CN209874769U

CN209874769U - Automatic door lock actuator

Info

Publication number: CN209874769U
Application number: CN201920373401.XU
Authority: CN
Inventors: 陈子宜
Original assignee: Zhejiang Shilian Automobile Door System Co Ltd
Current assignee: Zhejiang Shilian Automobile Door System Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-31
Anticipated expiration: 2029-03-22

Abstract

The utility model provides an automatic door lock actuator, which relates to the field of automobile locks and comprises a driving rod, a sliding sleeve, a sliding block, a transmission mechanism and a motor, wherein the motor is connected with the sliding block through the transmission mechanism so as to drive the sliding block to reciprocate along a first direction; an arc inclined plane is arranged on the sliding block; the actuating lever is installed in the sliding sleeve, and the one end of actuating lever is equipped with the wheel that rolls, and the wheel that rolls supports on the arc inclined plane of sliding block, and under the drive of sliding block, the actuating lever is along second direction reciprocating motion in the sliding sleeve, and the other end of actuating lever is equipped with the hasp, and the hasp is used for connecting and is used for placeeing to the locked groove in, realizes opening and locking of lock. The utility model provides an automatic door lock actuator, which can control the driving rod to move at a variable speed by setting the shape of the arc inclined plane, so that the driving rod is close to the lock groove at a higher speed to ensure the response sensitivity; when the lock groove is about to be contacted, the contact is realized at a lower speed so as to reduce the loss of parts and reduce noise.

Description

Automatic door lock actuator

Technical Field

The utility model belongs to the technical field of the auto lock and specifically relates to an automatic lock executor is related to.

Background

The door lock actuator is an automobile part and has the basic working principle that the output end of the actuator reciprocates under the driving of a power mechanism, and the reciprocating motion is utilized to finally realize locking/unlocking action. In the prior art, the movement speed of the output end of the actuator is constant, and there is a contradiction in setting the speed: if the speed is too high, a large impact force is generated when the robot moves to the tail end of the stroke, so that not only are parts seriously damaged, but also a large noise is generated; if the speed is too slow, the action reaction is slow. Therefore, the prior art lacks a device which can reduce the impact force on the basis of ensuring the response sensitivity, further reduce the damage of parts and reduce the noise.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the technical problem that exists among the above-mentioned prior art, the utility model aims to provide a through automatic lock executor, this automatic lock executor's actuating lever can variable speed motion, can be on guaranteeing the sensitive basis of reaction, reduces the impact force.

The utility model provides an automatic door lock actuator, which comprises a driving rod, a sliding sleeve, a sliding block, a transmission mechanism and a motor, wherein the motor is connected with the sliding block through the transmission mechanism so as to drive the sliding block to reciprocate along a first direction; an arc-shaped inclined plane is arranged on the sliding block; the driving rod is installed in the sliding sleeve, one end of the driving rod is provided with a rolling wheel, the rolling wheel abuts against the arc-shaped inclined plane of the sliding block, the driving rod reciprocates along the second direction in the sliding sleeve under the driving of the sliding block, the other end of the driving rod is provided with a lock catch, and the lock catch is used for being connected and used for being inserted into the lock groove, so that the door lock is opened and locked.

In the above technical solution, further, the inclination state of the arc-shaped slope is changed from the first end to the second end in a manner of steepness before slowness, and when the sliding block moves along the direction from the first end to the second end, the lock catch moves in a direction close to the lock groove.

In the above technical solution, further, the transmission mechanism includes a motor gear, a turbine, a driving gear, a driven gear and a rack, the motor gear is mounted on an output shaft of the motor, the turbine is engaged with the motor gear, the driving gear is coaxially and fixedly connected with the turbine, the driven gear is engaged with the driving gear, the rack is engaged with the driven gear, and the rack is fixedly connected with the sliding block.

In the above technical scheme, further, the slip cap is equipped with spacing roof, be equipped with the shaft shoulder structure on the actuating lever, be equipped with the spring between spacing roof and shaft shoulder, make the one end of actuating lever support on the arc inclined plane of sliding block at the effort of spring.

Compared with the prior art, the automatic door lock actuator provided by the utility model has the advantages that the motor drives the sliding block to move at a constant speed along a first direction through the transmission mechanism; the arc-shaped inclined plane on the sliding block acts on the bottom end of the driving rod to enable the driving rod to move along the second direction, and the driving rod can be controlled to move at a variable speed by setting the shape of the arc-shaped inclined plane, so that the driving rod approaches to the lock groove at a higher speed to ensure the response sensitivity; when the lock groove is about to be contacted, the contact is realized at a lower speed so as to reduce the loss of parts and reduce noise. In addition, the transmission mode is also beneficial to arrangement of all parts in the actuator, and the space is fully utilized.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic door lock actuator according to some embodiments of the present invention.

