CN105422402A - Pressure water feeder hardware set - Google Patents
Pressure water feeder hardware set Download PDFInfo
- Publication number
- CN105422402A CN105422402A CN201510742098.2A CN201510742098A CN105422402A CN 105422402 A CN105422402 A CN 105422402A CN 201510742098 A CN201510742098 A CN 201510742098A CN 105422402 A CN105422402 A CN 105422402A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- piston
- piston cylinder
- depression bar
- pumping device
- 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
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Making Beverages (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a pressure water feeder hardware set. The pressure water feeder hardware set comprises a piston barrel, a piston, a pressing rod and a connecting rod. The piston barrel comprises an upper cover, a supporting frame, a piston barrel body, a water outlet pipe and filtering layers, wherein the upper cover is shaped like a round cake, a round hole is formed in the center of the upper cover, two symmetrical leg supports are arranged on the periphery of the upper cover, and the upper cover covers the upper end of the piston barrel body; the piston barrel body is composed of a large straight barrel, an inverted conical barrel and a small straight barrel, and the lower end of the large straight barrel is connected to the upper end of the inverted conical barrel; the lower end of the inverted conical barrel is connected with the upper end of the small straight barrel; the filtering layers are arranged inside the piston barrel body and in the connection position of the large straight barrel and the inverted conical barrel; the water outlet pipe is arranged on the lateral surface of the piston barrel body, and the supporting frame is connected to the outer surface of the piston barrel body. The upper cover is arranged to prevent a pollutant source in the atmosphere from falling into the piston barrel and polluting water. The filtering layers are additionally arranged to filter out gravels sucked in along with well water, so that the outlet well water is more pure.
Description
[technical field]
The present invention relates to the technical field of hardware, particularly a kind of technical field of water pumping device hardware group.
[background technique]
Vast rural area and Some Cities And Towns resident, widely use pumped well.Known pumped well compressed water generation apparatus is made up of piston cylinder, piston, connecting rod, depression bar and pole; Piston front portion is provided with rubber seal, and depression bar and the pole place of being rotationally connected are pole rotation place is fulcrum, and depression bar one end is connected to piston, and the other end is handle.In using, people hold the upper and lower pressure-raising depression bar of depression bar, drive piston to-and-fro motion in drinking-water pipe, water can be drawn up.
Existing piston cylinder upper end is directly exposed in air, easily falls into outside contamination particle, and people drink the pathogenic hidden danger of water existence that this piston cylinder flows out; Have in piston cylinder again and be not provided with filter layer, cannot filter with the sandstone together sucked of intaking, drink the water being mixed with sandstone for a long time and easily cause disease of digestive tract; It is too large that piston all adopts rubber to make elasticity, and water-taking efficiency is low, and water card is adjacent to relative to piston only, the process reaction of unclamping is insensitive, makes water speed slack-off, and easy to wear, and working life is low; Depression bar due to length be fixed value, therefore no matter who goes setting-out strength used equally large, and according to lever principle, the power bar length of side laborsaving same power can want province's distance and then need by larger power.Water pumping device on pumped well will faced by user comprise the crowd of each physical level, the depression bar that therefore can only reach labor-saving effect under different demand is extremely unreasonable.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, proposes a kind of water pumping device hardware group, can prevent the pollution sources in air to fall in piston cylinder thus polluted water, and can filter and sandstone that well water together sucks, and the well water making out is purer; Higher and the longer service life of water-taking efficiency; More can change depression bar length according to the demand of the muscle power of user and upper water speed thus reach laborsaving or the effect of quick upper water.
