JPS5938863Y2 - door closer - Google Patents
door closerInfo
- Publication number
- JPS5938863Y2 JPS5938863Y2 JP1980111518U JP11151880U JPS5938863Y2 JP S5938863 Y2 JPS5938863 Y2 JP S5938863Y2 JP 1980111518 U JP1980111518 U JP 1980111518U JP 11151880 U JP11151880 U JP 11151880U JP S5938863 Y2 JPS5938863 Y2 JP S5938863Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- oil
- chamber
- piston
- cylinder
- 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.)
- Expired
Links
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Description
【考案の詳細な説明】
本考案はシリンダ内の油液を濾過するフィルタｉｔ体的
に設けたドアー・クローザに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a door closer that is provided with a filter for filtering oil inside a cylinder.
このドアー・クローザはシリンダ内にピストン金嵌装し
、ピストンの移動とドアーの開閉と金相互に関連でせた
ものである。This door closer has a piston fitted into a cylinder, and the movement of the piston and the opening and closing of the door are correlated with each other.
この種ドアー・クローザは通常次のように構成されてい
る。This type of door closer is usually constructed as follows.
即ち、その−例として本考案に係るドアー・クローザＡ
ｋ示す第１図金参照して述べると図示の如くシリンダ１
内に嵌装するピストン２は前部全開口し、後部合端面板
３にして筒型に形成し、その筒型周壁外面の一部にラン
ク４全長手方向に刻設し、このラック４に噛合うピニオ
ン５金シリンダ１のほぼ長さ中央でその周壁金一部膨隆
して形成した室８内に回転自在に設け、とのピニオン軸
５ａにレバーを介してドアーと連動連結しである。That is, as an example, door closer A according to the present invention
Referring to Fig. 1 shown in Fig. 1, cylinder 1 is
The piston 2 to be fitted inside is formed into a cylindrical shape with the front part completely open and the rear mating end face plate 3, and a rank 4 is carved in a part of the outer surface of the cylindrical peripheral wall in the entire longitudinal direction. The mating pinion 5 is rotatably provided in a chamber 8 formed by partially swelling the peripheral wall of the metal cylinder 1 at approximately the center of the length of the metal cylinder 1, and is interlocked and connected to the door via a lever to the pinion shaft 5a.
これによりドアーの開閉とピストンの正逆移動は相互ニ
ピニオンとラック金介して行われる。As a result, the opening and closing of the door and the forward and reverse movement of the piston are performed through the mutual pinion and rack metal.
ヒストン２にろ図示の如くその筒体内部にスプリング７
の大部分音嵌挿してその一端金ピストン２の端面板３に
接当し、ピストン２より突出したスプリングの他端金シ
リンダ１の前部蓋板８の内面凹部に嵌着した座金９に接
当σせ、閉扉方向にピニオン５金回転でせる如くシリン
ダ１の後部蓋板１０に向ってピストン２を移動笛せるよ
うに弾力金付勢蔭せた状態でもってスプリング７に間柱
でせである。As shown in the figure, the histone 2 has a spring 7 inside its cylinder.
Most of the spring is fitted with a sound fit so that one end of the spring is in contact with the end plate 3 of the metal piston 2, and the other end of the spring protruding from the piston 2 is connected to the washer 9 fitted in the inner recess of the front cover plate 8 of the metal cylinder 1. Then, with the spring 7 in the closed state, the spring 7 is fitted with a stud so that the piston 2 can be moved toward the rear cover plate 10 of the cylinder 1 by rotating the pinion 5 in the door-closing direction. .
これによりドアーは自動的に閉扉する。図面は完全閉扉
時におけるピストンの静止状態金石す。This causes the door to close automatically. The drawing shows the static state of the piston when the door is completely closed.
ピストン２は最大限に後退してその端面板３金シリンダ
１の後部蓋板１０に当接している。The piston 2 is retracted to the maximum extent and its end plate 3 is in contact with the rear cover plate 10 of the metal cylinder 1.
シリンダ１内は分割でれてピストン２の端面板３の前後
に夫々ピストン２の移動に伴い容積変動する前部室ａと
後部室すとに形成でれる。The inside of the cylinder 1 is divided into a front chamber a and a rear chamber A and a rear chamber A and a rear chamber, respectively, which vary in volume as the piston 2 moves, in front and behind the end plate 3 of the piston 2.
ドアーは手動にて開くが、この場合スプリングＴはドア
ーの開扉動作に伴うピニオン５の回転によりランク４金
介してピストン２が−７１Ｊツダ１の前部蓋板８方向に
移動するのでこのピストン２、の端面板３に押されて圧
縮する。The door is opened manually, but in this case, the spring T moves the piston 2 through the rank 4 gold in the direction of the front cover plate 8 of the -71J Tsuda 1 due to the rotation of the pinion 5 as the door opens. It is pressed by the end plate 3 of 2 and compressed.
更にかかるドアー開閉に伴うピストンの移動金円滑にし
、また開放後のドアー４自動的に始めは速く、閉扉時は
遅く閉るように構成でれているが、これにはシリンダに
油液を充満し、この油液の油圧及び流れ金利用している
。Furthermore, the movement of the piston accompanying the opening and closing of the door is smooth, and the door 4 is configured to automatically close quickly at the beginning and slowly after opening, but this requires filling the cylinder with oil. The hydraulic pressure and flow of this oil are utilized.
即ち、第１図に示すようにピストン後部の端面板３に油
液通路１１金貫通して設け、油液通路１１の後半部金大
径通路１１ａにして、この通路１１ａ内に前半部の小径
通路１１ｂｋ閉塞する大きさのボール弁１２金通路から
抜脱しないようにして自由状態に封入しである。That is, as shown in FIG. 1, an oil passage 11 is provided to pass through the end plate 3 at the rear of the piston, and the rear half of the oil passage 11 is made into a large diameter passage 11a, and the small diameter of the front half is inserted into this passage 11a. The ball valve is large enough to close the passage 11bk and is sealed in a free state so as not to come off from the 12-karat gold passage.
そして、前記スプリング７の圧縮間柱によりシリンダ１
内のピストン端面板３の後部室すは圧油室に形成テれ、
端面板３の前部室ａは非圧油室に形成フれる。Then, due to the compression stud of the spring 7, the cylinder 1
The rear chamber of the inner piston end plate 3 is formed into a pressure oil chamber,
The front chamber a of the end plate 3 is formed into a non-pressure oil chamber.
オた、シリンダ周壁に、ピストン２の移動に関連して１
弁につき後部室すに連通ずる例えば図示の如く２個の連
通孔１３，１３’に設け、この連通孔１３゜１３’ｅ更
に調整弁１４金間在させてピニオン取付けの室６に連通
している通油孔１５に連通させである。Additionally, 1 is attached to the cylinder peripheral wall in relation to the movement of the piston 2.
For example, two communication holes 13 and 13' as shown in the figure are provided to communicate with the rear chamber for each valve, and the communication holes 13 and 13'e are further provided with a 14-karat gold adjustment valve that communicates with the chamber 6 in which the pinion is installed. It communicates with the oil passage hole 15.
室６は前部室ａに連通しているから後部室すと前部室ａ
とはピストン２の移動に関連して適時連通する。Since chamber 6 communicates with the front chamber a, the rear chamber is connected to the front chamber a.
and communicate with each other in a timely manner in relation to the movement of the piston 2.
前記調整弁１４は図示の如くその基部金螺合して通油孔
１５内に突入し、その先端金通油孔１５の長濾途中に設
けた段部１６に接当して係合でせである。As shown in the figure, the regulating valve 14 is threaded into its base and thrust into the oil passage hole 15, and the tip of the adjustment valve 14 is engaged with a stepped portion 16 provided in the middle of the long filter of the metal oil passage hole 15. It is.
これにより調整弁１４金ネジ廻わしして前進、後退づせ
ることによりその先端と段部１６間に間隙金形成し、油
液の流動量金調整するようになっている。As a result, by turning the regulating valve 14 gold screw and moving it forward and backward, a gap is formed between its tip and the stepped portion 16, and the flow rate of the oil liquid is adjusted.
これによりドアーが完全に閉扉して図示の如くピストン
２がその後部の端面板３金シリンダ１の後部蓋板１０に
最小後部室ｂ’に形成して接当して静止しｆいるときは
、２個の連通孔１３ 、１３’ハトモにピストン２の周
壁によって閉ざ笛れており、前部室ａと後部室すとは端
面板３の油液通路１１金介してのみ同一油圧のもとに連
通し、ドアーは安定して閉扉している。As a result, when the door is completely closed and the piston 2 comes into contact with the rear end plate 3 of the rear cover plate 10 of the metal cylinder 1 at the rear end plate 3 forming the smallest rear chamber b' and comes to rest as shown in the figure, The two communicating holes 13 and 13' are closed by the peripheral wall of the piston 2, and the front chamber a and the rear chamber are under the same hydraulic pressure only through the oil passage 11 of the end plate 3. communication, and the door is stably closed.
つぎにドアーの開扉に際してはピストン２は前記の如く
シリンダ１の前部蓋板９に向って移動し、その後部の端
面板３がシリンダ周壁の連通孔を完全に通り越したとこ
ろでドアーの開扉が終る。Next, when opening the door, the piston 2 moves toward the front cover plate 9 of the cylinder 1 as described above, and when the rear end plate 3 completely passes through the communication hole in the cylinder peripheral wall, the door is opened. ends.
この場合、前部室ａは加圧σれるから油液はピストン端
面板３の油液通路１１からボール弁１２にて阻止でれる
ことなく後部室すに流入し、オた開扉終端近くになると
ピストン端面板３が２個の連通孔１３，１３’に通過し
てこれらの通礼金開放するから油液は室６、通油孔１５
及び連通孔１３，１３’により連続形成でれる通路によ
っても後部室す内に流入する。In this case, since the front chamber a is pressurized σ, the oil flows from the oil passage 11 of the piston end plate 3 into the rear chamber without being blocked by the ball valve 12, and when the door is near the end of opening. Since the piston end plate 3 passes through the two communication holes 13 and 13' and releases these holes, the oil flows into the chamber 6 and the oil passage hole 15.
It also flows into the rear chamber through a passage continuously formed by the communicating holes 13, 13'.
これにより開扉は軽快に行われる。This allows the door to open easily.
そして次に手を離す等してドアー４閉じ方向に操作する
と、圧縮せられてそたスプリング７の弾桧力によってピ
ストン２は元の位置筐で復帰しようとするが、ボール弁
１２で油液通路１１が閉塞せられるため後部室すは加圧
でれ、加圧でれた油液は２個の連通孔１３，１３’に通
って調整弁１４のある通油孔１５から室６へ、更に通油
溝１７奮通って前部室ａへ徐々に流入する。Then, when the door 4 is operated in the closing direction by releasing the hand, the piston 2 attempts to return to its original position due to the elastic force of the compressed spring 7, but the ball valve 12 Since the passage 11 is closed, the rear chamber is pressurized, and the pressurized oil passes through the two communication holes 13 and 13' and enters the chamber 6 from the oil passage hole 15 where the regulating valve 14 is located. Further, the oil passes through the oil passage groove 17 and gradually flows into the front chamber a.
この場合、ピストン２の移動に伴って２個の連通孔１３
．１３’は順次ピストン周壁によって閉塞され、これと
ともに縮少でれる後部室すからの油流出量が少なくなっ
て室内の加圧が高１す、ピストン２の後退速度を遅くす
る。In this case, as the piston 2 moves, the two communication holes 13
．． 13' is sequentially closed by the piston circumferential wall, and the amount of oil flowing out from the contracted rear chamber is reduced, increasing the pressurization in the chamber and slowing down the retraction speed of the piston 2.
従ってドアーは完全閉扉のときにはその閉じ速度が制御
てれ、ドアーは緩やかに閉じる。Therefore, when the door is completely closed, the closing speed is controlled, and the door closes slowly.
ところでとの閉扉作動のドアーの遅速回動紫円滑に行わ
せるのに大切なものは前記通油孔１５に設けた調整弁１
４である。By the way, what is important for smooth slow rotation of the door when closing the door is the regulating valve 1 installed in the oil passage hole 15.
It is 4.
即ち、この調整弁１４がないと後部室すからの加圧油の
流量音制御できないためピストン２の移動に対する抵抗
が汁さくなり、ドアーは閉扉直前でも急速に閉じること
になり、これに風圧等の強い外力が生じると尚更ドアー
は急速に全閉し、これが為、ドアーのみならずその他の
付属品金損傷したり、時には手指金挾む等の危害音生じ
る。That is, without this regulating valve 14, the flow rate and sound of the pressurized oil from the rear chamber cannot be controlled, so the resistance to the movement of the piston 2 decreases, and the door closes rapidly even just before closing. When a strong external force is applied, the door closes completely rapidly, which can damage not only the door but also other accessories, and sometimes generate dangerous noises such as fingers being caught.
調整弁１４は前記の如く通油孔１５への螺合取付けによ
り前進、後退が可能で、その先端と通油孔１５の段部１
６どの間隙金調整し、これにより油流量音制御できるか
らドアーの閉扉作動の遅速度は容易に調整できる。The regulating valve 14 can be moved forward and backward by being screwed into the oil hole 15 as described above, and its tip and the stepped portion 1 of the oil hole 15 are connected to each other.
6. By adjusting the gap metal, the oil flow rate and noise can be controlled, so the slow speed of the door closing operation can be easily adjusted.
実際には閉扉作動のドアの速度金可及的に遅くする方が
ドアーはより緩やかに無理なく全閉する。In reality, it is better to slow down the speed of the door when it closes as much as possible so that the door closes more slowly and smoothly.
筐た、かかる遅速機構により風圧等の外力による弊害発
生音防止することができる。In addition, such a slow speed mechanism can prevent harmful noises caused by external forces such as wind pressure.
そのために調整弁１４と通油孔１５との間隙金可及的に
僅少にして後部室すの油圧全高度に保つようにしている
。To this end, the gap between the regulating valve 14 and the oil passage hole 15 is kept as small as possible to maintain the full hydraulic pressure in the rear chamber.
ところが以上のように従来のドアー・クローザはシリン
ダ１内にラック４を刻設したピストン２、ピニオン５と
圧縮スプリング７と金収容したものであるから、これ等
部品に加工金属屑粉やゴミが付着していると、これが油
液中に混在して油液通路の一部金なし、而も前記のよう
にドアーの閉扉作動の遅速閉扉作動に重要な調整弁１４
と通油孔１５との僅少な間隙部分に詰り易い。However, as described above, the conventional door closer has a piston 2 with a rack 4 carved in the cylinder 1, a pinion 5, a compression spring 7, and metal housing, so these parts are susceptible to processing metal scraps and dirt. If it adheres, it will be mixed in the oil and cause the oil passage to become damaged, and as mentioned above, the adjustment valve 14, which is important for the slow door closing operation, will be damaged.
The small gap between the oil passage hole 15 and the oil passage hole 15 is likely to become clogged.
筐た、このような混入雑物は使用中におけるピストンと
シリンダとの摩擦による摩耗金属屑としても発生し易い
ため、前記詰り現象はな訃起り易い。Since such contaminants are also likely to be generated as worn metal debris due to friction between the piston and cylinder during use, the clogging phenomenon described above is likely to occur.
このようなゴミ等が僅かでも前記調整弁の間隙部分に混
入す金とドアー開閉速さが異なって不円滑となり、間隙
が詰ってし昔うと完全閉扉が行われなくなってしすう。Even if there is only a small amount of such dust, the opening and closing speed of the door will be different from the gold that gets mixed into the gap of the regulating valve, making it unsmooth, and if the gap gets clogged, the door will not close completely.
それでこれ金防ぐために従来は各部品４組み付ける前に
これ等４複数回洗浄して完全に綺麗な部品としておく必
要がある。Therefore, in order to prevent this from happening, it is conventionally necessary to clean each part four times to ensure that it is completely clean before assembling it.
ところがラック金刻設したピストン、ピニオン、スプリ
ング等は形状が複雑であり、細部に金属清粉、ゴミ等が
付着して詰り易く、これ等の洗浄取除きには多くの労力
金製していたＣ、ｔた、ドアー・クローザに組立てた後
においても第１図に示すプラグ１８及び調整弁１４奮抜
き増ってプラグの増付は孔から洗油全流入し、シリンダ
１内金勢い良く流してシリンダの内壁、収容しであるピ
ストン、スプリング等金洗浄し、室６金経て調整弁１４
金取外した通油孔１５から洗油紫流出でせ、金属清粉、
ゴミ等金完全に取除くようにしているが、この洗浄作業
にも労力、・時間が必要であった。However, the shapes of pistons, pinions, springs, etc. that are engraved with rack metal are complex, and they tend to get clogged with metal cleaning powder, dirt, etc. attached to the details, and cleaning and removing these items requires a lot of effort. C. Even after assembly to the door closer, the plug 18 and regulating valve 14 shown in Fig. 1 are pulled out, and the additional plugs allow all the cleaning oil to flow in through the hole, and the inside of the cylinder 1 is flushed away. Then, clean the inner wall of the cylinder, the piston, spring, etc. that is housed, and then clean the chamber 6 and the regulating valve 14.
Cleaning oil purple flows out from the oil hole 15 where the metal was removed, metal cleaning powder,
Although we try to completely remove dust and metal, this cleaning process also requires effort and time.
また使用経過に伴う摩耗粉等の発生音防止するためにピ
ニオン、ラック等に面摩り加工音節したりしているがこ
れではコストが高くつく欠点があった。Additionally, in order to prevent the noise generated by abrasion particles and the like over the course of use, pinions, racks, etc. are surface-grinded, but this has the disadvantage of increasing costs.
そこで本考案は上記従来のものの欠点に鑑み洗浄工程金
無くすか、若しくはできるだけ簡素化することができ、
特に耐摩耗性にすぐれた高価な部品金使用する必要がな
く、調整弁部における油液の流動制御４常に円滑に行わ
せることができるドアー・クローザを提供゛することを
目的とするものであって、以下その構成音図面に示す実
施例に一ついて説明する。Therefore, in view of the above-mentioned drawbacks of the conventional method, the present invention eliminates the cleaning process cost or simplifies it as much as possible.
The object of the present invention is to provide a door closer that can always smoothly control the flow of oil in the regulating valve part without using expensive parts with excellent wear resistance. Now, one embodiment shown in the constituent sound drawings will be explained below.
各図面４通じて同−又は均等、部分は同−符号金円いで
ある。The same or equivalent parts are given the same reference numerals throughout the drawings.
第１図はその一例であって、図面に示すようにドアー金
閉扉するためにピストン２をシリンダ１の後部蓋板１０
方向に移動でせる圧縮スプリング７とピスト、ン後部の
端面板３との間にフィルタ１９金嵌装する。FIG. 1 is an example of this, and as shown in the drawing, the piston 2 is connected to the rear cover plate 10 of the cylinder 1 in order to close the door.
A filter 19 is fitted between a compression spring 7 that can be moved in the direction and an end plate 3 at the rear of the piston.
即ち、スプリングＴの一端と端面板３の内面とでフィル
タ１９の周縁金挾持でせてスプリングＩの弾力による抑
圧により強固に保持する。That is, the filter 19 is clamped by the peripheral edge of the filter 19 between one end of the spring T and the inner surface of the end plate 3, and is firmly held by the elasticity of the spring I.
フィルタ１９は第２図に示す如く中央に嵌入孔２０金有
する環状板２１に細かいメツシュの全網金半円球状に形
成した濾過体２２金嵌挿し、その周縁金環状板２２に固
着でせてつくる。As shown in FIG. 2, the filter 19 is made by fitting a filter body 22 formed into a semispherical shape of fine mesh into an annular plate 21 having a fitting hole 20 in the center, and fixing it to the metal annular plate 22 at its periphery. to make.
フィルタ１９はピストン２の後部端面板３に貫通して設
けた油液通路１１のシリンダ前部室ａ側で関口した開口
部１１′金覆って端面板３の内面に装着しているからド
アー開扉時シリンダ１の前部蓋板８に向うピストン２の
移動に伴い前部室ａから端面板３の油液通路１１乞通っ
て後部室すに流れる油液はフィルタ１９で濾過され油液
に混入のゴミ、金属清粉等の雑物は後部室すに入らない
。The filter 19 is attached to the inner surface of the end plate 3, covering the opening 11' of the oil passage 11 provided through the rear end plate 3 of the piston 2 on the side of the cylinder front chamber a, so that the door cannot be opened. When the piston 2 moves toward the front cover plate 8 of the cylinder 1, the oil flowing from the front chamber a through the oil passage 11 of the end plate 3 to the rear chamber is filtered by the filter 19 to prevent it from being mixed in with the oil. Do not let dirt, metal powder, or other miscellaneous items enter the rear compartment.
後部室すは前部室ａに比べて遥かに小テ＜、油液の大部
分は前部室ａに収容てれているから油液に含１れる雑物
も前部室ａ測に多い。The rear chamber is much smaller than the front chamber a, and since most of the oil is stored in the front chamber a, there are more impurities contained in the oil than in the front chamber a.
従って油液中の雑物は前記フィルタ１９によりその大部
分が半円球状により大きい濾過作用面によって効率よく
確実に捕捉でれて調整弁１４には到らず、閉扉時調整弁
１４による通油孔１５との僅少間隙には常に清浄な油液
が通ってゴミ等による詰りは発生することがなく、所期
の遅速閉扉は常に円滑に行われる。Therefore, most of the impurities in the oil are efficiently and reliably captured by the filter 19 due to the larger filtration surface of the semi-spherical shape, and do not reach the regulating valve 14, and the oil is passed through the regulating valve 14 when the door is closed. Clean oil always passes through the small gap between the hole 15 and no clogging due to dirt or the like occurs, and the desired slow closing of the door is always performed smoothly.
なお、油液はドアーの開閉に伴って前部室と後部室との
間合適時交互に流れるからフィルタ１９で捕捉した雑物
が金網面に定着することはなく適当に剥離するからフィ
ルタの濾過機能は殆ど低下しない。Furthermore, as the oil fluid flows alternately between the front chamber and the rear chamber at appropriate times as the door is opened and closed, the impurities captured by the filter 19 will not settle on the wire mesh surface and will be properly peeled off, thereby improving the filtration function of the filter. hardly decreases.
上記実施例は金網状のフィルタをピストン後部の端内面
、即ちシリンダの前部室と敢部室との境部に設けた例で
あるが、このフィルタ１９〃は第３図の例に示すように
筒型にしてこれ音調整弁１４に間隙部もって遊嵌し、閉
扉時調整弁すから連通孔１３，１３’に通る油液がこの
遊嵌フィルタ１９′により濾過ブれてから間隙部２４金
通って後、調整弁１４先端と通油孔１５の段部１６との
微調整間隙部に流動するようにすることもできる。The above embodiment is an example in which a wire mesh filter is provided on the inner surface of the rear end of the piston, that is, at the boundary between the front chamber and the rear chamber of the cylinder. This loosely fits into the noise regulating valve 14 with a gap, and when the door is closed, the oil passing through the communication holes 13, 13' is filtered by the loosely fitted filter 19', and then passes through the gap 24. After that, the oil may flow into a fine adjustment gap between the tip of the regulating valve 14 and the stepped portion 16 of the oil passage hole 15.
この場合の筒型フィルタは例えば焼結フィルタのような
多孔質のものから容易につくられる。The cylindrical filter in this case can be easily made from a porous material such as a sintered filter.
以上説明したように本考案は油液を満たしたシリンダに
嵌装したピストンの後部端面板でシリンダ内金容積変動
する前部室と後部室とに分割し、上記参部端面板はボー
ル弁金自由状態に封入した油液通路金前部室と後部室と
に貫通して設けてなり、開扉時スプリング金圧縮でせな
がらピストン金前部室測に移動でせ、これに伴い油液金
端面板の油液通路金運って前部室から後部室に流動でせ
閉扉時には伸長するスプリングにより後部端面板４押し
てピストン金後部室側に移動でせ、これに伴い後部室か
ら前部室へ流動する油液の流動量音調整弁によって制御
し、ドアーの閉扉速度金緩速となすようにしたドアー・
クローザに於て、ピストンの後部端面板の前部室側内面
に半円球状のフィルタ金スプリングにより圧着すると共
に制御部の調整弁に筒型フィルタを遊嵌取付けしたもの
であるから開扉時シリンダ内の油液はピストンの移動に
伴って前部室からピストン後部の端面板に貫通して設け
た油液通路を通って後部室に流入し〜後部室金繰て調整
弁部に到るが、その油液流動制御前に油液中のゴミ、金
属清粉等の雑物は半円球状フィルタに捕捉され、またζ
閉扉時には筒型フィルタにより捕捉されるので、閉扉の
速度金緩速とするために重要な油液の流動制御の調整弁
部位への流入油は常に清浄であるからその油流動制御は
常に正確になでれ、ドアーの緩速閉扉は確実で緩速不良
若しくは不能は全く起こらない。As explained above, in this invention, the rear end plate of the piston fitted in a cylinder filled with oil is divided into a front chamber and a rear chamber in which the volume of the inner metal of the cylinder changes, and the upper end plate is free from the ball valve. The oil passage metal is installed through the front chamber and the rear chamber, and when the door is opened, the spring metal is compressed and moves to the front chamber of the piston metal. The oil passageway carries the oil and flows from the front chamber to the rear chamber.When the door is closed, the spring that expands pushes the rear end plate 4 and moves the piston to the rear chamber, and as a result, the oil flows from the rear chamber to the front chamber. The door closing speed is controlled by a flow volume sound adjustment valve, and the door closing speed is slow.
In the closer, a semi-spherical filter metal spring is crimped to the inner surface of the front chamber side of the rear end plate of the piston, and a cylindrical filter is loosely fitted to the control valve of the control section, so that the inside of the cylinder when the door is opened. As the piston moves, the oil flows from the front chamber into the rear chamber through the oil passage provided through the end plate at the rear of the piston, and then reaches the adjustment valve in the rear chamber. Before oil flow control, impurities such as dust and metal powder in the oil are captured by a semicircular spherical filter, and
When the door is closed, it is captured by the cylindrical filter, so the oil flowing into the regulating valve part of the oil flow control, which is important for keeping the door closing speed slow, is always clean, so the oil flow control is always accurate. The slow and slow closing of the door is reliable, and there are no problems with slow closing or failure.
而も本考案に係るドアー・クローザのシリンダはピスト
ン後部の端面板によって区切られているから前部室は後
部室よりも遥かに大きい。Moreover, since the cylinder of the door closer according to the present invention is divided by the end plate at the rear of the piston, the front chamber is much larger than the rear chamber.
従ってシリンダ内の油液はその大部分が前部室内に牧舎
てれているから特に半円球状フィルタによる場合は、濾
過により油液の清浄は調整弁の流動制御に全く支障ない
程度にほぼ完全に実施ブれ、また半円球状フィルタ及び
筒型フィルタのいずれの・場合も捕捉づれてこれに付着
する雑物はピストンの正逆方向の移動による油液の流れ
により容易に剥離でれフィルタの濾過作用は永く保たれ
る。Therefore, since most of the oil in the cylinder is contained within the front chamber, especially when using a semicircular spherical filter, the oil can be completely cleaned by filtration to the extent that it does not interfere with the flow control of the regulating valve. In addition, in both semicircular spherical filters and cylindrical filters, impurities that are caught and adhere to the filter can be easily removed by the flow of oil caused by the movement of the piston in the forward and reverse directions. The effect is maintained forever.
本考案はフィルタの取付けにより従来のようなドアー・
クローザ組立て後のシリンダ内の洗浄分全く必要とせず
組立て前の各部品の洗浄はこれ４省いてもよく又、洗浄
するにしても荒洗浄で十分であるから労力の節減効果は
大であり而もフィルタの取付けは容易でその固定はスプ
リングの押圧で確実であり、このフィルタによる油液の
洗浄は完全でゴミ等の混入は全くないから調整弁による
油の流動制御部分の油流動間隙４著しく僅少にし、その
制御効果音最大限に発揮でせてドアーの閉扉の速度４常
に正確に最も緩い速度でなさしめることができ極めて実
田的なものである。This invention allows the installation of a filter to prevent the door from opening like a conventional door.
There is no need to clean the inside of the cylinder after assembling the closer, and the cleaning of each part before assembly can be omitted, and even if cleaning is done, rough cleaning is sufficient, so the labor savings are significant. The filter is easy to install, and its fixation is ensured by the pressure of a spring.The filter completely cleans the oil and there is no dirt or other contaminants, so the oil flow gap 4 in the oil flow control section by the adjustment valve is significantly reduced. The door closing speed 4 can be kept accurately at the slowest speed by minimizing the control sound effect to its maximum extent, making it extremely practical.
