CN106761057B - A kind of main lock of lifting spring external car engine cover - Google Patents
A kind of main lock of lifting spring external car engine cover Download PDFInfo
- Publication number
- CN106761057B CN106761057B CN201611080126.XA CN201611080126A CN106761057B CN 106761057 B CN106761057 B CN 106761057B CN 201611080126 A CN201611080126 A CN 201611080126A CN 106761057 B CN106761057 B CN 106761057B
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- claw
- snap
- gauge
- spring
- main lock
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Classifications
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- 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
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
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- Lock And Its Accessories (AREA)
Abstract
The present invention discloses a kind of main lock of lifting spring external car engine cover, including main lock pedestal, main lock front baffle, clamp assemble, claw, snap-gauge spring, claw spring, snap-gauge pin shaft and claw pin shaft；Main lock pedestal and main lock front baffle all have the notch of accommodating hood lock, clamp assemble has the lock tongue profile of open type, the lock tongue profile, which is used for the coordinate breach when clamp assemble is located at locking position, stops engine hood lock padlock, and clamp assemble can be locked in locking position by claw.Lifting spring, snap-gauge spring and claw spring of the invention is three independent helical springs.The effect of snap-gauge spring and claw spring is to provide driving force for the reset of snap-gauge and claw, the effect of lifting spring is only limitted to the lifting to hood and provides support, claw spring clip in the present invention is in the cavity that main lock pedestal and main lock front baffle are formed, assembly is reliable, and claw spring and snap-gauge are almost invisible from apparent direction before main lock, reduce the stolen risk of enging cabin.
Description
Technical field
The present invention relates to technical field of automobile parts, refer specifically to a kind of main lock construction of hood.
Background technique
According to the regulation of state compulsion standard " 115689 auto shield of GB (lid) lock system ", if the cover that front is opened,
When its any open position all can partly or entirely interfere driver to pass through the visual field of windscreen eyes front, then the cover is locked
System, which should have, installs the second shroud cover lock system in the second lock position or the cover.Utmostly to improve the two locks
There is a variety of splitting cnginc cover lock structures, the first locking position of engine hood lock in the market in the safety coefficient that stop bit is set
Setting (main lock) and the second lock position (safety lock) is two independent parts, and this structure needs to have on hood assembly
Two hood locks, the first lock and the second lock are independent part.First lock position of engine hood lock is (main
Lock) and the first snap fit, the second lock position (safety lock) and the second snap fit.
Chinese patent " a kind of splitting cnginc cover lock " (publication No. CN103899163A, date of publication 2014.07.02) mentions
The structure for having supplied a kind of main lock of hood contains two elastic parts of strip dog tension spring and rotor tongue tension spring, rotor tongue tension spring
While realizing rotor tongue reset function, there can be upper lift effect to bonnet louver.But if lock application is started
Cover heavier-weight needs to increase the elasticity of rotor tongue tension spring to reach upper lift effect, at the same time, rotor tongue tension spring
Reset force also will increase, and the shock of rotor tongue and lock body when can aggravate to reset, noise is larger, while excessive rotor tongue tension spring
Also the sensibility for the latch system that can be increases, and the slight of interior opening handle touches the unlock that may cause main lock.And it should
Strip dog tension spring and rotor tongue tension spring in invention are spiral tension spring structure, longer from exposed part in terms of headstock direction, if
Operator's hook or other tools pull spiral tension spring by holes such as the air-inlet grilles of vehicle, main lock may be implemented
Unlock, to open hood, increases the stolen risk of enging cabin.
Summary of the invention
The problem of for background technique, the purpose of the present invention is to provide the structures, nothing such as a kind of no dowel hole
It must be using assembly tooling assembly efficiency is high, number of parts is few, production cost is low, the lifting spring external automobile of good anti-theft effect
The main lock of hood.
