CN213573513U

CN213573513U - Hinge assembly and cooking appliance including the same

Info

Publication number: CN213573513U
Application number: CN202021900310.6U
Authority: CN
Inventors: 陈锡雁; 梁郁庆
Original assignee: Zhejiang Tianxi Kitchen Appliance Co Ltd
Current assignee: Zhejiang Tianxi Kitchen Appliance Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-29
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a hinge subassembly and including cooking appliance of this hinge subassembly. The hinge assembly includes a hinge slot and a hinge shaft. The rotary groove comprises a rotary groove, a rotary groove outer side surface and a rotary groove positioning surface. The rotating shaft comprises a buckling column, an arc surface and a buckling column surface positioned between the buckling column and the arc surface. The width W2 between the rotation shaft groove positioning face and the rotation shaft groove outer side face is set so that when the stud surface is not parallel to the rotation shaft groove positioning face, the stud is confined inside the rotation shaft groove, and when the stud surface is parallel to the rotation shaft groove positioning face, the stud can be disengaged from the rotation shaft groove. Use the utility model discloses a normal rotation of door both can be guaranteed to the cooking apparatus of hinge subassembly, also can realize the dismantlement of door under certain angle to convenience of customers cleans cooking apparatus.

Description

Hinge assembly and cooking appliance including the same

Technical Field

The utility model relates to a kitchen appliance field especially relates to a hinge subassembly and including cooking appliance of this hinge subassembly.

Background

With the development of electronic technology, more and more automatic kitchen appliances appear in the market so as to meet various requirements of people. Particularly in the field of cooking appliances, the electronic control system is integrated in the cooking appliances, so that the cooking appliances can automatically execute cooking programs, and the efficiency of cooking operation is greatly improved.

Cooking appliances generally comprise a cabinet and a door mounted to the cabinet by means of a hinge. When a user uses the cooking appliance, the door needs to be opened so as to put food into the box body or take cooked food out of the box body. In the prior art, the door is always connected with the box body through the hinge and cannot be separated from the box body of the cooking appliance. This may cause inconvenience to a user in cleaning the cooking appliance. In fact, during cooking, the food material is often spilled into the cooking cavity or onto the door. In addition, oil stains may be formed in the cooking cavity or on the door by the oil smoke generated during the cooking process. Cleaning of the interior of the cooking cavity by the user is hindered by the presence of the door. In addition, since the door is always connected to the cabinet of the cooking appliance, the user cannot move the position of the door at will, which also causes inconvenience to the user in cleaning the door.

Therefore, there is a need to provide a hinge assembly that is easily disassembled so that a user can easily separate a door from a cabinet of a cooking appliance.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a hinge assembly and a cooking appliance including the same, so as to solve the above technical problems.

The technical scheme of the utility model as follows:

a hinge assembly comprises a rotary groove and a rotary shaft, wherein the rotary groove comprises a rotary shaft groove, a rotary shaft groove outer side surface and a rotary shaft groove positioning surface, the rotary shaft comprises buckling columns, an arc surface and buckling column surfaces located between the buckling columns and the arc surface, and the width W2 between the rotary shaft groove positioning surface and the rotary shaft groove outer side surface is set to enable the buckling columns to be limited in the rotary shaft groove when the buckling column surfaces are not parallel to the rotary shaft groove positioning surface, and the buckling columns can be separated from the rotary shaft groove when the buckling column surfaces are parallel to the rotary shaft groove positioning surface.

According to the utility model discloses a preferred embodiment, pivot groove locating surface with pivot groove lateral surface is parallel.

According to a preferred embodiment of the present invention, the diameter of the post is H1, wherein W2 is smaller than H1.

According to a preferred embodiment of the present invention, the width of the buckle post is W1, wherein W1 is smaller than W2.

A cooking appliance comprising the hinge assembly described above, wherein a rotating shaft of the hinge assembly is located on the door, a rotating groove of the hinge assembly is located on the box body at a position corresponding to the rotating shaft, and the door is movably connected with the box body through the hinge assembly.

According to a preferred embodiment of the present invention, the cooking appliance comprises at least two of the hinge assemblies.

According to the utility model discloses a preferred embodiment, the box is provided with the recess, is used for receiving the rotary trough.

