WO2020009485A1 - Dispositif de verrouillage de roue de moyen de déplacement du type roue - Google Patents

Dispositif de verrouillage de roue de moyen de déplacement du type roue Download PDF

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Publication number
WO2020009485A1
WO2020009485A1 PCT/KR2019/008177 KR2019008177W WO2020009485A1 WO 2020009485 A1 WO2020009485 A1 WO 2020009485A1 KR 2019008177 W KR2019008177 W KR 2019008177W WO 2020009485 A1 WO2020009485 A1 WO 2020009485A1
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WO
WIPO (PCT)
Prior art keywords
locking
wheel
lock
hub
locking pin
Prior art date
Application number
PCT/KR2019/008177
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English (en)
Korean (ko)
Inventor
유영배
Original Assignee
유영배
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Filing date
Publication date
Application filed by 유영배 filed Critical 유영배
Publication of WO2020009485A1 publication Critical patent/WO2020009485A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
    • B62H5/14—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation
    • B62H5/148—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation acting on the hub
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/1021—Wheelchairs having brakes engaging specific brake elements
    • A61G5/1027—Hub elements, e.g. drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/08—Braking mechanisms; Locking devices against movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/08—Braking mechanisms; Locking devices against movement
    • B62B9/087—Braking mechanisms; Locking devices against movement by locking in a braking position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
    • B62H5/14—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips

Definitions

  • the present invention relates to a wheel locking device for a wheel type vehicle, more specifically, a lock pin is normally locked to a hub lock lock so that the wheel can not move while maintaining a locked state in which the force is pressed against the lock pin.
  • a lock pin is released from the lock lock is switched to the unlocked state that the wheel is movable, if the force acting on the lock pin is removed, the lock pin is locked to the lock lock of the hub again the wheel is impossible to move
  • It relates to a wheel type vehicle wheel locking device, characterized in that the transition to the state.
  • Wheel type vehicles such as bicycles, wheelchairs, strollers, etc. essentially include a brake device for controlling the speed during movement.
  • Conventional brake devices are utilized to decelerate or stop speed while driving, but in order to control the wheels in a locked state while the wheel type vehicle is stopped, a passenger or guardian must artificially fill the brakes.
  • an object of the present invention is to lock the lock pin of the hub in the usual state that the moving means is stopped, the wheel is not locked to move the lock pin for movement
  • the lock pin is released from the lock lock, and the wheel is moved to an unlocked state in which the wheel is movable.
  • the lock pin is caught by the lock lock of the hub again to move the wheel. It is to provide a lock device for a wheel type vehicle wheel that can prevent the safety accident in the process of boarding or getting off by switching to this impossible lock state.
  • a wheel type locking device for a wheel includes a main frame coupled with a hub and a locking pin fastened thereto; A hub having a lock lock on which the lock pin is engaged; An axle assembly penetrating the hub and the main frame and coupling the hub to rotate relative to the main frame through a bearing; It characterized in that it comprises a locking pin which is elastically coupled to the main frame and is operated to be locked to or released from the lock lock in accordance with the applied force.
  • the locking lock is formed in a form that is formed at regular intervals along the outer circumference of the circular protruding engaging projection extending in the axial direction from one side of the hub frame;
  • the locking pin is characterized in that the locking ring is formed at one end and is operated to switch the wheel to the locked state or the unlocked state by being caught or separated between the locking projections in accordance with the elastic force variation.
  • the main frame includes a hub coupling portion formed with a through hole and coupled to the hub through the through hole; A fastening part to which the lock pin is fastened to be fastened; The axle is penetrated through the through hole of the hub and the through hole of the hub coupling portion, and the bearing is coupled to the hub to be rotatably fastened to the fixed main plane; A spring is fastened to a locking pin fastening portion on which the locking pin is mounted so that an initial elastic force toward the locking ring formed at one end of the locking pin is provided between the locking projections of the locking lock formed at the hub; Since the initial elastic force is provided in the center of the lock pin, one end of the locking ring is caught between the locking protrusions toward the locking protrusion of the lock lock, and if the opposite force is applied to the fastening portion of the other end, the locking ring locks according to the rotation of the locking pin.
  • the locking pin has a length longer than the width and thin in the form of a pin, the locking ring is formed between the locking projection of the locking lock at one end in the hub direction and provides the force for locking and unlocking the wheel at the other end Or a fastening part connected to one end of the tension adjusting member to be removed is formed, and a rotation shaft which can be fastened to the main frame through a locking pin fastening part is formed in the center, and the one end and the other end about the rotation axis by elastic force and restoring force.
  • the locking ring formed at one end of the locking pin is provided with an elastic force directed between the locking projections of the locking lock formed at the hub, so that the wheel is not moved in the locked state because the locking ring of the locking pin is normally locked to the locking lock. Will remain locked; When a force pulled in a direction opposite to the elastic force acts on the tension adjusting member, the locking ring rotates in the direction opposite to the elastic force and is spaced apart from the lock so that the wheel is switched from a locked state to an unlocked state so that the wheel can move. Become; When the force acting on the tension adjusting member is removed, the locking ring is caught by the locking projection of the lock lock formed on the hub by the restoring force, and the wheel is changed from the unlocked state to the locked state.
  • Two locking pin fastening portions at positions symmetrical about a horizontal axis of the hub;
  • the other locking pin fastening part prevents the elastic force from deteriorating while the locking ring of the locking pin rotates too much by an external force, thereby limiting the turning radius of the locking pin.
  • the other end of the tension control member is characterized in that the switching member for controlling the locking and unlocking of the wheel by controlling the generation and removal of tension applied to the tension control member.
  • the switching member automatically adjusts the tension applied to the tension adjusting member in accordance with the operation of a manual locking switch for adjusting the tension applied to the tension adjusting member according to the artificial manipulation of the occupant or guardian or a safety means for safety during the movement of the occupant. It is characterized by consisting of an automatic lock switch.
  • the safety means comprises a seat belt, a safety bar and a foot rest of a wheelchair; When the seat belt or the safety bar is filled or the foot rest is unfolded, a tension is provided to the tension adjusting member to switch from the wheel locking state to the unlocking state.
  • the wheel type locking device for wheels maintains a state in which it is impossible to move because the wheel is in a locked state at a time when the moving means is stopped, and controls the wheel by manual or automatic tension adjustment. It can be switched from the locked state to the unlocked state, thereby controlling the locking and unlocking of the wheel, thereby producing an excellent effect of ensuring safety for the vehicle.
  • FIG. 1 is a block diagram schematically illustrating a device for locking a wheel type vehicle wheel according to a preferred embodiment of the present invention.
  • Figure 2 schematically shows a wheel for a wheel type vehicle equipped with a locking device for a hub integrated wheel type vehicle according to a preferred embodiment of the present invention.
  • FIG. 3 is a detailed block diagram of a hub according to a preferred embodiment of the present invention.
  • FIG. 4 is a detailed configuration diagram of a main frame according to a preferred embodiment of the present invention.
  • FIG. 5 is a detailed block diagram of an axle assembly according to a preferred embodiment of the present invention.
  • FIG 6 illustrates an embodiment in which the position of the locking pin of the hub integrated locking device according to the preferred embodiment of the present invention is modified in various directions.
  • Figure 7 is a detailed configuration of the locking pin in accordance with a preferred embodiment of the present invention.
  • FIG. 8 schematically illustrates a pivot shaft structure of a locking pin according to another embodiment of the present invention.
  • Figure 9 schematically shows the operation of the wheel locking device wheels according to a preferred embodiment of the present invention.
  • FIG. 10 is an embodiment of a case in which the seat belt and the tension adjusting member which are the automatic locking switch according to the preferred embodiment of the present invention are combined.
