CN219974188U - Tail door lock - Google Patents

Abstract

The utility model discloses a tail door lock which comprises a lock shell, a clamping plate and a stop plate, wherein the clamping plate and the stop plate are both rotationally connected to the lock shell, a reset piece for driving the clamping plate and the stop plate to rotationally reset is arranged on the lock shell, an unlocking block is horizontally and slidingly connected to the lock shell, a driving motor for driving the unlocking block to move so as to drive the stop plate to rotationally unlock is arranged on the lock shell, a transmission mechanism for driving the driving motor and the unlocking block to move back to the unlocking direction is arranged between the driving motor and the unlocking block, the unlocking block is horizontally and slidingly connected to the lock shell, the unlocking block is driven by a motor to move so as to drive the stop plate to rotationally complete unlocking when the unlocking is needed, the motor stops working after the unlocking block is driven by the reset spring, the motor only needs to unlock for one time, forward and reverse rotation is not needed, the number of times of use of the motor is effectively reduced, the purpose of correspondingly reducing energy consumption is achieved, the service life of the motor is longer, and the tail door lock has better durability.

Description

Tail door lock

Technical Field

The utility model relates to the field of automobile door locks, in particular to a tail door lock.

Background

The tail door lock of the automobile is a lockset for locking the trunk of the automobile, and unlocking of the tail door lock of the general automobile is realized by electric operation at present, namely the trunk can be automatically unlocked.

For example, chinese patent publication No. CN109113464a discloses a full-automatic automobile tail door lock, which comprises a lock shell, a large lock tongue and a small lock tongue, wherein the large lock tongue and the small lock tongue are both rotatably arranged on the lock shell, a motor is arranged on the lock shell and is in transmission connection with a middle spur gear, and a shifting block for shifting the rotation of the small lock tongue is arranged at the lower end of the middle spur gear. The full-automatic automobile tail door lock can automatically complete the function of half lock or full lock under the condition that the trunk cover is put down through the driving of the motor and a reasonable transmission structure, thereby greatly facilitating the use of the trunk.

The rotation of the shifting block is realized by means of the positive and negative rotation of the motor, the power source transmission of the motor is realized by means of the structure of the worm gear, and then the shifting block is required to be driven to be restored to the original position after unlocking is completed, the shifting block is also required to be realized by means of the reverse rotation of the motor, namely the motor is required to be positively and negatively operated for two times after unlocking once, the problem of high energy consumption exists, and the problem of high energy consumption is required to be further improved.

Disclosure of Invention

In order to further reduce energy consumption, the utility model provides a tail gate lock.

The utility model provides a tail door lock, which adopts the following technical scheme:

the utility model provides a tail-gate lock, includes lock shell, cardboard and detent board all rotate and connect on the lock shell, be provided with the piece that resets that order about cardboard and detent board to rotate and reset on the lock shell, horizontal sliding connection has the unblock piece on the lock shell, be provided with the driving motor that is used for promoting the unblock piece and removes in order to promote the detent board rotation and unblock on the lock shell, be provided with the drive mechanism of transmission two between driving motor and the unblock piece, be provided with the reset spring who orders about the unblock piece and remove dorsad unblock direction on the lock shell.

Through adopting above-mentioned technical scheme, unblock piece horizontal sliding connection is on the lock shell, drives the unblock piece with the help of motor work when needs the unblock and removes the promotion detent plate and rotate and accomplish the unblock, and motor stop work after accomplishing, the removal of unblock piece is reset and is realized by means of reset spring drive, and the motor only need the unblock corotation can, need not corotation, effectively reduces the number of times of use of motor, reaches the purpose of corresponding reduction energy consumption, and the life of motor is longer moreover, has better durability.

Optionally, the drive mechanism is including rotating the threaded rod of connection on the lock shell, be provided with driven gear on the threaded rod, be provided with on driving motor's the output shaft with driven gear engagement's driving gear, the unblock piece cup joints on the threaded rod and rather than threaded connection, the diapire level butt lock shell of unblock piece.

