CN111425080B - Motor vehicle door lock - Google Patents
Motor vehicle door lock Download PDFInfo
- Publication number
- CN111425080B CN111425080B CN202010382500.1A CN202010382500A CN111425080B CN 111425080 B CN111425080 B CN 111425080B CN 202010382500 A CN202010382500 A CN 202010382500A CN 111425080 B CN111425080 B CN 111425080B
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- Prior art keywords
- gear
- bulge
- protrusion
- safety
- radius
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- 238000010168 coupling process Methods 0.000 claims abstract description 74
- 238000005859 coupling reaction Methods 0.000 claims abstract description 74
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
- E05B81/32—Details of the actuator transmission
- E05B81/34—Details of the actuator transmission of geared transmissions
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- 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 invention provides a motor vehicle door lock comprising: the motor vehicle door lock comprises a driving unit, a first gear, a guide block, a coupling block, a first reset spring, a deflector rod, a second reset spring, a second gear, a third reset spring, a safety member, a swing rod and a safety rod, wherein the first gear is in driving connection with the driving unit, the guide block is rotatably arranged on the first gear, the coupling block is slidably arranged on the guide block, the first reset spring is positioned at the reset position after the coupling block is pressed, one end of the deflector rod is adjacent to the guide block, the second reset spring is used for resetting the deflector rod after unlocking, the second gear is meshed with the first gear, an eccentric bulge is arranged on the second gear, the third reset spring is used for resetting the second gear after rotating, one end of the safety rod is rotatably arranged on the safety member, the other end of the safety rod is rotatably arranged on the swing rod, and the first bulge, the second bulge and the third bulge are arranged on the safety rod.
Description
Technical Field
The invention belongs to the technical field of automobile door locks, and particularly relates to an automobile door lock.
Background
Motor vehicle door locks generally have a mechanical locking device for locking a specific operating device, for example a door handle, so that unauthorized operation (for example a thief) cannot open the door into the vehicle. In modern motor vehicles, this design is usually provided with at least one motor integrated inside the door lock, implementing the electric actuation of the above-mentioned locking decoration, working in cooperation with the whole vehicle anti-theft and security module. This function is also called a center lock. At the same time, national standards also require that the locking state must be electrically released under the condition of collision of motor vehicles so as to facilitate rescue of personnel outside the vehicles.
In particular, some vehicle models are equipped with electric opening devices. The motor vehicle door with the device can drive the door lock to unlock electrically without pulling the mechanical handle to reach the specified displacement by conventional force, and only by pressing a specific button or slightly operating the handle to trigger a certain switch, thereby remarkably improving the operation comfort. This function is also called electric opening of the door. Typically, this function is also implemented by providing a separate motor and corresponding transmission mechanism. The prior art CN206190057U proposes a design.
If the motor vehicle door lock is required to have the two functions, a common solution is to have the two motors and the two corresponding sets of transmission mechanisms at the same time, so that the cost is high. Under the tremendous cost pressures of the modern automotive industry, a more cost effective solution is needed.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a door lock for a motor vehicle which can satisfy both mechanical locking and electric unlocking at the same time and is low in cost.
