CN102407208B - Dustproof barrel for spray gun - Google Patents
Dustproof barrel for spray gun Download PDFInfo
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- CN102407208B CN102407208B CN201110255415XA CN201110255415A CN102407208B CN 102407208 B CN102407208 B CN 102407208B CN 201110255415X A CN201110255415X A CN 201110255415XA CN 201110255415 A CN201110255415 A CN 201110255415A CN 102407208 B CN102407208 B CN 102407208B
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Abstract
The invention provides a dustproof barrel for a spray gun, and belongs to the technical field of spray guns. The invention solves the problem that an air pressure hole on the conventional barrel for the spray gun is easy to block. The dustproof barrel for the spray gun comprises a barrel with an opening and a barrel cover connected with the opening in a sealing way; the barrel cover is provided with an air pressure hole, and the middle of the barrel cover is provided with a connecting part vertical to the barrel cover; a feeding hole is formed in the connecting part; a suction pipe is arranged in the barrel; the lower end of the suction pipe is positioned at the bottom of an inner cavity of the barrel, and the upper end of the suction pipe is connected with the lower end of the feeding hole; the dustproof barrel also comprises a handle seat sleeved on the connecting part; the handle seat is provided with an air inlet which is communicated with the air pressure hole through a vent pipe; and an air inlet port of the air inlet faces downwards. The dustproof barrel for the spray gun has the advantages of preventing the air pressure hole on the barrel from being blocked and achieving better sealing effect on the barrel cover and the barrel.
Description
Technical field
The invention belongs to the lance technology field, relate to the Dustproof barrel of a kind of batch can, particularly a kind of spray gun.
Background technology
In existing spray gun, batch can is arranged on the spray gun below, and batch can tank mouth and charging bucket cover are tightly connected, and in the middle of charging bucket cover, is provided with the connecting portion vertical with charging bucket cover, in connecting portion, have material path, in batch can, be provided with suction pipe, the suction pipe lower end is positioned at the batch can bottom, and its upper end is connected to the lower end of material path, on its charging bucket cover, have pressure hole, pressure hole is communicated with the batch can inner chamber, and the raw material in batch can is no matter last amount is how many, and the air pressure in its batch can inner chamber all follows atmospheric pressure to be consistent.The problem of its existence: due to the opening of pressure hole be heads and top without any blocking, in use, dust granule in atmosphere etc. can be easy to enter in pressure hole and cause pressure hole to stop up, the blocking-up external atmosphere pressure is communicated with the batch can inner chamber, thereby make the air pressure in batch can reduce along with the minimizing of tank Raw, when air pressure in tank is reduced to a certain degree, spray gun is when work, and very little being not enough to of the draught head of its body of spray gun rifle inner chamber and batch can inner chamber is drawn to the tank Raw in the body of spray gun rifle inner chamber.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of Dustproof barrel that can prevent the spray gun that the pressure hole on charging bucket cover stops up.
Purpose of the present invention can realize by following technical proposal: a kind of Dustproof barrel of spray gun, comprise the batch can with tank mouth and the charging bucket cover be connected with Jar opening sealer, in the middle of on charging bucket cover, having pressure hole and its, be provided with the connecting portion vertical with charging bucket cover, in connecting portion, has material hole, in described batch can, be provided with suction pipe, the lower end of suction pipe is positioned at the bottom of batch can inner chamber, its upper end is connected to the lower end of material hole, it is characterized in that: this Dustproof barrel also comprises the handle seat be set on connecting portion, on the handle seat, have air admission hole, air admission hole is communicated with by breather pipe with above-mentioned pressure hole, the air inlet of described air admission hole down.
External atmosphere pressure enters into the batch can inner chamber by air admission hole, breather pipe and pressure hole, guarantees that the air pressure of its batch can inner chamber is identical with atmospheric pressure all the time.Air admission hole is the vertical direction setting, upper aperture is positioned at handle seat upper surface, lower aperture is positioned at handle seat lower surface, breather pipe is connected in aperture, lower aperture is air inlet, and it is downward opening for air inlet, because the airborne pollutants such as dust granule are heavier than air, all vertically down drop, therefore can not drop in air inlet and cause air inlet to stop up.
In the Dustproof barrel of above-mentioned a kind of spray gun, between described charging bucket cover and tank mouth, be provided with sealing ring, charging bucket cover is connected with Jar opening sealer by sealing ring.
In the Dustproof barrel of above-mentioned a kind of spray gun, described charging bucket cover edge extends to form the gear edge downwards and is buckled on the lateral surface of tank mouth.Gear, along allowing charging bucket cover tightly be buckled on the tank mouth to prevent charging bucket cover from space occurring on the tank mouth, moving around to cause between charging bucket cover and tank mouth, reaches sealing effectiveness better.
In the Dustproof barrel of above-mentioned a kind of spray gun, described suction pipe upper end has external screw thread, and the lower end of its material hole has internal thread, and the suction pipe upper end is threaded with the lower end of material hole.
In the Dustproof barrel of above-mentioned a kind of spray gun, described suction pipe comprises straight section and is with straight section the turn of bilge that an angle of bend is connected, and the turn of bilge bottom has the mouth of pipe, and the mouth of pipe reaches the junction of batch can intracavity sidewall and bottom surface.
In the Dustproof barrel of above-mentioned a kind of spray gun, described angle of bend is 20 °～50 °.As preferably, angle of bend is 30 °.
In the Dustproof barrel of above-mentioned a kind of spray gun, the described mouth of pipe is pressed close to the batch can bottom surface and is arranged, and mouth of pipe end face is parallel with the batch can bottom surface.
The mouth of pipe press close to the batch can bottom surface make its liquid level lower than the mouth of pipe and be attached to surplus stock on the batch can bottom surface and the mouth of pipe between distance very little, the inside and outside draught head suction of suction pipe can be drawn to remaining raw material in suction pipe effectively like this, if distance is long, its draught head suction is not enough to remaining raw material is drawn in suction pipe; Mouth of pipe end face is parallel with the batch can bottom surface can guarantee that the distance of mouth of pipe everywhere and last raw material liquid level is all very near, assurance is drawn last raw material clean, if mouth of pipe end face is inclined plane, the distance of its inclined plane mouth of pipe and last raw material liquid level just has and far has closely, and its draught head suction of that side raw material that is positioned at distance just is not enough to draw.
In the Dustproof barrel of above-mentioned a kind of spray gun, the described mouth of pipe falls funnel type.Be the relative aperture of mouth of pipe end face more greatly.Its bore of the mouth of pipe of funnel type more greatly, contacts the face of absorption also more like this with raw material, and efficiency is higher, draws better effects if.
In the Dustproof barrel of above-mentioned a kind of spray gun, described breather pipe is rubber hose, and by air nozzle, is communicated with above-mentioned pressure hole and air admission hole respectively.
In the Dustproof barrel of above-mentioned a kind of spray gun, between described handle seat and charging bucket cover, be provided with the paint can support, described paint can support fixed cover is located on connecting portion, and lower end abutment is on charging bucket cover, and upper end is resisted against on the handle seat.
In the Dustproof barrel of above-mentioned a kind of spray gun, described handle seat can rotate around connecting portion, and its two ends are bent downwardly and extend Access Division, on Access Division, have draw-in groove, described batch can tank mouth place two lateral walls are provided with fixture block, rotate above-mentioned handle seat, and described draw-in groove can be buckled on fixture block.
The handle seat is that the metallic elastic material is made, has elasticity, a little higher than fixture block is wanted in the position of draw-in groove, when clamping, first draw-in groove is turned to the fixture block place, then with hand, firmly toward pressing down, the draw-in groove position is forced down a bit to handler seat simultaneously, it is snapped fit onto on fixture block, now, on the handle seat, have the restoring force of a deformation, this active force acts on charging bucket cover by the paint can support, sealing ring between charging bucket cover and tank mouth is stressed the deformation sealing occurs, and the charging bucket cover press seal is connected on the tank mouth.
Compared with prior art, the Dustproof barrel of this spray gun has following several advantage:
1, by the installing handle seat, then on the handle seat, drive pore into, by breather pipe, air admission hole is communicated with pressure hole again, the air inlet of air admission hole down, original opening up air inlet has been made into downward opening, caused air inlet to stop up thereby make foreign material such as dust granule in atmosphere can not drop to air inlet;
2, the fixture block structure of the draw-in groove on the handle seat and batch can, make charging bucket cover be subject to the thrust effect, and the sealing effectiveness between its charging bucket cover and tank mouth is better;
3, the design of the turn of bilge of suction pipe and the design parallel with bottom surface of mouth of pipe end face have improved the absorption effect of suction pipe to the batch can Raw, can as far as possible the tank Raw be drawn clean.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of suction pipe in the present invention.
In figure, 1, batch can; 11, fixture block; 2, charging bucket cover; 21, pressure hole; 22, connecting portion; 221, material hole; 23, gear edge; 3, sealing ring; 4, suction pipe; 41, straight section; 42, turn of bilge; 421, the mouth of pipe; 5, handle seat; 51, air admission hole; 52, Access Division; 521, draw-in groove; 6, breather pipe; 7, air nozzle; 8, paint can support.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As illustrated in fig. 1 and 2, the Dustproof barrel of this spray gun comprises the batch can 1 with tank mouth and the charging bucket cover 2 be connected with Jar opening sealer, is provided with sealing ring 3 between charging bucket cover 2 and tank mouth, and charging bucket cover 2 edges extend to form gear downwards along 23 and are buckled on the lateral surface of tank mouth.On charging bucket cover 2, have pressure hole 21 and its middle connecting portion vertical with charging bucket cover 2 22 that be provided with, in connecting portion 22, has material hole 221, in batch can 1, be provided with suction pipe 4, suction pipe 4 comprises straight section 41 and is with straight section 41 turn of bilge 42 that 30 ° of angle of bend are connected, turn of bilge 42 bottoms have the mouth of pipe 421, the mouth of pipe 421 reaches the junction of batch can 1 intracavity sidewall and bottom surface, the mouth of pipe 421 is pressed close to batch can 1 bottom surface and is arranged, and the mouth of pipe 421 end faces are parallel with batch can 1 bottom surface, straight section 41 upper ends have external screw thread, the lower end of its material hole 221 has internal thread, suction pipe 4 upper ends are threaded with the lower end of material hole 221.This Dustproof barrel 1 also comprises the handle seat 5 that is set on connecting portion 22 and can rotates around connecting portion 22, on handle seat 5, have air admission hole 51, air admission hole 51 is communicated with by rubber hose with pressure hole 21, and rubber hose is communicated with pressure hole 21 and air admission hole 51 by air nozzle 7 respectively, and the air inlet of air admission hole 51 down.
Between handle seat 5 and charging bucket cover 2, be provided with paint can support 8, paint can support 8 fixed covers are located on connecting portion 22, and lower end abutment is on charging bucket cover 2, and upper end is resisted against on handle seat 5.Handle seat 5 two ends are bent downwardly to extend on 52， Access Division, Access Division 52 and have draw-in groove 521, and batch can 1 tank mouth place two lateral walls are provided with fixture block 11, handler seat 5, and draw-in groove 521 can be buckled on fixture block 11.
External atmosphere pressure enters into batch can 1 inner chamber by air admission hole 51, breather pipe 6 and pressure hole 21, guarantees that the air pressure of its batch can 1 inner chamber is identical with atmospheric pressure all the time.Air admission hole 51 is the vertical direction setting, upper aperture is positioned at handle seat 5 upper surfaces, lower aperture is positioned at handle seat 5 lower surfaces, breather pipe 6 is connected in aperture, lower aperture is air inlet, and it is downward opening for air inlet, because the airborne pollutants such as dust granule are heavier than air, all vertically down drop, therefore can not drop in air inlet and cause air inlet to stop up.Thereby making air pressure in tank is atmospheric pressure all the time, in the tank of avoiding air inlet to stop up causing, descend body of spray gun rifle inner chamber and poor the diminishing of batch can 1 chamber pressure while causing spray gun work of air pressure is not enough to the tank Raw is drawn in the rifle intracoelomic cavity in order to spraying work.
Raw material in the present embodiment can be paint, chemical solution or powdery solid granules material.
The mouth of pipe 421 in the present embodiment can also be for falling funnel type.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper more used batch can 1, fixture block 11, charging bucket cover 2, pressure hole 21, connecting portion 22, material hole 221, gear along 23, the terms such as sealing ring 3, suction pipe 4, straight section 41, turn of bilge 42, the mouth of pipe 421, handle seat 5, air admission hole 51, Access Division 52, draw-in groove 521, breather pipe 6, air nozzle 7, paint can support 8, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (7)
1. the Dustproof barrel of a spray gun, comprise the batch can (1) with tank mouth and the charging bucket cover be connected with Jar opening sealer (2), in the middle of on charging bucket cover (2), having pressure hole (21) and its, be provided with the connecting portion (22) vertical with charging bucket cover (2), in connecting portion (22), has material hole (221), in described batch can (1), be provided with suction pipe (4), the lower end of suction pipe (4) is positioned at the bottom of batch can (1) inner chamber, its upper end is connected to the lower end of material hole (221), it is characterized in that: this Dustproof barrel also comprises the handle seat (5) be set on connecting portion (22), on handle seat (5), have air admission hole (51), air admission hole (51) is communicated with by breather pipe (6) with above-mentioned pressure hole (21), the air inlet of described air admission hole (51) down, between described charging bucket cover (2) and tank mouth, be provided with sealing ring (3), charging bucket cover (2) is connected with Jar opening sealer by sealing ring (3), between described handle seat (5) and charging bucket cover (2), be provided with paint can support (8), described paint can support (8) fixed cover is located on connecting portion (22), and lower end abutment is upper at charging bucket cover (2), and upper end is resisted against on handle seat (5), described handle seat (5) can rotate around connecting portion (22), and its two ends are bent downwardly extends Access Division (52), on Access Division (52), have draw-in groove (521), described batch can (1) tank mouth place two lateral walls are provided with fixture block (11), rotate above-mentioned handle seat (5), described draw-in groove (521) can be buckled on fixture block (11).
2. the Dustproof barrel of a kind of spray gun according to claim 1, it is characterized in that, described suction pipe (4) upper end has external screw thread, and the lower end of its material hole (221) has internal thread, and suction pipe (4) upper end is threaded with the lower end of material hole (221).
3. the Dustproof barrel of a kind of spray gun according to claim 1 and 2, it is characterized in that, described suction pipe (4) comprises straight section (41) and is with straight section (41) turn of bilge (42) that an angle of bend is connected, turn of bilge (42) bottom has the mouth of pipe (421), and the mouth of pipe (421) reaches the junction of batch can (1) intracavity sidewall and bottom surface.
4. the Dustproof barrel of a kind of spray gun according to claim 3, is characterized in that, described angle of bend is 20 °～50 °.
5. the Dustproof barrel of a kind of spray gun according to claim 3, is characterized in that, the described mouth of pipe (421) is pressed close to batch can (1) bottom surface and arranged, and the mouth of pipe (421) end face is parallel with batch can (1) bottom surface.
6. the Dustproof barrel of a kind of spray gun according to claim 5, is characterized in that, the described mouth of pipe (421) is funnel type.
7. the Dustproof barrel of a kind of spray gun according to claim 6, is characterized in that, described breather pipe (6) is rubber hose, and by air nozzle (7), be communicated with above-mentioned pressure hole (21) and air admission hole (51) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255415XA CN102407208B (en) | 2011-08-26 | 2011-08-26 | Dustproof barrel for spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255415XA CN102407208B (en) | 2011-08-26 | 2011-08-26 | Dustproof barrel for spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102407208A CN102407208A (en) | 2012-04-11 |
| CN102407208B true CN102407208B (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110255415XA Active CN102407208B (en) | 2011-08-26 | 2011-08-26 | Dustproof barrel for spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102407208B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772245B (en) * | 2015-04-28 | 2017-08-25 | 浙江瑞丰五福气动工具有限公司 | The batch can quick fixation structure of spray gun for paint |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388997A (en) * | 1981-04-20 | 1983-06-21 | Champion Spark Plug Company | Vent for paint cups |
| CN1319540A (en) * | 2000-03-27 | 2001-10-31 | 莱雅公司 | Air inlet element and top cover and equipment having container installed with said element or top cover |
| US6364172B1 (en) * | 1998-12-10 | 2002-04-02 | Afa Polytek, B.V. | Liquid dispenser and assembly methods therefor |
| CN2524840Y (en) * | 2001-12-20 | 2002-12-11 | 鲁珉 | Fog-proof sprayer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000062871A (en) * | 1998-08-17 | 2000-02-29 | Mitani Valve:Kk | Jet instrument |
| JP2003341707A (en) * | 2002-05-27 | 2003-12-03 | Yoshino Kogyosho Co Ltd | Container capable of mixing and dispersing bubbles in liquid content |
-
2011
- 2011-08-26 CN CN201110255415XA patent/CN102407208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388997A (en) * | 1981-04-20 | 1983-06-21 | Champion Spark Plug Company | Vent for paint cups |
| US6364172B1 (en) * | 1998-12-10 | 2002-04-02 | Afa Polytek, B.V. | Liquid dispenser and assembly methods therefor |
| CN1319540A (en) * | 2000-03-27 | 2001-10-31 | 莱雅公司 | Air inlet element and top cover and equipment having container installed with said element or top cover |
| CN2524840Y (en) * | 2001-12-20 | 2002-12-11 | 鲁珉 | Fog-proof sprayer |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-62871A 2000.02.29 |
| JP特开2003-341707A 2003.12.03 |
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| Publication number | Publication date |
|---|---|
| CN102407208A (en) | 2012-04-11 |
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