CN2416245Y - High-pressure sealing plunger pump - Google Patents
High-pressure sealing plunger pump Download PDFInfo
- Publication number
- CN2416245Y CN2416245Y CN 00219485 CN00219485U CN2416245Y CN 2416245 Y CN2416245 Y CN 2416245Y CN 00219485 CN00219485 CN 00219485 CN 00219485 U CN00219485 U CN 00219485U CN 2416245 Y CN2416245 Y CN 2416245Y
- Authority
- CN
- China
- Prior art keywords
- sealing seat
- sealing
- plunger
- hole
- oil
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a high-pressure sealing plunger pump, which comprises a pump body which is connected and fixed and a crank case. The pump body is provided with a sealing seat hole which is provided with a sealing seat inside. The crank case is provided with a plunger hole inside, and the plunger hole is provided with an oil seal inside. The plunger connected to a crank shaft connecting rod goes through the oil seal and the sealing seat and extends into the pump body. A supporting ring and a V-shaped water seal are arranged between the left end of the sealing seat and the sealing seat hole, and the right end of the sealing seat extends into the plunger hole. The sealing seat, the inner circle of the sealing seat hole, the inner circle of the plunger hole, and the outer circle of the plunger are all provided with O-shaped sealing rings. The inner circle at the right end of the sealing seat is provided with a circle of water storage or oil storage cavity. The pump can be adapted to high pressure and can continuously work for a long time, particularly suitable for matching with a spark-erosion drilling machine to be used.
Description
The utility model relates to a kind of plunger pump.
At present, spark-erosion perforating machine manufacturer generally all requires the pressure of supporting saponification liquor plunger pump at 6--9MPa both at home and abroad, and under high like this pressure, traditional plunger pump design of Sealing Structure often can not satisfy sealability, the sealing life requirement of spark-erosion perforating machine to pump.Therefore, need a kind of high pressure sealing plunger pump that can adapt to high pressure, energy long time continuous working of specialized designs.
The purpose of this utility model is: a kind of high pressure sealing plunger pump is provided, and this pump can adapt to high pressure, energy long time continuous working, is particularly suitable for supporting use on spark-erosion perforating machine.
The technical solution of the utility model is: a kind of high pressure sealing plunger pump, comprise the pump housing and the crankcase that are connected and fixed, the pump housing is provided with the sealing seat hole, sealing seat is provided with sealing seat in the hole, be provided with plunger hole in the crankcase, be provided with oil sealing in the plunger hole, be connected that plunger on the crankshaft-link rod passes oil sealing and sealing seat stretches in the pump housing, be provided with bearing ring and V-type water seal between the left end of described sealing seat and the sealing seat hole, the right-hand member of sealing seat stretches in the plunger hole, the interior circle in described sealing seat and sealing seat hole, interior circle with plunger hole, be equipped with the O RunddichtringO with the cylindrical of plunger, the interior circle of described sealing seat right-hand member is provided with circle water storage (oil) chamber.
The further technological scheme of the utility model is: a kind of high pressure sealing plunger pump, comprise the pump housing and the crankcase that are connected and fixed, the pump housing is provided with the sealing seat hole, sealing seat is provided with sealing seat in the hole, be provided with plunger hole in the crankcase, be provided with oil sealing in the plunger hole, be connected that plunger on the crankshaft-link rod passes oil sealing and sealing seat stretches in the pump housing, be provided with bearing ring and V-type water seal between the left end of described sealing seat and the sealing seat hole, the right-hand member of sealing seat stretches in the plunger hole, the interior circle in described sealing seat and sealing seat hole, interior circle with plunger hole, be equipped with the O RunddichtringO with the cylindrical of plunger, the interior circle of described sealing seat right-hand member is provided with circle water storage (oil) chamber; Described oil sealing is in series with three, and fixes with the plunger hole interference fit, and left oil sealing forward is installed, and middle oil sealing and right oil sealing are oppositely installed.
The more detailed technological scheme of the utility model is: a kind of high pressure sealing plunger pump, comprise the pump housing and the crankcase that are connected and fixed, the pump housing is provided with the sealing seat hole, sealing seat is provided with sealing seat in the hole, be provided with plunger hole in the crankcase, be provided with oil sealing in the plunger hole, be connected that plunger on the crankshaft-link rod passes oil sealing and sealing seat stretches in the pump housing, be provided with bearing ring and V-type water seal between the left end of described sealing seat and the sealing seat hole, the right-hand member of sealing seat stretches in the plunger hole, the interior circle in described sealing seat and sealing seat hole, interior circle with plunger hole, be equipped with the O RunddichtringO with the cylindrical of plunger, the interior circle of described sealing seat right-hand member is provided with circle water storage (oil) chamber; Described oil sealing is in series with three, and fixes with the plunger hole interference fit, and left oil sealing is oppositely installed, and middle oil sealing and right oil sealing forward are installed; The cylindrical of described sealing seat right part is provided with a step, and the end face of step and plunger hole offsets.
The utility model has the advantages that:
1. the left side of the present utility model is provided with bearing ring and the interior high pressure water of the pump housing is sealed in the V-type water seal, the right is three road oil sealings, wherein one oil sealing in the left side oppositely installed, to prevent sealing in crankcase from the low-pressure water that water seal is leaked, the twice oil sealing forward on the right is installed, and prevents that the lubricating oil leakage in the crankcase from coming out.
2. circle is provided with circle water storage (oil) chamber in the sealing seat of the present utility model, and water and machine oil from water seal and crankcase leak out after mixing, have certain lubrication to water seal and oil sealing water storage (oil) chamber in, reduce the rate of wear that seals.
3. the O RunddichtringO on the sealing seat cylindrical of the present utility model can prevent water in the pump and oil leakage outside pump, and the O RunddichtringO on the sealing seat endoporus is to prevent that plunger and sealing seat endoporus from hitting, and avoids plunger surface to abrade and causes the water seal rapid wearing.
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present utility model;
Wherein: 1 pump housing; 2 crankcases; 3 sealing seat holes; 4 sealing seats; 5 plunger holes; 6 oil sealings; 601 left oil sealings; Oil sealing in 602; 603 right oil sealings; 7 crankshaft-link rods; 8 plungers; 9 bearing rings; The water seal of 10V type; 110 RunddichtringOs; 12 water storages (oil) chamber; 13 steps.
Embodiment: as shown in the figure, a kind of high pressure sealing plunger pump, comprise the pump housing [1] and the crankcase [2] that are connected and fixed, the pump housing [1] is provided with sealing seat hole [3], be provided with sealing seat [4] in the sealing seat hole [3], be provided with plunger hole [5] in the crankcase [2], be provided with oil sealing [6] in the plunger hole [5], be connected that plunger [8] on the crankshaft-link rod [7] passes oil sealing [6] and sealing seat [4] stretches in the pump housing [1], be provided with bearing ring [9] and V-type water seal [10] between the left end of described sealing seat [4] and sealing seat hole [3], the right-hand member of sealing seat [3] stretches in the plunger hole [5], the interior circle in described sealing seat [3] and sealing seat hole [3], interior circle with plunger hole [5], be equipped with O RunddichtringO [11] with the cylindrical of plunger [8], the interior circle of described sealing seat [4] right-hand member is provided with circle water storage (oil) chamber [12]; Described oil sealing [6] is in series with three, and fixes with plunger hole [5] interference fit, and left oil sealing [601] is oppositely installed, and middle oil sealing [602] and right oil sealing [603] forward are installed; The cylindrical of described sealing seat [4] right part is provided with a step [13], and step [13] offsets with the end face of plunger hole [5].
