US20020124738A1 - Hinge assembly for a door of kimchi storage device - Google Patents
Hinge assembly for a door of kimchi storage device Download PDFInfo
- Publication number
- US20020124738A1 US20020124738A1 US10/072,311 US7231102A US2002124738A1 US 20020124738 A1 US20020124738 A1 US 20020124738A1 US 7231102 A US7231102 A US 7231102A US 2002124738 A1 US2002124738 A1 US 2002124738A1
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- US
- United States
- Prior art keywords
- door
- hinge
- compartment
- spring
- hinge housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003860 storage Methods 0.000 title claims abstract description 55
- 235000021109 kimchi Nutrition 0.000 title claims abstract description 40
- 238000010168 coupling process Methods 0.000 claims description 38
- 238000005859 coupling reaction Methods 0.000 claims description 38
- 230000008878 coupling Effects 0.000 claims description 34
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000026058 directional locomotion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
Images
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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
- E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
- E05D11/105—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis
- E05D11/1064—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis with a coil spring perpendicular to the pivot axis
-
- 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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/20—Combinations of elements
- E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression 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
- 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
-
- 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
-
- 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
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
- F25D2323/024—Door hinges
-
- 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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/10—Refrigerator top-coolers
Definitions
- the present invention relates to a hinge assembly for a door of a kimchi storage device, and more particularly, to a hinge assembly for a door of a kimchi storage device which prevents opening and closing impact of a door and enables stable opening and closing by alleviating an opening and closing speed of the door by a springback force of an elastic means when mounting the door at an upper surface of the body of the kimchi storage device having a storage chamber and opening and closing the same, the door being rotated in one direction and opening and closing the storage chamber.
- the kimchi storage device is constituted in such a manner that it can mature kimchi adequately according to a seasonal variation and a user's taste and then preserve the taste of the well-matured kimchi for a long time at a proper temperature.
- FIG. 1 is a perspective view of a conventional kimchi storage device
- FIG. 2 is an extended perspective view of the dissembled state of a hinge joint of FIG. 1
- FIG. 3 is a side view of the hinge joint in the door-shut state
- FIG. 4 is a side view of the hinge joint in the door-open state.
- two separate kimchi storage chambers 3 are provided in the body 6 of the kimchi storage device which forms the appearance.
- Two doors 5 are hinged to the upper end of the rear surface of the body 6 in order to open and shut these two kimchi storage chambers 3 by lifting them upwardly.
- control of all operations of the kimchi storage is performed in a control panel 7 provided at the front surface of the body 6 .
- a body hinge portion 20 rotatably supporting the door 5 is prepared at the upper end of the rear surface of the body 6 .
- a door hinge portion 30 rotatably connected to the body hinge portion 20 is prepared at the back region of the door 5 .
- the body hinge portion 20 has a hinge bracket 21 of a predetermined length fixed to a top cover 15 and a hinge cover 25 blocking the back region of the hinge bracket 21 .
- the hinge bracket 21 is disposed so that its upper end portion is protruded upwardly of the top cover 15 .
- an axial coupling hole 28 for coupling a hinge axis 40 is formed.
- the hinge cover 25 is connected to the hinge bracket 21 in order to block the back region of the hinge bracket 21 .
- the door hinge portion 30 has a hinge containing portion 33 formed as a certain containing space in the back region and partially containing the upper region of the body hinge portion 20 and an axis connection portion 31 prepared as a certain space at both sides of the hinge containing portion 33 for connecting the hinge axis 40 .
- the hinge containing portion 33 and the axial connection portion 31 are segregated from each other by both side walls of the hinge containing portion 33 .
- a turn axis hole 38 for communicating the hinge containing portion 33 and the axis connection portion 31 is formed so that it corresponds to the axial coupling hole 28 of the hinge bracket 21 .
- the hinge axis 40 is coupled to the axial coupling hole 28 formed at the hinge bracket 21 of the body hinge portion 20 from the axis connection portion 31 of the door hinge portion 30 via the turn axis hole 38 .
- the door hinge portion 30 is rotatably connected to the body hinge portion 20 prepared at the upper end of the rear surface of the body 6 , and thusly the door 5 is connected to the body 6 to rotatably open and shut the storage chambers 3 .
- the hinge containing portion 33 containing the body hinge portion 20 is formed as a certain containing space at the back region of the door 5 , the back region of an upper wall of the hinge containing portion 33 is contacted to the rear surface of the body hinge portion 20 , that is, to the outer surface of the hinge cover 25 when the door 5 is opened. At this time, if the load of the door 5 is transferred to the contact portion to thus open the door 5 by force, the back region of the door 5 is damaged.
- an object of the present invention to provide a hinge assembly for a door of a kimchi storage device which eliminates the need to prepare a hinge joint when forming a body or door by manufacturing a hinge assembly and assembling it between the body and the door instead of preparing a body hinge portion and a door hinge portion and interconnecting them in the conventional art, improves the production efficiency by simplifying a process, and prevents the opening and closing impact of the door to thus enable stable opening and closing operations by preventing the lateral movement of the door and alleviating the opening and closing speed of the door by the springback force of a spring member.
- a kimchi storage device having a body formed with at least one storage chamber, an upper door rotatably disposed at the upper portion of the body through a hinge assembly and opening and closing the storage chamber and a cooling machine and heating machine for maturing and cooling kimchi in the storage chamber, the hinge assembly for a door, the hinge assembly comprising: a hinge housing fixed to one side of the body through a cover plate coupled to cover a compartment of which one side is open; a turn member fixed to the rear surface of the door and at the same time rotatably coupled to the upper end of the hinge housing by inserting a hinge axis into one end of said turn member; a roller-shaped press member rotatably disposed at the upper end of the turn member through a roller axis; a support member slidably contacted to the press member through a polygonal sloping contact surface, disposed in the compartment of the hinge housing and formed with a spring insertion hole at the other side of the sloping
- the elastic means is a pair of spring members.
- the elastic means consists of a pair of first spring members inserted into the spring insertion hole of the support member and a pair of second spring members connected to these first spring members in series by the medium of a connection plate.
- the elastic means is formed in a dual structure in which a pair of first spring members inserted into the spring insertion hole of the support member are inserted into one pair of second spring members with a length smaller than that of the first spring member.
- FIG. 1 is a perspective view of a conventional kimchi storage device
- FIG. 2 is an expanded perspective view of the dissembled state of a hinge joint of the conventional kimchi
- FIG. 3 is a side view of the hinge joint in the door-shut position of FIG. 2;
- FIG. 4 is a side view of the hinge joint in the door-open position of FIG. 2;
- FIG. 5 is a perspective assembly view of a hinge assembly according to a first embodiment of the present invention.
- FIGS. 6 and 7 are plane partial cutaway views of the storage employing a hinge assembly according to the first embodiment of the present invention.
- FIG. 8 is a perspective assembly view of a hinge assembly according to a second embodiment of the present invention.
- FIGS. 9 and 10 are plane partial cutaway views of the storage employing a hinge assembly according to the second embodiment of the present invention.
- FIG. 11 is a perspective assembly view of a hinge assembly according to a third embodiment of the present invention.
- FIGS. 12 and 13 are partial cutaway plane views of the storage employing a hinge assembly according to the second embodiment of the present invention.
- FIG. 5 is a perspective assembly view of a hinge assembly according to a first embodiment of the present invention.
- the hinge assembly includes a turn member 50 fixed to the door side, a hinge housing 70 forming a compartment 70 a in a case shape, a roller-shaped press member 65 disposed at the turn member 50 , a hexahedral support member 90 and a pair of spring members 80 , said support member and spring members being placed in the compartment 70 a of the hinge housing 70 , a support plate 86 , a control plate 84 , and a cover plate 100 fixed to the body.
- the turn member 50 fixed to the door side has a turn member body 51 with a door support flange 52 extending from the both ends of the turn member body 51 in a direction approximately perpendicular to opposite ends of the body 51 in spaced parallel relation.