In order to achieve the above objectives, the main lock of lifting spring external car engine cover that the present invention designs, it is characterised in that:
Including main lock pedestal, main lock front baffle, clamp assemble, claw, snap-gauge spring, claw spring, snap-gauge pin shaft and claw pin shaft；
The main lock pedestal and main lock front baffle are riveted by snap-gauge pin shaft and claw pin shaft, and the main lock pedestal and master
It locks and is equipped with gap between front baffle；
In the gap, the clamp assemble is set in the snap-gauge for the clamp assemble and the snap-gauge spring retention
On pin shaft；On the snap-gauge pin shaft, one end is connect the snap-gauge spring wrap with clamp assemble, the other end and main lock front baffle
Connection；The clamp assemble can be around snap-gauge pin shaft in locking position reconciliation lock-bit rotation under the action of snap-gauge spring；
In the gap, the claw is set on the claw pin shaft for the claw and the claw spring retention；
The claw spring wrap is on the claw pin shaft, and one end is connect with main lock front baffle, and the other end is abutted with claw；The card
Pawl can be around claw pin shaft in locking position reconciliation lock-bit rotation under the action of claw spring；
The main lock pedestal and the main lock front baffle all have the notch of accommodating hood lock, the clamp assemble
Lock tongue profile with open type, the lock tongue profile when the clamp assemble is located at locking position for cooperating the notch that will send out
The clamp assemble can be locked in locking position by motivation cover latch locking, the claw.
Preferably, the notch is U-lag.
Preferably, the snap-gauge that the main lock pedestal is equipped with towards the gap limits flange and snap-gauge limit convex
Platform；One side is abutted with the snap-gauge limit flange when clamp assemble is located at solution lock-bit；The clamp assemble is located at locking
Its other side is abutted with snap-gauge positive stop lug boss when position.In this way, to limit displacement of the clamp assemble under the effect of snap-gauge spring.
Preferably, the first claw that the main lock pedestal is equipped with towards the gap limits flange and the second claw
Limit flange；One side is abutted with first claw limit flange when claw is located at unlocked position, and the claw is located at
Its other side is abutted with second claw limit flange when lock position.In this way, to limit displacement of the claw in gap.
Preferably, the main lock pedestal is equipped with the first mounting hole and the second mounting hole, first mounting hole
It is rectangular opening or kidney slot with the second mounting hole, and their length in the horizontal direction are greater than width on the vertical plane.
Preferably, the long axis of the long axis of first mounting hole and the second mounting hole is parallel or conllinear.
Preferably, the clamp assemble includes plastic integral snap-gauge and snap-gauge sheath；The snap-gauge sheath
It is set on the snap-gauge pin shaft, the lock tongue profile is located on the snap-gauge.
Preferably, the lock tongue profile is U-lag.
Preferably, further include lifting spring, it is described lifting spring be mounted on it is main lock front baffle surface, one end with
Front baffle connection, the other end can drive hood lock dynamic from locking position to unlock displacement.
Preferably, the main lock front baffle surface is equipped with lifting spring mounting seat, the first lifting spring retainer flange and the
Two lifting spring retainer flange；On the lifting spring mounting seat, one end is lifted with second the lifting spring wrap always
Spring retainer flange abuts, and the other end is abutted in unlocked state with the first lifting spring retainer flange.
The beneficial effects of the present invention are: lifting spring, snap-gauge spring and claw spring are three independent helical springs.Card
The effect of flat spring and claw spring is to provide driving force for the reset of snap-gauge and claw, passes through snap-gauge spring and claw spring force
The optimization design of value can satisfy the requirement of opening handle reset force, manipulation acoustic assessment etc., but the lift to hood
It rises and does not work.The effect of lifting spring is only limitted to the lifting to hood and provides support, and lifts spring and pass through clamping peace
Mounted in the foremost of main lock, and can be sent out by the force value and free end height adjustment of lifting spring, realization between different automobile types
Motivation cap assembly weight, the center of gravity demand different with the requirement of lift height only pass through the adjustment to lifting spring, Ke Yituo
Open up application range of the invention.Meanwhile the cavity that the claw spring clip in the present invention is formed in main lock pedestal and main lock front baffle
In, assembly is reliable, and claw spring and snap-gauge are almost invisible from apparent direction before main lock, reduce the stolen wind of enging cabin
Danger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (front view) of the main lock assembly of the present invention；
Fig. 2 is the structural schematic diagram (rearview) of the main lock assembly of the present invention；
Fig. 3 is the schematic diagram of base structure of the main lock of the present invention；
Fig. 4 a is the structural schematic diagram of the front baffle of the main lock of the present invention；
Fig. 4 b is the schematic perspective view of the front baffle of the main lock of the present invention；
Fig. 5 a is the structural schematic diagram of the snap-gauge of the main lock of the present invention；
Fig. 5 b is the schematic perspective view of the snap-gauge of the main lock of the present invention；
Fig. 6 a is the structural schematic diagram of the claw of the main lock of the present invention；
Fig. 6 b is the schematic perspective view of the claw of the main lock of the present invention；
Fig. 7 a is the front baffle of the main lock of the main lock of the present invention, the fit structure schematic diagram one for lifting spring and lock；
Fig. 7 b is the fit structure signal two of the front baffle, lifting spring and lock of the main lock of the main lock of the present invention；
Fig. 8 a is the cooperation schematic diagram of the front baffle of the main lock of the main lock of the present invention, lifting spring, lock and clamp assemble
One；
Fig. 8 b is the cooperation schematic diagram of the front baffle of the main lock of the main lock of the present invention, lifting spring, lock and clamp assemble
Two；
Fig. 9~Figure 11 be the main lock of the present invention snap-gauge spring, claw spring, snap-gauge and claw respectively in lockup state, face
The structural schematic diagram of boundary's state and unlocked state.
