CN115012745A - Automobile door lock meshing structure and automobile - Google Patents

Abstract

The invention belongs to the technical field of automobile door lock equipment, and discloses an automobile door lock meshing structure and an automobile, wherein the automobile door lock meshing structure comprises: the pawl assembly comprises a pawl and a pawl shaft, the pawl shaft is fixedly arranged, and the pawl is rotationally arranged on the pawl shaft; the ratchet assembly comprises a double ratchet and a ratchet shaft, the ratchet shaft is fixedly arranged, the double ratchet is arranged on the ratchet shaft in a rotating mode, the double ratchet always has a rotating trend on the ratchet shaft, and the double ratchet comprises a full-locking ratchet and a half-locking ratchet. The invention can reduce the condition that the shaking of the vehicle door drives the ratchet wheel to rotate, the ratchet wheel is disengaged from the pawl and abnormal sound is generated, meanwhile, the false triggering of the pawl signal switch caused by the pushing of the lock catch after the single ratchet wheel is engaged is reduced, and the safety of the vehicle door lock is improved.

Description

An automobile door lock meshing structure and automobile

technical field

The invention relates to the technical field of automobile door lock equipment, in particular to an automobile door lock meshing structure and an automobile.

Background technique

The car door lock system is a device that can be installed on the door and its column to reliably lock the door, and realize the opening and locking functions through its internal mechanism. Common car lock systems include card-type door locks, using the principle of ratchet and pawl Locking or opening is achieved through the engagement and disengagement of the rotating card plate and the block, with two positions of full locking and half locking. The half-lock position is the engagement position of the lock body and the lock catch when the door is not fully closed; the fully locked position is the engagement position of the lock body and the lock catch when the door is completely closed.

In the existing door lock meshing structure, the half-locking position and the full-locking position are generally adjusted by a single ratchet structure, and the lock is limited by the cooperation of different positions of the single ratchet and the pawl to realize the half locking of the door. , fully locked or unlocked. However, when the vehicle body is moving, in the fully locked state, the shaking of the door will easily cause the lock to drive the movement of the ratchet, the ratchet and the pawl are disengaged from the meshing state, and reset and collide, which will not only produce abnormal noise, but may also cause the pawl. Affected by the rotation of the single ratchet, the pawl signal switch is triggered by mistake, which affects the safety of the door lock. In addition, the matching lock components of the single ratchet structure of different specifications are different. When facing the needs of different projects with different lock diameters , it is often necessary to adjust many lock body parts, resulting in an increase in the overall cost.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automobile door lock meshing structure and an automobile, so as to solve the problems of abnormal collision between the ratchet wheel and the pawl and the false triggering of the signal switch.

For this purpose, the present invention adopts the following technical solutions:

An automobile door lock meshing structure, comprising: a ratchet assembly, the ratchet assembly includes a ratchet and a ratchet shaft, the ratchet shaft is fixedly arranged, and the ratchet is rotatably arranged on the ratchet shaft; a ratchet assembly, The ratchet assembly includes a double ratchet wheel and a ratchet wheel shaft, the ratchet wheel shaft is fixedly arranged, the double ratchet wheel is rotatably arranged on the ratchet wheel shaft, and the double ratchet wheel always has a tendency to rotate on the ratchet wheel shaft, and the double ratchet wheel includes a full A locking ratchet wheel and a half locking ratchet wheel, the double ratchet wheels can rotate simultaneously under the action of the lock catch, and the double ratchet wheel and the pawl have a half lock position and a full lock position under the action of the lock catch. When the double ratchet is in the half-lock position, the half-lock ratchet engages with the pawl; when the double ratchet is in the full-lock position, the full-lock ratchet engages with the pawl , and when the double ratchet is in the full lock position, the lock catch can make the half-lock ratchet rotate relative to the full-lock ratchet.

Preferably, a notch is provided on the side of the full-lock ratchet near the lock to provide a rotation margin of the half-lock ratchet relative to the full-lock ratchet in the full-lock position.

Preferably, a linkage assembly is provided between the full-lock ratchet and the half-lock ratchet, so that the lock can simultaneously drive the full-lock ratchet and the half-lock ratchet to rotate.

Preferably, the linkage assembly includes a limit pin, the limit pin is fixedly arranged on the side of the full-lock ratchet close to the half-lock ratchet, and the half-lock ratchet is provided with a length matching the limit pin. A sliding hole, when the full-locking ratchet is in the full-locking position, the long sliding hole enables the lock to continue to drive the half-locking ratchet to rotate relative to the full-locking ratchet.

Preferably, the full-locking ratchet wheel is provided with a full-locking blocking block on the side close to the pawl, and the full-locking ratchet is engaged with the pawl through the full-locking blocking block.

