JPH01261486A - Brake shoe for dehydrator, etc. - Google Patents
Brake shoe for dehydrator, etc.Info
- Publication number
- JPH01261486A JPH01261486A JP63089099A JP8909988A JPH01261486A JP H01261486 A JPH01261486 A JP H01261486A JP 63089099 A JP63089099 A JP 63089099A JP 8909988 A JP8909988 A JP 8909988A JP H01261486 A JPH01261486 A JP H01261486A
- Authority
- JP
- Japan
- Prior art keywords
- brake
- brake shoe
- dehydrator
- braking
- nylon
- 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
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 10
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 9
- 239000004793 Polystyrene Substances 0.000 claims abstract description 3
- 229920000098 polyolefin Polymers 0.000 claims abstract description 3
- 229920002635 polyurethane Polymers 0.000 claims abstract description 3
- 239000004814 polyurethane Substances 0.000 claims abstract description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 3
- 239000005062 Polybutadiene Substances 0.000 claims abstract 2
- 229920002857 polybutadiene Polymers 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- -1 polysiloxane Polymers 0.000 claims description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims 1
- 229920001195 polyisoprene Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 abstract description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 abstract description 5
- 229920003212 trans-1,4-polyisoprene Polymers 0.000 abstract description 2
- 229920002292 Nylon 6 Polymers 0.000 abstract 1
- 229920002302 Nylon 6,6 Polymers 0.000 abstract 1
- 229920002313 fluoropolymer Polymers 0.000 abstract 1
- 239000004811 fluoropolymer Substances 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 11
- 238000006297 dehydration reaction Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920006345 thermoplastic polyamide Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Braking Arrangements (AREA)
- Centrifugal Separators (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は脱水機等のブレーキシューに係り、特にブレー
キ制動時の鳴き音などの異常音がなく、制動特性の安定
化に好適な脱水機等のブレーキシューに関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a brake shoe such as a dehydrator, and in particular, a dehydrator that does not produce abnormal noise such as squealing noise during brake braking and is suitable for stabilizing braking characteristics. Regarding brake shoes such as
従来のプラスチックブレーキシューは、特開昭６０−２
３１０３４号に記載のようにポリアミド樹脂と熱可塑性
ニジストマーをブレンドしたものに、耐摩耗性向上のた
めのクロス材を埋没させていた。しかし、この構成は制
動時の鳴き音、及びクロス材を埋没させることによる生
産性の低下の点については配慮されていなかった。Conventional plastic brake shoes were developed in Japanese Patent Application Laid-Open No. 60-2
As described in No. 31034, a cloth material for improving wear resistance was embedded in a blend of polyamide resin and thermoplastic nidistomer. However, this configuration does not take into account squealing noise during braking and a decrease in productivity due to the cloth material being buried.
また特公昭５１−３４５８５号記載の発明は、ポリプロ
ピレン等の熱可塑性樹脂に１０〜５０％のゴムを混合し
て成型したブレーキシューであるが、鳴き音の減少と制
動性能の向上に対して一段と高度のものが要求されてい
た。In addition, the invention described in Japanese Patent Publication No. 51-34585 is a brake shoe molded by mixing 10 to 50% rubber with thermoplastic resin such as polypropylene, but it is further improved in terms of reducing squealing noise and improving braking performance. Something high was required.
上記従来技術は、制動時の鳴き音などの異常音について
の配慮がされておらず、又、制動性能を一層向上させた
。安価で生産性の高いブレーキシューが望まれていた。The above-mentioned conventional technology does not take into consideration abnormal noise such as squealing noise during braking, and further improves braking performance. There was a desire for brake shoes that were inexpensive and highly productive.
本発明の目的は、制動時に鳴き音などの異常音がなく、
かつ耐摩耗性に優れ、長期使用に対し制動性能が安定し
たプラスチック成形品のブレーキシューを安価に提供す
ることにある。The purpose of the present invention is to eliminate abnormal noise such as squealing noise during braking,
The object of the present invention is to provide a brake shoe made of a plastic molded product that has excellent wear resistance and stable braking performance over long-term use at a low cost.
上記目的は、ポリアミド樹脂を基材として、ポリアミド
樹脂に対し、５〜５０重量％の熱可塑性エラストマーと
０．１〜８．０重量％のジメチルポリシロキサンを混合
した合成樹脂で、ブレーキシューを成形することにより
、達成される。The above purpose is to mold brake shoes using a synthetic resin made of polyamide resin as a base material, mixed with 5 to 50% by weight of thermoplastic elastomer and 0.1 to 8.0% by weight of dimethylpolysiloxane. This is achieved by doing so.
〔作用〕
ポリメチルシロキサンは制動面にブリードアウトするこ
とによって、制動面に潤滑性を付与し、制動時における
鳴き音などの異常音を防止する。[Function] Polymethylsiloxane bleeds out onto the braking surface, imparting lubricity to the braking surface and preventing abnormal noises such as squealing during braking.
さらに、制動面の摩耗を防ぎ、長期的に安定したブレー
キ特性を得ることができる。又、制動面の潤滑性はブレ
ーキの停止時間とは、相反するものであるが、鳴き音な
どの異常音を防止し、制動面の異常摩耗を防ぐことがで
きるので、軟質分である熱可塑性エラストマーを増量す
ることにより制動性の向上をはかることができるために
、良好な制動特性が得られる。Furthermore, it is possible to prevent wear of the braking surface and obtain stable braking characteristics over a long period of time. In addition, although the lubricity of the braking surface is contradictory to the stopping time of the brake, it is possible to prevent abnormal noise such as squealing noise and prevent abnormal wear of the braking surface. Since braking performance can be improved by increasing the amount of elastomer, good braking properties can be obtained.
以下、本発明の一実施例を電気洗濯機の脱水機に使用し
たものを図面によって説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention applied to a dehydrator of an electric washing machine will be described below with reference to the drawings.
第１図は電気洗濯機の脱水槽を中心とした側断面図で、
１は外枠、２は水受槽、３は脱水槽、４は台板で、台板
４上に防振ばね５によって支持された脱水モータ６が、
モータ軸１７を上向きにして取付けられている。Figure 1 is a side sectional view centered on the dehydration tank of an electric washing machine.
1 is an outer frame, 2 is a water tank, 3 is a dehydration tank, 4 is a base plate, and a dewatering motor 6 supported by a vibration-proof spring 5 is mounted on the base plate 4.
It is mounted with the motor shaft 17 facing upward.
脱水槽３の駆動軸１８は水受槽２を貫通しモータ軸１７
と、ブレーキドラム８を具有する軸継手７と連結するこ
とにより、モータ６の回転動力は脱水槽３に伝達される
。The drive shaft 18 of the dewatering tank 3 passes through the water receiving tank 2 and connects to the motor shaft 17.
The rotary power of the motor 6 is transmitted to the dewatering tank 3 by connecting it to a shaft joint 7 having a brake drum 8 .
水受槽２の上部には、ブレーキワイヤ１６と連動するブ
レーキ操作捧１５と係接するヒンジ部１９を備えた脱水
槽蓋９が設けられている。A dewatering tank lid 9 is provided at the upper part of the water receiving tank 2 and includes a hinge part 19 that engages with a brake operation lever 15 that is interlocked with a brake wire 16.
ブレーキ操作捧１５はインナワイヤ１４を係着しており
、後述する矢印Ｑ方向への移動により、ブレーキワイヤ
１６を介してブレーキシュー２５をブレーキドラム８に
押接させる。第２図においてブレーキレバー２４は、ブ
レーキベース２１上においてピン２３を中心にして回動
自在に取付けられ、ブレーキレバー２４の端末にはワイ
ヤエンド３０を係止するワイヤ引掛部３１が設けてあり
、第１図に示される前記脱水槽蓋９の開閉と連動してブ
レーキレバー２４が回動するようになっている。また、
ブレーキベース２１に設けた、ばね引掛部３５と、ブレ
ーキレバー２４の端末に設けた、ばね引掛部３３との間
にブレーキ引きばね３４を張設して、矢印Ｑ方向にブレ
ーキレバー２４を付勢している。The brake operation lever 15 has an inner wire 14 attached thereto, and when moved in the direction of an arrow Q, which will be described later, the brake shoe 25 is pressed against the brake drum 8 via the brake wire 16. In FIG. 2, the brake lever 24 is rotatably mounted on the brake base 21 about a pin 23, and the end of the brake lever 24 is provided with a wire hook 31 that locks a wire end 30. The brake lever 24 rotates in conjunction with the opening and closing of the dehydration tank lid 9 shown in FIG. Also,
A brake pulling spring 34 is stretched between a spring hook portion 35 provided on the brake base 21 and a spring hook portion 33 provided at the end of the brake lever 24 to bias the brake lever 24 in the direction of arrow Q. are doing.
ブレーキシュー２５はブレーキレバー２４に止めねじ２
６でブレーキドラム８と対向する位置に固定されている
。The brake shoe 25 is attached to the brake lever 24 with a set screw 2.
6, it is fixed at a position facing the brake drum 8.
上記の構成において、第１図は脱水槽蓋９が閉じられ、
つまみ１２を回動させ脱水タイマ１１が作動して脱水モ
ータ６が脱水槽３を回転させている状態を示し、ブレー
キシュー２５はブレーキドラム８と接触せず離れた状態
にある。In the above configuration, FIG. 1 shows that the dehydration tank lid 9 is closed,
A state is shown in which the knob 12 is rotated, the dehydration timer 11 is activated, and the dehydration motor 6 is rotating the dehydration tank 3, and the brake shoe 25 is not in contact with the brake drum 8 but is in a separated state.
脱水槽蓋９を一杯に開放すると、ヒンジ部１９とブレー
キ操作捧１５との係接が解除される。徒って第２図にお
いて、ブレーキ引きばね３４の引張力が矢印Ｑ方向に作
用しブレーキレバー２４はピン２３を中心として時計方
向に回動し、ブレーキシュー２５がブレーキドラム８を
押圧する。When the dehydration tank lid 9 is fully opened, the hinge portion 19 and the brake operation lever 15 are disengaged. As a result, in FIG. 2, the tensile force of the brake pull spring 34 acts in the direction of arrow Q, the brake lever 24 rotates clockwise about the pin 23, and the brake shoe 25 presses the brake drum 8.
上述の作動に際し、ブレーキドラム８の制動に先立つ七
脱水モータ６の回転を停止させるように、脱水モータ６
の回路を開くスイッチ（図示せず）がヒンジ部１９と連
動して動作するように構成されている。During the above operation, the dehydration motor 6 is operated so as to stop the rotation of the dehydration motor 6 prior to braking the brake drum 8.
A switch (not shown) that opens the circuit is configured to operate in conjunction with the hinge portion 19.
脱水槽蓋９を閉じると、ヒンジ部１９によりブレーキ操
作捧１５はブレーキ引きばね３４の付勢力に抗する力で
矢印Ｐ方向に引き上げられるから、インナワイヤ１４も
矢印Ｐ方向に引張られ、第２図に示すブレーキシュー２
５はブレーキドラム８から離れる。離れてのち脱水モー
タ６の回路を閉じるよう前記ヒンジ部１９と前記スイッ
チの連動調整がなされている。When the dehydration tank lid 9 is closed, the brake operating lever 15 is pulled up in the direction of the arrow P by the hinge part 19 with a force that resists the biasing force of the brake pull spring 34, so the inner wire 14 is also pulled in the direction of the arrow P, as shown in FIG. Brake shoe 2 shown in
5 leaves the brake drum 8. The hinge portion 19 and the switch are adjusted so as to close the circuit of the dewatering motor 6 after they are separated.
本実施例によれば、ジメチルポリシロキサンは制動時に
、ブレーキドラム８とブレーキシュー２５の接触面にお
いて、適度な潤滑性を付与し、ブレーキシューの異常摩
耗を防ぐと同時に、制動力を増すために熱可塑性エラス
トマーの混合割合を増加しても鳴き音などの異常音を発
生せず、安定したブレーキ特性を示し、寿命が飛躇的に
増加する。According to this embodiment, dimethylpolysiloxane imparts appropriate lubricity to the contact surface between the brake drum 8 and the brake shoes 25 during braking, prevents abnormal wear of the brake shoes, and increases braking force. Even if the mixing ratio of thermoplastic elastomer is increased, abnormal noise such as squealing does not occur, stable braking characteristics are exhibited, and the service life is dramatically increased.
本発明の組成は、所要の制動力により、基材となるポリ
アミド樹脂に対して、ジメチルポリシロキサンを０．１
〜８．０重量％、熱可塑性エラストマーを５〜５０重量
％の範囲で選定することが可能である。熱可塑性エラス
トマーはポリオレフィン系のものが好適であるが、その
他にポリスチレン系、ポリ塩化ビニル系、ポリウレタン
系、ポリアミド系、プリブタジェン系、塩素化ポリエチ
レン系、トランス１，４ポリイソプレン系、フッ素系の
うちの１種もしくは２種以上からなるものを用いてもよ
い、又、増量や剛性を高めるために必要に応じて、無機
フィラーや、ガラス繊維、カーボン繊維等の無機繊維を
配合することができるが、配合量が増えると、成形時の
流動性が低下するので、配合量は、基材となるポリアミ
ド樹脂と熱可塑性エラストマーに対し、４０重量％以下
が望ましい。さらに、酸化防止剤、分散剤等の添加剤を
配合してもよい。又、顔料の添加による着色も可能であ
る。ところで、基材となるポリアミド樹脂に関しては、
６ナイロンは調湿量でロックウェル硬度（脅スケール）
が５４（宇部興産層グレード名１０１３Ｂ）であり、６
，６ナイロンは調湿量でロックウェル硬度（Ｍスケール
）が１００（宇部興産層グレード名２０．２０Ｂ）であ
り、その組成比により、硬度を変えることが可能で、脱
水機等のブレーキシューとしては、６ナイロシに対し、
６．６ナイロンを３０〜７０重量％配合したものが好適
である。In the composition of the present invention, 0.1% of dimethylpolysiloxane is added to the base polyamide resin to achieve the required braking force.
-8.0% by weight, and thermoplastic elastomer in the range of 5-50% by weight. The thermoplastic elastomer is preferably a polyolefin type, but other types include polystyrene type, polyvinyl chloride type, polyurethane type, polyamide type, prbutadiene type, chlorinated polyethylene type, trans 1,4 polyisoprene type, and fluorine type. One or more of these may be used, and inorganic fillers and inorganic fibers such as glass fibers and carbon fibers may be added as necessary to increase weight and stiffness. If the blending amount increases, the fluidity during molding will decrease, so the blending amount is desirably 40% by weight or less based on the base material polyamide resin and thermoplastic elastomer. Furthermore, additives such as antioxidants and dispersants may be added. Furthermore, coloring by adding pigments is also possible. By the way, regarding the polyamide resin that serves as the base material,
6 Nylon has Rockwell hardness (threat scale) depending on the amount of humidity control.
is 54 (Ube Industries layer grade name 1013B), and 6
, 6 nylon has a Rockwell hardness (M scale) of 100 (Ube Industries grade name 20.20B) in terms of humidity control, and its hardness can be changed depending on its composition ratio, making it suitable for use as brake shoes for dehydrators, etc. is for 6 naira,
A material containing 30 to 70% by weight of nylon 6.6 is suitable.
本実施例は、洗濯機用脱水機のブレーキシューについて
例示したが、脱水機等の回転体のブレーキシューに広く
適用可能である。Although this embodiment is exemplified with respect to a brake shoe of a washing machine dehydrator, it is widely applicable to brake shoes of a rotating body such as a dehydrator.
本発明の実施により、制動時における鳴き音等の異常音
がなく、安定したブレーキ特性を示し、耐久性のすぐれ
た脱水機等のブレーキシューを安価に提供することが可
能である。By carrying out the present invention, it is possible to provide a brake shoe for a dehydrator or the like that does not produce abnormal noises such as squealing noise during braking, exhibits stable braking characteristics, and has excellent durability at a low cost.
第１図は本発明に係る電気洗濯機の側断面図、第２図は
本発明の一実施例に係るブレーキ装置の平面図である。
２５・・・ブレーキシュー。FIG. 1 is a sectional side view of an electric washing machine according to the present invention, and FIG. 2 is a plan view of a brake device according to an embodiment of the present invention. 25...Brake shoe.
Claims (1)
重量％の熱可塑性エラストマーおよび０．１〜５重量％
のジメラルポリシロキサンを混合させて含ませたことを
特徴とする脱水機等のブレーキシュー。 ２、特許請求の範囲第１項記載のものにおいて、基材と
してのポリアミド樹脂を６ナイロンと６、６ナイロンと
を配合して構成し、６、６ナイロンを３０〜７０重量％
の配合比にしたことを特徴とする脱水機等のブレーキシ
ュー。 ３、特許請求の範囲第１項記載のものにおいて、熱可塑
性エラストマーが、ポリオレフィン系、ポリスチレン系
、ポリ塩化ビニル系、ポリウレタン系、ポリアミド系、
ポリブタジエン系、塩素化ポリエチレン系、トランス１
、４ポリイソプレン系、フッ素系のうちの１種もしくは
２種以上からなることを特徴とする脱水機等のブレーキ
シュー。[Scope of Claims] 1. A brake shoe made of synthetic resin, which has a base material of polyamide resin, and has a polyamide resin of 5 to 40%
wt% thermoplastic elastomer and 0.1-5 wt%
A brake shoe for a dehydrator, etc., characterized by containing a mixture of dimeral polysiloxane. 2. In the product described in claim 1, the polyamide resin as the base material is composed of a blend of 6,6 nylon and 6,6 nylon, and 6,6 nylon is 30 to 70% by weight.
A brake shoe for a dehydrator, etc., characterized by having a compounding ratio of 3. In the product described in claim 1, the thermoplastic elastomer is polyolefin-based, polystyrene-based, polyvinyl chloride-based, polyurethane-based, polyamide-based,
Polybutadiene, chlorinated polyethylene, trans 1
A brake shoe for a dehydrator, etc., characterized by being made of one or more of the following: , 4 polyisoprene type, and fluorine type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089099A JP2644817B2 (en) | 1988-04-13 | 1988-04-13 | Brake shoes for dehydrators, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089099A JP2644817B2 (en) | 1988-04-13 | 1988-04-13 | Brake shoes for dehydrators, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01261486A true JPH01261486A (en) | 1989-10-18 |
| JP2644817B2 JP2644817B2 (en) | 1997-08-25 |
Family
ID=13961436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63089099A Expired - Fee Related JP2644817B2 (en) | 1988-04-13 | 1988-04-13 | Brake shoes for dehydrators, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2644817B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992013918A1 (en) * | 1991-02-05 | 1992-08-20 | Mitsubishi Rayon Co., Ltd. | Thermoplastic resin composition |
-
1988
- 1988-04-13 JP JP63089099A patent/JP2644817B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992013918A1 (en) * | 1991-02-05 | 1992-08-20 | Mitsubishi Rayon Co., Ltd. | Thermoplastic resin composition |
| US5322881A (en) * | 1991-02-05 | 1994-06-21 | Mitsubishi Rayon Co., Ltd. | Thermoplastic resin compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2644817B2 (en) | 1997-08-25 |
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