CN2826212Y - Microwave oven - Google Patents

Abstract

The utility model discloses a microwave oven which comprises an outer casing, a cooking cavity, an over door, a microwave guide part, a stirring motor and a motor installing part, wherein the outer casing is used for forming an outer structure of a top surface and a left and a right lateral surfaces, the cooking cavity of an inner space is used for cooking food, the oven door can selectively open or close the cooking cavity, the microwave guide part can lead microwaves generated by a magnetron into the cooking cavity, the stirring motor is arranged at one side of the microwave guide part and can produce rotary force after the power supply is switched on, the motor installing part which is arranged at one side of the microwave guide part is used for fixing the stirring motor and the microwave guide part and the motor installing part are arranged into an integral body. The microwave oven which is provided by the utility model arranges the microwave guide part which can lead the microwaves generated by the magnetron to move and the motor installing part which is used for installing the stirring motor into an integral body, not only the number of parts can be reduced, but also the welding procedure can be omitted. Thereby, the problems of the raised reject rate, etc. generated because the eccentricity can be reduced, the production cost can be reduced and the competitive power of products can be raised.

Description

Micro-wave oven

Technical field

The utility model relates to a kind of micro-wave oven, particularly relates to a kind of microwave that can guide magnetron to produce microwave guide portion that moves and the motor mounting part that stirring motor is installed the all-in-one-piece micro-wave oven is set.

Background technology

In general, micro-wave oven is that a kind of microwave irradiation that utilizes magnetron to produce is being placed on its inner food, and the molecule that constitutes food is vibrated for 2,400,000,000 5 thousand ten thousand times with per second, the frictional heat that produces when utilizing vibration and electrical installation that food is cooked.Since micro-wave oven started, stops in moment and temperature control aspect easier, and can heat equably simultaneously each position of food with all size and shape, so not only can save cooking time, and operation is also more convenient, so be widely used in most of families at present.As the magnetron of micro-wave oven core component is negative electrode by anode that is made of copper and cylinder coil type, and is arranged between anode and the negative electrode and the magnet that can produce magnetic field constitutes.Because these parts belong to prior art, therefore no longer describe in detail here.Be elaborated below in conjunction with the micro-wave oven of accompanying drawing to prior art.Fig. 1 is the microwave oven exploded perspective view of prior art.Fig. 2 is microwave guide portion and a motor mounting part STRUCTURE DECOMPOSITION stereogram in the micro-wave oven of prior art.As Fig. 1～shown in Figure 2, the micro-wave oven 1 of this prior art is a cube-shaped structure, and it comprises by a block length square plate and repeatedly bend the back and form, thus constitute micro-wave oven 1 end face and about the shell C of two lateral outer structures; Constitute the backplate R of micro-wave oven 1 back external structure; With the fire door D that can selectivity opens and closes micro-wave oven 1 fore-end structure.The inside of micro-wave oven 1 is formed with and has the cuboid space, thereby the culinary art cavity 2 of portion's cooking food within it.The container that is contained with food can be placed in the inside of culinary art cavity 2, and the microwave that can utilize not shown magnetron to produce is cooked the food in the container.The inside of culinary art cavity 2 also is equipped with not shown rotary tray motor and is connected, thereby can rotate under the revolving force effect that rotary tray motor produces, thus the rotating disk T of heating cooking cavity 2 inner foods equably.The front end of culinary art cavity 2 is provided with fire door D.Fire door D can with outstanding be arranged on micro-wave oven front end left side up and down the hinge H at position be that benchmark rotates, the microwave that can prevent to produce in micro-wave oven 1 running when it closes culinary art cavity 2 is to external leakage.In addition, the right side of culinary art cavity 2 specifically, is provided with electric control chamber E in the micro-wave oven 1 inner right side space that is surrounded by shell C.The inside of electric control chamber E is provided with a plurality of electric components, and the place ahead of electric control chamber E then is provided with by a plurality of operated keys 4 ' and display screen 4 " form, be used to control the operating portion 4 of micro-wave oven 1 operation.In the space between the upside of the end face of shell C and culinary art cavity 2 microwave guide portion 10 is installed.The inside of microwave guide portion 10 is spaced from each other by the end face of cooking cavity 2 with the inside of culinary art cavity 2, it has the long inner space of left and right directions, and its inner right side is provided with not shown magnetron, has the effect that the microwave that can guide magnetron to produce moves.The left upper portion of microwave guide portion 10 is provided with motor mounting part 20.Motor mounting part 20 is provided with the stirring motor 30 that can produce revolving force when connecting power supply, and its left and right sides utilizes the mode of welding and the end face of microwave guide portion 10 to be fixed together, its centre is then separated by a distance with microwave guide portion 10, the vibration that produces in the time of can reducing stirring motor 30 runnings thus.In addition, one side of motor mounting part 20 is provided with the through hole 22 that the rotating shaft 32 that can make stirring motor 30 is projected into culinary art cavity 2 inside, with through hole 22 separated by a distance around the position then be provided with and can contact with the bottom surface of stirring motor 30, thereby can be to a plurality of supporting projections 24 of upper support stirring motor 30.Be provided with around the supporting projections 24 and can utilize screw that stirring motor 30 is installed in a plurality of screw mounting holes 26 on the motor mounting part 20.Rotating shaft 32 lower ends that can run through the stirring motor 30 that inserts culinary art cavity 2 inside are equipped with not shown agitation fan, offer the inside of culinary art cavity 2 after microwave through microwave guide portion 10 guiding can being confused thus, thus heat food equably.But the microwave stove with said structure has following problem: promptly, can guide microwave microwave guide portion 10 that moves and the motor mounting part 20 that stirring motor 30 is installed to be provided with respectively, therefore increase material usage and mounting cost.In addition, microwave guide portion 10 of She Zhiing and motor mounting part 20 need to carry out combination through operations such as welding respectively, will reduce production efficiency like this.In addition, when the welding position of motor mounting part 20 on microwave guide portion 10 is inaccurate, will cause percent defective to raise.

Summary of the invention

In order to address the above problem, the purpose of this utility model is to provide a kind of microwave the microwave guide portion that moves and motor mounting part that stirring motor is installed that the guiding magnetron can be produced that the all-in-one-piece micro-wave oven is set.

In order to achieve the above object, the micro-wave oven that provides of the utility model comprise constitute end face and about the shell of two lateral outer structures; Culinary art cavity with the inner space that is used for cooking food; Can selectivity open and close the fire door of cooking cavity; The microwave that magnetron produces can be caused the microwave guide portion of culinary art inside cavity; Be arranged on a side of microwave guide portion, and can produce the stirring motor of revolving force behind the connection power supply; With a side that is arranged on the microwave guide portion, be used for fixing the motor mounting part of stirring motor; Described microwave guide portion and motor mounting part are arranged to one.

Described motor mounting part comprises the through hole that can make rotating shaft on the stirring motor extend through the culinary art inside cavity; Be provided with the through hole standoff distance, can contact with the bottom surface of stirring motor supporting stirring motor, thereby make the supporting projections of the end face maintenance spacing of stirring motor and microwave guide portion; Form with giving prominence to, can utilize screw to be arranged on the both sides of stirring motor, thereby prevent that stirring motor is separated from the installation projection of motor mounting part from the end face of microwave guide portion.

One side of described installation projection is provided with a side inside that can be inserted in stirring motor, thus the boss that the restriction stirring motor moves; With the opposite side that is positioned at the installation projection, the screw that runs through stirring motor one side can be installed, prevent the screw mounting hole that coming off appears in stirring motor thus.

The micro-wave oven that the utility model provides is that microwave the microwave guide portion that moves and the motor mounting part that stirring motor is installed that can guide magnetron to produce are arranged to one, not only can reduce the quantity of part like this, and can save welding sequence, thereby can reduce the problems such as percent defective rising that cause because of eccentric, can reduce production costs thus and improve competitiveness of product.

Description of drawings

Below in conjunction with the drawings and specific embodiments the micro-wave oven that the utility model provides is elaborated.

Fig. 1 is the microwave oven exploded perspective view of prior art.

Fig. 2 is microwave guide portion and a motor mounting part STRUCTURE DECOMPOSITION stereogram in the micro-wave oven of prior art.

The microwave oven exploded perspective view that Fig. 3 provides for the utility model.

In the micro-wave oven that Fig. 4 provides for the utility model all-in-one-piece microwave guide portion and motor mounting part structural perspective are set.

Critical piece label in the accompanying drawing:

100: micro-wave oven 110: shell 120: backplate

130: fire door 132: hinge 134: the fire door handle

140: culinary art cavity 150: operating portion 152: operation knob

154: display screen 160: electric control chamber 170: the microwave guide portion

180: stirring motor 182: rotating shaft 184: mounting flange

186: screw through hole 188: boss patchhole 190: motor mounting part

192: through hole 194: supporting projections 196: projection is installed

197: boss 199: screw mounting hole L: lamp

The specific embodiment

As Fig. 3～shown in Figure 4, the micro-wave oven 100 that the utility model provides is rectangular shape, and it comprises by block length square plate bending and repeatedly forming, thus constitute micro-wave oven 100 end faces and about the shell 110 of two lateral outer structures; Constitute the backplate 120 of micro-wave oven 100 back external structures; With the fire door 130 that can selectivity opens and closes micro-wave oven 100 fore-end structures.It is open that the inside of micro-wave oven 100 is provided with front end, and the culinary art cavity 140 of portion's cooking food within it; Its front end right side then is provided with the operating portion 150 that can control a plurality of electric components on the micro-wave oven 100.When cooking food, the container that at first will be contained with food is placed on the inside of culinary art cavity 140, utilizes the food in the heating using microwave container that not shown magnetron produces then.Because the top of culinary art cavity 140 is formed with a plurality of not shown holes, the air of therefore cooking cavity 140 inside can circulate, thereby food is heated equably.In addition, can illuminate the illuminating lamp L of culinary art cavity 140 inside after the left surface top of culinary art cavity 140 is provided with and lights.Illuminating lamp L can illuminate the inside of culinary art cavity 140 when micro-wave oven 100 runnings or fire door 130 unlatchings, thereby is convenient to the cooking status that the user confirms food.The front end of culinary art cavity 140 is provided with fire door 130.Fire door 130 can be arranged on micro-wave oven 100 front ends left sides up and down the hinge 132 at position be that benchmark rotates, the microwave of generation is to external leakage in the time of can preventing micro-wave oven 100 operations when it closes culinary art cavity 140.In addition, the front end face of fire door 130 is provided with fire door handle 134.Have certain clearance between the front end face of the bottom of fire door handle 134 and fire door 130, the user can hold this handle when opening and closing fire door 130.The right side of fire door handle 134 is provided with operating portion 150.The user can utilize operating portion 150 to select pre-set cooking time and microwave intensity according to the food species and the state that are positioned over culinary art cavity 140 inside.Operating portion 150 comprises the operation knob 152 that can select different menu by the mode of rotating.The top of operation knob 152 is provided with and is convenient to the display screen 154 that the user confirms food cooking time and micro-wave oven 100 operating conditions generally speaking.The rear of operating portion 150 specifically, is provided with electric control chamber 160 in the inner space, micro-wave oven 100 right side by shell 110 encirclements.The inside of electric control chamber 160 is provided with and a plurality ofly links to each other with operating portion 150, and the electric component that can be controlled by operating portion 150.In the space between the upside of the end face of shell 110 and culinary art cavity 140 microwave guide portion 170 is installed.The microwave that microwave guide portion 170 is used to guide magnetron to produce moves, and its centre is to upper process, and external margin then contacts with the end face of culinary art cavity 140.Microwave guide portion 170 has the long inner space of left and right directions, and its inner right side is provided with not shown magnetron.The microwave that magnetron produces will be moved to the left along microwave guide portion 170.The left side end face of microwave guide portion 170 is provided with after connecting power supply can produce revolving force, thus the stirring motor 180 that can stir to the microwave that offers culinary art cavity 140 inside.The rotating shaft 182 of stirring motor 180 can run through the inside of cooking cavity 140, and the bottom of rotating shaft 182 then is fixed with not shown agitation fan.The microwave that is caused stirring motor 180 by microwave guide portion 170 will flow into the inside of culinary art cavity 140 along rotating shaft 182, reach not shown agitation fan then.When agitation fan rotated, microwave can be radiated at the inside of culinary art cavity 140 equably.The front and back end of stirring motor 180 is provided with rectangular plate shape mounting flange 184.Mounting flange 184 is used for stirring motor 180 is fixed on the end face of microwave guide portion 170, which is provided with screw through hole 186 that can run through screw and the boss patchhole 188 that can insert boss 197.In addition, the left side end face of microwave guide portion 170 is provided with motor mounting part 190.Motor mounting part 190 can keep at the end face of the bottom surface of stirring motor 180 and microwave guide portion 170 under the state of certain distance stirring motor 180 being installed, and forms one with microwave guide portion 170.Described motor mounting part 190 comprises: circular through hole 192; Be positioned at a distance, through hole 192 left side, project upwards and the supporting projections 194 that forms along the rectangular configuration of microwave guide portion 170 widths with its length; With the right side that is positioned at through hole 192, project upwards and form, can utilize screw to combine, thereby prevent the installation projection 196 that stirring motor 180 comes off with the mounting flange 184 of stirring motor 180.Wherein, through hole 192 can make the rotating shaft 182 of stirring motor 180 be inserted into the inside of culinary art cavity 140.When rotating shaft 182 was rotated in the inside of through hole 192, in order to prevent the phase mutual interference, the area of through hole 192 should be greater than the sectional area of rotating shaft 182.The surface of supporting projections 194 can contact with the bottom surface, left side of stirring motor 180, is used for to upper support stirring motor 180.Keep the identical distance of projecting height with supporting projections 194 between stirring motor 180 bottom surfaces of being supported by supporting projections 194 and the end face of microwave guide portion 170, the noise that produces during stirring motor 180 runnings just can not pass to the inside of cooking cavity 140 thus.And as mentioned above, when utilizing screw stirring motor 180 to be fixed on the installation projection 196, projection 196 is installed can contact with the bottom surface, right side of stirring motor 180, thereby can be to upper support stirring motor 180.Promptly, surface one side that projection 196 is installed is formed with in the boss patchhole 188 that can be inserted in stirring motor 180, thereby the boss 197 that restriction stirring motor 180 moves, its opposite side then be formed with can installation diagram in the unshowned screw that runs through stirring motor 180 screwing through holes 186, can prevent the screw mounting hole 199 that coming off appears in stirring motor 180 thus.In addition, the height of installation projection 196 and the thickness sum of mounting flange 184 equal the height of supporting projections 194, when utilizing screw to be arranged on stirring motor 180 on the motor mounting part 190, the bottom surface of stirring motor 180 by supporting projections 194 and end face that projection 196 is installed to upper support, and with the end face of microwave guide portion 170 state separated by a distance under with ground keeping parallelism state.Describe the micro-wave oven that the utility model provides in detail below in conjunction with Fig. 3 and Fig. 4.At first, finish the back user need cook the time, can put into the container that is contained with food, hold fire door handle 134 then, and be that benchmark rotation fire door 130 is to close the front port of cooking cavity 140 with hinge 132 in the inside of culinary art cavity 140 when micro-wave oven 100 assembling.Operation knob 152 in the rotating operation portion 150 starts micro-wave oven 100 so that not shown magnetron produces microwave then with selected cooking menu subsequently.The microwave that magnetron produces can move under the guiding of microwave guide portion 170 to the left, and flows into the inside of culinary art cavity 140 along the rotating shaft 182 of stirring motor 180.Stirring motor 180 will be activated when magnetron produces microwave, thereby driving not shown agitation fan rotates together, confuse the microwave that enters culinary art cavity 140 inside along rotating shaft 182 thus, thereby microwave is offered equably the food of culinary art cavity 140 inside.The process that stirring motor 180 is arranged on the microwave guide portion 170 is as follows: at first the rotating shaft 182 with stirring motor 180 inserts in the through hole 192, then mounting flange 184 and installation projection 196 are in contact with one another so that boss 197 is inserted in the boss patchhole 188, thereby with stirring motor 180 fix in position.The bottom surface, left side of stirring motor 180 will contact with the end face of supporting projections 194, and stirring motor 180 will keep certain distance with the end face of microwave guide portion 170 and keep level this moment.After stirring motor 180 is placed on motor mounting part 190, can in screw mounting hole 199, insert not shown screw, stirring motor 180 just can not be separated from motor mounting part 190 like this.

