CN1816260A - Injection-moulded housing component - Google Patents
Injection-moulded housing component Download PDFInfo
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- CN1816260A CN1816260A CN 200510042095 CN200510042095A CN1816260A CN 1816260 A CN1816260 A CN 1816260A CN 200510042095 CN200510042095 CN 200510042095 CN 200510042095 A CN200510042095 A CN 200510042095A CN 1816260 A CN1816260 A CN 1816260A
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- injection
- housing component
- moulded housing
- reinforcement
- inside bottom
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Abstract
The injection molding shell body is in shallow basin. Outside is as external appearance and surface of use. Inward raised connection parts in use for connecting with adjacent parts are setup on periphery inside surface of base. Inward raised cellulated reinforced ribs connected to each other are overspread on surface inside base. Advantages are: excellent mechanical property, reduced thickness of base, weight of injection molding shell body, consumed material and fabricating cost.
Description
Technical field
The present invention relates to a kind of parts of home appliances, particularly relate to a kind of household electrical appliance parts of injection moulding processing.
Technical background
The housing of household electrical appliance for consideration heat-resisting and insulation, uses phenolic moulding powder or plastics through injection moulding hot-pressing housing component usually.Injection-moulded housing component is shallow pot shape usually, and the outside is outward appearance and use face, and the periphery on inside bottom surface is provided with for the inwardly protruded connecting portion that is connected with adjacent component.The bigger bakeware of area all will be contained in for example electric upper and lower bakelite shell inside bottom surface of frying in shallow oil roasting device, thereby its bottom surface area is big; Have enough mechanical strengths in order to guarantee again, the wall thickness of its bottom will be done thicklyer; Cause whole injection-moulded housing component weight big, consumption phenolic moulding powder quantity is many.Under the situation that phenolic moulding powder and plastic material unit price rise steadily, each household electrical appliance manufacturer all wishes to research and develop the injection-moulded housing component structure that makes new advances, under the constant situation of whole outward appearance and profile intensity, alleviate the weight of injection-moulded housing component greatly, reduce the phenolic moulding powder or the plastics use amount of single-piece injection-moulded housing component, the production cost of control injection-moulded housing component.
Summary of the invention
The present invention aims to provide and a kind ofly can alleviate the weight of injection-moulded housing component greatly under the constant situation of whole outward appearance and profile intensity, reduces the injection-moulded housing component of the raw material use amount of single-piece injection-moulded housing component.
Technical scheme of the present invention is: a kind of injection-moulded housing component, be shallow pot shape, and the outside is outward appearance and use face, the periphery on inside bottom surface is provided with for the inwardly protruded connecting portion that is connected with adjacent component; The inside bottom surface is covered with and is cellular join together mutually and inwardly protruded reinforcement.The cellular reinforcement that joins together minimum with consumptive material, that mechanical strength is the strongest is strengthened the inner surface of injection-moulded housing component, makes it to have excellent mechanical property, thereby reduces the thickness of injection-moulded housing component bottom; Under the constant situation of whole outward appearance and profile intensity, alleviate the weight of injection-moulded housing component greatly, reduce the phenolic moulding powder or the plastic raw materials use amount of single-piece injection-moulded housing component, control even reduce the production cost of injection-moulded housing component.
Described reinforcement and inside bottom surface intersection have interior circular arc chamfering.Can further improve the booster action of reinforcement, increased the firm and deformation resistance of injection-moulded housing component the bakelite housing component.
The radius of circular arc chamfering is less than the width of reinforcement in described.Guarantee enough booster actions and the material of chamfered part consumption will lack.
The height of described reinforcement is greater than width.When reducing the material that consumes, guarantee enough booster actions, the aspect ratio increase width that increases reinforcement is effective.
Injection-moulded housing component of the present invention utilizes the cellular reinforcement that joins together that the inside bottom of injection moulded shell part is strengthened, thereby reduces the thickness of injection-moulded housing component bottom.Realize that whole outward appearance and profile intensity are constant, alleviate the weight of bakelite housing component greatly, reduce the phenolic moulding powder or the plastic material use amount of single-piece goods.In the injection-moulded housing component hot pressing, greatly then molding time is long for the big or thickness of surface area, and easy deformation contracts in promptly producing or extends out.Injection-moulded housing component of the present invention has the cellular reinforcing rib structure that joins together, and non-deformability is strong; Distortion when moulding: the then cellular reinforcing rib structure that joins together that contracts in having is with its outside support; Have and extend out the then cellular reinforcing rib structure that joins together it is inwardly drawn over to one's side.After injection-moulded housing component had added the cellular reinforcing rib structure that joins together, thickness reduced, and molding time shortens, and the possibility of distortion is reduced; Therefore the problem on deformation in the time of can effectively being controlled at product molding helps improving the qualification rate of goods.And the molding cycle that has shortened goods is exactly the molding cycle that has shortened board, has improved equipment capacity.In sum, injection-moulded housing component of the present invention is in light weight, the material saving, and the production efficiency height, cost is low.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of an embodiment of injection-moulded housing component of the present invention.
Fig. 2 is the cut-away view of another embodiment of injection-moulded housing component of the present invention.
Specific embodiment
One, embodiment one
The stereochemical structure of an embodiment of injection-moulded housing component of the present invention, as shown in Figure 1.This is the injection moulding bakelite lower house that an electricity is fried in shallow oil roasting device.Its bakeware is rectangular, so this bakelite lower house 1 is approximate rectangular shallow pot shape.The periphery on bakelite lower house 1 inside bottom 11 surfaces is provided with inwardly protruded support and connects bakeware connecting portion 13 and bakeware slot 14, the inwardly protruded support of bakeware and connect the control circuit board connecting portion 15 of control circuit board, inwardly protruded support and connect the rotating shaft connecting portion 16 of rotating shaft, inwardly protruded support and connect the panel connecting portion 17 of panel and to the feet 18 of lower convexity within periphery wall 12.Bakelite lower house 1 inside bottom 11 surfaces are covered with and are cellular join together mutually and inwardly protruded reinforcement 10.Reinforcement 10 roots and inside bottom 11 surperficial intersections have interior circular arc chamfering 101.The radius of interior circular arc chamfering 101 is less than the width of reinforcement.The height of reinforcement 10 is greater than width.The length of reinforcement 10 is length that regular hexagon is monolateral in the alveolate texture just, generally determines in conjunction with the thickness of bakelite lower house 1 bottom and the size of bakelite lower house 1 bottom according to the shock proof requirement in bakelite lower house 1 bottom.
Different injection-moulded housing components, its face shaping, not of uniform size, to consider during design the bottom shape, size and material intensity with and corresponding security regulations standard to the shock-testing requirement of goods, determine in the alveolate texture thickness of an orthohexagonal size and bottom.So its wall thickness of place of the local assault of bottom test main points may be thickeied to some extent; Other have impact less than the place, even just need not add alveolate texture; So its phenolic moulding powder of different goods or plastic raw materials consumption are adding all difference to some extent of the percentage that alleviated before and after the cellular reinforcement.The plastic feet of table fan for example, the bottom size of its plastics upper shell spare is littler than present embodiment, the intensity of plastic material is also low than bakelite, can consider to adopt regular hexagon in the slightly smaller size design alveolate texture, and suitably increases the height of reinforcement.So,, still can satisfy the requirement of bulk strength, and reduce the use amount of plastic raw materials even do not increase the thickness of bottom.
Two, embodiment two
The internal structure of another embodiment of injection-moulded housing component of the present invention, as shown in Figure 2.This is an injection moulding upper shell 2.The bakeware that cooperates with it is square, so this bakelite upper shell 2 is the shallow pot shape of squarish.The periphery on bakelite upper shell 2 inside bottom 21 surfaces is provided with within periphery wall 22 that (inwardly protruded support also connects the lock platform 23 of baking tray connector and the lock platform 24 of neon lamp, inwardly protruded support is installed and connects the Spiale element connecting portion 26 of rotating shaft Connection Element; Be provided with handle portion 25 outside the periphery wall 22 of bakelite upper shell 2.Bakelite upper shell 2 inside bottom 21 surfaces are covered with and are cellular join together mutually and inwardly protruded reinforcement 20.Each cellular orthohexagonal single inner edge that joins together the mutually i.e. length of a reinforcement 20 is 15 millimeters.The height of reinforcement 20 is roughly 2.5 millimeters, and width is roughly 1.5 millimeters.It is 1.0 millimeters interior circular arc chamfering that reinforcement 20 and inside bottom 21 surperficial intersections have radius.