For achieving the above object, the present invention proposes a kind of water pumping device hardware group, comprise piston cylinder, piston, depression bar, connecting rod, described piston cylinder comprises upper cover, support, piston cylinder body, outlet pipe, filter layer, described upper cover is patty, described upper cover central position is provided with circular hole, described upper cover is circumferentially provided with two symmetrical ear holders, described upper cover is fastened on described piston cylinder body upper end, described piston cylinder body is by large straight tube, inversed conical drum, little straight tube three part composition, described large straight tube lower end connects inversed conical drum upper end, described inversed conical drum lower end connects little straight tube upper end, described piston cylinder body interior, large straight tube and inversed conical drum joint are provided with filter layer, described piston cylinder body side is provided with outlet pipe, described piston cylinder body outer surface is connected with support, described piston comprises link, metal dish, seal ring, water card, described link top is provided with through hole, described link is fixed on described metal dish upper surface, described metal dish is circumferentially connected with described seal ring, circular hole is provided with in the middle part of described metal dish, described water card is provided with below described link, described water card is by upper cover, lower cover, connecting rod is formed, described upper cover is positioned at above metal dish, described lower cover is positioned at below metal dish, described connecting rod connects upper cover and lower cover through circular hole, the lower surface of described upper cover is spherical calotte shape, it is convex that described lower cover upper surface is provided with some tops, described depression bar comprises extension bar, depression bar body, elbow, described extension bar is connected with depression bar body, the first turning point is provided with between described extension bar and depression bar body, described depression bar body is connected with elbow, described depression bar body is in being provided with the first attachment hole with elbow joint, described piston is positioned at piston cylinder inside, described connecting rod connects piston by the second attachment hole and through hole, the described connecting rod the other end connects described elbow through circular hole, the second turning point is provided with between described elbow and connecting rod.
As preferably, described outlet pipe is horizontal by 20 ° of angles, and described outlet pipe outer end is provided with interface, and described interface is the cone wall pipe coaxial with outlet pipe, and described interface outer surface is provided with some binding grooves.
As preferably, described pedestal upper end portion is provided with groove, and institute recklessly groove two side is equipped with through hole, is provided with transitional slope between described pedestal lower end and piston cylinder body.
As preferably, the medial axis of described outlet pipe is perpendicular to the symmetry plane of support, and described little straight tube inwall is provided with internal thread, and described upper cover lower surface is provided with clasp, and described clasp diameter is less than large straight tube internal diameter.
As preferably, described metal is circumferentially provided with groove, and described seal ring part is stuck in groove, and the width that described seal ring is positioned at the part of groove equals the width of the part of groove outside, and on described metal dish upper surface, circular hole surrounding is provided with rubber pad.
As preferably, described seal ring outer peripheral surface is provided with some seal grooves, and the seal groove degree of depth is 1/5 of seal ring width, and the lower surface of described upper cover is provided with elastic cord breaker.
As preferably, the convex beeline to upper cover in described top is rubber pad upper surface to 1.5 times of the distance of metal dish lower surface, described link is made up of four curved bars, curved bar is circumferentially distributed in circular hole surrounding, wherein the upper tip of curved bar is connected on a point, and the lower end of four curved bars is then connected on metal dish.
As preferably, the circle that described this body section of depression bar is complete with extension bar section constitution one, extension bar length is less than depression bar body length.
As preferably, described extension bar can rotate around the first turning point, and described connecting rod can rotate around the second turning point.
Beneficial effect of the present invention: the present invention, by arranging upper cover, prevents the pollution sources in air to fall in piston cylinder thus polluted water, and filter and together suck to obtain sandstone by adding filter layer with well water, the well water making out is purer; By changing original plastic piston body into metal dish and connecting seal ring in metal dish surrounding, make piston in water absorption course, avoid the energy of the hyperabsorption due to self-deformation to cause the efficiency of whole water pumping device to reduce; By arranging extension bar in depression bar outer end, and connecting extension bar by rotating shaft, making water pumping device can change depression bar length according to the muscle power of user and upper water speed demand thus reaching laborsaving or the effect of quick upper water.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of water pumping device hardware of the present invention group;
Fig. 2 is the shaft side figure of the piston cylinder of a kind of water pumping device hardware of the present invention group;
Fig. 3 is the main pseudosection of the piston cylinder of a kind of water pumping device of the present invention hardware group;
Fig. 4 is the shaft side figure of the piston of a kind of water pumping device hardware of the present invention group;
Fig. 5 is the main pseudosection of the piston of a kind of water pumping device of the present invention hardware group;
Fig. 6 is the depression bar of a kind of water pumping device hardware of the present invention group and the shaft side figure of connecting rod;
Fig. 7 is the depression bar of a kind of water pumping device hardware of the present invention group and the plan view of connecting rod.
