CN216553371U - Power-assisted handle for opening refrigerator door - Google Patents

Abstract

The utility model discloses a power-assisted handle for opening a refrigerator door, which comprises an embedded box, a door handle, a rotating part, a push rod, a rotating reset spring and a push rod reset spring, wherein the embedded box is provided with a first end and a second end; one end of the door handle is inserted into the embedded box, and the other end of the door handle is provided with a rotating part; the rotating piece is positioned in the embedded box, one end of the rotating piece is coaxially and fixedly connected with the door handle, and the other end of the rotating piece is provided with a guide pressing groove along the spiral direction; the push rod is in sliding fit with the inner end face of the embedded box, and one end of the push rod presses the guide pressing groove; when the return spring is rotated to generate torque, the push rod return spring is compressed; the return of the rotary return spring and the push rod return spring drives the push rod to retract and return to the embedded box. When the refrigerator door opening device is used, the push rod is moved towards the inner side of the refrigerator through rotating the handle, so that the refrigerator door is gradually pushed open, the instant door opening force is converted into the gradual force in the door opening process, and the user experience is improved; the door handle, the rotating piece and the push rod can be reset by the aid of the rotary return spring and the push rod return spring.

Description

Power-assisted handle for opening refrigerator door

Technical Field

The utility model belongs to the technical field of refrigerators, and particularly relates to a power-assisted handle for opening a refrigerator door.

Background

When the existing refrigerator door is opened, the door is opened by pulling a door handle or a handle groove.

And this application provides a neotype helping hand handle, realizes the push rod through rotating rotatory handle and removes and push away the refrigerator door gradually to the refrigerator inboard, turns into the progressive power of the in-process of opening the door with the power of opening the door in the twinkling of an eye, improves user experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a power-assisted handle for a refrigerator door.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a power-assisted handle for opening a refrigerator door comprises a pre-embedded box, a door handle, a rotating piece, a push rod, a rotating reset spring and a push rod reset spring;

the embedded box is vertically embedded in the refrigerator door body;

one end of the door handle is inserted into the embedded box, and the other end of the door handle is provided with a rotating part which is used for rotationally connecting with a refrigerator door body;

the rotating piece is positioned in the embedded box, one end of the rotating piece is coaxially and fixedly connected with the door handle, the other end of the rotating piece is provided with a section of guide pressure groove along the spiral direction, and the central axis of the cylindrical surface where the guide pressure groove is positioned is consistent with the central axis of the rotating piece;

the push rod is in sliding fit with the inner end face of the embedded box, and one end of the push rod presses the guide pressure groove; when the refrigerator door body is closed, the other end of the push rod is attached to the end face of the refrigerator body;

the rotary return spring is arranged between the door handle and the embedded box;

the push rod return spring is sleeved on the push rod in the embedded box;

when the rotary return spring generates torque, the push rod return spring is compressed; the reset of the rotary reset spring and the push rod reset spring drives the push rod to retract and reset into the embedded box.

Preferably, the embedded box comprises an embedded main body which is of a cylindrical structure and one end of which is plugged; an opening end of the embedded main body is coaxially provided with an embedded connecting plate outwards along the radial direction; and a through guide sleeve is arranged at the plugging end of the embedded main body.

Preferably, the door handle includes a first connecting portion having a cylindrical structure, and the rotating portion is coaxially and fixedly disposed at one end of the first connecting portion;

the first connecting portion is provided with a plurality of clamping grooves extending along the axial direction.

Preferably, the rotating part comprises a rotating disc coaxially arranged with the first connecting part, and a rotating handle is arranged at one end of the rotating disc, which is opposite to the first connecting part.

Preferably, the rotating part comprises a second connecting part in a cylindrical structure, and a plurality of clamping blocks which extend along the axial direction and are matched with the corresponding clamping grooves are arranged on the inner wall surface of the second connecting part;

the guide pressure groove is arranged at one end of the second connecting part.

Preferably, one end of the second connecting part is coaxially provided with an annular plate, one end of the annular plate is fixedly provided with a column panel, and the central axis of the column panel is consistent with that of the second connecting part;

the guide pressure groove is positioned at the end part of the column panel.

Preferably, the annular plates at the two ends of the guide pressure groove are provided with guide limiting blocks.

Preferably, the push rod comprises a sliding part matched with the guide sleeve, and a pressure rod pressing towards the guide pressure groove is arranged at one end, facing the guide pressure groove, of the sliding part; when the refrigerator door body is closed, the end face of the sliding part back to the guide pressing groove is attached to the end face of the refrigerator body.

Preferably, the rotary return spring is arranged between the rotary disc and the embedded connecting plate;

the end face, facing the rotating disc, of the embedded connecting plate is provided with a first bulge;

a second bulge is arranged on the end face, facing the embedded connecting plate, of the rotating disc;

one end of the rotary return spring is fixedly connected with the first protrusion, and the other end of the rotary return spring is fixedly connected with the second protrusion.

Preferably, the push rod return spring is sleeved on the sliding part in the embedded box, and one end of the push rod return spring, which is close to the pressure rod, is fixedly connected with the sliding part.

The utility model has the beneficial effects that:

when the refrigerator door opening device is used, the push rod is moved towards the inner side of the refrigerator through rotating the handle, so that the refrigerator door is gradually pushed open, the instant door opening force is converted into the gradual force in the door opening process, and the user experience is improved; after the refrigerator door body is opened, the door handle and the rotating part can be rotated and reset by the aid of the rotary reset spring and the push rod reset spring, and meanwhile, the push rod is retracted and reset.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic perspective view of a power assist grip for opening a door of a refrigerator according to the present invention;

FIG. 2 is a schematic sectional view showing the structure of a power assist grip for opening a door of a refrigerator according to the present invention;

FIG. 3 is a first schematic perspective view of the construction of the embedment box of the utility model;

FIG. 4 is a second schematic perspective view of the construction of the pre-buried box of the present invention;

FIG. 5 is a first perspective view showing the structure of the door handle according to the present invention;

FIG. 6 is a second schematic perspective view of the door handle according to the present invention;

FIG. 7 is a first perspective view showing the structure of a rotating member according to the present invention;

FIG. 8 is a second perspective view showing the structure of the rotating member of the present invention;

FIG. 9 is a schematic cross-sectional view of the door handle and the rotating member of the present invention in cooperation;

FIG. 10 is a schematic perspective view of the push rod of the present invention;

FIG. 11 is a schematic view of the construction of the rotary return spring of the present invention;

FIG. 12 is a schematic view of the combination of the rotary return spring, the first protrusion and the second protrusion of the present invention;

FIG. 13 is a schematic view of the cooperation between the power handle for opening the door of the refrigerator and the door of the refrigerator according to the present invention;

wherein:

1-an embedded box, 101-an embedded main body, 102-an embedded connecting plate, 1021-a first bulge and 103-a guide sleeve;

2-door handle, 201-rotation part, 2011-rotation disc, 2012-rotation handle, 2013-second protrusion, 202-first connection part, 203-card slot;

3-a rotating piece, 301-a guide pressing groove, 302-a second connecting part, 303-a clamping block, 304-an annular plate, 305-a column panel and 306-a guide limiting block;

4-push rod, 401-sliding part, 402-pressure bar;

5-rotating the return spring;

6-push rod return spring;

8-refrigerator door body.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.

In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.

The utility model is further illustrated by the following examples in conjunction with the drawings.

As shown in fig. 1-2, an assist handle for opening a refrigerator door comprises a pre-embedded box 1, a door handle 2, a rotating piece 3, a push rod 4, a rotary return spring 5 and a push rod return spring 6;

the embedded box 1 is vertically embedded on the refrigerator door body 8;

one end of the door handle 2 is inserted into the embedded box 1, the other end of the door handle 2 is provided with a rotating part 201 which is used for being rotatably connected with the refrigerator door body 8, namely, the refrigerator door body 8 is provided with a limiting piece which is matched with the rotating part 201, the limiting piece enables the rotating part 201 to only rotate in the circumferential direction and not to move in the axial direction, so that the door handle 2 cannot be ejected, wherein the limiting piece can be realized by adopting the prior art, such as a bearing structure, or other existing structures;

the rotating piece 3 is positioned in the embedded box 1, one end of the rotating piece is coaxially and fixedly connected with the door handle 2, the other end of the rotating piece 3 is provided with a section of guide pressure groove 301 along the spiral direction, and the central axis of the cylindrical surface where the guide pressure groove 301 is positioned is consistent with the central axis of the rotating piece 3;

the push rod 4 is in sliding fit with the inner end face of the embedded box 1, and one end of the push rod 4 presses the guide pressure groove 301; when the refrigerator door body 8 is closed, the other end of the push rod 4 is attached to the end face of the refrigerator body;

the rotary return spring 5 is arranged between the door handle 2 and the embedded box 1; wherein, the rotary return spring 5 adopts a scroll spring, and the structure thereof is shown in fig. 11;

the push rod return spring 6 is sleeved on the push rod 4 in the embedded box 1;

when the rotary return spring 5 is twisted, the push rod return spring 6 is compressed, so that the push rod 4 is pushed out; the reset of the rotary reset spring 5 and the push rod reset spring 6 drives the push rod 4 to retract and reset into the embedded box 1.

Preferably, as shown in fig. 3 to 4, the embedment box 1 includes an embedment main body 101 with one end of a cylindrical structure being blocked; an open end of the embedded main body 101 is coaxially provided with an embedded connecting plate 102 along the radial direction; the plugging end of the embedded main body 101 is provided with a through guide sleeve 103.

When the embedded box 1 is installed, the outer end face of the embedded connecting plate 102 is flush with the outer end face of the refrigerator door body 8, and the inner end face of the guide sleeve 103 is flush with the surface of the inner side end stop of the refrigerator door body 8. The matching of the handle and the refrigerator door body 8 is shown in fig. 13.

Preferably, as shown in fig. 5 to 6, the door handle 1 includes a first connecting portion 202 having a cylindrical structure, and the rotating portion 201 is coaxially and fixedly disposed at one end of the first connecting portion 202;

the first connecting portion 202 is provided with a plurality of slots 203 extending along the axial direction.

Preferably, as shown in fig. 6, the rotating portion 201 includes a rotating plate 2011 coaxially disposed with the first connecting portion 202, and one end of the rotating plate 2011 facing away from the first connecting portion 202 is provided with a rotating handle 2012.

Preferably, as shown in fig. 7 to 8, the rotating member 3 includes a second connecting portion 302 having a cylindrical structure, and a plurality of axially extending latch blocks 303, which are engaged with the corresponding latch grooves 203, are disposed on an inner wall surface of the second connecting portion 302; the matching of the complementary clamping blocks 303 of the clamping grooves 203 is shown in fig. 9;

the guide pressure groove 301 is provided at one end of the second connection portion 302.

Preferably, as shown in fig. 8, an annular plate 304 is coaxially disposed at one end of the second connecting portion 302, a post panel 305 is fixedly disposed at one end of the annular plate 304, and a central axis of the post panel 305 is coincident with a central axis of the second connecting portion 302;

the guide channel 301 is located at the end of the pillar panel 305.

Preferably, as shown in fig. 8, the annular plates 304 at both ends of the guide pressure groove 301 are provided with guide stoppers 306 to prevent the end of the thrust rod 4 from coming out of the guide pressure groove 301.

Preferably, as shown in fig. 10, the push rod 4 includes a sliding portion 401 engaged with the guide sleeve 103, and one end of the sliding portion 401 facing the guide pressure groove 301 is provided with a pressure rod 402 pressing against the guide pressure groove 301; when the refrigerator door body 8 is closed, the end face of the sliding part 401 back to the guide pressing groove 301 is attached to the end face of the refrigerator cabinet body.

Preferably, the rotary return spring 5 is arranged between the rotary disc 2011 and the embedded connecting plate 102;

the end surface of the embedded connecting plate 102 facing the rotating disc 2011 is provided with a first protrusion 1021;

a second protrusion 2013 is arranged on the end face, facing the embedded connecting plate 102, of the rotating disc 2011;

one end of the rotary return spring 5 is fixedly connected with the first protrusion 1021, and the other end of the rotary return spring 5 is fixedly connected with the second protrusion 2013. Specifically, as shown in fig. 12, an outer end of the rotary return spring 5 is fixedly connected to the first protrusion 1021, and an inner end of the rotary return spring 5 is fixedly connected to the second protrusion 2013.

Preferably, the push rod return spring 6 is sleeved on the sliding portion 401 inside the embedded box 1, and one end of the push rod return spring 6 close to the compression bar 402 is fixedly connected with the sliding portion 401.

A power-assisted handle for opening a refrigerator comprises the following specific implementation modes:

when the refrigerator door 8 is in a closed state, the sliding portion 401 is in a retracted state, and the outer end of the sliding portion 401 is attached to the end face of the refrigerator cabinet.

When the door is opened, a rotating force is applied to the rotating handle 2012, the force is transmitted to the push rod 4 through the door handle 2 and the rotating piece 3 to form a force applied to the refrigerator cabinet by the push rod 4, and the refrigerator door 8 is urged to be opened under the reaction force of the refrigerator cabinet; then, the rotating handle 2012 is rotated (at this time, the rotating return spring 5 generates torque), the matching of the clamping groove 203 and the clamping block 303 enables the rotating piece 3 to rotate along with the rotating piece, so that the guide pressing groove 301 rotates, the spirally-running guide pressing groove 301 presses the pressing rod 402 outwards when rotating, so that the sliding part 401 extends outwards (at this time, the push rod return spring 6 is compressed), and in the process that the sliding part 401 extends outwards, the refrigerator door 8 is driven to open under the reaction force of the refrigerator cabinet body; above realized turning into the progressive power of the in-process of opening the door with the revolving force of opening the door in the twinkling of an eye, improved user experience.

After the door is opened, the rotating handle 2012 is loosened, the rotating return spring 5 is reset to enable the door handle 2 and the rotating part 3 to rotate and reset, and the push rod return spring 6 is reset to drive the sliding part 401 to retract and reset, so that the pressing rod 402 is pressed to the guide pressing groove 301 again.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.

Claims (10)

1. A power-assisted handle for opening a refrigerator door is characterized by comprising an embedded box, a door handle, a rotating part, a push rod, a rotating reset spring and a push rod reset spring;

the embedded box is vertically embedded in the refrigerator door body;

one end of the door handle is inserted into the embedded box, and the other end of the door handle is provided with a rotating part which is used for rotationally connecting with a refrigerator door body;

the rotating piece is positioned in the embedded box, one end of the rotating piece is coaxially and fixedly connected with the door handle, the other end of the rotating piece is provided with a section of guide pressure groove along the spiral direction, and the central axis of the cylindrical surface where the guide pressure groove is positioned is consistent with the central axis of the rotating piece;

the push rod is in sliding fit with the inner end face of the embedded box, and one end of the push rod presses the guide pressure groove; when the refrigerator door body is closed, the other end of the push rod is attached to the end face of the refrigerator body;

the rotary return spring is arranged between the door handle and the embedded box;

the push rod return spring is sleeved on the push rod in the embedded box;

when the rotary return spring generates torque, the push rod return spring is compressed; the reset of the rotary reset spring and the push rod reset spring drives the push rod to retract and reset into the embedded box.

2. The power-assisted handle for opening the door of the refrigerator as claimed in claim 1, wherein the embedded box comprises an embedded main body with one end of a cylindrical structure; an opening end of the embedded main body is coaxially provided with an embedded connecting plate outwards along the radial direction; and a through guide sleeve is arranged at the plugging end of the embedded main body.

3. The booster handle for a refrigerator door opening according to claim 2, wherein the door handle includes a first connecting portion having a cylindrical structure, and the rotating portion is coaxially and fixedly provided at one end of the first connecting portion;

the first connecting portion is provided with a plurality of clamping grooves extending along the axial direction.

4. The booster handle for opening a door of a refrigerator as claimed in claim 3, wherein the rotary part includes a rotary plate provided coaxially with the first connecting part, and the rotary handle is provided at an end of the rotary plate facing away from the first connecting part.

5. The power-assisted handle for opening the door of the refrigerator as claimed in claim 4, wherein the rotating member comprises a second connecting part in a cylindrical structure, and a plurality of clamping blocks which extend along the axial direction and are matched with the corresponding clamping grooves are arranged on the inner wall surface of the second connecting part;

the guide pressure groove is arranged at one end of the second connecting part.

6. The power handle for a refrigerator door opening as claimed in claim 5, wherein an annular plate is coaxially disposed at one end of the second connecting portion, a pillar panel is fixedly disposed at one end of the annular plate, and a central axis of the pillar panel coincides with a central axis of the second connecting portion;

the guide pressure groove is positioned at the end part of the column panel.

7. The power-assisted handle for a refrigerator door opening as claimed in claim 6, wherein the annular plates at both ends of the guide pressure groove are provided with guide stoppers.

8. The power assist handle for opening a refrigerator of claim 7, wherein the push rod includes a sliding portion engaged with the guide sleeve, and an end of the sliding portion facing the guide pressure groove is provided with a pressing rod to press the guide pressure groove; when the refrigerator door body is closed, the end face of the sliding part back to the guide pressing groove is attached to the end face of the refrigerator body.

9. The power-assisted handle for the refrigerator door opening as claimed in claim 8, wherein the rotary return spring is arranged between the rotary disc and the pre-embedded connecting plate;

a first bulge is arranged on the end face, facing the rotating disc, of the embedded connecting plate;

a second bulge is arranged on the end face, facing the embedded connecting plate, of the rotating disc;

one end of the rotary return spring is fixedly connected with the first protrusion, and the other end of the rotary return spring is fixedly connected with the second protrusion.

10. The power-assisted handle for the refrigerator door opening as claimed in claim 9, wherein the push rod return spring is sleeved on the sliding part inside the embedded box, and one end of the push rod return spring close to the pressure rod is fixedly connected with the sliding part.

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