CN100516662C - Support sructure for control panel of microwave oven - Google Patents

Support sructure for control panel of microwave oven Download PDF

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Publication number
CN100516662C
CN100516662C CNB2004100719586A CN200410071958A CN100516662C CN 100516662 C CN100516662 C CN 100516662C CN B2004100719586 A CNB2004100719586 A CN B2004100719586A CN 200410071958 A CN200410071958 A CN 200410071958A CN 100516662 C CN100516662 C CN 100516662C
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CN
China
Prior art keywords
control panel
frame section
support
microwave oven
panel support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100719586A
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Chinese (zh)
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CN1752559A (en
Inventor
朴相东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNB2004100719586A priority Critical patent/CN100516662C/en
Publication of CN1752559A publication Critical patent/CN1752559A/en
Application granted granted Critical
Publication of CN100516662C publication Critical patent/CN100516662C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention discloses a control panel support structure of microwave oven. It includes several first frame-portion frames which are spaced and leftwards and rightwards arranged for fixing two ends of control panel glass, several second frame-portion frames which are spaced and upwards and downwards arranged and whose left and right ends are respectively connected with left and right frames of first frame-portion, a through open portion formed between first frame-portion and second frame-portion and a connection portion which is passed through said open portion and connected with second frame-portion frames.

Description

Support sructure for control panel of microwave oven
Technical field
What the present invention relates to is micro-wave oven, particularly be the support sructure for control panel of microwave oven that prevents the control panel deformation of timbering in more detail.
Background technology
Micro-wave oven is to utilize electric energy to produce ultrashort wave by magnetron, and ultrashort wave is radiated on the heating objects such as food a kind of device of cooking.Micro-wave oven can be divided into common microwave stove and ventilating hood-type microwave oven usually.Common microwave stove is placed on the kitchen cabinet top in the kitchen usually.Ventilating hood-type microwave oven is arranged on the wall on top such as gas burner, plays a part to ventilate.In addition, the opening and closing structure of door for microwave oven can be divided into common side opening and closing structure and rotary type opening and closing structure up and down usually, and the hinged below of Men Yiyu micro-wave oven main body in the rotary type opening and closing structure is the center up and down, rotates up and down.
Below with reference to Fig. 1, Fig. 2 the microwave oven of above-mentioned side open and close type door is described.
As shown in the figure, micro-wave oven comprises furnace chamber assembly 10, shell 20, door 30.Furnace chamber assembly 10 provides cooking space.Shell 20 is being encircled the outside of furnace chamber assembly 10, forms outward appearance.Door 30 opens and closes the front of furnace chamber assembly 10 with being allowed a choice.
Above-mentioned furnace chamber assembly 10 comprises furnace chamber 11, distribution chamber 13, front panel 15, base panel 17, back panel 19.Furnace chamber 11 is used to place the food of culinary art.Distribution chamber 13 is arranged on the sidepiece of furnace chamber 11, is provided with various electronic units.Each electronic unit is used to control furnace chamber 11 internal states.Front panel 15 is arranged on the front of furnace chamber 11, and base panel 17 is arranged on the bottom surface, and back panel 19 is arranged on the back side.
Furnace chamber 11 is to be used to place the food that will cook, and its bottom can be moved, so that allow food obtain uniform heating.Above-mentioned moving comprises rotation and move left and right.Under the bulky situation of food, use the move left and right mode usually.In addition, the side of furnace chamber is formed with a plurality of holes, can discharge inner vapor.
In order to support the bottom of furnace chamber 11, there is base panel 17 the furnace chamber bottom surface.The back side is formed with back panel 19, and back panel 19 is for from 13 back sides, distribution chamber of outer protection furnace chamber 11 and the panel that is provided with.Base panel 17 and back panel 19 are to be made by iron plate, so can protect furnace chamber 11 and distribution chamber 13 to avoid outside impact.
The distribution chamber 13 on furnace chamber 11 tops is used to carry out the electrical function of micro-wave oven.The fan electromotor assembly (figure slightly) that magnetron 13a (figure slightly), waveguide pipe (figure slightly), transformer (figure slightly), high-voltage capacitance (figure slightly) is installed in the distribution chamber 13 and is used to cool off each parts.Magnetron 13a is used to produce frequency electromagnetic waves.Waveguide pipe is used for the frequency electromagnetic waves that magnetron produces is guided into furnace chamber.Transformer and high-voltage capacitance (figure slightly) provide supply voltage to magnetron 13a.
The front of above-mentioned distribution chamber 13 and furnace chamber 11 possesses front panel 15.Be formed with the gate stop groove 15a and the hinge groove 15b that are used for shutter door 30 on the front panel 15.The top of front panel 15 is in conjunction with fore-stock 16.The control panel 40 that shows the furnace chamber state and be used to control micro-wave oven work is installed on the fore-stock 16.The front of control panel 40 possesses the button 40a of the various mode of operations of input.
The major function of shell 20 is protection furnace chamber assembly 10, and furnace chamber assembly 10 is used to carry out the major function of micro-wave oven.Be provided with all parts that are used to drive micro-wave oven in the furnace chamber assembly 10.Therefore, protect it to avoid entering of external impact and foreign matter.For this reason, shell 20 is made with iron plate usually.
Door 30 is arranged on the front of micro-wave oven, can open and close the front of furnace chamber 11 with being allowed a choice.Because the microwave in the micro-wave oven furnace chamber 11 is harmful, drive micro-wave oven during inside door 30 must locking furnace chamber 11 the front.Door 30 contacts with front panel 15, to be connected with the bottom of front panel 15 with hinge (figure summary).In addition, the upper rear portion of door 30 is formed with gate stop (figure slightly).Above-mentioned gate stop is combined closely with the gate stop groove 15a that is formed on the front panel 15, and door 30 is closely adhered on the front panel 15.
The back side of above-mentioned control panel 40 is provided with printed circuit board (PCB) 43, circuit board support 45, control panel support 50.The signal that printed circuit board (PCB) 43 is handled by button 40a input.Circuit board support 45 is used for fitting printed circuit board 43.Circuit board support 45 is fixed on the control panel 50.Be provided with control panel glass 41 between the front of the back side of control panel 40 and control panel support 50.Control panel glass 41 passes the signal of button 40a to printed circuit board (PCB) 43.Printed circuit board (PCB) 43 is provided with microprocessor (figure slightly).
As shown in Figure 3, control panel support 50 be shaped as rectangular frame, edge part is to projecting inward.Edge part is prolonged by framework and forms.Control panel support 50 is arranged on the back side of control panel 40, so its shape is corresponding with control panel 40 back sides.