The invention provides a motor vehicle door lock, characterized in that it comprises: a driving unit mounted on the housing;
The first gear is in driving connection with the driving unit and is rotatably arranged on the shell, one side surface of the first gear is provided with a first groove, the first groove is formed by two concentric circular arcs with different radiuses, and the joint part of the two circular arcs forms a step surface;
The guide block is rotatably arranged on the groove surface side of the first gear;
a coupling block slidably mounted on the guide block, including a sliding member slidably mounted on the guide block and a coupling member fixed on the sliding member;
The first reset spring is positioned between the guide block and the coupling block, one end of the first reset spring is fixed on the guide block, and the other end of the first reset spring is fixed on the coupling block;
The deflector rod is rotatably arranged on the shell, one end of the deflector rod is adjacent to the guide block, and the other end of the deflector rod is used for poking the unlocking unit to unlock;
The spring coil is sleeved on a rotating shaft on which the deflector rod is arranged, one end of the spring coil is fixed on the shell, and the other end of the spring coil is fixed on the deflector rod;
the second gear is meshed with the first gear and is rotatably arranged on the shell, and an eccentric protrusion deviating from the central axis of the second gear is arranged on the second gear;
the spring sleeve is sleeved on a shaft of the second gear, which is positioned on the central axis, one end of the spring sleeve is fixed on the second gear, and the other end of the spring sleeve is fixed on the shell;
A safety member rotatably mounted on the housing;
The swing rod is rotatably arranged on the shell;
One end of the safety rod is rotatably arranged on the safety member, the other end of the safety rod is rotatably arranged on the swing rod, and the safety rod is provided with a first bulge, a second bulge and a third bulge;
the safety member and the swing rod are respectively positioned at two sides of the first gear and the second gear, the safety rod passes through the first gear and the second gear,
The first bulge and the second bulge are both positioned on the second gear area section where the bumper passes, the first bulge is positioned on the swing rod end side of the eccentric bulge, the second bulge is positioned on the safety member end side of the eccentric bulge, the height of the eccentric bulge can push the first bulge or the second bulge when the second gear rotates, the partial areas of the first bulge and the second bulge are positioned in the circumference where the eccentric bulge is positioned, the third bulge corresponds to the sliding member, the bumper drives the third bulge to be far away from or press the sliding member when the bumper moves,
When the first gear is in the unlocking position, the safety member is in the upper safety state, the radius of the circle center of the coupling member to the first gear is larger than the radius of the small radius arc of the first groove, the eccentric protrusion is close to the second protrusion, the first reset spring is in a free state, the second reset spring is in a free state, the third reset spring is in a free state,
The third protrusion is arranged at the position of the first gear, which is not in unlocking position, and the shape of the safety rod, so that the coupling block is compressed to enable the coupling member to be in the above-mentioned safety state, when the radius of the circle center of the coupling member to the first gear is larger than the radius of the small radius arc of the first groove, the first gear drives the second gear to rotate, so that the second gear drives the eccentric protrusion to rotate towards the second protrusion, and pushes the second protrusion to push the safety rod to move, when the safety rod pushes the safety member to be in unlocking position from the above-mentioned safety state, the third protrusion can compress the coupling block to enable the radius of the coupling member to be smaller than or equal to the radius of the small radius arc of the first groove, and when the first gear is in unlocking position, the radius of the coupling member is smaller than or equal to the radius of the small radius arc of the first groove, the first protrusion, the eccentric protrusion is driven by the third reset spring to reset the second gear to approach the first protrusion, and when the first gear is in unlocking position, the first gear is not in the radius of the second groove, and the radius of the coupling member is driven to rotate towards the small radius of the first groove.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the driving unit includes: the motor and fix the worm on the motor shaft of motor, the worm with first gear engagement.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the groove surface of the first gear is provided with a first rotating shaft, the first rotating shaft is positioned on the central axis of the first gear, and the guide block is arranged on the first rotating shaft.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the guide block is provided with a first sliding hole and two sliding blocks, the sliding member is provided with two strip-shaped second sliding holes, the coupling member is arranged in the first sliding holes, and the two sliding blocks are respectively and slidably arranged in the two second sliding holes.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: a second groove is arranged on the surface of the second gear opposite to the eccentric protrusion, the second return spring is positioned in the second groove,
And a bracket is arranged on the second gear, and one end of the third return spring fixed on the second gear is fixed on the bracket.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the first protrusions and the second protrusions are arranged in parallel, and an acute angle formed by the first protrusions and the second protrusions faces one end of the bumper mounting safety member.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the first protrusion and the second protrusion are parallel to the gear surface of the second gear.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the third bulge is positioned at one end of the bumper mounting swing rod.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the one end that the driving lever is adjacent with the guide block is the arc, and curved tip is provided with the recess, the guide block with the shape of the opposite side of driving lever is bellied circular arc, the recess with bellied circular arc assorted on the guide block.