Claims (3)

1, a kind of micro-wave oven, comprise constitute end face and about the shell (110) of two lateral outer structures; Culinary art cavity (140) with the inner space that is used for cooking food; Can selectivity open and close the fire door (130) of cooking cavity (140); The microwave that magnetron produces can be caused the inner microwave guide portion (170) of culinary art cavity (140); Be arranged on a side of microwave guide portion (170), and can produce the stirring motor (180) of revolving force behind the connection power supply; With a side that is arranged on microwave guide portion (170), be used for fixing the motor mounting part (190) of stirring motor (180); It is characterized in that: described microwave guide portion (170) and motor mounting part (190) are arranged to one.

2, micro-wave oven according to claim 1 is characterized in that: described motor mounting part (190) comprises that can make stirring motor (180) go up rotating shaft (182) extends through the inner through hole (192) of culinary art cavity (140); With through hole (192) standoff distance setting, can contact with the bottom surface of stirring motor (180) with support stirring motor (180), thereby make the stirring motor (180) and the end face of microwave guide portion (170) keep the supporting projections (194) of spacing; Form with giving prominence to, can utilize screw to be arranged on the both sides of stirring motor (180), thereby prevent that stirring motor (180) is separated from the installation projection (196) of motor mounting part (190) from the end face of microwave guide portion (170).

3, micro-wave oven according to claim 2 is characterized in that: a side of described installation projection (196) is provided with a side inside that can be inserted in stirring motor (180), thus the boss (197) that restriction stirring motor (180) moves; With the opposite side that is positioned at installation projection (196), the screw that runs through stirring motor (180) one sides can be installed, prevent the screw mounting hole (199) that coming off appears in stirring motor (180) thus.

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