- first and second screw holes 53 for screwing fastening screw(s) are formed.
- first and second reinforcing ribs 55 are formed to increase strength.
- first and second axial coupling holes 56 for coupling the hinge axis rotatable with the hinge housing 70 are formed.
- first and second pin holes 57 for rotatably coupling the roller-shaped press member 65 are formed.
- the hinge housing 70 has a shape of an approximately cut case in which lateral sides 71 and a lower side 72 form a right angle, of which one side being open for hinge coupling with the turn member 50 and being formed with a projection that is curved and has an axial hole 74 at the edge of the lateral side 71 .
- a plurality of engagement ribs 75 for engaging with the cover plate 100 are extruded integrally at predetermined intervals.
- an adjusting screw hole is formed in order to insert an adjusting screw 120 .
- the opened portion of the hinge housing 70 contains the portion having the axial coupling hole 56 of the turn member body 51 .
- the hinge axis 60 passes through the turn member 50 via the axial coupling hole 56 of the turn member body 51 from the axial hole 74 of the hinge housing and then is coupled to the axial coupling hole 56 of the other side via the other axial hole 74 of the hinge housing 70 .
- a washer is inserted between those bodies through which the hinge axis passes in consideration of friction and axial directional movement.
- the thusly assembled hinge axis 60 serves as a turn axis of a door.
- the turn member 50 becomes rotatable within a predetermined angle. Once the turn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of the turn member body 51 and hinge housing 70 are contacted with one another.
- the roller-shaped press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of the turn member 50 , that is, at the front end spaced at a predetermined distance from the axial coupling hole 56 assembled with the hinge axis 60 .
- the width between the lateral sides of the turn member 50 to which the press member 65 is coupled must be smaller than the width of the compartment 70 a formed between the lateral sides of the hinge housing 70 .
- the compartment 70 a of the hinge housing 70 is provided with a pair of spring members 80 having a springback force, a hexagonal support member 90 having a spring insertion hole 92 for insert-coupling one end of the spring member 80 while containing it and having a sloping contact surface curved at multiple angles, a support plate 86 for backing up the other free end of the spring member 80 and a control plate 84 for controlling the force of the spring member 80 .
- the sloping contact surface of the support member 90 becomes higher as it goes toward a second contact surface 90 b at the back from a first contact surface 90 a of the front when viewed from the front side, thereby forming a sloping shape, and it is contacted with the roller-shaped press member 65 connected to the front end of the turn member 50 .
- the press member 65 is slidably moved along the sloping contact surface of the support member 90 while maintaining a rolling contact and applies a force to the support member 90 supported by the spring member 80 due to the shape of the sloping contact surface.
- the press member 65 and the support member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed.
- the springback force of the spring member 80 can be controlled by the control plate 84 by clamping or unclamping the adjusting screw.
- the control plate 84 When clamping the adjusting screw 120 coupled to the adjusting screw hole formed at the support plate 86 and the lower side 72 of the hinge housing 70 , the control plate 84 is pushed upwardly to apply a force to the spring member 80 and compress it, for thereby increasing the springback force of the spring member 80 .
- the cover plate 100 serves to cover an open inner region of the hinge housing 70 and at the same time fix the hinge housing 70 to the body of the kimchi storage device, and it is provided with an engagement groove 107 for insertingly engaging a plurality of engaging ribs 75 extruded integrally along the front section of the lateral sides 71 of the hinge housing 70 and a body support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device.
- a buffer member 110 made of sponge material is inserted between the spring member 80 in the hinge housing 70 and the cover plate 100 in order to prevent a contact friction between the spring member 80 of which motion is relatively frequently changed and the inner surface of the cover plate 100 during the opening and closing of the door.
- the engaging rib 75 portion extruded to the outer surface of the cover plate 100 is pressed so that it can be contacted with the outer surface of the cover plate 100 in parallel, thereby increasing the robustness of the engagement and making the engaging rib 75 easily fixed and mounted to the flat rear surface of the body of the kimchi storage device.
- FIGS. 6 and 7 are views illustrating the state that the hinge assembly is fixed to the storage according to the first embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- the turn member 50 is fixed and mounted to the back region of the door 5 through the door support flange 52 by a screw assembly.
- the cover plate 100 covering an open surface of the hinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of the body 6 through the body support flange 102 by a screw assembly.
- the press member 65 which is contacted on the first contact surface 90 a of the sloping contact surface when the door 5 is brought to the fully open position, is gradually slided on the second contact surface 90 b as the door 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, the press member 65 presses the support member 90 downwardly and thus the spring member 80 connected with the support member 90 receives a compression force.
- the springback force of the spring member 80 is weak and thus the force supporting the door 5 is also weak, the springback force of the spring member 80 can be controlled by clamping the adjusting screw 120 .
- FIG. 8 illustrates a perspective assembly view of a hinge assembly according to a second embodiment of the present invention.
- the hinge assembly includes a turn member 50 fixed to the door side, a hinge housing 70 forming a compartment 70 a in a case shape, a roller-shaped press member 65 disposed at the turn member 50 , a hexahedral support member 90 and an elastic means with first and second spring members 81 and 82 interconnected by the medium of a connection plate 83 , said support member 90 and elastic means being placed in the compartment 70 a of the hinge housing 70 , a support plate 86 , a control plate 84 , and a cover plate 100 fixed to the body.
- the constitution of the second embodiment is identical to that of the first embodiment excepting the elastic means.
- the turn member 50 fixed to the door side has a turn member body 51 with a door support flange 52 extending from the both ends of the turn member body 51 in a direction approximately perpendicular to opposite ends of the body 51 in spaced parallel relation.
- first and second screw holes 53 for screwing fastening screw(s) are formed.
- first and second reinforcing ribs 55 are formed to increase strength.
- first and second axial coupling holes 56 for coupling the hinge axis rotatable with the hinge housing 70 are formed.
- first and second pin holes 57 for rotatably coupling the roller-shaped press member 65 are formed.
- the hinge housing 70 has a shape of an approximately cut case in which lateral sides 71 and a lower side 72 form a right angle, of which one side being open for hinge coupling with the turn member 50 and being formed with a projection that is curved and has an axial hole 74 at the edge of the lateral side 71 .
- a plurality of engagement ribs 75 for engaging with the cover plate 100 are extruded integrally at predetermined intervals.
- an adjusting screw hole is formed in order to insert an adjusting screw 120 .
- the opened portion of the hinge housing 70 contains the portion having the axial coupling hole 56 of the turn member body 51 .
- the hinge axis 60 passes through the turn member 50 via the axial coupling hole 56 of the turn member body 51 from the axial hole 74 of the hinge housing and then is coupled to the axial coupling hole 56 of the other side via the other axial hole 74 of the hinge housing 70 .
- a washer is inserted between those bodies through which the hinge axis passes in consideration of friction and axial directional movement.
- the thusly assembled hinge axis 60 serves as a turn axis of a door.
- the turn member 50 becomes rotatable within a predetermined angle. Once the turn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of the turn member body 51 and hinge housing 70 are contacted with one another.
- the roller-shaped press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of the turn member 50 , that is, at the front end spaced at a predetermined distance from the axial coupling hole 56 assembled with the hinge axis 60 .
- the width between the lateral sides of the turn member 50 to which the press member 65 is coupled must be smaller than the width of the compartment 70 a formed between the lateral sides of the hinge housing 70 .
- the compartment 70 a of the hinge housing 70 is provided with a two-stage elastic means in which first and second spring members 81 and 82 with a springback force are serially connected by the medium of a connection plate 83 , a hexagonal support member 90 having a spring insertion hole 92 for insert-coupling one end of the first spring member 81 while containing it and having a sloping contact surface curved at multiple angles, a support plate 86 for backing up the other free end of the second spring member 82 and a control plate 84 for controlling the force of the elastic means.
- the elastic means consists of one pair of first spring members 81 and the other pair of second spring members 82 . At this time, the spring constant of the first spring member 81 is different from that of the second spring member 82 .
- the spring members each are formed in a serial structure with the connection plate 83 therebetween.
- the spring constant of the first spring member 81 connected to the spring insertion hole 92 of the support member 90 is smaller than that of the second spring member 82 connected to the control plate 84 .
- the sloping contact surface of the support member 90 becomes sloped as the height of a second contact surface 90 b at the back becomes larger than that of a first contact surface 90 a of the front when viewed from the front side, and it is contacted with the roller-shaped press member 65 connected to the front end of the turn member 50 .
- the press member 65 is slidably moved along the sloping contact surface of the support member 90 while maintaining a rolling contact and applies a force to the support member 90 supported by the first spring member 81 of the elastic means due to the shape of the sloping contact surface.
- the press member 65 and the support member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed.
- the springback force of the elastic means can be controlled by the control plate 84 by clamping or unclamping the adjusting screw.
- the control plate 84 When clamping the adjusting screw 120 coupled to the adjusting screw hole formed at the support plate 86 and the lower side 72 of the hinge housing 70 , the control plate 84 is pushed upwardly to apply a force to the elastic means and compress it, for thereby increasing the springback force of the elastic means.
- the cover plate 100 serves to cover an open inner region of the hinge housing 70 and at the same time fix the hinge housing 70 to the body of the kimchi storage device, and it is provided with an engagement groove 107 for insertingly engaging a plurality of engaging ribs 75 extruded integrally along the front section of the lateral sides 71 of the hinge housing 70 and a body support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device.
- a buffer member 110 made of sponge material is inserted between the elastic means in the hinge housing 70 and the cover plate 100 in order to prevent a contact friction between the elastic means of which motion is relatively frequently changed and the inner surface of the cover plate 100 during the opening and closing of the door.
- FIGS. 9 and 10 are views illustrating the state that the hinge assembly is fixed to the storage according to the second embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- the turn member 50 is fixed and mounted to the back region of the door 5 through the door support flange 52 by a screw assembly.
- the cover plate 100 covering an open surface of the hinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of the body 6 through the body support flange 102 by a screw assembly.
- the press member 65 which is contacted on the first contact surface 90 a when the door 5 is brought to the fully open position, is gradually slided on the second contact surface 90 b as the door 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, the press member 65 presses the support member 90 downwardly and thus the elastic means connected with the support member 90 receives a compression force.
- the spring members with different spring constants are formed in two stages by connecting them in series.
- the e above-mentioned elastic means formed in two stages with a serial structure is constituted to be stable and to alleviate the impact during both door opening and closing operations.
- the springback force of the elastic means is weak and thus the force supporting the door 5 is also weak
- the springback force of the elastic means can be controlled by clamping the adjusting screw 120 .
- FIG. 11 illustrates a perspective assembly view of a hinge assembly according to the third embodiment of the present invention.
- the hinge assembly includes a turn member 50 fixed to the door side, a hinge housing 70 fonning a compartment 70 a in a case shape, a roller-shaped press member 65 disposed at the turn member 50 , a hexahedral support member 90 and an elastic means with a dual structure consisting of third and fourth spring members 87 and 88 interconnected by the medium of a connection plate 83 , said support member 90 and elastic means being placed in the compartment 70 a of the hinge housing 70 , a support plate 86 , a control plate 84 , and a cover plate 100 fixed to the body.
- the constitution of the second embodiment is identical to that of the first embodiment excepting the elastic means.
- the turn member 50 fixed to the door side has a turn member body 51 with a door support flange 52 extending from the both ends of the turn member body 51 in a direction approximately perpendicular to opposite ends of the body 51 in spaced parallel relation.
- first and second screw holes 53 for screwing fastening screw(s) are formed.
- first and second reinforcing ribs 55 are formed to increase strength.
- first and second axial coupling holes 56 for coupling the hinge axis rotatable with the hinge housing 70 are formed.
- first and second pin holes 57 for rotatably coupling the roller-shaped press member 65 are formed.
- the hinge housing 70 has a shape of an approximately cut case in which lateral sides 71 and a lower side 72 form a right angle, of which one side being open for hinge coupling with the turn member 50 and being formed with a projection that is curved and has an axial hole 74 at the edge of the lateral side 71 .
- a plurality of engagement ribs 75 for engaging with the cover plate 100 are extruded integrally at predetermined intervals.
- an adjusting screw hole is formed in order to insert an adjusting screw 120 .
- the opened portion of the hinge housing 70 contains the portion having the axial coupling hole 56 of the turn member body 51 .
- the hinge axis 60 passes through the turn member 50 via the axial coupling hole 56 of the turn member body 51 from the axial hole 74 of the hinge housing and then is coupled to the axial coupling hole 56 of the other side via the other axial hole 74 of the hinge housing 70 .
- the thusly assembled hinge axis 60 serves as a turn axis of a door.
- the turn member 50 becomes rotatable within a predetermined angle. Once the turn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of the turn member body 51 and hinge housing 70 are contacted with one another.
- roller-shaped press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of the turn member 50 , that is, at the front end spaced at a predetermined distance from the axial coupling hole 56 assembled with the hinge axis 60 .
- the width between the lateral sides of the turn member 50 to which the press member 65 is coupled must be smaller than the width of the compartment 70 a formed between the lateral sides of the hinge housing 70 .
- the compartment 70 a of the hinge housing 70 is provided with a elastic means with a dual structure consisting of third and fourth spring members 87 and 88 with a springback force are serially connected by the medium of a connection plate 83 , a hexagonal support member 90 having a spring insertion hole 92 for insert-coupling one end of the elastic means while containing it and having a sloping contact surface curved at multiple angles, a support plate 86 for backing up the other free end of the second spring member 82 and a control plate 84 for controlling the force of the elastic means.
- the elastic means consists of two pairs of spring members with different spring constants, and it is constituted in such a manner that one pair of first spring members 81 with a smaller spring constant, a smaller outer diameter than the inner diameter of a second spring member 82 and a larger length are inserted into one pair of second spring members 82 with a larger outer diameter, a larger spring constant and a smaller length.
- the sloping contact surface of the support member 90 becomes higher as it goes toward a second contact surface 90 b at the back from a first contact surface 90 a of the front when viewed from the front side, thereby forming a sloping, continuous screw shape, and it is contacted with the roller-shaped press member 65 connected to the front end of the turn member 50 .
- the press member 65 is slidably moved along the sloping contact surface of the support member 90 while maintaining a rolling contact and applies a force to the support member 90 supported by the elastic means due to the shape of the sloping contact surface.
- the press member 65 and the support member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed.
- the springback force of the elastic means can be controlled by the control plate 84 by clamping or unclamping the adjusting screw.
- the control plate 84 When clamping the adjusting screw 120 coupled to the adjusting screw hole formed at the support plate 86 and the lower side 72 of the hinge housing 70 , the control plate 84 is pushed upwardly to apply a force to the elastic means and compress it, for thereby increasing the springback force of the elastic means.
- the cover plate 100 serves to cover an open inner region of the hinge housing 70 and at the same time fix the hinge housing 70 to the body of the kimchi storage device, and it is provided with an engagement groove 107 for insertingly engaging a plurality of engaging ribs 75 extruded integrally along the front section of the lateral sides 71 of the hinge housing 70 and a body support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device.
- a buffer member 110 made of sponge material is inserted between the elastic means in the hinge housing 70 and the cover plate 100 in order to prevent a contact friction between the elastic means of which motion is relatively frequently changed and the inner surface of the cover plate 100 during the opening and closing of the door.
- FIGS. 12 and 13 are views illustrating the state that the hinge assembly is fixed to the storage according to the third embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- the turn member 50 is fixed and mounted to the back region of the door 5 through the door support flange 52 by a screw assembly.
- the cover plate 100 covering an open surface of the hinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of the body 6 through the body support flange 102 by a screw assembly.
- the press member 65 which is contacted on the first contact surface 90 a when the door 5 is brought to the fully open position, is gradually slided on the second contact surface 90 b as the door 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, the press member 65 presses the support member 90 downwardly and thus the elastic means connected with the support member 90 receives a compression force.
- the third and fourth spring members 87 and 88 with different spring constants are formed in a dual structure.
- the above-described elastic means formed in a dual structure is constituted to be stable and to alleviate the impact during both door opening and closing operations.
- the springback force of the elastic means is weak and thus the force supporting the door 5 is also weak
- the springback force of the elastic means can be controlled by clamping the adjusting screw 120 .
- the hinge assembly for hinge-coupling a door rotated in one direction and opening and closing a storage chamber to the upper surface of the body of the kimchi storage device according to the present invention, there is no need to prepare a hinge joint when forming the body or the door and the body and the door can be hinge-coupled by simply assembling and mounting the hinge assembly to the body of the kimchi storage device without adding any outer case and elements.
- the production efficiency can be improved by a process simpler than the conventional production process, and the opening and closing impact of the door can be prevented to thus enable stable opening and closing operations by preventing the lateral movement of the door and alleviating the opening and closing speed of the door by the springback force of the spring member.
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Abstract
Description
- 1. Field of the Invention
- The present invention relates to a hinge assembly for a door of a kimchi storage device, and more particularly, to a hinge assembly for a door of a kimchi storage device which prevents opening and closing impact of a door and enables stable opening and closing by alleviating an opening and closing speed of the door by a springback force of an elastic means when mounting the door at an upper surface of the body of the kimchi storage device having a storage chamber and opening and closing the same, the door being rotated in one direction and opening and closing the storage chamber.
- 2. Description of the Related Art
- As is generally known, in recent times, kimchi storage devices for exclusive use for kimchi, which can mature and preserve kimchi optimally by using the principles of a refrigerator are being commonly used.
- The kimchi storage device is constituted in such a manner that it can mature kimchi adequately according to a seasonal variation and a user's taste and then preserve the taste of the well-matured kimchi for a long time at a proper temperature.
- While a general refrigerator is constituted to open and shut a door laterally, it is common that such a kimchi storage device is provided with an upper open/shut type door having a small overall size which is hingeably fixed to the upper surface of the body and is moved longitudinally to and away from the open position.
- FIG. 1 is a perspective view of a conventional kimchi storage device; FIG. 2 is an extended perspective view of the dissembled state of a hinge joint of FIG. 1; FIG. 3 is a side view of the hinge joint in the door-shut state; and FIG. 4 is a side view of the hinge joint in the door-open state.
- As illustrated therein, two separate
kimchi storage chambers 3 are provided in thebody 6 of the kimchi storage device which forms the appearance. Twodoors 5 are hinged to the upper end of the rear surface of thebody 6 in order to open and shut these twokimchi storage chambers 3 by lifting them upwardly. - The control of all operations of the kimchi storage is performed in a
control panel 7 provided at the front surface of thebody 6. - Meanwhile, as illustrated in FIG. 2, a
body hinge portion 20 rotatably supporting thedoor 5 is prepared at the upper end of the rear surface of thebody 6. Adoor hinge portion 30 rotatably connected to thebody hinge portion 20 is prepared at the back region of thedoor 5. - The
body hinge portion 20 has ahinge bracket 21 of a predetermined length fixed to atop cover 15 and ahinge cover 25 blocking the back region of thehinge bracket 21. Thehinge bracket 21 is disposed so that its upper end portion is protruded upwardly of thetop cover 15. At both sides in the hinge axial direction of thehinge bracket 21, anaxial coupling hole 28 for coupling ahinge axis 40 is formed. Thehinge cover 25 is connected to thehinge bracket 21 in order to block the back region of thehinge bracket 21. - The
door hinge portion 30 has ahinge containing portion 33 formed as a certain containing space in the back region and partially containing the upper region of thebody hinge portion 20 and anaxis connection portion 31 prepared as a certain space at both sides of thehinge containing portion 33 for connecting thehinge axis 40. Thehinge containing portion 33 and theaxial connection portion 31 are segregated from each other by both side walls of thehinge containing portion 33. At both side walls of thehinge containing portion 33, aturn axis hole 38 for communicating thehinge containing portion 33 and theaxis connection portion 31 is formed so that it corresponds to theaxial coupling hole 28 of thehinge bracket 21. - The
hinge axis 40 is coupled to theaxial coupling hole 28 formed at thehinge bracket 21 of thebody hinge portion 20 from theaxis connection portion 31 of thedoor hinge portion 30 via theturn axis hole 38. - By such a constitution, the
door hinge portion 30 is rotatably connected to thebody hinge portion 20 prepared at the upper end of the rear surface of thebody 6, and thusly thedoor 5 is connected to thebody 6 to rotatably open and shut thestorage chambers 3. - However, in the conventional kimchi storage device, there is a problem that a bilateral movement of the
door 5 occurs since an upper region of thebody hinge portion 20 is contained in thehinge containing portion 33 of thedoor hinge portion 30 and both sides of thebody hinge portion 20 are connected to rotatably support both inner side walls of thehinge containing portion 33 of thedoor 5. - In addition, since the
hinge containing portion 33 containing thebody hinge portion 20 is formed as a certain containing space at the back region of thedoor 5, the back region of an upper wall of thehinge containing portion 33 is contacted to the rear surface of thebody hinge portion 20, that is, to the outer surface of thehinge cover 25 when thedoor 5 is opened. At this time, if the load of thedoor 5 is transferred to the contact portion to thus open thedoor 5 by force, the back region of thedoor 5 is damaged. - Furthermore, according to a hinge structure according to the conventional construction, since there is no particular structure for fixing and holding the
door 5 when opening thedoor 5, thedoor 5 is brought to a fully shut position or to a fully open position. If thedoor 5 is not held on the way, thedoor 5 is rapidly shut by the self-weight of thedoor 5 for thereby giving an impact to the entire kimchi storage device. - It is, therefore, an object of the present invention to provide a hinge assembly for a door of a kimchi storage device which eliminates the need to prepare a hinge joint when forming a body or door by manufacturing a hinge assembly and assembling it between the body and the door instead of preparing a body hinge portion and a door hinge portion and interconnecting them in the conventional art, improves the production efficiency by simplifying a process, and prevents the opening and closing impact of the door to thus enable stable opening and closing operations by preventing the lateral movement of the door and alleviating the opening and closing speed of the door by the springback force of a spring member.
- To achieve the above object, there is provided a kimchi storage device having a body formed with at least one storage chamber, an upper door rotatably disposed at the upper portion of the body through a hinge assembly and opening and closing the storage chamber and a cooling machine and heating machine for maturing and cooling kimchi in the storage chamber, the hinge assembly for a door, the hinge assembly comprising: a hinge housing fixed to one side of the body through a cover plate coupled to cover a compartment of which one side is open; a turn member fixed to the rear surface of the door and at the same time rotatably coupled to the upper end of the hinge housing by inserting a hinge axis into one end of said turn member; a roller-shaped press member rotatably disposed at the upper end of the turn member through a roller axis; a support member slidably contacted to the press member through a polygonal sloping contact surface, disposed in the compartment of the hinge housing and formed with a spring insertion hole at the other side of the sloping contact surface; an elastic means inserted into the spring insertion hole of the support member in order to press the support member with respect to the press member; and a control plate operationally coupled to an adjusting screw penetratingly disposed outwardly of the hinge housing in order to control the springback force of the spring member while supporting the lower portion of the elastic means.
- The elastic means is a pair of spring members.
- In addition, the elastic means consists of a pair of first spring members inserted into the spring insertion hole of the support member and a pair of second spring members connected to these first spring members in series by the medium of a connection plate.
- In addition, the elastic means is formed in a dual structure in which a pair of first spring members inserted into the spring insertion hole of the support member are inserted into one pair of second spring members with a length smaller than that of the first spring member.
