WO2017068984A1 - ハンドル及びフリーザ - Google Patents
ハンドル及びフリーザ Download PDFInfo
- Publication number
- WO2017068984A1 WO2017068984A1 PCT/JP2016/079736 JP2016079736W WO2017068984A1 WO 2017068984 A1 WO2017068984 A1 WO 2017068984A1 JP 2016079736 W JP2016079736 W JP 2016079736W WO 2017068984 A1 WO2017068984 A1 WO 2017068984A1
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- WO
- WIPO (PCT)
- Prior art keywords
- door
- handle
- door lock
- handle portion
- engagement
- Prior art date
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 37
- 230000037431 insertion Effects 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0042—For refrigerators or cold rooms
- E05B65/0046—For refrigerators or cold rooms with a bifurcated bolt
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
- E05B13/106—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for handles pivoted about an axis perpendicular to the wing
- E05B13/108—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for handles pivoted about an axis perpendicular to the wing the lock coaxial with spindle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0013—Locks with rotary bolt without provision for latching
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B7/00—Handles pivoted about an axis parallel to the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
- E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
- E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- 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
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/306—Application of doors, windows, wings or fittings thereof for domestic appliances for freezers
Definitions
- the present invention relates to a handle and a freezer equipped with the handle.
- a handle for opening and closing a freezer door that is cooled to an ultra-low temperature of ⁇ 80 ° C. or lower in a storage chamber is known (see, for example, Patent Document 1).
- This handle has a structure for maintaining the closed state of the door by engaging a latch receiver provided on the freezer main body side with a latch portion provided on the door side. Further, the engagement between the latch receiver and the latch portion and the release thereof are switched by the rotation of the handle portion.
- the present application has been made in view of such circumstances, and an object thereof is to provide a technique for improving usability of a freezer.
- the handle includes a freezer main body having an opening on the front surface, and a door that is pivotally connected to the freezer main body at one end in the horizontal direction, and rotates around a vertical axis so that the opening can be opened and closed.
- the main body base having an engaging pin that is fixed to the side surface of the freezer main body on the side where the freezer main body and the door are not connected, and extends in the horizontal direction, and the freezer main body and the door are not connected
- a door base having a pivot shaft that is fixed to the side surface of the side door and extends in the horizontal direction, a door lock position that pivots around the pivot shaft to restrict the opening and closing of the door, and a door that allows the door to open and close
- a handle portion that is displaceable between the lock release position and a rotation stopper that determines a door lock release position of the handle portion is provided.
- the handle portion has an engagement groove in which the engagement pin moves by the rotation of the handle portion.
- the engagement groove faces in the horizontal direction when the handle portion is in the door lock release position and is engaged by opening and closing the door.
- the joint pin has an open end to be withdrawn or entered, and when the handle portion is displaced from the door lock release position to the door lock position, the engagement groove and the engagement pin are engaged to restrict the opening and closing of the door, and the handle portion is the door
- the rotation stopper positions the handle portion so that the engagement pin is positioned within the extension range of the open end in the vertical direction when the handle portion is in the door lock release position.
- the engagement groove is closer to the door than the horizontal distance between the engagement pin and the rotation shaft when the handle portion is at the door lock position. It has an extrusion surface that presses the engagement pin so that the horizontal distance when it is in the unlocked position is larger.
- the other aspect of the present application is a freezer.
- the freezer includes a freezer body having an opening, a door that closes the opening so as to be openable and closable, and the handle according to the above aspect.
- FIGS. 6A and 6B are views showing the internal structure of the handle at each rotation position of the handle.
- FIGS. 7A and 7B are views showing the internal structure of the handle at each rotation position of the handle.
- FIG. 8A and FIG. 8B are diagrams for explaining the third security mechanism.
- FIG. 1 is a perspective view of a freezer according to the embodiment.
- the freezer 1 according to the present embodiment is a refrigerator that can cool the storage chamber to an ultra-low temperature of about ⁇ 80 ° C.
- the freezer 1 includes a freezer main body 2, a door 4, and a handle 100.
- the freezer body 2 is a vertical heat insulating box, and has an opening 2a on the front surface and a storage chamber 2b inside.
- the storage chamber 2b communicates with the outside through the opening 2a.
- One end of the door 4 in the horizontal direction (the direction of the arrow Y in FIG. 1) is rotatably connected to the freezer body 2.
- the door 4 is rotatably connected to the freezer body 2 via a conventionally known hinge mechanism 6.
- the door 4 rotates about the axis Ax1 in the vertical direction and closes the opening 2a so that it can be opened and closed.
- the handle 100 is provided on the side surface 2c and the side surface 4c on the side where the freezer main body 2 and the door 4 are not connected, that is, on the side surface of the freezer 1 opposite to the side where the hinge mechanism 6 is provided.
- the hinge mechanism 6 is provided on the right side as viewed from the front of the freezer 1, and the handle 100 is provided on the left side.
- the attachment position of the hinge mechanism 6 and the handle 100 may be reversed.
- the handle 100 is operated when opening and closing the door 4.
