Hinge structure of side opening door and household appliance

Abstract

The utility model relates to a hinge structure of a side opening door, which comprises a first hinge component and a second hinge component which are respectively arranged on a door frame and a door, a limiting groove is formed in the surface of the side, assembled and connected with the second hinge component, of the first hinge component, a shaft hole is formed in the bottom face of the limiting groove, and the limiting groove is further provided with a door closing abutting wall and an opening abutting wall. A shaft part is arranged at the end, assembled and connected with the first hinge component, of the second hinge component, a limiting block is arranged on the peripheral side surface of the shaft part, and the limiting block is provided with a first abutting surface and a second abutting surface; the shaft part is movably inserted into the shaft hole, and the limiting block is located in the limiting groove. When the first hinge component and the second hinge component rotate relatively, the shaft part rotates in the shaft hole, the limiting block rotates back and forth in the limiting groove, in the process, the first abutting face abuts against the door closing abutting wall, or the second abutting face abuts against the opening abutting face, the opening angle of a door is effectively and accurately controlled, the structure is simple, and operation is convenient. And the production and processing difficulty and cost are low.

Description

Technical Field

[0001] The utility model belongs to the technical field of household electrical appliances, and particularly relates to a hinge structure of a side-opening door and a household appliance. Background Art

[0002] At present, the doors of household appliances such as microwave ovens, electric ovens, and steam-bake machines that are commonly used in people's lives are basically opened sideways. However, the applicant found that in order to limit the opening angle of the door, the hinge structure of these existing household appliances with side-opening doors is very complicated. For example, the invention application with application number 202210720965.2, "A hinge structure for a side-opening door of a cooking device", has high difficulty and high cost in production and processing. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a hinge structure for a side-opening door and a household appliance.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] In a first aspect, a hinge structure for a side-opening door according to the present invention comprises a first hinge component and a second hinge component, which are respectively mounted on a door frame and a door;

[0006] A limiting groove is provided on one side surface where the first hinge member and the second hinge member are assembled and connected, an axial hole is provided on the bottom surface of the limiting groove, and the limiting groove also has a closing abutment wall and an opening abutment wall;

[0007] One end of the second hinge member that is assembled and connected to the first hinge member is provided with a shaft portion, and a peripheral surface of the shaft portion is provided with a limit block, and the limit block has a first abutting surface and a second abutting surface;

[0008] When the first hinge component is assembled and connected with the second hinge component, the shaft portion is movably inserted into the shaft hole, and the limit block is located in the limit groove; when the first hinge component and the second hinge component rotate relatively, the shaft portion rotates in the shaft hole, and the limit block rotates back and forth in the limit groove with the shaft portion as the center. During this process, the first abutment surface abuts against the closed door abutment wall, or the second abutment surface abuts against the open door abutment wall.

[0009] Furthermore, the limiting groove is a fan-shaped groove, the axial hole is arranged at the central angle position of the fan-shaped groove, and the closing door abutment wall and the opening door abutment wall are groove walls corresponding to two sides of the central angle of the fan-shaped groove.

[0010] Furthermore, the central angle of the fan-shaped groove is 95° to 105°, preferably 100°.

[0011] Furthermore, the first hinge member and the second hinge member are both plate-shaped, one of the first hinge member and the second hinge member is horizontally mounted on the door frame, and the other is mounted on the door and vertically assembled and connected with the hinge member on the door frame.

[0012] Furthermore, the first hinge component and the second hinge component are both provided with screw holes, through which they are respectively installed on the door frame and the door in cooperation with screws, wherein the hinge component installed on the door frame is also provided with a positioning reinforcement opening, and the positioning reinforcement opening is clamped on the longitudinal beam of the door frame.

[0013] In a second aspect, a household appliance described in the utility model comprises a door frame and a door, wherein the door is a side-opening door, and the upper end and / or the lower end of one end thereof is assembled with the door frame using the hinge structure of the side-opening door.

[0014] Beneficial effects of the utility model:

[0015] By means of the hinge structure of the side-opening door of the utility model, the side-opening assembly of the door and the door frame can be realized, and at the same time, the opening angle of the door can be effectively and accurately controlled. Moreover, the structure is very simple, and the production difficulty and production cost are low. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial structural diagram of a household appliance having a hinge structure of a side-opening door according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the hinge structure of the side-opening door according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a first hinge component in the hinge structure of a side-opening door according to an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the second hinge component in the hinge structure of the side-opening door described in the embodiment of the utility model.

[0020] Explanation of the reference numerals: 100, first hinge component, 101, limiting groove, 102, shaft hole, 103, closed door abutment wall, 104, open door abutment wall, 105, positioning reinforcement opening, 106, first screw hole, 200, second hinge component, 201, shaft portion, 202, limiting block, 203, first abutment surface, 204, second abutment surface, 205, second screw hole, 300, door frame, 301, longitudinal beam, 400, door. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] See also Figures 1 to 4 The hinge structure of the side-opening door described in the embodiment of the utility model is a hinge for assembling and connecting the door 400 of a household appliance with a door frame 300, wherein the door 400 is a side-opening door; the hinge structure of the side-opening door includes a first hinge component 100 and a second hinge component 200, which are respectively installed on the door frame 300 and the door 400.

[0023] A limiting groove 101 is provided on one side surface where the first hinge member 100 and the second hinge member 200 are assembled and connected, and an axial hole 102 is provided on the bottom surface of the limiting groove 101, and the limiting groove 101 also has a closed door abutment wall 103 and an open door abutment wall 104; an axis portion 201 is provided on one end where the second hinge member 200 and the first hinge member 100 are assembled and connected, and a limiting block 202 is provided on the peripheral surface of the axis portion 201, and the limiting block 202 has a first abutment surface 203 and a second abutment surface 204. When in use, one of the first hinge member 100 and the second hinge member 200 is horizontally installed on the door frame, and the other is installed on the door, and is vertically assembled and connected with the hinge member on the door frame. Specifically, it can be as follows Figure 1-4 , the first hinge member 100 and the second hinge member 200 are both plate-shaped, wherein the first hinge member 100 is horizontally (transversely) installed at the upper end of the door frame 300, and its downward side surface is provided with the limiting groove 101, the shaft hole 102, the closing door abutment wall 103 and the opening abutment wall 104, wherein the limiting groove 101 is preferably a fan-shaped groove, the shaft hole 102 is arranged at the central angle position of the fan-shaped groove, the closing door abutment wall 103 and the opening abutment wall 104 are groove walls corresponding to the two sides of the central angle of the fan-shaped groove, and the central angle of the fan-shaped groove is 95°~105°, preferably 100°; the second hinge member 200 is longitudinally installed in the upper end of the door 400, and its upper end face is provided with the shaft portion 201, the limiting block 202, the first abutment surface 203 and the second abutment surface 204. Of course, the first hinge component 100 can also be installed on the door 400, and the second hinge component 200 can be installed on the door frame 300, for example: directly install the above-mentioned first hinge component 100 horizontally on the door 400, and install the second hinge component 200 longitudinally on the door frame 300; or, the first hinge component 100 is longitudinally installed on the door 400, and its upper end is provided with a limit groove, an axis hole, a closed door abutment wall and an open door abutment wall, and the second hinge component 200 is horizontally installed on the door frame 300, and its downward side surface is provided with an axis, a limit block, a first abutment surface and a second abutment surface.

[0024] When the hinge structure of the side-opening door of the utility model is assembled, the shaft portion 201 of the second hinge member 200 is movably inserted into the shaft hole 102 of the first hinge member 100, and the limit block 202 is located in the limit groove 101; when the door 400 is closed, the first hinge member 100 and the second hinge member 200 rotate relative to each other, the shaft portion 201 rotates in the shaft hole 102, and the limit block 202 is in the limit groove 101 with the shaft portion 201 As the center, it rotates with the shaft 201 until the first abutment surface 203 abuts against the closed door abutment wall 103; when the door 400 is opened, the first hinge component 100 and the second hinge component 200 rotate in opposite directions relative to each other, the shaft 201 rotates in opposite directions in the shaft hole 102, and the limit block 202 rotates with the shaft 201 in the limit groove 101 with the shaft 201 as the center until the second abutment surface 204 abuts against the open abutment wall 104.