Further, in the motor vehicle door lock provided by the present invention, it may further have the feature that: the one end of bumper installation insurance component is provided with the bar hole, be provided with the second pivot on the insurance component, the second pivot is installed in the bar is downthehole, the second pivot can be in the downthehole slip of bar, also can be in the bar is downthehole for the bar hole rotates.
The invention has the following advantages:
According to the motor vehicle door lock, the electric unlocking and the mechanical locking can be simultaneously met by adopting only one electric driving device, the design structure is simple and reliable, the cost is low, and compared with the traditional design, the motor vehicle door lock has obvious cost advantages.
Drawings
FIG. 1 is a schematic view of a motor vehicle door lock in accordance with an embodiment of the present invention;
FIG. 2 is a partial enlarged view of a coupling block coupling in an embodiment of the invention;
FIG. 3 is a partial method diagram of decoupling a coupling block in an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of the coupling block coupled with the slide member removed in an embodiment of the invention;
FIG. 5 is a partial enlarged view of the coupling block decoupled with the slide member removed in an embodiment of the invention;
FIG. 6 is an enlarged view of a portion of the rear view of FIG. 1;
Fig. 7 is a flow chart of the operation of a motor vehicle door lock of the present invention when it is executed.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present invention easy to understand, the following embodiments specifically describe a motor vehicle door lock of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a motor vehicle door lock 100 includes: the driving unit, the first gear 102, the guide block 103, the coupling block 104, the first return spring 105, the lever 106, the second return spring (not shown), the second gear 107, the third return spring 108, the safety member 109, the swing link 110, and the safety lever 111.
The driving unit is used for driving the first gear 102 to rotate. The drive unit includes: a motor 11 and a worm 12. The motor 11 is mounted on a housing (not shown) and the worm 12 is fixed to the motor shaft of the motor 11.
As shown in fig. 2 and 3, the first gear 102 is rotatably mounted on the housing, and the first gear 102 is engaged with the worm 12. A first groove 21 is formed on one side surface of the first gear 102, the first groove 21 is formed by two concentric circular arcs with different radiuses, and a step surface 211 is formed at a joint part of the two circular arcs.
The guide block 103 is rotatably mounted on the groove surface side of the first gear 102, specifically, a first rotating shaft 212 is provided at a central axis position of the groove surface of the first gear 102, the guide block 103 is mounted on the rotating shaft 212, and the guide block 103 can rotate around the rotating shaft 212.
The coupling block 104 is slidably mounted on the guide block 103, and the coupling block 104 includes: a sliding member 41 and a coupling member 42. The sliding member 41 is slidably mounted on the guide block 103, and the coupling member 42 is fixed to the sliding member 41. When the coupling block slides back and forth on the guide block, the radius of the coupling member 42 to the center of the first gear 102 is larger than or equal to the radius of the small radius arc of the first groove 21, and herein, the radius of the coupling member 42 to the center of the first gear 102 is larger than the radius of the small radius arc of the first groove 21, and then the coupling block 104 is coupled with the first gear 102; the coupling block 104 is decoupled from the first gear 102 if the radius of the coupling member 42 to the center of the first gear 102 is equal to or less than the radius of the small radius arc of the first groove 21. When the first gear 102 rotates clockwise as seen in the directions of fig. 1 and 3 during coupling, the step surface 211 of the first gear 102 pushes the coupling block 104 to rotate clockwise, so as to drive the guide block 103 to rotate clockwise; when the first gear 102 rotates clockwise as viewed in the directions of fig. 1 and 3 during decoupling, the step surface 211 of the first gear 102 cannot contact the coupling block 104, and therefore neither the coupling block 104 nor the guide block 103 rotates.
In the present embodiment, two sliders 31, specifically, two sliders having a cylindrical shape are provided on the guide block 103. The guide block 103 is provided with a first slide hole 32. The sliding member 41 is provided with two elongated second sliding holes 411, the coupling member 42 is mounted in the first sliding hole 32, and the two sliding blocks 31 are respectively slidably mounted in the two second sliding holes 411.
