CN216988156U

CN216988156U - Manual two-component spray gun

Info

Publication number: CN216988156U
Application number: CN202220231217.3U
Authority: CN
Inventors: 庄远向
Original assignee: Zhongtu Equipment Co ltd
Current assignee: Zhongtu Equipment Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-19
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a manual two-component spray gun which comprises a spray gun body, wherein a cavity A, a cavity B and a valve component are respectively arranged in the spray gun body, an air cap is also arranged at the gun head of the spray gun body, an channel A and a channel B which can be respectively communicated with the cavity A and the cavity B under the action of the valve component are respectively arranged in the air cap, one ends of the channel A and the channel B, which are far away from the spray gun body, are respectively provided with a nozzle A and a nozzle B, and the spraying directions of the nozzle A and the nozzle B are oppositely arranged, so that fluids sprayed by the nozzle A and the nozzle B can be mutually intersected. The spray gun of the utility model effectively avoids the mixing of fluid raw materials in the spray gun, ensures the mixing quality of the raw materials and improves the spraying efficiency.

Description

Manual two-component spray gun

Technical Field

The utility model relates to the technical field of spraying equipment, in particular to a manual two-component spray gun.

Background

The traditional two-component proportioning system comprises an operation station, a fluid disc, a controller and the like, occupies a large area and cannot be directly placed in an operation area for use, so that a spray gun is often used for spraying in the operation area. Most of the existing spray guns only have a single gun barrel, and when different fluid raw materials need to be mixed in spraying construction, a plurality of spray guns are usually adopted for being matched with each other, so that the spraying construction effect and the spraying construction efficiency can be influenced to a certain extent by operation. A two-component spray gun also appears in the market at present, but the existing two-component spray gun is provided with a mixing channel in the interior, two fluid raw materials are already mixed in the mixing channel, and the problem that the fluid raw materials are deteriorated due to long-time mixing in the spray gun is possibly caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a manual two-component spray gun, which effectively avoids the mixing of fluid raw materials in the spray gun, ensures the mixing quality of the raw materials and improves the spraying efficiency.

In order to achieve the above purposes, the utility model adopts the technical scheme that: the utility model provides a manual two ingredient spray gun, includes the spray gun body, this internal A cavity that is equipped with of spray gun, the B cavity, the valve member respectively, the rifle head department of spray gun body still is equipped with the air cap, be equipped with respectively in the air cap can be under the valve member effect respectively with the A passageway, the B passageway of A cavity, the one end that the spray gun body was kept away from to A passageway, B passageway is equipped with A spout, B spout respectively, and the injection direction of A spout, B spout sets up relatively, so that A spout, B spout spun fluid can intersect each other.

The utility model has the beneficial effects that: the cavity A and the cavity B are respectively arranged in the spray gun body to realize the respective storage of two fluid raw materials, and then the channel A and the channel B are respectively arranged in the air cap, so that the fluid raw materials in the cavity A and the cavity B are still in a mutually separated state when flowing through the air cap; the air cap is provided with the nozzle A and the nozzle B which are opposite in spraying direction, so that the two fluid raw materials can be mutually interacted after being sprayed out from the nozzle A or the nozzle B to achieve the purpose of mixing; in the process, the mixing of the two fluid raw materials is carried out outside the spray gun, the mixing period is short, the problem of raw material deterioration caused by long-time mixing can be avoided, and the spraying quality is ensured.

Further, the air cap comprises a cap main body sleeved on the spray gun body, a pair of parallel extension pipes are integrally arranged at one end, far away from the spray gun body, of the cap main body, and a nozzle A and a nozzle B are respectively arranged on opposite sides of the extension pipes. The fluid raw materials can be atomized and sprayed out through the arrangement of the air cap, and the spraying effect is improved.

