CN103190767A - Radiation-proof easy-heat-dissipation folding type magnesium alloy computer desk and manufacture method thereof - Google Patents
Radiation-proof easy-heat-dissipation folding type magnesium alloy computer desk and manufacture method thereof Download PDFInfo
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- CN103190767A CN103190767A CN2013101172388A CN201310117238A CN103190767A CN 103190767 A CN103190767 A CN 103190767A CN 2013101172388 A CN2013101172388 A CN 2013101172388A CN 201310117238 A CN201310117238 A CN 201310117238A CN 103190767 A CN103190767 A CN 103190767A
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Abstract
The invention discloses a radiation-proof easy-heat-dissipation folding type magnesium alloy computer desk and a manufacture method thereof. The computer desk comprises a desk top and folding supports symmetrically arranged on two sides of the desk top, wherein the folding supports are formed by connecting a plurality of load-bearing tubes, the desk top and the load-bearing tubes are made from a magnesium alloy material, the desk top is connected with the load-bearing tubes through full-angle rotary regulation joints, and the load-bearing tubes are connected through full-angle rotary regulation joints. A main material of the computer desk is magnesium alloy, so that the computer desk is good in heat dissipation, good in electromagnetic shielding performance, and injury of a notebook computer to a human body can be reduced. The computer desk is designed to be a folding type desk, the desk top and the supports are respectively designed to be a thin plate and square tubes, and the computer desk is small, exquisite and easy to carry. The expandability of the computer desk is strong, and a mouse bracket, a heat-dissipation fan, a light-emitting diode (LED) computer lamp and other individual devices can be added according to actual demands. The radiation-proof easy-heat-dissipation folding type magnesium alloy computer desk is environment-friendly, and the injury of the computer to the human body can be reduced. In addition, the computer desk further has the advantages of being light, practical, stable, flexible and the like.
Description
Technical field
The invention belongs to multi-function computer workstation manufacturing technology field, especially relate to a kind of radiation proof easily dispel the heat folding utility magnesium alloy computer desk and section bar manufacture method thereof.
Background technology
Notebook computer is because in light weight, advantage such as be easy to carry and be subjected to users' favor deeply.But compare with desktop computer, the notebook compact conformation requires higher to thermal diffusivity in the use.Especially in recent years, along with continuing to bring out of high-performance notebook, and its lightening day by day appearance design, make in the body that the heat-dissipating space of each parts is littler and cause radiating effect poor.Good and the bad degree of stability that directly influences and determined the notebook computer operation of heat radiation, service life, flying power etc.At present, except by improving notebook computer self design, also have a lot of consumers to select heat dissipation base, cooling pad to wait to assist the notebook heat radiation, particularly when computer is in running status, airspace between computer bottom and the desktop is littler, heat can't distribute fully by bottom self-radiating system, and the too high speed of service that causes of long-pending heat reduces, even causes deadlock.
In addition, the electromagnetic radiation that produces of computer running status is inevitable.The radiation problem of notebook computer, because its main frame is generally more approaching and particularly serious apart from the user, particularly the radiation at its bottom and keyboard place is the strongest.When the consumer closely used notebook computer for a long time, its radiation that produces will inevitably produce certain injury to human body, and especially the influence to user groups such as teenager and pregnant woman merits attention especially.How effectively reducing or the radiation of minimizing notebook computer, also is one of problem of present many producers close attention.
As the computer desk that directly contacts with notebook computer, its material selects can be the heat dispersion that improves notebook computer, weaken its electromagnetic radiation provides useful help.At present, the patent relevant with note computer desk, as publication number be respectively 201303706, the Chinese patent of 201727081U and 201743214U, the ubiquity structural design is generally comparatively complicated, the shortcoming that flexibility limit is bigger, and do not possess radiation-resistant function.
Summary of the invention
The object of the present invention is to provide a kind of radiation proof folding utility magnesium alloy computer desk that easily dispels the heat, its main body adopts lightweight magnesium alloy materials to make, and has that thermal diffusivity is good, radiation proof, light practicality, stablizes flexible characteristic.To solve the problem that the prior art computer desk exists.
