CN110984743B - Refrigerator door closer and refrigerator - Google Patents

Refrigerator door closer and refrigerator Download PDF

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Publication number
CN110984743B
CN110984743B CN201911301721.5A CN201911301721A CN110984743B CN 110984743 B CN110984743 B CN 110984743B CN 201911301721 A CN201911301721 A CN 201911301721A CN 110984743 B CN110984743 B CN 110984743B
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CN
China
Prior art keywords
refrigerator door
door body
refrigerator
limiting
lock
Prior art date
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Application number
CN201911301721.5A
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Chinese (zh)
Other versions
CN110984743A (en
Inventor
刘治国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Snowky Electric Co Ltd
Original Assignee
Hefei Snowky Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Snowky Electric Co Ltd filed Critical Hefei Snowky Electric Co Ltd
Priority to CN201911301721.5A priority Critical patent/CN110984743B/en
Publication of CN110984743A publication Critical patent/CN110984743A/en
Application granted granted Critical
Publication of CN110984743B publication Critical patent/CN110984743B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
    • 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
    • E05D11/1014—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in only one position, e.g. closed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Protection
    • E05Y2800/412—Protection against friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • 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

Abstract

The invention provides a refrigerator door closer and a refrigerator, wherein the refrigerator door closer comprises a hinge base connected between a refrigerator door body and the bottom surface of the refrigerator door body, the hinge base comprises a refrigerator door body pivoting region supporting part, a pin shaft for pivoting with the refrigerator door body is arranged on the refrigerator door body pivoting region supporting part, a limiting door closing sheet is arranged between the refrigerator door body pivoting region supporting part and the refrigerator door body at intervals, the limiting door closing sheet is provided with a guiding and limiting part, the guiding and limiting part comprises a convex surface and a concave surface which is adjacent to the convex surface and is in cambered surface connection, the bottom surface of the refrigerator door body is provided with a lock opposite to the guiding and limiting part, the lock comprises a lock tongue which can slide along the guiding and limiting part and can be limited at the convex surface, and the central line of the lock tongue along the length direction is always positioned on the same straight line with the circle center of the pin shaft in the rotating process of the refrigerator door body. The invention effectively reduces the friction resistance between the lock tongue and the guiding and limiting part in the limiting door closing sheet and improves the use comfort.

Description

Refrigerator door closer and refrigerator
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator door closer and a refrigerator.
Background
Publication number CN109972948A, entitled "refrigerator door closer and refrigerator", discloses a refrigerator door closer, as shown in fig. 1, comprising a hinge base 4 connected between a refrigerator door 1 and a bottom surface of a refrigerator box 3, the hinge base 4 sequentially comprising a refrigerator door pivoting region supporting portion 41, a base connecting portion 42 and a refrigerator box fixing mounting portion 43 along a length direction, one end of the refrigerator door pivoting region supporting portion 41 along a width direction is provided with a pin shaft 411 for pivoting with the refrigerator door 1, the other end is provided with a guiding and limiting portion 412 in a protruding state, referring to fig. 2, the guiding and limiting portion 412 comprises a limiting point 413 located at a highest protruding position in the middle, the bottom surface of the refrigerator door 1 is further provided with a lock 5 opposite to the guiding and limiting portion 422, the lock 5 comprises a lock tongue 51 capable of sliding along the guiding and limiting portion 412, and the guiding and limiting portion 412 between the limiting point 413 and the base connecting portion 42 can limit continued extension of the lock tongue 51.
The lock is used for replacing an elastic piece, and the processes of closing and opening the door are completed at the guide limiting part (namely the clamping jaw of the common door closing structure), so that the door of the refrigerator can be stably closed and opened, and the refrigerator has the advantages of long service life of a member, convenience in processing and low manufacturing cost; because this door closer can not drive the whole reduction of raising of refrigerator door body when the activity to the door strip of paper used for sealing of refrigerator door body and refrigerator box articulated side does not constitute the influence, guaranteed the result of use and the life-span of door strip of sealing, and the compactness of refrigerator when closing, effectively prevented the refrigerator air conditioning that leads to because of the door strip damage to leak.
But the defects are mainly that: the frictional resistance between the lock tongue and the guiding limiting part is larger, friction sound is easy to occur in the door closing and opening processes, and a larger improvement room still exists in the aspect of use comfort.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the refrigerator door closer capable of effectively reducing the friction resistance between the lock tongue and the guide limiting part.
The invention also provides a refrigerator using the refrigerator door closer.
The first aspect of the invention provides a refrigerator door closer, comprising a hinge base connected between a refrigerator door body and the bottom surface of the refrigerator door body, wherein the hinge base comprises a refrigerator door body pivoting region supporting part, a pin shaft used for being pivoted with the refrigerator door body is arranged on the refrigerator door body pivoting region supporting part, a limiting door closing sheet is arranged between the refrigerator door body pivoting region supporting part and the refrigerator door body at intervals, one end of the limiting door closing sheet is provided with a pin shaft hole fixedly matched with the pin shaft, the other end of the limiting door closing sheet is provided with a guiding limiting part, the guiding limiting part comprises a convex surface and a concave surface adjacent to the convex surface and connected with the convex surface in an arc surface, the bottom surface of the refrigerator door body is provided with a lock opposite to the guiding limiting part, the lock comprises a lock tongue capable of sliding along the guiding limiting part and limiting at the convex surface, and the center line of the lock tongue along the length direction is always positioned on the same straight line with the center of the pin shaft in the rotation process of the refrigerator door body.
A second aspect of the present invention provides a refrigerator using the above refrigerator door closer, comprising a refrigerator door body mounted with the above refrigerator door closer and a refrigerator cabinet.
According to the invention, the limit door closing piece is additionally arranged between the hinge base and the refrigerator door body, the lock is used for replacing the elastic piece, the installation position between the lock tongue and the hinge base pin shaft is improved, the friction resistance between the lock tongue and the guide limit part in the limit door closing piece is effectively reduced, the occurrence of friction sound is avoided in the door closing and opening process of the refrigerator door body, the use comfort is improved, and the door closer not only ensures that the door body of the refrigerator can be stably closed and opened, but also has the advantages of long service life of components, convenience in processing and low manufacturing cost.
Drawings
Fig. 1 and 2 are schematic structural views of a refrigerator door closer in the background art;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of an exploded construction of the present invention;
fig. 5 is a bottom view of the present invention.
Detailed Description
Referring to fig. 3, the refrigerator door closer provided by the invention comprises a hinge base 4 connected between a refrigerator door 1 and the bottom surface of the refrigerator door (not shown), the hinge base 4 comprises a refrigerator door pivoting region supporting part 41, the outer side end of the refrigerator door pivoting region supporting part 41 along the width direction is provided with a pin shaft 411 used for being pivoted with the refrigerator door 1, in order to solve the technical problem in the background art, a limiting door closing sheet 6 is arranged between the refrigerator door pivoting region supporting part 41 and the refrigerator door 1, one end of the limiting door closing sheet 6 is provided with a pin shaft hole 61 fixedly matched with the pin shaft 411, the other end of the limiting door closing sheet 6 is provided with a guiding limiting part 62, the guiding limiting part 62 comprises a convex surface 621 and a concave surface 622 adjacent to the convex surface 621 and connected in a cambered surface, the bottom surface of the refrigerator door 1 is provided with a lock 5 opposite to the guiding limiting part 62, the lock 5 comprises a lock tongue 51 capable of sliding along the guiding limiting part 62 and limiting the position of the convex surface 621, and in combination with fig. 5, in the rotation process of the refrigerator door 1, the center line of the lock tongue 51 along the length direction is always positioned on the same straight line with the center line of the pin shaft 411.
The working principle is as follows: when the refrigerator door 1 is opened, the lock tongue 51 passes over the convex surface 621 from the limit state at the convex surface 621 under the action of manpower, and the lock tongue 51 is separated from the guide limit part 62 of the limit door closing sheet 6 along with the gradual opening of the refrigerator door 1, so that the refrigerator door 1 is opened; when the refrigerator door 1 is closed, the lock tongue 51 is pressed by the convex surface 621, and when the lock tongue exceeds the maximum interference amount of the convex surface 621, the lock tongue 51 is crossed between the convex surface 621 and the concave surface 622, so that the refrigerator door 1 is locked and closed; wherein, through limiting the mounted position of tool to lock 5, in the switching in-process of refrigerator door body 1, ensure that lock tongue 51 along the central line of length direction is located same straight line with the centre of a circle of round pin axle 411 all the time, can realize the minimizing of pivot motion friction resistance, effectually reduced the friction resistance between lock tongue 51 and the guide spacing portion 62, avoided the appearance of friction sound to have the advantage that uses lightly, comfort level is high.
In this embodiment, referring to fig. 3, the outer front wall of the pin hole 61 is disposed adjacent to the front side of the bottom wall of the refrigerator door body 1, the connection surface facing the guiding and limiting portion 62 and the front side of the bottom wall of the refrigerator door body 1 form a limiting block mounting groove 63, the front side of the bottom wall of the refrigerator door body 1 is provided with a limiting block 64 extending into the limiting block mounting groove 63, the outer side wall of the pin hole 61 is disposed adjacent to the hinged side of the bottom wall of the refrigerator door body 1, the outer side wall of the pin hole 61 is provided with a limiting boss 65, and the limiting block 64 can be limited on the limiting boss 65.
The working principle is as follows: when the refrigerator door body 1 is opened, the limiting closing plate 6 rotates along with the refrigerator door body 1, and when the limiting block 64 reaches the limiting boss 65, the limiting effect on the rotation of the refrigerator door body 1 can be achieved, the rotation of the refrigerator door body 1 is prevented from exceeding the preset angle range, and the refrigerator door is particularly suitable for embedded refrigerator door bodies which are required to be opened only by 90 degrees.
In this embodiment, referring to fig. 4, the lock 5 includes a lock tongue 51 and a lock seat 52, an elastic glue accommodating cavity 53 with an opening state is provided in the lock seat 52, an elastic glue 54 is provided in the elastic glue accommodating cavity 53, and the tail end of the lock tongue 51 is connected with the front end of the elastic glue 54. The spring bolt 51 is stretched by elastic glue (such as TPU or TPE), so that the spring bolt has the advantages of stable stretching, convenient manufacture and assembly (the elastic glue is assembled without prepressing amount, is easy to assemble, and can generate huge elastic force after being pressed in a small size).
In this embodiment, the lock base 52 is detachably mounted on the bottom surface of the refrigerator door 1 by bolts 55. The mounting position of the lock base 52 is adjustable, is not affected by the size of the refrigerator, and can be suitable for various types of refrigerators.
In this embodiment, the pin shaft 411 is fixedly disposed in the shaft sleeve 7, and the bottom of the shaft sleeve 7 is fixedly connected to the pin shaft hole 61 of the limiting door closing plate 6. The purpose is that not only can play the guard action to round pin axle 411, more importantly, utilize the assembly of axle sleeve 7 and round pin axle hole 61, when opening and shutting refrigerator door body 1, can enlarge the atress scope of hinge department rotation point, not only can effectively improve the stationarity of opening and shutting, has the advantage that the appearance is pleasing to the eye moreover.
The invention also provides a refrigerator using the refrigerator door closer, which comprises a refrigerator door body 1 provided with the refrigerator door closer and a refrigerator body.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (6)

1. The utility model provides a refrigerator door closer, includes the hinge base of connection between refrigerator door and refrigerator box bottom surface, and the hinge base includes refrigerator door pivot district supporting part, is equipped with the round pin axle that is used for with the pin joint of refrigerator door on the refrigerator door pivot district supporting part, its characterized in that: the refrigerator door body pivot district supporting part is equipped with spacing door leaf that closes with the interval between the refrigerator door body, spacing door leaf one end that closes is equipped with round pin axle matched with round pin axle hole, the other end is equipped with guides spacing portion, guide spacing portion include the convex surface and with the convex surface adjacent and become cambered surface connection's concave surface, the bottom surface of refrigerator door body is equipped with the tool to lock in opposite directions with guide spacing portion, the tool to lock is including can follow guide spacing portion and slide, and can spacing the spring bolt in convex surface department, the refrigerator door body is in the rotation process, the spring bolt is located same straight line with the centre of a circle of round pin axle all the time along length direction's central line.
2. The refrigerator door closer according to claim 1, wherein: the outer front wall of the pin shaft hole is arranged close to the front side of the bottom wall of the refrigerator door body, a limiting block mounting groove is formed towards the connecting surface of the guiding limiting part and the front side of the bottom wall of the refrigerator door body, a limiting block extending into the limiting block mounting groove is arranged on the front side of the bottom wall of the refrigerator door body, the outer side wall of the pin shaft hole is arranged close to the hinge side of the bottom wall of the refrigerator door body, a limiting boss is arranged on the outer side wall of the pin shaft hole, and the limiting block can be limited on the limiting boss.
3. The refrigerator door closer according to claim 1 or 2, wherein: the lock comprises a lock tongue and a lock seat, wherein an elastic glue accommodating cavity with one side in an opening state is formed in the lock seat, elastic glue is arranged in the elastic glue accommodating cavity, and the tail end of the lock tongue is connected with the front end of the elastic glue.
4. A refrigerator door closer according to claim 3, wherein: the lock seat is detachably arranged on the bottom surface of the refrigerator door body through bolts.
5. The refrigerator door closer according to claim 1 or 2, wherein: the pin shaft is fixedly arranged in the shaft sleeve, and the bottom of the shaft sleeve is fixedly connected to the pin shaft hole of the limiting door closing sheet.
6. A refrigerator using the refrigerator door closer of any one of claims 1 to 5, characterized in that: the refrigerator door closer comprises a refrigerator door body and a refrigerator body, wherein the refrigerator door body is provided with the refrigerator door closer.
CN201911301721.5A 2019-12-17 2019-12-17 Refrigerator door closer and refrigerator Active CN110984743B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911301721.5A CN110984743B (en) 2019-12-17 2019-12-17 Refrigerator door closer and refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911301721.5A CN110984743B (en) 2019-12-17 2019-12-17 Refrigerator door closer and refrigerator

Publications (2)

Publication Number Publication Date
CN110984743A CN110984743A (en) 2020-04-10
CN110984743B true CN110984743B (en) 2023-07-21

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Application Number Title Priority Date Filing Date
CN201911301721.5A Active CN110984743B (en) 2019-12-17 2019-12-17 Refrigerator door closer and refrigerator

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113882773B (en) * 2020-07-03 2022-08-23 青岛海尔电冰箱有限公司 Fully-embedded refrigerator capable of increasing opening degree of refrigerator body

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3294480B2 (en) * 1995-09-05 2002-06-24 シャープ株式会社 refrigerator
US6453804B1 (en) * 2001-02-09 2002-09-24 Mando Climate Control Corporation Hinge assembly for a door of kimchi storage device
DE20312620U1 (en) * 2003-08-14 2003-10-09 Bsh Bosch Siemens Hausgeraete Refrigerator with door lock
CN102116554A (en) * 2010-01-04 2011-07-06 Lg电子株式会社 Refrigerator
KR102651195B1 (en) * 2016-11-30 2024-03-27 삼성전자주식회사 Refrigerator
CN211691970U (en) * 2019-12-17 2020-10-16 合肥雪祺电气有限公司 Refrigerator door closer and refrigerator

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CB02 Change of applicant information

Address after: 230031 no.369 qingluan Road, Hefei Economic and Technological Development Zone, Anhui Province

Applicant after: Hefei Xueqi Electric Co.,Ltd.

Address before: 230031 no.369 qingluan Road, Hefei Economic and Technological Development Zone, Anhui Province

Applicant before: HEFEI SNOWKY ELECTRIC Co.,Ltd.

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