The left side of the present utility model is provided with bearing ring [9] and the interior high pressure water of the pump housing [1] is sealed in V-type water seal [10], the right is three road oil sealings [6], wherein one oil sealing in the left side [6] oppositely installed, to prevent sealing in crankcase [2] from the low-pressure water that water seal [10] is leaked, twice oil sealing [6] forward on the right is installed, and prevents that the lubricating oil leakage in the crankcase [2] from coming out; Circle is provided with circle water storage (oil) chamber [12] in the sealing seat of the present utility model [4], the water and the machine oil that leak out from water seal [10] and crankcase [2], after in water storage (oil) chamber [12], mixing, water seal [10] and oil sealing [6] are had certain lubrication, reduce the rate of wear of sealing; O RunddichtringO [11] on sealing seat of the present utility model [4] cylindrical can prevent that water in the pump and oil leakage are outside pump, O RunddichtringO [11] on sealing seat [4] endoporus is to prevent that plunger [8] and sealing seat [4] endoporus from hitting, and avoids plunger [8] galled spots and cause water seal [10] rapid wearing.
Claims (3)
1. high pressure sealing plunger pump, comprise the pump housing [1] and the crankcase [2] that are connected and fixed, the pump housing [1] is provided with sealing seat hole [3], be provided with sealing seat [4] in the sealing seat hole [3], be provided with plunger hole [5] in the crankcase [2], be provided with oil sealing [6] in the plunger hole [5], be connected that plunger [8] on the crankshaft-link rod [7] passes oil sealing [6] and sealing seat [4] stretches in the pump housing [1], it is characterized in that: be provided with bearing ring [9] and V-type water seal [10] between the left end of described sealing seat [4] and sealing seat hole [3], the right-hand member of sealing seat [3] stretches in the plunger hole [5], the interior circle in described sealing seat [3] and sealing seat hole [3], interior circle with plunger hole [5], be equipped with O RunddichtringO [11] with the cylindrical of plunger [8], the interior circle of described sealing seat [4] right-hand member is provided with circle water storage (oil) chamber [12].
2. high pressure sealing plunger pump according to claim 1 is characterized in that: described oil sealing [6] is in series with three, and fixes with plunger hole [5] interference fit, and left oil sealing [601] is oppositely installed, and middle oil sealing [602] and right oil sealing [603] forward are installed.
3. high pressure sealing plunger pump according to claim 1 is characterized in that: the cylindrical of described sealing seat [4] right part is provided with a step [13], and step [13] offsets with the end face of plunger hole [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219485 CN2416245Y (en) | 2000-02-25 | 2000-02-25 | High-pressure sealing plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219485 CN2416245Y (en) | 2000-02-25 | 2000-02-25 | High-pressure sealing plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416245Y true CN2416245Y (en) | 2001-01-24 |
Family
ID=33584670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00219485 Expired - Fee Related CN2416245Y (en) | 2000-02-25 | 2000-02-25 | High-pressure sealing plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416245Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612958A (en) * | 2013-09-30 | 2015-05-13 | 莱乌科股份公司 | A pump |
| CN106640574A (en) * | 2016-12-14 | 2017-05-10 | 浙江科马动力机械有限公司 | Oil-water mixing blocking mechanism of small-sized electric cleaning machine |
| CN111425368A (en) * | 2018-12-20 | 2020-07-17 | 莱乌科股份公司 | Pumping device |
-
2000
- 2000-02-25 CN CN 00219485 patent/CN2416245Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612958A (en) * | 2013-09-30 | 2015-05-13 | 莱乌科股份公司 | A pump |
| US9677548B2 (en) | 2013-09-30 | 2017-06-13 | Leuco S.P.A. | Pump |
| CN104612958B (en) * | 2013-09-30 | 2017-12-26 | 莱乌科股份公司 | Pump |
| CN106640574A (en) * | 2016-12-14 | 2017-05-10 | 浙江科马动力机械有限公司 | Oil-water mixing blocking mechanism of small-sized electric cleaning machine |
| CN111425368A (en) * | 2018-12-20 | 2020-07-17 | 莱乌科股份公司 | Pumping device |
| CN111425368B (en) * | 2018-12-20 | 2024-04-05 | 莱乌科股份公司 | Pumping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |