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WO2011053011A2 - Structure de boucle pour ceinture de sécurité de véhicule - Google Patents

Structure de boucle pour ceinture de sécurité de véhicule Download PDF

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Publication number
WO2011053011A2
WO2011053011A2 PCT/KR2010/007470 KR2010007470W WO2011053011A2 WO 2011053011 A2 WO2011053011 A2 WO 2011053011A2 KR 2010007470 W KR2010007470 W KR 2010007470W WO 2011053011 A2 WO2011053011 A2 WO 2011053011A2
Authority
WO
WIPO (PCT)
Prior art keywords
buckle
warning switch
hall sensor
assembly
sensor assembly
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2010/007470
Other languages
English (en)
Other versions
WO2011053011A3 (fr
Inventor
Byoung Gae You
Dong Sub Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoliv Development AB
Original Assignee
Autoliv Development AB
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
Application filed by Autoliv Development AB filed Critical Autoliv Development AB
Publication of WO2011053011A2 publication Critical patent/WO2011053011A2/fr
Publication of WO2011053011A3 publication Critical patent/WO2011053011A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/12—Construction of belts or harnesses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808—Sensing means arrangements therefor
    • B60R2022/4816—Sensing means arrangements therefor for sensing locking of buckle

Definitions

  • the present invention relates to a buckle structure for a seat belt of a vehicle, in which an warning switch is provided at a middle part of a lower end of a buckle to minimize the size of the buckle for the seat belt, and a terminal section of the warning switch is provided in the warning switch so that the malfunction is reduced upon the on/off operation of the warning switch and the economic effect is improved.
  • an airbag device and a seat belt device are installed in a vehicle to protect drivers and passengers.
  • the airbag device and the seat belt device prevent the drivers and passengers from colliding with internal structures of the vehicle upon vehicle collision and restrain the drivers and passengers such that drivers and passengers may not be separated from seats.
  • the seat belt (safety belt) device restrains the upper part of the body to safely protect the drivers and passengers when vehicle collision occurs, so that the drivers and passengers may not collide with the internal structures of the vehicle, such as an instrument panel or a dashboard, thereby minimizing the bodily injury.
  • Such a seat belt device includes a buckle fixed to one side of a floor panel by a cable, and a retractor fixed to a lower portion of a center pillar to wind or release a webbing.
  • the seat belt device includes a tongue provided on the webbing, which is released by a predetermined length, so as to be coupled with the buckle, a guider for preventing the webbing from being twisted when the webbing is released or wound, and an anchor for adjusting the height of a belt.
  • both ends of the webbing having a predetermined width are fixed to the floor panel and the center pillar, respectively, to restrain a driver positioned between the floor panel and the center pillar, thereby preventing the driver from spring out in the forward direction or in the colliding direction.
  • the retractor is fixed to the center pillar to wind or release the webbing and a fixing unit is installed in the retractor to fix the webbing upon emergency.
  • the buckle is installed on the floor panel to selectively fix the tongue provided on the webbing.
  • a Hall switch and an warning switch are additionally installed in the buckle in order to detect whether the seat belt is fastened.
  • a Hall sensor which operates in response to the magnetic field generated from a magnet, is employed or an warning switch, such as a micro switch or a lead switch, is used to detect whether the seat belt is fastened.
  • the Hall sensor can be employed together with or independently from the warning switch.
  • the tongue simultaneously turns on/off the Hall switch and the warning switch provided at both sides in the buckle.
  • the tongue simultaneously turns off/on the Hall switch and the warning switch, so the fastening state of the seat belt with respect to the occupant can be mechanically or electronically detected.
  • the warning switch is installed at a rear end of one side of the buckle, the size of the buckle may be enlarged. If the warning switch is installed in the buckle provided at the rear seat, the occupant may feel uncomfortable, thereby degrading the riding comfort.
  • the terminal section for performing the on/off operation of the warning switch is provided outside the warning switch, so that malfunction may occur during the operation of the warning switch.
