CN1699902A - Automatic door opening and closing apparatus and refrigerator having the same - Google Patents
Automatic door opening and closing apparatus and refrigerator having the same Download PDFInfo
- Publication number
- CN1699902A CN1699902A CNA2005100706078A CN200510070607A CN1699902A CN 1699902 A CN1699902 A CN 1699902A CN A2005100706078 A CNA2005100706078 A CN A2005100706078A CN 200510070607 A CN200510070607 A CN 200510070607A CN 1699902 A CN1699902 A CN 1699902A
- Authority
- CN
- China
- Prior art keywords
- door
- rotating shaft
- refrigerator
- angle
- incorporated
- 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.)
- Pending
Links
- 239000012928 buffer substance Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 235000008429 bread Nutrition 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 14
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- 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
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/02—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with pneumatic piston brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
-
- 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
- E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Refrigerator Housings (AREA)
Abstract
An automatic door opening and closing apparatus and a refrigerator having the same. The refrigerator includes a cabinet and a refrigerator door hinged to an open side of the cabinet. The opening and closing apparatus comprises a first rotating shaft to rotatably connect the refrigerator door to the cabinet, a damper unit to allow the door to be automatically opened or closed, and a second rotating shaft to rotatably connect the damper unit to the door to allow the door to be automatically opened or closed by the damper unit depending on an opening degree of the door. The damper unit includes a damping member and a link member. The link member has a first end coupled to the damping member, and a second end coupled to the second rotating shaft. The damper unit and other parts of the automatic door opening and closing apparatus show simplified and strong structures, thereby achieving effective and smooth operation of the refrigerator door with a low effort. By allowing the refrigerator door to be automatically opened or closed when the opening angle of the refrigerator is in a predetermined range, the automatic door opening and closing apparatus of the present invention can provide satisfactory use of products.
Description
Technical field
The present invention relates to a kind of door operator and utilize the refrigerator of this device, relate in particular to the softly door operator of switch refrigerator doors that refrigerator doors is opened automatically, closed automatically in deciding angle the time when deciding angle is above.
Background technology
Usually, refrigerator is divided into refrigerating chamber and refrigerating chamber, and refrigerating chamber is stored the food that some meats or ice cream etc. need be preserved below freezing temperature, and refrigerating chamber is stored the food that some vegetables or beverage etc. need not preserved at the proper temperature of freezing temperature.
This refrigerator has the front usually by open storeroom in order to put into reserve, the storeroom front is provided for the door of switch storeroom.Door is for switch rotatably, generally realizes rotation by the hinge means that is installed in its housing left side or right upper portion and bottom and supports.
This hinge means mainly connects the door operator of switch refrigerator doors gently and constitutes, and door operator is to make door soft in the interval automatic switch of decide, switch motion, and when door is not fastened, it is closed fully, in case stagnant ice case cold air flows out.
Its refrigerator cabinet can be bigger during large-capacity refrigerator, also can be bigger with hinged door, thereby door itself can be quite heavy.Exist the problem of inconvenient switch door when therefore, the user uses refrigerator owing to the weight of door.
In addition, owing to door itself is heavier, because of causing refrigerator doors not to be adjacent to fully, impact leaks the possibility of cold air when closing as if the meeting that overexerts.
For this structure is improved, utilize the refrigerator doors recloser of spring to be disclosed by the open utility model communique " 91-11734 number " of Korea S.Institute's announcement door operator has hinge means and fixed part successively, and moving-member and spring are placed in its top.This structure is when opening, and the portion that cuts of moving-member is along the lug boss side rotation of fixed part, and the compression trip spring.When the bottom surface of moving-member placed the front end of fixed part, spring was compressed fully and is opened door fully.When under this state, pushing, cut the portion side and move down and combination while moving-member rotates by the elasticity of spring it, thereby can realize self-closing doors along the lug boss side.
But above-mentioned refrigerator doors recloser is because bigger with the inclined-plane gradient that moving-member moves up at fixed part, thereby will open the bigger strength of a needs.
In addition, the elastic force door owing to spring when pushing is produced noise by scram, and this will cause refrigerator by breakage.And, because moving-member need be done and slide mobilely, can have also that its action is dumb, a problem of contact-making surface generation noise.
In addition, though distinguish to some extent, also have some structures of forming by cylinder, the helical spring that is included in cylinder internal and oil, adjuster etc. in the existing door operator with above-mentioned prior art.But this structure is if the long-time aeroseal that uses adjuster inside can be by damaged and generate air, and this air is subjected to the compression of door operator and flow in the process of oil reservoir and can produce noise.
Summary of the invention
In order to solve aforesaid problem, the object of the present invention is to provide a kind of not only can be less strength gently switch, prevent to produce noise, and eliminate the refrigerator doors recloser of the unnecessary loss of cold air by accurate switch.
To achieve these goals, door operator provided by the invention and utilize the refrigerator doors recloser of this device, comprise refrigerator cabinet, be incorporated into the door of described refrigerator cabinet peristome with hinge, be used to make described door rotatably to be incorporated into first rotating shaft of described refrigerator cabinet, the brake apparatus that is used for the described door of automatic switch, realize that according to the switch degree of described door auto-switch function rotatably connects second rotating shaft of described brake apparatus and described door for making described brake apparatus, it is characterized in that described brake apparatus is made of buffer unit and link member, described link member one end is incorporated into described buffer unit, and its other end is connected in described second rotating shaft.
