CN211691970U

CN211691970U - Refrigerator door closer and refrigerator

Info

Publication number: CN211691970U
Application number: CN201922266608.XU
Authority: CN
Inventors: 刘治国
Original assignee: Hefei Snowky Electric Co Ltd
Current assignee: Hefei Snowky Electric Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-16
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a pair of refrigerator door closer and refrigerator, refrigerator door closer is including connecting the hinge base between the refrigerator door body and refrigerator box bottom surface, hinge base includes refrigerator door body pivot district supporting part, be equipped with the round pin axle that is used for with refrigerator door body pin joint on the refrigerator door body pivot district supporting part, refrigerator door body pivot district supporting part is equipped with spacing door closing piece with the interval of the refrigerator door body, spacing door closing piece is equipped with the spacing portion of guide, spacing portion of guide includes the convex surface and adjacent and cambered surface connection's concave surface that becomes with the convex surface, the bottom surface of the refrigerator door body is equipped with and guides spacing portion in opposite directions tool to lock, the tool to lock is including following the spacing portion of guide and sliding, 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. The utility model discloses the effectual frictional resistance who reduces between the spacing portion of guide in spring bolt and the spacing door closer piece has improved use comfort.

Description

Refrigerator door closer and refrigerator

Technical Field

The utility model belongs to the technical field of the refrigerator, concretely relates to refrigerator door closer and refrigerator.

Background

Publication No. CN109972948A, entitled "refrigerator door closer and refrigerator", discloses a refrigerator door closer, as shown in FIG. 1, which 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 support portion 41, a base connection portion 42 and a refrigerator body fixing and mounting portion 43 in sequence along a length direction, one end of the refrigerator door pivot area support portion 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 portion 412 in a convex state, referring to FIG. 2, the guide limit portion 412 includes a limit point 413 located at a highest position of the middle protrusion, the bottom surface of the refrigerator door 1 is further provided with a lock 5 facing the guide limit portion 422, the lock 5 includes a lock tongue 51 capable of sliding along the guide limit portion 412, the guide limit portion 412 between the limit point 413 and the base connection portion 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a can effectively reduce frictional resistance's refrigerator door closer between spring bolt and the spacing portion of guide.

The utility model also provides an use the refrigerator of above-mentioned refrigerator door closer.

The first aspect of the utility model provides a refrigerator door closer, including the hinge base that connects between refrigerator door and refrigerator box bottom surface, the hinge base includes refrigerator door pivot district supporting part, be equipped with the round pin axle that is used for with refrigerator door pivot district supporting part, refrigerator door pivot district supporting part and refrigerator door interval are equipped with spacing door closing piece, spacing door closing piece one end is equipped with the round pin axle hole that fixedly cooperates with the round pin axle, the other end is equipped with the guide spacing portion, the guide spacing portion includes convex surface and the concave surface that is adjacent to the convex surface and becomes the cambered surface connection, refrigerator door's bottom surface is equipped with the tool to lock that faces with the guide spacing portion, the tool to lock includes can slide along the guide spacing portion, 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 second aspect of the utility model provides an use refrigerator of above-mentioned refrigerator door closer, its refrigerator door body and refrigerator box including installing above-mentioned refrigerator door closer.

The utility model discloses an add spacing door closer piece between hinge base and the refrigerator door body, utilize the tool to lock to replace the elastic component, and improve the mounted position between spring bolt and the hinge base round pin axle, the effectual frictional resistance who guides between the spacing portion in spring bolt and the spacing door closer piece that has reduced, make the refrigerator door body at the door and the in-process of opening the door, avoid the appearance of friction sound, use comfort has been improved, the door closer that constitutes not only guarantees the refrigerator door body can be steady realization close open, long service life of the component also has, therefore, the electric refrigerator door has the advantages of convenient 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 diagram of the explosion structure of 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, which comprises 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 comprises a refrigerator door pivot area supporting portion 41, the refrigerator door pivot area supporting portion 41 is provided with a pin 411 pivotally connected to the refrigerator door 1 along an outer side end in a width direction, in order to solve the technical problems described in the background art, a spacing door closing sheet 6 is arranged between the refrigerator door pivot area supporting portion 41 and the refrigerator door 1 at an interval, one end of the spacing door closing sheet 6 is provided with a pin hole 61 fixedly matched with the pin 411, the other end is provided with a guiding limiting portion 62, the guiding limiting portion 62 comprises a convex surface 621 and a concave surface 622 adjacent to the convex surface 621 and connected to form a cambered surface, the bottom surface of the refrigerator door 1 is provided with a lock 5 opposite to the guiding limiting portion 62, the lock 5 can slide along the guiding limiting portion 62, 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 utility model also provides an use the refrigerator of above-mentioned refrigerator door closer, its including install the refrigerator door body 1 of above-mentioned refrigerator door closer and with the refrigerator box.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

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.