JPH0487976U - - Google Patents
Info
- Publication number
- JPH0487976U JPH0487976U JP40057090U JP40057090U JPH0487976U JP H0487976 U JPH0487976 U JP H0487976U JP 40057090 U JP40057090 U JP 40057090U JP 40057090 U JP40057090 U JP 40057090U JP H0487976 U JPH0487976 U JP H0487976U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- casing
- reciprocating
- plunger
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Tires In General (AREA)
- 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 cross-sectional view showing an embodiment of the metering pump of the present invention, FIG. 2 is a diagram illustrating test conditions in which temperatures were measured at various parts of the metering pump of the same embodiment and the conventional example, and FIG. 3 and FIG. 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] 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 pump body of the reciprocating pump unit. 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 |
|---|---|---|---|
| JP40057090U JPH076392Y2 (en) | 1990-12-14 | 1990-12-14 | Tire stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40057090U JPH076392Y2 (en) | 1990-12-14 | 1990-12-14 | Tire stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0487976U true JPH0487976U (en) | 1992-07-30 |
| JPH076392Y2 JPH076392Y2 (en) | 1995-02-15 |
Family
ID=31878792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40057090U Expired - Lifetime JPH076392Y2 (en) | 1990-12-14 | 1990-12-14 | Tire stopper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076392Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025077052A (en) * | 2023-10-30 | 2025-05-19 | 阪上工業株式会社 | Synthetic resin car stopper |
-
1990
- 1990-12-14 JP JP40057090U patent/JPH076392Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025077052A (en) * | 2023-10-30 | 2025-05-19 | 阪上工業株式会社 | Synthetic resin car stopper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH076392Y2 (en) | 1995-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19950822 |