As shown in fig. 4 and 5, the first return spring 105 is located between the guide block 103 and the coupling block 104, one end of the first return spring 105 is fixed to the guide block 103, the other end is fixed to the coupling block 104, and the coupling block 104 can press or release the first return spring 105 when sliding on the guide block 103. When the first return spring 105 is in a compressed state, the radius of the coupling member 42 on the coupling block 104 to the center of the first gear 102 is smaller than or equal to the radius of the small radius arc of the first groove 21; when the first return spring 105 is in a free state, the radius of the coupling member 42 on the coupling block 104 to the center of the first gear 102 is larger than the radius of the small radius arc of the first groove 21. Specifically, the coil of the first return spring 105 is fitted over one of the sliders 31. Specifically, the first return spring 105 is a torsion spring.
The lever 106 is used to toggle the unlocking unit to unlock the lock. The unlocking unit can be a structure proposed by the prior art CN 206190057U. The driving lever 106 is rotatably installed on the housing, one end of the driving lever 106 is adjacent to the guide block 103, and the other end is used for driving the unlocking unit to unlock. Specifically, one end 61 of the deflector rod 106 adjacent to the guide block 103 is arc-shaped, a groove is formed in the end of the arc, the shape of the side, opposite to the deflector rod 106, of the guide block 103 is in a protruding arc shape, the groove is matched with the protruding arc shape on the guide block, and when the guide block 103 rotates clockwise as seen in the direction of fig. 1, the deflector rod 106 can be pushed to rotate clockwise; the shift lever 106 is used for shifting the one end 62 of the unlocking unit to have a small sharp angle structure, so that the unlocking unit can be conveniently shifted.
A second return spring (not shown) is fixed at one end to the lever 106 and at the other end to the housing, and the coils are sleeved on a rotating shaft to which the lever is mounted. When the poking rod 106 pokes the unlocking unit, the second reset spring is in a stressed state, and after poking is completed, the poking rod 106 resets under the action of the elasticity of the second reset spring. Specifically, the second return spring is a torsion spring.
The second gear 107 meshes with the first gear 102, and the second gear 107 is rotatably mounted on the housing. Specifically, a rotating shaft is provided on the housing, and the second gear 107 is sleeved on the rotating shaft and can rotate around the rotating shaft. The second gear 107 is provided with an eccentric protrusion 71 offset from the central axis of the second gear. Specifically, the eccentric protrusion is cylindrical.
As shown in fig. 6, the coil of the third return spring 108 is sleeved on the shaft of the second gear 107 on the central axis, one end of the third return spring 108 is fixed on the second gear 107, and the other end is fixed on the housing. Specifically, the second gear 107 is mounted with a bracket 73, and one end of a third return spring 108 is fixed to the bracket 73 and the other end is fixed to the housing. Specifically, the third return spring 108 is a torsion spring.
In the present embodiment, a side surface of the second gear 107 is provided with a second groove, which is located at opposite sides of the eccentric protrusion 71, and a third return spring 108 is located in the second groove 71.
The securing member 109 is rotatably mounted to the housing for securing and releasing. As seen in the direction of fig. 1 and 2, the safety member 109 rotates clockwise to be released, the safety member 109 drives the locking unit (not shown in the drawings, which is a locking structure in the prior art) to make the door lock enter the unlocking mode, the safety member 109 rotates counterclockwise to be upper safety, and the safety member 109 drives the locking unit to make the door lock enter the locking mode.
The swing link 110 is rotatably mounted to the housing.
One end of the safety lever 111 is rotatably mounted on the safety member 109, and the other end is rotatably mounted on the swing lever 110. As shown in fig. 1, the swing link 110 and the safety member 109 are respectively located at both sides of the first gear 102 and the second gear 107, and the safety link 111 passes through the first gear 102 and the second gear 107.
The bumper 111 is provided with a first protrusion 1111, a second protrusion 1112, and a third protrusion 1113.
The first protrusion 1111 and the second protrusion 1112 are both located at the second gear 107 region section through which the bumper 111 passes, the first protrusion 1111 is located at the swing link end side of the eccentric protrusion 71, the second protrusion 1112 is located at the safety member end side of the eccentric protrusion 71, and the height of the eccentric protrusion 71 can push the first protrusion 1111 or the second protrusion 1112 when the second gear 107 rotates. The partial areas of the first protrusions 1111 and the second protrusions 1112 are located within the circumference of the eccentric protrusions 71. The third protrusion 1113 corresponds to the sliding member 41, and when the safety lever 111 moves, the safety lever 111 drives the third protrusion 1113 away from or presses the sliding member 41.
When the first gear 102 is in the unblanked position, i.e., the initial position, the securing member 109 is in the upper secured state, and the radius of the coupling member 42 to the center of the first gear 102 is larger than the radius of the small radius arc of the first groove 21, the eccentric protrusion 71 approaches the second protrusion 1112, the first return spring 105 is in the free state, the second return spring is in the free state, and the third return spring 108 is in the free state.
The distance from the third protrusion 1113 to the sliding member 41 and the shape of the safety lever 111 are such that when the first gear 102 is in the unblanked position and the safety lever 109 is in the up-safe state, the radius of the center of the coupling member 42 to the first gear 102 is larger than the radius of the small radius arc of the first groove 21, when the first gear 102 drives the second gear 107 to rotate, so that the second gear 107 drives the eccentric protrusion 71 to rotate towards 1112 the second protrusion and pushes the second protrusion 1112 to push the safety lever 111 to move, and when the safety lever 111 pushes the safety lever 109 from the up-safe state to the release-safe state, the third protrusion 1113 can compress the coupling block 104 such that the radius of the center of the coupling member 42 to the first gear 102 is smaller than or equal to the radius of the small radius arc of the first groove 21. And the distances among the first protrusion 1111, the second protrusion 1112 and the eccentric protrusion 71 are such that the eccentric gear 71 approaches the first protrusion 1111 after the third return spring 108 drives the second gear 107 to return after the above process; and the distances among the first protrusion 1111, the second protrusion 1112 and the eccentric protrusion 71 are such that when the first gear 102 is at the unblanked position (initial position) and the securing member 109 is at the up secured state, the radius of the center of the coupling member 42 to the first gear 102 is larger than the radius of the small radius arc of the first groove 21 (during coupling), when the first gear 102 drives the second gear 107 to rotate, so that the second gear 107 drives the eccentric protrusion 71 to rotate towards the first protrusion 1111, the guide block 103 pushes the shift lever 106 to rotate, and when the shift lever 106 shifts the unlocking unit to complete unlocking, the eccentric protrusion 71 cannot contact the first protrusion 1111.
Specifically, the first protrusions 1111 and the second protrusions 1112 are disposed in parallel therebetween, and an acute angle formed with the bumper 111 is toward one end of the bumper 111 where the bumper member 109 is mounted. The first protrusions 1111 and the second protrusions 1112 are each parallel to the gear surface of the second gear 107. The third protrusion 1113 is located at one end of the safety lever 111 where the swing link is installed.
In this embodiment, the end of the safety lever 111 where the safety member is mounted is provided with a bar hole 1114, the safety member 109 is provided with a second rotating shaft 91, the second rotating shaft 91 is mounted in the bar hole 1114, and the second rotating shaft 91 can slide in the bar hole 1114 and also can rotate in the bar hole 1114 relative to the bar hole.
As shown in fig. 7, the motor vehicle door lock of the present invention has the following action process when in specific use:
Process of action 1: with the door lock locked, when the first gear 102 is in the initial position, the securing member 109 is in the secured-up state, and the radius of the coupling member 42 to the center of the circle of the first gear 102 is larger than the radius of the small radius arc of the first groove 21 (at the time of coupling), the eccentric protrusion 71 approaches the second protrusion 1112, i.e., the state in fig. 1 starts. Looking at the direction of fig. 1, the motor 11 drives the first gear 102 to rotate clockwise through the worm 12 to drive the guide block 103 to rotate clockwise, so as to push the deflector rod 109 to rotate, the deflector rod 109 rotates to stir the unlocking unit to unlock, after unlocking is completed, the motor 11 stops rotating, and the deflector rod 109 is reset under the action of the elasticity of the second reset spring; the first gear 102 rotates clockwise while driving the second gear 107 to rotate counterclockwise, the eccentric protrusion 71 rotates counterclockwise, and when the first gear 102 stops rotating, the eccentric protrusion 71 does not contact the first protrusion 1111, the safety lever 111 does not move, decoupling and unbinding are not performed, and the operation only performs an unlocking task. After the motor 11 stops rotating, the second gear 107 rotates clockwise to reset, and the first gear 102 rotates counterclockwise to reset under the elastic force of the third reset spring 108.
Action process 2: starting from the state shown in fig. 1 and looking in the direction of fig. 1, the motor 11 drives the first gear 102 to rotate anticlockwise through the worm 12, and since the step surface 211 moves in the opposite direction to the coupling member 42, the first gear 102 cannot rotate to drive the coupling block 104 and thus cannot drive the guide block 103 to rotate, and thus cannot unlock; and the first gear 102 rotates anticlockwise to drive the second gear 107 to rotate clockwise, the second gear 107 drives the eccentric protrusion 71 to rotate clockwise to push the second protrusion 1112 to move the safety rod 111 to drive the safety member 109 to rotate clockwise, the safety rod 111 moves to complete the releasing of the safety from the upper safety state, and the third protrusion 1113 presses the coupling block 104 to enable the coupling block 104 to move towards the circle center direction of the first gear 102, and when the safety member 109 moves from the upper safety state to the releasing state, the radius of the circle center of the coupling member 42 to the first gear 102 is smaller than or equal to the radius of the small radius arc of the first groove 21. After the releasing of the insurance is completed, the motor 11 stops rotating, under the action of the elastic force of the third return spring 108, the second gear 107 rotates anticlockwise for resetting, the first gear 102 is driven to rotate clockwise for resetting, at this time, the eccentric protrusion 71 is close to the first protrusion 1111, and the state of the motor vehicle door lock is as follows: when the first gear 102 is in the initial position, the securing member 109 is in the unblanked state, and the radius of the coupling member 42 to the center of the first gear 102 is smaller than or equal to the radius of the small radius arc of the first groove 21 (decoupling).
Then, as seen in the direction of fig. 1, the motor 11 drives the first gear 102 to rotate clockwise through the worm 12 to drive the second gear 107 to rotate anticlockwise, the second gear 107 drives the eccentric protrusion 71 to rotate anticlockwise, the eccentric protrusion 71 pushes the first protrusion 1111 to push the safety lever 111 to move, the safety lever 111 drives the safety member 109 to rotate anticlockwise, and the upper safety is finished from the safety releasing state; meanwhile, since the coupling member 42 is in the decoupled state, the step surface 211 cannot contact the coupling member 42 when the first gear 102 rotates clockwise, and thus the first gear 102 cannot rotate to drive the coupling block 104, and when the bumper 111 moves leftward, the third protrusion 1113 slowly releases the compression of the coupling block 104 when the third protrusion 1113 moves away from the center of the first gear 102, but because of the limitation of the small radius arc of the first groove 21, the first return spring 105 is still in the compressed state, and the first gear 102 cannot rotate to drive the coupling block 104, and thus the guide block 103 cannot rotate, and thus unlocking cannot be performed. After the safety is finished, the motor 11 stops rotating, the second gear 107 rotates clockwise to reset under the action of the elastic force of the third reset spring 108, the first gear 102 is driven to rotate anticlockwise to reset, after the first gear 102 resets, the sliding member 41 slides along the guide block towards the center far away from the first gear 102 under the elastic force of the first reset spring 105, the radius of the circle center of the coupling member 42 to the first gear 102 is larger than the radius (coupling) of the small radius arc of the first groove 21, at this time, the eccentric protrusion 71 is close to the second protrusion 1112, and the state of the motor vehicle door lock is the state shown in fig. 1.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. A motor vehicle door lock, comprising:
A driving unit mounted on the housing;
The first gear is in driving connection with the driving unit and is rotatably arranged on the shell, one side surface of the first gear is provided with a first groove, the first groove is formed by two concentric circular arcs with different radiuses, and the joint part of the two circular arcs forms a step surface;
The guide block is rotatably arranged on the groove surface side of the first gear;
a coupling block slidably mounted on the guide block, including a sliding member slidably mounted on the guide block and a coupling member fixed on the sliding member;
The first reset spring is positioned between the guide block and the coupling block, one end of the first reset spring is fixed on the guide block, and the other end of the first reset spring is fixed on the coupling block;
The deflector rod is rotatably arranged on the shell, one end of the deflector rod is adjacent to the guide block, and the other end of the deflector rod is used for poking the unlocking unit to unlock;
The spring coil is sleeved on a rotating shaft on which the deflector rod is arranged, one end of the spring coil is fixed on the shell, and the other end of the spring coil is fixed on the deflector rod;
the second gear is meshed with the first gear and is rotatably arranged on the shell, and an eccentric protrusion deviating from the central axis of the second gear is arranged on the second gear;
the spring sleeve is sleeved on a shaft of the second gear, which is positioned on the central axis, one end of the spring sleeve is fixed on the second gear, and the other end of the spring sleeve is fixed on the shell;
A safety member rotatably mounted on the housing;
The swing rod is rotatably arranged on the shell;
One end of the safety rod is rotatably arranged on the safety member, the other end of the safety rod is rotatably arranged on the swing rod, and the safety rod is provided with a first bulge, a second bulge and a third bulge;
the safety member and the swing rod are respectively positioned at two sides of the first gear and the second gear, the safety rod passes through the first gear and the second gear,
The first bulge and the second bulge are both positioned on the second gear area section where the bumper passes, the first bulge is positioned on the swing rod end side of the eccentric bulge, the second bulge is positioned on the safety member end side of the eccentric bulge, the height of the eccentric bulge can push the first bulge or the second bulge when the second gear rotates, the partial areas of the first bulge and the second bulge are positioned in the circumference where the eccentric bulge is positioned, the third bulge corresponds to the sliding member, the bumper drives the third bulge to be far away from or press the sliding member when the bumper moves,
When the first gear is in the unlocking position, the safety member is in the upper safety state, the radius of the circle center of the coupling member to the first gear is larger than the radius of the small radius arc of the first groove, the eccentric protrusion is close to the second protrusion, the first reset spring is in a free state, the second reset spring is in a free state, the third reset spring is in a free state,
The distance between the third protrusion and the sliding member and the shape of the safety rod are such that when the first gear is in an unblanked position, the safety member is in an upper safety state, when the radius from the coupling member to the center of the circle of the first gear is larger than the radius of the small radius arc of the first groove, the first gear drives the second gear to rotate, so that the second gear drives the eccentric protrusion to rotate towards the second protrusion, and pushes the second protrusion to push the safety rod to move, when the safety rod pushes the safety member from the upper safety state to the unblanked position, the third protrusion can compress the coupling block to enable the radius from the coupling member to the first gear to be smaller than or equal to the radius of the small radius arc of the first groove, and when the third reset spring drives the second gear to reset, the eccentric protrusion is close to the first protrusion, and when the first gear is in the position, the first gear is not in the center of the circle, the first gear is driven by the eccentric protrusion, and when the first gear is in the radius of the circle of the first groove, the first gear is driven by the eccentric protrusion, and the radius of the first gear is not driven by the eccentric protrusion to rotate, and the radius of the first gear is in the radius of the circle of the groove.