In figure: 100 main locks, 1 main lock pedestal, 2 main lock front baffles, 3 snap-gauges, 4 snap-gauge sheaths, 5 claws, 6 lifting springs, 7
Snap-gauge spring, 8 claw springs, 9 snap-gauge pin shafts, 10 claw pin shafts, 11 hoods lock, 103 first mounting holes, 104 second
Mounting hole, 105 snap-gauge bearing pin mounting holes, 106 claw bearing pin mounting holes, 107 bracing wire mounting holes, 108 alarm mounting holes, 109
Alarm mounting groove, 110 snap-gauges limit flange, 111 first claws limit flange, 112 second claws limit flange, 113 snap-gauges
Positive stop lug boss, 114 snap-gauge spring binding faces, 115 claw spring binding faces, 116 first boss, 117 second boss, 118 main lock U
Shape slot, 201 snap-gauge bearing pin mounting holes, 202 card stub shaft mounting holes, 203 claw spring mounting holes, 204 snap-gauge spring mounting holes,
205 first lifting spring retainer flange, 206 lifting spring mounting seats, 207 second lifting spring retainer flange, 208 main lock front frames
Frame U-lag, 301 snap-gauge U-lags, 302 snap-gauge confined planes, 303 snap-gauge claw mating surfaces, 304 snap-gauge confined planes, 305 snap-gauges are sliding
Dynamic face, 401 snap-gauge bearing pin mounting holes, 402 snap-gauge spring mounting holes, 403 alarm mating surfaces, 501 bracing wire mounting holes, 502 cards
Latch spring mating surface, 503 snap-gauge claw mating surfaces, 504 claw confined planes, 505 claw confined planes, 506 claw bearing pin mounting holes,
507 claw sliding surfaces, 601 lifting spring fixed ends, 602 lifting spring movable ends, 701 snap-gauge spring fixed ends, 702 snap-gauge bullets
Spring movable end, 801 claw spring fixed ends, 802 claw spring movable ends.
Specific embodiment
Below by Fig. 1~Figure 11 and the modes of some alternative embodiments of the invention is enumerated, to technology of the invention
Scheme (including optimal technical scheme) is described in further detail, any technical characteristic and any technology in the present embodiment
Scheme does not limit the scope of the invention.
As shown in Fig. 1~2, the main lock 100 in the present invention includes main lock pedestal 1, main lock front baffle 2, snap-gauge 3, snap-gauge shield
Set 4, claw 5, lifting spring 6, snap-gauge spring 7, claw spring 8, snap-gauge pin shaft 9, claw pin shaft 10.Lifting spring 6 is wrapped in
Before main lock front baffle 2, that is, the foremost of main lock 100, main lock pedestal 1 are located at the rear surface of main lock 100, clamp assemble
And claw 5 is located in the gap between main lock pedestal 1 and main lock front baffle 2.
As shown in figure 3, main lock pedestal 1 is a stamping parts comprising 103 first mounting holes, 104 second mounting holes, 105
Snap-gauge bearing pin mounting hole, 106 claw bearing pin mounting holes, 107 first bracing wire mounting holes, 108 alarm mounting holes, 109 alarms
Mounting groove, 110 snap-gauges limit flange, 111 first claws limit flange, 112 second claws limit flange, 113 snap-gauge limit convexes
Platform, 114 snap-gauge spring binding faces, 115 claw spring binding faces, 116 first boss, 117 second boss, 118 main lock U-lags,
Serial number 103 to 118 is all the feature formed by punch forming on main lock pedestal 1, wherein the first mounting hole 103 and the second peace
Dress hole 104 is rectangle shape hole or kidney slot, and the length in horizontal plane direction is greater than width on the vertical plane, and the two are pacified
The long axis for filling hole is parallel or conllinear.Hood need open position just can be carried out it is main lock 100 installation, when installation,
It respectively using a bolt and is pre-tightened on first mounting hole 103 and the second mounting hole 104, is then shut off hood, snap-gauge U
Shape slot 301 is in meshing state, is locking position, and the bolt between the first mounting hole 103 and the second mounting hole 104 is urgent,
To complete the fixation of main lock 100.
The diameter of bolt and the first mounting hole 103 and the second mounting hole 104 that above-mentioned installation method uses form positioning relation,
It is specifically positioned by short-axis direction of the diameter of bolt to the first mounting hole 103 and the second mounting hole 104, to subtract
Few bolt kind recommends to use identical bolt on the first mounting hole 103 and the second mounting hole 104.Pass through above-mentioned two spiral shell
The cooperation of bolt and two mounting holes, the main cooperation for locking the mounting surface corresponding with vehicle body of pedestal 1 limit main lock 100 except the two
Five freedom degrees of the mounting hole 103 and 104 except long axis direction translation.The end that hood lock 11 is closed with hood
, hood lock 11 and snap-gauge U-lag 301 form cooperation in the first mounting hole 103 and the second mounting hole long axis direction,
I other words hood lock 11 limits main lock 100 in the translation of the long axis direction of mounting hole 103 and 104, closed in hood
The urgent above-mentioned two bolt of posture is closed, to realize main lock and vehicle body positioning and fix.
According to the accuracy of manufacture of main lock and vehicle body, allows the first mounting hole 103 occur and the second mounting hole 104 is square
The case where hole, round hole or other shapes.Main lock cartridge cannot position main lock with bolt at this time, need using tooling come
Guarantee position of the main lock on vehicle body, such case is the differentiation within the scope of this patent, should be covered in protection scope of the present invention
Within.
Again as shown in figure 3, snap-gauge limit flange 110 and claw limit flange 112 are by main 1 deburring position of lock pedestal
The flange formed is turned down, flange direction is towards main lock front surface, that is, towards snap-gauge 3 and claw 5.First snap-gauge limits flange
111 be by it is main lock pedestal 1 stamp out one be higher by it is main lock 1 principal plane of pedestal flange or turn over tongue, snap-gauge positive stop lug boss 113
It is the boss that one stamped out in main lock pedestal 1 is higher by main lock 1 principal plane of pedestal.Above-mentioned snap-gauge limit flange 110, first blocks
The formation of plate limit flange 111, the second claw limit flange 112 and snap-gauge positive stop lug boss 113 not by flange, turn over tongue or boss
Specific structure limitation, as long as by the bulge-structure being stamped and formed out on the main lock pedestal 1 of single stamping parts by own material, and
There is position limiting structure to snap-gauge 3 and claw 5, be all the differentiation within the scope of this patent, should cover protection scope of the present invention it
It is interior.
As shown in figures 4 a and 4b, snap-gauge bearing pin mounting hole 201, card stub shaft mounting hole 202, claw spring mounting hole
203, snap-gauge spring mounting hole 204, lifting spring retainer flange 205, lifting spring retainer flange 206, lifting spring retainer turn over
Side 207 and main lock front baffle U-lag 208 are all the features on the main lock front baffle 2 of single stamping parts.Wherein snap-gauge bearing pin mounting hole
201, card stub shaft mounting hole 202, claw spring mounting hole 203 and snap-gauge spring mounting hole 204 are round or other shapes
Punching, preferably circular punching.Lifting spring retainer flange 205, lifting spring retainer flange 206 and lifting spring retainer turn over
Side 207 is the feature formed using the flange of the main lock front baffle 2 of single stamping parts.
As shown in figure 5 a and 5b, snap-gauge 3 and snap-gauge sheath 4 pass through plastic technique one clamp assemble of formation, snap-gauge pin
Shaft mounting hole 401 and snap-gauge spring mounting hole 402 are all through the through hole of snap-gauge 3 and snap-gauge sheath 4.Main 118 He of lock U-lag
The opening of main lock front baffle U-lag 208 is towards immobilizing, vertically upward always.Snap-gauge U-lag 301, main 118 and of lock U-lag
Main lock front baffle U-lag 208 after main lock unlock towards identical, upwards.Main lock is in lockup state, snap-gauge U-lag 301
Opening direction horizontally to the right.To the left, claw 5 is located at the scheme in 3 left side of snap-gauge all to the opening direction level of snap-gauge U-lag 301
It is the differentiation within the scope of this patent, is covered by the protection scope of the present invention.Snap-gauge confined planes 302, the cooperation of snap-gauge claw
Face 303, snap-gauge confined planes 304 and snap-gauge sliding surface 305 are formed by the part side of snap-gauge 3.Alarm mating surface 403 is protected by plate
The side of set 4 is formed, and thickness is determined according to the diameter of burglar alarm contact switch, in order to improve and alarm contact switch
Cooperation reliability, the preferred thickness of alarm mating surface 403 is greater than the thickness of snap-gauge sheath 4.Alarm mating surface 403 can also
It is formed with the flange by snap-gauge 3 or snap-gauge sheath 4.
As shown in figures 6 a and 6b, bracing wire mounting hole 501, claw spring mating surface 502, snap-gauge claw mating surface 503, card
Pawl confined planes 504, claw confined planes 505 and claw bearing pin mounting hole 506 are all the features on single stamping parts claw 5.Wherein
Bracing wire mounting hole 501 and claw bearing pin mounting hole 506 be pipe perforation, claw spring mating surface 502, snap-gauge claw mating surface 503,
Claw confined planes 504, claw confined planes 505 and claw sliding surface 507 are all the features that the side of claw 5 is formed.
As shown in Fig. 7 a, Fig. 7 b, Fig. 8 a and Fig. 8 b, spring mounting seat 206 and the second lifting spring retainer flange 207 are lifted
There is fixed and restriction effect to the lifting spring fixed end 601 of lifting spring 6, the lifting spring 6 after fixing is in hood
Closing, unlatching and the vibration etc. of lock 11 will not loosen under normal use.First lifting spring retainer flange 205, which is located at, to be lifted
Position-limiting action is played to the movable end 602 of lifting spring 6 in the top for rising spring 6.Hood lock 11 is opening and closing shape
State is respectively positioned on the top of lifting spring movable end 602, and when hood unlocks, the movable end 602 of lifting spring 6 can be popped up
To push hood to open, lifting spring movable end 602 can be with the first lifting spring retainer flange 205 during lifting
Contact, by the limitation of the first lifting spring retainer flange 205, ensure that reach the maximum bounce amount of lifting spring 6
The consistency of hood raising height avoids lifting spring 6 and causes hood in no maximum bounce amount limitation
Multiple reciprocal vibration.
As shown in Fig. 7~Figure 11, snap-gauge bearing pin mounting hole 105, snap-gauge bearing pin mounting hole 401 and snap-gauge bearing pin mounting hole
201 be the punching on main lock pedestal 1, clamp assemble and main lock front baffle 2 respectively, and these three holes form concentric circles, pass through card
Plate pin shaft 9 is riveted together.Under 10 riveting of the claw pin shaft effect being described below, main lock pedestal 1 and the formation of main lock front baffle 2
One cured non-rotatable and disassembly entirety, and clamp assemble then can be around snap-gauge pin shaft 9 in the main limit for locking pedestal 1
It is rotated under flange limitation.
Claw bearing pin mounting hole 106, claw bearing pin mounting hole 506 and claw stub shaft mounting hole 202 are main lock bottom respectively
Punching on seat 1, claw 5 and main lock front baffle 2, and these three holes form concentric circles, are riveted together by claw pin shaft 10.
Under 9 riveting of snap-gauge pin shaft effect described above, main lock pedestal 1 and main lock front baffle 2 formation one are cured non-rotatable
With the entirety of disassembly, and claw 5 then can around claw pin shaft 10 it is main lock pedestal 1 limit flange limitation under be rotated.
