WO2018169259A1 - Système de verrouillage de portière de véhicule - Google Patents

Système de verrouillage de portière de véhicule Download PDF

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Publication number
WO2018169259A1
WO2018169259A1 PCT/KR2018/002850 KR2018002850W WO2018169259A1 WO 2018169259 A1 WO2018169259 A1 WO 2018169259A1 KR 2018002850 W KR2018002850 W KR 2018002850W WO 2018169259 A1 WO2018169259 A1 WO 2018169259A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
catching
latch
locking
recess
Prior art date
Application number
PCT/KR2018/002850
Other languages
English (en)
Inventor
Hae Il Jeong
Original Assignee
Woobo Tech Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020170176842A external-priority patent/KR101995346B1/ko
Application filed by Woobo Tech Co., Ltd. filed Critical Woobo Tech Co., Ltd.
Publication of WO2018169259A1 publication Critical patent/WO2018169259A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E05B79/12—Connections between movable lock parts using connecting rods
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/56—Control of actuators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure

Definitions

  • the present invention relates to a terminal panel into which an electric wire employed in a vehicle door latch system is inserted.
  • a vehicle door latch system has a case in which a latch and a link for locking the latch are installed, as proposed in Korean Patent No. 10-1091658 (hereinafter referred to as Cited Patent 1).
  • Cited Patent 1 includes many links for performing various functions. Such a large number of components cause increases in production cost, assembly process complexity, and also volume.
  • Cited Patent 2 Korean Publication No. 2017-0001458
  • Cited Patent 2 has a problem in that an electric wire is bent or short-circuited while being inserted into a housing in which a latch is installed.
  • Cited Patent 3 Korean Patent No. 10-0487974 (hereinafter referred to as Cited Patent 3) discloses that a terminal sensing plate into which an electric wire is inserted is separately provided.
  • Cited Patent 3 has a problem in that no configuration for PCB connection is shown in the terminal sensing plate, thus making PCB connection difficult.
  • Patent Document 1 Korean Patent No. 10-0487974
  • Patent Document 2 Korean Patent No. 10-1091658
  • Patent Document 3 Korean Patent No. 10-1577214
  • Patent Document 4 Korean Patent Publication No. 2016-0013621
  • Patent Document 5 Korean Patent Publication No. 2017-0001458
  • a technical objective of the present invention is to provide a vehicle door latch system in which it is possible to prevent the bending and short-circuiting of an inserted electric wire, facilitate installation of a PCB, and install a PCB in a housing in which a latch is installed. Thus, it is possible to decrease the number of components, decrease the volume of an apparatus, and easily check whether a PCB is well connected.
  • a vehicle door latch system includes a housing; a latch pivotably installed in the housing; a door operating member configured to lock the latch; and a terminal panel having an electric wire connected to a sensor for sensing movement or rotation of at least one member and to a motor for moving or rotating at least one member, wherein one end of the electric wire is pulled out on one side of the terminal panel to connect to a printed circuit board (PCB).
  • PCB printed circuit board
  • the door operating member may include a main opening member slidable with respect to the latch.
  • the housing may include a first housing in which the latch is installed, a second housing disposed in front of the first housing, and a third housing disposed behind the first housing, and the terminal panel may be disposed between the first housing and the third housing.
  • a gear through-hole through which a gear unit rotated by the motor is to pass may be formed in the terminal panel.
  • the PCB may be disposed behind the terminal panel, and a through-hole may be formed in a front-rear direction to expose one end of the electric wire connected to the PCB forward.
  • a terminal panel into which an electric wire is to be inserted has one side at which one end of the electric wire is pulled out to connect to a PCB, thus preventing the bending and short-circuiting of the inserted electric wire, facilitating installation of the PCB, and decreasing the volume of an apparatus.
  • the housing includes a first housing in which the latch is installed on a front surface thereof, a second housing disposed in front of the first housing, and a third housing disposed behind the first housing, and the terminal panel is disposed between the first housing and the third housing. Also, the latch and the terminal panel are disposed in the same housing, thus making an apparatus further compact.
  • a gear through-hole through which a gear unit rotated by the motor is to pass may be formed in the terminal panel, thus making it possible to variously change an installation location of the motor.
  • the PCB may be disposed behind the terminal panel, and a through-hole may be formed in a front-rear direction to expose forward one end of the electric wire connected to the PCB, thus making it possible to easily check whether the end of the electric wire is smoothly connected to the PCB.
  • FIG. 1 is a perspective view of a vehicle door latch system according to an exemplary embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 3 shows a front view (in an upper portion) and a rear view (in a lower portion) of a first housing in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 4 shows a front view (in an upper portion) and a rear view (in a lower portion) of a second housing in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 5 shows a front view (in an upper portion) and a rear view (in a lower portion) of a third housing of the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 6 is a perspective view of a latch and a first return spring in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 7 shows a front view (in an upper portion) of a main opening member and a key connector and a partial rear view (in a lower portion) of the main opening member in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 8 is a partial perspective view of a catching lever part and a second return spring in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 9 is a front view of a sub-opening member and a door lever connection part in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 10 is a front view of the vehicle door latch system according to the exemplary embodiment of the present invention (the second housing is omitted therein).
  • FIG. 11 is a state diagram schematically showing a state in which the vehicle door latch system according to the exemplary embodiment of the present invention is installed at a vehicle side door.
  • FIG. 12 is a partial sectional view schematically showing a state in which the vehicle door latch system according to the exemplary embodiment of the present invention is installed at a vehicle side door.
  • FIG. 13 shows a front view (in an upper portion) and a rear view (in a lower portion) of a first driving unit in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 14 shows a front view (in an upper portion) and a rear view (in a lower portion) of an open plate in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 15 shows a front view (in an upper portion) and a rear view (in a lower portion) of a locking member and a second driving unit in the vehicle door latch system according to the exemplary embodiment of the present invention.
  • FIG. 16 is a partial rear view of the vehicle door latch system according to the exemplary embodiment of the present invention from which the third housing and a terminal panel have been removed.
  • FIG. 17 shows a front view (in an upper portion) and a rear view (in a lower portion) of a terminal panel and a printed circuit board (PCB) of the vehicle door latch system according to the exemplary embodiment of the present invention.
  • PCB printed circuit board
  • FIG. 18 is an enlarged view of part (a) and part (b) of FIG. 17.
  • FIG. 19 is a partial front view of the vehicle door latch system according to the exemplary embodiment of the present invention from which the first housing and the second housing have been removed.
  • FIG. 20 is a rear view of the vehicle door latch system according to the exemplary embodiment of the present invention from which the third housing has been removed.
  • FIG. 21 is a front view showing the vehicle door latch system according to the exemplary embodiment of the present invention (the housing thereof is omitted therein) while a first step of a door closing operation is performed.
  • FIG. 22 is a front view showing the vehicle door latch system according to the exemplary embodiment of the present invention (the housing thereof is omitted therein) while a second step of the door closing operation is performed.
  • FIG. 23 is a front view showing the vehicle door latch system according to the exemplary embodiment of the present invention (the housing thereof is omitted therein) while a third step of the door closing operation is performed.
  • FIG. 24 is a front view showing the vehicle door latch system according to the exemplary embodiment of the present invention (the housing thereof is omitted therein) while a fourth step of the door closing operation is performed.
  • FIG. 25 shows a partial sectional view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a first step of a door locking operation is performed.
  • FIG. 26 shows a partial sectional view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a second step of the door locking operation is performed.
  • FIG. 27 shows a partial sectional view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a third step of the door locking operation is performed.
  • FIG. 28 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a first step of a door opening operation is performed through a first driving unit thereof.
  • FIG. 29 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a second step of the door opening operation is performed through the first driving unit.
  • FIG. 30 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a third step of the door opening operation is performed through the first driving unit.
  • FIG. 31 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the first exemplary embodiment of the present invention while a first step of a door opening operation is performed through a key thereof.
  • FIG. 32 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a second step of the door opening operation is performed through the key.
  • FIG. 33 shows a partial front view (in an upper portion) and a partial rear view (in a lower portion) of the vehicle door latch system according to the exemplary embodiment of the present invention while a third step of the door opening operation is performed through the key.
  • spatially relative terms such as “below,” “above,” and the like, may be used herein for ease of description to describe one element's relationship to another element(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different meanings or operations of a device in use in addition to the meanings depicted in the drawings. For example, if the device in the figures is turned over, elements described as “below” other elements would then be oriented “above” the other elements. Thus, the exemplary term “below” can encompass both an orientation of above and below. Devices may be otherwise rotated 90 degrees or by other angles and the spatially relative descriptors used herein are interpreted accordingly.
  • a vehicle door latch system includes a housing 1100, a latch 1200 pivotably installed in the housing 1100, a door operating member configured to lock the latch 1200, and a terminal panel 1900 into which an electric wire 1911 connected to a sensor for sensing movement or rotation of at least one member and motors for moving or rotating at least one member is to be inserted.
  • One end of the electric wire 1911 is pulled out at one end of the terminal panel 1900 and is connected to a PCB 1920.
  • the housing 1100 will be described below.
  • a front portion refers to a portion toward the second housing 1130
  • a rear portion refers to a portion toward the third housing 1150.
  • a left portion and a right portion which will be described below, refer to the left and the right when viewed from the front, respectively. Even when positions of members formed on a rear surface are described, a left portion and a right portion refer to the left and the right when viewed from the front, respectively.
  • an upper portion refers to an inner direction of the vehicle
  • a lower portion refers to an outer direction of the vehicle
  • a front portion refers to a rear portion of the vehicle
  • a rear portion refers to a front portion of the vehicle.
  • the housing 1100 includes a first housing 1110, a second housing 1130 disposed in front of the first housing 1110, and a third housing 1150 disposed behind the first housing 1110.
  • a sealing member is disposed between a rear edge of the first housing 1110 and a front edge of the third housing 1150 to prevent first and second driving units 1600 and 1650, a PCB 1920, and the like from being damaged by water.
  • a striker insertion recess 1105 into which a striker 1101 connected to the vehicle's body is to be inserted is formed in an upper portion and a front portion of the housing 1100.
  • the striker insertion recess 1105 is formed with an open upper portion, an open front portion, and a closed rear portion.
  • the striker insertion recess 1105 formed in the first housing 1110 is formed in a concave shape
  • the striker insertion recess 1105 formed in the second housing 1130 is formed in the shape of a hole passing through the second housing 1130 in a front-rear direction.
  • the first housing 1110 is formed in a plate shape.
  • a latch seating recess 1111 in which the latch 1200, which will be described below, is to be seated and an operating member seating recess 1112 in which a main opening member 1300 and a sub-opening member 1400, which will be described below, are to be seated are formed in a front portion of the first housing 1110.
  • the first housing 1110 may be made of a plastic material and formed through injection molding. This makes an apparatus be easily manufactured.
  • the latch seating recess 1111 is formed with an open front portion and a closed rear portion, thus facilitating assembly of components.
  • the front portion of the latch seating recess 1111 is covered with the second housing 1130 during assembly.
  • the upper portion of the latch seating recess 1111 communicates with the striker insertion recess 1105.
  • a spring insertion recess 1113 is formed in the front portion of the first housing 1110.
  • the spring insertion recess 1113 is disposed behind the latch seating recess 1111 to communicate with the latch seating recess 1111.
  • the spring insertion recess 1113 is formed in the shape of a circular sector, and a first return spring 1250, which will be described below, is inserted into the spring insertion recess 1113 such that one end of the first return spring 1250 may rotate together with the latch 1200.
  • a sensor transfer member insertion hole into which a first sensor transfer member and a second sensor transfer member, which will be described below, are to be inserted is formed in the first housing 1110 to pass through the first housing 1110 in the front-rear direction and thus communicate with the latch seating recess 1111.
  • the sensor transfer member insertion hole is disposed under the striker insertion recess 1105.
  • a catching part guide recess 1115 is formed at a left side of the first housing 1110 to pass through the first housing 1110 in the front-rear direction and thus communicate with the spring insertion recess 1113 and the latch seating recess 1111.
  • the catching part guide recess 1115 is formed around the spring insertion recess 1113 and the latch seating recess 1111 in the shape of a circular arc.
  • the operating member seating recess 1112 serves to guide the main opening member 1300 and the sub-opening member 1400 to smoothly slide with respect to the housing 1100, the latch 1200, and a pivot member 1370 in a left-right direction.
  • the operating member seating recess 1112 is formed in the left-right direction to communicate with the latch seating recess 1111.
  • At least a portion of the operating member seating recess 1112 is more recessed than the latch seating recess 1111.
  • the operating member seating recess 1112 is formed in an upper right portion of the first housing 1110. In this case, the center of the operating member seating recess 1112 is disposed above the center of the latch seating recess 1111.
  • a part in which the sub-opening member 1400 is to be seated is formed with an open rear portion.
  • a protrusion guide part 1507 and a first sense member 1350, which will be described below, are inserted into the part of the operating member seating recess 1112 having the open rear portion.
  • a load guide recess 1116 is formed in the front portion of the first housing 1110 in the left-right direction to communicate with the left side of the operating member seating recess 1112.
  • the load guide recess 1116 is disposed below the latch seating recess 1111 to communicate with the latch seating recess 1111.
  • a first spring seating recess 1117 and a second spring seating recess are formed in a front upper right portion of the first housing 1110.
  • the first spring seating recess 1117 and the second spring seating recess are formed to the right of the operating member seating recess 1112 to communicate with the operating member seating recess 1112.
  • a pull-out hole from which a wire of a lever connection part 1800 connected to a lever 10 is to be pulled out communicates with the right side of the first spring seating recess 1117. Accordingly, the lever connection part 1800 is pulled out to an upper right portion of the first housing 1110.
  • a driving catching part through-hole 1118 is formed in a right portion of the first housing 1110.
  • the driving catching part through-hole 1118 is elongated in the left-right direction and is formed to pass through the first housing 1110 in the front-rear direction.
  • a key catching part through-hole 1119 is formed in the right portion of the first housing 1110.
  • the key catching part through-hole 1119 is elongated in the left-right direction and is formed to pass through the first housing 1110 in the front-rear direction.
  • the key catching part through-hole 1119 is disposed to the right of the driving catching part through-hole 1118.
  • Bumper member insertion recesses 1123 into which bumper members 1360 are to be inserted are formed in middle and upper portions of the first housing 1110 to communicate with the striker insertion recess 1105 or the latch seating recess 1111.
  • the bumper member insertion recess 1123 disposed in the middle portion has an open front portion and an open upper portion, and the upper portion of the bumper member insertion recess 1123 communicates with the striker insertion recess 1105.
  • the bumper member insertion recess 1123 disposed in the upper portion has an open front portion and a right portion communicating with the latch seating recess 1111.
  • the bumper member 1360 disposed in the middle portion can prevent shock or noise that is caused by contact with the first housing 1110 when the striker 1101 is inserted into the striker insertion recess 1105.
  • a support protrusion part 1103 for supporting a horizontal part or a vertical part of the second housing 1130 is elongated on a front surface of the first housing 1110.
  • the support protrusion part 1103 it may be easy to preliminarily assemble the first housing 1110 and the second housing 1130. Accordingly, it is possible to facilitate an assembly process thereof.
  • An edge of the first housing 1110 protrudes rearward so that a space may be formed in the rear portion of the first housing 1110.
  • a key connector installation part 1127 is formed with an open upper portion, an open lower portion, and an open rear portion at the bottom of the right portion of the rear surface of the first housing 1110.
  • a rib is formed around the main gear shaft 1114, thereby reducing the weight of the apparatus and reinforcing the strength of the apparatus.
  • the second housing 1130 is divided into two parts.
  • the two parts of the second housing 1130 are each formed as a plate member and made of different materials.
  • the second housing 1130 may be provided as one member rather than being divided into two parts.
  • the second housing 1130 includes a second metal housing 1130a formed of a metal material and a second plastic housing 1130b formed of a plastic material.
  • the second housing 1130 is formed of different materials according to position, and thus it is possible to maintain durability of the apparatus and also reduce the weight of the apparatus.
  • the second metal housing 1130a is disposed on the left of the apparatus, and the second plastic housing 1130b is disposed on the right of the apparatus.
  • a latch, a pivot member, and the like are installed in the second metal housing 1130a.
  • a shaft insertion hole into which a latch pivot shaft 1230 provided as a rivet is to be inserted is formed in the second metal housing 1130a to pass through the second metal housing 1130a in the front-rear direction.
  • a first protrusion part 1135 and a second protrusion part 1136 are formed by recessing the second metal housing 1130a from front to back around the shaft insertion hole.
  • the first protrusion part 1135 and the second protrusion part 1136 protrude rearward relative to other parts of the rear surface of the second metal housing 1130a.
  • the first protrusion part 1135 is in contact with a front surface of the latch and a front surface of the pivot member 1370, which will be described below. Accordingly, during assembly, it is possible to minimize friction between the second housing 1130 and the latch 1200 and the pivot member 1370 while preventing the latch 1200 and the pivot member 1370 from moving in the front-rear direction. That is, a part protruding rearward is formed on the rear surface of the second housing 1130, and thus it is possible to minimize friction between the second housing 1130 and a rotating member.
  • the first protrusion part 1135 is formed to have a shape similar to letter " ⁇ ". The first protrusion part 1135 is bent in a rotational direction of the latch 1200 and the pivot member 1370.
  • the second protrusion part 1136 is formed around the shaft insertion hole in an arc shape and is in contact with the front surface of the latch 1200.
  • a protrusion part recessed from the front portion to the rear portion is formed in the second metal housing 1130a around a hole into which a shaft is to be inserted.
  • a rivet insertion hole into which a first return spring catching shaft 1251, a pivot shaft 1380, and a pivot spring catching shaft 1391, which are provided as rivets, are to be inserted is formed in the second metal housing 1130a of the second housing 1130 to pass through the second metal housing 1130a of the second housing 1130 in the front-rear direction.
  • a plurality of door installation parts 1124 and 1134 are formed on the front surface of the first housing 1110 and the second metal housing 1130a of the second housing 1130 so that the vehicle door latch system 5 may be bolted to the door 1.
  • the door installation parts 1124 and 1134 are disposed in upper and lower left portions of the first housing 1110 and the second housing 1130 and in a right portion of the striker insertion recess 1105.
  • the door installation part 1124 formed in the first housing 1110 is formed in the shape of a recess extending rearward
  • the door installation part 1134 formed in the second housing 1130 is formed in the shape of a hole passing through the second housing 1130 in the front-rear direction.
  • an installation boss 1134a is formed on the rear surface of the second metal housing 1130a to protrude rearward.
  • the installation boss 1134a is inserted into the door installation part 1124 of the first housing 1110.
  • the installation boss 1134a is formed to surround the door installation part 1134 formed in the second housing 1130.
  • a screw thread is formed on an inner wall of the installation boss 1134a.
  • a cut part corresponding to the striker insertion recess 1105 is formed in the second metal housing 1130a so that the front portion of the striker insertion recess 1105 may be open.
  • a vertical support member 1138 that surrounds and supports a right surface of the first housing 1110 is formed in a right portion of the second plastic housing 1130b of the second housing 1130 to protrude rearward. Accordingly, the lever connection part 1800 is pulled out through the right surface of the first housing 1110.
  • the strength of a part supporting the lever connection part 1800 in the housing 1100 is reinforced.
  • a pull-out hole from which the lever connection part 1800 is to be pulled out is formed in the vertical support member 1138.
  • the second metal housing 1130a and the second plastic housing 1130b are installed on the front surface of the first housing 1110 through a plurality of bolts 1133 or the like.
  • Holes to which the bolts 1133 are to be coupled are disposed in upper and lower left portions and upper and lower right portions of the second metal housing 1130a with respect to the striker insertion recess 1105, and holes to which the bolts 1133 are to be coupled are disposed in a lower left portion and upper and lower right portions of the second plastic housing 1130b.
  • the hole disposed in the lower left portion of the second plastic housing 1130b is formed at a left side end of a coupling bar 1131 formed on the rear surface of the second plastic housing 1130b in the left-right direction.
  • the coupling bar 1131 has a left portion formed to protrude leftward relative to its adjacent areas, a front surface formed rearward relative to the adjacent areas, and a rear surface formed to protrude rearward relative to the adjacent areas.
  • the left portion of the coupling bar 1131 is disposed behind the second metal housing 1130a.
  • the hole formed in the coupling bar 1131 and the hole disposed in the lower right portion of the second metal housing 1130a communicate with each other. This makes assembling easy.
  • a housing catching protrusion 1132 is formed in the upper left portion of the second plastic housing 1130b to protrude leftward.
  • the housing catching protrusion 1132 is formed in a step shape to protrude rearward relative to its adjacent areas.
  • a housing catching protrusion seating recess in which the housing catching protrusion 1132 is to be seated is formed on the front surface of the first housing 1110.
  • the second metal housing 1130a is disposed in front of the housing catching protrusion 1132. Accordingly, it is possible to stably fix the second plastic housing 1130b even if the upper left portion of the second plastic housing 1130b is not fixed by a bolt 1133.
  • a rib is formed in a grid shape on the front surface of the second plastic housing 1130b to protrude forward.
  • the third housing 1150 is formed in the shape of a plate having an edge protruding forward to form a space on the front surface.
  • the space of the third housing 1150 is formed with an open front portion.
