CN208512835U - Spray gun for paint with mature air flue and novel spraying cap structure - Google Patents

Abstract

The utility model discloses a kind of spray gun for paint with mature air flue and novel spraying cap structure, it is related to lance technology field, the utility model includes gun body, nozzle and rotatable spray cap, and gun body is equipped with mounting groove, including the first cylindrical section of band, rotary table section, the second cylindrical section and third cylindrical section；Nozzle is equipped with ring body and first annular protrusion, and ring body is equipped with a plurality of stomatas；It sprays cap and is equipped with annular protrusion, outer annular protrusion and goat's horn, and be equipped with goat's horn hole, centre bore peace face；Ring body and rotary table section seal against each other socket, and there are gap between ring body and the second cylindrical section, third cylindrical section, the first annular protrusion is sealed against each other with annular protrusion is docked.The utility model is by redesigning the pipette tips of gun body, the structure of nozzle and spray cap, so that spray cap be not easy when rotated it is stuck, and changes each flow area product and distribution situation, can allow atomizing particle is thinner, reduces the rebound of coating to keep the utilization rate of coating higher.

Description

Spray gun for paint with mature air flue and novel spraying cap structure

Technical field

The utility model relates to lance technology fields, and in particular to a kind of spray with mature air flue and novel spraying cap structure Paint rifle.

Background technique

Spray gun for paint is a kind of pneumatic tool for spray painting.In order to which the coating spraying swath shape of ejection is more perfect, in spray gun for paint In usually can be in air flue and spray cap, improve on nozzle.The air flow method structure of spray gun is: after spray gun inlet suction port air inlet, Through each control switch of gun body to pipette tips portion, to pipette tips portion after be divided into two strands of air-flows, one for inhale paint air-flow, one is atomization gas Stream；It is steady to feeding system, atomizing particle is finer and smoother, this two strands of air-flows must just be closed in the case where source pressure is equal Their flow cross-sectional product of reason distribution, to realize flow-rate ratio.

Referring to Fig.1 0, the structure that former spray gun uses includes W71 gun body a1, W71 nozzle a2 and W71 the spray cap being generally called on the market A3, its feature are that air flue is reasonably distributed, and appearance classics are resistance to be seen, but its defect: first is that atomizing particle is thick, flash is big, coating Rebounding, more, utilization rate is low, second is that W71 spray cap a3 and W71 nozzle a2 is that 32 degree of Double-conical-surfaces cooperate, is easy the card when spraying cap need to rotate Extremely.

Summary of the invention

Therefore, for above-mentioned problem, the spray with mature air flue and novel spraying cap structure that the utility model proposes a kind of Rifle is painted, purpose is to solve the above problem existing for existing spray gun for paint.

The technical solution adopted in the utility model is as follows:

Spray gun for paint with mature air flue and novel spraying cap structure, including gun body, nozzle and spray cap, the gun body are equipped with gas Road is equipped with the mounting groove for installing the nozzle at the pipette tips of gun body；The mounting groove successively includes thread segment, the first circle Shell of column, rotary table section, the second cylindrical section and third cylindrical section, first cylindrical section are equipped with the first through hole communicated with air flue, institute It states the second cylindrical section and is equipped with the second through-hole communicated with air flue；The lateral wall of the nozzle is equipped with a ring body, and the side of ring body Edge is equipped with a first annular protrusion, and the ring body is equipped with a plurality of stomatas being uniformly distributed and be axially extended along nozzle；Institute The one end for stating spray cap is equipped with annular protrusion and outer annular protrusion, and the other end is set there are two goat's horn, and the spray cap is in interior convex annular Rising is that each goat's horn is equipped with goat's horn hole between outer annular protrusion, sprays cap and is equipped with centre bore and a plurality of inside interior annular protrusion Plane hole；The spray cap is rotatably fixedly arranged on the pipette tips of gun body, and one end of the nozzle is fixedly arranged on the thread segment of mounting groove, separately One end is arranged in the centre bore of spray cap, and the ring body and rotary table section seal against each other socket, ring body and the second cylindrical section, third There are gap between cylindrical section, the first annular protrusion is sealed against each other with annular protrusion is docked, so that a plurality of gas The one end in hole is communicated with first through hole, and the other end is communicated with a plurality of plane holes, and second through-hole passes through the gap It is communicated with a plurality of goat's horn holes.

It further, further include blind nut, the blind nut is threadedly connected to the pipette tips of gun body, and the outer annular protrusion is equipped with annular Flange, the annular flange are rotatably arranged between pipette tips and blind nut, and are installed between pipette tips and annular flange close Gasket, annular flange and blind nut are equipped with gasket.

