CN110984743A - Refrigerator door closer and refrigerator - Google Patents

Refrigerator door closer and refrigerator Download PDF

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Publication number
CN110984743A
CN110984743A CN201911301721.5A CN201911301721A CN110984743A CN 110984743 A CN110984743 A CN 110984743A CN 201911301721 A CN201911301721 A CN 201911301721A CN 110984743 A CN110984743 A CN 110984743A
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CN
China
Prior art keywords
refrigerator door
refrigerator
door body
spacing
round pin
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
Application number
CN201911301721.5A
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Chinese (zh)
Other versions
CN110984743B (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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 a refrigerator box body, the hinge base comprises a refrigerator door body pivoting area supporting part, a pin shaft for being pivoted with the refrigerator door body is arranged on the refrigerator door body pivoting area supporting part, a limiting door closing sheet is arranged between the refrigerator door body pivoting area supporting part and the refrigerator door body at an interval, the limiting door closing sheet is provided with a guiding limiting part, the guiding limiting part comprises a convex surface and a concave surface which is adjacent to the convex surface and connected with the convex surface in an arc surface mode, a lockset opposite to the guiding limiting part is arranged on the bottom surface of the refrigerator door body, the lockset 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 and the circle center of the pin shaft are. The invention effectively reduces the friction resistance between the spring bolt 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
The publication No. CN109972948A, entitled "refrigerator door closer and refrigerator", discloses a refrigerator door closer, as shown in figure 1, the door closer includes a hinge base 4 connected between a refrigerator door 1 and a bottom surface of a refrigerator body 3, the hinge base 4 includes a refrigerator door pivot area supporting part 41, a base connecting part 42 and a refrigerator body fixing mounting part 43 in sequence along a length direction, one end of the refrigerator door pivot area supporting part 41 along a width direction is provided with a pin 411 for pivotally connecting with the refrigerator door 1, the other end is provided with a guide limit part 412 in a convex state, referring to figure 2, the guide limit part 412 includes a limit point 413 at the highest position of the middle protrusion, the bottom surface of the refrigerator door 1 is also provided with a lock 5 opposite to the guide limit part 422, the lock 5 includes a lock tongue 51 capable of sliding along the guide limit part 412, the guide limit part 412 between the limit point 413 and the base connecting part 42, the latch tongue 51 can be restricted from being continuously extended.
The lock replaces an elastic part, and the processes of closing and opening the door are finished at the position of a guided limit part (namely a jaw of a common door closing structure), so that the refrigerator door can be closed and opened stably, and the refrigerator door has the advantages of long service life of components, 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 do not constitute the influence to the refrigerator door body and the articulated door strip of sealing of inclining of refrigerator box, ensured the result of use and the life-span of door strip of sealing, and the refrigerator compactness when closing, effectively prevented to leak because of the refrigerator air conditioning that the door strip of sealing damages and lead to.
But the defects are mainly as follows: the frictional resistance between the lock tongue and the guide limiting part is large, friction sound is easy to occur in the door closing and opening processes, and a large 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 frictional resistance between a lock tongue and a guide limiting part.
The invention also provides a refrigerator using the refrigerator door closer.
The invention provides a refrigerator door closer, comprising a hinge base connected between a refrigerator door and the bottom surface of a refrigerator body, wherein the hinge base comprises a refrigerator door pivoting area supporting part, a pin shaft for pivoting with the refrigerator door is arranged on the refrigerator door pivoting area supporting part, a spacing door closing sheet is arranged between the refrigerator door pivoting area supporting part and the refrigerator door at an interval, one end of the spacing door closing sheet is provided with a pin shaft hole fixedly matched with the pin shaft, the other end of the spacing 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 connected with the convex surface in an arc surface manner, the bottom surface of the refrigerator door is provided with a lockset opposite to the guiding and limiting part, and the lockset can, and the spring bolt can be limited at the convex surface, and the center line of the spring bolt along the length direction and the circle center of the pin shaft are always positioned on the same straight line in the rotating process of the refrigerator door body.
The invention provides a refrigerator using the refrigerator door closer, which comprises a refrigerator door body and a refrigerator box body, wherein the refrigerator door body is provided with the refrigerator door closer.
According to the invention, the limit door closing sheet is additionally arranged between the hinge base and the refrigerator door body, the lock is used for replacing the elastic part, and the mounting position between the spring bolt and the hinge base pin shaft is improved, so that the frictional resistance between the spring bolt and the guide limit part in the limit door closing sheet is effectively reduced, the occurrence of frictional sound is avoided during the door closing and opening processes of the refrigerator door body, the use comfort is improved, and the formed door closer not only ensures that the refrigerator door body can be closed and opened stably, but also has the advantages of long component service life, 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 structural view of the present invention;
FIG. 4 is a schematic illustration of an explosive structure according to the present invention;
fig. 5 is a bottom view of the present invention.
Detailed Description
Referring to fig. 3, the present invention provides a refrigerator door closer, including a hinge base 4 connected between a refrigerator door 1 and a bottom surface of a refrigerator body (not shown), and referring to fig. 4, the hinge base 4 includes a refrigerator door pivot area supporting portion 41, a pin 411 for pivotally connecting with the refrigerator door 1 is provided at an outer side end of the refrigerator door pivot area supporting portion 41 along a width direction, in order to solve the technical problems described in the background art, a limit closing piece 6 is provided between the refrigerator door pivot area supporting portion 41 and the refrigerator door 1 at an interval, one end of the limit closing piece 6 is provided with a pin shaft hole 61 fixedly matched with the pin 411, the other end is provided with a guide limit portion 62, the guide limit portion 62 includes a convex surface 621 and a concave surface 622 adjacent to the convex surface 621 and connected in an arc surface, a lock 5 opposite to the guide limit portion 62 is provided at the bottom surface of the refrigerator door 1, the lock 5 includes a lock capable of sliding along the guide limit portion, and can be spacing spring bolt 51 at convex surface 621, combine fig. 5, refrigerator door body 1 is in the rotation process, and spring bolt 51 is located same straight line with the centre of a circle of round pin axle 411 along length direction's central line all the time.
The working principle is as follows: when the refrigerator door body 1 is opened, the bolt 51 crosses the convex surface 621 from the limit state at the convex surface 621 under the action of manpower, and along with the gradual opening of the refrigerator door body 1, the bolt 51 is separated from the guide limit part 62 of the limit closing sheet 6, so that the opening of the refrigerator door body 1 is completed; when the refrigerator door body 1 is closed, the latch tongue 51 is pressed by the convex surface 621, and when the latch tongue 51 crosses the maximum interference amount of the convex surface 621, the latch tongue 51 extends out beyond the space between the convex surface 621 and the concave surface 622, so that the refrigerator door body 1 is locked and closed; wherein, through the mounted position who injects tool to lock 5, at the switching in-process of refrigerator door 1, ensure that spring bolt 51 is located same straight line along length direction's central line and the centre of a circle of round pin axle 411 all the time, can realize the minimizing of pivot motion frictional resistance, the effectual frictional resistance that reduces between spring bolt 51 and the spacing portion 62 of guide has avoided the appearance of friction sound to have the advantage that use is light, the comfort level is high.
In this embodiment, refer to fig. 3, the outer antetheca of round pin axle hole 61 is close to the diapire front side setting of the refrigerator door body 1, and the connection face towards the spacing portion 62 of guide constitutes stopper mounting groove 63 with the diapire front side of the refrigerator door body 1, and the diapire front side of the refrigerator door body 1 is equipped with the stopper 64 that stretches into stopper mounting groove 63, and the articulated side setting of the diapire of the lateral wall close to the refrigerator door body 1 of round pin axle hole 61 is equipped with spacing boss 65 on the lateral wall of round pin axle hole 61, and stopper 64 can be spacing on spacing boss 65.
The working principle is as follows: when the refrigerator door body 1 is opened, the limiting closing piece 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 a preset angle range, and the refrigerator door body limiting device is particularly suitable for an embedded refrigerator door body which can only be opened 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 at one side is opened in the lock seat 52, an elastic glue 54 is arranged in the elastic glue accommodating cavity 53, and the tail end of the lock tongue 51 is connected to the front end of the elastic glue 54. Utilize elastic glue (for example TPU or TPE) to realize the flexible of spring bolt 51, have flexible steady, make and convenient assembling's advantage (the assembly of elastic glue does not need the pre-compaction volume, easily assembles, can produce huge elasticity after the small-size pressfitting moreover).