Another object of the present invention is to a kind of manufacture method of magnesium alloy computer desk section bar, it is guaranteeing under the prerequisite that dimensional accuracy adheres to specification, have its production efficiency and the lumber recovery of raising, reduce its processing cost characteristics, with extrusion modling and the continuous comparatively problem of difficulty of producing of magnesium alloy plate and tubing in the solution prior art.
The objective of the invention is to be achieved through the following technical solutions:
A kind of radiation proof folding utility magnesium alloy computer desk that easily dispels the heat, the folding support that it comprises desktop and is symmetricly set in the desktop both sides, described folding support is interconnected by a plurality of bearing tubes and forms, wherein, described desktop and bearing tube are made by magnesium alloy materials, and all regulate the joint by the full angle rotation between described desktop and bearing tube and each bearing tube and be connected.
Especially, also be connected with on the described desktop mouse carriage, heat emission fan or computer LED illuminating lamp any or several.
Especially, described magnesium alloy materials composition proportion is: Al:4.5～5.0wt.%, and Zn:0.5～1.0wt.%, Mn:0.20～0.30wt.%, Si≤0.02wt.%, Fe≤0.003wt.%, surplus is Mg and can not removes impurity.
Especially, described desktop comprises rotating shaft connecting portion and extension plate, the root of described rotating shaft connecting portion is tubular, place the rotation that is connected with bearing tube in its two ends pipe and regulate the joint, three small boss of the setting by the pipe inboard are regulated the location, joint to rotation, and the plate face end of described rotating shaft connecting portion is provided with draw-in groove, link corresponding to the extension plate has boss to the both sides bending, described boss is stuck in the draw-in groove extension plate is spliced on the rotating shaft connecting portion, and the root of described rotating shaft connecting portion is provided with a curved baffle, can block the base of notebook computer, prevent that notebook computer from coming off from desktop.
Especially, the central area of described extension plate several louvres that evenly distribute, improving the radiating efficiency of desktop between bottom computer, and the two ends of the plate face of described extension plate are designed to the corrugated bulge-structure, to increase the frictional force between desktop and the computer bottom, play anti-skidding effect.
Especially, described folding support is made up of 4 bearing tubes, is " W " type, and described bearing tube is the magnesium alloy flat tube.
Especially, described full angle rotation is regulated the joint and is comprised button, the first calibration locating wheel, the automatic indexing ratchet that resets, middle locking wheel, back-moving spring, second calibration locating wheel and the central shaft, described first, two calibration locating wheels, the automatic indexing ratchet that resets, middle locking wheel is equipped with the center connecting hole, whole joint is located by connecting by central shaft, and described first, two calibration locating wheel inside are equipped with fixed gear ring, described fixed gear ring and middle locking wheel cooperate to realize separating and lock each other, middle locking wheel is controlled auto-lock function and the reset function that the joint is regulated in whole rotation by utilizing the reset diverse location of ratchet of automatic indexing, the reset mapping mode of ratchet height interdigit of automatic indexing then is to control by the interaction that button and automatic indexing reset between ratchet self the calibration tooth, back-moving spring mainly is in order to guarantee button and automatic indexing the combining closely between the ratchet that reset, also guaranteed simultaneously the tight relatively and stable of whole rotation adjusting joint internal structure, described first, two calibration locating wheels, fixed gear ring and middle locking wheel all adopt 36 tooth full angle structures.
A kind of manufacture method of magnesium alloy computer desk section bar, its concrete steps comprise: the casting of magnesium alloy rod after 405 ℃～425 ℃ homogenising are handled 6h furnace cooling to room temperature, magnesium rod temperature-gradient method and insulation after again homogenising being handled before the extruding, extrusion temperature control is in 380 ℃～420 ℃ scopes, extruding rate is 3～5m/min, directly utilizes the surplus temperature of extrusion plate and square tube to align.
Especially, the extrusion process of magnesium alloy plate: the diameter of magnesium alloy continuous casting rod is 170mm, the casting of magnesium alloy rod is heated to 415 ℃ of insulation 6h and carries out the homogenising processing, the casting of magnesium alloy rod is heated to 380 ℃ of insulation 2h, after slowly being heated to 420 ℃ of insulation 2h again, be cooled to 400 ℃ of insulation 1h, simultaneously extrusion die be heated to 400 ℃ of insulations, extruding rate is 3m/min, and extruding force is 180～200MPa.
Especially, the extrusion process of magnesium alloy pipe: the diameter of magnesium alloy continuous casting rod is 90mm, the casting of magnesium alloy rod is heated to 415 ℃ of insulation 6h and carries out the homogenising processing, the casting of magnesium alloy rod is heated to 380 ℃ of insulation 2h, after slowly being heated to 420 ℃ of insulation 2h again, be cooled to 400 ℃ of insulation 1h, simultaneously extrusion die be heated to 400 ℃ of insulations, extruding rate is 4m/min, and extruding force is 120～130MPa.
Beneficial effect of the present invention is, compared with prior art:
(1) magnesium alloy materials that adopts of computer desk of the present invention has advantages such as perfect heat-dissipating, capability of electromagnetic shielding is good, damping effect is obvious.The note computer desk that is made by magnesium alloy materials helps to improve the radiating efficiency of notebook computer, and can effectively weaken the radiation that notebook computer produces, and is all very useful to prolongation computer service life and reduction human injury.
(2) note computer desk of the present invention adopts collapsible design, and each junction all adopts 360o rotation to regulate the joint to connect, make the computer desk overall structure small and exquisite, light, no any dead angle in rotatable space.Computer desk can be set up external equipments such as mouse carriage, heat emission fan, LED Computer lamp according to user's actual need, or as other supports for articles, the scope of application of effective computer desk of expanding.
(3) extrusion forming process of magnesium alloy profiles of the present invention can effectively improve the production efficiency of magnesium plate/tubing, and can guarantee higher lumber recovery and favorable surface quality and dimensional accuracy.
Description of drawings:
Fig. 1 is easily the dispel the heat structural representation of folding utility magnesium alloy computer desk of radiation proof that the specific embodiment of the invention one provides;
Fig. 2 is easily the dispel the heat structural representation of desktop of folding utility magnesium alloy computer desk of radiation proof that the specific embodiment of the invention one provides;
Fig. 3 is easily the dispel the heat structural representation of rotating shaft connecting portion of folding utility magnesium alloy computer desk of radiation proof that the specific embodiment of the invention one provides;
Fig. 4 is easily the dispel the heat structural representation of extension plate of folding utility magnesium alloy computer desk of radiation proof that the specific embodiment of the invention one provides;
Fig. 5 is radiation proof that the specific embodiment of the invention one the provides partial enlarged drawing that the rotating shaft connecting portion of folding utility magnesium alloy computer desk is connected with the extension plate that easily dispels the heat;
Fig. 6 is that the structural representation in joint is regulated in easily the dispel the heat rotation of folding utility magnesium alloy computer desk of radiation proof that the specific embodiment of the invention one provides.
The specific embodiment
Further specify technical scheme of the present invention below by the drawings and specific embodiments.
See also Fig. 1 to shown in Figure 6, in the present embodiment, a kind of radiation proof folding utility magnesium alloy computer desk that easily dispels the heat comprises desktop 1 and is symmetricly set in the folding support 2 of desktop 1 both sides, described folding support 2 is interconnected by a plurality of bearing tubes 3 and forms, described desktop 1 and bearing tube 3 are made by magnesium alloy materials, and all regulating joint 4 by the full angle rotation between described desktop 1 and bearing tube 3 and each bearing tube 3 is connected, to reach control desktop angle, the desktop relative altitude, angle between each bearing tube and the purpose of relative position, and the stability of assurance computer desk.During non-working condition, can regulate the joint and desktop and each bearing tube be packed up be tabular one by one, so that take in or carry.