  • the third housing 1150 covers the rear surface of the first housing 1110, which is a surface opposite to the surface on which the latch 1200 is installed. That is, the second housing 1130 is fastened to the front surface of the first housing 1110, and the third housing 1150 is fastened to the rear surface of the first housing 1110.
  • the third housing 1150 is bolted to the rear surface of the first housing 1110.
  • first and second coupling parts 1121 and 1152 are formed on the rear surface of the first housing 1110 and the third housing 1150, respectively.
  • the first coupling part 1121 formed in the first housing 1110 has a boss shape to protrude rearward.
  • a hole to which the bolt formed in the first coupling part 1121 is to be coupled has a closed front portion.
  • a rear end of the first coupling part 1121 is formed to protrude rearward relative to an edge of the first housing 1110.
  • a screw thread is formed on an inner circumferential surface of the first coupling part 1121.
  • Such first coupling parts 1121 are formed in the upper left and right portions and lower left and right portions of the first housing 1110.
  • a guide boss 1122 is formed in a middle portion between the first coupling parts 1121 formed in the upper and lower left portions to protrude rearward.
  • the coupling part 1121 disposed in the upper left portion and the guide boss 1122 corresponds to the door installation part 1124 disposed on the left.
  • a second coupling part 1152 formed in the third housing 1150 has the shape of a through-hole passing through the third housing 1150 in the front-rear direction.
  • the second coupling part 1152 is disposed to correspond to the first coupling part 1121.
  • Assembly hooks 1155 are formed in left and right portions and a lower portion of the third housing 1150 to protrude forward.
  • the assembly hooks 1155 are disposed near an edge of the third housing 1150.
  • the assembly hooks 1155 are disposed between the guide boss 1122 and the first coupling part 1121 disposed in the upper left portion, between the first coupling parts 1121 disposed in the lower left and right portions, and between the first coupling parts 1121 disposed in the upper and lower right portions.
  • a PCB insertion part 1154 into which a PCB 1920 is to be fit is formed in the third housing 1150.
  • the PCB 1920 is also installed inside the housing 1100 in which the latch 1200 is to be installed.
  • the PCB insertion part 1154 is disposed in the upper right portion of the third housing 1150.
  • an external electric wire connected to the PCB 1920 is pulled out to an upper right portion of the rear surface of the housing 1100. Accordingly, it is possible to prevent the external electric wire from in contact with water and from being interfered by a glass 30 when the vehicle door latch system 5 is installed in the vehicle side door 1.
  • the PCB insertion part 1154 is formed to protrude toward the rear portion of the third housing 1150.
  • the PCB insertion part 1154 is formed with an open front portion and an open rear portion.
  • a PCB cover 1156 is hooked by and thus fit into the rear portion of the PCB insertion part 1154.
  • a PCB support part 1157 that supports at both sides of the PCB 1920 is formed on an inner wall of the PCB insertion part 1154 of the third housing 1150.
  • a fitting recess into which the both sides of the PCB 1920 are to be inserted is formed in the PCB support part 1157 in the front-rear direction. Accordingly, the PCB 1920 is horizontally disposed.
  • a PCB gap space is formed between upper and lower portions of the PCB 1920 and a surface of the third housing 1150 facing the upper and lower portions of the PCB 1920. Since wire connection solders, electric hardware components, or the like may be disposed in the gap space, the PCB 1920 can be more easily installed in the housing 1100.
  • a motor seating recess 1151 in which a rear portion of a motor 1610 is to be seated is formed in the third housing 1150.
  • the motor seating recess 1151 is disposed in an upper left portion of the third housing 1150. That is, the motor seating recess 1151 is disposed behind the striker insertion recess 1105.
  • the motor seating recess 1151 is disposed to the left of the PCB insertion part 1154. Since the motor 1610 is disposed in an upper left portion of the housing 1100, it is possible to prevent the vehicle door latch system 5 from being interfered by a glass and interior door components when the vehicle door latch system 5 is installed in the vehicle side door.
  • a gap protrusion part in contact with an outer circumferential surface of the motor 1610 is formed on an inner wall of the third housing 1150 and disposed inside the motor seating recess 1151.
  • the gap protrusion part forms a gap space between the inner wall of the third housing 1150 and the outer circumferential surface of the motor 1610.
  • by minimizing contact (linear contact) between the third housing 1150 and the motor 1610 it is possible to decrease noise caused by vibration. Additionally, it is possible to further decrease noise by placing a vibration damper such as a sponge between the inner wall of the third housing 1150 and the outer circumferential surface of the motor 1610.
  • a rib is formed in a grid shape on the rear surface of the third housing 1150.
  • the third housing 1150 may have enhanced durability.
  • a latch 1200 is installed in the first housing 1110 and disposed inside the latch seating recess 1111.
  • the latch 1200 is pivotably installed in the first housing 1110 through a latch pivot shaft 1230 installed in the second housing 1130.
  • the latch 1200 may be formed in a plate shape.
  • a locking recess 1201 is formed on an outer circumferential surface of the latch 1200.
  • the locking recess 1201 is formed with an open outer end to pass through the latch 1200 in the front-rear direction.
  • a second locking catching part 1201a by which a locking part 1371, which will be described below, is to be caught is formed in the latch 1200.
  • the locking recess 1201 has a width increasing from an inner side to an outer side.
  • the locking recess 1201 is surrounded by a first surface 1203 formed to be flat, a second surface 1205 extending from the left side end of the first surface 1203 and formed to be inclined, and a third surface 1207 extending from the left side end of the second surface 1205 and formed in an arc shape to surround the striker 1101.
  • the first surface 1203 forms an upper surface of the second locking catching part 1201a.
  • a striker catching protrusion 1204 by which the striker 1101 is to be caught is formed in the latch 1200.
  • the striker catching protrusion 1204 is disposed inside the locking recess 1201, and the striker 1101 is effectively prevented from falling out of the locking recess 1201 after being inserted into the locking recess 1201.
  • the striker catching protrusion 1204 is formed on a surface facing a surface on which the first surface 1203 is formed (a surface by which the locking part 1371 is to be caught).
  • an auxiliary locking recess 1202 is formed below the locking recess 1201.
  • the auxiliary locking recess 1202 is formed in a shape similar to that of the locking recess 1201, but has less depth than the locking recess 1201. That is, a distance between the auxiliary locking recess 1202 and the center of rotation of the latch 1200 is longer than a distance between the locking recess 1201 and the center of rotation of the latch 1200.
  • the locking part 1371 is first inserted into the auxiliary locking recess 1202 and then inserted into the locking recess 1201.
  • the locking recess 1201 and the auxiliary locking recess 1202 are spaced apart from each other along a circumferential direction so that the striker 1101 has a vertical movement distance of 12 mm or more until the locking part 1371 is inserted into the locking recess 1201 after the locking part 1371 is inserted into the auxiliary locking recess 1202.
  • the movement distance is longer than 7 mm, which is a conventional movement distance of the striker 1101, and a passenger can easily recognize a process in which the door 1 is being automatically closed by the motor 1610.
  • safety is improved as a space for preventing objects from becoming stuck increases.
  • a first locking catching part 1202a by which the locking part 1371, which will be described below, is to be caught is formed in the latch 1200.
  • the latch 1200 is surrounded by an elastic cover 1206.
  • the elastic cover 1206 is formed of an elastic material such as rubber to absorb an impact applied to the latch 1200 and prevent generation of noise.
  • the elastic cover 1206 is formed to surround the remaining portion other than a portion by which the locking part 1371 is to be caught. That is, the elastic cover 1206 surrounds the remaining portion of the latch 1200 other than the first locking catching part 1202a and the second locking catching part 1201a.
  • a spring fitting part 1213 is formed on the outer circumferential surface of the latch 1200.
  • the spring fitting part 1213 may be formed in a recess shape or a hole shape. In this embodiment, the spring fitting part 1213 is formed in a recess shape.
  • a protrusion 1215 is formed at the left side of the outer circumferential surface of the latch 1200 to protrude outward.
  • the protrusion 1215 is disposed in front of the catching part guide recess 1115.
  • the locking recess 1201, the auxiliary locking recess 1202, the spring fitting part 1213, and the protrusion 1215 are sequentially disposed in a direction in which the latch 1200 rotates (clockwise) when the door 1 is closed.
  • a first return spring 1250 is provided so that the latch 1200 automatically returns to its original state when unlocked.
  • First and second bent parts 1252 and 1253 that are bent according to the shape of an assembly part are formed at one end and the other end of the first return spring 1250, respectively.
  • the first bent part 1252 is bent upward at right angles
  • the second bent portion 1253 is bent forward at right angles.
  • the first bent part 1252 of the first return spring 1250 is caught by the first return spring catching shaft 1251, a coil portion is wound around the latch pivot shaft 1230, and the second bent portion 1253 is fit into the spring fitting part 1213 of the latch 1200. Similarly, the first and second bent parts 1252 and 1253 are formed in the first return spring 1250, thereby improving assemblability.
  • the door operating member will be described below.
  • the door operating member locks the latch 1200 so that the door 1 is kept closed. Also, the door operating member may interoperate with a driving input unit (not shown) provided as a lever 10, a button, a sensor (a sensor for detecting an approach of a car key), or the like to open the door 1 if necessary.
  • a driving input unit not shown
  • a sensor a sensor for detecting an approach of a car key
  • the lever 10 is disposed inside the door 1, and a driving input unit (not shown) is disposed inside and/or outside the door 1. More particularly, the lever 10 may be pivotably installed on an inner surface of the door 1, and the driving input unit may be freely installed at a location such as the inside of a door handle installed on an outer surface of the door 1 or a door trim armrest installed on the inner surface of the door 1. Like this, the driving input unit may be installed without being limited by location, and thus the appearance of the door 1 can be made more aesthetically pleasing.
  • the door operating member includes a pivot member 1370 configured to lock the latch 1200, an opening member, and an open plate 1700 configured to slide the opening member.
  • the opening member includes a main opening member 1300 and a sub-opening member 1400 connected to the main opening member 1300 through connection means.
  • At least a portion of the main opening member 1300 and the sub-opening member 1400 are slidably installed on a front surface of the first housing 1110.
  • the pivot member 1370 will be described below.
  • the pivot member 1370 interoperates with the main opening member 1300.
  • the pivot member 1370 is disposed in front of the first housing 1110, and pivotably installed in the second housing 1130 by a pivot shaft 1380 disposed in the front-rear direction. That is, the pivot member 1370 is disposed on a surface of the housing 1100 on which the body 1310 of the main opening member 1300 is disposed.
  • the pivot shaft 1380 is installed to pass through an upper portion of the pivot member 1370.
  • the pivot shaft 1380 is provided as a rivet and riveted to the second housing 1130.
  • the pivot member 1370 is pivotable clockwise or counterclockwise about the pivot shaft 1380.
  • a pivot member spring 1390 for returning the pivot member 1370 may be provided.
  • the pivot member spring 1390 is also provided as a coil spring such as the first return spring 1250, and first and second bent parts that are bent to correspond to the shape of the assembly may be formed at both ends of the pivot member spring 1390.
  • pivot member spring 1390 One end of the pivot member spring 1390 is supported and fixed by a pivot spring catching shaft 1391 riveted to the second housing 1130, and the other end is caught by and connected to the right of the pivot member 1370. A middle part of the pivot member spring 1390 is fit into the pivot shaft 1380.
  • the pivot member spring 1390 serves to return the pivot member 1370 to its original orientation by applying an elastic force for enabling the pivot member 1370 to pivot clockwise when the pivot member 1370 is pushed counterclockwise and then released.
  • the pivot member 1370 includes a locking part 1371 and an insertion protrusion 1373.
  • the locking part 1371 is formed by a lower left portion of the pivot member 1370 protruding leftward.
  • the locking part 1371 serves to bind (lock) the position of the latch 1200 so that the door 1 is kept closed.
  • a latch insertion recess 1372 into which a portion of an end (a first surface) of the latch 1200 is to be inserted when the door 1 is closed is formed in a lower portion of the locking part 1371.
  • the latch insertion recess 1372 is formed with an open lower portion and disposed between the locking part 1371 and the insertion protrusion 1373.
  • An insertion protrusion 1373 protruding downward is formed in a lower right portion of the locking part 1371.
  • the insertion protrusion 1373 is placed within the pivot member insertion recess 1317. That is, at least a portion (an insertion protrusion) of the pivot member 1370 is disposed in front of the body 1310 of the main opening member 1300. Accordingly, when the body 1310 of the main opening member 1300 moves in the left-right direction, the pivot member 1370 interoperates with the main opening member 1300 and rotates.
  • the insertion protrusion 1373 serves to enable the pivot member 1370 to pivot as the body 1310 of the main opening member 1300 slides.
  • an elastic cover 1374 is also provided in the pivot member 1370.
  • the elastic cover 1374 of the pivot member 1370 is formed to surround the remaining portion other than parts by which the locking part 1371 and the pivot member spring 1390 are to be caught. That is, the elastic cover 1374 of the pivot member 1370 is formed to surround the insertion protrusion 1373.
  • the elastic cover 1374 of the pivot member 1370 can absorb an impact generated between the body 1310 of the main opening member 1300 and the insertion protrusion 1373 to decrease noise.
  • an elastic member insertion hole is formed in the pivot member 1370 to pass through the pivot member 1370 in the front-rear direction, and the elastic cover 1374 of the pivot member 1370 is inserted into the elastic member insertion hole so that the elastic cover 1374 of the pivot member 1370 may be firmly kept installed in the pivot member 1370.
  • the main opening member 1300 will be described below.
  • the main opening member 1300 is slidably installed in the operating member seating recess 1112 formed in the first housing 1110. That is, the main opening member 1300 is installed on the surface of the housing 1100 on which the latch 1200 is installed.
  • the main opening member 1300 includes a slidable body 1310, a horizontal bar 1340, a driving catching part 1330, a key catching part 1320, and a first sense member 1350.
  • the body 1310, the horizontal bar 1340, the driving catching part 1330, the key catching part 1320, and the first sense member 1350 of the main opening member 1300 are formed as one body.
  • a pivot member insertion recess 1317 into which a portion of the pivot member 1370 is to be fit is formed in a lower left portion of the body 1310.
  • the pivot member insertion recess 1317 has a greater lateral width than the insertion protrusion 1373 of the pivot member 1370. Accordingly, the pivot member 1370 is pivotable about the main opening member 1300 within a certain angle.
  • the pivot member insertion recess 1317 has a greater lateral width than the insertion protrusion 1373 so that the main opening member 1300 does not move rightward when the insertion protrusion 1373 moves rightward by the pivot member 1370 being pressed by the latch. That is, the pivot member insertion recess 1317 has a greater width than the insertion protrusion 1373 in a pivotal direction of the pivot member 1370.
  • the pivot member 1370 interoperates with the main opening member 1300 and rotates rightward.
  • the pivot member insertion recess 1317 is formed with an open upper portion and an open front portion.
  • the front portion of the pivot member insertion recess 1317 is closed since the second housing 1130 is installed.
  • a lower surface forming the pivot member insertion recess 1317 is horizontally formed.
  • a catching lever seating recess 1314 in which a catching lever part 1450, which will be described below, is to be seated is formed in a left portion of the rear surface of the body 1310.
  • the catching lever seating recess 1314 is formed with an open rear portion.
  • the catching lever seating recess 1314 is formed more proximate to an upper portion of the body 1310 than to a lower portion of the body 1310.
  • the catching lever seating recess 1314 is disposed above and to the right of the pivot member insertion recess 1317.
  • a catching lever shaft insertion hole 1316 into which a catching lever shaft 1470 is to be fit in an up-down direction is formed behind and to the left of the body 1310 in the up-down direction.
  • the catching lever shaft insertion hole 1316 is formed with an open upper portion and a closed lower portion, and the catching lever shaft 1470 is fit into the upper portion of the catching lever shaft insertion hole 1316 during assembly.
  • the catching lever shaft insertion hole 1316 is formed to communicate with the catching lever seating recess 1314.
  • a second return spring catching part 1318 in which a second return spring 1460 is to be seated is formed in a left portion of the rear surface of the body 1310.
  • the second return spring catching part 1318 is formed with an open rear portion.
  • the second return spring catching part 1318 communicates with a lower portion of the catching lever seating recess 1314.
  • a sub-opening member insertion recess 1315 into which the sub-opening member 1400 is to be inserted is formed in a right portion of the rear surface of the body 1310.
  • the sub-opening member insertion recess 1315 is formed with an open right portion in the left-right direction.
  • the sub-opening member 1400 may be guided when moving in the left-right direction.
  • the sub-opening member insertion recess 1315 is disposed above and to the right of the pivot member insertion recess 1317.
  • a sub-opening member guide recess 1315a is formed in an upper right portion of the body 1310 in the left-right direction.
  • the sub-opening member guide recess 1315a is disposed in front of the sub-opening member insertion recess 1315 to communicate with the sub-opening member insertion recess 1315.
  • a catching protrusion insertion hole 1319 into which a catching protrusion 1455 is to be inserted is formed in a right portion of the rear surface of the body 1310.
  • the catching protrusion insertion hole 1319 communicates with the sub-opening member insertion recess 1315.
  • the body 1310 is formed as described above, and the sub-opening member 1400 is disposed inside the main opening member 1300.
  • a second spring fitting protrusion 1311 is formed to the right of the body 1310 to protrude rightward.
  • a second spring 1313 is fit into the second spring fitting protrusion 1311.
  • the second spring 1313 is disposed between a right portion of the body 1310 and a second spring seating recess of the first housing 1110.
  • the second spring 1313 and a first spring 1803, which will be described below, serve to slide the body 1310, which has been slid rightward by external force, leftward by using elastic restoring force of the springs when the external force is removed, in order to return the body 1310 to its original orientation.
  • a first sense member 1350 is formed in an upper left portion of the body 1310 to protrude rearward.
  • the first sense member 1350 is disposed to the left of the catching lever seating recess 1314.
  • a first sense part 1351 such as a magnet is installed on an upper surface of the first sense member 1350.
  • the first sense part 1351 is sensed by a fifth sensor 1905 disposed at a position corresponding to the first sense part 1351 on a PCB 1920 through an open rear portion of the operating member seating recess 1112.
  • a control unit (not shown), which will be described below, receives such a sensed signal and controls the motor 1610.
  • the horizontal bar 1340 is elongated leftward from a lower left portion of the body 1310.
  • the horizontal bar 1340 slides in a load guide recess 1116 so that the body 1310 of the main opening member 1300 may stably slide.
  • a driving catching part 1330 is disposed behind the pivot member insertion recess 1317 and formed to protrude rearward.
  • the driving catching part 1330 is formed in a bar shape.
  • the driving catching part 1330 is installed to pass through a driving catching part through-hole 1118.
  • the driving catching part 1330 has a rear end disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the key catching part 1320 is disposed to the right of the driving catching part 1330.
  • the key catching part 1320 is installed to pass through a key catching part through-hole 1119.
  • the key catching part 1320 has a rear end disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the key catching part 1320 is formed integrally with the body 1310 and formed on a horizontal plate. The plate is guided by a guide recess formed on the front surface of the first housing 1110.
  • connection means will be described below.
  • the connection means includes a catching lever part 1450 pivotably installed in any one of the main opening member 1300 and the sub-opening member 1400 wherein a catching protrusion 1455 is formed in the catching lever part 1450; and a catching bump 1405 formed in the other one of the main opening member 1300 and the sub-opening member 1400 wherein the catching protrusion 1455 is caught by the catching bump 1405.
  • the connection means moves both the main opening member 1300 and the sub-opening member 1400 or only the sub-opening member 1400. That is, the connection means serves as a clutch that may or may not transfer a force for pulling out the lever 10 to the main opening member 1300.
  • connection means may be in the form as shown in Korean Patent Publication No. 2016-0082671, different from the above description.
  • the catching lever part 1450 is pivotably installed on the rear surface of the body 1310 of the main opening member 1300. Unlike the above description, the catching lever part 1450 may be formed in the sub-opening member 1400.
  • the catching lever part 1450 is formed in a bar shape, and the catching protrusion 1455 protruding forward is formed at a right side end of the catching lever part 1450.
  • a hole 1451 through which the catching lever shaft 1470 is to pass is formed at a left side end of the catching lever part 1450 in the up-down direction.
  • the catching lever part 1450 is pivotably installed in the body 1310 through the catching lever shaft 1470 installed in the body 1310 in the up-down direction.
  • a protrusion guide part 1507 is formed in a locking member 1500, which will be described below, and a locking protrusion 1453 is formed in the catching lever part 1450.
  • the catching lever part 1450 moves (or pivots) as the protrusion guide part 1507 guides the locking protrusion 1453.
  • the locking protrusion 1453 is formed to the right of the catching lever part 1450.
  • the locking protrusion 1453 is formed to interoperate between the locking member 1500 and the catching lever part 1450.
  • the locking protrusion 1453 formed in the catching lever part 1450 is formed to protrude downward.
  • the locking protrusion 1453 is guided by an inclined surface 1511 formed in the locking member 1500, which will be described below, to make the catching lever part 1450 pivot.
  • a second return spring 1460 for returning the catching lever part 1450 to its original orientation is installed in the catching lever part 1450.
  • the second return spring 1460 includes a coil unit 1461 with a coil shape and one end with a straight-line shape.
  • the coil unit 1461 is fit into the catching lever shaft 1470 and fixed in location.