Brake apparatus also has the shell of stating brake apparatus at least from three bread residences in order to protect described brake apparatus from external force.
Link member is in order to be opened for described door the angle greater than the right angle, and rising the one end by warpage is at the corresponding length of distance between described first rotating shaft and described second rotating shaft.
The one side of shell is incorporated into first holding components, and a side of described first holding components has described first rotating shaft.
First holding components is made of the plate-shaped member of warpage, its simultaneously be incorporated into described shell above, another side is incorporated into the side of described shell, and is sagging by the gravity of described door to prevent described first holding components.
Door operator also comprises second holding components, and a side of described second holding components forms described second rotating shaft and rotatably is incorporated into an end of described link member, and opposite side forms combined hole and rotatably is incorporated into described first rotating shaft.
First holding components is provided with the lug boss that is used to regulate the open angle of described door and blocks described second holding components, one side near described first rotating shaft, wherein formed first lug boss is used for the institute that described door is opened for greater than the right angle is decided angle, and is used for the angle that is opened for about right angle with described with second lug boss that it can select to be provided with.
Form the block that combines corresponding to described first lug boss or described second lug boss near the described combined hole of second holding components, to be used to regulate the open angle of described door.
The shell bottom surface is provided with the 3rd holding components that forms connecting hole, and this connecting hole is used for the adjusting parts in conjunction with the placement height of regulating described refrigerator cabinet.
Buffer unit comprises the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
For reaching described purpose, according to door operator provided by the invention and utilize the refrigerator of this device, comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the buffer unit that is used for the described door of automatic switch, it is characterized in that described refrigerator comprises: second rotating shaft that is used for rotatably connecting described buffer unit and described door; The brake apparatus that comprises link member, this link member one end is incorporated into described buffer unit, and the other end is connected in described second rotating shaft; Holding components, the one side forms described second rotating shaft that rotatably is incorporated into described link member one end, and opposite side forms the combined hole that rotatably is incorporated into described first rotating shaft.
Link member is in order to be opened for described door the angle greater than the right angle, and rising the one end by warpage is at the corresponding length of distance between described first rotating shaft and described second rotating shaft.
Brake apparatus also comprises the shell of stating brake apparatus at least from three bread residences in order to protect described brake apparatus from external force, and the one side of described shell is in conjunction with hinge, and described hinge one side forms described first rotating shaft.
Hinge is made of the plate-shaped member of warpage, its simultaneously be incorporated into described shell above, another side is incorporated into the side of described shell, and is sagging because of the gravity of described door to be used to prevent described hinge.
Hinge forms two holes and also has the lug boss that can combine with this hole, and described lug boss has optionally and to combine with in described two holes any one and can make door be opened for mutually different angle.
The shell bottom surface is by opening, and described bottom surface is provided with the shell holding components that is used to strengthen outer cover intensity, be formed on this shell holding components in conjunction with the connecting hole of regulating parts, and the placement that this adjusting parts are used for regulating described refrigerator cabinet highly.
Buffer unit comprises the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
For achieving the above object, according to door operator provided by the invention and utilize the refrigerator of this device, comprise refrigerator cabinet, be incorporated into the door of described refrigerator cabinet peristome with hinge, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that described door operator comprises second rotating shaft that rotatably connects described brake apparatus and described door, described brake apparatus comprises buffer unit with piston and the link member that is connected described piston and described second rotating shaft, and described link member decide angle for described door being opened for institute, with the one end rise by warpage between described first rotating shaft and described second rotating shaft apart from length accordingly.
Refrigerator cabinet one side is in conjunction with first holding components, described first holding components, one side forms described first rotating shaft, described refrigerator doors one side also has second holding components, and described second holding components, one side forms the end that described second rotating shaft also rotatably is incorporated into described link member, and its opposite side forms connecting hole and rotatably is incorporated into described first rotating shaft.
First holding components is provided with the lug boss that blocks described second holding components, one side that is used to regulate described door open angle near described first rotating shaft, wherein formed first lug boss is used for that described door is opened for institute and decide angle, and is used for a mutually different angle of open angle that described is opened for first lug boss with second lug boss that it can select to be provided with.
Buffer unit comprises the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
For achieving the above object, according to door operator provided by the invention and utilize the refrigerator of this device, comprise refrigerator cabinet, be incorporated into the door of described refrigerator cabinet peristome with hinge, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that described refrigerator comprises second rotating shaft that rotatably connects described brake apparatus and described door, and described brake apparatus comprises buffer unit and the link member that is connected described buffer unit and described second rotating shaft, and when described door is opened for the angle that approximates the right angle and the end that makes described second rotating shaft and described first rotating shaft and be connected in the link member of described buffer unit when being positioned on the straight line, described door stops for the moment; When described door was opened for the end institute angulation that makes described second rotating shaft and described first rotating shaft greater than the angle at right angle and be connected in the link member of described buffer unit and is the obtuse angle, door was opened the power of direction; The end institute angulation that is opened for the link member that makes described second rotating shaft and described first rotating shaft less than the angle at right angle and be connected in described buffer unit when door is for greater than 180 ° the time, and door is subjected to the power of closing direction.