Further, the injection directions of the nozzle a and the nozzle B are inclined from the direction close to the cap body to the direction away from the cap body. The A nozzle and the B nozzle which are obliquely arranged can prolong the spraying path, reduce the fluid pressure when the two fluid raw materials are crossed, and avoid the pollution problem of the A nozzle and the B nozzle caused by direct opposite flushing of the two fluid raw materials.

The valve assembly comprises an A valve part, a B valve part and a linkage plate, wherein the A valve part and the B valve part are arranged in one-to-one correspondence with the A chamber and the B chamber, and the linkage plate is used for driving the A valve part and the B valve part to be opened and closed synchronously; one end of the linkage plate extends out of the spray gun body and is connected with a trigger. The linkage plate is driven to move by the trigger, and then the A valve part and the B valve part are driven to synchronously move, so that the A chamber and the B chamber are synchronously opened or closed.

The valve part A comprises a valve needle, a return spring, a return sleeve and an adjusting knob, wherein the valve needle is arranged in the cavity A in a penetrating mode, one end of the valve needle is provided with a needle head used for blocking the cavity A and the channel A, and the other end of the valve needle is abutted to the adjusting knob; the reset sleeve is sleeved on the valve needle, and one end of the reset sleeve is embedded in the adjusting knob; the reset spring is sleeved on the reset sleeve, and two ends of the reset spring are respectively abutted against the reset sleeve and the adjusting knob.

Further, adjust knob includes the knob body, and the one end of knob body is equipped with the knob lantern ring that is used for inlaying the dress and resets the cover, is equipped with the knob bracing piece that supplies the needle butt in the knob lantern ring.

Further, a gas flow passage is arranged in the spray gun body, and an air interface communicated with the gas flow passage is arranged on a gun handle of the spray gun body.

Furthermore, a gun handle of the spray gun body is also provided with a flow regulating rod for regulating the air inlet flow.

Further, the spray gun body is also provided with an A component interface and a B component interface which are respectively communicated with the A chamber and the B chamber.

Drawings

FIG. 1 is a cut-away schematic view of a spray gun body of an embodiment of the present invention;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 1.

In the figure:

1-a spray gun body; 11-A chamber; 12-B chamber; 13-a component interface; a 14-B component interface; 15-gas flow channel; 16-air interface; 17-a flow regulating rod; 2-an air cap; a 21-A channel; 211-A nozzle; 22-B channel; 221-B nozzle; 23-an extension tube; 3-a linkage plate; 4-trigger; 51-a valve needle; 511-needle; 52-a return spring; 53-a reduction sleeve; 54-adjusting knob; 541-knob body; 542-a knob collar; 543-knob support bar.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Examples

Referring to the attached drawings 1-2, the manual two-component spray gun comprises a spray gun body 1, wherein a chamber A11, a chamber B12 and a valve assembly are respectively arranged in the spray gun body 1, and an A component interface 13 and a B component interface 14 which are respectively communicated with the chamber A11 and the chamber B12 are also arranged on the spray gun body 1. An air cap 2 is further arranged at the gun head of the spray gun body 2, an A channel 21 and a B channel 22 which can be respectively communicated with the A cavity 11 and the B cavity 12 under the action of the valve assembly are respectively arranged in the air cap 2, an A nozzle 211 and a B nozzle 221 are respectively arranged at one ends, far away from the spray gun body 1, of the A channel 21 and the B channel 22, and the injection directions of the A nozzle 211 and the B nozzle 221 are oppositely arranged, so that fluids sprayed by the A nozzle 211 and the B nozzle 221 can mutually intersect.

The chamber A11 and the chamber B12 are respectively arranged in the spray gun body 1 to realize the respective storage of two fluid raw materials, and the channel A21 and the channel B22 are respectively arranged in the air cap 2 to ensure that the fluid raw materials in the chamber A11 and the chamber B12 are still in a mutually separated state when flowing through the air cap 2; then, the air cap 2 is provided with the nozzle A211 and the nozzle B221 with opposite spraying directions, so that the two fluid raw materials can be mutually interacted after being sprayed out from the nozzle A211 or the nozzle B221 to realize the purpose of mixing; in the process, the mixing of the two fluid raw materials is carried out outside the spray gun, the mixing period is short, the problem of raw material deterioration caused by long-time mixing can be avoided, and the spraying quality is ensured.

