JPS59200077A - Reciprocating type solenoid pump - Google Patents

Reciprocating type solenoid pump

Info

Publication number
JPS59200077A
JPS59200077A JP7388583A JP7388583A JPS59200077A JP S59200077 A JPS59200077 A JP S59200077A JP 7388583 A JP7388583 A JP 7388583A JP 7388583 A JP7388583 A JP 7388583A JP S59200077 A JPS59200077 A JP S59200077A
Authority
JP
Japan
Prior art keywords
plunger
valve
tip
opens
reed valve
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.)
Pending
Application number
JP7388583A
Other languages
Japanese (ja)
Inventor
Tadashi Kiyono
清野 正
Osamu Mukai
修 向井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tohoku Mikuni Kogyo Co Ltd
Original Assignee
Tohoku Mikuni Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tohoku Mikuni Kogyo Co Ltd filed Critical Tohoku Mikuni Kogyo Co Ltd
Priority to JP7388583A priority Critical patent/JPS59200077A/en
Publication of JPS59200077A publication Critical patent/JPS59200077A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • F04B53/12Valves; Arrangement of valves arranged in or on pistons
    • F04B53/123Flexible valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)

Abstract

PURPOSE:To enhance compressibiltity and increase both fluid intake capacity and air purging capacity by installing a reed valve, which opens at a time of intake, or the tip of a plunger. CONSTITUTION:An inner yoke 4 is inserted into a sleeve 6, and a plunger 7 with a relatively small stroke is freely engaged with said sleeve 6 at the middle section of a solenoid pump in order to reduce the volume of said solenoid pump. In addition, a valve seat 9 at the tip side of the plunger 7 is provided with a discharge valve 8 that opens when the plunger 7 returns. A reed valve 30 placed at the tip of the plunger 7 not only serves to prevent leakage in the positive direction but acts as an intake valve thatn opens when the plunger 7 makes suction stroke. By using this reed valve 30, loss volume at the time of reciprocal movement of the plunger 7 can be reduced while compressibility can be increased, thereby ensuring an accurate flow rate.

Description

【発明の詳細な説明】 この発明は、圧縮率が高く#1量が正確な往復型電磁ポ
ンプに関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reciprocating electromagnetic pump with high compression ratio and accurate #1 quantity.

従来のプランジャ式電磁ポンプは、例えば実開昭48−
49605号公報に示されるように、ヨークの中央lこ
スリーブ全般け、スリーブ内に中央通路を有するプラン
ジャを遊嵌し、スリーブの一方に吐出用パルプ全設ける
と共に他方にプランジャの吸引によって開く吸引用パル
プと設けたものであるが、プランジャのストロークが比
較的長く、流量が大(約50〜200 L/Hr )で
11量は極めて大まかである。ディーゼルエンジン排気
ガス浄化装置用燃料ポンプ、暖房用燃料ポンプ等は0.
3〜1.2I4/41r程度の小流量で、厳密な正確さ
が要求されるため、上記実開公報のごとき電磁ポンプ全
使用する°ことは不適当である。
Conventional plunger type electromagnetic pumps are, for example,
As shown in Japanese Patent No. 49605, a plunger having a central passage is loosely fitted into the sleeve at the center of the yoke, and one side of the sleeve is provided with all the pulp for discharge, and the other side is used for suction, which is opened by the suction of the plunger. However, the stroke of the plunger is relatively long and the flow rate is large (approximately 50 to 200 L/Hr), so the amount of 11 is very rough. Fuel pumps for diesel engine exhaust gas purification devices, fuel pumps for heating, etc. are 0.
Since strict accuracy is required at a small flow rate of about 3 to 1.2I4/41r, it is inappropriate to fully use the electromagnetic pump as disclosed in the above-mentioned Utility Model Publication.

上記の点に鑑み、本発明はプランジャ先端に吸引時に開
くリードバルブを設けることにより、圧縮率を高め、吸
入力およびエアの排除能力を大きくし、髄に流量が約0
.1〜L L/Hrと極めて小さい場合でも正確に計量
できるようにした電磁ポンプ?提供するものである。
In view of the above points, the present invention provides a reed valve at the tip of the plunger that opens during suction to increase the compression ratio, increase suction force and air removal ability, and reduce the flow rate to approximately 0.
.. An electromagnetic pump that enables accurate metering even when the measurement is as small as 1~L L/Hr? This is what we provide.

1 本発明の屯硼ポンプは、スリーブ内にインナーヨー
クを嵌挿すると共に、中央に比較的ストロークの小さな
プランジャ?遊嵌してポンプ室容積全小形なものとし、
プランジャ先端側のバルブシートには、プランジャの復
元時に開く吐出パルプを有している。プランジャ先端の
リードパルプは順方向の洩れ止めの役目を果すと同時に
、プランジャの吸引時に開く吸入パルプとして働く。こ
のリードパルプの使用によりプランジャ往復時のロスボ
リュームを小さくシ、圧縮率を高めて正確な流量k W
(j保することができる。
1. The tunbo pump of the present invention has an inner yoke inserted into the sleeve, and a plunger with a relatively small stroke in the center. Fits loosely to reduce the total volume of the pump chamber,
The valve seat on the tip side of the plunger has a discharge pulp that opens when the plunger is restored. The lead pulp at the tip of the plunger serves to prevent leakage in the forward direction, and at the same time acts as a suction pulp that opens when the plunger draws in. By using this lead pulp, the loss volume during plunger reciprocation is reduced, the compression ratio is increased, and accurate flow rate kW is achieved.
(j can be maintained.

次に図面について本発明を具体的に説明する。Next, the present invention will be specifically explained with reference to the drawings.

第1図は本発明往復型電磁ポンプの断面を示すもので、
(1)はヨーク、(2+H円筒状のアウターヨーク、(
3)はエンドヨーク、(4)はインナーヨーク、(5)
は電磁コイル、(6)は電磁コイル内側に配置したスリ
ーブ、(7)はインナーヨーク(4)に対向してスリー
ブ内に遊嵌したプランジャ、(8)は吐出用のパルプ、
(9)lはパルプシー) 、 (10)は電極、圓およ
び(1渇は吸入側および吐出側のキャップ、α3)およ
び(14Iはキャップ内に形成したエアチャンバ、(1
5)およびrmhフィルター、(1ηはフィルター押え
スプリング、αg+(tsi″t。
Figure 1 shows a cross section of the reciprocating electromagnetic pump of the present invention.
(1) is a yoke, (2+H cylindrical outer yoke, (
3) is the end yoke, (4) is the inner yoke, (5)
is an electromagnetic coil, (6) is a sleeve placed inside the electromagnetic coil, (7) is a plunger loosely fitted in the sleeve facing the inner yoke (4), (8) is pulp for discharging,
(9) l is the pulp sea), (10) is the electrode, the circle and (1 is the cap on the suction side and the discharge side, α3) and (14I is the air chamber formed in the cap, (1
5) and rmh filter, (1η is filter holding spring, αg+(tsi″t.

リングである。It's a ring.

インナーヨーク(4)は組付時に、スリーブ(6)内に
挿合し、軸心方向にスライドさせ、指定流量位置で静止
させたのち、止めねじ(231′fr:ネジ込んでヨー
ク(1)全部分的に変形させることにより固定される。
When assembling the inner yoke (4), insert it into the sleeve (6), slide it in the axial direction, stop it at the specified flow rate position, and then screw in the set screw (231'fr) to attach the yoke (1). It is fixed by deforming all parts.

このインナーヨーク(4)は中央に通路041 ’li
−形成しており、先端にはスペーサ(2ωを取付けてい
る。スリーブ(6)に遊嵌したプランジャ(7)け有底
円筒形全なし、中空内部(20)は前記インナーヨーク
の通路(24)に通じている。このプランジャ(7)の
ストロークは小さく、シたがってポンプ室は小容積とな
っている。第2図に示すようにプランジャの中空内部(
20)    ”には復帰用のスプリング(2G)!を
設け、底部分の偏心位置に通路C?ηとビン穴(ハ)と
をあける。プランジャ1端而には凹所(29j全つくっ
てリードパルプ(301を配置する。リードパルプ軸の
偏心位置に通したビンOυにビン穴(28)に嵌着し、
そのテーパヘッド(32部分でパルプ肉厚全おさえるこ
とにより、リードバルブ(30)の通路(2η側部分を
自由端とした状態でプランジャ端面に取付けている。電
磁フィル(5)が通電されないときには、スプリング(
26)の弾力によりプランジャ(7)が左行し、リード
パルプ■がバルブシート(9)に密着して弁孔(33)
を閉じ、順方向の洩れ止めの役目2呆してし)る。
This inner yoke (4) has a passage 041'li in the center.
The plunger (7) loosely fitted into the sleeve (6) has a cylindrical shape with a bottom, and the hollow interior (20) has a spacer (2ω) attached to its tip. ).The stroke of this plunger (7) is small, so the pump chamber has a small volume.As shown in Figure 2, the hollow interior of the plunger (
20) Install a return spring (2G)! in the bottom part, and make a passage C?η and a bottle hole (c) at the eccentric position of the bottom part. Place the pulp (301) into the bottle Oυ passed through the eccentric position of the lead pulp shaft, and fit it into the bottle hole (28).
By suppressing the entire pulp thickness at the taper head (32 part), the reed valve (30) is attached to the plunger end face with the passage (2η side part) as the free end. When the electromagnetic filter (5) is not energized, spring(
The plunger (7) moves to the left due to the elasticity of 26), and the lead pulp ■ comes into close contact with the valve seat (9) and closes the valve hole (33).
Close the valve to prevent leakage in the forward direction (2).

バルブシート(9)の左側、すなわちエアチャンバα滲
に−は、吐出時に開くパルプ(8)が配置されている。
On the left side of the valve seat (9), that is, on the side of the air chamber α, a pulp (8) that opens during discharge is arranged.

このパルプ(8)は、第2図に示すように弁孔(33t
−充分カバーできる半径上lこ環状リプ04)全突出形
成させている。またスプリング09によってパルプ(8
)を常時、バルブシート側に圧接する傾向が与えられて
いる。
This pulp (8) has a valve hole (33t) as shown in FIG.
- Annular lip 04) is formed with a full protrusion on the radius for sufficient coverage. In addition, the pulp (8
) always tends to be in pressure contact with the valve seat side.

次に作用について述べる。Next, we will discuss the effect.

1− 車両暖房器用燃料のごとき流体は、入口(2+)
から入り、フィルターa(ト)、チャンバーa3)、イ
ンナーヨー り(4)の通路(241およびプランジャ
(7)の中空内部QOを経てプランジャ先端の通路(2
7)に達するカ、第1図の状態では電磁コイル(5)が
付勢されず、スプリング(26)の弾力によりプランジ
ャ(7)ハバルブシート(9)側に押付けられ、弁孔(
至)全閉止して流体の供給が停止されている。
1- Fluids such as fuel for vehicle heaters should be placed at the inlet (2+).
It enters through the filter a (g), the chamber a3), the passage (241) of the inner yaw (4) and the hollow interior QO of the plunger (7), and then passes through the passage (2) at the tip of the plunger.
7), the electromagnetic coil (5) is not energized in the state shown in Fig. 1, and the plunger (7) is pressed against the valve seat (9) by the elasticity of the spring (26), and the valve hole (
To) Fully closed and fluid supply stopped.

電磁コイル(5)が付勢され、プランジャスプリング(
26)の弾力に抗してプランジャ(力が吸引されると、
プランジャ先端とバルブシート(9)との間に空間が形
成され、弁孔附近が急激に減圧され、プランジャ先端の
リードバルブC301の自由端が第3図のように湾曲す
るため、通路(2力全開いて矢印のごとく流体を弁孔t
33)側に流入させる。電磁コイル(5)は、電極α0
)を介して周期的な断続電流奮発する電子回路に連なが
れ、例えば10〜25H2の低周波でプランジャ(7)
を往復させる。
The electromagnetic coil (5) is energized and the plunger spring (
26) against the elasticity of the plunger (when force is attracted,
A space is formed between the plunger tip and the valve seat (9), the pressure in the vicinity of the valve hole is rapidly reduced, and the free end of the reed valve C301 at the plunger tip curves as shown in Figure 3. Fully open and let the fluid flow through the valve hole t as shown by the arrow.
33) Let it flow into the side. The electromagnetic coil (5) has an electrode α0
) is connected to an electronic circuit that generates a periodic intermittent current, e.g., at a low frequency of 10 to 25H2, the plunger (7)
to go back and forth.

上記の断続′rb、流fこよって、電磁コイル(5)の
通電ヲ断つと、スプリング06)の弾力によりプランジ
ャ(7)k左行させる。プランジャの後帰動作により弁
孔附近の圧力が高くなり、自動的lこリードパルプ(3
0)を閉じ、第2図の鎖線に示すようにパルプ(8)ヲ
開いて流体全出口(2巧より吐出させる。上記のリード
バルブ00)があるため、プランジャ(7)の往復動に
よる圧縮率が高められ、したがって吸入力も高められて
、エアが混入される余地はなく、仮りに混入されていて
も圧力の低いエアチャンバー04)に移動するためエア
の排除能力全高めることができる。
When the electromagnetic coil (5) is turned off due to the above-mentioned interruption 'rb' and flow f, the plunger (7) k is moved to the left by the elasticity of the spring 06). The pressure near the valve hole increases due to the backward movement of the plunger, and the reed pulp (3
0) is closed, and the pulp (8) is opened as shown by the chain line in Fig. 2, and the entire fluid is discharged from the outlet (2).Since there is the above-mentioned reed valve 00, the pulp (8) is compressed by the reciprocating movement of the plunger (7). The efficiency is increased, and therefore the suction force is also increased, and there is no room for air to be mixed in, and even if air is mixed in, it will move to the low pressure air chamber 04), so the ability to remove air can be fully increased.

第4図はリードバルブの変形例全示すもので、ビン0υ
のヘッド021全リードバルブ(301の肉厚内に埋込
んで、パルプの湾曲自由度を増加して弁開閉動作全スム
ーズなものにしている。肉厚内に埋没させるには、第4
図のようにビンθυのテーパヘッド0渇の高さより、リ
ードバルブ(至)の肉厚?充分大きなものとすればよい
が、肉厚全第3図のものと同程度にしてテーパヘッド0
2の肉厚内への喰い込みを浅くしてもよい。
Figure 4 shows all the modifications of the reed valve.
The head 021 of the full reed valve (301) is embedded within the wall thickness to increase the degree of freedom in bending the pulp and make the valve opening and closing operation smooth.
As shown in the figure, is the wall thickness of the reed valve (to) greater than the height of the taper head of the bottle θυ? It can be made large enough, but the total thickness should be the same as the one in Figure 3 so that the taper head is 0.
The biting into the wall thickness of No. 2 may be made shallower.

第5図はビン(3])のテーパヘッド0z全リードバル
ブ06)の肉厚内に埋没させると共に、リードバルブ0
6)のバルブシート(9)側に弁孔(331より大きな
半径上に環状リブC37n突出形成させた別の変形例を
示す。
Figure 5 shows that the taper head 0z of the bottle (3]) is buried within the thickness of the entire reed valve 06), and the reed valve 0
6) shows another modification in which an annular rib C37n is formed protruding on the valve seat (9) side on a radius larger than that of the valve hole (331).

この場合は、順方向の洩れを完全に止めることができる
In this case, forward leakage can be completely stopped.

上述のように本発明は、吐出用パルプとは別にプランジ
ャ先端にリードバルブを設けて、電磁コイルが付勢され
ないときにはバルブシートに密接して順方向の洩れ止め
を果し、電磁コイルの付勢によりプランジャが吸引され
たときには、吸入作用で弁孔?開くよう−lこしたもの
であるから、四スボリュームを小さくして圧縮率を高く
することが    、)できる。またリードバルブによ
り洩れ止めとさもに吸入力、エア排除能力を高めたので
、断続電流によりプランジャの往復動周期?コントロー
ルすすることにより、流量が極めて小さな範囲の場合l
こも吐出fRk正確に保持することができる。
As described above, the present invention provides a reed valve at the tip of the plunger separately from the discharge pulp, and when the electromagnetic coil is not energized, it comes in close contact with the valve seat to prevent leakage in the forward direction. When the plunger is suctioned, the suction action causes the valve hole to open? Since it is compressed so that it opens, it is possible to reduce the volume and increase the compression ratio. In addition, the reed valve not only prevents leaks but also increases the suction force and air removal ability, so the intermittent current reduces the reciprocating cycle of the plunger. By controlling the flow rate, it is possible to
The small discharge fRk can be accurately maintained.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は不発明往復型電磁ポンプのVJ?面図、第2図
はパルプ部分の拡大断面図、第3図は第2図の作動状態
の1υ「面図、第4図および第5図は変形例の拡大14
ツ「面図である。 (11?ヨーク       (2):アウターヨーク
(3):エンドヨーク    (4):インナーヨーク
(5):電磁コイル     (6)ニスリーブ(7)
ニブランジャ     (8):バルブ(9):パルプ
シート    (23j :止めねじ(2al :ピン
穴       (30)(ト):リードバルブ01)
:ピン        (到:弁孔(341f37):
環状リブ 東北三國工業株式会社 代理人  芦 1)直 衛 手続補正書(自発) 昭和58年6 月χ 日 特許庁長官殿 (特許庁審査官         殿)1事件の表示 昭和58年 特 許 願第 73885  号2 発明
の名称 往復型電磁ポンプ 東北三−工梨株式会社 7、補正の内容 (1)明細書中第4頁1〜2行rul!およびaりは吸
入側および吐出側のキャップ」をru]lけ吸入側キャ
ップ0旧こ設けた流体人口、(2つけ吐出側キャップ←
りに設けた流体出口」と訂正する。 (2)同書第6頁1行[入口(2+) Jを「入口圓」
と訂正する。 (3)図面第1図中、別紙第1図写の赤字で示すようt
こ符号8の引出線を入れ、符号2工を加入する。 以上 ・)
Figure 1 shows the uninvented reciprocating electromagnetic pump VJ? 2 is an enlarged cross-sectional view of the pulp part, FIG. 3 is a 1υ side view of the operating state of FIG. 2, and FIGS.
(11) Yoke (2): Outer yoke (3): End yoke (4): Inner yoke (5): Electromagnetic coil (6) Nice sleeve (7)
Nibranger (8): Valve (9): Pulp seat (23j: Set screw (2al: Pin hole (30) (G): Reed valve 01)
: Pin (to: Valve hole (341f37):
Annular Rib Tohoku Mikuni Kogyo Co., Ltd. Agent Ashi 1) Direct Defense Procedure Amendment (Voluntary) June 1982 To the Commissioner of the Patent Office (To the Patent Office Examiner) 1 Case Indication 1988 Patent Application No. 73885 No. 2 Name of the invention Reciprocating electromagnetic pump Tohoku Sankuri Co., Ltd. 7 Contents of amendment (1) Page 4 lines 1-2 rul of the specification! And a, the suction side cap and the discharge side cap are attached.
"Fluid outlet provided at the (2) Same book, page 6, line 1 [entrance (2+) J is “entrance circle”
I am corrected. (3) As shown in red in Figure 1 of the drawing and in the attached copy of Figure 1, t
Insert the leader line numbered 8 and add number 2. that's all·)

Claims (1)

【特許請求の範囲】 工、電磁コイル(5)によりプランジャ(7)全往復動
させて流体を供給する電磁ポンプにおいて、プランジャ
先端に吸入時に開くリードバルブ(301(3[i)を
設けたこと全特徴とする往復型電磁ポンプ。 2、 リードバルブ001 (3Glは、プランジャ先
端に嵌着したビン(31)によって保持されている特許
請求の範囲第1項記載の往復型電磁ポンプ。 3、 リードバルブ(36)は、バルブシート側に現状
リブ07)を有している特許請求の範囲第1項または第
2項記載の往復型電磁ポンプ。
[Claims] In an electromagnetic pump that supplies fluid by fully reciprocating a plunger (7) using an electromagnetic coil (5), a reed valve (301 (3[i)] is provided at the tip of the plunger that opens during suction). A reciprocating electromagnetic pump having all the characteristics. 2. The reciprocating electromagnetic pump according to claim 1, wherein reed valve 001 (3Gl is held by a bottle (31) fitted to the tip of the plunger. 3. Reed The reciprocating electromagnetic pump according to claim 1 or 2, wherein the valve (36) has a rib 07) on the valve seat side.
JP7388583A 1983-04-28 1983-04-28 Reciprocating type solenoid pump Pending JPS59200077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7388583A JPS59200077A (en) 1983-04-28 1983-04-28 Reciprocating type solenoid pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7388583A JPS59200077A (en) 1983-04-28 1983-04-28 Reciprocating type solenoid pump

Publications (1)

Publication Number Publication Date
JPS59200077A true JPS59200077A (en) 1984-11-13

Family

ID=13531107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7388583A Pending JPS59200077A (en) 1983-04-28 1983-04-28 Reciprocating type solenoid pump

Country Status (1)

Country Link
JP (1) JPS59200077A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186774U (en) * 1985-05-14 1986-11-21

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549628U (en) * 1977-06-22 1979-01-22
JPS5641170B2 (en) * 1976-03-26 1981-09-26
JPS5654279B2 (en) * 1973-05-18 1981-12-24

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654279B2 (en) * 1973-05-18 1981-12-24
JPS5641170B2 (en) * 1976-03-26 1981-09-26
JPS549628U (en) * 1977-06-22 1979-01-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186774U (en) * 1985-05-14 1986-11-21

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