In this embodiment, the lock holder 52 is detachably mounted on the bottom surface of the refrigerator door 1 by a bolt 55. The mounting position of the lock holder 52 is adjustable, is not affected by the size of the refrigerator, and is applicable to various types of refrigerators.
In this embodiment, the pin 411 is fixedly disposed in the shaft sleeve 7, and the bottom of the shaft sleeve 7 is fixedly connected to the pin hole 61 of the door-closing limiting plate 6. Aim at, 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 switching refrigerator door body 1, can enlarge the atress scope of articulated department rotation point, can not only effectively improve the smoothness of switching, have the pleasing to the eye advantage of appearance 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 embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. The utility model provides a refrigerator door closer, is including connecting the hinge base 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 refrigerator door pivot looks pin joint on the refrigerator door pivot district supporting part, its characterized in that: refrigerator door pivot district supporting part is equipped with spacing door leaf of closing with the interval of the refrigerator door body, spacing door leaf one end of closing is equipped with the round pin axle hole with round pin axle looks fixed fit, the other end is equipped with the spacing portion of guide, the spacing portion of guide includes the convex surface and adjacent and become the concave surface of cambered surface connection with the convex surface, the bottom surface of the refrigerator door body is equipped with the tool to lock in opposite directions with the spacing portion of guide, the tool to lock slides including following the spacing portion of guide, and can be spacing at the spring bolt of convex surface department, the refrigerator door body is at the rotation in-process, the spring bolt is located same straight line with the centre of a circle of round pin.
2. The refrigerator door closer of claim 1, wherein: the outer antetheca next-door neighbour refrigerator door body's of round pin shaft hole diapire front side sets up, and the face of connecting towards the spacing portion of guide constitutes the stopper mounting groove with the diapire front side of the refrigerator door body, and the diapire front side of the refrigerator door body is equipped with the stopper that stretches into the stopper mounting groove, and the articulated side setting of diapire of the lateral wall next-door neighbour refrigerator door body in round pin shaft hole is equipped with spacing boss on the lateral wall in round pin shaft hole, and the stopper can be spacing on spacing boss.
3. The refrigerator door closer according to claim 1 or 2, wherein: the tool to lock includes spring bolt and lock seat, opens the elastic glue that is the open-ended state on one side in the lock seat and holds the chamber, and the elastic glue holds and is equipped with the elastic glue in the chamber, and the spring bolt tail end meets with the front end that this elastic glue.
4. The refrigerator door closer of claim 3, wherein: the lock seat is detachably mounted on the bottom surface of the refrigerator door body through a bolt.
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 a pin shaft hole of the limiting closing piece.
6. A refrigerator using the door closer for a refrigerator of any one of claims 1 to 5, characterized in that: the refrigerator door 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

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

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

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113882773A (en) * 2020-07-03 2022-01-04 青岛海尔电冰箱有限公司 Fully-embedded refrigerator capable of increasing opening degree of refrigerator body

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0972149A (en) * 1995-09-05 1997-03-18 Sharp Corp Refrigerator
US20020124738A1 (en) * 2001-02-09 2002-09-12 Young-Gil Lee 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
US20180148962A1 (en) * 2016-11-30 2018-05-31 Samsung Electronics Co., Ltd. Refrigerator
CN211691970U (en) * 2019-12-17 2020-10-16 合肥雪祺电气有限公司 Refrigerator door closer and refrigerator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0972149A (en) * 1995-09-05 1997-03-18 Sharp Corp Refrigerator
US20020124738A1 (en) * 2001-02-09 2002-09-12 Young-Gil Lee 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
US20180148962A1 (en) * 2016-11-30 2018-05-31 Samsung Electronics Co., Ltd. Refrigerator
CN211691970U (en) * 2019-12-17 2020-10-16 合肥雪祺电气有限公司 Refrigerator door closer and refrigerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113882773A (en) * 2020-07-03 2022-01-04 青岛海尔电冰箱有限公司 Fully-embedded refrigerator capable of increasing opening degree of refrigerator body
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

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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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