- the structure of the handle 100 will be described in detail.
- FIG. 2 is a front view of the handle 100 according to the embodiment.
- FIG. 3 is a perspective view of the handle 100 as viewed from the lower rear side.
- FIG. 4 is a view showing the internal structure of the handle 100.
- FIG. 5 is an exploded perspective view of the handle 100.
- the direction in which the side surfaces of the freezer 1 are arranged is the front-back direction of the handle 100.
- the side in contact with the side surface of the freezer 1 is the back surface of the handle 100.
- the main body base is not shown.
- the handle 100 for the freezer 1 includes a main body base 102, a door base 104, and a handle portion 106.
- the main body base 102 is fixed to the freezer main body 2.
- the door base 104 is fixed to the door 4.
- the handle 106 is connected to the door base 104.
- the main body base 102 is fixed to the side surface 2c of the freezer main body 2 on the side where the freezer main body 2 and the door 4 are not connected.
- the main body base 102 includes a flat plate portion 108, an engagement pin 110, and a protruding portion 112.
- One flat surface of the flat plate portion 108 is in contact with the side surface 2c of the freezer body 2, and is fixed to the freezer body 2 by a fastening member 114 such as a screw.
- the engagement pin 110 is fixed to the flat plate portion 108 and extends in the horizontal direction (the direction of the arrow Y in FIG. 1, in other words, the substantially normal direction of the side surface 2c).
- the protruding portion 112 is formed integrally with the flat plate portion 108 and protrudes toward the handle portion 106 side, more specifically, toward the regulating member 140 side of the handle portion 106 or the door base 104 side. In the present embodiment, the protruding portion 112 protrudes closer to the handle portion 106 than the engaging pin 110, and further protrudes closer to the handle portion 106 than the flat plate portion 108.
- the main body base 102 is mainly formed of a metal material.
- the door base 104 is fixed to the side surface 4c of the door 4 on the side where the freezer body 2 and the door 4 are not connected.
- the door base 104 has a flat plate portion 116 and a rotation shaft 118.
- One main surface of the flat plate portion 116 abuts on the side surface 4 c of the door 4.
- the flat plate part 116 is provided with a first insertion hole 120.
- the door base 104 is fixed to the door 4 by inserting a fastening member 122 such as a screw through the first insertion hole 120.
- the rotation shaft 118 is fixed to the flat plate portion 116 and extends in the horizontal direction (the direction of the arrow Y in FIG. 1, in other words, the substantially normal direction of the side surface 4c).
- the door base 104 is mainly formed of a metal material.
- the handle portion 106 is rotatably connected to the rotation shaft 118.
- the handle portion 106 includes a hollow cover portion 124 that covers the main body base 102 and the door base 104, and a grip portion 126 that extends upward from the cover portion 124 in the vertical direction (the direction of arrow Z in FIG. 1).
- the cover portion 124 has a bottomed cylindrical shape, and a grip portion 126 is provided on the outer peripheral surface.
- the cover part 124 is disposed so that the open end of the cylinder faces the freezer 1 side.
- the cover portion 124 has an insertion hole 128 for the rotation shaft 118 on the bottom surface of the cylinder. By inserting the rotation shaft 118 through the insertion hole 128, the handle portion 106 is rotatably connected to the door base 104.
- the handle portion 106 is mainly formed of a resin material.
- the handle portion 106 rotates around the rotation shaft 118 and can be displaced between a door lock position that restricts opening and closing of the door 4 and a door lock release position that allows opening and closing of the door 4.
- FIG. 4 shows the handle 106 in the door lock position.
- FIG. 7A which will be described later, shows the handle 106 at the door lock release position.
- the user of the freezer 1 pushes and pulls the grip 126 in the front-back direction of the freezer 1 (the direction of the arrow X in FIG. 1), so that the handle 106 is moved between the door lock position and the door lock release position. Can be displaced.
- the handle portion 106 has an engagement groove 130 in the cover portion 124.
- the engaging groove 130 extends in the vertical direction with the handle 106 in the door lock position.
- the engagement groove 130 has an open end 132.
- the open end 132 corresponds to a portion where the outer peripheral surface of the cover portion 124 is cut out in a region where the outer peripheral surface of the cover portion 124 and the engaging groove 130 are in contact with each other.
- the engagement pin 110 can enter or leave the engagement groove 130 via the open end 132.
- the engaging pin 110 that has entered the engaging groove 130 moves inside the engaging groove 130 by the rotation of the handle portion 106.
- the cover portion 124 is provided with a convex portion 134 that protrudes toward the door base 104 at the peripheral edge portion of the insertion hole 128.
- the door base 104 is provided with a rotation stopper 136 that protrudes toward the cover portion 124 at the periphery of the rotation shaft 118.
- the convex portion 134 and the rotation stopper 136 are relatively displaced by the rotation of the handle portion 106, and both abut against each other when the handle portion 106 is in the door lock release position. Therefore, the convex part 134 and the rotation stopper 136 function as a positioning member that determines the door lock release position of the handle part 106.