Through adopting above-mentioned technical scheme, driving motor rotates and drives the driving gear and rotate, and then drives driven gear and threaded rod rotation, drives the unlocking piece and realizes adjusting along threaded rod axial horizontal slip with the help of lead screw transmission's principle, simple structure and transmission are stable.

Optionally, reset spring cup joints on the threaded rod, reset spring's one end butt is on unlocking piece, and the other end butt is on driven gear.

Through adopting above-mentioned technical scheme, reset spring cup joints and possesses better stability on the threaded rod, and inside threaded rod can play radial support's effect to reset spring, and reset spring can be better carries out axial flexible deformation.

Optionally, the diameter of the driven gear is larger than the diameter of the driving gear.

Through adopting above-mentioned technical scheme, can play corresponding decelerating effect like this at power transmission's in-process, the removal that corresponds unlocking piece is adjusted and is had stationarity more, avoids the excessive condition of regulation at a glance.

Optionally, rotate on the lock shell and be connected with operating handle, operating handle middle part rotates and connects on the lock shell, operating handle top exceeds the lock shell and forms the operating end, operating handle's bottom is used for promoting the detent board and rotates towards the unblock direction.

Through adopting above-mentioned technical scheme, operating handle's setting makes the tail-gate tool to lock prepare the function of manual unblock, and the function is more complete, can carry out the unblock operation through manual when electronic unable opening, more possesses the practicality.

Optionally, the protruding gag lever post that is equipped with in one side of operating handle, protruding stopper that is used for gag lever post butt that is equipped with on the lock shell, the stopper is used for restricting operating handle's turned angle stroke.

Through adopting above-mentioned technical scheme, the design of gag lever post restricts operating handle turned angle stroke, avoids operating handle to rotate excessive condition, also is convenient for operate people in time accurately to learn that current rotation is put in place.

Optionally, the top of lock shell has the bulge loop, the operation handle epirelief is equipped with the projection that inserts in the bulge loop, the projection has the trip along axial extension, the height of trip reduces gradually from the one end that is close to operation handle to the other end, the one end that the trip is close to operation handle is the joint face, the joint face is used for the terminal surface that the operation handle was kept away from to the butt bulge loop.

Through adopting above-mentioned technical scheme, only need aim at projection and bulge loop in the installation and insert, the inclined plane atress of trip is deformation inwards during the period until the trip resumes deformation after passing whole bulge loop, and the joint face butt realizes that axial spacing is fixed on the bulge loop terminal surface, simple to operate is swift and possess the spacing that axial is good.

Optionally, the lock shell includes drain pan and top shell, top shell passes through screw connection with the drain pan and fixes, the drain pan corresponds unlocking piece department and has seted up the logical groove that runs through, the drain pan corresponds logical groove and can dismantle and be connected with the apron that is used for sealing logical groove.

Through adopting above-mentioned technical scheme, when need overhauling or observing the structure of unblock piece department, only need pull down the apron can, need not to pull down whole drain pan, the operation is more convenient.

Optionally, two sides of the bottom shell are provided with outward turned mounting parts, and mounting holes are formed in the mounting parts.

Through adopting above-mentioned technical scheme, the installation of tail lock is convenient for to the installation of the installation department that turns up, does not shelter from and interfere around when the mounting hole department installation screw or bolt are fixed, the operation of being convenient for.

Optionally, a plastic shield is sleeved on one side of the lock shell.

Through adopting above-mentioned technical scheme, the design of plastics guard shield can play better dustproof and decorative effect.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the unlocking block is adjusted in a linear movement mode by means of the motor and the threaded rod, reset of the unlocking block after unlocking is achieved by means of the reset spring, energy consumption and starting times of the motor are effectively reduced, and the service life of the motor is longer;

2. the manual unlocking function is additionally added, the manual unlocking and the electric unlocking are mutually independent and do not interfere, and when the electric unlocking cannot be used, the manual unlocking can be adopted, so that the electric unlocking device has practicability;

3. the installation and the disassembly operation of the operation handle are convenient and quick, and the operation efficiency is effectively improved.

Drawings

Fig. 1 is an overall configuration diagram of embodiment 1.

Fig. 2 is an internal structural view of embodiment 1 in an unlocked state.

Fig. 3 is an internal structural view of embodiment 1 in a locked state.

Fig. 4 is a view angle structure diagram of the back direction of embodiment 1.

Fig. 5 is a back view structural diagram of embodiment 1 after concealing the cover plate.

Fig. 6 is an overall configuration diagram of embodiment 2.

Reference numerals illustrate:

1. a clamping plate; 2. a stop plate; 3. a clamping groove; 4. a lock case; 41. a bottom case; 42. a top shell; 5. a groove; 6. a reset member; 7. a locking groove; 8. a clamping block; 9. unlocking the block; 10. an extension; 11. a driving motor; 12. a threaded rod; 13. a drive gear; 14. a driven gear; 15. a return spring; 16. a convex portion; 17. an operation handle; 18. a limit rod; 19. a limiting block; 20. a convex ring; 21. a convex column; 22. a hook; 23. an inclined surface; 24. a clamping surface; 25. a through groove; 26. a cover plate; 27. a mounting part; 28. a mounting hole; 29. a plastic shield.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment 1 of the utility model discloses a tail door lock.

As shown in fig. 1 and 2, a tail door lock comprises a lock shell 4, a clamping plate 1 and a stop plate 2, wherein the clamping plate 1 and the stop plate 2 are all rotationally connected inside the lock shell 4, a clamping groove 3 for clamping a locking hook on an automobile tail door is formed in one side of the lock shell 4, a groove 5 for clamping the locking hook is formed in the clamping plate 1 corresponding to the clamping groove 3, a locking groove 7 is formed in one side of the clamping plate 1, which is close to the stop plate 2, one end, which is close to the clamping groove 3, of the clamping plate 2 is rotationally connected to the lock shell 4, a clamping block 8 for being clamped with the locking groove 7 to form a locking state is formed in a protruding mode, a reset piece 6 for driving the stop plate 2 to reset towards the locking state direction and driving the clamping plate 1 to reset towards the unlocking direction is arranged on the lock shell 4, the reset piece 6 is specifically a torsion spring, and specifically referring to fig. 3, the locking hook on the automobile tail door is clamped into the groove 5 and then enters the clamping plate 1, until the position of the clamping groove 7 corresponds to the clamping block 8, the stop plate 2 is rotationally connected to the clamping block 8 under the action of the reset piece 6, so that the clamping block 8 and the locking plate 7 can not be stably locked to the locking of the automobile tail door 1.

As shown in fig. 2, an unlocking block 9 is horizontally and slidably connected to the lock housing 4, an extension part 10 is arranged on the stop plate 2 towards the unlocking block 9, the extension part 10 is on the moving path of the unlocking block 9 and is pushed by the unlocking block 9, the unlocking block 9 pushes the extension part 10 to enable the stop plate 2 to rotate, a clamping block 8 is separated from the locking groove 7, and the clamping plate 1 is restored to an unlocking state under the action of the reset piece 6 to complete unlocking; a driving motor 11 for driving the unlocking block 9 to move is arranged in the lock shell 4, a transmission mechanism for transmitting the driving motor 11 and the unlocking block 9 is arranged between the driving motor 11 and the unlocking block 9, the transmission mechanism comprises a threaded rod 12, a driving gear 13 and a driven gear 14, the threaded rod 12 is rotationally connected to the lock shell 4, the driving gear 13 is fixed on an output shaft of the driving motor 11, the driven gear 14 is fixed on the threaded rod 12 and meshed with the driving gear 13, the unlocking block 9 is sleeved on the threaded rod 12 and is in threaded connection with the threaded rod 12, the bottom of the unlocking block 9 is abutted to the bottom wall of the lock shell 4, the unlocking block 9 cannot rotate relative to the threaded rod 12, and then the driving motor 11 rotates to drive the unlocking block 9 to horizontally slide to push the stop plate 2 to unlock; a reset spring 15 is sleeved on the threaded rod 12, one end of the reset spring 15 is abutted on the unlocking block 9, the other end of the reset spring 15 is abutted on the driven gear 14, the reset spring 15 is used for driving the unlocking block 9 to move and reset towards the unlocking position, the unlocking block 9 is driven by the driving motor 11 to move to finish unlocking, then the work is stopped, the unlocking block 9 is restored to the original position under the action of the reset spring 15, the reset is not needed by reversing by the driving motor 11, the reset efficiency is high, the aim of saving energy consumption is achieved, and meanwhile, the service life of the driving motor 11 is effectively prolonged; the outer diameter of the driving gear 13 is smaller than that of the driven gear 14, and the corresponding speed reduction purpose is realized in the transmission process.

As shown in fig. 1 and fig. 3, the lock case 4 includes a bottom case 41 and a top case 42, the bottom case 41 and the top case 42 are fixed by screw connection, the bottom case 41 has a convex portion 16 extending obliquely upwards, an operation handle 17 is rotatably connected to the convex portion 16, the top end of the operation handle 17 is higher than the convex portion 16 to form an operation end, the bottom end of the operation handle 17 is used for pushing the extension portion 10 to drive the stop plate 2 to complete corresponding unlocking, and under the condition that electric unlocking cannot be performed, the operation handle 17 can be manually rotated to unlock, so that the lock is more practical; a limiting rod 18 extends from one side of the bottom end of the operating handle 17, and a limiting block 19 for blocking the limiting rod 18 is arranged on the bottom shell 41 in a protruding mode, and the limiting block 19 is used for limiting the rotation stroke of the limiting rod 18 and avoiding the condition of excessive rotation in the rotation operation process.

As shown in fig. 3 and 4, the top of the protruding portion 16 is provided with a protruding ring 20, the operating handle 17 is provided with a protruding column 21 for inserting the protruding ring 20, the protruding column 21 extends in the axial direction to form a clamping hook 22, the height of the clamping hook 22 gradually decreases from one end close to the operating handle 17 to the other end to form an inclined surface 23, one end of the clamping hook 22 close to the operating handle 17 is a clamping surface 24, the clamping surface 24 abuts against the end surface of the protruding ring 20 to realize axial limiting, the clamping hook 22 is enabled to deform inwards to be inserted into the protruding ring 20 by means of the inclined surface 23 in actual installation, when the clamping hook 22 penetrates out of the protruding ring 20, the clamping hook 22 is reset to be enabled to abut against the end surface of the protruding ring 20 away from the operating handle 17 to complete clamping, the operation is simple and convenient, and the clamping hook 22 is pressed when the clamping hook 22 is disassembled to enable the clamping hook 20 to be separated from the protruding ring 20.

As shown in fig. 4 and 5, a through slot 25 is formed in the back position of the bottom shell 41 corresponding to the unlocking block 9 and the threaded rod 12, a cover plate 26 is covered at the through slot 25, the through slot 25 can be closed by means of the cover plate 26, the cover plate 26 is detachably connected with the bottom shell 41 through screws, and when the unlocking block 9 and the threaded rod 12 are required to be checked or overhauled, the cover plate 26 is only required to be detached, so that the device is simple and convenient.

As shown in fig. 5, mounting portions 27 extend from two sides of the bottom case 41, mounting holes 28 are formed in the mounting portions 27, the mounting portions 27 are used for connecting and fixing the tail lock door with other components, the mounting holes 28 are located outside the lock case 4, and there is no bottom wall for shielding and interference, so that mounting operation is facilitated for screws.

The working principle of the embodiment is as follows: the latch hook on the car tail-gate is packed into from draw-in groove 3, the latch hook gets into the recess 5 of cardboard 1 and drives cardboard 1 rotation until draw-in groove 7 and fixture block 8 position correspond, stop plate 2 makes fixture block 8 card go into draw-in groove 7 and accomplish the locking to the latch hook under the effect of reset piece 6, when needs unblock, driving motor 11 work is driven to unlock piece 9 removal and is promoted the extension 10 of stop plate 2, stop plate 2 rotates and makes fixture block 8 break away from draw-in groove 7, cardboard 1 resumes the normal position under the effect of reset piece 6, cardboard 1 rotates and drives the latch hook to deviate from draw-in groove 3 and accomplish the unblock, also can promote extension 10 through manual rotation operating handle 17 in the actual operation and accomplish the unblock.