  • the present invention has been made to solve the problems occurring in the related art, and an object of the present invention is to provide a buckle structure for a seat belt of a vehicle, capable of minimizing the size of a buckle by positioning an warning switch at a middle part of a lower end of the buckle.
  • Another object of the present invention is to provide a buckle structure for a seat belt of a vehicle, capable of reducing malfunction of an warning switch upon the on/off operation of the warning switch by installing a terminal section of the warning switch in the warning switch and improving the economic effect.
  • a buckle structure for a seat belt of a vehicle comprising: a lower case serving as an outer cover of a buckle for the seat belt of the vehicle; an upper case; an warning switch assembly installed at a lateral side in the buckle to transmit a signal to an electronic control unit of the vehicle when the seat belt is not fastened; a Hall sensor assembly installed on a bottom in the buckle to transmit a signal to the electronic control unit of the vehicle by detecting whether a tongue is fitted into the buckle by using a magnetic field; a magnetic assembly installed in the buckle to interact with the Hall sensor assembly as the magnetic field is applied thereto; and an ejector having a lower portion assembled with the magnetic assembly, wherein the lower case is provided at one side therein with a Hall sensor assembly mounting part on which the Hall sensor assembly is fixedly mounted, and at an opposite side therein with an warning switch mounting part on which an warning switch is fixedly mounted, and the warning switch assembly is provided therein with a terminal section
  • the lower case includes a wire division part for fixing a Hall switch wire and an warning switch wire separately from each other.
  • the wire division part includes division protrusions to fix the Hall switch wire and the warning switch wire separately from each other.
  • the lower case includes an warning switch wire guide part for guiding the warning switch wire, which is introduced from an outside, toward an warning switch in the buckle.
  • the warning switch wire guide part includes guide protrusions to guide the warning switch wire fixed in the buckle toward the warning switch assembly.
  • the Hall sensor assembly includes a Hall sensor assembly fixing member
  • the Hall sensor assembly mounting part includes a Hall sensor assembly fixing protrusion inserted into the Hall sensor assembly fixing member
  • the warning switch assembly includes an warning switch fixing member
  • the warning switch mounting part includes an warning switch fixing protrusion fixedly inserted into the warning switch fixing member.
  • the present invention having the above structure represents the following effects.
  • the warning switch is provided at the middle part of the lower end of the buckle so that the size of the buckle for the seat belt can be minimized, and the terminal section of the warning switch is provided in the warning switch so that the malfunction can be reduced upon the on/off operation of the warning switch and the economic effect is improved.
  • the Hall sensor assembly mounting part and the warning switch assembly mounting part are provided at one side in the lower case of the buckle to fixedly mount the Hall sensor assembly and the warning switch assembly, respectively, so that the size of the buckle can be minimized and the internal structure of the vehicle can be stabilized.
  • the wire division part including the division protrusion is provided in the lower case of the buckle to fix the Hall sensor switch wire and the warning switch wire separately from each other, so that the warning switch assembly and the Hall sensor assembly can be operated independently from each other in the buckle, thereby preventing the malfunction of the warning switch assembly and the Hall sensor assembly, and the size of the buckle can be minimized so that the economic effect can be improved.
  • the warning switch wire guide part including the warning switch wire guide protrusion is provided in the lower case of the buckle, so that the warning switch wire introduced from the outside can be guided to the warning switch in the buckle, and the warning switch wire can be fixed in the buckle, thereby facilitating the operation of the warning switch assembly installed in the buckle and improving durability of the buckle structure.
  • the Hall sensor assembly includes the Hall sensor assembly fixing member
  • the Hall sensor assembly mounting part includes the Hall sensor assembly fixing protrusion fixedly inserted into the Hall sensor assembly fixing member
  • the warning switch assembly includes the warning switch fixing member
  • the warning switch assembly mounting part includes the warning switch fixing protrusion fixedly inserted into the warning switch fixing member, so that the Hall sensor assembly and the warning switch assembly can be securely fixed in the buckle by the fixing members and fixing protrusions, thereby improving durability of the buckle structure.
  • FIG. 1 is a top sectional view showing a buckle for a seat belt of a vehicle according to the related art
  • FIG. 2 is an exploded perspective view showing a buckle structure for a seat belt according to one embodiment of the present invention
  • FIG. 3 is a perspective view showing an internal structure of a buckle structure according to one embodiment of the present invention.
  • FIG. 4 is a perspective view showing a Hall sensor assembly according to the present invention.
  • FIG. 5 is a perspective view showing a lower case of a buckle according to the related art.
  • FIG. 6 is a perspective view showing an internal structure of a lower case of a buckle according to the present invention.
  • FIG. 1 is a view showing the operational relationship between a Hall sensor and a micro switch (warning switch) when a tongue 2 is inserted into a buckle 1.
  • the buckle 1 is designed to prevent the tongue 2 from being separated from the buckle 1 when the tongue 2 is inserted into a housing 3 of the buckle 1.
  • a buckle frame 6 is provided in the housing 3 and fixing members W fixed to a chassis of the vehicle are securely fastened to the rear end of the buckle frame 6.
  • a locking latch 8 is inserted into a middle portion of the buckle frame 6 while being supported by a spring. Although not shown in the drawings, the locking latch 8 moves down and is locked with the tongue 2 to prevent the tongue 2 from being separated from the locking latch 8. In addition, a slider 9 is moved rearward by the tongue 2 in a state in which the slider 9 is inserted into the middle portion of the buckle frame 6 such that the locking latch 8 can be operated. After the tongue 2 has been inserted into the buckle 1, if the user presses an ejector 7, the locking latch 8 is moved up and the slider 9 moves forward such that the tongue 2 can be released from the buckle 1.
  • a micro switch 4 serving as an warning switch and a Hall sensor 5 serving as an electronic switch are located at both sides of the buckle frame 6.
  • a webbing is fitted into an opening formed at a rear end of the tongue 2.
  • the tongue 2 includes an insertion part having a hole locked with the locking latch 8.
  • the slider 9 is also moved in the direction F.
  • the locking latch 8 moves down so that the lower end of the locking latch 8 is inserted into the hole of the tongue 2, thereby locking the tongue 2.
  • both ends 9' and 9'' of the slider 9 protruding out of the buckle frame 6 may move a magnetic 5a of the Hall sensor 4 and the micro switch 4 to turn on the Hall sensor 5 and to turn off the micro switch 4.
  • the Hall sensor 5 is turned on, it is assumed that the seat belt is fastened, so a signal is transmitted to an electronic control unit of an airbag device.
  • the micro switch 4 is turned off, it is assumed that the seat belt is fastened, so the warning switch is maintained in a turn-off state without raising an warning.
  • the micro switch 4 (warning switch) is simply located at one side in the buckle, so the volume of the buckle is enlarged.
  • the terminal section of the micro switch 4 is provided outside the micro switch 4, malfunction of the micro switch 4 may occur.
  • the micro switch 4 since the micro switch 4 is not fixed to the case of the buckle, the micro switch 4 may be broken if the buckle is shaken or moved, thereby degrading durability of the buckle.
  • FIG. 2 is an exploded perspective view showing the buckle structure for the seat belt according to one embodiment of the present invention
  • FIG. 3 is a perspective view showing an internal structure of the buckle structure according to one embodiment of the present invention
  • FIG. 4 is a perspective view showing a Hall sensor assembly according to the present invention.
  • the buckle structure for the seat belt of the vehicle includes a lower case 10 serving as an outer cover of a buckle for the seat belt of the vehicle; an upper case 20; an warning switch assembly 100 installed at a lateral side in the buckle to transmit a signal to an electronic control unit of the vehicle when the seat belt is not fastened; a Hall sensor assembly 200 provided therein with a Hall sensor magnet and installed on a bottom in the buckle to transmit a signal to an electronic control unit of an airbag device through a Hall switch wire by detecting whether a tongue is fitted into the buckle by using a magnetic field; a magnetic assembly 300 provided therein with a magnet and installed in the buckle to detect whether the tongue is fitted into the buckle by interacting with the Hall sensor assembly as the magnetic field is applied thereto; and an ejector 400 having a lower portion assembled with the magnetic assembly 300.
  • the lower case 10 is a base cover, on which the warning switch assembly 100 and the Hall sensor assembly 200 are fixedly mounted.
  • the lower case 10 protects the buckle of the seat belt from external impact and is provided with various recesses and protrusions to install various components therein. Since the lower case 10 serves as an outer cover for the buckle, the lower case 10 is preferably made from hard plastic. An outer surface of the lower case 10 makes contact with an occupant, so the outer surface of the lower case 10 preferably includes a material having light weight and soft tactile sensation.
  • the lower case 10 is a main element of the present invention and designed to securely fix and mount the warning switch assembly 100 and the Hall sensor assembly 300 in the buckle. The lower case 10 will be further described later in detail with reference to FIGS. 5 and 6.
  • the upper case 20 is coupled with the lower case 10 to protect the components installed therebetween. Similar to the lower case 10, the upper case 20 serves as an outer cover, so the upper case 20 is preferably made from hard plastic. Since the upper case 20 must be securely coupled with the lower case 10, the upper case 20 is fixed to the lower case 10 by bolts. A slot is formed at a front side of the buckle as the upper case 20 is coupled with the lower case 10 in such a manner that the tongue can be fixedly inserted into the buckle. The tongue inserted into the buckle can be released from the buckle by the ejector 400 and a button (not shown) provided in the buckle.
  • the warning switch assembly 100 is installed on the bottom surface in the lower case 10 in opposition to the Hall sensor assembly 200.
  • the warning switch assembly 100 is installed at a lateral side in the buckle to transmit the signal to the electronic control unit of the vehicle through the warning switch wire in order to raise an warning sound when the seat belt is not fastened.
  • a terminal section of the warning switch assembly 100 is installed in the warning switch assembly 100. Since the terminal section of the warning switch assembly 100 is installed in the warning switch assembly 100, the malfunction may not occur during the on/off operation of the warning switch.
  • the warning switch assembly 100 may include an warning switch wire 110 and an warning switch fixing member 130.
  • the warning switch wire 110 is connected to one end of the warning switch assembly 100 to transmit the signal to the electronic control unit of the vehicle as the warning switch assembly 100 detects whether the tongue is fitted into the buckle.
  • the warning switch wire 110 is provided independently from a Hall switch wire 210 of the Hall sensor assembly 200, so that the warning switch may operate independently from the Hall switch. Thus, when one of the warning switch and the Hall switch is damaged or broken, it may not exert influence upon the other, so the economic and functional buckle can be realized.
  • the warning switch fixing member 130 is integrally formed with a lateral side of the warning switch assembly 100 and a hole is formed in the warning switch fixing member 130.
  • the warning switch fixing member 130 may correspond to an warning switch fixing protrusion 14a which integrally protrudes from the bottom surface of the lower case 10.
  • the warning switch assembly 100 is mounted on the warning switch assembly mounting part provided at the lateral side of the lower case 10 and the warning switch fixing protrusion 14a (see, FIG. 6) is fixedly inserted into the hole of the warning switch fixing member 130. Therefore, the warning switch assembly 100 can be detachably secured to the lower case 10 of the buckle and integrally fixed with the buckle, so the warning switch assembly 100 can be prevented from being damaged even if the buckle is shaken or moved.
  • the size of the buckle can be minimized and the economic effect thereof can be improved.
  • the Hall sensor assembly 200 is mounted at one side of the bottom surface in the lower case 10 in opposition to the warning switch assembly 100. Since the Hall sensor assembly 200 is mounted in opposition to the warning switch assembly 100, the size of the buckle can be optimized. If the size of the buckle structure is reduced, the riding comfort of the occupant may be improved.
  • the Hall sensor assembly 200 is provided therein with the Hall sensor magnet and installed on the bottom in the buckle to transmit the signal to the electronic control unit of the airbag device through the Hall switch wire by detecting whether the tongue is fitted into the buckle by using the magnetic field.
  • the Hall sensor assembly 200 may include a Hall switch wire 210, a Hall sensor cover 240, a Hall sensor assembly fixing member 260, and a waterproof bonding member 250a.
  • the Hall switch wire 210 is connected to one end of the Hall sensor assembly 200 to transmit the signal to the electronic control unit of the vehicle as the Hall sensor detects whether the tongue is fitted into the buckle.
  • the Hall switch wire 210 is installed independently from the warning switch wire 110 of the warning switch assembly 100. Since the Hall switch wire 210 is installed independently from the warning switch wire 110 of the warning switch assembly 100, the warning switch and the Hall switch may not exert an influence against each other. In addition, when one of the warning switch and the Hall switch is defective or damaged, the defective switch can be easily found. Further, the repair and exchange work for the warning switch and the Hall switch can be separately performed.
  • the Hall sensor cover 240 surrounds the waterproof bonding member 250a and protects the Hall sensing magnet and electronic circuits (not shown) from external impact.
  • the Hall sensor cover 240 is made from plastic having superior strength and light weight.
  • the waterproof bonding member 250a seals the gap between the Hall sensor cover 240 and the Hall switch wire 210, thereby preventing moisture from infiltrating into the magnet and the electronic circuits.
  • the waterproof bonding member 250a is made from urethane. As shown in FIG. 4, the waterproof bonding member 250a must seal the internal space of the Hall sensor assembly 200 at one end of the Hall sensor assembly 200 connected to the Hall sensor wire 210.
  • the Hall sensor assembly fixing member 260 is integrally formed with the Hall sensor cover 240 and fixedly mounted on the lower case 10 of the buckle. As shown in FIG. 4, the Hall sensor assembly fixing member 260 has a substantially U-shape and protrudes from one side of the Hall sensor cover 240 such that an opening can be defined therebetween. Hall sensor assembly fixing protrusions 13a are installed in the lower case 10 and fixedly inserted into the opening of the Hall sensor assembly fixing member 260, so that the Hall sensor assembly 200 can be securely fixed in the buckle even if the buckle is shaken due to external impact applied to the buckle. Thus, the Hall sensor assembly 200 can be securely fixed in the buckle and the magnetic assembly 300 slidably moves together with the ejector 400 to detect whether the tongue is fitted into the buckle by performing the Hall sensing function based on the magnetic field applied thereto.
  • the magnetic assembly 300 includes the magnet fixed to one side the ejector 400. Since the Hall sensor assembly 200 performs the Hall sensing function based on the magnetic field, the Hall sensor assembly 200 is located under the magnetic assembly 300. That is, the magnetic assembly 300 is provided therein with the magnet, so the fastening state of the tongue to the buckle can be checked through the magnetic interaction between the magnetic assembly 300 and the Hall sensor assembly 200 in the buckle.
  • the magnetic assembly 300 is fixedly assembled to one side of a lower portion of the ejector 400.
  • the tongue pushes the ejector 400, so that the sliding members mounted on the ejector 400 actuate the locking latch, and turn on/off the Hall switch and the warning switch.
  • the ejector 400 is operated as the tongue is inserted into the buckle.
  • the magnetic assembly 300 fixed to the ejector 400 is slidably moved, so that the magnetic field is formed between the magnetic assembly 300 and the Hall sensor assembly 200.
  • the Hall sensing function can be achieved.
  • FIG. 3 is a perspective view showing the internal structure of the buckle structure according to one embodiment of the present invention
  • FIG. 5 is a perspective view showing the lower case 10a of the buckle according to the related art
  • FIG. 6 is a perspective view showing the internal structure of the lower case 10 of the buckle according to the present invention.
  • the lower case 10 includes a wire division part 11, an warning switch wire guide part 12, a Hall sensor assembly mounting part 13, and an warning switch assembly mounting part 14.
  • the wire division part 11 fixes the Hall switch wire 210 and the warning switch wire 110 separately from each other. As shown in FIG. 6, the wire division part 11 allows the Hall switch wire 210 and the warning switch wire 110 to be fixed in the vicinity of the inlet of the buckle or at the center of the buckle in such a manner that the Hall switch wire 210 and the warning switch wire 110 can be separated from each other in the buckle. In order to fix the Hall switch wire 210 and the warning switch wire 110, the wire division part 11 may include division protrusions 11a.
  • the division protrusions 11a divide the Hall switch wire 210 and the warning switch wire 110 such that the Hall switch wire 210 and the warning switch wire 110 can be fixed separately from each other.
  • the warning switch assembly 100 and the Hall sensor assembly 200 can be arranged at both sides of the inside of the buckle respectively, so that the size of the buckle can be reduced.
  • the division protrusions 11a may prevent the Hall switch wire 210 and the warning switch wire 110 from being delaminated or scattered in the buckle.
  • the warning switch wire guide part 12 guides the warning switch wire 110, which is introduced from the outside, toward the warning switch assembly 100 fixedly installed at one side in the buckle. In this manner, since the warning switch assembly 100 provided therein with the terminal section is fixed at one side in the buckle, the size of the buckle can be minimized and the malfunction of the warning switch can be reduced.
  • the warning switch wire guide part 12 may include guide protrusions 12a to guide the warning switch wire 110 fixed in the buckle toward the warning switch assembly 100.
  • the Hall sensor assembly mounting part 13 is a groove formed at one side of the lower case 10 of the buckle to fixedly mount the Hall sensor assembly 200 therein. Since the Hall sensor assembly 200 is fixedly mounted in the buckle, the Hall sensor assembly 200 can be prevented from being damaged or malfunctioned even if external impact or vibration is applied to the buckle.
  • the Hall sensor assembly mounting part 13 may include Hall sensor assembly fixing protrusions 13a.
  • the Hall sensor assembly fixing protrusions 13a are integrally formed on the bottom surface of the lower case 10 corresponding to the Hall sensor assembly fixing member 260. As shown in FIG. 3, when the Hall sensor assembly 200 is fixedly mounted in the Hall sensor assembly mounting part 13, the Hall sensor assembly fixing protrusions 13a are inserted into the Hall sensor assembly fixing member 260, so that the Hall sensor assembly 200 can be fixedly maintained in the buckle.
  • the warning switch assembly mounting part 14 is prepared in the form of a groove at the lateral side in the lower case 10 in opposition to the Hall sensor assembly mounting part 13. In this manner, since the warning switch assembly 100 is fixed at one side in the lower case 10 of the buckle, the size of the buckle can be reduced. In addition, since the terminal section is provided in the warning switch assembly 100, the warning switch can be prevented from being malfunctioned.
  • the warning switch assembly mounting part 14 may include an warning switch fixing protrusion 14a.
  • the warning switch fixing protrusion 14a has a function similar to that of the Hall sensor assembly fixing protrusions 13a. As shown in FIGS. 3 to 6, the warning switch fixing protrusion 14a protrudes upward from the bottom surface of the lower case 10 in correspondence with the warning switch fixing member 130. That is, when the warning switch assembly 100 is mounted in the lower case 10, the warning switch fixing protrusion 14a is inserted into the warning switch fixing member 130, so that the warning switch assembly 100 can be fixedly secured without moving to the left, right, upward or downward. In this manner, the warning switch assembly 100 is securely fixed to the lateral side in the lower case 10 of the buckle and the Hall sensor assembly 200 is fixed in the buckle in opposition to the warning switch assembly 100, so that the size of the buckle can be reduced.
  • the warning switch assembly 100 and the Hall sensor assembly 200 can be integrally coupled with the buckle, so that the durability of the buckle can be enhanced. Further, the terminal section of the warning switch is installed in the warning switch assembly 100, so that the warning switch can be prevented from being malfunctioned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Textile Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Buckles (AREA)

Abstract

La présente invention porte sur une structure de boucle pour une ceinture de sécurité de véhicule, dans laquelle un commutateur d'alerte est fourni au niveau d'une partie médiane d'une extrémité inférieure d'une boucle pour réduire la taille de la boucle pour la ceinture de sécurité, et une section terminale du commutateur d'alerte est fournie dans le commutateur d'alerte afin que le dysfonctionnement soit réduit lors de l'opération marche/arrêt du commutateur d'alerte et que l'effet économique soit amélioré. La structure de boucle comprend un boîtier inférieur servant comme enveloppe extérieure d'une boucle pour la ceinture de sécurité du véhicule ; un boîtier supérieur ; un ensemble commutateur d'alerte installé sur un bord latéral dans la boucle pour émettre un signal à destination d'une unité de commande électronique du véhicule lorsque la ceinture de sécurité n'est pas attachée ; un ensemble capteur à effet Hall installé sur un fond dans la boucle pour émettre un signal à destination de l'unité de commande électronique du véhicule en détectant si une languette est insérée dans la boucle en utilisant un champ magnétique ; un ensemble magnétique installé dans la boucle pour interagir avec l'ensemble capteur à effet Hall lorsque le champ magnétique y est appliqué ; et un éjecteur ayant une partie inférieure assemblée avec l'ensemble magnétique. Le boîtier inférieur est fourni à un bord avec une partie de montage d'ensemble capteur à effet Hall sur laquelle l'ensemble capteur à effet Hall est monté de manière fixe, et à un bord opposé avec une partie de montage de commutateur d'alerte sur laquelle l'ensemble commutateur d'alerte est monté de manière fixe, et l'ensemble commutateur d'alerte est fourni avec une section terminale.
PCT/KR2010/007470 2009-10-29 2010-10-28 Structure de boucle pour ceinture de sécurité de véhicule Ceased WO2011053011A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0103129 2009-10-29
KR1020090103129A KR101148167B1 (ko) 2009-10-29 2009-10-29 차량용 안전벨트의 버클구조

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WO2011053011A2 true WO2011053011A2 (fr) 2011-05-05
WO2011053011A3 WO2011053011A3 (fr) 2011-10-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019018170A1 (fr) * 2017-07-15 2019-01-24 Cts Corporation Ensemble de commutateur pour boucle de ceinture de sécurité de véhicule
US10583804B2 (en) * 2017-04-24 2020-03-10 Liang-Hsiung Wang Guide ring sensor
US20240025372A1 (en) * 2020-12-15 2024-01-25 Autoliv Development Ab Seatbelt device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100490101B1 (ko) * 2002-09-18 2005-05-17 델파이코리아 주식회사 안전벨트의 버클장치
KR100512931B1 (ko) * 2003-11-13 2005-09-07 찬 우 최 안전벨트 착용여부 감지장치 및 이의 제조방법
US7100980B2 (en) * 2004-10-27 2006-09-05 Lear Corporation Vehicle seat assembly having a vehicle occupant sensing system with a biasing pad

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10583804B2 (en) * 2017-04-24 2020-03-10 Liang-Hsiung Wang Guide ring sensor
WO2019018170A1 (fr) * 2017-07-15 2019-01-24 Cts Corporation Ensemble de commutateur pour boucle de ceinture de sécurité de véhicule
US10787150B2 (en) 2017-07-15 2020-09-29 Cts Corporation Switch assembly for vehicle seat belt buckle
US11052870B2 (en) 2017-07-15 2021-07-06 Cts Corporation Switch assembly for vehicle seat belt buckle
US20240025372A1 (en) * 2020-12-15 2024-01-25 Autoliv Development Ab Seatbelt device
US12319227B2 (en) * 2020-12-15 2025-06-03 Autoliv Development Ab Seatbelt device

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