CN115961840A - Sliding door lock for motor vehicle - Google Patents

Abstract

The invention provides a sliding door lock for a motor vehicle, comprising: the invention integrates the external opening, the internal opening, the upper unlocking, the automatic switch lock and the child lock into a whole, and has compact structure, few parts and few connecting pull wires at the assembly end of the whole vehicle, few working procedures and working hours during assembly, difficult error and low cost.

Description

Sliding door lock for motor vehicle

Technical Field

The invention belongs to the technical field of automobile door locks, and particularly relates to a sliding door lock of a motor vehicle.

Background

With the development of the automobile industry, higher requirements are put forward on the automobile performance, in the prior art, the automobile side door lock has independent internal opening, external opening, self-absorption and upper release insurance, the occupied space is large, and the connecting pull wires are multiple. The imported side door lock is expensive, complex in structure, multiple in working procedures and working hours during assembly, and prone to errors during assembly.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a motor vehicle sliding door lock which is compact in structure, has fewer parts, fewer connecting wires, fewer assembly steps, fewer man-hours, less error, and low cost.

The invention provides a sliding door lock of a motor vehicle, which is characterized by comprising the following components:

a housing;

a lock body, comprising: the lock comprises a lock tongue, a pawl, a first elastic component and a second elastic component, wherein the lock tongue is rotatably installed on the shell, the pawl is rotatably installed on the shell and matched with the lock tongue, one end of the first elastic component is installed on the shell, the other end of the first elastic component is installed on the lock tongue, one end of the second elastic component is installed on the shell, the other end of the second elastic component is installed on the pawl, the pawl is provided with a poking component, the lock tongue is provided with a first bulge, and the lock tongue and the pawl are matched and form a half-lock state, a full-lock state and a full-open state under the action of the first elastic component and the second elastic component;

an unlocking unit comprising: a first release lever rotatably mounted on the housing and engaged with the pawl, a drive lever rotatably mounted on the housing, a third elastic member having one end mounted on the housing and the other end mounted on the drive lever, a pull rod having one end mounted on the first release lever and the other end mounted on the drive lever, and an outward opening push member, the drive lever being provided with an inward opening push member and a first slide hole, the outward opening push member being slidably mounted on the first slide hole,

the driving rod is pushed to rotate by the inner opening pushing piece or the outer opening pushing piece, the driving rod can drive the pull rod to move by rotating, the first release lever can be driven to rotate by moving the pull rod, the pawl is driven to rotate by rotating the first release lever, so that the lock tongue is opened, and after the pushing force of the inner opening pushing piece or the outer opening pushing piece on the driving rod disappears, the driving rod reversely rotates and resets under the restoring force of the third elastic component;

an out-opening drive unit comprising: an outward opening pull rod with one end rotatably mounted on the shell and matched with the outward opening pushing piece, and an outward opening pull wire mounted at the other end of the outward opening pull rod, wherein the outward opening pull rod is provided with a first clearance groove,

when the outward opening pushing piece is positioned at one end, facing the rotating shaft of the driving rod, of the first sliding hole, the structure, matched with the outward opening pull rod, of the outward opening pushing piece corresponds to the first clearance groove, the outward opening pull rod rotates, the structure, matched with the outward opening pull rod, of the outward opening pushing piece enters the first clearance groove, the outward opening pull rod cannot drive the outward opening pushing piece to move, when the outward opening pushing piece is positioned at one end, facing away from the rotating shaft of the driving rod, of the first sliding hole, the structure, matched with the outward opening pull rod, of the outward opening pushing piece does not correspond to the first clearance groove, and the outward opening pull rod rotates to drive the outward opening pushing piece to move;

an inwardly opening drive unit comprising: an inward opening connecting rod rotatably mounted on the housing and connected with the inward opening pushing piece, a fourth elastic member with one end mounted on the housing and the other end mounted on the inward opening connecting rod, an inward opening pull rod rotatably mounted on the housing, an inward opening pull wire mounted on the inward opening pull rod, and an inward opening driving piece, wherein the inward opening connecting rod is provided with a second sliding hole, the inward opening driving piece is slidably mounted on the second sliding hole, the inward opening pull rod is provided with a second clearance groove,

when the inner opening driving piece is positioned at one end of the second sliding hole facing the rotating shaft of the inner opening connecting rod, the structure of the inner opening driving piece matched with the inner opening pull rod corresponds to the second clearance groove, when the inner opening pull wire pulls the inner opening pull rod to rotate, the structure of the inner opening driving piece matched with the inner opening pull rod enters the second clearance groove, the inner opening pull rod cannot drive the inner opening driving piece to move, the inner opening driving piece cannot drive the inner opening connecting rod to rotate, and therefore the inner opening driving piece cannot be driven to move,

when the inner opening driving piece is positioned at one end of the second sliding hole, which faces away from the rotating shaft of the inner opening connecting rod, the structure of the inner opening driving piece, which is matched with the inner opening pull rod, does not correspond to the second clearance groove, the inner opening pull rod is pulled by the inner opening pull wire to rotate, the inner opening pull rod pushes the inner opening driving piece, the inner opening driving piece drives the inner opening connecting rod to rotate, the inner opening connecting rod drives the inner opening pushing piece to move, and after the pulling force of the inner opening pull rod on the inner opening pull rod disappears, the inner opening connecting rod reversely rotates and resets under the restoring force of the fourth elastic component;

an arming unit comprising: the first motor is arranged on the shell, the first worm is arranged on the first motor in a driving mode, the first worm wheel is rotatably arranged on the shell and meshed with the first worm, the outer safety rod is rotatably arranged on the shell, the inner safety rod is rotatably arranged on the shell, one end of the outer safety rod is connected with the first worm wheel, the other end of the outer safety rod is connected with the outer opening pushing piece, the inner safety rod is provided with a worm wheel connecting piece, an inner opening driving connecting piece and a stopping component, the worm wheel connecting piece is connected with the first worm wheel, and the inner opening driving connecting piece is connected with the inner opening driving piece,

the first motor drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the outer safety rod and the inner safety rod to rotate, the outer safety rod drives the outer opening pushing piece to slide on the first sliding hole, and the inner safety rod rotates to drive the inner opening driving piece to slide on the second sliding hole, so that synchronous locking or unlocking of the outer opening and the inner opening is realized;