- The above objects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:
- FIG. 1 is a perspective view of a conventional kimchi storage device;
- FIG. 2 is an expanded perspective view of the dissembled state of a hinge joint of the conventional kimchi;
- FIG. 3 is a side view of the hinge joint in the door-shut position of FIG. 2;
- FIG. 4 is a side view of the hinge joint in the door-open position of FIG. 2;
- FIG. 5 is a perspective assembly view of a hinge assembly according to a first embodiment of the present invention;
- FIGS. 6 and 7 are plane partial cutaway views of the storage employing a hinge assembly according to the first embodiment of the present invention;
- FIG. 8 is a perspective assembly view of a hinge assembly according to a second embodiment of the present invention;
- FIGS. 9 and 10 are plane partial cutaway views of the storage employing a hinge assembly according to the second embodiment of the present invention;
- FIG. 11 is a perspective assembly view of a hinge assembly according to a third embodiment of the present invention; and
- FIGS. 12 and 13 are partial cutaway plane views of the storage employing a hinge assembly according to the second embodiment of the present invention.
- Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. In addition, the following embodiments do not limit the scope of rights of the present invention, but are suggested as an example. In the following description, same drawing reference numerals as the conventional art are used for the same elements.
- FIG. 5 is a perspective assembly view of a hinge assembly according to a first embodiment of the present invention.
- As illustrated therein, the hinge assembly according to the present invention includes a
turn member 50 fixed to the door side, ahinge housing 70 forming acompartment 70 a in a case shape, a roller-shaped press member 65 disposed at theturn member 50, ahexahedral support member 90 and a pair ofspring members 80, said support member and spring members being placed in thecompartment 70 a of thehinge housing 70, asupport plate 86, acontrol plate 84, and acover plate 100 fixed to the body. - The
turn member 50 fixed to the door side has aturn member body 51 with adoor support flange 52 extending from the both ends of theturn member body 51 in a direction approximately perpendicular to opposite ends of thebody 51 in spaced parallel relation. At thedoor support flange 52, first andsecond screw holes 53 for screwing fastening screw(s) are formed. At the portion horizontally extended and connected from theturn member body 51 to thedoor support flange 52 at a right angle, first and second reinforcingribs 55 are formed to increase strength. - At lateral sides of the
turn member body 51, first and secondaxial coupling holes 56 for coupling the hinge axis rotatable with thehinge housing 70 are formed. At the front end of the lateral sides, first andsecond pin holes 57 for rotatably coupling the roller-shapedpress member 65 are formed. - The
hinge housing 70 has a shape of an approximately cut case in whichlateral sides 71 and alower side 72 form a right angle, of which one side being open for hinge coupling with theturn member 50 and being formed with a projection that is curved and has anaxial hole 74 at the edge of thelateral side 71. Along the front section of thelateral side 71, a plurality ofengagement ribs 75 for engaging with thecover plate 100 are extruded integrally at predetermined intervals. At thelower side 72 of thehinge housing 70, an adjusting screw hole is formed in order to insert an adjustingscrew 120. - The opened portion of the
hinge housing 70 contains the portion having theaxial coupling hole 56 of theturn member body 51. Thehinge axis 60 passes through theturn member 50 via theaxial coupling hole 56 of theturn member body 51 from theaxial hole 74 of the hinge housing and then is coupled to theaxial coupling hole 56 of the other side via the otheraxial hole 74 of thehinge housing 70. At this time, a washer is inserted between those bodies through which the hinge axis passes in consideration of friction and axial directional movement. - The thusly assembled
hinge axis 60 serves as a turn axis of a door. - According to the above structure, by coupling the
turn member 50 and thehinge housing 70 by thehinge axis 60, theturn member 50 becomes rotatable within a predetermined angle. Once theturn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of theturn member body 51 and hingehousing 70 are contacted with one another. - In addition, the roller-shaped
press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of theturn member 50, that is, at the front end spaced at a predetermined distance from theaxial coupling hole 56 assembled with thehinge axis 60. The width between the lateral sides of theturn member 50 to which thepress member 65 is coupled must be smaller than the width of thecompartment 70 a formed between the lateral sides of thehinge housing 70. - Moreover, the
compartment 70 a of thehinge housing 70 is provided with a pair ofspring members 80 having a springback force, ahexagonal support member 90 having aspring insertion hole 92 for insert-coupling one end of thespring member 80 while containing it and having a sloping contact surface curved at multiple angles, asupport plate 86 for backing up the other free end of thespring member 80 and acontrol plate 84 for controlling the force of thespring member 80. - The sloping contact surface of the
support member 90 becomes higher as it goes toward asecond contact surface 90 b at the back from afirst contact surface 90 a of the front when viewed from the front side, thereby forming a sloping shape, and it is contacted with the roller-shapedpress member 65 connected to the front end of theturn member 50. At the rotation of theturn member 50, thepress member 65 is slidably moved along the sloping contact surface of thesupport member 90 while maintaining a rolling contact and applies a force to thesupport member 90 supported by thespring member 80 due to the shape of the sloping contact surface. - At this time, it is preferable that the
press member 65 and thesupport member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed. - The springback force of the
spring member 80 can be controlled by thecontrol plate 84 by clamping or unclamping the adjusting screw. When clamping the adjustingscrew 120 coupled to the adjusting screw hole formed at thesupport plate 86 and thelower side 72 of thehinge housing 70, thecontrol plate 84 is pushed upwardly to apply a force to thespring member 80 and compress it, for thereby increasing the springback force of thespring member 80. - The surfaces of the
hinge housing 70 containing thespring member 80, thesupport member 90 and the like in thecompartment 70 a is covered by thecover plate 100. - At this time, the
cover plate 100 serves to cover an open inner region of thehinge housing 70 and at the same time fix thehinge housing 70 to the body of the kimchi storage device, and it is provided with anengagement groove 107 for insertingly engaging a plurality of engagingribs 75 extruded integrally along the front section of thelateral sides 71 of thehinge housing 70 and abody support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device. - At this time, it is preferred that a
buffer member 110 made of sponge material is inserted between thespring member 80 in thehinge housing 70 and thecover plate 100 in order to prevent a contact friction between thespring member 80 of which motion is relatively frequently changed and the inner surface of thecover plate 100 during the opening and closing of the door. - Furthermore, after the
engagement groove 107 of thecover plate 100 is insertingly engaged to the engagingrib 75 of thehinge housing 70, the engagingrib 75 portion extruded to the outer surface of thecover plate 100 is pressed so that it can be contacted with the outer surface of thecover plate 100 in parallel, thereby increasing the robustness of the engagement and making the engagingrib 75 easily fixed and mounted to the flat rear surface of the body of the kimchi storage device. - FIGS. 6 and 7 are views illustrating the state that the hinge assembly is fixed to the storage according to the first embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- The
turn member 50 is fixed and mounted to the back region of thedoor 5 through thedoor support flange 52 by a screw assembly. Thecover plate 100 covering an open surface of thehinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of thebody 6 through thebody support flange 102 by a screw assembly. - In this way, in the state that the
turn member 50 and hingehousing 70 of the hinge assembly are assembled, theturn member 50 fixed to thedoor 5 side is moved backwardly toward the fully open position when opening thedoor 5. When thedoor 5 is fully open, theturn member 50 is moved backwardly at an angle of up to 90 degrees with respect to the upper end of thebody 6, and then is rotated no more by the contact between the outer surface of theturn member body 51 and the outer surface of thehinge housing 70. - Furthermore, as illustrated in FIG. 7, in the case of closing the
door 5, theturn member 50 is moved forwardly toward the fully closed position and then thepress member 65 is slidably moved in thecompartment 70 a of thehinge housing 70 while maintaining a rolling contact with the sloping contact surface of thesupport member 90. - At this time, the
press member 65, which is contacted on thefirst contact surface 90 a of the sloping contact surface when thedoor 5 is brought to the fully open position, is gradually slided on thesecond contact surface 90 b as thedoor 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, thepress member 65 presses thesupport member 90 downwardly and thus thespring member 80 connected with thesupport member 90 receives a compression force. - As the
door 5 comes to the closed position closer, the compression force applied to thespring member 80 through thesupport member 90 becomes larger and accordingly the springback force of thespring member 80 also becomes larger. - In addition, since the sloping contact surface of the
support member 90 is curved at multiple angles, it is prevented that thepress member 65 returns to thefirst contact surface 90 a from thesecond contact surface 90 b without an external force even if the external force was removed during the closing operation of thedoor 5. - Therefore, it is possible to maintain a gas tight and thus prevent the leakage of cold air, when the
door 5 is in the fully open position. If the movement of thedoor 5 is stopped during opening and closing operations, stable opening and closing operations of thedoor 5 are achieved by the springback force of thespring member 80. - Moreover, as the
door 5 is closed, the resistance by the springback force of thespring member 80 is increased for thereby decreasing the closing speed of thedoor 5. Hence, by the time thedoor 5 is contacted to thebody 6, the closing speed of thedoor 5 is drastically reduced to thus alleviate an impact. - In the case that the springback force of the
spring member 80 is weak and thus the force supporting thedoor 5 is also weak, the springback force of thespring member 80 can be controlled by clamping the adjustingscrew 120. - Next, FIG. 8 illustrates a perspective assembly view of a hinge assembly according to a second embodiment of the present invention.