  • the coil unit 1461 is disposed below the catching lever part 1450.
  • the coil unit 1461 is seated in the catching lever seating recess 1314.
  • One end of the second return spring 1460 includes a first bent part 1462 bent rearward, a second bent part 1463 disposed in the left-right direction, and a third bent part 1464 bent forward.
  • the third bent part 1464 is caught by the locking protrusion 1453, and the second return spring 1460 is connected to the catching lever part 1450.
  • the other end of the second return spring 1460 is bent downward and supported by the second return spring catching part 1318 of the main opening member 1300.
  • the one end of the second return spring 1460 is caught by the catching lever part 1450, and the other end of the second return spring 1460 is supported by the main opening member 1300.
  • the catching lever part 1450 pivots by a force applied to the catching lever part 1450 to move the catching protrusion 1455 rearward. Then, when the applied force is removed, the catching lever part 1450 pivots in the opposite direction due to an elastic restoring force of the second return spring 1460, and thus the catching protrusion 1455 returns to its original state (moves forward).
  • the sub-opening member 1400 will be described below.
  • the sub-opening member 1400 is disposed behind and to the right of the main opening member 1300.
  • the sub-opening member 1400 is inserted into the sub-opening member insertion recess 1315 of the main opening member 1300. Accordingly, the sub-opening member 1400 is slidably installed with respect to the main opening member 1300 in the left-right direction.
  • the center of the sub-opening member 1400 is disposed above the center of the latch 1200.
  • the sub-opening member 1400 is slidably installed in the operating member seating recess 1112 formed in the first housing 1110.
  • the sub-opening member 1400 is moved by the lever 10.
  • the sub-opening member 1400 may have rounded upper and lower left corners and thus may smoothly slide with respect to the main opening member 1300 in the left-right direction.
  • a lever connection part 1800 is directly connected to the sub-opening member 1400. Unlike this, another member is provided between the sub-opening member 1400 and the lever connection part 1800, and the sub-opening member 1400 and the lever connection part 1800 may be indirectly connected to each other.
  • the lever connection part 1800 is connected to the lever 10, which is disposed inside the door 1.
  • the lever connection part 1800 is provided by using wires.
  • a catching member 1801 is formed at one end of the lever connection part 1800.
  • the sub-opening member 1400 includes a catching member seating recess 1401, an opening member guide protrusion 1404, a first spring fitting protrusion 1402, and a catching bump 1405.
  • the catching member seating recess 1401 has an open front portion.
  • the catching member 1801 is seated in the catching member seating recess 1401.
  • the catching member seating recess 1401 is formed to correspond to the shape of the catching member 1801, which is a vertically long cylindrical shape. Accordingly, even when the lever 10 is pulled out, the catching member 1801 is prevented from falling out of the sub-opening member 1400.
  • the catching member 1801 placed in the catching member seating recess 1401 does not fall out forward.
  • a pull-out hole 1403 from which the lever connection part 1800 is to be pulled out is communicably formed at the right side end of the catching member seating recess 1401, and the pull-out hole 1403 has a smaller diameter than the catching member 1801. Thus, even when the lever connection part 1800 is pulled rightward, the catching member 1801 does not fall out of the pull-out hole 1403.
  • the sub-opening member 1400 slides rightward by the lever connection part 1800 being pulled out rightward. That is, when the lever 10 is pulled toward a user, the sub-opening member 1400 slides rightward.
  • An opening member guide protrusion 1404 is formed in an upper or lower portion of the sub-opening member 1400 to protrude forward.
  • the opening member guide protrusion 1404 is elongated in the left-right direction.
  • the opening member guide protrusion 1404 is formed in the shape of a horizontal plate.
  • the opening member guide protrusion 1404 is inserted into the sub-opening member guide recess 1315a and then guided. Also, the opening member guide protrusion 1404 may prevent failures by serving to prevent misassembly.
  • the first spring 1803 is fit into the lever connection part 1800 in proximity to the catching member 1801.
  • the first spring fitting protrusion 1402 is formed in upper and lower portions of the pull-out hole 1403 disposed at a right side end of the sub-opening member 1400 to protrude rightward. A left side end of the first spring 1803 is fit into the first spring fitting protrusion 1402.
  • the first spring 1803 is disposed between the right side end of the sub-opening member 1400 and the first spring seating recess 1117 of the first housing 1110.
  • the catching bump 1405 by which the catching protrusion 1455 of the catching lever part 1450 is to be caught is formed in the sub-opening member 1400.
  • the catching bump 1405 is formed on the rear surface of the sub-opening member 1400.
  • the catching bump 1405 is formed by a rear left portion of the sub-opening member 1400 protruding further rearward than rightward.
  • the catching bump 1405 has an inclined right surface, and thus the catching protrusion 1455 does not easily fall out after being caught by the catching bump 1405.
  • the catching protrusion 1455 of the catching lever part 1450 may be caught by or fall out of the catching bump 1405.
  • this state indicates a state in which the door 1 is unlocked.
  • this state indicates a state in which the door 1 is locked.
  • a guide tube 1805 is fit into a part of the lever connection part 1800 pulled out of the housing 1100.
  • the guide tube 1805 is bent to guide a wire of the lever connection part 1800 rearward.
  • the guide tube 1805 has a left side end installed in an upper right portion of the first housing 1110. As shown in FIG. 11, by using the guide tube 1805, the wire of the lever connection part 1800 is not twisted but smoothly connected to the lever 10 along a direction of the lever 10.
  • the vehicle door latch system 5 has a front surface installed in a rear surface of the door, a right surface installed to face an upper portion of the door 1, a left surface installed to face a lower portion of the door 1, and a rear surface installed to face a front surface of the door 1.
  • the lever connection part 1800 and electric wires of the vehicle door latch system 5 installed in the door 1 are disposed more proximate to an inner surface of the door 1 than to an outer surface of the door 1, and thus interference by a glass 30 disposed between the inner surface and the outer surface of the door 1 is prevented.
  • the driving unit will be described below.
  • the driving unit moves or rotates at least one member.
  • the driving unit includes a first driving unit 1600 configured to slide a slidably installed component among the components of the main opening member 1300 and a second driving unit 1650 configured to move the locking member 1500.
  • the first driving unit 1600 includes a motor 1610 and a gear unit interoperating with the motor 1610.
  • the first driving unit 1600 may rotate the latch 1200 to lock the latch 1200 so that the door operating member is caught by the latch 1200 or may slide the main opening member 1300 to unlock the latch 1200. That is, the first driving unit 1600 may perform two roles such that the number of components of an apparatus is reduced and the apparatus becomes compact.
  • the first driving unit 1600 is disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the motor 1610 is electrically connected to the PCB 1920.
  • the motor 1610 of the first driving unit 1600 is operated by a driving input unit disposed inside and/or outside the vehicle.
  • the motor 1610 is installed in an upper left portion of the housing 1100 to have a shaft disposed in the left-right direction. According to the disposition of the motor 1610, it is possible to assign various functions to an apparatus and also prevent the apparatus from being interfered by components disposed inside the door 1.
  • the gear unit is a deceleration part that decelerates and transfers a rotational force of the motor 1610.
  • the gear unit includes a first worm 1613, a first worm gear 1621 rotated by the first worm 1613, a second worm 1622 installed in the first worm gear 1621, and a second worm gear rotated by the second worm 1622.
  • the first worm 1613 is installed in the shaft of the motor 1610.
  • An intermediate worm gear 1614 is disposed between the first worm 1613 and the first worm gear 1621. That is, the first worm 1613 is interlocked with the intermediate worm gear 1614, and the first worm gear 1621 is interlocked with the intermediate worm gear 1614. Due to the intermediate worm gear 1614, the motor 1610 may be disposed at various locations.
  • the intermediate worm gear 1614 has a shaft disposed in the up-down direction.
  • first worm gear 1621 and the second worm 1622 formed integrally with the first worm gear 1621 are each referred to as a deceleration gear 1620.
  • the deceleration gear 1620 has a shaft disposed in the up-down direction.
  • the first worm gear 1621 is disposed above the second worm 1622.
  • the first worm gear 1621 and the second worm 1622 have the same or similar maximum outer diameters.
  • the first worm 1613 rotates.
  • the first worm gear 1621 rotates.
  • the second worm 1622 which is formed integrally with the first worm gear 1621, rotates.
  • a main gear 1630 which is the second worm gear, rotates.
  • the shaft of the deceleration gear 1620 is pivotably installed in a deceleration gear shaft support plate 1623. That is, a shaft through-hole into which the shaft of the deceleration gear 1620 is to be fit is formed in the deceleration gear shaft support plate 1623 in the up-down direction.
  • Such deceleration gear shaft support plates 1623 are disposed in upper and lower portions of the deceleration gear 1620.
  • a support plate insertion recess into which the deceleration gear shaft support plate 1623 is to be inserted is formed on the rear surface of the first housing 1110 and a front surface of a terminal panel 1900, which will be described below.
  • the deceleration gear 1620 may be easily installed in the housing 1100.
  • the deceleration gear shaft support plate 1623 is formed in a rectangular shape, and the shaft through-hole is tilted to a rear portion of the deceleration gear shaft support plate 1623. Since the deceleration gear shaft support plate 1623 is formed in this way, the deceleration gear shaft support plate 1623 may be stably inserted into the support plate insertion recess. Thus, it is possible to facilitate installation of the deceleration gear shaft support plate 1623 in the housing 1100 and also to increase a coupling force of the deceleration gear shaft support plate 1623.
  • the main gear 1630 receives a driving force of the motor 1610 via the deceleration gear 1620.
  • An insertion hole 1636 into which the main gear shaft 1114 is to be inserted is formed at the center of the main gear 1630, and the main gear 1630 rotates around the main gear shaft 1114 disposed in the front-rear direction.
  • a circular protrusion 1637 is formed around the insertion hole 1636.
  • Several such protrusions 1637 are formed in a concentric shape.
  • a non-gear unit 1643 in which no gear teeth are formed is formed in a portion of an outer circumferential surface of the main gear 1630.
  • the gear teeth of the main gear 1630 are formed not in the entire circumference but only in a portion of the circumference.
  • a catching part 1631 configured to rotate the latch 1200 is formed in the non-gear unit 1643 of the main gear 1630.
  • the catching part 1631 is formed in a bar shape to protrude forward.
  • the catching part 1631 serves to automatically rotate the latch 1200 by a driving force of the motor 1610 to bind the latch 1200 to the pivot member 1370 and the main opening member 1300 even when a user closes the door 1 to some extent but not completely.
  • a first main gear sense part 1632 and a second main gear sense part 1633 that are sensed by a third sensor 1903 are provided on an outer circumferential surface of the main gear 1630.
  • the first main gear sense part 1632 is formed integrally with a rear portion of the catching part 1631.
