CN104135297A - Radio - Google Patents
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- Publication number
- CN104135297A CN104135297A CN201410330584.9A CN201410330584A CN104135297A CN 104135297 A CN104135297 A CN 104135297A CN 201410330584 A CN201410330584 A CN 201410330584A CN 104135297 A CN104135297 A CN 104135297A
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- Prior art keywords
- left shell
- right shell
- shell body
- broadcast receiver
- composite material
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- 239000002131 composite material Substances 0.000 claims abstract description 45
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- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 8
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
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- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 abstract description 41
- 230000000694 effects Effects 0.000 abstract description 13
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 abstract 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 abstract 2
- 239000004743 Polypropylene Substances 0.000 description 21
- 238000013461 design Methods 0.000 description 11
- 239000003063 flame retardant Substances 0.000 description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Eyeglasses (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
The invention relates to a radio. The radio comprises a body formed by a left shell and a right shell, wherein a first fixing plate is arranged on the head end of the body, a function button panel is fixedly arranged between the first fixing plate and the left shell, a second fixing plate is arranged on the middle part of the body, a horn is arranged between the second fixing plate and the left shell, a battery holder provided with a plug is arranged on the tail end of the body, a mounting notch is formed in the middle part of the end face, which deviates from the left shell, of the right shell, an adjusting panel is arranged at the bottom of the mounting notch, a cover is buckled on the middle part of the right shell, a protecting net is clamped on the middle part of the end face, which deviates from the right shell, of the left shell, a lens is arranged on the front end of the end face, which deviates from the right shell, of the left shell, a plurality of buttons are arranged on the lens, and two rows of vent holes and a plurality of deflector holes are formed in the bottom of the battery holder, wherein the left shell and the right shell are made of an ABS (Acrylonitrile Butadiene Styrene) composite material. The radio has the advantages of light weight, low price, better glossiness and good performance, and the left shell, the right shell and the battery holder are in sealed connection, so that the integrated external structure has good sealing effect.
Description
Technical field
The invention belongs to sound retractable equipment technical field, relate to a kind of broadcast receiver.
Background technology
Broadcast receiver is formed by component structures such as mechanical devices, electronic device, magnet, and it is by a kind of machine of electric wave signal conversion energy broadcast listening radio station audio signals with electric energy.In prior art, small-sized broadcast receiver is because it is easy to carry and small volume, and be subject to broad masses, like, but on market, most radio receiver structure design is unreasonable, because of its electric property impact, make wireless sealing property outstanding, at the aspect such as moistureproof, dustproof, perform poor, cannot meet people's demand.
In sum, for solving the deficiency on existing radio receiver structure, need to design the broadcast receiver that a kind of volume is little, sealing property is good.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed the broadcast receiver that a kind of volume is little, sealing property is good.
Object of the present invention can realize by following technical proposal: a kind of broadcast receiver, comprise between the body that formed by left shell and right shell body and left shell and right shell body and fasten and be formed with cavity volume, at body head end, be provided with between the first fixed head and the first fixed head and left shell and be installed with function button plate, at body middle part, be provided with between the second fixed head and the second fixed head and left shell and be provided with loudspeaker, in body tip, be provided with and there is the battery tray of plug and battery tray clamping is arranged between left shell and right shell body, described left shell, right shell body, battery tray three be tightly connected, the end face middle part that described right shell body deviates from left shell offers installation gap and installation gap bottom is provided with adjusting panel, described right shell body middle part also fastens and has the lid that can seal installation gap, described right shell body deviates from the end face of left shell and is also inserted with antenna, described function button plate, loudspeaker, battery tray, regulate panel, antenna electric connects and formation closed-loop path, the end face middle part that described left shell deviates from right shell body fixes the catch net that has setting corresponding to loudspeaker, the end face head end that described left shell deviates from right shell body is provided with the eyeglass with the corresponding setting of function button plate, described eyeglass is provided with some buttons, four edges of described battery tray bottom are provided with leg, described battery tray bottom offers two row ventilation holes and some pod apertures, described left shell, on the two lateral wall of right shell body, be equipped with some anti-skidding projections, wherein, described left shell, right shell body are made by ABS composite material, described ABS composite material is become to be grouped into by following parts by weight: ABS:80-100 part, PP:10-20 part, compatilizer: 1-10 part, organic modification montmonrillonite: 1-5 part, anti-stress cracking agent: 2-6 part, triphenyl phosphate: 3-15 part, antioxidant: 0.1-2 part.
Left shell of the present invention and right shell body have formed wireless body, therefore, reduce broadcast receiver volume, will reduce the volume of left shell and right shell body, but reducing under the prerequisite of volume, can not reduce mechanical property, thermal property and the environmental performance of left shell and right shell body, and will have good fineness.Therefore, must strictly screen preparing the material of left shell and right shell body.And as the ABS of one of five large synthetic resin, density only has 1.02-1.05g/cm
3, nonpoisonous and tasteless, the product size of moulding is stablized and is had good gloss, and has the performances such as fabulous impact strength, mechanical strength, resistance to wear, chemical stability, is the preferred material of broadcast receiver left shell of the present invention and right shell body.But the price of ABS is higher than common plastics, left shell prepared by simple employing ABS material and right shell body cost is higher, and ABS elongation at break is less, melt viscosity is very high to the dependence of temperature, shear rate, fluidity of molten is poor, and processing characteristics is general.And PP has good chemical resistance, elongation at break, and good fluidity, but wearing no resistance, impact strength is not high.Therefore, the present invention is blend PP material and some auxiliary modifiers in ABS material, performance advantage complementation can be realized, to obtain the ABS composite material that light weight is inexpensive, cost performance is higher, thereby broadcast receiver left shell and right shell body that performance is more superior can be made.
In above-mentioned a kind of broadcast receiver, in described ABS composite material, compatilizer is one or both mixing in PP-g-MAH, ABS-g-MAH, and the percent grafting of described compatilizer is 0.3-3%.Because PP is crystallinity, nonpolar polymer, solubility parameter is 33.1～33.9 (J/cm
3)
1/2, ABS is the polymer of polarity, random form, solubility parameter is 40.2～41.9 (J/cm
3)
1/2, two kinds of solubility parameter differ greatly, completely immiscible, have very large boundary tension force, so need to add compatilizer to improve Miscibility, to improve blend dispersiveness, improve processability and the mechanical property of co-mixing system.The Compatibilizer PP-g-MAH that the present invention selects and PP have good compatible role, and ABS-g-MAH and ABS have good compatible role, and therefore, the present invention is Compatibilizer PP-g-MAH and the composite use of ABS-g-MAH more preferably.Composite compatilizer adds the compatibility of having improved polypropylene and ABS two-phase in composite material, and along with the compatible effect of increase of compatibilizer content is more obvious, the tensile property of composite material and bending property promote more obvious, but, the content of compatilizer can not be simply increase, show after deliberation, in this composite material after the content of compatilizer surpasses 10 parts, because compatilizer relative molecular mass is less, too much compatilizer produces bad effect to mechanical property in co-mixing system, performance raising is tending towards slowly, and impact strength declines to some extent.
In above-mentioned a kind of broadcast receiver, in described ABS composite material, the parts by weight sum of PP and compatilizer is 20-25 part, and the ratio of the parts by weight of described PP and compatilizer is (2-5): 1.Because PP and ABS are inconsistent systems, PP adds the equal phase structure of having destroyed continuous phase ABS, and PP is even fine being dispersed in ABS well, also just can not effectively transmit stress, thereby caused impact strength, hot strength and the bending property of composite material to decline.Equally, in ABS/ compatilizer system by using, the performance of composite material adds and declines with compatilizer, but slightly higher than the performance of the ABS/PP system of same ratio.Therefore,, in composite material, the parts by weight sum of PP and compatilizer is too much unsuitable.Show after deliberation, in composite material of the present invention, the parts by weight sum of PP and compatilizer should not be over 25 parts, but can not be lower than 20 parts, otherwise can not play the effect of modified ABS material, and the ratio of working as the parts by weight of PP and compatilizer is (3-5): 1, and the performances such as the impact strength of composite material, hot strength reach relative optimum value.
In above-mentioned a kind of broadcast receiver, in described ABS composite material, the particle diameter of organic modification montmonrillonite is 5-10 μ m.Organic modification montmonrillonite is under the promotion of compatilizer, be dispersed in continuous phase ABS and decentralized photo PP, improve degree of crystallinity and the crystalline rate of PP, the impact strength of composite material is increased substantially, multinomial system stretch modulus obviously improves, and elongation at break also increases to some extent.Because physical entanglement effect forms boundary layer, along with increasing of organic modification montmonrillonite, the multinomial system of composite material is enhanced, and makes composite material have good comprehensive mechanical property.
On the other hand, organic modification montmonrillonite can also play fire-retardant synergistic effect with fire retardant triphenyl phosphate, add the ABS composite material of organic modification montmonrillonite and triphenyl phosphate in pyrolytic process, to show good thermal stability, the residual carbon content in the time of 500 ℃ is increased to 11% by 6%.The fire-retardant performance of ABS composite material of having added organic modification montmonrillonite and triphenyl phosphate is significantly improved, and has all reached V-0 burning rank.The test of taper calorimeter shows, when ABS composite material of the present invention adds the organic modification montmonrillonite of 1-5 part and the triphenyl phosphate of 3-15 part simultaneously, the purer ABS of HRR peak value has reduced 50-60%, and the total heat release of pure ABS exceeds 120MJm than the ABS composite material adding after organic modification montmonrillonite and triphenyl phosphate fire retardant
-2, the peak of mass loss rate has reduced more than 50%, and the peak of raw cigarette speed has reduced by 50% left and right, and always raw cigarette amount also has obvious reduction, has improved the fire resistance of ABS composite material.
In above-mentioned a kind of broadcast receiver, in described ABS composite material, anti-stress cracking agent is one or both in ethyl-hydrogenated nitrile-acrylate ternary polymerization graft, acrylic acid-grafted polyolefin elastic precursor copolymer.For prevent ABS composite material in the course of processing due to factors such as processing technology and moulds, cause the problems such as the excessive or residual stress concentrations of goods internal stress and easily occur cracking, push up the problems such as white, the present invention in composite material blend in advance appropriate anti-stress cracking agent, to reach the problem of improving goods crackings.
Adding of antioxidant is mainly in order to suppress the oxygenolysis of airborne oxygen to composite material, improves the reservation that composite material heats rear physical property in aerobic air.Described antioxidant is also one or more in commercially available common antioxidant, as: antioxidant B215, antioxidant B225, antioxidant 1010, antioxidant 1076.
In above-mentioned a kind of broadcast receiver, the preparation method of described left shell and right shell body comprises the following steps:
S1: take raw material by the constituent of above-mentioned left shell and right shell body and parts by weight thereof;
S2: the above-mentioned raw material taking is mixed and added in the barrel of screw injection molding machine, be heated to molten condition;
S3, the raw material of molten condition is expelled in left shell and right shell body mould through nozzle, through pressurize, cooling left shell and the right shell body of obtaining.
Further, in the step S2 in the preparation method of described left shell and right shell body, barrel front-end temperature is 200-210 ℃, and stage casing temperature is 210-230 ℃, and back segment temperature is 180-200 ℃.
Further, mold temperature described in the step S3 in the preparation method of described left shell and right shell body is 40-80 ℃, and injection pressure is 70-120MPa, be 2-5s inject time, dwell pressure is 50-70MPa, and the dwell time is 15-30s, and be 15-30s cooling time.
In above-mentioned a kind of broadcast receiver, the outer surface of described left shell, right shell body, battery tray is coated with overcoat.
In above-mentioned a kind of broadcast receiver, described eyeglass place plane and catch net place plane are angle setting.
Compared with prior art, the present invention has following advantage:
1. in the present invention, left shell, right shell body, battery tray three are tightly connected, and make integral outer sealing structure effective; Each parts of body interior are fixed, and integral structure layout is reasonable and volume is little, in transportation and use procedure, have good anti seismic efficiency; Eyeglass and lid play fine protection against the tide, dustproof texts, and catch net can play good dust-proof effect.
2. the wireless left shell of the present invention and right shell body are made by the compound PP of ABS and some auxiliary modifiers, and light weight is inexpensive, and combination property is good, and has good glossiness, and cost performance is high, is reducing under the prerequisite of volume and weight, and combination property does not reduce.
3. the present invention is prepared in the ABS composite material of wireless left shell and right shell body because ABS is incompatible with PP, added compatilizer to improve the compatibility of composite system, and control the parts by weight sum of PP and compatilizer, to guarantee the combination property of composite material.
4. the present invention prepares in the ABS composite material of wireless left shell and right shell body and has added organic modification montmonrillonite, improve the comprehensive mechanical property of composite material, and can also play fire-retardant synergistic effect with fire retardant triphenyl phosphate, improve the anti-flammability of composite material.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the structural representation at another visual angle of broadcast receiver shown in Fig. 1.
Fig. 3 is the structural representation at another visual angle of Fig. 2.
Fig. 4 is the explosive view of a preferred embodiment of the present invention.
In figure, 11, left shell; 12, right shell body; 121, installation gap; 20, the first fixed head; 30, function button plate; 40, the second fixed head; 50, loudspeaker; 60, battery tray; 61, plug; 62, leg; 63, ventilation hole; 70, regulate panel; 80, lid; 91, antenna; 92, catch net; 93, eyeglass; 931, button; 100, anti-skidding projection.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figures 1 to 4, this broadcast receiver comprises between the body that consists of left shell 11 and right shell body 12 and left shell 11 and right shell body 12 and fastens and be formed with cavity volume, at body head end, be provided with between the first fixed head 20 and the first fixed head 20 and left shell 11 and be installed with function button plate 30, at body middle part, be provided with between the second fixed head 40 and the second fixed head 40 and left shell 11 and be provided with loudspeaker 50, in body tip, be provided with and there is the battery tray 60 of plug 61 and battery tray 60 clampings are arranged between left shell 11 and right shell body 12, left shell 11, right shell body 12, battery tray 60 threes be tightly connected, the end face middle part that right shell body 12 deviates from left shell 11 offers installation gap 121 and installation gap 121 bottoms and is provided with and regulates panel 70, right shell body 12 middle parts also fasten the lid 80 that can seal installation gap 121, right shell body 12 deviates from the end face of left shell 11 and is also inserted with antenna 91, function button plate 30, loudspeaker 50, battery tray 60, regulate panel 70, antenna 91 is electrically connected to and forms closed-loop path, the end face middle part that left shell 11 deviates from right shell body 12 fixes the catch net 92 having with the corresponding setting of loudspeaker 50, the end face head end that left shell 11 deviates from right shell body 12 is provided with the eyeglass 93 with the corresponding setting of function button plate 30, eyeglass 93 is provided with a plurality of buttons 931, four edges of battery tray 60 bottoms are provided with leg 62, battery tray 60 bottoms offer two row ventilation holes 63 and a plurality of pod apertures (not shown), left shell 11, on the two lateral wall of right shell body 12, be equipped with a plurality of anti-skidding protruding 100.
This broadcast receiver is under initial condition, and left shell 11, right shell body 12, battery tray 60 threes are tightly connected, and make integral outer sealing structure effective.Each parts of body interior are fixed in cavity volume securely, and integral structure layout is reasonable and volume is little, in transportation and use procedure, have good anti seismic efficiency.
Function button plate 30 is provided with a plurality of control switchs, cooperatively interacts with the button 931 on eyeglass 93, reasonable in design and simple in structure, has realized wireless multi-functional control, makes broadcast receiver versatility wider.In addition, eyeglass 93 in use, has played protective effect to the electronic component on function button plate 30, has protection against the tide, dustproof, resistance to compression, the beneficial effect such as wear-resisting.
Catch net 92 in this case itself has a plurality of voice guide holes, can guarantee the sound of radio horn 50 smoothly out, and catch net 92 can play good dust-proof effect, has so both guaranteed wireless tonequality, does not affect again wireless sealing property.
Battery tray 60 is provided with plug 61, makes battery tray 60 can realize charge function, makes broadcast receiver change battery tray 60 without frequent, thereby realized broadcast receiver, continues the function of using.In addition, on battery tray 60, the design of ventilation hole 63 can be circulated intrinsic air in order, keeps the environment of cavity volume inner drying and ventilation, and electronic component has been played to certain protective role.The design of pod apertures, body is broken after water under external world's shock, enter the fast automatic discharge of water energy in radio reception body, pod apertures has played good drain measure effect, reasonable in design and improved whole wireless useful life, pod apertures has also played the effect of secondary ventilation.
Regulate on panel 70 and can be provided with the auxiliary plug-ins such as mains switch, external audio socket, make broadcast receiver can also be used as audio amplifier and use, realized wireless multifunction.Wherein, right shell body 12 adopts snap-in connection of sealing with lid 80; there is preferably sealing effectiveness; wireless protection against the tide, dustproof texts have been promoted; and inner electronic component has been played and preferably protected effect; reasonable in design and use simply, it is all more convenient that people open and close lid 80.
Battery tray 60 four legs 62 in bottom reasonable in design, had both played supporting role, made again to have certain altitude between broadcast receiver and placed side (ground), had played certain waterproof and dustproof effect.
In this case anti-skidding protruding 100 both can be chosen as point-like projection, also can be chosen as strip projected parts, simple in structure and reasonable in design, anti-skidding protruding 100 arrange can increase the frictional force of left shell 11, right shell body 12 and extraneous (palm), can be anti-skidding and increase feel, can guarantee again this broadcast receiver carry or course of conveying in more stable, be not easy landing.
Further preferably, the outer surface of left shell 11, right shell body 12, battery tray 60 is coated with overcoat.Overcoat may be selected to be enamelled coating, and overcoat has good moisture resistance moisture-proof function, and overcoat also plays certain dust-tight effect, is convenient to broadcast receiver clean, and the radio reception function of this case is applied in the moister environment such as booth cultivation, and versatility is wide.
Preferably, eyeglass 93 place planes and catch net 92 place planes are angle setting, and such structural design makes whole broadcast receiver handsome in appearance, reasonable in design and easy to process.
Above-mentioned left shell 11 and right shell body 12 are made by ABS composite material, described ABS composite material is become to be grouped into by following parts by weight: ABS:80-100 part, PP:10-20 part, compatilizer: 1-10 part, organic modification montmonrillonite: 1-5 part, anti-stress cracking agent: 2-6 part, triphenyl phosphate: 3-15 part, antioxidant: 0.1-2 part.
Table 1: the constituent of embodiment of the present invention 1-4 left shell and right shell body and parts by weight thereof
Embodiment 1:
Constituent and parts by weight thereof by 1 left shell of embodiment in table 1 and right shell body take raw material, and the percent grafting of controlling compatilizer ABS-g-MAH in raw material is 0.6%, and the particle diameter of organic modification montmonrillonite is 5 μ m.Then the raw material taking mixed and add in the barrel of screw injection molding machine, controlling barrel front-end temperature is 200 ℃, and stage casing temperature is 210 ℃, and back segment temperature is 180 ℃, and heating raw materials is arrived to molten condition.Then the raw material of molten condition being expelled to temperature through nozzle is that in the left shell and right shell body mould of 40 ℃, injection pressure is 70MPa, and be 5s inject time.After injection under 50MPa pressure pressurize 30s, then cooling 15s obtains left shell and right shell body.
Embodiment 2:
Constituent and parts by weight thereof by 2 left shells of embodiment in table 1 and right shell body take raw material, and the percent grafting of controlling Compatibilizer PP-g-MAH in raw material is 1%, and the particle diameter of organic modification montmonrillonite is 6 μ m.Then the raw material taking mixed and add in the barrel of screw injection molding machine, controlling barrel front-end temperature is 205 ℃, and stage casing temperature is 215 ℃, and back segment temperature is 190 ℃, and heating raw materials is arrived to molten condition.Then the raw material of molten condition being expelled to temperature through nozzle is that in the left shell and right shell body mould of 55 ℃, injection pressure is 85MPa, and be 4s inject time.After injection under 55MPa pressure pressurize 25s, then cooling 20s obtains left shell and right shell body.
Embodiment 3:
Constituent and parts by weight thereof by 3 left shells of embodiment in table 1 and right shell body take raw material, and the percent grafting of controlling compatilizer in raw material is 2%, and the particle diameter of organic modification montmonrillonite is 8 μ m.Then the raw material taking mixed and add in the barrel of screw injection molding machine, controlling barrel front-end temperature is 205 ℃, and stage casing temperature is 220 ℃, and back segment temperature is 195 ℃, and heating raw materials is arrived to molten condition.Then the raw material of molten condition being expelled to temperature through nozzle is that in the left shell and right shell body mould of 65 ℃, injection pressure is 100MPa, and be 3s inject time.After injection under 65MPa pressure pressurize 20s, then 25s obtains left shell and right shell body.
Embodiment 4:
Constituent and parts by weight thereof by 4 left shells of embodiment in table 1 and right shell body take raw material, and the percent grafting of controlling compatilizer in raw material is 3%, and the particle diameter of organic modification montmonrillonite is 10 μ m.Then the raw material taking mixed and add in the barrel of screw injection molding machine, controlling barrel front-end temperature is 210 ℃, and stage casing temperature is 230 ℃, and back segment temperature is 200 ℃, and heating raw materials is arrived to molten condition.Then the raw material of molten condition being expelled to temperature through nozzle is that in the left shell and right shell body mould of 80 ℃, injection pressure is 120MPa, and be 2s inject time.After injection under 70MPa pressure pressurize 15s, then 30s obtains left shell and right shell body.
The left shell that embodiment of the present invention 1-4 is made and right shell body carry out performance test, and test result is as shown in table 2.Because the left shell of embodiment of the present invention 1-4 is made with right shell body employing constituent and the identical ABS composite material of parts by weight thereof, therefore, test result is actual is the mean value of left shell and right shell body the performance test results.
Table 2: embodiment of the present invention 1-4 makes the performance test results of left shell and right shell body
As known from Table 2, embodiment of the present invention 1-4 makes left shell and right shell body have excellent mechanical property, dimensional stability and anti-flammability.
The left shell that the embodiment of the present invention is made and right shell body form the wireless body of the present invention, and light weight is inexpensive, and combination property is good, and has good glossiness, and cost performance is high, at volume, reduce under the prerequisite with weight saving, and combination property does not reduce.On the other hand, the left shell that the embodiment of the present invention makes, right shell body and battery tray three are tightly connected, and make integral outer sealing structure effective, and eyeglass and lid play fine protection against the tide, dustproof texts, and catch net can play good dust-proof effect.Solved existing wireless sealing property outstanding, the shortcoming of performing poor at the aspect such as moistureproof, dustproof, makes wireless environment for use wider.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. a broadcast receiver, comprise between the body that formed by left shell and right shell body and left shell and right shell body and fasten and be formed with cavity volume, it is characterized in that, at body head end, be provided with between the first fixed head and the first fixed head and left shell and be installed with function button plate, at body middle part, be provided with between the second fixed head and the second fixed head and left shell and be provided with loudspeaker, in body tip, be provided with and there is the battery tray of plug and battery tray clamping is arranged between left shell and right shell body, described left shell, right shell body, battery tray three be tightly connected, the end face middle part that described right shell body deviates from left shell offers installation gap and installation gap bottom is provided with adjusting panel, described right shell body middle part also fastens and has the lid that can seal installation gap, described right shell body deviates from the end face of left shell and is also inserted with antenna, described function button plate, loudspeaker, battery tray, regulate panel, antenna electric connects and formation closed-loop path, the end face middle part that described left shell deviates from right shell body fixes the catch net that has setting corresponding to loudspeaker, the end face head end that described left shell deviates from right shell body is provided with the eyeglass with the corresponding setting of function button plate, described eyeglass is provided with some buttons, four edges of described battery tray bottom are provided with leg, described battery tray bottom offers two row ventilation holes and some pod apertures, described left shell, on the two lateral wall of right shell body, be equipped with some anti-skidding projections, wherein, described left shell, right shell body are made by ABS composite material, described ABS composite material is become to be grouped into by following parts by weight: ABS:80-100 part, PP:10-20 part, compatilizer: 1-10 part, organic modification montmonrillonite: 1-5 part, anti-stress cracking agent: 2-6 part, triphenyl phosphate: 3-15 part, antioxidant: 0.1-2 part.
2. a kind of broadcast receiver according to claim 1, is characterized in that, in described ABS composite material, compatilizer is one or both mixing in PP-g-MAH, ABS-g-MAH, and the percent grafting of described compatilizer is 0.3-3%.
3. a kind of broadcast receiver according to claim 1, is characterized in that, in described ABS composite material, the parts by weight sum of PP and compatilizer is 20-25 part, and the ratio of the parts by weight of described PP and compatilizer is (2-5): 1.
4. a kind of broadcast receiver according to claim 1, is characterized in that, in described ABS composite material, the particle diameter of organic modification montmonrillonite is 5-10 μ m.
5. a kind of broadcast receiver according to claim 1, is characterized in that, in described ABS composite material, anti-stress cracking agent is one or both in ethyl-hydrogenated nitrile-acrylate ternary polymerization graft, acrylic acid-grafted polyolefin elastic precursor copolymer.
6. a kind of broadcast receiver according to claim 1, is characterized in that, the preparation method of described left shell and right shell body comprises the following steps:
S1: take raw material by the constituent of the left shell described in claim 1 and right shell body and parts by weight thereof;
S2: the above-mentioned raw material taking is mixed and added in the barrel of screw injection molding machine, be heated to molten condition;
S3, the raw material of molten condition is expelled in left shell and right shell body mould through nozzle, through pressurize, cooling left shell and the right shell body of obtaining.
7. a kind of broadcast receiver according to claim 6, is characterized in that, in the step S2 in the preparation method of described left shell and right shell body, barrel front-end temperature is 200-210 ℃, and stage casing temperature is 210-230 ℃, and back segment temperature is 180-200 ℃.
8. a kind of broadcast receiver according to claim 6, it is characterized in that, mold temperature described in step S3 in the preparation method of described left shell and right shell body is 40-80 ℃, injection pressure is 70-120MPa, be 2-5s inject time, dwell pressure is 50-70MPa, and the dwell time is 15-30s, and be 15-30s cooling time.
9. a kind of broadcast receiver according to claim 1, is characterized in that, the outer surface of described left shell, right shell body, battery tray is coated with overcoat.
10. a kind of broadcast receiver according to claim 9, is characterized in that, described eyeglass place plane and catch net place plane are angle setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330584.9A CN104135297B (en) | 2014-07-11 | 2014-07-11 | A kind of radio |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330584.9A CN104135297B (en) | 2014-07-11 | 2014-07-11 | A kind of radio |
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| CN104135297A true CN104135297A (en) | 2014-11-05 |
| CN104135297B CN104135297B (en) | 2016-09-21 |
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| CN201410330584.9A Expired - Fee Related CN104135297B (en) | 2014-07-11 | 2014-07-11 | A kind of radio |
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