an output unit including: an output rod rotatably mounted on the housing, a fifth elastic member having one end mounted on the housing and the other end mounted on the output rod, and an output pull wire mounted at one end of the output rod, wherein the other end of the output rod is provided with a second protrusion matched with the inner open connecting rod,

when the inner opening connecting rod is reset, the pushing force of the inner opening connecting rod on the output rod disappears, and the output rod reversely rotates and resets under the restoring force of the fifth elastic component;

automatic switch lock unit, includes: the second worm gear is rotatably installed on the shell and meshed with the second worm, an output wheel in transmission connection with the second worm gear, a self-suction push rod with one end rotatably installed on the output wheel, a displacement rod rotatably installed on the shell, a sixth elastic component with one end installed on the shell and the other end installed on the displacement rod, and a pre-tightening spring installed on the shell, wherein a second release rod is arranged on the output wheel, the other end of the self-suction push rod is a push end,

the relationship among the self-suction push rod, the displacement rod, the pre-tightening spring and the first bulge satisfies: when the output wheel rotates to drive the self-priming push rod to move, the pre-tightening spring and the displacement rod limit the motion track of the pushing end of the self-priming push rod, the pushing end of the self-priming push rod contacts with the first bulge after moving according to the motion track,

the second motor drives the second worm to rotate, the second worm drives the second worm wheel to rotate, the second worm wheel drives the output wheel to rotate, the output wheel respectively drives the self-priming push rod and the second release lever to move when rotating in two directions, the self-priming push rod moves to push the lock tongue to rotate and lock, the second release lever pushes the first release lever to rotate, and the first release lever pushes the pawl to rotate, so that the lock tongue is opened; and

a child lock unit comprising: a third motor arranged on the shell, a third worm arranged on the third motor, and a third worm wheel which is rotationally arranged on the shell and is meshed with the third worm, wherein a third bulge matched with the stop component is arranged on the third worm wheel,

when the child safety lock is used for upper safety, the inner opening driving piece is located at one end, facing the rotating shaft of the inner opening connecting rod, of the second sliding hole, and the outer opening pushing piece is located at one end, facing the rotating shaft of the driving rod, of the first sliding hole, so that when the child safety lock is executed: the third motor drives the third worm to rotate, and the third worm drives the third worm wheel to rotate at a position satisfying: the third protrusion is in contact with the stop component, when the first motor drives the inner safety lever and the outer safety lever to release safety, the outer safety lever performs safety releasing action, the third protrusion blocks the inner safety lever to rotate, and the inner safety lever cannot perform safety releasing action.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the driving rod is provided with a desorption pushing piece, the desorption pushing piece is matched with the displacement rod, when the self-absorption push rod performs self-absorption action, the driving rod is rotated towards the unlocking direction before the self-absorption push rod contacts the first bulge, the desorption pushing piece pushes the displacement rod to rotate, the pushing end of the self-absorption push rod is separated from the movement track, and the pushing end of the self-absorption push rod cannot contact with the first bulge, so that the lock tongue cannot be pushed to be locked.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the automatic locking and unlocking unit further comprises a first signal switch, the first signal switch is installed on the shell, a first signal pressing component is arranged on the output wheel, the first signal pressing component is matched with the first signal switch, when the output wheel rotates to lock or unlock, the first signal switch is disconnected, when the output wheel rotates to lock or unlock, the output wheel rotates to reverse and resets, the first signal switch is pressed by the first signal pressing component, and when the first signal switch is closed and switched on, the output wheel resets.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the child lock unit further comprises a second signal switch, the second signal switch is installed on the shell, a second signal pressing component is arranged on the third worm gear, the second signal pressing component is matched with the second signal switch, when the third worm gear executes the child lock function, the second signal pressing component presses the second signal switch to be closed, when the third worm gear does not execute the child lock function, the second signal pressing component cannot press the second signal switch, and the second signal switch is disconnected.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be provided: the outward opening pushing piece is provided with a first connecting piece and a push rod, the push rod is slidably mounted on the first sliding hole, the push rod is of a structure that the outward opening pushing piece is matched with the outward opening pull rod, the first connecting piece is connected with the outer safety rod,

the safety fuse comprises an outer safety rod, an inner safety pushing piece, a first worm wheel, a second connecting piece, a third sliding hole, a first groove, an inner safety pushing piece and a seventh elastic member, wherein the second connecting piece is arranged at one end of the outer safety rod, which is connected with the first worm wheel, the third sliding hole is arranged at one end of the outer safety rod, which is connected with the outer safety pushing piece, the length direction of the third sliding hole is parallel to the length direction of the first sliding hole, the first worm wheel is provided with the first groove, the inner safety pushing piece and the seventh elastic member, the second connecting piece is positioned in the first groove, the first connecting piece is slidably installed in the third sliding hole, one end of the seventh elastic member is fixed on the first worm wheel, the other end of the seventh elastic member is a free end, the free end of the seventh elastic member is matched with the inner safety pushing piece, the worm wheel connecting piece is positioned between the free ends of the inner safety pushing piece and the seventh elastic member, the first worm wheel rotates, and the free end of the inner safety pushing piece or the seventh elastic member pushes the worm wheel connecting piece to push the inner safety rod to carry out safety or release safety.

