CN204466693U - Pressure angle equal logatithmic spiral nozzle gardens spray gun - Google Patents
Pressure angle equal logatithmic spiral nozzle gardens spray gun Download PDFInfo
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- CN204466693U CN204466693U CN201420866629.XU CN201420866629U CN204466693U CN 204466693 U CN204466693 U CN 204466693U CN 201420866629 U CN201420866629 U CN 201420866629U CN 204466693 U CN204466693 U CN 204466693U
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Abstract
Pressure angle equal logatithmic spiral nozzle gardens spray gun, labyrinth seal is set up at the improvement pump housing, original O type piston ring is improved on the basis of L-type piston ring, original spray core that can not move is improved to movable spray core, and original multiple-grooved has been changed into constant acceleration curve nozzle, in order to raising ejection quality.Because movable spray core has constant acceleration curve to rise twist, and the top of every groove is provided with sulculus (35b), and the bottom of sulculus is parabolical, is conducive to parabolic and flees; Cone (35c) is provided with, so be more conducive to the spout of nozzle (37) suitable at the top of movable spray core; Again because sulculus (35b) and cone (35c) pass through mutually, and sulculus (35b) communicates with groove (35a), and favourable fluid is at bottom eddy flow and gather gesture at top.There is the spray blast pump of spraying agricultural chemicals to be solve residue many agricultural chemicals spray not go out the problem of also wasting, at the bottom of tank, add appearance suction pipe floor level give prominence to the convex and gag of bottle.
Description
Technical field
The present invention relates to a kind of for gardens, the inflating pump of the low pressure atomizing spray gun of gardening, especially the manual pressure angle equal logatithmic spiral nozzle gardens spray gun having spraying agricultural chemicals of low pressure atomizing water spray or agricultural chemicals, also be the spray blast pump having constant acceleration curve nozzle, belong to the inflating pump technical field in injection apparatus.
Background technology
For gardens, the inflating pump of the low pressure atomizing spray gun of gardening, is widely used in inflating by the mode selected by the hobby of people.The mouth of pipe of the dress suction hose (11) on the pump housing of existing inflating pump, with the delivery port of pump cover (5), owing to being the mouth of pipe pushing down the dress suction hose (11) on the pump housing of inflating pump by pump cover, and the major thread bottleneck of large blow-molded container is screwed in by the internal thread of pump cover (5), well imagine, the mouth of pipe of described dress suction hose (11), with the delivery port of pump cover (5), sealing between both, anti-leak is a hard nut to crack.Secondly, the durable sealing of piston ring, anti-leak is also difficult to.Moreover the spray core that can not move of low pressure atomizing spray gun also affects the homogeneous quality of ejecta.Remain many agricultural chemicals not spray and also waste.
Summary of the invention
In order to make up spray blast pump existing mechanism caused by the shortcoming of duty, the present invention sets up labyrinth seal, to improve on the basis of leakage present situation of inflating pump at the improvement pump housing; And original O type piston ring is improved to L-type piston ring, on the leakage improving inflating pump further and durable basis; Now provide especially and original spray core that can not move is improved to movable spray core, and original 2 grooves are changed into multiple-grooved, particularly have parabolical 4 grooves, in order to raising ejection quality.
The technical solution used in the present invention is:
Have the gardens spray blast pump of constant acceleration curve nozzle, pump housing top adopts the inflating pump having labyrinth seal, and the installation site of laying suction hose on the pump housing (10) top is provided with labyrinth seal; Described labyrinth seal primarily of sealing ring (6a), sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a) formed; So as the mouth of pipe of the dress suction hose (11) on the pump housing of inflating pump and the delivery port of pump cover (5) suitable.There is the inflating pump of labyrinth seal, screwed in the major thread bottleneck of the blow-molded container of contain fluid by the internal thread of the big circumference of pump cover (5), the described inflating pump having labyrinth seal, by handle (1), plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), pump cover (5), suction hose rubber pad (6), piston one-way valve spring (7), piston nonreturn valve core (7a), piston (8), piston ring (9), the pump housing (10) and the sealing ring (6a) which is provided with, sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a), suction hose (11), pressure-reducing valve (12), pump pad (13), air cushion sheet (14) formed.Separately there is supporting boom jet nozzle assembly can cooperating at the water outlet of the pump cover (5) of inflating pump.Described handle (1) is actively through the macropore at pump cover (5) center, interlock with piston (8), and be pressed with piston one-way valve spring (7) and piston nonreturn valve core (7a) in the centre of handle (1) and piston (8).Described piston (8) be equiped with piston ring (9) external rings week, the pump housing (10) described in insertion is also reciprocally movable.The You Shuo hole, bottom of the described pump housing (10), is provided with air cushion sheet, and described air cushion sheet is rubberlike flexible piece, forms actual check valve.The outside of the delivery port of described pump cover (5) is installed into plastic spacer (2) successively, fluorubber ball (3), pump cover exit spring (4), and forms the check valve in exit.Sealing ring (6a) that the particularly described pump housing (10) is provided with, sealing ring (4a), sealing ring (3a) is the center of circle of same delivery port; And sealing ring (1a), sealing ring (2a), sealing ring (5a) is with the circle core shaft concentric of the pump housing (10).Pressure-reducing valve (12) is located on the pump housing, and pressure is excessive to be washed open.Pump pad (13) is pressed in the bottleneck of large blow-molded container by pump housing limit.External rings week installing piston ring (9) of described piston (8) also must fat liquoring.Described piston nonreturn valve core (7a) is preferably advisable with fluorubber.The piston ring (9) now improved is not original circle, and it is characterized in that as Fig. 4 the L shape of looking, add columnar shirt rim (9a) in the outer ring of original O type circle, the outermost circumference of particularly described shirt rim (9a) conically, that is, the external diameter near one end of opening part is a bit larger tham the external diameter of the one end near O shape place; Also be provided with in the junction of O type circle and columnar inside circle grooving (9b) resembling push broach groove sample cut out, so that the easier micro stretching contracting in the shirt rim of piston ring.The O type circle part of the piston ring (9) of described L shape is still arranged on the former position of laying piston ring of piston (8) as before, preferably one end of the opening part of the piston ring (9) of described L shape at the bottom of pump, i.e. handle dorsad.The selection of the piston ring (9) of described L shape can use rubber-like, flexible plastic class, leather, fabric, particularly uses itrile group butadiene (NITRILE-BUTADIENR RUBBER) to be advisable.
Above-described inflating pump, screwed in the major thread bottleneck of large blow-molded container (53) as shown in Figure 5 by the internal thread of the big circumference of pump cover (5), also will install supporting boom jet nozzle assembly at the water outlet of the pump cover of inflating pump (5) and carry out cooperating.In order to make up spray blast pump existing mechanism caused by the shortcoming of duty, the present invention is at the improvement pump housing, set up labyrinth seal, and original O type piston ring is improved on the basis of L-type piston ring, now provide especially and original spray core that can not move is improved to movable spray core, and its original 2 grooves are changed into multiple-grooved, particularly there are parabolical 4 grooves, in order to raising ejection quality.The described supporting boom jet nozzle assembly having the spray blast pump of movable spray core, by clip (31), switch main body (32), sparge pipe (33), nozzle boss (34), movable spray core (35), nozzle boss sealing ring (36), nozzle (37), switch spring (38), switch seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44), aqueduct (45), trigger (46), handle main body (47), body (48) after handle, interface locknut (49), interface (50), sealing joint circle (51), and formed around pipe support (52), it is characterized in that, described clip (31) is connected aqueduct (45) and switch main body (32), and the front portion of switch main body (32) and sparge pipe (33) are connected, front portion and the nozzle boss (34) of sparge pipe (33) are connected, the thread root of the outside of nozzle boss (34) is equipped with nozzle boss sealing ring (36), and movable spray core (35) is equipped with in the inside of nozzle boss (34), the screw thread of the internal thread of nozzle (37) and the outside of nozzle boss (34) is connected, switch spring (38) and switch main body (32) are connected, and valve core seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44) is arranged on switch main body (32) respectively successively and above forms threshold switch, the rear end of aqueduct (45) is through the mesopore that body (48) after the handle main body (47) of trigger (46) and handle is housed outward, and be connected with interface locknut (49) and interface (50) and sealing joint circle (51), final aqueduct (45) inserts in the delivery port of the pump cover (5) of inflating pump by interface locknut (49) and interface (50) and sealing joint circle (51), with by plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), the check valve that pump cover (5) forms is connected., when just newly having taken packaged goods, be wound with aqueduct (45) thereon as the effect spoken of around pipe support (52); And go far away from pipe support when using.The feature of described movable spray core is, its profile is on the cylinder, has dug multiple-grooved (35a), and the helical constant acceleration curve of described groove rises, and the bottom of described groove is comparatively large, less to top; And the top of every groove is provided with sulculus (35b), the bottom of sulculus is parabolical; Cone (35c) is provided with at the top of described movable spray core; Sulculus (35b) passes through mutually with cone (35c), and sulculus (35b) communicates with groove (35a); Blind hole (35d) is also provided with in the bottom of described movable spray core.Movable spray core (35) is loaded in the inside of nozzle boss (34), the spout of the close nozzle (37) of cone (35c) at the top of movable spray core (35), and the screw thread of the outside of the internal thread of nozzle (37) and nozzle boss (34) is connected.
The invention has the beneficial effects as follows: the design improves the pump housing in employing and sets up labyrinth seal, and original O type piston ring is improved on the basis of L-type piston ring, now provide especially and original spray core that can not move is improved to movable spray core, and its original 2 grooves are changed into multiple-grooved, particularly there is constant acceleration curve nozzle, significantly improve ejection quality; This have constant acceleration curve and have the spray blast pump of the nozzle of movable spray core, improves sealing property and the operating mode quality of this series products.
Have the gardens spray blast pump of constant acceleration curve nozzle, pump housing top adopts the inflating pump having labyrinth seal, and the installation site of laying suction hose on the pump housing (10) top is provided with labyrinth seal; Described labyrinth seal primarily of sealing ring (6a), sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a) formed; So as the mouth of pipe of the dress suction hose (11) on the pump housing of inflating pump and the delivery port of pump cover (5) suitable.There is the inflating pump of labyrinth seal, screwed in the major thread bottleneck of the blow-molded container of contain fluid by the internal thread of the big circumference of pump cover (5), the described inflating pump having labyrinth seal, by handle (1), plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), pump cover (5), suction hose rubber pad (6), piston one-way valve spring (7), piston nonreturn valve core (7a), piston (8), piston ring (9), the pump housing (10) and the sealing ring (6a) which is provided with, sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a), suction hose (11), pressure-reducing valve (12), pump pad (13), air cushion sheet (14) formed.Separately there is supporting boom jet nozzle assembly can cooperating at the water outlet of the pump cover (5) of inflating pump.Described handle (1) is actively through the macropore at pump cover (5) center, interlock with piston (8), and be pressed with piston one-way valve spring (7) and piston nonreturn valve core (7a) in the centre of handle (1) and piston (8).Described piston (8) be equiped with piston ring (9) external rings week, the pump housing (10) described in insertion is also reciprocally movable.The You Shuo hole, bottom of the described pump housing (10), is provided with air cushion sheet, and described air cushion sheet is rubberlike flexible piece, forms actual check valve, the outside of the delivery port of described pump cover (5) is installed into plastic spacer (2) successively, fluorubber ball (3), pump cover exit spring (4), and forms the check valve in exit, sealing ring (6a) that the described pump housing (10) is provided with, sealing ring (4a), sealing ring (3a) is the center of circle of same delivery port, and sealing ring (1a), sealing ring (2a), sealing ring (5a) is with the circle core shaft concentric of the pump housing (10), pressure-reducing valve (12) is located on the pump housing, and pressure is excessive to be washed open, pump pad (13) is pressed in the bottleneck of large blow-molded container by pump housing limit, external rings week installing piston ring (9) of described piston (8) also must fat liquoring, described piston nonreturn valve core (7a) fluorubber, piston ring (9) adds columnar shirt rim (9a) in the outer ring of original O type circle, the outermost circumference of described shirt rim (9a) conically, that is, the external diameter near one end of opening part is a bit larger tham the external diameter of the one end near O shape place, also be provided with in the junction of O type circle and columnar inside circle grooving (9b) resembling push broach groove sample cut out, so that the easier micro stretching contracting in the shirt rim of piston ring, the cross section of described grooving (9b) is the logatithmic spiral that pressure angle is equal everywhere, the O type circle part of the piston ring (9) of described L shape is still arranged on the former position of laying piston ring of piston (8) as before, and one end of the opening part of the piston ring (9) of described L shape at the bottom of pump, i.e. handle dorsad, described inflating pump, screwed in the major thread bottleneck of blow-molded container (53) by the internal thread of the big circumference of pump cover (5), also will install supporting boom jet nozzle assembly at the water outlet of the pump cover of inflating pump (5) and carry out cooperating, original spray core that can not move is improved to movable spray core, and its original 2 grooves are changed into multiple-grooved, there is the supporting boom jet nozzle assembly of the spray blast pump of movable spray core, by clip (31), switch main body (32), sparge pipe (33), nozzle boss (34), movable spray core (35), nozzle boss sealing ring (36), nozzle (37), switch spring (38), switch seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44), aqueduct (45), trigger (46), handle main body (47), body (48) after handle, interface locknut (49), interface (50), sealing joint circle (51), and formed around pipe support (52), described clip (31) is connected aqueduct (45) and switch main body (32), and the front portion of switch main body (32) and sparge pipe (33) are connected, front portion and the nozzle boss (34) of sparge pipe (33) are connected, the thread root of the outside of nozzle boss (34) is equipped with nozzle boss sealing ring (36), and movable spray core (35) is equipped with in the inside of nozzle boss (34), the screw thread of the internal thread of nozzle (37) and the outside of nozzle boss (34) is connected, switch spring (38) and switch main body (32) are connected, and valve core seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44) is arranged on switch main body (32) respectively successively and above forms threshold switch, the rear end of aqueduct (45) is through the mesopore that body (48) after the handle main body (47) of trigger (46) and handle is housed outward, and be connected with interface locknut (49) and interface (50) and sealing joint circle (51), final aqueduct (45) inserts in the delivery port of the pump cover (5) of inflating pump by interface locknut (49) and interface (50) and sealing joint circle (51), with by plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), the check valve that pump cover (5) forms is connected, , when just newly having taken packaged goods, be wound with when aqueduct (45) uses thereon and go far around pipe support as the effect spoken of around pipe support (52), the described gardens spray blast pump having constant acceleration curve nozzle, formed by inflating pump with by the boom jet nozzle assembly of movable spray core and the blow-molded container of described contain fluid, is provided with cone (35c) at the top of described movable spray core, sulculus (35b) passes through mutually with cone (35c), and sulculus (35b) communicates with groove (35a), blind hole (35d) is also provided with in the bottom of described movable spray core, and the top of every groove is provided with sulculus (35b), movable spray core (35) is loaded in the inside of nozzle boss (34), the spout of the close nozzle (37) of cone (35c) at the top of movable spray core (35), and the screw thread of the outside of the internal thread of nozzle (37) and nozzle boss (34) is connected, its profile of described movable spray core has dug multiple-grooved (35a) on the cylinder, it is characterized in that: described pressure angle equal logatithmic spiral nozzle gardens spray gun its have the helical logatithmic spiral of described groove of constant acceleration curve nozzle and equiangular spiral curve to rise, do not waste for solving the many agricultural chemicals sprays of residue, the blow-molded container of described contain fluid adds and holds at the bottom of suction pipe floor level bottle convex (53a) at the bottom of tank.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, the described groove that the helical constant acceleration curve its profile of described movable spray core being dug multiple-grooved (35a) rises has 3.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, it is circular that the blow-molded container of described contain fluid adds the cross section holding convex (53a) at the bottom of suction pipe floor level bottle at the bottom of tank.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, it is truncated cone-shaped that the blow-molded container of described contain fluid adds the cross section holding convex (53a) at the bottom of suction pipe floor level bottle at the bottom of tank.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle has can opening and closing mouth.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle is provided with can the cork of opening and closing mouth.
Through the pressure angle equal logatithmic spiral nozzle gardens spray gun improved and described in improvement, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle is provided with can the spiral tapping lid of opening and closing mouth.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic perspective view of the pump housing (10) having multiple labyrinth seal ring.
Fig. 2 is exploded perspective view of the present invention.
Fig. 3 is the schematic perspective view of L-type piston ring.
Fig. 4 is the generalized section of L-type piston ring.
Fig. 5 is self-contained schematic diagram.
Fig. 6 is the schematic perspective view of movable spray core (35); Which is provided with parabolic spiral multiple-grooved (35a), parabolic sulculus (35b), cone (35c), hole (35d).
Fig. 7 is the fluid operating schematic diagram that movable spray core (35) loads nozzle; Fluid arrow represents.
Fig. 8 is the vertical view of movable spray core (35).
Fig. 9 is the upward view of movable spray core (35).
Figure 10 is the end view of movable spray core (35).
As shown in the figure, in figure:
1. are handle (1);
2. are plastic spacer (2);
3. are fluorubber ball (3);
4. are pump cover exits spring (4);
5. are pump cover (5);
6. are suction hose rubber pads (6);
7. are piston one-way valve spring (7);
7a. is piston nonreturn valve core (7a);
8. are piston (8);
9. are L-type piston ring (9); Which is provided with shirt rim (9a), grooving (9b);
10. are the pump housing (10); Which is provided with sealing ring (6a), sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a);
12. is pressure-reducing valve (12);
13. is pump pad (13);
14. is air cushion sheet (14);
31. is clip (31);
32. is switch main body (32);
33. is sparge pipe (33);
34. is nozzle boss (34);
35. is movable spray core (35); Which is provided with parabolic spiral multiple-grooved (35a), parabolic sulculus (35b), cone (35c), hole (35d);
36. is nozzle boss sealing ring (36);
37. is nozzle (37);
38. is switch spring (38);
39. is switch seal ring (39);
40. is spool pad (40);
41. is spool (41);
42. is valve core spring (42);
43. is spool pad (43);
44. is cartridge cover (44);
45. is aqueduct (45);
46. is trigger (46);
47. is handle main body (47);
48. is body after handle (48);
49. is interface locknut (49);
50. is interface (50);
51. is sealing joint circle (51);
52. is around pipe support (52);
53. is blow-molded container (53);
53a. adds at the bottom of the tank of blow-molded container to hold at the bottom of suction pipe floor level bottle convex (53a).
Embodiment
The present invention is used to have the inflating pump of L-type piston; Because the installation site of laying suction hose on the pump housing (10) top is provided with labyrinth seal, and described labyrinth seal is primarily of sealing ring (6a), sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a) formed, so the mouth of pipe of dress suction hose (11) on the pump housing of inflating pump and the delivery port of pump cover (5) be sealed with improvement.Install into handle (1) successively, plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), pump cover (5), suction hose rubber pad (6), piston one-way valve spring (7), piston nonreturn valve core (7a), piston (8), piston ring (9), the pump housing (10) and the sealing ring (6a) which is provided with, sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a), suction hose (11), pressure-reducing valve (12), pump pad (13), air cushion sheet (14), the inflating pump having labyrinth seal described in composition.Add liquid, the internal thread of the big circumference of pump cover (5) has been screwed in the major thread bottleneck of large blow-molded container; Install supporting boom jet nozzle assembly at the water outlet of the pump cover (5) of inflating pump again and get final product work.Time upper handle (1), piston (8) and piston ring (9) up, air cushion sheet (14) check valve closes, and outside air enters in pump through the piston nonreturn valve core (7a) opened; Time up, the direction of the shirt rim (9a) of L-type piston ring (9) is more suitable, because of opening backward, more easily pull out, comparatively less wear; And the grooving of the inside of L-type piston ring (9b) contribute to its stretch.When pressing down handle (1), piston nonreturn valve core (7a) closes, air cushion sheet (14) check valve is opened, air inlet, in large blow-molded container, pressure raises, thus liquid is through suction hose (11), the delivery port of few outward leakage through labyrinth seal, and through open by fluorubber ball (3), the check valve that pump cover exit spring (4) forms, then sprayed by supporting boom jet nozzle assembly; Time descending, the direction of the shirt rim (9a) of L-type piston ring (9) comparatively has some setbacks, because of opening forward, drive in the wrong direction, just there is micro-expansion described shirt rim, causes sealing tighter, and leak less, effect of inflating is better; And the grooving of the inside of L-type piston ring (9b) contributes to its flexible and expansion.So go round and begin again.Because, the described supporting boom jet nozzle assembly having the spray blast pump of movable spray core, by clip (31), switch main body (32), sparge pipe (33), nozzle boss (34), movable spray core (35), nozzle boss sealing ring (36), nozzle (37), switch spring (38), switch seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44), aqueduct (45), trigger (46), handle main body (47), body (48) after handle, interface locknut (49), interface (50), sealing joint circle (51), and formed around pipe support (52), again because, described clip (31) connects firmly aqueduct (45) and switch main body (32) mutually, and the front portion of switch main body (32) and sparge pipe (33) are connected, front portion and the nozzle boss (34) of sparge pipe (33) are connected, the thread root of the outside of nozzle boss (34) is equipped with nozzle boss sealing ring (36), and movable spray core (35) is equipped with in the inside of nozzle boss (34), the screw thread of the internal thread of nozzle (37) and the outside of nozzle boss (34) is connected, switch spring (38) and switch main body (32) are connected, and valve core seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44) is arranged on switch main body (32) respectively successively and above forms threshold switch, the rear end of aqueduct (45) is through the mesopore that body (48) after the handle main body (47) of trigger (46) and handle is housed outward, and be connected with interface locknut (49) and interface (50) and sealing joint circle (51), final aqueduct (45) inserts in the delivery port of the pump cover (5) of inflating pump by interface locknut (49) and interface (50) and sealing joint circle (51), with by plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), the check valve that pump cover (5) forms is connected, so, when upper handle (1), piston (8) and piston ring (9) up, air cushion sheet (14) check valve closes, outside air enters in pump through the piston nonreturn valve core (7a) opened, simultaneously, at described plastic spacer (2), fluorubber ball (3), the closed check valve that pump cover exit spring (4) forms, described boom jet nozzle assembly is in intermittent condition.When pressing down handle (1), piston nonreturn valve core (7a) closes, air cushion sheet (14) check valve is opened, air inlet, ((53) interior pressure raises large blow-molded container, thus liquid is through suction hose (11), the delivery port of the pump cover (5) of few outward leakage through labyrinth seal, and through open by described plastic spacer (2), fluorubber ball (3), the check valve that pump cover exit spring (4) forms, aqueduct (45) is entered again by inserting interface locknut (49) in the delivery port of the pump cover (5) of inflating pump and interface (50) and sealing joint circle (51), namely enter this supporting boom jet nozzle assembly., when just newly having taken packaged goods, be wound with aqueduct (45) thereon as the effect spoken of around pipe support (52); And go far away from pipe support when using.In like manner, during packed state, in order to shorten volume, the Long Circle button of switch main body (32), under the effect of switch spring (38), prominent to be stuck in the Long Circle hole of one end of body (48) after the close handle of handle main body (47).In use, go far around pipe support; In like manner, during duty, in order to stretch out boom jet nozzle, the Long Circle button of buck switch main body (32) is pressed with hand, and pull boom jet nozzle, make switch main body (32) and the large step reach of Long Circle button, under the effect of switch spring (38), prominent be stuck in handle main body (47) near be equipped with outward trigger (46) handle main body (47) one end Long Circle hole in, and automatically make handle main body (47) corresponding with trigger (46); When pressing trigger (46), just make by switch seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), the spool (41) of the switch valve that cartridge cover (44) forms moves down and valve is opened; The fluid-mixing of liquid and gas is just through interface locknut (49) and interface (50) and sealing joint circle (51), and by aqueduct (45) and threshold switch, again by sparge pipe (33), enter by nozzle boss (34), movable spray core (35), the nozzle that nozzle boss sealing ring (36) and nozzle (37) form.Because the feature of described movable spray core is, its profile is on the cylinder, has dug parabolical multiple-grooved (35a), particularly 4 grooves, groove rises twist, and the bottom of described groove is larger, less to top, so favourable fluid is at bottom eddy flow and gather gesture at top; And the top of every groove is provided with sulculus (35b), the bottom of sulculus is parabolical, is conducive to parabolic and flees; Again owing to being provided with cone (35c) at the top of described movable spray core, so be more conducive to matching with the spout of nozzle (37); Again because sulculus (35b) and cone (35c) pass through mutually, and sulculus (35b) communicates with groove (35a); Load movable spray core (35) in the inside of nozzle boss (34), the cone (35c) at the top of movable spray core (35) near nozzle (37) spout and form imperative nozzle and make it ejection.And the screw thread of the outside of the internal thread of nozzle (37) and nozzle boss (34) is connected and makes it to seal.Also be provided with blind hole (35d) in the bottom of described movable spray core, not only made to eject mould facility but also make likely to fill rotating shaft.Also handle (1) can be used to beat repeatedly gas time practical, then spray by repeatedly trigger.If too much inflate and in when pressing through large, heavier feel can be had and can be observed container (53) deformation, also have the pressure-reducing valve (12) be installed on pump to protect.
The present invention relates to a kind of for gardens, the inflating pump of the low pressure atomizing spray gun of gardening, especially the manual spray blast pump having movable spray core of low pressure atomizing water spray or agricultural chemicals, belongs to the inflating pump technical field in injection apparatus.The present invention sets up labyrinth seal at the improvement pump housing, and original O type piston ring is improved on the basis of L-type piston ring, now provide especially and original spray core that can not move is improved to movable spray core, and original 2 grooves are changed into multiple-grooved, particularly there are parabolical 4 grooves, in order to raising ejection quality.Because movable spray core has parabolical multiple-grooved (35a), particularly 4 grooves, groove rises twist, and the bottom of groove is comparatively large, less to top, and the top of every groove is provided with sulculus (35b), the bottom of sulculus is parabolical, is conducive to parabolic and flees; Again owing to being provided with cone (35c) at the top of movable spray core, so be more conducive to the spout of nozzle (37) suitable; Again because sulculus (35b) and cone (35c) pass through mutually, and sulculus (35b) communicates with groove (35a), and favourable fluid is at bottom eddy flow and gather gesture at top.There is the spray blast pump of spraying agricultural chemicals to be solve the many agricultural chemicals of residue not spray the problem of also wasting, at the bottom of tank, add appearance suction pipe floor level give prominence to bottle.The described gardens spray blast pump having constant acceleration curve nozzle, formed by inflating pump with by the boom jet nozzle assembly of movable spray core and the blow-molded container of described contain fluid, is provided with cone (35c) at the top of described movable spray core; Sulculus (35b) passes through mutually with cone (35c), and sulculus (35b) communicates with groove (35a); Blind hole (35d) is also provided with in the bottom of described movable spray core; And the top of every groove is provided with sulculus (35b); Movable spray core (35) is loaded in the inside of nozzle boss (34), the spout of the close nozzle (37) of cone (35c) at the top of movable spray core (35), and the screw thread of the outside of the internal thread of nozzle (37) and nozzle boss (34) is connected; Its profile of described movable spray core has dug multiple-grooved (35a) on the cylinder, it is characterized in that: described in have the helical constant acceleration curve of the described groove of constant acceleration curve nozzle to rise, and without the archimedes curve of constant speed; Spray not go out for solving residue many agricultural chemicals and waste, the blow-molded container of described contain fluid adds and holds at the bottom of suction pipe floor level bottle convex (53a) at the bottom of tank, at the bottom of tank, namely adds appearance suction pipe floor level give prominence to the convex and gag of bottle.Constant acceleration curve can process steel die by ready-made CNC machine and produces the pressure angle equal logatithmic spiral nozzle gardens spray gun of injection moulding in batches and have the nozzle of constant acceleration curve.The effect of the pressure angle equal logatithmic spiral nozzle gardens spray gun through improving and described in improvement is self-evident.
Claims (7)
1. pressure angle equal logatithmic spiral nozzle gardens spray gun, pump housing top adopts the inflating pump having labyrinth seal, and the installation site of laying suction hose on the pump housing (10) top is provided with labyrinth seal; Described labyrinth seal primarily of sealing ring (6a), sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a) formed; So as the mouth of pipe of the dress suction hose (11) on the pump housing of inflating pump and the delivery port of pump cover (5) suitable.There is the inflating pump of labyrinth seal, screwed in the major thread bottleneck of the blow-molded container of contain fluid by the internal thread of the big circumference of pump cover (5), the described inflating pump having labyrinth seal, by handle (1), plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), pump cover (5), suction hose rubber pad (6), piston one-way valve spring (7), piston nonreturn valve core (7a), piston (8), piston ring (9), the pump housing (10) and the sealing ring (6a) which is provided with, sealing ring (4a), sealing ring (3a), and sealing ring (1a), sealing ring (2a), sealing ring (5a), suction hose (11), pressure-reducing valve (12), pump pad (13), air cushion sheet (14) formed.Separately there is supporting boom jet nozzle assembly can cooperating at the water outlet of the pump cover (5) of inflating pump.Described handle (1) is actively through the macropore at pump cover (5) center, interlock with piston (8), and be pressed with piston one-way valve spring (7) and piston nonreturn valve core (7a) in the centre of handle (1) and piston (8).Described piston (8) be equiped with piston ring (9) external rings week, the pump housing (10) described in insertion is also reciprocally movable.The You Shuo hole, bottom of the described pump housing (10), is provided with air cushion sheet, and described air cushion sheet is rubberlike flexible piece, forms actual check valve, the outside of the delivery port of described pump cover (5) is installed into plastic spacer (2) successively, fluorubber ball (3), pump cover exit spring (4), and forms the check valve in exit, sealing ring (6a) that the described pump housing (10) is provided with, sealing ring (4a), sealing ring (3a) is the center of circle of same delivery port, and sealing ring (1a), sealing ring (2a), sealing ring (5a) is with the circle core shaft concentric of the pump housing (10), pressure-reducing valve (12) is located on the pump housing, and pressure is excessive to be washed open, pump pad (13) is pressed in the bottleneck of large blow-molded container by pump housing limit, external rings week installing piston ring (9) of described piston (8) also must fat liquoring, described piston nonreturn valve core (7a) fluorubber, piston ring (9) adds columnar shirt rim (9a) in the outer ring of original O type circle, the outermost circumference of described shirt rim (9a) conically, that is, the external diameter near one end of opening part is a bit larger tham the external diameter of the one end near O shape place, also be provided with in the junction of O type circle and columnar inside circle grooving (9b) resembling push broach groove sample cut out, so that the easier micro stretching contracting in the shirt rim of piston ring, the cross section of described grooving (9b) is the logatithmic spiral that pressure angle is equal everywhere, the O type circle part of the piston ring (9) of described L shape is still arranged on the former position of laying piston ring of piston (8) as before, and one end of the opening part of the piston ring (9) of described L shape at the bottom of pump, i.e. handle dorsad, described inflating pump, screwed in the major thread bottleneck of blow-molded container (53) by the internal thread of the big circumference of pump cover (5), also will install supporting boom jet nozzle assembly at the water outlet of the pump cover of inflating pump (5) and carry out cooperating, original spray core that can not move is improved to movable spray core, and its original 2 grooves are changed into multiple-grooved, there is the supporting boom jet nozzle assembly of the spray blast pump of movable spray core, by clip (31), switch main body (32), sparge pipe (33), nozzle boss (34), movable spray core (35), nozzle boss sealing ring (36), nozzle (37), switch spring (38), switch seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44), aqueduct (45), trigger (46), handle main body (47), body (48) after handle, interface locknut (49), interface (50), sealing joint circle (51), and formed around pipe support (52), described clip (31) is connected aqueduct (45) and switch main body (32), and the front portion of switch main body (32) and sparge pipe (33) are connected, front portion and the nozzle boss (34) of sparge pipe (33) are connected, the thread root of the outside of nozzle boss (34) is equipped with nozzle boss sealing ring (36), and movable spray core (35) is equipped with in the inside of nozzle boss (34), the screw thread of the internal thread of nozzle (37) and the outside of nozzle boss (34) is connected, switch spring (38) and switch main body (32) are connected, and valve core seal ring (39), spool pad (40), spool (41), valve core spring (42), spool pad (43), cartridge cover (44) is arranged on switch main body (32) respectively successively and above forms threshold switch, the rear end of aqueduct (45) is through the mesopore that body (48) after the handle main body (47) of trigger (46) and handle is housed outward, and be connected with interface locknut (49) and interface (50) and sealing joint circle (51), final aqueduct (45) inserts in the delivery port of the pump cover (5) of inflating pump by interface locknut (49) and interface (50) and sealing joint circle (51), with by plastic spacer (2), fluorubber ball (3), pump cover exit spring (4), the check valve that pump cover (5) forms is connected, , when just newly having taken packaged goods, be wound with when aqueduct (45) uses thereon and go far around pipe support as the effect spoken of around pipe support (52), described pressure angle equal logatithmic spiral nozzle gardens spray gun, formed by inflating pump with by the boom jet nozzle assembly of movable spray core and the blow-molded container of described contain fluid, is provided with cone (35c) at the top of described movable spray core, sulculus (35b) passes through mutually with cone (35c), and sulculus (35b) communicates with groove (35a), blind hole (35d) is also provided with in the bottom of described movable spray core, and the top of every groove is provided with sulculus (35b), movable spray core (35) is loaded in the inside of nozzle boss (34), the spout of the close nozzle (37) of cone (35c) at the top of movable spray core (35), and the screw thread of the outside of the internal thread of nozzle (37) and nozzle boss (34) is connected, its profile of described movable spray core has dug multiple-grooved (35a) on the cylinder, it is characterized in that: described in have the helical constant acceleration curve of the described groove of constant acceleration curve nozzle to rise, and without the archimedes curve of constant speed, spray not go out for solving residue many agricultural chemicals and waste, the blow-molded container of described contain fluid adds at the bottom of appearance suction pipe floor level bottle convex (53a) at the bottom of tank.
2. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, the described groove that the helical constant acceleration curve its profile of described movable spray core being dug multiple-grooved (35a) rises has 3.
3. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, it is circular that the blow-molded container of described contain fluid adds the cross section holding convex (53a) at the bottom of suction pipe floor level bottle at the bottom of tank.
4. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, it is truncated cone-shaped that the blow-molded container of described contain fluid adds the cross section holding convex (53a) at the bottom of suction pipe floor level bottle at the bottom of tank.
5. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle has can opening and closing mouth.
6. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle is provided with can the cork of opening and closing mouth.
7. pressure angle according to claim 1 equal logatithmic spiral nozzle gardens spray gun, the blow-molded container of described contain fluid adds at the bottom of tank that the lower bottom part holding convex (53a) at the bottom of suction pipe floor level bottle is provided with can the spiral tapping lid of opening and closing mouth.
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| CN201420866629.XU CN204466693U (en) | 2014-12-24 | 2014-12-24 | Pressure angle equal logatithmic spiral nozzle gardens spray gun |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU204289U1 (en) * | 2021-03-01 | 2021-05-19 | Федеральное государственное бюджетное научное учреждение «Всероссийский научно-исследовательский институт защиты растений» | Liquid Injection Sprayer |
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2014
- 2014-12-24 CN CN201420866629.XU patent/CN204466693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU204289U1 (en) * | 2021-03-01 | 2021-05-19 | Федеральное государственное бюджетное научное учреждение «Всероссийский научно-исследовательский институт защиты растений» | Liquid Injection Sprayer |
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Effective date of registration: 20171107 Address after: 315400 No. 1 Chaoyang Road, Zhejiang, Yuyao Patentee after: Ningbo Daye Garden Co., Ltd. Address before: 315400 Ningbo big leaf garden science and Technology Co., Ltd., Zhejiang, Yuyao province 528 Patentee before: Ningbo Daye Garden Science & Technology Co., Ltd. |
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| CP03 | Change of name, title or address | ||
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Address after: 315400 Chaoyang Road, Yuyao City, Ningbo, Zhejiang Province, No. 1 Patentee after: Ningbo Daye Garden Industry Co., Ltd. Address before: 315400 Chaoyang Road, Yuyao City, Zhejiang Province Patentee before: Ningbo Daye Garden Co., Ltd. |