In one embodiment, referring to figure 2, the air cap 2 comprises a cap body which fits over the spray gun body, the end of the cap body remote from the spray gun body 1 being integrally provided with a pair of parallel extension tubes 23. The cap body is provided with an a channel 21 together with the inside of one extension pipe 23, and the cap body is provided with a B channel 22 together with the inside of the other extension pipe 23. And the opposite sides of the pair of extension pipes 23 are respectively provided with an A nozzle 211 and a B nozzle 221. The two fluid raw materials in the channel A21 and the channel B22 can be respectively led out from the spray gun body 1 through the arrangement of the extension pipe 23, so that the two fluid raw materials are prevented from being mixed in the spray gun body 1; and the arrangement of the air cap 2 can atomize and spray the fluid raw materials through high pressure, thereby improving the spraying effect.

Further, the ejection directions of the a and

B ejection ports

211 and 221 are inclined from the vicinity of the cap body to the direction away from the cap body. The A nozzle 211 and the B nozzle 221 which are obliquely arranged can prolong the spraying path, reduce the fluid pressure when the two fluid raw materials are intersected, and avoid the pollution problem of the A nozzle 211 and the B nozzle 221 caused by the direct opposite flushing of the two fluid raw materials.

In one embodiment, referring to fig. 1 and 3, the valve assembly comprises an a valve part, a B valve part and a linkage plate 3, wherein the a valve part is arranged corresponding to the a chamber 11 and is used for communicating or blocking the a chamber 11 and the a channel 21. The B valve portion is provided corresponding to the B chamber 12 to communicate or block the B chamber 12 and the B channel 22. The linkage plate 3 is respectively connected with the valve part A and the valve part B and used for driving the valve part A and the valve part B to be opened and closed synchronously, and one end of the linkage plate 3 extends out of the spray gun body 1 and is connected with a trigger 4 convenient for force application. The trigger 4 drives the linkage plate 3 to move, and further drives the A valve part and the B valve part to synchronously move so as to realize the synchronous opening or closing of the A chamber 11 and the B chamber 12.

Specifically, the a valve portion and the B valve portion have the same structure, and in one embodiment, the a valve portion includes a needle 51, a return spring 52, a return sleeve 53, and an adjustment knob 54. The needle 51 is inserted into the chamber a 11, and has one end provided with a needle 511 for closing the chamber a 11 and the passage a 21, and the other end abutting against the adjustment knob 54. The reset sleeve 53 is sleeved on the valve needle 51, and one end of the reset sleeve is embedded in the adjusting knob 54; the return spring 52 is fitted around the return sleeve 53, and both ends thereof are respectively abutted against the return sleeve 53 and the adjustment knob 54. It should be noted that the linkage plate 3 is sleeved on the valve needle 51 to drive the valve needle 51 to move.

In the initial state, the needle 511 blocks the cavity A11 and the channel A21, and the return spring 52 is in a natural state; when the trigger 4 is pulled, the linkage plate 3 moves synchronously and drives the valve needle 51 to move towards the direction close to the adjusting knob 54, at the moment, the needle 511 moves backwards so that the cavity A11 and the channel A21 are in a communicated state, and the return spring 52 is compressed; when the trigger 4 is released, the return spring 52 is reset, and the valve needle 51 is driven to move towards the direction close to the needle 511, the needle 511 moves forwards, and the chamber A11 and the channel A21 are blocked again, and the linkage plate 3 and the trigger 4 are reset along with the needle.

In one embodiment, the adjustment knob 54 is used to adjust the initial position of the valve needle 51, so as to adjust the degree of sealing of the needle 511 between the a-chamber 11 and the a-channel 21. Specifically, the adjusting knob 54 includes a knob body 541 capable of rotating along the spray gun body 1, a knob sleeve 542 for embedding the return sleeve 53 is disposed at one end of the knob body 541, and a knob support rod 543 for abutting against the valve needle 51 is disposed in the knob sleeve 542.

In an embodiment, the spray gun body 1 is further provided with a gas flow passage 15, and a gun handle of the spray gun body 1 is provided with an air interface 16 communicated with the gas flow passage 15. The gun handle of the spray gun body 1 is also provided with a flow adjusting rod 17 for adjusting the air inlet flow. The arrangement of the gas flow passage 15 and the air interface 16 is convenient for introducing gas into the a chamber 11 and the B chamber 12, so that the fluid raw materials in the a chamber 11 and the B chamber 12 can enter the a channel 21 or the B channel 22 under the action of the gas pressure.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a manual two ingredient spray gun, includes the spray gun body, its characterized in that: the spray gun comprises a spray gun body and is characterized in that an A chamber, a B chamber and a valve assembly are respectively arranged in the spray gun body, an air cap is further arranged at the gun head of the spray gun body, an A channel and a B channel which can be respectively communicated with the A chamber and the B chamber under the action of the valve assembly are respectively arranged in the air cap, a nozzle A and a nozzle B are respectively arranged at one ends of the A channel and the B channel far away from the spray gun body, and the injection directions of the nozzle A and the nozzle B are oppositely arranged so that fluids sprayed by the nozzle A and the nozzle B can mutually intersect.

2. The manual two-component spray gun of claim 1, characterized in that: the air cap comprises a cap main body sleeved on the spray gun body, one end, far away from the spray gun body, of the cap main body is integrally provided with a pair of parallel extension pipes, and the A nozzle and the B nozzle are arranged on the opposite sides of the extension pipes respectively.

3. The manual two-component spray gun of claim 2, characterized in that: the spraying directions of the nozzle A and the nozzle B are inclined from the direction close to the cap body to the direction far away from the cap body.

4. A manual two-component spray gun according to any one of claims 1-3, characterized in that: the valve assembly comprises an A valve part, a B valve part and a linkage plate, the A valve part and the B valve part are arranged in one-to-one correspondence with the A chamber and the B chamber, and the linkage plate is used for driving the A valve part and the B valve part to be opened and closed synchronously; one end of the linkage plate extends out of the spray gun body and is connected with a trigger.

5. The manual two-component spray gun of claim 4, characterized in that: the valve part A comprises a valve needle, a return spring, a return sleeve and an adjusting knob, the valve needle is arranged in the cavity A in a penetrating mode, one end of the valve needle is provided with a needle head used for blocking the cavity A and the channel A, and the other end of the valve needle abuts against the adjusting knob; the reset sleeve is sleeved on the valve needle, and one end of the reset sleeve is embedded in the adjusting knob; the reset spring is sleeved on the reset sleeve, and two ends of the reset spring are respectively abutted against the reset sleeve and the adjusting knob.

6. The manual two-component spray gun of claim 5, characterized in that: the adjusting knob comprises a knob body, one end of the knob body is provided with a knob sleeve ring used for embedding the reset sleeve, and a knob support rod used for abutting the valve needle is arranged in the knob sleeve ring.

7. The manual two-component spray gun of claim 1, characterized in that: the spray gun is characterized in that a gas flow channel is further arranged in the spray gun body, and an air interface communicated with the gas flow channel is formed in a gun handle of the spray gun body.

8. The manual two-component spray gun of claim 7, characterized in that: and a gun handle of the spray gun body is also provided with a flow regulating rod for regulating the air inlet flow.

9. The manual two-component spray gun of claim 7, characterized in that: and the spray gun body is also provided with an A component interface and a B component interface which are respectively communicated with the A cavity and the B cavity.