CN204911863U - Cleaning machine and spray gun - Google Patents

Cleaning machine and spray gun Download PDF

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Publication number
CN204911863U
CN204911863U CN201520671793.XU CN201520671793U CN204911863U CN 204911863 U CN204911863 U CN 204911863U CN 201520671793 U CN201520671793 U CN 201520671793U CN 204911863 U CN204911863 U CN 204911863U
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CN
China
Prior art keywords
spray gun
centre bore
bellmouth
nozzle
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520671793.XU
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Chinese (zh)
Inventor
张琳
黄英圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAICHENG ECO-KLEEN SYSTEM Co Ltd
Original Assignee
TAICHENG ECO-KLEEN SYSTEM Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAICHENG ECO-KLEEN SYSTEM Co Ltd filed Critical TAICHENG ECO-KLEEN SYSTEM Co Ltd
Priority to CN201520671793.XU priority Critical patent/CN204911863U/en
Application granted granted Critical
Publication of CN204911863U publication Critical patent/CN204911863U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Cleaning By Liquid Or Steam (AREA)

Abstract

The utility model provides a cleaning machine and spray gun. The spray gun includes: the barrel connects, be provided with the centre bore and with the mounting hole that the centre bore is linked together, the opening orientation of mounting hole the first end that the barrel connects, the axis of mounting hole with the axis of centre bore forms the acute angle, the abrasive material coupling, with the mounting hole is connected, include with the centre bore be linked together and with the coaxial pay -off hole of mounting hole, the nozzle, with the second end that the barrel connects is connected, include with first bell mouth that the centre bore is linked together and with the discharge opening that is linked together is held to the osculum of first bell mouth, first bell mouth and centre bore formation hybrid chamber. The abrasive material carries out the preliminary mixing with the cleansing medium in the hybrid chamber, form and mix the cleansing medium. Spout in the mixture cleansing medium follow nozzle and wash. The abrasive material is more even with the cleansing medium mixes back formation in the hybrid chamber mixed cleansing medium, and the cleaning performance is good, practices thrift the abrasive material.

Description

A kind of cleaning machine and spray gun
Technical field
The utility model relates to high-pressure cleaning device, particularly relates to a kind of cleaning machine and spray gun.
Background technology
Along with the development of cleaning technique, high-pressure cleaning device has been applied in daily life more and more, such as, for cleaning greasy dirt, corrosion, paint vehicle etc.
At present, high-pressure cleaning device great majority are, by spray gun, the High-Pressure Water that high pressure liquid feed device produces is directly injected to body surface to be cleaned.Working face is directly impacted to reach the object of surface cleaning by the High-Pressure Water of lance ejection.
But the spray gun used now ejects after usually just being pressurizeed further by the High-Pressure Water that high pressure liquid feed device produces, and in injection after different cleansing mediums can not being mixed, therefore its scope of application is restricted, and cleaning performance is also not obvious.
Utility model content
Technical problem to be solved in the utility model different cleansing mediums can not be carried out mixing the deficiency of rear injection to overcome spray gun in prior art.
For the problems referred to above, the utility model proposes a kind of spray gun, it comprises: gun barrel joint, the installing hole being provided with centre bore and being connected with described centre bore, the opening of described installing hole is towards the first end of described gun barrel joint, and the axis of described installing hole and the axis of described centre bore form acute angle; Abrasive material pipe joint, is connected with described installing hole, comprises and being connected and the feedhole coaxial with described installing hole with described centre bore; Nozzle, is connected with the second end of described gun barrel joint, and comprise the first bellmouth be connected with described centre bore and the discharge opening be connected with the osculum end of described first bellmouth, described first bellmouth and centre bore form hybrid chamber.
According to spray gun of the present utility model, it nozzle comprising gun barrel joint, be fixed on the abrasive material pipe joint on gun barrel joint and be connected with gun barrel joint.The centre bore of gun barrel joint and the first bellmouth of nozzle form hybrid chamber jointly.Abrasive material pipe joint can to conveying grinding material in hybrid chamber, and cleansing medium (such as water) can be input to hybrid chamber by gun barrel joint by gun barrel.Abrasive material and cleansing medium are pre-mixed in hybrid chamber, form mixing cleansing medium.Mixing cleansing medium sprays to treat cleaning of objects surface and cleans from nozzle.The mixing cleansing medium formed after abrasive material mixes in hybrid chamber with cleansing medium is more even, and cleaning performance is good, saves abrasive material.
In one embodiment, one end of described nozzle is provided with annular flange flange, and described spray gun also comprises and being set on described nozzle and the clamp nut matched with described annular flange flange, and described clamp nut is connected with the second end of described gun barrel joint.Nozzle can be fixed by clamp nut, easy to connect, and it is convenient to install.
In one embodiment, described spray gun also comprises the annular element be arranged in described centre bore, is provided with seal between the end face of described annular element and described annular flange flange, and described annular element comprises the second bellmouth be connected with described first bellmouth.After annular element is set, only need change nozzle in different cleaning occasions, reduce frequent replacing annular element and loss is caused to gun barrel joint.
In one embodiment, the big opening end diameter of described first bellmouth and the osculum end equal diameters of described second bellmouth.There will not be step surface between first bellmouth and the second bellmouth, avoid the flowing of step surface to mixing cleansing medium to cause obstruction.
In one embodiment, the big opening end diameter of described first bellmouth is with the osculum end equal diameters of described second bellmouth and the tapering of described first bellmouth and described second bellmouth is identical.First bellmouth and the second bellmouth form an inwall seamlessly transitted, and are conducive to the flowing of mixing cleansing medium.
In one embodiment, described centre bore comprises and is less than the diameter of described first shoulder hole and the second shoulder hole be connected with described first shoulder hole near first shoulder hole of first end of described gun barrel joint and diameter, and described spray gun also comprises the constricting nozzle that is connected with described second shoulder hole and to be arranged in described first shoulder hole and to be pressed on the housing screw of the end face of described constricting nozzle.Constricting nozzle can compress the fluid flowing through this place, improves the flow velocity that it enters hybrid chamber, promotes mixed effect.Housing screw is formed spacing to constricting nozzle, avoid constricting nozzle position skew occurs and affects fluid exit velocities.
In one embodiment, described spray gun also comprises gun barrel, is provided with pipe fitting joint between described gun barrel and described gun barrel joint.Pipe fitting joint can realize Fast Installation between gun barrel and gun barrel joint or dismounting, improves and changes operation one after another.
In one embodiment, bend pipe is provided with between described pipe fitting joint and described gun barrel joint.When using this spray gun with bend pipe to carry out cleaning, washing and cleaning operation can be carried out to the object to be cleaned of narrow space or the clean surface being difficult to observe, widen the scope of application of spray gun.
In one embodiment, described abrasive material pipe joint is set to scarf towards one end of described centre bore, and the axis of described scarf and described centre bore forms angle, and the scope of described angle is 5 degree to 60 degree.Scarf is towards the approach axis of another cleansing medium (such as water) entering hybrid chamber, abrasive material can enter hybrid chamber quickly and come in contact with another cleansing medium (such as water) and mix, improve mixing efficiency, improve mixed effect.In addition, after abrasive material pipe joint is set to scarf towards the end face of one end of centre bore, abrasive material is not easy to gather in abrasive material pipe joint, thus avoids the situation that abrasive material blocking occurs, and ensures carrying out smoothly of cleaning.
In one embodiment, the cone angle scope of described first bellmouth is 20 degree to 90 degree.The length of cone angle and nozzle adapts, and ensures that the jeting effect of mixing cleansing medium is good, meets cleaning requirement.
In one embodiment, the diameter range of described discharge opening is 3 millimeters to 8 millimeters.The length of the diameter of discharge opening, cone angle and nozzle can form product seriation data, facilitates user to select suitable nozzle according to different cleaning occasions.
In one embodiment, the length range of described nozzle is 20 millimeters to 100 millimeters.The nozzle selecting different length is needed, to reach good cleaning performance according to cleaning.The nozzle of different length forms seriation, easily to select the nozzle of appropriate length for different cleaning occasions.
The utility model also proposed a kind of cleaning machine, and it comprises spray gun as above.This cleaning machine comprises above-mentioned spray gun, thus makes the cleaning performance of this cleaning machine good, and operating efficiency is high, applied widely.
Accompanying drawing explanation
Also will be described in more detail the utility model with reference to accompanying drawing based on embodiment hereinafter.
Fig. 1 is the overall structure schematic diagram of the spray gun of the utility model embodiment.
Fig. 2 is each Model for Component Composition cross-sectional schematic in spray gun front end of the utility model embodiment.
Fig. 3 is the overall structure schematic diagram of the spray gun with pipe fitting joint of the utility model embodiment.
Fig. 4 is the overall structure schematic diagram of the spray gun with bend pipe of the utility model embodiment.
Fig. 5 is the overall structure schematic diagram of the cleaning machine of the utility model embodiment.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the spray gun 10 of the utility model embodiment, it comprises for carrying the gun barrel 11 of clear water and the abrasive material pipe 12 for conveying grinding material.
As shown in Figure 1 and Figure 2, gun barrel 11 is connected with gun barrel joint 13.Installing hole gun barrel joint 13 being provided with centre bore 132 and being connected with centre bore 132, wherein, installing hole is for installing the abrasive material pipe joint 14 be connected with abrasive material pipe 12.The first end 131 that gun barrel joint 13 comprises with gun barrel 11 is threaded and second end relative with first end 131.Nozzle 15 is arranged on the second end of gun barrel joint 13.Nozzle 15 comprises the first bellmouth 151 be directly connected with centre bore 132 and the discharge opening 152 be connected with the osculum end of the first bellmouth 151.The diameter D scope of discharge opening 152 is 3 millimeters to 8 millimeters, selects according to cleaning demand.First bellmouth 151 forms hybrid chamber with centre bore 132.
When using the spray gun 10 of the present embodiment, first different cleansing mediums can mix in hybrid chamber, and then sprays from the discharge opening 152 of nozzle 15 surface cleaning object to be cleaned.Due to nozzle 15 ejection is mixing cleansing medium, and the cleaning effect treating cleaning of objects surface is obvious, improves operating efficiency, expands the scope of application.In addition, different cleansing mediums can in hybrid chamber Homogeneous phase mixing, save abrasive consumption, reduce cleaning cost, also not easily there is stopping state.
Abrasive material pipe joint 14 comprises the feedhole 141 with the axis coaxle of installing hole.The opening of installing hole is towards first end 131.The axis of installing hole and the axis of centre bore 132 form acute angle, and preferably, angular range is 15 degree to 80 degree, thus the axis of the feedhole 141 of abrasive material pipe joint 14 and the axis of centre bore 132 also form 15 degree of angles to 80 degree of degree.Like this, abrasive material pipe joint 14 can guide abrasive material angular injection in hybrid chamber, because the direction of spraying is roughly towards the import of the discharge opening 152 of hybrid chamber, the resistance produced the flowing of the mixed material in hybrid chamber is little, the impact that the flowing velocity of mixed material is subject to is little, be conducive in time mixing cleansing medium being pushed out hybrid chamber, improve cleaning efficiency.
Abrasive material pipe joint 14 is set to scarf 142 towards the end face of one end of centre bore 132.Angle β scope between the axis of scarf 142 and centre bore 132 is 5 degree to 60 degree.Like this, scarf 142 is towards the approach axis of another cleansing medium (such as water) entering hybrid chamber, abrasive material can enter hybrid chamber quickly and come in contact with another cleansing medium (such as water) and mix, and improves mixing efficiency, improves mixed effect.In addition, after abrasive material pipe joint 14 is set to scarf 142 towards the end face of one end of centre bore 132, abrasive material is not easy to gather in abrasive material pipe joint 14, thus avoids the situation that abrasive material blocking occurs, and ensures carrying out smoothly of cleaning.
The end of one end that nozzle 15 is connected with gun barrel joint 13 is provided with annular flange flange.The end face of the end face of annular flange flange and the second end of gun barrel joint 13 leans.Nozzle 15 is socketed with clamp nut 16.Clamp nut 16 is threaded annular flange flange to be compressed with the outer peripheral face of the second end of gun barrel joint 13, thus is fixed to bear larger pressure to nozzle 15.Be that the periphery of the end of nozzle 15 arranges external screw thread, the centre bore 132 of the second end of gun barrel joint 13 is provided with internal thread easy understand, thus nozzle 15 directly can be screwed in centre bore 132 to realize and being fixedly connected with of gun barrel joint 13.
In one embodiment, in the centre bore 132 of the second end of gun barrel joint 13, annular element 17 is installed with.Be provided with seal between the end face of the annular flange flange of nozzle 15 and the end face of annular element 17, prevent high-pressure wash medium from revealing from this.Annular element 17 is provided with the second bellmouth 171 be connected with the first bellmouth 151 of nozzle 15.The big opening end of the first bellmouth 151 is adjacent with the osculum end of the second bellmouth 171.The big opening end diameter of the first bellmouth 151 and the osculum end equal diameters of the second bellmouth 171.Preferably, the first bellmouth 151 is identical with the tapering of the second taper 171, thus the first bellmouth 151 and the second bellmouth 171 form the bellmouth of an interior walls be smooth transition.A part for first bellmouth 151, second bellmouth 171 and centre bore 132 forms hybrid chamber.When changing nozzle 15, do not need to dismantle annular element 17, thus the centre bore 132 of gun barrel joint 13 can not cause wearing and tearing owing to dismantling frequently and installing, ensure the sealing property at this place.
Alternatively, as shown in Figure 2, the cone angle scope of the first bellmouth 151 is 20 degree to 90 degree, thus adapts with the length of nozzle 15, ensures that the jeting effect of mixing cleansing medium is good, meets cleaning requirement.The length L scope of nozzle 15 is 20 millimeters to 100 millimeters.The nozzle 15 selecting different length is needed, to reach good cleaning performance according to cleaning.Nozzle 15 length is longer, and the cone angle of the first bellmouth 151 is larger, ensures that the jet velocity of the mixing cleansing medium pushed out from discharge opening 152 meets cleaning requirement.
Centre bore 132 comprises and is less than the diameter of the first shoulder hole and the second shoulder hole be connected with the first shoulder hole and the 3rd shoulder hole be connected with the second shoulder hole near first shoulder hole of first end 131 of gun barrel joint 13, diameter.3rd shoulder hole is a part for hybrid chamber.Spray gun 10 also comprises the constricting nozzle 18 be connected with the second shoulder hole.Constricting nozzle 18 is configured to Laval nozzle structure, promotes compression injection effect.
Alternatively, the end of constricting nozzle 18 arranges external screw thread, be provided with the internal thread matched with this external screw thread in the first shoulder hole, constricting nozzle 18 is directly screwed in centre bore 132 to be fixed.
Alternatively, spray gun 10 also comprises and is arranged in the first shoulder hole and is pressed on the housing screw 19 of the end face of constricting nozzle 18.Housing screw 19 is threaded with the first shoulder hole.Housing screw 19 is provided with central through hole.Dismantle or in installation process, use external tool to screw housing screw 19, can not directly screw constricting nozzle 18, thus avoid in dismounting or installation process, causing damage to constricting nozzle 18 and affecting the jeting effect of constricting nozzle 18.
As shown in Figure 4, spray gun 10 also comprises the pipe fitting joint 20 be arranged between gun barrel 11 and gun barrel joint 13.One end of pipe fitting joint 20 is connected with the first end of gun barrel joint 13, and the other end is connected with gun barrel 11.Pipe fitting joint 20 can realize Fast Installation between gun barrel 11 and gun barrel joint 13 or dismounting, improves and changes operation one after another.
In one embodiment, as shown in Figure 5, bend pipe 21 is set between pipe fitting joint 20 and gun barrel joint 13.One end of bend pipe 21 is connected with the first end of gun barrel joint 13, and the other end is connected with pipe fitting joint 20.After bend pipe 21 is set, angle is formed between the exit direction of nozzle 15 and gun barrel 11, thus when using this spray gun 10 with bend pipe 21 to carry out cleaning, washing and cleaning operation can be carried out to the object to be cleaned of narrow space or the clean surface being difficult to observe, widen the scope of application of spray gun 10.
Cleansing medium is for water and crystallite abrasive material, and the course of work of the spray gun 10 of the present embodiment is:
High pressure clear water in gun barrel 11 passes through constricting nozzle 18 compression injection in hybrid chamber.Form negative pressure in hybrid chamber, crystallite abrasive material enters hybrid chamber from the feedhole 141 of abrasive material pipe joint 14 and fully mixes with clear water.Mixed mixing cleansing medium, under High Pressure, enters the discharge opening 152 of nozzle 15 by the taper porose area of hybrid chamber and finally ejects surface for cleaning object to be cleaned.
Spray after different cleansing mediums can mix in advance by the spray gun 10 of the present embodiment in hybrid chamber and be used for cleaning, the cleaning effect treating cleaning of objects surface is obvious, improves operating efficiency, expands the scope of application.
In one embodiment, jet length requires is 15 meters to 20 meters.Scarf 142 is 5 degree to 60 degree with the angle β scope of the axis of centre bore 132, preferably 12 degree to 21 degree.The cone angle scope of the first bellmouth 151 is 20 degree to 90 degree, preferably 10.5 degree to 33 degree.The diameter D scope of the discharge opening 152 of nozzle 15 is 3 millimeters to 8 millimeters, preferably 4 millimeters to 5 millimeters, preferably 5 millimeters.Nozzle 15 length L scope is 20 millimeters to 100 millimeters, preferably 65 millimeters to 85 millimeters.
In one embodiment, jet length requires is 15 meters to 20 meters.Scarf 142 is 5 degree to 60 degree with the angle β scope of the axis of centre bore 132, preferably 11.5 degree to 26 degree.The cone angle scope of the first bellmouth 151 is 20 degree to 90 degree, preferably 9.5 degree to 32 degree.The diameter D scope of the discharge opening 152 of nozzle 15 is 3 millimeters to 8 millimeters, preferably 4 millimeters to 5 millimeters, preferably 5 millimeters.Nozzle 15 length L scope is 20 millimeters to 100 millimeters, preferably 32.5 millimeters to 45 millimeters.
In above two embodiments, when jet length requires identical, the nozzle 15 of different length can be selected.Select the cone angle size of the first bellmouth 151 to match with nozzle 15 length selected, to ensure good cleaning performance simultaneously.
The spray gun 10 of the present embodiment not only can reach the object of will carry out again cleaning after different cleansing medium mixing, and the end of abrasive material pipe 12 is set to scarf 142, thus abrasive material can mix with another cleansing medium (such as water) after entering into hybrid chamber from the outlet of this inclination better sufficiently uniformly.Mixed uniformly mixing cleansing medium can eject better from the discharge opening 152 of nozzle 15.Like this, spray gun 10 in use just not easily blocks, and ensure the continuity of washing and cleaning operation, and spray gun 10 is good to the compatibility of various abrasive material, expands the scope of application.
The spray gun 10 of the present embodiment also can use cleaning solvent and the mixed cleansing medium of water to clean the surface of object to be cleaned.
As shown in Figure 3, the utility model also proposes a kind of cleaning machine 100.This cleaning machine 100 comprises above-mentioned spray gun 10, thus makes the cleaning performance of this cleaning machine 100 good, and operating efficiency is high, applied widely.
Although be described the utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.

Claims (13)

1. a spray gun, is characterized in that, comprising:
Gun barrel joint, the installing hole being provided with centre bore and being connected with described centre bore, the opening of described installing hole is towards the first end of described gun barrel joint, and the axis of described installing hole and the axis of described centre bore form acute angle;
Abrasive material pipe joint, is connected with described installing hole, comprises and being connected and the feedhole coaxial with described installing hole with described centre bore;
Nozzle, is connected with the second end of described gun barrel joint, and comprise the first bellmouth be connected with described centre bore and the discharge opening be connected with the osculum end of described first bellmouth, described first bellmouth and centre bore form hybrid chamber.
2. spray gun according to claim 1, it is characterized in that, one end of described nozzle is provided with annular flange flange, and described spray gun also comprises and being set on described nozzle and the clamp nut matched with described annular flange flange, and described clamp nut is connected with the second end of described gun barrel joint.
3. spray gun according to claim 2, it is characterized in that, described spray gun also comprises the annular element be arranged in described centre bore, is provided with seal between the end face of described annular element and described annular flange flange, and described annular element comprises the second bellmouth be connected with described first bellmouth.
4. spray gun according to claim 3, is characterized in that, the big opening end diameter of described first bellmouth and the osculum end equal diameters of described second bellmouth.
5. spray gun according to claim 3, is characterized in that, the big opening end diameter of described first bellmouth is with the osculum end equal diameters of described second bellmouth and the tapering of described first bellmouth and described second bellmouth is identical.
6. spray gun according to claim 1, it is characterized in that, described centre bore comprises and is less than the diameter of described first shoulder hole and the second shoulder hole be connected with described first shoulder hole near first shoulder hole of first end of described gun barrel joint and diameter, and described spray gun also comprises the constricting nozzle that is connected with described second shoulder hole and to be arranged in described first shoulder hole and to be pressed on the housing screw of the end face of described constricting nozzle.
7. spray gun according to claim 6, is characterized in that, described spray gun also comprises gun barrel, is provided with pipe fitting joint between described gun barrel and described gun barrel joint.
8. spray gun according to claim 7, is characterized in that, is provided with bend pipe between described pipe fitting joint and described gun barrel joint.
9. spray gun according to claim 1, is characterized in that, described abrasive material pipe joint is set to scarf towards one end of described centre bore, and the axis of described scarf and described centre bore forms angle, and the scope of described angle is 5 degree to 60 degree.
10. spray gun according to claim 1, is characterized in that, the cone angle scope of described first bellmouth is 20 degree to 90 degree.
11. spray guns according to claim 1, is characterized in that, the diameter range of described discharge opening is 3 millimeters to 8 millimeters.
12. spray guns according to claim 1, is characterized in that, the length range of described nozzle is 20 millimeters to 100 millimeters.
13. 1 kinds of cleaning machines, is characterized in that, comprise the spray gun as described in claim arbitrary in claim 1 to 12.
CN201520671793.XU 2015-09-01 2015-09-01 Cleaning machine and spray gun Expired - Fee Related CN204911863U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520671793.XU CN204911863U (en) 2015-09-01 2015-09-01 Cleaning machine and spray gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520671793.XU CN204911863U (en) 2015-09-01 2015-09-01 Cleaning machine and spray gun

Publications (1)

Publication Number Publication Date
CN204911863U true CN204911863U (en) 2015-12-30

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Application Number Title Priority Date Filing Date
CN201520671793.XU Expired - Fee Related CN204911863U (en) 2015-09-01 2015-09-01 Cleaning machine and spray gun

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112742618A (en) * 2020-12-15 2021-05-04 国通净美科技服务有限公司 High-pressure water jet spray gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112742618A (en) * 2020-12-15 2021-05-04 国通净美科技服务有限公司 High-pressure water jet spray gun

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151230