WO2018096753A1 - Hinge lock mechanism - Google Patents

Hinge lock mechanism Download PDF

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Publication number
WO2018096753A1
WO2018096753A1 PCT/JP2017/031009 JP2017031009W WO2018096753A1 WO 2018096753 A1 WO2018096753 A1 WO 2018096753A1 JP 2017031009 W JP2017031009 W JP 2017031009W WO 2018096753 A1 WO2018096753 A1 WO 2018096753A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner diameter
shaft portion
hinge
support column
tip
Prior art date
Application number
PCT/JP2017/031009
Other languages
French (fr)
Japanese (ja)
Inventor
直久 澁澤
信孝 矢島
Original Assignee
株式会社Ｔｏｋ
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 株式会社Ｔｏｋ filed Critical 株式会社Ｔｏｋ
Priority to DE112017005939.9T priority Critical patent/DE112017005939T5/en
Priority to JP2018552420A priority patent/JP6691229B2/en
Publication of WO2018096753A1 publication Critical patent/WO2018096753A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/14—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with fluid brakes of the rotary type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/12—Hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D5/12—Securing pins in sockets, movably or not
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/476—Disk springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/522—Axial stacking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • the present invention relates to a hinge lock mechanism that prevents a hinge device that supports an object from being openable and closable from coming out of a mounting hole into which a shaft portion is inserted.
  • the leg portion of the spring clip is inserted into the groove provided in the adapter member. Fitted. At this time, the leg portion of the spring clip is passed through the insertion hole opened to the side of the holder portion of the toilet seat or toilet lid. The leg portion of the spring clip is fitted into the groove provided in the adapter member through the insertion hole, so that the hinge device cannot be removed from the attachment hole and is fixed to the toilet seat or the toilet lid.
  • a first inner diameter portion having an inner diameter shape that fits into the shaft portion, and a second inner diameter portion that has an inner diameter smaller than the outer diameter of the shaft portion and opens at the deepest portion of the first inner diameter portion and continues to the first inner diameter portion.
  • Formed in the mounting hole Provided with a locking member at the tip of the shaft portion that has an outer diameter equal to or greater than the inner diameter of the second inner diameter portion, has elasticity, and is inserted into the second inner diameter portion and the outer periphery is hooked on the inner periphery of the second inner diameter portion. It is characterized by.
  • the shaft portion of the hinge device when the shaft portion of the hinge device is inserted into the mounting hole, the shaft portion is fitted into the first inner diameter portion, and the locking member provided at the tip of the shaft portion is inserted into the second inner diameter portion. It is. At this time, the locking member is bent and elastically deformed by the elasticity and enters the second inner diameter portion, and the outer periphery thereof is caught by the inner periphery of the second inner diameter portion.
  • the shaft portion provided with this locking member at the tip is not pulled out from the mounting hole because the locking member is caught on the inner periphery of the second inner diameter portion and counters this pulling force even if a force to pull out from the mounting hole is applied.
  • the hinge device cannot be removed from the mounting hole.
  • the hinge device can be prevented from being removed from the mounting hole without using a conventional fixture such as a spring clip. For this reason, it is not necessary to prepare a fixture such as a spring clip separately from the hinge device, and the management process for managing the fixture such as a spring clip separately from the hinge device can be reduced. In addition, an insertion hole for passing a fixing tool such as a spring clip through the holder portion becomes unnecessary, and the processing step of providing the insertion hole in the holder portion can be reduced. As a result, it is possible to reduce the cost and work load at the time of manufacturing a toilet using a hinge device and at the time of manufacturing a toilet seat and toilet lid.
  • the present invention provides a locking member, a disk-shaped member having a plurality of protrusions formed on the outer periphery, a disk-shaped member having a plurality of notches formed on the outer periphery, or a disk having a circular outer periphery.
  • the outer periphery is inclined toward the shaft portion side.
  • a support column that has an outer diameter smaller than the inner diameter of the second inner diameter portion and is inserted into the second inner diameter portion is formed to protrude from the tip of the shaft portion, The locking member is supported by the support column and attached to the tip of the shaft portion.
  • the locking member is attached to the distal end of the shaft portion via the support column, it is easy to attach the locking member to the distal end of the shaft portion, and the bending allowance of the locking member is reduced. It can be secured on the part side.
  • the present invention is characterized in that the locking member is attached to the support column so as not to come off in the axial direction of the shaft portion from the support column and to be freely rotatable on the support column.
  • the support column that supports the locking member is In a rotatable state. Therefore, the shaft portion provided with the support column at the tip can be rotated independently of the locking member even when the locking member is fixed to the inner periphery of the second inner diameter portion, and the hinge device is opened and closed. Rotates with one object to support freely. For this reason, the second inner diameter portion of the mounting hole is formed in an object (for example, toilet seat) different from one object (for example, toilet seat) supported by the hinge device so as to be openable and closable.
  • the locking member When fixed, even if the shaft portion fitted to the first inner diameter portion of the mounting hole formed in one object rotates together with the one object, the locking member does not rotate as the shaft portion rotates. Therefore, when the locking member rotates as the shaft portion rotates, friction is generated between the locking member and another object to which the locking member is fixed, and the other object is not damaged. Also, even if another object rotates and the locking member rotates together with another object, the shaft portion does not rotate along with the rotation, so that the hinge device is affected by the rotation of the other object. There is no.
  • the present invention provides a support column formed separately from the shaft portion, a male screw is formed on the outer periphery, and a female screw formed on the inner periphery of a screw hole opened in the axial direction of the shaft portion at the tip of the shaft portion. It is characterized by being attached to the tip of the shaft portion by screwing with a screw.
  • the support column formed separately from the shaft portion is screwed onto the tip of the shaft portion, the support column is rotated by rotating the support column relative to the shaft portion.
  • the length protruding from the tip of the part can be adjusted.
  • the position where the locking member is hooked and fixed to the inner periphery of the second inner diameter portion can be set to a desired position according to the depth of the second inner diameter portion.
  • the fixing position of the locking member can be set to a depth that allows the locking member to be hooked on the inner periphery of the second inner diameter portion.
  • the support column is formed separately from the shaft portion, and is elastically housed in the opening portion of the shaft portion so as to be freely inserted into and removed from the opening portion opened in the axial direction of the shaft portion. Is biased toward the deep side of the second inner diameter portion.
  • the support column is formed on the deep side of the second inner diameter portion by the elastic member built in the opening portion.
  • the locking member is also biased toward the deep side of the second inner diameter portion. For this reason, after assembling into the mounting hole of the hinge device, the locking member is always biased toward the deep side of the second inner diameter portion, so that the locking member does not come out of the second inner diameter portion. Therefore, the holding stability of the locking member on the inner periphery of the second inner diameter portion is improved.
  • the locking member is temporarily retracted, so this retraction serves as a guide for inserting the tip of the shaft into the mounting hole.
  • this retraction serves as a guide for inserting the tip of the shaft into the mounting hole.
  • the present invention it is possible to reduce a management process for managing a fixture such as a spring clip separately from the hinge device, and a processing process for providing an insertion hole in the holder portion. The cost and work burden during the production of the toilet lid are reduced.
  • FIG. (A) is a front view of the hinge apparatus with which the hinge locking mechanism by one Embodiment of this invention was applied, (b) is a side view. It is a perspective view of the hinge apparatus shown in FIG. (A) is the front view of one holder part formed in a toilet seat, (b) is the sectional drawing, (c) is sectional drawing of the holder part by the modification, (d) is formed in a toilet seat Sectional drawing of the other holder part, (e) is the front view.
  • (A) is a side view of the vicinity of the tip of the shaft unit constituting the hinge device shown in FIG. 1, (b) is a front view of a disk hook attached to the tip of the shaft, and (c) is a side view thereof. is there.
  • (A) is a partially broken side view of a hinge lock mechanism according to an embodiment before insertion into the mounting hole of the shaft portion, and (b) is a hinge lock according to one embodiment after insertion into the mounting hole of the shaft portion. It is a partially broken side view of a mechanism.
  • (A) is a partially broken side view of a hinge device to which a hinge locking mechanism according to a first modification of one embodiment is applied, and (b) is a hinge locking mechanism according to a second modification of one embodiment. It is a partially broken side view of the hinge device.
  • (A) is a front view of a modified example of the disc hook shown in FIGS.
  • FIG. 1 (a) and 1 (b) are a front view and a side view of a hinge device 1 to which a hinge lock mechanism according to an embodiment of the present invention is applied.
  • FIG. 2 is a perspective view of the hinge device 10, 10 '.
  • the hinge devices 10 and 10 ′ are configured by integrally forming an attachment / detachment portion 11 and a rotary damper portion 12 in one case 13 made of metal, resin, or the like.
  • a pair of hinge devices 10 and 10 'in a Western-style toilet are used.
  • a hinge device 10 is attached between a toilet seat and a toilet object, and a hinge device 10' is attached between a toilet lid and a toilet object. Then, the toilet seat and the toilet lid, which are one object, are supported to be openable and closable with respect to the toilet which is the other object.
  • a toilet pin to which the toilet seat / toilet lid unit is attached is provided with a hinge pin (not shown), and the attachment / detachment portion 11 of the hinge device 10, 10 ′ is inserted into the attachment / detachment hole 11a opened on the bottom surface thereof. And is attached to and detached from the toilet.
  • FIGS. 3D and 3E are views of the other holder portion 30 formed on the toilet seat. It is sectional drawing and a front view.
  • the shaft portion 14 protruding from the end of the rotary damper portion 12 is inserted into the attachment holes 20a and 30a of the holder portions 20 and 30 after passing through the attachment holes (not shown) of the toilet lid.
  • the first inner diameter portion 20a1 and the second inner diameter portion 20a2 are formed in the mounting hole 20a.
  • the first inner diameter portion 20 a 1 has an inner diameter shape that fits into the shaft portion 14.
  • the shaft portion 14 is formed of a metal, a resin, or the like, and includes a guide curved surface portion 14a whose arc-shaped peripheral surfaces face each other and a flat surface portion 14b whose planes face each other in parallel.
  • An arc part 20a11 having a shape corresponding to the guide curved surface part 14a and a wall part 20a12 facing each other corresponding to the flat part 14b are formed on the inner periphery of the first inner diameter part 20a1.
  • the second inner diameter portion 20a2 has a hollow cylindrical shape having an inner diameter ⁇ 2 ( ⁇ 2 ⁇ 11) smaller than the outer diameter ⁇ 11 of the guide curved surface portion 14a in the shaft portion 14, and the first inner diameter portion is formed at the deepest portion of the first inner diameter portion 20a1. Opening is continued to the portion 20a1.
  • the second inner diameter portion 20a2 may be formed through the holder portion 20 as shown in the cross-sectional view of FIG.
  • a first inner diameter part 30a1 and a second inner diameter part 30a2 are formed in the mounting hole 30a.
  • the second inner diameter portion 30a2 has the same opening shape as the second inner diameter portion 20a2 of the mounting hole 20a, and may be formed through the holder portion 30 as shown in FIG.
  • the first inner diameter portion 30a1 corresponding to the first inner diameter portion 20a1 has a hollow cylindrical shape having the same diameter as the arc portion 20a11, and is a wall like a wall portion 20a12 that fits into the flat portion 14b of the shaft portion 14. Does not have a part.
  • An attachment hole (not shown) of the toilet lid is provided in communication with the attachment hole 30a of the toilet seat.
  • the attachment hole (not shown) of the toilet lid has a first opening (not shown) having the same opening shape as the first inner diameter portion 20a1.
  • One inner diameter portion is formed.
  • the second inner diameter portion 30a2 opens at the deepest portion of the first inner diameter portion 30a1 in connection with the first inner diameter portion and the first inner diameter portion 30a1 (not shown).
  • the shaft portion 14 has a disk hook 15 as a locking member at the tip.
  • the disk hook 15 is a front view shown in FIG. 4B and a side view shown in FIG. 4C, and is made of a metal disk-like member having a plurality of convex portions 15a formed on the outer periphery, and the outer periphery is a shaft portion. It is inclined to the 14 side. Moreover, it is mirror-symmetrical in front view.
  • the disk hook 15 has an outer diameter ⁇ 3 ( ⁇ 3 ⁇ ⁇ 2) equal to or greater than the inner diameter ⁇ 2 of the second inner diameter portions 20a2 and 30a2 of the mounting holes 20a and 30a, and has elasticity, and the second inner diameter portions 20a2 and 30a2 The outer periphery is caught by the inner periphery of the second inner diameter portions 20a2, 30a2.
  • the support column 16 has an outer diameter ⁇ 4 ( ⁇ 4 ⁇ 2) smaller than the inner diameter ⁇ 2 of the second inner diameter portions 20a2 and 30a2.
  • this outer diameter ⁇ 4 is 50% or less ( ⁇ 4 ⁇ 0.5 ⁇ ⁇ 11) of the outer diameter ⁇ 11 of the guide curved surface portion 14a in the shaft portion 14, and 70% of the outer diameter ⁇ 12 of the plane portion 14b.
  • the following is set ( ⁇ 4 ⁇ 0.7 ⁇ ⁇ 12).
  • the disk hook 15 is supported by the support column 16 and attached to the tip of the shaft portion 14.
  • the disc hook 15 is attached to the support column 16 by inserting a caulking allowance 16a into a hole 15b opened in the center of the disc portion of the disc hook 15 and out of the tip end of the caulking allowance 16a protruding from the thickness t of the disc portion of the disc hook 15.
  • the periphery is crushed in a direction extending to the outer periphery by spin caulking, press caulking, or the like. By this caulking, the disc hook 15 is attached to the support column 16 so as not to come off from the support column 16 in the axial direction of the shaft portion 14 and to be rotatable to the support column 16.
  • the support column 16, the disk hook 15, and the second inner diameter portions 20a2 and 30a2 constitute a hinge lock mechanism according to an embodiment of the present invention.
  • the hinge lock mechanism the hinge devices 10 and 10 'that support the opening and closing of the toilet seat and the toilet bowl and between the toilet lid and the toilet bowl are removed from the mounting holes 20a and 30a into which the shaft portion 14 is inserted. To prevent.
  • FIG. 5A is a partially broken side view of the hinge device 10 before the shaft portion 14 is inserted into the mounting hole 20a of the holder portion 20, and FIG. 5B shows the shaft portion 14 having the mounting hole 20a. It is a partially broken side view in the state after inserting in.
  • FIG. 5 the same parts as those in FIG.
  • the shaft portion 14 of the hinge device 10 When the shaft portion 14 of the hinge device 10 is inserted into the mounting hole 20a from the state shown in FIG. 5A, the shaft portion 14 is fitted to the first inner diameter portion 20a1 as shown in FIG. 5B. At the same time, the disc hook 15 provided at the tip of the shaft portion 14 is inserted into the second inner diameter portion 20a2. At this time, the disk hook 15 is bent and elastically deformed by its elasticity and enters the second inner diameter portion 20a2, and the outer periphery thereof is hooked on the inner periphery of the second inner diameter portion 20a2.
  • the shaft portion 14 having the disc hook 15 at the tip end is opposed to the pulling force by the disc hook 15 being hooked on the inner periphery of the second inner diameter portion 20a2 even if a force to pull out from the mounting hole 20a is applied.
  • the hinge device 10 cannot be removed from the mounting hole 20a.
  • the shaft portion 14 is inserted into the attachment hole 30a, and the disc hook 15 is inserted into the second inner diameter portion 30a2, so that the hinge device 10' cannot be removed from the attachment hole 30a.
  • the hinge devices 10 and 10 ' are pulled out from the mounting holes 20a and 30a with a force larger than the opposing force of the disk hook 15, the mounting holes 20a and 30a are plastically deformed and the hinge devices 10 and 10' are removed from the holder portions 20 and 30. Can be removed.
  • the hinge devices 10 and 10 ' can be prevented from being detached from the mounting holes 20a and 30a without using a fixture such as a conventional spring clip. For this reason, it is not necessary to prepare a fixture such as a spring clip separately from the hinge devices 10 and 10 ′, and the management process for managing the fixture such as a spring clip separately from the hinge devices 10 and 10 ′ can be reduced. I can do it. Moreover, the insertion hole for letting fixing tools, such as a spring clip, pass to the holder parts 20 and 30 becomes unnecessary, and the process process which provides an insertion hole in the holder parts 20 and 30 can be reduced.
  • the second inner diameter portions 20a2 and 30a2 of the mounting holes 20a and 30a only need to have a certain depth or more, and the inner diameter ⁇ 2 does not require accuracy and does not require fine finishing.
  • the hinge lock mechanism when the shaft portion 14 is subjected to a pulling force from the mounting holes 20a and 30a, the convex portion 15a on the outer periphery of the disc hook 15 is formed on the inner periphery of the second inner diameter portions 20a2 and 30a2. Bite. For this reason, the force with which the disk hook 15 opposes the force with which the shaft portion 14 is pulled out increases, and the hinge devices 10 and 10 'do not come out of the mounting holes 20a and 30a firmly.
  • the outer periphery of the disc hook 15 is inclined toward the shaft portion 14, when the shaft portion 14 is subjected to a pulling force from the mounting holes 20 a, 30 a, the convex portion 15 a on the outer periphery of the disc hook 15 becomes the second inner diameter portion 20 a 2. , 30a2 is bitten sharply by the inner circumference. For this reason, the hinge devices 10 and 10 ′ cannot be removed from the mounting holes 20 a and 30 a more firmly. If the outer periphery of the disc hook 15 is inclined toward the shaft portion 14, the disc hook 15 smoothly enters the second inner diameter portions 20a2 and 30a2 when the shaft portion 14 is inserted into the mounting holes 20a and 30a. Assembling property of the devices 10 and 10 ′ into the mounting holes 20a and 30a is improved.
  • the disc hook 15 is attached to the tip of the shaft portion 14 via the support column 16, so that the disc hook 15 can be easily attached to the tip of the shaft portion 14, The bending allowance of the disc hook 15 can be secured on the shaft portion 14 side of the disc hook 15.
  • the hinge lock mechanism even when the disk hook 15 is hooked on the inner periphery of the second inner diameter portions 20a2 and 30a2 and is fixed to the inner periphery of the second inner diameter portions 20a2 and 30a2.
  • the support column 16 that supports the hook 15 is kept rotatable with respect to the disk hook 15. Therefore, the shaft portion 14 provided with the support column 16 at the tip can rotate independently of the disc hook 15 even when the disc hook 15 is fixed to the inner circumference of the second inner diameter portions 20a2 and 30a2.
  • the hinge devices 10 and 10 rotate together with the toilet seat and the toilet lid, which are one object that can be opened and closed.
  • the shaft portion 14 passes through a mounting hole (not shown) of the toilet lid and is fitted into a first inner diameter portion 20a1 provided in the toilet seat, whereby the shaft portion 14 is fitted. Rotates with the opening and closing of the toilet seat, and the rotary damper portion 12 provides resistance to the closing operation of the toilet seat.
  • the mounting hole (not shown) formed in the toilet lid through which the shaft portion 14 is passed has a hollow cylindrical shape and does not include a wall portion that fits into the flat portion 14b of the shaft portion 14, The shaft portion 14 is idled and the toilet lid is not affected by the opening / closing operation of the toilet seat.
  • the hinge device 10 ′ attached between the toilet lid and the toilet bowl object has a shaft portion 14 at a first inner diameter portion of a mounting hole (not shown) formed in the toilet lid with an opening shape similar to the first inner diameter portion 20 a 1.
  • the shaft portion 14 rotates as the toilet lid opens and closes, and the rotary damper portion 12 provides resistance to the toilet lid closing operation.
  • the disc hook 15 provided at the tip of the shaft portion 14 is passed through the first inner diameter portion of the mounting hole (not shown) and then the second inner diameter portion 30a2 in the mounting hole 30a of the holder portion 30 provided in the toilet seat. Be hooked on. Since the first inner diameter portion 30a1 in the mounting hole 30a of the holder portion 30 has a hollow cylindrical shape as described above, the shaft portion 14 of the hinge device 10 'does not rotate with the opening and closing of the toilet seat, but rotates freely.
  • the second inner diameter portion 30a2 of the mounting hole 30a is formed in the toilet seat which is an object different from the toilet lid which is one object which the hinge device 10 'supports to be freely opened and closed, and a disk is formed on the second inner diameter portion 30a2.
  • the hook 15 is fixed, even if the shaft portion 14 rotates together with the toilet lid, the disc hook 15 does not rotate as the shaft portion 14 rotates. Therefore, when the disc hook 15 rotates as the shaft portion 14 rotates, friction is generated between the disc hook 15 and the toilet seat mounting hole 30a to which the disc hook 15 is fixed, and the toilet seat mounting hole 30a is damaged. Absent. Further, even if the toilet seat rotates and the disc hook 15 rotates together with the toilet seat, the shaft portion 14 of the hinge device 10 ′ does not rotate along with the rotation, so the hinge device 10 ′ is influenced by the rotation of the toilet seat. None happen.
  • FIG. 6A is a partially cutaway side view of the hinge device 10A to which the hinge lock mechanism according to the first modification of the embodiment is applied. 6 that are the same as or correspond to those in FIG. 5 are assigned the same reference numerals, and descriptions thereof are omitted.
  • the support column 16A is formed as an adapter separately from the shaft portion 14.
  • the support column 16A has a short large diameter portion 16A1 on the tip side, a long small diameter portion 16A2 on the base side, and a male screw formed on the outer periphery of the small diameter portion 16A2.
  • a female screw is formed at the tip of the shaft portion 14 on the inner periphery of a screw hole 14c opened in the axial direction of the shaft portion 14.
  • the support column 16A is attached to the tip end of the shaft portion 14 with the male screw of the small diameter portion 16A2 screwed with the female screw of the screw hole 14c.
  • the above-described crimping allowance 16a is formed at the tip of the large-diameter portion 16A1, and the disk hook 15 is attached by crimping similarly to the above-described embodiment.
  • the support column 16A formed separately from the shaft portion 14 is screwed onto the tip of the shaft portion 14, and thus the support column 16A is attached to the shaft portion 14.
  • the length of the support column 16A protruding from the tip end of the shaft portion 14 can be adjusted by rotating it relatively. Therefore, the position at which the disk hook 15 is hooked and fixed to the inner circumference of the second inner diameter portions 20a2, 30a2 can be set to a desired position according to the depth of the second inner diameter portions 20a2, 30a2.
  • the disk hook 15 is fixed to a depth that allows the hooking of the disc hook 15 to the inner circumference of the second inner diameter portions 20a2 and 30a2 to be just right.
  • the position can be set.
  • FIG. 6B is a partially cutaway side view of the hinge device 10B to which the hinge lock mechanism according to the second modification of the embodiment is applied.
  • the support column 16B is formed as an adapter separately from the shaft portion 14.
  • the support column 16B has a short small diameter portion 16B2 formed at the end of the long large diameter portion 16B1, and is accommodated in an opening portion 14d opened in the axial direction of the shaft portion 14 at the tip end of the shaft portion 14 so as to be freely inserted and removed.
  • the support column 16B is biased toward the deep side of the second inner diameter portions 20a2 and 30a2 by the compression coil spring 17 which is an elastic member built in the opening 14d. Is done.
  • One end of the compression coil spring 17 is press-fitted into a boss 14e formed at the bottom of the opening 14d, and the other end is press-fitted into the small-diameter portion 16B2 of the support column 16B, thereby preventing the compression coil spring 17 from coming out of the opening 14d.
  • the above-described crimping allowance 16a is formed at the tip of the large-diameter portion 16B1, and the disk hook 15 is attached by crimping as in the above-described embodiment.
  • the shaft portion 14 is inserted into the mounting holes 20a and 30a and the disc hook 15 is inserted into the second inner diameter portions 20a2 and 30a2, and is incorporated in the opening portion 14d. Since the support pillar 16B is urged toward the deep side of the second inner diameter portions 20a2 and 30a2 by the compression coil spring 17, the disk hook 15 is also urged toward the deep side of the second inner diameter portions 20a2 and 30a2. For this reason, the disc hook 15 is always urged to the deep side of the second inner diameter portions 20a2 and 30a2 after the hinge device 10B is assembled into the mounting holes 20a and 30a, so that the disc hook 15 has the second inner diameter portion 20a2.
  • 30a2 is always pushed in the direction of the deep part so as not to come off, so that the holding stability of the disk hook 15 on the inner circumference of the second inner diameter parts 20a2, 30a2 is improved. Further, when the disk hook 15 at the tip of the shaft portion 14 hits the periphery of the mounting holes 20a and 30a when the hinge device 10B is assembled into the mounting holes 20a and 30a, the disk hook 15 is temporarily retracted. The tip of the shaft portion 14 is guided to be inserted into the mounting holes 20a and 30a, so that the tip of the shaft portion 14 can be easily inserted into the mounting holes 20a and 30a, and the incorporation into the mounting holes 20a and 30a of the hinge device 10B is improved.
  • the disk hook 15 constituting the locking member is formed from a disk-like member having the convex portion 15b formed on the outer periphery shown in FIG. 4 has been described.
  • the shape of the locking member is not limited to this.
  • a disc-like member having a plurality of notches 18a on the outer periphery and a hole 18b in the center such as the disc hook 18 shown in the front and side views of FIGS.
  • the locking member may be configured so as to be inclined toward the shaft portion 14. Further, like a disc hook 19 shown in the front and side views of FIGS.
  • the outer periphery is a disc-shaped member having a circular shape and a hole 19a formed in the center, and the outer periphery is a shaft portion.
  • You may comprise a latching member so that it may incline in the shape of a mortar to 14 side.
  • an attachment allowance 16b in which a groove 16c is formed is provided at the tip of the support pillars 16, 16A, 16B, and the holes 15b of the disk hooks 15, 18, 19 are provided in the groove 16c. 18b and 19a may be fitted and the disk hooks 15, 18 and 19 may be attached to the tip of the shaft portion 14.
  • the disk hooks 15, 18, and 19 do not come off from the support columns 16, 16 ⁇ / b> A, and 16 ⁇ / b> B in the axial direction of the shaft portion 14 and are rotatable to the support columns 16, 16 ⁇ / b> A, and 16 ⁇ / b> B. It is attached to 16A and 16B.
  • the hinge lock mechanism according to the present invention is applied to a hinge device of a Western-style toilet.
  • the hinge lock mechanism according to the present invention is not limited to the hinge device of a Western-style toilet, but can be similarly applied to other hinge devices that support opening and closing between objects. The same effect is produced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

Provided is a hinge lock mechanism that reduces the cost and work load for production of a toilet or a toilet seat and a toilet seat cover. A hinge lock mechanism according to one embodiment is configured from a support column 16, a disk hook 15, and a second inner diameter part 20a2, 30a2. This hinge lock mechanism prevents a hinge device 10, 10' from slipping out of an attachment hole 20a, 30a into which a shaft part 14 thereof is inserted, the hinge device 10, 10'supporting a toilet seat and a toilet bowl in such a manner to allow these objects to be freely opened and closed and supporting a toilet seat cover and the toilet bowl in such a manner to allow these objects to be freely opened and closed. When the shaft part 14 is inserted into the attachment hole 20a, the shaft part 14 fits into a first inner diameter part 20a1 and the disk hook 15, which is provided at the leading end of the shaft part 14, is inserted into the second inner diameter part 20a2. At this time, because of the elasticity thereof, the disk hook 15 bends and elastically deforms to fit into the second inner diameter part 20a2. Consequently, the outer circumference of the disk hook is caught on the inner circumference of the second inner diameter part 20a2.

Description

ヒンジロック機構Hinge lock mechanism
　本発明は、物体間を開閉自在に支持するヒンジ装置がそのシャフト部が挿入される取付穴から抜けるのを防ぐヒンジロック機構に関するものである。 The present invention relates to a hinge lock mechanism that prevents a hinge device that supports an object from being openable and closable from coming out of a mounting hole into which a shaft portion is inserted.
　従来この種のヒンジロック機構としては、例えば、特許文献１に開示された、トイレ便座の取付構造におけるものがある。 Conventionally, as this type of hinge lock mechanism, there is one in the toilet toilet seat mounting structure disclosed in Patent Document 1, for example.
　同文献におけるトイレ便座の取付構造では、便座や便蓋におけるホルダ部の取付穴にシャフト状をしたヒンジ装置のアダプタ部材が挿入された後、アダプタ部材に設けられた溝にスプリングクリップの脚部が嵌められる。この際、スプリングクリップの脚部は、便座や便蓋のホルダ部側方に開口した挿入孔を通される。スプリングクリップの脚部がこの挿入孔を通ってアダプタ部材に設けられた溝に嵌められることで、ヒンジ装置は取付穴から抜けなくなり、便座や便蓋に固定される。 In the toilet toilet seat mounting structure in the same document, after the adapter member of the hinge device having a shaft shape is inserted into the mounting hole of the holder portion in the toilet seat or toilet lid, the leg portion of the spring clip is inserted into the groove provided in the adapter member. Fitted. At this time, the leg portion of the spring clip is passed through the insertion hole opened to the side of the holder portion of the toilet seat or toilet lid. The leg portion of the spring clip is fitted into the groove provided in the adapter member through the insertion hole, so that the hinge device cannot be removed from the attachment hole and is fixed to the toilet seat or the toilet lid.
独国特許出願公開第１００５１８０５号明細書German Patent Application Publication No. 10051805
　しかしながら、特許文献１に開示された上記従来のヒンジロック機構では、ヒンジ装置をホルダ部の取付穴から抜けなくするため、スプリングクリップ等の固定具をヒンジ装置とは別に用意する必要がある。また、スプリングクリップをアダプタ部材の溝に嵌めるために、便座や便蓋のホルダ部側方に取付穴に通じる挿入孔を設ける必要もある。したがって、上記従来のヒンジロック機構では、ヒンジ装置を使ったトイレの製造時、スプリングクリップ等の固定具をヒンジ装置とは別個に管理する管理工程が必要になる。また、便座や便蓋の製造時、ホルダ部に挿入孔を設ける加工工程も必要になる。このため、従来、これらの管理工程や加工工程がトイレや便座・便蓋の製造時におけるコスト面および作業面の負担となっていた。 However, in the above-described conventional hinge lock mechanism disclosed in Patent Document 1, it is necessary to prepare a fixing tool such as a spring clip separately from the hinge device in order to prevent the hinge device from coming out of the attachment hole of the holder portion. In addition, in order to fit the spring clip into the groove of the adapter member, it is necessary to provide an insertion hole leading to the attachment hole on the side of the toilet seat or the toilet lid. Therefore, the conventional hinge lock mechanism requires a management process for managing a fixture such as a spring clip separately from the hinge device when a toilet using the hinge device is manufactured. Moreover, the manufacturing process which provides an insertion hole in a holder part at the time of manufacture of a toilet seat and a toilet lid is also needed. For this reason, conventionally, these management processes and processing processes have been a burden on the cost and work of manufacturing toilets, toilet seats, and toilet lids.
　本発明はこのような課題を解決するためになされたもので、
物体間を開閉自在に支持するヒンジ装置がそのシャフト部が挿入される取付穴から抜けるのを防ぐヒンジロック機構において、
シャフト部に嵌合する内径形状を有する第１内径部と、シャフト部の外径より小さな内径をして第１内径部の最深部に第１内径部に連なって開口する第２内径部とが取付穴に形成され、
第２内径部の内径と同等以上の外径をして弾性を有し、第２内径部に差し込まれて外周が第２内径部の内周に引っ掛かる係止部材をシャフト部の先端に備える
ことを特徴とする。 The present invention has been made to solve such problems,
In the hinge lock mechanism that prevents the hinge device that supports the object from being freely opened and closed from coming out of the mounting hole into which the shaft portion is inserted,
A first inner diameter portion having an inner diameter shape that fits into the shaft portion, and a second inner diameter portion that has an inner diameter smaller than the outer diameter of the shaft portion and opens at the deepest portion of the first inner diameter portion and continues to the first inner diameter portion. Formed in the mounting hole,
Provided with a locking member at the tip of the shaft portion that has an outer diameter equal to or greater than the inner diameter of the second inner diameter portion, has elasticity, and is inserted into the second inner diameter portion and the outer periphery is hooked on the inner periphery of the second inner diameter portion. It is characterized by.
　本構成によれば、ヒンジ装置のシャフト部が取付穴に挿入されると、シャフト部が第１内径部に嵌合すると共に、シャフト部の先端に備えられる係止部材が第２内径部に差し込まれる。この際、係止部材はその弾性によって撓んで弾性変形して第２内径部に入り込み、その外周が第２内径部の内周に引っ掛かる。先端にこの係止部材を備えるシャフト部は、取付穴から抜き取る力がかかっても、係止部材が第２内径部の内周に引っ掛かってこの抜き取る力に対抗するので、取付穴から抜けなくなり、ヒンジ装置は取付穴から抜けなくなる。したがって、従来のスプリングクリップ等の固定具を使用することなく、ヒンジ装置を取付穴から抜けなくすることが出来る。このため、スプリングクリップ等の固定具をヒンジ装置と別に用意する必要がなくなり、スプリングクリップ等の固定具をヒンジ装置とは別個に管理する管理工程を削減することが出来る。また、スプリングクリップ等の固定具をホルダ部に通すための挿入孔が不要になり、ホルダ部に挿入孔を設ける加工工程を削減することが出来る。この結果、ヒンジ装置を使ったトイレの製造時や、便座・便蓋の製造時におけるコスト面および作業面の負担を軽減することが出来る。 According to this configuration, when the shaft portion of the hinge device is inserted into the mounting hole, the shaft portion is fitted into the first inner diameter portion, and the locking member provided at the tip of the shaft portion is inserted into the second inner diameter portion. It is. At this time, the locking member is bent and elastically deformed by the elasticity and enters the second inner diameter portion, and the outer periphery thereof is caught by the inner periphery of the second inner diameter portion. The shaft portion provided with this locking member at the tip is not pulled out from the mounting hole because the locking member is caught on the inner periphery of the second inner diameter portion and counters this pulling force even if a force to pull out from the mounting hole is applied. The hinge device cannot be removed from the mounting hole. Therefore, the hinge device can be prevented from being removed from the mounting hole without using a conventional fixture such as a spring clip. For this reason, it is not necessary to prepare a fixture such as a spring clip separately from the hinge device, and the management process for managing the fixture such as a spring clip separately from the hinge device can be reduced. In addition, an insertion hole for passing a fixing tool such as a spring clip through the holder portion becomes unnecessary, and the processing step of providing the insertion hole in the holder portion can be reduced. As a result, it is possible to reduce the cost and work load at the time of manufacturing a toilet using a hinge device and at the time of manufacturing a toilet seat and toilet lid.
　また、本発明は、係止部材が、外周に複数の凸部が形成された円盤状部材、または、外周に複数の切り欠き部が形成された円盤状部材、または、外周が円形をした円盤状部材であって、外周がシャフト部側に傾斜していることを特徴とする。 Further, the present invention provides a locking member, a disk-shaped member having a plurality of protrusions formed on the outer periphery, a disk-shaped member having a plurality of notches formed on the outer periphery, or a disk having a circular outer periphery. The outer periphery is inclined toward the shaft portion side.
　本構成によれば、シャフト部に取付穴から抜き取る力がかかると、係止部材の外周が第２内径部の内周に噛み込む。このため、係止部材がシャフト部を抜き取る力に対抗する力は大きくなり、ヒンジ装置は堅固に取付穴から抜けなくなる。また、係止部材の外周がシャフト部側に傾斜しているので、シャフト部に取付穴から抜き取る力がかかると、係止部材の外周は第２内径部の内周により鋭く噛み込む。このため、ヒンジ装置はより堅固に取付穴から抜けなくなる。また、係止部材の外周がシャフト部側に傾斜していると、シャフト部を取付穴に挿入する際、係止部材はスムーズに第２内径部に入り込み、ヒンジ装置の取付穴への組み込み性が向上する。 According to this configuration, when a force is extracted from the mounting hole to the shaft portion, the outer periphery of the locking member is engaged with the inner periphery of the second inner diameter portion. For this reason, the force with which the locking member opposes the force for pulling out the shaft portion increases, and the hinge device does not come out of the mounting hole firmly. Further, since the outer periphery of the locking member is inclined toward the shaft portion, the outer periphery of the locking member is sharply bitten by the inner periphery of the second inner diameter portion when a force for extracting the shaft portion from the mounting hole is applied. For this reason, the hinge device does not come out of the mounting hole more firmly. Further, if the outer periphery of the locking member is inclined toward the shaft portion side, when the shaft portion is inserted into the mounting hole, the locking member smoothly enters the second inner diameter portion and can be incorporated into the mounting hole of the hinge device. Will improve.
　また、本発明は、第２内径部の内径より小さな外径をして第２内径部に差し込まれる支持柱がシャフト部の先端に突出して形成され、
係止部材が支持柱に支えられてシャフト部の先端に取り付けられる
ことを特徴とする。 Further, in the present invention, a support column that has an outer diameter smaller than the inner diameter of the second inner diameter portion and is inserted into the second inner diameter portion is formed to protrude from the tip of the shaft portion,
The locking member is supported by the support column and attached to the tip of the shaft portion.
　支持柱を介してシャフト部の先端に係止部材が取り付けられる本構成によれば、係止部材のシャフト部先端への取り付けが容易になると共に、係止部材の撓み代を係止部材のシャフト部側に確保することが出来る。 According to the present configuration in which the locking member is attached to the distal end of the shaft portion via the support column, it is easy to attach the locking member to the distal end of the shaft portion, and the bending allowance of the locking member is reduced. It can be secured on the part side.
　また、本発明は、係止部材が、支持柱からシャフト部の軸方向に抜けず、かつ、支持柱に回転自在に、支持柱に取り付けられることを特徴とする。 Further, the present invention is characterized in that the locking member is attached to the support column so as not to come off in the axial direction of the shaft portion from the support column and to be freely rotatable on the support column.
　本構成によれば、係止部材が第２内径部の内周に引っ掛かって第２内径部の内周に固定されている状態においても、係止部材を支持する支持柱は係止部材に対して回転可能な状態に保たれる。したがって、支持柱が先端に設けられたシャフト部は、係止部材が第２内径部の内周に固定されている状態においても、係止部材とは独立に回転可能であり、ヒンジ装置が開閉自在に支持する一方の物体と共に回転する。このため、ヒンジ装置が開閉自在に支持する一方の物体（例えば便蓋）とは別の物体（例えば便座）に取付穴の第２内径部が形成され、その第２内径部に係止部材が固定される場合、一方の物体に形成された取付穴の第１内径部に嵌合するシャフト部が一方の物体と共に回転しても、係止部材は、シャフト部の回転に伴って回転しない。よって、係止部材がシャフト部の回転に伴って回転することで、係止部材が固定されている別の物体との間に摩擦を生じて、別の物体を傷付けることはない。また、別の物体が回転して別の物体と共に係止部材が回転しても、その回転に伴ってシャフト部が回転することはないため、ヒンジ装置が別の物体の回転に影響されることはない。 According to this configuration, even when the locking member is hooked on the inner periphery of the second inner diameter portion and fixed to the inner periphery of the second inner diameter portion, the support column that supports the locking member is In a rotatable state. Therefore, the shaft portion provided with the support column at the tip can be rotated independently of the locking member even when the locking member is fixed to the inner periphery of the second inner diameter portion, and the hinge device is opened and closed. Rotates with one object to support freely. For this reason, the second inner diameter portion of the mounting hole is formed in an object (for example, toilet seat) different from one object (for example, toilet seat) supported by the hinge device so as to be openable and closable. When fixed, even if the shaft portion fitted to the first inner diameter portion of the mounting hole formed in one object rotates together with the one object, the locking member does not rotate as the shaft portion rotates. Therefore, when the locking member rotates as the shaft portion rotates, friction is generated between the locking member and another object to which the locking member is fixed, and the other object is not damaged. Also, even if another object rotates and the locking member rotates together with another object, the shaft portion does not rotate along with the rotation, so that the hinge device is affected by the rotation of the other object. There is no.
　また、本発明は、支持柱が、シャフト部と別体に形成されて外周に雄ネジが形成され、シャフト部の先端にシャフト部の軸方向に開口したネジ穴の内周に形成された雌ネジと螺合して、シャフト部の先端に取り付けられることを特徴とする。 Further, the present invention provides a support column formed separately from the shaft portion, a male screw is formed on the outer periphery, and a female screw formed on the inner periphery of a screw hole opened in the axial direction of the shaft portion at the tip of the shaft portion. It is characterized by being attached to the tip of the shaft portion by screwing with a screw.
　本構成によれば、シャフト部と別体に形成された支持柱がシャフト部の先端に螺合して取り付けられるため、支持柱をシャフト部に対して相対的に回すことで、支持柱がシャフト部の先端から突出する長さを調整することができる。このため、係止部材が第２内径部の内周に引っ掛かって固定される位置を、第２内径部の深さに応じて所望の位置に設定することができる。また、第２内径部の実際の形状に応じて、係止部材の第２内径部内周への引っ掛かり具合が丁度よい深さに、係止部材の固定位置を設定することができる。 According to this configuration, since the support column formed separately from the shaft portion is screwed onto the tip of the shaft portion, the support column is rotated by rotating the support column relative to the shaft portion. The length protruding from the tip of the part can be adjusted. For this reason, the position where the locking member is hooked and fixed to the inner periphery of the second inner diameter portion can be set to a desired position according to the depth of the second inner diameter portion. Further, according to the actual shape of the second inner diameter portion, the fixing position of the locking member can be set to a depth that allows the locking member to be hooked on the inner periphery of the second inner diameter portion.
　また、本発明は、支持柱が、シャフト部と別体に形成されて、シャフト部の先端にシャフト部の軸方向に開口した開口部に出し入れ自在に収納され、開口部に内蔵された弾性部材によって第２内径部の深部側に付勢されることを特徴とする。 Further, according to the present invention, the support column is formed separately from the shaft portion, and is elastically housed in the opening portion of the shaft portion so as to be freely inserted into and removed from the opening portion opened in the axial direction of the shaft portion. Is biased toward the deep side of the second inner diameter portion.
　本構成によれば、シャフト部が取付穴に挿入されて係止部材が第２内径部に差し込まれた状態において、開口部に内蔵された弾性部材によって第２内径部の深部側に支持柱が付勢されることで、係止部材も第２内径部の深部側に付勢される。このため、ヒンジ装置の取付穴への組み込み後において、係止部材が第２内径部の深部側に常に付勢されることで、係止部材は第２内径部から抜けないその深部側の方向へ常に押されるので、係止部材の第２内径部内周への保持安定性が高められる。また、ヒンジ装置の取付穴への組み込み時において、シャフト部先端の係止部材が取付穴の周囲に当たると、係止部材が一旦引っ込むので、この引っ込みがシャフト部先端を取付穴に挿入する案内になって、シャフト部先端を取付穴に挿入し易くなり、ヒンジ装置の取付穴への組み込み性が向上する。 According to this configuration, in a state where the shaft portion is inserted into the mounting hole and the locking member is inserted into the second inner diameter portion, the support column is formed on the deep side of the second inner diameter portion by the elastic member built in the opening portion. By being biased, the locking member is also biased toward the deep side of the second inner diameter portion. For this reason, after assembling into the mounting hole of the hinge device, the locking member is always biased toward the deep side of the second inner diameter portion, so that the locking member does not come out of the second inner diameter portion. Therefore, the holding stability of the locking member on the inner periphery of the second inner diameter portion is improved. In addition, when the locking device at the tip of the shaft hits the periphery of the mounting hole when the hinge device is assembled into the mounting hole, the locking member is temporarily retracted, so this retraction serves as a guide for inserting the tip of the shaft into the mounting hole. Thus, it becomes easier to insert the tip of the shaft portion into the mounting hole, and the assemblability of the hinge device into the mounting hole is improved.
　本発明によれば、スプリングクリップ等の固定具をヒンジ装置とは別個に管理する管理工程、および、ホルダ部に挿入孔を設ける加工工程を削減することが出来、トイレの製造時や、便座・便蓋の製造時におけるコスト面および作業面の負担が軽減される。 According to the present invention, it is possible to reduce a management process for managing a fixture such as a spring clip separately from the hinge device, and a processing process for providing an insertion hole in the holder portion. The cost and work burden during the production of the toilet lid are reduced.
（ａ）は、本発明の一実施形態によるヒンジロック機構が適用されたヒンジ装置の正面図、（ｂ）は側面図である。(A) is a front view of the hinge apparatus with which the hinge locking mechanism by one Embodiment of this invention was applied, (b) is a side view. 図１に示すヒンジ装置の斜視図である。It is a perspective view of the hinge apparatus shown in FIG. （ａ）は、便座に形成される一方のホルダ部の正面図、（ｂ）はその断面図、（ｃ）はその変形例によるホルダ部の断面図、（ｄ）は、便座に形成される他方のホルダ部の断面図、（ｅ）はその正面図である。(A) is the front view of one holder part formed in a toilet seat, (b) is the sectional drawing, (c) is sectional drawing of the holder part by the modification, (d) is formed in a toilet seat Sectional drawing of the other holder part, (e) is the front view. （ａ）は、図１に示すヒンジ装置を構成するシャフト部単体の先端部付近の側面図、（ｂ）は、シャフト部先端に取り付けられるディスクフックの正面図、（ｃ）はその側面図である。(A) is a side view of the vicinity of the tip of the shaft unit constituting the hinge device shown in FIG. 1, (b) is a front view of a disk hook attached to the tip of the shaft, and (c) is a side view thereof. is there. （ａ）は、シャフト部の取付穴への挿入前における一実施形態によるヒンジロック機構の一部破断側面図、（ｂ）は、シャフト部の取付穴への挿入後における一実施形態によるヒンジロック機構の一部破断側面図である。(A) is a partially broken side view of a hinge lock mechanism according to an embodiment before insertion into the mounting hole of the shaft portion, and (b) is a hinge lock according to one embodiment after insertion into the mounting hole of the shaft portion. It is a partially broken side view of a mechanism. （ａ）は、一実施形態の第１変形例によるヒンジロック機構が適用されたヒンジ装置の一部破断側面図、（ｂ）は、一実施形態の第２変形例によるヒンジロック機構が適用されたヒンジ装置の一部破断側面図である。(A) is a partially broken side view of a hinge device to which a hinge locking mechanism according to a first modification of one embodiment is applied, and (b) is a hinge locking mechanism according to a second modification of one embodiment. It is a partially broken side view of the hinge device. （ａ）は、図４（ｂ），（ｃ）に示すディスクフックの変形例の正面図、（ｂ）はその側面図、（ｃ）は、同ディスクフックの他の変形例の正面図、（ｄ）はその側面図、（ｅ）は、図４（ａ）に示す支持柱の変形例を示すシャフト部単体の先端部付近の側面図である。(A) is a front view of a modified example of the disc hook shown in FIGS. 4 (b) and (c), (b) is a side view thereof, and (c) is a front view of another modified example of the disc hook, (D) is the side view, (e) is a side view of the vicinity of the tip of the shaft unit alone showing a modification of the support column shown in FIG. 4 (a).
　次に、本発明によるヒンジロック機構を洋式トイレのヒンジ装置に適用した、本発明を実施するための形態について説明する。 Next, a mode for carrying out the present invention in which the hinge lock mechanism according to the present invention is applied to a hinge device of a Western style toilet will be described.
　図１（ａ）および（ｂ）は、本発明の一実施形態によるヒンジロック機構が適用されたヒンジ装置１の正面図および側面図である。図２はヒンジ装置１０，１０’の斜視図である。 1 (a) and 1 (b) are a front view and a side view of a hinge device 1 to which a hinge lock mechanism according to an embodiment of the present invention is applied. FIG. 2 is a perspective view of the hinge device 10, 10 '.
　ヒンジ装置１０，１０’は、着脱部１１とロータリーダンパ部１２とが金属や樹脂等からなる一つのケース１３内に一体に成形されて、構成される。洋式トイレにおけるヒンジ装置１０，１０’は、一対で用いられ、便座および便器の物体間にはヒンジ装置１０、便蓋および便器の物体間にはヒンジ装置１０’が取り付けられる。そして、一方の物体である便座および便蓋を他方の物体である便器に対して、それぞれ開閉自在に支持する。便座・便蓋ユニットが取り付けられる便器には不図示のヒンジピンが一対立設され、ヒンジ装置１０，１０’の着脱部１１は、その底面に開口した着脱孔１１ａにヒンジピンが挿入されることでヒンジピンと係合し、便器に着脱される。 The hinge devices 10 and 10 ′ are configured by integrally forming an attachment / detachment portion 11 and a rotary damper portion 12 in one case 13 made of metal, resin, or the like. A pair of hinge devices 10 and 10 'in a Western-style toilet are used. A hinge device 10 is attached between a toilet seat and a toilet object, and a hinge device 10' is attached between a toilet lid and a toilet object. Then, the toilet seat and the toilet lid, which are one object, are supported to be openable and closable with respect to the toilet which is the other object. A toilet pin to which the toilet seat / toilet lid unit is attached is provided with a hinge pin (not shown), and the attachment / detachment portion 11 of the hinge device 10, 10 ′ is inserted into the attachment / detachment hole 11a opened on the bottom surface thereof. And is attached to and detached from the toilet.
　図３（ａ）および（ｂ）は、便座に形成される一方のホルダ部２０の正面図および断面図、図３（ｄ）および（ｅ）は、便座に形成される他方のホルダ部３０の断面図および正面図である。 3A and 3B are a front view and a sectional view of one holder portion 20 formed on the toilet seat, and FIGS. 3D and 3E are views of the other holder portion 30 formed on the toilet seat. It is sectional drawing and a front view.
　ロータリーダンパ部１２の端部に突出するシャフト部１４は、便蓋の不図示の取付穴を通された後、ホルダ部２０，３０の取付穴２０ａ，３０ａに挿入される。 The shaft portion 14 protruding from the end of the rotary damper portion 12 is inserted into the attachment holes 20a and 30a of the holder portions 20 and 30 after passing through the attachment holes (not shown) of the toilet lid.
　取付穴２０ａには第１内径部２０a1と第２内径部２０a2とが形成されている。第１内径部２０a1は、シャフト部１４に嵌合する内径形状を有する。シャフト部１４は、金属や樹脂等から形成され、円弧状の周面が対向した案内曲面部１４ａと、平面が平行に対向した平面部１４ｂとを備える。第１内径部２０a1の内周には、案内曲面部１４ａに対応した形状の円弧部２０a11と、平面部１４ｂに対応して対向する壁部２０a12とが形成されている。第２内径部２０a2は、シャフト部１４における案内曲面部１４ａの外径φ11より小さな内径φ２（φ２＜φ11）をした中空円筒状をしており、第１内径部２０a1の最深部に第１内径部２０a1に連なって開口している。この第２内径部２０a2は、図３（ｃ）に示す断面図のように、ホルダ部２０を貫通して形成される場合もある。 The first inner diameter portion 20a1 and the second inner diameter portion 20a2 are formed in the mounting hole 20a. The first inner diameter portion 20 a 1 has an inner diameter shape that fits into the shaft portion 14. The shaft portion 14 is formed of a metal, a resin, or the like, and includes a guide curved surface portion 14a whose arc-shaped peripheral surfaces face each other and a flat surface portion 14b whose planes face each other in parallel. An arc part 20a11 having a shape corresponding to the guide curved surface part 14a and a wall part 20a12 facing each other corresponding to the flat part 14b are formed on the inner periphery of the first inner diameter part 20a1. The second inner diameter portion 20a2 has a hollow cylindrical shape having an inner diameter φ2 (φ2 <φ11) smaller than the outer diameter φ11 of the guide curved surface portion 14a in the shaft portion 14, and the first inner diameter portion is formed at the deepest portion of the first inner diameter portion 20a1. Opening is continued to the portion 20a1. The second inner diameter portion 20a2 may be formed through the holder portion 20 as shown in the cross-sectional view of FIG.
　また、取付穴３０ａには第１内径部３０a1と第２内径部３０a2とが形成されている。第２内径部３０a2は、取付穴２０ａの第２内径部２０a2と同様な開口形状をしており、図３（ｃ）に示すように、ホルダ部３０を貫通して形成される場合もある。しかし、第１内径部２０a1に対応する第１内径部３０a1は、円弧部２０a11と同じ直径の中空円筒状をしており、シャフト部１４の平面部１４ｂに嵌合する壁部２０a12のような壁部を備えていない。便座の取付穴３０ａには便蓋の不図示の取付穴が連通して設けられ、この便蓋の不図示の取付穴には、第１内径部２０a1と同様な開口形状をした不図示の第１内径部が形成されている。第２内径部３０a2は、第１内径部３０a1の最深部に、これら不図示の第１内径部および第１内径部３０a1に連なって開口する。 Also, a first inner diameter part 30a1 and a second inner diameter part 30a2 are formed in the mounting hole 30a. The second inner diameter portion 30a2 has the same opening shape as the second inner diameter portion 20a2 of the mounting hole 20a, and may be formed through the holder portion 30 as shown in FIG. However, the first inner diameter portion 30a1 corresponding to the first inner diameter portion 20a1 has a hollow cylindrical shape having the same diameter as the arc portion 20a11, and is a wall like a wall portion 20a12 that fits into the flat portion 14b of the shaft portion 14. Does not have a part. An attachment hole (not shown) of the toilet lid is provided in communication with the attachment hole 30a of the toilet seat. The attachment hole (not shown) of the toilet lid has a first opening (not shown) having the same opening shape as the first inner diameter portion 20a1. One inner diameter portion is formed. The second inner diameter portion 30a2 opens at the deepest portion of the first inner diameter portion 30a1 in connection with the first inner diameter portion and the first inner diameter portion 30a1 (not shown).
　シャフト部１４は先端にディスクフック１５を係止部材として備える。ディスクフック１５は、図４（ｂ）に正面図、図４（ｃ）に側面図が示され、外周に複数の凸部１５ａが形成された金属製の円盤状部材からなり、外周がシャフト部１４側に傾斜している。また、正面視で鏡面対称になっている。このディスクフック１５は、取付穴２０ａ，３０ａの第２内径部２０a2，３０a2の内径φ２と同等以上の外径φ３（φ３≧φ２）をして、弾性を有し、第２内径部２０a2，３０a2に差し込まれて、外周が第２内径部２０a2，３０a2の内周に引っ掛かる。 The shaft portion 14 has a disk hook 15 as a locking member at the tip. The disk hook 15 is a front view shown in FIG. 4B and a side view shown in FIG. 4C, and is made of a metal disk-like member having a plurality of convex portions 15a formed on the outer periphery, and the outer periphery is a shaft portion. It is inclined to the 14 side. Moreover, it is mirror-symmetrical in front view. The disk hook 15 has an outer diameter φ3 (φ3 ≧ φ2) equal to or greater than the inner diameter φ2 of the second inner diameter portions 20a2 and 30a2 of the mounting holes 20a and 30a, and has elasticity, and the second inner diameter portions 20a2 and 30a2 The outer periphery is caught by the inner periphery of the second inner diameter portions 20a2, 30a2.
　本実施形態では、図４（ａ）の側面図に示すように、シャフト部１４の先端に、第２内径部２０a2，３０a2に差し込まれる円柱状の支持柱１６が突出して形成されている。支持柱１６は、第２内径部２０a2，３０a2の内径φ２より小さな外径φ４（φ４＜φ２）をしている。この外径φ４は、本実施形態では、シャフト部１４における案内曲面部１４ａの外径φ11の５０％以下（φ４≦０．５×φ11）で、かつ、平面部１４ｂの外径φ12の７０％以下（φ４≦０．７×φ12）に設定される。ディスクフック１５は、この支持柱１６に支えられて、シャフト部１４の先端に取り付けられる。本実施形態では、支持柱１６の先端に支持柱１６より細い直径の円柱状のカシメ代１６ａが、ディスクフック１５の円盤部の厚みｔより５０～８０％大きい突出長さＬ（＝１．５ｔ～１．８ｔ）で形成されている。ディスクフック１５の支持柱１６への取り付けは、ディスクフック１５の円盤部中央に開口した穴１５ｂにカシメ代１６ａが挿入され、ディスクフック１５の円盤部の厚みｔより突出するカシメ代１６ａの先端外周囲が、スピンカシメやプレスカシメ等によって外周に拡がる方向に潰されて、行われる。このカシメにより、ディスクフック１５は、支持柱１６からシャフト部１４の軸方向に抜けず、かつ、支持柱１６に回転自在に、支持柱１６に取り付けられる。 In the present embodiment, as shown in the side view of FIG. 4A, a columnar support column 16 inserted into the second inner diameter portions 20a2 and 30a2 protrudes from the tip of the shaft portion 14. The support column 16 has an outer diameter φ4 (φ4 <φ2) smaller than the inner diameter φ2 of the second inner diameter portions 20a2 and 30a2. In the present embodiment, this outer diameter φ4 is 50% or less (φ4 ≦ 0.5 × φ11) of the outer diameter φ11 of the guide curved surface portion 14a in the shaft portion 14, and 70% of the outer diameter φ12 of the plane portion 14b. The following is set (φ4 ≦ 0.7 × φ12). The disk hook 15 is supported by the support column 16 and attached to the tip of the shaft portion 14. In this embodiment, a cylindrical caulking allowance 16a having a diameter smaller than that of the support column 16 at the tip of the support column 16 is a projection length L (= 1.5 t) that is 50 to 80% larger than the thickness t of the disk portion of the disc hook 15. ~ 1.8t). The disc hook 15 is attached to the support column 16 by inserting a caulking allowance 16a into a hole 15b opened in the center of the disc portion of the disc hook 15 and out of the tip end of the caulking allowance 16a protruding from the thickness t of the disc portion of the disc hook 15. The periphery is crushed in a direction extending to the outer periphery by spin caulking, press caulking, or the like. By this caulking, the disc hook 15 is attached to the support column 16 so as not to come off from the support column 16 in the axial direction of the shaft portion 14 and to be rotatable to the support column 16.
　支持柱１６、ディスクフック１５、および第２内径部２０a2，３０a2は、本発明の一実施形態によるヒンジロック機構を構成する。このヒンジロック機構は、便座および便器の物体間、並びに便蓋および便器の物体間を開閉自在に支持するヒンジ装置１０，１０’が、そのシャフト部１４が挿入される取付穴２０ａ，３０ａから抜けるのを防ぐ。 The support column 16, the disk hook 15, and the second inner diameter portions 20a2 and 30a2 constitute a hinge lock mechanism according to an embodiment of the present invention. In the hinge lock mechanism, the hinge devices 10 and 10 'that support the opening and closing of the toilet seat and the toilet bowl and between the toilet lid and the toilet bowl are removed from the mounting holes 20a and 30a into which the shaft portion 14 is inserted. To prevent.
　図５（ａ）は、ヒンジ装置１０のシャフト部１４がホルダ部２０の取付穴２０ａに挿入される前の状態における一部破断側面図、図５（ｂ）は、シャフト部１４が取付穴２０ａに挿入された後の状態における一部破断側面図である。なお、図５において図３と同一部分には同一符号を付してその説明は省略する。 FIG. 5A is a partially broken side view of the hinge device 10 before the shaft portion 14 is inserted into the mounting hole 20a of the holder portion 20, and FIG. 5B shows the shaft portion 14 having the mounting hole 20a. It is a partially broken side view in the state after inserting in. In FIG. 5, the same parts as those in FIG.
　図５（ａ）に示す状態からヒンジ装置１０のシャフト部１４が取付穴２０ａに挿入されると、図５（ｂ）に示す状態のように、シャフト部１４が第１内径部２０a1に嵌合すると共に、シャフト部１４の先端に備えられるディスクフック１５が第２内径部２０a2に差し込まれる。この際、ディスクフック１５はその弾性によって撓んで弾性変形して第２内径部２０a2に入り込み、その外周が第２内径部２０a2の内周に引っ掛かる。先端にこのディスクフック１５を備えるシャフト部１４は、取付穴２０ａから抜き取る力がかかっても、ディスクフック１５が第２内径部２０a2の内周に引っ掛かってこの抜き取る力に対抗するので、取付穴２０ａから抜けなくなり、ヒンジ装置１０は取付穴２０ａから抜けなくなる。 When the shaft portion 14 of the hinge device 10 is inserted into the mounting hole 20a from the state shown in FIG. 5A, the shaft portion 14 is fitted to the first inner diameter portion 20a1 as shown in FIG. 5B. At the same time, the disc hook 15 provided at the tip of the shaft portion 14 is inserted into the second inner diameter portion 20a2. At this time, the disk hook 15 is bent and elastically deformed by its elasticity and enters the second inner diameter portion 20a2, and the outer periphery thereof is hooked on the inner periphery of the second inner diameter portion 20a2. The shaft portion 14 having the disc hook 15 at the tip end is opposed to the pulling force by the disc hook 15 being hooked on the inner periphery of the second inner diameter portion 20a2 even if a force to pull out from the mounting hole 20a is applied. The hinge device 10 cannot be removed from the mounting hole 20a.
　ヒンジ装置１０’も同様にして、シャフト部１４が取付穴３０ａに挿入されて、ディスクフック１５が第２内径部３０a2に差し込まれることで、取付穴３０ａから抜けなくなる。なお、ヒンジ装置１０，１０’を取付穴２０ａ，３０ａからディスクフック１５の対抗力より大きな力で引き抜くと、取付穴２０ａ，３０ａが塑性変形してホルダ部２０，３０からヒンジ装置１０，１０’を取り外すことができる。 Similarly, in the hinge device 10 ', the shaft portion 14 is inserted into the attachment hole 30a, and the disc hook 15 is inserted into the second inner diameter portion 30a2, so that the hinge device 10' cannot be removed from the attachment hole 30a. When the hinge devices 10 and 10 'are pulled out from the mounting holes 20a and 30a with a force larger than the opposing force of the disk hook 15, the mounting holes 20a and 30a are plastically deformed and the hinge devices 10 and 10' are removed from the holder portions 20 and 30. Can be removed.
　したがって、本実施形態によるヒンジロック機構によれば、従来のスプリングクリップ等の固定具を使用することなく、ヒンジ装置１０，１０’を取付穴２０ａ，３０ａから抜けなくすることが出来る。このため、スプリングクリップ等の固定具をヒンジ装置１０，１０’と別に用意する必要がなくなり、スプリングクリップ等の固定具をヒンジ装置１０，１０’とは別個に管理する管理工程を削減することが出来る。また、スプリングクリップ等の固定具をホルダ部２０，３０に通すための挿入孔が不要になり、ホルダ部２０，３０に挿入孔を設ける加工工程を削減することが出来る。この結果、ヒンジ装置１０，１０’を使ったトイレの製造時や、便座・便蓋の製造時におけるコスト面および作業面の負担を軽減することが出来る。また、取付穴２０ａ，３０ａの第２内径部２０a2，３０a2は、一定以上の深さがあればよく、内径φ２に精度は必要なく、精緻な仕上げは必要とされない。 Therefore, according to the hinge lock mechanism according to the present embodiment, the hinge devices 10 and 10 'can be prevented from being detached from the mounting holes 20a and 30a without using a fixture such as a conventional spring clip. For this reason, it is not necessary to prepare a fixture such as a spring clip separately from the hinge devices 10 and 10 ′, and the management process for managing the fixture such as a spring clip separately from the hinge devices 10 and 10 ′ can be reduced. I can do it. Moreover, the insertion hole for letting fixing tools, such as a spring clip, pass to the holder parts 20 and 30 becomes unnecessary, and the process process which provides an insertion hole in the holder parts 20 and 30 can be reduced. As a result, it is possible to reduce the cost and work load when manufacturing a toilet using the hinge device 10 or 10 ', or when manufacturing a toilet seat or toilet lid. Further, the second inner diameter portions 20a2 and 30a2 of the mounting holes 20a and 30a only need to have a certain depth or more, and the inner diameter φ2 does not require accuracy and does not require fine finishing.
　また、本実施形態によるヒンジロック機構によれば、シャフト部１４に取付穴２０ａ，３０ａから抜き取る力がかかると、ディスクフック１５の外周の凸部１５ａが第２内径部２０a2，３０a2の内周に噛み込む。このため、ディスクフック１５がシャフト部１４を抜き取る力に対抗する力は大きくなり、ヒンジ装置１０，１０’は堅固に取付穴２０ａ，３０ａから抜けなくなる。また、ディスクフック１５の外周がシャフト部１４側に傾斜しているので、シャフト部１４に取付穴２０ａ，３０ａから抜き取る力がかかると、ディスクフック１５の外周の凸部１５ａは第２内径部２０a2，３０a2の内周により鋭く噛み込む。このため、ヒンジ装置１０，１０’はより堅固に取付穴２０ａ，３０ａから抜けなくなる。また、ディスクフック１５の外周がシャフト部１４側に傾斜していると、シャフト部１４を取付穴２０ａ，３０ａに挿入する際、ディスクフック１５はスムーズに第２内径部２０a2，３０a2に入り込み、ヒンジ装置１０，１０’の取付穴２０ａ，３０ａへの組み込み性が向上する。 In addition, according to the hinge lock mechanism according to the present embodiment, when the shaft portion 14 is subjected to a pulling force from the mounting holes 20a and 30a, the convex portion 15a on the outer periphery of the disc hook 15 is formed on the inner periphery of the second inner diameter portions 20a2 and 30a2. Bite. For this reason, the force with which the disk hook 15 opposes the force with which the shaft portion 14 is pulled out increases, and the hinge devices 10 and 10 'do not come out of the mounting holes 20a and 30a firmly. Further, since the outer periphery of the disc hook 15 is inclined toward the shaft portion 14, when the shaft portion 14 is subjected to a pulling force from the mounting holes 20 a, 30 a, the convex portion 15 a on the outer periphery of the disc hook 15 becomes the second inner diameter portion 20 a 2. , 30a2 is bitten sharply by the inner circumference. For this reason, the hinge devices 10 and 10 ′ cannot be removed from the mounting holes 20 a and 30 a more firmly. If the outer periphery of the disc hook 15 is inclined toward the shaft portion 14, the disc hook 15 smoothly enters the second inner diameter portions 20a2 and 30a2 when the shaft portion 14 is inserted into the mounting holes 20a and 30a. Assembling property of the devices 10 and 10 ′ into the mounting holes 20a and 30a is improved.
　また、本実施形態によるヒンジロック機構によれば、支持柱１６を介してシャフト部１４の先端にディスクフック１５が取り付けられるので、ディスクフック１５のシャフト部１４先端への取り付けが容易になると共に、ディスクフック１５の撓み代をディスクフック１５のシャフト部１４側に確保することが出来る。 Further, according to the hinge lock mechanism according to the present embodiment, the disc hook 15 is attached to the tip of the shaft portion 14 via the support column 16, so that the disc hook 15 can be easily attached to the tip of the shaft portion 14, The bending allowance of the disc hook 15 can be secured on the shaft portion 14 side of the disc hook 15.
　さらに、本実施形態によるヒンジロック機構によれば、ディスクフック１５が第２内径部２０a2，３０a2の内周に引っ掛かって第２内径部２０a2，３０a2の内周に固定されている状態においても、ディスクフック１５を支持する支持柱１６はディスクフック１５に対して回転可能な状態に保たれる。したがって、支持柱１６が先端に設けられたシャフト部１４は、ディスクフック１５が第２内径部２０a2，３０a2の内周に固定されている状態においても、ディスクフック１５とは独立に回転可能であり、ヒンジ装置１０，１０’が開閉自在に支持する一方の物体である便座および便蓋と共に回転する。 Furthermore, according to the hinge lock mechanism according to the present embodiment, even when the disk hook 15 is hooked on the inner periphery of the second inner diameter portions 20a2 and 30a2 and is fixed to the inner periphery of the second inner diameter portions 20a2 and 30a2. The support column 16 that supports the hook 15 is kept rotatable with respect to the disk hook 15. Therefore, the shaft portion 14 provided with the support column 16 at the tip can rotate independently of the disc hook 15 even when the disc hook 15 is fixed to the inner circumference of the second inner diameter portions 20a2 and 30a2. The hinge devices 10 and 10 'rotate together with the toilet seat and the toilet lid, which are one object that can be opened and closed.
　便座および便器の物体間に取り付けられるヒンジ装置１０は、シャフト部１４が便蓋の不図示の取付穴を通され、便座に設けられた第１内径部２０a1に嵌合することで、シャフト部１４が便座の開閉に伴って回転し、ロータリーダンパ部１２によって便座の閉動作に抵抗が付与される。また、シャフト部１４が通される、便蓋に形成される不図示の取付穴は、中空円筒状をしており、シャフト部１４の平面部１４ｂに嵌合する壁部を備えていないため、シャフト部１４を空回りさせ、便蓋は便座の開閉動作に影響を受けない。 In the hinge device 10 attached between the toilet seat and the toilet body, the shaft portion 14 passes through a mounting hole (not shown) of the toilet lid and is fitted into a first inner diameter portion 20a1 provided in the toilet seat, whereby the shaft portion 14 is fitted. Rotates with the opening and closing of the toilet seat, and the rotary damper portion 12 provides resistance to the closing operation of the toilet seat. In addition, the mounting hole (not shown) formed in the toilet lid through which the shaft portion 14 is passed has a hollow cylindrical shape and does not include a wall portion that fits into the flat portion 14b of the shaft portion 14, The shaft portion 14 is idled and the toilet lid is not affected by the opening / closing operation of the toilet seat.
　一方、便蓋および便器の物体間に取り付けられるヒンジ装置１０’は、便蓋に第１内径部２０a1と同様な開口形状で形成された不図示の取付穴の第１内径部にシャフト部１４が嵌合することで、シャフト部１４が便蓋の開閉に伴って回転し、ロータリーダンパ部１２によって便蓋の閉動作に抵抗が付与される。また、シャフト部１４の先端に設けられたディスクフック１５は、不図示の取付穴の第１内径部を通された後、便座に設けられたホルダ部３０の取付穴３０ａにおける第２内径部３０a2に引っ掛けられる。ホルダ部３０の取付穴３０ａにおける第１内径部３０a1は前述したように中空円筒状をしているため、ヒンジ装置１０’のシャフト部１４は便座の開閉に伴って回転せず、空回りする。 On the other hand, the hinge device 10 ′ attached between the toilet lid and the toilet bowl object has a shaft portion 14 at a first inner diameter portion of a mounting hole (not shown) formed in the toilet lid with an opening shape similar to the first inner diameter portion 20 a 1. By fitting, the shaft portion 14 rotates as the toilet lid opens and closes, and the rotary damper portion 12 provides resistance to the toilet lid closing operation. The disc hook 15 provided at the tip of the shaft portion 14 is passed through the first inner diameter portion of the mounting hole (not shown) and then the second inner diameter portion 30a2 in the mounting hole 30a of the holder portion 30 provided in the toilet seat. Be hooked on. Since the first inner diameter portion 30a1 in the mounting hole 30a of the holder portion 30 has a hollow cylindrical shape as described above, the shaft portion 14 of the hinge device 10 'does not rotate with the opening and closing of the toilet seat, but rotates freely.
　このため、ヒンジ装置１０’が開閉自在に支持する一方の物体である便蓋とは別の物体である便座に取付穴３０ａの第２内径部３０a2が形成され、その第２内径部３０a2にディスクフック１５が固定される場合、シャフト部１４が便蓋と共に回転しても、ディスクフック１５は、シャフト部１４の回転に伴って回転しない。よって、ディスクフック１５がシャフト部１４の回転に伴って回転することで、ディスクフック１５が固定されている便座の取付穴３０ａとの間に摩擦を生じて、便座の取付穴３０ａを傷付けることはない。また、便座が回転して便座と共にディスクフック１５が回転しても、その回転に伴ってヒンジ装置１０’のシャフト部１４が回転することはないため、ヒンジ装置１０’が便座の回転に影響されることはない。 For this reason, the second inner diameter portion 30a2 of the mounting hole 30a is formed in the toilet seat which is an object different from the toilet lid which is one object which the hinge device 10 'supports to be freely opened and closed, and a disk is formed on the second inner diameter portion 30a2. When the hook 15 is fixed, even if the shaft portion 14 rotates together with the toilet lid, the disc hook 15 does not rotate as the shaft portion 14 rotates. Therefore, when the disc hook 15 rotates as the shaft portion 14 rotates, friction is generated between the disc hook 15 and the toilet seat mounting hole 30a to which the disc hook 15 is fixed, and the toilet seat mounting hole 30a is damaged. Absent. Further, even if the toilet seat rotates and the disc hook 15 rotates together with the toilet seat, the shaft portion 14 of the hinge device 10 ′ does not rotate along with the rotation, so the hinge device 10 ′ is influenced by the rotation of the toilet seat. Never happen.
　図６（ａ）は、一実施形態の第１変形例によるヒンジロック機構が適用されたヒンジ装置１０Ａの一部破断側面図である。なお、図６において図５と同一または相当する部分には同一符号を付してその説明は省略する。 FIG. 6A is a partially cutaway side view of the hinge device 10A to which the hinge lock mechanism according to the first modification of the embodiment is applied. 6 that are the same as or correspond to those in FIG. 5 are assigned the same reference numerals, and descriptions thereof are omitted.
　このヒンジ装置１０Ａでは、支持柱１６Ａがシャフト部１４と別体にアダプタとして形成される。支持柱１６Ａは、先端側に大径部１６A1が短く、根元側に小径部１６A2が長く形成され、小径部１６A2の外周に雄ネジが形成されている。また、シャフト部１４の先端には、シャフト部１４の軸方向に開口したネジ穴１４ｃの内周に雌ネジが形成されている。支持柱１６Ａは、小径部１６A2の雄ネジがネジ穴１４ｃの雌ネジと螺合して、シャフト部１４の先端に取り付けられる。なお、大径部１６A1の先端には上述のカシメ代１６ａが形成されており、ディスクフック１５が上記の実施形態と同様にカシメによって取り付けられている。 In the hinge device 10A, the support column 16A is formed as an adapter separately from the shaft portion 14. The support column 16A has a short large diameter portion 16A1 on the tip side, a long small diameter portion 16A2 on the base side, and a male screw formed on the outer periphery of the small diameter portion 16A2. A female screw is formed at the tip of the shaft portion 14 on the inner periphery of a screw hole 14c opened in the axial direction of the shaft portion 14. The support column 16A is attached to the tip end of the shaft portion 14 with the male screw of the small diameter portion 16A2 screwed with the female screw of the screw hole 14c. Note that the above-described crimping allowance 16a is formed at the tip of the large-diameter portion 16A1, and the disk hook 15 is attached by crimping similarly to the above-described embodiment.
　この第１変形例によるヒンジロック機構によれば、シャフト部１４と別体に形成された支持柱１６Ａがシャフト部１４の先端に螺合して取り付けられるため、支持柱１６Ａをシャフト部１４に対して相対的に回すことで、支持柱１６Ａがシャフト部１４の先端から突出する長さを調整することができる。このため、ディスクフック１５が第２内径部２０a2，３０a2の内周に引っ掛かって固定される位置を、第２内径部２０a2，３０a2の深さに応じて所望の位置に設定することができる。また、実機の便座における第２内径部２０a2，３０a2の実際の形状に応じて、ディスクフック１５の第２内径部２０a2，３０a2内周への引っ掛かり具合が丁度よい深さに、ディスクフック１５の固定位置を設定することができる。 According to the hinge lock mechanism according to the first modification, the support column 16A formed separately from the shaft portion 14 is screwed onto the tip of the shaft portion 14, and thus the support column 16A is attached to the shaft portion 14. The length of the support column 16A protruding from the tip end of the shaft portion 14 can be adjusted by rotating it relatively. Therefore, the position at which the disk hook 15 is hooked and fixed to the inner circumference of the second inner diameter portions 20a2, 30a2 can be set to a desired position according to the depth of the second inner diameter portions 20a2, 30a2. In addition, according to the actual shape of the second inner diameter portions 20a2 and 30a2 in the toilet seat of the actual machine, the disk hook 15 is fixed to a depth that allows the hooking of the disc hook 15 to the inner circumference of the second inner diameter portions 20a2 and 30a2 to be just right. The position can be set.
　図６（ｂ）は、一実施形態の第２変形例によるヒンジロック機構が適用されたヒンジ装置１０Ｂの一部破断側面図である。 FIG. 6B is a partially cutaway side view of the hinge device 10B to which the hinge lock mechanism according to the second modification of the embodiment is applied.
　このヒンジ装置１０Ｂでも、支持柱１６Ｂがシャフト部１４と別体にアダプタとして形成される。支持柱１６Ｂは、長い大径部１６B1の端部に小径部１６B2が短く形成され、シャフト部１４の先端にシャフト部１４の軸方向に開口した開口部１４ｄに出し入れ自在に収納される。ヒンジ装置１０Ｂが取付穴２０ａ，３０ａに挿入されると、支持柱１６Ｂは、開口部１４ｄに内蔵された弾性部材である圧縮コイルスプリング１７によって、第２内径部２０a2，３０a2の深部側に付勢される。圧縮コイルスプリング１７は、一端部が開口部１４ｄの底部に形成されたボス１４ｅに、他端部が支持柱１６Ｂの小径部１６B2に圧入され、開口部１４ｄから抜け出るのが防がれている。なお、大径部１６B1の先端には上述のカシメ代１６ａが形成されており、ディスクフック１５が上記の実施形態と同様にカシメによって取り付けられている。 Also in this hinge device 10B, the support column 16B is formed as an adapter separately from the shaft portion 14. The support column 16B has a short small diameter portion 16B2 formed at the end of the long large diameter portion 16B1, and is accommodated in an opening portion 14d opened in the axial direction of the shaft portion 14 at the tip end of the shaft portion 14 so as to be freely inserted and removed. When the hinge device 10B is inserted into the mounting holes 20a and 30a, the support column 16B is biased toward the deep side of the second inner diameter portions 20a2 and 30a2 by the compression coil spring 17 which is an elastic member built in the opening 14d. Is done. One end of the compression coil spring 17 is press-fitted into a boss 14e formed at the bottom of the opening 14d, and the other end is press-fitted into the small-diameter portion 16B2 of the support column 16B, thereby preventing the compression coil spring 17 from coming out of the opening 14d. Note that the above-described crimping allowance 16a is formed at the tip of the large-diameter portion 16B1, and the disk hook 15 is attached by crimping as in the above-described embodiment.
　この第２変形例によるヒンジロック機構によれば、シャフト部１４が取付穴２０ａ，３０ａに挿入されてディスクフック１５が第２内径部２０a2，３０a2に差し込まれた状態において、開口部１４ｄに内蔵された圧縮コイルスプリング１７によって第２内径部２０a2，３０a2の深部側に支持柱１６Ｂが付勢されることで、ディスクフック１５も第２内径部２０a2，３０a2の深部側に付勢される。このため、ヒンジ装置１０Ｂの取付穴２０ａ，３０ａへの組み込み後において、ディスクフック１５が第２内径部２０a2，３０a2の深部側に常に付勢されることで、ディスクフック１５は第２内径部２０a2，３０a2から抜けないその深部側の方向へ常に押されるので、ディスクフック１５の第２内径部２０a2，３０a2内周への保持安定性が高められる。また、ヒンジ装置１０Ｂの取付穴２０ａ，３０ａへの組み込み時において、シャフト部１４先端のディスクフック１５が取付穴２０ａ，３０ａの周囲に当たると、ディスクフック１５が一旦引っ込むので、この引っ込みがシャフト部１４の先端を取付穴２０ａ，３０ａに挿入する案内になって、シャフト部１４の先端を取付穴２０ａ，３０ａに挿入し易くなり、ヒンジ装置１０Ｂの取付穴２０ａ，３０ａへの組み込み性が向上する。 According to the hinge lock mechanism according to the second modification, the shaft portion 14 is inserted into the mounting holes 20a and 30a and the disc hook 15 is inserted into the second inner diameter portions 20a2 and 30a2, and is incorporated in the opening portion 14d. Since the support pillar 16B is urged toward the deep side of the second inner diameter portions 20a2 and 30a2 by the compression coil spring 17, the disk hook 15 is also urged toward the deep side of the second inner diameter portions 20a2 and 30a2. For this reason, the disc hook 15 is always urged to the deep side of the second inner diameter portions 20a2 and 30a2 after the hinge device 10B is assembled into the mounting holes 20a and 30a, so that the disc hook 15 has the second inner diameter portion 20a2. , 30a2 is always pushed in the direction of the deep part so as not to come off, so that the holding stability of the disk hook 15 on the inner circumference of the second inner diameter parts 20a2, 30a2 is improved. Further, when the disk hook 15 at the tip of the shaft portion 14 hits the periphery of the mounting holes 20a and 30a when the hinge device 10B is assembled into the mounting holes 20a and 30a, the disk hook 15 is temporarily retracted. The tip of the shaft portion 14 is guided to be inserted into the mounting holes 20a and 30a, so that the tip of the shaft portion 14 can be easily inserted into the mounting holes 20a and 30a, and the incorporation into the mounting holes 20a and 30a of the hinge device 10B is improved.
　なお、上述した実施形態および各変形例では、係止部材を構成するディスクフック１５が、図４に示す、外周に凸部１５ｂが形成された円盤状部材から形成される場合について説明した。しかし、係止部材の形状はこれに限定されることはない。例えば、図７（ａ）および（ｂ）の正面図および側面図に示すディスクフック１８のように、外周に複数の切り欠き部１８ａ、中央部に穴１８ｂが形成された円盤状部材で、外周がシャフト部１４の側に傾斜するように、係止部材を構成してもよい。また、図７（ｃ）および（ｄ）の正面図および側面図に示すディスクフック１９のように、外周が円形をし、中央部に穴１９ａが形成された円盤状部材で、外周がシャフト部１４の側にすり鉢状に傾斜するように、係止部材を構成してもよい。 In the above-described embodiment and each modification, the case where the disk hook 15 constituting the locking member is formed from a disk-like member having the convex portion 15b formed on the outer periphery shown in FIG. 4 has been described. However, the shape of the locking member is not limited to this. For example, a disc-like member having a plurality of notches 18a on the outer periphery and a hole 18b in the center, such as the disc hook 18 shown in the front and side views of FIGS. The locking member may be configured so as to be inclined toward the shaft portion 14. Further, like a disc hook 19 shown in the front and side views of FIGS. 7 (c) and 7 (d), the outer periphery is a disc-shaped member having a circular shape and a hole 19a formed in the center, and the outer periphery is a shaft portion. You may comprise a latching member so that it may incline in the shape of a mortar to 14 side.
　また、上述した実施形態および各変形例では、カシメ代１６ａにディスクフック１５がカシメによって取り付けられる場合について、説明した。しかし、図７（ｅ）に示すように、支持柱１６，１６Ａ，１６Ｂの先端に、溝１６ｃが形成された取付代１６ｂを設け、この溝１６ｃにディスクフック１５，１８，１９の穴１５ｂ，１８ｂ，１９ａを嵌めて、ディスクフック１５，１８，１９をシャフト部１４の先端に取り付けるようにしてもよい。この場合にも、ディスクフック１５，１８，１９は、支持柱１６，１６Ａ，１６Ｂからシャフト部１４の軸方向に抜けず、かつ、支持柱１６，１６Ａ，１６Ｂに回転自在に、支持柱１６，１６Ａ，１６Ｂに取り付けられる。 Further, in the above-described embodiment and each modification, the case where the disk hook 15 is attached to the caulking allowance 16a by caulking has been described. However, as shown in FIG. 7 (e), an attachment allowance 16b in which a groove 16c is formed is provided at the tip of the support pillars 16, 16A, 16B, and the holes 15b of the disk hooks 15, 18, 19 are provided in the groove 16c. 18b and 19a may be fitted and the disk hooks 15, 18 and 19 may be attached to the tip of the shaft portion 14. Also in this case, the disk hooks 15, 18, and 19 do not come off from the support columns 16, 16 </ b> A, and 16 </ b> B in the axial direction of the shaft portion 14 and are rotatable to the support columns 16, 16 </ b> A, and 16 </ b> B. It is attached to 16A and 16B.
　このような各構成によっても上述した実施形態および各変形例と同様な作用効果が奏される。 Even with each of these configurations, the same effects as those of the above-described embodiments and modifications can be obtained.
　上記実施形態では、本発明によるヒンジロック機構を洋式トイレのヒンジ装置に適用した場合について、説明した。しかし、本発明によるヒンジロック機構は、洋式トイレのヒンジ装置に限ることなく、物体間を開閉自在に支持する他のヒンジ装置にも同様に適用することが出来、上記の実施形態および各変形例と同様な作用効果が奏される。 In the above embodiment, the case where the hinge lock mechanism according to the present invention is applied to a hinge device of a Western-style toilet has been described. However, the hinge lock mechanism according to the present invention is not limited to the hinge device of a Western-style toilet, but can be similarly applied to other hinge devices that support opening and closing between objects. The same effect is produced.
　１０，１０’…ヒンジ装置、１１…着脱部、１１ａ…着脱孔、１２…ロータリーダンパ部、１３…ケース、１４…シャフト部、１４ａ…案内曲面部、１４ｂ…平面部、１５，１８，１９…ディスクフック（係止部材）、１５ａ…凸部、１８ａ…切り欠き部、１５ｂ，１８ｂ，１９ａ…穴、１６，１６Ａ，１６Ｂ…支持柱、１６ａ…カシメ代、１６ｂ…取付代、１６ｃ…溝、１６A1，１６B1…大径部、１６A2，１６B2…小径部、１７…圧縮コイルスプリング（弾性部材）、２０，３０…ホルダ部、２０ａ，３０ａ…取付穴、２０a1…第１内径部、２０a2…第２内径部、２０a11…円弧部、２０a12…壁部 DESCRIPTION OF SYMBOLS 10,10 '... Hinge apparatus, 11 ... Attachment / detachment part, 11a ... Attachment / detachment hole, 12 ... Rotary damper part, 13 ... Case, 14 ... Shaft part, 14a ... Guide curved surface part, 14b ... Plane part, 15, 18, 19 ... Disc hook (locking member), 15a ... convex portion, 18a ... notch, 15b, 18b, 19a ... hole, 16, 16A, 16B ... support pillar, 16a ... caulking allowance, 16b ... mounting allowance, 16c ... groove, 16A1, 16B1 ... large diameter part, 16A2, 16B2 ... small diameter part, 17 ... compression coil spring (elastic member), 20, 30 ... holder part, 20a, 30a ... mounting hole, 20a1 ... first inner diameter part, 20a2 ... second Inner diameter part, 20a11 ... arc part, 20a12 ... wall part

Claims (6)

  1. 　物体間を開閉自在に支持するヒンジ装置がそのシャフト部が挿入される取付穴から抜けるのを防ぐヒンジロック機構において、
    　前記シャフト部に嵌合する内径形状を有する第１内径部と、前記シャフト部の外径より小さな内径をして前記第１内径部の最深部に前記第１内径部に連なって開口する第２内径部とが前記取付穴に形成され、
    　前記第２内径部の内径と同等以上の外径をして弾性を有し、前記第２内径部に差し込まれて外周が前記第２内径部の内周に引っ掛かる係止部材を前記シャフト部の先端に備える
    　ことを特徴とするヒンジロック機構。     In the hinge lock mechanism that prevents the hinge device that supports the object from being freely opened and closed from coming out of the mounting hole into which the shaft portion is inserted,
    A first inner diameter portion having an inner diameter shape that fits into the shaft portion, and a second inner diameter that is smaller than the outer diameter of the shaft portion and that opens to the deepest portion of the first inner diameter portion and to the first inner diameter portion. An inner diameter portion is formed in the mounting hole,
    A locking member having an outer diameter equal to or greater than the inner diameter of the second inner diameter portion and having elasticity, and having an outer periphery that is inserted into the second inner diameter portion and is hooked on the inner periphery of the second inner diameter portion. A hinge lock mechanism characterized by comprising a tip.
  2. 　前記係止部材は、外周に複数の凸部が形成された円盤状部材、または、外周に複数の切り欠き部が形成された円盤状部材、または、外周が円形をした円盤状部材であって、外周が前記シャフト部側に傾斜していることを特徴とする請求項１に記載のヒンジロック機構。 The locking member is a disk-shaped member having a plurality of protrusions formed on the outer periphery, a disk-shaped member having a plurality of notches formed on the outer periphery, or a disk-shaped member having a circular outer periphery. The hinge lock mechanism according to claim 1, wherein an outer periphery is inclined toward the shaft portion.
  3. 　前記第２内径部の内径より小さな外径をして前記第２内径部に差し込まれる支持柱が前記シャフト部の先端に突出して形成され、
    　前記係止部材は前記支持柱に支えられて前記シャフト部の先端に取り付けられる
    　ことを特徴とする請求項１または請求項２に記載のヒンジロック機構。     A support column having an outer diameter smaller than the inner diameter of the second inner diameter portion and inserted into the second inner diameter portion is formed to protrude from the tip of the shaft portion,
    The hinge locking mechanism according to claim 1, wherein the locking member is supported by the support column and attached to a tip end of the shaft portion.
  4. 　前記係止部材は、前記支持柱から前記シャフト部の軸方向に抜けず、かつ、前記支持柱に回転自在に、前記支持柱に取り付けられることを特徴とする請求項３に記載のヒンジロック機構。 The hinge locking mechanism according to claim 3, wherein the locking member is attached to the support column so as not to come off from the support column in the axial direction of the shaft portion and to be freely rotatable on the support column. .
  5. 　前記支持柱は、前記シャフト部と別体に形成されて外周に雄ネジが形成され、前記シャフト部の先端に前記シャフト部の軸方向に開口したネジ穴の内周に形成された雌ネジと螺合して、前記シャフト部の先端に取り付けられることを特徴とする請求項３または請求項４に記載のヒンジロック機構。 The support column is formed separately from the shaft portion, and a male screw is formed on the outer periphery, and a female screw formed on the inner periphery of a screw hole opened in the axial direction of the shaft portion at the tip of the shaft portion; The hinge lock mechanism according to claim 3 or 4, wherein the hinge lock mechanism is screwed and attached to a tip of the shaft portion.
  6. 　前記支持柱は、前記シャフト部と別体に形成されて、前記シャフト部の先端に前記シャフト部の軸方向に開口した開口部に出し入れ自在に収納され、前記開口部に内蔵された弾性部材によって前記第２内径部の深部側に付勢されることを特徴とする請求項３または請求項４に記載のヒンジロック機構。 The support column is formed separately from the shaft portion, and is housed in an opening opening in the axial direction of the shaft portion at the tip of the shaft portion so as to be freely inserted into and removed from, and is provided by an elastic member built in the opening portion. The hinge locking mechanism according to claim 3 or 4, wherein the hinge locking mechanism is biased toward the deep side of the second inner diameter portion.
PCT/JP2017/031009 2016-11-24 2017-08-29 Hinge lock mechanism WO2018096753A1 (en)

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Citations (5)

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JPS5426662B2 (en) * 1976-03-29 1979-09-05
JPS6025024U (en) * 1983-07-25 1985-02-20 ナイルス部品株式会社 Knob mounting structure
JPH08158733A (en) * 1994-12-09 1996-06-18 Kyokuto Kanamono Kogyo Kk Fixing structure of support shaft of hinge
JP2005023951A (en) * 2003-06-30 2005-01-27 Staf Corp Free stop hinge device
JP2006112587A (en) * 2004-10-18 2006-04-27 Tok Bearing Co Ltd Opening/closing mechanism with damper

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734571A1 (en) * 1977-07-30 1979-02-15 Bosch Gmbh Robert RECTIFIER ARRANGEMENT
DE10051805B4 (en) 2000-10-18 2005-04-14 Hamberger Industriewerke Gmbh Toilet seat hinge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5426662B2 (en) * 1976-03-29 1979-09-05
JPS6025024U (en) * 1983-07-25 1985-02-20 ナイルス部品株式会社 Knob mounting structure
JPH08158733A (en) * 1994-12-09 1996-06-18 Kyokuto Kanamono Kogyo Kk Fixing structure of support shaft of hinge
JP2005023951A (en) * 2003-06-30 2005-01-27 Staf Corp Free stop hinge device
JP2006112587A (en) * 2004-10-18 2006-04-27 Tok Bearing Co Ltd Opening/closing mechanism with damper

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