Described desktop 1 is made up of rotating shaft connecting portion 11 and extension plate 12 two parts, and two parts magnesium alloy materials all adopts hot extrusion technique to be prepared from.Desktop is designed to two parts is spliced, main purpose is to use polytropy on the width in order to strengthen desktop, and namely the user can select the extension plate 12 of different size according to specific requirement, to obtain the desktops of different sizes.Rotating shaft connecting portion 11 plate face thicknesses and extension plate 12 consistency of thickness.Rotating shaft connecting portion 11 roots are tubular, are mainly used in placing and support the rotation adjusting joint 4 that bearing tube 3 is connected, and the relative position in rotation adjusting joint 4 is determined by three small boss 13 of pipe inboard.In order to prevent notebook computer landing from the desktop, at rotating shaft connecting portion 11 roots a curved baffle 14 is set, can block the base of notebook computer easily.The plate face end of rotating shaft connecting portion 11 is designed to draw-in groove 15, is used for splicing extension plate 12.Extension plate 12 1 ends are crooked boss 16, place draw-in groove 15 to finish splicing with rotating shaft connecting portion 11 crooked boss 16, it is some that described draw-in groove 15 bottoms can equidistantly arrange screw, is screwed into stable connection of further strengthening behind the screw between rotating shaft connecting portion 11 and the extension plate 12.The plate face central area of extension plate 12 louvre 17 that evenly distributes is some, can improve the radiating efficiency between desktop and the computer bottom.Be corrugated near the plate face two ends of extension plate 12, to increase the frictional force between desktop and the computer bottom, play anti-skidding effect, and the side in extension plate 12 be equipped with mouse carriage 18 on the described rotating shaft connecting portion 11.
Described folding support 2 is made up of 4 bearing tubes 3, is " W " type, and described bearing tube 3 is the magnesium alloy flat tube.
Described rotation adjusting joint 4 is the main connectors between each parts of computer desk, comprise button 41, the first calibration locating wheel 42, the automatic indexing ratchet 43 that resets, middle locking wheel 44, back-moving spring 45, the second calibration locating wheel 46 and central shaft 47, the described first calibration locating wheel 42, the second calibration locating wheel 46, the automatic indexing ratchet 43 that resets, middle locking wheel 44 is equipped with the center connecting hole, whole joint is located by connecting by central shaft 47, and the described first calibration locating wheel 42 and the second calibration locating wheel, 46 inside are equipped with fixed gear ring, described fixed gear ring and middle locking wheel 44 cooperate realizes separating and lock each other, middle locking wheel 44 is controlled auto-lock function and the reset function that the joint is regulated in whole rotation by utilizing the reset diverse location of ratchet 43 of automatic indexing, the reset mapping mode of ratchet 43 height interdigits of automatic indexing then is to control by the interaction that button 41 and automatic indexing reset between ratchet 43 self the calibration tooth, back-moving spring 45 mainly is in order to guarantee button 41 and automatic indexing the combining closely between the ratchet 43 that reset, also guaranteed simultaneously the tight relatively and stable of whole rotation adjusting joint internal structure, the described first calibration locating wheel 42, the second calibration locating wheel 46, fixed gear ring and middle locking wheel 44 all adopt 36 tooth full angle structures.Make rotation regulate no any dead angle in 4 rotation processes of joint.
Be used for the extrusion forming process of the magnesium alloy plate of making computer desktop, it may further comprise the steps:
Step 1: founding diameter is the magnesium alloy continuous casting rod of 170mm, and alloying component is: Al:4.8wt.%, and Zn:0.8wt.%, Mn:0.25wt.%, Si≤0.02wt.%, Fe≤0.003wt.%, surplus is Mg and can not removes impurity.
Step 2: after magnesium alloy continuous casting rod machining surface is machined to diameter 160mm, adopt chamber type electric resistance furnace will cast rod be heated to 415 ℃ of insulation 6h homogenising handle after slow cooling standby to room temperature.
Step 3: with pretreated casting rod be heated to 380 ℃ the insulation 2h, slowly be warming up to again 420 ℃ the insulation 2h after, be cooled to 400 ℃ the insulation 1h, simultaneously dedicated extruded mould is placed constant temperature system to be heated to 400 ℃ of insulations.
Step 4: will cast and be filled to recipient rapidly after rod takes out and carry out hot-pressed, control casting rod surface temperature is that extruding rate is about 3m/min more than 380 ℃, and extruding force is 180MPa～200MPa, can obtain the computer desk magnesium alloy plate, utilize the surplus temperature of sheet material to align after the extruding.
Be used for making the extrusion forming process that computer desk supports the magnesium alloy pipe of bearing tube, it may further comprise the steps:
Step 1: founding diameter is the magnesium alloy continuous casting rod of 90mm, and alloying component is: Al:4.8wt.%, and Zn:0.8wt.%, Mn:0.25wt.%, Si≤0.02wt.%, Fe≤0.003wt.%, surplus is Mg and can not removes impurity.
Step 2: after magnesium alloy continuous casting rod machining surface is machined to diameter 80mm, adopt chamber type electric resistance furnace will cast rod be heated to 415 ℃ of insulation 6h homogenising handle after slow cooling standby to room temperature.
Step 3: with pretreated casting rod be heated to 380 ℃ the insulation 2h, slowly be warming up to again 420 ℃ the insulation 2h after, be cooled to 400 ℃ the insulation 1h, simultaneously dedicated extruded mould is placed constant temperature system to be heated to 400 ℃ of insulations.
Step 4: will cast and be filled to recipient rapidly after rod takes out and carry out hot-pressed, control casting rod surface temperature is that extruding rate is about 4m/min more than 380 ℃, and extruding force is 120MPa～130MPa, can obtain the computer desk support and use magnesium alloy pipe, utilize the surplus temperature of tubing to align after the extruding.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. radiation proof folding utility magnesium alloy computer desk that easily dispels the heat, the folding support that it comprises desktop and is symmetricly set in the desktop both sides, described folding support is interconnected by a plurality of bearing tubes and forms, it is characterized in that, described desktop and bearing tube are made by magnesium alloy materials, and all regulate the joint by the full angle rotation between described desktop and bearing tube and each bearing tube and be connected.
2. the radiation proof according to claim 1 folding utility magnesium alloy computer desk that easily dispels the heat is characterized in that, also be connected with on the described desktop mouse carriage, heat emission fan or computer LED illuminating lamp any or several.
3. the radiation proof according to claim 1 folding utility magnesium alloy computer desk that easily dispels the heat, it is characterized in that, described magnesium alloy materials composition proportion is: Al:4.5～5.0wt.%, Zn:0.5～1.0wt.%, Mn:0.20～0.30wt.%, Si≤0.02wt.%, Fe≤0.003wt.%, surplus is Mg and can not removes impurity.
4. according to claim 1 or 2 each described radiation proofs folding utility magnesium alloy computer desk that easily dispels the heat, it is characterized in that, described desktop comprises rotating shaft connecting portion and extension plate, the root of described rotating shaft connecting portion is tubular, place the rotation that is connected with bearing tube in its two ends pipe and regulate the joint, three small boss of the setting by the pipe inboard are regulated the location, joint to rotation, and the plate face end of described rotating shaft connecting portion is provided with draw-in groove, link corresponding to the extension plate has boss to the both sides bending, described boss is stuck in the draw-in groove extension plate is spliced on the rotating shaft connecting portion, and the root of described rotating shaft connecting portion is provided with a curved baffle.
5. the radiation proof according to claim 4 folding utility magnesium alloy computer desk that easily dispels the heat is characterized in that, the central area of described extension plate several louvres that evenly distribute, and the two ends of the plate face of described extension plate are designed to the corrugated bulge-structure.
6. the radiation proof according to claim 1 folding utility magnesium alloy computer desk that easily dispels the heat is characterized in that described folding support is made up of 4 bearing tubes, is " W " type, and described bearing tube is the magnesium alloy flat tube.
