NO844586L - ELECTRIC FAN GRACKS. - Google Patents
ELECTRIC FAN GRACKS.Info
- Publication number
- NO844586L NO844586L NO844586A NO844586A NO844586L NO 844586 L NO844586 L NO 844586L NO 844586 A NO844586 A NO 844586A NO 844586 A NO844586 A NO 844586A NO 844586 L NO844586 L NO 844586L
- Authority
- NO
- Norway
- Prior art keywords
- grid
- meshes
- electric fan
- gracks
- shape
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P1/00—Safety devices independent of the control and operation of any machine
- F16P1/02—Fixed screens or hoods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Motor Or Generator Cooling System (AREA)
Description
Denne oppfinnelse angår et nytt og forbedret gitterThis invention relates to a new and improved grating
for elektriske vifter.for electric fans.
Ifølge oppfinnelsen blir gittermasker eller -ruter tildannet som en utad forstørret form i retning rundt en metallplate hvorfra det kuttes eller stanses deler og sammenføy-nings- eller krysningspartier slik at gitteret tildannes i ett stykke ved stansingen. According to the invention, grid meshes or grids are formed as an outwardly enlarged shape in the direction around a metal plate from which parts and joining or crossing parts are cut or punched so that the grid is formed in one piece by punching.
Oppfinnelsen skal i det følgende forklares nærmere under henvisning til tegningene, hvor: Figur 1 er et front- eller planriss av gitteret for en elektrisk vifte, i henhold til foreliggende oppfinnelse, In the following, the invention will be explained in more detail with reference to the drawings, where: Figure 1 is a front or plan view of the grid for an electric fan, according to the present invention,
Figurene 2, 3 og 4 viser mer detaljert utførelseseksemplerFigures 2, 3 and 4 show more detailed design examples
av viftegitteret i henhold til foreliggende oppfinnelse. of the fan grid according to the present invention.
På tegningene angir henvisningstallet 1 en maske eller rute i gitteret, mens 2 er en utstanset del og 3 er sammen-koblings- eller krysningspartier. Disse er stanset ut fra en metallplate 4 hvor en kant 4<1>og en annen kant 4<11>utgjør henholdsvis innsiden og utsiden, svarende til en indre ramme 5 og en ytre ramme 6 på det ferdige gitter. In the drawings, reference numeral 1 denotes a mesh or square in the lattice, while 2 is a punched part and 3 is connecting or crossing parts. These are punched out from a metal plate 4 where one edge 4<1> and another edge 4<11> make up the inside and the outside respectively, corresponding to an inner frame 5 and an outer frame 6 on the finished grid.
Runde plategitre for elektriske vifter hvor det er tildannet et større antall masker eller ruter med fast størrel-se, er vist i forskjellige land, istedenfor konvensjonelle gitre for elektriske vifter laget med vanlige dimensjoner av tråd som er nikkelbelagt. Således fremstilte runde plategitre som har mange faste størrelser av maskene beliggende side om side og efter hverandre, kan ikke fremstilles sentripetalt og passer ikke for den elektriske vifte da de tallrike masker med fast størrelse blir forvrengt eller deformert når de tildannes som et gitter for en elektrisk vifte. Videre vil frem-stilling av et gitter som omtalt ovenfor, bevirke store mate-rialtap fordi et slikt rundt og tomt gitter blir stanset fra en flat plate. Følgelig er et slikt plategitter som omtalt ovenfor, ikke å foretrekke for elektriske vifter. Round plate grids for electric fans in which a larger number of meshes or squares of fixed size are formed have been shown in various countries, instead of conventional grids for electric fans made with regular dimensions of nickel-plated wire. Thus produced round plate grids having many fixed size meshes located side by side and one after the other cannot be manufactured centripetally and are not suitable for the electric fan as the numerous fixed size meshes are distorted or deformed when formed as a grid for an electric fan. Furthermore, the production of a grid as discussed above will cause large material losses because such a round and empty grid is punched from a flat plate. Accordingly, such a plate grid as discussed above is not preferable for electric fans.
I motsetning til dette kan et gitter i henhold til foreliggende oppfinnelse fremstilles av kvadratisk metallplate-materiale ved å stanse eller kutte dette til ønsket rund form slik at det blir oppnådd et vakkert og sterkt gitter for In contrast to this, a grid according to the present invention can be produced from square metal sheet material by punching or cutting this into the desired round shape so that a beautiful and strong grid is obtained for
elektriske vifter med lite materialforbruk.electric fans with little material consumption.
I henhold til denne oppfinnelse blir maskene eller ruteneAccording to this invention, the meshes or squares become
1 tildannet fra en kant 4' for den indre ramme 5 og en annen kant 4'' for den ytre ramme 6 slik at de har samme lengde og forstørres utad fra den kvadratiske metallplate 4, hvilket efterlater en utstanset del 2 og sammenkoblingspartier 3. Maskene 1 er innrettet til å utvides utad og i omkretsretningen, dvs. for en rund vifte,og så blir den nevnte kant 4' og den annen kant 4'' forbundet med den indre ramme 5 henholdsvis den ytre ramme 6 som vist på Figur 1. 1 formed from one edge 4' of the inner frame 5 and another edge 4'' of the outer frame 6 so that they are of the same length and are enlarged outwards from the square metal plate 4, leaving a punched part 2 and connecting parts 3. The meshes 1 is designed to expand outwards and in the circumferential direction, i.e. for a round fan, and then the aforementioned edge 4' and the other edge 4'' are connected to the inner frame 5 and the outer frame 6, respectively, as shown in Figure 1.
Som videre vist i eksemplet på Figur 1, kan baksiden av gitteret også fremstilles i likhet med forsiden, i henhold til denne oppf innelse. As further shown in the example in Figure 1, the back of the grid can also be produced in the same way as the front, according to this invention.
Maskene eller rutene kan i henhold til oppfinnelsen tildannes som firkantede romber eller lignende, som vist på According to the invention, the meshes or squares can be formed as square rhombuses or the like, as shown in
Figurene 1 og 2, eller de kan formes som sekskantede ruter slik det fremgår av Figur 3. En ytterligere mulighet består i å forme maskene med en tilnærmet ellipseform som vist på Figur 4. Disse masker eller ruter kan åpenbart tildannes i enhver ønsket form ved fremstillingsprosessen av de stansede deler Figures 1 and 2, or they can be shaped as hexagonal squares as shown in Figure 3. A further possibility consists in shaping the meshes with an approximate ellipse shape as shown in Figure 4. These meshes or squares can obviously be formed in any desired shape during the manufacturing process of the punched parts
2 og sammenkoblingspartiene 3 ved tilpasning av formen av stanse- eller kutte-eggen eller -verktøyet med sikte på å 2 and the connecting parts 3 by adapting the shape of the punching or cutting edge or tool with a view to
forme maskene med f.eks. krumme linjer.shape the stitches with e.g. curved lines.
I de viste eksempler blir en metallplate 4 på 0,5 tilIn the examples shown, a metal plate 4 of 0.5 is added
0,8 mm og med dimensjoner 200 x 180 mm hvor det blir foretatt kutt med mellomrom på 1,1 mm, utført med 88 x 91 linjer for å danne masker som utgjør et gitter med rund omkrets som omfat-ter 360°. I tilfelle av kutting eller stansing med 91 linjer, vil den første utstansede del og den siste utstansede del bli en forbindelsesdel. 0.8 mm and of dimensions 200 x 180 mm where cuts are made at intervals of 1.1 mm, executed with 88 x 91 lines to form meshes forming a grid of circular circumference encompassing 360°. In the case of cutting or punching with 91 lines, the first punched part and the last punched part will become a connecting part.
Et utgangsmateriale i form av en metallplate på 0,5A starting material in the form of a metal plate of 0.5
til 0,8 mm blir 1,1 mm tykt efter avsluttet stansearbeide for å tildanne masker og tilforming som et gitter med rund form, og derefter blir alle skarpe partier jevnet eller glattet ved hjelp av konvensjonelle metoder. to 0.8mm becomes 1.1mm thick after finishing punching work to form meshes and shaping as a grid of round shape, and then all sharp parts are leveled or smoothed using conventional methods.
Med en bredde på 200 mm er metallgitteret avpasset i bredde til å passe til dimensjonene av den elektriske vifte, det vil si at bearbeidelsen utføres i overensstemmelse med dimensjonene av den elektriske vifte og det foretas argon-sveising av den utstansede del fra den 91. linje og derefter punktsveising for å forbinde det ferdige gitter med den indre ramme 5 og den ytre ramme 6 av samme materialkvalitet. With a width of 200 mm, the metal grid is adjusted in width to fit the dimensions of the electric fan, that is, the processing is carried out in accordance with the dimensions of the electric fan and argon welding of the punched part from the 91st line is carried out and then spot welding to connect the finished grid with the inner frame 5 and the outer frame 6 of the same material quality.
Et gitter laget<N>av metallplate på 200 x 180 mm har en diameter på 500 mm, men diameteren blir 415 mm i henhold til utformningen av den elektriske vifte, dvs. en krum utformning av fronten av viften. A grid made<N>of sheet metal of 200 x 180 mm has a diameter of 500 mm, but the diameter becomes 415 mm according to the design of the electric fan, i.e. a curved design of the front of the fan.
Når gitteret ifølge oppfinnelsen lages av metallplate som er 1,1 mm tykk, blir det sterkere enn konvensjonelle gitre og videre samles det ikke rust ved lengre tids bruk og heller ikke endres farven. Videre vil gitteret tjene til å beskytte f.eks. spedbarnfingre mot skader og gitteret ifølge oppfinnelsen har et vakkert utseende. Dessuten er maskene eller rutene i gitteret formet i likhet med den orientalske viftestil slik at kvaliteten av den elektriske vifte blir høyere, og endelig kan gitteret ifølge oppfinnelsen produseres med lite materialforbruk . When the grid according to the invention is made of sheet metal that is 1.1 mm thick, it is stronger than conventional grids and, furthermore, rust does not collect during prolonged use and the color does not change either. Furthermore, the grid will serve to protect e.g. infant fingers against damage and the grid according to the invention has a beautiful appearance. Moreover, the meshes or squares in the grid are shaped like the oriental fan style so that the quality of the electric fan is higher, and finally the grid according to the invention can be produced with little material consumption.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019830009738U KR850000708Y1 (en) | 1983-11-18 | 1983-11-18 | Fan net |
GB08429228A GB2167323A (en) | 1983-11-18 | 1984-11-19 | Manufacture of a safety cage for an electric fan |
Publications (1)
Publication Number | Publication Date |
---|---|
NO844586L true NO844586L (en) | 1986-05-20 |
Family
ID=88203956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO844586A NO844586L (en) | 1983-11-18 | 1984-11-16 | ELECTRIC FAN GRACKS. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS61171897A (en) |
KR (1) | KR850000708Y1 (en) |
BR (1) | BR8405882A (en) |
GB (1) | GB2167323A (en) |
IT (1) | IT8436244V0 (en) |
NO (1) | NO844586L (en) |
SE (1) | SE8405753D0 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62288390A (en) * | 1986-06-06 | 1987-12-15 | Enami Seiki:Kk | Metal guard and its manufacture |
NZ549392A (en) * | 2006-08-23 | 2008-12-24 | Victoria Link Ltd | Method of expanding a sheet material and articles produced thereby |
WO2020091150A1 (en) * | 2018-10-30 | 2020-05-07 | 주식회사 명성 | Safety net for fan |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB586860A (en) * | 1944-09-15 | 1947-04-02 | Ralph Poole | Improvement in or relating to heat exchange apparatus for fluids |
-
1983
- 1983-11-18 KR KR2019830009738U patent/KR850000708Y1/en active IP Right Grant
-
1984
- 1984-11-16 NO NO844586A patent/NO844586L/en unknown
- 1984-11-16 SE SE8405753A patent/SE8405753D0/en unknown
- 1984-11-19 JP JP59244315A patent/JPS61171897A/en active Pending
- 1984-11-19 BR BR8405882A patent/BR8405882A/en unknown
- 1984-11-19 IT IT8436244U patent/IT8436244V0/en unknown
- 1984-11-19 GB GB08429228A patent/GB2167323A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS61171897A (en) | 1986-08-02 |
SE8405753D0 (en) | 1984-11-16 |
IT8436244V0 (en) | 1984-11-19 |
BR8405882A (en) | 1985-09-17 |
GB2167323A (en) | 1986-05-29 |
GB8429228D0 (en) | 1984-12-27 |
KR850000708Y1 (en) | 1985-04-22 |
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