According to a preferred embodiment of the present invention, the hinge is located on a bottom side of the door.

According to a preferred embodiment of the present invention, when the door is parallel to the horizontal plane, the door can be separated from the case.

According to a preferred embodiment of the present invention, the cooking appliance is an oven.

The utility model discloses a detain post and the rotary slot of hinge subassembly are mutually supported for the pivot can break away from in the rotary slot under certain angle, and is restricted in the rotary slot in other angles. Use the utility model discloses a normal rotation of door both can be guaranteed to the cooking apparatus of hinge subassembly, also can realize the dismantlement of door under certain angle to convenience of customers cleans cooking apparatus.

Drawings

Fig. 1 is a perspective view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a perspective view of a door of a cooking appliance according to an embodiment of the present invention;

fig. 3 is a schematic view of a swivel slot of a hinge assembly according to an embodiment of the present invention;

fig. 4 is an enlarged view of a hinge assembly according to an embodiment of the present invention.

The reference signs are:

1-case body

2-door 2 a-door bottom side

3-a first rotating shaft 3 a-a first buckling cylindrical surface 3 b-a first buckling column 3 c-a first cambered surface;

4-second rotating shaft 4 a-second buckling cylindrical surface 4 b-second buckling column 4 c-second cambered surface

5-first rotary groove 5 a-first rotary shaft groove positioning surface 5 b-first rotary shaft groove 5 c-first rotary shaft groove outer side surface

6-second rotating groove 6 a-second rotating shaft groove positioning surface 6 b-second rotating shaft groove 6 c-second rotating shaft groove outer side surface

7-bottom side of the case

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of a cooking appliance according to an embodiment of the present invention. As shown in fig. 1, the cooking appliance includes a cabinet 1 and a door 2. The door 2 and the cabinet 1 are coupled by two identical sets of hinge assemblies (a first hinge assembly and a second hinge assembly). It should be noted that the number of hinges in the cooking appliance can be determined according to actual needs. In some cooking appliances, only one set of hinge assemblies may be used due to the small width of the door or the large width of the hinge assemblies. Of course, multiple sets of hinge assemblies may be used in the cooking appliance to achieve a more secure connection. In this embodiment, the cooking appliance is an oven. It should be understood that the hinge assembly of the present invention may be applied to any cooking appliance.

In fig. 1, the first hinge assembly includes a first rotating shaft 3 on the door 2 and a first rotating slot 5 at a corresponding position on the cabinet 1. Similarly, the second hinge assembly includes a second rotating shaft 4 provided on the door 2 and a second rotating slot 6 provided at a corresponding position on the cabinet 1. The first and second shafts 3 and 4 are located on the bottom edge of the door 2, and may be either integrally formed with the door panel or fixed to the door 2 by welding or screws. The first and second chutes 5 and 6 may be located in grooves provided on the case 1. The box body 1 and the door 2 are connected together through the matching of a first rotary groove 5 and a second rotary groove 6 on the box body 1 and a first rotary shaft 3 and a second rotary shaft 4 on the door 2.

Fig. 2 is a perspective view of a door of a cooking appliance according to an embodiment of the present invention. As shown in fig. 2, the first and second rotating shafts 3 and 4 are located at the bottom edge of the door 2. In the present embodiment, the first rotating shaft 3 and the second rotating shaft 4 on the door 2 are symmetrical along the longitudinal central axis of the box 1. The first rotating shaft 3 includes a first cylindrical surface 3a, a first cylindrical surface 3b, and a first arc surface 3 c. The second shaft 4 includes a second cylindrical buckling surface 4a, a second cylindrical buckling surface 4b and a second arc surface 4 c. The first rotating shaft 3 and the second rotating shaft 4 are identical in structure and size. The first rotating shaft 3 is taken as an example to describe the rotating shaft of the hinge assembly according to the present invention.

The cross section of the first rotating shaft 3 is U-shaped. One end of the U-shaped is connected with the door 2, and the other end is provided with a first buckling column 3 b. When the first hooking rod 3b is inserted into the first rotation groove 5, the door 2 can rotate about the first hooking rod, thereby opening and closing the door 2. The bottom of the U-shape is a first cambered surface 3c of the first rotating shaft 3. The first hooking surface 3a is between the first arc surface 3c and the first hooking stem 3b and connects the first arc surface 3c and the first hooking stem 3b together. Like the first rotating shaft 3, the second rotating shaft 4 includes a second cylindrical buckling surface 4a, a second cylindrical buckling surface 4b and a second arc surface 4 c. The structure of the second rotating shaft 4 is identical to that of the first rotating shaft 3, and is not described in detail herein.

Fig. 3 is a schematic view of a swivel slot of a hinge assembly according to an embodiment of the present invention. As shown in fig. 3, the first rotary slot 5 and the second rotary slot 6 are located in recesses on the case 1. In the present embodiment, the first rotary groove 5 and the second rotary groove 6 on the box body 1 are symmetrical along the longitudinal central axis of the box body 1. The first rotor groove 5 includes a first rotor groove positioning surface 5a, a first rotor groove 5b, and a first rotor groove outer side surface 5 c. The second rotation groove 6 includes a second rotation groove positioning surface 6a, a second rotation groove 6b, and a second rotation groove outer surface 6 c. The width of the first arc surface 3c of the first rotary shaft 3 on the door 2 is smaller than the width of the first rotary groove 5 on the case 1 so that the first rotary shaft 3 can be fitted into the first rotary groove 5. Likewise, the second arc surface 4c of the second rotating shaft 4 of the door 2 has a width smaller than that of the second rotating groove 6 of the case 1 so that the second rotating shaft 4 can be fitted into the second rotating groove 6.

Fig. 4 is an enlarged view of a hinge assembly according to an embodiment of the present invention. In fig. 4, the left side is a rotary slot (first rotary slot 5 or second rotary slot 6) on the case 1, and the right side is a rotary shaft (first rotary shaft 3 or second rotary shaft 4) on the door 2. In fig. 4, W1 indicates the width of the stud of the rotary shaft, and W2 indicates the width between the rotary shaft groove positioning surface and the rotary shaft groove outer side surface of the rotary shaft groove. H1 represents the diameter of the stud of the shaft, and H2 represents the diameter of the shaft groove of the shaft. In the embodiment of the present invention, the width W2 between the first pivot slot positioning surface 5a of the first pivot slot 5 on the box 1 and the first pivot slot outer side surface 5c is smaller than the diameter H1 of the first fastening post 3b on the first pivot 3 on the door 2, so that it can be ensured that the first fastening post 3b cannot be disengaged from the first pivot slot 5 b.

The width W2 between the second rotation axis groove positioning surface 6a and the second rotation axis groove outer side surface 6c of the second rotation axis groove 6 on the box body 1 is smaller than the diameter H1 of the second catch 4b on the second rotation axis 4 on the door 2, so that it is possible to ensure that the second catch 4b cannot be disengaged from the second rotation axis groove 6 b. The width W2 between the first pivot groove positioning surface 5a and the first pivot groove outer side surface 5c of the first pivot groove 5 on the case 1 is greater than the width W1 of the first hooking stem 3b on the first pivot 3 on the door 2, so that the first hooking stem 3b can be disengaged from the first pivot groove 5b at a certain angle. The width W2 between the second rotary shaft groove positioning surface 6a and the second rotary shaft groove outer side surface 6c of the second rotary groove 6 on the box body 1 is greater than the width W1 of the second clasp post 4b on the second rotary shaft 4 on the door 2, so that the second clasp post 4b can be disengaged from the first rotary shaft groove 6b at a certain angle. The diameter H2 of the first pivot groove 5b of the first pivot slot 5 on the case 1 is larger than the diameter H1 of the first hooking stem 3b of the first pivot 3 on the door 2 so that the first hooking stem 3b of the first pivot 3 on the door 2 can rotate in the first pivot groove 5b of the first pivot slot 5 on the case 1. The diameter H2 of the second rotation shaft groove 6b of the second rotation groove 6 on the box body 1 is larger than the diameter H1 of the second hooking stem 4b of the second rotation shaft 4 on the door 2, so that the second hooking stem 4b of the second rotation shaft 4 on the door 2 can rotate in the second rotation shaft groove 6b of the second rotation groove 6 on the box body 1.

According to the present embodiment, when the door 2 is mounted with the box 1, the first rotating shaft 3 and the second rotating shaft 4 on the door 2 are embedded into the first rotating groove 5 and the second rotating groove 6 of the box 1, and the first rotating shaft 3 and the second rotating shaft 4 on the door 2 can movably rotate in the first rotating groove 5 and the second rotating groove 6 of the box 1. When the door 2 is opened from a closed state (perpendicular to the horizontal plane) to a state parallel to the horizontal plane, the door bottom side surface 2a of the door 2 does not interfere with the cabinet bottom side surface 7 of the cabinet 1. The first hooking pole 3b of the first rotating shaft 3 of the door 2 and the second hooking pole 4b of the second rotating shaft 4 of the door 2 can be fitted into the first rotating slot 5 and the second rotating slot 6 of the cabinet 1 only when the first hooking pole 3a of the first rotating shaft 3 of the door 2 is parallel to the first rotating slot positioning surface 5a of the first rotating slot 5 of the cabinet 1 and the second hooking pole 4a of the second rotating shaft 4 of the door 2 is parallel to the second rotating slot positioning surface 6a of the second rotating slot 6 of the cabinet 1 (that is, when an angle θ is formed by a vertical plane passing through the first rotating slot 5 and the second rotating slot 6 and the first hooking pole 3a and the second hooking pole 4a, θ is preferably 15 °). Only in this state, the door 2 can be separated from the first and second rotary slots 5 and 6 of the cabinet 1.

The hinge assembly according to the embodiment can ensure that the door 2 of the cooking appliance can freely rotate relative to the box body, and can easily realize the separation of the door and the box body. The user can freely open or close the door when using the cooking appliance, and when the cooking appliance needs to be cleaned, the door can be separated from the cabinet by opening the door to a certain angle.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hinge assembly characterized by comprising a rotation slot (5, 6) and a rotation shaft (3, 4), the rotation slot (5, 6) comprising a rotation shaft slot (5b, 6b), a rotation shaft slot outer side surface (5c, 6c) and a rotation shaft slot positioning surface (5a, 6a), the rotation shaft (3, 4) comprising a stud (3b, 4b), an arc surface (3c, 4c) and a stud surface (3a, 4a) located between the stud (3b, 4b) and the arc surface (3c, 4c), a width W2 between the rotation shaft slot positioning surface (5a, 6a) and the rotation shaft slot outer side surface (5c, 6c) being set so that when the stud surface (3a, 4a) and the rotation shaft slot positioning surface (5a, 6a) are not parallel, the stud (3b, 4b) is confined inside the rotation shaft slot (5b, 6b), and the stud (3b, 4b) can be disengaged from the rotary shaft groove (5b, 6b) when the stud surface (3a, 4a) is parallel to the rotary shaft groove positioning surface (5a, 6 a).

2. The hinge assembly according to claim 1, wherein the rotation shaft slot positioning surface (5a, 6a) is parallel to the rotation shaft slot outer side surface (5c, 6 c).

3. The hinge assembly of claim 1, wherein the diameter of the stud (3b, 4b) is H1, wherein W2 is smaller than H1.

4. The hinge assembly of claim 1, wherein the width of the post (3b, 4b) is W1, wherein W1 is smaller than W2.

5. Cooking appliance comprising a box (1) and a door (2), characterized in that it comprises a hinge assembly according to any one of claims 1 to 4, the rotation axis (3, 4) of which is located on the door (2), the hinge assembly having a slot (5, 6) located on the box (1) in a position corresponding to the rotation axis (3, 4), the door (2) being movably connected to the box (1) by means of the hinge assembly.

6. The cooking appliance according to claim 5, wherein the cooking appliance comprises at least two of the hinge assemblies.

7. Cooking appliance according to claim 5, characterised in that the box (1) is provided with a recess for receiving the rotating slot (5, 6).

8. The cooking appliance according to claim 5, characterized in that the rotating shaft (3, 4) is located on the bottom edge of the door (2).

9. The cooking appliance according to claim 5, characterized in that the door (2) can be detached from the box (1) when the door (2) is parallel to the horizontal plane.

10. The cooking appliance according to claim 5, characterized in that the cooking appliance is an oven.