CN110528974B

CN110528974B - Door lock limit control system and automobile

Info

Publication number: CN110528974B
Application number: CN201910795756.2A
Authority: CN
Inventors: 戴进; 罗梓林; 唐伟航
Original assignee: Guangdong Dongjian Automobile Technology Co Ltd
Current assignee: Guangdong Dongjian Automobile Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2021-03-30
Anticipated expiration: 2039-08-27
Also published as: CN110528974A

Abstract

The invention relates to a door lock limit control system and an automobile, comprising: the fixing seat is provided with an accommodating concave part which is used for accommodating the spring bolt, and the spring bolt can move in the accommodating concave part; the driving mechanism is arranged on the fixed seat; the limiting part comprises a clearance part and a blocking part, the limiting part is in driving connection with the driving mechanism and can move relative to the fixed seat, so that the clearance part can enter the accommodating concave part and allow the lock tongue to move in the accommodating concave part, or the blocking part can enter the accommodating concave part and limit the lock tongue to move in the accommodating concave part. The operation actuating mechanism moves and drives the locating part to move synchronously, the blocking part moves to enter the accommodating concave part, and the blocking part can block the spring bolt to limit the moving freedom degree of the spring bolt at the moment, so that the spring bolt can not be pulled even if the pull wire is pulled, the spring bolt is kept in a locking state with the lock catch, the safety capacity of the lock is improved, and potential safety hazards such as cargo loss caused by accidental opening of the lock are prevented.

Description

Door lock limit control system and automobile

Technical Field

The invention relates to the technical field of vehicle door locks, in particular to a door lock limit control system and a vehicle.

Background

At present, locks on trunk doors such as pickup trucks, trucks and the like are usually in a mechanical transmission structure, namely, by pulling a lock tongue, the lock tongue is separated from lock catch constraint, and the trunk door can be turned over to be opened; when the bolt and the lock catch are aligned again, the bolt can be automatically inserted into the lock catch under the action of the elastic force of the spring to lock the trunk door.

However, the traditional mechanical lock structure is very easy to cause the bolt to automatically separate from the lock catch due to severe vibration generated in the driving process of the vehicle, and the cargo is lost due to the opening of the trunk door; or, when the vehicle was parked, the child of not skilled in the world pulled out the spring bolt from the hasp in playing the mistake, leaded to the trunk door to open by accident, made the goods in the danger of being stolen, these all can lead to the tool to lock security protection ability on the trunk door poor, had very big potential safety hazard.

Disclosure of Invention

Based on this, it is necessary to provide a lock limit control system and car, aims at solving the problem that the easy unexpected open of prior art tool to lock causes the potential safety hazard, security protection ability poor.

The technical scheme is as follows:

in one aspect, the present application provides a door lock limit control system, which includes:

the control device is in communication connection with the remote control device;

the refrigerator door is provided with a lock tongue and a pulling device in driving connection with the lock tongue, and the pulling device is electrically connected with the control device; and

the limiting executing device comprises a fixed seat, a driving mechanism and a limiting part, wherein the fixed seat is provided with an accommodating concave part, the accommodating concave part is used for accommodating the spring bolt, the spring bolt can move in the accommodating concave part, the driving mechanism is arranged on the fixed seat and is electrically connected with the control device, the limiting part comprises a space avoiding part and a blocking part, and the limiting part is in driving connection with the driving mechanism and can move relative to the fixed seat, so that the space avoiding part can enter the accommodating concave part and allow the spring bolt to move in the accommodating concave part, or the blocking part can enter the accommodating concave part and can limit the spring bolt to move in the accommodating concave part.

