CN110381622B - Door structure of microwave oven - Google Patents
Door structure of microwave oven Download PDFInfo
- Publication number
- CN110381622B CN110381622B CN201910668308.6A CN201910668308A CN110381622B CN 110381622 B CN110381622 B CN 110381622B CN 201910668308 A CN201910668308 A CN 201910668308A CN 110381622 B CN110381622 B CN 110381622B
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- China
- Prior art keywords
- door
- door frame
- glass plate
- hook
- front glass
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- 239000011521 glass Substances 0.000 claims abstract description 54
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 48
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 239000003292 glue Substances 0.000 claims description 9
- 239000004831 Hot glue Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6414—Aspects relating to the door of the microwave heating apparatus
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Special Wing (AREA)
- Electric Ovens (AREA)
Abstract
The utility model provides a microwave oven door body structure, includes door frame and preceding glass board, and the front surface of door frame is provided with the storage tank that is used for placing preceding glass board, and one side of storage tank is provided with the via hole that runs through the storage tank diapire from front to back, still includes at least one mounting that is used for fixed preceding glass board, and the mounting passes the via hole, and the mounting partly supports front surface and/or the lateral wall of leaning on preceding glass board, and the mounting another part is fixed in the rear space of storage tank to make preceding glass board fixed placement in the storage tank. The front glass plate is arranged on the front surface of the door frame, the front glass plate is not put into the door frame from the rear of the door frame, the assembly efficiency of the front glass plate and the door frame is improved, and the front glass plate is fixedly arranged in the door frame due to the cooperation of the adhesive and the fixing piece.
Description
Technical Field
The invention relates to a cooking appliance, in particular to a door structure of a microwave oven.
Background
The door body of the microwave oven generally comprises a door frame, a door framework and a front glass plate, wherein the front glass plate is generally placed into the door frame from the rear of the door frame, the front glass plate is limited by a limiting frame in front of the door frame, and then the rear of the front glass plate is fixed, so that the door body is inconvenient to install; or the front glass plate is adhered to the door frame through the adhesive, but the adhesive is easy to loose after a period of time, and the front glass plate is not firmly fixed.
On the one hand, the door frame is generally a plastic part and comprises a longitudinal peripheral wall and a transverse extending wall extending from the front side of the longitudinal peripheral wall to the center direction of the door frame, a buckle is generally arranged in the door frame, and the door frame is buckled on the buckle to be fixed. If the buckle protrudes out of the periphery wall of the door frame integrally, the buckle is not elastic, and the door framework is difficult to clamp into the buckle. If the buckle extends out of the buckle arm longitudinally from the transverse extending wall, the buckle arm has better elasticity, the framework is easy to clamp into the buckle arm, but the framework is limited only by the elastic buckle arm, and the fixation is not firm enough.
On the other hand, choke teeth are generally arranged on the periphery of the door frame to prevent microwave leakage, and the door frame and the choke teeth are formed by stamping thinner metal plates. The side of the door skeleton is connected with a door hook part, the door hook part is movably connected to the door skeleton through a spring, and when the microwave oven is opened or closed, the door hook part can be extruded upwards by a boss in the microwave oven, so that the door hook part is separated from the microwave oven body to realize opening or buckling into the oven body to realize closing. When the door hook is pressed upwards in the door opening and closing process, the door hook can apply a reaction force to the door framework through the spring, and if the door framework is not firmly installed, the door framework is easy to shift after the door is opened and closed for a long time, so that the problem of microwave leakage and/or microwave ignition is caused.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a microwave oven door structure which is reasonable in structural arrangement, flexible and quick to install and high in connection strength, effectively solves the problem that a door frame is not firm in fixing a front glass plate, and improves the fixing strength of the door frame to the front glass plate, so that the defects in the prior art are overcome.
The door structure of the microwave oven designed according to the purpose comprises a door frame and a front glass plate, wherein the front surface of the door frame is provided with a containing groove for containing the front glass plate, one side edge of the containing groove is provided with a through hole penetrating through the bottom wall of the containing groove, the door structure also comprises at least one fixing piece for fixing the front glass plate, the fixing piece penetrates through the through hole, one part of the fixing piece is propped against the front surface and/or the side wall of the front glass plate, and the other part of the fixing piece is fixed in the rear side space of the containing groove, so that the front glass plate is fixedly placed in the containing groove.
The accommodating groove is internally provided with adhesive, and the front glass plate and the accommodating groove are respectively adhered with the adhesive. The cooperation of viscose and mounting, preceding glass board and storage tank connect reliably firm.
The door frame comprises a longitudinal peripheral wall and a transverse extending wall extending towards the central direction inside the door frame, the transverse extending wall and the longitudinal peripheral wall mutually enclose to form an annular accommodating groove, a through hole is formed in one side edge of the transverse extending wall, a clamping column is arranged on the back surface of the transverse extending wall, a fixing piece is in a bent shape and comprises a body, a first bending block positioned at one end of the body, a second bending block positioned at the other end of the body, a body penetrating hole is formed in the body, the first bending block abuts against the front surface of a front glass plate, a clamping groove is formed in the second bending block, and the second bending block is positioned on the back surface of the transverse extending wall; wherein, the card post runs through the draw-in groove, makes the second block of buckling chucking on the card post.
The body and the second bending block are bent, and folds are formed between the body and the second bending block; or the body and the second bending block are connected through welding or hinging; the card slot extends into the body.
Before installation, the fixing piece is L-shaped, the L-shaped fixing piece is inserted into the through hole from the front side of the door frame, the body blocks the front glass plate, and then the fixing piece is bent on the other side of the through hole to form a second bending block, and the second bending block is clamped on the clamping column. The clamping groove extends into the body, so that the crease is intersected with the clamping groove, the crease part is easier to bend, and the clamping column is easier to clamp the second bending block.
The via hole is a U-shaped hole. The U-shaped hole is relatively flat and straight, and the U-shaped hole can enable the part of the die for forming the through hole to be U-shaped, so that the strength of the part of the die can be improved.
The back of transversely extending wall is provided with the glue groove along card post peripheral, is provided with the hot melt adhesive in the glue groove, and the second is buckled piece and the mutual adhesion of hot melt adhesive, makes the mounting more firm. The clamping post is provided with a clamping hook, and the clamping post penetrates through the clamping groove and buckles the second bending block through the clamping hook to prevent the second bending block from tilting.
The microwave oven door body structure further comprises a door framework connected with the door frame, a plurality of choke teeth are arranged on the periphery of the door framework, tooth grooves are formed between two adjacent choke teeth, a door hook piece is arranged on the first side edge of the door framework, the door body is movably arranged on the door framework and is closed towards the microwave oven body through the door hook piece, a first buckling arm is arranged on the back surface of the transverse extending wall and buckled in the tooth grooves, and a buckling part of the first buckling arm is spaced from the longitudinal peripheral wall, and a limiting rib integrally extends from the longitudinal peripheral wall to the inner direction of the door frame; the first buckle arm and the limiting rib are adjacently arranged; the first buckling arm is provided with a first inner side face facing the middle direction of the door frame; the limiting rib is provided with a second inner side face facing the middle direction of the door frame, and the first inner side face is overlapped with the second inner side face; or the first inner side surface and the second inner side surface are separated by a parallel distance S, and the parallel distance S is less than 0.5mm; the first side of door skeleton is provided with first couple, and door hook spare is provided with second couple and spring, and first couple, spring and second couple link to each other in proper order, and the door hook spare makes reciprocating motion through the first side of spring relative door skeleton.
The door hook piece is arranged on the first side edge of the door frame, the door frame and the door frame are mutually assembled, the first buckling arm and the limiting rib are arranged on the second side edge and the third side edge which are adjacent to the first side edge, and the acting force of the door hook piece can drive the door frame to move upwards or downwards because the acting force of the door hook piece is upward or downward, so that the limiting rib is arranged on the second side edge and the third side edge which are above or below to prevent the reaction force of the door hook piece (the reaction force is exerted by the door hook piece through a spring when the door is opened or closed) from enabling the door frame to move upwards or downwards.
When the microwave oven is opened, the door hook of the door hook piece can cross the convex block in the microwave oven box body in the opening process, so that the door body is separated from the box body, and in the process, the door hook can move upwards to cross the convex block and then reset downwards through the spring; because the door frame is connected with the door hook piece through the spring, the door hook upwards passes through the convex block and simultaneously can generate a trend force for moving downwards the door body.
In addition, because after the door skeleton card goes into first buckle arm, the lower side of door skeleton and the first medial surface laminating of the first buckle arm that is located the door frame downside, for preventing that the door skeleton from receiving the reaction force of spring to shift toward the door bottom, so want to make the second medial surface and the first medial surface parallel and level that are located the spacing muscle of door frame downside, the parallel and level just can prevent the door skeleton to shift downwards through spacing muscle, for this technical problem of solution: the door framework is elastically buckled through the elastic first buckling arm, meanwhile, the door framework is easily shifted due to the reaction force of the door hook piece spring, the limiting rib is integrally extended from the longitudinal peripheral wall, the second inner side surface of the limiting rib is flush with the first inner side surface, the door framework is prevented from shifting upwards or downwards, and the door framework is prevented from shifting upwards or downwards.
The longitudinal peripheral wall and the first buckling arms are arranged at intervals, so that the first buckling arms have elasticity, and the door framework can be easily buckled into the first buckling arms; meanwhile, the limiting ribs integrally extend from the longitudinal peripheral wall, the second inner side faces of the limiting ribs are overlapped or basically overlapped with the first inner side faces of the first buckling arms, the second side edges and the third side edges of the door framework can be limited, the door hook pieces are prevented from applying reaction force to the door framework through springs when the door is opened or closed, the door framework is caused to displace towards the side edges of the door framework, the defect that the first buckling arms are not firm in fixing the door framework due to the elasticity of the first buckling arms is overcome, and the problem that microwave leakage or microwave ignition is caused due to the displacement of the door framework is prevented.
The microwave oven door body structure further comprises a rear cover plate connected with the door framework, the rear cover plate is provided with a second buckling arm, the choke teeth are provided with buckling holes, and the second buckling arm is buckled in the buckling holes.
The outer side surface of the choke tooth is provided with an inner concave rib which is concave towards the inner direction of the door framework. The concave ribs can strengthen the strength of the choke teeth.
One side of the door frame is provided with at least two through holes, the other side of the door frame opposite to the through holes is provided with a transverse slot communicated with the accommodating groove, one side of the front glass plate is inserted into the transverse slot, and the other side of the front glass plate is limited and fixed through a plurality of fixing pieces.
The back of the transverse peripheral wall is provided with a buckling block corresponding to the fourth side of the door framework, and the buckling block integrally extends out from the longitudinal peripheral wall of the door frame; the door frame and the door frame are mutually assembled, and the buckling blocks are buckled on the fourth side edge of the door frame.
The front glass plate is arranged on the front surface of the door frame, the front glass plate is not put into the door frame from the rear of the door frame, the assembly efficiency of the front glass plate and the door frame is improved, and the front glass plate is fixedly arranged in the door frame due to the cooperation of the adhesive and the fixing piece.
Drawings
Fig. 1 is a schematic perspective view of a door body of a microwave oven according to an embodiment of the invention.
Fig. 2 is a schematic view showing an exploded structure of a front glass plate, a door frame and a door frame of a door body of a microwave oven according to an embodiment of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic perspective view of a fixing member according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view illustrating a first bending block and a second bending block according to an embodiment of the invention.
Fig. 6 is a schematic view showing an exploded structure of a door frame and a door skeleton according to an embodiment of the present invention.
Fig. 7 is an enlarged view at B in fig. 6.
Fig. 8 is a schematic plan view (rear view) of a door of a microwave oven according to an embodiment of the invention.
Fig. 9 is a schematic view of the C-C cross-sectional structure of fig. 8.
Fig. 10 is an enlarged view of D in fig. 9.
Fig. 11 is an enlarged view at E in fig. 9.
Fig. 12 is a schematic structural view of a clip with a hook according to an embodiment of the invention.
Fig. 13 is an exploded view of a door of a microwave oven according to an embodiment of the present invention.
Fig. 14 is a schematic perspective view showing the assembly of a door frame and a back cover plate to each other according to an embodiment of the present invention.
Fig. 15 is an enlarged view at F in fig. 14.
Fig. 16 is a schematic perspective view of a door frame according to an embodiment of the present invention.
Fig. 17 is an enlarged view at G in fig. 16.