  • FIG. 11 and 12 schematically show the structure of a seat belt as an automatic locking switch according to a preferred embodiment of the present invention.
  • FIG. 13 schematically illustrates a change in tension acting on a tension adjusting member according to fastening and releasing of the seat belt of FIG. 11.
  • 16 and 17 schematically show changes in tension acting on the tension adjusting member according to the fastening and loosening of the seat belt of FIG. 15.
  • the locking device for a wheel-type moving device is elastically coupled to and applied to the main frame 20 and the main frame 20 coupled with the hub and the lock pin are fastened to the hub 10 having a locking lock to which the locking pin is locked.
  • an axle assembly 40 coupled to the hub by rotating relative to the main frame by penetrating the hub and the main frame through the locking pin 30 that is caught or released by the locking lock according to a losing force. .
  • FIG. 1 is a block diagram schematically illustrating a device for locking a wheel type vehicle wheel according to a preferred embodiment of the present invention.
  • a locking device for a wheel type moving device includes a hub 10 having a lock lock on which a lock pin is engaged, a main frame 20 coupled to the hub, and a lock pin fastened to the hub 10.
  • An axle assembly 40 coupled to the main frame to rotate relative to the main frame through the locking pin 30 and the hub and the main frame and the locking pin 30 is elastically coupled to the frame and applied according to the applied force. It is characterized by including.
  • the present invention is different from the brake device for controlling the speed of the wheel wheel lock device to prevent the wheel from rolling in the usual state of the lock and to control the movement of the wheel can be switched to the unlocked state in the movable state It relates to a hub-integrated wheel locking device that can be configured independently of the brake device.
  • the present invention is a locking device applied to a wheel-type moving means
  • the wheel-type moving means is defined as a concept that encompasses all the means of movement of the wheel and tire combined form, such as a wheelchair, stroller, bicycle.
  • the patient, the elderly, and infants are mainly applied to wheelchairs, strollers, infant bicycles, etc., where safety accidents frequently occur when boarding and getting off.
  • the hub is wheels of wheel-type transportation means such as wheelchairs, strollers, and bicycles. Is the central axis of the configuration.
  • Figure 2 schematically shows a wheel for a wheel type vehicle equipped with a locking device for a hub integrated wheel type vehicle according to a preferred embodiment of the present invention.
  • the wheel of the wheel type vehicle means axle which is a central axis and a hub to which the axle is coupled, a stalk that is radially fastened with the hub to form a skeleton of the wheel, a rim that is coupled with the stoke, and a tire that is coupled to the rim It is configured to include.
  • the configuration including the hub, the stoke and the rim is defined as a wheel.
  • the hub has a through hole in the center for fastening the axle and becomes a central axis in which the wheel rolls.
  • the hub according to the present invention serves as a locking device as well as the central axis of the wheel at the same time, for this purpose, the hub 10 is formed with a lock lock 120 on one side.
  • FIG. 3 is a detailed block diagram of a hub according to a preferred embodiment of the present invention.
  • the locking lock 120 extends in an axial direction from one side of the hub frame and is formed at predetermined intervals along a circular outer circumference so that the locking protrusions 121 are formed between the locking protrusions 122. It can be configured in the form that the locking ring 310 of the locking pin is caught.
  • the lock lock 120 may be manufactured separately from the hub frame 110 and may be combined integrally, but may be manufactured integrally with the hub frame through injection processing or the like.
  • FIG. 4 is a detailed configuration diagram of a main frame according to a preferred embodiment of the present invention.
  • the main frame 20 has a through-hole formed therein, and a locking pin fastening part for fastening and fastening a locking pin to which the hub coupling part 210 and the locking pin are coupled to the hub through the through hole. 220 and 230 may be configured.
  • the side of the main frame has a guide fence 240 protruding to accommodate the locking lock of the hub, the locking pin is rotated protruding to the side of the main frame so that the locking pin is rotated to allow the rotation range
  • the portion 241 may have a low height of the guide fence.
  • locking pin fastening parts 220 and 230 may be configured in two as in the present embodiment, and when one of the two locking pin fastening parts is fastened to the locking pin, the other locking pin fastening part is locked. Can act as a stopper to limit the rotational displacement of the pin.
  • the hub coupling portion 210 is coupled through the hub and axle assembly 40, and the hub is positioned in contact with the side of the main frame through the bearing (421, 422) to guide the position and lock lock of the hub ( In order to accommodate the 120, it may be configured to have a shape corresponding to the side shape of the hub as shown in FIG. 3.
  • FIG. 5 is a detailed block diagram of an axle assembly according to a preferred embodiment of the present invention.
  • the axle assembly 40 is disposed at the front end of the hub through the axle 410 and the axle that are coupled through the hub 10 and the main frame 20 as a central axis of the wheel.
  • a bearing unit 420 including a first bearing 421 and a second bearing 422 disposed between the hub and the main frame to control the hub to rotate relative to the fixed main frame.
  • it may be configured to further include a closing member (not shown) for fixing the axle in combination with the axle end in the rear of the main frame.
  • the hub coupling portion 210 of the main frame has a through hole 211 corresponding to the through hole of the hub, and the axle 410 through the through hole 111 and the through hole 121 of the hub coupling portion 121.
  • the through and bearings 421 and 422 are coupled to each other so that the hub 10 is rotatably fastened to the fixed axle 410 and the main frame 20.
  • FIG 6 illustrates an embodiment in which the position of the locking pin of the hub integrated locking device according to the preferred embodiment of the present invention is modified in various directions.
  • the main frame 20 and the axle 410 are fixedly coupled and configured to rotate only the hub, the main frame 20 and the axle 410 may be rotated according to the position of the tension adjusting member 50 coupled to the fastening part 320 of the locking pin as shown in FIG. 6.
  • the frame can be rotated to engage the tension adjusting member in a free direction and position. Therefore, since the locking pin can be positioned irrespective of the position of the tension adjusting member, its versatility is excellent.
  • the locking pin is fastened to the locking pin fastening portion, it is fastened to have an initial elastic force.
  • Figure 7 is a detailed configuration of the locking pin in accordance with a preferred embodiment of the present invention.
  • the locking pin 30 has a length longer than a width and a thin pin shape, and a locking ring 310 that is caught between the locking protrusions 122 of the locking lock at one end in a hub direction. Is formed and the other end is formed with a fastening portion 320 is connected to the tension adjusting member 50 is provided to provide a force for locking and unlocking the locking pin, the center portion of the main frame through the locking pin fastening portion 220 in the center Rotating shaft 330 that can be fastened to is formed.
  • the fastening part 220 may be formed as a fastening hole to fasten the tension control member through a hole when the tension control member is configured in the form of a string such as a cable, but may fasten or fasten the tension control member. It can be composed of protrusions or hooks.
  • the pivot shaft 330 is fastened to the lock pin fastening portion 220 of the main frame, and the pivot shaft 330 may be configured as a fastening hole as shown in FIG. ), The rotation shaft 330 of the locking pin may be penetrated and fastened. .
  • the locking protrusion of the locking pin fastening part 220 may be formed as a multi-step protrusion, and extends from the guide protrusion 221a and the guide protrusion extending from the side of the main frame and having a diameter larger than the rotation axis of the locking pin. It may be configured to include a main projection (221b) to the size to accommodate the rotation shaft of the locking pin.
  • the guide protrusion 221a is responsible for guiding the locking ring of the locking pin is spaced apart by a certain height from the side of the frame so as to be caught in the center between the locking projection of the lock lock, the main protrusion 221b is the It is responsible for seating the rotation shaft of the locking pin.
  • an elastic member 230 may be connected between the locking pin 30 fastened to the locking pin coupling part 220 and the main frame 20 to provide an initial elastic force to the locking pin 30.
  • the locking pin 230 is provided with a locking pin (230) is equipped with a locking pin (30) is provided so that the initial elastic force toward the locking protrusions (122) of the locking lock formed on the hub is formed on one end of the locking pin (220) ),
  • a spring which is an elastic member, may be fastened.
  • one end of the locking ring 310 is directed between the locking projections 122 of the locking lock and the force in the opposite direction to the fastening portion 320 of the other end.
  • the locking ring 310 is released from the engaging protrusion 122 according to the rotation of the rotation shaft 330 of the locking pin, but when the force in the opposite direction is removed, the one end of the locking ring 310 by the restoring force It is directed back to the engaging projections 122 of the lock lock to the original position.
  • FIG. 8 schematically illustrates a pivot shaft structure of a locking pin according to another embodiment of the present invention.
  • the pivot shaft 330 of the locking pin may be configured as a protruding protrusion instead of a fastening hole, and the locking pin fastening portion 220 of the main frame may be configured as a protruding groove accommodating the protrusion. .
  • a spring may be fastened to the elastic member 230 between the protrusion and the groove.
  • the locking pin 30 is fastened to the main frame 20 so that the pivot shaft 330 may have elastic force.
  • the wheel is rotated because the hub cannot be rotated because the locking ring 310 of the locking pin is normally locked to the lock lock 120. It keeps a lock state that it cannot.
  • one end and the other end of the locking pin 30 may rotate.
  • the locking ring 310 is rotated in a direction opposite to the direction of the elastic force is spaced apart from the lock lock 120 to switch the wheel from the locked state to the unlocked state.
  • the locking pin fastening parts 221 and 222 are composed of two, when the locking pin is fastened to one locking pin fastening part, the other locking pin fastening part serves as a stopper for limiting the turning radius of the locking pin. .
  • the stopper and the locking pin fastening portion may change their roles depending on the fastening position of the locking pin.
  • the stopper has a protrusion protruding at a set position within a turning radius of the locking pin so as to limit the rotation of the locking pin to the set rotation range to prevent the elastic force from being lowered while the locking ring of the locking pin rotates too much by an external force. It can be formed as.
  • the locking pin is made of metal and the locking pin fastening portion serving as the stopper may be composed of a magnet.
  • the locking pin rotates in the direction of the stopper due to an external force acting on the locking pin, the locking pin is different from the stopper which is the magnet. Can be configured to stick.
  • the locking pin When the restoring force of the force greater than the magnetic force by the magnet is applied, the locking pin may be separated from the stopper, and the locking ring of the locking pin may be seated between the locking protrusions of the locking lock.
  • FIG. 9 is a view schematically showing the operation of the wheel locking device wheel locking device according to an embodiment of the present invention.
  • the elastic force of the spring which is the elastic member 230, is initially set so that the locking ring 310 of the locking pin is held between the locking protrusions 122 of the locking lock formed integrally with the hub. The wheel will remain locked.
  • the locking ring 310 is rotated in the direction of the locking protrusions 122 in the direction of the locking protrusions 122 by the restoring force of the spring, thereby being caught by the locking protrusions again.
  • the lock is switched back.
  • the other end of the tension control member 50 is coupled to the lock switching member 60 for controlling the locking and unlocking of the wheel by adjusting the tension applied to the tension control member.
  • the lock switching member 60 may be configured as a manual lock switch for adjusting the tension applied to the tension control member in accordance with the artificial manipulation of the occupant or guardian, seat belts, safety bars, the foot rest of the wheelchair for the passenger's safety It may be configured as an automatic locking switch for automatically adjusting the tension applied to the tension adjusting member in accordance with the operation of the safety means such as.
  • the tension due to the pulling force is automatically applied to the tension adjusting member when the lock switch is directly operated, the seat belt, the safety bar is filled, or the foot rest of the wheelchair is unfolded.
  • the locking ring of the locking pin is released between the locking projections of the locking lock so that the wheel is shifted from the locked state to the unlocked state.
  • FIG. 10 is an embodiment of a case in which the seat belt and the tension adjusting member which are the automatic locking switch according to the preferred embodiment of the present invention are combined.
  • the seat belt is connected to the cable of the tension adjusting member, the cable is connected to the fastening portion of the locking pin, the pulling force is applied to the tension adjusting member when the seat belt is filled, the force is the locking It is transmitted to the pin and the lock ring of the lock pin is released from the lock lock, and the wheel is switched from the locked state to the unlocked state.
  • the wheel before the seat belt is filled, the wheel is in a locked state, and when the seat belt is filled, the wheel is switched to an unlocked state and thus the state is movable.
  • FIG. 11 and 12 schematically show the structure of a seat belt as an automatic locking switch according to a preferred embodiment of the present invention.
  • This embodiment is for the case where the seat belt is applied by the automatic locking switch.
  • the tension is generated in the tension adjusting member coupled with the seat belt, and the wheel is released, and the tension generated when the seat belt is released is removed. This is for explaining that the wheel is locked.
  • the seat belt according to the present invention may be configured to include a belt body portion 62, the clip portion 61 and the clip ring of the clip portion is coupled or separated.
  • the belt body portion 62 is configured by combining the upper frame 621 and the lower frame 622.
  • the upper frame 621 has a fastening protrusion 621b-1 to which the button 621a for releasing the seat belt and the tension adjusting means are coupled, and the fastening protrusion is elastically coupled with the sliding elastic body 621d at one end of the upper frame body.
  • a sliding member 621b that slides in one direction when the clip is inserted, and a sliding groove 621c-1 through which the button penetrates and a fastening protrusion 621b-1 of the sliding member penetrates the sliding member. It may be configured to include a plate 621c mounted on the top and the upper frame body 621e for receiving the button, the sliding member, the plate.
  • the lower frame 622 is inserted into the lower frame body 622a having the guide groove 622c into which the elastic body 622b and the tension adjusting member are inserted, and the guide groove 622c below the button 621a. It may be configured to include an elastic body 622b having a height protruding from the lower frame body 622a.
  • the tension adjusting member 50 is pulled to generate a tension and the wheel is switched from the locked state to the unlocked state to the state that the wheel can move.
  • the wheel is switched from the unlocked state to the locked state, and the wheel is not moved.
  • Figure 15 schematically shows the structure of a seat belt which is an automatic locking switch according to another embodiment of the present invention.
  • the seat belt according to the present embodiment may include a belt body portion 64 in which the clip portion 63 and the clip ring of the clip portion are coupled or separated like the embodiment of FIG. 11. .
  • the belt body portion 64 is configured by combining the upper frame 641 and the lower frame 642.
  • a button 643 which protrudes out of the upper frame and is elastically coupled to the lower frame by an elastic support 645, and has a latching jaw 643a on which a clip ring 631 is caught, and a lower portion of the lower frame under the button. It may be configured to include a sliding member 644 is mounted and coupled to the tension adjusting member 50 at one end and coupled to the lower frame side by the sliding elastic body 646 at the other end.
  • the sliding member 644 is configured in a shape having an inclination on the inclined surface, and is configured such that one end of the tension adjusting member connected to the lower portion of the button 643 protrudes from the button.
  • the clip ring 631 when the clip ring 631 is inserted into the belt body portion 64, the clip ring presses the inclined surface of the sliding member 644, and the sliding member 644 is in the direction of the sliding elastic body 646 of the other end. Will move.
  • FIG. 16 schematically illustrates a change in tension acting on the tension adjusting member according to the fastening and loosening of the seat belt of FIG. 15.
  • the lower end of the clip ring 631 presses the inclined surface of the sliding member 644 and the inclined surface of the sliding member 644 is inclined to move in the direction of the sliding elastic body 646, and the sliding elastic body 646 is It becomes an elastically pressed state.
  • the tension adjusting member 50 is pulled to generate a tension and the wheel is switched from the locked state to the unlocked state to the state that the wheel can move.
  • the wheel is switched from the unlocked state to the locked state, and the wheel is not moved.
  • the wheel type locking device for wheels maintains a state in which it is impossible to move because the wheel is in a locked state, and the wheel is unlocked in a locked state through manual or automatic tension adjustment. It can be switched to to secure the safety of the means of transportation by controlling the locking and unlocking of the wheel, especially applied to the means of transportation for passengers who are inconvenient or difficult to walk, such as the elderly or infants, such as wheelchairs, strollers, infant bicycles, etc. In this case, since the wheel is changed from the locked state to the unlocked state after boarding safely, it can be usefully used for the means of transportation of the weak because it can prevent the safety accidents that may occur when getting on and off the vehicle.

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  • Health & Medical Sciences (AREA)
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  • Braking Elements And Transmission Devices (AREA)

Abstract

La présente invention concerne un dispositif de verrouillage d'une roue d'un moyen de déplacement du type roue, et plus spécifiquement, un dispositif de verrouillage de roue d'un moyen de déplacement du type roue et est caractérisé en ce que : normalement, une broche de verrouillage est prise dans un verrou de verrouillage d'un moyeu et maintient un état verrouillé dans lequel la roue ne peut pas se déplacer ; lorsqu'une force est appliquée à la broche de verrouillage afin de permettre un déplacement, la broche de verrouillage est séparée du verrou de verrouillage et la roue est commutée vers un état déverrouillé dans lequel la roue peut se déplacer ; et lorsque la force qui a été appliquée à la broche de verrouillage est retirée, la broche de verrouillage est à nouveau prise dans le verrou de verrouillage du moyeu, et la roue est commutée vers l'état verrouillé dans lequel la roue ne peut pas se déplacer.
PCT/KR2019/008177 2018-07-05 2019-07-03 Dispositif de verrouillage de roue de moyen de déplacement du type roue WO2020009485A1 (fr)

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KR1020180078342A KR102077063B1 (ko) 2018-07-05 2018-07-05 휠 타입 이동수단 바퀴용 잠금 장치
KR10-2018-0078342 2018-07-05

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WO2020009485A1 true WO2020009485A1 (fr) 2020-01-09

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CN112265599B (zh) * 2020-10-20 2022-04-15 河北井昌车业有限公司 一种自行车前刹防抱死装置

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KR20040108569A (ko) * 2003-06-06 2004-12-24 아프리카 카사이 카부시키가이샤 차륜 동시 브레이크 기구, 캐스터 회전 방지 기구 및 유모차
JP2005186870A (ja) * 2003-12-26 2005-07-14 Akebono Brake Ind Co Ltd ブレーキ装置の操作装置
KR101525604B1 (ko) * 2014-01-15 2015-06-04 박효승 차륜의 잠금장치 및 이를 포함하는 자전거
KR20160068615A (ko) * 2014-12-05 2016-06-15 유영배 휠체어 브레이크 시스템
KR20180064987A (ko) * 2016-12-06 2018-06-15 지추 리 회전식 잠금 기구, 이를 구비한 자물쇠, 및 이 자물쇠의 잠금 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040108569A (ko) * 2003-06-06 2004-12-24 아프리카 카사이 카부시키가이샤 차륜 동시 브레이크 기구, 캐스터 회전 방지 기구 및 유모차
JP2005186870A (ja) * 2003-12-26 2005-07-14 Akebono Brake Ind Co Ltd ブレーキ装置の操作装置
KR101525604B1 (ko) * 2014-01-15 2015-06-04 박효승 차륜의 잠금장치 및 이를 포함하는 자전거
KR20160068615A (ko) * 2014-12-05 2016-06-15 유영배 휠체어 브레이크 시스템
KR20180064987A (ko) * 2016-12-06 2018-06-15 지추 리 회전식 잠금 기구, 이를 구비한 자물쇠, 및 이 자물쇠의 잠금 제어 방법

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