Further, spherical surface is bonded between the first annular protrusion and annular protrusion.

Further, the ring body set there are six in regular hexagon distribution the stomata.

Further, the diameter of the stomata is 1.3mm.

It is compared with existing technology, utility model has the advantages that

The utility model includes gun body, nozzle and rotatable spray cap, and gun body is equipped with mounting groove, including the first cylinder of band Section, rotary table section, the second cylindrical section and third cylindrical section；Nozzle is equipped with ring body and first annular protrusion, and ring body is equipped with a plurality of gas Hole；The one end for spraying cap is equipped with annular protrusion and outer annular protrusion, and the other end is equipped with goat's horn, sprays cap in interior annular protrusion and outer ring It is equipped with goat's horn hole between shape protrusion, centre bore and a plurality of plane holes are equipped with inside interior annular protrusion；Ring body and rotary table section phase Mutually sealing socket, there are gap between ring body and the second cylindrical section, third cylindrical section, the first annular protrusion is convex with annular It rises and seals against each other docking.The utility model is by redesigning the pipette tips of gun body, the structure of nozzle and spray cap, so that spray cap exists It is not easy stuck when rotation, and changes each flow area product and distribution situation, can allow atomizing particle is thinner, reduces the anti-of coating Bullet keeps the utilization rate of coating higher.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the utility model.

Fig. 2 is the cross-sectional view of pipette tips part in the utility model (arrow is air-flow trend in figure).

Fig. 3 is the cross-sectional view of pipette tips in the utility model.

Fig. 4 is the main view of nozzle in the utility model.

Fig. 5 is the side view of nozzle in the utility model.

Fig. 6 is the cross-sectional view of nozzle in the utility model.

Fig. 7 is to spray the main view of cap in the utility model.

Fig. 8 is to spray the side view of cap in the utility model.

Fig. 9 is to spray the cross-sectional view of cap in the utility model.

Figure 10 is the cross-sectional view of existing pipette tips part.

Specific embodiment

Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.For comprehensive understanding the utility model, below Many details are described to, but to those skilled in the art, can also realize the utility model without these details.

Referring to figs. 1 to Fig. 9, a kind of spray gun for paint with mature air flue and novel spraying cap structure, including gun body 1,2 and of nozzle Spray cap 6.

Referring to figs. 1 to Fig. 3, gun body 1 is equipped with air flue 10, and the mounting groove for installing nozzle 2 is equipped at the pipette tips of gun body 1 11.Mounting groove 11 successively includes thread segment 111, the first cylindrical section 112, rotary table section 113, the second cylindrical section 114 and third cylinder Section 115.First cylindrical section 112 is equipped with the first through hole 102 communicated with air flue 10, and the second cylindrical section 114 is equipped with and 10 phase of air flue The second logical through-hole 104.

Referring to Fig. 2, Fig. 4, Fig. 5 and Fig. 6, the lateral wall of nozzle 2 is equipped with a ring body 21, and the edge of ring body 21 is equipped with one First annular raised 211, ring body 21 is equipped with a plurality of stomatas 210 being uniformly distributed and be axially extended along nozzle.

Referring to Fig. 2, Fig. 7, Fig. 8 and Fig. 9, one end of spray cap 6 is equipped with annular protrusion 61 and outer annular protrusion 62, the other end If there are two goat's horns 63.Spray cap 6 is that each goat's horn is equipped with goat's horn hole 630 between interior annular protrusion 61 and outer annular protrusion 62, It sprays cap 6 and is equipped with centre bore 60 inside interior annular protrusion 61, and be equipped with a plurality of plane holes 600.

Referring to figs. 1 to Fig. 9, the pipette tips that cap 6 is rotatably fixedly arranged on gun body 1 are sprayed, one end of nozzle 2 is fixedly arranged on mounting groove 11 Thread segment 111, the other end is arranged in the centre bore 60 of spray cap 6, and ring body 21 and rotary table section 113 seal against each other socket, ring There are gaps 1040 between body 21 and the second cylindrical section 114, third cylindrical section 115.First annular raised 211 is raised with annular 61 seal against each other docking, so that one end of a plurality of stomatas 210 is communicated with first through hole 102, the other end and a plurality of plane holes 600 communicate, and the second through-hole 104 is communicated by gap 1040 with a plurality of goat's horn holes 630.

Referring to figs. 1 to Fig. 9, as a preferred solution: spherical surface is bonded between first annular raised 211 and annular protrusion 61.

Referring to figs. 1 to Fig. 9, as specific embodiment: the utility model further includes blind nut 3, and blind nut 3 is threadedly connected to rifle The outer annular protrusion 62 of the pipette tips of body 1, spray cap 6 is equipped with annular flange 621, which is rotatably arranged in above-mentioned Between pipette tips and blind nut 3, and gasket seal 4 is installed between above-mentioned pipette tips and annular flange 621, annular flange 621 and spiral shell Lid 3 is equipped with gasket 5.

Referring to figs. 1 to Fig. 9, as a preferred solution: ring body 21 is set, there are six the stomatas 210 in regular hexagon distribution.Stomata 210 diameter is 1.3mm.

Referring to figs. 1 to Fig. 9, in the utility model, spray cap 6 and nozzle 2 be bonded by spherical surface (first annular raised 211 and Annular protrusion 61 seals against each other docking) space between spray cap 6 and nozzle 2 is divided into two cavitys, cap 6 is sprayed after spherical surface fitting It is free to rotate it is more difficult kill, blind nut 3 lock in gun body 1, spray cap 6 is linked together, connection rear gasket 5 guarantee spray cap 6 is free to rotate without stuck, and the gap sprayed between cap 6 and the pipette tips of gun body 1 is sealed by gasket seal 4.

Referring to figs. 1 to Fig. 9, in actual use, air-flow is divided into two strands of air-flows after the pipette tips part of air flue 10 to gun body 1, One is distributed by first through hole 102, six of nozzle 2 in regular hexagon, and diameter is the stomata 210 of 1.3mm, from spray cap 6 Coating is sucked out centre bore 60 and the discharge of plane hole 60 controls the overlap of atomization, flash；Another stock passes through the second through-hole 104, spray The circumferential gap 1040 equal with gun body 1 of mouth 2 flows uniformly to spray cap 6, is discharged from two goat's horn holes 630 of spray cap 6, mainly has The function of atomised coating.Compared with existing spray gun for paint, in the case that in source, air pressure is same, the spray cap 6 of the utility model is revolving It is not easy structure that is stuck, and passing through the pipette tips for redesigning gun body 1, nozzle 2 and spray cap 6 when turning, changes each flow area Long-pending and distribution situation can allow atomizing particle is thinner, reduces the rebound of coating to keep the utilization rate of coating higher.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (5)

1. there is the spray gun for paint of mature air flue and novel spraying cap structure, including gun body, nozzle and spray cap, it is characterised in that: described Gun body is equipped with air flue, and the mounting groove for installing the nozzle is equipped at the pipette tips of gun body；The mounting groove successively includes screw thread Section, the first cylindrical section, rotary table section, the second cylindrical section and third cylindrical section, first cylindrical section are equipped with the communicated with air flue One through-hole, second cylindrical section are equipped with the second through-hole communicated with air flue；The lateral wall of the nozzle is equipped with a ring body, and The edge of ring body is equipped with a first annular protrusion, and the ring body is equipped with a plurality of be uniformly distributed and axially extended along nozzle Stomata；One end of the spray cap is equipped with annular protrusion and outer annular protrusion, and the other end is set there are two goat's horn, including the spray cap Be between annular protrusion and outer annular protrusion each goat's horn be equipped with goat's horn hole, spray cap inside interior annular protrusion be equipped with centre bore and A plurality of plane holes；The spray cap is rotatably fixedly arranged on the pipette tips of gun body, and one end of the nozzle is fixedly arranged on the spiral shell of mounting groove Line section, the other end is arranged in the centre bore of spray cap, and the ring body and rotary table section seal against each other socket, ring body and the second cylinder There are gap between section, third cylindrical section, the first annular protrusion is sealed against each other with annular protrusion is docked, so that a plurality of One end of the stomata is communicated with first through hole, and the other end is communicated with a plurality of plane holes, and second through-hole passes through institute Gap is stated to communicate with a plurality of goat's horn holes.

2. the spray gun for paint with mature air flue and novel spraying cap structure according to claim 1, it is characterised in that: further include Blind nut, the blind nut are threadedly connected to the pipette tips of gun body, and the outer annular protrusion is equipped with annular flange, and the annular flange can revolve It is arranged between pipette tips and blind nut with turning, and is installed with gasket seal between pipette tips and annular flange, annular flange and blind nut Equipped with gasket.

3. the spray gun for paint with mature air flue and novel spraying cap structure according to claim 1, it is characterised in that: described the Spherical surface is bonded between one annular protrusion and annular protrusion.

4. the spray gun for paint with mature air flue and novel spraying cap structure according to claim 1, it is characterised in that: the ring Body set there are six in regular hexagon distribution the stomata.

5. the spray gun for paint with mature air flue and novel spraying cap structure according to claim 3, it is characterised in that: the gas The diameter in hole is 1.3mm.