Reference numerals:

1-a drive rod; 2-a sliding sleeve; 3-a sliding block; 4-a transmission mechanism; 5, a motor; 6-a spring; 11-a rolling wheel; 12-locking and buckling; 21-a limit top plate; 31-arc inclined plane; 32-a first end; 33-a second end; 41-motor gear; 42-a turbine; 43-a drive gear; 44-a driven gear; 45-rack.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides an automatic door lock actuator, which includes a driving rod 1, a sliding sleeve 2, a sliding block 3, a transmission mechanism 4 and a motor 5, wherein the motor 5 is connected to the sliding block 3 through the transmission mechanism 4 to drive the sliding block 3 to reciprocate along a first direction; an arc inclined plane 31 is arranged on the sliding block 3; the actuating lever 1 is installed in sliding sleeve 2, and the one end of actuating lever 1 is equipped with the wheel 11 that rolls, and the wheel 11 that rolls supports on the arc inclined plane 31 of sliding block 3, under the drive of sliding block 3, actuating lever 1 is along second direction reciprocating motion in sliding sleeve 2, and the other end of actuating lever 1 is equipped with hasp 12, and hasp 12 is used for connecting and is used for placeeing to the locked groove in, realizes opening and locking of lock.

For example, the shape of the arc-shaped slope 31 is designed as follows: the inclination is changed from the first end 32 to the second end 33 in a manner of steep first and then gentle second, and when the sliding block 3 moves along the first end 32 to the second end 33, the lock catch 12 moves to approach the lock groove.

In the automatic door lock actuator provided by the embodiment, the motor 5 drives the sliding block 3 to move at a constant speed along the first direction through the transmission mechanism 4; the arc-shaped inclined plane 31 on the sliding block 3 acts on the bottom end of the driving rod 1 to enable the driving rod 1 to move along the second direction, and the driving rod 1 can be controlled to move at a variable speed by setting the shape of the arc-shaped inclined plane 31, so that the driving rod 1 approaches to the lock groove at a higher speed to ensure the response sensitivity; when the lock groove is about to be contacted, the contact is realized at a lower speed so as to reduce the impact force between the parts, reduce the loss and reduce the noise. In addition, the transmission mode is also beneficial to arrangement of all parts in the actuator, and the space is fully utilized.

In some embodiments, the transmission mechanism 4 includes a motor gear 41, a turbine 42, a driving gear 43, a driven gear 44 and a rack 45, the motor gear 41 is mounted on the output shaft of the motor 5 to rotate with the output shaft; the turbine 42 is engaged with the motor gear 41 and is driven by the motor gear 41; the driving gear 43 is coaxially and fixedly connected with the turbine 42, and the turbine 42 rotates to drive the driving gear 43 to rotate together; the driven gear 44 is meshed with the driving gear 43, the rack 45 is meshed with the driven gear 44, the driven gear 44 drives the rack 45 to translate, and the rack 45 is fixedly connected with the sliding block 3.

Of course, this is only some embodiments of the transmission mechanism 4 of the present invention, the transmission mechanism 4 of the present invention can also be other structures as long as it can drive the sliding block 3 to translate.

In the above technical solution, further, the sliding sleeve 2 is provided with a limit top plate 21, the driving rod 1 is provided with a shoulder structure, a spring 6 is arranged between the limit top plate 21 and the shoulder, and one end of the driving rod 1 is abutted to the arc-shaped inclined surface 31 of the sliding block 3 under the acting force of the spring 6.

The spring 6 ensures that the rolling wheel 11 of the driving rod 1 always acts on the arc-shaped inclined surface 31 of the sliding block 3, and the driving rod 1 can be driven by the arc-shaped inclined surface 31 no matter whether the driving rod 1 is vertically arranged or horizontally arranged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An automatic door lock actuator is characterized by comprising a driving rod, a sliding sleeve, a sliding block, a transmission mechanism and a motor, wherein the motor is connected with the sliding block through the transmission mechanism so as to drive the sliding block to reciprocate along a first direction; an arc-shaped inclined plane is arranged on the sliding block; the driving rod is installed in the sliding sleeve, one end of the driving rod is provided with a rolling wheel, the rolling wheel abuts against the arc-shaped inclined plane of the sliding block, the driving rod reciprocates along the second direction in the sliding sleeve under the driving of the sliding block, the other end of the driving rod is provided with a lock catch, and the lock catch is used for being connected and used for being inserted into the lock groove, so that the door lock is opened and locked.

2. The automatic door lock actuator of claim 1, wherein the arcuate ramp slopes in a first steep and then gentle manner from the first end toward the second end, and wherein the slider moves in a direction to approach the lock slot when the slider moves in a direction from the first end toward the second end.

3. The automatic door lock actuator according to claim 1, wherein the transmission mechanism includes a motor gear, a worm gear, a driving gear, a driven gear, and a rack, the motor gear is mounted on an output shaft of the motor, the worm gear is engaged with the motor gear, the driving gear is coaxially and fixedly connected with the worm gear, the driven gear is engaged with the driving gear, the rack is engaged with the driven gear, and the rack is fixedly connected with the sliding block.

4. The automatic door lock actuator according to claim 1, wherein the sliding sleeve is provided with a limit top plate, the driving rod is provided with a shoulder structure, a spring is arranged between the limit top plate and the shoulder, and one end of the driving rod is abutted against the arc-shaped inclined surface of the sliding block under the action of the spring.