In the figure, 1 is a door frame, 1.1 is a containing groove, 1.2 is a through hole, 1.3 is a longitudinal peripheral wall, 1.4 is a transverse extending wall, 1.5 is a clamping column, 1.6 is a glue groove, 1.7 is a clamping hook, 1.8 is a first clamping arm, 1.8.1 is a first inner side surface, 1.9 is a limiting rib, 1.9.1 is a second inner side surface, 1.10 is a clamping block, 1.11 is a door handle, 1.12 is a transverse slot, 2 is a front glass, 3 is a fixing piece, 3.1 is a body, 3.2 is a second bending block, 3.3 is a clamping groove, 3.4 is a first bending block, 3.5 is a crease, 4 is a door frame, 4.1 is a choke tooth, 4.2 is a tooth groove, 4.3 is a door hook piece, 4.4 is a first hook, 4.5 is a second hook, 4.6 is a spring, 4.7 is a door hook, 4.8 is a clamping hole, 4.9 is a concave rib, 4.10 is a third side edge, 4.11 is a side edge, and 2.5 is a side edge cover plate.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-17, a door body structure of a microwave oven comprises a door frame 1 and a front glass plate 2, wherein a containing groove 1.1 for containing the front glass plate 2 is arranged on the front surface of the door frame 1, a through hole 1.2 penetrating through the bottom wall of the containing groove 1.1 from front to back is arranged on one side edge of the containing groove 1.1, at least one fixing piece 3 for fixing the front glass plate 2 is arranged, the fixing piece 3 penetrates through the through hole 1.2, one part of the fixing piece 3 abuts against the front surface and/or the side wall of the front glass plate 2, and the other part of the fixing piece 3 is fixed in the rear side space of the containing groove 1.1, so that the front glass plate 2 is fixedly placed in the containing groove 1.1.
The through hole 1.2 is U-shaped, and the U-shaped hole is relatively straight, so that the part of the die for forming the through hole 1.2 is also U-shaped, and the strength of the part of the die can be improved.
The door frame 1 comprises a door handle 1.11, at least two through holes are formed in one side of the door frame 1, a transverse slot 1.12 communicated with the accommodating groove 1.1 is formed in the other side of the door frame 1 opposite to the through holes 1.2, and the transverse slot 1.12 is located on one side of the door handle 1.11. One side of the front glass plate 2 is inserted into the accommodating groove 1.1 through the transverse slot 1.12, and the other side of the front glass plate 2 is limited and fixed through a plurality of fixing pieces 3.
The accommodating groove 1.1 is internally provided with adhesive, and the front glass plate 2 and the accommodating groove 1.1 are respectively adhered with the adhesive. The front glass plate 2 and the accommodating groove 1.1 are reliably and firmly connected by matching the adhesive with the fixing piece 3.
The door frame 1 comprises a longitudinal peripheral wall 1.3, a transverse extension wall 1.4 extending towards the inner center direction of the door frame 1, the transverse extension wall 1.4 and the longitudinal peripheral wall 1.3 are mutually enclosed to form an annular accommodating groove 1.1, a through hole 1.2 is arranged at one side edge of the transverse extension wall 1.4, a clamping column 1.5 is arranged at the back surface of the transverse extension wall 1.4, a fixing piece 3 is in a bent shape, the fixing piece 3 comprises a body 3.1, a first bending block 3.4 positioned at one end of the body 3.1, a second bending block 3.2 positioned at the other end of the body 3.1, the body 3.1 penetrates through the hole 1.2, the first bending block 3.4 is abutted against the front surface of the front glass plate 2, the second bending block 3.2 is provided with a clamping groove 3.3, and the second bending block 3.2 is positioned at the back surface of the transverse extension wall 1.4; the clamping column 1.5 penetrates through the clamping groove 3.3, so that the second bending block 3.2 is clamped on the clamping column 1.5, and the second bending block 3.2 is prevented from tilting.
The body 3.1 and the second bending block 3.2 are mutually bent, and folds 3.5 are formed between the body and the second bending block; or the body 3.1 and the second bending block 3.2 are connected by welding or hinging; the clamping groove 3.3 extends into the body 3.1.
Before installation, the fixing piece 3 is L-shaped, the L-shaped fixing piece 3 is inserted into the through hole 1.2 from the front side of the door frame 1, the first bending block 3.4 is used for blocking the front glass plate 2, the fixing piece 3 is bent on the other side of the through hole 1.2, so that a second bending block 3.2 of the fixing piece 3 is formed, and the second bending block 3.2 is clamped on the clamping column 1.5. The clamping groove 3.3 extends into the body 3.1, so that the crease 3.5 is intersected with the clamping groove 3.3, and a hollow structure is formed at a bending part between the body 3.1 and the second bending block 3.2, so that the bending part between the body 3.1 and the second bending block 3.2 is easier to bend, and the clamping column 1.5 is also easier to clamp the second bending block 3.2.
The back of the transverse extension wall 1.4 is provided with a glue groove 1.6 along the periphery of the clamping column 1.5, hot melt glue is arranged in the glue groove 1.6, and the second bending block 3.2 and the hot melt glue are mutually adhered, so that the fixing piece 3 is firmer. The clamping column 1.5 is provided with a clamping hook 1.7, and the clamping column 1.5 penetrates through the clamping groove 3.3 and buckles the second bending block 3.2 through the clamping hook 1.7.
The microwave oven door body structure further comprises a door framework 4 connected with the door frame 1, a plurality of choke teeth 4.1 are arranged on the periphery of the door framework 4, tooth grooves 4.2 are formed between two adjacent choke teeth 4.1, a first side edge 4.10 of the door framework 4 is provided with a door hook piece 4.3, the door hook piece 4.3 is movably arranged on the door framework 4, the door body is closed towards the microwave oven box body through the door hook piece 4.3, a first buckling arm 1.8 is arranged on the back surface of the transverse extending wall 1.4, the first buckling arm 1.8 is buckled in the tooth grooves 4.2, buckling parts of the first buckling arm 1.8 are spaced from the longitudinal peripheral wall 1.3, and a limiting rib 1.9 integrally extends from the longitudinal peripheral wall 1.3 to the inner direction of the door frame 1; the first buckling arm 1.8 and the limiting rib 1.9 are adjacently arranged; the first buckling arm 1.8 is provided with a first inner side surface 1.8.1 facing the middle direction of the door frame 1; the limiting rib 1.9 is provided with a second inner side surface 1.9.1 facing the middle direction of the door frame 1, and the first inner side surface 1.8.1 is overlapped with the second inner side surface 1.9.1; or the first inner side surface 1.8.1 and the second inner side surface 1.9.1 are separated by a parallel distance S, and the parallel distance S is less than 0.5mm; the first side 4.10 of the door frame 4 is provided with a first hook 4.4, the door hook 4.3 is provided with a second hook 4.5 and a spring 4.6, the first hook 4.4, the spring 4.6 and the second hook 4.5 are connected in sequence, and the door hook 4.3 reciprocates relative to the first side 4.10 of the door frame 4 through the spring 4.6. The back cover plate 5 is provided with a door hook hole 5.1, the door hook piece 4.3 is provided with a door hook 4.7, and the door hook 4.7 penetrates through the door hook hole 5.1.
The door hook 4.3 is arranged on a first side 4.10 of the door frame 4, the door frame 4 and the door frame 1 are assembled with each other, the first buckling arm 1.8 and the limiting rib 1.9 are positioned on a second side and a third side adjacent to the first side 4.10, and the door hook 4.3 is prevented from being upwards or downwards displaced by the reaction force of the door hook 4.3 (the reaction force of the door hook 4.3 is exerted by the spring 4.6 when the door is opened or closed) because the force generated by the door hook 4.3 is upwards or downwards and the acting force of the door hook 4.3 drives the door frame 4 to upwards or downwards move.
The first buckling arm 1.8 is spaced from the longitudinal peripheral wall 1.3 of the door frame 1, so that the first buckling arm 1.8 has elasticity, and the door framework 4 can be easily buckled in the first buckling arm 1.8; meanwhile, the limiting ribs 1.9 integrally extend from the longitudinal peripheral wall 1.3, the second inner side surface 1.9.1 of the limiting ribs 1.9 is overlapped or basically overlapped with the first inner side surface 1.8.1 of the first buckling arm 1.8, the second side edge 4.13 and the third side edge 4.11 of the door frame 4 can be limited, the door hook 4.3 is prevented from exerting reaction force to the door frame 4 through the spring 4.6 when the door is opened or closed, the door frame 4 is enabled to displace towards the second side edge 4.13 or the third side edge 4.11, the defect that the first buckling arm 1.8 is not firm in fixing the door frame 4 due to self elasticity is overcome, and the problem of microwave leakage or microwave ignition caused by displacement of the door frame 4 is prevented.
When the microwave oven is opened, the door hook 4.7 of the door hook piece 4.3 can cross the lug in the microwave oven box body in the opening process of the door, so that the door body is separated from the box body, and in the process, the door hook 4.7 can move upwards to cross the lug firstly and then reset downwards through the spring 4.6; because the door frame 4 is connected to the door hook 4.3 by the spring 4.6, the door hook 4.7 moves upward over the projection and simultaneously causes the door frame 4 to generate a biasing force that moves downward of the door body.
In addition, after the tooth groove 4.2 of the door frame 4 is clamped into the first fastening arm, the lower side edge of the door frame 4 is attached to the first inner side surface 1.8.1 of the first fastening arm 1.8 located at the lower side of the door frame 1, so as to prevent the door frame from being displaced towards the bottom of the door by the reaction force of the spring, the second inner side surface 1.9.1 of the limit rib 1.9 located at the lower side of the door frame is flush with the first inner side surface 1.8.1, and the door frame 4 can be prevented from being displaced downwards by the limit rib 1.9, so as to solve the technical problem: that is, the elastic first fastening arm 1.8 is used for facilitating the elastic fastening of the door frame 4, and meanwhile, in order to solve the elastic problem of the first fastening arm 1.8, the door frame 4 is easy to shift due to the reaction force of the door hook spring 4.6, the limiting rib 1.9 integrally extends from the longitudinal peripheral wall 1.3, and the second inner side surface 1.9.1 of the limiting rib 1.9 is flush with the first inner side surface 1.8.1, so that the door frame 4 is prevented from shifting upwards or downwards.
The door structure of the microwave oven further comprises a rear cover plate 5 connected with the door framework 4, the rear cover plate 5 is provided with a second buckling arm 5.2, the choke teeth 4.1 are provided with buckling holes 4.8, and the second buckling arm 5.2 is buckled in the buckling holes 4.8.
The outer side surface of the choke tooth 4.1 is provided with an inner concave rib 4.9 which is concave towards the inner direction of the door skeleton 4. The concave ribs 4.9 can strengthen the strength of the choke teeth 4.1.
The back of the transverse peripheral wall 1.4 is provided with a buckling block 1.10 corresponding to the fourth side 4.12 of the door framework 4, and the buckling block 1.10 integrally extends from the longitudinal peripheral wall 1.3 of the door frame 1; the door frame 4 and the door frame 1 are mutually assembled, and the fastening blocks 1.10 are fastened on the fourth side edge 4.12 of the door frame 4.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The door body structure of the microwave oven comprises a door frame (1) and a front glass plate (2), and is characterized in that a containing groove (1.1) for containing the front glass plate (2) is formed in the front surface of the door frame (1), a through hole (1.2) penetrating through the bottom wall of the containing groove (1.1) from front to back is formed in one side edge of the containing groove (1.1), the door body structure also comprises at least one fixing piece (3) for fixing the front glass plate (2), the fixing piece (3) penetrates through the through hole (1.2), one part of the fixing piece (3) is abutted against the front surface and/or the side wall of the front glass plate (2), and the other part of the fixing piece (3) is fixed in the rear side space of the containing groove (1.1) so that the front glass plate (2) is fixedly placed in the containing groove (1.1);
The door frame (1) comprises a longitudinal peripheral wall (1.3) and a transverse extension wall (1.4) extending towards the inner center direction of the door frame (1), the transverse extension wall (1.4) and the longitudinal peripheral wall (1.3) are mutually surrounded to form an annular accommodating groove (1.1), a through hole (1.2) is formed in one side edge of the transverse extension wall (1.4), a clamping column (1.5) is arranged on the back surface of the transverse extension wall (1.4), a fixing piece (3) is in a bent shape, the fixing piece (3) comprises a body (3.1), a first bending block (3.4) positioned at one end of the body (3.1), a second bending block (3.2) positioned at the other end of the body (3.1) penetrates through the hole (1.2), the first bending block (3.4) is abutted against the front surface of the front glass plate (2), the second bending block (3.2) is provided with a clamping groove (3.3), and the second bending block (3.2) is positioned on the back surface of the transverse extension wall (1.4); wherein, the clamping column (1.5) penetrates through the clamping groove (3.3) to enable the second bending block (3.2) to be clamped on the clamping column (1.5);
The microwave oven comprises a door frame (1), a door frame (4) connected with the door frame (1), a plurality of choke teeth (4.1) are arranged on the periphery of the door frame (4), tooth grooves (4.2) are formed between two adjacent choke teeth (4.1), a first side edge (4.10) of the door frame (4) is provided with a door hook piece (4.3), the door hook piece (4.3) is movably arranged on the door frame (4), a door body is closed towards the microwave oven body through the door hook piece (4.3), a first buckling arm (1.8) is arranged on the back surface of the transversely extending wall (1.4), the first buckling arm (1.8) is buckled in the tooth grooves (4.2), a buckling part of the first buckling arm (1.8) is separated from a longitudinal circumferential wall (1.3), a limit rib (1.9) is integrally extended towards the inner direction of the door frame (1), the first buckling arm (1.8) and the limit rib (1.9) are adjacently arranged, the door frame (4) and the buckling arm (1.8) and the first buckling arm (1.8) are mutually assembled on the first side edge and the second side edge (4.9) which are adjacent to the first side edge (4.4.3); the first buckling arm (1.8) is provided with a first inner side surface (1.8.1) facing the middle direction of the door frame (1); the limiting rib (1.9) is provided with a second inner side surface (1.9.1) facing the middle direction of the door frame (1), and the first inner side surface (1.8.1) is overlapped with the second inner side surface (1.9.1); or the first inner side surface (1.8.1) and the second inner side surface (1.9.1) are separated by a parallel distance S, and the parallel distance S is less than 0.5mm; the door framework is characterized in that a first side edge (4.10) of the door framework (4) is provided with a first hook (4.4), a door hook piece (4.3) is provided with a second hook (4.5) and a spring (4.6), the first hook (4.4), the spring (4.6) and the second hook (4.5) are sequentially connected, and the door hook piece (4.3) moves back and forth relative to the first side edge (4.10) of the door framework (4) through the spring (4.6);
The accommodating groove (1.1) is internally provided with adhesive, and the front glass plate (2) and the accommodating groove (1.1) are respectively adhered with the adhesive;
The body (3.1) and the second bending block (3.2) are mutually bent, and a crease (3.5) is formed between the body and the second bending block; or the body (3.1) and the second bending block (3.2) are connected through welding or hinging; the clamping groove (3.3) extends into the body (3.1).
2. The microwave oven door structure according to claim 1, characterized in that the back surface of the lateral extension wall (1.4) is provided with a glue groove (1.6) along the periphery of the clamping column (1.5), a hot melt adhesive is arranged in the glue groove (1.6), and the second bending block (3.2) and the hot melt adhesive are adhered to each other; the clamping column (1.5) is provided with a clamping hook (1.7), and the clamping column (1.5) penetrates through the clamping groove (3.3) and buckles the second bending block (3.2) through the clamping hook (1.7).
3. The door structure of the microwave oven according to claim 1, characterized by further comprising a back cover plate (5) connected with the door frame (4), wherein the back cover plate (5) is provided with a second buckling arm (5.2), the choke teeth (4.1) are provided with buckling holes (4.8), and the second buckling arm (5.2) is buckled in the buckling holes (4.8); an inner concave rib (4.9) which is concave towards the inner direction of the door framework (4) is arranged on the outer side face of the choke tooth (4.1).
4. The microwave oven door structure according to claim 1, characterized in that the via hole (1.2) is "U" -shaped.
5. The door structure of a microwave oven according to claim 1, characterized in that one side of the door frame (1) is provided with at least two through holes (1.2), the other side of the door frame (1) opposite to the through holes (1.2) is provided with a transverse slot (1.12) communicated with the accommodating groove (1.1), one side of the front glass plate (2) is inserted into the transverse slot (1.12), and the other side of the front glass plate (2) is limited and fixed by a plurality of fixing pieces (3).
6. The door structure of the microwave oven according to claim 5, characterized in that the back of the transversely extending wall (1.4) is provided with a fastening block (1.10) corresponding to the fourth side (4.12) of the door frame (4), the door frame (4) and the door frame (1) are assembled with each other, the fastening block (1.10) is fastened to the fourth side (4.12) of the door frame (4), and the fastening block (1.10) integrally extends from the longitudinal peripheral wall (1.3) of the door frame (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668308.6A CN110381622B (en) | 2019-07-23 | 2019-07-23 | Door structure of microwave oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910668308.6A CN110381622B (en) | 2019-07-23 | 2019-07-23 | Door structure of microwave oven |
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| CN110381622B true CN110381622B (en) | 2024-06-04 |
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| Publication number | Publication date |
|---|---|
| CN110381622A (en) | 2019-10-25 |
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