JPH0287976U - - Google Patents
Info
- Publication number
- JPH0287976U JPH0287976U JP16882588U JP16882588U JPH0287976U JP H0287976 U JPH0287976 U JP H0287976U JP 16882588 U JP16882588 U JP 16882588U JP 16882588 U JP16882588 U JP 16882588U JP H0287976 U JPH0287976 U JP H0287976U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- casing
- reciprocating
- plunger
- drive unit
- 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
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の定量ポンプの一実施例を示す
縦断面図、第２図は同上実施例および従来例の定
量ポンプにおいて各部温度を測定した試験状態を
説明する図、第３図および第４図は同上実施例お
よび従来例の定量ポンプにおいて、それぞれ吐出
流量が４５／ｈおよび８／ｈの時の各部温度
を示すグラフ、第５図は本考案の定量ポンプの他
の実施例を示す縦断面図、第６図は従来例の定量
ポンプを示す縦断面図である。
１……プランジヤー、２……ダイアフラム、８
……ポンプヘツド、１０……往復動ポンプ部、１
２……駆動部、１３……ケーシング、１４……ポ
ンプボデイー、１５……ポンプ取扱液、１６……
冷媒、２６，３０，３１……熱遮蔽ジヤケツト室
。
Fig. 1 is a vertical sectional view showing an embodiment of the metering pump of the present invention, Fig. 2 is a diagram explaining the test conditions in which the temperature of each part of the above embodiment and the conventional metering pump was measured, and Figs. Figure 4 is a graph showing the temperature of each part when the discharge flow rate is 45/h and 8/h, respectively, in the above embodiment and the conventional metering pump, and Figure 5 shows another embodiment of the metering pump of the present invention. FIG. 6 is a longitudinal sectional view showing a conventional metering pump. 1...Plunger, 2...Diaphragm, 8
... Pump head, 10 ... Reciprocating pump section, 1
2... Drive unit, 13... Casing, 14... Pump body, 15... Pump handling liquid, 16...
Refrigerant, 26, 30, 31... heat shield jacket chamber.
Claims (1)
ンジヤーにて直接またはダイアフラムを介してポ
ンプ取扱液を圧送する往復動ポンプ部とを、この
往復動ポンプ部のポンプボデイーと前記駆動部の
ケーシングとを連設することによつて一体的に結
合した定量ポンプにおいて、 前記ポンプボデイーのポンプヘツドと前記ケー
シング間に生じる熱伝導の最短距離の部分を遮ぎ
つて冷媒または熱媒を流すように、前記ポンプヘ
ツドと前記ケーシングとの間に前記プランジヤー
の軸線をほぼ周回する熱遮蔽ジヤケツト室を設け
たことを特徴とする定量ポンプ。[Scope of Claim for Utility Model Registration] The pump body of the reciprocating pump unit includes a drive unit that converts rotational motion into reciprocating motion, and a reciprocating pump unit that pumps liquid handled by the pump either directly by a plunger or through a diaphragm. and a casing of the drive unit, which are integrally connected by consecutively connecting the pump head and the casing of the pump body. A metering pump characterized in that a heat-shielding jacket chamber is provided between the pump head and the casing so as to flow approximately around the axis of the plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16882588U JPH0287976U (en) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16882588U JPH0287976U (en) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0287976U true JPH0287976U (en) | 1990-07-12 |
Family
ID=31458345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16882588U Pending JPH0287976U (en) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0287976U (en) |
-
1988
- 1988-12-27 JP JP16882588U patent/JPH0287976U/ja active Pending
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