JPH0724544A - Discharge valve and valve plate device - Google Patents
Discharge valve and valve plate deviceInfo
- Publication number
- JPH0724544A JPH0724544A JP16877993A JP16877993A JPH0724544A JP H0724544 A JPH0724544 A JP H0724544A JP 16877993 A JP16877993 A JP 16877993A JP 16877993 A JP16877993 A JP 16877993A JP H0724544 A JPH0724544 A JP H0724544A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- discharge valve
- discharge
- valve plate
- manufacturing
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1066—Valve plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Check Valves (AREA)
- Punching Or Piercing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、斜板式圧縮機等の多気
筒圧縮機用の吐出弁の製造方法及び弁板装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge valve manufacturing method and a valve plate apparatus for a multi-cylinder compressor such as a swash plate compressor.
【０００２】[0002]
【従来の技術】一円周上に複数のシリンダが形成された
多気筒圧縮機に用いられる吐出弁は、各シリンダにそれ
ぞれ対応する複数のリードを有し、これらのリードは、
放射状に形成されている。この吐出弁の従来の製造方法
は、鋼板を放射状、即ち、吐出弁の形状通りに打抜く打
抜き工程と、この打抜き工程により生じたバリ或いはク
ラックを除去する為に、打抜き工程で得られた吐出弁を
複数同時に研磨する研磨工程とから成る。打抜き工程
は、一般にプレス打抜きで行われ、また、研磨工程は、
一般にバレル研磨で行われる。2. Description of the Related Art A discharge valve used in a multi-cylinder compressor having a plurality of cylinders formed on one circumference has a plurality of leads respectively corresponding to the cylinders.
It is formed radially. The conventional manufacturing method of this discharge valve is a punching step of punching a steel plate radially, that is, according to the shape of the discharge valve, and the discharge obtained in the punching step in order to remove burrs or cracks generated by this punching step. And a polishing step of polishing a plurality of valves at the same time. The punching process is generally performed by press punching, and the polishing process is
Generally, barrel polishing is performed.
【０００３】一方、多気筒圧縮機用の従来の弁板装置
は、一般に、シリンダに対応させて形成された吐出孔及
び吸入孔を有する弁板と、弁板のシリンダヘッド側面に
配置され、吐出孔を開閉する吐出弁と、弁板のシリンダ
ブロック側面に配置され、吸入孔を開閉する吸入弁と、
吐出弁と共に弁板に取り付けられ弁板の開方向の動きを
制限するバルブリテーナとから成る。On the other hand, a conventional valve plate device for a multi-cylinder compressor generally has a valve plate having a discharge hole and a suction hole formed corresponding to a cylinder, and a valve plate disposed on a side surface of a cylinder head of the valve plate to discharge a gas. A discharge valve that opens and closes the hole, and a suction valve that is arranged on the side of the cylinder block of the valve plate and that opens and closes the suction hole,
The valve retainer is attached to the valve plate together with the discharge valve and limits the movement of the valve plate in the opening direction.
【０００４】[0004]
【発明が解決しようとする課題】上述のように、従来の
吐出弁の製造方法では、吐出弁を鋼板から打抜き、その
後、この打抜きにより生じたバリ等を除去する為に、多
数の吐出弁をバレル研磨装置等の研磨装置に投入し、こ
れらのプレス切断面を同時に研磨するように成っている
が、この研磨工程において、吐出弁のリード同士が絡み
合い、リードの付根付近が傷付くことが多々生じた。吐
出弁のリードの付根付近は、疲労強度上、最も重要な部
分であり、この部分に傷が付くと、極度の寿命低下に結
び付いてしまう。As described above, in the conventional method for manufacturing a discharge valve, a large number of discharge valves are used in order to punch out the discharge valve from a steel plate and then remove burrs and the like generated by this punching. It is configured to be put into a polishing device such as a barrel polishing device and polish these press cut surfaces at the same time, but in this polishing process, the leads of the discharge valve are often entangled with each other and the vicinity of the root of the lead is often scratched. occured. The vicinity of the root of the lead of the discharge valve is the most important part in terms of fatigue strength, and if this part is scratched, it will lead to an extremely shortened life.