In figure: 1-piston cylinder, 11-upper cover, the holder of 112-ear, 113-circular hole, 114-clasp, 12-support, 13-piston cylinder body, the large straight tube of 132-, 133-inversed conical drum, the little straight tube of 134-, 14-outlet pipe, 142-interface, 15-filter layer, 2-piston, 21-link, 212-through hole, 22-metal dish, 221-circular hole, 222-rubber pad, 23-seal ring, 232-seal groove, 24-water card, 241-upper cover, 242-connecting rod, capping under 243-, 244-top is convex, 3-connecting rod, 31-second turning point, 32-first attachment hole, 4-depression bar, 41-extension bar, 412-first turning point, 42-depression bar body, 43-elbow, 44-second attachment hole.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of water pumping device hardware of the present invention group, comprises piston cylinder 1, piston 2, depression bar 4, connecting rod 3, described piston cylinder 1 comprises upper cover 11, support 12, piston cylinder body 13, outlet pipe 14, filter layer 15, described upper cover 11 is patty, and described upper cover 11 central position is provided with round tube hole 113, and described upper cover 11 is circumferentially provided with two symmetrical ear holders 12, described upper cover 11 is fastened on described piston cylinder body 13 upper end, and described piston cylinder body 13 is by large straight tube 132, inversed conical drum 133, little straight tube 134 3 part composition, described large straight tube 132 lower end connects inversed conical drum 133 upper end, and described inversed conical drum 133 lower end connects little straight tube 134 upper end, and described piston cylinder body 13 is inner, large straight tube 132 is provided with filter layer 15 with inversed conical drum 133 joint, and described piston cylinder body 13 side is provided with outlet pipe 14, and described piston cylinder body 13 outer surface is connected with support 12, and described piston 2 comprises link 21, metal dish 22, seal ring 23, water card 24, described link 21 top is provided with through hole 212, described link 21 is fixed on described metal dish 22 upper surface, described metal dish 22 is circumferentially connected with described seal ring 23, circular hole 221 is provided with in the middle part of described metal dish 22, be provided with described water card 24 below described link 21, described water card 24 is by upper cover 11, lower cover, connecting rod 242 is formed, described upper cover 11 is positioned at above metal dish 22, described lower cover is positioned at below metal dish 22, described connecting rod 242 connects upper cover 11 and lower cover through circular hole 221, the lower surface of described upper cover 11 is spherical calotte shape, described lower cover upper surface is provided with some tops convex 244, and described depression bar 4 comprises extension bar 41, depression bar body 42, elbow 43, described extension bar 41 is connected with depression bar body 42, the first turning point 412 is provided with between described extension bar 41 and depression bar body 42, described depression bar body 42 is connected with elbow 43, described depression bar body 42 is in being provided with the first attachment hole 32 with elbow 43 joint, it is inner that described piston 2 is positioned at piston cylinder 1, described connecting rod 3 connects piston 2 by the second attachment hole 44 and through hole 212, described connecting rod 3 the other end connects described elbow 43 through circular hole 221, is provided with the second turning point 31 between described elbow 43 and connecting rod 3.Described outlet pipe 14 is horizontal by 20 ° of angles, and described outlet pipe 14 outer end is provided with interface 142, and described interface 142 is the cone wall pipe coaxial with outlet pipe 14, and described interface 142 outer surface is provided with some binding grooves.Described support 12 upper end portion is provided with groove, and groove two side is equipped with through hole 212 to institute's Hu, is provided with transitional slope between described support 12 lower end and piston cylinder body 13.The medial axis of described outlet pipe 14 is perpendicular to the symmetry plane of support 12, and described little straight tube 134 inwall is provided with internal thread, and described upper cover 11 lower surface is provided with clasp 114, and described clasp 114 diameter is less than large straight tube 132 internal diameter.Described metal is circumferentially provided with groove, and described seal ring 23 part is stuck in groove, and the width that described seal ring 23 is positioned at the part of groove equals the width of the part of groove outside, and on described metal dish 22 upper surface, circular hole 221 surrounding is provided with rubber pad 222.Described seal ring 23 outer peripheral surface is provided with some seal grooves 232, and seal groove 232 degree of depth is 1/5 of seal ring 23 width, and the lower surface of described upper cover 11 is provided with elastic cord breaker.The beeline of convex 244 to the upper cover 11 in described top is rubber pad 222 upper surface to 1.5 times of the distance of metal dish 22 lower surface, described link 21 is made up of four curved bars, curved bar is circumferentially distributed in circular hole 221 surrounding, wherein the upper tip of curved bar is connected on a point, and the lower end of four curved bars is then connected on metal dish 22.Described depression bar body 42 cross section and the complete circle of extension bar 41 section constitution one, extension bar 41 length is less than depression bar body 42 length.Described extension bar 41 can rotate around the first turning point 412, and described connecting rod 3 can rotate around the second turning point 31.
A kind of water pumping device hardware of the present invention group, by arranging upper cover, prevents the pollution sources in air to fall in piston cylinder thus polluted water, and filters and together suck to obtain sandstone by adding filter layer with well water, and the well water making out is purer; By changing original plastic piston body into metal dish and connecting seal ring in metal dish surrounding, make piston in water absorption course, avoid the energy of the hyperabsorption due to self-deformation to cause the efficiency of whole water pumping device to reduce; By arranging extension bar in depression bar outer end, and connecting extension bar by rotating shaft, making water pumping device can change depression bar length according to the muscle power of user and upper water speed demand thus reaching laborsaving or the effect of quick upper water.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (9)
1. a water pumping device hardware group, it is characterized in that: comprise piston cylinder (1), piston (2), depression bar (4), connecting rod (3), described piston cylinder (1) comprises upper cover (11), support (12), piston cylinder body (13), outlet pipe (14), filter layer (15), described upper cover (11) is patty, described upper cover (11) central position is provided with round tube hole (113), described upper cover (11) is circumferentially provided with two symmetrical ear holders (12), described upper cover (11) is fastened on described piston cylinder body (13) upper end, described piston cylinder body (13) is by large straight tube (132), inversed conical drum (133), little straight tube (134) three part composition, described large straight tube (132) lower end connects inversed conical drum (133) upper end, described inversed conical drum (133) lower end connects little straight tube (134) upper end, described piston cylinder body (13) is inner, large straight tube (132) and inversed conical drum (133) joint are provided with filter layer (15), described piston cylinder body (13) side is provided with outlet pipe (14), described piston cylinder body (13) outer surface is connected with support (12), described piston (2) comprises link (21), metal dish (22), seal ring (23), water card (24), described link (21) top is provided with through hole (212), described link (21) is fixed on described metal dish (22) upper surface, described metal dish (22) is circumferentially connected with described seal ring (23), described metal dish (22) middle part is provided with circular hole (221), described link (21) below is provided with described water card (24), described water card (24) is by upper cover (11), lower cover, connecting rod (242) is formed, described upper cover (11) is positioned at metal dish (22) top, described lower cover is positioned at metal dish (22) below, described connecting rod (242) connects upper cover (11) and lower cover through circular hole (221), the lower surface of described upper cover (11) is spherical calotte shape, described lower cover upper surface is provided with some tops convex (244), described depression bar (4) comprises extension bar (41), depression bar body (42), elbow (43), described extension bar (41) is connected with depression bar body (42), the first turning point (412) is provided with between described extension bar (41) and depression bar body (42), described depression bar body (42) is connected with elbow (43), described depression bar body (42) is in being provided with the first attachment hole (32) with elbow (43) joint, it is inner that described piston (2) is positioned at piston cylinder (1), described connecting rod (3) connects piston (2) by the second attachment hole (44) and through hole (212), described connecting rod (3) the other end connects described elbow (43) through circular hole (221), the second turning point (31) is provided with between described elbow (43) and connecting rod (3).
2. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described outlet pipe (14) is horizontal by 20 ° of angles, described outlet pipe (14) outer end is provided with interface (142), described interface (142) is the cone wall pipe coaxial with outlet pipe (14), and described interface (142) outer surface is provided with some binding grooves.
3. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described support (12) upper end portion is provided with groove, groove two side is equipped with through hole (212) to institute's Hu, is provided with transitional slope between described support (12) lower end and piston cylinder body (13).
4. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: the medial axis of described outlet pipe (14) is perpendicular to the symmetry plane of support (12), described little straight tube (134) inwall is provided with internal thread, described upper cover (11) lower surface is provided with clasp (114), and described clasp (114) diameter is less than large straight tube (132) internal diameter.
5. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described metal is circumferentially provided with groove, described seal ring (23) part is stuck in groove, the width that described seal ring (23) is positioned at the part of groove equals the width of the part of groove outside, and on described metal dish (22) upper surface, circular hole (221) surrounding is provided with rubber pad (222).
6. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described seal ring (23) outer peripheral surface is provided with some seal grooves (232), seal groove (232) degree of depth is 1/5 of seal ring (23) width, and the lower surface of described upper cover (11) is provided with elastic cord breaker.
7. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described top convex (244) to the beeline of upper cover (11) is rubber pad (222) upper surface to 1.5 times of the distance of metal dish (22) lower surface, described link (21) is made up of four curved bars, curved bar is circumferentially distributed in circular hole (221) surrounding, wherein the upper tip of curved bar is connected on a point, and the lower end of four curved bars is then connected on metal dish (22).
8. a kind of water pumping device hardware group as claimed in claim 1, it is characterized in that: described depression bar body (42) cross section and the complete circle of extension bar (41) section constitution one, extension bar (41) length is less than depression bar body (42) length.
9. a kind of water pumping device hardware group as claimed in claim 1, is characterized in that: described extension bar (41) can rotate around the first turning point (412), and described connecting rod (3) can rotate around the second turning point (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742098.2A CN105422402B (en) | 2015-11-04 | 2015-11-04 | A kind of water pressurizing device handware group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742098.2A CN105422402B (en) | 2015-11-04 | 2015-11-04 | A kind of water pressurizing device handware group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422402A true CN105422402A (en) | 2016-03-23 |
| CN105422402B CN105422402B (en) | 2017-12-26 |
Family
ID=55500865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510742098.2A Expired - Fee Related CN105422402B (en) | 2015-11-04 | 2015-11-04 | A kind of water pressurizing device handware group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422402B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746627A (en) * | 2016-04-06 | 2016-07-13 | 王本 | Cake raw material metering and die-filling device |
| CN105999789A (en) * | 2016-07-17 | 2016-10-12 | 徐慧敏 | Filtering machine for automatically purifying and separating solid-state impurities in liquid |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047730U (en) * | 1989-01-24 | 1989-11-15 | 蔡昌富 | Liquid extractor |
| CN2104953U (en) * | 1991-09-28 | 1992-05-20 | 王德华 | 3-cylinder, 2-piston hand water pump |
| US5431816A (en) * | 1991-04-09 | 1995-07-11 | Sweetwater, Inc. | Prefilter for a water purification pump |
| CN2288292Y (en) * | 1996-08-05 | 1998-08-19 | 华旭 | Full-closed piston-type double-action reciprocating pump |
| CN2301557Y (en) * | 1997-05-05 | 1998-12-23 | 揭西县钟山工贸有限公司 | Piston assembly for hand water pump |
| CN2422464Y (en) * | 2000-04-11 | 2001-03-07 | 李正鼎 | Water press machine |
| CN2440121Y (en) * | 2000-08-04 | 2001-07-25 | 冯玉东 | Hand-press water pump |
| CN201003471Y (en) * | 2006-01-06 | 2008-01-09 | 向仕林 | Piston type double-pass manual pump |
| CN203822605U (en) * | 2014-02-27 | 2014-09-10 | 江汉大学 | Leakage preventing water well hand pump |
-
2015
- 2015-11-04 CN CN201510742098.2A patent/CN105422402B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047730U (en) * | 1989-01-24 | 1989-11-15 | 蔡昌富 | Liquid extractor |
| US5431816A (en) * | 1991-04-09 | 1995-07-11 | Sweetwater, Inc. | Prefilter for a water purification pump |
| CN2104953U (en) * | 1991-09-28 | 1992-05-20 | 王德华 | 3-cylinder, 2-piston hand water pump |
| CN2288292Y (en) * | 1996-08-05 | 1998-08-19 | 华旭 | Full-closed piston-type double-action reciprocating pump |
| CN2301557Y (en) * | 1997-05-05 | 1998-12-23 | 揭西县钟山工贸有限公司 | Piston assembly for hand water pump |
| CN2422464Y (en) * | 2000-04-11 | 2001-03-07 | 李正鼎 | Water press machine |
| CN2440121Y (en) * | 2000-08-04 | 2001-07-25 | 冯玉东 | Hand-press water pump |
| CN201003471Y (en) * | 2006-01-06 | 2008-01-09 | 向仕林 | Piston type double-pass manual pump |
| CN203822605U (en) * | 2014-02-27 | 2014-09-10 | 江汉大学 | Leakage preventing water well hand pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746627A (en) * | 2016-04-06 | 2016-07-13 | 王本 | Cake raw material metering and die-filling device |
| CN105999789A (en) * | 2016-07-17 | 2016-10-12 | 徐慧敏 | Filtering machine for automatically purifying and separating solid-state impurities in liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422402B (en) | 2017-12-26 |
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