CN207763000U - Security protection electromagnetic oven - Google Patents
Security protection electromagnetic oven Download PDFInfo
- Publication number
- CN207763000U CN207763000U CN201721751057.0U CN201721751057U CN207763000U CN 207763000 U CN207763000 U CN 207763000U CN 201721751057 U CN201721751057 U CN 201721751057U CN 207763000 U CN207763000 U CN 207763000U
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- protective cover
- elastic spacing
- spacing muscle
- electromagnetic oven
- security protection
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Abstract
The utility model discloses security protection electromagnetic ovens, belong to electromagnetic heating technique field, it solves protective cover in the prior art and deforms and cause after warping the technical problem of waterproof and vermins-proof effect difference, security protection electromagnetic oven in the utility model, including pedestal knead dough cap assemblies, circuit board is installed on the pedestal, the circuit board is equipped with electronic component and the protective cover for being provide with electronic component, the security protection electromagnetic oven further includes the elastic spacing muscle for carrying out vertical spacing to the protective cover, the elastic spacing muscle is located on the protective cover or cover component.
Description
【Technical field】
The utility model is related to electromagnetic heating technique field more particularly to electromagnetic ovens.
【Background technology】
When in use, water, greasy dirt, insect etc. can enter electromagnetic oven to electromagnetic oven by air inlet and outlet in the prior art
Inside, to solve such technical problem, it is anti-to provide a kind of waterproof at the problem of causing short circuit, open circuit potential plate in the prior art
Worm electromagnetic oven comprising shell, loaded on the circuit board in shell, circuit board is equipped with electronic component and is located on electronic component
Protective cover, protective cover can be sealed electronic component protection, to solve to burn out circuit because of water inlet or piercing for insect
The problem of plate.However during practical set or use, the phenomenon which can deform and warp, to and circuit
Gap is formed between plate, the phenomenon that water and insect can enter in protective cover from the gap and circuit board caused to burn out, shadow
The normal use of electromagnetic oven is rung.
【Utility model content】
A kind of security protection is provided the technical problem to be solved by the utility model is to overcome the deficiencies in the prior art
Electromagnetic oven can carry out protective cover vertical limit, and serious deformation occurs to avoid protective cover or warps, improves electromagnetism
The waterproof and vermins-proof effect of stove.
In order to solve the above technical problems, the utility model adopts the following technical solution：
Security protection electromagnetic oven, including pedestal knead dough cap assemblies, are equipped with circuit board on the pedestal, on the circuit board
Protective cover equipped with electronic component and for being provide with electronic component, the security protection electromagnetic oven further include for the protection
Cover carries out the elastic spacing muscle of vertical spacing, and the elastic spacing muscle is located on the protective cover or cover component.
In above-mentioned security protection electromagnetic oven, the cover component includes upper cover and the panel that is installed on the upper cover, described
Elastic spacing muscle sets on the cover and extends towards the protective cover direction, to carry out vertical spacing to the protective cover.
In above-mentioned security protection electromagnetic oven, the elastic spacing muscle is from the madial wall of the framework towards the center of framework
Direction, which tilts down, to be extended to form.
In above-mentioned security protection electromagnetic oven, the elastic spacing muscle at least has there are one bending.
In above-mentioned security protection electromagnetic oven, the distance between the elastic spacing muscle and the protective cover are less than 2mm.
In above-mentioned security protection electromagnetic oven, there is boss, the elastic spacing muscle to be located at institute for the top surface of the protective cover
It states above boss；Or the elastic spacing muscle offsets with the boss.
In above-mentioned security protection electromagnetic oven, the elastic spacing muscle is that face contacts or line contacts with the protective cover.
In above-mentioned security protection electromagnetic oven, the thickness of the elastic spacing muscle is 4mm~8mm.
In above-mentioned security protection electromagnetic oven, the elastic spacing muscle is upwardly extended by the top surface of the protective cover to be formed,
The cover component offsets with the elastic spacing muscle to carry out vertical spacing to the protective cover.
In above-mentioned security protection electromagnetic oven, the electronic component includes low heat-generating electronic elements and thermoelectron occurred frequently member
Part, the low heat-generating electronic elements are placed in the protective cover, and the protective cover is fixed on by screw on circuit board.
The beneficial effects of the utility model：
The electromagnetic oven of the utility model, including pedestal knead dough cap assemblies are equipped with circuit board on pedestal, and circuit board is equipped with
Electronic component and protective cover for being provide with electronic component, electromagnetic oven further include the elasticity on protective cover or cover component
Limit rib, elastic spacing muscle can be used for carrying out vertical spacing to protective cover, occur in a vertical direction to avoid protective cover tight
The deformation of weight warps and leads between protective cover and circuit board that there are excessive gaps, causes the entrance of water and insect；In addition,
The elastic spacing muscle of the utility model can be according to protection since certain flexible deformation, elastic spacing muscle itself can occur
The deformation of cover and the degree of warping are adaptively adjusted, to ensure in the case where securely crimping limit can be carried out to protective cover,
It can also avoid that protective cover is applied excessive forces and leads to that excessive debossing interventions internal electronic element occurs at the top of protective cover, simultaneously
Machining accuracy and the assembly precision requirement of protective cover and elastic spacing muscle can also be reduced；Finally, due to which elastic spacing muscle can be right
Protective cover carries out vertical spacing, therefore can be shaken in furnace chamber to avoid protective cover and generate noise, and improve user uses body
It tests.
Cover component includes upper cover and the panel that is installed on the upper cover, and elastic spacing muscle is located on lid and towards protective cover
Direction extends, to carry out vertical spacing to protective cover.Elastic spacing muscle is located on lid, can be convenient for elastic spacing muscle and upper cover
It is integrally machined molding.
Upper cover is framework, and the center position of elastic spacing muscle from madial wall towards the framework of framework tilts down extension shape
At.So design, can make the position that elastic spacing muscle is connect with framework that certain flexible deformation occur, and then reach elastic compression joint
The effect of protective cover, structure are relatively simple；Design so simultaneously, can also be such that protective cover is installed far from base side wall, to avoid anti-
Shield interferes when installing with pedestal.
Elastic spacing muscle at least has there are one bending.So design, the elasticity that can increase elastic spacing muscle by bending become
Shape ability fractures to avoid elastic spacing muscle.
The distance between elastic spacing muscle and protective cover are less than 2mm.So design, can avoid effectively avoiding insect and water
Entrance, when the distance between elastic spacing muscle and protective cover are more than 2mm, gap between circuit board after protective cover warps
2mm can be more than, insect, which can enter in protective cover, at this time causes circuit board to burn out.
There is boss, elastic spacing muscle to be located above boss for the top surface of protective cover；Or elastic spacing muscle offsets with boss.
The design of boss can enhance the structural strength of protective cover roof, and gross distortion occurs when the roof of protective cover being avoided to be crimped.
Elastic spacing muscle is that face contacts or line contacts with protective cover.So design, it is possible to increase the stress of protective cover roof
Area, and then the stability of crimping is improved, ensure the waterproof and vermins-proof effect of protective cover.
The thickness of elastic spacing muscle is 4mm~8mm.So design, it is certain both to have can guarantee that elastic spacing muscle can occur
Flexible deformation, and can guarantee that elastic spacing muscle acts on the crimping of protective cover；When the thickness of elastic spacing muscle is less than 4mm, bullet
Property limit rib is applied to that the crimp force on protective cover is smaller, not firm to the crimping of protective cover；When the thickness of elastic spacing muscle is big
When 8mm, the elastic deformability of elastic spacing muscle is weaker, after mounting, protective cover roof is easily made to generate larger recess and do
Internal electronic element is related to, electronic component is caused to damage.
Electronic component includes low heat-generating electronic elements and high heat-generating electronic elements, and low heat-generating electronic elements are placed in protective cover
Interior, protective cover is fixed on by screw on circuit board.So design, can the low heat-generating electronic elements of effective protection, simultaneously
The fixed mode of screw can also further prevent protective cover to warp phenomenon.
These features and advantages of the utility model will the detailed exposure in following specific implementation mode, attached drawing.
【Description of the drawings】
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the configuration schematic diagram of electromagnetic oven in the utility model embodiment one；
Fig. 2 is the half-section diagram of electromagnetic oven in the utility model embodiment one；
Fig. 3 is the close-up schematic view of A in Fig. 2；
Fig. 4 is the structural schematic diagram of upper cover in the utility model embodiment one；
Fig. 5 is the structural schematic diagram of protective cover in the utility model embodiment two.
Reference numeral：
1, pedestal；2, upper cover；3, panel；4, circuit board；5, protective cover；51, boss；6, elastic spacing muscle.
【Specific implementation mode】
The utility model provides a kind of security protection electromagnetic oven, including pedestal knead dough cap assemblies, and electricity is equipped on pedestal
Road plate, circuit board are equipped with electronic component and the protective cover for being provide with electronic component, and electromagnetic oven further includes being mounted on protective cover
Or the elastic spacing muscle on cover component, elastic spacing muscle can be used for carrying out vertical spacing to protective cover, to avoid protective cover
Serious deformation occurs in a vertical direction or warps and leads between protective cover and circuit board that there are excessive gaps, causes water
With the entrance of insect；In addition, the elastic spacing muscle of the utility model is due to that itself can occur certain flexible deformation, it is elastic
Limit rib can be adaptively adjusted according to the deformation and the degree of warping of protective cover, to ensure that protective cover can be being carried out securely
It in the case of crimping limit, can also avoid that protective cover is applied excessive forces and leads to that excessive debossing interventions occur at the top of protective cover
Internal electronic element, while machining accuracy and the assembly precision requirement of protective cover and elastic spacing muscle can also be reduced；Finally, due to
Elastic spacing muscle can carry out protective cover vertical spacing, therefore can be shaken in furnace chamber to avoid protective cover and generate noise, carry
The high usage experience of user.
The technical solution of the utility model embodiment is explained with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiment without making creative work, belongs to the utility model
Protection domain.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify to describe, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Embodiment one,
Referring to Fig.1-4, the electromagnetic oven that the utility model embodiment one proposes, including 1 knead dough cap assemblies of pedestal, cover component
Panel 3 including upper cover 2 and in upper cover 2, cover component be fixedly mounted on pedestal 1 by upper cover 2 and with 1 shape of pedestal
At furnace chamber, the circuit board 4 in furnace chamber is installed on pedestal 1, circuit board 4 is equipped with electronic component and protective cover 5, electronics member
Part includes low heat-generating electronic elements and high heat-generating electronic elements, and low heat-generating electronic elements include mainly microcurrent electronic component,
Such as wire resistor, diode, triode, wire jumper etc., high heat-generating electronic elements can be IGBT, rectifier bridge, filter inductance, resonance
The electronic components such as capacitance.Protective cover 5 is located on low heat-generating electronic elements, and passes through screw or buckle or screw and buckle
Cooperation is fixed on the circuit board 4.
During the assembly of electromagnetic oven or use, the phenomenon that protective cover 5 can deform and warp, to and circuit board
Excessive gap is formed between 4, water and insect can enter in protective cover 5 from the gap and low heat-generating electronic elements caused to occur
The phenomenon that burning out affects the normal use of electromagnetic oven.
Upper cover 2 is equipped with elastic spacing muscle 6 in the present embodiment, and upper cover 2 is framework, elastic spacing muscle 6 and framework one at
Type, specifically, elastic spacing muscle 6 in the present embodiment by framework madial wall towards upper cover 2 center position and tilt down
It extends to form, the bottom end of the elastic spacing muscle 6 after extension and the roof of protective cover 5 offset and be interference fitted on a small quantity, with to protection
Cover 5 carries out crimping and vertical spacing, avoids protective cover 5 that serious deformation occurs in a vertical direction or warps and leads to protective cover
There are excessive gaps between 5 and circuit board 4, cause the entrance of water and insect.Vertical in the present embodiment refer to electromagnetic oven just
The fuselage short transverse being often used under state.
In addition, since elastic spacing muscle 6 is to extend obliquely downward, the position energy that elastic spacing muscle 6 is connect with framework
Certain flexible deformation enough occurs, it is especially higher or elastic spacing muscle 6 processes longer situation in 5 installation site of protective cover
Under, under the action of protective cover 5 flexible deformation can occur for elastic spacing muscle 6, so that the bottom end of elastic spacing muscle 6 can generate
Certain distance moves up, and avoids the roof of 6 excessive compression protective cover 5 of elastic spacing muscle, causes the roof part of protective cover 5
Excessively it is recessed and the low heat-generating electronic elements inside damage, and elastic spacing muscle 6 can also be right under the action of own resilient at this time
There is protective cover 5 certain crimping effect to play waterproof, the effect of insect prevention to ensure that the bottom end of protective cover 5 is developed with circuit board 4
Fruit；Secondly as the bottom end of elastic spacing muscle 6 can generate upward movement, therefore protective cover 5 and elastic spacing can be reduced
Machining accuracy and the assembly precision requirement of muscle 6；Secondly, elastic spacing muscle 6 extends towards upper cover center position, can make protective cover
5 install far from base side wall, are interfered with pedestal 1 when being installed to avoid protective cover 5；Finally, due to which elastic spacing muscle 6 can
Vertical spacing is carried out to protective cover 5, therefore can be shaken in furnace chamber to avoid protective cover 5 and generate noise, improves making for user
With experience.
Elastic spacing muscle 6 in the present embodiment at least has there are one bending, in order to reduce the processing of processing elastic spacing muscle 6
Difficulty, there are one bendings for 6, elastic spacing muscle in the present embodiment, that is, elastic spacing muscle 6 is in bending, elastic spacing muscle
6 extend a distance into towards the center position of upper cover 2 from the madial wall of framework and are crimped on after bending on protective cover 5, and such one
Come, flexible deformation can occur for bending part to increase the integral, flexible deformability of elastic spacing muscle 6, avoid elastic spacing muscle
6 fracture, and extend the service life of elastic spacing muscle 6.
In order to make the bending part of elastic spacing muscle 6 and flexible deformation, the present embodiment occurs with the connecting portion of framework
In elastic spacing muscle 6 thickness H be 4mm~8mm, thus, both can guarantee that certain bullet can occur for elastic spacing muscle 6
Property deformation, and can guarantee that elastic spacing muscle 6 acts on the crimping of protective cover 5；When thickness H is less than 4mm, elastic spacing muscle 6
Bending part and be in flexible state with the connecting portion of framework, causes the crimp force being applied on protective cover 5 smaller or almost nil,
It is not firm to the crimping of protective cover 5；When thickness H is more than 8mm, the elastic deformability of elastic spacing muscle 6 is weaker, in protective cover
When 5 installation sites are excessively high or elastic spacing muscle 6 is longer, elastic spacing muscle 6 easily makes 5 roof of protective cover generate larger recess and interfere
To internal electronic element, electronic component is caused to damage.For this purpose, the preferred 5mm of thickness H in the present embodiment, certainly, optionally, thick
It can be 4mm, 4.5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm and 8mm etc. to spend H also, as long as between 4mm and 8mm,
Here will not enumerate, it is above-mentioned it is listed be only preferred embodiment, be not used for limiting this range.
Finally, the elastic spacing muscle 6 in the present embodiment is that face contacts or line contacts with protective cover 5.So design, can increase
The forced area of 5 roof of big protective cover, and then the stability of crimping is improved, ensure the waterproof and vermins-proof effect of protective cover 5.
It is understood that those skilled in the art elastic spacing muscle can be also arranged to extend to form straight down it is curved
Bent muscle, that is, elastic spacing muscle extend a distance into offset with protective cover after bending at least once straight down, elasticity
Limit rib is fixed on the bottom surface of framework by bonding or integrally formed mode, so designs, can also reach the base of the present embodiment
This effect, this will not be detailed here.
Embodiment two,
As shown in figure 5, compared with embodiment one, the present embodiment the difference is that, in order to enhance 5 roof of protective cover with
The top surface of the structural strength of 6 contact site of elastic spacing muscle, the protective cover 5 in the present embodiment has boss 51, and boss 51 is by preventing
Recess is formed upwards for the roof part of shield 5, and elastic spacing muscle 6 offsets with boss 51, to be pressed downward taking over control shield 5, is ensured anti-
Shield 5 is developed with circuit board 4.
Embodiment three,
In embodiment one and embodiment two, when elastic spacing muscle 6 and protective cover 5 are interference fitted on a small quantity, elastic spacing
Muscle 6 can be by upward power, therefore upper cover 2 also can be caused upper cover 2 to be filled with pedestal 1 when being assemblied on pedestal 1 by upward power
With having some setbacks.In order to solve the above-mentioned technical problem, distance is less than between the elastic spacing muscle 6 in the present embodiment and protective cover 5
2mm, that is, elastic spacing muscle 6 and 5 clearance fit of protective cover or both are contacted without acting power, and upper cover is avoided with this
2, when mounted by the power of interference and the application of protective cover 5, ensure that the smooth installation of upper cover 2 and pedestal；Simultaneously in protective cover
After 5 deform or warp, elastic spacing muscle 6 can be offseted with 5 elasticity of protective cover, the change for being more than 2mm to avoid the generation of protective cover 5
Shape warps, to effectively avoid the entrance of insect and water.When the distance between elastic spacing muscle 6 and protective cover 5 are more than 2mm
When, gap between circuit board 4 can be more than 2mm after protective cover 5 warps, and insect, which can enter in protective cover 4, at this time causes circuit
Plate is burnt out.
Example IV,
Compared with embodiment one, the present embodiment the difference is that, elastic spacing muscle is located on the roof of protective cover 5 simultaneously
It upwardly extends to be formed, i.e.,：Elastic spacing muscle extend a distance into straight up and after bending at least once and with panel 3 or
Upper cover 2 offsets, and so designs, can also reach the basic effect of the present embodiment, this will not be detailed here.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but not limited to attached drawing and specific embodiment party above
Content described in formula.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
Range in.
Claims (10)
1. security protection electromagnetic oven, including pedestal knead dough cap assemblies, circuit board is installed on the pedestal, is set on the circuit board
There are electronic component and the protective cover for being provide with electronic component, which is characterized in that the security protection electromagnetic oven further includes being used for
The elastic spacing muscle of vertical spacing is carried out to the protective cover, the elastic spacing muscle is located at the protective cover or cover component
On.
2. security protection electromagnetic oven according to claim 1, which is characterized in that the cover component includes upper cover and installation
Panel on upper lid, the elastic spacing muscle sets on the cover and extends towards the protective cover direction, with to described
Protective cover carries out vertical spacing.
3. security protection electromagnetic oven according to claim 2, which is characterized in that the upper cover is framework, the elasticity limit
The center position of position muscle from madial wall towards the framework of the framework, which tilts down, to be extended to form.
4. security protection electromagnetic oven according to claim 3, which is characterized in that there are one the elastic spacing muscle at least has
Bending.
5. security protection electromagnetic oven according to claim 2, which is characterized in that the elastic spacing muscle and the protective cover
The distance between be less than 2mm.
6. security protection electromagnetic oven according to claim 5, which is characterized in that the top surface of the protective cover has boss,
The elastic spacing muscle is located above the boss；Or the elastic spacing muscle offsets with the boss.
7. the security protection electromagnetic oven according to one of claim 2 to 6, which is characterized in that the elastic spacing muscle and institute
It is face contact or line contact to state protective cover.
8. the security protection electromagnetic oven according to one of claim 2 to 6, which is characterized in that the thickness of the elastic spacing muscle
Degree is 4mm~8mm.
9. security protection electromagnetic oven according to claim 1, which is characterized in that the elastic spacing muscle is by the protective cover
Top surface upwardly extend to be formed, the cover component offsets with the elastic spacing muscle vertically to be limited the protective cover
Position.
10. security protection electromagnetic oven according to claim 1, which is characterized in that the electronic component includes low heating electric
Subcomponent and high heat-generating electronic elements, the low heat-generating electronic elements are placed in the protective cover, and the protective cover passes through screw
And/or buckle is fixed on circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751057.0U CN207763000U (en) | 2017-12-15 | 2017-12-15 | Security protection electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751057.0U CN207763000U (en) | 2017-12-15 | 2017-12-15 | Security protection electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763000U true CN207763000U (en) | 2018-08-24 |
Family
ID=63186591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721751057.0U Active CN207763000U (en) | 2017-12-15 | 2017-12-15 | Security protection electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890246A (en) * | 2018-09-10 | 2020-03-17 | 群光电子股份有限公司 | Key device |
-
2017
- 2017-12-15 CN CN201721751057.0U patent/CN207763000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890246A (en) * | 2018-09-10 | 2020-03-17 | 群光电子股份有限公司 | Key device |
| CN110890246B (en) * | 2018-09-10 | 2021-11-05 | 群光电子股份有限公司 | Key device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |