JPH02281695A - Sound deadening housing - Google Patents
Sound deadening housingInfo
- Publication number
- JPH02281695A JPH02281695A JP10292589A JP10292589A JPH02281695A JP H02281695 A JPH02281695 A JP H02281695A JP 10292589 A JP10292589 A JP 10292589A JP 10292589 A JP10292589 A JP 10292589A JP H02281695 A JPH02281695 A JP H02281695A
- Authority
- JP
- Japan
- Prior art keywords
- resin layer
- housing
- layer
- foamed resin
- hard resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims abstract description 122
- 229920005989 resin Polymers 0.000 claims abstract description 122
- 239000011800 void material Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 abstract description 99
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract description 5
- -1 polyethylene Polymers 0.000 abstract description 4
- 239000004793 Polystyrene Substances 0.000 abstract description 3
- 229920002223 polystyrene Polymers 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 abstract description 2
- 229920000638 styrene acrylonitrile Polymers 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 101100305924 Caenorhabditis elegans hoe-1 gene Proteins 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は電気掃除器等のハウジングとして好適な消音性
ハウジングに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sound-absorbing housing suitable as a housing for a vacuum cleaner or the like.
［従来の技術と発明が解決しようとする課題］従来、電
気掃除器等のハウシングは、機械的強度保持させるため
、一般に成形加工された硬質樹脂で形成されている。こ
の硬質樹脂製ノ１ウジングは、清掃作業時に家具等と衝
突しても、衝撃に耐える強度を有しているものの、家具
等を傷付は易いだけでなく、重くしかも消音性が十分で
ない。[Prior Art and Problems to be Solved by the Invention] Conventionally, housings for vacuum cleaners and the like have generally been made of molded hard resin in order to maintain mechanical strength. Although this hard resin housing has the strength to withstand impact even if it collides with furniture etc. during cleaning work, it not only easily damages furniture etc., but is also heavy and does not have sufficient sound deadening properties.
また家具等に傷が付くのを防止するため、第８図に示さ
れるような電気掃除器用ノ＼ウジングが知られている。Further, in order to prevent furniture and the like from being scratched, a cleaning device for a vacuum cleaner as shown in FIG. 8 is known.
第８図は従来の電気掃除器用／１ウジングを示す概略端
面図であり、吸気口及び排気口を有すると共に内部にモ
ータ等を収容するハウジングは、硬質樹脂製のハウジン
グ部材（４１ａ） （４１ｂ）からなるハウジング本体
（４１）と、ゴム等の緩衝性を有する材料で形成され、
ハウジング本体（４１）の全周側部に突出した状態で帯
状に設けられた緩衝部材（４２）とで構成されている。FIG. 8 is a schematic end view showing a conventional vacuum cleaner/1 housing. The housing, which has an intake port and an exhaust port and houses a motor etc. inside, is made of hard resin housing members (41a) (41b). A housing body (41) consisting of a housing body (41) made of a cushioning material such as rubber,
The buffer member (42) is provided in a band shape and protrudes from the entire circumferential side of the housing body (41).
なお、ハウジング部材（４１ａ）（４１ｂ）の端面は一
体に接合されている。Note that the end surfaces of the housing members (41a) and (41b) are joined together.
この電気掃除器用ハウジングによると、ハウジング本体
（４１）の周側部に緩衝部材（４２）が突出した帯状に
設けられているため、家具等にハウジングが衝突しても
緩衝部材（４２）の緩衝作用により傷付きを成る程度防
止できる。According to this housing for a vacuum cleaner, since the buffer member (42) is provided in a protruding band shape on the circumferential side of the housing body (41), even if the housing collides with furniture etc., the buffer member (42) provides a buffer. This action can prevent scratches to a certain degree.
しかしながら、上記のハウジングでは、緩衝部材（４２
）を帯状に設ける必要があるため、生産性が十分でなく
、コスト高となる。しかも、ハウジング本体（４■）が
硬質樹脂で形成されているため、重く、かつ電気掃除器
等の吸引排気に伴い発生する騒音を防止することが困難
である。However, in the above housing, the buffer member (42
) is required to be provided in a band shape, resulting in insufficient productivity and high costs. Furthermore, since the housing body (4) is made of hard resin, it is heavy and it is difficult to prevent noise generated by suction and exhaust from a vacuum cleaner or the like.
本発明の目的は、軽量で、かつ消音性に優れた消音性ハ
ウジングを提供することにある。An object of the present invention is to provide a sound-dampening housing that is lightweight and has excellent sound-dampening properties.
［課題を解決するための手段および作用］本発明は、樹
脂層と、該樹脂層と積層状態の空隙層とを有する消音性
ハウジングにより、上記課題を解決するものである。[Means and Effects for Solving the Problems] The present invention solves the above problems with a sound-dampening housing having a resin layer and a void layer laminated with the resin layer.
上記構成の消音性ハウジングによれば、樹脂層だけでな
く、空隙層を含んでいるため、軽量である。また空隙層
の空隙により消音することができる。なお、樹脂層の材
質や空隙層の構造等により大きな機械的強度を確保でき
る。According to the sound-absorbing housing configured as described above, since it includes not only the resin layer but also the void layer, it is lightweight. Moreover, the sound can be muffled by the voids in the void layer. Note that high mechanical strength can be ensured by changing the material of the resin layer, the structure of the void layer, etc.
［実施例］
以下に、添付図面に基づいて本発明の実施例を詳細に説
明する。[Example] Hereinafter, an example of the present invention will be described in detail based on the accompanying drawings.
第１図は本発明の一実施例を示す概略端面図であり、電
気掃除器用ハウジングは、樹脂層としての硬質樹脂層（
１）と、該硬質樹脂層（１）の外面に積層一体止された
発泡樹脂層（２）とで構成されている。FIG. 1 is a schematic end view showing one embodiment of the present invention, in which the vacuum cleaner housing has a hard resin layer (as a resin layer).
1) and a foamed resin layer (2) that is laminated and integrally fixed to the outer surface of the hard resin layer (1).
上記硬質樹脂層（１）は複数の硬質樹脂部材（ｌａ）（
ｌｂ）で構成され、発泡樹脂層口は複数の発泡樹脂部材
（２ａ） （２ｂ）で構成されている。すなわち、各硬
質樹脂部材（ｌａ） （ｌｂ）と各発泡樹脂部材（２ａ
） （２ｂ）とからなるハウジング部材の端面を互いに
接合一体止することにより消音性ハウジングが構成され
ている。The hard resin layer (1) includes a plurality of hard resin members (la) (
lb), and the foamed resin layer opening is composed of a plurality of foamed resin members (2a) (2b). That is, each hard resin member (la) (lb) and each foam resin member (2a)
) (2b) A sound-deadening housing is constructed by integrally joining together the end surfaces of the housing member consisting of (2b) and (2b).
なお、発泡樹脂層（２）は空隙層を構成する。Note that the foamed resin layer (2) constitutes a void layer.
上記硬質樹脂層（１）は、硬質樹脂、例えば、ポリスチ
レン、スチレン−アクリロニトリル等のスチレン系ポリ
マー ポリメタクリル酸メチル等のアクリル樹脂、ポリ
塩化ビニル、ポリカーボネート、ポリアセタール、ポリ
エステル、ポリアミド、ポリフェニレンオキサイド、ポ
リスルホン、ポリエーテルスルホン、ポリフェニレンス
ルフィド等が例示され、少なくとも一種使用される。The hard resin layer (1) is made of hard resins, such as polystyrene, styrene polymers such as styrene-acrylonitrile, acrylic resins such as polymethyl methacrylate, polyvinyl chloride, polycarbonate, polyacetal, polyester, polyamide, polyphenylene oxide, polysulfone, Examples include polyether sulfone and polyphenylene sulfide, and at least one of them is used.
また硬質樹脂層（１）の厚みは、所望する機械的強度に
応じて設定できるが、通常２〜５０ ｍｍ、好ましくは
３〜２５ｍｍ程度である。The thickness of the hard resin layer (1) can be set depending on the desired mechanical strength, but is usually about 2 to 50 mm, preferably about 3 to 25 mm.
また発泡樹脂層（２）は、例えば、ポリエチレン、ポリ
プロピレン、エチレン−プロピレン共重合体等のオレフ
ィン系ポリマー、ポリスチレン、スチレン−ブタジェン
共重合体等のスチレン系ポリマ、アクリル樹脂、ポリ塩
化ビニル、ポリエステル、ポリウレタン等が例示される
。これらの樹脂のうち吸音性に優れる軟質樹脂、例えば
、オレフィン系ポリマー、特にポリウレタン、軟質ポリ
塩化ビニル等が好ましい。これらの樹脂は、少なくとも
一種使用される。The foamed resin layer (2) may be made of, for example, olefin polymers such as polyethylene, polypropylene, ethylene-propylene copolymer, styrene polymers such as polystyrene, styrene-butadiene copolymer, acrylic resin, polyvinyl chloride, polyester, Examples include polyurethane. Among these resins, soft resins with excellent sound absorption properties, such as olefin polymers, particularly polyurethane, and soft polyvinyl chloride, are preferred. At least one of these resins is used.
発泡樹脂層（２）の発泡倍率は、軽量性、消音性及び強
度を損わない範囲であれば、特に制限されなイカ、通常
２〜１００倍、好ましくは５〜７５倍程度である。なお
、発泡樹脂層■の気泡は、独立気泡であってもよいが、
吸音性に優れる連通気泡であるのが好ましい。The foaming ratio of the foamed resin layer (2) is not particularly limited as long as it does not impair lightness, sound deadening properties, and strength, and is usually about 2 to 100 times, preferably about 5 to 75 times. Note that the cells in the foamed resin layer (■) may be closed cells, but
It is preferable to use open-cell foam that has excellent sound absorption properties.
また発泡樹脂層（２）の厚みは、通常１〜５０ ｍｍ
％好ましくは３〜２５ｍｍ程度である。The thickness of the foamed resin layer (2) is usually 1 to 50 mm.
% is preferably about 3 to 25 mm.
なお、発泡樹脂層（２）の表面には表皮層が形成されて
いる。また硬質樹脂層（１）と発泡樹脂層（２）とは、
接着剤層を介して積層されていてもよいが、一体性を高
めるため、一体成形されているのが好ましい。また前記
硬質樹脂部材（ｌａ） （ｌｂ）と発泡樹脂部材（２ａ
） （２ｂ）の端面は、接着剤等で接合されていてもよ
りが、一体性を大きくするため、超音波溶着等の溶着手
段により一体化しているのが好ましい。Note that a skin layer is formed on the surface of the foamed resin layer (2). In addition, the hard resin layer (1) and the foamed resin layer (2) are
Although they may be laminated with an adhesive layer in between, it is preferable that they be integrally molded to improve integrity. In addition, the hard resin members (la) (lb) and the foamed resin member (2a)
) The end faces of (2b) may be joined with an adhesive or the like, but in order to increase the integrity, it is preferable that they be integrated by welding means such as ultrasonic welding.
なお、硬質樹脂層（１）及び発泡樹脂層（２）は、複数
の硬質樹脂部材（ｌａ） （ｌｂ）と複数の発泡樹脂部
材（２ａ）（２ｂ）によらず、それぞれ１つの硬質樹脂
層及び発泡樹脂層で形成されていてもよい。Note that the hard resin layer (1) and the foamed resin layer (2) are each one hard resin layer, regardless of the plurality of hard resin members (la) (lb) and the plurality of foamed resin members (2a) (2b). and a foamed resin layer.
このような構造のハウジングによると、外面全体に亘り
積層された発泡樹脂層（２）が緩衝性を有しているので
、家具等の傷付きを確実に防止できる。According to the housing having such a structure, the foamed resin layer (2) laminated over the entire outer surface has a cushioning property, so that scratches on furniture, etc. can be reliably prevented.
また硬質樹脂層（１）で機械的強度を確保しつつ発泡樹
脂層（２）の気泡により吸音性を確保でき、軽量化でき
る。Further, while ensuring mechanical strength with the hard resin layer (1), sound absorbing properties can be ensured with the bubbles of the foamed resin layer (2), and the weight can be reduced.
なお、消音性ハウジングは、硬質樹脂層と発泡樹脂層と
の二層構造に限らず、複数の層で形成されていてもよい
。例えば、発泡樹脂層の両面に樹脂層が積層されていて
もよく、複数の樹脂層と複数の発泡樹脂層とが順次積層
されていてもよい。Note that the sound-absorbing housing is not limited to a two-layer structure of a hard resin layer and a foamed resin layer, but may be formed of a plurality of layers. For example, resin layers may be laminated on both sides of the foamed resin layer, or a plurality of resin layers and a plurality of foamed resin layers may be sequentially laminated.
これらの場合、上記複数の樹脂層のうちは少なくとも一
方の樹脂層が硬質樹脂で形成されていればよく、他の樹
脂層は、前記例示の種々の樹脂で形成できる。このよう
な構造のハウジングであっても、硬質樹脂層により機械
的強度を確保でき、発泡樹脂層により軽量化できるとと
もに吸音性を確保できる。In these cases, it is sufficient that at least one of the plurality of resin layers is formed of a hard resin, and the other resin layer can be formed of the various resins listed above. Even with a housing having such a structure, mechanical strength can be ensured by the hard resin layer, weight can be reduced by the foamed resin layer, and sound absorption properties can be ensured.
なお、発泡樹脂層は、少なくとも前記例示のポリマーと
発泡剤とを含む樹脂組成物を溶融押出し成形することに
より形成できる。また樹脂層及び発泡樹脂層は、紫外線
吸収剤、酸化防止剤等の老化防止剤、可塑剤、安定化剤
、充填剤、着色剤、難燃剤、帯電防止剤等の添加剤を含
有していてもよい。Note that the foamed resin layer can be formed by melt-extruding a resin composition containing at least the above-mentioned polymer and a foaming agent. In addition, the resin layer and foamed resin layer contain additives such as ultraviolet absorbers, anti-aging agents such as antioxidants, plasticizers, stabilizers, fillers, colorants, flame retardants, and antistatic agents. Good too.
上記種々の構造のハウジングを構成するハウジング部材
は、例えば、第５図に示されるような成形機を用いて、
多段階インジェクション法により一体成形できる。この
成形機は、複数の雄型（４ａ）（４ｂ）を有する回転盤
（３）と、進退動する複数の押出し機（５ａ） （５ｂ
）と、該押出し機（５ａ） （５ｂ）にそれぞれ接続さ
れ、キャビティ（７ａ）（７ｂ）が形成された雌型（６
ａ） （６ｂ）とを有している。そして、第６図に示さ
れるように、一方の押出し機（５ａ）を前方へ移動させ
、雌型（６ａ）のキャビティ（７ａ）に回転盤（３）の
うち一方の雄型（４ａ）を収容した状態で、押出し機（
５ａ）から溶融した硬質樹脂を押出すことにより、硬質
樹脂部材（ｌａ）（ｌｂ）を形成する。また硬質樹脂部
材（Ｌａ） （Ｌｂ）を形成した後、一方の押出し機（
５ａ）を後方へ移動させ、硬質樹脂部材（ｌａ） （ｌ
ｂ）と雌型（６ａ）を離型させた後、該雄型（４ａ）に
硬質樹脂部材（ｌａ）（ｔｂ）を保持した状態で回転盤
（３）を回転させると共に他方の押出し機（５ｂ）を前
方へ移動させ、他方の雌型（６ｂ）のキャビティ（７ｂ
）に、硬質樹脂部材（１ａ）（ｔｂ）を保持した雄型（
４ａ）を収容する。次いで、第７図に示されるように、
他方の押出し機（５ｂ）から発泡可能な溶融樹脂を押出
すことにより、硬質樹脂部材（ｌａ） （ｌｂ）と一体
止した発泡樹脂部材（２ａ）（２ｂ）を形成できる。The housing members constituting the housings of the various structures described above are manufactured using, for example, a molding machine as shown in FIG.
Can be integrally molded using a multi-step injection method. This molding machine includes a rotary disk (3) having a plurality of male molds (4a) (4b), and a plurality of extruders (5a) (5b) that move forward and backward.
), and a female mold (6
a) (6b). Then, as shown in FIG. 6, one of the extruders (5a) is moved forward, and one of the male molds (4a) of the rotary disk (3) is inserted into the cavity (7a) of the female mold (6a). In the housed state, use the extruder (
Hard resin members (la) (lb) are formed by extruding the molten hard resin from 5a). Also, after forming the hard resin members (La) (Lb), one extruder (
5a) to the rear and hard resin members (la) (l
b) and the female mold (6a), the rotating disk (3) is rotated while holding the hard resin members (la) and (tb) in the male mold (4a), and the other extruder ( 5b) forward and fill the cavity (7b) of the other female mold (6b).
) and a male mold (
4a). Then, as shown in FIG.
By extruding the foamable molten resin from the other extruder (5b), foamed resin members (2a) (2b) integrally fixed with the hard resin members (la) (lb) can be formed.
また第７図に示される状態では、回転盤（３）の回転に
伴い、他方の雄型（４ｂ）が一方の押出し機（５ａ）側
に位置するので、一方の押出し機（５ａ）を前進させ、
他方の雄型（４ｂ）を一方の雌型（６ａ）のキャビィテ
ィ（７ａ）に収容できる。In addition, in the state shown in FIG. 7, as the rotary disk (3) rotates, the other male mold (4b) is located on the one extruder (5a) side, so one extruder (5a) is moved forward. let me,
The other male mold (4b) can be accommodated in the cavity (7a) of one female mold (6a).
従って、回転盤（３）の回転と、押出し機（５ａ） （
５ｂ）の進退動を交互に行なうことにより、硬質樹脂部
材（ｌａ） （ｌｂ）と発泡樹脂部材（２ａ） （２ｂ
）とが積層一体止されたハウジングを連続的に製造でき
る。Therefore, the rotation of the turntable (3) and the extruder (5a) (
By alternately advancing and retracting 5b), the hard resin members (la) (lb) and the foamed resin members (2a) (2b)
) can be manufactured continuously.
なお、ハウジング部材の突合せ端部には凹凸段部が形成
されている。従って、ハウジング部材の凹凸段部を互い
に嵌合させることができるので、ハウジングの一体性を
より一層高めることができる。Note that an uneven step portion is formed at the abutting end portion of the housing member. Therefore, since the uneven stepped portions of the housing member can be fitted into each other, the integrity of the housing can be further improved.
また一方の雌型（６ａ）のキャビティ（７ａ）は、他方
の雌型（６ｂ）のキャビティ（７ｂ）よりも小さく形成
されている。従って、硬質樹脂部材（ｌａ） （ｌｂ）
及び発泡樹脂部材（２ａ） （２ｂ）の厚みを上記キャ
ビティ（７ａ）（７ｂ）に応じて調整でき、所定の厚み
を有するハウジング部材を形成できる。Moreover, the cavity (7a) of one female mold (6a) is formed smaller than the cavity (7b) of the other female mold (6b). Therefore, the hard resin member (la) (lb)
The thickness of the foamed resin members (2a) and (2b) can be adjusted according to the cavities (7a) and (7b), and a housing member having a predetermined thickness can be formed.
また図示する例では、２層構造のハウジングを製造する
場合を例にとって説明したが、雄型を有する回転盤の周
囲に、雌型を有する多数の押出し機を設け、上記と同様
にして、樹脂層及び発泡樹脂層を順次形成することによ
り、多層構造のノ＼ウジングを形成できる。Furthermore, in the example shown in the drawings, a case has been explained in which a housing with a two-layer structure is manufactured. However, a large number of extruders having female molds are provided around a rotary disk having a male mold, and the resin is produced in the same manner as described above. By sequentially forming layers and foamed resin layers, a multilayered nousing can be formed.
本発明の消音性ハウジングは、樹脂層と、該樹脂層と積
層状態の空隙層とを有していればよい。The sound-absorbing housing of the present invention only needs to have a resin layer and a void layer laminated with the resin layer.
また空隙層は前記発泡樹脂層に限らず種々の形態で構成
できる。第２図は本発明の他の実施例を示す概略断面斜
視図であり、ハウジングは、内面に縦横方向に補強リブ
（１３ａ） （１３ｂ）が形。成された複数の樹脂部材
（ｌｌａ）（ｌｌｂ）からなる樹脂層（１１）と、各樹
脂部材（ｌｌａ） ＜１ｌｂ）の外面に一体に積層され
た発泡樹脂部材（１２ａ） （１２ｂ）からなる発泡樹
脂層（■２）とで構成されている。このような構造のハ
ウジングによると、前記と同様に、傷付き防止、吸音性
に優れ、軽量化できると共に、樹脂層（１１）に補強リ
ブ（１３ａ） （１３ｂ）が形成されているので、補強
性に優れる。Furthermore, the void layer is not limited to the foamed resin layer, and can be configured in various forms. FIG. 2 is a schematic cross-sectional perspective view showing another embodiment of the present invention, in which the housing has reinforcing ribs (13a) and (13b) formed in the vertical and horizontal directions on the inner surface. The resin layer (11) is made up of a plurality of resin members (lla) (llb), and the foamed resin members (12a) (12b) are integrally laminated on the outer surface of each resin member (lla) (1lb). It is composed of a foamed resin layer (■2). According to the housing having such a structure, as described above, it has excellent scratch prevention, sound absorption properties, and can be made lightweight. In addition, since the reinforcing ribs (13a) (13b) are formed on the resin layer (11), the reinforcing ribs (13a) (13b) Excellent in sex.
第３図は本発明の他の実施例を示す概略端面図である。FIG. 3 is a schematic end view showing another embodiment of the present invention.
この例では、ハウジング部材は、複数の硬質樹脂層（２
１ａ） （２１ｂ＞と、該複数の硬質樹脂層（２１ａ）
（２１ｂ）ｒＪに形成された凹凸状の空隙部を有する空
隙層（２２）とで構成されている。すなわち、接合面に
凹凸部が形成された硬質樹脂層（２１ａ＞と、平滑面を
有する硬質樹脂層（２１ｂ）との接合により空隙層（２
２）が形成されている。In this example, the housing member includes a plurality of hard resin layers (two
1a) (21b> and the plurality of hard resin layers (21a)
(21b) A void layer (22) having uneven voids formed at rJ. That is, the void layer (21a) is bonded to the hard resin layer (21a) with an uneven surface on the bonding surface and the hard resin layer (21b) with a smooth surface.
2) is formed.
なお、硬質樹脂層の凹凸部は少なくとも１つの硬質樹脂
層に形成されていればよく、上記とは逆に硬質樹脂層（
２１ａ）の接合面が平滑に形成され、他方の硬質樹脂層
（２１ｂ）の接合面に凹凸部が形成されていてもよい。Note that the uneven portion of the hard resin layer only needs to be formed in at least one hard resin layer, and contrary to the above, the uneven portion of the hard resin layer (
The bonding surface of the hard resin layer 21a) may be formed smoothly, and the bonding surface of the other hard resin layer (21b) may have an uneven portion.
また上記構造のハウジングでは、少なくとも１つの樹脂
層が硬質樹脂で形成されていればよく、他の樹脂層は前
記例示の種々の樹脂で形成されていてもよい。さらには
、ハリジングの外面には、前記と同様の発泡樹脂層が積
層されていてもよい。Furthermore, in the housing having the above structure, at least one resin layer may be formed of a hard resin, and the other resin layers may be formed of any of the various resins listed above. Furthermore, a foamed resin layer similar to that described above may be laminated on the outer surface of the Harijing.
第４図は本発明のさらに他の実施例を示す概略端面図で
あり、ハウジング部材は、樹脂層（３１）と、該樹脂層
（３１）の内面に積層された骨組構造を有する空隙層（
３２）とで構成されている。すなわち、空隙層（３２）
は、複数のシート（３３ａ） （３３ｂ）と、該シート
（３３ａ）（３３ｂ）間に縦横方向に形成され、かつシ
ート（３３ａ） （３３ｂ）と一体に結合した支持部材
（３４）とで構成された骨組構造を有している。FIG. 4 is a schematic end view showing still another embodiment of the present invention, in which the housing member includes a resin layer (31) and a void layer (31) having a framework structure laminated on the inner surface of the resin layer (31).
32). That is, the void layer (32)
is composed of a plurality of sheets (33a) (33b) and a support member (34) formed in the vertical and horizontal directions between the sheets (33a) (33b) and integrally connected with the sheets (33a) (33b). It has a skeletal structure.
このような構造のハウジングでは、補強性を有する骨組
構造の上記空隙層（３２）で機械的強度及び消音性を確
保できると共に、軽量化できる。従って、上記樹脂層（
３１）は硬質樹脂に限らず軟質樹脂で形成してもよい。In the housing having such a structure, the void layer (32) having a reinforcing frame structure can ensure mechanical strength and sound deadening properties, and can also be lightweight. Therefore, the resin layer (
31) may be formed of not only hard resin but also soft resin.
なお、上記空隙層（３２）は、上記骨組構造に限らず、
断面六角形状、五角形状、四角形状や波形形状等のハニ
カム構造であってもよい。また上記空隙層（３２）の内
面には、硬質樹脂又は軟質樹脂からなる樹脂層が形成さ
れていてもよく、樹脂層の外面には前記発泡樹脂層が積
層されていてもよい。In addition, the above-mentioned void layer (32) is not limited to the above-mentioned framework structure,
A honeycomb structure having a hexagonal cross-section, a pentagonal shape, a quadrangular shape, a waveform shape, or the like may be used. Further, a resin layer made of a hard resin or a soft resin may be formed on the inner surface of the void layer (32), and the foamed resin layer may be laminated on the outer surface of the resin layer.
本発明の消音性ハウジングは、機械的強度が大きく、軽
量で、消音性を有しているため、モータの回転等により
騒音を発生する機器、例えば電気掃除器、ハンドクリー
ナ等のハウジングとして好適である。The sound-dampening housing of the present invention has high mechanical strength, is lightweight, and has sound-dampening properties, so it is suitable as a housing for equipment that generates noise due to rotation of motors, such as vacuum cleaners and hand cleaners. be.
［発明の効果］
以上のように、本発明の消音性ハウジングによれば、樹
脂層と積層状態の空隙層を有するので、軽量で、かつ消
音性に優れている。[Effects of the Invention] As described above, the sound-dampening housing of the present invention has the resin layer and the void layer in a laminated state, so it is lightweight and has excellent sound-dampening properties.
第１図は本発明の一実施例を示す概略端面図、第２図は
本発明の他の実施例を示す概略断面斜視図、
第３図は本発明の他の実施例を示す概略端面図、第４図
は本発明のさらに他の実施例を示す概略端面図、
第５図は第１図に示されるハウジングの製造工程を示す
概略図、
第６図及び第７図はそれぞれ第５図に示す成形機による
成形状態を示す概略断面図、
第８図は従来の電気掃除器用ハウジングを示す概略端面
図である。
（１） （２１ａ） （２１ｂ）−・・硬質樹脂層、（
１１）（３１）−・・樹脂層、（２）（１２）−・・発
泡樹脂層、（２２）（３２）−・・空隙層特許出願人
タイガースポリマー株式会社代 理 人 弁
理士 鍬 １） 充 生−４８゜
第
図
第
図
第
図
第
図
Ｚ
、．１３１）Fig. 1 is a schematic end view showing one embodiment of the present invention, Fig. 2 is a schematic sectional perspective view showing another embodiment of the invention, and Fig. 3 is a schematic end view showing another embodiment of the invention. , FIG. 4 is a schematic end view showing still another embodiment of the present invention, FIG. 5 is a schematic diagram showing the manufacturing process of the housing shown in FIG. 1, and FIGS. 6 and 7 are respectively shown in FIG. FIG. 8 is a schematic cross-sectional view showing a molding state by the molding machine shown in FIG. 8, and FIG. 8 is a schematic end view showing a conventional vacuum cleaner housing. (1) (21a) (21b) --- Hard resin layer, (
11)(31)--Resin layer, (2)(12)--Foamed resin layer, (22)(32)--Void layer Patent applicant
Tigers Polymer Co., Ltd. Representative Patent Attorney Hoe 1) Mitsuru Life -48゜Figure Figure Figure Figure Z ,. 131)
Claims (1)
を特徴とする消音性ハウジング。A sound-absorbing housing comprising a resin layer and a void layer laminated with the resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1102925A JP2664244B2 (en) | 1989-04-22 | 1989-04-22 | Sound-absorbing housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1102925A JP2664244B2 (en) | 1989-04-22 | 1989-04-22 | Sound-absorbing housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02281695A true JPH02281695A (en) | 1990-11-19 |
| JP2664244B2 JP2664244B2 (en) | 1997-10-15 |
Family
ID=14340429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1102925A Expired - Fee Related JP2664244B2 (en) | 1989-04-22 | 1989-04-22 | Sound-absorbing housing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2664244B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001353744A (en) * | 2000-06-14 | 2001-12-25 | Canon Inc | Resin molded article for acoustic instrument of imaging instrument, housing structure of acoustic instrument or imaging instrument, resin molded article molded from resin material, damping member, damping mechanism, and fastening member |
| FR2873563A1 (en) * | 2004-07-29 | 2006-02-03 | Seb Sa | VACUUM |
| FR2896680A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| FR2896679A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| FR2896681A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| JP2015066121A (en) * | 2013-09-27 | 2015-04-13 | 株式会社東芝 | Vacuum cleaner |
| GB2534304A (en) * | 2013-03-13 | 2016-07-20 | Techtronic Floor Care Tech Ltd | Vacuum cleaner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6094874U (en) * | 1983-12-05 | 1985-06-28 | 日本電気株式会社 | Soundproof structure of the housing |
| JPS63164280U (en) * | 1987-04-15 | 1988-10-26 |
-
1989
- 1989-04-22 JP JP1102925A patent/JP2664244B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6094874U (en) * | 1983-12-05 | 1985-06-28 | 日本電気株式会社 | Soundproof structure of the housing |
| JPS63164280U (en) * | 1987-04-15 | 1988-10-26 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001353744A (en) * | 2000-06-14 | 2001-12-25 | Canon Inc | Resin molded article for acoustic instrument of imaging instrument, housing structure of acoustic instrument or imaging instrument, resin molded article molded from resin material, damping member, damping mechanism, and fastening member |
| JP2008508012A (en) * | 2004-07-29 | 2008-03-21 | セブ ソシエテ アノニム | Vacuum cleaner with foamed polypropylene components |
| FR2873563A1 (en) * | 2004-07-29 | 2006-02-03 | Seb Sa | VACUUM |
| WO2006024713A1 (en) * | 2004-07-29 | 2006-03-09 | Seb S.A. | Vacuum cleaner provided with components made of expanded polypropylene |
| FR2896680A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| FR2896681A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| EP1815778A1 (en) * | 2006-02-02 | 2007-08-08 | Seb S.A. | Vacuum cleaner with a polypropylene cover |
| WO2007088260A1 (en) * | 2006-02-02 | 2007-08-09 | Seb S.A. | Vacuum cleaner having two expanded polypropylene shells |
| WO2007088261A1 (en) * | 2006-02-02 | 2007-08-09 | Seb S.A. | Vacuum cleaner with specific electrical protection |
| FR2896679A1 (en) * | 2006-02-02 | 2007-08-03 | Seb Sa | VACUUM |
| JP2009525100A (en) * | 2006-02-02 | 2009-07-09 | セブ ソシエテ アノニム | Vacuum cleaner with two foamed polypropylene shells |
| GB2534304A (en) * | 2013-03-13 | 2016-07-20 | Techtronic Floor Care Tech Ltd | Vacuum cleaner |
| JP2015066121A (en) * | 2013-09-27 | 2015-04-13 | 株式会社東芝 | Vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2664244B2 (en) | 1997-10-15 |
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