that the second connecting rod 720 resets around the fifth pivot 540, ensure that the second connecting rod 720 is separated from the toggle segment 360, and avoid interfering with the locking action of the locking piece 300.

[0062] With reference to Figure 1 And Figure 15 In the preferred embodiment of the present application, the electric lock of the tailgate further comprises an upper cover 800; the upper cover 800 is arranged on the mounting base 500, and the upper cover 800 and the mounting base 500 have a mounting cavity therebetween; the unlocking assembly 700, the fourth reset device 530, the emergency lever 600 and the driving device 520 are arranged in the mounting cavity; the upper cover 800 has an opening communicating with the mounting cavity, and the hand toggle part 610 extends from the opening to the outside of the upper cover 800. The upper cover 800, the unlocking assembly 700, the fourth reset device 530, the emergency lever 600 and the driving device 520 are located on the first mounting plate of the mounting base 500, and the upper cover 800 is used for covering the unlocking assembly 700, the fourth reset device 530, the emergency lever 600 and the driving device 520, so as to avoid being exposed, protect the driving structure and ensure that the driving structure is not damaged. The hand toggle part 610 extending from the opening can ensure that a user can grasp the hand toggle part 610 to unlock.

[0063] With reference to Figures 13 to 15In the preferred embodiment of the present application, the electric suction lock of the tailgate further comprises a third connecting rod 900, a fourth connecting rod 950, and a transmission block 280 connected with the lock tongue 200; the first end of the third connecting rod 900 is provided with a first pushing block 910 for pushing; the middle part of the third connecting rod 900 is pivotally connected to the mounting seat 500 through the sixth pivot 550; the second end of the third connecting rod 900 is pivotally connected to the first end of the fourth connecting rod 950 through the seventh pivot 920; the second end of the fourth connecting rod 950 is provided with a second pushing block 960 for pushing the transmission block 280; the driving device 520 is provided with an output swing rod 521 between the first pushing block 910 and the emergency lever 600 and for pushing the first pushing block 910 or the emergency lever 600; the output swing rod 521 can change the swing direction according to the driving direction of the driving device 520 to push the first pushing block 910 or the emergency lever 600. When the output swing rod 521 swings to the emergency lever 600, it is in the unlocking direction as shown by the B direction of Figure 2 , to push the emergency lever 600 to rotate around the fourth pivot 510 to drive the unlocking assembly 700 to push the locking member 300 to unlock.

[0064] When the output swing rod 521 swings to the first pushing block 910, it is in the locking direction as shown by the C direction of Figure 13 ; the output swing rod 521 pushes the first pushing block 910 to drive the third connecting rod 900 to swing, the fourth connecting rod 950 drives the second pushing block 960 to move along a predetermined path, and the second pushing block 960 pushes the transmission block 280 to move in the reverse direction of the reset movement direction of the lock tongue 200, i.e., the lock tongue 200 moves in the locking direction until the locking block 310 abuts against the full-locking block 210; the movement track of the transmission block 280 partially overlaps with the predetermined path of the second pushing block 960.

[0065] The transmission block 280 is arranged on the lock tongue 200 and extends in the length direction to the second mounting plate; when the output swing rod 521 drives the first pushing block 910 to swing around the sixth pivot 550, the third connecting rod 900 drives the fourth connecting rod 950 to move along a predetermined track to push the transmission block 280, so that the lock tongue 200 moves in the locking direction until the locking block 310 abuts against the full-locking block 210 to reach the locking position; thus, one driving device 520 can drive the electric suction lock to perform the locking action and the unlocking action, which can effectively reduce the production cost of the electric suction lock.

[0066] It should be noted that the driving device 520 is a driving motor which can rotate forward and reverse to drive the output swing rod 521 to swing in two directions to perform the unlocking action and the locking action. In addition, a worm and worm reduction mechanism can be used to connect the output swing rod 521 to drive the output swing rod 521 to rotate.

[0067] Referring to Figures 13 to 16In the preferred embodiment of the present application, the second dial block 960 comprises a first push plate 961 and a first sliding block 962; the first push plate 961 is fixedly connected with the second end of the fourth connecting rod 950; the first push plate 961 is formed with an avoiding groove 963 which is adapted to the transmission block 280; the first sliding block 962 is fixedly connected with the first push plate 961; the inner wall of the upper cover 800 is formed with a sliding groove 810 along a predetermined path; and the first sliding block 962 is slidably arranged in the sliding groove 810. The sliding groove 810 is the predetermined path of the second dial block 960, and the movement track of the second dial block 960 is determined by the cooperation of the sliding groove 810 and the first sliding block 962, so as to ensure that the avoiding groove 963 of the second dial block 960 can abut against the transmission block 280 to transmit power to the lock tongue 200 and make the lock tongue 200 perform the locking action.

[0068] It should be noted that torsional springs can be arranged at the sixth pivot shaft 550 and the seventh pivot shaft 920; the sixth pivot shaft 550 can drive the third connecting rod 900 to reset when the output swing rod 521 performs the unlocking action, so as to restore the position of the fourth connecting rod 950 for the next locking action; and the seventh pivot shaft 920 can press the second dial block 960 towards the sliding groove 810 under the torsional force of the torsional spring, so as to ensure that the second dial block 960 can move along the sliding groove 810 and prevent the second dial block 960 from deviating.

[0069] Referring to Figure 2 , Figure 15 and Figure 16 In the preferred embodiment of the present application, the emergency rod 600 is provided with a third dial block 620 for pushing the first push plate 961; the movement track of the first push plate 961 partially overlaps with the movement track of the third dial block 620; when the driving device 520 drives the emergency rod 600 to rotate, the third dial block 620 rotates around the fourth pivot shaft 510 and pushes the first push plate 961, so as to separate the avoiding groove 963 of the first push plate 961 from the transmission block 280. That is, when the emergency rod 600 performs the unlocking action, the third dial block 620 rotates around the fourth pivot shaft 510 and pushes the first push plate 961, so as to ensure that the first push plate 961, as the locking driving arm, is away from the lock tongue 200, ensure that the lock tongue 200 will not be stuck on the first push plate 961 when it is reset, and ensure that the lock tongue 200 can normally unlock.

[0070] The application further provides an automobile, which comprises an automobile body with a tail door and the electric latch for the tail door described above, and the electric latch for the tail door is arranged at the tail of the automobile body to lock the tail door. The driving device 520 of the electric latch for the tail door drives the emergency lever 600 to drive the unlocking assembly 700 to drive the locking piece 300 to move in the unlocking direction, and the flap 400 falls into the snow load clamping position 332 on the locking piece 300 after the locking piece 300 is unlocked, so as to ensure that the locking clamping block 310 of the locking piece 300 is separated from the lock bolt 200, facilitate the unlocking rotation of the lock bolt 200, ensure that the electric latch can be normally unlocked, and when the half-lock clamping position 220 of the lock bolt 200 is in the reset movement state and passes through the locking clamping block 310, the lifting plug 230 on the lock bolt 200 uses the lifting inclined surface 231 to pry the pressing end 420, so as to pry the limiting end 410 of the flap 400, so that the limiting end 410 is separated from the snow load blocking block 330, and at this time, the lifting plug 230 is always in abutment with the pressing end 420, so as to ensure that the limiting end 410 is separated from the locking piece 300, at this time, the locking piece 300 can be pressed to the lock bolt 200 under the driving of the second reset device, so as to be ready for locking, then after the user unlocks, the electric latch can always keep the unlocking state, ensure that the tail door can be normally opened, prevent the situation that the electric latch and the tail door support rod fight, protect the tail door or the electric latch, reduce the maintenance frequency and maintenance cost, and improve the service life; secondly, if other unexpected conditions cause the driving device 520 to fail, the user can also use the hand to grab the hand-dialing part 610 to drive the emergency lever 600 to unlock, so as to ensure that the tail door can be unlocked and opened.

[0071] The above is only the preferred embodiment of the application, and it should be pointed out that, for ordinary skilled persons in the art, some improvements and replacements can be made without departing from the technical principles of the application, and these improvements and replacements should also be regarded as the protection scope of the application.

Claims

1. A tailgate electric suction lock, characterized in that, include: The package includes a top cover, a mounting base, a base plate mounted on the mounting base, a latch pivotally connected to the base plate via a first pivot, a locking member pivotally connected to the base plate via a second pivot, a rocker arm pivotally connected to the base plate via a third pivot, an emergency lever pivotally connected to the mounting base via a fourth pivot, a drive device mounted on the mounting base and driving the emergency lever to rotate, and an unlocking assembly connected to the middle of the emergency lever and used to drive the locking member to move in the unlocking direction. The latch is provided with a full lock position and a half lock position; the rocker is located between the locking member and the base plate; the two ends of the rocker are a limiting end and a pressing end, respectively; the locking member is provided with a locking block that cooperates with the full lock position or the half lock position; the side of the locking member facing the base plate is provided with a snow load stop surface; the snow load stop surface is provided with a snow load block; the side of the snow load block facing the base plate is provided with an abutment surface, and the side of the snow load block facing the latch forms a snow load position with the snow load stop surface for cooperating with the limiting end; the base plate is provided with a first reset device for driving the latch to unlock, a second reset device for driving the locking member closer to the latch, and a third reset device for driving the limiting end closer to the snow load stop surface; the mounting base is provided with a fourth reset device for driving the emergency lever to reset; the emergency lever is provided with a hand lever extending outside the mounting base. When the locking block abuts against the full lock position; the limiting end abuts against the abutting surface; When the driving device drives the emergency lever to rotate, the emergency lever drives the unlocking component to drive the locking member to rotate in the unlocking direction, the locking block separates from the full lock position, and the limiting end abuts against the snow load position under the drive of the third reset device; The locking tongue is provided with a lifting insert for extending into the gap between the pressing end and the base plate, and the extending end of the lifting insert is provided with a lifting slope; when the half-locking position is in the reset movement state and passes the locking block, the lifting slope extends into the gap between the pressing end and the base plate, so that the limiting end swings and separates from the snow load block; The locking component includes a pivot portion, a connecting arm, and a toggle section arranged sequentially; the locking block is disposed on the connecting arm; the pivot portion is pivotally connected to the second pivot; and the snow load block and the snow load stop surface are both located on the side of the toggle section facing the base plate. The upper cover is disposed on the mounting base, and there is a mounting cavity between the upper cover and the mounting base; the unlocking component, the fourth reset device, the emergency lever, and the driving device are all disposed in the mounting cavity, the upper cover has an opening communicating with the mounting cavity, and the manual lever extends from the opening to the outside of the upper cover.

2. The tailgate electric suction lock according to claim 1, characterized in that, The unlocking assembly includes a first link and a second link; a first end of the first link is pivotally connected to the middle of the emergency lever, and a second end of the first link is pivotally connected to the first end of the second link; the middle of the second link is pivotally connected to the mounting base via a fifth pivot; the second end of the second link has an unlocking push part for pushing the toggle segment to rotate in the unlocking direction.

3. The tailgate electric suction lock according to claim 1, characterized in that, It also includes: a third link, a fourth link, and a transmission block connected to the locking tongue; the first end of the third link is provided with a first lever for actuation; the middle part of the third link is pivotally connected to the mounting base via a sixth pivot; the second end of the third link is pivotally connected to the first end of the fourth link via a seventh pivot; the second end of the fourth link is provided with a second lever for pushing the transmission block; the driving device is provided with an output swing rod located between the first lever and the emergency lever for pushing the first lever or the emergency lever; When the output swing rod pushes the first lever and causes the third link to swing, the fourth link causes the second lever to move along a predetermined path, and the second lever pushes the transmission block so that the locking tongue moves in the opposite direction of the reset movement until the locking block abuts against the full lock position; the movement trajectory of the transmission block partially overlaps with the predetermined path of the second lever.

4. The tailgate electric suction lock according to claim 3, characterized in that, The second lever includes: a first push plate and a first slider; the first push plate is fixedly connected to the second end of the fourth connecting rod; the first push plate has a clearance groove adapted to the transmission block; the first slider is fixedly connected to the first push plate; the inner wall of the upper cover is provided with a sliding groove along a predetermined path; the first slider is slidably disposed in the sliding groove.

5. The tailgate electric suction lock according to claim 4, characterized in that, The emergency lever is equipped with a third lever for pushing the first push plate; the movement trajectory of the first push plate partially overlaps with the movement trajectory of the third lever. When the drive device drives the emergency lever to rotate, the third lever rotates around the fourth pivot and pushes the first push plate so that the clearance groove of the first push plate separates from the transmission block.

6. The tailgate electric suction lock according to any one of claims 1-5, characterized in that, The pressing end is provided with a guide surface that cooperates with the lifting slope.

7. The tailgate electric suction lock according to any one of claims 1-5, characterized in that, The latch is provided with a connecting block that connects to the lifting insert, and a receiving groove for accommodating the pressing end is formed between the lifting insert and the latch.

8. A car, characterized in that: Includes the tailgate electric suction lock as described in any one of claims 1 to 7.

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