CN103867431A - Novel check valve structure of high pressure washer plunger pump - Google Patents
Novel check valve structure of high pressure washer plunger pump Download PDFInfo
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- CN103867431A CN103867431A CN201410132854.5A CN201410132854A CN103867431A CN 103867431 A CN103867431 A CN 103867431A CN 201410132854 A CN201410132854 A CN 201410132854A CN 103867431 A CN103867431 A CN 103867431A
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Abstract
The invention discloses a novel check valve structure of a high pressure washer plunger pump. The novel check valve structure of the high pressure washer plunger pump comprises a check valve body, wherein the check valve body is embedded in and sleeved with a plunger pump shell, the check valve body and a plunger valve sleeve are arranged coaxially, the check valve body is formed by a connecting body and a valve fore body, the connecting body is communicated and assembled with a plunger cavity of the plunger valve sleeve, a through valve core cavity communicated with the plunger cavity is formed in the check valve body, the valve core cavity comprises a water outlet valve core cavity, a middle water outlet flow channel and a water inlet valve core cavity, the water outlet valve core cavity, the middle water outlet flow channel and the water inlet valve core cavity are formed backwards from the valve fore body and are communicated in sequence, an annular water inlet channel of an annular water inlet flow channel is formed in the outer circumferential face of the check valve body in the mode of being matched with the plunger pump shell, a middle water inlet flow channel communicated with the water inlet valve cavity is formed in the annular water inlet channel, a water outlet check valve core assembly in opening and closing matching with the middle water outlet flow channel is assembled in the water outlet valve core cavity, and a water inlet check valve core assembly in opening and closing matching with the middle water inlet flow channel is assembled in the water inlet valve core cavity. The novel check valve structure of the high pressure washer plunger pump is compact in structure, small in size, reasonable in design and capable of meeting using requirements of the high pressure washer plunger pump.
Description
Technical field
The present invention relates to a kind of valve arrangement, particularly relate to a kind of one-way valve of washing machine ram type pump, specifically plunger-type pump of high pressure cleaner Novel check valve structure.
Background technique
Plunger-type pump of high pressure cleaner is to utilize the plunger to-and-fro motion in driven by motor cylinder body to carry out work, realizes the suction of rinse water thereby the to-and-fro motion of plunger changes volume in cylinder body.Can discharge on request when guaranteeing rinse water suction, high-pressure wash water can not flowed out from feed-water end, washing machine plunger pump is fitted with one-way valve conventionally.In prior art, due to the assembly structure complexity of one-way valve and the pump housing, cause the volume of whole machine comparatively huge, and general one-way valve water inlet valve port only has one, inflow is conventionally lower, and therefore working efficiency is relatively not high.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide a kind of simple for structure, volume little easy to assembly, inflow large and the plunger-type pump of high pressure cleaner Novel check valve structure of good seal performance.
The present invention solves the problems of the technologies described above adopted technological scheme: plunger-type pump of high pressure cleaner Novel check valve structure, comprise that sealing is nested in plunger pump shell and the one-way valve valve body of the coaxial setting of plunger valve pocket, one-way valve valve body is made up of the valve precursor that is communicated with equipped connecting body and column construction with the plunger chamber of plunger valve pocket, and this one-way valve axon is to the penetrating spool chamber that is communicated with plunger chamber that is shaped with; Spool chamber comprises the water outlet spool chamber being communicated with successively, middle outlet passage and water inlet spool chamber backward by valve precursor; The outer circumferential face of one-way valve valve body is along the whole hoop water inlet conduit that coordinates plunger pump shell to be formed with annular water inlet flow channel that is circumferentially shaped with, and the medium radian of hoop water inlet conduit is shaped with the middle water inlet flow channel that at least one is communicated with water inlet spool chamber; In water outlet spool chamber, be fitted with middle outlet passage and open and close the water outlet nonreturn valve core assembly coordinating, in water inlet spool chamber, be fitted with middle water inlet flow channel and open and close the water feeding one-way valve core assembly coordinating.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned water outlet nonreturn valve core assembly comprises water outlet spring seat, water outlet spring and water outlet spool; Water outlet spring seat is fixedly nested in water outlet spool chamber, water outlet spool connects and matches with the water outlet road junction sealing top of middle outlet passage, water outlet pressure mounting of the spring is in water outlet spring seat, the bottom surface phase apical grafting of one end of this water outlet spring and water outlet spring seat, the other end of this water outlet spring and water outlet spool phase apical grafting.
Above-mentioned water outlet spring seat is shaped with the spring cavity that prevents that water outlet spring is subjected to displacement, water outlet spring is arranged in spring cavity, the bottom surface of water outlet spring seat has formed the bottom of spring cavity, the bottom of this spring cavity has osculum, water outlet spool is made up of with the cylindricality valve rod that is connected to sealing head the seal header joints of spherical arc shape, and water outlet spring and cylindricality valve rod are nested and establish.
Above-mentioned water feeding one-way valve core assembly comprises the inlet valve seat being fixedly inlaid in in water spool chamber, the be fitted with spool group that by water inlet spring and water inlet valve ball formed corresponding with water inlet flow channel in the middle of each on inlet valve seat, the water outlet sealing phase apical grafting of water inlet valve ball and middle water inlet flow channel, the two ends of water inlet spring respectively with the bottom surface phase apical grafting of intake valve ball and inlet valve seat.
The bottom surface of above-mentioned inlet valve seat is shaped with the paddle hole that is communicated with water inlet spool chamber and plunger chamber, and on the bottom surface of this inlet valve seat, has been shaped with and prevents the positioning guide column that is subjected to displacement into water spring, and the spring of intaking matches with positioning guide column is sheathed.
The medium radian of hoop water inlet conduit of above-mentioned one-way valve valve body is uniform is shaped with water inlet flow channels in the middle of four roads, and two adjacent middle water inlet flow channels are spent at a distance of 90, correspondingly on the bottom surface of inlet valve seat, are shaped with four positioning guide column.
The diameter of the water inlet spool chamber of above-mentioned one-way valve valve body is greater than the diameter of water outlet spool chamber, the diameter of outlet passage in the middle of the diameter of water outlet spool chamber is greater than; The accent of water inlet spool chamber expands the inlet valve positioning chamber that is shaped with positioning assembling inlet valve seat, and the accent place of water outlet spool chamber extends axially and expands the outlet valve positioning chamber that is shaped with positioning assembling water outlet spring seat.
Above-mentioned water inlet spool chamber is positioned at the connecting body of one-way valve valve body, the plunger chamber sealing of the outer circumferential face of this connecting body and plunger valve pocket is nested and joins, and on the outer circumferential face of connecting body, be shaped with one annular seal groove, in annular seal groove, be embedded with into water seal ring, the outer circumferential face of connecting body is formed with the port ring surface of plunger chamber locates the location annular boss coordinating.
The valve precursor outer circumferential face of above-mentioned one-way valve valve body is shaped with at least one seal ring connected in star for fitting tight circle, and hoop water inlet conduit is arranged on the root position place being connected with connecting body on valve precursor.
Above-mentioned valve precursor outer circumferential face is shaped with two seals annular groove.
Compared with prior art, one-way valve valve body setting-in of the present invention is set in plunger pump shell directly and plunger valve pocket matches dress, one-way valve system has the water outlet spool chamber of axial connection, middle outlet passage and water inlet spool chamber, the outer circumferential face of its one-way valve valve body is shaped with the hoop water inlet conduit that coordinates plunger pump shell to be formed with annular water inlet flow channel, in water outlet spool chamber, be fitted with water outlet nonreturn valve core assembly, in water inlet spool chamber, be fitted with water feeding one-way valve core assembly, form a kind of combination check valve structure of same valve body.Compact structure of the present invention, volume is little, easy for installation, the large usage requirement that can meet plunger-type pump of high pressure cleaner of inflow.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the axial partial sectional view after the present invention and plunger pump shell assembling;
Fig. 3 is the structural representation of one-way valve valve body in Fig. 1;
Fig. 4 is the structural representation of water outlet nonreturn valve core assembly in Fig. 1;
Fig. 5 is the structural representation of water feeding one-way valve core assembly in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 5 is structural representation of the present invention.
Reference character is wherein: annular water inlet flow channel D, one-way valve valve body 1, water outlet spool chamber 1a, middle outlet passage 1b, water inlet spool chamber 1c, hoop water inlet conduit 1d, middle water inlet flow channel 1e, valve precursor 11, seal ring connected in star 11a, connecting body 12, annular seal groove 12a, location annular boss 12b, water outlet nonreturn valve core assembly 2, water outlet spring seat 21, spring cavity 21a, osculum 21b, water outlet spring 22, water outlet spool 23, water feeding one-way valve core assembly 3, inlet valve seat 31, positioning guide column 31a, water inlet spring 32, water inlet valve ball 33, water inlet seal ring 4, plunger valve pocket 5, plunger chamber 5a, plunger pump shell 6, plunger 7.
As shown in Figures 1 to 5, plunger-type pump of high pressure cleaner Novel check valve structure of the present invention, comprise that sealing is nested in plunger pump shell 6 and the one-way valve valve body 1 of the coaxial setting of plunger valve pocket 5, one-way valve valve body 1 is made up of the valve precursor 11 that is communicated with equipped connecting body 12 and column construction with the plunger chamber 5a of plunger valve pocket 5, and this one-way valve valve body 1 is the penetrating spool chamber that is communicated with plunger chamber 5a that is shaped with axially; Spool chamber is comprised water outlet spool chamber 1a, the middle outlet passage 1b and the water inlet spool chamber 1c that are communicated with successively backward by valve precursor 11; The outer circumferential face of one-way valve valve body 1 is along the whole hoop water inlet conduit 1d that coordinates plunger pump shell 6 to be formed with annular water inlet flow channel D that is circumferentially shaped with, and the medium radian of hoop water inlet conduit 1d is shaped with the middle water inlet flow channel 1e that at least one is communicated with water inlet spool chamber 1c; In water outlet spool chamber 1a, be fitted with middle outlet passage 1b and open and close the water outlet nonreturn valve core assembly 2 coordinating, in water inlet spool chamber 1c, be fitted with middle water inlet flow channel 1e and open and close the water feeding one-way valve core assembly 3 coordinating, there is the combination check valve structure of water-in and water-out one-way valve thereby form a kind of one set, make structure of the present invention compacter, volume is little, easy to process.The outer circumferential face of one-way valve valve body 1 is shaped with the hoop water inlet conduit 1d of groove type, hoop water inlet conduit 1d coordinates the inwall of plunger pump shell 6 to form a kind of annular water inlet structure, and be shaped with at least one middle water inlet flow channel 1e in hoop water inlet conduit 1d, thereby increase the path of water inlet, make into water more smoothly, resistance is less.From Fig. 1 and Fig. 2, can see, one-way valve valve body 1 of the present invention is directly nested in plunger pump shell 6 and is communicated with the plunger chamber 5a of plunger valve pocket 5 and is equipped with, and therefore structure is more succinct, and manufacture cost is lower, and convenient for maintaining and assembling.The direction that in Fig. 1 of the present invention, filled arrows is water inlet and outlet, hollow arrow is the moving direction of plunger 7.
In order further to optimize the performance of this product, in embodiment, as shown in Figure 4, water outlet nonreturn valve core assembly 2 comprises water outlet spring seat 21, water outlet spring 22 and the water outlet spool 23 of the assembling that matches; Water outlet spring seat 21 is fixedly nested in water outlet spool chamber 1a, water outlet spool 23 connects and matches with the water outlet road junction sealing top of middle outlet passage 1b, water outlet spring 22 is fitted in water outlet spring seat 21, the bottom surface phase apical grafting of one end of this water outlet spring 22 and water outlet spring seat 21, the other end of this water outlet spring 22 and water outlet spool 23 phase apical graftings.As can see from Figure 1, water outlet spool 23 matches with the water outlet road junction sealing of middle outlet passage 1b under the pressure effect of the top of water outlet spring 22, only have in the time that the high pressure water in middle outlet passage 1b acts on pressure on water outlet spool 23 and is greater than the pressure of water outlet spring 22, high pressure water could compress water outlet spring 22 to be pushed water outlet spool 23 open and enters water outlet spool chamber 1a, then discharges the present invention.
In embodiment, please continue referring to Fig. 4, water outlet spring seat 21 is shaped with the spring cavity 21a that prevents that water outlet spring 22 is subjected to displacement, water outlet spring 22 is arranged in spring cavity 21a, the bottom surface of water outlet spring seat 21 has formed the bottom of spring cavity 21a, the bottom of this spring cavity 21a has osculum 21b, water outlet spool 23 is made up of with the cylindricality valve rod that is connected to sealing head the seal header joints of spherical arc shape, and water outlet spring 22 is nested and establishes with cylindricality valve rod.Water outlet spool 23 of the present invention is mushroom project organization.
In embodiment incorporated by reference to Fig. 1 and Fig. 5, water feeding one-way valve core assembly 3 comprises the inlet valve seat 31 being fixedly inlaid in in water spool chamber 1c, the be fitted with spool group that by water inlet spring 32 and water inlet valve ball 33 formed corresponding with water inlet flow channel 1e in the middle of each on inlet valve seat 31, the water outlet sealing phase apical grafting of water inlet valve ball 33 and middle water inlet flow channel 1e, the two ends of water inlet spring 32 respectively with the bottom surface phase apical grafting of intake valve ball 33 and inlet valve seat 31.
In embodiment, the bottom surface of inlet valve seat 31 is shaped with the paddle hole that is communicated with water inlet spool chamber 1c and plunger chamber 5a, and on the bottom surface of this inlet valve seat 31, be shaped with and prevented the positioning guide column 31a that is subjected to displacement into water spring 32, water inlet spring 32 matches with positioning guide column 31a is sheathed.
In embodiment, the uniform middle water inlet flow channel 1e in four roads that is shaped with of the medium radian of hoop water inlet conduit 1d of one-way valve valve body 1, two adjacent middle water inlet flow channel 1e, at a distance of 90 degree, are correspondingly shaped with four positioning guide column 31a on the bottom surface of inlet valve seat 31.
In embodiment, the diameter of the water inlet spool chamber 1c of one-way valve valve body 1 is greater than the diameter of water outlet spool chamber 1a, the diameter of outlet passage 1b in the middle of the diameter of water outlet spool chamber 1a is greater than; The accent of water inlet spool chamber 1c expands the inlet valve positioning chamber that is shaped with positioning assembling inlet valve seat 31, and the accent place of water outlet spool chamber 1a extends axially and expands the outlet valve positioning chamber that is shaped with positioning assembling water outlet spring seat 21.
In embodiment, water inlet spool chamber 1c is positioned at the connecting body 12 of one-way valve valve body 1, the plunger chamber 5a sealing of the outer circumferential face of this connecting body 12 and plunger valve pocket 5 is nested and joins, and on the outer circumferential face of connecting body 12, be shaped with annular seal groove 12a one, in annular seal groove 12a, be embedded with into water seal ring 4, the outer circumferential face of connecting body 12 is formed with the port ring surface of plunger chamber 5a locates the location annular boss 12b coordinating.
In embodiment, valve precursor 11 outer circumferential faces of one-way valve valve body 1 are shaped with at least one seal ring connected in star 11a for fitting tight circle, and hoop water inlet conduit 1d is arranged on the root position place being connected with connecting body 12 on valve precursor 11.The present invention is preferably shaped with two seals annular groove 11a.
As shown in Figure 1, working principle of the present invention is as follows: in the time that plunger 7 moves downward, because increasing, the volume of plunger chamber 5a produces negative pressure, thereby make into the pressure decreased of water spool chamber 1c, now water outlet spool 23 outlet passage 1b in the middle of the effect lower seal of water outlet spring 22 is lived, water in hoop water inlet conduit 1d can back down into water valve ball 33 and enter successively into water spool chamber 1c and plunger chamber 5a, thereby completes water absorption course.Otherwise in the time that plunger 7 moves upward, because the volume of plunger chamber 5a reduces, inner hydraulic pressure is increased, water inlet valve ball 33 is closed middle water inlet flow channel 1e under the double action of high pressure water and water inlet spring 32, along with the pressure of high pressure water raises, high pressure water overcomes the pressure of water outlet spring 22, promotes water outlet spool 23 and opens middle outlet passage 1b, thereby complete High Pressure Drain process.
Claims (10)
1. plunger-type pump of high pressure cleaner Novel check valve structure, comprise that sealing is nested in plunger pump shell (6) and the one-way valve valve body (1) of the coaxial setting of plunger valve pocket (5), it is characterized in that: described one-way valve valve body (1) is made up of the valve precursor (11) that is communicated with equipped connecting body (12) and column construction with the plunger chamber (5a) of plunger valve pocket (5), this one-way valve valve body (1) is the penetrating spool chamber that is communicated with plunger chamber (5a) that is shaped with axially; Described spool chamber is comprised the water outlet spool chamber (1a), middle outlet passage (1b) and the water inlet spool chamber (1c) that are communicated with successively backward by valve precursor (11); The outer circumferential face of described one-way valve valve body (1) is along the whole hoop water inlet conduit (1d) that coordinates plunger pump shell (6) to be formed with annular water inlet flow channel (D) that is circumferentially shaped with, and the described medium radian of hoop water inlet conduit (1d) is shaped with the middle water inlet flow channel (1e) that at least one is communicated with water inlet spool chamber (1c); In described water outlet spool chamber (1a), be fitted with middle outlet passage (1b) and open and close the water outlet nonreturn valve core assembly (2) coordinating, in described water inlet spool chamber (1c), be fitted with middle water inlet flow channel (1e) and open and close the water feeding one-way valve core assembly (3) coordinating.
2. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 1, is characterized in that: described water outlet nonreturn valve core assembly (2) comprises water outlet spring seat (21), water outlet spring (22) and water outlet spool (23); Described water outlet spring seat (21) is fixedly nested in water outlet spool chamber (1a), described water outlet spool (23) connects and matches with the water outlet road junction sealing top of middle outlet passage (1b), described water outlet spring (22) is fitted in water outlet spring seat (21), the bottom surface phase apical grafting of one end of this water outlet spring (22) and water outlet spring seat (21), the other end of this water outlet spring (22) and water outlet spool (23) phase apical grafting.
3. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 2, it is characterized in that: described water outlet spring seat (21) is shaped with the spring cavity (21a) that prevents that water outlet spring (22) is subjected to displacement, described water outlet spring (22) is arranged in spring cavity (21a), the bottom surface of described water outlet spring seat (21) has formed the bottom of spring cavity (21a), the bottom of this spring cavity (21a) has osculum (21b), described water outlet spool (23) is made up of with the cylindricality valve rod that is connected to sealing head the seal header joints of spherical arc shape, described water outlet spring (22) is nested and establishes with cylindricality valve rod.
4. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 3, it is characterized in that: described water feeding one-way valve core assembly (3) comprises the inlet valve seat (31) being fixedly inlaid in in water spool chamber (1c), the corresponding spool group being formed by water inlet spring (32) and water inlet valve ball (33) that is fitted with of described inlet valve seat (31) middle water inlet flow channel (1e) upper and described in each, described water inlet valve ball (33) and the water outlet of middle water inlet flow channel (1e) sealing phase apical grafting, the two ends of described water inlet spring (32) respectively with water inlet valve ball (33) and the bottom surface phase apical grafting of inlet valve seat (31).
5. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 4, it is characterized in that: the bottom surface of described inlet valve seat (31) is shaped with the paddle hole that is communicated with water inlet spool chamber (1c) and plunger chamber (5a), and on the bottom surface of this inlet valve seat (31), be shaped with and prevented the positioning guide column (31a) that is subjected to displacement into water spring (32), described water inlet spring (32) and sheathed the matching of positioning guide column (31a).
6. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 5, it is characterized in that: the uniform middle water inlet flow channels in four roads (1e) that are shaped with of the medium radian of hoop water inlet conduit (1d) of described one-way valve valve body (1), two adjacent described middle water inlet flow channels (1e), at a distance of 90 degree, are correspondingly shaped with four positioning guide column (31a) on the bottom surface of described inlet valve seat (31).
7. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 6, it is characterized in that: the diameter of the water inlet spool chamber (1c) of described one-way valve valve body (1) is greater than the diameter of water outlet spool chamber (1a) diameter of outlet passage (1b) in the middle of the diameter of described water outlet spool chamber (1a) is greater than; The accent of described water inlet spool chamber (1c) expands the inlet valve positioning chamber that is shaped with positioning assembling inlet valve seat (31), and the accent place of described water outlet spool chamber (1a) extends axially and expands the outlet valve positioning chamber that is shaped with positioning assembling water outlet spring seat (21).
8. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 7, it is characterized in that: described water inlet spool chamber (1c) is positioned at the connecting body (12) of one-way valve valve body (1), plunger chamber (5a) sealing of the outer circumferential face of this connecting body (12) and plunger valve pocket (5) is nested and joins, and on the outer circumferential face of described connecting body (12), be shaped with one annular seal groove (12a), in described annular seal groove (12a), be embedded with into water seal ring (4), the outer circumferential face of described connecting body (12) is formed with the port ring surface of plunger chamber (5a) locates the location annular boss (12b) coordinating.
9. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 8, it is characterized in that: valve precursor (11) outer circumferential face of described one-way valve valve body (1) is shaped with at least one seal ring connected in star (11a) for fitting tight circle, described hoop water inlet conduit (1d) is arranged on the upper root position place being connected with connecting body (12) of valve precursor (11).
10. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 9, is characterized in that: described valve precursor (11) outer circumferential face is shaped with two seals annular groove (11a).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410132854.5A CN103867431B (en) | 2014-04-03 | 2014-04-03 | Plunger-type pump of high pressure cleaner Novel check valve structure |
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| CN201410132854.5A CN103867431B (en) | 2014-04-03 | 2014-04-03 | Plunger-type pump of high pressure cleaner Novel check valve structure |
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| CN103867431A true CN103867431A (en) | 2014-06-18 |
| CN103867431B CN103867431B (en) | 2016-03-02 |
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| CN201410132854.5A Active CN103867431B (en) | 2014-04-03 | 2014-04-03 | Plunger-type pump of high pressure cleaner Novel check valve structure |