Buffer unit comprises cylinder, be located at that buffer substance, ends such as the oil of described cylinder internal or air are given described buffer substance pressurization or decompression and the other end is connected in the piston of described link member, and when opening described door, described piston one end advances to described buffer substance pressurization to the described cylinder internal of described buffer unit; When described door is opened for the angle that approximates the right angle and when stopping for the moment, applies maximum pressure for described buffer substance; When described door is opened for less than the angle at right angle or is opened for angle greater than the right angle, described door is is gently opened or closed automatically by the restoring force of described buffer substance.
Link member is in order to be opened for described door the angle greater than the right angle, rise by warpage and approximate length by connecting the described second rotating shaft place from second rotating shaft to the first rotating shaft distance, and when described door was opened for maximum angle, described joggling part can be stuck in described first rotating shaft.
The brake apparatus outside is provided with the shell that has three faces at least, the one side of described shell combines with first holding components that forms first rotating shaft, described first holding components combines with second holding components that forms second rotating shaft, and described second holding components forms combined hole, and this combined hole rotatably is incorporated into described first rotating shaft.
The shell bottom surface is provided with the 3rd holding components that forms connecting hole, and this connecting hole is used for the adjusting parts in conjunction with the placement height of regulating described refrigerator cabinet.
For achieving the above object, according to door operator provided by the invention and utilize the refrigerator of this device, comprise refrigerator cabinet, be incorporated into the door of described refrigerator cabinet peristome with hinge, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that described refrigerator doors recloser comprises is fixed in described door, and rotatably be incorporated into second rotating shaft of described brake apparatus with in order to be connected the described brake apparatus that described Men Eryu door at right angles is located at described refrigerator cabinet upside and/or downside, and described brake apparatus is by buffer unit, link member and piston are formed, first end of described piston is incorporated into described buffer unit, and its second end is incorporated into described link member, one end of described link member is incorporated into described second end of described piston, and its other end is incorporated into described second rotating shaft.
Link member is in order to be opened for described door the angle greater than the right angle, play the length that is approximated distance between described first rotating shaft and described second rotating shaft by warpage by the described other end, and when described door was opened for maximum angle, described joggling part was snapped to described first rotating shaft.
Brake apparatus have the shell of stating brake apparatus at least from three bread residences, and described buffer unit is fixed in described shell side in order to protect described brake apparatus from external force, the described piston and the first rotating shaft rightabout and be provided with.
Buffer unit is the inner gas spring that comprises oil reservoir and gas blanket.
Description of drawings
The refrigerator schematic appearance that Fig. 1 provides for the foundation embodiment of the invention;
The schematic diagram that Fig. 2 provides for the foundation embodiment of the invention in conjunction with refrigerator doors and door operator;
The internal structure schematic diagram of the door operator that Fig. 3 provides for the foundation embodiment of the invention;
The buffer unit decomposing schematic representation of the door operator that Fig. 4 provides for the foundation embodiment of the invention;
Fig. 5 is the working state schematic representation of door open angle door operator during less than the right angle;
The working state schematic representation of door operator when Fig. 6 approximates the right angle for the door open angle;
Fig. 7 is the door open angle working state schematic representation of door operator during less than maximum open angle greater than the right angle approximately;
The working state schematic representation of door operator when Fig. 8 equals maximum open angle for the door open angle.
The specific embodiment
Below, the refrigerator doors recloser that provides according to the embodiment of the invention is provided in detail with reference to accompanying drawing.Fig. 1 is the refrigerator schematic appearance according to most preferred embodiment of the present invention.
Refrigerator has rectangular-shaped refrigerator cabinet 1, and its front is for putting into food by open.Connected door 2,5 by open front hinge.Respectively establish a door about the double gate type refrigerator doors, and its inside have refrigerating chamber 4 and refrigerating chamber (not shown) respectively.Each 2 and 5 inside is provided with the shelf that can put into little food or beverage bottle etc., and face is provided with the handgrip of being convenient to subscriber switch in front of the door.
The lower end, side of refrigerator cabinet 1 is provided with door operator 6 and hinge member (not shown) with door 2 and 5 parts that are connected.The main body of door operator 6 is arranged on the lower end, refrigerator cabinet side that connects refrigerator cabinet 1 and door 2 and 5, also can be arranged on left and right sides upper and lower side or left and right sides upper end.
Fig. 2 is the schematic diagram that combines according between the refrigerator doors of the embodiment of the invention and the door operator.The lower end of door 5 is provided with second holding components 30.Second holding components 30 is a plate-shaped member, and the one side prolongs up and down second rotating shaft 31, rotatably is connected in door 5 along its upside.Second holding components, 30 opposite sides form combined hole 32, and a side of this combined hole 32 is protruded and formation block 33.Second rotating shaft, 31 downsides rotatably are connected in the connection combined hole 16a of link member 16.
Therewith first holding components 20 that combines of second holding components comprise the planar portions 21 that combines with shell 11 one sides, from planar portions 21 by the side surface part 22 of warpage, be incorporated into the joint portion 23 of shell 11 side surface part.First holding components 20 also comprises first rotating shaft 24, first and second connecting hole 25 and 26 and lug boss 27.
First rotating shaft 24 protrudes with the institute take the altitude and is formed on the planar portions 21 of first holding components 20, and is preferably and is one, but the also harmless hole that forms on planar portions 21 connects again.First rotating shaft, 24 above-below directions all protrude, and top combines with combined hole 32 and door 5, and the joggling part of described link member 16 will be blocked in the bottom.
First connecting hole 25 and second connecting hole 26 also are formed on the planar portions 21 of first holding components 20 and have screw thread 27a, and this is for selectively in conjunction with lug boss 27.Lug boss 27 also forms the screw thread 27a that can combine with described each connecting hole 25 and 26.Lug boss 27 for make the door open angle be the right angle or as embodiments of the invention make its maximum open angle be 135 ° and with described connecting hole 25 and 26 in any one combines.This is that the open angle of door 5 when preventing that refrigerator one side from having wall surpasses the right angle and damages the phenomenon of door 5.
Second rotating shaft 31 protrudes downwards, and combines with the combined hole 16a that is connected of link member 16.Combined hole 32 is incorporated into first rotating shaft 24 as mentioned above.Combined hole 32 belows form block 33, and being stuck in lug boss 27, to make the open angle of door 5 be right angle or maximum open angle.
First rotating shaft 24 that first holding components 20 and second holding components 30 are formed at by protrusion on the planar portions 21 of first holding components is realized being connected with the combined hole 32 that is formed at second holding components 30, and wherein second holding components 30 can be rotated with respect to first holding components 20.
First holding components, 20 sides are in conjunction with brake apparatus 10, and the outward appearance of this brake apparatus 10 is flexed into the shell 11 of casing shape by sheet metal parts and forms.This is because brake apparatus 10 will be set at the refrigerator bottom that connects refrigerator and door 5, thereby prevents to be damaged by refrigerator gravity and external force.This shell 11 bottom surfaces are many with open state, are beneficial to exchange, maintenance and the operation of buffer unit 12 or link member 16.
11a is in conjunction with the planar portions 21 of first holding components 20 above the shell 11.On this planar portions 21, form first rotating shaft 24 combine with the combined hole 32 of second holding components 30 with can be in conjunction with first connecting hole 25 and second connecting hole 26 of lug boss 27.
First holding components 20 makes side surface part 22 be incorporated into shell 11 side 11b by joint portion 23.This first holding components 20 only combines with shell 11 by planar portions 21.But, consider that door as shown in Figure 15 is positioned at first holding components, 20 upper ends, sagging in order to prevent that first holding components 20 from being produced by the gravity of door 5, thereby the metallic plate warpage formed side surface part 22 and it is incorporated into shell side 11b.Cut mid portion according to the side surface part 22 that the embodiment of the invention provides, and its part is connected with bolt, and another part welds, but adopt which kind of associated methods unimportant.
The brake apparatus 10 and first holding components 20 make the planar portions 21 of first holding components 20 and joint portion 23 be incorporated into 11a and side 11b above the shell 11 respectively.Wherein, joint portion 23 mainly is to prevent falling structure, and 21 of planar portions and top 11a are in conjunction with also harmless.
The internal structure schematic diagram of the door operator that Fig. 3 provides for the foundation embodiment of the invention.Shell 11 internal fixation buffer units 12, make its two ends have decide angle.As long as being satisfied, the combination of buffer unit 12 1 ends carries out the reciprocating motion of piston 14 from first joint portion 13.According to the buffer unit 12 using gases springs of the embodiment of the invention, inside has gas blanket and oil reservoir can weaken compression shock and by its restoring force door 5 can softly be closed.Gas spring inside according to the embodiment of the invention does not comprise adjuster of spring or air etc., thereby does not produce noise substantially.
The top of the fixed part 23 of first holding components 20 is provided with the 3rd holding components 17 that connects 11 two sides of shell.The 3rd holding components 17 is that warpage strip metal plate is fixed in shell 11, outwards opens and strengthens intensity to prevent shell 11.The fixed part 23 of first holding components forms regulates parts connecting hole 17a, and this is to regulate the adjusting parts 18 that refrigerator bottom surface height is adjusted to level when refrigerator is set in order to be combined in.
Regulating parts 18 is a kind of bolts with flat head portion, is combined in the adjusting parts connecting hole 17a that has screw thread equally, regulates height according to rotation number.Form two according to the fixed part 23 of first holding components of the embodiment of the invention and regulate parts connecting hole 17a, this is can both use this refrigerator doors recloser for the left and right sides side door that makes the double gate type refrigerator.
The buffer unit decomposing schematic representation of the door operator that Fig. 4 provides for the foundation embodiment of the invention.Has cylinder 12a according to buffer unit provided by the invention.This cylinder 12a one end is provided with the end cap 12b of isolated inner air and oil leakage.Its other end is provided with the first seal member 12c, does back and forth movement and can not leak inner air and oil so that piston 14 connects its inside.Inner two fluid layers that form oil reservoir and gas blanket of this cylinder 12a, this is two-layer is separated to prevent mutual mixing by the second seal member 12d.
The end cap 12b and the first seal member 12c all are set as and meet cylinder 12a internal diameter just, and oil or gas are flowed out, and pistons end 14a is also identical.
The end cap 12b and the first seal member 12c are unable to stir any more at cylinder 12a two ends, but the pistons end 14a and the second sealing device 12d can be moved by two directions in cylinder 12a inside by the pressure of oil reservoir and gas blanket.According to having oil reservoir between the pistons end 14a of the embodiment of the invention and the second seal member 12d, have gas blanket between the second seal member 12d and the end cap 12b, but its order can conversion.
General gas spring mainly uses nitrogen, and also can obtain sufficient displacement according to embodiments of the invention in order not use elastomeric elements such as spring of the prior art or adjuster, so used compressed nitrogen.
Followingly illustrate according to the door operator of the embodiment of the invention and utilize the refrigerator operation and the result of use of this device with reference to accompanying drawing 5 and Fig. 6 and Fig. 7 and Fig. 8.
Fig. 5 is the working state schematic representation of door open angle door operator during less than the right angle, is the situation of expression open angle when being approximately 60 ° of left and right sides.Compare if be in Fig. 3 of closed condition with show gate 5, can find out that piston 14 injects certain distances and pressurizes for buffer unit 12 to buffer unit 12 inside.That is piston 14 did not give buffer unit 12 pressurizations when, door 5 was in closed condition.Second holding components 30 of door 5 rotates with door and make piston 14 be inserted into buffer unit 12 inside and compression buffer substance (not shown) oil and air by link member 16 but door 5 is connected in when beginning to open.
At this moment, as connecting portion second connecting portion 15, first rotating shaft 24 and 31 angulation θ of second rotating shaft of link member 16 and piston 14 greater than 180 °.And this moment, the user closes under the closing direction active force that door 5 meetings are produced by the restoring force of the buffer substance of buffer unit 12 inside automatically if stop opposite house 5 applied forces.
The working state schematic representation of door operator when Fig. 6 approximates the right angle for the door open angle.Open door and began compressed buffer unit 12 at 5 o'clock at utmost by piston 14 compressions.And second connecting portion 15, first rotating shaft 24 and 31 angulation θ of second rotating shaft equal 180 °.That is, 3 place on the straight line, and door is in halted state for the moment.This is to cancel out each other owing to the active force that acts on each parts is all identical.
The buffer unit that at utmost compressed 12 then continues to open or close because of its recovery characteristics makes door 5 if door 5 rotates when making second connecting portion 15, first rotating shaft 24 and second rotating shaft 31 out-of-line with a certain direction.At this moment, door 5 open angle can be fixed in difference in the designs such as the size of the angle of shell 11 and other parts and arrangement according to buffer unit 12 and difference, but generally big about between the right angle to 180 °.
Fig. 7 is the working state schematic representation of door operator during less than maximum open angle greater than the right angle approximately for the door open angle.That is, the door 5 through making second connecting portion 15, first rotating shaft 24 and 31 angulation θ of second rotating shaft equal 180 ° a period of time the halted state position situation.This moment, the restoring force by buffer unit 12 was moved back to Fig. 7 left side piston 14, the link member 16 that is connected in piston 14 is also with the retreating and move of piston 14, and causes the door that links to each other with link member 16 5 to be opened to maximum angle automatically by the rotation of second holding components 30.
At this moment, second connecting portion 15, first rotating shaft 24 and 31 angulation θ of second rotating shaft are if be obtuse angle between 135 ° to 180 ° according to embodiments of the invention, and door 5 active forces that are subjected to maximum open angle direction.
The working state schematic representation of door operator when Fig. 8 equals maximum open angle for the door open angle.If door 5 is opened for maximum angle, then the compression stress that is subjected to of buffer unit 12 is zero, and this situation when 5 are closed is identical.At this moment, piston 14 farthest exposes to buffer unit 12 outsides.And maximum open angle only blocks the Shi Caihui appearance mutually at the block 33 and the selectable lug boss 27 that is incorporated into second connecting hole 26 of second holding components 30.At this moment, second connecting portion 15, first rotating shaft 24 and 31 angulations of second rotating shaft are greater than the obtuse angle of right angle less than 180 °.
Owing to door 5 is to carry out switching manipulation by the compression and the recovery of buffer unit gas inside layer and oil reservoir, thereby its course of action is soft and do not have a noise.And, can on determined position, compress or recover, thereby can accurately close, to prevent owing to door is not fastened the cold air loss that produces.
According to the door operator of the embodiment of the invention and utilize the refrigerator of this device, since brake apparatus be connected the simple in structure and firm of this brake apparatus, thereby door can be by with less strength switch gently, especially can fixed angle open or close automatically with interior realization, have and make the user feel more satisfied effect.
In addition, according to the door operator of the embodiment of the invention and utilize the refrigerator buffer unit of this device to use gas spring, thereby do not produce noise, have solemnly silent effect.
In addition, can be according to the refrigerator doors recloser door of the embodiment of the invention by accurate switch, thereby prevent from not fastened the cold air loss unnecessary that produces and have the effect of raising the efficiency owing to door.
Claims (30)
1, door operator, comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used to make described door rotatably be incorporated into first rotating shaft of described refrigerator cabinet, be used for the described door of automatic switch brake apparatus, realize that according to the switch degree of described door auto-switch function rotatably connects second rotating shaft of described brake apparatus and described door, is characterized in that for making described brake apparatus
Described brake apparatus is made of buffer unit and link member, and described link member one end is incorporated into described buffer unit, and its other end is connected in described second rotating shaft.