【０００５】それ故に、本発明の課題は、リードを傷付
けることが無い吐出弁の製造方法、及びその製造方法に
より得られた吐出弁を用いるのに適した構成を有する弁
板装置を提供することにある。Therefore, an object of the present invention is to provide a method for manufacturing a discharge valve that does not damage the reed, and a valve plate device having a structure suitable for using the discharge valve obtained by the manufacturing method. It is in.
【０００６】[0006]
【課題を解決するための手段】本発明によれば、複数の
リードを有する吐出弁の製造方法において、上記リード
同士を連結する連結片を有する吐出弁中間体を打ち抜い
て得る打抜き工程と、該打抜き工程により得られた複数
の吐出弁中間体のプレス切断面を同時に研磨する研磨工
程と、該研磨工程後、上記連結片を上記リードから切り
離す切断工程とを有することを特徴とする吐出弁の製造
方法が得られる。According to the present invention, in a method of manufacturing a discharge valve having a plurality of reeds, a punching step obtained by punching out a discharge valve intermediate body having a connecting piece for connecting the leads to each other, A discharge valve, comprising: a polishing step of simultaneously polishing the press cut surfaces of a plurality of discharge valve intermediate bodies obtained by a punching step; and a cutting step of separating the connecting piece from the lead after the polishing step. A manufacturing method is obtained.
【０００７】また、本発明によれば、吐出孔を有する弁
板と、該弁板の一面上に配置され、上記吐出孔を開閉す
る上記製造方法により得られた吐出弁とを含み、上記連
結片を上記リードから切り離す際に上記吐出弁に生じた
最終切断部を受け入れる凹部を上記弁板に形成したこと
を特徴する弁板装置が得られる。Further, according to the present invention, there is provided a valve plate having a discharge hole, and a discharge valve which is disposed on one surface of the valve plate and which is obtained by the manufacturing method for opening and closing the discharge hole. A valve plate device is obtained in which a recess is formed in the valve plate to receive a final cut portion formed in the discharge valve when the piece is separated from the lead.
【０００８】更に、本発明によれば、吐出孔を有する弁
板と、該弁板の一面上に配置され、上記吐出孔を開閉す
る請求項１記載の製造方法により得られた吐出弁と、該
吐出弁と共に上記弁板に取り付けられ該吐出弁の開方向
の動きを制限するバルブリテーナとを含み、上記連結片
を上記リードから切り離す際に上記吐出弁に生じた最終
切断部との接触を避ける切欠きを上記バルブリテーナに
形成したことを特徴する弁板装置が得られる。Further, according to the present invention, a valve plate having a discharge hole, and a discharge valve obtained by the manufacturing method according to claim 1, which is arranged on one surface of the valve plate and opens and closes the discharge hole. A valve retainer attached to the valve plate together with the discharge valve to limit the movement of the discharge valve in the opening direction, and to prevent contact with a final cut portion generated in the discharge valve when the connecting piece is separated from the lead. A valve plate device is obtained in which a notch to be avoided is formed in the valve retainer.
【０００９】[0009]
【作用】本発明の製造方法の場合、打抜き工程の際に、
リード同士を連結する連結片を残すようにしてある。即
ち、打抜き工程により得られるものは、最終的な吐出弁
の形状を有するものではなく、吐出弁に連結片が備えら
れた状態の吐出弁中間体である。In the manufacturing method of the present invention, during the punching step,
A connecting piece for connecting the leads is left. That is, what is obtained by the punching step is not the final shape of the discharge valve, but the discharge valve intermediate body in which the discharge valve is provided with the connecting piece.
【００１０】研磨工程では、複数の吐出弁中間体のプレ
ス切断面を同時に研磨するように成っている。この際、
吐出弁中間体には、連結片があるので、複数の吐出弁中
間体のリード同士が絡み合うことが無い。In the polishing step, the press cut surfaces of the plurality of discharge valve intermediate bodies are simultaneously polished. On this occasion,
Since the discharge valve intermediate body has the connecting piece, the leads of the plurality of discharge valve intermediate bodies are not entangled with each other.
【００１１】切断工程では、研磨工程後、不要となった
連結片をリードから切り離す。この切断工程で製造工程
が全て終了し、吐出弁が完成する。In the cutting step, after the polishing step, the unnecessary connecting piece is separated from the lead. With this cutting step, all manufacturing steps are completed, and the discharge valve is completed.
【００１２】以上の様にして得られた吐出弁の場合、吐
出弁の最終切断部、即ち、連結片をリードから切り離す
際にリードに生じた切断部分は、研磨処理されていな
い。従って、この部分にバリ等が残っていることがあ
る。しかし、吐出弁の最終切断部は、極小さなものであ
るので、ここにバリ等が残っていても、それ程問題に成
らない。しかし、万全を期す為に、請求項２記載の弁板
装置では、弁板に吐出弁の最終切断部に対応する凹部を
形成してある。従って、吐出弁の最終切断部にバリ等が
残っていても、弁板に形成された凹部に最終切断部のバ
リ等が入り込む様に成っているので、吐出弁のリード
は、完全に弁板の吐出孔を閉塞することができる。ま
た、請求項３記載の弁板装置では、バルブリテーナの最
終切断部に対応する部分を切り欠いているので、バルブ
リテーナと最終切断部とが接触することがなく、悪影響
は全く無い。In the case of the discharge valve obtained as described above, the final cut portion of the discharge valve, that is, the cut portion formed on the lead when the connecting piece is separated from the lead is not polished. Therefore, burrs and the like may remain in this portion. However, since the final cut portion of the discharge valve is an extremely small portion, even if burrs or the like remain here, it does not cause much trouble. However, for the sake of completeness, in the valve plate device according to the second aspect, the valve plate is provided with a recessed portion corresponding to the final cut portion of the discharge valve. Therefore, even if burr or the like remains on the final cut portion of the discharge valve, the burr or the like on the final cut portion enters into the recess formed in the valve plate. Can be closed. Further, in the valve plate device according to the third aspect, since the portion corresponding to the final cut portion of the valve retainer is cut out, the valve retainer and the final cut portion do not come into contact with each other, and there is no adverse effect.
【００１３】[0013]
【実施例】図１は本発明の第１の実施例の吐出弁の製造
方法における打抜き工程で得られる吐出弁中間体の平面
図、図２は第１の実施例の吐出弁の製造方法における切
断工程後の吐出弁の平面図である。1 is a plan view of a discharge valve intermediate body obtained in a punching step in a discharge valve manufacturing method of a first embodiment of the present invention, and FIG. 2 is a discharge valve manufacturing method of a first embodiment. It is a top view of the discharge valve after a cutting process.
【００１４】図１及び図２を参照して、本実施例の吐出
弁の製造方法は、打抜き工程、研磨工程、及び切断工程
を有している。With reference to FIGS. 1 and 2, the method of manufacturing the discharge valve of this embodiment includes a punching step, a polishing step, and a cutting step.
【００１５】打抜き工程は、鋼板を所定形状に打抜くこ
とにより行われる。本実施例の場合、打抜き工程は、プ
レス切断で行われる。打抜き工程で得られるものは、吐
出弁中間体１である。この吐出弁中間体１は、中心孔２
を有するリング状の中心部３と、この中心部３から放射
状に延びた複数のリード４と、リード４同士をこれらの
先端で連結する連結片５とから成る。この様に、打抜き
工程で得られる吐出弁中間体１は、最終的な吐出弁の形
状を有するものではなく、リード４同士を連結する連結
片５を有したものである。The punching step is performed by punching a steel sheet into a predetermined shape. In the case of this embodiment, the punching step is performed by press cutting. What is obtained in the punching process is the discharge valve intermediate 1. This discharge valve intermediate 1 has a central hole 2
A ring-shaped central portion 3, a plurality of leads 4 radially extending from the central portion 3, and a connecting piece 5 connecting the leads 4 to each other at their tips. As described above, the discharge valve intermediate body 1 obtained in the punching step does not have the final shape of the discharge valve, but has the connecting piece 5 that connects the leads 4 to each other.
【００１６】打抜き工程後、研磨工程が行われる。研磨
工程は、打抜き工程で得られた複数の吐出弁中間体１の
プレス切断面全体を同時に研磨することにより行われ
る。本実施例の研磨工程では、バレル研磨装置が用いら
れ、このバレル研磨装置内に複数の吐出弁中間体１を投
入し、このバレル研磨装置を作動させることにより、研
磨工程が行われる。After the punching process, a polishing process is performed. The polishing step is performed by simultaneously polishing the entire press cut surface of the plurality of discharge valve intermediate bodies 1 obtained in the punching step. In the polishing process of the present embodiment, a barrel polishing device is used, and a plurality of discharge valve intermediate bodies 1 are loaded into the barrel polishing device and the barrel polishing device is operated to perform the polishing process.
【００１７】研磨工程後、切断工程が行われる。切断工
程は、研磨工程終了後、不要となった連結片５をリード
４から切り離すことにより行われる。本実施例の場合、
切断工程は、プレス切断で行われる。After the polishing step, a cutting step is performed. The cutting step is performed by separating the unnecessary connecting piece 5 from the lead 4 after the polishing step. In the case of this embodiment,
The cutting process is performed by press cutting.
【００１８】上述の打抜き工程、研磨工程、及び切断工
程を経て、図２に示す様に、中心孔２、中心部３、及び
リード４を有する吐出弁６が完成する。尚、吐出弁６の
最終切断部、即ち、連結片５をリード４から切り離す際
にリード４に生じた切断部分７は、研磨処理されていな
い。従って、この最終切断部７にバリ等が残っているこ
とがある。しかし、吐出弁６の最終切断部７は、極小さ
なものであるので、ここにバリ等が残っていても、それ
程問題に成らず、吐出弁６を弁板に取り付ける際に、こ
のバリ等の突出方向に注意し、このバリ等が弁板の方に
向かないようにすれば、特別問題は生じない。特に、後
述する図４乃至図６に示す弁板装置では、弁板に最終切
断部７を受け入れる凹部が形成され、更に、バルブリテ
ーナには、最終切断部７に対応する部位に切欠きを設け
てあるので、最終切断部７のバリ等による影響は全く無
い。After the punching step, the polishing step, and the cutting step, the discharge valve 6 having the center hole 2, the center portion 3 and the reed 4 is completed as shown in FIG. The final cut portion of the discharge valve 6, that is, the cut portion 7 formed on the lead 4 when the connecting piece 5 is separated from the lead 4 is not polished. Therefore, burrs and the like may remain on the final cut portion 7. However, since the final cut portion 7 of the discharge valve 6 is an extremely small one, even if burrs or the like remain here, it does not cause any problem, and when the discharge valve 6 is attached to the valve plate, the burrs and the like If you pay attention to the direction of protrusion so that the burr does not face the valve plate, no special problem will occur. Particularly, in the valve plate device shown in FIGS. 4 to 6 which will be described later, the valve plate is provided with a concave portion for receiving the final cutting portion 7, and the valve retainer is provided with a notch at a portion corresponding to the final cutting portion 7. Therefore, there is no influence of burrs or the like on the final cutting portion 7.
【００１９】図３は本発明の吐出弁の製造方法の第２の
実施例を説明する説明図であり、図３の左側半分は、打
抜き工程後の状態を示し、右側半分は切断工程後の状態
を示している。FIG. 3 is an explanatory view for explaining the second embodiment of the method for manufacturing a discharge valve according to the present invention. The left half of FIG. 3 shows the state after the punching step, and the right half of the FIG. 3 shows the state after the cutting step. It shows the state.
【００２０】図３を参照して、本実施例の吐出弁の製造
方法は、製造工程自体、第１の実施例と同じであり、打
抜き工程で得れる吐出弁中間体１の形状のみが異なる。
即ち、第１の実施例の場合、図１から明らかなように、
連結片５は、リード４の先端部間を連結しているが、本
実施例の場合、図３の左側半分に示す様に、連結片５
は、リード４の先端から少し中心部３に寄った部分でリ
ード４同士を連結している。従って、切断工程後の吐出
弁６には、図３の右側半分に示す様に、リード４の先端
部両側に最終切断部７が生じることになる。以上の点以
外は、第１の実施例と同じであるので、説明を省略す
る。Referring to FIG. 3, the manufacturing method of the discharge valve of this embodiment is the same as the manufacturing process of the first embodiment, and only the shape of the discharge valve intermediate 1 obtained in the punching process is different. .
That is, in the case of the first embodiment, as is clear from FIG.
The connecting piece 5 connects between the tip portions of the leads 4, but in the case of this embodiment, as shown in the left half of FIG.
Connects the leads 4 to each other at a portion slightly closer to the central portion 3 from the tips of the leads 4. Therefore, in the discharge valve 6 after the cutting step, as shown in the right half of FIG. 3, final cutting portions 7 are formed on both sides of the tip portion of the lead 4. The other points are the same as those in the first embodiment, and the description thereof will be omitted.
【００２１】図４は本発明の第１の実施例による弁板装
置を備えた斜板式圧縮機の要部の断面図、図５は図４に
示す弁板装置の要部の拡大断面図、図６は図４に示す弁
板装置の要部の平面図である。FIG. 4 is a sectional view of an essential part of a swash plate type compressor provided with a valve plate device according to the first embodiment of the present invention, and FIG. 5 is an enlarged sectional view of an essential part of the valve plate device shown in FIG. FIG. 6 is a plan view of a main part of the valve plate device shown in FIG.
【００２２】図４乃至図６を参照して、この弁板装置１
０は、吐出弁６、弁板１１、吸入弁１２、バルブリテー
ナ１３、ボルト１４、及びナット１５から成る。With reference to FIGS. 4 to 6, this valve plate device 1
Reference numeral 0 includes a discharge valve 6, a valve plate 11, a suction valve 12, a valve retainer 13, a bolt 14, and a nut 15.
【００２３】吐出弁６は、図２に示すものである。従っ
て、リード４の先端部は、最終切断部７と成っている。The discharge valve 6 is shown in FIG. Therefore, the tip portion of the lead 4 constitutes the final cut portion 7.
【００２４】弁板１１には、吐出孔１１０及び吸入孔１
１１が形成されている。これら吐出孔１１０及び吸入孔
１１１は、シリンダブロック２０にその中心線を取り囲
むようにして一定間隔に複数形成されたシリンダ２１に
対応させて弁板１１に複数形成されている。また、弁板
１１には、円環溝１１２が形成されている。円環溝１１
２は、吐出孔１１０を取り囲むように形成され、吐出弁
６のリード４に残った最終切断部７を受け入れる凹部と
成っている。この弁板１１のシリンダヘッド２２側面に
吐出弁６が配置され、吐出弁６のリード４で吐出孔１１
０を開閉する様に成っている。このリード４による吐出
孔１１０の開閉の際、リード４の最終切断部７にバリ等
が残っていても、このバリ等は、円環溝１１２内に入り
込むので、リード４が吐出孔１１０を完全に閉塞するこ
とができる。The valve plate 11 has a discharge hole 110 and a suction hole 1.
11 is formed. A plurality of the discharge holes 110 and the suction holes 111 are formed in the valve plate 11 so as to correspond to the cylinders 21 formed in the cylinder block 20 so as to surround the center line thereof at regular intervals. An annular groove 112 is formed on the valve plate 11. Circular groove 11
The reference numeral 2 is a recess that is formed so as to surround the discharge hole 110 and receives the final cut portion 7 remaining on the lead 4 of the discharge valve 6. The discharge valve 6 is arranged on the side surface of the cylinder head 22 of the valve plate 11, and the lead 4 of the discharge valve 6 allows the discharge hole 11 to move.
It is designed to open and close 0. Even when a burr or the like remains in the final cut portion 7 of the lead 4 when the discharge hole 110 is opened or closed by the lead 4, the burr or the like enters the annular groove 112, so that the lead 4 completely covers the discharge hole 110. Can be occluded.
【００２５】尚、円環溝１１２は、図３の示す吐出弁６
のリード４の最終切断部７にも対応するように成ってい
るので、この最終切断部７にバリ等が残っていても問題
無く、従って、本実施例の弁板装置１０は、図３に示す
吐出弁６も使用できる様に成っている。The annular groove 112 is provided in the discharge valve 6 shown in FIG.
Since it also corresponds to the final cutting portion 7 of the lead 4, there is no problem even if burrs and the like remain in this final cutting portion 7, and therefore the valve plate device 10 of the present embodiment is shown in FIG. The discharge valve 6 shown can also be used.
【００２６】吸入弁１２には、吐出孔１１０に対向する
部分に通孔１２０が穿設されている。吸入弁１２は、弁
板１１のシリンダブロック２０側面に配置され、吸入孔
１１１を開閉する様に成っている。The suction valve 12 is provided with a through hole 120 at a portion facing the discharge hole 110. The intake valve 12 is arranged on the side surface of the cylinder block 20 of the valve plate 11 so as to open and close the intake hole 111.
【００２７】バルブリテーナ１３は、吐出弁６及び吸入
弁１２と共にボルト１４及びナット１５によって弁板１
１に固定されている。バルブリテーナ１３は、吐出弁６
と当接することによって、吐出弁６の開方向の動きを制
限する。また、このバルブリテーナ１３は、吐出弁６の
リード４の最終切断部７と当接しない様に、最終切断部
７に対向する部分を切り欠いて、ここを切欠き１３０と
してある。これにより、最終切断部７にバリ等が残って
いても、異音等が生じない様に成っている。The valve retainer 13, together with the discharge valve 6 and the suction valve 12, is formed by the bolt 14 and the nut 15 so that the valve plate 1 is provided.
It is fixed at 1. The valve retainer 13 is a discharge valve 6
By contacting with, the movement of the discharge valve 6 in the opening direction is restricted. Further, the valve retainer 13 has a notch 130 formed by cutting out a portion facing the final cut portion 7 so as not to contact the final cut portion 7 of the lead 4 of the discharge valve 6. As a result, even if burrs or the like remain on the final cutting portion 7, no abnormal noise is generated.
【００２８】[0028]
【発明の効果】本発明の吐出弁の製造方法によれば、研
磨工程において連結片を有する吐出弁中間体を研磨する
様に成っているので、リード同士が絡み合うことがな
く、従って、リードを傷付けることなく研磨加工するこ
とができる。According to the discharge valve manufacturing method of the present invention, since the discharge valve intermediate body having the connecting piece is polished in the polishing step, the leads are not entangled with each other, and therefore the leads are not entangled. It can be polished without damaging it.
【００２９】また、本発明による弁板装置は、本発明の
製造方法により得られた吐出弁を用いるのに適してい
る。Further, the valve plate device according to the present invention is suitable for using the discharge valve obtained by the manufacturing method of the present invention.
【図１】図１は本発明の第１の実施例の吐出弁の製造方
法における打抜き工程で得られる吐出弁中間体の平面図
である。FIG. 1 is a plan view of a discharge valve intermediate body obtained in a punching step in a method for manufacturing a discharge valve according to a first embodiment of the present invention.
【図２】図２は本発明の第１の実施例の吐出弁の製造方
法における切断工程後の吐出弁の平面図である。FIG. 2 is a plan view of the discharge valve after the cutting step in the method of manufacturing the discharge valve according to the first embodiment of the present invention.
【図３】図３は本発明の吐出弁の製造方法の第２の実施
例を説明する説明図である。FIG. 3 is an explanatory view illustrating a second embodiment of the method for manufacturing a discharge valve according to the present invention.
【図４】図４は本発明の第１の実施例による弁板装置を
備えた斜板式圧縮機の要部の断面図である。FIG. 4 is a sectional view of an essential part of a swash plate type compressor provided with a valve plate device according to a first embodiment of the present invention.
【図５】図５は図４に示す弁板装置の要部の拡大断面図
である。5 is an enlarged cross-sectional view of a main part of the valve plate device shown in FIG.
【図６】図６は図４に示す弁板装置の要部の平面図であ
る。FIG. 6 is a plan view of a main part of the valve plate device shown in FIG.
１ 吐出弁中間体 ４ リード ５ 連結片 ６ 吐出弁 ７ 最終切断部 １０ 弁板装置 １１２ 円環溝（凹部） DESCRIPTION OF SYMBOLS 1 Discharge valve intermediate body 4 Reed 5 Connecting piece 6 Discharge valve 7 Final cutting part 10 Valve plate device 112 Annular groove (recess)
Claims (3)
において、上記リード同士を連結する連結片を有する吐
出弁中間体を打ち抜いて得る打抜き工程と、該打抜き工
程により得られた複数の吐出弁中間体のプレス切断面を
同時に研磨する研磨工程と、該研磨工程後、上記連結片
を上記リードから切り離す切断工程とを有することを特
徴とする吐出弁の製造方法。1. A method of manufacturing a discharge valve having a plurality of reeds, comprising a punching step of punching out a discharge valve intermediate having a connecting piece for connecting the leads, and a plurality of discharge valves obtained by the punching step. A method of manufacturing a discharge valve, comprising: a polishing step of simultaneously polishing the press cut surface of the intermediate body; and a cutting step of separating the connecting piece from the lead after the polishing step.
に配置され、上記吐出孔を開閉する請求項１記載の製造
方法により得られた吐出弁とを含み、上記連結片を上記
リードから切り離す際に上記吐出弁に生じた最終切断部
を受け入れる凹部を上記弁板に形成したことを特徴する
弁板装置。2. A valve plate having a discharge hole, and a discharge valve which is arranged on one surface of the valve plate and opens and closes the discharge hole, wherein the discharge valve is obtained by the manufacturing method according to claim 1. A valve plate device characterized in that a recess is formed in the valve plate to receive a final cut portion formed in the discharge valve when the valve plate is separated from the lead.
に配置され、上記吐出孔を開閉する請求項１記載の製造
方法により得られた吐出弁と、該吐出弁と共に上記弁板
に取り付けられ該吐出弁の開方向の動きを制限するバル
ブリテーナとを含み、上記連結片を上記リードから切り
離す際に上記吐出弁に生じた最終切断部との接触を避け
る切欠きを上記バルブリテーナに形成したことを特徴す
る弁板装置。3. A valve plate having a discharge hole, a discharge valve obtained by the manufacturing method according to claim 1, which is arranged on one surface of the valve plate and opens and closes the discharge hole, and the valve together with the discharge valve. A valve retainer attached to the plate for restricting the movement of the discharge valve in the opening direction; and a notch for avoiding contact with a final cut portion formed in the discharge valve when the connecting piece is separated from the lead. A valve plate device formed on a retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16877993A JPH0724544A (en) | 1993-07-08 | 1993-07-08 | Discharge valve and valve plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16877993A JPH0724544A (en) | 1993-07-08 | 1993-07-08 | Discharge valve and valve plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0724544A true JPH0724544A (en) | 1995-01-27 |
Family
ID=15874315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16877993A Withdrawn JPH0724544A (en) | 1993-07-08 | 1993-07-08 | Discharge valve and valve plate device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724544A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001063126A1 (en) * | 2000-02-22 | 2001-08-30 | Embraco Europe S.R.L. | Compressor valve plate |
| JP2006150366A (en) * | 2004-11-25 | 2006-06-15 | Nitta Moore Co | Method for manufacturing lock ring for pipe joint |
| JP2010017477A (en) * | 2008-07-14 | 2010-01-28 | Terumo Corp | Compressor and oxygen concentrator using the same |
| JP2016065553A (en) * | 2014-09-22 | 2016-04-28 | 東芝テック株式会社 | Check valve mechanism and pump device using the same |
-
1993
- 1993-07-08 JP JP16877993A patent/JPH0724544A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001063126A1 (en) * | 2000-02-22 | 2001-08-30 | Embraco Europe S.R.L. | Compressor valve plate |
| US6971168B2 (en) | 2000-02-22 | 2005-12-06 | Embraco Europe S.R.L. | Compressor valve plate |
| JP2006150366A (en) * | 2004-11-25 | 2006-06-15 | Nitta Moore Co | Method for manufacturing lock ring for pipe joint |
| KR101142573B1 (en) * | 2004-11-25 | 2012-05-23 | 닛타.무어가부시키카이샤 | Method of manufacturing a lock ring for a pipe joint |
| JP2010017477A (en) * | 2008-07-14 | 2010-01-28 | Terumo Corp | Compressor and oxygen concentrator using the same |
| JP2016065553A (en) * | 2014-09-22 | 2016-04-28 | 東芝テック株式会社 | Check valve mechanism and pump device using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4097472B2 (en) | Breaking structure of connecting rod | |
| US5983482A (en) | Method for processing shaft for hub unit and method for producing the shaft | |
| JPH0724544A (en) | Discharge valve and valve plate device | |
| EP0048282B1 (en) | Nib for bolt head or nut forming tool | |
| JPH07232237A (en) | Die for piston | |
| JP2873359B2 (en) | Retainer ring in scroll fluid machine and method of manufacturing the same | |
| JPS62118014A (en) | Tappet valve lifter for engine | |
| JP2908361B2 (en) | Forging and forging tools and methods of making | |
| JPWO2013054437A1 (en) | Method for manufacturing a valve for an internal combustion engine | |
| US6367140B2 (en) | Device for holding cams during their binding on a tube by expansion of the tube | |
| US6565338B1 (en) | Compressor fixed turbine assembly structure | |
| KR101791385B1 (en) | Integral Type Cotter Pin Manufacturing Method | |
| US6368085B1 (en) | Suction valve with variable slot width | |
| US7263774B2 (en) | Plain bearing shell and method for producing a holding projection on a plain bearing shell | |
| KR101644132B1 (en) | Poppet valve for exhaust gas recirculation and manufacturing process of the same | |
| JPH11254080A (en) | Forging apparatus, and forging method | |
| JP2569937Y2 (en) | Poppet for accumulator | |
| JP2000079418A (en) | Method for forming clutch cover having opening | |
| JP2002357180A (en) | Piston | |
| JPH0252126A (en) | Manufacture of grooved cylindrical part | |
| KR100207806B1 (en) | Method for manufacturing mould | |
| JPH08118300A (en) | Manufacture of split bearing | |
| KR20220098432A (en) | A puzzle type bladder mold | |
| KR200410458Y1 (en) | Timing sprocket of cam shaft | |
| JPH06198377A (en) | Die forging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20001003 |