[0025] In this way, through the hinge structure of the side-opening door described in the utility model, the side-opening assembly of the door and the door frame can be realized, and the opening angle of the door can be effectively and accurately controlled. Moreover, the structure is very simple, the production and processing difficulty is low, and the production cost is reduced.

[0026] In a preferred embodiment of the present invention, the first hinge member 100 and the second hinge member 200 are both provided with screw holes, and are respectively installed on the door frame 300 and the door 400 through the screw holes and screws. The hinge member installed on the door frame 300 is also provided with a positioning reinforcement opening 105, which can be specifically as follows: Figure 1-3 The first hinge member 100 is provided with a positioning reinforcement opening 105 and a first screw hole 106 at one end connected to the door frame 300, and the second hinge member 200 is provided with a second screw hole 205 penetrating through the inner and outer side surfaces. The first hinge member 100 and the second hinge member 200 are respectively installed on the door frame 300 and the door 400 by screws passing through the first screw hole 106 or the second screw hole 205, and the positioning reinforcement opening 105 is stuck on the longitudinal beam 301 of the door frame 300.

[0027] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A hinge structure for a side-opening door, characterized in that: It comprises a first hinge member (100) and a second hinge member (200), which are respectively mounted on the door frame and the door; A limiting groove (101) is provided on one side surface of the first hinge member (100) and the second hinge member (200) for assembly and connection, an axial hole (102) is provided on the bottom surface of the limiting groove (101), and the limiting groove (101) also has a closing abutment wall (103) and an opening abutment wall (104); One end of the second hinge member (200) that is assembled and connected to the first hinge member (100) is provided with a shaft portion (201), and a peripheral surface of the shaft portion (201) is provided with a limit block (202), and the limit block (202) has a first abutting surface (203) and a second abutting surface (204); When the first hinge component (100) and the second hinge component (200) are assembled and connected, the shaft portion (201) is movably inserted into the shaft hole (102), and the limit block (202) is located in the limit groove (101); when the first hinge component (100) and the second hinge component (200) rotate relatively, the shaft portion (201) rotates in the shaft hole (102), and the limit block (202) rotates back and forth in the limit groove (101) with the shaft portion (201) as the center. During this process, the first abutting surface (203) abuts against the closed door abutting wall (103), or the second abutting surface (204) abuts against the open door abutting wall (104).

2. The hinge structure of the side-opening door according to claim 1, characterized in that: The limiting groove (101) is a fan-shaped groove, the axial hole (102) is arranged at the central angle position of the fan-shaped groove, and the closing door abutment wall (103) and the opening door abutment wall (104) are groove walls corresponding to two sides of the central angle of the fan-shaped groove.

3. The hinge structure of the side-opening door according to claim 2, characterized in that: The central angle of the fan-shaped groove is 95° to 105°.

4. The hinge structure of the side-opening door according to claim 3, characterized in that: The central angle of the fan-shaped groove is 100°.

5. The hinge structure for a side-opening door according to any one of claims 1 to 4, characterized in that: The first hinge member (100) and the second hinge member (200) are both plate-shaped, one of the first hinge member (100) and the second hinge member (200) is horizontally mounted on the door frame, and the other is mounted on the door and vertically assembled and connected with the hinge member on the door frame.

6. The hinge structure of the side-opening door according to claim 5, characterized in that: The first hinge component (100) and the second hinge component (200) are both provided with screw holes, and are respectively installed on the door frame and the door in cooperation with screws through the screw holes, wherein the hinge component installed on the door frame is also provided with a positioning reinforcement opening (105), and the positioning reinforcement opening (105) is clamped on the longitudinal beam of the door frame.

7. A household appliance, comprising a door frame (300) and a door (400), characterized in that: The door (400) is a side-opening door, and the upper end and / or the lower end of one end thereof is assembled together with the door frame (300) using the hinge structure of the side-opening door described in any one of claims 1 to 6.

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