阅读说明：本技术 一种车用尾门锁及汽车 (Automobile-used tail door lock and car ) 是由 吕全介 朱述华 王永健 于 2020-04-27 设计创作，主要内容包括：本发明公开了一种车用尾门锁及汽车,包括锁舌和锁体总成；锁舌包括用于连接到车体的安装部和用于插入锁体总成的锁舌轴销；锁舌轴销上设有凹槽；锁体总成包括锁体、锁止压板、锁止件、压板弹簧、回位弹簧和电磁感应线圈；锁止压板位于中空腔体的内部,压板弹簧和回位弹簧的一端位于中空腔体的底部；压板弹簧的另一端用于抵住锁止压板；回位弹簧的另一端用于抵住锁舌轴销的头部；锁止件用于陷入凹槽内,且紧贴于锁止压板与中空腔体的顶部以实现锁止；电磁感应线圈用于使锁止压板运动,从而使锁止件离开凹槽。本发明通过设置单独的锁舌和集成的锁体总成；利用电磁感应线圈的磁力实现开启车门时的弹起功能,整体装置结构简单、维修方便、且成本低。(The invention discloses a vehicle tail door lock and a vehicle, comprising a lock tongue and a lock body assembly; the bolt comprises a mounting part for connecting to the vehicle body and a bolt shaft pin for inserting into the lock body assembly; a groove is arranged on the bolt shaft pin; the lock body assembly comprises a lock body, a locking pressing plate, a locking piece, a pressing plate spring, a return spring and an electromagnetic induction coil; the locking pressure plate is positioned in the hollow cavity, and one ends of the pressure plate spring and the return spring are positioned at the bottom of the hollow cavity; the other end of the pressure plate spring is used for propping against the locking pressure plate; the other end of the return spring is used for propping against the head of the bolt shaft pin; the locking piece is used for sinking into the groove and clings to the top of the locking pressure plate and the top of the hollow cavity body to realize locking; the electromagnetic induction coil is used for enabling the locking pressure plate to move, and therefore the locking piece is separated from the groove. The invention sets a single bolt and an integrated lock body assembly; the magnetic force of the electromagnetic induction coil is utilized to realize the bouncing function when the vehicle door is opened, and the whole device has the advantages of simple structure, convenient maintenance and low cost.)

1. A vehicle tail door lock is characterized by comprising a lock tongue and a lock body assembly;

the bolt comprises a mounting part for connecting to a vehicle body and a bolt shaft pin for inserting the lock body assembly; a groove is formed on the bolt shaft pin;

the lock body assembly comprises a lock body, a locking pressing plate, a locking piece, a pressing plate spring, a return spring and an electromagnetic induction coil;

the lock body comprises a hollow cavity and a lock tongue hole communicated with the hollow cavity, and the lock tongue hole is used for enabling the lock tongue shaft pin to pass through;

the locking pressure plate is positioned in the hollow cavity, and a pressure plate hole for the bolt shaft pin to pass through is formed in the locking pressure plate;

one end of the pressure plate spring and one end of the return spring are positioned at the bottom of the hollow cavity; the other end of the pressure plate spring is used for propping against the locking pressure plate; the other end of the return spring is used for propping against the head of the bolt shaft pin;

the locking piece is arranged between the upper part of the locking pressure plate and the upper inner wall of the hollow cavity, is sunk into the groove and is tightly attached to the top of the locking pressure plate and the top of the hollow cavity to realize locking;

the electromagnetic induction coil is used for enabling the locking pressure plate to move towards the bottom of the hollow cavity, so that the locking piece leaves the groove.

2. The tailgate lock for vehicles, according to claim 1, wherein: the bottom of the hollow cavity is provided with a rubber pad.

3. The tailgate lock for vehicles, according to claim 1, wherein: the electromagnetic induction coil is arranged on the lock body and on one side opposite to the lock tongue hole.

4. The tailgate lock for vehicles, according to claim 1, wherein: the groove is a full circle arc-shaped groove surrounding the bolt shaft pin.

5. The tailgate lock for vehicles, according to claim 4, wherein: the locking piece is a locking ball, and the radius of the locking ball is matched with that of the arc-shaped groove.

6. The tailgate lock for vehicles, according to claim 1, wherein: the locking pressure plate is a magnet or has magnetizability.

7. The tailgate lock for vehicles, according to claim 6, wherein: the locking piece is a magnet or has magnetizability.

8. The tailgate lock for vehicles, according to claim 1, wherein: the return spring is located inside the pressure plate spring.

9. The tailgate lock for vehicles, according to claim 1, wherein: the bolt shaft pin is a cylinder with a conical head, and the bolt hole and the pressing plate hole are matched with the cylinder; the lock tongue hole and the pressing plate hole have the same hole diameter.

10. A vehicle, characterized in that the tailgate lock for a vehicle according to any one of claims 1 to 9 is applied.

Technical Field

The invention relates to the technical field of automobile parts, in particular to a tail door lock for an automobile and the automobile.

Background

As is well known, the main function of a tail gate lock of an automobile is to lock the door and to perform the opening and locking functions through the internal structure. The automobile tail door lock has an important protection function, a driver can conveniently open and close the back door or the trunk, and an anti-theft effect can be achieved. The existing automobile tail door lock mainly comprises two types, one type is a mechanical tail door lock, the tail door lock is unlocked by an unlocking handle or a remote control key, the structure is complex, the number of parts is large, and the production and use cost is high. The other type is an electric tail door lock which is controlled by a POT switch and a controller, a servo motor and an electric control system are added on the basis of the original mechanical tail door lock, and a release plate is driven to shift leftwards or rightwards by a worm and a worm wheel after the motor is electrified so as to drive a release lever and a pawl which are arranged in a base and are coaxial to rotate, so that the constraint on a ratchet wheel is relieved, the tail door lock is opened, the complexity and the weight of the structure are increased, and the cost is high; the driving of the mechanical tail door lock comprises the following two steps: one is in the form of a traditional lock catch and a lock pin, the lock pin is controlled to be opened and closed through an electromagnet, the automobile tail door lock in the form has no bounce function, and the situation of looseness can occur between the lock catch and the lock pin when the whole automobile is assembled; the other type is that the lock body is inserted into a magnetic force generated by the iron lock rod in the electrified state of the electromagnet, a vibrator and a buzzer are additionally arranged in the lock body, and anti-theft control is realized under the action of a single chip microcomputer.

Disclosure of Invention

Aiming at the technical problems in the background art, the invention provides the automobile tail door lock which utilizes electromagnetic induction to control the opening and closing of the automobile door lock and has the advantages of good reliability, simple structure, light weight and low maintenance cost.

The invention is realized by the following technical scheme:

a vehicle tail door lock is characterized by comprising a lock tongue and a lock body assembly;

the bolt comprises a mounting part for connecting to a vehicle body and a bolt shaft pin for inserting the lock body assembly; a groove is formed on the bolt shaft pin; the lock body assembly comprises a lock body, a locking pressing plate, a locking piece, a pressing plate spring, a return spring and an electromagnetic induction coil; the lock body comprises a hollow cavity and a lock tongue hole communicated with the hollow cavity, and the lock tongue hole is used for enabling the lock tongue shaft pin to pass through; the locking pressure plate is positioned in the hollow cavity, and a pressure plate hole for the bolt shaft pin to pass through is formed in the locking pressure plate; one end of the pressure plate spring and one end of the return spring are positioned at the bottom of the hollow cavity; the other end of the pressure plate spring is used for propping against the locking pressure plate; the other end of the return spring is used for propping against the head of the bolt shaft pin; the locking piece is arranged between the locking pressure plate and the upper inner wall of the hollow cavity, is used for sinking into the groove and is tightly attached to the locking pressure plate and the top of the hollow cavity to realize locking;

the electromagnetic induction coil is used for enabling the locking pressure plate to move towards the bottom of the hollow cavity, so that the locking piece leaves the groove.

Furthermore, a rubber pad is arranged at the bottom of the hollow cavity.

Furthermore, the electromagnetic induction coil is arranged on the lock body and on the side opposite to the bolt hole.

Further, the groove is a full circle arc-shaped groove surrounding the bolt shaft pin.

Further, the locking piece is a locking ball, and the radius of the locking ball is matched with that of the arc-shaped groove.

Further, the locking pressure plate is a magnet or has magnetizability.

Further, the locking piece is a magnet or has magnetizability.

Further, the return spring is located inside the pressure plate spring.

Furthermore, the bolt shaft pin is a cylinder with a conical head, and the bolt hole and the pressing plate hole are matched with the cylinder; the lock tongue hole and the pressing plate hole have the same hole diameter.

The invention also provides an automobile, and the automobile tail door lock is applied to any one of the automobile tail door locks.

By adopting the technical scheme, the automobile tail door lock disclosed by the invention has the following beneficial effects: the invention relates to a vehicle tail door lock, which comprises a lock tongue and a lock body assembly, wherein the lock tongue is provided with an installation part used for being connected to a vehicle body and a lock tongue shaft pin used for being inserted into the lock body assembly; a groove is arranged on the bolt shaft pin; the lock body assembly comprises a lock body, a locking pressing plate, a locking piece, a pressing plate spring, a return spring and an electromagnetic induction coil; the lock body comprises a hollow cavity and a lock tongue hole communicated with the hollow cavity, the locking pressing plate is positioned in the hollow cavity, and a pressing plate hole is formed in the locking pressing plate; one end of the pressure plate spring and one end of the return spring are positioned at the bottom of the hollow cavity; the other end of the pressure plate spring is used for propping against the locking pressure plate; the other end of the return spring is used for propping against the head of the bolt shaft pin; the locking piece is arranged between the locking pressing plate and the upper inner wall of the hollow cavity. During the locking process of the vehicle tail door lock, the spring bolt shaft pin sequentially penetrates through the spring bolt hole and the pressing plate hole and partially enters the hollow cavity, the locking piece is scattered to the periphery in the inserting process of the spring bolt shaft pin, the head of the spring bolt shaft pin supports against the return spring and applies pressure to the return spring, and the locking piece sinks into the groove under the pressure action of the locking pressing plate and the return spring until the groove of the spring bolt shaft pin is in place; in the opening process of automobile-used tail gate lock, electromagnetic induction coil circular telegram, under electromagnetic induction coil's magnetic force effect, the direction motion of locking clamp plate to the cavity bottom, the locking piece has obtained the removal space, moves to the direction of both sides and cavity body bottom under the extrusion force effect of spring bolt pivot and gravity and/or magnetic force effect, leaves the recess, and the spring bolt pivot leaves the lock body assembly under return spring's elasticity effect, and automobile-used tail gate lock is opened. The invention sets a single bolt and an integrated lock body assembly; the magnetic force of the electromagnetic induction coil is utilized to realize the bouncing function when the vehicle door is opened, and the whole device has the advantages of simple structure, convenient maintenance and low cost.

Drawings

Fig. 1 is a schematic structural view of a rear door lock for a vehicle according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

in the figure, 1-bolt, 11-installation part, 12-bolt shaft pin, 121-groove, 2-lock body assembly, 21-lock body, 22-locking pressing plate, 23-locking piece, 24-pressing plate spring, 25-return spring, 26-magnetic induction coil, 211-hollow cavity, 212-bolt hole, 213-rubber pad and 221-pressing plate hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and fig. 2, a rear door lock for a vehicle according to an embodiment of the present invention includes a bolt 1 and a lock body assembly 2; the bolt 1 comprises a mounting part 11 for connecting to a vehicle body and a bolt shaft pin 12 for inserting the lock body assembly 2; a groove 121 is formed in the bolt shaft pin 12; the lock body assembly 2 comprises a lock body 21, a locking pressing plate 22, a locking piece 23, a pressing plate spring 24, a return spring 25 and an electromagnetic induction coil 26; the lock body 21 comprises a hollow cavity 211 and a bolt hole 212 communicated with the hollow cavity 211, wherein the bolt hole 212 is used for allowing the bolt shaft pin 12 to pass through; the locking pressure plate 22 is located inside the hollow cavity 211, and a pressure plate hole 221 for allowing the bolt shaft pin 12 to pass through is formed in the locking pressure plate 22; one ends of the pressure plate spring 24 and the return spring 25 are positioned at the bottom of the hollow cavity 211; the other end of the pressure plate spring 24 is used for propping against the locking pressure plate 22; the other end of the return spring 25 is used for propping against the head of the bolt pin 12; the locking piece 23 is arranged between the upper part of the locking pressure plate 22 and the upper inner wall of the hollow cavity 211, and the locking piece 23 is used for sinking into the groove 121 and clings to the top parts of the locking pressure plate 22 and the hollow cavity 211 to realize locking; the electromagnetic coil 26 is used to move the locking pressure plate 22 toward the bottom of the hollow cavity 211, so that the locking member 23 is separated from the groove 121.

In the locking process of the vehicle tail door lock, the bolt shaft pin 12 sequentially penetrates through the bolt hole 212 and the pressing plate hole 221 and partially enters the hollow cavity 211, the locking piece 23 is scattered around in the inserting process of the bolt shaft pin 12, the head of the bolt shaft pin 12 props against the return spring 25 and applies pressure to the return spring 25 until the position of the bolt shaft pin 12 moves to the position that the locking piece 23 can sink into the groove 121, at the moment, under the action of the pressing plate spring 24, the two side surfaces of the locking piece 23 are respectively attached to the top of the locking pressing plate 22 and the top of the hollow cavity 211, and one end of the locking piece is sunk into the groove 121 of the bolt shaft pin 12 and cannot move, so that locking is realized; in the opening process of the automobile tail door lock, the electromagnetic induction coil 26 is electrified, under the magnetic action of the electromagnetic induction coil 26, the locking pressing plate 22 moves towards the bottom of the hollow cavity 211, the locking piece 23 obtains a moving space, under the action of the extrusion force of the bolt shaft pin 12 and the action of gravity and/or magnetic force, the bolt shaft pin 12 moves towards the bottom of the hollow cavity 211 from two sides and the middle cavity, the bolt shaft pin leaves the groove 121, the bolt shaft pin 12 leaves the lock body assembly 2 under the action of the elastic force of the return spring 25, and the automobile tail door lock is opened. The embodiment of the invention is characterized in that an independent bolt 1 and an integrated lock body assembly 2 are arranged; the magnetic force of the electromagnetic induction coil 26 is utilized to realize the bouncing function when the vehicle door is opened, and the whole device has simple structure, convenient maintenance and low cost.

In another embodiment of the present invention, a rubber pad 213 is disposed at the bottom of the hollow cavity 211.

In another embodiment of the present invention, the electromagnetic coil 26 is disposed on the lock body on a side opposite to the bolt hole 212.

In another embodiment of the present invention, in order to quickly disperse the locking member 23 to the periphery without causing jamming when the latch bolt shaft pin 12 is inserted into the lock body assembly 2, the groove 121 is a circular arc-shaped groove 121 surrounding the latch bolt shaft pin 12. The locking piece 23 is a locking ball, and the radius of the locking ball is matched with that of the arc-shaped groove 121.

In another embodiment of the present invention, the locking pressure plate 22 is a magnet or has magnetizability. The locking member 23 is a magnet or has magnetizability.

In another embodiment of the present invention, the return spring 25 is located inside the platen spring 24.

In another embodiment of the present invention, the latch bolt shaft pin 12 is a cylinder with a tapered head, and the latch bolt hole 212 and the pressing plate hole 221 are matched with the cylinder; the latch hole 212 and the press plate hole 221 have the same hole diameter.

The present invention will be described in more detail below with reference to a specific embodiment based on the above examples.

As shown in fig. 1 and 2, the rear door lock for a vehicle according to the present embodiment includes a bolt 1 and a lock body assembly 2; the bolt 1 comprises an installation part 11 and a bolt shaft pin 12, wherein the bolt shaft pin 12 is a cylinder with a conical head; the mounting part 11 is used for connecting with a vehicle body, and the bolt shaft pin 12 is provided with a whole circle of arc-shaped grooves 121; the lock body assembly 2 comprises a lock body 21, a locking pressing plate 22, a locking piece 23, a pressing plate spring 24, a return spring 25 and an electromagnetic induction coil 26; the lock body 21 comprises a hollow cavity 211 and a bolt hole 212 communicated with the hollow cavity 211, and the shape of the bolt hole 212 is matched with that of the bolt shaft pin 12; the locking pressure plate 22 is a magnet or has magnetizability, and is located inside the hollow cavity 211, and a pressure plate hole 221 is formed in the locking pressure plate 22; the shape of the pressing plate hole 221 is matched with the shape of the bolt shaft pin 12; the latch hole 212 and the platen hole 221 have the same hole diameter. The return spring 25 is positioned inside the pressure plate spring 24, and the two springs work independently and do not interfere with each other; one ends of the pressure plate spring 24 and the return spring 25 are positioned at the bottom of the hollow cavity 211; the bottom of the hollow cavity 211 is provided with a rubber pad 213 playing a role of buffering; the other end of the pressure plate spring 24 is propped against the locking pressure plate 22; when the bolt pin 12 is inserted into the lock body assembly 2, the other end of the return spring 25 props against the head of the bolt pin 12; the locking piece 23 is a magnet or has magnetizability, and is arranged between the upper part of the locking pressure plate 22 and the upper inner wall of the hollow cavity 211; the locking piece 23 is a locking ball which has a radius close to that of the groove 121, the number of the locking balls can be several, and the number of the locking balls is not limited by the invention; the electromagnetic induction coil 26 is arranged on the lock body and on the side opposite to the bolt hole 212; when the electromagnetic coil 26 is energized, the locking pressure plate 22 and the locking ball move toward the bottom of the hollow cavity 211, so that the locking piece 23 leaves the groove 121.

In the locking process of the vehicle tail door lock, the bolt shaft pin 12 sequentially penetrates through the bolt hole 212 and the pressing plate hole 221 and partially enters the hollow cavity 211, in the inserting process of the bolt shaft pin 12, a locking ball is scattered around, the head of the bolt shaft pin 12 props against the return spring 25 and applies pressure to the return spring 25 until the position of the bolt shaft pin 12 moves to the position where the locking ball can sink into the groove 121, at the moment, under the action of the pressing plate spring 24, the surfaces of two sides of the locking ball cling to the tops of the locking pressing plate 22 and the hollow cavity 211 respectively, and one end of the locking ball sinks into the groove 121 of the bolt shaft pin 12 and cannot move, so that locking is realized; in the opening process of automobile-used tail-gate lock, electromagnetic induction coil 26 circular telegram, under electromagnetic induction coil 26's magnetic force effect, locking clamp plate 22 and locking ball move to the direction of cavity 211 bottom, the locking ball has obtained the removal space, under the extrusion force effect of spring bolt pivot 12 and gravity and magnetic force effect down to the direction removal of both sides and cavity 211 bottom, leave recess 121, spring bolt pivot 12 leaves lock body assembly 2 under return spring 25's elasticity effect, automobile-used tail-gate lock is opened. The embodiment of the invention is characterized in that an independent bolt 1 and an integrated lock body assembly 2 are arranged; the magnetic force of the electromagnetic induction coil 26 is utilized to realize the bouncing function when the vehicle door is opened, and the whole device has simple structure, convenient maintenance and low cost.

The automobile tail door lock related to the embodiment and the implementation mode of the invention can simplify the installation mode and is convenient to assemble and replace; the appearance is not influenced, the structure is simple, and the hidden arrangement can be realized; the cost is lower, the after-sale maintenance and replacement are convenient, and the maintenance working hour and the use cost are saved; intelligent electric control can be realized according to a control strategy.

The embodiment of the invention also discloses an automobile, and the automobile tail door lock provided with any one of the embodiments.

While only two preferred embodiments of the present invention have been disclosed, it should be understood that the scope of the claims herein should not be limited by these embodiments, but should be determined by those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.