7. the radiation proof according to claim 1 folding utility magnesium alloy computer desk that easily dispels the heat, it is characterized in that, described full angle rotation is regulated the joint and is comprised button, the first calibration locating wheel, the automatic indexing ratchet that resets, middle locking wheel, back-moving spring, second calibration locating wheel and the central shaft, described first, two calibration locating wheels, the automatic indexing ratchet that resets, middle locking wheel is equipped with the center connecting hole, whole joint is located by connecting by central shaft, and described first, two calibration locating wheel inside are equipped with fixed gear ring, described fixed gear ring and middle locking wheel cooperate to realize separating and lock described first each other, two calibration locating wheels, fixed gear ring and middle locking wheel all adopt 36 tooth full angle structures.
8. the manufacture method of a magnesium alloy computer desk section bar, it is characterized in that: its step comprises: the casting of magnesium alloy rod after 405 ℃～425 ℃ homogenising are handled 6h furnace cooling to room temperature, magnesium rod temperature-gradient method and insulation after again homogenising being handled before the extruding, extrusion temperature control is in 380 ℃～420 ℃ scopes, extruding rate is 3～5m/min, directly utilizes the surplus temperature of extrusion plate and square tube to align.
9. the manufacture method of magnesium alloy computer desk section bar according to claim 8, it is characterized in that, the concrete extrusion process of magnesium alloy plate is: the diameter of magnesium alloy continuous casting rod is 170mm, the casting of magnesium alloy rod is heated to 415 ℃ of insulation 6h to carry out homogenising and handles, and the casting of magnesium alloy rod is heated to 380 ℃ of insulation 2h, slowly be heated to 420 ℃ of insulation 2h again after, be cooled to 400 ℃ of insulation 1h, simultaneously extrusion die is heated to 400 ℃ of insulations, extruding rate is 3m/min, and extruding force is 180～200MPa.
10. the manufacture method of magnesium alloy computer desk section bar according to claim 8, it is characterized in that, the concrete extrusion process of magnesium alloy pipe is: the diameter of described magnesium alloy continuous casting rod is 90mm, the casting of magnesium alloy rod is heated to 415 ℃ of insulation 6h to carry out homogenising and handles, and the casting of magnesium alloy rod is heated to 380 ℃ of insulation 2h, slowly be heated to 420 ℃ of insulation 2h again after, be cooled to 400 ℃ of insulation 1h, simultaneously extrusion die is heated to 400 ℃ of insulations, extruding rate is 4m/min, and extruding force is 120～130MPa.
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| CN201310117238.8A CN103190767B (en) | 2013-04-03 | 2013-04-03 | Radiation proof easy heat radiation foldable magnesium alloy computer desk |
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| CN104352062A (en) * | 2014-11-11 | 2015-02-18 | 苏州速腾电子科技有限公司 | Changeable foldable computer desk |
| CN106139570A (en) * | 2015-04-23 | 2016-11-23 | 李沛 | Chinese style pitches the billiard ball hack lever of collapsible multistage adjustable double lower support leg height |
| CN106388275A (en) * | 2016-11-16 | 2017-02-15 | 余庆县兴达家具制造有限公司 | Computer desk |
| CN111248629A (en) * | 2020-03-07 | 2020-06-09 | 福建惠安县振惠家私有限公司 | Adjustable desk |
| CN113349552A (en) * | 2021-07-08 | 2021-09-07 | 河北科技师范学院 | Convenient-to-store computer desk |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106388275B (en) * | 2016-11-16 | 2018-10-30 | 余庆县兴达家具制造有限公司 | Computer desk |
| CN111248629A (en) * | 2020-03-07 | 2020-06-09 | 福建惠安县振惠家私有限公司 | Adjustable desk |
| CN113349552A (en) * | 2021-07-08 | 2021-09-07 | 河北科技师范学院 | Convenient-to-store computer desk |
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| CN103190767B (en) | 2016-04-13 |
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