CN109458071A - Engine hood lock and automobile - Google Patents
Engine hood lock and automobile Download PDFInfo
- Publication number
- CN109458071A CN109458071A CN201811275783.9A CN201811275783A CN109458071A CN 109458071 A CN109458071 A CN 109458071A CN 201811275783 A CN201811275783 A CN 201811275783A CN 109458071 A CN109458071 A CN 109458071A
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- China
- Prior art keywords
- pawl
- ratchet
- engine hood
- screw rod
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 29
- 230000014759 maintenance of location Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
- E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
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- Superstructure Of Vehicle (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of engine hood locks, it include: pawl, ratchet, shell, screw rod, drive block, elastic element and automatically controlled driving assembly for driving screw rod rotation, pawl, ratchet, screw rod and drive block are arranged in shell, ratchet can rotate between the first position of the lock for locking hood and the second position of the lock for discharging hood, elastic element is connect with ratchet and shell, elastic element is for providing the power for rotating ratchet from first position to the second position, the axis of screw rod and the shaft of pawl are vertical, drive block is arranged on pawl, drive block is connect with screw flight, drive block is used to cooperate with screw rod to drive pawl rotation, pawl can cooperate with ratchet ratchet is locked at first position.The present invention is able to achieve the automatic opening or closing of hood, convenient for operation.
Description
Technical field
The present invention relates to field of automobile, in particular to a kind of engine hood lock and automobile.
Background technique
With the development of science and technology, automobile intelligence and automation require it is higher and higher.Hood as automobile one
Part is also required to intelligently to open or close, and the key for controlling hood switch is engine hood lock.Current
Engine hood lock includes ratchet, pawl and shell, and ratchet and pawl is rotatably arranged in shell.Wherein, pawl is controllablely
Locked position and latched position are turned to, when pawl is in the unlocked position, pawl does not offset with ratchet cooperation, and ratchet then can be voluntarily
Turn to unlocking condition；When pawl is in unlock fixation, pawl offsets with ratchet cooperation rotate ratchet can not, by hood
Lock locking.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
The prior art generallys use manpower and the mode of bracing wire is pulled to pull pawl rotation, to realize the switch of hood,
It is not easy to operate.
Summary of the invention
The embodiment of the invention provides a kind of engine hood locks, can facilitate unlatching hood.The technical solution is as follows:
On the one hand, the embodiment of the invention provides a kind of engine hood lock, the engine hood lock include: pawl, ratchet,
Shell, screw rod, drive block, elastic element and the automatically controlled driving assembly for driving the screw rod rotation, the pawl, the spine
Wheel, the screw rod and the drive block are arranged in the shell, and the ratchet can be in the lock for locking hood
Rotated between the first position of button and the second position of the lock for discharging the hood, the elastic element with it is described
Ratchet is connected with the shell, and the elastic element makes the ratchet from the first position to the second position for providing
The power of rotation, the axis of the screw rod is vertical with the shaft of the pawl, and the drive block is arranged on the pawl, described
Drive block is connect with the screw flight, and the drive block is used to cooperate with the screw rod to drive the pawl rotation, described
Pawl can cooperate with the ratchet the ratchet is locked at the first position.
In an implementation of the embodiment of the present invention, the automatically controlled driving assembly includes: motor, the first transmission gear
With the second transmission gear, first transmission gear is co-axially located on the output shaft of the motor, second transmission gear
It is co-axially located on the screw rod, first transmission gear and second transmission gear engagement.
In another implementation of the embodiment of the present invention, the automatically controlled driving assembly includes: motor and shaft coupling, institute
The output shaft for stating motor is connect by the shaft coupling with the screw coaxial.
In another implementation of the embodiment of the present invention, the pawl extends outwardly equipped with the shaft along the pawl
Interconnecting piece, the interconnecting piece is equipped with the strip-shaped hole of the shaft along the pawl radially extended, and the drive block is equipped with
Pin shaft, the pin shaft are plugged in the strip-shaped hole.
In another implementation of the embodiment of the present invention, the elastic element is torsional spring, the torsional spring and the spine
To take turns coaxially connected, the torsional spring has the first pin and second pin, and the first pin of the torsional spring is fixed on the ratchet,
The second pin of the torsional spring is fixed on the housing.
In another implementation of the embodiment of the present invention, the engine hood lock further includes resetter, described extensive
Post-equalization part is torsional spring, and the torsional spring and the pawl are coaxially connected, and the first pin of the torsional spring is fixed on the pawl, institute
The second pin for stating torsional spring is fixed on the housing.
In another implementation of the embodiment of the present invention, there is the ratchet shaft along the ratchet to extend outwardly
The first locking protrusion, the pawl have along the pawl the outwardly extending stopper protrusion of shaft, the pawl have lock
Stop bit is set and unlocked position, described to stop when the ratchet is located at the first position when the pawl is located at the lock position
Gear protrusion offsets with the first locking protrusion, when the pawl is located at the unlocked position, the stopper protrusion with it is described
The separation of first locking protrusion, the ratchet rotate under the action of the elastic element.
In another implementation of the embodiment of the present invention, the ratchet also has the shaft along ratchet outwardly extending
First retention bead and the second locking protrusion, first retention bead and the second locking protrusion are located at described first
The two sides of locking protrusion, the pawl also have outwardly extending second retention bead of shaft along the pawl, the ratchet
Also there is the third place and the 4th position, when the pawl is located at the unlocked position, the ratchet is located at the third place
When, first retention bead offsets with second retention bead, and the stopper protrusion and the first locking protrusion and
The second locking protrusion separation, when the pawl is located at the lock position, when the ratchet is located at four position, institute
It states the first retention bead to separate with second retention bead, and the stopper protrusion offsets with the second locking protrusion.
In another implementation of the embodiment of the present invention, the engine hood lock further includes for detecting the ratchet
State position detection switch.
On the other hand, the embodiment of the invention provides a kind of automobile, the automobile includes engine as previously described
Cover lock.
Technical solution provided in an embodiment of the present invention has the benefit that
The embodiment of the present invention is by setting ratchet and pawl, and configuring ratchet can be in the lock for locking hood
First position and the lock for discharging hood the second position between rotate.Wherein pawl is connect with drive block, is passed
Motion block is by the axial movement that is connected under the driving of screw rod along screw rod with screw flight, thus the side by driving drive block
Formula drives pawl rotation.Since pawl can cooperate with ratchet ratchet is locked at first position, pass through band pawl
The mode of rotation realize control ratchet be in first position to or the second position purpose, control engine hood lock to realize
Open and close purpose.And the embodiment of the present invention is due to using the control screw rod rotation of automatically controlled driving assembly, so that control hair
Motivation lid is not required to manual operation when switching, and facilitates the unlatching of hood.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of engine hood lock provided in an embodiment of the present invention；
Fig. 2 is a kind of partial structural diagram of engine hood lock provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram that a kind of ratchet provided in an embodiment of the present invention is in the second position；
Fig. 4 is the schematic diagram that a kind of ratchet provided in an embodiment of the present invention is in the third place；
Fig. 5 is the schematic diagram that a kind of ratchet provided in an embodiment of the present invention is in the 4th position；
Fig. 6 is a kind of structural schematic diagram of shaft coupling provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram that a kind of drive block provided in an embodiment of the present invention is connect with ratchet；
Fig. 8 is a kind of schematic diagram of ratchet and pawl cooperation provided in an embodiment of the present invention.
Each symbol indicates that meaning is as follows in figure:
1- pawl, 10- strip-shaped hole, 11- stopper protrusion, the second retention bead of 12-, 13- interconnecting piece, 14- plug connector, 2- spine
Wheel, the second groove of 20-, 21- the first locking protrusion, 22- the second locking protrusion, the first retention bead of 23-, 3- shell, 30- first
Groove, 4- screw rod, 5- drive block, 51- pin shaft, 61- motor, the first transmission gear of 62-, the second transmission gear of 63-, 70- first
Positioning ring, the first shaft coupling of 71-, the second positioning ring of 72-, the second shaft coupling of 73-, 81- elastic element, 82- resetter, 9- inspection
Survey switch.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of engine hood lock provided in an embodiment of the present invention.As shown in Figure 1, the engine
Cover lock includes: pawl 1, ratchet 2, shell 3, screw rod 4, drive block 5, elastic element and the automatically controlled drive for driving 4 rotation of screw rod
Dynamic component.Pawl 1, ratchet 2, screw rod 4 and drive block 5 are arranged in shell 3.Fig. 2 is one kind provided in an embodiment of the present invention
The partial structural diagram of engine hood lock.As shown in Fig. 2, ratchet 2 can be first of the lock for locking hood
It is rotated between position (ratchet position in referring to fig. 2) and the second position (referring to Fig. 3) of the lock for discharging hood.Bullet
Property element connect with ratchet 2 and shell 3, elastic element be used for provides rotate ratchet 2 from first position to the second position move
Power.The axis of screw rod 4 is vertical with the shaft of pawl 1, and drive block 5 is arranged on pawl 1, and drive block 5 is threadedly coupled with screw rod 4,
Drive block 5 is used to cooperate with screw rod 4 and be rotated with band pawl 1, and pawl 1 can cooperate with ratchet 2 ratchet 2 is locked at first
Position.
Wherein, the second groove 20 (referring to fig. 2) for locking lock is formed on ratchet 2, lock can vertically be caught in shell
In second groove 20 of the first groove 30 (referring to Fig. 1) and ratchet 2 on body 3.In above-mentioned first position, lock is limited in the
Between one groove 30 and the second groove 20, so that hood is in close state；In said second position, lock can be from
Deviate from two grooves 20 and the first groove 30, so that hood is opened.
The embodiment of the present invention is by setting ratchet and pawl, and configuring ratchet can be in the lock for locking hood
First position and the lock for discharging hood the second position between rotate.Wherein pawl is connect with drive block, is passed
Motion block is by the axial movement that is connected under the driving of screw rod along screw rod with screw flight, thus the side by driving drive block
Formula drives pawl rotation.Since pawl can cooperate with ratchet ratchet is locked at first position, pass through band pawl
The mode of rotation realize control ratchet be in first position to or the second position purpose, control engine hood lock to realize
Open and close purpose.And the embodiment of the present invention is due to using the control screw rod rotation of automatically controlled driving assembly, so that control hair
Motivation lid is not required to manual operation when switching, and facilitates the unlatching of hood.
In some embodiments of the invention, automatically controlled driving assembly may include: motor 61, the first transmission gear 62 and
Two transmission gears 63, the first transmission gear 62 are co-axially located on the output shaft of motor 61, the coaxial arrangement of the second transmission gear 63
On screw rod 4, the first transmission gear 62 and the engagement of the second transmission gear 63.Since motor 61 can be with motorized adjustment, so using
Motor 61 can substitute manpower, to realize the purpose for automatically turning on engine hood lock, improve the intelligence degree of automobile.Lead to simultaneously
It crosses the first transmission gear 62 of setting and the second transmission gear 63 engagement driving screw rod 4 rotates, adjusting motor 61 can be played and transmitted
To the purpose of the revolving speed of screw rod 4.When it is implemented, the first transmission gear 62 and the second driving cog of different drive ratios can be set
Wheel 63, to realize the rotational speed regulation of screw rod 4 to the purpose of required revolving speed.
In other embodiments of the invention, automatically controlled driving assembly may include: motor 61 and shaft coupling, motor 61 it is defeated
Shaft and screw rod 4 are coaxially connected on shaft coupling.Since motor 61 can be with motorized adjustment, so can substitute people using motor 61
Power improves the intelligence degree of automobile to realize the purpose for automatically turning on engine hood lock.Shaft coupling fast and easy is used simultaneously
The output shaft and screw rod 4 for connecting motor 61, are easily installed.
As shown in fig. 6, shaft coupling includes: the first positioning ring 70, the first shaft coupling 71, the second positioning ring 72 and the second shaft coupling
Section 73, the first positioning ring 70 is fixedly mounted on the end of the output shaft of motor 61, and the first shaft coupling 71 is sleeved on the defeated of motor 61
On shaft, and the first shaft coupling 71 is fixed on the output shaft of motor 61 by the first positioning ring 70, and the second positioning ring 72 is fixed
It is mounted on the end of transmission shaft, the second shaft coupling 73 is fixed on transmission shaft by the second positioning ring 72,71 He of the first shaft coupling
Second shaft coupling 73 is fixedly connected.The shaft coupling position using seam allowance and uses bolt fastening, and the first positioning ring 70 passes through
Screw connects the output shaft of motor 61, and the first shaft coupling 71 is fixed on the output shaft of motor 61, similarly the second positioning
Ring 72 is connected by screw to screw rod 4 (referring to Fig. 6), and the second shaft coupling 73 is fixed on screw rod 4, is realized motor 61
The power of output shaft pass to screw rod 4, dismounting when shaft coupling easy access is set, maintenance difficulty is simplified.
As shown in Fig. 1,7, pawl 1 has the outwardly extending interconnecting piece 13 of shaft from pawl 1, and interconnecting piece 13 is equipped with edge
The strip-shaped hole 10 of the shaft of pawl 1 radially extended, drive block 5 are equipped with pin shaft 51, and pin shaft 51 is plugged in strip-shaped hole 10.Its
In, finger is extended outwardly in the plane perpendicular to shaft from shaft, from the position of closer shaft to the position further away from shaft
Extend, includes the mode radially extended along shaft.Such as finger is extended outwardly perpendicular to pawl 1 from the shaft of pawl 1
In the plane of shaft, extends from the position of the shaft of closer pawl 1 to the position of the shaft further away from pawl 1, include edge
The shaft of pawl 1 extends radially outwardly.The present invention passes through the pin shaft in the strip-shaped hole 10 and drive block 5 that interconnecting piece 5 is arranged
51 with and, when drive block 5 is moved in a straight line along screw rod 4, drive block 5 can also be done in strip-shaped hole 10 with respect to strip-shaped hole 10
Linear motion, and rotated with pawl 1.
As shown in Figure 1, elastic element 81 is torsional spring, torsional spring and ratchet 2 are coaxially connected, and torsional spring has the first pin and second
First pin of pin, torsional spring is fixed on ratchet 2, and the second pin of torsional spring is fixed on shell 3.Engine hood lock also has
Support shaft 83a, wherein torsional spring (as shown in figure 1 81) and ratchet 2 coaxially refer to that torsional spring and ratchet 2 are arranged at same axis
On, i.e. torsional spring and ratchet 2 is arranged on support shaft 83a.Torsional spring structure is simple, easy for installation, and can provide biggish work
Firmly, it is ensured that ratchet 2 can be with smooth rotation.
As shown in fig. 6, engine hood lock further includes resetter 82, resetter 82 is torsional spring, and torsional spring and pawl 1 are coaxial
Connection, the first pin of torsional spring are fixed on pawl 1, and the second pin of torsional spring is fixed on shell 3.Engine hood lock also has
Support shaft 83b, wherein torsional spring (as shown in figure 1 82) is coaxially connected with pawl 1, and it is same to refer to that torsional spring is arranged at pawl 1
On root axis, i.e. torsional spring and pawl 1 is arranged on support shaft 83b.Pawl 1 has and offsets with ratchet 2 in the embodiment of the present invention
Lock position (referring to Fig. 1) and the unlocked position isolated with ratchet 2 (referring to Fig. 3).Since the first pin of torsional spring is fixed on spine
On pawl 1, second pin is fixed on shell 3, and after rotating pawl 1 to unlocked position, the active force that torsional spring generates increases, automatically controlled
Driving assembly stop provide power after, torsional spring band pawl 1 to lock position rotate, pawl 1 drive drive block 5 along screw rod again
It is moved to initial position (when pawl is in lock position, the location of drive block).
Pawl 1 is driven to return to outside lock position except through above-mentioned resetter 82, in other embodiments of the invention,
Pawl 1 can also be driven to return to lock position by the reversion of control motor 61.Compared with using resetter 82, motor is used
The mode of 61 reversions can control pawl 1 more quickly and be restored to lock position, quick release.At the same time it can also avoid using
When resetter 82, the recovery that resetter 82 provides is short of power and leads to problem of 5 clamping stagnation of drive block on screw rod 4, mentions
The reliability of high engine hood lock.
In conjunction with Fig. 2 to 5, ratchet 2 has the first locking protrusion 21 of the shaft along ratchet 2 to extend radially outwardly, pawl 1
The stopper protrusion 11 to extend radially outwardly with the shaft along pawl 1, pawl 1 have lock position and unlocked position, such as Fig. 2
Shown, when pawl 1 is located at lock position, and ratchet 2 is located at first position, stopper protrusion 11 offsets with the first locking protrusion 21,
As shown in figure 3, stopper protrusion 11 is separated with the first locking protrusion 21 when pawl 1 is located at unlocked position, ratchet 1 is in elastic member
It is rotated under the action of part 81.In the embodiment of the present invention, when pawl is in lock position and ratchet is in first position, backstop is convex
It plays 11 to offset with the first locking protrusion 21, limitation ratchet is in first position, so that the lock of hood is locked at ratchet
On.When pawl 1 is located at unlocked position, stopper protrusion 11 is separated with the first locking protrusion 21, work of the ratchet in elastic element 81
The second position is turned under, to discharge the lock of hood.
In conjunction with Fig. 2 to 5, ratchet 2 is also convex with the first retention bead 23 and the second locking to extend radially outwardly along shaft
22 are played, the first retention bead 23 and the second locking protrusion 22 are located at the two sides of the first locking protrusion 21, and pawl 1 also has edge
The second retention bead 12 of the shaft of pawl 1 to extend radially outwardly, ratchet 2 also have the third place (referring to fig. 4) and the 4th
Position (referring to Fig. 5), as shown in figure 4, when pawl 1 is located at unlocked position, when ratchet 2 is located at the third place, the first retention bead
23 offset with the second retention bead 12, and stopper protrusion 11 is separated with the first locking protrusion 21 and the second locking protrusion 22, such as Fig. 5
Shown, when pawl 1 is located at lock position, and ratchet 2 is located at four positions, the first retention bead 23 is divided with the second retention bead 12
From, and stopper protrusion 11 offsets with the second locking protrusion 22.In the embodiment of the present invention, when pawl 1 is in the unlocked position and ratchet 2
When positioned at the third place, the first retention bead 23 and the second retention bead 12 offset to limit ratchet 2 direct from first position
The second position is turned to, at this time stopper protrusion 11 and the first locking protrusion 21 and the second locking protrusion 22 separates and stopper protrusion 11
Between the first locking protrusion 21 and the second locking protrusion 22.When pawl 1 is located at lock position and ratchet is located at the 4th position
When, the first retention bead 23 is separated with the second retention bead 12 at this time and stopper protrusion 11 offsets with the second locking protrusion 22, this
When for engine hood lock semi-locked state.In addition, engine hood lock is when ratchet 2 is in first position in the embodiment of the present invention
Full lock status.I.e. the first locking protrusion 21 and the second locking protrusion 22 are arranged on ratchet 2 and cooperates pawl 1 for the embodiment of the present invention
Stopper protrusion 11, two kinds of lock states of engine hood lock may be implemented, to prevent hood in vehicle operation
It is unexpected to open, improve safety.The first retention bead 23 and the second retention bead 12 are arranged simultaneously can limit ratchet 2 from first
Position is turned directly to the second position, improves the reliability of engine hood lock.
As shown in Fig. 6,8, engine hood lock further includes the detection switch 9 for detecting the state position of ratchet 2.The present invention
In embodiment, detection switch 9 can be microswitch, on microswitch for detect position contact button and ratchet 2 it is outer
EDGE CONTACT, and the outer edge that ratchet 2 is contacted with contact button can be ellipsoid, connect so that pushing when ratchet 2 rotates
That touches button is in different shift positions, to judge which kind of position ratchet 2 goes to according to shift position.Fine motion simultaneously is opened
Pass is electrically connected to the control system, and understands the state of engine hood lock opened or closed in time convenient for driver.
In the embodiment of the present invention, engine hood lock is additionally provided with plug connector 14, plug connector 14 and motor 61,9 electricity of detection switch
Connection, for powering to motor 61, detection switch 9.Plug connector 14 can be with CAN (the Controller Area of automobile
Network, controller local area network) bus connection, it is exported with will test the testing result of switch 9 to driving indoor display mould
Block is shown, is checked for driver.
A kind of work of engine hood lock provided by the invention is former as follows: when technical staff presses engine in cockpit
When cover lock switch (such as contact touch-screen switch key) is unlocked, electrical power is simultaneously started to work, and screw rod is driven to rotate.Due to spiral shell
Bar and drive block are by being threadedly engaged, so drive block can be moved along the extending direction of screw rod, and with pawl from locking position
It sets and moves to unlocked position, ratchet moves to the 4th position, hood from first position under the action of elastic element at this time
Lock is released, and reaches half lock position from full lock position.When pawl rotation to unlocked position, motor reversal is controlled, pawl is made
Under the action of resetter and motor, lock position is quickly returned to from unlocked position, and stop motor.Engine is completed at this time
The Xie Bansuo process of lid.When needing Xie Quansuo, hood lock-switch is pressed again, and control motor is started to work, driven again
Dynamic screw rod rotation, and move to unlocked position from lock position again with pawl, ratchet is under the action of elastic element, from the
Four-position rotation moves the second position, and hood lock release reaches fully open position from half lock position.Motor reversal is controlled, spine is made
Pawl returns to lock position under the action of resetter and motor, from unlocked position state.Complete hood Xie Quansuo process.
The embodiment of the invention provides a kind of automobile, which includes engine hood lock as previously described.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of engine hood lock, which is characterized in that the engine hood lock includes: pawl (1), ratchet (2), shell (3), spiral shell
Bar (4), drive block (5), elastic element and the automatically controlled driving assembly for driving the screw rod (4) rotation, the pawl (1),
The ratchet (2), the screw rod (4) and the drive block (5) are arranged in the shell (3), and the ratchet (2) can be
Turn between the first position of lock for locking hood and the second position of the lock for discharging the hood
Dynamic, the elastic element is connect with the ratchet (2) and the shell (3), and the elastic element makes the ratchet for providing
(2) power rotated from the first position to the second position, the axis of the screw rod (4) and turning for the pawl (1)
Axis is vertical, and the drive block (5) is arranged on the pawl (1), and the drive block (5) is threadedly coupled with the screw rod (4), institute
Drive block (5) are stated for cooperating with the screw rod (4) to drive the pawl (1) to rotate, the pawl (1) can be with the spine
(2) cooperation is taken turns so that the ratchet (2) is locked at the first position.
2. engine hood lock according to claim 1, which is characterized in that the automatically controlled driving assembly include: motor (61),
First transmission gear (62) and the second transmission gear (63), first transmission gear (62) are co-axially located at the motor (61)
Output shaft on, second transmission gear (63) is co-axially located on the screw rod (4), first transmission gear (62) and
Second transmission gear (63) engagement.
3. engine hood lock according to claim 1, which is characterized in that the automatically controlled driving assembly includes: motor (61)
And shaft coupling, the output shaft of the motor (61) are coaxially connected by the shaft coupling and the screw rod (4).
4. engine hood lock according to claim 1, which is characterized in that the pawl (1) has from the pawl (1)
The outwardly extending interconnecting piece of shaft, the interconnecting piece are equipped with the strip-shaped hole of the shaft along the pawl (1) radially extended
(10), the drive block (5) is equipped with pin shaft (51), and the pin shaft (51) is plugged in the strip-shaped hole (10).
5. engine hood lock according to claim 1-4, which is characterized in that the elastic element (81) is to turn round
Spring, the torsional spring and the ratchet (2) are coaxially connected, and the torsional spring has the first pin and a second pin, and the of the torsional spring
One pin is fixed on the ratchet (2), and the second pin of the torsional spring is fixed on the shell (3).
6. engine hood lock according to claim 1-4, which is characterized in that the engine hood lock further includes extensive
It recovers part (82), the resetter (82) is torsional spring, and the torsional spring and the pawl (1) are coaxially connected, the of the torsional spring
One pin is fixed on the pawl (1), and the second pin of the torsional spring is fixed on the shell (3).
7. engine hood lock according to claim 1-4, which is characterized in that the ratchet (2) has along described
Outwardly extending first locking of the shaft of ratchet (2) is raised (21), the pawl (1) have the shaft along the pawl (1) to
The stopper protrusion (11) of outer extension, the pawl (1) have lock position and unlocked position, when the pawl (1) is positioned at described
Lock position, when the ratchet (2) is located at the first position, the stopper protrusion (11) and first locking are raised (21)
It offsets, when the pawl (1) is located at the unlocked position, the stopper protrusion (11) and first locking raised (21) point
From the ratchet (2) rotates under the action of the elastic element (81).
8. engine hood lock according to claim 7, which is characterized in that the ratchet (2) also has to be turned along ratchet (2)
Outwardly extending first retention bead (23) of axis and the second locking are raised (22), first retention bead (23) and described second
Locking protrusion (22) is located at the two sides of first locking raised (21), and the pawl (1) also has along the pawl (1)
Outwardly extending second retention bead (12) of shaft, the ratchet (2) also have the third place and the 4th position, when the spine
Pawl (1) is located at the unlocked position, when the ratchet (2) is located at the third place, first retention bead (23) and institute
It states the second retention bead (12) to offset, and the stopper protrusion (11) and first locking raised (21) and second locking
Raised (22) separation, it is described when the pawl (1) is located at the lock position, and the ratchet (2) is located at four position
First retention bead (23) is separated with second retention bead (12), and the stopper protrusion (11) and second locking are convex
(22) are played to offset.
9. engine hood lock according to claim 1-4, which is characterized in that the engine hood lock further includes using
Detection switch (9) in the state position for detecting the ratchet (2).
10. a kind of automobile, which is characterized in that the automobile includes such as the described in any item engine hood locks of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275783.9A CN109458071A (en) | 2018-10-30 | 2018-10-30 | Engine hood lock and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275783.9A CN109458071A (en) | 2018-10-30 | 2018-10-30 | Engine hood lock and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458071A true CN109458071A (en) | 2019-03-12 |
Family
ID=65608809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275783.9A Pending CN109458071A (en) | 2018-10-30 | 2018-10-30 | Engine hood lock and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458071A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110644865A (en) * | 2019-10-09 | 2020-01-03 | 上汽通用汽车有限公司 | Automobile door lock mechanism |
| CN112224288A (en) * | 2020-10-27 | 2021-01-15 | 杨克群 | Automatic switch automobile bonnet for new energy automobile |
| CN112610079A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Electric opener cover lock |
| CN112610078A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Machine cover lock |
| WO2021119975A1 (en) * | 2019-12-16 | 2021-06-24 | 江苏罗思韦尔电气有限公司 | Automobile engine cover lock device |
| CN113482460A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Can sink buffering formula aircraft bonnet lock |
| CN114150944A (en) * | 2021-12-15 | 2022-03-08 | 东风汽车有限公司东风日产乘用车公司 | Automobile flap mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110644865A (en) * | 2019-10-09 | 2020-01-03 | 上汽通用汽车有限公司 | Automobile door lock mechanism |
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| CN112224288A (en) * | 2020-10-27 | 2021-01-15 | 杨克群 | Automatic switch automobile bonnet for new energy automobile |
| CN112610079A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Electric opener cover lock |
| CN112610078A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Machine cover lock |
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| CN112610079B (en) * | 2020-11-30 | 2021-11-26 | 浙江零跑科技股份有限公司 | Electric opener cover lock |
| CN113482460A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Can sink buffering formula aircraft bonnet lock |
| CN114150944A (en) * | 2021-12-15 | 2022-03-08 | 东风汽车有限公司东风日产乘用车公司 | Automobile flap mechanism |
| CN114150944B (en) * | 2021-12-15 | 2023-02-17 | 东风汽车有限公司东风日产乘用车公司 | Automobile flap mechanism |
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Application publication date: 20190312 |
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