第１図は本考案の実施例であってドアー閉扉状態におけ
る縦断側面図、第２図は本考案ドアー・クローザに施す
ピストン内フィルタの例の斜面図、第３図は調整弁部に
於けるフィルタ装着の断面図である。
１・・・・・・シリンダ、２・・・・・・ピストン、３
・・・・・・端面板、７・・・・・・スプリング、１１
・・・・・・油液通路、１２・・・・・・ボール弁、１
４・・・・・・調整弁、１９・・・・・・半円球状フィ
ルタ、１９′・・・・・・筒型フィルタ、ａ・・・・・
・前部室、ｂ・・・・・・後部室。Fig. 1 shows an embodiment of the present invention, a longitudinal side view with the door closed, Fig. 2 is a perspective view of an example of the piston filter applied to the door closer of the invention, and Fig. 3 shows the adjustment valve part. It is a sectional view of filter installation. 1...Cylinder, 2...Piston, 3
...End plate, 7...Spring, 11
...Oil liquid passage, 12 ...Ball valve, 1
4...Adjusting valve, 19...Semicircular spherical filter, 19'...Cylindrical filter, a...
- Front chamber, b... Rear chamber.
Claims (1)
板でシリンダ内金容積変動する前部室と後部室とに分割
し、上記後部端面板はボール弁を自由状態に封入した油
液通路金前部室と後部室とに貫通して設けてなり、開扉
時スプリング金圧縮でせながらピストンを前部室側に移
動でせ、これに伴い油液全端面板の油液通路を通って前
部室から後部室に流動σせ、閉扉時には伸長するスプリ
ングにより後部端面板を押してビス斗ンを後部室側に移
動させ、これに伴い後部室から前部室へ流動する油液の
流動量を調整弁によって制御し、ドアーの閉扉速度金緩
速となすようにしたドアー・クローザに於て、ピストン
の後部端面板の前部室側内面に半円球状のフィルタ全ス
プリングにより圧着すると共に制御部の調整弁に筒型フ
ィルタ金遊嵌取付けしたことを特徴とするドアー・クロ
ザ。The rear end plate of the piston fitted in the cylinder filled with oil and liquid gold is divided into a front chamber and a rear chamber where the volume of the cylinder interior changes. It is provided through the front chamber and the rear chamber, and when the door is opened, the piston is moved to the front chamber while being compressed by the spring metal, and as a result, the oil flows from the front chamber through the oil passage in the end face plate. The oil flows into the rear chamber, and when the door is closed, the spring that expands pushes the rear end plate and moves the screw to the rear chamber, and the flow rate of the oil flowing from the rear chamber to the front chamber is controlled by the adjustment valve. In a door closer that has a slow door closing speed, a semi-spherical filter is pressed against the inner surface of the rear end plate of the piston on the front chamber side, and a cylinder is attached to the regulating valve of the control section. A door closer featuring a molded filter fitted with a loose fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980111518U JPS5938863Y2 (en) | 1980-08-05 | 1980-08-05 | door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980111518U JPS5938863Y2 (en) | 1980-08-05 | 1980-08-05 | door closer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733882U JPS5733882U (en) | 1982-02-22 |
| JPS5938863Y2 true JPS5938863Y2 (en) | 1984-10-29 |
Family
ID=29472622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980111518U Expired JPS5938863Y2 (en) | 1980-08-05 | 1980-08-05 | door closer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5938863Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587774A (en) * | 2011-01-11 | 2012-07-18 | 多玛两合有限公司 | Door operator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100328116B1 (en) * | 1999-07-09 | 2002-03-09 | 이상억 | A door closer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48104341A (en) * | 1972-02-19 | 1973-12-27 |
-
1980
- 1980-08-05 JP JP1980111518U patent/JPS5938863Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48104341A (en) * | 1972-02-19 | 1973-12-27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587774A (en) * | 2011-01-11 | 2012-07-18 | 多玛两合有限公司 | Door operator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5733882U (en) | 1982-02-22 |
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