CN201065815Y - Elastic fastener type valve flow distribution plunger pump - Google Patents
Elastic fastener type valve flow distribution plunger pump Download PDFInfo
- Publication number
- CN201065815Y CN201065815Y CNU2007200637903U CN200720063790U CN201065815Y CN 201065815 Y CN201065815 Y CN 201065815Y CN U2007200637903 U CNU2007200637903 U CN U2007200637903U CN 200720063790 U CN200720063790 U CN 200720063790U CN 201065815 Y CN201065815 Y CN 201065815Y
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- CN
- China
- Prior art keywords
- plunger
- oil suction
- oil
- suction valve
- elastic buckle
- 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 relates to an elastic buckle type flat valve plunger pump, which comprises an end cover, a pump casing, a swash plate, a cylinder body, an oil discharging valve component, an oil suction valve component, a central spring, a central spring base, a central steel ball, a retainer plate, a sliding boot, a thrust plate, and a thrust bearing, and other components. The oil suction valve component comprises three parts, namely, a plunger, an elastic buckle and an oil suction valve flake, wherein the elastic buckle is a grooved barrel-shaped body with slight radial elasticity, after the oil suction valve component is arranged in the cylinder hole, one end of the elastic buckle hooks the end part of the plunger, the other end of the elastic buckle hooks the oil suction valve flake, a certain open-close stroke is arranged between the plunger and the oil suction valve flake, and the elastic buckle is tightly fitted on the wall of the cylinder hole under the effect of the radial elasticity. The thrust plate and the thrust bearing are additionally arranged between the sliding boot and the swash plate. When the swash plate is rotated, the oil suction valve component makes reciprocating movement in the cylinder hole, and the oil discharging valve component also makes open-close movement subsequently. The pump has the advantages that the structure is simple, the cost is low, the reliability is good, the self-priming performance is strong, the rotational speed is high, the volumetric efficiency is high, the leakage is avoided, and the noise is low.
Description
Technical field
The utility model relates to a kind of spring clip type valve flow plunger pump.
Background technique
The flow mode mainly contains one-way valve type, inhales empty formula and double-plunger interworking formula in the present valve flow plunger pump.One-way valve type flow mode is simple in structure, and cost is low, but the opening-closing process spring is constantly done fore and aft motion, and spring ruptures easily, thereby poor reliability, and response lag, and self-priming performance is poor, and the rotating speed height will produce the flow confusion, and volumetric efficiency is low, and pressure is not steady; Inhale empty formula flow mode and cancelled the feed liquor one-way valve, but the plunger idle running is long, imbibition stroke leading portion produces negative pressure, and gas overflows in the liquid stream, produces air pocket, and pressure pulsation is big, and noise is big and oil port is easy to wear, leaks big.Double-plunger interworking formula flow mode complex structure, leakage rate is also big.
Summary of the invention
The purpose of this utility model, be design and produce a kind of simple in structure, cost is low, good reliability, self-priming performance is strong, rotating speed is high, volumetric efficiency is high, leakage is little, noise is low spring clip type valve flow plunger pump.
The technical solution of the utility model is as follows: this pump comprises end cap, pump case, swash plate, cylinder body, draining valve assembly, oil sucting valve assembly, central spring, centering spring seat, center steel ball, backhaul dish, piston shoes, thrust plate, thrust-bearing etc.The oil sucting valve assembly is buckled by plunger, elasticity and oil suction valve block three parts are formed, wherein the elasticity button is the fluting cylinder, radially has a little elasticity, after the oil sucting valve assembly was packed in the cylinder hole, elasticity button one end hook was lived plunger end, and the other end hooks the oil suction valve block, and has certain keying stroke between plunger and the oil suction valve block, elasticity is buckled under the effect of radial elastic power, is close to the cylinder hole wall, the friction that produces between elasticity button and the cylinder hole wall in the to-and-fro motion.Between piston shoes and swash plate, set up thrust plate and thrust-bearing, greatly reduced the skimming wear of piston shoes, improve the working life of pump.Central spring is installed in the cylinder body need not do fore and aft motion, and its active force is pressed to thrust plate and swash plate by the backhaul dish with piston shoes (together with the oil sucting valve assembly), controls a plurality of plunger backhauls.
Working principle of the present utility model is as follows: under the effect of central spring, the backhaul dish is close to piston shoes, the tight obedient thrust plate of piston shoes, and when swash plate rotated, it is reciprocating that piston shoes encase plunger ball, and the liquid sucting valve assembly is moved reciprocatingly in the cylinder hole.When plunger began to retreat, oil suction valve block, elasticity were buckled in that to be adjacent to the cylinder hole wall under the effect of radial elastic power motionless, and plunger end is separated with oil suction valve block end face, and promptly the liquid sucting valve assembly is opened, and shoe cream room pressure reduces, and the liquid discharging valve assembly is closed; When plunger continued to retreat, under the drive of elasticity button, the oil suction valve block and then retreated, and oil-feed remains to plunger and retreats into the dead point, and fluid is constantly by oil sucting valve assembly inspiration shoe cream room.When plunger began to advance, the oil suction valve block, that the elasticity button is adjacent to the cylinder hole wall was motionless, and plunger advancement and valve block end face are close to, and promptly the oil sucting valve assembly is closed, and forms the shoe cream room of a sealing between oil sucting valve assembly and the draining valve assembly; When plunger moved on, shoe cream room pressure raise, and the draining valve assembly is opened, and fluid is constantly through the oil drain out of draining valve assembly efflux pump.
By last analysis as seen, it is as follows to the utlity model has advantage: simple in structure, cost is low, good reliability, self-priming performance is strong, rotating speed is high, volumetric efficiency is high, leakage is little, noise is low, can be widely used in fields such as mine, metallurgy, boats and ships, waterpower, electric power, Aero-Space.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an oil-absorbing process schematic representation of the present utility model;
Fig. 3 is an oil extraction process schematic representation of the present utility model.
Embodiment
Embodiment 1, as shown in Figure 1.End cap 1 links to each other with pump case 3 by screw 2, swash plate 6 by roller bearing 4 and 5 linings of thrust-bearing in the pump housing 3, thrust plate 9 by roller bearing 7 and 8 linings of thrust-bearing on swash plate 6, central spring 14 and centering spring seat 13 are installed in the cylinder body 16, oil sucting valve assembly 17 and draining valve assembly 18 also are directly installed in the cylinder body 16, and cylinder body 16 links to each other with pump case 3 by screw 15.Central spring 14 need not done fore and aft motion, and its precompression is pressed to thrust plate 9 and swash plate 6 by center steel ball 12 and backhaul dish 11 with piston shoes 10 (together with oil sucting valve assembly 17).When swash plate 6 rotated under external force drives, piston shoes 10 slided on thrust plate 9 around 12 swings of center steel ball, and drive oil sucting valve assembly 17 moves reciprocatingly in the cylinder hole.Because thrust plate 9 is divided into thrust-bearing 8, the relative movement between piston shoes 10 and the thrust plate 9 is little.
As Fig. 2, shown in Figure 3, oil sucting valve assembly 17 by plunger 171, elasticity buckle 172, oil suction valve block 173 3 parts form, draining valve assembly 18 is made up of oil extraction valve seat 181, steel ball 182, spring 183, spring seat 184, oil extraction valve gap 185 5 parts.Wherein elasticity button 172 radially has a little elasticity for the fluting cylinder.After in oil sucting valve assembly 17 is packed the cylinder hole into, elasticity button 172 1 end hooks are lived plunger 171 ends, and the other end hooks oil suction valve block 173, and have certain keying stroke between plunger 171 and the oil suction valve block 173, elasticity button 172 is close to the cylinder hole wall under the effect of radial elastic power.
As shown in Figure 2, when plunger 171 begins to retreat, oil suction valve block 173, elasticity button 172 are adjacent to the cylinder hole wall under the effect of radial elastic power motionless, plunger 171 ends separate with oil suction valve block 173 end faces, form an oil-feed slit, be that oil sucting valve assembly 17 is opened, the shoe cream room pressure between oil sucting valve assembly 17 and the draining valve assembly 18 reduces, and the spring force of spring 183 cuts out draining valve assembly 18; When plunger 171 continued to retreat, under the drive of elasticity button 172, oil suction valve block 173 and then retreated, and the oil-feed slit remains to plunger 171 and retreats into the dead point, and fluid is constantly by the filler opening inspiration shoe cream room of oil sucting valve assembly 17 from pump.
As shown in Figure 3, when plunger 171 begins to advance, oil suction valve block 173, elasticity button 172 are adjacent to the cylinder hole wall under the effect of radial elastic power motionless, plunger 171 ends and oil suction valve block 173 end faces are close to, the oil-feed slit disappears, be that oil sucting valve assembly 17 is closed, form the shoe cream room of a sealing between oil sucting valve assembly 17 and the draining valve assembly 18; When plunger 171 moved on, shoe cream room pressure raise, and the spring force that overcomes spring 183 is opened draining valve assembly 18, and fluid is constantly through the oil drain out of draining valve assembly 18 efflux pumps.
Claims (2)
1. spring clip type valve flow plunger pump, comprise end cap (1), pump case (3), swash plate (6), cylinder body (16), central spring (14), centering spring seat (13), center steel ball (12), backhaul dish (11), piston shoes (10), it is characterized in that: the oil sucting valve assembly (17) of this pump is by plunger (171), elasticity button (172) and oil suction valve block (173) three parts are formed, wherein elasticity button (172) is the fluting cylinder, radially has a little elasticity, after oil sucting valve assembly (17) is packed in the cylinder hole, elasticity button (172) one end hooks are lived plunger (171) end, the other end hooks oil suction valve block (173), and has certain keying stroke between plunger (171) and the oil suction valve block (173); Draining valve assembly (18) is made up of oil extraction valve seat (181), steel ball (182), spring (183), spring seat (184), oil extraction valve gap (185) five parts.
2. spring clip type valve flow plunger pump according to claim 1 is characterized in that: be provided with thrust-bearing (8) and thrust plate (9) between piston shoes (10) and the swash plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200637903U CN201065815Y (en) | 2007-07-11 | 2007-07-11 | Elastic fastener type valve flow distribution plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200637903U CN201065815Y (en) | 2007-07-11 | 2007-07-11 | Elastic fastener type valve flow distribution plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065815Y true CN201065815Y (en) | 2008-05-28 |
Family
ID=39482991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200637903U Expired - Fee Related CN201065815Y (en) | 2007-07-11 | 2007-07-11 | Elastic fastener type valve flow distribution plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065815Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762503A (en) * | 2016-12-16 | 2017-05-31 | 上海交通大学 | Digital distribution and speed governing type low speed axial plunger pump |
| CN107859608A (en) * | 2017-10-30 | 2018-03-30 | 华中科技大学 | A kind of inclined disc type water pump |
-
2007
- 2007-07-11 CN CNU2007200637903U patent/CN201065815Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762503A (en) * | 2016-12-16 | 2017-05-31 | 上海交通大学 | Digital distribution and speed governing type low speed axial plunger pump |
| CN107859608A (en) * | 2017-10-30 | 2018-03-30 | 华中科技大学 | A kind of inclined disc type water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20120711 |