CN203258698U - Microwave oven - Google Patents

Abstract

The utility model provides a microwave oven, comprising a microwave oven body and a door assembly, the microwave oven also comprising a door opening and closing mechanism, the door opening and closing mechanism comprising a roller bracket, a positioning piece and a spring connected in sequence, a roller is provided in the middle of the roller bracket in a vertical direction, the roller is provided with a groove, and the positioning piece is clamped in the groove. The pull-down door provided by the utility model has a simple structure, is easy to produce and operate, has a more reliable structure, and is more convenient to use and operate.

Description

a microwave oven

technical field

The utility model relates to a microwave oven, in particular to a microwave oven with a pull-down switch door structure. the

Background technique

The opening and closing mechanisms of microwave ovens with pull-down doors currently on the market have problems such as complex assembly and difficult maintenance. In terms of assembly and maintenance, special installation fixtures and special tools are required to realize it, and in mass production, It is difficult to assemble, the mass production efficiency is low, and the production process is long. the

Contents of the invention

The utility model proposes a kind of microwave oven, has solved the problems such as complicated assembling of microwave oven in the prior art, troublesome maintenance. the

The technical scheme of the utility model is realized in the following way: the microwave oven also includes a door switch mechanism,

The door switch mechanism includes a roller bracket, a positioning piece and a spring connected in sequence,

The middle part of the roller bracket is provided with a roller along the vertical direction, and the roller is provided with a groove,

The positioning piece is stuck in the groove;

The oven door assembly is connected with the microwave oven body to the bottom of the microwave oven body through the roller bracket and positioning piece;

The furnace door assembly is a pull-down door.

Further, the roller bracket includes a fixed plate and a support plate perpendicular to the fixed plate, one end of the support plate is provided with a bracket slot, and the other end is provided with a shaft hole,

One end of the positioning piece is provided with an oval hook, and the other end is provided with a positioning slot,

The bracket slot and the positioning slot are connected to the two ends of the spring respectively.

Further, the furnace door assembly is provided with a first shaft and a second shaft,

The first shaft is arranged in the shaft hole, and the second shaft is hooked with the oval hook.

Further, the microwave oven includes one or two door opening and closing mechanisms. the

Further, the fixed plate is provided with screw holes,

The fixing plate is arranged at the bottom of the microwave oven body, and is fixed together with the microwave oven body through screw holes,

One end of the support plate provided with a shaft hole protrudes from the microwave oven body.

Further, the positioning piece includes a resilient surface,

The resilient surface is pressed together with the surface of the groove of the roller.

Further, the positioning piece is also provided with a spring hanging hole. the

The utility model is a new opening and closing mechanism of a microwave oven in the form of a pull-down door. Through this mechanism, the door can be opened downward and semi-automatically rebound and reset. The mechanism mainly includes a roller bracket, a positioning piece, a furnace door assembly, a microwave oven body and a spring. , under the action of the spring force, the door assembly is driven to open and close the door through the connection of the positioning piece. When the mechanism is in the closed state, the rollers are always pressed against the rebound slope of the positioning piece, so as to continuously provide the door with a force in the direction of the furnace, ensuring the sealing of the furnace door assembly and the microwave oven body, and preventing microwave leakage; this utility model The newly proposed pull-down door has the advantages of simple structure, easy production and operation, more reliable structure and more convenient use and operation. the

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort. the

Fig. 1 is the structural representation of a kind of microwave oven provided by the utility model;

Fig. 2 is the structural representation of the second microwave oven provided by the utility model;

Fig. 3 is a schematic structural diagram of the roller bracket of the microwave oven shown in Fig. 1;

Fig. 4 is a structural schematic view of the roller bracket of the microwave oven shown in Fig. 3 provided with spring hanging holes;

FIG. 5 is a schematic structural diagram of the positioning piece of the microwave oven shown in FIG. 1 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. the

As shown in Figure 1, a microwave oven provided by the utility model includes a microwave oven body 1 and an oven door assembly 3. The microwave oven also includes a door opening mechanism (not marked), and the door opening mechanism includes sequentially connected The roller bracket 22, the positioning piece 23 and the spring 21, the middle part of the roller bracket 22 is provided with a roller 223 along the vertical direction, the roller 223 is provided with a groove (not marked), and the positioning piece 23 is stuck in the groove Inside. The oven door assembly 3 is connected to the bottom of the microwave oven body 1 through the roller bracket 22 and the positioning piece 23; the oven door assembly 3 is a pull-down door. the

The utility model forms an irregular four-sided opening by setting the positioning piece 23, the spring 21, the roller bracket 22 and the furnace door assembly 3, and utilizes the instability of the four-sided opening and the stability of the triangle to realize the opening of the furnace door of the utility model Component 3 and close furnace door component 3 are in two states. Preferably, when the furnace door assembly 3 is opened, the fulcrum of the roller 223 is stuck at the joint between the spring 21 and the positioning piece 23, thereby forming the opposing tension of the spring 21 and the positioning piece 23 on both sides of the roller 223 to form two triangles. the

As a preferred solution, the roller bracket 22 includes a fixed plate 231 and a support plate 222 perpendicular to the fixed plate 231, one end of the support plate 222 is provided with a bracket slot 224, and the other end is provided with a shaft hole 226, one end of the positioning piece 23 is provided with an elliptical hook 232, and the other end is provided with a positioning slot 231; the end of the elliptical hook 232 is connected with the second shaft 32 to realize the relative rotation of the hook and the second shaft 32 , so as to achieve opening and closing the furnace door assembly 3; the end of the positioning slot 231 and the spring 21 are hooked. The bracket slot 224 and the positioning slot 231 are hooked to the two ends of the spring 21 respectively. The furnace door assembly 3 is provided with a first shaft 31 and a second shaft 32 , the first shaft 31 is disposed in the shaft hole 226 , and the second shaft 32 is hooked with the oval hook 232 . the

As another embodiment, the above-mentioned two parts of the positioning piece 23 should be regarded as the similar simple transformation of the functional connection should be regarded as the protection spirit of the present utility model, that is, similar to setting the oval hook 232 as Other structures such as polygonal, polygonal and curved sides, and the second shaft 32 is relatively fixed to the positioning piece 23 and relatively rotates with the furnace door assembly 3 . the

As a preferred solution, the microwave oven includes one or two door opening and closing mechanisms. In the furnace door assembly 3 , the opening and closing mechanism can be provided on both sides of the furnace door assembly 3 , or one of the above-mentioned opening and closing mechanisms can be provided on one side of the furnace door assembly 3 . Preferably, a door opening and closing mechanism is provided on both sides of the furnace door assembly 3, so that the opening and closing effect of the furnace door assembly 3 is better. the

As a preferred solution, the fixing plate 231 is provided with screw holes (not marked), the fixing plate 231 is arranged at the bottom of the microwave oven body 1, and is fixed with the microwave oven body 1 through the screw holes, One end of the support plate 222 provided with the shaft hole 226 protrudes from the microwave oven body 1 . The fixing plate 231 is more beautiful in the microwave oven body 1, and is fixed with the microwave oven body 1, preferably, it is fixed at the bottom of the microwave oven body 1, which provides good conditions for the implementation of the opening and closing mechanism. The supporting plate 222 and the fixing plate 231 are integrated, preferably, the two are integrally formed, the production process is simple, and the product is stronger. the

As a preferred solution, the positioning piece 23 includes a resilient surface 233 , and the resilient surface 233 is pressed together with the surface of the groove of the roller 223 . The resilient surface 233 is a surface where the positioning piece 23 contacts with the roller 223 and moves on the surface of the roller 223 . Preferably, the springback surface 233 can be set as a curved surface, and the above-mentioned curved surface is a surface with both ends converging, a central part protruding, and an excessively smooth surface. the

As a preferred solution, the positioning piece 23 is also provided with a spring hanging hole 225 . The spring hanging hole 225 and the bracket slot 224 have the same function for connecting with the spring 21 . the

The utility model is a novel opening and closing mechanism of a microwave oven in the form of a pull-down door. Through this mechanism, the furnace door assembly 3 can be opened downward and the semi-automatic rebound reset can be realized. The mechanism mainly includes a roller bracket 22, a positioning piece 23, a furnace door Component 3 The microwave oven body 1 and the spring 21, under the action of the spring force, drive the oven door component 3 through the positioning piece 23 to open and close the door. When the mechanism is in the closed state, the roller 223 is always pressed against the rebound slope of the positioning piece 23, thereby continuously providing the oven door assembly 3 with a force toward the furnace, ensuring the sealing of the oven door assembly 3 and the microwave oven body 1. Microwave leakage is prevented; the pull-down door proposed by the utility model has the advantages of simple structure, easy production and operation, more reliable structure and more convenient use and operation. the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model. the

Claims (7)

1. A microwave oven, comprising a microwave oven body and an oven door assembly, characterized in that: the microwave oven also includes a door opening mechanism, The door switch mechanism includes a roller bracket, a positioning piece and a spring connected in sequence, The middle part of the roller bracket is provided with a roller along the vertical direction, and the roller is provided with a groove, The positioning piece is stuck in the groove; The oven door assembly is connected with the microwave oven body to the bottom of the microwave oven body through the roller bracket and positioning piece; The furnace door assembly is a pull-down door. 2. The microwave oven according to claim 1, characterized in that: The roller bracket includes an integrally formed fixing plate and a supporting plate perpendicular to the fixing plate, one end of the supporting plate is provided with a bracket slot, and the other end is provided with a shaft hole, One end of the positioning piece is provided with an oval hook, and the other end is provided with a positioning slot, The bracket slot and the positioning slot are connected to the two ends of the spring respectively. 3. The microwave oven according to claim 2, characterized in that: The furnace door assembly is provided with a first shaft and a second shaft, The first shaft is arranged in the shaft hole, and the second shaft is hooked with the oval hook. 4. The microwave oven according to any one of claims 1 to 3, characterized in that: The microwave oven includes one or two door opening and closing mechanisms. 5. The microwave oven according to claim 4, characterized in that: The fixing plate is provided with screw holes, The fixing plate is arranged at the bottom of the microwave oven body, and is fixed together with the microwave oven body through screw holes, One end of the support plate provided with a shaft hole protrudes from the microwave oven body. 6. The microwave oven according to claim 5, characterized in that: The positioning piece includes a resilient surface, The resilient surface is pressed together with the surface of the groove of the roller. 7. The microwave oven according to claim 5, characterized in that: The positioning piece is also provided with a spring hanging hole.

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