CN209780519U - Self-absorption tail door lock assembly - Google Patents
Self-absorption tail door lock assembly Download PDFInfo
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- CN209780519U CN209780519U CN201821424102.6U CN201821424102U CN209780519U CN 209780519 U CN209780519 U CN 209780519U CN 201821424102 U CN201821424102 U CN 201821424102U CN 209780519 U CN209780519 U CN 209780519U
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- pawl
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- ratchet wheel
- lock
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Abstract
the utility model provides a from inhaling tail-gate lock assembly, which comprises a housin, the lock body of setting in the casing, set up in the casing and be used for the lock body locking from inhaling locking mechanism, and set up in the casing and be used for the electronic unlocking mechanism with the lock body unblock, the lock body includes the ratchet, the pawl, the lockpin, the pawl can mesh and the locking with the ratchet, be equipped with first back shaft and second back shaft in the casing, the ratchet cover is established on first back shaft, the pawl cover is established on the second back shaft, still the cover is equipped with ratchet reset torsion spring on the first back shaft, the one end and the ratchet of ratchet reset torsion spring are connected, still the cover is equipped with pawl reset torsion spring on the first back shaft, the one end and the pawl of pawl reset torsion spring are connected, seted up on. The utility model provides a multi-functional from inhaling tail lock, the function is comprehensive, rational in infrastructure, and whole volume is less, and the stability in use is higher, can deal with various fault conditions fast, guarantees from inhaling the use of tail lock.
Description
Technical Field
The utility model belongs to the technical field of automobile door lock technique and specifically relates to a from inhaling tail-gate lock assembly.
Background
The automobile tail door lock is a device which is arranged on a trunk cover, can lock an automobile trunk and can be opened through the internal structure of the automobile tail door lock, is an important automobile body accessory, has a safety protection effect, ensures reliable locking of the automobile door in normal use, prevents accidental opening, and ensures smooth opening of the automobile door when the automobile door needs to be opened.
In the prior art, when the trunk of the automobile trunk needs to be closed, the trunk of the automobile trunk generally needs to be closed by manual operation, so that the trunk of the automobile trunk may not be completely closed (in a half-locking state), thereby affecting the driving safety, or inconvenience is caused by repeated closing operation, and the requirements of the increasingly developed functions of the current automobile door lock cannot be met. Therefore, some manufacturers have developed self-priming door locks, but the self-priming door locks have complex structures and high manufacturing costs, and are mostly applied to some million-level high-end vehicle models. Certainly, the existing self-priming lock also has some defects, such as poor stability, high failure rate and the like, and when some emergency situations need to be faced, for example, when a motor in the door lock is powered off, the door lock fails, and cannot be opened or locked.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned not enough of prior art, the utility model provides a from inhaling tail-gate lock assembly.
The technical proposal of the utility model for solving the technical problem is that: a self-absorption tail door lock assembly comprises a shell, a lock body arranged in the shell, a self-absorption locking mechanism arranged in the shell and used for locking the lock body, and an electric unlocking mechanism arranged in the shell and used for unlocking the lock body, wherein the lock body comprises a ratchet wheel, a pawl and a lock pin, the pawl can be meshed with the ratchet wheel and locked, a first support shaft and a second support shaft are arranged in the shell, the ratchet wheel is sleeved on the first support shaft, the pawl is sleeved on the second support shaft, a ratchet wheel reset torsion spring is further sleeved on the first support shaft, one end of the ratchet wheel reset torsion spring is connected with the ratchet wheel, a pawl reset torsion spring is further sleeved on the first support shaft, one end of the pawl reset torsion spring is connected with the pawl, and the ratchet wheel is provided with a lock hole with an opening, the lock pin can be inserted into the lock hole;
The self-priming locking mechanism comprises a first motor, a first gear transmission mechanism in transmission connection with the first motor, a guy cable with one end connected to the first gear transmission mechanism, and an upper locking rod connected to the other end of the guy cable, wherein the first motor is started after receiving a locking signal and drives the first gear transmission mechanism, the guy cable and the upper locking rod in sequence, and the upper locking rod can be abutted against the ratchet wheel and drives the ratchet wheel to rotate, so that the ratchet wheel is meshed with the pawl for locking;
The electric unlocking mechanism comprises a second motor, a second gear transmission mechanism in transmission connection with the second motor, and a sliding block in transmission connection with the output end of the second gear mechanism, the second motor is started after receiving an unlocking signal, the second motor drives the second gear transmission mechanism and the sliding block in sequence, the sliding block can be abutted against the pawl and drives the pawl to rotate, and therefore the pawl is separated from the ratchet wheel for unlocking;
The shell in still be equipped with emergent release mechanism, emergent release mechanism include the unblock rocking arm, the one end of this unblock rocking arm can with the pawl butt, the other end expose outside the casing and with the casing rotate and be connected, utilize the exposed one end of external instrument control unblock rocking arm and order about the unblock rocking arm to rotate during emergent unblock, the unblock rocking arm can with pawl butt and drive the pawl rotation, thereby the pawl with the ratchet break away from the unblock.
Preferably, the first gear transmission mechanism comprises a worm arranged on the output shaft of the first motor, a transmission gear meshed with the worm, and a cable gear meshed with the transmission gear and connected with the cable.
Preferably, the second gear transmission mechanism comprises a gear set in transmission connection with the output shaft of the second motor and a screw rod in transmission connection with the gear set, and the slide block sleeve is connected with and driven by the screw rod.
Preferably, the outer end of the screw rod is provided with a plug, and a slider reset torsion spring is arranged between the plug and the slider.
Preferably, the snow-carrying snow remover further comprises a snow carrying rod, a ratchet boss is arranged on the ratchet wheel, a pawl boss is arranged on the pawl, the snow carrying rod is a V-shaped snow carrying rod, the turning part of the V-shaped snow carrying rod is rotatably connected with the shell and divides the snow carrying rod into a guiding part and a limiting part, the guiding part can be abutted against the ratchet boss, a first gear groove and a second gear groove are arranged on the limiting part, and the pawl boss can be inserted into the first gear groove or the second gear groove;
When the tail door lock is closed, the lock pin drives the ratchet wheel to move, the ratchet wheel drives the pawl to rotate, the pawl boss drives the snow carrying rod to rotate, so that the guide part is separated from the ratchet wheel boss, the pawl boss is positioned in the first gear groove, the ratchet wheel is meshed with the pawl, the pawl blocks the opening of the lock hole, and the lock pin is continuously locked in the lock hole;
When the tail door lock is opened, the unlocking mechanism drives the pawl to rotate, the pawl boss moves into the second gear groove and is continuously kept in the position state, the ratchet wheel cannot be meshed with the pawl at the moment, a large gap exists between the pawl and the lock hole, and the lock pin can be separated from the ratchet wheel from the opening of the lock hole, so that the tail door lock is kept in the opening state, and the unlocking function under snow load is realized.
Preferably, the protruding pivot that is equipped with in turn department of V style of calligraphy snow year pole, the casing on be equipped with and change the hole, the pivot insert to change in the hole, pivot downwardly extending form the torsional spring bracing piece, snow year pole reset torsion spring cover establish the torsional spring bracing piece on.
preferably, a first gear shaft and a second gear shaft are arranged in the shell, the transmission gear is sleeved on the first gear shaft, the inhaul cable gear is sleeved on the second gear shaft, the first gear shaft is further sleeved with a gear reset pressure spring and a floating pressing block, the gear reset pressure spring is located below the transmission gear and abutted against the lower end of the transmission gear, the floating pressing block is located above the transmission gear and abutted against the upper end of the transmission gear, an operation hole is formed in the shell, and the position of the operation hole is matched with that of the floating pressing block.
preferably, the transmission gear is a duplex transmission gear, and the duplex transmission gear comprises an input worm gear meshed with the worm and an output gear meshed with the inhaul cable gear.
preferably, the pawl is convexly provided with a butting block, the unlocking rocker arm is perpendicular to the pawl and is arranged in parallel with the butting block, so that the unlocking rocker arm can be butted with the butting block and pushes the pawl to rotate in the rotating process;
The slider with the pawl vertical setting, and with butt piece parallel arrangement, the slider on be equipped with the linkage piece to the slider removes the in-process can with butt piece butt and promote the pawl and rotate.
preferably, the unlocking rocker arm is further provided with a rocker arm reset torsion spring.
The beneficial effects of the utility model reside in that: the utility model provides a multi-functional from inhaling tail lock has realized from inhaling the emergent unblock function of the briquetting, the snow load function of unblanking of locking function, electronic unblock function, the emergent function of unblanking of lock body, electronic release mechanism, and the function is comprehensive, rational in infrastructure, and whole volume is less, and stability in use is higher, can deal with various fault conditions fast, guarantees from inhaling the use of tail lock.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Figure 3 is an exploded schematic view of the lock body and the electric unlocking mechanism.
Figure 4 is a schematic structural view of the lock body and the electric unlocking mechanism.
Fig. 5 is an exploded view of the self-priming locking mechanism.
Fig. 6 is a schematic structural view of the self-priming locking mechanism.
figure 7 is a schematic structural view of the lock body.
Figure 8 is a schematic view of the construction of the snow lever and lock body.
Figure 9 is a schematic structural view of the unlocking rocker arm and the lock body.
Fig. 10 is a schematic view of the structure of the snow lever.
fig. 11 is a schematic structural view of the transmission gear.
Fig. 12 is a schematic view of the structure of the slider.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 12, a self-priming tail door lock assembly includes a housing 1, a lock body disposed in the housing 1, a self-priming locking mechanism disposed in the housing 1 and used for locking the lock body, and an electric unlocking mechanism disposed in the housing 1 and used for unlocking the lock body, wherein the lock body includes a ratchet 2, a pawl 3 and a lock pin 5, the pawl 3 can be engaged with the ratchet 2 and locked, the housing 1 is provided with a first support shaft 6 and a second support shaft 7, the ratchet 2 is sleeved on the first support shaft 6, the pawl 3 is sleeved on the second support shaft 7, the first support shaft 6 is further sleeved with a ratchet reset torsion spring 8, one end of the ratchet reset torsion spring 8 is connected with the ratchet 2, the first support shaft 6 is further sleeved with a pawl reset torsion spring 9, one end of the pawl reset torsion spring 9 is connected with the pawl 3, the ratchet wheel 2 is provided with a lock hole 10 with an opening, and the lock pin 5 can be inserted into the lock hole 10;
the self-priming locking mechanism comprises a first motor 11, a first gear transmission mechanism in transmission connection with the first motor 11, a guy cable 12 with one end connected to the first gear transmission mechanism, and an upper locking rod 13 connected to the other end of the guy cable 12, wherein the first motor 11 is started after receiving a locking signal and sequentially drives the first gear transmission mechanism, the guy cable 12 and the upper locking rod 13, the upper locking rod 13 can be abutted against the ratchet 2 and drives the ratchet 2 to rotate, and therefore the ratchet 2 and the pawl 3 are meshed and locked;
The electric unlocking mechanism comprises a second motor 14, a second gear transmission mechanism in transmission connection with the second motor 14 and a sliding block 15 in transmission connection with the output end of the second gear mechanism, the second motor 14 is started after receiving an unlocking signal and drives the second gear transmission mechanism and the sliding block 15 in sequence, and the sliding block 15 can be abutted against the pawl 3 and drives the pawl 3 to rotate, so that the pawl 3 is separated from the ratchet 2 for unlocking;
the emergency unlocking mechanism comprises an unlocking rocker arm 16, one end of the unlocking rocker arm 16 can be abutted to the pawl 3, the other end of the unlocking rocker arm 16 is exposed out of the shell 1 and is rotationally connected with the shell 1, an external tool is used for controlling the exposed end of the unlocking rocker arm 16 and driving the unlocking rocker arm 16 to rotate during emergency unlocking, the unlocking rocker arm 16 can be abutted to the pawl 3 and drives the pawl 3 to rotate, and therefore the pawl 3 is separated from the ratchet wheel 2 for unlocking. When the emergency unlocking mechanism is used, the opening 43 opposite to the unlocking rocker arm 16 is formed in the shell 1, an external tool extends into the shell from the opening 43 and stirs the unlocking rocker arm 16 to enable the external tool to abut against the pawl 3 and drive the pawl 3 to rotate for unlocking.
In this embodiment, the first gear transmission mechanism includes a worm 17 disposed on the output shaft of the first motor 11, a transmission gear 18 engaged with the worm 17, and a cable gear 19 engaged with the transmission gear 18 and connected with the cable 12. The second gear transmission mechanism comprises a gear set 20 in transmission connection with an output shaft of the second motor 14 and a screw 21 in transmission connection with the gear set 20, and the sliding block 15 is sleeved on the screw 21 and driven by the screw 21. This first gear drive mechanism and second gear drive mechanism's structural grouping is simple reasonable, has good transmission effect, and stability is high, only needs less occupation volume, accords with the theory of lightweight design.
in this embodiment, a plug 22 is disposed at an outer end of the screw 21, and a slider return torsion spring 23 is disposed between the plug 22 and the slider 15. The plug 22 can be used to limit the slider return torsion spring 23 and slider 15 from disengaging the screw. Through the setting of slider reset torsion spring 23, after the unblock, need not the motor reversal and reset, slider 15 can receive the elasticity automatic re-setting of slider reset torsion spring 23 to initial position, has effectively reduced the load of second motor 14, consequently more energy-conserving, and life is longer.
In this embodiment, the snow carrying pole further comprises a snow carrying pole 4, the ratchet wheel 2 is provided with a ratchet boss 24, the pawl 3 is provided with a pawl boss 25, the snow carrying pole 4 is a V-shaped snow carrying pole, the turning part of the V-shaped snow carrying pole is rotatably connected with the shell and divides the snow carrying pole 4 into a guiding part 26 and a limiting part 27, the guiding part 26 can be abutted against the ratchet boss 24, the limiting part 27 is provided with a first gear groove 28 and a second gear groove 29, and the pawl boss 25 can be inserted into the first gear groove 28 or the second gear groove 29. The snow load structure that this embodiment provided, rational in infrastructure, the operation is smooth, and the main function is exactly can make pawl boss 25 continuously keep in the second gear groove 29 of snow load pole 4 after the tail-gate lock unblock for ratchet 2 and pawl 3 can't mesh, thereby prevent that the condition that the tail-gate lock from closing repeatedly under the heavy and leading to the tail-gate can't be opened takes place.
In the use process, when the tail door lock is closed, the lock pin 5 drives the ratchet wheel 2 to move, the ratchet wheel 2 drives the pawl 3 to rotate, the pawl boss 25 drives the snow rod 4 to rotate, so that the guide part 26 is separated from the ratchet wheel boss 24, the pawl boss 25 is positioned in the first gear groove 28, the ratchet wheel 2 is meshed with the pawl 3, the pawl 3 blocks the opening of the lock hole 10, and the lock pin 5 is continuously locked in the lock hole 10; when the tail gate lock is opened, the unlocking mechanism drives the pawl 3 to rotate, the pawl boss 25 moves into the second gear groove 29 and is continuously kept in the position state, at the moment, the ratchet wheel 2 and the pawl 3 cannot be meshed, a large gap exists between the pawl 3 and the lock hole 10, and the lock pin 5 can be separated from the ratchet wheel 2 from the opening of the lock hole 10, so that the tail gate lock is kept in an opened state, and the unlocking function under snow load is realized.
Preferably, the protruding pivot 30 that is equipped with in turn department of V style of calligraphy snow year pole, the casing on be equipped with and change the hole, pivot 30 insert to change in the hole, pivot 30 downwardly extending form torsional spring bracing piece 31, snow year pole reduction torsional spring 32 cover establish torsional spring bracing piece 31 on. This structure is convenient for production and assembly, and can effectively save the space that occupies, and the snow carries pole reset torsion spring 32's of being convenient for fixed and stable use.
in this embodiment, a first gear shaft 33 and a second gear shaft 34 are arranged in the housing 1, the transmission gear 18 is sleeved on the first gear shaft 33, the cable gear 19 is sleeved on the second gear shaft 34, the first gear shaft 33 is further sleeved with a gear return compression spring 35 and a floating pressing block 36, the gear return compression spring 35 is located below the transmission gear 18 and is abutted against the lower end of the transmission gear 18, the floating pressing block 36 is located above the transmission gear 18 and is abutted against the upper end of the transmission gear 18, the housing 1 is provided with an operation hole 37, and the position of the operation hole 37 is matched with the floating pressing block 36. The setting of gear pressure spring 35 and floating pressure block 36 that resets is passed through to this embodiment, realizes that the motor outage emergency will be from inhaling the tail-gate lock unblock down, and simple structure is reasonable, and occupation space is less, and convenient operation is swift.
During the proruption outage condition in the use, can't lead to unable opening from inhaling tail-gate lock through 11 unblocks of first motor, among the prior art, often need use comparatively complicated structure to carry out manual gear disengaging and open the door, often need open the casing and carry out the gear disengaging action, the operation is very troublesome. The utility model provides a need not to open the casing from the lock assembly, only need utilize the instrument to pass operation hole 37 and exert pressure to briquetting 36 that floats for gear reset pressure spring 35 atress shrink, and then drive gear 18 also does the action of sinking, and throw off with worm 17, thereby release drive gear 18, also make cable gear 19 and cable 12 get the release simultaneously, and then operating personnel can directly open and carry out other operations from inhaling tail gate lock. After the power is restored, the tool is released, and the floating press block 36 can return to a normal position by means of the elastic force of the gear return spring, so that the worm wheel is meshed with the worm 17 again, and normal operation of locking and unlocking actions is guaranteed.
Preferably, the transmission gear 18 is a dual transmission gear, and the dual transmission gear includes an input worm gear 38 engaged with the worm 17 and an output gear 39 engaged with the cable gear 19. Through the structural design of this preferred scheme, it is simple more reasonable, can save under the condition of occupation space, realize the transmission of motor to cable gear 19.
In this embodiment, the pawl 3 is convexly provided with an abutting block 40, the unlocking rocker arm 16 is vertically arranged with the pawl 3 and is arranged in parallel with the abutting block 40, so that the unlocking rocker arm 16 can abut against the abutting block 40 and push the pawl 3 to rotate in the rotating process; the sliding block 15 is perpendicular to the pawl 3 and parallel to the abutting block 40, and the sliding block 15 is provided with a linkage block 41, so that the linkage block 41 can abut against the abutting block 40 and push the pawl 3 to rotate in the moving process of the sliding block 15. Adopt the structure of this embodiment, under the circumstances of guaranteeing to be multiple functional, can make holistic distribution more reasonable, the holistic volume of structure is littleer, eliminates unnecessary interference, and is reliable and stable during the use.
In this embodiment, the unlocking rocker arm 16 is further provided with a rocker arm return torsion spring 42. Through the setting of rocking arm reset torsion spring 42, after emergent unblock, unblock rocking arm 16 can return to initial position automatically with the help of rocking arm reset torsion spring 42's elasticity, less manual operation, labour saving and time saving more, and compare in manual reset, the position after resetting through rocking arm reset torsion spring 42 is more accurate.
the utility model provides a from inhaling tail-gate lock assembly has following function:
1. self-priming locking function: when the tail door lock is in a half-lock state (not completely closed), a half-lock signal is fed back to an ECU (electronic control unit) of the vehicle body through a lock body of the tail door lock, the ECU controls a first motor to be electrified and work, the first motor drives a worm, a transmission gear, a cable and an upper lock rod in sequence, and finally a ratchet wheel is pushed to be meshed with a pawl to move from the half-lock state to a full-lock state, so that a self-priming locking function is realized.
2. An electric unlocking function: when the tail door lock is in a locking position, an unlocking signal is sent to the automobile body ECU, the automobile ECU is electrified to the second motor, and the second motor drives the gear set, the screw rod and the sliding block to move in sequence, so that the pawl is pushed to move to be separated from the ratchet wheel, and the electric unlocking function is realized.
3. emergency opening function: when the circuit of the automobile breaks down, the unlocking rocker arm is rotated to drive the pawl to move, so that the pawl is separated from the ratchet wheel, the automobile door is opened from the inside of the automobile body, and the emergency opening function is realized.
4. The emergency unlocking function of the floating pressing block is as follows: when the automobile meets the condition of sudden power failure in the self-absorption process, the first motor stops, the self-locking force of the worm wheel and the worm leads to the fact that the tail door lock cannot be opened, the floating pressing block can be pressed from the inside of the automobile body at the moment, the worm wheel and the worm are separated, self-locking is eliminated, the ratchet wheel can be opened under stress, and the emergency unlocking function of the floating pressing block is achieved.
5. Snow load function: when the automobile runs into snowfall weather, the load of the rear cover accumulated snow is too heavy, the load of the rear unlocking tail gate cannot be bounced, and the condition that the ratchet wheel and the pawl are meshed again after unlocking at the moment can exist, so that the tail gate cannot be opened. The snow load rod can realize that when the load is overweight, ratchet, pawl keep the state of separating after the unblock, and the lock is in the open mode continuously, realizes the lock function under the snow load, and when the tail lock was opened, the snow load function was relieved.
The utility model provides a multi-functional from inhaling tail lock realizes from inhaling the emergent unblock function of the unsteady briquetting of locking function, electronic unblock function, lock body emergency unlocking function, electronic release mechanism, the snow year function of unblanking, and the function is comprehensive, rational in infrastructure, and whole volume is less, and the stability in use is higher, can deal with various fault conditions fast, guarantees from inhaling the use of tail lock.
Claims (10)
1. The utility model provides a from inhaling tail door lock assembly, includes the casing, sets up the lock body in the casing, set up in the casing and be used for with the lock body is locked from inhaling locking mechanism and set up in the casing and be used for with the electronic release mechanism of lock body unblock which characterized in that: the lock body comprises a ratchet wheel, a pawl and a lock pin, the pawl can be engaged with the ratchet wheel and locked, a first support shaft and a second support shaft are arranged in the shell, the ratchet wheel is sleeved on the first support shaft, the pawl is sleeved on the second support shaft, a ratchet wheel reset torsion spring is further sleeved on the first support shaft, one end of the ratchet wheel reset torsion spring is connected with the ratchet wheel, a pawl reset torsion spring is further sleeved on the first support shaft, one end of the pawl reset torsion spring is connected with the pawl, a lock hole with an opening is formed in the ratchet wheel, and the lock pin can be inserted into the lock hole;
The self-priming locking mechanism comprises a first motor, a first gear transmission mechanism in transmission connection with the first motor, a guy cable with one end connected to the first gear transmission mechanism, and an upper locking rod connected to the other end of the guy cable, wherein the first motor is started after receiving a locking signal and drives the first gear transmission mechanism, the guy cable and the upper locking rod in sequence, and the upper locking rod can be abutted against the ratchet wheel and drives the ratchet wheel to rotate, so that the ratchet wheel is meshed with the pawl for locking;
The electric unlocking mechanism comprises a second motor, a second gear transmission mechanism in transmission connection with the second motor, and a sliding block in transmission connection with the output end of the second gear mechanism, the second motor is started after receiving an unlocking signal, the second motor drives the second gear transmission mechanism and the sliding block in sequence, the sliding block can be abutted against the pawl and drives the pawl to rotate, and therefore the pawl is separated from the ratchet wheel for unlocking;
The shell in still be equipped with emergent release mechanism, emergent release mechanism include the unblock rocking arm, the one end of this unblock rocking arm can with the pawl butt, the other end expose outside the casing and with the casing rotate and be connected, utilize the exposed one end of external instrument control unblock rocking arm and order about the unblock rocking arm to rotate during emergent unblock, the unblock rocking arm can with pawl butt and drive the pawl rotation, thereby the pawl with the ratchet break away from the unblock.
2. The self-priming tail gate lock assembly of claim 1, wherein: the first gear transmission mechanism comprises a worm arranged on an output shaft of the first motor, a transmission gear meshed with the worm, and a cable gear meshed with the transmission gear and connected with the cable.
3. The self-priming tail gate lock assembly of claim 1, wherein: the second gear transmission mechanism comprises a gear set in transmission connection with the output shaft of the second motor and a screw rod in transmission connection with the gear set, and the sliding block sleeve is connected with the screw rod and driven by the screw rod.
4. the self-priming tail gate lock assembly of claim 3, wherein: the outer end of the screw rod is provided with a plug, and a slider reset torsion spring is arranged between the plug and the slider.
5. The self-priming tail gate lock assembly of claim 1, wherein: the snow load pole is V-shaped, the turning part of the V-shaped snow load pole is rotatably connected with the shell and divides the snow load pole into a guide part and a limiting part, the guide part can be abutted against the ratchet wheel boss, the limiting part is provided with a first gear groove and a second gear groove, and the pawl boss can be inserted into the first gear groove or the second gear groove;
When the tail door lock is closed, the lock pin drives the ratchet wheel to move, the ratchet wheel drives the pawl to rotate, the pawl boss drives the snow carrying rod to rotate, so that the guide part is separated from the ratchet wheel boss, the pawl boss is positioned in the first gear groove, the ratchet wheel is meshed with the pawl, the pawl blocks the opening of the lock hole, and the lock pin is continuously locked in the lock hole;
When the tail door lock is opened, the unlocking mechanism drives the pawl to rotate, the pawl boss moves into the second gear groove and is continuously kept in the position state, the ratchet wheel cannot be meshed with the pawl at the moment, a large gap exists between the pawl and the lock hole, and the lock pin can be separated from the ratchet wheel from the opening of the lock hole, so that the tail door lock is kept in the opening state, and the unlocking function under snow load is realized.
6. The self-priming tail door lock assembly of claim 5, wherein: the protruding pivot that is equipped with in turn department of V style of calligraphy snow year pole, the casing on be equipped with and change the hole, the pivot insert to change in the hole, pivot downwardly extending form the torsional spring bracing piece, snow carry the pole reset torsion spring cover and establish torsional spring bracing piece on.
7. The self-priming tail gate lock assembly of claim 2, wherein: the cable pulling device is characterized in that a first gear shaft and a second gear shaft are arranged in the shell, the transmission gear is sleeved on the first gear shaft, the pull cable gear is sleeved on the second gear shaft, the first gear shaft is further sleeved with a gear resetting pressure spring and a floating pressing block, the gear resetting pressure spring is located below the transmission gear and abutted against the lower end of the transmission gear, the floating pressing block is located above the transmission gear and abutted against the upper end of the transmission gear, an operation hole is formed in the shell, and the position of the operation hole is matched with the floating pressing block.
8. The self-priming tail gate lock assembly of claim 7, wherein: the transmission gear is a duplex transmission gear, and the duplex transmission gear comprises an input worm gear meshed with the worm and an output gear meshed with the inhaul cable gear.
9. the self-priming tail gate lock assembly of claim 1, wherein: the pawl is convexly provided with a butting block, the unlocking rocker arm is perpendicular to the pawl and is parallel to the butting block, so that the unlocking rocker arm can be butted with the butting block and pushes the pawl to rotate in the rotating process;
The slider with the pawl vertical setting, and with butt piece parallel arrangement, the slider on be equipped with the linkage piece to the slider removes the in-process can with butt piece butt and promote the pawl and rotate.
10. The self-priming tail gate lock assembly of claim 1, wherein: and the unlocking rocker arm is also provided with a rocker arm reset torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424102.6U CN209780519U (en) | 2018-08-31 | 2018-08-31 | Self-absorption tail door lock assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424102.6U CN209780519U (en) | 2018-08-31 | 2018-08-31 | Self-absorption tail door lock assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780519U true CN209780519U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821424102.6U Expired - Fee Related CN209780519U (en) | 2018-08-31 | 2018-08-31 | Self-absorption tail door lock assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780519U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979367A (en) * | 2018-08-31 | 2018-12-11 | 宁波华楷电子科技有限公司 | A kind of self-priming tail-gate lock assembly |
| CN110984732A (en) * | 2019-12-31 | 2020-04-10 | 无锡忻润汽车安全***有限公司 | Mechanism for ensuring unlocking state of tail door under frozen condition |
| CN112177449A (en) * | 2020-10-29 | 2021-01-05 | 无锡忻润汽车安全***有限公司 | Integrated trunk lock for automobile |
| CN112943002A (en) * | 2021-01-19 | 2021-06-11 | 重庆长安汽车股份有限公司 | Collision self-locking structure of vehicle door external-open handle |
-
2018
- 2018-08-31 CN CN201821424102.6U patent/CN209780519U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979367A (en) * | 2018-08-31 | 2018-12-11 | 宁波华楷电子科技有限公司 | A kind of self-priming tail-gate lock assembly |
| CN110984732A (en) * | 2019-12-31 | 2020-04-10 | 无锡忻润汽车安全***有限公司 | Mechanism for ensuring unlocking state of tail door under frozen condition |
| CN112177449A (en) * | 2020-10-29 | 2021-01-05 | 无锡忻润汽车安全***有限公司 | Integrated trunk lock for automobile |
| CN112177449B (en) * | 2020-10-29 | 2024-05-10 | 无锡忻润汽车安全***有限公司 | Integrated trunk lock for automobile |
| CN112943002A (en) * | 2021-01-19 | 2021-06-11 | 重庆长安汽车股份有限公司 | Collision self-locking structure of vehicle door external-open handle |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191213 Termination date: 20210831 |