- As illustrated therein, the hinge assembly according to the present invention includes a
turn member 50 fixed to the door side, ahinge housing 70 forming acompartment 70 a in a case shape, a roller-shapedpress member 65 disposed at theturn member 50, ahexahedral support member 90 and an elastic means with first andsecond spring members connection plate 83, saidsupport member 90 and elastic means being placed in thecompartment 70 a of thehinge housing 70, asupport plate 86, acontrol plate 84, and acover plate 100 fixed to the body. - That is to say, the constitution of the second embodiment is identical to that of the first embodiment excepting the elastic means.
- The
turn member 50 fixed to the door side has aturn member body 51 with adoor support flange 52 extending from the both ends of theturn member body 51 in a direction approximately perpendicular to opposite ends of thebody 51 in spaced parallel relation. At thedoor support flange 52, first and second screw holes 53 for screwing fastening screw(s) are formed. At the portion horizontally extended and connected from theturn member body 51 to thedoor support flange 52 at a right angle, first and second reinforcingribs 55 are formed to increase strength. - At lateral sides of the
turn member body 51, first and second axial coupling holes 56 for coupling the hinge axis rotatable with thehinge housing 70 are formed. At the front end of the lateral sides, first and second pin holes 57 for rotatably coupling the roller-shapedpress member 65 are formed. - The
hinge housing 70 has a shape of an approximately cut case in which lateral sides 71 and alower side 72 form a right angle, of which one side being open for hinge coupling with theturn member 50 and being formed with a projection that is curved and has anaxial hole 74 at the edge of thelateral side 71. Along the front section of thelateral side 71, a plurality ofengagement ribs 75 for engaging with thecover plate 100 are extruded integrally at predetermined intervals. At thelower side 72 of thehinge housing 70, an adjusting screw hole is formed in order to insert an adjustingscrew 120. - The opened portion of the
hinge housing 70 contains the portion having theaxial coupling hole 56 of theturn member body 51. Thehinge axis 60 passes through theturn member 50 via theaxial coupling hole 56 of theturn member body 51 from theaxial hole 74 of the hinge housing and then is coupled to theaxial coupling hole 56 of the other side via the otheraxial hole 74 of thehinge housing 70. At this time, a washer is inserted between those bodies through which the hinge axis passes in consideration of friction and axial directional movement. - The thusly assembled
hinge axis 60 serves as a turn axis of a door. - According to the above structure, by coupling the
turn member 50 and thehinge housing 70 by thehinge axis 60, theturn member 50 becomes rotatable within a predetermined angle. Once theturn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of theturn member body 51 and hingehousing 70 are contacted with one another. - In addition, the roller-shaped
press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of theturn member 50, that is, at the front end spaced at a predetermined distance from theaxial coupling hole 56 assembled with thehinge axis 60. The width between the lateral sides of theturn member 50 to which thepress member 65 is coupled must be smaller than the width of thecompartment 70 a formed between the lateral sides of thehinge housing 70. - Moreover, the
compartment 70 a of thehinge housing 70 is provided with a two-stage elastic means in which first andsecond spring members connection plate 83, ahexagonal support member 90 having aspring insertion hole 92 for insert-coupling one end of thefirst spring member 81 while containing it and having a sloping contact surface curved at multiple angles, asupport plate 86 for backing up the other free end of thesecond spring member 82 and acontrol plate 84 for controlling the force of the elastic means. - The elastic means consists of one pair of
first spring members 81 and the other pair ofsecond spring members 82. At this time, the spring constant of thefirst spring member 81 is different from that of thesecond spring member 82. The spring members each are formed in a serial structure with theconnection plate 83 therebetween. - At this time, as viewed from the
connection plate 83, the spring constant of thefirst spring member 81 connected to thespring insertion hole 92 of thesupport member 90 is smaller than that of thesecond spring member 82 connected to thecontrol plate 84. - The sloping contact surface of the
support member 90 becomes sloped as the height of asecond contact surface 90 b at the back becomes larger than that of afirst contact surface 90 a of the front when viewed from the front side, and it is contacted with the roller-shapedpress member 65 connected to the front end of theturn member 50. At the rotation of theturn member 50, thepress member 65 is slidably moved along the sloping contact surface of thesupport member 90 while maintaining a rolling contact and applies a force to thesupport member 90 supported by thefirst spring member 81 of the elastic means due to the shape of the sloping contact surface. - At this time, it is preferable that the
press member 65 and thesupport member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed. - The springback force of the elastic means can be controlled by the
control plate 84 by clamping or unclamping the adjusting screw. When clamping the adjustingscrew 120 coupled to the adjusting screw hole formed at thesupport plate 86 and thelower side 72 of thehinge housing 70, thecontrol plate 84 is pushed upwardly to apply a force to the elastic means and compress it, for thereby increasing the springback force of the elastic means. - The surfaces of the
hinge housing 70 containing the elastic means, thesupport member 90 and the like in thecompartment 70 a are covered by thecover plate 100. - At this time, the
cover plate 100 serves to cover an open inner region of thehinge housing 70 and at the same time fix thehinge housing 70 to the body of the kimchi storage device, and it is provided with anengagement groove 107 for insertingly engaging a plurality of engagingribs 75 extruded integrally along the front section of thelateral sides 71 of thehinge housing 70 and abody support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device. - At this time, it is preferred that a
buffer member 110 made of sponge material is inserted between the elastic means in thehinge housing 70 and thecover plate 100 in order to prevent a contact friction between the elastic means of which motion is relatively frequently changed and the inner surface of thecover plate 100 during the opening and closing of the door. - Furthermore, after the
engagement groove 107 of thecover plate 100 is insertingly engaged to the engagingrib 75 of thehinge housing 70, the engagingrib 75 portion extruded to the outer surface of thecover plate 100 is pressed so that it can be contacted with the outer surface of thecover plate 100 in parallel, thereby increasing the robustness of the engagement and making the engagingrib 75 easily fixed and mounted to the flat rear surface of the body of the kimchi storage device. - FIGS. 9 and 10 are views illustrating the state that the hinge assembly is fixed to the storage according to the second embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- The
turn member 50 is fixed and mounted to the back region of thedoor 5 through thedoor support flange 52 by a screw assembly. Thecover plate 100 covering an open surface of thehinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of thebody 6 through thebody support flange 102 by a screw assembly. - In this way, in the state that the
turn member 50 and hingehousing 70 of the hinge assembly are assembled, theturn member 50 fixed to thedoor 5 side is moved backwardly toward the fully open position when opening thedoor 5. When thedoor 5 is fully open, theturn member 50 is moved backwardly at an angle of up to 90 degrees with respect to the upper end of thebody 6, and then is rotated no more by the contact between the outer surface of theturn member body 51 and the outer surface of thehinge housing 70. - Furthermore, as illustrated in FIG. 10, in the case of closing the
door 5, theturn member 50 is moved forwardly toward the fully closed position and then thepress member 65 is slidably moved in thecompartment 70 a of thehinge housing 70 while maintaining a rolling contact with the sloping contact surface of thesupport member 90. - At this time, the
press member 65, which is contacted on thefirst contact surface 90 a when thedoor 5 is brought to the fully open position, is gradually slided on thesecond contact surface 90 b as thedoor 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, thepress member 65 presses thesupport member 90 downwardly and thus the elastic means connected with thesupport member 90 receives a compression force. - As the
door 5 comes to the closed position closer, the compression force applied to the elastic means through thesupport member 90 becomes larger and accordingly the springback force of the elastic means also becomes larger. - In addition, since the sloping contact surface of the
support member 90 is curved at multiple angles, it is prevented that thepress member 65 returns to thefirst contact surface 90 a from thesecond contact surface 90 b without an external force even if the external force was removed during the closing operation of thedoor 5. - Therefore, it is possible to maintain a gas tight and thus prevent the leakage of cold air, when the
door 5 is in the fully open position. If the movement of thedoor 5 is stopped during opening and closing operations, stable opening and closing operations of thedoor 5 are achieved by the springback force of the elastic means. - Moreover, as the
door 5 is closed, the resistance by the springback force of the elastic means is increased for thereby decreasing the closing speed of thedoor 5. Hence, by the time thedoor 5 is contacted to thebody 6, the closing speed of thedoor 5 is drastically reduced to thus alleviate an impact. - Therefore, the larger the spring constant of the elastic means becomes, the larger the resistance by the springback force of the elastic means becomes to thus alleviate an impact much more during the door closing operation. On the contrary, during the door opening operation, the
door 5 is opened by the force as large as the resistance for thereby increasing an opening impact. - Thus, the spring members with different spring constants are formed in two stages by connecting them in series.
- In other words, in the case of closing the
door 5, as thefirst spring member 81 with a smaller spring constant connected to thesupport member 90 is firstly compressed to receive a force. As thedoor 5 become closer and closer to the closed position, thesecond spring member 82 with a larger spring constant connected by the medium of theconnection plate 83 is compressed after thefirst spring member 81 is sufficiently compressed. - Hence, at the time the
door 5 is contacted to thebody 6, the resistance by the springback force of thesecond spring member 82 with a larger spring constant is applied to thus alleviate the closing speed of thedoor 5 much more, thereby making the door closed stably and without giving an impact. - On the other hand, in the case of opening the
door 5, the resistance of thesecond spring member 82 with a larger spring constant is applied to thus open the door by a larger force. However, as the opening operation proceeds and the latter half of the operation comes, the resistance of thefirst spring member 81 with a smaller spring constant is applied to thus alleviate the opening speed during the fully opening operation of thedoor 5. - The e above-mentioned elastic means formed in two stages with a serial structure is constituted to be stable and to alleviate the impact during both door opening and closing operations.
- In the case that the springback force of the elastic means is weak and thus the force supporting the
door 5 is also weak, the springback force of the elastic means can be controlled by clamping the adjustingscrew 120. - Hereinafter, a third embodiment of the present invention will now be described in detail with reference to the accompanying drawings.
- FIG. 11 illustrates a perspective assembly view of a hinge assembly according to the third embodiment of the present invention.
- As illustrated therein, the hinge assembly according to the present invention includes a
turn member 50 fixed to the door side, ahinge housing 70 fonning acompartment 70 a in a case shape, a roller-shapedpress member 65 disposed at theturn member 50, ahexahedral support member 90 and an elastic means with a dual structure consisting of third andfourth spring members connection plate 83, saidsupport member 90 and elastic means being placed in thecompartment 70 a of thehinge housing 70, asupport plate 86, acontrol plate 84, and acover plate 100 fixed to the body. - That is to say, the constitution of the second embodiment is identical to that of the first embodiment excepting the elastic means.
- The
turn member 50 fixed to the door side has aturn member body 51 with adoor support flange 52 extending from the both ends of theturn member body 51 in a direction approximately perpendicular to opposite ends of thebody 51 in spaced parallel relation. At thedoor support flange 52, first and second screw holes 53 for screwing fastening screw(s) are formed. At the portion horizontally extended and connected from theturn member body 51 to thedoor support flange 52 at a right angle, first and second reinforcingribs 55 are formed to increase strength. - At lateral sides of the
turn member body 51, first and second axial coupling holes 56 for coupling the hinge axis rotatable with thehinge housing 70 are formed. At the front end of the lateral sides, first and second pin holes 57 for rotatably coupling the roller-shapedpress member 65 are formed. - The
hinge housing 70 has a shape of an approximately cut case in which lateral sides 71 and alower side 72 form a right angle, of which one side being open for hinge coupling with theturn member 50 and being formed with a projection that is curved and has anaxial hole 74 at the edge of thelateral side 71. Along the front section of thelateral side 71, a plurality ofengagement ribs 75 for engaging with thecover plate 100 are extruded integrally at predetermined intervals. - At the
lower side 72 of thehinge housing 70, an adjusting screw hole is formed in order to insert an adjustingscrew 120. - The opened portion of the
hinge housing 70 contains the portion having theaxial coupling hole 56 of theturn member body 51. Thehinge axis 60 passes through theturn member 50 via theaxial coupling hole 56 of theturn member body 51 from theaxial hole 74 of the hinge housing and then is coupled to theaxial coupling hole 56 of the other side via the otheraxial hole 74 of thehinge housing 70. - At this time, a washer is inserted between those bodies through which the hinge axis passes in consideration of friction and axial directional movement.
- The thusly assembled
hinge axis 60 serves as a turn axis of a door. - According to the above structure, by coupling the
turn member 50 and thehinge housing 70 by thehinge axis 60, theturn member 50 becomes rotatable within a predetermined angle. Once theturn member 50 is moved toward the open position at an angle of up to 90 degrees and is rotated, it is rotated no more as outer surfaces of theturn member body 51 and hingehousing 70 are contacted with one another. - In addition, the roller-shaped
press member 65 is rotatably coupled by an engaging pin between the pin holes 57 formed at the front end of the lateral sides of theturn member 50, that is, at the front end spaced at a predetermined distance from theaxial coupling hole 56 assembled with thehinge axis 60. - The width between the lateral sides of the
turn member 50 to which thepress member 65 is coupled must be smaller than the width of thecompartment 70 a formed between the lateral sides of thehinge housing 70. - Moreover, the
compartment 70 a of thehinge housing 70 is provided with a elastic means with a dual structure consisting of third andfourth spring members connection plate 83, ahexagonal support member 90 having aspring insertion hole 92 for insert-coupling one end of the elastic means while containing it and having a sloping contact surface curved at multiple angles, asupport plate 86 for backing up the other free end of thesecond spring member 82 and acontrol plate 84 for controlling the force of the elastic means. - The elastic means consists of two pairs of spring members with different spring constants, and it is constituted in such a manner that one pair of
first spring members 81 with a smaller spring constant, a smaller outer diameter than the inner diameter of asecond spring member 82 and a larger length are inserted into one pair ofsecond spring members 82 with a larger outer diameter, a larger spring constant and a smaller length. - The sloping contact surface of the
support member 90 becomes higher as it goes toward asecond contact surface 90 b at the back from afirst contact surface 90 a of the front when viewed from the front side, thereby forming a sloping, continuous screw shape, and it is contacted with the roller-shapedpress member 65 connected to the front end of theturn member 50. At the rotation of theturn member 50, thepress member 65 is slidably moved along the sloping contact surface of thesupport member 90 while maintaining a rolling contact and applies a force to thesupport member 90 supported by the elastic means due to the shape of the sloping contact surface. - At this time, it is preferable that the
press member 65 and thesupport member 90 are manufactured by using resin material with excellent durability so that a frictional force can be minimized and a sliding motion can be easily performed. - The springback force of the elastic means can be controlled by the
control plate 84 by clamping or unclamping the adjusting screw. When clamping the adjustingscrew 120 coupled to the adjusting screw hole formed at thesupport plate 86 and thelower side 72 of thehinge housing 70, thecontrol plate 84 is pushed upwardly to apply a force to the elastic means and compress it, for thereby increasing the springback force of the elastic means. - The surfaces of the
hinge housing 70 containing the elastic means, thesupport member 90 and the like in thecompartment 70 a are covered by thecover plate 100. - At this time, the
cover plate 100 serves to cover an open inner region of thehinge housing 70 and at the same time fix thehinge housing 70 to the body of the kimchi storage device, and it is provided with anengagement groove 107 for insertingly engaging a plurality of engagingribs 75 extruded integrally along the front section of thelateral sides 71 of thehinge housing 70 and abody support flange 102 having a plurality of screw holes 105 for a screw assembly with the body of the kimchi storage device. - At this time, it is preferred that a
buffer member 110 made of sponge material is inserted between the elastic means in thehinge housing 70 and thecover plate 100 in order to prevent a contact friction between the elastic means of which motion is relatively frequently changed and the inner surface of thecover plate 100 during the opening and closing of the door. - Furthermore, after the
engagement groove 107 of thecover plate 100 is insertingly engaged to the engagingrib 75 of thehinge housing 70, the engagingrib 75 portion extruded to the outer surface of thecover plate 100 is pressed so that it can be contacted with the outer surface of thecover plate 100 in parallel, thereby increasing the robustness of the engagement and making the engagingrib 75 easily fixed and mounted to the flat rear surface of the body of the kimchi storage device. - FIGS. 12 and 13 are views illustrating the state that the hinge assembly is fixed to the storage according to the third embodiment of the present invention. Referring to this, the assembling state and operational effect of the present invention will now be described.
- The
turn member 50 is fixed and mounted to the back region of thedoor 5 through thedoor support flange 52 by a screw assembly. Thecover plate 100 covering an open surface of thehinge housing 70 by engagement is fixed and mounted to the upper end of the rear surface of thebody 6 through thebody support flange 102 by a screw assembly. - In this way, in the state that the
turn member 50 and hingehousing 70 of the hinge assembly are assembled, theturn member 50 fixed to thedoor 5 side is moved backwardly toward the fully open position when opening thedoor 5. When thedoor 5 is fully open, theturn member 50 is moved backwardly at an angle of up to 90 degrees with respect to the upper end of thebody 6, and then is rotated no more by the contact between the outer surface of theturn member body 51 and the outer surface of thehinge housing 70. - Furthermore, as illustrated in FIG. 13, in the case of closing the
door 5, theturn member 50 is moved forwardly toward the fully closed position and then thepress member 65 is slidably moved in thecompartment 70 a of thehinge housing 70 while maintaining a rolling contact with the sloping contact surface of thesupport member 90. - At this time, the
press member 65, which is contacted on thefirst contact surface 90 a when thedoor 5 is brought to the fully open position, is gradually slided on thesecond contact surface 90 b as thedoor 5 is closed. Due to the sloping shape of the sloping contact surface, resultantly, thepress member 65 presses thesupport member 90 downwardly and thus the elastic means connected with thesupport member 90 receives a compression force. - As the
door 5 comes to the closed position closer, the compression force applied to the elastic means through thesupport member 90 becomes larger and accordingly the springback force of the elastic means also becomes larger. - In addition, since the sloping contact surface of the
support member 90 is curved at multiple angles, it is prevented that thepress member 65 returns to thefirst contact surface 90 a from thesecond contact surface 90 b without an external force even if the external force was removed during the closing operation of thedoor 5. - Therefore, it is possible to maintain a gas tight and thus prevent the leakage of cold air, when the
door 5 is in the fully open position. If the movement of thedoor 5 is stopped during opening and closing operations, stable opening and closing operations of thedoor 5 are achieved by the springback force of the elastic means. - Moreover, as the
door 5 is closed, the resistance by the springback force of the elastic means is increased for thereby decreasing the closing speed of thedoor 5. Hence, by the time thedoor 5 is contacted to thebody 6, the closing speed of thedoor 5 is drastically reduced to thus alleviate an impact. - Therefore, the larger the spring constant of the elastic means becomes, the larger the resistance by the springback force of the elastic means becomes to thus alleviate an impact much more during the door closing operation. On the contrary, during the door opening operation, the
door 5 is opened by the force as large as the resistance for thereby increasing an opening impact. - Thus, the third and
fourth spring members - In other words, in the case of closing the
door 5, as thethird spring member 87 with a smaller spring constant and a large strength that is extruded to be connected to thesupport member 90 is firstly compressed to receive a force. As thedoor 5 become closer and closer to the closed position, thesupport member 90 is contacted to thefourth spring member 88 with a larger spring constant to thus be compressed after thethird spring member 87 is sufficiently compressed. - Hence, at the time the
door 5 is contacted to thebody 6, the resistance by the springback force of thefourth spring member 88 with a larger spring constant is applied to thus alleviate the closing speed of thedoor 5 much more, thereby making the door closed stably and without giving an impact. - On the other hand, in the case of opening the
door 5, the resistance of thefourth spring member 88 with a larger spring constant is applied to thus open the door by a larger force. However, as the opening operation proceeds and the latter half of the operation comes, the resistance of thethird spring member 87 with a smaller spring constant is applied to thus alleviate the opening speed during the fully opening operation of thedoor 5. - The above-described elastic means formed in a dual structure is constituted to be stable and to alleviate the impact during both door opening and closing operations.
- In the case that the springback force of the elastic means is weak and thus the force supporting the
door 5 is also weak, the springback force of the elastic means can be controlled by clamping the adjustingscrew 120. - As describe above, according to the hinge assembly for hinge-coupling a door rotated in one direction and opening and closing a storage chamber to the upper surface of the body of the kimchi storage device according to the present invention, there is no need to prepare a hinge joint when forming the body or the door and the body and the door can be hinge-coupled by simply assembling and mounting the hinge assembly to the body of the kimchi storage device without adding any outer case and elements. Thus, the production efficiency can be improved by a process simpler than the conventional production process, and the opening and closing impact of the door can be prevented to thus enable stable opening and closing operations by preventing the lateral movement of the door and alleviating the opening and closing speed of the door by the springback force of the spring member.
Claims (11)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2001-6478 | 2001-02-09 | ||
KR01-6477 | 2001-02-09 | ||
KR10-2001-0006478A KR100374858B1 (en) | 2001-02-09 | 2001-02-09 | hinge assembly of kim-chi storage |
KR01-6479 | 2001-02-09 | ||
KR2001-6477 | 2001-02-09 | ||
KR10-2001-0006479A KR100374859B1 (en) | 2001-02-09 | 2001-02-09 | hinge assembly of kim-chi storage |
KR01-6478 | 2001-02-09 | ||
KR10-2001-0006477A KR100388742B1 (en) | 2001-02-09 | 2001-02-09 | hinge assembly of kim-chi storage |
KR2001-6479 | 2001-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020124738A1 true US20020124738A1 (en) | 2002-09-12 |
US6453804B1 US6453804B1 (en) | 2002-09-24 |
Family
ID=27350401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/072,311 Expired - Lifetime US6453804B1 (en) | 2001-02-09 | 2002-02-08 | Hinge assembly for a door of kimchi storage device |
Country Status (3)
Country | Link |
---|---|
US (1) | US6453804B1 (en) |
JP (1) | JP2002318064A (en) |
CN (1) | CN1227440C (en) |
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US20210346236A1 (en) * | 2020-05-06 | 2021-11-11 | Xiamen Emoka Health Science & Technology Co., Ltd. | Steam foot massage machine |
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- 2002-02-09 CN CNB02103091XA patent/CN1227440C/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP2002318064A (en) | 2002-10-31 |
CN1369608A (en) | 2002-09-18 |
US6453804B1 (en) | 2002-09-24 |
CN1227440C (en) | 2005-11-16 |
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