  • the first main gear sense part 1632 and the second main gear sense part 1633 are spaced apart from each other along a circumferential direction.
  • the second main gear sense part 1633 is disposed to the right of the first main gear sense part 1632.
  • the first main gear sense part 1632 and the second main gear sense part 1633 are formed on the outer circumferential surface of the main gear 1630 to protrude outward.
  • the first main gear sense part 1632 and the second main gear sense part 1633 may be formed with a simple structure.
  • the first main gear sense part 1632 and the second main gear sense part 1633 are formed in the non-gear unit 1643 of the main gear 1630.
  • Each of the first main gear sense part 1632 and the second main gear sense part 1633 may have an outer circumferential surface that is inclined to protrude more outward toward the center, thereby smoothly pressing the third sensor 1903, which is provided as a limit switch.
  • the main gear 1630 is disposed between the open plate 1700 and the rear surface of the first housing 1110. That is, the open plate 1700 is disposed behind the main gear 1630.
  • a door operating member catching part 1635 by which the driving unit catching part 1707 of the open plate 1700 is to be caught is formed on the rear surface of the main gear 1630 to protrude rearward.
  • the door operating member catching part 1635 is disposed between the first main gear sense part 1632 and the second main gear sense part 1633 and disposed closer to the first main gear sense part 1632 than to the second main gear sense part 1633.
  • the first driving unit 1600 moves the open plate 1700 through the door operating member catching part 1635.
  • the second main gear sense part 1633 is disposed in front of the open plate 1700, and thus is not caught by the open plate 1700 when the main gear 1630 rotates.
  • the open plate 1700 is slidable with respect to the main opening member 1300.
  • the open plate 1700 is formed in a plate shape and disposed in the left-right direction.
  • a driving unit catching part 1707 is formed in a lower left portion of the open plate 1700.
  • a guide hole 1704 is formed in the open plate 1700 and disposed above the driving unit catching part 1707.
  • the guide hole 1704 is elongated in the left-right direction and formed to pass through the open plate 1700 in the front-rear direction. Also, the guide hole 1704 is formed with an open left portion. By using the guide hole 1704, the open plate 1700 is smoothly slidable in the left-right direction.
  • An interference avoiding hole 1703 is formed in the open plate 1700 and disposed above the guide hole 1704.
  • the interference avoiding hole 1703 is formed to pass through the open plate 1700 in the front-rear direction and elongated in the left-right direction.
  • the main gear shaft 1114 passes through the interference avoiding hole 1703.
  • the interference avoiding hole 1703 may serve as a guide during sliding.
  • a bent part 1705 is formed to the right of the interference avoiding hole 1703 of the open plate 1700.
  • the bent part 1705 is bent to protrude rearward relative to its adjacent areas.
  • a second sense part 1702 is formed to the right of the bent part 1705.
  • the second sense part 1702 is formed to protrude rearward relative to its adjacent areas.
  • a locking member contact part 1706 is formed in front of the second sense part 1702. Two such locking member contact parts 1706 are formed to protrude forward. Each of the locking member contact parts 1706 is formed in the shape of a horizontal plate elongated in the left-right direction. The two locking member contact parts 1706 are spaced apart from each other in the up-down direction.
  • the main opening member catching part 1701 to be caught by the driving catching part 1330 of the main opening member 1300 is formed in the open plate 1700.
  • the main opening member catching part 1701 is disposed to the right of the driving unit catching part 1707 and formed to protrude forward relative to its adjacent areas. Due to the main opening member catching part 1701, the main opening member 1300 moves rightward when the open plate 1700 moves rightward.
  • a key connector 1550 will be described below.
  • the main opening member 1300 may be slid through the key connector 1550.
  • the key connector 1550 is pivotably installed in the housing 1100.
  • the key connector 1550 is disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the key connector 1550 is seated and installed in the key connector installation parts 1127 and 1936 formed between the rear surface of the first housing 1110 and the front surface of the terminal panel 1900.
  • the key connector 1550 includes a head 1551 in which a key insertion recess with a cross shape or a straight shape is formed and a wing part 1553 having a key connector cut part 1555 obtained by cutting a portion of a circular plate with a greater diameter than the head 1551.
  • the head 1551 is formed behind the key connector 1550.
  • the head 1551 is formed in a cylindrical shape.
  • a bunch of keys separately installed in the door 1 are connected to the key insertion recess.
  • Catching bumps are formed around an outer circumferential surface of the head 1551.
  • the wing part 1553 is formed in an upper portion of the key connector 1550 and formed integrally with the head 1551.
  • a surface cut in the wing part 1553 has an arc shape.
  • the key connector cut part 1555 may have a central angle of about 180 degrees and may be changed according to a customer's requirements.
  • the key connector cut part 1555 has a depth greater than a vertical height of the wing part 1553.
  • the key catching part 1320 of the main opening member 1300 is positioned in the key connector cut part 1555.
  • two rotation catching parts by which the key catching part 1320 is to be caught are formed at both sides of the wing part 1553 and spaced apart from each other in a circumferential direction.
  • the rotation catching part includes a first rotation catching part 1552 and a second rotation catching part 1554.
  • the main opening member 1300 slides leftward or rightward according to the rotation of the key connector 1550.
  • the wing part 1553 also rotates. Accordingly, the main opening member 1300 may be slid in the left-right direction even when the first driving unit 1600 is not operated. Thus, the door 1 is allowed to be opened through the key even when a vehicle battery has been discharged or even when the first driving unit 1600 fails.
  • the main opening member 1300 linearly moves due to the rotation of the key connector 1550.
  • An inclined surface 1556 is formed below the first and second rotation catching parts 1552 and 1554.
  • the inclined surface 1556 is formed so that vertical thicknesses of the first and second rotation catching parts 1552 and 1554 decrease toward ends thereof. Since the first and second rotation catching parts 1552 and 1554 are formed in this way, the key connector 1550 is prevented from being caught by other members when rotating, and thus operability is improved.
  • the locking member 1500 will be described below.
  • the locking member 1500 does not allow the door 1 to be opened even when the lever 10 is pulled out.
  • the locking member 1500 moves (pivots) the catching protrusion 1455 of the catching lever part 1450 of the connection means rearward to separate the sub-opening member 1400 from the main opening member 1300.
  • the locking member 1500 is formed in a plate shape and elongated in the left-right direction.
  • the locking member 1500 is slidably installed in a right portion of the rear surface of the first housing 1110.
  • a protrusion guide part 1507 and a locking catching part 1502 are formed in the locking member 1500.
  • the protrusion guide part 1507 is disposed in a left portion of the locking member 1500.
  • the protrusion guide part 1507 is disposed in a front surface of the locking member 1500 to protrude forward. That is, the protrusion guide part 1507 is formed to protrude toward the catching lever part 1450.
  • the protrusion guide part 1507 is formed in a strip shape and formed to protrude forward. An end of the protrusion guide part 1507 is bent rightward and then forward. Accordingly, an insertion space 1509 into which the locking protrusion 1453 is to be inserted is formed between the protrusion guide part 1507 and a front surface of the locking member 1500.
  • the insertion space 1509 is formed with open upper, lower, and right portions.
  • An inclined surface 1511 is formed on an inner surface of the protrusion guide part 1507 (a surface in contact with the locking protrusion 1453), and a distance between the front surface and the rear surface of the insertion space 1509 decreases to the left.
  • the protrusion guide part 1507 may smoothly guide the locking protrusion 1453 rearward.
  • the catching lever part 1450 pivots as the protrusion guide part 1507 guides the locking protrusion 1453 rearward.
  • the catching lever part 1450 falls out of the catching bump 1405 due to sliding of the locking member 1500, only the sub-opening member 1400 slides (i.e., the door is locked) even if the lever 10 is pulled out.
  • the locking catching part 1502 is formed on a rear surface of the locking member 1500 to protrude rearward.
  • the locking catching part 1502 is caught by the second driving unit 1650 and also is sensed by a fourth sensor 1904.
  • a stopper protrusion is formed in one of the first housing 1110 and the locking member 1500 to protrude outward, and a stopper slot 1571 into which the stopper protrusion is to be inserted is formed in the other thereof.
  • the stopper protrusion is formed on the rear surface of the first housing 1110 to protrude rearward, and the stopper slot 1571 is formed at a right side of the locking member 1500.
  • the stopper slot 1571 is formed in a lower right portion of the locking member 1500 in the left-right direction.
  • the stopper slot 1571 is formed to pass through the locking member 1500 in the front-rear direction.
  • Both ends of the stopper slot 1571 have greater vertical widths than the center thereof. That is, a slim part 1576 is formed at the center of the stopper slot 1571.
  • the locking member 1500 are stably placed at a locking position or an unlocking position unless a separate force is applied. Accordingly, the locking member 1500 is prevented from malfunctioning due to an external impact.
  • slits 1578 passing through the locking member 1500 in the front-rear direction are formed above or below the slim part 1576 of the stopper slot 1571.
  • the locking member 1500 may be elastically deformed smoothly when the stopper protrusion passes through the slim part 1576 of the stopper slot 1571.
  • a guide piece is formed in upper and lower portions of the stopper slot 1571 to protrude forward and disposed on the front surface of the locking member 1500.
  • the guide piece is horizontally formed in the left-right direction.
  • a second driving unit 1650 for driving the locking member 1500 will be described below.
  • the second driving unit 1650 is installed in a lower right portion of the rear surface of the first housing 1110.
  • the second driving unit 1650 is disposed below the locking member 1500.
  • the second driving unit 1650 includes a motor 1651, a worm 1652 installed at a shaft of the motor 1651, and a screw gear 1653 rotated by the worm 1652.
  • the shaft of the motor 1651 is disposed in the left-right direction, and thus it is possible to minimize interference by other components of the door 1.
  • the motor 1651 of the second driving unit 1650 is smaller than the motor 1610 of the first driving unit 1600.
  • the motor 1651 is installed in a locking motor support part formed in a lower right portion of the rear surface of the first housing 1110.
  • a shaft 1106 of the screw gear 1653 is disposed in the front-rear direction.
  • the shaft 1106 is formed on the rear surface of the first housing 1110 to protrude rearward.
  • a locking catching part through-opening 1654 through which the locking catching part 1502 is to pass is formed above the screw gear 1653.
  • the locking catching part through-opening 1654 is formed to pass through the screw gear 1653 in the front-rear direction and formed with an open upper portion.
  • the locking catching part through-opening 1654 is formed by cutting a portion of an outer circumferential surface of the screw gear 1653.
  • a first catching part 1655 and a second catching part 1656 to be caught by the locking catching part 1502 are formed in the screw gear 1653.
  • the locking member 1500 slides leftward or rightward.
  • a PCB 1920 and sensors included in the vehicle door latch system 5 will be described below.
  • the PCB 1920 is inserted into a PCB insertion part 1154 and installed in the housing 1100.
  • the PCB 1920 is horizontally disposed between the first housing 1110 and the third housing 1150. That is, the PCB 1920 is disposed inside the housing 1100 in which the latch 1200 is installed.
  • the PCB 1920 Since the PCB 1920 is installed as described above, the PCB 1920 is disposed above the striker insertion recess 1105 when the vehicle door latch system 5 is installed in the door 1. Thus, the PCB 1920 is prevented from becoming wet.
  • Each of the sensors senses movement or rotation of at least one component.
  • the sensors include a first sensor 1901, a second sensor 1902, a third sensor 1903, a fourth sensor 1904, a fifth sensor 1905, and a sixth sensor 1906.
  • the sensors are connected to the PCB 1920.
  • the first sensor 1901, the second sensor 1902, the third sensor 1903, and the fourth sensor 1904 may be provided as switches such as a limit switch.
  • the first sensor 1901, the second sensor 1902, the third sensor 1903, and the fourth sensor 1904 are disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the first sensor 1901 senses whether the latch 1200 is pressed by the striker 1101 to rotate until the locking part 1371 is caught by the auxiliary locking recess 1202. That is, the first sensor 1901 senses whether the door 1 is incompletely closed.
  • the first sensor 1901 is disposed below the striker insertion recess 1105.
  • the second sensor 1902 senses whether the locking part 1371 is caught by the locking recess 1201 to completely close the door 1.
  • the first sensor 1901 and the second sensor 1902 may have respective sensor pressing members.
  • the sensor pressing members are inserted into a sensor insertion hole 1129 formed to pass through the first housing 1110 in the front-rear direction and are slid in the front-rear direction.
  • the sensor pressing members are pushed rearward by the latch 1200 to press the first sensor 1901 and the second sensor 1902. Due to the sensor pressing members, the latch 1200 disposed in front of the first housing 1110 may easily press the first sensor 1901 and the second sensor 1902 disposed behind the first housing 1110, thus decreasing the number of components and facilitating installation of an apparatus.
  • a front surface of each of the sensor pressing members in contact with the rear surface of the latch 1200 is inclined to protrude forward toward the bottom. Accordingly, when the latch 1200 rotates, the sensor pressing members may be smoothly slid rearward.
  • the sensor pressing member of the second sensor 1902 is disposed behind and to the left of the sensor pressing member of the first sensor 1901.
  • the first sensor 1901 and the second sensor 1902 are separately provided to have the following effects.
  • the first sensor 1901 senses this situation, and then the control unit activates an automatic door closing function (cinching) to completely close the door 1.
  • the second sensor 1902 senses this situation, and then the control unit does not activate the automatic door closing function. Accordingly, the motor 1610 need not be unnecessarily operated.
  • the control unit When the door 1 is not completely closed due to a malfunction (short-circuit or interference) while the automatic door closing function is activated (i.e., when this situation is not sensed by the second sensor 1902), the control unit re-operates the motor 1610 to completely close the door 1 until this situation is sensed by the second sensor 1902.
  • control unit may enable the door 1 to be closed only when the latch 1200 is detected by the second sensor 1902 (i.e., when the door is completely closed).
  • the third sensor 1903 is disposed near the catching part guide recess 1115.
  • the third sensor 1903 serves to check whether the main gear 1630 has returned to its original orientation (i.e., a default position).
  • the fourth sensor 1904 serves to check whether the locking member 1500 is operated.
  • the fourth sensor 1904 is disposed behind the locking member 1500.
  • the locking member 1500 is sensed by the fourth sensor 1904 when the locking member 1500 is at an unlocking position.
  • the fifth sensor 1905 and the sixth sensor 1906 are installed in the PCB 1920.
  • the fifth sensor 1905 and the sixth sensor 1906 are provided as a sensor for sensing a magnet.
  • the fifth sensor 1905 and the sixth sensor 1906 are arranged on the same line in the front-rear direction.
  • the fifth sensor 1905 is disposed in front of the sixth sensor 1906.
  • the fifth sensor 1905 and the sixth sensor 1906 are installed on a rear surface of the PCB 1920.
  • the fifth sensor 1905 senses movement of the first sense part 1351 formed in the main opening member 1300.
  • the door 1 is allowed to be opened.
  • the sixth sensor 1906 senses movement of the second sense part 1702 formed in the open plate 1700, which will be described below. When the second sense part 1702 is sensed by the sixth sensor 1906, this means that sliding of the open plate 1700 to open the door 1 is complete.
  • a signal of each sensor may be transferred to a vehicle ECU or the like and shown to a driver through lighting or the like.
  • the control unit for receiving signals from the first sensor 1901, the second sensor 1902, the third sensor 1903, the fourth sensor 1904, the fifth sensor 1905, and the sixth sensor 1906 and controlling the first driving unit 1600 and the second driving unit 1650, which will be described below, is further included.
  • control unit receives a signal in communication with the vehicle ECU and controls the first driving unit 1600 and the second driving unit 1650 according to a required function.
  • the terminal panel 1900 will be described below.
  • Electric wires 1911 connected to the first sensor 1901, the second sensor 1902, the third sensor 1903, and the fourth sensor 1904 for sensing movement or rotation of at least one member and the motors 1610 and 1651 for moving and rotating at least one member are inserted into the terminal panel 1900.
  • a plurality of position fixing holes passing through the electric wires 1911 are formed to pass through the terminal panel 1900 in the front-rear direction.
  • the plurality of position fixing holes are formed on each of the electric wires 1911.
  • Such a position fixing hole has a diameter smaller than a maximum width of the electric wires 1911, and thus, due to the position fixing hole, the electric wires 1911 are not disconnected.
  • a support pin for supporting positions of the electric wires 1911 may be inserted into the position fixing hole, thus preventing the electric wires 1911 from being moved or bent due to injection pressure.
  • an electric-wire separation hole passing through a connection line connecting the electric wires 1911 is formed in the terminal panel 1900 in the front-rear direction.
  • the electric-wire separation hole has a diameter greater than a maximum width of the connection line, and two or three electric wires 1911 that were connected by the connection line are disconnected.
  • a distance between several electric wires 1911 disposed near one another may be maintained during injection.
  • the electric-wire separation hole is punched after the injection is complete.
  • the terminal panel 1900 By providing the terminal panel 1900 separately from the housing 1100, it is possible to prevent the electric wires from being bent or short-circuited by injection pressure.
  • the terminal panel 1900 is disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the terminal panel 1900 is formed in the shape of a plate corresponding to the rear surface of the first housing 1110 or the front surface of the third housing 1150.
  • a terminal boss 1951 corresponding to the first and second coupling parts 1121 and 1152 is formed at an edge of the terminal panel 1900.
  • the terminal boss 1951 is formed to protrude forward relative to its adjacent areas and even protrude rearward.
  • a forward protruding part has greater inner and outer diameters than a rearward protruding part.
  • the first coupling part 1121 is inserted into the forward protruding part of the terminal boss 1951.
  • the rearward protruding part of the terminal boss 1951 is inserted into the second coupling part 1152. This makes preliminary assembly and coupling operations easier.
  • the terminal boss 1951 may be firmly fixed by coupling bolts to the second coupling part 1152, the terminal boss 1951, and the first coupling part 1121. Also, when the first housing 1110 and the third housing 1150 are assembled, the terminal panel 1900 may also be assembled. This makes the assembly process simple.
  • a guide boss seating part 1952 is formed at a position corresponding to the guide boss 1122 in the terminal panel 1900 to protrude forward.
  • a recess with an open front portion is formed in the guide boss seating part 1952.
  • a cut part 1953 is formed at a position corresponding to the assembly hook 1155 of the edge of the terminal panel 1900 so that the terminal panel 1900 may be easily hooked.
  • a sensor seating part 1931 is formed on the front surface of the terminal panel 1900.
  • One such sensor seating part 1931 is formed in a left portion, two such sensor seating parts 1931 are formed in a lower portion, and one such sensor seating part 1931 is formed in a right portion.
  • a seating recess with an open front potion is formed in the sensor seating part 1931.
  • the third sensor 1903 is seated in the sensor seating part 1931 disposed in the left portion
  • the first and second sensors 1901 and 1902 are seated in the sensor seating parts 1931 disposed in the lower portion
  • the fourth sensor 1904 is seated in the sensor seating part 1931 disposed in the right portion.
  • One end of the electric wire 1911 connect to each sensor is pulled out inside the seating recess of each sensor seating part 1931. That is, one end of each electric wire is exposed to the outside.
  • An electric wire fitting recess with an open front portion into which an electric connection wire formed in each sensor is to be fit is formed at the one end of the electric wire 1911 disposed in the sensor seating part 1931.
  • a shaft support part 1932 to be inserted into a recess formed in the main gear shaft 1114 is formed on the front surface of the terminal panel 1900 to protrude forward.
  • a main gear contact part 1939 in contact with the rear surface of the main gear 1630 is formed on the front surface of the terminal panel 1900 to protrude forward.
  • the main gear contact part 1939 is formed in the shape of several arcs with different diameters.
  • a guide part 1933 for guiding sliding of the open plate 1700 in the left-right direction is formed on the front surface of the terminal panel 1900.
  • the guide part 1933 may be formed in the shape of a plate formed in the left-right direction and also may be formed to protrude forward.
  • Such guide parts 1933 are disposed in upper and lower portions of the shaft support part 1932 and spaced apart from each other. The guide part 1933 disposed in the lower portion is inserted into the guide hole 1704 of the open plate 1700.
  • a gear through-hole 1942 is formed in the terminal panel 1900 and disposed to the right of the guide part 1933.
  • the intermediate worm gear 1614 of the gear unit passes through the gear through-hole 1942.
  • a gear installation part 1938 in which the intermediate worm gear 1614 and the first worm 1613 are to be installed is formed on the rear surface of the terminal panel 1900.
  • the gear installation part 1938 is formed to protrude rearward to surround the gear through-hole 1942.
  • a bent-part hole 1941 into which the bent part 1705 of the open plate 1700 is to be inserted is formed in the terminal panel 1900, and is disposed to the right of the guide part 1933.
  • the bent-part hole 1941 is elongated in the left-right direction and formed to pass through the terminal panel 1900 in the front-rear direction.
  • the bent-part hole 1941 is disposed below the gear through-hole 1942.
  • a support plate installation part 1935 is formed in the terminal panel 1900 to protrude forward and is disposed in an upper portion of the gear through-hole 1942 and a lower portion of the bent-part hole 1941.
  • the deceleration gear shaft support plate 1623 of the gear unit is installed in the support plate installation part 1935.
  • a support plate insertion recess into which the deceleration gear shaft support plate 1623 is to be inserted is formed with an open front potion in the support plate installation part 1935.
  • a PCB seating part 1914 is formed on the rear surface of the terminal panel 1900. Accordingly, the PCB 1920 is disposed behind the terminal panel 1900. The PCB 1920 is disposed between the rear surface of the first housing 1110 and the front surface of the third housing 1150.
  • the PCB seating part 1914 is formed to protrude forward and thus may serve to guide the locking catching part 1502 of the locking member 1500.
  • a seating recess formed in the PCB seating part 1914 has an open upper portion and an open rear portion.
  • a front side of the PCB 1920 and a connector 1921 installed in the PCB 1920 are seated in the PCB seating part 1914.
  • a first through-hole 1943 through which the first sense part 1351 of the main opening member 1300 and the second sense part 1702 of the open plate 1700 are to pass is formed in the terminal panel 1900.
  • the first through-hole 1943 is formed to pass through the terminal panel 1900 in the front-rear direction and disposed to the right of the gear through-hole 1942.
  • the first through-hole 1943 is formed to communicate with a left side of the seating recess formed in the PCB seating part 1914.
  • One end of an electric wire 1911 connected to the PCB 1920 is pulled out from one side of the terminal panel 1900.
  • a second through-hole 1915 is formed to pass through the terminal panel 1900 in the front-rear direction.
  • the second through-hole 1915 communicates with the seating recess formed in the PCB seating part 1914.
  • the second through-hole 1915 is disposed to the right of the first through-hole 1943.
  • One end of the wire 1911 is pulled out through the second through-hole 1915 in the up-down direction.
  • the end of the wire 1911 pulled out through the second through-hole 1915 is bent rearward and disposed inside the PCB seating part 1914.
  • the second through-hole 1915 By using the second through-hole 1915, it is possible to prevent a short-circuit because a part pulled out from the electric wire 1911 can be held by a separate mold during injection molding and also to check whether the pulled part of the electric wire 1911 is smoothly connected to the connector 1921 because the pulled electric wire 1911 is exposed forward.
  • a motor installation part 1937 in which a front portion of the motor 1610 of the first driving unit 1600 is to be installed is formed on the rear surface of the terminal panel 1900.
  • the motor installation part 1937 is disposed to the left of the gear installation part 1938.
  • the other end of the electric wire 1911 is pulled out in the motor installation part 1937 and connected to the motor 1610.
  • a second driving unit motor connection part 1912 is formed on the front surface of the terminal panel 1900 by the other end of the electric wire 1911 connected to the motor 1651 of the second driving unit 1650 being pulled out forward.
  • a key connector installation part 1936 in which a rear portion of the key connector 1550 is to be installed is formed on the front surface of the terminal panel 1900.
  • FIGS. 21 to 24 show a process of closing a door 1 disposed on a side of a vehicle.
  • the latch 1200 presses a first sensor 1901 as the latch 1200 rotates clockwise.
  • a locking part 1371 of a pivot member 1370 is inserted into an auxiliary locking recess 1202.
  • a control unit (not shown) receives a signal from the first sensor 1901 and operates a motor 1610 of a first driving unit 1600 to rotate a catching part 1631 clockwise.
  • a protrusion 1215 of the latch 1200 is caught by the catching part 1631, and the latch 1200 also rotates clockwise.
  • an outer circumferential surface of the rotating latch 1200 pushes the locking part 1371 of the pivot member 1370. Accordingly, the pivot member 1370 rotates counterclockwise.
  • a space is formed in a pivot member insertion recess 1317 so that an insertion protrusion 1373 of the pivot member 1370 may move rightward. Accordingly, even when the pivot member 1370 rotates counterclockwise, a body 1310 of a main opening member 1300 is not pushed rightward but maintains its original location.
  • the catching part 1631 is rotated by the motor 1610 to reach a position for closing the door 1.
  • the locking part 1371 is rotated clockwise by an elastic force of a pivot member spring 1390 and thus inserted into a locking recess 1201, and the second main gear sense part 1633 is sensed by a third sensor 1903.
  • the control unit receives a signal from the third sensor 1903 and reversely rotates the motor 1610.
  • the control unit reversely rotates a main gear 1630 until a first main gear sense part 1632 is sensed by the third sensor 1903.
  • the control unit stops operating the motor 1610 when the first main gear sense part 1632 presses the third sensor 1903.
  • the main gear 1630 returns to its default orientation.
  • the vehicle door latch system 5 may rotate the latch 1200 to the position for closing the door 1 and also may return the main gear 1630 to its default orientation.
  • the latch 1200 presses a second sensor 1902, and the second sensor 1902 may check whether the door 1 is completely closed.
  • FIGS. 25 to 27 show an unlocked state and a locked state of a door 1 disposed on a side of a vehicle.
  • the locking member 1500 moves rightward.
  • a locking protrusion 1453 of a catching lever part 1450 is inserted into an insertion space 1509 along an inclined surface 1511 of a protrusion guide part 1507, and a catching protrusion 1455 moves rearward and falls out of a sub-opening member 1400.
  • the door 1 is locked, and force is not transferred to a main opening member 1300 even if a lever 10 is pulled out.
  • the locking member 1500 functions as a child lock.
  • the motor 1651 pushes the locking member 1500 during a predetermined time.
  • control unit reversely rotates the motor 1651 to return the screw gear 1653 to its original orientation.
  • control unit may cut off power applied to a first driving unit 1600 to lock the door 1.
  • the motor 1651 of the second driving unit 1650 When a signal for unlocking the door 1 is input through the motor 1651 of the second driving unit 1650, the motor 1651 operates in the direction opposite to that of when the door 1 is locked, in order to rotate the screw gear 1653.
  • the locking member 1500 moves leftward, and the catching lever part 1450 falls out of the insertion space 1509 of the protrusion guide part 1507. Also, the catching protrusion 1455 is moved forward by a second return spring 1460 and is caught by the sub-opening member 1400. Thus, the door is unlocked, and force is transferred to the main opening member 1300 when the lever 10 is pulled out.
  • the motor 1651 pushes the locking member 1500 until the locking catching part 1502 of the locking member 1500 is sensed by a fourth sensor 1904.
  • control unit may supply power to the first driving unit 1600 to allow the driver to open the door 1.
  • the control unit When a driver enters a signal for opening the door 1 through a drive input unit, the control unit receives the signal and operates the motor 1610 of the first driving unit 1600. When the motor 1610 operates, the main gear 1630 rotates. When the main gear 1630 rotates counterclockwise, a driving unit catching part 1707 is caught by a door operating member catching part 1635, and an open plate 1700 slides rightward. That is, the main gear 1630 pushes the open plate 1700 rightward.
  • the motor 1610 operates until a second sense part 1702 is sensed by a sixth sensor 1906 and a first sense part 1351 is sensed by a fifth sensor 1905. Subsequently, as shown in FIG. 30, the motor 1610 returns to its original orientation by reversely rotating until the first main gear sense part 1632 is sensed by the third sensor 1903.
  • the main opening member 1300 is slid leftward by the first and second springs 1803 and 1313 to return to its original orientation.
  • 1111 latch seating recess
  • 1112 operating member seating recess
  • 1123 bumper member insertion recess
  • 1124 door installation part
  • 1130a second metal housing
  • 1130b second plastic housing
  • 1150 third housing, 1151: motor seating recess
  • 1152 second coupling part
  • 1154 PCB insertion part
  • 1202 auxiliary locking recess, 1202a: first locking catching part
  • 1500 locking member
  • 1502 locking catching part
  • 1614 intermediate worm gear
  • 1620 deceleration gear
  • 1621 first worm gear
  • 1622 second worm
  • 1630 main gear
  • 1631 catching part
  • 1632 first main gear sense part
  • 1633 second main gear sense part
  • 1635 door operating member catching part
  • 1636 insertion hole
  • 1650 second driving unit
  • 1651 motor

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  • Lock And Its Accessories (AREA)

Abstract

La présente invention concerne un système de verrouillage de portière de véhicule, et en particulier, un système de verrouillage de portière de véhicule dans lequel un fil électrique présente une extrémité tirée d'un côté du panneau de bornes, dans laquelle le fil électrique doit être inséré, pour se connecter à une PCB, empêchant ainsi la flexion et la mise en court-circuit du fil électrique inséré, facilitant l'installation de la PCB et diminuant le volume de l'appareil.
PCT/KR2018/002850 2017-03-14 2018-03-09 Système de verrouillage de portière de véhicule WO2018169259A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170031735 2017-03-14
KR10-2017-0031735 2017-03-14
KR1020170176842A KR101995346B1 (ko) 2017-03-14 2017-12-21 차량용 도어 래치 시스템
KR10-2017-0176842 2017-12-21

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WO2018169259A1 true WO2018169259A1 (fr) 2018-09-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200224464A1 (en) * 2019-01-10 2020-07-16 Magna Closures Inc. Smart latch assembly with actuator module
US11512509B2 (en) 2018-02-08 2022-11-29 Magna Closures Inc. Closure latch assembly with latch mechanism having roller pawl assembly

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Publication number Priority date Publication date Assignee Title
KR100487974B1 (ko) * 2003-02-24 2005-05-06 평화정공 주식회사 자동차용 도어 래치 어셈블리의 멀티펑션 터미널 센싱판
JP2014120392A (ja) * 2012-12-18 2014-06-30 Murakami Corp アクチュエータ
JP2016533443A (ja) * 2013-09-25 2016-10-27 マグナ クロージャーズ ソシエタ ペル アチオニ 車両用電動ラッチ
JP2016194197A (ja) * 2015-03-31 2016-11-17 株式会社ユーシン ドアロック装置及びドアロック装置の製造方法
KR20170001458A (ko) * 2015-06-26 2017-01-04 주식회사 우보테크 도어 래치 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487974B1 (ko) * 2003-02-24 2005-05-06 평화정공 주식회사 자동차용 도어 래치 어셈블리의 멀티펑션 터미널 센싱판
JP2014120392A (ja) * 2012-12-18 2014-06-30 Murakami Corp アクチュエータ
JP2016533443A (ja) * 2013-09-25 2016-10-27 マグナ クロージャーズ ソシエタ ペル アチオニ 車両用電動ラッチ
JP2016194197A (ja) * 2015-03-31 2016-11-17 株式会社ユーシン ドアロック装置及びドアロック装置の製造方法
KR20170001458A (ko) * 2015-06-26 2017-01-04 주식회사 우보테크 도어 래치 시스템

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11512509B2 (en) 2018-02-08 2022-11-29 Magna Closures Inc. Closure latch assembly with latch mechanism having roller pawl assembly
US20230078285A1 (en) * 2018-02-08 2023-03-16 Magna Closures Inc. Closure latch assembly with latch mechanism having roller pawl assembly
US20200224464A1 (en) * 2019-01-10 2020-07-16 Magna Closures Inc. Smart latch assembly with actuator module

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