The external-open pull rod and the driving rod are coaxial.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the inside-opening connecting rod is provided with a U-shaped groove, the non-fixed end of the inside-opening pushing piece is spherical, the inside-opening pushing piece is located in the U-shaped groove, one end position of the pull rod, which is installed on the driving rod, is installed on the fixed end of the inside-opening pushing piece in a rotating mode, and one end, which is installed on the first release rod, of the pull rod is installed on the first release rod in a rotating mode.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the shell comprises a first shell and a second shell, the included angle between the first shell and the second shell is larger than 95 degrees and smaller than 135 degrees,

the lock body, the unlocking unit, the external unlocking driving unit and the automatic switch locking unit are installed in the first shell, and the internal unlocking driving unit, the upper safety unlocking unit and the output unit are installed in the second shell.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the second worm wheel is connected with the output wheel through a planetary wheel unit, and the planetary wheel unit comprises: a sun gear fixed on the rotating shaft of the second worm gear, an inner gear ring fixed on the shell and three planet gears which are respectively meshed with the sun gear and the inner gear ring,

the output wheel is rotatably installed on the shell, the rotation center of the output wheel is the same as that of the second worm wheel, three first rotating shafts are arranged on the output wheel, and the three planet wheels are rotatably installed on the three first rotating shafts respectively.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the pre-tightening spring comprises two spiral springs and a connecting wire, one ends of the two spiral springs are connected through the connecting wire, the two spiral springs and the connecting wire are integrally formed,

a fourth bulge is arranged on the pushing end of the self-priming push rod and clamped between the connecting line and the displacement rod, when the self-priming push rod moves, the fourth bulge moves along the side wall of the displacement rod to enable the pushing end of the self-priming push rod to be in contact with the first bulge,

the pushing end of the self-suction push rod is provided with a second groove matched with the first protrusion, and when the pushing end of the self-suction push rod is matched with the first protrusion, the first protrusion is located in the second groove.

Further, in the sliding door lock for a motor vehicle according to the present invention, there may be further provided: the first elastic member, the second elastic member, the third elastic member, the fourth elastic member, the fifth elastic member, and the sixth elastic member are torsion springs. The invention has the following advantages:

the sliding door lock of the motor vehicle integrates the outward opening, inward opening, upward unlocking, automatic opening and closing lock and the child lock, has compact structure, few parts during assembly at the assembly end of the whole vehicle, few connecting pull wires, few working procedures during assembly, few working hours, low possibility of error and low cost.

Drawings

FIG. 1 is a schematic structural view of a vehicle sliding door lock in an embodiment of the present invention;

FIG. 2 is a side view of a vehicle sliding door lock in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the lock body, the unlocking unit, the outward opening driving unit, the inward opening driving unit and the upper safety release unit in the embodiment of the invention;

figure 4 is a schematic structural view between the lock body and a part of the unlocking unit in an embodiment of the invention;

FIG. 5 is a schematic structural diagram of the lock body of the embodiment of the present invention when fully locked;

FIG. 6 is a schematic structural view of the lock body half-locked according to the embodiment of the present invention;

FIG. 7 is a schematic structural view of an embodiment of the present invention with the lock body fully open;

FIG. 8 is a schematic structural view of the lock body, the unlocking unit and the external opening drive unit according to the embodiment of the present invention;

FIG. 9 isbase:Sub>A sectional view A-A of FIG. 8;

FIG. 10 is a schematic block diagram of the structure among the unlocking unit, the outer safety lever and the outer opening pull rod in the embodiment of the invention;

FIG. 11 is a schematic structural diagram of an embodiment of the present invention, in which the inner opening driving unit, the upper safety release unit, the partial safety release unit and the output unit are arranged;

FIG. 12 is a schematic view of the structure between the inward opening driving unit, the partial upper safety release unit and the output unit in the embodiment of the present invention;

FIG. 13 is a schematic diagram of the results between the upper arming unit, the inner opening drive unit and the unlocking unit in an embodiment of the invention;

FIG. 14 is a schematic structural view of a child lock unit in an embodiment of the invention;

FIG. 15 is a schematic view of a portion of a self-priming unit in an embodiment of the present invention;

FIG. 16 is a schematic diagram of a partial structure of a self-priming unit in an embodiment of the present invention;

FIG. 17 is a sectional view taken along line B-B of FIG. 16;

fig. 18 is an exploded view of the structure between the second worm wheel, the output wheel and the planetary wheel unit in the embodiment of the present invention;

fig. 19 is a schematic structural view between a self-priming push rod and a lock tongue in an embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, the following embodiments are specifically described in the motor vehicle sliding door lock of the invention with reference to the accompanying drawings.

As shown in fig. 1 to 19, the vehicle sliding door lock 100 includes: the lock comprises a shell 10, a lock body, an unlocking unit, an outward opening driving unit, an inward opening driving unit, an upward unlocking unit, an output unit, an automatic switch lock unit and a child lock unit.

In the present embodiment, as shown in fig. 1 and 2, the housing 10 includes a first housing 11 and a second housing 12, and an included angle a between the first housing 11 and the second housing 12 is greater than 95 ° and less than 135 °. Specifically, the angle a between the first housing 11 and the second housing 12 is 118 °.

The lock body, the unlocking unit, the outward opening driving unit and the automatic switch locking unit are installed in the first shell 11, and the inward opening driving unit, the upward safety releasing unit and the output unit are installed in the second shell 12.

As shown in fig. 4, the lock body includes: a latch bolt 21, a pawl 22, a first elastic member 23 and a second elastic member 24.

The latch bolt 21 is rotatably installed on the first housing 11, and a first protrusion 211 is disposed on the latch bolt 21. The pawl 22 is rotatably mounted on the first housing 11, a toggle member 221 is disposed on the pawl 22, and the pawl 22 is engaged with the latch bolt 21. One end of the first elastic member 23 is mounted on the first housing 11 and the other end is mounted on the latch bolt 21. The second elastic member 24 has one end mounted on the first housing 11 and the other end mounted on the pawl 22. The latch tongue 21 and the pawl 22 are engaged and form a half-lock state, a full-lock state and a full-open state under the action of the first elastic member 23 and the second elastic member 24, the full-lock state is shown in fig. 5, the half-lock state is shown in fig. 6, and the full-open state is shown in fig. 7.

In the present embodiment, the first elastic member 23 and the second elastic member 24 are both torsion springs.

In this embodiment, a cam 212 is disposed on the latch bolt 21, one end of the cam 212 is rotatably mounted on a rotating shaft where the latch bolt 21 is located, and the latch bolt 21 rotates to drive the cam 212 to rotate together. One end of the first elastic member 23 is mounted on the first housing 11, and the other end is mounted on the cam 212.

As shown in fig. 4, 8, and 9, the unlocking unit includes: a first release lever 31, a drive lever 32, a third resilient member 33, a pull rod 34 and an outward opening push member 35.

