CN204544532U - Micro Siphon Spray Gun - Google Patents

Abstract

The utility model relates to a miniature siphon spray gun, which comprises a liquid inlet pipeline, an air inlet pipeline, an elbow mixer and a spray head, wherein a main air flow channel is formed between the inner wall of the air inlet pipeline and the outer wall of the liquid inlet pipeline; a hollow rotational flow core is arranged in a communication space between the elbow mixer and the spray head, a first channel is formed between the outer wall of the hollow rotational flow core and the inner wall of the elbow mixer and the inner wall of the spray head, the first channel is communicated with the outlet of the spray head, and a connecting channel for communicating the first channel with the main gas flow channel is arranged on the elbow mixer; and a second channel isolated from the first channel is formed in the hollow cyclone core and the elbow mixer, the second channel is communicated with the liquid inlet pipeline, and the outlet of the hollow cyclone core extends to the outlet of the spray head. The utility model discloses a gas-liquid double-fluid spraying and hydrocone type structure, the spraying effect is compared the single-fluid effect better, and just can reach best effect under the low pressure.

Description

Micro Siphon Spray Gun

Technical field:

The utility model relates to the technical field of spray equipment, in particular to a miniature siphon spray gun.

Background technique:

The existing spray gun has complex structure, many spare parts, cumbersome processing, and uses air pressure and water pressure to supply (or high water pressure spray) at the same time, which has high requirements on the use site or equipment, inconvenient use and high cost. The spraying effect of the existing spray gun is poor under low pressure adjustment, and the phenomena such as nozzle clogging are prone to occur. In addition, the structure is complicated, so that the cleaning or maintenance of the nozzle is relatively cumbersome.

Utility model content:

The purpose of the utility model is to provide a miniature siphon type spray gun for the above-mentioned shortcomings of existing products.

The technical solution adopted by the utility model is: a miniature siphon spray gun, which includes a liquid inlet pipe, an air inlet pipe sleeved on the periphery of the liquid inlet pipe, and a bend connected to the liquid inlet pipe and the air inlet pipe at the same time. A head mixer and a spray head connected to the outer end of the elbow mixer, wherein the main air flow channel is formed between the inner wall of the inlet pipe and the outer wall of the liquid inlet pipe; a hollow swirl is built in the communication space between the elbow mixer and the nozzle Core, the first channel is formed between the outer wall of the hollow swirl core and the inner wall of the elbow mixer and the inner wall of the nozzle, the first channel communicates with the outlet of the nozzle, and the elbow mixer is provided with a first channel that communicates with the main air flow The connecting channel of the channel; the second channel isolated from the first channel is formed in the hollow swirl core and the elbow mixer, the second channel is communicated with the liquid inlet pipeline, and the outlet of the hollow swirl core extends to the outlet of the nozzle .

The gas-liquid separator is connected to the gas-liquid separator at the inlet end of the gas-liquid separator, and a radial gas inlet is provided on the side of the gas-liquid separator; The liquid separator is also connected with an axial liquid inlet, the inner wall of the axial liquid inlet is threadedly connected with the outer wall of the liquid inlet pipe, and the outer wall of the axial liquid inlet is threaded with the inner wall of the gas-liquid separator.

Adjusting nuts are also connected to the joints of the elbow mixer and the intake pipe, and the joints of the elbow mixer and the spray nozzle.

The advantages of the utility model are mainly reflected in:

1. Using gas-liquid two-fluid spray, the spray effect is better than that of single fluid, and the best effect can be achieved under low pressure;

2. The siphon structure does not require a water pump to supply pressure, which greatly saves the cost and difficulty of operation;

3. The nozzle part adopts a split structure, which makes cleaning or replacement (maintenance) easier;

4. Solve the problem that the spray gun is easy to block, and the improved spray gun has been significantly improved;

5. Reduce the supply requirements of the spray gun on the site or equipment, and make it more convenient to use.

Description of drawings:

Fig. 1 is the overall sectional view of spray gun of the present utility model.

Detailed ways:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in Figure 1, a kind of miniature siphon type spray gun described in the utility model, this siphon type spray gun comprises liquid inlet pipe 1, the air inlet pipe 2 that is sleeved on the periphery of this liquid inlet pipe 1, simultaneously with the liquid inlet pipe 1 An elbow mixer 3 communicated with the intake pipe 2 and a spray head 4 connected to the outer end of the elbow mixer 3, wherein a main air flow channel 200 is formed between the inner wall of the intake pipe 2 and the outer wall of the liquid inlet pipe 1; A hollow swirl core 5 is built in the communication space between the elbow mixer 3 and the nozzle 4, and a first channel 501 is formed between the outer wall of the hollow swirl core 5, the inner wall of the elbow mixer 3 and the inner wall of the nozzle 4, and the first channel 501 communicates with the outlet of the spray head 4, and the elbow mixer 3 is provided with a connecting channel 301 communicating with the first channel 501 and the main air flow channel 200; 501 is separated from the second channel 502 , the second channel 502 communicates with the liquid inlet pipe 1 , and the outlet of the hollow swirl core 5 extends to the outlet of the nozzle 4 .