In the present embodiment, the bakelite upper shell of same outward appearance profile and syndeton does not use cellular that join together mutually and inwardly protruded reinforcement, and the bottom wall thickness is 3.0 millimeters; Each orthohexagonal weight per unit area that is surrounded by the cellular reinforcement that joins together mutually 20 is 2.75 grams; Whole bakelite upper shell weight is 327 grams.After adding reinforcement 20 that join together mutually and inwardly protruded, the bottom wall thickness changes 1.8 millimeters into, can keep identical intensity; At this moment, the orthohexagonal weight per unit area that surrounded of each cellular reinforcement that joins together mutually 20 is 1.89 grams; Whole bakelite upper shell weight is 263 grams.After adding reinforcement 20 that join together mutually and inwardly protruded, the orthohexagonal weight per unit area that each cellular reinforcement that joins together mutually 20 is surrounded alleviates 31.2%; Whole bakelite upper shell weight saving 19.57%.
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (4)
1. an injection-moulded housing component is shallow pot shape, and the outside is outward appearance and use face, and the periphery on inside bottom surface is provided with for the inwardly protruded connecting portion that is connected with adjacent component; It is characterized in that: the inside bottom surface is covered with and is cellular join together mutually and inwardly protruded reinforcement.
2. a kind of injection-moulded housing component according to claim 1 is characterized in that: described reinforcement and inside bottom surface intersection have interior circular arc chamfering.
3. a kind of injection-moulded housing component according to claim 2 is characterized in that: the radius of circular arc chamfering is less than the width of reinforcement in described.
4. according to claim 1 or 2 or 3 described a kind of injection-moulded housing components, it is characterized in that: the height of described reinforcement is greater than width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510042095 CN1816260A (en) | 2005-02-03 | 2005-02-03 | Injection-moulded housing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510042095 CN1816260A (en) | 2005-02-03 | 2005-02-03 | Injection-moulded housing component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1816260A true CN1816260A (en) | 2006-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510042095 Pending CN1816260A (en) | 2005-02-03 | 2005-02-03 | Injection-moulded housing component |
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| Country | Link |
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| CN (1) | CN1816260A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960022A (en) * | 2017-11-27 | 2018-04-24 | 科成精密模塑科技无锡有限公司 | Lightweight shell material moulding |
| CN110093754A (en) * | 2019-04-19 | 2019-08-06 | 无锡小天鹅电器有限公司 | Top cover, casing assembly and the washing machine of washing machine |
| US20230061769A1 (en) * | 2021-08-26 | 2023-03-02 | Whirlpool Corporation | Dishwasher with door assembly |
-
2005
- 2005-02-03 CN CN 200510042095 patent/CN1816260A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960022A (en) * | 2017-11-27 | 2018-04-24 | 科成精密模塑科技无锡有限公司 | Lightweight shell material moulding |
| CN110093754A (en) * | 2019-04-19 | 2019-08-06 | 无锡小天鹅电器有限公司 | Top cover, casing assembly and the washing machine of washing machine |
| CN110093754B (en) * | 2019-04-19 | 2021-11-19 | 无锡小天鹅电器有限公司 | Washing machine's top cap, shell subassembly and washing machine |
| US20230061769A1 (en) * | 2021-08-26 | 2023-03-02 | Whirlpool Corporation | Dishwasher with door assembly |
| US11849898B2 (en) * | 2021-08-26 | 2023-12-26 | Whirlpool Corporation | Dishwasher with door assembly |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |