CN217725896U - A mix spray gun for two ingredient waterproof coating - Google Patents
A mix spray gun for two ingredient waterproof coating Download PDFInfo
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- CN217725896U CN217725896U CN202220521004.4U CN202220521004U CN217725896U CN 217725896 U CN217725896 U CN 217725896U CN 202220521004 U CN202220521004 U CN 202220521004U CN 217725896 U CN217725896 U CN 217725896U
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Abstract
The utility model provides a mix spray gun for two ingredient water proof coating, include: a spray gun seat; a spray gun head; the first component channel is arranged on the spray gun seat, and the air inlet end of the first component channel is used for being connected with the first component feeding mechanism; the second component channel is arranged on the spray gun seat, and the air inlet end of the second component channel is used for being connected with a second component feeding mechanism; the mixing part comprises a Venturi tube, the air outlet end of the first component channel is communicated with the air inlet end of the Venturi tube, the air outlet end of the Venturi tube is communicated with the air outlet end of the second component channel, and the air outlet end of the Venturi tube is also connected with the spray gun head; and the spray gun switch is used for switching on or switching off the material conveying of the first component passage and the second component passage. This spray gun sets up venturi in compounding portion, can let the better mixture of two ingredient waterproof material, still is equipped with the high-pressure gas passageway, can avoid appearing solidification, scale deposit, silt up stifled machine pipeline or shower nozzle to the inside pipeline desilting of spray gun, guarantees the quality of spraying construction.
Description
Technical Field
The utility model belongs to the technical field of the spraying equipment, concretely relates to a mix spray gun for two ingredient water proof coating.
Background
A spray coater is a special coating device in the technical field of spraying, and is generally provided with a spray gun, and the spray coater sprays materials onto a target through the spray gun under the action of pressure. However, most spray guns at present generally only support spraying of one material, but in the field of waterproofing, two-component mixing is often required for action, so that two-component spray guns are required.
In the current spraying construction of the two-component waterproof material, the components are generally mixed on a spray gun, but the mixing effect of the existing mixing spray guns for the two-component waterproof coating on the market on the spraying of the viscous waterproof material is not ideal, the phenomena of solidification, scaling and clogging of a machine pipeline or a spray head are easy to occur, and the spraying usually needs larger spraying pressure. For example, chinese patent publication No. CN211160284U discloses a portable two-component foaming agent spray gun, which comprises a gun body and a mixer, wherein two independent channels are arranged in the gun body, the front ends of the independent channels are both communicated with the mixer, the rear end of the gun body is provided with a connecting seat, the connecting seat is provided with two independent liquid/air inlet channels, outlets of the two independent liquid/air inlet channels are respectively communicated with the two independent channels in a one-to-one correspondence manner, inlets of the two independent liquid/air inlet channels are respectively provided with liquid inlet valves adapted to a two-component foaming agent, but for a viscous material, the mixing effect of the two components in the mixer is poor, so that the sprayed material is not uniform, and the internal pipeline is easy to solidify and scale.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a mix spray gun for two ingredient water proof coating sets up venturi in compounding portion, can let two ingredient waterproof material have better mixed effect, still is equipped with the high-pressure gas passageway, can be to the inside pipeline desilting of spray gun, avoids appearing solidification, scale deposit, the phenomenon of silt up stifled machine pipeline or shower nozzle, guarantees the quality of spraying construction.
In order to solve the above problem, the utility model provides a mix spray gun for two ingredient water proof coating, include:
a spray gun base;
a spray gun head;
the first component channel is arranged on the spray gun seat, and the air inlet end of the first component channel is used for being connected with a first component feeding mechanism;
the second component channel is arranged on the spray gun seat, and the air inlet end of the second component channel is used for being connected with a second component feeding mechanism;
the mixing part comprises a Venturi tube, the air outlet end of the first component channel is communicated with the air inlet end of the Venturi tube, the air outlet end of the Venturi tube is communicated with the air outlet end of the second component channel, and the air outlet end of the Venturi tube is also connected with the spray gun head;
and the spray gun switch is used for switching on or switching off the material conveying of the first component channel and the second component channel.
Preferably, the method further comprises the following steps:
the high-pressure gas channel is used for connecting a high-pressure gas supply mechanism, and the gas outlet end of the high-pressure gas channel is communicated with the gas inlet end of the Venturi tube;
and the high-pressure gas switch is used for switching on or switching off the gas transmission of the high-pressure gas channel.
Preferably, the first component passage comprises a first one-way valve;
the second component passage includes a second one-way valve.
Preferably, the mixing part further includes:
the mixing valve is internally provided with a first channel, a second channel and a cavity part, and the Venturi tube is arranged in the cavity part; the air inlet end of the first channel is communicated with the air outlet end of the first component channel, and the air outlet end of the first channel is communicated with the air inlet end of the Venturi tube; the gas inlet end of the second channel is communicated with the gas outlet end of the second component channel, and the gas outlet end of the second channel is communicated with the gas outlet end of the Venturi tube;
the mixing pipe is connected with the mixing valve, the air inlet end of the mixing pipe is communicated with the air outlet end of the Venturi pipe, and the air outlet end of the mixing pipe is connected with the spray gun head.
Preferably, the first component channel further comprises a first component feeding pipe, a first movable joint, a first adapter and a second adapter, the first component feeding pipe, the first movable joint, the first adapter, the first one-way valve and the second adapter are sequentially connected, and the second adapter is connected with the air inlet end of the first channel of the mixing valve;
the second component passageway still includes second component material pipe, second union, third adapter, fourth adapter, the second component material pipe the second union the third adapter the second check valve the fourth adapter connects gradually, the fourth adapter with the inlet end of the second passageway of compounding valve is connected.
Preferably, the method further comprises the following steps:
and the third one-way valve is arranged on the high-pressure gas channel.
Preferably, a sealing gasket is arranged at the joint of the first movable joint and the first adapter and/or the joint of the second movable joint and the third adapter and/or the joint of the mixing pipe and the mixing valve.
Preferably, the high-pressure gas switch is linked with the spray gun switch, and the high-pressure gas switch is turned on when the spray gun switch is turned off.
Preferably, the high-pressure gas passage and the third check valve are connected by a quick coupling.
Preferably, the venturi pipe comprises a venturi head and a venturi sleeve, the venturi pipe is in threaded connection with the inner thread of the cavity part of the mixing valve through an external thread, and the venturi head is in threaded connection with the inner thread of the venturi sleeve through an external thread.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses a mixed spray gun for two ingredient waterproof coating, when the spraying, first component, second component are sent to first component passageway, second component passageway by the flush coater respectively, after the first component that the feed volume is big gets into compounding portion, because venturi effect of venturi, the cross-section reduces and causes the velocity of flow of first component to accelerate, forms the vacuum zone in venturi, after the second component that the feed volume is little gets into compounding portion, because the effect of vacuum zone, the second component in the second component passageway is inhaled compounding portion with higher speed, flows to the spray gun head direction together after fully mixing with first component, spouts to the construction position, the utility model discloses a mixed spray gun for two ingredient waterproof coating utilizes venturi effect, makes two kinds of components of two ingredient waterproof coating obtain the intensive mixing in the spray gun, improves the spraying effect, guarantees spraying construction quality;
2. the utility model discloses a mix spray gun for two ingredient waterproof coating has further set up high-pressure gas passageway and switch, when the spraying finishes or the spraying pauses, can open the high-pressure gas switch, and high-pressure gas gets into venturi through the high-pressure gas passageway, blows away the remaining material in the spray gun pipeline, avoids appearing solidification, scale deposit, the phenomenon of clogging machine pipeline or shower nozzle;
3. the utility model discloses a mix spray gun for two ingredient water proof coating has further set up first check valve, second check valve, third check valve, through set up the check valve on first component passageway, second component passageway, high-pressure gas passageway, can prevent first component, second component adverse current in the passageway, still can prevent that high-pressure gas from carrying the back, the coating component of participation in the passageway is adverse current.
Drawings
FIG. 1 is an exploded view of a mixing gun for two-component waterproof coating according to an embodiment of the present invention;
FIG. 2 is a top view of a mixing spray gun for two-component waterproofing paint according to an embodiment of the present invention;
fig. 3 is a perspective view of a mixing spray gun for two-component waterproof coating according to an embodiment of the present invention.
Wherein: 1-a spray gun base; 2-a spray gun head; 3-a venturi tube; 31-a venturi head; 32-a venturi sleeve; 4-high pressure gas channel; 5-a first one-way valve; 6-a second one-way valve; 7-a mixing valve; 71-a first channel; 72-a second channel; 73-cavity part; 8-a mixing pipe; 9-a first component feeding pipe; 10-a first loose joint; 11-a first swivel joint; 12-a second adapter; 13-second component feed pipe; 14-a second loose joint; 15-a third adapter; 16-a fourth adapter; 17-third one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, 2 and 3, the mixing spray gun for two-component waterproof coating material according to the present embodiment includes:
a spray gun base 1;
a spray gun head 2;
the first component channel is arranged on the spray gun seat 1, and the air inlet end of the first component channel is used for being connected with a first component feeding mechanism;
the second component channel is arranged on the spray gun seat 1, and the air inlet end of the second component channel is used for being connected with a second component feeding mechanism;
the mixing part comprises a Venturi tube 3, the air outlet end of the first component channel is communicated with the air inlet end of the Venturi tube 3, the air outlet end of the Venturi tube 3 is communicated with the air outlet end of the second component channel, and the air outlet end of the Venturi tube 3 is also connected with the spray gun head 2;
and the spray gun switch is used for switching on or switching off the material conveying of the first component passage and the second component passage.
The working process of the mixing spray gun for the two-component waterproof coating of the embodiment is as follows: when spraying, the first component channel and the second component channel are respectively connected with an outlet of a first component feeding mechanism and an outlet of a second component feeding mechanism of a spraying machine, a first component (generally, a component B in the field of two-component waterproof paint) with large feeding amount is fed to the first component channel under the action of the spraying machine, a second component (generally, a component A in the field of two-component waterproof paint) with small feeding amount is fed to the second component channel under the action of the spraying machine, the first component enters from the front of a Venturi tube after entering a mixing part, the flow velocity of the first component is accelerated due to the reduction of the cross section due to the Venturi effect, a vacuum zone is formed in the Venturi tube, the second component enters from the rear of the mixing part, and the second component in the second component channel is sucked into the mixing part in an accelerated manner due to the action of the vacuum zone, flows towards the direction of a spraying gun head after being fully mixed with the first component, and is sprayed to a construction site. The mixing spray gun for the two-component waterproof coating material of the embodiment utilizes the Venturi effect to fully mix two components of the two-component waterproof coating material in the spray gun, so that the spraying effect is improved, and the spraying construction quality is ensured.
Further, this a mixing spray gun for two-component waterproof coating still includes:
the high-pressure gas channel 4 is used for connecting a high-pressure gas supply mechanism with the gas inlet end of the high-pressure gas channel 4, and the gas outlet end of the high-pressure gas channel 4 is communicated with the gas inlet end of the Venturi tube 3;
and the high-pressure gas switch is used for switching on or off the gas transmission of the high-pressure gas channel 4.
According to the mixed spray gun for the two-component waterproof coating, when the spraying is finished or the spraying is suspended, the high-pressure gas switch can be turned on, the high-pressure gas enters the Venturi tube through the high-pressure gas channel, the residual materials in the spray gun pipeline are blown away, and the phenomena of solidification, scaling and blocking of the machine pipeline or the spray head are avoided.
Further, the first component passage comprises a first one-way valve 5; the second component passage comprises a second one-way valve 6. The first one-way valve is mounted to allow gas to flow from the inlet end to the outlet end of the first component passage. The second one-way valve is mounted to allow gas to flow from the inlet end to the outlet end of the second component passage. The mixing spray gun for the two-component waterproof coating material of the embodiment can prevent the first component and the second component in the channel from flowing reversely by arranging the one-way valves on the first component channel and the second component channel, and can also prevent the coating components participating in the channel from flowing reversely after high-pressure gas is conveyed.
Further, the compounding portion still includes:
the mixing valve 7 is internally provided with a first channel 71, a second channel 72 and a cavity 73, and the Venturi tube 3 is arranged in the cavity 73; the air inlet end of the first channel 71 is communicated with the air outlet end of the first component channel, and the air outlet end of the first channel 71 is communicated with the air inlet end of the venturi tube 3; the gas inlet end of the second channel 72 is communicated with the gas outlet end of the second component channel, and the gas outlet end of the second channel 72 is communicated with the gas outlet end of the venturi tube 3;
the mixing device comprises a mixing pipe 8, the mixing pipe 8 is connected with the mixing valve 7, the air inlet end of the mixing pipe 8 is communicated with the air outlet end of the Venturi tube 3, and the air outlet end of the mixing pipe 8 is connected with the spray gun head 2.
Further, the first component channel further includes a first component feeding pipe 9, a first movable joint 10, a first adapter 11, and a second adapter 12, the first component feeding pipe 9, the first movable joint 10, the first adapter 11, the first check valve 5, and the second adapter 12 are sequentially connected, and the second adapter 12 is connected to an air inlet end of the first channel 71 of the mixing valve 7;
the second component passageway still includes second component material pipe 13, second union 14, third adapter 15, fourth adapter 16, second component material pipe 13 the second union 14 the third adapter 15 the second check valve 6 the fourth adapter 16 connects gradually, fourth adapter 16 with the inlet end of the second passageway of compounding valve 7 is connected.
The first movable joint and the second movable joint are arranged, so that the first component feeding pipe and the second component feeding pipe can be detached and installed more conveniently; the first adapter, the second adapter, the third adapter and the fourth adapter facilitate connection between the movable joint and the one-way valve.
Further, the first movable joint and the second movable joint are in the prior art and generally comprise a nut, a cloud head and a butt joint.
Further, still include:
and the third check valve 17 is arranged on the high-pressure gas channel 4.
The third one-way valve can prevent the first component and the second component of the coating from flowing reversely after the high-pressure gas is filled.
Preferably, a sealing gasket is arranged at the joint of the first movable joint and the first adapter and/or the joint of the second movable joint and the third adapter and/or the joint of the mixing pipe and the mixing valve. The sealing gasket can prevent air leakage or paint leakage at the joint.
Preferably, the high-pressure gas switch is linked with the spray gun switch, and the high-pressure gas switch is turned on when the spray gun switch is turned off. When the spray gun switch is in a closed state, the high-pressure gas switch is automatically opened to carry out dredging operation.
Preferably, the high-pressure gas passage and the third check valve are connected by a quick coupling.
The quick connector can facilitate the connection and the removal of the high-pressure gas channel.
Preferably, the venturi tube 3 comprises a venturi head 31 and a venturi sleeve 32, the venturi tube 3 is connected with the inner thread of the cavity 73 of the mixing valve 7 by an outer thread, and the venturi head 31 is connected with the inner thread of the venturi sleeve 32 by an outer thread.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A mixing spray gun for two-component waterproof paint, characterized by comprising:
a spray gun base;
a spray gun head;
the first component channel is arranged on the spray gun seat, and the air inlet end of the first component channel is used for being connected with a first component feeding mechanism;
the second component channel is arranged on the spray gun seat, and the air inlet end of the second component channel is used for being connected with a second component feeding mechanism;
the mixing part comprises a Venturi tube, the air outlet end of the first component channel is communicated with the air inlet end of the Venturi tube, the air outlet end of the Venturi tube is communicated with the air outlet end of the second component channel, and the air outlet end of the Venturi tube is also connected with the spray gun head;
and the spray gun switch is used for switching on or switching off the material conveying of the first component channel and the second component channel.
2. The mixing spray gun for two-component waterproof coating material according to claim 1, characterized by further comprising:
the high-pressure gas channel is used for connecting a high-pressure gas supply mechanism, and the gas outlet end of the high-pressure gas channel is communicated with the gas inlet end of the Venturi tube;
and the high-pressure gas switch is used for switching on or switching off the gas transmission of the high-pressure gas channel.
3. The mixing gun for two-component waterproof coating material according to claim 2, characterized in that:
the first component passage includes a first one-way valve;
the second component passage includes a second one-way valve.
4. A mixing spray gun for two-component waterproof paint according to claim 3, characterized in that the mixing section further comprises:
the mixing valve is internally provided with a first channel, a second channel and a cavity part, and the Venturi tube is arranged in the cavity part; the air inlet end of the first channel is communicated with the air outlet end of the first component channel, and the air outlet end of the first channel is communicated with the air inlet end of the Venturi tube; the gas inlet end of the second channel is communicated with the gas outlet end of the second component channel, and the gas outlet end of the second channel is communicated with the gas outlet end of the Venturi tube;
the mixing pipe is connected with the mixing valve, the air inlet end of the mixing pipe is communicated with the air outlet end of the Venturi pipe, and the air outlet end of the mixing pipe is connected with the spray gun head.
5. The mixing gun for two-component waterproof coating material according to claim 4, characterized in that:
the first component channel further comprises a first component feeding pipe, a first movable joint, a first adapter and a second adapter, the first component feeding pipe, the first movable joint, the first adapter, the first one-way valve and the second adapter are sequentially connected, and the second adapter is connected with the air inlet end of the first channel of the mixing valve;
the second component passageway still includes second component material pipe, second union, third adapter, fourth adapter, the second component material pipe the second union the third adapter the second check valve the fourth adapter connects gradually, the fourth adapter with the inlet end of the second passageway of compounding valve is connected.
6. A mixing spray gun for two-component waterproofing paint according to claim 2, further comprising:
and the third one-way valve is arranged on the high-pressure gas channel.
7. The mixing gun for two-component waterproof coating material according to claim 5, characterized in that:
and sealing gaskets are arranged at the joint of the first movable joint and the first adapter and/or the joint of the second movable joint and the third adapter and/or the joint of the mixing pipe and the mixing valve.
8. A mixing gun for two-component waterproofing paint according to claim 2, characterized in that:
the high-pressure gas switch is linked with the spray gun switch, and the high-pressure gas switch is turned on when the spray gun switch is turned off.
9. The mixing gun for two-component waterproof coating material according to claim 6, characterized in that:
the high-pressure gas channel is connected with the third one-way valve through a quick connector.
10. The mixing gun for two-component waterproof coating material according to claim 4, characterized in that:
venturi includes venturi head and venturi sleeve pipe, venturi pass through the external screw thread with the compounding valve the internal thread connection of chamber portion, venturi head pass through the external screw thread with venturi sheathed tube internal thread connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021232150008 | 2021-12-20 | ||
| CN202123215000 | 2021-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217725896U true CN217725896U (en) | 2022-11-04 |
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ID=83815296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220521004.4U Active CN217725896U (en) | 2021-12-20 | 2022-03-09 | A mix spray gun for two ingredient waterproof coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217725896U (en) |
-
2022
- 2022-03-09 CN CN202220521004.4U patent/CN217725896U/en active Active
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