Specifically, the gas-liquid separator 6 is connected to the gas-liquid separator 6 at the inlet end of the gas-liquid separator 6, and laser welding is used to seal the connection between the gas-liquid separator 6; the side of the gas-liquid separator 6 A radial air inlet 61 is provided, and the radial air inlet 61 communicates with the main gas flow channel 200; the liquid inlet end of the liquid inlet pipe 1 passes through the gas-liquid separator 6 in the axial direction and is connected with an axial inlet The liquid port 7, the inner wall of the axial liquid inlet 7 is threadedly connected with the outer wall of the liquid inlet pipe 1, and the outer wall of the axial liquid inlet 7 is threaded with the inner wall of the gas-liquid separator 6, so that the gas-liquid can be separated and entered.

The working process of the spray gun of the present utility model is: compressed air enters the main air flow channel 200 through the radial air inlet 61, then enters the first channel 501 outside the hollow swirl core 5 through the connecting channel 301, and finally connects the hollow swirl core 5 from the outlet of the nozzle 4. The compressed air sprayed out between the outer walls of the outlet of the swirl core 5 makes a negative pressure at the outlet of the hollow swirl core 5, and under the action of the pressure difference, the inside of the hollow swirl core 5, that is, the second channel 502, generates a siphon function, and use the liquid inlet pipe 1 connected with it to siphon the liquid from the liquid container or liquid pipe to the elbow mixer 3 and the center swirl core 5, the liquid generates swirl and sprays from the outlet of the hollow swirl core 5 out, mixed with high-speed sprayed compressed air and further atomized and sprayed to achieve a better spraying effect.

Adjusting nuts 31 are also connected to the connection between the elbow mixer 3 and the intake pipe 2, and the connection between the elbow mixer 3 and the nozzle 4, so as to adjust and control the inlet pipe 2 and the nozzle 4 as required. Connection position with elbow mixer 3.

The advantages of the utility model are mainly reflected in:

1. Using gas-liquid two-fluid spray, the spray effect is better than that of single fluid, and the best effect can be achieved under low pressure;

2. The siphon structure does not require a water pump to supply pressure, which greatly saves the cost and difficulty of operation;

3. The nozzle part adopts a split structure, making it easier to clean or replace;

4. Solve the problem that the spray gun is easy to block, and the improved spray gun has been significantly improved;

5. Reduce the supply requirements of the spray gun on the site or equipment, and make it more convenient to use.

The spray gun of the utility model is not only used in the field of pharmacy, but also in other industries, such as post-treatment of diesel engine exhaust, clothing, cooling of electronic workshops, cleaning of circuit boards, deodorization of garbage incineration stations, cheese spraying of bread machines, and dust suppression of coal pile turnover stations. , glass sintering, chemical industry and other high temperature flue gas spray cooling, etc.

Claims (3)

1. a miniature hydrocone type spray gun, it is characterized in that: this hydrocone type spray gun comprises input duct, is set in the admission line of this input duct periphery, the elbow blender that is simultaneously communicated with admission line with input duct and the shower nozzle be connected with elbow blender outer end, wherein, main air flow passage is formed between admission line inwall and input duct outer wall; The connected space of described elbow blender and shower nozzle is built-in with a hollow eddy flow core, the outer wall of described hollow eddy flow core and form first passage between elbow mixer inner walls and shower nozzle inwall, first passage communicates with spray outlet, and on elbow blender, offer the interface channel being communicated with first passage and main air flow passage; Form the second channel isolated with first passage in hollow eddy flow in-core and elbow blender, second channel is communicated with described input duct, and the outlet of hollow eddy flow core extends to spray outlet place.

2. miniature hydrocone type spray gun according to claim 1, it is characterized in that: the inlet end of described admission line is connected with gas-liquid separator, the sidepiece of described gas-liquid separator is provided with radial air inlet mouth, the liquid feeding end of described input duct passes axially through described gas-liquid separator and is connected with shaft orientation liquid feeding mouth, shaft orientation liquid feeding mouth inwall is connected with input duct outer wall thread, and shaft orientation liquid feeding mouth outer wall is connected with gas-liquid separator inner thread.

3. miniature hydrocone type spray gun according to claim 1, is characterized in that: in the junction of described elbow blender and admission line, the junction of elbow blender and shower nozzle is also connected to adjusting nut.