Above-mentioned control panel support 50 is made of the 1st frame section framework 53a, 53b and the 2nd frame section framework 57a, 57b.Rectangular the 1st frame section framework 53a, 53b lay respectively at control panel support 50 left and right sides.The 2nd frame section framework 57a, 57b lay respectively at control panel support 50 upper and lower sides, and its both ends horizontal connects the 1st frame section framework 53a, 53b.In addition, between the 1st frame section framework 53a, 53b and the 2nd frame section framework 57a, the 57b vertical mutually and form before and after the opening portion 55 of perforation.
The 2nd frame section framework 57a, 57b are made of the strip floor of certain height, and top rear face inwardly prolongation is formed with hook-type projection 51.The downward warpage in the end of hook-type projection 51 can make control panel support 50 be easy to be fixed on the fore-stock 16.
In the said structure, the process that control panel 40, circuit board support 45, control panel glass 41 and control panel support 50 are set on fore-stock 16 is as follows.
At first in the front edge portion of control panel support 50, coat fluid sealant (figure slightly) with bonding composition after, control panel glass 41 is pasted the front of control panel support 50.In order to prevent moving about of control panel glass 41 before the sealing glue solidifying, S fixes with screw.Then, under the situation of permanent circuit board mount 45 on the back side of control panel support 50, again control panel 40 is installed to the front of control panel support 50, that is, and the front of control panel glass 41.
Above-mentioned control panel of having assembled 40 and circuit board support 45, control panel glass 41, control panel support 50 are by being fixed to the front of fore-stock 16 to projecting inward hook-type projection on the control panel support 50.
But there are the following problems for the control panel support 50 in the said structure.
This control panel support 50 is used mold injection molding.That is, after synthetic resin raw material heating liquefaction, be injected in the mould.But behind the synthetic resin cooling curing, can produce a certain amount of contraction.So when making of mold injection, design size is larger than required actual size usually.
But the size of the 2nd frame section framework 57a, the 57b of control panel support 50 is relatively less than the size of the 1st frame section framework 53a, 53b.So, during cooling curing, the quick solidifying of the 2nd frame section framework 57a, 57b some, the curing of the 1st frame section framework 53a, 53b is slow relatively.The difference of this curing rate makes and produces distortion between the 1st frame section framework 53a, 53b and the 2nd frame section framework 57a, the 57b.And then control panel support 50 is twisted.
As 50 distortions of control panel support, the shape at the then above-mentioned control panel back side also can change.And then can't be assembled into control panel and control panel support 50 together.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of with the tighten control control panel supporting structure of panel rack intensity of connecting portion.
The technical scheme that the technical solution problem is adopted is: a kind of support sructure for control panel of microwave oven, arrange about including at certain intervals, and fixing several the 1st frame section frameworks at control panel glass two ends; Be arranged above and below at certain intervals, end connects several the 2nd frame section frameworks of the 1st frame section left and right sides framework that is positioned at control panel glass two ends respectively about it; The opening portion that connects before and after forming between the 1st frame section and the 2nd frame section also includes connecting portion, and this connecting portion passes the space, opening portion, and connects the 2nd frame section framework.
The number of described connecting portion is a plurality of.
Described connecting portion is made of floor, and described floor and control panel support are integrally formed.
Described connecting portion is made of individual components.
Described individual components has plate shape shape.
Described individual components is the gripper shoe of quadra.
The invention has the beneficial effects as follows: in the structure of control panel of microwave oven support of the present invention, in the space of opening portion, the 2nd frame section has added the floor or the individual components of the upper and lower framework that supports the 2nd frame section.And then, by adding floor or individual components, can prevent the distortion of control panel support.
Simultaneously, the anti-deformation measure of control panel support, the micro-wave oven product quality after can improving the control panel support and having assembled.
Description of drawings
Fig. 1 is the schematic perspective view of common microwave stove;
Three-dimensional exploded view when Fig. 2 is arranged on the fore-stock for conventional art control panel of microwave oven support;
Fig. 3 is a conventional art control panel supporting structure schematic rear view;
Fig. 4 is provided with the micro-wave oven front three-dimensional exploded view of control panel support for the present invention;
Three-dimensional exploded view when Fig. 5 is arranged on the fore-stock for control panel of microwave oven support of the present invention;
Fig. 6 is the schematic rear view of control panel support among the present invention the 1st embodiment;
Fig. 7 is the schematic rear view of the present invention's the 2nd embodiment control panel support.
Accompanying drawing critical piece remarks
150: front panel 160: fore-stock
160a: depressed part 200: control panel
210: control panel glass 230: printed circuit board (PCB)
300: control panel support 310: the hook-type projection
330a, 330b: the 1st frame section framework 350: opening portion
370a, 370b: the 2nd frame section framework 400: floor
400a: joggling part 500: gripper shoe
The specific embodiment
With reference to the accompanying drawings support sructure for control panel of microwave oven of the present invention is elaborated.With the parts of conventional art same section, use the drawing symbol in the conventional art.
Fig. 4 is provided with the micro-wave oven front three-dimensional exploded view of control panel support for the present invention;
Above-mentioned front panel 150 forms the front of furnace chambers 110, for fore-stock 160 and shell (figure slightly) combined outside, all vertical warpage in four sides forms.
On the top of front panel 150, be combined with fore-stock 160.The control panel 200 that shows furnace chamber 110 states and be used to control micro-wave oven work is housed on the fore-stock 160.Fore-stock 160 has depression slot part 160a, and depression slot part 160a than the front of front panel 150 more inwardly.As shown in the figure, fore-stock 160 forms the shape of depression by the warpage of edge part.
The reason that fore-stock 160 fronts need possess depression slot part 160a is that the control panel support 300 of accommodating printed circuit board (PCB) 230 and control panel glass 210 will be set on fore-stock 160.The printed circuit board (PCB) 230 of control micro-wave oven is arranged on control panel 200 inboards, and control panel 200 is arranged on the above-mentioned fore-stock 160.By control panel glass 210, can receive signal by button 200a input.Wherein circuit board support 250 is used for fitting printed circuit board 230.
To being arranged on control panel support 300 structures of depression slot part 160a, promptly the 1st embodiment describes below with reference to Fig. 5, Fig. 6.
Control panel support 300 is made of the 1st frame section framework 330a, 330b and the 2nd frame section framework 370a, 370b.Rectangular the 1st frame section framework 330a, 330b lay respectively at control panel support 300 left and right sides.The 2nd frame section framework 370a, 370b lay respectively at control panel support 300 upper and lower sides, and its both ends horizontal connects the 1st frame section framework 330a, 330b.Be formed with rectangular opening portion 350 between the 1st frame section framework 330a, 330b and the 2nd frame section framework 370a, the 370b.Be provided with the floor 400 of vertical connection the 2nd frame section framework 370a, 370b in the space of passing opening portion 350.
Floor 400 is shaped as the U font, and thickness is identical with the full depth of control panel support 300.But when specifically implementing, thickness can be thickeied as required, also can attenuate.The upper end of floor 400 is fixed on the 2nd frame section framework 370a back side, and its bottom is fixed on the 2nd frame section framework 370b back side.The top and bottom portion of floor 400 is formed with joggling part 400a.The joggling part 400a of upper and lower end is positioned at the place of closing on floor 400 and the 2nd frame section framework 370a, 370b adjacency.Between the back side of floor 400 and the 2nd frame section framework 370a, 370b, just formed specific space.Form this space, can prevent that floor 400 and control panel glass 210 generations that are fixed on control panel support 300 fronts from interfering with each other.
Floor 400 lays respectively at the left and right sides of opening portion 350.This structure can support strip the 2nd frame section framework 370a, 370b uniformly.Floor 400 quantity can design as required.
In order to make facility, above-mentioned floor 400 and control panel support 300 are said so more specifically and the 2nd frame section 370a, 370b form one.For same purpose, when adopting other material, also can after forming floor 400, connect the 2nd frame section framework 370a, 370b with assembling parts or bonding agent again.
Below with reference to Fig. 7 the 2nd embodiment connecting portion is described.
Connect the gripper shoe 500 that space that the 1st frame section framework 330a, 330b form opening portion 350 is provided with vertical connection the 2nd frame section framework 370a, 370b in the 2nd frame section framework 370a, 370b level.
Gripper shoe 500 is a quadra.The upper and lower side frame of gripper shoe 500 is connected to the back side of the 2nd frame section framework 370a, 370b.Its left and right side frame passes opening portion 350, connects the 2nd frame section framework 370a, 370b.This gripper shoe 500 can support the parts that other connects the 2nd frame section framework 370a, 370b simultaneously.
Below control panel support 300 forming processes with floor 400 are described as follows.
At first, make the mould of additional floor 400 back shapes on the control panel support 300.Then, in the mould of making, inject the liquid synthetic resin material, carry out the cooling curing of a period of time after, just can produce the control panel support 300 that the present invention adds floor 400.The control panel support of producing 300 in solidification process, even the 1st frame section framework 330a, 330b are different with the cooling curing speed of the 2nd frame section framework 370a, 370b, because of floor 400 of the present invention supports, can not produce torsional deformation yet.
Below control panel support 300 assembling process that are suitable for structure of the present invention are described.
At first, coat in the front of control panel support 300 into cementability fluid sealant (figure slightly).Control panel glass 210 is close to the front of control panel support 300 before sealing glue solidifying, S fixes with screw, prevents moving about of control panel glass 210.Then,, and the front that control panel 200 is attached to control panel glass 210 come up, can finish assembling at the back side of control panel support 300 fixed printed circuit board 230.
The above-mentioned control panel that has assembled 200, printed circuit board (PCB) 230, control panel glass 210 and control panel support 300 are fixed on the front of fore-stock 160 by being positioned at the hook-type projection 310 to projecting inward formation at control panel support 300 back sides.
Said structure can make the control panel support firmer, can improve the quality of control panel support, and then guarantees the stable of micro-wave oven product quality.
Embodiment accompanying drawing provided by the invention and method, the just example of lifting for concrete statement the technology of the present invention thought.Indubitable, in basic fundamental thought range of the present invention, also can there be improving one's methods of a lot of aspects.Interest field of the present invention should make an explanation based on accompanying right request scope.

Claims (6)

1. support sructure for control panel of microwave oven is arranged about including at certain intervals, and fixing several the 1st frame section frameworks at control panel glass two ends; Be arranged above and below at certain intervals, end connects several the 2nd frame section frameworks of the 1st frame section left and right sides framework that is positioned at control panel glass two ends respectively about it; The opening portion that connects before and after forming between the 1st frame section and the 2nd frame section is characterized in that also including connecting portion, and this connecting portion passes space, opening portion (350), and connects the 2nd frame section framework (370a, 370b).
2. according to the support sructure for control panel of microwave oven described in the claim 1, the number that it is characterized in that described connecting portion is a plurality of.
3. according to the support sructure for control panel of microwave oven described in the claim 1, it is characterized in that described connecting portion is made of floor (400), described floor (400) is integrally formed with control panel support (300).
4. according to the support sructure for control panel of microwave oven described in the claim 1, it is characterized in that described connecting portion is made of individual components.
5. according to the support sructure for control panel of microwave oven described in the claim 4, it is characterized in that described individual components has plate shape shape.
6. according to the support sructure for control panel of microwave oven described in the claim 5, it is characterized in that described individual components is the gripper shoe (500) of quadra.
CNB2004100719586A 2004-09-20 2004-09-20 Support sructure for control panel of microwave oven Expired - Fee Related CN100516662C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100719586A CN100516662C (en) 2004-09-20 2004-09-20 Support sructure for control panel of microwave oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100719586A CN100516662C (en) 2004-09-20 2004-09-20 Support sructure for control panel of microwave oven

Publications (2)

Publication Number Publication Date
CN1752559A CN1752559A (en) 2006-03-29
CN100516662C true CN100516662C (en) 2009-07-22

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CN (1) CN100516662C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113411929A (en) * 2020-03-17 2021-09-17 宏硕系统股份有限公司 Waveguide tube for microwave heating device and microwave heating device
TWI764108B (en) * 2020-03-17 2022-05-11 宏碩系統股份有限公司 Waveguide of microwave heating device and microwave heating device
US11558938B2 (en) 2020-04-20 2023-01-17 Wave Power Technology Inc. Microwave heating device and microwave guiding tube thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113411929A (en) * 2020-03-17 2021-09-17 宏硕系统股份有限公司 Waveguide tube for microwave heating device and microwave heating device
TWI764108B (en) * 2020-03-17 2022-05-11 宏碩系統股份有限公司 Waveguide of microwave heating device and microwave heating device
CN113411929B (en) * 2020-03-17 2024-02-20 宏硕系统股份有限公司 Waveguide of microwave heating device and microwave heating device
US11558938B2 (en) 2020-04-20 2023-01-17 Wave Power Technology Inc. Microwave heating device and microwave guiding tube thereof

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Granted publication date: 20090722

Termination date: 20110920