2. A motor vehicle door lock according to claim 1, wherein:
The driving unit includes: the motor and fix the worm on the motor shaft of motor, the worm with first gear engagement.
3. A motor vehicle door lock according to claim 1, wherein:
The groove surface of the first gear is provided with a first rotating shaft, the first rotating shaft is positioned on the central axis of the first gear, and the guide block is arranged on the first rotating shaft.
4. A motor vehicle door lock according to claim 1, wherein:
The guide block is provided with a first sliding hole and two sliding blocks, the sliding member is provided with two strip-shaped second sliding holes, the coupling member is arranged in the first sliding holes, and the two sliding blocks are respectively and slidably arranged in the two second sliding holes.
5. A motor vehicle door lock according to claim 1, wherein:
a second groove is arranged on the surface of the second gear opposite to the eccentric protrusion, the second return spring is positioned in the second groove,
And a bracket is arranged on the second gear, and one end of the third return spring fixed on the second gear is fixed on the bracket.
6. A motor vehicle door lock according to claim 1, wherein:
the first protrusions and the second protrusions are arranged in parallel, and an acute angle formed by the first protrusions and the second protrusions faces one end of the bumper mounting safety member.
7. A motor vehicle door lock according to claim 1, wherein:
the first protrusion and the second protrusion are parallel to the gear surface of the second gear.
8. A motor vehicle door lock according to claim 1, wherein:
the third bulge is positioned at one end of the bumper mounting swing rod.
9. A motor vehicle door lock according to claim 1, wherein:
the one end that the driving lever is adjacent with the guide block is the arc, and curved tip is provided with the recess, the guide block with the shape of the opposite side of driving lever is bellied circular arc, the recess with bellied circular arc assorted on the guide block.
10. A motor vehicle door lock according to claim 1, wherein:
The one end of bumper installation insurance component is provided with the bar hole, be provided with the second pivot on the insurance component, the second pivot is installed in the bar is downthehole, the second pivot can be in the downthehole slip of bar, also can be in the bar is downthehole for the bar hole rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382500.1A CN111425080B (en) | 2020-05-08 | 2020-05-08 | Motor vehicle door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382500.1A CN111425080B (en) | 2020-05-08 | 2020-05-08 | Motor vehicle door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111425080A CN111425080A (en) | 2020-07-17 |
| CN111425080B true CN111425080B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010382500.1A Active CN111425080B (en) | 2020-05-08 | 2020-05-08 | Motor vehicle door lock |
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| Country | Link |
|---|---|
| CN (1) | CN111425080B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587748A (en) * | 2012-03-01 | 2012-07-18 | 上海大学 | High-reliability burglary-preventive control mechanism for automobile door lock |
| CN104179405A (en) * | 2014-08-08 | 2014-12-03 | 上海恩坦华汽车门***有限公司 | Power lock for automobile side door |
| CN110259291A (en) * | 2019-07-23 | 2019-09-20 | 上海恩坦华汽车门***有限公司 | A kind of grasping mechanism of novel belt angle |
| CN212454000U (en) * | 2020-05-08 | 2021-02-02 | 上海恩坦华汽车门***有限公司 | Door lock for motor vehicle |
-
2020
- 2020-05-08 CN CN202010382500.1A patent/CN111425080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587748A (en) * | 2012-03-01 | 2012-07-18 | 上海大学 | High-reliability burglary-preventive control mechanism for automobile door lock |
| CN104179405A (en) * | 2014-08-08 | 2014-12-03 | 上海恩坦华汽车门***有限公司 | Power lock for automobile side door |
| CN110259291A (en) * | 2019-07-23 | 2019-09-20 | 上海恩坦华汽车门***有限公司 | A kind of grasping mechanism of novel belt angle |
| CN212454000U (en) * | 2020-05-08 | 2021-02-02 | 上海恩坦华汽车门***有限公司 | Door lock for motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111425080A (en) | 2020-07-17 |
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