Door locks for vehicles

Abstract

The present invention relates to a door lock for a vehicle, which strengthens a safety structure by improving a technology that may cause safety problems such as malfunctions according to the trend of vehicle parts toward electrical components to prevent a door from opening by blocking the pulling of an opening block when the safety block is in a locked position.

Description

Technical Field

[0001] The present invention relates to a door lock for a vehicle, which strengthens a safety structure by improving a technology that may cause safety problems such as malfunctions according to the trend of vehicle parts toward electrical components to prevent a door from opening by blocking the pulling of an opening block when the safety block is in a locked position. Background Art

[0002] The door lock is provided inside the vehicle door to perform locking and unlocking operations of the door and opening and closing operations of the door.

[0003] The door lock for a mechanical vehicle is arranged on the outside of the vehicle door. When a user inserts a vehicle key into a lock cylinder mechanically connected to the vehicle door lock and rotates the key, the locking and unlocking operations of the door lock can be performed.

[0004] A user may open a vehicle door by operating an outside handle or an inside handle provided on the vehicle door in an unlocked state of a door lock for a mechanical vehicle.

[0005] In contrast, door locks for electric vehicles can perform locking and unlocking operations by operating a door button inside the vehicle or controlling a vehicle system without using various mechanical devices required for door locks for mechanical vehicles.

[0006] Furthermore, in an unlocked state of a door lock for an electric vehicle, a user may open a door by pressing an electronic button provided outside or inside the vehicle.

[0007] A conventional door lock for a mechanical vehicle is disclosed in Korean Patent No. 10-2363862. In the "Vehicle Door Lock System with Safety Device" disclosed in Korean Patent No. 10-2363862, the safety plate is always connected only to the emergency cable, so the plate can be pulled open even in a locked state.

[0008] [Prior art literature]

[0009] [Patent Literature]

[0010] (Patent Document 1) Korean Patent No. 10-2363862 Summary of the invention

[0011]

Technical issues

[0012] It is an object of the present invention to solve the above-mentioned and other problems.

[0013] Another object of the present invention is to provide a door lock for a vehicle, which strengthens a safety structure for preventing the pulling of an opening block in a locked state of the safety block by improving a technology that may cause safety problems such as malfunctions according to the trend of vehicle parts toward electrical components.

[0014] Another object of the present invention is to provide a door lock for a vehicle, which can improve assembling ability by temporarily assembling and modularizing corresponding components to a main cover and an insert cover.

[0015] Another object of the present invention is to provide a door lock for a vehicle, which can reduce parts and costs by changing a cable of a door handle to a rod structure.

[0016]

Technical solution

[0017] To achieve the above and other purposes, in one aspect of the present invention, a door lock for a vehicle can be provided, which includes: a lock portion, which includes a ratchet and a pawl; a safety block; a safety actuator, which is configured to slide the safety block; an opening block, which is pulled by an outside door connector connected to an outside handle of the door; an opening lever, which is configured to pivot the pawl and open the closure of the ratchet by pulling the opening block; and an opening block pulling prevention portion, which is configured to prevent the pulling of the opening block based on the position of the safety block.

[0018]

Beneficial effects

[0019] The effects of the door lock for a vehicle according to the present invention are described below.

[0020] According to at least one embodiment of the present invention, except for special emergency situations, the opening block is not pulled when the safety block is in a locked state, thereby preventing the door from opening.

[0021] According to at least one embodiment of the present invention, assembling through modularization may be simple, and a space may be easily secured by temporarily assembling corresponding components to the insertion cover and mounting them on the main cover and the rear cover.

[0022] According to at least one embodiment of the present invention, parts and costs can be reduced by directly connecting the handle and the lock by changing the cable to a rod structure.

[0023] The additional scope of application of the present invention will become apparent from the detailed description given below. However, it should be understood that the detailed description and specific examples such as embodiments of the present invention are given by way of example only, because various modifications and variations within the spirit and scope of the present invention will become apparent to those skilled in the art. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 and Figure 2 1 is a perspective view showing a state in which a door lock for a vehicle according to an embodiment of the present invention is connected to a door flush handle when viewed from the outside and the inside of the vehicle.

[0025] Figure 3 and Figure 4 It is shown Figure 1 and Figure 2 A perspective view of a door lock for a vehicle from front and rear views.

[0026] Figure 5 and Figure 6 It is shown Figure 3 A front view and a rear view of a door lock for a vehicle are divided into a main cover, an insert cover and a rear cover.

[0027] Figure 7 It is shown from Figure 3 Front view of the main cover with the front plate removed.

[0028] Figure 8 , Fig. 9 , Fig.12 and Fig.15 are left-right perspective views showing the insertion cover, the safety actuator, and the opening actuator, respectively.

[0029] Fig.10 and Fig.11 are upper-lower perspective views showing the safety block and the opening block, respectively.

[0030] Fig.12 is a plan view showing that the safety motor and the opening motor are installed in the insertion cover.

[0031] Fig.13 and Fig.14 is a plan view showing that the safety block and the opening block are installed in the insertion cover.

[0032] Fig.15 is a plan view showing the safety actuator and the opening actuator and a rear perspective view of the tray.

[0033] Figures 16 to 18 The locked state of the safety block and the closed state of the door are shown.

[0034] Fig.19 and Fig. 20 The unlocked state of the safety block and the closed state of the door are shown.

[0035] Fig.21 and Fig. 22 It shows that due to Fig.19 and Fig. 20 The door is in an open state due to the operation of the opening actuator in the state.

[0036] Fig.23 and Fig.24 The pawl is shown in Fig.21 and Fig. 22 Returns in the state of .

[0037] Fig.25 and Fig.26It shows that due to Fig.19 and Fig. 20 The door is opened by pulling the outer rod in the state.

[0038] Fig. 27 and Fig.28 It shows that due to Fig.19 and Fig. 20 The door is opened due to the pulling of the inner cable in the state. DETAILED DESCRIPTION

[0039] Reference will now be made in detail to embodiments of the present invention, examples of which are shown in the accompanying drawings. Where possible, the same reference numerals will be used in all drawings to represent the same or similar parts. In general, suffixes such as "module" and "unit" may be used to represent elements or components. Such suffixes are used herein only for the convenience of describing the present invention, and the suffixes themselves are not intended to give any special meaning or function. It should be noted that if it is determined that the detailed description of known technologies may obscure the embodiments of the present invention, the detailed description of known technologies will be omitted. The accompanying drawings are used to help easily understand various technical features, and it should be understood that the embodiments presented herein are not limited by the accompanying drawings. Therefore, the present invention should be interpreted as extending to any changes, equivalents and substitutes other than those specifically set forth in the accompanying drawings.

[0040] Terms including ordinal numbers such as first, second, etc. may be used to describe various components, but these components are not limited by these terms. These terms are used only to distinguish one component from other components.

[0041] When any component is described as being "connected" or "coupled" to another component, this should be understood to mean that other components may exist between them, but any component may also be directly connected or coupled to another component. On the contrary, when any component is described as being "directly connected" or "directly coupled" to another component, this should be understood to mean that there is no component between them.

[0042] A singular expression may include a plural expression unless it has an apparently different meaning in the context.

[0043] In the present invention, the terms "including" and "having" should be understood as intending to indicate the existence of the described features, numbers, steps, operations, components, parts or their combinations and do not exclude the possibility of the existence of one or more different features, numbers, steps, operations, components, parts or their combinations or their addition.

[0044] In the drawings, the size of the components may be enlarged or reduced for convenience of explanation. For example, for convenience of explanation, the size and thickness of each component shown in the drawings are arbitrarily shown, and therefore the present invention is not limited thereto unless otherwise explicitly stated.

[0045] If any embodiment can be implemented differently, a specific process order can be performed differently from the described order. For example, two processes described in succession can be performed substantially simultaneously, or in the reverse order of the described order.

[0046] In the following embodiments, when layers, regions, components, etc. are connected, the following embodiments include both the case where the layers, regions, and components are directly connected and the case where the layers, regions, and components are indirectly connected via other layers, regions, and components interposed therebetween. For example, when layers, regions, components, etc. are electrically connected, the present invention includes both the case where the layers, regions, and components are directly electrically connected and the case where the layers, regions, and components are indirectly electrically connected via other layers, regions, and components interposed therebetween.

[0047] In a preferred embodiment of the present invention, the front-rear direction refers to the longitudinal direction of the vehicle, the up-down direction refers to the height direction of the vehicle, and the left-right direction refers to the width direction of the vehicle.

[0048] Reference Figure 1 and Figure 2 , the door lock 10 for a vehicle according to an embodiment of the present invention can be connected to the door flush handle 1. The door lock 10 for a vehicle can open the door using a touch sensor or a switch, etc., without installing the door flush handle 1 in the same manner as the related art. Therefore, the door lock 10 for a vehicle is applicable regardless of whether a door handle is present.

[0049] <Open connector 30>

[0050] Reference Figure 1 , Figure 2 and Fig.25 , the opening connector 30 may include an outer door connector 40. The outer door connector 40 may include an outer rod 41 that is pulled by pulling the outer handle 3. That is, one end of the outer rod 41 may be coupled to an outer opening rod 43 connected to the opening block 600, and the other end of the outer rod 41 may be connected to the door flush handle 1. The outer rod 41 directly connects the handle and the lock, which can be beneficial to reducing the number of components and reducing costs. A return spring 45 as a compression coil spring can be fastened to the outer peripheral surface of the outer opening rod 43. Therefore, the return spring 45 is installed between the insertion cover 200 and the opening block 600 and can elastically return the pulled opening block 600.

[0051] The opening connector 30 may include an inside door connector 50. The inside door connector 50 may include an emergency lever cable that is pulled by pulling a lever inside the inside door of the vehicle. A return spring 55 that is a compression coil spring may also be fastened to the outer peripheral surface of the emergency lever cable. Therefore, the return spring 55 is installed between the insertion cover 200 and the opening block 600 and can elastically return the pulled opening block 600.

[0052] <Housing 100>

[0053] Reference Figures 3 to 7 The door lock 10 for a vehicle according to the present embodiment may include a housing 100 forming an exterior. The housing 100 may include a main cover 110 as a first housing.

[0054] A first latch insertion groove 111 into which a latch (not shown) is inserted may be formed in the front surface of the main cover 110. The first latch insertion groove 111 may be formed as a deep groove with front and left sides opened.

[0055] A ratchet mounting groove 112 and a pawl mounting groove 113 pivotably mounting the ratchet 310 and the pawl 330 may be formed on the front surface of the main cover 110. The ratchet mounting groove 112 and the pawl mounting groove 113 may be formed to have a shallower depth than the first latch insertion groove 111.

[0056] Reference Fig.16 , a ratchet return spring 115 may be mounted on the front surface of the main cover 110. The ratchet return spring 115 may be a torsion spring. One end of the ratchet return spring 115 may be clamped on the ratchet 310, and the other end of the ratchet return spring 115 may be clamped on the main cover 110. In the same manner, a pawl return spring 117 as a torsion spring may be mounted on the front surface of the main cover 110. One end of the pawl return spring 117 may be clamped on the pawl 330, and the other end of the pawl return spring 117 may be clamped on the main cover 110.

[0057] Reference Figure 6 , the opening lever 700 may be rotatably mounted on the rear surface of the main cover 110. In addition, the tightening lever 2530 may be pivotally mounted on the rear surface of the main cover 110. The tightening actuator connecting cable 2520 may be mounted on the tightening lever 2530. The tightening lever 2530 is used to rotate the ratchet 310. The structure and function of the tightening lever 2530 refer to the prior art, and thus a detailed description thereof is omitted.

[0058] Reference Figure 3, the housing 100 may include a front plate 120 as a second housing. The front plate 120 may cover the front surface of the lock portion 300 of the main cover 110. A second lock buckle insertion groove 121 may also be formed in the front plate 120. The front side, the rear side, and the left side of the second lock buckle insertion groove 121 may be open to correspond to the first lock buckle insertion groove 111. The front plate 120 may be supported on the main cover 110 by the pivot 311 of the ratchet 310 and the pivot 331 of the pawl 330.

[0059] The housing 100 may include a rear cover 130 as a third housing. The rear cover 130 may be fastened to a rear surface of the main cover 110. A connector 131 may be formed on a rear side of the main cover 110.

[0060] <Insert cover 200>

[0061] Reference Figure 5 and Figure 6 , the door lock 10 for a vehicle according to the present embodiment may include an insertion cover 200. The insertion cover 200 may be assembled inside the main cover 110 and the rear cover 130. The insertion cover 200 may allow the corresponding components to be temporarily assembled and modularized.

[0062] Reference Figure 8 and Fig. 9 , the insertion cover 200 may include a plate-shaped base 210. The first receiving portion 211 and the third receiving portion 213 may be disposed in parallel at the rear and front of the base 210. Fig.13 As shown, the safety block 400 can be assembled in the first receiving portion 211 so that the safety block 400 can slide up and down. Fig.14 As shown, the opening block 600 can be assembled to the third receiving portion 213 so that the opening block 600 can slide up and down. Fig.15 As shown, a second accommodation portion 212 for assembling the safety actuator 500 may be formed on an upper side of the first accommodation portion 211. A fourth accommodation portion 214 for assembling the opening motor 910 may be formed on an upper side of the third accommodation portion 213. A fifth accommodation portion 215 may be formed between the second accommodation portion 212 and the fourth accommodation portion 214. The upper side portion 401 of the safety block 400 may be inserted into the fifth accommodation portion 215. Therefore, the safety block 400 may be guided to be slidable in the upper-lower longitudinal direction.

[0063] A support shaft 218 may be formed on the base 210. Fig.12 As shown, the support shaft 218 may be inserted so that the worm gear 930 and the disk 940 may rotate.

[0064] The front side of the base 210 may be inserted into the main cover 110 , and the rear side of the base 210 may be inserted into the rear cover 130 .

[0065] A leg stand 217 may be formed on the front lower side of the base 210. The leg stand 217 may be fastened and supported to the main cover 110 and may detect the ratchet 310.

[0066] <Lock section 300>

[0067] Reference Figure 7 , the door lock 10 for a vehicle according to the present embodiment may include a lock portion 300. The lock portion 300 may include a ratchet 310 and a pawl 330. The ratchet 310 is used to restrict or release the inserted lock buckle. The pawl 330 is used to maintain or open the closure of the ratchet 310. The structures and functions of the ratchet 310 and the pawl 330 refer to the prior art, and thus a detailed description thereof is omitted.

[0068] <Safety Block 400>

[0069] Reference Figures 8 to 11 , the door lock 10 for a vehicle according to the present embodiment may include a rod-shaped safety block 400. The safety block 400 may be accommodated in the first accommodation portion 211 and the fifth accommodation portion 215. A first step portion 402 may be formed on the safety block 400 to press the safety block position sensor 430. The first step portion 402 may be formed on the right side of the safety block 400. Therefore, if the recess 402a of the first step portion 402 is positioned on the safety block position sensor 430, the safety block 400 may be in a locked state (see Fig.18 ), and if the convex portion 402b of the first step portion 402 is positioned on the safety block position sensor 430, the safety block 400 may be in an unlocked state (see Fig. 20 ).

[0070] In addition, a second step portion 403 may be formed on the safety block 400. The second step portion 403 may turn on / off the power switch 450 that turns on the motor 910. That is, when the safety block 400 is in a locked state, the power switch 450 may be positioned in the recess 403a of the second step portion 403 and may be turned off (see FIG. Fig.18 ). When the safety block 400 is in the unlocked state, the convex portion 403b of the second step portion 403 can press the power switch 450 to supply power to the opening motor 910 (see Fig. 20 ). Therefore, by notifying the fault condition of the opening motor 910 in advance, a state in which it cannot operate or a state in which it can operate can be safely achieved.

[0071] <Safety Actuator 500>

[0072] Reference Fig.15 The door lock 10 for a vehicle according to the present embodiment may include a safety actuator 500. The safety actuator 500 may slide the safety block 400 to a locked position (see Fig.16) or unlocked position (see Fig.19 ).

[0073] The safety actuator 500 may include a safety motor 510 .

[0074] The safety actuator 500 may include an externally threaded rod 520. The externally threaded rod 520 may have a worm shape. The externally threaded rod 520 may be mounted or formed on a rotating shaft 511 of the safety motor 510.

[0075] The safety actuator 500 may include an internal thread 530. The internal thread 530 may be formed on one side of the safety block 400. The internal thread 530 may be fastened to the external thread rod 520. The internal thread 530 may be transferred and slid up and down based on the rotation of the external thread rod 520.

[0076] <Door handle key connector 550>

[0077] Reference Fig.18 , the door lock 10 for a vehicle according to the present embodiment may include a door handle key connector 550. When there is a problem with the safety actuator 500 in a state where the vehicle is closed, the door handle key connector 550 may manually lock and unlock the vehicle.

[0078] The door handle key connector 550 may include a lock cylinder 551, a key lever 553 pivoted by the rotation of the lock cylinder 551, and an operation groove 555 formed at the upper end of the key lever 553. The lock cylinder 551 is interlocked with the key box of the door flush handle 1, and thus can be turned by the vehicle key inserted through the key insertion hole on the outside of the door. The operation groove 555 is a cylindrical groove, and a lock cylinder pin 557 formed on the safety block 400 can be placed in the operation groove 555. Therefore, when the safety block 400 slides by the operation of the lock cylinder 551, the lifting link 840 can be positioned in the horizontal long hole 811 or the inclined long hole 813.

[0079] <Emergency lever connector 570>

[0080] Reference Figure 3 , Figure 5 , Figure 8 and Fig.11 The door lock 10 for a vehicle according to the present embodiment may include an emergency lever connector 570. The emergency lever connector 570 may allow the lifting link 840 to be positioned in the horizontal long hole 811 or the inclined long hole 813 by manually sliding the safety block 400 when the vehicle is opened.

[0081] The emergency lever connector 570 may be configured such that the key plate 571 and the first arm 572 and the second arm 573 protruding from the upper right side and the lower right side of the key plate 571, respectively, are formed in a trapezoidal shape. The key plate 571 may be rotatably mounted in the through hole 574 of the main cover 110. The emergency lever pin 575 formed on the safety block 400 may be placed between the first arm 572 and the second arm 573. Therefore, the first arm 572 and the second arm 573 may pull or push the emergency lever pin 575.

[0082] <Open Block 600>

[0083] Reference Figure 1 , Figure 2 , Figures 8 to 11 , Fig.14 , Fig.25 and Fig. 27 The door lock 10 for a vehicle according to the present embodiment may include a rod-shaped opening block 600 in the same manner as the safety block 400. The opening block 600 may be pulled by an opening connector 30 connected to the door handle 3. Fig.25 As shown, only when the safety block 400 is in the unlocked position, the opening block 600 can be pulled by the outer door connector 40. Regardless of whether the safety block 400 is in a locked state or an unlocked state, the opening block 600 can always be pulled by the inner door connector 50.

[0084] The opening block 600 may be slidably accommodated in the third accommodation portion 213. A guide protrusion 601 may be formed at a rear end portion of the opening block 600. The guide protrusion 601 may be accommodated in the sixth accommodation portion 216. Therefore, the opening block 600 may be guided to be stably slidable in the front-rear longitudinal direction.

[0085] <Open lever 700>

[0086] The door lock 10 for a vehicle according to the present embodiment may include an opening lever 700. The opening lever 700 may pivot the pawl 330 by pulling the opening block 600 to open the closure of the ratchet wheel 310.

[0087] Reference Figure 6 , Figure 7 , Fig.11 , Fig.18 and Fig.21, the opening lever 700 may include an opening lever plate 710. The center of the opening lever plate 710 may be rotatably mounted on an axis formed on the rear surface of the main cover 110. The opening lever 700 may include a first engaging pin 720 formed on one side of the opening lever plate 710. The first engaging pin 720 may protrude rearward. The first engaging pin 720 may be engaged with the engaging claw 725 of the opening block 600 and the engaging protrusion 950 of the opening actuator 900. The opening lever 700 may include a second engaging pin 730. The second engaging pin 730 may protrude forward. Figure 7 As shown, the second engaging pin 730 may be disposed in an arc-shaped groove 735 formed on the main cover 110 and extending through the main cover 110 from front to back.

[0088] <Opening block pull-stop portion 800>

[0089] Reference Fig.10 and Fig.11 The door lock 10 for a vehicle according to the present embodiment may include an opening block pull-inhibiting portion 800. The opening block pull-inhibiting portion 800 may be configured to be movable according to the locking position of the safety block 400 (see FIG. Fig.16 ) or unlocked position (see Fig.19 ) to prevent or allow the pulling of the opening block 600. That is, the opening block pulling prevention portion 800 can be an additional safety structure to prevent the door from opening when the safety block 400 is in a locked state.

[0090] The opening block pull preventing portion 800 may include a cam groove 810 formed in the safety block 400. The cam groove 810 may include a horizontal long hole 811 and an inclined long hole 813. The cam groove 810 may be approximately L-shaped forming an obtuse angle.

[0091] The opening block pull-stop portion 800 may include a movable link portion 830 connecting the cam slot 810 and the opening block 600. The movable link portion 830 may include a lifting link 840 moving up and down along the cam slot 810 and a fixed link 850 formed on the opening block 600.

[0092] The lifting link 840 may include a lifting link plate 841. An opening block pull-stop groove 820 and a stopper 842 that are stuck on the outer side of the safety block 400 may be formed on the lifting link plate 841. When the lifting link 840 moves in the locking direction, the stopper 842 may limit the highest position of the inclined long hole 813. The opening block pull-stop groove 820 may be formed on the lifting link plate 841. The opening block pull-stop groove 820 has an inverted U shape and may be connected to the outer opening rod 43. For example, as Fig.18As shown in FIG. 8 , when the lifting link 840 is set in the inclined long hole 813, the opening block pull-stop groove 820 is in a locked position where it is not caught on the ball 44 installed in the cable of the outside opening rod 43. Therefore, even if the outside door connector 40 is pulled, the opening block 600 is not pulled. On the contrary, Fig. 20 As shown, when the lifting link 840 is set in the initial position of the horizontal long hole 811, the opening block pull-stop groove 820 is in the unlocked position stuck on the ball 44 installed in the cable of the outer opening rod 43. Therefore, even if the outer door connector 40 is pulled, it can be opened as shown in FIG. Fig.26 Pull the opening block 600 as shown.

[0093] The lifting link 840 may include a first pin 843. The first pin 843 may protrude onto one side of the lifting link plate 841 and move along the cam groove 810.

[0094] The lift link 840 may include a second pin 845. The second pin 845 may be formed to protrude onto the other side of the lift link plate 841.

[0095] The movable link part 830 may include a fixed link 850. The fixed link 850 may guide the lifting link 840.

[0096] The fixing link 850 may include a fixing link plate 851 formed on the opening block 600. The fixing link plate 851 may protrude outward from one side of the opening block 600. That is, the fixing link plate 851 may overlap the cam groove 810 with the lifting link 840 interposed therebetween.

[0097] The fixing link 850 may include a long hole 853 formed in the front-rear direction. The long hole 853 may be formed in the fixing link plate 851. The long hole 853 may guide the up-down movement of the second pin 845.

[0098] like Fig.11 As shown, an elevating guide groove 860 guiding the up-down movement of the elevating link plate 841 may be formed in the opening block 600. Thus, the elevating link 840 may stably move up and down through the elevating guide groove 860.

[0099] <Opening Actuator 900>

[0100] Reference Figure 8 , Fig.12 , Fig.15 , Fig.16 , Fig.18 and Fig. 20 The door lock 10 for a vehicle according to the present embodiment may include an opening actuator 900. The opening actuator 900 may pivot the pawl 330 to open the closure of the ratchet wheel 310.

[0101] The opening actuator 900 may include an opening motor 910 assembled to the fourth accommodation portion 214 .

[0102] The opening actuator 900 may include a worm 920. The worm 920 may be formed on a rotation shaft of the opening motor 910.

[0103] The opening actuator 900 may include a worm gear 930. The worm gear 930 may engage with the worm 920.

[0104] The opening actuator 900 may include a disk 940. The disk 940 may have the same rotation axis as the worm wheel 930. The disk 940 and the worm wheel 930 may be formed as one body. The disk 940 and the worm wheel 930 may have the same rotation axis as the support shaft 218.

[0105] like Fig. 20 As shown, the opening actuator 900 may include a snap-in protrusion 950. The snap-in protrusion 950 may be formed to protrude at a right angle from a portion of the circumference of the disk 940. The snap-in protrusion 950 may be exposed through a groove 219 formed on one side of the base 210. The snap-in protrusion 950 may be snapped on the first snap-in pin 720 of the opening lever 700. That is, if the first snap-in pin 720 operates electrically, the first snap-in pin 720 may be pushed by the snap-in protrusion 950, and if the first snap-in pin 720 operates mechanically, it may be pushed by the snap-in claw 725.

[0106] <Opening the Drive Blocking Section 1000>

[0107] Reference Fig.11 and Fig.21 , the door lock 10 for a vehicle according to the present embodiment may include an opening drive preventing portion 1000 .

[0108] The opening drive preventing portion 1000 may prevent or allow the driving of the opening actuator 900 according to the locking position or the unlocking position of the safety block 400 .

[0109] like Fig. 20 and Fig.21 As shown, the opening drive preventing portion 1000 may include a cutting line 1001 that cuts a portion of the circumference of the disk 940 .

[0110] The opening drive preventing portion 1000 may include a safety plate 1003. The safety plate 1003 may be formed to protrude from one side of the safety block 400. The safety plate 1003 may be disposed above the cutting line 1001. Therefore, the rotation space of the disk 940 may be blocked or provided based on the relative positions of the safety plate 1003 and the cutting line 1001.

[0111] Next, the operational relationship of the above-mentioned components is described.

[0112] Figures 16 to 18 It is shown that the door of the vehicle cannot be opened in the locked state of the safety block 400. That is, the lifting link 840 can be positioned at the high point of the inclined long hole 813 of the cam groove 810 (see Fig.16 ), the ratchet wheel 310 can be locked by the pawl 330 (see Fig.17 ), and the safety plate 1003 can be set above the cutting line 1001 to block the rotation space of the disk 940 (see Fig.18 ).

[0113] In order to change the safety block 400 from the locked state to the unlocked state, when a signal is input to supply power to the safety motor 510 and the internal threaded member 530 is pulled by rotating the external threaded rod 520, the lifting link 840 can be positioned at the initial low point of the horizontal long hole 811 of the cam groove 810, and the safety block 400 and the safety plate 1003 are pulled together (see FIG. Fig.19 ), thus the safety plate 1003 can be arranged above the cutting line 1001 to allow the disk 940 to rotate (see Fig. 20 ).

[0114] like Fig.19 and Fig. 20 As shown, when the safety block 400 presses the power switch 450 and the power is connected to supply power to the opening motor 910, the worm gear 930 and the disk 940 can rotate through the worm 920, and the engaging protrusion 950 can rotate the opening lever 700, as shown in FIG. Fig.21 When the opening lever 700 rotates, the pawl 330 can open the closed ratchet wheel 310 while pivoting, thereby achieving the door opening state (see Figure 20 to Figure 22 ).

[0115] When the ratchet 310 is closed as Fig.21 and Fig. 22 When opened as shown, the ratchet 310, the pawl 330, the opening lever 700 and the disk 940 can be opened as shown. Fig.23 As shown, it is returned by return springs 115 and 117 and the door can be opened because the ratchet 310 is in the open position.

[0116] Fig.25 and Fig.26 The door is shown opened using the outside door connector 40 .

[0117] When from Fig.19 and Fig. 20 When the outer door connector 40 is pulled from the unlocked starting position shown, the lifting link 840 can move along the horizontal long hole 811 of the cam groove 810, and the opening block 600 is pulled (see Fig.25Then, the engaging claw 725 of the opening block 600 can rotate the opening lever 700 to open the closure of the lock portion 300 (see Fig.26 ).

[0118] on the other hand, Fig. 27 and Fig.28 The door is shown opened using the inside door connector 50 .

[0119] When from Fig.19 and Fig. 20 When the inner door connector 50 is pulled from the unlocked starting position shown, the lifting link 840 can move along the horizontal long hole 811 of the cam groove 810, and the opening block 600 is pulled (see Fig. 27 Then, the engaging claw 725 of the opening block 600 can rotate the opening lever 700 to open the closure of the lock portion 300 (see Fig.26 ).

[0120] The above-mentioned embodiments or other embodiments of the present invention are not mutually exclusive or different. The configurations or functions of the above-mentioned embodiments or other embodiments of the present invention may be used together or combined with each other.

[0121] It is obvious to those skilled in the art that the present invention can be implemented in other specific forms without departing from the spirit and essential features of the present invention. Therefore, the above detailed description should not be interpreted as limiting in all aspects and should be considered as illustrative. The scope of the present invention should be determined by a reasonable interpretation of the attached claims, and all modifications within the equivalent scope of the present invention are included within the scope of the present invention.

[0122] [Description of Reference Numerals]

[0123] 1: Flush door handle for vehicles 3: Outside handle

[0124] 10: Door lock for vehicle 30: Open connector

[0125] 140: Outer door connector 41: Outer rod

[0126] 43: Outer opening lever 50: Inner door connector

[0127] 100: housing 110: main cover

[0128] 120: front panel 130: back cover

[0129] 200: Insertion cover 210: Base

[0130] 211 to 215: First to fifth accommodation portions 218: Support shaft

[0131] 300: Locking part 310: Ratchet

[0132] 330: ratchet 400: safety block

[0133] 500: Safety actuator 510: Safety motor

[0134] 520: External thread rod 530: Internal thread part

[0135] 550: Door handle key connector 570: Emergency lever connector

[0136] 600: Open block 700: Open lever

[0137] 800: Opening block pull-stop portion 810: Cam groove

[0138] 811: horizontal long hole 813: inclined long hole

[0139] 820: Opening block pull-stop groove 830: Movable link part

[0140] 900: Open the actuator 910: Open the motor

[0141] 920: Worm 930: Worm wheel

[0142] 940: Plate 950: Engaging protrusion

[0143] 1000: Open drive blocking part 1001: Cutting line

[0144] 1003: Safety board

Claims

1. A door lock for a vehicle, comprising: a locking portion, which includes a ratchet and a pawl; Security Block; a safety actuator configured to slide the safety block to a locked position or an unlocked position; an opening block that is pulled by an outside door connector that is connected to an outside handle of the door; an opening lever configured to pivot the pawl and open the closure of the ratchet wheel by pulling the opening block; an opening block pulling prevention portion configured to prevent the opening block from being pulled when the safety block is in the unlocking position; an opening actuator configured to pivot the pawl and open the closure of the ratchet; as well as An opening drive preventing portion is configured to prevent driving of the opening actuator based on the position of the safety block.

2. The door lock for a vehicle according to claim 1, wherein: The safety block and the opening block are arranged in parallel, The opening block pull-stopping portion includes: a cam groove including an inclined long hole and a horizontal long hole formed in the safety block; and a movable link portion configured to connect the cam groove and the opening block, wherein, when the movable link portion is disposed in the inclined long hole, the movable link portion maintains a locked state in which the movable link portion is not stuck on the outer door connector; and When the movable link portion is disposed in the horizontal long hole, the movable link portion maintains an unlocked state in which the movable link portion is stuck on the outer door connector.

3. The door lock for a vehicle according to claim 2, wherein: The movable link portion comprises: a lifting link configured to move up and down along the cam slot; and A fixed link is mounted on the opening block and is configured to guide the lifting link.

4. The door lock for a vehicle according to claim 3, wherein: The lifting link comprises: Lifting link plate; a first pin configured to protrude to one side of the lift link plate and move along the cam groove; a second pin configured to protrude to the other side of the lift link plate; and Open the block pull-stop groove formed on the lower side of the lifting link plate, wherein, when the first pin is disposed in the inclined long hole, the opening block pull-preventing groove maintains a locked state such that the opening block pull-preventing groove is not stuck on the outer door connector, wherein, when the first pin is disposed in the horizontal long hole, the opening block pull-preventing groove maintains an unlocked state such that the opening block pull-preventing groove is stuck on the outer door connector, and The fixed connecting rod comprises: a fixed link plate formed on the opening block; and A long hole is formed on the fixed link plate and is configured to guide the up-and-down movement of the second pin.

5. The door lock for a vehicle according to claim 1, wherein: The safety actuator comprises: Safety motor; an externally threaded rod configured to receive rotational power from the safety motor; and an internal threaded member formed on the safety block and threadedly fastened to the external threaded rod, Wherein the opening actuator comprises: Turn on the motor; a worm gear configured to receive rotational power from the opening motor; a worm wheel engaged with the worm; a disc configured to receive the rotational power of the worm gear; and a snap-fit ​​protrusion formed on one side of the disk and configured to rotate the opening lever, The opening drive preventing portion comprises: a cutting line configured to cut a portion of a circumference of the disk; and a safety plate formed on the safety block and disposed above the cutting line, Wherein the rotation space of the disk is blocked or allowed based on the position of the safety plate and the cutting line.

6. The door lock for a vehicle according to claim 5, further comprising: a main cover on which the locking portion and the opening lever are mounted; a rear cover configured to cover a rear surface of the main cover; as well as an insertion cover which is inserted into the main cover and the rear cover, The insert cover comprises: base; a first receiving portion, which is received in the base so that the safety block can slide; a second accommodation portion formed on one side of the first accommodation portion and configured to accommodate the safety actuator; a third receiving portion, which is received in the base in parallel with the first receiving portion so that the opening block can slide; a fourth accommodation portion formed on one side of the third accommodation portion and configured to accommodate the opening motor; and A support shaft is formed on the base, and the worm gear and the disc are rotatably inserted into the support shaft.

7. The door lock for a vehicle according to claim 1, wherein: The outside door connector includes an outside opening rod configured to connect the outside handle and the opening block.

8. The door lock for a vehicle according to claim 3, further comprising: A door handle key connector is configured to slide the security block and position the lifting link in the horizontal long hole or the inclined long hole using a vehicle key inserted into the outside handle.

9. The door lock for a vehicle according to claim 3, further comprising: An emergency lever connector is configured to manually slide the safety block in a state where the door is open and position the lifting link in the horizontal long hole or the inclined long hole.

10. The door lock for a vehicle according to claim 5, wherein: When the safety block is in the locked state, the power switch of the opening motor cuts off the power of the opening motor, and Wherein, when the safety block is in an unlocked state, the power switch of the opening motor applies power to the opening motor.

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