JPH0250078U - - Google Patents
Info
- Publication number
- JPH0250078U JPH0250078U JP12568388U JP12568388U JPH0250078U JP H0250078 U JPH0250078 U JP H0250078U JP 12568388 U JP12568388 U JP 12568388U JP 12568388 U JP12568388 U JP 12568388U JP H0250078 U JPH0250078 U JP H0250078U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- double
- rolling bearing
- pump chamber
- center line
- 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
Links
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Description
【図面の簡単な説明】
図面はこの考案の実施例に関し、第１図は駆動
軸に対して直角方向の複動ポンプの垂直断面図、
第２図は第１図の―線に沿う断面図、第３図
は第１図の―線に沿う断面図、第４図は蓋の
斜視図、第５図はボールベアリングの斜視図、第
６図はシリンダパイプの斜視図、第７図及び第８
図はピストンの縦断面図及び斜視図である。
１２…吸入口、１４…吐出口、１６…駆動部空
間、１８…吸入通路、２０…吐出通路、２１…湾
曲壁、３０…駆動軸、３４…円形部材、３８…ボ
ールベアリング（ころがり軸受）、４２…外輪、
４４…摺動平面、５４…ピストン、５６…弾性ピ
ストンパツキン、５８…剛性補強体、５９…ポン
プ室、６０…連結部材、６４…ピストンロツド部
、７０…ピストンロツド空間。[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings relate to an embodiment of the invention, and FIG. 1 is a vertical sectional view of a double-acting pump in the direction perpendicular to the drive shaft;
Figure 2 is a sectional view taken along line - in Figure 1, Figure 3 is a sectional view taken along line - in Figure 1, Figure 4 is a perspective view of the lid, Figure 5 is a perspective view of the ball bearing, Figure 6 is a perspective view of the cylinder pipe, Figures 7 and 8
The figures are a longitudinal sectional view and a perspective view of the piston. 12... Suction port, 14... Discharge port, 16... Drive section space, 18... Suction passage, 20... Discharge passage, 21... Curved wall, 30... Drive shaft, 34... Circular member, 38... Ball bearing (rolling bearing), 42...outer ring,
44...Sliding plane, 54...Piston, 56...Elastic piston packing, 58...Rigid reinforcement body, 59...Pump chamber, 60...Connection member, 64...Piston rod portion, 70...Piston rod space.
補正 昭６３．１０．２５
実用新案登録請求の範囲を次のように補正する
。Amendment October 25, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 駆動軸３０に対して偏心して設けられ前記
駆動軸３０と一体的に回転する円形部材３４と、
この円形部材３４に装着されるころがり軸受３８
と、共通の吸入口１２及び吐出口１４へ接続され
中心線Ａを同じくするように前記ころがり軸受３
８の両側にそれぞれ配設される２個のポンプ室５
９と、各ポンプ室５９に配設されて前記ポンプ室
５９の周壁を摺動するピストン５４と、前記中心
線Ａに対して直角方向へは前記ころがり軸受３８
に対して相対移動自在にまた前記中心線Ａの方向
へは前記ころがり軸受３８の外輪４２に当接する
ように前記外輪４２を内側に受け両側において前
記ピストン５４へそれぞれ連結している連結部材
６０とを有してなることを特徴とする複動ポンプ
。
(2) 前記ピストン５４は、前記ポンプ室５９の
周壁を摺動する弾性ピストンパツキン５６を含み
、剛性補強体５８が前記弾性ピストンパツキン５
６内に埋め込まれていることを特徴とする請求項
１記載の複動ポンプ。
(3) 前記連結部材６０と前記外輪４２とは、前
記ポンプ室５９の前記中心線Ａに対して直角方向
へ拡がる摺動平面４４により互いに接触している
ことを特徴とする請求項１又は２記載の複動ポン
プ。
(4) ピストンロツド部６４が、前記ポンプ室５
９の前記中心線Ａ方向へ延びて、前記ピストン５
４と前記連結部材６０とを連結し、シール４６が
、前記連結部材６０を収容する駆動部空間１６と
、前記ピストン５４の背部側のピストンロツド空
間７０とを仕切るとともに、前記ピストンロツド
部６４を摺動され、前記ピストンロツド空間７０
は前記吸入口１２へ連通していることを特徴とす
る請求項１ないし３のいずれかに記載の複動ポン
プ。
(5) 吸入通路１８及び吐出通路２０がそれぞれ
前記吸入口１２及び前記吐出口１４を前記ポンプ
室５９へ接続し、外側へ凸の２個の湾曲壁２１が
、互いに対峙して配設され、内外において前記駆
動部空間１６と前記吸入通路１８及び前記吐出通
路２０仕切つていることを特徴とする請求項４記
載の複動ポンプ。[Claims for Utility Model Registration] (1) A circular member 34 that is provided eccentrically with respect to the drive shaft 30 and rotates integrally with the drive shaft 30;
A rolling bearing 38 attached to this circular member 34
The rolling bearing 3 is connected to a common suction port 12 and a common discharge port 14 so that the center line A is the same.
Two pump chambers 5 arranged on both sides of 8
9, a piston 54 disposed in each pump chamber 59 and sliding on the peripheral wall of the pump chamber 59, and a rolling bearing 38 in a direction perpendicular to the center line A.
a connecting member 60 which receives the outer ring 42 of the rolling bearing 38 inside and is connected to the piston 54 on both sides so as to be movable relative to the center line A and in contact with the outer ring 42 of the rolling bearing 38; A double-acting pump comprising: (2) The piston 54 includes an elastic piston packing 56 that slides on the peripheral wall of the pump chamber 59, and the rigid reinforcing body 58 is attached to the elastic piston packing 5.
A double-acting pump according to claim 1, characterized in that it is embedded in a double-acting pump. (3) The connecting member 60 and the outer ring 42 are in contact with each other through a sliding plane 44 that extends in a direction perpendicular to the center line A of the pump chamber 59. Or the double-acting pump described in 2. (4) The piston rod portion 64 is connected to the pump chamber 5.
The piston 5 extends in the direction of the center line A of the piston 9.
4 and the connecting member 60, a seal 46 partitions the drive section space 16 that accommodates the connecting member 60 and the piston rod space 70 on the back side of the piston 54, and allows the piston rod section 64 to slide. and the piston rod space 70
The double-acting pump according to any one of claims 1 to 3, characterized in that the inlet is in communication with the suction port (12). (5) a suction passage 18 and a discharge passage 20 respectively connect the suction port 12 and the discharge port 14 to the pump chamber 59, and two outwardly convex curved walls 21 are disposed facing each other; 5. The double-acting pump according to claim 4, wherein the drive section space 16, the suction passage 18, and the discharge passage 20 are partitioned off inside and outside.
Claims (1)
駆動軸３０と一体的に回転する円形部材３４と、
この円形部材３４に装着されるころがり軸受３８
と、共通の吸入口１２及び吐出口１４へ接続され
中心線Ａを同じくするように前記ころがり軸受３
８の両側にそれぞれ配設される２個のポンプ室５
９と、各ポンプ室５９に配設されて前記ポンプ室
５９の周壁を摺動するピストン５４と、前記中心
線Ａに対して直角方向へは前記ころがり軸受３８
に対して相対移動自在にまた前記中心線Ａの方向
へは前記ころがり軸受３８の外輪４２に当接する
ように前記外輪４２を内側に受け両側において前
記ピストン５４へそれぞれ連結している連結部材
６０とを有してなることを特徴とする複動ポンプ
。 (2) 前記ピストン５４は、前記ポンプ室５９の
周壁を摺動する弾性ピストンパツキン５６を含み
、剛性補強体５８が前記弾性ピストンパツキン５
６内に埋め込まれていることを特徴とする請求項
１記載の複動ポンプ。 (3) 前記連結部材６０と前記外輪４２とは、前
記ポンプ室５９の前記中心線Ａに対して直角方向
へ広がる摺動平面４４により互いに接触している
ことを特徴とする請求項１又は２記載の複動ポン
プ。 (4) ピストンロツド部６４が、前記ポンプ室５
９の前記中心線Ａ方向へ延びて、前記ピストン５
４と前記連結部材６０とを連結し、シール４６が
、前記連結部材６０を収容する駆動部空間１６と
、前記ピストン５４の背部側のピストンロツド空
間７０とを仕切るとともに、前記ピストンロツド
部６４を摺動され、前記ピストンロツド空間７０
は前記吸入口１２へ連通していることを特徴とす
る請求項１ないし３のいずれかに記載の複動ポン
プ。 (5) 吸入通路１８及び吐出通路２０がそれぞれ
前記吸入口１２及び前記吐出口１４を前記ポンプ
室５９へ接続し、外側へ凸の２個の湾曲壁２１が
、互いに対峙して配設され、内外において前記駆
動部空間１６と前記吸入通路１８及び前記吐出通
路２０仕切つていることを特徴とする請求項４記
載の複動ポンプ。[Claims for Utility Model Registration] (1) A circular member 34 that is provided eccentrically with respect to the drive shaft 30 and rotates integrally with the drive shaft 30;
A rolling bearing 38 attached to this circular member 34
The rolling bearing 3 is connected to a common suction port 12 and a common discharge port 14 so that the center line A is the same.
Two pump chambers 5 arranged on both sides of 8
9, a piston 54 disposed in each pump chamber 59 and sliding on the peripheral wall of the pump chamber 59, and a rolling bearing 38 in a direction perpendicular to the center line A.
a connecting member 60 which receives the outer ring 42 of the rolling bearing 38 inside and is connected to the piston 54 on both sides so as to be movable relative to the center line A and in contact with the outer ring 42 of the rolling bearing 38; A double-acting pump comprising: (2) The piston 54 includes an elastic piston packing 56 that slides on the peripheral wall of the pump chamber 59, and the rigid reinforcing body 58 is attached to the elastic piston packing 5.
A double-acting pump according to claim 1, characterized in that it is embedded in a double-acting pump. (3) The connecting member 60 and the outer ring 42 are in contact with each other through a sliding plane 44 that extends in a direction perpendicular to the center line A of the pump chamber 59. Double acting pump as described. (4) The piston rod portion 64 is connected to the pump chamber 5.
The piston 5 extends in the direction of the center line A of the piston 9.
4 and the connecting member 60, a seal 46 partitions the drive section space 16 that accommodates the connecting member 60 and the piston rod space 70 on the back side of the piston 54, and allows the piston rod section 64 to slide. and the piston rod space 70
The double-acting pump according to any one of claims 1 to 3, characterized in that the inlet is in communication with the suction port (12). (5) a suction passage 18 and a discharge passage 20 respectively connect the suction port 12 and the discharge port 14 to the pump chamber 59, and two outwardly convex curved walls 21 are disposed facing each other; 5. The double-acting pump according to claim 4, wherein the drive section space 16, the suction passage 18, and the discharge passage 20 are partitioned off inside and outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12568388U JPH0250078U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12568388U JPH0250078U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250078U true JPH0250078U (en) | 1990-04-06 |
Family
ID=31376504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12568388U Pending JPH0250078U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007309216A (en) * | 2006-05-18 | 2007-11-29 | Maruyama Mfg Co Ltd | Reciprocating pump device |
| JP2010025019A (en) * | 2008-07-22 | 2010-02-04 | Maruyama Mfg Co Ltd | Reciprocating pump device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501041U (en) * | 1973-05-08 | 1975-01-08 | ||
| JPS59136585A (en) * | 1982-09-11 | 1984-08-06 | エ−リツヒ・ベツカ− | Pump with piston and sliding seal |
-
1988
- 1988-09-28 JP JP12568388U patent/JPH0250078U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501041U (en) * | 1973-05-08 | 1975-01-08 | ||
| JPS59136585A (en) * | 1982-09-11 | 1984-08-06 | エ−リツヒ・ベツカ− | Pump with piston and sliding seal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007309216A (en) * | 2006-05-18 | 2007-11-29 | Maruyama Mfg Co Ltd | Reciprocating pump device |
| JP4699943B2 (en) * | 2006-05-18 | 2011-06-15 | 株式会社丸山製作所 | Reciprocating pump device |
| JP2010025019A (en) * | 2008-07-22 | 2010-02-04 | Maruyama Mfg Co Ltd | Reciprocating pump device |
| JP4597228B2 (en) * | 2008-07-22 | 2010-12-15 | 株式会社丸山製作所 | Reciprocating pump device |
| TWI475158B (en) * | 2008-07-22 | 2015-03-01 | Maruyama Mfg Co | Reciprocating pump |
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