CN214581281U

CN214581281U - Door hinge structure and microwave oven

Info

Publication number: CN214581281U
Application number: CN202023132437.0U
Authority: CN
Inventors: 付正彬; 徐华锋; 赖建
Original assignee: Guangdong Galanz Microwave Electric Manufacturing Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Current assignee: Guangdong Galanz Microwave Electric Manufacturing Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-02
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a door hinge structure, which is arranged on a microwave oven and is used for connecting a box body and a door body of the microwave oven, wherein the box body comprises a front panel arranged at the front end of the box body, the door hinge structure is arranged in an integrated manner, the door hinge structure comprises a supporting part fixedly connected with the box body and a hinged part connected with the door body, the hinged part is arranged perpendicular to the supporting part, the door hinge structure also comprises a reinforcing part and a positioning part, and a rotating shaft hole, a first arc-shaped opening and a second opening are arranged on the hinged part; the arrangement of the positioning part simplifies the installation process and improves the installation efficiency; the arrangement of the reinforcing part increases the mechanical stability of the door hinge structure; the first arc-shaped opening provides a yielding space for the door body during the hinged rotation, so that the collision between the door body and other objects in the opening process can be effectively avoided, and the opening process of the door body is very smooth; the second opening is provided for limiting the angle at which the door is opened.

Description

Door hinge structure and microwave oven

Technical Field

The utility model relates to a microwave oven equipment field particularly, relates to a door hinge structure and microwave oven.

Background

Since food needs to be put in and taken out of the microwave oven, the door hinge assembly is inevitably required to control the opening and closing of the door. The heating chamber is a space for cooking food and is opened at the front. The door body is arranged at the opening of the heating cavity and is used for forming a sealed cooking space. The box body and the door body are connected through a door hinge structure, the door hinge structure in the prior art is generally divided into an upper door hinge and a lower door hinge, the installation process is very complicated, and the installation efficiency is low; in addition, the unstable connection between the door and the box and the unsmooth opening of the door can reduce the service life of the door hinge structure.

The patent with the application number of CN201910647520.4 in the prior art discloses a door hinge structure of a microwave oven, which comprises a hinge support and a door shaft support, and the structure can effectively avoid the collision between a door body and other objects arranged on two side faces of a shell in the opening process of a corner of 0-90 degrees, but also has the problem of very complex installation process and the problem of unstable connection between the door body and a box body. How to rapidly install the door hinge structure and improve the connection stability of the door hinge structure with the door body and the box body and the smoothness of opening the door body is a problem to be solved urgently in the field of microwave ovens.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a door hinge structure and microwave oven to solve among the prior art very complicated installation, the connection of the door body and box is unstable and the door body is opened not smoothly and is caused the short problem of life of door hinge structure.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a door hinge structure, installs on microwave oven for connect microwave oven's the box and the door body, the box is including setting up the front panel of box front end, door hinge structure sets up for integrated into one piece, door hinge structure includes the articulated portion with box fixed connection's supporting part and AND gate body coupling, articulated portion with the supporting part sets up perpendicularly, door hinge structure still includes rib and location portion set up pivot hole, first arc opening and second opening on the articulated portion. The door hinge structure is integrally formed, so that the stability of the door hinge structure is improved, and the deformation of the door hinge structure can be effectively prevented; the positioning part is arranged to play a positioning role when the door hinge structure is installed on the box body, so that the installation process is simplified, and the installation efficiency is improved; the arrangement of the reinforcing part increases the mechanical stability of the door hinge structure; the hinge part is provided with the first arc-shaped opening to provide a space for the door body to move when the door body is hinged, so that the door body can be effectively prevented from colliding with other objects in the opening process, the opening process of the door body is very smooth, and the service life of the door hinge structure is prolonged; the second opening is provided for limiting the angle at which the door is opened.

Further, a reinforcing portion and a positioning portion are provided on the support portion, and the reinforcing portion extends in a direction away from the support portion.

Furthermore, the positioning part is provided with a first positioning hole, the front panel is provided with a second positioning hole, and the second positioning hole is matched with the first positioning hole for positioning. The first positioning hole and the second positioning hole are arranged, so that a positioning effect is achieved when the door hinge structure is installed on the box body, the installation process is simplified, and the installation efficiency is improved.

Furthermore, the first positioning holes and the second positioning holes are correspondingly arranged, and at least two groups of positioning holes are arranged. The balance stability of installation is improved.

Furthermore, the supporting part is welded with the front panel, and welding sites are arranged on the supporting part. The support part is welded with the front panel, and the connection is firm; the arrangement of the welding sites provides attachment sites for secure attachment.

Furthermore, the first arc-shaped opening, the second opening and the door body are matched to limit the opening angle of the door body, and the opening angle of the door body is larger than 80 degrees and smaller than 150 degrees.

Furthermore, the periphery of the front panel is provided with folded edges, and the front panel and the folded edges form an installation space of the door hinge structure. The installation space is arranged, so that the door hinge structure is positioned and installed on one hand, and the installation efficiency is improved; on the other hand, a protection area is formed for protecting the door hinge structure.

Furthermore, a rectangular through hole for assembly is formed in the front panel, and the hinge portion is connected with the door body through the rectangular through hole. The rectangular through hole is convenient for the hinge part to extend out of the front panel and be connected with the door body.

Furthermore, an accommodating groove is formed in the door body, and a rotating shaft hole in the hinge portion extends into the accommodating groove to be connected with the door body. The hinge portion and the cooperation use of being convenient for of setting up of holding tank.

An aspect of the utility model provides a door hinge structure, for prior art, a door hinge structure have following beneficial effect:

1) according to the door hinge structure, the door hinge structure is integrally formed, so that the stability of the door hinge structure is improved, and the deformation of the door hinge structure can be effectively prevented;

2) according to the door hinge structure, the positioning part is arranged, so that the door hinge structure can be positioned when being installed on the box body, the installation process is simplified, and the installation efficiency is improved; the arrangement of the reinforcing part increases the mechanical stability of the door hinge structure;

3) in the door hinge structure, the hinge part is provided with the first arc-shaped opening, so that a space for abdicating is provided when the door body is hinged and rotated, the door body can be effectively prevented from colliding with other objects in the opening process, the opening process of the door body is very smooth, and the service life of the door hinge structure is prolonged; the second opening is provided for limiting the angle at which the door is opened.

4) A door hinge structure, limit structure's setting has further increased the stability of being connected of door hinge structure and box.

The utility model discloses an on the other hand still provides a microwave oven, microwave oven includes above the door hinge structure board. The advantages of the microwave oven and the door hinge structure are the same as those of the prior art, and are not described herein again.

Drawings

FIG. 1 is a schematic view of a rear perspective structure of the door hinge structure of the present invention installed on a microwave oven;

FIG. 2 is an enlarged perspective view of FIG. 1 at A;

FIG. 3 is an enlarged perspective view of FIG. 1 at B;

fig. 4 is a schematic perspective view of the door hinge structure according to the present invention;

fig. 5 is a schematic perspective view of the door body of the present invention;

fig. 6 is a front view of the microwave oven case according to the present invention;

fig. 7 is a rear view schematic structural view of the microwave oven case of the present invention;

FIG. 8 is an enlarged perspective view of FIG. 7 at C;

fig. 9 is a schematic bottom perspective view of the door hinge structure of the present invention;

fig. 10 is a schematic bottom view of the door hinge structure according to the present invention.

Description of reference numerals:

1. a box body; 10. a heating cavity; 11. an upper panel; 12. a lower panel; 13. a front panel; 131. a first folded edge; 132. a second folded edge; 133. thirdly, folding; 134. a first mounting hole; 135. a connecting member; 136. a rectangular through hole; 137. a second positioning hole; 14. a rear panel; 15. a left panel; 16. a right panel; 17. mounting grooves; 2. a door hinge structure; 21. a support portion; 212. a welding site; 22. a positioning part; 23. a hinge portion; 231. a rotating shaft hole; 232. a first arcuate opening; 233. a second opening; 24. a connecting portion; 25. a reinforcing portion; 3. a door body; 31. and (6) accommodating the tank.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The descriptions of "first", "second", etc. mentioned in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The microwave oven shown in fig. 1 to 6 includes a cabinet 1 and a door 3, wherein the cabinet 1 and the door 3 are connected by a door hinge structure 2. The case 1 includes an upper panel 11, a lower panel 12, a front panel 13, a rear panel 14, a left panel 15, and a right panel 16. The space formed by the upper panel 11, the lower panel 12, the front panel 13, the rear panel 14, the left panel 15 and the right panel 16 is the heating cavity 10, and the heating cavity 10 is a space for cooking food and is opened on the front panel 13. The door 3 is installed in front of the microwave oven and covers the front opening of the heating cavity 10. The user puts food into the heating cavity 10 by opening the door 3, and then closes the door 3 to start the microwave oven. Since each structural component of the microwave oven is the prior art, the structure of the rest of the microwave oven will not be described herein.

Example 1

On the basis of the structure of the microwave oven, the present application provides a door hinge structure 2, as shown in fig. 1-10, installed on the microwave oven, for connecting a box body 1 and a door body 3 of the microwave oven, the door hinge structure 2 is integrally formed, the door hinge structure 2 includes a supporting portion 21 connected with the box body 1 and a hinge portion 23 connected with the door body 3, the hinge portion 23 is vertically arranged with the supporting portion 21, the door hinge structure 2 further includes a reinforcing portion 25 and a positioning portion 22, and a rotating shaft hole 231, a first arc-shaped opening 232 and a second opening 233 are arranged on the hinge portion 23. The door hinge structure 2 is integrally formed, so that the stability of the door hinge structure 2 is improved, and the deformation of the door hinge structure 2 can be effectively prevented; the arrangement of the reinforcing part 25 further increases the mechanical stability of the door hinge structure 2; the positioning part 22 plays a positioning role when the door hinge structure 2 is installed on the box body 1, so that the installation process is simplified, and the installation efficiency is improved; the hinge part 23 is provided with a first arc-shaped opening 232, so that a yielding space is provided for the door body 3 during hinge rotation, the collision between the door body and other objects in the opening process can be effectively avoided, the opening process of the door body 3 is very smooth, and the service life of the door hinge structure 2 is prolonged; the second opening 233 is provided to limit the angle at which the door is opened.

More specifically, as shown in fig. 4, the hinge portions 23 are provided in two, the hinge portions 23 are provided at upper and lower ends of the support portion 21 on the side close to the left panel 15, and the hinge portions 23 each extend toward the direction close to the front panel 13. The hinge portion 23 is provided to facilitate the coupling of the body 1 and the door 3.

More specifically, as shown in fig. 4, the hinge portion 23 includes a first hinge portion provided at an upper end of the support portion 21 on a side close to the left panel 15, and a second hinge portion provided at a lower end of the support portion 21 on a side close to the left panel 15.

More specifically, as shown in fig. 4 and 9, the first arc-shaped opening 232 may be disposed on the first hinge portion, or may be disposed on the second hinge portion, and the second opening 233 may be disposed on the second hinge portion, or may be disposed on the first hinge portion.

Specifically, the first arc-shaped opening 232, the second opening 233 and the door body 3 are matched to limit the opening angle of the door body 3, and the opening angle of the door body 3 is greater than 80 degrees and smaller than 150 degrees.

In the present embodiment, as shown in fig. 4 and 9, the first arc-shaped opening 232 is provided on the first hinge portion, and the second opening 233 is provided on the second hinge portion.

More specifically, as shown in fig. 10, a side of the second opening 233 close to the rotation shaft hole 231 is provided as a straight edge for limiting an angle of opening the door.

More specifically, as shown in fig. 4 and 9, the positioning portion 22 is provided on the supporting portion 21, and more specifically, as shown in fig. 4, the positioning portion 22 is provided as a first positioning hole.

More specifically, as shown in fig. 7 and 8, a second positioning hole 137 is provided on the front panel 13, and the second positioning hole 137 is fitted with the first positioning hole. The positioning holes and the second positioning holes 137 have a positioning function when the door hinge structure 2 is assembled, so that the installation process is simplified, and the installation efficiency is improved.

More specifically, as shown in fig. 7 and 8, the first positioning holes and the second positioning holes 137 are correspondingly disposed, and at least two groups are disposed, so that the balance stability of the installation is improved.

Specifically, as shown in fig. 1 to 3, the supporting portion 21 is fixedly connected to the front panel 13, and more specifically, the supporting portion 21 is welded to the front panel 13. The welding connection is firmer.

Specifically, as shown in fig. 4 and 9, a welding site 212 is provided on the support portion 21. When the door hinge structure 2 is assembled, the door hinge structure 2 and the front panel 13 are welded by the welding points 212.

Specifically, the shape of the welding site 212 is not limited, the welding site 212 may be a concave point, the welding site 212 may also be a convex point, and the welding site 212 may also be a hole.

Specifically, as shown in fig. 4 and 9, a reinforcing portion 25 is provided on the support portion 21.

More specifically, as shown in fig. 1 and 4, a reinforcing portion 25 is provided on a surface of the support portion 21 remote from the front panel 13.

More specifically, as shown in fig. 1 and 4, a reinforcing portion 25 is provided on one end of the support portion 21 near the left panel 15, the reinforcing portion 25 extending toward the rear of the front panel 13. The provision of the reinforcement 25 further increases the mechanical stability of the door hinge structure 2.

More specifically, as shown in fig. 1 and 4, the reinforcement portion 25 is provided as a bump.

Specifically, as shown in fig. 1 and 4, a connecting portion 24 is provided at a connection between the support portion 21 and the hinge portion 23. The connecting portion 24 is provided to connect the supporting portion 21 and the hinge portion 23, so that the connection stability of the supporting portion 21 and the hinge portion 23 is increased, and the connection stability of the cabinet 1 and the door 3 is further increased.

The connecting portion 24 includes a first connecting portion connecting the support portion 21 and the first hinge portion and a second connecting portion connecting the support portion 21 and the second hinge portion. Welding sites 212 are arranged on the connecting portion 24, and the welding sites 212 are added, so that the door hinge structure 2 and the front panel 13 are connected more firmly.

Specifically, a reinforcing portion 25 is provided on the connecting portion 24, and more specifically, the reinforcing portion 25 is provided on the first connecting portion and/or the second connecting portion. In the present embodiment, the reinforcement portion 25 is provided on the second connecting portion. A reinforcement 25 is provided at the second connecting portion to further improve the mechanical stability of the door hinge structure 2.

Specifically, the front panel 13 is provided with folded edges at the periphery thereof, and the front panel 13 and the folded edges form an installation space of the door hinge structure 2.

More specifically, as shown in fig. 1-2 and 6-8, a first folded edge 131 is provided at an upper end of the front panel 13, a second folded edge 132 is provided at a left end of the front panel 13, a third folded edge 133 is provided at a lower end of the front panel 13, the first folded edge 131, the second folded edge 132, the third folded edge 133, the upper panel 11 and the lower panel 12 form a mounting groove 17, and the mounting groove 17 forms a mounting space of the door hinge structure 2. The installation groove 17 is arranged to form a protection area for protecting the door hinge structure 2.

More specifically, the mounting groove 17 forms a support portion 21 and a connection portion 24 of the door hinge structure 2 to provide a mounting space.

Specifically, as shown in fig. 6, a rectangular through hole 136 is provided in the front panel 13 for mounting, and the hinge portion 23 is connected to the door 3 through the rectangular through hole 136. The rectangular through hole 136 is provided to facilitate the hinge portion extending from the front panel 13 to connect with the door body 3.

Specifically, as shown in fig. 5, a receiving groove 31 is provided in the door 3, and the rotating shaft hole 231 of the hinge portion 23 extends into the receiving groove 31 to connect with the door 3. The receiving groove 31 is provided to facilitate the use in cooperation with the hinge portion 23.

More specifically, as shown in fig. 5, the hinge portion 23 and the door body 3 are rotatably connected and may be rotatably connected by means of a hinge. The hinge portion 23 is provided with a rotating shaft hole 231, and is hinged with the rotating shaft in the accommodating groove 31. The spindle is prior art and is not shown in the figures.

Specifically, the installation process of the door hinge structure 2 is as follows:

the door hinge structure 2 is positioned in the mounting groove 17 through the first positioning hole and the second positioning hole 137, and a tool pin penetrates through the first positioning hole and the second positioning hole 137; the support portion 21 and the connection portion 24 are welded to the front panel 13 through the welding sites 212; the hinge 23 is then extended from the front panel 13 into the receiving groove 31 of the door 3 through the rectangular through hole 136 to be connected to the door 3. The installation process is simple, and the installation effectiveness is high.

Compared with the prior art, the door hinge structure of the embodiment has the following beneficial effects:

3) according to the door hinge structure, the hinge part is provided with the first arc-shaped opening, so that a yielding space is provided for the door body during hinge rotation, the collision between the door body and other objects in the opening process can be effectively avoided, the opening process of the door body is very smooth, and the service life of the door hinge structure is prolonged; the second opening is provided for limiting the angle at which the door is opened.

Example 2

In addition to embodiment 1, in order to fix the door hinge structure 2 to the case 1 more stably and prevent the occurrence of positional deviation, a stopper structure is provided to the case 1. The limiting structure is configured as a first mounting hole 134. The arrangement of the limiting structure further increases the connection stability of the door hinge structure 2 and the box body 1.

Specifically, as shown in fig. 3 and fig. 7 to 8, the first mounting hole 134 is disposed on the front panel 13, and the first mounting hole 134 is connected to the connecting member 135 in a fitting manner. The first mounting hole 134 and the connecting piece 135 are further arranged to fix and limit the door hinge structure 2, so that the door hinge structure 2 is prevented from being loosened to cause position deviation, and the connection stability of the box body 1 and the door body 3 is improved.

More specifically, the first mounting hole 134 is provided on the third flap 133 of the front panel 13,

more specifically, as shown in fig. 3, the connection member 135 is provided as a screw. The screws are detachably mounted in the first mounting holes 134 to facilitate replacement.

the door hinge structure 2 is positioned in the mounting groove 17 through the first positioning hole and the second positioning hole 137, and a tool pin penetrates through the first positioning hole and the second positioning hole 137; the support portion 21 and the connection portion 24 are welded to the front panel 13 through the welding sites 212; then the hinge part 23 extends out from the front panel 13 through the rectangular through hole 136 to the accommodating groove 31 of the door body 3 to be connected with the door body 3; finally, the connector 135 is mounted in the first mounting hole 134. The installation process is simple, and the installation effectiveness is high.

Example 3

A microwave oven uses the door hinge structure.

Compared with the prior art, the microwave oven of the embodiment has the following beneficial effects:

1) according to the microwave oven, the door hinge structure is integrally formed, so that the stability of the door hinge structure is improved, and the deformation of the door hinge structure can be effectively prevented;

2) according to the microwave oven, the positioning part is arranged, so that the door hinge structure can be positioned when the door hinge structure is installed on the box body, the installation process is simplified, and the installation efficiency is improved; the arrangement of the reinforcing part increases the mechanical stability of the door hinge structure;

3) in the microwave oven, the hinge part is provided with the first arc-shaped opening to provide a yielding space for the door body to hinge and rotate, so that the collision between the door body and other objects in the opening process can be effectively avoided, the opening process of the door body is very smooth, and the service life of the door hinge structure is prolonged;

4) the microwave oven is characterized in that the box body is provided with the limiting structure, the door hinge structure is further fixed and limited, the door hinge structure is prevented from being loosened to cause position deviation, and the connection stability of the box body and the door body is improved.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. The utility model provides a door hinge structure, installs on microwave oven for connect the box (1) and the door body (3) of microwave oven, box (1) is including setting up front panel (13) of box (1) front end, its characterized in that, door hinge structure (2) set up for integrated into one piece, door hinge structure (2) include with box (1) fixed connection's supporting part (21) and articulated portion (23) of being connected with door body (3), articulated portion (23) with supporting part (21) set up perpendicularly, door hinge structure (2) still include rib (25) and location portion (22) set up pivot hole (231), first arc opening (232) and second opening (233) on articulated portion (23).

2. A door hinge structure according to claim 1, wherein a reinforcing portion (25) and a positioning portion (22) are provided on the support portion (21), the reinforcing portion (25) extending in a direction away from the support portion (21).

3. A door hinge structure according to claim 2, wherein the positioning part (22) is provided as a first positioning hole, a second positioning hole (137) is provided on the front panel (13), and the second positioning hole (137) is matched with the first positioning hole for positioning.

4. A door hinge structure according to claim 3, wherein the first positioning holes and the second positioning holes (137) are correspondingly arranged, and at least two groups are arranged.

5. A door hinge structure according to claim 2, wherein the support portion (21) is welded to the front panel (13), and welding sites (212) are provided on the support portion (21).

6. A door hinge structure according to claim 1, wherein the first arc-shaped opening (232) and the second opening (233) are matched with the door body (3) to limit the opening angle of the door body (3), and the opening angle of the door body (3) is larger than 80 degrees and smaller than 150 degrees.

7. A door hinge structure according to claim 1, characterized in that the front panel (13) is provided with a hem around it, and the front panel (13) and the hem form an installation space of the door hinge structure (2).

8. A door hinge structure according to claim 7, wherein a rectangular through hole (136) for assembling is provided in the front panel (13), and the hinge part (23) is connected to the door body (3) through the rectangular through hole (136).

9. A door hinge structure according to claim 8, wherein a receiving groove (31) is provided on the door body (3), and a rotating shaft hole (231) on the hinge portion (23) extends into the receiving groove (31) to hinge with the door body (3).

10. A microwave oven, characterized in that a door hinge structure according to any one of claims 1 to 9 is used.