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| CN105508235A (en) * | 2016-01-12 | 2016-04-20 | 老肯医疗科技股份有限公司 | Multiposition one-way valve |
| CN105927776A (en) * | 2016-05-26 | 2016-09-07 | 李明 | Multi-stage constant-flow adjustment faucet |
| CN107588000A (en) * | 2017-10-16 | 2018-01-16 | 绿田机械股份有限公司 | A kind of stable supercharging interlocks the jetting machine shut down |
| CN108097660A (en) * | 2018-01-18 | 2018-06-01 | 上海捷涌科技有限公司 | Air blowing device |
| CN109306954A (en) * | 2018-09-12 | 2019-02-05 | 宁波和合美佳电器有限公司 | Check valve for tooth flusher water pump |
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| CN113585944A (en) * | 2021-08-18 | 2021-11-02 | 费博文 | Energy-saving door and window |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1653516A1 (en) * | 1967-01-24 | 1971-08-26 | Licentia Gmbh | Oscillating piston pump |
| CN201650707U (en) * | 2010-03-05 | 2010-11-24 | 宁波富斯乐机械制造有限公司 | Self-sucking pump used for high-pressure washing machine |
| CN201943938U (en) * | 2010-11-30 | 2011-08-24 | 天津市聚能高压泵有限公司 | Liquid inlet/outlet valve group structure |
| CN201963541U (en) * | 2011-01-21 | 2011-09-07 | 物理农林机械科技(苏州)有限公司 | Water inlet/outlet valve assembly structure for plunger pump |
| CN202441587U (en) * | 2012-02-29 | 2012-09-19 | 西安宇星石油机械新技术开发有限公司 | Composite suction and discharge valve of radial plunger pump |
| CN202926593U (en) * | 2012-10-16 | 2013-05-08 | 天津市滨海新区塘沽诚帆精密铸造有限公司 | Water inlet-outlet valve structure |
| CN203730294U (en) * | 2014-04-03 | 2014-07-23 | 宁波勋辉电器有限公司 | Novel one-way valve structure of plunger pump of high-pressure cleaning machine |
-
2014
- 2014-04-03 CN CN201410132854.5A patent/CN103867431B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1653516A1 (en) * | 1967-01-24 | 1971-08-26 | Licentia Gmbh | Oscillating piston pump |
| CN201650707U (en) * | 2010-03-05 | 2010-11-24 | 宁波富斯乐机械制造有限公司 | Self-sucking pump used for high-pressure washing machine |
| CN201943938U (en) * | 2010-11-30 | 2011-08-24 | 天津市聚能高压泵有限公司 | Liquid inlet/outlet valve group structure |
| CN201963541U (en) * | 2011-01-21 | 2011-09-07 | 物理农林机械科技(苏州)有限公司 | Water inlet/outlet valve assembly structure for plunger pump |
| CN202441587U (en) * | 2012-02-29 | 2012-09-19 | 西安宇星石油机械新技术开发有限公司 | Composite suction and discharge valve of radial plunger pump |
| CN202926593U (en) * | 2012-10-16 | 2013-05-08 | 天津市滨海新区塘沽诚帆精密铸造有限公司 | Water inlet-outlet valve structure |
| CN203730294U (en) * | 2014-04-03 | 2014-07-23 | 宁波勋辉电器有限公司 | Novel one-way valve structure of plunger pump of high-pressure cleaning machine |
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| CN105508235A (en) * | 2016-01-12 | 2016-04-20 | 老肯医疗科技股份有限公司 | Multiposition one-way valve |
| CN105927776A (en) * | 2016-05-26 | 2016-09-07 | 李明 | Multi-stage constant-flow adjustment faucet |
| CN107588000A (en) * | 2017-10-16 | 2018-01-16 | 绿田机械股份有限公司 | A kind of stable supercharging interlocks the jetting machine shut down |
| CN108097660A (en) * | 2018-01-18 | 2018-06-01 | 上海捷涌科技有限公司 | Air blowing device |
| CN108097660B (en) * | 2018-01-18 | 2024-01-12 | 上海捷涌科技有限公司 | Air blowing device |
| CN109306954A (en) * | 2018-09-12 | 2019-02-05 | 宁波和合美佳电器有限公司 | Check valve for tooth flusher water pump |
| CN109869296A (en) * | 2019-03-27 | 2019-06-11 | 宁波水分子电器科技有限公司 | Pump unit for jetting machine |
| CN109869295A (en) * | 2019-03-27 | 2019-06-11 | 宁波水分子电器科技有限公司 | Plunger unit, pump and jetting machine |
| CN111042892A (en) * | 2019-12-25 | 2020-04-21 | 潍柴动力股份有限公司 | Plunger type pressure limiting valve and engine with same |
| CN111579025A (en) * | 2020-05-30 | 2020-08-25 | 山东五牛技术服务有限责任公司 | Automatic cleaning method for novel filter for ship water gauge observation |
| CN113585944A (en) * | 2021-08-18 | 2021-11-02 | 费博文 | Energy-saving door and window |
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