As shown in fig. 7~fig. 9, snap-gauge spring fixed end 701 and snap-gauge spring movable end 702 are two of snap-gauge spring 7
End, snap-gauge spring fixed end 701 passes through snap-gauge spring mounting hole 204, since main lock front baffle 2 and main lock pedestal 1 pass through riveting
It connects and is fixed together, snap-gauge spring fixed end 701 is close to snap-gauge spring mounting hole 204 under spring force.Snap-gauge spring
Movable end 702 passes through snap-gauge spring mounting hole 402, and under the action of snap-gauge spring 7, clamp assemble can be around snap-gauge pin shaft 9
It rotates, snap-gauge spring fixed end 701 is fixed in rotary course, and snap-gauge spring movable end 702 can be installed by snap-gauge spring
Hole 402 drives clamp assemble rotation.
Claw spring fixed end 801 and claw spring movable end 802 are two ends of claw spring 8.Claw spring is solid
Fixed end 801 passes through claw spring mounting hole 203, and claw spring fixed end 801 can be close to claw spring under spring force
Mounting hole 203.Claw spring movable end 802 is in spring from can be close to claw spring mating surface 502 under must acting on.In claw spring
Under the action of 8, claw 5 can be rotated around claw pin shaft 10, and claw spring fixed end 801 is fixed in rotary course, card
Latch spring movable end 802 can form driving force to claw spring mating surface 502 under spring force, and claw 5 is driven to rotate.
Fig. 9, Figure 10 and Figure 11 respectively show in the present invention snap-gauge 3 and claw 5 in lockup state, critical state and unlock
The matching relationship of state.
As shown in figure 9, snap-gauge 3 and claw 5 are in lockup state, i.e. hood is in first lock position.At this point,
Under the action of claw spring 8, claw 5 has around the right handed trend of claw pin shaft 10, and this trend is in claw
Confined planes 504 and claw limit 112 compression fit state of flange reach balance, that is to say, that claw confined planes 504 and claw limit
Position 112 compression fit of flange, limits claw 5 and is rotated clockwise around claw pin shaft 10.In snap-gauge claw mating surface 303
With snap-gauge claw mating surface 503 parallel and in compression fit state, snap-gauge 3 has under the action of snap-gauge spring 7 around snap-gauge
The trend that pin shaft 9 rotates counterclockwise, but the active force by snap-gauge claw mating surface 503, the direction of active force perpendicular to
Snap-gauge claw mating surface 303 and snap-gauge claw mating surface 503, and it is directed toward the center of circle of claw pin shaft 10.In this case, claw 5
Self-locking state is under the action of active force.Only when one non-direction claw pin shaft 10 of application at bracing wire mounting hole 501
The center of circle unlatching power drive under, claw 5 can just be rotated counterclockwise around claw pin shaft 10, so that snap-gauge claw is matched
Conjunction face 503 and snap-gauge claw mating surface 303 disengage.During the shutdown process, hood lock 11 can be along vertical for hood
6 movable end of spring of compressing lifting in downward direction, when hood closing impact, hood lock 11 and snap-gauge U-lag 301
Side wall be in contact, so that snap-gauge 3 be made to be rotated clockwise around snap-gauge pin shaft 9, when hood closes shock machine mistake
When big, in fact it could happen that hood lock 11 is in dropping process, and instantaneous position is on the lower side lower than theoretical locked point, when snap-gauge limits
When face 302 can be contacted with snap-gauge positive stop lug boss 113, limitation snap-gauge 3 continues downward movement and is limited.In lifting spring 6 and hair
Under the buffer function of motivation Cover Gasket block, final snap-gauge confined planes 302 can keep certain gap with snap-gauge positive stop lug boss 113.
As shown in Figure 10, snap-gauge 3 and claw 5 are in critical state, it is characterized in that snap-gauge 3 and claw 5 are in line contact shape
State, this state appear in hood unlocking process or in hood closing process.In hood unlocking process,
Under the action of opening driving force, claw 5 rotates counterclockwise bracing wire mounting hole 501 around claw pin shaft 10.In engine
In lid closing process, hood lock 11 can be along the right sidewall of vertical downward direction compressing snap-gauge U-lag 301, in card
When plate 3 is rotated clockwise around snap-gauge pin shaft 9, snap-gauge sliding surface 305 can push down on claw sliding surface 507, to make
Claw 5 is obtained to rotate counterclockwise around claw pin shaft 10.
