JPH0197075U - - Google Patents
Info
- Publication number
- JPH0197075U JPH0197075U JP19267687U JP19267687U JPH0197075U JP H0197075 U JPH0197075 U JP H0197075U JP 19267687 U JP19267687 U JP 19267687U JP 19267687 U JP19267687 U JP 19267687U JP H0197075 U JPH0197075 U JP H0197075U
- Authority
- JP
- Japan
- Prior art keywords
- distal end
- proximal
- distal
- side member
- centering
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
図面はこの考案の実施例に関し、第1図はプラ
ンジヤの先端部の詳細な縦断面図、第2図は心出
し部材の拡大縦断面図、第3図は第2図の―
線に沿う断面図、第4図はプランジヤポンプの全
体の概略的な縦断面図である。
10……プランジヤポンプ、15……プランジ
ヤ、16……基端側部材、36……先端側部材、
38……心出し部材、39……フランジ部、40
,42……凹所、44……締め付けボルト、46
……頭部、48……軸部、50……パツキン、5
2……環状凸部。
The drawings relate to an embodiment of this invention; FIG. 1 is a detailed longitudinal sectional view of the tip of the plunger, FIG. 2 is an enlarged longitudinal sectional view of the centering member, and FIG. 3 is a cross-sectional view of the centering member.
FIG. 4 is a schematic longitudinal sectional view of the entire plunger pump. 10...Plunger pump, 15...Plunger, 16...Proximal side member, 36...Distal side member,
38... Centering member, 39... Flange portion, 40
, 42... recess, 44... tightening bolt, 46
...Head, 48...Shaft, 50...Putskin, 5
2...Annular convex portion.
Claims (1)
記基端側部材16に対して同軸的に配設され、心
出し部材38が、その一方及び他方の外周部分に
おいて前記基端側部材16の先端部及び前記先端
側部材36の基端部のそれぞれの凹所40,42
に嵌合し、締め付けボルト44が、その軸部48
において前記先端側部材36及び前記心出し部材
38を貫通し、かつ前記軸部48の先端部におい
て前記基端側部材16に螺合して前記先端側部材
36を前記基端側部材16に接合し、パツキン5
0が前記締め付けボルト44の頭部46と前記先
端側部材36の先端面との間に介在しているプラ
ンジヤポンプ10のプランジヤ15において、前
記心出し部材38は、前記基端側部材16と前記
先端側部材36との接合面に介在するフランジ部
39を一体的にもち、このフランジ部39の両端
面には複数個の環状凸部52が心出し部材38の
中心線に対してほぼ同心的に形成され、これら環
状凸部52は、前記締め付けボルト44による前
記基端側部材16と前記先端側部材36との締め
付けにより変形して前記基端側部材16及び前記
先端側部材36の接合面に密着していることを特
徴とするプランジヤポンプのプランジヤ。 A distal side member 36 is disposed on the distal side of the proximal side member 16 coaxially with respect to the proximal side member 16, and a centering member 38 is disposed on the proximal side member 16 at one and the other outer peripheral portion thereof. recesses 40 and 42 in the distal end of the distal end and the proximal end of the distal end member 36, respectively.
, and the tightening bolt 44 is inserted into its shaft portion 48.
It passes through the distal side member 36 and the centering member 38 and is screwed into the proximal side member 16 at the distal end of the shaft portion 48 to join the distal side member 36 to the proximal side member 16. Shi, Patsukin 5
0 is interposed between the head 46 of the tightening bolt 44 and the distal end surface of the distal end member 36, the centering member 38 is interposed between the proximal end member 16 and the distal end surface of the distal end member 36. It has an integral flange portion 39 interposed at the joint surface with the distal end member 36, and a plurality of annular convex portions 52 are provided on both end surfaces of the flange portion 39 approximately concentrically with respect to the center line of the centering member 38. These annular convex portions 52 are deformed by tightening of the proximal end member 16 and the distal end member 36 by the tightening bolt 44, and the annular convex portions 52 deform to form a joint surface between the proximal end member 16 and the distal end member 36. A plunger of a plunger pump characterized by being in close contact with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19267687U JPH0429093Y2 (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19267687U JPH0429093Y2 (en) | 1987-12-21 | 1987-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0197075U true JPH0197075U (en) | 1989-06-28 |
JPH0429093Y2 JPH0429093Y2 (en) | 1992-07-15 |
Family
ID=31483518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19267687U Expired JPH0429093Y2 (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0429093Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011098450A (en) * | 2009-11-04 | 2011-05-19 | Toshiba Tec Corp | Form sheet, home delivery service system, and portable printer |
-
1987
- 1987-12-21 JP JP19267687U patent/JPH0429093Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011098450A (en) * | 2009-11-04 | 2011-05-19 | Toshiba Tec Corp | Form sheet, home delivery service system, and portable printer |
Also Published As
Publication number | Publication date |
---|---|
JPH0429093Y2 (en) | 1992-07-15 |