The door lock limiting control system is applied to the automobile trunk door and used for being assembled with a lock on the trunk door, so that when the lock locking state needs to be guaranteed, the lock is not easy to open, and potential safety hazards are caused. Specifically, when the limit executing device is used, the fixed seat of the limit executing device is installed on the trunk door, and the lock tongue of the lock can extend into the concave accommodating part formed by the fixed seat and can move in the concave accommodating part (realized by pulling or releasing a pull wire connected with the lock tongue); the pulling device is arranged on the vehicle body and connected with the lock tongue, so that the lock tongue can be pulled. Actuating mechanism installs on the fixing base and is connected with the locating part drive for keep away on the locating part portion or the stop part can choose to get into in the holding recess, thereby can form following scheme: when the locking state of the lock needs to be ensured and the lock is prevented from being opened accidentally, an operator can remotely control the remote control device to send a locking signal to the control device, the control device outputs a locking command to the driving mechanism, the driving mechanism acts and synchronously drives the limiting part to move at the moment, the blocking part moves into the accommodating concave part and can block the lock tongue to limit the moving freedom degree of the lock tongue, and therefore, even if the stay wire is pulled by external force, the lock tongue cannot be pulled, the lock tongue keeps the locking state with the lock catch, the safety capability of the lock is improved, and potential safety hazards of cargo loss and the like caused by accidental opening of the lock are prevented. In addition, when the lockset needs to be opened, only the remote control device needs to be controlled again to send an unlocking signal to the control device, the control device firstly outputs an unlocking instruction to the driving mechanism, the driving mechanism drives the limiting part to move again to enable the space avoiding part to move into the accommodating concave part, the space avoiding part and the lock tongue are avoided to be separated and not to block the lock tongue to move, then the control device drives the pulling device to work, the pulling device pulls the lock tongue to move, the lock tongue is separated from the lock catch to be restrained to realize the unlocking of the lockset, and the trunk door can be opened smoothly.

The technical solution of the present application is further described below:

in one embodiment, the remote control device comprises a lock closing key, an unlock key and a signal transmitter which is in triggering fit with the lock closing key and the unlock key respectively, the control device comprises a lock closing execution unit, an unlock execution unit, a signal receiver and a controller, the lock closing execution unit and the unlock execution unit are electrically connected with the signal receiver respectively, the signal receiver is electrically connected with the controller, the signal transmitter is also in communication connection with the signal receiver, and the controller is also electrically connected with the pulling device and the driving mechanism respectively.

In one embodiment, the pulling device comprises a power piece, a pulling buckle in driving connection with the power piece, and a pulling wire connected with the pulling buckle, wherein the pulling wire is connected with the lock tongue; the pulling device also comprises a mounting bracket which is arranged on the trunk door and is provided with a concave part, a carrier plate which is arranged on a notch of the concave part, and a spring which is abutted between the bottom wall of the concave part and the carrier plate, wherein the spring is connected with the lock tongue; the bottom wall of the concave part and the support plate are provided with mounting through holes, and the lock tongue is inserted into the two mounting through holes and can move relative to the fixed seat.

In one embodiment, the driving mechanism includes a housing, a driving member disposed on the housing, and a telescopic transmission assembly drivingly connected to the driving member, and the telescopic transmission assembly is connected to the limiting member.

In one embodiment, the driving member is a rotating electrical machine, the telescopic transmission assembly includes a screw rod connected to a power shaft of the rotating electrical machine, a slider screwed to the screw rod, and a driving rod connected to the slider, and the driving rod is connected to the limiting member.

In one embodiment, the limiting part further comprises an installation part, the installation part is provided with an installation hole, the end part of the driving rod extending out of the shell seat is provided with a connecting piece, and the connecting piece is inserted into the installation hole to connect the driving rod with the limiting part.

In one embodiment, the fixing seat comprises a matching plate, and the matching plate is formed with the accommodating recess; the matching plate is provided with a guide hole communicated with the accommodating concave part, and the blocking part is inserted in the guide hole and can slide in a reciprocating manner relative to the fixed seat.

In one embodiment, the matching plate is further provided with a through hole communicated with the accommodating concave part, and the clearance part is inserted into the through hole and can slide in a reciprocating manner relative to the fixed seat.

In one embodiment, one end of the blocking part, which is far away from the space avoiding part, is provided with a protrusion, and the protrusion can be abutted against the matching plate; and a leading-in part is further arranged at one end, far away from the space avoiding part, of the blocking part.

In addition, the application also provides an automobile which comprises the door lock limit control system.

Drawings

Fig. 1 is a schematic structural diagram of a position limiting actuator according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of a limit actuating device, a pulling device and a lock tongue according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the limiting element in FIG. 1;

fig. 4 is a schematic structural view of the fixing base in fig. 1.

Description of reference numerals:

10. a fixed seat; 11. an accommodating recess; 12. a mating plate; 121. a guide hole; 122. a via hole; 13. a first mounting plate; 14. a second mounting plate; 15. a fixing plate; 16. assembling the through hole; 20. a drive mechanism; 21. a housing base; 22. a drive rod; 30. a limiting member; 31. an evacuation section; 32. a blocking portion; 321. an introduction section; 33. an installation part; 331. mounting holes; 40. a connecting member; 50. a latch bolt; 60. a pull wire; 70. mounting a bracket; 80. a carrier plate; 90. a spring; 100. and (6) pulling the button.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to," "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

The application provides an automobile, and the automobile can be van, pick up car etc. for example, and the commonality of these categorised cars lies in all having the boot door, and the boot door is part of automobile body rear portion packing box, and the boot door can cooperate with the exit of packing box body promptly, realizes closing or opening the packing box.

In the basic scheme, a lockset is installed on the cargo box, namely a bolt 50 is installed on a tail box door, a lock catch is installed on a cargo box body, and the bolt 50 and the lock catch are locked or separated. In order to avoid the situation that the lock tongue 50 is accidentally pulled or separated from the lock catch due to vibration when the lock tongue 50 needs to be kept in a reliable locking state, the scheme avoids the problem by additionally arranging a door lock limiting control system on the lock tongue 50.

As shown in fig. 1 to 3, a door lock limit control system according to an embodiment of the present invention includes: remote control unit, controlling means, boot door, pulling device and spacing final controlling element. Wherein the control device is in communication connection with a remote control device; the tail box door is provided with a bolt 50 and a pulling device in driving connection with the bolt 50, and the pulling device is electrically connected with the control device; the limiting executing device comprises a fixed seat 10, a driving mechanism 20 and a limiting member 30. The mounting bracket 10 is used to carry and mount the driving mechanism 20 and the limiting member 30, both of which are integrated into the trunk door and engaged with the latch tongue 50. The driving mechanism 20 can drive the position-limiting member 30 to move so as to position the lock tongue 50 immovably or to move the lock tongue 50 freely.

Specifically, the fixing seat 10 is provided with an accommodating recess 11, the accommodating recess 11 is used for accommodating the bolt 50, and the bolt 50 can move in the accommodating recess 11; the driving mechanism 20 is arranged on the fixed seat 10 and electrically connected with the control device; the limiting member 30 includes an escape portion 31 and a blocking portion 32, and the limiting member 30 is connected to the driving mechanism 20 in a driving manner and can move relative to the fixing base 10, so that the escape portion 31 can enter the accommodating recess 11 and allow the lock tongue 50 to move in the accommodating recess 11, or the blocking portion 32 can enter the accommodating recess 11 and limit the lock tongue 50 to move in the accommodating recess 11.

By implementing the scheme of the invention, at least the following technical effects can be achieved: the door lock limiting control system is applied to the automobile trunk door and used for being assembled with a lock on the trunk door, so that when the lock locking state needs to be guaranteed, the lock is not easy to open, and potential safety hazards are caused. Specifically, when the limit executing device is used, the fixed seat 10 of the limit executing device is installed on the trunk door, and the accommodating concave part 11 formed by the fixed seat 10 can enable the bolt 50 of the lock to extend into the accommodating concave part and move in the accommodating concave part 11 (by pulling or releasing the pull wire 60 connected with the bolt 50); the pulling means is mounted on the vehicle body and connected with the latch bolt 50 so that the latch bolt 50 can be pulled. The driving mechanism 20 is installed on the fixing base 10 and is in driving connection with the limiting member 30, so that the clearance portion 31 or the blocking portion 32 on the limiting member 30 can alternatively enter the accommodating recess 11, thereby forming the following scheme: when the locking state of the lock needs to be ensured and the lock is prevented from being opened accidentally, an operator can remotely control the remote control device to send a lock closing signal to the control device, the control device outputs a lock closing instruction to the driving mechanism 20, at the moment, the driving mechanism 20 acts and synchronously drives the limiting part 30 to move, so that the blocking part 32 moves into the accommodating concave part 11, and at the moment, the blocking part 32 can block the lock tongue 50 to limit the moving freedom degree of the lock tongue 50, therefore, even if the pull wire 60 is pulled by external force, the lock tongue 50 cannot be pulled, the lock tongue 50 keeps the locking state with the lock catch, the safety capability of the lock is improved, and potential safety hazards such as cargo loss caused by the lock being opened accidentally. In addition, when the lock needs to be opened, only the remote control device needs to be operated again to send an unlocking signal to the control device, the control device firstly outputs an unlocking instruction to the driving mechanism 20, the driving mechanism 20 drives the limiting piece 30 to move again, so that the space avoiding portion 31 moves into the accommodating concave portion 11, the space avoiding portion 31 and the lock tongue 50 avoid to move without blocking the lock tongue 50 to move, then the control device drives the pulling device to work, the pulling device pulls the lock tongue 50 to move, the lock tongue 50 is separated from the lock catch constraint to realize lock unlocking, and the trunk door can be opened smoothly.

In one embodiment, the remote control device comprises a lock closing key, an unlock key and a signal transmitter which is in triggering fit with the lock closing key and the unlock key respectively, the control device comprises a lock closing execution unit, an unlock execution unit, a signal receiver and a controller, the lock closing execution unit and the unlock execution unit are electrically connected with the signal receiver respectively, the signal receiver is electrically connected with the controller, the signal transmitter is also in communication connection with the signal receiver, and the controller is also electrically connected with the pulling device and the driving mechanism respectively. Therefore, according to the use requirement, a user can transmit a locking signal to the controller by pressing the locking button, the controller outputs a locking instruction to the driving mechanism 20, the driving mechanism 20 acts to drive the limiting part 30 to move so that the blocking part 32 moves into the accommodating concave part 11 to block the lock tongue 50, and therefore the lock tongue 50 can be firmly locked with the lock catch, and cannot be accidentally moved to unlock due to pulling of external force, and the safety and reliability of the lock are guaranteed. Similarly, when the user presses the unlocking key, the unlocking signal is transmitted to the controller, the controller outputs an unlocking instruction to the driving mechanism 20, the driving mechanism 20 operates again to drive the limiting member 30 to move, so that the clearance portion 31 moves into the accommodating recess 11, and the clearance portion 31 does not interfere with the lock tongue 50; meanwhile, the controller also outputs a command to drive the pulling device to work, the pulling device pulls the bolt 50 to move so as to be separated from locking with the lock catch, and the trunk door can be normally opened.

Above-mentioned remote control realizes closing the technical scheme of lock and unblock, is guaranteeing tool to lock closure reliability, when improving tool to lock security protection performance, makes the closing lock of tool to lock more laborsaving, high-efficient, convenient with the unblock operation, is favorable to further promoting work efficiency and user and uses the experience and feel.

It will be appreciated that the above-described remote control and control devices may be constructed and operate in any manner known in the art for achieving the same or similar technical objectives. For example, in a remote control elevator, the elevator realizes an ascending movement by pressing an ascending button on a handle (in this case, by pressing a locking button, the driving mechanism 20 drives the limiting member 30 to move so that the blocking portion 32 enters the accommodating recess 11); when the descending button on the handle is pressed, the elevator can move downwards (in this case, when the unlocking button is pressed, the driving mechanism 20 drives the limiting member 30 to move in the opposite direction, so that the clearance portion 31 replaces the blocking portion 32 and enters the accommodating recess 11). The handle is provided with a controller, and the controller is used for identifying the input pressing signal and outputting a corresponding action command like the controller in the case. The only difference is that the handle in a remote controlled lift is typically communicatively connected to the lift by a cable; the signal of the scheme realizes wireless signal transmission through the signal transmitter and the signal receiver, is not limited by working occasion conditions and the like, and has stronger use performance.

Of course, in other embodiments, the pulling mechanism may be omitted and movement of the actuation tongue 50 may be effected by manual operation by the operator, i.e., by manually pulling the cable 60. The remote control device and the control device can also be connected in a wired manner.

Referring to fig. 1, in an embodiment, the driving mechanism 20 includes a housing base 21, a driving member disposed on the housing base 21, and a telescopic transmission assembly in driving connection with the driving member, and the telescopic transmission assembly is connected with the limiting member 30. Thus, the driving member and the telescopic transmission assembly are fixed and mounted on the trunk door together by the shell base 21, the driving member outputs power to drive the telescopic transmission assembly to move, so that the telescopic transmission assembly can perform telescopic reciprocating linear movement, and further drive the limiting member 30 to move relative to the fixed base 10, and accordingly the clearance portion 31 is moved into the accommodating concave portion 11 or the blocking portion 32 is moved into the accommodating concave portion 11 according to different use conditions of the trunk door.

On the basis of the above embodiment, in a specific embodiment, the driving member is a rotating electrical machine, the telescopic transmission assembly includes a screw rod connected to a power shaft of the rotating electrical machine, a slider screwed on the screw rod, and a driving rod 22 connected to the slider, and the driving rod 22 is connected to the limiting member 30. Therefore, when the rotating motor rotates forwards, the screw rod is driven to rotate forwards synchronously, and the sliding block can move towards the direction close to the accommodating concave part 11 along the screw rod through the structural characteristic of the thread pair; then, the slider drives the driving rod 22 to drive the limiting piece 30 to synchronously move close to the accommodating concave part 11, so that the clearance part 31 enters the accommodating concave part 11, and at the moment, the bolt 50 is not blocked and restricted by the limiting piece 30, so that the lock can be normally unlocked; on the contrary, when the motor rotates reversely, the slider moves reversely along the screw rod, and then drives the driving rod 22 and the limiting part 30 to move towards the direction away from the accommodating concave part 11, so that the blocking part 32 can enter the accommodating concave part 11 to block and limit the lock tongue 50, the lock tongue 50 is constrained in the lock catch, even if an external force acts on the lock tongue 50, the lock cannot be unlocked accidentally, and the locking reliability and the safety capability of the lock can be enhanced.

It will be appreciated that the screw-nut mechanism formed by the screw and the slider can be replaced by a rack-and-pinion mechanism or other means known in the art.

Or, in other embodiments, as an alternative, the driving member is a linear motor, the telescopic transmission assembly includes a driving rod 22, the linear motor is connected to the driving rod 22, and the driving rod 22 is connected to the limiting member 30; or the driving part is a linear cylinder, the telescopic transmission assembly comprises a driving rod 22, the linear cylinder is connected with the driving rod 22, and the driving rod 22 is connected with the limiting part 30. Therefore, the limit piece 30 can be driven to reciprocate in the accommodating concave part 11 by outputting telescopic linear power through the linear motor and the linear cylinder, so that the clearance part 31 and the blocking part 32 alternately enter the accommodating concave part 11, and the limit restraint (keeping a locked state) on the lock tongue 50 or the normal unlocking of the lock tongue 50 is realized. The switching mechanism is simple in structure composition, the limiting part 30 is high in action response speed, and the use experience is improved.

With reference to fig. 1 and fig. 3, in order to reliably connect the limiting member 30 and the driving rod 22, in an embodiment, the limiting member 30 further includes an installation portion 33, the installation portion 33 is provided with an installation hole 331, an end portion of the driving rod 22 extending out of the housing base 21 is provided with a connecting member 40, and the connecting member 40 is inserted into the installation hole 331 to connect the driving rod 22 and the limiting member 30. The connecting member 40 is pre-assembled and fixed to the end of the driving rod 22, and the limiting member 30 can be connected and fixed to the driving rod 22 by inserting the connecting member 40 into the mounting hole 331 during installation. Optionally, the connecting member 40 is a bolt assembly, and when the connecting member is installed, the bolt passes through the installation hole 331 and then is locked with the nut, so that the limiting member 30 and the driving rod 22 can be locked and fixed.

Of course, in other embodiments, the limiting member 30 and the driving rod 22 may also adopt any one of the mature connection technical means in the prior art, such as a snap connection, a magnetic attraction connection, and a riveting connection.

In the present embodiment, the limiting member 30 is substantially a zigzag plate; one horizontal plate of the Z-shaped plate forms a blocking portion 32, and the vertical plate and the other horizontal plate form an inwardly concave step structure, thereby forming a clearance portion 31, wherein the size of the clearance portion 31 is larger than the width of the latch bolt 50, so that the movement path of the latch bolt 50 is not blocked when the clearance portion 31 is located in the accommodating recess 11. The mounting portion 33 is integrally connected to a side portion of a horizontal plate near one end of the driving mechanism 20 and perpendicular to the horizontal plate, so that when the mounting portion 33 is connected to an end portion of the driving rod 22, the driving rod 22 does not interfere with the limiting member 30, and the limiting member 30 is smoothly connected to the driving rod 22.

Referring to fig. 1 and 4, in an embodiment, the fixing base 10 includes a first mounting plate 13, a matching plate 12, a second mounting plate 14 and a fixing plate 15, the first mounting plate 13 and the second mounting plate 14 are respectively connected to two opposite sides of the matching plate 12, and both are L-shaped, and the short plate edge is provided with an assembly through hole 16, and can be connected and fixed with the trunk door through a bolt assembly, so that the limit executing device is assembled and connected to the trunk door. The fixing plate 15 is integrally connected to one side of the principle matching plate 12 of the second mounting plate 14, and a plurality of through holes are formed in the fixing plate for locking connection with the housing seat 21, so that the driving mechanism 20 and the fixing seat 10 are fixedly connected. The matching plate 12 is formed with the accommodating recess 11, and the matching plate 12 is U-shaped in this embodiment; a guide hole 121 communicated with the accommodating concave portion 11 is formed in a vertical plate section on one side of the matching plate 12, and the blocking portion 32 is inserted into the guide hole 121 and can slide in a reciprocating manner relative to the fixed seat 10. Therefore, the hole wall of the guide hole 121 can play a role in guiding the telescopic movement of the blocking part 32, so that the limiting part can move stably; in addition, the guide hole 121 is rigidly matched with the blocking portion 32, so that the connection strength between the limiting member 30 and the fixing base 10 can be improved to a certain degree, and the limiting member 30 is reliably matched with the lock tongue 50.

Referring to fig. 3, in an embodiment, an end of the blocking portion 32 away from the clearance portion 31 is further provided with a guiding portion 321. The guiding portion 321 is a chamfer or fillet structure, so that when the limiting member 30 is initially assembled with the fixing seat 10, the blocking portion 32 can more easily penetrate into the guide hole 121, the assembly difficulty is reduced, and the assembly efficiency of the limiting execution device is improved. Furthermore, the end of the blocking portion 32 remote from the escape portion 31 is provided with a projection which can abut against the mating plate 12; the width of the protrusion is larger than the diameter of the guide hole 121, so that the blocking portion 32 is prevented from being separated from the guide hole 121 and failing to work normally when moving telescopically.

Referring to fig. 4, in addition, the matching board 12 is further provided with a through hole 122 communicated with the accommodating recess 11, the through hole 122 is formed in the bottom board and the other vertical board of the U-shaped matching board 12, and the clearance portion 31 is inserted into the through hole 122 and can slide to and fro relative to the fixing base 10. The clearance portion 31 can penetrate through the through hole 122 and extend into the receiving recess 11, and the blocking portion 32 can penetrate into the guiding hole 121, so that the limiting member 30 and the fixing base 10 can be smoothly and reliably assembled.

As shown in fig. 2, it shows the schematic view of the fitting structure of the position-limiting actuator, the pulling device and the lock tongue 50 of the lock. The pulling device comprises a power part, a pull buckle 100 in driving connection with the power part, and a pull wire 60 connected with the pull buckle 100, wherein the pull wire 60 is connected with the lock tongue 50; the pulling device further comprises a mounting bracket 70 which is arranged on the trunk door and is provided with a concave part, a carrier plate 80 which is arranged on a notch of the concave part, and a spring 90 which is abutted between the bottom wall of the concave part and the carrier plate 80, wherein the spring 90 is connected with the bolt 50; the bottom wall of the concave part and the carrier plate 80 are both provided with mounting through holes, and the lock tongue 50 is inserted into the two mounting through holes and can move relative to the fixed seat 10. The power part can be a cylinder, or a motor plus a cam mechanism, or a motor plus a lead screw nut mechanism and the like, and can output linear reciprocating power to the pull wire. The power part pulls the pull wire 60 to synchronously pull the bolt 50 to move in the mounting through hole, the bolt 50 can compress the spring 90 to separate from locking with the lock catch, or after the pulling force applied to the pull wire 60 from the outside disappears, the spring 90 resets to drive the bolt 50 to move and reset, and the bolt 50 and the lock catch are locked again.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A door lock limit control system, comprising:

2. The door lock limit control system according to claim 1, wherein the remote control device comprises a lock closing button, an unlock button, and a signal transmitter which is in triggering fit with the lock closing button and the unlock button, respectively, the control device comprises a lock closing execution unit, an unlock execution unit, a signal receiver and a controller, the lock closing execution unit and the unlock execution unit are electrically connected with the signal receiver, respectively, the signal receiver is electrically connected with the controller, the signal transmitter is further in communication connection with the signal receiver, and the controller is further electrically connected with the pulling device and the driving mechanism, respectively.

3. The door lock limit control system according to claim 2, wherein the pulling device comprises a power member, a pull buckle in driving connection with the power member, and a pull wire connected with the pull buckle, the pull wire being connected with the lock tongue; the pulling device also comprises a mounting bracket which is arranged on the trunk door and is provided with a concave part, a carrier plate which is arranged on a notch of the concave part, and a spring which is abutted between the bottom wall of the concave part and the carrier plate, wherein the spring is connected with the lock tongue; the bottom wall of the concave part and the support plate are provided with mounting through holes, and the lock tongue is inserted into the two mounting through holes and can move relative to the fixed seat.

4. The door lock limit control system according to claim 2 or 3, wherein the driving mechanism comprises a housing, a driving member disposed on the housing, and a telescopic transmission assembly drivingly connected to the driving member, and the telescopic transmission assembly is connected to the limiting member.

5. The door lock limit control system according to claim 4, wherein the driving member is a rotating motor, the telescopic transmission assembly includes a screw connected to a power shaft of the rotating motor, a slider screwed to the screw, and a driving rod connected to the slider, and the driving rod is connected to the limit member.

6. The door lock limit control system according to claim 5, wherein the limit member further comprises an installation portion, the installation portion is provided with an installation hole, the end portion of the driving rod extending out of the housing seat is provided with a connecting piece, and the connecting piece is inserted into the installation hole to connect the driving rod with the limit member.

7. The door lock position limit control system of claim 6, wherein the fixing seat includes a mating plate formed with the receiving recess; the matching plate is provided with a guide hole communicated with the accommodating concave part, and the blocking part is inserted in the guide hole and can slide in a reciprocating manner relative to the fixed seat.

8. The door lock limit control system according to claim 7, wherein the mating plate is further provided with a through hole communicated with the accommodating recess, and the clearance portion is inserted into the through hole and can slide in a reciprocating manner relative to the fixing seat.

9. The door lock limit control system according to claim 7, wherein a protrusion is provided at an end of the blocking portion away from the clearance portion, and the protrusion can abut against the mating plate; and a leading-in part is further arranged at one end, far away from the space avoiding part, of the blocking part.

10. An automobile, characterized in that it comprises a door lock limit control system according to any one of the preceding claims 1 to 9.