As shown in figure 11, snap-gauge 3 and claw 5 are in the unlocked state.At this point, snap-gauge 3 and claw 5 do not have matching relationship, card
Plate 3 has under the action of snap-gauge spring 7 and rotates counterclockwise extreme position around snap-gauge pin shaft 9.At this point, snap-gauge limits
Face 304 and snap-gauge limit flange 110 are in mated condition.
To sum up, as shown in Fig. 9, Figure 10 and Figure 11, claw 5 is under the action of only by claw spring 8 in closing limit position
It sets.Under the collective effect of opening force effect, the effect of claw spring 8 and 305 motive force of snap-gauge sliding surface, claw 5 will receive card
Plate limits the limitation of flange 111 and claw limit flange 112.Specifically: claw confined planes 505 will receive snap-gauge limit flange
111 limitations, claw confined planes 504 will receive claw limit flange 112 and limit.Snap-gauge limits the limitation of flange 111 and opens power drive
The limitation claw spring 8 of 5 open limit of claw under effect and under the effect of snap-gauge motive force, claw limit flange 112 returns
Claw 5 under the effect of position closes extreme position.
To sum up, as shown in Fig. 9, Figure 10 and Figure 11, snap-gauge 3 is under the action of only by snap-gauge spring 7 in unlatching limit position
It sets.Under the collective effect that hood latches 11 downward engagement forces and snap-gauge spring 7, snap-gauge 3 will receive snap-gauge limit flange
110 and snap-gauge positive stop lug boss 113 limitation.Specifically: 304 snap-gauge of snap-gauge confined planes limits flange 110 and limits, snap-gauge confined planes
302 will receive the limitation of snap-gauge positive stop lug boss 113.The snap-gauge 3 that snap-gauge limit flange 110 limits under the effect of 7 return of snap-gauge spring is opened
Extreme position is opened, the snap-gauge 3 when the limitation hood closing shock machine of snap-gauge positive stop lug boss 113 is excessive closes extreme position.
The above description is merely a specific embodiment, it is noted that anyone skilled in the art exists
Disclosed herein technical scope in, any changes or substitutions that can be easily thought of, should all cover protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of main lock of lifting spring external car engine cover, it is characterised in that: including main lock pedestal (1), main lock front frame
Frame (2), clamp assemble, claw (5), snap-gauge spring (7), claw spring (8), snap-gauge pin shaft (9) and claw pin shaft (10)；
Main lock pedestal (1) the He Zhusuo front baffle (2) is riveted by snap-gauge pin shaft (9) and claw pin shaft (10), and the master
It locks and is equipped with gap between pedestal (1) He Zhusuo front baffle (2)；
The clamp assemble and the snap-gauge spring (7) are placed in the gap, and the clamp assemble is set in the snap-gauge
On pin shaft (9)；The snap-gauge spring (7) is wrapped on the snap-gauge pin shaft (9), and one end is connect with clamp assemble, the other end with
Main lock front baffle (2) connection；The clamp assemble under the action of snap-gauge spring (7) can around snap-gauge pin shaft (9) in locking position and
Solve lock-bit rotation；
The claw (5) and the claw spring (8) are placed in the gap, and the claw (5) is set in the claw pin
On axis (10)；The claw spring (8) is wrapped on the claw pin shaft (10), and one end is connect with main lock front baffle (2), another
End is abutted with claw (5)；The claw (5) can be conciliate around claw pin shaft (10) in locking position under the action of claw spring (8)
Lock-bit rotation；
Main lock pedestal (1) and main lock front baffle (2) all have the notch of accommodating hood lock (11), the card
Plate assembly has the lock tongue profile of open type, and the lock tongue profile is for cooperating described lack when the clamp assemble is located at locking position
Hood is latched (11) locking by mouth, and the clamp assemble can be locked in locking position by the claw (5)；
It further include lifting spring (6), lifting spring (6) is mounted on the surface of main lock front baffle (2), one end and main lock front frame
Frame (2) connection, the other end can drive hood lock (11) dynamic from locking position to unlock displacement
Main lock front baffle (2) surface be equipped with lifting spring mounting seat (206), first lifting spring retainer flange (205) and
Second lifting spring retainer flange (207)；The lifting spring (6) is wrapped on the lifting spring mounting seat (206), one end
Always it is abutted with the second lifting spring retainer flange (207), the other end is in unlocked state and the first lifting spring retainer flange
(205) it abuts.