The first release lever 31 is rotatably mounted on the first housing 11 and the first release lever 31 engages the pawl 22 such that counterclockwise rotation of the first release lever 31, as viewed in the orientation of fig. 4, drives the pawl 22 to rotate for unlocking. The drive lever 32 is rotatably mounted on the first housing 11. One end of the third elastic member 33 is mounted on the first housing 11, and the other end is mounted on the driving lever 32, and the third elastic member 33 is used for resetting after the driving lever 32 is rotated. The pull rod 34 has one end mounted to the first release lever 31 and the other end mounted to the drive lever 32. The driving rod 32 is provided with an inner opening pushing part 36 and a first sliding hole 321, and the outer opening pushing part 35 (as shown in fig. 9) is slidably mounted on the first sliding hole 321. In the present embodiment, one end of pull rod 34 mounted on first release lever 31 is rotatably mounted on first release lever 31.

When viewed in the direction of fig. 4, the drive rod 32 is pushed to rotate clockwise by the inward opening pushing piece 36 or the outward opening pushing piece 35, the drive rod 32 rotates clockwise to drive the pull rod 34 to move rightward, the pull rod 34 moves rightward to drive the first release lever 31 to rotate counterclockwise, the first release lever 31 rotates counterclockwise to drive the pawl to rotate clockwise, so that the lock tongue 21 is opened, and after the pushing force of the inward opening pushing piece 36 or the outward opening pushing piece 35 on the drive rod 32 disappears, the drive rod 32 rotates reversely under the restoring force of the third elastic member 33 to reset.

In the present embodiment, the third elastic member is a torsion spring.

As shown in fig. 4 and 8, the outward opening drive unit includes: an outward opening pull rod 41 and an outward opening pull wire 42. One end of the outward opening pull rod 41 is rotatably installed on the first housing 11, the other end of the outward opening pull rod 41 is installed with an outward opening pull wire 42, and the outward opening pull rod 41 is matched with the outward opening pushing member 35. Specifically, the outward opening lever 41 and the driving lever 32 are coaxial, and both the outward opening lever 41 and the driving lever 32 rotate around the same rotation axis. In fig. 10, a dotted line b is a contour of the outward-opening pull rod 41, and a groove at the dotted line b is a first clearance groove. As shown in fig. 10, the outward opening link 41 is provided with a first clearance groove 411.

When the outward-opening pushing member 35 is located at one end of the first sliding hole 321 facing the rotating shaft of the driving rod 32, that is, when viewed from the direction shown in fig. 4, when the outward-opening pushing member 35 is located at the left end of the first sliding hole 321, the structure where the outward-opening pushing member 35 is matched with the outward-opening pull rod 41 corresponds to the first clearance groove 411, the outward-opening pull rod 41 rotates, the structure where the outward-opening pushing member 35 is matched with the outward-opening pull rod 41 enters the first clearance groove 411, the outward-opening pull rod 41 cannot drive the outward-opening pushing member 35 to move, when the outward-opening pushing member 35 is located at one end of the first sliding hole 321 opposite to the rotating shaft of the driving rod 32, the structure where the outward-opening pushing member 35 is matched with the outward-opening pull rod 41 does not correspond to the first clearance groove 411, and the outward-opening pull rod 41 rotates to drive the outward-opening pushing member 35 to move, so as to open the lock body.

In the present embodiment, as shown in fig. 9 and 10, the outward opening pushing member 35 is provided with a first connecting member 351 and a push rod 352, the push rod 352 is slidably mounted on the first sliding hole 321, and the first connecting member 351 is connected to the outer bumper 64. The push rod 352 is a structure in which the outward-opening pushing piece 35 is matched with the outward-opening pull rod 41, and the outward-opening pull rod 41 drives the outward-opening pushing piece 35 to move by pushing the push rod 352.

As shown in fig. 11, 12, and 13, the inward opening drive unit includes: an inward opening connecting rod 51, a fourth elastic component 52, an inward opening pull rod 53, an inward opening pull wire 54 and an inward opening driving piece 55.

The inward opening connecting rod 51 is rotatably mounted on the second housing 12, and the inward opening connecting rod 51 is connected with the inward opening pushing member 36. One end of the fourth elastic member 52 is attached to the second housing 12, and the other end is attached to the inside open link 51. The inwardly opening pull rod 53 is pivotally mounted to the second housing 12. The inward opening pulling wire 54 is mounted on the inward opening pulling rod 53. The inside open link 51 is provided with a second slide hole 511, and the inside open drive member 55 is slidably mounted in the second slide hole 511. In fig. 12, a broken line d is a contour line of the inner open link 53 in which the through hole is blocked, and as shown in fig. 12, the inner open link 53 is provided with a second clearance groove 531.

When the inner opening driving element 55 is located at one end of the second sliding hole 511 facing the rotating shaft of the inner opening connecting rod 51, that is, when the inner opening driving element 55 is located at the left end of the second sliding hole 511, the structure of the inner opening driving element 55 and the inner opening pull rod 53 is corresponding to the second clearance groove 531, when the inner opening pull rod 53 is pulled by the inner opening pull wire 54 to rotate, the structure of the inner opening driving element 55 and the inner opening pull rod 53 is inserted into the second clearance groove 531, the inner opening pull rod 53 cannot drive the inner opening driving element 55 to move, and thus the inner opening driving element 55 cannot drive the inner opening connecting rod 51 to rotate, and thus the inner opening pushing element 36 cannot be driven to move.

When the inner opening driving element 55 is located at an end of the second sliding hole 511 opposite to the rotating shaft of the inner opening connecting rod 51, that is, when the inner opening driving element 55 is located at the right end of the second sliding hole 511, the structure of the inner opening driving element 55 and the inner opening pull rod 53 is not corresponding to the second clearance groove 531, when the inner opening pull rod 54 pulls the inner opening pull rod 53 to rotate, the inner opening pull rod 53 pushes the inner opening driving element 55, the inner opening driving element 55 drives the inner opening connecting rod 51 to rotate, and the inner opening connecting rod 51 drives the inner opening pushing element 36 to move. When the pulling force of the inward opening pull wire 54 to the inward opening pull rod 53 disappears, the inward opening link 51 is reversely rotated and restored by the restoring force of the fourth elastic member 52.

In this embodiment, the inside open link 51 is provided with a U-shaped groove 512 (as shown in fig. 12), the unfixed end of the inside open pusher 36 is spherical, the inside open pusher 36 is located in the U-shaped groove 512, and the end of the pull rod 34 mounted on the driving rod 32 is rotatably mounted on the fixed end of the inside open pusher 36.

In the present embodiment, the fourth elastic member 52 is a torsion spring.

As shown in fig. 13, the upper arming unit includes: a first motor 61, a first worm 62, a first worm wheel 63, an outer safety lever 64 and an inner safety lever 65.

The first motor 61 is mounted on the second housing 12. The first worm 62 is drivingly mounted on the first motor 61. The first worm wheel 63 is rotatably mounted on the second housing 12, and the first worm wheel 63 meshes with the first worm 62. An outer safety lever 64 is rotatably mounted on the second housing 12, one end of the outer safety lever 64 is connected to the first worm wheel 62, and the other end of the outer safety lever 64 is connected to the outer opening push member 35. The inner safety lever 65 is rotatably mounted on the second housing 12, the inner safety lever 65 is provided with a worm gear connector 651, an inner opening driving connector (not shown) and a stopper 653, the worm gear connector 651 is connected to the first worm gear 62, and the inner opening driving connector is connected to the inner opening driving member 55.

The first motor 61 drives the first worm 62 to rotate, the first worm 62 drives the first worm wheel 63 to rotate, the first worm wheel 63 drives the outer safety rod 64 and the inner safety rod 65 to rotate, the outer safety rod 64 drives the outer opening pushing piece 35 to slide on the first sliding hole 321, and the inner safety rod 65 rotates to drive the inner opening driving piece 55 to slide on the second sliding hole 511, so that synchronous locking or unlocking of the outer opening and the inner opening is realized.

In this embodiment, a second connecting member 641 is disposed at one end of the outer bumper 64 connected to the first worm wheel 63, and specifically, the second connecting member 641 is a ball head. One end of the outer safety lever 64 connected with the outer opening pushing piece 35 is provided with a third sliding hole 642, the length direction of the third sliding hole 642 is parallel to the length direction of the first sliding hole 321, the first worm wheel 63 is provided with a first groove 631, an inner safety pushing piece 632 and a seventh elastic member 633, the second connecting piece 641 is positioned in the first groove 631, and the first connecting piece 351 is slidably mounted in the third sliding hole 642. One end of the seventh elastic member 633 is fixed on the first worm wheel 63, and the other end is a free end, the free end of the seventh elastic member 633 is matched with the inner safety pushing element 632, and the worm wheel connector 651 is located between the inner safety pushing element 632 and the free end of the seventh elastic member 633. The first worm wheel 63 rotates, and the free end of the inner safety pusher 632 or the seventh elastic member 633 pushes the worm wheel connector 651 to push the inner safety lever 65 to perform the arming or disarming.

When the first worm wheel 63 rotates counterclockwise as viewed in the direction of fig. 13, the inner safety pushing member 632 pushes the worm wheel connecting member 651 to push the inner safety lever 65 to rotate clockwise for upper safety; the first worm wheel 63 rotates clockwise, and the free end of the seventh elastic member 633 pushes the worm wheel connecting part 651 thus to push the inner safety lever 65 to rotate counterclockwise for safekeeping.

Specifically, the seventh elastic member 633 is a torsion spring.

As shown in fig. 12, the output unit includes: an output rod 71, a fifth elastic member 72, and an output wire 73.

The output rod 71 is rotatably mounted on the second housing 12. One end of the fifth elastic member 72 is mounted on the second housing 12, and the other end is mounted on the output rod 71. The output wire 73 is attached to one end of the output rod 71, and the other end of the output rod 71 is provided with a second protrusion 711 that matches the inside open link 51, and in fig. 12, the second protrusion 711 is provided on the side of the output rod 71 facing the paper surface, and the position of the second protrusion 711 is shown in fig. 12.

When the inward opening is unlocked, as shown in fig. 12, the inward opening link 51 rotates counterclockwise to push the second protrusion 711 and thus push the output rod 71 to rotate clockwise, and the output rod 71 pulls the output pull wire 73 to perform operation output. When the inside open link 51 is returned, the pushing force of the inside open link 51 to the output rod 71 disappears, and the output rod 71 is returned by the return force of the fifth elastic member 72.

In the present embodiment, the fifth elastic member 72 is a torsion spring.

As shown in fig. 15, 16, 17, 18, and 19, the automatic opening and closing lock unit includes: a second motor 81, a second worm 82, a second worm wheel 83, an output wheel 84, a self-suction push rod 85, a displacement rod 86, a sixth elastic member 87 and a pre-tightening spring 88.

The second motor 81 is mounted on the first housing 11, and the second worm 82 is mounted on the second motor 81. The second worm wheel 83 is rotatably mounted on the first housing 11, and the second worm wheel 83 meshes with the second worm 82.

The output wheel 84 is in transmission connection with the second worm wheel 83. In the present embodiment, the second worm gear 83 is connected to the output wheel 84 via a planetary gear unit 89. As shown in fig. 18, the planetary gear unit 89 includes: sun gear 891, three planet gears 892 and annulus gear 893. The sun gear 891 is fixed on the rotating shaft of the second worm wheel 83, the inner gear ring 893 is fixed on the first shell 11, and the three planet gears 892 are respectively meshed with the sun gear 891 and the inner gear ring 893. The output wheel 84 is rotatably mounted on the first housing 11, and the output wheel 84 and the second worm wheel 83 have the same rotation center. The output wheel 84 is provided with three first rotating shafts 841, and three planetary wheels 892 are rotatably mounted on the three first rotating shafts 841 respectively.

One end of the self-suction push rod 85 is rotatably installed on the output wheel 84, and the other end of the self-suction push rod is a pushing end. The displacement rod 86 is rotatably mounted on the first housing 11. One end of the sixth elastic member 87 is mounted on the first housing 11, and the other end is mounted on the displacement rod 86. The pre-tension spring 88 is mounted on the first housing 11. A second release lever 842 is provided on the output wheel 84.

The relationship among the self-priming push rod 85, the displacement rod 86, the pre-tightening spring 88 and the first protrusion 211 satisfies: when the output wheel 84 rotates to drive the self-priming push rod 85 to move, the pre-tightening spring 88 and the displacement rod 86 limit the motion track of the pushing end of the self-priming push rod 85, and the pushing end of the self-priming push rod 85 contacts with the first protrusion 211 after moving according to the limited motion track.

The second motor 81 drives the second worm 82 to rotate, the second worm 82 drives the second worm wheel 83 to rotate, the second worm wheel 83 drives the output wheel 84 to rotate, when the output wheel 84 rotates in two directions (i.e. clockwise rotation and counterclockwise rotation), the self-priming push rod 85 and the second release lever 842 are respectively driven to move, when the output wheel 84 rotates counterclockwise as seen in the direction of fig. 15, the self-priming push rod 85 moves to push the lock tongue 21 to rotate and lock, so that self-priming and electric locking are realized; the output wheel 84 rotates clockwise, the second release lever 842 pushes the first release lever 31 to rotate, and the first release lever 31 pushes the pawl 22 to rotate, so that the latch bolt 21 is opened, and the electric unlocking is realized.

In this embodiment, as shown in fig. 15, a desorption pushing member 322 is disposed on the driving rod 32, the desorption pushing member 322 is engaged with the displacement rod 86, when the self-priming push rod 85 performs a self-priming action, before the self-priming push rod 85 contacts the first protrusion 211, the driving rod 32 is rotated in an unlocking direction (i.e., clockwise rotation), the desorption pushing member 322 pushes the displacement rod 86 to rotate counterclockwise, the pushing end of the self-priming push rod 85 is separated from a normal movement track, and the pushing end of the self-priming push rod 85 cannot contact the first protrusion 211, so that the lock tongue 21 cannot be pushed to be locked, and emergency desorption is performed. When the lock body is locked, the internal opening driving piece 55 and the external opening pushing piece 35 are generally positioned at the position of relief, so that when emergency desorption is performed in the self-priming process, the external opening pulling wire 42 is pulled to perform the emergency desorption.

In this embodiment, as shown in fig. 15, the automatic locking and unlocking unit 80 further includes a first signal switch 810, the first signal switch 810 is mounted on the first housing 11, a first signal pressing member 843 is provided on the output wheel 84, the first signal pressing member 843 cooperates with the first signal switch 810, the first signal switch 810 is turned off when the output wheel 84 rotates to perform locking or unlocking, and when the first signal pressing member 843 presses the first signal switch 810 to turn on the first signal switch 810 after the output wheel 84 rotates to perform locking or unlocking, the output wheel 84 is reset.

In this embodiment, as shown in fig. 15, the pre-tightening spring 88 includes two coil springs 881 and a connection line 882, one end of each of the two coil springs 881 is connected to one end of the connection line 882, and the two coil springs 881 and the connection line 882 are integrally formed.

The pushing end of the self-priming push rod 85 is provided with a fourth protrusion 852, the fourth protrusion 852 is clamped between the connecting line 882 and the displacement rod 86, and when the self-priming push rod 85 moves, the fourth protrusion 852 moves along the side wall of the displacement rod 86 to form a motion track of the pushing end of the self-priming push rod 88, so that the pushing end of the self-priming push rod 85 contacts the first protrusion 211 after moving.

As shown in fig. 19, the pushing end of the self-priming push rod 85 is provided with a second groove 851 matching with the first protrusion 211, and when the pushing end of the self-priming push rod 85 matches with the first protrusion 211, the first protrusion 211 is located in the second groove 851.

In the present embodiment, the sixth elastic member 87 is a torsion spring.

As shown in fig. 14, the child lock unit includes: a third motor 91, a third worm 92 and a third worm wheel 93.

The third motor 91 is mounted on the second housing 12. The third worm 92 is mounted on the third motor 91. The third worm wheel 93 is rotatably mounted on the second housing 12, and the third worm wheel 93 meshes with the third worm 92. Third worm gear 93 is provided with a third projection 931 which cooperates with stop member 653.

In the upper safety, the inner opening driving piece 55 is located at one end of the second sliding hole 511 facing the rotating shaft of the inner opening connecting rod 51, the outer opening pushing piece 35 is located at one end of the first sliding hole 321 facing the rotating shaft of the driving rod 32, the inner opening driving piece 55 is located at the left end of the second sliding hole 511, and the outer opening pushing piece 35 is located at the left lower end of the first sliding hole 321 as viewed in the direction of fig. 13. When the child lock function is executed: the third motor 91 drives the third worm 92 to rotate, and the position where the third worm 92 drives the third worm wheel 93 to rotate satisfies the following conditions: the third protrusion 931 contacts the backstop member 653. When the first motor 61 drives the inner safety rod 65 and the outer safety rod 64 to be relieved, the outer safety rod 64 pushes the outer opening pushing piece 35 to slide to the upper right end of the first sliding hole 321, and the relief action is executed; since the third protrusion 931 blocks the inner safety lever 65 from rotating, the inner safety lever 65 cannot perform the arming action.

In this embodiment, the child lock unit 90 further includes a second signal switch 94, the second signal switch 94 is mounted on the second housing 12, a second signal pressing member 932 is disposed on the third worm wheel 93, the second signal pressing member 932 cooperates with the second signal switch 94, when the third worm wheel 93 performs the child lock function, the second signal pressing member 932 presses the second signal switch 94 closed, when the third worm wheel 93 does not perform the child lock function, the second signal pressing member 932 cannot press the second signal switch 94, and the second signal switch 94 is opened.

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 sliding door lock, comprising:

a housing;

a lock body, comprising: the lock comprises a lock tongue, a pawl, a first elastic component and a second elastic component, wherein the lock tongue is rotatably installed on the shell, the pawl is rotatably installed on the shell and matched with the lock tongue, one end of the first elastic component is installed on the shell, the other end of the first elastic component is installed on the lock tongue, one end of the second elastic component is installed on the shell, the other end of the second elastic component is installed on the pawl, the pawl is provided with a poking component, the lock tongue is provided with a first bulge, and the lock tongue and the pawl are matched and form a half-lock state, a full-lock state and a full-open state under the action of the first elastic component and the second elastic component;

an unlocking unit comprising: a first release lever rotatably mounted on the housing and engaged with the pawl, a drive lever rotatably mounted on the housing, a third elastic member having one end mounted on the housing and the other end mounted on the drive lever, a pull rod having one end mounted on the first release lever and the other end mounted on the drive lever, and an outward opening push member, the drive lever being provided with an inward opening push member and a first slide hole, the outward opening push member being slidably mounted on the first slide hole,

the driving rod is pushed to rotate by the inner opening pushing piece or the outer opening pushing piece, the driving rod can drive the pull rod to move by rotating, the first release lever can be driven to rotate by moving the pull rod, the pawl is driven to rotate by rotating the first release lever, so that the lock tongue is opened, and after the pushing force of the inner opening pushing piece or the outer opening pushing piece on the driving rod disappears, the driving rod reversely rotates and resets under the restoring force of the third elastic component;

an out-opening drive unit comprising: an outward opening pull rod with one end rotatably mounted on the shell and matched with the outward opening pushing piece, and an outward opening pull wire mounted at the other end of the outward opening pull rod, wherein a first clearance groove is arranged on the outward opening pull rod,

when the outward opening pushing piece is positioned at one end, facing the rotating shaft of the driving rod, of the first sliding hole, the structure, matched with the outward opening pull rod, of the outward opening pushing piece corresponds to the first clearance groove, the outward opening pull rod rotates, the structure, matched with the outward opening pull rod, of the outward opening pushing piece enters the first clearance groove, the outward opening pull rod cannot drive the outward opening pushing piece to move, when the outward opening pushing piece is positioned at one end, facing away from the rotating shaft of the driving rod, of the first sliding hole, the structure, matched with the outward opening pull rod, of the outward opening pushing piece does not correspond to the first clearance groove, and the outward opening pull rod rotates to drive the outward opening pushing piece to move;

an inwardly opening drive unit comprising: the inner opening push piece is rotatably arranged on the shell and connected with the inner opening push piece, the fourth elastic component is arranged on the shell, one end of the fourth elastic component is arranged on the inner opening push piece, the inner opening pull rod is rotatably arranged on the shell, the inner opening pull wire is arranged on the inner opening pull rod, the inner opening drive piece is arranged on the inner opening pull rod, the inner opening connecting rod is provided with a second sliding hole, the inner opening drive piece is slidably arranged on the second sliding hole, the inner opening pull rod is provided with a second clearance groove,

when the inner opening driving piece is positioned at one end of the second sliding hole facing the rotating shaft of the inner opening connecting rod, the structure of the inner opening driving piece matched with the inner opening pull rod corresponds to the second clearance groove, when the inner opening pull wire pulls the inner opening pull rod to rotate, the structure of the inner opening driving piece matched with the inner opening pull rod enters the second clearance groove, the inner opening pull rod cannot drive the inner opening driving piece to move, the inner opening driving piece cannot drive the inner opening connecting rod to rotate, and therefore the inner opening driving piece cannot be driven to move,

when the inward opening driving piece is located at one end, back to the rotating shaft of the inward opening connecting rod, of the second sliding hole, the structure, matched with the inward opening pull rod, of the inward opening driving piece does not correspond to the second avoiding groove, the inward opening pull wire pulls the inward opening pull rod to rotate, the inward opening pull rod pushes the inward opening driving piece, the inward opening driving piece drives the inward opening connecting rod to rotate, the inward opening connecting rod drives the inward opening pushing piece to move, and after the pulling force of the inward opening pull wire on the inward opening pull rod disappears, the inward opening connecting rod reversely rotates and resets under the restoring force of the fourth elastic component;

an arming unit comprising: the first motor is installed on the shell, the first worm is installed on the first motor in a driving mode, the first worm wheel is installed on the shell in a rotating mode and meshed with the first worm, the outer safety rod is installed on the shell in a rotating mode, the inner safety rod is installed on the shell in a rotating mode, one end of the outer safety rod is connected with the first worm wheel, the other end of the outer safety rod is connected with the outer opening pushing piece, a worm wheel connecting piece, an inner opening driving connecting piece and a stopping component are arranged on the inner safety rod, the worm wheel connecting piece is connected with the first worm wheel, and the inner opening driving connecting piece is connected with the inner opening driving piece,

the first motor drives the first worm to rotate, the first worm drives the first worm wheel to rotate, the first worm wheel drives the outer safety rod and the inner safety rod to rotate, the outer safety rod drives the outer opening pushing piece to slide on the first sliding hole, and the inner safety rod rotates to drive the inner opening driving piece to slide on the second sliding hole, so that synchronous locking or unlocking of the outer opening and the inner opening is realized;

an output unit including: an output rod rotatably mounted on the housing, a fifth elastic member having one end mounted on the housing and the other end mounted on the output rod, and an output pull wire mounted at one end of the output rod, wherein the other end of the output rod is provided with a second protrusion matched with the inner open connecting rod,

when the inner opening is unlocked, the inner opening connecting rod rotates to push the second protrusion so as to push the output rod to rotate, the output rod pulls the output pull wire to perform action output, when the inner opening connecting rod resets, the thrust of the inner opening connecting rod on the output rod disappears, and the output rod reversely rotates and resets under the restoring force of the fifth elastic component;

automatic switch lock unit includes: the second motor is arranged on the shell, the second worm is arranged on the second motor, the second worm wheel is rotatably arranged on the shell and meshed with the second worm, the output wheel is in transmission connection with the second worm wheel, the self-suction push rod is rotatably arranged on the output wheel at one end, the displacement rod is rotatably arranged on the shell, the sixth elastic component is arranged on the displacement rod at one end on the shell and at the other end, and the pre-tightening spring is arranged on the shell, the second release rod is arranged on the output wheel, and the other end of the self-suction push rod is a push end,

the relationship among the self-suction push rod, the displacement rod, the pre-tightening spring and the first bulge satisfies: when the output wheel rotates to drive the self-priming push rod to move, the pre-tightening spring and the displacement rod limit the motion track of the pushing end of the self-priming push rod, the pushing end of the self-priming push rod contacts with the first bulge after moving according to the motion track,

the second motor drives the second worm to rotate, the second worm drives the second worm gear to rotate, the second worm gear drives the output wheel to rotate, the output wheel respectively drives the self-priming push rod and the second release lever to move when rotating in two directions, the self-priming push rod moves to push the lock tongue to rotate and lock, the second release lever pushes the first release lever to rotate, and the first release lever pushes the pawl to rotate, so that the lock tongue is opened; and

a child lock unit comprising: the third motor is mounted on the shell, the third worm is mounted on the third motor, the third worm wheel is rotatably mounted on the shell and meshed with the third worm, a third bulge matched with the stop component is arranged on the third worm wheel, the inner opening driving piece is located at one end, facing the rotating shaft of the inner opening connecting rod, of the second sliding hole during upper insurance, the outer opening pushing piece is located at one end, facing the rotating shaft of the driving rod, of the first sliding hole, and when the child lock function is executed: the third motor drives the third worm to rotate, and the third worm drives the third worm wheel to rotate at a position satisfying: the third is protruding with keep off the contact of component, first motor drive interior bumper with when outer bumper is separated the insurance, outer bumper execution separates the insurance action, the third is protruding to block interior bumper rotates, interior bumper can not execute and separate the insurance action.