Example 2

A tail gate lock, as shown in fig. 6, is different from the embodiment 1 mainly in that a plastic shield 29 is sleeved outside one side of the lock case 4, and the plastic shield 29 is designed to have better dustproof and decorative effects.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. The utility model provides a tail-gate lock, includes lock shell (4), cardboard (1) and detent board (2) all rotate and connect on lock shell (4), its characterized in that: be provided with on the lock shell (4) and order about cardboard (1) and stop plate (2) rotate reset piece (6) that resets, horizontal sliding connection has unblock piece (9) on the lock shell (4), be provided with on the lock shell (4) and be used for promoting to unlock piece (9) removal in order to promote drive motor (11) that stop plate (2) rotated the unblock, be provided with the drive mechanism of transmission two between drive motor (11) and unblock piece (9), be provided with on the lock shell (4) and order about reset spring (15) that unlock piece (9) moved in the unblock direction dorsad.

2. A tail gate lock as claimed in claim 1, wherein: the transmission mechanism comprises a threaded rod (12) which is rotationally connected to the lock shell (4), a driven gear (14) is arranged on the threaded rod (12), a driving gear (13) meshed with the driven gear (14) is arranged on an output shaft of the driving motor (11), the unlocking block (9) is sleeved on the threaded rod (12) and is in threaded connection with the threaded rod, and the bottom wall of the unlocking block (9) is horizontally abutted to the lock shell (4).

3. A tail gate lock as claimed in claim 2, wherein: the reset spring (15) is sleeved on the threaded rod (12), one end of the reset spring (15) is abutted on the unlocking block (9), and the other end of the reset spring is abutted on the driven gear (14).

4. A tail gate lock as claimed in claim 2, wherein: the diameter of the driven gear (14) is larger than that of the driving gear (13).

5. A tail gate lock as claimed in claim 1, wherein: the lock is characterized in that an operating handle (17) is rotationally connected to the lock shell (4), the middle of the operating handle (17) is rotationally connected to the lock shell (4), the top end of the operating handle (17) is higher than the lock shell (4) to form an operating end, and the bottom end of the operating handle (17) is used for pushing the stop plate (2) to rotate towards the unlocking direction.

6. A tail gate lock as claimed in claim 5, wherein: one side of the operating handle (17) is convexly provided with a limiting rod (18), the lock shell (4) is convexly provided with a limiting block (19) for the abutting of the limiting rod (18), and the limiting block (19) is used for limiting the rotating angle travel of the operating handle (17).

7. A tail gate lock as claimed in claim 5, wherein: the top of lock shell (4) has bulge loop (20), protruding projection (21) in inserting bulge loop (20) that are equipped with in operating handle (17), projection (21) are along axial extension has trip (22), the height of trip (22) is from the one end that is close to operating handle (17) to the other end reduce gradually, the one end that trip (22) is close to operating handle (17) is joint face (24), joint face (24) are used for butt bulge loop (20) to keep away from the terminal surface of operating handle (17).

8. A tail gate lock as claimed in claim 1, wherein: the lock shell (4) comprises a bottom shell (41) and a top shell (42), the top shell (42) is fixedly connected with the bottom shell (41) through screws, a through groove (25) penetrating through the bottom shell (41) is formed in the position, corresponding to the unlocking block (9), of the bottom shell (41), and a cover plate (26) used for sealing the through groove (25) is detachably connected with the bottom shell (41) corresponding to the through groove (25).

9. A tail gate lock as claimed in claim 8, wherein: both sides of the bottom shell (41) are provided with outward-turned mounting parts (27), and mounting holes (28) are formed in the mounting parts (27).

10. A tail gate lock as claimed in claim 1, wherein: one side of the lock shell (4) is provided with a plastic shield (29) in a sleeved mode.