CN112797695A

CN112797695A - Refrigerator door handle, door body and mounting method

Info

Publication number: CN112797695A
Application number: CN202011623235.8A
Authority: CN
Inventors: 程春明; 陆涛; 李�杰
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-14
Anticipated expiration: 2040-12-30
Also published as: CN112797695B

Abstract

The invention discloses a refrigerator door handle, a door body and an installation method, and relates to the technical field of refrigerator doors. The invention comprises a handle body; the handle body is assembled on the door lining of the door body; the handle body is a hollow tongue-shaped extending body; the handle body comprises a fixed part, a penetration part and an extension part which are arranged in sequence; the fixing part and the penetrating and matching part are fixed in the door lining; the extension part extends out of the outer edge of the door lining; the fixing part comprises a base; the upper surface of the base is provided with at least two positioning holes, and the opening at the bottom of each positioning hole is concentrically provided with a positioning ring; the bottom of the base is provided with a limiting rib; the limiting ribs are respectively fixed with the peripheral side surfaces of the positioning rings; the inner surface of the positioning ring and the upper and lower surfaces of the base are contacted and filled with foaming liquid and bear pressure after being solidified. The handle body, the door lining, the hollow cylinder and the limiting rib are used for solving the problems that the existing handle body is easy to loosen and fall off, so that the heat insulation performance is poor and condensation is easy to occur.

Description

Refrigerator door handle, door body and mounting method

Technical Field

The invention belongs to the technical field of refrigerator doors, and particularly relates to a refrigerator door handle, a door body and an installation method.

Background

Most of small-size refrigerators in the existing market, no matter vertical or horizontal, door handle simple structure, but fixed mounting is not simple, generally adopts the mode of fix with screw, uses after a period, and the phenomenon that becomes flexible, drops even mostly can appear to lead to the heat-proof quality relatively poor, and user experience feels not good. And because adopt the screw fixation, increased other consumptive materials, also troublesome when the installation has increased some man-hours. In addition, the handle is positioned at the junction between the inside and the outside of the refrigerator, so that the surface of the handle is easy to be condensed due to the temperature difference between the inside and the outside of the refrigerator, and the use of a user is influenced.

According to the invention, the handle body and the door lining are installed, the handle body is further limited from loosening under the action of the hollow cylinder and the limiting rib, and the liquid heat-insulating material is filled in the handle body, so that the heat-insulating effect of the handle body is improved, and the condensation phenomenon caused by the internal and external temperature difference is prevented.

Disclosure of Invention

The invention aims to provide a refrigerator door handle, a door body and an installation method, which solve the problems that the existing handle body is easy to loosen and fall off, so that the heat insulation performance is poor and condensation is easy to occur through the functions of the handle body, a door lining, a hollow cylinder and a limiting rib.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a refrigerator door handle, which comprises a handle body; the handle body is assembled on the door lining of the door body; the handle body is a hollow tongue-shaped extending body; the handle body comprises a fixing part, a penetrating and matching part and an extending part which are arranged in sequence; the fixing part and the penetrating and matching part are fixed in the door lining;

the extension part extends out of the outer edge of the door lining; the fixing part comprises a base; at least two positioning holes are formed in the upper surface of the base, and positioning rings are concentrically arranged at openings at the bottoms of the positioning holes.

Furthermore, the bottom of the base is provided with a limiting rib; the limiting ribs are respectively fixed with the peripheral side surfaces of the positioning rings.

Further, the inner surface of the positioning ring and the upper and lower surfaces of the base are contacted and filled with foaming liquid, and bear pressure after being solidified.

Further, the penetrating and matching part and the extending part integrally form a cavity structure with one side opened; the wearing and matching part comprises a circumferential binding surface formed along the opening of the cavity structure and a bottom binding surface on the lower surface of the cavity structure.

Furthermore, the extending part is of a tongue-shaped hollow body structure and is provided with an inner cavity; foaming liquid is filled in the inner cavity; the upper outer surface and the lower outer surface of the inner cavity are respectively provided with a closing surface and an opening surface; the closing surface is a door body closing stress surface; the opening surface is a door opening stress surface.

Furthermore, the bottom of the opening surface is inwards sunken to form a sunken body matched with a human hand.

The door body comprises the refrigerator door handle; the refrigerator door handle is arranged on the door liner and then is injected with a liquid heat-insulating material for foaming to form a door body; the bottom surface is provided with the installation department with fixed part complex in the door inside lining to a lateral wall is provided with spacing portion at the door inside lining.

Furthermore, the mounting part comprises a hollow cylinder which is fixed on the inner bottom surface of the door liner and is matched with the positioning ring; the limiting part comprises a through hole arranged on the side wall of the door lining; the inner surface of the positioning ring is concentrically assembled with the outer surface of the hollow cylinder.

Furthermore, reinforcing ribs are arrayed on the circumferential side surface of the hollow cylinder in a circumferential array, and the reinforcing ribs are arranged far away from the top of the hollow cylinder; the mounting part also comprises a supporting table surface arranged between the hollow cylinder and the through hole; a limiting groove is formed in the upper surface of the supporting table board close to the hollow cylinder, and the inner wall of the limiting groove is assembled with a limiting rib to limit the limiting groove to move forwards and backwards, so that the rotation of the positioning ring is further limited; the opening of the through hole is attached to the circumferential attaching surface; the inner wall of the through hole is matched with the binding surface at the bottom.

A method for mounting a door body comprises the following steps;

stp1, mounting sealing materials on the corresponding parts of the limiting part and the matching part, and then clamping and sealing the limiting part and the matching part;

stp2, enabling the extending part to penetrate through the limiting part and to be matched with the limiting part through the penetrating part, and then concentrically assembling the inner surface of the positioning ring and the outer surface of the hollow cylinder to form an assembly body;

stp3, injecting liquid heat insulating material into the assembly body, thereby forming the door body.

The invention has the following beneficial effects:

1. according to the invention, the handle body is assembled on the door lining of the door body, so that the installation of fixing screws is avoided on the premise of ensuring the heat insulation performance of the door body, the working hours and other consumables are reduced, and the production efficiency is greatly improved.

2. According to the refrigerator door, the door handle is arranged on the door liner, and then the liquid heat insulation material is injected for foaming to form the door body, the liquid heat insulation material is filled in gaps in the door body to play a role in strengthening and fixing, and meanwhile, the heat insulation material filled in the space can improve the heat insulation effect and prevent the condensation phenomenon caused by the internal and external temperature difference.

3. The inner surface of the positioning ring and the outer surface of the hollow cylinder are concentrically assembled, so that the positioning and the installation are convenient, and the position of the handle body is convenient to fix; the inner wall of the limiting groove and the limiting rib are assembled to limit the front and back movement of the limiting groove, so that the rotation of the positioning ring is further limited, looseness is prevented, and the assembling stability is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a door body;

FIG. 2 is a schematic view of the installation of the handle body and the door body;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural view of a door lining;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic cross-sectional view taken at C-C in FIG. 5;

FIG. 7 is an enlarged partial view of FIG. 6 at B;

FIG. 8 is a schematic structural view of the handle body;

FIG. 9 is a schematic view showing a lower structure of the handle body;

FIG. 10 is a top schematic view of the handle body;

FIG. 11 is a schematic cross-sectional view taken at D-D of FIG. 10;

in the drawings, the components represented by the respective reference numerals are listed below:

1-handle body, 2-door body, 11-fixed part, 12-matching part, 13-extending part, 21-door lining, 111-base, 112-positioning ring, 121-circumferential binding surface, 122-bottom binding surface, 130-inner cavity, 131-closing surface, 132-opening surface, 211-mounting part, 212-limiting part, 1111-limiting rib, 1120-positioning hole, 1321-concave body, 2111-hollow cylinder, 2112-limiting groove, 2121-through hole and 2122-supporting table board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention relates to a refrigerator door handle, which comprises a handle body 1; the handle body 1 is assembled on the door lining 21 of the door body 2, so that the installation of fixing screws is avoided on the premise of ensuring the heat-insulating property of the door body, the working hours and other consumables are reduced, and the production efficiency is greatly improved; the handle body 1 is a hollow tongue-shaped extending body as a whole; the handle body 1 comprises a fixed part 11, a penetration part 12 and a protruding part 13 which are arranged in sequence; the fixing portion 11 and the fitting portion 12 are fixed in the door liner 21; the extension part 13 extends out of the outer edge of the door liner 21; the fixing portion 11 includes a base 111; at least two positioning holes 1120 are formed on the upper surface of the base 111, and a positioning ring 112 is concentrically disposed at the bottom opening of the positioning holes 1120.

Preferably, as shown in fig. 8-11, the bottom of the base 111 is provided with a limiting rib 1111; the limit ribs 1111 are fixed to the circumferential side surfaces of the positioning ring 112.

Preferably, as shown in fig. 8-11, the inner surface of the retaining ring 112, together with the upper and lower surfaces of the base 111, is filled with a foaming liquid and is pressurized after curing.

Preferably, as shown in fig. 8-11, the wearing portion 12 and the protruding portion 13 integrally form a cavity structure with one side open; the fitting part 12 includes a circumferential fitting surface 121 formed along the opening of the cavity and a bottom fitting surface 122 of the lower surface of the cavity.

Preferably, as shown in fig. 8-11, the extension 13 is a tongue-shaped hollow body structure and defines an inner cavity 130; the inner cavity 130 is filled with foaming liquid; the upper and lower outer surfaces of the inner cavity 130 are respectively formed with a closing surface 131 and an opening surface 132; the closing surface 131 is a closing stress surface of the door body 2; the opening surface 132 is an opening force-bearing surface of the door body 2.

Preferably, as shown in fig. 9, the bottom of the opening surface 132 is recessed inward to form a recessed body 1321 for fitting with a human hand, so that a user can open and close the door 2 conveniently.

The door body comprises the refrigerator door handle; the refrigerator door handle is arranged on the door liner 21 and then is injected with the liquid heat-insulating material for foaming to form the door body 2, the liquid heat-insulating material is filled in all gaps in the handle body 1 to play a role in strengthening and fixing, and meanwhile, the heat-insulating material filled in the space can improve the heat-insulating effect and prevent the condensation phenomenon caused by the internal and external temperature difference; the inner bottom surface of the door liner 21 is provided with an installation part 211 matched with the fixing part 11, and a limit part 212 is arranged on one side wall of the door liner 21.

Preferably, as shown in FIGS. 4-7, the mounting portion 211 includes a hollow cylindrical body 2111 secured to the inner bottom surface of the door liner 21 and engaging the retaining ring 112; the limiting part 212 comprises a through hole 2121 formed in the side wall of the door lining 21; the inner surface of the positioning ring 112 is concentrically assembled with the outer surface of the hollow cylinder 2111, so that positioning installation is facilitated, and the position of the handle body 1 is fixed.

Preferably, as shown in fig. 4-7, the circumferential side surface of the hollow cylinder 2111 is provided with reinforcing ribs in a circumferential array, and the reinforcing ribs are arranged far away from the top of the hollow cylinder 2111; the mounting portion 211 further includes a support table 2122 disposed between the hollow cylinder 2111 and the through-penetration hole 2121; a limiting groove 2112 is formed in the upper surface of the supporting table top 2122, close to the hollow cylinder 2111, and the inner wall of the limiting groove 2112 is assembled with a limiting rib 1111 to limit the front and back movement of the supporting table top, so that the positioning ring 112 is further limited to rotate and prevented from loosening; the opening of the through hole 2121 is attached to the circumferential attachment surface 121; the inner wall of the through hole 2121 is engaged with the bottom abutting surface 122.

A method for mounting a door body comprises the following steps;

stp1, mounting sealing materials on the corresponding parts of the limiting part 212 and the through-fitting part 12, and then clamping and sealing the limiting part and the through-fitting part;

stp2, passing the extension part 13 through the position-limiting part 212 and matching with the position-limiting part 212 through the fitting part 12, and then concentrically fitting the inner surface of the positioning ring 112 with the outer surface of the hollow cylinder 2111 to form an assembly body;

stp3, a liquid heat insulating material is injected into the assembly body to form the door body 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A refrigerator door handle includes a handle body (1); the handle body (1) is assembled on a door lining (21) of the door body (2); the method is characterized in that:

the handle body (1) is a hollow tongue-shaped extending body as a whole; the handle body (1) comprises a fixing part (11), a wearing part (12) and a protruding part (13) which are arranged in sequence;

the fixing part (11) and the fitting part (12) are fixed in the door lining (21);

the extending part (13) extends out of the outer edge of the door lining (21);

the fixed part (11) comprises a base (111); at least two positioning holes (1120) are formed in the upper surface of the base (111), and positioning rings (112) are concentrically arranged at openings at the bottoms of the positioning holes (1120).

2. The handle of claim 1, wherein the base (111) is provided with a limiting rib (1111) at the bottom; the limiting ribs (1111) are respectively fixed with the peripheral side surface of the positioning ring (112).

3. The handle according to claim 1, wherein the inner surface of the positioning ring (112) is filled with foaming liquid together with the upper and lower surfaces of the base (111) and is pressurized after curing.

4. The handle according to claim 1, wherein the fitting portion (12) and the protruding portion (13) are integrally formed with a cavity structure having one side opened;

the wearing and matching part (12) comprises a circumferential binding surface (121) formed along the opening of the cavity structure and a bottom binding surface (122) on the lower surface of the cavity structure.

5. The handle according to claim 1, wherein the protrusion (13) is of a tongue-shaped hollow body structure and defines an inner cavity (130); the inner cavity (130) is filled with foaming liquid;

the upper outer surface and the lower outer surface of the inner cavity (130) are respectively provided with a closing surface (131) and an opening surface (132); the closing surface (131) is a closing stress surface of the door body (2); the opening surface (132) is an opening stress surface of the door body (2).

6. The handle according to claim 5, wherein the bottom of the opening surface (132) is recessed to form a recess (1321) for engaging a human hand.

7. A door body characterized by comprising the refrigerator door handle according to any one of claims 1 to 6; the refrigerator door handle is arranged on a door liner (21) and then is foamed by injecting a liquid heat-insulating material to form a door body (2);

the bottom surface is provided with installation department (211) with fixed part (11) complex in door inside lining (21) to a lateral wall is provided with spacing portion (212) at door inside lining (21).

8. The door body according to claim 7, wherein the mounting portion (211) includes a hollow cylindrical body (2111) secured to the inner bottom surface of the door liner (21) and engaging the retaining ring (112);

the limiting part (212) comprises a through hole (2121) arranged on the side wall of the door lining (21);

the inner surface of the positioning ring (112) is concentrically assembled with the outer surface of the hollow cylinder (2111).

9. The door body according to claim 8, wherein the circumferential side surface of the hollow cylindrical body (2111) is circumferentially arrayed with reinforcing ribs, and the reinforcing ribs are arranged away from the top of the hollow cylindrical body (2111);

the mounting part (211) also comprises a supporting table surface (2122) arranged between the hollow cylinder (2111) and the through hole (2121); a limiting groove (2112) is formed in the position, close to the hollow cylinder (2111), of the upper surface of the supporting table top (2122);

the opening of the through hole (2121) is jointed with the circumferential jointing surface (121); the inner wall of the through hole (2121) is matched with the bottom binding surface (122).

10. The method for mounting the door body is characterized by comprising the following steps of;

stp1, mounting sealing materials at the corresponding parts of the limiting part (212) and the penetrating part (12), and then clamping and sealing the limiting part and the penetrating part;

stp2, the extension part (13) penetrates through the limiting part (212) and is matched with the limiting part (212) through the matching part (12), and then the inner surface of the positioning ring (112) is concentrically assembled with the outer surface of the hollow cylinder (2111) to form an assembly body;

stp3, injecting liquid heat insulating material into the assembly body, thereby forming the door body (2).