- FIGS. 6A, 6 ⁇ / b> B, 7 ⁇ / b> A, and 7 ⁇ / b> B are diagrams showing the internal structure of the handle 100 at each rotation position of the handle 106.
- the handle 106 can be rotated between a door lock position shown in FIG. 6A and a door lock release position shown in FIGS. 7A and 7B.
- the engagement pin 110 is positioned inside the engagement groove 130, and both engage with each other.
- the engagement pin 110 has entered the deepest part of the engagement groove 130. Since the engagement pin 110 and the engagement groove 130 are engaged, the opening / closing of the door 4 is restricted.
- the open end 132 faces downward in the vertical direction with the handle 106 in the door lock position.
- the engagement pin 110 moves in the engagement groove 130 toward the open end 132.
- the engagement pin 110 moves while being in contact with the pushing surface 138 which is the side surface of the engagement groove 130 and is located between the engagement pin 110 and the rotation shaft 118.
- the extrusion surface 138 has a curved surface shape that protrudes toward the engagement pin 110.
- the extrusion surface 138 is configured by a part of an ellipse centered on the rotation shaft 118.
- the push-out surface 138 has an engagement pin in a direction in which the freezer body 2 and the door 4 are separated from each other when the handle 106 is displaced from the door lock position to the door lock release position (the direction of the arrow X in FIG. 1). 110 is pressed. Further, as the handle portion 106 rotates, the convex portion 134 approaches the rotation stopper 136.
- the handle portion 106 rotates until the convex portion 134 comes into contact with the rotation stopper 136.
- the position where the convex part 134 contacts the rotation stopper 136 is the door lock release position of the handle part 106.
- the open end 132 faces in the horizontal direction (in the direction of arrow X in FIG. 1, more specifically in the back direction of the freezer 1) when the handle 106 is in the door unlocking position.
- the rotation stopper 136 positions the handle 106 so that the engaging pin 110 is positioned within the extension range H of the open end 132 in the vertical direction when the handle 106 is in the door lock release position. Thereby, the engagement between the engagement pin 110 and the engagement groove 130 is released, and the opening and closing of the door 4 is allowed.
- the engaging pin 110 moves in the engaging groove 130 while being pressed by the pushing surface 138 as the handle 106 rotates, and reaches the vicinity of the open end 132 of the engaging groove 130.
- the horizontal distance R1 between the engaging pin 110 and the rotating shaft 118 when the handle 106 is in the door lock position (see FIG. 6A).
- the horizontal distance R2 between the engaging pin 110 and the rotating shaft 118 when the handle 106 is in the door lock release position is larger.
- the engagement pin 110 is pressed by the pushing surface 138 so that the freezer main body 2 and the door 4 are not in contact with each other on the side surfaces 2c and 4c to which the main body base 102 and the door base 104 are fixed.
- the “door” when a sealing member such as packing is provided on the peripheral portion of the main surface of the door 4 facing the freezer main body 2 side, the “door” includes the sealing member. Therefore, “the freezer main body 2 and the door 4 are not in contact with each other” means a state where the freezer main body 2 and the sealing member provided on the door 4 are separated from each other. The same applies to the case where a sealing member is provided on the outer peripheral surface of the opening 2a of the freezer body 2.
- the engagement pin 110 When the handle 106 is in the door unlocking position, the engagement pin 110 is positioned within the extension range H of the open end 132 in the vertical direction. Therefore, as shown in FIG. 7B, the door 4 can be opened by rotating the door 4 around the axis Ax1 (see FIG. 1). By the opening operation of the door 4, the engagement pin 110 is retracted from the engagement groove 130. When the door 4 closes, the reverse operation is performed. That is, the engagement pin 110 enters the engagement groove 130 by the closing operation of the door 4 in a state where the handle portion 106 is in the door lock release position. When the handle portion 106 rotates about the rotation shaft 118, the engagement pin 110 moves in the engagement groove 130 and reaches the innermost portion. As a result, the handle 106 is displaced from the door lock release position to the door lock position.
- the engagement groove 130 and the engagement pin 110 are engaged to restrict the opening and closing of the door 4, and the handle 106 is locked to the door lock.
- the engagement between the engagement groove 130 and the engagement pin 110 is released, and the door 4 is allowed to open and close.
- the handle portion 106 has a center of gravity so that a load acts in a direction in which the handle portion 106 rotates counterclockwise around the rotation shaft 118 at the door lock position shown in FIG. That is, in a state where no external load is applied to the handle portion 106, a load is applied to the handle portion 106 in a direction in which the engagement pin 110 moves in the engagement groove 130 to the side opposite to the open end 132. .
- a load is applied to the handle portion 106 in a direction in which the engagement pin 110 moves in the engagement groove 130 to the side opposite to the open end 132.
- the handle portion 106 prevents the handle portion 106 from being unintentionally displaced to the door lock release position and thereby opening the door 4.
- the opening 2 a of the freezer body 2 is closed by the door 4.
- an elastic packing is provided between the freezer body 2 and the door 4. The door 4 closes the opening 2a of the freezer body 2 while pressing the packing. Therefore, a force in a direction away from the freezer body 2 is applied to the door 4 due to the repulsive force of the packing.
- the handle return lock mechanism provided in the handle 100 will be described with reference to FIGS. 5, 7A, and 7B.
- the handle return lock mechanism is a mechanism for restricting displacement of the handle 106 at the door lock release position to the door lock position.
- One of the handle portion 106 and the door base 104 has a regulating member 140 and the other has a regulating member receiving portion 142.
- the handle portion 106 has a restricting member receiving portion 142
- the door base 104 has a restricting member 140.
- the convex portion 134 provided on the handle portion 106 functions as the restricting member receiving portion 142. That is, the convex portion 134 is used both as a positioning mechanism for determining the door lock release position of the handle portion 106 and a handle return lock mechanism.
- the regulating member 140 is provided to be displaceable with respect to one member (the door base 104 in the present embodiment). Specifically, the restricting member 140 is rotatably connected to a rotating shaft 144 that is fixed to the flat plate portion 116 of the door base 104. The restricting member 140 is in a first posture (see FIG. 7B) that restricts the handle portion 106 from being displaced to the door lock position by contacting the restricting member receiving portion 142 in a state where the handle portion 106 is in the door lock release position. ) And a second posture (see FIG. 7A) that allows the handle portion 106 that is separated from the restricting member receiving portion 142 and located at the door lock release position to be displaced to the door lock position. is there.
- the restricting member 140 is in the first posture in a state where the engaging pin 110 is retracted from the engaging groove 130, and the engaging pin 110 is engaged.
- the second posture is switched. That is, the first posture and the second posture of the regulating member 140 are automatically switched according to the opening degree of the door 4.
- the handle 106 at the door unlocking position is restricted from being displaced to the door locking position.
- the handle 100 includes a biasing member 146 that biases the restricting member 140 so as to take the first posture.
- the urging member 146 is configured by a coil spring, and is fixed to the door base 104 by inserting the rotating shaft 144. One end of the coil spring constituting the urging member 146 engages with the door base 104 and the other end engages with the regulating member 140.
- the protrusion 112 provided on the main body base 102 is disposed at a position that is shifted from the rotation shaft 144 in the vertical direction and that overlaps the restriction member 140.
- the regulating member 140 is a substantially V-shaped member.
- a rotating shaft 144 is disposed in the vicinity of the V-shaped apex. Further, one end of the V-shape comes into contact with the regulating member receiving portion 142. Further, the other end portion of the V-shape is pressed by the protrusion 112.
- the restriction member 140 has a V-shaped apex as a fulcrum, one end as an action point, and the other end as a power point.
- the regulating member 140 takes the first posture by the biasing force of the biasing member 146.
- the first posture one end of the restricting member 140 advances on the track of the restricting member receiving portion 142 that is displaced as the handle portion 106 rotates, and comes into contact with the restricting member receiving portion 142.
- FIG. 7A when the door 4 approaches the freezer main body 2 and the engagement pin 110 enters the engagement groove 130, the protrusion 112 is formed as the door 4 approaches the freezer main body 2.
- the regulating member 140 is pressed in the direction opposite to the urging direction of the urging member 146. Thereby, the restricting member 140 is switched to the second posture.
- the restricting member 140 rotates with the vertex of the V shape as a fulcrum, and the one end retreats from the track of the restricting member receiving portion 142.
- the first security mechanism will be described with reference to FIGS. 2 and 4 to 6B.
- the first security mechanism is a mechanism that prevents the door 4 from opening by restricting the rotation of the handle 106 at the door lock position.
- the handle 100 has a lock mechanism 148 that fixes the handle 106 to the door base 104.
- the lock mechanism 148 includes a convex portion 134, a lock pin 150, a fixed base 152, a rotation shaft 154, and a lock pin rotation portion 156.
- the convex portion 134 rotates together with the handle portion 106 and contacts the rotation stopper 136 when the handle portion 106 is in the door lock release position (see FIG. 7A), and when the handle portion 106 is in the door lock position. It separates from the rotation stopper 136 (refer FIG. 6 (A)).
- the lock pin 150 is a member that is long in one direction, has an insertion hole 158 on one end side, has a head portion 160 on the other end side, and has an engagement slit 162 on the middle portion.
- the head portion 160 protrudes in a direction intersecting with the extending direction of the lock pin 150.
- the engagement slit 162 extends substantially along the extending direction of the lock pin 150.
- the lock pin rotating part 156 is a substantially cylindrical member and is provided so as to penetrate the cover part 124.
- the lock pin rotating portion 156 has an engagement protrusion 166 on one end side disposed on the inner side of the cover portion 124, and a key hole 168 on the other end side exposed to the outer side of the cover portion 124.
- the engagement protrusion 166 of the lock pin 150 is inserted into the engagement slit 162 of the lock pin 150.
- the lock pin rotating portion 156 can be rotated by putting the key 170 in the keyhole 168 and turning it.
- the rotation of the lock pin rotation unit 156 is transmitted to the lock pin 150 via the engagement protrusion 166 and the engagement slit 162, and the lock pin 150 rotates about the rotation shaft 154.
- the lock pin 150 can cause the head portion 160 to enter the space between the convex portion 134 and the rotation stopper 136 that are generated when the handle portion 106 is in the door lock position.
- the head portion 160 enters between the convex portion 134 and the rotation stopper 136, the displacement of the convex portion 134 in the direction approaching the rotation stopper 136 is restricted. For this reason, the displacement of the handle 106 from the door lock position to the door lock release position is restricted.
- the lock pin rotation unit 156 When the user rotates the lock pin rotation unit 156 using the key 170, the lock pin 150 rotates around the rotation shaft 154 as shown in FIG. Then, the head portion 160 is retracted from the space between the convex portion 134 and the rotation stopper 136. Thereby, as shown in FIG. 6B, the convex portion 134 can be displaced in a direction approaching the rotation stopper 136. That is, the handle 106 can be displaced from the door lock position to the door lock release position.
- the second security mechanism will be described with reference to FIGS.
- the second security mechanism is a mechanism that prevents the door 4 from being opened by locking the handle 100 using a lock such as a padlock.
- the door base 104 has a first locking hole 172 to which a lock (not shown) for fixing the handle 106 to the door base 104 is attached.
- the handle portion 106 has a second locking hole 174 to which a lock is attached together with the first locking hole 172.
- the first locking hole 172 and the second locking hole 174 overlap in the direction in which the door base 104 and the handle 106 are aligned (in the direction of arrow Y in FIG. 1) when the handle 106 is at the door lock position.
- the mutual positional relationship is determined so that 106 is shifted when it is in the door unlocking position.
- the lock latch is inserted into the second locking hole 174 following the first locking hole 172.
- the second locking hole 174 is inserted into the first locking hole 172 and then locked. As a result, the displacement of the handle 106 from the door lock position to the door lock release position is restricted.
- the third security mechanism will be described with reference to FIGS. 8 (A) and 8 (B).
- FIG. 8A and FIG. 8B are diagrams for explaining the third security mechanism.
- the third security mechanism is a mechanism that prevents the door 4 from being opened by restricting the removal of the door base 104 and the handle portion 106 from the door 4.
- the handle portion 106 has a second insertion hole 176 through which the fastening member 122 is inserted.
- the second insertion hole 176 is a hole through which the fastening member 122 is inserted when the door base 104 to which the handle 106 is coupled is fixed to the door 4.
- the operator inserts the fastening member 122 into the cover portion 124 through the second insertion hole 176 and inserts the fastening member 122 into the first insertion hole 120 (see FIG. 3) of the door base 104, thereby 104 and the handle 106 can be fixed to the door 4.
- the first insertion hole 120 and the second insertion hole 176 are arranged in the direction in which the door 4, the door base 104, and the handle 106 are aligned (in the direction of arrow Y in FIG. 1), and when the handle 106 is in the door unlocking position.
- the mutual positional relationship is determined so that they overlap and shift when the handle 106 is in the door lock position.
- the second insertion hole 176 is displaced from the fastening member 122 when the handle 106 is in the door lock position.
- the operator cannot access the fastening member 122.
- FIG. 8B the operator can face the fastening member 122 through the second insertion hole 176 in a state where the handle portion 106 is in the door lock release position. For this reason, the operator can remove the fastening member 122.
- first insertion holes 120 and four second insertion holes 176 are provided, and three of them are overlapped when the handle 106 is in the door lock release position, and the handle 106 is The positional relationship is determined so as to be displaced when in the door lock position. On the other hand, the positional relationship is determined so that the remaining one set located at the lowermost end overlaps when the handle portion 106 is in the door lock position and shifts when the handle portion 106 is in the door lock release position. .
- the second insertion hole 176 is provided at a position overlapping the first insertion hole 120 or the fastening member 122 located at the lowermost end in a state where the handle portion 106 is in the door lock release position for the convenience of arrangement space. This is because it cannot be done.
- the handle portion 106 needs to be enlarged.
- the second insertion hole 176 corresponding to the first insertion hole 120 located in the vicinity of the peripheral edge of the handle portion 106 is arranged so as to overlap the first insertion hole 120 when the handle portion 106 is in the door lock position. As a result, the handle 106 can be downsized.
- At least one second insertion hole 176 is arranged so that the rotation shaft 144 overlaps on the track when being displaced with the rotation of the handle portion 106. For this reason, the rotation shaft 144 can be accessed through the second insertion hole 176. Thereby, the operation
- the handle 100 has the handle portion 106 that can be displaced between the door lock position and the door lock release position.
- the engagement groove 130 provided in the handle portion 106 has an open end 132 that faces in the horizontal direction when the handle portion 106 is in the door lock release position.
- the engagement pin 110 moves out or enters the open end 132 by opening and closing the door 4.
- the engagement groove 130 and the engagement pin 110 are engaged to restrict the opening and closing of the door 4.
- the handle portion 106 is displaced from the door lock position to the door lock release position, the engagement between the engagement groove 130 and the engagement pin 110 is released and the door 4 is allowed to open and close.
- the handle 100 includes a rotation stopper 136 that determines a door lock release position of the handle portion 106.
- the rotation stopper 136 positions the handle 106 so that the engaging pin 110 is positioned within the extension range H of the open end 132 in the vertical direction when the handle 106 is in the door lock release position.
- the user can open and close the door 4 without finely adjusting the position of the engagement pin 110 and the open end 132 when the door 4 is opened and closed. Therefore, the usability of the freezer 1 can be improved.
- the engagement pin 110 can be smoothly and reliably entered into the engagement groove 130 from the open end 132. For this reason, it can avoid that the engaging pin 110 and the handle part 106 collide and are damaged.
- the engagement groove 130 has an extrusion surface 138.
- the push-out surface 138 has a horizontal distance R1 between the engaging pin 110 and the rotary shaft 118 when the handle 106 is in the door lock position.
- the engagement pin 110 is pressed so that the horizontal distance R2 between the engagement pin 110 and the rotation shaft 118 when the handle 106 is in the door lock release position is larger.
- the inside of the storage room 2b of the freezer 1 is sealed to the outside and kept at a low temperature. Accordingly, the inside of the storage chamber 2b tends to be negative pressure.
- a magnet packing is interposed between the freezer body 2 and the door 4.
- frost, ice, or the like may adhere to the connecting portion between the freezer body 2 and the door 4. Due to these factors, it may be difficult to open the door 4.
- the handle 100 assists the opening operation of the door 4 by pressing the engagement pin 110 in the direction in which the freezer main body 2 and the door 4 are separated from each other by the pushing surface 138. For this reason, the force required for the opening operation of the door 4 can be reduced. Therefore, the usability of the freezer 1 can be improved.
- the engagement pin 110 is pressed by the pushing surface 138 so that the freezer main body 2 and the door 4 are not in contact with each other on the side surfaces 2c and 4c to which the main body base 102 and the door base 104 are fixed. Become. Thereby, the force required for the opening operation of the door 4 can be reduced more reliably.
- the extrusion surface 138 is located between the engagement pin 110 and the rotation shaft 118, and has a curved surface shape convex toward the engagement pin 110 side. As a result, the load that is generated when the pushing surface 138 presses the engaging pin 110 and that impedes the rotation of the handle portion 106 is displaced from the door lock position of the handle portion 106 to the door lock release position. Can be equalized.
- the extrusion surface 138 is not limited to one having a curved surface shape convex toward the engagement pin 110 side.
- the extrusion surface 138 may have any shape that can press the engagement pin 110 so that the freezer body 2 and the door 4 are not in contact with each other.
- the push-out surface 138 protrudes closer to the engagement pin 110 than the contact point between the engagement pin 110 and the push-out surface 138 in a state where the handle 106 is being displaced from the door lock position to the door lock release position. It has a flat surface or a curved surface.
- the shape of the extrusion surface 138 itself may be a planar shape that extends without being refracted from one end side to the other end side (that is, constituted by a single plane), or between the one end side and the other end side. You may have a refractive part (namely, comprised by several planes).
- the extrusion surface 138 may have a convex shape toward the engagement pin 110 or a concave shape with the handle portion 106 in the door lock position, for example. Good.
- the handle 100 includes a handle return lock mechanism. That is, one of the handle portion 106 and the door base 104 has the restriction member 140, and the other has the restriction member receiving portion 142.
- the restricting member 140 can be switched between the first posture and the second posture.
- the first posture is a posture that restricts displacement of the handle portion 106 to the door lock position by contacting the restricting member receiving portion 142 in a state where the handle portion 106 is in the door lock release position.
- the second posture is a posture that allows the handle portion 106 that is separated from the restricting member receiving portion 142 and located at the door lock release position to be displaced to the door lock position.
- the handle 100 By providing the handle 100 with the handle return lock mechanism, for example, it is possible to prevent the handle 106 from returning to the door lock position against the user's intention when the door 4 is open. Thereby, it can be avoided that the door 4 is closed in a state where the handle portion 106 is returned to the door lock position, and the handle portion 106 and the engagement pin 110 collide with each other.
- the restricting member 140 is in the first posture with the engagement pin 110 retracted from the engagement groove 130, and switches to the second posture when the engagement pin 110 enters the engagement groove 130. That is, when the door 4 is opened, the handle 106 is fixed so that the handle 106 does not return from the door unlocking position to the door locking position. When the door 4 is closed, the handle 106 is synchronized with the displacement of the door 4. Fixing is released. Therefore, it is possible to automatically switch between the control of the handle rotation and the release thereof according to the opening degree of the door 4. Therefore, the usability of the freezer 1 can be further improved.
- the handle 100 includes a biasing member 146 that biases the restriction member 140 so as to take the first posture.
- the main body base 102 has a protruding portion 112 protruding toward the handle portion 106 side.
- the protrusion 112 presses the restricting member 140 in a direction opposite to the urging direction of the urging member 146 as the door 4 approaches the freezer body 2.
- the restricting member 140 is switched to the second posture. According to this configuration, it is possible to realize switching between the restriction of the handle rotation and the release thereof according to the opening degree of the door 4 with a simple configuration.
- the handle 100 includes a first security mechanism. That is, a lock mechanism 148 that fixes the handle 106 to the door base 104 is provided.
- the lock mechanism 148 has a convex portion 134 and a lock pin 150.
- the convex portion 134 rotates together with the handle portion 106 and contacts the rotation stopper 136 when the handle portion 106 is at the door lock release position, and is separated from the rotation stopper 136 when the handle portion 106 is at the door lock position.
- the lock pin 150 enters between the convex portion 134 and the rotation stopper 136 in a state where the handle portion 106 is at the door lock position, and restricts the displacement of the handle portion 106. Thereby, the security of the freezer 1 can be improved.
- the handle 100 includes a second security mechanism. That is, the door base 104 has a first locking hole 172 to which a lock is attached.
- the handle portion 106 has a first locking hole 172 and a second locking hole 174 to which a lock is attached.
- the first locking hole 172 and the second locking hole 174 are positioned relative to each other so that the first locking hole 172 and the second locking hole 174 overlap when the handle portion 106 is in the door lock position, and shift when the handle portion 106 is in the door lock release position. ing. Thereby, the security of the freezer 1 can be improved.
- the handle 100 includes a third security mechanism. That is, the door base 104 has a flat plate portion 116 that contacts the side surface 4 c of the door 4 and a first insertion hole 120 through which a fastening member 122 for fixing the door base 104 to the door 4 is inserted.
- the handle portion 106 has a second insertion hole 176 through which the fastening member 122 is inserted.
- the first insertion hole 120 and the second insertion hole 176 have a positional relationship with each other so that the first insertion hole 120 and the second insertion hole 176 overlap when the handle portion 106 is in the door lock release position and are displaced when the handle portion 106 is in the door lock position. ing. Thereby, the security of the freezer 1 can be improved.
- the present invention can be used for a handle and a freezer.
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Abstract
Description
図5、図7(A)及び図7(B)を参照しながらハンドル100が備えるハンドル戻りロック機構について説明する。ハンドル戻りロック機構は、ドアロック解除位置にある取手部106がドアロック位置に変位することを規制するための機構である。
図2、図4~図6(B)を参照しながら第1セキュリティ機構について説明する。第1セキュリティ機構は、ドアロック位置にある取手部106の回動を規制することで扉4の開放を防ぐ機構である。
図3及び図5を参照しながら第2セキュリティ機構について説明する。第2セキュリティ機構は、南京錠等の錠前を用いてハンドル100を施錠することで、扉4の開放を防ぐ機構である。
図8(A)及び図8(B)を参照しながら第3セキュリティ機構について説明する。図8(A)及び図8(B)は、第3セキュリティ機構を説明するための図である。第3セキュリティ機構は、扉ベース104及び取手部106の扉4からの取り外しを規制することで、扉4の開放を防ぐ機構である。
Claims (11)
- 前面に開口を有するフリーザ本体と、水平方向における一端側が前記フリーザ本体に回動可能に連結され、鉛直方向の軸周りに回動して前記開口を開閉可能に塞ぐ扉とを備えるフリーザ用のハンドルであって、
前記フリーザ本体と前記扉とが連結されていない側の前記フリーザ本体の側面に固定され、水平方向に延伸する係合ピンを有する本体ベースと、
前記フリーザ本体と前記扉とが連結されていない側の前記扉の側面に固定され、水平方向に延伸する回動軸を有する扉ベースと、
回動軸周りに回動して、前記扉の開閉を規制するドアロック位置と前記扉の開閉を許容するドアロック解除位置との間で変位可能である取手部と、
前記取手部のドアロック解除位置を決める回動ストッパと、を備え、
前記取手部は、前記取手部の回動により前記係合ピンが内部を移動する係合溝を有し、前記係合溝は、前記取手部がドアロック解除位置にあるとき水平方向を向くとともに前記扉の開閉により前記係合ピンが退出又は進入する開放端を有し、前記取手部がドアロック解除位置からドアロック位置に変位すると前記係合溝と前記係合ピンとが係合して前記扉の開閉が規制され、前記取手部がドアロック位置からドアロック解除位置に変位すると前記係合溝と前記係合ピンとの係合が解除されて前記扉の開閉が許容され、
前記回動ストッパは、前記取手部がドアロック解除位置にあるとき、鉛直方向で前記係合ピンが前記開放端の延在範囲内に位置するように前記取手部を位置決めし、
前記係合溝は、前記取手部がドアロック位置からドアロック解除位置に変位する際に、前記取手部がドアロック位置にあるときの前記係合ピンと前記回動軸との水平方向距離よりも、前記取手部がドアロック解除位置にあるときの前記水平方向距離の方が大きくなるように前記係合ピンを押圧する押出面を有することを特徴とするハンドル。 - 前記押出面により前記係合ピンが押圧されて、前記本体ベース及び前記扉ベースが固定される側面の側において前記フリーザ本体と前記扉とが非接触となる請求項1に記載のハンドル。
- 前記押出面は、前記係合ピンと前記回動軸との間に位置し、前記係合ピン側に凸の曲面形状を有する請求項1又は2に記載のハンドル。
- 前記取手部及び前記扉ベースは、一方が規制部材を有し、他方が規制部材受部を有し、
前記規制部材は、前記一方の部材に対して変位可能に設けられ、前記取手部がドアロック解除位置にある状態で前記規制部材受部に当接して前記取手部がドアロック位置に変位することを規制する第1姿勢と、前記規制部材受部から離間してドアロック解除位置にある前記取手部がドアロック位置に変位することを許容する第2姿勢との間で切り替え可能である請求項1乃至3のいずれか1項に記載のハンドル。 - 前記規制部材は、前記係合ピンが前記係合溝から退出した状態で前記第1姿勢であり、前記係合ピンが前記係合溝に進入すると前記第2姿勢に切り替わる請求項4に記載のハンドル。
- 前記第1姿勢をとるように前記規制部材を付勢する付勢部材をさらに備え、
前記本体ベースは、前記取手部側に突出する突起部を有し、
前記扉の前記フリーザ本体への接近にともなって前記突起部が前記付勢部材の付勢方向とは逆の方向に前記規制部材を押圧し、前記規制部材が前記第2姿勢に切り替わる請求項4又は5に記載のハンドル。 - 前記扉ベースに対して前記取手部を固定するロック機構を有する請求項1乃至6のいずれか1項に記載のハンドル。
- 前記ロック機構は、
前記取手部とともに回動して前記取手部がドアロック解除位置にあるとき前記回動ストッパに当接し、前記取手部がドアロック位置にあるとき前記回動ストッパから離間する凸部と、
前記取手部がドアロック位置にある状態で前記凸部と前記回動ストッパとの間に進入して前記取手部のドアロック位置からドアロック解除位置への変位を規制するロックピンと、を有する請求項7に記載のハンドル。 - 前記扉ベースは、前記扉ベースに対して前記取手部を固定するための錠前が取り付けられる第1施錠孔を有し、
前記取手部は、前記第1施錠孔とともに前記錠前が取り付けられる第2施錠孔を有し、
前記第1施錠孔と前記第2施錠孔とは、前記扉ベース及び前記取手部の並ぶ方向で、前記取手部がドアロック位置にあるときに重なり前記取手部がドアロック解除位置にあるときにずれるように互いの位置関係が定められている請求項1乃至8のいずれか1項に記載のハンドル。 - 前記扉ベースは、前記扉の側面に当接する平板部と、前記平板部に設けられ前記扉ベースを前記扉に固定するための締結部材が挿通される第1挿通孔とを有し、
前記取手部は、前記締結部材が挿通される第2挿通孔を有し、
前記第1挿通孔と前記第2挿通孔とは、前記扉、前記扉ベース及び前記取手部の並ぶ方向で、前記取手部がドアロック解除位置にあるときに重なり前記取手部がドアロック位置にあるときにずれるように互いの位置関係が定められている請求項1乃至9のいずれか1項に記載のハンドル。 - 開口を有するフリーザ本体と、
前記開口を開閉可能に塞ぐ扉と、
請求項1乃至10のいずれか1項に記載のハンドルと、
を備えることを特徴とするフリーザ。
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EP16857300.4A EP3339779B1 (en) | 2015-10-20 | 2016-10-06 | Handle and freezer |
KR1020187007663A KR102045162B1 (ko) | 2015-10-20 | 2016-10-06 | 핸들 및 프리저 |
CN201680054402.7A CN108027195B (zh) | 2015-10-20 | 2016-10-06 | 把手及冷冻器 |
JP2017546494A JP6392466B2 (ja) | 2015-10-20 | 2016-10-06 | ハンドル及びフリーザ |
US15/938,639 US10309135B2 (en) | 2015-10-20 | 2018-03-28 | Handle and freezer |
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US15/938,639 Continuation US10309135B2 (en) | 2015-10-20 | 2018-03-28 | Handle and freezer |
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WO2022102291A1 (ja) * | 2020-11-13 | 2022-05-19 | Phcホールディングス株式会社 | 錠装置および冷凍装置 |
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EP3339779A1 (en) | 2018-06-27 |
US20180216376A1 (en) | 2018-08-02 |
CN108027195B (zh) | 2020-09-01 |
EP3339779B1 (en) | 2020-01-08 |
KR20180042331A (ko) | 2018-04-25 |
US10309135B2 (en) | 2019-06-04 |
EP3339779A4 (en) | 2018-10-17 |
KR102045162B1 (ko) | 2019-11-14 |
CN108027195A (zh) | 2018-05-11 |
JPWO2017068984A1 (ja) | 2018-05-24 |
JP6392466B2 (ja) | 2018-09-19 |
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