CN103867431B - Plunger-type pump of high pressure cleaner Novel check valve structure - Google Patents
Plunger-type pump of high pressure cleaner Novel check valve structure Download PDFInfo
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- CN103867431B CN103867431B CN201410132854.5A CN201410132854A CN103867431B CN 103867431 B CN103867431 B CN 103867431B CN 201410132854 A CN201410132854 A CN 201410132854A CN 103867431 B CN103867431 B CN 103867431B
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Abstract
The invention discloses plunger-type pump of high pressure cleaner Novel check valve structure, comprise the one-way valve valve body being nested in and coaxially arranging with plunger valve pocket in plunger pump shell, one-way valve valve body is by being communicated with equipped connecting body and valve precursor forms with the plunger chamber of plunger valve pocket, this one-way valve valve body is penetrating is shaped with the spool chamber being communicated with plunger chamber; Spool chamber comprises the water outlet spool chamber be 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 shaped with the hoop water inlet conduit coordinating plunger pump shell to be formed with annular water inlet flow channel, is shaped with the middle water inlet flow channel being communicated with water inlet spool chamber in hoop water inlet conduit; Be fitted with the water outlet nonreturn valve core assembly opening and closing with middle outlet passage and coordinate in water outlet spool chamber, in water inlet spool chamber, be fitted with the water feeding one-way valve core assembly opening and closing with middle water inlet flow channel and coordinate.Compact structure of the present invention, volume are little, reasonable in design, can meet the usage requirement of plunger-type pump of high pressure cleaner.
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 utilizes the plunger reciprocates in driven by motor cylinder body to carry out work, and the to-and-fro motion of plunger makes the volume in cylinder body change thus realizes the suction of rinse water.In order to discharge on request when ensureing rinse water suction, high-pressure wash water can not be flowed out from feed-water end, and washing machine plunger pump is fitted with one-way valve usually.In prior art, because the assembly structure of one-way valve and the pump housing is complicated, cause the volume of whole machine comparatively huge, and general one-way valve water inlet valve port only has one, inflow is usually 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 sealing and be nested in the one-way valve valve body coaxially arranged with plunger valve pocket in plunger pump shell, one-way valve valve body is made up of the valve precursor being communicated with equipped connecting body and column construction with the plunger chamber of plunger valve pocket, and this one-way valve valve body is axially penetrating is shaped with the spool chamber being communicated with plunger chamber; Spool chamber comprises the water outlet spool chamber be 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 shaped with the hoop water inlet conduit coordinating plunger pump shell to be formed with annular water inlet flow channel along whole circumference, the medium radian of hoop water inlet conduit is shaped with at least one middle water inlet flow channel being communicated with water inlet spool chamber; Be fitted with the water outlet nonreturn valve core assembly opening and closing with middle outlet passage and coordinate in water outlet spool chamber, in water inlet spool chamber, be fitted with the water feeding one-way valve core assembly opening and closing with middle water inlet flow channel and coordinate.
For optimizing technique scheme, the measure taked 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 with the water outlet road junction sealing top of middle outlet passage and matches, water outlet pressure mounting of the spring is in water outlet spring seat, one end of this water outlet spring and the bottom surface phase apical grafting of water outlet spring seat, the other end and the water outlet spool phase apical grafting of this water outlet spring.
Above-mentioned water outlet spring seat is shaped with the spring cavity preventing water outlet spring to be subjected to displacement, water outlet spring is arranged in spring cavity, the bottom surface of water outlet spring seat constitutes 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 being 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 be fixedly inlaid in in water spool chamber, on inlet valve seat, water inlet flow channel middle with each is corresponding is fitted with the spool group be made up of with valve ball of intaking spring of intaking, water inlet valve ball seal phase apical grafting with the water outlet of middle water inlet flow channel, the two ends of spring of intaking 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 being communicated with water inlet spool chamber and plunger chamber, and the bottom surface of this inlet valve seat has been shaped with the positioning guide column preventing from being subjected to displacement into water spring, and water inlet spring matches with positioning guide column is sheathed.
The hoop water inlet conduit medium radian of above-mentioned one-way valve valve body is uniform is shaped with water inlet flow channels in the middle of four roads, two adjacent middle water inlet flow channels apart 90 degree, and the bottom surface of correspondingly inlet valve seat is 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, and the diameter of water outlet spool chamber is greater than the diameter of middle outlet passage; The accent of water inlet spool chamber expands the inlet valve positioning chamber being shaped with positioning assembling inlet valve seat, and the accent place of water outlet spool chamber axially extends the outlet valve positioning chamber expanding and be 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 outer circumferential face of this connecting body and the plunger chamber of plunger valve pocket seal to be nested joins, and the outer circumferential face of connecting body is shaped with one annular seal groove, be embedded with into water seal ring in annular seal groove, the outer circumferential face of connecting body is formed with the location annular boss with the port ring surface location fit of plunger chamber.
The valve precursor outer circumferential face of above-mentioned one-way valve valve body is shaped with at least one for the seal ring connected in star of fitting tight circle, and hoop water inlet conduit is arranged on the root position place that valve precursor is connected with connecting body.
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 to be set in plunger pump shell directly and plunger valve pocket matches fills, one-way valve system has the water outlet spool chamber be axially communicated with, 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 coordinating plunger pump shell to be formed with annular water inlet flow channel, water outlet nonreturn valve core assembly is fitted with in water outlet spool chamber, be fitted with water feeding one-way valve core assembly in water inlet spool chamber, 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 assemble;
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 sealing and to be nested in plunger pump shell 6 the coaxial one-way valve valve body 1 arranged with plunger valve pocket 5, one-way valve valve body 1 is made up of the valve precursor 11 being 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 axially penetrating is shaped with the spool chamber being communicated with plunger chamber 5a; Spool chamber comprises the water outlet spool chamber 1a be communicated with successively, middle outlet passage 1b and water inlet spool chamber 1c backward by valve precursor 11; The outer circumferential face of one-way valve valve body 1 is shaped with the hoop water inlet conduit 1d coordinating plunger pump shell 6 to be formed with annular water inlet flow channel D along whole circumference, the medium radian of hoop water inlet conduit 1d is shaped with at least one middle water inlet flow channel 1e being communicated with water inlet spool chamber 1c; The water outlet nonreturn valve core assembly 2 opening and closing with middle outlet passage 1b and coordinate is fitted with in water outlet spool chamber 1a, be fitted with in water inlet spool chamber 1c and open and close with middle water inlet flow channel 1e the water feeding one-way valve core assembly 3 coordinated, thus form the combination check valve structure that a kind of one set has water-in and water-out one-way valve, 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 constitute 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, thus the path increased into water, make into water more smooth, resistance is less.Can see from Fig. 1 and Fig. 2, one-way valve valve body 1 of the present invention is directly nested in plunger pump shell 6 to be 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.In Fig. 1 of the present invention, filled arrows is the direction of water inlet and outlet, and hollow arrow is the moving direction of plunger 7.
In order to optimize the performance of this product further, in embodiment as shown in Figure 4, water outlet nonreturn valve core assembly 2 comprises the water outlet spring seat 21, water outlet spring 22 and the water outlet spool 23 that match and assemble; Water outlet spring seat 21 is fixedly nested in water outlet spool chamber 1a, water outlet spool 23 connects with the water outlet road junction sealing top of middle outlet passage 1b and matches, water outlet spring 22 is fitted in water outlet spring seat 21, one end of this water outlet spring 22 and the bottom surface phase apical grafting of water outlet spring seat 21, the other end and the water outlet spool 23 phase apical grafting of this water outlet spring 22.As can see from Figure 1, water outlet spool 23 seals with the water outlet road junction of middle outlet passage 1b and matches under the top pressure effect of water outlet spring 22, only have when the high pressure water pressure acted on water outlet spool 23 in middle outlet passage 1b 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.
Please continue see Fig. 4 in embodiment, water outlet spring seat 21 is shaped with the spring cavity 21a preventing water outlet spring 22 to be subjected to displacement, water outlet spring 22 is arranged in spring cavity 21a, the bottom surface of water outlet spring seat 21 constitutes 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 being connected to sealing head the seal header joints of spherical arc shape, and water outlet spring 22 and cylindricality valve rod are nested and establish.Water outlet spool 23 of the present invention is in mushroom project organization.
Incorporated by reference to Fig. 1 and Fig. 5 in embodiment, water feeding one-way valve core assembly 3 comprises the inlet valve seat 31 be fixedly inlaid in in water spool chamber 1c, on inlet valve seat 31, water inlet flow channel 1e middle with each is corresponding is fitted with the spool group be made up of with valve ball 33 of intaking spring 32 of intaking, water inlet valve ball 33 seal phase apical grafting with the water outlet of middle water inlet flow channel 1e, the two ends of spring 32 of intaking 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 being communicated with water inlet spool chamber 1c and plunger chamber 5a, and the bottom surface of this inlet valve seat 31 has been shaped with the positioning guide column 31a preventing from being subjected to displacement into water spring 32, water inlet spring 32 matches with positioning guide column 31a is sheathed.
In embodiment, the medium radian of the hoop of one-way valve valve body 1 water inlet conduit 1d is uniform to be shaped with in the middle of four roads water inlet flow channel 1e, two adjacent middle water inlet flow channel 1e at a distance of 90 degree, and the bottom surface of correspondingly inlet valve seat 31 is shaped with four positioning guide column 31a.
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, and the diameter of water outlet spool chamber 1a is greater than the diameter of middle outlet passage 1b; The accent of water inlet spool chamber 1c expands the inlet valve positioning chamber being shaped with positioning assembling inlet valve seat 31, and the accent place of water outlet spool chamber 1a axially extends the outlet valve positioning chamber expanding and be 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 outer circumferential face of this connecting body 12 and the plunger chamber 5a of plunger valve pocket 5 seal to be nested and join, and the outer circumferential face of connecting body 12 is shaped with one annular seal groove 12a, be embedded with in annular seal groove 12a into water seal ring 4, the outer circumferential face of connecting body 12 is formed with the location annular boss 12b with the port ring surface location fit of plunger chamber 5a.
In embodiment, valve precursor 11 outer circumferential face of one-way valve valve body 1 is shaped with at least one for the seal ring connected in star 11a of fitting tight circle, and hoop water inlet conduit 1d is arranged on the root position place that valve precursor 11 is connected with connecting body 12.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: when plunger 7 moves downward, volume due to plunger chamber 5a increases generation negative pressure, thus the pressure into water spool chamber 1c is reduced, 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 then can back down and enter successively into water spool chamber 1c and plunger chamber 5a into water valve ball 33, thus completes water absorption course.Otherwise when plunger 7 moves upward, because the volume of plunger chamber 5a reduces, inner hydraulic pressure is increased, water inlet valve ball 33 closes middle water inlet flow channel 1e under the double action of high pressure water with 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, thus complete High Pressure Drain process.
Claims (8)
1. plunger-type pump of high pressure cleaner Novel check valve structure, comprise sealing and to be nested in plunger pump shell (6) the coaxial one-way valve valve body (1) arranged with plunger valve pocket (5), it is characterized in that: described one-way valve valve body (1) is made up of the valve precursor (11) being 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 axially penetrating is shaped with the spool chamber being communicated with plunger chamber (5a); Described spool chamber comprises the water outlet spool chamber (1a) be communicated with successively, middle outlet passage (1b) and water inlet spool chamber (1c) backward by valve precursor (11); The outer circumferential face of described one-way valve valve body (1) is shaped with hoop water inlet conduit (1d) coordinating plunger pump shell (6) to be formed with annular water inlet flow channel (D) along whole circumference, described hoop water inlet conduit (1d) medium radian is shaped with at least one middle water inlet flow channel (1e) being communicated with water inlet spool chamber (1c); Be fitted with the water outlet nonreturn valve core assembly (2) opening and closing with middle outlet passage (1b) and coordinate in described water outlet spool chamber (1a), in described water inlet spool chamber (1c), be fitted with the water feeding one-way valve core assembly (3) opening and closing with middle water inlet flow channel (1e) and coordinate; Described water feeding one-way valve core assembly (3) comprises the inlet valve seat (31) be fixedly inlaid in in water spool chamber (1c), described inlet valve seat (31) is upper correspondingly with the middle water inlet flow channel (1e) described in each is fitted with the spool group be made up of intake spring (32) and valve ball (33) of intaking, described water inlet valve ball (33) seals phase apical grafting with the water outlet of middle water inlet flow channel (1e), the two ends of described water inlet spring (32) respectively with the bottom surface phase apical grafting of water inlet valve ball (33) and inlet valve seat (31); The bottom surface of described inlet valve seat (31) is shaped with the paddle hole being communicated with water inlet spool chamber (1c) and plunger chamber (5a), and the bottom surface of this inlet valve seat (31) has been shaped with the positioning guide column (31a) preventing from being subjected to displacement into water spring (32), described water inlet spring (32) matches with positioning guide column (31a) is sheathed.
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 with the water outlet road junction sealing top of middle outlet passage (1b) and matches, described water outlet spring (22) is fitted in water outlet spring seat (21), one end of this water outlet spring (22) and the bottom surface phase apical grafting of water outlet spring seat (21), the other end and water outlet spool (23) the phase apical grafting of this water outlet spring (22).
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) preventing water outlet spring (22) to be subjected to displacement, described water outlet spring (22) is arranged in spring cavity (21a), the bottom surface of described water outlet spring seat (21) constitutes 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 being connected to sealing head the seal header joints of spherical arc shape, described water outlet spring (22) and cylindricality valve rod are nested and establish.
4. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 3, it is characterized in that: hoop water inlet conduit (1d) the medium radian of described one-way valve valve body (1) is uniform is shaped with water inlet flow channel (1e) in the middle of four roads, two adjacent described middle water inlet flow channels (1e), at a distance of 90 degree, the bottom surface of correspondingly described inlet valve seat (31) are shaped with four positioning guide column (31a).
5. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 4, 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), the diameter of described water outlet spool chamber (1a) is greater than the diameter of middle outlet passage (1b); The accent of described water inlet spool chamber (1c) expands the inlet valve positioning chamber being shaped with positioning assembling inlet valve seat (31), and the accent place of described water outlet spool chamber (1a) axially extends the outlet valve positioning chamber that expansion is shaped with positioning assembling water outlet spring seat (21).
6. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 5, 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), the outer circumferential face of this connecting body (12) and the plunger chamber (5a) of plunger valve pocket (5) seal to be nested joins, and the outer circumferential face of described connecting body (12) is shaped with one annular seal groove (12a), be embedded with in described annular seal groove (12a) into water seal ring (4), the outer circumferential face of described connecting body (12) is formed with the location annular boss (12b) with the port ring surface location fit of plunger chamber (5a).
7. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 6, 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 for the seal ring connected in star (11a) of fitting tight circle, and described hoop water inlet conduit (1d) is arranged on the upper root position place be connected with connecting body (12) of valve precursor (11).
8. plunger-type pump of high pressure cleaner Novel check valve structure according to claim 7, is characterized in that: described valve precursor (11) outer circumferential face is shaped with two seals annular groove (11a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 CN103867431A (en) | 2014-06-18 |
| CN103867431B true 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023052051A1 (en) * | 2021-09-30 | 2023-04-06 | Hammelmann GmbH | Valve system of a high-pressure plunger pump, and high-pressure plunger pump |
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| CN111927761A (en) * | 2020-08-25 | 2020-11-13 | 江苏金飞达电动工具有限公司 | Water inlet and outlet structure of plunger high-pressure pump |
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|---|---|
| CN103867431A (en) | 2014-06-18 |
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