2, device according to claim 1 is characterized in that described brake apparatus in order to protect described brake apparatus from external force, also has the shell of stating brake apparatus at least from three bread residences.
3, device according to claim 1 is characterized in that described link member for described door being opened for the angle greater than the right angle, and rising the one end by warpage is at the corresponding length of distance between described first rotating shaft and described second rotating shaft.
4, device according to claim 2 is characterized in that the one side of described shell is incorporated into first holding components, and a side of described first holding components has described first rotating shaft.
5, device according to claim 4, it is characterized in that described first holding components is made of the plate-shaped member of warpage, its simultaneously be incorporated into described shell above, another side is incorporated into the side of described shell, and is sagging by the gravity of described door to prevent described first holding components.
6, device according to claim 4, it is characterized in that described door operator also comprises second holding components, one side of described second holding components forms described second rotating shaft and rotatably is incorporated into an end of described link member, and opposite side forms combined hole and rotatably is incorporated into described first rotating shaft.
7, according to claim 4 or 6 described devices, it is characterized in that described first holding components is provided with the lug boss that blocks described second holding components, one side that is used to regulate described door open angle near described first rotating shaft, wherein formed first lug boss is used for the institute that described door is opened for greater than the right angle is decided angle, and is used for the angle that is opened for about right angle with described with second lug boss that it can select to be provided with.
8, device according to claim 7 is characterized in that forming near the described combined hole of described second holding components block that combines corresponding to described first lug boss or described second lug boss, to be used to regulate the open angle of described door.
9, device according to claim 2 is characterized in that described shell bottom surface is provided with the 3rd holding components that forms connecting hole, and this connecting hole is used for the adjusting parts in conjunction with the placement height of regulating described refrigerator cabinet.
10, device according to claim 1, it is characterized in that described buffer unit comprise the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
11, the refrigerator that has door operator, this refrigerator comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the buffer unit that is used for the described door of automatic switch, it is characterized in that described refrigerator comprises:
Be used for rotatably connecting second rotating shaft of described buffer unit and described door;
The brake apparatus that comprises link member, this link member one end is incorporated into described buffer unit, and the other end is connected in described second rotating shaft;
Holding components, the one side forms described second rotating shaft that rotatably is incorporated into described link member one end, and opposite side forms the combined hole that rotatably is incorporated into described first rotating shaft.
12, refrigerator according to claim 11 is characterized in that described link member for described door being opened for the angle greater than the right angle, and rising the one end by warpage is at the corresponding length of distance between described first rotating shaft and described second rotating shaft.
13, refrigerator according to claim 11; it is characterized in that described brake apparatus is in order to protect described brake apparatus from external force; also comprise the shell of stating brake apparatus at least from three bread residences, the one side of described shell is in conjunction with hinge, and described hinge one side forms described first rotating shaft.
14, refrigerator according to claim 13, it is characterized in that described hinge is made of the plate-shaped member of warpage, its simultaneously be incorporated into described shell above, another side is incorporated into the side of described shell, and is sagging because of the gravity of described door to be used to prevent described hinge.
15, refrigerator according to claim 13, it is characterized in that described hinge forms two holes and has the lug boss that can combine with this hole, described lug boss has optionally and to combine with in described two holes any one and can make door be opened for mutually different angle.
16, refrigerator according to claim 13, it is characterized in that described shell bottom surface is by opening, and described bottom surface is provided with the shell holding components that is used to strengthen outer cover intensity, be formed on this shell holding components in conjunction with the connecting hole of regulating parts, and these adjusting parts are used for regulating the placement height of described refrigerator cabinet.
17, refrigerator according to claim 11, it is characterized in that described buffer unit comprise the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
18, door operator, comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that
Described door operator comprises second rotating shaft that rotatably connects described brake apparatus and described door, described brake apparatus comprises buffer unit with piston and the link member that is connected described piston and described second rotating shaft, and described link member decide angle for described door being opened for institute, with the one end rise by warpage between described first rotating shaft and described second rotating shaft apart from length accordingly.
19, device according to claim 18, described refrigerator cabinet one side is in conjunction with first holding components, described first holding components, one side forms described first rotating shaft, and described refrigerator reveal also has second holding components, described second holding components, one side forms described second rotating shaft and rotatably is incorporated into an end of described link member, and its opposite side forms connecting hole and rotatably is incorporated into described first rotating shaft.
20, device according to claim 19, it is characterized in that described first holding components is provided with the lug boss that blocks described second holding components, one side that is used to regulate described door open angle near described first rotating shaft, wherein formed first lug boss is used for that described door is opened for institute and decide angle, and is used for a mutually different angle of open angle that described is opened for first lug boss with second lug boss that it can select to be provided with.
21, device according to claim 20, it is characterized in that described buffer unit comprise the cylinder that can inject oil and air, the end cap that is used to block described cylinder one end, for separating second seal member that described oil and air be located at described cylinder internal, being used to compress and the piston of described oil of release and air, being located at being used for both making and connecting first seal member that described piston can not leak described oil and air of the described cylinder other end.
22, a kind of refrigerator, comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that
Described refrigerator comprises second rotating shaft that rotatably connects described brake apparatus and described door, and described brake apparatus comprises buffer unit and the link member that is connected described buffer unit and described second rotating shaft, and, when described door is opened for the angle that approximates the right angle and the end that makes described second rotating shaft and described first rotating shaft and be connected in the link member of described buffer unit when being positioned on the straight line, described door stops for the moment; When described door was opened for the end institute angulation that makes described second rotating shaft and described first rotating shaft greater than the angle at right angle and be connected in the link member of described buffer unit and is the obtuse angle, door was opened the power of direction; The end institute angulation that is opened for the link member that makes described second rotating shaft and described first rotating shaft less than the angle at right angle and be connected in described buffer unit when door is for greater than 180 ° the time, and door is subjected to the power of closing direction.
23, refrigerator according to claim 22, it is characterized in that described buffer unit comprises cylinder, is located at buffer substances such as the oil of described cylinder internal or air, an end is given described buffer substance pressurization or decompression and the other end is connected in the piston of described link member, and, when opening described door, described piston one end advances to described buffer substance pressurization to the described cylinder internal of described buffer unit; When described door is opened for the angle that approximates the right angle and when stopping for the moment, applies maximum pressure for described buffer substance; When described door is opened for less than the angle at right angle or is opened for angle greater than the right angle, described door is is gently opened or closed automatically by the restoring force of described buffer substance.
24, refrigerator according to claim 22, it is characterized in that described link member is in order to be opened for described door the angle greater than the right angle, rise by warpage and approximate length by connecting the described second rotating shaft place from second rotating shaft to the first rotating shaft distance, and when described door was opened for maximum angle, described joggling part can be stuck in described first rotating shaft.
25, refrigerator according to claim 22, it is characterized in that described brake apparatus outside is provided with the shell that has three faces at least, the one side of described shell combines with first holding components that forms first rotating shaft, described first holding components combines with second holding components that forms second rotating shaft, and described second holding components forms combined hole, and this combined hole rotatably is incorporated into described first rotating shaft.
26, refrigerator according to claim 25 is characterized in that described shell bottom surface is provided with the 3rd holding components that forms connecting hole, and this connecting hole is used for the adjusting parts in conjunction with the placement height of regulating described refrigerator cabinet.
27, refrigerator doors recloser, comprise refrigerator cabinet, with hinge be incorporated into described refrigerator cabinet peristome door, be used for first rotating shaft that hinge rotatably connects described refrigerator cabinet and described door, the brake apparatus that is used for the described door of automatic switch, it is characterized in that
Described refrigerator doors recloser comprise be fixed in described door and rotatably be incorporated into second rotating shaft of described brake apparatus with in order to be connected the described brake apparatus that described Men Eryu door at right angles is located at described refrigerator cabinet upside and/or downside, and described brake apparatus is made up of buffer unit, link member and piston, first end of described piston is incorporated into described buffer unit, and its second end is incorporated into described link member, one end of described link member is incorporated into described second end of described piston, and its other end is incorporated into described second rotating shaft.
28, device according to claim 27, it is characterized in that described link member is in order to be opened for described door the angle greater than the right angle, play the length that is approximated distance between described first rotating shaft and described second rotating shaft by warpage by the described other end, and, when described door was opened for maximum angle, described joggling part was snapped to described first rotating shaft.
29, require 27 described devices according to profit; it is characterized in that described brake apparatus is in order to protect described brake apparatus from external force; has the shell of stating brake apparatus at least from three bread residences; and described buffer unit is fixed in described shell side, the described piston and the first rotating shaft rightabout and be provided with.
30, require 27 described devices according to profit, it is characterized in that described buffer unit is the inner gas spring that comprises oil reservoir and gas blanket.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040034899 | 2004-05-17 | ||
| KR20040034899 | 2004-05-17 | ||
| KR1020050038566 | 2005-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1699902A true CN1699902A (en) | 2005-11-23 |
Family
ID=35476072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100706078A Pending CN1699902A (en) | 2004-05-17 | 2005-05-17 | Automatic door opening and closing apparatus and refrigerator having the same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101291203B1 (en) |
| CN (1) | CN1699902A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329905A (en) * | 2014-07-30 | 2015-02-04 | 青岛海尔股份有限公司 | Refrigerator and method for controlling the refrigerator to open and close door |
| CN104613717A (en) * | 2015-03-02 | 2015-05-13 | 周午贤 | Energy-saving easy-to-open fridge |
| CN105698471A (en) * | 2014-12-10 | 2016-06-22 | 日立空调·家用电器株式会社 | Refrigerator |
| CN105910372A (en) * | 2015-02-23 | 2016-08-31 | 三星电子株式会社 | Refrigerator |
| CN107960877A (en) * | 2017-05-12 | 2018-04-27 | 宁波方太厨具有限公司 | A kind of oven of energy automatic opening and closing door |
| CN108497767A (en) * | 2018-03-27 | 2018-09-07 | 苏州科逸住宅设备股份有限公司 | A kind of cabinet door plate |
| CN110567212A (en) * | 2019-09-25 | 2019-12-13 | 广州市鹭江远科技有限公司 | energy-saving refrigerator with automatic cabinet door closing function |
| CN112154247A (en) * | 2018-05-03 | 2020-12-29 | C.M.I.铰链机械工业有限公司 | Hinge device for refrigerator and furniture |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0142056B1 (en) * | 1994-07-29 | 1998-07-01 | 배순훈 | Door hinge structure for a refrigerator |
| US5896619A (en) * | 1997-08-29 | 1999-04-27 | General Electric Company | Refrigerator door hinge and closure mechanism |
| KR100347026B1 (en) * | 1999-12-23 | 2002-08-03 | 엘지전자주식회사 | Height adjusting apparatus for refrigerator and door the same |
| KR200281220Y1 (en) * | 2002-04-24 | 2002-07-13 | 정미경 | An Absorber of the refrigerator's door |
| KR100436276B1 (en) * | 2002-09-04 | 2004-06-16 | 삼성전자주식회사 | Device for controlling rotary angle of reprigerator door |
-
2005
- 2005-05-09 KR KR1020050038566A patent/KR101291203B1/en not_active IP Right Cessation
- 2005-05-17 CN CNA2005100706078A patent/CN1699902A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329905B (en) * | 2014-07-30 | 2017-01-11 | 青岛海尔股份有限公司 | Refrigerator and method for controlling the refrigerator to open and close door |
| CN104329905A (en) * | 2014-07-30 | 2015-02-04 | 青岛海尔股份有限公司 | Refrigerator and method for controlling the refrigerator to open and close door |
| CN105698471B (en) * | 2014-12-10 | 2018-02-02 | 日立空调·家用电器株式会社 | Refrigerator |
| CN105698471A (en) * | 2014-12-10 | 2016-06-22 | 日立空调·家用电器株式会社 | Refrigerator |
| CN105910372A (en) * | 2015-02-23 | 2016-08-31 | 三星电子株式会社 | Refrigerator |
| US9903639B2 (en) | 2015-02-23 | 2018-02-27 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN105910372B (en) * | 2015-02-23 | 2018-08-28 | 三星电子株式会社 | Refrigerator |
| CN104613717B (en) * | 2015-03-02 | 2017-01-18 | 陈芊羽 | Energy-saving easy-to-open fridge |
| CN104613717A (en) * | 2015-03-02 | 2015-05-13 | 周午贤 | Energy-saving easy-to-open fridge |
| CN107960877A (en) * | 2017-05-12 | 2018-04-27 | 宁波方太厨具有限公司 | A kind of oven of energy automatic opening and closing door |
| CN107960877B (en) * | 2017-05-12 | 2024-01-16 | 宁波方太厨具有限公司 | Oven capable of automatically opening and closing door |
| CN108497767A (en) * | 2018-03-27 | 2018-09-07 | 苏州科逸住宅设备股份有限公司 | A kind of cabinet door plate |
| CN112154247A (en) * | 2018-05-03 | 2020-12-29 | C.M.I.铰链机械工业有限公司 | Hinge device for refrigerator and furniture |
| CN110567212A (en) * | 2019-09-25 | 2019-12-13 | 广州市鹭江远科技有限公司 | energy-saving refrigerator with automatic cabinet door closing function |
| CN110567212B (en) * | 2019-09-25 | 2021-10-22 | 广东斯柯电器有限公司 | Energy-saving refrigerator with automatic cabinet door closing function |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101291203B1 (en) | 2013-07-31 |
| KR20060045987A (en) | 2006-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1699902A (en) | Automatic door opening and closing apparatus and refrigerator having the same | |
| CN1316137C (en) | Multipurpose hinge apparatus having automatic return function | |
| US5816787A (en) | Motion conversion rotator apparatus and method | |
| KR20050111094A (en) | Refrigerator | |
| JP2017508122A (en) | refrigerator | |
| EP1801524A3 (en) | Refrigerator with varying width compartments and uniform width doors | |
| CN202165597U (en) | Four-connecting-rod mechanism sealing door | |
| CN207315092U (en) | A kind of damp hinge and refrigerator | |
| CN113501199B (en) | Cold chain case is used in fresh-keeping transportation of green jujube | |
| CN103405186A (en) | Slow descending and damping device and slow descending and damping method for toilet | |
| WO2009061443A1 (en) | Compression apparatus | |
| JP2006077579A (en) | Hermetic compressor | |
| CN207145179U (en) | A kind of refrigerator damped noise reduction device used for air compressor | |
| CN215567594U (en) | Stepless adjustable damping valve for high-precision built-in oil pressure shock absorber | |
| CN209454958U (en) | A kind of adjustable shipping anti-collision device | |
| TWI343468B (en) | ||
| KR200281220Y1 (en) | An Absorber of the refrigerator's door | |
| JP2004156579A (en) | Cylinder assembly of hermetic compressor | |
| CN208633182U (en) | A kind of damping hydraulic breaking hammer | |
| CN207583144U (en) | A kind of hydraulic pressure door hinge | |
| JP2017106397A (en) | Compressor | |
| CN217774213U (en) | Hammer and tamper | |
| CN208982573U (en) | A kind of New-type hydraulic shock-damper | |
| CN108505890A (en) | Low precision automatic closing door is adjusted in one kind | |
| CN102839881B (en) | A kind of Damping rotation shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |