CN211313754U

CN211313754U - Emergency lock rod mechanism of automobile side door lock

Info

Publication number: CN211313754U
Application number: CN201922370746.2U
Authority: CN
Inventors: 刘玉会; 励凯亮; 邱遥杰
Original assignee: Ningbo City Yongbo Car Industry Co ltd
Current assignee: Ningbo City Yongbo Car Industry Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-21
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an urgent locking lever mechanism of car side door lock, including the cylindrical urgent locking lever body of normal running fit in a through-hole of casing, the interior terminal surface of urgent locking lever body is fixed the backplate axial spacing on the casing of car side door lock, the top of the outer circumference of urgent locking lever body is fixed with a protruding claw that is used for one-way striking the bumper bar of car side door lock, the protruding claw strikes the bumper bar of car side door lock and drives the clutch lever of car side door lock left and make the interior arm-tie of the latch mechanism of car side door lock and change-over plate break away, and then can not drive the pawl and rotate and unblank, the outer terminal surface of urgent locking lever has the recess that supplies the key to insert the rotation with one-way insurance; the middle part of the outer circumference of the emergency lock rod body is provided with a radial bulge for preventing abnormal sound. The emergency locking rod mechanism can also be used for ensuring safety when power is lost, and has relatively few parts forming the mechanism, strong working reliability and low noise.

Description

Emergency lock rod mechanism of automobile side door lock

Technical Field

The utility model relates to the technical field of auto-parts, specifically say an urgent locking lever mechanism of car side door lock.

Background

The side door lock of the prior art is a mature technology, and the mechanism for locking or unlocking the automobile is also mature, and generally comprises an electric locking mechanism driven by a motor and a worm gear, an internal locking mechanism operated in the automobile and also called an internal safety mechanism, and an external locking mechanism operated outside the automobile and driven by a key and also called an external locking mechanism. However, an emergency lock rod mechanism is not provided, and if the electric system of the automobile fails or a remote control battery is not powered, the safety in the automobile cannot be ensured, so that potential safety hazards exist. Some automobile side door lock industry is provided with an emergency lock rod mechanism, but the emergency lock rod mechanism of the automobile side door lock in the prior art still has the following defects: 1. the number of parts is relatively large, the size is relatively large, the occupied space is relatively large, the material cost is relatively high, the manual assembly cost is relatively increased, and the price competitive advantage of the product is not obvious. 2. Some parts are mutually connected or are too complicated, and the assembly is inconvenient; or they are easily disengaged from each other and the mechanism is not very reliable in operation. 3. Abnormal noise generally exists in the locking process, and noise is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an urgent locking lever mechanism of car side door lock that also can go up insurance when lacking of electricity, and constitute urgent locking lever mechanism spare part few relatively, urgent locking lever mechanism operational reliability is strong.

The technical solution of the utility model is, an urgent locking lever mechanism of car side door lock is provided, including the urgent locking lever body of columniform of normal running fit in a through-hole of casing, the interior terminal surface of urgent locking lever body is fixed the backplate axial on the casing of car side door lock spacing, the top of the outer circumference of urgent locking lever body is fixed with a cam that is used for one-way stirring car side door lock's bumper bar, the bumper bar that car side door lock was stirred to the cam drives the trip bar of car side door lock left and makes the change-over panel of the release mechanism of car side door lock throw off with the release board, and then can not drive the pawl rotation and unblank, the outer terminal surface of urgent locking lever has the recess that supplies the key to insert the rotation with one-way.

After the structure above the adoption, the utility model discloses car side door lock's urgent locking lever mechanism has following advantage: if the electric system of the automobile is in failure or the remote control battery is out of power, the automobile can still be provided with insurance, so that potential safety hazards are eliminated. The mechanism has the advantages of relatively few parts, relatively small volume, small occupied space, relatively low material cost, relatively reduced manual assembly cost and improved price competitive advantage of products. The emergency locking rod mechanism is simple and compact in structure, convenient to assemble, free of disengagement between parts and high in working reliability.

Furthermore, the middle part of the outer circumference of the emergency lock rod body is provided with a radial bulge for preventing abnormal sound. After the structure is adopted, abnormal sound cannot be generated in the locking process of the mechanism, and the noise generated when the side door lock works is effectively avoided.

Furthermore, the radial bulge is a triangular bulge, and the outer angle is an arc angle. After adopting above structure, both effectively avoided the noise, guaranteed urgent locking lever body pivoted flexibility and reliability again.

Furthermore, the convex claw is an arc-shaped convex claw, a groove is formed in the joint of the arc-shaped convex claw and the outer circumferential surface of the emergency lock rod body, and the shifting surface of the arc-shaped convex claw abuts against the surface, far away from the clutch lever of the automobile side door lock, of the shifting block of the bumper. After the structure is adopted, the one-way shifting structure of the mechanism is simpler and more reliable, and the operation is more convenient and faster.

Drawings

Fig. 1 is a schematic structural view of the emergency lock rod body of the present invention when it is mounted on the housing of the side door lock of the vehicle.

Fig. 2 is an exploded view of the emergency locking rod of the present invention connected to the housing and the safety rod.

Fig. 3 is a schematic perspective view of the emergency lock rod body according to the present invention.

Fig. 4 is a rear view of the emergency locking lever mechanism in the unsecured state.

Fig. 5 is a rear view of the emergency locking mechanism in the upper safety state according to the present invention.

Fig. 6 is a schematic view of a part of the structure of the release and safety mechanism of the side door lock of the automobile according to the safety state of the emergency locking lever mechanism of the present invention.

Fig. 7 is a schematic view of the components of fig. 6 assembled to the housing.

Fig. 8 is a schematic structural diagram of the pawl and the catch plate in the latch mechanism of the side door lock of the automobile according to the present invention, which are in the engaged state in the safety state of the emergency lock lever mechanism.

Shown in the figure: 1. the shell of the automobile side door lock comprises a shell, a back plate, a first locking rod body, a second locking rod body, a through hole, a first groove, a second groove, a third groove, a fourth groove, a fifth groove, a sixth groove, a fifth.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8:

the utility model discloses urgent locking lever mechanism of car side door lock, including the columniform urgent locking lever body 3 of normal running fit in a through-hole 4 of the casing 1 of car side door lock. The inner end face of the emergency lock rod body 3 is axially limited by a back plate 2 fixed on a shell 1 of the automobile side door lock. The top of the outer circumference of the emergency lock rod body 3 is fixed with a convex claw 6 for unidirectionally shifting a safety rod 5 of the automobile side door lock. The catch 6 moves the safety lever 5 to the left (to the right in the drawing, since the drawing is a rear view and in practice moves to the left in use) to drive the trip lever 11 of the side door lock of the vehicle to disengage the switching plate 10 of the release mechanism of the side door lock of the vehicle from the release plate 12 and thus to disable the pawl 14 from being rotated to unlock the lock. The outer end of the emergency locking rod body 3 is provided with a first groove 7 for the key to be inserted and rotated to be unidirectionally secured.

The middle part of the outer circumference of the emergency lock rod body 3 is provided with a radial bulge 8 for preventing abnormal sound. The radial bulge 8 is preferably a triangular bulge, and the outer angle is an arc angle.

The convex claw 6 is preferably an arc-shaped convex claw, a second groove 9 is arranged at the joint of the arc-shaped convex claw and the outer circumferential surface of the emergency lock rod body 3, and the design of the second groove enables the shifting part of the convex claw to be more prominent, so that the mechanical property during shifting is better. The toggle surface of the arc-shaped convex claw abuts against one surface of the toggle block 15 of the safety lever 5, which is far away from the clutch lever 11 of the automobile side door lock.

Under the condition of power shortage, such as power failure of an automobile or power failure of a remote control battery, the emergency lock rod mechanism can still realize the function of upper insurance, namely, a side door, such as a rear side door, can be locked even if power failure occurs when people need to leave.

Referring to fig. 5, fig. 6, fig. 7, fig. 8, the utility model discloses when urgent locking lever mechanism needs to be insured, can utilize the key to insert in the car and drive urgent locking lever body 3 clockwise rotation in first recess 7, stir bumper 5 and slide along the guide way of the protecgulum of car side lock left, at this in-process clutch lever 11 anticlockwise rotation under the torsional action of clutch lever torsional spring, clutch lever 11 constitutes the state that breaks away from with change-over plate 10 and is the state of insuring promptly. In this state, the switching board cannot toggle the clutch lever 11 and drive the release plate 12, i.e. the switching board 10 and the release plate 12 cannot drive the pawl 14 to rotate, and the locking board 13 cannot rotate under the acting force of the locking board torsion spring to open the side door lock, i.e. the side door lock cannot be opened.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an urgent locking lever mechanism of car side door lock which characterized in that: the emergency lock rod comprises a cylindrical emergency lock rod body (3) which is rotationally matched in a through hole (4) of a shell (1) of an automobile side door lock, the inner end face of the emergency lock rod body (3) is axially limited by a back plate (2) fixed on the shell (1) of the automobile side door lock, a convex claw (6) used for shifting a safety rod (5) of the automobile side door lock in a one-way mode is fixed at the top of the outer circumference of the emergency lock rod body (3), the convex claw (6) shifts the safety rod (5) to drive a clutch rod (11) of the automobile side door lock leftwards so that a conversion plate (10) of a release mechanism of the automobile side door lock is separated from a release plate (12) and further cannot drive a pawl (14) to rotate to unlock, and a first groove (7) for a key to be inserted into and rotate to achieve one-way safety is.

2. The emergency locking lever mechanism of the side door lock for the automobile according to claim 1, wherein: the middle part of the outer circumference of the emergency lock rod body (3) is provided with a radial bulge (8) for preventing abnormal sound.

3. The emergency locking lever mechanism of the side door lock for the automobile according to claim 2, wherein: the radial bulge (8) is a triangular bulge, and the outer angle is an arc angle.

4. The emergency locking lever mechanism of the side door lock for the automobile according to claim 1, wherein: the convex claw (6) is an arc-shaped convex claw, a second groove (9) is formed in the joint of the arc-shaped convex claw and the outer circumferential surface of the emergency lock rod body (3), and the shifting surface of the arc-shaped convex claw abuts against the surface, far away from a clutch lever (11) of the automobile side door lock, of a shifting block (15) of the safety lever (5).