2. the main lock of lifting spring external car engine cover according to claim 1, it is characterised in that: the notch is
U-lag.
3. the main lock of lifting spring external car engine cover according to claim 1, it is characterised in that: the main lock bottom
The snap-gauge that seat (1) is equipped with towards the gap limits flange (110) and snap-gauge positive stop lug boss (113)；The clamp assemble is located at
One side is abutted with snap-gauge limit flange (110) when solving lock-bit；Its other side when the clamp assemble is located at lock position
It is abutted with snap-gauge positive stop lug boss (113).
4. the main lock of lifting spring external car engine cover according to claim 1, it is characterised in that: the main lock bottom
The first claw that seat (1) is equipped with towards the gap limits flange (111) and the second claw limit flange (112)；The claw
(5) one side is abutted with first claw limit flange (111) when being located at solution lock-bit, and the claw (5) is located at lock position
When the limit of its other side and second claw flange (112) abut.
5. the main lock of lifting spring external car engine cover according to claim 1, it is characterised in that: the main lock bottom
Seat (1) is equipped with the first mounting hole (103) and the second mounting hole (104), first mounting hole (103) and the second mounting hole
It (104) is rectangular opening or kidney slot, and their length in the horizontal direction are greater than width on the vertical plane.
6. the main lock of lifting spring external car engine cover according to claim 5, it is characterised in that: first peace
The long axis of the long axis and the second mounting hole (104) that fill hole (103) is parallel or conllinear.
7. the main lock of lifting spring external car engine cover according to claim 1, it is characterised in that: the snap-gauge is total
At including plastic integral snap-gauge (3) and snap-gauge sheath (4)；The snap-gauge sheath (4) is set in the snap-gauge pin shaft (9)
On, the lock tongue profile is located on the snap-gauge (3).
8. the main lock of lifting spring external car engine cover according to claim 7, it is characterised in that: the lock tongue wheel
Exterior feature is U-lag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080126.XA CN106761057B (en) | 2016-11-30 | 2016-11-30 | A kind of main lock of lifting spring external car engine cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080126.XA CN106761057B (en) | 2016-11-30 | 2016-11-30 | A kind of main lock of lifting spring external car engine cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761057A CN106761057A (en) | 2017-05-31 |
| CN106761057B true CN106761057B (en) | 2019-07-09 |
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ID=58901359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611080126.XA Active CN106761057B (en) | 2016-11-30 | 2016-11-30 | A kind of main lock of lifting spring external car engine cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761057B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7319318B2 (en) * | 2021-03-29 | 2023-08-01 | 株式会社城南製作所 | Vehicle locking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461631A (en) * | 2008-07-08 | 2010-01-13 | Mitsui Mining & Smelting Co | A latch device in a vehicle |
| CN103061620A (en) * | 2013-01-29 | 2013-04-24 | 河南开开特星光锁系统有限公司 | Automobile door lock structure |
| CN103590675A (en) * | 2013-11-30 | 2014-02-19 | 烟台三环锁业集团有限公司 | Double-pull opening structure of automobile engine hood cover lock |
| CN104100155A (en) * | 2013-04-15 | 2014-10-15 | 因特瓦产品有限责任公司 | Car door lock system |
| CN104594740A (en) * | 2014-11-24 | 2015-05-06 | 北京长安汽车工程技术研究有限责任公司 | Automobile front cover lock |
-
2016
- 2016-11-30 CN CN201611080126.XA patent/CN106761057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461631A (en) * | 2008-07-08 | 2010-01-13 | Mitsui Mining & Smelting Co | A latch device in a vehicle |
| CN103061620A (en) * | 2013-01-29 | 2013-04-24 | 河南开开特星光锁系统有限公司 | Automobile door lock structure |
| CN104100155A (en) * | 2013-04-15 | 2014-10-15 | 因特瓦产品有限责任公司 | Car door lock system |
| CN103590675A (en) * | 2013-11-30 | 2014-02-19 | 烟台三环锁业集团有限公司 | Double-pull opening structure of automobile engine hood cover lock |
| CN104594740A (en) * | 2014-11-24 | 2015-05-06 | 北京长安汽车工程技术研究有限责任公司 | Automobile front cover lock |
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| Publication number | Publication date |
|---|---|
| CN106761057A (en) | 2017-05-31 |
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