Preferably, the half-locking ratchet wheel is provided with a half-locking blocking block near one end of the pawl, and the half-locking ratchet is engaged with the pawl through the half-locking blocking block.

Preferably, the side of the full-lock ratchet wheel and the half-lock position ratchet wheel close to each other is set as a smooth surface.

Preferably, the ratchet shaft is provided with a torsion spring, one end of the torsion spring is fixedly connected to the ratchet shaft, and the other end of the torsion spring is in contact with the full locking ratchet and the half locking ratchet, so that the double ratchet has a rotating trend.

Preferably, the surfaces of the parts where the pawl, the full-locking ratchet and the half-locking ratchet engage and contact each other are fixedly provided with a plastic wrapping structure.

An automobile includes the above-mentioned automobile door lock engaging structure.

The beneficial effects of the invention are as follows: while the car door lock meshing mechanism can realize the state switching functions of unlocking, half-locking and full-locking of the car lock, when the car lock enters the full-locking state, the full-locking ratchet always maintains the same In the clamping state of the pawl, the shaking of the lock only drives the rotation of the half-locking ratchet, and the relative sliding between the full-locking ratchet and the half-locking ratchet does not affect the engaging state of the full-locking ratchet, thereby avoiding the occurrence of In the prior art, when the single ratchet structure is fully locked and engaged, the shaking of the door drives the single ratchet to rotate and disengage the pawl, and the knocking produces abnormal noise, and at the same time, it reduces the occurrence of the pawl signal switch caused by the push of the lock after the single ratchet is engaged. False trigger, improve the security of the door lock.

Description of drawings

1 is a perspective view of a semi-locked state of the present invention;

2 is a perspective view of the present invention in a semi-locked state from another perspective;

Fig. 3 is the structure schematic diagram of the pawl part of the present invention;

Fig. 4 is the structural representation of the present invention removing the half-locking ratchet;

Fig. 5 is the structural representation of the present invention removing the full locking ratchet;

6 is a perspective view of the present invention in a fully locked state;

Fig. 7 is the perspective view of the over-travel state of the present invention;

FIG. 8 is a perspective view of the present invention in an over-travel state from another perspective.

In the figure: 1, pawl; 2, pawl shaft; 3, ratchet shaft; 4, torsion spring; 5, limit pin; 501, long sliding hole; 6, full locking ratchet; 601, full locking block ; 602, notch; 7, half-lock ratchet; 701, half-lock card block; 8, lock.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for convenience of description and simplified operation, rather than indicating Or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

The door lock is provided with a door lock engaging structure, which includes a pawl assembly and a ratchet assembly. In the prior art, the ratchet wheel inside the ratchet wheel assembly is set as a single ratchet wheel structure, and different positions on the single ratchet wheel structure can be engaged with the pawls respectively, which can realize the switching between the half lock position and the full lock position of the door lock.

Please refer to FIG. 1, an automobile door lock meshing structure, including a pawl assembly and a ratchet assembly, the pawl assembly includes a pawl 1, a pawl shaft 2, the pawl shaft 2 is fixedly arranged on the base plate of the door lock, and the pawl 1 Rotationally arranged on the pawl shaft 2 . The ratchet assembly includes a double ratchet wheel and a ratchet wheel shaft 3, the ratchet wheel shaft 3 is fixedly arranged on the base plate of the door lock, the double ratchet wheel is rotatably arranged on the ratchet wheel shaft 3, and the double ratchet wheel always has a tendency to rotate on the ratchet wheel shaft 3, so that the pawl Can engage and lock with ratchet.

Please refer to FIG. 1 and FIG. 2, the double ratchet wheel includes a full locking ratchet wheel 6 and a half locking ratchet wheel 7. The double ratchet wheel can rotate under the action of the lock catch 8, and under the action of the lock catch 8, the double ratchet wheel and the pawl have a half lock position and full lock position, when the double ratchet is in the half lock position, the half lock ratchet 7 engages with the pawl 1; when the double ratchet is in the full lock position, the full lock ratchet 6 engages with the pawl 1, and when the double ratchet is in the full lock position When in the half-lock position, the lock catch 8 can make the half-lock ratchet 7 rotate relative to the full-lock ratchet 6 . A notch 602 is formed on the side of the full-lock ratchet 6 near the lock catch 8 to provide a rotation margin of the half-lock ratchet 7 relative to the full-lock ratchet in the full-lock position. When the full locking ratchet 6 is engaged with the pawl 1, the lock only drives the half locking ratchet 7 to rotate, thereby reducing the collision between the locking ratchet and the pawl and the false triggering of the pawl signal switch when the door shakes.

When the ratchet assembly is in the fully locked state, the lock catch 8 abuts against the half-locked ratchet 7 . The full-lock ratchet 6 is engaged with the pawl 1, and the pawl 1 restricts the full-lock ratchet 6 to be in a latched state, so that it can no longer be reset and rotated.

When the full-lock ratchet 6 and the pawl 1 are engaged, the ratchet assembly is in an over-travel state due to the shaking of the lock 8, that is, under the influence of the door shaking, the shaking of the lock 8 only drives the half-lock ratchet 7 Shaking, the half-locking ratchet 7 and the full-locking ratchet 6 are rotated out of position, without affecting the engagement state of the lower part of the full-locking ratchet 6 and the pawl 1, thereby reducing the impact of door shaking on the locking status of the ratchet assembly and reducing the rotation of the ratchet. At the same time, since the lock 8 only affects the rotation of the half-lock ratchet 7, it does not affect the opening and closing state of the pawl, thereby reducing the false triggering of the pawl signal switch.

Under the influence of the shaking of the door, the shaking of the lock catch 8 only drives the shaking of the half-locking ratchet 7, and does not affect the engaging state of the lower part of the full-locking ratchet 6 and the pawl 1, thereby reducing the impact of the shaking of the door on the locking status of the ratchet assembly. At the same time, since the lock 8 only affects the rotation of the half-locked ratchet 7, it does not affect the opening and closing state of the pawl, thereby reducing the error of the pawl signal switch. trigger.

Please refer to FIGS. 1 and 4 , a linkage assembly is provided between the full-lock ratchet 6 and the half-lock ratchet 7 , so that the lock can drive the full-lock ratchet 6 and the half-lock ratchet 7 to rotate at the same time. The linkage assembly includes a limit pin 5, the limit pin 5 is fixedly arranged on the side of the full-lock ratchet 6 close to the half-lock ratchet 7, and the half-lock ratchet 7 is provided with a long sliding hole 501 matching the limit pin 5. , when the full-locking ratchet 6 is in the full-locking position, the long sliding hole 501 enables the lock catch 8 to continue to drive the half-locking ratchet 7 to rotate relative to the full-locking ratchet 6 .

Please refer to FIG. 4 and FIG. 5 , the end of the full-lock ratchet 6 close to the pawl 1 is provided with a full-lock block 601 , and the full-lock ratchet 6 engages with the pawl 1 through the full-lock block 601 ; the half-lock ratchet 7 is provided with a half-locking blocking block 701 near one end of the pawl 1 , and the half-locking ratchet 7 is engaged with the pawl 1 through the half-locking blocking block 701 . When the door lock is switched between the half-lock position and the full-lock position, one of the half-lock ratchet wheel 7 and the full-lock position ratchet wheel 6 on the double ratchets is always kept engaged with the pawl 1, thereby reducing the interference of the pawl to the other. The influence of the ratchet on one side avoids the situation that the pawl 1 is engaged with the half-lock ratchet 7 and the full-lock ratchet 6 at the same time, which affects the switching between the half-lock state and the full-lock state of the car lock.

The sides of the full locking ratchet 6 and the half locking ratchet 7 which are close to each other are set as smooth surfaces. The full-lock ratchet 6 and the half-lock ratchet 7 are adjacently arranged on the ratchet shaft 3, and maintain the abutment state of the full-lock ratchet 6 and the half-lock ratchet 7, reducing the size of the full-lock ratchet 6 and the half-lock ratchet. 7, thereby reducing the influence on the full-locking ratchet 6 when the lock catch 8 drives the half-locking ratchet 7 to rotate.

Please refer to FIG. 5 , the ratchet shaft 3 is provided with a torsion spring 4, one end of the torsion spring 4 is fixedly connected with the ratchet shaft 3, and the other end of the torsion spring is in contact with the full locking ratchet 6 and the half locking ratchet 7, so that the double ratchet has turning trend. Under the pulling force of the torsion spring 4, the ratchet assembly and the pawl 1 can be kept in an engaged state all the time, and at the same time, the lock catch 8 can be retracted and ejected easily, and after the lock catch 8 is retracted, the double ratchet can be reset to the unlocked state, which is convenient for subsequent Perform re-locking.

Please refer to FIG. 2 and FIG. 3 , the surfaces of the parts where the pawl 1 engages with the full-locking ratchet 6 and the half-locking ratchet 7 are fixedly provided with plastic wrapping structures. The overmolded structure on the meshing contact surface reduces the friction during meshing collision, and further reduces the collision sound between the ratchet and the pawl.

The present invention also provides an automobile, comprising the above-mentioned automobile door lock engaging structure.

When the door lock is locked, the lock catch 8 is snapped into the lock groove of the ratchet assembly, and during the continuous movement of the lock catch 8, the lock catch 8 pushes the half-locking ratchet 7 to rotate, and at the same time, in the limit of the linkage assembly The position pin 5 drives the lower full-locking ratchet 6 to rotate, so that the half-locking ratchet 7 rotates to the position where the middle part is engaged with the pawl 1, completing the transition from the unlocking position to the half-locking position, the lock 8 continues to move, and drives the half-locking position The ratchet wheel 7 and the full locking ratchet wheel 6 simultaneously rotate to the meshing position of the full locking ratchet wheel 6 and the pawl 1, and then turn to the full locking position. It only drives the half-locking ratchet 7 to shake, while the full-locking ratchet 6 remains engaged with the pawl 1, which reduces the situation that the ratchet rotates and the pawl is disengaged and the abnormal sound is generated by knocking, and at the same time reduces the impact of the single ratchet after meshing. The push of the lock catch causes the false triggering of the pawl signal switch, which improves the safety of the door lock.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. An automobile door lock engaging structure is characterized in that, comprising: A ratchet assembly, the ratchet assembly includes a ratchet (1) and a ratchet shaft (2), the ratchet shaft (2) is fixedly arranged, and the ratchet (1) is rotatably arranged on the ratchet shaft (2) superior; Ratchet assembly, the ratchet assembly includes a double ratchet wheel and a ratchet wheel shaft (3), the ratchet wheel shaft (3) is fixedly arranged, the double ratchet wheel is rotatably arranged on the ratchet wheel shaft (3), and the double ratchet wheel is on the ratchet wheel shaft (3). 3) There is always a tendency to rotate, and the double ratchets include a full-lock ratchet (6) and a half-lock ratchet (7). The double ratchets can rotate simultaneously under the action of the lock. Under the action, the double ratchet and the pawl have a half-lock position and a full-lock position. When the double ratchet is in the half-lock position, the half-lock ratchet (7) and the pawl (1) engaging; when the double ratchet wheel is in the full lock position, the full lock position ratchet wheel (6) is engaged with the pawl (1), and when the double ratchet wheel is in the full lock position, the full lock position ratchet wheel (6) is engaged with the pawl (1). The lock can make the half-locking ratchet rotate relative to the full-locking ratchet. 2. The engaging structure of an automobile door lock according to claim 1, wherein a notch (602) is provided on the side of the full-lock ratchet (6) close to the lock catch (8) to provide The rotation allowance of the half-locking ratchet (7) relative to the full-locking ratchet in the full-locking position. 3. An automobile door lock meshing structure according to claim 1, characterized in that, a linkage assembly is provided between the full-lock ratchet (6) and the half-lock ratchet (7) to make the lock catch The full-locking ratchet (6) and the half-locking ratchet (7) can be driven to rotate at the same time. 4. An automobile door lock meshing structure according to claim 3, wherein the linkage assembly comprises a limit pin (5), and the limit pin (5) is fixedly arranged on the full-lock ratchet (6). ) on the side close to the half-locking ratchet (7), the half-locking ratchet (7) is provided with a long sliding hole (501) matching the limit pin (5). In the full-lock position, the long sliding hole enables the lock catch to continue to drive the half-lock ratchet to rotate relative to the full-lock ratchet. 5. An automobile door lock meshing structure according to claim 1, characterized in that, a full-lock block (601) is provided on the side of the full-lock ratchet (6) close to the pawl (1), so The full locking ratchet (6) is engaged with the pawl (1) through the full locking blocking block (601). 6 . The engaging structure of an automobile door lock according to claim 1 , wherein the half-locking ratchet (7) is provided with a half-locking block (701) near one end of the pawl (1). 7 . The half-locking ratchet (7) engages with the pawl (1) through the half-locking block (701). 7 . The meshing structure of an automobile door lock according to claim 1 , wherein the full-locking ratchet (6) and the half-locking ratchet (7) are arranged as smooth surfaces on one side close to each other. 8 . 8. An automobile door lock meshing structure according to claim 1, wherein a torsion spring (4) is provided on the ratchet shaft (3), and one end of the torsion spring (4) is connected to the ratchet shaft (3). ) is fixedly connected, and the other end of the torsion spring is in contact with the full locking ratchet (6) and the half locking ratchet (7), so that the double ratchet has a tendency to rotate. 9 . The engagement structure of an automobile door lock according to claim 1 , wherein the surface of the part where the pawl ( 1 ) is in meshing contact with the full locking ratchet (6) and the half locking ratchet (7) All are fixed with plastic wrapping structure. 10. An automobile, characterized by comprising the automobile door lock engaging structure according to any one of claims 1-9.

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