2. The motor vehicle sliding door lock according to claim 1, wherein:

the driving rod is provided with a desorption pushing piece, the desorption pushing piece is matched with the displacement rod, when the self-absorption push rod executes self-absorption action, the driving rod is rotated towards the unlocking direction before the self-absorption push rod contacts the first bulge, the desorption pushing piece pushes the displacement rod to rotate, the pushing end of the self-absorption push rod is separated from the movement track, and the pushing end of the self-absorption push rod cannot contact with the first bulge, so that the lock tongue cannot be pushed to be locked.

3. The motor vehicle sliding door lock according to claim 1, wherein:

the automatic locking and unlocking unit further comprises a first signal switch, the first signal switch is installed on the shell, a first signal pressing component is arranged on the output wheel, the first signal pressing component is matched with the first signal switch, when the output wheel rotates to lock or unlock, the first signal switch is disconnected, when the output wheel rotates to lock or unlock, the output wheel rotates to reverse and resets, the first signal switch is pressed by the first signal pressing component, and when the first signal switch is closed and switched on, the output wheel resets.

4. The motor vehicle sliding door lock according to claim 1, wherein:

the child lock unit further comprises a second signal switch, the second signal switch is installed on the shell, a second signal pressing component is arranged on the third worm gear, the second signal pressing component is matched with the second signal switch, when the third worm gear executes the child lock function, the second signal pressing component presses the second signal switch to be closed, when the third worm gear does not execute the child lock function, the second signal pressing component cannot press the second signal switch, and the second signal switch is disconnected.

5. The vehicle sliding door lock according to claim 1, wherein:

the outward opening pushing piece is provided with a first connecting piece and a push rod, the push rod is slidably mounted on the first sliding hole, the push rod is of a structure that the outward opening pushing piece is matched with the outward opening pull rod, the first connecting piece is connected with the outer safety rod,

the safety fuse comprises an outer safety rod, an inner safety pushing piece, a first worm wheel, a second connecting piece, a third sliding hole, a first groove, an inner safety pushing piece and a seventh elastic member, wherein the second connecting piece is arranged at one end of the outer safety rod, which is connected with the first worm wheel, the third sliding hole is arranged at one end of the outer safety rod, which is connected with the outer safety pushing piece, the length direction of the third sliding hole is parallel to the length direction of the first sliding hole, the first worm wheel is provided with the first groove, the inner safety pushing piece and the seventh elastic member, the second connecting piece is positioned in the first groove, the first connecting piece is slidably installed in the third sliding hole, one end of the seventh elastic member is fixed on the first worm wheel, the other end of the seventh elastic member is a free end, the free end of the seventh elastic member is matched with the inner safety pushing piece, the worm wheel connecting piece is positioned between the free ends of the inner safety pushing piece and the seventh elastic member, the first worm wheel rotates, and the free end of the inner safety pushing piece or the seventh elastic member pushes the worm wheel connecting piece to push the inner safety rod to carry out safety or release safety.

The external-open pull rod and the driving rod are coaxial.

6. The motor vehicle sliding door lock according to claim 1, wherein:

the inside-opening connecting rod is provided with a U-shaped groove, the non-fixed end of the inside-opening pushing piece is spherical, the inside-opening pushing piece is located in the U-shaped groove, one end position of the pull rod, which is installed on the driving rod, is installed on the fixed end of the inside-opening pushing piece in a rotating mode, and one end, which is installed on the first release rod, of the pull rod is installed on the first release rod in a rotating mode.

7. The motor vehicle sliding door lock according to claim 1, wherein:

the shell comprises a first shell and a second shell, the included angle between the first shell and the second shell is larger than 95 degrees and smaller than 135 degrees,

the lock body, the unlocking unit, the outward opening driving unit and the automatic switch locking unit are arranged in the first shell, and the inward opening driving unit, the upward unlocking unit and the output unit are arranged in the second shell.

8. The motor vehicle sliding door lock according to claim 1, wherein:

the second worm wheel with be connected through planet wheel unit between the output wheel, planet wheel unit includes: a sun gear fixed on the rotating shaft of the second worm gear, an inner gear ring fixed on the shell and three planet gears which are respectively meshed with the sun gear and the inner gear ring,

the output wheel is rotatably installed on the shell, the rotation center of the output wheel is the same as that of the second worm wheel, three first rotating shafts are arranged on the output wheel, and the three planet wheels are rotatably installed on the three first rotating shafts respectively.

9. The motor vehicle sliding door lock according to claim 1, wherein:

the pre-tightening spring comprises two spiral springs and a connecting wire, one ends of the two spiral springs are connected through the connecting wire, the two spiral springs and the connecting wire are integrally formed,

a fourth bulge is arranged on the pushing end of the self-priming push rod and clamped between the connecting line and the displacement rod, when the self-priming push rod moves, the fourth bulge moves along the side wall of the displacement rod to enable the pushing end of the self-priming push rod to be in contact with the first bulge,

the pushing end of the self-suction push rod is provided with a second groove matched with the first protrusion, and when the pushing end of the self-suction push rod is matched with the first protrusion, the first protrusion is located in the second groove.

10. The motor vehicle sliding door lock according to claim 1, wherein:

the first elastic member, the second elastic member, the third elastic member, the fourth elastic member, the fifth elastic member, and the sixth elastic member are torsion springs.

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